CN208670074U - 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
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- CN208670074U CN208670074U CN201821277811.6U CN201821277811U CN208670074U CN 208670074 U CN208670074 U CN 208670074U CN 201821277811 U CN201821277811 U CN 201821277811U CN 208670074 U CN208670074 U CN 208670074U
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- connecting tube
- needle valve
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Abstract
The utility model discloses a kind of pneumatic needle valves of high temperature and pressure, including water service pipe, the inside of the water service pipe is equipped with Z-type water flowing through-hole, vertical connecting tube is connected among the upper surface of the water service pipe by welding, piston connecting hole is equipped with inside the upper end of vertical connecting tube, the lower end of piston connecting hole is equipped with through-hole, it can detecte out the pressure between first piston head and second piston head by baroceptor, hydraulic pressure can be detected with this, and it is inflated into vertical connecting tube by air pump to control closing connecting column and move up and down, with the switch of this control valve, or threaded rod rotation is driven by turning rotational handle, top pillar is driven to move down by threaded rod, closing connecting column is driven to move down by top pillar, the high temperature and pressure is simple with pneumatic needle-like valve arrangement, it is easy to operate, a variety of sides can be passed through Formula carrys out the switch of control valve, and sealing effect is more preferable, can effectively prevent the case where leak.
Description
Technical field
The utility model relates to needle valve technical field, the pneumatic needle valve of specially a kind of high temperature and pressure.
Background technique
Currently, valve is the control unit in fluid delivery system, have cut-off, adjusting, water conservancy diversion, prevent adverse current, pressure stabilizing,
The functions such as shunting or overflow pressure relief, 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 using 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 easy to appear leakage, therefore using not
Just.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of high temperature and pressure pneumatic needle-like
Valve, structure is simple, easy to operate, can carry out the switch of control valve in several ways, and sealing effect is more preferable, Neng Gouyou
The case where preventing leak of effect, provides a convenient, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of pneumatic needle valve of high temperature and pressure, packet
Include water service pipe, the inside of the water service pipe is equipped with Z-type water flowing through-hole, among the upper surface of the water service pipe by welding
It is connected with vertical connecting tube, piston connecting hole is equipped with inside the upper end of vertical connecting tube, the lower end of piston connecting hole is equipped with through-hole,
The through-hole is corresponding up and down with the vertical pipeline of the Z-type water flowing through-hole of water service pipe, and the inside of the piston connecting hole is equipped with sliding and connects
The second piston head connect, the lower end center of second piston head are equipped with closing connecting column, close the lower end of connecting column with connect vertically
The vertical pipeline of pipe is corresponding, and the piston connecting hole inner side of the water service pipe is equipped with pistons stops, and pistons stops are located at the
The upper end of two piston heads, the upper end of the vertical connecting tube are equipped with upper end connection cover, and the side of vertical connecting tube is connected by bolt
Be connected to air pump, the side of vertical connecting tube is equipped with air through hole, and air through hole and pistons stops are located at approximately the same plane, it is described into
The side of vent hole is connected by the gas outlet of conduit and air pump, and the side of the upper end connection cover is equipped with otic placode, and the one of otic placode
Side is equipped with PLC controller, the output end of the input terminal electrical connection external power supply of PLC controller, and the output end of PLC controller is electrically connected
Connect the input terminal of air pump.
As a kind of optimal technical scheme of the utility model, the both ends of the water service pipe are connected with by welding
The inside of water pipe joint, water pipe joint is equipped with internal screw thread.
As a kind of optimal technical scheme of the utility model, the lower end of the closing connecting column is pyramidal structure, and with
The vertical pipeline for closing the corresponding Z-type water flowing through-hole of connecting column is also pyramidal structure.
As a kind of optimal technical scheme of the utility model, the number of the pistons stops is four, four piston gears
Block is uniformly distributed around the side of piston connecting hole.
As a kind of optimal technical scheme of the utility model, mode and erect that the upper end connection cover is connected through a screw thread
Direct-connected adapter tube connection, and the junction of vertical connecting tube and vertical connecting tube is equipped with sealing ring.
As a kind of optimal technical scheme of the utility model, the inner side of the piston connecting hole is equipped with air pressure sensing
Device, the input terminal of the output end electrical connection PLC controller of baroceptor.
As a kind of optimal technical scheme of the utility model, the baroceptor is located between two pistons stops,
And the height of pistons stops is greater than the height of baroceptor.
As a kind of optimal technical scheme of the utility model, the inner upper end of the piston connecting hole is equipped with first piston
Head, first piston head upper surface are connected with threaded rod by connecting turntable, and the upper end of threaded rod is run through and extends to upper end connection
The top of lid, and the lower surface center of first piston head is equipped with top pillar.
As a kind of optimal technical scheme of the utility model, the mode and upper end that the threaded rod is connected through a screw thread connect
Lid connection is connect, and threaded rod is located at one end above the connection cover of upper end equipped with rotational handle.
As a kind of optimal technical scheme of the utility model, the rotational handle is disc-shaped structure, and rotational handle
Outside is pasted with anti-skidding leather packing by glue, and the outside of anti-skidding leather packing is equipped with anti-skid chequer.
Compared with prior art, the utility model has the beneficial effects that this high temperature and pressure is provided with on pneumatic needle valve
Baroceptor can detecte out the pressure between first piston head and second piston head by baroceptor, can be with this
Hydraulic pressure is detected, and is inflated into vertical connecting tube by air pump to control closing connecting column and move up and down, is controlled with this
The switch of valve, or threaded rod rotation is driven by turning rotational handle, it drives top pillar to move down by threaded rod, passes through
Top pillar drives closing connecting column to move down, and carrys out control valve switch with this, and the high temperature and pressure is simple with pneumatic needle-like valve arrangement,
It is easy to operate, the switch of control valve can be carried out in several ways, and sealing effect is more preferable, can effectively prevent leak
The case where, it provides a convenient.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section structural schematic diagram；
Fig. 3 is enlarged structure schematic diagram at the utility model A.
In figure: 1 rotational handle, 2 upper end connection covers, 3 air pumps, 4 threaded rods, 5PLC controller, 6 vertical connecting tubes, 7 water pipes
Connector, 8 water service pipes, 9 connection turntables, 10 first piston heads, 11 air through hole, 12 second piston heads, 13 closing connecting columns, 14
Piston connecting hole, 15Z type water flowing through-hole, 16 pistons stops, 17 baroceptors, 18 top pillars.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of pneumatic needle valve of high temperature and pressure, including
Water service pipe 8, the inside of water service pipe 8 are equipped with Z-type water flowing through-hole 15, connect by welding among the upper surface of water service pipe 8
There is vertical connecting tube 6, piston connecting hole 14 is equipped with inside the upper end of vertical connecting tube 6, the lower end of piston connecting hole 14 is equipped with logical
Hole, the 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 the inside of piston connecting hole 14, which is equipped with, to be slided
The second piston head 12 of dynamic connection, the lower end center of second piston head 12 are equipped with closing connecting column 13, close under connecting column 13
End is corresponding with the vertical pipeline of vertical connecting tube 6, and 14 inner side of piston connecting hole of water service pipe 8 is equipped with pistons stops 16, living
The upper end positioned at second piston head 12 of block 16 is filled in, the upper end of vertical connecting tube 6 is equipped with upper end connection cover 2, vertical connecting tube 6
Side be bolted air pump 3, the side of vertical connecting tube 6 is equipped with air through hole 11, and air through hole 11 and piston are kept off
Block 16 is located at approximately the same plane, and the side of air through hole 11 is connect by conduit with the gas outlet of air pump 3, upper end connection cover 2
Side is equipped with otic placode, and the side of otic placode is equipped with PLC controller 5, the output of the input terminal electrical connection external power supply of PLC controller 5
End, the input terminal of the output end electrical connection air pump 3 of PLC controller 5, the both ends of water service pipe 8 are connected with water by welding
The inside of pipe connector 7, water pipe joint 7 is equipped with internal screw thread, can be connected with outer water tube by water pipe joint 7, closes
The lower end of connecting column 13 is pyramidal structure, and the vertical pipeline of Z-type water flowing through-hole 15 corresponding with closing connecting column 13 is also cone
Shape structure, the size of water flow is controlled by the closing connecting column 13 of pyramidal structure, and the number of pistons stops 16 is four, four
Pistons stops 16 are uniformly distributed around the side of piston connecting hole 14, can be to the shifting of second piston head 12 by pistons stops 16
Dynamic range is limited, and prevents closing connecting column 13 completely into arriving inside piston connecting hole 14, upper end connection cover 2 passes through screw thread
