CN202674363U - Ball valve structure and ball valve based on cam control - Google Patents
Ball valve structure and ball valve based on cam control Download PDFInfo
- Publication number
- CN202674363U CN202674363U CN2012202525369U CN201220252536U CN202674363U CN 202674363 U CN202674363 U CN 202674363U CN 2012202525369 U CN2012202525369 U CN 2012202525369U CN 201220252536 U CN201220252536 U CN 201220252536U CN 202674363 U CN202674363 U CN 202674363U
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- valve
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- rotation bar
- ball
- camshaft
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Abstract
The utility model relates to a ball valve structure based on cam control. The ball valve structure based on cam control comprises a valve bonnet, a valve body and a valve spool, the valve bonnet is fixedly mounted on the valve body, the valve spool is mounted on a universal seat in the valve body, a cam shaft is mounted on the valve bonnet, a cam is fixedly mounted at the lower end of the cam shaft, a shifting fork is fixedly mounted on the cam shaft between the cam and the valve bonnet, the lower portion of a swing rod is coaxially sleeved with the upper portion of the valve spool to achieve swing of the valve spool, a spring is sleeved on the swing rod, a central groove matched with the cam is arranged on the upper end face of the swing rod so as to achieve swing of the swing rod, and an edge groove matched with the shifting fork is arranged on the circumference of the upper end face of the swing rod so as to achieve rotation of the swing rod. The ball valve structure and a ball valve based on cam control are simple, scientific and reasonable in design, low in manufacture cost, safe, reliable, accurate in action, convenient to control, low in energy consumption and good in sealability, and effectively achieve opening and closing of high pressure gas.
Description
Technical field
The utility model belongs to the ball valve field, especially a kind of ball-valve structure and ball valve based on cam control.
Background technique
Natural gas ball valve flowmeter is widely used in the national economy every field such as Ye Jin ﹑ Dian Li ﹑ization Gong ﹑ Qing Fang ﹑ Shi Pin ﹑ Yi Yao ﹑ food and drink and people's daily life, is mainly used in measuring the flow of natural gas gas.Be equipped with natural gas ball valve flowmeter metering system and can carry out quantitative management to the natural gas body, being convenient to unit measures the personal energy, ball valve in the natural gas ball valve flowmeter adopts motor, gear and screw-rod structure more, although can control the switching of natural gas line, but there are the following problems: 1, opening and closing speed is slow, on the general multiplex Yu Zhong ﹑ low pressure pipeline; 2, the complicated cost of manufacturing process is higher; 3, energy consumption is large; 4, in high pressure pipe line, open and close difficulty.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of ball-valve structure based on cam control is provided, and this ball-valve structure is simple, design science is reasonable, fabricating cost is lower, safe and reliable, action is accurate, be convenient to control, energy consumption is little.
Another purpose of the present utility model is to provide a kind of ball valve based on cam control.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of ball-valve structure based on cam control, comprise valve gap, valve body, spool, valve gap is packed on the valve body, spool is installed on the interior universal base of valve body, it installs a camshaft at valve gap, be fixedly mounted with cam in the camshaft lower end, camshaft between cam and valve gap is fixedly mounted with a shift fork, spool top and a rotation bar bottom coaxial package are realized the rotation of spool, be set with a spring on the rotation bar, rotation bar upper-end surface is shaped with the swing that the central recess that cooperates with cam is realized the rotation bar, is shaped with the rotation that the limit groove that cooperates with shift fork is realized the rotation bar on the circumference of rotation bar upper-end surface.
And, describedly between camshaft and valve gap, cam sleeve is installed, between cam sleeve and camshaft, seal ring is installed.
And described shift fork is fixedly mounted with by the positioning key on the camshaft and camshaft.
And the guiding annulated column is made on described spool top, is shaped with spacing hole on the spool in this guiding annulated column, and be inserted in the guiding annulated column rotation bar bottom, and rotation bar lower end is shaped with spacing plectrum and cooperates with spacing hole.
And, described rotation bar upper end is shaped with boss, spring fitting is on the rotation bar between boss and the spool, be shaped with the central recess that cooperates with cam above the boss, be shaped with the limit groove that cooperates with shift fork above the boss on the circumference, be fixed with rotation bar position limit pin below the boss, be fixed with backing pin at the valve gap corresponding with rotation bar position limit pin.
And described backing pin is packed on the limited ring column wall that one is made downwards below the valve gap.
And, be fixedly mounted with a safe opening position limit pin on the limited ring column wall of the described valve gap corresponding with rotation bar position limit pin.
And the aeration vent on the described valve body is equipped with O-ring seal, and the sealing cushion rubber cooperates with spool.
A kind of ball valve based on cam control, this ball valve comprises the ball-valve structure based on cam control, and it is fixedly mounted with a motor rack above valve gap, and motor is packed on the motor rack, the camshaft upper end of motor rack below is fixedly mounted with camshaft gear wheel, and this camshaft gear wheel drives by the motor gear that is fixedly mounted with on the motor.
And, be fixed with motor protecting cover on the described valve gap.
Advantage of the present utility model and beneficial effect are:
1, this ball-valve structure based on cam control rotates at valve gap installs a camshaft, be fixedly mounted with cam in the camshaft lower end, camshaft between cam and valve gap is fixedly mounted with a shift fork, spool top and a rotation bar bottom coaxial package are realized the rotation of spool, be set with a spring on the rotation bar, rotation bar upper-end surface is shaped with the swing that the central recess that cooperates with cam is realized the rotation bar, be shaped with the limit groove that cooperates with shift fork on the circumference of rotation bar upper-end surface and realize the rotation of rotation bar, this structure is utilized cam control multi-freedom degree rotation bar, realize the fast and flexible action of ball valve, and be convenient to use at the high pressure natural gas pipe, reliable operation, the switching difficulty when having solved high pressure.
2, this ball-valve structure component part based on cam control is few, easily processing, and all parts all adopt traditional diamond-making technique processing, and processing is simple, and precision easily guarantees, and work efficiency is high, and cost is low.
3, this almost relatively rotates based on the relative movement between each part of the ball-valve structure of cam control and ball valve, only having the motion between the minority part is that trace swings, transmission between each part dead point of not moving, and the minimal friction that resistance to motion produces during mainly from each part relative movement, the resistance that motor overcomes is little, and the motor power consumption is few.
4, the utility model is simple in structure, design science is reasonable, fabricating cost is lower, safe and reliable, action is accurate, be convenient to control, energy consumption is little, and good seal performance is ball-valve structure and the ball valve based on cam control that a kind of effective solution pressurized gas open and close.
Description of drawings
Fig. 1 is structural representation of the present utility model (spool open mode);
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view Amplified image;
Fig. 4 is that the C-C of Fig. 1 is to cutaway view Amplified image;
Fig. 5 is that the D-D of Fig. 2 is to cutaway view Amplified image;
Fig. 6 is structural representation of the present utility model (spool closed condition);
Fig. 7 is that the E-E of Fig. 6 is to cutaway view Amplified image.
