CN220221013U

CN220221013U - Self-locking handle assembly and self-locking folding joint

Info

Publication number: CN220221013U
Application number: CN202321393653.1U
Authority: CN
Inventors: 王思勇; 罗惠林
Original assignee: Shenzhen Zhihong Metal Products Co ltd
Current assignee: Shenzhen Zhihong Metal Products Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-12-22
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a self-locking handle assembly which comprises a handle body, a slide fastener, a return spring, a self-locking bolt, an eccentric wheel, a hinge pin, a positioning pin and a pull ring rod, wherein one end of the handle body is provided with a cam, the cam is provided with an eccentric wheel groove, a first through hole and a second through hole, the handle body is provided with a sliding groove and a bolt hole, the self-locking bolt is arranged in the bolt hole, the slide fastener and the return spring are arranged in the sliding groove, one end of the return spring is abutted to the handle body, the other end of the return spring is abutted to the slide fastener, one end of the self-locking bolt is fixedly connected to the slide fastener, the sleeving part is provided with an eccentric wheel hole, a ratchet protrusion is arranged on the periphery of the eccentric wheel hole, the sleeving part and the eccentric wheel are arranged in the eccentric wheel groove, the eccentric wheel is provided with an eccentric hole and a positioning hole, and the hinge pin penetrates through the first through hole and the eccentric hole, and the positioning pin penetrates through the positioning hole and the second through hole. The self-locking handle assembly provided by the utility model is simple in structure and convenient to operate. The utility model also discloses a self-locking folding joint.

Description

Self-locking handle assembly and self-locking folding joint

Technical Field

The utility model relates to the technical field of folding bicycles, electric vehicles or scooter, in particular to a folding joint.

Background

The folding joint used at present is composed of two components, one end of which is hinged and the other end of which can be freely opened and closed. Each of the two members may be connected to the other member. When the folding joint is used, the folding joint can be rotated to overlap the two components and then connected, and when the folding joint is not used, the folding device can be unlocked for connection, so that the two components can be rotated relatively and unfolded.

The existing folding joint enables the two components to close the connecting mechanism, so that the design is not exquisite, and the connection is inconvenient and smooth; the structural clearance is large or the use is worn, so that the connection between the two components is unreliable, and potential safety hazards are left.

The patent of 202110711777.9 discloses an automatic snap-fit connection mechanism comprising a hinged first and second folding seat. The second folding seat is internally provided with a clamping connection mechanism capable of sliding transversely, a guide piece extending on the clamping connection mechanism extends out of the second folding seat body, the inner wall of the first folding seat is provided with a groove matched with one end of the clamping connection mechanism in a clamping manner, and the other end of the clamping connection mechanism is provided with an elastic locking mechanism. The spring pre-pressure and the sliding distance of the clamping connection mechanism body can be controlled through the adjustment of the elastic locking mechanism, so that the folding device is guaranteed to be reliably clamped and connected, and the stability is high. However, the structure of the snap connection mechanism is relatively complex and the cost is high.

Disclosure of Invention

The utility model aims to provide a self-locking handle assembly which is simple in structure and convenient to operate.

The utility model discloses a self-locking handle component which adopts the following technical scheme:

the utility model provides a self-locking handle subassembly, includes the handle body, the one end of handle body is equipped with the cam, and the other end is equipped with the operating portion, the cam is equipped with eccentric wheel groove, first through-hole and second through-hole run through the eccentric wheel groove, still include pulley, reset spring, from lock plunger, eccentric wheel, hinge pin, locating pin and pull ring pole, be equipped with spout and keyhole on the handle body, in the keyhole was located to the self-locking bolt, keyhole intercommunication spout and eccentric wheel groove, in the spout was located to pulley and reset spring, reset spring one end butt in the handle body, the other end butt was in the pulley, self-locking bolt one end fixed connection is on the pulley, pull ring pole one end is equipped with the portion of cup jointing, the other end is equipped with pole portion, the portion of cup jointing is equipped with the eccentric wheel hole, the eccentric wheel hole periphery is equipped with the ratchet, in the eccentric wheel is located in the eccentric wheel groove, be equipped with eccentric hole and locating hole on the eccentric wheel, the eccentric hole corresponds with first through-hole on the cam, the locating hole corresponds with the second through-hole and pull ring, the corresponding to the second through-hole passes through-hole and pull ring, the corresponding to the cam.

As the preferable scheme, the slide fastener is provided with a sliding part and a connecting part, the connecting part of the slide fastener is arranged in the chute, the connecting part is arranged outside the chute and used for pushing the connecting part to move in the chute, the other end of the return spring is abutted to the connecting part, the connecting part is provided with an embedding hole, and the self-locking bolt is fixed in the embedding hole of the connecting part.

As a preferable scheme, the embedded hole is a threaded hole, an external thread is arranged on the self-locking bolt, and the self-locking bolt is in threaded connection with the connecting part.

As a preferable scheme, the two ends of the self-locking bolt extend out of the threaded holes, and the reset spring is sleeved at one end of the self-locking bolt.

As a preferable scheme, the connecting part is provided with a sinking groove, the other end of the return spring is arranged in the sinking groove,

the self-locking handle assembly disclosed by the utility model has the beneficial effects that: the self-locking lock is characterized in that the self-locking lock is upwards moved by overcoming the elasticity of the return spring through the sliding slide fastener, the pull spring rod can transversely move, the slide fastener is loosened, the self-locking bolt slides to the ratchet protrusion of the pull ring rod under the action of the return spring, the limit of the pull ring rod is realized, the structure is simple, and the operation is convenient.

The utility model aims to provide a self-locking folding joint which is simple in structure and convenient to operate.

The utility model discloses a self-locking folding joint which adopts the following technical scheme:

the utility model provides a self-locking folding joint, includes first joint, second joint and latch segment, still includes foretell auto-lock handle subassembly, one side of first joint, one side and the handle body of second joint are articulated through the hinge pin and are connected, the latch segment is located outside first joint and the second joint for with the opposite side and the second joint opposite side joint connection of first joint, the pull ring pole is used for driving the removal of latch segment.

As the preferable scheme, still include screw rod and nut, the screw rod passes the latch segment and is fixed in the pole portion of pull ring pole, the nut is located on the screw rod for make screw rod and pull ring pole fixed, be equipped with the thru hole on the first joint, the screw rod passes the thru hole, attaches on the first joint.

As a preferable scheme, the novel screw rod is further provided with a return spring, and the return spring is sleeved on the screw rod.

The self-locking folding joint disclosed by the utility model has the beneficial effects that: the handle body is rotated, the eccentric wheel is driven to synchronously rotate, the pull ring rod is driven to drive the locking block to lock the first connector and the second connector, meanwhile, the self-locking bolt is clamped at the ratchet protrusion of the pull ring rod, due to the effect of the ratchet protrusion, the handle body cannot rotate to realize self-locking, the sliding part of the push slide buckle overcomes the elasticity of the reset spring, the self-locking bolt is separated from the ratchet protrusion, the handle body is rotated, the locking block is separated from the first connector and the second connector, the first connector and the second connector can be opened, folding is realized, and the handle is simple in structure and convenient to operate.

Drawings

Fig. 1 is a schematic view of a self-locking folding joint of the present utility model.

Fig. 2 is a schematic cross-sectional view of the self-locking folding joint of the present utility model.

Fig. 3 is a schematic view of the explosive structure of the self-locking folding joint of the present utility model.

Fig. 4 is a schematic structural view of the handle body in the self-locking folding joint of the present utility model.

Detailed Description

The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:

referring to fig. 1 and 2, a self-locking folding joint includes a first joint 20, a second joint 30, a self-locking handle assembly 10, a screw 50, a nut 60, a return spring 70 and a locking block 40, wherein one side of the first joint 20 and one side of the second joint 30 are hinged, and the locking block 40 is arranged outside the first joint 20 and the second joint 30 and is in clamping connection with the other side of the first joint 20 and the other side of the second joint 30.

Referring to fig. 3, the self-locking handle assembly 10 includes a handle body 11, a return spring 12, a slider 13, a self-locking plunger 14, an eccentric 17, a hinge pin 16, a locating pin 18, and a tab lever 15.

Referring to fig. 4, one end of the handle body 11 is provided with a cam 111, the other end is provided with an operation portion 112, the middle portion is provided with a chute 113, the cam 111 is provided with an eccentric groove 1111, a first through hole 1112 and a second through hole 1113, the first through hole 1112 and the second through hole 1113 penetrate through the eccentric groove 1111, a bolt hole is further provided in the handle body 11, the bolt hole is communicated with the chute 113 and the eccentric groove 1111, the self-locking bolt 14 is arranged in the bolt hole, the slider 13 and the return spring 12 are arranged in the chute 113, one end of the return spring 12 is abutted to the handle body 11, and the other end is abutted to the slider 13.

The slider 13 is provided with a sliding part and a connecting part, the connecting part of the slider is arranged in the sliding groove 113, the connecting part is arranged outside the sliding groove 113, a user can push and drive the connecting part to move in the sliding groove 113 by using hands of water, the other end of the return spring 12 abuts against the connecting part, the connecting part is provided with an embedding hole, and the self-locking bolt 14 is fixed in the embedding hole of the connecting part, so that the self-locking bolt 14 and the slider 13 can move synchronously. In this embodiment, the embedded hole is a threaded hole, the self-locking bolt 14 is provided with an external thread, the self-locking bolt 14 is in threaded connection with the connecting portion, both ends of the self-locking bolt 14 extend out of the embedded hole, one end of the self-locking bolt extends into the sliding groove 113, so that the return spring 12 is sleeved on the self-locking bolt 14, the return spring 12 is prevented from sliding out of the sliding groove 113, and the other end of the self-locking bolt 14 extends into the eccentric wheel groove 1111.

In other embodiments, in order to prevent the return spring 12 from sliding out of the chute 113, a sink is provided on the connection portion, and the other end of the return spring is disposed in the sink, so that the return spring 12 is not easy to slide out of the chute 113 because the other end of the return spring 12 is disposed in the sink and the return spring 12 is in a compressed state.

The pull ring lever 15 one end is equipped with cup joints the portion, and the other end is equipped with the pole portion, cup joints the portion and is equipped with the eccentric wheel hole, the eccentric wheel hole periphery is equipped with the ratchet, cup joint the portion and locate in the eccentric wheel groove 1111 of handle body 11, the eccentric wheel 17 is located in the eccentric wheel hole of cup joints the portion, be equipped with eccentric hole and locating hole on the eccentric wheel 17, the eccentric hole corresponds with first through-hole 1112 on the cam 111, the locating hole corresponds with second through-hole 1113 on the cam 111, hinge pin 16 passes first through-hole 1112, eccentric hole and first joint 20 one side through-hole, second joint 30 one side through-hole, articulates handle body 11, first joint 20 and second joint 30, locating pin 18 passes locating hole and second through-hole 1113, makes eccentric wheel 17 and cam 111 synchronous rotation, the one end that stretches into eccentric wheel groove 1111 from lock plunger 14 corresponds with the ratchet on the pull ring lever 15 for limiting the removal of pull ring lever 15.

The screw 50 passes through the locking block 40 and is fixedly connected with the rod portion of the pull ring rod 15, in this embodiment, the screw 50 is in threaded connection with the rod portion of the pull ring rod 15, the distance between the two can be adjusted, the nut 60 is arranged on the screw 50 and is used for fixedly connecting the screw 50 with the pull ring rod 15, the first connector 20 is provided with a through hole, the screw 50 passes through the through hole and is attached to the first connector 20, the return spring 70 is sleeved on the screw 50 and is positioned between the locking block 40 and the first connector 20, so that the locking block 40 has a tendency of outwards separating from the first connector 20 and the second connector 30.

The handle body 11 is rotated, the eccentric wheel 17 is driven to synchronously rotate, the pull ring rod 15 is driven, the screw rod 50 and the locking block 40 are driven to lock the first connector 20 and the second connector 30, meanwhile, the self-locking bolt 14 is clamped at the ratchet protrusion of the pull ring rod 15, the handle body 11 cannot rotate due to the action of the ratchet protrusion, self-locking is achieved, the sliding part of the slide buckle 13 is pushed to overcome the elastic force of the reset spring 12, the self-locking bolt 14 is separated from the ratchet protrusion, the handle body 11 is rotated, the locking block 40 is separated from the first connector 20 and the second connector 30, and the first connector 20 and the second connector 30 can be opened to realize folding.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model 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 utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a self-locking handle subassembly, includes the handle body, the one end of handle body is equipped with the cam, and the other end is equipped with the operating portion, the cam is equipped with eccentric wheel groove, first through-hole and second through-hole run through the eccentric wheel groove, its characterized in that still includes slide fastener, reset spring, from lock plunger, eccentric wheel, hinge pin, locating pin and pull ring pole, be equipped with spout and keyhole on the handle body, in the keyhole was located to the self-locking bolt, keyhole intercommunication spout and eccentric wheel groove, slide fastener and reset spring locate in the spout, reset spring one end butt is in the handle body, and the other end butt is in the slide fastener, self-locking bolt one end fixed connection is on the slide fastener, pull ring pole one end is equipped with cup joint portion, the other end is equipped with pole portion, cup joint portion is equipped with the eccentric wheel hole, the eccentric wheel hole periphery is equipped with the ratchet, in the eccentric wheel is located in the eccentric wheel groove of cup joint portion, be equipped with eccentric hole and locating hole on the eccentric wheel, on the eccentric wheel and the cam correspond, on first through-hole and the cam correspond, on the eccentric wheel corresponds with the cam and the second through-hole corresponds with the locating pin and the pull ring, pass through-pin corresponds on the pivot and the second through-hole.

2. The self-locking handle assembly of claim 1, wherein the slider is provided with a sliding part and a connecting part, the connecting part of the slider is arranged in the sliding groove, the connecting part is arranged outside the sliding groove and used for pushing the connecting part to move in the sliding groove, the other end of the return spring abuts against the connecting part, the connecting part is provided with an embedding hole, and the self-locking bolt is fixed in the embedding hole of the connecting part.

3. The self-locking handle assembly of claim 2, wherein the recessed hole is a threaded hole, the self-locking pin is provided with external threads, and the self-locking pin is in threaded connection with the connecting portion.

4. The self-locking handle assembly of claim 3, wherein the self-locking bolt has threaded holes extending from both ends thereof, and the return spring is sleeved on one end of the self-locking bolt.

5. The self-locking handle assembly of claim 3, wherein the connecting portion is provided with a sink, and the other end of the return spring is disposed in the sink.

6. The utility model provides a self-locking folding joint, includes first joint, second joint and latch segment, its characterized in that still includes the self-locking handle subassembly of any one of claims 1-5, one side of first joint, one side of second joint and handle body pass through hinge pin hinged connection, the latch segment is located outside first joint and the second joint for with the opposite side and the second joint opposite side joint connection of first joint, the pull ring pole is used for driving the removal of latch segment.

7. The self-locking folding joint according to claim 6, further comprising a screw and a nut, wherein the screw passes through the locking block and is fixed on the rod portion of the pull ring rod, the nut is arranged on the screw and is used for fixing the screw and the pull ring rod, a through hole is arranged on the first joint, and the screw passes through the through hole and is attached to the first joint.

8. The self-locking folding joint of claim 7 further comprising a return spring, said return spring being sleeved on the threaded rod.