CN219359521U - Box-type cutter mechanical self-locking structure - Google Patents
Box-type cutter mechanical self-locking structure Download PDFInfo
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- CN219359521U CN219359521U CN202320236741.4U CN202320236741U CN219359521U CN 219359521 U CN219359521 U CN 219359521U CN 202320236741 U CN202320236741 U CN 202320236741U CN 219359521 U CN219359521 U CN 219359521U
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- cutter
- box
- sliding groove
- upper cover
- knob
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Abstract
The utility model relates to the field of cutters, in particular to a box type cutter mechanical self-locking structure, which comprises a cutter box, wherein the cutter box comprises a cutter box upper cover and a cutter box lower cover, a cavity is arranged in the cutter box, the cutter box upper cover is provided with a sliding groove, the upper end part of the sliding groove is provided with a groove extending to the left side, and the lower end part of the sliding groove is provided with a groove extending downwards; the rear side of the tool rest is provided with a concave structure for installing the blade and providing limit; the knob is connected with the pin shaft and penetrates through the sliding groove of the upper cover of the cutter box to be connected with the sliding groove of the cutter rest. Compared with the prior art, the utility model has the advantages that: the knob and the pin roll slide between a groove extending from the left side of the upper part of the sliding groove of the upper cover of the cutter box and a groove extending downwards from the lower part of the sliding groove of the upper cover of the cutter box, so that the self-locking and the safe retraction closing of the cutter blade in the small-size space are realized; the structure is simple, the operation is convenient, the reliability is high, and the use efficiency of the cutter is improved; the blade can be retracted and stored for protection, and the safety of a cutter user is ensured.
Description
Technical Field
The utility model relates to the field of cutters, in particular to a box type cutter mechanical self-locking structure.
Background
Before feeding, the peripheral PE film is cut and torn off, the blades are required to be standard parts, the blades can be self-locked at working positions, the blades are also required to be hidden and protected after being used, and due to the small size of the blades, many mechanisms are limited by the size or are difficult to realize, or the reliability is low.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a box type cutter mechanical self-locking structure which has high reliability and can hide a cutter blade and realize self-locking.
In order to achieve the above purpose, a mechanical self-locking structure of a box type cutter is designed, and the mechanical self-locking structure comprises a cutter box, wherein the cutter box comprises a cutter box upper cover and a cutter box lower cover, a cavity is arranged in the cutter box, a sliding groove is formed in the cutter box upper cover, a groove extending to the left side is formed in the upper end part of the sliding groove, and a groove extending downwards is formed in the lower end part of the sliding groove; the knife rest is provided with a concave structure at the rear side for installing the knife blade and providing limit, the bottom of the concave structure at the rear side of the knife rest is provided with a convex block which is matched with a groove arranged at the bottom of the knife back, and the front side of the knife rest is also provided with a sliding groove; the knob is connected with the pin shaft and penetrates through the sliding groove of the upper cover of the cutter box to be connected with the sliding groove of the cutter rest.
The utility model also has the following preferable technical scheme:
1. the knob and the pin roll slide in the sliding groove of the upper cover of the knife box and also slide in the sliding groove of the knife rest.
2. An acute angle is formed between the bottom surface of the tool rest and the right side surface of the tool rest, when the knob is positioned at the lower end part of the sliding groove of the upper cover of the tool box, the bottom surface of the tool rest is matched with the bottom of the inner cavity of the tool box, and when the knob is positioned at the upper end part of the sliding groove of the upper cover of the tool box, the right side surface of the tool rest is matched with the top of the inner cavity of the tool box.
3. The knife rest and the knife box lower cover are provided with holes, and the knife rest is connected with the knife box lower cover through pins arranged in the holes.
4. The knob slides to push the knife rest and the blade to rotate around the pin, the knife rest and the blade reach the groove at the upper end part of the sliding groove and are locked leftwards, the blade is stressed when in work, and the pin shaft is pushed leftwards and downwards, so that mechanical self-locking is realized.
5. And a spring is arranged in the knob and presses the upper cover of the knife box against the lower pad in the knob.
Compared with the prior art, the utility model has the advantages that:
1. the knob and the pin roll slide between a groove extending from the left side of the upper part of the sliding groove of the upper cover of the cutter box and a groove extending downwards from the lower part of the sliding groove of the upper cover of the cutter box, so that the self-locking and the safe retraction closing of the cutter blade in the small-size space are realized;
2. the structure is simple, the operation is convenient, the reliability is high, and the use efficiency of the cutter is improved;
3. the blade can be retracted and stored for protection, and the safety of a cutter user is ensured.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view in the direction A-A of the present utility model;
FIG. 3 is a schematic view of the blade construction of the present utility model;
FIG. 4 is a rear, front, elevational view of the tool holder of the present utility model;
in the figure: 1. a knife box lower cover; 2. a knife box upper cover; 3. a tool holder; 4. a blade; 5. a pin; 6. a knob; 7, a pin shaft; 8. cross groove semi-countersunk head screw; 9. a handle.
Detailed Description
The construction and principles of the present utility model will be readily apparent to those skilled in the art from the following description taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-2: the device mainly comprises a knife box upper cover 2, a knife box lower cover 1 and a handle 9. The upper cutter box cover 2 and the lower cutter box cover 1 are also connected with a handle 9 through a cross groove half countersunk head screw 8. The upper and lower blade case covers 2 and 1 form a cavity for accommodating the blade carrier 3 and the blade 4. The upper cover 2 of the knife box is provided with a sliding groove, the upper end part of the sliding groove is provided with a groove extending leftwards, and the lower end part of the sliding groove is provided with a groove extending downwards.
As shown in fig. 3-4: the rear side of the blade holder 3 is provided with a recess for mounting the blade 4 and providing a limit. The bottom of the concave structure at the rear side of the tool rest 3 is also provided with a convex block, and the convex block of the tool rest 3 is matched with the groove at the bottom of the tool back. The front side of the tool rest 3 is also provided with a sliding groove.
The device also comprises a knob 6 and a pin shaft 7, wherein the knob 6 is connected with the pin shaft 7 and penetrates through a sliding groove of the upper cover 2 of the knife box to be connected with a sliding groove of the knife rest 3. The knob 6 is also provided with a spring which presses the upper cover 2 of the knife box against the lower pad in the knob 6 to prevent the knife blade 4 from misoperation at the closed position. The knob 6 and the pin shaft 7 can slide in the sliding groove of the upper cover 2 of the knife box, and also can slide in the sliding groove of the knife rest 3.
The tool rest 3 and the lower cover 1 of the tool box of the device are also provided with holes, and the tool rest 3 and the lower cover 1 of the tool box are connected through pins 5 arranged in the holes. An acute angle is formed between the bottom surface of the knife rest 3 and the right side surface of the knife rest 3, when the knob 6 is positioned at the lower end part of the sliding groove of the knife box upper cover 2, the bottom surface of the knife rest 3 is matched with the bottom of the inner cavity of the knife box, and when the knob is positioned at the upper end part of the sliding groove of the knife box upper cover 2, the right side surface of the knife rest is matched with the top of the inner cavity of the knife box.
The specific working principle of the device is as follows: pushing knob 6 makes knife rest 3 and blade 4 rotate around pin 5, reach the groove of the upper end of the sliding groove of knife box upper cover 2 and lock leftwards, and the blade 4 is forced when working, pushing pin shaft 7 leftwards and downwards, realizing mechanical self-locking.
The above description is only specific to the embodiments of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is skilled in the art to which the utility model pertains shall apply to the technical solution and the novel concept according to the utility model, and shall all be covered by the scope of the utility model.
Claims (6)
1. A mechanical self-locking structure of a box-type cutter is characterized by comprising
The cutter box comprises a cutter box upper cover and a cutter box lower cover, a cavity is arranged in the cutter box, a sliding groove is formed in the cutter box upper cover, a groove extending to the left side is formed in the upper end part of the sliding groove, and a groove extending downwards is formed in the lower end part of the sliding groove;
the knife rest is provided with a concave structure at the rear side for installing the knife blade and providing limit, the bottom of the concave structure at the rear side of the knife rest is provided with a convex block which is matched with a groove arranged at the bottom of the knife back, and the front side of the knife rest is also provided with a sliding groove;
the knob is connected with the pin shaft and penetrates through the sliding groove of the upper cover of the cutter box to be connected with the sliding groove of the cutter rest.
2. The mechanical self-locking structure of a box type cutter according to claim 1, wherein the knob and the pin shaft slide in the sliding groove of the upper cover of the cutter box and also slide in the sliding groove of the cutter holder.
3. The mechanical self-locking structure of a box type cutter according to claim 1, wherein an acute angle is formed between the bottom surface of the cutter rest and the right side surface of the cutter rest, when the knob is positioned at the lower end part of the sliding groove of the upper cover of the cutter box, the bottom surface of the cutter rest is matched with the bottom of the inner cavity of the cutter box, and when the knob is positioned at the upper end part of the sliding groove of the upper cover of the cutter box, the right side surface of the cutter rest is matched with the top part of the inner cavity of the cutter box.
4. The mechanical self-locking structure of a box cutter according to claim 1, wherein the cutter holder and the lower cover of the cutter box are provided with holes, and the cutter holder and the lower cover of the cutter box are connected through pins arranged in the holes.
5. The mechanical self-locking structure of box-type cutter according to claim 1, 2 or 4, wherein the knob slides to push the cutter holder and the cutter blade to rotate around the pin, reaches the groove at the upper end part of the sliding groove and locks leftwards, and the cutter blade is stressed when working, so that the pin shaft is pushed leftwards and downwards to realize mechanical self-locking.
6. The mechanical self-locking structure of a box cutter according to claim 1, wherein a spring is further arranged in the knob to press the upper cover of the cutter box against the lower pad in the knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236741.4U CN219359521U (en) | 2023-02-17 | 2023-02-17 | Box-type cutter mechanical self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236741.4U CN219359521U (en) | 2023-02-17 | 2023-02-17 | Box-type cutter mechanical self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219359521U true CN219359521U (en) | 2023-07-18 |
Family
ID=87146186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236741.4U Active CN219359521U (en) | 2023-02-17 | 2023-02-17 | Box-type cutter mechanical self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219359521U (en) |
-
2023
- 2023-02-17 CN CN202320236741.4U patent/CN219359521U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |