A windshield wiper with replaceable rubber strips

Abstract

This utility model discloses a windshield wiper with replaceable rubber strips, relating to the field of windshield wiper technology. It includes a deflector plate, a rubber strip, and protective covers at both ends of the deflector plate for mounting the rubber strip. Rotary holes are provided on both sides of the protective covers, with rotating rods rotatably connected within these holes. Pressure plates are mounted on the outer sides of the rotating rods, and torsion springs connect the pressure plates and the rotating holes. Clamping blocks for holding and fixing the rubber strip are installed on the inner side of the lower end of the pressure plates. Sliding holes adapted to the size of the clamping blocks are provided on both sides of the deflector plate, extending to one end. In this utility model, the use of rotating holes, rotating rods, pressure plates, torsion springs, and clamping blocks enables the protective covers to press and clamp the rubber strip, while the sliding holes allow the protective covers to slide on the outer side of the deflector plate, enabling quick installation and removal of the rubber strip. Compared to the traditional method of aligning the rubber strip with the mounting holes on the deflector plate and sliding it for replacement, the protective covers, being larger and more rigid, are easier to grip and insert into the sliding holes, reducing installation difficulty.

Description

Technical Field

[0001] This utility model relates to the field of windshield wiper technology, and in particular to a windshield wiper with replaceable rubber strips. Background Technology

[0002] Windshield wipers are typically connected to the wiper arms of a vehicle. By swinging the wipers, they remove rainwater, snow, dust, and other debris from the windshield, ensuring clear visibility for the driver and guaranteeing driving safety.

[0003] A search revealed Chinese patent publication number CN222247142U, which discloses a wiper blade mounting structure, a rubber strip structure, and a wiper blade. The structure includes a main body unit, a cover unit, a pulling unit, and a locking unit. The bottom end of the main body unit is detachably connected to the rubber strip. The cover unit is detachably disposed at the first end of the main body unit to seal the first end. The pulling unit is connected to both the cover unit and the rubber strip, and is used to pull the rubber strip along the axial direction of the main body unit under the action of the cover unit. The locking unit is detachably connected to both the main body unit and the cover unit, and is used to fix the cover unit to the first end of the main body unit. The advantage is that the cooperation between the cover unit, the pulling unit, and the rubber strip structure allows the pulling unit to be engaged with the rubber strip structure, facilitating subsequent disassembly of the rubber strip structure and improving the ease of replacement. The locking unit, by fixing the cover unit, improves the stability of the rubber strip structure after installation.

[0004] However, in actual use, it has been found that whether it is the aforementioned patent or the traditional wiper blade, when replacing the rubber strip, it is necessary to align the rubber strip with the guide rail of the wiper blade deflector. However, due to the softness of the rubber strip material, it is not easy to grip, and the small gap of the guide rail makes it difficult to insert, which increases the difficulty of installation. Summary of the Invention

[0005] The purpose of this utility model is to provide a windshield wiper with replaceable rubber strips in order to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a windshield wiper with replaceable rubber strips, comprising a guide plate, a rubber strip, and protective covers disposed at both ends of the guide plate for mounting the rubber strip. The bottom of the guide plate and extending to both ends are provided with mounting holes adapted to the size of the rubber strip. Rotary holes are provided on both sides of the protective covers. A rotating rod is rotatably connected in the rotating holes. A pressure plate is installed on the outside of the rotating rod. A torsion spring is connected between the pressure plate and the rotating holes. A clamping block for clamping and fixing the rubber strip is installed on the inner side of the lower end of the pressure plate. Sliding holes adapted to the size of the clamping blocks are provided on both sides of the guide plate and extending to one end.

[0007] Preferably, the top of the protective cover is provided with a mounting groove, an outer cylinder is placed in the mounting groove, and a mounting plate is detachably mounted in the mounting groove and outside the outer cylinder by means of a fastener.

[0008] Preferably, the outer cylinder is provided with a stop block and a stop block inside, and a spring is elastically connected between the stop block and the stop block. A locking block is installed at the end of the stop block away from the spring, and the end of the locking block extending out of the outer cylinder protrudes in an arc shape.

[0009] Preferably, the outer side of the abutment is provided with a thread for rotatable connection with the outer cylinder, and a groove is provided at the end of the abutment away from the spring.

[0010] Preferably, one end of the protective cover has a storage groove that communicates with the mounting groove. A baffle is provided in the storage groove. A rotating shaft is installed at the end of the baffle near the mounting groove. Two arc-shaped slots adapted to the size of the locking block are provided on the outer side of the rotating shaft.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: 1. In this application, a rotating hole, a rotating rod, a pressure plate, a torsion spring, and a clamping block are provided to achieve the pressing and clamping fixation of the protective cover on the rubber strip. The sliding hole enables the protective cover to slide on the outside of the guide plate, realizing the quick installation and removal of the rubber strip. Compared with the traditional method of aligning the rubber strip with the mounting hole of the guide plate and sliding it for replacement, the protective cover is larger and has higher rigidity, making it easier to grip and insert into the sliding hole, reducing the difficulty of installation. Moreover, during installation, it can avoid fingers directly touching the edge of the rubber strip, preventing deformation or oil contamination (hand sweat / dust will accelerate rubber aging).

[0012] 2. In this application, a rotating baffle is provided to flexibly switch the state of the protective cover. When the baffle is open, the protective cover is allowed to slide on the guide plate, avoiding the cumbersome disassembly problem caused by traditional one-way openings. When the baffle is closed, it forms a stable closed structure with the protective cover, effectively protecting the two ends of the rubber strip from external contamination or deformation. Attached Figure Description

[0013] Figure 1 A schematic diagram of the overall structure according to an embodiment of the present utility model is shown; Figure 2 A cross-sectional side view of the internal structure of a single protective cover according to an embodiment of the present invention is shown; Figure 3 An enlarged schematic diagram of the end structure of the guide plate according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of a single protective cover structure according to an embodiment of the present invention is shown; Figure 5A schematic cross-sectional view of the internal structure of a single protective cover according to an embodiment of the present invention is shown; Figure 6 A schematic cross-sectional view of the internal structure of the outer cylinder according to an embodiment of the present invention is shown; Figure 7 The present invention provides an embodiment of the present invention. Figure 5 Enlarged view of the structure at point A in the middle.

[0014] Legend: 1. Guide plate; 101. Sliding hole; 102. Mounting hole; 2. Interface; 3. Rubber strip; 4. Protective cover; 401. Rotary hole; 402. Storage groove; 403. Mounting groove; 5. Pressure plate; 6. Rotating rod; 7. Torsion spring; 8. Clamping block; 801. Striped pattern; 9. Baffle; 10. Outer cylinder; 11. Mounting plate; 12. Abutment block; 13. Stop block; 14. Spring; 15. Locking block; 16. Thread; 17. Groove; 18. Rotating shaft; 1801. Locking groove. Detailed Implementation

[0015] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-3 This utility model provides a technical solution: a windshield wiper with replaceable rubber strips, including a deflector plate 1, a rubber strip 3, and protective covers 4 disposed at both ends of the deflector plate 1 for mounting the rubber strip 3. The bottom of the deflector plate 1 and extending to both ends are provided with mounting holes 102 that are adapted to the size of the rubber strip 3. Rotating holes 401 are provided on both sides of the protective cover 4. A rotating rod 6 is rotatably connected in the rotating hole 401. A pressure plate 5 is installed on the outside of the rotating rod 6. A torsion spring 7 is connected between the pressure plate 5 and the rotating hole 401. A clamping block 8 for clamping and fixing the rubber strip 3 is installed on the inner side of the lower end of the pressure plate 5. Sliding holes 101 adapted to the size of the clamping block 8 are provided on both sides of the deflector plate 1 and extending to one end.

[0017] To prevent slippage between the clamping block 8 and the rubber strip 3, a wavy stripe pattern 801 is provided on the surface where the clamping block 8 contacts the rubber strip 3 to increase the frictional resistance between them.

[0018] An interface 2 is installed on the top of the deflector 1 for connecting to the vehicle's wiper arm, so that the vehicle can control the wiper arm to swing the wiper. Compared with traditional wipers, which require disassembling the wiper and wiper arm and then replacing the rubber strip 3, this utility model only requires sliding the protective cover 4 to replace the rubber strip 3, without disassembling the wiper and wiper arm. The whole process is simple and convenient to use.

[0019] The force provided by the torsion spring 7 enables the pressure plate 5 to rotate. After the pressure plate 5 is pressed and released, it can automatically reset without the need to manually adjust the angle of the pressure plate 5. Secondly, the wiper will vibrate due to the operation. With the strip pattern 801 increasing the frictional resistance, the torsion spring 7 continuously compensates for the clamping pressure through elastic deformation, further preventing the rubber strip 3 from loosening.

[0020] Specifically, such as Figure 5 As shown, the top of the protective cover 4 has a mounting groove 403, in which the outer cylinder 10 is placed. A mounting plate 11 is detachably installed in the mounting groove 403 and on the outside of the outer cylinder 10 by means of fasteners (bolts or clips). The mounting groove 403 provides space for the outer cylinder 10. The mounting plate 11 and fasteners close the mounting groove 403 to limit the displacement of the outer cylinder 10, which facilitates the subsequent disassembly and replacement of the internal parts of the outer cylinder 10.

[0021] Specifically, such as Figure 6 and Figure 7 As shown, the outer cylinder 10 is provided with a stop block 12 and a stop block 13. A spring 14 is elastically connected between the stop block 13 and the stop block 12. A locking block 15 is installed at the end of the stop block 13 away from the spring 14. The end of the locking block 15 protrudes from the outer cylinder 10 in an arc shape. One end of the protective cover 4 is provided with a storage groove 402 that communicates with the mounting groove 403. A baffle 9 is provided in the storage groove 402. A rotating shaft 18 is installed at the end of the baffle 9 near the mounting groove 403. Two arc-shaped locking grooves 1801 that are adapted to the size of the locking block 15 are opened on the outer side of the rotating shaft 18.

[0022] The purpose of designing two slots 1801 is to provide precise locking of the baffle 9 in the open and closed states. The arc-shaped design of the block 15 and the slots 1801 reduces the frictional resistance between them, ensuring that the baffle 9 is locked when it stops rotating and rotates smoothly.

[0023] Specifically, such as Figure 6As shown, the outer side of the abutment 12 is provided with a thread 16 that is rotatably connected to the outer cylinder 10. The end of the abutment 12 away from the spring 14 is provided with a groove 17. The groove 17 in the figure is cross-shaped, but it can also be designed as a star-shaped, threaded, or triangular shape. The tool used can correspond to the pattern of the groove 17. By inserting the tool into the groove 17, the abutment 12 can be rotated by thread, which can adjust the elastic force of the spring 14 and facilitate the subsequent replacement of the spring 14.

[0024] The outer surfaces of the pressure plate 5, clamping block 8, and baffle 9 are exactly the same as those of the protective cover 4. The sliding hole 101 and the outer side of the guide plate 1 are arc-shaped, presenting a smooth and flush visual effect after installation, avoiding protrusions that could affect the stability of the wipers.

[0025] In summary, the windshield wiper with replaceable rubber strip provided in this embodiment allows for replacement of rubber strip 3 when needed; Release the protective cover 4 limit: Rotate the baffle 9, which drives the rotating shaft 18 to rotate. The slot 1801 presses the block 15, causing the block 15 to slide on the surface of the rotating shaft 18. When the block 15 rotates from one slot 1801 to another slot 1801, the block 15 drives the stop block 13 to press the spring 14. At this time, stop rotating the baffle 9. The block 15 is then fixed in the other slot 1801 due to the elasticity of the spring 14, thus fixing the baffle 9 after it is opened. At this time, the protective cover 4 limit is released and it can slide. Replacement and installation: Slide the protective cover 4 to disengage the rubber strip 3 from the guide plate 1. Press the pressure plate 5 into the protective cover 4. The pressure plate 5 drives the rotating rod 6 and the clamping block 8 to rotate and squeeze the torsion spring 7. The clamping block 8 disengages from the rubber strip 3. Remove the old rubber strip 3 and place the new rubber strip 3 between the two clamping blocks 8. Release the pressure plate 5. The rebound force of the torsion spring 7 drives the pressure plate 5, rotating rod 6 and clamping block 8 to rotate, so that the clamping block 8 clamps the new rubber strip 3. Align the clamping block 8 with the sliding hole 101 of the guide plate 1 and slide it in. Repeat the above steps to fix the other protective cover 4 on the guide plate 1, thereby completing the replacement and installation of the rubber strip 3.

[0026] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A windshield wiper with replaceable rubber strips, characterized in that, The device includes a guide plate (1), a rubber strip (3), and protective covers (4) provided at both ends of the guide plate (1) for installing the rubber strip (3). The bottom of the guide plate (1) and extending to both ends are provided with mounting holes (102) that are adapted to the size of the rubber strip (3). Both sides of the protective cover (4) are provided with rotating holes (401). A rotating rod (6) is rotatably connected in the rotating hole (401). A pressure plate (5) is installed on the outside of the rotating rod (6). A torsion spring (7) is connected between the pressure plate (5) and the rotating hole (401). A clamping block (8) for clamping and fixing the rubber strip (3) is installed on the inner side of the lower end of the pressure plate (5). Both sides of the guide plate (1) and extending to one end are provided with sliding holes (101) that are adapted to the size of the clamping block (8).

2. A windshield wiper with replaceable rubber strips according to claim 1, characterized in that, The top of the protective cover (4) is provided with an installation groove (403), in which an outer cylinder (10) is placed. An installation plate (11) is detachably installed in the installation groove (403) and located outside the outer cylinder (10) by means of a fastener.

3. A windshield wiper with replaceable rubber strips according to claim 2, characterized in that, The outer cylinder (10) is provided with a stop block (12) and a stop block (13) inside. A spring (14) is elastically connected between the stop block (13) and the stop block (12). A locking block (15) is installed at the end of the stop block (13) away from the spring (14). The end of the locking block (15) extending out of the outer cylinder (10) is arc-shaped.

4. A windshield wiper with replaceable rubber strips according to claim 3, characterized in that, The outer side of the abutment (12) is provided with a thread (16) that is rotatably connected to the outer cylinder (10), and a groove (17) is provided at the end of the abutment (12) away from the spring (14).

5. A windshield wiper with replaceable rubber strips according to claim 3, characterized in that, One end of the protective cover (4) is provided with a storage groove (402) that communicates with the mounting groove (403). A baffle (9) is provided in the storage groove (402). A rotating shaft (18) is installed on one end of the baffle (9) near the mounting groove (403). Two arc-shaped slots (1801) that are adapted to the size of the locking block (15) are provided on the outer side of the rotating shaft (18).

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