CN108716548A - A kind of pneumatic needle valve of high temperature and pressure - Google Patents
A kind of pneumatic needle valve of high temperature and pressure Download PDFInfo
- Publication number
- CN108716548A CN108716548A CN201810900847.3A CN201810900847A CN108716548A CN 108716548 A CN108716548 A CN 108716548A CN 201810900847 A CN201810900847 A CN 201810900847A CN 108716548 A CN108716548 A CN 108716548A
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- China
- Prior art keywords
- hole
- high temperature
- needle valve
- piston
- connecting tube
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0066—Hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of pneumatic needle valves of high temperature and pressure,Including water service pipe,The water service pipe is internally provided with Z-type water flowing through-hole,Vertical connecting tube is connected among the upper surface of the water service pipe by welding,The upper end of vertical connecting tube is internally provided with piston connecting hole,The lower end of piston connecting hole is equipped with through-hole,The pressure between first piston head and second piston head can be detected by baroceptor,Hydraulic pressure can be detected with this,And it is inflated into vertical connecting tube by air pump and is moved up and down to control closing connecting pole,With the switch of this control valve,Or drive threaded rod rotation by turning rotational handle,Fore-set is driven to move down by threaded rod,Closing connecting pole is driven to move down by fore-set,The high temperature and pressure is simple in structure with pneumatic needle valve,It is easy to operate,It can carry out the switch of control valve in several ways,And sealing effect is more preferable,It can effectively prevent the case where leak.
Description
Technical field
The present invention relates to needle valve technical field, the pneumatic needle valve of specially a kind of high temperature and pressure.
Background technology
Currently, valve is the control unit in fluid delivery system, have cut-off, adjusting, water conservancy diversion, prevent adverse current, voltage stabilizing,
The functions such as shunting or overflow pressure relief, are used for the valve of fluid control systems, from simplest shut-off valve to extremely complex automatic control
Various valves used in system, kind and specification are quite various, pneumatic needle valve be use more one kind, but at present
Pneumatic needle valve can only be by Electric control, therefore control mode is single, and the case where be susceptible to leakage, therefore using not
Just.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of high temperature and pressure pneumatic needle valve,
It is simple in structure, it is easy to operate, the switch of control valve can be carried out in several ways, and sealing effect is more preferable, it can be effective
The case where preventing leak, provide a convenient, can effectively solve the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of pneumatic needle valve of high temperature and pressure, including it is logical
Water pipe, the water service pipe are internally provided with Z-type water flowing through-hole, are connected by welding among the upper surface of the water service pipe
There are vertical connecting tube, the upper end of vertical connecting tube to be internally provided with piston connecting hole, the lower end of piston connecting hole is equipped with through-hole, this is logical
Hole and the vertical pipeline of the Z-type water flowing through-hole of water service pipe are corresponding up and down, what being internally provided with of the piston connecting hole was slidably connected
The lower end center of second piston head, second piston head is equipped with closing connecting pole, closes the lower end of connecting pole and vertical connecting tube
Vertical pipeline corresponds to, and the piston connecting hole inner side of the water service pipe is equipped with pistons stops, and pistons stops are located at the second work
The upper end of the upper end of chock plug, the vertical connecting tube is equipped with upper end connection cover, and the side of vertical connecting tube has been bolted
The side of air pump, vertical connecting tube is equipped with air through hole, and air through hole is located at approximately the same plane with pistons stops, and the air inlet is logical
The side in hole is connected by the gas outlet of conduit and air pump, and the side of upper end connection cover is equipped with otic placode, and the side of otic placode is set
There are PLC controller, the output end of the input terminal electrical connection external power supply of PLC controller, the output end of PLC controller to be electrically connected gas
The input terminal of pump.
As a preferred technical solution of the present invention, the both ends of the water service pipe are connected with water pipe by welding
Connector, water pipe joint are internally provided with internal thread.
As a preferred technical solution of the present invention, it is described closing connecting pole lower end be pyramidal structure, and with closing
The vertical pipeline of the corresponding Z-type water flowing through-hole of connecting pole is also pyramidal structure.
As a preferred technical solution of the present invention, the number of the pistons stops is four, and four pistons stops are enclosed
It is uniformly distributed around the side of piston connecting hole.
As a preferred technical solution of the present invention, mode that the upper end connection cover is connected through a screw thread with connect vertically
Connection is taken over, and the junction of vertical connecting tube and vertical connecting tube is equipped with sealing ring.
As a preferred technical solution of the present invention, the inner side of the piston connecting hole is equipped with baroceptor,
The input terminal of the output end electrical connection PLC controller of baroceptor.
As a preferred technical solution of the present invention, the baroceptor is located between two pistons stops, and living
The height for filling in block is more than the height of baroceptor.
As a preferred technical solution of the present invention, the inner upper end of the piston connecting hole is equipped with first piston head,
First piston head upper surface is connected with threaded rod by connecting turntable, and the upper end of threaded rod is run through and extends to upper end connection cover
Top, and the lower surface center of first piston head is equipped with fore-set.
As a preferred technical solution of the present invention, mode and upper end connection cover that the threaded rod is connected through a screw thread
Connection, and threaded rod is located at one end above the connection cover of upper end and is equipped with rotational handle.
As a preferred technical solution of the present invention, the rotational handle is disc-shaped structure, and on the outside of rotational handle
It is pasted with anti-skidding leather packing by glue, the outside of anti-skidding leather packing is equipped with anti-skid chequer.
Compared with prior art, the beneficial effects of the invention are as follows：This high temperature and pressure on pneumatic needle valve be provided with air pressure
Sensor can detect the pressure between first piston head and second piston head by baroceptor, can be to water with this
Pressure is detected, and is inflated into vertical connecting tube by air pump and moved up and down to control closing connecting pole, with this control valve
Switch, or by turn rotational handle drive threaded rod rotation, by threaded rod drive fore-set move down, pass through fore-set
It drives closing connecting pole to move down, control valve switch is come with this, the high temperature and pressure is simple in structure with pneumatic needle valve, operation
Simplicity can carry out the switch of control valve in several ways, and sealing effect is more preferable, can effectively prevent the feelings of leak
Condition provides a convenient.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is enlarged structure schematic diagram at A of the present invention.
In figure：1 rotational handle, 2 upper end connection covers, 3 air pumps, 4 threaded rods, 5 PLC controllers, 6 vertical connecting tubes, 7 water
Pipe connector, 8 water service pipes, 9 connection turntables, 10 first piston heads, 11 air through hole, 12 second piston heads, 13 closing connecting poles,
14 piston connecting holes, 15 Z-type water flowing through-holes, 16 pistons stops, 17 baroceptors, 18 fore-sets.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of high temperature and pressure pneumatic needle valve, including water flowing
Pipe 8, water service pipe 8 are internally provided with Z-type water flowing through-hole 15, are connected with by welding among the upper surface of water service pipe 8 perpendicular
The upper end of direct-connected take over 6, vertical connecting tube 6 is internally provided with piston connecting hole 14, and the lower end of piston connecting hole 14 is equipped with through-hole, should
Through-hole is corresponding up and down with the vertical pipeline of the Z-type water flowing through-hole 15 of water service pipe 8, and being internally provided with for piston connecting hole 14 is slidably connected
Second piston head 12, the lower end center of second piston head 12 is equipped with closing connecting pole 13, close the lower end of connecting pole 13 with it is perpendicular
The vertical pipeline of direct-connected take over 6 corresponds to, and 14 inner side of piston connecting hole of water service pipe 8 is equipped with pistons stops 16, pistons stops
16 positioned at the upper end of second piston head 12, the upper end of vertical connecting tube 6 is equipped with upper end connection cover 2, the side of vertical connecting tube 6
Air pump 3 is bolted, the side of vertical connecting tube 6 is equipped with air through hole 11, air through hole 11 and pistons stops 16
It is connect with the gas outlet of air pump 3 by conduit in the side of approximately the same plane, air through hole 11, the side of upper end connection cover 2 is set
There are otic placode, the side of otic placode to be equipped with PLC controller 5, the output end of the input terminal electrical connection external power supply of PLC controller 5, PLC
The input terminal of the output end electrical connection air pump 3 of controller 5, the both ends of water service pipe 8 are connected with water pipe connection by welding
First 7, water pipe joint 7 is internally provided with internal thread, can be connected with outer water tube by water pipe joint 7, closes connecting pole
13 lower end is pyramidal structure, and the vertical pipeline of Z-type water flowing through-hole corresponding with closing connecting pole 13 15 is also pyramidal structure,
The size of flow is controlled by the closing connecting pole 13 of pyramidal structure, the number of pistons stops 16 is four, four piston gears
Block 16 is uniformly distributed around the side of piston connecting hole 14, can be to the moving range of second piston head 12 by pistons stops 16
It is limited, prevents closing connecting pole 13 completely into inside piston connecting hole 14, what upper end connection cover 2 was connected through a screw thread
Mode is connect with vertical connecting tube 6, and upper end connection cover 2 and the junction of vertical connecting tube 6 are equipped with sealing ring, pass through sealing ring
So that connecting even closer between upper end connection cover 2 and vertical connecting tube 6, the inner side of piston connecting hole 14 is equipped with air pressure transmission
Sensor 17, the input terminal of the output end electrical connection PLC controller 5 of baroceptor 17, baroceptor 17 are located at two pistons
Between block 16, and the height of pistons stops 16 is more than the height of baroceptor 17, can be detected by baroceptor 17
Go out the pressure between first piston head 10 and second piston head 12, hydraulic pressure can be detected with this, piston connecting hole 14
Inner upper end is equipped with first piston head 10, and 10 upper surface of first piston head is connected with threaded rod 4, threaded rod 4 by connecting turntable 9
Upper end run through and extend to the top of upper end connection cover 2, and the lower surface center of first piston head 10 is equipped with fore-set 18, screw thread
The mode that bar 4 is connected through a screw thread is connect with upper end connection cover 2, and one end that threaded rod 4 is located above upper end connection cover 2 is equipped with
Rotational handle 1, rotational handle 1 is disc-shaped structure, and 1 outside of rotational handle is pasted with anti-skidding leather packing, creeper by glue
The outside of pad is equipped with anti-skid chequer, drives threaded rod 4 to rotate by turning rotational handle 1, drives fore-set 18 downward by threaded rod 4
It is mobile, it drives closing connecting pole 13 to move down by fore-set 18, control valve switch, the pneumatic needle of the high temperature and pressure is come with this
Type valve arrangement is simple, easy to operate, can carry out the switch of control valve in several ways, and sealing effect is more preferable, can
It effective the case where preventing leak, provides a convenient.
When in use：First by turn rotational handle 1 drive threaded rod 4 rotate, by threaded rod 4 drive fore-set 18 to
Upper movement, is opened valve with this, is inflated into vertical connecting tube 6 by air pump 3 and is moved up and down to control closing connecting pole 13,
With the switch of this control valve, water enters from the left end of Z-type water flowing through-hole 15, and hydraulic pressure presses closing connecting pole 13 and moves up,
The pressure between first piston head 10 and second piston head 12 is detected by baroceptor 17, and hydraulic pressure is examined with this
It surveys, or directly drives threaded rod 4 to rotate by turning rotational handle 1, drive fore-set 18 to move down by threaded rod 4, lead to
Crossing fore-set 18 drives closing connecting pole 13 to move down, and carrys out control valve switch with this.
The present invention can detect the pressure between first piston head 10 and second piston head 12 by baroceptor 17,
Hydraulic pressure can be detected with this, and be inflated into vertical connecting tube 6 by air pump 3 and moved down on closing connecting pole 13 to control
It is dynamic, with the switch of this control valve, or by turning the drive rotation of threaded rod 4 of rotational handle 1, passes through threaded rod 4 and drive top
Column 18 moves down, and drives closing connecting pole 13 to move down by fore-set 18, comes control valve switch, the high temperature and pressure with this
It is simple in structure with pneumatic needle valve, it is easy to operate, the switch of control valve can be carried out in several ways, and sealing effect is more
It is good, the case where leak can be effectively prevented, is provided a convenient.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of pneumatic needle valve of high temperature and pressure, including water service pipe (8), it is characterised in that：The inside of the water service pipe (8) is set
There is Z-type water flowing through-hole (15), vertical connecting tube (6) be connected with by welding among the upper surface of the water service pipe (8),
The upper end of vertical connecting tube (6) is internally provided with piston connecting hole (14), and the lower end of piston connecting hole (14) is equipped with through-hole, the through-hole
Corresponding up and down with the vertical pipeline of the Z-type water flowing through-hole (15) of water service pipe (8), the piston connecting hole (14) is internally provided with cunning
The lower end center of the second piston head (12) of dynamic connection, second piston head (12) is equipped with closing connecting pole (13), closes connecting pole
(13) lower end is corresponding with the vertical pipeline of vertical connecting tube (6), piston connecting hole (14) inner side of the water service pipe (8)
Equipped with pistons stops (16), pistons stops (16) positioned at the upper end of second piston head (12), the vertical connecting tube (6) it is upper
End is equipped with upper end connection cover (2), and air pump (3) has been bolted in the side of vertical connecting tube (6), vertical connecting tube (6)
Side is equipped with air through hole (11), and air through hole (11) is located at approximately the same plane, the air through hole with pistons stops (16)
(11) side is connect by conduit with the gas outlet of air pump (3), and the side of the upper end connection cover (2) is equipped with otic placode, otic placode
Side be equipped with PLC controller (5), PLC controller (5) input terminal electrical connection external power supply output end, PLC controller
(5) input terminal of output end electrical connection air pump (3).
2. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The water service pipe (8)
Both ends are connected with water pipe joint (7) by welding, and water pipe joint (7) is internally provided with internal thread.
3. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The closing connecting pole
(13) lower end is pyramidal structure, and the vertical pipeline of Z-type water flowing through-hole (15) corresponding with closing connecting pole (13) is also cone
Shape structure.
4. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The pistons stops (16)
Number be four, four pistons stops (16) are uniformly distributed around the side of piston connecting hole (14).
5. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The upper end connection cover
(2) mode being connected through a screw thread is connect with vertical connecting tube (6), and the connection of vertical connecting tube (6) and vertical connecting tube (6)
Place is equipped with sealing ring.
6. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The piston connecting hole
(14) inner side is equipped with baroceptor (17), and the output end of baroceptor (17) is electrically connected the defeated of PLC controller (5)
Enter end.
7. a kind of pneumatic needle valve of high temperature and pressure according to claim 6, it is characterised in that：The baroceptor
(17) it is located between two pistons stops (16), and the height of pistons stops (16) is more than the height of baroceptor (17).
8. a kind of pneumatic needle valve of high temperature and pressure according to claim 1, it is characterised in that：The piston connecting hole
(14) inner upper end is equipped with first piston head (10), and first piston head (10) upper surface is connected with spiral shell by connecting turntable (9)
The top of upper end connection cover (2), and the following table of first piston head (10) are run through and extended in the upper end of rasp bar (4), threaded rod (4)
Face center is equipped with fore-set (18).
9. a kind of pneumatic needle valve of high temperature and pressure according to claim 8, it is characterised in that：The threaded rod (4) is logical
It crosses the mode being threadedly coupled to connect with upper end connection cover (2), and one end that threaded rod (4) is located above upper end connection cover (2) is set
There is rotational handle (1).
10. a kind of pneumatic needle valve of high temperature and pressure according to claim 9, it is characterised in that：The rotational handle (1)
For disc-shaped structure, and anti-skidding leather packing is pasted with by glue on the outside of rotational handle (1), the outside of anti-skidding leather packing is equipped with anti-skidding
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900847.3A CN108716548A (en) | 2018-08-09 | 2018-08-09 | A kind of pneumatic needle valve of high temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900847.3A CN108716548A (en) | 2018-08-09 | 2018-08-09 | A kind of pneumatic needle valve of high temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108716548A true CN108716548A (en) | 2018-10-30 |
Family
ID=63914404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900847.3A Withdrawn CN108716548A (en) | 2018-08-09 | 2018-08-09 | A kind of pneumatic needle valve of high temperature and pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108716548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187905A (en) * | 2021-05-28 | 2021-07-30 | 深圳市伙伴气动精密机械有限公司 | Pneumatic stop valve and using method thereof |
-
2018
- 2018-08-09 CN CN201810900847.3A patent/CN108716548A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187905A (en) * | 2021-05-28 | 2021-07-30 | 深圳市伙伴气动精密机械有限公司 | Pneumatic stop valve and using method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181030 |