A wiper installation mechanism with high applicability
By using a mother-child bracket and a sliding connection structure in the wiper device, combined with a spring-loaded telescopic mechanism, the problems of low interoperability and reduced rubber strip fitting in the existing wiper device when designing new models are solved, and the problem of low interoperability of the existing wiper device is achieved. High applicability and long-lasting fit.
Patent Information
- Application Number
- CN202010560666.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-06-18
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2040-06-18
AI Technical Summary
When designing new models of existing wiper devices, the metal bracket needs to be reopened, resulting in low product interoperability and increasing mold cost. Long-term use will make the rubber strips of the wiper less fit with the front window glass.
A set of mother and child brackets and sliding connection structures are adopted to connect the first bracket and the second bracket to the wiper and the car body respectively, and a spring-loaded telescopic mechanism is set between the wiper blade holder and the wiper brush arm to ensure the rubber scraping. The sheet fits with the front windshield.
The suitability of the wiper installation mechanism is improved, the need to re-made molds is avoided, and the rubber blades are maintained well with the front windshield through a spring telescopic mechanism, extending service life.
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Figure CN111731229B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of windshield wipers, and in particular to a windshield wiper mounting mechanism with high applicability. Background Art
[0002] Windshield wipers, also known as wipers, water paddles, wipers or windshield wipers, are devices used to scrape off raindrops and dust attached to the windshield of the vehicle to improve the driver's visibility and increase driving safety.
[0003] At present, when designing new models of windshield wiper devices, the metal brackets often require re-molding, resulting in low product interoperability and increased mold costs. In addition, welding or screwing processes are required to fix the metal brackets to the motor, which increases assembly time. Long-term use will reduce the fit between the wiper rubber strip and the front window glass. Summary of the invention
[0004] The purpose of the present invention is to provide a wiper installation mechanism with high applicability, which includes a set of parent-child brackets, and a sliding connection structure is used to connect the first bracket and the second bracket to the wiper and the car body respectively. The mechanism has high applicability and does not require remaking the mold. A set of telescopic mechanisms with springs are connected between the wiper blade frame and the wiper brush arm to ensure that the rubber blade is always in contact with the front windshield, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a highly applicable wiper mounting mechanism, comprising a motor, a reduction gearbox fixedly mounted on one side of the motor, a first bracket and a second bracket fixedly mounted on one side of the reduction gearbox by screws, the first bracket and the second bracket being slidably connected, a mounting hole being provided on one side of the second bracket, two groups of wiper brush arms being rotatably mounted on a side of the reduction gearbox away from the first bracket, a wiper rubber strip assembly being rotatably mounted on one side of the two groups of wiper brush arms, a pin being slidably mounted on one side of the wiper rubber strip assembly, a shaft sleeve being fixedly mounted on one side of the wiper brush arm, the pin being slidably mounted in the shaft sleeve, and a spring being fixedly mounted between the pin and the inner wall of the shaft sleeve.
[0006] Preferably, one side of the first bracket is symmetrically provided with positioning holes, and one side of the second bracket is symmetrically threaded with a spring plunger.
[0007] Preferably, guide bars are provided on both sides of the first bracket, and first sliding grooves are symmetrically provided on both sides of the second bracket, and the guide bars and the first sliding grooves are clearance-matched.
[0008] Preferably, a first sliding block and a second sliding block are respectively provided at both ends of the pin shaft.
[0009] Preferably, the wiper rubber strip assembly comprises a scraper frame and a rubber scraper installed in the scraper frame, a positioning groove is provided on one side of the scraper frame, and the first sliding block is clearance-matched with the positioning groove.
[0010] Preferably, a second sliding groove is provided in the shaft sleeve, and the second sliding block and the second sliding groove are clearance-matched.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] 1. A set of parent-child brackets is provided, and the first bracket and the second bracket are connected to the wiper and the car body respectively by means of a sliding connection structure, which has high applicability and does not require remaking the mold;
[0013] 2. A set of spring-loaded telescopic mechanisms are connected between the wiper blade frame and the wiper arm to ensure that the rubber scraper blade always fits the front windshield. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the main cross-sectional structure of the present invention;
[0015] Figure 2 It is a side view structural schematic diagram of the present invention;
[0016] Figure 3 It is a schematic diagram of the top structure of the present invention.
[0017] In the figure: 1. motor; 2. reduction gearbox; 3. first bracket; 4. second bracket; 5. mounting hole; 6. wiper brush arm; 7. wiper rubber strip assembly; 701. wiper blade frame; 702. rubber scraper blade; 8. pin shaft; 9. bushing; 10. spring; 11. positioning hole; 12. spring plunger; 13. guide strip; 14. first slide groove; 15. first slider; 16. second slider; 17. positioning groove; 18. second slide groove. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0019] See also Figure 1-3The present invention provides a technical solution: a wiper installation mechanism with high applicability, comprising a motor 1, a reduction box 2 is fixedly installed on one side of the motor 1, a first bracket 3 and a second bracket 4 are fixedly installed on one side of the reduction box 2 by screws, the first bracket 3 and the second bracket 4 are slidably connected, the first bracket 3 and the second bracket 4 are slidably connected, and the mother-child bracket structure is used to improve the applicability of the wiper installation mechanism; a mounting hole 5 is opened on one side of the second bracket 4, and the mounting hole 5 is set to facilitate the connection of all wiper components and the car body; the reduction box 2 is rotated away from the first bracket 3 Two groups of wiper brush arms 6 are installed, and a wiper rubber strip assembly 7 is rotatably installed on one side of the two groups of wiper brush arms 6. A pin shaft 8 is slidably installed on one side of the wiper rubber strip assembly 7. A sliding connection structure of the pin shaft 8 and the shaft sleeve 9 is provided to ensure the connection relationship between the spring 10 and the rubber scraper 702 and the wiper brush arm 6; a shaft sleeve 9 is fixedly installed on one side of the wiper brush arm 6, and the pin shaft 8 is slidably installed in the shaft sleeve 9, and a spring 10 is fixedly installed between the pin shaft 8 and the inner wall of the shaft sleeve 9. The spring 10 is provided to always provide thrust to the pin shaft 8, so that the rubber scraper 702 always fits with the front windshield.
[0020] Specifically, one side of the first bracket 3 is symmetrically provided with a positioning hole 11, and one side of the second bracket 4 is symmetrically screwed with a spring plunger 12. The spring plunger 12 and the positioning hole 11 are matched to ensure that the first bracket 3 and the second bracket 4 are fixed after being connected.
[0021] Specifically, guide bars 13 are provided on both sides of the first bracket 3, and first slide grooves 14 are symmetrically provided on both sides of the second bracket 4. The guide bars 13 and the first slide grooves 14 are clearance-matched, and the guide bars 13 and the first slide grooves 14 are clearance-matched to limit the sliding trajectory of the first bracket 3 and the second bracket 4.
[0022] Specifically, a first sliding block 15 and a second sliding block 16 are respectively disposed at both ends of the pin shaft 8 .
[0023] Specifically, the wiper rubber strip assembly 7 includes a scraper frame 701 and a rubber scraper 702 installed in the scraper frame 701. A positioning groove 17 is opened on one side of the scraper frame 701. The first slider 15 and the positioning groove 17 are clearance-matched. The positioning groove 17 is provided to facilitate the connection and disassembly of the pin shaft 8 and the wiper rubber strip assembly 7.
[0024] Specifically, a second slide groove 18 is provided in the shaft sleeve 9 , and the second sliding block 16 and the second slide groove 18 are clearance-matched. The second slide groove 18 is provided to ensure that the pin shaft 8 will not slip out when sliding in the shaft sleeve 9 .
[0025] Structural principle: a set of parent-child brackets is provided, including a first bracket 3 and a second bracket 4. The first bracket 3 and the second bracket 4 are connected to the reduction box 2 and the automobile body respectively by means of a sliding connection structure. After connection, they are slidably installed by means of a guide bar 13 and a first slide groove 14, and are fixed by means of a spring plunger 12 and a positioning hole 11. The applicability is high, and there is no need to re-make the mold.
[0026] The pin shaft 8 and the shaft sleeve 9 are connected by a spring 10 between the wiper blade frame 701 and the wiper brush arm 6 to form an elastic telescopic mechanism. When replacing the rubber scraper 702, it is only necessary to slide the first slider 15 out of the positioning groove 17. This structure can ensure that the rubber scraper 702 is always in contact with the front windshield.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated 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 invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wiper installation mechanism with high applicability, comprising a motor (1), characterized in that: A reduction box (2) is fixedly mounted on one side of the motor (1); a first bracket (3) and a second bracket (4) are fixedly mounted on one side of the reduction box (2) by screws; the first bracket (3) and the second bracket (4) are slidably connected; a mounting hole (5) is provided on one side of the second bracket (4); two groups of wiper arms (6) are rotatably mounted on a side of the reduction box (2) away from the first bracket (3); wiper rubber strip assemblies (7) are rotatably mounted on one side of the two groups of wiper arms (6); a pin shaft (8) is slidably mounted on one side of the wiper rubber strip assembly (7). ), a shaft sleeve (9) is fixedly mounted on one side of the wiper arm (6), the pin shaft (8) is slidably mounted in the shaft sleeve (9), and a spring (10) is fixedly mounted between the pin shaft (8) and the inner wall of the shaft sleeve (9); positioning holes (11) are symmetrically provided on one side of the first bracket (3), and a spring plunger (12) is symmetrically screwed on one side of the second bracket (4); guide strips (13) are provided on both sides of the first bracket (3), and first slide grooves (14) are symmetrically provided on both sides of the second bracket (4), and the guide strips (13) and the first slide grooves (14) are clearance-matched.
2. A wiper installation mechanism with high applicability according to claim 1, characterized in that: A first sliding block (15) and a second sliding block (16) are respectively provided at both ends of the pin shaft (8).
3. A wiper installation mechanism with high applicability according to claim 2, characterized in that: The wiper rubber strip assembly (7) comprises a scraper frame (701) and a rubber scraper (702) mounted in the scraper frame (701); a positioning groove (17) is provided on one side of the scraper frame (701); and the first sliding block (15) and the positioning groove (17) are clearance-matched.
4. A wiper installation mechanism with high applicability according to claim 2, characterized in that: A second sliding groove (18) is provided in the shaft sleeve (9), and the second sliding block (16) and the second sliding groove (18) are clearance-fitted.
Citation Information
Patent Citations
Windscreen wiper mounting mechanism with high applicability
CN213035789U