CN210180552U - Thermocouple with conveniently replaced accessory - Google Patents
Thermocouple with conveniently replaced accessory Download PDFInfo
- Publication number
- CN210180552U CN210180552U CN201921129419.1U CN201921129419U CN210180552U CN 210180552 U CN210180552 U CN 210180552U CN 201921129419 U CN201921129419 U CN 201921129419U CN 210180552 U CN210180552 U CN 210180552U
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- China
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- thermocouple
- fixedly connected
- fastening nut
- junction box
- accessory
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- Expired - Fee Related
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Abstract
The utility model discloses a conveniently change thermocouple of accessory, the junction box comprises a junction box body, terminal box upper end threaded connection has the upper cover, terminal box lower extreme fixedly connected with wiring mouth, the terminal box right-hand member is through first bolt fixedly connected with detachable insulating casing. This conveniently change thermocouple of accessory, wholly adopt the detachable design, fall into two parts with the thermocouple through first bolt, be convenient for change and maintain the inside accessory of thermocouple, insulating casing dismantles the back, the inside part is whole to be exposed outside, be convenient for change the operation, fall the accessory of damage through the replacement, reduce the use cost of thermocouple, improve the life of thermocouple, fastening nut passes through the second bolt and is connected with insulating casing, fastening nut's of being convenient for dismantlement, when avoiding changing the accessory, fastening nut influences the operation of hand and instrument, improve the practicality of thermocouple, improve the convenience of dismantling.
Description
Technical Field
The utility model relates to a thermocouple technical field specifically is a conveniently change thermocouple of accessory.
Background
The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument and generally comprises a thermode, an insulating sleeve protection tube, a junction box and other main parts.
In the industrial production process, the temperature is one of important parameters needing to be measured and controlled, in the temperature measurement, the thermocouple is extremely widely applied, and has the advantages of simple structure, convenience in manufacturing, wide measurement range, high precision, small inertia, convenience in remote transmission of output signals and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conveniently change thermocouple of accessory to propose the thermocouple generally for sealed design among the above-mentioned background art of solution, the problem of inconvenient maintenance and change after the inside spare part of thermocouple damages.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveniently change thermocouple of accessory, includes the terminal box, threaded connection has the upper cover on the terminal box, terminal box lower extreme fixedly connected with wiring mouth, the terminal box right-hand member is through first bolt fixedly connected with detachable insulating casing.
Preferably, the upper cover is fixedly connected with a circular ring, a connecting rope is fixedly connected between the circular ring and the junction box, first threaded holes which are symmetrically arranged are formed in the right end of the junction box, second threaded holes corresponding to the first threaded holes are formed in the left end of the insulating shell, and first bolts are connected with the first threaded holes and the second threaded holes in an inner threaded mode.
Preferably, the outer side of the insulating shell is movably connected with a fastening nut, the left end of the fastening nut is of a regular hexagon structure, threads are arranged on the outer side of the right end of the fastening nut, third threaded holes which are symmetrically arranged are formed in the insulating shell, fourth threaded holes which are symmetrical in the front and back are formed in the fastening nut, and second bolts are connected to the third threaded holes and the fourth threaded holes in an inner threaded mode.
Preferably, the insulating shell is fixedly connected with a positive thermocouple lead and a negative thermocouple lead sequentially from top to bottom.
Preferably, the positive thermocouple lead and the negative thermocouple lead are fixedly connected with insulating tubes which are distributed at equal intervals.
Preferably, the right ends of the positive thermocouple lead and the negative thermocouple lead are connected through a hot end.
Compared with the prior art, the beneficial effects of the utility model are that: this conveniently change thermocouple of accessory, wholly adopt the detachable design, fall into two parts with the thermocouple through first bolt, be convenient for change and maintain the inside accessory of thermocouple, insulating casing dismantles the back, the inside part is whole to be exposed outside, be convenient for change the operation, fall the accessory of damage through the replacement, reduce the use cost of thermocouple, improve the life of thermocouple, fastening nut passes through the second bolt and is connected with insulating casing, fastening nut's of being convenient for dismantlement, when avoiding changing the accessory, fastening nut influences the operation of hand and instrument, improve the practicality of thermocouple, improve the convenience of dismantling.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1. a junction box; 2. an upper cover; 3. a wiring port; 4. a first bolt; 5. an insulating housing; 6. a circular ring; 7. connecting ropes; 8. a first threaded hole; 9. a second threaded hole; 10. fastening a nut; 11. a third threaded hole; 12. a fourth threaded hole; 13. a second bolt; 14. a positive thermocouple wire; 15. a negative thermocouple wire; 16. an insulating tube; 17. a hot end.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a thermocouple convenient for replacing accessories comprises a junction box 1, an upper cover 2, a wiring port 3, a first bolt 4, an insulating shell 5, a circular ring 6, a connecting rope 7, a first threaded hole 8, a second threaded hole 9, a fastening nut 10, a third threaded hole 11, a fourth threaded hole 12, a second bolt 13, a positive thermocouple wire 14, a negative thermocouple wire 15, an insulating tube 16 and a hot end 17, wherein the upper end of the junction box 1 is in threaded connection with the upper cover 2, the lower end of the junction box 1 is fixedly connected with the wiring port 3, and the right end of the junction box 1 is fixedly connected with the detachable insulating shell 5 through the first bolt 4;
furthermore, the upper end of the upper cover 2 is fixedly connected with a circular ring 6, a connecting rope 7 is fixedly connected between the circular ring 6 and the junction box 1, the right end of the junction box 1 is provided with first threaded holes 8 which are symmetrically arranged, the left end of the insulating shell 5 is provided with a second threaded hole 9 corresponding to the first threaded hole 8, the first threaded hole 8 and the second threaded hole 9 are in internal threaded connection with a first bolt 4, and the upper cover 2 is taken down to ensure the connection between the upper cover 2 and the junction box 1 through the matching use of the circular ring 6, the junction box 1 and the connecting rope 7, so that the thermocouple cannot be used due to the loss of the upper cover 2 is avoided;
furthermore, a fastening nut 10 is movably connected to the outer side of the insulating shell 5, the left end of the fastening nut 10 is of a regular hexagon structure, threads are arranged on the outer side of the right end of the fastening nut 10, third threaded holes 11 which are symmetrically arranged are formed in the insulating shell 5, fourth threaded holes 12 which are symmetrical in the front and back are formed in the fastening nut 10, second bolts 13 are connected to the third threaded holes 11 and the fourth threaded holes 12 in an internal thread mode, installation of a thermocouple is facilitated through the fastening nut 10, the fastening nut 10 can be separated from the insulating shell 5 through the second bolts 13, and the phenomenon that the fastening nut 10 affects operation of a tool when accessories in the insulating shell 5 are replaced is avoided;
further, the insulating shell 5 is fixedly connected with a positive thermocouple lead 14 and a negative thermocouple lead 15 from top to bottom in sequence, so that the normal use of the thermocouples is ensured;
furthermore, the positive thermocouple lead 14 and the negative thermocouple lead 15 are fixedly connected with insulating tubes 16 which are distributed at equal intervals, and the positive thermocouple lead 14 and the negative thermocouple lead 15 are isolated by the insulating tubes 16, so that measurement errors or even incapability of measurement caused by shunting phenomenon generated by thermoelectric force are avoided;
further, the right ends of the positive thermocouple lead 14 and the negative thermocouple lead 15 are connected through a hot end 17, and a loop is formed between the positive thermocouple lead 14 and the negative thermocouple lead 15 through the hot end 17, so that the temperature is measured.
The working principle is as follows: firstly, the upper cover 2 is screwed, the connecting rope 7 on the junction box 1 pulls the upper cover 2 through the circular ring 6 to avoid loss, a circuit is connected through the wiring port 3, then the upper cover 2 is covered, the insulating shell 5 is inserted into a place needing to be installed, then the fastening nut 10 is screwed through a spanner so as to fix the insulating shell 5, a loop is formed between the positive thermocouple lead 14 and the negative thermocouple lead 15 through the hot end 17, electromotive force is generated in the loop when the temperatures of two joint points are different, the thermocouple carries out temperature measurement by using the principle, when the thermocouple has a problem, the fastening nut 10 is loosened, then the second bolt 13 in the third threaded hole 11 and the fourth threaded hole 12 is detached, the fastening nut 10 is taken down, and then the junction box 1 is separated from the insulating shell 5 through the first bolt 4 in the first threaded hole 8 and the second threaded hole 9, and replacing the fittings, and finally reversing the previous steps to install the parts.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a conveniently change thermocouple of accessory, includes the terminal box, its characterized in that: the upper end of the junction box is in threaded connection with an upper cover, the lower end of the junction box is fixedly connected with a wiring port, and the right end of the junction box is fixedly connected with a detachable insulating shell through a first bolt.
2. A thermocouple for facilitating replacement of parts according to claim 1, wherein: the upper cover is fixedly connected with a circular ring, a connecting rope is fixedly connected between the circular ring and the junction box, first threaded holes which are symmetrically arranged are formed in the right end of the junction box, second threaded holes corresponding to the first threaded holes are formed in the left end of the insulating shell, and first bolts are connected with the first threaded holes and the second threaded holes in an inner threaded mode.
3. A thermocouple for facilitating replacement of parts according to claim 1, wherein: the insulation shell outside swing joint has fastening nut, the fastening nut left end is regular hexagon structure, and the fastening nut right-hand member outside is provided with the screw thread, set up the third screw hole that the symmetry set up on the insulation shell, set up the fourth screw hole of front and back symmetry on the fastening nut, third screw hole and fourth screw hole female connection have the second bolt.
4. A thermocouple for facilitating replacement of parts according to claim 1, wherein: and the insulating shell is fixedly connected with a positive thermocouple lead and a negative thermocouple lead sequentially from top to bottom.
5. The thermocouple of claim 4, wherein: and the positive thermocouple lead and the negative thermocouple lead are fixedly connected with insulating tubes distributed at equal intervals.
6. The thermocouple of claim 5, wherein: the right ends of the positive thermocouple lead and the negative thermocouple lead are connected through a hot end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129419.1U CN210180552U (en) | 2019-07-18 | 2019-07-18 | Thermocouple with conveniently replaced accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129419.1U CN210180552U (en) | 2019-07-18 | 2019-07-18 | Thermocouple with conveniently replaced accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210180552U true CN210180552U (en) | 2020-03-24 |
Family
ID=69841170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129419.1U Expired - Fee Related CN210180552U (en) | 2019-07-18 | 2019-07-18 | Thermocouple with conveniently replaced accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210180552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191209A (en) * | 2023-11-07 | 2023-12-08 | 滨州泽郦精密金属科技有限公司 | Quick response temperature thermocouple for metal mold casting |
-
2019
- 2019-07-18 CN CN201921129419.1U patent/CN210180552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191209A (en) * | 2023-11-07 | 2023-12-08 | 滨州泽郦精密金属科技有限公司 | Quick response temperature thermocouple for metal mold casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 Termination date: 20210718 |