CN223306365U - Cutting ferrule formula check valve seal structure - Google Patents

Abstract

The utility model relates to a sleeve-type one-way valve sealing structure, which belongs to the technical field of one-way valves. The sleeve-type one-way valve sealing structure comprises a valve body and sleeve-type joints installed on both sides of the valve body. One side of the valve body is provided with a first flow cavity connecting one of the sleeve-type joints with the bottom of the spherical cavity, and the other side of the valve body is provided with a second flow cavity connecting the other sleeve joint with one side of the sealing cavity. A fixing cylinder is installed on the top of the valve body, and a sealing cavity extending to the inside of the valve body is provided on the top of the valve body and located in the fixing cylinder. A spherical cavity is provided at the bottom of the sealing cavity. When the elasticity of the spring attenuates during use of the utility model, a new spring can be directly replaced without replacing the entire one-way valve, thereby reducing waste of resources and making it more convenient for people to use.

Description

Cutting ferrule formula check valve seal structure

Technical Field

The utility model belongs to the technical field of check valves, and particularly relates to a clamping sleeve type check valve sealing structure.

Background

The check valve of the compressor is a device for preventing the gas from flowing back, and has the function of preventing the gas from flowing back to the suction pipeline from the exhaust pipeline in the stop state of the compressor, so that the adverse effect is caused when the compressor is started.

The existing one-way valve of the compressor mainly adopts a spring type structure in the use process, when the compressor is started, the spring of the one-way valve of the compressor is compressed, the valve is opened, gas enters the compressor from the air suction pipeline, when the compressor stops running, the spring of the valve is contracted to close the valve, and the gas is prevented from flowing back to the air suction pipeline from the air discharge pipeline, so that the normal flow of the gas in the system is ensured, but the spring is attenuated in the long-term use process, the valve port cannot be tightly closed, the leakage phenomenon can be caused, the spring cannot be replaced in the use process of the existing one-way valve, and the whole one-way valve can be directly replaced, so that the resource is wasted, and the use of people is inconvenient.

Disclosure of utility model

The utility model aims to solve the problems and provide the clamping sleeve type one-way valve sealing structure which is simple in structure and reasonable in design.

The utility model realizes the above purpose through the following technical scheme:

The utility model provides a cutting ferrule formula check valve seal structure, includes the valve body to and install the cutting ferrule formula joint in the valve body both sides, fixed section of thick bamboo is installed at the top of valve body, the top of valve body just is located and has offered the sealed chamber that extends to the valve body inside in fixed section of thick bamboo, spherical chamber has been seted up to the bottom in sealed chamber, the inside cover in sealed chamber is equipped with the seal post, the inside sliding connection of fixed section of thick bamboo has the closing plate, the sealed section of thick bamboo is installed through fixed establishment at the top of fixed section of thick bamboo, the movable rod is installed at the top of closing plate, the outside cover of movable rod has the spring, the internally mounted of sealed section of thick bamboo has and supports tight mechanism with the spring tightly.

As a further optimization scheme of the utility model, one side of the valve body is provided with a first flow cavity which communicates one of the clamping sleeve type connectors with the bottom of the spherical cavity, and the other side of the valve body is provided with a second flow cavity which communicates the other clamping sleeve type connector with one side of the sealing cavity.

As a further optimization scheme of the utility model, the fixing mechanism comprises a first sealing ring arranged outside the fixing cylinder and a second sealing ring arranged outside the sealing cylinder, wherein the first sealing ring and the second sealing ring are mutually adhered and fixed through a plurality of bolts.

As a further optimization scheme of the utility model, the abutting mechanism comprises a pressing plate arranged in the sealing cylinder and a limiting ring arranged in the fixed cylinder and matched with the pressing plate for use, a moving hole matched with the moving rod for use is formed in the center of the pressing plate, and two ends of the spring are respectively attached to the top of the sealing plate and the bottom of the pressing plate.

As a further optimized scheme of the utility model, the bottom of the pressing plate protrudes out of the sealing cylinder, and a sealing layer is arranged outside the pressing plate.

As a further optimization scheme of the utility model, a steel ball is arranged in the spherical cavity, and the steel ball is positioned below the sealing column and used for sealing the port of the first flow cavity.

The utility model has the beneficial effects that when the elasticity of the spring is attenuated in the using process, the spring can be directly replaced with a new spring without replacing the whole one-way valve, thereby reducing the waste of resources and being more convenient for people to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a first cross-sectional schematic view of the present utility model;

FIG. 3 is a second cross-sectional schematic view of the present utility model;

FIG. 4 is a third cross-sectional structural schematic of the present utility model;

Fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

In the figure, 1, a valve body, 2, a clamping sleeve type joint, 3, a fixed cylinder, 4, a sealing cavity, 5, a spherical cavity, 6, a sealing column, 7, a sealing plate, 8, a sealing cylinder, 9, a moving rod, 10, a spring, 11, a first flow cavity, 12, a first sealing ring, 13, a second sealing ring, 14, a pressing plate, 15, a limiting ring, 16, a moving hole, 17, a steel ball, 18 and a second flow cavity.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.

As shown in fig. 1-5, a sleeve-type check valve sealing structure comprises a valve body 1 and sleeve-type joints 2 arranged at two sides of the valve body 1, wherein a first circulation cavity 11 for communicating one sleeve-type joint 2 with the bottom of a spherical cavity 5 is arranged at one side of the valve body 1, a second circulation cavity 18 for communicating the other sleeve-type joint 2 with one side of a sealing cavity 4 is arranged at the other side of the valve body 1, a fixed cylinder 3 is arranged at the top of the valve body 1 and is positioned in the fixed cylinder 3, a sealing cavity 4 extending to the inside of the valve body 1 is arranged at the top of the valve body 1, a spherical cavity 5 is arranged at the bottom of the sealing cavity 4, a steel ball 17 is arranged in the spherical cavity 5 and is positioned below a sealing post 6 for sealing a port of the first circulation cavity 11, the sealing post 6 is sleeved in the sealing cavity 4, a sealing plate 7 is slidingly connected in the fixed cylinder 3, the top of the fixed cylinder 3 is provided with a sealing cylinder 8 through a fixing mechanism, when liquid stops flowing, a steel ball 17 can drop to the port of the first flowing cavity 11 under the action of gravity so as to seal the first flowing cavity, backflow of the liquid is prevented, meanwhile, a sealing column 6 can seal one end of the second flowing cavity 18 under the action of a spring 10, the double sealing effect can be achieved, the fixing mechanism comprises a first sealing ring 12 arranged outside the fixed cylinder 3 and a second sealing ring 13 arranged outside the sealing cylinder 8, the first sealing ring 12 and the second sealing ring 13 are mutually adhered and fixed through a plurality of bolts, the top of the sealing plate 7 is provided with a moving rod 9, the outside of the moving rod 9 is sleeved with a spring 10, the inside of the sealing cylinder 8 is provided with a pressing mechanism for pressing the spring 10 tightly, the pressing mechanism comprises a pressing plate 14 arranged inside the sealing cylinder 8, and install the spacing ring 15 that is used in the fixed cylinder 3 and cooperates with clamp plate 14, the center department of clamp plate 14 has seted up the removal hole 16 that uses with movable rod 9 cooperation, the both ends of spring 10 respectively with the top of closing plate 17 and the laminating of clamp plate 14 bottom, the bottom protrusion seal cylinder 8 of clamp plate 14, the outside of clamp plate 14 is provided with the sealing layer, be formed with the space that uses with clamp plate 14 cooperation between spacing ring 15 and the top of installation cylinder 3, when clamp plate 14 and spacing ring 15 laminating together, can improve the leakproofness between first sealing ring 12 and the second sealing ring 13 under the effect of sealing layer.

It should be noted that, this cutting ferrule type check valve seal structure, liquid enters into 2 spherical chamber 5 through first circulation chamber 11 when using, can promote steel ball 17 and shift up under the effect of liquid pressure, thereby open the port of first circulation chamber 11, liquid can enter into sealed chamber 4 this moment, can promote seal post 6 and shift up under the effect of liquid pressure, seal plate 7 can move in the inside of installation section of thick bamboo 3 this moment, thereby compression spring 10, spring 10 can take place elastic deformation this moment, when seal post 6 moves the upside of second circulation chamber 18, liquid can discharge through second circulation chamber 18, when needs change spring 10, can take off a plurality of bolts from first sealing ring 12 and second sealing ring 13, this moment can directly take off seal barrel 8 from the top of installation section of thick bamboo 3, after taking off seal barrel 8, can directly take off the spring 10 of cover and establish outside movable rod 9, then set up the outside at movable rod 9 with new spring 10, then install seal barrel 8 again at the top of installation section of thick bamboo 3 at the top of thick bamboo 9 at the time, can take place the clamp plate 14 at the top of movable rod 9 at the time of the movable rod 9 very little, can take off the clamp plate 14 when the pressure plate 14 is changed at the top of the installation section of thick bamboo 9, can take place at the top of thick bamboo 10 at the top of the movable rod 14.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The utility model provides a cutting ferrule formula check valve seal structure, includes valve body (1) to and install cutting ferrule formula joint (2) in valve body (1) both sides, a serial communication port, fixed section of thick bamboo (3) are installed at the top of valve body (1), set up in the top of valve body (1) and in fixed section of thick bamboo (3) and extend to inside sealed chamber (4) of valve body (1), spherical chamber (5) have been seted up to the bottom of sealed chamber (4), the inside cover of sealed chamber (4) is equipped with sealing post (6), the inside sliding connection of fixed section of thick bamboo (3) has closing plate (7), sealed section of thick bamboo (8) are installed through fixed establishment in the top of fixed section of thick bamboo (3), movable rod (9) are installed at the top of closing plate (7), the outside cover of movable rod (9) is equipped with spring (10), the internally mounted of sealed section of thick bamboo (8) carries out the tight mechanism of supporting with spring (10).

2. The clamping sleeve type one-way valve sealing structure of claim 1 is characterized in that a first circulation cavity (11) for communicating one clamping sleeve type connector (2) with the bottom of the spherical cavity (5) is formed in one side of the valve body (1), and a second circulation cavity (18) for communicating the other clamping sleeve type connector (2) with one side of the sealing cavity (4) is formed in the other side of the valve body (1).

3. A one-way valve sealing structure as claimed in claim 1, wherein the fixing mechanism comprises a first sealing ring (12) arranged outside the fixing cylinder (3) and a second sealing ring (13) arranged outside the sealing cylinder (8), and the first sealing ring (12) and the second sealing ring (13) are mutually adhered and fixed through a plurality of bolts.

4. The clamping sleeve type one-way valve sealing structure according to claim 1, wherein the abutting mechanism comprises a pressing plate (14) arranged in the sealing cylinder (8), and a limiting ring (15) arranged in the fixed cylinder (3) and matched with the pressing plate (14), a moving hole (16) matched with the moving rod (9) is formed in the center of the pressing plate (14), and two ends of the spring (10) are respectively attached to the top of the sealing plate (7) and the bottom of the pressing plate (14).

5. The clamping sleeve type one-way valve sealing structure according to claim 4, wherein the bottom of the pressing plate (14) protrudes out of the sealing cylinder (8), and a sealing layer is arranged outside the pressing plate (14).

6. The clamping sleeve type one-way valve sealing structure according to claim 1, wherein a steel ball (17) is arranged in the spherical cavity (5), and the steel ball (17) is positioned below the sealing column (6) and used for sealing a port of the first flow cavity (11).