CN216770820U - Thermocouple leading-out device - Google Patents
Thermocouple leading-out device Download PDFInfo
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- CN216770820U CN216770820U CN202220425935.4U CN202220425935U CN216770820U CN 216770820 U CN216770820 U CN 216770820U CN 202220425935 U CN202220425935 U CN 202220425935U CN 216770820 U CN216770820 U CN 216770820U
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Abstract
The thermocouple leading-out device comprises a thermocouple body, a junction box, a wiring terminal, an installation locking platform, a protection tube, a flange, a compression sealing platform, a first sealing gasket, a thermocouple working end, a chamfer and a second sealing gasket, wherein the junction box is arranged at the upper end of the thermocouple body, the wiring terminal is arranged on the junction box, and the installation locking platform is arranged below the junction box; a protection pipe is arranged below the mounting and locking platform, a thermocouple working end is arranged at the lower end of the protection pipe, and a flange is arranged outside the protection pipe in the circumferential direction; a second sealing gasket is arranged below the flange, a pressing sealing table is arranged below the second sealing gasket, a chamfer is arranged at the lower end of the pressing sealing table, and a first sealing gasket is arranged below the pressing sealing table. Meanwhile, the external thread, the first sealing gasket and the second sealing gasket are arranged, and the air leakage problem of the thermocouple installation position is solved through three-layer sealing protection, so that the influence of the air leakage of the thermocouple installation position on the measurement precision and the measurement result of the thermocouple is avoided.
Description
Technical Field
The application relates to the field of thermocouples, in particular to a thermocouple leading-out device.
Background
In industrial processes, temperature is one of the important parameters that need to be measured and controlled. The thermocouple has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, quick response to temperature change and convenient remote transmission of output signals. In addition, since the thermocouple is a passive sensor, no external power supply is needed during measurement, spontaneous heating is not easy to occur, and the safety is high, the thermocouple is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solid.
Because the temperature range needing to be detected in the industrial production process is wider, the speed needing to be detected is higher, and the safety requirement on the temperature detection device is higher, the thermocouple is mostly adopted to measure the temperature in the industrial production process. The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument (a secondary instrument).
However, most of the existing thermocouples are installed in a manner that mounting holes are formed in a furnace wall and then the thermocouples are directly inserted into a furnace chamber, air leakage is easy to occur in the installation manner, measurement accuracy and measurement results of the thermocouples are affected, and the thermocouples are prone to falling off after long-term use.
SUMMERY OF THE UTILITY MODEL
The application provides a thermocouple leading-out device to solve and easily appear leaking gas, influence the measurement accuracy and the measuring result of thermocouple, long-term use the thermocouple and have the technical problem of the risk that drops.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, the embodiment of the application discloses a thermocouple leading-out device, which comprises a thermocouple body, a junction box, a wiring terminal, an installation locking platform, a protection tube, a flange, a compression sealing platform, a first sealing gasket, a thermocouple working end, a chamfer and a second sealing gasket, wherein,
the upper end of the thermocouple body is provided with a junction box, a wiring terminal is arranged on the junction box, and an installation locking platform is arranged below the junction box;
a protection tube is arranged below the mounting and locking platform, a thermocouple working end is arranged at the lower end of the protection tube, and a flange is arranged outside the protection tube in the circumferential direction;
the flange below is provided with the sealed pad of second, and the sealed below of filling up of second is provided with and compresses tightly the sealed platform, and the lower extreme that compresses tightly the sealed platform is provided with the chamfer, compresses tightly sealed below of platform and is provided with first sealed pad.
Optionally, the thermocouple sealing device further comprises an external thread, the external thread is arranged below the first sealing gasket, the outer diameter of the external thread is larger than the diameter of the thermocouple working end, and the external thread is a fine thread.
Optionally, the flange further comprises fixing holes and locking bolts, the four fixing holes are evenly formed in the flange, and the locking bolts are arranged in the fixing holes.
Optionally, the diameter of the first sealing gasket is smaller than that of the compression sealing table, the diameter of the second sealing gasket is larger than the outer diameter of the flange, and the first sealing gasket and the second sealing gasket are both silicone rubber sealing gaskets.
Optionally, the flange is slidably connected to the protective tube.
Optionally, the mounting locking table is an outer hexagonal mounting locking table.
