CN217130389U

CN217130389U - All-welded ball valve with balanced pressure

Info

Publication number: CN217130389U
Application number: CN202220951200.5U
Authority: CN
Inventors: 朱建华; 姜振文
Original assignee: Jiangsu Gemex Valve Co ltd
Current assignee: Dalian North Refining & Chemical Valve Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-05
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a pressure balance's all-welded ball valve, relate to ball valve technical field, including valve body and drive arrangement, the top of valve body is provided with drive arrangement, the flange interface of intaking is installed to the one end of valve body, the flange interface of going out is installed to the other end of valve body, pressure relief device is installed to one side of valve body, pressure relief device's one end is inlayed and is established and install first connecting pipe, the other end and the flange interface of intaking of first connecting pipe communicate with each other, pressure relief device's the other end is inlayed and is established and install the second connecting pipe, the one end of second connecting pipe communicates with each other with play water flange interface, the inside activity of valve body is inserted and is equipped with the case, the top fixed mounting of case has the valve rod, and the top of valve rod runs through the valve body cover and establishes the inside of drive arrangement, pressure relief device's inside is inlayed and is installed sealed the pad, the top fixed mounting of sealed pad has first mount pad. The utility model discloses a, can effectively improve the balanced effect of ball valve internal pressure, have higher practical value.

Description

All-welded ball valve with balanced pressure

Technical Field

The utility model belongs to the technical field of the ball valve, more specifically say, in particular to pressure balance's all-welded ball valve.

Background

The valve is driven by valve rod and rotates around the axis of ball valve, and may be used in regulating and controlling fluid.

Based on the above, the present inventors found that the following problems exist: present all-welded ball valve rises the thermal expansion power that produces because of medium, temperature when the pipeline uses, or when pipeline service pressure surpassed rated pressure for ball valve internal pressure is uneven, and then probably takes place the phenomenon that the spheroid was locked, and the person of not being convenient for opens and close and adjust the ball valve, has influenced the practicality of ball valve greatly.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an all-welded ball valve with balanced pressure is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pressure balance's all-welded ball valve to solve present ball valve internal pressure and lead to the spheroid problem of locking greatly.

The utility model discloses pressure balance's all-welded ball valve's purpose and efficiency are reached by following concrete technological means:

the utility model provides a pressure balance's all-welded ball valve, includes valve body and drive arrangement, the top of valve body is provided with drive arrangement, the flange interface that intakes is installed to the one end of valve body, the flange interface that goes out is installed to the other end of valve body, pressure relief device is installed to one side of valve body, pressure relief device's one end is inlayed and is established and install first connecting pipe, the other end and the flange interface that intakes of first connecting pipe communicate with each other, pressure relief device's the other end is inlayed and is established and install the second connecting pipe, the one end of second connecting pipe communicates with each other with play flange interface, the inside activity of valve body is inserted and is equipped with the case, the top fixed mounting of case has the valve rod, just the top of valve rod is run through the valve body cover and is established in drive arrangement's inside.

Further, the inside of pressure relief device inlays to establish and installs sealed the pad, the top fixed mounting who fills up has first mount pad.

Furthermore, a threaded rod is inserted in the top end of the pressure relief device in a rotating mode, and a second mounting seat is installed at the bottom end of the threaded rod through a movable shaft.

Furthermore, the bottom of the second mounting seat is fixedly provided with a spring, and the bottom end of the spring is fixedly connected with the first mounting seat.

Furthermore, the bottom of the pressure relief device is provided with a piston in a sliding manner, and the top end of the piston penetrates through the sealing gasket and is fixedly connected with the first mounting seat.

Further, the sealing washer is installed all to inlay at the inside both ends of valve body, the sealing washer is the rubber material.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the pressure-balanced all-welded ball valve is characterized in that a pressure relief device is installed, the pressure relief device is communicated with a water inlet end and a water outlet end of a valve body through a first connecting pipe and a second connecting pipe, when the internal pressure of a water inlet end pipeline is overlarge, the pressure enters the pressure relief device through the first connecting pipe, a spring, a first mounting seat, a second mounting seat, a sealing gasket and a piston are used in a matched mode, when the internal pressure value of the pressure relief device is large, the piston is jacked up, the first mounting seat overcomes the elastic force of the spring and rises together, when the height of the piston is higher than that of the second connecting pipe, the pressure enters the water outlet end of the valve body through the second connecting pipe, the pressure value is released, when the pressure value is smaller than the elastic force of the spring, the piston is reset through the elasticity of the spring, and a medium cannot enter the second connecting pipe, the pressure is released, so that a user can rotate the valve core to control the opening and closing of the ball valve conveniently;

2. according to the all-welded ball valve with balanced pressure, a sealing gasket is installed, so that a medium is prevented from leaking out of the top end after entering the pressure relief device, a threaded rod is movably inserted, and a second installation seat is installed through a movable shaft, so that a user can conveniently adjust the elasticity of a spring between the first installation seat and the second installation seat through rotating the threaded rod, and further adjust the pressure value of pressure relief; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation is convenient, can effectively improve the balanced effect of ball valve internal pressure, has higher practical value.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic side sectional view of the present invention.

Fig. 3 is a schematic side sectional view of the pressure relief device of the present invention.

Fig. 4 is an enlarged schematic view of the structure a in fig. 2 of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a valve body; 2. a water outlet flange interface; 3. a water inlet flange interface; 4. a pressure relief device; 5. a first connecting pipe; 6. a second connecting pipe; 7. a drive device; 8. a threaded rod; 9. a valve core; 10. a valve stem; 11. a second mounting seat; 12. a spring; 13. a first mounting seat; 14. a gasket; 15. a piston; 16. and (5) sealing rings.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a pressure balance's all-welded ball valve, including valve body 1 and drive arrangement 7, the top of valve body 1 is provided with drive arrangement 7, and through installation drive arrangement 7, the person of facilitating the use rotates valve rod 10 through drive arrangement 7, and then adjusts opening and close of ball valve, intake flange interface 3 is installed to one end of valve body 1, the other end of valve body 1 is installed out water flange interface 2, through installation intake flange interface 3 and out water flange interface 2, the medium of being convenient for circulates from the valve body 1 inside, pressure relief device 4 is installed to one side of valve body 1, the one end of pressure relief device 4 is inlayed and is installed first connecting pipe 5, the other end of first connecting pipe 5 communicates with intake flange interface 3, the other end of pressure relief device 4 is inlayed and is installed second connecting pipe 6, the one end of second connecting pipe 6 communicates with play water flange interface 2, pressure relief device 4 is connected with valve body 1 through first connecting pipe 5 and second connecting pipe 6 for when water inlet end pipeline inside medium pressure was too big, can be through pressure relief device 4 with pressure transmission business turn over water end, and then be convenient for case 9 and rotate, the inside activity of valve body 1 is inserted and is equipped with case 9, the top fixed mounting of case 9 has valve rod 10, just the top of valve rod 10 runs through valve body 1 cover and establishes the inside at drive arrangement 7.

Wherein, pressure relief device 4's inside is inlayed and is established and install sealed 14, the top fixed mounting who fills up 14 has first mount pad 13, through the sealed 14 that fills up of installation, avoids the medium to enter into pressure relief device 4 inside after from the top leakage.

Wherein, pressure relief device 4's top is rotated and is inserted threaded rod 8, second mount pad 11 is installed through the loose axle in the bottom of threaded rod 8, and through installation threaded rod 8, convenient to use person rotates threaded rod 8 and comes the elasticity of adjusting spring 12, and then adjusts the pressure value of pressure release.

Wherein, the bottom fixed mounting of second mount pad 11 has spring 12, just the bottom and the first mount pad 13 fixed connection of spring 12, through installation spring 12 for when pressure relief device 4 internal pressure was too big, spring 12 was by jack-up, and then made piston 15 rise, made medium pressure enter into out the water end.

Wherein, pressure relief device 4's bottom slidable mounting has piston 15, just sealed 14 and first mount pad 13 fixed connection are run through to piston 15's top, through installation piston 15, and the pressure relief device 4 of being convenient for carries out the pressure release.

Wherein, the inside both ends of valve body 1 are all inlayed and are established and install sealing washer 16, sealing washer 16 is the rubber material, through installation sealing washer 16, and for the rubber material, has improved the inside leakproofness of valve body 1, avoids the medium of circulation at the inside seepage of valve body 1.

The specific use mode and function of the embodiment are as follows:

when the product is used, whether each mechanism in the pressure-balanced all-welded ball valve is complete is firstly checked, then a pipeline is connected with a water inlet flange interface 3 and a water outlet flange interface 2 at two ends of a valve body 1, a user can open, close and adjust the ball valve through a driving device 7, the pressure relief device 4 is installed, the first connecting pipe 5 and the second connecting pipe 6 are utilized to communicate the pressure relief device 4 with the water inlet end and the water outlet end of the valve body 1, so that when the internal pressure of the pipeline at the water inlet end is overlarge, the pressure enters the pressure relief device 4 through the first connecting pipe 5, the spring 12, the first mounting seat 13, the second mounting seat 11, the sealing gasket 14 and the piston 15 are matched for use, when the internal pressure value of the pressure relief device 4 is large, the piston 15 is jacked up, so that the first mounting seat 13 overcomes the elasticity of the spring 12, rise together, when the height of piston 15 is higher than the height of second connecting pipe 6, pressure enters into the play water end of valve body 1 through second connecting pipe 6, and then releases the pressure value for valve body 1 internal pressure is balanced, and when the pressure value was less than the elasticity of spring 12, the elasticity through spring 12 resets piston 15, and then makes the medium can not enter into second connecting pipe 6.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a pressure balance's all-welded ball valve, includes valve body (1) and drive arrangement (7), its characterized in that: the top end of the valve body (1) is provided with a driving device (7), one end of the valve body (1) is provided with a water inlet flange connector (3), the other end of the valve body (1) is provided with a water outlet flange connector (2), one side of the valve body (1) is provided with a pressure relief device (4), one end of the pressure relief device (4) is embedded with a first connecting pipe (5), the other end of the first connecting pipe (5) is communicated with the water inlet flange interface (3), the other end of the pressure relief device (4) is embedded with a second connecting pipe (6), one end of the second connecting pipe (6) is communicated with the water outlet flange connector (2), a valve core (9) is movably inserted in the valve body (1), a valve rod (10) is fixedly arranged at the top end of the valve core (9), and the top end of the valve rod (10) penetrates through the valve body (1) and is sleeved in the driving device (7).

2. The pressure balanced all-welded ball valve of claim 1, wherein: the inside of pressure relief device (4) is inlayed and is established and install sealed pad (14), the top fixed mounting who fills up (14) has first mount pad (13).

3. The pressure balanced all welded ball valve of claim 2, wherein: the top of pressure relief device (4) is rotated and is inserted threaded rod (8), second mount pad (11) are installed through the loose axle in the bottom of threaded rod (8).

4. A pressure balanced all welded ball valve as claimed in claim 3, wherein: the bottom fixed mounting of second mount pad (11) has spring (12), just the bottom and first mount pad (13) fixed connection of spring (12).

5. The pressure balanced all-welded ball valve of claim 4, wherein: the bottom of pressure relief device (4) slidable mounting has piston (15), just the top of piston (15) runs through sealed pad (14) and first mount pad (13) fixed connection.

6. An all-welded pressure balanced ball valve as claimed in claim 1, wherein: the valve is characterized in that sealing rings (16) are installed at two ends inside the valve body (1) in an embedded mode, and the sealing rings (16) are made of rubber materials.