CN216112358U - One-way valve for automobile water collecting tank and water collecting tank assembly - Google Patents

Abstract

The utility model discloses a check valve for an automobile water collecting tank and a water collecting tank assembly, wherein the check valve for the automobile water collecting tank comprises: the valve comprises a valve body, a fixing part arranged at the inlet end of the valve body and a one-way valve plate arranged at the outlet end of the valve body. One side portion that fixed part deviates from the valve body is provided with the connecting portion that are used for with automobile body sheet metal connection. When the check valve plate is at the initial position, the check valve plate is opened relative to the outlet end, and foreign matter accumulation and blockage are effectively avoided. When fluid flows from the inlet end of the valve body to the outlet end of the valve body, the one-way valve plate moves to the first position from the initial position along the first direction under the action of the fluid, the opening of the one-way valve plate relative to the outlet end is enlarged, and water in the water collecting tank is discharged in time. When fluid flows from the outlet end of the valve body to the inlet end of the valve body, the one-way valve plate moves to the second position from the initial position along the second direction under the action of the fluid, and the one-way valve plate is closed relative to the outlet end to limit the fluid from flowing into the outlet end and prevent the water from flowing backwards into the water collecting tank.

Description

One-way valve for automobile water collecting tank and water collecting tank assembly

Technical Field

The utility model relates to the technical field of automobile drainage, in particular to a check valve for an automobile water collecting tank and a water collecting tank assembly.

Background

In the prior art, when a drain hole of a water collecting tank below a grille cover plate of an automobile air conditioner is designed for downward drainage, the phenomenon that water flows backwards and splashes upwards is easy to occur in the wading process of the automobile, and a check valve is usually arranged at the drain hole to avoid the influence of the water flows backwards and splashes on related electric devices. The check valves currently used in the market are roughly classified into two types: one type is flexible duckbill valve is connected to the straight tube, utilizes the characteristics that flexible duckbill valve opened along with the change of internal pressure, when having water downward discharge in the water catch bowl, ponding struts the duckbilled sealed face under the action of gravity, and flexible duckbill valve goes out water, goes out water and finishes the back sealed face closed. When wading, rivers upwards strike, and the duckbill valve still is in the closed condition, prevents that rivers from flowing backward and getting into the water catch bowl. However, in the mode, sundries are accumulated at the valve opening to cause blockage, the risk of blockage by foreign matters exists, water cannot be drained, and water accumulation is excessive, so that related electric devices are failed. The other is a single-piece check valve which is in a closed state under the condition of no water; when having water, the pressure of utilization water makes the valve block open, but the monolithic formula check valve block just can open satisfying under certain pressure condition, has the problem of unable timely drainage to also there is the jam risk. In addition, the monolithic check valve has certain requirements on the length of the pipeline, so that the monolithic check valve cannot be used when the space is small and the pipeline arrangement condition cannot be met, and the pipeline is long and has the risk of blockage. In addition, the monolithic check valve needs to be provided with a buckle to connect the separation blade with the pipeline body, and has complex process and higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a check valve in the prior art is easily blocked by foreign matters and cannot drain water in time.

In order to solve the above problems, an embodiment of the present invention discloses a check valve for an automobile water collecting tank, including: the valve comprises a valve body, a fixing part arranged at the inlet end of the valve body and a one-way valve plate arranged at the outlet end of the valve body. Wherein, a side portion that fixed part deviates from the valve body is provided with the connecting portion that are used for with automobile body sheet metal connection. The check valve plate is arranged to be of a flexible sheet structure, when the check valve plate is located at an initial position, the check valve plate is opened relative to an outlet end, when fluid flows from the inlet end of the valve body to the outlet end of the valve body, the check valve plate moves to a first position from the initial position along a first direction under the action of the fluid, and the opening of the check valve plate relative to the outlet end is enlarged; when fluid flows from the outlet end of the valve body to the inlet end of the valve body, the one-way valve plate moves to a second position from the initial position along a second direction under the action of the fluid, the one-way valve plate is closed relative to the outlet end to limit the fluid from flowing into the outlet end, and the second direction is opposite to the first direction.

