CN201661691U - Two-position control valve with single floating ball - Google Patents
Two-position control valve with single floating ball Download PDFInfo
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- CN201661691U CN201661691U CN2010201640411U CN201020164041U CN201661691U CN 201661691 U CN201661691 U CN 201661691U CN 2010201640411 U CN2010201640411 U CN 2010201640411U CN 201020164041 U CN201020164041 U CN 201020164041U CN 201661691 U CN201661691 U CN 201661691U
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- connecting rod
- valve body
- control valve
- position control
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Abstract
The utility model relates to a two-position control valve with a single floating ball, which can adjust difference of liquid level and conduct two-position control, and comprises a connecting rod, a floating ball and a valve body, wherein the connecting rod is connected on the valve body by a pin, one end of the connecting rod is connected with the floating ball, the other end thereof is connected with a valve spindle by the pin, the valve spindle is arranged in a valve spindle hole in the valve body, a water inlet of the valve body is communicated with the valve spindle hole, and the valve body is respectively provided with a drainage groove and a positioning hole which externally penetrate through the valve spindle hole. The drainage groove is positioned between the positioning hole and the water inlet, the positioning hole is internally provided with a positioning self-locking device comprising a steel ball arranged in the positioning hole, a spring is arranged above the steel ball, the top of the positioning hole is provided with an adjusting bolt, the valve spindle is provided with a notch, and the left end of the valve spindle is fixed with at least one sealing ring and a compression bolt. The two-position control valve can be widely applied to special occasions of chemical production, inflammable and explosive conditions, damping conditions and the like, thus having strong environment adaptbility.
Description
Technical field
The utility model relates to a kind of control valve special of automatic controller, and more particularly, it is high and low that the utility model relates to a kind of liquid level of utilizing, and realizes the Special Automatic control valve device that two level control valve doors open and close.
Background technique
In a lot of devices, usually need to use the water level autocontrol valve, because simple in structure, with low cost, the floater controlled valve utilization of pure mechanical structure is especially extensive, in the prior art, a kind of known float valve is arranged, it comprises ball float and valve body, be provided with pressure valve in the valve body, pressure valve is provided with a depression bar, and depression bar is supported on the ball float wall, when water level reduces, ball float descends, and depression bar is stressed to be reduced, and pressure valve is opened water; When water level raise, ball float rose gradually, and depression bar is stressed to be increased gradually, promotes the pressure valve motion, the closing pressure valve; Because this design does not have other switch or limit stoper, can not realize the dibit control of water level, application is limited, and sensitivity simultaneously is too high, opens and closes continually during use, and working life is limited; Publication number is that the Chinese patent of CN 1483975A discloses a kind of dibit control float valve, comprise ball float and valve body, the ball float left side is connected with the right-hand member of ball float arm, the left end of ball float arm is provided with shift fork, and the ball float arm rotatably is connected on the connecting rod, and a movable valve plug and a mandrel fix, the mandrel right-hand member is provided with a bending, described bending is inserted in the shift fork, is provided with movable valve plug and fixed valve plug in the valve body, and movable valve plug and fixed valve plug are provided with the water hole of matching; Utilize the bending of shift fork driving mandrel at regular intervals and make the mandrel rotation with opening/shutting valve, solved the problem of dibit control, but still there is deficiency: the one, because the upper and lower difference of liquid level in the control range is identical with the spacing of shift fork, cause the stroke of bending in shift fork limited, can only be applicable to the fluid infusion dibit control of less difference of liquid level.
The model utility content
The purpose of this utility model provides a kind of two position control valve that is applicable to adjustable difference of liquid level.
In order to solve the problems of the technologies described above, the utility model provides following technological scheme:
A kind of single-floating ball two position control valve, comprise connecting rod 1, ball float 2 and valve body 3, connecting rod 1 pin joint is on valve body 3, one end of connecting rod 1 is connected with ball float 2, the other end of described connecting rod 1 and poppet shaft 4 pin joints, being arranged in the spool axis hole 5 in the valve body 3 of described poppet shaft 4, the water intake 6 of described valve body 3 is communicated with spool axis hole 5, be respectively arranged with drainage groove 7 and the positioning hole that is through to spool axis hole 5 from the outside on the described valve body 3, described drainage groove 7 is between positioning hole and water intake 6, be provided with positioning self-lock device in the described positioning hole, described positioning self-lock device comprises the steel ball 8 that is arranged in the positioning hole, and described steel ball 8 tops are provided with spring 9, and described positioning hole top is provided with regulates bolt 10, described poppet shaft 4 is provided with recess, and the left end of described poppet shaft 4 is fixed with at least one seal ring 11 and hold-down bolt 19.
Described connecting rod 1 is L shaped, described connecting rod 1 around the corner with valve body 3 pin joints.After adopting L shaped structure, can be with the lifting power of ball float, the cross bar that promotes connecting rod rotates the rotation that becomes montant, can drive poppet shaft and laterally move, and water intake is closed and opened.
The cross bar of described connecting rod 1 is fixedlyed connected with control valve handle 12, and described control valve handle 12 is provided with screw, and screw rod pin 13 is installed on the described screw, and described screw rod pin 13 is connected with the upper end of connection chain 14 is dismantled and assembled; Described ball float 2 is threaded with the lower end in addition of connection chain 14; After adopting this structure, not only ball float removably can be fixed on the control valve handle, and ball float can reach the effect of satisfying different difference of liquid level opening/shutting valves by the length of screw rod pin adjusting connection chain.
Described valve body 3 bottoms also are installed with a connecting rod rest 15, and described connecting rod rest 15 is provided with the containing groove of connecting rod 1; After adopting such structure, connecting rod can more firmly be fixed on the valve body, and valve body must specially not processed yet simultaneously, makes production convenient.
Be set with ball float location cylinder 16 cylindraceous outside the described ball float 2; After adopting this structure, can guarantee vertically displacement of ball float, solve the problem that chain can not be controlled the ball float horizontal motion that flexibly connects.This location cylinder structure also can adopt other similar guiding devices to replace, as the positioning device of shapes such as basket, basket etc.
Described positioning hole is provided with sleeve 17, and described spring 9 is arranged in the sleeve 17, and described adjusting bolt 10 is installed in the top of sleeve 17, and 17 in described adjusting bolt 10 and sleeve are provided with locking nut 18; After adopting this structure, can adjust the coupling mechanism force of poppet shaft arbitrarily, the assurance valve can be closed in self-locking, can make making a concerted effort valve open of ball float and valve handle again.
The left side of described poppet shaft 4 is respectively arranged with the containing groove and the hold-down bolt 19 of seal ring 11, on the described hold-down bolt 19 pad 20 is installed, and the section radius of described pad 20 is greater than the section radius of the containing groove of seal ring; After adopting this structure, seal ring can more closely be fixed on the poppet shaft, simultaneously the maximum opening of may command valve and change rubber gasket easily.
Working principle of the present utility model is:
When liquid level in the container is raised to a setting high position, utilize the lift promotion valve handle ball float is subjected to floating function in liquid after, utilize lever principle, ball float promotes the connecting rod rotation moves to left poppet shaft, thereby makes valve closing, simultaneously, the positioning device self-locking.
When liquid level in the container drops to when setting low liquid level, ball float acts on power on the connecting rod greater than self-lock force, the positioning device release, and poppet shaft moves right, and utilizes the valve opening of making a concerted effort to make of ball float, valve handle and high position tank liquid, thereby realizes dibit control.
The beneficial effect of the utility model single-floating ball two position control valve is: be provided with positioning self-lock device.Described positioning self-lock device is stated positioning self-lock device and is comprised the steel ball that is arranged in the positioning hole on valve top, and described steel ball top is provided with spring, and described positioning hole top is provided with adjusting screw.Moving of the leverage control valve mandrel of single-floating ball by connecting rod is set, realizes the dibit control of valve.With low cost, simple in structure, simultaneously, solved the control problem that connecting rod is moved by ball float only in vertical direction.This valve needing in the automatic volume metering equipment can be widely used in, because low spot is adjustable, more is applicable in adjustable volume metering equipment; Be subjected to environmental constraint little simultaneously, can be used in special places such as Chemical Manufacture, inflammable and explosive and humidity widely, adaptive capacity to environment is strong.
Description of drawings
Fig. 1 is the structural representation of the utility model single-floating ball two position control valve.
Wherein: 1 connecting rod, 2 ball floats, 3 valve bodies, 4 poppet shaft, 5 spool axis holes, 6 water intakes, 7 drainage grooves, 8 steel balls, 9 springs, 10 regulate bolt, 11 seal rings, 12 control valve handles, 13 screw rod pins, 14 connection chains, 15 connecting rod rests, 16 ball float location cylinders, 17 sleeves, 18 locking nuts, 19 hold-down bolts, 20 pads.
Embodiment
As shown in Figure 1, in the utility model single-floating ball two position control valve, the left side of valve body 3 is provided with water intake 6, and water intake 6 can be communicated with outside intake pipe; Ball float 2 is placed in the location cylinder 16, and the side of location cylinder 16 is provided with into water hole slot, and the location cylinder diameter is a bit larger tham ball float, plays the effect that limits ball float motion in the horizontal direction.The top of ball float 2 is provided with screw, the bottom of connection chain 14 is threaded on the screw, connection chain 14 is a flexible chain, and connection chain 14 tops are put in the hole of screw rod pin 13, screw rod pin 13 pass the screw of control on the valve handle 12 after link together with connection chain 14 tops.The left end of control valve handle 12 is fixed on the cross bar of L shaped connecting rod 1, and the corner of connecting rod 1 is arranged in the containing groove of connecting rod rest 15, and connecting rod 1 and connecting rod rest 15 link together by a straight pin that runs through connecting rod rest 15.Connecting rod 1 behind the pin joint can rotate around pin with respect to connecting rod rest 15, connecting rod rest 15 by screw in valve body 3 bottoms.The montant end of connecting rod 1 and poppet shaft 4 pin joints, poppet shaft 4 right-hand members are provided with the preformed hole of a ccontaining connecting rod 1, and connecting rod 1 passes this preformed hole and logical straight pin links together.Connecting back valve core axle 4 can rotate around pin with respect to connecting rod 1.In the spool axis hole 5 that poppet shaft 4 is arranged in the valve body 3 with water intake 6 is communicated with, poppet shaft 4 can move freely in spool axis hole 5.Valve body 3 is provided with a positioning hole that is through to spool axis hole 5 from the outside, and the direction of positioning hole is vertical with poppet shaft 4.Positioning self-lock device is installed on the positioning hole.Positioning self-lock device comprises a steel ball 8 that is positioned at positioning hole, the bottom of steel ball 8 contacts with poppet shaft 4 surfaces, the top of steel ball 8 is provided with a spring 9, the diameter of spring 9 is slightly less than the diameter of steel ball 8, spring 9 is arranged in the sleeve 17, sleeve 17 is threaded on the valve body 3, direction is coaxial with positioning hole, be provided with in the sleeve 17 and regulate bolt 10, regulate bolt 10 and be provided with locking nut 18, regulating bolt 10 is pressed on steel ball 8 on the poppet shaft 4 by spring 9, the direction that poppet shaft 4 contacts with steel ball 8 is provided with a hemispherical groove, the profile of the size of ball-type groove and steel ball 8 is suitable, and steel ball 8 was near the point of contact on the poppet shaft 4 when this groove was positioned at seal ring 11 and water intake 6 liquid close fits.Valve body 3 is milled with the drainage groove 7 that is through to spool axis hole 5 from the outside between positioning hole and water intake 6, there is a seal ring containing groove slightly littler than poppet shaft 4 cross sections the left end end of poppet shaft 4, be fixed with seal ring 11 on the seal ring containing groove, sealing ring 11 is a rubber seal ring, the right side of being close to rubber seal ring also is fixed with a steel seal ring, and the shape of seal ring 11 and drainage groove 7 are suitable.The left end end face of poppet shaft 4 is provided with a hold-down bolt 19 coaxial with poppet shaft 4,4 of hold-down bolt 19 and poppet shaft also are provided with pad 20, the cross section radius of the cross section radius ratio poppet shaft 4 of pad 20 is big slightly, after tightening hold-down bolt 19, pad 20 is pressed on seal ring 11 on the poppet shaft 4.
As another kind of embodiment of the present utility model, at connecting rod 1 is a cross bar, its middle part and valve body 3 pin joints, one end and ball float 2 are fixed together by connection chain 14, the other end is provided with guide groove, poppet shaft 4 ends are provided with locating stud, and locating stud and guide groove shape are suitable, and locating stud is arranged in the guide groove of connecting rod 1.
As equivalent mode of execution of the present utility model; as omit annexes such as sleeve 17, connecting rod rest 15 or control valve handle 12; or adopt straight pin to replace screw rod pin 13 to realize dismantled and assembled connection etc.; its operation principles there is no the material change; can be considered equivalent mode of execution of the present utility model, all in protection domain of the present utility model.
Claims (7)
1. single-floating ball two position control valve, comprise connecting rod (1), ball float (2) and valve body (3), connecting rod (1) pin joint is on valve body (3), one end of connecting rod (1) is connected with ball float (2), it is characterized in that: the other end of described connecting rod (1) and poppet shaft (4) pin joint, being arranged in the interior spool axis hole (5) of valve body (3) of described poppet shaft (4), the water intake (6) of described valve body (3) is communicated with spool axis hole (5), be respectively arranged with the drainage groove (7) and the positioning hole that are through to spool axis hole (5) from the outside on the described valve body (3), described drainage groove (7) is positioned between positioning hole and the water intake (6), be provided with positioning self-lock device in the described positioning hole, described positioning self-lock device comprises the steel ball (8) that is arranged in the positioning hole, described steel ball (8) top is provided with spring (9), described positioning hole top is provided with regulates bolt (10), described poppet shaft (4) is provided with recess, and the left end of described poppet shaft (4) is fixed with at least one seal ring (11) and hold-down bolt (19).
2. single-floating ball two position control valve according to claim 1 is characterized in that: described connecting rod (1) is for L shaped, described connecting rod (1) around the corner with valve body (3) pin joint.
3. single-floating ball two position control valve according to claim 2, it is characterized in that: the cross bar of described connecting rod (1) is fixedlyed connected with control valve handle (12), described control valve handle (12) is provided with screw, screw rod pin (13) is installed, the dismantled and assembled connection of upper end of described screw rod pin (13) and connection chain (14) on the described screw; Described ball float (2) is threaded with the lower end in addition of connection chain (14).
4. single-floating ball two position control valve according to claim 1 is characterized in that: described valve body (3) bottom also is installed with a connecting rod rest (15), and described connecting rod rest (15) is provided with the containing groove of connecting rod (1).
5. single-floating ball two position control valve according to claim 1 is characterized in that: the outer ball float location cylinder cylindraceous (16) that is set with of described ball float (2).
6. single-floating ball two position control valve according to claim 1, it is characterized in that: described positioning hole is provided with sleeve (17), described spring (9) is arranged in the sleeve (17), described adjusting bolt (10) is installed in the top of sleeve (17), is provided with locking nut (18) between described adjusting bolt (10) and sleeve (17).
7. single-floating ball two position control valve according to claim 1, it is characterized in that: the left side of described poppet shaft (4) is respectively arranged with the containing groove and the hold-down bolt (19) of seal ring (11), pad (20) is installed on the described hold-down bolt (19), and the section radius of described pad (20) is greater than the section radius of the containing groove of seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201640411U CN201661691U (en) | 2010-04-20 | 2010-04-20 | Two-position control valve with single floating ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201640411U CN201661691U (en) | 2010-04-20 | 2010-04-20 | Two-position control valve with single floating ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661691U true CN201661691U (en) | 2010-12-01 |
Family
ID=43232106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201640411U Expired - Fee Related CN201661691U (en) | 2010-04-20 | 2010-04-20 | Two-position control valve with single floating ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661691U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520869A (en) * | 2013-10-24 | 2014-01-22 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN104267749B (en) * | 2014-09-23 | 2017-01-04 | 浙江海洋大学 | Non-transformer automatic controller for water level |
| CN106523774A (en) * | 2016-12-15 | 2017-03-22 | 深圳安吉尔饮水产业集团有限公司 | Self-locking type mechanical ball float valve device and self-locking method thereof |
| CN110292020A (en) * | 2019-07-22 | 2019-10-01 | 谢丽娜 | A kind of water injection rate sub-control adjustment equipment |
-
2010
- 2010-04-20 CN CN2010201640411U patent/CN201661691U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520869A (en) * | 2013-10-24 | 2014-01-22 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN103520869B (en) * | 2013-10-24 | 2016-09-07 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN104267749B (en) * | 2014-09-23 | 2017-01-04 | 浙江海洋大学 | Non-transformer automatic controller for water level |
| CN106523774A (en) * | 2016-12-15 | 2017-03-22 | 深圳安吉尔饮水产业集团有限公司 | Self-locking type mechanical ball float valve device and self-locking method thereof |
| CN110292020A (en) * | 2019-07-22 | 2019-10-01 | 谢丽娜 | A kind of water injection rate sub-control adjustment equipment |
| CN110292020B (en) * | 2019-07-22 | 2022-05-31 | 东营联合石化有限责任公司 | Water injection amount sub-control adjusting equipment |
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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: 20101201 Termination date: 20170420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |