CN205859162U - Piezoelectric type pilot valve - Google Patents
Piezoelectric type pilot valve Download PDFInfo
- Publication number
- CN205859162U CN205859162U CN201620651434.2U CN201620651434U CN205859162U CN 205859162 U CN205859162 U CN 205859162U CN 201620651434 U CN201620651434 U CN 201620651434U CN 205859162 U CN205859162 U CN 205859162U
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- valve
- discharge orifice
- valve gap
- fluid
- spool
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Abstract
The open a kind of piezoelectric type pilot valve of this utility model, the fluid of valve body enters, outlet converges in the valve port of valve body, the spool of closure fluid issuing it is provided with in valve port, valve port is provided with the valve gap of closure fluid inlet, pressure valve pocket is formed between spool and valve gap, pressure valve intracavity is provided with the spool return spring being fitted on spool, self-locking fluid bore connection pressure valve pocket and fluid inlet is offered on spool, the valve gap discharge orifice of connection pressure valve pocket is offered on valve gap, valve body discharge orifice connection valve gap discharge orifice and fluid issuing is offered on valve body, the electrical control mechanism making its opening and closing it is provided with corresponding to valve gap discharge orifice；Electrical control mechanism is located on valve gap, including piezoelectric ceramic piece, valve rod and electronic control module, valve rod is pressed by the valve rod return spring in valve cover and blocks on valve gap discharge orifice, upwarps, resets after dead electricity after piezoelectric ceramic piece energising, and valve rod moves down blocks valve gap discharge orifice.This utility model is low in energy consumption, and fluid generator and solar energy photovoltaic panel can be used as power supply.
Description
Technical field
This utility model relates to Fluid valve technology, is specially a kind of piezoelectric type pilot valve.
Background technology
Pilot-operated type fluid valve is widely used to all conglomeraties that people work, live, learn.
The operation of pilot-operated type fluid valve is mainly controlled by solenoid or micromachine, and energy consumption is high, it is impossible to realize low-power consumption.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of low-power consumption and piezoelectric type guide easy to use
Valve.
Can solve the problem that the piezoelectric type pilot valve of above-mentioned technical problem, its technical scheme includes valve body, described valve body side
The fluid issuing of fluid inlet and opposite side converges in the valve port of valve body end face, is provided with the valve of closure fluid issuing in described valve port
Core, valve port is provided with the valve gap of closure fluid inlet, forms pressure valve pocket, described pressure valve intracavity between described spool and valve gap
It is provided with the spool return spring being fitted on spool, described spool is offered self-locking fluid bore connection pressure valve pocket and enters with fluid
Mouthful, described valve gap is offered the valve gap discharge orifice of connection pressure valve pocket, on valve body, offers valve body discharge orifice connection valve gap earial drainage
Hole and fluid issuing, be provided with the electrical control mechanism opened and closed corresponding to valve gap discharge orifice, except that:
1, described valve gap discharge orifice is vertically offered corresponding to valve gap skirt section on valve gap, coaxially offers more than valve on valve gap
The valve opening of lid discharge orifice, the diameter of described valve opening exceedes the thickness of valve gap end more than the inwall in valve gap skirt section and the degree of depth.
2, described electrical control mechanism is located on valve gap and is closed by valve cover, electrical control mechanism include piezoelectric ceramic piece, valve rod and
Electronic control module, described valve stem slides is installed in the guide sleeve seat that valve orifice is arranged and is executed by the valve rod return spring in valve cover
Pressing and block in the aperture of valve gap discharge orifice, described piezoelectric ceramic piece is horizontally disposed with, one end fixed installation of piezoelectric ceramic piece, separately
One end embeds in the horizontal groove offered on valve rod, upwarps and form displacement and band ovable valve stem upwards moves after piezoelectric ceramic piece energising
Dynamic, open valve gap discharge orifice, after dead electricity, piezoelectric ceramic piece resets, and valve rod moves down blocks discharge orifice, and described electronic control module is led to
Cross connection piezoelectric ceramic piece.
For ease of pilot valve being controlled, corresponding to stem position, in valve in electronic control module dead electricity or when breaking down
The eccentric rotary switch of Non-follow control valve rod open and close valve gap discharge orifice is set on housing.
For preventing eccentric rotary switch from coming off, locking pin is set in valve cover.
Prevent gambling plug for keeping clear, corresponding to self-locking fluid bore position, cleansing pin, described cleansing pin are set in pressure valve intracavity
Downward through self-locking fluid bore.
Described electronic control module can use the interior fluid generator arranged of fluid inlet or use the photovoltaic arranged in valve cover
Solar panels are as power supply.
The beneficial effects of the utility model:
1, this utility model piezoelectric type pilot valve have employed the control technology of piezoelectric ceramics, thus has super low-power consumption, can
Use fluid generator and solar energy photovoltaic panel as power supply.
2, this utility model have employed the control technology of piezoelectric ceramics, and piezoelectric ceramics self is that capacitance state is non-conductive, nothing
Current drain, does not generates heat during work, is swift in motion, and adapts to bigger difference variation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
Fig. 2 is the assembling schematic diagram of each parts in Fig. 1 embodiment.
Figure number identifies: 1, valve body；2, fluid inlet；3, fluid issuing；4, spool；5, valve gap；6, pressure valve pocket；7, spool
Return spring；8, self-locking fluid bore；9, valve gap discharge orifice；10, valve body discharge orifice；11, piezoelectric ceramic piece；12, valve rod；13, electricity
Control module；14, valve rod return spring；15, valve cover；16, valve opening；17, eccentric rotary switch；18, locking pin；19, cleansing pin；
20, guide sleeve seat；21, seal membrane；22, water flow generator；23, photovoltaic solar panel.
Detailed description of the invention
The technical solution of the utility model is described further by illustrated embodiment below in conjunction with the accompanying drawings.
This utility model piezoelectric type pilot valve includes valve body 1 and electrical control mechanism.
Inwardly fluid inlet 2 and fluid issuing 3 is offered respectively, valve body 1 upper in the left and right both ends of the surface of described valve body 1
End face offers valve port, and described fluid inlet 2 and fluid issuing 3 converge in valve port, are provided with spool 4, described valve in described valve port
Being provided with the seal membrane 21 that can block fluid issuing 3 bottom core 4, valve port arranges valve gap 5, (fluid goes out in the skirt section of described valve gap 5
The skirt section partial thickening of mouth 3 sides) it is pressed on valve body to block fluid inlet 2, described valve gap 5 by the outward flange of seal membrane 21
And form pressure valve pocket 6 between spool 4, in pressure valve pocket 6 is located at by spool return spring 7 and press-fit in valve gap 5 and spool 4 it
Between；Corresponding to fluid inlet 2, on the left of spool 4 on offer vertical self-locking fluid bore 8, corresponding to self-locking fluid bore 8 in sealing
Offering through hole on diaphragm 21, arrange cleansing pin 19 in pressure valve pocket 6, the upper end needle handle of described cleansing pin 19 passes through threaded engagement in valve
Bottom lid 5, the lower end pass-out self-locking fluid bore 8 of cleansing pin 19 and seal membrane 21, as shown in Figure 1 and Figure 2.
Corresponding to fluid issuing 3, on the right side of valve gap 5 on offer valve opening 16, described valve opening 16 degree of depth is thick more than valve gap 5 end
Degree, valve opening 16 diameter more than the inwall in skirt section on the right side of valve gap 5, in valve opening 16, offer on the end face of skirt section on the right side of valve gap 5 vertical
Valve gap discharge orifice 9, the suitable for reading of described valve gap discharge orifice 9 is connected with pressure valve pocket 6 by valve opening 16, the end opening of valve gap discharge orifice 9
Through seal membrane 21 and valve body 1, thus on valve body 1, form the valve body discharge orifice 10 communicated with fluid issuing 3；Corresponding to valve
Hole 16 arranges guide sleeve seat 20 on valve gap 5, and valve opening 16 is provided with sealing ring, as shown in Figure 1 and Figure 2 with the contact surface of valve gap 5.
Described electrical control mechanism is located in the valve cover 15 on valve gap 5, and described valve cover 15 is provided with the installed surface of valve gap 5
Sealing ring, electrical control mechanism includes that piezoelectric ceramic piece 11, valve rod 12 and electronic control module 13, described valve rod 12 are snug fit at fairlead
In seat 20, both sliding surfaces are provided with sealing ring, and the bottom of valve rod 12 is in valve opening 16, valve cover 15 and valve rod 12 it
Between under valve rod return spring 14 effect that press-fits, the lower end (with sealing gasket) of valve rod 12 blocks on valve gap discharge orifice 9, described
Piezoelectric ceramic piece 11 left and right is horizontally disposed with, and the left end of piezoelectric ceramic piece 11 is fixedly installed on the boss of valve gap 5, and piezoelectricity is made pottery
It is internal that the right-hand member of ceramics 11 embeds valve rod 12, and described electronic control module 13 is fixed at above piezoelectric ceramic piece 11 by support and leads to
Cross circuit to be connected with piezoelectric ceramic piece 11 left end, the fluid that the power supply of electronic control module 13 is arranged in can using fluid inlet 2
Electromotor 22, it is possible to use the photovoltaic solar panel 23 installed in valve cover 15, as shown in Figure 1 and Figure 2.
The eccentric knob that can manually move up and down valve rod 12 in the setting of valve cover 15 skirt section corresponding to the position of valve rod 12 is opened
Close 17, for preventing eccentric rotary switch 17 from coming off from valve cover 15 skirt section, be provided with locking pin 18 in valve cover 15 skirt section and be stuck in
Offer on eccentric rotary switch 17 rotation slot in, as shown in Figure 1 and Figure 2.
Working method of the present utility model:
1, electronic control module 13 controls piezoelectric ceramic piece 11 power-off, and under valve rod return spring 14 acts on, valve rod 12 closes valve closing
Lid discharge orifice 9, fluid pressure enters pressure valve pocket 6 from fluid inlet 2 through self-locking fluid bore 8 and forms pressure, fluid pressure and valve
The elastic force of core return spring 7 jointly acts on and is enclosed on valve port by seal membrane 21 on spool 4, block fluid import 2 and stream
The conducting of body outlet 3, pilot valve is closed.
2, when pilot valve needs to open, electronic control module 13 controls piezoelectric ceramic piece 11 and obtains electric, the right-hand member of piezoelectric ceramic piece 11
Upwarping (service behaviour of piezoelectric ceramic piece 11 determines), band ovable valve stem 12 overcomes valve rod return spring 14 to make to use shifting, valve rod 12
Open valve gap discharge orifice 9, the fluid pressure of pressure valve pocket 6 from valve gap discharge orifice 9 through valve body discharge orifice 10 to fluid issuing 3 pressure release
Thus pressure cannot be ensured, the fluid pressure (overcoming the elastic force of spool return spring 7) of fluid inlet 2 push seal membrane 21 open and
Open valve port, between fluid inlet 2 and fluid issuing 3, form conducting.
3, in electronic control module 13 dead electricity or when breaking down, can be opened by eccentric rotary switch 17 manual control valve rod 12
Or close valve gap discharge orifice 9, thus realize being turned on and off of pilot valve.
Claims (5)
1. piezoelectric type pilot valve, including valve body (1), the fluid inlet (2) of described valve body (1) side and the fluid issuing of opposite side
(3) converging in the valve port of valve body (1) end face, be provided with the spool (4) of closure fluid issuing (3) in described valve port, valve port is provided with
The valve gap (5) of closure fluid inlet (2), forms pressure valve pocket (6), described pressure valve pocket between described spool (4) and valve gap (5)
(6) it is provided with the spool return spring (7) being fitted on spool (4) in, described spool (4) is offered self-locking fluid bore (8) connection
Pressure valve pocket (6) and fluid inlet (2), described valve gap (5) is offered the valve gap discharge orifice (9) of connection pressure valve pocket (6), in valve
Offer valve body discharge orifice (10) connection valve gap discharge orifice (9) and fluid issuing (3) on body (1), set corresponding to valve gap discharge orifice (9)
There is the electrical control mechanism opened and closed, it is characterised in that:
1., described valve gap discharge orifice (9) vertically offer corresponding to valve gap skirt section on valve gap (5), coaxially offer on valve gap (5)
More than the valve opening (16) of valve gap discharge orifice (9), the diameter of described valve opening (16) exceedes valve more than inwall and the degree of depth in valve gap skirt section
The thickness of lid end；
2., described electrical control mechanism is located on valve gap (5) and is closed, including piezoelectric ceramic piece (11), valve rod by valve cover (15)
(12) during and electronic control module (13), described valve rod (12) is slidably mounted on the guide sleeve seat (20) that valve opening (16) mouth is arranged and by valve
Valve rod return spring (14) in housing (15) presses and blocks on valve gap discharge orifice (9), described piezoelectric ceramic piece (11) water
Flat arrange, one end fixed installation of piezoelectric ceramic piece (11), upwarp after piezoelectric ceramic piece (11) energising, another of return after dead electricity
End embeds in the level trough that the upper correspondence of valve rod (12) is offered, and described electronic control module (13) passes through connection piezoelectric ceramic piece
(11)。
Piezoelectric type pilot valve the most according to claim 1, it is characterised in that: corresponding to valve rod (12) position, in valve cover
(15) the eccentric rotary switch (17) of Non-follow control valve rod (12) open and close valve gap discharge orifice (9) is set on.
Piezoelectric type pilot valve the most according to claim 2, it is characterised in that: arrange on cover body skirt section and prevent eccentric knob
The locking pin (18) that switch (17) comes off.
4. according to the piezoelectric type pilot valve described in any one in claims 1 to 3, it is characterised in that: corresponding to self-locking fluid
Hole (8) position, arranges cleansing pin (19) in pressure valve pocket (6), the downward through self-locking fluid bore (8) of described cleansing pin (19).
5. according to the piezoelectric type pilot valve described in any one in claims 1 to 3, it is characterised in that: described electronic control module
(13) fluid generator (22) arranged in using fluid inlet (2) or the photovoltaic solar panel using valve cover (15) above to arrange
(23) as power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620651434.2U CN205859162U (en) | 2016-06-24 | 2016-06-24 | Piezoelectric type pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620651434.2U CN205859162U (en) | 2016-06-24 | 2016-06-24 | Piezoelectric type pilot valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859162U true CN205859162U (en) | 2017-01-04 |
Family
ID=57636868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620651434.2U Active CN205859162U (en) | 2016-06-24 | 2016-06-24 | Piezoelectric type pilot valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859162U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518521A (en) * | 2018-04-21 | 2018-09-11 | 肖国选 | Auto-manual piezo electric valve |
| CN108547975A (en) * | 2018-04-21 | 2018-09-18 | 肖国选 | Auto-manual closes piezo electric valve slowly |
| CN111322415A (en) * | 2020-02-28 | 2020-06-23 | 山东大学 | Self-powered control valve system and method |
| CN112049950A (en) * | 2020-07-08 | 2020-12-08 | 广州市昊力工具有限公司 | Gate valve |
-
2016
- 2016-06-24 CN CN201620651434.2U patent/CN205859162U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518521A (en) * | 2018-04-21 | 2018-09-11 | 肖国选 | Auto-manual piezo electric valve |
| CN108547975A (en) * | 2018-04-21 | 2018-09-18 | 肖国选 | Auto-manual closes piezo electric valve slowly |
| CN111322415A (en) * | 2020-02-28 | 2020-06-23 | 山东大学 | Self-powered control valve system and method |
| CN111322415B (en) * | 2020-02-28 | 2021-02-09 | 山东大学 | Self-powered control valve system and method |
| CN112049950A (en) * | 2020-07-08 | 2020-12-08 | 广州市昊力工具有限公司 | Gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180807 Address after: Room 1223, 20 Teaching Building, 123 Liuhe Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin union automation equipment Co., Ltd. Address before: 541003 the Guangxi Zhuang Autonomous Region Guilin Xiufeng District Jiashan Street office Yangjiang Tau Village No. 12-2 Co-patentee before: Huang Yong Patentee before: Wu Decheng Co-patentee before: Liu Yong Co-patentee before: Huang Shaoqiang Co-patentee before: Huang Tianchong Co-patentee before: Qin Zhonglai |