CN204127382U - Roof-mounted fixing ball valve - Google Patents
Roof-mounted fixing ball valve Download PDFInfo
- Publication number
- CN204127382U CN204127382U CN201420336357.2U CN201420336357U CN204127382U CN 204127382 U CN204127382 U CN 204127382U CN 201420336357 U CN201420336357 U CN 201420336357U CN 204127382 U CN204127382 U CN 204127382U
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- Prior art keywords
- valve
- spheroid
- valve body
- roof
- valve seat
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- Expired - Fee Related
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Abstract
The utility model belongs to ball valve technical field, refer in particular to a kind of roof-mounted fixing ball valve, comprise valve body, valve gap and spheroid, the upper valve rod of spheroid upper end stretches out valve gap and is connected with drive unit, the two ends of described valve body are respectively arranged with input duct and delivery channel, the inner of input duct and delivery channel is communicated to the valve pocket in the middle part of valve body, input duct and delivery channel are provided with a circular step portion separately in one end that it is connected with valve pocket, valve component is provided with all separately between circular step portion and spheroid, described valve component is: the stepped part that the main valve seat of tubular is arranged on valve body can move axially, the outside of main valve seat the inner is connected with regulating valve seat, the spring be against by main valve seat on described spheroid is provided with between regulating valve seat and valve body.Valve body integral top mounting type of the present utility model knot is higher than usual valve body tube line strength, only need open valve gap and hang out spheroid and supporting mass and will not unload down from pipeline by whole valve during maintenance.
Description
Technical field
The utility model belongs to ball valve technical field, refers in particular to a kind of roof-mounted fixing ball valve.
Background technique
Roof-mounted fixing ball valve researches and develops successful new product assimilating advanced technology both domestic and external, also be the innovative product filling up state's inner valve kind blank, under the prerequisite of multiple valve pluses and minuses such as summary ordinary ball valve, gate valve etc., and the new product of design research and development.
ZL 201320161690.X discloses a kind of roof-mounted fixing ball valve, comprise valve body, valve gap, valve rod and spheroid, input duct and delivery channel are provided with a circular step portion separately in one end that it is connected with valve pocket, valve seat bracing ring is provided with all separately between circular step portion and spheroid, the pair that slides axially is provided with between the outer end of valve seat bracing ring and circular step portion, the excircle of valve seat bracing ring inner end is provided with adjusting nut by screw thread, spring is provided with between the exterior edge face of adjusting nut and valve interior wall, valve seat is provided with in the interior edge face of valve seat bracing ring, valve seat interior edge face protrudes from the interior edge face of valve seat bracing ring, valve seat interior edge face is biased in spherome surface by spring, thus realize sealing.There is following shortcoming in it: (1) valve seat and valve rod sealing member damage and cause leakage time, emergency sealing cannot be carried out; (2) when operated valve, due to the friction between spheroid and valve seat, can static charge be produced and accumulate on spheroid, there is potential safety hazard; (3) upper valve rod is separated with spheroid, after upper valve rod and spheroid depart from, can directly on to fly out valve gap, there is potential safety hazard; (4) sealing effect of upper valve rod and valve gap is general, there is the possibility of leaking.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, safe and reliable roof-mounted fixing ball valve.
The purpose of this utility model is achieved in that
Roof-mounted fixing ball valve, comprise valve body, valve gap and spheroid, the upper valve rod of spheroid upper end stretches out valve gap and is connected with drive unit, the two ends of described valve body are respectively arranged with input duct and delivery channel, the inner of input duct and delivery channel is communicated to the valve pocket in the middle part of valve body, input duct and delivery channel are provided with a circular step portion separately in one end that it is connected with valve pocket, valve component is provided with all separately between circular step portion and spheroid, described valve component is: the stepped part that the main valve seat of tubular is arranged on valve body can move axially, the outside of main valve seat the inner is connected with regulating valve seat, the spring be against by main valve seat on described spheroid is provided with between regulating valve seat and valve body.
Described valve gap surface thereof is provided with grease pouring valve mounting hole site, and the greasing hole of grease pouring valve mounting hole site extends to the sidewall of axle sleeve, is provided with grease pouring valve in grease pouring valve mounting hole site.
Preferably, the middle part of described upper valve rod is coordinated by axle sleeve and valve gap, be provided with valve rod between all sides of upper valve rod above axle sleeve and valve seat to prevent flying structure, described valve rod prevents that flying structure is: the top of valve gap is provided with position-arresting disk, and the downside of position-arresting disk is pushed against on the step surface of valve rod upper end; The lower end of described axle sleeve is against on spheroid, and upper end is against on the downside of position-arresting disk.
Preferably, described position-arresting disk is packing box, is provided with filler in packing box, and Gland to be arranged on valve gap and to compress filler.
Preferably, the wall of described upper valve rod is provided with anti-static device, and described anti-static device is: the wall of upper valve rod is provided with a side opening position, side opening is provided with spring in position, and a conductor ball is pushed against sleeve lining by the outer end of spring.
Preferably, described drive unit is: the upper end of upper valve rod is connected with worm wheel head, worm wheel head is provided with operation handwheel or motor.
The utility model gives prominence to compared to existing technology and useful technique effect is:
Valve body integral top mounting type knot of the present utility model is higher than usual valve body tube line strength, improvement structurally and technical innovation adapt to earthquake-resistant requirement, after the release of work post apparatus system, valve can On line inspection and maintenance, device is safeguarded simplify, only need open valve gap during maintenance and hang out spheroid and supporting mass and will not unload down from pipeline by whole valve.Maintenance operation time simultaneously can retain ducted medium as one sees fit, this just eliminates and uses or permitted many-sided back work in early stage before maintenance, can not cause energy waste, make maintenance more convenient;
The utility model is provided with releasing pressure automatically structure: when abnormal rising phenomenon appears in central cavity pressure, when the pressure anomaly that valve lumen is stagnated exceedes the pretightening force of spring, and valve seat retreats and departs from spheroid, and reach self-relieving effect, release rear valve base automatically resets;
The utility model can emergency sealing, and greasing hole and groove reasonably distribute seal gease, a grease pouring valve is all housed in greasing hole, is furnished with the rapid pipe joint connecing grease gun.Valve seat and valve rod sealing member damage and cause leakage time, the seal gease injected by grease pouring valve can play instantaneous seal action;
The utility model is designed with fire prevention and puts quick-fried structure, and valve body is provided with puts quick-fried valve, puts quick-fried valve automatic pressure-relieving; Valve seat fire protection design, when seal ring burns, under spring force, pushes to valve base sealing ring rapidly on spheroid, forms metal and metal sealing, plays sealing effect to a certain extent;
The utility model has anti-static device, when operated valve, due to the friction between spheroid and valve seat, can produce static charge and accumulate on spheroid, and for preventing static spark, spy arranges anti-static device on valve, is derived by the electric charge accumulated on ball;
Valve body of the present utility model arranges drain boles, and when valve is in closed condition, the valve seat of upstream and downstream side makes fluid block, and the stagnant thing of valve body lumen can be drained by eduction gear;
The utility model is provided with valve rod to be prevented flying structure, and valve rod is separated with spheroid, and is undertaken preventing flying design by ASMEB16.34 and BS5351 standard, has the insurance packing box that overall, by insurance packing box retaining valve rod;
The utility model adopts double-sealing valve seat, and valve seat is independent relocatable, and seat design is for cut off medium by interior pressure automatic-sealed (double-piston effect), it is two-way double-sealing type, double-sealing design convection cell has double seal, ensures that downstream is also salable when upstream seal lost efficacy;
Valve rod double seal of the present utility model, valve rod double seal is realized with PTFE polytetrafluoroethylene packing and O-ring seals with insurance packing box, valve rod PTFE polytetrafluoroethylene packing is changed under can be implemented in situation with pressure, filler is contained in the PTFE polytetrafluoroethyl-ne in insurance packing box, friction factor is low has self-lubricating function, reduction operation moment, and valve rod can lengthen according to the concrete installation situation of user, buried roof-mounted fixing ball valve, so that terrestrial operation.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is the A place enlarged view of Fig. 1.
In figure: 1-valve body; 2-main valve seat; 3-spring; 4-bonnet; 5-lower valve rod; 6-axle sleeve; 7-spheroid; 8-regulating valve seat; 9-upper valve rod; 10-valve gap; 11-packing box; 12-filler; 13-worm wheel head; 14-support; 15-Gland; 16-grease pouring valve; 17-axle sleeve; 18-anti-static device; 19-sealing surface; 20-greasing hole;
100-input duct; 101-valve pocket; 102-delivery channel.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Roof-mounted fixing ball valve, comprise valve body 1, valve gap 10 and spheroid 7, the upper valve rod 9 of spheroid 7 upper end stretches out valve gap 10 and is connected with drive unit, the two ends of described valve body 1 are respectively arranged with input duct 100 and delivery channel 102, the inner of input duct and delivery channel is communicated to the valve pocket 101 in the middle part of valve body, input duct and delivery channel are provided with a circular step portion separately in one end that it is connected with valve pocket, valve component is provided with all separately between circular step portion and spheroid 7, described valve component is: the stepped part that the main valve seat 2 of tubular is arranged on valve body can move axially, the outside of main valve seat 2 the inner is connected with regulating valve seat 8, the spring 3 be against by main valve seat 2 on described spheroid 7 is provided with between regulating valve seat 8 and valve body 1, when this design makes to need dismounting ball valve, only need turn regulating valve seat, the retraction of main valve seat can be realized, the inner of main valve seat is made to depart from spheroid, be convenient to spheroid directly take out from valve body upper end.
Described valve gap surface thereof is provided with grease pouring valve mounting hole site, and the greasing hole 20 of grease pouring valve mounting hole site extends to the sidewall of axle sleeve 17, is provided with grease pouring valve 16 in grease pouring valve mounting hole site.
Preferably, the middle part of described upper valve rod 9 is coordinated by axle sleeve and valve gap, be provided with valve rod between all sides of upper valve rod above axle sleeve and valve seat to prevent flying structure, described valve rod prevents that flying structure is: the top of valve gap is provided with position-arresting disk, and the downside of position-arresting disk is pushed against on the step surface of valve rod upper end; The lower end of described axle sleeve is against on spheroid, and upper end is against on the downside of position-arresting disk.
Preferably, described position-arresting disk is packing box 11, is provided with filler 12 in packing box 11, and Gland 15 to be arranged on valve gap and to compress filler.
Preferably, the wall of described upper valve rod 9 is provided with anti-static device 18, and described anti-static device is: the wall of upper valve rod is provided with a side opening position, side opening is provided with spring in position, and a conductor ball is pushed against axle sleeve 17 inwall by the outer end of spring.
Preferably, described drive unit is: the upper end of upper valve rod 9 is connected with worm wheel head 13, worm wheel head is provided with operation handwheel or motor.
Valve body integral top mounting type knot of the present utility model is higher than usual valve body tube line strength, improvement structurally and technical innovation adapt to earthquake-resistant requirement, after the release of work post apparatus system, valve can On line inspection and maintenance, device is safeguarded simplify, only need open valve gap during maintenance and hang out spheroid and supporting mass and will not unload down from pipeline by whole valve.Maintenance operation time simultaneously can retain ducted medium as one sees fit, this just eliminates and uses or permitted many-sided back work in early stage before maintenance, can not cause energy waste, make maintenance more convenient;
The utility model is provided with releasing pressure automatically structure: when abnormal rising phenomenon appears in central cavity pressure, when the pressure anomaly that valve lumen is stagnated exceedes the pretightening force of spring, and valve seat retreats and departs from spheroid, and reach self-relieving effect, release rear valve base automatically resets;
The utility model can emergency sealing, and greasing hole and groove reasonably distribute seal gease, a grease pouring valve is all housed in greasing hole, is furnished with the rapid pipe joint connecing grease gun.Valve seat and valve rod sealing member damage and cause leakage time, the seal gease injected by grease pouring valve can play instantaneous seal action;
The utility model is designed with fire prevention and puts quick-fried structure, and valve body is provided with puts quick-fried valve, puts quick-fried valve automatic pressure-relieving; Valve seat fire protection design, when seal ring burns, under spring force, pushes to valve base sealing ring rapidly on spheroid, forms metal and metal sealing, plays sealing effect to a certain extent;
The utility model has anti-static device, when operated valve, due to the friction between spheroid and valve seat, can produce static charge and accumulate on spheroid, and for preventing static spark, spy arranges anti-static device on valve, is derived by the electric charge accumulated on ball;
Valve body of the present utility model arranges drain boles, and when valve is in closed condition, the valve seat of upstream and downstream side makes fluid block, and the stagnant thing of valve body lumen can be drained by eduction gear;
The utility model is provided with valve rod to be prevented flying structure, and valve rod is separated with spheroid, and is undertaken preventing flying design by ASMEB16.34 and BS5351 standard, has the insurance packing box that overall, by insurance packing box retaining valve rod;
The utility model adopts double-sealing valve seat, and valve seat is independent relocatable, and seat design is for cut off medium by interior pressure automatic-sealed (double-piston effect), it is two-way double-sealing type, double-sealing design convection cell has double seal, ensures that downstream is also salable when upstream seal lost efficacy;
Valve rod double seal of the present utility model, valve rod double seal is realized with PTFE polytetrafluoroethylene packing and O-ring seals with insurance packing box, valve rod PTFE polytetrafluoroethylene packing is changed under can be implemented in situation with pressure, filler is contained in the PTFE polytetrafluoroethyl-ne in insurance packing box, friction factor is low has self-lubricating function, reduction operation moment, and valve rod can lengthen according to the concrete installation situation of user, buried roof-mounted fixing ball valve, so that terrestrial operation.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (6)
1. roof-mounted fixing ball valve, comprise valve body, valve gap and spheroid, the upper valve rod of spheroid upper end stretches out valve gap and is connected with drive unit, the two ends of described valve body are respectively arranged with input duct and delivery channel, the inner of input duct and delivery channel is communicated to the valve pocket in the middle part of valve body, input duct and delivery channel are provided with a circular step portion separately in one end that it is connected with valve pocket, valve component is provided with all separately between circular step portion and spheroid, it is characterized in that, described valve component is: the stepped part that the main valve seat of tubular is arranged on valve body can move axially, the outside of main valve seat the inner is connected with regulating valve seat, the spring be against by main valve seat on described spheroid is provided with between regulating valve seat and valve body.
2. roof-mounted fixing ball valve according to claim 1, it is characterized in that, the middle part of described upper valve rod is coordinated by axle sleeve and valve gap, be provided with valve rod between all sides of upper valve rod above axle sleeve and valve seat to prevent flying structure, described valve rod prevents that flying structure is: the top of valve gap is provided with position-arresting disk, and the downside of position-arresting disk is pushed against on the step surface of valve rod upper end; The lower end of described axle sleeve is against on spheroid, and upper end is against on the downside of position-arresting disk.
3. roof-mounted fixing ball valve according to claim 2, is characterized in that, described position-arresting disk is packing box, is provided with filler in packing box, and Gland to be arranged on valve gap and to compress filler.
4. roof-mounted fixing ball valve according to claim 1, it is characterized in that, the wall of described upper valve rod is provided with anti-static device, described anti-static device is: the wall of upper valve rod is provided with a side opening position, side opening is provided with spring in position, and a conductor ball is pushed against sleeve lining by the outer end of spring.
5. roof-mounted fixing ball valve according to claim 1, is characterized in that, described drive unit is: the upper end of upper valve rod is connected with worm wheel head, worm wheel head is provided with operation handwheel or motor.
6. roof-mounted fixing ball valve according to claim 1, is characterized in that, described valve gap surface thereof is provided with grease pouring valve mounting hole site, and the greasing hole of grease pouring valve mounting hole site extends to the sidewall of axle sleeve, is provided with grease pouring valve in grease pouring valve mounting hole site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336357.2U CN204127382U (en) | 2014-06-20 | 2014-06-20 | Roof-mounted fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336357.2U CN204127382U (en) | 2014-06-20 | 2014-06-20 | Roof-mounted fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127382U true CN204127382U (en) | 2015-01-28 |
Family
ID=52383740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336357.2U Expired - Fee Related CN204127382U (en) | 2014-06-20 | 2014-06-20 | Roof-mounted fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916412A (en) * | 2018-07-06 | 2018-11-30 | 西诺威阀门控制（苏州）有限公司 | The roof-mounted fixing ball valve of heavy caliber double-piston |
| CN112963569A (en) * | 2021-02-04 | 2021-06-15 | 山东大学 | Underwater control valve with self-powered function |
-
2014
- 2014-06-20 CN CN201420336357.2U patent/CN204127382U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916412A (en) * | 2018-07-06 | 2018-11-30 | 西诺威阀门控制（苏州）有限公司 | The roof-mounted fixing ball valve of heavy caliber double-piston |
| CN112963569A (en) * | 2021-02-04 | 2021-06-15 | 山东大学 | Underwater control valve with self-powered function |
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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 |
Granted publication date: 20150128 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |