CN220903391U

CN220903391U - Push button shaft lock folding knife and switch safety structure thereof

Info

Publication number: CN220903391U
Application number: CN202322360077.7U
Authority: CN
Inventors: 梁刚
Original assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Current assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-07
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to the technical field of cutters, and particularly discloses a switch safety structure of a button shaft lock folding knife, which comprises a handle, a blade, a button shaft lock structure and a push block, wherein one end of the blade is rotationally connected with the handle through a pin shaft, the button shaft lock structure comprises a shaft body and a reset spring, the shaft body is in sliding fit with the handle, one end of the shaft body is provided with a driving part, the other end of the shaft body is elastically connected with the handle through the reset spring, the blade is provided with an opening locking surface and a closing locking surface, the push block is slidably arranged on the handle and can move towards or away from the shaft body, and the shaft body is provided with an abutting part. The utility model also discloses a button lock shaft folding knife. The button shaft lock folding knife and the switch safety structure thereof have the advantages of simple structure, convenient operation, stable performance, attractive appearance, emergency tools and low manufacturing cost.

Description

Push button shaft lock folding knife and switch safety structure thereof

Technical Field

The utility model relates to the technical field of cutters, in particular to a button shaft lock folding knife and a switch safety structure thereof.

Background

The folding knife has the characteristics of convenience in carrying, strong practicability and the like, and is one of the tools frequently used in life of people. The locking mode of folding knife has five kinds of back lock, line lock, integrative lock, axle lock structure and bolt lock at present, and every locking mode all possesses its characteristics to in order to improve locking state's stability, prevent that the cutter from accidentally opening or closing, some axle lock folding knives still are provided with switch insurance structure. However, the switch safety structure adopted by the shaft lock folding knife on the market at present is complex, the operation is inconvenient, and the manufacturing cost is high.

Disclosure of Invention

The utility model aims to at least solve one of the above-mentioned technical problems and provides a button shaft lock folding knife and a switch safety structure thereof, which have simple structure, convenient operation and low manufacturing cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a switch insurance structure of button axle lock folding knife, including the handle, the blade, button axle lock structure and ejector pad, the one end of blade is rotated with the handle through the round pin axle and is connected, button axle lock structure includes axis body and reset spring, axis body and handle sliding fit, and axis body one end is provided with drive portion, the other end passes through reset spring and handle elastic connection, be provided with on the blade and open the locking face and close the locking face, under reset spring elasticity effect, the locking portion at axis body middle part can the butt open the locking face or close the locking face, so that the blade locks in the state of fully opening or the state of fully closing, and press the drive portion, can make the locking portion break away from and open the locking face or close the locking face, the ejector pad slidable is installed on the handle, and can be towards or the axis body motion of dorsad, be provided with the butt portion on the axis body, when the tip and the butt cooperation of ejector pad, can make the locking portion keep the butt open the state of locking face or close the locking face.

Preferably, the handle comprises a first handle, a second handle and a spacing piece, wherein the first handle and the second handle are fixedly connected through screws and are arranged in parallel, and the spacing piece is fixedly arranged between the first handle and the second handle.

Preferably, the first handle or the second handle is provided with a chute, the push block is slidably arranged in the chute, and the upper surface of the push block is not higher than the upper surface of the handle.

Preferably, the first handle and the second handle each comprise a lining and a shell arranged on the outer side surface of the lining, the shell is provided with a mounting groove, and the mounting groove and the lining are configured into the sliding groove.

Preferably, the lining is provided with two limiting protrusions integrally formed, the push block is provided with an elastic sheet, a waist-shaped groove is formed between the elastic sheet and the push block, the two limiting protrusions are located in the waist-shaped groove, and the two limiting protrusions can be respectively clamped with two ends of the waist-shaped groove.

Preferably, the handle is provided with a limiting pin, and the blade is provided with an arc limiting groove in sliding fit with the limiting pin.

The application also discloses a button shaft lock folding knife which comprises any one of the switch safety structures.

Preferably, an opening hole is formed in one end, close to the handle, of the blade.

Preferably, the handle is provided with a rope threading hole and/or a clip.

Preferably, the rear end of the handle is provided with a window breaker and/or a rope cutting blade.

The beneficial effects are that: according to the button shaft lock folding knife and the switch safety structure thereof, when the knife blade is rotated to a fully opened or fully closed state, the locking part on the shaft body can be abutted against the opening locking surface or the closing locking surface to limit the rotation of the knife blade, and meanwhile, the end part of the push block is in clamping fit with the abutting part on the shaft body, so that the shaft body can not slide relative to the handle, the locking part is kept in a state of abutting against the opening locking surface or the closing locking surface to stably lock the knife blade in the fully opened or fully closed state, and the condition that the knife blade is accidentally opened or closed is effectively prevented; when the end part of the driving pushing block is separated from the abutting part, the driving part can be pressed to enable the locking part to be separated from the opening locking surface or the closing locking surface, so that the blade can rotate relative to the handle, and the blade can be rotated from a fully opened state to a fully closed state or from the fully closed state to the fully opened state.

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 one embodiment of a push button shaft lock folding knife in a fully opened state according to the present utility model;

FIG. 2 is a schematic view of another embodiment of a push button shaft lock folding knife of the present utility model in a fully opened state;

FIG. 3 is a schematic view of one embodiment of a push button shaft lock folding knife in a fully closed state according to the present utility model;

FIG. 4 is a schematic view of another embodiment of a push button shaft lock folding knife of the present utility model in a fully closed state;

FIG. 5 is a schematic view of a push button lock shaft structure of the push button shaft lock folding knife of the present utility model in a fully opened state;

FIG. 6 is a schematic view of a structure of a push button lock shaft in a fully closed state of a push button shaft lock folding knife according to the present utility model;

FIG. 7 is a schematic diagram of the mounting structure of the push block;

fig. 8 is a schematic view of the structure of the push button shaft lock folding knife of the present utility model after the casing is disassembled.

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, a switch safety structure of a push button shaft lock folding knife comprises a handle 1, a blade 2, a push button shaft lock structure and a push block 3, wherein one end of the blade 2 is provided with a connecting end, the connecting end is rotationally connected with the handle 1 through a pin shaft 4, so that the blade 2 can rotate around the axis of the pin shaft 4 relative to the handle 1, the push button shaft lock structure comprises a shaft body 5 and a reset spring 6, the shaft body 5 is in sliding fit with the handle 1, one end of the shaft body 5 is provided with a driving part 7, the other end is elastically connected with the handle 1 through the reset spring 6, the blade 2 is provided with an opening locking surface 8 and a closing locking surface 9, under the elastic force of the reset spring 6, a locking part 10 in the middle part of the shaft body 5 can abut against the opening locking surface 8 or the closing locking surface 9 so as to limit the blade 2, the blade 2 is locked in a fully opened state or a fully closed state, and the driving part 7 is pressed, the locking part 10 is separated from the opening locking surface 8 or the closing locking surface 9, at the moment, the middle part of the shaft body 5 is in correspondence with the opening locking surface 8 or the closing locking surface 9, and the opposite to the handle 1 can not abut against the opening surface 11, and the opening surface 11 can be kept against the opening surface 3, and the opposite to the opening surface 11 can be in a position opposite to the opening surface 3, and the position can be abutted against the opening end to the handle 5, and can be abutted against the opening against the locking surface 11, and can be abutted against the locking surface 3.

According to the switch safety structure of the button shaft lock folding knife, when the knife blade 2 is rotated to be in a fully opened or fully closed state, the locking part 10 on the shaft body 5 can be abutted against the opening locking surface 8 or the closing locking surface 9 to limit the rotation of the knife blade 2, and meanwhile, the end part of the push block 3 is in clamping fit with the abutting part 11 on the shaft body 5 to limit the shaft body 5, so that the shaft body 5 can not slide relative to the handle 1, the locking part 10 can keep the state of abutting against the opening locking surface 8 or the closing locking surface 9, the knife blade 2 is stably locked in the fully opened or fully closed state, and the situation that a knife is accidentally opened or closed is effectively prevented; when the end of the driving push block 3 is separated from the abutting portion 11, the driving portion 7 can be pressed to enable the locking portion 10 to be separated from the opening locking surface 8 or the closing locking surface 9, so that the blade 2 can rotate relative to the handle 1, and the blade 2 can be rotated from a fully opened state to a fully closed state or from the fully closed state to the fully opened state.

In one embodiment of the present application, the handle 1 may include a first handle 12, a second handle 13, and a spacer 14, wherein the first handle 12 and the second handle 13 may be fixedly connected by a screw and disposed parallel to each other, and the spacer 14 may be fixedly installed between the first handle 12 and the second handle 13 by a screw to improve the stability of the connection structure of the first handle 12 and the second handle 13.

Specifically, the first handle 12 or the second handle 13 may be provided with a chute 15, and the push block 3 is slidably installed in the chute 15, so as to improve the stability of installation of the push block 3, and the upper surface of the push block 3 may be provided with a toothed anti-slip portion, so that an operator drives the push block 3, and the upper surface of the push block 3 is not higher than the upper surface of the handle 1, thereby improving the aesthetic property of the appearance of the folding knife, and avoiding the situation that the convex push block 3 scratches the operator, or the convex push block 3 hooks an external object.

More specifically, the push block 3 may be mounted on the first handle 12 as shown in fig. 1 or 3, or the push block 3 may be mounted on the second handle 13 as shown in fig. 2 or 4. The first handle 12 and the second handle 13 may each include a lining 16 and a housing 17 mounted on an outer side surface of the lining 16, a mounting groove is formed in the housing 17, a sliding groove 15 is formed between the mounting groove and the surface of the lining 16, mounting holes in sliding fit with the driving part 7 are formed in the first handle 12 and the housing 17 matched with the first handle, a groove body in sliding fit with an end part of the shaft body 5 is formed between the second handle 13 and the housing 17 matched with the second handle, one end of the return spring 6 is abutted against the bottom of the groove body, and the other end of the return spring is abutted against the end part of the shaft body 5.

In a preferred embodiment of the present application, two limiting protrusions 19 may be integrally formed on the lining 16, an elastic sheet 20 is disposed on the push block 3, a waist-shaped groove 21 is formed between the elastic sheet 20 and the push block 3, the two limiting protrusions 19 are located in the waist-shaped groove 21, and the two limiting protrusions 19 can be elastically clamped with two ends of the waist-shaped groove 21, when the push block 3 slides relative to the handle 1, the two limiting protrusions 19 are respectively abutted with two ends of the waist-shaped groove 21, the movement of the push block 3 can be limited, so that the push block 3 cannot continue to move in the original direction, and due to the fact that the limiting protrusions 19 are matched with the waist-shaped groove 21, the push block 3 can move along the length direction of the waist-shaped groove 21, so that the movement of the push block 3 is limited, the movement stability of the push block 3 is improved to a certain extent, and due to the fact that the elastic sheet 20 has a certain elasticity, when the end of the push block 3 is abutted with the abutting part 11, the free end of the elastic sheet 20 is just matched with 16 to apply a certain clamping force to the limiting protrusion 19, so that the abutting part 11 can keep the push block 3 to be stably positioned against the abutting part 11.

In a more preferred embodiment of the present application, the handle 1 may be provided with a limiting pin 22, the blade 2 is provided with an arc limiting groove 23 slidably matched with the limiting pin 22, two ends of the limiting groove 23 are respectively an open stop position and a closed stop position, when the blade 2 rotates forward to a fully open state, the limiting pin 22 abuts against the open stop position, at this time, the forward rotation of the blade 2 can be limited, when the blade 2 rotates forward to a fully closed state, the limiting pin 22 abuts against the closed stop position, at this time, the reverse rotation of the blade 2 can be limited, therefore, by providing the cooperation of the limiting pin 22 and the limiting groove 23, the rotation of the blade 2 can be limited, and the accurate rotation of the blade 2 can be enabled to the fully open or fully closed state.

Further, the end of the blade 2 close to the handle 1 is provided with an opening hole 24, and the opening hole 24 can enable the finger of an operator to extend in, so that the operator can drive the blade 2 to rotate by grabbing and buckling the opening hole 24 when in use, and the blade 2 in the closed state can be conveniently opened.

In one embodiment, the handle 1 may be provided with a rope hole 25 to facilitate wearing a rope on the cutter, thereby facilitating carrying of the cutter, or the handle 1 may be provided with a clip 26 to facilitate carrying of the cutter, or the handle 1 may be provided with both the rope hole 25 and the clip 26.

In another embodiment, the rear end of the handle 1 may be provided with a window breaker 27, or the rear end of the handle 1 may be provided with a rope cutter blade 28, or the rear end of the handle 1 may be provided with both the window breaker 27 and the rope cutter blade 28, so as to cope with some emergency operations, specifically, the window breaker 27 may be a conical metal hard block, and the rope cutter blade 28 may be two blades 2, and the two blades 2 are arranged in a crossing manner so as to be configured as V-shaped cutting edges, thereby facilitating cutting.

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 switch insurance structure of button axle lock jack knife, characterized by, including handle (1), blade (2), button axle lock structure and ejector pad (3), the one end of blade (2) is connected with handle (1) rotation through round pin axle (4), button axle lock structure includes axis body (5) and reset spring (6), axis body (5) and handle (1) sliding fit, and axis body (5) one end is provided with drive portion (7), the other end passes through reset spring (6) and elastic connection with handle (1), be provided with on blade (2) and open locking face (8) and closed locking face (9), under reset spring (6) elasticity effect, locking portion (10) in the middle part of axis body (5) can butt open locking face (8) or closed locking face (9), so that blade (2) lock in the state of fully open or the state of fully closing, and press drive portion (7), can make locking portion (10) break away from open locking face (8) or closed locking face (9), ejector pad (3) slidable mounting on back of handle (1) can be towards handle (5) and when the butt end (11) is provided with in the butt joint portion (11), the locking part (10) can be kept in a state of abutting against the opening locking surface (8) or the closing locking surface (9).

2. The switch safety structure of the push button shaft lock folding knife according to claim 1, wherein the handle (1) comprises a first handle (12), a second handle (13) and a spacing piece (14), the first handle (12) and the second handle (13) are fixedly connected through screws and are mutually parallel, and the spacing piece (14) is fixedly installed between the first handle (12) and the second handle (13).

3. The switch safety structure of the push button shaft lock folding knife according to claim 2, wherein a chute (15) is arranged on the first handle (12) or the second handle (13), the push block (3) is slidably arranged in the chute (15), and the upper surface of the push block (3) is not higher than the upper surface of the handle (1).

4. A switch safety structure of a push button shaft lock folding knife according to claim 3, wherein the first handle (12) and the second handle (13) each comprise a lining (16) and a shell (17) mounted on the outer side surface of the lining (16), a mounting groove is arranged on the shell (17), and the mounting groove and the lining (16) are configured into the sliding groove (15).

5. The switch safety structure of the push button shaft lock folding knife according to claim 4, wherein two limit protrusions (19) are integrally formed on the lining (16), an elastic sheet (20) is arranged on the push block (3), a waist-shaped groove (21) is formed between the elastic sheet (20) and the push block (3), the two limit protrusions (19) are located in the waist-shaped groove (21), and the two limit protrusions (19) can be elastically clamped with two ends of the waist-shaped groove (21) respectively.

6. The switch safety structure of the button shaft lock folding knife according to claim 1, wherein the handle (1) is provided with a limiting pin (22), and the blade (2) is provided with an arc limiting groove (23) which is in sliding fit with the limiting pin (22).

7. A push button shaft lock folding knife comprising a switch safety structure according to any one of claims 1 to 6.

8. The push button shaft lock folding knife according to claim 7, wherein the end of the blade (2) close to the handle (1) is provided with an opening hole (24).

9. A push button shaft lock folding knife according to claim 7, characterized in that the handle (1) is provided with a rope hole (25) and/or a clip (26).

10. A push button shaft lock folding knife according to claim 7, characterized in that the rear end of the handle (1) is provided with a window breaker (27) and/or a rope cutter blade (28).