CN211779101U

CN211779101U - Pneumatic high-pressure ball valve of multiple elastic seal

Info

Publication number: CN211779101U
Application number: CN202020336919.9U
Authority: CN
Inventors: 刘彬彬; 姜华; 季桂芹
Original assignee: Jiangsu Huaxing Pipe Clamp Manufacturing Co ltd
Current assignee: Jiangsu Huaxing Pipe Clamp Manufacturing Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-10-27
Anticipated expiration: 2030-03-17

Abstract

The utility model belongs to the technical field of valves, in particular to a multiple elastic sealing pneumatic high-pressure ball valve, which comprises a valve body, a valve seat, a ball body embedded in the valve seat and a valve rod connected with the ball body, wherein the upper end of the valve rod is connected with a pneumatic control device, a material cavity is sleeved outside the valve rod, the pneumatic control device is connected with the outer wall of the material cavity through a bracket, the upper end of the material cavity is buckled with a packing gland, and the interior of the material cavity is sequentially filled with a packing compression ring, a V-shaped upper packing, a V-shaped middle packing and a V-shaped lower packing from top to bottom; the utility model discloses wholly adopt and forge the structure, guarantee holistic intensity, adopt butterfly regulating spring, the synthetic sealing material of reinforcing PPL to add O type sealing washer integrated configuration, guarantee the leakproofness of ball valve under high-pressure operating mode condition, adopt O type sealing washer and sealed pad, V type to pack threely sealed, guarantee the reliable seal under high-pressure operating mode condition, adopt the most up-to-date integrated pneumatic control device, realize on-the-spot control and remote centralized control.

Description

Pneumatic high-pressure ball valve of multiple elastic seal

Technical Field

The utility model discloses extensively be used for trades such as petroleum, chemical industry, electric power, metallurgy, food, medicine, gently spin, papermaking, the medium is the special valve field of cutting off the medium and intercommunication medium on various medium industrial pipe networks such as coal gas, air, steam, water, sea water, oil, especially relates to a pneumatic high-pressure ball valve of multiple elastic seal.

Background

The high-pressure ball valve is a valve in which an opening and closing part (a ball) is driven by a valve rod and rotates around the axis of the valve rod. The high-pressure ball valve is used for hydraulic mechanical equipment, hydraulic switches, natural gas and the like, the high-pressure ball valve is appeared in the 50 th century, and along with the rapid development of scientific technology and the continuous improvement of production process and product structure, the high-pressure ball valve is rapidly developed into a main valve in short 40 years.

The pipeline control system is used for controlling pipelines on industrial pipelines of industrial departments such as petroleum, chemical engineering, electric power, metallurgy, food, medicine, light textile, paper making and the like in China, and the defects of high pressure and large space position of a common ball valve body are effectively overcome particularly when a space device is installed.

Traditional ball valve, it is not good to be able to bear high pressure and sealed effect, and cost of maintenance is high.

In order to solve the problem, the application provides a pneumatic high-pressure ball valve with multiple elastic seals.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a pneumatic high-pressure ball valve of multiple elastic seal, simple installation can install the arbitrary position in the pipeline with arbitrary direction, long service life, and fluid resistance is little, and the switch is rapid, convenient, as long as the valve rod rotates 90, the ball valve has just accomplished the action of opening wide or closing entirely, realizes opening fast, and is sealed reliable under high-pressure operating mode condition, realizes on-the-spot control and remote centralized control, has practiced thrift manpower resources and time and security to a great extent.

(II) technical scheme

In order to solve the problem, the utility model provides a pneumatic high-pressure ball valve of multiple elastic seal, include valve body, disk seat, inlay and establish the spheroid inside the disk seat and the valve rod of being connected with the spheroid, the valve rod upper end is connected with pneumatic control device, the material chamber has been cup jointed in the valve rod outside, pneumatic control device passes through the support and expects chamber outer wall connection, it has gland to expect that the chamber upper end has been detained, it packs on clamping ring, the V type in filler, the V type in proper order to expect that the inside top-down of chamber packs under with the V type, the disk seat both ends are equipped with butterfly regulating spring, the spheroid inlays with the junction of disk seat and is equipped with the disk seat sealing washer, the inner wall of disk seat is connected.

Further, the valve body comprises a main body and an auxiliary body, the main body and the auxiliary body are in threaded connection through a second bolt and a second nut, and a sealing gasket is embedded at the joint of the main body and the auxiliary body.

Furthermore, a spacer is arranged at the bottom of the material cavity, and a sealing gasket is connected to the bottom of the spacer.

Further, the outer wall of the valve rod is also provided with a valve rod sealing gasket.

Furthermore, two ends of the packing gland are in threaded connection with the material cavity through a first bolt and a first nut.

Further, the valve body is of a forging type structure integrally.

The above technical scheme of the utility model has following profitable technological effect:

1, the whole body adopts a forging structure, the strength of the whole body is ensured, the installation is simple and convenient, and the whole body can be installed at any position in a pipeline in any direction;

2. the butterfly adjusting spring and the enhanced PPL combined sealing material and O-shaped sealing ring combined structure are adopted, the sealing performance of the ball valve under the high-pressure working condition is guaranteed, the sealing is reliable, the service life is long, the fluid resistance is small, the opening and closing are rapid and convenient, and the ball valve completes the full opening or full closing action as long as the valve rod rotates 90 degrees, so that the rapid opening and closing are realized;

3. the O-shaped sealing ring is sealed with the sealing gasket and the V-shaped packing in a triple mode, so that the sealing reliability under the high-pressure working condition is guaranteed;

4. the latest integrated pneumatic control device is adopted, local control and remote centralized control can be better realized, the valve can be controlled to be opened and closed in a control room, manual control is not required to be carried out when the valve is moved to the site or high altitude and dangerous places, and human resources, time and safety are saved to a great extent.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Reference numerals:

1. a main body; 2. a butterfly-type adjusting spring; 3. an O-shaped sealing ring; 4. a valve seat; 5. a valve seat sealing ring; 6. a sphere; 7. a valve stem gasket; 8. sealing gaskets; 9. a spacer; 10. v-shaped lower packing; 11. v-type medium filler; 12. v-shaped upper filler; 13. packing and pressing a ring; 14. a pneumatic control device; 15. a valve stem; 16. a packing gland; 17. a first bolt; 18. a first nut; 19. a support; 20. a second bolt; 21. a second nut; 22. a gasket; 23. and a sub-body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a pneumatic high-pressure ball valve of multiple elastic seal, include valve body, disk seat 4, inlay and establish at disk seat 4 inside spheroid 6 and the valve rod 15 of being connected with spheroid 6, valve rod 15 upper end is connected with pneumatic control device 14, the material chamber has been cup jointed in the 15 outside of valve rod, pneumatic control device 14 passes through support 19 and expects chamber outer wall connection, material chamber upper end lock joint has gland 16, material intracavity portion top-down has packed in proper order and has packed filler ring 13, V type on filler 12, filler 11 under the V type and the V type, disk seat 4 both ends are equipped with butterfly regulating spring 2, spheroid 6 inlays with disk seat 4's junction and is equipped with disk seat sealing 5, disk seat 4's inner wall is connected with O type sealing washer 3 all around.

It should be noted that, this pneumatic control device 14 is the latest integrated technology now, and valve rod 15 is connected with pneumatic control device 14's output screw thread block for high-pressure ball valve, and gland 16 on the material chamber is located inside support 19, for the V type that realizes filling from top to bottom in the material chamber goes up filler 12, packing 11 under the V type and the pressure of packing 10 holds, packing clamping ring 13 stack is placed and the quantity of packing clamping ring 13 is two-layer not few, and the outer wall both ends of disk seat 4 are inlayed and are equipped with butterfly regulating spring 2.

In the embodiment, the valve body comprises a main body 1 and a secondary body 23, the main body 1 and the secondary body 23 are in threaded connection through a second bolt 20 and a second nut 21, and a sealing gasket 22 is embedded at the joint of the main body 1 and the secondary body 23.

In the embodiment, the bottom of the material cavity is provided with a spacer 9, and the bottom of the spacer 9 is connected with a sealing gasket 8.

In an embodiment, the outer wall of the valve rod 15 is also provided with a valve rod sealing gasket 7.

Wherein, the valve rod sealing gasket 7 is arranged on the outer wall of the valve rod 15 and positioned at the lower parts of the spacer 9 and the sealing gasket 8, and the valve rod sealing gasket 7 is sleeved on the outer wall of the valve rod 15 to increase the sealing property.

In the embodiment, the two ends of the packing gland 16 are connected with the material cavity in a threaded mode through a first bolt 17 and a first nut 18.

In an embodiment, the valve body is of a forged structure integrally.

The utility model discloses a theory of operation and use flow: the high-pressure ball valve is installed, the water outlet connector and the water inlet connector of the high-pressure ball valve are respectively connected with the external pipeline flange, the pneumatic control device 14 is driven to work, the pneumatic control device 14 drives the valve rod 15 to rotate, and then the ball body 6 is driven to rotate, so that opening or closing of a valve flow channel can be achieved, and control over a pipeline is conducted.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A multiple elastic sealing pneumatic high-pressure ball valve comprises a valve body, a valve seat (4), a ball body (6) embedded in the valve seat (4) and a valve rod (15) connected with the ball body (6), it is characterized in that the upper end of the valve rod (15) is connected with a pneumatic control device (14), the outer side of the valve rod (15) is sleeved with a material cavity, the pneumatic control device (14) is connected with the outer wall of the material cavity through a support (19), the upper end of the material cavity is buckled with a packing gland (16), the interior of the material cavity is sequentially filled with a packing pressure ring (13), a V-shaped upper packing (12), a V-shaped middle packing (11) and a V-shaped lower packing (10) from top to bottom, two ends of the valve seat (4) are provided with butterfly adjusting springs (2), a valve seat sealing ring (5) is embedded at the joint of the ball body (6) and the valve seat (4), and the periphery of the inner wall of the valve seat (4) is connected with an O-shaped sealing ring (3).

2. The multiple-elastic-sealing pneumatic high-pressure ball valve according to claim 1, wherein the valve body comprises a main body (1) and an auxiliary body (23), the main body (1) and the auxiliary body (23) are in threaded connection through a second bolt (20) and a second nut (21), and a sealing gasket (22) is embedded at the joint of the main body (1) and the auxiliary body (23).

3. The multiple-elastic sealing pneumatic high-pressure ball valve according to claim 1, characterized in that a spacer (9) is arranged at the bottom of the material cavity, and a sealing gasket (8) is connected to the bottom of the spacer (9).

4. Multiple elastic sealing pneumatic high-pressure ball valve according to claim 1, characterized in that the outer wall of the valve rod (15) is further provided with a valve rod sealing gasket (7).

5. The multiple-elastic-seal pneumatic high-pressure ball valve according to claim 1, wherein both ends of the packing gland (16) are in threaded connection with the material cavity through a first bolt (17) and a first nut (18).

6. The multiple-elastic-seal pneumatic high-pressure ball valve according to claim 1, wherein the valve body is of forged construction in its entirety.