CN218031264U

CN218031264U - Chain anti-falling device

Info

Publication number: CN218031264U
Application number: CN202221700802.XU
Authority: CN
Inventors: 李坚华; 刘福军; 祁鑫
Original assignee: Hangzhou Mingdu Intelligent Technology Co ltd
Current assignee: Hangzhou Mingdu Intelligent Manufacturing Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-13
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a chain anti-drop device, which comprises a first chain, a second chain, a pin shaft and an anti-drop part, wherein the first chain is provided with a first through hole; the second chain is arranged on one side of the first chain; the second chain is provided with a second through hole which is communicated with the first through hole; the pin shaft is inserted into the second through hole and the first through hole and connected with the second chain and the first chain; the anti-falling part is fixedly connected with the pin shaft and is positioned on the outer side of the first chain; the lateral wall of the first chain of a lateral wall butt of anticreep piece to the axial of first chain and second chain along the round pin axle breaks away from is avoided breaking away from between first chain and the second chain to the restriction, improves the joint strength between first chain and the second chain, and has realized the anticreep design between first chain and the second chain.

Description

Chain anti-falling device

Technical Field

The application belongs to the second chain field, especially relates to a chain anticreep device.

Background

Along with the development of science and technology, the chain is connected between each part as driving medium or connecting piece, wherein, the second chain is connected in first chain to act on the part, at this moment, through round pin hub connection between second chain and the first chain seat, and the round pin axle is connected second chain and first chain on different positions, and improved the joint strength between second chain and the base, however, the through-hole of first chain is worn to locate by the round pin axle, and break away from first chain along the axis of through-hole under easy in the course of the work, lead to first chain and second chain to break away from each other easily.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a chain anticreep device to solve the problem that current first chain and second chain break away from each other easily.

In a first aspect, an embodiment of the present application provides a chain anti-disengaging device, which includes:

the first chain is provided with a first through hole;

the second chain is arranged on one side of the first chain; the second chain is provided with a second through hole which is communicated with the first through hole;

the pin shaft is inserted into the second through hole and the first through hole and connected with the second chain and the first chain;

the anti-falling part is fixedly connected with the pin shaft and is positioned on the outer side of the first chain; and one side wall of the anti-release piece is abutted against the outer side wall of the first chain so as to limit the first chain and the second chain to be separated along the axial direction of the pin shaft.

Optionally, the anticreep piece includes the retaining ring, the retaining ring cup joints in the tip of round pin axle to combine the second chain clamp to establish first chain.

Optionally, the inner side wall of the retainer ring is sleeved on the outer side wall of the pin shaft, and the outer side wall of the retainer ring exceeds the first through hole along the length direction of the first chain.

Optionally, the anti-release member further includes a clamp spring, and the clamp spring is elastically clamped with the pin shaft and is located outside the retainer ring to limit the retainer ring from being released from the pin shaft.

Optionally, the retainer ring is provided with a third through hole for the pin shaft to penetrate through, an annular groove is formed in the end portion of the third through hole, and the clamp spring is located in the annular groove.

Optionally, the pin shaft is provided with a clamping groove, and the clamping spring is elastically clamped in the clamping groove and exceeds the third through hole along the length direction of the check ring.

Optionally, the clamp springs are arranged annularly and provided with openings, and the distance between two ends of each opening is adjusted along the tensioning of the clamp springs.

Optionally, the clamping groove is a U-shaped groove and is arranged along the circumferential direction of the pin shaft.

In the chain anti-drop device provided by one embodiment of the application, the first chain is provided with a first through hole; the second chain is arranged on one side of the first chain; the second chain is provided with a second through hole which is communicated with the first through hole; the pin shaft is inserted into the second through hole and the first through hole and connected with the second chain and the first chain; the anti-falling part is fixedly connected with the pin shaft and is positioned on the outer side of the first chain; the lateral wall of the first chain of a lateral wall butt of anticreep piece to the axial of restriction first chain and second chain along the round pin axle breaks away from, has avoided breaking away from between first chain and the second chain, improves the joint strength between first chain and the second chain, and has realized the anticreep design between first chain and the second chain.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.

For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.

Fig. 1 is a schematic view of a chain anti-drop device provided in an embodiment of the present application.

Fig. 2 is a top view of the chain disengagement preventing device provided in the embodiment of the present application.

Fig. 3 is a sectional view taken along the direction a in fig. 2.

Fig. 4 is a partially enlarged view in the direction B in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a chain anticreep device to solve the problem that current first second chain and second chain break away from each other easily.

Referring to fig. 1 to 4, the present application provides a chain disengagement preventing device, which includes a first chain 10, a second chain 20, a pin 30, and an disengagement preventing member 40.

The first chain 10 is connected to the second chain 20. The first chain 10 is provided with a first through hole 11; optionally, the first through hole 11 is a circular hole.

The second chain 20 is arranged at one side of the first chain 10; the second chain 20 is provided with a second through hole 21, the second through hole 21 is communicated with the first through hole 11, and the pin shaft 30 can penetrate through the communicated second through hole 21 and the first through hole 11.

The pin shaft 30 is inserted into the second through hole 21 and the first through hole 11 and connects the second chain 20 and the first chain 10, and the connection between the second chain 20 and the first chain 10 is established through the pin shaft 30.

The anti-falling part 40 is fixedly connected with the pin shaft 30 and is positioned at the outer side of the first chain 10; a lateral wall of the anti-slip element 40 abuts against an outer lateral wall of the first chain 10 to limit the first chain 10 and the second chain 20 to be disengaged along the axial direction of the pin shaft 30, so that the first chain 10 and the second chain 20 are prevented from being disengaged, the connection strength between the first chain 10 and the second chain 20 is improved, and the anti-slip design between the first chain 10 and the second chain 20 is realized.

The anti-release member 40 includes a retainer ring 41 and a clamp spring 42.

The retainer ring 41 is sleeved on the end of the pin shaft 30 and is combined with the second chain 20 to clamp the first chain 10, at this time, the first chain 10 is located between the retainer ring 41 and the second chain 20, and the retainer ring 41 and the second chain 20 are respectively arranged on two sides of the first chain 10. The lateral wall of round pin axle 30 is located to retaining ring 41's inside wall cover, and retaining ring 41's lateral wall surpasss first through-hole 11 along the length direction of first chain 10 to with the mutual butt of the lateral wall of first chain 10, outwards break away from with first chain 10 of restriction, and strengthened first chain 10 and round pin axle 30's connection, improved chain anticreep device's anticreep performance.

The clamp spring 42 elastically clamps the pin shaft 30 and is located outside the retainer ring 41 to limit the retainer ring 41 to be separated from the pin shaft 30, wherein the retainer ring 41 is provided with a third through hole 411 for the pin shaft 30 to penetrate through, an end portion of the third through hole 411 is provided with an annular groove 412, and the clamp spring 42 is located in the annular groove 412. Optionally, the clamp spring 42 is annularly arranged and is provided with an opening, and a distance between two ends of the opening is adjusted along the tension of the clamp spring 42.

The pin shaft 30 is provided with a clamping groove 31, and the clamping spring 42 is elastically clamped in the clamping groove 31 and exceeds the third through hole 411 along the length direction of the retaining ring 41. Optionally, the locking groove 31 is a U-shaped groove and is disposed along the circumferential direction of the pin 30.

In the chain anti-drop device provided by one embodiment of the application, the first chain 10 is provided with a first through hole 11; the second chain 20 is arranged at one side of the first chain 10; the second chain 20 is provided with a second through hole 21, and the second through hole 21 is communicated with the first through hole 11; the pin shaft 30 is inserted into the second through hole 21 and the first through hole 11 and is connected with the second chain 20 and the first chain 10; the anti-falling part 40 is fixedly connected with the pin shaft 30 and is positioned at the outer side of the first chain 10; a lateral wall of anticreep piece 40 butt first chain 10's lateral wall to restriction first chain 10 and second chain 20 break away from along the axial of round pin axle 30, avoided breaking away from between first chain 10 and the second chain 20, improved the joint strength between first chain 10 and the second chain 20, and realized the anticreep design between first chain 10 and the second chain 20.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.

Claims

1. The utility model provides a chain anticreep device which characterized in that, chain anticreep device includes:

the first chain is provided with a first through hole;

the anti-falling part is fixedly connected with the pin shaft and is positioned on the outer side of the first chain; and one side wall of the anti-disengaging piece is abutted against the outer side wall of the first chain so as to limit the first chain and the second chain to disengage along the axial direction of the pin shaft.

2. The chain anti-drop device according to claim 1, wherein the anti-drop member comprises a retainer ring, and the retainer ring is sleeved on the end of the pin shaft and clamps the first chain in combination with the second chain.

3. The chain anti-drop device according to claim 2, wherein an inner side wall of the retainer ring is sleeved on an outer side wall of the pin shaft, and the outer side wall of the retainer ring exceeds the first through hole along the length direction of the first chain.

4. The chain anti-drop device according to claim 3, wherein the anti-drop member further comprises a clamp spring, and the clamp spring elastically clamps the pin shaft and is located outside the retainer ring to limit the retainer ring from being separated from the pin shaft.

5. The chain anti-falling device according to claim 4, wherein the retainer ring is provided with a third through hole for the pin shaft to pass through, an annular groove is formed at the end part of the third through hole, and the clamp spring is positioned in the annular groove.

6. The chain anti-drop device according to claim 5, wherein the pin shaft is provided with a clamping groove, and the clamp spring is elastically clamped in the clamping groove and exceeds the third through hole along the length direction of the retainer ring.

7. The chain anti-drop device according to claim 6, wherein the clamp spring is arranged in a ring shape and is provided with an opening, and the distance between two ends of the opening is adjusted along the tension of the clamp spring.

8. The chain release preventing device according to claim 7, wherein the engaging groove is a U-shaped groove and is formed along a circumferential direction of the pin shaft.