WO2022247589A1

WO2022247589A1 - Water-spraying wiper

Info

Publication number: WO2022247589A1
Application number: PCT/CN2022/090864
Authority: WO
Inventors: 杨阳; 王崎; 葛春华
Original assignee: 江苏云睿汽车电器系统有限公司
Priority date: 2021-05-27
Filing date: 2022-05-05
Publication date: 2022-12-01
Also published as: CN113183921A

Abstract

Provided is a water-spraying wiper, comprising a water-spraying main part (1) at a front end position of the wiper and a hook plate (2) at the front end position of the wiper; the water-spraying main part (1) is located over the hook plate (2), and the water-spraying main part (1) is detachably connected to the hook plate (2); the water-spraying main part (1) comprises a water inlet (5) connected to a guide pipe; the water inlet (5) is in communication with a water distribution chamber (4) at the interior of the water spraying main part (1), and the water distribution chamber (4) is connected to multiple water outlets. The described wiper has advantages in terms of water spraying effects, reliability of use, and appearance.

Description

A water spray wiper

technical field

The invention relates to the technical field of wiper structures, in particular to a water spray wiper.

Background technique

"Waterway" refers to the flow path of the glass washer fluid in the water spray wiper, and in this paper specifically refers to the tail section of the path, that is, the flow path of the washer fluid in the water spray main part.

When the water spray wiper is working, the cleaning fluid enters the water spray main part along the length of the wiper, and then vertically downwards at 90° (that is, the direction approximate to the normal line of the glass), and then is divided into several paths and injected at the front section, the middle section and the front section of the wiper. back section. There are two drawbacks to this waterway:

①The waterway that shoots to the middle section of the scraper will have a greater flow rate and flow rate than other waterways due to the influence of gravity and the shortest waterway distance, but on the contrary, this direction is the closest to the glass, and the required flow rate is the smallest; The increase of flow velocity and flow at one location may affect the spraying effect of several other nozzles;

②This kind of waterway is higher than the hook plate in the normal direction of the glass, which will affect the results of some reliability experiments, and the overall appearance is poor;

For this reason, we propose a kind of water spray wiper.

Contents of the invention

The purpose of the present invention is to provide a water spray wiper to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a water spray wiper, comprising a water spray main part at the front end of the wiper and a hook plate at the front end of the wiper, the water spray main part is located above the hook plate, the spray The water main part is detachably connected to the hook plate, and the water spray main part includes a water inlet connected to the conduit, and the water inlet communicates with the water separation chamber inside the water spray main part, and the water separation chamber is connected to multiple sets of water outlets.

Preferably, there are at least three groups of water outlets, which can respectively spray to the second half of the wiping area, the wiping section area and the first half of the wiping area as shown in Figure 8, forming at least three branches, which can cover The three regions shown in Figure 8.

Preferably, the cross-sectional area of each branch is the same. In order to ensure that the flow rate and flow rate of each branch are the same.

Preferably, the water spray main part contains a one-way valve structure, which includes a plug that restricts the flow of cleaning fluid, an end cover connected to the water spray main part by ultrasonic welding, and an elastic structure fixed between the plug and the end cover, The one-way valve structure requires a certain water pressure in the direction of the water inlet to open the valve, the water flow passes, and the reverse water flow cannot pass, which can avoid the phenomenon that the residual liquid in the water pipe drips on the glass after the water pump is turned off. It can also keep water in the water pipe, and when the water spray device is turned on next time, the water spray body can spray water at the first time, so as to avoid spraying the mixture of cleaning liquid and air, which will affect the wiping effect.

Preferably, the height of the water spray main part in the Z-axis direction is not higher than the height of the hook plate in this direction, and the Z-axis is the normal direction of the front windshield.

Preferably, the water spray main part is detachably connected with a protective cover.

Preferably, the protective cover is provided with buckle 1 and buckle 2 respectively, and the protective cover is first connected with the water spray main part through the buckle 2 with a guide structure, and the buckle is locked together when the guide structure works. The role of positioning, and began to match the corresponding structure on the hook plate, and finally the two structures completed the clamping.

Preferably, the water spray main part and the end cover are adhered by ultrasonic welding and/or adhesive.

Preferably, the elastic structure includes a spring or elastic rubber structure.

Compared with prior art, the beneficial effect of the present invention is:

1. The water spray main part contains a one-way valve structure, which includes a plug that restricts the flow of cleaning fluid, an end cover connected to the water spray main part by ultrasonic welding, and an elastic structure fixed between the plug and the end cover. The one-way valve can avoid the phenomenon that the residual liquid in the water pipe drips on the glass when the water pump is turned off;

2. The connection method between the protective cover and the hook plate and the water spray main part is more firm and reliable than the connection method on the market;

3. Compared with the water spray wipers currently on the market, it has advantages in water spray effect, reliable use and appearance.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic structural view of the water spray main part of the present invention;

Fig. 3 is the schematic diagram of waterway design structure of the present invention;

Fig. 4 is a schematic diagram of the structure of the protective cover of the present invention;

Fig. 5 is a schematic diagram of the assembly structure of the present invention;

Fig. 6 is a structural schematic diagram of the utility check valve;

7 is an enlarged view of the structure of the check valve of the present invention;

Fig. 8 is a schematic diagram of the wiping range of the wiper blade of the present invention.

Labels in the figure: 1 main sprayer, 2 hook plate, 3 protective cover, 31

buckle

1, 32

buckle

2, 4 water diversion chamber, 5 water inlet, 6

water outlet

1, 7

water outlet

2, 8 water outlet Three, 9 one-way valve structure, 91 plug, 92 end cap, 93 elastic structure.

Detailed ways:

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3, the present invention provides a technical solution: a water spray wiper, including a water spray main part 1 at the front end of the wiper and a hook plate 2 at the front end of the wiper, the water spray main part 1 is located on the hook Above the plate 2, the water spray main part 1 is detachably connected with the hook plate 2, and the water spray main part 1 is clamped on the hook plate 2 along the length direction of the wiper, and then rotated around the normal direction of the front windshield to the guide pin Insert it into the guide groove.

The water spray main part 1 includes a water inlet 5 connected with the conduit, the water inlet 5 communicates with the water distribution chamber 4 inside the water spray main part 1, and the water distribution chamber 4 is connected with multiple groups of water outlets. There are three groups of water outlets, namely, water outlet one 6, water outlet two 7 and water outlet three 8, water outlet one 6, water outlet two 7 and water outlet three 8, which respectively spray to the second half of the wiper, and the wiper section And scrape the first half, forming three branches. After the glass cleaning liquid flows in from the water pipe along the water inlet 5, it flows into the water diversion chamber 4 in the horizontal direction (direction parallel to the glass), and is divided into three parts and sprayed to three positions of the wiper. Because the cross-sectional area of each branch is the same, and there is no restriction of external factors such as gravity, the liquid flow rate of each branch and the total amount of liquid flow per unit time are the same.

Referring to Fig. 6 and Fig. 7, the water spray main part 1 includes a one-way valve structure 9, which includes a plug 91 that restricts the flow of cleaning fluid, an end cover 92 that is connected to the water spray main part by ultrasonic welding, and is fixed on the plug. The elastic structure 93 between the head 91 and the end cover 92, the one-way valve structure can avoid the phenomenon that the residual liquid in the water pipe drips on the glass after the water pump is turned off.

The height of the water spray main part 1 in the Z-axis direction is not higher than the height of the hook plate 2 in this direction, and the Z-axis is the normal direction of the front windshield.

Please refer to Fig. 5, the waterway scheme of this patent, that is, the height of the water spray main part 1 in the direction of the Z axis can be guaranteed not to be higher than the height of the hook plate 2 in this direction, so that the relative The experiment has better concealment and a higher degree of integration.

Please refer to Figure 1, the water spray main part 1 is detachably connected with a protective cover 3, please refer to Figure 4, the protective cover 3 is respectively provided with buckle one 31 and buckle two 32, and the protective cover 3 is first connected with the water spray main part 1 Through the connection of buckle 2 32 with a guiding structure, the guiding structure plays a role in positioning buckle 1 31 at the same time, and starts to match with the corresponding structure on the hook plate 2, and finally the two structures complete the snap connection successively .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims

A water spray wiper, comprising a water spray main part (1) at the front end of the wiper and a hook plate (2) at the front end of the wiper, the water spray main part (1) is located above the hook plate (2), and is characterized in that : The water spray main part (1) is detachably connected with the hook plate (2), the water spray main part (1) includes a water inlet (5) connected to the conduit, and the water inlet is connected to the water spray main part ( 1) An internal water diversion chamber (4), the water diversion chamber (4) is connected to multiple sets of water outlets.
The water spray wiper according to claim 1, characterized in that: the water outlets are at least three groups, forming at least three branches, which can respectively spray to the second half area of the wiper, the wiper section area and the wiper front half area.
The water spray wiper according to claim 2, wherein the cross-sectional area of each branch is the same.
The water spray wiper according to claim 1, characterized in that: the main water spray part (1) is provided with a one-way valve structure (9), which includes a plug (91) that restricts the flow of cleaning fluid, and The end cover (92) that water spray main part (1) is connected, and the elastic structure (93) that is connected with plug (91).
The water spray wiper according to claim 1, characterized in that: the height of the water spray main part (1) in the normal direction of the front windshield is not higher than the height of the hook plate (2) in this direction .
The water spray wiper according to claim 1, characterized in that: the water spray main part (1) is detachably connected with a protective cover (3).
The water spray wiper according to claim 6, characterized in that: the protective cover (3) is respectively provided with buckle one (31) and buckle two (32), and the protective cover (3) is first connected with the water spray The main part (1) is connected by a buckle two (32) with a guiding structure.
The water spray wiper according to claim 4, characterized in that: the water spray main part (1) and the end cover (92) are adhered by ultrasonic welding and/or adhesive.
The water spray wiper according to claim 4, characterized in that: the elastic structure (93) comprises a spring or elastic rubber structure.