Dustproof impact-resistant breather valve

Abstract

The utility model discloses a dustproof impact-resistant ventilation valve which comprises a valve body, a valve core, a valve core, a valve core, a valve core, a valve core, a valve core, a valve core, a valve core and a valve core, and is characterized in that the valve core is provided with a ventilation hole; the waterproof breathable film is arranged at the upper end of the valve body and covers the breathable hole; the dustproof impact-resistant cover is arranged at the upper end of the valve body and covers the waterproof breathable film; the lower end of the dustproof impact-resistant cover is provided with a barrel extending downwards, the barrel covers the periphery of the upper end of the valve body and covers the ventilation groove, a ventilation interval communicated with the ventilation groove is formed between the inner wall of the barrel and the periphery of the valve body, and an opening of the ventilation interval faces downwards, so that the ventilation groove is prevented from being directly exposed to the outside. When foreign matters such as dust or gravel collide with the ventilation valve at a high speed, the foreign matters can be blocked by the dustproof impact-resistant cover and the barrel body at the lower end of the dustproof impact-resistant cover and cannot directly enter the ventilation groove to impact the waterproof ventilation film, so that the waterproof ventilation film is prevented from being damaged; therefore, the purpose of preventing foreign matters such as dust or gravels from impacting the waterproof breathable film is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breathable valve product technical field especially direct to a dustproof impact resistance breathable valve. BACKGROUND

[0002] The waterproof breathable valve is mainly used in the fields of automobile, communication base station and outdoor lamp, and is used for keeping the air pressure inside and outside the equipment relatively consistent to avoid the influence of high pressure or low pressure on the performance of components and elements caused by temperature difference and the like. In addition, the waterproof breathable film in the waterproof breathable valve has waterproof isolation effect and can block water, dust and the like, so as to keep the equipment inside dry and clean on the basis of keeping the air pressure inside and outside the equipment relatively stable.

[0003] The utility model discloses a waterproof breathable valve, it includes a columnar valve body, the inside of valve body is in the middle, its outer wall is equipped with the first thread, top is equipped with a protective cover, the lateral wall of protective cover is equipped with a plurality of through -hole that communicates valve body inside, the inside of valve body is fixed and is laid with waterproof breathable film, waterproof breathable film is fixed in the top of valve body through telescopic ring, still include a waterproof ring that sets up on valve body. The utility model discloses a waterproof breathable film is set up in the valve body, gas circulation can prevent the penetration of water from happening, can effectively prevent water vapor from entering the inside of valve body, thereby make waterproof breathable valve (respirator) reach waterproof breathable effect, always keep good gas exchange, balance the pressure difference inside and outside the lamp body.

[0004] However, the lateral wall of the protective cover is provided with a plurality of through holes communicating with the inside of the valve body, the through holes are horizontally straight through the outer side of the waterproof breathable valve and are exposed on the outer side of the waterproof breathable valve, therefore, the waterproof breathable film inside can be directly seen through the through holes, if dust or sand and other foreign matters hit this position at high speed, the waterproof breathable film can be easily punctured and the whole product can be failed due to water leakage.

[0005] Therefore, the present inventors propose the following technical scheme. UTILITY MODEL CONTENTS

[0006] The utility model discloses a waterproof breathable valve, it includes a columnar valve body, the inside of valve body is in the middle, its outer wall is equipped with the first thread, top is equipped with a protective cover, the lateral wall of protective cover is equipped with a plurality of through -hole that communicates valve body inside, the inside of valve body is fixed and is laid with waterproof breathable film, waterproof breathable film is fixed in the top of valve body through telescopic ring, still include a waterproof ring that sets up on valve body. The utility model discloses a waterproof breathable film is set up in the valve body, gas circulation can prevent the penetration of water from happening, can effectively prevent water vapor from entering the inside of valve body, thereby make waterproof breathable valve (respirator) reach waterproof breathable effect, always keep good gas exchange, balance the pressure difference inside and outside the lamp body.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme: the dustproof anti-impact breather valve includes: the valve body is equipped with the through and through upper and lower end's breather hole, the valve body upper end is provided with the breather groove that communicates breather hole, waterproof breather membrane, it is set up in the valve body upper end and covers breather hole, dustproof anti-impact cover, it is set up in the valve body upper end and covers and is covered in waterproof breather membrane top to protect waterproof breather membrane, the dustproof anti-impact cover lower end has the cylinder that extends downward, the cylinder covers in the valve body upper end periphery, and covers the breather groove, and the cylinder inner wall and valve body periphery form the breather interval that communicates breather groove, the opening of this breather interval faces down.

[0008] Further, in the above technical solution, the breather interval is distributed in a vertical direction, and the breather interval communicates with the breather groove to form a breather passage with at least a 90-degree turn.

[0009] Further, in the above technical solution, the dustproof anti-impact cover has a boss inside, which is located at the upper end of the cylinder; the valve body upper end periphery is provided with a stepped groove, which communicates with the breather groove and is lower than the bottom surface of the breather groove; the boss abuts on the stepped groove, and forms a turn interval, which communicates with the breather interval and is part of the breather passage.

[0010] Further, in the above technical solution, the turn interval has a turn angle greater than or equal to 90 degrees.

[0011] Further, in the above technical solution, the valve body upper end is also formed with an upwardly protruding positioning pillar; the dustproof anti-impact cover is provided with a positioning groove, and the positioning pillar is embedded in the positioning groove to form positioning; the breather groove is formed between at least two positioning pillars.

[0012] Further, in the above technical solution, the dustproof anti-impact cover and the valve body are fixed by heat welding or hot rivet welding, or are fixed by ultrasonic welding or adhesive.

[0013] Further, in the above technical solution, the upper end of the positioning pillar is also formed with a hot rivet column, which is hot riveted in the hot rivet groove on the upper end of the dustproof anti-impact cover after passing through the rivet hole of the dustproof anti-impact cover.

[0014] Further, in the above technical solution, the dustproof anti-impact cover upper end is provided with a hexagonal convex part.

[0015] Further, in the above technical solution, the valve body is provided with a plurality of supports in the breather hole, and the waterproof breather membrane is also fixed on the upper end surface of the supports.

[0016] Further, in the technical scheme, the lower end of the valve body has a threaded column; a groove is concavely arranged at the connecting position of the lower end of the valve body and the threaded column, a sealing ring is arranged in the groove, and the lower end of the sealing ring further protrudes out of the groove; a first protrusion and a second protrusion are respectively formed on the inner side and the outer side of the sealing ring, and the first protrusion and the second protrusion are respectively in contact with the inner walls of the two sides of the groove and are clamped and positioned.

[0017] After the technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art: because the cylinder of the dustproof and impact-resistant cover is covered on the outer periphery of the upper end of the valve body and covers the air permeation groove, the air permeation groove is prevented from being directly exposed to the outside, so that the outside cannot directly see the waterproof and air permeation membrane inside through the air permeation groove. When dust or sand and other foreign matters impact the air permeation valve at high speed, the dustproof and impact-resistant cover and the cylinder at the lower end of the dustproof and impact-resistant cover can block the dust or sand and other foreign matters, so that the dustproof and impact-resistant cover and the cylinder cannot directly enter the air permeation groove and impact the waterproof and air permeation membrane. Therefore, the dustproof and impact-resistant cover and the cylinder can prevent the dust or sand and other foreign matters from impacting the waterproof and air permeation membrane, effectively protect the waterproof and air permeation membrane, and improve the service life of the entire air permeation valve. Meanwhile, the dust can be effectively prevented from accumulating on the valve body, and the gas can be discharged downward through the air permeation hole, the waterproof and air permeation membrane, the air permeation groove and the air permeation interval, so that the purpose of air permeation pressure difference balance is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a perspective view of the utility model from another angle;

[0020] Figure 3 is an exploded view of the utility model;

[0021] Figure 4 is a sectional view of the utility model;

[0022] Figure 5 is a sectional view of the utility model from another angle;

[0023] Figure 6 is a perspective view of the dustproof and impact-resistant cover in the utility model. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with specific embodiments and drawings.

[0025] See Figures 1-6 , which is a dustproof and impact-resistant air permeation valve, which comprises a valve body 1, a waterproof and air permeation membrane 2 and a dustproof and impact-resistant cover 3.

[0026] The valve body 1 is provided with a through hole 11 penetrating through the upper and lower ends, and the valve body 1 is provided with a gas permeation groove 12 communicating with the through hole 11; the waterproof and gas permeable film 2 is arranged on the upper end of the valve body 1 and covers the through hole 11; the waterproof and gas permeable film 2 has the characteristics of waterproof and gas permeability, and is a conventional technical product in the field, which can prevent water vapor from entering the through hole 11 of the valve body 1, and achieve the function of waterproof and gas permeability. The dustproof and impact-resistant cover 3 is arranged on the upper end of the valve body 1 and covers the waterproof and gas permeable film 2 to protect the waterproof and gas permeable film 2, thereby achieving the purpose of protecting the waterproof and gas permeable film 2, which can avoid direct contact or impact of foreign matters on the waterproof and gas permeable film 2, prevent the waterproof and gas permeable film 2 from being damaged and causing the waterproof and gas permeability function of the product to fail, and thereby improve the service life of the product.

[0027] The valve body 1 is provided with a plurality of supports 111 in the through hole 11, and the waterproof and gas permeable film 2 is also fixed on the upper end face of the support 111 and is stably supported and positioned by the support 111, that is, the waterproof and gas permeable film can be effectively supported to prevent excessive deformation and damage. The number and thickness of the supports are designed as required, for example, the number of supports is large, the support strength is enhanced, the number of supports is small, the cross-sectional area of the through hole 11 is large, and the gas permeation effect is better. The thickness of the support can be thin or thick, thin to save material, and thick to improve the strength of the lower threaded column 15. In the embodiment, the number of supports is three.

[0028] The lower end of the valve body 1 has a threaded column 15 for connecting with a threaded hole of equipment, forming stable assembly, and being more convenient to disassemble and assemble; the connecting part of the lower end of the valve body 1 and the threaded column 15 is recessed with a groove 16, the groove 16 is provided with a sealing ring 4, the lower end of the sealing ring 4 protrudes out of the groove 16, which is used for contacting with equipment, thereby forming sealed assembly; the inner side and the outer side of the sealing ring 4 are respectively formed with a first protrusion 41 and a second protrusion 42, the first protrusion 41 and the second protrusion 42 are respectively in contact with the inner walls of the two sides of the groove 16 and are clamped and positioned, the assembly structure is more stable, and the effective anti-disengagement function can be achieved, that is, the sealing ring 4 is prevented from being accidentally disengaged from the groove 16.

[0029] The greatest improvement of the utility model is as follows:

[0030] The dustproof and impact-resistant cover 3 has a downwardly extending barrel 31 which covers the upper end of the valve body 1 and covers the air passage 12. The inner wall of the barrel 31 and the outer wall of the valve body 1 form an air passage interval 301 which is in communication with the air passage 12. The opening of the air passage interval 301 faces downward. Since the barrel 31 of the lower end of the dustproof and impact-resistant cover 3 covers the upper end of the valve body 1 and covers the air passage 12, the air passage 12 is not directly exposed to the outside, so that the outside cannot directly see the waterproof and air permeable film inside through the air passage 12. When dust or sand and other foreign matters hit the air valve at high speed, they are blocked by the dustproof and impact-resistant cover 3 and the barrel 31 of the lower end, and cannot directly enter the air passage 12, thereby impacting the waterproof and air permeable film 2. The purpose of avoiding dust or sand and other foreign matters from impacting the waterproof and air permeable film is achieved, thereby effectively protecting the waterproof and air permeable film and improving the service life of the entire air valve. At the same time, dust can also be effectively prevented from accumulating on the valve body, and gas can also be discharged downward from the air valve through the air hole 11, the waterproof and air permeable film 2, the air passage 12 and the air passage interval 301, thereby achieving the purpose of air permeation pressure difference.

[0031] In the embodiment, the air passage interval 301 is distributed in a vertical direction and is in communication with the air passage 12 to form an air passage channel which is at least 90 degrees. Since the air passage channel is at least 90 degrees, it can have a better blocking effect. Even if dust and other foreign matters enter from the opening of the air passage interval 301, they will be blocked when passing through the air passage channel which is at least 90 degrees. To some extent, dust and other foreign matters are prevented from entering the air passage 12, which can achieve a certain protection effect. At the same time, it can also achieve a better effect of preventing dust accumulation.

[0032] Specifically, the dustproof and impact-resistant cover 3 is provided with a boss 32 which is located on the upper end of the barrel 31. The valve body 1 is provided with a stepped groove 13 on the outer wall of the upper end, which is in communication with the air passage 12 and is lower than the bottom surface of the air passage 12. The boss 32 abuts against the stepped groove 13 and forms a turning interval 320 which is in communication with the air passage interval 301 and is part of the air passage channel. The turning interval 320 and the air passage interval 301 form a right angle or a similar right angle, which can further improve the blocking effect.

[0033] The turning angle of the turning interval 320 is greater than or equal to 90 degrees. In the embodiment, the turning angle of the turning interval 320 is equal to 90 degrees.

[0034] Of course, in some embodiments, the air passage interval 301 is distributed in a vertical direction and is inclined. The air passage interval 301 is in communication with the air passage 12 and can also form an air passage channel which is at least 90 degrees. It can achieve the same technical effect and will not be described here.

[0035] The upper end of the valve body 1 is further formed with an upwardly protruding positioning pillar 14; the dustproof and impact-resistant cover 3 is provided with a positioning groove 33, and the positioning pillar 14 is embedded in the positioning groove 33 to form positioning, thereby ensuring that the dustproof and impact-resistant cover 3 can be positioned more stably on the valve body 1, which can increase the strength of the assembly structure of the dustproof and impact-resistant cover 3 and the valve body 1, thereby improving the service life and quality of the product.

[0036] The at least two positioning pillars 14 form the air-permeable grooves 12, and in this embodiment, the number of the positioning pillars 14 is six, and the number of the air-permeable grooves 12 formed is also six, which are evenly distributed in a circle.

[0037] The positioning pillar 14 is non-circular.

[0038] The dustproof and impact-resistant cover 3 and the valve body 1 are fixed by thermal welding or thermal rivet welding, or are fixed by ultrasonic welding or gluing. In this embodiment, as a preferred embodiment, the dustproof and impact-resistant cover 3 and the valve body 1 are fixed by thermal rivet welding.

[0039] Specifically, the upper end of the positioning pillar 14 is further formed with a thermal rivet column 141, which is fixed by thermal riveting in a thermal rivet groove 35 at the upper end of the dustproof and impact-resistant cover 3 after passing through a rivet hole 34 of the dustproof and impact-resistant cover 3, thereby forming a stable assembly structure.

[0040] The upper end of the dustproof and impact-resistant cover 3 is provided with a hexagonal protrusion 36. By sleeving a hexagonal sleeve outside the hexagonal protrusion 36, a torsional force can be applied to tighten the air-permeable valve, which is convenient to operate and use.

[0041] The lower end of the cylinder body 31 is higher than the end face of the valve body 1 provided with the groove.

[0042] As described above, since the cylinder body 31 at the lower end of the dustproof and impact-resistant cover 3 covers the outer periphery of the upper end of the valve body 1 and covers the air-permeable groove 12, the air-permeable groove 12 is not directly exposed to the outside, so that the outside cannot directly see the waterproof and air-permeable film inside through the air-permeable groove 12. When dust or sand and other foreign matters impact the air-permeable valve at high speed, they will be blocked by the dustproof and impact-resistant cover 3 and the cylinder body 31 at the lower end thereof, and cannot directly enter the air-permeable groove 12, thereby impacting the waterproof and air-permeable film 2, so as to avoid the dust or sand and other foreign matters from impacting the waterproof and air-permeable film, thereby effectively protecting the waterproof and air-permeable film and improving the service life of the entire air-permeable valve. At the same time, dust can also be effectively prevented from accumulating on the valve body, and gas can also be discharged downward from the air-permeable valve through the air-permeable hole 11, the waterproof and air-permeable film 2, the air-permeable groove 12, and the air-permeable interval 301, thereby achieving the purpose of air-permeable pressure difference balance.

[0043] Of course, the above only the specific embodiments of the present application, not to limit the scope of the present application, all equivalent changes or modifications made in accordance with the principles of the present application described in the scope of the present application, should be included in the scope of the present application.

Claims

1. A dustproof and impact-resistant ventilated valve, comprising: The valve body (1) is provided with a vent hole (11) that runs through the upper and lower ends, and a vent groove (12) that connects the vent hole (11) is provided at the upper end of the valve body (1). A waterproof and breathable membrane (2) is provided on the upper end of the valve body (1) and covers the vent (11); A dustproof and impact-resistant cover (3) is provided on the upper end of the valve body (1) and covers the waterproof and breathable membrane (2) to protect the waterproof and breathable membrane (2); The feature is that: the lower end of the dustproof and impact-resistant cover (3) has a downwardly extending cylindrical body (31), which covers the upper periphery of the valve body (1) and blocks the venting groove (12), and the inner wall of the cylindrical body (31) and the periphery of the valve body (1) form a venting gap (301) that communicates with the venting groove (12), and the opening of the venting gap (301) faces downward.

2. The dustproof and impact-resistant breathable valve according to claim 1, characterized in that: The air-permeable gaps (301) are distributed vertically and are connected to the air-permeable grooves (12) to form an air-permeable channel with a bend of at least 90 degrees.

3. The dustproof and impact-resistant breathable valve according to claim 2, characterized in that: The dustproof and impact-resistant cover (3) has a boss (32) on its inner side, which is located at the upper end of the cylinder (31); the valve body (1) has a stepped groove (13) on its upper periphery, which is connected to the venting groove (12) and is lower than the bottom surface of the venting groove (12); the boss (32) abuts against the stepped groove (13) and forms a turning interval (320), which is connected to the venting interval (301) and serves as part of the venting channel.

4. The dustproof and impact-resistant breathable valve according to claim 3, characterized in that: The turning angle of the turning interval (320) is greater than or equal to 90 degrees.

5. The dustproof and impact-resistant breathable valve according to any one of claims 1-4, characterized in that: The valve body (1) is also formed with an upwardly protruding positioning support (14) at the upper end; the dustproof and impact-resistant cover (3) is provided with a positioning groove (33), and the positioning support (14) is embedded in the positioning groove (33) to form a positioning; the ventilation groove (12) is formed between at least two positioning supports (14).

6. The dustproof and impact-resistant breathable valve according to claim 5, characterized in that: The dustproof and impact-resistant cover (3) is fixed to the valve body (1) by hot welding or hot riveting, or by ultrasonic welding or adhesive bonding.

7. The dustproof and impact-resistant breathable valve according to claim 6, characterized in that: The upper end of the positioning support (14) is also formed with a hot riveting column (141), which passes through the rivet hole (34) of the dustproof and impact-resistant cover (3) and is then hot riveted and fixed in the hot riveting groove (35) at the upper end of the dustproof and impact-resistant cover (3).

8. The dustproof and impact-resistant breathable valve according to any one of claims 1-4, characterized in that: The dustproof and impact-resistant cover (3) has a hexagonal protrusion (36) at its upper end.

9. The dustproof and impact-resistant breathable valve according to any one of claims 1-4, characterized in that: The valve body (1) has several supports (111) in the vent hole (11), and the waterproof and breathable membrane (2) is also attached and fixed to the upper end face of the support (111).

10. The dustproof and impact-resistant breathable valve according to any one of claims 1-4, characterized in that: The lower end of the valve body (1) has a threaded post (15); the lower end of the valve body (1) is connected to the threaded post (15) with a groove (16) recessed, and a sealing ring (4) is provided in the groove (16), and the lower end of the sealing ring (4) protrudes out of the groove (16); the inner and outer sides of the sealing ring (4) are respectively formed with a first protrusion (41) and a second protrusion (42), and the first protrusion (41) and the second protrusion (42) respectively contact and hold the inner walls of the two sides of the groove (16).

Images