Front windshield glass washer and automobile

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By installing a heating device on the nozzle assembly of the front windshield scrubber of the car and setting a check valve device in the infusion assembly, the problems of nozzle blockage and detergent reflux are solved, and more stable washing effect and safety are achieved .

CN222496275UActive Publication Date: 2025-02-18ZHEJIANG GEELY HLDG GRP CO LTD +2

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202420985997.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-08
Publication Date: 2025-02-18
Estimated Expiration: 2034-05-08

AI Technical Summary

Technical Problem

In ice and snow weather or cold working conditions, the nozzle of the front windshield glass scrubber in the car is easily blocked by rain and snow, resulting in the inability to effectively spray detergent, which may even lead to the detergent backflow, affecting the working stability of the device and posing a safety hazard.

Method used

A front windshield scrubber including a heating device is designed, and a heating tank and a heating device are installed on the nozzle assembly for melting and defrosting to prevent clogging. In addition, a check valve device is provided in the infusion assembly to prevent detergent from flowing back.

Benefits of technology

By heating the nozzle, blockage is effectively prevented, ensuring that detergent can be sprayed normally, preventing detergent from flowing back, improving the operating stability of the scrubber and reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN222496275U_ABST

Patent Text Reader

Abstract

The front windshield washer comprises a nozzle assembly, a liquid conveying assembly and a heating device used for heating the nozzle assembly, the liquid conveying assembly is used for outputting washing agents to the nozzle assembly, the nozzle assembly is used for spraying the washing agents out of front windshield glass, the liquid conveying assembly comprises a second pipe part, and the second pipe part comprises a first pipe part and a second pipe part. A one-way valve device used for preventing the detergent from flowing back from the nozzle assembly is arranged in the second pipe part, and the heating device is installed on the nozzle assembly. According to the front windshield glass washer, the nozzle is melted and defrosted through the heating device located on the nozzle assembly, inconvenience in use and potential safety hazards caused by nozzle blockage are effectively prevented, and detergent backflow caused by nozzle blockage or other reasons is prevented through a one-way valve device in the liquid conveying assembly. And the operation stability of the front windshield glass washer is further improved.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of windshield washers, in particular to a windshield washers and a car. Background Art

[0002] A car washer is a device that works with a wiper to wash the car's front windshield. In icy weather or relatively cold working conditions, the washer nozzle is easily blocked from the outside under the influence of rain and snow, causing the washer to be unable to effectively spray detergent to wash the car's front windshield. In severe cases, the detergent may also flow back into the washing liquid tank, affecting the operation of the washer, the washing liquid tank and the corresponding pipelines, causing a safety hazard. Summary of the invention

[0003] The utility model provides a windshield washer with a heated nozzle and capable of preventing backflow of detergent, comprising a nozzle assembly, an infusion assembly and a heating device for heating the nozzle assembly, wherein the infusion assembly is used to output detergent to the nozzle assembly, and the nozzle assembly is used to spray the detergent toward the windshield, the infusion assembly comprises a second pipe portion, a one-way valve device for preventing backflow of the detergent from the nozzle assembly is arranged in the second pipe portion, and the heating device is mounted on the nozzle assembly.

[0004] Furthermore, the infusion assembly also includes a first tube portion and a third tube portion, the first tube portion, the second tube portion and the third tube portion are connected in sequence, the first tube portion is connected to the nozzle assembly, and the third tube portion is connected to the detergent storage tank.

[0005] Furthermore, the nozzle assembly includes a nozzle body, which is integrally installed with the engine cover, and the nozzle body includes a water inlet close to the first pipe portion and connected to the first pipe portion, and a water outlet away from the first pipe portion, and a nozzle ball head is arranged in the water outlet, and the nozzle ball head is used to adjust the water spraying direction of the nozzle assembly, the nozzle body is connected to the first pipe portion through the water inlet, and the first pipe portion is sleeved outside the water inlet and is installed and fixed relative to the water inlet by an interference fit.

[0006] Furthermore, the nozzle assembly also includes a heating groove, which is opened on a side of the nozzle assembly close to the water outlet. The heating groove is located between the water inlet and the nozzle ball head in the flow direction of the detergent, and the heating device is installed and fixed in the heating groove.

[0007] Furthermore, the nozzle assembly also includes a mounting portion, which is disposed on a side of the nozzle assembly close to the water inlet, and the nozzle assembly is integrally connected to the engine cover via the mounting portion.

[0008] Furthermore, the mounting portion includes a mounting buckle, and the mounting portion is integrally connected to either the engine cover sheet metal or the ventilation cover through the mounting buckle.

[0009] Furthermore, the windshield washer further comprises a connector and a wiring harness thereof, wherein the connector is used to supply power to the heating device, and the wiring harness is electrically connected to the heating device via the infusion assembly.

[0010] Furthermore, the infusion assembly also includes a hose portion and a protective cover, the hose portion is used to allow the detergent to flow from the third tube portion into the second tube portion and from the second tube portion into the first tube portion, the protective cover is coaxially sleeved on the outside of the hose portion, the wiring harness of the connector is clamped on the inside of the protective cover and the outside of the hose portion, and the wiring harness is fixed to the protective cover via the third tube portion.

[0011] Furthermore, the windshield washer also includes a BCM, which includes a power module, a control module and an indicator light module. The power module is used to supply power to the heating device, the control module is used to control the heating device to operate and heat, and the indicator light module is used to illuminate when the heating device operates and heats to indicate its working status.

[0012] Furthermore, the utility model also includes an automobile, comprising the aforementioned front windshield washer.

[0013] The windshield washer provided by the utility model realizes the melting and defrosting of the nozzle through the heating device located on the nozzle assembly, effectively preventing the inconvenience and safety hazards caused by nozzle blockage. The utility model also prevents the backflow of detergent caused by nozzle blockage or other reasons through the one-way valve device in the infusion assembly, further improving the operation stability of the windshield washer. The windshield washer in the utility model effectively heats the nozzle ball head and the detergent flowing through the nozzle ball head under the control of the BCM through the heating device located on the side close to the nozzle ball head. Compared with directly heating the detergent storage tank or heating the infusion assembly, it has a more stable melting effect, so that the detergent flowing through the nozzle ball head always has a relatively stable temperature when the heating device is working, ensuring the spraying effect of the detergent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the windshield washer provided by the utility model.

[0015] Figure 2 It is an AA cross-sectional view of the front windshield washer in the utility model. DETAILED DESCRIPTION

[0016] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the present invention is described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0017] It should be noted that the terms "first", "second", "third", "fourth", etc. in the specification and claims of the utility model are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0018] The directional terms "X direction", "Y direction" and "Z direction" in this specification refer to the "body X direction", "body Y direction" and "body Z direction" commonly seen in the automotive field, respectively. The "body X direction" refers to the length direction of the body, and is also the front-to-back direction, with the front direction as the negative direction, i.e., X-; the "body Y direction" refers to the width direction of the body, with the direction from the cab side to the left door side as the negative direction, i.e., Y-; the "body Z direction" refers to the height direction of the body, and is also the gravity direction and the up-down direction, with the gravity direction as the negative direction, i.e., Z-.

[0019] See also Figure 1 and Figure 2The windshield washer of the utility model is located on the engine cover of the automobile, and is used to cooperate with the wiper to wash the windshield of the automobile by spraying detergent. The windshield washer in the utility model includes a nozzle assembly 1, a heating device 4 for heating the nozzle assembly 1 by an infusion assembly 2, and a connector 3 for supplying power to the heating device 4. The infusion assembly 2 is connected with the nozzle assembly 1, and the infusion assembly 2 is used to output detergent to the nozzle assembly 1. The nozzle assembly 1 is used to spray detergent to the windshield. The infusion assembly 2 includes a first pipe part 21, a second pipe part 22, and a third pipe part 23 which are connected in sequence. The first pipe part 21 is connected with the nozzle assembly 1, and a one-way valve device for preventing the detergent from flowing back from the first pipe part 21 to the third pipe part 23 is arranged in the second pipe part 22. The third pipe part 23 is connected with a detergent storage tank. The heating device 4 is installed on the nozzle assembly 1, and one end of the connector 3 is electrically connected to the BCM, and the other end is electrically connected to the heating device 4 via the infusion assembly 2. Specifically, in this embodiment, the first pipe part 21, the second pipe part 22 and the third pipe part 23 are passages for washing liquid. The washing liquid can enter the nozzle assembly 1 through the third pipe part 23, the second pipe part 22 and the first pipe part 21 in sequence, and then be sprayed out by the nozzle assembly 1. The first pipe part 21 and the second pipe part 22 are relatively installed and fixed by interference fit, and the second pipe part 22 and the third pipe part 23 are relatively installed and fixed by interference fit. It is easy to understand that the third pipe part 23 is actually the inlet of the infusion assembly 2, and a three-way valve device is arranged and connected at its end. Taking the washer corresponding to the left wiper of the car as an example, it is connected to the detergent storage tank through the three-way valve device with the right wiper of the car, and the detergent storage tank provides detergent to the washer corresponding to the left wiper of the car and the washer corresponding to the right wiper of the car at the same time through the three-way valve device. In this embodiment, the heating device 4 is a thermistor, and its connector 3 is a corresponding electrical component with power supply and control functions. The BCM can control the start and stop of the heating device 4 through the connector 3 and the wiring harness 31 of the connector 3. The windshield washer of the utility model realizes the melting and defrosting of the nozzle through the heating device 4 located on the nozzle assembly 1, effectively preventing the inconvenience and safety hazards caused by nozzle blockage.

[0020] Please refer to Figure 2, further, the nozzle assembly 1 includes a nozzle body 11 and a nozzle ball head 12, the nozzle body 11 is installed integrally with the engine cover, the nozzle body 11 includes a water inlet 11a close to the first pipe part 21 and connected to the first pipe part 21 and a water outlet 11b away from the first pipe part 21, and a nozzle ball head 12 is arranged in the water outlet 11b, and the nozzle ball head 12 is used to adjust the water spraying direction of the nozzle assembly 1. Specifically, in this embodiment, the nozzle body 11 is made of PA6+GF30% composite material, the water inlet 11a partially extends into the first pipe part 21 and is relatively fixedly installed with the first pipe part 21 in an interference fit manner, that is, the first pipe part 21 is sleeved outside the water inlet 11a, and the nozzle body 11 is connected with the first pipe part 21 through the water inlet 11a. The nozzle body 11 in the utility model and the pipeline in the infusion assembly 2 are made of different materials. The nozzle body 11 has the advantages of good rigidity and corrosion resistance, while the pipeline in the infusion assembly 2, such as the first pipe part 21, the second pipe part 22, and the third pipe part 23, are made of a more wear-resistant material and have the advantages of high strength and durability.

[0021] Furthermore, the nozzle assembly 1 further includes a heating groove 13 and a mounting portion 14. The heating groove 13 is provided on one side of the nozzle assembly 1 close to the water outlet 11b. The heating groove 13 is located between the water inlet 11a and the nozzle ball head 12 in the flow direction of the detergent. The heating device 4 is fixedly installed in the heating groove 13. The mounting portion 14 is provided on one side of the nozzle assembly 1 close to the water inlet, and the nozzle assembly 1 is connected to the engine cover by the mounting portion 14. Specifically, in the present embodiment, the heating groove 13 and the mounting portion 14 are both provided at the lower outer side of the detergent flow channel in the nozzle body 11. The mounting portion 14 includes a mounting buckle 141. The mounting portion 14 is connected to the engine cover sheet metal or the vent cover by the mounting buckle 141. The nozzle assembly 1 in the utility model effectively heats the nozzle ball head 12 and the detergent flowing through the nozzle ball head 12 through the heating groove 13 located on the side close to the nozzle ball head 12. Compared with directly heating the detergent storage tank or heating the infusion assembly 2, it has a more stable melting effect, so that the detergent flowing through the nozzle ball head 12 always has a relatively stable temperature when the heating device 4 is working, thereby ensuring the detergent spraying effect.

[0022] Furthermore, the infusion assembly 2 also includes a hose portion and a protective sleeve. The hose portion is used to allow detergent to flow from the third tube portion 23 into the second tube portion 22 and from the second tube portion 22 into the first tube portion 21. The protective sleeve is coaxially sleeved on the outside of the hose portion, and the wiring harness 31 of the connector 3 is clamped on the inside of the protective sleeve and the outside of the hose portion. Specifically, the connector 3 is located next to the third tube portion 23, and the wiring harness 31 is fixed to the protective sleeve via the third tube portion 23. The wiring harness 31 passes through the third tube portion 23, the second tube portion 22 and the first tube portion 21 in the protective sleeve and is electrically connected to the heating device 4 and supplies power to it. It is easy to understand that the inside of the protective sleeve and the outside of the hose portion are made of insulating materials or have been insulated to ensure the safety of the electrical components. In the preferred embodiment of the utility model, the protective sleeve can be made of PVC, EPDM and other rubber materials.

[0023] Furthermore, the BCM in the utility model includes a power module, a control module and an indicator light module. The power module is used to supply power to the heating device 4, the control module is used to control the heating device 4 to operate and heat, and the indicator light module is used to illuminate and indicate its working status when the heating device 4 operates and heats.

[0024] Furthermore, the utility model also includes a car, which includes the aforementioned windshield washer.

[0025] In summary, the windshield washer of the utility model realizes the melting and defrosting of the nozzle through the heating device located on the nozzle assembly, effectively preventing the inconvenience and safety hazards caused by nozzle blockage. The utility model also prevents the backflow of detergent caused by nozzle blockage or other reasons through the one-way valve device in the infusion assembly, further improving the operating stability of the windshield washer. The windshield washer in the utility model effectively heats the nozzle ball head and the detergent flowing through the nozzle ball head under the control of the BCM through the heating device located on the side close to the nozzle ball head. Compared with directly heating the detergent storage tank or heating the infusion assembly, it has a more stable melting effect, so that the detergent flowing through the nozzle ball head always has a relatively stable temperature when the heating device is working, ensuring the spraying effect of the detergent.

[0026] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A windshield washer, characterized in that: The windshield washer comprises a nozzle assembly (1), an infusion assembly (2) and a heating device (4) for heating the nozzle assembly (1); the infusion assembly (2) is used to output detergent to the nozzle assembly (1); the nozzle assembly (1) is used to spray the detergent toward the windshield; the infusion assembly (2) comprises a second pipe portion (22); a one-way valve device is provided in the second pipe portion (22) for preventing the detergent from flowing back from the nozzle assembly (1); and the heating device (4) is mounted on the nozzle assembly (1).

2. The windshield washer according to claim 1, characterized in that: The infusion assembly (2) further comprises a first tube portion (21) and a third tube portion (23); the first tube portion (21), the second tube portion (22) and the third tube portion (23) are connected in sequence; the first tube portion (21) is connected to the nozzle assembly (1), and the third tube portion (23) is connected to a detergent storage tank.

3. The windshield washer according to claim 2, characterized in that: The nozzle assembly (1) comprises a nozzle body (11), wherein the nozzle body (11) is integrally mounted on the engine cover, wherein the nozzle body (11) comprises a water inlet (11a) close to the first pipe part (21) and connected to the first pipe part (21), and a water outlet (11b) away from the first pipe part (21), wherein a nozzle ball head (12) is arranged in the water outlet (11b), and wherein the nozzle ball head (12) is used to adjust the water spraying direction of the nozzle assembly (1), wherein the nozzle body (11) is connected to the first pipe part (21) through the water inlet (11a), and the first pipe part (21) is sleeved outside the water inlet (11a) and is fixedly mounted relative to the water inlet (11a) by interference fit.

4. The windshield washer according to claim 3, characterized in that: The nozzle assembly (1) further comprises a heating groove (13), wherein the heating groove (13) is disposed on a side of the nozzle assembly (1) close to the water outlet (11b), and the heating groove (13) is located between the water inlet (11a) and the nozzle ball head (12) in the flow direction of the detergent, and the heating device (4) is installed and fixed in the heating groove (13).

5. The windshield washer according to claim 3, characterized in that: The nozzle assembly (1) further comprises a mounting portion (14), wherein the mounting portion (14) is arranged on a side of the nozzle assembly (1) close to the water inlet (11a), and the nozzle assembly (1) is integrally connected to the engine cover via the mounting portion (14).

6. The windshield washer according to claim 5, characterized in that: The mounting portion (14) comprises a mounting buckle (141), and the mounting portion (14) is integrally connected to either the engine cover sheet metal or the ventilation cover via the mounting buckle (141).

7. The windshield washer according to claim 2, characterized in that: The windshield washer also includes a connector (3) and a wiring harness (31) thereof, wherein the connector (3) is used to supply power to the heating device (4), and the wiring harness (31) is electrically connected to the heating device (4) via the infusion assembly (2).

8. The windshield washer according to claim 7, characterized in that: The infusion assembly (2) further comprises a hose portion and a protective sleeve, wherein the hose portion is used to allow the detergent to flow from the third tube portion (23) into the second tube portion (22) and from the second tube portion (22) into the first tube portion (21), the protective sleeve is coaxially sleeved on the outside of the hose portion, the wiring harness (31) of the connector (3) is clamped on the inside of the protective sleeve and the outside of the hose portion, and the wiring harness (31) is fixed to the inside of the protective sleeve via the third tube portion (23).

9. The windshield washer according to claim 1, characterized in that: The windshield washer also includes a BCM, which includes a power module, a control module and an indicator light module, wherein the power module is used to supply power to the heating device (4), the control module is used to control the heating device (4) to operate heating, and the indicator light module is used to illuminate when the heating device (4) is operating heating to indicate its working state.

10. An automobile, characterized in that: It comprises a windshield washer as claimed in any one of claims 1 to 9.