CN212267726U - Self-locking handle assembly - Google Patents
Self-locking handle assembly Download PDFInfo
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- CN212267726U CN212267726U CN202020478523.8U CN202020478523U CN212267726U CN 212267726 U CN212267726 U CN 212267726U CN 202020478523 U CN202020478523 U CN 202020478523U CN 212267726 U CN212267726 U CN 212267726U
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Abstract
The utility model discloses a self-locking handle component, which comprises a body and a push-pull piece, wherein the body comprises a shifting part, a connecting part and a cam, the connecting part is arranged between the shifting part and the cam, the connecting part is provided with a sinking groove, a locking block and an elastic piece are arranged in the sinking groove, the locking block is provided with a pressing part, a limiting groove and a notch, a limiting column is arranged in the limiting groove, one end of the elastic part is abutted against the connecting part, the other end of the elastic part is abutted against the locking block, the cam is provided with a containing groove, an eccentric hinge hole and a positioning hole, one end of the push-pull piece is provided with a circular ring, a disc is arranged in the circular ring, an eccentric hole and a connecting hole are arranged on the disc, a locking part is arranged on the surface of the circular ring, the circular ring and the disc are arranged in the containing groove of the cam, and the circular ring is arranged on the cam through a hinged shaft penetrating through an eccentric hinged hole in the cam and an eccentric hole in the disc and a connecting shaft penetrating through a positioning hole in the cam and a connecting hole in the disc. The utility model discloses a self-locking handle assembly, convenient to use.
Description
Technical Field
The utility model relates to a bicycle and electric bicycle spare part technical field, specifically speaking relates to a self-locking handle subassembly that is used for the scray of folding bicycle and foldable electric scooter.
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 CN03223700.6 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 CN101549735A discloses a handle with a locking safety device for a bicycle quick release, which comprises a handle, a screw rod, a first pin, a handle eccentric cam, a handle hole, a handle safety block hole and a safety block, wherein the safety block comprises a locking block, a spring hole, a spring, a second pin and a button, the screw rod comprises a screw rod, a screw rod block, a screw rod hole, a pressed accessory and a nut, the screw rod block further comprises a lock hole, the handle is movably connected with the screw rod through the first pin, the eccentric cam is arranged around the handle hole, one end of the safety block hole on the handle corresponds to the lock hole on the screw rod block, the safety block is arranged in the safety block hole of the handle, the locking block is provided with one end of the safety block, the safety block is provided with a hole, the spring is arranged in the safety block hole and is connected with the handle, the safety block and the spring is connected into a whole through the second pin, the safety block moves up and down in the, the upper end of the safety block is provided with a button and is fixed into a whole, the locking block on the safety block is correspondingly matched with the locking hole on the screw rod block, the screw rod block is provided with a locking hole, and also can be provided with a plurality of locking holes which are right-angled notches, the notches are matched with the locking block, the other end of the screw rod is provided with a nut, the middle part of the screw rod is provided with an accessory which needs to be pressed, when the safety block locking block on the handle enters the locking hole on the screw rod block when the handle is pressed down after the eccentric cam on the handle which is properly clamped between the screw rod and the nut needs to be pressed, the handle cannot be pulled under the condition that the button is not opened, only after the button on the handle is pressed down, the safety block locking block leaves the locking hole on the screw rod block, the screw rod block enters the notch on the safety block and can be pulled to release the pressed accessory, the spring is arranged in, it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-locking handle assembly, the dismouting is easy, convenient to use.
The utility model discloses a technical scheme that auto-lock handle assembly adopted is:
a self-locking handle component comprises a body and a push-pull piece, wherein the body comprises a poking part, a connecting part and a cam, the connecting part is arranged between the shifting part and the cam, the connecting part is provided with a sinking groove, a locking block and an elastic piece are arranged in the sinking groove, the locking block is provided with a pressing part, a limiting groove and a notch, a limiting column is arranged in the limiting groove, one end of the elastic part is abutted against the connecting part, the other end of the elastic part is abutted against the locking block, the cam is provided with a containing groove, an eccentric hinge hole and a positioning hole, one end of the push-pull piece is provided with a circular ring, a disc is arranged in the circular ring, an eccentric hole and a connecting hole are arranged on the disc, a locking part is arranged on the surface of the circular ring, the circular ring and the disc are arranged in the containing groove of the cam, and the circular ring is arranged on the cam through a hinged shaft penetrating through an eccentric hinged hole in the cam and an eccentric hole in the disc and a connecting shaft penetrating through a positioning hole in the cam and a connecting hole in the disc.
As a preferred scheme, the self-locking handle assembly further comprises an adjusting screw rod, a threaded hole is formed in the other end of the push-pull piece, and the adjusting screw rod is connected in the threaded hole of the push-pull piece in a threaded mode.
As a preferred scheme, a locking nut is arranged on the adjusting screw rod.
As the preferred scheme, connecting portion are equipped with the quad slit, spacing post is located in the quad slit.
Preferably, one side of the locking part on the surface of the circular ring is a smooth and outwards-protruding curved surface.
Preferably, at least a part of the other side of the locking part on the surface of the circular ring is a plane.
The utility model discloses a self-locking handle assembly's beneficial effect is: according to the locking piece, rotate the portion of stirring, the cam rotates with the disc together, because be equipped with eccentric hinge hole on the cam, drive push-and-pull piece lateral shifting, make the handle rotate the locking position, loosen the locking piece, the locking piece resets under the elastic component effect, make the breach on the locking piece is avoided to the locking portion on ring surface, the butt is on the locking piece, play the auto-lock effect, when needing to be opened, push down according to the splenium, make the breach on the locking piece aim at the locking portion on ring surface, rotate the portion of stirring and open the operation, because the elastic component is located in the heavy groove, extrude by the locking piece, install spacing post again, the dismouting is easy, high durability and convenient use, and reliability.
Drawings
FIG. 1 is an exploded view of the self-locking handle assembly of the present invention;
fig. 2 is a schematic structural view of the self-locking handle assembly locking block of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, a self-locking folding joint includes an upper joint 40, a lower joint 50, a self-locking handle assembly 10 and a locking block 30.
The self-locking handle assembly 10 comprises a body 11, a push-pull member 12 and an adjusting screw 14, wherein the body 11 comprises a toggle part 113, a connecting part 112 and a cam 111, the connecting part 112 is arranged between the toggle part 113 and the cam 111, the connecting part 112 is provided with a sinking groove, a locking block 115 and an elastic member 114 are arranged in the sinking groove, one end of the elastic member 114 is abutted against the connecting part 112, the other end of the elastic member 114 is abutted against the locking block 115, the locking block 115 is provided with a pressing part 1151, a limiting groove 1152 and a notch 1153, referring to fig. 2, a limiting column 116 is arranged in the limiting groove 1152, the cam 111 is provided with a containing groove, an eccentric hinge hole and a positioning hole, one end of the push-pull member 12 is provided with a circular ring, the other end of the push-pull member 12 is provided with a threaded hole, the adjusting screw 14 is in the threaded hole of the push-pull member 12, the, the surface of the circular ring is provided with a locking part, one side of the locking part is a smooth and outwards-protruding curved surface, at least part of the other side of the locking part is a plane, the circular ring and the disc are arranged in the accommodating groove of the cam, and the circular ring is arranged on the cam through a hinged shaft 16 penetrating through an eccentric hinged hole on the cam and an eccentric hole on the disc and a connecting shaft 17 penetrating through a positioning hole on the cam and a connecting hole on the disc.
The locking block 30 is arranged at one end of the adjusting screw 14, the other end of the adjusting screw 14 is connected to the push-pull piece 12, and the adjusting screw 14 is further provided with an adjusting nut 15 for propping against the locking block 30 and preventing the locking block 30 from loosening.
The articulated connection of articulated axle 16 is passed through to one side and body 11 of top connection 40, lower clutch 50, top connection 40 is equipped with the locking ear, lower clutch 50 is equipped with down the locking ear, preferably establishes to 2, body 11 the locking ear is located between the locking ear down.
Preferably, the connecting portion is provided with a fitting hole, and the limiting post 116 is disposed in the fitting hole.
Rotate the stirring portion, the cam rotates with the disc together, because be equipped with eccentric hinge hole on the cam, drive push-and-pull piece lateral shifting, move to between last locking lug and the lower locking lug when latch segment 30, then top connection 40 and lower clutch 50 lock, loosen latch segment 115, latch segment 115 resets under the elastic component effect, make the locking portion 1153 on the ring surface avoid the latch segment, the butt is on the latch segment, play the self-locking effect, when needing to open, push down the splenium 1151 of latch segment 115, make the locking portion on the ring surface is aimed at to breach 1153 on the latch segment, rotate the stirring portion, drive push-and-pull piece lateral shifting, latch segment 30 is followed and is locked the lug and is puted aside down, top connection 40 and lower clutch 50 can be opened, high durability and convenient use, and reliability. Because the elastic component is arranged in the sinking groove and is extruded by the locking block, the limiting column is installed, and the disassembly and the assembly are easy. Because one side of the locking part is a smooth outwards-protruding curved surface, and at least part of the other side of the locking part is a plane, when the locking part is locked, the body is pulled, even if the locking block is not pressed, the smooth outwards-protruding curved surface on one side of the locking part slides on the locking block, and the partial plane on the other side of the locking part props against the locking block, so that the body is prevented from rotating, the self-locking effect is achieved, and the locking block must be pressed to open, so that the notch on the locking block is aligned to the partial plane on the other side of the locking part on the surface.
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 (6)
1. A self-locking handle component comprises a body and a push-pull piece, wherein the body comprises a poking part, a connecting part and a cam, the connecting part is arranged between the shifting part and the cam, the connecting part is provided with a sinking groove, a locking block and an elastic piece are arranged in the sinking groove, the locking block is provided with a pressing part, a limiting groove and a notch, a limiting column is arranged in the limiting groove, it is characterized in that one end of the elastic piece is connected with the connecting part in an abutting mode, the other end of the elastic piece is connected with the locking block in an abutting mode, the cam is provided with an accommodating groove, an eccentric hinge hole and a positioning hole, one end of the push-pull piece is provided with a circular ring, a circular disc is arranged in the circular ring, an eccentric hole and a connecting hole are arranged on the circular disc, the surface of the circular ring is provided with a locking part, the circular ring and the disc are arranged in a containing groove of the cam, and the circular ring is arranged on the cam through a hinged shaft penetrating through an eccentric hinged hole on the cam and an eccentric hole on the disc and a connecting shaft penetrating through a positioning hole on the cam and a connecting hole on the disc.
2. The self-locking handle assembly of claim 1 further comprising an adjustment screw, the other end of the push-pull member having a threaded bore, the adjustment screw being threadably connected to the threaded bore of the push-pull member.
3. The self-locking handle assembly of claim 2 wherein the adjustment screw is provided with a lock nut.
4. The self-locking handle assembly of any one of claims 1-3 wherein the connecting portion is provided with a recessed hole and the retention post is disposed in the recessed hole.
5. The self-locking handle assembly of any one of claims 1-3 wherein the locking portion side of the annular surface is a smooth outwardly convex curve.
6. The self-locking handle assembly of claim 5 wherein the other side of the locking portion of the annular surface is at least partially planar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478523.8U CN212267726U (en) | 2020-04-03 | 2020-04-03 | Self-locking handle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478523.8U CN212267726U (en) | 2020-04-03 | 2020-04-03 | Self-locking handle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212267726U true CN212267726U (en) | 2021-01-01 |
Family
ID=73883390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020478523.8U Active CN212267726U (en) | 2020-04-03 | 2020-04-03 | Self-locking handle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212267726U (en) |
-
2020
- 2020-04-03 CN CN202020478523.8U patent/CN212267726U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |