Breathable valve for integrated automobile electric control device

Abstract

The utility model relates to an integrated ventilation valve for an automobile electric control device, which comprises a top cover, a base and a ventilation film, the ventilation film is arranged between the top cover and the base, a ventilation hole is opened and closed in the middle of the base, a cross-shaped supporting plate is arranged in the middle of the ventilation hole, and pins are uniformly distributed on the outer circumference of the lower surface of the base. The lower ends of the pins are provided with fixing blocks protruding outwards. A fixing boss is arranged on the outer side of the upper end of the base, a fixing groove capable of being matched with the fixing boss is formed in the top cover, and the breathable film is installed between the upper surface of the fixing boss and the upper top wall of the fixing groove in a pressed mode. The top cover and the base are integrally formed, and the breathable film is implanted in the forming die, so that the processing period is short, and the cost is low; the cross-shaped supporting plate can better support the breathable film and prevent foreign objects from easily puncturing the breathable film; the ventilation surface area of the ventilation film can be increased through the grooves and the ventilation grooves in the cross-shaped supporting plate; and the ventilation valve is more convenient to install through the guide columns.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic control devices and relates to an integrated air-permeable valve for automobile electronic control devices. Background Art

[0002] As one of the core components of a car, the car's onboard computer must have a waterproof outer shell and a certain degree of air permeability to prevent the hot steam generated by internal heat from being unable to pass through the shell and then return after cooling, which would have adverse effects on the electronic components. Therefore, a breathable valve with waterproof and breathable functions is essential. At present, the breathable membrane of the breathable valve is mostly implanted into the interior of the breathable valve using ultrasonic welding technology, which has a long production cycle and high cost. Summary of the invention

[0003] The utility model aims to overcome the deficiencies in the prior art, solve the problems of long production cycle and high cost of implanting a breathable membrane into a breathable valve, and provide an integrated breathable valve for automotive electronic control devices.

[0004] In order to achieve the above purpose, the following technical solutions are adopted:

[0005] The integrated air-permeable valve for automobile electronic control components comprises a top cover, a base and an air-permeable membrane, wherein the air-permeable membrane is arranged between the top cover and the base, an air-permeable hole is opened and closed in the middle of the base, a cross support plate is arranged in the middle of the air-permeable hole, pins are evenly distributed on the outer circumference of the lower side of the base, and a fixing block protruding outward is arranged at the lower end of the pin; a fixing boss is arranged on the outer side of the upper end of the base, a fixing groove capable of matching with the fixing boss is arranged on the top cover, and the air-permeable membrane is pressed between the upper surface of the fixing boss and the upper top wall of the fixing groove; a vent corresponding to the air-permeable hole is arranged in the middle of the top cover; the top cover and the base are made of one-piece injection molding.

[0006] Preferably, a groove is provided in the middle of the cross support plate, and ventilation grooves are evenly distributed on the circumference of the side walls of the groove.

[0007] Preferably, the outer edge of the lower end of the fixing block is provided with a chamfer.

[0008] Preferably, the breathable membrane has breathable and waterproof functions.

[0009] Preferably, a guide column protruding downward is provided under the cross support plate.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The top cover and the base of the utility model are made of one-piece molding, and a breathable membrane is implanted in the molding mold, which has a short processing cycle and low cost; the cross support plate can better support the breathable membrane and prevent foreign objects from easily penetrating the breathable membrane; the grooves and ventilation grooves on the cross support plate can increase the breathable surface area of ​​the breathable membrane; the guide column makes the breathable valve more stable during installation and will not shake left and right. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the use state of the utility model.

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the base structure of the utility model.

[0015] Figure 4 It is a schematic diagram of the top cover structure of the utility model.

[0016] In the figure: 1. Top cover; 2. Base; 3. Breathable membrane; 4. Breathable hole; 5. Cross support plate; 6. Pin; 7. Fixing block; 8. Fixing boss; 9. Fixing groove; 10. Guide column; 11. Groove; 12. Ventilation groove; 13. Chamfer; 14. Ventilation hole; 15. Mounting hole; 16. Guide hole; 17. Driving computer housing. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0018] like Figure 1-Figure 4 As shown, an integrated air-permeable valve for automotive electronic control components comprises a top cover 1, a base 2 and an air-permeable membrane 3. The air-permeable membrane 3 is arranged between the top cover 1 and the base 2, and the air-permeable membrane 3 enables the air-permeable valve to have waterproof and air-permeable functions;

[0019] The middle part of the base 2 is provided with an air hole 4, and the middle part of the air hole 4 is provided with a cross support plate 5, which can support the air permeable membrane 3 to a certain extent, and can prevent foreign objects from easily penetrating the air permeable membrane 3 when in use, and has a certain protective effect;

[0020] The outer circumference of the bottom of the base 2 is evenly distributed with pins 6, and the lower end of the pins 6 is provided with a fixing block 7 protruding outward, and the pins 6 can be fixed on the car's driving computer housing 17 through the fixing block 7;

[0021] The upper outer side of the base 2 is provided with a fixing boss 8, and the top cover 1 is provided with a fixing groove 9 that can cooperate with the fixing boss 8. The breathable membrane 3 is pressed between the upper surface of the fixing boss 8 and the upper top wall of the fixing groove 9. The breathable membrane 3 is fixed by the cooperation of the fixing groove 9 and the fixing boss 8, and does not need to be fixed by ultrasonic welding, which saves costs.

[0022] A vent hole 14 corresponding to the vent hole 4 is provided in the middle of the top cover 1; the top cover 1 and the base 2 are made of one-piece injection molding, the top cover 1 and the base 2 are molded in one stop by injection molding, a breathable membrane is implanted in the molding mold, and the breathable membrane 3 is sandwiched between the plastic product by injection molding and solidified, and is directly sandwiched between the top cover 1 and the base 2 after cooling, thereby shortening the processing cycle.

[0023] Furthermore, a groove 11 is provided in the middle of the cross support plate 5 , and ventilation grooves 12 are evenly distributed on the circumference of the side wall of the groove 11 . The groove 11 and the ventilation grooves 12 can increase the ventilation surface area of ​​the breathable membrane 3 .

[0024] Furthermore, a chamfer 13 is provided on the outer edge of the lower end of the fixing block 7, and the chamfer 13 facilitates the pin 6 to be inserted into the mounting hole on the housing of the vehicle computer.

[0025] Furthermore, the breathable membrane 3 has breathable and waterproof functions.

[0026] Further, a downwardly protruding guide column 10 is provided below the cross support plate 5. The guide column 10 cooperates with the guide hole in the middle of the driving computer installation hole, so that the breathable valve is more stable after installation and will not shake left and right.

[0027] Working principle: the top cover 1 and the base 2 of the utility model are made by integral molding, and the breathable membrane 3 is implanted in the molding mold. The breathable membrane 3 is sandwiched between the top cover 1 and the base 2 by injection molding and curing, and is directly sandwiched between the top cover 1 and the base 2 after cooling, thereby shortening the processing cycle; by arranging a cross support plate 5 in the middle of the air hole 4, the cross support plate 5 can have a certain supporting effect on the breathable membrane 3, and when in use, it can prevent foreign objects from easily penetrating the breathable membrane 3, and has a certain protective effect; the groove 11 and the ventilation groove 12 on the cross support plate 5 can increase the air permeability area of ​​the breathable membrane 3; the guide column 5 makes the breathable valve more stable after installation and will not shake left and right;

[0028] When in use, first align the guide column 10 with the guide hole on the mounting hole of the driving computer, and then press the pin 6 into the mounting hole to complete the installation of the breathable valve.

[0029] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. An integrated air-permeable valve for an automotive electronic control device, comprising a top cover (1), a base (2) and an air-permeable membrane (3), wherein the air-permeable membrane (3) is arranged between the top cover (1) and the base (2), and wherein: A ventilation hole (4) is opened and closed in the middle of the base (2), a cross support plate (5) is arranged in the middle of the ventilation hole (4), pins (6) are evenly distributed on the outer circumference of the lower side of the base (2), and a fixing block (7) protruding outward is arranged at the lower end of the pin (6); a fixing boss (8) is arranged on the outer side of the upper end of the base (2), a fixing groove (9) capable of matching with the fixing boss (8) is arranged on the top cover (1), and the breathable membrane (3) is pressed between the upper surface of the fixing boss (8) and the upper top wall of the fixing groove (9); a ventilation hole (14) corresponding to the ventilation hole (4) is arranged in the middle of the top cover (1); the top cover (1) and the base (2) are made of one-piece injection molding.

2. The integrated vent valve for automotive electronic control components according to claim 1 is characterized in that: A groove (11) is provided in the middle of the cross support plate (5), and ventilation grooves (12) are evenly distributed on the circumference of the side wall of the groove (11).

3. The integrated vent valve for automotive electronic control components according to claim 1 is characterized in that: The outer edge of the lower end of the fixing block (7) is provided with a chamfer (13).

4. The integrated vent valve for automotive electronic control components according to claim 1 is characterized in that: The breathable membrane (3) has breathable and waterproof functions.

5. The integrated vent valve for automotive electronic control components according to claim 1 is characterized in that: A guide column (10) protruding downward is provided below the cross support plate (5).

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