CN218153996U

CN218153996U - Waterproof ventilative cap that hot melt adhesion nature is good

Info

Publication number: CN218153996U
Application number: CN202221438767.9U
Authority: CN
Inventors: 史玉平; 雷中华
Original assignee: Danyang Kore Precision Electronic Co ltd
Current assignee: Danyang Kore Precision Electronic Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-12-27
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a waterproof ventilative cap that hot melt adhesion nature is good, include: a housing cap, a seal, and a gas permeable membrane; the shell cap and the sealing body of the utility model are matched through the clamping groove, the shell cap can compress the sealing body to improve the sealing performance, and the movement is limited by the positioning groove and the positioning bulge to avoid the situation of sliding caused by vibration; the air holes can increase air circulation and facilitate ventilation, and the air holes are positioned lower than the upper end surface of the sealing body, so that good dustproof and waterproof effects can be achieved; the structural layer in the middle of the breathable film can improve the strength of the breathable film and avoid cracking, and the three circles of bonding parts on the adhesive layer are bonded with the upper end face of the sealing body to improve the sealing performance.

Description

Waterproof ventilative cap that hot melt adhesion nature is good

Technical Field

The utility model belongs to the technical field of the car light, specifically speaking relates to a waterproof ventilative cap that hot melt adhesion nature is good.

Background

The automobile lamps are always exposed in the external environment, and dust, rain, snow, road debris and mud can influence the illumination of the lamps, so that the safety degree of the driving process of the automobile is influenced. The dip of outside temperature can lead to the decline of internal pressure, makes equipment inhale the pollutant easily and increases the fogging, finally causes the car light trouble, is furnished with for this car light and exempts from the waterproof ventilative cap of receiving outside steam, dust or greasy dirt invasion, but current waterproof ventilative cap practicality is not good.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that a waterproof ventilative cap that hot melt adhesion nature is good is provided, solved among the prior art waterproof ventilative cap not good problem of practicality.

In order to solve the technical problem, the utility model discloses a waterproof ventilative cap that hot melt adhesion nature is good, include: a housing cap, a seal, and a gas permeable membrane; a plurality of clamping grooves are formed in the inner circumference of the shell cap at intervals, positioning grooves are formed in at least two clamping grooves, and a plurality of air holes are formed in the circumference of the shell cap at intervals; the sealing body is in a pipe shape, a plurality of clamping blocks are arranged on the circumference of the outer surface of the sealing body at intervals, and positioning bulges are arranged on at least two clamping blocks; the breathable film comprises an adhesive layer, a breathable film layer, a structural layer and a breathable film layer.

Furthermore, four clamping grooves are formed in the inner circumference of the shell cap at intervals.

Furthermore, four air holes are arranged on the circumference of the shell cap at intervals.

Furthermore, the air holes are positioned between two adjacent clamping grooves.

Furthermore, the distance from the air holes to the port of the shell cap is smaller than the distance from the bottom surface of the clamping groove to the port of the shell cap.

Furthermore, the positioning groove is a hemispherical groove.

Further, the sealing body is made of rubber.

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

the shell cap and the sealing body of the utility model are matched through the clamping groove, the shell cap can compress the sealing body to improve the sealing performance, and the movement is limited by the positioning groove and the positioning bulge to avoid the situation of sliding caused by vibration; the air holes can increase air circulation and facilitate ventilation, and the air holes are positioned lower than the upper end surface of the sealing body, so that good dustproof and waterproof effects can be achieved; the structural layer in the middle of the breathable film can improve the strength of the breathable film and avoid cracking, and the three circles of bonding parts on the adhesive layer are bonded with the upper end face of the sealing body to improve the sealing performance.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

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 embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a front view of a waterproof and breathable cap according to an embodiment of the present invention;

fig. 2 is a perspective view of a waterproof and breathable cap according to an embodiment of the present invention;

FIG. 3 is a schematic view of a breathable film according to an embodiment of the present invention.

Reference symbols of the drawings

The sealing structure comprises a shell cap 1, a sealing body 2, a breathable film 3, a clamping groove 4, a positioning groove 5, a breathable hole 6, a clamping block 7, a positioning protrusion 8, an adhesive layer 9, a breathable film layer 10, a structural layer 11 and a bonding part 12.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 to 3, fig. 1 is a front view of a waterproof and breathable cap according to an embodiment of the present invention; fig. 2 is a perspective view of a waterproof and breathable cap according to an embodiment of the present invention; fig. 3 is a schematic view of a breathable film according to an embodiment of the present invention. A waterproof breathable cap with good hot-melt adhesion comprises: a shell cap 1, a sealing body 2 and a breathable film 3; a plurality of clamping grooves 4 are formed in the inner circumference of the shell cap 1 at intervals, positioning grooves 5 are formed in at least two clamping grooves 4, and a plurality of air holes 6 are formed in the circumference of the shell cap 1 at intervals; the sealing body 2 is in a pipe shape, a plurality of clamping blocks 7 are arranged on the circumference of the outer surface of the sealing body at intervals, and positioning protrusions 8 are arranged on at least two clamping blocks 7; the breathable film 3 has an adhesive layer 9, a breathable film layer 10, a structural layer 11, and a breathable film layer 10.

Four clamping grooves 4 are arranged at intervals on the inner circumference of the shell cap 1; four air holes 6 are arranged on the circumference of the shell cap 1 at intervals; the air holes 6 are positioned between two adjacent clamping grooves 4; the distance from the air hole 6 to the port of the shell cap 1 is less than the distance from the bottom surface of the clamping groove 4 to the port of the shell cap 1; the positioning groove 5 is a hemispherical groove; the sealing body 2 is made of rubber.

One end of the sealing body 2 is sleeved on an air outlet of the rear shell of the vehicle lamp, the other end of the sealing body 2 is bonded with the breathable film 3, and the outer shell cap 1 is matched with the sealing body 2; the structure layer 11 is formed by weaving silk threads into a grid shape, the air permeable film layer 10 is provided with nanometer-scale air permeable holes, and the adhesive layer 9 is adhered to the air permeable film layer 10 and is provided with three circles of annular adhesion parts 12.

The shell cap 1 and the sealing body 2 of the utility model are matched through the clamping groove 4, the shell cap 1 can compress the sealing body 2 to improve the sealing performance, and the positioning groove 5 and the positioning bulge 8 limit the movement to avoid the situation of sliding caused by vibration; the air holes 6 can increase the air circulation and facilitate the ventilation, and the air holes 6 are positioned lower than the upper end surface of the sealing body 2, so that the dustproof and waterproof effects can be achieved; the structural layer 11 in the middle of the breathable film 3 can improve the strength thereof to avoid cracking, and the three circles of bonding parts 12 on the adhesive layer 9 are bonded with the upper end face of the sealing body 2 to improve the sealing property.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A waterproof breathable cap with good hot-melt adhesion comprises: a housing cap, a seal, and a gas permeable membrane;

the air-permeable shell cap is characterized in that a plurality of clamping grooves are formed in the inner circumference of the shell cap at intervals, positioning grooves are formed in at least two clamping grooves, and a plurality of air-permeable holes are formed in the circumference of the shell cap at intervals; the sealing body is in a pipe shape, a plurality of clamping blocks are arranged on the circumference of the outer surface of the sealing body at intervals, and positioning bulges are arranged on at least two clamping blocks; the breathable film comprises an adhesive layer, a breathable film layer, a structural layer and a breathable film layer.

2. The waterproof and breathable cap with good hot melt adhesion as claimed in claim 1, wherein four of the slots are formed in the inner circumference of the outer shell cap at intervals.

3. The waterproof and breathable cap with good hot-melt adhesion of claim 1, wherein four of the breathable holes are formed in the circumference of the outer shell cap at intervals.

4. The waterproof and breathable cap with good hot melt adhesion as claimed in claim 1, wherein the breathable holes are located between two adjacent clamping grooves.

5. The waterproof and breathable cap with good hot-melt adhesion as claimed in claim 1, wherein the distance from the breathable hole to the port of the shell cap is smaller than the distance from the bottom surface of the clamping groove to the port of the shell cap.

6. The waterproof and breathable cap with good hot-melt adhesion of claim 1, wherein the positioning groove is a hemispherical groove.

7. The waterproof and breathable cap with good hot-melt adhesion according to claim 1, characterized in that the sealing body is made of rubber.