Multifunctional sealing spacing assembly of pressure transmitter

Abstract

The utility model provides a multifunctional sealing spacing assembly of a pressure transmitter. The structure of the multifunctional sealing spacing assembly is that a base is of a circular layered structure; the flange is of a cylindrical wall-shaped structure, one end of the flange is fixedly connected to the first side face of the circular layered base, the other end of the flange protrudes out of the first side face of the circular layered base, and the cylindrical wall-shaped structure space of the flange is perpendicular to the first side face of the circular layered base; the sleeve extends from the second side face, opposite to the first side face, of the circular layered base, the extending direction of the sleeve is consistent with the protruding direction of the flange, and a through cavity is formed in the sleeve. The backwashing pipe penetrates through the circular layered base from the second side surface; the end, away from the circular layered base, of the sleeve is of a reducing structure, a sealing ring is arranged on the inner wall of the sleeve of the reducing structure, and the sealing ring is in sealing contact with a component penetrating through a cavity of the sleeve. According to the invention, the overall sealing effect of the internal space isolation component of the pressure transmitter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure transmitters, in particular to a multifunctional sealing spacer component of a pressure transmitter. Background Art

[0002] Attached Figure 1 An existing pressure transmitter is shown, which includes a wiring plug-in 7, an intermediate housing 2 and a base 1, wherein the intermediate housing 2 and the base 1 are respectively provided with a signal amplification processing element 5 and a pressure measuring element 3. The signal amplification processing element 5 can convert the physical pressure parameters of gas, liquid, etc. sensed by the pressure measuring element 3 into a standard electrical signal, and supply the secondary instruments such as an indication alarm, a recorder, and a regulator through the cable in the wiring plug-in for measurement, indication and process adjustment. It should be noted that the pressure transmitter only relies on a thin sheet spacer to achieve the isolation of the internal space of the pressure transmitter, and the thin sheet spacer can provide a limited sealing effect between the other two isolated spaces.

[0003] Therefore, there is an urgent need to propose a multifunctional sealing spacer assembly for a pressure transmitter to solve the technical problem that the current pressure transmitter only relies on a thin sheet-like spacer to isolate the internal space of the pressure transmitter, and the thin sheet-like spacer can only provide limited sealing effect between the other two isolated spaces. Utility Model Content

[0004] Aiming at the technical problem that the pressure transmitter in the prior art only relies on a thin sheet spacer to isolate the internal space of the pressure transmitter, and the thin sheet spacer can only provide a limited sealing effect between the other two isolated spaces, the utility model proposes a multifunctional sealing spacer assembly for the pressure transmitter.

[0005] In a preferred embodiment of the present utility model, a multifunctional sealing spacer assembly of a pressure transmitter is provided, and the sealing spacer assembly comprises:

[0006] A base, wherein the base is a circular layered structure;

[0007] A flange, wherein the flange is a cylindrical wall structure, one end of the flange is fixedly connected to the first side surface of the circular layered base, and the other end of the flange protrudes from the first side surface of the circular layered base, and the cylindrical wall structure space of the flange is perpendicular to the first side surface of the circular layered base;

[0008] A sleeve, the sleeve extending from a second side surface of the circular layered base opposite to the first side surface, the extension direction of the sleeve being consistent with the protruding direction of the flange, and the interior of the sleeve being a through cavity;

[0009] A backwash pipe, wherein the backwash pipe penetrates the circular layered base from the second side surface, and an electromagnetic valve for controlling the on-off of the backwash pipe is provided on the backwash pipe, and the backwash pipe is connected to an external backwash agent; wherein,

[0010] The end of the sleeve facing away from the circular layered base is a reduced diameter structure, and a sealing ring is provided on the inner wall of the sleeve with the reduced diameter structure. The sealing ring is in sealing contact with the component penetrating the sleeve cavity; the outer edge of the circular layered base is embedded in the inner wall groove of the pressure transmitter, and the outer wall of the cylindrical wall-shaped flange is tightly attached to the inner wall where the groove is provided.

[0011] Preferably, the first side surface and the second side surface of the circular layered base are arranged in parallel.

[0012] Preferably, the base is selected from any one of a nitrile rubber base, a fluororubber base, an EPDM rubber base, a silicone rubber base, a chloroprene rubber base, a styrene-butadiene rubber base, and a hydrogenated nitrile base.

[0013] Preferably, the flange is selected from any one of a nitrile rubber flange, a fluororubber flange, an EPDM rubber flange, a silicone rubber flange, a chloroprene rubber flange, a styrene-butadiene rubber flange, and a hydrogenated nitrile flange.

[0014] Preferably, a length of the sleeve extending from the first side surface is greater than a length of the flange extending from the first side surface.

[0015] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0016] The outer edge of the circular layered base of the multifunctional sealing spacer assembly of the pressure transmitter of the present application is embedded in the inner wall groove of the pressure transmitter, and the outer wall of the cylindrical wall-shaped flange is close to the inner wall provided with the groove. The sealing structure formed by the circular layered base and the sealing structure formed by the cylindrical wall-shaped flange reinforce each other and form synergy, thereby improving the overall sealing effect of the internal space isolation component of the pressure transmitter;

[0017] A multifunctional sealing spacer assembly of a pressure transmitter of the present application also has a backwash pipe, the arrangement of which enables intermittent cleaning of the sampling end of the pressure transmitter to avoid the adhesion of dirt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and their implementation methods.

[0019] Figure 1 A pressure transmitter and a thin sheet-shaped spacer thereof according to the background art are shown.

[0020] Figure 2-3A three-dimensional view and a longitudinal cross-sectional view of a multifunctional sealing spacer assembly of a pressure transmitter in one embodiment of the utility model are respectively shown. DETAILED DESCRIPTION

[0021] The various aspects of the utility model are further described in detail below.

[0022] Unless otherwise defined or indicated, all professional and scientific terms used herein have the same meanings as those familiar to those skilled in the art. In addition, any methods and materials similar or equivalent to those described herein can be applied to the present invention.

[0023] Unless otherwise clearly specified and limited, the "or" mentioned in the present invention includes the relationship of "and". The "and" is equivalent to the Boolean logic operator "AND", the "or" is equivalent to the Boolean logic operator "OR", and "AND" is a subset of "OR".

[0024] It is to be understood that although the terms "first", "second", etc. may be used herein to describe different elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. Therefore, the first element may be referred to as the second element without departing from the teachings of the present invention.

[0025] In the present invention, the terms “mainly composed of” and “consisting of” are included in the terms “containing”, “including” or “comprising”.

[0026] Unless otherwise clearly specified and limited, the terms "connected", "connected" and "connection" in the present invention should be understood in a broad sense, for example, it can be a fixed connection, or it can be connected through an intermediary medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] For example, if an element (or component) is referred to as being on, coupled to, or connected to another element, the element may be directly formed on, coupled to, or connected to the other element, or there may be one or more intervening elements between them. In contrast, if the expressions "directly on," "directly coupled to," and "directly connected to" are used herein, then no intervening elements are indicated. Other words used to describe the relationship between elements should be similarly interpreted, such as "between" and "directly between," "attached" and "directly attached," "adjacent" and "directly adjacent," and the like.

[0028] It should also be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" used refer to directions toward or away from the geometric center of a particular component, respectively. It can be understood that these terms are used here to describe the relationship of one element, layer or region relative to another element, layer or region as shown in the drawings. In addition to the orientations described in the drawings, these terms should also include other orientations of the device.

[0029] Other aspects of the present invention will be apparent to those skilled in the art from the disclosure herein.

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0031] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation. The type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the component layout may also be more complicated. For example, the thickness of the components in the drawings may be exaggerated for the sake of clarity.

[0032] Example

[0033] As attached Figure 2-3 As shown, the utility model realizes a multifunctional sealing spacer assembly of a pressure transmitter, and the sealing spacer assembly includes:

[0034] A base 1, wherein the base 1 is a circular layered structure;

[0035] The flange 2 is a cylindrical wall structure, one end of the flange 2 is fixed to the first side surface of the circular layered base 1, and the other end protrudes from the first side surface of the circular layered base 1, and the cylindrical wall structure space of the flange 2 is perpendicular to the first side surface of the circular layered base 1;

[0036] A sleeve 3, the sleeve 3 is extended from a second side surface of the circular layered base 1 opposite to the first side surface, the extension direction of the sleeve 3 is consistent with the protruding direction of the flange 2, and the interior of the sleeve 3 is a through cavity;

[0037] A backwash pipe 4, the backwash pipe 4 passes through the circular layered base 1 from the second side, the backwash pipe 4 is provided with a solenoid valve 5 for controlling its on and off, and the backwash pipe 4 is connected to an external backwash agent; wherein,

[0038] The end of the sleeve 3 facing away from the circular layered base 1 is a reduced diameter structure, and the inner wall of the sleeve 3 with the reduced diameter structure is provided with a sealing ring 6, and the sealing ring 6 is in sealing contact with the component penetrating the cavity of the sleeve 3; the outer edge of the circular layered base 1 is embedded in the inner wall groove of the pressure transmitter, and the outer wall of the cylindrical wall-shaped flange 2 is tightly attached to the inner wall where the groove is provided.

[0039] As a preferred embodiment, the first side surface and the second side surface of the circular layered base 1 are arranged in parallel.

[0040] As a preferred embodiment, the base 1 is selected from any one of a nitrile rubber base, a fluororubber base, an EPDM rubber base, a silicone rubber base, a chloroprene rubber base, a styrene-butadiene rubber base, and a hydrogenated nitrile base.

[0041] As a preferred embodiment, the flange 2 is selected from any one of the base selected from nitrile rubber flange, fluororubber flange, EPDM rubber flange, silicone rubber flange, chloroprene rubber flange, styrene-butadiene rubber flange, and hydrogenated nitrile flange.

[0042] As a preferred embodiment, the length of the sleeve 3 extending from the first side surface is greater than the length of the flange 2 extending from the first side surface.

[0043] When in use, the outer edge of the circular layered base 1 is embedded in the inner wall groove of the pressure transmitter, and the inner groove can be set on the inner wall of the wiring plug or the inner wall of the intermediate shell. The outer edge of the circular layered base 1 and the inner wall groove are closely matched to form a first layer of sealing mechanism; the outer wall of the cylindrical wall flange 2 is closely attached to the inner wall provided with the groove, and the close abutment forms a second layer of sealing due to the existence of the abutment pressure. The sealing ring 6 is in sealing contact with the components (such as cable pipelines) passing through the cavity of the sleeve 3. The above sealing mechanism ensures the overall sealing effect of the isolation components of the internal space of the pressure transmitter (usually the space isolation of the wiring plug and the intermediate shell).

[0044] Based on this application, it should be understood by those skilled in the art that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0045] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

[0046] All documents mentioned in this utility model are cited as references in this application, just as each document is cited as reference separately. In addition, it should be understood that after reading the above content of this utility model, those skilled in the art can make various changes or modifications to this utility model, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A multifunctional sealing spacer assembly for a pressure transmitter, characterized in that: The sealing spacer assembly comprises: A base, wherein the base is a circular layered structure; A flange, wherein the flange is a cylindrical wall structure, one end of the flange is fixedly connected to the first side surface of the circular layered base, and the other end of the flange protrudes from the first side surface of the circular layered base, and the cylindrical wall structure space of the flange is perpendicular to the first side surface of the circular layered base; A sleeve, the sleeve extending from a second side surface of the circular layered base opposite to the first side surface, the extension direction of the sleeve being consistent with the protruding direction of the flange, and the interior of the sleeve being a through cavity; A backwash pipe, wherein the backwash pipe penetrates the circular layered base from the second side surface, and an electromagnetic valve for controlling the on-off of the backwash pipe is arranged on the backwash pipe, and the backwash pipe is connected to an external backwash agent; wherein, The end of the sleeve facing away from the circular layered base is a reduced diameter structure, and a sealing ring is provided on the inner wall of the sleeve with the reduced diameter structure. The sealing ring is in sealing contact with the component penetrating the sleeve cavity; the outer edge of the circular layered base is embedded in the inner wall groove of the pressure transmitter, and the outer wall of the cylindrical wall-shaped flange is tightly attached to the inner wall where the groove is provided.

2. A multifunctional sealing spacer assembly for a pressure transmitter as claimed in claim 1, characterized in that: The first side surface and the second side surface of the circular layered base are arranged in parallel.

3. A multifunctional sealing spacer assembly for a pressure transmitter as claimed in claim 2, characterized in that: The base is selected from any one of a nitrile rubber base, a fluororubber base, an EPDM rubber base, a silicone rubber base, a chloroprene rubber base, a styrene-butadiene rubber base, and a hydrogenated nitrile base.

4. A multifunctional sealing spacer assembly for a pressure transmitter as claimed in claim 3, characterized in that: The flange is selected from any one of a nitrile rubber flange, a fluororubber flange, an EPDM rubber flange, a silicone rubber flange, a chloroprene rubber flange, a styrene-butadiene rubber flange, and a hydrogenated nitrile flange.

5. A multifunctional sealing spacer assembly for a pressure transmitter as claimed in claim 4, characterized in that: The length of the sleeve extending from the first side surface is greater than the length of the flange extending from the first side surface.

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