High-performance polytetrafluoroethylene breathable assembly

Abstract

The utility model discloses a high-performance polytetrafluoroethylene ventilation assembly which comprises a ventilation circular ring, flow guide holes which correspond to each other are formed in the periphery and the bottom of the ventilation circular ring, a connecting rod is arranged in the middle of the ventilation circular ring, threads are arranged on the surface of the connecting rod, a sealing circular cover is arranged on the top of the connecting rod, and a protection flange which extends downwards is arranged on the periphery of the sealing circular cover. A connecting ring extending downwards is arranged at the bottom of the breathable ring, a breathable ring is arranged on the connecting ring, a polytetrafluoroethylene breathable film layer is arranged on the lower side of the breathable ring, and a sealing ring is arranged at the bottom of the breathable ring. The ventilation circular ring is arranged, so that air exchange between the automobile lamp and the outside is accelerated; by arranging a sealing round cover and a protective flange, the breathable circular ring is greatly protected, and water vapor is prevented from entering the automobile lamp; by arranging the ventilation ring, water vapor is further prevented from entering the automobile lamp, and the service life of the automobile lamp is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially relates to a high performance polytetrafluoroethylene air permeable assembly. BACKGROUND

[0002] The automobile headlamp air permeable film is an important part of protecting the internal components of the headlamp, and its existence helps to balance the air pressure inside and outside the headlamp, prevents the internal pressure change caused by temperature difference from damaging the headlamp, the existing air permeable assembly has poor waterproofness and poor air flow, which leads to slow heat dissipation of the vehicle lamp and short service life. SUMMARY

[0003] The utility model discloses a kind of high performance polytetrafluoroethylene air permeable assemblies, air permeable ring is set, air exchange between vehicle lamp and outside air is accelerated;Sealing round cover and protective baffle are set, air permeable ring is greatly protected, to avoid water vapor into vehicle lamp;Air permeable ring is set, further avoid water vapor into vehicle lamp, greatly extend the service life of vehicle lamp.

[0004] In order to solve the above technical problems, the utility model discloses a kind of high performance polytetrafluoroethylene air permeable assemblies, including: air permeable ring, air permeable ring four around and bottom are equipped with the flow guide hole corresponding to each other, air permeable ring middle is equipped with connecting rod, connecting rod surface is equipped with screw thread, connecting rod top is equipped with sealing round cover, sealing round cover four around is equipped with the protective baffle that extends downwards, protective baffle height is higher than air permeable ring, air permeable ring bottom is equipped with the connecting ring that extends downwards, connecting ring is equipped with air permeable ring, air permeable ring lower side is equipped with polytetrafluoroethylene air permeable film layer, air permeable ring bottom is equipped with sealing ring.

[0005] According to the utility model one embodiment, wherein the above-mentioned air permeable ring and connecting rod are integrally formed.

[0006] According to the utility model one embodiment, wherein the thickness of the above-mentioned polytetrafluoroethylene air permeable film layer is 3-5 μm.

[0007] Compared with the prior art, the present application can obtain the following technical effects:

[0008] 1) air permeable ring is set, air exchange between vehicle lamp and outside air is accelerated;Sealing round cover and protective baffle are set, air permeable ring is greatly protected, to avoid water vapor into vehicle lamp;Air permeable ring is set, further avoid water vapor into vehicle lamp, greatly extend the service life of vehicle lamp.

[0009] Of course, any product implementing the utility model does not necessarily need to achieve all the above technical effects simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0010] 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 application and together with the description serve to explain the application. In the drawings:

[0011] Figure 1 is a schematic diagram of a high-performance polytetrafluoroethylene vent assembly according to an embodiment of the application.

[0012] Figure legend

[0013] Vent ring 10, flow guide hole 11, connecting rod 12, thread 13, sealing circular cover 20, protective flange 30, connecting ring 40, vent ring 50, polytetrafluoroethylene vent film layer 60, sealing ring 70. DETAILED DESCRIPTION

[0014] The embodiments of the present application will be described in detail with reference to the drawings and examples, so that the application can be fully understood and implemented by applying technical means to solve technical problems and achieving technical effects.

[0015] Please refer to Figure 1 , Figure 1 is a schematic diagram of a high-performance polytetrafluoroethylene vent assembly according to an embodiment of the application. As shown in the figure, a high-performance polytetrafluoroethylene vent assembly comprises: a vent ring 10, the vent ring 10 is provided with a plurality of flow guide holes 11 corresponding to each other around and at the bottom, a connecting rod 12 is arranged in the middle of the vent ring 10, a thread 13 is arranged on the surface of the connecting rod 12, a sealing circular cover 20 is arranged on the top of the connecting rod 12, a protective flange 30 extending downward is arranged around the sealing circular cover 20, the height of the protective flange 30 is higher than that of the vent ring 10, a connecting ring 40 extending downward is arranged at the bottom of the vent ring 10, a vent ring 50 is arranged on the connecting ring 40, a polytetrafluoroethylene vent film layer 60 is arranged on the lower side of the vent ring 50, and a sealing ring 70 is arranged at the bottom of the vent ring 50.

[0016] In the embodiment of the present application, the flow guide holes 11 corresponding to each other are arranged around and at the bottom of the vent ring 50, which facilitates the exchange of external gas and internal gas of the car lamp and accelerates the exchange rate. The connecting rod 12 is arranged in the middle of the vent ring 10, the vent ring 10 and the connecting rod 12 are integrally formed, the thread 13 is arranged on the surface of the connecting rod 12, the sealing circular cover 20 is arranged on the top of the connecting rod 12, the sealing circular cover 20 is connected with the connecting rod 12 through the thread 13, and the connection is more tight. Then the protective flange 30 extending downward is arranged around the sealing circular cover 20, and the height of the protective flange 30 is set to be higher than that of the vent ring 10, so as to avoid rainwater from entering the flow guide holes 11 in extreme rain and snow weather.

[0017] Further, a connecting ring 40 extending downward is arranged at the bottom of the air-permeable ring 10, and an air-permeable ring 50 is arranged on the connecting ring 40, and a polytetrafluoroethylene air-permeable film layer 60 is arranged at the lower side of the air-permeable ring 50, and the thickness of the polytetrafluoroethylene air-permeable film layer 60 is 3-5 μm, which greatly avoids water vapor from entering the vehicle lamp.

[0018] Further, a sealing ring 70 is arranged at the bottom of the air-permeable ring 50 for connecting with the vehicle lamp.

[0019] The above description shows and describes several preferred embodiments of the present application, but as previously mentioned, the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present application, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A high performance polytetrafluoroethylene vent assembly characterized by, The air-permeable circular ring is characterized in that: a plurality of flow guide holes are arranged around and at the bottom of the air-permeable circular ring; a connecting rod is arranged in the middle of the air-permeable circular ring; the surface of the connecting rod is provided with threads; a sealing circular cover is arranged at the top of the connecting rod; a protective flange extending downward is arranged around the sealing circular cover; the height of the protective flange is higher than that of the air-permeable circular ring; a connecting ring extending downward is arranged at the bottom of the air-permeable circular ring; an air-permeable ring is arranged on the connecting ring; a polytetrafluoroethylene air-permeable film layer is arranged at the lower side of the air-permeable ring; and a sealing ring is arranged at the bottom of the air-permeable ring.

2. The high performance polytetrafluoroethylene breather assembly of claim 1, wherein, The air-permeable circular ring and the connecting rod are integrally formed.

3. The high performance polytetrafluoroethylene breather assembly of claim 1, wherein, The thickness of the polytetrafluoroethylene air-permeable film layer is 3-5 μm.

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