CN217508418U

CN217508418U - Wiper motor shield

Info

Publication number: CN217508418U
Application number: CN202122296560.4U
Authority: CN
Inventors: 潘佳鹏
Original assignee: Changzhou Huajia Mould Co ltd
Current assignee: Changzhou Huajia Mould Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-09-27
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the technical field of automobile interior parts, in particular to a wiper motor shield, which solves the defects that external dust and the like easily enter the interior of the shield through vent holes and the vibration of the motor generates larger noise in the prior art, and comprises a shield body, a wiper motor and first mounting parts arranged at two sides of the bottom end of the shield body, wherein the side wall of the shield body is uniformly provided with the first vent holes in a penetrating way, the inner side wall of the shield body is provided with an inner shell in a sliding way, second vent holes corresponding to the first vent holes are uniformly arranged on the inner shell in a penetrating way, one side of the interior of the shield body is provided with a driving component, one side of the inner shell far away from the driving component is provided with a resetting component, one side of the shield body far away from the driving component is provided with a limiting seat, and the automatic opening and closing of the vent holes can be realized according to the use condition of the wiper motor, the dustproof heat dissipation effect is good, extra power is not needed, and the dustproof heat dissipation device is more energy-saving and environment-friendly.

Description

Wiper motor shield

Technical Field

The utility model relates to an automotive interior spare technical field specifically is windscreen wiper motor guard shield.

Background

The windscreen wiper is a sheet type structure arranged in front of a windshield, consists of a motor, a speed reducer, a four-bar mechanism, a wiper arm mandrel, a wiper blade assembly and the like, and mainly has the function of sweeping rain, snow and dust which obstruct the view on the windshield. During assembly, a protective cover is required to be arranged on the outer side of the motor to protect the motor.

Wiper motor shields generally suffer from the following problems:

(1) in order to facilitate the heat dissipation of the motor, the protective cover is required to be provided with the vent holes, so that external dust can easily enter the protective cover to influence the heat dissipation of the motor and the work of internal electronic elements;

(2) the vibration of the motor during operation may produce great noise, and stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a windscreen wiper motor guard shield to the outside dust that proposes among the solution above-mentioned background art etc. easily get into the inside vibration production great noise problem with the motor of guard shield through the ventilation hole.

In order to achieve the above object, the utility model provides a following technical scheme: windscreen wiper motor guard shield, including guard shield body, windscreen wiper motor and the first installation department that sets up guard shield body bottom both sides, evenly run through on the lateral wall of guard shield body and be provided with first ventilation hole, it is provided with the inner shell to slide on the inside wall of guard shield body, and evenly run through on the inner shell and be provided with the second ventilation hole that corresponds each other with first ventilation hole, the inside one side of guard shield body is provided with drive assembly, and drive assembly drive inner shell slides on the inside wall of guard shield body, one side that drive assembly was kept away from to the inner shell is provided with reset assembly, one side that drive assembly was kept away from to the guard shield body is provided with spacing seat.

Preferably, drive assembly includes driving-disc, driving block, second elastic support piece, location sleeve and driven piece, the driving-disc rotates and sets up on the inside wall of shield body, location sleeve sets up the center department of keeping away from inner shell one end at the driving-disc, and location sleeve extends to the outside of shield body, the center that uses the driving-disc on the driving-disc periphery wall is the cyclic annular mounting groove that is provided with of centre of a circle, the driving block slides through second elastic support piece and sets up the inside at the mounting groove, the driven piece sets up the one end that is close to the driving-disc at the inner shell, and the relative one end of driven piece and driving piece all is provided with the direction inclined plane that is parallel to each other.

Preferably, the centers of the driving disc and the positioning sleeve are provided with through holes communicated with each other in a penetrating manner, and the inner side wall of each through hole is provided with a first elastic cushion pad.

Preferably, the positioning sleeve is fixedly connected with a rotating shaft of the wiper motor through a bolt.

Preferably, the reset assembly comprises a first elastic supporting piece and a top plate, the top plate is arranged at one end, away from the driving assembly, of the inner shell, the first elastic supporting piece and the top plate are fixedly connected with one end, away from the inner shell, of the top plate, and the other side of the first elastic supporting piece is fixedly connected with the inner side wall of the shield body.

Preferably, the limiting seat is of a groove-shaped structure matched with the wiper motor, one side of the limiting seat extends into the shield body, and the other side of the limiting seat is provided with a second installation part fixedly connected with the shield body.

Preferably, be provided with second elastic buffer on the inside wall of spacing seat, wiper motor's shell body extends to the inside of spacing seat and mutually supports with second elastic buffer.

Compared with the prior art, the beneficial effects of the utility model are that: the wiper motor shield

(1) The inner shell is arranged on the inner side wall of the shield body, the shield body and the inner shell are respectively provided with the first ventilation hole and the second ventilation hole which correspond to each other, the two sides of the inner shell are respectively provided with the driving assembly and the reset assembly, the wiper motor is arranged in the shield body, when the wiper motor works, the power of the wiper motor and the driving assembly drive the inner shell to slide along the inner side wall of the shield body, so that the first ventilation hole and the second ventilation hole are superposed, the heat dissipation of the wiper motor is facilitated, when the wiper motor does not work, the inner shell is reset under the action of the reset assembly, the first ventilation hole and the second ventilation hole are staggered, the external dust is prevented from entering the inner part of the shield body, and meanwhile, additional power is not needed, so that the wiper motor is more energy-saving and environment-friendly;

(2) through set up first elastic cushion on the inside wall at the position sleeve, set up second elastic cushion on the inside wall of spacing seat, during the installation wiper motor, can absorb the energy of part wiper motor during operation vibration, noise abatement's production improves the stability of motor.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the driving plate of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a shield body; 101. a first vent hole; 2. an inner shell; 201. a second vent hole; 3. a reset assembly; 301. a first elastic support member; 302. a top plate; 4. a drive assembly; 401. a drive disc; 4011. mounting grooves; 402. a drive block; 403. a second elastic support member; 404. a positioning sleeve; 4041. a first resilient cushion; 405. a driven block; 5. a limiting seat; 501. a second mounting portion; 6. a second resilient cushion; 7. a first mounting portion; 8. a wiper motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "first", "second", etc. are used for descriptive purposes only, and not for purposes of particularly referring to the order or sequence, nor are they intended to limit the present invention, which is used merely for distinguishing between components or operations described in the same technical terms, and is not to be construed as indicating or implying any relative importance or implied number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. To the extent that the term "includes" and any variations thereof are used in either the detailed description or the claims, as well as the appended drawings, this is intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment of: the wiper motor shield comprises a shield body 1, a wiper motor 8 and first installation parts 7 arranged on two sides of the bottom end of the shield body 1, wherein the shield body 1 is of a cylindrical structure, the wiper motor 8 is horizontally arranged in the shield body 1, first ventilation holes 101 are uniformly formed in the side wall of the shield body 1 in a penetrating manner, an inner shell 2 is arranged on the inner side wall of the shield body 1 in a sliding manner, second ventilation holes 201 corresponding to the first ventilation holes 101 are uniformly formed in the inner shell 2 in a penetrating manner, slide rails are uniformly arranged on the outer peripheral wall of the inner shell 2 along the axial direction of the inner shell, slide grooves matched with the slide rails are uniformly arranged on the inner side wall of the shield body 1, a driving assembly 4 is arranged on one side of the inner part of the shield body 1, the driving assembly 4 drives the inner shell 2 to slide on the inner side wall of the shield body 1 along the axial direction of the inner shell, and the driving assembly 4 comprises a driving disc 401, a driving block 402 and second elastic supporting pieces 403, Positioning sleeve 404 and driven block 405, driving disc 401 is rotatably disposed on the inner side wall of shield body 1, driving disc 401 is of a disc structure, positioning sleeve 404 is disposed at the center of one end of driving disc 401 far away from inner shell 2, and positioning sleeve 404 extends to the outside of shield body 1, the centers of driving disc 401 and positioning sleeve 404 are provided with through holes communicated with each other in a penetrating manner, and a first elastic cushion 4041 is disposed on the inner side wall of the through hole, first elastic cushion 4041 can be a rubber pad and plays a role in buffering and damping, positioning sleeve 404 is fixedly connected with the rotating shaft of wiper motor 8 through a bolt, mounting groove 4011 is annularly disposed on the outer peripheral wall of driving disc 401 with the center of driving disc 401 as the center of circle, driving block 402 is slidably disposed inside mounting groove 4011 through second elastic support 403, second elastic support 403 can be a spring, driven block 405 is disposed at one end of inner shell 2 close to driving disc 401, the driven block 405 is a ring structure, and the opposite ends of the driven block 405 and the driving block 402 are both provided with guide slopes parallel to each other, when assembling, the rotating shaft of the wiper motor 8 passes through the central through holes of the driving disc 401 and the positioning sleeve 404, extends to the outside of the shield body 1, and is fixedly connected with the positioning sleeve 404 through bolts, when the wiper motor 8 works, the rotating shaft rotates to drive the positioning sleeve 404 and the driving disc 401 to synchronously rotate, the driving block 402 slides to one side close to the driven block 405 inside the mounting groove 4011 under the action of centrifugal force, the guide slope of the driving block 402 slides on the guide slope of the driven block 405 to push the inner shell 2 to slide along the inner side wall of the shield body 1, so that the first ventilation hole 101 and the second ventilation hole 201 are gradually overlapped, thereby facilitating the heat dissipation of the wiper motor 8, no additional power is needed, and the energy saving and environmental protection are achieved, when the wiper motor 8 stops working, the centrifugal force applied to the driving block 402 disappears, and the driving block 402 is reset under the elastic action of the second elastic supporting member 403;

the reset assembly 3 is arranged on one side, far away from the driving assembly 4, of the inner shell 2, the reset assembly 3 comprises a first elastic supporting piece 301 and a top plate 302, the top plate 302 is arranged at one end, far away from the driving assembly 4, of the inner shell 2, the first elastic supporting pieces 301 and one ends, far away from the inner shell 2, of the top plate 302 are fixedly connected, the other sides of the first elastic supporting pieces 301 are fixedly connected with the inner side wall of the shield body 1, the first elastic supporting pieces 301 can be springs, when the wiper motor 8 is not operated, the first elastic supporting pieces 301 exert an acting force on the top plate 302 and the inner shell 2 to enable the first ventilation holes 101 and the second ventilation holes 201 to be mutually staggered, and the shield body 1 is in a sealed state;

one side of the shield body 1, which is far away from the driving component 4, is provided with a limiting seat 5, the limiting seat 5 is of a groove-shaped structure matched with the wiper motor 8, one side of the limiting seat 5 extends to the inside of the shield body 1, the inner side wall of the limiting seat 5 is provided with a second elastic buffer cushion 6, the second elastic buffer cushion 6 can be a rubber pad, the outer shell of the wiper motor 8 extends to the inside of the limiting seat 5 and is abutted against the second elastic buffer cushion 6, the other side of the limiting seat 5 is provided with a second installation part 501, the second installation part 501 is fixedly connected with the shield body 1, the limiting seat 5 is inserted into the shield body 1 after the wiper motor 8 is inserted into the inside of the shield body 1 and is fixed, and the second elastic buffer cushion 6 can reduce the noise generated when the wiper motor 8 vibrates during operation.

The working principle is as follows: during installation, the wiper motor 8 is inserted into the interior of the shield body 1, the rotating shaft on one side of the wiper motor 8 is inserted into the interior of the positioning sleeve 404 and is fixedly connected with the positioning sleeve 404 through bolts, then the limiting seat 5 is inserted into the interior of the shield body 1, the outer side wall of the wiper motor 8 is abutted against the second elastic buffer 6 in the interior of the limiting seat 5, the energy of vibration of a part of the wiper motor 8 can be absorbed, noise is reduced, finally the second installation part 501 is fixedly connected with the shield body 1 through bolts, when the wiper motor 8 is not operated, the first ventilation hole 101 and the second ventilation hole 201 are staggered mutually, the shield body 1 is in a sealed state, when the wiper motor 8 is operated, the rotating shaft rotates to drive the positioning sleeve 404 and the driving disk 401 to synchronously rotate, the driving block 402 slides to one side close to the driven block 405 in the interior of the installation groove 4011 under the action of centrifugal force, the direction inclined plane of drive block 402 slides on the direction inclined plane of driven piece 405, it slides along the inside wall of shield body 1 to promote inner shell 2, the roof 302 of inner shell 2 one end compresses first elastic support piece 301, first ventilation hole 101 and second ventilation hole 201 coincide gradually, the circulation of the air of being convenient for, thereby be convenient for the heat dissipation of wiper motor 8, when wiper motor 8 stops working, the centrifugal force that drive block 402 received disappears, drive block 402 resets under the elastic action of second elastic support piece 403, inner shell 2 also resets under the elastic action of first elastic support piece 301, first ventilation hole 101 and second ventilation hole 201 get back to the state of initial mutual dislocation, avoid external dust to get into the inside of shield body 1, barrier propterty is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Wiper motor guard shield includes guard shield body (1), wiper motor (8) and sets up first installation department (7) of guard shield body (1) bottom both sides, its characterized in that: evenly run through on the lateral wall of guard shield body (1) and be provided with first ventilation hole (101), it is provided with inner shell (2) to slide on the inside wall of guard shield body (1), and evenly runs through on inner shell (2) and be provided with second ventilation hole (201) that correspond each other with first ventilation hole (101), the inside one side of guard shield body (1) is provided with drive assembly (4), and drive assembly (4) drive inner shell (2) slide on the inside wall of guard shield body (1), one side that drive assembly (4) were kept away from in inner shell (2) is provided with reset assembly (3), one side that drive assembly (4) were kept away from in guard shield body (1) is provided with spacing seat (5).

2. The wiper motor guard according to claim 1, characterized in that: the drive assembly (4) comprises a drive disc (401), a drive block (402), a second elastic support (403), a positioning sleeve (404) and a driven block (405), the driving disc (401) is rotationally arranged on the inner side wall of the shield body (1), the positioning sleeve (404) is arranged at the center of one end of the driving disc (401) far away from the inner shell (2), and the positioning sleeve (404) extends to the outside of the shield body (1), the outer peripheral wall of the driving disc (401) is annularly provided with a mounting groove (4011) by taking the center of the driving disc (401) as a circle center, the driving block (402) is arranged inside the mounting groove (4011) in a sliding way through a second elastic supporting piece (403), the driven block (405) is arranged at one end of the inner shell (2) close to the driving disc (401), and the opposite ends of the driven block (405) and the driving block (402) are provided with guide inclined planes which are parallel to each other.

3. The wiper motor guard of claim 2, characterized in that: the centers of the driving disc (401) and the positioning sleeve (404) are provided with through holes communicated with each other in a penetrating manner, and the inner side wall of each through hole is provided with a first elastic buffer cushion (4041).

4. The wiper motor guard of claim 2, characterized in that: the positioning sleeve (404) is fixedly connected with a rotating shaft of the wiper motor (8) through a bolt.

5. The wiper motor guard of claim 1, characterized in that: reset subassembly (3) including first elastic support piece (301) and roof (302), roof (302) set up the one end of keeping away from drive assembly (4) in inner shell (2), and are a plurality of the one end fixed connection of inner shell (2) is kept away from with roof (302) first elastic support piece (301), the opposite side of first elastic support piece (301) and the inside wall fixed connection of shield body (1).

6. The wiper motor guard of claim 1, characterized in that: the limiting seat (5) is of a groove-shaped structure matched with the wiper motor (8), one side of the limiting seat (5) extends into the shield body (1), the other side of the limiting seat (5) is provided with a second installation part (501), and the second installation part (501) is fixedly connected with the shield body (1).

7. The wiper motor guard according to claim 6, characterized in that: be provided with second elastic buffer (6) on the inside wall of spacing seat (5), the shell body of wiper motor (8) extends to the inside of spacing seat (5) and with second elastic buffer (6) mutual butt.