CN221237120U - Synchronous transmission device - Google Patents
Synchronous transmission device Download PDFInfo
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- CN221237120U CN221237120U CN202323315643.9U CN202323315643U CN221237120U CN 221237120 U CN221237120 U CN 221237120U CN 202323315643 U CN202323315643 U CN 202323315643U CN 221237120 U CN221237120 U CN 221237120U
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- synchronous transmission
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- driven
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 165
- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a synchronous transmission device, which comprises: the automatic synchronous transmission device comprises a driving shaft seat and a driven shaft seat, wherein a driving shaft is arranged on the driving shaft seat, a driven shaft parallel to the driving shaft is arranged on the driven shaft seat, a driving synchronous transmission belt wheel is arranged on the driving shaft, at least two driven synchronous transmission belt wheels matched with the driving synchronous transmission belt wheels are arranged on the driven shaft, synchronous transmission belts are arranged between the driving synchronous transmission belt wheels and each driven synchronous transmission belt wheel, closed-loop limit guide grooves are formed in the inner side of each synchronous transmission belt along the length direction, the closed-loop limit guide grooves correspond to the closed-loop limit guide grooves, and annular positioning bosses which correspond to the limit guide grooves on the corresponding synchronous transmission belts one by one are respectively arranged on the driving synchronous transmission belt wheels and the driven synchronous transmission belt wheels. The synchronous transmission device can be used in various conveying devices.
Description
Technical Field
The utility model relates to a transmission device, in particular to a synchronous transmission device.
Background
Currently, conventional synchronous transmissions generally comprise the following structure: the driving shaft seat and the driven shaft seat are movably provided with a driving shaft, the driven shaft seat is movably provided with a driven shaft parallel to the driving shaft, the driving shaft is provided with a driving synchronous driving belt wheel, the driven shaft is provided with at least two driven synchronous driving belt wheels matched with the driving synchronous driving belt wheels, a synchronous driving belt is arranged between the driving synchronous driving belt wheels and each driven synchronous driving belt wheel, the inner side of the synchronous driving belt is provided with a plurality of mutually connected driving teeth along the length direction of the synchronous driving belt wheels, and a plurality of driving teeth matched with the driving teeth of the synchronous driving belt are respectively arranged on the driving synchronous driving belt wheels and the driven synchronous driving belt wheels along the circumferential direction of the driving synchronous driving belt wheels. In the actual use process, the synchronous driving belt wheel and the driven synchronous driving belt wheel can deviate in position, so that the normal operation of the synchronous driving belt is affected.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: a synchronous drive is provided in which a synchronous belt does not shift during operation.
In order to solve the technical problems, the utility model adopts a technical scheme that: a synchronous transmission, comprising: the driving shaft seat and the driven shaft seat are movably provided with a driving shaft, the driven shaft seat is movably provided with a driven shaft parallel to the driving shaft, the driving shaft is provided with a driving synchronous driving belt pulley, the driven shaft is provided with at least two driven synchronous driving belt pulleys matched with the driving synchronous driving belt pulleys, a synchronous driving belt is arranged between the driving synchronous driving belt pulley and each driven synchronous driving belt pulley, the inner side of the synchronous driving belt is provided with a plurality of mutually connected driving teeth along the length direction of the synchronous driving belt pulley, the driving synchronous driving belt pulley and the driven synchronous driving belt pulley are respectively provided with a plurality of driving teeth matched with the driving teeth of the synchronous driving belt along the circumferential direction, and the inner side of the synchronous driving belt is provided with a closed-loop limit guide groove along the length direction, and the limit guide groove divides the driving teeth on the inner side of the synchronous driving belt into two parts; correspondingly, the driving synchronous driving belt wheel is provided with annular positioning bosses which are in one-to-one correspondence with the limiting guide grooves on the corresponding synchronous driving belt, and the driven synchronous driving belt wheel is provided with annular positioning bosses which are in one-to-one correspondence with the limiting guide grooves on the corresponding synchronous driving belt.
As a preferable solution, in the synchronous transmission device, the specific arrangement mode of the annular positioning boss is as follows: annular grooves corresponding to the limiting guide grooves on the corresponding synchronous transmission belt are formed in the driving synchronous transmission belt wheel and the driven synchronous transmission belt wheel, and positioning rings are arranged in the annular grooves.
In one preferred embodiment, in the synchronous drive, the outer surfaces of all the positioning rings extend beyond the end faces of the drive teeth of the respective driving synchronous pulley or driven synchronous pulley.
In one preferred embodiment, in the synchronous drive, arcuate engagement grooves are provided between adjacent drive teeth.
In one preferred embodiment, in the synchronous transmission device, arc-shaped chamfers are arranged on both sides of the top ends of all the transmission teeth.
In order to solve the technical problems, the utility model adopts another technical scheme that: a synchronous transmission, comprising: the driving shaft seat and the driven shaft seat are movably provided with a driving shaft, the driven shaft seat is movably provided with a driven shaft parallel to the driving shaft, the driving shaft is provided with a driving synchronous driving belt wheel, the driven shaft is provided with at least two driven synchronous driving belt wheels matched with the driving synchronous driving belt wheels, a synchronous driving belt is arranged between the driving synchronous driving belt wheels and each driven synchronous driving belt wheel, the inner side of the synchronous driving belt is provided with a plurality of mutually connected driving teeth along the length direction of the synchronous driving belt wheels, the driving synchronous driving belt wheels and the driven synchronous driving belt wheels are respectively provided with a plurality of driving teeth matched with the driving teeth of the synchronous driving belt along the circumferential direction, and the inner side of the synchronous driving belt is provided with a closed-loop limit guide boss along the length direction, and the limit guide boss divides the driving teeth on the inner side of the synchronous driving belt into two parts; correspondingly, the driving synchronous driving belt wheel is provided with annular positioning grooves corresponding to the limiting guide bosses on the corresponding synchronous driving belt one by one, and the driven synchronous driving belt wheel is provided with annular positioning grooves corresponding to the limiting guide bosses on the corresponding synchronous driving belt one by one.
In one preferred embodiment, in the synchronous drive device, the end face of the limit guide boss of the synchronous drive belt exceeds the end face of the top end of the drive tooth.
In one preferred embodiment, in the synchronous drive, arcuate engagement grooves are provided between adjacent drive teeth.
In one preferred embodiment, in the synchronous transmission device, arc-shaped chamfers are arranged on both sides of the top ends of all the transmission teeth.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the closed-loop limit guide groove or limit guide boss is arranged on the inner side of the synchronous transmission belt, and the annular positioning boss or annular positioning groove corresponding to the limit guide groove or limit guide boss on the synchronous transmission belt is arranged on the driving synchronous transmission belt pulley and the driven synchronous transmission belt pulley, so that the synchronous transmission belt is ensured not to deviate in the running process, and the normal work of the synchronous transmission belt is ensured.
2. According to the utility model, the annular grooves are formed on the driving synchronous driving belt wheel and the driven synchronous driving belt wheel, and the positioning rings are arranged in the annular grooves to form the annular positioning boss, so that the annular positioning boss has a very simple structure and is very convenient to install.
3. According to the utility model, the driving synchronous pulley, the driven synchronous pulley and the transmission teeth of the synchronous transmission belt are all arranged into a trapezoid structure with narrow top and wide bottom, and the two sides of the top end of the transmission teeth are both arranged into arc-shaped chamfer structures, so that the synchronous transmission belt is more smoothly meshed with the transmission teeth on the driving synchronous pulley and the driven synchronous pulley.
Drawings
Fig. 1 is a perspective view of one embodiment of a synchronous drive according to the present utility model.
Fig. 2 is a schematic view of a partial explosion configuration of the embodiment shown in fig. 1.
Fig. 3 is an enlarged schematic view of the portion B in fig. 2.
Fig. 4 is a perspective view of another embodiment of the synchronous drive of the present utility model.
Fig. 5 is a schematic view of a partial explosion configuration of the embodiment shown in fig. 4.
The reference numerals in fig. 1 to 5 are respectively: 1. a driving shaft seat, 2, a driven shaft seat, 3, a driving synchronous driving belt wheel, 30, a driving shaft, 31, driving teeth, 32, a positioning ring, 33, an annular positioning groove, 4, a driven synchronous driving belt wheel, 41 and driving teeth, 42, a locating ring, 43, an annular locating groove, 5, a synchronous driving belt, 51, a driving tooth, 511, an arc chamfer, 512, an arc engagement groove, 52, a limit guide groove, 53 and a limit guide boss.
Detailed Description
A specific embodiment of a synchronous drive according to the present utility model is described in detail below with reference to the accompanying drawings.
Example 1:
As shown in fig. 1 and 2, a synchronous transmission device according to the present utility model includes: the driving shaft seat 1 and the driven shaft seat 2 are movably provided with a driving shaft 30, the driven shaft seat 2 is movably provided with a driven shaft (which belongs to the conventional technology in the field and is not described in the development), the driving shaft 30 is provided with a driving synchronous driving pulley 3, the driven shaft is provided with three driven synchronous driving pulleys 4 matched with the driving synchronous driving pulleys 3, a synchronous driving belt 5 is arranged between the driving synchronous driving pulleys 3 and each driven synchronous driving pulley 4, the inner side of the synchronous driving belt 5 is provided with a plurality of mutually-connected driving teeth 51 along the length direction of the synchronous driving pulley 3, the driving synchronous driving pulleys 3 are circumferentially provided with a plurality of driving teeth 31 matched with the driving teeth 51 on the synchronous driving belt 5, the driven synchronous driving pulleys 4 are circumferentially provided with a plurality of driving teeth 41 matched with the driving teeth 51 on the synchronous driving belt 5, the synchronous driving belt 5 is provided with a limit guide groove 52 arranged in the middle part of the inner side of the synchronous driving belt 5 along the length direction of the synchronous driving belt 5, and the limit guide groove 52 divides the synchronous driving belt 5 into two closed loops of driving teeth 51; correspondingly, the driving synchronous driving belt wheel 3 is provided with positioning rings 32 which are corresponding to the limit guide grooves 52 on the corresponding synchronous driving belt 5 one by one and serve as annular positioning bosses, and the outer surface of each positioning ring 32 exceeds the top end surface of the driving teeth 31 of the driving synchronous driving belt wheel 3; the driven synchronous driving belt wheel 4 is provided with positioning rings 42 which are corresponding to the limit guide grooves 52 on the corresponding synchronous driving belt 5 one by one and serve as annular positioning bosses, and the outer surface of each positioning ring 42 exceeds the top end face of the driving teeth 41 of the driven synchronous driving belt wheel 4. In this embodiment, the tooth shapes of the driving tooth 31 of the driving synchronous pulley 3, the tooth 41 of the driven synchronous pulley 4 and the tooth 51 of the synchronous belt 5 are the same, taking the tooth 51 of the synchronous belt 5 as an example, as shown in fig. 3, the tooth 51 is in a trapezoid structure with a narrow top and a wide bottom, arc chamfer angles 511 are arranged on two sides of the top end of the tooth 51, and arc engagement grooves 512 are arranged between every two adjacent teeth 51.
In practical application, the positioning ring 32 may be arranged by forming an annular groove corresponding to the limit guide groove 52 on the corresponding synchronous driving belt 5 on the driving synchronous driving belt 3, and clamping the positioning ring 32 in the corresponding annular groove on the driving synchronous driving belt 3 (the positioning ring 32 is of a huff structure or an elastic steel ring, etc. and belongs to the conventional technology in the art, and will not be described here); in addition, the positioning ring 42 may be disposed in the same manner as the positioning ring 32, which is not described herein.
Example 2:
as shown in fig. 4 and 5, the structure of the other synchronous transmission device according to the present utility model is the same as that of embodiment 1 except that the closed-loop limit guide groove 52 inside the synchronous transmission belt 5 is replaced with a closed-loop limit guide boss 53, and correspondingly, the positioning ring 32 of the driving synchronous transmission pulley 3 is replaced with an annular positioning groove 33, and the positioning ring 42 of the driven synchronous transmission pulley 4 is replaced with an annular positioning groove 43, which are not described herein.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (9)
1. A synchronous drive comprising: the automatic transmission device is characterized in that a closed-loop limit guide groove is formed in the inner side of the synchronous transmission belt along the length direction of the synchronous transmission belt, and the limit guide groove divides the transmission teeth on the inner side of the synchronous transmission belt into two; correspondingly, the driving synchronous driving belt wheel is provided with annular positioning bosses which are in one-to-one correspondence with the limiting guide grooves on the corresponding synchronous driving belt, and the driven synchronous driving belt wheel is provided with annular positioning bosses which are in one-to-one correspondence with the limiting guide grooves on the corresponding synchronous driving belt.
2. The synchronous transmission device according to claim 1, wherein the annular positioning boss is specifically provided in the following manner: annular grooves corresponding to the limiting guide grooves on the corresponding synchronous transmission belt are formed in the driving synchronous transmission belt wheel and the driven synchronous transmission belt wheel, and positioning rings are arranged in the annular grooves.
3. A synchronous drive as claimed in claim 2, wherein the outer surfaces of all the positioning rings extend beyond the top end face of the drive teeth of the respective driving or driven synchronous drive pulley.
4. A synchronous drive as claimed in claim 1, 2 or 3, wherein arcuate engagement grooves are provided between adjacent drive teeth.
5. A synchronous drive as claimed in claim 4, wherein the drive teeth are provided with arcuate chamfers on both sides of their tips.
6. A synchronous drive comprising: the automatic transmission device is characterized in that a closed-loop limit guide boss is arranged on the inner side of the synchronous transmission belt along the length direction of the synchronous transmission belt, and the limit guide boss divides the transmission teeth on the inner side of the synchronous transmission belt into two; correspondingly, the driving synchronous driving belt wheel is provided with annular positioning grooves corresponding to the limiting guide bosses on the corresponding synchronous driving belt one by one, and the driven synchronous driving belt wheel is provided with annular positioning grooves corresponding to the limiting guide bosses on the corresponding synchronous driving belt one by one.
7. A synchronous drive as defined in claim 5 wherein the end face of the limit guide boss of the synchronous drive belt extends beyond the end face of the top end of the drive tooth.
8. A synchronous drive as claimed in claim 6 or claim 7 wherein arcuate engagement grooves are provided between adjacent drive teeth.
9. A synchronous drive as claimed in claim 8, wherein the drive teeth are provided with arcuate chamfers on both sides of their tips.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221237120U true CN221237120U (en) | 2024-06-28 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |