CN214618115U

CN214618115U - Float air permeable valve

Info

Publication number: CN214618115U
Application number: CN202120352303.5U
Authority: CN
Inventors: 郑子胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-05
Anticipated expiration: 2031-02-08

Abstract

The utility model relates to the technical field of vent valves, in particular to a float vent valve, wherein a one-way valve is sealed on the cup mouth of a base; the floating ball can rise under the action of buoyancy and is sealed on the air inlet cylinder of the one-way valve; the bottom of the base is provided with an air inlet. When the utility model is used, the ventilation valve has simple structure and convenient use.

Description

Float air permeable valve

Technical Field

The utility model relates to a ventilation valve technical field, in particular to float ventilation valve.

Background

The ventilation valve is needed to be used in a container with high sealing requirement, the ventilation valve can balance the internal pressure and the external pressure, and meanwhile, the waterproof ventilation valve can keep a good ventilation state. The existing vent valve has the advantages that the air inlet hole is sealed by the plug body pushed by the spring, the waterproof sealing effect is achieved, when the internal pressure of the box body is increased, the internal gas overcomes the resistance of the spring to push the plug body away, the air is exhausted, the air pressure balance purpose is achieved, when the container is filled with liquid, the plug body is pushed away due to the buoyancy effect, the plug is plugged on the air exhaust hole, and the structure of the vent valve is complex. Since the plug body can be easily pushed, the resistance of the spring is relatively small, and the sensitivity is high. If the liquid is stuck on the plug body due to high liquid viscosity, the plug body is easy to adhere and fix on the exhaust hole to cause blocking, and the liquid in the box body cannot be discharged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a float ventilation valve aiming at the defects and shortcomings of the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model relates to a float vent valve, which comprises a cup-shaped base and a floating ball arranged inside the base; a one-way valve is sealed on the cup mouth of the base; the floating ball can rise under the action of buoyancy and is sealed on the air inlet cylinder of the one-way valve; the bottom of the base is provided with an air inlet.

Further, the one-way valve is made of elastic materials; a reducing nozzle is arranged at one end of the air inlet cylinder body, which is far away from the floating ball; the tail end of the reducing nozzle is provided with two blades which are mutually attached; a gap communicated with the reducing nozzle is formed between the two blades.

Further, the quantity of floater is at least one.

Furthermore, the number of the floating balls is two; the floating balls are arranged on the base along the height direction; one floating ball close to the one-way valve is a floating ball, and the floating ball below the upper floating ball is a lower floating ball; the weight of the upper floating ball is greater than that of the lower floating ball.

Furthermore, an upper cover is fixed on the cup mouth of the base; the one-way valve is arranged inside the upper cover; the upper cover is provided with upper cover air holes.

Furthermore, a concave ring is arranged on the inner side wall of the base; the concave ring is provided with a ring internal thread; the outer side wall of the upper cover is provided with an external thread matched with the internal thread of the ring; the inner thread and the outer thread are in threaded connection; the outer side wall of the air inlet cylinder is provided with a pressure ring; the upper cover compresses the pressure ring on the bottom end face of the concave ring.

Further, an inner cup body is arranged inside the base; the side wall of the inner cup body is provided with air holes; the floating ball is arranged inside the inner cup body; the outer side wall of the inner cup body is provided with a convex ring; the upper cover compresses the convex ring and the pressing ring on the bottom end face of the concave ring.

Further, the radius of the reducing nozzle is gradually reduced along with the approaching of one end of the air inlet cylinder body.

Further, the distance between the left side and the right side of the necking mouth is gradually reduced; the left and right side walls of the reducing nozzle are converged at the blade.

Further, the elastic material is silicon rubber.

After the structure is adopted, the utility model discloses beneficial effect does: the utility model relates to a float vent valve, a one-way valve is sealed on the cup mouth of a base; the floating ball can rise under the action of buoyancy and is sealed on the air inlet cylinder of the one-way valve; the bottom of the base is provided with an air inlet. When the liquid inlet device is used, in the liquid inlet process of the container, the gas in the container needs to be discharged, the gas in the container is discharged from the one-way valve after entering from the air inlet, and the one-way valve prevents external gas or liquid from entering the container through the base; when the container is filled with liquid, the liquid enters the interior of the base from the air inlet, and the floating ball floating on the liquid surface is lifted along with the rise of the liquid height until the floating ball seals the air inlet cylinder, namely the air exhaust channel is sealed, the external liquid or gas cannot enter the container, and the liquid cannot be discharged from the inlet of the container; the ventilation valve is simple in structure and convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

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

FIG. 3 is a first schematic view of the check valve;

FIG. 4 is a second structural schematic of the check valve;

FIG. 5 is a perspective view of a second construction of the check valve;

description of reference numerals:

1. an upper cover; 101. covering air holes on the upper cover; 102. an external thread; 2. a one-way valve; 201. pressing a ring;

202. an air inlet cylinder; 203. a blade; 204. reducing the nozzle; 3. a floating ball; 4. a base; 401. a concave ring;

401a, internal threads; 402. an air inlet; 5. an inner cup body; 501. air holes are formed; 502. a convex ring;

A. a gap.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 5, the float vent valve of the present invention comprises a base 4 in the shape of a cup and a floating ball 3 disposed inside the base 4; a one-way valve 2 is sealed on the cup mouth of the base 4; the floating ball 3 can rise under the action of buoyancy and is sealed on the air inlet cylinder 202 of the one-way valve 2; the bottom of the base 4 is provided with an air inlet 402; the diameter of the inner hole of the air inlet cylinder 202 is smaller than that of the floating ball 3; in the liquid inlet process of the container, gas in the container needs to be discharged, the gas in the container is discharged from the one-way valve 2 after entering from the gas inlet 402, and the one-way valve 2 prevents external gas or liquid from entering the container through the base 4; when the container is filled with liquid, the liquid enters the inside of the base 4 from the air inlet 402, and as the liquid level rises, the floating ball 3 floating on the liquid surface is also lifted until the air inlet cylinder 202 is sealed by the floating ball 3, which is equivalent to sealing the air exhaust channel, so that the external liquid or gas cannot enter the container, and the liquid cannot be discharged from the inlet of the container; the ventilation valve is simple in structure and convenient to use.

As a preferred mode of the present invention, the check valve 2 is made of an elastic material; a reducing nozzle 204 is arranged at one end of the air inlet cylinder 202 far away from the floating ball 3; the tail end of the reducing nozzle 204 is provided with two blades 203 which are mutually attached; a gap A communicated with the reducing nozzle 204 is formed between the two blades 203;

when the internal air pressure of the base 4 is increased, the air pushes the two blades 203 to be separated by a certain distance, and the gap A is enlarged, so that the air in the air inlet cylinder 202 is discharged through a channel formed by the two blades 203 after being opened; silicon rubber is used as the one-way valve 2, when the external air is consistent with the internal air of the container, the two blades 203 are mutually attached to seal the gap A due to the elasticity of the blades, and external pollutants are prevented from entering the one-way valve 2.

As a preferred mode of the present invention, the number of the floating balls 3 is at least one.

As a preferred mode of the present invention, the number of the floating balls 3 is two; the floating balls 3 are arranged on the base 4 along the height direction; a floating ball 3 close to the one-way valve 2 is an upper floating ball, and a floating ball 3 below the upper floating ball is a lower floating ball; the weight of the upper floating ball is greater than that of the lower floating ball; when in design, the weight of the upper floating ball is larger than that of the lower floating ball, so that the floating ball is prevented from being adhered to the air inlet cylinder 202, the upper floating ball is ensured to have enough gravity to overcome the adsorption force of the upper floating ball adhered to the air inlet cylinder 202, and the upper floating ball is easier to peel off the air inlet cylinder 202.

As a preferable mode of the utility model, the upper cover 1 is fixed on the cup mouth of the base 4; the one-way valve 2 is arranged inside the upper cover 1; an upper cover air hole 101 is formed in the upper cover 1; the upper cover 1 serves to protect the check valve 2 made of an elastic material from deformation due to external impact.

As a preferable mode of the present invention, the inner side wall of the base 4 is provided with a concave ring 401; the concave ring 401 is provided with an internal thread 401 a; the outer side wall of the upper cover 1 is provided with an external thread 102 matched with the internal thread 401a of the ring; the inner thread 401a is in threaded connection with the outer thread 102; the outer side wall of the air inlet cylinder 202 is provided with a press ring 201; the upper cover 1 compresses the pressing ring 201 on the bottom end face of the concave ring 401; the upper cover 1 is fixed with the base 4 in a threaded connection mode, the check valve 2 is pressed tightly, and the assembly structure of the whole air vent valve is simpler.

As a preferred mode of the utility model, an inner cup body 5 is arranged inside the base 4; the side wall of the inner cup body 5 is provided with an air hole 501; the floating ball 3 is arranged inside the inner cup body 5; the outer side wall of the inner cup body 5 is provided with a convex ring 502; the upper cover 1 presses the convex ring 502 and the pressing ring 201 on the bottom end face of the concave ring 401; the air holes 501 of the inner cup body 5 are arranged on the side wall, so that the floating ball 3 is prevented from being pushed upwards by air entering from the air inlet 402, and the floating ball 3 is prevented from blocking the one-way valve 2 in the container feeding process.

As shown in fig. 3, as a preferred embodiment of the present invention, the radius of the reducing nozzle 204 gradually decreases as it approaches the end of the air intake cylinder 202.

As shown in fig. 4 to 5, as a preferred embodiment of the present invention, the distance between the left and right sides of the reducing nozzle 204 gradually decreases; the left and right side walls of the choke 204 meet at the vane 203.

As a preferable mode of the present invention, the elastic material is silicone rubber.

When the liquid inlet device is used, in the liquid inlet process of the container, the gas in the container needs to be discharged, and the gas in the container enters from the air inlet and is discharged outside after sequentially passing through the air holes, the air inlet cylinder, the nozzle and the gap; in the liquid inlet process of the container, the air pressure in the base is increased, the gas pushes the two blades to be separated for a certain distance, and the gap is enlarged, so that the gas in the gas inlet cylinder is discharged through a channel formed after the two blades are opened; the one-way valve prevents external gas or liquid from entering the container through the base; when the external air is consistent with the internal air of the container, the two blades are mutually attached to seal the gap due to the elasticity of the two blades, so that external pollutants are prevented from entering the one-way valve; the weight of the upper floating ball is greater than that of the lower floating ball, so that the floating ball is prevented from being adhered to the air inlet cylinder, sufficient gravity of the upper floating ball is ensured to overcome the adsorption force of the upper floating ball adhered to the air inlet cylinder, and the upper floating ball is easier to strip off the air inlet cylinder; the upper cover is used for protecting the one-way valve made of elastic materials and preventing the one-way valve from being deformed by external impact; the upper cover is fixed with the base in a threaded connection mode, the one-way valve and the inner cup body are pressed tightly, and the assembly structure of the whole air vent valve is simpler; the air holes of the inner cup body are arranged on the side wall, so that the floating ball is prevented from being pushed upwards by air entering from the air inlet hole, and the floating ball is prevented from blocking the one-way valve in the feeding process of the container; when the container is filled with liquid, the liquid enters the interior of the base from the air inlet, and the floating ball floating on the liquid surface is lifted along with the rise of the liquid height until the air inlet cylinder is sealed by the upper floating ball, which is equivalent to sealing the air exhaust channel, so that the external liquid or gas cannot enter the container, and the liquid cannot be discharged from the inlet of the container; the ventilation valve is simple in structure and convenient to use.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A float vent valve, comprising: the cup-shaped floating ball type water cup comprises a cup-shaped base (4) and a floating ball (3) arranged inside the base (4); a one-way valve (2) is sealed on the cup mouth of the base (4); the floating ball (3) can rise under the action of buoyancy and is sealed on the air inlet cylinder body (202) of the one-way valve (2); the bottom of the base (4) is provided with an air inlet hole (402).

2. A float vent valve as claimed in claim 1, wherein: the one-way valve (2) is made of elastic material; a reducing nozzle (204) is arranged at one end of the air inlet cylinder body (202) far away from the floating ball (3); the tail end of the reducing nozzle (204) is provided with two blades (203) which are mutually attached; a gap (A) communicated with the reducing nozzle (204) is formed between the two blades (203).

3. A float vent valve as claimed in claim 1, wherein: the number of the floating balls (3) is at least one.

4. A float vent valve as claimed in claim 3, wherein: the number of the floating balls (3) is two; the floating balls (3) are arranged on the base (4) along the height direction; a floating ball (3) close to the one-way valve (2) is an upper floating ball, and a floating ball (3) below the upper floating ball is a lower floating ball; the weight of the upper floating ball is greater than that of the lower floating ball.

5. A float vent valve as claimed in claim 2, wherein: an upper cover (1) is fixed on the cup mouth of the base (4); the one-way valve (2) is arranged inside the upper cover (1); an upper cover air hole (101) is formed in the upper cover (1).

6. A float vent valve according to claim 5, wherein: a concave ring (401) is arranged on the inner side wall of the base (4); the concave ring (401) is provided with an internal thread (401 a); the outer side wall of the upper cover (1) is provided with an external thread (102) matched with the internal thread (401 a); the inner thread (401 a) is in threaded connection with the outer thread (102); the outer side wall of the air inlet cylinder (202) is provided with a pressure ring (201); the upper cover (1) compresses the pressing ring (201) on the bottom end face of the concave ring (401).

7. A float vent valve according to claim 6, wherein: an inner cup body (5) is arranged inside the base (4); the side wall of the inner cup body (5) is provided with air holes (501); the floating ball (3) is arranged inside the inner cup body (5); the outer side wall of the inner cup body (5) is provided with a convex ring (502); the upper cover (1) presses the convex ring (502) and the pressing ring (201) on the bottom end face of the concave ring (401).

8. A float vent valve as claimed in claim 2, wherein: the radius of the reducing nozzle (204) is gradually reduced along with the approaching of one end of the air inlet cylinder body (202).

9. A float vent valve as claimed in claim 2, wherein: the distance between the left side and the right side of the necking nozzle (204) is gradually reduced; the left and right side walls of the reducing nozzle (204) are converged at the blade (203).

10. A float vent valve as claimed in claim 2, wherein: the elastic material is silicon rubber.