Thermocouple sealing installation structure

By designing the thermocouple sealing installation structure and using sealing rings and gaskets for sealing and anti-oxidation treatment, the problems of poor sealing and oxidation corrosion in the prior art are solved, and the convenience and applicability of installation are improved.

CN222598984UActive Publication Date: 2025-03-11JIANGYOU KEXING INSTRUMENT CO LTD
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Patent Information

Application Number
CN202421151915.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-03-11
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing thermocouple installation and fastening device does not involve sealing during installation, resulting in poor sealing and oxidative rust at the connection during long-term use, affecting disassembly, replacement and maintenance.

Method used

A thermocouple sealing installation structure is designed, including mounting bosses and connecting seats, sealing the connections through sealing rings, and anti-oxidation sealing treatment is performed on the connections through a sealing gasket after installation is completed.

Benefits of technology

It realizes sealing the thermocouple installation position to prevent oxidation and rust, improves installation convenience and applicability, and facilitates later disassembly, replacement and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thermocouple sealing installation structure, which belongs to the technical field of thermocouple installation and comprises an installation boss and a thermocouple body, a connecting seat is fixedly installed on the surface of the thermocouple body, and the surface of the connecting seat is in threaded connection with the top of an inner cavity of the installation boss. A sealing assembly used for conducting sealing treatment on the connecting position of the connecting base and the installation boss is arranged between the connecting base and the installation boss. According to the utility model, through the arrangement of the installation boss, the installation boss is welded on equipment, the thermocouple body is installed and fixed on the installation boss through the connecting seat, and the sealing ring is arranged between the connecting seat and the installation boss, so that the connection part between the connecting seat and the installation boss can be sealed, and after the installation is completed, the thermocouple body is fixed on the installation boss through the sealing ring. And anti-oxidation sealing treatment is carried out on the connecting position between the connecting base and the mounting boss through the sealing gasket, so that the situation that the connecting position is exposed to the outside for a long time, is corroded due to oxidation and is not easy to disassemble, overhaul and maintain in the later period is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of thermocouple installation, in particular to a thermocouple sealing installation structure. Background Art

[0002] Thermocouples are commonly used temperature measuring elements in temperature measuring instruments. They directly measure temperature and convert temperature signals into thermoelectric potential signals, which are then converted into the temperature of the measured medium through electrical instruments. The appearance of various thermocouples is often very different due to needs, but their basic structure is roughly the same. They are usually composed of main parts such as thermode, insulating sleeve protection tube and junction box, and are usually used in conjunction with display instruments, recording instruments and electronic regulators.

[0003] A Chinese patent with a publication (publication) number of CN219142041U discloses a thermocouple installation and fastening device, which belongs to the technical field of thermocouple installation auxiliary devices. It aims at the problem that it is difficult to meet the use requirements for the vertical installation of thermocouples in different installation environments. The device comprises an L-shaped mounting frame, a positioning groove is provided on the bottom side wall of the L-shaped mounting frame, a rotating plate rotatably connected to the side wall of the L-shaped mounting frame is arranged above the positioning groove, and a positioning collar connected and fixed to the bottom surface of the rotating plate is arranged above the L-shaped mounting frame; the utility model can switch and lock the rotating plate and the top side wall of the L-shaped mounting frame in two states of vertical parallel or vertical by rotating and adjusting the rotating rod, and preliminarily position the thermocouple through the positioning collar on the rotating plate, and through the locking and positioning of the positioning bolt and the threaded hole, the thermocouple and the L-shaped mounting frame can be fastened and installed in two states of parallel or vertical, effectively improving the convenience and applicability of installing the thermocouple.

[0004] The thermocouple installation and fastening device involved in the above patent still has some obvious shortcomings in actual use. The device does not involve sealing during installation, and there are some poor sealing problems. In addition, during long-term use, oxidation and rust problems will occur at the connection. In the long run, it is not convenient to disassemble, replace and repair it. Therefore, we need to propose a thermocouple sealing installation structure. Utility Model Content

[0005] The purpose of the utility model is to provide a thermocouple sealing installation structure, which has the advantages of being able to seal the installation position of the thermocouple and at the same time perform anti-oxidation sealing treatment on the installation position to prevent oxidation and rust due to long-term use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a thermocouple sealing installation structure, including a mounting boss and a connecting seat, the connecting seat is fixedly installed on the surface of the thermocouple, the surface of the connecting seat is threadedly connected to the top of the inner cavity of the mounting boss, a sealing component for sealing the connection between the connecting seat and the mounting boss is arranged between the connecting seat and the mounting boss, the connecting seat and the mounting boss are sealed and installed by the sealing component, both sides of the connecting seat and the mounting boss are fitted with sealing gaskets for anti-oxidation sealing treatment of the connection, a positioning component is arranged on the outside of the sealing gasket, and the sealing gasket is fixed to the connection between the connecting seat and the mounting boss through the positioning component.

[0007] Preferably, the sealing assembly includes a sealing ring arranged at the top of the inner cavity of the mounting boss, a rotating ring is fixedly installed at the bottom of the sealing ring, a rotating assembly is arranged between the bottom of the rotating ring and the inner cavity of the mounting boss, the rotating ring is rotatably installed in the inner cavity of the mounting boss through the rotating assembly, and the top of the sealing ring is in contact with the bottom of the connecting seat.

[0008] Preferably, the rotating assembly includes a T-shaped rotating ring fixedly mounted on the bottom of the rotating circle, the inner wall of the mounting boss is provided with a rotating groove adapted to the T-shaped rotating ring, and the surface of the T-shaped rotating ring is slidably connected to the inner wall of the rotating groove.

[0009] Preferably, the positioning assembly includes a first positioning shell and a second positioning shell respectively arranged on both sides of the sealing gasket, one side of the first positioning shell and the second positioning shell is movably installed through a hinge assembly, and the other side of the first positioning shell and the second positioning shell is installed and fixed together through a connecting assembly.

[0010] Preferably, the hinge assembly includes a fixing seat fixedly mounted on the upper and lower ends of one side of the first positioning shell, a hinge shaft is rotatably mounted on the inner side of the two groups of the fixing seats, a hinge seat is fixedly mounted on one side of the second positioning shell, a hinge hole matching the hinge shaft is opened on the surface of the hinge seat, and the inner wall of the hinge hole is rotatably mounted on the surface of the hinge shaft.

[0011] Preferably, the connecting assembly includes a first connecting plate fixedly mounted on one side of the first positioning shell, a second connecting plate fixedly mounted on one side of the second positioning shell, connecting holes are provided on the surfaces of the first connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are locked and fixed together by a locking assembly.

[0012] Preferably, the locking assembly includes a locking rod arranged on one side of the second connecting plate, one end of the locking rod passes through the connecting holes on the surfaces of the second connecting plate and the first connecting plate in sequence and extends to the external thread of the first connecting plate and is connected to a locking nut, and one side of the locking nut is in contact with the surface of the first connecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides an installation boss, which is welded to the equipment, and the thermocouple is fixed on the installation boss via a connecting seat, a sealing ring is provided between the connecting seat and the installation boss, and a sealing treatment can be performed on the connection between the connecting seat and the installation boss. After the installation is completed, an anti-oxidation sealing treatment is performed on the connection between the connecting seat and the installation boss via a sealing gasket, so as to prevent the connection from being exposed to the outside for a long time and being rusted due to oxidation, which makes it difficult to disassemble and overhaul it in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the sealing gasket of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the connection seat and the mounting boss of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the rotating assembly of the utility model;

[0019] Figure 5 It is a schematic diagram of the disassembled structure of the positioning component of the utility model.

[0020] In the figure: 1. mounting boss; 2. thermocouple; 3. connecting seat; 4. sealing gasket; 5. sealing ring; 6. rotating ring; 7. T-shaped rotating ring; 8. rotating groove; 9. first positioning shell; 10. second positioning shell; 11. fixing seat; 12. hinge shaft; 13. hinge seat; 14. hinge hole; 15. first connecting plate; 16. second connecting plate; 17. connecting hole; 18. locking rod; 19. locking nut. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5The utility model provides a thermocouple sealing installation structure, including a mounting boss 1 and a connecting seat 3, the connecting seat 3 is fixedly installed on the surface of the thermocouple 2, the surface of the connecting seat 3 is threadedly connected to the top of the inner cavity of the mounting boss 1, a sealing component for sealing the connection between the connecting seat 3 and the mounting boss 1 is arranged, the connecting seat 3 and the mounting boss 1 are sealed and installed through the sealing component, and the sealing component includes a sealing ring 5 arranged on the top of the inner cavity of the mounting boss 1.

[0023] In this embodiment, the mounting boss 1 is installed on the device by welding. After the mounting boss 1 is installed on the device, the user can install the thermocouple 2 on the top of the mounting boss 1 by twisting the connecting seat 3, and a sealing ring 5 is provided between the connecting seat 3 and the mounting boss 1, so that the connection between the connecting seat 3 and the mounting boss 1 can be sealed.

[0024] Preferably, a rotating ring 6 is fixedly installed at the bottom of the sealing ring 5, and a rotating assembly is arranged between the bottom of the rotating ring 6 and the inner cavity of the mounting boss 1. The rotating ring 6 is rotatably installed in the inner cavity of the mounting boss 1 through the rotating assembly, and the top of the sealing ring 5 is fitted with the bottom of the connecting seat 3. The rotating assembly includes a T-shaped rotating ring 7 fixedly installed at the bottom of the rotating ring 6, and the inner wall of the mounting boss 1 is provided with a rotating groove 8 matched with the T-shaped rotating ring 7, and the surface of the T-shaped rotating ring 7 is slidably connected to the inner wall of the rotating groove 8.

[0025] Through the setting of the rotating component, when the connecting seat 3 is screwed, the connecting seat 3 will be screwed into the inside of the mounting boss 1. When the bottom of the connecting seat 3 contacts the sealing ring 5, the sealing ring 5 will be driven to rotate. The rotation of the sealing ring 5 will drive the T-shaped rotating ring 7 to rotate in the inner cavity of the rotating groove 8 through the rotating ring 6, thereby preventing the sealing ring 5 from being deformed when the connecting seat 3 is screwed in.

[0026] Among them, both sides of the connecting seat 3 and the mounting boss 1 are fitted with sealing gaskets 4 for anti-oxidation sealing treatment of the connection. Through the setting of the sealing gasket 4, after the connecting seat 3 and the mounting boss 1 are installed together, the user can install the sealing gasket 4 at the connection between the connecting seat 3 and the mounting boss 1 through the positioning component to seal the connection and prevent it from being exposed to the outside for a long time and causing oxidation and rust.

[0027] It is worth noting that a positioning assembly is provided on the outside of the sealing gasket 4, and the sealing gasket 4 is installed and fixed at the connection between the connecting seat 3 and the mounting boss 1 through the positioning assembly. The positioning assembly includes a first positioning shell 9 and a second positioning shell 10 respectively arranged on both sides of the sealing gasket 4, and one side of the first positioning shell 9 and the second positioning shell 10 is movably installed through a hinge assembly, and the hinge assembly includes a fixed seat 11 fixedly installed on the upper and lower ends of one side of the first positioning shell 9, and a hinge shaft 12 is rotatably installed on the inner side of the two groups of fixed seats 11, and a hinge seat 13 is fixedly installed on one side of the second positioning shell 10, and a hinge hole 14 adapted to the hinge shaft 12 is opened on the surface of the hinge seat 13, and the inner wall of the hinge hole 14 is rotatably installed with the surface of the hinge shaft 12. The first positioning shell 9 and the first positioning shell 9 are fixedly installed with the hinge shaft 12. The other sides of the two positioning shells 10 are installed and fixed together through a connecting assembly, which includes a first connecting plate 15 fixedly installed on one side of the first positioning shell 9, and a second connecting plate 16 fixedly installed on one side of the second positioning shell 10. The surfaces of the first connecting plate 15 and the second connecting plate 16 are both provided with connecting holes 17. The first connecting plate 15 and the second connecting plate 16 are locked and fixed together by a locking assembly, and the locking assembly includes a locking rod 18 provided on one side of the second connecting plate 16, one end of the locking rod 18 passes through the connecting holes 17 on the surfaces of the second connecting plate 16 and the first connecting plate 15 in sequence and extends to the external thread of the first connecting plate 15 and is connected with a locking nut 19, and one side of the locking nut 19 is in contact with the surface of the first connecting plate 15.

[0028] By setting the positioning component, the sealing gasket 4 can be fixed at the connection between the connecting seat 3 and the mounting boss 1. Specifically, the user can rotate the first positioning shell 9 and the second positioning shell 10 so that the first connecting plate 15 and the second connecting plate 16 fit together. At this time, the user can insert one end of the locking rod 18 into the connecting holes 17 on the surfaces of the second connecting plate 16 and the first connecting plate 15 in sequence, and then the user can tighten the locking nut 19 at one end of the locking rod 18 to lock and fix the first connecting plate 15 and the second connecting plate 16 together, so that the first positioning shell 9 and the second positioning shell 10 fix the sealing gasket 4 at the connection between the connecting seat 3 and the mounting boss 1.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermocouple sealing installation structure, comprising a mounting boss (1) and a connecting seat (3), wherein the connecting seat (3) is fixedly mounted on the surface of the thermocouple (2), and the surface of the connecting seat (3) is threadedly connected to the top of the inner cavity of the mounting boss (1), characterized in that: A sealing component for sealing the connection between the connection seat (3) and the mounting boss (1) is provided, and the connection seat (3) and the mounting boss (1) are sealed and installed via the sealing component. Sealing gaskets (4) for anti-oxidation sealing of the connection are fitted on both sides of the connection seat (3) and the mounting boss (1), and a positioning component is provided on the outside of the sealing gasket (4). The sealing gasket (4) is fixed to the connection between the connection seat (3) and the mounting boss (1) via the positioning component.

2. A thermocouple sealing installation structure according to claim 1, characterized in that: The sealing assembly comprises a sealing ring (5) arranged at the top of the inner cavity of the mounting boss (1); a rotating ring (6) is fixedly mounted at the bottom of the sealing ring (5); a rotating assembly is arranged between the bottom of the rotating ring (6) and the inner cavity of the mounting boss (1); the rotating ring (6) is rotatably mounted in the inner cavity of the mounting boss (1) via the rotating assembly; and the top of the sealing ring (5) is in contact with the bottom of the connecting seat (3).

3. A thermocouple sealing installation structure according to claim 2, characterized in that: The rotating assembly comprises a T-shaped rotating ring (7) fixedly mounted on the bottom of the rotating circle (6); the inner wall of the mounting boss (1) is provided with a rotating groove (8) matched with the T-shaped rotating ring (7); the surface of the T-shaped rotating ring (7) is slidably connected to the inner wall of the rotating groove (8).

4. A thermocouple sealing installation structure according to claim 1, characterized in that: The positioning assembly comprises a first positioning shell (9) and a second positioning shell (10) respectively arranged on both sides of the sealing gasket (4); one side of the first positioning shell (9) and the second positioning shell (10) are movably installed through a hinge assembly, and the other side of the first positioning shell (9) and the second positioning shell (10) are installed and fixed together through a connecting assembly.

5. A thermocouple sealing installation structure according to claim 4, characterized in that: The hinge assembly comprises a fixing seat (11) fixedly mounted on the upper and lower ends of one side of the first positioning shell (9), a hinge shaft (12) being rotatably mounted on the inner sides of the two groups of fixing seats (11), a hinge seat (13) being fixedly mounted on one side of the second positioning shell (10), a hinge hole (14) matching the hinge shaft (12) being provided on the surface of the hinge seat (13), and an inner wall of the hinge hole (14) being rotatably mounted on the surface of the hinge shaft (12).

6. A thermocouple sealing installation structure according to claim 4, characterized in that: The connection assembly comprises a first connection plate (15) fixedly mounted on one side of the first positioning shell (9), a second connection plate (16) fixedly mounted on one side of the second positioning shell (10), connection holes (17) being provided on the surfaces of the first connection plate (15) and the second connection plate (16), and the first connection plate (15) and the second connection plate (16) being locked and fixed together by a locking assembly.

7. A thermocouple sealing installation structure according to claim 6, characterized in that: The locking assembly comprises a locking rod (18) arranged on one side of the second connecting plate (16), one end of the locking rod (18) passes through the connecting holes (17) on the surfaces of the second connecting plate (16) and the first connecting plate (15) in sequence and extends to the external thread of the first connecting plate (15) and is connected to a locking nut (19), one side of the locking nut (19) is in contact with the surface of the first connecting plate (15).

Citation Information

Patent Citations

  • Thermocouple installation fastening device

    CN219142041U