Automobile windscreen wiper connecting arm

Abstract

The utility model relates to the technical field of windscreen wiper connecting arms, and discloses an automobile windscreen wiper connecting arm which comprises a connecting arm body, a connecting piece is fixedly connected to the right side of the front portion of the connecting arm body, an installation piece is connected to the interior of the connecting piece in a sliding mode, and a windscreen wiper body is fixedly connected to the front side of the installation piece. Moving blocks are arranged on the upper side and the lower side of the interior of the mounting part, telescopic rods are fixedly connected to the corresponding sides of the moving blocks, second springs are arranged outside the telescopic rods, the two ends of the second springs are fixedly connected to the corresponding sides of the moving blocks, and fixing assemblies are fixedly connected to the left sides and the right sides of the moving blocks. The fixing assembly comprises connecting rods, the connecting rods are fixedly connected to the left side and the right side of the moving block, and one end of each connecting rod is fixedly connected with an inserting block. According to the automobile windscreen wiper, the windscreen wiper can be quickly and conveniently disassembled and replaced, the structure is simple, and the replacement time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of windshield wiper connecting arms, in particular to a windshield wiper connecting arm for an automobile. Background Art

[0002] The car wiper arm is the part that connects the wiper blade to the wiper drive system, and is used to control the movement of the blade on the front windshield to remove rain or other dirt. The arm is usually made of metal or plastic, with strength and durability to cope with different driving conditions and environments.

[0003] Existing wipers are easily damaged after long-term use and need to be replaced. However, replacing existing wipers is troublesome, time-consuming and inconvenient to install. Therefore, those skilled in the art provide a car wiper connecting arm to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a car wiper connecting arm, aiming to improve the problem that the existing wiper in the prior art is troublesome to replace, wastes time and is inconvenient to install.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car wiper connecting arm, comprising a connecting arm body, a connecting piece is fixedly connected to the front right side of the connecting arm body, a mounting piece is slidably connected to the inside of the connecting piece, the front side of the mounting piece is fixedly connected to the wiper body, moving blocks are arranged on the upper and lower sides of the inside of the mounting piece, a telescopic rod is fixedly connected to the corresponding side of the moving block, a second spring is arranged on the outside of the telescopic rod, both ends of the second spring are fixedly connected to the corresponding side of the moving block, and the left and right sides of the moving block are fixedly connected to fixing components.

[0006] As a further description of the above technical solution:

[0007] The fixing assembly comprises a connecting rod, the connecting rod is fixedly connected to the left and right sides of the moving block, one end of the connecting rod is fixedly connected to the plug block, and the corresponding side of the plug block is fixedly connected to the first spring.

[0008] As a further description of the above technical solution:

[0009] Limiting grooves are provided on both upper and lower sides of the interior of the connecting member, a pressing block is arranged inside the connecting member, the outside of the pressing block is fixedly connected to the limiting block, and the limiting block is slidably connected to the interior of the limiting groove.

[0010] As a further description of the above technical solution:

[0011] A through hole is provided on one side corresponding to the limiting groove, and the moving block is slidably connected inside the through hole.

[0012] As a further description of the above technical solution:

[0013] The upper, lower, left and right sides of the connecting piece are both provided with plug holes, and the plug blocks are slidably connected inside the plug holes.

[0014] As a further description of the above technical solution:

[0015] A clamping block is fixedly connected to the rear side of the mounting piece, a clamping slot is provided on the inner rear side of the connecting piece, and the clamping block is slidably connected inside the clamping slot.

[0016] As a further description of the above technical solution:

[0017] A mounting cylinder is fixedly connected to the left side of the front portion of the connecting arm body, and a mounting shaft is fixedly connected to the interior of the mounting cylinder.

[0018] As a further description of the above technical solution:

[0019] A wear-resistant layer is arranged inside the connecting arm body from the outside to the inside, and a corrosion-resistant layer is arranged at the bottom of the wear-resistant layer.

[0020] As a further description of the above technical solution:

[0021] The material of the wear-resistant layer is chromium carbide.

[0022] As a further description of the above technical solution:

[0023] The material of the corrosion-resistant layer is a high molecular ceramic polymer coating.

[0024] The utility model has the following beneficial effects:

[0025] In the utility model, by using the cooperation among the pressing block, the limit block, the limit groove, the moving block, the telescopic rod, the spring, the connecting rod, the plug block, the socket, the wiper body, the connecting piece, the clamping block, the clamping groove and other structures, the wiper can be quickly and conveniently disassembled and replaced, the structure is simple and the replacement time is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional diagram of a car wiper connecting arm proposed by the utility model;

[0027] Figure 2 This is a disassembled diagram of a car wiper connecting arm proposed by the utility model;

[0028] Figure 3This is a partial structural schematic diagram of a car wiper connecting arm proposed by the utility model;

[0029] Figure 4 The utility model is a schematic diagram of the internal structure of a connecting arm body of a car wiper connecting arm.

[0030] Legend:

[0031] 1. Connecting arm body; 2. Mounting cylinder; 3. Mounting shaft; 5. Socket; 6. Press block; 7. Connecting piece; 8. Wiper body; 9. Limit block; 10. Limit groove; 11. Through hole; 12. Slot; 13. Block; 14. Mounting piece; 15. Insert block; 16. Connecting rod; 17. Moving block; 18. First spring; 19. Telescopic rod; 20. Second spring; 21. Wear-resistant layer; 22. Corrosion-resistant layer. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a car wiper connecting arm, including a connecting arm body 1, a connecting member 7 is fixedly connected to the front right side of the connecting arm body 1, a mounting member 14 is slidably connected inside the connecting member 7, a wiper body 8 is fixedly connected to the front side of the mounting member 14, moving blocks 17 are arranged on the upper and lower sides of the mounting member 14, a telescopic rod 19 is fixedly connected to the corresponding side of the moving block 17, a second spring 20 is arranged on the outside of the telescopic rod 19, both ends of the second spring 20 are fixedly connected to the corresponding side of the moving block 17, and a fixing assembly is fixedly connected to the left and right sides of the moving block 17, a limiting groove 10 is arranged on the upper and lower sides of the connecting member 7, a pressing block 6 is arranged inside the connecting member 7, and a limiting block 9 is fixedly connected to the outside of the pressing block 6, the limiting block 9 is slidably connected to the inside of the limiting groove 10, and a through hole 11 is arranged on the corresponding side of the limiting groove 10, and the moving block 17 is slidably connected to the inside of the through hole 11;

[0034] The fixed assembly includes a connecting rod 16, which is fixedly connected to the left and right sides of the moving block 17. One end of the connecting rod 16 is fixedly connected to the plug block 15, and the corresponding side of the plug block 15 is fixedly connected to the first spring 18. The upper, lower, left and right sides of the connecting member 7 are both provided with sockets 5, and the plug block 15 is slidably connected inside the socket 5.

[0035] By pressing the pressing block 6, the limiting block 9 moves in the limiting groove 10 to squeeze the moving block 17, and squeezes the telescopic rod 19 and the second spring 20 to generate a rebound force, and drives the plug block 15 to move and separate from the socket 5 through the connecting rod 16, pulls the wiper body 8 and drives the clamping block 13 to move and separate from the connecting piece 7 and the clamping groove 12, so that the wiper can be quickly and conveniently disassembled and replaced.

[0036] Reference Figure 1 , Figure 2 and Figure 4 A clamping block 13 is fixedly connected to the rear side of the mounting member 14, a clamping slot 12 is opened on the inner rear side of the connecting member 7, and the clamping block 13 is slidably connected to the inside of the clamping slot 12; a mounting tube 2 is fixedly connected to the left front part of the connecting arm body 1, and a mounting shaft 3 is fixedly connected to the inside of the mounting tube 2; a wear-resistant layer 21 is provided inside the connecting arm body 1 from the outside to the inside, and a corrosion-resistant layer 22 is provided at the bottom of the wear-resistant layer 21, the material of the wear-resistant layer 21 is chromium carbide, and the material of the corrosion-resistant layer 22 is a high-molecular ceramic polymer coating.

[0037] The block 13 is moved by moving the connecting piece 7 and separated from the card slot 12; the installation tube 2 is connected to the rotating rod or rod-shaped object inside the cockpit and fixed via the installation shaft 3; a wear-resistant layer 21 and a corrosion-resistant layer 22 are provided, and the wear-resistant layer 21 is made of chromium carbide and the corrosion-resistant layer 22 is made of a high molecular ceramic polymer coating, so that the connecting arm body 1 has high hardness, wear resistance and corrosion resistance, so that the service life of the connecting arm can be extended, and bending or breakage due to long-term use is avoided, which makes it lose its effect.

[0038] Working principle: When the wiper needs to be replaced, the pressing block 6 is pressed to drive the limit block 9 to move inside the limit groove 10, squeeze the moving block 17 and the telescopic rod 19 and the second spring 20 at the same time, and the connecting rod 16 drives the plug block 15 to move and separate from the socket 5, pull the wiper body 8 to separate from the connecting piece 7, and at the same time drive the clamping block 13 to move and separate from the clamping groove 12, thereby realizing quick and convenient disassembly and replacement of the wiper, with a simple structure and reduced replacement time.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A car wiper connecting arm, comprising a connecting arm body (1), characterized in that: The front right side of the connecting arm body (1) is fixedly connected to a connecting piece (7), the interior of the connecting piece (7) is slidably connected to a mounting piece (14), the front side of the mounting piece (14) is fixedly connected to a wiper body (8), the interior of the mounting piece (14) is provided with moving blocks (17) on both upper and lower sides, the corresponding side of the moving block (17) is fixedly connected to a telescopic rod (19), the outside of the telescopic rod (19) is provided with a second spring (20), the two ends of the second spring (20) are fixedly connected to the corresponding side of the moving block (17), and the left and right sides of the moving block (17) are fixedly connected to fixed components.

2. The automobile wiper connecting arm according to claim 1, characterized in that: The fixing assembly comprises a connecting rod (16), wherein the connecting rod (16) is fixedly connected to the left and right sides of the moving block (17), one end of the connecting rod (16) is fixedly connected to an insert block (15), and the corresponding side of the insert block (15) is fixedly connected to a first spring (18).

3. The automobile wiper connecting arm according to claim 1, characterized in that: Limiting grooves (10) are provided on both upper and lower sides of the interior of the connecting member (7), a pressing block (6) is provided inside the connecting member (7), the outside of the pressing block (6) is fixedly connected to a limiting block (9), and the limiting block (9) is slidably connected to the interior of the limiting groove (10).

4. The automobile wiper connecting arm according to claim 3, characterized in that: A through hole (11) is provided on the corresponding side of the limiting groove (10), and the moving block (17) is slidably connected inside the through hole (11).

5. The automobile wiper connecting arm according to claim 2, characterized in that: The connecting member (7) is provided with insertion holes (5) on both the upper, lower, left and right sides, and the insertion block (15) is slidably connected inside the insertion hole (5).

6. The automobile wiper connecting arm according to claim 1, characterized in that: A clamping block (13) is fixedly connected to the rear side of the mounting member (14), a clamping slot (12) is provided on the inner rear side of the connecting member (7), and the clamping block (13) is slidably connected inside the clamping slot (12).

7. The automobile wiper connecting arm according to claim 1, characterized in that: A mounting tube (2) is fixedly connected to the left front portion of the connecting arm body (1), and a mounting shaft (3) is fixedly connected to the interior of the mounting tube (2).

8. The automobile wiper connecting arm according to claim 1, characterized in that: A wear-resistant layer (21) is provided inside the connecting arm body (1) from the outside to the inside, and a corrosion-resistant layer (22) is provided at the bottom of the wear-resistant layer (21).

9. The automobile wiper connecting arm according to claim 8, characterized in that: The material of the wear-resistant layer (21) is chromium carbide.

10. The automobile wiper connecting arm according to claim 8, characterized in that: The material of the corrosion-resistant layer (22) is a high molecular ceramic polymer coating.

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