CN213988726U - Admittance capacitor type level switch with compensation - Google Patents
Admittance capacitor type level switch with compensation Download PDFInfo
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- CN213988726U CN213988726U CN202023077272.1U CN202023077272U CN213988726U CN 213988726 U CN213988726 U CN 213988726U CN 202023077272 U CN202023077272 U CN 202023077272U CN 213988726 U CN213988726 U CN 213988726U
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Abstract
The utility model provides an admittance capacitanc level switch of area compensation relates to the level switch field. The utility model comprises a cylinder body connected with the outer wall of the container and a liquid level switch body arranged on the cylinder body, its response stick is located the barrel, the barrel side is equipped with two drainage tubes that communicate with each other, drainage tube intercommunication pipe tip is equipped with first second ring flange respectively, first ring flange side is equipped with first second sealing ring and sealing test groove, sealing test groove is located between the two, still be equipped with on the first ring flange with the gas injection pipe and the pilot tube of sealing test groove intercommunication, the pilot tube top is equipped with the closing cap that has the through-hole, be equipped with the connecting rod that passes the through-hole in the pilot tube, connecting rod top bottom is equipped with the briquetting closing plate respectively, the cross-section of first sealing ring is the zigzag, the second sealing ring is a plurality of superimposed rubber packing pad components in proper order, the sealed cross-sectional shape of filling up is similar for circularly, second ring flange side correspondence is equipped with the first second seal groove with first second sealing ring.
Description
Technical Field
The utility model relates to a level switch technical field, concretely relates to admittance capacitanc level switch of area compensation.
Background
A liquid level switch is also called a water level switch, belongs to a switch for controlling the on-off of a circuit through a liquid level, and most of the existing capacitive liquid level switches have a temperature compensation function.
At present, level switch adorns on the barrel, and the barrel needs often to take off the barrel from the container because level switch needs to overhaul maintenance and clearance etc. because level switch and container flange joint through its side, and this in the long run, the connection leakproofness between barrel and the container probably descends to operating personnel is with both flange joint back, also comparatively troublesome to its leakproofness measurement, need to solve urgently.
Disclosure of Invention
The utility model aims at developing an admittance capacitanc level switch that with the container between the leakproofness reinforcing to the leakproofness is conveniently detected and is had the compensation.
The utility model discloses a following technical scheme realizes:
an admittance capacitance level switch with compensation comprises a cylinder body connected with a communicating pipe on the outer wall of a container, a liquid level switch body arranged on the cylinder body, a sensing rod positioned in the cylinder body, two drainage pipes communicated with the communicating pipe arranged on the side surface of the cylinder body, a first flange plate arranged at the end part of the drainage pipe, a second flange plate matched with the first flange plate arranged at the end part of the communicating pipe, a first sealing ring, a second sealing ring and a sealing test groove arranged on the side surface of the first flange plate close to the second flange plate, the sealing test groove arranged between the first sealing ring and the second sealing ring, a gas injection pipe and an indicating pipe communicated with the sealing test groove arranged on the first flange plate, the indicating pipe arranged vertically, a sealing cover with a through hole arranged at the top end of the indicating pipe, a connecting rod passing through the through hole arranged in the indicating pipe, a pressing block arranged at the top end of the connecting rod, the connecting rod bottom is equipped with the closing plate, the cross-section of first sealing ring is the zigzag, the second sealing ring is a plurality of sealed pad constitutions that superpose in proper order, sealed pad is the rubber material, the cross sectional shape that seals up is approximate to circularly, the second ring flange corresponds on being close to the side of first ring flange and is equipped with the shape respectively with first sealing ring and the first seal groove of second sealing ring complex and second seal groove.
Optionally, the first sealing ring and the second sealing ring are both of annular structures and are arranged concentrically with the first flange.
Optionally, the first sealing ring is disposed outside the second sealing ring.
Optionally, the cross-sectional shape of the first sealing ring is a plurality of isosceles triangles connected in sequence at first.
Optionally, the second sealing ring is composed of three sequentially stacked sealing gaskets.
Optionally, the sizes of the three sealing gaskets are reduced from the side surface of the first flange plate to the outer side in sequence.
Optionally, the sealing plate is arranged in the indicator tube, and the edge of the sealing plate is slidably connected with the inner wall of the indicator tube.
Optionally, the pressing block is arranged outside the indicating pipe, and the pressing block is in a circular truncated cone shape.
Optionally, a drain pipe is arranged at the bottom of the barrel.
The utility model has the advantages that:
the utility model discloses set up two-layer seal structure to the area between sealing ring and the seal groove is big, makes sealing performance reinforcing, and sets up the seal test groove between two-layer seal structure, can swiftly detect seal structure's leakproofness through injecting into gas to the seal test inslot.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at B.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the creation of the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses an admittance capacitive level switch with compensation, which comprises a barrel body 1 connected with a communicating pipe 5 on the outer wall of a container, a liquid level switch body 2 arranged on the barrel body 1, a sensing rod positioned in the barrel body 1, two drainage pipes 4 communicated with the communicating pipe 5 arranged on the side surface of the barrel body 1, a first flange 6 arranged on the end of the drainage pipe 4, a second flange 7 matched with the first flange 6 arranged on the end of the communicating pipe 5, a first sealing ring 11, a second sealing ring 8 and a sealing test groove 10 arranged on the side surface of the first flange 6 close to the second flange 7, the sealing test groove 10 arranged between the first sealing ring 11 and the second sealing ring 8, a gas injection pipe 18 and an indicating pipe 13 communicated with the sealing test groove 10 arranged on the first flange 6, the indicating pipe 13 arranged vertically, the top end of the indicator tube 13 is provided with a sealing cover 14 with a through hole, a connecting rod 16 penetrating through the through hole is arranged in the indicator tube 13, the top end of the connecting rod 16 is provided with a pressing block 17, the bottom end of the connecting rod 16 is provided with a sealing plate 15, the cross section of the first sealing ring 11 is in a sawtooth shape, the second sealing ring 8 is formed by a plurality of sealing gaskets stacked in sequence, each sealing gasket is made of rubber, the cross section of each sealing gasket is approximately in a circular shape, and the second flange 7 is correspondingly provided with a first sealing groove 12 and a second sealing groove 9, which are matched with the first sealing ring 11 and the second sealing ring 8, in a shape respectively, on the side surface, close to the first flange 6.
In an embodiment of this application, be equipped with liquid level switch body 2 on barrel 1, inside liquid level switch body 2's response stick stretched into barrel 1, barrel 1 bottom was equipped with blow off pipe 3, barrel 1 side is equipped with two drainage tubes 4 that set up from top to bottom.
First ring flange 6 passes through bolt fixed connection back with second ring flange 7, and first sealing ring 11 and second sealing ring 8 sticiss respectively on first seal groove 12 and second seal groove 9, realize the sealed of first ring flange 6 and 7 terminal surfaces of second ring flange, make drainage tube 4 and the sealed intercommunication of communicating pipe 5, still be equipped with seal test groove 10 on first ring flange 6 is close to the side of second ring flange 7, seal test groove 10 also is the ring form groove structure that sets up with first ring flange 6 concentric, seal test groove 10 is located between first sealing ring 11 and the second sealing ring 8.
And a gas injection pipe 18 is arranged on the side surface of the first flange 6, which is far away from the second flange 7, the gas injection pipe 18 is communicated with the sealing test groove 10, and gas can be injected into the sealing test groove 10 through the gas injection pipe 18. An indicating pipe 13 is further arranged on the side face, away from the second flange 7, of the first flange 6, the indicating pipe 13 is vertically arranged and communicated with the sealing test groove 10, a sealing cover 14 is arranged at the top end of the indicating pipe 13, a through hole is formed in the center of the sealing cover 14, a connecting rod 16 penetrating through the through hole is arranged in the indicating pipe 13, a sealing plate 15 is arranged at the bottom end of the connecting rod 16, the sealing plate 15 is arranged inside the indicating pipe 13, the cross section of the sealing plate 15 covers the inside of the whole indicating pipe 13 and is in sliding connection with the indicating pipe 13, the edge of the sealing plate 15 keeps sealed in the sliding process of the indicating pipe 13, so that gas cannot penetrate through the sealing plate 15 in the indicating pipe 13, a pressing block 17 is arranged at the top end of the connecting rod 16, the pressing block 17 is arranged outside the indicating pipe 13, the pressing block 17 is in a round table shape, and under, after gas with a certain pressure is injected into the seal test groove 10 through the gas injection pipe 18, if the first seal ring 11 and the first seal groove 12 are sealed, and the second seal ring 8 and the second seal groove 9 are sealed, a sealed space is formed in the test seal groove, the pressure gas jacks up the press block 17 in the test seal groove, after the press block 17 is located at the maximum stroke, the top surface of the seal plate 15 abuts against the bottom surface of the seal cover 14, if the press block 17 does not descend within a certain time, sealing between the first seal ring 11 and the first seal groove 12 and sealing between the second seal ring 8 and the second seal groove 9 are explained, otherwise, if the press block 17 descends, the test seal groove is explained to be unsealed, and the sealing performance has problems.
The cross-sectional shape of first sealing ring 11 is a plurality of first isosceles triangles that connect gradually, makes it be the cockscomb structure, first sealing ring 11 is by the certain length of first ring flange 6 side protrusion, and the cross-sectional shape of first seal groove 12 also corresponds the isosceles triangle that connects gradually for a plurality of first, first seal groove 12 is by the sunken certain length of second ring flange 7 side, makes first ring flange 6 closely laminate with second ring flange 7 after, first sealing ring 11 closely laminates with first seal groove 12.
The utility model discloses set up two-layer seal structure to the area between sealing ring and the seal groove is big, makes sealing performance reinforcing, and sets up seal test groove 10 between two-layer seal structure, can swiftly detect seal structure's leakproofness through injecting into gas in to seal test groove 10.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (9)
1. An admittance capacitive level switch with compensation, comprising:
the cylinder is connected with the communicating pipe on the outer wall of the container;
the liquid level switch body is arranged on the barrel body, and the induction rod of the liquid level switch body is positioned in the barrel body;
the two drainage tubes are arranged on the side surface of the barrel body and are communicated with the communicating pipe;
the first flange plate is arranged at the end part of the drainage tube;
the second flange plate is arranged at the end part of the communicating pipe and matched with the first flange plate;
the first sealing ring is arranged on the side surface, close to the second flange plate, of the first flange plate;
the second sealing ring is arranged on the side surface, close to the second flange plate, of the first flange plate;
the sealing test groove is arranged on the side surface, close to the second flange plate, of the first flange plate and is positioned between the first sealing ring and the second sealing ring;
the gas injection pipe is arranged on the first flange plate and communicated with the sealing test groove;
the indicating pipe is vertically arranged on the first flange plate and is communicated with the sealing test groove;
the sealing cover is arranged at the top end of the indicating tube, and a through hole is formed in the middle of the sealing cover;
the connecting rod is arranged in the indicating pipe and penetrates through the through hole, the top end of the connecting rod is provided with a pressing block, and the bottom end of the connecting rod is provided with a sealing plate;
the cross-section of first sealing ring is the zigzag, the second sealing ring is that a plurality of sealed pad that superpose in proper order constitute, sealed pad is the rubber material, the sealed sectional shape that fills up is approximate for circularly, the second ring flange corresponds on being close to the side of first ring flange and is equipped with the shape respectively with first sealing ring and second sealing ring complex first seal groove and second seal groove.
2. The compensated admittance capacitive level switch of claim 1, wherein the first and second seal rings are each of annular configuration and are disposed concentrically with the first flange.
3. The compensated admittance capacitive level switch of claim 2, wherein the first sealing ring is disposed outside the second sealing ring.
4. The compensated admittance capacitance level switch of claim 3, wherein the cross-sectional shape of the first seal ring is a plurality of isosceles triangles joined first in series.
5. The compensated admittance capacitive level switch of claim 4, wherein the second sealing ring is composed of three sequentially stacked gaskets.
6. The compensated admittance capacitive level switch of claim 5, wherein the three gaskets decrease in size from the side of the first flange to the outside in sequence.
7. The compensated admittance capacitive level switch of claim 6, wherein the sealing plate is disposed within the indicator tube, the sealing plate edge being slidably coupled to an inner wall of the indicator tube.
8. The compensated admittance capacitive level switch of claim 7, wherein the pressure block is disposed outside the indicator tube, the pressure block being truncated cone shaped.
9. The compensated admittance capacitive level switch of claim 8, wherein a drain is provided at a bottom of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023077272.1U CN213988726U (en) | 2020-12-19 | 2020-12-19 | Admittance capacitor type level switch with compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023077272.1U CN213988726U (en) | 2020-12-19 | 2020-12-19 | Admittance capacitor type level switch with compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988726U true CN213988726U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023077272.1U Active CN213988726U (en) | 2020-12-19 | 2020-12-19 | Admittance capacitor type level switch with compensation |
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| CN (1) | CN213988726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439941A (en) * | 2021-12-29 | 2022-05-06 | 东方电气集团东方汽轮机有限公司 | Sealing structure of flange butt joint surface and sealing method thereof |
-
2020
- 2020-12-19 CN CN202023077272.1U patent/CN213988726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439941A (en) * | 2021-12-29 | 2022-05-06 | 东方电气集团东方汽轮机有限公司 | Sealing structure of flange butt joint surface and sealing method thereof |
| CN114439941B (en) * | 2021-12-29 | 2024-04-16 | 东方电气集团东方汽轮机有限公司 | Sealing structure and sealing method of flange butt joint surface |
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