CN101706011A - Cam pressing type tee ball valve - Google Patents
Cam pressing type tee ball valve Download PDFInfo
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- CN101706011A CN101706011A CN200910110164A CN200910110164A CN101706011A CN 101706011 A CN101706011 A CN 101706011A CN 200910110164 A CN200910110164 A CN 200910110164A CN 200910110164 A CN200910110164 A CN 200910110164A CN 101706011 A CN101706011 A CN 101706011A
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- cam
- pressing type
- tee ball
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Abstract
The invention relates to a cam pressing type tee ball valve, comprising a tee valve, a valve plug and a rotation driving mechanism for driving valve plug to rotate disposed in the tee valve, and a pressing mechanism disposed on the valve. The pressing mechanism comprises a pressing shaft driven by external and a pressing cam which is fixed on a stretching end of a pressing shaft inserted into the valve. A cam counter bore which is matched with the pressing cam is disposed on the valve plug. During the rotation of valve plug, the valve plug always inclines towards one side of an inlet of the valve and the sealing surfaces of the valve plug and an outlet do not contact with each other so the sliding friction problem of prior art does not exist and the service life of the valve is prolonged.
Description
Technical field
The present invention relates to a kind of tee ball valve, more particularly, relate to a kind of cam pressing type tee ball valve.
Background technique
General ball valve comprises valve body and is arranged on the interior spherical valve core of valve body, offers the communication passage of connection import to outlet on the spool, and valve body is provided with and drives the rotating drive mechanism that spool rotates in valve body.Can drive valve core rotation by rotating drive mechanism, make channel alignment or depart from import and export, realize the unlatching of valve or close.Interior sealing between valve body and the spool mainly is by elastic elements such as sealing gasket being set on valve body internal valve cavity wall, utilizing sealing gasket to cooperate with spool.When opening and closing ball valve, there is sliding friction in the surface of sealing gasket and spherical valve core; The long-term use, sealing gasket is easy to wearing and tearing, causes internal leakage, needs irregularly to change sealing gasket, safeguards that cost is higher.
For tee ball valve, have an import and two outlets on the valve body usually, need to guarantee to have only an outlet to be communicated with simultaneously with import, thereby higher to the requirement of internal leakage, this makes that the frequency of changing sealing gasket is faster, maintenance cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is, has the problem of internal leakage greatly at tee ball valve in the prior art, provides a kind of interior sealing more reliable, more durable cam pressing type tee ball valve.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of cam pressing type tee ball valve, comprise three way valve, be arranged on the spool in the three way valve and drive the rotating drive mechanism of valve core rotation, also comprise the hold-down mechanism that is arranged on the valve body, described hold-down mechanism comprises by the compression axis of external drive, be fixed on compression axis stretches into the cam that compresses on the inserting end in the valve body, and described spool is provided with described and compresses the cam counterbore that cam is complementary.
In cam pressing type tee ball valve of the present invention, described rotating drive mechanism rotates in valve body by the described spool of drive shaft that is arranged on the valve body.
In cam pressing type tee ball valve of the present invention, the end of matching with spool on the described live axle is provided with flat position, and described spool is provided with the axis hole that is complementary with described flat position.
In cam pressing type tee ball valve of the present invention, described live axle and compression axis be arranged in parallel.
In cam pressing type tee ball valve of the present invention, the coaxial setting of described live axle and compression axis.
In cam pressing type tee ball valve of the present invention, at least one in the import of described valve body and the outlet is arranged on the transition body, and described transition body is fixedly connected on the described valve body.
In cam pressing type tee ball valve of the present invention, be provided with seal ring with the spool place of matching on the described transition body.
In cam pressing type tee ball valve of the present invention, the cooperation place with described spool on the described seal ring is provided with rounding.
Implement cam pressing type tee ball valve of the present invention, has following beneficial effect: by hold-down mechanism is set on valve body, and hold-down mechanism comprises that band compresses the compression axis of cam, the cam counterbore that compresses on cam and the spool matches. and when rotating drive mechanism drives valve core rotation, make the communication passage of spool that the import and first outlet are communicated with; The drive pressure mandrel drives and compresses cam rotation again, make the jut that compresses cam towards second outlet, and then make spool to the second outlet lopsidedness, thereby spool is pressed on second outlet port, second outlet can be lived by the spool reliable sealing. when needs commutate, elder generation's drive pressure mandrel drives and compresses cam rotation, makes the jut that compresses cam towards import, and then spool breaks away from cooperating of the second exit seal face to the import lopsidedness; By the drive mechanism valve core rotation, make that the communication passage on the spool is communicated with the import and second outlet again; The drive pressure mandrel drives and compresses cam rotation again, makes the jut that compresses cam towards first outlet, and then makes spool to the first outlet lopsidedness, makes spool be pressed on first outlet port and export reliable sealing with first.
In the valve core rotation process, because spool is all the time towards valve body import lopsidedness, spool does not exist with sealing surfaces between the outlet and contacts, and does not just have sliding friction of the prior art yet, thereby has prolonged working life.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the stereogram of cam pressing type tee ball valve preferred embodiment of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the explosive view of cam pressing type tee ball valve preferred embodiment of the present invention;
Fig. 4 is the sectional view of cam pressing type tee ball valve preferred embodiment of the present invention;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 a be in the cam pressing type tee ball valve preferred embodiment of the present invention seal spool first when outlet eccentric cam with the cam counterbore between cooperate schematic representation;
Fig. 6 b cooperates schematic representation between eccentric cam and the cam counterbore at seal spool during in import in the cam pressing type tee ball valve preferred embodiment of the present invention;
Fig. 6 c be in the cam pressing type tee ball valve preferred embodiment of the present invention seal spool second when outlet eccentric cam with the cam counterbore between cooperate schematic representation.
Embodiment
Shown in Fig. 1 to 5, in the preferred embodiment of cam pressing type tee ball valve of the present invention, comprise spool 20, rotating drive mechanism, the hold-down mechanism of valve body 10, sphere.Wherein, offering an import 11 and two outlet 12a, 12b on the valve body 10, is the valve pocket 13 of hollow between import 11 and outlet 12a, the 12b, and valve pocket 13 is set to the sphere that is complementary with spool 20.Be provided with communication passage 23 in the spool 20, this communication passage 23 can be communicated with import 11 and one outlet 12a or 12b.Comprise a live axle 31 and power source (not shown) in the rotating drive mechanism, power source can be the motor equal power device that can make that live axle 31 rotates as required.Live axle 31 rotates and is arranged on the valve body 10, and the one end is connected setting with spool 20, and the other end is connected setting with power source.Particularly, shown in Fig. 3,4, live axle 31 is provided with shaft shoulder 31a, and live axle 31 inserts in the axis hole 14a that offers on the valve body 10, and the sheathed sealing gasket that seals 32 on live axle 31 is fixed on live axle 31 in this axis hole 14a with end cap 33 again.
Shown in Fig. 3,4, in this preferred embodiment, the end of matching with spool 20 on the live axle 31 preferably is set is provided with flat position 34, and spool 20 is provided with and these flat position 34 axis holes that are complementary 21, when flat position 34 cooperated with this axis hole 21, live axle 31 can drive spool 20 and rotate in valve pocket 13.
As Fig. 2,3, shown in 4, in this preferred embodiment, hold-down mechanism is set to be comprised compression axis 41 and compresses cam 42. wherein, compression axis 41 rotates and is arranged on the valve body 10, can equally be provided with live axle 31 particularly, by end cap 43 compression axis 41 being fixed in the axis hole 14b that offers on the valve body 10. the end that compression axis 41 stretches out in the valve body outside can be driven by the drive unit (not shown) that compresses of outer installment, compress cam 42 and be arranged on the inserting end 41a. that stretches on the compression axis 41 in the valve body particularly, fixing pin 44 can be inserted in and compress between cam 42 and the compression axis 41, thereby will compress the inserting end 41a. spool 20 that cam 42 is fixed on compression axis and be provided with cam counterbore 22, just in time can put into this cam counterbore 22 with compressing cam 42. at this preferred embodiment, preferably live axle 31 and compression axis 41 are set in parallel in the two ends of spool 20, make spool 20 can driven shaft 31 and compression axis 41 be positioned at together in the valve pocket 13. preferably with live axle 31 and compression axis 41 coaxial settings, make spool 20 in rotation process, the moment of torsion that compression axis 41 is subjected to is less.
Shown in Fig. 1,2,3,4, in this preferred embodiment, an import 11 and two outlets 12a, 12b of preferred valve body are provided with transition body 15.Offer through hole on the transition body 15, this through hole is as import 11 or outlet 12a, 12b.Transition body 15 is fixed on the valve body 10, and the exterior edge face of transition body 15 can be provided with flange plate, in order to be connected with pipeline.As shown in Figure 3, the radius R greater than spherical valve core 20 with the radius D/2 of the opening of transition body 15 joints preferably is set on the valve body 10, and the through hole radius d/2 of transition body 15 is less than the radius R of spool 20, in this makes that spool 20 can be packed valve pocket 13 into from the opening of valve body 10, and transition body 15 can be limited in spool 20 in the valve pocket 13 and can not skid off.During installation, in the valve pocket 13 of earlier spool 20 being packed into, again transition body 15 is utilized fastening piece such as screw or fastening structure to be fixed on the valve body 10.Seal ring 16 preferably is set on the end face that matches with valve body 10 on the transition body 15, and sealing circle 16 cooperates the formation sealing surface with spool 20.Add man-hour like this, can separately seal ring 16 be taken off, and then the high sealing surface of requirement on machining accuracy is processed, avoided the processing of sealing surface is carried out in valve pocket 13 inside, make that processing is more convenient.Preferably be provided with on the seal ring 16 and be provided with rounding 17 with spool 20 cooperation places, the spherical surface near communication passage 23 places on this rounding 17 and the spool 20 forms linear sealing.Seal ring 16 on the preferred two outlet port transition bodies 15 is made for rigid material, its can and the spherical surface of spool 20 between form rigid seal; Seal ring 16 on the preferred import 11 places transition body 15 is made for plastic material, makes to form flexible sealing between import 11 places and spool 20 spherical surfaces.Simultaneously, the 16 pairs of spools 20 of three seal rings in this preferred embodiment have the effect of location.
During use, make live axle 31 drive spools 20 by rotating drive mechanism and valve pocket 13 in, rotate, until the communication passage 23 of spool 20 import 11 and first is exported 12a and be communicated with; Shown in Fig. 6 a, make compression axis 41 drives compress cam 42 rotations by compressing driving mechanism this moment again, make the jut 42a that compresses cam towards the second outlet 12b, one side, thereby make the bottom of spool 20 to the second outlet 12b lopsidedness, make the spherical surface at connecting passage 23 places on the spool 20 be pressed on the rounding 17 of the second outlet port seal ring 16 and form linear sealing; Form because this linear sealing is spherical surface and rounding,, form oval-shaped linear sealing so even spool 20 tilts to some extent, this linear sealing also can adaptively be adjusted.
When needs turn to, shown in Fig. 6 b, at first drive and compress cam 42 and clockwise rotate by compressing drive mechanism compression axis 41, make and compress the protruding part 42a of cam towards import 11, thereby make the bottom of spool 20 towards import 11 lopsidedness, make the spherical surface of spool 20 break away from the surface of the seal ring 16 of the second outlet 12b.Make live axle 31 drive whole spool 20 by rotating drive mechanism again and rotate this moment, the import 11 and the second outlet 12b are communicated with until the communication passage 23 of spool 20; Shown in Fig. 6 c, at this moment, clockwise rotate by compressing drive mechanism compression axis 41 again, make the protruding part 42a that compresses cam that is fixed on the compression axis 41 export 12a towards first, thereby make the bottom of spool 20 towards the first outlet 12a lopsidedness, make the soccer star surface of spool 20 be pressed on the seal ring 16 of the first outlet 12a.
This shows, in whole using process, spool 20 is pressed on the seal ring 16 of one of them outlet 12a or 12b all the time, thereby reach the purpose of reliable sealing. in addition, before spool 20 rotates, the spherical surface of spool 20 all can break away from the surface of outlet port seal ring 16 earlier, thereby can prevent effectively that sliding friction is to the damage of the sealing surface on spool 20 and the seal ring 16 in the rotation process, make longer service life, more durable. simultaneously, because near the spherical surface on 16 of seal rings and the valve body communication passage 23 matches, therefore during the sealing surface on processing spool 20, only need processing near near the spherical surface the communication passage 23, and need not whole spherical surface is processed according to the precision of sealing surface, thereby saved processing cost.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. cam pressing type tee ball valve, comprise three way valve, be arranged on the spool in the three way valve and drive the rotating drive mechanism of valve core rotation, it is characterized in that, also comprise the hold-down mechanism that is arranged on the valve body, described hold-down mechanism comprises by the compression axis of external drive, be fixed on compression axis stretches into the cam that compresses on the inserting end in the valve body, and described spool is provided with described and compresses the cam counterbore that cam is complementary.
2. according to the described cam pressing type tee ball valve of claim 1, it is characterized in that described rotating drive mechanism rotates in valve body by the described spool of drive shaft that is arranged on the valve body.
3. according to the described cam pressing type tee ball valve of claim 2, it is characterized in that the end of matching with spool on the described live axle is provided with flat position, described spool is provided with the axis hole that is complementary with described flat position.
4. according to each described cam pressing type tee ball valve in the claim 1 to 3, it is characterized in that described live axle and compression axis be arranged in parallel.
5. according to the described cam pressing type tee ball valve of claim 4, it is characterized in that the coaxial setting of described live axle and compression axis.
6. according to the described cam pressing type tee ball valve of claim 1, it is characterized in that at least one in the import of described valve body and the outlet is arranged on the transition body, described transition body is fixedly connected on the described valve body.
7. according to the described cam pressing type tee ball valve of claim 6, it is characterized in that, be provided with seal ring with the spool place of matching on the described transition body.
8. according to the described cam pressing type tee ball valve of claim 7, it is characterized in that the cooperation place with described spool on the described seal ring is provided with rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110164A CN101706011A (en) | 2009-11-09 | 2009-11-09 | Cam pressing type tee ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110164A CN101706011A (en) | 2009-11-09 | 2009-11-09 | Cam pressing type tee ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101706011A true CN101706011A (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910110164A Pending CN101706011A (en) | 2009-11-09 | 2009-11-09 | Cam pressing type tee ball valve |
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| Country | Link |
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| CN (1) | CN101706011A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829197A (en) * | 2011-06-16 | 2012-12-19 | 伯特利阀门集团有限公司 | High-performance upload type butterfly valve |
| CN104864113A (en) * | 2015-04-18 | 2015-08-26 | 张新丰 | Rigidity-seal ball valve with guide rail |
| CN104896147A (en) * | 2015-04-23 | 2015-09-09 | 武汉理工大学 | Tee reversing valve |
| CN108843821A (en) * | 2018-08-09 | 2018-11-20 | 金华市宏昌电器有限公司 | Valve module |
| CN111741702A (en) * | 2017-12-21 | 2020-10-02 | 皇家飞利浦有限公司 | Coffee machine with integrated steam and hot water production |
| CN115265067A (en) * | 2022-06-28 | 2022-11-01 | 大力神铝业股份有限公司 | Vertical distribution's double-chamber formula cooling trough system |
-
2009
- 2009-11-09 CN CN200910110164A patent/CN101706011A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829197A (en) * | 2011-06-16 | 2012-12-19 | 伯特利阀门集团有限公司 | High-performance upload type butterfly valve |
| CN102829197B (en) * | 2011-06-16 | 2014-09-24 | 伯特利阀门集团有限公司 | High-performance upload type butterfly valve |
| CN104864113A (en) * | 2015-04-18 | 2015-08-26 | 张新丰 | Rigidity-seal ball valve with guide rail |
| CN104896147A (en) * | 2015-04-23 | 2015-09-09 | 武汉理工大学 | Tee reversing valve |
| CN111741702A (en) * | 2017-12-21 | 2020-10-02 | 皇家飞利浦有限公司 | Coffee machine with integrated steam and hot water production |
| US11871869B2 (en) | 2017-12-21 | 2024-01-16 | Versuni Holding B.V. | Coffee machine with integrated steam and hot water generation |
| CN108843821A (en) * | 2018-08-09 | 2018-11-20 | 金华市宏昌电器有限公司 | Valve module |
| CN108843821B (en) * | 2018-08-09 | 2024-05-03 | 浙江宏昌电器科技股份有限公司 | Valve assembly |
| CN115265067A (en) * | 2022-06-28 | 2022-11-01 | 大力神铝业股份有限公司 | Vertical distribution's double-chamber formula cooling trough system |
| CN115265067B (en) * | 2022-06-28 | 2024-02-20 | 大力神铝业股份有限公司 | Vertical-distribution double-cavity cooling water tank system |
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Application publication date: 20100512 |