CN220162510U - Butterfly knife with spring self-locking mechanism - Google Patents
Butterfly knife with spring self-locking mechanism Download PDFInfo
- Publication number
- CN220162510U CN220162510U CN202320394582.0U CN202320394582U CN220162510U CN 220162510 U CN220162510 U CN 220162510U CN 202320394582 U CN202320394582 U CN 202320394582U CN 220162510 U CN220162510 U CN 220162510U
- Authority
- CN
- China
- Prior art keywords
- groove
- knife
- connecting rod
- locking mechanism
- butterfly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000009471 action Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Knives (AREA)
Abstract
The butterfly knife with the spring self-locking mechanism comprises a knife head, a first knife handle and a second knife handle, wherein the first knife handle and the second knife handle are hinged to the knife head; the lock head comprises a sliding block which is connected to the first handle in a sliding way, an inlet groove and an outlet groove which are used for sliding of the connecting rod are formed in the sliding block, and a clamping groove which is clamped with the connecting rod is formed at the joint of the inlet groove and the outlet groove; the sliding block is provided with a top block for guiding the connecting rod, and the position of the top block corresponds to the position of the clamping groove; compared with the prior art, the connecting rod arranged in the clamping piece enters the inlet groove and slides into the clamping groove under the action of gravity through the movement of the sliding block, and the limit of the connecting rod is realized through the limit of the spring to the top block, so that the locking of the knife handle is realized, the danger in the playing process of the butterfly knife is avoided, and the safety of the butterfly knife is improved.
Description
Technical Field
The utility model relates to the technical field of butterfly knives, in particular to a butterfly knife with a spring self-locking mechanism.
Background
The utility model provides a butterfly knife is in unclamped state when placing to the material of handle of a knife structure and handle of a knife of butterfly among the prior art, further improved the intensity of butterfly knife, but not too much research in the aspect of butterfly knife's locking, in the in-service use, when butterfly knife receives the effect of external force, thereby the tool bit takes place to remove easily or drop and make the tool bit hurt the people, simultaneously when people are playing the in-process of butterfly knife, owing to do not have locking mechanism on the butterfly knife to make people easily take place danger when playing the butterfly knife.
Disclosure of Invention
The butterfly knife with the spring self-locking mechanism is simple in structure and capable of achieving rapid locking of the knife handle.
In order to achieve the above object, the present utility model adopts the following technical scheme: the butterfly knife with the spring self-locking mechanism comprises a knife head, a first knife handle and a second knife handle, wherein the first knife handle and the second knife handle are hinged to the knife head; the lock head comprises a sliding block which is connected to the first handle in a sliding way, an inlet groove and an outlet groove which are used for sliding of the connecting rod are formed in the sliding block, and a clamping groove which is clamped with the connecting rod is formed at the joint of the inlet groove and the outlet groove; the sliding block is provided with a top block for guiding the connecting rod, and the position of the top block corresponds to the position of the clamping groove; the clamping piece is provided with a positioning groove which is communicated with the inlet groove and the outlet groove simultaneously, and the sliding block is connected with a spring for limiting.
As a preferable mode of the utility model, the inlet groove and the outlet groove form a loop, and a notch communicated with the loop is formed on the side face of the sliding block.
As a preferable mode of the utility model, the outlet groove is horizontally arranged, the inlet groove is obliquely arranged downwards, and the outlet end of the outlet groove is the same as the inlet end of the inlet groove.
As a preferable mode of the utility model, control inclined planes corresponding to the inlet groove and the outlet groove are formed on the top block towards the clamping groove.
As a preferable mode of the utility model, a slope communicated with the positioning groove is formed at the joint of the inlet groove and the outlet groove.
As a preferable scheme of the utility model, one end of the connecting rod is provided with a telescopic rod, and the end part of the telescopic rod is abutted in the positioning groove.
As a preferable scheme of the utility model, the end part of the telescopic rod is of an arc-shaped structure, and an elastic piece for realizing the telescopic of the telescopic rod is arranged between the telescopic rod and the connecting rod.
As a preferable scheme of the utility model, one end of the spring is fixed on the first knife handle, and the other end of the spring is fixedly connected with the sliding block.
As a preferable scheme of the utility model, the end part of the first cutter handle is provided with a first groove, the lock head is fixedly arranged in the first groove, the end part of the second cutter handle is provided with a second groove corresponding to the first groove, and the clamping piece is fixedly arranged in the second groove.
As a preferable mode of the present utility model, the slider surface is formed with a bump for moving the slider.
Compared with the prior art, the utility model has the beneficial effects that:
1. the connecting rod arranged in the clamping piece enters the inlet groove and slides into the clamping groove under the action of gravity through the movement of the sliding block, and the limit of the connecting rod is realized through the limit of the spring to the jacking block, so that the locking of the cutter handle is realized, the danger in the playing process of the butterfly cutter is avoided, and the safety of the butterfly cutter is improved;
2. the telescopic rod slides to the outlet groove from the clamping groove through the sliding of the control sliding block until the telescopic rod slides out of the sliding block, and resets under the action of self elasticity and is clamped in the positioning groove again, so that the release between the lock head and the clamping piece is realized, the quick release of the butterfly knife handle is realized, and the playing safety of the butterfly knife is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a locking head;
FIG. 3 is a schematic structural view of the clip;
FIG. 4 is a schematic view of the structure of the slider;
fig. 5 is a schematic view of the structure of the handle in a locked state.
Reference numerals: tool bit 1, first handle of a knife 2, second handle of a knife 3, tapered end 4, fastener 5, slider 6, telescopic link 7, lug 8, spring 9, kicking block 10, joint groove 11, export groove 12, import groove 13, connecting rod 14, constant head tank 15, slope 16, first recess 17, second recess 18, breach 19.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, a butterfly knife with a spring self-locking mechanism comprises a knife head 1, a first knife handle 2 and a second knife handle 3 which are hinged on the knife head 1, wherein a lock head 4 is arranged at the end part of the first knife handle 2, a clamping piece 5 which is clamped with the lock head 4 is arranged at the end part of the second knife handle 3, and a connecting rod 14 corresponding to the lock head 4 is rotationally connected with the clamping piece 5; the lock head 4 comprises a sliding block 6 which is connected to the first tool handle 2 in a sliding way, an inlet groove 13 and an outlet groove 12 which are used for sliding a connecting rod 14 are formed on the sliding block 6, and a clamping groove 11 which is clamped with the connecting rod 14 is formed at the joint of the inlet groove 13 and the outlet groove 12; the sliding block 6 is provided with a top block 10 for guiding the connecting rod 14, and the position of the top block 10 corresponds to the position of the clamping groove 11; the clamping piece 5 is provided with a positioning groove 15 which is communicated with the inlet groove 13 and the outlet groove 12 at the same time, and the sliding block 6 is connected with a spring 9 for limiting.
The outlet end of the outlet groove 12 is the same as the inlet end of the inlet groove 13, the inlet groove 13 and the outlet groove 12 form a loop, a notch 19 communicated with the loop is formed on the side surface of the sliding block 6, the notch 19 is communicated with the positioning groove 15, and the connecting rod 14 can slide into the loop smoothly.
The outlet slot 12 is horizontally disposed so that friction generated between the link 14 and the slot wall of the outlet slot 12 is reduced when the link 14 slides from the outlet slot 12, thereby facilitating rapid disengagement of the link 14 from the outlet slot 12; the inlet slot 13 is arranged obliquely downwards, so that when the connecting rod 14 enters the joint of the outlet slot 12 and the inlet slot 13, the connecting rod slides into the inlet slot 13 under the action of gravity.
The top block 10 is formed with the control inclined plane corresponding to the inlet groove 13 and the outlet groove 12 respectively towards the direction of the clamping groove 11, the bottom end of the clamping groove 11 is lower than the control inclined plane below the top block 10, the upper end of the clamping groove 11 is higher than the control inclined plane above the top block 10, the connecting rod 14 enters into the clamping groove 11 through the control inclined plane below the top block 10, and the connecting rod 14 is separated from the clamping groove 11 through the control inclined plane above the top block 10, and the two inclined planes of the top block 10 are connected to form a triangle structure.
A slope 16 communicated with the positioning groove 15 is formed at the joint of the inlet groove 13 and the outlet groove 12, and the height of the slope 16 is gradually reduced along the notch 19 direction of the sliding block 6.
One end of the connecting rod 14 is provided with a telescopic rod 7, the end part of the telescopic rod 7 is abutted in the positioning groove 15, and the telescopic rod 7 is perpendicular to the connecting rod 14.
The end part of the telescopic rod 7 is of an arc-shaped structure, an elastic piece for realizing the telescopic of the telescopic rod 7 is arranged between the telescopic rod 7 and the connecting rod 14, the elastic piece is arranged in the telescopic rod 7, one end of the elastic piece is fixedly connected with the connecting rod 14, and the other end of the elastic piece is fixedly arranged in the telescopic rod 7; when the telescopic rod 7 is abutted to the slope 16, the slope 16 pushes the telescopic rod 7 to shrink through an arc-shaped structure at the end part of the telescopic rod 7, and the slope 16 is positioned between the telescopic rod 7 and the positioning groove 15, so that the telescopic rod 7 slides on the slope 16, then enters the inlet groove 13 through the slope 16 and is clamped in the clamping groove 11; when the telescopic rod 7 is separated from the sliding block 6 from the outlet groove 12 and returns to the positioning groove 15, the telescopic rod 7 is reset under the action of the elastic piece, so that the telescopic rod 7 is prevented from being separated from the positioning groove 15, and the connecting rod 14 can smoothly enter the sliding block 6 when the tool handle is locked next time.
One end of the spring 9 is fixed on the first knife handle 2, and the other end is fixedly connected with the sliding block 6.
The end part of the first cutter handle 2 is provided with a first groove 17, the lock head 4 is fixedly arranged in the first groove 17, the end part of the second cutter handle 3 is provided with a second groove 18 corresponding to the first groove 17, and the clamping piece 5 is fixedly arranged in the second groove 18; cover plates are arranged on the first groove 17 and the second groove 18, so that the lock head 4 and the clamping piece 5 are protected.
The surface of the slider 6 is formed with a projection 8 for moving the slider 6, and the projection 8 extends to the outside of the cover plate through a chute provided on the cover plate of the first groove 17 and the second groove 18, so that sliding of the slider 6 can be achieved through the projection 8.
In the actual use process:
when the tool handles are to be locked, the first tool handle 2 and the second tool handle 3 are combined together, then the sliding block 6 slides towards the clamping piece 5 through the manual control convex block 8 moving towards the second tool handle 3, when the slope 16 contacts the telescopic rod 7 in the positioning groove 15, the slope 16 slides continuously through the arc-shaped structure at the end part of the telescopic rod 7, at the moment, the elastic piece in the telescopic rod 7 is compressed, so that the telescopic rod 7 is contracted, and the telescopic rod 7 slides onto the slope 16; when the telescopic rod 7 slides to the joint of the inlet groove 13 and the outlet groove 12, the telescopic rod 7 enters the inlet groove 13 under the action of gravity, then the telescopic rod 7 is abutted against a control inclined plane below the top block 10, the convex block 8 is loosened at the moment, the sliding block 6 slides leftwards under the action of the spring 9, at the moment, the lower end of the clamping groove 11 is lower than the control inclined plane below the top block 10, so that the telescopic rod 7 enters the clamping groove 11, and the telescopic rod 7 is firmly fixed in the clamping groove 11 under the action of the tensile force of the spring;
when the tool handle is to be unlocked, the manual control lug 8 moves towards the second tool handle 3, so that the sliding block 6 slides towards the clamping piece 5, and the upper end of the clamping groove 11 is higher than the control inclined plane above the jacking block 10, so that the telescopic rod 7 slides into the outlet groove 12 through the control inclined plane above the jacking block 10, the control lug 8 moves towards the first tool handle 2, so that the sliding block 6 slides, the telescopic rod 7 is separated from the outlet groove 12, and the telescopic rod 7 stretches under the action of the elastic piece, so that the telescopic rod 7 enters into the positioning groove 15, and the connecting rod 14 is prevented from rotating downwards, so that unlocking of the tool handle is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the terms of tool bit 1, first tool shank 2, second tool shank 3, lock head 4, clip 5, slider 6, telescopic rod 7, bump 8, spring 9, top block 10, clamping groove 11, outlet groove 12, inlet groove 13, connecting rod 14, positioning groove 15, slope 16, first groove 17, second groove 18, notch 19, etc. are not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The butterfly knife with the spring self-locking mechanism comprises a knife head (1) and a first knife handle (2) and a second knife handle (3) which are hinged on the knife head (1), and is characterized in that a lock head (4) is arranged at the end part of the first knife handle (2), a clamping piece (5) which is clamped with the lock head (4) is arranged at the end part of the second knife handle (3), and a connecting rod (14) corresponding to the lock head (4) is rotationally connected to the clamping piece (5); the lock head (4) comprises a sliding block (6) which is connected to the first tool handle (2) in a sliding way, an inlet groove (13) and an outlet groove (12) which are used for sliding a connecting rod (14) are formed in the sliding block (6), and a clamping groove (11) which is clamped with the connecting rod (14) is formed at the joint of the inlet groove (13) and the outlet groove (12); a top block (10) for guiding the connecting rod (14) is formed on the sliding block (6), and the position of the top block (10) corresponds to the position of the clamping groove (11); the clamping piece (5) is provided with a positioning groove (15) which is communicated with the inlet groove (13) and the outlet groove (12) at the same time, and the sliding block (6) is connected with a spring (9) for limiting.
2. Butterfly knife with spring self-locking mechanism according to claim 1, characterized in that the inlet slot (13) and the outlet slot (12) form a loop, and the side of the slider (6) is formed with a notch (19) communicating with the loop.
3. A butterfly knife with a spring self-locking mechanism according to claim 2, characterized in that the outlet slot (12) is arranged horizontally and the inlet slot (13) is arranged obliquely downwards, the outlet end of the outlet slot (12) being identical to the inlet end of the inlet slot (13).
4. Butterfly knife with spring self-locking mechanism according to claim 1, characterized in that the top block (10) is formed with control bevels corresponding to the inlet slot (13) and the outlet slot (12), respectively, towards the clamping slot (11).
5. A butterfly knife with a spring self-locking mechanism according to claim 4, characterized in that a ramp (16) communicating with the positioning groove (15) is formed at the junction of the inlet groove (13) and the outlet groove (12).
6. The butterfly knife with the spring self-locking mechanism according to claim 1, wherein one end of the connecting rod (14) is provided with a telescopic rod (7), and the end part of the telescopic rod (7) is abutted in the positioning groove (15).
7. The butterfly knife with the spring self-locking mechanism according to claim 6, wherein the end part of the telescopic rod (7) is of an arc-shaped structure, and an elastic piece for realizing the telescopic of the telescopic rod (7) is arranged between the telescopic rod (7) and the connecting rod (14).
8. The butterfly knife with the spring self-locking mechanism according to claim 1, wherein one end of the spring (9) is fixed on the first knife handle (2), and the other end of the spring is fixedly connected with the sliding block (6).
9. The butterfly knife with the spring self-locking mechanism according to claim 1, wherein a first groove (17) is formed at the end part of the first knife handle (2), the lock head (4) is fixedly arranged in the first groove (17), a second groove (18) corresponding to the first groove (17) is formed at the end part of the second knife handle (3), and the clamping piece (5) is fixedly arranged in the second groove (18).
10. Butterfly knife with spring self-locking mechanism according to claim 1, characterized in that the surface of the slider (6) is formed with a bump (8) for moving the slider (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394582.0U CN220162510U (en) | 2023-03-06 | 2023-03-06 | Butterfly knife with spring self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394582.0U CN220162510U (en) | 2023-03-06 | 2023-03-06 | Butterfly knife with spring self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220162510U true CN220162510U (en) | 2023-12-12 |
Family
ID=89056968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320394582.0U Active CN220162510U (en) | 2023-03-06 | 2023-03-06 | Butterfly knife with spring self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220162510U (en) |
-
2023
- 2023-03-06 CN CN202320394582.0U patent/CN220162510U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4240202A (en) | Replaceable blade knife | |
| US8316993B1 (en) | Ladder safety device and method of using the same | |
| GB2476713A (en) | Power tool with push and insert modes | |
| CN208777741U (en) | A kind of building clamp | |
| US9551183B2 (en) | Ladder safety device having a building clamp assembly and a ladder hook assembly | |
| CN220162510U (en) | Butterfly knife with spring self-locking mechanism | |
| CN208190786U (en) | A kind of video camera | |
| US6431486B1 (en) | Braking structure for a tape measure | |
| CN109434879B (en) | Practical knife with locking structure | |
| US4485549A (en) | Apparatus for changing the tools of a punch press | |
| GB2490297A (en) | Conveniently removable toilet cover board connection device | |
| CN211598079U (en) | Variable indoor door lock back locking and unlocking mechanism | |
| US5174553A (en) | Adjustable lock mechanism | |
| WO2020010800A1 (en) | Locking mechanism and stroller | |
| CN211991843U (en) | Cutting fixing clamp for hardware machining | |
| CN212311469U (en) | Vertical type quick clamp | |
| CN212420482U (en) | Improved generation high-speed grip | |
| CN210240199U (en) | Tapered sleeve with lock | |
| CN211491171U (en) | Quick reverse-mounting clamp | |
| CN216913564U (en) | Self-locking clamping device | |
| CN211841613U (en) | Chuck assembly and multipurpose clamp | |
| CN214713873U (en) | Electric power construction safety climbing device | |
| CN113021206A (en) | Locking pliers with automatic adjusting function | |
| CN220124141U (en) | Quick inserting and hanging assembly | |
| US2573410A (en) | Work-holding fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |