CN216618413U - Roller chain and transmission device - Google Patents
Roller chain and transmission device Download PDFInfo
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- CN216618413U CN216618413U CN202122808523.7U CN202122808523U CN216618413U CN 216618413 U CN216618413 U CN 216618413U CN 202122808523 U CN202122808523 U CN 202122808523U CN 216618413 U CN216618413 U CN 216618413U
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Abstract
The utility model discloses a roller chain, which comprises a plurality of chain links which are sequentially connected, wherein each chain link comprises two inner chain plates which are oppositely arranged, and a plurality of outer chain plates, two inner chain plates which are positioned on the same side in any two adjacent chain links are respectively and rotationally connected with the same outer chain plate, one surfaces of any two adjacent outer chain plates which are close to each other are attached, at least one end of two opposite ends of one surface of any one outer chain plate which is close to the other outer chain plate which is adjacent to the outer chain plate is provided with a fillet, and the fillets on one surfaces of any two adjacent outer chain plates which are close to each other are mutually abutted. The transmission device comprises the roller chain. The transmission device provided by the utility model can convert the rotating torque output by the driving device into the jacking force to enable the lifting platform to be lifted under the pushing of the outer chain plate, and can also realize the force transmission through pulling, so that the universality is good, the use requirements in various occasions are met, and the structure is simple and the cost is low.
Description
Technical Field
The utility model relates to the technical field of transmission chains, in particular to a roller chain and a transmission device with the same.
Background
At present, a roller chain commonly used in various industries completes force transmission through drawing, force output by a driving device cannot be directly and effectively converted into jacking force to realize lifting of devices such as stages, at the moment, a rigid chain is needed to realize force conversion, and the rigid chain is complex in structure, high in cost and inconvenient to popularize.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided are a roller chain having good versatility and a transmission device having the roller chain.
In order to solve the technical problems, the utility model adopts the technical scheme that: a roller chain comprises a plurality of chain links which are sequentially connected, each chain link comprises two inner chain plates which are oppositely arranged and a plurality of outer chain plates, two inner chain plates which are positioned on the same side in any two adjacent chain links are respectively and rotatably connected with the same outer chain plate, one surfaces of any two adjacent outer chain plates which are close to each other are attached, at least one end of two opposite ends of one surface of any one outer chain plate which is close to the other outer chain plate which is adjacent to the outer chain plate is provided with a fillet, and the fillets on the surfaces of any two adjacent outer chain plates which are close to each other are mutually abutted.
Furthermore, the chain link also comprises a first pin shaft, one end of the two opposite ends of the first pin shaft penetrates through one of the two inner chain plates which are oppositely arranged and is matched with one of the outer chain plates close to the inner chain plate, and the other end of the first pin shaft penetrates through the other inner chain plate and is matched with one of the outer chain plates close to the inner chain plate.
Furthermore, each chain link comprises two first pin shafts, the two first pin shafts are respectively arranged close to the two opposite ends of the same inner chain plate, and the two first pin shafts penetrate through the same end of the inner chain plate and are in one-to-one corresponding rotary connection with the two outer chain plates.
Furthermore, the chain link further comprises a sleeve sleeved on the first pin shaft, one end of the two opposite ends of the sleeve abuts against one of the two inner chain plates which are oppositely arranged, and the other end of the sleeve abuts against the other inner chain plate.
Further, still the cover is equipped with first roller on the sleeve, first roller with the sleeve is rotated and is connected.
Furthermore, the center of any one of the round corners is located on the central axis of the first pin shaft close to the round corner.
Furthermore, the chain plate fixing device further comprises a second pin shaft, one end of two opposite ends of the second pin shaft is matched with one of the two aligned outer chain plates, and the other end of the second pin shaft is matched with the other outer chain plate.
Furthermore, the device also comprises a second roller which is sleeved on the second pin shaft, and the second roller is rotationally connected with the second pin shaft.
Furthermore, two second pin shafts are arranged between the two aligned outer chain plates and are respectively close to the two opposite ends of the outer chain plates.
The transmission device comprises the roller chain.
The utility model has the beneficial effects that: the roller chain adopted by the transmission device provided by the utility model is provided with the plurality of outer chain plates, one surfaces of two adjacent outer chain plates, which are close to each other, are attached to each other, so that the outer chain plates are mutually abutted to each other when the roller chain moves along the linear direction to realize force transmission, the surfaces of two adjacent outer chain plates, which are close to each other, are also respectively provided with the round corners, when part of the roller chain moves along the circumferential direction, the round corners of two adjacent outer chain plates are mutually abutted to each other to realize force transmission, further, the roller chain can convert the rotating torque output by the driving device into the pushing force to ensure that the lifting platform is lifted under the pushing of the outer chain plates, and the force transmission can also be realized through pulling, so that the universality is good, the use requirements on various occasions are met, the structure is simple, and the cost is low.
Drawings
FIG. 1 is a schematic view of a partial structure of a roller chain according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of another portion of the roller chain according to the first embodiment of the present invention;
FIG. 3 is a front view showing a partial structure of a roller chain according to a first embodiment of the present invention;
FIG. 4 is an exploded view of a partial structure of a roller chain according to a first embodiment of the present invention;
FIG. 5 is a sectional view showing a partial structure of a roller chain according to a first embodiment of the present invention;
FIG. 6 is a schematic view showing a partial structure of a roller chain according to a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a transmission according to a third embodiment of the present invention;
FIG. 8 is a schematic structural view of a transmission according to a fourth embodiment of the present invention;
fig. 9 is a schematic structural diagram of a transmission device according to a fifth embodiment of the present invention.
Description of reference numerals:
1. a roller chain; 2. a chain link; 21. an inner link plate; 22. a first pin shaft; 23. a sleeve; 24. a first roller; 3. an outer link plate; 31. round corners; 4. a second pin shaft; 5. a second roller; 6. a sprocket; 7. a lifting platform.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 9, a roller chain 1 includes a plurality of chain links 2 connected in sequence, each of the chain links 2 includes two inner link plates 21 disposed oppositely, and further includes a plurality of outer link plates 3, two inner link plates 21 located on the same side in any two adjacent chain links 2 are rotatably connected to the same outer link plate 3, one face of any two adjacent outer link plates 3 close to each other is attached, at least one of opposite ends of one face of any one of the outer link plates 3 close to another outer link plate 3 adjacent to the outer link plate 3 has a fillet 31, and the fillets 31 on one face of any two adjacent outer link plates 3 close to each other are abutted against each other.
From the above description, the beneficial effects of the present invention are: the transmission device provided by the utility model can convert the rotating torque output by the driving device into the jacking force to enable the lifting platform 7 to be lifted under the pushing of the outer chain plate 3, and can also realize the force transmission through pulling, so that the universality is good, the use requirements in various occasions are met, and the transmission device is simple in structure and low in cost.
Further, the chain link 2 further includes a first pin 22, one end of the two opposite ends of the first pin 22 penetrates through one of the two inner link plates 21 that are oppositely disposed and is matched with one of the outer link plates 3 that are close to the inner link plates 21, and the other end of the first pin 22 penetrates through the other inner link plate 21 and is matched with one of the outer link plates 3 that are close to the inner link plates 21.
Furthermore, each chain link 2 includes two first round pin axles 22, two first round pin axles 22 are close to same respectively the relative both ends of inner chain plate 21 set up, and two first round pin axles 22 run through same one end of inner chain plate 21 and two outer chain plate 3 one-to-one rotation connection.
As can be seen from the above description, the two first pins 22 are provided on each link 2 to connect the two inner link plates 21 disposed oppositely and connect the inner link plates 21 and the outer link plates 3, so that the roller chain 1 is easy to assemble and the structural stability of the roller chain 1 is improved.
Further, the chain link 2 further includes a sleeve 23 sleeved on the first pin 22, one of two opposite ends of the sleeve 23 abuts against one of the two inner link plates 21 arranged oppositely, and the other end abuts against the other inner link plate 21.
As is apparent from the above description, the sleeve 23 is provided on the first pin 22 to further improve the structural strength of the roller chain 1.
Further, a first roller 24 is further sleeved on the sleeve 23, and the first roller 24 is rotatably connected with the sleeve 23.
As can be seen from the above description, the rotatable first roller 24 is sleeved on the sleeve 23, and the first roller 24 can be matched with a transmission member such as the chain wheel 6, etc. to facilitate the installation of the roller chain 1.
Further, the center of any one of the round corners 31 is located on the central axis of the first pin 22 close to the round corner 31.
As can be seen from the above description, the circle center of the fillet 31 is disposed on the central axis of the first pin 22, so that the fillets 31 of two adjacent outer link plates 3 are kept abutting against each other during the rotation process, and the abnormal transmission of the force output by the driving device due to the gap generated between the two adjacent outer link plates 3 is prevented.
Furthermore, the chain plate structure further comprises a second pin shaft 4, one end of two opposite ends of the second pin shaft 4 is matched with one of the two aligned outer chain plates 3, and the other end of the second pin shaft is matched with the other outer chain plate 3.
Furthermore, the device also comprises a second roller 5 sleeved on the second pin shaft 4, wherein the second roller 5 is rotatably connected with the second pin shaft 4.
As can be seen from the above description, the second pin 4 is sleeved with the second roller 5, and the second roller 5 is rotatable relative to the second pin 4, so that the roller chain 1 can be conveniently installed by matching the second roller 5 with transmission members such as the sprocket 6.
Furthermore, two second pin shafts 4 are arranged between the two aligned outer chain plates 3, and the two second pin shafts 4 are respectively arranged close to the two opposite ends of the outer chain plates 3.
As can be seen from the above description, the two second pin shafts 4 are disposed between the two aligned outer link plates 3 to connect the two outer link plates 3, so that the connection between the outer link plates 3 is more stable, and the structural strength of the roller chain 1 is further improved.
A transmission device comprises the roller chain 1.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: a roller chain 1 can be applied to various transmission devices and is used for transmitting torque output by a driving device.
As shown in fig. 1, 2 and 3, the roller chain 1 comprises a plurality of chain links 2, the chain links 2 are arranged in a row on the roller chain 1, each chain link 2 comprises two inner link plates 21, two inner link plates 21 of the same chain link 2 are oppositely arranged, the roller chain 1 further comprises a plurality of outer link plates 3, two inner link plates 21 on the same side in any two adjacent chain links 2 are respectively rotatably connected with the same outer link plate 3, namely, the outer link plates 3 are also arranged in two rows on the roller chain 1, and the chain links 2 are arranged between two rows of the outer link plates 3.
Specifically, the surfaces, close to each other, of any two adjacent outer link plates 3 in the same row are attached, the outer link plates 3 abut against each other to realize force transmission in the process that the roller chain 1 moves in the linear direction, one end, close to one surface of another outer link plate 3 adjacent to the outer link plate 3, of any one of the two opposite ends of any one of the two outer link plates 3 has a fillet 31, the fillets 31 on the two adjacent outer link plates 3 abut against each other, when the roller chain 1 moves in the circumferential direction, a part of the inner link plates 21 and a part of the outer link plates 3 rotate at a certain angle, and at this time, the fillets 31 of the two adjacent inner link plates 21 abut against each other to realize force transmission. That is, the roller chain 1 can convert the rotational moment output from the driving device into the pushing force by the interaction of the outer link plates 3 to realize the lifting of the equipment such as the stage, and can transmit the force by the movement of the inner link plates 21 and the outer link plates 3 to pull, so that the roller has good versatility.
Referring to fig. 2, 4 and 5, each of the chain links 2 further includes two first pin shafts 22, one of the two opposite ends of each first pin shaft 22 passes through one of the inner link plates 21 of the chain link 2, the other end passes through the other inner link plate 21, the inner link plate 21 is rotatable on the first pin shaft 22, the two opposite ends of each first pin shaft 22 are respectively in interference fit with two of the outer link plates 3 rotatably connected to the chain link 2, the two first pin shafts 22 are respectively disposed near the two opposite ends of the chain link 2, and the two first pin shafts 22 on the same chain link 2 are respectively in interference fit with four different outer link plates 3, so as to fix the relative positions of the four outer link plates 3 and the chain link 2, and drive the adjacent outer link plates 3 to rotate relatively through the relative rotation between the adjacent chain links 2, the roller chain 1 is made easy to assemble.
In detail, the first pin 22 is further respectively sleeved with a sleeve 23, the sleeve 23 is located between the two inner chain plates 21 which are oppositely arranged, one end of the two opposite ends of the sleeve 23 abuts against one of the inner chain plates 21, and the other end of the sleeve 23 abuts against the other inner chain plate 21 to be tightly connected with the two opposite inner chain plates 21, so that the structural strength of the chain link 2 is improved while the overall structure of the chain link 2 is stable, and the chain link 2 is prevented from being broken in the operation process of the roller chain 1.
As shown in fig. 3, in the present embodiment, the center of any one of the fillets 31 is located on the central axis of the first pin 22 close to the fillet 31, so that the fillets 31 of two adjacent outer link plates 3 are kept against each other during rotation, thereby preventing a gap between two adjacent outer link plates 3 from causing abnormal transmission of the force output by the driving device, and the corresponding center angle of the fillet 31 is 90 ° to limit the angle at which two adjacent outer link plates 3 can rotate relative to each other, thereby preventing the roller chain 1 from being loosened.
As shown in fig. 5, the outer peripheral wall of the sleeve 23 is further sleeved with a first roller 24, the first roller 24 is in clearance fit with the sleeve 23 so that the first roller 24 can rotate relative to the sleeve 23, and a transmission member such as a sprocket can be meshed with the first roller 24 when the roller chain 1 is installed, so that the roller chain 1 is driven by a driving device to operate, and the roller chain 1 is convenient to install.
Referring to fig. 4 and 5, two second pin shafts 4 are further disposed between the two outer link plates 3 which are disposed oppositely, the two second pin shafts 4 are respectively close to the two outer link plates, one end of each of two opposite ends of one of the second pin shafts 4 is in interference fit with one of the outer link plates 3, and the other end of each of the two opposite ends of the one of the second pin shafts 4 is in interference fit with the other one of the outer link plates 3, so as to further improve the structural stability of the roller chain 1 and ensure the stable operation of the roller chain 1.
Preferably, the second pins 4 are respectively sleeved with second rollers 5, the second rollers 5 are in clearance fit with the second pins 4 so that the second rollers 5 can rotate relative to the second pins 4, and the first rollers 24 and the second rollers 5 can be respectively meshed with different transmission members, so that the roller chain 1 can be installed while the roller chain 1 is effectively prevented from falling off the transmission members, resistance caused by unexpected deflection when the roller chain 1 operates is avoided, and the transmission efficiency of the roller chain 1 is improved.
Example two
Referring to fig. 6, the second embodiment of the present invention provides another technical solution for the structure of the chain link 2 on the basis of the first embodiment, and the difference from the first embodiment is only the difference in the structure of the chain link 2.
As shown in fig. 6, in the present embodiment, the chain links 2 are arranged in two or more rows on the roller chain 1, the inner link plates in the chain links 2 are aligned one by one, the surfaces of any two adjacent rows of the chain links 2 away from each other are respectively provided with an outer link plate 3, one row of the outer link plates 3 can be arranged between two adjacent rows of the chain links 2 to respectively cooperate with two rows of the chain links 2, or one row of the outer link plates 3 can be arranged on the surfaces of two adjacent rows of the chain links 2 and fixedly connect the outer link plates 3 on the surfaces close to each other, so as to improve the structural strength of the roller chain 1 and meet the use requirements under different conditions.
EXAMPLE III
Referring to fig. 7, a third embodiment of the present invention is: a transmission device includes the roller chain 1 according to the first embodiment or the second embodiment.
As shown in fig. 7, the transmission device further includes a lifting platform 7 and a plurality of chain wheels 6, the chain wheels 6 are respectively engaged with the roller chains 1, and a portion of the roller chains 1 close to the lifting platform 7 moves in a vertical direction, so that the roller chains 1 can move in the direction shown in fig. 7 and drive the lifting platform 7 to ascend or descend in the vertical direction by driving one of the chain wheels 6 to rotate through a driving device.
Example four
Referring to fig. 8, a fourth embodiment of the present invention is: a transmission device includes the roller chain 1 according to the first embodiment or the second embodiment.
As shown in fig. 8, the transmission device further includes a lifting platform 7 and a plurality of chain wheels 6, the chain wheels 6 are respectively engaged with the roller chains 1, and the portions of the roller chains 1 near the lifting are moved along an inclined direction having an acute angle with the vertical direction, so that the roller chains 1 can be moved along the direction shown in fig. 8 and the lifting platform 7 can be driven to ascend or descend along the inclined direction by driving one of the chain wheels 6 to rotate by a driving device.
EXAMPLE five
Referring to fig. 9, a fifth embodiment of the present invention is: a transmission device includes the roller chain 1 according to the first embodiment or the second embodiment.
As shown in fig. 9, the transmission device further includes a plurality of chain wheels 6, the chain wheels 6 are respectively engaged with the roller chains 1, the roller chains 1 are connected end to form a ring, and the roller chain 1 can move in the direction shown in fig. 9 by driving one of the chain wheels 6 to rotate through a driving device, and drives the other chain wheels 6 to rotate, so as to realize the force transmission. And when the roller chain 1 acts along the horizontal direction, the outer chain plates mutually abut against each other to limit the relative rotation between the inner chain plates, so that the roller chain 1 is prevented from falling under the influence of gravity when acting along the horizontal direction, the stable operation of the roller chain 1 is ensured, and the transmission efficiency of the roller chain 1 is improved.
In summary, the roller chain used in the transmission device provided by the utility model comprises chain links and outer chain plates arranged outside the chain links, wherein the outer chain plates positioned on the same side of the chain links are arranged in a row, the surfaces of any two adjacent outer chain plates in the same row close to each other are attached, the outer chain plates mutually abut to realize force transmission in the process that the roller chain moves along a straight line, round corners are respectively arranged on the surfaces of the outer chain plates close to each other, the round corners of the two adjacent outer chain plates mutually abut to realize force transmission when the roller chain moves along the circumferential direction, further, the rotating torque output by the driving device can be converted into pushing force to push the lifting table to move along the vertical direction or the inclined direction through the interaction of the outer chain plates, the force can be transmitted through the movement of the chain links and the outer chain plates, the universality is good, the transmission device can meet the use requirements under different conditions, and the roller chain has high overall strength, Simple structure has effectively prolonged transmission's life.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A roller chain comprises a plurality of chain links which are connected in sequence, each chain link comprises two inner chain plates which are arranged oppositely, and the roller chain is characterized in that: the chain link is characterized by further comprising a plurality of outer chain plates, wherein any two adjacent chain links are provided with two inner chain plates which are positioned on the same side and are rotatably connected with the same outer chain plates respectively, one surfaces of the two adjacent outer chain plates which are close to each other are attached, at least one end of each outer chain plate which is close to the other end of the outer chain plate which is adjacent to the other end of the outer chain plate opposite to one surface is provided with a fillet, and the fillets of the two adjacent outer chain plates which are close to each other are abutted against each other.
2. The roller chain of claim 1, wherein: the chain link further comprises a first pin shaft, one end of the two opposite ends of the first pin shaft penetrates through one of the two inner chain plates which are oppositely arranged and is matched with one of the outer chain plates close to the inner chain plate, and the other end of the first pin shaft penetrates through the other inner chain plate and is matched with one of the outer chain plates close to the inner chain plate.
3. The roller chain of claim 2, wherein: each chain link comprises two first pin shafts, the two first pin shafts are respectively arranged close to the two opposite ends of the same inner chain plate, and the two first pin shafts penetrate through the end of the same inner chain plate and are in one-to-one corresponding rotary connection with the two outer chain plates.
4. The roller chain of claim 2, wherein: the chain link further comprises a sleeve sleeved on the first pin shaft, one end of each of two opposite ends of the sleeve abuts against one of the two inner chain plates which are oppositely arranged, and the other end of each of the two opposite ends of the sleeve abuts against the other inner chain plate.
5. The roller chain of claim 4, wherein: still the cover is equipped with first roller on the sleeve, first roller with the sleeve is rotated and is connected.
6. The roller chain of claim 2, wherein: the circle center of any one of the round corners is positioned on the central shaft of the first pin shaft close to the round corner.
7. The roller chain of claim 1, wherein: the chain plate connecting structure further comprises a second pin shaft, one end of each of two opposite ends of the second pin shaft is matched with one of the two outer chain plates which are aligned, and the other end of each of the two opposite ends of the second pin shaft is matched with the other outer chain plate.
8. The roller chain of claim 7, wherein: the first roller is sleeved on the first pin shaft and is rotatably connected with the first pin shaft.
9. The roller chain of claim 7, wherein: two second pin shafts are arranged between the two aligned outer chain plates and are respectively close to the two opposite ends of the outer chain plates.
10. Transmission, its characterized in that: comprising the roller chain of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808523.7U CN216618413U (en) | 2021-11-16 | 2021-11-16 | Roller chain and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808523.7U CN216618413U (en) | 2021-11-16 | 2021-11-16 | Roller chain and transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618413U true CN216618413U (en) | 2022-05-27 |
Family
ID=81697879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122808523.7U Active CN216618413U (en) | 2021-11-16 | 2021-11-16 | Roller chain and transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618413U (en) |
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2021
- 2021-11-16 CN CN202122808523.7U patent/CN216618413U/en active Active
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