CN218994556U

CN218994556U - Built-in type installation hidden thermocouple

Info

Publication number: CN218994556U
Application number: CN202320031498.2U
Authority: CN
Inventors: 蒙陈明; 高冕; 单林
Original assignee: Tianjin Bohaisheng Mechanical Equipment Fittings Co ltd
Current assignee: Tianjin Bohaisheng Mechanical Equipment Fittings Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-09
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a buried type installed hidden thermocouple, which belongs to the technical field of thermocouples and aims at the problem that the working end of the thermocouple is still in a communicated state when being protected by a lower protective sleeve, and the working end of the thermocouple is still defective; according to the utility model, through the rotation adjustment of the adjusting sleeve and the rotating sleeve, the dislocation sealing or cross communication treatment between the adjusting groove and the through groove can be realized, so that the protection performance of the working end of the thermocouple main body is further improved when the temperature measurement work is not carried out and the protection performance of the thermocouple main body is greatly improved when the thermocouple main body is used.

Description

Built-in type installation hidden thermocouple

Technical Field

The utility model belongs to the technical field of thermocouples, and particularly relates to a buried type installed hidden 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).

The thermocouple is fixed at the position that needs the temperature measurement of mechanical equipment usually when measuring the temperature, but if the material in this mechanical equipment is needs to overturn, some structure parts in the machinery can often contact with the thermocouple, because the thermocouple temperature measurement position is fragile, receive the collision of hard thing, can lead to thermocouple deformation, thereby shorten the life of thermocouple, this thermocouple is in the in-service use, it is generally isolated the protection through last protective tube to the insulating bead pipe of thermocouple, use lower protective tube to the working end of thermocouple to improve the protective properties when using to the thermocouple, increase protective tube and lower protective tube, though can effectively improve the protection to the thermocouple, but the working end of thermocouple still is in the intercommunication state in lower protective tube, at this moment when the thermocouple is not used and the intercommunication department gets into hard thing, its protection to the working end of thermocouple still has certain defect, it is difficult to satisfy the user demand of thermocouple.

Therefore, there is a need for a hidden thermocouple installed in a buried manner, which solves the problem that the working end of the thermocouple in the prior art is still in a communicated state when being protected by a lower protective sleeve, and the working end of the thermocouple is still protected by the thermocouple, so that certain defects still exist.

Disclosure of Invention

The utility model aims to provide a buried type installed hidden thermocouple so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but buried type installation concealed thermocouple, includes thermocouple main body, the top surface threaded connection of thermocouple main body has last protective sheath, the bottom of thermocouple main body is provided with the lower protective sheath who goes up protective sheath threaded connection, the bottom external surface of lower protective sheath is fixed with the locating sleeve, the work end of thermocouple main body is fixed to be run through the locating sleeve, the work end periphery of thermocouple main body is provided with a plurality of logical grooves of all seting up in lower protective sheath surface, go up protective sheath's surface threaded connection has the mounting flange cover, the top surface of mounting flange cover runs through and is provided with a plurality of mounting bolts that are evenly distributed, the mounting flange cover with be provided with down between the protective sheath with logical groove matched with adjusting part.

In the scheme, it is to be noted that, the adjusting part include with lower protective casing bottom surface fixed stop collar, the below of mounting flange cover be provided with go up protective casing surface sliding connection's adjusting sleeve, lower protective casing's surface be provided with the fixed solid fixed ring of adjusting sleeve inner wall, adjusting sleeve's bottom internal surface sliding connection has the rotation sleeve, the rotation sleeve with gu fixed ring's opposite face is provided with the jacking spring, the adjustment tank with logical groove one-to-one has been seted up to the rotation telescopic surface.

It is further worth to say that be provided with the spacing that is fixed in the rotation sleeve surface between two adjacent adjustment grooves, adjustment sleeve's inner wall is provided with the spacing matched with spacing groove.

It should be further noted that the diameter of the outer surface of the rotating sleeve is equal to the diameter of the outer surface of the upper protection sleeve, and the jacking spring is slidably sleeved on the outer surface of the lower protection sleeve.

As a preferred embodiment, the diameter of the inner surface of the rotating sleeve is equal to the diameter of the outer surface of the lower protective sleeve, and the through groove is matched with the size of the adjusting groove.

As a preferred implementation mode, the vertical section of the mounting flange sleeve is arranged in a convex shape, a slot is formed in the inner surface of the bottom of the mounting flange sleeve, and the top end of the adjusting sleeve is positioned in the slot.

Compared with the prior art, the embedded type installed hidden thermocouple provided by the utility model at least comprises the following beneficial effects:

(1) Preliminary protection to insulating bead pipe and the work end of thermocouple main part is formed respectively through last protective sleeve and lower protective sleeve to through adjusting sleeve and rotating telescopic length telescopic adjustment, thereby the thermocouple main part of being convenient for installs in different degree of depth department, thereby improves its convenience of installation.

(2) Through the rotation adjustment of the adjusting sleeve and the rotating sleeve, the dislocation sealing or cross communication treatment between the adjusting groove and the through groove can be realized, so that the protection performance of the working end of the thermocouple main body is further improved when the thermocouple main body is not used for temperature measurement and when the thermocouple main body is used for temperature measurement, and the convenience and the protection performance of the thermocouple main body are greatly improved when the thermocouple main body is used.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal part structure of the upper protective sleeve of the present utility model;

FIG. 3 is a schematic view of a partial structure of a positioning sleeve according to the present utility model;

fig. 4 is a schematic view of a split structure of the mounting flange sleeve of the present utility model.

In the figure: 1. a thermocouple body; 2. a protective sleeve is arranged on the upper part; 3. a protective sleeve is arranged; 4. a positioning sleeve; 5. a through groove; 6. installing a flange sleeve; 7. installing a bolt; 8. an adjustment assembly; 81. a limit sleeve; 82. an adjustment sleeve; 83. a fixing ring; 84. rotating the sleeve; 85. a jack-up spring; 86. an adjustment tank; 9. a limit bar; 10. a limit groove; 11. a slot.

Detailed Description

The utility model is further described below with reference to examples.

Referring to fig. 1-4, the utility model provides a hidden thermocouple for embedded installation, which comprises a thermocouple main body 1, wherein an upper protective sleeve 2 is connected with the outer surface of the top of the thermocouple main body 1 in a threaded manner, a lower protective sleeve 3 which is connected with the upper protective sleeve 2 in a threaded manner is arranged at the bottom end of the thermocouple main body 1, a positioning sleeve 4 is fixed on the outer surface of the bottom of the lower protective sleeve 3, a working end of the thermocouple main body 1 fixedly penetrates through the positioning sleeve 4, a plurality of through grooves 5 which are all arranged on the outer surface of the lower protective sleeve 3 are arranged on the periphery of the working end of the thermocouple main body 1, a mounting flange sleeve 6 is connected with the outer surface of the upper protective sleeve 2 in a threaded manner, a plurality of uniformly distributed mounting bolts 7 penetrate through the top surface of the mounting flange sleeve 6, and an adjusting component 8 which is matched with the through grooves 5 is arranged between the mounting flange sleeve 6 and the lower protective sleeve 3.

Further, as shown in fig. 1, 2, 3 and 4, it is worth specifically describing that the adjusting assembly 8 includes a stop collar 81 fixed to the bottom surface of the lower protection sleeve 3, an adjusting sleeve 82 slidably connected to the outer surface of the upper protection sleeve 2 is disposed below the mounting flange 6, a fixing ring 83 fixed to the inner wall of the adjusting sleeve 82 is disposed on the outer surface of the lower protection sleeve 3, a rotating sleeve 84 is slidably connected to the inner surface of the bottom of the adjusting sleeve 82, a jacking spring 85 is disposed on the opposite surface of the rotating sleeve 84 to the fixing ring 83, and an adjusting groove 86 corresponding to the through groove 5 one by one is disposed on the outer surface of the rotating sleeve 84.

As further shown in fig. 1 and 4, it should be specifically noted that a limiting bar 9 fixed to the outer surface of the rotating sleeve 84 is disposed between two adjacent adjusting grooves 86, and a limiting groove 10 matched with the limiting bar 9 is disposed on the inner wall of the adjusting sleeve 82.

The scheme comprises the following working processes: when the thermocouple main body 1 is installed, the insulating bead tube of the thermocouple is effectively protected through the upper protective sleeve 2, the working end at the bottom of the thermocouple is subjected to positioning treatment through the positioning sleeve 4, and the blocking treatment on the upper protective sleeve 2 and the lower protective sleeve 3 is formed, so that the working end of the thermocouple main body 1 is communicated through the through groove 5, the thermocouple main body 1 is convenient for working temperature measurement, and the upper protective sleeve 2 and the lower protective sleeve 3 form preliminary protection treatment on the thermocouple;

the mounting flange sleeve 6 is in threaded rotation on the outer surface of the upper protective sleeve 2, the elastic force of the jacking spring 85 is used, the limiting of the jacking spring 85 and the limiting of the limiting strip 9 and the limiting groove 10 are matched, so that the rotating sleeve 84 and the adjusting sleeve 82 are in telescopic up-down adjustment, the mounting flange sleeve 6 can be mounted at different heights on the upper protective sleeve 2, and the convenience of mounting the thermocouple main body 1 in temperature measurement is improved;

when the thermocouple main body 1 does not perform temperature measurement, the adjusting sleeve 82 can be rotated to enable the rotating sleeve 84 to synchronously rotate, so that the adjusting groove 86 on the rotating sleeve 84 and the through groove 5 on the lower protection sleeve 3 form dislocation sealing treatment, thereby forming protection on the working end of the thermocouple main body 1 when the thermocouple main body 1 does not work, and further improving the protection performance on the working end of the thermocouple main body 1;

when the thermocouple main body 1 performs temperature measurement, the adjusting sleeve 82 is rotated to form a communication arrangement between the adjusting groove 86 and the through groove 5, so that the working end of the thermocouple main body 1 can be guaranteed to perform temperature measurement smoothly, meanwhile, the cross communication arrangement can be formed between the adjusting groove 86 and the through groove 5 according to the size of a substance in a temperature environment to be measured, and the overlapping position of the cross part is smaller than the specification of the substance, so that the thermocouple main body 1 can be further prevented from being damaged due to substance collision during temperature measurement operation, and the protection performance of the thermocouple main body during use is further improved.

The working process can be as follows: preliminary protection to insulating bead pipe and the working end of thermocouple main body 1 is formed respectively through last protective sleeve 2 and lower protective sleeve 3 to through adjusting sleeve 82 and rotating sleeve 84's length scalable regulation, thereby be convenient for thermocouple main body 1 installs in different degree of depth department, thereby improve its convenience of installation, through adjusting sleeve 82 and rotating sleeve 84's rotation regulation, can make adjustment tank 86 and logical groove 5 form dislocation seal processing, thereby further improve thermocouple main body 1 working end's protective properties when not carrying out the temperature measurement work, and carry out synchronous rotation processing through adjustment sleeve and rotating sleeve, make adjustment tank 86 and logical groove 5 form cross connection, make its cross region be less than the specification of the regional material of temperature to be measured, thereby can prevent that the material from taking place the collision and causing the damage with thermocouple main body 1 working end when guaranteeing thermocouple main body 1 at normal temperature measurement work.

Further, as shown in fig. 2, 3 and 4, it is worth specifically describing that the outer surface diameter of the rotating sleeve 84 is equal to the outer surface diameter of the upper protection sleeve 2, the jacking spring 85 is slidably sleeved on the outer surface of the lower protection sleeve 3, the jacking spring 85 is disposed on the outer surface of the lower protection sleeve 3, and is limited by the fixing ring 83 and the top surface of the rotating sleeve 84, and the limiting effect of the limiting strip 9 and the limiting groove 10 is achieved, so that the adjusting sleeve 82 and the rotating sleeve 84 can be adjusted in length up and down and the rotating angle can be adjusted.

As further shown in fig. 4, it is worth specifically describing that the diameter of the inner surface of the rotating sleeve 84 is equal to the diameter of the outer surface of the lower protection sleeve 3, and the through slot 5 is adapted to the size of the adjusting slot 86.

Further, as shown in fig. 4, it is worth specifically explaining that the vertical section of the mounting flange sleeve 6 is provided with a convex shape, the bottom inner surface of the mounting flange sleeve 6 is provided with a slot 11, the top end of the adjusting sleeve 82 is located inside the slot 11, the slot 11 is provided with a threaded connection between the mounting flange sleeve 6 and the upper protecting sleeve 2, and the top of the adjusting sleeve 82 is limited through the slot 11, so that the adjusting sleeve 82 and the rotating sleeve 84 can be subjected to up-down length adjustment and synchronous rotating angle adjustment between the mounting flange sleeve 6 and the limiting sleeve 81.

To sum up: preliminary protection to insulating bead pipe and the working end of thermocouple main body 1 is formed respectively through last protective sleeve 2 and lower protective sleeve 3 to through adjusting sleeve 82 and rotating sleeve 84's length scalable regulation, thereby be convenient for thermocouple main body 1 installs in different degree of depth departments, thereby improve its convenience of installation, through adjusting sleeve 82 and rotating sleeve 84's rotation regulation, can make adjustment tank 86 and logical groove 5 form dislocation and seal or cross intercommunication processing, thereby further improve thermocouple main body 1 working end and the protective properties of temperature measurement during operation when not carrying out the temperature measurement, improve thermocouple main body 1's convenience and protective properties when using greatly.

The thermocouple body 1 is commercially available, is well known in the art, and is not repeated in the specification.

Claims

1. The utility model provides a but buried thermocouple of installation is hidden, includes thermocouple main part (1), a serial communication port, the top surface threaded connection of thermocouple main part (1) has last protective casing (2), the bottom of thermocouple main part (1) is provided with protective casing (3) down with last protective casing (2) threaded connection, the bottom surface mounting of protective casing (3) has locating sleeve (4) down, the work end of thermocouple main part (1) is fixed runs through locating sleeve (4), the work end periphery of thermocouple main part (1) is provided with a plurality of logical groove (5) of all opening in protective casing (3) surface down, the surface threaded connection of last protective casing (2) has mounting flange cover (6), the top surface of mounting flange cover (6) runs through and is provided with a plurality of mounting bolts (7) that are evenly distributed, mounting flange cover (6) with be provided with between protective casing (3) down with logical groove (5) matched with adjusting part (8).

2. A buried mounting concealable thermocouple according to claim 1, wherein: the adjusting component (8) comprises a limiting sleeve (81) fixed to the bottom surface of the lower protection sleeve (3), an adjusting sleeve (82) slidably connected to the outer surface of the upper protection sleeve (2) is arranged below the mounting flange sleeve (6), a fixing ring (83) fixed to the inner wall of the adjusting sleeve (82) is arranged on the outer surface of the lower protection sleeve (3), a rotating sleeve (84) is slidably connected to the inner surface of the bottom of the adjusting sleeve (82), a jacking spring (85) is arranged on the opposite surface of the rotating sleeve (84) and an adjusting groove (86) corresponding to the through groove (5) one to one is formed in the outer surface of the rotating sleeve (84).

3. A buried mounting concealable thermocouple according to claim 2, wherein: a limiting groove (10) matched with the limiting groove (9) is arranged on the inner wall of the adjusting sleeve (82).

4. A buried mounting concealable thermocouple according to claim 2, wherein: the diameter of the outer surface of the rotating sleeve (84) is equal to that of the outer surface of the upper protective sleeve (2), and the jacking spring (85) is sleeved on the outer surface of the lower protective sleeve (3) in a sliding mode.

5. A buried mounting concealable thermocouple according to claim 2, wherein: the diameter of the inner surface of the rotating sleeve (84) is equal to the diameter of the outer surface of the lower protection sleeve (3), and the through groove (5) is matched with the adjusting groove (86).

6. A buried mounting concealable thermocouple according to claim 5, wherein: the vertical section of installation flange cover (6) is protruding font setting, slot (11) have been seted up to the bottom internal surface of installation flange cover (6), the top of adjusting sleeve (82) is located the inside of slot (11).