CN214889037U - Pneumatic vacuum liquid level control valve - Google Patents
Pneumatic vacuum liquid level control valve Download PDFInfo
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- CN214889037U CN214889037U CN202121200983.5U CN202121200983U CN214889037U CN 214889037 U CN214889037 U CN 214889037U CN 202121200983 U CN202121200983 U CN 202121200983U CN 214889037 U CN214889037 U CN 214889037U
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Abstract
The utility model discloses an air pressure type vacuum liquid level control valve, wherein a valve body comprises a working cavity and a trigger mechanism arranged in the working cavity, and an air blocking pipe is communicated with the bottom of the working cavity; a working hole and a negative pressure hole which are mutually communicated through a connecting cavity are formed in the protruding part above the valve body; the valve body is also provided with a drain hole which is communicated with the connecting cavity through the working cavity; the negative pressure hole is vertically arranged, a magnetic ring is concentrically arranged in the negative pressure hole, and a sealing ring is concentrically arranged between the connecting cavity and the negative pressure hole; magnetic beads are movably arranged in the connecting cavity; a silica gel sealing plate is fixedly arranged at the bottom of the connecting cavity through a hollow guide pipe, and a vent hole concentric with the connecting cavity is formed in the silica gel sealing plate; the guide pipe and the connecting cavity are arranged concentrically, and one end of the guide pipe is positioned in the working cavity; trigger mechanism is including being discoid diaphragm, and the diaphragm top is provided with the vertical slider that upwards extends with one heart, and the slider just sets up to the stand pipe bottom, and the slider top is provided with magnet, and the diaphragm below is provided with the balancing weight.
Description
Technical Field
The utility model relates to a control valve technical field, concretely relates to vapour-pressure type vacuum liquid level control valve.
Background
With the increasing awareness of environmental protection, the technology of collecting domestic wastewater and sewage by dispersion and vacuum is more and more widely applied. The traditional scheme of scatter point vacuum collection is: the lifter is arranged at the dispersion point, the domestic wastewater flows into the lifter under the action of gravity, and the vacuum interface valve is arranged on the drainage pipeline between the lifter and the vacuum wastewater tank.
The lifter is provided with a liquid level sensor, after the liquid level sensor detects a high liquid level, the controller controls the three-way electromagnetic valve to open the vacuum interface valve, waste sewage in the lifter is sucked by vacuum, and the sewage in the lifter is sucked into the vacuum sewage tank to be stored. The adoption of the scheme needs cabling, the cost is high, and in addition, if the distance between the dispersed points is too far, the voltage can be attenuated, so that the stability of the whole system is influenced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a vapour-pressure type vacuum liquid level control valve, its simple structure is reasonable, the cost of manufacture is low, need not the power consumption, dependable performance, long service life.
A pneumatic vacuum liquid level control valve comprises a valve body and a gas retaining pipe connected to the bottom of the valve body;
the valve body comprises a working cavity and a trigger mechanism arranged in the working cavity, and the air holding pipe is communicated with the bottom of the working cavity;
a working hole and a negative pressure hole which are mutually communicated through a connecting cavity are formed in the protruding part above the valve body; the valve body is also provided with an emptying hole which is communicated with the connecting cavity through the working cavity; the negative pressure hole is vertically arranged, a magnetic ring is concentrically arranged in the negative pressure hole, and a sealing ring is concentrically arranged between the connecting cavity and the negative pressure hole; magnetic beads are movably arranged in the connecting cavity;
a silica gel sealing plate is fixedly arranged at the bottom of the connecting cavity through a hollow guide pipe, and a vent hole concentric with the connecting cavity is formed in the silica gel sealing plate; the guide pipe and the connecting cavity are arranged concentrically, and one end of the guide pipe is positioned in the working cavity;
trigger mechanism is including being discoid diaphragm, the diaphragm sets up with one heart the work intracavity, the diaphragm edge with work intracavity wall sealing connection, the diaphragm top is provided with the vertical slider that upwards extends with one heart, the slider is just right the stand pipe bottom sets up, the slider top is provided with magnet, the diaphragm below is provided with the balancing weight.
Furthermore, the working cavity is formed by oppositely buckling the upper part and the lower part and hermetically connecting a first valve body piece and a second valve body piece, the first valve body piece and the second valve body piece are both horn-shaped, and the open end of the first valve body piece and the open end of the second valve body piece are buckled to form the working cavity;
the projection is provided integrally with the first valve body member.
Further, the diaphragm edge is clamped between the snap features of the first and second valve body members.
Further, the first valve body piece and the second valve body piece are connected through fixing bolts.
Further, the sliding block is connected with the balancing weight through a screw;
and the screw penetrates through the magnet, the sliding block and the diaphragm downwards in sequence, and then is in threaded connection with and fixed to the balancing weight.
Further, the pilot tube is threaded within the first valve body member.
Furthermore, the bottom of the second valve body part is integrally provided with a connecting part extending downwards, and one end of the air holding pipe is in threaded connection with the connecting part.
The beneficial effects of the utility model are embodied in:
the utility model discloses a control valve simple structure is reasonable, the cost of manufacture is low, need not the power consumption, dependable performance, long service life.
The utility model discloses a control valve adopts the motion of air pressure drive trigger mechanism, utilizes the cooperation of mechanical type structure, and opening or closing of control vacuum interface valve relies on the water level height in the lifting mechanism to control completely, no longer need rely on circuit control system, and it is very convenient to install and use, and the reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a pneumatic vacuum liquid level control valve according to the present invention;
fig. 2 is a schematic sectional view of the pneumatic vacuum liquid level control valve according to the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1-2, the pneumatic vacuum liquid level control valve of the present invention comprises a valve body and a gas-retaining pipe 16 connected to the bottom of the valve body. The valve body comprises a working cavity and a trigger mechanism arranged in the working cavity, and the air blocking pipe 16 is communicated with the bottom of the working cavity.
The convex part 1 above the valve body is provided with a working hole 9 and a negative pressure hole 6 which are mutually communicated through a connecting cavity. The valve body is also provided with an emptying hole 5, and the emptying hole 5 is communicated with the connecting cavity through the working cavity. The negative pressure hole 6 is vertically arranged, a magnetic ring 7 is concentrically arranged in the negative pressure hole 6, and a sealing ring 8 is concentrically arranged between the connecting cavity and the negative pressure hole 6; the connection cavity is movably provided with a magnetic bead 2.
Connect the chamber bottom through hollow stand pipe 4 fixed mounting have silica gel closing plate 3, offer on the silica gel closing plate 3 with connect the concentric air vent that sets up in chamber. The magnetic beads 2 can block the sealing ring 8 or the vent hole after moving up and down. The guide tube 4 and the connecting cavity are concentrically arranged, and one end of the guide tube is positioned in the working cavity. One end of the emptying hole 5 is communicated with the outside, and the other end of the emptying hole is communicated with the connecting cavity after passing through the working cavity and the guide pipe 4.
Trigger mechanism is including being discoid diaphragm 12, and diaphragm 12 sets up at the working chamber with one heart, and diaphragm 12 edge and working chamber inner wall sealing connection are provided with vertical upwards slider 11 that extends with one heart above diaphragm 12, and slider 11 is just setting up 4 bottoms of stand pipe, and the diameter size of slider 11 is less than the diameter size of stand pipe 4, and 11 tops of slider are provided with magnet 10, and diaphragm 12 below is provided with balancing weight 15. The diaphragm 12 is made of a flexible material, and in this embodiment, the diaphragm 12 is made of a silica gel material.
Specifically, the working cavity is formed by oppositely buckling and sealing connecting a first valve body part 18 and a second valve body part 17 from top to bottom, the first valve body part 18 and the second valve body part 17 are horn-shaped, the open end of the first valve body part 18 and the open end of the second valve body part 17 are buckled to form the working cavity, and the first valve body part 18 and the second valve body part 17 are connected through a fixing bolt. The projection 1 is provided integrally with the first valve body piece 18. The edge of the membrane 12 is clamped between the snap-fit parts of the first valve body part 18 and the second valve body part 17. The guide tube 4 is threaded into the first valve body member 18.
The sliding block 11 is connected with the balancing weight 15 through a screw 14; the screw 14 passes through the magnet 10, the slider 11 and the diaphragm 12 in sequence, and then is in threaded connection with and fixed to the counterweight 15. The bottom of the second valve member 17 is integrally provided with a connecting part 13 extending downwards, and one end of the air lock pipe 16 is screwed on the connecting part 13.
The working principle is as follows:
the utility model discloses a bolt mounting is on the lifting mechanism, and 16 settings of pipe are held back in the lifting mechanism, and the working hole 9 on the valve body is connected with the vacuum interface valve, the external vacuum source in negative pressure hole 6, evacuation hole 5 and external atmosphere intercommunication.
When the waste water in the lifting mechanism is at a low liquid level, under the action of gravity, the balancing weight 15 drives the sliding block 11 to be positioned at the bottom of the guide pipe 4, the magnet 10 is far away from the magnetic bead 2, so that the magnetic bead 2 is extremely small under the attraction of the magnet 10 and can be ignored, at the moment, the sum of the attraction of the negative pressure hole 6 and the magnetic force of the magnetic ring 7 on the magnetic bead 2 is larger than the gravity of the magnetic bead 2, the magnetic bead 2 is moved upwards to block the sealing ring 8, the working hole 9 and the negative pressure hole 6 are disconnected, the working hole 9 and the emptying hole 5 are communicated, and the vacuum interface valve is closed.
When sewage flows into the lifter under the action of gravity, and the liquid level rises gradually in the lifter, the liquid level exceeds the pipe orifice at the bottom end of the air holding pipe 16 and is higher and higher, the pressure in the inner cavity of the air holding pipe 16 rises gradually, the air pressure generates upward acting force on the diaphragm 12, and when the acting force is greater than the sum of the gravity of the counterweight block 15, the slider 11 and the magnet 10, the diaphragm 12 drives the slider 11 to move upwards in the guide pipe 4. At this time, the magnet 10 gradually approaches the magnetic beads 2, and the attraction force between the magnet 10 and the magnetic beads 2 gradually increases. When the magnet 10 contacts the sealing plate 3 and plugs the vent hole in the center of the sealing plate 3, at the moment, the sum of the magnetic force between the magnet 10 and the magnetic bead 2 and the gravity of the magnetic bead 2 is larger than the sum of the magnetic force between the magnetic bead 2 and the magnetic ring 7 and the vacuum suction force of the negative pressure hole 6 to the magnetic bead 2, so that the magnetic bead 2 descends and clings to the sealing plate 3 to plug the vent hole from the upper part, the working port 9 and the negative pressure hole 6 are communicated, the vacuum interface valve is opened, and the sewage in the lifter is sucked to the vacuum sewage tank.
In the process that sewage in the lifter is sucked to the vacuum sewage tank, the liquid level in the lifter gradually drops. The liquid level is closer to the bottom end pipe orifice of the air holding pipe 16, the pressure in the inner cavity of the air holding pipe 16 is gradually reduced, the air pressure generates upward acting force on the diaphragm 12 and gradually reduces, when the acting force plus the sum of the magnetic force between the magnet 10 and the magnetic bead 2 and the vacuum suction force of the magnet 10 through the vent hole of the silica gel sealing plate 3 is smaller than the gravity of the counterweight block 15, the slider 11 and the magnet 10, the diaphragm 12 drives the slider 11 to move downwards in the guide pipe 4, the whole trigger mechanism descends, the magnet 10 leaves the sealing plate 3, the magnetic force between the magnet 10 and the magnetic bead 2 is gradually reduced, when the sum of the magnetic bead 2 and the magnetic force of the magnetic ring 7 is larger than the sum of the gravity of the magnetic bead 2 and the magnetic bead 2, the magnetic bead 2 ascends until the sealing ring 8 is blocked, at the moment, the open circuit is formed between the working hole 9 and the negative pressure hole 6, and the emptying hole 5 are communicated, the vacuum interface valve is closed.
The utility model discloses a control valve simple structure is reasonable, the cost of manufacture is low, need not the power consumption, dependable performance, long service life.
The utility model discloses a control valve adopts the motion of air pressure drive trigger mechanism, utilizes the cooperation of mechanical type structure, and opening or closing of control vacuum interface valve relies on the water level height in the lifting mechanism to control completely, no longer need rely on circuit control system, and it is very convenient to install and use, and the reliability is high.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. A vapour-pressure type vacuum liquid level control valve which characterized in that: comprises a valve body and an air holding pipe (16) connected with the bottom of the valve body;
the valve body comprises a working cavity and a trigger mechanism arranged in the working cavity, and the air holding pipe (16) is communicated with the bottom of the working cavity;
a working hole (9) and a negative pressure hole (6) which are communicated with each other through a connecting cavity are formed in the protruding part (1) above the valve body; the valve body is also provided with an emptying hole (5), and the emptying hole (5) is communicated with the connecting cavity through the working cavity; the negative pressure hole (6) is vertically arranged, a magnetic ring (7) is concentrically arranged in the negative pressure hole (6), and a sealing ring (8) is concentrically arranged between the connecting cavity and the negative pressure hole (6); magnetic beads (2) are movably arranged in the connecting cavity;
a silica gel sealing plate (3) is fixedly arranged at the bottom of the connecting cavity through a hollow guide pipe (4), and a vent hole concentric with the connecting cavity is formed in the silica gel sealing plate (3); the guide pipe (4) and the connecting cavity are arranged concentrically, and one end of the guide pipe is positioned in the working cavity;
trigger mechanism is including being discoid diaphragm (12), diaphragm (12) set up with one heart the working chamber is intracavity, diaphragm (12) edge with working chamber inner wall sealing connection, diaphragm (12) top is provided with slider (11) of vertical upwards extending with one heart, slider (11) just right stand pipe (4) bottom sets up, slider (11) top is provided with magnet (10), diaphragm (12) below is provided with balancing weight (15).
2. The pneumatic vacuum liquid level control valve according to claim 1, wherein: the working cavity is formed by oppositely buckling and hermetically connecting a first valve body piece (18) and a second valve body piece (17) from top to bottom, the first valve body piece (18) and the second valve body piece (17) are horn-shaped, and the open end of the first valve body piece (18) and the open end of the second valve body piece (17) are buckled to form the working cavity;
the projection (1) is provided integrally with the first valve body piece (18).
3. The pneumatic vacuum liquid level control valve according to claim 2, wherein: the edge of the membrane (12) is clamped between the snap-fit parts of the first and second valve body parts (18, 17).
4. The pneumatic vacuum liquid level control valve according to claim 2, wherein: the first valve body part (18) and the second valve body part (17) are connected through fixing bolts.
5. The pneumatic vacuum liquid level control valve according to claim 2, wherein: the sliding block (11) is connected with the balancing weight (15) through a screw (14);
and the screw (14) downwards penetrates through the magnet (10), the sliding block (11) and the diaphragm (12) in sequence, and then is in threaded connection with and fixed to the balancing weight (15).
6. The pneumatic vacuum liquid level control valve according to claim 2, wherein: the guide tube (4) is screwed into the first valve body part (18).
7. The pneumatic vacuum liquid level control valve according to claim 2, wherein: the bottom of the second valve body piece (17) is integrally provided with a connecting part (13) extending downwards, and one end of the air holding pipe (16) is screwed on the connecting part (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200983.5U CN214889037U (en) | 2021-05-26 | 2021-05-26 | Pneumatic vacuum liquid level control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200983.5U CN214889037U (en) | 2021-05-26 | 2021-05-26 | Pneumatic vacuum liquid level control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214889037U true CN214889037U (en) | 2021-11-26 |
Family
ID=78936001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121200983.5U Active CN214889037U (en) | 2021-05-26 | 2021-05-26 | Pneumatic vacuum liquid level control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214889037U (en) |
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2021
- 2021-05-26 CN CN202121200983.5U patent/CN214889037U/en active Active
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