CN213145375U

CN213145375U - Noise-reduction type fast-assembly quick-disassembly double-sealing-surface valve seat adjusting valve

Info

Publication number: CN213145375U
Application number: CN202022167711.1U
Authority: CN
Inventors: 夏智; 季春琴; 孟翠英; 夏毅; 夏茂忠
Original assignee: Chi Peng Automatic Control Valve Co ltd
Current assignee: Zhipeng Valve Group Co.,Ltd.
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-07
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a type of making an uproar fast-assembling quick detach dual seal face disk seat governing valve falls relates to chemical engineering equipment technical field. The regulating valve comprises a valve body, a double-seal valve seat, a guide fixing cage, an integrated valve core, a valve cover, a gland, a bracket, a scale, a cylinder device and a positioner, wherein the guide fixing cage is arranged on the double-seal valve seat; the valve cover is fixedly arranged at the top of the guide fixing cage; the bracket is fixedly arranged at the top of the valve cover; the cylinder device is fixedly arranged at the top of the bracket; the air cylinder device is used for driving the integrated valve core to move up and down; the positioner is arranged on one side of the bracket; the graduated scale is arranged on the other side of the bracket; the positioner is connected with the scale indication block through a connecting rod; a scale pointer is arranged on one side of the scale indication block; the scale pointer points to the corresponding position of the scale along with the up-and-down movement of the integrated valve core.

Description

Noise-reduction type fast-assembly quick-disassembly double-sealing-surface valve seat adjusting valve

Technical Field

The utility model relates to a chemical engineering equipment technical field, concretely relates to type of making an uproar fast-assembling quick detach dual seal face disk seat governing valve falls.

Background

At present, regulating valves play a very important role in the automatic control of modern plants, whose production depends on the correct distribution and control of the flowing medium. These controls, whether energy exchange, pressure reduction, or simple vessel charging, require some final control element to accomplish. The regulating valve acts as a variable resistance in the conduit. The regulating valve is a throttling device, belongs to a movable part, and is compared with a detection element, a transmitter and a controller, and in the control process, the regulating valve needs to continuously change the flow area of the throttling element to change the manipulated variable so as to adapt to the change of load or the change of operating conditions. Therefore, higher requirements are put on pressure reduction, noise reduction, sealing, rigidity, stability, wear resistance, quick repair and the like of the regulating valve assembly.

However, the noise of the regulating valve in the prior art is high, and the sealing, rigidity, stability, wear resistance and the like have larger improvement space.

Disclosure of Invention

The utility model aims at providing a type of making an uproar fast-assembling quick detach dual containment face disk seat governing valve falls to the noise that exists among the solution prior art is higher, and sealed, rigidity, stability, wearability are good technical problem inadequately.

The utility model aims at solving the defects of the prior art and providing a noise reduction type fast-assembly and fast-disassembly double-sealing-surface valve seat regulating valve, which comprises a valve body, a double-sealing valve seat, a guide fixing cage, an integrated valve core, a valve cover, a gland, a bracket, a scale, a cylinder device and a positioner, wherein the valve body is provided with an inlet pipe and an outlet pipe which are mutually communicated through a communication opening inside the valve body; the double-sealing valve seat is arranged on the communication opening; the guide fixing cage is arranged on the double-sealing valve seat; the valve cover is fixedly arranged at the top of the guide fixing cage; the bracket is fixedly arranged at the top of the valve cover; the cylinder device is fixedly arranged at the top of the bracket; the valve rod at the top of the integrated valve core sequentially penetrates through the guide fixing cage, the valve cover and the support and is connected with the cylinder device; the cylinder device is used for driving the integrated valve core to move up and down, so that the communication opening is opened or closed through the bottom of the integrated valve core; the positioner is arranged on one side of the bracket; the graduated scale is arranged on the other side of the bracket; the positioner is connected with the scale indication block through a connecting rod; the scale indicating block is fixedly sleeved on the valve rod at the top of the integrated valve core; a scale indicating needle is arranged on one side of the scale indicating block; the scale pointer points to the corresponding position of the graduated scale along with the up-and-down movement of the integrated valve core.

And a filler is arranged in a gap between the valve rod and the valve cover at the top of the integrated valve core, and a gland is arranged above the filler.

The filler is a multilayer graphite and temperature-resistant carbon fiber combined filler.

The gland and the bracket are fixedly connected together through a gland bolt and a gland nut.

The valve rod on the top of the integrated valve core penetrates through the gland, and a sealing ring is arranged between the gland and the valve rod on the top of the integrated valve core.

And a valve seat sealing gasket is arranged between the communication opening and the double sealing valve seat.

And a positioning sealing ring is arranged between the valve cover and the guide fixing cage.

The valve cover and the valve body are fixedly connected together through a valve cover bolt and a valve cover nut.

Preferably, the valve body is of one-piece cast construction.

Further preferably, when the bottom of the integrated valve element opens the communication opening, the inlet pipe and the outlet pipe communicate with each other through the communication opening; when the bottom of the integrated valve core closes the communication opening, the inlet pipe and the outlet pipe are separated.

Advantageous effects

Compared with the prior art, type of making an uproar fast-assembling quick detach double containment face disk seat governing valve fall have following technical advantage and positive effect:

1) and a bidirectional valve seat: the valve seat is arranged into a bidirectional valve seat, can be installed in different directions, and can be directly changed in direction for use.

2) And guiding the fixing cage: 1. the function of pressing the valve seat is achieved, so that the valve seat is convenient to disassemble and repair quickly; 2. the valve core is guided and fixed, so that the opening and closing of the valve are smoother and more stable; 3. the medium flow direction in the cavity is changed, the wall of the cavity cannot be directly washed, and the effects of reducing pressure and reducing noise are achieved.

3) And the valve core is increased, so that the valve core is more stable in the opening process.

4) And a filler: the multilayer graphite and temperature-resistant carbon fiber combined packing has better elasticity, and can make the valve have better sealing property and longer service life while reducing the torque.

Compared with a common adjusting valve, the design of the double valve seats and the guide fixing cage improves the quick-dismantling noise reduction and pressure reduction of the valve, and the design of the valve core, the packing and the gland ensures that the production and manufacturing cost of the valve is in a controllable range, thereby prolonging the service life and the efficiency of the valve.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

FIG. 1 is the structural schematic diagram of the noise reduction type fast-assembling quick-disassembling double-sealing surface valve seat regulating valve.

Fig. 2 is a partially enlarged schematic view of the gland, bonnet and valve body and their surrounding components.

Figure 3 is an enlarged partial schematic view of the carriage, positioner, scale and surrounding components.

Wherein: 1. a valve body; 2. a valve seat gasket; 3. a double-sealing valve seat; 4. guiding and fixing the cage; 5. an integral valve core; 6. positioning the sealing ring; 7. a valve cover; 8. a bonnet bolt and nut; 9. a filler; 10. a gland; 11. a seal ring; 12. a gland bolt and nut; 13. a support; 14. a graduated scale; 15. a cylinder device; 16. a locator.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" 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 "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the noise reduction type quick-assembly/disassembly dual-sealing surface valve seat adjusting valve of the present invention comprises a valve body 1, a dual-sealing valve seat 3, a guiding fixing cage 4, an integrated valve core 5, a valve cover 7, a gland 10, a bracket 13, a scale 14, a cylinder device 15 and a positioner 16, wherein the valve body 1 is provided with an inlet pipe 21 and an outlet pipe 22, and the inlet pipe 21 and the outlet pipe 22 are communicated with each other through a communication opening 23 inside the valve body 1; the double-sealing valve seat 3 is arranged on the communication opening; the guide fixing cage 4 is arranged on the double-sealing valve seat 3; the valve cover 7 is fixedly arranged at the top of the guide fixing cage 4; the bracket 13 is fixedly arranged at the top of the valve cover 7; the cylinder device 15 is fixedly arranged at the top of the bracket 13; a valve rod at the top of the integrated valve core 5 sequentially penetrates through the guide fixing cage 4, the valve cover 7 and the support 13 and is connected with the cylinder device 15; the cylinder device 15 is used for driving the integrated valve core 5 to move up and down, so that the communication opening is opened or closed through the bottom of the integrated valve core 5; the positioner 16 is mounted on one side of the bracket 13; the graduated scale 14 is arranged on the other side of the bracket 13; the positioner 16 is connected with a scale indication block 31 through a connecting rod 30; the scale indication block 31 is fixedly sleeved on the valve rod at the top of the integrated valve core 5; a scale pointer 32 is arranged on one side of the scale indication block 31; the scale pointer 32 points to the corresponding position of the scale 14 along with the up-and-down movement of the integrated valve core 5.

And a packing 9 is arranged in a gap between the valve rod at the top of the integrated valve core 5 and the valve cover 7, and a gland 10 is arranged above the packing 9.

The filler 9 is a multilayer graphite and temperature-resistant carbon fiber combined filler.

The gland 10 and the bracket 13 are fixedly connected together through a gland bolt and a gland nut 12.

The valve rod on the top of the integrated valve core 5 penetrates through the gland 10, and a sealing ring 11 is arranged between the gland 10 and the valve rod on the top of the integrated valve core 5.

A valve seat sealing gasket 2 is arranged between the communication opening and the double sealing valve seat 3.

And a positioning sealing ring 6 is arranged between the valve cover 7 and the guide fixing cage 4.

The valve cover 7 and the valve body 1 are fixedly connected together through a valve cover bolt and a valve nut 8.

Preferably, the valve body 1 is a one-piece cast structure.

Further preferably, when the bottom of the integrated valve cartridge 5 opens the communication opening, the inlet pipe 21 and the outlet pipe 22 communicate with each other through the communication opening; when the bottom of the integrated valve cartridge 5 closes the communication opening, the inlet pipe 21 and the outlet pipe 22 are blocked.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A noise reduction type quick-mounting and quick-dismounting double-sealing-surface valve seat regulating valve is characterized by comprising a valve body, a double-sealing valve seat, a guide fixing cage, an integrated valve core, a valve cover, a gland, a support, a scale, a cylinder device and a positioner, wherein an inlet pipe and an outlet pipe are arranged on the valve body and are mutually communicated through a communication opening in the valve body; the double-sealing valve seat is arranged on the communication opening; the guide fixing cage is arranged on the double-sealing valve seat; the valve cover is fixedly arranged at the top of the guide fixing cage; the bracket is fixedly arranged at the top of the valve cover; the cylinder device is fixedly arranged at the top of the bracket; the valve rod at the top of the integrated valve core sequentially penetrates through the guide fixing cage, the valve cover and the support and is connected with the cylinder device; the cylinder device is used for driving the integrated valve core to move up and down, so that the communication opening is opened or closed through the bottom of the integrated valve core; the positioner is arranged on one side of the bracket; the graduated scale is arranged on the other side of the bracket; the positioner is connected with the scale indication block through a connecting rod; the scale indicating block is fixedly sleeved on the valve rod at the top of the integrated valve core; a scale indicating needle is arranged on one side of the scale indicating block; the scale pointer points to the corresponding position of the graduated scale along with the up-and-down movement of the integrated valve core.

2. The noise reduction type fast-assembling quick-disassembling double sealing surface valve seat adjusting valve as claimed in claim 1, wherein a packing is disposed in a gap between the valve rod and the valve cover on the top of the integrated valve core, and a gland is disposed above the packing.

3. The noise reduction type fast-assembling quick-disassembling double sealing surface valve seat adjusting valve according to claim 2, wherein the packing is a multi-layer graphite and temperature-resistant carbon fiber combined packing.

4. The noise reduction type fast-assembling quick-disassembling double sealing surface valve seat adjusting valve as claimed in claim 1, wherein the gland and the bracket are fixedly connected together by a gland bolt and a nut.

5. The noise reduction type fast-assembling quick-disassembling double sealing surface valve seat adjusting valve as claimed in claim 1, wherein the valve rod on the top of the integrated valve core penetrates through the gland, and a sealing ring is arranged between the gland and the valve rod on the top of the integrated valve core.

6. The noise reduction type fast-assembling quick-disassembling double sealing surface valve seat adjusting valve as claimed in claim 1, wherein a valve seat gasket is disposed between the communication opening and the double sealing valve seat.

7. The noise reduction type quick-mounting/dismounting double sealing surface valve seat adjusting valve as claimed in claim 1, wherein a positioning seal ring is disposed between the valve cover and the guiding and fixing cage.

8. The noise reduction type quick-assembling quick-disassembling double sealing surface valve seat adjusting valve as claimed in claim 1, wherein the valve cover and the valve body are fixedly connected together through a valve cover bolt and a nut.

9. The noise reducing type quick-assembling quick-disassembling dual sealing surface valve seat adjusting valve as claimed in claim 1, wherein the valve body is a one-piece casting structure.

10. The noise reduction type quick-mounting and quick-dismounting double sealing surface valve seat adjusting valve as claimed in claim 1, wherein the inlet pipe and the outlet pipe are communicated with each other through the communication opening when the communication opening is opened by the bottom of the integrated valve core; when the bottom of the integrated valve core closes the communication opening, the inlet pipe and the outlet pipe are separated.