WRAPPER CUTTER

A wrapper cutter, including a shell having an axially penetrating hollow structure, an elongated slit extending along an axial direction further provided on one side edge of the shell, a cutting knife fixedly mounted on an inner bottom wall of the elongated slit; and a vertical plate arranged on an outer wall of the shell. The vertical plate extends along a circumferential direction of the shell and at least partially covers the elongated slit.

TECHNICAL FIELD

The present disclosure relates to the technical field of cutters, and in particular, to a wrapper cutter.

BACKGROUND

When cutting rolled wrapping paper, scissors or utility knives are generally used. However, it is difficult to cut rolled wrapping paper in a straight line using scissors or utility knives, leading to the emergence of wrapper cutters on the market. However, the wrapper cutters available on the market are all deigned with a cylindrical simple structure and provide poor cutting results. They cannot ensure nice cutting of paper, and the cut edges are often uneven. Traditional wrapper cutters may cause the paper to deviate from a preset cutting trajectory during the cutting process, thereby affecting cutting accuracy.

SUMMARY

A wrapper cutter, including: a shell having an axially penetrating hollow structure; an elongated slit, extending from a first end of the shell along an axial direction thereof, and formed between a first side edge and a second side edge of the shell; a cutting knife, fixedly arranged within the elongated slit, wherein a blade of the cutting knife faces the first end of the shell, and the cutting knife is configured to cut a section of paper passing through the elongated slit from the first end of the shell; a vertical plate, arranged on an outer wall of the shell, extending along a circumferential direction of the shell, and at least partially covering the elongated slit to allow a gap formed between the vertical plate and the elongated slit for the section of paper to pass through. The vertical plate is capable of bending the section of paper passing through the elongated slit into an arc-shaped surface such that the section of paper reaches a maximum stiffness and tension before reaching the blade of the cutting knife.

DETAILED WAY

The present disclosure may be described in detail below with reference to the accompanying drawings and in conjunction with various embodiments. Each example is provided to explain but not limit the present disclosure. In fact, it may be clear to those of ordinary skill that modifications and variations may be made without departing from the scope or spirit of the present disclosure. For example, a feature shown or described as part of one embodiment may be used according to another embodiment to produce yet another embodiment. Therefore, it is intended that the present disclosure includes such modifications and variations within the scope of the appended claims and their equivalents.

In the description of the present disclosure, the terms “longitudinal”, “lateral”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom” and the like indicate the orientational or positional relationship based on the orientational or positional relationship illustrated in the drawings, which is only for the convenience of describing and does not require the present disclosure to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present disclosure. The terms “connected”, “connecting” and “arranged” used in the present disclosure should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate component; it may also be a wired electrical connection, a radio connection, or a wireless signal connection. For those of ordinary skill in the art, the specific meanings of the above terms may be understood according to the specific circumstances.

One or more examples of the present disclosure are illustrated in the attached drawings. Numbers and letter signs are used in the detailed description to refer to features in the drawings. Similar signs in the drawings and descriptions have been configured to refer to similar parts of the present disclosure. As used herein, the terms “first”, “second” and “third” are used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of individual components.

As shown inFIG.1toFIG.3andFIG.15, a wrapper cutter provided by the present disclosure includes a shell1having a penetrating hollow structure running axially thereof, an elongated slit8defined by the shell1, and a cutting knife4fixedly mounted within one end of the elongated slit8. The elongated slit8extends axially from a first end10of the shell1to a second end20and does not completely run through to the second end20. Two sides of the shell1defining the elongated slit8are a first side edge101and a second side edge102. The axial extension characteristics of the elongated slit8help guide a section of paper300to move along a predetermined path, reduce the deviation of the section of paper300, and position the section of paper300before cutting to ensure the accuracy of the cutting position. The partial pierced structure helps maintain the strength of the shell1and avoids structural weakness that may be caused by a complete pierced elongated slit. The section of paper300of the wrapping paper can be inserted into the elongated slit8and can run to the cutting knife4for cutting. The cutting knife4is installed inside the shell1. The shell1is defined with a bottom wall groove9, and the cutting knife4is fixedly embedded into the bottom wall groove9with a blade of the cutting knife4exposed outwardly. The blade of the cutting knife4is only exposed outward at an end portion of the elongated slit8, avoiding the risk of accidental contact with the blade if arranged at other positions of the elongated slit8, thereby improving the safety of use. The position of the cutting knife is ensured to be stable, which helps to improve the cutting accuracy.

