Special chain easy to disassemble and assemble for machinery

Abstract

The utility model discloses a special chain easy to disassemble and assemble for machinery, which relates to the field of chains, and comprises an inner chain plate and an outer chain plate, a sleeve is connected in the inner chain plate, a metal roller is arranged on the outer side of the sleeve, a pin is arranged in the sleeve, the pin is positioned in a pin hole of the outer chain plate, grooves are formed in the left side and the right side of the pin, and square rods are arranged in the grooves. A sleeve is arranged on the outer side of the square rod, and a square opening is formed in the inner wall of the sleeve. By pulling the square rod, pulling the square rod from the square groove and rotating the square rod, the square rod drives the sleeve to rotate, the sleeve drives the extrusion block to rotate, the extrusion block extrudes the inclined face of the stop block, the stop block is pushed out of the extending groove, the square rod is inserted into the square groove, and rotation of the square rod is avoided. And on the contrary, the extrusion block can be reset, the stop blocks are pushed to reset, the chain can be disassembled, and the chain can be disassembled and assembled conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain field especially relates to an easy dismounting mechanical special chain. BACKGROUND

[0002] Chain is generally metal chain ring or annular object, is used for mechanical transmission, traction, chain-shaped object for obstructing traffic passage, chain used on mechanical transmission.

[0003] At present, when the chain is used, the outer chain plate, the inner chain plate, the sleeve and the metal roller are connected through the riveting mode of the pin, the pin cannot be restored after the riveting mode, can only be forced to remove, and the removal is inconvenient, after the removal, the riveted pin cannot be used continuously, and a new pin can only be connected.

[0004] Therefore, it is necessary to provide an easy dismounting mechanical special chain to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of easy dismounting mechanical special chain, to solve the problem raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: an easy dismounting mechanical special chain, including inner chain plate and outer chain plate, the inner chain plate is connected with sleeve, the outer side of the sleeve is provided with metal roller, the sleeve is provided with pin, the pin is located in the pin hole of outer chain plate, recess is set up in the left and right sides of the pin, and square rod is provided in recess, the outer side of the square rod is provided with sleeve, the inner wall of the sleeve is set as square mouth, the periphery of the pin is set up with protruding slot, and blocking block is provided in protruding slot, the side wall of the blocking block is set as inclined plane, the periphery of the sleeve is connected with extrusion block corresponding to blocking block, the side wall of recess is set up with square groove corresponding to square rod.

[0007] Preferably, the end of the square rod away from the recess is connected with a pull plate.

[0008] Preferably, a fixing plate is connected in the recess, a through hole corresponding to the square rod is formed in the surface of the fixing plate, a spring is connected to the side wall of the fixing plate, the other end of the spring is connected with an extrusion plate, and the extrusion plate is connected with the square rod through a bearing.

[0009] Preferably, a plurality of connecting rods are connected to the outer side of the sleeve, and a ring-shaped connecting groove corresponding to the connecting rod is formed in the inner wall of the pin.

[0010] The utility model has the following technical effects and advantages:

[0011] By pulling the square rod, the square rod is pulled out of the square groove, and the square rod is rotated, the sleeve is rotated, the extrusion block is rotated, the inclined surface of the extrusion block is extruded, the blocking block is pushed out of the extension groove, and the square rod is inserted into the square groove, avoiding the square rod from rotating, so that multiple blocking blocks can be used to block the outer chain plate, and vice versa, the extrusion block can be reset, and the blocking block can be reset, so that the chain can be disassembled, and the chain can be conveniently disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the side view of the pin of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of part A of the utility model; Figure 1

[0015] Figure 4 It is a schematic diagram of the enlarged structure of part B of the utility model. Figure 3

[0016] In the drawing: 1, inner chain plate; 2, outer chain plate; 3, sleeve; 4, metal roller; 5, pin; 6, groove; 7, square rod; 8, sleeve; 9, blocking block; 10, extrusion block; 11, square groove; 12, pull plate; 13, fixed plate; 14, spring; 15, extrusion plate; 16, connecting rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] The utility model provides a chain disassembling device, which comprises a chain, a plurality of blocking blocks and a plurality of extrusion blocks, the chain comprises a plurality of inner chain plates and a plurality of outer chain plates, the blocking blocks are arranged on the outer chain plates, the extrusion blocks are arranged on the inner chain plates, and the blocking blocks are arranged on the outer chain plates. Figures 1-4 ​​The utility model discloses a kind of special chains of easily dismountable machinery, including inner link plate 1 and outer link plate 2, the inner link plate 1 is connected with sleeve 3, the outer side of sleeve 3 is provided with metal roller 4, sleeve 3 is provided with pin 5, pin 5 is located in the pin hole of outer link plate 2, recess 6 is set up in the left and right sides of pin 5, and square bar 7 is provided in recess 6, the outer side of square bar 7 is provided with sleeve 8, the inner wall of sleeve 8 is set as square mouth, the periphery of pin 5 is set up with protruding slot, and blocking block 9 is provided in protruding slot, the side wall of blocking block 9 is set as inclined plane, the periphery of sleeve 8 is connected with extrusion block 10 corresponding to blocking block 9, the side wall of recess 6 is set up with square groove 11 corresponding to square bar 7, by pulling square bar 7, square bar 7 is pulled from square groove 11, and square bar 7 is rotated, sleeve 8 drives extrusion block 10 to rotate, the inclined plane of extrusion block 10 is extruded blocking block 9, and blocking block 9 is pushed out from protruding slot, and square bar 7 is inserted into square groove 11, avoid square bar 7 to rotate, i.e. using multiple blocking blocks 9 can block outer link plate 2, and vice versa, i.e. extrusion block 10 can be reset, and blocking block 9 can be reset, i.e. chain can be disassembled, and chain can be conveniently disassembled.

[0019] The end of square bar 7 away from recess 6 is connected with pull plate 12, and square bar 7 can be conveniently pulled by rotating pull plate 12.

[0020] The recess 6 is connected with a fixed plate 13, the surface of the fixed plate 13 is provided with a through hole corresponding to the square bar 7, the side wall of the fixed plate 13 is connected with a spring 14, the other end of the spring 14 is connected with an extrusion plate 15, the extrusion plate 15 is connected with the square bar 7 through a bearing, when the square bar 7 is pulled, the square bar 7 pulls the extrusion plate 15 to move, the extrusion plate 15 extrudes the spring 14, so that the spring 14 is deformed, after the square bar 7 is rotated, the spring 14 can keep the square bar 7 in the square groove 11, so as to improve the stability of the whole chain.

[0021] The outer side of the sleeve 8 is connected with a plurality of connecting rods 16, and the inner wall of the pin 5 is provided with an annular connecting groove corresponding to the connecting rod 16, which can conveniently limit the position of the sleeve 8 and improve the stability of the sleeve 8 when rotating.

[0022] The utility model discloses a kind of special chains of easily dismountable machinery, including inner link plate 1 and outer link plate 2, the inner link plate 1 is connected with sleeve 3, the outer side of sleeve 3 is provided with metal roller 4, sleeve 3 is provided with pin 5, pin 5 is located in the pin hole of outer link plate 2, recess 6 is set up in the left and right sides of pin 5, and square bar 7 is provided in recess 6, the outer side of square bar 7 is provided with sleeve 8, the inner wall of sleeve 8 is set as square mouth, the periphery of pin 5 is set up with protruding slot, and blocking block 9 is provided in protruding slot, the side wall of blocking block 9 is set as inclined plane, the periphery of sleeve 8 is connected with extrusion block 10 corresponding to blocking block 9, the side wall of recess 6 is set up with square groove 11 corresponding to square bar 7, by pulling square bar 7, square bar 7 is pulled from square groove 11, and square bar 7 is rotated, sleeve 8 drives extrusion block 10 to rotate, the inclined plane of extrusion block 10 is extruded blocking block 9, and blocking block 9 is pushed out from protruding slot, and square bar 7 is inserted into square groove 11, avoid square bar 7 to rotate, i.e. using multiple blocking blocks 9 can block outer link plate 2, and vice versa, i.e. extrusion block 10 can be reset, and blocking block 9 can be reset, i.e. chain can be disassembled, and chain can be conveniently disassembled.

[0023] By pulling the square rod 7, the square rod 7 is pulled out of the square groove 11, and the square rod 7 is rotated, the sleeve 8 is rotated, the extrusion block 10 is rotated, the inclined surface of the extrusion block 10 extrudes the blocking block 9, the blocking block 9 is pushed out of the extension groove, and the square rod 7 is inserted into the square groove 11, avoiding the square rod 7 from rotating, so that multiple blocking blocks 9 can be used to block the outer chain plate 2, and vice versa, the extrusion block 10 can be reset, and the blocking block 9 can be reset, so that the chain can be disassembled. When the square rod 7 is pulled, the square rod 7 pulls the extrusion plate 15 to move, the extrusion plate 15 extrudes the spring 14, so that the spring 14 is deformed, and after the square rod 7 is rotated, the spring 14 can keep the square rod 7 in the square groove 11, thereby improving the stability of the entire chain.

[0024] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A machine chain for easy disassembly and assembly, comprising an inner chain plate and an outer chain plate, wherein a sleeve is connected inside the inner chain plate, a metal roller is disposed on the outer side of the sleeve, and a pin is disposed inside the sleeve, the pin being located in a pin hole in the outer chain plate, characterized in that: The pin has grooves on both its left and right sides, and a square rod is installed in each groove. A sleeve is installed on the outside of the square rod, and the inner wall of the sleeve is square. The pin has protrusion grooves on all four sides, and a blocking block is installed in each protrusion groove. The side wall of the blocking block is beveled. The sleeve is connected to pressing blocks corresponding to the blocking blocks on all four sides. The side wall of the groove has a square groove corresponding to the square rod.

2. The easily detachable mechanical chain according to claim 1, characterized in that: A pull plate is connected to the end of the square rod away from the groove.

3. The easy-to-disassemble mechanical chain according to claim 1, characterized in that: A fixing plate is connected inside the groove. The surface of the fixing plate has through holes corresponding to the square rod. A spring is connected to the side wall of the fixing plate. The other end of the spring is connected to a pressing plate. The pressing plate is connected to the square rod through a bearing.

4. The easy-to-disassemble mechanical chain according to claim 1, characterized in that: The outer side of the sleeve is connected to multiple connecting rods, and the inner wall of the pin is provided with an annular connecting groove corresponding to the connecting rod.

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