CN202901348U - Ball valve with pressure relief function - Google Patents
Ball valve with pressure relief function Download PDFInfo
- Publication number
- CN202901348U CN202901348U CN 201220688956 CN201220688956U CN202901348U CN 202901348 U CN202901348 U CN 202901348U CN 201220688956 CN201220688956 CN 201220688956 CN 201220688956 U CN201220688956 U CN 201220688956U CN 202901348 U CN202901348 U CN 202901348U
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- China
- Prior art keywords
- pressure release
- valve
- pressure
- pressure relief
- piston
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- Expired - Fee Related
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Abstract
A ball valve with a pressure relief function comprises a valve body, a cavity, an inlet and an outlet, wherein a rotatable spool is arranged in the cavity, and is provided with a flow passage which can communicate with the inlet and the outlet, a rotary handle is arranged outside the valve body, the valve body is also provided with a pressure relief inlet which communicates with the cavity, the spool is also provided with a pressure relief passage which communicates with the pressure relief inlet and the flow passage, a pressure relief valve seat is arranged on the outer wall of the valve body, and is provided with a pressure relief cavity, one end of the pressure relief cavity communicates with the pressure relief inlet, the other end of the pressure relief cavity is provided with a pressure relief outlet, a partition plate is arranged in the pressure relief cavity, and is provided with a valve hole, a valve rod is inserted in the valve hole, and can slide in the valve hole, one end of the valve rod is provided with a piston, the pressure relief inlet can be sealed by the end of the piston, and a spring which is supported between the partition plate and the piston is sleeved on the valve rod. Since the structure is adopted, the ball valve and a pressure relief valve are integrated, the structure is simple, compact and small in size, moreover, the sealing effect is better, the reliability is higher, and the ball valve is more convenient to use.
Description
(1) technical field
The utility model relates to a kind of ball valve with pressure release.
(2) background technique
Existing ball valve is mainly used to make cut-out, distributes and change the flow direction of medium in pipeline, and Decompression valves can automatic on-off according to the working pressure of system, generally is installed on protective system safety on the equipment of locking system or the pipeline.When equipment or pipeline inner pressure surpass the Decompression valves setting pressure, namely automatically open pressure release, pressure medium is under setting pressure in assurance equipment and the pipeline, and protection equipment and pipeline prevent accident.Ball valve separates mutually with Decompression valves at present, on airtight equipment and pipeline, namely need to cut off the flow direction of medium, when needing again to carry out pressure release, thereby on airtight equipment and pipeline, install simultaneously ball valve and Decompression valves, not only volume is large but also sealing effect is not good, and it is not very convenient using.
(3) summary of the invention
Have above-mentioned deficiency in the prior art in order to overcome, the utility model provides a kind of simple in structure, easy to use, Decompression valves that its cracking pressure can be regulated.
The technical scheme in the invention for solving the technical problem is: a kind of ball valve with pressure release, comprise valve body, and be located at valve pocket in this valve body, described valve body is provided with import and the outlet that is connected with described valve pocket, be provided with the spool that can rotate relative to described valve pocket in the described valve pocket, be provided with the circulation passage that can be communicated with described import and outlet in this spool, described valve body is provided with the handle with sleeve of the described valve core rotation of control outward, also be provided with the pressure release entrance that is connected with described valve pocket on the described valve body, also be provided with the pressure release passage that is communicated with described pressure release entrance and described circulation passage on the described spool, the outer wall of described valve body is provided with the pressure release valve seat, be provided with pressure-releasing chamber in this pressure release valve seat, one end of this pressure-releasing chamber is connected with described pressure release entrance, the other end of this pressure-releasing chamber is provided with the pressure release outlet, be provided with dividing plate in this pressure-releasing chamber, be provided with valve opening in this dividing plate, be equipped with a valve rod in this valve opening, and this valve rod can slide in described valve opening, one end end of this valve rod is provided with piston, the end of this piston is salable on described pressure release entrance, is set with the spring that is supported between described dividing plate and the piston on the described valve rod.
Further, described pressure release valve seat and described valve body are made one, structure is simpler, be threaded connection between the outer wall of described dividing plate and the inwall of described pressure-releasing chamber, thereby so that the position of dividing plate in pressure-releasing chamber can be regulated, because the pressure release value on the inlet/outlet valve is to determine according to the elastic force of spring, and regulate the length that dividing plate can Regulation spring in the position of pressure-releasing chamber, thereby the elastic force of Regulation spring, further reach the size of regulating the pressure release value, thereby guaranteed the Safety performance of Sealing Arrangement and pipeline.
Further, be provided with the conical surface that cooperatively interacts between the joint of the end of described piston and described pressure release entrance, thereby make piston have certain leading role, have simultaneously certain self-compensating function, guarantee airtight performance, the end of described piston is provided with groove, be provided with seal ring in this groove, the outer ring of sealing ring can contact with the conical surface of described pressure release entrance, the setting of seal ring, and sealing effect is better.
Further, the described valve rod the other end convexes with limited part, and the inboard of this limited part can be against on the outside of described dividing plate, and limited part can prevent that when dividing plate is installed valve rod from shifting out valve opening under the effect of spring.
Further, described dividing plate is provided with the relief hole for pressure release, can carry out quick pressure releasing by relief hole.
Further, the end to described spring above the described dividing plate is provided with spring seat, and an end of described spring is sleeved on the described spring seat, and the other end of described spring is supported on the described piston, and is simple in structure, be convenient to install.
Further, described pressure release outlet port is provided with Quick-acting type connecting joints for pipe fittings, is convenient to be connected fast with outer tube, and described Quick-acting type connecting joints for pipe fittings is sleeved on the described pressure release valve seat and with described pressure release valve seat buckle and is connected, and is convenient to install.
Further, the outer wall of described pressure release valve seat is provided with draw-in groove, and the inwall of described Quick-acting type connecting joints for pipe fittings is provided with card convex, and this card convex places in the described draw-in groove.When mounted, Quick-acting type connecting joints for pipe fittings is sleeved on the pressure release valve seat, then to the rapid pipe joint of pressure release valve seat direction moving tube, and the card convex of Quick-acting type connecting joints for pipe fittings is placed in the draw-in groove of pressure release valve seat, thereby realize the installation of Quick-acting type connecting joints for pipe fittings and pressure release valve seat.
Further, described pressure-releasing chamber is positioned at described pressure release outlet port and is provided with the shaft shoulder, is provided with the sealing gasket of the adjacent described shaft shoulder in the described pressure-releasing chamber, can contact with sealing gasket after in the outer tube insertion Quick-acting type connecting joints for pipe fittings, and sealing effect is better.
Further, be provided with seal ring between described spool and the described valve pocket, also be embedded with O type circle corresponding with described import and pressure release entrance and that be staggered with described circulation passage and pressure release passage on the outer wall of described spool, when being in closed condition, O type circle is sealed in respectively between import and the spool and between pressure release entrance and the spool, sealing effect is better.
The utility model in use, when to Sealing Arrangement fluid replacement medium or by the Pipeline transport flowing medium, the rotation handle with sleeve makes 45 ° of valve core rotation, make the fluid passage on the spool be communicated with import and outlet, and the pressure release passage on the spool is communicated with pressure release entrance and fluid passage, flowing medium flows into outlet by the fluid passage from import, thereby realize to Sealing Arrangement fluid replacement medium or by the Pipeline transport flowing medium, when the pressure in the Sealing Arrangement or the pressure in the pipeline acquire a certain degree, and can overcome the pressure of the spring in the pressure-releasing chamber, thereby pushing piston, piston no longer is sealed in the pressure release ingress of pressure-releasing chamber, thereby opens Decompression valves, and flowing medium enters pressure-releasing chamber by pressure release passage and from the pressure release entrance, then flow out from the pressure release outlet, to reach the effect of pressure release; When pressure reduced to a certain degree gradually, piston again was sealed in the pressure release ingress of pressure-releasing chamber, thereby closes Decompression valves, thereby play sealing effect under the effect of spring.The counterrotating handle with sleeve makes 45 ° of spool backward rotation, and the fluid passage on the spool no longer is communicated with import and outlet, and the pressure release passage on the spool also no longer is communicated with pressure release entrance and fluid passage simultaneously, thereby closes the utility model, is convenient to keep in repair.The utility model can be applied on the pressure water storage barrel, thereby guarantee the Safety performance of pressure water storage barrel, the utility model can also be widely applied to other flow directions that need to cut off flowing medium and carry out in the Sealing Arrangement and pipeline of pressure release, guarantees that the pressure of Sealing Arrangement and pipeline is below safety value.
The beneficial effects of the utility model are: adopt said structure, ball valve and Decompression valves be combined into one, not only simple and compact for structure, volume is little, and sealing effect is better, reliability is higher, it is convenient to use.
(4) description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is local enlarged diagram of the present utility model.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, a kind of ball valve with pressure release, comprise valve body 1, and be located at valve pocket in this valve body 1, described valve body 1 is provided with import 2 and the outlet 3 that is connected with described valve pocket, be provided with the spool 4 that can rotate relative to described valve pocket in the described valve pocket, be provided with the circulation passage 5 that can be communicated with described import 2 and outlet 3 in this spool 4, the described valve body 1 outer handle with sleeve 6 that is provided with described spool 4 rotations of control, also be provided with the pressure release entrance 7 that is connected with described valve pocket on the described valve body 1, also be provided with the pressure release passage 8 that is communicated with described pressure release entrance 7 and described circulation passage 5 on the described spool 4, the outer wall of described valve body 1 is provided with pressure release valve seat 9, be provided with pressure-releasing chamber 10 in this pressure release valve seat 9, one end of this pressure-releasing chamber 10 is connected with described pressure release entrance 7, the other end of this pressure-releasing chamber 10 is provided with pressure release outlet 11, be provided with dividing plate 12 in this pressure-releasing chamber 10, be provided with valve opening in this dividing plate 12, be equipped with a valve rod 13 in this valve opening, and this valve rod 13 can slide in described valve opening, one end end of this valve rod 13 is provided with piston 14, the end of this piston 14 is salable on described pressure release entrance 7, is set with the spring 15 that is supported between described dividing plate 12 and the piston 14 on the described valve rod 13.
Described pressure release valve seat 9 is made one with described valve body 1, structure is simpler, be threaded connection between the inwall of the outer wall of described dividing plate 12 and described pressure-releasing chamber 10, thereby so that the position of dividing plate 12 in pressure-releasing chamber 10 can be regulated, because the pressure release value on the inlet/outlet valve is to determine according to the elastic force of spring 15, and regulate the length that dividing plate 12 can Regulation spring 15 in the position of pressure-releasing chamber 10, thereby the elastic force of Regulation spring 15, further reach the size of regulating the pressure release value, thereby guaranteed the Safety performance of Sealing Arrangement and pipeline.
Be provided with the conical surface that cooperatively interacts between the joint of the end of described piston 14 and described pressure release entrance 7, thereby make piston 14 have certain leading role, has simultaneously certain self-compensating function, guarantee airtight performance, the end of described piston 14 is provided with groove, is provided with seal ring 16 in this groove, and the outer ring of sealing ring 16 can contact with the conical surface of described pressure release entrance 7, the setting of seal ring 16, sealing effect is better.
Described valve rod 13 the other ends convex with limited part 17, and the inboard of this limited part 17 can be against on the outside of described dividing plate 12, and limited part 17 can prevent that when dividing plate 12 is installed valve rod 13 from shifting out valve opening under the effect of spring 15.
Described dividing plate 12 is provided with the relief hole 18 for pressure release, can carry out quick pressure releasing by relief hole 18.
Ends to described spring 15 above the described dividing plate 12 are provided with spring seat 19, and an end of described spring 15 is sleeved on the described spring seat 19, and the other end of described spring 15 is supported on the described piston 14, and are simple in structure, be convenient to install.
Described pressure release exports 11 places and is provided with Quick-acting type connecting joints for pipe fittings 20, be convenient to be connected fast with outer tube, described Quick-acting type connecting joints for pipe fittings 20 is sleeved on the described pressure release valve seat 9 and with described pressure release valve seat 9 buckles and is connected, its buckle connecting structure is: the outer wall of described pressure release valve seat 9 is provided with draw-in groove, the inwall of described Quick-acting type connecting joints for pipe fittings 20 is provided with card convex 21, and this card convex 21 places in the described draw-in groove.When mounted, Quick-acting type connecting joints for pipe fittings 20 is sleeved on the pressure release valve seat 9, then to the 9 direction moving tube rapid pipe joints 20 of pressure release valve seat, and the card convex 21 of Quick-acting type connecting joints for pipe fittings 20 is placed in the draw-in groove of pressure release valve seat 9, thereby realize the installation of Quick-acting type connecting joints for pipe fittings 20 and pressure release valve seat 9.
Described pressure-releasing chamber 10 is positioned at described pressure release and exports 11 places and be provided with the shaft shoulder 22, is provided with the sealing gasket 23 of the adjacent described shaft shoulder 22 in the described pressure-releasing chamber 10, inserts Quick-acting type connecting joints for pipe fittings 20 when outer tube and can contact with sealing gasket 23 after interior, and sealing effect is better.
Be provided with seal ring 24 between described spool 4 and the described valve pocket, also be embedded with O type circle (not shown) corresponding with described import 2 and pressure release entrance 7 and that be staggered with described circulation passage 5 and pressure release passage 8 on the outer wall of described spool 4, when being in closed condition, O type circle is sealed in respectively between import 2 and the spool 4 and between pressure release entrance 7 and the spool 4, sealing effect is better.
The utility model in use, when to Sealing Arrangement fluid replacement medium or by the Pipeline transport flowing medium, rotation handle with sleeve 6 makes spool 4 rotate 45 °, make the fluid passage 5 on the spool 4 be communicated with import 2 and outlet 3, and the pressure release passage on the spool 48 is communicated with pressure release entrance 7 and fluid passage 5, flowing medium flows into outlet 3 by fluid passage 5 from import 2, thereby realize to Sealing Arrangement fluid replacement medium or by the Pipeline transport flowing medium, when the pressure in the Sealing Arrangement or the pressure in the pipeline acquire a certain degree, and can overcome the pressure of the spring 15 in the pressure-releasing chamber 10, thereby pushing piston 14, piston 14 no longer is sealed in pressure release entrance 7 places of pressure-releasing chamber 10, thereby open Decompression valves, flowing medium enters pressure-releasing chamber 10 by pressure release passage 8 and from pressure release entrance 7, then flow out from pressure release outlet 11, to reach the effect of pressure release; When pressure reduced to a certain degree gradually, piston 14 again was sealed in pressure release entrance 7 places of pressure-releasing chamber 10, thereby closes Decompression valves, thereby play sealing effect under the effect of spring 15.Counterrotating handle with sleeve 6 makes 45 ° of spool 4 backward rotation, fluid passage 5 on the spool 4 no longer is communicated with import 2 and outlet 3, pressure release passage 8 on the spool 4 also no longer is communicated with pressure release entrance 7 and fluid passage 5 simultaneously, thereby closes the utility model, is convenient to keep in repair.The utility model can be applied on the pressure water storage barrel, thereby guarantee the Safety performance of pressure water storage barrel, the utility model can also be widely applied to other flow directions that need to cut off flowing medium and carry out in the Sealing Arrangement and pipeline of pressure release, guarantees that the pressure of Sealing Arrangement and pipeline is below safety value.
Claims (10)
1. ball valve with pressure release, comprise valve body, and be located at valve pocket in this valve body, described valve body is provided with import and the outlet that is connected with described valve pocket, be provided with the spool that can rotate relative to described valve pocket in the described valve pocket, be provided with the circulation passage that can be communicated with described import and outlet in this spool, described valve body is provided with the handle with sleeve of the described valve core rotation of control outward, it is characterized in that: also be provided with the pressure release entrance that is connected with described valve pocket on the described valve body, also be provided with the pressure release passage that is communicated with described pressure release entrance and described circulation passage on the described spool, the outer wall of described valve body is provided with the pressure release valve seat, be provided with pressure-releasing chamber in this pressure release valve seat, one end of this pressure-releasing chamber is connected with described pressure release entrance, the other end of this pressure-releasing chamber is provided with the pressure release outlet, be provided with dividing plate in this pressure-releasing chamber, be provided with valve opening in this dividing plate, be equipped with a valve rod in this valve opening, and this valve rod can slide in described valve opening, one end end of this valve rod is provided with piston, the end of this piston is salable on described pressure release entrance, is set with the spring that is supported between described dividing plate and the piston on the described valve rod.
2. according to the ball valve with pressure release claimed in claim 1, it is characterized in that: described pressure release valve seat and described valve body are made one, are threaded connection between the outer wall of described dividing plate and the inwall of described pressure-releasing chamber.
3. according to the ball valve with pressure release claimed in claim 2, it is characterized in that: be provided with the conical surface that cooperatively interacts between the joint of the end of described piston and described pressure release entrance, the end of described piston is provided with groove, be provided with seal ring in this groove, the outer ring of sealing ring can contact with the conical surface of described pressure release entrance.
4. according to the described ball valve with pressure release of one of claim 1～3, it is characterized in that: the described valve rod the other end convexes with limited part, and the inboard of this limited part can be against on the outside of described dividing plate.
5. according to the described ball valve with pressure release of one of claim 1～3, it is characterized in that: described dividing plate is provided with the relief hole for pressure release.
6. according to the described ball valve with pressure release of one of claim 1～3, it is characterized in that: the end to described spring above the described dividing plate is provided with spring seat, and an end of described spring is sleeved on the described spring seat, and the other end of described spring is supported on the described piston.
7. according to the described ball valve with pressure release of one of claim 1～3, it is characterized in that: described pressure release outlet port is provided with Quick-acting type connecting joints for pipe fittings, and described Quick-acting type connecting joints for pipe fittings is sleeved on the described pressure release valve seat and with described pressure release valve seat buckle and is connected.
8. according to the ball valve with pressure release claimed in claim 7, it is characterized in that: the outer wall of described pressure release valve seat is provided with draw-in groove, and the inwall of described Quick-acting type connecting joints for pipe fittings is provided with card convex, and this card convex places in the described draw-in groove.
9. according to the ball valve with pressure release claimed in claim 8, it is characterized in that: described pressure-releasing chamber is positioned at described pressure release outlet port and is provided with the shaft shoulder, is provided with the sealing gasket of the adjacent described shaft shoulder in the described pressure-releasing chamber.
10. according to the described ball valve with pressure release of one of claim 1～3, it is characterized in that: be provided with seal ring between described spool and the described valve pocket, also be embedded with O type circle corresponding with described import and pressure release entrance and that be staggered with described circulation passage and pressure release passage on the outer wall of described spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688956 CN202901348U (en) | 2012-11-27 | 2012-11-27 | Ball valve with pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688956 CN202901348U (en) | 2012-11-27 | 2012-11-27 | Ball valve with pressure relief function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901348U true CN202901348U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220688956 Expired - Fee Related CN202901348U (en) | 2012-11-27 | 2012-11-27 | Ball valve with pressure relief function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901348U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565464A (en) * | 2015-01-18 | 2015-04-29 | 厦门沐林环保科技有限公司 | Safety valve for water purifier |
| CN105370939A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Pressure release valve and connector pressure release assembly |
| CN105465432A (en) * | 2015-07-31 | 2016-04-06 | 中航光电科技股份有限公司 | Pressure relief assembly for fluid connector |
| CN107013717A (en) * | 2017-05-18 | 2017-08-04 | 盐城欧润石化设备制造有限公司 | A kind of automatic decompression device for relief valve |
| CN109340407A (en) * | 2018-09-14 | 2019-02-15 | 镇江努塞尔热能科技有限公司 | Right angle ball valve with decompression function |
| CN109747992A (en) * | 2019-01-16 | 2019-05-14 | 上海陆蒙贸易有限公司 | A kind of releasing pressure automatically protective device of fresh-keeping beer container |
| CN109973454A (en) * | 2019-04-01 | 2019-07-05 | 临海市永恒汽配科技有限公司 | A kind of quick coupling with overflow valve function |
| CN111359062A (en) * | 2020-03-14 | 2020-07-03 | 深圳市龙岗中心医院 | Intelligent atomization system and control method thereof |
| CN113577532A (en) * | 2021-07-29 | 2021-11-02 | 中荷医疗科技(杭州)有限公司 | Pneumoperitoneum machine mechanical protection valve |
| WO2022247728A1 (en) * | 2021-05-26 | 2022-12-01 | 浙江盾安人工环境股份有限公司 | Check valve |
| CN109973454B (en) * | 2019-04-01 | 2024-04-30 | 临海市永恒汽配科技有限公司 | Quick-operation joint with overflow valve function |
-
2012
- 2012-11-27 CN CN 201220688956 patent/CN202901348U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565464A (en) * | 2015-01-18 | 2015-04-29 | 厦门沐林环保科技有限公司 | Safety valve for water purifier |
| CN105370939A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Pressure release valve and connector pressure release assembly |
| CN105465432A (en) * | 2015-07-31 | 2016-04-06 | 中航光电科技股份有限公司 | Pressure relief assembly for fluid connector |
| CN105465432B (en) * | 2015-07-31 | 2018-04-24 | 中航光电科技股份有限公司 | A kind of fluid connector pressure release component |
| CN105370939B (en) * | 2015-07-31 | 2018-07-03 | 中航光电科技股份有限公司 | A kind of relief valve and connector pressure release component |
| CN107013717A (en) * | 2017-05-18 | 2017-08-04 | 盐城欧润石化设备制造有限公司 | A kind of automatic decompression device for relief valve |
| CN109340407A (en) * | 2018-09-14 | 2019-02-15 | 镇江努塞尔热能科技有限公司 | Right angle ball valve with decompression function |
| CN109747992A (en) * | 2019-01-16 | 2019-05-14 | 上海陆蒙贸易有限公司 | A kind of releasing pressure automatically protective device of fresh-keeping beer container |
| CN109973454A (en) * | 2019-04-01 | 2019-07-05 | 临海市永恒汽配科技有限公司 | A kind of quick coupling with overflow valve function |
| CN109973454B (en) * | 2019-04-01 | 2024-04-30 | 临海市永恒汽配科技有限公司 | Quick-operation joint with overflow valve function |
| CN111359062A (en) * | 2020-03-14 | 2020-07-03 | 深圳市龙岗中心医院 | Intelligent atomization system and control method thereof |
| WO2022247728A1 (en) * | 2021-05-26 | 2022-12-01 | 浙江盾安人工环境股份有限公司 | Check valve |
| CN113577532A (en) * | 2021-07-29 | 2021-11-02 | 中荷医疗科技(杭州)有限公司 | Pneumoperitoneum machine mechanical protection valve |
| CN113577532B (en) * | 2021-07-29 | 2023-03-21 | 中荷医疗科技(杭州)有限公司 | Pneumoperitoneum machine mechanical protection valve |
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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: 20130424 Termination date: 20161127 |