CN217345569U - Folding knife with locking structure - Google Patents

Abstract

The utility model belongs to the technical field of cutters, and relates to a folding cutter with a locking structure, which is characterized in that through arranging a limiting part, and the limiting component can move on the knife handle along the axial direction of the pivot shaft under the action of external force, the limiting part is arranged on the limiting part, the limiting area is arranged on the cutter body, so that a user only needs to push the limiting part to enable the limiting part to move on the cutter handle along the axial direction of the pivot shaft, the limiting part on the limiting part can enter into the limiting area or be separated from the limiting area to lock or unlock the cutter body and the cutter handle, thereby avoiding the folding knife from being easily opened when the folding knife is closed and not used, preventing the risk of accidental opening when the folding knife falls off and collides accidentally, easily hurting people or damaging the knife, and can also prevent the folding knife from rotating easily when using, increase the convenience when the user uses the folding knife.

Description

Folding knife with locking structure

Technical Field

The utility model belongs to the technical field of the cutter, a folding sword of area locking structure is related to.

Background

At present, because folding knife convenient to use, folding knife is more and more favored by consumer, and consumer's requirement to the various performance of cutter is more and more high, not only needs to accord with the use custom, stable in structure, more importantly the safety protection aspect, all has very high requirement. However, in the existing folding knife structure, most knives are semi-fixed when being closed, so that the risk of accidental opening exists when the knives fall and are accidentally collided, and people are easily injured or the knives are easily damaged.

Disclosure of Invention

An object of the utility model is to provide a take locking structure's folding sword to the not enough of prior art to solve the problem that folding sword was opened easily when closed not using.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a folding knife with a locking structure, comprising:

a handle, the handle comprising: the handle comprises a first handle part and a second handle part which are symmetrically arranged, wherein the first handle part is fixedly connected with the second handle part, and an accommodating space is formed between the first handle part and the second handle part;

the cutter body is arranged in the accommodating space, the root of the cutter body is rotatably connected with the head of the cutter handle through a pivot shaft, a first mounting groove is further formed in the root of the cutter body, and a limiting area is further formed in one side of the first mounting groove;

one end of the limiting component sequentially penetrates through the first handle part, the first mounting groove in the root of the cutter body and the limiting area in the root of the cutter body to be connected with the second handle part, the limiting component can move on the cutter handle along the axial direction of the pivot shaft under the action of external force, a limiting part is further arranged on one side, close to the first mounting groove, of the limiting component, and the shape and the size of the limiting part are matched with those of the limiting area;

when the limiting component moves on the cutter handle along the axial direction of the pivot shaft, the limiting part on the limiting component can enter the limiting area or be separated from the limiting area so as to lock or unlock the cutter body and the cutter handle.

Further, the folding knife further comprises: the positioning device comprises two positioning parts, a first handle part and a second handle part, wherein one positioning part is arranged on the first handle part, the other positioning part is arranged on the second handle part, the first ends of the two positioning parts are respectively provided with a clamping part, the clamping parts of the two positioning parts are respectively clamped on a limiting part, the first end of the limiting part is also provided with a first clamping groove, the second end of the limiting part is also provided with a second clamping groove, the clamping part on one positioning part is arranged close to the first clamping groove, and the clamping part on the other positioning part is arranged close to the second clamping groove; when the limiting part of the limiting part enters the limiting area, the clamping part on one of the positioning parts can enter the first clamping groove, and when the limiting part of the limiting part is separated from the limiting area, the clamping part on the other positioning part can enter the second clamping groove.

Furthermore, the inner side walls of the first handle part and the second handle part which are opposite to each other are respectively provided with a second mounting groove, one positioning component is mounted in the second mounting groove on the first handle part, and the other positioning component is mounted in the second mounting groove on the second handle part.

Further, the clamping part still includes: the stop block comprises a straight section and a bent section, wherein the bent section extends from the tail end of the straight section to the bottom of a second mounting groove, the straight section is abutted to the top of the second mounting groove, and the bent section is clamped on the side wall of the stop block.

Furthermore, the first clamping groove and the second clamping groove are both arc-shaped grooves.

Further, the positioning component is a spring.

Further, lining pieces are fixedly arranged on two opposite side walls of the accommodating space and encapsulate the second mounting groove.

Furthermore, a connecting part for connecting the first handle part with the second handle part is further arranged between the first handle part and the second handle part, and the connecting part is arranged close to the tail part of the knife handle.

The utility model has the advantages that:

through setting up spacing part, and spacing part can move on the handle of a knife along the axial direction of pivotal axis under the exogenic action, set up spacing part on spacing part, set up spacing region on the cutter body for the user only need promote spacing part, makes spacing part move on the handle of a knife along the axial direction of pivotal axis, and spacing part on spacing part can enter into in the spacing region or break away from in the spacing region, in order to lock cutter body and handle of a knife or unblock, thereby avoid folding sword to be opened easily when closed not using, prevent that folding sword from having the risk of unexpected opening when falling and accidental collision, hinder people easily or damage cutter, and can also prevent that folding sword from taking place the rotation easily when using, increase the convenience of user when using folding sword.

Drawings

FIG. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic view of the folding knife when open;

FIG. 3 is a rear view of the folding knife when closed;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a front view of the folding knife as closed;

FIG. 6 is a schematic cross-sectional view taken at B-B of FIG. 5;

fig. 7 is a schematic structural diagram of the middle limiting component of the present invention.

The labels in the figure are: 100-a tool shank, 110-a first shank, 120-a second shank, 130-a receiving space, 140-a second mounting groove; 200-cutter body, 210-root, 211-first mounting groove, 212-limit area; 300-stop, 310-stop, 320-first card slot, 330-second card slot; 400-positioning part, 410-clamping part, 411-straight section, 412-curved section; 500-a lining member; 600-a connecting member; 700-pivot axis.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-7, a folding knife with a locking structure includes: handle of a knife 100, cutter body 200 and spacing part 300, handle of a knife 100 includes: the handle comprises a first handle part 110 and a second handle part 120 which are symmetrically arranged, wherein the first handle part 110 is fixedly connected with the second handle part 120, and an accommodating space 130 is formed between the first handle part 110 and the second handle part 120; the cutter body 200 is arranged in the accommodating space 130, the root 310 of the cutter body 200 is rotatably connected with the head of the cutter handle 100 through the pivot shaft 700, the root 310 of the cutter body 200 is also provided with a first mounting groove 211, and one side of the first mounting groove 211 is also provided with a limiting area 212; one end of the limiting component 300 sequentially passes through the first handle 110, the first mounting groove 211 on the root 310 of the cutter body 200 and the limiting region 212 on the root 310 of the cutter body 200 to be connected with the second handle 120, the limiting component 300 can move on the cutter handle 100 along the axial direction of the pivot shaft 700 under the action of external force, a limiting part 310 is further arranged on one side, close to the first mounting groove 211, of the limiting component 300, and the shape and size of the limiting part 310 are matched with those of the limiting region 212; when the limiting member 300 moves on the tool holder 100 along the axial direction of the pivot shaft 700, the limiting portion 310 on the limiting member 300 can enter the limiting region 212 or be separated from the limiting region 212, so as to lock or unlock the tool body 200 and the tool holder 100.

By providing the limiting member 300, and the limiting member 300 can move on the tool holder 100 along the axial direction of the pivot shaft 700 under the action of external force, the stopper member 300 is provided with the stopper portion 310, the cutter body 200 is provided with the stopper region 212, so that a user only needs to push the limiting member 300 to move the limiting member 300 on the tool holder 100 along the axial direction of the pivot shaft 700, the limiting portion 310 on the limiting member 300 can enter into or disengage from the limiting region 212 to lock or unlock the tool body 200 and the tool holder 100, thereby avoiding the folding knife from being easily opened when the folding knife is closed and not used, preventing the risk of accidental opening when the folding knife falls off and collides accidentally, easily hurting people or damaging the knife, and can also prevent the folding knife from rotating easily when using, increase the convenience when the user uses the folding knife.

In the above embodiment, the folding knife further includes: two positioning members 400, wherein one positioning member 400 is mounted on the first handle part 110, and the other positioning member 400 is mounted on the second handle part 120, specifically, the inner side walls of the first handle part 110 opposite to the second handle part 120 are respectively provided with a second mounting groove 140, wherein one positioning member 400 is mounted in the second mounting groove 140 on the first handle part 110, and the other positioning member 400 is mounted in the second mounting groove 140 on the second handle part 120; the first ends of the two positioning components 400 are respectively provided with a clamping portion 410, the second ends of the two positioning components 400 are also provided with a base portion 420, the base portions 420 are arranged in the second mounting grooves 140, the clamping portions 410 of the two positioning components 400 are respectively clamped on the limiting component 300, the first end of the limiting component 300 is also provided with a first clamping groove 320, the second end of the limiting component 300 is also provided with a second clamping groove 330, and specifically, the first clamping groove 320 is close to the limiting portion 310, the second clamping groove 330 is far away from the limiting portion 310, the clamping portion 410 on one positioning component 400 is close to the first clamping groove 320, and the clamping portion 410 on the other positioning component 400 is close to the second clamping groove 330; when the limiting part 300 moves on the tool handle 100 and the limiting part 310 of the limiting part 300 enters the limiting area 212, the clamping part 410 on one of the positioning parts 400 can enter the first clamping groove 320, when the limiting part 310 of the limiting part 300 is separated from the limiting area 212, the clamping part 410 on the other positioning part 400 can enter the second clamping groove 330, and the two positioning parts 400, the first clamping groove 320 and the second clamping groove 330 are arranged to prevent the limiting part 300 from easily moving on the tool handle 100; in this embodiment, the first engaging groove 320 and the second engaging groove 330 are both arc-shaped grooves, and the first engaging groove 320 and the second engaging groove 330 are designed as arc-shaped grooves, so that the clamping portion can be conveniently separated from the second engaging groove or the second engaging groove.

In the above embodiment, the clamping portion 410 further includes: the flat section 411 and the curved section 412 extending from the end of the flat section 411 to the bottom of the second mounting groove 140, wherein the cross section of the curved section 412 is circular, the flat section 411 is abutted against the top of the second mounting groove 140, the curved section 412 is clamped on the side wall of the limiting part 300, and by arranging the structure of the clamping part 410, when the limiting part 300 is pushed, the clamping part 410 can deform when being extruded, so that the two clamping parts 410 can be separated from the first clamping groove 320 and the second clamping groove 330 or enter the first clamping groove 320 and the second clamping groove 330.

In the above embodiment, the two opposite sidewalls of the receiving space 130 are further fixedly provided with the lining member 500, the lining member 500 encloses the second mounting groove 140, and the lining member 500 is configured to prevent the positioning member 400 from being separated from the second mounting groove 140.

In the above embodiment, a connecting member 600 for connecting the first shank 110 and the second shank 120 is further disposed between the first shank 110 and the second shank 120, and the connecting member 600 is disposed near the tail of the tool holder 100.

The working principle is as follows: when the folding knife is opened, the folding knife is in a closed state, the limiting part 310 is positioned in the limiting region 212, then the second end of the limiting part 300 is pushed, so that the clamping part 410 on one limiting part 300 is separated from the first clamping groove 320, the second end of the limiting part 300 is continuously pushed until the limiting part 310 is separated from the limiting region 212, at this time, the clamping part 410 on the other limiting part 300 enters the second clamping groove 330, then the knife body 200 is rotated to open the folding knife, until the knife body 200 is completely opened, the first end of the limiting part 300 is pushed, so that the clamping part 410 positioned in the second clamping groove 330 can be separated from the second clamping groove 330, the limiting part 310 moves towards the limiting region 212, until the limiting part 310 completely enters the limiting region 212, the knife body 200 is limited from rotating to lock the knife body 200, at this time, the clamping part close to the first clamping groove 320 enters the limiting region 212, thereby locking the position-limiting member 300 to the tool holder 100 and preventing the position-limiting member 300 from being easily moved on the tool holder 100.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A folding knife with a locking structure is characterized by comprising:

a knife handle (100), the knife handle (100) comprising: the handle comprises a first handle part (110) and a second handle part (120) which are symmetrically arranged, wherein the first handle part (110) is fixedly connected with the second handle part (120), and a containing space (130) is formed between the first handle part (110) and the second handle part (120);

the cutter body (200) is arranged in the accommodating space (130), the root (210) of the cutter body (200) is rotatably connected with the head of the cutter handle (100) through a pivot shaft (700), a first mounting groove (211) is further formed in the root (210) of the cutter body (200), and a limiting area (212) is further formed in one side of the first mounting groove (211);

one end of the limiting component (300) sequentially penetrates through the first handle part (110), the first mounting groove (211) on the root part (210) of the cutter body (200) and the limiting area (212) on the root part (210) of the cutter body (200) to be connected with the second handle part (120), the limiting component (300) can move on the cutter handle (100) along the axial direction of the pivot shaft (700) under the action of external force, a limiting part (310) is further arranged on one side, close to the first mounting groove (211), of the limiting component (300), and the shape and size of the limiting part (310) are matched with those of the limiting area (212);

when the limiting component (300) moves on the tool handle (100) along the axial direction of the pivot shaft (700), the limiting part (310) on the limiting component (300) can enter the limiting area (212) or be separated from the limiting area (212) so as to lock or unlock the tool body (200) and the tool handle (100).

2. The folding knife with locking structure of claim 1, further comprising: the handle comprises two positioning components (400), wherein one positioning component (400) is arranged on a first handle part (110), the other positioning component (400) is arranged on a second handle part (120), the first ends of the two positioning components (400) are respectively provided with a clamping part (410), the clamping parts (410) of the two positioning components (400) are respectively clamped on a limiting component (300), the first end of the limiting component (300) is also provided with a first clamping groove (320), the second end of the limiting component (300) is also provided with a second clamping groove (330), the clamping part (410) on one positioning component (400) is arranged close to the first clamping groove (320), and the clamping part (410) on the other positioning component (400) is arranged close to the second clamping groove (330); when the limiting part (310) of the limiting part (300) enters the limiting area (212), the clamping part (410) on one positioning part (400) can enter the first clamping groove (320), and when the limiting part (310) of the limiting part (300) is separated from the limiting area (212), the clamping part (410) on the other positioning part (400) can enter the second clamping groove (330).

3. The folding knife with the locking structure according to claim 2, wherein the inner side walls of the first handle part (110) opposite to the second handle part (120) are provided with second mounting grooves (140), one positioning member (400) is mounted in the second mounting groove (140) on the first handle part (110), and the other positioning member (400) is mounted in the second mounting groove (140) on the second handle part (120).

4. The folding knife with locking structure according to claim 1, wherein the holder (410) further comprises: the stop block comprises a straight section (411) and a bent section (412) extending from the tail end of the straight section (411) to the bottom of a second installation groove (140), wherein the straight section (411) is abutted against the top of the second installation groove (140), and the bent section (412) is clamped on the side wall of the stop block (300).

5. The folding knife of claim 2, wherein the first locking slot (320) and the second locking slot (330) are both arc-shaped slots.

6. The folding knife with locking structure according to claim 2, characterized in that the positioning member (400) is a spring.

7. The folding knife with locking structure of claim 3, wherein a lining member (500) is further fixed on two opposite side walls of the receiving space (130), and the lining member (500) encloses the second mounting groove (140).

8. The folding knife with the locking structure according to claim 1, wherein a connecting part (600) for connecting the first handle part (110) with the second handle part (120) is further arranged between the first handle part (110) and the second handle part (120), and the connecting part (600) is arranged near the tail part of the knife handle (100).

Images