The mode of connection is connect with vertical connecting tube 6, and the junction of upper end connection cover 2 and vertical connecting tube 6 is equipped with sealing ring, passes through
Sealing ring to connect between upper end connection cover 2 and vertical connecting tube 6 even closer, and the inner side of piston connecting hole 14 is equipped with
Baroceptor 17, the input terminal of the output end electrical connection PLC controller 5 of baroceptor 17, baroceptor 17 are located at two
Between a pistons stops 16, and the height of pistons stops 16 is greater than the height of baroceptor 17, can by baroceptor 17
To detect the pressure between first piston head 10 and second piston head 12, hydraulic pressure can be detected with this, piston connection
The inner upper end in hole 14 is equipped with first piston head 10, and 10 upper surface of first piston head is connected with threaded rod 4 by connecting turntable 9,
The top of upper end connection cover 2 is run through and extended in the upper end of threaded rod 4, and the lower surface center of first piston head 10 is equipped with top pillar
18, the mode that threaded rod 4 is connected through a screw thread is connect with upper end connection cover 2, and threaded rod 4 is located at 2 top of upper end connection cover
One end is equipped with rotational handle 1, and rotational handle 1 is disc-shaped structure, and is pasted with creeper by glue on the outside of rotational handle 1
The outside of pad, anti-skidding leather packing is equipped with anti-skid chequer, drives threaded rod 4 to rotate by turning rotational handle 1, is driven by threaded rod 4
Top pillar 18 moves down, and drives closing connecting column 13 to move down by top pillar 18, carrys out control valve switch with this, the high temperature is high
Pressure is simple with pneumatic needle-like valve arrangement, easy to operate, can come the switch of control valve, and sealing effect in several ways
More preferably, it can effectively prevent the case where leak, provide a convenient.
When in use: first by turn rotational handle 1 drive threaded rod 4 rotate, by threaded rod 4 drive top pillar 18 to
Upper movement, is opened valve with this, is inflated into vertical connecting tube 6 by air pump 3 to control closing connecting column 13 and move up and down,
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 column 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 top pillar 18 to move down by threaded rod 4, lead to
Crossing top pillar 18 drives closing connecting column 13 to move down, and carrys out control valve switch with this.
The utility model be can detecte out between first piston head 10 and second piston head 12 by baroceptor 17
Pressure can detect hydraulic pressure with this, and be inflated into vertical connecting tube 6 by air pump 3 to control closing connecting column 13
It moves up and down, 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
It drives top pillar 18 to move down, drives closing connecting column 13 to move down by top pillar 18, control valve switch, the height are come with this
The dynamic needle-like valve arrangement of warm high-pressure air is simple, easy to operate, can carry out in several ways the switch of control valve, and close
Effect is more preferable, can effectively prevent the case where leak, provide a convenient.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
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), be connected with vertical connecting tube (6) by welding among the upper surface of the water service pipe (8),
Piston connecting hole (14) are equipped with inside the upper end of vertical connecting tube (6), 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 inside of the piston connecting hole (14), which is equipped with, to be slided
The lower end center of the second piston head (12) of dynamic connection, second piston head (12) is equipped with closing connecting column (13), closes connecting column
(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), the upper end positioned at second piston head (12) of pistons stops (16), the vertical connecting tube (6) it is upper
End is equipped with upper end connection cover (2), and the side of vertical connecting tube (6) has been bolted air pump (3), vertical connecting tube (6)
Side is equipped with air through hole (11), and air through hole (11) and pistons stops (16) are located at approximately the same plane, the air through hole
(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 the inside of water pipe joint (7) is equipped with internal screw 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 column
(13) lower end is pyramidal structure, and the vertical pipeline of Z-type water flowing through-hole (15) corresponding with closing connecting column (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 greater 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 top pillar (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 |
|---|---|---|---|
| CN201821277811.6U CN208670074U (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 |
|---|---|---|---|
| CN201821277811.6U CN208670074U (en) | 2018-08-09 | 2018-08-09 | A kind of pneumatic needle valve of high temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670074U true CN208670074U (en) | 2019-03-29 |
Family
ID=65837090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277811.6U Active CN208670074U (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) | CN208670074U (en) |
-
2018
- 2018-08-09 CN CN201821277811.6U patent/CN208670074U/en active Active
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