Knife unlocking device for frame lock folding knife or line lock folding knife

Abstract

The utility model provides a knife unlocking device for a frame lock folding knife or a line lock folding knife, which comprises a frame lock assembly or a line lock assembly, the frame lock assembly or the line lock assembly is provided with a first knife handle and a second knife handle, a knife hiding space is formed between the first knife handle and the second knife handle, the front end of the first knife handle is provided with a first through hole, and the front end of the second knife handle is provided with a second through hole; a folding knife; the folding knife further comprises an axis unlocking mechanism, and the folding knife is rotatably arranged between the first through hole and the second through hole through the axis unlocking mechanism; when the axis unlocking mechanism is pressed, the folding knife is rotationally unfolded in the circumferential direction to be in a straightened state after being separated from the knife hiding space; on the contrary, when the axis unlocking mechanism is loosened, the folding knife can be rotated into the knife hiding space in the circumferential direction. Compared with the prior art, the folding knife has the advantages that the axis unlocking mechanism is arranged, the pressing unlocking function of the folding knife is added, the hand of a user cannot be cut in the using process, and therefore the folding knife has the high protection performance and use safety; and only pressing is needed for operation, so that the use is convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of knife products, in particular to a knife unlocking device for a frame lock folding knife or a wire lock folding knife. Background Art

[0002] In the current folding knife market, integrated lock folding knives are becoming more and more popular among consumers, and consumers have higher and higher requirements for the various performance of knives. They not only need to conform to usage habits and have a stable structure, but more importantly, they have high requirements for safety protection.

[0003] For example, a utility model patent authorized in China discloses a new type of pin lock folding knife with a publication number of CN203125536U, and specifically discloses "a new type of pin lock folding knife, comprising a knife body and a scabbard, wherein the knife body and one end of the scabbard are hinged by a rotating shaft, characterized in that: a first notch and a second notch are provided on the back of the knife and the blade side at the connection between the knife body and the scabbard, a first card slot is provided on the upper part of the connection between the scabbard and the knife body, a pin corresponding to the first and second notches is provided in the first card slot, the pin is connected to a spring, one end of the spring is fixed to the scabbard, a second card slot is provided at the top of the connection between the scabbard and the knife body, an inverted triangle push handle is provided in the second card slot, and the lower part of the push handle is sleeved on the pin." A knife with this structure may cut the user's hand during use, especially when the knife is put away, resulting in low safety and poor safety protection.

[0004] To this end, the utility model provides a knife unlocking device for a frame lock folding knife or a wire lock folding knife. Utility Model Content

[0005] In view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a knife unlocking device for a frame lock folding knife or a wire lock folding knife, which will not cut the user's hands during use and has the advantages of high protection and safety in use.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A knife unlocking device for a frame lock folding knife or a wire lock folding knife, comprising

[0008] A frame lock assembly or a wire lock assembly, comprising a first knife handle and a second knife handle, wherein a knife storage space is formed between the first knife handle and the second knife handle, a first through hole is provided at the front end of the first knife handle, and a second through hole is provided at the front end of the second knife handle;

[0009] Folding knife;

[0010] It also includes an axis unlocking mechanism, and the folding knife is rotatably arranged between the first through hole and the second through hole through the axis unlocking mechanism;

[0011] When the axis unlocking mechanism is pressed, the folding knife is separated from the knife storage space and then rotated in the circumferential direction to be stretched out to a straight state; on the contrary, when the axis unlocking mechanism is released, the folding knife can be rotated in the circumferential direction into the knife storage space.

[0012] As a further preferred technical solution of the utility model, the axis unlocking mechanism includes

[0013] A button, a spring, an axial pin, a support tube and a lock assembly, wherein the support tube has a tube head and a longitudinal tube portion embedded in the second through hole, the button can be embedded in the first through hole along the longitudinal direction, the side wall of the longitudinal tube portion has a notch, the top end of the spring abuts against the lower surface of the button, and the bottom end of the spring is sleeved on the top side wall of the support tube;

[0014] One end of the axis pin is fixed to the button, and the other end of the axis pin extends into the support tube and is pressed and contacted with the lock component located in the support tube. The end of the folding knife is fixed to the outer wall of the longitudinal tube, and the lock component extending out of the notch is arranged on the second handle.

[0015] As a further preferred technical solution of the utility model, the lock assembly includes a linkage plate with a contact portion at the end and a lock brake plate, the upper surface of the second knife handle is provided with a sink groove, and the lower surface of the second knife handle is provided with a receiving opening connected to the second through hole;

[0016] After one end of the linkage plate extends into the notch, its contact portion presses and contacts with the bottom end of the axial nail, and the other end of the linkage plate is inserted into the accommodating opening and embedded in the locking brake plate; the locking brake plate can be slidably embedded in the recessed groove and locked with the second tool handle.

[0017] As a further preferred technical solution of the utility model, the button surface is provided with a downwardly concave arc surface;

[0018] The outer peripheral annular surface of the arc-shaped surface is provided with a plurality of notches, and two adjacent notches are arranged with equal arcs in the circumferential direction.

[0019] As a further preferred technical solution of the present invention, the end portion of the first tool handle away from the axial unlocking mechanism is screwed to the end portion of the second tool handle there via at least one screw.

[0020] As a further preferred technical solution of the present utility model, there are two screws.

[0021] As a further preferred technical solution of the present invention, the first knife handle, the second knife handle and the folding knife are all integral parts made of steel.

[0022] As described above, the knife unlocking device for a frame lock folding knife or a wire lock folding knife provided by the utility model has the following beneficial effects:

[0023] The utility model utilizes the above-mentioned knife unlocking device for frame lock folding knife or wire lock folding knife. Compared with the prior art, due to the adoption of such a structure, an axial unlocking mechanism is provided. Compared with the existing frame lock folding knife or wire lock folding knife structure, the push-to-unlock function of the folding knife is added, and the user will not cut his hands during use, thereby having the advantages of higher protection and safety of use; and the operation only needs to be pressed, which is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a folding knife in an unfolded state in a knife unlocking device for a frame lock folding knife or a wire lock folding knife according to the utility model;

[0025] Figure 2 This is a front view of the knife unlocking device for a frame lock folding knife or a wire lock folding knife applied for the utility model;

[0026] Figure 3 for Figure 2 AA cross-sectional view;

[0027] Figure 4 for Figure 3 A magnified schematic diagram of the structure at point B in the middle. DETAILED DESCRIPTION

[0028] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0029] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this utility model without affecting the effects that can be produced by this utility model and the purposes that can be achieved. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of this utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of this utility model without substantial changes in the technical content. The specific structure can be described with reference to the drawings of the patent application. Example 1

[0030] The utility model provides a knife unlocking device for a frame lock folding knife or a wire lock folding knife, please refer to Figures 1 to 4 Shown, including

[0031] A frame lock assembly or a wire lock assembly, comprising a first knife handle 1 and a second knife handle 2, wherein a knife storage space 12 is formed between the first knife handle 1 and the second knife handle 2, a first through hole 10 is provided at the front end of the first knife handle 1, and a second through hole 20 is provided at the front end of the second knife handle 2;

[0032] Folding knife 3;

[0033] It also includes an axis unlocking mechanism 4, and the folding knife 3 is rotatably arranged between the first through hole 10 and the second through hole 20 through the axis unlocking mechanism 4;

[0034] When the axis unlocking mechanism 4 is pressed, the folding knife 3 is separated from the knife storage space 12 and then rotated in the circumferential direction to be stretched out to a straight state; on the contrary, when the axis unlocking mechanism 4 is released, the folding knife 3 can be rotated into the knife storage space 12 in the circumferential direction.

[0035] During use, the user can manually press the axial unlocking mechanism 4 to allow the folding knife 3 to detach from the knife storage space 12 and then rotate in the circumferential direction to unfold into a straight state; conversely, when the axial unlocking mechanism 4 is released, the folding knife 3 can be rotated into the knife storage space 12 in the circumferential direction, thereby completing the storage or unfolding of the folding knife 3, which has the advantages of high protection and safety in use; and the operation only requires pressing, which is convenient and quick to use.

[0036] It should be noted that the device of the present application can be applied to a frame lock folding knife structure or a wire lock folding knife structure in the prior art.

[0037] Combination Figure 1 , Figure 3 as well as Figure 4 As shown, in this embodiment, the specific structure of the axis unlocking mechanism 4 is shown below. The axis unlocking mechanism 4 includes

[0038] A button 40, a spring 41, an axial pin 42, a support tube 43 and a lock assembly 44. The support tube 43 has a tube head 430 and a longitudinal tube 431 embedded in the second through hole 20. The button 40 can be embedded in the first through hole 10 along the longitudinal direction. The side wall of the longitudinal tube 431 has a notch 432. The top end of the spring 41 abuts against the lower surface of the button 40, and the bottom end of the spring 41 is sleeved and fixed on the top side wall of the support tube 43.

[0039] One end of the axis pin 42 is fixed to the button 40, and the other end of the axis pin 42 extends into the support tube 43 and is pressed and contacted with the lock assembly 44 located in the support tube 43. The end of the folding knife 3 is fixed to the outer wall of the longitudinal tube 431, and the lock assembly 44 extending out of the notch 432 is arranged on the second handle 2.

[0040] Combination Figure 4 As shown, in this embodiment, the lock assembly 44 includes a linkage plate 440 with a contact portion 442 at the end and a lock brake plate 441, the upper surface of the second knife handle 2 is provided with a sink groove 21, and the lower surface of the second knife handle 2 is provided with a receiving opening 22 connected with the second through hole 20;

[0041] After one end of the linkage plate 440 extends into the notch 432, its contact portion 442 is pressed and contacted with the bottom end of the axial pin 42, and the other end of the linkage plate 440 is inserted into the accommodating opening 22 and embedded in the locking brake plate 441; the locking brake plate 441 can be slidably embedded in the recessed groove 21 and locked with the second knife handle 2. Example 2

[0042] Based on Example 1, Figure 1 and Figure 4 As shown, in this embodiment, the button 40 has a surface with a downwardly concave arc surface 400;

[0043] The outer peripheral annular surface of the arc surface 400 is provided with a plurality of notches 401, and two adjacent notches 401 are arranged with equal arcs along the circumferential direction. With the notches 401, the user only needs to press the arc surface 400 with a finger to easily trigger the entire folding knife folding process, which is simple and quick to operate; and the notches 401 can reduce the material used to make the button 40, and the manufacturing and processing cost is low.

[0044] Combination Figure 1 As shown, in this embodiment, the end of the first handle 1 away from the axis unlocking mechanism 4 is screwed to the end of the second handle 2 there through at least one screw 5. In this embodiment, there are two screws 5.

[0045] In this embodiment, the first knife handle 1, the second knife handle 2 and the folding knife 3 are all integral parts made of steel.

[0046] As described above, the knife unlocking device for a frame lock folding knife or a wire lock folding knife provided by the utility model has the following beneficial effects:

[0047] The utility model utilizes the above-mentioned knife unlocking device for frame lock folding knife or wire lock folding knife. Compared with the prior art, due to the adoption of such a structure, an axial unlocking mechanism is provided. Compared with the existing frame lock folding knife or wire lock folding knife structure, the push-to-unlock function of the folding knife is added, and the user will not cut his hands during use, thereby having the advantages of higher protection and safety of use; and the operation only needs to be pressed, which is convenient and quick to use.

[0048] The above is only a preferred implementation of the present invention. It should be noted that, for ordinary technicians in this field, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A knife unlocking device for a frame lock folding knife or a wire lock folding knife, comprising: A frame lock assembly or a wire lock assembly, comprising a first knife handle and a second knife handle, wherein a knife storage space is formed between the first knife handle and the second knife handle, a first through hole is provided at the front end of the first knife handle, and a second through hole is provided at the front end of the second knife handle; Folding knife; characterized by: It also includes an axis unlocking mechanism, and the folding knife is rotatably arranged between the first through hole and the second through hole through the axis unlocking mechanism; When the axis unlocking mechanism is pressed, the folding knife is separated from the knife storage space and then rotated in the circumferential direction to be stretched out to a straight state; on the contrary, when the axis unlocking mechanism is released, the folding knife can be rotated in the circumferential direction into the knife storage space.

2. The knife unlocking device for a frame lock folding knife or a wire lock folding knife according to claim 1, characterized in that: The axis unlocking mechanism comprises A button, a spring, an axial pin, a support tube and a lock assembly, wherein the support tube has a tube head and a longitudinal tube portion embedded in the second through hole, the button can be embedded in the first through hole along the longitudinal direction, the side wall of the longitudinal tube portion has a notch, the top end of the spring abuts against the lower surface of the button, and the bottom end of the spring is sleeved on the top side wall of the support tube; One end of the axis pin is fixed to the button, and the other end of the axis pin extends into the support tube and is pressed and contacted with the lock component located in the support tube. The end of the folding knife is fixed to the outer wall of the longitudinal tube, and the lock component extending out of the notch is arranged on the second handle.

3. The knife unlocking device for a frame lock folding knife or a wire lock folding knife according to claim 2, characterized in that: The lock assembly comprises a linkage plate with a contact portion at the end and a lock brake plate, the upper surface of the second knife handle is provided with a sink groove, and the lower surface of the second knife handle is provided with a receiving opening communicated with the second through hole; After one end of the linkage plate extends into the notch, its contact portion presses and contacts with the bottom end of the axial nail, and the other end of the linkage plate is inserted into the accommodating opening and embedded in the locking brake plate; the locking brake plate can be slidably embedded in the recessed groove and locked with the second tool handle.

4. The knife unlocking device for a frame lock folding knife or a wire lock folding knife according to claim 2, characterized in that: The button surface is provided with a downwardly concave arc surface; The outer peripheral annular surface of the arc-shaped surface is provided with a plurality of notches, and two adjacent notches are arranged with equal arcs in the circumferential direction.

5. A knife unlocking device for a frame lock folding knife or a wire lock folding knife according to any one of claims 1 to 4, characterized in that: The end portion of the first tool handle away from the axis unlocking mechanism is screwed to the end portion of the second tool handle there via at least one screw.

6. The knife unlocking device for a frame lock folding knife or a wire lock folding knife according to claim 5, characterized in that: There are two screws.

7. A knife unlocking device for a frame lock folding knife or a wire lock folding knife according to any one of claims 1 to 4, characterized in that: The first knife handle, the second knife handle and the folding knife are all integral parts made of steel.

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