Windscreen wiper system

Abstract

The utility model discloses a windscreen wiper system which comprises a gear motor, a connecting rod mechanism, a wiping arm assembly and a wiping brush assembly, the gear motor is connected with the connecting rod mechanism, the wiping arm assembly is connected with the connecting rod mechanism, the wiping brush assembly is connected with the wiping arm assembly, and the wiping arm assembly comprises a wiping arm and a water spraying assembly. A first groove is formed in the first side wall, facing a windshield, of the wiping arm, a supporting plate is arranged on the second side wall of the wiping arm, a second groove is formed between the supporting plate and the wiping arm, a pressing block is arranged on the supporting plate, and after the water spraying assembly is matched with the first groove and the second groove, the water spraying assembly is clamped among the wiping arm, the supporting plate and the pressing block. Friction between the water spraying pipe and the wiping arm can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a windshield wiper system. BACKGROUND

[0002] Motor vehicles are usually equipped with windshield wiper systems for wiping and cleaning the windshield and avoiding interfering with the driver's view. The existing wiper system is usually composed of a speed reducer motor, a connecting rod mechanism, a wiper arm assembly and a wiper blade assembly. The speed reducer motor is connected with the connecting rod mechanism, the wiper arm assembly is connected with the connecting rod mechanism, and the wiper blade assembly is connected with the wiper arm assembly.

[0003] When the wiper system needs to work, first send a work instruction to the speed reducer motor, the speed reducer motor outputs power to the connecting rod mechanism, the connecting rod mechanism drives the wiper arm assembly to reciprocate, and the wiper blade assembly reciprocates with the wiper arm, and the wiper blade assembly cleans the surface of the windshield.

[0004] The wiper arm assembly contains a water spraying pipe, which is usually clamped on the wiper arm assembly with a clip. The clip and the water spraying pipe are gap fitted. The wiper arm assembly with the above structure has the following disadvantages: the water spraying pipe is not fixed on the wiper arm, and the wiper arm is easy to rub against the water spraying pipe during movement, which may cause the water spraying pipe to be cut or leak. SUMMARY

[0005] The utility model provides a windshield wiper system, the utility model can avoid that the wiper arm rubs against the water spraying pipe.

[0006] The technical scheme for solving the above problems is as follows:

[0007] The windshield wiper system comprises a speed reducer motor, a connecting rod mechanism, a wiper arm assembly and a wiper blade assembly. The speed reducer motor is connected with the connecting rod mechanism, the wiper arm assembly is connected with the connecting rod mechanism, and the wiper blade assembly is connected with the wiper arm assembly. The wiper arm assembly comprises a wiper arm and a water spraying assembly. A first recess is arranged on the first side wall of the wiper arm facing the windshield. A support plate is arranged on the second side wall of the wiper arm. A second recess is formed between the support plate and the wiper arm. A pressing block is arranged on the support plate. The water spraying assembly is clamped between the wiper arm, the support plate and the pressing block after being matched with the first recess and the second recess.

[0008] Further, the wiper arm comprises a wiper arm body. One end of the wiper arm body is bent to form a bent section. Support plates are arranged on the second side walls of the wiper arm body and the bent section.

[0009] Further, the support plate comprises a first support part. One end of the first support part is fixed with the second side wall of the wiper arm. The first support part is bent to form a second support part. The second recess is formed between the first support part, the second support part and the wiper arm.

[0010] Further, one end of the pressing block is fixed with the second supporting part, and the other end of the pressing block faces the second side wall of the scraping arm, and a gap is arranged between the other end of the pressing block and the second side wall of the scraping arm for allowing the water spraying assembly to be clamped into the second groove.

[0011] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0012] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0013] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0014] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0015] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0016] Further, the water spraying assembly comprises a main pipe, a three-way connector, an intermediate pipe, a protective sleeve, a branch pipe and a spray head, the main pipe is connected with the three-way connector, one end of the intermediate pipe is connected with the three-way connector, the protective sleeve is sleeved on the main pipe and / or the intermediate pipe, one end of the branch pipe is connected with the intermediate pipe, the branch pipe is matched with the first groove and the second groove, and the spray head is connected with the other end of the branch pipe.

[0017] In the utility model, the water spraying assembly is clamped between the scraping arm and the supporting plate and the pressing block, the water spraying assembly is fixed on the scraping arm, when the scraping arm works, the water spraying assembly moves along with the scraping arm, so that the relative movement between the scraping arm and the water spraying assembly is avoided, and the water spraying assembly is prevented from being cut to cause water leakage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a part of the wiper system in the second direction.

[0019] Figure 2 It is a part of the wiper system in the second direction.

[0020] Figure 3 It is a part of the wiper system in the second direction.

[0021] Figure 4 is a schematic view of a pipe guide component.

[0022] Figure 5 is a schematic view of a first guide.

[0023] Reference signs in the drawings:

[0024] Speed reducer motor 1, connecting rod mechanism 2, scraper arm assembly 3, scraper arm 3a, scraper arm body 3a1, curved section 3a2, first groove 3b, support plate 3c, first support part 3c1, second support part 3c2, second groove 3d, pressing block 3e, gap 3f, squeegee assembly 4, main pipe 5, tee connector 6, intermediate pipe 7, protective sleeve 8, branch pipe 9, pipe joint 9a, spray head 10, pipe sleeve 11, plug 12, elastic buckle 13, baffle 14, mounting component 15, first reinforcing part 15a, second reinforcing part 15b, guide rail 16, protruding part 16a. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the technical scheme of the utility model example or prior art, the following is a brief description of the drawings needed to be used in the embodiment or prior art description, obviously, the following described drawings are only some embodiments of the utility model, for those skilled in the art, without paying creative labor, other embodiments can also be obtained according to the drawings of the specification, these embodiments are still within the protection scope of the utility model claims.

[0026] As Figures 1 to 5 The windshield wiper system of the utility model, including speed reducer motor 1, connecting rod mechanism 2, scraper arm assembly 3, squeegee assembly 4, speed reducer motor 1 is connected with connecting rod mechanism 2, speed reducer motor 1 is composed of motor and speed reducer, and the speed reducer is composed of worm and gear mechanism, and connecting rod mechanism 2 preferably adopts plane four connecting rod mechanism.

[0027] Scraper arm assembly 3 is connected with connecting rod mechanism 2, squeegee assembly 4 is connected with scraper arm assembly 3, and scraper arm assembly 3 includes scraper arm 3a and water spraying assembly, a first groove 3b is arranged on the first side wall of scraper arm 3a, a support plate 3c is arranged on the second side wall of scraper arm 3a, a second groove 3d is formed between support plate 3c and scraper arm 3a, a pressing block 3e is arranged on support plate 3c, and after the water spraying assembly cooperates with first groove 3b and second groove 3d, the water spraying assembly is clamped between scraper arm 3a, support plate 3c and pressing block 3e.

[0028] In the utility model, the water spraying assembly is clamped between scraper arm 3a, support plate 3c and pressing block 3e, the water spraying assembly is fixed on the scraper arm, when the scraper arm works, the water spraying assembly moves along with the scraper arm, thereby avoiding the relative movement between the scraper arm and the water spraying assembly, and further avoiding the water leakage caused by the water spraying assembly being cut.

[0029] The scraping arm 3a comprises a scraping arm body 3a1, one end of the scraping arm body 3a1 is bent to form a bent section 3a2, and a support plate 3c is arranged on the second side wall of the scraping arm body 3a1 and the bent section 3a2. When the water spraying assembly is assembled, the water spraying assembly is pressed into the second groove 3d located at the scraping arm body 3a1 and the bent section 3a2, and the water spraying assembly is pressed by the pressing block 3e in the second groove 3d and is not easy to fall off, and relative movement with the scraping arm is prevented, and water leakage caused by cutting the water spraying pipe is avoided.

[0030] The support plate 3c comprises a first support part 3c1, one end of the first support part 3c1 is fixed with the second side wall of the scraping arm 3a, and the first support part 3c1 is bent to form a second support part 3c2, and the second groove 3d is formed between the first support part 3c1, the second support part 3c2 and the scraping arm 3a. In the embodiment, the first support part 3c1, the second support part 3c2 and the scraping arm 3a are integrally formed, for example, by injection molding.

[0031] One end of the pressing block 3e is fixed with the second support part 3c2, the pressing block 3e and the second support part 3c2 are integrally formed by injection molding, the other end of the pressing block 3e faces the second side wall of the scraping arm 3a, and a gap 3f for the water spraying assembly to be clamped into the second groove 3d is arranged between the other end of the pressing block 3e and the second side wall of the scraping arm 3a. The pressing block 3e is used for pressing the water spraying assembly to prevent the water spraying assembly from exiting from the second groove 3d.

[0032] The water spraying assembly comprises a main pipe 5, a three-way connector 6, an intermediate pipe 7, a protective sleeve 8, a branch pipe 9 and a nozzle 10, the main pipe 5 is connected with the three-way connector 6, one end of the intermediate pipe 7 is connected with the three-way connector 6, the intermediate pipe 7 is two, therefore, two output ends of the three-way connector 6 are connected with the two intermediate pipes 7 respectively, the protective sleeve 8 is sleeved on the main pipe 5 and / or the intermediate pipe 7, in the embodiment, the protective sleeve 8 is sleeved on the main pipe 5 and the intermediate pipe 7, the protective sleeve 8 preferably adopts a bellows, when the main pipe 5 and the intermediate pipe 7 are bent under force, the protective sleeve 8 bears the bending force to avoid damage to the main pipe 5 and the intermediate pipe 7.

[0033] One end of the branch pipe 9 is connected with the intermediate pipe 7, since a turning is formed from the intermediate pipe 7 to the branch pipe 9, therefore, a pipe joint 9a is arranged between the intermediate pipe 7 and the branch pipe 9 in the utility model, the pipe joint 9a is L-shaped, one end of the pipe joint 9a is connected with the intermediate pipe 7, the other end of the pipe joint 9a is connected with the branch pipe 9, through the turning of the L-shaped pipe joint 9a, excessive bending of the branch pipe 9 or the intermediate pipe 7 is avoided to cause bending, which is beneficial to guarantee the service life of the water spraying assembly. The branch pipe 9 is matched with the first groove 3b and the second groove 3d, and the nozzle 10 is connected with the other end of the branch pipe 9. The nozzle 10 is fixed on the scraping brush assembly 4.

[0034] The utility model also includes the pipeline guide part for being sleeved on main pipeline 5 and / or intermediate pipeline 7, and the pipeline guide part includes the sleeve 11, the plug 12 for with vehicle body plug-in cooperation, elastic buckle 13, one end of plug 12 is fixed with the circumference of sleeve 11, and the circumference of plug 12 is equipped with the hole for giving birth, and one end of elastic buckle 13 is located in the hole for giving birth and is fixed with plug 12, and the other end of elastic buckle 13 is located outside the hole for giving birth. Because main pipeline 5 and intermediate pipeline 7 are along the windshield transversely arranged, after plug 12 is plugged with vehicle body, the pipeline guide part forms the support to main pipeline 5 and intermediate pipeline 7, to avoid main pipeline 5 and intermediate pipeline 7 in gravity towards the engine compartment of car drop, thereby guaranteeing the service life of water jetting subassembly.

[0035] The pipeline guide part also includes the baffle 14 for with vehicle body resistance, and the baffle 14 is fixed with one end of sleeve 11 or plug 12. When plug 12 is the head plug-in cooperation, the baffle 14 forms the resistance with vehicle body, thereby increasing the stability of pipeline guide part and vehicle body connection.

[0036] The utility model also includes the first guide for guiding connecting rod mechanism 2, and the first guide is slidably connected with connecting rod mechanism 2. Connecting rod mechanism 2 is guided by the first guide in the reciprocating process, can make connecting rod mechanism 2 reciprocate stably, avoid the jumping of connecting rod mechanism 2, and further make the stable work of scraper arm assembly 3 and scraper brush assembly 4.

[0037] The first guide includes mounting part 15, guide rail 16, and the mounting part 15 is used for being fixed with vehicle body, and the mounting part 15 is fixed with guide rail 16, and the included angle is formed between the mounting part 15 and guide rail 16, and the included angle preferably adopts 90 DEG, and connecting rod mechanism 2 is slidably connected with guide rail 16. The sliding slot is arranged on connecting rod mechanism 2, and the convex part 16a for forming the track is arranged on the guide rail 16, and the convex part 16a is slidably connected with the sliding slot on connecting rod mechanism 2, and the guide rail 16 is placed on the mould with the recess, and the stamping force is applied to the guide rail 16, and the convex part 16a is formed on the guide rail 16.

[0038] The side of mounting part 15 is bent to form the first reinforcing part 15a, and the second reinforcing part 15b is formed on the mounting part 15 by stamping the mounting part 15. The strength of mounting part 15 can be increased by the first reinforcing part 15a and the second reinforcing part 15b.

Claims

1. A windshield wiper system, comprising a geared motor (1), a linkage mechanism (2), a wiper arm assembly (3), and a wiper brush assembly (4), wherein the geared motor (1) is connected to the linkage mechanism (2), the wiper arm assembly (3) is connected to the linkage mechanism (2), and the wiper brush assembly (4) is connected to the wiper arm assembly (3), the wiper arm assembly (3) comprising a wiper arm (3a) and a water spray assembly, characterized in that, The first side wall of the wiper arm (3a) facing the windshield is provided with a first groove (3b), the second side wall of the wiper arm (3a) is provided with a support plate (3c), the second groove (3d) is formed between the support plate (3c) and the wiper arm (3a), the support plate (3c) is provided with a pressing block (3e), and the water spraying assembly is clamped between the wiper arm (3a), the support plate (3c) and the pressing block (3e) after being matched with the first groove (3b) and the second groove (3d).

2. The windscreen wiper system of claim 1, wherein, The wiper arm (3a) comprises a wiper arm body (3a1), one end of the wiper arm body (3a1) is bent to form a bent section (3a2), and the support plate (3c) is arranged on the second side wall of the wiper arm body (3a1) and the bent section (3a2).

3. The windscreen wiper system of claim 1, wherein, The support plate (3c) comprises a first support part (3c1), one end of the first support part (3c1) is fixed to the second side wall of the wiper arm (3a), the first support part (3c1) is bent to form a second support part (3c2), and the second groove (3d) is formed between the first support part (3c1), the second support part (3c2) and the wiper arm (3a).

4. The windscreen wiper system of claim 3, wherein, One end of the pressing block (3e) is fixed to the second support part (3c2), the other end of the pressing block (3e) faces the second side wall of the wiper arm (3a), and the other end of the pressing block (3e) and the second side wall of the wiper arm (3a) are provided with a clearance opening (3f) for allowing the water spraying assembly to be clamped into the second groove (3d).

5. The windscreen wiper system according to any one of claims 1 to 4, characterized in that The water spraying assembly comprises a main pipeline (5), a three-way connector (6), an intermediate pipeline (7), a protective sleeve (8), a branch pipeline (9) and a spray head (10), the main pipeline (5) is connected with the three-way connector (6), one end of the intermediate pipeline (7) is connected with the three-way connector (6), the protective sleeve (8) is sleeved on the main pipeline (5) and / or the intermediate pipeline (7), one end of the branch pipeline (9) is connected with the intermediate pipeline (7), the branch pipeline (9) is matched with the first groove (3b) and the second groove (3d), and the spray head (10) is connected with the other end of the branch pipeline (9).

6. The windscreen wiper system of claim 5, wherein, The pipeline guiding component further comprises a baffle (14) for abutting against the vehicle body, and the baffle (14) is fixed to one end of the sleeve (11) or the plug (12).

7. The windscreen wiper system of claim 6, wherein, The pipeline guiding component further comprises a baffle (14) for abutting against the vehicle body, and the baffle (14) is fixed to one end of the sleeve (11) or the plug (12).

8. The windscreen wiper system of claim 1, wherein, The first guiding part further comprises a mounting component (15) and a guide rail (16), the mounting component (15) is fixed to the guide rail (16), an included angle is formed between the mounting component (15) and the guide rail (16), and the connecting rod mechanism (2) is slidably connected to the guide rail (16).

9. The windscreen wiper system of claim 8, wherein, The first guiding part further comprises a mounting component (15) and a guide rail (16), the mounting component (15) is fixed to the guide rail (16), an included angle is formed between the mounting component (15) and the guide rail (16), and the connecting rod mechanism (2) is slidably connected to the guide rail (16).

10. The windscreen wiper system of claim 9, wherein, The side portion of the mounting member (15) is bent to form a first reinforcing portion (15a), and the mounting member (15) is punched to form a second reinforcing portion (15b) on the mounting member (15).

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