Pre-organized wire fastening device, electric plug connector adopting structure and female seat thereof

A pre-wired management fastening device, including a tubular part composed of an integrally formed upper tubular party and a lower tubular part. An included angle is formed between the upper tubular and the lower tubular. Inside the tubular part has a channel. The front end of the tubular part has a cable clamping mechanism. The rear end of the tubular party is locked on the inlet of the electric plug connector or electric plug slot. It is convenient for the construction of on-site personnel, which makes the wiring of the cable more beautiful and reduces the difficulty of construction.

BACKGROUND OF THE INVENTION

Field of the Invention

The invention relates to a pre-wired management fastening device, which has a 360-degree four orientations and can be detachably connected to an electric plug connector or an electric plug slot.

Brief Discussion of the Related Art

The electrical plug connector or the terminatable electrical plug connector slot is a signal converter, as shown inFIGS. 1 and 2, which includes a connector shell1with an opening at the upper end and an upper fastener2hinged at the opening. The connector shell1is sequentially inserted and provided with a direct-pressure contacts module3, a PCB circuit board4, contact teeth5, a terminal block6, a wire cover7and a cable management base8. The cable management base8is provided with an external screw thread and a through tube for cable routing, and a wire clamping mechanism9is at the upper end of the cable management base8. The wire clamping mechanism9is fixed on the wire management base8with a fastening nut10. In the process of engineering construction, sometimes it is necessary to change the routing direction of the cable for the convenience of wiring. At this time, the external plug of the electrical plug connector or the electrical plug connector slot is subject to a greater pulling force. Uneven force will affect the effectiveness of data transmission and increase the difficulty of construction.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned shortcomings, the object of the present invention is to provide a pre-wired management fastening device, which can change the routing position of the cable, make the cable easier to route, reduce the construction difficulty, and then ensure the effectiveness of data transmission.

In order to achieve the above object, the technical solution adopted by the present invention is: a pre-wired management fastening device, which is installed on a wiring port of an electric plug connector or an electric plug connector slot, and includes a tubular part. The tubular part consists of an integrally formed upper tubular part and a lower tubular part, one end of the upper tubular part is connected to one end of the lower tubular part, and an angle is formed between the upper tubular part and the lower tubular part, and the angle of the included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees, so that it is convenient that the cable can be pre-arranged at any angle. The tubular part is provided with a channel for cable routing, which is consistent with the direction of the tubular part.

The front end of the tubular part is fixed on the tubular part by tightening the nut, and the rear end of the tubular part is locked at the incoming line entrance of the electric plug connector or electrical plug connector slot.

The invention assists the cable routing through the tubular part, can buffer the uneven stress caused by the external changes of the cable, improve the connection firmness of the cable in the wire-bonding cover, and thus enhance the stability of its data transmission. At the same time, it is also convenient for the construction of on-site personnel, which makes the wiring of the cable more beautiful and reduces the difficulty of construction.

Further, the tubular part is composed of a first shell and a second shell that are detachably connected. The first shell and the second shell are pivotally connected at one end, and the other end is formed by fitting or snapping together Channel for cable routing. The tubular parts can be detached and connected, which is convenient for on-site personnel to wire cables in the tubular parts and improve the convenience of on-site construction.

Further, the insides of the rear end of the first shell and the second shell are provided with semicircular screw thread mechanisms. When the first shell and the second shell are assembled, the two semicircular screw mechanisms form an open circle screw threaded mechanism. The above-mentioned open circular screw thread mechanism is an internal screw thread distributed at intervals, which can be screwed onto the line pipe on the cable management base to realize the installation and positioning of the tubular part. At the same time, the above-mentioned screw thread connection also facilitates the disassembly and installation of the tubular part and improves the convenience of installation of the tubular part.

Further, the wire clamping mechanism is an injection molded part with surface electroplating treatment. Through the surface electroplating treatment, the toughness of the injection molded part is preserved, the electrical conductivity is increased, and the signal crosstalk phenomenon is better handled. The above-mentioned wire clamping mechanism includes a ring-shaped base, at least one side of the ring-shaped base is provided with 2 to 6 wire clamping support columns, and the outer side of the head of the cable clamping supporting columns is provided with barbs. The columns and barbs shift gradually toward the middle during the tightening process by tightening a fastening nut. The inner side of the tail cable inlet of the tightening nut is provided with a contraction slope. When it is tightened, the contraction slope squeezes the wire clamping support columns and makes the internal connection in a fixed state after installation, which is not pulled by the rear end cable to change the state ensures stable signal transmission. The above-mentioned cable clamping supporting columns are evenly distributed on the annular base.

Further, the front end of the tubular part is provided with an external thread adapted to the internal thread of the fastening nut, and the tubular part located at the location of the external screw thread on the tubular part is provided with a through-groove for embedding the cable clamping support column.

Preferably, the angle between the upper tubular part and the lower tubular part is 90 degrees or 135 degrees, and the above two angles are used most frequently.

Preferably, the pivot connection between the first shell and the second shell includes a buckle groove provided on the second shell, and a pair of buckle steps are provided in the buckle groove. A clamping column that can be installed in the step of buckling is provided on the first shell. In addition to the traditional cylindrical structure, the clamping shape can also be an irregular ellipse. When the irregular ellipse shape is adopted, it is not easy to fall off when twisted in the buckling step, and the stability is good.

A 90-degree terminatable electrical plug connector slot including a connector shell, the upper end of the connector shell is an opening, and an upper fastener is hinged at the opening. The insert is provided with a direct pressure ferrule, a PCB circuit board, a contact teeth, a terminal base, a wire cover and a wire management base, the upper fastener is buckled on the wire cover. The conduit of the cable management base is provided with the above-mentioned pre-wired management fastening device.

A 180-degree terminatable electrical plug connector slot, comprising a connector shell, an upper end of the connector shell is hinged with an upper fastener, and a lower end of the connector shell is hinged with a lower fastener. The connector shell is sequentially inserted and provided with a direct pressure ferrule, a PCB circuit board, a contact teeth, a terminal block, and a wire cover. A raised part, which is the rear end of the tubular part, is used to fasten the upper fastener and the lower fastener. The front end of the tubular part fix the cable clamping mechanism on the tubular part by fastening the nut. The tubular part is composed of an integrally formed upper tubular part and a lower tubular part. One end of the upper tubular part is connected to one end of the lower tubular part, and the upper tubular part and the lower tubular part form an angle. The angle of the included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees.

An electric plug connector, including a connector shell, the cable entry opening at the rear of the connector shell is provided with the above-mentioned pre-wired management fastening device.

The invention provides two different types of plug connector bases, both of which adopt pre-wired management fastening device to ensure the convenience and stability of plug connector slot cable installation, and it is convenient and beautiful for wiring. It also can solve the problems affecting data transmission stability in engineering construction and reduce construction difficulty.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The following is a detailed description of the preferred embodiments of the invention in combination with the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, so as to make a clearer and clear definition of the protection scope of the invention.

Embodiment

As shown inFIG. 3, a 90 degree wiring plug connector slot in the embodiment includes a connector shell1, the upper end of which is an opening, and the opening is hinged with an upper fastener2. The connector shell1is successively inserted with a direct compression type plug core3, a PCB circuit board4, cable cutter5, a terminal block6, a wire cover7and a wire management base8, and the upper fastener2is buckled in the cable cover7. The wire management base8is provided with a conduit for cable routing, and the outer side of the conduit is provided with an external thread. A pre-wired management fastening device is arranged on the conduit, which can change the direction of cable routing and facilitate on-site construction.

The pre-wired management fastening device includes a tubular part. The tubular part consists of an integrally formed upper tubular part and a lower tubular part, one end of the upper tubular part is connected to one end of the lower tubular part, and an angle is formed between the upper tubular part and the lower tubular part, and the angle of the included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees, so that it is convenient that the cable can be pre-arranged at any angle. The tubular part is provided with a channel for cable routing, which is consistent with the direction of the tubular part.

The front end of the tubular part is fixed to the tubular part by fastening nut10, and the rear end of the tubular part is locked to the inlet of the plug connector slot. FromFIG. 4(a\b), it is known that the tubular part consists of a detachable first shell11and a second shell12. The first shell11and the second shell12are pivotally connected at one end, and the other end is formed by fitting or snapping together Channel for cable routing. As shown inFIG. 12, the pivot connection in this Embodiment includes a buckle groove12aon the second shell12, which has a pair of buckle steps within12a. A clamping column11athat can be installed in the step of buckling is provided on the first shell11. In addition to the traditional cylindrical structure, the clamping11ashape can also be an irregular ellipse. When the irregular ellipse shape is adopted, it is not easy to fall off when twisted in the buckling step, and the stability is good.

The tubular parts can be detached and connected, which is convenient for on-site personnel to wire cables in the tubular parts and improve the convenience of on-site construction. The angle between the upper tubular part and the lower tubular part is 90 degrees (FIG. 4(a)) and 135 degrees (FIG. 4(b)).

As shown inFIG. 5, the insides of the rear end of the first shell11and the second shell12are provided with semicircular screw thread mechanisms16. When the first shell11and the second shell12are assembled, the two semicircular screw mechanisms16form an open circle screw threaded mechanism. The above-mentioned open circular screw thread mechanism is an internal screw thread distributed at intervals, which can be screwed onto the line pipe on the cable management base8to realize the installation and positioning of the tubular part. At the same time, the above-mentioned screw thread connection also facilitates the disassembly and installation of the tubular part and improves the convenience of installation of the tubular part.5. The front end of the tubular part is provided with an external screw thread17adapted to the internal screw thread of the fastening nut, located at the location of the external screw thread17on the tubular part is provided with a through-groove for embedding the cable clamping support column.

With reference toFIG. 6(a\b), the wire clamping mechanism9is an injection molded part with surface electroplating treatment. Through the surface electroplating treatment, the toughness of the injection molded part is preserved, the electrical conductivity is increased, and the signal crosstalk phenomenon is better handled. The above-mentioned wire clamping mechanism9includes a ring-shaped base91, at least one side of the ring-shaped base91is provided with 2 to 6 wire clamping support columns92, and the outer side of the head of the cable clamping supporting columns92is provided with barbs93. The columns and barbs93shift gradually toward the middle during the tightening process by tightening a fastening nut10. As shown inFIG. 11, the inner side of the tail cable inlet of the tightening nut10is provided with a contraction slope10a. When it is tightened, the contraction slope10asqueezes the wire clamping support columns92and makes the internal connection in a fixed state after installation, which is not pulled by the rear end cable to change the state ensures stable signal transmission. The above-mentioned cable clamping supporting columns92are evenly distributed on the annular base. During the tightening process of the tightening nut10, the cable clamping supporting columns92and the barbs93close to the middle to achieve the function of clamping the cable, to ensure that the cable and electricity will not be in poor contact with electrical plug connector slot and the signal transmission will not be unstable caused by the construction during the operation of the example.

The invention assists the cable routing through the tubular part, can buffer the uneven stress caused by the external changes of the cable, improve the connection firmness of the cable in the wire-bonding cover, and thus enhance the stability of its data transmission. At the same time, it is also convenient for the construction of on-site personnel, which makes the wiring of the cable more beautiful and reduces the difficulty of construction.

As shown inFIG. 7, a 180-degree terminatable electrical plug connector slot, comprising a connector shell1, an upper end of the connector shell1is hinged with an upper fastener2, and a lower end of the connector shell1is hinged with a lower fastener13. The connector shell1is successively inserted with a direct compression type plug core3, a PCB circuit board4, cable cutter5, a terminal block6, a wire cover7. The above structure belongs to the existing product structure. This embodiment has been improved on the basis of the original, and a pre-wired management fastening device is added to the tail portion. As in Embodiment 1, pre-wired management fastening device in this embodiment includes a tubular part. The front end of the tubular part fix the cable clamping mechanism on the tubular part by fastening the nut10(The nut is the same as in Embodiment 1). The tubular part is composed of a detachably connected first shell11and a second shell12, the first shell11and the second shell12one end is pivotally connected, and the other end is attached or buckled to form a channel for cable routing. The tubular part in this embodiment is the same as in Embodiment 1 and the tubular part consists of an integrally formed upper tubular part. A lower tubular part, one end of the upper tubular part is connected to one end of the lower tubular part, and an angle is formed between the upper tubular part and the lower tubular part, and the angle of the included angle is greater than or equal to 90 degrees and less than or equal to 180 degrees.

The pre-wired management fastening device in this embodiment is different from the pre-wired management fastening device in embodiment 1 is:

When the upper fastener2and the lower fastener13are buckled to lock the protrusion18, thus fixing the tubular part to the f the electric plug connector slot.

An electric plug connector, including a connector shell1, the upper end of the connector shell1is an opening, and an upper fastener2is hinged at the opening. The upper fastener2comprise a pair of fastening hooks2c, and the rear of the connector shell1has two fastening points1ccorresponding to the fastening hooks2c. In the Embodiment, after the cable is pressed in, fasten the connector by fastening the hook2C and the clamping point1C, which is more convenient for the installation of the rear-end pre-wire management device. The outer side of the connector shell1is integrally molded with an arc plate A1A with a thread, The outer side of the connector shell2is integrally molded with an arc plate B2awith a thread. When the arc plate Ala and the arc plate B2aare engaged, a cylindrical threaded port is formed. The thread opening is provided with a pre-wired management fastening device, and the pre-wired management fastening device is consistent with the pre-wire management device in Embodiment 1. In this embodiment, the arc plate A1ais provided with a locking port A1bon the side close to the connector shell1, and the arc plate B2ais provided with a locking port B2bon the side close to the upper fastener2. When the pre-wired management fastening device in Embodiment 1 is used to install on the threaded port, the two semicircular threaded mechanisms16can be embedded into the corresponding locking ports B2band A1b.

When several electric plug connectors with pre-wired management fastening device and electric plug connector slots are installed in combination, the electric plug connector and electric plug connector slots shown inFIG. 13are both 45 degrees. The electric plug connector and electric plug connector slots inFIG. 14both use a 90-degree pre-wired management fastening device. As shown inFIG. 15, 45 degree pre-wired management fastening device is adopted for electric plug connector, and 180 degree pre-wired management fastening device is used for electric plug connector slot. It can be seen from the above combination diagram that the overall layout is beautiful and convenient for field wiring.

The invention assists the cable routing through the tubular part, can buffer the uneven stress caused by the external changes of the cable, improve the connection firmness of the cable in the wire-bonding cover, and thus enhance the stability of its data transmission. At the same time, it is also convenient for the construction of on-site personnel, which makes the wiring of the cable more beautiful and reduces the difficulty of construction.

The above implementation mode is only to illustrate the technical conception and characteristics of the invention, and its purpose is to let people familiar with the technology understand the content of the invention and implement it, and cannot limit the protection scope of the invention. All equivalent changes or modifications made according to the spiritual essence of the invention shall be covered in the protection scope of the invention.