CN216746475U - Thermocouple convenient to resistance to compression and high temperature resistance - Google Patents

Abstract

The utility model provides a thermocouple convenient to resist compression and high temperature, which comprises a junction box, wherein one side of the outer wall of the junction box is provided with a connector, one end of the connector is welded with a sleeve, one end of the junction box is fixedly provided with a connecting mechanism, one end of the connecting mechanism is in threaded connection with a protection mechanism, a heat-conducting transmission mechanism is arranged in the protection mechanism, the other end of the junction box is welded with a telescopic loop bar, and one end of the telescopic loop bar is welded with a handle. This resistance to compression and high temperature resistance thermocouple convenient to, through the setting of first lag, second lag and heat conduction silk, can increase both sides protection in the thermocouple silk outside, make this thermocouple live time longer, resistance to compression and high temperature resistance more, when using, simultaneously, can be through the connection of heat conduction silk and connector, guarantee temperature measurement's accuracy more.

Description

Thermocouple convenient to resistance to compression and high temperature resistance

Technical Field

The utility model relates to the technical field of thermocouples, in particular to a thermocouple which is convenient to resist pressure and has high temperature resistance.

Background

The thermocouple is a common 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 and a secondary instrument, the appearances of various thermocouples are very different as required, but the basic structures of the thermocouples are almost the same, the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and the thermocouples are generally matched with a display instrument, a recording instrument and an electronic regulator for use, so that the thermocouples are convenient to resist pressure and high temperature in order to use a high-temperature environment.

However, when the existing thermocouple is used and is measured in a high-temperature environment, the protection of a single layer is often easy to cause damage to the outside due to high temperature, so that the internal thermocouple wire is affected, the pressure resistance is poor, and meanwhile, in high-temperature measurement, the hand of a user is easy to hurt due to high temperature due to the fact that the thermocouple wire needs to be held by hands.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermocouple which is convenient to resist pressure and high temperature, so as to solve the problems that the existing thermocouple proposed in the background art is poor in pressure resistance because the outer part is damaged due to high temperature and the internal thermocouple wire is influenced because of single-layer protection when the existing thermocouple is used and needs to be measured in a high-temperature environment, and hands are needed to hold the thermocouple in high-temperature measurement, so that hands of a user are easily injured due to high temperature.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a thermocouple convenient to resistance to compression and high temperature resistance, includes the terminal box, the interface has been seted up to terminal box outer wall one side, the welding of interface one end has the sleeve pipe, terminal box one end fixed mounting has coupling mechanism, coupling mechanism one end threaded connection has protection machanism, the inside transmission device that can heat conduction that is provided with of protection machanism, the welding of the terminal box other end has flexible loop bar, the welding of flexible loop bar one end has the handle.

Preferably, the size of the sleeve is matched with that of the interface, and the sleeve is made of insulating materials.

Preferably, the connecting mechanism comprises a connecting pipe, an external thread groove, a connecting nut, a connecting shaft and an internal thread groove, one end of the junction box is in threaded connection with the connecting pipe, the external thread groove is formed in one side of the outer wall of the connecting pipe, one end of the external thread groove is in threaded connection with the connecting nut, one end of the connecting nut is in threaded connection with the connecting shaft, and the internal thread groove is formed in the connecting shaft.

Preferably, the protection mechanism comprises a first protection sleeve, a second protection sleeve and a heat conduction wire, the first protection sleeve is connected with the outer portion of the connecting shaft in a threaded mode, the second protection sleeve is connected with the connecting shaft in an internal mode, and the heat conduction wire is sleeved on the surface of the second protection sleeve.

Preferably, transmission device includes connecting seat, insulating hollow tube, thermocouple wire, connector and wiring board, the inside fixed mounting of terminal box has the connecting seat, the welding of connecting seat below one end has insulating hollow tube, the inside thermocouple wire that is provided with of insulating hollow tube, the welding of thermocouple wire one end has the connector, connecting seat top one end fixed mounting has the wiring board.

Preferably, the surface of the connector is sleeved with a heat conducting wire, and the heat conducting wire is made of an insulating material.

Preferably, the handle and the junction box form a telescopic structure through a telescopic sleeve rod, and the telescopic sleeve rod is in threaded connection with the junction box.

Compared with the prior art, the utility model has the beneficial effects that: this resistance to compression and high temperature resistance thermocouple convenient to, through the setting of first lag, second lag and heat conduction silk, can increase both sides protection in the thermocouple silk outside, make this thermocouple live time longer, resistance to compression and high temperature resistance more, when using, simultaneously, can be through the connection of heat conduction silk and connector, guarantee temperature measurement's accuracy more.

Drawings

FIG. 1 is a front cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of the front view of the present invention;

FIG. 3 is a schematic view of the connection mechanism of the present invention;

fig. 4 is a schematic view of the mutual matching structure of the thermocouple wire and the connecting base.

In the figure: 1. a junction box; 2. an interface; 3. a sleeve; 4. a connecting mechanism; 401. a connecting pipe; 402. an external thread groove; 403. a connecting nut; 404. a connecting shaft; 405. an internal thread groove; 5. a protection mechanism; 501. a first protective cover; 502. a second protective cover; 503. heat conducting wires; 6. a transport mechanism; 601. a connecting seat; 602. an insulated hollow tube; 603. a thermocouple wire; 604. a connector; 605. a wiring board; 7. a telescopic loop bar; 8. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a thermocouple convenient to resistance to compression and high temperature resistance, includes terminal box 1, and interface 2 has been seted up to 1 outer wall one side of terminal box, and the welding of 2 one ends of interface has sleeve pipe 3, and 1 one end fixed mounting of terminal box has coupling mechanism 4, and 4 one end threaded connection of coupling mechanism have protection machanism 5, and protection machanism 5 is inside to be provided with the transmission device 6 that can heat conduct, and the welding of the 1 other end of terminal box has flexible loop bar 7, and the welding of 7 one end of flexible loop bar has handle 8.

Further, sleeve pipe 3 is identical with 2 sizes of interface, and sleeve pipe 3 is insulating material, through sleeve pipe 3's setting, can make the fine connection of thermocouple and measuring instrument, and sleeve pipe 3 uses safelyr for insulating material simultaneously.

Further, coupling mechanism 4 includes connecting pipe 401, outside thread groove 402, coupling nut 403, connecting axle 404 and inside thread groove 405, terminal box 1 one end threaded connection has connecting pipe 401, outside thread groove 402 has been seted up to connecting pipe 401 outer wall one side, outside thread groove 402 one end threaded connection has coupling nut 403, coupling nut 403 one end threaded connection has connecting axle 404, inside thread groove 405 has been seted up to connecting axle 404, through connecting pipe 401, outside thread groove 402, coupling nut 403, the setting of connecting axle 404 and inside thread groove 405, can be fine connect first lag 501 and second lag 502, it is also very convenient to dismantle the change simultaneously, the practicality of this thermocouple has been increased.

Further, protection machanism 5 includes first lag 501, second lag 502 and heat conduction silk 503, the outside threaded connection of connecting axle 404 has first lag 501, connecting axle 404 internal connection has second lag 502, second lag 502 surface cover is equipped with heat conduction silk 503, through first lag 501, the setting of second lag 502 and heat conduction silk 503, can two-layer protection of effectual formation, simultaneously can guarantee through heat conduction silk 503 when increasing this thermocouple compressive capacity and high temperature resistant ability, guarantee heat transmission's smoothness.

Further, transmission device 6 includes connecting seat 601, insulating hollow tube 602, thermocouple wire 603, connector 604 and wiring board 605, the inside fixed mounting of terminal box 1 has connecting seat 601, the welding of connecting seat 601 below one end has insulating hollow tube 602, the inside thermocouple wire 603 that is provided with of insulating hollow tube 602, the welding of thermocouple wire 603 one end has connector 604, connecting seat 601 top one end fixed mounting has wiring board 605, through connecting seat 601, insulating hollow tube 602, thermocouple wire 603, the setting of connector 604 and wiring board 605, can be through the fine protection thermocouple wire 603 of insulating hollow tube 602, connecting seat 601 and wiring board 605 can be fine and outside measuring instrument connects simultaneously.

Furthermore, the surface of the connecting head 604 is sleeved with the heat conducting wire 503, the heat conducting wire 503 is made of an insulating material, and the accuracy of the thermocouple in temperature measurement can be well guaranteed by arranging the connecting head 604 and the heat conducting wire 503.

Further, handle 8 constitutes extending structure through flexible loop bar 7 and terminal box 1, and flexible loop bar 7 and terminal box 1 threaded connection through the setting of flexible loop bar 7 and handle 8, can be fine measure through handheld handle 8, can carry out the length adjustment of certain degree simultaneously, user's safety when guaranteeing to measure.

The working principle is as follows: firstly, a connecting seat 601 needs to be fixedly installed inside a junction box 1, then an insulating hollow tube 602 needs to be welded at one end of the connecting seat 601, secondly, a thermocouple wire 603 needs to be arranged inside the insulating hollow tube 602, one end of the thermocouple wire 603 is electrically connected with the connecting seat 601, secondly, a connector 604 is welded at the other end of the thermocouple wire 603, meanwhile, a wiring board 605 is fixedly installed at the other end of the connecting seat 601, secondly, a connecting pipe 401 is connected with the outside of the insulating hollow tube 602 at one end of the junction box 1 in a threaded manner, then, a connecting nut 403 needs to be connected with one end of the connecting pipe 401 in a threaded manner, secondly, a connecting shaft 404 is connected with one end of the connecting nut 403 in a threaded manner, meanwhile, a first protective sleeve 501 is connected with the connecting shaft 404 in an external threaded manner, then, a second protective sleeve 502 is connected with the connecting shaft 404 in an internal threaded manner, then, a heat conducting wire 503 is sleeved on the surface of the second protective sleeve 502, and then, the heat conducting wire 503 is connected with the connector 604, then, a telescopic loop bar 7 is connected above the junction box 1 in a threaded mode, and finally a handle 8 is welded at one end of the telescopic loop bar 7, so that the thermocouple which is convenient to resist pressure and high temperature is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a thermocouple convenient to resistance to compression and high temperature resistance, includes terminal box (1), its characterized in that: interface (2) have been seted up to terminal box (1) outer wall one side, interface (2) one end welding has sleeve pipe (3), terminal box (1) one end fixed mounting has coupling mechanism (4), coupling mechanism (4) one end threaded connection has protection machanism (5), the inside transmission device (6) that can heat conduction that is provided with of protection machanism (5), terminal box (1) other end welding has flexible loop bar (7), flexible loop bar (7) one end welding has handle (8).

2. A thermocouple convenient to withstand pressure and high temperature according to claim 1, in which the said sleeve (3) is of a size that matches the said interface (2), and the said sleeve (3) is of an insulating material.

3. The thermocouple convenient to resist compression and high temperature according to claim 1, wherein the connection mechanism (4) comprises a connection pipe (401), an external thread groove (402), a connection nut (403), a connection shaft (404) and an internal thread groove (405), one end of the connection box (1) is in threaded connection with the connection pipe (401), the external thread groove (402) is formed in one side of the outer wall of the connection pipe (401), one end of the external thread groove (402) is in threaded connection with the connection nut (403), one end of the connection nut (403) is in threaded connection with the connection shaft (404), and the internal thread groove (405) is formed in the connection shaft (404).

4. The thermocouple convenient to resist compression and high temperature according to claim 3, wherein the protection mechanism (5) comprises a first protection sleeve (501), a second protection sleeve (502) and a heat conducting wire (503), the first protection sleeve (501) is connected to the outside of the connecting shaft (404) in a threaded manner, the second protection sleeve (502) is connected to the inside of the connecting shaft (404), and the heat conducting wire (503) is sleeved on the surface of the second protection sleeve (502).

5. The thermocouple convenient to resist compression and high temperature according to claim 1, wherein the transmission mechanism (6) comprises a connecting seat (601), an insulating hollow tube (602), a thermocouple wire (603), a connecting head (604) and a wiring board (605), the connecting seat (601) is fixedly installed inside the connecting box (1), the insulating hollow tube (602) is welded at one end below the connecting seat (601), the thermocouple wire (603) is arranged inside the insulating hollow tube (602), the connecting head (604) is welded at one end of the thermocouple wire (603), and the wiring board (605) is fixedly installed at one end above the connecting seat (601).

6. The thermocouple as claimed in claim 5, wherein the connecting head (604) is covered with a heat conducting wire (503), and the heat conducting wire (503) is made of an insulating material.

7. The thermocouple convenient to resist pressure and high temperature as claimed in claim 1, characterized in that the handle (8) forms a telescopic structure with the junction box (1) through a telescopic loop bar (7), and the telescopic loop bar (7) is in threaded connection with the junction box (1).

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