CN219948148U - Windscreen wiper motor - Google Patents
Windscreen wiper motor Download PDFInfo
- Publication number
- CN219948148U CN219948148U CN202321308667.9U CN202321308667U CN219948148U CN 219948148 U CN219948148 U CN 219948148U CN 202321308667 U CN202321308667 U CN 202321308667U CN 219948148 U CN219948148 U CN 219948148U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- water
- shell
- connecting pipe
- reduction gearbox
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000007921 spray Substances 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 description 20
- 230000010354 integration Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to a wiper motor, which comprises a motor shell and a motor shaft arranged in the motor shell, wherein one end of the motor shell is provided with a reduction gearbox, the reduction gearbox comprises a gear mechanism, the gear mechanism is driven by the motor shaft, the power output end of the gear mechanism is provided with an output shaft, the output shaft is used for driving an automobile wiper arm to swing back and forth, one end of the output shaft extends out of a shell of the reduction gearbox, the end is an outer extending end, and the output shaft is a hollow shaft; the spray rod comprises a spray head and a connecting pipe, wherein the spray head is fixed at one end of the connecting pipe, the end part of the spray head, which is arranged at the outer extending end of the output shaft, is fixedly connected with the end part of the outer extending end of the output shaft, so that the spray head and the output shaft synchronously rotate, the connecting pipe of the spray rod is positioned in a shaft hole of the output shaft, and a water pipe is inserted into the shaft hole of the output shaft from the other end of the output shaft and is in sealing connection with the connecting pipe, so that the connecting pipe is communicated with a pipeline of the water pipe.
Description
Technical Field
The utility model relates to the technical field of automobile wipers, in particular to a wiper motor.
Background
The automobile wiper is a device for scraping raindrops and dust attached to a windshield of a vehicle to improve visibility of a driver and increase driving safety. When there is no rain on the windshield and the windshield is still required to be cleaned by the windscreen wiper, water is usually sprayed on the windshield, so that friction force during wiping is reduced, noise is reduced, and cleaning effect is enhanced.
At present, a wiper arm of the wiper is driven by a wiper motor to realize reciprocating swing. The water spraying mechanism is usually driven by a water spraying motor arranged at the bottom of the windshield to spray water, the water spraying motor drives the blades to rotate through a motor shaft, liquid is led into the pipeline from the liquid outlet pipe through rotation of the blades, and then water spraying operation is carried out through the spray head. The water spraying mechanism and the wiper mechanism are mutually independent, so that the layout difficulty of the automobile space is increased.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a wiper motor, wherein a water spraying structure is arranged on the wiper motor, so that the integration level of automobile parts is improved, and the layout design of an automobile space is facilitated.
The technical scheme of the utility model is as follows: the motor comprises a motor shell and a motor shaft arranged in the motor shell, wherein one end of the motor shell is provided with a reduction gearbox, the reduction gearbox comprises a gear mechanism, the gear mechanism is driven by the motor shaft, the power output end of the gear mechanism is provided with an output shaft, the output shaft is used for driving an automobile wiper arm to swing in a reciprocating manner, one end of the output shaft extends out of a shell of the reduction gearbox, the end is an outer extending end, and the output shaft is a hollow shaft; the spray rod comprises a spray head and a connecting pipe, wherein the spray head is fixed at one end of the connecting pipe, the spray head is fixedly connected with the end part of the outer extending end of the output shaft, so that the spray head and the output shaft synchronously rotate, the connecting pipe of the spray rod is positioned in a shaft hole of the output shaft, and a water pipe is inserted into the shaft hole of the output shaft from the other end of the output shaft and is in sealing connection with the connecting pipe, so that the connecting pipe is communicated with a pipeline of the water pipe.
Further, a water jet is arranged on the spray head, and the axis of the water jet is perpendicular to the axis of the output shaft.
Further, a supporting part of the output shaft is arranged on the shell of the reduction gearbox, the supporting part extends to a direction far away from the shell of the reduction gearbox, a through hole is formed in the supporting part, the output shaft extends out of the shell of the reduction gearbox from the through hole, and the output shaft is in sliding fit in the through hole of the supporting part and is sealed with the supporting part through a sealing ring.
Further, the other end of the connecting pipe is inserted into the water pipe and is rotatably matched in the pipeline of the water pipe, and a sealing ring is arranged between the other end of the connecting pipe and the water pipe to form sealing connection between the water pipe and the connecting pipe.
Further, the spray head is in interference fit with the end part of the outer extending end of the output shaft to form fixed connection.
Further, an annular groove is formed in one end, close to the output shaft, of the spray head, and the end portion of the outer extending end of the output shaft is in interference fit with the annular groove.
Further, the water delivery pipe is fixedly connected with the shell of the reduction gearbox.
Further, one end of the water pipe is provided with a connector, the connector is positioned outside the shell of the reduction gearbox and used for being connected with a water source, and the connector is fixedly connected with the shell of the reduction gearbox.
Further, at least one protruding clip is arranged on the connector, a clamping seat is fixedly arranged on the shell of the reduction gearbox, two limiting protrusions are arranged on the end face of the clamping seat, the clip on the connector is located between the two limiting protrusions of the clamping seat to form circumferential fixation of the water pipe, and the clip on the connector abuts against the end face of the clamping seat to form axial fixation of the water pipe.
Further, the shaft hole of the output shaft is a stepped hole, the connecting pipe is matched in a small-diameter section of the stepped hole, and the water delivery pipe is matched in a large-diameter section of the stepped hole.
The technical scheme is adopted: the motor comprises a motor shell and a motor shaft arranged in the motor shell, wherein one end of the motor shell is provided with a reduction gearbox, the reduction gearbox comprises a gear mechanism, the gear mechanism is driven by the motor shaft, the power output end of the gear mechanism is provided with an output shaft, the output shaft is used for driving an automobile wiper arm to swing back and forth, one end of the output shaft extends out of a shell of the reduction gearbox, the end is an outer extending end, and the output shaft is a hollow shaft; the spray rod comprises a spray head and a connecting pipe, wherein the spray head is fixed at one end of the connecting pipe, the spray head is fixedly connected with the end part of the outer extending end of the output shaft, so that the spray head and the output shaft synchronously rotate, the connecting pipe of the spray rod is positioned in a shaft hole of the output shaft, and a water pipe is inserted into the shaft hole of the output shaft from the other end of the output shaft and is in sealing connection with the connecting pipe, so that the connecting pipe is communicated with a pipeline of the water pipe. The water spraying structure is arranged on the wiper motor, so that the integration level of automobile parts is improved, and the layout design of the automobile space is facilitated. Moreover, the spray head for spraying water can synchronously rotate with the output shaft, so that the wiper arm connected to the output shaft can effectively spray water at any position, friction between the wiper arm and a windshield is reduced, the cleaning effect of the wiper is good, and the water consumption for spraying water is also saved. In addition, the connecting pipe and the water delivery pipe of the spray boom are arranged in the shaft hole of the output shaft, so that the integration level of automobile parts is further improved, the layout design of the automobile space is facilitated, the water delivery pipeline is protected by the output shaft, the protection of the output shaft is also firmer and more reliable, and the failure rate is reduced.
Further, a water jet is arranged on the spray head, and the axis of the water jet is perpendicular to the axis of the output shaft. Therefore, the water spraying port of the spray head can spray water along the extending direction of the wiper arm or the extending direction close to the wiper arm, and the water spraying direction is more accurate.
Further, a supporting part of the output shaft is arranged on the shell of the reduction gearbox, the supporting part extends to a direction far away from the shell of the reduction gearbox, a through hole is formed in the supporting part, the output shaft extends out of the shell of the reduction gearbox from the through hole, and the output shaft is in sliding fit in the through hole of the supporting part and is sealed with the supporting part through a sealing ring. Through the support of the supporting part to the output shaft, the rotation of the output shaft can be more stable and reliable, and a bearing can be arranged between the supporting part and the output shaft to reduce the friction force of the rotation of the output shaft. The sealing ring arranged between the output shaft and the supporting part can prevent water sprayed by the spray head from entering the shell of the reduction gearbox, and prevent the motor from water inflow.
Further, the other end of the connecting pipe is inserted into the water pipe and is rotatably matched in the pipeline of the water pipe, and a sealing ring is arranged between the other end of the connecting pipe and the water pipe to form sealing connection between the water pipe and the connecting pipe. Therefore, the connection pipe is communicated with the water delivery pipe, and the circumferential rotation of the connection pipe is not limited by the water delivery pipe, so that the spray head can rotate together with the output shaft. The sealing ring can increase the tightness of the connection between the connecting pipe and the water delivery pipe, and can avoid the water leakage at the connection position.
Further, the spray head is in interference fit with the end part of the outer extending end of the output shaft to form fixed connection. The interference fit connection mode is simple and quick.
Further, an annular groove is formed in one end, close to the output shaft, of the spray head, and the end portion of the outer extending end of the output shaft is in interference fit with the annular groove. The end part of the output shaft is integrally inserted into the annular groove to be in interference fit with the annular groove, so that the firmness of connection between the spray head and the output shaft can be increased.
Further, the water delivery pipe is fixedly connected with the shell of the reduction gearbox. The water delivery pipe is directly fixed with the reduction gearbox shell, so that the assembly is convenient, and the water delivery pipe and the reduction gearbox shell can be prevented from rotating circumferentially after being fixed, so that the whole structure is more stable and controllable.
Further, one end of the water pipe is provided with a connector, the connector is positioned outside the shell of the reduction gearbox and used for being connected with a water source, and the connector is fixedly connected with the shell of the reduction gearbox. The connector is at least provided with one convex clip, a clamping seat is fixedly arranged on the shell of the reduction gearbox, two limiting protrusions are arranged on the end face of the clamping seat, the clip on the connector is positioned between the two limiting protrusions of the clamping seat to form circumferential fixation of the water delivery pipe, and the clip on the connector abuts against the end face of the clamping seat to form axial positioning of the water delivery pipe. The joint and the clamping seat are matched to form the fixed connection between the water pipe and the gearbox shell, the assembly of the water pipe is simple and quick, and the connection is stable and reliable.
Further, the shaft hole of the output shaft is a stepped hole, the connecting pipe is in clearance fit in a small-diameter section of the stepped hole, and the water delivery pipe is in clearance fit in a large-diameter section of the stepped hole. The limiting of the connecting pipe and the water delivery pipe in the shaft hole of the output shaft is also good, and the circumferential shaking of the connecting pipe and the water delivery pipe can be reduced.
The water spraying structure is arranged on the wiper motor, so that the integration level of automobile parts is improved, and the layout design of the automobile space is facilitated. And the water spraying effect is good, the cleaning effect of the wiper is also good, and the water consumption of water spraying is saved. Meanwhile, the water delivery pipeline for spraying water is protected by the output shaft, so that the protection is firmer and more reliable, and the failure rate is reduced.
The utility model is further described below with reference to the drawings and specific examples.
Drawings
Fig. 1 is a schematic structural view of a wiper motor;
FIG. 2 is a schematic structural view of the output shaft matched with the spray boom and the water delivery pipe;
fig. 3 is a cross-sectional view A-A of fig. 2.
In the drawing, 1 is a motor shell, 2 is a reduction gearbox, 3 is an output shaft, 3-1 is a shaft hole, 4 is a spray rod, 4-1 is a spray head, 4-2 is a connecting pipe, 5 is a joint, 6 is a clamping seat, and 7 is a water delivery pipe.
Detailed Description
Referring to fig. 1 to 3, a wiper motor comprises a motor casing 1 and a motor shaft arranged in the motor casing 1, wherein one end of the motor casing 1 is provided with a reduction gearbox 2, and the motor casing 1 is fixedly connected with a casing of the reduction gearbox 2. The reduction gearbox 2 comprises a gear mechanism, the gear mechanism is driven by the motor shaft, an output shaft 3 is arranged at the power output end of the gear mechanism, and the output shaft 3 is used for driving the automobile wiper arm to swing in a reciprocating mode. One end of the output shaft 3 extends out of the shell of the reduction gearbox 2, the end is an outer extending end, and the output shaft 3 is a hollow shaft. The outer extending end of the output shaft 3 is provided with a spray rod 4, the spray rod 4 comprises a spray head 4-1 and a connecting pipe 4-2, the spray head 4-1 is fixed at one end of the connecting pipe 4-2, and the spray head 4-1 and the connecting pipe 4-2 can be of an integrated structure. And the spray head 4-1 is fixedly connected with the end part of the outer extending end of the output shaft 3, so that the spray head 4-1 and the output shaft 3 synchronously rotate. Further, the spray head 4-1 and the end part of the outer extending end of the output shaft 3 are in interference fit to form fixed connection, and the interference fit connection mode is simple and quick. Optionally, an annular groove is arranged at one end of the spray head 4-1 close to the output shaft 3, and the end part of the outer extending end of the output shaft 3 is in interference fit with the annular groove. The end part of the output shaft 3 is integrally inserted into the annular groove to be in interference fit with the annular groove, so that the firmness of connection between the spray head 4-1 and the output shaft 3 can be increased.
In this embodiment, the spray head 4-1 is provided with a water spray port, and the axis of the water spray port is perpendicular to the axis of the output shaft 3. Therefore, the water spraying port of the spray head 4-1 can spray water along the extending direction of the wiper arm or the extending direction close to the wiper arm, and the water spraying direction is more accurate. The connecting pipe 4-2 of the spray rod 4 is positioned in the shaft hole 3-1 of the output shaft 3, and a water pipe 7 is inserted into the shaft hole 3-1 of the output shaft 3 from the other end of the output shaft 3 and is connected with the connecting pipe 4-2 in a sealing way, so that the connecting pipe 4-2 is communicated with a pipeline of the water pipe 7. Further, the other end of the connecting pipe 4-2 is inserted into the water pipe 7 and is rotatably matched in the pipeline of the water pipe 7, and a sealing ring is arranged between the other end of the connecting pipe 4-2 and the water pipe 7 to form sealing connection between the water pipe 7 and the connecting pipe 4-2. Thereby realizing the communication of the pipeline between the connecting pipe 4-2 and the water delivery pipe 7, and the circumferential rotation of the connecting pipe 4-2 is not limited by the water delivery pipe 7, so that the spray head 4-1 can rotate together with the output shaft 3. The sealing ring can increase the tightness of the connection between the connecting pipe 4-2 and the water delivery pipe 7, and can avoid the water leakage at the connection position. Further, the shaft hole 3-1 of the output shaft 3 is a stepped hole, the connecting pipe 4-2 is in clearance fit in a small-diameter section of the stepped hole, and the water pipe 7 is in clearance fit in a large-diameter section of the stepped hole. The limit of the connecting pipe 4-2 and the water delivery pipe 7 in the shaft hole 3-1 of the output shaft 3 is also good, and the circumferential shaking of the connecting pipe 4-2 and the water delivery pipe 7 can be reduced.
In this embodiment, the housing of the reduction gearbox 2 is provided with a supporting portion of the output shaft 3, the supporting portion extends away from the housing of the reduction gearbox 2, the supporting portion is provided with a through hole, the output shaft 3 extends out of the housing of the reduction gearbox 2 from the through hole, and the output shaft 3 is slidably fitted in the through hole of the supporting portion, and is sealed with the supporting portion by a sealing ring. By supporting the output shaft 3 by the supporting portion, the rotation of the output shaft 3 can be more stable and reliable, and a bearing can be arranged between the supporting portion and the output shaft 3 to reduce the friction force of the rotation of the output shaft 3. The sealing ring arranged between the output shaft 3 and the supporting part can prevent water sprayed out by the spray head 4-1 from entering the shell of the reduction gearbox 2 and prevent water from entering the motor. Further, the water pipe 7 is fixedly connected with the shell of the reduction gearbox 2. The water delivery pipe 7 is directly fixed with the shell of the reduction gearbox 2, so that the assembly is convenient, and the water delivery pipe 7 can be prevented from rotating circumferentially after being fixed with the shell of the reduction gearbox 2, so that the whole structure is more stable and controllable. Optionally, a joint 5 is arranged at one end of the water pipe 7, the joint 5 is located outside the shell of the reduction gearbox 2 and is used for connecting a water source, and the joint 5 is fixedly connected with the shell of the reduction gearbox 2. Further, at least one protruding clip is arranged on the joint 5, a clamping seat 6 is fixedly arranged on the shell of the reduction gearbox 2, two limiting protrusions are arranged on the end face of the clamping seat 6, the clip on the joint 5 is located between the two limiting protrusions of the clamping seat 6 to form circumferential fixation of the water conveying pipe 7, and the clip on the joint 5 abuts against the end face of the clamping seat 6 to form axial positioning of the water conveying pipe 7. The joint 5 and the clamping seat 6 are matched to form the fixed connection between the water pipe 7 and the shell of the reduction gearbox 2, the assembly of the water pipe 7 is simple and quick, and the connection is stable and reliable. Alternatively, one or two or three raised clips may be provided on the connector 5, the two or three raised clips providing circumferential adjustment space for the water conduit 7 when installed.
The water spraying structure is arranged on the wiper motor in the embodiment, so that the integration level of automobile parts is improved, and the layout design of the automobile space is facilitated. Moreover, the spray head 4-1 for spraying water can synchronously rotate with the output shaft 3, so that the wiper arm connected to the output shaft 3 can effectively spray water at any position, friction between the wiper arm and a windshield is reduced, the cleaning effect of the wiper is good, and the water consumption for spraying water is also saved. In addition, the connecting pipe 4-2 of the spray boom 4 and the water delivery pipe 7 are arranged in the shaft hole 3-1 of the output shaft 3, so that the integration level of automobile parts is further improved, the layout design of the automobile space is facilitated, the water delivery pipeline is protected by the output shaft 3 and is firm and reliable, and the failure rate is reduced.
Claims (10)
1. The windscreen wiper motor comprises a motor shell and a motor shaft arranged in the motor shell, wherein one end of the motor shell is provided with a reduction gearbox, the reduction gearbox comprises a gear mechanism, and the gear mechanism is driven by the motor shaft; the spray rod comprises a spray head and a connecting pipe, wherein the spray head is fixed at one end of the connecting pipe, the spray head is fixedly connected with the end part of the outer extending end of the output shaft, so that the spray head and the output shaft synchronously rotate, the connecting pipe of the spray rod is positioned in a shaft hole of the output shaft, and a water pipe is inserted into the shaft hole of the output shaft from the other end of the output shaft and is in sealing connection with the connecting pipe, so that the connecting pipe is communicated with a pipeline of the water pipe.
2. The wiper motor according to claim 1, wherein: the spray nozzle is provided with a water spray opening, and the axis of the water spray opening is perpendicular to the axis of the output shaft.
3. The wiper motor according to claim 1, wherein: the bearing part of the output shaft is arranged on the shell of the reduction gearbox, the bearing part extends towards the direction far away from the shell of the reduction gearbox, the bearing part is provided with a through hole, the output shaft extends out of the shell of the reduction gearbox from the through hole, and the output shaft is in sliding fit in the through hole of the bearing part and is sealed with the bearing part through a sealing ring.
