CN214823860U - Self-locking mechanism of folding joint and folding joint - Google Patents
Self-locking mechanism of folding joint and folding joint Download PDFInfo
- Publication number
- CN214823860U CN214823860U CN202120707694.8U CN202120707694U CN214823860U CN 214823860 U CN214823860 U CN 214823860U CN 202120707694 U CN202120707694 U CN 202120707694U CN 214823860 U CN214823860 U CN 214823860U
- Authority
- CN
- China
- Prior art keywords
- joint
- locking
- self
- hook
- handle
- 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
Images
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model discloses a folding self-locking mechanism who connects and folding joint, this self-locking mechanism includes: the handle is provided with an installation position, and the locking assembly is arranged in the installation position; the safety hook assembly includes: the hook piece is arranged in an installation groove in the side face of the handle, the elastic piece is arranged at the bottom of the installation groove, the hook piece is provided with a horizontal bottom end, and the bottom end is abutted against the elastic piece; the locking shaft of the locking assembly is provided with a clamping groove, and the hook end of the hook member is engaged in the clamping groove. The utility model discloses a set up safe couple subassembly, in the locking back couple card interlock in the draw-in groove of locking axle to utilize the elastic component to realize the chucking effect, cooperation locking Assembly has strengthened locking intensity greatly and has eliminated the potential safety hazard that self-locking mechanism pine takes off.
Description
Technical Field
The utility model relates to a folding joint technical field especially relates to a folding self-locking mechanism who connects and folding joint.
Background
The folding bicycle or the electric bicycle is convenient to fold, occupies small space after being folded, and is popular. Folding bicycle or electric motor car need utilize folding joint to fold and lock when folding. The patent with the application number of 201020105491.3 discloses a quick clamping device for a joint, which comprises a first joint and a second joint which are hinged through a hinge shaft, and a clamping accessory for clamping the first joint and the second joint, wherein the first joint is provided with a hole opposite to the hinge shaft, a second shaft pin is arranged in the hole, a handle is hinged on the second shaft pin, and a clamping groove is arranged on the handle; the second joint is also provided with a hole opposite to the hinge shaft, a third shaft pin capable of freely rotating is arranged in the hole, the third shaft pin is provided with a screw hole, an adjusting shaft similar to a screw is assembled in the hole, the adjusting shaft penetrates through the whole screw hole and partially protrudes, the top of the adjusting shaft is provided with a head matched with the handle clamping groove in shape, and the adjusting shaft is also provided with an elastic piece for helping the adjusting shaft to rotate and reset. In the structure of the design, after the first connector and the second connector are locked by the clamping accessory, the head of the adjusting shaft is buckled in the clamping groove, so that locking is realized. In practical application, the locking strength is poor, the condition that the adjusting shaft is loosened and slides out from the clamping groove often occurs, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a folding self-locking mechanism who connects and folding joint.
The technical scheme of the utility model as follows: the utility model provides a folding self-locking mechanism who connects, it includes: the handle is provided with an installation position, and the locking assembly is arranged in the installation position; the safety hook assembly includes: the hook piece is arranged in an installation groove in the side face of the handle, the elastic piece is arranged at the bottom of the installation groove, the hook piece is provided with a horizontal bottom end, and the bottom end is abutted against the elastic piece; the locking shaft of the locking assembly is provided with a clamping groove, and the hook end of the hook piece is clamped in the clamping groove.
Furthermore, the bottom end of the hook piece extends outwards and downwards to form a blocking piece, and the blocking piece abuts against the outer side of the mounting groove; a fixing piece is arranged above the blocking piece and fixed on the side surface of the handle, and the lower end of the fixing piece is abutted against the blocking piece.
Furthermore, the locking assembly further comprises a ball screw and a torsion spring, the ball screw is fixed on the locking shaft, the ball end of the ball screw abuts against the handle, the torsion spring is sleeved on the locking shaft, the torsion spring is provided with a transverse first end and a longitudinal second end, the first end is connected onto the ball screw, and the second end is connected onto the external folding joint.
Furthermore, a ball head seat is arranged on the handle, and the ball head end of the ball head screw is matched in the ball head seat.
Furthermore, a through hole is formed in the end portion of the handle, and a rotating shaft enables the self-locking mechanism to be hinged to the folding joint through the through hole.
The utility model also provides a folding joint, first joint and the second that connects including the mutual articulated of one end connect, first joint with the relative other end articulated connection above item that the second connects self-locking mechanism.
Furthermore, the first joint is arranged above the second joint, the rotating shaft is hinged to the first joint, and the locking shaft is hinged to the second joint.
Further, the second end of the torsion spring passes through the second joint and is inserted on the first joint.
According to the above technical scheme, the utility model discloses a folding self-locking mechanism who connects and folding joint through setting up safe couple subassembly, in the draw-in groove of locking axle was located to the couple card after the locking to utilize the elastic component to realize the chucking effect, cooperation locking Assembly has strengthened locking Assembly's locking intensity greatly, can install on the folding joint of bicycle or electric motor car accessible, has eliminated the potential safety hazard that self-locking mechanism pine takes off.
Drawings
Fig. 1 is a schematic perspective view of the self-locking mechanism of the folding joint of the present invention.
Fig. 2 is a schematic cross-sectional view of the self-locking mechanism of the folding joint of the present invention.
Fig. 3 is a schematic perspective view of the folding joint of the present invention.
Reference numerals:
10-handle locking assembly 20-locking assembly 30-safety hook assembly
11-installation site 12-installation slot 31-hook member
32-elastic piece 33-barrier piece 34-fixing piece
21-locking shaft 22-ball head screw 23-torsion spring
211-card slot 221-ball end
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 2, the present invention provides a self-locking mechanism for a folding joint, the self-locking mechanism includes: the handle 10, the locking assembly 20 rotationally connected with the handle 10, and the safety hook assembly 30 matched with the locking assembly 20 and the handle 10 are provided with an installation position 11 of a digging hole on the handle 10, and the locking assembly 20 is arranged in the installation position 11. The safety hook assembly 30 includes: the hook piece 31 is installed in the installation groove 12 on the side surface of the handle 10, the elastic piece 32 is a spring, the spring is arranged at the bottom of the installation groove 12, the hook piece 31 is provided with a horizontal bottom end, and the bottom end is pressed against the spring; a locking shaft 21 of the locking assembly 20 is provided with a locking groove 211, and a hook end of the hook member 31 is clamped in the locking groove 211. When the locking assembly 20 of the self-locking mechanism is locked, the hanging member 31 is stably engaged with the locking shaft 21 under the elastic force of the elastic member 32, and is matched with the locking assembly 20, so that the locking strength of the locking assembly 20 is greatly enhanced, and the potential safety hazard of loosening of the self-locking mechanism is eliminated. Specifically, as shown in fig. 1, the bottom end of the hook 31 extends outward and downward to form a blocking member 33, and the blocking member 33 abuts against the outer side of the mounting groove 12; the hanging member 31 and the blocking member 33 are integrally formed, and form a ladder-shaped structure, and the horizontal bottom end of the hanging member 31 is the step. The blocking member 33 constitutes an outer wall of the mounting groove 12, and plays a role in limiting the elastic member 32. A fixing piece 34 is arranged above the blocking piece 33, the fixing piece 34 is fixed on the side surface of the handle 10 through screws, the lower end of the fixing piece 34 is abutted against the blocking piece 33, the limiting effect on the blocking piece 33 and the hanging member 31 is achieved, and the hanging member 31 and the locking shaft 21 are ensured to be always in an engaged state. And the detachable design of the fixing plate 34 facilitates the replacement or adjustment of the elastic part 32, and the operation is simple and convenient.
The structure of the locking assembly 20 is described in detail below, and specifically, the locking assembly 20 includes, in addition to the locking shaft 21: the handle comprises a ball screw 22 and a torsion spring 23, the ball screw 22 is fixed on the locking shaft 21, a ball end 221 of the ball screw 22 abuts against the handle 10, a main body of the torsion spring 23 is sleeved on the locking shaft 21, the torsion spring 23 is provided with a transverse first end and a longitudinal second end, the first end is wound and connected on the ball screw 22, and the second end is connected on an external folding joint (not shown). A ball head seat 12 is disposed on the handle 10 corresponding to the ball head end 221 of the ball head screw 22, and the ball head end 221 is adapted to the ball head seat 12 and can rotate in the ball head seat 12 to achieve a locking or unlocking function.
In addition, in order to realize the installation of the self-locking mechanism and the folding joint, a through hole 13 is arranged on the end part of the handle 10, and a rotating shaft (not shown) is used for hinging the self-locking mechanism on the folding joint through the through hole 13.
As shown in fig. 3, the present invention further provides a folding joint, which comprises a first joint 41 and a second joint 42, wherein one ends of the first joint 41 and the second joint 42 are hinged to each other, and the other opposite ends of the first joint 41 and the second joint 42 are hinged to each other to connect the self-locking mechanism. Specifically, the first joint 41 is disposed above the second joint 42, and a space is provided at a position of the first joint 41 and a position of the second joint 42 corresponding to the handle 10, and the handle 10 is mounted in the space. The rotating shaft is hinged to the first joint 41, and the locking shaft 21 is hinged to the second joint 42. The second end of the torsion spring 23 passes through the second joint 42 and is inserted on the first joint 41. The handle 10 is rotated, under the action of the torsion spring, the ball end 221 of the ball screw 22 enters the ball seat 12 to lock the first joint 41 and the second joint 42, at this time, the hanging member 31 is meshed with the locking shaft 21, and when the ball end 221 of the ball screw 22 accidentally slides out of the ball seat 12, the hanging member 31 and the locking shaft 21 are still in a meshed state under the action of an elastic piece, so that the first joint 41 and the second joint 42 still keep a locked state, and the safety performance of the self-locking mechanism and the folding joint is improved.
To sum up, the utility model provides a folding self-locking mechanism who connects and folding joint, it is through setting up safe couple subassembly, and locking back couple card is located in the draw-in groove of locking axle to utilize the elastic component to realize the chucking effect, strengthened locking assembly's locking intensity greatly, can install on the folding joint of bicycle or electric motor car without obstacle, eliminated the potential safety hazard that self-locking mechanism pine takes off. The utility model discloses a self-locking structure and folding joint have dual locking guarantee, have strengthened the security performance greatly, are worth wideling popularize the use.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A self-locking mechanism of a folding joint is characterized by comprising: the handle is provided with an installation position, and the locking assembly is arranged in the installation position; the safety hook assembly includes: the hook piece is arranged in an installation groove in the side face of the handle, the elastic piece is arranged at the bottom of the installation groove, the hook piece is provided with a horizontal bottom end, and the bottom end is abutted against the elastic piece; the locking shaft of the locking assembly is provided with a clamping groove, and the hook end of the hook member is engaged in the clamping groove.
2. The self-locking mechanism of claim 1, wherein the bottom end of the hook member extends outward and downward to form a blocking member, and the blocking member abuts against the outer side of the mounting groove; a fixing piece is arranged above the blocking piece and fixed on the side surface of the handle, and the lower end of the fixing piece is abutted against the blocking piece.
3. The self-locking mechanism according to claim 1 or 2, wherein the locking assembly further comprises a ball screw and a torsion spring, the ball screw is fixed on the locking shaft, a ball end of the ball screw abuts against the handle, the torsion spring is sleeved on the locking shaft, the torsion spring is provided with a first transverse end and a second longitudinal end, the first end is connected to the ball screw, and the second end is connected to the outer folding joint.
4. The self-locking mechanism of claim 3 wherein the handle has a socket, the head end of the ball screw fitting into the socket.
5. A folding joint comprising a first joint and a second joint hingedly connected at one end to one another, wherein the opposing ends of the first joint and the second joint are hingedly connected to a self-locking mechanism as claimed in any one of claims 1 to 4.
6. The folding joint of claim 5 wherein said first joint is disposed above said second joint, a pivot is hingedly connected to said first joint, and said locking shaft is hingedly connected to said second joint.
7. The folding joint of claim 5 wherein the second end of the torsion spring of the locking assembly is inserted through the second joint and onto the first joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707694.8U CN214823860U (en) | 2021-04-07 | 2021-04-07 | Self-locking mechanism of folding joint and folding joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707694.8U CN214823860U (en) | 2021-04-07 | 2021-04-07 | Self-locking mechanism of folding joint and folding joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214823860U true CN214823860U (en) | 2021-11-23 |
Family
ID=78762321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707694.8U Active CN214823860U (en) | 2021-04-07 | 2021-04-07 | Self-locking mechanism of folding joint and folding joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214823860U (en) |
-
2021
- 2021-04-07 CN CN202120707694.8U patent/CN214823860U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10492609B2 (en) | Mechanism to prevent sliding for cabinet drawers | |
| CN214823860U (en) | Self-locking mechanism of folding joint and folding joint | |
| CN214729394U (en) | Novel double-safety self-locking mechanism | |
| CN214565933U (en) | Novel self-locking mechanism | |
| CN215851675U (en) | Double-lock mechanism with safety hook | |
| CN110901483A (en) | Safety seat base and side impact protection mechanism thereof | |
| CN214138816U (en) | High folding scooter of security | |
| CN212243053U (en) | Two-way lock mechanism of child safety seat and child safety seat | |
| CN215752829U (en) | Self-locking mechanism with safety lock catch | |
| CN212890756U (en) | Folding joint | |
| CN210338172U (en) | Foldable bicycle | |
| CN214241056U (en) | Seat and electric vehicle | |
| CN110893805A (en) | Child safety seat | |
| CN217524368U (en) | Double-back functional chair with reset handle | |
| CN217100320U (en) | Novel internal clamping type self-locking mechanism | |
| CN211996004U (en) | Scooter pushes away a folding mechanism and scooter | |
| CN215621530U (en) | Seat turnover mechanism and seat turnover system | |
| CN218986728U (en) | Baby carriage bracket adapting to automobile seat and baby carriage | |
| CN216332520U (en) | Internal clamping type self-locking mechanism capable of realizing conduction of internal circuit | |
| CN210750143U (en) | Moped with easily-detachable backrest | |
| CN217260489U (en) | Hidden inside callipers self-locking mechanism | |
| CN221316545U (en) | Integrated foldable bicycle trailer frame | |
| CN220114754U (en) | Bolt type folding mechanism and scooter | |
| CN116658515A (en) | Folding joint | |
| CN219077385U (en) | Folding structure and electric scooter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |