Waterproof wiper motor

Abstract

According to the technical scheme, the waterproof wiper motor is characterized in that the waterproof wiper motor comprises a motor base and a worm wheel base which are integrally arranged, a motor cavity is formed in the motor base, a worm wheel cavity is formed in the worm wheel base, and the motor cavity and the worm wheel cavity are communicated; the upper end of the motor base and the upper end of the worm wheel base are each detachably provided with a cover plate, an abutting edge is arranged in the motor cavity, an abutting cylinder is detachably installed in the worm wheel cavity, the abutting edge and the abutting cylinder are each provided with an abutting table and a sealing piece, and the lower end of each cover plate is provided with a limiting protruding edge. The limiting convex edge pushes and presses the sealing piece to form sealing; and a notch is formed in one side of the abutting cylinder. The waterproof wiper motor can improve the waterproof effect in the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor equipment field, more specifically, it relates to a waterproof wiper motor. BACKGROUND

[0002] The wiper motor is an electromagnetic device for converting electrical energy into mechanical energy and is a key component of the automobile wiper system. The wiper motor is driven by a motor, and the rotary motion of the motor is converted into the reciprocating motion of the wiper arm through a linkage mechanism (such as a connecting rod mechanism), thereby realizing the wiper action. After the motor is turned on, the wiper can start working. By selecting high and low speed gears, the current of the motor can be changed, thereby controlling the motor speed and further controlling the swing speed of the wiper arm.

[0003] During use, the wiper motor is prone to be in a rainy environment, and the existing waterproof structure only adopts a protective pad ring design. During the driving of the automobile, the automobile is prone to jolt, and rainwater may seep in. Therefore, the waterproof performance of the wiper motor needs to be further optimized. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a waterproof wiper motor which can improve the waterproof effect in the shell.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waterproof wiper motor comprising a motor seat and a worm wheel seat arranged integrally, a motor cavity being arranged in the motor seat, a worm wheel cavity being arranged in the worm wheel seat, and the motor cavity and the worm wheel cavity being arranged in communication;

[0006] The upper ends of the motor seat and the worm wheel seat are detachably installed with a cover plate, an abutting edge is arranged in the motor cavity, an abutting cylinder is detachably installed in the worm wheel cavity, an abutting table and a sealing element are arranged on the abutting edge and the abutting cylinder, and a limiting convex edge is arranged at the lower end of the cover plate. When the cover plate is installed on the motor seat and the worm wheel seat, the limiting convex edge pushes and presses the sealing element to form a seal.

[0007] A notch is arranged on one side of the abutting cylinder.

[0008] The utility model is further provided as follows: a drive motor, a worm, a worm wheel, a transmission gear and a drive rod are arranged in the motor cavity and the worm wheel cavity, the drive motor is connected with the worm, and both are installed in the motor seat;

[0009] The transmission gear is respectively in transmission connection with the worm wheel and the drive rod, and both are installed in the worm wheel seat;

[0010] The worm is arranged in meshing with the worm wheel.

[0011] The utility model further sets up: the middle part of worm wheel seat is provided with the installation groove for the installation of drive rod, the part of drive rod is provided with two groups of oil bearing in installation groove.

[0012] The utility model further sets up: one end of motor seat is provided with connecting hole, the connecting hole can detachably install with sheath, one end of sheath is provided with threaded portion, and the other end is provided with operating part.

[0013] The utility model further sets up: operating part is provided with friction line and screw groove.

[0014] The utility model further sets up: the connecting hole is provided with sealing platform, the middle part of sheath is provided with abutment, and the diameter length size of abutment gradually increases from threaded portion to operating part.

[0015] The utility model further sets up: the lower end of abutment cylinder is provided with limit block, and limit block is provided with L-shaped structure.

[0016] Worm wheel seat is provided with sliding slot and limit hole, and the limit hole is communicated with one end of sliding slot, and limit block can be inserted into limit hole along sliding slot.

[0017] The utility model further sets up: limit block and sliding slot and limit hole are provided with multiple groups.

[0018] The utility model further sets up: limit hole is provided with rubber layer.

[0019] Summarized above, the utility model has the following beneficial effects: utilize the design of abutment along and abutment cylinder, when cover plate is installed on motor seat and worm wheel seat, limit convex along can respectively with the abutment along, abutment cylinder on abutment platform is pasted, thereby extruding sealing element and forming sealing effect. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of waterproof wiper motor;

[0021] Figure 2 It is the structure schematic diagram of motor cavity and worm wheel cavity;

[0022] Figure 3 It is the three-dimensional structure schematic diagram of motor seat and worm wheel seat;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of abutment cylinder;

[0024] Figure 5 It is the three-dimensional structure schematic diagram of cover plate;

[0025] Figure 6A perspective view of the structure of the driving gear and the driving rod;

[0026] Figure 7 A perspective view of the structure of the sheath.

[0027] Reference signs: 1, motor base; 11, motor cavity; 12, connecting hole; 13, sealing table; 2, worm base; 21, worm cavity; 22, mounting groove; 23, oil-containing bearing; 24, sliding groove; 3, cover plate; 31, limiting convex edge; 4, abutting edge; 5, abutting cylinder; 51, abutting table; 52, notch; 53, limiting block; 6, transmission gear; 61, driving rod; 7, sheath; 71, threaded part; 72, operating part; 721, friction thread; 722, screw groove; 73, abutting part. DETAILED DESCRIPTION

[0028] The utility model is further explained in detail below in combination with the drawings and examples. Identical parts are denoted by identical reference signs. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0029] Referring to Figures 1 to 7 To achieve the above object, the utility model provides the following technical scheme: a waterproof wiper motor, comprising a motor base 1 and a worm base 2 which are integrally arranged, a motor cavity 11 is arranged in the motor base 1, a worm cavity 21 is arranged in the worm base 2, and the motor cavity 11 and the worm cavity 21 are communicatively arranged;

[0030] The upper end of the motor base 1 and the upper end of the worm base 2 are detachably mounted with a cover plate 3, an abutting edge 4 is arranged in the motor cavity 11, an abutting cylinder 5 is detachably mounted in the worm cavity 21, an abutting table 51 and a sealing element are arranged on the abutting edge 4 and the abutting cylinder 5, and the lower end of the cover plate 3 is provided with a limiting convex edge 31; when the cover plate 3 is mounted on the motor base 1 and the worm base 2, the limiting convex edge 31 pushes and presses the sealing element to form a seal;

[0031] One side of the abutting cylinder 5 is provided with a notch 52.

[0032] The design of the utility model utilizes the design of the abutting edge 4 and the abutting cylinder 5, so that when the cover plate 3 is mounted on the motor base 1 and the worm base 2, the limiting convex edge 31 can be respectively matched with the abutting tables 51 on the abutting edge 4 and the abutting cylinder 5, so as to extrude the sealing element to form a sealing effect.

[0033] As Figure 2 shown, the worm cavity 21 is arranged in a circular cavity, the motor cavity 11 is arranged in a square cavity, and the sealing element can be integrally arranged or separately arranged (one arc-shaped sealing ring and multiple sealing strips).

[0034] The notch 52 corresponds to the connection between the worm gear cavity 21 and the motor cavity 11.

[0035] Preferably, the abutment platform 51 has a groove for installing the seal, and the groove is arranged in a right-angled triangular structure.

[0036] The present invention is further configured such that: a drive motor, a worm, a worm wheel, a transmission gear 6 and a drive rod 61 are provided in the motor cavity 11 and the worm wheel cavity 21, the drive motor is connected to the worm and both are installed in the motor base 1;

[0037] The transmission gear 6 is connected to the worm gear and the drive rod 61 respectively, and both are installed in the worm gear seat 2;

[0038] The worm and worm wheel are meshed together.

[0039] The design of this structure allows the worm gear to rotate via the worm connected to it when the drive motor starts. The transmission gear 6 meshes with the inner ring of the worm gear, so when the worm gear rotates, it drives the drive rod 61 to rotate via the transmission gear 6. This structure is a conventional technical solution, and the motor, worm, and worm gear are not shown in the figure.

[0040] The present invention is further configured such that: the middle part of the worm gear seat 2 is provided with a mounting groove 22 for mounting the drive rod 61, and the part of the drive rod 61 located in the mounting groove 22 is provided with two sets of oil-impregnated bearings 23.

[0041] The design of the oil-impregnated bearing 23 can improve the stability of the rotation of the drive rod 61.

[0042] The present invention is further configured such that: one end of the motor base 1 is provided with a connecting hole 12, and a protective sleeve 7 is detachably installed in the connecting hole 12; one end of the protective sleeve 7 is provided with a threaded part 71, and the other end is provided with an operating part 72.

[0043] The operating part 72 is provided with friction texture 721 and screw groove 722. For example... Figure 1 and Figure 2 As shown, screw slot 722 can be a slotted slot.

[0044] The design of this structure allows for the removal and sealing of one end of the motor mount 1 by means of a detachable protective sleeve 7. If necessary, this area can be disassembled and lubricated to improve the ease of operation.

[0045] The present invention is further configured such that: a sealing platform 13 is provided in the connecting hole 12, and an abutment part 73 is provided in the middle of the sheath 7, the diameter and length of the abutment part 73 gradually increasing from the threaded part 71 to the operating part 72.

[0046] like Figure 3 andFigure 7 As shown, the design of the structure can abut the abutment part 73 with the sealing table 13 when the sheath 7 is installed into the connecting hole 12, thereby improving the sealing effect.

[0047] The utility model further sets up: the lower end of abutment cylinder 5 sets up limit block 53, limit block 53 is set up and presents L shape structure,

[0048] The worm wheel seat 2 is provided with a sliding groove 24 and a limiting hole, the limiting hole is in communication with one end of the sliding groove 24, and the limiting block 53 can be inserted into the limiting hole along the sliding groove 24.

[0049] The design of the structure installs the abutment cylinder 5 in the worm wheel cavity 21, so that the limiting block 53 is inserted into the sliding groove 24, and then the abutment cylinder 5 is rotated, at this time, the limiting block 53 is inserted into the bottom of the limiting hole, and at this time, the notch 52 is aligned with the motor cavity 11.

[0050] Since the limiting block 53 is inserted into the limiting hole, the limiting hole can limit the abutment cylinder 5 up and down.

[0051] The utility model further sets up: limit block 53 and sliding groove 24 and limiting hole are provided with multiple groups.

[0052] The design of the structure can improve the stability of the connection of the abutment cylinder 5.

[0053] The utility model further sets up: the limiting hole is provided with a rubber layer. The design of the structure makes the hole diameter of the limiting hole gradually decrease from the end close to the sliding groove 24 to the end away from the sliding groove 24, when the limiting block 53 is inserted into the limiting hole, the friction force of insertion can be improved, thereby avoiding the stability of the connection of the abutment cylinder 5.

[0054] Further, the worm wheel cavity 21 is provided with a screw hole at the bottom, after the limiting block 53 is inserted into the limiting hole, the limiting block 53 is fixed by installing a screw in the screw hole.

[0055] The above is only the preferred embodiment of the utility model, the protection scope of the utility model is not only limited to the above-mentioned embodiment, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model can also be regarded as the protection scope of the utility model.

Claims

1. A waterproof wiper motor characterized by: It includes a motor seat (1) and a worm wheel seat (2) arranged integrally, the motor seat (1) is provided with a motor cavity (11), the worm wheel seat (2) is provided with a worm wheel cavity (21), the motor cavity (11) and the worm wheel cavity (21) are communicated; The upper end of the motor seat (1) and the worm wheel seat (2) is detachably mounted with a cover plate (3), the motor cavity (11) is provided with an abutting edge (4), the worm wheel cavity (21) is detachably mounted with an abutting cylinder (5), the abutting edge (4) and the abutting cylinder (5) are provided with an abutting table (51) and a sealing element, the lower end of the cover plate (3) is provided with a limiting convex edge (31), when the cover plate (3) is installed on the motor seat (1) and the worm wheel seat (2), the limiting convex edge (31) pushes the sealing element to form a seal; One side of the abutting cylinder (5) is provided with a notch (52).

2. A wiper motor according to claim 1, wherein: The motor cavity (11) and the worm wheel cavity (21) are provided with a driving motor, a worm, a worm wheel, a transmission gear (6) and a driving rod (61), the driving motor is connected with the worm, and both are installed in the motor seat (1); The transmission gear (6) is respectively in transmission connection with the worm wheel and the driving rod (61), and both are installed in the worm wheel seat (2); The worm is meshed with the worm wheel.

3. A wiper motor according to claim 2, wherein: The middle part of the worm wheel seat (2) is provided with a mounting groove (22) for mounting the driving rod (61), and the part of the driving rod (61) located in the mounting groove (22) is provided with two groups of oil-containing bearings (23).

4. The waterproof wiper motor according to claim 1, wherein: One end of the motor seat (1) is provided with a connecting hole (12), the connecting hole (12) is detachably mounted with a sheath (7), one end of the sheath (7) is provided with a threaded part (71), and the other end is provided with an operating part (72).

5. A wiper motor according to claim 4, wherein: The operating part (72) is provided with a friction pattern (721) and a screw groove (722).

6. A wiper motor according to claim 4, wherein: The connecting hole (12) is provided with a sealing table (13), the middle part of the sheath (7) is provided with an abutting part (73), and the diameter of the abutting part (73) gradually increases from the threaded part (71) to the operating part (72).

7. A wiper motor according to any one of claims 1 to 6, characterized in that: The lower end of the abutting cylinder (5) is provided with a limiting block (53), and the limiting block (53) is arranged in an L-shaped structure; The worm wheel seat (2) is provided with a sliding groove (24) and a limiting hole, the limiting hole is communicated with one end of the sliding groove (24), and the limiting block (53) can be inserted into the limiting hole along the sliding groove (24).

8. A wiper motor according to claim 7, wherein: The limiting block (53), the sliding groove (24) and the limiting hole are provided with multiple groups.

9. The waterproof wiper motor according to claim 7, wherein: The limiting hole is provided with a rubber layer.

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