Novel polytetrafluoroethylene microporous ventilation cap

Abstract

The utility model discloses a novel polytetrafluoroethylene micropore ventilation cap which comprises a cap body, V-shaped flow guide plates which are connected in a downward inclined and extending mode are arranged outside the two sides of the top of the cap body, flow guide micropores are formed in the bottoms of the V-shaped flow guide plates, a connecting plate which extends downwards is arranged at the bottoms of the V-shaped flow guide plates, a limiting ring is arranged on the upper side in the connecting plate, and a drying cavity is formed in the upper side of the limiting ring. A sealing piece is arranged on the lower side of the limiting ring, a breathable film is arranged on the top of the sealing piece, and an X-shaped reinforcing strip is arranged on the bottom side of the breathable film. By arranging the V-shaped flow guide plate and the flow guide micropores, gas exchange between the cap body and the sealing piece is enhanced, and the air permeability is enhanced; by arranging the drying cavity, the overall waterproofness of the ventilation cap is enhanced, and water vapor in air is prevented from entering the ventilation cap.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially relates to a novel polytetrafluoroethylene microporous breathable cap. BACKGROUND

[0002] Generally, the vent cap is used in the shell of the automobile electrical parts such as the headlamp, tail lamp, fog lamp, steering lamp, motor, various pressure sensors, pressure switch and electronic control device shell. That is, in the shell of the electrical parts, the vent cap is arranged in the opening part formed in the mode of communicating the inside and outside to prevent water, dust and the like from flowing into the inside, alleviate the pressure change in the shell based on the temperature change, make the sound transmit between the inside and outside of the equipment shell, and discharge the gas and moisture generated in the equipment shell. However, in the prior art, the ventilation channel is too small, and the waterproof performance is poor, SUMMARY

[0003] The utility model discloses a novel polytetrafluoroethylene microporous breathable cap which is provided with a V-shaped flow guide plate and a flow guide micropore, enhances the gas exchange between the cap body and the sealing element, and enhances the breathability. The utility model discloses a novel polytetrafluoroethylene microporous breathable cap which is provided with a drying chamber, enhances the waterproof performance of the whole breathable cap, and avoids the water vapor in the air from entering the breathable cap.

[0004] In order to solve the above technical problems, the utility model discloses a novel polytetrafluoroethylene microporous breathable cap, which comprises: a cap body, V-shaped flow guide plates are arranged on the two sides of the top of the cap body and extend downward and connect, flow guide micropores are arranged at the bottom of the V-shaped flow guide plate, a connecting plate extends downward at the bottom of the V-shaped flow guide plate, a limiting ring is arranged on the upper side in the connecting plate, a drying chamber is arranged on the upper side of the limiting ring, a sealing element is arranged on the lower side of the limiting ring, a breathable film is arranged on the top of the sealing element, and X-shaped reinforcing strips are arranged on the bottom side of the breathable film.

[0005] According to one embodiment of the utility model, the cap body, the V-shaped flow guide plate and the connecting plate are integrally formed.

[0006] According to one embodiment of the utility model, the sealing element is threadedly connected with the connecting plate.

[0007] According to one embodiment of the utility model, the cap body is made of polytetrafluoroethylene material.

[0008] According to one embodiment of the utility model, the drying chamber is adhesively connected with the limiting ring, and a drying agent is arranged in the drying chamber.

[0009] Compared with the prior art, the application can obtain the following technical effects:

[0010] 1) By setting V-shaped guide plate and guide micro-hole, the gas exchange between the cap body and the sealing element is enhanced, and the air permeability is enhanced; by setting the drying chamber, the waterproofness of the whole air permeable cap is enhanced, and the water vapor in the air is prevented from entering the air permeable cap.

[0011] Of course, any product implementing the present application does not necessarily need to achieve all the above technical effects at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0013] Figure 1 is a schematic diagram of the novel polytetrafluoroethylene microporous air permeable cap of the embodiment of the present application.

[0014] BRIEF DESCRIPTION OF DRAWINGS

[0015] Cap body 10, V-shaped guide plate 20, guide micro-hole 21, connecting plate 30, limiting ring 40, drying chamber 50, sealing element 60, air permeable film 70, X-shaped reinforcing strip 71. DETAILED DESCRIPTION

[0016] The embodiments of the present application will be described in detail below with reference to the accompanying drawings and embodiments, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0017] Please refer to Figure 1 , Figure 1 is a schematic diagram of the novel polytetrafluoroethylene microporous air permeable cap of the embodiment of the present application. As shown in the figure, a novel polytetrafluoroethylene microporous air permeable cap comprises: a cap body 10, V-shaped guide plates 20 extending downward and inclined on both sides of the top of the cap body 10, guide micro-holes 21 provided at the bottom of the V-shaped guide plates 20, connecting plates 30 extending downward at the bottom of the V-shaped guide plates 20, limiting rings 40 provided on the inner upper side of the connecting plates 30, drying chambers 50 provided on the upper side of the limiting rings 40, sealing elements 60 provided on the lower side of the limiting rings 40, air permeable films 70 provided on the top of the sealing elements 60, and X-shaped reinforcing strips 71 provided on the bottom side of the air permeable films 70.

[0018] In the embodiment of the present application, the cap body 10 is made of polytetrafluoroethylene material, V-shaped guide plates 20 extending downward and inclined on both sides of the top of the cap body 10 are provided, guide micro-holes 21 are provided at the bottom of the V-shaped guide plates 20, the guide micro-holes 21 are communicated with the inside of the cap body 10, the V-shaped guide plates 20 enhance the gas exchange between the cap body 10 and the sealing element 60, and the air permeability of the cap body 10 is enhanced.

[0019] Further, the downwardly extending connecting plate 30 is arranged under the V-shaped guide plate 20, the limiting ring 40 is arranged in the connecting plate 30, the drying chamber 50 is arranged on the limiting ring 40, the drying chamber 50 is pasted with the limiting ring 40, convenient to replace, the drying agent is arranged in the drying chamber 50, used for adsorbing water vapor, enhancing the waterproofness of the whole breathable cap, avoiding the water vapor in the air entering the breathable cap.

[0020] Further, the sealing piece 60 is arranged on the lower side of the limiting ring, the sealing piece 60 is used for connecting the automobile parts, enhancing the sealing property. The breathable film 70 is arranged on the top of the sealing piece 60, convenient for gas exchange, the X-shaped reinforcing strip 71 is arranged on the bottom side of the breathable film 70, enhancing the pressure resistance of the breathable film 70, making it not easy to be damaged.

[0021] Further, the sealing piece 60 is connected with the connecting plate 30 through the thread, convenient to replace, the cap body 10 is integrally formed with the V-shaped guide plate 20 and the connecting plate 30.

[0022] The above description shows and describes several preferred embodiments of the present application, but as before, it should be understood that the present application is not limited to the forms disclosed herein, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be modified within the scope of the present application, through the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the present application should be within the protection scope of the claims attached to the present application.

Claims

1. A novel polytetrafluoroethylene microporous breathable cap, characterized in that, include: The cap body has V-shaped guide plates extending downwards on both sides of its top. The bottom of the V-shaped guide plates has guide micro-holes, and the bottom of the V-shaped guide plates has a connecting plate extending downwards. The upper side of the connecting plate has a limiting ring, the upper side of the limiting ring has a drying chamber, the lower side of the limiting ring has a sealing element, the top of the sealing element has a breathable membrane, and the bottom side of the breathable membrane has an X-shaped reinforcing strip.

2. The novel polytetrafluoroethylene microporous breathable cap according to claim 1, characterized in that, The cap body is integrally formed with the V-shaped guide plate and the connecting plate.

3. The novel polytetrafluoroethylene microporous breathable cap according to claim 1, characterized in that, The seal is threadedly connected to the connecting plate.

4. The novel polytetrafluoroethylene microporous breathable cap according to claim 1, characterized in that, The cap is made of polytetrafluoroethylene.

5. The novel polytetrafluoroethylene microporous breathable cap according to claim 1, characterized in that, The drying chamber is bonded to the limiting ring, and a desiccant is provided inside the drying chamber.

Images