CN215643721U - Material level instrument mounting structure - Google Patents
Material level instrument mounting structure Download PDFInfo
- Publication number
- CN215643721U CN215643721U CN202122097688.8U CN202122097688U CN215643721U CN 215643721 U CN215643721 U CN 215643721U CN 202122097688 U CN202122097688 U CN 202122097688U CN 215643721 U CN215643721 U CN 215643721U
- Authority
- CN
- China
- Prior art keywords
- flange
- blind
- hole
- gland
- blind flange
- 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
- Gasket Seals (AREA)
Abstract
The utility model relates to a material level instrument mounting structure which is used for being connected with an external flange bolt of a container to be tested and comprises a gland flange and a blind flange which are arranged from top to bottom, wherein the gland flange is made of metal, and the blind flange is made of polytetrafluoroethylene; a mounting hole for mounting a material level instrument is formed in the middle of the top of the blind flange, a through hole is formed in the middle of the gland flange in a penetrating mode, and the inner diameter of the through hole is smaller than that of the mounting hole; the bottom of the gland flange is tightly attached to the top of the blind flange, and the gland flange is in screw connection with the blind flange; the gland flange is provided with a plurality of first connecting holes in a penetrating way, wherein the first connecting holes are connected with the external flange through bolts, and the blind flange is provided with second connecting holes in a penetrating way at the position corresponding to the first connecting holes. The utility model can protect the level meter to improve the measuring precision.
Description
Technical Field
The utility model relates to the technical field of instrument mounting structures, in particular to a material level instrument mounting structure.
Background
When the level meter is used, the level meter needs to be installed at the top opening of the tank body so as to measure the distance between the top of an object in the tank body and the top opening of the tank body. When the level instrument is installed, the level instrument needs to be fixed on the flange firstly, then the flange provided with the instrument is installed on the flange of the tank body, the sealing performance of the flange of the existing level instrument is poor, and when the volatile medium is installed in the tank body, the volatile medium easily enters the flange to affect the use of the level instrument.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide a mounting structure of a level instrument, which can protect the level instrument so as to improve the measurement precision.
In order to solve the technical problem, the utility model provides a material level instrument mounting structure which is used for being connected with an external flange bolt of a container to be tested and comprises a gland flange and a blind flange which are arranged from top to bottom, wherein the gland flange is made of metal, and the blind flange is made of polytetrafluoroethylene; a mounting hole for mounting a material level instrument is formed in the middle of the top of the blind flange, a through hole is formed in the middle of the gland flange in a penetrating mode, and the inner diameter of the through hole is smaller than that of the mounting hole; the bottom of the gland flange is tightly attached to the top of the blind flange, and the gland flange is in screw connection with the blind flange; the gland flange is provided with a plurality of first connecting holes in a penetrating way, wherein the first connecting holes are connected with the external flange through bolts, and the blind flange is provided with second connecting holes in a penetrating way at the position corresponding to the first connecting holes.
According to the utility model, the blind flange is made of polytetrafluoroethylene, and the top of the blind flange is tightly attached to the bottom of the gland flange, so that a good surface sealing structure can be formed between the blind flange and the gland flange, and a volatile medium can be effectively prevented from entering the mounting hole through a gap between the blind flange and the gland flange, so that the volatile medium is prevented from being attached to the surface of the level instrument, and the measurement precision is improved. In addition, the polytetrafluoroethylene material is applied, so that the level instrument mounting structure can be applied to a high-temperature environment (the temperature is less than 260 ℃) and can be applied to level measurement of acid-base media.
Preferably, the gland flange and the blind flange have the same outer diameter. The outer diameters of the flange and the flange are consistent, so that when the material level instrument mounting structure is connected with the external flange of the container to be tested, the blind flange can be uniformly stressed, and the blind flange is effectively prevented from being damaged in the connection process.
Preferably, the middle position of the bottom of the blind flange protrudes downwards to form a tapered part with a large upper part and a small lower part, and the bottom of the mounting hole is provided with a tapered hole with a large upper part and a small lower part, and the tapered hole is positioned on the inner periphery of the tapered part. The design of the conical part can enable the bottom of the blind flange to have a flow guide function, when the volatile medium is attached to the bottom of the blind flange, the volatile medium can flow back to the container to be measured along the conical part, and the influence on the measurement precision due to the accumulation of the volatile medium at the bottom of the blind flange is prevented; in addition, the design of toper portion and bell mouth can effectively reduce the reflection of instrument electromagnetic wave and the decay of signal, and the reliability is high.
Preferably, the bottom of the mounting hole is provided with a sealing groove, the sealing groove is positioned on the periphery of the tapered hole, and a sealing ring is embedded in the sealing groove. The design of the sealing groove can improve the sealing performance between the level instrument and the blind flange, prevent impurities such as water vapor and the like from entering the conical hole and ensure that the measurement of the level instrument is not interfered by foreign matters in the conical hole.
Preferably, a plurality of counter bores are formed in the blind flange, threaded holes are formed in the positions, corresponding to the counter bores, of the gland flange, and the counter bores are connected with the corresponding threaded holes through screws.
Preferably, a plurality of unthreaded holes are arranged on the gland flange in a penetrating manner, blind holes are arranged at positions, corresponding to the unthreaded holes, on the top of the blind flange, and the unthreaded holes are connected with the corresponding blind holes through self-tapping screws.
Preferably, a plurality of the first connecting holes are evenly distributed around the circumference of the central axis of the gland flange, and a plurality of the second connecting holes are evenly distributed around the circumference of the central axis of the blind flange.
Preferably, a plurality of counter bores are evenly distributed around the circumference of the central axis of the blind flange, and a plurality of threaded holes are evenly distributed around the circumference of the central axis of the gland flange.
Preferably, a plurality of unthreaded holes are evenly distributed around the circumference of the central axis of the gland flange, and a plurality of blind holes are evenly distributed around the circumference of the central axis of the blind flange.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or 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 level gauge mounting structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a blind flange according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a gland flange according to an embodiment of the present invention.
Reference numerals:
1-a gland flange; 11-a via hole; 12-a threaded hole; 13-a light hole; 14-a first connection hole; 2-blind flange; 21-mounting holes; 211-a tapered hole; 212-a seal groove; 22-a conical portion; 23-countersunk; 24-blind holes; 25-second connection hole.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially in the connection relationship between hardware, and not in the functions and methods themselves, that is, the present invention relates to a point of functions and methods, but does not include the improvements proposed in the functions and methods themselves. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.
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 utility model pertains.
As shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a level meter mounting structure for being bolted to an external flange of a container to be measured, including a gland flange 1 and a blind flange 2 arranged from top to bottom, where the gland flange 1 is made of metal, and the blind flange 2 is made of teflon. The top middle position of the blind flange 2 is provided with a mounting hole 21 for mounting a level instrument, the middle position of the gland flange 1 is provided with a through hole 11 in a penetrating way, the inner diameter of the through hole 11 is smaller than that of the mounting hole 21, and the level instrument is clamped between the gland flange 1 and the blind flange 2.
Furthermore, a conical part 22 with a large top and a small bottom is formed by downward protruding the middle position of the bottom of the blind flange 2, a conical hole 211 with a large top and a small bottom is opened at the bottom of the mounting hole 21, and the conical hole 211 is positioned on the inner periphery of the conical part 22.
In this embodiment, the outer diameters of the gland flange 1 and the blind flange 2 are the same, and the bottom of the gland flange 1 is tightly attached to the top of the blind flange 2. A plurality of countersunk holes 23 are uniformly distributed on the blind flange 2 around the circumference of the central axis thereof, threaded holes 12 are arranged on the gland flange 1 corresponding to the positions of the countersunk holes 23, correspondingly, a plurality of threaded holes 12 are uniformly distributed around the circumference of the central axis of the gland flange 1, and the countersunk holes 23 are connected with the corresponding threaded holes 12 through screws. In addition, a plurality of unthreaded holes 13 are arranged on the gland flange 1 in a penetrating mode around the central axis of the gland flange, blind holes 24 are arranged at the positions, corresponding to the unthreaded holes 13, of the top of the blind flange 2, correspondingly, the blind holes 24 are evenly distributed around the circumference of the central axis of the blind flange 2, and the unthreaded holes 13 are connected with the corresponding blind holes 24 through self-tapping screws. By adopting the connecting structure, the gland flange 1 and the blind flange 2 can be tightly connected, and the gland flange 1 is made of metal, so that the defects of the blind flange 2 can be overcome, and the overall rigidity of the installation structure of the level instrument in the embodiment is improved.
In addition, a plurality of first connection holes 14 connected with the external flange bolts are arranged on the gland flange 1 in a penetrating way, and a second connection hole 25 is arranged on the blind flange 2 in a penetrating way at a position corresponding to the first connection holes 14. Likewise, a plurality of first connection holes 14 are circumferentially evenly distributed around the central axis of the gland flange 1, and a plurality of second connection holes 25 are circumferentially evenly distributed around the central axis of the blind flange 2.
In this embodiment, the blind flange 2 is made of polytetrafluoroethylene, and the top of the blind flange 2 is tightly attached to the bottom of the gland flange 1, so that a good surface sealing structure can be formed between the blind flange 2 and the gland flange 1, and a volatile medium can be effectively prevented from entering the mounting hole 21 through a gap between the blind flange 2 and the gland flange 1, so that the volatile medium is prevented from being attached to the surface of the level instrument, and the measurement precision is improved. The conical part 22 is designed, so that the bottom of the blind flange 2 has a flow guide function, when the volatile medium is attached to the bottom of the blind flange 2, the volatile medium can flow back to the container to be measured along the conical part 22, and the influence on the measurement accuracy caused by the accumulation of the volatile medium at the bottom of the blind flange 2 is avoided; in addition, the design of the tapered part 22 and the tapered hole 211 can effectively reduce the reflection of electromagnetic waves of the instrument and the attenuation of signals. The reliability is high.
Further, a seal groove 212 is formed at the bottom of the mounting hole 21, the seal groove 212 is located on the outer periphery of the tapered hole 211, and a seal ring is fitted into the seal groove 212. The design of the sealing groove 212 can improve the sealing performance between the level meter and the blind flange 2, prevent impurities such as water vapor from entering the tapered hole 211, and ensure that the measurement of the level meter is not interfered by foreign matters.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (9)
1. A level instrument mounting structure for being connected with an external flange bolt of a container to be tested, which is characterized by comprising:
the gland flange and the blind flange are arranged from top to bottom, the gland flange is made of metal, and the blind flange is made of polytetrafluoroethylene;
a mounting hole for mounting a material level instrument is formed in the middle of the top of the blind flange, a through hole is formed in the middle of the gland flange in a penetrating mode, and the inner diameter of the through hole is smaller than that of the mounting hole;
the bottom of the gland flange is tightly attached to the top of the blind flange, and the gland flange is in screw connection with the blind flange;
the gland flange is provided with a plurality of first connecting holes in a penetrating way, wherein the first connecting holes are connected with the external flange through bolts, and the blind flange is provided with second connecting holes in a penetrating way at the position corresponding to the first connecting holes.
2. A level gauge mounting structure as claimed in claim 1, wherein:
the outer diameters of the gland flange and the blind flange are consistent.
3. A level gauge mounting structure as claimed in claim 1, wherein:
the middle position of the bottom of the blind flange protrudes downwards to form a conical part with a large upper part and a small lower part, the bottom of the mounting hole is provided with a conical hole with a large upper part and a small lower part, and the conical hole is positioned on the inner periphery of the conical part.
