CN212657225U - Speed reducer of windscreen wiper - Google Patents
Speed reducer of windscreen wiper Download PDFInfo
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- CN212657225U CN212657225U CN202021110080.3U CN202021110080U CN212657225U CN 212657225 U CN212657225 U CN 212657225U CN 202021110080 U CN202021110080 U CN 202021110080U CN 212657225 U CN212657225 U CN 212657225U
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- worm wheel
- rotating shaft
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- pivot
- transmission worm
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Abstract
The utility model discloses a speed reducer of wiper, including casing, transmission worm wheel, supporting worm wheel and drive worm, be equipped with in the casing and supply the first pivot of transmission worm wheel complex, be equipped with in the casing and supply supporting worm wheel complex second pivot, first pivot and second pivot setting are at the both ends of a rotating plate, and the rotation adjustment through the rotating plate makes first pivot and second pivot respectively and drive worm between the interval adjustable. The interval between the first rotating shaft and the transmission worm and the interval between the second rotating shaft and the transmission worm are simultaneously increased or reduced through the rotation adjustment of the rotating plate, so that the influence caused by the size change of the supporting worm wheel and the transmission worm wheel in the production process is reduced, the assembly quality is effectively improved, the meshing fit of the transmission worm wheel, the supporting worm wheel and the transmission worm wheel is more compact and reasonable, and the transmission is smoother.
Description
Technical Field
The utility model relates to an automobile part, concretely relates to speed reducer of wiper.
Background
The wiper of the automobile is an indispensable accessory of the automobile, and the purpose of the wiper motor is to mount and drive the wiper of the automobile. The wiper motor on the existing market comprises a motor part and a speed reducer part, wherein the speed reducer part comprises a speed reducer and a transmission worm gear and a transmission worm which are arranged in the speed reducer and are meshed with each other, and the transmission worm is connected with an output shaft of the motor part.
The patent of Chinese patent publication No. CN 204992909U discloses a wiper motor, the structure of which comprises a motor component and a speed reducer component which are connected with each other, the speed reducer component comprises a reduction gearbox and a transmission worm wheel and a transmission worm which are arranged in the reduction gearbox and are meshed with each other, the right shaft end of the transmission worm is connected with the output shaft of the motor component, and the wiper motor is characterized in that: the left shaft end of the transmission worm is internally provided with a ball, the ball is partially exposed out of the left shaft end of the transmission worm and is abutted against the grinding block, the grinding block is fixedly arranged in a grinding block mounting hole formed in the side wall of a box body of the reduction box, the transmission worm wheel is arranged on the lower side of the transmission worm, a supporting worm wheel is arranged on the upper side of the transmission worm, and the supporting worm wheel and the transmission worm are meshed with each other. Thereby preventing the axial movement and the radial shaking of the transmission worm and ensuring the transmission stability.
In the assembly process of the structure, the supporting worm wheel is an injection molding part, the size of the supporting worm wheel is difficult to keep consistent due to thermal expansion and thermal shrinkage of plastics, particularly, the size of the outer diameter and the size of the tooth surface have large deviation, and meanwhile, the size of the conveying worm wheel is difficult to ensure the consistency of the conveying worm wheel in production, so that the supporting worm wheel and the transmission worm wheel are respectively meshed with the transmission worm, and the meshing fit is not too loose or too tight, so that the assembly quality is difficult to reach the qualified standard, the quality of the device is influenced, the rejection rate is increased, the reason can be die abrasion or size change caused by manual errors of workers, and the production is difficult to avoid.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a speed reducer of wiper that assembly quality is high.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a speed reducer of wiper, includes casing, transmission worm wheel, supporting worm wheel and drive worm, the casing in be equipped with the confession the first pivot of transmission worm wheel complex, be equipped with the confession in the casing the supporting worm wheel complex second pivot, first pivot with the second pivot sets up at the both ends of a rotating plate, and rotation adjustment through the rotating plate makes first pivot with the second pivot respectively with interval between the drive worm is adjustable.
The middle part of the rotating plate is hinged to the shell through a hinged shaft, the central axis of the hinged shaft corresponds to the central axis of the transmission worm, a screw rod is arranged on the rotating plate, an arc-shaped groove for the screw rod to penetrate through is formed in the shell, and the screw rod penetrates through the arc-shaped groove and is provided with a locking nut.
The two screw rods are respectively arranged on the opposite end surfaces of the first rotating shaft and the second rotating shaft, one of the screw rods corresponds to the first rotating shaft, and the other screw rod corresponds to the second rotating shaft.
The utility model discloses a this kind of structure, the rotation adjustment through the rotor plate make first pivot with the interval of drive worm and the interval of second pivot and drive worm increase simultaneously or reduce, just so reduced the influence that the change of size brought in production process supporting worm wheel and drive worm wheel has effectively improved the quality of assembly for the meshing cooperation of drive worm wheel, supporting worm wheel and drive worm wheel is compacter reasonable, makes the transmission more smooth and easy.
The invention is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a view showing the installation of a turning plate according to an embodiment of the present invention in FIG. 1;
fig. 3 is a view showing the installation of the turning plate according to the embodiment of the present invention in fig. 2.
Detailed Description
The present invention will be specifically described below by way of examples.
As shown in fig. 1-3, the embodiment discloses a speed reducer of a wiper, which includes a housing 1, a transmission worm wheel 2, a supporting worm wheel 3, and a transmission worm 4, wherein a first rotating shaft 5 for the transmission worm wheel 2 to cooperate is provided in the housing 1, a second rotating shaft 6 for the supporting worm wheel 3 to cooperate is provided in the housing 1, the first rotating shaft 5 and the second rotating shaft 6 are provided at two ends of a rotating plate 7, and the first rotating shaft 5 and the second rotating shaft 6 are respectively adjustable in interval with the transmission worm 4 by rotation adjustment of the rotating plate 7.
The middle part of the rotating plate 7 is hinged on the shell 1 through a hinged shaft 8, the central axis of the hinged shaft 8 corresponds to the central axis of the transmission worm 4, a screw rod 71 is arranged on the rotating plate 7, an arc-shaped groove 11 for the screw rod 71 to pass through is arranged on the shell 1, the arc-shaped groove 11 is arranged along the track of the screw rod 71, and the screw rod 71 passes through the arc-shaped groove 11 and is provided with a locking nut 9. The structure can ensure that the adjustment and the fixation of the rotating plate 7 are more convenient and reliable.
The screws 71 are two and are respectively provided on opposite end surfaces of the first rotating shaft 5 and the second rotating shaft 6, one of which corresponds to the first rotating shaft 5 and the other of which corresponds to the second rotating shaft 6. The structure can enable the stress of the first rotating shaft 5 and the second rotating shaft 6 to be more stable and reliable, and improve the stability of transmission, so that the whole structure is more reliable.
Adopt above-mentioned technical scheme, the adjustment of rotating through rotor plate 7 makes the interval of first pivot 5 and drive worm 4 and the interval of second pivot 6 and drive worm 4 increase simultaneously or dwindle, just so reduced the influence that the change of size brought in production of supporting worm wheel 3 and drive worm wheel 2 in the production process, the quality of assembly has effectively been improved, make drive worm wheel 2, the meshing cooperation of supporting worm wheel 3 and drive worm wheel 2 is compacter reasonable, make the transmission more smooth and easy, simultaneously reduced because of not good condemned supporting worm wheel 3 of cooperation and drive worm wheel 2, production cost has been reduced.
Claims (3)
1. The utility model provides a speed reducer of wiper, includes casing, transmission worm wheel, supporting worm wheel and drive worm, the casing in be equipped with the confession the first pivot of transmission worm wheel complex, be equipped with the confession in the casing supporting worm wheel complex second pivot, its characterized in that: the first rotating shaft and the second rotating shaft are arranged at two ends of a rotating plate, and the interval between the first rotating shaft and the transmission worm and the interval between the second rotating shaft and the transmission worm can be adjusted through the rotation adjustment of the rotating plate.
2. The speed reducer of wiper blades according to claim 1, characterized in that: the middle part of the rotating plate is hinged to the shell through a hinged shaft, the central axis of the hinged shaft corresponds to the central axis of the transmission worm, a screw rod is arranged on the rotating plate, an arc-shaped groove for the screw rod to penetrate through is formed in the shell, and the screw rod penetrates through the arc-shaped groove and is provided with a locking nut.
3. The speed reducer of wiper blades according to claim 2, characterized in that: the two screw rods are respectively arranged on the opposite end surfaces of the first rotating shaft and the second rotating shaft, one of the screw rods corresponds to the first rotating shaft, and the other screw rod corresponds to the second rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110080.3U CN212657225U (en) | 2020-06-16 | 2020-06-16 | Speed reducer of windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110080.3U CN212657225U (en) | 2020-06-16 | 2020-06-16 | Speed reducer of windscreen wiper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657225U true CN212657225U (en) | 2021-03-05 |
Family
ID=74754000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021110080.3U Active CN212657225U (en) | 2020-06-16 | 2020-06-16 | Speed reducer of windscreen wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212657225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742892A (en) * | 2023-05-15 | 2023-09-12 | 株洲桓基电气股份有限公司 | Wiper motor for high-speed rail motor train unit |
-
2020
- 2020-06-16 CN CN202021110080.3U patent/CN212657225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742892A (en) * | 2023-05-15 | 2023-09-12 | 株洲桓基电气股份有限公司 | Wiper motor for high-speed rail motor train unit |
| CN116742892B (en) * | 2023-05-15 | 2024-01-02 | 株洲桓基电气股份有限公司 | Wiper motor for high-speed rail motor train unit |
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