CN115402452B - Folding joint - Google Patents

Folding joint Download PDF

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Publication number
CN115402452B
CN115402452B CN202110852857.6A CN202110852857A CN115402452B CN 115402452 B CN115402452 B CN 115402452B CN 202110852857 A CN202110852857 A CN 202110852857A CN 115402452 B CN115402452 B CN 115402452B
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China
Prior art keywords
handle
joint
eccentric
connecting rod
assembly
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Active
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CN202110852857.6A
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Chinese (zh)
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CN115402452A (en
Inventor
赵晓宏
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Hubei Lisheng Environmental Protection Equipment Technology Co ltd
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Hubei Lisheng Environmental Protection Equipment Technology Co ltd
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Publication of CN115402452A publication Critical patent/CN115402452A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a folding joint which comprises a first joint, a second joint, a handle component and a connecting rod component, wherein one side of the first joint is hinged with one side of the second joint through a hinge pin, a clamping groove is formed in the other side of the first joint opposite to the first joint, and the handle component is eccentrically hinged with the other side of the second joint opposite to the second joint; one end of the connecting rod assembly is rotatably arranged on the handle assembly, the other end of the connecting rod assembly extends upwards to penetrate through the clamping groove, the other end of the connecting rod assembly penetrating through the clamping groove is expanded to form a clamping convex part, and the lower end face of the clamping convex part is abutted to the upper end face of the clamping groove; rotating the handle assembly to enable the connecting rod assembly to ascend, and rotating the connecting rod assembly to enable the connecting rod assembly to move out of the clamping groove when the connecting rod assembly ascends to the highest position; wherein, when the link assembly is located at the highest position, the click-on part is located on a rotation path of the first joint centering around the hinge pin. The folding joint provided by the invention has high reliability and good safety.

Description

Folding joint
Technical Field
The invention relates to the technical field of bicycles and electric bicycle parts, in particular to a folding joint.
Background
When not in use, the folding bicycle can fold the relevant parts, the volume is greatly reduced after folding, the occupied space is small, and the folding bicycle is convenient to carry and store, so that the folding bicycle is popular with users.
The folding joint is an important part on the folding bicycle, and the folding bicycle realizes the rapid folding or unfolding of the bicycle through the folding joint. The technical scheme discloses a quick clamping device, has connecting plate, support, take eccentric shaft, the tie bolt of handle to constitute, has the step on the locking piece, and the plane of step is located the shaft hole department of locking piece, is equipped with radial group lock on the eccentric shaft, can stir the locking piece and rotate to drive the tie bolt and withdraw from or block into the opening of connecting plate. The device is suitable for clamping after the two connecting plates are butted, and can be completely opened or locked only by one action of a spanner handle. However, the wrench handle is easy to unlock by being touched by mistake during riding, so that the potential safety hazard is large and the reliability is poor.
Disclosure of Invention
The invention aims to provide a folding joint which is high in reliability and good in safety.
The technical scheme adopted by the folding joint disclosed by the invention is as follows:
the folding joint comprises a first joint, a second joint, a handle component and a connecting rod component, wherein one side of the first joint is hinged with one side of the second joint through a hinge pin, a clamping groove is formed in the other side of the first joint, and the handle component is eccentrically hinged with the other side of the second joint; one end of the connecting rod assembly is rotatably arranged on the handle assembly, the other end of the connecting rod assembly extends upwards to penetrate through the clamping groove, the other end of the connecting rod assembly penetrating through the clamping groove is expanded to form a clamping convex part, and the lower end face of the clamping convex part is abutted to the upper end face of the clamping groove; rotating the handle assembly to enable the connecting rod assembly to ascend, and rotating the connecting rod assembly to enable the connecting rod assembly to move out of the clamping groove when the connecting rod assembly ascends to the highest position; wherein, when the link assembly is located at the highest position, the click-on part is located on a rotation path of the first joint centering around the hinge pin.
Preferably, the handle assembly comprises a tension spring, one end of the tension spring is connected with the hinge pin, and the other end of the tension spring is connected with the connecting rod assembly.
As a preferable scheme, the handle assembly comprises a handle, an eccentric part and a handle pin, wherein the handle pin is arranged on the other side of the second joint, the eccentric part is eccentrically hinged with the handle pin, and one end of the handle is connected with the eccentric part; one end of the connecting rod assembly forms a ring body, and the ring body is rotatably sleeved on the eccentric part; the handle or the eccentric piece is provided with a first limiting part, the ring body is provided with a second limiting part, the first limiting part rotates along with the handle or the eccentric piece, and the second limiting part is positioned on a rotating path of the first limiting part.
Preferably, the eccentric part comprises an eccentric wheel and a positioning pin, the eccentric wheel is eccentrically arranged on the handle pin in a penetrating manner, and the positioning pin is connected with the eccentric wheel and the handle.
Preferably, the eccentric part comprises an eccentric wheel, the eccentric wheel is integrally formed at one end of the handle, and the eccentric wheel is eccentrically arranged on the handle pin.
Preferably, the eccentric part comprises an eccentric wheel, the eccentric wheel is provided with a first positioning surface, a containing hole penetrating through the width direction of the handle is formed in the handle, and a second positioning surface is formed in the containing hole; the eccentric wheel is arranged in the accommodating hole, and the first positioning surface is opposite to the second positioning surface.
As an optimal scheme, the first limiting part is a limiting groove formed in the outer wall of the eccentric part, the second limiting part is a limiting protrusion formed by protruding from the inner wall of the ring body, the eccentric part is arranged in the ring body, and the limiting protrusion is positioned in the limiting groove.
As a preferable scheme, the first limiting part is a limiting surface formed at one end of the handle, the second limiting part is a limiting protrusion protruding from the outer wall of the ring body, the limiting surface rotates along with the handle, and the limiting protrusion is located on a rotating path of the limiting surface.
As a preferable scheme, the connecting rod assembly comprises a connecting rod and an adjusting rod, wherein the adjusting rod is arranged on the connecting rod in a telescopic mode, the ring body is formed on the connecting rod, and the clamping convex part is formed on the adjusting rod.
The self-locking assembly comprises a self-locking lock bolt, a slide fastener and a return spring, wherein the slide fastener is fixedly connected with the self-locking lock bolt, and the slide fastener is shifted to enable the self-locking lock bolt to slide relative to the handle; the top of the clamping convex part forms an inserting hole, one end of the self-locking bolt is inserted into the inserting hole, and the return spring enables the self-locking bolt to be kept in the inserting hole.
The folding joint disclosed by the invention has the beneficial effects that: the handle assembly is rotated, so that the connecting rod assembly rises or descends, when the connecting rod assembly descends to the lowest point, the lower end face of the clamping convex part is abutted against the upper end face of the clamping groove, and at the moment, the first connector and the second connector are tensioned and cannot rotate, so that complete locking is achieved. When the clamping convex part of the connecting rod assembly rises to the highest position, the connecting rod assembly is rotated, so that the connecting rod assembly moves out of the clamping groove, and unlocking of the first connector and the second connector is achieved. If the handle component fails in the riding process, the connecting rod component is enabled to ascend, the lower end face of the clamping convex part is separated from the upper end face of the clamping groove, and at the moment, the clamping convex part is always positioned on a rotating path of the first connector, which takes the hinge pin as the center, namely, the connecting rod component can still enable the first connector and the second connector to be kept in a semi-locking state, so that safety accidents are avoided, and the safety is high.
Drawings
Fig. 1 is a schematic structural view of the folding joint of the present invention.
Fig. 2 is a cross-sectional view of the folding joint of the present invention.
Fig. 3 is a schematic view showing a folded state structure of the folding joint of the present invention.
Fig. 4 is an exploded view of the folding joint of the present invention.
Fig. 5 is a schematic view of a portion of the handle assembly and linkage assembly of the folding joint of the present invention.
Fig. 6 is a schematic view of a portion of a handle assembly and a linkage assembly of the folding joint of the present invention.
Fig. 7 is a schematic view of a portion of the handle assembly and linkage assembly of the folding joint of the present invention.
Fig. 8 is a schematic view of a portion of the handle assembly and linkage assembly of the folding joint of the present invention.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 1 and 2, a folding joint includes a first joint 10, a second joint 20, a handle assembly 30, and a link assembly 40.
Referring to fig. 1, 2, 3 and 4, one side of the first joint 10 is hinged to one side of the second joint 20 through a hinge pin 13, a clamping groove 11 is formed in the opposite side of the first joint 10, and the handle assembly 30 is eccentrically hinged to the opposite side of the second joint 20.
One end of the connecting rod assembly 40 is rotatably arranged on the handle assembly 30, the other end of the connecting rod assembly 40 extends upwards to penetrate through the clamping groove 11, so that the connecting rod assembly 40 penetrates through the other end of the clamping groove 11 to expand to form a clamping convex part 42, and the lower end face of the clamping convex part 42 is abutted against the upper end face of the clamping groove 11.
The handle assembly 30 is rotated to lift the link assembly 40, and when the link assembly 40 is lifted to the highest position, the link assembly 40 is rotated to move the link assembly 40 out of the clamping groove 11. Wherein, when the link assembly 40 is at the highest position, the click-on portion 42 is located on the rotation path of the first joint 10 centering on the hinge pin 13.
The handle assembly 30 is rotated to enable the connecting rod assembly 40 to ascend or descend, when the connecting rod assembly 40 descends to the lowest point, the lower end face of the clamping convex part 42 is abutted against the upper end face of the clamping groove 11, and at the moment, the first connector 10 and the second connector 20 are tensioned and cannot rotate, so that complete locking is achieved. When the locking protrusion 42 of the link assembly 40 is lifted to the highest position, the link assembly 40 is rotated to move the link assembly 40 out of the locking groove 11, thereby unlocking the first connector 10 and the second connector 20.
If the handle assembly 30 fails during riding, the connecting rod assembly is lifted, the lower end surface of the clamping protrusion 42 is separated from the upper end surface of the clamping groove 11, and the clamping protrusion 42 can only rotate around the handle pin 33 and is still above the clamping groove 11 under the action of the tension spring 34, which is described below, at this time, the clamping protrusion 42 is always located on the rotation path of the first connector 10 around the hinge pin, and the clamping protrusion 42 prevents the rotation of the first connector 10, i.e. the connecting rod assembly 40 can still keep the first connector 10 and the second connector 20 in a semi-locking state, thereby avoiding the occurrence of safety accidents, with high reliability and good safety.
The handle assembly 30 includes a tension spring 34, one end of the tension spring 34 is connected to the hinge pin 13, and the other end is connected to the link assembly 40. The link assembly 40 is maintained in a relatively upright position by the tension spring 34, which tension spring 34 maintains the link assembly 40 in the catch 11 when locked. Specifically, the middle part of the hinge pin 13 is recessed to form a necking section, one end of the tension spring 34 is sleeved on the necking section, and the necking section limits the left-right deflection of one end of the tension spring 34. In another embodiment, the linkage assembly 40 is held within the catch 11 by friction.
The handle assembly 30 includes a handle 31, an eccentric 32, and a handle pin 33, the handle pin 33 being provided at the other side of the second joint 20, the handle pin 33 being restrained from axial movement by a machine meter screw provided at both ends. The eccentric member 32 is eccentrically hinged to the handle pin 33, and one end of the handle 31 is connected to the eccentric member 32. One end of the connecting rod assembly 40 forms a ring body 41, and the ring body 41 is rotatably sleeved on the eccentric member 32.
The first limiting portion 321 is formed on the handle 31 or the eccentric member 32, the second limiting portion 411 is formed on the ring body 41, the first limiting portion 321 rotates along with the handle 31 or the eccentric member 32, and the second limiting portion 411 is located on a rotation path of the first limiting portion 321.
The first notch 12 is formed above the clamping groove 11 of the first connector 10, a second notch 21 opposite to the clamping groove 11 is formed at the other side of the second connector 20, the handle pin 33 is disposed at the second notch 21, one end of the handle 31 is connected with the eccentric member 32, and the other end of the handle 31 extends upwards to the first notch 12.
In the locked state, the locking protrusion 42 of the connecting rod assembly 40 is locked into the locking groove 11, so as to limit the rotation of the first connector 10 and the second connector 20, when unlocking is needed, the handle 31 and the eccentric member 32 are rotated, the eccentric member 32 eccentrically arranged pushes the locking protrusion of the connecting rod assembly 40 to lift up and separate from the locking groove 11, meanwhile, the first limiting part 321 on the eccentric member 32 is continuously close to the second limiting part 411 on the ring body 41 of the connecting rod assembly 40, when the handle 31 and the eccentric member 32 rotate to a preset angle, the first limiting part 321 and the second limiting part 411 are in contact with each other to transfer force, the handle 31 continues to rotate to transfer force to the connecting rod assembly 40, so that the connecting rod assembly 40 is forced to rotate outwards, and the locking protrusion 42 is moved out of the locking groove 11.
Referring to fig. 2 and 4, the clamping groove 11 is located at the other side of the lower end surface of the first connector 10, the clamping groove 11 is communicated with the first notch 12, and the width of the clamping protrusion 42 is larger than that of the clamping groove 11. In this embodiment, the clamping groove 11 is a U-shaped opening groove. When the locking is needed, starting from the folded state of fig. 3, the joint 10 component is rotated to keep the first joint 10 and the second joint 20 in the abutting state, during the process, the clamping convex part 42 firstly contacts the wedge-shaped surface 111 at the lower part of the clamping groove 11 under the action of the tension spring 34, and when the first joint 10 is rotated to be attached to the two sides of the second joint 20, the second notch 21 is positioned below the clamping groove 11 and is communicated with the clamping groove 11. Meanwhile, the clamping convex part 42 passes through the clamping groove 11, the tension of the tension spring enables the connecting rod assembly 40 to reversely rotate until the connecting rod assembly 40 rotates into the clamping groove 11, the clamping convex part 42 is positioned above the clamping groove 11, the handle 31 is manually rotated upwards, and the rotating eccentric part 32 enables the clamping convex part 42 to fall and abut against the upper end part of the clamping groove 11, so that locking is achieved.
The lower end surface of the second notch 21 is an inclined surface, and when the handle 31 is opened and rotated downward to a maximum angle, the handle 31 abuts against the lower end surface of the second notch 21.
The eccentric member 32 comprises an eccentric wheel 322 and a positioning pin 323, wherein the eccentric wheel 322 is eccentrically arranged on the handle pin 33 in a penetrating way, and the positioning pin 323 is connected with the eccentric wheel 322 and the handle 31. Specifically, a positioning hole is formed on the handle 31 and the eccentric wheel 322, respectively, and the positioning pin 323 penetrates into the two positioning holes. When the handle 31 is turned, the positioning pin 323 serves as a transmission member to simultaneously rotate the eccentric 322.
Wherein, the middle part of the width direction of one end of the handle 31 is provided with a containing groove 311, so that the eccentric wheel 322 is arranged in the containing groove 311, the positioning hole of the handle 31 is provided on the side wall of the containing groove 311, the eccentric wheel 322 is arranged in the containing groove 311, and the positioning pin 323 sequentially penetrates into the positioning holes of the handle 31 and the eccentric wheel 322.
Referring to fig. 5 and 6, in another embodiment, the eccentric member 32 includes an eccentric member 322 integrally formed at one end of the handle 31, and the eccentric member 322 is eccentrically disposed on the handle pin 33.
Referring to fig. 7, in another embodiment, the eccentric member 32 includes an eccentric member 322, the eccentric member 322 has a first positioning surface 3221, the handle 31 has a receiving hole 312 formed therethrough in a width direction of the handle 31, and a second positioning surface is formed in the receiving hole 312. The eccentric wheel 322 is disposed in the accommodating hole 312, and the first positioning surface 3221 is opposite to the second positioning surface, so as to realize positioning and transmission of the eccentric wheel 322. The middle part of one end of the handle 31 in the width direction is provided with a containing groove 311, and the ring body 41 of one end of the connecting rod assembly 40 is arranged in the containing groove 311 and sleeved on the eccentric wheel 322. The handle 31 rotates, and the rotation is transmitted to the eccentric wheel 322 through the second positioning surface and the first positioning surface 3221, so that the eccentric wheel 322 rotates along with the rotation.
Referring to fig. 4, the link assembly 40 includes a link 43 and an adjusting rod 44, the adjusting rod 44 is telescopically disposed on the link 43, the ring 41 is formed on the link 43, and the locking protrusion 42 is formed on the adjusting rod 44. In this embodiment, the connecting rod 43 is connected with the adjusting rod 44 through threads, and the length of the adjusting rod 44 extending out of the connecting rod 43 can be properly adjusted through a threaded structure. Specifically, one end of the adjusting rod 44 is a threaded section, the protruding clamping portion 42 is formed at the other end of the adjusting rod 44, the protruding clamping portion 42 is semicircular, and the bottom surface of the protruding clamping portion 42 is a plane.
Referring to fig. 4 and 5, the first limiting portion 321 is a limiting groove formed on the outer wall of the eccentric member 32, and the second limiting portion 411 is a limiting protrusion protruding from the inner wall of the ring 41. The eccentric member 32 is disposed in the ring body 41, and the limiting protrusion is disposed in the limiting groove. The width of the limiting groove is equal to the width of the eccentric member 32 or the width of the limiting groove is smaller than the width of the eccentric member 32, and the corresponding width of the limiting protrusion is equal to the width of the inner wall of the ring body 41 or the width of the limiting protrusion is smaller than the width of the inner wall of the ring body 41.
And rotating the eccentric wheel 322 to enable the limiting groove to rotate, wherein after rotating a preset distance, the inner side wall of the limiting groove is abutted against the limiting protrusion. Eccentric 322 continues to rotate and drives ring 41 to rotate.
Referring to fig. 6, 7 and 8, in another embodiment, the first limiting portion 321 is a limiting surface formed at one end of the handle 31, and the second limiting portion 411 is a limiting protrusion protruding from an outer wall of the ring 41. The limiting surface rotates along with the handle 31, and the limiting protrusion is located on the rotating path of the limiting surface. The handle 31 is rotated, the limiting surface rotates along with the handle 31, after a preset angle is rotated, the limiting surface is abutted on the limiting protrusion, the handle 31 continues to rotate, and the ring body 41 is pushed to rotate along with the rotation. In fig. 7 and 8, the first limiting portion 321 (i.e., a limiting surface) is located at a position where the handle 31 is connected to the accommodating groove 311.
Referring to fig. 2 and 4, the folding joint further includes a self-locking assembly 50 provided on the handle 31, and the self-locking assembly 50 includes a self-locking bolt 51, a slider 52, and a return spring 53. The sliding button 52 is fixedly connected with the self-locking bolt 51, and the sliding button 52 is shifted to enable the self-locking bolt 51 to slide relative to the handle 31. The top of the clamping convex part forms a jack 441, one end of the self-locking bolt 51 is inserted into the jack 441, and the return spring 53 keeps the self-locking bolt 51 in the jack 441.
A protruding bump 313 is formed on one surface of the handle 31 close to the first notch 12, a sliding groove 314 is formed in the bump 313, and the slider 52 is slidably disposed in the sliding groove 314. The return spring 53 is disposed between the slider 52 and the chute 314, and is used for providing a force for keeping the slider 52 pressed down.
The protruding block 313 is further formed with a sliding hole penetrating through the sliding groove 314, and the self-locking bolt 51 is slidably disposed in the sliding hole. Wherein the sliding hole penetrates the bump 313 from top to bottom. Under the action of the return spring 53, one end of the self-locking bolt 51 extends out of the sliding hole and is inserted into the insertion hole 441, so that the handle 31 is locked and cannot rotate. When unlocking is required, the slider 52 is slid upward, and the self-locking bolt 51 is slid and moved out of the insertion hole 441.
The self-locking bolt 51 is provided with a fastening hole, and a screw 54 passes through the fastening hole and is connected to the slide fastener 52 to fixedly connect the self-locking bolt 51 and the slide fastener 52. Preferably, an arc-shaped groove is formed on the slider 52, and the self-locking bolt 51 is attached to the outer wall of the arc-shaped groove, so as to improve the stability of connection.
The folding joint disclosed by the invention can realize two actions of lifting and outward rotation of the connecting rod assembly 40 by rotating the handle 31 and the eccentric part 32, and the unlocking operation is simple and convenient. By forming the first notch 12 on the other side of the first connector 10 and forming the second notch 21 on the other side of the second connector 20, in the locked state, one end of the handle 31 is connected with the eccentric member 32, and the other end of the handle 31 extends upwards to the first notch 12, at this time, the exposed volume of the handle 31 is reduced, the structure is more compact, and the possibility that the handle 31 is unlocked by being touched by mistake is effectively reduced.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (9)

1. A folding joint comprises a first joint, a second joint, a handle component and a connecting rod component, and is characterized in that,
one side of the first joint is hinged with one side of the second joint through a hinge pin, a clamping groove is formed in the other side of the first joint opposite to the first joint, and the handle assembly is eccentrically hinged to the other side of the second joint opposite to the second joint;
one end of the connecting rod assembly is rotatably arranged on the handle assembly, the other end of the connecting rod assembly extends upwards to penetrate through the clamping groove, the other end of the connecting rod assembly penetrating through the clamping groove is expanded to form a clamping convex part, and the lower end face of the clamping convex part is abutted to the upper end face of the clamping groove;
rotating the handle assembly to enable the connecting rod assembly to ascend, and rotating the connecting rod assembly to enable the connecting rod assembly to move out of the clamping groove when the connecting rod assembly ascends to the highest position;
wherein, when the connecting rod assembly is positioned at the highest position, the clamping convex part is positioned on a rotating path of the first joint which takes the hinge pin as the center;
the handle assembly comprises a handle, an eccentric part and a handle pin, the handle pin is arranged on the other side of the second joint, the eccentric part is eccentrically hinged to the handle pin, and one end of the handle is connected with the eccentric part;
one end of the connecting rod assembly forms a ring body, and the ring body is rotatably sleeved on the eccentric part;
the handle or the eccentric piece is provided with a first limiting part, the ring body is provided with a second limiting part, the first limiting part rotates along with the handle or the eccentric piece, and the second limiting part is positioned on a rotating path of the first limiting part.
2. The folding joint of claim 1 wherein said handle assembly includes a tension spring having one end connected to a hinge pin and the other end connected to a linkage assembly.
3. The folding joint of claim 1 wherein the eccentric includes an eccentric and a locating pin, the eccentric being eccentrically disposed through the handle pin, the locating pin connecting the eccentric and the handle.
4. The folding joint of claim 1 wherein said eccentric comprises an eccentric integrally formed at one end of the handle, said eccentric being eccentrically disposed on the handle pin.
5. The folding joint of claim 1 wherein the eccentric comprises an eccentric having a first locating surface, the handle having a receiving hole formed therethrough in a width direction of the handle, the receiving hole having a second locating surface formed therein;
the eccentric wheel is arranged in the accommodating hole, and the first positioning surface is opposite to the second positioning surface.
6. The folding joint according to any one of claims 3 to 5, wherein the first limiting portion is a limiting groove formed in an outer wall of the eccentric member, the second limiting portion is a limiting protrusion protruding from an inner wall of the ring body, the eccentric member is disposed in the ring body, and the limiting protrusion is disposed in the limiting groove.
7. The folding joint according to any one of claims 3 to 5, wherein the first limiting portion is a limiting surface formed at one end of the handle, the second limiting portion is a limiting protrusion protruding from an outer wall of the ring body, the limiting surface follows the handle to rotate, and the limiting protrusion is located on a rotation path of the limiting surface.
8. The folding joint of claim 1 wherein the link assembly includes a link and an adjustment rod telescopically disposed to the link, wherein the ring body is formed to the link and the detent is formed to the adjustment rod.
9. The folding joint of claim 1, further comprising a self-locking assembly provided to the handle, the self-locking assembly comprising a self-locking latch, a slider, and a return spring, the slider being fixedly connected to the self-locking latch, the slider being adapted to be moved to slide the self-locking latch relative to the handle;
the top of the clamping convex part forms an inserting hole, one end of the self-locking bolt is inserted into the inserting hole, and the return spring enables the self-locking bolt to be kept in the inserting hole.
CN202110852857.6A 2021-05-28 2021-07-27 Folding joint Active CN115402452B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110618173 2021-05-28
CN202110618173X 2021-05-28

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CN115402452A CN115402452A (en) 2022-11-29
CN115402452B true CN115402452B (en) 2023-11-28

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Application Number Title Priority Date Filing Date
CN202110852857.6A Active CN115402452B (en) 2021-05-28 2021-07-27 Folding joint

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2363841Y (en) * 1999-03-15 2000-02-16 广州美大行机械有限公司 Quick clamping device
JP3083770U (en) * 2001-08-01 2002-02-15 宗穎機械股▲分▼有限公司 Folding coupling device
CN2625268Y (en) * 2003-05-09 2004-07-14 玮隆工业股份有限公司 Folder
CN201049714Y (en) * 2007-04-11 2008-04-23 深圳信隆实业股份有限公司 Bicycle folding mechanism
CN201357909Y (en) * 2009-01-14 2009-12-09 徐达来 Folding joint
CN110254583A (en) * 2019-07-19 2019-09-20 深圳市志宏金属制品有限公司 Self-locking mechanism and folding joint
CN210162207U (en) * 2019-03-29 2020-03-20 秦红立 Novel improved generation folding bicycle riser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206856891U (en) * 2017-03-22 2018-01-09 大行科技(深圳)有限公司 A kind of folder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2363841Y (en) * 1999-03-15 2000-02-16 广州美大行机械有限公司 Quick clamping device
JP3083770U (en) * 2001-08-01 2002-02-15 宗穎機械股▲分▼有限公司 Folding coupling device
CN2625268Y (en) * 2003-05-09 2004-07-14 玮隆工业股份有限公司 Folder
CN201049714Y (en) * 2007-04-11 2008-04-23 深圳信隆实业股份有限公司 Bicycle folding mechanism
CN201357909Y (en) * 2009-01-14 2009-12-09 徐达来 Folding joint
CN210162207U (en) * 2019-03-29 2020-03-20 秦红立 Novel improved generation folding bicycle riser
CN110254583A (en) * 2019-07-19 2019-09-20 深圳市志宏金属制品有限公司 Self-locking mechanism and folding joint

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