Strongly-attached replaceable automobile windshield wiper

By adopting the mother-child buckle structure and self-locking spring design in the boneless wiper, the problem of inconvenient replacement of the boneless wiper is solved, and a fast and stable connection is achieved, which is suitable for multiple models.

CN223174093UActive Publication Date: 2025-08-01SHANGHAI MEDIGE TECH CO LTD
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Patent Information

Application Number
CN202422029151.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-08-01
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

It is a waste of time to replace existing boneless wipers because the car owner is not familiar with the replacement process and the connection is not stable enough and it is easy to loosen.

Method used

It adopts a simple-installed mother-child buckle structure, which increases friction through anti-slip texture, combines a self-locking spring and limiting protrusion to provide axial force to ensure connection stability, including the fit between the plug and the slot and the engagement of the limiting protrusion.

Benefits of technology

It realizes the rapid and stable installation of wipers, and is suitable for multiple models, reducing replacement time, improving connection stability, and preventing loosening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a strongly-attached replaceable automobile windshield wiper, which relates to the technical field of windshield wipers and comprises a windshield wiper arm and a windshield wiper support, the top end of the windshield wiper arm is provided with a connecting seat, a windshield wiper rubber strip is embedded in the bottom of the windshield wiper support, boneless windshield wiper steel sheets are embedded in two sides of the windshield wiper rubber strip, and jackets are arranged at two ends of the boneless windshield wiper steel sheets and two ends of the windshield wiper rubber strip. The bottom end of the connecting base and the connecting buckle form a snap fastener, the snap fastener is composed of a snap fastener and a snap groove, and anti-skid lines are arranged on the surface of the snap fastener and the inner wall of the snap groove. According to the snap fastener structure, the snap fastener is arranged in the snap groove and is larger than friction force between the windshield wiper rubber strip and the automobile surface glass, the plug on the side face of the snap fastener is inserted into the inserting groove in the side wall of the snap groove, the connection stability of the snap fastener assembly is further improved, and the situation that when a windshield wiper works, the connecting position of the windshield wiper and a windshield wiper arm is loosened is prevented. Meanwhile, disassembly and assembly are rapid, and the replacement time is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of windshield wipers, in particular to a strongly adherent and replaceable automobile windshield wiper. Background Technique

[0002] Automobile windshield wipers, also known as wipers or windscreen wipers, are components on automobiles used to remove rainwater and other dirt on the windshield to keep the driver's line of sight clear. They usually consist of one or more rubber strips installed on a metal or plastic frame and are driven by a motor to move back and forth on the windshield to sweep away rainwater.

[0003] In the prior art, the boneless windshield wiper does not have a traditional metal frame, but uses one or more elastic steel strips to support the rubber wiper blade, enabling the wiper blade to better fit the curved surface of the windshield with strong adhesion. However, not all vehicle models use boneless windshield wipers, and car owners may not be very familiar with the replacement process, resulting in a waste of time when replacing the boneless windshield wiper. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a strongly adherent and replaceable automobile windshield wiper is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a strongly adherent and replaceable automobile windshield wiper, including a wiper arm and a wiper bracket. The top of the wiper arm is set as a connecting seat, the middle of the wiper bracket is set as a connecting buckle, a wiper rubber strip is embedded at the bottom of the wiper bracket, boneless windshield wiper steel sheets are embedded on both sides of the wiper rubber strip, clamping sleeves are provided at both ends of the boneless windshield wiper steel sheets and both ends of the wiper rubber strip, the bottom end of the connecting seat and the connecting buckle form a male-female fastener, the male-female fastener is composed of a male-female button and a male-female groove, and anti-slip patterns are provided on the surface of the male-female button and the inner wall of the male-female groove.

[0006] Preferably, a plug is fixed on the side of the male-female button, a slot is provided on the side wall of the male-female groove, side sliding grooves are provided on the side walls of the slot, a slider is slidably connected inside the side sliding groove, self-locking springs are fixed between both ends of the slider and the inner wall of the side sliding groove, a lower roller is provided between the sliders, and an upper roller is provided directly above the lower roller. The plug on the side of the male-female button is inserted into the slot on the side wall of the male-female groove. The plug first presses the lower roller downward. After the end completely enters the slot, the self-locking spring provides elastic force to make the lower roller cooperate with the upper roller to lock the locking grooves at both ends of the plug, further improving the connection stability of the male-female fastener assembly and preventing loosening at the connection with the wiper arm when the windshield wiper is working.

[0007] Preferably, the slider is rotatably connected to the lower roller, and both ends of the upper roller are fixed to the side wall of the slot, facilitating the plug to enter the slot.

[0008] Preferably, a silica gel sleeve is nested on the surface of the plug. The silica gel sleeve not only protects the plug and reduces its wear, but also increases the friction between the plug and the double rollers, improving the stability of the wiper during operation.

[0009] Preferably, slots are arrayed on both sides of the connecting seat, and limiting sliding grooves are arrayed on the side walls of the connecting buckles. Limiting protrusions are slidably connected inside the limiting sliding grooves, and limiting springs are fixed between the limiting protrusions and the side walls of the limiting sliding grooves. When the connecting seat is connected to the connecting buckle, the slots on both sides of the connecting seat are engaged with the limiting protrusions on the side walls of the connecting buckle. The limiting springs provide elastic force, making the limiting protrusions more firmly engaged with the slots, providing axial force for the connection, improving the axial stability of the male-female buckle assembly, and making the connection between the wiper arm and the wiper bracket more stable.

[0010] Preferably, the ends of the limiting protrusions are hemispherical, which is convenient for the connection between the connecting seat and the connecting buckle.

[0011] Preferably, a rubber sleeve is bonded to the bottom of the clamping sleeve. The rubber sleeve increases the friction between the clamping sleeve and the vehicle glass surface, and thus cooperates with the wiper rubber strip to enhance the adhesion of the wiper rubber strip.

[0012] Beneficial Effects

[0013] In the prior art, the boneless wiper has no traditional metal frame, but uses one or more elastic steel strips to support the rubber wiper blade, enabling the blade to better fit the curved surface of the windshield with strong adhesion. However, not all vehicle models use boneless wipers, and car owners may not be very familiar with the replacement process, resulting in a waste of time when replacing the boneless wiper. To address such problems, the present utility model adopts a simple installation male-female buckle structure. When the wiper needs to be replaced, the connecting seat at the top of the wiper arm is pulled out forcefully to one side. During installation, the connecting seat is reinserted into the connecting buckle, and the male-female buckle and the male-female groove are engaged with each other. The anti-slip pattern increases the friction between the male-female buckle and the male-female groove, making it greater than the friction between the wiper rubber strip and the vehicle glass surface. Moreover, the plug on the side of the male-female buckle is inserted into the slot on the side wall of the male-female groove. The plug first presses the lower roller downward. After the end completely enters the slot, the self-locking spring provides elastic force, enabling the lower roller to cooperate with the upper roller to lock the lock grooves at both ends of the plug, further improving the connection stability of the male-female buckle assembly and preventing looseness at the connection between the wiper and the wiper arm during operation. And when the connecting seat is connected to the connecting buckle, the slots on both sides of the connecting seat are engaged with the limiting protrusions on the side walls of the connecting buckle. The limiting springs provide elastic force, making the limiting protrusions more firmly engaged with the slots, providing axial force for the connection, improving the axial stability of the male-female buckle assembly, and making the connection between the wiper arm and the wiper bracket more stable. This male-female buckle structure is not only simple and easy to understand for the majority of car owners, but also quick to disassemble and install, saving replacement time. Description of the Drawings

[0014] Figure 1 Schematic three-dimensional structure diagram of the present utility model;

[0015] Figure 2 Schematic three-dimensional structure diagram of the wiper bracket of the present utility model;

[0016] Figure 3 Schematic three-dimensional structure diagram of the connecting seat of the present utility model;

[0017] Figure 4 Cross-sectional view of the present utility model;

[0018] Figure 5 Schematic three-dimensional structure diagram of the plug of the present utility model;

[0019] Figure 6 Schematic three-dimensional structure diagram of the slot of the present utility model;

[0020] Figure 7 Schematic three-dimensional structure diagram of the limiting mechanism of the present utility model.

[0021] Legend description:

[0022] 1. Wiper arm; 2. Boneless wiper steel sheet; 3. Clamping sleeve; 4. Connecting seat; 5. Wiper bracket; 6. Mother and son buckle; 7. Mother and son groove; 8. Slot; 9. Plug; 10. Wiper rubber strip; 11. Upper roller; 12. Lower roller; 13. Slide block; 14. Self-locking spring; 15. Limiting protrusion; 16. Limiting chute; 17. Limiting spring. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the following combines specific embodiments and drawings to further elaborate the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model, not all. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the present utility model.

[0024] The following describes the specific embodiments of the present utility model with reference to the drawings. Specific embodiment:

[0026] Refer to Figure 1-7, A strongly adherable and replaceable automotive windshield wiper, comprising a wiper arm 1 and a wiper bracket 5. The top end of the wiper arm 1 is provided with a connecting seat 4, the middle part of the wiper bracket 5 is provided with a connecting buckle, the bottom of the wiper bracket 5 is embedded with a wiper rubber strip 10, both sides of the wiper rubber strip 10 are embedded with boneless wiper steel sheets 2, and both ends of the boneless wiper steel sheets 2 and both ends of the wiper rubber strip 10 are provided with jackets 3. A rubber sleeve is bonded to the bottom of the jacket 3, and the rubber sleeve increases the friction between the jacket 3 and the vehicle glass surface, thus cooperating with the wiper rubber strip 10 to enhance the adhesiveness of the wiper rubber strip 10. The bottom end of the connecting seat 4 and the connecting buckle form a male-female fastener, which consists of a male buckle 6 and a female groove 7, and anti-slip lines are provided on the surface of the male buckle 6 and the inner wall of the female groove 7.

[0027] A plug 9 is fixed to the side of the male buckle 6, a slot 8 is provided on the side wall of the female groove 7, side chutes are provided on the side walls of the slot 8, a slider 13 is slidably connected inside the side chutes, self-locking springs 14 are fixed between both ends of the slider 13 and the inner walls of the side chutes, a lower roller 12 is provided between the sliders 13, and an upper roller 11 is provided directly above the lower roller 12. The plug 9 on the side of the male buckle 6 is inserted into the slot 8 on the side wall of the female groove 7. The plug 9 first presses the lower roller 12 downward. After the end completely enters the slot 8, the self-locking spring 14 provides elastic force, so that the lower roller 12 and the upper roller 11 cooperate to lock the lock grooves at both ends of the plug 9, further improving the connection stability of the male-female buckle assembly and preventing looseness at the connection with the wiper arm 1 when the wiper is working. The slider 13 is rotatably connected to the lower roller 12, and both ends of the upper roller 11 are fixed to the side wall of the slot 8, facilitating the plug 9 to enter the slot 8. A silicone sleeve is nested on the surface of the plug 9. The silicone sleeve not only protects the plug 9 and reduces its wear, but also increases the friction between the plug 7 and the double rollers, improving the stability of the wiper during operation.

[0028] Slots are arrayed on both sides of the connecting seat 4, limit chutes 16 are arrayed on the side walls of the connecting buckle, limit protrusions 15 are slidably connected inside the limit chutes 16, and limit springs 17 are fixed between the limit protrusions 15 and the side walls of the limit chutes 16. When the connecting seat 4 is connected to the connecting buckle, the slots on both sides of the connecting seat 4 are engaged with the limit protrusions 15 on the side walls of the connecting buckle, and the limit springs 17 provide elastic force to make the engagement between the limit protrusions 15 and the slots firmer, providing an axial force for the connection part and improving the axial stability of the male-female buckle assembly, making the connection between the wiper arm 1 and the wiper bracket 5 more stable. The end of the limit protrusion 15 is hemispherical, facilitating the connection between the connecting seat 4 and the connecting buckle.

[0029] In the prior art, the boneless windshield wiper does not have a traditional metal frame. Instead, one or more elastic steel strips are used to support the rubber wiper blade, enabling the blade to better conform to the curved surface of the windshield with strong adhesion. However, not all vehicle models use boneless windshield wipers, and vehicle owners may not be very familiar with the replacement process, resulting in a waste of time when replacing the boneless windshield wiper. To address such problems, the present utility model adopts a simple installation snap-fastener structure. When the wiper needs to be replaced, the connecting seat 4 at the top of the wiper arm 1 is forcefully pulled out to one side. During installation, the connecting seat 4 is reinserted into the connecting buckle. The male and female snap 6 and the male and female slot 7 are engaged with each other. The anti-slip pattern increases the friction between the male and female snap 6 and the male and female slot 7, making it greater than the friction between the wiper rubber strip 10 and the vehicle glass surface. Moreover, the plug 9 on the side of the male and female snap 6 is inserted into the slot 8 on the side wall of the male and female slot 7. The plug 9 first presses the lower roller 12 downward. After the end completely enters the slot 8, the self-locking spring 14 provides elastic force, enabling the lower roller 12 to cooperate with the upper roller 11 to lock the lock slots at both ends of the plug 9, further improving the connection stability of the male and female snap assembly and preventing looseness at the connection between the windshield wiper and the wiper arm 1 during operation. And when the connecting seat 4 is connected to the connecting buckle, the card slots on both sides of the connecting seat 4 are engaged with the limiting protrusions 15 on the side wall of the connecting buckle. The limiting spring 17 provides elastic force to make the engagement between the limiting protrusion 15 and the card slot firmer, providing an axial force for the connection and improving the axial stability of the male and female snap assembly, making the connection between the wiper arm 1 and the wiper bracket 5 more stable. This snap-fastener structure is not only simple and easy to understand for the majority of vehicle owners but also quick to disassemble and assemble, saving replacement time.

[0030] The working principle of the present utility model: When the wiper needs to be replaced, the connecting seat 4 at the top of the wiper arm 1 is forcefully pulled out to one side. During installation, the connecting seat 4 is reinserted into the connecting buckle. The male and female snap 6 and the male and female slot 7 are engaged with each other. The anti-slip pattern increases the friction between the male and female snap 6 and the male and female slot 7, making it greater than the friction between the wiper rubber strip 10 and the vehicle glass surface. Moreover, the plug 9 on the side of the male and female snap 6 is inserted into the slot 8 on the side wall of the male and female slot 7. The plug 9 first presses the lower roller 12 downward. After the end completely enters the slot 8, the self-locking spring 14 provides elastic force, enabling the lower roller 12 to cooperate with the upper roller 11 to lock the lock slots at both ends of the plug 9. And when the connecting seat 4 is connected to the connecting buckle, the card slots on both sides of the connecting seat 4 are engaged with the limiting protrusions 15 on the side wall of the connecting buckle. The limiting spring 17 provides elastic force to make the engagement between the limiting protrusion 15 and the card slot firmer, providing an axial force for the connection.

[0031] In the present utility model, unless otherwise clearly stipulated and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model, which are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A strongly adherent and replaceable automotive wiper, comprising a wiper arm (1) and a wiper bracket (5). The top end of the wiper arm (1) is provided with a connecting seat (4), the middle part of the wiper bracket (5) is provided with a connecting buckle, the bottom of the wiper bracket (5) is embedded with a wiper rubber strip (10), both sides of the wiper rubber strip (10) are embedded with boneless wiper steel sheets (2), and both ends of the boneless wiper steel sheets (2) and both ends of the wiper rubber strip (10) are provided with clamping sleeves (3), characterized in that: The bottom end of the connecting seat (4) and the connecting buckle form a male-female fastener, which is composed of a male-female button (6) and a male-female groove (7), and anti-slip patterns are provided on the surface of the male-female button (6) and the inner wall of the male-female groove (7).

2. The attachable and replaceable automotive wiper with strong adhesion according to claim 1, characterized in that: A plug (9) is fixed on the side of the male-female button (6), a slot (8) is provided on the side wall of the male-female groove (7), side sliding grooves are provided on the side walls of the slot (8), a slider (13) is slidably connected inside the side sliding grooves, self-locking springs (14) are fixed between both ends of the slider (13) and the inner wall of the side sliding grooves, a lower roller (12) is provided between the sliders (13), and an upper roller (11) is provided directly above the lower roller (12).

3. The attachable and replaceable automotive windshield wiper according to claim 2, wherein: The slider (13) is rotatably connected to the lower roller (12), and both ends of the upper roller (11) are fixed to the side wall of the slot (8).

4. The attachable and replaceable automotive windshield wiper according to claim 2, characterized in that: A silica gel sleeve is nested on the surface of the plug (9).

5. The attachable and replaceable automotive windshield wiper according to claim 1, wherein: Card slots are arranged in an array on both sides of the connecting seat (4), limiting sliding grooves (16) are arranged in an array on the side walls of the connecting buckle, limiting protrusions (15) are slidably connected inside the limiting sliding grooves (16), and limiting springs (17) are fixed between the limiting protrusions (15) and the side walls of the limiting sliding grooves (16).

6. The attachable and replaceable automotive windshield wiper according to claim 5, characterized in that: The end of the limiting protrusion (15) is hemispherical.

7. The attachable and replaceable automotive windshield wiper according to claim 1, wherein: A rubber sleeve is bonded to the bottom of the jacket (3).