CN216618621U - High-performance forced sealing track ball valve - Google Patents
High-performance forced sealing track ball valve Download PDFInfo
- Publication number
- CN216618621U CN216618621U CN202123378925.4U CN202123378925U CN216618621U CN 216618621 U CN216618621 U CN 216618621U CN 202123378925 U CN202123378925 U CN 202123378925U CN 216618621 U CN216618621 U CN 216618621U
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- China
- Prior art keywords
- ball valve
- valve
- track ball
- cavity
- valve rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a high-performance forced sealing track ball valve which comprises a track ball valve body, wherein a ball valve cavity is arranged at the bottom of the track ball valve body, a valve cover is fixedly installed at the top of the ball valve cavity, a hand wheel is movably installed at the top of the ball valve cavity, a valve rod is fixedly installed inside the track ball valve body, a cavity is formed in the track ball valve body, and sealing filler is fixedly installed inside the cavity. This high performance forced seal track ball valve, through setting up the track ball valve body, in the closed position, the spheroid receives the mechanical pressure effect of exerting pressure of valve rod, sticiss on the disk seat, when anticlockwise rotation hand wheel, valve rod then reverse motion, its bottom angular form plane makes the spheroid break away from the disk seat, and the valve rod continues to promote to interact with the guide pin in the valve rod helicla flute, make the spheroid begin to rotate frictionlessly, until to the position of opening entirely, the valve rod promotes extreme position, and the spheroid is rotatory to the position of opening entirely.
Description
Technical Field
The utility model relates to the technical field of track ball valves, in particular to a high-performance forced sealing track ball valve.
Background
The ball valve is a float ball valve, the ball body of the ball valve is floating, under the action of medium pressure, the ball body can produce a certain displacement and tightly press on the sealing surface of outlet end to ensure that the outlet end is sealed.
The track ball valve is a ball valve with a special structure, because the opening and closing process of the track ball valve is frictionless under the severe working condition of high or low temperature, and the reliability of sealing can be still ensured, therefore, the track ball valve is more and more widely applied in the field of chemical engineering, particularly in the occasions needing quick switching and high and low temperature alternation, but the existing track ball valve has the advantages of simple structure, convenient use, frictionless opening and closing process, zero leakage when in turn-off and the like, but because the problems of material leakage and valve rod flying out existing in the process of online filler replacement can not be solved by the track ball valve, the filler replacement process must be carried out in the state of closing the ball valve, and much inconvenience is brought to actual production, therefore, a high-performance forced sealing track ball valve is necessary to be provided to solve the problems mentioned above.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the high-performance forced sealing track ball valve which has the advantages of being convenient for the track ball valve to replace the filler on line, enabling the valve rod to keep stable and the like, and solves the problems of material leakage and valve rod flying out when the track ball valve replaces the filler on line.
In order to realize the purposes of facilitating the online replacement of the packing of the track ball valve and keeping the valve rod stable, the utility model provides the following technical scheme: the high-performance forced sealing track ball valve comprises a track ball valve body, wherein a ball valve cavity is arranged at the bottom of the track ball valve body, a valve cover is fixedly arranged at the top of the ball valve cavity, a hand wheel is movably arranged at the top of the ball valve cavity, a valve rod is fixedly arranged inside the track ball valve body, a valve rod anti-falling boss is arranged at the lower end of the valve rod, a cavity is formed in the track ball valve body, and sealing filler is fixedly arranged inside the cavity;
the ball valve is characterized in that a ball body is movably arranged in the ball valve cavity, balls are arranged on the top of the ball body in parallel, a valve seat is fixedly arranged in the ball valve cavity, and an annular sealing gasket is arranged on the outer surface of the ball body.
Furthermore, a packing pressing plate, a lower bushing and a packing pressing sleeve are arranged inside the track ball valve body, and the sealing packing is fixed between the packing lower bushing and the packing pressing sleeve through the downward pressing of the packing pressing plate.
Further, the ball valve body adopts nickel base carbide build-up welding to form, the ball valve body is provided with the valve, the valve possesses two-way leakproofness, the inside fixed mounting of track ball valve body has the case, the sealed face of case and disk seat is all metal seal structure.
Further, the inside of track ball valve body is provided with valve rod guide pin and valve rod and cuts off.
Further, a valve rod nut is fixedly installed at the top of the valve cover, and a circuit is formed among the valve rod nut, the valve cover, the track ball valve body and the valve core and is continuously conducted.
Further, flexible graphite packing is arranged at the position of the sealing packing.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
according to the high-performance forced sealing track ball valve, the track ball valve body is arranged, when the track ball valve is in a closed position, a ball body is pressed tightly on a valve seat under the action of mechanical pressure of a valve rod, when a hand wheel is rotated anticlockwise, the valve rod moves in a reverse direction, the ball body is separated from the valve seat through an angular plane at the bottom of the valve rod, the valve rod is continuously lifted and interacts with a guide pin in a spiral groove of the valve rod, the ball body starts to rotate without friction until the valve rod is lifted to a limit position, and the ball body rotates to a full-open position; when the valve is closed, the hand wheel is rotated clockwise, the valve rod begins to descend, the ball body leaves the valve seat and begins to rotate, the hand wheel is continuously rotated, the valve rod is acted by the guide pin embedded in the spiral groove of the valve rod, the valve rod and the ball body rotate ninety degrees simultaneously, when closing, the ball rotates ninety degrees without contacting the valve seat, the angular plane at the bottom of the valve rod mechanically wedges to press the ball tightly on the valve seat to achieve a completely sealed state after the last several turns of the hand wheel rotation, meanwhile, in use, in order to improve the reliability, the safety and the sealing capability of the valve and reduce the failure rate, the air tightness of the low pressure of the valve is realized without depending on a valve seat spring, and, the position of valve rod and valve ball is controlled by the cooperation that valve rod guide pin and valve rod cut off, and for guaranteeing the stability of valve operation, the valve rod guide pin is two guide pins, and the valve rod guide pin can be dismantled and change from the outside moreover.
Drawings
FIG. 1 is a schematic structural view of an orbital ball valve of the present invention;
FIG. 2 is a front view of the orbital ball valve of the present invention;
FIG. 3 is an enlarged view of the ball valve chamber structure of the present invention.
In the figure: the ball valve comprises a track ball valve body 1, a valve cover 2, a ball valve cavity 3, a hand wheel 4, a valve rod 5, a cavity 6, a sealing filler 7, a roller 8, an alloy bushing 9, a valve seat 10, a ball body 11, an annular sealing washer 12 and a valve rod anti-falling boss 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the high-performance forced sealing track ball valve in the embodiment includes a track ball valve body 1, a ball valve cavity 3 is arranged at the bottom of the track ball valve body 1, a valve cover 2 is fixedly installed at the top of the ball valve cavity 3, a hand wheel 4 is movably installed at the top of the ball valve cavity 3, a valve rod 5 is fixedly installed inside the track ball valve body 1, a valve rod anti-falling boss 13 is arranged at the lower end of the valve rod 5, a cavity 6 is formed inside the track ball valve body 1, and a sealing filler 7 is fixedly installed inside the cavity 6;
the ball valve comprises a ball valve cavity 3, a ball 11 is movably mounted inside the ball valve cavity 3, balls 8 are arranged on the tops of the balls 11 in parallel, a valve seat 10 is fixedly mounted inside the ball valve cavity 3, and an annular sealing gasket 12 is arranged on the outer surface of the ball 11.
When in implementation, the method comprises the following steps:
1) firstly, at a closing position, the ball body 11 is pressed tightly on the valve seat 10 under the mechanical pressure action of the valve rod 5, when the hand wheel 4 is rotated anticlockwise, the valve rod 5 moves reversely, the angular plane at the bottom of the valve rod enables the ball body to be separated from the valve seat 10, and the valve rod 5 is lifted continuously;
2) then the ball body 11 starts to rotate without friction under the interaction with a guide pin in a spiral groove of the valve rod 5 until the full-open position is reached, the valve rod 5 is lifted to the limit position, and the ball body 11 rotates to the full-open position;
3) when the valve is closed, the hand wheel 4 is rotated clockwise, the valve rod 5 begins to descend, the ball body 11 is separated from the valve seat 10 and begins to rotate, the hand wheel 4 is rotated continuously, and the valve rod 5 and the ball body 11 rotate ninety degrees simultaneously under the action of the guide pin embedded in the spiral groove of the valve rod 5;
4) finally, when closing is imminent, the ball 11 has rotated ninety degrees without contact with the valve seat 10, and the angular plane at the bottom of the valve stem 5 mechanically wedges against the ball 11 over the last few turns of the hand wheel 4, pressing it tightly against the valve seat 10, to a completely sealed condition.
In conclusion, according to the high-performance forced sealing track ball valve, by arranging the track ball valve body 1, in the closed position, the ball body 11 is pressed tightly on the valve seat 10 under the mechanical pressing action of the valve rod 5, when the hand wheel 4 is rotated anticlockwise, the valve rod 5 moves reversely, the angular plane at the bottom of the valve rod enables the ball body to be separated from the valve seat 10, the valve rod 5 is lifted continuously and interacts with the guide pin in the spiral groove of the valve rod 5, the ball body 11 starts to rotate without friction until the valve rod 5 is lifted to the full-open position, and the ball body 11 rotates to the full-open position; when the valve is closed, the hand wheel 4 is rotated clockwise, the valve rod 5 begins to descend, the ball body 11 is enabled to leave the valve seat 10 and begins to rotate, the hand wheel 4 continues to rotate, the valve rod 5 is under the action of the guide pin embedded in the spiral groove of the valve rod 5, the valve rod 5 and the ball body 11 rotate ninety degrees simultaneously, when the valve is closed, the ball body 11 rotates ninety degrees under the condition of no contact with the valve seat 10, the last circles of the rotation of the hand wheel 4, the angular plane at the bottom of the valve rod 5 is mechanically wedged to press the ball body 11 to be tightly pressed on the valve seat 10 to achieve a completely sealed state, meanwhile, in use, in order to improve the reliability, the safety and the sealing capacity of the valve and reduce the failure rate, the air tightness of the low pressure of the valve is realized without depending on a valve seat spring, in addition, the position of the valve rod 5 is controlled by the cut-off matching of the valve rod guide pin and the valve rod, in order to ensure the stability of the operation of the valve, the valve rod guide pin is a double guide pin, and the valve stem guide pin can be externally removed and replaced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. High performance forced seal track ball valve, including track ball valve body (1), its characterized in that: a ball valve cavity (3) is arranged at the bottom of the track ball valve body (1), a valve cover (2) is fixedly mounted at the top of the ball valve cavity (3), a hand wheel (4) is movably mounted at the top of the ball valve cavity (3), a valve rod (5) is fixedly mounted in the track ball valve body (1), a valve rod anti-falling boss (13) is arranged at the lower end of the valve rod (5), a cavity (6) is formed in the track ball valve body (1), and a sealing filler (7) is fixedly mounted in the cavity (6);
the ball valve is characterized in that a ball body (11) is movably mounted inside the ball valve cavity (3), balls (8) are arranged on the top of the ball body (11) in parallel, a valve seat (10) is fixedly mounted inside the ball valve cavity (3), and an annular sealing gasket (12) is arranged on the outer surface of the ball body (11).
2. A high performance positive seal orbital ball valve as claimed in claim 1 wherein: the track ball valve is characterized in that a packing pressing plate, a lower bushing and a packing pressing sleeve are arranged inside the track ball valve body (1), and the sealing packing (7) is fixed between the packing lower bushing and the packing pressing sleeve through the downward pressing of the packing pressing plate.
3. A high performance positive seal orbital ball valve as claimed in claim 1 wherein: the ball valve is characterized in that the ball valve body (1) is formed by nickel-based hard alloy surfacing, a valve is arranged on the ball valve body (1), the valve is provided with bidirectional sealing performance, a valve core is fixedly arranged inside the track ball valve body (1), and the sealing surface of the valve core and the sealing surface of the valve seat are all-metal sealing structures.
4. A high performance positive seal orbital ball valve according to claim 3 characterized in that: the track ball valve is characterized in that a valve rod guide pin and a valve rod cut-off are arranged inside the track ball valve body (1).
5. A high performance positive seal orbital ball valve according to claim 3 characterized in that: and a valve rod nut is fixedly installed at the top of the valve cover (2), and a circuit is formed among the valve rod nut, the valve cover (2), the track ball valve body (1) and the valve core and is continuously conducted.
6. A high performance positive seal orbital ball valve according to claim 1 or 3 characterized in that: and a flexible graphite filler is arranged at the position of the sealing filler (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123378925.4U CN216618621U (en) | 2021-12-30 | 2021-12-30 | High-performance forced sealing track ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123378925.4U CN216618621U (en) | 2021-12-30 | 2021-12-30 | High-performance forced sealing track ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618621U true CN216618621U (en) | 2022-05-27 |
Family
ID=81685541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123378925.4U Expired - Fee Related CN216618621U (en) | 2021-12-30 | 2021-12-30 | High-performance forced sealing track ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618621U (en) |
-
2021
- 2021-12-30 CN CN202123378925.4U patent/CN216618621U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |