CN215487912U - High stability pottery piezoelectric valve - Google Patents
High stability pottery piezoelectric valve Download PDFInfo
- Publication number
- CN215487912U CN215487912U CN202121497159.0U CN202121497159U CN215487912U CN 215487912 U CN215487912 U CN 215487912U CN 202121497159 U CN202121497159 U CN 202121497159U CN 215487912 U CN215487912 U CN 215487912U
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- Prior art keywords
- valve
- valve base
- high stability
- base
- spring
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- 239000000919 ceramic Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a high-stability ceramic piezoelectric valve which comprises a valve base, wherein small air outlet holes are formed in the valve base, an air outlet is formed in the lower end of the valve base, a breathable film is arranged at the upper end of the valve base, a ceramic wafer chassis is arranged on the breathable film, a ceramic wafer is arranged on the ceramic wafer chassis, a first spring is arranged between the ceramic wafer chassis and the valve base, a valve body sealing rubber ring is arranged on the outer side of the valve base, an external thread block is arranged on the outer side of the valve base, an internal thread block is in threaded connection with the external thread block, a valve cover is arranged on the outer side of the internal thread block, and an air inlet channel is formed in the valve cover. This piezoelectric valve can carry out the shutoff through the sealing piece to inlet channel, guarantees the encapsulated situation of piezoelectric valve to through lifting up the connecting block, make the sealing piece shift up, make the air can enter into the piezoelectric valve through inlet channel through the air inlet, rethread gas outlet and the aperture of giving vent to anger are with air escape, guarantee the normal effect of ventilating of piezoelectric valve.
Description
Technical Field
The utility model belongs to the technical field of piezoelectric valves, and particularly relates to a high-stability ceramic piezoelectric valve.
Background
The piezoelectric valve is a two-position (or proportional) control valve made by using the principle that functional ceramic plates generate bending deformation under the action of voltage. The action of the piezoelectric valve is controlled only by providing enough voltage, and the electric power consumption is almost zero. The piezo-electric valves function as pilot valves in the E/P conversion units, two piezo-electric valves being applied simultaneously per E/P conversion unit, for which the piezo-electric valves have to be pressurized because the pilot pressure, i.e. the gas pressure in the pilot chamber, is too small to have the capacity to generate a gas flow.
A high stability ceramic piezoelectric valve is disclosed in grant No. CN 2662018. It includes: the valve cover is provided with a filtering air inlet, the valve seat is provided with an air inlet small hole and an air outlet, and the valve cover is provided with a piezoelectric ceramic piece and a gas sealing rubber sheet which are arranged in the valve body and used for adjusting the air flow; the end face of the small air inlet hole positioned at the top of the circular table of the valve seat is press-fitted with a gas sealing rubber sheet positioned on the piezoelectric ceramic piece; the method is characterized in that: the piezoelectric ceramic piece is fixed in a groove on the upper end surface of the ceramic piece base through a rubber ring arranged on the piezoelectric ceramic piece and a pressing ring arranged on the rubber ring; the air tightness adjusting device between the air sealing rubber sheet and the end face of the air inlet small hole consists of a plurality of top conical screws which are arranged in screw holes of the piezoelectric ceramic chip base and the bottom ends of which are contacted with the upper end face of the valve seat; the pressing ring, the ceramic chip base and the valve seat are fixed into an integral structure through locking screws; the air outlet pipeline of the ceramic piezoelectric valve is made of an insulating material. The utility model has stable working performance and good safety.
According to the patent, the air tightness between the valve cover and the valve seat is completed by pressing the valve seat into the valve cover by the thread pressing ring and pressing the sealing ring tightly, and the rubber ring and the valve cover or the valve seat do not move relatively, so that the O-shaped rubber ring is not easy to damage, and the valve cover is easy to open or screw; the air outlet of the piezoelectric valve is made of insulating materials, the piezoelectric valve and the valve body are in vacuum sealing, the automatic pressure control system is not endangered by the ignition of a coating machine, but the ventilation control effect is poor, and the ventilation and closed states of the piezoelectric valve cannot be controlled more conveniently and rapidly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-stability ceramic piezoelectric valve to solve the problem of inconvenient ventilation control.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-stability ceramic piezoelectric valve comprises a valve base, wherein a small air outlet hole is formed in the valve base, the small air outlet hole is formed in the center of the valve base, an air outlet is formed in the lower end of the valve base and fixedly welded to the lower end of the valve base, an air-permeable film is arranged at the upper end of the valve base and is arranged at the upper end of the valve base, a ceramic wafer base plate is arranged on the air-permeable film and fixedly bonded to the air-permeable film, a ceramic wafer is arranged on the ceramic wafer base plate and arranged on two sides of the ceramic wafer base plate, a first spring is arranged between the ceramic wafer base plate and the valve base and fixedly welded to two ends of the ceramic wafer base plate and the valve base, a valve body sealing rubber ring is arranged on the outer side of the valve base and fixedly bonded to the outer side of the valve base, and an outer thread block is arranged on the outer side of the valve base, the valve comprises a valve base, an outer thread block, an inner thread block, a valve cover and an air inlet channel, wherein the outer thread block is fixedly welded on the outer side of the valve base, the outer thread block is in threaded connection with the inner thread block, the inner thread block can be in threaded connection with the outer thread block, the outer side of the inner thread block is provided with the valve cover, the valve cover is fixedly welded on the outer side of the inner thread block, the air inlet channel is arranged in the valve cover, and the air inlet channel is arranged at the center of the valve cover.
Preferably, the upper end of valve gap is provided with fixed frame, and fixed welding of fixed frame is in the upper end of valve gap, the air inlet has been seted up on the fixed frame, and the air inlet is equipped with two, sets up the both sides at fixed frame respectively, set up the dead slot in the fixed frame, the dead slot is seted up at the central point of fixed frame and is put, the dead slot passes through the baffle and separates, and the fixed welding of baffle is at the dead slot inner wall, it is provided with the slide bar to slide in the baffle, and the slide bar can slide on the baffle.
Preferably, the lower extreme of slide bar is provided with the seal piece, and the seal piece fixed welding is at the lower extreme of slide bar, the second spring has been cup jointed on the slide bar, and the upper end fixed welding of second spring is on the baffle, and the lower extreme fixed welding is in the upper end of seal piece.
Preferably, the upper end of the sliding rod penetrates through the partition plate and is connected with the connecting block, the connecting block is fixedly welded at the upper end of the sliding rod, a pull handle is arranged at the upper end of the connecting block, and the pull handle is fixedly welded at the upper end of the connecting block.
Preferably, a cavity is formed in the connecting block, the cavity is formed in the center of the connecting block, a third spring is arranged in the cavity, and the third spring is limited on the inner wall of the cavity.
Preferably, sliding plates are arranged on two sides of the third spring, the sliding plates are fixedly welded on two sides of the third spring, the sliding plates on two sides are arranged on the inner wall of the cavity in a sliding mode, a plug is arranged on the outer side of each sliding plate, and the plug is fixedly welded on the outer side of each sliding plate.
Preferably, the outer side of the plug is slidably arranged on the inner wall of the slot of the fixed frame, and the plug can be inserted into the slot of the fixed frame to fix the position of the connecting block.
Compared with the prior art, the utility model has the beneficial effects that: this piezoelectric valve can carry out the shutoff through the sealing piece to inlet channel, guarantees the encapsulated situation of piezoelectric valve to through lifting up the connecting block, make the sealing piece shift up, make the air can enter into the piezoelectric valve through inlet channel through the air inlet, rethread gas outlet and the aperture of giving vent to anger are with air escape, guarantee the normal effect of ventilating of piezoelectric valve.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged partial cross-sectional view of the present invention.
In the figure: 1. a valve base; 11. air outlet holes; 12. an air outlet; 21. a breathable film; 22. a ceramic wafer chassis; 23. a ceramic plate; 24. a first spring; 25. the valve body is sealed by a rubber ring; 26. an external thread block; 31. an internal thread block; 32. a valve cover; 33. an air intake passage; 41. a fixing frame; 411. an air inlet; 42. An empty groove; 43. a partition plate; 44. a slide bar; 45. sealing blocks; 46. a second spring; 47. connecting blocks; 48. Pulling a handle; 51. a cavity; 52. a third spring; 53. a slide plate; 54. a plug; 55. and (4) a slot.
Detailed Description
Referring to fig. 1-3, a high-stability ceramic piezoelectric valve comprises a valve base 1, a small air outlet hole 11 is formed in the valve base 1, the small air outlet hole 11 is formed in the center of the valve base 1, an air outlet 12 is formed in the lower end of the valve base 1, the air outlet 12 is fixedly welded to the lower end of the valve base 1, an air permeable film 21 is arranged at the upper end of the valve base 1, the air permeable film 21 is arranged at the upper end of the valve base 1, a ceramic sheet chassis 22 is arranged on the air permeable film 21, the ceramic sheet chassis 22 is fixedly bonded to the air permeable film 21, ceramic sheets 23 are arranged on the ceramic sheet chassis 22, the ceramic sheets 23 are arranged on two sides of the ceramic sheet chassis 22, a first spring 24 is arranged between the ceramic sheet chassis 22 and the valve base 1, the first spring 24 is fixedly welded to two ends of the ceramic sheet chassis 22 and the valve base 1, a valve body sealing rubber ring 25 is arranged on the outer side of the valve base 1, valve body sealing rubber ring 25 fixed bonding is in the outside of valve base 1, the outside of valve base 1 is provided with external screw thread block 26, external screw thread block 26 fixed welding is in the outside of valve base 1, threaded connection has internal screw thread block 31 on external screw thread block 26, internal screw thread block 31 can threaded connection on external screw thread block 26, the outside of internal screw thread block 31 is provided with valve gap 32, the outside of internal screw thread block 31 is including valve gap 32 fixed welding, be provided with air inlet channel 33 in the valve gap 32, air inlet channel 33 sets up the central point at valve gap 32 and puts.
Referring to fig. 1 and 2, a fixing frame 41 is disposed at an upper end of the valve cover 32, the fixing frame 41 is fixedly welded at the upper end of the valve cover 32, an air inlet 411 is formed in the fixing frame 41, two air inlets 411 are disposed at two sides of the fixing frame 41, respectively, a hollow groove 42 is formed in the fixing frame 41, the hollow groove 42 is formed in a center position of the fixing frame 41, the hollow groove 42 is partitioned by a partition plate 43, the partition plate 43 is fixedly welded at an inner wall of the hollow groove 42, a sliding rod 44 is slidably disposed in the partition plate 43, and the sliding rod 44 can slide on the partition plate 43.
Referring to fig. 1, a sealing block 45 is disposed at a lower end of the sliding rod 44, the sealing block 45 is fixedly welded at the lower end of the sliding rod 44, a second spring 46 is sleeved on the sliding rod 44, an upper end of the second spring 46 is fixedly welded on the partition plate 43, and a lower end of the second spring is fixedly welded at an upper end of the sealing block 45.
Referring to fig. 1 to 3, the upper end of the sliding rod 44 passes through the partition 43 and is connected to a connecting block 47, the connecting block 47 is fixedly welded to the upper end of the sliding rod 44, a pull handle 48 is disposed at the upper end of the connecting block 47, and the pull handle 48 is fixedly welded to the upper end of the connecting block 47.
Referring to fig. 1-3, a cavity 51 is formed in the connecting block 47, the cavity 51 is formed in a central position of the connecting block 47, a third spring 52 is disposed in the cavity 51, and the third spring 52 is limited on an inner wall of the cavity 51.
Referring to fig. 1-3, sliding plates 53 are disposed on two sides of the third spring 52, the sliding plates 53 are fixedly welded on two sides of the third spring 52, the sliding plates 53 on two sides are slidably disposed on the inner wall of the cavity 51, a plug 54 is disposed on the outer side of the sliding plates 53, and the plug 54 is fixedly welded on the outer side of the sliding plates 53.
Referring to fig. 1-3, the outer side of the plug 54 is slidably disposed on the inner wall of the slot 55 of the fixing frame 41, and the plug 54 can be inserted into the slot 55 of the fixing frame 41 to fix the position of the connecting block 47.
The working principle of the scheme is as follows: when the piezoelectric valve needs to be sealed, the plugs 54 on the two sides are pushed inwards, so that the plugs 54 drive the sliding plates 53 to slide on the inner wall of the cavity 51 until the plugs 54 are separated from the slots 55, at the moment, the second spring 46 resets to drive the connecting block 47 to slide on the inner wall of the empty slot 42, the pull handle 48 is pulled upwards, until the third spring 52 resets to drive the sliding plates 53 on the two sides to slide on the inner wall of the cavity 51 until the plugs 54 are inserted into the new slots 55, at the moment, the sealing block 45 moves upwards, the air inlet channel 33 is not sealed, air enters through the air inlet 411, enters into the piezoelectric valve through the air inlet channel 33, passes through the air outlet small hole 11 and is discharged through the air outlet 12, and the piezoelectric valve can be fully ventilated.
Claims (7)
1. A high stability ceramic piezoelectric valve, includes valve base (1), its characterized in that: be provided with aperture (11) of giving vent to anger on valve base (1), the lower extreme of valve base (1) is provided with gas outlet (12), the upper end of valve base (1) is provided with ventilative film (21), be provided with potsherd chassis (22) on ventilative film (21), be provided with potsherd (23) on potsherd chassis (22), be provided with first spring (24) between potsherd chassis (22) and valve base (1), the outside of valve base (1) is provided with valve body sealing rubber circle (25), the outside of valve base (1) is provided with external thread piece (26), threaded connection has internal thread piece (31) on external thread piece (26), the outside of internal thread piece (31) is provided with valve gap (32), be provided with inlet channel (33) in valve gap (32).
2. A high stability ceramic piezoelectric valve according to claim 1, wherein: the upper end of valve gap (32) is provided with fixed frame (41), air inlet (411) have been seted up on fixed frame (41), open groove (42) have been seted up in fixed frame (41), open groove (42) are separated through baffle (43), it is provided with slide bar (44) to slide in baffle (43).
3. A high stability ceramic piezoelectric valve according to claim 2, wherein: the lower end of the sliding rod (44) is provided with a sealing block (45), and the sliding rod (44) is sleeved with a second spring (46).
4. A high stability ceramic piezoelectric valve according to claim 2, wherein: the upper end of the sliding rod (44) penetrates through the partition plate (43) and is connected with the connecting block (47), and the upper end of the connecting block (47) is provided with a pull handle (48).
5. A high stability ceramic piezoelectric valve according to claim 4, wherein: a cavity (51) is arranged in the connecting block (47), and a third spring (52) is arranged in the cavity (51).
6. A high stability ceramic piezoelectric valve according to claim 5, wherein: sliding plates (53) are arranged on two sides of the third spring (52), and plugs (54) are arranged on the outer sides of the sliding plates (53).
7. A high stability ceramic piezoelectric valve according to claim 6, wherein: the outer side of the plug (54) is arranged on the inner wall of the slot (55) of the fixed frame (41) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497159.0U CN215487912U (en) | 2021-07-01 | 2021-07-01 | High stability pottery piezoelectric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497159.0U CN215487912U (en) | 2021-07-01 | 2021-07-01 | High stability pottery piezoelectric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487912U true CN215487912U (en) | 2022-01-11 |
Family
ID=79724145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121497159.0U Expired - Fee Related CN215487912U (en) | 2021-07-01 | 2021-07-01 | High stability pottery piezoelectric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487912U (en) |
-
2021
- 2021-07-01 CN CN202121497159.0U patent/CN215487912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |