CN102305300A - T-shaped three-way ball valve - Google Patents
T-shaped three-way ball valve Download PDFInfo
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- CN102305300A CN102305300A CN201110251697A CN201110251697A CN102305300A CN 102305300 A CN102305300 A CN 102305300A CN 201110251697 A CN201110251697 A CN 201110251697A CN 201110251697 A CN201110251697 A CN 201110251697A CN 102305300 A CN102305300 A CN 102305300A
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Abstract
The invention provides a T-shaped three-way ball valve, which comprises a valve body, a valve plug and a valve rod, wherein the valve body is provided with a valve cavity, and a first fluid channel, a second fluid channel and a third fluid channel which are communicated with the valve cavity; the valve plug is provided with a first connecting channel, a second connecting channel and a third connecting channel; the arc length at the open end of any connecting channel is smaller than that between open ends of any two fluid channels; the minimum distance between two open ends of the first connecting channel and the third connecting channel is not smaller than the diameter of any fluid channel; the minimum distance between two open ends of the second connecting channel and the third connecting channels is not smaller than the diameter of an open end of any fluid channel; and when the open end of any connecting channel is isolated from all fluid channels, the other two connecting channels are in seal fit with the valve cavity, and are isolated from any fluid channel. By rotating the valve plug, the connecting channels on the valve plug is isolated from all fluid channels simultaneously.
Description
Technical field
The present invention relates to a kind of ball valve, especially a kind of T type tee ball valve.
Background technique
Valve is widely used in industry and daily life, and it is to be used for making the flowing medium of pipe-line system to flow or to stop, and can control the device of its flow.Present tee ball valve is according to the different T type tee ball valve and the L type tee ball valves of being divided into of connecting passage structure of spool.Wherein, Tradition T type tee ball valve includes valve body 1a; Spool 2a and valve rod; Offer valve pocket 14a on the described valve body 1a; And with the valve pocket 14a fluid passage that is conducted; This fluid passage comprises first fluid passage 11a; The second fluid passage 12a and three-fluid passage 13a; First fluid passage 11a; The second fluid passage 12a and three-fluid passage 13a are positioned on the same plane; The first fluid passage 11a and the second through-flow body road 12a belong to axis separately and are located along the same line; Three-fluid passage 13a place axis normal is on first fluid passage 11a and second fluid passage 12a place axis; Spool 2a installs in valve pocket 14a; One end of valve rod and spool interlock; The other end passes valve body 1a and links with external drive mechanism; Spool 2a is provided with the connecting passage of T type; Connecting passage includes the first connecting passage 21a; The second connecting passage 22a and the 3rd connecting passage 23a; The first connecting passage 21a; The second connecting passage 22a and the 3rd connecting passage 23a are positioned on the same plane; The first connecting passage 21a and the second connecting passage 22a belong to axis separately and are located along the same line, and the 3rd connecting passage 23a place axis normal is on the first connecting passage 21a and second connecting passage 22a place axis.As shown in Figure 1, work as rotation valve rod, spool 2a will rotate around valve rod axis, and spool 2a goes up connecting passage and will together rotate, and this moment, the connecting passage upper open end was conducted with corresponding different fluid passage respectively, thereby realize each switching that flows on the tee ball valve.But because the structural feature of traditional T type ball valve self, the opening diameter of connecting passage and the opening diameter of fluid passage equate and are all bigger that T type tee ball valve can not be realized the function that three fluid passages cut off simultaneously.
Summary of the invention
In order to overcome the deficiency of prior art, the invention provides the T type tee ball valve that a kind of ability realization is cut off three fluid passages simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: a kind of T type tee ball valve; Include valve body; Spool and valve rod; Offer valve pocket on the described valve body; And with the valve pocket fluid passage that is conducted; This fluid passage includes the first fluid passage; Second fluid passage and three-fluid passage; The first fluid passage; Second fluid passage and three-fluid passage are positioned on the same plane; The first fluid passage and the second through-flow body road belong to axis separately and are located along the same line; Three-fluid passage place axis normal is on first fluid passage and place, second fluid passage axis; Spool is installed in valve pocket; Be provided with seal arrangement between spool and valve pocket and constitute spool and valve pocket between be sealed and matched; One end of valve rod and spool interlock; The other end passes valve body and links with external drive mechanism; Spool is provided with the connecting passage of T type; Connecting passage includes first connecting passage; Second connecting passage and the 3rd connecting passage; First connecting passage; Second connecting passage and the 3rd connecting passage are positioned on the same plane; First connecting passage and second connecting passage belong to axis separately and are located along the same line; The 3rd connecting passage place axis normal is on first connecting passage and second connecting passage place axis; It is characterized in that: the arc length of said any a connection channel upper open end is all less than the arc length between any two fluid passage upper open ends; On first connecting passage and the 3rd connecting passage between two opening ends minimum separable be not less than the diameter of any fluid passage; On second connecting passage and the 3rd connecting passage between two opening ends minimum separable be not less than the diameter of any fluid channel opening end; When the opening end of any a connection channel and each fluid passage all were in the partition state, two connecting passages and valve pocket all constituted and are sealed and matched and are in the partition state with any fluid passage in addition.
Adopt technique scheme; Realize the rotation of spool through rotation valve rod; Thereby the rotation of first connecting passage on the drive spool, second connecting passage and the 3rd connecting passage, thus realize each connecting passage successively with the UNICOM of first fluid passage, second fluid passage and three-fluid passage.If rotate appropriate angle; The first fluid passage is sealed and matched through seal arrangement and valve pocket inwall formation; Second fluid passage also just is provided with towards the valve pocket inwall; And second fluid passage is sealed and matched through seal arrangement and valve pocket inwall formation; Thereby the partition on the realization spool between connecting passage and each fluid passage cuts off when also promptly having realized on the T type tee ball valve three fluid passages.
Of the present inventionly further be set to: be positioned at the first fluid passage on the said valve pocket and the interchannel arc length of three-fluid equals second fluid passage and the interchannel arc length of three-fluid, the arc length of any opening end is all less than first fluid passage and the interchannel arc length of three-fluid on the said connecting passage.
Adopt technique scheme; The arc length of any opening end is all less than first fluid passage and the interchannel arc length of three-fluid on the connecting passage; Can realize that any opening end be able to be positioned at first fluid passage and three-fluid interchannel on the valve pocket on the connecting passage; Perhaps be positioned at second fluid passage and three-fluid interchannel on the valve pocket; And this connecting passage opening end and valve pocket formation are sealed and matched; In addition; Other two opening ends are sealed and matched with the valve pocket formation respectively on the connecting passage, cut off when having constituted three fluid passages thus better.
Of the present inventionly further be set to: opening end adjacent on said connecting passage and the fluid passage is shaped as circle, adjacent opening end equal diameters on connecting passage and the fluid passage.
Adopt technique scheme, connecting passage opening end and fluid passage opening end are circle and mate each other, so not only help the cooperation of mutual conduction between connecting passage and fluid passage, also help the cooperation that cuts off each other between connecting passage and fluid passage.
Of the present inventionly further be set to: the arc length of said connecting passage upper open end is not more than 1/8th arc length of spool place circumference, and the arc length of fluid passage upper open end is not more than 1/8th arc length of spool place circumference.
Adopt technique scheme; Having only on connecting passage and fluid passage separately, the arc length of opening end is not more than 1/8th arc length that spool belongs to circumference; During through rotational valve core; Could supply being sealed and matched of each connecting passage and valve pocket inwall formation for leaving space in the valve pocket; Wherein, The limit of each opening end arc length is 1/8th arc length of spool place circumference, and each opening end arc length is more little, and it is easy more to cut off in the time of the fluid passage.
Of the present inventionly further be set to: said seal arrangement includes seal valve seat and return unit; Joint with valve pocket on the said fluid passage is provided with the valve seat groove that the hydrodynamic form passage is circumferentially offered; Seal valve seat is loop configuration and installs in the valve seat groove; Return unit is installed between seal valve seat and valve seat groove and is constituted seal valve seat to the spool cooperation that reclines, and constitutes being sealed and matched between spool and valve pocket thus.
Of the present inventionly further be set to: said return unit is a Returnning spring, offers on the said seal valve seat to supply Returnning spring to install the spring groove of usefulness, and this spring groove is positioned on the seal valve seat and is provided with than the distally apart from valve pocket.
Of the present inventionly further be set to: said seal arrangement also includes seal ring again, also is provided with the seal groove that supplies seal ring to install usefulness between said seal valve seat and valve seat groove.
Adopt technique scheme, when connecting passage and fluid passage mutual conduction, seal arrangement can be sealed and matched to forming between connecting passage and fluid passage more effectively, thereby the situation that spool leaks can not take place.Simultaneously, through seal arrangement and the spool outer wall is inconsistent and constitute and to be sealed and matched firmly, also promptly constitute being sealed and matched of described connecting passage and valve core chamber.And being provided with of seal ring can improve the sealability of seal valve seat in the valve seat groove, prevents that further T type tee ball valve from revealing.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is a kind of schematic representation of traditional T shape tee ball valve.
Fig. 2 be the embodiment of the invention schematic representation.
Fig. 3 is the A portion enlarged view of Fig. 2.
Fig. 4 is first kind of schematic representation that three fluid passages of the embodiment of the invention cut off simultaneously.
Fig. 5 is second kind of schematic representation that three fluid passages of the embodiment of the invention cut off simultaneously.
Fig. 6 is the third schematic representation that three fluid passages of the embodiment of the invention cut off simultaneously.
Fig. 7 is the 4th kind of schematic representation that three fluid passages of the embodiment of the invention cut off simultaneously.
Embodiment
Like Fig. 2; Shown in 3; Present embodiment includes valve body 1; Spool 2 and valve rod; Offer valve pocket 14 on the described valve body 1; And with valve pocket 14 fluid passage that is conducted; This fluid passage includes first fluid passage 11; Second fluid passage 12 and the three-fluid passage 13; First fluid passage 11; Second fluid passage 12 and three-fluid passage 13 are positioned on the same plane; The first fluid passage 11 and the second through-flow body road 12 belong to axis separately and are located along the same line; Three-fluid passage 13 place axis normal are on first fluid passage 11 and second fluid passage, 12 place axis; Spool 2 is installed in valve pocket 14; 14 of spool 2 and valve pockets are provided with seal arrangement and constitute spool 2 and being sealed and matched of 14 of valve pockets; One end of valve rod and spool 2 interlocks; The other end passes valve body 1 and links with external drive mechanism; Spool 2 is provided with the connecting passage of T type; Connecting passage includes first connecting passage 21; Second connecting passage 22 and the 3rd connecting passage 23; First connecting passage 21; Second connecting passage 22 and the 3rd connecting passage 23 are positioned on the same plane; First connecting passage 21 and second connecting passage 22 belong to axis separately and are located along the same line, and the 3rd connecting passage 23 place axis normal are on first connecting passage 21 and second connecting passage, 22 place axis.Wherein, The arc length that is positioned at 13 in first fluid passage 11 and three-fluid passage on the valve pocket 14 equals the arc length of 13 in second fluid passage 12 and three-fluid passage; The arc length of any opening end is all less than the arc length of 13 in first fluid passage 11 and three-fluid passage on the said connecting passage, also promptly less than the arc length of 13 in second fluid passage 12 and three-fluid passage.Opening end adjacent on connecting passage and the fluid passage is shaped as circle, adjacent opening end equal diameters on connecting passage and the fluid passage.The connecting passage opening end is the opening that is positioned at spool 2 outer surface on the connecting passage, and the fluid passage opening end is the open end that is positioned at valve pocket 14 internal surface places on the valve body.The arc length of said connecting passage upper open end equals 1/8th arc length of spool 2 place circumference, and the arc length of fluid passage upper open end is not equal to 1/8th arc length of spool 2 place circumference.This place; Having only on connecting passage and fluid passage separately, the arc length of opening end is not more than 1/8th arc length that spool 2 belongs to circumference; During through rotational valve core 2; Could supply being sealed and matched of each connecting passage and valve pocket 14 inwalls formation for leaving space in the valve pocket 14; Wherein, The limit of each opening end arc length is 1/8th arc length of spool place circumference, and each opening end arc length is more little, and it is easy more to cut off in the time of the fluid passage.The arc length of a connection channel upper open end is all less than the arc length between any two fluid passage upper open ends arbitrarily; On first interface channel 21 and the 3rd interface channel 23 between two openends minimum spacing be not less than the diameter of any fluid passage 11; On second interface channel 21 and the 3rd interface channel 23 between two openends minimum spacing be not less than the diameter of any fluid channel opening end; When the openend of any a connection channel and each fluid passage all were in the partition state, two interface channels and valve pocket 14 all constituted and are sealed and matched and are in the partition state with any fluid passage in addition.In addition; Said seal arrangement 3 includes seal valve seat 31, return unit 32 and seal ring 33; Joint with valve pocket 14 on the said fluid passage is provided with the valve seat groove 15 that the hydrodynamic form passage is circumferentially offered; Seal valve seat 31 is loop configuration and installs in valve seat groove 15; Return unit 32 is installed in seal valve seat 31 and 15 of valve seat grooves and is constituted seal valve seat 31 to spool 2 cooperation that reclines, and constitutes being sealed and matched of 14 of spool 2 and valve pockets thus.Said return unit 32 is a Returnning spring, offers on the said seal valve seat 31 to supply Returnning spring to install the spring groove 311 of usefulness, and this spring groove 311 is positioned on the seal valve seat 31 and is provided with than the distally apart from valve pocket 14.Said seal valve seat 31 is provided with the seal groove 312 that supplies seal ring 33 to install usefulness, constitutes being sealed and matched of 15 of seal valve seat 31 and valve seat grooves thus.When connecting passage and fluid passage mutual conduction, seal arrangement 3 can be sealed and matched to forming between connecting passage and fluid passage more effectively, thereby the situation that spool 2 leaks can not take place.Simultaneously, inconsistent and constitute and be sealed and matched firmly through seal arrangement 3 and spool 2 outer walls, also promptly constitute being sealed and matched of 2 of described connecting passage and spools.And being provided with of seal ring 33 can improve the sealability of seal valve seat 31 in valve seat groove 15, prevents that further T type tee ball valve from revealing.
Among the present invention; As shown in Figure 4; When the inwall place of first connecting passage, 21 opening ends 13 in first fluid passage 11 and three-fluid passage on valve pocket 14; The inwall place of the 3rd connecting passage 23 13 in second fluid passage 12 and three-fluid passage on valve pocket, the inwall place of second connecting passage 22 12 of first fluid passage 11 and second fluid passages on valve pocket 14; As shown in Figure 5; When the inwall place of first connecting passage, 21 opening ends 13 in second fluid passage 12 and three-fluid passage on valve pocket 14, the 3rd connecting passage 23 and second connecting passage 22 be the inwall place of 13 in second fluid passage 12 and three-fluid passage on valve pocket 14 all; As shown in Figure 6; When first connecting passage 21 and the 3rd connecting passage 23 opening ends all on valve pocket 14 during the inwall place of 13 in second fluid passage 12 and three-fluid passage, second connecting passage 22 is the inwall place of 13 in first fluid passage 11 and three-fluid passage on valve pocket 14 just; As shown in Figure 7; When the inwall place of first connecting passage, 21 opening ends 13 in second fluid passage 12 and three-fluid passage on valve pocket 14; The inwall place of the 3rd connecting passage 23 13 in first fluid passage 11 and three-fluid passage on valve pocket 14, the inwall place of second connecting passage 22 13 in second fluid passage 12 and three-fluid passage on valve pocket 14.Wherein, when connecting passage during towards valve pocket 14 inwalls, this connecting passage constitutes through seal arrangement and each fluid passage and is sealed and matched.
Among the present invention; Realize the rotation of spool 2 through rotation valve rod; Thereby drive the rotation of first connecting passage 21, second connecting passage 22 and the 3rd connecting passage 23 on the spool 2, thus realize each connecting passage successively with the UNICOM of first fluid passage 11, second fluid passage 12 and three-fluid passage 13.If rotate appropriate angle; First fluid passage 11 is sealed and matched through seal arrangement and valve pocket 14 inwalls formation; Second fluid passage 12 is also just towards valve pocket 14 inwall settings; And second fluid passage 13 is sealed and matched through seal arrangement 3 and valve pocket 14 inwalls formation; Thereby realize the partition between connecting passage and each fluid passage on the spool 2, cut-out when also promptly having realized on the T type tee ball valve three fluid passages.Wherein, connecting passage opening end and fluid passage opening end are circle and mate each other, so not only help the cooperation of mutual conduction between connecting passage and fluid passage, also help the cooperation that cuts off each other between connecting passage and fluid passage.In addition; The arc length of any opening end is all less than the arc length of 13 in first fluid passage 11 and three-fluid passage on the connecting passage; Can realize on the connecting passage that any opening end be able to be positioned on the valve pocket 14 13 in first fluid passage 11 and three-fluid passage; Perhaps be positioned on the valve pocket 14 13 of second fluid passages 12 and three-fluid passage; And this connecting passage opening end and valve pocket 14 formations are sealed and matched; In addition; Other two opening ends are sealed and matched with valve pocket 14 formations respectively on the connecting passage, cut off when having constituted three fluid passages thus better.The present invention can also have other mode of executions, and the technological scheme that equal replacement of all employings or equivalent transformation form all drops within the scope of requirement protection of the present invention.
Claims (8)
1. T type tee ball valve; Include valve body; Spool and valve rod; Offer valve pocket on the described valve body; And with the valve pocket fluid passage that is conducted; This fluid passage includes the first fluid passage; Second fluid passage and three-fluid passage; The first fluid passage; Second fluid passage and three-fluid passage are positioned on the same plane; The first fluid passage and the second through-flow body road belong to axis separately and are located along the same line; Three-fluid passage place axis normal is on first fluid passage and place, second fluid passage axis; Spool is installed in valve pocket; Be provided with seal arrangement between spool and valve pocket and constitute spool and valve pocket between be sealed and matched; One end of valve rod and spool interlock; The other end passes valve body and links with external drive mechanism; Spool is provided with the connecting passage of T type; Connecting passage includes first connecting passage; Second connecting passage and the 3rd connecting passage; First connecting passage; Second connecting passage and the 3rd connecting passage are positioned on the same plane; First connecting passage and second connecting passage belong to axis separately and are located along the same line; The 3rd connecting passage place axis normal is on first connecting passage and second connecting passage place axis; It is characterized in that: the arc length of said any a connection channel upper open end is all less than the arc length between any two fluid passage upper open ends; On first connecting passage and the 3rd connecting passage between two opening ends minimum separable be not less than the diameter of any fluid passage; On second connecting passage and the 3rd connecting passage between two opening ends minimum separable be not less than the diameter of any fluid channel opening end; When the opening end of any a connection channel and each fluid passage all were in the partition state, two connecting passages and valve pocket all constituted and are sealed and matched and are in the partition state with any fluid passage in addition.
2. T type tee ball valve according to claim 1; It is characterized in that: be positioned at the first fluid passage on the said valve pocket and the interchannel arc length of three-fluid equals second fluid passage and the interchannel arc length of three-fluid, the arc length of any opening end is all less than first fluid passage and the interchannel arc length of three-fluid on the said connecting passage.
3. T type tee ball valve according to claim 1 and 2, it is characterized in that: opening end adjacent on said connecting passage and the fluid passage is shaped as circle, adjacent opening end equal diameters on connecting passage and the fluid passage.
4. T type tee ball valve according to claim 1 and 2; It is characterized in that: the arc length of said connecting passage upper open end is not more than 1/8th arc length of spool place circumference, and the arc length of fluid passage upper open end is not more than 1/8th arc length of spool place circumference.
5. T type tee ball valve according to claim 3; It is characterized in that: the arc length of said connecting passage upper open end is not more than 1/8th arc length of spool place circumference, and the arc length of fluid passage upper open end is not more than 1/8th arc length of spool place circumference.
6. T type tee ball valve according to claim 5; It is characterized in that: said seal arrangement includes seal valve seat and return unit; Joint with valve pocket on the said fluid passage is provided with the valve seat groove that the hydrodynamic form passage is circumferentially offered; Seal valve seat is loop configuration and installs in the valve seat groove; Return unit is installed between seal valve seat and valve seat groove and is constituted seal valve seat to the spool cooperation that reclines, and constitutes being sealed and matched between spool and valve pocket thus.
7. T type tee ball valve according to claim 6 is characterized in that: said return unit is a Returnning spring, offers on the said seal valve seat to supply Returnning spring to install the spring groove of usefulness, and this spring groove is positioned on the seal valve seat and is provided with than the distally apart from valve pocket.
8. T type tee ball valve according to claim 7, it is characterized in that: said seal arrangement also includes seal ring, also is provided with the seal groove that supplies seal ring to install usefulness between said seal valve seat and valve seat groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110251697A CN102305300A (en) | 2011-08-29 | 2011-08-29 | T-shaped three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110251697A CN102305300A (en) | 2011-08-29 | 2011-08-29 | T-shaped three-way ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN102305300A true CN102305300A (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110251697A Pending CN102305300A (en) | 2011-08-29 | 2011-08-29 | T-shaped three-way ball valve |
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| Country | Link |
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| CN (1) | CN102305300A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696550A (en) * | 2015-03-16 | 2015-06-10 | 成都美景舒适家居有限公司 | Multi-purpose composite pipeline connecting component with bypass |
| CN106523733A (en) * | 2016-12-23 | 2017-03-22 | 王小东 | Multifunctional ball valve for safety valve pressure test device |
| CN109770430A (en) * | 2017-11-14 | 2019-05-21 | 上海烟草集团有限责任公司 | A kind of electronic cigarette |
| CN112205887A (en) * | 2020-09-30 | 2021-01-12 | 宁波方太厨具有限公司 | Exhaust structure of steaming and baking cooking equipment and steaming and baking integrated machine |
| CN113834262A (en) * | 2021-09-27 | 2021-12-24 | 珠海格力电器股份有限公司 | Air door assembly and refrigerator |
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| CN1884885A (en) * | 2006-07-11 | 2006-12-27 | 金华职业技术学院 | Symmetric three-way ball valve |
| CN101050818A (en) * | 2007-04-26 | 2007-10-10 | 浙江超达阀门股份有限公司 | Wear resistance ball valve |
| CN201884717U (en) * | 2010-12-28 | 2011-06-29 | 图木舒克市瑞祥塑业有限公司 | Special three-way valve for water-saving irrigation |
| CN202188168U (en) * | 2011-08-29 | 2012-04-11 | 浙江超达阀门股份有限公司 | T-shaped three-way ball valve |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1884885A (en) * | 2006-07-11 | 2006-12-27 | 金华职业技术学院 | Symmetric three-way ball valve |
| CN101050818A (en) * | 2007-04-26 | 2007-10-10 | 浙江超达阀门股份有限公司 | Wear resistance ball valve |
| CN201884717U (en) * | 2010-12-28 | 2011-06-29 | 图木舒克市瑞祥塑业有限公司 | Special three-way valve for water-saving irrigation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696550A (en) * | 2015-03-16 | 2015-06-10 | 成都美景舒适家居有限公司 | Multi-purpose composite pipeline connecting component with bypass |
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| CN106523733A (en) * | 2016-12-23 | 2017-03-22 | 王小东 | Multifunctional ball valve for safety valve pressure test device |
| CN109770430A (en) * | 2017-11-14 | 2019-05-21 | 上海烟草集团有限责任公司 | A kind of electronic cigarette |
| CN112205887A (en) * | 2020-09-30 | 2021-01-12 | 宁波方太厨具有限公司 | Exhaust structure of steaming and baking cooking equipment and steaming and baking integrated machine |
| CN113834262A (en) * | 2021-09-27 | 2021-12-24 | 珠海格力电器股份有限公司 | Air door assembly and refrigerator |
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Application publication date: 20120104 |