By adopting the technical scheme, the check valve is connected with the automobile body sheet metal through the fixing part in a matching manner to be fixed. Under the condition that no water flows through, the flexible one-way valve plate naturally droops under the self gravity of the valve plate, and the blockage caused by accumulation of sundries in the valve body can be effectively avoided. When the water collecting tank has accumulated water, the water in the water collecting tank flows to the outlet end from the inlet end of the valve body, the flexible one-way valve plate is impacted by water flow to move in the direction which is increased relative to the opening of the outlet end of the valve body, and then the water in the water collecting tank is discharged. When external water flows to the inlet end from the outlet end of the valve body, the flexible one-way valve plate is impacted by water flow to shield the outlet end of the valve body, and upward water flow can be effectively prevented from flowing backwards into the water collecting tank.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the water collecting tank of the automobile, the one-way valve sheet is integrally formed on the side wall of the outlet end of the valve body, the one-way valve sheet extends from the side wall of the valve body towards the direction close to the axis of the valve body in an inclined manner, and when fluid flows from the outlet end of the valve body to the inlet end of the valve body, the one-way valve sheet is turned over and deformed under the impact action of the fluid to shield the outlet end.

By adopting the technical scheme, the one-way valve plate is connected with the side wall of the outlet end of the valve body in an integrated manner, no additional assembly process is needed, the manufacturing method is simple, and the manufacturing cost is saved. When external water flows to the inlet end from the outlet end of the valve body, the flexible one-way valve plate is turned over and deformed under the action of water flow impact to shield the outlet end, and upward water flow can be effectively prevented from flowing backward into the water collecting tank.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the water collecting tank of the automobile, and when the one-way valve plate is turned over under the impact action of fluid and the deformation angle is larger than or equal to 90 degrees, the outlet end is shielded by the one-way valve plate.

By adopting the technical scheme, when the one-way valve plate is turned over under the impact action of the fluid and the deformation angle is larger than or equal to 90 degrees, the one-way valve plate can completely shield the outlet end of the valve body, and further upward water flow is prevented from flowing backwards into the water collecting tank.

Furthermore, the embodiment of the utility model also discloses a check valve for the automobile water collecting tank, wherein when no fluid passes through the valve body, the check valve plate is opened relative to the outlet end.

By adopting the technical scheme, under the condition of no water flow, the one-way valve plate is opened relative to the outlet end, so that the blockage caused by accumulation of impurities in the valve body can be effectively avoided.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the water collecting tank of the automobile, wherein flanges are arranged on two sides of the one-way valve plate, and the length of the one-way valve plate is larger than or equal to the diameter of the outlet end of the valve body.

Adopt above-mentioned technical scheme, the length of check valve piece is more than or equal to the diameter of the exit end of valve body, and when external water flowed to the entrance point from the exit end of valve body, the check valve piece received rivers impact to turn over down to turn over to warp and to warp can the whole exit end with the valve body shelter from, and then more effectually prevents that ascending rivers from flowing backward and entering into in the water catch bowl.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the water collecting tank of the automobile, the fixing part comprises a connecting plate and a buckle which are connected, and the connecting part is a shaft neck structure formed between the connecting plate and the buckle.

By adopting the technical scheme, the shaft neck structure between the connecting plate and the buckle is connected with the metal plate of the vehicle body in a matching manner and is used for fixing the one-way valve.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the water collecting tank of the automobile, the buckle is arranged into a trapezoidal structure along the length direction of the connecting part, the lower bottom of the buckle is communicated with the connecting part, and the upper bottom of the buckle is communicated with the inlet end of the valve body.

Adopt above-mentioned technical scheme, the buckle sets up to trapezium structure along the length direction of connecting portion, and the lower bottom of buckle is connected with connecting portion and can plays sealed effect well to the cooperation of water catch bowl and this check valve to prevent that the water in the water catch bowl from spilling.

Furthermore, the embodiment of the utility model also discloses a one-way valve for the automobile water collecting tank, the one-way valve for the automobile water collecting tank is integrally formed, and the connecting plate, the valve body, the buckle, the connecting part and the one-way valve plate are made of rubber materials.

By adopting the technical scheme, the rubber material is completely adopted for manufacturing, additional materials and parts are not required, and additional assembling procedures are not required. And the manufacturing method is simple and saves the manufacturing cost by adopting integral forming.

Further, the embodiment of the utility model also discloses a water collecting tank assembly, which comprises a water collecting tank body and the check valve for the automobile water collecting tank.

Adopt above-mentioned technical scheme, this check valve for car water catch bowl passes through the axle journal structure between connecting plate and the buckle and is connected with the automobile body panel beating cooperation and fix on the water catch bowl body, and this internal water of water catch bowl discharges through this check valve for car water catch bowl.

Furthermore, the embodiment of the utility model also discloses a water collecting tank assembly, wherein the cross-sectional shapes of the connecting plate, the valve body, the buckle and the connecting part of the one-way valve for the automobile water collecting tank are matched with the water outlet of the water collecting tank body.

By adopting the technical scheme, the one-way valve for the automobile water collecting tank is adjusted and matched according to the shape of the water outlet of the water collecting tank body.

The utility model has the beneficial effects that:

the utility model discloses a check valve for an automobile water collecting tank and a water collecting tank assembly, wherein the check valve for the automobile water collecting tank comprises: the valve comprises a valve body, a fixing part arranged at the inlet end of the valve body and a one-way valve plate arranged at the outlet end of the valve body. One side portion that fixed part deviates from the valve body is provided with the connecting portion that are used for with automobile body sheet metal connection. When the check valve plate is at the initial position, the check valve plate is opened relative to the outlet end, and foreign matter accumulation and blockage are effectively avoided. When fluid flows from the inlet end of the valve body to the outlet end of the valve body, the one-way valve plate moves to the first position from the initial position along the first direction under the action of the fluid, the opening of the one-way valve plate relative to the outlet end is enlarged, and water in the water collecting tank is discharged in time. When fluid flows from the outlet end of the valve body to the inlet end of the valve body, the one-way valve plate moves to the second position from the initial position along the second direction under the action of the fluid, and the one-way valve plate is closed relative to the outlet end to limit the fluid from flowing into the outlet end and prevent the water from flowing backwards into the water collecting tank.

Additional features and corresponding advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of a check valve for an automobile water collecting tank according to an embodiment of the present invention;

FIG. 2 is a front view of a check valve for an automobile sump provided in an embodiment of the present invention;

FIG. 3 is a top view of a check valve for an automotive water collection sump provided in an embodiment of the present invention;

fig. 4 is a sectional view of a check valve for a sump of an automobile according to an embodiment of the present invention, taken along a direction a-a in fig. 3.

Description of reference numerals:

10: a fixing member;

110: a connecting plate;

120: buckling;

130: a connecting portion;

20: a valve body;

210: a side wall of the valve body;

30: a one-way valve plate;

a: an initial position;

b: a first position;

c: a second position;

a: a first direction;

b: a second direction;

c: the direction of the axis of the valve body;

d: the length direction of the connecting part.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the utility model will be described in conjunction with the preferred embodiments, it is not intended that the features of the utility model be limited to these embodiments. On the contrary, the intention of the novel description to be incorporated into the embodiments is to cover alternatives or modifications which may be extended in accordance with the appended claims. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The utility model may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are only used for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the present invention discloses a check valve for an automobile water collecting tank, referring to fig. 1 and 2, the check valve for an automobile water collecting tank includes: the valve comprises a valve body 20, a fixing part 10 arranged at the inlet end of the valve body 20 and a check valve sheet 30 arranged at the outlet end of the valve body 20. Wherein, a side portion of the fixing component 10 departing from the valve body 20 is provided with a connecting portion 130 for connecting with a vehicle body sheet metal. The check valve plate 30 is of a flexible sheet structure, when the check valve plate 30 is at an initial position a, the check valve plate 30 is opened relative to an outlet end, when a fluid flows from the inlet end of the valve body 20 to the outlet end of the valve body 20, the check valve plate 30 moves from the initial position a to a first position b along a first direction a under the action of the fluid, and the opening of the check valve plate 30 relative to the outlet end is increased; when the fluid flows from the outlet end of the valve body 20 to the inlet end of the valve body 20, the check valve sheet 30 moves from the initial position a to the second position c along the second direction B opposite to the first direction a under the action of the fluid, and the check valve sheet 30 is closed relative to the outlet end to limit the fluid from flowing into the outlet end.

Specifically, in the present embodiment, when the check valve sheet 30 is in the initial position a, the check valve sheet 30 extends obliquely from the sidewall 210 of the valve body 20 toward the direction C near the axis of the valve body 20. When the check valve sheet 30 is in the first position b, the check valve sheet 30 extends from the sidewall 210 of the valve body 20 in a direction C parallel to the axis of the valve body 20. When the check valve plate 30 is in the second position C, the check valve plate 30 extends from the sidewall 210 of the valve body 20 in a direction C perpendicular to the axis of the valve body 20.

More specifically, in the present embodiment, the check valve sheet 30 moves from the initial position a to the first position b along the first direction a under the action of the fluid, that is, the check valve sheet 30 moves along the first direction a from the side wall 210 of the valve body 20 to the direction C parallel to the axis of the valve body 20 along the direction C extending from the side wall 210 of the valve body 20 and inclining towards the direction C close to the axis of the valve body 20. The check valve sheet 30 moves from the initial position a to the second position C along the second direction B under the action of the fluid, that is, the check valve sheet 30 extends from the sidewall 210 of the valve body 20 to the direction C close to the axis of the valve body 20 in an inclined manner, and moves along the second direction B to the direction C perpendicular to the axis of the valve body 20 from the sidewall 210 of the valve body 20.

More specifically, in this embodiment, the connection between the fixing component 10 and the metal plate of the vehicle body may be a threaded connection, an interference connection, an adhesive connection, a welding connection, etc., and preferably, in this embodiment, in order to facilitate the installation and replacement of the check valve and ensure the sealing performance of the fixing component 10 and the metal plate of the vehicle body, the fixing component 10 and the metal plate of the vehicle body are connected by the interference connection.

More specifically, in this embodiment, the fixing part 10 and the check valve plate 30 are connected to the valve body 20 by a screw, an adhesive, an integral molding, or the like, and preferably, in order to simplify the manufacturing method of the check valve for the water collecting tank of the vehicle and save the manufacturing cost, the fixing part 10 and the check valve plate 30 are integrally molded with the valve body 20.

More specifically, in the present embodiment, in order to satisfy the condition that the valve body 20 can be used in a small space, the length of the valve body 20 may be designed according to actual conditions and specific requirements.

In the present embodiment, the check valve is fixed by the fixing member 10 being connected to the sheet metal of the vehicle body in a fitting manner. Under the condition that no water flows through, the flexible one-way valve plate 30 naturally sags under the self gravity, so that the blockage caused by accumulation of sundries in the valve body 20 can be effectively avoided. When the water collecting tank has accumulated water, the water in the water collecting tank flows from the inlet end to the outlet end of the valve body 20, and the flexible one-way valve plate 30 moves in a direction that the impact of the water flow is increased relative to the opening at the outlet end of the valve body 20, so that the water in the water collecting tank is discharged. When external water flows from the outlet end to the inlet end of the valve body 20, the flexible one-way valve plate 30 is impacted by the water flow to shield the outlet end of the valve body 20, so that the upward water flow can be effectively prevented from flowing backwards into the water collecting tank.

Further, in the embodiment of the present invention, a check valve for an automobile water collecting tank is further disclosed, please refer to fig. 1 and fig. 2, the check valve sheet 30 is integrally formed on a sidewall of the outlet end of the valve body 20, and the check valve sheet 30 extends from the sidewall of the valve body 20 in an inclined manner toward a direction C close to the axis of the valve body 20, and when a fluid flows from the outlet end of the valve body 20 to the inlet end of the valve body 20, the check valve sheet 30 is turned over and deformed under the impact of the fluid to shield the outlet end.

It should be noted that, in this embodiment, the connection between the check valve plate 30 and the outlet side wall of the valve body 20 is formed integrally, and no additional assembly process is required, so that the manufacturing method is simple and the manufacturing cost is saved. When external water flows from the outlet end to the inlet end of the valve body 20, the flexible one-way valve sheet 30 is turned and deformed under the impact of water flow to shield the outlet end, so that upward water flow can be effectively prevented from flowing backwards into the water collecting tank.

Further, the embodiment of the present embodiment also discloses a check valve for an automobile water collecting tank, please refer to fig. 2, when the check valve sheet 30 is turned over under the impact of the fluid and the deformation angle is greater than or equal to 90 °, the check valve sheet 30 shields the outlet end.

Specifically, in this embodiment, the folding deformation angle of the check valve sheet 30 may be 90 °, 91 °, 92 °, and the like, which is not specifically limited in this embodiment.

It should be noted that, in this embodiment, when the check valve plate 30 is turned over under the impact of the fluid and the deformation angle is greater than or equal to 90 °, the check valve plate 30 can completely shield the outlet end of the valve body 20, and further prevent the upward water flow from flowing backward into the water collection tank.

Further, the embodiment of the present invention also discloses a check valve for an automobile water collecting tank, please refer to fig. 2, when no fluid passes through the valve body 20, the check valve plate 30 is opened relative to the outlet end.

It should be noted that, in this embodiment, under the condition that no water flows through, the check valve plate 30 is opened relative to the outlet end, so that the blockage caused by the accumulation of the impurities in the valve body 20 can be effectively avoided.

Further, the embodiment of the present embodiment also discloses a check valve for an automobile water collecting tank, please refer to fig. 2, two sides of the check valve plate 30 are provided with flanges, and the length of the check valve plate 30 is greater than or equal to the diameter of the outlet end of the valve body 20.

Specifically, in the present embodiment, the length of the check valve sheet 30 is greater than or equal to the maximum diameter of the outlet end of the valve body 20. When the maximum diameter of the outlet end of the valve body 20 is 100mm, the length of the check valve plate 30 may be 100mm, 102mm, 103mm, and the like, and preferably, in order to enable the check valve plate 30 to completely shield the outlet end of the valve body 20, the length of the check valve plate 30 should be greater than the maximum diameter of the outlet end of the valve body 20.

It should be noted that, in this embodiment, the length of the check valve plate 30 is greater than or equal to the diameter of the outlet end of the valve body 20, and when external water flows from the outlet end to the inlet end of the valve body 20, the check valve plate 30 is turned over and deformed under the impact of water flow, so as to completely shield the outlet end of the valve body 20, thereby more effectively preventing upward water flow from flowing backward into the water collecting tank.

Further, the embodiment of the present invention also discloses a check valve for an automobile water collecting tank, please refer to fig. 2 and fig. 3, the fixing part 10 includes a connecting plate 110 and a buckle 120 connected with each other, and the connecting part 130 is a journal structure formed between the connecting plate 110 and the buckle 120.

It should be noted that, in the present embodiment, the journal structure between the connecting plate 110 and the buckle 120 is connected with the sheet metal of the vehicle body in a matching manner for fixing the check valve.

Further, the embodiment of the present embodiment also discloses a check valve for an automobile water collecting tank, please refer to fig. 2, the buckle 120 is set to be a trapezoid structure along the length direction D of the connecting portion 130, the lower bottom of the buckle 120 is communicated with the connecting portion 130, and the upper bottom of the buckle 120 is communicated with the inlet end of the valve body 20.

It should be noted that, in this embodiment, the buckle 120 is configured as a trapezoid along the length direction D of the connecting portion 130, and the connection of the lower bottom of the buckle 120 with the connecting portion 130 can provide a good sealing effect for the cooperation of the water collecting tank and the one-way valve, so as to prevent the water in the water collecting tank from leaking.

Further, the embodiment of the present invention further discloses a check valve for an automobile water collecting tank, please refer to fig. 2 and 4, the check valve for an automobile water collecting tank is integrally formed, and the connecting plate 110, the valve body 20, the buckle 120, the connecting portion 130, and the check valve plate 30 are made of rubber materials.

Specifically, in this embodiment, the rubber material may be natural rubber, styrene butadiene rubber, or the like, and those skilled in the art may design the rubber material according to actual conditions and specific requirements, which is not specifically limited in this embodiment.

In addition, in this embodiment, all the components are made of rubber materials, so that additional materials and parts are not required, and an additional assembly process is not required. And the manufacturing method is simple and saves the manufacturing cost by adopting integral forming.

Further, the embodiment of the present invention further discloses a water collecting tank assembly, please refer to fig. 2, which includes a water collecting tank body (not shown in the figure), and further includes the check valve for an automobile water collecting tank.

In the present embodiment, the check valve for an automobile water collecting tank is fixed to the water collecting tank body by engaging with the sheet metal of the automobile body through the journal structure between the connecting plate 110 and the buckle 120, and water in the water collecting tank body is discharged through the check valve for an automobile water collecting tank.

Further, the embodiment of the present invention also discloses a water collecting tank assembly, please refer to fig. 2, wherein the cross-sectional shapes of the connecting plate 110, the valve body 20, the buckle 120 and the connecting portion 130 of the check valve for an automobile water collecting tank are matched with the water outlet of the water collecting tank body.

Specifically, in the present embodiment, the shape of the drain opening of the sump body may be a circular shape, a square shape, an annular disk shape, etc., the cross-sectional shapes of the connection plate 110, the valve body 20, the clip 120, and the connection portion 130 may be adapted according to the drain opening of the sump body, and the cross-sectional shapes of the connection plate 110, the valve body 20, the clip 120, and the connection portion 130 may also be a circular shape, a square shape, an annular disk shape, etc. Those skilled in the art can design the device according to practical situations and specific requirements, and the embodiment is not limited in this respect. Preferably, in order to better prevent the upward water from flowing backward into the water collecting tank, the cross-sectional shapes of the connection plate 110, the valve body 20, the clip 120 and the connection portion 130 are ring-shaped and disk-shaped.

In the present embodiment, the check valve for an automobile sump is adjusted and matched according to the shape of the drain port of the sump body.

To sum up, the utility model discloses a check valve for an automobile water collecting tank and a water collecting tank assembly, wherein the check valve for the automobile water collecting tank comprises: the valve comprises a valve body 20, a fixing part 10 arranged at the inlet end of the valve body 20 and a check valve sheet 30 arranged at the outlet end of the valve body 20. The check valve is fixed by the matching connection of the fixing part 10 and the sheet metal of the vehicle body. Under the condition that no water flows through, the flexible one-way valve plate 30 naturally sags under the self gravity, so that the blockage caused by accumulation of sundries in the valve body 20 can be effectively avoided. When the water collecting tank has accumulated water, the water in the water collecting tank flows from the inlet end to the outlet end of the valve body 20, and the flexible one-way valve plate 30 moves in a direction that the impact of the water flow is increased relative to the opening at the outlet end of the valve body 20, so that the water in the water collecting tank is discharged. When external water flows from the outlet end to the inlet end of the valve body 20, the flexible one-way valve plate 30 is impacted by the water flow to shield the outlet end of the valve body 20, so that the upward water flow can be effectively prevented from flowing backwards into the water collecting tank. Furthermore, the one-way valve for the automobile water collecting tank is integrally formed in a manufacturing mode, the adopted material is a rubber material, and no additional material or part is needed, and no additional assembly process is needed. And the manufacturing method is simple and saves the manufacturing cost by adopting integral forming.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the utility model, taken in conjunction with the specific embodiments thereof, and that no limitation of the utility model is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a check valve for car water catch bowl which characterized in that includes: the valve comprises a valve body, a fixing part arranged at the inlet end of the valve body and a one-way valve plate arranged at the outlet end of the valve body; wherein,

one side part of the fixed part, which is far away from the valve body, is provided with a connecting part for being connected with a metal plate of a vehicle body;

the check valve plate is of a flexible sheet structure, and when the check valve plate is at an initial position, the check valve plate is opened relative to the outlet end; wherein,

when fluid flows from the inlet end of the valve body to the outlet end of the valve body, the check valve plate moves from the initial position to a first position along a first direction under the action of the fluid, and an opening of the check valve plate relative to the outlet end is enlarged;

when fluid flows from the outlet end to the inlet end of the valve body, the check valve plate moves from the initial position to a second position along a second direction under the action of the fluid, the check valve plate is closed relative to the outlet end to limit the fluid from flowing into the outlet end, and the second direction is opposite to the first direction.

2. The check valve for the water collecting tank of the automobile as claimed in claim 1, wherein the check valve plate is integrally formed on a side wall of the outlet end of the valve body, and the check valve plate extends obliquely from the side wall of the valve body toward a direction close to the axis of the valve body; wherein,

when fluid flows from the outlet end to the inlet end of the valve body, the one-way valve plate is turned over and deformed under the impact action of the fluid to shield the outlet end.

3. The check valve for the water collecting tank of the automobile as claimed in claim 2, wherein the check valve sheet shields the outlet end when the check valve sheet is turned over under the impact of the fluid to a deformation angle greater than or equal to 90 °.

4. The check valve for an automobile water collecting tank as claimed in claim 3, wherein the check valve plate is opened with respect to the outlet port when no fluid passes through the valve body.

5. The check valve for the water collecting tank of the automobile as claimed in claim 4, wherein flanges are provided on both sides of the check valve plate, and the length of the check valve plate is greater than or equal to the diameter of the outlet end of the valve body.

6. The check valve for a vehicle sump according to claim 5, wherein the fixing member comprises a connecting plate and a catch connected to each other, and the connecting portion is a journal structure formed between the connecting plate and the catch.

7. The check valve for the water collecting tank of the automobile as claimed in claim 6, wherein the catch is provided in a trapezoidal structure along a length direction of the connecting portion, a lower bottom of the catch communicates with the connecting portion, and an upper bottom of the catch communicates with the inlet end of the valve body.

8. The check valve for the automobile water collecting tank as claimed in claim 7, wherein the check valve for the automobile water collecting tank is integrally formed, and the connecting plate, the valve body, the clip, the connecting portion, and the check valve plate are made of a rubber material.

9. A water collection tank assembly comprising a water collection tank body, characterized in that it further comprises a check valve for an automotive water collection tank according to any one of claims 1-8.

10. The sump assembly of claim 9, wherein the connection plate, the valve body, the snap and the connection portion of the check valve for an automobile sump have cross-sectional shapes that are adapted to the drain opening of the sump body.

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