The section of paper300can run smoothly to the cutting knife, reducing the obstruction of the section of paper300during the cutting process and improving the cutting efficiency. The cutting knife4is fixedly installed in the bottom wall groove9of the shell1, which is convenient for the maintenance and replacement of the cutting knife and reduces the maintenance cost. It also helps to enhance the stability of the overall structure and reduce the shaking that may occur during use, thereby improving the overall use experience and the durability of the device.

In some embodiments, a part of the shell which defines the bottom wall groove9can be separated from the shell1to form a detachable structure. The structure where the cutting knife4is located can be easily disassembled, which is easy for maintenance and replacement. The detachable design allows only worn or damaged parts to be replaced without replacing the entire device, thereby reducing maintenance cost and time. In addition, the flexibility of the device is increased, and different cutting knives4can be replaced or other adjustments can be made as needed. The detachable structure allows the cutting knife4to be partially removed and stored when not in use, improving safety by reducing the risk of accidentally touching the blade.

The wrapper cutter also includes a vertical plate7, which is installed on an outer wall of the shell1and is close to the second side edge102. The vertical plate7extends above the first side edge101and partially covers the elongated slit8, such that a gap is left between the vertical plate7and the elongated slit8. The gap between the vertical plate7and the elongated slit8helps to control an introduction path of the section of paper300and reduce the deviation of the section of paper300during the cutting process. The vertical plate7can bend the section of paper300introduced into the elongated slit8into an arc-shaped surface, such that the section of paper300passing through the elongated slit8reaches a maximum stiffness and tension before reaching the blade of the cutting knife4. It helps to improve the accuracy and stability of cutting and speed up the moving of the section of paper300passing through the elongated slit8, thereby improving the cutting efficiency. The section of paper300is in a best state before cutting, which can reduce the occurrences of uneven cutting or breakage, thereby reducing the scrap rate. The arrangement of the vertical plate7allows the section of paper300to be smoothly introduced into the elongated slit8, simplifies the operation process, and improves the convenience of operation. The vertical plate7can better control the introduction path of the section of paper300, which can reduce the risk of accidental sliding of the section of paper300during operation and improve the safety of use.

In some embodiments, the wrapper cutter also includes a fixed plate6, which is arranged on the second side edge102close to the cutting knife4. The fixed plate6further narrows the width of the elongated slit8and prompts the section of paper300introduced into the elongated slit8to approach the first side edge101. The design that prompts the section of paper300to approach the first side edge101helps to improve the cutting accuracy and reduce the deviation of the section of paper300. By narrowing the width of the elongated slit8, the stability of the section of paper300during the cutting process can be increased, the shaking of the section of paper300during cutting can be reduced, and the positioning of the section of paper300before cutting can be ensured to be accurate. Therefore, the occurrences of uneven cutting or breakage can be reduced, thereby reducing the scrap rate.

The first side edge101is defined with a first inclined guide edge111near an opening of the first end10, and the first inclined guide edge111is inclined toward the elongated slit8. The first inclined guide edge111gradually reduces the width of the elongated slit8from a top opening end of the elongated slit8inward, so as to facilitate the section of paper300to be introduced into the elongated slit8from the outside, such that the section of paper300can be introduced into the elongated slit8more smoothly by reducing obstacles during the introduction process, thus improving the cutting efficiency.

One end of the vertical plate7away from the cutting knife4is defined with a second inclined guide edge112, and the second inclined guide edge112titles toward the elongated slit8. The second inclined guide edge112makes it easier for the section of paper300to be introduced toward the direction of the cutting knife4in the elongated slit8.

By providing the first inclined guide edge111and the second inclined guide edge112, the convenience of introducing the section of paper300is improved, the positioning of the section of paper300during the introduction process is ensured to be more accurate, which helps to improve the cutting accuracy and reduce the deviation of the section of paper300during the cutting process. Therefore, the cutting efficiency is improved, the operating difficulty is reduced, the operating safety is improved, and scrap rate is reduced. The first inclined guide edge111and the second inclined guide edge112cooperate to make the wrapper cutter more efficient, convenient and safe during use.

A bottom of the fixed plate6has a bottom edge61with a same slope as that of the blade of the cutting knife4. The bottom edge61, the blade of the cutting knife4, the first side edge101and the second side edge102form an indwelling notch5. The indwelling notch5has a rhombus cross-section. The bottom edge61has the same slope as that of the blade of the cutting knife4, which helps to reduce the resistance during the cutting process and makes the cutting smoother. The indwelling notch5helps to control the introduction path of the section of paper300, reduces the risk of accidental sliding of the section of paper300, and improves the safety of cutting.

As shown inFIG.4toFIG.12andFIG.15toFIG.17, a wrapper cutter is provided by the present disclosure. The shell1includes a first shell11and a second shell12. A penetrating hollow structure of the second shell12can accommodate a rolled wrapping paper, and the shape and size of the penetrating hollow structure match the rolled wrapping paper. The shell1, an elongated slit8, a cutting knife4, an indwelling notch5and a vertical plate7in embodiment 2 are the same as those in embodiment 1. Based on embodiment 1, embodiment 2 differs in that the shell1is defined with an open slot3extending axially along a sidewall of the shell1from a first end10to a second end20. A side edge of the shell1beside the open slot3is defined with an elongated slit8extending axially, and a section of paper can be pulled out from the open slot3of the shell1, and the length of the section of paper300can be chosen as needed.

The open slot3is in communication with the elongated slit8, and the cutting knife4is fixedly arranged on an inner bottom wall of the elongated slit8. An outer wall of the shell1is also arranged with an axially arranged supporting structure14, which can serve as a contact surface between the wrapper cutter and the placement plane100and is configured for positioning and supporting the wrapper cutter and assisting the wrapper cutter to slide linearly. As shown inFIG.8andFIG.11, two side edges of the shell1corresponding to the open slot3are a third side edge31and a fourth side edge32, respectively, and the third side edge31is configured for separating the section of paper when pulling out the wrapping paper from the penetrating hollow structure of the wrapper cutter.

As shown inFIG.7toFIG.9andFIG.16, the first shell11includes a track structure with a polygonal cross-section, and the two parallel guideways14arranged on the shell1can be a guideway14aand a guideway14barranged at intervals along its axial direction.

In some embodiments, as shown inFIG.13, the first shell11includes the parallel guideway14aand guideway14bprotruding outwardly from the sidewall, and the guideway14aand guideway14bform a supporting structure14, which can position and support the wrapper cutter and assist the wrapper cutter to slide smoothly.

As shown inFIG.1toFIG.14, in some embodiments, the guideway14aand the guideway14bcan be arranged parallel to an axis of the shell1. When using the wrapper cutter, the two guideways14aand14bform the supporting structure14, which contacts the placement plane100. A grip2is also provided on an outer wall of the shell1. A plane formed by an axial symmetrical center line of the two guideways14aand14band an axial center line of the grip2is capable of passing through an axis of the shell1. A force applying center on the grip2is perpendicular to the axial symmetrical center line formed by the two guideways14aand14b. When cutting paper, the hand holds the grip2to push the wrapper cutter. The pressure applied by the grip2is perpendicular to the supporting structure14formed by the two guideways14aand14bto keep the wrapper cutter cutting straight when cutting.

The elongated slit8is axially extended from the first end10to the second end20of the shell1. Two side edges of the shell1defining the elongated slit8are a first side edge101and a second side edge102, respectively. The cutting knife4is fixedly installed in an inner bottom wall of the shell1, and the inner bottom wall of the shell1defines a bottom end of the elongated slit8. The section of paper300of the wrapping paper can be inserted into the elongated slit8and can run to the cutting knife4for cutting. The vertical plate7is installed on an outer wall of the shell1close to the second side edge102. The vertical plate7extends above the first side edge101and partially covers the elongated slit8, leaving a gap formed therebetween. The vertical plate7can bend the section of paper300introduced into the elongated slit8into an arc surface such that the section of paper300running through the elongated slit8can reach a maximum stiffness and tension.

The fixed plate6is arranged on the second side edge102close to the cutting knife4. The fixed plate6further narrows the width of the elongated slit8and tends to prompt the section of paper300introduced into the elongated slit8to approach the first side edge101. The sidewall of the shell1is also defined with an open slot3, which extends from the first end10to the second end20of the shell1. Two side edges of the shell1defining the open slot3are a third side edge31and a fourth side edge32respectively. The third side edge31can be configured to separate a section of paper when pulling out from the wrapper cutter. The first side edge101is defined with a first inclined guide edge111inclined toward the elongated slit8near an opening of the first end10. The first inclined guide edge111gradually reduces the width of the elongated slit8from a top opening end of the elongated slit8inward, so as to facilitate the introduction of the section of paper300from the outside into the elongated slit8of the wrapper cutter. One end of the vertical plate7away from the cutting knife4is defined with a second inclined guide edge112inclined toward the elongated slit8. The second inclined guide edge112facilitates the introduction of the section of paper300toward the direction of the cutting knife4within the elongated slit8.

The indwelling notch5is provided at one side of the cutting knife4. The fixed plate6is fixedly provided on one side of the first shell11close to the open slot3. The fixed plate6is configured to bend the introduced section of paper300into an arc surface and the indwelling notch is formed between the fixed plate6and the cutting knife4such that the section of paper300passing through the cutting position can further reach a maximum stiffness and tension.

The first shell11is provided with a supporting structure14, the supporting structure14defines a slope13, and the slope13is configured to make a section of paper of the rolled wrapping paper abut against the cutting knife4.

In the embodiments of the present disclosure, the rolled wrapping paper is introduced into the shell1, and the fixed plate6bends a section of wrapping paper into an n-shaped arch, such that the section of wrapping paper reaches the maximum tension and hits the blade of the cutting knife4at an angle of 40 degrees to form a maximum lateral force. The indwelling notch5, in cooperation with the first shell11, is to allow the rolled wrapping paper to be bent into an n-shaped arch for a second time if it is not cut at the first time, and crawl along the rhombus space of the indwelling notch5, and the cutting knife4continues to cut the rolled wrapping paper until cutting is finished. By arranging the first shell11of the shell1to a track structure with a polygonal cross-section, the shape of the second shell12of the shell1matches the shape of the rolled wrapping paper, which can clamp the rolled wrapping paper and fit the blade, such that the rolled wrapping paper reaches the maximum tension and achieves the best cutting effect.

A shape of the supporting structure14is similar to a sled, allowing it to slide in a straight line along the rolled wrapping paper. Since the rolled wrapping paper200is straight, the supporting structure14will only slide in a straight line, thereby ensuring that the cutting edge of the section of paper300is straight. The slope13is close to the sidewall of the second shell12and is inclined from a junction of the first shell11and the second shell12to the direction of the open slot3. Since the rolled wrapping paper becomes smaller and smaller after use, with the help of the slope13, rolled wrapping paper of different diameters, for example, a rolled wrapping paper with a diameter less than 5.5 cm, a section of paper can always abut against the blade during cutting, thereby achieving a best cutting effect.

As shown inFIG.1toFIG.12andFIG.16, the embodiments of the present disclosure provide a wrapper cutter, including: a shell1having a penetrating hollow structure axially; and an elongated slit8defined by the shell1along its axial direction. The elongated slit8extends from a first end10to a second end20of the shell1. The elongated slit8is configured to have a width, thereby allowing the section of paper300to be easily accessed. Two sides of the elongated slit8are a first side edge101and a second side edge102of the shell1, respectively. A cutting knife4is installed within the elongated slit8, and the blade of the cutting knife4faces the first end10of the shell1. It helps to reduce the risk of users accidentally touching the blade during use, thereby improving the safety of use. A supporting structure14is provided on an outer wall of the shell1, as shown inFIG.7,FIG.8,FIG.13andFIG.14. The supporting structure14can include a guideway14band a portion of an outer wall of the shell1. Alternatively, the supporting structure14can be two guideways14aand14barranged on the sidewall of the shell1. The supporting structure14is not limited to implementation ways described in the embodiments. The supporting structure14is arranged on the outer wall of the shell1and in contact with the placement plane100.

The supporting structure14can be served for positioning and bearing the wrapper cutter, and assisting the wrapper cutter to slide straightly, ensuring that the section of paper300remains stable during the cutting process and reducing the deviation of the section of paper300. Besides, the user can easily push the wrapper cutter, thereby improving the convenience of use. Additionally, the contact surface with the placement plane100is a plane, which helps to reduce the wear on the bottom of the wrapper cutter and improve durability. Through the combined effects of the structures in the above technical solution, the wrapper cutter is more efficient, accurate, safe and durable.

In some embodiments, a vertical plate7is installed on an outer wall of the shell1, and the vertical plate7extends along a circumferential direction of the shell1and at least partially covers the elongated slit8, such that a gap is formed between the vertical plate7and the elongated slit8for the section of paper300to pass through. And the vertical plate7can bend the section of paper300passing through the elongated slit8into an arc surface between the elongated slit8and the vertical plate7, such that the section of paper300passing through the elongated slit8reaches the maximum stiffness and tension before reaching the blade of the cutting knife4.

As shown inFIG.1toFIG.13andFIG.16, the wrapper cutter provided by the embodiments of the present disclosure shares the same connecting manner of the shell1, the first end10and the second end20of the shell1, the elongated slit8, the cutting knife4and the supporting structure14as those of embodiment 4. A grip2is also fixedly connected to an outer wall of the shell1, and a force center of the grip2is perpendicular to the axial symmetrical center line between the two guideways14aand14b. When cutting paper, hold the grip2and push the wrapper cutter. Pressure applied by the grip2is perpendicular to the supporting structure14or the placement plane100which is formed by the two guideways14aand14bso as to keep the wrapper cutter cutting in a straight line. It helps the user to more easily grasp the balance of the wrapper cutter during use, making the pushing the wrapper cutter more natural and smoother, improving the convenience of use, ensuring that the section of paper300remains stable during the cutting process, reducing the deviation of the section of paper300, and improving the cutting accuracy. Additionally, the wrapper cutter can be kept stable, the risk of accidental sliding can be reduced, and the safety of use can be improved.

The working principle of the present disclosure is as follows.

Before cutting, a section of paper of the rolled wrapping paper200to be cut is extracted to pass through the open slot3, and another side of the open slot3without the cutting knife is configured to position and determine the width of the section of paper to be cut. After that, the rolled wrapping paper can be axially pulled out and then the section of paper can be placed in the elongated slit8for cutting.

The wrapper cutter guides a section of paper of the rolled wrapping paper into the elongated slit8of the shell1and bends the section of paper into an arc shape through the vertical plate7and the fixed plate6, such that the section of paper reaches the maximum tension and hits the blade of the cutting knife4at an angle of 40 degrees to form a maximum lateral force. The indwelling notch5, in cooperation with the vertical plate7and the first shell11, is to allow the section of paper of the rolled wrapping paper to be bent into an n-arch shape for the second time if the section of paper is not cut at the first time, thus the cutting knife4continues to cut the section of paper along the rhombus space of the indwelling notch5until the rolled wrapping paper is cut. By arranging the supporting structure14, the cutting line of the section of paper300can be a straight line. By arranging the slope13, the section of paper of the rolled wrapping paper of different diameters can always be close to the blade when cutting, to achieve the best cutting effect. Put the wrapper cutter close to a desktop and push the wrapper cutter along the direction of the rolled wrapping paper, and the rolled wrapping paper can be easily and perfectly cut.

The above description is only some embodiments of the present disclosure and is not intended to limit the present disclosure. For those of ordinary skill in the art, the present disclosure may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.