CN210949450U

CN210949450U - Pin shaft locking structure

Info

Publication number: CN210949450U
Application number: CN201921949898.1U
Authority: CN
Inventors: 吴徐昊; 夏京城
Original assignee: Suzhou Haotian Yuanjing Metal Products Co ltd
Current assignee: Suzhou Haotian Yuanjing Metal Products Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-07
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a round pin axle locking structure, including first cylinder, top fixedly connected with stopper in the first cylinder, the inside first round pin axle that is provided with of first cylinder, and first round pin axle and first cylinder sliding connection, first round pin axle lateral wall is close to the top position and is provided with first spacing groove, the first handle of first round pin axle end face fixedly connected with, first round pin axle lateral wall runs through and is provided with first through-hole. The utility model discloses in, set up first recess through the terminal surface at first round pin axle, set up first spring in first groove, set up the second cylinder at first cylinder lateral wall simultaneously, be provided with the third cylinder in the second cylinder, be provided with the second spring in the second cylinder, through promoting first round pin axle, the second spring can promote the first through-hole that the third cylinder got into first round pin axle automatically, make with first round pin axle locking, a structure is simple, promote first round pin axle and accomplish automatic locking promptly, the locking is relieved promptly to the pulling third cylinder, and the operation is simple.

Description

Pin shaft locking structure

Technical Field

The utility model relates to a round pin axle application technical field especially relates to a round pin axle locking structure.

Background

The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection. The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly.

The use of current round pin axle in the aspect of locking adopts the metal strip to pass the through-hole of round pin axle to bend and lock more, needs the instrument when its locking, and it is comparatively troublesome to remove the locking, and the metal strip need be changed after bending many times simultaneously, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pin shaft locking structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pin shaft locking structure comprises a first cylinder body, wherein the top in the first cylinder body is fixedly connected with a limiting block, a first pin shaft is arranged in the first cylinder body, and the first pin shaft is connected with the first column body in a sliding way, a first limit groove is arranged on the side wall of the first pin shaft close to the top, the end surface of the first pin shaft is fixedly connected with a first handle, the side wall of the first pin shaft is provided with a first through hole in a penetrating way, a first groove is arranged on the end surface of the first pin shaft, a second cylinder is fixedly connected with the top of the first cylinder, the center of the top of the second cylinder is arranged in a penetrating way, the inner side wall of the second cylinder is provided with a second limiting groove, a third cylinder is arranged inside the second cylinder, a second handle is fixedly connected with the end surface of the top of the third cylinder, the third cylinder lateral wall fixedly connected with spacing ring, second cylinder inside is provided with the second spring.

As a further description of the above technical solution:

the first limiting groove is matched with the limiting block, and the first limiting groove is connected with the limiting block in a sliding mode.

As a further description of the above technical solution:

the first spring is arranged at a first groove of the first pin shaft, the first spring is fixedly connected with the inside of the first groove, the other end of the first spring is fixedly connected with the inside of the first cylinder, and the first spring is in a compression arrangement.

As a further description of the above technical solution:

the limiting ring of the third cylinder side wall is matched with the second limiting groove, and the limiting ring of the third cylinder side wall is connected with the second limiting groove in a sliding mode.

As a further description of the above technical solution:

the second spring is fixedly connected with the inner top of the second column, the other end face of the second spring is fixedly connected with the limiting ring, and the second spring is in a compression arrangement.

As a further description of the above technical solution:

the third column is matched with the first through hole of the first pin shaft.

The utility model discloses following beneficial effect has:

1. the utility model discloses a terminal surface at first round pin axle has set up first recess, first spring has been set up in the first groove, the second cylinder has been set up at first cylinder lateral wall simultaneously, be provided with the third cylinder in the second cylinder, be provided with the second spring in the second cylinder, through promoting first round pin axle, the second spring can promote the first through-hole that the third cylinder got into first round pin axle automatically, make with first round pin axle locking, a structure is simple, promote first round pin axle and accomplish automatic locking promptly, the locking is relieved promptly to the pulling third cylinder, and the operation is simple, convenient being worth widelys popularize.

2. The utility model discloses the top has set up the stopper in first cylinder, through stopper and first round pin axle sliding connection, can prevent first round pin axle from rotating effectively to the practicality of device has been ensured to the condition of unable locking appears, offers convenience for the use of device.

Drawings

Fig. 1 is a front view of a pin locking structure provided by the present invention;

fig. 2 is a working diagram of a pin locking structure provided by the present invention;

fig. 3 is a side view of the pin locking structure provided by the present invention.

Illustration of the drawings:

1. a first column; 11. a limiting block; 12. a first spring; 2. a first pin shaft; 21. a first grip; 22. a first limit groove; 23. a first through hole; 24. a first groove; 3. a second cylinder; 31. a second limit groove; 32. a second spring; 4. a third column; 41. a limiting ring; 42. a second grip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment:

a pin locking structure comprises a first cylinder 1, a limiting block 11 is fixedly connected to the inner top of the first cylinder 1, the limiting block 11 effectively prevents the first pin 2 from rotating, so that the locking can not be completed, a first pin 2 is arranged in the first cylinder 1, the first pin 2 is slidably connected with the first cylinder 1, a first limiting groove 22 is arranged on the side wall of the first pin 2 close to the top, a first handle 21 is fixedly connected to the end surface of the first pin 2, the first handle 21 is used for pushing the first pin 2, a first through hole 23 is arranged on the side wall of the first pin 2 in a penetrating manner, the first through hole 23 is used for matching with a third cylinder 4 to complete a locking task, the third cylinder 4 is inserted into the first through hole 23 of the first pin 2, so that the locking of the first pin 2 is completed, a first groove 24 is arranged on the end surface of the first pin 2, the first groove 24 is used for fixing a first spring 12, when the unlocking is performed, the first spring 12 can pop out the first pin shaft 2, the second cylinder 3 is fixedly connected to the top of the first cylinder 1, the center of the top of the second cylinder 3 is in a penetrating arrangement, the inner side wall of the second cylinder 3 is provided with the second limiting groove 31, the third cylinder 4 is arranged inside the second cylinder 3, the third cylinder 4 is used for being inserted into the first through hole 23 of the first pin shaft 2, the locking task is completed, the second handle 42 is fixedly connected to the top end face of the third cylinder 4, the limiting ring 41 is fixedly connected to the side wall of the third cylinder 4, the limiting ring 41 is used for fixing the second spring 32, the limiting effect is achieved on the third cylinder 4, and the second spring 32 is arranged inside the second cylinder 3.

First spacing groove 22 agrees with mutually with stopper 11, and first spacing groove 22 and stopper 11 sliding connection for the slip of control first round pin axle 2 prevents simultaneously that first round pin axle 2 from rotating, improves the stability of device. First spring 12 is arranged at first groove 24 of first pin shaft 2, first spring 12 is fixedly connected with the inside of first groove 24, the other end of first spring 12 is fixedly connected with the inside of first cylinder 1, first spring 12 is in a compressed arrangement, first pin shaft 2 is automatically ejected out when first spring 12 is arranged so as to unlock, and first through hole 23 of first pin shaft 2 is separated from third cylinder 4. The stop collar 41 of the sidewall of the third cylinder 4 is engaged with the second stop groove 31, and the stop collar 41 of the sidewall of the third cylinder 4 is slidably connected with the second stop groove 31. The second spring 32 is fixedly connected with the inner top of the second column body 3, the other end face of the second spring 32 is fixedly connected with the limiting ring 41, the second spring 32 is in a compression arrangement, when the first through hole 23 of the first pin shaft 2 is matched with the third column body 4, the second spring 32 pushes the third column body 4 to the first through hole 23 to complete locking, and the locking brings convenience. The third column 4 is engaged with the first through hole 23 of the first pin 2.

The working principle is as follows: firstly, as shown in fig. 1, the first handle 21 is pushed to make the first pin 2 enter the first cylinder 1, when the first through hole 23 of the first pin 2 is matched with the third cylinder 4, the second spring 32 will push the third cylinder 4 to enter the first through hole 23 of the first pin 2, and when the external force is removed, the locking operation is completed, when the locking is released, the second handle 42 is pulled first, and when the third cylinder 4 is removed from the first through hole 23 of the first pin 2, the first spring 12 will push the first pin 2, that is, the locking is released, and the operation is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a round pin axle locking structure, includes first cylinder (1), its characterized in that: the inner top of the first cylinder (1) is fixedly connected with a limiting block (11), a first pin shaft (2) is arranged in the first cylinder (1), the first pin shaft (2) is connected with the first cylinder (1) in a sliding manner, a first limiting groove (22) is arranged on the side wall of the first pin shaft (2) close to the top, a first handle (21) is fixedly connected with the end surface of the first pin shaft (2), a first through hole (23) is arranged on the side wall of the first pin shaft (2) in a penetrating manner, a first groove (24) is arranged on the end surface of the first pin shaft (2), a second cylinder (3) is fixedly connected with the top of the first cylinder (1), the center of the top of the second cylinder (3) is arranged in a penetrating manner, a second limiting groove (31) is arranged on the inner side wall of the second cylinder (3), a third cylinder (4) is arranged in the second cylinder (3), and a second handle (42) is fixedly connected with the end surface, the lateral wall of the third cylinder (4) is fixedly connected with a limiting ring (41), and a second spring (32) is arranged inside the second cylinder (3).

2. The locking structure of a hinge pin according to claim 1, wherein: the first limiting groove (22) is matched with the limiting block (11), and the first limiting groove (22) is connected with the limiting block (11) in a sliding mode.

3. The locking structure of a hinge pin according to claim 1, wherein: first recess (24) department of first round pin axle (2) is provided with first spring (12), first spring (12) and the inside fixed connection of first recess (24), first spring (12) other end and the inside fixed connection of first cylinder (1), first spring (12) are the compression setting.

4. The locking structure of a hinge pin according to claim 1, wherein: the limiting ring (41) on the side wall of the third column body (4) is matched with the second limiting groove (31), and the limiting ring (41) on the side wall of the third column body (4) is connected with the second limiting groove (31) in a sliding mode.

5. The locking structure of a hinge pin according to claim 1, wherein: the top fixed connection in second spring (32) and second cylinder (3), another terminal surface and spacing ring (41) fixed connection of second spring (32), and second spring (32) are the compression setting.

6. The locking structure of a hinge pin according to claim 1, wherein: the third column (4) is matched with the first through hole (23) of the first pin shaft (2).