CN215763067U

CN215763067U - Chain connecting shaft convenient to disassemble and assemble

Info

Publication number: CN215763067U
Application number: CN202122249912.0U
Authority: CN
Inventors: 简瀚宇
Original assignee: Chenshou Xiamen Automation Technology Co ltd
Current assignee: Chenshou Xiamen Automation Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-08
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a chain connecting shaft convenient to disassemble and assemble, which comprises a chain connecting shaft main body, wherein two first chain plates and two second chain plates are sleeved on the chain connecting shaft main body, the two second chain plates are positioned between the two first chain plates, a first limiting block is fixedly sleeved on the chain connecting shaft main body, and a plurality of first anti-abrasion balls are annularly embedded at the top and the bottom of the first limiting block. The chain connecting shaft has reasonable design, the friction force between the first chain plate and the second chain plate during rotation can be effectively reduced by the arrangement of the first anti-abrasion ball, the second anti-abrasion ball and the third anti-abrasion ball, the abrasion risk caused by long-time rotation can be effectively reduced by the arrangement of the anti-abrasion sleeve, the replacement frequency can be further reduced, the replacement operation of the chain connecting shaft main body can be quickly realized by a simple pulling mode, convenience is provided for personnel to replace and maintain, and the use requirement is met.

Description

Chain connecting shaft convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of chain connecting shafts, in particular to a chain connecting shaft convenient to disassemble and assemble.

Background

The chain mainly comprises a plurality of chain plates and chain connecting shafts, wherein the chain connecting shafts are used for connecting shafts between two adjacent chain plates, the chain connecting shafts are easy to wear and break after being used for a long time, and the chain connecting shafts need to be frequently replaced in order not to influence the use; the connection between current link joint and the chain spiale is mostly through the spacing swing joint of connecting pin, and the both ends of connecting pin are greater than the internal diameter of pinhole, avoids the connection dislocation of link joint, but its mode of connecting through the connecting pin is not convenient for personnel and carries out the split to link joint and chain spiale fast, and then the change maintenance operation of the personnel of not being convenient for, can not satisfy the user demand, therefore we have proposed a chain spiale convenient to dismouting and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a chain connecting shaft convenient to disassemble and assemble.

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

a chain connecting shaft convenient to disassemble and assemble comprises a chain connecting shaft main body, wherein two first chain plates and two second chain plates are sleeved on the chain connecting shaft main body, the two second chain plates are positioned between the two first chain plates, a first limiting block is fixedly sleeved on the chain connecting shaft main body, a plurality of first anti-abrasion balls are annularly embedded at the top and the bottom of the first limiting block, the sides, far away from each other, of the two first anti-abrasion balls which are opposite up and down are respectively in rolling contact with the sides, close to each other, of the two second chain plates, anti-abrasion sleeves are respectively embedded at the tops of the first chain plates and the second chain plates, the anti-abrasion sleeves are movably sleeved on the chain connecting shaft main body, the sides, far away from each other, of the two second limiting blocks are movably sleeved on the chain connecting shaft main body, one sides, far away from each other, of the two second limiting blocks are respectively in rolling contact with the sides, close to each other, of the two first chain plates, the equal movable contact in one side that two first link joints kept away from each other has the fixed block, the fixed block movable sleeve is established in the chain spiale main part, the equal fixedly connected with in one side that two fixed blocks kept away from each other hides the dog, it has the card pipe to shelter from one side fixed mounting that the piece is close to the first link joint that corresponds, first draw-in groove has all been seted up to the top and the bottom of chain spiale main part, the card pipe is kept away from the one end that corresponds hides the dog and is extended to in the first draw-in groove, the second draw-in groove has been seted up on the left side inner wall of first draw-in groove, the activity clamps the solid mechanism of elasticity card in the second draw-in groove, the right side that the solid mechanism of elasticity card extends to in the card pipe that corresponds, it establishes at the solid mechanism of elasticity card to shelter from a slip cover.

Preferably, the elastic clamping mechanism comprises a clamping block which is movably clamped in the second clamping groove, the right side of the clamping block extends into the corresponding clamping tube and is fixedly connected with a moving rod, a positioning rod is fixedly connected between the inner walls of the two sides of the clamping tube, the moving rod sliding sleeve is arranged on the corresponding positioning rod, a first groove is formed in one side, close to each other, of each shielding block, one end, far away from each other, of each moving rod extends into the corresponding first groove respectively, a pull rod is fixedly arranged on the right side of the moving rod, the right end of the pull rod extends to the right side of the corresponding shielding block and is fixedly connected with a pull ring, a spring is fixedly connected between the right side of the moving rod and the inner wall of the right side of the corresponding first groove, and the spring is movably sleeved on the corresponding pull rod.

Preferably, the top and the bottom of the second limiting block are both annularly embedded with a plurality of second anti-wear balls, and one side of each of the two first chain plates, which is close to each other, and one side of each of the two second chain plates, which is far away from each other, are in rolling contact with the corresponding second anti-wear balls respectively.

Preferably, one side that two fixed blocks are close to each other all is the annular and inlays and is equipped with a plurality of third grinding prevention balls, and one side that two first link joints keep away from each other respectively with the third grinding prevention ball rolling contact who corresponds.

Preferably, one side of the movable rod is provided with a first rectangular hole, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the corresponding positioning rod.

Preferably, a second rectangular hole is formed in the inner wall of the right side of the first groove, the inner wall of the second rectangular hole is connected with the outer side of the corresponding pull rod in a sliding mode, an arc-shaped groove with the front side and the rear side both being opened is formed in the right side of the blocking piece, and the inner wall of the arc-shaped groove is in movable contact with the outer side of the corresponding pull rod.

Preferably, the top of the first chain plate and the top of the second chain plate are both provided with an embedded hole, and the inner wall of the embedded hole is fixedly connected with the outer side of the corresponding wear-resistant sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

when the chain connecting shaft main body needs to be replaced, the pull ring is pulled rightwards to drive the moving rod to slide on the positioning rod through the corresponding pull rod and compress the spring, the moving rod drives the corresponding clamping block to move out of the second clamping groove, at the moment, the two shielding plates can be pulled in the direction far away from the chain connecting shaft main body to respectively drive the corresponding clamping pipes to move out of the first clamping groove, the shielding plates drive the corresponding fixing blocks to be separated from the chain connecting shaft main body, at the moment, the two first limiting blocks, the two second limiting blocks and the two second chain plates can be sequentially pulled in the direction far away from each other to be taken down from the chain connecting shaft main body, next, a new chain connecting shaft main body is taken, the second chain plates, the second limiting blocks and the first chain plates are sequentially sleeved on the chain connecting shaft main body, then the pull ring is pulled rightwards again, the shielding blocks are pushed towards the direction close to the chain connecting shaft main body to drive the fixing blocks to be sleeved on the chain connecting shaft main body, the shielding blocks drive the corresponding clamping pipes to move into the first clamping grooves, the tension force to the right of the pull ring is released, the elastic force of the spring in a compression state drives the clamping blocks to move leftwards into the second clamping grooves through the corresponding moving rods, the shielding plates are fixed, at the moment, the two first chain plates and the two second chain plates are limited on the chain connecting shaft main body, and installation is completed.

The chain connecting shaft has reasonable design, the friction force between the first chain plate and the second chain plate during rotation can be effectively reduced by the arrangement of the first anti-abrasion ball, the second anti-abrasion ball and the third anti-abrasion ball, the abrasion risk caused by long-time rotation can be effectively reduced by the arrangement of the anti-abrasion sleeve, the replacement frequency can be further reduced, the replacement operation of the chain connecting shaft main body can be quickly realized by a simple pulling mode, convenience is provided for personnel to replace and maintain, and the use requirement is met.

Drawings

FIG. 1 is a schematic structural view of a chain coupling shaft convenient for disassembly and assembly according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100 chain spiale main part, 101 first link joint, 102 second link joint, 1 second stopper, 2 first stoppers, 3 fixed blocks, 4 shielding plates, 5 second abrasionproof ball, 6 abrasionproof cover, 7 calorie of pipes, 8 first draw-in grooves, 9 second draw-in grooves, 10 fixture blocks, 11 first grooves, 12 carriage release levers, 13 pull rods, 14 springs, 15 locating levers, 16 pull rings, 17 first abrasionproof ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a chain connecting shaft convenient for disassembly and assembly comprises a chain connecting shaft main body 100, wherein two first chain plates 101 and two second chain plates 102 are sleeved on the chain connecting shaft main body 100, the two second chain plates 102 are positioned between the two first chain plates 101, a first limiting block 2 is fixedly sleeved on the chain connecting shaft main body 100, a plurality of first anti-wear balls 17 are annularly embedded at the top and the bottom of the first limiting block 2, the sides of the two first anti-wear balls 17 which are opposite up and down and far away from each other are respectively in rolling contact with the sides of the two second chain plates 102 which are close to each other, anti-wear sleeves 6 are respectively embedded at the tops of the first chain plates 101 and the second chain plates 102, the anti-wear sleeves 6 are movably sleeved on the chain connecting shaft main body 100, the sides of the two second chain plates 102 which are far away from each other are respectively provided with a second limiting block 1, and the two second limiting blocks 1 are movably sleeved on the chain connecting shaft main body 100, one side, away from each other, of each of the two second limiting blocks 1 is in rolling contact with one side, close to each other, of each of the two first chain plates 101, each of the sides, away from each other, of each of the two first chain plates 101 is in movable contact with a fixed block 3, each of the fixed blocks 3 is movably sleeved on the chain connecting shaft main body 100, each of the sides, away from each other, of the two fixed blocks 3 is fixedly connected with a blocking block 4, one side, close to the corresponding first chain plate 101, of each blocking block 4 is fixedly provided with a clamping pipe 7, the top end and the bottom end of the chain connecting shaft main body 100 are both provided with a first clamping groove 8, one end, away from the corresponding blocking block 4, of each clamping pipe 7 extends into the corresponding first clamping groove 8, the inner wall on the left side of each first clamping groove 8 is provided with a second clamping groove 9, an elastic clamping mechanism is movably clamped in each second clamping groove 9, the right side of each elastic clamping mechanism extends into the corresponding clamping pipe 7, and each blocking block 4 is slidably sleeved on the elastic clamping mechanism;

the elastic clamping mechanism comprises a clamping block 10 movably clamped in a second clamping groove 9, the right side of the clamping block 10 extends into a corresponding clamping pipe 7 and is fixedly connected with a moving rod 12, a positioning rod 15 is fixedly connected between the inner walls of the two sides of the clamping pipe 7, the moving rod 12 is sleeved on the corresponding positioning rod 15 in a sliding manner, one side, close to each other, of each of two blocking pieces 4 is provided with a first groove 11, the ends, far away from each other, of the two moving rods 12 respectively extend into the corresponding first grooves 11, the right side of each moving rod 12 is fixedly provided with a pull rod 13, the right end of each pull rod 13 extends to the right side of the corresponding blocking piece 4 and is fixedly connected with a pull ring 16, a spring 14 is fixedly connected between the right side of each moving rod 12 and the inner wall of the right side of the corresponding first groove 11, and the spring 14 is movably sleeved on the corresponding pull rod 13, the utility model has reasonable design, and the arrangement of a first anti-wear ball 17, a second anti-wear ball 5 and a third ball is adopted, frictional force between the time of can effectual reduction first link joint 101 and second link joint 102 rotate, and the setting of abrasionproof cover 6, the wearing and tearing risk that can the long-time rotation of effectual reduction caused, and then can reduce the change frequency, and be convenient for realize the change operation to link joint main part 100 fast through the mode of simple pulling, for personnel change maintenance work provide convenience, satisfy the user demand.

In the utility model, a plurality of second anti-wear balls 5 are annularly embedded at the top and the bottom of the second limiting block 1, one side of two first chain plates 101 close to each other and one side of two second chain plates 102 far away from each other are respectively in rolling contact with the corresponding second anti-wear balls 5, one side of two fixed blocks 3 close to each other is annularly embedded with a plurality of third anti-wear balls, one side of two first chain plates 101 far away from each other is respectively in rolling contact with the corresponding third anti-wear balls, one side of a moving rod 12 is provided with a first rectangular hole, the inner wall of the first rectangular hole is in sliding connection with the outer side of a corresponding positioning rod 15, the inner wall of the right side of a first groove 11 is provided with a second rectangular hole, the inner wall of the second rectangular hole is in sliding connection with the outer side of a corresponding pull rod 13, the right side of a shielding block 4 is provided with an arc-shaped groove with openings at the front side and the rear side, the inner wall of the arc-shaped groove is in movable contact with the outer side of a corresponding pull ring 16, the top of the first chain plate 101 and the top of the second chain plate 102 are both provided with embedded holes, and the inner walls of the embedded holes are fixedly connected with the outer sides of the corresponding anti-abrasion sleeves 6.

The working principle is as follows: when the chain connecting shaft is used, the friction force between the first chain plate 101 and the second chain plate 102 can be effectively reduced due to the arrangement of the first anti-wear ball 17, the second anti-wear ball 5 and the third anti-wear ball, the abrasion risk caused by long-time rotation can be effectively reduced due to the arrangement of the anti-wear sleeve 6, when the chain connecting shaft main body 100 needs to be replaced, the pull ring 16 is pulled rightwards to drive the corresponding pull rod 13 to move rightwards, the pull rod 13 drives the corresponding movable rod 12 to slide on the positioning rod 15 and compress the spring 14, the movable rod 12 drives the corresponding fixture block 10 to move out of the second clamp groove 9, the fixing of the baffle plate 4 is released, at the moment, the two baffle plates 4 can be pulled towards the direction far away from the chain connecting shaft main body 100 to respectively drive the corresponding fixture pipes 7 to move out of the first clamp groove 8, the baffle plate 4 drives the corresponding fixture block 3 to be separated from the chain connecting shaft main body 100, the shielding of the first chain plates 101 is released, at this time, the two first chain plates 101 can be pulled in the direction away from each other to be taken down from the chain connecting shaft main body 100, then the two second limiting blocks 1 are taken down from the chain connecting shaft main body 100, at this time, the second chain plates 102 can be taken down from the chain connecting shaft main body 100, and the chain connecting shaft main body 100 can be replaced;

then a new chain connecting shaft main body 100 is taken, a second chain plate 102, a second limiting block 1 and a first chain plate 101 are sleeved on the chain connecting shaft main body 100 in sequence, at the moment, the pull ring 16 is pulled rightwards again to enable the spring 14 to be in a compressed state, then the blocking piece 4 is pushed towards the direction close to the chain connecting shaft main body 100 to enable the blocking piece to drive the fixed block 3 to be sleeved on the chain connecting shaft main body 100, the blocking piece 4 drives the corresponding clamping pipe 7 to move into the first clamping groove 8, then the right pulling force on the pull ring 16 is released, at the moment, the elasticity of the spring 14 in the compressed state drives the corresponding movable rod 12 to move leftwards, the movable rod 12 drives the corresponding clamping block 10 to move leftwards into the second clamping groove 9, the clamping block 10 is clamped with the corresponding second clamping groove 9, further, the blocking plate 4 is fixed, at the moment, the two first chain plates 101 and the two second chain plates 102 are both limited on the chain connecting shaft main body 100, the installation is accomplished for be convenient for realize the change operation to chain spiale main part 100 fast through the mode of simple pulling, provide convenience for personnel change maintenance work.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A chain connecting shaft convenient to disassemble and assemble comprises a chain connecting shaft main body (100), wherein two first chain plates (101) and two second chain plates (102) are sleeved on the chain connecting shaft main body (100), and the two second chain plates (102) are positioned between the two first chain plates (101), and is characterized in that a first limiting block (2) is fixedly sleeved on the chain connecting shaft main body (100), a plurality of first anti-abrasion balls (17) are embedded in the top and the bottom of the first limiting block (2) in an annular manner, one sides, far away from each other, of the two first anti-abrasion balls (17) which are opposite from each other are respectively in rolling contact with one sides, close to each other, of the two second chain plates (102), anti-abrasion sleeves (6) are embedded at the tops of the first chain plates (101) and the second chain plates (102), the anti-abrasion sleeves (6) are movably sleeved on the chain connecting shaft main body (100), and one sides, far away from each other, of the two second chain plates (102) are respectively provided with a second limiting block (1), two second limiting blocks (1) are movably sleeved on a chain connecting shaft main body (100), one sides, far away from each other, of the two second limiting blocks (1) are respectively in rolling contact with one sides, near to each other, of the two first chain plates (101), one sides, far away from each other, of the two first chain plates (101) are respectively in movable contact with a fixed block (3), the fixed blocks (3) are movably sleeved on the chain connecting shaft main body (100), one sides, far away from each other, of the two fixed blocks (3) are fixedly connected with blocking blocks (4), one sides, near to the corresponding first chain plates (101), of the blocking blocks (4) are fixedly provided with clamping pipes (7), the top end and the bottom end of the chain connecting shaft main body (100) are respectively provided with a first clamping groove (8), one ends, far away from the corresponding blocking blocks (4), of the clamping pipes (7) extend into the first clamping grooves (8), the left inner wall of the first clamping grooves (8) is provided with a second clamping groove (9), an elastic clamping mechanism is movably clamped in the second clamping groove (9), the right side of the elastic clamping mechanism extends into the corresponding clamping pipe (7), and the blocking block (4) is sleeved on the elastic clamping mechanism in a sliding mode.

2. The chain connecting shaft convenient to disassemble and assemble as claimed in claim 1, wherein the elastic clamping mechanism comprises a clamping block (10) movably clamped in the second clamping groove (9), the right side of the clamping block (10) extends into the corresponding clamping tube (7) and is fixedly connected with a moving rod (12), a positioning rod (15) is fixedly connected between the inner walls of the two sides of the clamping tube (7), the moving rod (12) is slidably sleeved on the corresponding positioning rod (15), the first groove (11) is formed in the side, close to each other, of each of the two blocking pieces (4), the ends, far away from each other, of the two moving rods (12) respectively extend into the corresponding first grooves (11), a pull rod (13) is fixedly installed on the right side of the moving rod (12), the right end of the pull rod (13) extends to the right side of the corresponding blocking piece (4) and is fixedly connected with a pull ring (16), a spring (14) is fixedly connected between the right side of the moving rod (12) and the inner wall of the right side of the corresponding first groove (11), the spring (14) is movably sleeved on the corresponding pull rod (13).

3. A chain connecting shaft convenient for disassembly and assembly as claimed in claim 1, wherein the top and bottom of the second stopper (1) are embedded with a plurality of second wear-proof balls (5) in an annular shape, and one side of the two first link plates (101) close to each other and one side of the two second link plates (102) far away from each other are respectively in rolling contact with the corresponding second wear-proof balls (5).

4. A chain connecting shaft convenient to disassemble and assemble according to claim 1, characterized in that the sides of the two fixing blocks (3) close to each other are embedded with a plurality of third grinding balls in an annular shape, and the sides of the two first chain plates (101) far away from each other are respectively in rolling contact with the corresponding third grinding balls.

5. The chain connecting shaft convenient to disassemble and assemble as claimed in claim 2, wherein one side of the moving rod (12) is provided with a first rectangular hole, and the inner wall of the first rectangular hole is slidably connected with the outer side of the corresponding positioning rod (15).

6. The chain connecting shaft convenient to disassemble and assemble as claimed in claim 2, wherein a second rectangular hole is formed in the inner wall of the right side of the first groove (11), the inner wall of the second rectangular hole is slidably connected with the outer side of the corresponding pull rod (13), an arc-shaped groove with the front side and the rear side both being open is formed in the right side of the blocking piece (4), and the inner wall of the arc-shaped groove is in movable contact with the outer side of the corresponding pull ring (16).

7. The chain connecting shaft convenient to disassemble and assemble as claimed in claim 1, wherein the top of the first chain plate (101) and the top of the second chain plate (102) are provided with embedded holes, and the inner walls of the embedded holes are fixedly connected with the outer sides of the corresponding wear-resistant sleeves (6).