Wiper group arrangement

By employing an interference-fitting method of pressure blocks and convex strips in the wiper structure, the problems of cumbersome and time-consuming existing wiper structures and easy detachment are solved, achieving a stable connection and reduced costs.

CN116135619BActive Publication Date: 2026-03-31DANYANG UPC AUTO PARTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-17
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing method of fixing wiper structures is cumbersome, time-consuming, and prone to falling off, resulting in high manufacturing costs and inconvenience in use.

Method used

The system employs an interference fit between the fixed base with multiple pressure blocks and the end-formed protrusions of the accessory seat side plate, combined with the snap-fit ​​of the housing base and the snap-fit ​​hole of the accessory seat, to ensure that the accessory seat is securely attached to the fixed base.

Benefits of technology

The assembly process of the wiper structure has been simplified, the connection between the mounting bracket and the accessory bracket has been strengthened, the problem of detachment has been avoided, and the manufacturing cost has been reduced.

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Abstract

The application provides a wiper structure, which comprises a fixing base, a component base and a wiper strip group. The fixing base comprises a shell base and a plurality of pressing blocks arranged in the shell base. The component base comprises a bottom plate and two side plates vertically extending from the bottom plate, and two ends of each side plate are respectively formed with a tab. The component base is inserted into the shell base through the tabs and is positioned in the fixing base by the pressing of the pressing blocks. The wiper strip group comprises an elastic sheet and a rubber strip. The elastic sheet is arranged on the bottom side of the bottom plate, and the rubber strip is combined with the elastic sheet and extends on the opposite side of the component base. Thus, the assembly of the wiper structure is simplified, and the wiper structure is stable.
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Description

Technical Field

[0001] This application relates to a wiper structure, and more particularly to a wiper assembly structure. Background Technology

[0002] Car wipers are mounted on the outer side of the car window. They are connected to the wiper drive arm, which applies force to the wiper and causes it to swing repeatedly on the glass surface to remove rainwater or dirt and other foreign objects.

[0003] Furthermore, a typical windshield wiper structure mainly includes an accessory holder, a mounting bracket, and a cover. The bottom surface of the accessory holder is fitted with a rubber wiper blade. The mounting bracket is assembled onto the accessory holder, and the cover is then installed on top of the mounting bracket. This fixes the wiper drive arm to the accessory holder, thereby driving the accessory holder and pressing the wiper blade to achieve the function of cleaning the glass.

[0004] Furthermore, the aforementioned wiper mounting brackets are mostly attached to the accessory holder via pivoting or swivel fastening. However, the pivoting method is cumbersome and time-consuming, resulting in higher manufacturing costs. In addition, the swivel fastening method is prone to detachment during swinging, causing inconvenience in use. Summary of the Invention

[0005] This application provides a wiper assembly structure to simplify the assembly of the wiper structure and to stabilize the connection between the wiper mounting bracket and the accessory bracket.

[0006] To achieve the above objectives, this application provides a wiper assembly structure, including a mounting base, an accessory holder, and a wiper blade assembly. The mounting base includes a housing and a plurality of pressure blocks disposed within the housing. The accessory holder includes a base plate and two side plates extending vertically from the base plate. Each side plate has protrusions formed at its two ends. The accessory holder is inserted into the housing via the protrusions and is positioned within the mounting base by the pressure blocks. The wiper blade assembly includes an elastic sheet and a rubber strip. The elastic sheet is disposed on the bottom side of the base plate, and the rubber strip is coupled to the elastic sheet and extends to the opposite side of the accessory holder.

[0007] In one embodiment, the housing is provided with receiving grooves at the positions of the two side plates corresponding to the accessory seat, and each corner of the housing is provided with a pressure block.

[0008] In one embodiment, the housing has multiple fasteners formed around the periphery of the receiving groove, and the two side plates have multiple fastening holes corresponding to the positions of the multiple fasteners, with each fastener fastened into its respective fastening hole.

[0009] In one embodiment, the housing has multiple support plates formed at the bottom of the receiving groove, and the two ends of the base plate abut against each support plate respectively.

[0010] In one embodiment, each support piece is positioned corresponding to the position of each pressure block, and each protrusion is inserted between each support piece and each pressure block.

[0011] In one embodiment, the housing has grooves on both sides of each support piece, and each protrusion is inserted between the groove and the pressure block.

[0012] In one embodiment, the cross-section of the base plate is configured to correspond to the cross-section of the support plate, and the cross-section of the base plate is U-shaped.

[0013] In one embodiment, the accessory seat further includes a pivot disposed between two side plates, each side plate having a notch on either side of the pivot.

[0014] In one embodiment, the wiper assembly structure further includes a cover with a perforation, through which a pivot is engaged to attach the cover to a fitting seat.

[0015] Compared to existing technologies, the wiper assembly structure of this application features multiple pressure blocks on the mounting base and multiple protrusions formed at the end of the side plate of the accessory holder. This allows the accessory holder to be inserted into the housing via the protrusions and pressed by the pressure blocks, and to be assembled into the mounting base through an interference fit without loosening or separating, thereby achieving a stable connection. In addition, the mounting base of the wiper assembly structure has multiple fasteners formed around its periphery, and the two side plates of the accessory holder have multiple fastening holes corresponding to the positions of the fasteners. Accordingly, the fasteners of the mounting base are fastened into the fastening holes of the accessory holder, so that the accessory holder is more securely connected to the mounting base, thereby simplifying the wiper structure and achieving a stable connection. Attached Figure Description

[0016] Figure 1 This is a three-dimensional appearance diagram of the wiper assembly structure of this application.

[0017] Figure 2 This is a three-dimensional exploded view of the wiper assembly structure of this application.

[0018] Figure 3 This is a three-dimensional exploded view of the mounting base and accessory base of this application.

[0019] Figure 4 This is a three-dimensional schematic diagram of the wiper assembly structure after the cover has been removed.

[0020] Figure 5 and Figure 6 This is a combined sectional view of the wiper assembly structure of this application after the cover has been removed from both sides.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1: Wiper assembly structure;

[0023] 2: Drive arm;

[0024] 10: Fixture;

[0025] 100: Open;

[0026] 11: Shell base;

[0027] 110: Receiving slot;

[0028] 111: Cutout;

[0029] 112: Support plate;

[0030] 113: Groove;

[0031] 12: Press the brake block;

[0032] 20: Accessory holder;

[0033] 201: Pivot;

[0034] 21: Base plate;

[0035] 22: Side panel;

[0036] 220: Notch;

[0037] 221: Buckle hole;

[0038] 23: Lug;

[0039] 30: Scraper strip assembly;

[0040] 31: Elastic sheet;

[0041] 32: Adhesive strip;

[0042] 40: Protective cover;

[0043] 401: Perforation. Detailed Implementation

[0044] The detailed description and technical content of this application will be explained below with reference to the accompanying drawings. However, the drawings are for illustrative purposes only and are not intended to limit the scope of this application.

[0045] Please refer to Figure 1 and Figure 2The diagram shows a perspective view and an exploded perspective view of the wiper assembly structure of this application. This application provides a wiper assembly structure 1 for connecting a drive arm 2. The wiper assembly structure 1 includes a mounting base 10, an accessory base 20, a wiper blade assembly 30, and a cover 40. The accessory base 20 is connected to the mounting base 10 via an interference fit. The wiper blade assembly 30 is connected to the bottom surface of the accessory base 20. In this embodiment, the accessory base 20 is provided with a pivot 201. Furthermore, the cover 40 is provided with a through hole 401. The cover 40 is connected to the accessory base 20 through the pivot 201 connected in the through hole 401, thereby completing the wiper assembly structure 1. A more detailed description of the wiper assembly structure 1 is provided below.

[0046] Please refer to another source. Figures 3 to 6 The diagram shows an exploded perspective view of the mounting base and accessory holder of this application, a perspective view of the wiper assembly structure after the cover is removed, and a combined sectional view from two side directions. In one embodiment of this application, the mounting base 10 includes a housing 11 and a plurality of pressing blocks 12 disposed in the housing 11. The accessory holder 20 includes a base plate 21 and two side plates 22 extending vertically from the base plate 21. Each side plate 22 has a protrusion 23 formed at its two ends. The accessory holder 20 is inserted into the housing 11 by the protrusions 23 and is positioned within the mounting base 10 by being pressed by the pressing blocks 12.

[0047] Furthermore, the scraper assembly 30 includes an elastic sheet 31 and an adhesive strip 32. The elastic sheet 31 is disposed on the bottom side of the base plate 21. The adhesive strip 32 is attached to the elastic sheet 31 and extends to the opposite side of the accessory seat 20.

[0048] Specifically, the housing 11 has an opening 100, and the housing 11 has receiving grooves 110 formed at the opening 100 corresponding to the two side plates 22 of the accessory seat 20. Each retaining block 12 is formed at a corner of the receiving groove 110 (the opening 100). Furthermore, the accessory seat 20 includes a pivot 201 disposed between the two side plates 22. The two side plates 22 each have a recess 220 on both sides of the pivot 201. The recess 220 also allows for the combination of different types of drive arms 2, increasing ease of use.

[0049] Preferably, the housing 11 has a plurality of fasteners 111 formed around the periphery of the receiving groove 110, and the plurality of fasteners 111 are adjacent to the opening 100. In addition, the two side plates 22 are provided with a plurality of fastening holes 221 corresponding to the positions of the plurality of fasteners 111. Each fastener 111 is respectively fastened in the respective fastening hole 221, so that the accessory seat 20 can be more securely attached to the fixing seat 10.

[0050] More specifically, the housing 11 has a plurality of support pieces 112 formed at the bottom of the receiving groove 110. Furthermore, both ends of the base plate 21 abut against each support piece 112. In addition, each support piece 112 is positioned corresponding to the position of each pressure block 12. Each protrusion 23 is inserted between each support piece 112 and each pressure block 12 (see...). Figure 3 ).

[0051] In one embodiment of this application, the housing 11 is provided with grooves 113 on both sides of each support piece 112 (see also) Figure 2 Each protrusion 23 is inserted between the groove 113 and the pressure block 12 (see...). Figure 2 and Figure 3 ).

[0052] It should be noted that the cross-section of the base plate 21 is U-shaped, corresponding to the cross-section of the support piece 112 (see [reference]). Figure 6 Accordingly, the base plate 21 and the support piece 112 can reliably abut against each other, so that the two can be more firmly joined together.

[0053] It should also be noted that, when the accessory seat 20 of this application is assembled into the fixing seat 10, the protrusion 23 on one side of the accessory seat 20 is first inserted into the pressing block 12 on one side of the housing 11 and placed into the receiving groove 110. Subsequently, the protrusion 23 on the other side of the accessory seat 20 is pressed into the underside of the pressing block 12 on the other side by a forced insertion method. In this way, the accessory seat 20 is assembled into the fixing seat 10 in an interference fit manner, so that the accessory seat 20 will not detach from the fixing seat 10.

[0054] The above description is only a preferred embodiment of this application and is not intended to limit the scope of protection of this application. Other equivalent variations using the inventive concept of this application should all fall within the patent scope of this application.

Claims

1. A wiper assembly structure for connecting a drive arm, characterized in that, The wiper assembly comprises: a fixing base including a shell base and a plurality of press blocks arranged in the shell base; a fitting base including a bottom plate and two side plates vertically extending from the bottom plate, two ends of each of the side plates are shaped with tabs, the fitting base is inserted into the shell base through the tabs and is pressed by the press blocks to be positioned in the fixing base; and a blade group including an elastic sheet arranged on the bottom side of the bottom plate and a rubber strip combined with the elastic sheet and extending on opposite sides of the fitting base; wherein the shell base is shaped with accommodating grooves corresponding to the positions of the two side plates of the fitting base, the shell base is shaped with the press blocks at the corner ends of the accommodating grooves, and the bottom plate is arranged with support pieces at both ends thereof.

2. The wiper assembly of claim 1, wherein The shell base is shaped with a plurality of buckling pieces around the accommodating grooves, and the two side plates are arranged with a plurality of buckling holes corresponding to the positions of the buckling pieces.

3. The wiper assembly of claim 1, wherein the wiper blade is configured to be attached to the wiper arm by a wiper blade attachment mechanism. Each of the support pieces is arranged corresponding to the position of each of the press blocks, and each of the tabs is inserted between each of the support pieces and each of the press blocks.

4. The wiper assembly of claim 3, wherein the wiper blade is configured to be attached to the wiper arm by the wiper blade coupling member. The shell base is arranged with recesses on both sides of each of the support pieces, and each of the tabs is inserted between the recesses and the press blocks.

5. The wiper assembly of claim 4, wherein the wiper blade is configured to be attached to the wiper arm by the wiper blade coupling member. The cross section of the bottom plate is arranged corresponding to the cross section of the support pieces, and the cross section of the bottom plate is in a U shape.

6. The wiper assembly of claim 1, wherein the wiper blade is configured to be attached to the wiper arm by a clamp. The fitting base further comprises a pivot arranged between the two side plates, and the two side plates are arranged with notches on both sides of the pivot.

7. The wiper assembly structure of claim 6, wherein Further comprising a cover, the cover is arranged with a through hole, and the cover is combined with the pivot in the through hole to be combined with the fitting base.

Citation Information

Patent Citations

  • Fixing base for windshield wiper

    CN201951416U

  • Connecting structure of windshield wiper

    CN203358540U

  • Windshield wiper

    CN2723286Y

  • Frameless windshield wiper structure

    US20100024151A1