CN212685829U

CN212685829U - Novel self-locking device capable of automatically returning

Info

Publication number: CN212685829U
Application number: CN202020952557.6U
Authority: CN
Inventors: 赵生权
Original assignee: Tianjin Zhihong Bicycle Accessories Co ltd
Current assignee: Tianjin Zhihong Bicycle Accessories Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-03-12
Anticipated expiration: 2030-05-30

Abstract

The utility model provides a novel but self-lock of self-return device, including the top tube body, lower tube head body and handle body, be provided with a fixed rotatory hole on the protruding piece on the lower tube head body lateral wall, handle body tip is provided with a through-hole, and the through-hole of handle body and fixed rotatory hole phase-match and through fastening bolt and nut through connection, connecting axle pin lateral wall middle part is provided with a through-hole, and be provided with a connecting screw in the through-hole of connecting axle pin lateral wall, auto-lock safety hook free end is provided with the fixture block, the fixture block card of auto-lock safety hook is in the auto-lock draw-in groove of auto-lock boss, be provided with a through-hole on the auto-lock boss, run through in the through-hole of auto-lock boss and be provided with. The utility model discloses make the user become more convenient to the use of bicycle, can realize hookup location's quick detach, and its self-locking function who has can accomplish firmly fixedly effectively, be convenient for equipment and dismantlement.

Description

Novel self-locking device capable of automatically returning

Technical Field

The utility model belongs to bicycle equipment field especially relates to a novel but self-lock of self return device.

Background

In the prior art, a bicycle is formed by connecting a plurality of pipe fittings and is assembled, and similar to a folding bicycle, at parts needing to be regularly detached, operation and treatment are often needed through tools, and common users rarely carry with them tools, so that inconvenience is caused when temporary disassembly and collection are needed on a journey.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide a novel but self-lock of self return device, especially be fit for the user and realize quick detach and quick installation to the pipe fitting of bicycle, and can realize self-locking function.

In order to solve the technical problem, the utility model discloses a technical scheme is: a novel self-locking device capable of automatically returning is provided, which comprises an upper pipe body, a lower pipe head body and a handle body, wherein a fixed rotating hole is arranged on a convex block on the side wall of the lower pipe head body, a through hole is arranged at the end part of the handle body, the through hole of the handle body is matched with the fixed rotating hole and is in through connection with the fixed rotating hole through a fastening bolt and a nut, a self-locking boss is arranged on the side wall of the upper pipe body, the self-locking boss and the fixed rotating hole are positioned at the same side and are arranged on the same vertical surface, a handle end positioning pin is arranged at the other end of the handle body in a through way, a first threaded hole is arranged at the center of the top of the handle end positioning pin, a second threaded hole is arranged in the middle part of the side wall of the handle end positioning pin, a hexagonal connecting screw is arranged in the second threaded hole, the end part of the free end of the hexagonal connecting screw rod is slidably provided with a self-locking safety hook, the free end of the self-locking safety hook is horizontally provided with a third threaded hole, the free end of the self-locking safety hook is provided with a connecting shaft pin, the middle part of the side wall of the connecting shaft pin is provided with a through hole, a connecting screw is arranged in the through hole of the side wall of the connecting shaft pin, the connecting screw penetrates through the connecting shaft pin and is fixed with the free end of the self-locking safety hook, the tail end of the self-locking boss is provided with a self-locking clamping groove, the free end of the self-locking safety hook is provided with a clamping block, the clamping block of the self-locking safety hook is clamped in the self-locking clamping groove of. The outer side wall of the handle body is provided with an anti-slip rubber coating.

In the use, the user inserts the back with top tube body and lower tube head body, moves the handle body and rotates, then blocks the fixture block card of auto-lock safety hook in the auto-lock draw-in groove of auto-lock boss, because return spring's elastic action for the fixture block of auto-lock safety hook supports, fixes equipment.

The utility model has the advantages and positive effects that: by adopting the technical scheme, a user can use the bicycle more conveniently, the quick disassembly of the connecting position can be realized, and the self-locking function of the bicycle can effectively realize firm fixation and is convenient to assemble and disassemble; just the utility model has the advantages of simple structure, easy maintenance, low processing cost, high operating efficiency and the like.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic perspective view of the present invention.

In the figure:

1. an upper tube body 2, a lower tube head body 3 and a handle body

4. Handle end positioning pin 5, jacking screw 6 and hexagonal connecting screw

7. Return spring 8, self-locking safety hook 9 and connecting shaft pin

10. Connecting screw 11, fixed screw shaft 12 and fixed screw shaft screw

13. Self-locking boss 14 and fixed rotary hole

Detailed Description

As shown in figure 1 or 2, the utility model relates to a novel self-locking device capable of automatically returning, which comprises an upper pipe body 1, a lower pipe head body 2 and a handle body 3, wherein a fixed rotating hole 14 is arranged on a convex block on the side wall of the lower pipe head body 2, the end part of the handle body 3 is provided with a through hole, the through hole of the handle body 3 is matched with the fixed rotating hole 14 and is connected with the fixed rotating hole through a fastening bolt and a nut, a self-locking boss 13 is arranged on the side wall of the upper pipe body 1, the self-locking boss 13 and the fixed rotating hole 14 are positioned on the same side and are arranged on the same vertical plane, the other end of the handle body 3 is provided with a handle end positioning pin 4 in a penetrating way, the center of the top part of the handle end positioning pin 4 is provided with a first threaded hole, the middle part of the side wall of the, a puller screw 5 is arranged in a first threaded hole of a handle end positioning pin 4, a return spring 7 is sleeved on the outer side wall of the free end of a hexagonal connecting screw 6, a self-locking safety hook 8 is slidably arranged at the end part of the free end of the hexagonal connecting screw 6, a third threaded hole is horizontally arranged at the free end of the self-locking safety hook 8, a connecting shaft pin 9 is arranged at the free end of the self-locking safety hook 8, a through hole is arranged in the middle of the side wall of the connecting shaft pin 9, a connecting screw 10 is arranged in the through hole of the side wall of the connecting shaft pin 9, the connecting screw 10 penetrates through the connecting shaft pin 9 and is fixed with the free end of the self-locking safety hook 8, a self-locking clamping groove is arranged at the tail end of a self-locking boss 13, a clamping block is arranged at the free end of the self-locking safety hook 8, a through hole is arranged on the, the bottom of the fixed screw shaft 11 is provided with a fixed screw shaft screw 12. The outer side wall of the handle body 3 is provided with an anti-slip rubber coating.

In the use, the user inserts the back with top tube body 1 and lower tube head body 2, moves handle body 3 and rotates, then blocks the fixture block card of auto-lock safety hook 8 in the auto-lock draw-in groove of auto-lock boss 13, because return spring 7's elastic action for the fixture block of auto-lock safety hook 8 supports, fixes equipment.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a novel self-lock device that can self return which characterized in that: the pipe fitting comprises an upper pipe body (1), a lower pipe head body (2) and a handle body (3), wherein a fixed rotating hole (14) is formed in a protruding block on the side wall of the lower pipe head body (2), a through hole is formed in the end portion of the handle body (3), the through hole of the handle body (3) is matched with the fixed rotating hole (14) and is in through connection with the fixed rotating hole through a fastening bolt and a nut, a self-locking boss (13) is installed on the side wall of the upper pipe body (1), the self-locking boss (13) and the fixed rotating hole (14) are located on the same side and are arranged on the same vertical surface, a handle end positioning pin (4) is arranged at the other end of the handle body (3) in a penetrating mode, a first threaded hole is formed in the center of the top of the handle end positioning pin (4), a second threaded hole is formed in the middle of the side wall of the handle end positioning pin (4), a hexagonal connecting screw, a puller screw (5) is installed in a first threaded hole of the handle end positioning pin (4), a return spring (7) is sleeved on the outer side wall of the free end of the hexagonal connecting screw (6), a self-locking safety hook (8) is installed at the end part of the free end of the hexagonal connecting screw (6) in a sliding manner, a third threaded hole is horizontally formed in the free end of the self-locking safety hook (8), a connecting shaft pin (9) is arranged at the free end of the self-locking safety hook (8), a through hole is formed in the middle of the side wall of the connecting shaft pin (9), a connecting screw (10) is arranged in the through hole in the side wall of the connecting shaft pin (9), the connecting screw (10) penetrates through the connecting shaft pin (9) and is fixed with the free end of the self-locking safety hook (8), a self-locking clamping groove is formed in the tail end of the self-locking boss (13), and, the fixture block of the self-locking safety hook (8) is clamped in the self-locking fixture groove of the self-locking boss (13), a through hole is formed in the self-locking boss (13), a fixing screw shaft (11) penetrates through the through hole of the self-locking boss (13), and a fixing screw shaft screw (12) is installed at the bottom of the fixing screw shaft (11).

2. The novel self-returning self-locking device of claim 1, wherein: the outer side wall of the handle body (3) is provided with an anti-slip rubber coating.