SUPPORT MEMBER AND PIPE MEMBER CONNECTING STRUCTURE

The invention discloses a support member, comprising an annular body and a support projection disposed on an end surface and/or an inner wall of the annular body, wherein the support projection extends from the end surface of the annular body in an axial direction of the annular body and is configured to extend into an interior of a pipe member to support the pipe member. The pipe member is supported so that the pipe member is prevented from deformation under the action of a fastener, and effective and reliable abutting of the adjacent pipe members located on two sides of the support member is ensured, thereby improving the sealing performance and waterproofing performance at the abutment of the adjacent pipe members to enable a line pipe system formed by the pipe member to be more safe and reliable.

TECHNICAL FIELD

The present invention relates to the technical field of pipe member connection, in particular, to a support member and a pipe member connecting structure.

BACKGROUND

In recent years, due to the need for national economic development, large-scale engineering construction projects are quite common, and various large-scale projects such as subway construction, new airport construction as well as airport reconstruction and expansion, convention and exhibition centers, museums and large intelligent buildings emerge one after another. In these construction projects, the strong and weak power systems are complex, so that a large number of power wiring operations are required, demanding a great quantity of line pipes. A longer pipe is formed by splicing a plurality of line pipes in a line pipe arrangement course. In the prior art, the connection between two adjacent sections of line pipes is achieved primarily by means of a fastener or a clamp, which results in poor sealing performance and incapability of effective waterproofing. At the same time, the fastener or clamp clasps the line pipes at the abutment of the two adjacent sections of line pipes, thereby easily deforming the line pipes to result in an ineffective abutment of the two adjacent sections of line pipes.

For example, a Chinese utility model, with a Publication Number CN208651878U and entitled “a pipe member connecting structure and a pipeline”, discloses a pipe member connecting structure including: a first pipe member including a first connection end; a second pipe member including a second connection end that is provided with a first notch including a first side surface and a second side surface opposite to the first side surface, wherein the first connection end is inserted into the second connection end; and a first fastener disposed at the second connection end. The pipeline includes the above pipe member connecting structure. When the above pipe member connecting structure is installed, the first pipe member and the second pipe member are fixedly connected by inserting the first connection end of the first pipe member into the second connection end of the second pipe member to enable mutual communication between the first pipe member and the second pipe member, and then tightening the first side surface and the second side surface of the first notch by means of the first fastener. Deformation occurs at the abutment of the first pipe member and the second pipe member in the tightening process of the first fastener to produce a gap, resulting in ineffective abutment between the pipe members, and poor sealing performance and waterproofing performance.

Therefore, an urgent problem to be solved in the art is to provide a pipe member connecting structure that supports the pipe member and prevents the pipe member from deformation.

SUMMARY

The present invention aims to solve the problems in the prior art of deformation of the pipe member due to the fastening action of the fastener in the pipe member abutting process.

In order to solve the above problems, the present invention discloses a support member comprising an annular body and a support projection disposed on an end surface and/or an inner wall of the annular body, wherein the support projection extends from the end surface of the annular body in an axial direction of the annular body and is configured to extend into an interior of a pipe member to support the pipe member.

Due to use of the above technical solution, the pipe member is supported and sealed by using the support member formed by the annular body and the support projection after the pipe member being abutted, so that the pipe member is prevented from deformation under the action of a fastener, and effective and reliable abutting of the adjacent pipe members located on two sides of the support member is ensured, thereby improving the sealing performance and waterproofing performance at the abutment of the adjacent pipe members to enable a line pipe system formed by the pipe member to be more safe and reliable.

According to another specific embodiment of the present invention, an end part and/or an outer wall of the annular body are/is provided with a flange that extends in the axial direction of the annular body and is configured to be nested to an outer wall of an end part of the pipe member.

According to another specific embodiment of the present invention, the support projection is distributed uniformly in a circumferential direction of the annular body.

According to another specific embodiment of the present invention, a cross section of the annular body is in any one of a circular annulus, an elliptical annulus, a polygonal annulus or an irregular annulus formed by curves, formed by a curve and a straight line, or formed by straight lines.

According to another specific embodiment of the present invention, the support projection is in a sheet-like structure provided on the inner wall of the annular body, and two sides of the support projection extend from the end surface of the annular body in the axial direction of the annular body.

According to another specific embodiment of the present invention, a surface of the support projection facing an inner side of the annular body is a convex surface, and a side surface of the support projection away from the annular body is convex towards a direction away from the annular body in the axial direction of the annular body.

According to another specific embodiment of the present invention, the annular body and the support projection are integrally formed from an aluminum alloy material, and the annular body and/or the support projection have/has electrical conductivity.

The present invention also discloses a pipe member connecting structure, comprising a hoop and the support member according to any one of the above embodiments. The hoop is configured to clasp the pipe members located on the two sides of the support member at the abutment of the pipe members. The support member is located at the inside of the hoop and is abutted with the pipe members on the two sides of the support member. A sealing ring is disposed between the hoop and the support member.

According to another specific embodiment of the present invention, the hoop comprises at least two hoop sections, a connecting part is disposed at an end part of each hoop section, and the hoop sections are connected in sequence by the connecting part to form the complete hoop.

According to another specific embodiment of the present invention, an anti-dumbing part is disposed on the connecting part of each hoop section. The connecting part at one end of the hoop section is provided with a recess, and the connecting part at the other end of the hoop section is provided with a protrusion. The protrusion on the hoop section is buckled with the recess on the adjacent hoop section; or connecting parts at the two ends of the hoop section are both provided with recesses, and the connecting parts at the two ends of the adjacent hoop section are both provided with protrusions. The protrusions on the hoop section are buckled with the recesses on the adjacent hoop section.

DETAILED DESCRIPTION

Implementation modes of the present invention are described below with specific embodiments, and those skilled in the art can easily learn other advantages and effects of the present invention according to the content disclosed in the specification. Although the description of the present invention will be introduced in conjunction with preferred embodiments, this does not indicate that the features of the present invention are only limited to the embodiments. On the contrary, the description of the present invention in conjunction with the implementation modes is intended to cover other alternatives or modifications that may be derived based on the claims of the present invention. In order to thoroughly understand the present invention, the following description will contain many specific details. The present invention may also be implemented without these details. In addition, some specific details will be omitted from the description in order to avoid confusing or obscuring the key points of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

In the description of the embodiments, it should be noted that, the terms “upper”, “lower”, “inner”, “bottom” and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which a product of the present invention is conventionally placed when in use, are merely for facilitating the description of the present invention and simplifying the description, rather than indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore cannot be construed as limiting the present invention.

The terms “first,” “second,” and the like are used only to distinguish descriptions and are not to be understood to indicate or imply relative importance.

In the description of the embodiments, it should also be noted that the terms “provide”, “arrange”, “connect” and “link” are to be understood broadly unless definitely specified and limited otherwise, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be a communication between two elements. Those of ordinary skill in the art may understand the specific meanings of the above terms in the embodiments according to specific situations.

As shown inFIGS.1to3, the present invention discloses a support member1, comprising an annular body10and a support projection11disposed on an end surface100and/or an inner wall101of the annular body10. The support projection11extends from the end surface100of the annular body10in an axial direction of the annular body10(as shown in a direction A inFIGS.1and3) and is configured to extend into an interior of a pipe member2to support the pipe member2.

That is, the support member1is mainly formed by the annular body10and the support projection11. The support projection11extends in the axial direction of the annular body10. The support projection11may be disposed on the end surface100of the annular body10, or may be disposed on the inner wall101of the annular body10, or may be partially disposed on the end surface100of the annular body10and partially disposed on the inner wall101of the annular body10as long as the support projection11extends from the end surface100of the annular body10and extends into the interior of the pipe member2to support the pipe member2.

Specifically, referring toFIG.1in combination withFIG.3, in the embodiment, the support projection11may extend from end surfaces100at two sides of the annular body10. In the abutting process of pipe members2, the pipe members2are located on the two sides of the support member1and the support member1nears end parts of the pipe members2. The extended support projection11may insert into interiors of the pipe members2, and an upper side surface112of the support projection11may be attached to an inner wall of the pipe members2to support and seal the pipe members2, thereby preventing the pipe members2from deformation by the action of fasteners and ensuring effective and reliable abutting of the adjacent pipe members2located on the two sides of the support member1.

Due to use of the above technical solution, the pipe members2are supported and sealed by using the support member1formed by the annular body10and the support projection11after the pipe members2are abutted, preventing the pipe members2from deformation under the action of the fasteners, ensuring that the adjacent pipe members2located on the two sides of the support member1can be abutted efficiently and reliably, thereby improving the sealing performance and waterproofing performance at the abutment of the adjacent pipe members2to enable a line pipe system connected by the pipe members2to be more safe and reliable.

It should be noted that the specific shape of the annular body10is not limited in the present invention and may be specifically configured according to the shape of the pipe member2as long as the support member1can be effectively abutted with the pipe member2to support the pipe member2. Specifically, a cross section of the annular body10in the present invention is in any one of a circular annulus, an elliptical annulus, a polygonal annulus or an irregular annulus formed by curves, formed by a curve and a straight line, or formed by straight lines.

Referring toFIGS.1-3, in the embodiment, an end part and/or an outer wall102of the annular body10are/is provided with a flange12. The flange12extends in the axial direction of the annular body10and is configured to be nested to an outer wall of an end part of the pipe member2. That is, the annular body10is further provided with the flange12, and the flange12extends in the axial direction of the annular body10and may be disposed on the end part of the annular body10, i.e., a root part of the flange12is disposed on the end surface100of the annular body10and extends from the end surface100of the annular body10towards a direction away from the end surface100. At this point, an outer side surface of the flange12may be smoothly abutted with the outer wall102of the annular body10to form an entire side surface. At the same time, the flange12may also be disposed on the outer wall102of the annular body10, that is, the root part of the flange12is attached to the outer wall102of the annular body10.

Specifically, referring toFIG.3in combination withFIG.1, in the embodiment, the flange12forms a complete circumference around a circumferential direction of the annular body10(as shown in a direction T inFIGS.1and2). The flange12may be nested to the end part of the pipe member2and is attached to the outer wall of the pipe member2when abutting with the end part of the pipe member2to seal the junction of the pipe members2from the outside, which achieves a double seal in combination with sealing of the junction of the pipe members2by the support projection11, thereby improving the sealing effect at the junction of the pipe members2. At the same time, it is also possible to add a sealing material (such as unsintered tape, rubber sealing strip or sealant) between the inner wall of the flange12and the outer wall of the pipe member2, between the end surface of the annular body10and the end part of the pipe member2, and between the upper side surface112of the support projection11and the inner wall of the pipe member2, such that the support member1and the pipe member2may be better sealed.

In other embodiments, the flange12may be disposed intermittently in the circumferential direction of the annular body10, which is not limited in the present invention, and it may be disposed appropriately according to actual needs as long as it is ensured that the flange12of the support member1is nested to the end part of the pipe member2.

It should be noted that the specific number and distribution of the support projection11are not limited in the present invention and may be specifically configured according to the shape and size of the annular body10as long as the support projection11on the support member1can be effectively abutted with the pipe member2to support the pipe member2.

Specifically, referring toFIGS.1-3, in the embodiment, support projections11are distributed uniformly in the circumferential direction of the annular body10. That is, a plurality of the support projections11are distributed uniformly on the annular body10along the circumferential direction of the annular body10. The plurality of the support projections11distributed uniformly extend into interiors of the pipe members2when abutting with end parts of the pipe members2to be attached to inner walls of the pipe members2so as to perform multi-point support on the pipe members2, such that the pipe members2may be subjected to more uniform force, thereby preventing the pipe members2from deformation by fasteners, and ensuring effective and reliable abutting of the adjacent pipe members2located on the two sides of the support member1.

More specifically, referring toFIGS.1-3, in the embodiment, two support projections11are symmetrically disposed on the annular body10. The support projections11are in a sheet-like structure provided on inner walls101of the annular body10, and two sides of each support projection11extend from the end surface100of the annular body10in the axial direction of the annular body10.

That is, the two support projections11are symmetrically disposed on the inner walls101of upper and lower sides of the annular body10, and upper side surfaces112of the support projections11are in fixed and attached connection with the inner walls101of the annular body10. The support projections11are each in a sheet-like structure, and the two sides of each support projection11symmetrically extend from the two end surfaces100of the annular body10in the axial direction of the annular body10. The support projections11extend into the interiors of pipe members2when abutting with the pipe members2. The end surfaces100of the annular body10are abutted with the end surfaces of the pipe members2, and the upper side surfaces112of the support projections11in the sheet-like structure may be attached to the inner walls of the pipe members2, with a large abutting area, so that the pipe members2may be effectively and reliably supported, preventing the pipe members2from deformation.

Referring toFIG.1in combination withFIG.3, in the embodiment, a surface of the support projection11facing an inner side of the annular body10is a convex surface110. The cross section of the support projection11may be gradually thickened from an end remote from the annular body10to the end surface100of the annular body10by setting the surface of the support projection11facing the inner side of the annular body10as the convex surface110, so as to improve the strength of the support projection11. Meanwhile, the convex surface110may further disperse the force applied to the support projection11by the inner wall of the pipe member2, ensuring that the convex surface110may stably and effectively support the pipe member2from the inside.

Preferably, the convex surface110is an arc-shaped convex surface that is smooth and does not scratch a line passing through the pipe member2and the support member1. In other embodiments, the convex surface may also be a trapezoidal convex surface, and may be other types of convex surfaces, which is not limited in the present invention, and may be appropriately disposed according to actual needs as long as the strength of the support projection may be ensured.

In addition, referring toFIG.1in combination withFIG.3, in the embodiment, a side surface111of the support projection11away from the annular body10is convex towards a direction away from the annular body10in the axial direction of the annular body10, so as to form a convex surface. The side surface111of the support projection11away from the annular body10is provided with the convex surface towards the direction away from the annular body10, so that when the support projection11abuts with the pipe member2, the foremost end of the convex surface is the first to contact the inner wall of the pipe member2. A contact surface between the support projection11and the inner wall of the pipe member2is increasingly wider as the support projection11continues to be inserted until the contact surface occupies the entire width of the support projection11, so that the convex surface has the effect of guiding the abutment between the support projection and the pipe member2to facilitate the insertion of the support projection11into the pipe member2, i.e., to facilitate the installation of the support member1.

Preferably, the side surface111of the support projection11away from the annular body10is an arc-shaped convex surface and the arc-shaped convex surface can guide the support projection11to be smoothly inserted into the pipe member2. In other embodiments, the side surface111of the support projection11away from the annular body10may be a trapezoidal convex surface, or may be other types of convex surfaces, which is not limited in the present invention, and may be appropriately disposed according to actual needs as long as the support projection11may be guided to be inserted into the pipe member2.

Further, in other embodiments, the number and specific shape of the support projection11may be specifically configured according to the shape and size of the annular body10. For example, the support projection11may be formed in a complete circumferential shape along the circumferential direction of the annular body10, which is not limited in the present invention as long as the support projection11on the support member1may be effectively abutted with the pipe member2to support the pipe member2.

In the embodiment, the annular body10and the support projection11are integrally formed from an aluminum alloy material, and the annular body10and/or the support projection11have/has electrical conductivity. That is, the annular body10and the support projection11are both made from an aluminum alloy material, and both are machined an entirety by integrally molding. Therefore, the annular body10and the support projection11both have electrical conductivity and can communicate the pipe member2on both sides of the support member1, so that an entire pipeline spliced by the pipe member2acts as a grounding line of a power system, and there is no need to separately dispose a grounding terminal and a grounding line in the pipeline, thereby simplifying the structure of the pipeline. It is also possible to conduct electricity only through the support projection11, and it is also possible to conduct electricity through the annular body10itself when support projections11at the two ends of the annular body10are connected as a whole, which is not limited in the present invention and may be appropriately selected and disposed according to actual needs.

As shown inFIGS.4-6, the present invention also discloses a pipe member connecting structure4, comprising a hoop3and the support member1according to any one of the above embodiments. The hoop3is configured to clasp pipe members2located on two sides of the support member1at the abutment of the pipe members2. The support member1is located at the inside of the hoop3and is abutted with the pipe members2on the two sides of the support member1. A sealing ring5is disposed between the hoop3and the support member1.

That is, the pipe member connecting structure4is mainly formed by the hoop3, the support member1and the sealing ring5, wherein the support member1is located at an innermost part, and the support projections11of the support member1may extend into the pipe members2located on the two sides of the support member1in the axial direction of the annular body10(as shown in a direction A inFIGS.4and5), and the support projections11are attached to the inner walls of the pipe members2to support the pipe members2from the inside. After abutting the support member1with the pipe members2on both sides is completed, the sealing ring5is nested at the abutment of the pipe members2, such that the sealing ring5completely covers flanges12and outer walls102of the support member1, thereby sealing the junction of the pipe members2. Afterwards, the hoop3is installed on the outside of the sealing ring5so that the hoop3completely covers the sealing ring5, and the pipe members2are effectively and reliably abutted and sealed by clasping the pipe members2located on the two sides of the support member1and pressing the sealing ring5via the hoop3. The pipe member connecting structure4can support the pipe members2from the inside by the support member1, preventing the hoop3from compressing and deforming the pipe members2. At the same time, effective abutment and reliable sealing at the junction of the pipe members2may be achieved by combining the hoop3with the support member1and the sealing ring5, thereby improving the waterproofing performance of the entire pipeline.

Referring toFIGS.4-6, in the embodiment, the hoop3comprises at least two hoop sections30, connecting parts300are disposed at end parts of the hoop sections30, and the hoop sections30are connected in sequence by the connecting parts300to form the complete hoop3. That is, the hoop3is formed by a plurality of hoop sections30in sequence. The number and specific structure of the hoop sections are not limited in the present invention, and may be appropriately selected according to the shape, structure and size of the pipe member2as long as the hoop may clasp the sealing ring and the junction of the pipe member2.

Specifically, referring toFIGS.4-6, in the embodiment, the hoop3is formed by connecting two hoop sections30. And two ends of each hoop section30are provided with connecting parts300by which the two hoop sections30are connected to each other to form the complete hoop3. In the embodiment, the connecting parts300of the hoop sections30are a lug structure. When the two hoop sections30are clamped to each other, the corresponding connecting parts300can be abutted, and then the abutted connecting parts300are locked by fasteners (e.g., bolts, screws, pins, rivets, etc.), such that the two hoop sections30form the complete hoop3encircling the sealing ring. At the same time, the strength with which the hoop3clasps the junction of the pipe members2may be adjusted by adjustment of the fasteners, thereby facilitating use.

In addition, in order to facilitate the abutment and buckling of the abutted connecting parts300of the adjacent hoop sections30, as shown inFIG.6, in the embodiment, the connecting part300at one end of each hoop section30is provided with a recess302and the connecting part300at the other end of each hoop section30is provided with a protrusion301. The protrusion301on each hoop section30is buckled with the recess302on the adjacent hoop section30. An anti-dumbing part31is disposed on the connecting part300of each hoop section30. That is, the connecting part300provided with the recess302on the hoop section30may be only abutted and buckled with the connecting part300provided with the protrusion301on the adjacent hoop section30by providing the protrusion301and recess302on the connecting parts300at the two ends of each hoop section30respectively. Meanwhile, in combination with the anti-dumbing part31disposed on each connecting part300, the hoop sections30are prevented from being connected wrongly, and the hoop sections30can be sequentially and orderly connected.

In another embodiment of the present invention, connecting parts at the two ends of the hoop section are both provided with recesses, and the connecting parts at the two ends of the adjacent hoop section are both provided with protrusions. The protrusions on the hoop section are buckled with the recesses on the adjacent hoop section. That is, the recesses are provided at the connecting parts at the two ends of the same hoop section, and the protrusions are provided at the two ends of the adjacent hoop section. The hoop section provided with the protrusions and the hoop section provided with the recesses are sequentially and orderly connected along the circumferential direction of the pipe member to form a complete hoop. In other embodiments, the form and specific number of the protrusion and the recess may be appropriately disposed and selected according to actual needs, which are not limited in the present invention as long as the adjacent hoop sections may be effectively buckled and connected.

Referring toFIG.6in combination withFIG.4, in the embodiment, the anti-dumbing part31disposed on the connecting part300is a convex stripe. Specifically, two vertical convex stripes are disposed on an outer side of the connecting part300with the protrusion301and one vertical convex stripe is disposed on the outer side of the connecting part300with the recess302. By identifying the number of the convex stripe, it is possible to easily identify the ends, at which the protrusion301and the recess302on the connecting part300are respectively located, of the hoop section30, so as to facilitate installation and use of the hoop section30. In other embodiments, the anti-dumbing part may also be other structures, such as different numbers of bumps, different shapes of patterns and other forms, which are not limited in the present invention, and may be appropriately disposed according to actual needs.

In summary, due to use of the technical solution provided by the present application, the pipe member is supported and sealed by using the support member formed by the annular body and the support projection after the pipe member being abutted, so that the pipe member is prevented from deformation under the action of the fasteners, and effective and reliable abutting of the adjacent pipe members located on the two sides of the support member is ensured, thereby improving the sealing performance and waterproofing performance at the abutment of the adjacent pipe members to enable a line pipe system formed by the pipe member to be more safe and reliable.

It should also be noted that the specific structure, type and use of each pipe member in the above embodiments are not limited in the present invention, and may be appropriately selected according to actual needs as long as the pipe member may be abutted with the support member and the pipe member connecting structure formed by the support member, the hoop and the sealing ring. Preferably, referring toFIGS.7-9, the pipe member2is a line pipe6applied to pipeline arrangement of a power system.

Specifically, referring toFIGS.7-9, a cross section of the line pipe6includes a closed profile600formed by a first side edge60, a second side edge61, a third side edge62and a fourth side edge63which are smoothly connected in sequence, wherein the first side edge60and the third side edge62are oppositely disposed in a first direction (as shown in a Z direction inFIGS.7-9), and the second side edge61and the fourth side edge63are oppositely disposed in a second direction (as shown in an X direction inFIGS.7-9). The first direction and the second direction are perpendicular to each other. The second side edge61and the fourth side edge63are curves that protrude towards the outside of the profile600.

That is, the profile600of the cross section of the line pipe6is mainly composed of the first side edge60, the second side edge61, the third side edge62and the fourth side edge63which may be connected by nodes or by connecting sections. Specifically, in the embodiment, the profile600is a closed polygon formed by connecting the side edges smoothly in sequence. That is, the side edges are connected in sequence by smooth connecting segments. “Smooth” herein refers to smoothness and evenness, which avoids the formation of folded corners between the side edges, and well disperses a resultant force formed by gravity and stress of concrete, thereby improving the strength of the line pipe6. At the same time, the side edges of the profile600are also smooth to facilitate the distribution of forces.

Specifically, referring toFIGS.7-9, in the embodiment, the first side edge60and the third side edge62are oppositely disposed in the first direction, and the second side edge61and the fourth side edge63are oppositely disposed in the second direction. The first direction is a thickness direction of the line pipe6, i.e., a height direction of the line pipe6. The second direction is a width direction of the line pipe6. The first direction and the second direction are perpendicular to each other. That is, the first side edge60and the third side edge62are an upper side edge and a lower side edge of the line pipe6respectively, and the second side edge61and the fourth side edge63are a right-side edge and a left side edge of the line pipe6respectively.

In other embodiments, the first direction and the second direction may be set according to the specific structure of the line pipe, which are not limited in present invention, and may be appropriately selected according to actual needs. For example, the first direction and the second direction may be set at a certain angle as long as the side edges of the line pipe are disposed oppositely and are distinguished conveniently.

Referring toFIGS.7-9, in the embodiment, the second side edge61and the fourth side edge63of the line pipe6are curves that protrude towards outside of the profile600. That is, the second side edge61and the fourth side edge63of the line pipe6protrude towards the outside in the second direction, such that the second side edge61and the fourth side edge63form a curve shape. The second side edge61and the fourth side edge63are smoothly connected to the first side edge60and the third side edge62, respectively, in sequence.

When the first side edge60of the line pipe6is subjected to the resultant force formed by the gravity and stress of the concrete, the first side edge60can transmit the borne force to the second side edge61and the fourth side edge63in the curve shape through the smooth connecting segments, and the force applied to the first side edge60by the concrete may be well dispersed. In addition, since the second side edge61and the fourth side edge63are in the curve shape separately, the second side edge61and the fourth side edge63are also subjected to an extrusion force applied by the concrete on the two sides of the line pipe6while they are bearing the force transmitted from the first side edge60. At the same time, since the second side edge61and the fourth side edge63protrude towards the outside of the profile600, the extrusion force is towards the inside of the profile600. The extrusion force can support the second side edge61and the fourth side edge63in a radial direction of the second side61and the fourth side63, so as to resist the force transmitted from the first side edge60, such that the whole profile600of the line pipe6remain stable to avoid deformation, and eliminate the potential risk of a possible gap between the line pipes6, thereby effectively achieving the effects of waterproofing and preventing the leakage of concrete, improving the waterproof performance and strength of the line pipes6, and ensuring the safe and reliable pipeline system in which the all line pipes6are arranged.

Due to the use of the above technical solution, by smoothly connecting the side edges of the line pipe in sequence, and designing the second side edge61and the fourth side edge63to be separately in the curve shape that protrudes towards the outside of the profile, the resultant force applied by the concrete can not only be well dispersed and borne, and the strength and waterproofing performance of the line pipe are improved, such that the line pipe6is safer and more reliable. Moreover, designing the second side edge61and the fourth side edge63to be separately in the curve shape can make the pipeline better be attached to the second side edge61and the fourth side edge63, so that the space utilization inside the line pipe6is increased.

It should be noted that the specific shapes of the first side edge and the third side edge are not limited in the present invention and may be appropriately selected according to actual needs as long as the strength of the line pipe, the waterproofing performance and the space utilization inside the line pipe can be ensured.

Specifically, referring toFIGS.7-8, in the embodiment, the first side edge60and the third side edge62are straight lines. By setting the first side edge60and the third side edge62as straight lines not only makes the line pipe6structurally simpler and facilitates the production, transportation and installation while ensuring sufficient strength and waterproofing performance of the line pipe6. Moreover, it is possible to ensure that the line pipe6has a high space utilization inside the line pipe under a certain height requirement.

Referring toFIG.9, in another embodiment of the present invention, the first side edge60and the third side edge62are curves that protrude towards the outside of the profile600, and the curvature K1of the first side edge60and the curvature K3of the third side edge62are less than 0.002, i.e., the curvature K1at each point of the first side edge60and the curvature K3at each point of the third side edge62are less than 0.002. Designing the first side edge60and the third side edge62to be curves that protrude towards the outside of the profile600not only enables a smoother connection between the side edges of the line pipe6, better disperses and bears the force applied by the concrete and ensures that the line pipe6has sufficient strength and waterproofing performance, but also enlarges the space inside the line pipe6and improves the threading capacity and the space utilization inside the line pipe6. In addition, limiting the curvature K1at each point of the first side edge60and the curvature K3at each point of the third side edge62to less than 0.002 can define the curving degrees of the first side edge60and the third side edge62, ensuring that the height of the line pipe6remains within an effective range of use.

It should be further noted that the specific shapes of the second side edge and the fourth side edge are not limited in the present invention and may be appropriately selected according to actual needs as long as the strength of the line pipe, the waterproofing performance and the internal space utilization of the line pipe can be ensured.

Specifically, in the present invention, the second side edge61and the fourth side edge63each include any one of or a combination of a circular arc, an elliptical arc, a parabolic segment, an involute segment, a spiral segment. In the embodiment, the second side edge61and the fourth side edge63have the same shape, such that the force of the line pipe6is distributed symmetrically. Preferably, the second side edge61and the fourth side edge63are elliptical arcs. In other embodiments, the second side edge and the fourth side edge may have other shapes, which may be not limited in the present invention.

Further, referring toFIG.9, in the embodiment, the curvature K2of the second side edge61and the curvature K4of the fourth side edge63are in the range of 0.010.05. That is, the curvature K2at each point of the second side edge61and the curvature K4at each point of the fourth side edge63are in the range of 0.010.05. When the curvature K2of the second side edge61and the curvature K4of the fourth side edge63are larger, the second side61and the fourth side edge63further protrude towards the outside of the profile600, such that the second side edge61and the fourth side edge63are more flattened in shape, and lines cannot be efficiently arranged on the two sides of the line pipe, reducing the space utilization inside the line pipe6. When the curvature K2at each point of the second side edge61and the curvature K4at each point of the fourth side edge63are smaller, the second side edge61and the fourth side edge63become more straight, and the transition between the second side edge61, the fourth side edge63and the first side edge60, the third side edge62is smoother, thereby failing to effectively disperse and bear the force applied by the concrete, and reducing the strength and waterproofing performance of the line pipe6. Therefore, preferably, the curvature K2of the second side edge61and the curvature K4of the fourth side edge63are in the range of 0.010.05. By defining the curving degrees of the second side edge61and the fourth side edge63, the line pipe6can effectively disperse the force applied by the concrete and can be prevented from deformation. Further, it is ensured that the line pipe6has higher strength and better waterproofing performance while ensuring higher space utilization inside the line pipe6.

In practical use, there are certain limitations on the thickness of concrete to be poured and on the size of a rebar frame structure. The thickness of the concrete is generally between 80 mm and 150 mm. Therefore, certain limitations on the size of the line pipe are required to ensure that the line pipe can be completely poured within the concrete and the rebar frame structure.

Specifically, referring toFIGS.8-9, in the embodiment, a distance L1between the first side edge60and the third side edge62is in the range of 25 mm˜45 mm, i.e., a maximum distance L1between the first side edge60and the third side edge62is in the range of 25 mm˜45 mm. A distance L2between the second side edge61and the fourth side edge63is in the range of 50 mm˜300 mm. That is, a maximum distance L2between the second side edge61and the fourth side edge63is in the range of 50 mm˜300 mm. It is possible to enable the pipe6to be poured completely within the concrete and the rebar frame structure by limiting the dimensions of the pipe6, thereby avoiding the line pipe6from being exposed from the concrete and the rebar frame structure.

In addition, in order to maintain the higher space utilization inside the line pipe, referring toFIGS.8-9, in the embodiment, a ratio of the distance between the first side edge60and the third side edge62to the distance between the second side edge61and the fourth side edge63is in the range of 0.1˜0.7. That is, the line pipe6is required to conform to a certain range of ratios in the height direction and in the width direction, and preferably, this range of ratios is from 0.1 to 0.7, that is, L1/L2is in the range of 0.1˜0.7. If the ratio of the height to the width of the line pipe6is small, it will make the length of the first side edge60and the third side edge62excessively long, so that the ability of bearing the force of the concrete may be reduced to produce deformation easily. If the ratio of the height to the width of the line pipe6is large, the second side edge61and the fourth side edge63of the line pipe6may be excessively long in length, and the height of the pipe6is increased, so that it cannot be ensured that the line pipe6can be completely poured in the concrete, and the space utilization inside the line pipe6is reduced. In the embodiment, the space utilization inside the line pipe6may be increased under the premise of ensuring the strength of the line pipe6by limiting that L1/L2is in the range of 0.1˜0.7.

Referring toFIGS.7-9, in the embodiment, the line pipe6is integrally formed from an aluminum alloy material. The sealing performance of the whole structure of the line pipe6is guaranteed, and the waterproof performance of the line pipe6is improved by integrally forming and processing the aluminum alloy material into the line pipe. Moreover, the aluminum alloy material may make the line pipe have a better corrosion resistance effect, and the service life of the line pipe is prolonged. Moreover, the aluminum alloy material is easy to shape and easy to process. At the same time, the aluminum alloy material is capable of conducting electricity, and can be used as a grounding line of the pipeline system, without disposing a grounding terminal and a grounding line separately in the pipeline system, thereby simplifying the structure of the pipeline system.

Although the present invention has been illustrated and described with reference to some preferred embodiments of the present invention, those of ordinary skill in the art should understand that the above content is a further detailed description of the present invention in conjunction with the specific embodiments, and it cannot be considered that the specific embodiments of the present invention are only limited thereto. Those skilled in the art may make various changes in forms and details, including several simple deductions or substitutions, without departing from the spirit and scope of the present invention.