CN215059424U - Chemical sealing diaphragm body - Google Patents
Chemical sealing diaphragm body Download PDFInfo
- Publication number
- CN215059424U CN215059424U CN202121551326.5U CN202121551326U CN215059424U CN 215059424 U CN215059424 U CN 215059424U CN 202121551326 U CN202121551326 U CN 202121551326U CN 215059424 U CN215059424 U CN 215059424U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- diaphragm body
- cavity
- connection portion
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
An embodiment of the utility model provides a chemistry seals diaphragm body relates to the technical field of the diaphragm body. This chemistry is sealed the diaphragm body and is included first diaphragm body, the second diaphragm body and diaphragm, the cavity has been seted up to the one end of the first diaphragm body, the diaphragm sets up in the cavity, the second diaphragm body detachably connect in the cavity, the diaphragm centre gripping in the second diaphragm body with between the inner diapire of cavity, be convenient for install and dismantle the diaphragm more.
Description
Technical Field
The utility model relates to a technical field of the diaphragm body particularly, relates to a chemistry seals diaphragm body.
Background
With the development and attention on environmental protection, the society gradually increases the requirements of waste water treatment in the life and industrial production of residents. In the water treatment process of the environmental protection industry, more complex water quality needs to be faced, and some industrial and chemical sewage have complex components, more particles and strong corrosivity. Because products such as pressure gauge and pressure transmitter all adopt metal material such as copper or ordinary stainless steel to make, when detecting waste water pressure, great to instrument itself injury, must add the diaphragm body to guarantee instrument life.
The existing diaphragm bodies are all provided with diaphragms, and the diaphragms have the problem of inconvenient installation and disassembly.
SUMMERY OF THE UTILITY MODEL
Objects of the present invention include, for example, providing a chemically sealed diaphragm body that facilitates installation and removal of the diaphragm.
The embodiment of the utility model discloses a can realize like this:
an embodiment of the present invention provides a chemical sealing diaphragm body, which includes a first diaphragm body, a second diaphragm body and a diaphragm;
one end of the first diaphragm body is provided with a cavity, and the diaphragm is arranged in the cavity;
the second diaphragm body is detachably connected in the cavity;
the diaphragm is sandwiched between the second diaphragm body and an inner bottom wall of the cavity.
Optionally, the edge of the diaphragm is provided with a positioning portion, and the inner bottom wall of the cavity and the end face of the second diaphragm body are both provided with positioning grooves for the positioning portion to be clamped in.
Optionally, the positioning portion is annular, and the positioning groove is annular;
and the positioning groove on the inner wall of the cavity and the positioning groove on the end surface of the second diaphragm body are matched to clamp the positioning part.
Optionally, a protruding portion is arranged on the diaphragm, the protruding portion is located on the inner side of the positioning portion, and the protruding portion is wavy.
Optionally, the second diaphragm body is threaded onto an inner wall of the cavity.
Optionally, an installation groove for installing a measuring instrument is formed in one end, far away from the cavity, of the first diaphragm body;
the mounting groove with seted up first opening of communicating between the cavity, with the mounting groove with the cavity is linked together, first opening of communicating is used for supplying measuring instrument's probe to stretch into.
Optionally, a first inclined plane is arranged on an inner wall of the cavity close to the first communication port, and is used for exhausting gas in the first diaphragm body.
Optionally, the second diaphragm body is provided with a second communicating opening along the length direction thereof, and one end of the second diaphragm body connected in the cavity is provided with a second inclined surface for discharging moisture in the second diaphragm body.
Optionally, the second diaphragm body includes a first connection portion, a second connection portion, and a third connection portion, and the first connection portion, the second connection portion, and the third connection portion are connected in sequence;
the first connecting part is detachably connected in the cavity;
and the third connecting part is provided with an external thread and is used for being connected with a waste water pipeline.
Optionally, the cross-sectional shape of the end surface of the second connecting portion is rectangular, and the second connecting portion is used for a wrench to screw.
The beneficial effects of the chemically sealed diaphragm body of the embodiment of the present invention include, for example: when the diaphragm body is installed, firstly, the diaphragm is placed in the cavity of the first diaphragm body, then the second diaphragm body is connected into the cavity, and the diaphragm is clamped between the second diaphragm body and the inner bottom wall of the cavity, so that the diaphragm is installed; when the diaphragm needs to be disassembled or replaced, the second diaphragm body can be taken out of the cavity and then taken out of the cavity, and the diaphragm can be conveniently assembled and disassembled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present application showing a first diaphragm body;
FIG. 2 is a schematic cross-sectional structural view for illustrating a second diaphragm body in an embodiment of the present application;
fig. 3 is a schematic structural diagram for showing a membrane in the embodiment of the present application.
Icon: 100-a first diaphragm body; 110-a cavity; 120-positioning grooves; 130-a mounting groove; 140-a first communication port; 150-a first bevel; 200-a second membrane body; 210-a first connection; 211-a second bevel; 220-a second connection; 230-a third connection; 240-a second communication port; 300-a membrane; 310-a positioning section; 320-a boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The working principle of the diaphragm body related to the application is as follows: the diaphragm body is installed on measuring instrument, and during the detection waste water pressure, waste water gets into the diaphragm internally, and the diaphragm pushes the conduction liquid of diaphragm top behind the pressure and exerts pressure to the measuring instrument table, has avoided measuring instrument direct contact waste water to produce the condition of corroding to the instrument through the form of indirect transmission pressure.
Referring to fig. 1 to 3, the present embodiment provides a chemically-sealed diaphragm body applied to a measuring instrument, including a first diaphragm body 100, a second diaphragm body 200, and a diaphragm 300; the first diaphragm body 100 has a cavity 110 formed at one end thereof, the diaphragm 300 is disposed in the cavity 110, the second diaphragm body 200 is detachably coupled to the cavity 110, and the diaphragm 300 is sandwiched between the second diaphragm body 200 and an inner bottom wall of the cavity 110.
The diaphragm 300 is positioned by clamping the diaphragm 300 within the cavity 110 using the first and second diaphragm bodies 100, 200, facilitating the installation and removal of the diaphragm 300; in addition, the design of the cavity 110 makes the product structure more compact and reduces the material cost.
In this embodiment, the second diaphragm body 200 is screwed to the inner wall of the cavity 110, so that the connection relationship between the second diaphragm body 200 and the first diaphragm body 100 is stable.
Further, the edge of the diaphragm 300 is provided with a positioning portion 310, and the inner bottom wall of the cavity 110 and the end surface of the second diaphragm body 200 are both provided with a positioning groove 120 for the positioning portion 310 to be clamped in; the positioning portion 310 is annular, the positioning groove 120 is annular, and the positioning groove 120 on the inner wall of the cavity 110 and the positioning groove 120 on the end surface of the second diaphragm body 200 cooperate to clamp the positioning portion 310.
In this embodiment, the cross-sectional shape of the diaphragm 300 is circular, and the positioning groove 120 on the inner wall of the cavity 110 is abutted to the positioning groove 120 on the end surface of the second diaphragm body 200 to clamp the positioning portion 310 of the diaphragm 300, so that the diaphragm 300 is clamped between the second diaphragm body 200 and the inner bottom wall of the cavity 110, the diaphragm 300 is not easily moved, and the stability of the diaphragm 300 is improved.
Further, the diaphragm 300 is provided with a protruding portion 320, the protruding portion 320 is located on the inner side of the positioning portion 310, and the protruding portion 320 is wavy.
It should be noted that the wavy convex portion 320 refers to a plurality of circles of annular protrusions arranged inside the diaphragm 300, and the diameters of the circles of annular protrusions decrease from outside to inside.
In this embodiment, the diaphragm 300 is the rubber diaphragm 300, and the diaphragm 300 is set to be wavy, so that a larger deformation range is provided, the pressure conduction precision is improved, the influence on the detection precision of the instrument is smaller when the temperature changes, the influence pressure of product design is less than 20mbar, and the change of a measured value caused by the temperature change of a measurement medium is effectively eliminated.
In addition, the membrane 300 has a wide range of material choices to meet different media usage requirements, and can be made of rubber materials such as EPDM, FPM, PTFE, and the like.
Further, an installation groove 130 for installing a measuring instrument is formed at one end of the first diaphragm body 100 away from the cavity 110; a first communication port 140 is formed between the mounting groove 130 and the cavity 110 to communicate the mounting groove 130 with the cavity 110, and the first communication port 140 is used for a probe of the measuring instrument to extend into.
In this embodiment, the inner wall of the mounting groove 130 is provided with an internal thread, and the measuring instrument is screwed into the mounting groove 130, so that the connection relationship between the measuring instrument and the first diaphragm body 100 is stable.
In addition, a first inclined surface 150 is provided on an inner wall of the cavity 110 adjacent to the first communication port 140 for discharging gas within the first diaphragm body 100.
In the present embodiment, the first inclined surface 150 is provided obliquely upward, and when the conductive liquid is injected into the region of the first diaphragm body 100 located above the diaphragm 300, the first inclined surface 150 is provided to facilitate the gas in the first diaphragm body 100 to be discharged sequentially through the first inclined surface 150, the first communication port 140, and the mounting groove 130.
In addition, the second diaphragm body 200 has a second communication port 240 formed along the longitudinal direction thereof, and a second inclined surface 211 is formed at an end of the second diaphragm body 200 connected to the cavity 110 to discharge moisture in the second diaphragm body 200.
In the present embodiment, the second inclined surface 211 is provided obliquely downward, and the second inclined surface 211 is provided so that excess water is not easily accumulated in the second membrane element 200 but is discharged along with the second inclined surface 211 and the second communication port 240.
Further, the second diaphragm body 200 includes a first connection portion 210, a second connection portion 220, and a third connection portion 230, and the first connection portion 210, the second connection portion 220, and the third connection portion 230 are connected in sequence; the first connection portion 210 is detachably connected in the cavity 110; the third connection part 230 is provided with an external thread for connecting with a waste water pipe; the cross-sectional shape of the end surface of the second connecting portion 220 is rectangular, and the second connecting portion 220 is used for a wrench to screw.
Optionally, an external thread is disposed on the outer side of the first connection portion 210, an internal thread is disposed on the inner side wall of the cavity 110, and the first connection portion 210 is in threaded fit with the inner side wall of the cavity 110; the positioning groove 120 is disposed on the end surface of the first connecting portion 210, and the second inclined surface 211 is disposed on the first connecting portion 210.
When the second diaphragm body 200 and the first diaphragm body 100 are mounted, the first connection portion 210 is screwed into the cavity 110 of the first diaphragm body 100, and then the second connection portion 220 is screwed by a wrench, so that the first connection portion 210 is engaged with the inner bottom wall of the cavity 110 to clamp and position the diaphragm 300.
In addition, the chemical sealing diaphragm body of the application has small volume and smaller required installation space, and is favorable for equipment integration.
The first and second diaphragm bodies 100 and 200 may be made of plastic such as PP, UPVC, PVDF, or metal such as 316, 2205, or C2507, and have a high pressure resistance rating up to 16 Mpa.
According to the chemical sealing diaphragm body provided by the embodiment, the working principle of the chemical sealing diaphragm body is as follows:
by screwing the second diaphragm body 200 into the cavity 110 of the first diaphragm body 100, the positioning portion 310 of the diaphragm 300 is clamped by the positioning groove 120, so that the diaphragm 300 is positioned, and the mounting and dismounting of the diaphragm 300 are facilitated. In addition, by arranging the wavy bulge part 320 in the diaphragm 300, a larger deformation range is provided, the pressure conduction precision is improved, the influence on the detection precision of the instrument is smaller when the temperature changes, and the change of the measured value caused by the temperature change of the measuring medium is effectively eliminated.
The chemical sealing membrane body provided by the embodiment has at least the following advantages:
the positioning part 310 on the membrane 300 is clamped and positioned by the positioning groove 120, so that the membrane 300 is convenient to mount and dismount;
the wavy bulge part 320 is arranged in the diaphragm 300, so that a larger deformation range is provided, the pressure conduction precision is improved, the influence on the detection precision of the instrument is smaller when the temperature changes, and the change of a measured value caused by the temperature change of a measuring medium is effectively eliminated;
the first diaphragm body 100 and the second diaphragm body 200 are in threaded connection, so that secondary maintenance and replacement of products are facilitated;
the chemical sealing diaphragm body has small integral volume and smaller required installation space, and is favorable for equipment integration.
In summary, the embodiment of the present invention provides a chemical sealing diaphragm body, which is more convenient for maintenance and replacement by detachably connecting a first diaphragm body 100 and a second diaphragm body 200 to clamp and position a diaphragm 300; in addition, the wavy membrane 300 provides a larger deformation range, improves the pressure conduction precision, has smaller influence on the detection precision of the instrument when the temperature changes, and effectively eliminates the change of the measured value caused by the temperature change of the measuring medium.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A chemical seal diaphragm body is applied to a measuring instrument and is characterized by comprising a first diaphragm body, a second diaphragm body and a diaphragm;
one end of the first diaphragm body is provided with a cavity, and the diaphragm is arranged in the cavity;
the second diaphragm body is detachably connected in the cavity;
the diaphragm is sandwiched between the second diaphragm body and an inner bottom wall of the cavity.
2. The chemically sealed diaphragm according to claim 1, wherein the edge of the diaphragm is provided with a positioning portion, and the inner bottom wall of the cavity and the end surface of the second diaphragm body are each provided with a positioning groove for the positioning portion to be snapped in.
3. The chemically-sealed diaphragm body of claim 2, wherein the locating portion is annular and the locating groove is annular;
and the positioning groove on the inner wall of the cavity and the positioning groove on the end surface of the second diaphragm body are matched to clamp the positioning part.
4. The chemically sealing diaphragm according to claim 2, wherein a raised portion is provided on the diaphragm, said raised portion being located inside said locating portion, and said raised portion being wave-shaped.
5. The chemical sealing diaphragm body of claim 1, wherein the second diaphragm body is threaded onto an inner wall of the cavity.
6. The chemical sealing diaphragm body of claim 1, wherein an end of the first diaphragm body away from the cavity is provided with an installation groove for installing a measuring instrument;
the mounting groove with seted up first opening of communicating between the cavity, with the mounting groove with the cavity is linked together, first opening of communicating is used for supplying measuring instrument's probe to stretch into.
7. The chemically sealing diaphragm body of claim 6, wherein an inner wall of said cavity adjacent to said first communication port is provided with a first inclined surface for venting gas within the first diaphragm body.
8. The chemically sealed diaphragm according to claim 1, wherein the second diaphragm body has a second communication port along a length direction thereof, and a second inclined surface is disposed at an end of the second diaphragm body connected to the cavity for discharging moisture in the second diaphragm body.
9. The chemically-sealing diaphragm body of claim 1, wherein the second diaphragm body comprises a first connection portion, a second connection portion and a third connection portion, the first connection portion, the second connection portion and the third connection portion being connected in series;
the first connecting part is detachably connected in the cavity;
and the third connecting part is provided with an external thread and is used for being connected with a waste water pipeline.
10. The chemical sealing diaphragm body of claim 9, wherein the second connection portion has an end surface with a rectangular cross-sectional shape, the second connection portion being adapted to be screwed by a wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551326.5U CN215059424U (en) | 2021-07-08 | 2021-07-08 | Chemical sealing diaphragm body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551326.5U CN215059424U (en) | 2021-07-08 | 2021-07-08 | Chemical sealing diaphragm body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059424U true CN215059424U (en) | 2021-12-07 |
Family
ID=79224468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121551326.5U Active CN215059424U (en) | 2021-07-08 | 2021-07-08 | Chemical sealing diaphragm body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059424U (en) |
-
2021
- 2021-07-08 CN CN202121551326.5U patent/CN215059424U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215059424U (en) | Chemical sealing diaphragm body | |
| CN216247059U (en) | Device for detecting inner and outer sealing performance of gasket | |
| JPH08313379A (en) | Pressure sensor | |
| CN214092242U (en) | Cylinder cover of film press | |
| CN212082484U (en) | Natural gas ultrasonic flowmeter | |
| CN212902825U (en) | Steel lining injection molding integral type mould pressing PFA tube sheet | |
| CN2793713Y (en) | Kinetic waveguiding pipeline monitoring sensor | |
| CN212808200U (en) | Liquid parameter detection box | |
| CN112524365A (en) | Combined sealing gasket suitable for various working conditions | |
| CN218883693U (en) | Ultrasonic flow pipeline | |
| CN217818908U (en) | Ultrahigh pressure glass plate type liquid level meter | |
| CN220649926U (en) | Portable air tightness test equipment | |
| CN216555960U (en) | Sealing device for pipeline engineering | |
| CN211740480U (en) | Double-flange liquid level transmitter | |
| CN217442376U (en) | Device for monitoring condenser leakage on line | |
| CN217331323U (en) | Capacity calibration device for small-capacity container | |
| CN215596024U (en) | Energy accumulator for hydraulic station | |
| CN218239244U (en) | Air tightness detection tool | |
| CN217483727U (en) | Pressure measuring device | |
| CN220689092U (en) | Molecular seal | |
| CN213902721U (en) | Ceramic thick film pressure transmitter | |
| CN213397217U (en) | Electric contact pressure gauge convenient to maintain | |
| CN216410545U (en) | Seal cavity for air tightness detection | |
| CN211855663U (en) | Pressure transmitter for container | |
| CN210922754U (en) | Adjustment structure for eliminating installation stress of glass plate liquid level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |