High strength corrosion resistant wiper blade steel strip
By incorporating structures such as an embedded ring, embedded groove, movable bracket, and threaded rod between the positioning clip and plastic clamp of the wiper blade, the sealing performance is enhanced, solving the corrosion problem of the wiper blade at the connection between the positioning clip and the plastic clamp, and achieving high corrosion resistance and sealing performance of the blade.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG CROWN AUTO PARTS CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-19
Smart Images

Figure CN224375529U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of windshield wiper technology, specifically to high-strength, corrosion-resistant windshield wiper steel strips. Background Technology
[0002] Windshield wipers are devices installed on the windshields of vehicles (such as cars and trains) to remove rainwater, snow, dust, mud, and other contaminants from the glass surface, ensuring the driver has a clear view. They are typically driven by an electric motor, which, through a linkage mechanism, causes the wiper arm and blade to oscillate back and forth at a certain frequency to achieve the cleaning function.
[0003] During the installation of windshield wipers, after inserting the steel blade into the plastic clamp, positioning clips are used to fix both ends of the wiper and facilitate the installation of subsequent parts. However, there are gaps at the connection between the positioning clips and the plastic clamp, and rainwater can easily flow through the gaps into the inside of the plastic clamp, thus sticking to the steel blade and causing corrosion. Utility Model Content
[0004] The purpose of this invention is to provide a high-strength, corrosion-resistant wiper blade steel strip to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-strength, corrosion-resistant wiper blade steel strip, comprising a steel strip, a plastic clamp sleeved on the outer side of the steel strip, positioning buckles sleeved on the outer sides of both ends of the steel strip, an embedded ring fixedly connected to the side of the positioning buckle facing the plastic clamp, an embedded groove opposite the embedded ring on both sides of the plastic clamp, an installation groove on both sides of the positioning buckle, an extension groove on the upper and lower sides of the installation groove, a movable frame slidably connected inside the extension groove, a first threaded rod threadedly connected to one end of the movable frame, the tail of the first threaded rod rotatably connected to the inner wall of the installation groove, a rotating plate rotatably connected to the other end of the movable frame, a pull plate fixedly connected to one side of the other end of the rotating plate, and grooves on the front and back sides of both sides of the plastic clamp, with positioning grooves inside the grooves.
[0006] Preferably, a rubber strip is fixedly connected inside the embedding groove.
[0007] Preferably, torsion springs are fixedly connected between the two sides of the rotating plate and the movable frame, and the torsion springs are sleeved on the outside of the rotating shaft.
[0008] Preferably, an installation base is fitted on the outer side of the middle part of the plastic clamp, and a housing is fixedly connected to both sides of the installation base. A guide plate is fitted on the outer side of both ends of the plastic clamp and the positioning buckle. One end of the guide plate is fitted inside the housing. A second threaded rod is threadedly connected to the upper side of the housing. A pressure plate is rotatably connected to the lower part of the second threaded rod. Lifting rods are fixedly connected to the upper parts of both sides of the pressure plate. The lifting rods are slidably connected inside the housing.
[0009] Preferably, a control cap is fitted on the outer side of the head of the second threaded rod, and a spring is fixedly connected between the inside of the control cap and the head of the second threaded rod. The spring is fitted on the outer side of the second threaded rod, and a toothed ring is fixedly connected to the lower part of the control cap. A toothed groove for the toothed ring is opened on the upper part of the sleeve.
[0010] Preferably, the control cap has follower grooves on both sides inside, and follower blocks are fixedly connected to both sides of the head of the second threaded rod, with the follower blocks slidably connected inside the follower grooves.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. This utility model achieves installation by inserting the positioning buckle into both sides of the steel bar, and inserting the embedding ring into the embedding groove, thereby increasing the water flow distance between the positioning buckle and the plastic clamp. Rotating the rotating plate causes the rotating plate to adhere to the groove, and the pulling plate enters the positioning groove. The width of the positioning groove is greater than that of the pulling plate to ensure that the pulling plate enters smoothly. By rotating the first threaded rod, the moving frame is driven to move in the opposite direction to the plastic clamp, thereby pulling the positioning buckle to adhere tightly to the plastic clamp, increasing the pressure between the embedding ring and the embedding groove. This reduces the direct entry of water into the plastic clamp from the connection between the positioning buckle and the plastic clamp, thus allowing a large amount of water to adhere to the steel bar, thereby improving the corrosion resistance of the steel bar.
[0013] 2. This utility model also seals the upper part of the steel bar by inserting the guide plate into the housing. By rotating the second threaded rod, the lifting rod drives the pressure plate to press the guide plate, thereby improving the sealing between the upper part of the guide plate and the plastic clamp, and preventing water from entering the steel bar through the gap between the mounting base and the guide plate. Attached Figure Description
[0014] Figure 1 This is a first-view three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a magnified view of a partial structure of the present invention from a second perspective;
[0016] Figure 3 This is a schematic diagram of the third-view mounting groove structure of this utility model;
[0017] Figure 4 This is an enlarged view of the fourth-angle embedded slot structure of this utility model;
[0018] Figure 5 This is a cross-sectional view of the fifth-angle shell structure of this utility model;
[0019] Figure 6 This is a cross-sectional view of the sixth-view control cap structure of this utility model.
[0020] In the diagram: 1. Steel bar; 2. Plastic clamp; 3. Positioning buckle; 4. Mounting base; 5. Guide plate; 6. Embedded ring; 7. Embedded groove; 8. Mounting groove; 9. Extension groove; 10. Moving frame; 11. First threaded rod; 12. Rotating shaft; 13. Rotating plate; 14. Torsion spring; 15. Pull plate; 16. Groove; 17. Positioning groove; 18. Rubber strip; 19. Housing; 20. Lifting rod; 21. Second threaded rod; 22. Pressure plate; 23. Control cap; 24. Follower block; 25. Follower groove; 26. Spring; 27. Toothed ring; 28. Toothed groove. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-6 This utility model provides a technical solution: a high-strength, corrosion-resistant wiper blade steel strip, comprising a steel strip 1, a plastic clamp 2 fitted on the outer side of the steel strip 1, and positioning buckles 3 fitted on the outer sides of both ends of the steel strip 1. An embedded ring 6 is integrally formed on the side of the positioning buckle 3 facing the plastic clamp 2. Embedding grooves 7 are formed on both sides of the plastic clamp 2, directly opposite the embedded rings 6. When the positioning buckles 3 are inserted into both sides of the steel strip 1 for installation, the embedded rings 6 are inserted into the embedding grooves 7, which reduces the direct entry of water into the plastic clamp 2 through the connection between the positioning buckles 3 and the plastic clamp 2, thus preventing the steel strip 1 from corroding faster due to water contact. Installation grooves 8 are formed on both sides of the positioning buckles 3, and extension grooves 9 are formed on the upper and lower sides of the installation grooves 8. A movable frame 10 is slidably installed inside the extension grooves 9, and a first threaded rod 11 is threaded onto one end of the movable frame 10. The tail of the first threaded rod 11 is rotatably connected to the inner wall of the mounting groove 8. A rotating plate 13 is rotatably installed inside the other end of the movable frame 10. A pull plate 15 is fixedly welded to one side of the other end of the rotating plate 13. Grooves 16 are opened on both sides of the plastic clamp 2. A positioning groove 17 is opened inside the groove 16. When the positioning buckle 3 is sleeved on both sides of the steel strip 1, by rotating the rotating plate 13, the rotating plate 13 is inserted into the groove 16, and the pull plate 15 is put into the positioning groove 17. The width of the positioning groove 17 is greater than that of the pull plate 15, ensuring that the pull plate 15 can enter smoothly. By rotating the first threaded rod 11, the movable frame 10 is moved in the opposite direction to the plastic clamp 2, thereby pulling the positioning buckle 3 to stick to the plastic clamp 2, increasing the pressure between the embedded ring 6 and the embedded groove 7, which is more conducive to preventing water from adhering to the steel strip 1 along the gap.
[0023] A rubber strip 18 is fitted inside the embedding groove 7. The rubber strip 18 is elastic and can improve the sealing between the embedding ring 6 and the embedding groove 7.
[0024] Torsion springs 14 are fixedly welded between the two sides of the rotating plate 13 and the movable frame 10. The torsion springs 14 are sleeved on the outside of the rotating shaft 12. Under normal pulling conditions, the torsion springs 14 drive the rotating plate 13 to rotate to a direction parallel to the movable frame 10, ensuring that the pull plate 15 does not disengage from the positioning groove 17.
[0025] A mounting base 4 is fitted on the outer side of the middle part of the plastic clamp plate 2. The mounting base 4 has a sleeve 19 integrally formed on both sides. A guide plate 5 is fitted on the outer side of both ends of the plastic clamp plate 2 and the positioning buckle 3. One end of the guide plate 5 is fitted inside the sleeve 19. The guide plate 5 is inserted into the sleeve 19 to block and seal the upper part of the steel strip 1. A second threaded rod 21 is installed on the upper side of the sleeve 19. A pressure plate 22 is rotatably installed on the lower part of the second threaded rod 21. Lifting rods 20 are fixedly welded on the upper parts of both sides of the pressure plate 22. The lifting rods 20 are slidably installed inside the sleeve 19. By rotating the second threaded rod 21, the lifting rods 20 drive the pressure plate 22 to press the guide plate 5, thereby improving the sealing between the upper part of the guide plate 5 and the plastic clamp plate 2 and preventing water from entering the steel strip 1 through the gap between the mounting base 4 and the guide plate 5.
[0026] A control cap 23 is fitted on the outer side of the head of the second threaded rod 21. A spring 26 is fixedly welded between the inside of the control cap 23 and the head of the second threaded rod 21. The spring 26 is fitted on the outer side of the second threaded rod 21. A toothed ring 27 is fixedly welded to the lower part of the control cap 23. A toothed groove 28 that matches the toothed ring 27 is opened on the upper part of the housing 19. By lifting the control cap 23 upward, the toothed ring 27 is disengaged from the toothed groove 28, and the spring 26 is compressed. This allows the control cap 23 to drive the second threaded rod 21 to rotate. When the second threaded rod 21 is rotated to the correct position, the spring 26 pushes the control cap 23 downward, causing the toothed ring 27 to insert into the toothed groove 28, thereby locking the second threaded rod 21. The tooth gap between the toothed ring 27 and the toothed groove 28 is ensured to be small enough that the toothed ring 27 can always be inserted into the toothed groove 28 when the second threaded rod 21 is finely adjusted downward.
[0027] The control cap 23 has follower grooves 25 on both sides inside. Follower blocks 24 are fixedly welded to both sides of the head of the second threaded rod 21. The follower blocks 24 are slidably installed inside the follower grooves 25 to ensure that the control cap 23 can drive the second threaded rod 21 to rotate, and to prevent the spring 26 from being damaged by driving the second threaded rod 21 through the spring 26.
[0028] Working principle: When this utility model is in use, when the positioning buckle 3 is inserted into both sides of the steel strip 1 for installation, the embedding ring 6 is inserted into the embedding groove 7, which increases the water flow distance between the positioning buckle 3 and the plastic clamp 2, preventing the steel strip 1 from getting wet and accelerating corrosion. The rotating plate 13 is rotated and inserted into the groove 16, and the pull plate 15 is inserted into the positioning groove 17. The width of the positioning groove 17 is greater than that of the pull plate 15 to ensure that the pull plate 15 can enter smoothly. By rotating the first threaded rod 11, the moving frame 10 is driven to move in the opposite direction to the plastic clamp 2, thereby pulling the positioning buckle 3 to stick tightly to the plastic clamp 2, increasing the pressure between the embedding ring 6 and the embedding groove 7, which can reduce the direct entry of water into the plastic clamp 2 from the connection between the positioning buckle 3 and the plastic clamp 2.
[0029] Insert the guide plate 5 into the housing 19 to block and seal the upper part of the steel strip 1. By lifting the control cap 23 upward, the toothed ring 27 is disengaged from the toothed groove 28, and the spring 26 is compressed. This allows the control cap 23 to drive the second threaded rod 21 to rotate. By rotating the second threaded rod 21, the lifting rod 20 drives the pressure plate 22 to press the guide plate 5, thereby improving the sealing between the upper part of the guide plate 5 and the plastic clamp 2, and preventing water from entering the steel strip 1 through the gap between the mounting base 4 and the guide plate 5.
[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. High-strength corrosion-resistant wiper strip steel comprising a steel strip (1), characterized in that: The steel bar (1) is fitted with a plastic clamp (2) on the outside. The steel bar (1) is fitted with positioning buckles (3) on both ends of the outside. The positioning buckles (3) are fixedly connected to the side facing the plastic clamp (2) with an embedded ring (6). The plastic clamp (2) has an embedded groove (7) on both sides facing the embedded ring (6). The positioning buckles (3) has an installation groove (8) on both sides. The installation groove (8) has an extension groove (9) on the upper and lower sides. The extension groove (9) is slidably connected to a moving frame (10). The moving frame (10) has a first threaded rod (11) threadedly connected to one end of the moving frame (10). The tail of the first threaded rod (11) is rotatably connected to the inner wall of the installation groove (8). The moving frame (10) has a rotating plate (13) rotatably connected to the other end of the moving frame (10). The rotating plate (13) has a pull plate (15) fixedly connected to one side of the other end of the rotating plate (13). The plastic clamp (2) has grooves (16) on both sides and front and back. The grooves (16) have positioning grooves (17) inside.
2. The high-strength corrosion-resistant wiper blade steel strip of claim 1, wherein: The rubber strip (18) is fixedly connected inside the embedded groove (7).
3. The high-strength corrosion-resistant wiper blade strip of claim 1, wherein: Torsion springs (14) are fixedly connected between the two sides of the rotating plate (13) and the moving frame (10), and the torsion springs (14) are sleeved on the outside of the rotating shaft (12).
4. The high-strength corrosion-resistant wiper blade according to claim 1, characterized in that: The plastic clamp (2) is fitted with an installation base (4) on the outer side of the middle part. The installation base (4) is fixedly connected to a housing (19) on both sides. The plastic clamp (2) and the positioning buckle (3) are fitted with guide plates (5) on the outer sides of both ends. One end of the guide plate (5) is fitted inside the housing (19). The upper side of the housing (19) is threaded with a second threaded rod (21). The lower part of the second threaded rod (21) is rotatably connected to a pressure plate (22). The upper part of both sides of the pressure plate (22) is fixedly connected with lifting rods (20). The lifting rods (20) are slidably connected inside the housing (19).
5. The high-strength corrosion-resistant wiper blade strip of claim 4, wherein: A control cap (23) is fitted on the outer side of the head of the second threaded rod (21). A spring (26) is fixedly connected between the inside of the control cap (23) and the head of the second threaded rod (21). The spring (26) is fitted on the outer side of the second threaded rod (21). A toothed ring (27) is fixedly connected to the lower part of the control cap (23). A toothed groove (28) for the toothed ring (27) is opened on the upper part of the sleeve (19).
6. The high-strength corrosion-resistant wiper blade strip of claim 5, wherein: The control cap (23) has follower grooves (25) on both sides inside, and follower blocks (24) are fixedly connected to both sides of the head of the second threaded rod (21). The follower blocks (24) are slidably connected inside the follower grooves (25).