Novel windscreen wiper strip
Through the integrated structural design, combined with the inverted triangle fixing zone, extrusion plate and reinforced protrusion, the problem of insufficient strength and durability of wiper strips is solved, and a new wiper strip with high strength, low noise and simple molding is achieved.
Patent Information
- Application Number
- CN202420726872.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing wiper strips have shortcomings in terms of strength and durability, especially the two separate structures are prone to deflection, and the overall strength of the integrated structure is low and difficult to form.
The integrated structural design is adopted, including inverted triangle fixing zone, extrusion plate and swing connection, combined with reinforced projections or grooves, to achieve overall strength and stability improvement, and to reduce noise through simple molding.
It improves the overall strength and durability of the wiper strip, reduces noise, and is simple in production and has obvious cost advantages.
Smart Images
Figure CN222157407U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to a novel wiper strip. Background Art
[0002] A wiper strip is a device used on the front windshield of a car to scrape off rain or dirt. This type of wiper strip is usually designed to be made of rubber and is arranged in a long strip shape. Then, after the wiper strip is clamped by a wiper fixing clip, the wiper is swung left and right to remove rain or dirt.
[0003] In order to increase the strength, the existing wiper strips are usually designed in two forms. One is a left and right separate piece, which are fixed to the steel sheet through the side slots respectively, and the whole support is achieved after fixation. However, since the joint of the two wiper strips is relatively smooth, the two are easily offset from each other when they are used in combination and subjected to force; the other is an integrated wiper strip. The overall strength of the wiper strip with this integrated structure is low. In order to improve the strength, technicians in the relevant field adopt the method of setting a metal skeleton inside it to achieve molding. However, this structure only remains in the design stage. According to the current molding method and technology, it is impossible to achieve the molding of this wiper strip with an internal metal skeleton structure.
[0004] In view of the above-mentioned disadvantages, the various types of wiper strips currently disclosed in the art cannot solve the various technical problems in the prior art under the premise of being consistent with actual production. Therefore, as a technician in this field, designing a new type of wiper strip with a simple structure, convenient production, guaranteed strength, noise reduction and durability is a technical problem that needs to be urgently solved in this field. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, the utility model provides a novel wiper strip, which adopts an integrated structure and improves the overall force-bearing structure of its main body. On the basis of easy molding, it can reduce noise during product use and improve product strength and durability.
[0006] In order to achieve the above technical objectives, the utility model adopts the following scheme: a new type of wiper strip, which includes a top surface and a fixing groove, a triangular fixing area is arranged at the lower part of the fixing groove, and the top surface cross-sectional length of the triangular fixing area is greater than the bottom cross-sectional length; an extrusion plate is arranged at the lower part of the triangular fixing area, and the lower part of the extrusion plate is connected to the water drop cleaning surface.
[0007] The bottom cross section of the triangular fixing area is arranged in a surface-fitting structure with the extruded plate, and the cross-sectional length of the extruded plate is greater than the bottom cross-sectional length of the triangular fixing area.
[0008] The size range of the bottom cross-section length A is 1 to 5 mm.
[0009] A swing connection portion is provided between the extrusion plate and the water drop cleaning surface, and the cross-sectional length of the swing connection portion is not less than 2 mm.
[0010] The side surfaces of the triangular fixing area are provided with reinforcement protrusions or reinforcement grooves, and the reinforcement protrusions or reinforcement grooves are arranged at intervals.
[0011] The reinforcing protrusions or reinforcing grooves include X-shapes, W-shapes or V-shapes, and stress dispersion during vertical extrusion is achieved through the reinforcing protrusions or reinforcing grooves.
[0012] The reinforcing protrusions or reinforcing grooves are densely distributed in the middle of the entire novel wiper strip and sparsely distributed on both sides.
[0013] The beneficial effects of the utility model are as follows: through the above arrangement, the utility model is designed to include a top surface and a fixing groove, a triangular fixing area is arranged at the lower part of the fixing groove, the top surface cross-sectional length of the triangular fixing area is greater than the bottom cross-sectional length; an extrusion plate is arranged at the lower part of the triangular fixing area, and the lower part of the extrusion plate is connected to the water drop cleaning surface; by adopting an integrated structure arrangement, the utility model adopts an inverted triangle structure to improve the overall strength, and the noise is low during use. Reinforcement protrusions or reinforcement grooves are also arranged on the sides of the triangular fixing area to realize vertical pressure decomposition, effectively improving the overall stability, and the manufacturing is convenient and the durability is good. It is an ideal new wiper strip. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0016] Figure 3 The side view structure of the utility model is shown in FIG. Figure Ⅰ ;
[0017] Figure 4 The side view structure of the utility model is shown in FIG. Figure II ;
[0018] Figure 5 The side view structure of the utility model is shown in FIG. Figure III ;
[0019] In the attached figure:
[0020] 1. Top surface, 2. Fixing groove, 3. Triangular fixing area, 4. Extrusion plate, 5. Swinging connection part, 6. Water drop cleaning surface, 7. Reinforced side surface, 8. Reinforced protrusion, 81. X-shaped protrusion, 82. W-shaped protrusion, 83. V-shaped protrusion, 9. Steel sheet. DETAILED DESCRIPTION
[0021] As attached Figure 1 , 2 As shown, a novel wiper strip includes a top surface 1 and a fixing groove 2, which is the same as the structure in the prior art. The fixing groove 2 here is symmetrically arranged on the left and right, and is combined with the steel sheet 9 through the fixing groove 2.
[0022] A triangular fixing area 3 is arranged at the lower part of the fixing groove 2, and the triangular fixing area 3 is arranged in an inverted triangular structure. As shown in the attached figure, the length of its top cross-section is greater than the length of its bottom cross-section; an extrusion plate 4 is arranged at the lower part of the triangular fixing area, and the bottom cross-section of the triangular fixing area 3 is arranged in a surface-combined structure with the extrusion plate. This structure can ensure the overall strength at the lower bottom surface of the triangular fixing area 3.
[0023] Furthermore, when designing the overall dimensions of the utility model, the dimension range of the bottom cross-section length A of the constrained triangular fixing area 3 is 1 to 5 mm. Through the dimension constraint here, the connection area between the bottom cross-section of the triangular fixing area 3 and the extrusion plate 4 can be guaranteed. Even if a triangular structure is adopted, the bonding strength of the narrower bottom area can still be guaranteed.
[0024] The utility model designs the cross-sectional length of the extrusion plate 4 to be greater than the bottom cross-sectional length of the triangular fixed area; the lower part of the extrusion plate 4 is connected to the water drop cleaning surface 6; a swing connection part 5 is provided between the extrusion plate 4 and the water drop cleaning surface 6, and the cross-sectional length of the swing connection part 5 is not less than 2 mm, and 3 mm is generally used in this embodiment. This is the area where the water drop cleaning surface 6 is often bent in the working state, and it is also an area that is prone to aging and damage. Constraining its minimum size can ensure that the material in this area is sufficient to support the force of multiple swings and avoid fractures in this area. When the water drop cleaning surface 6 swings, it is directly squeezed into one with the extrusion plate 4 after bending. By designing the cross-sectional length of the extrusion plate 4 to be greater than the bottom cross-sectional length of the triangular fixed area, it can be ensured that the extrusion plate 4 has enough space to receive the extrusion from the water drop cleaning surface 6, and the support of the water drop cleaning surface 6 is promoted by the extrusion plate 4.
[0025] As a further structural improvement, the utility model provides a reinforcing protrusion or a reinforcing groove on the side of the triangular fixing area 3 to form a reinforcing side surface 7. In this embodiment, a plurality of reinforcing protrusions 8 are provided and the plurality of reinforcing protrusions 8 are arranged at intervals.
[0026] The reinforcing protrusion 8 mentioned above includes an X-shaped reinforcing protrusion 81, a W-shaped reinforcing protrusion 82 or a V-shaped reinforcing protrusion 83. The purpose of providing the reinforcing protrusion 8 is to achieve stress dispersion during vertical force extrusion. The vertical extrusion referred to here is the bidirectional extrusion of the entire new wiper strip driven by the steel sheet 9 and the reverse force of the glass.
[0027] Furthermore, when the reinforcing protrusions 8 described above are arranged on the entire new wiper strip, they are densely distributed in the middle of the wiper strip and sparsely distributed on both sides. After actual force testing, this layout is the design state with the best stability and highest strength.
[0028] The utility model adopts an integrated structure, which is simple to form and does not require multiple sets of molds for forming. It has cost advantages over wiper strips with two separate left and right pieces. It adopts an inverted triangle structure to improve the overall strength and has low noise during use. Reinforcement protrusions or reinforcement grooves are also provided on the sides of the triangle fixing area to achieve vertical pressure decomposition, effectively improving the overall stability. It is easy to manufacture and has good durability. It is an ideal new wiper strip.
Claims
1. A new type of wiper strip, characterized by: It includes a top surface and a fixing groove, a triangular fixing area is arranged at the bottom of the fixing groove, the top surface cross-sectional length of the triangular fixing area is greater than the bottom cross-sectional length; an extrusion plate is arranged at the bottom of the triangular fixing area, and the lower part of the extrusion plate is connected to the water drop cleaning surface.
2. A novel wiper strip as claimed in claim 1, characterized in that: The bottom cross section of the triangular fixing area is arranged in a surface-fitting structure with the extruded plate, and the cross-sectional length of the extruded plate is greater than the bottom cross-sectional length of the triangular fixing area.
3. A novel wiper strip as claimed in claim 1, characterized in that: The size range of the bottom cross-section length A is 1 to 5 mm.
4. A novel wiper strip as claimed in claim 1, characterized in that: A swing connection portion is provided between the extrusion plate and the water drop cleaning surface, and the cross-sectional length of the swing connection portion is not less than 2 mm.
5. A novel wiper strip as claimed in claim 1, characterized in that: The side surfaces of the triangular fixing area are provided with reinforcement protrusions or reinforcement grooves, and the reinforcement protrusions or reinforcement grooves are arranged at intervals.
6. A novel wiper strip as claimed in claim 5, characterized in that: The reinforcing protrusions or reinforcing grooves include X-shapes, W-shapes or V-shapes, and stress dispersion during vertical extrusion is achieved through the reinforcing protrusions or reinforcing grooves.
7. A novel wiper strip according to claim 5 or 6, characterized in that: The reinforcing protrusions or reinforcing grooves are densely distributed in the middle of the entire novel wiper strip and sparsely distributed on both sides.