CN214404535U - Roller chain with rapid assembly structure - Google Patents
Roller chain with rapid assembly structure Download PDFInfo
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- CN214404535U CN214404535U CN202023231567.XU CN202023231567U CN214404535U CN 214404535 U CN214404535 U CN 214404535U CN 202023231567 U CN202023231567 U CN 202023231567U CN 214404535 U CN214404535 U CN 214404535U
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- chain
- sleeve
- bush
- roller chain
- plate
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- 125000006850 spacer group Chemical group 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The utility model provides a roller chain with quick assembly structure, belongs to mechanical transmission technical field, structurally comprises first outer link joint, round pin axle, inner link joint, second outer link joint, sleeve, bush and spacer pin connection, and the bush sets up in the inner link joint to carry out axial spacing by the outer link joint of both sides, the bush forms to rotate with the inner link joint to be connected, and the sleeve is arranged in the bush, and its outer wall forms to rotate with the bush to be connected, and the inner wall forms to rotate with the round pin axle to be connected. The utility model discloses compact structure, roller chain assembly is quick, and roller chain inner structure is the moving part, when one of them festival of roller chain appears wearing and tearing or damages, only need pull down the bush and can change, and it is very simple and convenient to operate, can effectively reduce the later maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of mechanical transmission, a chain drive structure is related to, specific saying so relates to a roller chain with rapid Assembly structure.
Background
Roller chains are a type of power chain used in conveyor machines, and are a type of chain drive used in a wide variety of domestic, industrial and agricultural machines, including conveyors, plotters, printing presses, automobiles, motorcycles, and bicycles. It is a simple, reliable and high-efficiency power transmission device, which is connected together by a series of short cylindrical roller chains and driven by a gear called chain wheel. The roller chain consists of an inner chain plate, an outer chain plate, a pin shaft, a sleeve and a roller, wherein the inner chain plate and the sleeve are in interference fit, and the outer chain plate and the pin shaft are in interference fit; the roller is in clearance fit with the sleeve, and the sleeve is in clearance fit with the pin shaft. When the chain wheel is in work, the inner chain link and the outer chain link can be bent relatively, the sleeve can rotate freely around the pin shaft, and the roller is sleeved on the sleeve to reduce abrasion between the chain and the chain wheel. To reduce weight and equalize strength of each section, the inner and outer link plates are often made in a "8" shape. At present, when the roller chain is assembled, the roller and the inner chain plate are connected through interference fit, and the roller and the inner chain plate need to be tightly connected through a press machine, so that the tolerance requirement on the roller and the inner chain plate is high, the operation requirement on an operator is high, the roller and the inner chain plate are difficult to disassemble in the later period once the roller and the inner chain plate form the interference fit, the whole section of chain is usually replaced, and the maintenance cost is high for an ultra-large roller chain.
SUMMERY OF THE UTILITY MODEL
The utility model aims at present roller chain when the assembly, need carry out zonulae occludens with both through the press, the tolerance requirement of roller and inner link board is higher during the installation, and is higher to operating personnel's operating requirement, to super large-scale roller chain, the very difficult of the dismantlement in roller later stage, maintenance cost is not enough than higher etc. provides a roller chain with rapid Assembly structure, can make things convenient for the dismouting of roller chain through this assembly structure, reduces the maintenance cost.
The technical scheme of the utility model: a roller chain with a quick assembly structure comprises a first outer chain plate and a pin shaft arranged on the first outer chain plate; the method is characterized in that: the roller chain is also formed by connecting an inner chain plate, a second outer chain plate, a sleeve, a bushing and a limiting pin; the inner chain plate is provided with a mounting hole, the bushing is composed of a bottom plate and a barrel body, the bottom plate is provided with a positioning through hole, the bushing is connected to the mounting hole from the outer side of the inner chain plate, the barrel body is internally connected with a sleeve, a pin shaft of the first outer chain plate is inserted into the sleeve and penetrates out of the second outer chain plate, and the head of the pin shaft is axially limited and fixed through a limiting pin.
The outer wall of the sleeve and the inner wall of the cylinder body form clearance fit, and the clearance value in the diameter direction is not more than 0.3 mm.
The outer wall of barrel forms clearance fit with the inner wall of mounting hole, and diameter direction's clearance value is not more than 0.3 mm.
The bottom plate is circular, the diameter of the bottom plate is larger than the aperture of the mounting hole, and the positioning through hole in the bottom plate is coaxial with the inner hole of the sleeve and has the same aperture.
The thickness of the bottom plate is the same as that of the cylinder body, and the height of the cylinder body is not larger than that of the inner chain plate.
The utility model has the advantages that: a roller chain with a quick assembly structure structurally comprises a first outer chain plate, a pin shaft, an inner chain plate, a second outer chain plate, a sleeve, a bushing and a limiting pin, wherein the bushing is arranged in the inner chain plate and is axially limited by the outer chain plates on two sides, the bushing is rotatably connected with the inner chain plate, the sleeve is arranged in the bushing, the outer wall of the sleeve is rotatably connected with the bushing, and the inner wall of the sleeve is rotatably connected with the pin shaft. The utility model discloses compact structure, roller chain assembly is quick, and roller chain inner structure is the moving part, when one of them festival of roller chain appears wearing and tearing or damages, only need pull down the bush and can change, and it is very simple and convenient to operate, can effectively reduce the later maintenance cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the middle bushing of the present invention.
In the figure: the device comprises a first outer chain plate 1, a bush 2, a bottom plate 2-1, a positioning through hole 2-2, a cylinder 2-3, an inner chain plate 3, a sleeve 4, a pin shaft 5, a limiting pin 6, a second outer chain plate 7 and a mounting hole 8.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in FIGS. 1-2, a roller chain with a quick assembly structure is formed by connecting a first outer chain plate 1, a pin shaft 5, an inner chain plate 3, a second outer chain plate 7, a sleeve 4, a bushing 2 and a limit pin 6; the inner chain plate 3 is provided with a mounting hole 8, the bush 2 is composed of a bottom plate 2-1 and a cylinder body 2-3, the bottom plate 2-1 is provided with a positioning through hole 2-2, the bush 2 is connected to the mounting hole 8 from the outer side of the inner chain plate 3, the cylinder body 2-3 is internally connected with a sleeve 4, the pin shaft 5 of the first outer chain plate 1 is inserted into the sleeve 4 and penetrates out of the second outer chain plate 7, and the head of the pin shaft 5 is axially limited and fixed through a limiting pin 6.
As shown in figures 1-2, the roller chain with the quick assembly structure has the advantages that the outer wall of the sleeve 4 is in clearance fit with the inner wall of the cylinder body 2-3, and the clearance value in the diameter direction is not more than 0.3 mm; the outer wall of the cylinder body 2-3 is in clearance fit with the inner wall of the mounting hole 8, and the clearance value in the diameter direction is not more than 0.3 mm; the bottom plate 2-1 is circular, the diameter of the bottom plate 2-1 is larger than the aperture of the mounting hole 8, and the positioning through hole 2-2 on the bottom plate 2-1 is coaxial with the inner hole of the sleeve 4 and has the same aperture; the thickness of the bottom plate 2-1 is the same as that of the cylinder 2-3, and the height of the cylinder 2-3 is not more than that of the inner chain plate 3.
As shown in fig. 1-2, a roller chain with a quick-assembly structure works as follows: the bush cooperation sets up in the mounting hole of inner link plate, the bush outside is carried out axial positioning by outer link plate, the bush forms to rotate with inner link plate and is connected, in the bush was arranged in to the sleeve, its outer wall formed to rotate with the bush and is connected, the inner wall formed to rotate with the round pin axle and is connected, the roller chain is at the during operation, because be swing joint between each part, the installation, dismantle and later maintenance are very simple and convenient, this structure can effectively reduce the wearing and tearing consumption of roller chain under the heavy load condition simultaneously, effectively promote the life of roller chain.
Claims (5)
1. A roller chain with a quick assembly structure comprises a first outer chain plate (1) and a pin shaft (5) arranged on the first outer chain plate (1); the method is characterized in that: the roller chain is further formed by connecting an inner chain plate (3), a second outer chain plate (7), a sleeve (4), a bushing (2) and a limiting pin (6); be equipped with mounting hole (8) on inner chain board (3), bush (2) comprise bottom plate (2-1) and barrel (2-3), be equipped with positioning hole (2-2) on bottom plate (2-1), bush (2) are connected to from the outside of inner chain board (3) in mounting hole (8), barrel (2-3) in-connection is equipped with sleeve (4), round pin axle (5) of first outer chain board (1) are pegged graft to in sleeve (4), and follow wear out on second outer chain board (7), the head of round pin axle (5) carries out axial spacing fixed through spacer pin (6).
2. The roller chain with the quick-assembly structure as set forth in claim 1, wherein: the outer wall of the sleeve (4) is in clearance fit with the inner wall of the cylinder body (2-3), and the clearance value in the diameter direction is not more than 0.3 mm.
3. The roller chain with the quick-assembly structure as set forth in claim 1, wherein: the outer wall of the cylinder body (2-3) is in clearance fit with the inner wall of the mounting hole (8), and the clearance value in the diameter direction is not more than 0.3 mm.
4. The roller chain with the quick-assembly structure as set forth in claim 1, wherein: the bottom plate (2-1) is circular, the diameter of the bottom plate (2-1) is larger than the aperture of the mounting hole (8), and the positioning through hole (2-2) on the bottom plate (2-1) is coaxial with the inner hole of the sleeve (4) and has the same aperture.
5. The roller chain with the quick-assembly structure as set forth in claim 1, wherein: the thickness of the bottom plate (2-1) is the same as that of the cylinder body (2-3), and the height of the cylinder body (2-3) is not more than that of the inner chain plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231567.XU CN214404535U (en) | 2020-12-29 | 2020-12-29 | Roller chain with rapid assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231567.XU CN214404535U (en) | 2020-12-29 | 2020-12-29 | Roller chain with rapid assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404535U true CN214404535U (en) | 2021-10-15 |
Family
ID=78041819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023231567.XU Active CN214404535U (en) | 2020-12-29 | 2020-12-29 | Roller chain with rapid assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404535U (en) |
-
2020
- 2020-12-29 CN CN202023231567.XU patent/CN214404535U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |