Integrated cartilage windshield wiper and assembly process

By adopting the integrated cartilage wiper design in the wiper, and using multiple sets of fixers to connect the elastic steel sheet with the wiper strip, the problem of insecure connection and high processing costs in the existing wiper is solved, and a more stable and efficient wiper effect is achieved.

CN119898304APending Publication Date: 2025-04-29DANYANG HURST AUTO PARTS CO LTD

Patent Information

Application Number
CN202510121468.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-04-29

AI Technical Summary

Technical Problem

The elastic steel sheets in existing wipers are not connected firmly to the rubber strips, which causes the rubber strips to shake during use, affecting the cleaning effect. The manufacturing cost of stamping and processing molds is high, the steel material is wasted and the steel sheets are concentrated.

Method used

An integrated cartilage wiper is adopted, and the elastic steel sheet is connected to the wiper rubber strips through multiple sets of fixing devices. Each pair of fixing claws of the fixing device is formed to cooperate and fix each other through the upper abutment table and the lower abutment table, and is fixed to the wiper rubber strips through the jaw part to form an integrated structure.

Benefits of technology

The stability and integration of the connection between the elastic steel sheet and the wiper rubber strip is ensured. The wiper rubber strip is more uniformly elastic with the elastic steel sheet, has better wipe effect, and has a more stable structure, reducing waste and stress concentration problems.

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Abstract

The invention discloses an integrated cartilage windshield wiper which comprises an elastic steel sheet, a flow guide strip, a windshield wiper rubber strip and a plurality of sets of fixers. The fixer comprises fixing claws which are arranged in pairs, and the upper end of each fixing claw is provided with an upper abutting table and a lower abutting table which are arranged in parallel; a clamping jaw part is arranged at the lower end of the fixing jaw and can be clamped into a matching groove formed in the outer side of the windscreen wiper rubber strip. According to the windshield wiper structure, the elastic steel sheet and the windshield wiper rubber strip are assembled and fixed through the fixator, each pair of fixing claws of the fixator are matched and fixed through the upper abutting table and the lower abutting table, meanwhile, an integrated structure is formed through the welding technology, and the lower ends of the fixing claws are fixed to the windshield wiper rubber strip through the clamping claw parts; after the fixing claw and the windscreen wiper rubber strip are connected, the integrity of the fixing claw and the windscreen wiper rubber strip is higher, the elastic force of the elastic steel sheet on the windscreen wiper rubber strip is more uniform, and the water wiping effect is better when the windscreen wiper is used.
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Description

Technical Field

[0001] The present invention relates to the technical field of windshield wipers, and in particular to an integrated cartilage windshield wiper and an assembly process. Background Art

[0002] A windshield wiper is a tool used to clean the front glass of a motor vehicle to prevent rain and other dirt from affecting vision. The elastic steel sheet in the windshield wiper can keep the wiper rubber strip close to the window glass to ensure the cleaning effect. Most of the elastic steel sheets in existing windshield wipers have a narrow strip processed in the middle of the entire steel sheet, and the wiper rubber strip is clamped in the narrow strip. This solution requires a special stamping mold, which has a high mold manufacturing cost, and the stamped steel material causes waste. At the same time, there is stress concentration in the punching area of ​​the steel sheet after stamping, resulting in the steel sheet applying an unconcentrated elastic force to the rubber strip.

[0003] Chinese invention patent CN101977800B discloses a wiper blade, where the ends of the spring strips are connected to each other through a bridge piece to form a combined steel sheet; the bridge piece is fixed to the elastic steel sheet through the arm under the angle piece or the hook at the free end of the arm, but the fixation is not strong enough. In the intermediate process, the bridge piece is easy to fall off, causing the elastic steel sheet to spread out, affecting the next step of assembly. There is only one fixed point between the bridge piece and each elastic steel sheet, and the two are easy to shake, causing the rubber strip of the wiper to shake during operation, affecting the cleaning effect.

[0004] In view of this, it is necessary to improve the existing wipers to enhance the reliability and firmness of the elastic steel sheet, rubber strip and fixing structure, maintain the stability of the fixing parts and the elastic steel sheet in the intermediate process, and prevent the rubber strip from shaking during the operation of the wiper. Summary of the invention

[0005] In view of the defects in the prior art, the purpose of the present invention is to provide an integrated cartilage wiper, which adopts an integrated structure to fix the wiper rubber strip and the elastic steel sheet, so as to ensure that it is more stable during use and has a better wiping effect.

[0006] The technical solution adopted by the present invention is: an integrated cartilage wiper, comprising an elastic steel sheet, a guide strip and a wiper rubber strip respectively arranged above and below the elastic steel sheet, and a plurality of sets of fixers for fixing the wiper rubber strip;

[0007] The fixing device comprises fixing claws arranged in pairs, and the upper end of each fixing claw is provided with an upper abutment platform and a lower abutment platform arranged in parallel. Each pair of fixing claws is located on both sides of the elastic steel sheet in the long direction and arranged opposite to each other, so that the upper abutment platform on one of the fixing claws can be abutted and fixed with the upper end of the lower abutment platform of the other fixing claw; the lower end of the fixing claw is provided with a claw portion, and the claw portion can be clamped into a matching groove arranged on the outside of the wiper rubber strip.

[0008] The elastic steel sheet in the integrated cartilage wiper provided in the technical solution is connected to the wiper strip through multiple groups of fixers. On the one hand, each pair of fixing claws of the fixer are fixed to each other through the upper abutment platform and the lower abutment platform, and on the other hand, are fixed to the wiper strip through the claw part at the lower end. This not only ensures the stability of the connection between the elastic steel sheet and the wiper strip, but also makes the integrity of the elastic steel sheet and the wiper strip stronger after the connection. The wiper strip is more evenly affected by the elastic force of the elastic steel sheet, and the wiping effect is better when used.

[0009] Preferably, mutually matching inclined surfaces are provided between the upper abutment platform and the lower abutment platform where each pair of fixed claws abut and fix, a snap hole is provided on the upper abutment platform of the fixed claws, and a snap protrusion is provided on the lower abutment platform. Each pair of fixed claws is relatively arranged on both sides of the length of the elastic steel sheet so that the snap protrusions and the snap holes can be snapped and matched with each other.

[0010] Preferably, an embedding groove is provided on a side of the fixing claw opposite to the long edge of the elastic steel sheet, and one long edge of the elastic steel sheet can be inserted into the embedding groove.

[0011] Preferably, the elastic steel sheet is provided with positioning grooves adapted to the width of the fixing claws on both sides in the long direction, and fixing protrusions are provided in the positioning grooves, and the fixing protrusions can be snapped into the fixing grooves provided on the sides of the fixing claws.

[0012] Preferably, a positioning convex portion is provided on the outer side of one end of the wiper rubber strip corresponding to the matching groove.

[0013] Preferably, support strips arranged along the length direction are embedded on both sides of the wiper rubber strip, and the support strips are elastic.

[0014] Preferably, the guide bars are arranged in pairs, and connecting grooves for the edges of the elastic steel sheets to be inserted are provided on the inner sides of the lower edges of the two guide bars corresponding to the length of the elastic steel sheets, and a clearance groove is also provided on the inner side of the guide bars corresponding to each fixing claw installation position.

[0015] Preferably, an end cap is inserted into the end of the guide strip corresponding to the elastic steel sheet, and a guide cap is provided in the middle of the elastic steel sheet between the two guide strips.

[0016] Preferably, the connection assembly includes a connection base located in the middle of the upper end of the elastic steel sheet, and riveted parts fixed to the elastic steel sheet are provided at both ends of the connection base corresponding to the edges of the elastic steel sheet.

[0017] The second object of the present invention is to provide an assembly process of an integrated cartilage wiper, comprising the following steps;

[0018] S1. Assemble the connection base; assemble the connection base to the middle of the upper end of the elastic steel sheet, and fix the riveted parts at both ends of the connection base to the elastic steel sheet through riveting process.

[0019] S2. Fixer assembly: install the two fixing claws of each set of fixers in the positioning grooves on the long edge of the elastic steel sheet so that the fixing protrusions are inserted into the fixing grooves. At the same time, the two fixing claws arranged opposite to each other are fixed by engaging with each other through the upper abutment platform and the lower abutment platform. The assembled fixers are fixed by ultrasonic welding in the area where the fixing claws contact the upper surface of the elastic steel sheet.

[0020] S3. When assembling the wiper strip, insert the support strip into the two outer sides of the wiper strip, and then insert the wiper strip along one end of the elastic steel sheet into between the two fixing claws of each fixture under the elastic steel sheet, so that the claw part at the lower end of each fixing claw is inserted into the matching groove on the outer side of the wiper strip.

[0021] S4. Assemble the guide strip. Assemble the guide strip on top of the elastic steel sheet so that the side of the elastic steel sheet is inserted into the connecting groove inside the guide strip. Then insert the end cover into the end of the guide strip. Finally, install the guide cover between the two guide strips and clamp it on the connecting base.

[0022] The beneficial effects of the present invention are as follows: the wiper structure provided by the present invention assembles and fixes the elastic steel sheet and the wiper rubber strip through a fixer, and each pair of fixing claws of the fixer are fixed to each other through the upper abutment platform and the lower abutment platform on the one hand, and on the other hand, the fixing claws make the elastic steel sheet fixer form an integrated structure through a welding process, ensuring that it can remain stable after long-term use; after the claw parts of each pair of fixing claws are fixed to the wiper rubber strip, the stability of the connection between the elastic steel sheet and the wiper rubber strip is ensured, the wiper rubber strip is more evenly subjected to the elastic force of the elastic steel sheet, the wiping effect is better when in use, and it has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0024] Figure 1 It is a three-dimensional diagram of the integrated cartilage wiper provided in an embodiment of the present invention.

[0025] Figure 2 This is a schematic diagram of the installation of the guide strip of the integrated cartilage wiper provided in an embodiment of the present invention.

[0026] Figure 3 It is a three-dimensional diagram of the fixing claw of the integrated cartilage wiper provided in an embodiment of the present invention.

[0027] Figure 4 This is a stereoscopic diagram of the assembly of the fixed claws of the integrated cartilage wiper provided in an embodiment of the present invention.

[0028] Figure 5 This is a stereoscopic diagram of the installation of the connection base of the integrated cartilage wiper provided in an embodiment of the present invention.

[0029] Figure 6 A three-dimensional diagram of the guide strip of the integrated cartilage wiper provided in an embodiment of the present invention.

[0030] Figure 7 A three-dimensional diagram of the wiper rubber strip of the integrated cartilage wiper provided in an embodiment of the present invention.

[0031] Reference numerals: elastic steel sheet 100, positioning groove 110, fixing protrusion 120;

[0032] Guide strip 200, connecting groove 210, giving way groove 220, end cover 230, guide cover 240;

[0033] Wiper rubber strip 300, matching groove 310, positioning outer protrusion 320, support strip 330;

[0034] The fixing claw 400, the upper abutment platform 410, the lower abutment platform 420, the claw portion 430, the buckle hole 440; the buckle protrusion 450, the fixing groove 460, the embedding groove 470;

[0035] The base 500 and the riveting portion 510 are connected. DETAILED DESCRIPTION

[0036] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0037] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0038] Embodiment 1

[0039] like Figures 1 to 7As shown, a first specific embodiment of the present invention provides an integrated cartilage wiper structure, which has the characteristics of good installation integrity and high stability in use; it specifically includes an elastic steel sheet 100, a guide strip 200 and a wiper rubber strip 300 arranged above and below the elastic steel sheet 100, and a plurality of sets of fixers for fixing the wiper rubber strip; the fixer includes fixed claws 400 arranged in pairs, and the upper end of each fixed claw 400 is provided with an upper abutment platform 410 and a lower abutment platform 420 arranged in parallel, and each pair of fixed claws 400 is located on both sides of the elastic steel sheet 100 in the long direction and arranged opposite to each other, so that the upper abutment platform 410 on one of the fixed claws 400 can be abutted and fixed with the upper end of the lower abutment platform 420 of the other fixed claw 400; the lower end of the fixed claw 400 is provided with a claw portion 430, and the claw portion 430 can be clamped into a matching groove 310 arranged on the outer side of the wiper rubber strip 300.

[0040] like Figures 1 to 6 As shown, through the above-mentioned arrangement, the elastic steel sheet 100 in the integrated cartilage wiper provided in this embodiment is connected to the wiper rubber strip 300 through multiple groups of fixers, and each group of fixers includes a pair of fixing claws 400, the upper ends of the fixing claws 400 are fixedly connected to the elastic steel sheet 100, and the lower ends are fixed to the wiper rubber strip 300; in the specific implementation, each pair of fixing claws 400 is fixed to each other through the upper abutment platform 410 and the lower abutment platform 420 on the one hand, and is fixed to the wiper rubber strip 300 through the claw part 430 at its lower end on the other hand, which not only ensures the stability of the connection between the elastic steel sheet 100 and the wiper rubber strip 300, but also makes the elastic steel sheet 100 and the wiper rubber strip 300 more integrated after the connection, and the wiper rubber strip 300 is more evenly subjected to the elastic force of the elastic steel sheet 100, and has a better wiping effect when in use. In actual application, after the fixing claws 400 are installed on both sides of the elastic steel sheet 100, the fixing claws 400 are welded and fixed by ultrasonic welding technology, so that the fixing claws 400 and the elastic steel sheet 100 form an integrated structure. Compared with the technical solutions in the prior art such as punching holes on the elastic steel sheet 100 and then installing the wiper strip, and slotting the elastic steel sheet 100 to install the strip, the fixing structure provided in this embodiment and the method of fixing the elastic steel sheet 100 are beneficial to further increase the stability of the connection between the elastic steel sheet 100 and the wiper strip 300. In particular, after long-term use, the wiper strip 300 and the elastic steel sheet 100 can still remain relatively stable, and the wiper strip 300 is more evenly stressed, thereby improving the wiping effect.

[0041] like Figure 3 and Figure 4As shown, when each set of fixers is installed on both sides of the elastic steel sheet 100, each pair of fixing claws 400 of the fixers needs to be arranged relatively to each other. In order to facilitate quick installation, each pair of fixing claws 400 are abutted and fixed with an upper abutment platform 410 and a lower abutment platform 420 with matching inclined surfaces that match each other. The upper abutment platform 410 of the fixing claws 400 is provided with a snap hole 440, and the lower abutment platform 420 is provided with a snap protrusion 450. Each pair of fixing claws 400 is relatively arranged on both sides of the length of the elastic steel sheet 100 so that the snap protrusions 450 and the snap holes 440 can be snapped and matched with each other. In this way, each pair of fixing claws 400 can make the matching inclined surfaces of the upper abutment platform 410 and the lower abutment platform 420 cooperate with each other through plug-in. After the upper abutment platform 410 is located above the lower abutment platform 420, the snap protrusions 450 and the snap holes 440 are used to fix each other. After the plug-in fixation, the fixing claws 400 are initially fixed to the outside of the elastic steel sheet 100, so that the ultrasonic welding process can be implemented later to firmly install it on the elastic steel sheet 100.

[0042] like Figures 3 to 5 As shown, in order to ensure a stable fit between the edge of the elastic steel sheet 100 and the fixed claw 400, this embodiment is provided with an embedding groove 470 on the side of the fixed claw 400 opposite to the long edge of the elastic steel sheet 100. In this way, when each pair of fixed claws 400 are plug-in installed, the edge of the elastic steel sheet 100 on one side of the long direction can be inserted into the embedding groove 470, which can play a positioning and anti-slip effect and improve the installation stability. At the same time, this embodiment is also provided with positioning grooves 110 on both sides of the long direction of the elastic steel sheet 100, which are adapted to the width of the fixed claw 400, and a fixing protrusion 120 is provided in the positioning groove 110, and the fixing protrusion 120 can be inserted into the fixing groove 460 provided on the side of the fixed claw 400. In this way, the positioning groove 110 mainly plays the role of installing and positioning the fixing claw 400. When the fixing claw 400 is installed in a plug-in manner, it is inserted into the positioning groove 110 of the elastic steel sheet 100. After being inserted into the positioning groove 110, the fixing protrusion 120 in the positioning groove 110 cooperates with the fixing groove 460 on the side of the fixing claw 400 to further limit the fixing claw 400, thereby preventing the fixing claw 400 from sliding and deviating after the plug-in installation, which is beneficial to improving the installation stability of the fixing claw 400 and the accuracy of the installation position.

[0043] like Figure 7 As shown, the wiper rubber strip 300 needs to be inserted from the bottom of one end of the elastic steel sheet 100 into the installation position between each pair of fixing claws 400 during installation. In order to position the wiper rubber strip 300 after installation, a positioning convex portion 320 is provided on the outer side of one end of the matching groove of the wiper rubber strip 300 in this embodiment. The positioning convex portion 320 can be abutted against the outer side of the fixing claw 400 located at the end of the limiting groove, thereby implementing a limiting effect and preventing the wiper rubber strip 300 from being offset along its length.

[0044] like Figure 7 As shown, in order to improve the flexibility and elasticity of the wiper rubber strip 300, in this embodiment, support strips 330 arranged along the length direction are embedded on both sides of the wiper rubber strip 300, and the support strips 330 are elastic. The support strips 330 can elastically support the wiper rubber strip 300, so that it can evenly contact the surface of the vehicle windshield when in use, thereby improving its wiping effect.

[0045] like Figure 6 As shown, since the guide bar 200 is installed above the elastic steel sheet 100, in a specific implementation, the guide bars 200 are arranged in pairs, and connecting grooves 210 for the edges of the elastic steel sheet 100 to be inserted are provided on the inner sides of the lower edges of the two guide bars 200 corresponding to the long sides of the elastic steel sheet 100, and a clearance groove 220 is also provided on the inner side of the guide bar 200 corresponding to the installation position of each fixed claw 400. An end cover 230 is inserted at the end of the guide bar 200 corresponding to the elastic steel sheet 100, and a guide cover 240 is provided between the two guide bars 200 corresponding to the middle of the elastic steel sheet 100. In this way, after the guide bar 200 is installed above the elastic steel sheet 100, the edge of the elastic steel sheet 100 is inserted into the connecting groove 210 to fix the guide bar 200. Each yield groove 220 can avoid interference with the fixation of the guide bar 200. After the guide bar 200 is fixed, the end caps 230 are inserted into its two ends, and the guide cover 240 is fixed in the position between the two guide bars, which plays a good role in guiding and shielding protection.

[0046] like Figure 2 and Figure 5 As shown, the wiper structure needs to be connected to the vehicle wiper arm in actual use. In this embodiment, a connection assembly is provided on the elastic steel sheet 100, and the connection assembly includes a connection base 500 located in the middle of the upper end of the elastic steel sheet 100 and fixedly connected to the elastic steel sheet 100. The two ends of the connection base 500 are provided with riveted parts 510 corresponding to the edges of the elastic steel sheet 100 and fixed with the elastic steel sheet 100. In this way, the connection base 500 is fixed in the middle of the elastic steel sheet 100, and the riveted parts 510 are riveted and fixed with the elastic steel sheet 200 to ensure stability after installation. The connection base 500 is used to connect the wiper connector structure, and specifically refer to the connection structure disclosed in CN108819908A; in the foregoing, a guide cover is installed in the middle of the elastic steel sheet, and the guide cover 240 can be covered on the connection base 500. In order to enable the connection base 500 to be connected to the wiper arm, a connection port can be correspondingly provided on the guide cover. When installing the wiper structure, the technician simply inserts the mounting structure at the end of the vehicle wiper arm into the connection port to form a detachable connection with the connection base 500. The connection base 500 adapted to the wiper arm can specifically adopt the existing technical structure, which will not be repeated here.

[0047] Embodiment 2

[0048] This embodiment provides an assembly process of the aforementioned integrated cartilage wiper, including the following steps:

[0049] S1. Assemble the connecting base; assemble the connecting base 500 to the middle of the upper end of the elastic steel sheet, and rivet the riveted parts at both ends of the connecting base to the elastic steel sheet through a riveting process; in this step, the riveting process is used to install the connecting base so that the connecting base and the middle of the elastic steel sheet form a stable installation, ensuring assembly stability.

[0050] S2. Fixer assembly: install the two fixing claws 400 of each set of fixers in the positioning groove 110 of the long edge of the elastic steel sheet 100, so that the fixing protrusion 120 is inserted into the fixing groove 460, and at the same time, the two fixing claws 400 arranged opposite to each other are fixed by interlocking with each other through the upper abutment platform 410 and the lower abutment platform 420, and the assembled fixers are welded and fixed by ultrasonic welding in the area where the fixing claws 400 contact the upper surface of the elastic steel sheet 100; in this step, the fixing claws 400 arranged in pairs are installed along both sides of the elastic steel sheet 100 in a plug-in installation manner to form an interlocking fixation, and at the same time, the fixing claws 400 and the elastic steel sheet 100 are formed into an integrated structure with the help of ultrasonic welding technology, which can ensure that the elastic steel sheet 100 has uniform elastic support force on each area of ​​the wiper rubber strip 300, and the contact surface between each area of ​​the wiper strip and the vehicle windshield is more uniform; at the same time, the integrated structure will not cause position displacement or shaking and falling off after long-term use.

[0051] S3. Assemble the wiper strip. After the support strip 330 is embedded into the two outer sides of the wiper strip 300, the wiper strip 300 is passed along one end of the elastic steel sheet 100 between the two fixing claws 400 of each fixer below the elastic steel sheet 100, so that the claw part 430 at the lower end of each fixing claw 400 is inserted into the matching groove 310 on the outer side of the wiper strip 300. In this step, after the wiper strip 300 is passed between each pair of fixing claws 400, the claw part 430 can cooperate with the matching groove 310 to fix the wiper strip 300. Not only is the installation stability high, but the installation is also more convenient and quick. Under the support of the support strip 330, the wiper strip 300 maintains a good supporting effect and is not easily deformed.

[0052] S4. Assemble the guide bar, assemble the guide bar 200 above the elastic steel sheet 100 so that the side of the elastic steel sheet 100 is inserted into the connecting groove 210 inside the guide bar 200, then insert the end cover 230 into the end of the guide bar 200, and finally install the guide cover 240 between the two guide bars 200 and clamp it on the connecting base 500. In this step, the guide bar 200 is clamped and matched with the edge of the elastic steel sheet 100 through the connecting groove 210, so that the guide bar 200 can be stably installed to play a protective and diverting role.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. An integrated cartilage wiper, characterized in that: It comprises an elastic steel sheet (100), a guide strip (200) and a wiper rubber strip (300) arranged above and below the elastic steel sheet (100), and a plurality of sets of fixing devices for fixing the wiper rubber strip (300); The fixing device comprises fixing claws (400) arranged in pairs, and the upper end of each fixing claw (400) is provided with an upper abutment platform (410) and a lower abutment platform (420) arranged in parallel, and each pair of fixing claws (400) is located on both sides of the elastic steel sheet (100) in the long direction and arranged opposite to each other, so that the upper abutment platform (410) on one fixing claw (400) can be abutted and fixed with the upper end of the lower abutment platform (420) of the other fixing claw (400); the lower end of the fixing claw (400) is provided with a clamping claw portion (430), and the clamping claw portion (430) can be clamped into a matching groove (310) arranged on the outer side of the wiper rubber strip (300).

2. The integrated cartilage wiper according to claim 1, characterized in that: Each pair of the fixing claws (400) is provided with mutually matching inclined surfaces between the upper abutting platform (410) and the lower abutting platform (420) to which the fixing claws (400) are abutted and fixed, a buckle hole (440) is provided on the upper abutting platform (410) of the fixing claws (400), and a buckle protrusion (450) is provided on the lower abutting platform (420), and each pair of the fixing claws (400) is relatively arranged on both sides of the elastic steel sheet (100) in the long direction so that the buckle protrusions (450) and the buckle holes (440) can be buckled and matched in pairs.

3. The integrated cartilage wiper according to claim 1, characterized in that: An embedding groove (470) is provided on the side of the fixing claw (400) opposite to the long edge of the elastic steel sheet (100), and one long edge of the elastic steel sheet (100) can be inserted into the embedding groove (470).

4. The integrated cartilage wiper according to claim 1, characterized in that: The elastic steel sheet (100) is provided with positioning grooves (110) adapted to the width of the fixing claw (400) on both sides in the length direction, and a fixing protrusion (120) is provided in the positioning groove (110), and the fixing protrusion (120) can be inserted into a fixing groove (460) provided on the side of the fixing claw (400).

5. The integrated cartilage wiper according to claim 1, characterized in that: A positioning outer protrusion (320) is provided on the outer side of one end of the wiper rubber strip (300) corresponding to the matching groove (310).

6. The integrated cartilage wiper according to claim 1, characterized in that: Support strips (330) arranged along the length direction are embedded on both sides of the wiper rubber strip (300), and the support strips (330) are elastic.

7. The integrated cartilage wiper according to claim 1, characterized in that: The guide bars (200) are arranged in pairs, and the inner sides of the lower edges of the two guide bars (200) are provided with connecting grooves (210) corresponding to the long sides of the elastic steel sheet (100) for the edges of the elastic steel sheet (100) to be snapped into, and the inner sides of the guide bars (200) are also provided with clearance grooves (220) corresponding to the installation positions of each fixing claw (400).

8. The integrated cartilage wiper according to claim 7, characterized in that: An end cover (230) is inserted into the end of the guide bar (200) corresponding to the elastic steel sheet (100), and a guide cover (240) is provided in the middle of the elastic steel sheet (100) between the two guide bars (200).

9. The integrated cartilage wiper according to claim 1, characterized in that: The invention also comprises a connection assembly, wherein the connection assembly comprises a connection base (500) located in the middle of the upper end of the elastic steel sheet (100), and riveted portions (510) which are riveted and fixed to the elastic steel sheet (100) are provided at two ends of the connection base (500) corresponding to the edges of the elastic steel sheet (100).

10. An assembly process for an integrated cartilage wiper, characterized in that: The method comprises the following steps: S1. Assembling the connection base; assembling the connection base (500) to the middle of the upper end of the elastic steel sheet (100), and riveting the riveted portions (510) at both ends of the connection base to the edge of the elastic steel sheet (100) by riveting and fixing; S2. Fixer assembly: The two fixing claws (400) of each set of fixers are installed in the positioning grooves (110) on the long edge of the elastic steel sheet (100), and the fixing protrusions (120) are inserted into the fixing grooves (460). At the same time, the two fixing claws (400) arranged opposite to each other are engaged with each other through the upper abutment platform (410) and the lower abutment platform (420) and then fixed. The assembled fixer is fixed by ultrasonic welding in the area where the fixing claws (400) contact the upper surface of the elastic steel sheet (100); S3. Assemble the wiper rubber strip. After the support strip (330) is embedded in the two outer sides of the wiper rubber strip (300), the wiper rubber strip (300) is inserted along one end of the elastic steel sheet (100) into between the two fixing claws (400) of each fixer below the elastic steel sheet (100), so that the claw portion (430) at the lower end of each fixing claw (400) is clamped into the matching groove (310) on the outer side of the wiper rubber strip (300); S4. Assemble the guide bar. Assemble the guide bar (200) above the elastic steel sheet (100) so that the side of the elastic steel sheet (100) is inserted into the connecting groove (210) on the inner side of the guide bar (200). Then insert the end cover (230) into the end of the guide bar (200). Finally, install the guide cover (240) between the two guide bars (200) and clamp it on the connecting base (500).

Citation Information

Patent Citations

  • Wiper blade

    CN101977800B

  • Novel windshield wiper with multifunctional connector

    CN108819908A

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    CN120756409A