CN208998999U - A kind of anticorrosion diaphragm - Google Patents
A kind of anticorrosion diaphragm Download PDFInfo
- Publication number
- CN208998999U CN208998999U CN201822106337.7U CN201822106337U CN208998999U CN 208998999 U CN208998999 U CN 208998999U CN 201822106337 U CN201822106337 U CN 201822106337U CN 208998999 U CN208998999 U CN 208998999U
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- diaphragm
- gauge
- pressure
- gauge outfit
- anticorrosion
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Abstract
The utility model discloses a kind of anticorrosion diaphragm, it includes gauge stand and gauge outfit, gauge stand includes the connector and diaphragm body with a central hole with central channel, diaphragm is equipped in diaphragm body, gauge stand is divided into the medium cavity below diaphragm and the conduction cavity above diaphragm by diaphragm, conduction liquid is provided in conduction cavity, and conduction cavity is connected to central channel, central channel is by the open trough for placing gauge outfit, the seal groove of sealing medium cavity, the thread groove being detachably connected with gauge outfit and the mounting groove for conducting pressure form, it is provided in mounting groove for the pressure conversion device by pressure conduction to gauge outfit contact；The purpose of the utility model is to provide a kind of anticorrosion diaphragms, pressure gauge contact is avoided directly to contact conduction liquid, on the one hand guarantee thus the sensitivity of pressure gauge will not reduce, to improve the service life of pressure gauge, on the other hand guarantee pumped (conveying) medium from the pollution of pressure gauge metal material.
Description
Technical field
The utility model relates to a kind of pressure gauges to be specifically related to for measuring the pressure of fluid or flowing solid material
A kind of anticorrosion diaphragm.
Background technique
Diaphragm is made of connector and diaphragm body with pressure gauge.For measure deep-etching, high temperature, high viscosity,
Easily crystallize, have the pressure medium of solid floating material.There are many materials for diaphragm, to adapt to various different corrosive medias, for surpassing
The various special industries such as pure water, petroleum, chemical industry, alkaline, chemical fibre, dyeization, pharmacy and food.Diaphragm at work, every
Film is deformed under the effect of measured medium pressure, and sealing fluid is pressed, and forms the pressure for being equivalent to P, conduction to Instrument for Pressure
Table, to show measured medium pressure value.
Diaphragm in the prior art since the contact of pressure gauge is in conduction cavity, and is driven cavity
The conduction liquid that various performances can generally be filled, such as silicone oil, glycerol, pressure gauge is chronically in conduction liquid, will affect pressure gauge
Sensitivity causes measurement accuracy to reduce.
Utility model content
The purpose of this utility model is to avoid pressure gauge from touching in view of the above problems, provide a kind of anticorrosion diaphragm
Head directly contacts conduction liquid, improves sensitivity, at the same guarantee the table body of pressure gauge thoroughly with measured medium barrier, to reach pair
The protection of measured medium, is contaminated it not, opposite to accomplish to protect to the greatest extent to table body.
In order to achieve the above object, the technical solution adopted in the utility model is, it includes gauge stand and gauge outfit, the gauge stand
Including connector and diaphragm body with a central hole with central channel, it is equipped in the diaphragm body for feeling measured medium
Diaphragm, gauge stand is divided into the medium cavity below diaphragm and the conduction chamber above diaphragm by the diaphragm
Body is provided with conduction liquid in the conduction cavity, and conducts cavity and be connected to central channel, and the central channel is by for placing gauge outfit
The thread groove that open trough, the seal groove of sealing medium cavity and the gauge outfit are detachably connected and the peace for conducting pressure
Tankage forms, and is provided in the mounting groove for the pressure conversion device by pressure conduction to gauge outfit contact.
Further, the pressure conversion device includes the pressure head of the briquetting slided in mounting groove and stretching mounting groove,
The briquetting upper end installation has elastic component.
Further, the gauge outfit lower end is provided with rubber pad, close by sealing ring between the rubber pad and seal groove
Envelope cooperation.
Further, the diaphragm is EPDM, FKM, PTFE/EPDM, PTFE/FKM material.
Further, the gauge outfit is PVDF, PP-H, CPVC material.
Further, the gauge outfit lower end is fixed with interconnecting piece, and the interconnecting piece and thread groove are cooperatively connected.
Further, protective cover is provided with outside the gauge outfit.
