CN211449734U - Can restore sealed worm wheel ball valve on line - Google Patents
Can restore sealed worm wheel ball valve on line Download PDFInfo
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- CN211449734U CN211449734U CN202020123492.4U CN202020123492U CN211449734U CN 211449734 U CN211449734 U CN 211449734U CN 202020123492 U CN202020123492 U CN 202020123492U CN 211449734 U CN211449734 U CN 211449734U
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Abstract
The utility model belongs to the technical field of the ball valve, especially, can restore sealed worm wheel ball valve on line, including the valve main part, be fixed with the auxiliary body through bolt, nut in the valve main part, the inside seal of valve main part installs the spheroid, the top of spheroid is provided with fixed cooperation has the valve rod, the upper end fixed cooperation of valve rod has the worm wheel, the bottom of spheroid installs the lower cover through sealed adjusting bolt, lower cover and valve main part pass through hexagon socket head cap screw fixed connection, be provided with fourth O type circle between spheroid and the valve main part, the top cooperation of auxiliary body is installed and is annotated the fat valve, the lower extreme of annotating the fat valve extends to fourth O type circle department, be provided with anti-static spring between valve rod and the spheroid, the top of valve main part is fixed with the support, the top of support is installed the worm wheel; the utility model discloses a can restore seal structure on line. When the original seal fails, the whole valve is sealed by injecting sealing grease.
Description
Technical Field
The utility model relates to a ball valve technical field especially relates to but online restoration sealing worm wheel ball valve, extensively is used for trades such as petroleum, chemical industry, electric power, metallurgy, food, medicine, gently spin, papermaking, and the medium is the special valve of cutting off medium and intercommunication medium on various medium industrial pipe networks such as coal gas, air, steam, water, sea water, oil.
Background
The pipeline control system is used for effectively solving the defects of high pressure and large space position of a common ball valve body when a space device is installed in an industrial pipeline network of industrial departments such as petroleum, chemical industry, electric power, metallurgy, food, medicine, light textile, paper making and the like in China, and efficiently controlling pipelines. Traditional ball valve, it is inconvenient not to endure high pressure and combination, and the dismouting is very inconvenient, and cost of maintenance is high, is difficult to control, can not online repair sealed.
In order to solve the problems, the application provides a sealing worm-gear ball valve capable of being repaired on line.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For the technical problem who exists among the solution background art, the utility model provides a but online restoration seal worm wheel ball valve has the characteristics that can online restoration seal structure.
(II) technical scheme
For solving the problem, the utility model provides a but online restoration sealing worm wheel ball valve, including the valve main part, be fixed with vice body through bolt, nut in the valve main part, the spheroid is installed to the inside seal of valve main part, spheroidal top is provided with fixed coordination and has the valve rod, the upper end fixed coordination of valve rod has the worm wheel, the lower cover is installed through sealed adjusting bolt in spheroidal bottom, the lower cover passes through hexagon socket head cap bolt fixed connection with the valve main part, be provided with fourth O type circle between spheroid and the valve main part, the top cooperation of vice body is installed and is annotated the fat valve, the lower extreme of annotating the fat valve extends to fourth O type circle department, be provided with between valve rod and the spheroid and prevent static spring, the top of valve main part is fixed with the support, the worm wheel is installed at the top of support. The whole ball valve adopts a forging structure, the strength of the whole ball valve is ensured, and the length of the whole ball valve is only 2/3 of a common ball valve;
preferably, a stuffing box is arranged at the top of the valve main body, a stuffing pressing sleeve is arranged at the top of the stuffing box, and a stuffing pressing plate is fixed at the top of the stuffing pressing sleeve.
Preferably, an adjusting spring is arranged between the outer wall of the ball body and the auxiliary body.
Preferably, the outer wall and the inner wall of the stuffing box are provided with fifth O-shaped sealing rings, the lower end of the stuffing box is provided with an upper sealing gasket, and the joint of the lower part of the outer wall of the stuffing box and the ball body is provided with an edge sealing gasket.
Preferably, a third O-shaped sealing ring is arranged at the joint of the upper part of the inner wall of the auxiliary body and the valve main body, a second O-shaped sealing ring is arranged at the joint of the auxiliary body and the ball body, a first O-shaped sealing ring is arranged at the joint of the valve main body and the lower part of the outer wall of the auxiliary body, and a lower sealing gasket is arranged on the upper part of the outer wall of the valve main body.
Preferably, the outer wall of the valve body is provided with a plug screw.
The above technical scheme of the utility model has following profitable technological effect:
1. the whole ball valve adopts a forging structure, the strength of the whole ball valve is ensured, the length of the whole ball valve is only 2/3 of a common ball valve, a large amount of cost is saved, the installation is simple and convenient, and the ball valve can be installed at any position in a pipeline in any direction;
2. the sealing performance of the ball valve under a high-pressure working condition is guaranteed by adopting a triple combined structure of a protective sealing gasket, reinforced PPL (polypropylene random) synthetic sealing filler and an O-shaped sealing ring. The sealing reliability and the long service life are ensured. The fluid resistance is small, the switch is rapid and convenient, and the ball valve completes full opening or full closing action as long as the valve rod rotates 90 degrees, so that the rapid opening and closing is realized;
3. an anti-static structure is adopted to prevent static electricity from being generated in the working process and protect the safety of the pipeline;
4. the valve seat sealing structure of the adjusting spring is adopted, so that the long-term reliable sealing of the ball valve can be ensured;
5. and the sealing structure can be repaired on line. When the original seal fails, the whole valve is sealed by injecting sealing grease.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numbers in the figures: 1, a valve main body; 2, bolts; 3, a nut; 4, a pair of bodies; 5, a lower sealing gasket; 6 a first O-shaped sealing ring; 7, a sphere; 8, a second O-shaped sealing ring; 9 a third O-shaped sealing ring; 10 a fourth O-shaped sealing ring; 11 adjusting the spring; 12 a valve stem; 13, sealing a gasket; 14 edge gaskets; 15 a fifth O-ring seal; 16 stuffing boxes; 17 a filler; 18, packing and pressing; 19 a packing press plate; 20 a support; 21 a worm gear; 22 a grease injection valve; 23 an anti-static spring; 24 screw plugs; 25, a lower cover; 26 hexagon socket head cap screw; the adjusting screw is sealed 27.
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 can restore sealed worm wheel ball valve on line, including valve main part 1, through bolt 2 on the valve main part 1, nut 3 is fixed with auxiliary body 4, the inside seal of valve main part 1 installs spheroid 7, the top of spheroid 7 is provided with fixed coordination and has valve rod 12, the upper end fixed coordination of valve rod 12 has worm wheel 21, lower cover 25 is installed through sealed adjusting bolt 27 in the bottom of spheroid 7, lower cover 25 passes through hexagon socket head cap screw 26 fixed connection with valve main part 1, be provided with fourth O type circle 10 between spheroid 7 and the valve main part 1, annotate fat valve 22 is installed in auxiliary body 4's top cooperation, the lower extreme of annotating fat valve 22 extends to fourth O type circle 10 department, be provided with between valve rod 12 and the spheroid 7 and prevent static spring 23, the top of valve main part 1 is fixed with support 20, worm wheel 21 is installed at support 20's top. The whole adopts the forging structure, guarantees holistic intensity, and the length of whole ball valve only has 2/3 of ordinary ball valve.
In this embodiment, a stuffing box 16 is disposed on the top of the valve body 1, a stuffing pressing sleeve 18 is disposed on the top of the stuffing box 16, and a stuffing pressing plate 19 is fixed on the top of the stuffing pressing sleeve 18.
In this embodiment, an adjusting spring 11 is provided between the outer wall of the ball 7 and the sub-body 4.
In this embodiment, it should be noted that the outer wall and the inner wall of the stuffing box 16 are both provided with a fifth O-ring 15, the lower end of the stuffing box 16 is provided with an upper gasket 13, and the joint between the lower part of the outer wall of the stuffing box 16 and the sphere 7 is provided with a side gasket 14.
In this embodiment, a third O-ring 9 is disposed at a joint between the upper portion of the inner wall of the sub-body 4 and the valve main body 1, a second O-ring 8 is disposed at a joint between the sub-body 4 and the ball 7, a first O-ring 6 is disposed at a joint between the valve main body 1 and the lower portion of the outer wall of the sub-body 4, and a lower seal 5 is disposed at an upper portion of the outer wall of the valve main body 1.
In this embodiment, a plug screw 24 is attached to an outer wall of the valve body 1.
The embodiment of the utility model provides an in the scheme, through worm wheel 21, drive valve rod 12, rotary sphere 7 just so can realize opening or closing of valve flow channel to carry out the control to the pipeline. The static electricity of the whole valve is effectively protected by the static-proof spring 12, and when the original seal of the fourth O-shaped ring 10 fails, the whole valve is sealed by injecting the sealing grease through the grease injection valve 22.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Can repair sealed worm wheel ball valve on line, including valve main part (1), be fixed with auxiliary body (4) through bolt (2), nut (3) on valve main part (1), the inside seal of valve main part (1) installs spheroid (7), its characterized in that, the top of spheroid (7) is provided with fixed coordination and has valve rod (12), the upper end fixed coordination of valve rod (12) has worm wheel (21), lower cover (25) is installed through sealed adjusting bolt (27) in the bottom of spheroid (7), lower cover (25) and valve main part (1) pass through hexagon socket head cap screw (26) fixed connection, be provided with fourth O type circle (10) between spheroid (7) and valve main part (1), annotate fat valve (22) is installed in the top cooperation of auxiliary body (4), the lower extreme of annotating fat valve (22) extends to fourth O type circle (10) department, an anti-static spring (23) is arranged between the valve rod (12) and the ball body (7), a support (20) is fixed at the top of the valve main body (1), and a worm wheel (21) is installed at the top of the support (20).
2. The online repairable sealing worm-gear ball valve according to claim 1, wherein a stuffing box (16) is arranged on the top of the valve body (1), a stuffing pressing sleeve (18) is arranged on the top of the stuffing box (16), and a stuffing pressing plate (19) is fixed on the top of the stuffing pressing sleeve (18).
3. The online repairable sealing worm-gear ball valve according to claim 2, characterized in that an adjusting spring (11) is arranged between the outer wall of the ball body (7) and the secondary body (4).
4. The online repairable sealing worm-gear ball valve according to claim 3, wherein the outer wall and the inner wall of the stuffing box (16) are provided with a fifth O-shaped sealing ring (15), the lower end of the stuffing box (16) is provided with an upper sealing gasket (13), and the joint of the lower part of the outer wall of the stuffing box (16) and the ball body (7) is provided with a side sealing gasket (14).
5. The online repairable sealing worm-gear ball valve according to claim 4, wherein a third O-shaped sealing ring (9) is arranged at the joint of the upper part of the inner wall of the auxiliary body (4) and the valve main body (1), a second O-shaped sealing ring (8) is arranged at the joint of the auxiliary body (4) and the ball body (7), a first O-shaped sealing ring (6) is arranged at the joint of the valve main body (1) and the lower part of the outer wall of the auxiliary body (4), and a lower sealing gasket (5) is arranged at the upper part of the outer wall of the valve main body (1).
6. The online repairable sealing worm-gear ball valve according to claim 5, wherein the outer wall of the valve body (1) is provided with a plug screw (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123492.4U CN211449734U (en) | 2020-01-19 | 2020-01-19 | Can restore sealed worm wheel ball valve on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123492.4U CN211449734U (en) | 2020-01-19 | 2020-01-19 | Can restore sealed worm wheel ball valve on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449734U true CN211449734U (en) | 2020-09-08 |
Family
ID=72315173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123492.4U Active CN211449734U (en) | 2020-01-19 | 2020-01-19 | Can restore sealed worm wheel ball valve on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211449734U (en) |
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2020
- 2020-01-19 CN CN202020123492.4U patent/CN211449734U/en active Active
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