CN216505266U

CN216505266U - Folding knife with locking mechanism

Info

Publication number: CN216505266U
Application number: CN202122933030.6U
Authority: CN
Inventors: 梁苏
Original assignee: Individual
Current assignee: Zhang Weiguang
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-13
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a folding knife with a locking mechanism, which comprises a cutting edge, a knife handle, a bottom frame and a lock tongue, wherein the bottom frame is connected inside the knife handle, the knife handle is connected onto the bottom frame, the lock tongue is arranged inside the bottom frame, the lock tongue corresponds to a cutting edge root clamping groove on the cutting edge, the lock tongue is connected inside a lock tongue box, a lock tongue spring is arranged between the lock tongue and the lock tongue box, the other end of the lock tongue box is connected with a connecting rod, a push head is arranged at the center of the connecting rod, a push head spring is arranged on one side of the push head and the knife handle, the connecting rod on the other side of the push head penetrates through a gear, a key rod is arranged inside the gear, a rotating wheel is arranged outside the gear, and a key groove hole is formed between the inner side surface of the rotating wheel and the connecting rod. The utility model utilizes the gear to match with the rotating wheel to lock the connecting rod, thereby improving the safety of the cutter, and simultaneously utilizes the lock tongue to match with the cutter blade root clamping groove, and can be quickly retracted when being contracted.

Description

Folding knife with locking mechanism

Technical Field

The utility model relates to the field of safety folding knives, in particular to a folding knife with a locking mechanism.

Background

In the prior art, the folding knife is convenient to carry, and in the carrying process, the folding knife is wholly in a closed state, and the knife edge part is hidden in the knife handle, so that the folding knife is safe. However, when the folding knife is in an open state and performs cutting, chipping, chopping and the like, the state of the knife head part where the knife edge is located is often unstable, and potential safety hazards are caused; meanwhile, after the folding knife is wholly closed, under individual conditions, the knife head part of the folding knife is not firmly closed and is automatically opened, so that potential safety hazards are caused.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a folding knife having a lock mechanism.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a roll over sword with locking mechanical system, includes cutting edge, handle of a knife, end bone, spring bolt, handle of a knife internal connection has end bone, be connected with the handle of a knife on the end bone, end bone inside is provided with the spring bolt, the spring bolt corresponds cutting edge root draw-in groove on the cutting edge, the spring bolt is connected in the spring bolt incasement portion, the spring bolt with be provided with the spring bolt spring between the spring bolt case, the spring bolt case other end is connected with the connecting rod, the connecting rod central point is provided with and pushes away the head, push away the head with handle of a knife one side is provided with and pushes away the head spring, it passes the gear to push away the head opposite side the connecting rod, the inside key lever that is provided with of gear, the gear outside is provided with the runner, the runner medial surface with be provided with the key slot hole between the connecting rod.

Preferably: the cutting edge is rotatably connected with the bottom bone, and the bottom bone is connected with the knife handle through a screw.

So configured, the bottom bone is used for installation and fixation.

Preferably: the spring bolt sliding connection the spring bolt case, spring bolt case sliding connection the end bone, the spring bolt case passes through threaded connection the connecting rod.

So set up, the spring bolt is used for locking on the cutting edge root draw-in groove.

Preferably: the connecting rod is connected with the bottom bone in a sliding mode and is connected with the rotating wheel and the gear in a sliding mode.

So set up, the connecting rod is used for driving the spring bolt case with the spring bolt removes, thereby makes the spring bolt cooperation the cutting edge root draw-in groove.

Preferably: the rotating wheel is rotationally connected with the gear, and the key rod key is connected with the gear.

So set up, the gear is used for cooperating the keyway hole is to the connecting rod locking.

Preferably: the key slot hole is integrally formed in the rotating wheel.

So configured, the key slot aperture is used to pass through the connecting rod.

Preferably: the cutting edge root clamping groove is integrally formed in the cutting edge.

So set up, integrated into one piece has guaranteed the cooperation effect.

Compared with the prior art, the utility model has the following beneficial effects:

1. utilize gear cooperation wheel to lock the connecting rod, improved the security of cutter, utilize the spring bolt cooperation sword root draw-in groove simultaneously, can withdraw fast when the shrink.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a folding knife with a locking mechanism according to the present invention;

FIG. 2 is a schematic view of a folding knife with a locking mechanism according to the present invention in an unfolded configuration;

FIG. 3 is a schematic view of a retracting mechanism of a folding knife having a locking mechanism according to the present invention;

fig. 4 is a schematic structural view of a turning wheel of a folding knife with a locking mechanism.

The reference numerals are illustrated below:

1. a blade; 2. a knife handle; 3. a bottom bone; 4. a latch bolt; 5. a latch bolt spring; 6. a bolt housing; 7. a connecting rod; 8. a pusher spring; 9. pushing the head; 10. a rotating wheel; 11. a gear; 12. a key lever; 13. a key slot hole; 14. a blade root clamping groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements 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", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model is further described below with reference to the accompanying drawings:

example 1

As shown in fig. 1-4, a folding knife with a locking mechanism comprises a knife edge 1, a knife handle 2, a bottom frame 3, a lock tongue 4, the knife handle 2 is connected with the bottom frame 3, the lock tongue 4 is arranged in the bottom frame 3, the lock tongue 4 corresponds to a knife edge root clamping groove 14 on the knife edge 1, the lock tongue 4 is connected in a lock tongue box 6, a lock tongue spring 5 is arranged between the lock tongue 4 and the lock tongue box 6, the other end of the lock tongue box 6 is connected with a connecting rod 7, a push head 9 is arranged at the center of the connecting rod 7, a push head spring 8 is arranged on one side of the push head 9 and one side of the knife handle 2, the connecting rod 7 on the other side of the push head 9 penetrates through a gear 11, a key rod 12 is arranged in the gear 11, a rotating wheel 10 is arranged outside the gear 11, and a key groove hole 13 is arranged between the inner side surface of the rotating wheel 10 and the connecting rod 7.

Preferably: the knife edge 1 is rotatably connected with a bottom frame 3, the bottom frame 3 is connected with the knife handle 2 through a screw, and the bottom frame 3 is used for installation and fixation; the lock tongue 4 is connected with a lock tongue box 6 in a sliding mode, the lock tongue box 6 is connected with the bottom bone 3 in a sliding mode, the lock tongue box 6 is connected with a connecting rod 7 through threads, and the lock tongue 4 is used for locking a blade root clamping groove 14 on the blade 1; the connecting rod 7 is connected with the bottom frame 3 in a sliding mode, the connecting rod 7 is connected with the rotating wheel 10 and the gear 11 in a sliding mode, and the connecting rod 7 is used for driving the bolt box 6 and the bolt 4 to move so that the bolt 4 is matched with the blade root clamping groove 14; the rotating wheel 10 is rotationally connected with a gear 11, a key rod 12 is in key connection with the gear 11, and the gear 11 is used for locking the connecting rod 7 in a manner of being matched with a key groove hole 13; a key slot hole 13 is integrally formed on the rotating wheel 10, and the key slot hole 13 is used for passing through the connecting rod 7; the blade root clamping groove 14 is integrally formed on the blade 1, and the matching effect is ensured by the integral forming.

The working principle is as follows: when the multi-wheel rotating wheel 10 rotates to the right position according to the set position, the key slot hole 13 in the rotating wheel 10 is aligned with the key slot holes of the gears 11, the connecting rod 7 slides along the key rod 12 under the action of the pushing head spring 8 to drive the bolt box 6 to move, and at the moment, the bolt 4 moves backwards after leaving the original position, so that the bolt 4 is separated from the blade root clamping groove 14. The knife edge can be opened to enter a use state, the connecting rod 7 is pushed to rotate the rotating wheel 10, the key groove hole 13 is staggered, the bolt box 6 and the bolt 4 are restored to the original positions, and the lock can be locked at any time.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A folding knife with a locking mechanism is characterized in that: the novel knife handle comprises a cutting edge (1), a knife handle (2), a bottom frame (3) and a lock tongue (4), wherein the bottom frame (3) is connected inside the knife handle (2), the knife handle (2) is connected onto the bottom frame (3), the lock tongue (4) is arranged inside the bottom frame (3), the lock tongue (4) corresponds to a cutting edge root clamping groove (14) on the cutting edge (1), the lock tongue (4) is connected inside a lock tongue box (6), a lock tongue spring (5) is arranged between the lock tongue (4) and the lock tongue box (6), the other end of the lock tongue box (6) is connected with a connecting rod (7), a push head (9) is arranged at the center of the connecting rod (7), a push head spring (8) is arranged on one side of the push head (9) and the knife handle (2), the connecting rod (7) on the other side of the push head (9) penetrates through a gear (11), and a key rod (12) is arranged inside the gear (11), a rotating wheel (10) is arranged outside the gear (11), and a key slot hole (13) is formed between the inner side surface of the rotating wheel (10) and the connecting rod (7).

2. The folding knife with a locking mechanism according to claim 1, wherein: the cutting edge (1) is rotatably connected with the bottom frame (3), and the bottom frame (3) is connected with the knife handle (2) through a screw.

3. The folding knife with a locking mechanism according to claim 1, wherein: the lock tongue (4) is in sliding connection with the lock tongue box (6), the lock tongue box (6) is in sliding connection with the bottom frame (3), and the lock tongue box (6) is in threaded connection with the connecting rod (7).

4. The folding knife with a locking mechanism according to claim 1, wherein: the connecting rod (7) is connected with the bottom frame (3) in a sliding mode, and the connecting rod (7) is connected with the rotating wheel (10) and the gear (11) in a sliding mode.

5. The folding knife with a locking mechanism according to claim 1, wherein: the rotating wheel (10) is rotationally connected with the gear (11), and the key rod (12) is in key connection with the gear (11).

6. A folding knife with locking mechanism according to claim 1, characterized in that: the key groove hole (13) is integrally formed in the rotating wheel (10).

7. The folding knife with a locking mechanism according to claim 1, wherein: the cutting edge root clamping groove (14) is integrally formed in the cutting edge (1).