Anti-play windscreen wiper motor

Abstract

The utility model provides an anti-play windscreen wiper motor, which comprises a motor, a connecting cover body, a gear shaft box, a gear shaft box cover, a bearing seat, a bearing protecting cover and an output shaft, and is characterized in that the connecting cover body is fixedly arranged at one end of the motor, the gear shaft box is arranged on the connecting cover body, and the gear shaft box cover is fixedly arranged on the gear shaft box and is fixedly arranged in a vehicle body; the bearing seat is fixedly installed on the surface of the gear shaft box cover, the bearing protecting cover is fixedly installed on the surface of the bearing seat, and the output shaft is meshed with a gear shaft in the gear shaft box and extends outwards after penetrating through a bearing in the bearing seat. Through the arrangement of the gear shaft box cover, the bearing seat and the output shaft, the motor shaft body cannot move, the stability of the shaft body is high, and the overall strength is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to wiper technology field especially relates to a kind of anti-creep wiper motor. BACKGROUND

[0002] Wiper motor is the core driving component of automobile wiper system, its function is through mechanical transmission to drive wiper swing, realize the cleaning of windshield, ensure that driver has good vision under rainy and snowy weather. However, the existing wiper motor is prone to output shaft creep, structure loosening, insufficient stability, poor durability and other problems in long-term use, which affects the working performance of wiper, and even affects driving safety. But the existing wiper motor still has the problems of easy creep of motor shaft, poor stability of shaft and low overall strength.

[0003] Therefore, it is very necessary to invent a kind of anti-creep wiper motor. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a kind of anti-creep wiper motor to solve the problems of the existing wiper motor, such as easy creep of motor shaft, poor stability of shaft and low overall strength. A kind of anti-creep wiper motor, including motor, connecting cover, gear shaft box, gear shaft box cover, bearing seat, bearing cover and output shaft, wherein: connecting cover is fixedly installed at one end of motor, and gear shaft box is installed on connecting cover, gear shaft box cover is fixedly installed on gear shaft box and fixedly installed in the interior of vehicle body;The bearing seat is fixedly installed on the surface of gear shaft box cover, and the bearing cover is fixedly installed on the surface of bearing seat, and the output shaft is engaged with the gear shaft in the interior of gear shaft box and extends outward after passing through the bearing in the interior of bearing seat.

[0005] The gear shaft box cover includes a lid main body, a vehicle body connecting hole, an outer side protection wall and a anti-dropping pressure cover, and the lid main body is fixedly installed on the gear shaft box, and the vehicle body connecting hole is opened on the outer side of the lid main body;The outer side protection wall is fixedly installed on the outer side of the vehicle body connecting hole, and the anti-dropping pressure cover is fixedly installed on the surface of the outer side protection wall.

[0006] The output shaft includes a shaft body, a limiting node, a limiting pressure cover, a stable bearing and a pulling support rod, and the shaft body is engaged with the gear shaft in the interior of gear shaft box and extends outward after passing through the bearing in the interior of bearing seat;The limiting node is fixedly installed on the outer side of one end of the shaft body, and the limiting pressure cover is fixedly installed on the top end of the shaft body, and the outer ring of the stable bearing is fixedly installed on the outer surface of the shaft body;The inner ring of the stable bearing is fixedly installed on the bearing cover through the pulling support rod.

[0007] The pinion shaft cover is used in cooperation with the pinion shaft box to protect the pinion shaft inside it; the cover body is made of a stainless steel metal structure, and the cover body extends outwardly three ears, and the ears on the outside of the cover body are provided with a vehicle body connecting hole; the vehicle body connecting hole is fixed with the vehicle body through a bolt, and the bottom of the anti-escape pressure cover is provided with a protrusion, the protrusion of the bottom of the anti-escape pressure cover is in contact with the bolt and is pressed downward, and has the following effects: ① protecting the internal components of the pinion shaft box: the pinion shaft cover is installed on the pinion shaft box, and the pinion shaft and other transmission components are enclosed inside to prevent dust, moisture and sundries from entering, and to ensure the normal operation of the motor; ② providing fixed support: the pinion shaft cover is used in cooperation with the pinion shaft box through the cover body, and is fixed with the vehicle body through the vehicle body connecting hole, to ensure that the pinion shaft box is stably installed and does not loosen or shift; ③ enhancing the anti-escape function: the outside protective wall on the pinion shaft cover and the anti-escape pressure cover provide additional fixing effect, and the protrusion at the bottom of the anti-escape pressure cover is in contact with the bolt to form a downward pressure on the bolt, further preventing loosening and improving the stability of the overall structure.

[0008] The bearing seat is made of a metal structure, and a circular hole is arranged in the bearing seat, and a support bearing is arranged in the circular hole; the support bearing in the bearing seat supports the output shaft, and has the following effects: ① providing high-strength fixed support: the bearing seat is made of a metal structure, and the support bearing is fixed by a precisely processed circular hole, so that the output shaft can be reliably supported in the radial and axial directions, and the shaking or shifting phenomenon caused by external force is avoided; ② cooperating with the bearing cover to enhance the limiting effect: the bearing cover is fixedly installed on the surface of the bearing seat and is used in cooperation with the stable bearing to form a double protection structure, thereby further enhancing the positioning ability of the output shaft and preventing it from shifting or tilting forward and backward.

[0009] The output shaft is made of a steel metal shaft, and a gap for installing the wiper drive frame is left between the limiting node and the limiting pressure cover, and the gap between the limiting node and the limiting pressure cover is matched with the wiper drive frame; the stable bearing is a group of thrust cylindrical roller bearings, and the stable bearing cannot reciprocate or move forward and backward through the support of the pulling support rod, and has the following effects: ① transmitting power: the output shaft is engaged with the pinion shaft inside the pinion shaft box to transmit the rotating power of the motor to the wiper drive frame, so that the wiper completes the predetermined swinging action; ② preventing axial shifting: the output shaft is provided with a limiting node and a limiting pressure cover, and the two form an accurate positioning structure, so that the shaft body does not shift in the axial direction during operation, thereby ensuring the working stability of the wiper; ③ improving the rotation accuracy: the outer ring of the stable bearing is fixed on the outer surface of the shaft body, and the inner ring is fixed on the bearing cover through the pulling support rod to form a rigid support, thereby effectively preventing the output shaft from swinging or shifting and improving the transmission accuracy; ④ adapting to the wiper drive frame: a gap for installing the wiper drive frame is left between the limiting node and the limiting pressure cover, so that the drive frame can be stably installed, and at the same time, the wiper drive frame is prevented from loosening or shifting due to axial shifting during operation.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. The utility model discloses a gear shaft box cover setting has the following effect, ① protects the internal component of gear shaft box:

[0012] Gear shaft box cover installs on the gear shaft box, and the gear shaft and other transmission parts are closed inside, prevent dust, moisture and sundries from entering, guarantee the normal operation of motor;② provide fixed support:

[0013] Gear shaft box cover is used with gear shaft box through cover main part, and is fixed with the car body through the car body connecting hole, ensure that gear shaft box is firmly installed, does not occur loose or displacement;③ strengthen anti -drop function: the outside protective wall on gear shaft box cover and anti -drop pressure cap provide additional fixed effect, wherein the lug of anti -drop pressure cap bottom and bolt contact, form the downward pressure to bolt, prevent loosening further, improve the stability of overall structure.

[0014] 2. The utility model discloses a bearing seat setting has the following effect, ① provide high -strength fixed support:

[0015] Bearing seat adopts metal structure, and fixed support bearing through the round hole of precision machining, make output shaft can obtain reliable support in radial and axial, avoid the phenomenon of wobble or run due to external force effect;② cooperate bearing cover and enhance the limiting effect: bearing cover is fixedly installed on the surface of bearing seat, and is used with stable bearing, forms double -layer protective structure, further enhances the positioning ability of output shaft, prevents its forward and backward run or inclination.

[0016] 3. The utility model discloses an output shaft setting has the following effect, ① power transmission: the output shaft is engaged with the gear shaft in the gear shaft box, and the rotating power of the motor is transmitted to the wiper drive frame, so that the wiper completes the predetermined swing action;② prevent axial run: the output shaft is provided with a limiting node and a limiting gland, and an accurate positioning structure is formed between the two, so that the shaft body does not displace in the running process, ensuring the working stability of the wiper;③ improve the rotation accuracy: the outer ring of the stable bearing is fixed on the outer surface of the shaft body, and the inner ring is fixed on the bearing cover through the pulling support rod, forming a rigid support, effectively preventing the wiper from swinging or running, and improving the transmission accuracy;④ adapt to the wiper drive frame: a gap is left between the limiting node and the limiting gland for installing the wiper drive frame, so that the drive frame can be stably installed, and the wiper drive frame is prevented from loosening or displacement due to axial run during operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model.

[0018] Figure 2 It is the enlarged view of A of the utility model.

[0019] Figure 3 This is an enlarged view of section B of this utility model.

