CN211992752U - Auxiliary device is dismantled to drive chain - Google Patents
Auxiliary device is dismantled to drive chain Download PDFInfo
- Publication number
- CN211992752U CN211992752U CN202020442957.2U CN202020442957U CN211992752U CN 211992752 U CN211992752 U CN 211992752U CN 202020442957 U CN202020442957 U CN 202020442957U CN 211992752 U CN211992752 U CN 211992752U
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- Prior art keywords
- precession
- hole
- central
- rod
- holding part
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a transmission chain dismantles auxiliary device, including last precession pole, lower precession pole, unable adjustment base and round pin axle receiver, the top side of going up the precession pole is equipped with the opening face, lower precession pole includes gripping part and front end precession part, gripping part and front end precession part all have seted up central through-hole, the upper portion of gripping part central through-hole is equipped with the internal thread that supplies last precession pole screw in, still be equipped with spring and thimble in the gripping part central through-hole, the spring housing is on the thimble, the spring external diameter slightly is less than the central through-hole diameter of gripping part, the thimble passes front end precession part central through-hole, the top of unable adjustment base is equipped with the through-hole that supplies front end precession part screw in, the downthehole internal thread that corresponds, the bottom of unable adjustment base is equipped with the round pin axle receiver, the round pin axle receiver can follow the track, meanwhile, the problem that tools such as a sample punch and the like are easy to be injured when being used manually can be avoided.
Description
Technical Field
The utility model relates to a mechanical maintenance tool technical field especially relates to a drive chain dismantles auxiliary device.
Background
The transmission chain is formed by assembling a plurality of inner chain links and outer chain links, and lubricating oil can be filled into oil holes of the chain in the using process, so that the chain is lubricated, the chain is prevented from rusting, the friction of the chain is reduced, and the chain is prevented from being abraded. Thereby improving the transmission efficiency of the chain and prolonging the service life of the chain.
However, with the long-term use of the transmission chain, carbon deposits are easily formed in the oil holes of the chain, and the excessive carbon deposits are easily attached to the chain and the guide roller, so that the phenomena of retardation, dragging and the like occur when the chain runs, friction, impact load and motor current are increased, and the abrasion of the chain and the waste of energy are aggravated. Therefore, once the carbon deposition phenomenon of the chain oil hole is found, the chain needs to be disassembled into a single inner chain link and a single outer chain link so as to be convenient to clean.
At present, tools such as hammers, pliers and the like are generally adopted for disassembling the transmission chain to knock the pin shaft of the lower chain plate so as to achieve the purpose of separating the inner chain link from the outer chain link. In actual operation, the method usually takes a long time, and the situations that the sample is punched and slipped and the hammer is knocked to the hand are easy to occur; moreover, the chain is easy to physically deform and even damage due to knocking, so that the invention provides a convenient and quick auxiliary device for disassembling the transmission chain, which is necessary to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy operation swift drive chain dismantles auxiliary device.
In order to achieve the above object, the utility model provides a following technical scheme: a transmission chain dismounting auxiliary device comprises an upper screw rod, a lower screw rod, a fixed base and a pin shaft storage box, wherein a starting surface is arranged on the side surface of the top of the upper screw rod, an external thread is arranged on the side surface of the lower end of the upper screw rod, the lower screw rod comprises a holding part and a front end screw part, central through holes are formed in the holding part and the front end screw part respectively, the diameter of the central through hole of the holding part is slightly smaller than the outer diameter of the front end screw part, an internal thread for screwing the upper screw rod in is arranged on the upper portion of the central through hole of the holding part, a spring and an ejector pin are further arranged in the central through hole of the holding part, the spring is sleeved on the ejector pin, the diameter of the ejector pin is slightly smaller than that of the central through hole of the front end screw part, the outer diameter of the spring is slightly smaller than that of the central through hole of the holding part, the ejector pin penetrates, downthehole corresponding being equipped with the internal thread, unable adjustment base's bottom is equipped with round pin axle receiver, and the track roll-off on unable adjustment base bottom both sides can be followed to round pin axle receiver.
Preferably, the distance from the starting point of the internal thread at the upper part of the central through hole of the gripping part of the lower screw rod to the top end of the gripping part is 50 mm.
Preferably, through holes for fixing are formed in two sides of the bottom of the fixing base, and a through hole for the pin shaft to pass through is formed in the middle of the bottom of the fixing base.
Compared with the prior art, the beneficial effects of the utility model are that: the problem that the prior transmission chain is disassembled by knocking the pin shaft of the lower chain plate by tools such as hammers and pliers to separate the inner chain link from the outer chain link, so that personnel are easily injured, and time and labor are wasted is effectively solved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A-A;
fig. 4 is a partial enlarged view of fig. 2B-B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 4, an auxiliary device for disassembling a transmission chain comprises an upper screw rod 1, a lower screw rod 2, a fixed base 3 and a pin roll storage box 4, wherein a starting surface 11 is arranged on the side surface of the top of the upper screw rod 1, an external thread 12 is arranged on the side surface of the lower end of the upper screw rod 1, the lower screw rod 2 comprises a holding part 21 and a front end screw part 22, the holding part 21 and the front end screw part 22 are both provided with a central through hole, the diameter of the central through hole of the holding part 21 is slightly smaller than the external diameter of the front end screw part 22, the upper part of the central through hole of the holding part 21 is provided with an internal thread for screwing the upper screw rod 1, a spring 211 and a thimble 212 are further arranged in the central through hole of the holding part 21, the spring 211 is sleeved on the thimble 212, the diameter of the thimble 212 is slightly smaller than the diameter of the central through hole of the front end screw part 22, the, thimble 212 passes front end precession part 22 central through-hole, unable adjustment base 3's top is equipped with the through-hole that supplies front end precession part 22 screw in, and downthehole correspondence is equipped with the internal thread, and unable adjustment base 3's bottom is equipped with round pin axle receiver 4, and round pin axle receiver 4 can follow the track roll-off on unable adjustment base 3 bottom both sides.
Referring to fig. 1, 2 and 4, before use, the fixing is performed by screws through the through holes 41 for fixing at two sides of the bottom of the fixing base 3, when in use, an operator holds the holding part 21 with hands, puts the chain to be disassembled into the fixing base 3, aligns the pin shaft part with the through hole 42 for the pin shaft to pass through in the middle of the bottom of the fixing base 3, then screws the front end screwing part 22 into the fixing base until the front end of the thimble 212 contacts the pin shaft of the chain to be disassembled, then screws the upper screwing rod 1 into the central through hole of the lower screwing rod 2 through the starting surface 11 of the upper screwing rod 1 by hands or tools, the upper screwing rod 1 contacts the tail end of the thimble 212 and continues to screw in, the spring 211 compresses while the thimble 212 applies pressure to the pin shaft to eject the pin shaft finally, the pin shaft drops into the pin shaft receiving box 4 along the through hole 42 for the pin shaft to pass through in the middle of the bottom of the fixing, when the pin shaft storage box 4 needs to be slid out along the rails on two sides of the bottom of the fixed base, the pin shaft can be taken out conveniently and quickly, and time and labor are saved.
Referring to fig. 1, 2, 3 and 4, after use, the front-end screw-in part 22 is screwed out first by the hand holding part 21, then the upper screw-in rod 1 is screwed out by the starting surface 11 of the upper screw-in rod 1, and the distance from the starting point 213 of the internal thread on the upper part of the central through hole of the holding part 21 of the lower screw-in rod 2 to the top end of the holding part 21 is 50mm, so that the upper screw-in rod 1 can be directly ejected by the spring 211 only by screwing out a distance to the part without the thread in the screwing-out process, thereby quickening the screwing-out and saving time and labor.
To sum up, the utility model discloses effectively solved present drive chain's dismantlement and generally adopted instruments such as hammer, pincers to strike down the round pin axle of link joint in order to reach the separation of inner chain link and outer link, cause personnel injured's problem easily, labour saving and time saving, convenient and fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A transmission chain disassembly auxiliary device is characterized by comprising an upper precession rod, a lower precession rod, a fixed base and a pin shaft storage box, wherein a starting surface is arranged on the side surface of the top of the upper precession rod, an external thread is arranged on the side surface of the lower end of the upper precession rod, the lower precession rod comprises a holding part and a front end precession part, central through holes are formed in the holding part and the front end precession part respectively, the diameter of the central through hole of the holding part is slightly smaller than the external diameter of the front end precession part, an internal thread for screwing the upper precession rod in is arranged on the upper portion of the central through hole of the holding part, a spring and an ejector pin are further arranged in the central through hole of the holding part, the spring is sleeved on the ejector pin, the diameter of the ejector pin is slightly smaller than that of the central through hole of the front end precession part, the ejector pin penetrates through hole of the front end precession part, a through, downthehole corresponding being equipped with the internal thread, unable adjustment base's bottom is equipped with round pin axle receiver, and the track roll-off on unable adjustment base bottom both sides can be followed to round pin axle receiver.
2. The drive chain detachment assisting device according to claim 1, wherein a starting point of the internal thread of the upper portion of the central through hole of the grip portion of the lower precession rod is spaced from a tip of the grip portion by a distance of 50 mm.
3. The auxiliary device for disassembling the transmission chain as claimed in claim 1, wherein the fixing base is provided with through holes for fixing at both sides of the bottom thereof and a through hole for passing the pin shaft at the center thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442957.2U CN211992752U (en) | 2020-03-31 | 2020-03-31 | Auxiliary device is dismantled to drive chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442957.2U CN211992752U (en) | 2020-03-31 | 2020-03-31 | Auxiliary device is dismantled to drive chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211992752U true CN211992752U (en) | 2020-11-24 |
Family
ID=73421943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442957.2U Expired - Fee Related CN211992752U (en) | 2020-03-31 | 2020-03-31 | Auxiliary device is dismantled to drive chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211992752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692783A (en) * | 2021-01-21 | 2021-04-23 | 湖南交通工程学院 | Elastic impact device |
-
2020
- 2020-03-31 CN CN202020442957.2U patent/CN211992752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692783A (en) * | 2021-01-21 | 2021-04-23 | 湖南交通工程学院 | Elastic impact device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |