CN220007868U

CN220007868U - Folding knife with button lock

Info

Publication number: CN220007868U
Application number: CN202321352531.8U
Authority: CN
Inventors: 梁孝轩
Original assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Current assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-14
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the technical field of cutters, and particularly discloses a button lock folding knife which comprises a knife blade, a knife handle, a button lock structure and a lining, wherein one end of the knife blade is provided with a connecting end which is rotatably connected with the front end of the knife handle, the connecting end is provided with a driving part for driving the knife blade to rotate, an opening locking surface and a closing locking surface which are matched with the button lock structure, the lining is fixedly arranged at the front end of the knife handle, and an opening stop position and a closing stop position which are matched with the connecting end are arranged on the lining. The folding knife for the button lock has the advantages that the structure is simple, the production cost is reduced, meanwhile, the inclined surface is machined by adopting a grinding process when the locking surface is opened, the phenomena of large machining error of the locking surface, unstable structure, such as incomplete locking or unexpected unlocking and the like, are avoided, and the integrated bending forming lining is adopted, so that the machining process is simple and the machining and the production are convenient.

Description

Folding knife with button lock

Technical Field

The utility model relates to the technical field of cutters, in particular to a button lock folding cutter.

Background

Folding knives are widely used because of their small size and portability. The folding knife with the existing button lock structure can prop against the edge of the blade when the blade is completely opened, so that the blade is limited, the blade cannot rotate relative to the knife handle, the blade is kept in a completely opened state, and when the blade is required to be folded, the button lock structure can be driven, so that the button lock structure is separated from the edge of the blade, and the blade can rotate relative to the knife handle, so that the folding of the blade is realized. For example, the utility model patent with publication number CN213165474U discloses a push button folding lock knife, when the blade is in a unfolded state, the push button lock mechanism is used for locking the blade, so that the blade is prevented from freely rotating under the self-gravity; when the blade is required to be folded in the cutter handle, the button lock mechanism is only required to be pressed, so that the button lock mechanism unlocks the blade, and the blade is rotated to be folded in the cutter handle. However, the button folding lock knife is required to be provided with a limiting column to limit the rotation of the blade, and has the advantages of complex structure and high production cost.

Disclosure of Invention

The utility model aims to at least solve one of the above mentioned technical problems, and provides a folding knife with a button lock, which has a simple structure and reduces the production cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a folding sword of button lock, includes blade, handle of a knife, button lock structure and facing, and the one end of blade has the link of rotatable coupling with the handle of a knife front end, and the link is provided with the drive division that is used for driving blade pivoted to and be used for with button lock structure complex open locking face and closed locking face, facing fixed mounting is at the front end of handle of a knife, and be provided with on the facing with link complex open the position and close the position of stopping.

Preferably, the handle includes a first handle and a second handle disposed parallel to each other, and a gap between the first handle and the second handle configured for mounting the blade.

Preferably, one end of the first knife handle is fixedly connected with one end of the second knife handle through a lining, and the other end of the first knife handle is fixedly connected with the other end of the second knife handle through a spacing piece.

Preferably, the lining comprises a first lining surface and a second lining surface which are arranged in parallel, and a connecting part which is connected with the upper ends of the first lining surface and the second lining surface, and the first lining surface and the second lining surface are respectively and fixedly connected with the first knife handle and the second knife handle.

Preferably, the first lining surface, the second lining surface and the connecting part are integrally bent and formed.

Preferably, the surfaces of the first knife handle and the second knife handle facing each other are respectively provided with a first limiting concave surface and a second limiting concave surface, and the first lining surface and the second lining surface are respectively clamped in the first limiting concave surface and the second limiting concave surface and are fixed through screws.

Preferably, the connecting part is provided with an avoidance groove, the driving part is movably arranged in the avoidance groove, and the driving part protrudes out of the cutter handle through the avoidance groove.

Preferably, the button lock structure comprises a shaft body and a spring, wherein the shaft body comprises a pressing part and a locking part which are respectively arranged at two ends of the shaft body, and an avoiding part which is arranged between the pressing part and the locking part, the outer diameter of the locking part is larger than that of the avoiding part, and the locking part is elastically connected with the cutter handle through the spring.

Preferably, the handle is provided with a clip.

Preferably, the front ends of the first knife handle and the second knife handle are fixedly provided with a pin shaft, two limiting sheets which are arranged in parallel are embedded on the pin shaft, and the connecting end is rotatably arranged between the two limiting sheets.

The beneficial effects are that: according to the folding knife with the button lock, the lining is arranged, the opening stop position and the closing stop position are arranged on the lining, and the connecting ends are respectively abutted against the opening stop position and the closing stop position, so that the opening and the closing of the knife blade can be respectively limited, the knife blade can precisely rotate to a completely opened or completely closed state, compared with the folding knife with the existing button lock structure, the folding knife with the button lock structure does not need to be provided with a limiting column to limit the rotation of the knife blade, and has a simple structure and reduced production cost.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view of a push button lock folding knife in a fully opened state according to the present utility model;

FIG. 2 is a schematic view showing the structure of a folding knife with a push button lock in a fully closed state according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a blade and a pin;

FIG. 4 is a schematic structural view of a liner;

FIG. 5 is a schematic view of the structure of a blade;

FIG. 6 is a schematic view of the structure of the first tool shank;

FIG. 7 is a schematic view of the structure of a second tool shank;

fig. 8 is a schematic view of the mounting structure of the push button lock structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, as well as being disposed not only in an intermediate position but also in both ends as far as they are within the scope defined by the intermediate position. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 8, the utility model discloses a folding knife with a button lock, which comprises a blade 1, a handle, a button lock structure 2 and a lining 3, wherein one end of the blade 1 is provided with a connecting end 4 rotatably connected with the front end of the handle, the connecting end 4 is provided with a driving part 5 for driving the blade 1 to rotate, an opening locking surface 6 and a closing locking surface 7 for being matched with the button lock structure 2, the lining 3 is fixedly arranged at the front end of the handle, and an opening stop 8 and a closing stop 9 matched with the connecting end 4 are arranged on the lining 3.

According to the folding knife with the button lock, the lining 3 is arranged, the opening stop position 8 and the closing stop position 9 are arranged on the lining 3, and the connecting end 4 is respectively abutted against the opening stop position 8 and the closing stop position 9, so that the opening and the closing of the blade 1 can be respectively limited, the blade 1 can precisely rotate to a completely opened or completely closed state, compared with the folding knife with the button lock structure, the folding knife with the button lock structure does not need to be provided with a limiting column to limit the rotation of the blade 1, has a simple structure, and reduces the production cost. And moreover, the locking surface 6 is opened and the inclined surface is machined by adopting a grinding process, so that the phenomena of large machining error of the locking surface 6, unstable structure, incapability of locking in place or accidental unlocking and the like can be avoided.

In a specific embodiment, the tool shanks may comprise a first tool shank 10 and a second tool shank 11 arranged parallel to each other, a gap between the first tool shank 10 and the second tool shank 11 being configured for mounting the blade 1, such that the blade 1 is fully foldable into the gap when closed.

Specifically, the front ends of the first tool handle 10 and the second tool handle 11 can be fixedly connected through the lining 3, the rear ends of the first tool handle 10 and the second tool handle 11 are fixedly connected through the spacing piece 12, and the lining 3 and the spacing piece 12 can respectively play a role in fixing the front end and the rear end of the first tool handle 10 and the rear end of the second tool handle 11 so as to improve the connection stability of the first tool handle 10 and the second tool handle 11 and further improve the structural strength of the tool handles.

Further, the lining 3 may include a first facing 13 and a second facing 14 disposed parallel to each other, and a connecting portion 15 connecting upper ends of the first facing 13 and the second facing 14, where the first facing 13 and the second facing 14 are disposed in a flat plate shape, and the first facing 13 and the second facing 14 can be fixedly connected to the first tool handle 10 and the second tool handle 11, respectively, so as to improve stability of connection among the lining 3, the first tool handle 10, and the second tool handle 11. Preferably, the first facing 13, the second facing 14 and the connecting portion 15 may be integrally formed by bending a metal plate material, so as to facilitate the production and processing of the lining 3.

Further, the surfaces of the first tool handle 10 and the second tool handle 11 facing each other may be provided with a first limit concave surface 16 and a second limit concave surface 17, the first limit concave surface 16 and the second limit concave surface 17 are respectively matched with the shapes of the first lining surface 13 and the second lining surface 14, the depth of the first limit concave surface 16 and the depth of the second limit concave surface 17 are respectively the same as the thickness of the first lining surface 13 and the thickness of the second lining surface 14, when the lining 3 is installed, the first lining surface 13 and the second lining surface 14 are respectively clamped in the first limit concave surface 16 and the second limit concave surface 17, the surfaces of the first lining surface 13 and the second lining surface 14 are respectively flush with the surfaces of the first tool handle 10 and the second tool handle 11, and then the first lining surface 13 and the second lining surface 14 are respectively fixed on the first tool handle 10 and the second tool handle 11 through screws, so that the fixed installation of the lining 3 is realized, the installation is convenient, and the installation stability is high.

Still further, the connecting portion 15 may be provided with a recess 18, and the driving portion 5 is movably disposed in the recess 18 and protrudes out of the handle through the recess 18, so that an operator presses the driving portion 5, and when the driving portion 5 rotates, the connecting portion 15 does not limit the rotation of the driving portion 5 due to the recess 18.

In another embodiment of the present utility model, the button lock structure 2 may include a shaft body 19 and a spring 20, the shaft body 19 includes a pressing portion 21 and a locking portion 22 respectively provided at both ends thereof, and a escaping portion 23 provided between the pressing portion 21 and the locking portion 22, an outer diameter of the locking portion 22 is larger than an outer diameter of the escaping portion 23, and the locking portion 22 is elastically connected to the handle by the spring 20. Specifically, the first handle 10 is provided with a mounting hole 27, the second handle 11 is provided with a mounting slot 28, the shaft 19 passes through the mounting hole 27 and the locking portion 22 can extend into the mounting slot 28, the locking portion 22 is elastically connected with the mounting slot 28 through the spring 20, preferably, an end portion of the locking portion 22 can be provided with a mounting slot 29 to improve the stability of mounting the spring 20, the closed locking surface 7 can be tapered, and the locking portion 22 is also provided with a tapered end portion to facilitate the abutting fit of the locking portion 22 and the closed locking surface 7. When the spring 20 is not under pressure, the locking portion 22 can be ejected out of the mounting slot 28, so that the locking portion 22 can abut against the opening locking surface 6 and the closing locking surface 7 to keep the blade 1 in a completely opened or completely closed state, when the pressing portion 21 is pressed, the spring 20 can be compressed, and the locking portion 22 is contracted into the mounting slot 28, at this time, the avoiding portion 23 corresponds to the opening locking surface 6 and the closing locking surface 7, and since the outer diameter of the avoiding portion 23 is smaller than the outer diameter of the locking portion 22, the avoiding portion 23 cannot abut against the opening locking surface 6 and the closing locking surface 7, so that the blade 1 can rotate relative to the cutter handle. In this embodiment, the lining 3 is provided with perforations 30 through which the shaft 19 passes.

In another embodiment, a clasp 24 may be provided on the handle to facilitate the carrying of the tool. Preferably, the inner side surfaces of the first tool handle 10 and the second tool handle 11 can be provided with a clamping groove 31, the clamping buckle 24 is provided with an installation part matched with the clamping groove 31 in a clamping way, the spacing piece 12 can be fastened on the tool handle through a screw lock, and after the spacing piece 12 is fixed, the installation part can be pressed and fixed in the clamping groove 31, so that the installation stability of the clamping buckle 24 is improved.

In a more preferred embodiment, the front ends of the first tool handle 10 and the second tool handle 11 can be fixedly provided with a pin shaft 25, the pin shaft 25 is fixedly arranged between the first tool handle 10 and the second tool handle 11 through a screw, two limiting plates 26 which are arranged in parallel are embedded on the pin shaft 25, the connecting end 4 is rotatably arranged between the two limiting plates 26, and the connecting end 4 can be limited by the limiting plates 26 along the axial direction of the pin shaft 25, so that the shaking of the blade 1 in the use process is reduced, and the installation stability of the blade 1 is improved.

When the button lock folding knife is used, the pressing part 21 of the shaft body 19 can be pressed by a thumb, so that the locking part 22 is separated from the closed locking surface 7, then the driving part 5 is pushed backwards by an index finger to drive the blade 1 to rotate forwards, when the blade 1 rotates until the connecting end 4 is abutted with the opening stop position 8, the opening stop position 8 limits the forward rotation of the blade 1, at the moment, the blade 1 is in a completely opened state, then the pressing part 21 is released by the thumb, and under the action of the elasticity of the spring 20, the locking part 22 can be abutted with the opening locking surface 6, so that the reverse rotation of the blade 1 is limited, and the stable opened state of the blade 1 is maintained; when the blade 1 needs to be folded, the pressing part 21 of the shaft body 19 is pressed by a thumb, so that the locking part 22 is separated from the opening locking surface 6, then the blade 1 is driven to rotate reversely, when the blade 1 rotates to the position that the connecting end 4 is abutted with the closing stop position 9, the closing stop position 9 limits the reverse rotation of the blade 1, at the moment, the blade 1 is in a completely closed state, then the pressing part 21 is loosened by the thumb, under the action of the elastic force of the spring 20, the locking part 22 can be abutted with the closing locking surface, and therefore the forward rotation of the blade 1 is limited, so that the stable closed state of the blade 1 is maintained.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a button lock folding knife, a serial communication port, including blade (1), handle of a knife, button lock structure (2) and facing (3), the one end of blade (1) has link (4) rotationally connected with the handle of a knife front end, link (4) are provided with and are used for driving blade (1) pivoted drive division (5), and be used for with button lock structure (2) complex open locking face (6) and closed locking face (7), facing (3) fixed mounting is at the front end of handle of a knife, and be provided with on facing (3) with link (4) complex open stop (8) and closed stop (9).

2. A push button lock folding knife according to claim 1, characterized in that the knife shanks comprise a first knife shank (10) and a second knife shank (11) arranged parallel to each other, a gap between the first knife shank (10) and the second knife shank (11) being configured for mounting the blade (1).

3. A push button lock folding knife according to claim 2, characterized in that the first handle (10) is fixedly connected to one end of the second handle (11) by means of a lining (3) and the other end is fixedly connected by means of a spacer (12).

4. A push button lock folding knife according to claim 3, characterized in that the lining (3) comprises a first facing (13) and a second facing (14) arranged in parallel with each other, and a connecting part (15) connecting the upper ends of the first facing (13) and the second facing (14), the first facing (13) and the second facing (14) being fixedly connected to the first handle (10) and the second handle (11), respectively.

5. The folding knife of the button lock according to claim 4, wherein the first lining (13), the second lining (14) and the connecting part (15) are integrally bent and molded.

6. The folding knife with the button lock according to claim 4, wherein the surfaces of the first knife handle (10) and the second knife handle (11) facing each other are respectively provided with a first limit concave surface (16) and a second limit concave surface (17), and the first lining surface (13) and the second lining surface (14) are respectively clamped in the first limit concave surface (16) and the second limit concave surface (17) and are fixed by screws.

7. The folding knife with the button lock according to claim 4, wherein the connecting portion (15) is provided with an avoidance groove (18), the driving portion (5) is movably arranged in the avoidance groove (18), and protrudes out of the knife handle through the avoidance groove (18).

8. The folding knife of the button lock according to claim 1, wherein the button lock structure (2) comprises a shaft body (19) and a spring (20), the shaft body (19) comprises a pressing part (21) and a locking part (22) which are respectively arranged at two ends of the shaft body, and an avoidance part (23) which is arranged between the pressing part (21) and the locking part (22), the outer diameter of the locking part (22) is larger than the outer diameter of the avoidance part (23), and the locking part (22) is elastically connected with the knife handle through the spring (20).

9. A push button lock folding knife according to claim 1, characterized in that the handle is provided with a clip (24).

10. The folding knife with the button lock according to claim 2, wherein the front ends of the first knife handle (10) and the second knife handle (11) are fixedly provided with a pin shaft (25), two limiting sheets (26) which are arranged in parallel are embedded on the pin shaft (25), and the connecting end (4) is rotatably arranged between the two limiting sheets (26).