Assembled roller chain

Abstract

The utility model relates to the technical field of assembled roller chains, in particular to an assembled roller chain which comprises a lifting block, a clamping ring is arranged on the periphery of the outer ring of the bottom of the lifting block, an annular groove is formed in the periphery of one side of an outer chain plate, a first spring is arranged in the annular groove, and the outer side of the first spring is connected with the clamping ring. A telescopic groove is formed in the periphery of the pin shaft opening in one side of the outer chain plate, a second spring is arranged in the telescopic groove, and the inner side of the second spring is connected with a telescopic clamping block; the sleeves are arranged on the two sides of the inner chain plate; the assembled roller chain has the advantages that the inner chain plates are placed on the inner sides of the outer chain plates firstly, pin shaft openings of the outer chain plates and the inner chain plates are aligned, then the lifting blocks are pulled, the extrusion blocks arranged on the peripheries of the inner rings of the lifting blocks are pulled out of the telescopic grooves, and then the inner chain plates and the outer chain plates are fixed. And the second spring contracts the telescopic clamping block into the telescopic groove through contraction force, and then a pin shaft is inserted into a pin shaft opening in the other end of the outer chain plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of assembled roller chain, concretely to an assembled roller chain. BACKGROUND

[0002] The roller chain is a chain widely used in industrial transmission system, which is composed of inner and outer chain plates, pin shafts, sleeves and rollers, and has various types and specifications.

[0003] In the prior art, when the assembled roller chain is installed and disassembled, a special tool is needed to insert the pin shaft into the sleeve, and the inner and outer chain plates are assembled and connected, which is complicated and inconvenient for quick disassembly and replacement of damaged chains, therefore, the utility model provides an assembled roller chain to solve the problem of complicated installation of the roller chain in the prior art. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an assembled roller chain to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lifting block is provided with a clamping ring around the outer circle of the bottom, a ring groove is formed around the side of the outer chain plate, a first spring is arranged in the ring groove, and the outer side of the first spring is connected with the clamping ring; a telescopic slot is formed around the pin shaft port on the side of the outer chain plate, a second spring is arranged in the telescopic slot, and the inner side of the second spring is connected with a telescopic clamping block; a sleeve is arranged on both sides of the inner chain plate.

[0006] Preferably, the sleeve is inserted with a pin shaft, the pin shaft can fix the assembly and splicing of the outer chain plate and the inner chain plate, the outer side of the sleeve is sleeved with a roller, and a plurality of outer chain plates, inner chain plates, sleeves and rollers are spliced to form a roller chain.

[0007] Preferably, the ring groove is arranged around the outer circle of the side pin shaft port of the outer chain plate, the first spring in the ring groove can pull the clamping ring to shrink into the ring groove, and the inner side of the lifting block is provided with a pressing block inserted into the telescopic slot.

[0008] Preferably, the outer side of the telescopic slot is provided with a second spring, the inner side of the second spring is connected with a telescopic clamping block, and the second spring can drive the telescopic clamping block to shrink into the telescopic slot.

[0009] Preferably, a clamping groove is formed in the side end of the pin shaft, the pressing block can extrude the inner side arc surface of the telescopic clamping block, the telescopic clamping block is inserted into the clamping groove, and the insertion of the pin shaft is fixed.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The first spring in the annular groove starts to pull the retaining ring by the contraction force, shrinks to the annular groove, and causes the extrusion block of the inner ring of the lifting block to be inserted into the expansion slot, and the extrusion block starts to squeeze the inner arc surface of the expansion block, so that the expansion block is inserted into the slot opened at the end of the pin shaft to fix the pin shaft, and the roller chain can be quickly installed without using tools. When the roller chain is damaged, it only needs to pull the lifting block again to extract the pin shaft, and the roller chain can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of the outer link plate of the utility model.

[0016] In the figure: outer link plate 1, inner link plate 2, sleeve 3, roller 4, pin 5, lifting block 6, ring groove 7, first spring 8, retaining ring 9, telescopic groove 10, telescopic clamping block 11, clamping groove 12, extrusion block 13, second spring 14. DETAILED DESCRIPTION

[0017] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example 1

[0019] See also Figures 1-4The utility model provides a technical solution: a lifting block 6, a clamping ring 9 is arranged around the outer ring of the bottom of the lifting block 6, a ring groove 7 is opened around one side of the outer link plate 1, a first spring 8 is arranged in the ring groove 7, and the outer side of the first spring 8 is connected to the clamping ring 9; and a telescopic groove 10 is opened around the pin shaft opening on one side of the outer link plate 1, a second spring 14 is arranged in the telescopic groove 10, and the inner side of the second spring 14 is connected to the telescopic clamping block 11; a sleeve 3, the sleeve 3 is arranged on both sides of the inner link plate 2; the pin shaft opening at the other end of the outer link plate 1 passes through, and then the lifting block 6 is released and pulled, and the first spring 8 in the ring groove 7 starts to pull the clamping ring 9 through the contraction force and shrinks into the ring groove 7.

[0020] Example 2

[0021] On the basis of Example 1, a pin shaft 5 is inserted into the sleeve 3, and the pin shaft 5 can assemble and fix the outer link plate 1 and the inner link plate 2. The outer side of the sleeve 3 is sleeved with a roller 4. Multiple groups of outer link plates 1, inner link plates 2, sleeves 3, and rollers 4 are spliced ​​to form a roller chain; the annular groove 7 is arranged around the outer circle of the pin shaft opening on the side of the outer link plate 1, and the first spring 8 in the annular groove 7 can pull the clamping ring 9 to shrink into the annular groove 7, and make the extrusion block 13 arranged on the inner side of the lifting block 6 inserted into the telescopic groove 10; the inner link plate 2 is placed on the inner side of the outer link plate 1, so that the pin shaft openings of the outer link plate 1 and the inner link plate 2 are aligned, and then by pulling the lifting block 6, the extrusion block 13 arranged around the inner circle of the lifting block 6 is pulled out from the telescopic groove 10.

[0022] Example 3

[0023] On the basis of Example 2, a second spring 14 is provided on the outside of the telescopic slot 10, and the inner side of the second spring 14 is connected to the telescopic block 11. The second spring 14 can drive the telescopic block 11 to retract into the telescopic slot 10; a slot 12 is opened at one side end of the pin shaft 5, and the extrusion block 13 can squeeze the inner arc surface of the telescopic block 11, so that the telescopic block 11 is inserted into the slot 12, and the insertion of the pin shaft 5 is fixed; the extrusion block 13 of the inner circle of the lifting block 6 is inserted into the telescopic slot 10, and the extrusion block 13 begins to squeeze the inner arc surface of the telescopic block 11, so that the telescopic block 11 is inserted into the slot 12 opened at the end of the pin shaft 5, and the pin shaft 5 is fixed.

[0024] In actual use, first place the inner link plate 2 on the inner side of the outer link plate 1 so that the pin shaft openings of the outer link plate 1 and the inner link plate 2 are aligned, and then pull the lifting block 6 to pull the extrusion block 13 set around the inner circle of the lifting block 6 out of the telescopic slot 10, and the second spring 14 begins to shrink the telescopic block 11 into the telescopic slot 10 through the contraction force, and then insert the pin shaft 5 into the pin shaft opening at the other end of the outer link plate 1, and make the pin shaft 5 pass through the sleeves 3 on both sides of the inner link plate 2 and pass through the pin shaft opening at the other end of the outer link plate 1, and then release the lifting block 6. The first spring 8 in the annular groove 7 starts to pull the retaining ring 9 through the contraction force, shrinks into the annular groove 7, and inserts the extrusion block 13 of the inner ring of the lifting block 6 into the telescopic groove 10. The extrusion block 13 starts to squeeze the inner arc surface of the telescopic block 11, so that the telescopic block 11 is inserted into the card groove 12 opened at the end of the pin shaft 5, and the pin shaft 5 is fixed. No tools are needed to achieve rapid installation of the roller chain. When the roller chain is damaged, just pull the lifting block 6 again to pull out the pin shaft 5 and replace the roller chain.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled roller chain, characterized in that: include: A lifting block (6), a clamping ring (9) is provided around the outer ring of the bottom of the lifting block (6), a ring groove (7) is provided around one side of the outer link plate (1), a first spring (8) is provided in the ring groove (7), and the outer side of the first spring (8) is connected to the clamping ring (9); and A telescopic slot (10) is provided around the pin shaft opening on one side of the outer link plate (1), a second spring (14) is provided in the telescopic slot (10), and the inner side of the second spring (14) is connected to the telescopic block (11); The sleeve (3) is arranged on both sides of the inner link plate (2).

2. The assembled roller chain according to claim 1, characterized in that: A pin (5) is inserted into the sleeve (3), and the pin (5) can assemble and fix the outer link plate (1) and the inner link plate (2). A roller (4) is sleeved on the outer side of the sleeve (3). Multiple groups of outer link plates (1), inner link plates (2), sleeves (3), and rollers (4) are spliced ​​together to form a roller chain.

3. The assembled roller chain according to claim 2, characterized in that: The annular groove (7) is arranged around the outer ring of the pin shaft opening on the side of the outer link plate (1). The first spring (8) in the annular groove (7) can pull the clamping ring (9) to shrink into the annular groove (7), and enable the extrusion block (13) arranged on the inner side of the pulling block (6) to be inserted into the telescopic groove (10).

4. The assembled roller chain according to claim 3, characterized in that: A second spring (14) is provided on the outside of the telescopic slot (10), and the inside of the second spring (14) is connected to the telescopic block (11). The second spring (14) can drive the telescopic block (11) to retract into the telescopic slot (10).

5. The assembled roller chain according to claim 4, characterized in that: A slot (12) is provided at one end of the pin shaft (5), and the extrusion block (13) can squeeze the inner arc surface of the telescopic block (11), so that the telescopic block (11) is inserted into the slot (12), thereby fixing the insertion of the pin shaft (5).

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