[0020] In the picture:

[0021] 1. Motor; 2. Connecting cover; 3. Gearbox; 4. Gearbox cover; 41. Cover body; 42. Car body connecting hole; 43. Outer protective wall; 44. Anti-detachment pressure cover; 5. Bearing seat; 6. Bearing cover; 7. Output shaft; 71. Shaft body; 72. Limiting node; 73. Limiting pressure cover; 74. Stabilizing bearing; 75. Pulling rod. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0023] As attached Figure 1 To be continued Figure 3 As shown.

[0024] This utility model provides an anti-slip wiper motor, comprising a motor 1, a connecting cover 2, a gearbox 3, a gearbox cover 4, a bearing seat 5, a bearing cover 6, and an output shaft 7. The connecting cover 2 is fixedly installed at one end of the motor 1, and the gearbox 3 is installed on the connecting cover 2. The gearbox cover 4 is fixedly installed on the gearbox 3 and is fixedly installed inside the vehicle body. The bearing seat 5 is fixedly installed on the surface of the gearbox cover 4, and the bearing cover 6 is fixedly installed on the surface of the bearing seat 5. The output shaft 7 meshes with the gear inside the gearbox 3 and extends outward after passing through the bearing inside the bearing seat 5.

[0025] The gearbox cover 4 includes a cover body 41, a vehicle body connection hole 42, an outer protective wall 43, and an anti-detachment pressure cover 44. The cover body 41 is fixedly installed on the gearbox 3, and the vehicle body connection hole 42 is opened on the outer side of the cover body 41. The outer protective wall 43 is fixedly installed on the outer side of the vehicle body connection hole 42, and the anti-detachment pressure cover 44 is fixedly installed on the surface of the outer protective wall 43.

[0026] The output shaft 7 includes a shaft body 71, a limiting node 72, a limiting cover 73, a stabilizing bearing 74, and a pulling rod 75. The shaft body 71 meshes with the gear shaft inside the gearbox 3 and extends outward after passing through the bearing inside the bearing seat 5. The limiting node 72 is fixedly installed on the outer side of one end of the shaft body 71, and the limiting cover 73 is fixedly installed on the top end of the shaft body 71. The outer ring of the stabilizing bearing 74 is fixedly installed on the outer surface of the shaft body 71. The inner ring of the stabilizing bearing 74 is fixedly installed on the bearing cover 6 by the pulling rod 75.

[0027] The gearbox cover 4 works in conjunction with the gearbox 3 to protect the gear inside; the cover body 41 is made of stainless steel and has three ears extending outwards. The ears on the outer side of the cover body 41 are provided with a vehicle body connection hole 42; the vehicle body connection hole 42 is fixed to the vehicle body by bolts, and the bottom of the anti-detachment cover 44 is provided with a protrusion. The protrusion at the bottom of the anti-detachment cover 44 contacts the bolt and presses it downwards.

[0028] The bearing housing 5 is a metal structure, and there is a round hole inside the bearing housing 5, in which a support bearing is installed. The support bearing inside the bearing housing 5 supports the output shaft 7.

[0029] The output shaft 7 is a steel metal shaft, and there is a gap between the limiting node 72 and the limiting cover 73 for mounting the wiper drive frame. The gap between the limiting node 72 and the limiting cover 73 matches the wiper drive frame. The stabilizing bearing 74 is a set of thrust cylindrical roller bearings, and the stabilizing bearing 74 cannot swing back and forth or move forward and backward due to the support of the pull rod 75.

[0030] Compared to existing technologies, this anti-slip wiper motor has the following significant advantages, especially in preventing slippage, improving stability, and enhancing durability:

[0031] 1. Axial anti-movement design to improve stability: The combination design of limit node 72 and limit cover 73 effectively prevents the output shaft 7 from axial displacement when running at high speed, making the wiper swing more precise.

[0032] The dual support structure of the stabilizing bearing 74 and the pull rod 75 further restricts unnecessary movement of the output shaft 7 in the radial and axial directions, improving the overall anti-slip capability.

[0033] 2. Optimized structure and enhanced durability: The gearbox cover 4 works in conjunction with the gearbox 3 to form a closed gearbox protection structure, which effectively prevents external environmental factors such as dust and rain from corroding the gearbox and extends the service life of the equipment.

[0034] The bearing housing 5 is made of metal, and the internal support bearing can reduce the stress and wear on the bearing and improve the long-term reliability of the wiper.

[0035] 3. Anti-detachment structure enhances safety: The structural design of the anti-detachment pressure cover 44 and the vehicle body connection hole 42 allows the equipment to be installed more securely on the vehicle body, preventing loosening caused by long-term vibration or external impact, and improving driving safety.

