Carving knife

Abstract

The utility model discloses a carving knife, and relates to the technical field of carving machining tools. The graver comprises a graver handle, a tool changing sleeve is fixedly connected to the bottom of the graver handle, a first limiting ring is fixedly connected to the left side of the inner wall of the tool changing sleeve, a first limiting rod is slidably connected to the inner wall of the first limiting ring, and a conical push block is fixedly connected to the right side of the first limiting rod. Limiting blocks are fixedly connected to the left side and the right side of the inner wall of the tool changing sleeve, and carving tool bits are slidably connected to the outer surfaces of the limiting blocks. According to the carving tool, the tool changing sleeve is arranged, specifically, the carving tool bit is pushed to slide upwards in the limiting block, so that the conical push block cannot block the conical block, and the carving tool bit can leave the interior of the tool changing sleeve; when the carving tool bit is mounted and dismounted, the carving tool bit can be replaced only by ascending and descending the carving tool bit, the carving tool bit is convenient, simple and rapid to mount, and the carving tool bit does not need to be pushed or extruded vigorously.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of engraving processing cutter, especially relates to a carving knife. BACKGROUND

[0002] The so-called carving knife is a kind of special cutter that is frequently used by craftsmen when carving various wood, jade, stone and other material handicrafts, and different models of carving knife heads need to be used for carving due to different requirements of lines and patterns.

[0003] The existing carving knife needs to use auxiliary tools to insert into the tail part of the carving knife, then extrude the carving knife, take out the new carving knife head and install it, and the carving knife head needs to be pressed or supported by an object during installation, so that the carving knife head is extruded into the carving knife, which is inconvenient, time-consuming and laborious, and may scratch the user. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a carving knife, which is provided with a tool changing sleeve, specifically, the carving knife head is pushed to slide upward in the limiting block, so that the conical push block does not block the conical block, and the carving knife head can be separated from the inside of the tool changing sleeve, thereby solving the problem that the carving knife head needs to be pressed or supported by an object during installation, and the carving knife head is extruded into the carving knife, which is inconvenient, time-consuming and laborious, and may scratch the user.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a carving knife, which comprises a carving knife handle, a tool changing sleeve is fixedly connected to the bottom of the carving knife handle, a limiting ring one is fixedly connected to the inner wall left side of the tool changing sleeve, a limiting rod one is slidably connected to the inner wall of the limiting ring one, a conical push block is fixedly connected to the right side of the limiting rod one, limiting blocks are fixedly connected to the inner wall left side and right side of the tool changing sleeve, a carving knife head is slidably connected to the outer surface of the limiting block, a connecting rod one is fixedly connected to the top of the carving knife head, a conical block is fixedly connected to the top of the connecting rod one, and a movable conical sleeve is slidably connected to the outer surface of the connecting rod one, the tool changing sleeve is provided, specifically, the carving knife head is pushed to slide upward in the limiting block, so that the conical push block does not block the conical block, and the carving knife head can be separated from the inside of the tool changing sleeve, after the carving knife head is taken out, the carving knife head is only needed to be lifted and lowered during installation and disassembly of the carving knife head, so that the carving knife head can be replaced, the installation is convenient, simple and fast, the carving knife head does not need to be pushed or extruded with great force, and the user will not be scratched.

[0007] Further, an outer surface of the limiting rod one is wound with a spring, the outer surface of the limiting rod one is fixedly connected with a limiting ring two, the inner wall of the tool changing sleeve is rotationally connected with a rotating ring, a notch is formed in the outer surface of the rotating ring, and the moving distance of the limiting rod one is controlled through the limiting ring two, so that the limiting rod one cannot fly out due to excessive elastic force when the spring rebounds.

[0008] Further, the inner wall of the rotating ring is slidably connected with a fixing rod, the inner wall of the rotating ring is fixedly connected with a blocking block and a threaded ring respectively, the connecting rod two is blocked through the blocking block, so that the connecting rod two cannot move to achieve the fixed effect, and the rotating ring is fixed after rotating a distance through the threaded ring.

[0009] Further, the inner wall right side of the tool changing sleeve is slidably connected with a connecting rod two, the left side of the connecting rod two is fixedly connected with a tapered pressing plate, the inner wall right side of the tool changing sleeve is threadedly connected with a screw, the left side of the screw is fixedly connected with a connecting rod three, the connecting rod three is driven to advance and be fixed through the screw, and the connecting rod two can move through sliding on the inner wall right side of the tool changing sleeve.

[0010] Further, the left side of the connecting rod three is fixedly connected with an arc-shaped limiting block, the right side of the arc-shaped limiting block is fixedly connected with a limiting rod two, and the right side of the screw is fixedly connected with a rotating handle, the arc-shaped limiting block is arranged, specifically, the screw is rotated clockwise to make the arc-shaped limiting block enter the connecting rod one, the engraving tool bit needs to be very stable during engraving, the arc-shaped limiting block is in close contact with the connecting rod one, so that the engraving tool bit does not shake during engraving, the engraving is more stable, and the engraving effect is improved.

[0011] Further, the left side and the right side of the spring are fixedly connected with the left side of the tapered push block and the right side of the limiting ring one respectively, the top of the tapered block is in contact with the bottom of the tapered pressing plate, the tapered block is extruded through the tapered pressing plate, so that the tapered block cannot rise, and the tapered push block can be reset after being extruded through the spring.

[0012] Further, the outer surface of the limiting rod two is slidably connected with the inner wall right side of the tool changing sleeve, and the top of the fixing rod is fixedly connected with the inner wall of the tool changing sleeve, the rotating ring is limited through the fixing rod, so that the rotating ring does not deviate during rotation and affects the fixed effect, and the arc-shaped limiting block is limited through the limiting rod two, so that the screw does not rotate when pushing the arc-shaped limiting block to advance.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses a replaceable tool sleeve, and specifically, the engraving tool head is pushed to slide upwards in the limiting block, so that the conical push block does not block the conical block, and the engraving tool head can be separated from the inside of the replaceable tool sleeve.

[0015] The utility model discloses an arc limiting block is set, and specifically, the arc limiting block is made into the inside of connecting rod no.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawing of the embodiment to make a brief introduction, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is the whole structure schematic diagram of the utility model Figure 2 It is the enlarged structure schematic diagram of A in the utility model;

[0021] Figure 4 It is the enlarged structure schematic diagram of B in the utility model Figure 2 It is the enlarged structure schematic diagram of B in the utility model

[0022] Figure 5 It is the overhead sectional structure schematic diagram of replaceable tool sleeve of the utility model.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, engraving knife handle; 2, engraving knife head; 21, connecting rod one; 22, movable conical sleeve; 23, conical block; 3, tool changing sleeve; 31, swivel ring; 311, conical pressing plate; 312, connecting rod two; 313, blocking block; 314, fixed rod; 315, threaded ring; 32, limiting block; 33, conical push block; 331, spring; 332, limiting ring one; 333, limiting rod one; 334, limiting ring two; 34, screw; 341, connecting rod three; 342, limiting rod two; 343, arc limiting block; 344, handle. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-5 As shown in the figure, the utility model is a kind of engraving knife, including engraving knife handle 1, the bottom of engraving knife handle 1 is fixedly connected with tool changing sleeve 3, limiting ring one 332 is fixedly connected on the inner wall left side of tool changing sleeve 3, limiting rod one 333 is slidably connected on the inner wall of limiting ring one 332, conical push block 33 is fixedly connected on the right side of limiting rod one 333, limiting block 32 is fixedly connected on the inner wall left side and right side of tool changing sleeve 3, engraving knife head 2 is slidably connected on the outer surface of limiting block 32, connecting rod one 21 is fixedly connected on the top of engraving knife head 2, conical block 23 is fixedly connected on the top of connecting rod one 21, movable conical sleeve 22 is slidably connected on the outer surface of connecting rod one 21, by setting tool changing sleeve 3, specifically, make engraving knife head 2 slide in limiting block 32 upwards, so that conical push block 33 will not block conical block 23, so that engraving knife head 2 can leave the inside of tool changing sleeve 3, after taking out engraving knife head 2, when installing and disassembling engraving knife head 2, only need to make engraving knife head 2 rise and fall to complete the replacement of engraving knife head 2, installation is convenient, simple and fast, without pushing or extruding engraving knife head 2 with great force, will not scratch the user.

[0027] Spring 331 is wound on the outer surface of limiting rod one 333, limiting ring two 334 is fixedly connected on the outer surface of limiting rod one 333, swivel ring 31 is rotatably connected on the inner wall of tool changing sleeve 3, notch is formed on the outer surface of swivel ring 31.

[0028] Fixed rod 314 is slidably connected on the inner wall top of swivel ring 31, blocking block 313 and threaded ring 315 are fixedly connected on the inner wall of swivel ring 31 respectively.

[0029] The inner wall of the tool changing sleeve 3 is slidably connected with a connecting rod two 312 on the right side, the left side of the connecting rod two 312 is fixedly connected with a conical pressing plate 311, the inner wall of the tool changing sleeve 3 is threadedly connected with a screw 34 on the right side, and the left side of the screw 34 is fixedly connected with a connecting rod three 341.

[0030] The left side of the connecting rod three 341 is fixedly connected with an arc-shaped limiting block 343, the right side of the arc-shaped limiting block 343 is fixedly connected with a limiting rod two 342, and the right side of the screw 34 is fixedly connected with a handle 344. By arranging the arc-shaped limiting block 343, specifically, the arc-shaped limiting block 343 is arranged to enter the inside of the connecting rod one 21 by rotating the screw 34 clockwise, the engraving tool head 2 needs to be very stable during engraving, the arc-shaped limiting block 343 and the connecting rod one 21 are in close contact, so that the engraving tool head 2 does not shake during engraving, and the engraving is more stable, and the engraving effect is improved.

[0031] The left side and the right side of the spring 331 are fixedly connected with the left side of the conical pushing block 33 and the right side of the limiting ring one 332 respectively, and the top of the conical block 23 is in contact with the bottom of the conical pressing plate 311.

[0032] The outer surface of the limiting rod two 342 is slidably connected with the right side of the inner wall of the tool changing sleeve 3, and the top of the fixed rod 314 is fixedly connected with the inner wall of the tool changing sleeve 3.

[0033] One specific application of the embodiment is:

[0034] When the engraving tool head 2 needs to be replaced, the screw 34 is counterclockwise rotated by using the rotating handle 344, so that the arc-shaped limiting block 343 is separated from the inside of the connecting rod one 21, and then the rotating ring 31 is counterclockwise rotated to make the blocking block 313 separated from the connecting rod two 312, so that the gap of the rotating ring 31 is opposite to the position of the connecting rod two 312, and then the engraving tool head 2 is pushed to slide in the limiting block 32 upward, and when the engraving tool head 2 is upward, the conical block 23 will extrude the conical pressing plate 311 to retreat, so that the connecting rod two 312 is exposed in the gap of the rotating ring 31, and when the engraving tool head 2 is upward, the movable conical sleeve 22 will be lifted, and when the movable conical sleeve 22 is lifted to contact the conical push block 33, the conical push block 33 will be extruded to retreat, and when the movable conical sleeve 22 is lifted above the conical push block 33, the conical push block 33 will be popped out under the action of the spring 331, and then the engraving tool head 2 is downward, and the movable conical sleeve 22 will downwardly extrude the conical push block 33 to retreat, and when the movable conical sleeve 22 is downward, the movable conical sleeve 22 and the conical block 23 will contact to form the same plane, so that the conical push block 33 will not block the conical block 23, and the engraving tool head 2 can be separated from the inside of the tool changing sleeve 3, and then the engraving tool head 2 is taken out, the engraving tool head 2 to be replaced is taken, and the engraving tool head 2 is moved upward through the limiting block 32, and the conical block 23 will push the conical push block 33 to retreat, and when the conical block 23 is separated from the conical push block 33, the conical push block 33 will be popped out to contact the bottom of the conical block 23, so that the conical block 23 will not be downward, and then the connecting rod two 312 is pushed to make the conical pressing plate contact the conical block 23, the rotating ring 31 is clockwise rotated, the blocking block 313 is contacted with the connecting rod two 312, the rotating ring 31 is fixed through the threaded ring 315 after being rotated for a distance, the blocking block 313 is contacted with the connecting rod two 312, the fixing of the conical pressing plate 311 and the conical block 23 is completed, the screw 34 is clockwise rotated to make the arc-shaped limiting block 343 enter the inside of the connecting rod one 21, so that the engraving tool head 2 will not shake during engraving.

[0035] In the description of the present specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that those skilled in the art can well understand and use the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. An engraver, comprising an engraver handle (1), the bottom of the engraver handle (1) is fixedly connected with a tool changing sleeve (3), the inner wall left side of the tool changing sleeve (3) is fixedly connected with a limiting ring one (332), characterized in that: The inner wall of the limiting ring one (332) is slidely connected with a limiting rod one (333), the right side of the limiting rod one (333) is fixedly connected with a conical push block (33), the left side and the right side of the inner wall of the tool changing sleeve (3) are fixedly connected with limiting blocks (32), the outer surface of the limiting blocks (32) is slidely connected with engraving tool bits (2), the top of the engraving tool bits (2) is fixedly connected with connecting rods one (21), the top of the connecting rods one (21) is fixedly connected with conical blocks (23), the outer surface of the connecting rods one (21) is slidely connected with movable conical sleeves (22).

2. A graver according to claim 1, wherein The outer surface of the limiting rod one (333) is wound with springs (331), the outer surface of the limiting rod one (333) is fixedly connected with a limiting ring two (334), the inner wall of the tool changing sleeve (3) is rotatably connected with a rotating ring (31), the outer surface of the rotating ring (31) is provided with notches.

3. A graver according to claim 2, wherein The top of the inner wall of the rotating ring (31) is slidely connected with a fixing rod (314), the inner wall of the rotating ring (31) is fixedly connected with a blocking block (313) and a threaded ring (315) respectively.

4. A graver according to claim 3, wherein The right side of the inner wall of the tool changing sleeve (3) is slidely connected with connecting rods two (312), the left side of the connecting rods two (312) is fixedly connected with conical pressing plates (311), the right side of the inner wall of the tool changing sleeve (3) is threadedly connected with screws (34), the left side of the screws (34) is fixedly connected with connecting rods three (341).

5. A graver according to claim 4, wherein The left side of the connecting rods three (341) is fixedly connected with arc-shaped limiting blocks (343), the right side of the arc-shaped limiting blocks (343) is fixedly connected with limiting rods two (342), the right side of the screws (34) is fixedly connected with rotating handles (344).

6. A graver according to claim 3, wherein The left side and the right side of the springs (331) are fixedly connected with the left side of the conical push block (33) and the right side of the limiting ring one (332) respectively, the top of the conical block (23) is in contact with the bottom of the conical pressing plate (311).

7. A graver according to claim 5, wherein The outer surface of the limiting rod two (342) is slidely connected with the right side of the inner wall of the tool changing sleeve (3), the top of the fixing rod (314) is fixedly connected with the inner wall of the tool changing sleeve (3).

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