CN217234534U

CN217234534U - Waterproof ventilation valve

Info

Publication number: CN217234534U
Application number: CN202220789825.6U
Authority: CN
Inventors: 李小强; 王超诚; 曾凡乐; 曾浩
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-19
Anticipated expiration: 2032-04-07

Abstract

A waterproof vent valve relates to the technical field of vent valves and comprises a vent valve main body, wherein the vent valve main body comprises a vent valve cover and a vent valve body, the vent valve cover is connected with the vent valve body, a valve cover cavity is arranged in the vent valve cover, a valve body cavity is arranged in the vent valve body, the inner diameter of the valve cover cavity is smaller than that of the valve body cavity, the waterproof vent valve further comprises a vent film, the vent film is connected with the vent valve main body, the vent film is arranged in the vent valve main body, the vent film is connected with the inner wall of the valve body cavity, the diameter of the vent film is larger than that of the valve cover cavity, and the vent valve cover and the vent valve body are of an integrated structure. The utility model discloses simplify the structure of breather valve for this product is more stable when using, has improved the reliability of product, and has reduced product manufacturing cost, with the problem of proposing in solving above-mentioned background art.

Description

Waterproof ventilation valve

Technical Field

The utility model relates to a ventilation valve technical field specifically is waterproof ventilation valve.

Background

Waterproof ventilation valve generally applies to current distribution and electronic electrical equipment field, like control box, block terminal, junction box, instrument etc. main effect prevents in water or external pollution gets into the box, guarantees equipment safe operation, plays the box internal and external ventilation cooling simultaneously, effects such as internal and external pressure of balanced box.

At present, the existing waterproof vent valve is formed by connecting a cover and a vent valve body through threads or pressing in an interference fit manner, and a product is loosened due to vibration in the using process so as to influence the normal use of the product and have low reliability; the existing waterproof vent valve consists of a cover and a vent valve body, the cover and the vent valve body are turned, the machining speed is low, certain assembling time is required during product assembling, and the machining time and the machining cost of the product are high; and most of products adopt threaded type fixing for internal fasteners, the installation process is complex, and the cost is too high.

Therefore, it is necessary to develop a waterproof vent valve to solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof breather valve has simplified the structure of breather valve for this product is more stable when using, has improved the reliability of product, has reduced product manufacturing cost, with the problem of proposing in solving above-mentioned background art.

The waterproof ventilation valve comprises a ventilation valve main body, wherein the ventilation valve main body comprises a ventilation valve cover and a ventilation valve body, the ventilation valve cover is connected with the ventilation valve body, a valve cover cavity is arranged in the ventilation valve cover, a valve body cavity is arranged in the ventilation valve body, the inner diameter of the valve cover cavity is smaller than that of the valve body cavity, the waterproof ventilation valve further comprises a ventilation film, the ventilation film is connected with the ventilation valve main body, the ventilation film is arranged in the ventilation valve main body and connected with the inner wall of the valve body cavity, the diameter of the ventilation film is larger than that of the valve cover cavity, and the ventilation valve cover and the ventilation valve body are of an integrated structure.

Furthermore, the ventilation valve cover is also provided with at least one ventilation hole.

Furthermore, an O-shaped ring is further arranged on the ventilation valve body, and the O-shaped ring is sleeved on the outer side of the ventilation valve body.

Further, the waterproof ventilation valve further comprises a gasket and a fastening ring, the gasket is connected with the ventilation film, the fastening ring is connected with the gasket, the gasket is arranged below the ventilation film, and the fastening ring is arranged below the gasket.

Further, the outer diameter of the gasket is larger than the inner diameter of the valve cover cavity, and the outer diameter of the fastening ring is also larger than the inner diameter of the valve cover cavity.

Further, the outer diameter of the gasket is smaller than the inner diameter of the valve body cavity, and the outer diameter of the fastening ring is also smaller than the inner diameter of the valve body cavity.

Further, the outer diameter of the fastening ring is larger than the inner diameter of the gasket.

Furthermore, still be equipped with the ring channel on the ventilative valve body, the ring channel is used for holding the jump ring.

Furthermore, the waterproof ventilation valve also comprises a clamp spring, the clamp spring is matched with the annular groove, the clamp spring is connected with the annular groove, and the clamp spring is used for propping against the fastening ring.

Further, still be equipped with the screw thread on the ventilative valve body, the screw thread is the external screw thread.

Compared with the prior art, the utility model redesigns the product structure, and designs the ventilation valve cover and the ventilation valve body into an integral structure, so that the utility model can not influence the normal use of the product due to vibration loosening in the use process, thereby improving the reliability of the product; and the integrated structure cancels the connecting structure between the vent valve cover and the vent valve body, reduces the production time of the product, also reduces the assembly time and the assembly cost of the product, simplifies the installation process of the product and reduces the production cost of the product.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic view of an overall construction of a vent valve body;

fig. 2 is an exploded view of an overall structure of the present invention;

FIG. 3 is a sectional view showing an overall structure of a main body of the ventilation valve;

fig. 4 is a cross-sectional view of the overall structure of the present invention.

The notation in the figure is: 11. a gas permeable valve cover; 111. a valve cap cavity; 12. a gas permeable valve body; 121. a valve body cavity; 122. an annular groove; 2. an O-shaped ring; 3. a gas permeable membrane; 4. a gasket; 5. fastening rings; 6. and a clamp spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The waterproof vent valve comprises a vent valve main body, wherein the vent valve main body comprises a vent valve cover 11 and a vent valve body 12, the vent valve cover 11 is connected with the vent valve body 12, a valve cover cavity 111 is arranged in the vent valve cover 11, a valve body cavity 121 is arranged in the vent valve body 12, the inner diameter of the valve cover cavity 111 is smaller than that of the valve body cavity 121, the waterproof vent valve further comprises a vent membrane 3, the vent membrane 3 is connected with the vent valve main body, the vent membrane 3 is arranged in the vent valve main body, the vent membrane 3 can be connected with the inner wall 121 of the valve body cavity, and the diameter of the vent membrane 3 is larger than that of the valve cover cavity 111. The air-permeable valve cover 11 is also provided with at least one air hole.

Preferably, the ventilation valve cover 11 and the ventilation valve body 12 are of an integrated structure, so that the product cannot be loosened when being influenced by external factors such as vibration and the like, the sealing performance of the product is enhanced, and the reliability of the product is improved; and the integrated vent valve reduces the connecting structure between the vent valve cover 11 and the vent valve body 12, reduces the production time of the product and reduces the production cost of the product.

The waterproof ventilation valve further comprises a gasket 4 and a fastening ring 5, the gasket 4 is connected with the ventilation film 3, the fastening ring 5 is connected with the gasket 4, the gasket 4 is arranged below the ventilation film 3, and the fastening ring 5 is arranged below the gasket 4. Optionally, the fastening ring 5 is fixedly connected to the valve body space 121. The fastening ring 5 compresses the gasket 4, and the gasket 4 compresses the breathable film 3. The gasket 4 is made of an elastic material. Preferably, the outer diameter of the gasket 4 may be slightly smaller than the inner diameter of the valve body cavity 121, so that after the gasket is compressed, the outer side wall of the gasket 4 may be tightly connected with the inner side wall of the valve body cavity 121, thereby further improving the sealing performance of the product.

The outer diameter of the gasket 4 is larger than the inner diameter of the bonnet cavity 111, and the outer diameter of the fastening ring 5 may also be larger than the inner diameter of the bonnet cavity 111. The outer diameter of the washer 4 is smaller than the inner diameter of the valve body chamber 121, and the outer diameter of the fastening ring 5 is also smaller than the inner diameter of the valve body chamber 121. The outer diameter of the fastening ring 5 is larger than the inner diameter of the gasket 4.

Still be equipped with ring channel 122 and jump ring 6 on the ventilative valve body 12, ring channel 122 sets up the lower extreme of ventilative valve body 12, ring channel 122 is used for holding jump ring 6. The clamp spring 6 is matched with the annular groove 122, the clamp spring 6 is connected with the annular groove 122, and the clamp spring 6 is used for propping against the fastening ring 5. The jump ring 6 makes this product can dismantle, uses the back for a long time at the product, and there is dust or other debris on the ventilated membrane 3 surface to influence the normal use of product when piling up, and this design can make things convenient for ventilated membrane 3 to dismantle, the maintenance of being convenient for. And the fixed mode of crimping can not influence the crimping performance of product because of the change of environment and live time for this product is more reliable and more stable when using.

During installation, the breathable film 3, the gasket 4 and the fastening ring 5 are sequentially installed in the valve body cavity 121, and then the clamp spring 6 is pressed into the annular groove 122, as shown in fig. 4, so that the clamp spring 6 presses the fastening ring 5, the breathable film 3 is tightly attached to the upper portion of the valve body cavity 121, and the sealing performance of a product is enhanced. And be provided with gasket 4, possess certain shock-absorbing capacity for the ventilated membrane 3 with the connection of valve body chamber 121 is inseparabler, and has reduced the influence of external factors such as vibrations, has prolonged the life of product, makes the product more reliable and more stable when using.

The ventilation valve body 12 is further provided with threads, and the threads are external threads.

The ventilation valve is characterized in that an O-shaped ring 2 is further arranged on the ventilation valve body, the O-shaped ring 2 is sleeved on the outer side of the ventilation valve body 12, and the ventilation valve body can be connected with equipment more tightly through the O-shaped ring 2.

The utility model provides a waterproof breather valve can improve waterproof breather valve's reliability, reduces breather valve's manufacturing cost, and simple structure, convenient to use, the reliability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The waterproof ventilation valve is characterized by comprising a ventilation valve main body, wherein the ventilation valve main body comprises a ventilation valve cover and a ventilation valve body, the ventilation valve cover is connected with the ventilation valve body, a valve cover cavity is arranged in the ventilation valve cover, a valve body cavity is arranged in the ventilation valve body, the inner diameter of the valve cover cavity is smaller than that of the valve body cavity, the waterproof ventilation valve further comprises a ventilation film, the ventilation film is connected with the ventilation valve main body, the ventilation film is arranged in the ventilation valve main body, the ventilation film is connected with the inner wall of the valve body cavity, the diameter of the ventilation film is larger than that of the valve cover cavity, and the ventilation valve cover and the ventilation valve body are of an integrated structure.

2. The waterproof breather valve of claim 1, wherein the breather valve cover further comprises at least one breather hole.

3. The waterproof breather valve of claim 2, wherein the breather valve body is further provided with an O-ring, and the O-ring is sleeved on the outer side of the breather valve body.

4. The waterproof breather valve of claim 2, further comprising a gasket connected to the breathable membrane and a fastening ring connected to the gasket, wherein the gasket is disposed below the breathable membrane and the fastening ring is disposed below the gasket.

5. The waterproof vent valve of claim 4, wherein the gasket has an outer diameter greater than an inner diameter of the bonnet cavity.

6. The waterproof breather valve of claim 5, wherein the gasket has an outer diameter that is less than an inner diameter of the valve body cavity, and the gripping ring has an outer diameter that is also less than the inner diameter of the valve body cavity.

7. The waterproof breather valve of claim 6, wherein the outer diameter of the retaining ring is greater than the inner diameter of the gasket.

8. The waterproof breather valve of any of claims 1-7, wherein the breather valve body is further provided with an annular groove for receiving a snap spring.

9. The waterproof vent valve of claim 8, further comprising a snap spring, wherein the snap spring is engaged with the annular groove, the snap spring is connected with the annular groove, and the snap spring is used for abutting against the fastening ring.

10. The waterproof vent valve of claim 9, wherein the vent valve body is further provided with threads, and the threads are external threads.