CN220170374U - Replaceable sleeve type thermocouple - Google Patents
Replaceable sleeve type thermocouple Download PDFInfo
- Publication number
- CN220170374U CN220170374U CN202321487133.7U CN202321487133U CN220170374U CN 220170374 U CN220170374 U CN 220170374U CN 202321487133 U CN202321487133 U CN 202321487133U CN 220170374 U CN220170374 U CN 220170374U
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- China
- Prior art keywords
- tube
- stainless steel
- corundum
- thermocouple
- mounting
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- 229910052593 corundum Inorganic materials 0.000 claims abstract description 54
- 239000010431 corundum Substances 0.000 claims abstract description 54
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 50
- 239000010935 stainless steel Substances 0.000 claims abstract description 50
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model provides a replaceable sleeve type thermocouple, which relates to the technical field of thermocouples and comprises a corundum tube and a stainless steel connecting tube, wherein a first connecting assembly is arranged on one side of a corundum tube body, a second connecting assembly is arranged at one end of the stainless steel connecting tube, and the corundum tube is connected with the stainless steel connecting tube through the first connecting assembly and the second connecting assembly. According to the utility model, a worker inserts one end of the corundum tube into the stainless steel connecting tube, then the worker uses the first connecting assembly and the second connecting assembly to fixedly mount the stainless steel connecting tube together, when the corundum tube needs to be replaced, the worker breaks away the first connecting assembly from the second connecting assembly, and then the worker pulls out the corundum tube from the stainless steel connecting tube, so that the worker can quickly replace the damaged corundum tube, the whole thermocouple does not need to be replaced, and the maintenance cost is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of thermocouples, in particular to a replaceable sleeve type thermocouple.
Background
Thermocouples are commonly used temperature measuring elements in temperature measuring instruments, which directly measure temperature and convert temperature signals into thermoelectromotive signals, which are converted into the temperature of the medium to be measured by an electrical instrument (secondary instrument). In the thermocouple, the corundum tube is a fragile product, and the traditional thermocouple manufacturing method is that the corundum tube and the stainless steel connecting tube are fixed through viscose, and cannot be separated after solidification, so that after the corundum tube is damaged, workers cannot replace the corundum tube, the whole thermocouple needs to be replaced, and the maintenance cost is greatly increased.
Disclosure of Invention
The utility model mainly aims to provide a replaceable sleeve type thermocouple which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the replaceable sleeve type thermocouple comprises a corundum pipe and a stainless steel connecting pipe, wherein a first connecting component is arranged on one side of the body of the corundum pipe, a second connecting component is arranged at one end of the stainless steel connecting pipe, and the corundum pipe is connected with the stainless steel connecting pipe through the first connecting component and the second connecting component;
a sealing device is fixedly arranged at the other end of the stainless steel connecting pipe, and a large flat plug is arranged at one end of the sealing device;
the corundum insulating core is arranged in the corundum tube, and a thermocouple wire is arranged at one end of the corundum insulating core.
Preferably, the first connecting component comprises a screw cap which is arranged on one side of the corundum tube body in a sliding manner;
and a stainless steel compression ring is sleeved on one side of the corundum tube body close to the screw cap.
Preferably, the second connection assembly comprises a compression bolt.
Preferably, two rubber O-shaped rings are arranged in the compression bolt, and a check ring is arranged in the compression bolt and between the two rubber O-shaped rings.
Preferably, a rubber ring is arranged in the nut.
Preferably, a mounting hole is formed in the surface of one side of the inner wall of the nut in a penetrating manner, two slots are formed in the surface of the inner wall of the mounting hole, mounting columns are slidably arranged in the two mounting holes, and one ends of the two mounting columns are fixedly connected with the rubber ring;
the surface of the other end of each mounting column is provided with a mounting groove, the surfaces of the two sides of the inner wall of each mounting groove are respectively and penetratingly provided with an avoidance groove, two mounting rods are fixedly arranged between the two sides of the inner wall of each mounting groove, two sides of each two adjacent mounting rod bodies are respectively and jointly provided with a moving block in a sliding manner, one sides, far away from each other, of each two adjacent moving blocks are respectively and fixedly provided with an insertion block, each insertion block respectively penetrates through the corresponding avoidance groove and is in penetrating fit with the corresponding insertion groove, and one side, far away from the stainless steel connecting pipe, of each moving block is fixedly provided with a pressing block;
preferably, an elastic piece capable of compressing and resetting is sleeved at the middle part of each installation rod body.
The elastic piece is a spring
Compared with the prior art, the utility model has the following beneficial effects:
(1) The staff is through inserting corundum pipe one end in the stainless steel connecting pipe, and then the staff uses first coupling assembling and second coupling assembling to be in the same place stainless steel connecting pipe fixed mounting, when needs change the corundum pipe, the staff breaks away from first coupling assembling and second coupling assembling, and then the staff pulls out the corundum pipe from the stainless steel connecting pipe to make the staff can carry out quick replacement to the corundum pipe of damage fast, need not change whole thermocouple, greatly reduced cost of maintenance.
(2) Through setting up the rubber circle for when nut screw in hold-down bolt, stainless steel clamping ring one end can touch with the rubber circle, thereby make the wearing and tearing that stainless steel clamping ring one end received can significantly reduce, the staff is through pressing the piece, make two movable blocks follow the installation pole relative movement, make the spring compression, the inserted block removes to the slot outside, the staff removes the erection column afterwards, make it break away from the mounting hole, thereby make things convenient for the staff to dismantle the rubber circle, and then make things convenient for the staff to change the rubber circle.
Drawings
FIG. 1 is a schematic view showing the overall structure of an alternative sleeve thermocouple according to the present utility model;
FIG. 2 is a schematic top view of an alternative sleeved thermocouple of the present utility model;
FIG. 3 is a schematic cross-sectional view of the alternative tube-in-tube thermocouple of the present utility model at A-A in FIG. 2;
FIG. 4 is a schematic view showing a cross-sectional structure of the alternative tube-in-tube thermocouple of the present utility model at B-B in FIG. 2;
FIG. 5 is an enlarged schematic view of the structure of the alternative tube-in-tube thermocouple of the present utility model at A in FIG. 3;
FIG. 6 is an enlarged schematic view of the structure of the alternative tube-in-tube thermocouple of the present utility model at B in FIG. 3;
fig. 7 is an enlarged schematic view of the structure of fig. 4C of the alternative tube-in-tube thermocouple of the present utility model.
In the figure: 1. a corundum tube; 2. a stainless steel connecting pipe; 3. a first connection assembly; 301. a screw cap; 302. stainless steel compression rings; 4. a second connection assembly; 401. a compression bolt; 402. rubber O-rings; 403. a retainer ring; 5. a sealing device; 6. a large flat plug; 7. a corundum insulating core; 8. thermocouple wires; 9. a rubber ring; 901. a mounting hole; 902. a slot; 9021. a mounting column; 903. a mounting groove; 904. a mounting rod; 905. a moving block; 906. inserting blocks; 907. pressing blocks; 908. an elastic member.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-7, an embodiment of the utility model provides a replaceable sleeve thermocouple, which comprises a corundum tube 1 and a stainless steel connecting tube 2, wherein a first connecting assembly 3 is arranged on one side of the tube body of the corundum tube 1, a second connecting assembly 4 is arranged at one end of the stainless steel connecting tube 2, and the corundum tube 1 is connected with the stainless steel connecting tube 2 through the first connecting assembly 3 and the second connecting assembly 4;
a sealing device 5 is fixedly arranged at the other end of the stainless steel connecting pipe 2, and a large flat plug 6 is arranged at one end of the sealing device 5;
the corundum tube 1 is internally provided with a corundum insulating core 7, and one end of the corundum insulating core 7 is provided with a thermocouple wire 8.
The staff inserts corundum tube 1 one end in the stainless steel connecting pipe 2, and then the staff uses first coupling assembling 3 and second coupling assembling 4 to be in the same place stainless steel connecting pipe 2 fixed mounting, when needs change corundum tube 1, the staff breaks away from first coupling assembling 3 and second coupling assembling 4, and then the staff pulls out corundum tube 1 from stainless steel connecting pipe 2 to make the staff can carry out quick replacement to the corundum tube 1 of damage, need not change whole thermocouple, greatly reduced cost of maintenance.
As shown in fig. 1 and 3, in another embodiment of the present utility model, the first connecting component 3 includes a nut 301, where the nut 301 is slidably disposed on one side of the body of the corundum tube 1;
a stainless steel compression ring 302 is sleeved on one side of the corundum tube 1 body close to the screw cap 301;
the second connection assembly 4 comprises a compression bolt 401.
After the worker inserts one end of the corundum tube 1 into the stainless steel connecting tube 2, the worker moves the nut 301 to move to the position of the compression bolt 401, then the worker screws the nut 301 to move along the compression bolt 401 in a threaded screwing mode when rotating, the nut 301 pushes the stainless steel pressing ring 302 to move on one side of the inner wall of the nut 301 in the moving process, and finally the stainless steel pressing ring 302 is compressed, so that the corundum tube 1 and the stainless steel connecting tube 2 are fixed.
In another embodiment of the present utility model, as shown in fig. 1, 3, 5 and 7, two rubber O-rings 402 are installed in the compression bolt 401, and a retainer ring 403 is installed in the compression bolt 401 and between the two rubber O-rings 402.
After the screw cap 301 is screwed into the compression bolt 401 to push the stainless steel compression ring 302 to move, one end of the stainless steel compression ring 302 pushes the rubber O-shaped ring 402 and the check ring 403, so that the deformation of the stainless steel compression ring compresses the corundum tube 1, and the fixing effect is enhanced.
In another embodiment of the utility model, a rubber ring 9 is provided in the nut 301.
The surface of one side of the inner wall of the nut 301 is penetrated and provided with a mounting hole 901, the surface of the inner wall of the mounting hole 901 is provided with two slots 902, mounting columns 9021 are arranged in the two mounting holes 901 in a sliding manner, and one ends of the two mounting columns 9021 are fixedly connected with the rubber ring 9;
the other end surfaces of the two mounting posts 9021 are provided with mounting grooves 903, the surfaces of two sides of the inner walls of the two mounting grooves 903 are respectively and penetratingly provided with avoiding grooves, two mounting rods 904 are respectively and fixedly arranged between the two sides of the inner walls of the two mounting grooves 903, two sides of each rod body of each two adjacent mounting rods 904 are respectively and jointly provided with a movable block 905 in a sliding manner, one side, away from each other, of each two adjacent movable blocks 905 is fixedly provided with an inserting block 906, and each inserting block 906 respectively passes through the corresponding avoiding groove and is in penetrating fit with the corresponding inserting groove 902, and one side, away from the stainless steel connecting pipe 2, of each movable block 905 is fixedly provided with a pressing block 907;
an elastic piece 908 capable of being compressed and reset is sleeved at the middle part of the rod body of each mounting rod 904;
the elastic member 908 is a spring.
Through setting up rubber circle 9 for when nut 301 screw in clamp bolt 401, stainless steel clamping ring 302 one end can touch with rubber circle 9, thereby the wearing and tearing that make stainless steel clamping ring 302 one end receive can significantly reduce, the staff is through pressing down the piece 907, make two movable blocks 905 follow installation pole 904 relative movement, make the spring compress, insert block 906 moves to slot 902 outside, the staff removes erection column 9021 afterwards, make it break away from in the mounting hole 901, make things convenient for the staff to dismantle rubber circle 9, and then make things convenient for the staff to change rubber circle 9.
The working principle of the replaceable sleeve type thermocouple is as follows:
during the use, the staff inserts corundum tube 1 one end in stainless steel connecting pipe 2, after the staff inserts corundum tube 1 one end in stainless steel connecting pipe 2, the staff removes nut 301, make it remove to hold-down bolt 401 position, then the staff twists nut 301, make it follow hold-down bolt 401 when rotating through the mode of screw thread precession and remove, nut 301 is in the removal in-process, its inner wall one side can promote stainless steel clamping ring 302 and remove, compress tightly stainless steel clamping ring 302 at last, and then fix between corundum tube 1 and the stainless steel connecting pipe 2, when needs change corundum tube 1, the staff dismantles nut 301, then the staff pulls out corundum tube 1 from stainless steel connecting pipe 2, thereby make the staff can carry out quick change to the corundum tube 1 that damages, need not change whole thermocouples, maintenance cost has been significantly reduced.
It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.
Claims (7)
1. The replaceable sleeve type thermocouple comprises a corundum tube (1) and a stainless steel connecting tube (2), and is characterized in that: a first connecting component (3) is arranged on one side of the corundum tube (1) body, a second connecting component (4) is arranged at one end of the stainless steel connecting tube (2), and the corundum tube (1) is connected with the stainless steel connecting tube (2) through the first connecting component (3) and the second connecting component (4);
a sealing device (5) is fixedly arranged at the other end of the stainless steel connecting pipe (2), and a large flat plug (6) is arranged at one end of the sealing device (5);
the corundum tube (1) is internally provided with a corundum insulating core (7), and one end of the corundum insulating core (7) is provided with a thermocouple wire (8).
2. The replaceable sleeved thermocouple of claim 1, wherein: the first connecting component (3) comprises a screw cap (301), and the screw cap (301) is arranged on one side of the pipe body of the corundum pipe (1) in a sliding manner;
a stainless steel compression ring (302) is sleeved on one side, close to the screw cap (301), of the corundum tube (1).
3. The replaceable sleeved thermocouple of claim 2, wherein: the second connection assembly (4) comprises a compression bolt (401).
4. A replaceable sleeved thermocouple according to claim 3, wherein: two rubber O-shaped rings (402) are arranged in the compression bolt (401), and a check ring (403) is arranged in the compression bolt (401) and between the two rubber O-shaped rings (402).
5. The replaceable sleeved thermocouple of claim 2, wherein: a rubber ring (9) is arranged in the nut (301).
6. The replaceable sleeved thermocouple of claim 5, wherein: the nut is characterized in that a mounting hole (901) is formed in the surface of one side of the inner wall of the nut (301) in a penetrating mode, two slots (902) are formed in the surface of the inner wall of the mounting hole (901), mounting columns (9021) are arranged in the two mounting holes (901) in a sliding mode, and one ends of the two mounting columns (9021) are fixedly connected with the rubber ring (9);
the surface of the other end of each mounting column (9021) is provided with a mounting groove (903), the surfaces of the two sides of the inner wall of each mounting groove (903) are respectively and penetratingly provided with an avoidance groove, two mounting rods (904) are fixedly arranged between the two sides of the inner wall of each mounting groove (903), each two adjacent mounting rods (904) are respectively and slidingly provided with a moving block (905), one side, away from each other, of each two adjacent moving blocks (905) is fixedly provided with an insertion block (906), each insertion block (906) respectively penetrates through the corresponding avoidance groove and is in penetrating fit with the corresponding insertion groove (902), and one side, away from the stainless steel connecting pipe (2), of each moving block (905) is fixedly provided with a pressing block (907);
an elastic piece (908) capable of being compressed and reset is sleeved at the middle part of the rod body of each mounting rod (904).
7. The replaceable sleeved thermocouple of claim 6, wherein: the elastic member (908) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321487133.7U CN220170374U (en) | 2023-06-12 | 2023-06-12 | Replaceable sleeve type thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321487133.7U CN220170374U (en) | 2023-06-12 | 2023-06-12 | Replaceable sleeve type thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170374U true CN220170374U (en) | 2023-12-12 |
Family
ID=89054307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321487133.7U Active CN220170374U (en) | 2023-06-12 | 2023-06-12 | Replaceable sleeve type thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170374U (en) |
-
2023
- 2023-06-12 CN CN202321487133.7U patent/CN220170374U/en active Active
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