Wiper Assembly Structure

The wiper assembly structure addresses the issue of loose connections by using a pivot bracket, holder, and adapter cover to securely attach the drive arm, improving the wiper's functionality and ease of use.

JP3254618UActive Publication Date: 2026-02-13DANYANG UPC AUTO PARTS
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Patent Information

Application Number
JP2025004139U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Priority Date
2024-12-31
Filing Date
2025-12-01
Publication Date
2026-02-13
Estimated Expiration
2035-12-01

AI Technical Summary

Technical Problem

The connection between the adapter member and the wiper drive arm tends to come off after a certain period of use, affecting the force exerted by the wiper, necessitating an improvement in the wiper assembly structure.

Method used

A wiper assembly structure comprising a pivot bracket, holder, adapter base, and adapter cover, with the holder and adapter base connected via buckles and grooves, and the adapter cover pivotally attached to the adapter base to lock the drive arm, preventing detachment.

Benefits of technology

Ensures a secure connection between the adapter member and the wiper drive arm, simplifying installation and enhancing practicality and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a wiper assembly structure that prevents the drive arm from being detached from the adapter base, ensures the connection between the adapter member and the drive arm, simplifies the wiper installation structure, and improves practicality and convenience in use. [Solution] The wiper assembly structure includes a pivot bracket, a holder, an adapter base, an adapter cover, and a wiper blade. The pivot bracket includes a pivot base and a pair of extension arms connected to both sides of the pivot base, the pivot base having a plurality of engagement grooves. The holder has a receiving space and a plurality of buckles, and the holder is engaged with the engagement grooves so as to be connected to the pivot base by the buckles. The adapter base is connected to the receiving space and includes a base, a first pivot portion installed on the base, and a second pivot portion for pivotally mounting a drive arm. The adapter cover is pivotally connected to the first pivot portion and engaged with the base, and the wiper blade is connected to the bottom side of the holder.
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Description

[Technical Field]

[0001] The present invention relates to wipers, and more particularly to wiper assembly structures. [Background technology]

[0002] A vehicle's wiper is attached to the exterior of the vehicle's windshield and is connected to a drive arm of the vehicle, which drives the wiper to repeatedly slide across the windshield, wiping off rainwater, dirt, and other foreign matter from the windshield.

[0003] In addition, in a vehicle wiper, the drive arm of the wiper is mainly connected to an adapter member, and a metal elastic piece and a wiper blade are connected to the bottom side of the adapter member, so that the drive arm of the wiper drives the adapter member and presses the metal elastic piece and the wiper blade to clean the vehicle windshield. Summary of the Invention [Problem to be solved by the invention]

[0004] However, the adapter member and the wiper drive arm are connected by a tightening or engagement method, but after a certain period of use, they tend to come off, which affects the force exerted by the wiper drive arm, so improvements are needed.

[0005] Therefore, the present inventor believed that the above drawbacks could be improved, and after extensive research, he came up with the present invention, which effectively improves the above issues through rational design.

[0006] SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and aims to provide a wiper assembly structure for solving the above problems. [Means for solving the problem]

[0007] To achieve the above object, one aspect of the present invention provides a wiper assembly structure comprising a pivot bracket, a holder, an adapter base, an adapter cover, and a wiper blade. The pivot bracket includes a pivot base and a pair of extension arms connected to both sides of the pivot base, the pivot base having a plurality of engagement grooves. The holder has an accommodation space and a plurality of buckles, and the holder is engaged with the engagement grooves so as to be coupled to the pivot base by the buckles. The adapter base is coupled to the accommodation space and includes a base, a first pivot portion installed on the base, and a second pivot portion for pivotally mounting the drive arm. The adapter cover is pivotally mounted to the first pivot portion and engaged with the base, thereby locking the drive arm from detaching from the base. The wiper blade is coupled to the bottom side of the holder.

[0008] In a preferred embodiment of the present invention, the wiper assembly structure further includes a pair of air deflectors coupled to both sides of the holder, each air deflector having a pair of clamp blocks and a protrusion located between the pair of clamp blocks, and a pair of hooks and hook holes respectively provided on both sides of the holder, and each air deflector is coupled to one side of the holder by mutually engaging the pair of clamp blocks with the pair of hooks, protrusions and hook holes.

[0009] In a preferred embodiment of the present invention, the pivot base has two support plates spaced apart between the pivot shaft and a pair of extension arms, and the pivot shaft is straddled by the two support plates.

[0010] In a preferred embodiment of the present invention, the plurality of buckles are symmetrically arranged on opposite sides of the receiving space.

[0011] In a preferred embodiment of the present invention, the first pivot portion and the second pivot portion are pivot shafts.

[0012] In a preferred embodiment of the present invention, the adapter cover comprises a cover and a perforation provided in the cover, and the adapter cover is coupled to the adapter base by having a first pivot portion extending through the perforation.

[0013] In a preferred embodiment of the present invention, the adapter cover includes a pair of clamp blocks mounted on the cover, and a pair of clamp holes in the base, and the adapter cover is positioned on the base by engaging the pair of clamp blocks with the pair of clamp holes.

[0014] In a preferred embodiment of the present invention, the adapter cover includes a pull plate protruding from the periphery of the cover.

[0015] In a preferred embodiment of the present invention, the perforated portion and the pair of clamp blocks are located on opposite sides of the cover.

[0016] In a preferred embodiment of the present invention, the adapter cover includes a plurality of reinforcing ribs spaced apart on the bottom side of the cover. [Effects of the Invention]

[0017] The present invention is configured as described above and has the following advantages. In the wiper assembly structure of the present invention, the holder is connected to the pivot bracket, the adapter base is connected to the holder, and the adapter cover is pivotally attached to the adapter base, so that when the drive arm is connected to the adapter base, the adapter cover can lock the drive arm, preventing the drive arm from coming off the adapter base, ensuring the connection between the adapter member and the wiper drive arm, and simplifying the wiper installation structure, improving practicality and convenience in use.

[0018] At least the following points will become clear from the description and drawings to be described later. [Brief explanation of the drawings]

[0019] [Figure 1] 1 is a schematic diagram illustrating the use of a wiper assembly structure according to an embodiment of the present invention; [Figure 2] 1 is a schematic exploded view showing a wiper assembly structure according to an embodiment of the present invention; [Figure 3] 1 is a schematic diagram showing a combination of holders according to an embodiment of the present invention; [Figure 4] 1 is a cross-sectional view showing a wiper assembly structure in accordance with an embodiment of the present invention; [Figure 5] 1 is a cross-sectional view showing a wiper assembly structure in accordance with an embodiment of the present invention; [Figure 6] 1 is a cross-sectional view illustrating the use of a wiper assembly structure according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0020] The present invention will be described below with reference to the accompanying drawings, in which: FIG. 1 is a block diagram of a conventional optical fiber cable; FIG. 2 is a block diagram of a conventional optical fiber cable;

[0021] Fig. 1 is a schematic diagram showing the use of a wiper assembly structure according to an embodiment of the present invention, Fig. 2 is a schematic exploded view showing a wiper assembly structure according to an embodiment of the present invention, and Fig. 3 is a schematic diagram showing the combination of a holder according to an embodiment of the present invention.

[0022] The wiper assembly structure 1 according to the present invention comprises a pivot bracket 10, a holder 20, an adapter base 30, an adapter cover 40, and a wiper blade 50. The holder 20 is coupled to the pivot bracket 10. The adapter base 30 is coupled to the holder 20. The adapter cover 40 is pivotally attached to the adapter base 30. The wiper blade 50 is coupled to the bottom side of the pivot bracket 10. In this manner, the adapter base 30 can be coupled to the drive arm 2. The adapter cover 40 can also lock the drive arm 2 to prevent it from detaching from the adapter base 30. The adapter base 30 is interchangeable in different forms and can be used to accommodate drive arms 2 of different model numbers and to install the wiper blade on different vehicle models.

[0023] The pivot bracket 10 according to the present invention includes a pivot base 11 and a pair of extension arms 12 connected to both sides of the pivot base 11. The pivot base 11 has a pivot shaft 111 and a plurality of engagement grooves 112. The pivot base 11 also includes two support plates 113 spaced apart between the pair of extension arms 12, and the pivot shaft 111 straddles the two support plates 113.

[0024] The holder 20 has an accommodating space 200 and a plurality of buckles 21. The holder 20 is coupled to the pivot base 11 by the plurality of buckles 21, which are engaged with the engaging grooves 112 of the pivot bracket 10. In this embodiment, the plurality of buckles 21 are symmetrically installed on opposite sides of the accommodating space 200.

[0025] In this embodiment, the wiper assembly structure 1 further includes a pair of air deflectors 60. The pair of air deflectors 60 are coupled to both sides of the holder 20. Specifically, each air deflector 60 has a pair of clamp blocks 61 and a protrusion 62 located between the pair of clamp blocks 61. A pair of hooks 22 and hook holes 23 are respectively provided on both sides of the holder 20. Each air deflector 60 is coupled to one side of the holder 20 by the pair of clamp blocks 61 engaging with the pair of hooks 22, protrusions 52, and hook holes 23. Specifically, each air deflector 60 has a pair of edge folds 63 on one end facing the holder 20. Each clamp block 61 is located between the inner wall surface of the air deflector 60 and each edge fold 63.

[0026] The adapter base 30 is coupled to the accommodation space 200 and includes a base 31, a first pivot portion 32 installed on the base 31, and a second pivot portion 33 for pivotally connecting to the drive arm 2. In this embodiment, the first pivot portion 32 and the second pivot portion 33 are each a pivot shaft. In addition, a pivot hole 34 for coupling the pivot shaft 111 of the pivot base 11 is provided on the bottom side of the base 31.

[0027] Furthermore, the adapter cover 40 is pivotally attached to the first pivot portion 32 and engaged with the base 31, thereby locking the drive arm 2 so that it does not detach from the base 31. Specifically, the adapter cover 40 includes a cover 41 and a hole 42 provided in the cover 41. The adapter cover 40 is coupled to the adapter base 30 by the first pivot portion 32 penetrating through the hole 42. The adapter cover 40 also includes a pair of clamp blocks 43 provided on the cover 41. The base 31 of the adapter base 30 is provided with a pair of clamp holes 35. The adapter cover 40 is positioned on the base 31 by the pair of clamp blocks 43 engaging with the pair of clamp holes 35.

[0028] In this embodiment, the perforated portion 42 and the pair of clamp blocks 43 are located on opposite sides of the cover 41. The adapter cover 40 also includes a plurality of reinforcing ribs 44. The reinforcing ribs 44 are provided at intervals on the bottom side of the cover 41.

[0029] It should be noted that the adapter cover 40 is provided with a pull plate 45 that protrudes from the periphery of the cover 41. By installing the pull plate 45, the drive arm 2 can be attached when the user applies force to pull up the adapter cover 40.

[0030] 4 and 5 are cross-sectional views showing the wiper assembly structure according to the present invention. The pivot shaft 111 of the pivot bracket 10 is coupled to the pivot hole 34 of the adapter base 30 according to the present invention. The wiper blade 50 is coupled to the bottom side of the pivot bracket 10. A pair of air deflectors 60 are coupled to both sides of the holder 20 (see FIG. 4).

[0031] 5, the holder 20 is connected to the pivot bracket 10 by mutually engaging the multiple buckles 21 with the engaging grooves 112 of the pivot bracket 10. The adapter base 30 is connected to the holder 20. The adapter cover 40 is pivotally attached to the adapter base 30. The wiper blade 50 is connected to the bottom side of the pivot bracket 10.

[0032] 6 is a cross-sectional view showing the use of the wiper assembly structure of the present invention. The drive arm 2 of the present invention is pivotally attached to the second pivot part 33. The adapter cover 40 is pivotally attached to the first pivot part 32, and the end of the adapter cover 40 is located above the drive arm 2 and is used to lock the drive arm 2 to prevent it from coming off.

[0033] The present invention has been described above based on the embodiments. These embodiments are merely examples, and it will be understood by those skilled in the art that various modifications are possible in the combination of each component and each processing step, and that such modifications are also within the scope of the present invention. [Explanation of symbols]

[0034] 1. Wiper assembly structure 2 drive arms 10 Pivot bracket 11 Pivot Base 111 Pivot shaft 112 Engagement groove 113 Support plate 12 extension arms 20 Holder 200 storage space 21 Buckle 22 Hook 23 Hook hole 30 adapter base 31 Base 32 First pivot part 33 Second pivot part 34 pivot holes 35 clamp holes 40 Adapter cover 41 Cover 42 Perforation part 43 Clamp Block 44 Reinforcing rib 45 Pull Plate 50 wiper blades 60 Air Deflector 61 Clamp Block 62 Protrusion 63 Edge bending

Claims

1. A wiper assembly structure used to couple to a drive arm, comprising: A pivot bracket including a pivot base and a pair of extension arms connected to opposite sides of the pivot base, the pivot base has a plurality of engagement grooves; a holder having a receiving space and a plurality of buckles, the holder being engaged with the plurality of engagement grooves by the plurality of buckles so as to be coupled to the pivot base; an adapter base coupled in the receiving space, the adapter base including a base, a first pivot portion mounted on the base, and a second pivot portion for pivotally connecting to the drive arm; an adapter cover pivotally attached to the first pivot portion and engaged with the base to prevent the drive arm from detaching from the base; a wiper blade coupled to the bottom side of the holder.

2. a pair of air deflectors coupled to opposite sides of the holder; Each air deflector has a pair of clamp blocks and a protrusion located between the pair of clamp blocks, A pair of hooks and hook holes are respectively provided on both sides of the holder; 2. The wiper assembly structure according to claim 1, wherein each of the air deflectors is coupled to one side of the holder by a pair of the clamp blocks being mutually engaged with a pair of the hooks, the protrusions, and the hook holes.

3. the pivot base has two support plates spaced apart between the pivot shaft and the pair of extension arms; 2. The wiper assembly structure according to claim 1, wherein the pivot shaft is disposed across two of the support plates.

4. The wiper assembly structure according to claim 1 , wherein the plurality of buckles are symmetrically installed on opposite sides of the receiving space.

5. The wiper assembly structure according to claim 1 , wherein the first pivot portion and the second pivot portion are pivot shafts.

6. the adapter cover includes a cover and a perforation provided in the cover; The wiper assembly structure according to claim 5, wherein the adapter cover is coupled to the adapter base by the first pivot portion being inserted through the perforation portion.

7. the adapter cover includes a pair of clamp blocks mounted on the cover; The base is provided with a pair of clamp holes, The wiper assembly structure according to claim 6, wherein the adapter cover is positioned on the base by engaging a pair of the clamp blocks with a pair of the clamp holes.

8. 8. The wiper assembly structure of claim 7, wherein the adapter cover includes a pull plate protruding from a peripheral edge of the cover.

9. 8. The wiper assembly structure according to claim 7, wherein the perforated portion and the pair of clamp blocks are located on opposite sides of the cover.

10. 8. The wiper assembly structure of claim 7, wherein said adapter cover includes a plurality of spaced apart reinforcing ribs on a bottom side of said cover.