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of ball-valve structure based on cam control, comprise valve gap 23, valve body 1, spool 17, valve gap is packed on the valve body, spool is installed on the interior universal base 14 of valve body, aeration vent on the valve body is equipped with O-ring seal 12, the sealing cushion rubber cooperates with spool, it rotates at valve gap a camshaft 20 is installed, cam sleeve 5 is installed between camshaft and the valve gap, seal ring 13 is installed between cam sleeve and camshaft, be fixedly mounted with cam 10 in the camshaft lower end, camshaft between cam and valve gap is fixedly mounted with a shift fork 9, shift fork is fixedly mounted with camshaft by the positioning key 8 on the camshaft in the present embodiment, spool top and a rotation bar 18 bottom coaxial packages are realized the rotation of spool, guiding annulated column 16 is made on spool top in the present embodiment, be shaped with spacing hole on the spool in this guiding annulated column, be inserted in the guiding annulated column rotation bar bottom, rotation bar lower end is shaped with in the spacing plectrum 15 insertion spacing holes and with spacing hole and cooperates, be set with a spring 19 on the rotation bar, rotation bar upper-end surface is shaped with the swing that the central recess 22 that cooperates with cam is realized the rotation bar, be shaped with the limit groove 28 that cooperates with the protuberance 27 of shift fork on the circumference of rotation bar upper-end surface and realize the rotation of rotation bar, rotation bar upper end is shaped with boss 21 in the present embodiment, spring fitting is on the rotation bar between boss and the spool, be shaped with the central recess that cooperates with cam above the boss, be shaped with on the circumference above the boss with shift fork on the limit groove that cooperates, be fixed with rotation bar position limit pin 24 below the boss, be fixed with backing pin 26 at the valve gap corresponding with rotation bar position limit pin, this backing pin is packed on spacing annulated column 11 inwalls that one is made downwards below the valve gap, is fixedly mounted with a safe opening position limit pin 25 on the limited ring column wall of the valve gap corresponding with rotation bar position limit pin.
A kind of ball valve based on cam control; this ball valve comprises the ball-valve structure based on cam control; it is fixedly mounted with a motor rack 4 above valve gap; motor 2 is packed on the motor rack; the camshaft upper end of motor rack below is fixedly mounted with camshaft gear wheel 6; this camshaft gear wheel drives 3 by the motor gear that is fixedly mounted with on the motor, is fixed with motor protecting cover 7 on the valve gap.
Working principle of the present utility model:
This ball valve opening procedure: motor rotates counterclockwise 90 degree drive motor gears, motor gear cooperates the drive camshaft to rotate with camshaft gear wheel, shift fork is along with camshaft rotates together, cam makes the rotation bar get back to the vertical position and breaks away from O-ring seal by rotation bar band movable valve plug, simultaneously rotation bar relative spool under the spring force effect upwards carries out minute movement, the distance of this minute movement will guarantee that the spacing plectrum in rotation bar bottom remains in the spacing hole of spool, and the limit groove on the circumference of rotation bar top and the protuberance on the shift fork begin to closely cooperate, at this moment motor continues to rotate counterclockwise 90 degree, shift fork is along with camshaft rotates, drive rotation bar and valve core rotation, realize opening valve.
This ball valve closing process: motor clockwise rotates 90 degree drive motor gears, motor gear cooperates the drive camshaft to rotate with camshaft gear wheel, at this moment the limit groove on the circumference of rotation bar top and shift fork protuberance are also in closely cooperating, shift fork rotates and drives rotation bar and valve core rotation together along with camshaft, after action is finished, spool is aimed at the O-ring seal on the valve body, rotation bar position limit pin below the rotation bar upper boss contacts with the backing pin on the valve gap, at this moment the rotation bar can't rotate, motor continues to clockwise rotate 90 degree, shift fork is rotated further the resistance that overcomes circumference top, rotation bar top groove, the shift fork protuberance breaks away from the limit groove, extruding rotation bar, spring is shunk by the extruding of rotation bar, the relative spool of rotation bar carries out minute movement downwards, the distance of this minute movement will guarantee that the spacing plectrum in rotation bar bottom remains in the spacing hole of spool, cam makes the rotation bar eccentric simultaneously, O-ring seal close contact on rotation bar band movable valve plug off-centre and the valve body, realize sealing, namely realize throttle down.
Claims (10)
1. ball-valve structure based on cam control, comprise valve gap, valve body, spool, valve gap is packed on the valve body, spool is installed on the interior universal base of valve body, it is characterized in that: at valve gap one camshaft is installed, be fixedly mounted with cam in the camshaft lower end, camshaft between cam and valve gap is fixedly mounted with a shift fork, spool top and a rotation bar bottom coaxial package are realized the rotation of spool, be set with a spring on the rotation bar, rotation bar upper-end surface is shaped with the swing that the central recess that cooperates with cam is realized the rotation bar, is shaped with the rotation that the limit groove that cooperates with shift fork is realized the rotation bar on the circumference of rotation bar upper-end surface.
2. the ball-valve structure based on cam control according to claim 1 is characterized in that: describedly between camshaft and valve gap cam sleeve is installed, between cam sleeve and camshaft seal ring is installed.
3. the ball-valve structure based on cam control according to claim 1, it is characterized in that: described shift fork is fixedly mounted with by the positioning key on the camshaft and camshaft.
4. the ball-valve structure based on cam control according to claim 1, it is characterized in that: the guiding annulated column is made on described spool top, be shaped with spacing hole on the spool in this guiding annulated column, be inserted in the guiding annulated column rotation bar bottom, and rotation bar lower end is shaped with spacing plectrum and cooperates with spacing hole.
5. the ball-valve structure based on cam control according to claim 1, it is characterized in that: described rotation bar upper end is shaped with boss, spring fitting is on the rotation bar between boss and the spool, be shaped with the central recess that cooperates with cam above the boss, be shaped with the limit groove that cooperates with shift fork above the boss on the circumference, be fixed with rotation bar position limit pin below the boss, be fixed with backing pin at the valve gap corresponding with rotation bar position limit pin.
6. the ball-valve structure based on cam control according to claim 5 is characterized in that: described backing pin is packed on the limited ring column wall that one is made downwards below the valve gap.
7. the ball-valve structure based on cam control according to claim 6 is characterized in that: be fixedly mounted with a safe opening position limit pin on the limited ring column wall of the described valve gap corresponding with rotation bar position limit pin.
8. the ball-valve structure based on cam control according to claim 1, it is characterized in that: the aeration vent on the described valve body is equipped with O-ring seal, and the sealing cushion rubber cooperates with spool.
9. ball valve based on cam control, this ball valve comprises the described ball-valve structure based on cam control of any one claim among the claim 1-8, it is characterized in that: be fixedly mounted with a motor rack above the described valve gap, motor is packed on the motor rack, the camshaft upper end of motor rack below is fixedly mounted with camshaft gear wheel, and this camshaft gear wheel drives by the motor gear that is fixedly mounted with on the motor.
10. the ball valve based on cam control according to claim 9 is characterized in that: be fixed with motor protecting cover on the described valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202525369U CN202674363U (en) | 2012-05-31 | 2012-05-31 | Ball valve structure and ball valve based on cam control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202525369U CN202674363U (en) | 2012-05-31 | 2012-05-31 | Ball valve structure and ball valve based on cam control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674363U true CN202674363U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202525369U Withdrawn - After Issue CN202674363U (en) | 2012-05-31 | 2012-05-31 | Ball valve structure and ball valve based on cam control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453209A (en) * | 2012-05-31 | 2013-12-18 | 天津职业技术师范大学 | Ball valve structure based on cam control and ball valve |
| CN103759032A (en) * | 2014-01-08 | 2014-04-30 | 上海鸿研物流技术有限公司 | Valve |
-
2012
- 2012-05-31 CN CN2012202525369U patent/CN202674363U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453209A (en) * | 2012-05-31 | 2013-12-18 | 天津职业技术师范大学 | Ball valve structure based on cam control and ball valve |
| CN103453209B (en) * | 2012-05-31 | 2016-08-03 | 天津职业技术师范大学 | The ball-valve structure controlled based on cam and ball valve |
| CN103759032A (en) * | 2014-01-08 | 2014-04-30 | 上海鸿研物流技术有限公司 | Valve |
| CN103759032B (en) * | 2014-01-08 | 2017-06-13 | 上海鸿研物流技术有限公司 | 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 |
Granted publication date: 20130116 Termination date: 20150531 |
|
| EXPY | Termination of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |