CN220791924U - Heavy-duty roller chain - Google Patents
Heavy-duty roller chain Download PDFInfo
- Publication number
- CN220791924U CN220791924U CN202322289322.XU CN202322289322U CN220791924U CN 220791924 U CN220791924 U CN 220791924U CN 202322289322 U CN202322289322 U CN 202322289322U CN 220791924 U CN220791924 U CN 220791924U
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- China
- Prior art keywords
- chain
- oil groove
- roller
- heavy
- plates
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Links
- 239000003921 oil Substances 0.000 claims abstract description 69
- 230000001050 lubricating effect Effects 0.000 claims abstract description 12
- 239000010687 lubricating oil Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model relates to a heavy-duty roller chain, comprising: a plurality of links, a plurality of outer link plates and a plurality of pin shafts; the chain link includes: the two inner chain plates are sleeved with rollers which are positioned between the two inner chain plates and sleeved outside the two sleeves in a one-to-one correspondence manner; the chain links are connected with each other through two outer chain plates and a pin shaft; the inner side wall of the roller is provided with a spiral oil groove, and the outer side wall of the roller is provided with an oil injection hole communicated with the spiral oil groove and a plug detachably connected with the oil injection hole; lubricating oil is filled in the spiral oil groove; the inner diameter of the roller is matched with the outer diameter of the sleeve, and the inner diameter of the sleeve is matched with the outer diameter of the pin shaft. The heavy-duty roller chain has a simple lubricating structure, is not easy to wear in heavy-duty occasions, and is not easy to cause roller chain pitch elongation or hinge clamping stagnation.
Description
Technical Field
The utility model relates to the technical field of chain transmission, in particular to a heavy-duty roller chain.
Background
A roller chain is a chain for transmitting mechanical power; roller chains generally comprise: the chain link comprises an outer chain plate, an inner chain plate, a sleeve, rollers and pin shafts, wherein the two inner chain plates are fixedly connected with the two sleeve in an interference fit manner, the sleeve is sleeved with the rollers capable of rotating, so that a chain link is formed, the chain links are connected with the pin shafts through the two outer chain plates, the pin shafts are arranged in the sleeve in a penetrating manner, and two ends of the pin shafts penetrate through the outer chain plates and are fixedly connected through rivet heads. The roller chain used in heavy load occasion is easy to wear in the use process, the pitch of the roller chain is lengthened or the hinge shaft is blocked, so that the chain can not meet the working condition; the utility model of Chinese patent application number CN202222142860.1 relates to a roller chain with a self-lubricating function, which comprises an outer chain plate, a pin shaft, an inner chain plate, a sleeve and a roller, wherein an oil storage cavity and a plurality of oil outlets are formed in the pin shaft, a plugging head for plugging the oil storage cavity is arranged on the outer side of the pin shaft, sealing assemblies are arranged in the plurality of oil outlets, an annular groove and an opening are formed in the outer side of the pin shaft, a sliding assembly is arranged in the annular groove, and an extrusion plate is fixedly connected in the sleeve. The utility model has the self-lubricating function, can reduce the abrasion of the roller chain in the use process, but has a complex lubricating structure, the inside of the pin shaft is provided with the oil storage cavity to influence the strength, the maximum working load of the chain is limited, and the defect that the pitch of the roller chain is elongated or the hinge is blocked easily is caused when the roller chain is used in a heavy load occasion, so the design of the heavy-load roller chain is simpler, the abrasion is not easily caused when the roller chain is used in a heavy load occasion, and the pitch of the roller chain is not easily elongated or the hinge is blocked, so the problem to be solved urgently.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a heavy-load roller chain which is simpler in lubricating structure, difficult to wear in heavy load occasions and difficult to cause roller chain pitch elongation or hinge shaft clamping stagnation.
The specific technical scheme of the utility model is as follows:
A heavy duty roller chain comprising: a plurality of links, a plurality of outer link plates and a plurality of pin shafts; the chain link includes: the two inner chain plates are sleeved with rollers which are positioned between the two inner chain plates and sleeved outside the two sleeves in a one-to-one correspondence manner; the chain links are connected with each other through two outer chain plates and a pin shaft; the inner side wall of the roller is provided with a spiral oil groove, and the outer side wall of the roller is provided with an oil injection hole communicated with the spiral oil groove and a plug detachably connected with the oil injection hole; lubricating oil is filled in the spiral oil groove; the inner diameter of the roller is matched with the outer diameter of the sleeve, and the inner diameter of the sleeve is matched with the outer diameter of the pin shaft.
Preferably, the outer end of the inner chain plate is provided with an inner oil groove; the inner oil groove is filled with lubricating grease; the inner end of the outer chain plate is blocked against the inner oil groove; the shape of the inner oil groove is arc-shaped.
Preferably, the inner end of the outer chain plate is provided with an outer oil groove; the outer oil groove is filled with lubricating grease; the outer end of the inner chain plate withstands the outer oil groove; the shape of the outer oil groove is arc-shaped.
Preferably, the oil filling hole includes: the screw hole is arranged on the outer side wall of the roller, and the connecting hole is arranged on the bottom surface of the screw hole and communicated with the spiral oil groove; the end cap includes: the outer end of the screw bolt is provided with a spanner hole and is in threaded connection with the screw hole, and the blocking rod is arranged in the connecting hole and the outer end of the blocking rod is connected with the inner end of the screw bolt; the blocking rod is coaxial with the stud, the diameter of the blocking rod is matched with the diameter of the connecting hole, the screw hole is coaxial with the connecting hole, and the blocking rod is coaxial with the stud.
Preferably, the connecting hole is communicated with one end of the spiral oil groove; the cross-sectional shape of the spiral oil groove is rectangular.
Preferably, the pin shafts penetrate through the sleeve, two ends of the pin shafts penetrate through the two outer chain plates in a one-to-one correspondence manner, and the two ends of the pin shafts are fixedly connected through square rivets; the square riveting is performed through a square riveting head machine.
Preferably, the length of the inner link plate is equal to the length of the outer link plate; the width of the inner link plate is greater than the width of the outer link plate.
Compared with the prior art, the utility model has the beneficial effects that: the heavy-duty roller chain is characterized in that a spiral oil groove is formed in the inner side wall of the roller, lubricating oil is filled in the spiral oil groove and lubricates the roller and the sleeve, abrasion between the roller and the sleeve can be effectively reduced, an inner oil groove is formed in the outer end of an inner chain plate, lubricating grease is filled in the inner oil groove, the inner end of an outer chain plate withstands the inner oil groove, lubricating grease is filled in the outer oil groove, an oil filling hole communicated with the spiral oil groove and a plug detachably connected with the oil filling hole are formed in the outer side wall of the roller, the lubricating oil is conveniently filled, the pin is a solid pin shaft with good strength, the lubricating structure is simple, abrasion is not easy to cause when the heavy-duty roller chain is used in heavy-duty occasions, and the pitch of the roller chain is not easy to stretch or the hinge shaft is not easy to be blocked. The oil filling hole comprises a screw hole arranged on the outer side wall of the roller and a connecting hole arranged on the bottom surface of the screw hole and communicated with the spiral oil groove; the screw bolt of the plug is in threaded connection with the screw hole, and the outer end of the screw bolt is provided with a spanner hole, so that the plug is convenient to assemble and disassemble; the blocking rod is arranged in the connecting hole, and the diameter of the blocking rod is matched with the diameter of the connecting hole, so that the blocking rod is beneficial to blocking the leakage of lubricating oil. The two ends of the pin shaft are fixedly connected through square rivets, the defect that the two ends of the pin shaft are riveted by two points and the outer chain plate is not firmly connected with the pin shaft is overcome, and the outer chain plate is more firmly connected with the pin shaft.
Drawings
FIG. 1 is a schematic view of a construction of the present utility model;
Fig. 2 is a top view of fig. 1.
In the figure: the novel steel plate comprises an outer chain plate 1, a plurality of pin shafts 2, an inner chain plate 3, a sleeve 4, a roller 5, square rivets 6, a spiral oil groove 7, a screw hole 8, a connecting hole 9, a spanner hole 10, a stud 11, a blocking rod 12, an inner oil groove 13 and an outer oil groove 14.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1 and 2: a heavy duty roller chain comprising: a plurality of links, a plurality of outer link plates 1 and a plurality of pin shafts 2.
The chain link includes: the two inner chain plates 3, two sleeve barrels 4 with two ends in interference fit connection with the two inner chain plates 3 in a one-to-one correspondence manner, and two rollers 5 which are positioned between the two inner chain plates 3 and sleeved outside the two sleeve barrels 4 in a one-to-one correspondence manner; the length of the inner chain plate 3 is equal to that of the outer chain plate 1; the inner diameter of the roller 5 is in clearance fit with the outer diameter of the sleeve 4, and the inner diameter of the sleeve 4 is in clearance fit with the outer diameter of the pin 2.
The chain links are connected through two outer chain plates 1 and a pin shaft 2; in this embodiment, the pin shaft 2 is inserted into the sleeve 4, and two ends of the pin shaft 2 correspondingly penetrate through the two outer link plates 1 one by one, and two ends of the pin shaft 2 are fixedly connected through the square rivets 6.
The inner side of the roller 5 is surrounded with a spiral oil groove 7, the cross section of the spiral oil groove 7 is rectangular, and lubricating oil is filled in the spiral oil groove 7; the outer side of the roller 5 is surrounded with an oil filler hole and a plug which are communicated with the spiral oil groove 7; the oil filler point includes: the screw hole 8 is arranged on the outer side wall of the roller 5, and the connecting hole 9 is arranged on the bottom surface of the screw hole 8 and is communicated with one end of the spiral oil groove 7; the end cap includes: the outer end is provided with a spanner hole 10 and a stud 11 which is in threaded connection with the screw hole 8, and a blocking rod 12 which is arranged in the connecting hole 9 and is connected with the inner end of the stud 11 integrally; the screw hole 8 is coaxial with the connecting hole 9, the blocking rod 12 is coaxial with the stud 11, and the diameter of the blocking rod 12 is in clearance fit with the diameter of the connecting hole 9.
The outer end of the inner chain plate 3 is provided with an inner oil groove 13, and lubricating grease is filled in the inner oil groove 13; the inner end of the outer chain plate 1 is abutted against the inner oil groove 13, and the shape of the inner oil groove 13 is arc-shaped; the inner end of the outer chain plate 1 is provided with an outer oil groove 14, lubricating grease is filled in the outer oil groove 14, and the outer end of the inner chain plate 3 is abutted against the outer oil groove 14; the outer oil groove 14 is arc-shaped in shape.
In addition to the above embodiments, the technical features or technical data of the present utility model may be rearranged and combined within the scope of the claims and the description of the present utility model to constitute new embodiments, which may be implemented without inventive effort by those skilled in the art, and thus, embodiments of the present utility model not described in detail should be considered as embodiments of the present utility model within the scope of the protection of the present utility model.
Claims (7)
1. A heavy duty roller chain comprising: a plurality of links, a plurality of outer link plates and a plurality of pin shafts; the chain link includes: the two inner chain plates are sleeved with rollers which are positioned between the two inner chain plates and sleeved outside the two sleeves in a one-to-one correspondence manner; the chain links are connected with each other through two outer chain plates and a pin shaft; the device is characterized in that a spiral oil groove is formed in the inner side wall of the roller, and an oil filling hole communicated with the spiral oil groove and a plug detachably connected with the oil filling hole are formed in the outer side wall of the roller; the spiral oil groove is filled with lubricating oil.
2. The heavy-duty roller chain of claim 1, wherein the outer ends of the inner link plates are provided with inner oil grooves; the inner oil groove is filled with lubricating grease; the inner end of the outer link plate is against the inner oil groove.
3. The heavy-duty roller chain of claim 1, wherein the inner ends of the outer link plates are provided with outer oil grooves; the outer oil groove is filled with lubricating grease; the outer end of the inner link plate is blocked from the outer oil groove.
4. The heavy duty roller chain of claim 1, 2 or 3, wherein said oil filler hole comprises: the screw hole is arranged on the outer side wall of the roller, and the connecting hole is arranged on the bottom surface of the screw hole and communicated with the spiral oil groove; the end cap includes: the outer end is provided with a spanner hole and a screw bolt screwed with the screw hole, and a blocking rod which is arranged in the connecting hole and the outer end is connected with the inner end of the screw bolt.
5. The heavy duty roller chain of claim 4, wherein said connecting hole communicates with one end of the helical groove.
6. The heavy-duty roller chain according to claim 1, 2 or 3, wherein the pin shafts are arranged in the sleeve in a penetrating manner, two ends of the pin shafts penetrate through the two outer chain plates in a one-to-one correspondence manner, and the two ends of the pin shafts are fixedly connected through square rivets.
7. A heavy duty roller chain according to claim 1,2 or 3, wherein the inner link plate has a length equal to the length of the outer link plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289322.XU CN220791924U (en) | 2023-08-24 | 2023-08-24 | Heavy-duty roller chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289322.XU CN220791924U (en) | 2023-08-24 | 2023-08-24 | Heavy-duty roller chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791924U true CN220791924U (en) | 2024-04-16 |
Family
ID=90656643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322289322.XU Active CN220791924U (en) | 2023-08-24 | 2023-08-24 | Heavy-duty roller chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791924U (en) |
-
2023
- 2023-08-24 CN CN202322289322.XU patent/CN220791924U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |