Wood carving knife convenient to store

Abstract

The woodcut knife convenient to store comprises a handle, the handle is a rotating body, a knife sleeve is arranged in the handle in a sliding mode, a knife handle is arranged in the knife sleeve in a sliding mode, one end of a knife rod is fixed to the knife handle, a knife head is fixed to the other end of the knife rod, and the knife handle can be stored in the knife sleeve by arranging the knife handle in the knife sleeve in a sliding mode. The knife handle is further stored in the handle, the knife head is prevented from being exposed when the knife head is not used, the risk of hurting an operator is reduced, the knife head is prevented from being damaged due to collision, the use safety and the durability of the knife head are improved, the knife head can be conveniently locked and unlocked through cooperation of the pushing mechanism, the knife sleeve and the knife handle, and the use is convenient. Due to the fact that related parts for locking and unlocking are arranged inside and behind the handle, the handle is a rotating body and can be conveniently grabbed by the handle, the circumferential positioning structure is arranged on the knife handle, the knife handle can be prevented from rotating in the handle, and the stability of the woodcut knife in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of carving knife, specifically to a wood carving knife convenient to store. BACKGROUND

[0002] The wood carving knife is a tool for wood carving, which comprises a handle, a blade rod and a blade head. The blade head is the core part of the wood carving knife, which is processed into various shapes to adapt to different working conditions. The handle, the blade rod and the blade head of the existing wood carving knife are fixedly connected. When idle, the blade head of the wood carving knife is exposed, which is easy to hurt the operator and damage the blade head due to bumping. Therefore, a wood carving knife convenient to store needs to be designed. SUMMARY

[0003] The utility model discloses a wood carving knife convenient to store, which aims to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wood carving knife convenient to store, comprising a handle, the handle is a rotary body, a blade sleeve is arranged in the handle and slides, a blade handle is arranged in the blade sleeve and slides, one end of the blade handle is fixed with a blade rod, and the other end of the blade rod is fixed with a blade head.

[0005] The direction from the blade handle to the blade head is the front, a positioning table is fixed on the blade handle, which is a front positioning table and a rear positioning table, ball sockets are arranged at the two ends of the blade sleeve, and a front positioning ball and a rear positioning ball are arranged in the ball sockets, the positioning balls can contact the positioning tables.

[0006] Two limiting structures are arranged at the two ends of the handle, which are a front limiting structure and a rear limiting structure, a pushing mechanism is arranged at the rear of the handle, the pushing mechanism can push the blade sleeve, when the front positioning ball of the blade sleeve moves to the front limiting structure, the rear positioning ball moves to the rear limiting structure at the same time, when the positioning balls are in the limiting structures, the limiting structures extrude the positioning balls to the center of the blade sleeve.

[0007] A circumferential positioning structure is arranged on the blade handle, which can prevent the blade handle from rotating in the handle.

[0008] Preferably, the circumferential positioning structure comprises a positioning pin, the positioning pin is arranged between the front positioning table and the rear positioning table on the blade handle and slides, and the sliding direction of the positioning pin is perpendicular to the axis of the blade handle.

[0009] A limiting groove is arranged in the handle, the direction of the limiting groove is parallel to the axis of the handle, and the positioning pin slides in the limiting groove.

[0010] A giving-way groove is arranged on the blade sleeve, the direction of the giving-way groove is parallel to the axis of the blade sleeve, and the positioning pin slides in the giving-way groove.

[0011] Preferably, the two limiting structures are steps, and a retreat groove is formed at the rear of each step, and the positioning ball can move away from the center of the knife sleeve when being in the retreat groove.

[0012] Preferably, the step of the front limiting structure is fixed on the front end cover, the front end cover is threadedly connected to the front of the handle, and a clearance hole is formed at the center of the front end cover, and the tool bit can pass through the clearance hole.

[0013] Preferably, a hexagonal head is fixed at the front of the front end cover.

[0014] Preferably, the step of the rear limiting structure is fixed in the handle.

[0015] Preferably, the pushing mechanism comprises a rear end cover, the rear end cover is threadedly connected to the rear of the handle, a pushing sleeve is fixed at the front of the rear end cover, the pushing sleeve can contact the knife sleeve, and a handle is fixed on the rear end cover.

[0016] Preferably, a rope hole is formed on the rear end cover, one end of a rope is fixed at the rear of the knife sleeve, and the other end of the rope is fixed on the rear end cover.

[0017] Preferably, the handle is cylindrical.

[0018] Preferably, the handle is a gourd shape.

[0019] Compared with the prior art, the utility model has the beneficial effects that: the knife handle is arranged to slide in the knife sleeve, the knife handle can be stored in the knife sleeve, and then the knife handle can be stored in the handle, the tool bit is prevented from being exposed when being idle, the risk of hurting the operator is reduced, the tool bit is prevented from being damaged due to collision, and the use safety and the tool bit durability are improved.

[0020] When the tool bit is used, the knife handle is first moved to the front limiting structure, then the knife sleeve is moved by the pushing mechanism, the front positioning ball on the knife sleeve is moved to the front limiting structure, the positioning ball is extruded to the center of the knife sleeve, the front positioning ball contacts the front positioning platform, the front positioning ball blocks the retreat route of the front positioning platform, and the tool bit is locked at the extended position.

[0021] When the tool bit is stored, the knife handle is first moved to the rear limiting structure, then the knife sleeve is moved by the pushing mechanism, the rear positioning ball on the knife sleeve is moved to the rear limiting structure, the positioning ball is extruded to the center of the knife sleeve, the rear positioning ball contacts the rear positioning platform, the rear positioning ball blocks the advance route of the rear positioning platform, and the tool bit is locked at the retracted position.

[0022] When the locking is released, the pushing mechanism is first separated from the knife sleeve, then the knife sleeve is moved away from the limiting structure, the positioning ball can no longer block the movement of the positioning platform, and the locking is released.

[0023] The locking and unlocking of the tool bit can be completed by the cooperation of the pushing mechanism, the tool sleeve and the tool handle.

[0024] The locking and unlocking related parts are arranged inside and at the rear of the handle, and the handle is a rotary body, so the handle is easy to grip.

[0025] The circumferential positioning structure arranged on the tool handle can prevent the tool handle from rotating in the handle, thereby improving the stability of the wood carving knife during use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is an axonometric view of the embodiment one of the utility model;

[0027] Figure 2 It is an exploded view of the embodiment one of the utility model;

[0028] Figure 3 It is a sectional view of the embodiment one of the utility model in the front view direction;

[0029] Figure 4 It is a sectional view of the embodiment one of the utility model in the axonometric direction;

[0030] Figure 5 It is an axonometric view of the embodiment two of the utility model.

[0031] In the drawing: 1, handle, 2, tool sleeve, 3, tool handle, 4, tool rod, 5, tool bit, 6, front positioning table, 7, rear positioning table, 8, front positioning ball, 9, rear positioning ball, 10, front limiting structure, 11, rear limiting structure, 12, ball socket, 13, avoiding groove, 14, front end cover, 15, accommodation hole, 16, hexagonal head, 20, circumferential positioning structure, 21, positioning pin, 22, limiting groove, 23, accommodation groove, 30, pushing mechanism, 31, rear end cover, 32, pushing sleeve, 33, handle, 34, rope hole, 35, rope. DETAILED DESCRIPTION

[0032] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Embodiment one: the utility model provides a technical scheme: a wood carving knife convenient to store, like Figure 1 、 2As shown, including handle 1, the handle 1 is a rotating body, handle 1 in the sliding set with knife sleeve 2, knife sleeve 2 in the sliding set with knife handle 3, knife handle 3 on one end of the fixed knife rod 4, the other end of the knife rod 4 is fixed with the knife head 5.

[0034] By setting the knife handle 3 in the knife sleeve 2, the knife handle 3 can be stored in the knife sleeve 2, and then the knife handle 3 is stored in the handle 1, avoiding the knife head 5 exposed when idle, not only reduces the risk of injury to the operator, but also prevents the knife head 5 from being damaged due to impact, improves the safety and durability of the knife head 5.

[0035] As shown in Figure 2 , 3 The direction from the knife handle 3 to the knife head 5 is the front, the knife handle 3 is fixed with the positioning table, respectively, the front positioning table 6 and the rear positioning table 7, the two ends of the knife sleeve 2 are provided with ball socket 12, the ball socket 12 is provided with positioning ball, respectively, the front positioning ball 8 and the rear positioning ball 9, the positioning ball can contact with the positioning table.

[0036] As shown in Figure 2 , 3 The two ends of the handle 1 are provided with two limiting structures, respectively, the front limiting structure 10 and the rear limiting structure 11, the rear of the handle 1 is provided with a pushing mechanism 30, the pushing mechanism 30 can push the knife sleeve 2, when the front positioning ball 8 of the knife sleeve 2 moves to the front limiting structure 10, the rear positioning ball 9 moves to the rear limiting structure 11 at the same time, when the positioning ball is in the limiting structure, the limiting structure extrudes the positioning ball to the center direction of the knife sleeve 2.

[0037] When the knife head 5 is extended, first move the knife handle 3 to the front limiting structure 10, then move the knife sleeve 2 by the pushing mechanism 30, and then move the front positioning ball 8 on the knife sleeve 2 to the front limiting structure 10, and then extrude the positioning ball to the center direction of the knife sleeve 2, and then make the front positioning ball 8 contact the front positioning table 6, and then make the front positioning ball 8 block the rear route of the front positioning table 6, and then lock the knife head 5 in the extended position.

[0038] When the knife head 5 is retracted, first move the knife handle 3 to the rear limiting structure 11, then move the knife sleeve 2 by the pushing mechanism 30, and then move the rear positioning ball 9 on the knife sleeve 2 to the rear limiting structure 11, and then extrude the positioning ball to the center direction of the knife sleeve 2, and then make the rear positioning ball 9 contact the rear positioning table 7, and then make the rear positioning ball 9 block the forward route of the rear positioning table 7, and then lock the knife head 5 in the retracted position.

[0039] When the lock is released, first make the pushing mechanism 30 separate from the knife sleeve 2, and then move the knife sleeve 2 away from the limiting structure, so that the positioning ball can no longer block the movement of the positioning table, and then release the lock.

[0040] The locking and unlocking of the tool bit 5 is facilitated by the cooperation of the pushing mechanism 30, the tool sleeve 2 and the tool handle 3.

[0041] The locking and unlocking related parts are arranged inside and at the rear of the handle 1, and the handle 1 is a rotating body, so the handle 1 is easy to grip.

[0042] As shown in Figure 3 , the tool handle 3 is provided with a circumferential positioning structure 20, which can prevent the tool handle 3 from rotating in the handle 1.

[0043] The tool handle 3 is provided with a circumferential positioning structure 20, which can prevent the tool handle 3 from rotating in the handle 1, thereby improving the stability of the wood carving knife during use.

[0044] As shown in Figure 2 , 3 , the circumferential positioning structure 20 includes a positioning pin 21, which is slidingly arranged between the front positioning table 6 and the rear positioning table 7 on the tool handle 3, and the sliding direction of the positioning pin 21 is perpendicular to the axis of the tool handle 3.

[0045] The positioning pin 21 is slidingly arranged on the tool handle 3, and during production and manufacturing, the tool handle 3 and the positioning pin 21 can be machined separately, thereby improving the processability of the tool handle 3.

[0046] As shown in Figure 4 , a limiting groove 22 is formed in the handle 1, the direction of the limiting groove 22 is parallel to the axis direction of the handle 1, and the positioning pin 21 is slidingly arranged in the limiting groove 22.

[0047] As shown in Figure 4 , a let-in groove 23 is formed in the tool sleeve 2, the direction of the let-in groove 23 is parallel to the axis direction of the tool sleeve 2, and the positioning pin 21 is slidingly arranged in the let-in groove 23.

[0048] As shown in Figure 3 , 4 , both limiting structures are steps, and an avoiding groove 13 is formed at the rear of each step, and when the positioning ball is in the avoiding groove 13, the positioning ball can move away from the center of the tool sleeve 2.

[0049] As shown in Figure 3 , 4 , the step of the front limiting structure 10 is fixed on the front end cover 14, the front end cover 14 is threadedly connected to the front of the handle 1, and the center of the front end cover 14 is provided with a let-in hole 15, and the tool bit 5 can pass through the let-in hole 15.

[0050] The front end cover 14 protects the parts in the handle 1, and since the step of the front limiting structure 10 is fixed on the front end cover 14, the machining amount of the handle 1 can be reduced during production and manufacturing, thereby improving the processability of the handle 1.

[0051] As Figure 4 shown, the front end cover 14 is fixed with a hexagonal head 16 in front, which facilitates the use of wrench disassembly.

[0052] As Figure 3 , 4 shown, the rear limiting structure 11 is fixed in the handle 1.

[0053] As Figure 3 , 4 shown, the push mechanism 30 includes a rear end cover 31, which is screwed at the rear of the handle 1, and the rear end cover 31 is fixed with a push sleeve 32 in front, which can contact the knife sleeve 2, and the rear end cover 31 is fixed with a handle 33.

[0054] The rotation of the handle 33 can drive the rear end cover 31 to rotate, and then drive the push sleeve 32 to rotate, and then drive the knife sleeve 2 to move.

[0055] As Figure 3 , 4 shown, the rear end cover 31 is provided with a rope hole 34, and one end of a rope 35 is fixed at the rear of the knife sleeve 2, and the other end of the rope 35 is fixed on the rear end cover 31. Through the rope 35, the knife sleeve 2 is convenient to be pulled to the rear of the handle 1, and the knife sleeve 2 is convenient to be controlled. After the cutting head 5 is locked, the rope 35 is convenient for carrying the handle 1.

[0056] As Figure 1 shown, the handle 1 is cylindrical, which is convenient for processing the handle 1 during production and manufacturing.

[0057] Working process: when the cutting head 5 is extended, first move the knife handle 3 to the front limiting structure 10, then move the knife sleeve 2 by the push mechanism 30, and then move the front positioning ball 8 on the knife sleeve 2 to the front limiting structure 10, and then make the positioning ball extrude to the center direction of the knife sleeve 2, and then make the front positioning ball 8 contact the front positioning table 6, and then make the front positioning ball 8 block the rear route of the front positioning table 6, and then lock the cutting head 5 in the extended position.

[0058] When the extension is unlocked, first make the push mechanism 30 separate from the knife sleeve 2, then rotate the handle 1, make the handle 1 vertically downward at the rear, and the knife sleeve 2 and the knife handle 3 move to the rear of the handle 1 under the action of gravity, and then make the front positioning ball 8 on the knife sleeve 2 move to the avoidance groove 13, so that the front positioning ball 8 can no longer block the movement of the front positioning table 6, and then unlock.

[0059] When the tool head 5 is retracted, the handle 1 is rotated, the handle 1 is vertically downward at the rear, the tool cover 2 and the tool handle 3 are moved to the rear of the handle 1 under the action of gravity, the tool cover 2 reaches the rear of the handle 1 first, then the tool handle 3 moves to the rear of the handle 1, and then the front positioning table 6 is first driven to open the front positioning ball 8, then the rear positioning table 7 is driven to open the rear positioning ball 9, and then the tool handle 3 is moved to the rear of the handle 1, then the tool cover 2 is moved by the pushing mechanism 30, and then the rear positioning ball 9 on the tool cover 2 is moved to the rear limiting structure 11, and then the positioning ball is extruded to the center direction of the tool cover 2, and then the rear positioning ball 9 contacts the rear positioning table 7, and then the rear positioning ball 9 blocks the forward route of the rear positioning table 7, and then the tool head 5 is locked in the retracted position.

[0060] When the retraction locking is released, the pushing mechanism 30 is first separated from the tool cover 2, then the rope 35 is pulled, the tool cover 2 is kept at the rear of the handle 1, and then the rear positioning ball 9 on the tool cover 2 is kept at the avoiding groove 13, so that the rear positioning ball 9 can no longer block the movement of the rear positioning table 7, and then the handle 1 is rotated, the front of the handle 1 is vertically downward, the tool handle 3 is moved to the front of the handle 1 under the action of gravity, and then the locking is released.

[0061] With the continuous movement of the tool handle 3, the rear positioning table 7 is first driven to open the rear positioning ball 9, then the front positioning table 6 is driven to open the front positioning ball 8, and then the tool handle 3 is moved to the front of the handle 1, and the extension work of the tool head 5 is completed.

[0062] Embodiment two: as shown in the figure, the handle 1 is a gourd shape, which is convenient for the operator to hold. Figure 5

[0063] The remaining features are the same as those of embodiment one.

[0064] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.​

Claims

1. A wood carving knife for convenient storage, characterized by: The utility model provides a kind of knife handle, including handle (1), the handle (1) is rotary body, handle (1) inside sliding is equipped with knife cover (2), knife cover (2) inside sliding is equipped with knife handle (3), one end of knife handle (3) is fixed with knife rod (4), the other end of knife rod (4) is fixed with tool bit (5); With the direction from knife handle (3) to tool bit (5) as front, knife handle (3) is fixed with locating platform, respectively front locating platform (6) and rear locating platform (7), both ends of knife cover (2) are provided with ball socket (12), ball socket (12) is provided with locating ball, respectively front locating ball (8) and rear locating ball (9), and locating ball can contact with locating platform; Two ends in handle (1) are provided with two limit structures, respectively front limit structure (10) and rear limit structure (11), rear of handle (1) is provided with push mechanism (30), push mechanism (30) can push knife cover (2), when front locating ball (8) of knife cover (2) moves to front limit structure (10), rear locating ball (9) moves to rear limit structure (11) simultaneously, when locating ball is at limit structure, limit structure extrudes locating ball to the direction of center of knife cover (2); Knife handle (3) is provided with circumferential locating structure (20), circumferential locating structure (20) can prevent knife handle (3) from rotating in handle (1).

2. The wood carving knife of easy storage according to claim 1, characterized in that: Circumferential locating structure (20) includes locating pin (21), the locating pin (21) is slidably arranged between front locating platform (6) and rear locating platform (7) on knife handle (3), and the sliding direction of the locating pin (21) is perpendicular to the axis of the knife handle (3); A limiting groove (22) is formed in the handle (1), and the direction of the limiting groove (22) is parallel to the axis direction of the handle (1), and the locating pin (21) is slidably arranged in the limiting groove (22); A giving-way groove (23) is formed in the knife cover (2), and the direction of the giving-way groove (23) is parallel to the axis direction of the knife cover (2), and the locating pin (21) is slidably arranged in the giving-way groove (23).

3. The wood carving knife of claim 1, wherein: Both limit structures are steps, and an avoiding groove (13) is formed at the rear of each step, and the locating ball can move away from the center of the knife cover (2) when the locating ball is in the avoiding groove (13).

4. The wood carving knife of claim 3, wherein: The step of the front limit structure (10) is fixed on a front end cover (14), the front end cover (14) is threadedly connected to the front of the handle (1), and a giving-way hole (15) is formed in the center of the front end cover (14), and the tool bit (5) can pass through the giving-way hole (15).

5. The wood carving knife of claim 4, wherein: A hexagonal head (16) is fixed to the front of the front end cover (14).

6. The wood carving knife of claim 3, wherein: The step of the rear limit structure (11) is fixed in the handle (1).

7. The wood carving knife of claim 1, wherein: The push mechanism (30) includes a rear end cover (31), the rear end cover (31) is threadedly connected to the rear of the handle (1), a push sleeve (32) is fixed to the front of the rear end cover (31), the push sleeve (32) can contact the knife cover (2), and a handle (33) is fixed to the rear end cover (31).

8. The wood carving knife of claim 7, wherein: A rope hole (34) is formed in the rear end cover (31), one end of a rope (35) is fixed to the rear of the knife cover (2), and the other end of the rope (35) is fixed to the rear end cover (31).

9. The wood carving knife of claim 1, wherein: The handle (1) is cylindrical.

10. The wood carving knife of claim 1, wherein: The handle (1) is a gourd shape.

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