CN220741243U

CN220741243U - Gear-adjustable art designer knife

Info

Publication number: CN220741243U
Application number: CN202322237694.8U
Authority: CN
Inventors: 庞拓
Original assignee: Shanghai Tuobide Tools Co ltd
Current assignee: Shanghai Tuobide Tools Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-09
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a gear-adjustable art designer knife, which comprises: one end of the shell is provided with a knife outlet, and the other end of the shell is provided with an opening; the bearing structure is provided with a blade and is used for driving the blade to be close to or far away from the knife edge; the first locking structure is movably arranged on the shell, a plurality of gear grooves are sequentially formed in the shell along the length direction, the first locking structure is connected with the bearing structure, and the first locking structure is in lockable fit with the gear grooves; and the storage bin is internally provided with a blade, and the blade is movably arranged through the opening. Through the application of the utility model, the utility knife structure which can adjust gears and is convenient for replacing the knife blade is provided, the stable control of the extending dimension of the knife blade can be realized, the reliability is higher, the knife blade is ensured not to accidentally deviate, and the spare knife blade can be prestored through the storage bin, so that an operator can directly replace the knife blade in the working process.

Description

Gear-adjustable art designer knife

Technical Field

The utility model relates to the technical field of cutters, in particular to a gear-adjustable art designing cutter.

Background

The utility knife is a common knife in daily life, and most of the utility knife adopts a push-pull structure, namely an operator can drive the blade to move in a push-pull mode, so that the distance that the blade extends out of the shell is controlled, and in addition, the tail of the blade is blocked at the corresponding notch position in a push-pull mode, so that locking is formed, such as the traditional Chinese patent ZL201310510209.8.

However, the existing art knife structure still has the problem that the mounting stability of the blade part is poor, and when more force needs to be applied to complete the cutting operation, the blade is easy to shake or even accidentally deviate; at the same time, existing utility knives often require additional blade cartridges that cooperate to house other blades to enable replacement of the utility knife blade according to the needs of the user, but are inconvenient for the operating personnel.

Disclosure of Invention

In view of the above, the present utility model provides an adjustable art knife comprising:

the device comprises a shell, wherein a first accommodating space and a second accommodating space are sequentially formed in the shell along the length direction, one end of the shell is provided with a knife outlet, the knife outlet is communicated with the first accommodating space, the other end of the shell is provided with an opening, and the opening is communicated with the second accommodating space;

the bearing structure is movably arranged in the first accommodating space, a blade is arranged on the bearing structure, and the bearing structure is used for driving the blade to be close to or far away from the knife outlet;

the first locking structure is movably arranged on the shell, a plurality of gear grooves are sequentially formed in the shell along the length direction, the first locking structure is connected with the bearing structure, and the first locking structure is in lockable fit with the gear grooves;

the storage bin is arranged in the second accommodating space, a blade is stored in the storage bin, and the blade is movably arranged through the opening.

In another preferred embodiment, the first locking structure comprises: the gear shifting device comprises a first pressing piece, a limiting block and a first elastic part, wherein one end of the first elastic part is connected with a bearing structure, the other end of the first elastic part is connected with the limiting block, an adjusting opening is formed in the shell along the length direction, the first pressing piece penetrates through the adjusting opening to be connected with the limiting block, and the limiting block is matched with the gear shifting groove.

In another preferred embodiment, the load bearing structure comprises: the blade is arranged in the mounting groove, one end of the second elastic part is connected with the bearing part, the clamping block is connected with the other end of the second elastic part, a clamping groove is formed in the blade, and the clamping block is matched with the clamping groove.

In another preferred embodiment, further comprising: the second pressing piece is used for driving the clamping block to be far away from the clamping groove.

In another preferred embodiment, further comprising: and the second locking structure is arranged on the shell and is used for locking or releasing the storage bin.

In another preferred embodiment, the second locking structure comprises: the movable piece is connected with one end of the third elastic part, the shell is connected with the other end of the third elastic part, and the movable piece is movably propped against the storage bin.

In another preferred embodiment, the storage bin is rotatably mounted at the open mouth.

In another preferred embodiment, the storage bin comprises: the bin body is movably arranged in the second accommodating space, a blade is arranged in the bin body, the connecting piece is connected with the bin body, one end of the fourth elastic part is connected with the connecting piece, and the other end of the fourth elastic part is clamped with the inner wall of the bin body.

In another preferred embodiment, further comprising: and one end of the fifth elastic part is connected with the inner wall of the second accommodating space, and the other end of the fifth elastic part is connected with the bin body.

In another preferred embodiment, a notch is formed at one end of the housing, the opening direction of the notch is perpendicular to the opening direction of the knife-outlet edge, and the blade is movably disposed at the notch.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the utility knife structure which can adjust gears and is convenient for replacing the knife blade is provided, the stable control of the extending dimension of the knife blade can be realized, the reliability is higher, the knife blade is ensured not to accidentally deviate, and the spare knife blade can be prestored through the storage bin, so that an operator can directly replace the knife blade in the working process.

Drawings

FIG. 1 is an overall schematic of an adjustable utility knife of the present utility model;

FIG. 2 is an internal schematic view of an adjustable utility knife according to the present utility model;

FIG. 3 is a partial schematic view of an adjustable utility knife according to the present utility model.

In the accompanying drawings:

1. a housing; 2. a first accommodation space; 3. a second accommodation space; 4. a knife edge is formed; 5. an open mouth; 6. a load bearing structure; 7. a blade; 8. a first locking structure; 9. a gear groove; 10. a storage bin; 11. a first pressing member; 12. a limiting block; 13. a first elastic portion; 14. an adjustment port; 15. a carrier; 16. a clamping block; 17. a second elastic part; 18. a mounting groove; 19. a clamping groove; 20. a second pressing member; 21. a pressing opening; 22. a second locking structure; 23. a moving member; 24. a third elastic portion; 25. a bin body; 26. a connecting piece; 27. a fourth elastic portion; 28. a fifth elastic portion; 29. a notch; 30. and a through hole.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1 and 3, there is shown an adjustable gear art designer knife of a preferred embodiment, comprising: the device comprises a shell 1, wherein a first accommodating space 2 and a second accommodating space 3 are sequentially formed in the shell 1 along the length direction, one end of the shell 1 is provided with a knife outlet 4, the knife outlet 4 is communicated with the first accommodating space 2, the other end of the shell 1 is provided with an opening 5, and the opening 5 is communicated with the second accommodating space 3; the bearing structure 6 is movably arranged in the first accommodating space 2, the blade 7 is arranged on the bearing structure 6, and the bearing structure 6 is used for driving the blade 7 to be close to or far away from the knife outlet 4; the first locking structure 8 is movably arranged on the shell 1, a plurality of gear grooves 9 are sequentially formed in the shell 1 along the length direction, the first locking structure 8 is connected with the bearing structure 6, and the first locking structure 8 is in lockable fit with the gear grooves 9; the storage bin 10, the storage bin 10 sets up in the second accommodation space 3, stores the blade 7 in the storage bin 10, and the blade 7 movably passes through the open 5 setting. Further, the first locking structure 8 can drive the bearing structure 6 to move, so that the blade 7 mounted on the bearing structure 6 moves along with the bearing structure to extend or retract out of the blade edge 4, and forms a blocking lock with the inner wall of the gear groove 9 at the position of the corresponding gear groove 9, thereby stably controlling the extending dimension of the blade 7; by moving the storage compartment 10 at the opening 5, it is possible to combine it with the outer wall of the housing 1 into one piece when it is retracted into the second accommodation space 3, and to allow the user to access the other blades 7 accommodated therein when it is extended out of the opening 5.

Further, as a preferred embodiment, the first locking structure 8 comprises: the gear shifting device comprises a first pressing piece 11, a limiting block 12 and a first elastic part 13, wherein one end of the first elastic part 13 is connected with a bearing structure 6, the other end of the first elastic part 13 is connected with the limiting block 12, an adjusting opening 14 is formed in the shell 1 along the length direction, the first pressing piece 11 penetrates through the adjusting opening 14 to be connected with the limiting block 12, and the limiting block 12 is matched with a gear slot 9. Further, the first pressing member 11 is pressed from top to bottom, so that the vertical dimension of the first elastic portion 13 is reduced, and the stopper 12 is separated from the corresponding gear slot 9 from top to bottom, so as to allow the first pressing member 11 to be driven by a force along the length direction of the first accommodating space 2 to move the bearing structure 6, the first elastic portion 13 is fixedly connected with the bearing structure 6, and when moving to the lower side of other gear slots 9, the first elastic portion 13 returns upwards after the pressing force is removed, and drives the stopper 12 to be blocked with the gear slot 9 again.

Further, as a preferred embodiment, the first elastic portion 13 may preferably be composed of a spring and an axial telescopic rod sleeved inside the spring.

Further, as a preferred embodiment, the gear step groove 9 may be preferably formed by upwardly recessing the top inner wall of the first receiving space 2.

Further, as a preferred embodiment, the upper outer contour of the first pressing piece 11 is larger than the lower outer contour of the first pressing piece 11, and the lower outer contour of the first pressing piece 11 is slidably matched with the inner contour of the adjustment opening 14.

Further, as a preferred embodiment, the carrying structure 6 comprises: the blade 7 is arranged in the mounting groove 18, one end of the second elastic part 17 is connected with the bearing piece 15, the clamping block 16 is connected with the other end of the second elastic part 17, a clamping groove 19 is formed in the blade 7, and the clamping block 16 is matched with the clamping groove 19. Further, in a state in which the second elastic portion 17 is not naturally unfolded by an external force, the clamping block 16 is horizontally pushed by the elastic force of the second elastic portion 17 to pass through the clamping groove 19 of the blade 7, so that the blade 7 is limited in the length direction of the first accommodating space 2, and preferably, one side of the mounting groove 18 close to the knife edge 4 is arranged in an open communication.

Further, as a preferred embodiment, the method further comprises: the second pressing piece 20, one end of the housing 1 is provided with a pressing opening 21, the second pressing piece 20 is movably arranged in the pressing opening 21, and the second pressing piece 20 is used for driving the clamping block 16 to be far away from the clamping groove 19. Further, the second pressing piece 20 is abutted against the clamping block 16, and the second pressing piece 20 can enable the clamping block 16 to move in the horizontal direction and separate from the clamping groove 19 under the action of pressure from the outer side of the pressing opening 21, so that the blade 7 can be freely taken out from the side, close to the blade outlet 4, of the mounting groove 18; accordingly, when the blade 7 needs to be replaced, locking and unlocking of the blade 7 in the carrier structure 6 can be achieved by operation of the second pressing member 20.

Further, as a preferred embodiment, the latch 16 has a certain arc in the horizontal direction on one side close to the latch groove 19, that is, is disposed by an arc surface extending gradually upwards in the horizontal direction close to the latch groove 19, so that when being pressed by the second pressing member 20, the latch can gradually release the locking of the blade 7 until the lowest point of the arc surface facing the blade 7 is higher than the highest point of the upper edge of the blade 7.

Further, as a preferred embodiment, the latch 16 and the latch groove 19 are each provided in groups, preferably two each.

Further, as a preferred embodiment, the clamping groove 19 is arranged in the back direction of the blade 7 away from the cutting edge.

Further, as a preferred embodiment, the method further comprises: a second locking structure 22, the second locking structure 22 being provided on the housing 1, the second locking structure 22 being used for locking or releasing the storage compartment 10. Further, the storage compartment 10 is secured within the housing 1 in the locked state by the provision of the second locking structure 22, and is free to move outwardly away from the second receiving space 3 in the released state.

Further, as a preferred embodiment, the second locking structure 22 includes: and a moving member 23 and a third elastic portion 24, wherein the moving member 23 is connected with one end of the third elastic portion 24, the housing 1 is connected with the other end of the third elastic portion 24, and the moving member 23 is movably arranged against the storage bin 10. Further, the movement of the moving member 23 enables the moving member to approach and abut against the storage bin 10 to form an abutting locking limit, so that the free movement of the storage bin 10 is limited; or by the movement of the mobile element 23 so that it can be moved away from and separated from the storage compartment 10, releasing the storage compartment 10 to allow its own movement.

Further, as a preferred embodiment, the extending direction of the third elastic portion 24 extends along the length direction of the second accommodating space 3, a first blocking wall portion is formed on the moving member 23, a second blocking wall portion is formed on the outer side of the storage bin 10, and the first blocking wall portion and the second blocking wall portion both extend along the length direction of the second accommodating space 3, when in a locked state, the first blocking wall portion abuts against the outer side of the second blocking wall portion to realize movement limitation of the storage bin 10.

In a further embodiment of the utility model, the inner side of the opening 5 is provided with a chute at one end, in which chute the displacement member 23 is slidably mounted.

Further, as a preferred embodiment, the storage bin 10 is rotatably mounted at the open mouth 5. Further, the pivot point of the storage compartment 10 is located at an end remote from the second locking arrangement 22.

Further, as a preferred embodiment, the storage bin 10 includes: the bin body 25, connecting piece 26 and fourth elastic part 27, bin body 25 movably set up in second accommodation space 3, install blade 7 in the bin body 25, connecting piece 26 is connected with bin body 25, and the one end and the connecting piece 26 of fourth elastic part 27 are connected, and the other end and the inner wall centre gripping blade 7 of bin body 25 of fourth elastic part 27. Further, in order to prevent the blade 7 from shaking in the housing 25, the fourth elastic portion 27 is biased toward the inner wall of the housing 25 to clamp the blade 7.

Further, as a preferred embodiment, the cartridge body 25 has at least an outer wall matching the inner contour of the open mouth 5 and an inner wall carrying the blades 7.

Further, as a preferred embodiment, a recess is provided in the middle of the blade 7, and the outer contour of the other end of the fourth elastic portion 27 is matched with the inner contour of the recess to achieve positioning and clamping.

Further, as a preferred embodiment, the fourth elastic portion 27 is provided in a spring structure.

Further, as a preferred embodiment, the method further comprises: and a fifth elastic part 28, wherein one end of the fifth elastic part 28 is connected with the inner wall of the second accommodating space 3, and the other end of the fifth elastic part 28 is connected with the bin body 25. Further, the fifth elastic portion 28 is configured to apply a force to the storage compartment 10 to move outside the opening 5 when the storage compartment 10 is in the released state.

Further, as a preferred embodiment, the other end of the fifth elastic portion 28 is preferably connected to the outer side of the inner wall, and the fifth elastic portion 28 is preferably a spring structure, and the spring is disposed obliquely with respect to the length direction of the second accommodating space 3.

Further, as a preferred embodiment, the spring may be bent in a certain arc at a preset time to apply a restoring elastic force in the rotation direction of the storage compartment 10 at the time of its restoration.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the present utility model, a notch 29 is formed at one end of the housing 1, the opening direction of the notch 29 is perpendicular to the opening direction of the knife edge 4, and the knife blade 7 is movably disposed at the notch 29. Further, when the blade 7 moves to the notch 29, the edge portion of the blade 7 is exposed at the notch 29, and an operator can insert other ropes or the like to be cut into the notch 29 to cut, wherein the exposed objects to be cut can be inserted into the notch 29 from outside to inside without being blocked and contact with the edge of the blade 7, and the edge does not protrude from the outer wall of the housing 1.

In a further embodiment of the utility model, the other end of the housing 1 is provided with a through hole 30. Further, a through hole 30 is provided through the rear of the housing 1 to facilitate hanging of the utility knife.

In a further embodiment of the utility model, the housing 1 comprises a first part and a second part, wherein the first part is internally provided with a first accommodating space 2, the second part is internally provided with a second accommodating space 3, and a non-zero included angle is formed between the first part and the second part.

Further, as a preferred embodiment, the lower side of the second part is provided with a grip having a certain flexibility for the operator's grip, and the opening 5 is provided at the upper side of the second part.

Further, as a preferred embodiment, the adjustment opening 14 is arranged on the upper side of the first part, the notch 29 is arranged on the lower side of the first part, and the outlet blade 4 is arranged on the end of the first part remote from the second part.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. An adjustable utility knife, comprising:

the bearing structure is movably arranged in the first accommodating space, a blade is arranged on the bearing structure, and the bearing structure is used for driving the blade to be close to or far away from the knife outlet; the first locking structure is movably arranged on the shell, a plurality of gear grooves are sequentially formed in the shell along the length direction, the first locking structure is connected with the bearing structure, and the first locking structure is in lockable fit with the gear grooves;

2. The gear shifting utility knife of claim 1, wherein the first locking structure comprises: the gear shifting device comprises a first pressing piece, a limiting block and a first elastic part, wherein one end of the first elastic part is connected with a bearing structure, the other end of the first elastic part is connected with the limiting block, an adjusting opening is formed in the shell along the length direction, the first pressing piece penetrates through the adjusting opening to be connected with the limiting block, and the limiting block is matched with the gear shifting groove.

3. The gear shifting utility knife of claim 2, wherein the carrying structure comprises: the blade is arranged in the mounting groove, one end of the second elastic part is connected with the bearing part, the clamping block is connected with the other end of the second elastic part, a clamping groove is formed in the blade, and the clamping block is matched with the clamping groove.

4. The gear-adjustable utility knife of claim 3, further comprising: the second pressing piece is used for driving the clamping block to be far away from the clamping groove.

5. The gear-adjustable utility knife of claim 1, further comprising: and the second locking structure is arranged on the shell and is used for locking or releasing the storage bin.

6. The gear shifting utility knife of claim 5, wherein the second locking structure comprises: the movable piece is connected with one end of the third elastic part, the shell is connected with the other end of the third elastic part, and the movable piece is movably propped against the storage bin.

7. The gear shifting utility knife of claim 1, wherein the storage bin is rotatably mounted at the open mouth.

8. The gear shifting utility knife of claim 1, wherein the storage bin comprises: the bin body is movably arranged in the second accommodating space, a blade is arranged in the bin body, the connecting piece is connected with the bin body, one end of the fourth elastic part is connected with the connecting piece, and the other end of the fourth elastic part is clamped with the inner wall of the bin body.

9. The gear-adjustable utility knife of claim 8, further comprising: and one end of the fifth elastic part is connected with the inner wall of the second accommodating space, and the other end of the fifth elastic part is connected with the bin body.

10. The gear-adjustable art knife according to claim 1, wherein a notch is formed at one end of the housing, the opening direction of the notch is perpendicular to the opening direction of the outlet edge, and the blade is movably disposed at the notch.