CN220850609U - Reciprocating movement chain adjusting device - Google Patents
Reciprocating movement chain adjusting device Download PDFInfo
- Publication number
- CN220850609U CN220850609U CN202322883600.4U CN202322883600U CN220850609U CN 220850609 U CN220850609 U CN 220850609U CN 202322883600 U CN202322883600 U CN 202322883600U CN 220850609 U CN220850609 U CN 220850609U
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- Prior art keywords
- chain
- connecting shaft
- bolt
- hole
- joint
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model discloses a reciprocating chain adjusting device, which relates to the field of chain transmission and comprises a chain transmission mechanism, a connecting block and an adjusting bolt; the chain transmission mechanism comprises a chain; the adjusting bolt comprises a rotary bolt, a connecting shaft coaxially and rotatably connected to the rotary bolt, and a chain joint arranged at one end of the connecting shaft far away from the rotary bolt; the rotary bolt is in threaded connection with the connecting block; one end of the chain is connected to the connecting block, and the other end of the chain is connected to the chain joint. When the chain is required to be tensioned and adjusted, the tensioning of the chain can be controlled only by rotating the rotary bolt, so that the chain adjusting structure is simple and the operation is convenient.
Description
Technical Field
The utility model relates to the field of chain transmission, in particular to a reciprocating chain adjusting device.
Background
The existing chain is often provided with a tensioning adjustment mechanism so as to solve the problems of falling off or low transmission efficiency caused by the fact that the chain becomes long after a period of use. Existing tensioning adjustment mechanisms typically accomplish the purpose of tensioning the chain by adjusting the position of one of the sprockets, but because the sprocket itself also needs to be rotated, this eventually results in the connection structure of the adjustable sprocket becoming complex, thereby affecting the overall chain drive layout.
Disclosure of utility model
In order to simplify the chain tension adjusting mechanism, the utility model provides a reciprocating chain adjusting device.
The utility model provides a reciprocating chain adjusting device which adopts the following technical scheme:
A reciprocating chain adjusting device comprises a chain transmission mechanism, a connecting block and an adjusting bolt; the chain transmission mechanism comprises a chain; the adjusting bolt comprises a rotary bolt, a connecting shaft coaxially and rotatably connected to the rotary bolt, and a chain joint arranged at one end of the connecting shaft far away from the rotary bolt; the rotary bolt is in threaded connection with the connecting block; one end of the chain is connected to the connecting block, and the other end of the chain is connected to the chain joint.
Through adopting above-mentioned technical scheme, when needs carry out tensioning to the chain and adjust, only need rotatory rotation bolt, can control chain tensioning, chain regulation simple structure like this, convenient operation.
Optionally, a coaxial penetrating hole is formed in the rotary bolt; the through holes comprise a first through hole and a second through hole; the first and second through holes are both coaxially disposed and the diameter of the first through hole is smaller than the diameter of the second through hole; the first through hole is close to the head of the rotary bolt; the second through hole is far away from the head of the rotary bolt; the connecting shaft comprises a first connecting shaft and a second connecting shaft; the first connecting shaft and the second connecting shaft are coaxially arranged, and the diameter of the first connecting shaft is larger than that of the second connecting shaft; the diameter of the first connecting shaft is the same as the diameter of the second through hole; the diameter of the second connecting shaft is the same as that of the first through hole; the connecting shaft is axially inserted into the through hole; the chain joint is connected to one end of the second connecting shaft far away from the first connecting shaft.
Through adopting above-mentioned technical scheme, when rotatory bolt and connecting axle are connected, only need to insert rotatory bolt's the downthehole of passing of connecting axle axial, it is convenient to change like this, can realize both relative rotation when using simultaneously.
Optionally, the chain joint is detachably connected to the connecting shaft.
Through adopting above-mentioned technical scheme, chain joint and connecting axle can dismantle, make things convenient for chain joint and connecting axle follow-up change and maintenance.
Optionally, a connecting slot for axially inserting the connecting shaft is arranged on the end face, close to the connecting shaft, of the chain connector; the connecting shaft is axially inserted into the connecting slot, and the connecting shaft and the chain connector are connected into a whole through a first bolt.
Through adopting above-mentioned technical scheme, when chain joint and connecting axle are connected, the one end of connecting axle inserts in the connecting slot, then insert on chain joint and connecting axle first bolt can, the dismouting is convenient.
Optionally, the chain is detachably connected with the chain connector.
By adopting the technical scheme, the chain and the chain joint can be detached, so that the follow-up replacement and maintenance of the chain and the chain joint are facilitated.
Optionally, the chain and the chain joint are connected into a whole through a second bolt.
Through adopting above-mentioned technical scheme, insert the second bolt on chain and chain joint can, the dismouting is convenient.
Optionally, a central notch is arranged at one end of the chain joint, which is far away from the connecting shaft; the two ends of the central notch in the direction perpendicular to the second bolt are penetrated; one end of the chain joint, which is far away from the connecting shaft, is simultaneously connected with a pair of chains.
Through adopting above-mentioned technical scheme, can realize through a chain joint a pair of the connection of chain is favorable to satisfying chain drive's intensity needs.
Optionally, the adjusting bolts are connected to a pair of opposite end surfaces of the connecting block; the rotation central axes of both the pair of the adjusting bolts are collinear; one end of the chain is connected to the chain connector on one side, and the other end of the chain is connected to the chain connector on the other side.
Through adopting above-mentioned technical scheme, the equal accessible adjusting bolt in chain both ends is adjusted, greatly increased the accommodation of chain, be favorable to increasing chain life.
In summary, the beneficial effects of the utility model are as follows:
1. the chain is simple in adjusting structure and convenient to operate.
2. Easy dismounting is favorable to follow-up change and maintenance.
3. Two chains can be connected simultaneously, which is beneficial to meeting the strength requirement of chain transmission.
Drawings
Fig. 1 is a schematic elevational view of the present utility model.
Fig. 2 is a schematic diagram of the structure of the pair of adjusting bolts 30 and the connection block 40 of the present utility model in elevation.
Fig. 3 is a schematic structural view of an adjusting bolt 30 of the present utility model.
Fig. 4 is a schematic front view of the adjusting bolt 30 of the present utility model.
Fig. 5 is a schematic view of the structure of the section A-A of fig. 4 according to the present utility model.
Reference numerals illustrate:
10. A sprocket;
20. A chain;
30. An adjusting bolt; 31. rotating the bolt; 310. a pass-through hole; 3101. a first pass-through hole; 3102. a second pass-through hole; 32. a connecting shaft; 320. connecting the through holes; 321. a first connecting shaft; 322. a second connecting shaft; 33. a chain joint; 330. a horizontal jack; 331. a central gap; 332. punching on the upper part; 333. a connection slot; 34. a first latch; 35. a second latch;
40. And (5) connecting a block.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The application discloses a reciprocating chain adjusting device, referring to fig. 1 and 2, comprising a chain transmission mechanism, a connecting block 40 and a pair of adjusting bolts 30; the chain transmission mechanism comprises two pairs of chain wheels 10 and a pair of chains 20; the chain 20 is engaged and connected to the pair of sprockets 10 on the respective sides; a pair of adjusting bolts 30 are respectively connected to a pair of opposite end surfaces of the connection block 40; one end of a pair of chains 20 is connected to one of the adjusting bolts 30, and the other end is connected to the other adjusting bolt 30.
In other embodiments, one end of the chain 20 is connected to the connection block 40 by the adjusting bolt 30, and the other end may be directly connected to the connection block 40.
Referring to fig. 3 and 4, the adjusting bolt 30 includes a rotary bolt 31, a connecting shaft 32 coaxially rotatably coupled to the rotary bolt 31, and a chain joint 33 provided at an end of the connecting shaft 32 remote from the rotary bolt 31; both ends of the chain 20 are connected to a pair of chain joints 33, respectively.
Referring to fig. 5, the rotary bolt 31 is an outer hexagonal bolt; screw holes for screwing the rotary bolts 31 are formed on a pair of opposite end surfaces of the connection block 40 and rotation center axes of the screw holes are collinear; the end face of the rotary bolt 31 far from the head is provided with a through hole 310 which axially penetrates; the passing holes 310 include a first passing hole 3101 and a second passing hole 3102; both the first passing hole 3101 and the second passing hole 3102 are coaxially disposed and the diameter of the first passing hole 3101 is smaller than the diameter of the second passing hole 3102; the first passing hole 3101 is close to the head of the rotation bolt 31; the second passing hole 3102 is distant from the head of the rotation bolt 31.
Referring to fig. 5, the connection shaft 32 includes a first connection shaft 321 and a second connection shaft 322; the first connecting shaft 321 and the second connecting shaft 322 are cylindrical; both the first connecting shaft 321 and the second connecting shaft 322 are coaxially disposed and the diameter of the first connecting shaft 321 is larger than the diameter of the second connecting shaft 322; the diameter of the first connecting shaft 321 is the same as the diameter of the second passing hole 3102; the diameter of the second connecting shaft 322 is the same as the diameter of the first passing hole 3101; when assembled, the connection shaft 32 is inserted into the passing hole 310, and finally the second connection shaft 322 passes through the head of the rotation bolt 31 through the first passing hole 3101.
Referring to fig. 3 to 5, a connection slot 333 into which the second connection shaft 322 is axially inserted is formed in the end surface of the chain joint 33 adjacent to the rotation bolt 31; one end of the chain connector 33, which is close to the rotary bolt 31, is provided with a horizontal jack 330 which horizontally penetrates through the chain connector; the horizontal insertion hole 330 perpendicularly intersects with the rotation center axes of both the connection slots 333; a first bolt 34 is horizontally inserted in the horizontal jack 330; one end of the second connecting shaft 322, which is far away from the first connecting shaft 321, is provided with a connecting perforation 320 through which the first bolt 34 horizontally passes; when installed, the second connection shaft 322 is inserted into the horizontal insertion hole 330, and then the first latch 34 sequentially passes through one side of the horizontal insertion hole 330, the connection hole 320, and the other side of the horizontal insertion hole 330.
Referring to fig. 3 to 5, a center notch 331 is formed in the center of one end of the chain joint 33, which is far away from the connecting shaft 32, and the center notch 331 is opened along the two axial ends of the first bolt 34; an upper through hole 332 is formed in the end, away from the connecting shaft 32, of the chain connector 33; the upper through hole 332 is perpendicular to the horizontal insertion hole 330; a second bolt 35 is horizontally inserted in the upper through hole 332; one of the pair of outer link plates at the end of the chain 20 is located in the center cutout 331 and the other is located outside the chain joint 33; when installed, the second pin 35 passes through the outer link plate on one side, one side of the upper through hole 332, a pair of outer link plates in the center notch 331, and the outer link plates on the other side and the other side of the upper through hole 332 in this order.
In other embodiments, the chain joint 33 may be connected to only one chain 20, and in this case, the central notch 331 need not be formed on the chain joint 33, and a pair of outer link plates at the end of the chain joint 33 are located at two sides of the chain joint 33; when installed, the second pin 35 passes through the outer link plate of one side, the upper through hole 332, and the outer link plate of the other side in this order.
In order to ensure that the connection block 40 does not affect the transmission of the chain 20, a guide structure may be provided so that the connection block 40 moves along the transmission direction of the chain 20, and the guide structure may be a linear guide rod, a linear guide rail, or the like, which serves as a linear guide mechanism.
The application relates to a working principle of a reciprocating chain adjusting device, which comprises the following steps:
Referring to fig. 1 in operation, at this time, the pair of chains 20 can be driven to reciprocate by the forward and reverse rotation of the pair of sprockets 10 on the same side, and when the tension of the pair of chains 20 needs to be adjusted, one of the rotation bolts 31 can be selectively rotated so as to drive the ends of the pair of chains 20 to approach the connecting block 40; after the rotary bolt 31 on one side is rotated to the head, the other end portions of the pair of chains 20 can be brought close to the connection block 40 by rotating the other rotary bolt 31; thus, the chain is convenient to adjust.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A reciprocating movement chain adjusting device is characterized in that: comprises a chain transmission mechanism, a connecting block (40) and an adjusting bolt (30); the chain drive comprises a chain (20); the adjusting bolt (30) comprises a rotating bolt (31), a connecting shaft (32) coaxially and rotatably connected to the rotating bolt (31), and a chain joint (33) arranged at one end of the connecting shaft (32) far away from the rotating bolt (31); the rotary bolt (31) is in threaded connection with the connecting block (40); one end of the chain (20) is connected to the connecting block (40), and the other end is connected to the chain joint (33).
2. The reciprocating chain regulating device as set forth in claim 1, wherein: a coaxial through hole (310) is formed in the rotary bolt (31); the through holes (310) include a first through hole (3101) and a second through hole (3102); -the first (3101) and the second (3102) through holes are both coaxially arranged and the diameter of the first through hole (3101) is smaller than the diameter of the second through hole (3102); the first through hole (3101) is close to the head of the rotary bolt (31); the second through hole (3102) is remote from the head of the rotary bolt (31); the connecting shaft (32) comprises a first connecting shaft (321) and a second connecting shaft (322); -both the first connecting shaft (321) and the second connecting shaft (322) are coaxially arranged and the diameter of the first connecting shaft (321) is larger than the diameter of the second connecting shaft (322); the diameter of the first connecting shaft (321) is the same as the diameter of the second through hole (3102); the diameter of the second connecting shaft (322) is the same as the diameter of the first through hole (3101); the connecting shaft (32) is axially inserted into the through hole (310); the chain joint (33) is connected to one end of the second connecting shaft (322) far away from the first connecting shaft (321).
3. The reciprocating chain regulating device as set forth in claim 1, wherein: the chain joint (33) is detachably connected to the connecting shaft (32).
4. A reciprocating chain regulating device as claimed in claim 3, wherein: a connecting slot (333) for axially inserting the connecting shaft (32) is arranged on the end surface of the chain joint (33) close to the connecting shaft (32); the connecting shaft (32) is axially inserted into the connecting slot (333) and the connecting shaft (32) and the chain joint (33) are connected into a whole through a first bolt (34).
5. The reciprocating chain regulating device as set forth in claim 1, wherein: the chain (20) is detachably connected with the chain joint (33).
6. The reciprocating chain adjusting apparatus as set forth in claim 5, wherein: the chain (20) and the chain joint (33) are connected into a whole through a second bolt (35).
7. The reciprocating chain adjusting apparatus as set forth in claim 6, wherein: a central notch (331) is arranged at one end of the chain joint (33) far away from the connecting shaft (32); the two ends of the central notch (331) are arranged in a penetrating manner in the direction perpendicular to the second bolt (35); one end of the chain joint (33) away from the connecting shaft (32) is simultaneously connected with a pair of chains (20).
8. The reciprocating chain regulating device as set forth in claim 1, wherein: the pair of opposite end surfaces of the connecting block (40) are connected with the adjusting bolts (30); the central axes of rotation of both of the pair of adjustment bolts (30) are collinear; one end of the chain (20) is connected to the chain joint (33) on one side, and the other end is connected to the chain joint (33) on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322883600.4U CN220850609U (en) | 2023-10-25 | 2023-10-25 | Reciprocating movement chain adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322883600.4U CN220850609U (en) | 2023-10-25 | 2023-10-25 | Reciprocating movement chain adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850609U true CN220850609U (en) | 2024-04-26 |
Family
ID=90782507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322883600.4U Active CN220850609U (en) | 2023-10-25 | 2023-10-25 | Reciprocating movement chain adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850609U (en) |
-
2023
- 2023-10-25 CN CN202322883600.4U patent/CN220850609U/en active Active
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