CN219200654U - Spring-pressed surface thermocouple - Google Patents
Spring-pressed surface thermocouple Download PDFInfo
- Publication number
- CN219200654U CN219200654U CN202320272289.7U CN202320272289U CN219200654U CN 219200654 U CN219200654 U CN 219200654U CN 202320272289 U CN202320272289 U CN 202320272289U CN 219200654 U CN219200654 U CN 219200654U
- Authority
- CN
- China
- Prior art keywords
- spring
- thermocouple
- temperature measuring
- elastic piece
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a spring pressing type surface thermocouple, which comprises a junction box and a thermocouple body, wherein the junction box is provided with a connecting hole; the thermocouple body is provided with a protection tube; the temperature measuring end of the thermocouple body is connected with a spring pressing mechanism; the spring pressing mechanism comprises a threaded sleeve and an elastic piece; the thread sleeve is arranged on the periphery of the protective tube; the elastic piece is sleeved on the periphery of the protection tube and is positioned between the thread sleeve and the temperature measuring end. The utility model solves the problems that the vibration resistance can not be met and the screw connection tightness is poor in the thermocouple structure in the prior art.
Description
Technical Field
The utility model relates to the technical field of thermocouples, in particular to a spring pressing type surface thermocouple.
Background
The thermocouple device is formed by assembling a porcelain bead or corundum insulation assembled temperature measuring element or a magnesia insulation armored temperature measuring element, an outer protective sleeve, a process side connecting device and a wiring device, wherein the end part of the temperature measuring element is arranged in a measured medium, when the temperature difference exists between the measured medium and the cold end of the thermocouple, potential difference is generated at the two poles of the thermocouple, and the temperature of the measured medium is read or directly used for control by checking a corresponding thermocouple graduation meter or connecting a secondary control or indication instrument.
In order to improve the stability and the disassembly and assembly convenience of the connection between the thermocouple and the measured object, thermocouples with various different installation modes appear. The patent CN 112629692A discloses a thermocouple fixing and sealing device with a clamping sleeve and threads, which comprises a sleeve, a through pipe, a clamping sleeve, a nut and a thermocouple protection pipe. Through holes are formed in the straight through holes along the axial direction, and the thermocouple protection tube can sequentially penetrate through the sleeve, the straight through inner through holes, the clamping sleeve and the screw cap. The sleeve is provided with sleeve external screw thread near through one end, and the through is provided with the through internal screw thread that matches with sleeve external screw thread near the sleeve pipe end for the sleeve pipe can form threaded connection with the through. The other end of the straight-through is provided with a straight-through external thread, and the nut is provided with a nut internal thread matched with the straight-through external thread, so that the nut can be in threaded connection with the straight-through. The clamping groove is further formed in one end, close to the screw cap, of the straight-through connector, the clamping sleeve can be embedded into the clamping groove under the connection and extrusion of the straight-through connector and the screw cap, and the thermocouple has the advantages of convenience in disassembly and assembly, good sealing performance and the like.
Therefore, in the prior art, in order to improve the convenience of disassembly and assembly, a screw thread and clamping sleeve combined connection mode is designed, but in a thermocouple structure of the prior art, the problem that the earthquake resistance cannot be met and the screw thread connection tightness is poor still exists.
Disclosure of Invention
The utility model aims to solve the problems that the vibration resistance can not be met and the fastening performance of threaded connection is poor in the thermocouple structure in the prior art, and provides a spring pressing type surface thermocouple.
The aim of the utility model is achieved by the following technical scheme: a spring-pressed surface thermocouple comprises a junction box and a thermocouple body; the thermocouple body is provided with a protection tube; the temperature measuring end of the thermocouple body is connected with a spring pressing mechanism; the spring pressing mechanism comprises a threaded sleeve and an elastic piece; the thread sleeve is arranged on the periphery of the protective tube; the elastic piece is sleeved on the periphery of the protection tube and is positioned between the thread sleeve and the temperature measuring end;
further, the elastic piece is a spring;
further, the outer diameter of the spring is smaller than the inner diameter of the threaded sleeve; the outer diameter of the spring is smaller than the inner diameter of the temperature measuring end;
further, the threaded sleeve is also in threaded connection with an adjusting nut;
further, gaskets are respectively arranged at the two ends of the spring;
the further technical scheme is that the temperature measuring end of the thermocouple body comprises a heat conductor.
The utility model has the following advantages:
1. when the temperature measuring end of the thermocouple body is installed on the surface of an object to be measured, the spring pressing mechanism is beneficial to improving the tightness and the shock resistance and buffering performance during installation;
2. the spring pressing mechanism comprises a thread sleeve and an elastic piece, and the elastic piece is extruded through the downward rotation of the thread sleeve and the periphery of the protection tube, so that the elastic piece is subjected to compression deformation, and the fastening property is improved by means of the elastic restoring force of the elastic piece; when the threaded sleeve is rotated upwards, the elastic piece is restored, so that the quick dismantling is facilitated; the elastic piece is also favorable for shock resistance and buffering, and the stability of the structure is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the spring hold-down mechanism.
Fig. 3 is a schematic view of the installation of the spring.
In the figure: 1. a junction box; 2. a protective tube; 3. a spring pressing mechanism; 4. a thread sleeve; 5. an elastic member; 6. an adjusting nut; 7. a gasket; 8. and a temperature measuring end.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1: as shown in fig. 1 to 3, a spring-pressed surface thermocouple includes a junction box 1 and a thermocouple body; the thermocouple body is provided with a protection tube 2; the temperature measuring end 8 of the thermocouple body is connected with a spring pressing mechanism 3; the spring pressing mechanism 3 comprises a threaded sleeve 4 and an elastic piece 5; the thread sleeve 4 is arranged on the periphery of the protection tube 2; the elastic piece 5 is sleeved on the periphery of the protection tube 2 and is positioned between the thread sleeve 4 and the temperature measuring end 8; in the embodiment, the junction box 1 and the thermocouple body adopt conventional structures, and any reasonable model structure and proper connection and installation mode can be selected according to the needs; in the embodiment, the protection tube 2 is made of a conventional material with certain mechanical strength, and any reasonable material can be selected according to the requirement; in this embodiment, the thread bush 4 is provided with threads on the outer periphery thereof, and is fitted with threads on the inner wall of the mounting seat during mounting.
When the temperature measuring end 8 of the thermocouple body is connected with the spring pressing mechanism and the temperature measuring end 8 is installed on the surface of an object to be measured, the spring pressing mechanism is beneficial to improving the tightness and the shock resistance and buffering performance during installation; the spring pressing mechanism 3 comprises a thread sleeve 4 and an elastic piece 5, and the elastic piece 5 is extruded by the downward rotation of the thread sleeve 4 and the periphery of the protection tube 2, so that the elastic piece 5 is subjected to compression deformation, and the tightness is improved by means of the elastic restoring force of the elastic piece 5; when the threaded sleeve 4 is rotated upwards, the elastic piece 5 is restored, so that the quick dismantling is facilitated; the elastic piece 5 is also beneficial to shock resistance and buffering, and improves the stability of the structure.
The elastic piece 5 is a spring; the elastic piece 5 is a commercially available spring piece with certain mechanical strength and elastic deformation force, any reasonable spring can be selected according to the requirement, and the deformation of the spring is stable and is convenient to install.
The outer diameter of the spring is smaller than the inner diameter of the thread bush 4; the outer diameter of the spring is smaller than the inner diameter of the temperature measuring end 8; in this embodiment, the external diameter of the spring is smaller than the internal diameter of the thread bush 4, which is favorable for the thread bush 4 to stably squeeze the spring, and the external diameter of the spring is smaller than the internal diameter of the heat conductor, which is favorable for avoiding the spring from falling out of the temperature measuring end 8.
An adjusting nut 6 is further connected to the threaded sleeve 4 in a threaded manner; in this embodiment, the threaded sleeve 4 of the adjusting nut 6 is installed on the threaded sleeve 4, and the adjusting nut 6 is screwed at a proper position on the adjusting nut 6, which is beneficial to adjusting and fixing the actual installation length of the threaded sleeve 4. When the thermocouple is assembled, the base is arranged on an object to be measured in advance, the temperature measuring end 8 of the thermocouple is inserted into the installation base, the threaded sleeve 4 is screwed into the installation base, the threaded sleeve 4 presses the spring after the thermocouple is installed in place, so that the spring is deformed, and the fastening effect and the anti-seismic effect are improved; the screwing depth of the threaded sleeve 4 is adjusted by an adjusting nut 6.
The temperature measuring end 8 of the thermocouple body comprises a heat conductor; in this embodiment, the heat conductor is favorable to improving the temperature measurement effect of thermocouple body. In this example, the heat conductor is made of conventional commercially available heat conducting material; the lower end of the spring is contacted with the heat conductor, so that the heat conductor is favorably contacted with the surface of the object to be measured stably.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A spring-pressed surface thermocouple comprises a junction box and a thermocouple body; the method is characterized in that: the thermocouple body is provided with a protection tube; the temperature measuring end of the thermocouple body is connected with a spring pressing mechanism; the spring pressing mechanism comprises a threaded sleeve and an elastic piece; the thread sleeve is arranged on the periphery of the protective tube; the elastic piece is sleeved on the periphery of the protection tube and is positioned between the thread sleeve and the temperature measuring end.
2. The spring-pressed surface thermocouple of claim 1, wherein: the elastic piece is a spring.
3. The spring-pressed surface thermocouple of claim 2, wherein: the outer diameter of the spring is smaller than the inner diameter of the threaded sleeve; the outer diameter of the spring is smaller than the inner diameter of the temperature measuring end.
4. A spring pressed surface thermocouple according to claim 3, characterised in that: and the threaded sleeve is also in threaded connection with an adjusting nut.
5. A spring pressed surface thermocouple according to claim 3, characterised in that: gaskets are respectively arranged at two ends of the spring.
6. The spring-pressed surface thermocouple of claim 1, wherein: the temperature measuring end of the thermocouple body comprises a heat conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272289.7U CN219200654U (en) | 2023-02-21 | 2023-02-21 | Spring-pressed surface thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272289.7U CN219200654U (en) | 2023-02-21 | 2023-02-21 | Spring-pressed surface thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219200654U true CN219200654U (en) | 2023-06-16 |
Family
ID=86727415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320272289.7U Active CN219200654U (en) | 2023-02-21 | 2023-02-21 | Spring-pressed surface thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219200654U (en) |
-
2023
- 2023-02-21 CN CN202320272289.7U patent/CN219200654U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040033704A1 (en) | Rotatable assemblies and methods of securing such assemblies | |
| CN219200654U (en) | Spring-pressed surface thermocouple | |
| CN219608100U (en) | On-line monitoring equipment for power transmission equipment | |
| CN203432628U (en) | Electrode assembly, electromagnetic flowmeter, and on-site instrument | |
| CN210346971U (en) | Novel pressure sensor | |
| CN217212996U (en) | Coupling force adjustable high-voltage post porcelain insulator live-line monitoring sensor device | |
| CN106525588B (en) | Multi-deformation-mode self-adaptive extensometer | |
| CN212287301U (en) | Fixing device for rotary transformer calibration | |
| CN210664818U (en) | Cylindrical probe with temperature testing function | |
| CN209278759U (en) | Sensor pre-pressing structure | |
| CN207664325U (en) | Attachment device on thermocouple sensor | |
| CN110567553A (en) | Top sealing and positioning structure for capacitive liquid level meter and capacitive liquid level meter | |
| CN215262199U (en) | Bearing gland locking force measuring device | |
| CN212779623U (en) | Novel thermocouple installation seal assembly | |
| CN220170374U (en) | Replaceable sleeve type thermocouple | |
| CN111307317A (en) | Cylinder temperature sensor with protective structure | |
| CN221376894U (en) | Hydraulic generator thrust bearing bush temperature sensor with protection device | |
| CN110567552A (en) | Single capacitance type liquid level meter | |
| CN214012648U (en) | Fast-assembling type thermal resistance | |
| CN204807226U (en) | Shock -resistant thermal resistance sensor | |
| CN217875353U (en) | Digitalized electronic pressure sensor | |
| CN117433605B (en) | Capacitive sensor, capacitive liquid level meter and low-temperature welding heat-insulating gas cylinder | |
| CN221612766U (en) | Electrode device for high-temperature high-pressure electrochemical measurement | |
| CN211717644U (en) | Temperature probe waterproof cover of transformer temperature indication controller | |
| CN221198485U (en) | Sensor with good sealing and dustproof performances |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |