CN216781895U - Folding knife with safety locking function - Google Patents

Abstract

The utility model belongs to the technical field of folding knives, and relates to a folding knife with a safety lock, wherein a limit groove is further arranged on one side, close to the tail part of a knife handle, of the root part of a knife body, a locking part is slidably arranged at the position of an installation groove on the side wall of the knife handle, and a limit part is further extended towards the inner side of an accommodating space on the locking part, so that when the locking part moves towards the root part of the knife body, the limit part can enter the limit groove to limit the knife body to move between an opening position and a closing position, and the knife body and the knife handle are locked, so that the folding knife is prevented from being easily opened when the folding knife is closed and not used, and the use experience of a user when the folding knife is used is improved.

Description

Folding knife with safety locking function

Technical Field

The utility model belongs to the technical field of folding knives, and relates to a folding knife with a safety lock.

Background

At present, because the folding knife is convenient to use and is more and more favored by consumers, the requirements of the consumers on various performances of the knife are higher and higher, the requirements are met, the use habit is not only required to be met, the structure is stable, and more importantly, the requirements on safety protection are high. 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

The utility model aims to overcome the defects in the prior art and provide a folding knife with a safety lock, which can prevent the folding knife from being easily opened when the folding knife is closed and is not used.

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

a folding knife with safety lock, comprising:

a handle, the handle comprising: the cutter comprises a cutter body, a first handle part and a second handle part which are symmetrically arranged, wherein a preset distance is arranged between the first handle part and the second handle part, so that an accommodating space for storing the cutter body can be formed between the first handle part and the second handle part;

the cutter body is located in the accommodation space, the cutter body includes: the cutter comprises a root and a cutter edge part connected with the root, wherein the root of the cutter body is rotationally connected with the head of the cutter handle through a pivot shaft, the cutter edge part of the cutter body can move between an opening position and a closing position, and one side of the root of the cutter body, which is close to the tail part of the cutter handle, is also provided with a limiting groove;

the locking component is arranged at the mounting groove on the side wall of the cutter handle in a sliding manner, can move close to or far away from the root of the cutter body, and is also provided with a limiting part extending towards the inner side of the accommodating space;

when the locking component moves towards the root of the cutter body, the limiting part can enter the limiting groove to limit the cutter body to move between the opening position and the closing position, so that the cutter body and the cutter handle are locked.

Furthermore, a positioning part is further arranged at one end, close to the tail part of the cutter body, of the locking part, an unlocking slot position and a locking slot position are further arranged on the side wall of the mounting groove, and the unlocking slot position and the locking slot position are both located on a moving path of the locking part; when the knife handle and the knife body are in a locking state, the positioning part is positioned in the locking groove.

Further, the positioning portion includes: the two positioning bulges are respectively positioned on the upper side and the lower side of the locking part, and correspondingly, the upper side wall and the lower side wall of the mounting groove are respectively provided with a locking groove position and an unlocking groove position.

Further, the locking member further includes: the base part is arranged in the mounting groove, and the poking part penetrates out of the side wall of the tool handle and is positioned outside the accommodating space.

Furthermore, the locking component is also provided with an opening part which is positioned between the two positioning bulges so that the upper side and the lower side of the opening part can form an elastic support arm.

Further, the bottom of the knife handle is also provided with a clearance area, and the clearance area is close to the tail end of the knife handle.

Furthermore, the outer side wall of the knife handle is also provided with a guide groove, and the shifting part is positioned in the guide groove.

Further, a clamping groove is further formed in one side, far away from the tail portion of the cutter handle, of the root portion of the cutter body, and a first cutter stopping component is further fixedly arranged between the first handle portion and the second handle portion; when the cutter body is completely positioned in the closed position, the first cutter stopping component is positioned in the clamping 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.

Further, the length of the guide groove is equal to the distance between the locking groove position and the unlocking groove position on the same side of the locking component.

The utility model has the beneficial effects that:

one side of the tail portion of the knife handle is provided with a limiting groove, the locking part is slidably arranged at the mounting groove on the side wall of the knife handle, the locking part further faces towards the inner side of the accommodating space, a limiting part extends to the inner side of the accommodating space, the limiting part can enter the limiting groove to limit the knife body to move between an opening position and a closing position and lock the knife body and the knife handle when the locking part moves towards the root portion of the knife body, and therefore the folding knife is prevented from being easily opened when the folding knife is closed and not used, and the use experience of a user when the folding knife is used is improved.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the folding knife in a locked position;

FIG. 4 is a schematic view of the folding knife in an unlocked position;

FIG. 5 is a schematic view of the locking member of the present invention;

fig. 6 is a schematic view of the structure of the first handle portion of the present invention.

The labels in the figure are: 100-a knife handle, 110-a first handle part, 120-a second handle part, 130-a containing space, 140-a mounting groove, 141-an unlocking groove position, 142-a locking groove position, 150-a clearance area and 160-a guide groove; 200-cutter body, 210-root, 211-limiting groove, 212-clamping groove, 220-blade part; 300-locking part, 310-limiting part, 320-base part, 330-toggle part; 340-positioning part, 341-positioning projection; 350-an opening part; 400-a first knife stopping member; 500-a connecting member; 600-inner liner sheet; 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 or similar 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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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", etc., indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, a folding knife with safety lock includes: a tool shank 100, a tool body 200, and a locking member 300; the tool shank 100 includes: a first shank 110 and a second shank 120 are symmetrically arranged, and a predetermined distance is provided between the first shank 110 and the second shank 120, so that an accommodating space 130 for storing the cutter body 200 can be formed between the first shank 110 and the second shank 120; the cutter body 200 is provided in the accommodating space 130, and the cutter body 200 includes: the cutter comprises a root part 210 and a blade part 220 connected with the root part 210, wherein the root part 210 of the cutter body 200 is rotatably connected with the head part of the cutter handle 100 through a pivot shaft 700, the blade part 220 of the cutter body 200 can move between an opening position and a closing position, and one side of the root part 210 of the cutter body 200, which is close to the tail part of the cutter handle 100, is also provided with a limiting groove 211; the locking member 300 is slidably disposed at the mounting groove 140 on the sidewall of the tool holder 100, and the locking member 300 can move toward or away from the root 210 of the tool body 200, and the locking member 300 includes: the base part 320, the limiting part 310 connected with the base part 320 and the toggle part 330 connected with the base part 320, the base part 320 is arranged in the mounting groove 140, the toggle part 330 penetrates out of the side wall of the tool holder 100 and is positioned outside the accommodating space 130, and the limiting part 310 extends towards the inner side of the accommodating space 130 from the base part 320; when the locking member 300 moves toward the root 210 of the cutter body 200, the stopper 310 can enter the stopper groove 211 to restrict the cutter body 200 from moving between the open position and the closed position, so as to lock the cutter body 200 and the cutter handle 100.

The limiting groove 211 is further formed in one side, close to the tail of the tool holder 100, of the root 210 of the tool body 200, the locking component 300 is slidably arranged in the mounting groove 140 in the side wall of the tool holder 100, specifically, the mounting groove 140 is located on the first handle 110, and the locking component 300 further extends towards the inner side of the accommodating space 130 to form the limiting portion 310, so that when the locking component 300 moves towards the root 210 of the tool body 200, the limiting portion 310 can enter the limiting groove 211 to limit the tool body 200 to move between the open position and the closed position, and the tool body 200 and the tool holder 100 are locked, so that the folding tool is prevented from being easily opened when the folding tool is closed and not used, and the use experience of a user when the folding tool is used is improved.

In the above embodiment, one end of the locking member 300 close to the tail of the cutter body 200 is further provided with a positioning portion 340, specifically, the positioning portion 340 includes: the two positioning protrusions 341 are respectively located on the upper side and the lower side of the locking part 300, the side wall of the mounting groove 140 is further provided with an unlocking slot position 141 and a locking slot position 142, the unlocking slot position 141 and the locking slot position 142 are both located on a moving path of the locking part 300, the distance from the locking slot position 142 to the limiting groove 211 is smaller than the distance from the unlocking slot position 141 to the limiting groove 211, and the upper side wall and the lower side wall of the mounting groove 140 are both provided with the locking slot position 142 and the unlocking slot position 141; when the hilt 100 and the knife body 200 are in the locked state, the positioning portion 340 is located in the locking slot 142, and when the hilt 100 and the knife body 200 are in the unlocked state, the positioning portion 340 is located in the unlocking slot 141.

In the above embodiment, the locking member 300 is further provided with the opening portion 350, the opening portion 350 is located between the two positioning protrusions 341, so that the upper side and the lower side of the opening portion 350 can form elastic support arms, and the opening portion 350 is arranged such that when the locking member 300 is pushed, the support arms with the positioning protrusions 341 on the two sides of the opening portion 350 can move relatively due to being squeezed, so that the positioning protrusions 341 can be disengaged from the locking slot 142 or the unlocking slot 141, and when the positioning protrusions 341 are appropriate to the locking slot 142 or the unlocking slot 141, the two support arms can be deformed again, so that the positioning protrusions 341 can be clamped into the unlocking slot 141 or the locking slot 142, so as to position the locking member 300 and the tool holder 100.

In the above embodiment, in order to ensure that the user can conveniently take out the knife body 200 from the accommodating space 130 when using the knife body 200, the bottom of the knife handle 100 is further provided with the clearance area 150, and the clearance area 150 is close to the tail end of the knife handle 100.

In the above embodiment, in order to facilitate a user to toggle the locking switch, the guide groove 160 is further disposed on the outer side wall of the handle 100, the toggle portion 330 is located in the guide groove 160, and in order to prevent the toggle switch from being pushed excessively, the length of the guide groove 160 is equal to the distance between the locking slot 142 and the unlocking slot 141 on the same side of the locking part 300, so that when the wave part is pushed from one end of the guide groove 160 to the other end, the positioning protrusion 341 can be located in the locking slot 142 or the unlocking slot 141 exactly.

In the above embodiment, the root 210 of the cutter body 200 is further provided with a clamping groove 212 on a side away from the tail of the cutter handle 100, and a first cutter stopping component 400 is further fixedly arranged between the first handle portion 110 and the second handle portion 120; when the cutter body 200 is completely located in the closed position, the first cutter stopping member 400 is located in the clamping groove 212, and further, a connecting member 500 for connecting the first handle 110 and the second handle 120 is further disposed between the first handle 110 and the second handle 120, and the connecting member 500 is disposed near the tail of the cutter handle 100.

In the above embodiment, an inner lining 600 is further disposed between two opposite inner sidewalls of the accommodating space 130.

The working principle is as follows: when the folding knife needs to be used, the knife body 200 is located in the accommodating space 130, the positioning protrusions 341 are located in the locking groove 142, and then the toggle part 330 is pushed towards the tail part of the knife handle 100, at this time, the positioning protrusions 341 are squeezed by the side walls of the locking groove 142, so that the elastic support arms on the upper side and the lower side of the opening part 350 can deform, and thus the elastic support arms on the upper side and the lower side of the opening part 350 can move relatively, the positioning protrusions 341 on the two elastic support arms can be separated from the locking groove 142, the toggle part 330 is continuously pushed towards the tail part of the knife handle 100, the limiting part 310 is separated from the limiting groove 211, when the positioning protrusions 341 move to the position corresponding to the unlocking groove 141, the two elastic support arms can restore to deform, so that the two elastic support arm seats move backwards, the two positioning protrusions 341 enter the unlocking groove 141, and the elastic support arms provide elastic clamping force for the two positioning protrusions 341, so as to position the positioning protrusion 341 into the unlocking slot 141, thereby unlocking the knife body 200 and the knife handle 100; after the folding knife is used, the knife body 200 of the folding knife is rotated to enable the knife body 200 to enter the accommodating space 130, then the toggle part 330 is pushed towards the root 210 of the knife body 200, at the moment, the positioning protrusions 341 are squeezed by the side walls of the unlocking slot 141, so that the elastic support arms on the upper side and the lower side of the opening part 350 can deform, the elastic support arms on the upper side and the lower side of the opening part 350 can move relatively, the positioning protrusions 341 on the two elastic support arms can be separated from the unlocking slot 141, the toggle part 330 is continuously pushed towards the tail part of the knife handle 100, when the positioning protrusions 341 move to the position corresponding to the unlocking slot 141, the limiting part 310 enters the limiting groove 211, and the two elastic support arms can restore deformation, so that the two elastic support arm seats move backwards, the two positioning protrusions 341 enter the locking slot 142, and the elastic support arms provide elastic clamping force for the two positioning protrusions 341, so as to position the positioning protrusion 341 into the locking groove 142, thereby achieving the locking of the cutter body 200 and the cutter handle 100.

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

Claims (10)

1. A folding knife with safety lockout, comprising:

a knife handle (100), the knife handle (100) comprising: the cutter comprises a first handle part (110) and a second handle part (120) which are symmetrically arranged, wherein a preset distance is arranged between the first handle part (110) and the second handle part (120) so that a containing space (130) for storing the cutter body (200) can be formed between the first handle part (110) and the second handle part (120);

a cutter body (200) provided in the accommodating space (130), the cutter body (200) comprising: the cutter comprises a root (210) and a blade part (220) connected with the root (210), wherein the root (210) of the cutter body (200) is rotatably connected with the head part of the cutter handle (100) through a pivot shaft (700), the blade part (220) of the cutter body (200) can move between an opening position and a closing position, and one side, close to the tail part of the cutter handle (100), of the root (210) of the cutter body (200) is also provided with a limiting groove (211);

the locking component (300) is slidably arranged at the mounting groove (140) on the side wall of the cutter handle (100), the locking component (300) can move close to or away from the root part (210) of the cutter body (200), and a limiting part (310) also extends towards the inner side of the accommodating space (130) on the locking component (300);

when the locking component (300) moves towards the root (210) of the cutter body (200), the limiting part (310) can enter the limiting groove (211) to limit the cutter body (200) to move between the open position and the closed position, so that the cutter body (200) and the cutter handle (100) are locked.

2. The folding knife with the safe locking function as claimed in claim 1, wherein a positioning part (340) is further arranged at one end, close to the tail part of the knife body (200), of the locking part (300), an unlocking slot (141) and a locking slot (142) are further arranged on the side wall of the mounting groove (140), and the unlocking slot (141) and the locking slot (142) are both located on a moving path of the locking part (300); when the knife handle (100) and the knife body (200) are in a locking state, the positioning part (340) is located in the locking groove position (142).

3. A folding knife with safety lock according to claim 2, characterized in that the positioning portion (340) comprises: the two positioning protrusions (341) are respectively positioned on the upper side and the lower side of the locking part (300), and correspondingly, the upper side wall and the lower side wall of the mounting groove (140) are respectively provided with a locking groove position (142) and an unlocking groove position (141).

4. A folding knife with safety lock according to claim 3, characterized in that the locking member (300) further comprises: the base (320) is arranged in the mounting groove (140), and the poking part (330) penetrates out of the side wall of the tool handle (100) and is located outside the accommodating space (130).

5. A folding knife with safety lock as claimed in claim 3, characterized in that the locking part (300) is provided with an opening (350), the opening (350) being located between two positioning protrusions (341) so that the upper and lower sides of the opening (350) can form elastic arms.

6. The folding knife with the safety lock according to claim 1, characterized in that a clearance area (150) is further arranged at the bottom of the knife handle (100), and the clearance area (150) is close to the tail end of the knife handle (100).

7. The folding knife with safety lock according to claim 4, characterized in that the outer side wall of the handle (100) is further provided with a guide groove (160), and the toggle part (330) is located in the guide groove (160).

8. The folding knife with the safety lock as claimed in claim 1, wherein a slot (212) is further provided on a side of the root (210) of the knife body (200) away from the tail of the knife handle (100), and a first knife stopping member (400) is further fixedly provided between the first handle part (110) and the second handle part (120); wherein, when the cutter body (200) is completely in the closed position, the first cutter stopping component (400) is positioned in the clamping groove (212).

9. The folding knife with safety lock according to claim 1, wherein a connecting part (500) for connecting the first handle (110) and the second handle (120) is further disposed between the first handle (110) and the second handle (120), and the connecting part (500) is disposed near the tail of the knife handle (100).

10. The folding knife with safety lock as claimed in claim 7, characterized in that the length of the guide groove (160) is equal to the distance between the locking groove (142) and the unlocking groove (141) on the same side of the locking part (300).

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