4. The wiper motor according to claim 1, wherein: the other end of the connecting pipe is inserted into the water pipe and is rotatably matched in the pipeline of the water pipe, and a sealing ring is arranged between the other end of the connecting pipe and the water pipe to form sealing connection between the water pipe and the connecting pipe.
5. The wiper motor according to claim 1, wherein: the spray head is in interference fit with the end part of the outer extension end of the output shaft to form fixed connection.
6. The wiper motor according to claim 5, wherein: the end of the spray head, which is close to the output shaft, is provided with an annular groove, and the end part of the outer extending end of the output shaft is in interference fit in the annular groove.
7. The wiper motor according to claim 1, wherein: the water delivery pipe is fixedly connected with the shell of the reduction gearbox.
8. The wiper motor according to claim 7, wherein: one end of the water pipe is provided with a connector, the connector is positioned outside the shell of the reduction gearbox and used for being connected with a water source, and the connector is fixedly connected with the shell of the reduction gearbox.
9. The wiper motor according to claim 8, wherein: the connector is at least provided with one convex clip, a clamping seat is fixedly arranged on the shell of the reduction gearbox, two limiting protrusions are arranged on the end face of the clamping seat, the clip on the connector is positioned between the two limiting protrusions of the clamping seat to form circumferential fixation of the water delivery pipe, and the clip on the connector abuts against the end face of the clamping seat to form axial positioning of the water delivery pipe.
10. The wiper motor according to claim 1, wherein: the shaft hole of the output shaft is a stepped hole, the connecting pipe is in clearance fit in a small-diameter section of the stepped hole, and the water delivery pipe is in clearance fit in a large-diameter section of the stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308667.9U CN219948148U (en) | 2023-05-26 | 2023-05-26 | Windscreen wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308667.9U CN219948148U (en) | 2023-05-26 | 2023-05-26 | Windscreen wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219948148U true CN219948148U (en) | 2023-11-03 |
Family
ID=88541629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321308667.9U Active CN219948148U (en) | 2023-05-26 | 2023-05-26 | Windscreen wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219948148U (en) |
-
2023
- 2023-05-26 CN CN202321308667.9U patent/CN219948148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4464034B2 (en) | Headlamp cleaning device | |
| US20110155173A1 (en) | Wiper with rotating cleaning apparatus | |
| US4893374A (en) | Windshield wiper system | |
| US3887956A (en) | Windshield wiper fluid dispenser | |
| US2609561A (en) | Windshield wiper | |
| CN219948148U (en) | Windscreen wiper motor | |
| CN116394883A (en) | Windscreen wiper motor | |
| JP2007253645A (en) | Wiper device | |
| CN103863256B (en) | Device for the flushing liquor of supply of vehicles | |
| FR2992612A1 (en) | Windscreen wiper for vehicle, has wiper blade provided with end cap comprising washing water passage module for passing washing water, where washing water passage module comprises tube, which discharges washing water on to-be cleaned pane | |
| US5711487A (en) | Motor vehicle screen washing apparatus for screen washing liquid delivery | |
| CN219948147U (en) | Seal assembly of wiper motor | |
| US3234579A (en) | Windshield washer | |
| CN116513109A (en) | Seal assembly of wiper motor | |
| CN116279306A (en) | Windscreen wiper | |
| KR101230832B1 (en) | Rear wiper motor | |
| CN111845638A (en) | Wiper and vehicle | |
| CN113581082B (en) | Automatic lens cleaning device for outer rearview mirror | |
| KR100821979B1 (en) | Shaft waterproof device of wiper for vehicles | |
| JP5888953B2 (en) | Wiper blade | |
| CN205468973U (en) | Formula ultrasonic bonding washing pump slips into | |
| CN220884318U (en) | Windscreen wiper axle sleeve and connecting pipe fastener | |
| KR100536994B1 (en) | Wind shield wiper for vehicle | |
| KR100482813B1 (en) | Joint-washer for windshield wiper system | |
| CN211844355U (en) | Windscreen wiper trace with self-lubricating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |