CN212267727U - Handle assembly - Google Patents

Abstract

The utility model discloses a handle assembly, including body, pivot, shifting block and screw rod, the body is including stirring portion and cam, be equipped with the hinge hole on the cam, stirring portion side is equipped with the sliding tray, sliding tray department is located to the shifting block, be equipped with the counter bore in the pivot, be equipped with heavy groove on the body, heavy groove corresponds with the counter bore, be equipped with elastic component and locking lever in the heavy groove, elastic component locates between locking lever and the body, the locking lever can be dismantled with the connecting piece and be connected, the body can drive the screw rod. The utility model discloses a handle assembly, the auto-lock is reliable, and the security is better.

Description

Handle assembly

Technical Field

The utility model relates to a bicycle and electric bicycle spare part technical field, specifically speaking relates to a handle components for on folding bicycle and the foldable electric scooter scray.

Background

Folding bicycle is light and handy, and is folding back small, and portability when getting on and off the elevator, taking a bus, sitting the subway is convenient for the trip, also can arrange vapour car trunk in, both can experience the facility of car when outing, can enjoy the enjoyment of riding in the nature again.

The folding joint is an important part on the folding bicycle, and the folding bicycle can be folded or unfolded quickly through the folding joint, so that the volume of the folding bicycle is reduced, and the storage or the transportation of the bicycle is facilitated.

The existing folding joint generally comprises a push rod type folding joint, a four-bar type folding joint, an inner V-shaped locking folding joint and an outer V-shaped locking folding joint, and in order to prevent accidents caused by the fact that a handle is easily loosened, a safety ring is generally sleeved on a pipe, and the handle of the folding joint is restrained by the safety ring. The safety ring structure needs to rotate firstly, then the folding joint can be opened, the safety ring structure is inconvenient, in addition, the safety ring structure generally adopts hard plastic, the abrasion between the safety ring and the pipe fitting is prevented, the handle and the safety ring are easy to be unhooked, and potential safety hazards exist.

The trend is that a self-locking handle structure is developed, in the chinese patent document CN2598843Y folder, an inclined plane is provided on the corresponding side of the second folding part with a notch, and a buckling part is provided with a pin through two inclined planes and pulled into a buckling hole through a handle, so as to achieve the safety purpose, but a cam is provided on the handle, a pin hole is provided on the cam, a pin is provided in the pin hole between the cam and a connecting rod, and a cushion block is provided around the connecting rod, the handle is pulled down, the cam on the handle tightly pulls the connecting rod under the action of the pin and the cushion, so that the folder is tightly closed.

Chinese patent document CN205661612U discloses a folding joint with a self-locking safety mechanism, which comprises a handle, a press block and a shifting block respectively arranged on the inner and outer sides of the handle, a second spring arranged on the top of the press block, the shifting block is connected through a locking screw, the handle is provided with a pull ring 3, an annular body at the right end of the pull ring 3 extends into an eccentric cam 4 between a pair of earrings 2 of the handle 1 to penetrate into eccentric holes of the pair of earrings 2 to connect the pull ring with the earrings, a shaft pin 5 penetrates through a rotating shaft hole of the eccentric cam 4, a threaded hole at the left end of the pull ring 3 is connected with a bolt rod, a nut 7, a first spring 8 and a clamping piece 9 are sequentially sleeved on the bolt rod from right to left, a threaded hole 12-1 is formed in the upper portion of a lug on the upper folding piece 12, an adjustable conical head bolt 12-2 is arranged in the threaded hole, and a pressing block 19 is clamped on the adjustable conical head bolt 12-2 under the action of a second spring 18. Because the taper head bolt 12-2 is adjustable, the looseness is easy, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handle assembly, the auto-lock is reliable.

The utility model discloses a technical scheme that handle assembly adopted is:

the utility model provides a handle assembly, includes body, pivot, shifting block and screw rod, the body is including stirring portion and cam, be equipped with the hinge hole on the cam, the side of stirring portion is equipped with the sliding tray, sliding tray department is located to the shifting block, be equipped with the counter bore in the pivot, be equipped with heavy groove on the body, heavy groove corresponds with the counter bore, be equipped with elastic component and locking lever in the heavy groove, the elastic component is located between locking lever and the body, the locking lever can be dismantled with the connecting piece and be connected, the body can drive the screw rod.

Preferably, the cam is provided with a slot, and one end of the screw rod passes through the slot on the cam and is fixed on the rotating shaft.

Preferably, the handle assembly further comprises a supporting piece, the supporting piece is arranged between the screw rod and the cam, the screw rod is supported on the cam through the supporting piece under the action of the return spring, the supporting piece comprises a supporting piece and a transmission piece, the screw rod is inserted into the transmission piece, the supporting piece is supported on the cam, and the supporting piece and the transmission piece are connected with each other.

Preferably, the abutment member and the transmission member are integrally connected.

Preferably, the lower surface of the shifting block is provided with a limiting part, and the limiting part is arranged in the sliding groove.

Preferably, the upper surface of the shifting block is provided with a protruding part.

Preferably, the elastic member is a return spring, a boss is arranged at one end of the lock rod, and the boss is arranged in a spring hole of the return spring.

Preferably, a pre-tightening spring is arranged on the screw rod.

According to the preferable scheme, the connecting piece is a screw, a threaded hole is formed in the rotating shaft, a through hole is formed in the shifting block, and the screw penetrates through the through hole in the shifting block to be in threaded connection with the threaded hole in the rotating shaft.

The utility model discloses a handle component's beneficial effect is: the locking rod extends outwards under the action of the elastic piece, when the locking rod extends into the counter bore, the handle is self-locked, when unlocking is needed, the shifting block is pushed, the shifting block drives the locking rod to overcome the elastic force of the elastic piece and withdraw from the counter bore, the handle can be rotated, and the locking rod adopts a contraposition mode, so that tightness does not need to be adjusted, and self-locking is reliable.

Drawings

FIG. 1 is an exploded view of a handle assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a handle assembly according to an embodiment of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

example one

Referring to fig. 1, a self-locking folding joint includes an upper joint 40, a lower joint 50, a hinge shaft 60, a positioning member 70, a handle assembly 20 and a locking block 30. The one end of top connection 40 and lower clutch 50 is passed through articulated the connection of articulated axle 60, the other end of top connection 40 is equipped with the locking ear of going up, preferably establishes to two, the one end of bottom connection 40 is equipped with down the locking ear, preferably establishes to 2, the locking ear is located between the locking ear down, as preferred scheme, the locking ear is with the locking ear staggered arrangement of going up down.

The handle assembly 20 comprises a body 21, a rotating shaft 22, a screw 23, a pre-tightening spring 24, a shifting block 25, a locking rod 26, a return spring 27, a screw 28 and a nut 29. The body 21 comprises a shifting part and a cam, the cam is provided with a hinge hole 211, a slot 212 and a sunk groove, the hinge hole 211 is an eccentric hole and is arranged at the non-central position of the cam, the sunk groove is arranged at one side of the slot 212, the slot 212 extends into the shifting part, the reset spring 27 and the lock rod 26 are arranged in the sunk groove, the reset spring 27 is arranged between the lock rod 26 and the bottom of the sunk groove of the body, one end of the lock rod 26 is provided with a boss, the lock rod 26 is also provided with a threaded hole, the boss is arranged in a spring hole of the reset spring 27, the rotating shaft 22 is provided with a counter bore and a threaded hole, the counter bore corresponds to the sunk groove, one end of the screw rod 23 is in threaded connection with the threaded hole on the rotating shaft 22, the pre-tightening spring 24 is sleeved on the screw rod 23, the side surface of the shifting part is provided with, spacing portion slides in sliding tray 213, shifting block 25 upper surface is equipped with the lug, and convenient to use person promotes shifting block 25, still be equipped with the through-hole on the shifting block 25, the through-hole passes the upper surface and the lower surface of shifting block 25, screw 28 passes through-hole on the shifting block 25 and the threaded hole threaded connection in the pivot 22.

The locking block 30 is provided with a threaded hole, the other end of the screw 23 is in threaded connection with the locking block 30, one end of the pre-tightening spring 24 abuts against the rotating shaft 22, the other end of the pre-tightening spring abuts against the locking block 30, the locking block 30 is not easy to rotate, and the nut 29 is in threaded connection with the screw 23 and abuts against the locking block 30.

The lower joint 50 is provided with a positioning hole 51, the hinge shaft 60 is provided with an annular groove, the positioning member 70 is arranged in the positioning hole 51, one end of the positioning member extends into the annular groove of the hinge shaft 60, and the hinge shaft 60 is not easy to slide out of the lower joint.

The handle body is at the rotation in-process, because hinge hole 211 on the cam is the eccentric orfice, it drives screw rod 23, latch segment 30 lateral shifting, move to between the locking ear and the lower locking ear when latch segment 30, then top connection 40 and lower clutch 50 lock, locking lever 26 is under reset spring 27's effect this moment, outwards stretch out, slide in the counter bore of pivot 22, the handle body can't rotate, realize the auto-lock, when needing the unblock, promote shifting block 25, shifting block 25 drives locking lever 26 and overcomes reset spring 27's elasticity and withdraws from the counter bore, then rotatable handle, because the locking lever adopts counterpoint mode, need not adjust the elasticity, the auto-lock is reliable, the locking lever is hidden in the handle body, and is more pleasing to the eye.

Example two

Referring to fig. 2, a self-locking folding joint includes an upper joint 40, a lower joint 50, a positioning member 70, a handle assembly 80, a locking block 30 and a return spring 90.

The handle assembly 80 includes a body 81, a rotating shaft 82, an abutting member 83, a transmission member 84, a screw 89, a dial 85, a lock lever 86, a return spring 87, and a screw 28. The specific structure of the body 81, the rotating shaft 82, the shifting block 85, the lock lever 86, the return spring 87 and the screw 28 refers to the structure in the first embodiment.

One end of the screw 89 is inserted into the transmission part 84, the other end of the screw is in threaded connection with the locking block 30, the abutting part 83 is attached to the cam of the body 81, and the transmission part 84 and the abutting part 83 are connected with each other and can be in inserted connection, clamped connection or integrated structure.

The locking block 30 is provided with a return spring hole, and the return spring is arranged in the return spring hole.

The utility model discloses a lock handle, including upper joint 40, lower clutch 50 and handle body 81, upper joint 40, lower clutch 50 and handle body 81 are connected through pivot 82 is articulated, the other end of upper joint 40 is equipped with the locking ear, preferably establishes to two, is equipped with spring accommodation recess on one of them locking ear, the one end of lower joint 50 is equipped with down the locking ear, preferably establishes to 2, the locking ear is located between the locking ear down, return spring 90 butt is in the spring accommodation recess on one of them locking ear of upper joint 40, under return spring 90's effect, butt 83 supports and leans on the cam of body 81, rotates body 81, because body 81 is eccentric structure, can promote butt 83 lateral shifting, makes latch segment 30 and lower locking ear loosen or lock with the locking ear, and locking lever 86 and return spring 87 play the effect of auto-lock, see embodiment one in detail.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit 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 the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. The utility model provides a handle assembly, includes body, pivot, shifting block and screw rod, the body is including stirring portion and cam, be equipped with the hinge hole on the cam, the portion side of stirring is equipped with the sliding tray, sliding tray department is located to the shifting block, a serial communication port, be equipped with the counter bore in the pivot, be equipped with heavy groove on the body, heavy groove corresponds with the counter bore, be equipped with elastic component and locking lever in the heavy groove, elastic component locates between locking lever and the body, the locking lever can be dismantled with the connecting piece and be connected, the body can drive the screw rod.

2. The handle assembly of claim 1, wherein the cam has a slot therein, and the screw is secured to the shaft at one end thereof through the slot in the cam.

3. The handle assembly of claim 1, further comprising a holding member disposed between the screw and the cam, wherein the screw is held against the cam by the holding member under the action of the return spring, the holding member comprises a holding member and a transmission member, the screw is inserted into the transmission member, the holding member is engaged with the cam, and the holding member and the transmission member are connected to each other.

4. A handle assembly according to claim 3, wherein the abutment member and the transmission member are integrally connected.

5. The handle assembly of any one of claims 1-4, wherein the lower surface of the paddle is provided with a limiting portion, and the limiting portion is disposed in the sliding groove.

6. The handle assembly of claim 5, wherein the paddle upper surface is provided with a protrusion.

7. The handle assembly of any of claims 1-4, wherein the resilient member is a return spring, and the locking bar has a boss at one end thereof, the boss being disposed in a spring hole of the return spring.

8. A handle assembly according to any of claims 1 to 4, wherein the screw is provided with a pre-tensioned spring.

9. The handle assembly of any one of claims 1-4, wherein the connecting member is a screw, the shaft has a threaded hole, the dial has a through hole, and the screw passes through the through hole of the dial and is in threaded connection with the threaded hole of the shaft.

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