CN217992567U - Cutter with lock - Google Patents

Abstract

The utility model relates to the technical field of cutters, in particular to a cutter with a lock, which comprises a first handle, a blade, a cutter holder and a second handle which are arranged in sequence, wherein the cutter holder is detachably connected with the blade and is slidably connected with the first handle and/or the second handle, and the first handle is also detachably connected with the second handle; the handle structure comprises a first handle and a second handle, and is characterized by further comprising a locking structure, wherein the locking structure is arranged at the end part of the first handle and the second handle and is positioned between the first handle and the second handle, the locking structure is rotatably connected with the first handle or the second handle, a first limiting part is arranged on the locking structure, a second limiting part is arranged on the first handle or the second handle, and the first limiting part can be clamped and limited with the second limiting part. The utility model discloses an overcome current cutter and can't observe the problem whether to lock directly perceivedly, provide a area lock cutter, can follow the cutter outside and judge whether the cutter locks directly perceivedly to prevent the unexpected roll-off of cutter under non-user state, cause the harm to the human body.

Description

Cutter with lock

Technical Field

The utility model relates to a cutter technical field, more specifically relates to a area lock cutter.

Background

The convenient cutters on the market are not protected by opening and closing some cutters, have potential safety hazards, and are not portable enough due to protection measures.

The prior patent discloses a but quick locking and dielectric paper sword of unblock through set up locking structure at the blade afterbody, can unblock fast through promoting to push away the button, promotes the sliding lock and can lock fast, but its locking and unblock all are inside the cutter, can't see directly perceivedly from the cutter outside that the cutter is in locking or unlocking state.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that whether locks can't be observed directly perceivedly to current cutter, providing a area lock cutter, can follow the cutter outside and judge directly perceivedly whether the cutter locks to prevent the unexpected roll-off of cutter under non-user state, cause the harm to the human body.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cutter with a lock comprises a first handle, a blade, a cutter holder and a second handle which are sequentially arranged, wherein the cutter holder is detachably connected with the blade and is in sliding connection with the first handle and/or the second handle, and the first handle is also detachably connected with the second handle; the handle structure comprises a first handle and a second handle, and is characterized by further comprising a locking structure, wherein the locking structure is arranged at the end part of the first handle and the second handle and is positioned between the first handle and the second handle, the locking structure is rotatably connected with the first handle or the second handle, a first limiting part is arranged on the locking structure, a second limiting part is arranged on the first handle or the second handle, and the first limiting part can be in clamping connection with the second limiting part for limiting.

In the above scheme, the blade is arranged on the cutter holder, and is in sliding connection with the first handle or the second handle through the cutter holder, so that the blade can move relative to the first handle and the second handle, and the blade can be hidden in the first handle and the second handle in a non-use state, and can protrude out of the end parts of the first handle and the second handle in a use state; the locking structure is used for locking the blade, installs the locking structure through the front end at first handle or second handle, utilizes the locking structure to block the blade, and the blade can't cross the locking structure, makes the blade under non-user state, hides all the time within first handle and second handle, can't bulge first handle and second handle to this formation is to the locking of blade, makes the cutter have certain safeguard function, prevents the unexpected injury that the blade caused under non-user state. Specifically, the first limiting part on the locking structure is clamped and locked with the second limiting part on the first handle or the second handle, so that the locking structure is perpendicular to the first handle and the second handle, and physical resistance is formed for forward movement of the blade. The locking structure can rotate relative to the first handle or the second handle, so that when the blade is needed to be used, the first limiting part is separated from the second limiting part by rotating the locking structure, and in the unlocking process, the locking structure is positioned on the outer sides of the end parts of the first handle and the second handle, so that the physical blocking of the locking structure on the blade is also removed, the blade can move forwards relative to the first handle or the second handle and further protrudes out of the first handle and the second handle, and the cutting function of the blade is realized. Can rotate locking structure to with first handle and second handle length direction the same, then hide between first handle and second handle, through locking structure's position, can judge directly perceivedly whether the cutter locks to remind the user in time to lock when non-user state, prevent that the blade from hindering the people.

Furthermore, the locking structure is arranged on the second handle and is connected with the second handle in a rotating manner, and the second limiting piece is also arranged at the end part of the second handle. The accessible sets up the pivot on the second handle, through inserting the locking structure with the pivot, makes the locking structure rotate for the pivot, and then through swing locking structure, realizes the regulation of locking structure position, makes first locating part can with second locating part joint, or makes first locating part can leave second locating part, accomplishes locking or the unblock of locking structure to the blade. Of course, the locking structure may be disposed on the first handle, where the first handle is opposite to the second handle, and the position of the handle is not particularly limited.

Furthermore, the first limiting part is a groove, the second limiting part is a protrusion, and the protrusion can be clamped with the groove. The first limiting member may be a protrusion, and the second limiting member may be a groove. Furthermore, the bulge is arranged into an arc shape, so that the bulge and the groove can be smoothly transited when being clamped or released.

Furthermore, a sliding groove is formed in the second handle, a sliding block is arranged at the bottom of the tool apron, and the sliding block is inserted into the sliding groove and is in sliding connection with the sliding groove. The sliding connection between the tool apron and the second handle is realized through the matching of the sliding block and the sliding groove, and the tool apron is used for driving the blade to move back and forth relative to the sliding of the second handle so as to protrude the end part of the first handle and the second handle or be hidden between the second handle and the first handle.

Furthermore, the second handle is also provided with an elastic sheet, the elastic sheet is provided with a first limiting part, the bottom of the tool apron is provided with a second limiting part, and the second limiting part can be abutted and limited with the first limiting part in the process of sliding relative to the second handle so as to provide a pause clamping feeling. When the tool apron is pushed, the elastic sheet is squeezed, so that the elastic sheet is contracted, and the tool apron can conveniently slide relative to the second handle; when the tool apron is loosened, the elastic sheet is reset by utilizing the elasticity of the elastic sheet; after the elastic piece is reset, the first limiting part is abutted and limited with the second limiting part, so that the tool apron is stopped at the position and does not change, and relative locking is formed. Preferably, the second limiting portion can be in a wave shape, the first limiting portion is in a circular arc shape or in a shape matched with the wave shape of the second limiting portion, and each wave crest of the second limiting portion can be clamped and limited with the first limiting portion, so that the tool apron has slight clamping and pause feeling when being pushed, and different locking positions of the tool apron are prompted to a user.

Furthermore, a first through hole is formed in the second handle, the elastic sheet is arranged in the first through hole, one end of the elastic sheet is connected with the second handle, and the other end of the elastic sheet is a cantilever end. Through the application of force to the cantilever end of the elastic sheet, the elastic sheet can swing up and down relative to the second handle, so that the elastic sheet can be conveniently avoided when the tool apron slides, and the second limiting part and the first limiting part are abutted and limited to form the locking of the tool apron when the tool apron slides and stops.

Further, the tool rest further comprises a fastener, a second through hole is formed in the first handle, and the fastener penetrates through the second through hole and the blade in sequence and then is in threaded connection with the tool apron. The fastener is used for connecting the blade with the blade holder and locking the blade on the blade holder. The end of the fastener protrudes out of the first handle or the end of the fastener is flush with the upper surface of the first handle, so that the blade and the cutter holder are convenient to lock from the outer side, and the blade can be convenient to replace. Specifically, the fastener may be a screw, the locking structure may be rotated to separate the first limiting member from the second limiting member to release the blocking of the blade, and then the fastener is loosened, so that the blade may be taken out from the end portions of the first handle and the second handle and then replaced with a new blade, and after the new blade is replaced, the fastener is locked to fix the new blade on the tool apron.

Further, the end part, close to the locking structure, of the first handle is provided with a notch convenient for poking the locking structure. The notch is arranged to enable the locking structure to be exposed from the notch under the condition that the locking structure blocks the blade, so that force can be applied to the locking structure, the locking structure can rotate relative to the second handle, and the blocking of the blade is removed. Furthermore, a notch is also formed in the side portion, close to the locking structure, of the first handle, which is rotatably connected with the second handle, so that the locking structure can be conveniently pulled by the locking structure in an unlocking state, and the locking structure can rotate relative to the second handle to return to a locking position from an unlocking position.

Furthermore, still install on the blade holder and dial the piece, be equipped with joint portion on the blade, dial piece one end and expose in first handle and second handle lateral part, the other end with joint portion joint. The setting of the poking block can be convenient for pushing the tool apron, so that the tool apron can drive the blade to slide relative to the first handle and the second handle, the blade is convenient to protrude out of the first handle and the second handle, or the blade is convenient to hide between the first handle and the second handle.

Further, the end of the first handle and/or the second handle far away from the locking structure is provided with a hook-shaped hanging part. The hook-shaped suspension portion may facilitate the suspension of the tool.

The utility model has the advantages as follows:

the utility model discloses a cutter with lock can form physics through the locking structure and block the blade at cutter non-user state, prevents the first handle of blade roll-off and second handle tip, makes the blade hide in first handle and second handle all the time to form the safeguard function to the cutter, avoid the cutter under non-user state, the unexpected injury that causes. The locking structure can be rotated to release the blocking of the blade, so that the blade can protrude out of the end parts of the first handle and the second handle in a normal use state. Whether the cutter is in a locked state or not can be visually judged through the position of the locking structure; when the cutter is locked, the locking structure is vertical to the length directions of the first handle and the second handle, the locking structure is integrally positioned at the end parts of the first handle and the second handle, only one end of the locking structure is positioned between the first handle and the second handle, and the other end of the locking structure is completely exposed out of the first handle and the second handle in the unlocking process of the cutter; when the cutter is completely unlocked, the locking structure is the same as the first handle and the second handle in the length direction, and the whole locking structure is positioned on the side part between the first handle and the second handle.

Drawings

Fig. 1 is an exploded structural view of the cutter with lock of the present invention.

Fig. 2 is a structural diagram of the cutter with the lock in the locked state according to the embodiment of the present invention.

Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a structural diagram of the cutter with lock in the unlocking process of the invention.

Fig. 5 is a structural diagram of the cutter with lock in the use process of the invention.

Fig. 6 is a view of fig. 2 with the second handle removed.

Fig. 7 is a view of fig. 5 with the second handle removed.

Fig. 8 is a block diagram of another perspective of fig. 2.

Fig. 9 is a sectional view B-B of fig. 8.

Wherein the graphic symbols are as follows:

1. a first handle; 11. a second through hole; 12. a notch; 2. a blade; 21. a clamping part; 3. a tool apron; 31. a slider; 32. a second limiting part; 33. a shifting block; 4. a second handle; 41. a second limit piece; 42. a chute; 43. a spring plate; 431. a first limiting part; 44. a first through hole; 5. a locking structure; 51. a first limit piece; 6. a fastener; 7. a hook-shaped hanging part.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations of the present patent, and specific meanings of the above terms can be understood according to specific situations by those of ordinary skill in the art.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

Fig. 1 to 9 show an embodiment 1 of a cutter with a lock, which includes a first handle 1, a blade 2, a tool holder 3, and a second handle 4, which are sequentially disposed, wherein the tool holder 3 is detachably connected to the blade 2, and is slidably connected to the first handle 1 and/or the second handle 4, and the first handle 1 is also detachably connected to the second handle 4; the handle structure comprises a first handle 1 and a second handle 4, and is characterized by further comprising a locking structure 5, wherein the locking structure 5 is arranged at the end parts of the first handle 1 and the second handle 4 and is positioned between the first handle 1 and the second handle 4, the locking structure 5 is rotatably connected with the first handle 1 or the second handle 4, a first limiting piece 51 is arranged on the locking structure 5, a second limiting piece 41 is arranged on the first handle 1 or the second handle 4, and the first limiting piece 51 can be clamped and limited with the second limiting piece 41.

As a modification of the present embodiment, the locking structure 5 is provided on the second handle 4 and is rotatably connected to the second handle 4, and the second stopper 41 is also provided at the end of the second handle 4. Specifically, the first limiting member 51 may be disposed at the top of the locking structure 5, and the second limiting member 41 is disposed at the top of the first handle 1 and the second handle 4 facing inward; the first limiting member 51 may be disposed at the bottom of the locking structure 5, and the second limiting member 41 may be correspondingly disposed at the top of the second handle 4 opposite to the first handle 1; the first limiting member 51 may be further disposed at an end of the locking structure 5 away from the end rotatably connected to the second handle 4, and the second limiting member 41 may be correspondingly disposed at a side portion of the first handle 1 or the second handle 4, so that the first limiting member 51 and the second limiting member 41 can be clamped for limiting. The first limiting member 51 is a groove, and the second limiting member 41 is a protrusion, which can be engaged with the groove.

As a modification of the present embodiment, a slide groove 42 is provided on the second handle 4, a slide block 31 is provided at the bottom of the tool holder 3, and the slide block 31 is inserted into the slide groove 42 and slidably connected to the slide groove 42. Through the sliding connection between the sliding block 31 and the sliding groove 42, the tool apron 3 moves back and forth relative to the second handle 4, and then the blade 2 is driven to move back and forth, so that the blade 2 can be freely switched between the use state and the non-use state. It is also possible to provide the first handle 1 with a slide 42 within the scope of the person skilled in the art. Furthermore, the second handle 4 is further provided with an elastic sheet 43, the elastic sheet 43 is provided with a first limiting portion 431, the bottom of the tool apron 3 is provided with a second limiting portion 32, and the second limiting portion 32 can be abutted and limited with the first limiting portion 431 in the process of sliding relative to the second handle 4 so as to provide a click feeling. The first limiting part 431 can be a protrusion, the second limiting part 32 can be a plurality of grooves, the tool apron 3 can slide smoothly by extruding the elastic sheet 43 in the sliding process of the tool apron 3, but when the tool apron 3 is loosened, the first limiting part 431 can clamp or abut against the second limiting part 32 for limiting, so that the tool apron 3 can be kept at the original position and cannot change; when the tool holder 3 stops sliding or is ready to start sliding, the first position-limiting portion 431 limits the position of the second position-limiting portion 32, so that a click feeling is generated, and the feedback effect and the auxiliary fixing effect are realized in the process of pushing the tool holder 3. Preferably, the second position-limiting portion 32 may have a wave-shaped structure.

Furthermore, the second handle 4 is provided with a first through hole 44, the elastic sheet 43 is installed in the first through hole 44, one end of the elastic sheet 43 is connected with the second handle 4, and the other end is a cantilever end. Through setting the elastic sheet 43 to be a cantilever structure, the elastic sheet 43 can swing relative to the second handle 4 conveniently, so that the contact area of the tool apron 3 and the elastic sheet 43 in the sliding process is smaller, and further the friction resistance is reduced, and the tool apron 3 can slide conveniently.

As a modified solution of this embodiment, the end of the first handle 1 close to the locking structure 5 is provided with a notch 12 for shifting the locking structure 5. Furthermore, another notch 12 is also provided at a position corresponding to the notch 12 at the end of the second handle 4 close to the locking structure 5, so as to apply force to both sides of the locking structure 5, so that the locking structure 5 can rotate relative to the second handle 4 to release the blocking of the blade 2.

As an improved scheme of this embodiment, the tool apron 3 is further provided with a toggle block 33, the blade 2 is provided with a clamping portion 21, one end of the toggle block 33 is exposed at the side portions of the first handle 1 and the second handle 4, and the other end is clamped with the clamping portion 21. Preferably, the outer side of the toggle block 33 is further provided with anti-slip lines, which is convenient for pushing the toggle block 33 to drive the tool holder 3 and the blade 2 to slide relative to the first handle 1 and the second handle 4.

Example 2

Following does the utility model relates to an embodiment 2 of area lock cutter, this embodiment is similar with embodiment 1, and the institute difference lies in, still includes fastener 6, has seted up second through-hole 11 on the first handle 1, fastener 6 pass in proper order behind second through-hole 11 and the blade 2 with 3 threaded connection of blade holder. The fastener 6 is used for locking and fixing the blade 2 on the tool apron 3; by providing the fastener 6 as an exposed structure, loosening or tightening of the fastener 6 is facilitated to facilitate replacement of the blade 2.

Example 3

The following is embodiment 3 of the present invention, which is similar to embodiment 1, except that the end of the first handle 1 and/or the second handle 4 away from the locking structure 5 is provided with a hook-shaped hanging portion 7. The provision of the hook-like suspension portion 7 may facilitate the suspended placement of the tool.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A cutter with a lock comprises a first handle (1), a blade (2), a cutter holder (3) and a second handle (4) which are sequentially arranged, wherein the cutter holder (3) is detachably connected with the blade (2) and is in sliding connection with the first handle (1) and/or the second handle (4), and the first handle (1) is also detachably connected with the second handle (4); the handle structure is characterized by further comprising a locking structure (5), the locking structure (5) is arranged at the end part of the first handle (1) and the second handle (4) and is located between the first handle (1) and the second handle (4), the locking structure (5) is rotatably connected with the first handle (1) or the second handle (4), a first limiting part (51) is arranged on the locking structure (5), a second limiting part (41) is arranged on the first handle (1) or the second handle (4), and the first limiting part (51) can be in clamping connection with the second limiting part (41) for limiting.

2. The cutter with lock according to claim 1, characterized in that the locking structure (5) is provided on the second handle (4) and is rotatably connected with the second handle (4), and the second retaining member (41) is also provided at the end of the second handle (4).

3. The cutter with lock according to claim 2, characterized in that the first retaining member (51) is a groove and the second retaining member (41) is a protrusion, and the protrusion can be engaged with the groove.

4. The cutter with lock according to any one of claims 1 to 3, wherein a sliding groove (42) is arranged on the second handle (4), a sliding block (31) is arranged at the bottom of the cutter holder (3), and the sliding block (31) is inserted into the sliding groove (42) and is connected with the sliding groove (42) in a sliding manner.

5. The cutter with the lock according to claim 4, wherein the second handle (4) is further provided with an elastic sheet (43), the elastic sheet (43) is provided with a first limiting portion (431), the bottom of the cutter holder (3) is provided with a second limiting portion (32), and the second limiting portion (32) can be abutted and limited with the first limiting portion (431) in the process of sliding relative to the second handle (4) to provide a click feeling.

6. The cutter with a lock according to claim 5, wherein the second handle (4) is provided with a first through hole (44), the elastic sheet (43) is arranged in the first through hole (44), one end of the elastic sheet (43) is connected with the second handle (4), and the other end is a cantilever end.

7. The cutter with the lock according to claim 1, further comprising a fastener (6), wherein the first handle (1) is provided with a second through hole (11), and the fastener (6) sequentially penetrates through the second through hole (11) and the blade (2) and then is in threaded connection with the cutter holder (3).

8. The tool with lock according to claim 1, characterized in that the end of the first handle (1) close to the locking structure (5) is provided with a notch (12) for facilitating the shifting of the locking structure (5).

9. The cutter with the lock according to claim 1, wherein the cutter holder (3) is further provided with a shifting block (33), the blade (2) is provided with a clamping portion (21), one end of the shifting block (33) is exposed out of the side portions of the first handle (1) and the second handle (4), and the other end of the shifting block is clamped with the clamping portion (21).

10. The tool with lock according to claim 1, characterized in that the end of the first handle (1) and/or the second handle (4) remote from the locking structure (5) is provided with a hook-like suspension (7).

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