4. A level gauge mounting structure as claimed in claim 3, wherein:
the bottom of the mounting hole is provided with a sealing groove, the sealing groove is positioned on the periphery of the conical hole, and a sealing ring is embedded in the sealing groove.
5. A level gauge mounting structure as claimed in claim 1, wherein:
the blind flange is provided with a plurality of counter bores, the gland flange is provided with threaded holes corresponding to the positions of the counter bores, and the counter bores are connected with the corresponding threaded holes through screws.
6. A level gauge mounting structure as claimed in claim 1, wherein:
the gland flange is provided with a plurality of unthreaded holes in a through mode, the top of the blind flange is provided with a blind hole corresponding to the position of the unthreaded hole, and the unthreaded hole is connected with the corresponding blind hole through a self-tapping screw.
7. A level gauge mounting structure as claimed in claim 1, wherein:
the first connecting holes are uniformly distributed around the circumference of the central axis of the gland flange, and the second connecting holes are uniformly distributed around the circumference of the central axis of the blind flange.
8. A level gauge mounting arrangement according to claim 5, wherein:
the plurality of countersunk holes are uniformly distributed around the circumference of the central axis of the blind flange, and the plurality of threaded holes are uniformly distributed around the circumference of the central axis of the gland flange.
9. A level gauge mounting structure as claimed in claim 6, wherein:
the light holes are uniformly distributed around the circumference of the central axis of the gland flange, and the blind holes are uniformly distributed around the circumference of the central axis of the blind flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122097688.8U CN215643721U (en) | 2021-09-01 | 2021-09-01 | Material level instrument mounting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122097688.8U CN215643721U (en) | 2021-09-01 | 2021-09-01 | Material level instrument mounting structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215643721U true CN215643721U (en) | 2022-01-25 |
Family
ID=79905550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122097688.8U Active CN215643721U (en) | 2021-09-01 | 2021-09-01 | Material level instrument mounting structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215643721U (en) |
-
2021
- 2021-09-01 CN CN202122097688.8U patent/CN215643721U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110081799B (en) | Thin-wall casing blade tip clearance measuring device | |
CN215643721U (en) | Material level instrument mounting structure | |
CN106643458A (en) | Capacitance-type blade tip gap testing sensor mounting device | |
CN209877930U (en) | Blade tip clearance measuring device for double-layer casing | |
CN215952676U (en) | Combined mounting structure of level instrument | |
CN207717283U (en) | A kind of pressure gauge with protective device | |
CN207528301U (en) | A kind of indicator water gage | |
CN215950036U (en) | Novel material level instrument mounting structure | |
CN201464144U (en) | Pipeline leakage and blockage detection system | |
AU2021221640A1 (en) | A metal surface corrosion monitoring device with temperature compensation based on fiber grating | |
CN218973715U (en) | High-pressure-resistant pressure transmitter | |
CN216815625U (en) | Water meter with alarm function | |
CN211978040U (en) | Corrosion-resistant radar liquid level meter | |
CN205226721U (en) | Pipeline hydrophone mounting base | |
CN219714193U (en) | Tool for checking gasket installation condition | |
CN217442709U (en) | Temperature transmitter with sheath | |
CN109799028A (en) | Rotary type pressure transmitter | |
CN210953013U (en) | Input type liquid level transmitter with storage device | |
CN101122102A (en) | Paper making disc type paste mill grinding clearance on-line accurate measuring technique | |
CN210664638U (en) | Flowmeter for industrial automatic control instrument system | |
CN218916377U (en) | Moistureproof industrial instrument | |
CN204758177U (en) | Ultrasonic wave calorimeter of high accuracy | |
CN219223872U (en) | Scanner casing protection device | |
CN117967585A (en) | Hydrophone mounting structure for flow noise test in pump body of double-suction centrifugal pump | |
CN211317477U (en) | Special tool for checking input type liquid level meter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |