CN203940032U - A kind of ball valve valve rod - Google Patents
A kind of ball valve valve rod Download PDFInfo
- Publication number
- CN203940032U CN203940032U CN201420404685.1U CN201420404685U CN203940032U CN 203940032 U CN203940032 U CN 203940032U CN 201420404685 U CN201420404685 U CN 201420404685U CN 203940032 U CN203940032 U CN 203940032U
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- Prior art keywords
- valve
- ball
- valve body
- static
- groove
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Abstract
The utility model discloses a kind of ball valve valve rod, comprise linkage portion for being connected with valve rod driving mechanism and the fixing part for being fixedly connected with valve ball, described fixing part and linkage portion are wholely set, the sidewall of one end of the relative linkage portion of described fixing part offers at least one valve body static release groove, described valve body static release groove is equipped with valve body static extractor, described valve body static extractor comprise the valve body of being all located in valve body static release groove draw electric spring with for the valve body conflict ball being connected of conflicting, the two ends that described valve body draws electric spring are connected with diapire and the ball conflict of valve body static release groove respectively, the other end that the relative valve body of described ball draws electric spring protrudes from valve body static release groove, the other end of the relative linkage portion of described fixing part is provided with the release portion for be connected and form static release space with valve ball, described release portion is connected with plunger type valve ball static extractor.This kind of valve rod can effectively be eliminated the static between valve rod and valve body and between valve rod and valve ball.
Description
Technical field
The utility model relates to a kind of parts of open-shut device, and more particularly, it relates to a kind of valve rod of ball valve.
Background technique
Modern word under ball valve, refers to making open-shut device with the spheroid of manhole, and spheroid rotates with valve rod, to realize the valve of switching motion.Ball valve is mainly used to make the flow direction that cuts off, distributes and change medium in pipeline.Valve inside is a steel ball with holes, and surface is very bright and clean, and there is the Sealing of teflon on both sides, with spheroid contact segment be arc surface, produce seal action by the bolt on valve body or female compression of pressure, a straight trough is opened at the top of spheroid, for transmitting the torsion of handle.When valve open, the hole on spheroid and the axis parallel of valve, form a passage; When valve closing, by handle by spheroid half-twist, by carrier frequency channel break.
Existing ball valve generally comprises valve body, valve rod, valve seat and valve ball (steel ball with holes).Valve body offers transfer passage and passage is installed, transfer passage and installation passage intersect, valve ball is arranged on transfer passage and the intersection of passage is installed and center offers diameter and the suitable through hole of transfer passage diameter, valve rod is arranged in installs in passage and one end and valve ball is connected, the other end is conventionally connected with the driving mechanism of the actuate valve stem axial rotation such as spanner etc. or handle, and valve seat is located between valve ball and valve body and valve ball can rotate relative to valve seat.
Ball valve is opening and closing in process, and spheroid and valve seat, owing to there being relative movement, can produce static because of friction, when accumulation of static electricity to a certain extent, under the condition that has spark, just may cause exploding, this is for the occasion special hazard of the inflammable and explosive media such as delivering hydrogen.By ball valve during for delivery of liquid gas etc., when it is during in closed condition, the endoceliac liquid gas of valve body accumulating between valve seat can gasify in a large number because absorbing external heat, causes body intracavity pressure extremely to raise.This phenomenon of extremely boosting may cause valve body blast, or it is external that valve rod is gone out, and leads to a disaster.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of ball valve valve rod, and this kind of valve rod can effectively be eliminated the static between valve rod and valve body and between valve rod and valve ball.
For achieving the above object, the utility model provides following technological scheme:
A kind of ball valve valve rod, comprise linkage portion for being connected with valve rod driving mechanism and the fixing part for being fixedly connected with valve ball, described fixing part and linkage portion are wholely set, the sidewall of one end of the relative linkage portion of described fixing part offers at least one valve body static release groove, described valve body static release groove is equipped with valve body static extractor, described valve body static extractor comprise the valve body of being all located in valve body static release groove draw electric spring with for the valve body conflict ball being connected of conflicting, the two ends that described valve body draws electric spring are connected with diapire and the ball conflict of valve body static release groove respectively, the other end that the relative valve body of described ball draws electric spring protrudes from valve body static release groove, the other end of the relative linkage portion of described fixing part is provided with the release portion for be connected and form static release space with valve ball, described release portion is connected with plunger type valve ball static extractor.
By adopting technique scheme, bar is the intermediate connector that connects valve ball and valve body, because valve rod both can produce static with valve body friction in the process being connected with valve ball, can produce static with valve ball friction again, once the buildup of static electricity that friction produces between the two too much will cause valve to damage even blast, therefore correspondence arranges valve body static extractor and valve ball static extractor respectively; Valve rod can produce friction by inwall frequent and valve body while rotation being subject to the interlock of valve rod driving mechanism, can produce a large amount of static, in order to prevent that static is further delivered to valve ball and affects the normal work of valve ball, therefore valve body static extractor is arranged on to valve rod better with the effect that the rubbing surface on valve body top is connected; The constituent element of valve body static extractor draws electric spring by valve body and conflict ball forms, first facilitate user to process, after fixing part and linkage portion are one-body molded, directly offer static release groove in one end of the relative linkage portion of fixing part, the other end that the relative valve body of ball draws electric spring protrudes from static release groove, between the outer side wall of valve rod and valve body, form and be free static to discharge space so, discharge space through static after facilitating static to be extracted to flow away, and be delivered to valve body; Thereby connect by pipeline and ground, effectively reach and eliminate valve body and the valve rod static object of accumulating that rubs; The generation static because valve rod also can rub in the process being connected with valve ball, therefore valve ball static extractor is arranged in the release portion of valve rod, the medium channel that coordinates valve ball to arrange, static by valve ball static extractor institute carrying-off can or disperse through the medium isolation of the valve ball of flowing through, and the end effect that is arranged on valve rod is better; Valve ball static extractor is selected plunger type, and because valve rod itself is also column, when plunger is arranged on valve rod, its overall performance is better; Allow between release portion and valve ball, form static and discharge space, discharge space through static after facilitating static to be extracted to flow away.
Further improvement as technique scheme:
The notch place of described valve body static release groove is connected with for preventing that ball from departing from and the fixed plate being connected of valve body static release groove, described fixed plate comprises occlusion part, exposed portion and joint, described joint is fixedly connected with the outward edge of occlusion part, described exposed portion is the perforate that goes out a part of ball for road that is opened in occlusion part center, the internal diameter of described perforate is less than the external diameter of ball, and described valve rod sidewall offers the hole clipping for being fixedly connected with joint.
Described release portion offers valve ball away from one end of linkage portion and discharges groove, described valve ball static extractor comprises that valve ball draws electric spring and trussed shore, described valve ball draws electric spring and trussed shore is located in valve ball release groove, described trussed shore one end is rotatably connected and discharges groove into valve ball, the other end extends valve ball and discharges outside groove, and the two ends that described valve ball draws electric spring are connected with one end conflict that bottom and the trussed shore of valve ball release groove are located in valve ball release groove respectively.
Described valve ball discharges groove and is cylindric setting, its opening is provided with the opening that block and this block and valve ball discharge groove and forms the bar shaped fixing port of putting into for trussed shore, described trussed shore for the bar shaped of drawing one end setting that electric spring is connected and be shape and bar shaped fixing port adaptation.
Described fixing part near one end of linkage portion be provided with for the top of the valve interior wall valve shoulder being connected of conflicting, described valve shoulder is around the sidewall winding in the form of a ring of fixing part.
The external diameter of described linkage portion is less than the external diameter of valve shoulder, and is greater than the external diameter of release portion.
Described linkage portion outer side wall is provided with the closure gasket groove for seal ring is installed.
By adopting technique scheme.
Brief description of the drawings
Fig. 1 is a kind of ball valve of the utility model valve rod embodiment's structural representation;
Fig. 2 is the A portion enlarged view of Fig. 1;
Fig. 3 is the B portion enlarged view of Fig. 1;
Fig. 4 is the structural representation of a kind of ball valve of the utility model valve rod embodiment fixed plate;
Fig. 5 is the structural representation of a kind of ball valve of the utility model valve rod embodiment release portion.
Reference character:
1, valve rod driving mechanism; 2, valve body; 3, valve ball; 4, valve rod; 41, linkage portion; 42, fixing part; 43, release portion; 431, valve ball discharges groove; 432, bar shaped fixing port; 44, closure gasket groove; 45, valve shoulder; 5, valve ball static extractor; 51, valve ball draws electric spring; 52, trussed shore; 6, valve body static extractor; 61, valve body draws electric spring; 62, ball; 63, fixed plate; 631, occlusion part; 632, exposed portion; 633, joint.
Embodiment
Referring to figs. 1 through Fig. 5, a kind of ball valve of the utility model is described further by valve rod embodiment.
A kind of valve rod 4 for ball valve, comprise linkage portion 41 for being connected with valve rod 4 driving mechanisms 1 and the fixing part 42 for being fixedly connected with valve ball 3, described fixing part 42 and linkage portion 41 are wholely set, the sidewall of one end of described fixing part 42 relative linkage portion 41 offers at least one valve body 2 static release groove, described valve body 2 static release grooves are equipped with valve body static extractor 6, described valve body static extractor 6 comprise the valve body of being all located in valve body 2 static release grooves draw electric spring 61 with for the valve body 2 conflict ball 62 being connected of conflicting, the two ends that described valve body draws electric spring 61 are connected with diapire and ball 62 conflicts of valve body 2 static release grooves respectively, the other end that the relative valve body of described ball 62 draws electric spring 61 protrudes from valve body 2 static release grooves, the other end of described fixing part 42 relative linkage portion 41 is provided with the release portion 43 for be connected and form static release space with valve ball 3, described release portion 43 is connected with plunger type valve ball static extractor 5.
By adopting technique scheme, bar is the intermediate connector that connects valve ball 3 and valve body 2, because valve rod 4 both can produce static with valve body 2 frictions in the process being connected with valve ball 3, can produce static with valve ball 3 frictions again, once the buildup of static electricity that friction produces between the two too much will cause valve to damage even blast, therefore correspondence arranges valve body static extractor 6 and valve ball static extractor 5 respectively; When rotating linked by valve rod 4 driving mechanisms 1, valve rod 4 can produce friction by inwall frequent and valve body 2, can produce a large amount of static, in order to prevent that static is further delivered to valve ball 3 and affects the normal work of valve ball 3, therefore valve body static extractor 6 is arranged on to valve rod 4 better with the effect that the rubbing surface on valve body 2 tops is connected; The constituent element of valve body static extractor 6 draws electric spring 61 by valve body and conflict ball 62 forms, first facilitate user to process, after fixing part 42 and linkage portion 41 are one-body molded, directly offer static release groove in one end of fixing part 42 relative linkage portion 41, the other end that the relative valve body of ball 62 draws electric spring 61 protrudes from static release groove, between the outer side wall of valve rod 4 and valve body 2, form and be free static to discharge space so, after facilitating static to be extracted, discharge space through static and flow away, and be delivered to valve body 2; Thereby connect by pipeline and ground, effectively reach the static object that elimination valve body 2 and valve rod 4 rub accumulated; The generation static because valve rod 4 also can rub in the process being connected with valve ball 3, therefore valve ball static extractor 5 is arranged in the release portion 43 of valve rod 4, the medium channel that coordinates valve ball 3 to arrange, static by 5 carrying-offs of valve ball static extractor can or disperse through the medium isolation of the valve ball 3 of flowing through, and the end effect that is arranged on valve rod 4 is better; Valve ball static extractor is selected plunger type, and because valve rod 4 itself is also column, when plunger is arranged on valve rod 4, its overall performance is better; Allow between release portion 43 and valve ball 3, form static and discharge space, discharge space through static after facilitating static to be extracted to flow away.
After fixing part 42 and linkage portion 41 are one-body molded, directly offer static release groove in one end of fixing part 42 relative linkage portion 41, when static extractor is installed, directly will draw spring puts in static release groove, after being loaded into, ball 62 allow ball 62 conflict and be connected with valve body 2 inwalls, simple and compact structure, user friendly installation and removal, after ball 62 weares and teares because of the transmission of valve rod 4, can change quickly and easily, to ensure the normal work of valve.
The notch place of described valve body 2 static release grooves is connected with for preventing that ball 62 from departing from and the fixed plate being connected 63 of valve body 2 static release grooves, described fixed plate 63 comprises occlusion part 631, exposed portion 632 and joint 633, described joint 633 is fixedly connected with the outward edge of occlusion part 631, described exposed portion 632 is for being opened in the perforate that goes out a part of ball 62 for road at occlusion part 631 centers, the internal diameter of described perforate is less than the external diameter of ball 62, and described valve rod 4 sidewalls offer the hole clipping for being fixedly connected with joint 633.Fixed plate 63 is set and prevents that ball 62 from departing from and being connected of static release groove; The occlusion part 631 of fixing part 42 is used for sheltering from ball 62, prevents that ball 62 from rolling out static release groove, and the end that ball 62 exposes in exposed portion 632 is set, and ball 62 can directly be contacted with valve body 2 and can transmit static to valve body 2; Joint 633 is set convenient by fixed plate 63 and valve body 2 fixing columns; The setting of fixed plate 63 can ensure can be firm between smart short releasing device and valve rod 4 be connected, can not affect again the normal use of ball 62 simultaneously.This outward edge of sentencing that two joints 633 are symmetricly set on occlusion part 631 is example, being connected between joint 633 and valve rod 44 can be shown in figure, offer two grooves at valve rod 4 sidewalls, and allow the end of joint 633 relative occlusion parts 631 be connected in groove, certainly, also can directly the two end part of joint 633 be directly fixed in this groove by screws bolts etc., should in this groove, offer fixed hole so accordingly.
Described release portion 43 offers valve ball away from one end of linkage portion 41 and discharges groove 431, described valve ball static extractor 5 comprises that valve ball draws electric spring 51 and trussed shore 52, described valve ball draws electric spring 51 and trussed shore 52 is located in valve ball release groove 431, described trussed shore 52 one end are rotatably connected and discharge groove 431 into valve ball, the other end extends valve ball and discharges outside groove 431, and the two ends that described valve ball draws electric spring 51 are connected with one end conflict that bottom and the trussed shore 52 of valve ball release groove 431 are located in valve ball release groove 431 respectively.On valve rod 4, offer valve ball and discharge groove 431, in the convenient situation that static release device is installed, can not affect being normally fixedly connected with of valve rod 4 and valve ball 3; Valve ball is set and draws electric spring 51 frictional static between valve rod 4 and valve body 2 is extracted, be then delivered to valve ball 3 through trussed shore 52, thereby eliminate through medium.
Described valve ball discharges groove 431 and is cylindric setting, its opening is provided with the opening that block and this block and valve ball discharge groove 431 and forms the bar shaped fixing port 432 of putting into for trussed shore 52, described trussed shore 52 for the bar shaped of drawing one end setting that electric spring is connected and be shape and bar shaped fixing port 432 adaptations.The fixing port of bar shaped is set, then coordinates the valve ball of cylinder type to discharge groove 431, convenient installation and placement static extractor; In design with while selecting each constituent elements, preferably will draw the width that is greater than bar shaped fixing port 432 of external diameter setting of electric spring, conveniently like this will draw electric spring and be placed in valve ball release groove 431; In the time that static extractor is installed, first will draw electric spring in bar shaped fixing port 432 is placed into valve ball release groove 431, then the one end that trussed shore 52 is to bar shaped setting is put into and makes this end to compress through bar shaped fixing port 432 firmly to draw electric spring, then rotation traction traction post 52, make trussed shore 52 be an end that bar shaped arranges not at bar shaped fixing port 432 places, depart from and being connected of release portion 43 to place trussed shore 52.
Described fixing part 42 near one end of linkage portion 41 be provided with for the top of the valve body 2 inwalls valve shoulder 45 being connected of conflicting, the winding in the form of a ring of described valve shoulder 45 sidewalls around fixing part 42.The external diameter of described linkage portion 41 is less than the external diameter of valve shoulder 45, and is greater than the external diameter of release portion 43.Fixing part 42 arranges valve shoulder 45 and is used for conflicting and being connected with the top of valve body 2 inwalls, in the time that valve rod 4 or valve body 2 etc. catch fire because of static, soft filler can be burnt or be softened, the hydrodynamic pressure of valve body 2 inner chambers can be pushed valve rod 4 to valve body 2, valve shoulder 45 can be along with pushing away on valve rod 4, due to valve shoulder 45 being set, can conflict and be connected and block the trend that valve rod 4 above pushes away with the top of valve body 2 inwalls, and compress and sealed valve body 2 tops through the effect of high pressure fluid, in addition, can also prevent that one of valve body 2 inner chamber from boosting time, valve rod 4 is gone out outside valve body 2.
In the process of routine use valve rod 4, corresponding, can be provided with the closure gasket groove 44 for seal ring is installed at described linkage portion 41 outer side walls.Closure gasket groove 44 can arrange two, and valve rod 4 is carried out to double seal, and the material of seal ring and selecting just can reach with polyurethane the most general on market or fluorine rubber.And the linkage portion 41 of valve rod 4, fixing part 42 and release portion 43 preferably adopt integrally casting moulding, so corresponding valve shoulder 45 is to be also to process together in casting.The release groove that release portion 43 is offered can be to adopt drilling machine to come outbreak out or just in advance the space that discharges groove is taken into account and processed in casting, repeats no more herein.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a ball valve valve rod, comprise linkage portion for being connected with valve rod driving mechanism and the fixing part for being fixedly connected with valve ball, described fixing part and linkage portion are wholely set, it is characterized in that: the sidewall of one end of the relative linkage portion of described fixing part offers at least one valve body static release groove, described valve body static release groove is equipped with valve body static extractor, described valve body static extractor comprise the valve body of being all located in valve body static release groove draw electric spring with for the valve body conflict ball being connected of conflicting, the two ends that described valve body draws electric spring are connected with diapire and the ball conflict of valve body static release groove respectively, the other end that the relative valve body of described ball draws electric spring protrudes from valve body static release groove, the other end of the relative linkage portion of described fixing part is provided with the release portion for be connected and form static release space with valve ball, described release portion is connected with plunger type valve ball static extractor.
2. ball valve valve rod according to claim 1, it is characterized in that: the notch place of described valve body static release groove is connected with for preventing that ball from departing from and the fixed plate being connected of valve body static release groove, described fixed plate comprises occlusion part, exposed portion and joint, described joint is fixedly connected with the outward edge of occlusion part, described exposed portion is the perforate that goes out a part of ball for road that is opened in occlusion part center, the internal diameter of described perforate is less than the external diameter of ball, and described valve rod sidewall offers the hole clipping for being fixedly connected with joint.
3. ball valve valve rod according to claim 2, it is characterized in that: described release portion offers valve ball away from one end of linkage portion and discharges groove, described valve ball static extractor comprises that valve ball draws electric spring and trussed shore, described valve ball draws electric spring and trussed shore is located in valve ball release groove, described trussed shore one end is rotatably connected and discharges groove into valve ball, the other end extends valve ball and discharges outside groove, and the two ends that described valve ball draws electric spring are connected with one end conflict that bottom and the trussed shore of valve ball release groove are located in valve ball release groove respectively.
4. ball valve valve rod according to claim 3, it is characterized in that: described valve ball discharges groove and is cylindric setting, its opening is provided with the opening that block and this block and valve ball discharge groove and forms the bar shaped fixing port of putting into for trussed shore, described trussed shore for the bar shaped of drawing one end setting that electric spring is connected and be shape and bar shaped fixing port adaptation.
5. according to the ball valve valve rod described in any one in claim 1 to 4, it is characterized in that: described fixing part near one end of linkage portion be provided with for the top of the valve interior wall valve shoulder being connected of conflicting, described valve shoulder is around the sidewall winding in the form of a ring of fixing part.
6. ball valve valve rod according to claim 5, is characterized in that: the external diameter of described linkage portion is less than the external diameter of valve shoulder, and is greater than the external diameter of release portion.
7. ball valve valve rod according to claim 6, is characterized in that: described linkage portion outer side wall is provided with the closure gasket groove for seal ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404685.1U CN203940032U (en) | 2014-07-22 | 2014-07-22 | A kind of ball valve valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404685.1U CN203940032U (en) | 2014-07-22 | 2014-07-22 | A kind of ball valve valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940032U true CN203940032U (en) | 2014-11-12 |
Family
ID=51859346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404685.1U Expired - Fee Related CN203940032U (en) | 2014-07-22 | 2014-07-22 | A kind of ball valve valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170011334A (en) * | 2015-07-22 | 2017-02-02 | 와이.에스. 밸브 매뉴팩처링 컴퍼니., 리미티드. | Fluid valve structure capable of outputting constant flow and constant pressure |
-
2014
- 2014-07-22 CN CN201420404685.1U patent/CN203940032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170011334A (en) * | 2015-07-22 | 2017-02-02 | 와이.에스. 밸브 매뉴팩처링 컴퍼니., 리미티드. | Fluid valve structure capable of outputting constant flow and constant pressure |
| KR102311913B1 (en) | 2015-07-22 | 2021-10-13 | 와이.에스. 밸브 매뉴팩처링 컴퍼니., 리미티드. | Control handle assembly for a fluid valve structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160722 |