CN1936394A - Adjusting mechanism of high-temperature ball valve - Google Patents
Adjusting mechanism of high-temperature ball valve Download PDFInfo
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- CN1936394A CN1936394A CN 200610117218 CN200610117218A CN1936394A CN 1936394 A CN1936394 A CN 1936394A CN 200610117218 CN200610117218 CN 200610117218 CN 200610117218 A CN200610117218 A CN 200610117218A CN 1936394 A CN1936394 A CN 1936394A
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Abstract
This invention discloses an adjusting unit for high temperature ball valves, which is set on the valve body including an adjusting body with adjustable open sphere placed in the valve body and adjacent to the valve core, an adjusting valve rod on the body, the inner end of which is connected with the adjusting body and the outer end passes through the valve body and a locating unit locating the valve rod is circumferentially set between the rod and the body.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the controlling mechanism of a kind of high-temperature ball valve, particularly high-temperature ball valve.
Background technique
In high temperature pipelines such as chemical industry pipeline,, high-temperature ball valve is set in pipeline gets final product in order to control the flow of fluid.But the structure of common high-temperature ball valve is the spool that is contained in the valve body, and spool links to each other with valve rod, and the outer end of valve rod passes valve body and links to each other with handle.When needing the regulated fluid flow, pull handle and get final product, that is to say, the rotation angle of control spool, thereby the unlatching scope of change spool by valve rod drive valve core rotation.Though it can reach the purpose of regulating flow, normally adopt the seal ring sealing between spool and the valve body, may premature damage when spool is opened certain limit in the effect lower seal of high temperature fluid medium, thus influence the normal use of ball valve.
At the problems referred to above, people have designed various adjustable ball valves, " double propulsion high temperature ball valve " that provides as China Patent No. 200510004933.9, it comprises a spool that is positioned at valve body, be provided with seal ring between the entrance point of spool and valve body, the other end of spool is provided with a ball valve hold-down mechanism, hold-down mechanism is by pin, retainer ring, wedge is formed, pin is loaded in the valve body and its outer end passes valve body and links to each other with handle, retainer ring contacts with the opposite side that contacts with seal ring of spool, one end and the retainer ring of wedge are fixed together, the interior end in contact of the other end and pin.When pin moves down, will push wedge and retainer ring is pressed on the spool, make spool being resisted against on the seal ring tightly, thereby improved sealability and made spool can directly not contact, improve the working life of ball valve with valve body.
But above-mentioned ball valve is in the process of regulating flow, and high temperature fluid is subjected to can acting on the seal ring after stopping of spool, makes seal ring damage easily.As can be seen, it has just increased its sealability, and its working life, short problem did not still improve.
Existing other high-temperature ball valve also exists similar problem.
Summary of the invention
The objective of the invention is at existing in prior technology the problems referred to above, provide a kind of controlling mechanism of high-temperature ball valve to make high-temperature ball valve have long service life, characteristics that working stability is high.
Purpose of the present invention can realize by following technical proposal: a kind of controlling mechanism of high-temperature ball valve, be arranged on the valve body of ball valve, it is characterized in that, it comprises an adjacent and adjustable control agent of its unlatching scope of spool that is positioned at valve body and ball valve, regulating valve stem also is housed on the valve body, the inner of regulating valve stem links to each other with control agent, and the outer end of regulating valve stem passes valve body.
In being provided with the high-temperature ball valve of this controlling mechanism, ball valve can be opened or close fully fully, and the flow of regulated fluid is realized by controlling mechanism.Particularly, when needing to control its flow behind the ball valve complete opening, handle is connected on the regulating valve stem, pull handle and drive the control agent rotation by regulating valve stem, control agent rotates its unlatching scope of back and can change, thereby has controlled the fluid flow of the high-temperature ball valve of flowing through.
In the controlling mechanism of above-mentioned high-temperature ball valve, described control agent is by last disk body in the form of annular discs and following disk body, and the adjustment sheet composition that is tile that is connected disk body and lower wall end of body edge, and above-mentioned regulating valve stem and last disk body link together.Control agent makes its location by last disk body and following disk body after being contained in the valve body, and control agent adjustment sheet on it in rotation process is also being followed and is being rotated, change has just taken place in the gap that adjustment sheet rotates back it and valve inner, change has taken place in the unlatching scope that is control agent, thereby can realize controlling the purpose of its flow.
In the controlling mechanism of above-mentioned high-temperature ball valve, also be provided with strut in the described control agent, the two ends of strut are connected in the end of disk body and following disk body respectively.Because last disk body is to be connected by the adjustment sheet that is connected in both end edge with following disk body.Therefore, its intensity is not high.Strut is set just can avoids the problems referred to above, the intensity that can increase control agent by such structure makes it be difficult for being damaged.
In the controlling mechanism of above-mentioned high-temperature ball valve, be provided with between the outer end of described regulating valve stem and the valve body and make the circumferentially positioning means of location of regulating valve stem.Positioning means can be fixed regulating valve stem, makes it can be around its axial rotation.Obviously, the control agent that links to each other with regulating valve stem can not rotate yet.That is to say, the unlatching scope of control agent is fixed by this positioning means.
In the controlling mechanism of above-mentioned high-temperature ball valve, described positioning means is the positioning disk that is connected on the valve body, circumferential uniform several positioning holes on the positioning disk, positioning rod is being connected on the described regulating valve stem, spring and ball are housed in the positioning rod, the two ends of spring act on respectively on positioning rod and the ball, and ball partly stretches out positioning rod and positioning rod, and to rotate the ball of back on it corresponding with the position of each positioning hole, and the spacing between positioning rod and the positioning disk is less than the diameter of ball.
Pull in the rotation process that handle makes regulating valve stem, positioning rod is also along with rotation.When positioning rod turns to ball on it corresponding to the position of positioning hole, ball is embedded in the positioning hole of positioning disk.Because the top of ball is embedded in the positioning rod, its bottom is embedded in the positioning hole of positioning disk, so just makes positioning rod not to be rotated further.Obviously, positioning rod can not rotate, and regulating valve stem can not rotate, and the control agent that is fixed together with regulating valve stem can not rotate, thereby the unlatching scope of control agent is fixed.
Certainly, after applying certain big power and pulling handle, can make ball overcome the elastic force of spring and from positioning hole, shift out, make regulating valve stem can drive control agent and rotate.When positioning rod turned to ball on it corresponding to another positioning hole on the positioning disk, cylinder embedded in this positioning hole under the effect of spring, and positioning rod can not be rotated, thereby the unlatching scope of control agent is fixed.Because the positioning hole of the every embedding of ball in the positioning rod, the unlatching scope of control agent is all different, therefore, has so just regulated the unlatching scope of control agent easily.
In the controlling mechanism of above-mentioned high-temperature ball valve, all there is Digital ID at each positioning hole place of described positioning disk.Can get information about the unlatching scope of control agent by the Digital ID operator.
In the controlling mechanism of above-mentioned high-temperature ball valve, described positioning disk is provided with two spacing heads, and spacing head is positioned at the hunting range of above-mentioned positioning rod.Usually, spacing head is limited in the hunting range of positioning rod in the 90 degree scopes, and control agent only needs to rotate in 90 degree scopes in adjustment process.Therefore, just avoided control agent to rotate excessive amplitude by such structure, easy-to-operat person practical operation has also prolonged working life of controlling mechanism.
Compared with prior art, the controlling mechanism of this high-temperature ball valve is owing to be realize to open and close by ball valve, and by the fluid flow of controlling mechanism control flows through valve body.The fluid pressure difference at ball valve core place is less, makes the damage that seal ring between spool and the valve body can be not too early.Therefore, it is longer that the controlling mechanism of this high-temperature ball valve can make the working life of high-temperature ball valve.
Simultaneously, because spool is only realized two states of opening and closing in the high-temperature ball valve, regulate flow and realize by controlling mechanism.Therefore, not high to the operating frequency of spool, obviously the spool wearing and tearing are less, the feasible high-temperature ball valve longer service life that has this controlling mechanism, and stability is higher.
Description of drawings
Fig. 1 is the structural representation of high-temperature ball valve that the controlling mechanism of this high-temperature ball valve is housed.
Fig. 2 is the structural representation that controlling mechanism place that this high-temperature ball valve is housed is connecting handle.
Fig. 3 is that A along Fig. 1 is to view.
Fig. 4 is a control agent cross-sectional view in the controlling mechanism of this high-temperature ball valve.
Fig. 5 is the plan structure schematic representation along Fig. 4.
Among the figure, 1, valve body; 2, spool; 3, valve rod; 4, handle; 5, control agent; 51, go up disk body; 52, following disk body; 53, adjustment sheet; 54, strut; 6, regulating valve stem; 7, positioning disk; 71, positioning hole; 8, positioning rod; 9, ball; 10, spring; 11, spacing head.
Embodiment
As depicted in figs. 1 and 2, the controlling mechanism of this high-temperature ball valve is arranged on the ball valve, by the fluid flow of its adjustable through high-temperature ball valve.
This controlling mechanism comprises a control agent 5 and regulating valve stem 6.Control agent 5 is loaded in the valve body 1, and the spool 2 of it and ball valve is adjacent, and control agent 5 is gone up disk body 51 and following disk body 52 by concentric discoidal of identical its upper-lower position of external diameter, and is connected adjustment sheet 53 compositions between disk body 51 and the following disk body 52.Adjustment sheet 53 is connected on disk body 51 and following disk body 52 end edge, and it is tile, sees Fig. 4 and shown in Figure 5.In the present embodiment,, between last disk body 51 and following disk body 52, be provided with strut 54 in order to increase the intensity of control agent 5.
As depicted in figs. 1 and 2, regulating valve stem 6 is positioned at valve body 1, and the last disk body 51 of its inner and control agent 5 is fixed together, and its outer end passes valve body 1 and links together with handle 4.In the present embodiment, the employed handle 4 of employed handle 4 of ball valve and controlling mechanism is same handle, when needs are operated ball valve, handle 4 is connected on the valve rod 3 that links to each other with spool 2, pulls handle 4 then and gets final product; Same, when needs are operated controlling mechanism, the handle 4 that is connected on the valve rod 3 is pulled down, and its outer end that is contained in regulating valve stem 6 is got final product.
When the needs operation has the high-temperature ball valve of this controlling mechanism, pull the handle 4 that is connected on the valve rod 3 earlier, make spool 2 rotations and be in the complete opening state.Then handle 4 is pulled down from valve rod 3 and be loaded on the regulating valve stem 6, pull handle 4 and drive control agent 5 rotations by regulating valve stem 4, control agent 5 rotates the adjustment sheet 53 and space change valve body 1 inner chamber between of back on it, and the gap after the different angle of control agent 5 rotations between itself and valve body 1 inner chamber is also different.That is to say, controlled the flow of fluid by this ball valve.
Obviously, said structure makes the concrete unlatching scope of control agent 5 be difficult to determine to have only by operator's experience and come specific operation, and if the flow of the high-temperature ball valve of flowing through when big, its bigger pressure also can change the unlatching scope of control agent 5.Therefore, a positioning means is set between regulating valve stem 5 that passes valve body 1 and valve body 1 in this controlling mechanism, it can make regulating valve stem 5 can access circumferential location.Like this, by the positioning means people unlatching scope of regulating and controlling body intuitively just, also make control agent 5 can under the effect of flowing medium, its unlatching scope not change simultaneously, as shown in Figure 3.
Positioning means comprises positioning disk 7, positioning rod 8, spring 10 and ball 9.
Positioning disk 7 is in the form of annular discs, and it is connected on the valve body 1, circumferential uniform several positioning holes 71 on the positioning disk 7.
When pulling handle 4 by 5 rotations of regulating valve stem 6 drive control agents, positioning rod 8 is also along with rotation, after positioning rod 8 rotates and when the ball on the positioning rod 89 is corresponding with positioning hole 71 positions on the positioning disk 7, under the effect of spring 10, make ball 9 be embedded in the positioning hole 71 of positioning disk 7, because the top of ball 9 is embedded in the positioning rod 8.Therefore, so just positioning rod 8 is fixed, just made regulating valve stem 6 also be fixed certainly, the unlatching scope of control agent 5 also just has been fixed.Fix thereby make by the flow of ball valve.
Apply certain big power and pull handle 4, ball 9 is shifted out from the positioning hole 71 of positioning disk 7.When the ball on the positioning rod 89 during corresponding to another positioning hole 71 on the positioning disk 7, the top and the bottom of ball 9 are embedded in respectively on positioning rod 8 and the positioning disk 7, again the unlatching scope of control agent 5 have been fixed.But different is that the unlatching scope of control agent 5 has changed like this, thereby has changed the flow of fluid by ball valve because control agent rotates certain limit 5 this moments.
In the present embodiment, can stable operation in order to make controlling mechanism, on positioning disk 7, be provided with two spacing 11, above-mentioned positioning rod 8 is between this two spacing 11, and spacing the 11 pendulum angle limit with positioning rod 8 is in 90 degree scopes.Certainly, for the unlatching scope of more intuitive understanding controlling mechanism, this controlling mechanism also is provided with Digital ID at each positioning hole 71 places of positioning disk 7.
Claims (7)
1, a kind of controlling mechanism of high-temperature ball valve, be arranged on the valve body (1) of ball valve, it is characterized in that, it comprises an adjacent and adjustable control agent of its unlatching scope (5) of spool (2) that is positioned at valve body (1) and ball valve, regulating valve stem (6) also is housed on the valve body (1), the inner of regulating valve stem (6) links to each other with control agent (5), and the outer end of regulating valve stem (6) passes valve body (1).
2, the controlling mechanism of high-temperature ball valve according to claim 1, it is characterized in that, described control agent (5) is by last disk body (51) in the form of annular discs and following disk body (52), and the adjustment sheet that is tile (53) composition that is connected disk body (51) and following disk body (52) end edge, above-mentioned regulating valve stem (6) links together with last disk body (51).
3, the controlling mechanism of high-temperature ball valve according to claim 2 is characterized in that, also is provided with strut (54) in the described control agent (5), and the two ends of strut (54) are connected in the end of disk body (51) and following disk body (52) respectively.
4, according to the controlling mechanism of claim 1 or 2 or 3 described high-temperature ball valves, it is characterized in that, be provided with between the outer end of described regulating valve stem (6) and valve body it (1) and make the circumferentially positioning means of location of regulating valve stem (6).
5, the controlling mechanism of high-temperature ball valve according to claim 4, it is characterized in that, described positioning means is the positioning disk (7) that is connected on the valve body, positioning disk (7) is gone up circumferential uniform several positioning holes (71), positioning rod (8) is being connected on the described regulating valve stem (6), spring (10) and ball (9) are housed in the positioning rod (8), the two ends of spring (10) act on respectively on positioning rod (8) and the ball (9), ball (9) part is stretched out positioning rod (8) and positioning rod (8), and to rotate the ball (9) of back on it corresponding with the position of each positioning hole (71), and the spacing between positioning rod (8) and the positioning disk (7) is less than the diameter of ball (9).
6, the controlling mechanism of high-temperature ball valve according to claim 5 is characterized in that, each positioning hole (71) of described positioning disk (7) locates all to have Digital ID.
7, the controlling mechanism of high-temperature ball valve according to claim 5 is characterized in that, described positioning disk (7) is provided with two spacing heads (11), and spacing head (11) is positioned at the hunting range of above-mentioned positioning rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610117218 CN1936394A (en) | 2006-10-17 | 2006-10-17 | Adjusting mechanism of high-temperature ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610117218 CN1936394A (en) | 2006-10-17 | 2006-10-17 | Adjusting mechanism of high-temperature ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1936394A true CN1936394A (en) | 2007-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610117218 Pending CN1936394A (en) | 2006-10-17 | 2006-10-17 | Adjusting mechanism of high-temperature ball valve |
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| CN (1) | CN1936394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443793A (en) * | 2014-08-29 | 2016-03-30 | 天津市易泰柯自动控制设备有限公司 | Novel manual ball valve |
| CN105465408A (en) * | 2015-11-25 | 2016-04-06 | 厦门市得尔美卫浴有限公司 | Flow-limiting multi-gear switching device for water outflow end |
-
2006
- 2006-10-17 CN CN 200610117218 patent/CN1936394A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443793A (en) * | 2014-08-29 | 2016-03-30 | 天津市易泰柯自动控制设备有限公司 | Novel manual ball valve |
| CN105465408A (en) * | 2015-11-25 | 2016-04-06 | 厦门市得尔美卫浴有限公司 | Flow-limiting multi-gear switching device for water outflow end |
| CN105465408B (en) * | 2015-11-25 | 2018-08-10 | 厦门市得尔美卫浴有限公司 | A kind of multi gear position current-limiting converter for water outlet |
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Open date: 20070328 |