CN219774920U

CN219774920U - One-way valve

Info

Publication number: CN219774920U
Application number: CN202320880413.8U
Authority: CN
Inventors: 余建春; 李晓武; 吴世书
Original assignee: Benguan Plastic Technology Kunshan Co ltd
Current assignee: Benguan Plastic Technology Kunshan Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-09-29
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to a one-way valve, which comprises a base, wherein a one-way valve insert is detachably fixed in the base, a screw cap is connected to the one-way valve insert in a threaded manner, and an elastic valve assembly is arranged in the one-way valve insert; the elastic valve assembly comprises a thrust piece, a spring and a sealing gasket, wherein the sealing gasket is detachably fixed at one end of the thrust piece, a channel is formed in the one-way valve inner insert, a conical opening is formed in the edge of one end of the channel, a limit step is formed in the conical opening, the sealing gasket is abutted to the cambered surface of the conical opening, the thrust piece is arranged in the channel, the spring is arranged on the outer side of the thrust piece, one end of the spring is abutted to the limit step, and the other end of the spring supports the head of the thrust piece. The screw cap is arranged on the valve mouth, so that the situation of false touch is avoided, meanwhile, the spring is arranged in the valve mouth, the air tightness of the one-way valve is improved, the air inflation and the air deflation are more convenient, and the valve mouth has great economic popularization value.

Description

One-way valve

Technical Field

The utility model relates to the technical field of inflatable products, in particular to a one-way valve.

Background

The one-way valve is commonly called as a one-way valve, wherein fluid can only flow along the water inlet, but the medium at the water outlet cannot flow back. One-way valves are also known as check valves or non-return valves. For preventing reverse flow of oil flow in hydraulic systems or compressed air in pneumatic systems. The one-way valve has two types, namely a straight-through type valve and a right-angle type valve. The straight-through one-way valve is installed on the pipeline in a threaded connection mode. The right-angle one-way valve has three forms of threaded connection, plate connection and flange connection.

In the prior art, one-way valves can be arranged on some inflatable products, so that the one-way inflation of the products is facilitated, and the air leakage of the products can be avoided. However, the existing check valve installed on the inflatable product has low air tightness, and the valve is generally exposed outside, so that the check valve is easily opened due to false touch, thereby causing the phenomenon of air leakage of the inflatable product.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the one-way valve, wherein the screw cover is arranged on the valve mouth, so that the situation of false touch is avoided, meanwhile, the spring is arranged inside the valve, the air tightness of the one-way valve is improved, the air inflation and the air deflation are more convenient, and the valve has great economic popularization value.

The above object of the present utility model is achieved by the following technical solutions:

the one-way valve comprises a base, wherein a one-way valve insert is detachably fixed in the base, a screw cap is connected to the one-way valve insert in a threaded manner, and an elastic valve assembly is arranged in the one-way valve insert;

the elastic valve assembly comprises a thrust piece, a spring and a sealing gasket, wherein the sealing gasket is detachably fixed at one end of the thrust piece, a channel is formed in the check valve inner insert, a conical opening is formed in the edge of one end of the channel, a limiting step is formed in the conical opening, the sealing gasket is abutted to the cambered surface of the conical opening, the thrust piece is arranged in the channel, the spring is installed at the outer side of the thrust piece, one end of the spring is abutted to the limiting step, and the other end of the spring supports the head of the thrust piece.

When inflating, unscrewing the screw cap, pressing the thrust piece, the spring is further compressed and accumulated the elasticity, and the sealing gasket moves downwards and makes the toper mouth opened for the external world is opened with the inside passageway of product, thereby is convenient for inflate in the product. After the inflation is completed, the spring naturally recovers to provide elastic force to drive the thrust piece to recover to the original state, so that the sealing gasket is abutted against the cambered surface of the conical opening, and the air tightness of the one-way valve is further improved. When the product is required to be deflated, the channel can be opened only by slightly pressing the thrust piece, and the air tightness is high. The screw cap is arranged on the valve mouth, so that the situation of false touch is avoided, meanwhile, the spring is arranged in the valve mouth, the air tightness of the one-way valve is improved, the air inflation and the air deflation are more convenient, and the valve mouth has great economic popularization value.

The present utility model may be further configured in a preferred example to: the thrust piece comprises a thrust rod, a cross core and a conical table, wherein the cross core is fixed at one end of the thrust rod, the conical table is fixed at one end of the thrust rod away from the cross core, and the outer diameter of the conical table is smaller than the inner diameter of the spring and the conical opening.

The present utility model may be further configured in a preferred example to: the bottom of the cross core is provided with a notch for installing the spring, and one end of the spring is clamped in the notch.

The present utility model may be further configured in a preferred example to: the outer wall of the conical table is provided with a sealing groove for the sealing gasket to be embedded, and the sealing gasket is embedded in the sealing groove to wrap one end of the conical table.

The present utility model may be further configured in a preferred example to: the sealing gasket is dish-shaped.

The sealing gasket is designed into a disc shape and is wrapped, so that the one-way valve is sealed, and when the sealing gasket is sealed, the sealing gasket is attached to the cambered surface of the conical opening more closely, and the sealing performance is further improved.

The present utility model may be further configured in a preferred example to: the outer wall of the check valve insert is provided with a plurality of limiting rings used for preventing rotation and falling off, and the inner wall of the base is provided with a plurality of limiting grooves corresponding to the limiting rings one by one.

The present utility model may be further configured in a preferred example to: the top fixedly connected with bulge loop of the interior inserts of check valve, install annular sealing pad on the bulge loop, screw cap threaded connection is in when the interior inserts of check valve, annular sealing pad is located the screw cap with between the interior inserts of check valve.

The present utility model may be further configured in a preferred example to: the top of screw cap has seted up the recess, fixedly connected with handle in the recess.

In summary, the present utility model includes at least one of the following beneficial technical effects:

the utility model discloses a one-way valve, which is characterized in that a screw cover is arranged on a valve nozzle, so that the situation of false touch is avoided, meanwhile, a spring is arranged in the valve, the air tightness of the one-way valve is improved, the air inflation and the air deflation are more convenient, and the valve has great economic popularization value.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Reference numerals: 1. a base; 2. a check valve insert; 3. a screw cap; 4. a thrust piece; 5. a spring; 6. a sealing gasket; 7. a channel; 8. a conical mouth; 9. a limit step; 10. a push stop rod; 11. a cross core; 12. a conical table; 13. a notch; 14. sealing grooves; 15. a limiting ring; 16. a limit groove; 17. a convex ring; 18. an annular gasket; 19. a groove; 20. a handle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

referring to fig. 1, a one-way valve disclosed by the utility model comprises a base 1, wherein a one-way valve insert 2 is detachably fixed in the base 1, a screw cap 3 is connected to the one-way valve insert 2 in a threaded manner, and an elastic valve component is arranged in the one-way valve insert 2;

referring to fig. 2, the elastic valve assembly includes a thrust member 4, a spring 5 and a sealing gasket 6, the sealing gasket 6 is detachably fixed at one end of the thrust member 4, a channel 7 is provided in the check valve insert 2, a tapered opening 8 is provided at an edge of one end of the channel 7, a limit step 9 is formed in the tapered opening 8, the sealing gasket 6 is abutted on an arc surface of the tapered opening 8, the thrust member 4 is arranged in the channel 7, the spring 5 is mounted at the outer side of the thrust member 4, one end of the spring 5 is abutted on the limit step 9, and the other end supports a head of the thrust member 4.

Referring to fig. 3, the thrust member 4 includes a thrust rod 10, a cross core 11, and a tapered table 12, the cross core 11 is fixed at one end of the thrust rod 10, the tapered table 12 is fixed at one end of the thrust rod 10 away from the cross core 11, and an outer diameter of the tapered table 12 is smaller than an inner diameter of the spring 5 and the tapered opening 8. The bottom of the cross core 11 is provided with a notch 13 for installing the spring 5, and one end of the spring 5 is clamped in the notch 13.

The outer wall of the conical table 12 is provided with a sealing groove 14 for embedding the sealing gasket 6, and when the sealing gasket 6 is embedded in the sealing groove 14, one end of the conical table 12 is wrapped. The gasket 6 has a disk shape. The sealing gasket 6 is designed into a disc shape and is wrapped, so that the one-way valve is more sealed, and when the sealing is carried out, the sealing gasket 6 in the disc shape is more attached to the cambered surface of the conical opening 8, so that the sealing performance is further improved.

The outer wall of the check valve insert 2 is provided with a plurality of limiting rings 15 for preventing rotation and falling off, and a plurality of limiting grooves 16 corresponding to the limiting rings 15 one by one are formed in the inner wall of the base 1.

Referring to fig. 3, a convex ring 17 is fixedly connected to the top end of the check valve insert 2, an annular sealing gasket 18 is mounted on the convex ring 17, and when the screw cap 3 is in threaded connection with the check valve insert 2, the annular sealing gasket 18 is located between the screw cap 3 and the check valve insert 2. The top of the screw cap 3 is provided with a groove 19, and a handle 20 is fixedly connected in the groove 19.

The implementation principle of the utility model is as follows: the utility model discloses a one-way valve which is used on an inflatable product, and through structural improvement, the improvement is that a spring 5 is arranged inside, so that the product can obtain better sealing performance, and the air blowing and the air discharging are more convenient. When the air inflation is carried out, the screw cover 3 is unscrewed, the thrust piece 4 is pressed, the spring 5 is further compressed to store elastic force, the sealing gasket 6 moves downwards to enable the conical opening 8 to be opened, the outside and the channel 7 inside the product are opened, and therefore the air inflation into the product is facilitated. After the inflation is completed, the spring 5 naturally recovers to provide elastic force to drive the thrust piece 4 to recover to the original state, so that the sealing gasket 6 is abutted against the cambered surface of the conical opening 8, and the air tightness of the one-way valve is further improved. When the product is required to be deflated, the channel 7 can be opened only by slightly pressing the thrust piece 4, and the air-tightness device is simple in structure and high in air-tightness. The screw cap 3 is arranged on the valve mouth, so that the situation of false touch is avoided, meanwhile, the spring 5 is arranged in the valve mouth, the air tightness of the one-way valve is improved, the air inflation and the air deflation are more convenient, and the valve has great economic popularization value.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The one-way valve is characterized by comprising a base (1), wherein a one-way valve inner insert (2) is detachably fixed in the base (1), a screw cover (3) is connected to the one-way valve inner insert (2) in a threaded manner, and an elastic valve component is arranged in the one-way valve inner insert (2);

the elastic valve assembly comprises a thrust piece (4), a spring (5) and a sealing gasket (6), wherein the sealing gasket (6) is detachably fixed at one end of the thrust piece (4), a channel (7) is formed in the check valve inner insert (2), a conical opening (8) is formed in the edge of one end of the channel (7), a limit step (9) is formed in the conical opening (8), the sealing gasket (6) is abutted to the cambered surface of the conical opening (8), the thrust piece (4) is arranged in the channel (7), the spring (5) is installed at the outer side of the thrust piece (4), one end of the spring (5) is abutted to the limit step (9), and the other end of the spring supports the head of the thrust piece (4).

2. A one-way valve according to claim 1, characterized in that the thrust member (4) comprises a thrust rod (10), a cross core (11) and a conical table (12), the cross core (11) is fixed at one end of the thrust rod (10), the conical table (12) is fixed at one end of the thrust rod (10) away from the cross core (11), and the outer diameter of the conical table (12) is smaller than the inner diameters of the spring (5) and the conical opening (8).

3. A one-way valve according to claim 2, characterized in that the bottom of the cross-shaped core (11) is provided with a notch (13) for mounting the spring (5), and one end of the spring (5) is clamped in the notch (13).

4. A one-way valve according to claim 2, wherein the outer wall of the conical table (12) is provided with a sealing groove (14) for the sealing gasket (6) to be embedded, and the sealing gasket (6) wraps one end of the conical table (12) when embedded in the sealing groove (14).

5. A one-way valve according to claim 1, characterized in that the gasket (6) is dished.

6. The one-way valve according to claim 1, wherein a plurality of limiting rings (15) for preventing rotation and falling are arranged on the outer wall of the one-way valve insert (2), and a plurality of limiting grooves corresponding to the limiting rings (15) one by one are formed in the inner wall of the base (1).

7. A one-way valve according to claim 1, characterized in that the top end of the one-way valve insert (2) is fixedly connected with a convex ring (17), an annular sealing gasket (18) is mounted on the convex ring (17), and the annular sealing gasket (18) is positioned between the screw cap (3) and the one-way valve insert (2) when the screw cap (3) is in threaded connection with the one-way valve insert (2).

8. A one-way valve according to claim 1, characterized in that the top of the screw cap (3) is provided with a groove (19), and a handle (20) is fixedly connected in the groove (19).