CN218584218U - High-precision variable-diameter temperature transmitter - Google Patents
High-precision variable-diameter temperature transmitter Download PDFInfo
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- CN218584218U CN218584218U CN202222952253.1U CN202222952253U CN218584218U CN 218584218 U CN218584218 U CN 218584218U CN 202222952253 U CN202222952253 U CN 202222952253U CN 218584218 U CN218584218 U CN 218584218U
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- temperature transmitter
- protective case
- threaded rod
- reducing temperature
- gasket
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model relates to a temperature transmitter technical field, specifically speaking relates to high accuracy reducing temperature transmitter. It includes reducing temperature transmitter body and activity joint threaded rod, activity joint threaded rod bottom threaded connection has protective case, and the measurement core lower extreme of reducing temperature transmitter body is located inside protective case, is equipped with the gasket between protective case and the activity joint threaded rod threaded connection, is equipped with a plurality of fixed subassemblies of strengthening between gasket and the protective case tip, strengthens fixed subassembly at least including inlaying the shell of establishing at protective case intraduct, is equipped with the elastic component between shell top and the gasket bottom edge. The utility model discloses a when the protective case revolved along activity joint threaded rod screw, the elastic component compression produced the resilience force of vertical direction, made the vertical direction extrusion of threaded connection between protective case and the activity joint threaded rod, improved connection stability, reduced the vibration and caused to drop, improved the security.
Description
Technical Field
The utility model relates to a temperature transmitter technical field, specifically speaking relates to high accuracy reducing temperature transmitter.
Background
The temperature transmitter is also called a thermal resistor, and is a structural improvement product which is developed on the basis of conventional assembly thermal resistors by sensing temperature to change the resistor, wherein the diameter-variable temperature transmitter is widely used, and the diameter of the measuring end part of the product is reduced to phi 3-6 mm by adopting a method of welding a small protection pipe at the measuring end part of the product, so that the defect of slow thermal response time of the conventional assembly product is overcome;
but at present protective case and temperature transmitter directly adopt activity cutting ferrule screw thread to set up the gasket when carrying out threaded connection between protective case and the activity cutting ferrule screw thread, can reduce the wearing and tearing of protective case and activity cutting ferrule screw thread tip, but present gasket function is lack of, and the intensity that leads to protective case and activity cutting ferrule threaded connection is limited, and long-time temperature transmitter installs and easily causes to drop on long-time vibrating equipment, leads to the temperature measurement precision inaccurate, in view of this, we propose high accuracy reducing temperature transmitter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy reducing temperature transmitter to solve the problem that provides in the above-mentioned background art.
In order to realize the above-mentioned purpose, the utility model provides a high accuracy reducing temperature transmitter, including the fixed movable joint threaded rod of the measurement core outer wall of reducing temperature transmitter body and reducing temperature transmitter body, activity joint threaded rod bottom threaded connection has protective case, the measurement core lower extreme of reducing temperature transmitter body is located inside protective case, protective case with be equipped with the gasket between the activity joint threaded rod threaded connection, the gasket with be equipped with a plurality of fixed subassemblies of enhancement between the protective case tip, strengthen fixed subassembly and be used for the compression to produce the elasticity of vertical direction and make protective case and activity joint threaded rod connect fixedly, wherein:
strengthen fixed subassembly and include at least that to inlay the shell of establishing in the protecting pipe inside, the shell top with be equipped with the elastic component between the gasket bottom edge.
The utility model discloses when specifically using, protective case is along activity joint threaded rod screw in, the gasket is along with the protective case motion, it protects to be located between protective case and the activity joint threaded rod, along with protective case's screw in, the elastic component compression produces the resilience force of vertical direction, make the vertical direction extrusion of threaded connection between protective case and the activity joint threaded rod, improve joint strength, make protective case more stable protect the measurement core to the reducing temperature transmitter body, then during the measurement core lower extreme of reducing temperature transmitter body inserts the medium of the temperature that awaits measuring, temperature variation through the medium feeds back to the reducing temperature transmitter body, realize the change measurement temperature of resistance.
As a further improvement of the technical scheme, a junction box used for placing the line of the variable-diameter temperature transmitter body is arranged at the upper end of the variable-diameter temperature transmitter body.
As a further improvement of the technical scheme, the diameter of the measuring core body at the upper end of the reducing temperature transmitter body is larger than that of the measuring core body at the measuring end of the reducing temperature transmitter body.
As a further improvement of the technical scheme, a piston plate is arranged inside the shell in a sliding mode, an extension rod is connected to the top of the piston plate and penetrates through the elastic piece, and the end portion of the extension rod is fixedly connected with the gasket.
As a further improvement of the technical scheme, the piston plate slides in the shell in a sealing mode, and the top of the shell is provided with a through hole communicated with the inside of the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
among this high accuracy reducing temperature transmitter, strengthen fixed subassembly through setting up, when protecting the casing and screwing in along activity joint threaded rod screw thread, the gasket is located and protects between protective case and the activity joint threaded rod, reduce wearing and tearing, and simultaneously, along with protective case's screw in, the resilience force of the vertical direction of elastic component compression production, make the vertical direction extrusion of threaded connection between protective case and the activity joint threaded rod, improve connection stability, reduce the vibration and cause and drop, improve the security, be favorable to reducing temperature transmitter body temperature measurement's precision.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a structural exploded view of a movable clamping threaded rod and a protective sleeve of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a protective sleeve according to embodiment 1 of the present invention;
fig. 4 is a sectional view of the structure of the reinforcing and fixing assembly in embodiment 1 of the present invention.
The various reference numbers in the figures mean:
1. a variable diameter temperature transmitter body; 11. movably clamping the threaded rod; 12. a junction box;
2. a protective sleeve; 21. a gasket; 22. a reinforcing and fixing component; 221. a housing; 222. a piston plate; 223. an extension rod; 224. an elastic member; 225. and a through hole.
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 efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present embodiment provides a high-precision variable diameter temperature transmitter, which includes a variable diameter temperature transmitter body 1 and a movable clamping threaded rod 11 fixed on the outer wall of a measuring core of the variable diameter temperature transmitter body 1, the bottom of the movable clamping threaded rod 11 is connected with a protective sleeve 2 in a threaded manner, the lower end of the measuring core of the variable diameter temperature transmitter body 1 is located inside the protective sleeve 2, the lower end of the measuring core of the variable diameter temperature transmitter body 1 is inserted into a medium to be measured, and the temperature is fed back to the variable diameter temperature transmitter body 1 through the temperature change of the medium, so as to measure the temperature through the change of resistance, wherein the measuring core of the variable diameter temperature transmitter body 1 adopts a variable diameter core, which is improved on the basis of conventional assembling of thermal resistance, and adopts a method of welding a small protective tube on the measuring end part of a product, the diameter of the measuring end part is reduced to phi 3-6 mm, so that the defect of slow thermal response time of a conventional assembly product is overcome, meanwhile, when the variable-diameter temperature transmitter is used, the protective sleeve 2 is generally required to be assembled, as the name suggests, a metal sleeve for protecting a resistor body and a couple of a temperature measuring element and a process medium are isolated, and the temperature measuring element can be replaced on site once the temperature measuring element is damaged, but when the conventional protective sleeve 2 and the temperature transmitter are directly connected by adopting a movable sleeve thread in a threaded manner, a gasket 21 is required to be arranged between the protective sleeve 2 and the movable sleeve thread, so that the abrasion of the threaded end parts of the protective sleeve 2 and the movable sleeve can be reduced, but the conventional gasket 21 has insufficient functions, so that the threaded connection strength of the protective sleeve 2 and the movable sleeve is limited, and the temperature transmitter is easy to fall off when being installed on equipment vibrating for a long time, so that the temperature measuring precision is inaccurate, in view of this, we propose a high-precision variable diameter temperature transmitter, which includes the following: protective sleeve 2 and 11 threaded connection of activity joint threaded rod are equipped with gasket 21 between, are equipped with a plurality of fixed subassemblies 22 of strengthening between gasket 21 and the 2 tip of protective sleeve, strengthen fixed subassembly 22 and be used for the elasticity that the compression produced vertical direction to make protective sleeve 2 and 11 connections of activity joint threaded rod fixed, wherein:
strengthen fixed subassembly 22 at least including inlaying the shell 221 of establishing in protective sleeve 2 inside, be equipped with elastic component 224 between shell 221 top and the gasket 21 bottom edge, consider that protective sleeve 2 and activity joint threaded rod 11 carry out the screw in through threaded connection, if the equipment of the medium that awaits measuring produces the vibration, easily cause protective sleeve 2 to receive the vibration rotation to drop from activity joint threaded rod 11 for a long time, therefore, strengthen fixed subassembly 22 through setting up, when protective sleeve 2 revolves along activity joint threaded rod 11 screw, gasket 21 is located and protects between protective sleeve 2 and the activity joint threaded rod 11, reduce wearing and tearing, simultaneously, along with protective sleeve 2's screw in, elastic component 224 compression produces the resilience of vertical direction, make the vertical direction extrusion of threaded connection between protective sleeve 2 and the activity joint threaded rod 11, improve connection stability, reduce the vibration and cause and drop, improve the security, be favorable to reducing formula temperature transmitter body 1 temperature measurement's precision.
The utility model discloses when specifically using, protective case 2 is along 11 screw threads screw ins of activity joint threaded rod, gasket 21 is along with protective case 2 motion, it protects to be located between protective case 2 and the activity joint threaded rod 11, along with protective case 2's screw in, the resilience force of elastic component 224 compression production vertical direction, make the vertical direction extrusion of threaded connection between protective case 2 and the activity joint threaded rod 11, the joint strength is improved, make protective case 2 more stable protect the measurement core to reducing temperature transmitter body 1, then during the medium of the temperature that awaits measuring is inserted to the measurement core lower extreme of reducing temperature transmitter body 1, temperature variation through the medium feeds back to reducing temperature transmitter body 1, realize the change measurement temperature of resistance.
In order to realize protecting the circuit of reducing temperature transmitter body 1, be equipped with the terminal box 12 that is used for placing reducing temperature transmitter body 1 circuit in the upper end of reducing temperature transmitter body 1, place the circuit of reducing temperature transmitter body 1 through terminal box 12, realize the protection to the circuit, improve the security.
Secondly, in order to overcome the defect that the thermal response time of a conventional assembly product is slow, the diameter of a measuring core body at the upper end of the variable-diameter temperature transmitter body 1 is larger than that of a measuring core body at the measuring end of the variable-diameter temperature transmitter body 1 to form a variable-diameter measuring core body, the diameter of the measuring end part is reduced to phi 3-6 mm by adopting a welding method at the measuring end part of the product, and therefore the thermal response time of the assembly product is prolonged.
Because elastic component 224 is along with protective sleeve 2 screw in activity joint threaded rod 11 the time easily compression skew, lead to elastic component 224 to damage, therefore, be equipped with piston board 222 through the inside slip of shell 221, piston board 222 top is connected with extension rod 223, extension rod 223 runs through inside elastic component 224, and end fixed connection gasket 21, realize when elastic component 224 compresses, drive extension rod 223 downstream, make piston board 222 along the inside vertical downwards of shell 221, thereby it is spacing to carry on the direction of elastic component 224 compression, improve the elastic component 224 resilience at vertical direction, improve the effect of strengthening the connection.
Considering that the gasket 21 on the protective sleeve 2 is exposed to the outside before installation and dust particles are liable to adhere to the gasket and cause extrusion and abrasion between the protective sleeve 2 and the movable clamping threaded rod 11 due to the protruding extrusion of the dust particles, especially, the gasket 21 is close to the bottom of the protective sleeve 2 and is inconvenient to clean the dust particles, therefore, the piston plate 222 is made to slide in the shell 221 in a sealing manner, and the top of the shell 221 is provided with a through hole 225 communicated with the inside of the shell 221, when the gasket is screwed in through the thread between the protective sleeve 2 and the movable clamping threaded rod 11, the piston plate 222 slides in the shell 221, and under the action of atmospheric pressure, air in the shell 221 is blown and sucked outwards from the through hole 225, so that air flow is accelerated, dust at the bottom of the gasket 21 is blown away, abrasion of the dust particles between the gasket 21 and the protective sleeve 2 is reduced, and safety and tightness of threaded connection are improved.
The utility model discloses high accuracy reducing temperature transmitter is when specifically using, protective case 2 is along the 11 screw threads screw in of activity joint threaded rod, gasket 21 is along with protective case 2 motion, it protects to be located between protective case 2 and the activity joint threaded rod 11, along with protective case 2's screw in, elastic component 224 compression produces the resilience force of vertical direction, make the vertical direction extrusion of threaded connection between protective case 2 and the activity joint threaded rod 11, improve joint strength, make protective case 2 more stable protect reducing temperature transmitter body 1's measurement core, when elastic component 224 compresses, drive extension rod 223 downstream, make piston plate 222 along the inside vertical downwards of shell 221, thereby it is spacing to the direction of elastic component 224 compression, under atmospheric pressure's effect, make the inside air of shell 221 outwards blow and inhale from through-hole 225, accelerate the air flow, blow away the dust of gasket 21 bottom, reduce the wearing and tearing that the dust granule is located between gasket 21 and the protective case 2, then the measurement core lower extreme of formula temperature transmitter body 1 inserts the medium that awaits temperature change realized the reducing temperature transmitter temperature change, reducing resistance measurement body 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. High accuracy reducing temperature transmitter, including fixed activity joint threaded rod (11) of the measurement core outer wall of reducing temperature transmitter body (1) and reducing temperature transmitter body (1), activity joint threaded rod (11) bottom threaded connection has protective case (2), inside measuring core lower extreme of reducing temperature transmitter body (1) was located protective case (2), its characterized in that: protective sleeve (2) with be equipped with gasket (21) between activity joint threaded rod (11) the threaded connection, gasket (21) with be equipped with a plurality of fixed subassemblies (22) of strengthening between protective sleeve (2) the tip, strengthen fixed subassembly (22) and be used for the elasticity that the compression produced vertical direction to make protective sleeve (2) and activity joint threaded rod (11) be connected fixedly, wherein:
the reinforcing and fixing component (22) at least comprises a shell (221) embedded in the protective sleeve (2), and an elastic piece (224) is arranged between the top of the shell (221) and the bottom edge of the gasket (21).
2. The high accuracy variable diameter temperature transmitter of claim 1, wherein: the upper end of the reducing temperature transmitter body (1) is provided with a junction box (12) used for placing a line of the reducing temperature transmitter body (1).
3. The high accuracy variable diameter temperature transmitter of claim 1, wherein: the measuring core body at the upper end of the reducing temperature transmitter body (1) is larger than the measuring core body at the measuring end of the reducing temperature transmitter body (1).
4. The high accuracy variable diameter temperature transmitter of claim 1, wherein: the inside piston board (222) that slides of shell (221), piston board (222) top is connected with extension rod (223), and inside extension rod (223) run through elastic component (224), and end fixed connection gasket (21).
5. The high accuracy reducing temperature transmitter of claim 4, wherein: the piston plate (222) slides in the shell (221) in a sealing mode, and a through hole (225) communicated with the inside of the shell (221) is formed in the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222952253.1U CN218584218U (en) | 2022-11-07 | 2022-11-07 | High-precision variable-diameter temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222952253.1U CN218584218U (en) | 2022-11-07 | 2022-11-07 | High-precision variable-diameter temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218584218U true CN218584218U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222952253.1U Active CN218584218U (en) | 2022-11-07 | 2022-11-07 | High-precision variable-diameter temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218584218U (en) |
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2022
- 2022-11-07 CN CN202222952253.1U patent/CN218584218U/en active Active
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