Nozzle fixing structure of water spraying windshield wiper

Abstract

The utility model discloses a nozzle fixing structure of a water spraying windshield wiper, which comprises a wiping arm and a water spraying unit, the water spraying unit is provided with a water spraying pipe mounting component and a water spraying pipe fixed in the water spraying unit mounting component, the wiping arm is provided with a wiping arm connector, and the wiping arm connector is basically of a U-shaped structure. At least one positioning installation hole is formed in one side arm, close to a water spraying unit, of a U-shaped structure of a wiper arm connector, and a buckle is arranged on the side, close to the wiper arm connector, of a water spraying pipe installation component of the water spraying unit. During assembly, the buckle is clamped into the positioning mounting hole, so that the water spraying unit is mounted on the wiper arm connector of the wiper arm. According to the utility model, an extension structure on the wiper arm connector is changed and canceled, and the mounting positioning hole is formed in the wiper arm connector and is matched with the buckle arranged on the nozzle unit, so that the nozzle and the wiper arm are fixed, and the problem that the nozzle cannot be assembled due to the deformation of the extension part in the transportation process of the wiper arm is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of windshield wipers, in particular to a nozzle fixing structure of a water spray windshield wiper. Background Art

[0002] The nozzle assembly schemes in existing water spray wipers are all to extend a buckle on the wiper arm connector or to fix the assembly with a buckle on the cantilever arm and the nozzle. The extended buckle is very easy to deform during transportation, making it impossible for the customer to complete the assembly.

[0003] The Chinese utility model patent authorization announcement number CN220826532U discloses a water-spraying wiper arm, including a hook plate and a water-spraying assembly. The hook plate is a sheet metal part with a U-shaped cross section. One side of the hook plate is provided with an assembly through hole, which includes an assembly front hole and an assembly rear hole. The side of the water-spraying assembly is provided with a hot melt column for fixed connection with the assembly through hole. The hot melt column includes: a hot melt front column for matching with the assembly front hole, and a hot melt rear column for matching with the assembly rear hole. This patent requires the use of hot melt technology for installation, which is costly.

[0004] A scraper arm hook plate equipped with a water spray unit disclosed in the Chinese utility model patent authorization announcement number CN220826534U includes a hook plate body and a water spray unit, a hanging opening is provided at one end of the side of the hook plate body, a through hole is provided on the side where the hanging opening is located, a hook is provided on the side of the water spray unit for use with the hanging opening, a hot melt column is provided on the side of the water spray unit for use with the through hole, and the hook and the hot melt column are respectively located at the front section and the rear section of the length direction of the water spray unit. When the hook plate body and the water spray unit need to be assembled, it is only necessary to mate the hanging opening with the hook, so that after the hot melt column passes through the through hole, the part of the hot melt column extending out of the through hole is hot-melted, and the assembly of the water spray unit and the hook plate body can be realized, which is convenient for assembly and the connection state is stable and tight, not easy to fall off, and the cost is low, and no additional mold is required for components outside the water spray unit. This patent requires the use of hot melt technology for installation, which is costly.

[0005] The Chinese utility model patent authorization announcement number CN206306998U discloses a wiper arm capable of spraying water, comprising a wiper arm body, the wiper arm body or a part of the wiper arm connected to a nozzle system through a connector (3); the inner cavity of the wiper arm body has an inner cavity hole and a card that cooperates with the nozzle system; the nozzle system has an inner cavity and a hook that cooperates with the wiper arm body; the nozzle system has at least three water outlets: outlet A, outlet B, outlet C and a water inlet; the hook of the nozzle system is inserted into the inner cavity hole of the wiper arm body and stuck, and the end card of the wiper arm body is inserted into the inner cavity of the nozzle system and stuck. It avoids the design problems of the position layout of the existing windshield nozzle system and solves the problem of its small spray range. The patent structure is relatively complex and the cost is high.

[0006] The Chinese utility model patent authorization announcement number CN211335898U discloses a wiper system water spray washing device, including a wiper water spray nozzle, a wiper arm connection bracket and a connecting piece, the wiper arm connection bracket includes a tail, a transition part and a main body, the first hook and the second hook on the wiper arm connection bracket fix the water pipe, the wiper arm connection bracket is fixed on the wiper arm rod, and the connecting piece is connected to the wiper blade; the hook, mounting hole, limit column, elastic pad A, elastic pad B and outer cover included in the wiper water spray nozzle belong to the exterior decoration and installation function parts, the water inlet, rear end water outlet, front end water outlet and middle water outlet belong to the water spray function parts, and the rear end water outlet and the front end water outlet are respectively provided with a metal nozzle A and a metal nozzle B that can adjust the spray angle. The patent structure is relatively complex and the cost is high. Utility Model Content

[0007] The technical problem that the utility model needs to solve is that the nozzle assembly scheme of the existing water spray wiper has a buckle extending from the wiper arm connecting head, which is very easy to deform during transportation, resulting in the client being unable to complete the assembly. The utility model provides a nozzle fixing structure of a water spray wiper that fixes the nozzle to the wiper arm by changing and canceling the extending structure on the wiper arm connecting head, and instead opening a hole in the wiper arm connecting head to cooperate with the buckle set on the nozzle, thereby solving the problem that the wiper arm cannot be assembled due to the buckle extending out of the buckle and deforming during transportation.

[0008] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0009] A nozzle fixing structure for a water spray wiper comprises a wiper arm and a water spray unit, the water spray unit having a water spray pipe mounting component and a water spray pipe fixed in the water spray unit mounting component, the wiper arm having a wiper arm connecting head, the wiper arm connecting head basically forming a U-shaped structure, characterized in that at least one positioning mounting hole is provided on one side arm of the U-shaped structure of the wiper arm connecting head adjacent to the water spray unit, and a buckle is provided on one side of the water spray pipe mounting component of the water spray unit adjacent to the wiper arm connecting head; during assembly, the buckle is inserted into the positioning mounting hole so that the water spray unit is mounted on the wiper arm connecting head of the wiper arm.

[0010] In a preferred embodiment of the present utility model, the positioning and mounting hole is arranged at a corner of a side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

[0011] In a preferred embodiment of the present invention, the water spray pipe mounting component is L-shaped, and the buckle is arranged at the end of the cross arm of the water spray pipe mounting component of the water spray unit, adjacent to the scraper arm connecting head.

[0012] In a preferred embodiment of the present utility model, the buckle has a hook, and the hook extends through the positioning and mounting hole and hooks on a side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

[0013] In a preferred embodiment of the present invention, an unlocking buckle groove is provided on the buckle.

[0014] In a preferred embodiment of the utility model, at least one hook-shaped buckle is provided on the water spray pipe, and at least one groove is provided on one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit; during assembly, the hook-shaped buckle is buckled into the groove on one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit, and cooperates with the buckle to achieve the up and down positioning and front and back positioning of the water spray unit on the scraper arm connector.

[0015] In a preferred embodiment of the present utility model, the hook-shaped buckle and the buckle are both cantilever structures.

[0016] In a preferred embodiment of the utility model, a gap eliminating boss is provided on the water spray pipe. During assembly, the gap eliminating boss contacts with one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit, and cooperates with the bent hook to eliminate the left and right assembly gaps between the water spray unit and one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

[0017] Due to the adoption of the above technical solution, the utility model changes and cancels the extension structure on the scraper arm connector, opens an installation positioning hole on the scraper arm connector, and cooperates with the buckle provided on the nozzle unit to complete the fixation of the nozzle and the scraper arm, thereby solving the problem that the extension part of the scraper arm is deformed during transportation, resulting in the inability to assemble the nozzle. The utility model has the advantage of low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the water spray wiper of the utility model.

[0019] Figure 2 It is a schematic diagram of the scraper arm structure of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the water spray unit of the utility model.

[0021] Figure 4 It is a schematic diagram of the assembly between the water spray unit and the scraper arm connector of the utility model. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings and specific implementations.

[0023] See also Figures 1 to 4 The nozzle fixing structure of a water spray wiper shown in the figure includes a scraper arm 100 and a water spray unit 200. The water spray unit 200 has a water spray pipe mounting component 210 and a water spray pipe 220 fixed in the water spray unit mounting component 210. The scraper arm 100 has a scraper arm connector 110. The scraper arm connector 110 is basically U-shaped and mounted on a scraper blade mounting seat 300. A scraper blade 400 is fixed on the scraper blade mounting seat 300. The water spray pipe mounting component 210 is L-shaped.

[0024] The characteristic of the utility model is that two positioning and mounting holes 112 (of course, it can also be one or more than two) are arranged on a side arm 111 of the U-shaped structure of the scraper arm connector 110 adjacent to the water spray unit 200, especially the positioning and mounting hole 112 is arranged at the corner of the side arm 111 of the U-shaped structure of the scraper arm connector 110 adjacent to the water spray unit 200.

[0025] Two buckles 212 (of course, there may be one or more than two) are arranged on the side of the water spray pipe installation part 210 of the water spray unit 200 near the scraper arm connector 110, especially at the end of the cross arm 211 of the water spray pipe installation part 210. Each buckle 212 is a cantilever structure and has a hook 212a and an unlocking buckle groove 212b. When the water spray unit 200 needs to be removed, the hook 212a can be flipped away from the side arm 111 of the U-shaped structure of the scraper arm connector 110 near the water spray unit 200 and withdrawn from the positioning installation hole 112, and the water spray unit 200 is removed from the scraper arm connector 110.

[0026] During assembly, each buckle 212 is inserted into the corresponding positioning and mounting hole 112, and the hook 212a extends through the positioning and mounting hole 112 and hooks on the side arm 111 of the U-shaped structure of the scraper arm connector 110 adjacent to the water spray unit 200.

[0027] The water spray unit 200 is installed on the scraper arm connecting head 110 of the scraper arm 100 .

[0028] Two hook-shaped buckles 221 (of course, one or more than two) are provided on the water spray pipe 220, and both hook-shaped buckles 221 are cantilever structures. Two grooves 111a (of course, one or more than two) are provided on one side arm 111 of the U-shaped structure of the scraper arm connector 110 near the water spray unit 200.

[0029] During assembly, the hook-shaped buckle 221 buckles the U-shaped structure of the scraper arm connector 110 into the corresponding groove 111a on the side arm 111 adjacent to the water spray unit 200, and cooperates with the buckle 212 to achieve the up-down and front-back positioning of the water spray unit 200 on the scraper arm connector 110.

[0030] In addition, a gap eliminating boss 221 is provided on the water spray pipe 220. During assembly, the gap eliminating boss 221 contacts the side arm 111 of the U-shaped structure of the scraper arm connector 110 adjacent to the water spray unit 200, and cooperates with the bent hook 212a to eliminate the left and right assembly gaps between the water spray unit 200 and the side arm 111 of the U-shaped structure of the scraper arm connector 110 adjacent to the water spray unit 200.

Claims

1. A nozzle fixing structure of a water spray wiper, comprising a wiper arm and a water spray unit, wherein the water spray unit has a water spray pipe mounting component and a water spray pipe fixed in the water spray unit mounting component, and the wiper arm has a wiper arm connector, wherein the wiper arm connector is substantially U-shaped, and is characterized in that: At least one positioning and mounting hole is provided on one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit, and a buckle is provided on one side of the water spray pipe mounting component of the water spray unit adjacent to the scraper arm connector; during assembly, the buckle is inserted into the positioning and mounting hole, so that the water spray unit is installed on the scraper arm connector of the scraper arm.

2. The nozzle fixing structure of a water spray wiper according to claim 1, characterized in that: The positioning and mounting hole is arranged at a corner of a side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

3. The nozzle fixing structure of a water spray wiper according to claim 1, characterized in that: The water spray pipe mounting component is L-shaped, and the buckle is arranged at the end of the horizontal arm of the water spray pipe mounting component of the water spray unit, adjacent to the position of the scraper arm connecting head.

4. A nozzle fixing structure for a water spray wiper according to any one of claims 1 to 3, characterized in that: The buckle has a hook, and the hook extends through the positioning and mounting hole and hooks on a side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

5. The nozzle fixing structure of a water spray wiper according to claim 4, characterized in that: An unlocking buckle groove is arranged on the buckle.

6. The nozzle fixing structure of a water spray wiper according to claim 4, characterized in that: At least one hook-shaped buckle is provided on the water spray pipe, and at least one groove is provided on one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit; during assembly, the hook-shaped buckle is buckled into the groove on one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit, and cooperates with the buckle to achieve the up and down positioning and front and back positioning of the water spray unit on the scraper arm connector.

7. The nozzle fixing structure of a water spray wiper according to claim 6, characterized in that: The hook-shaped buckle and the buckle are both cantilever structures.

8. The nozzle fixing structure of a water spray wiper according to claim 6, characterized in that: A gap eliminating boss is provided on the water spray pipe. During assembly, the gap eliminating boss contacts one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit, and cooperates with the bent hook to eliminate the left and right assembly gaps between the water spray unit and one side arm of the U-shaped structure of the scraper arm connector adjacent to the water spray unit.

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