[0036] 4. Adaptable to various working conditions and smoother operation: The stabilizing bearing 74, which adopts a thrust cylindrical roller bearing, can better withstand the reciprocating oscillation impact of the wiper blades compared to traditional ball bearings, ensuring that it is not easily damaged during long-term use.

[0037] The reserved installation gap between the limiting node 72 and the limiting cover 73 can be adapted to wiper drive brackets of different specifications, enhancing the adaptability of the equipment and meeting the needs of different vehicle models.

[0038] 5. Convenient assembly and maintenance, reducing costs: The modular design allows for independent disassembly of components such as the gearbox 3, gearbox cover 4, and bearing seat 5, resulting in lower replacement and maintenance costs and reducing the risk of the entire machine being scrapped due to damage to a single component.

[0039] The use of standardized bolt fixing methods allows for rapid assembly and improves production efficiency.

[0040] Summarize

[0041] This equipment surpasses existing technologies in terms of anti-slip capability, durability, safety, stable operation, and ease of maintenance. It is particularly suitable for windshield wiper systems with high-strength and high-precision requirements, and can effectively improve the service life and operational reliability of windshield wipers.

[0042] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. A windshield wiper motor with anti-slip movement, characterized in that: The device includes a motor (1), a connecting cover (2), a gearbox (3), a gearbox cover (4), a bearing housing (5), a bearing cover (6), and an output shaft (7), wherein: the connecting cover (2) is fixedly installed on one end of the motor (1), and the gearbox (3) is installed on the connecting cover (2), the gearbox cover (4) is fixedly installed on the gearbox (3), and is fixedly installed inside the vehicle body; the bearing housing (5) is fixedly installed on the surface of the gearbox cover (4), and the bearing cover (6) is fixedly installed on the surface of the bearing housing (5), the output shaft (7) meshes with the gear shaft inside the gearbox (3), and extends outward after passing through the bearing inside the bearing housing (5).

2. The anti-slip wiper motor as described in claim 1, characterized in that: The gearbox cover (4) includes a cover body (41), a vehicle body connection hole (42), an outer protective wall (43), and an anti-detachment pressure cover (44). The cover body (41) is fixedly installed on the gearbox (3), and the vehicle body connection hole (42) is opened on the outside of the cover body (41). The outer protective wall (43) is fixedly installed on the outside of the vehicle body connection hole (42), and the anti-detachment pressure cover (44) is fixedly installed on the surface of the outer protective wall (43).

3. The anti-slip wiper motor as described in claim 1, characterized in that: The output shaft (7) includes a shaft body (71), a limiting node (72), a limiting cover (73), a stabilizing bearing (74), and a pulling rod (75). The shaft body (71) meshes with the gear shaft inside the gearbox (3) and extends outward after passing through the bearing inside the bearing seat (5). The limiting node (72) is fixedly installed on the outer side of one end of the shaft body (71), and the limiting cover (73) is fixedly installed on the top end of the shaft body (71). The outer ring of the stabilizing bearing (74) is fixedly installed on the outer surface of the shaft body (71). The inner ring of the stabilizing bearing (74) is fixedly installed on the bearing cover (6) by the pulling rod (75).

4. The anti-slip wiper motor as described in claim 2, characterized in that: The gearbox cover (4) is used in conjunction with the gearbox (3) to protect the gear inside; the cover body (41) is made of stainless steel metal structure, and the cover body (41) extends outward with three ears, and the ears on the outside of the cover body (41) are provided with vehicle body connection holes (42); the vehicle body connection holes (42) are fixed to the vehicle body by bolts, and the bottom of the anti-detachment cover (44) is provided with a protrusion, and the protrusion at the bottom of the anti-detachment cover (44) contacts the bolt and presses it down.

5. The anti-slip wiper motor as described in claim 1, characterized in that: The bearing housing (5) adopts a metal structure, and a circular hole is provided inside the bearing housing (5), and a support bearing is provided inside the bearing housing (5). The support bearing inside the bearing housing (5) supports the output shaft (7).

6. The anti-slip wiper motor as described in claim 3, characterized in that: The output shaft (7) is a steel metal shaft, and there is a gap between the limiting node (72) and the limiting cover (73) for installing the wiper drive frame. The gap between the limiting node (72) and the limiting cover (73) matches the wiper drive frame. The stabilizing bearing (74) is a set of thrust cylindrical roller bearings, and the stabilizing bearing (74) cannot swing back and forth or move forward and backward due to the support of the pull rod (75).

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