Further, the connector is threadedly coupled with diaphragm body, and a conical surface, the conical surface and diaphragm are provided on connector
Sealing ring is provided between body.
Further, the lower end of the diaphragm body is provided with externally threaded pumped (conveying) medium pipe fitting.
Compared with prior art, the utility model has the beneficial effects that the contact of gauge outfit protrudes into mounting groove and pressure conversion
Device contact, passes to contact for pressure by pressure conversion device, avoids contact from being located in dielectric cavity body, direct contact medium
The intracorporal conduction liquid of chamber, corrosion, retaining pressure table, and influence the sensitivity of pressure gauge；It closely connects, has at each tie point position
Effect reduces and avoids the leakage problems of conduction liquid, meanwhile, effectively accomplish double shielding, on the one hand protects and be measured medium, separately
On the one hand pressure gauge is avoided to be corroded.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the schematic perspective view of the utility model.
Fig. 3 is the broken section structural schematic diagram of A-A in Fig. 1.
Fig. 4 is the partial enlargement structural representation in Fig. 3 at B.
Fig. 5 is the structural schematic diagram of connector.
Label character described in figure indicates are as follows:
100, gauge stand；
200, gauge outfit；201, rubber pad；202, interconnecting piece；203, contact；
300, diaphragm body；
400, connector；401, central channel；402, pressure conversion device；403, the conical surface；404, sealing ring；4011, open
Slot；4012, seal groove；4013, thread groove；4014, mounting groove；4020, briquetting；4021, pressure head；4022, elastic element；
500, cavity is conducted；600, medium cavity；700, pumped (conveying) medium pipe fitting；701, external screw thread；
800, diaphragm.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing to this reality
Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the protection scope of the utility model
There is any restriction effect.
As Figure 1-Figure 4, the specific structure of the utility model are as follows: it includes gauge stand 100 and gauge outfit 200, the table
Seat 100 includes the connector 400 and diaphragm body with a central hole 300 with central channel 401, is set in the diaphragm body 300
There are 800, diaphragm for feeling measured medium, the diaphragm 800 divides gauge stand 100 in 800 lower section of diaphragm
Medium cavity 600 and the conduction cavity 500 above diaphragm 800 are provided with silicone oil conduction liquid in the conduction cavity 500
Or glycerol conduction liquid, and conduct cavity 500 and be connected to central channel 401, the central channel 401 is by the opening for placing gauge outfit 200
The thread groove 4013 and use that slot 4011, the seal groove 4012 of sealing medium cavity 600 and the gauge outfit 200 are detachably connected
It forms, is provided in the mounting groove 4014 for by pressure conduction to 200 contact of gauge outfit in the mounting groove 4014 of conducting pressure
203 pressure conversion device 402.
As a preferred embodiment of the above technical solution, the pressure conversion device 402 includes the pressure slided in mounting groove 4014
Block 4020 and the pressure head 4021 for stretching out mounting groove 4014,4020 upper end of briquetting installation have elastic component 4022, gauge outfit 200
On contact 203 contact briquetting 4020, air pressure or hydraulic strip dynamic pressure block 4020 move up carry out pressure conduction, avoids contact 203 straight
Contact conduction liquid causes to corrode.
As a preferred embodiment of the above technical solution, 200 lower end of gauge outfit is fixed with interconnecting piece 202, the interconnecting piece 202
It is cooperatively connected with thread groove 4013.
As a preferred embodiment of the above technical solution, to guarantee the leakproofness in medium cavity 600, it is arranged in 200 lower end of gauge outfit
Sealing ring 404 is arranged in rubber pad 201 between rubber pad 201 and seal groove 4012, make its sealing cooperation.
As a preferred embodiment of the above technical solution, it is the service life for improving diaphragm 800, selects EPDM to diaphragm 800
Or the resistant materials such as FKM or PTFE/EPDM or PTFE/FKM.
When as a preferred embodiment of the above technical solution, to prevent the pressure gauge to be used in chemical plant, the strong corruption of processing in chemical plant
Liquid splash is lost on diaphragm, causes the dust in corrosion and factory to pollute diaphragm, outside gauge outfit 200
Portion is provided with protective cover, improves the service life of diaphragm.
As a preferred embodiment of the above technical solution, the connector 400 is threadedly coupled with diaphragm body 300, on connector 400
It is provided with a conical surface 403, sealing ring 404 is provided between the conical surface 403 and diaphragm body 300, reaches sealing effect.
As a preferred embodiment of the above technical solution, the lower end of the diaphragm body 300 is provided with the pumped (conveying) medium with external screw thread 701
Pipe fitting 700.
Working principle of the utility model is: liquid enters medium cavity 600 through the centre bore of pumped (conveying) medium pipe fitting 700,
After medium cavity 600, diaphragm 800 slowly switchs to evagination state by downward concave configuration, conducts the space in cavity 500
Become smaller, promotes to conduct the conduction liquid extrusion head 4021 and briquetting 4020 in cavity 500, move up briquetting 4020, pressure is passed
It passs contact 203 and carries out pressure measurement, avoid the directly contact conduction liquid of contact 203, cause stress table corrosion and to conveying
Medium accomplishes that pollution is effectively isolated.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so which element the process, method, article or the device that include a series of elements not only include, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred of the utility model
Embodiment, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for this technology
For the those of ordinary skill in field, without departing from the principle of this utility model, several improvement, retouching can also be made
Or variation, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or not
It is improved that the conception and technical scheme of utility model are directly applied into other occasions, it is regarded as the protection of the utility model
Range.
Claims (9)
1. a kind of anticorrosion diaphragm, it includes gauge stand (100) and gauge outfit (200), which is characterized in that the gauge stand
It (100) include connector (400) and diaphragm body with a central hole (300) with central channel (401), the diaphragm body
(300) be equipped with diaphragm (800) for feeling measured medium in, the diaphragm (800) by gauge stand (100) be divided into every
Medium cavity (600) below diaphragm (800) and the conduction cavity (500) above diaphragm (800), the conduction cavity
(500) it is provided with conduction liquid in, and conducts cavity (500) connection central channel (401), the central channel (401) is by for placing
The seal groove (4012), detachable with the gauge outfit (200) of the open trough (4011) of gauge outfit (200), sealing medium cavity (600)
The thread groove (4013) of connection and mounting groove (4014) for conducting pressure form, and are provided in the mounting groove (4014)
For by the pressure conversion device (402) of pressure conduction to gauge outfit (200) contact (203).
2. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that the pressure conversion device
(402) it is included in the briquetting (4020) slided in mounting groove (4014) and stretches out the pressure head (4021) of mounting groove (4014), it is described
The installation of briquetting (4020) upper end has elastic component (4022).
3. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that gauge outfit (200) lower end is set
It is equipped with rubber pad (201), passes through sealing ring (404) sealing cooperation between the rubber pad (201) and seal groove (4012).
4. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that described gauge outfit (200) lower end
It is fixed with interconnecting piece (202), the interconnecting piece (202) and thread groove (4013) are cooperatively connected.
5. a kind of anticorrosion diaphragm according to any one of claims 1-4, which is characterized in that the gauge outfit
(200) external to be provided with protective cover.
6. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that the connector (400) with every
Membrane body (300) is threadedly coupled, and is provided with a conical surface (403) on connector (400), between the conical surface (403) and diaphragm body (300)
It is provided with sealing ring (404).
7. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that the diaphragm (800) is
EPDM, FKM, PTFE/EPDM, PTFE/FKM material.
8. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that the gauge outfit (200) is
PVDF, PP-H, CPVC material.
9. a kind of anticorrosion diaphragm according to claim 1, which is characterized in that under the diaphragm body (300)
End is provided with the pumped (conveying) medium pipe fitting (700) with external screw thread (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822106337.7U CN208998999U (en) | 2018-12-15 | 2018-12-15 | A kind of anticorrosion diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822106337.7U CN208998999U (en) | 2018-12-15 | 2018-12-15 | A kind of anticorrosion diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208998999U true CN208998999U (en) | 2019-06-18 |
Family
ID=66808826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822106337.7U Active CN208998999U (en) | 2018-12-15 | 2018-12-15 | A kind of anticorrosion diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208998999U (en) |
-
2018
- 2018-12-15 CN CN201822106337.7U patent/CN208998999U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Yufeng Industrial Park Building B 809, 43 Shiweipinggang Industrial Zone, Genyu Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Honglianshuo Fluid Transportation Technology Engineering Co., Ltd. Address before: 518000 Yufeng Industrial Park, Block B 809, 43 Shiweiping Gang Industrial Zone, Genyu Road, Gongming Street, Guangming New District, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Honglianshuo Fluid Transportation Technology Engineering Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |