CN216751376U - High waterproof performance wiper motor - Google Patents
High waterproof performance wiper motor Download PDFInfo
- Publication number
- CN216751376U CN216751376U CN202123439678.4U CN202123439678U CN216751376U CN 216751376 U CN216751376 U CN 216751376U CN 202123439678 U CN202123439678 U CN 202123439678U CN 216751376 U CN216751376 U CN 216751376U
- Authority
- CN
- China
- Prior art keywords
- riveting
- pipe body
- hollow pipe
- hole
- motor
- 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
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a windshield wiper motor with high waterproof performance, which comprises a driving motor and a speed reducer, wherein the speed reducer comprises a worm gear case, the worm gear case is formed with a motor casing mounting cover part and a case casing main body, the motor casing mounting cover part covers the front end opening of a cylinder casing, the cylinder casing of the driving motor comprises a hollow pipe body which is integrally formed by cold drawing, a step-shaped notch is machined at the inner edge of one end opening of the hollow pipe body, a pair of mounting lugs with bolt holes are welded on the outer wall of the other end of the hollow pipe body, the end opening of the hollow pipe body is away from the mounting lugs by a certain distance to form an inserting front end, a tail end cover is inserted into the step-shaped notch and is fixed on the hollow pipe body by welding, an annular inserting groove is arranged on the motor casing mounting cover part, a rubber gasket is padded at the bottom of the annular inserting groove, the inserting front end of the hollow pipe body is inserted into the annular inserting groove, the inserting front end is tightly pressed on the rubber gasket, a screw hole which is correspondingly matched with the bolt hole is arranged on the motor casing mounting cover part, a fastening bolt locked and screwed in the threaded hole is inserted into the bolt hole. Has the advantages of good waterproof sealing performance and convenient processing.
Description
Technical Field
The present invention relates to a wiper motor.
Background
The wiper motor usually includes a driving motor and a speed reducer located at the rear end and enclosed in the same housing, and the speed reducer adopts a worm and gear mechanism to reduce the output rotating speed to a required rotating speed. Driving motor includes a section of thick bamboo shell, tail end lid and motor element, a section of thick bamboo shell adopts iron plate to curl, the tail end lid is riveted and is pressed and serve at a section of thick bamboo shell, the reduction gear includes the worm-gear case, apron and worm-gear mechanism, the worm-gear case shaping has motor shell installation cover portion and the case shell main part of lid on a section of thick bamboo shell port, worm-gear mechanism installs in the case shell main part, the input shaft of worm-gear mechanism and motor element's output are connected, it has the worm design that stretches into in the case shell main part to be motor element's motor shaft extension usually. The wiper motor adopts the shell of the motor formed by riveting the tail end cover at one end of the barrel shell with the curled iron plate, and the defects of poor sealing and waterproof performance and easy water leakage are not needed. Also, as in the motor case of wiper disclosed in chinese patent No. CN 201220635475.4, the motor case of wiper has a structure in which a drum shell and a tail end cover are integrally formed by press molding, and the thickness of the housing is limited, which results in the defects of difficult processing and insufficient strength.
Disclosure of Invention
The utility model aims at: in order to overcome the defects in the prior art, the utility model provides the wiper motor which has good waterproof sealing performance and is convenient to process.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a high waterproof performance wiper motor, includes driving motor and reduction gear, and driving motor includes shell, tail end lid and motor element, and shell tail end lid is equipped with the tail end lid, and the reduction gear includes worm-gear case, apron and worm-gear mechanism, and the worm-gear case shaping has motor casing installation cover portion and case shell main part, and motor casing installation cover portion covers on the preceding port of shell, its characterized in that: the barrel casing comprises an integrally cold-drawn hollow pipe body, a step-shaped notch is machined in the inner edge of one end opening of the hollow pipe body, a pair of mounting lugs with bolt holes are welded on the outer wall of the other end of the hollow pipe body, the end opening of the hollow pipe body is a certain distance away from the mounting lugs to form an inserting front end, a tail end cover is inserted into the step-shaped notch and fixed on the hollow pipe body through welding, an annular inserting groove is formed in a motor casing mounting cover portion, a rubber gasket is padded at the bottom of the annular inserting groove, the inserting front end of the hollow pipe body is inserted into the annular inserting groove, the inserting front end is tightly pressed on the rubber gasket, a bolt hole corresponding to a matched threaded hole is formed in the motor casing mounting cover portion, a locking bolt is inserted into the bolt hole, and the locking bolt is screwed in the threaded hole.
By adopting the technical scheme, the cold drawn pipe is adopted as the cylinder shell of the driving motor, and the cold drawn pipe is integrally formed, so that the risk of water leakage at the lap joint position caused by the curling of a traditional iron plate is avoided, the stepped notch is turned at one end of the hollow pipe body, the tail end cover is embedded, supported and positioned, and then the tail end cover and the hollow pipe body are fixed into a whole by welding, the design of the stepped notch facilitates the matching and positioning of the tail end cover and the hollow pipe body, the welding operation is convenient, and the sealing and the water resistance at the matching position are improved; the other end of the hollow pipe body is matched with a motor casing mounting cover part of the worm gear case in an inserting mode, so that the waterproof sealing performance is effectively improved. And has the advantages of convenient processing and high strength.
Preferably, the bottom of the annular insertion groove is in a step shape with an outer high inner bottom, the rubber gasket is arranged in an inner annular groove cavity of the annular insertion groove and is higher than the inner annular groove cavity, and after the insertion front end is inserted into the annular insertion groove and compresses the rubber gasket to deform the rubber gasket, the insertion front end abuts against the step surface of the outer ring of the annular insertion groove. Under this structural design, the tip of inserting of hollow body inserts back roof pressure rubber packing ring, and after the rubber packing ring deformation, the front end of inserting supports on the step face in cyclic annular insertion groove, realizes sealed and inboard rubber seal of outer hard contact like this to improve sealing performance.
Preferably, the radial dimension of the contact between the insertion front end and the rubber gasket is larger than the radial dimension of the contact between the insertion front end and the outer ring step surface of the annular insertion groove. Under this structural design for the overwhelming majority of front end of inserting is with the sealed cooperation of rubber packing ring contact, improves sealing performance.
Preferably, the inner edge of the inserted front end of the hollow tube body is chamfered, so that when the inserted front end of the hollow tube body is formed to press the rubber gasket, the rubber gasket can deform to contact and be in sealing fit with the chamfered wall. Under this structural design, sealing performance is improved.
Preferably, the hollow pipe body is provided with a riveting through hole, a riveting nail for fixing the magnetic shoe of the motor assembly in the hollow pipe body is arranged in the riveting through hole, the riveting end of the riveting nail extends out of the hollow pipe body through the riveting through hole and is attached to the outer wall of the hollow pipe body after being riveted, the outer end opening of the riveting through hole is a conical flaring, the riveting nail is sleeved with a rubber ring, and the riveting end of the riveting nail is covered by a riveting cover and is pressed on the riveting expansion end in the conical flaring. Under this structural design, the magnetic shoe adopts traditional riveting fixed mode, has the mature and convenient advantage of processing of technology, and the cover has the rubber ring on the riveting nail, forms the toper flaring at the outer port of riveting through-hole, then presses close to on hollow tube body outer wall behind the riveting end riveting inflation of riveting nail, and the riveting inflation end is simultaneously with the rubber ring extrusion in the toper flaring to form reliable waterproof sealing in the rivet position, thereby guarantee driving motor's waterproof sealing performance.
The utility model is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic structural view of a cartridge housing according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structure at a rivet pressing through hole according to an embodiment of the present invention;
FIG. 6 is another schematic diagram of a structure for riveting a through hole according to an embodiment of the utility model.
Detailed Description
Referring to fig. 1 to 5, the wiper motor with high waterproof performance disclosed by the utility model comprises a driving motor 1 and a speed reducer 2, wherein the driving motor 1 comprises a cylinder shell 11, a tail end cover 12 and a motor assembly 13, the tail end cover of the cylinder shell 11 is provided with the tail end cover 12, the speed reducer 2 comprises a worm gear case 21, a cover plate 22 and a worm gear mechanism, the worm gear case 21 is formed with a motor shell mounting cover 211 and a case body 212, the motor shell mounting cover 211 covers the front end opening of the cylinder shell 11, the cylinder shell 11 comprises an integrally cold-drawn hollow pipe body 111, the inner edge of one end opening of the hollow pipe body 111 is machined with a step-shaped notch 1111, the outer wall of the other end of the hollow pipe body 111 is welded with a mounting lug 112 with bolt holes, the port of the hollow pipe body 111 is at a certain distance from the mounting lug 112 to form an insertion front end 1112, the tail end cover 12 is inserted into the step-shaped notch 1111 and is welded and fixed on the hollow pipe body 111, the motor casing mounting cover portion 12 is provided with an annular insertion groove 2111, the bottom of the annular insertion groove 2111 is padded with a rubber gasket 3, the insertion front end 1112 of the hollow tube 111 is inserted into the annular insertion groove 2111, the insertion front end 1112 is pressed on the rubber gasket 3, the motor casing mounting cover portion 211 is provided with a threaded hole with a bolt hole correspondingly matched with the bolt hole, a locking bolt is inserted into the bolt hole, and the locking bolt is screwed in the threaded hole. The barrel shell of the driving motor adopts a cold drawn pipe, and is integrally formed, so that the risk of water leakage at the lap joint position caused by the curling of a traditional iron plate is avoided, one end of the hollow pipe body is turned out of a step-shaped notch, the tail end cover is embedded, supported and positioned, and then the tail end cover and the hollow pipe body are fixed into a whole by welding, the sealing performance is ensured, the design of the step notch is convenient for the matching positioning of the tail end cover and the hollow pipe body, the welding operation is convenient, and the sealing and the water resistance at the matching position are improved; the other end of the hollow pipe body is matched with a motor casing mounting cover part of the worm gear case in an inserting mode, so that the waterproof sealing performance is effectively improved. And has the advantages of convenient processing and high strength.
In order to further improve the waterproof sealing performance, the following optimized structural design is adopted, the bottom of the annular insertion groove 2111 is in a step shape with an outer high inner bottom, the rubber gasket 3 is placed in the inner ring groove cavity I of the annular insertion groove 2111, the rubber gasket 3 is higher than the inner ring groove cavity I, the insertion front end 1112 is inserted into the annular insertion groove 2111 and compresses the rubber gasket 3 to deform the rubber gasket 3, and then the insertion front end 1112 is abutted to the outer ring step surface II of the annular insertion groove 2111. The rubber gasket is pressed after the inserted end of the hollow pipe body is inserted, and after the rubber gasket is deformed, the inserted front end is pressed against the step surface of the annular insertion groove, so that the hard contact sealing of the outer layer and the rubber sealing of the inner side are realized, and the sealing performance is improved.
The radial dimension of the insertion front end 1112 in contact with the rubber gasket 3 is larger than the radial dimension of the insertion front end 1112 in contact with the outer ring step surface II of the annular insertion groove 2111. So that most parts of the inserted front end are in contact sealing fit with the rubber gasket, and the sealing performance is improved.
The hollow tube 111 has a chamfer 1113 on the inner edge of the insertion front end 1112, so that when the insertion front end 1112 of the hollow tube 111 presses the rubber gasket 3, the rubber gasket 3 can deform to contact and seal with the wall of the chamfer 1113. When the hollow pipe body and the motor casing mounting cover are locked, the rubber gasket is extruded by the inserted front end, and the rubber gasket can partially enter the chamfer angle after deformation, so that the sealing performance is further improved. Or the inner ring of the rubber gasket is provided with a raised rib-shaped structure, and the rib-shaped structure is matched with the space formed by the chamfer angle, so that the sealing performance is improved.
Generally, a riveting through hole is formed in a cylinder shell of the motor, a riveting nail 5 for fixing a magnetic shoe of the motor assembly 13 in the hollow pipe body 111 is arranged in the riveting through hole 113, a riveting end of the riveting nail 5 extends out of the hollow pipe body 111 through the riveting through hole and is attached to the outer wall of the hollow pipe body 111 after being riveted, in order to improve the waterproof sealing performance of the riveting position, an outer port of the riveting through hole 113 is a conical flaring 1131, a rubber ring 6 is sleeved on the riveting nail, and a riveting end 51 of the riveting nail 5 is formed by riveting to cover and press the rubber ring 6 to a riveting expansion end in the conical flaring 1131. The magnetic shoe adopts a traditional riveting fixing mode, has the advantages of mature process and convenient processing, the rubber ring is sleeved on the riveting nail, the conical flaring is formed at the outer port of the riveting through hole, the riveting end of the riveting nail is pressed close to the outer wall of the hollow pipe body after being riveted and expanded, and the rubber ring is extruded in the conical flaring by the riveting expansion end, so that reliable waterproof sealing is formed at the rivet position, and the waterproof sealing performance of the driving motor is ensured. As another possible mode of the present invention, as shown in fig. 6, a nylon plastic sleeve 7 is sleeved on the rivet, a gap for interference press-in of the nylon plastic sleeve 7 is provided between the rivet and the rivet through hole, the nylon plastic sleeve is sleeved on the rivet in an interference manner, when the rivet end 51 of the rivet 5 is riveted to form a rivet expanded end, the nylon plastic sleeve is jacked to move to be inserted into the rivet through hole, and because the nylon plastic sleeve has a deformation property, sealing can be formed between the rivet through hole and the rivet during riveting, thereby achieving a waterproof sealing effect.
Claims (6)
1. The utility model provides a high waterproof performance wiper motor, includes driving motor and reduction gear, and driving motor includes shell, tail end lid and motor element, and shell tail end lid is equipped with the tail end lid, and the reduction gear includes worm-gear case, apron and worm-gear mechanism, and the worm-gear case shaping has motor casing installation cover portion and case shell main part, and motor casing installation cover portion covers on the preceding port of shell, its characterized in that: the barrel casing comprises an integrally cold-drawn hollow pipe body, a step-shaped notch is machined in the inner edge of one end opening of the hollow pipe body, a pair of mounting lugs with bolt holes are welded on the outer wall of the other end of the hollow pipe body, the end opening of the hollow pipe body is a certain distance away from the mounting lugs to form an inserting front end, a tail end cover is inserted into the step-shaped notch and fixed on the hollow pipe body through welding, an annular inserting groove is formed in a motor casing mounting cover portion, a rubber gasket is padded at the bottom of the annular inserting groove, the inserting front end of the hollow pipe body is inserted into the annular inserting groove, the inserting front end is tightly pressed on the rubber gasket, a bolt hole corresponding to a matched threaded hole is formed in the motor casing mounting cover portion, a locking bolt is inserted into the bolt hole, and the locking bolt is screwed in the threaded hole.
2. The wiper motor with high waterproof performance as claimed in claim 1, wherein: the bottom of the annular insertion groove is in a step shape with an outer high inner bottom, the rubber gasket is arranged in an inner annular groove cavity of the annular insertion groove and is higher than the inner annular groove cavity, the insertion front end is inserted into the annular insertion groove and compresses the rubber gasket to deform the rubber gasket, and the insertion front end abuts against the step surface of the outer ring of the annular insertion groove.
3. The wiper motor with high waterproof performance according to claim 2, characterized in that: the radial dimension of the contact between the inserting front end and the rubber gasket is larger than the radial dimension of the contact between the inserting front end and the outer ring step surface of the annular inserting groove.
4. The wiper motor with high waterproof performance according to claim 2, wherein: the inner edge of the inserted front end of the hollow pipe body is provided with a chamfer, so that when the inserted front end of the hollow pipe body extrudes the rubber gasket, the rubber gasket can deform to be in contact sealing fit with the wall of the chamfer.
5. The wiper motor with high waterproof performance according to claim 1, characterized in that: the riveting device is characterized in that a riveting through hole is formed in the hollow pipe body, a riveting nail for fixing a magnetic shoe of the motor assembly in the hollow pipe body is arranged in the riveting through hole, the riveting end of the riveting nail extends out of the hollow pipe body through the riveting through hole and is attached to the outer wall of the hollow pipe body after riveting, the outer end opening of the riveting through hole is a conical expanding opening, a rubber ring is sleeved on the riveting nail, and the riveting end of the riveting nail is covered by the riveting end and is pressed on the conical expanding opening of the rubber ring.
6. The wiper motor with high waterproof performance as claimed in claim 1, wherein: the riveting device is characterized in that a riveting through hole is formed in the hollow pipe body, a riveting nail for fixing a magnetic shoe of the motor assembly in the hollow pipe body is arranged in the riveting through hole, a riveting end of the riveting nail extends out of the hollow pipe body through the riveting through hole and is attached to the outer wall of the hollow pipe body after riveting, a nylon plastic sleeve is sleeved on the riveting nail, a gap for the nylon plastic sleeve to be pressed in an interference mode is formed between the riveting nail and the riveting through hole, the nylon plastic sleeve is sleeved on the riveting nail in an interference mode, and when the riveting end of the riveting nail forms a riveting expansion end through riveting, the nylon plastic sleeve is jacked to move to be inserted into the riveting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439678.4U CN216751376U (en) | 2021-12-29 | 2021-12-29 | High waterproof performance wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439678.4U CN216751376U (en) | 2021-12-29 | 2021-12-29 | High waterproof performance wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751376U true CN216751376U (en) | 2022-06-14 |
Family
ID=81910835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123439678.4U Active CN216751376U (en) | 2021-12-29 | 2021-12-29 | High waterproof performance wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022210738A1 (en) | 2022-10-12 | 2024-04-18 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electric motor device |
-
2021
- 2021-12-29 CN CN202123439678.4U patent/CN216751376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022210738A1 (en) | 2022-10-12 | 2024-04-18 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electric motor device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216751376U (en) | High waterproof performance wiper motor | |
| US7219595B2 (en) | Master cylinder housing | |
| CN201086622Y (en) | Section assembling structure of door frame panel and seal strip for automobile | |
| CN206647386U (en) | A kind of two-sided pulling rivet of leakproof | |
| CN211163761U (en) | Semitrailer gas circuit cutting ferrule fore shaft device | |
| CN212338006U (en) | Two-way high damping hydraulic pressure sub vehicle frame bush and car | |
| CN209273867U (en) | Based on the molding automobile lamp lens die of three template die secondary extrusions | |
| CN209146118U (en) | A kind of plastic workpiece riveting nut | |
| CN210083341U (en) | Integral B post of car | |
| CN203189464U (en) | Countersunk head single-face pulling rivet | |
| CN220668359U (en) | Hub sealing structure and axle assembly | |
| CN212377177U (en) | Piston sealing structure of automobile brake caliper | |
| CN219366621U (en) | Novel bearing riveting structure for electric stay bar of tail gate | |
| CN213575738U (en) | Single-side guiding silencing check valve | |
| CN221299927U (en) | Air spring, air tightness detection mechanism thereof and automobile | |
| CN108775323A (en) | A kind of slim workpiece carbon steel riveting nut | |
| CN220488535U (en) | Sealing aluminium sleeve for automobile | |
| CN217899074U (en) | Car pipeline via hole sealing device | |
| CN218543448U (en) | Rubber urea pipeline for diesel engine post-treatment system | |
| CN218978541U (en) | Automobile cup capable of inserting suction pipe | |
| CN212766115U (en) | Detachable flexible windscreen wiper shaft sheath and mounting structure thereof | |
| CN209921053U (en) | Sealing structure between automobile oil filler cap and side wall and wheel cover | |
| CN215890830U (en) | Bearing riveting structure of automobile electric tail gate supporting rod | |
| CN217841867U (en) | Single-shell fuel pump | |
| CN208306626U (en) | A kind of vacuum booster guide rod and shell rivet anti-rotational structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |