Back steel knife with detachable knife handle

Abstract

The utility model relates to the technical field of cutters, in particular to a back steel cutter with a detachable cutter handle, which comprises a wooden cutter handle component, a cutter handle protection component and a steel cutter body component, the wooden cutter handle component comprises a cutter handle body, and a mounting groove is arranged on the upper side of the cutter handle body. Through the arrangement of the first clamping block, the second clamping block, the welding piece and the cutter body extension plate, the device can limit the welding piece through the first clamping block, limit the first limiting steel sheet through the second limiting steel sheet, limit the cutter body extension plate through the first limiting steel sheet, and limit the cutter body extension plate through the second clamping block at the same time; the knife handle body and the knife body extending plate are fixed together through the connecting bolt, so that the knife handle body and the knife body can be relatively fixed, the device can be rapidly disassembled and assembled, if the knife handle body or the knife body is damaged, the knife handle body or the knife body can be conveniently replaced, and the maintenance cost of the device is low.

Description

Technical Field

[0001] This utility model relates to the field of cutting tool technology, specifically to a steel backing knife with a detachable handle. Background Technology

[0002] A steel-bladed knife is a steel knife made by grinding the cutting edge of a steel knife with an oilstone or fine sandpaper. Steel-bladed knives have sharp blades, smooth edges, and a long service life.

[0003] A steel-backed knife consists of a blade and a handle. In actual use, the blade or handle may be damaged. Some existing steel-backed knives have non-removable handles, and when the blade or handle is damaged, the entire knife must be replaced, which is costly. Therefore, to address the above problems, a steel-backed knife with a detachable handle is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a steel back knife with a detachable handle, so as to solve the problem that some existing steel back knives have non-detachable handles, and when the blade or handle is damaged, the entire knife must be replaced, which is costly.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A steel-backed knife with a detachable handle includes a wooden handle assembly, a handle guard assembly, and a steel blade assembly. The wooden handle assembly includes a handle body with a mounting groove on its upper side and a blade retaining groove below the mounting groove. A blade retaining groove is located on the left side of the handle body. Two first retaining blocks are slidably connected within the blade retaining groove of the handle body. A first compression spring is fixedly connected to the opposite side of each of the two first retaining blocks, with the end of the first compression spring away from the first retaining block fixedly connected to the handle body. Two second retaining blocks are slidably connected within the blade retaining groove of the handle body, with a second compression spring fixedly connected to the opposite side of each of the two second retaining blocks. The end of the second compression spring away from the second locking block is fixedly connected to the handle body. A handle protection assembly is provided on the outside of the wooden handle assembly. The handle protection assembly includes a first limiting steel plate located on the left side of the handle body. A limiting groove is provided in the middle of the first limiting steel plate. A second limiting steel plate is fixedly connected to the uppermost right side of the first limiting steel plate. A welding piece is fixedly connected to the lower side of the second limiting steel plate. A steel blade assembly is provided on the left side of the wooden handle assembly. The steel blade assembly includes a blade body located to the left of the first limiting steel plate. A blade extension plate is fixedly connected to the right side of the blade body. The blade extension plate is bolted to the handle body.

[0007] Preferably, the two first card blocks are symmetrically distributed on the left and right sides, and each of the two first card blocks has a semi-circular protrusion on its opposite side. The two first card blocks are respectively inserted into the left and right card slots of the welding piece.

[0008] Preferably, the two second locking blocks are staggered, and each of the two second locking blocks has a semi-circular protrusion on its opposite side. The two second locking blocks are respectively inserted into the upper and lower locking slots of the blade extension plate.

[0009] Preferably, the right side of the first limiting steel sheet is attached to the left side of the handle body, the second limiting steel sheet is located in the mounting groove, and the welding piece is located in the piece slot.

[0010] Preferably, the right side of the blade body and the left side of the first limiting steel plate are attached, the blade extension plate is located in the blade slot, and the blade extension plate passes through the limiting slot.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, the device, through the arrangement of a first locking block, a second locking block, a welding piece, and a blade extension plate, can limit the welding piece using the first locking block, limit the first limiting steel piece using the second limiting steel piece, limit the blade extension plate using the first limiting steel piece, and simultaneously limit the blade extension plate using the second locking block. The handle body and the blade extension plate are then fixed together using connecting bolts, thus fixing the handle body and the blade body relatively in place. This device allows for quick assembly and disassembly, and if the handle body or blade body is damaged, it can be easily replaced. The maintenance cost of this device is low. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0015] Figure 3 This is a cross-sectional view of the wooden knife handle assembly of this utility model;

[0016] Figure 4 This is a cross-sectional view of the tool holder protection component of this utility model;

[0017] Figure 5 This is a schematic diagram of the steel blade assembly structure of this utility model;

[0018] Figure 6 This utility model Figure 3 A schematic diagram of the structure at point A;

[0019] Figure 7 This utility model Figure 3 A schematic diagram of the structure at point B.

[0020] In the diagram: 1. Wooden handle assembly; 11. Handle body; 12. Mounting slot; 13. Slipper slot; 14. Blade slot; 15. First locking block; 16. First compression spring; 17. Second locking block; 18. Second compression spring; 2. Handle protection assembly; 21. First limiting steel plate; 22. Limiting groove; 23. Second limiting steel plate; 24. Welded slipper; 3. Steel blade assembly; 31. Blade body; 32. Blade extension plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0023] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0024] Please see Figure 1-7 This utility model provides a technical solution:

[0025] A steel-backed knife with a detachable handle includes a wooden handle assembly 1, a handle protection assembly 2, and a steel blade assembly 3. The wooden handle assembly 1 includes a handle body 11. A mounting groove 12 is provided on the upper side of the handle body 11, and a blade retaining groove 13 is provided below the mounting groove 12. A blade retaining groove 14 is provided on the left side of the handle body 11. Two first retaining blocks 15 are slidably connected within the blade retaining groove 13 of the handle body 11. A first compression spring 16 is fixedly connected to the opposite side of each of the two first retaining blocks 15. The end of the first compression spring 16 away from the first retaining block 15 is fixedly connected to the handle body 11. Two second retaining blocks 17 are slidably connected within the blade retaining groove 14 of the handle body 11. A second compression spring is fixedly connected to the opposite side of each of the two second retaining blocks 17. 18. The end of the second compression spring 18 away from the second locking block 17 is fixedly connected to the handle body 11. The wooden handle assembly 1 is provided with a handle protection assembly 2 on the outside. The handle protection assembly 2 includes a first limiting steel plate 21 located on the left side of the handle body 11. A limiting groove 22 is provided in the middle of the first limiting steel plate 21. A second limiting steel plate 23 is fixedly connected to the uppermost right side of the first limiting steel plate 21. A welding piece 24 is fixedly connected to the lower side of the second limiting steel plate 23. A steel blade assembly 3 is provided on the left side of the wooden handle assembly 1. The steel blade assembly 3 includes a blade body 31 located on the left side of the first limiting steel plate 21. A blade extension plate 32 is fixedly connected to the right side of the blade body 31. The blade extension plate 32 and the handle body 11 are bolted together.

[0026] Two first locking blocks 15 are symmetrically distributed on the left and right sides, each with a semi-circular protrusion on its opposite side. The two first locking blocks 15 are respectively inserted into the left and right locking slots of the welding piece 24, thus limiting the position of the welding piece 24. Two second locking blocks 17 are staggered, each with a semi-circular protrusion on its opposite side. The two second locking blocks 17 are respectively inserted into the upper and lower locking slots of the blade extension plate 32, thus limiting the position of the blade extension plate. 32 is used for limiting; the right side of the first limiting steel plate 21 is attached to the left side of the handle body 11, the second limiting steel plate 23 is located in the mounting groove 12, and the welding piece 24 is located in the piece slot 13. The welding piece 24 can be limited by the piece slot 13; the right side of the blade body 31 is attached to the left side of the first limiting steel plate 21, the blade extension plate 32 is located in the blade slot 14, the blade extension plate 32 passes through the limiting groove 22, and the blade extension plate 32 can be limited by the first limiting steel plate 21.

[0027] Workflow: The first limiting steel plate 21 and the second limiting steel plate 23 of this device are integrally produced components. The blade body 31 and the blade extension plate 32 of this device are also integrally produced components. The wooden handle assembly 1, the handle protection assembly 2, and the steel blade assembly 3 equipped with this device can be assembled. The user can place the first limiting steel plate 21 on the left side of the handle body 11 and place the second limiting steel plate 23 in the mounting groove 12, so that the welding piece 24 is located in the piece slot 13. The two first slots... Block 15, with the help of the elastic force of the first compression spring 16, can hold the welding piece 24 in place. Then, the user places the blade body 31 on the left side of the handle body 11, so that the blade extension plate 32 passes through the limiting groove 22, and the blade extension plate 32 is placed in the blade retaining groove 14. The two second locking blocks 17, with the help of the elastic force of the second compression spring 18, can hold the blade extension plate 32 in place. At this time, the right side of the blade body 31 and the left side of the first limiting steel plate 21 are in contact, and the right side of the first limiting steel plate 21 and the handle body 11 are in contact. The left side is fitted together, and the user fixes the blade extension plate 32 and the handle body 11 with connecting bolts, thus fixing the wooden handle assembly 1, the handle guard assembly 2, and the steel blade assembly 3 relatively. The device is then ready for use. If the handle body 11 and the blade body 31 are damaged, the user can unscrew the connecting bolts, disassemble the wooden handle assembly 1, the handle guard assembly 2, and the steel blade assembly 3, and replace the damaged parts. The device can limit the welding piece 24 through the first locking block 15, and through the second... The second limiting steel plate 23 limits the first limiting steel plate 21, which in turn limits the blade extension plate 32. At the same time, the second locking block 17 limits the blade extension plate 32. The handle body 11 and the blade extension plate 32 are fixed together by connecting bolts, thus fixing the handle body 11 and the blade body 31 relatively. This device can be quickly disassembled and assembled. If the handle body 11 or the blade body 31 is damaged, it can be easily replaced. The operating cost of this device is low.

[0028] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel-backed knife with a detachable handle, comprising a wooden handle assembly (1), a handle protection assembly (2), and a steel blade assembly (3), characterized in that: The wooden handle assembly (1) includes a handle body (11), with a mounting groove (12) on the upper side of the handle body (11), a blade retaining groove (13) below the mounting groove (12), and a blade retaining groove (14) on the left side of the handle body (11). Two first retaining blocks (15) are slidably connected within the blade retaining groove (13) of the handle body (11). A first compression spring (16) is fixedly connected to the opposite side of each of the two first retaining blocks (15). The end of the first compression spring (16) away from the first retaining block (15) is fixedly connected to the handle body (11). Two second retaining blocks (17) are slidably connected within the blade retaining groove (14) of the handle body (11). A second compression spring (18) is fixedly connected to the opposite side of each of the two second retaining blocks (17). The second compression spring (18) is located away from the second retaining block (17). 17) One end is fixedly connected to the handle body (11). The wooden handle assembly (1) is provided with a handle protection assembly (2) on the outside. The handle protection assembly (2) includes a first limiting steel plate (21) located on the left side of the handle body (11). The first limiting steel plate (21) is provided with a limiting groove (22) in the middle position. The uppermost right end of the first limiting steel plate (21) is fixedly connected with a second limiting steel plate (23). The lower side of the second limiting steel plate (23) is fixedly connected with a welding piece (24). The left side of the wooden handle assembly (1) is provided with a steel blade assembly (3). The steel blade assembly (3) includes a blade body (31) located on the left side of the first limiting steel plate (21). The right side of the blade body (31) is fixedly connected with a blade extension plate (32). The blade extension plate (32) and the handle body (11) are bolted together.

2. The detachable handle steel backing knife according to claim 1, characterized in that: The two first card blocks (15) are symmetrically distributed on the left and right sides. The two first card blocks (15) are provided with semi-circular protrusions on the opposite sides. The two first card blocks (15) are respectively inserted into the left and right card slots of the welding piece (24).

3. A steel-backed knife with a detachable handle according to claim 1, characterized in that: The two second locking blocks (17) are staggered and each of the two second locking blocks (17) has a semi-circular protrusion on the opposite side. The two second locking blocks (17) are respectively inserted into the upper and lower locking slots of the blade extension plate (32).

4. A steel-backed knife with a detachable handle according to claim 1, characterized in that: The right side of the first limiting steel plate (21) is attached to the left side of the handle body (11), the second limiting steel plate (23) is located in the mounting groove (12), and the welding piece (24) is located in the piece slot (13).

5. A steel-backed knife with a detachable handle according to claim 1, characterized in that: The right side of the blade body (31) and the left side of the first limiting steel plate (21) are attached together. The blade extension plate (32) is located in the blade slot (14) and passes through the limiting slot (22).

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