Windscreen wiper driving device

Abstract

The utility model discloses a windscreen wiper driving device which comprises an automobile installation part and a driving motor, an installation groove is formed in the automobile installation part, the driving motor is installed in the installation groove through an installation structure, and the installation structure comprises a fixing plate and a fixing part; the driving motor is arranged in the mounting groove, the fixing plate is arranged in the mounting groove, and the driving motor is arranged in the fixing plate. The driving motor drives the connecting plate to rotate, the first transverse plate and the connecting plate move through the pin shaft, the first transverse plate, the second transverse plate and the first windscreen wiper head move through the pin shaft, the first windscreen wiper head swings on the automobile installation part through the pin shaft, and meanwhile the second transverse plate drives the second windscreen wiper head to move through the pin shaft. When the baffle rotates on the automobile mounting part through the rotating shaft towards the outer side, the baffle leaves the fixing plate, the fixing plate is pulled out of the mounting groove, and at the moment, the driving motor can be conveniently taken down to be overhauled or replaced.

Description

Technical Field

[0001] This patent relates to the field of wiper technology, specifically a wiper drive device. Background Art

[0002] As people's living standards improve, the comfort requirements for cars are also greatly improved. The so-called windshield wiper is a tool used to simply clean the front glass of a motor vehicle to prevent rain and other dirt from affecting the line of sight. The car wiper needs to be driven by a motor, but the current drive device is bolted to the car mounting part, and the drive device has a service life and is not easy to disassemble, replace or repair. Utility Model Content

[0003] The purpose of this patent is to provide a wiper drive device.

[0004] To achieve the above purpose, this patent provides the following technical solutions: a wiper drive device, including a vehicle mounting part and a drive motor, the vehicle mounting part is provided with a mounting groove, the drive motor is installed in the mounting groove through a mounting structure, and the mounting structure includes a fixing plate and a fixing part;

[0005] The drive motor is placed in the mounting groove, the fixing plate is placed in the mounting groove, the drive motor is placed in the fixing plate, the fixing plate is limited in the mounting groove by a fixing member, the number of the fixing members is two, and the fixing members are symmetrically distributed on both sides with the midline of the fixing plate as the center;

[0006] The fixing member includes a baffle and a rotating shaft, the baffle is rotatably mounted on the automobile mounting member via the rotating shaft, and the baffle is tightly pressed against the fixing plate;

[0007] The output shaft of the driving motor is connected to a connecting plate through a spline part, the connecting plate is rotatably connected to a first cross plate through a pin shaft, the first cross plate is rotatably connected to a second cross plate through a pin shaft, the vehicle mounting part is rotatably connected to a first wiper head through a pin shaft, the vehicle mounting part is rotatably connected to a second wiper head through a pin shaft, the first cross plate, the second cross plate and the first wiper head are rotatably connected through a pin shaft, and the second cross plate and the second wiper head are rotatably connected through a pin shaft.

[0008] Preferably, a groove is provided in the fixing plate, a spring is installed in the groove, a ball is installed on the spring, and the ball is pressed tightly against the driving motor.

[0009] Preferably, a limit block is installed on the driving motor, a limit slot is provided in the installation slot, and the limit block is clamped in the limit slot.

[0010] Preferably, the pin includes a circular plate, a circular shaft, a circular block, a bolt and a threaded opening;

[0011] The round shaft is installed on the round plate, the bolt is installed on the round block, the threaded opening is opened on the round shaft, and the bolt is sleeved in the threaded opening.

[0012] Preferably, a circular groove is formed on the connecting plate, the output shaft of the driving motor is placed in the circular groove, the spline member is a clamping structure, the number of the clamping structures is four, the clamping structures are distributed in an annular shape and equidistantly between the output shaft of the driving motor and the circular groove, and the clamping structure includes a clamping block and a clamping groove;

[0013] The clamping block is mounted on the output shaft of the driving motor, the clamping slot is arranged in the circular slot, and the clamping block is clamped in the clamping slot.

[0014] Preferably, a hexagonal hole is provided on the round block, and the hexagonal hole is arranged corresponding to the pin shaft.

[0015] Compared with the prior art, the beneficial effects of this patent are: the wiper drive device has the following advantages compared with the traditional technology:

[0016] The driving motor drives the connecting plate to rotate, and the first horizontal plate and the connecting plate move through the pin shaft, and the first horizontal plate, the second horizontal plate and the first wiper head move through the pin shaft. The first wiper head is used to swing on the automobile mounting part through the pin shaft. At the same time, the second horizontal plate drives the second wiper head to move through the pin shaft, so that the second wiper head swings on the automobile mounting part through the pin shaft. When the baffle is rotated outward on the automobile mounting part through the rotating shaft, the baffle leaves the fixed plate and the fixed plate is pulled out of the mounting groove. At this time, it is convenient to remove the driving motor for inspection or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of this patent;

[0018] Figure 2 This is a schematic diagram of the structure of the circular plate, circular shaft and circular block of the present patent;

[0019] Figure 3 This is a schematic diagram of the structure of the groove, spring and ball of this patent;

[0020] Figure 4 This is a schematic diagram of the structure of the circular groove, card block and card slot of this patent.

[0021] In the figure: 1. automobile mounting part, 2. mounting groove, 3. driving motor, 4. mounting structure, 401. fixing plate, 402. fixing part, 403. baffle, 404. rotating shaft, 5. connecting plate, 6. first horizontal plate, 7. second horizontal plate, 8. first wiper head, 9. second wiper head, 10. pin shaft, 11. circular groove, 12. clamping structure, 13. clamping block, 14. clamping groove, 15. groove, 16. spring, 17. round ball, 18. limiting block, 19. limiting groove, 20. round plate, 21. round shaft, 22. round block, 23. bolt, 24. threaded mouth, 25. hexagonal hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0023] See also Figure 1-4 This patent provides a technical solution: a wiper drive device, including a car mounting part 1 and a drive motor 3, the drive motor 3 is powered by the car and is controlled to start and stop by driving the wiper paddle, the car mounting part 1 is provided with a mounting groove 2, the drive motor 3 is installed in the mounting groove 2 through a mounting structure 4, and the mounting structure 4 includes a fixing plate 401 and a fixing part 402;

[0024] The drive motor 3 is placed in the mounting groove 2, the drive motor 3 is fitted with the mounting groove 2, the fixing plate 401 is placed in the mounting groove 2, the fixing plate 401 is fitted with the mounting groove 2, the drive motor 3 is placed in the fixing plate 401, the fixing plate 401 is limited in the mounting groove 2 by the fixing member 402, the number of the fixing members 402 is two, and the fixing members 402 are symmetrically distributed on both sides with the midline of the fixing plate 401 as the center;

[0025] The fixing member 402 includes a baffle 403 and a rotating shaft 404. The baffle 403 is rotatably mounted on the automobile mounting member 1 via the rotating shaft 404. The rotating shaft 404 is made of a steel shaft with rubber wrapped on the outside, so that the baffle 403 can be limited and fixed after rotation, and the baffle 403 is tightly pressed against the fixing plate 401.

[0026] The output shaft of the driving motor 3 is connected to the connecting plate 5 through a spline part, and the connecting plate 5 is rotatably connected to the first transverse plate 6 through a pin shaft 10, and the first transverse plate 6 is rotatably connected to the second transverse plate 7 through the pin shaft 10, and the automobile mounting part 1 is rotatably connected to the first wiper head 8 through the pin shaft 10, and the first wiper head 8 can be connected to a wiper of an external automobile, and the automobile mounting part 1 is rotatably connected to the second wiper head 9 through the pin shaft 10, and the second wiper head 9 can be connected to another wiper of an external automobile, the first transverse plate 6, the second transverse plate 7 and the first wiper head 8 are rotatably connected through the pin shaft 10, and the second transverse plate 7 and the second wiper head 9 are rotatably connected through the pin shaft 10, and the driving The motor 3 drives the connecting plate 5 to rotate, and the first transverse plate 6 and the connecting plate 5 move through the pin shaft 10, the first transverse plate 6, the second transverse plate 7 and the first wiper head 8 move through the pin shaft 10, and the first wiper head 8 is used to swing on the automobile mounting part 1 through the pin shaft 10. At the same time, the second transverse plate 7 drives the second wiper head 9 to move through the pin shaft 10, so that the second wiper head 9 swings on the automobile mounting part 1 through the pin shaft 10. When the baffle 403 is rotated on the automobile mounting part 1 through the rotating shaft 404 toward the outside, the baffle 403 leaves the fixed plate 401, and the fixed plate 401 is pulled out of the mounting groove 2. At this time, the drive motor 3 can be removed for inspection or replacement, otherwise the drive motor 3 is installed.

[0027] A groove 15 is provided in the fixing plate 401, and a spring 16 is installed in the groove 15. The spring 16 has a large elastic coefficient and is within the compression range of manual pressure. A ball 17 is installed on the spring 16, and the ball 17 is pressed against the driving motor 3. When the fixing plate 401 is limited in the mounting groove 2, the spring 16 in the groove 15 applies inward force to the ball 17, and the ball 17 is pressed against the driving motor 3. A limiting block 18 is installed on the driving motor 3. A limiting groove 19 is provided in the mounting groove 2, and the width of the limiting groove 19 is half of the width of the mounting groove 2. The limiting block 18 is clamped in the limiting groove 19. When the driving motor 3 is installed in the mounting groove 2, the limiting block 18 is clamped into the limiting groove 19.

[0028] The pin 10 includes a circular plate 20, a circular shaft 21, a circular block 22, a bolt 23 and a threaded opening 24;

[0029] The round shaft 21 is mounted on the round plate 20, the bolt 23 is mounted on the round block 22, the threaded opening 24 is provided on the round shaft 21, the bolt 23 is sleeved in the threaded opening 24, the round block 22 is provided with a hexagonal hole 25, and the hexagonal hole 25 is provided corresponding to the pin 10;

[0030] Through holes are provided at the positions where the automobile mounting part 1 is connected to the first wiper head 8 and the second wiper head 9 through the pin 10, and the diameter of the through holes is consistent with the outer diameter of the circular shaft 21, and through holes are provided at the positions where the connecting plate 5 is connected to the first horizontal plate 6 through the pin 10; the first horizontal plate 6, the second horizontal plate 7 and the first wiper head 8 through the pin 10; the second horizontal plate 7 and the second wiper head 9 through the pin 10. When it is necessary to replace or overhaul the wiper connector, an external hexagonal wrench can be inserted into the hexagonal hole 25, and the round block 22 can be rotated so that the bolt 23 on the round block 22 is reversely screwed away from the threaded opening 24 on the circular shaft 21 on the circular plate 20, so that the pin 10 can be separated and disassembled, which is convenient for disassembling the wiper connector.

[0031] A circular groove 11 is provided on the connecting plate 5. The connecting plate 5 is made of iron. The output shaft of the driving motor 3 is placed in the circular groove 11. The spline member is a clamping structure 12. There are four clamping structures 12. The clamping structures 12 are equidistantly distributed in an annular shape between the output shaft of the driving motor 3 and the circular groove 11. The clamping structure 12 includes a clamping block 13 and a clamping groove 14.

[0032] The clamping block 13 is installed on the output shaft of the driving motor 3. The clamping block 13 is supported by a magnetic material. The clamping groove 14 is provided in the circular groove 11. The clamping block 13 is clamped in the clamping groove 14. When the clamping block 13 on the output shaft of the driving motor 3 is clamped into the clamping groove 14 on the circular groove 11 on the connecting plate 5, the connecting plate 5 is connected to the output shaft of the driving motor 3.

[0033] When the wiper driving device is used, the motor 3 is first driven to drive the connecting plate 5 to rotate, and the first transverse plate 6 and the connecting plate 5 move through the pin shaft 10, the first transverse plate 6, the second transverse plate 7 and the first wiper head 8 move through the pin shaft 10, and the first wiper head 8 is used to swing on the vehicle mounting part 1 through the pin shaft 10, and at the same time, the second transverse plate 7 drives the second wiper head 9 to move through the pin shaft 10, so that the second wiper head 9 swings on the vehicle mounting part 1 through the pin shaft 10, and when the baffle 403 is moved outward through the rotating shaft 4 04 rotates on the automobile mounting part 1, the baffle 403 leaves the fixing plate 401, and the fixing plate 401 is pulled out of the mounting groove 2. At this time, the drive motor 3 can be removed for inspection or replacement. Conversely, the drive motor 3 is installed. When the wiper connecting part needs to be replaced or repaired, an external hexagonal wrench can be inserted into the hexagonal hole 25 and the round block 22 can be rotated so that the bolt 23 on the round block 22 is reversely screwed away from the threaded opening 24 on the round shaft 21 on the round plate 20, so that the pin shaft 10 is separated and disassembled, which is convenient for disassembling the wiper connecting part.

[0034] Although the embodiments of the present patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present patent, and the scope of the present patent is defined by the appended claims and their equivalents.

Claims

1. A windshield wiper drive device, comprising a vehicle mounting member (1) and a drive motor (3), characterized in that: The automobile mounting member (1) is provided with a mounting groove (2), and the drive motor (3) is mounted in the mounting groove (2) via a mounting structure (4), wherein the mounting structure (4) comprises a fixing plate (401) and a fixing member (402); The drive motor (3) is placed in the mounting groove (2), the fixing plate (401) is placed in the mounting groove (2), the drive motor (3) is placed in the fixing plate (401), the fixing plate (401) is limited in the mounting groove (2) by a fixing member (402), the number of the fixing members (402) is two, and the fixing members (402) are symmetrically distributed on both sides with the center line of the fixing plate (401) as the center; The fixing member (402) comprises a baffle (403) and a rotating shaft (404), wherein the baffle (403) is rotatably mounted on the automobile mounting member (1) via the rotating shaft (404), and the baffle (403) is tightly pressed against the fixing plate (401); The output shaft of the driving motor (3) is connected to a connecting plate (5) via a spline member, the connecting plate (5) is rotatably connected to a first transverse plate (6) via a pin shaft (10), the first transverse plate (6) is rotatably connected to a second transverse plate (7) via a pin shaft (10), the automobile mounting part (1) is rotatably connected to a first wiper head (8) via a pin shaft (10), the automobile mounting part (1) is rotatably connected to a second wiper head (9) via a pin shaft (10), the first transverse plate (6), the second transverse plate (7) and the first wiper head (8) are rotatably connected via a pin shaft (10), and the second transverse plate (7) and the second wiper head (9) are rotatably connected via a pin shaft (10).

2. A wiper driving device according to claim 1, characterized in that: A groove (15) is provided in the fixing plate (401), a spring (16) is installed in the groove (15), a round ball (17) is installed on the spring (16), and the round ball (17) is pressed tightly against the driving motor (3).

3. A wiper driving device according to claim 1, characterized in that: A limit block (18) is installed on the driving motor (3), a limit slot (19) is provided in the installation slot (2), and the limit block (18) is clamped in the limit slot (19).

4. A wiper driving device according to claim 1, characterized in that: The pin shaft (10) comprises a circular plate (20), a circular shaft (21), a circular block (22), a bolt (23) and a threaded opening (24); The circular shaft (21) is mounted on the circular plate (20), the bolt (23) is mounted on the circular block (22), the threaded opening (24) is formed on the circular shaft (21), and the bolt (23) is sleeved in the threaded opening (24).

5. A wiper driving device according to claim 1, characterized in that: The connecting plate (5) is provided with a circular groove (11), the output shaft of the driving motor (3) is placed in the circular groove (11), the spline member is a clamping structure (12), the number of the clamping structures (12) is four, the clamping structures (12) are distributed in an annular shape and equidistantly between the output shaft of the driving motor (3) and the circular groove (11), and the clamping structure (12) comprises a clamping block (13) and a clamping groove (14); The clamping block (13) is mounted on the output shaft of the driving motor (3), the clamping groove (14) is arranged in the circular groove (11), and the clamping block (13) is clamped in the clamping groove (14).

6. A wiper driving device according to claim 4, characterized in that: The round block (22) is provided with a hexagonal hole (25), and the hexagonal hole (25) is arranged corresponding to the pin shaft (10).

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