CN214776352U - Folding joint capable of being automatically buckled and locked - Google Patents
Folding joint capable of being automatically buckled and locked Download PDFInfo
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- CN214776352U CN214776352U CN202121006658.5U CN202121006658U CN214776352U CN 214776352 U CN214776352 U CN 214776352U CN 202121006658 U CN202121006658 U CN 202121006658U CN 214776352 U CN214776352 U CN 214776352U
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- folding joint
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Abstract
The utility model discloses a folding joint with automatic buckling and locking, relating to the technical field of locking mechanisms of mechanical connection, wherein a sliding locking block is arranged on a folder A block of the folding joint, the free end of the folder A block is provided with a hole, a convex part is arranged on the locking block, and the hole extends out; the upper layer of the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a V-shaped inclined plane; a self-locking structure is arranged beside the V-shaped inclined plane; the bottom of the locking block is provided with a first guide surface; an adjusting nut is arranged on one side, close to the joint rotating shaft, of the locking block, the adjusting nut is hollow, and a sliding rod and a spring are installed inside the adjusting nut; one end of the sliding rod, which is close to the eccentric handle, is fixedly connected with an abrasion protection part, and the abrasion protection part is contacted with the surface of the eccentric wheel of the eccentric handle under the action of a spring force; the inner side of the free end of the B block of the folder is provided with a chute corresponding to the V-shaped inclined plane and a straight groove corresponding to the plane of the self-locking structure; and a second guide inclined plane corresponding to the first guide surface is arranged on the B block of the folder.
Description
Technical Field
The utility model relates to a locking mechanical system technical field of mechanical connection, in particular to folding joint of automatic lock locking.
Background
The folding bicycle is popular with people since the coming out, and the folding bicycle is an important tool for people to ride instead of walk and build body because of small volume and convenient storage after being folded. Folding bicycle or foldable electric scooter usually all realize folding function through folding joint, folding joint design's quality plays crucial effect to measuring folding bicycle's quality usually, folding locking function's quality, self-locking mechanism's security, life's length, the convenience of operation, the cost of preparation etc. have decided a folding quality of connecting.
Various folding joints are arranged on the market at present, most of the folding joints are opened under external force before the handle is not locked when being closed, and great potential safety hazards exist when the handle is forgotten to be locked sometimes. Some self-locking mechanisms with structures are designed well, self-locking is realized when the folding joint is folded, and the folding joint cannot be opened when the handle is not locked, for example, the folding joint with the automatic safety device with the patent number ZL201120216897.3 is self-locked when the joint is folded, and the folding joint cannot be opened even if the handle is not locked, so that the folding joint has good functions and safety. But it realizes this auto-lock function through increasing a series of parts and structure, and locking structure is other parts and structure again and realizes, and the part is many, and the structure is complicated, and limited space designs too much parts, and the part size is little, and intensity is not enough, and processing assembly is all difficult, and is with high costs. Thus limiting its wide use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic folding joint of lock locking to solve the defect of prior art product, improve the grade of product, increase its security, reduce cost.
The utility model provides an automatic folding joint of lock locking, including scray A piece and scray B piece, still include: an eccentric handle; the folder A block, the folder B block and the eccentric handle are rotationally connected through a joint rotating shaft; the folder A block is provided with a slidable locking block which abuts against the free end of the folder A block; the free end of the folder A block is provided with a hole, the locking block is provided with a convex part, and the convex part extends out of the folder A block through the hole; the upper layer of the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a V-shaped inclined plane; a self-locking structure is arranged beside the V-shaped inclined plane; the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a first guide surface; an adjusting nut is arranged on one side, close to the joint rotating shaft, of the locking block, the adjusting nut is hollow, and a sliding rod and a spring are installed in the adjusting nut; a spring is sleeved on the sliding rod, one end of the sliding rod, which is close to the eccentric handle, is fixedly connected with an abrasion protection part, and the abrasion protection part is contacted with the surface of the eccentric wheel of the eccentric handle under the action of the spring force;
the inner side of the free end of the B block of the folder is provided with a chute corresponding to the V-shaped inclined plane, and the part of the chute is provided with a straight groove corresponding to the plane of the self-locking structure; a second guide inclined plane is arranged on the folder B block and is opposite to the straight groove or the inclined groove; the position of the second guide inclined plane corresponds to the position of the first guide surface.
Optionally, a wire passing hole is formed in the middle of the locking block.
Optionally, a guide rail groove is formed in the inner portion of the folder a block, a guide rail corresponding to the guide rail groove is installed on the locking block, and the locking block is slidably installed on the folder a block through the guide rail and the guide rail groove.
Optionally, the self-locking structure is specifically a raised edge beside the V-shaped inclined plane; the first guide surface is arranged on the lower layer of the V-shaped inclined surface.
Optionally, the self-locking structure is specifically a planar structure disposed beside the V-shaped inclined plane, and the first guide surface is disposed on the lower layer of the V-shaped inclined plane and the lower layer of the planar structure.
The utility model has the advantages that: the utility model provides a pair of folding joint of automatic lock locking, self-locking mechanism utilize latch segment part itself, do not need to increase the part in addition, auto-lock and two unifications of locking part, in folding joint limited volume, the part size can design bigger, and intensity is better, and simple structure has better economic nature simultaneously, and processing, the equipment is more convenient, and the function is more reliable. Convenient operation, simple and beautiful appearance and strong practical value.
Drawings
Fig. 1 is a front cross-sectional view of an automatic buckling and locking folding joint provided in an embodiment of the present invention;
fig. 2 is a perspective view of the folding joint with an automatic locking function according to an embodiment of the present invention;
fig. 3 is a schematic view of the folding joint with automatic locking according to the first embodiment of the present invention after being opened by a certain angle;
fig. 4 is a schematic structural view of a block a of a folder of a folding joint capable of automatically buckling and locking according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a locking block of a folding joint capable of automatically locking and buckling according to a first embodiment of the present invention;
fig. 6 is a front cross-sectional view of a folding joint capable of automatically buckling and locking according to a second embodiment of the present invention;
fig. 7 is a perspective view of the folding joint with an automatic locking function according to the second embodiment of the present invention;
fig. 8 is a schematic view of the folding joint with automatic locking according to the second embodiment of the present invention after being opened by a certain angle;
fig. 9 is a schematic view of a block a of a folder of a folding joint for automatically buckling and locking according to a second embodiment of the present invention;
fig. 10 is a schematic structural view of a locking block of a folding joint capable of automatically locking and buckling according to a second embodiment of the present invention;
reference numerals: 1 is a folder A block, 2 is a folder B block, 3 is an eccentric handle, 4 is a joint rotating shaft, 5 is a locking block, 6 is an adjusting nut, 7 is a sliding rod, 8 is a wear protection part and 9 is a spring; 101 is a guide rail groove, 102 is a hole, 201 is an inclined groove, and 202 is a straight groove; 203 is a second guide inclined plane, 301 is an eccentric wheel, 501 is a guide rail, 502 is a V-shaped inclined plane, 503 is a self-locking structure, 504 is a first guide surface, 505 is a convex part, and 506 is a wire passing hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment provides an automatic buckling and locking folding joint which comprises a folder A block, a folder B block and an eccentric handle; the folder A block, the folder B block and the eccentric handle are rotationally connected through a joint rotating shaft; the folder A block is provided with a slidable locking block which abuts against the free end of the folder A block; the free end of the folder A block is provided with a hole, the locking block is provided with a convex part, and the convex part extends out of the folder A block through the hole; the upper layer of the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a V-shaped inclined plane; a self-locking structure is arranged beside the V-shaped inclined plane; the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a first guide surface; an adjusting nut is arranged on one side, close to the joint rotating shaft, of the locking block, the adjusting nut is hollow, and a sliding rod and a spring are installed in the adjusting nut; a spring is sleeved on the sliding rod, one end of the sliding rod, which is close to the eccentric handle, is fixedly connected with an abrasion protection part, and the abrasion protection part is contacted with the surface of the eccentric wheel of the eccentric handle under the action of the spring force;
the inner side of the free end of the B block of the folder is provided with a chute corresponding to the V-shaped inclined plane, and the part of the chute is provided with a straight groove corresponding to the plane of the self-locking structure; a second guide inclined plane is arranged on the folder B block at a position opposite to the straight groove or the inclined groove; the position of the second guide inclined plane corresponds to the position of the first guide surface.
Preferably, the middle part of the locking block is provided with a wire passing hole.
Preferably, a guide rail groove is formed in the inner part of the folder a block, a guide rail corresponding to the guide rail groove is installed on the locking block, and the locking block is slidably installed on the folder a block through the guide rail and the guide rail groove.
Optionally, the self-locking structure is a planar structure disposed beside the V-shaped inclined plane, and the first guide surface is disposed at a lower layer of the V-shaped inclined plane and a lower layer of the planar structure.
Optionally, the self-locking structure is specifically a raised edge beside the V-shaped inclined plane; the first guide surface is arranged at the lower layer of the V-shaped inclined surface.
Specifically, as shown in fig. 1 to 5, the embodiment provides an automatic buckling and locking folding joint, which includes a folder a block 1, a folder B block 2, and an eccentric handle 3, where one end of the folder a block 1 is hinged to the folder B block 2 and the eccentric handle 3, the folder a block 1 is rotatably connected to the folder B block 2 and the eccentric handle 3 through a joint rotating shaft 4, a guide rail groove 101 is formed in the folder a block 1, a locking block 5 is installed on the guide rail groove 101, and a guide rail 501 on the locking block 5 can slide linearly along the guide rail groove 101; the inner side of the free end of the B block 2 of the folder is provided with a chute 201 corresponding to a V-shaped inclined surface 502 of the locking block 5, a part of the chute 201 is provided with a straight groove 202 corresponding to a self-locking structure 503 on the locking block 5, a second guide inclined surface 203 is arranged at the opposite position of the straight groove 202 or the chute 201 of the B block 2 of the folder, a first guide surface 504 is arranged at the corresponding position of the locking block 5, and specifically, the first guide surface 504 is arranged at the lower layer of the V-shaped inclined surface 502 of the locking block 5 and the lower layer of the self-locking structure 503. The self-locking structure 503 is a planar structure disposed on two sides of the V-shaped inclined surface 502 of the locking block 5. One end of the locking block 5 close to the joint rotating shaft 4 is provided with an adjusting nut 6, the adjusting nut 6 is hollow, a spring 9 and a sliding rod 7 are installed inside, one end of the sliding rod 7 close to the eccentric handle 3 is fixedly connected with an abrasion protection part 8, under the action of the spring 9, the abrasion protection part 8 is in surface contact with an eccentric wheel 301 of the eccentric handle 3, the locking block 5 abuts against the free end of the folder A block 1, the free end of the folder A block 1 is provided with a hole 102, a protruding part 505 is arranged on the locking block 5, and the locking block extends out of the folder A block 1 through the hole 102. When the folder B block 2 is closed, the second guide inclined surface 203 at the position opposite to the straight groove 202 or the inclined groove 201 of the folder B block 2 acts on the first guide surface 504 at the position opposite to the locking block 5, the locking block 5 is retreated by the compression spring 9, so that the folder B block is closed, after the folder B block is closed, under the action of the spring 9, the locking block 5 abuts against the free end of the folder A block 1, the self-locking structure 503 on the locking block 5 enters the straight groove 202 of the folder B block 2, at the moment, when the folder is tried to be opened, the direction of the force acting on the self-locking structure 503 of the locking block 5 is vertical to the central line of the spring 9, the component force of the compression spring 9 cannot be formed, therefore, the locking block 5 cannot be retreated, the folder cannot be opened, and the folding or self-locking is realized. At this time, the eccentric handle 3 is rotated, the thick side of the eccentric wheel 301 of the eccentric handle 3 pushes the wear protection part 8, so that the locking block 5 is pushed to the free end of the folder, and the V-shaped inclined surface 502 of the locking block 5 acts on the inclined groove 201 on the B block 2 of the folder, so that the folder is locked. When the folding joint is to be opened, the eccentric handle 3 is rotated, so that the thin side of the eccentric wheel 301 of the eccentric handle 3 contacts the abrasion protection part 8, and then the convex part 505 arranged on the locking block 5 at the position of the hole 102 arranged at the free end of the folder A block 1 is pressed, so that the self-locking structure 503 on the locking block 5 is separated from the straight groove 202 of the folder B block 2, and meanwhile, the folding joint can be opened by rotating the folder B block 2. The locking block 5 may be centrally provided with a wire passing hole 506.
The utility model provides a pair of folding joint of automatic lock locking, self-locking mechanism utilize latch segment part itself, do not need to increase the part in addition, auto-lock and two unifications of locking part, in folding joint limited volume, the part size can design bigger, and intensity is better, and simple structure has better economic nature simultaneously, and processing, the equipment is more convenient, and the function is more reliable. Convenient operation, simple and beautiful appearance and strong practical value.
Example 2
The embodiment provides an automatic buckling and locking folding joint, as shown in fig. 6-10, the embodiment provides an automatic buckling and locking folding joint, which comprises a folder a block 1, a folder B block 2 and an eccentric handle 3, wherein one end of the folder a block 1 is hinged to the folder B block 2, the eccentric handle 3 is rotatably connected through a joint rotating shaft 4, a guide rail groove 101 is formed in the folder a block 1, a locking block 5 is installed on the guide rail groove 101, and a guide rail 501 on the locking block 5 can linearly slide along the guide rail groove 101; the inner side of the free end of the folder B block 2 is provided with a chute 201 corresponding to a V-shaped inclined surface 502 of the locking block 5, a part of the chute 201 is provided with a straight groove 202 corresponding to a self-locking structure 503 on the locking block 5, a second guide inclined surface 203 is arranged at the opposite position of the straight groove 202 or the chute 201 of the folder B block 2, a first guide surface 504 is arranged at the corresponding position of the locking block 5, and specifically, the self-locking structure 503 is specifically a raised plane edge beside the V-shaped inclined surface 502 of the locking block 5 and is integrally formed with the V-shaped inclined surface 502; the first guide surface 504 is disposed below the V-shaped slope 502 of the locking block 5. One end of the locking block 5 close to the joint rotating shaft 4 is provided with an adjusting nut 6, the adjusting nut 6 is hollow, a spring 9 and a sliding rod 7 are installed inside, one end of the sliding rod 7 close to the eccentric handle 3 is fixedly connected with an abrasion protection part 8, under the action of the spring 9, the abrasion protection part 8 is in surface contact with an eccentric wheel 301 of the eccentric handle 3, the locking block 5 abuts against the free end of the folder A block 1, the free end of the folder A block 1 is provided with a hole 102, a protruding part 505 is arranged on the locking block 5, and the locking block extends out of the folder A block 1 through the hole 102. When the folder B block 2 is closed, the second guide inclined surface 203 at the position opposite to the straight groove 202 or the inclined groove 201 of the folder B block 2 acts on the first guide surface 504 at the position opposite to the locking block 5, the locking block 5 is retreated by the compression spring 9, so that the folder B block is closed, after the folder B block is closed, under the action of the spring 9, the locking block 5 abuts against the free end of the folder A block 1, the self-locking structure 503 on the locking block 5 enters the straight groove 202 of the folder B block 2, at the moment, when the folder is tried to be opened, the direction of the force acting on the self-locking structure 503 of the locking block 5 is vertical to the central line of the spring 9, the component force of the compression spring 9 cannot be formed, therefore, the locking block 5 cannot be retreated, the folder cannot be opened, and the folding or self-locking is realized. At this time, the eccentric handle 3 is rotated, the thick side of the eccentric wheel 301 of the eccentric handle 3 pushes the wear protection part 8, so that the locking block 5 is pushed to the free end of the folder, and the V-shaped inclined surface 502 of the locking block 5 acts on the inclined groove 201 on the B block 2 of the folder, so that the folder is locked. When the folding joint is to be opened, the eccentric handle 3 is rotated, so that the thin side of the eccentric wheel 301 of the eccentric handle 3 contacts the abrasion protection part 8, and then the convex part 505 arranged on the locking block 5 at the position of the hole 102 arranged at the free end of the folder A block 1 is pressed, so that the self-locking structure 503 on the locking block 5 is separated from the straight groove 202 of the folder B block 2, and meanwhile, the folding joint can be opened by rotating the folder B block 2. The locking block 5 may be centrally provided with a wire passing hole 506.
The utility model provides a pair of folding joint of automatic lock locking, self-locking mechanism utilize latch segment part itself, do not need to increase the part in addition, auto-lock and two unifications of locking part, in folding joint limited volume, the part size can design bigger, and intensity is better, and simple structure has better economic nature simultaneously, and processing, the equipment is more convenient, and the function is more reliable. Convenient operation, simple and beautiful appearance and strong practical value.
In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connecting" should be understood broadly, and may be communication between two elements, and may be directly connected, and "upper," "lower," "left," "right," and the like are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
the above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an automatic folding joint of lock, includes folder A piece and folder B piece, its characterized in that still includes: an eccentric handle; the folder A block, the folder B block and the eccentric handle are rotationally connected through a joint rotating shaft; the folder A block is provided with a slidable locking block which abuts against the free end of the folder A block; the free end of the folder A block is provided with a hole, the locking block is provided with a convex part, and the convex part extends out of the folder A block through the hole; the upper layer of the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a V-shaped inclined plane; a self-locking structure is arranged beside the V-shaped inclined plane; the bottom of the locking block close to one side of the free end of the block A of the folder is provided with a first guide surface; an adjusting nut is arranged on one side, close to the joint rotating shaft, of the locking block, the adjusting nut is hollow, and a sliding rod and a spring are installed in the adjusting nut; a spring is sleeved on the sliding rod, one end of the sliding rod, which is close to the eccentric handle, is fixedly connected with an abrasion protection part, and the abrasion protection part is contacted with the surface of the eccentric wheel of the eccentric handle under the action of the spring force;
the inner side of the free end of the B block of the folder is provided with a chute corresponding to the V-shaped inclined plane, and the part of the chute is provided with a straight groove corresponding to the plane of the self-locking structure; a second guide inclined plane is arranged on the folder B block and is opposite to the straight groove or the inclined groove; the position of the second guide inclined plane corresponds to the position of the first guide surface.
2. The folding joint capable of automatically buckling and locking as claimed in claim 1, wherein a wire passing hole is formed in the middle of the locking block.
3. The folding joint capable of automatically fastening and locking according to claim 1, wherein a guide rail groove is formed in the inner portion of the folder A block, a guide rail corresponding to the guide rail groove is installed on the locking block, and the locking block is slidably installed on the folder A block through the guide rail and the guide rail groove.
4. An automatically snap-locking folding joint according to claim 1, 2 or 3, characterized in that said self-locking structure is in particular a raised edge beside said V-shaped bevel; the first guide surface is arranged on the lower layer of the V-shaped inclined surface.
5. The folding joint according to claim 1, 2 or 3, wherein the self-locking structure is a planar structure disposed beside the V-shaped inclined surface, and the first guide surface is disposed under the V-shaped inclined surface and under the planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006658.5U CN214776352U (en) | 2021-05-12 | 2021-05-12 | Folding joint capable of being automatically buckled and locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006658.5U CN214776352U (en) | 2021-05-12 | 2021-05-12 | Folding joint capable of being automatically buckled and locked |
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| Publication Number | Publication Date |
|---|---|
| CN214776352U true CN214776352U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121006658.5U Active CN214776352U (en) | 2021-05-12 | 2021-05-12 | Folding joint capable of being automatically buckled and locked |
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| Country | Link |
|---|---|
| CN (1) | CN214776352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273530A (en) * | 2021-12-29 | 2022-04-05 | 奇瑞汽车股份有限公司 | Die limiting device |
-
2021
- 2021-05-12 CN CN202121006658.5U patent/CN214776352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273530A (en) * | 2021-12-29 | 2022-04-05 | 奇瑞汽车股份有限公司 | Die limiting device |
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