The beneficial effect of this application does:
the thermocouple leading-out device comprises a thermocouple body, a junction box, a wiring terminal, an installation locking platform, a protection tube, a flange, a compression sealing platform, a first sealing gasket, a thermocouple working end, a chamfer and a second sealing gasket, wherein the junction box is arranged at the upper end of the thermocouple body, the wiring terminal is arranged on the junction box, and the installation locking platform is arranged below the junction box; a protection tube is arranged below the mounting and locking platform, a thermocouple working end is arranged at the lower end of the protection tube, and a flange is arranged outside the protection tube in the circumferential direction; the flange below is provided with the sealed pad of second, and the sealed below of filling up of second is provided with and compresses tightly the sealed platform, and the lower extreme that compresses tightly the sealed platform is provided with the chamfer, compresses tightly sealed below of platform and is provided with first sealed pad. The external thread, the first sealing gasket and the second sealing gasket are arranged at the same time, and the air leakage problem of the thermocouple installation position is solved through three-layer sealing protection, so that the sealing effect of the thermocouple installation position is improved, and the influence of the air leakage of the thermocouple installation position on the measurement precision and the measurement result of the thermocouple is further avoided; the thermocouple is doubly fixed through the external threads and the locking bolt, and the risk that the thermocouple falls off is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thermocouple leading-out device according to an embodiment of the present disclosure;
FIG. 2 is a top view of a flange of a thermocouple lead-out device according to an embodiment of the present disclosure;
wherein:
1-thermocouple body, 2-junction box, 3-wiring terminal, 4-installation locking platform, 5-protection tube, 6-flange, 7-compression sealing platform, 8-first sealing gasket, 9-external thread, 10-thermocouple working end, 11-chamfer, 12-second sealing gasket, 13-fixing hole and 14-locking bolt.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to facilitate the technical solution of the present application, some concepts related to the present application will be described below.
The thermocouple installation position is a position where the thermocouple needs to be fixed.
Referring to fig. 1, the embodiment of the application provides a thermocouple leading-out device, including thermocouple body 1, terminal box 2, binding post 3, installation locking platform 4, protection tube 5, flange 6, compress tightly sealed platform 7, first sealed pad 8, thermocouple working end 10, chamfer 11 and the sealed 12 of second, thermocouple body 1 upper end is provided with terminal box 2, be provided with binding post 3 on the terminal box 2, terminal box 2 below is provided with installation locking platform 4, installation locking platform 4 below is provided with protection tube 5, protection tube 5 lower extreme is provided with thermocouple working end 10, protection tube 5 circumference direction is equipped with flange 6 outward.
In some embodiments, the installation locking table 4 is an external hexagonal installation locking table, and the installation locking table 4 can fix and clamp the thermocouple at the thermocouple installation position by an external hexagonal wrench.
In some embodiments, the flange 6 is slidably connected to the protective tube 5. The flange 6 and the protection tube 5 are designed in a separated mode, the flange 6 can move up and down in the axial direction of the protection tube 5, and the flange 6 is mainly used for carrying out auxiliary fixed installation on the thermocouple.
A second sealing gasket 12 is arranged below the flange 6, a pressing sealing table 7 is arranged below the second sealing gasket 12, a chamfer 11 is arranged at the lower end of the pressing sealing table 7, and a first sealing gasket 8 is arranged below the pressing sealing table 7. The second sealing gasket 12 and the first sealing gasket 8 can be used for double sealing of the thermocouple and the thermocouple installation position, the sealing effect of the thermocouple installation position is improved, the influence of air leakage of the thermocouple installation position on the measurement precision and the measurement result of the thermocouple is further avoided, and the measurement precision and the measurement accuracy of the thermocouple are improved.
In some embodiments, as shown in fig. 2, the thermocouple leading-out device provided in the embodiments of the present application further includes fixing holes 13 and locking bolts 14, four fixing holes 13 are uniformly formed in the flange 6, the locking bolts 14 are respectively disposed in the fixing holes 13, and the fixing of the mounting positions of the flange 6 and the thermocouple is completed through the locking bolts 14.
The lower extreme that compresses tightly seal table 7 is provided with chamfer 11, can avoid the staff when fixing flange 6, compresses tightly seal table 7 fish tail staff, has improved the security of staff when flange 6 is fixed.
In some embodiments, as shown in fig. 1, the diameter of the first seal 8 is smaller than the diameter of the compression seal table 7, the diameter of the second seal 12 is larger than the outer diameter of the flange 6, and both the first seal 8 and the second seal 12 are silicone rubber seals.
In some embodiments, as shown in fig. 1, the thermocouple leading-out device provided by the embodiments of the present application further includes an external thread 9, the external thread 9 is disposed below the first sealing gasket 8, an outer diameter of the external thread 9 is greater than a diameter of the thermocouple working end 10, when a thermocouple is installed, the thermocouple working end 10 can be easily inserted into a mounting hole of a thermocouple installation position, and convenience in installation of the thermocouple is improved.
In some embodiments, the external thread 9 is a fine thread. The external thread 9 can be fixedly connected with the thermocouple and the thermocouple mounting position, the fine thread has a good sealing effect, the external thread 9, the first sealing gasket 8 and the second sealing gasket 12 are arranged simultaneously, the air leakage problem of the thermocouple mounting position is improved through three-layer sealing protection, the sealing effect of the thermocouple mounting position is improved, the influence of air leakage of the thermocouple mounting position on the measurement precision and the measurement result of the thermocouple is further avoided, and the measurement precision and the measurement accuracy of the thermocouple are improved.
The specific implementation process of this embodiment is as follows: when the thermocouple is installed, mounting hole fixed connection who reserves on external screw thread 9 and the thermocouple mounted position, during the connection, can utilize outer hexagonal spanner joint to carry out locking on installation locking platform 4 and fix, external screw thread 9 is fine thread, the hookup location leakproofness is better, in the installation cooperation process of external screw thread 9, compress tightly sealing platform 7 and constantly push down, compress tightly first sealed pad 8, further play sealed effect, the mounting hole that reserves on the thermocouple mounted position and external screw thread 9 and the size specification phase-match that compresses tightly sealing platform 7, it is fixed with flange 6 to recycle locking bolt 14, the sealed pad 12 of second of flange 6 below seals once more, ensure the sealed effect of thermocouple and thermocouple mounted position, flange 6 can be as required selectivity fixed mounting.
As can be seen from the above embodiments, the thermocouple leading-out device provided by the embodiment of the present application includes a thermocouple body, a junction box, a connection terminal, an installation locking table, a protection tube, a flange, a compression sealing table, a first sealing pad, a thermocouple working end, a chamfer and a second sealing pad, wherein the junction box is arranged at the upper end of the thermocouple body, the connection terminal is arranged on the junction box, and the installation locking table is arranged below the junction box; a protection tube is arranged below the mounting and locking platform, a thermocouple working end is arranged at the lower end of the protection tube, and a flange is arranged outside the protection tube in the circumferential direction; the flange below is provided with the sealed pad of second, and the sealed below of filling up of second is provided with and compresses tightly the sealed platform, and the lower extreme that compresses tightly the sealed platform is provided with the chamfer, compresses tightly sealed below of platform and is provided with first sealed pad. The external thread, the first sealing gasket and the second sealing gasket are arranged at the same time, and the air leakage problem of the thermocouple installation position is solved through three-layer sealing protection, so that the sealing effect of the thermocouple installation position is improved, and the influence of the air leakage of the thermocouple installation position on the measurement precision and the measurement result of the thermocouple is further avoided; the thermocouple is doubly fixed through the external threads and the locking bolt, and the risk that the thermocouple falls off is reduced.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (6)
1. A thermocouple lead-out device, comprising: a thermocouple body (1), a junction box (2), a wiring terminal (3), an installation locking platform (4), a protection tube (5), a flange (6), a compression sealing platform (7), a first sealing gasket (8), a thermocouple working end (10), a chamfer (11) and a second sealing gasket (12), wherein,
a junction box (2) is arranged at the upper end of the thermocouple body (1), the junction box (2) is provided with the wiring terminal (3), and the installation locking table (4) is arranged below the junction box (2);
the protection tube (5) is arranged below the mounting and locking platform (4), the thermocouple working end (10) is arranged at the lower end of the protection tube (5), and the flange (6) is arranged outside the protection tube (5) in the circumferential direction;
the flange (6) below is provided with the sealed pad of second (12), the sealed pad of second (12) below is provided with compress tightly sealed platform (7), the lower extreme that compresses tightly sealed platform (7) is provided with chamfer (11), it is provided with to compress tightly sealed platform (7) below first sealed pad (8).
2. The thermocouple leading-out device according to claim 1, further comprising an external thread (9), wherein the external thread (9) is arranged below the first sealing gasket (8), the external diameter of the external thread (9) is larger than the diameter of the thermocouple working end head (10), and the external thread (9) is a fine thread.
3. The thermocouple leading-out device according to claim 1, further comprising fixing holes (13) and locking bolts (14), wherein four fixing holes (13) are uniformly arranged on the flange (6), and the locking bolts (14) are arranged in the fixing holes (13).
4. The thermocouple lead-out device according to claim 1, wherein the diameter of the first sealing gasket (8) is smaller than that of the compression sealing table (7), the diameter of the second sealing gasket (12) is larger than the outer diameter of the flange (6), and the first sealing gasket (8) and the second sealing gasket (12) are both silicone rubber sealing gaskets.
5. Thermocouple lead-out device according to claim 1, characterized in that the flange (6) is in sliding connection with the protective tube (5).
6. Thermocouple lead-out device according to claim 1, characterized in that the mounting and locking stage (4) is a hexagonal mounting and locking stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220425935.4U CN216770820U (en) | 2022-03-01 | 2022-03-01 | Thermocouple leading-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220425935.4U CN216770820U (en) | 2022-03-01 | 2022-03-01 | Thermocouple leading-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770820U true CN216770820U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220425935.4U Active CN216770820U (en) | 2022-03-01 | 2022-03-01 | Thermocouple leading-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216770820U (en) |
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2022
- 2022-03-01 CN CN202220425935.4U patent/CN216770820U/en active Active
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