CN211401468U - Pressure spring fixed thermocouple - Google Patents
Pressure spring fixed thermocouple Download PDFInfo
- Publication number
- CN211401468U CN211401468U CN202020145302.9U CN202020145302U CN211401468U CN 211401468 U CN211401468 U CN 211401468U CN 202020145302 U CN202020145302 U CN 202020145302U CN 211401468 U CN211401468 U CN 211401468U
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- wire
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- pressure spring
- locking cap
- fixed
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Abstract
The utility model provides a fixed thermocouple of pressure spring, including the terminal, the terminal connecting wire, heat shrinkage bush connecting resistance lead wire, the protect line spring is equipped with the card pipe outward, protect line spring coupling is to locking the cap on, be equipped with the spacing groove on the locking cap, the fixed pin is installed at the metal casing, fixing bolt connects the thermal resistance silk, the heat conduction layer is equipped with the ceramic protection layer outward, be equipped with the support frame on the metal casing, firmly link together fixing bolt and locking cap through metal casing and fixed pin, the slip of fixed pin is effectively prevented to the axial elasticity that fixing bolt provided through the protect line spring simultaneously, and the measured object can be guaranteed to the measurement end of thermocouple body all the time to the support frame and the sucking disc that are equipped with, when pressing the locking cap, make sucking disc and measured object fully contact, make the temperature measurement contact be connected more completely with the measured.
Description
Technical Field
The utility model relates to a technical field is measured to the thermocouple, concretely relates to fixed thermocouple of pressure spring.
Background
The thermocouple measures the thermoelectric force to realize temperature measurement, and its two thermal electrodes are temperature sensing elements formed by connecting one ends of two homogeneous conductors with different components. In a closed loop consisting of two conductors, a thermoelectric voltage of a certain magnitude is generated in the loop if the temperatures at the two ends are different. The magnitude of the thermoelectric force is only related to the property of the conductor material and the temperature difference between two end points, and is not related to the section area and the length of the conductor.
The thermocouple is widely applied to temperature measurement in industrial production, and the existing thermocouple has the problem of unstable contact with a temperature measurement surface, so that the temperature measurement is inaccurate, and the production effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a pressure spring fixed thermocouple.
A pressure spring fixed thermocouple comprises a binding post, wherein the binding post is connected with a lead, the lead is connected with a heat-shrinkable sleeve, the heat-shrinkable sleeve is connected with a resistance lead, a wire protecting spring is arranged outside the resistance lead, a clamping tube is arranged outside the wire protecting spring, the clamp tube is fixed on the outer side of the wire protecting spring through the positioning nail, the wire protecting spring is connected to the locking cap, a return spring is arranged in the locking cap, a limiting groove is arranged on the locking cap, a fixing pin is arranged in the limiting groove, the fixing pin is arranged on the metal sleeve, the metal sleeve is provided with a fixing bolt, the fixing bolt is connected with the thermal resistance wire, the thermal resistance wire is externally provided with a heat conduction layer, the heat conduction layer is externally provided with a ceramic protection layer, the ceramic protection layer is externally provided with a temperature measuring point, the metal sleeve is provided with a support frame, and the support frame is provided with a sucker.
The wiring terminal sets up to two, and wiring terminal connection wire.
The wire sets up to two, and the wire is connected to the resistance lead wire, the resistance lead wire be connected to the hot wire.
The number of the fixing bolts is four, and the fixing bolts are connected with the thermal resistance wires and the metal sleeves.
The support frame is arranged to be of a hollow annular structure and is fixed between the sucker and the metal sleeve.
The wire protecting spring is arranged between the locking cap and the positioning nail on the resistance lead.
The utility model has the advantages that: the utility model provides a compact structure's fixed thermocouple of pressure spring, firmly link together fixing bolt and locking cap through metal casing and fixed pin, the axial elasticity that provides fixing bolt through the protecting wire spring simultaneously effectively prevents the slip of fixed pin, and the measured object is pressed close to all the time to the measuring end that the thermocouple body can be ensured to support frame and the sucking disc that is equipped with, when pressing the locking cap, make sucking disc and measured object fully contact, it is more complete to make the temperature measurement contact be connected with the measured object, guarantee the steadiness of connecting, through the ceramic protective layer that is equipped with, it can more accurate definite measurement temperature to visit point and heat-conducting layer, the measuring degree of accuracy has been increased.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1, as shown: a fixed thermocouple of pressure spring, including terminal 9, terminal 9 connect the wire 8, wire 8 connect heat shrinkage bush 7, heat shrinkage bush 7 connect resistance lead wire 10, resistance lead wire 10 be equipped with protecting wire spring 6 outward, protecting wire spring 6 be equipped with card pipe 11 outward, card pipe 11 pass through the staple 12 and fix to the protecting wire spring 6 outside, protecting wire spring 6 be connected to locking cap 5 on, locking cap 5 in be equipped with back force spring 13, locking cap 5 on be equipped with spacing groove 19, be equipped with fixed pin 4 in the spacing groove 19, fixed pin 4 install at metal sleeve 14, metal sleeve 14 on be equipped with fixing bolt 3, fixing bolt 3 connect thermal resistance silk 18, thermal resistance silk 18 be equipped with heat-conducting layer 15 outward, heat-conducting layer 15 be equipped with ceramic protection layer 16 outward, a temperature measuring point 17 is arranged outside the ceramic protective layer 16, a support frame 2 is arranged on the metal sleeve 14, and a sucker 1 is arranged on the support frame 2.
The number of the binding posts 9 is two, and the binding posts 9 are connected with the lead 8.
The wires 8 are provided in two, and the wires 8 are connected to the resistance lead 10, and the resistance lead 10 is connected to the hot wire 18.
The number of the fixing bolts 3 is four, and the fixing bolts 3 connect the thermal resistance wire 18 with the metal sleeve 14.
The support frame 2 is arranged to be a hollow circular ring type structure and is fixed between the sucker 1 and the metal sleeve 14.
The wire protecting spring 6 is arranged between the locking cap 5 and the positioning nail 12 on the resistance lead 10.
The utility model discloses a fixed thermocouple of pressure spring, thermocouple have the characteristics that the precision is high, economy and temperature are wide, and application range is wider, and homogeneity and interchangeability are good, and the fixed thermocouple of pressure spring passes through the pressure spring and hugs closely thermocouple measuring end and measured object to improve measuring reliability and accuracy. Can be used together with display instrument, etc. to directly measure the temperature in the range of 0-600 deg.C. The thermocouple is provided with a flexible extension lead 8, can be freely bent, has the characteristics of small time, convenient use and the like, and is suitable for industries such as plastic extruders, light textiles, food and the like.
The utility model provides a fixed thermocouple of pressure spring, firmly link together fixing bolt 3 and locking cap 5 through metal sleeve 14 and fixed pin 4, the axial elasticity that provides fixing bolt 3 through protect wire spring 6 effectively prevents the slip of fixed pin 4 simultaneously, and the measured object is pressed close to all the time to the measuring end that the thermocouple body can be ensured to support frame 2 and sucking disc 1 that are equipped with, when pressing locking cap 5, make sucking disc 1 and measured object spare fully contact, it is more complete to make the temperature measurement contact be connected with the measured object spare, guarantee the steadiness of connecting, through the ceramic protective layer 16 that is equipped with, it can more accurate definite measurement temperature to visit hot spot and heat-conducting layer 15, the measuring degree of accuracy has been increased.
Finally, the embodiments were chosen and described in order to best explain the principles of the invention and the patent disclosure, and are not intended to be limited to the details shown. Modifications and equivalents of the embodiments of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention, and are intended to be covered by the appended claims.
Claims (6)
1. The utility model provides a fixed thermocouple of pressure spring, includes the terminal, its characterized in that: the binding post connecting wire, the wire connect the heat shrinkage bush, the heat shrinkage bush connecting resistance lead wire, the resistance lead wire be equipped with the protecting wire spring outward, the protecting wire spring be equipped with the card pipe outward, the card pipe fix the protecting wire spring outside through the set pin, protecting wire spring coupling to locking cap on, locking cap in be equipped with back force spring, locking cap on be equipped with the spacing groove, the spacing inslot is equipped with the fixed pin, the fixed pin install at the metal casing, the metal casing on be equipped with fixing bolt, fixing bolt connect the hot resistance silk, the hot resistance silk be equipped with the heat-conducting layer outward, the heat-conducting layer outside be equipped with the ceramic protective layer, the ceramic protective layer outside be equipped with the temperature measurement point, the metal casing on be equipped with the support frame, the support frame on be equipped with the sucking disc.
2. A pressure spring fixed thermocouple according to claim 1, in which: the wiring terminal sets up to two, and wiring terminal connection wire.
3. A pressure spring fixed thermocouple according to claim 1, in which: the wire sets up to two, and the wire is connected to the resistance lead wire, the resistance lead wire be connected to the hot wire.
4. A pressure spring fixed thermocouple according to claim 1, in which: the number of the fixing bolts is four, and the fixing bolts are connected with the thermal resistance wires and the metal sleeves.
5. A pressure spring fixed thermocouple according to claim 1, in which: the support frame is arranged to be of a hollow annular structure and is fixed between the sucker and the metal sleeve.
6. A pressure spring fixed thermocouple according to claim 1, in which: the wire protecting spring is arranged between the locking cap and the positioning nail on the resistance lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145302.9U CN211401468U (en) | 2020-01-23 | 2020-01-23 | Pressure spring fixed thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145302.9U CN211401468U (en) | 2020-01-23 | 2020-01-23 | Pressure spring fixed thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401468U true CN211401468U (en) | 2020-09-01 |
Family
ID=72215012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145302.9U Active CN211401468U (en) | 2020-01-23 | 2020-01-23 | Pressure spring fixed thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211401468U (en) |
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2020
- 2020-01-23 CN CN202020145302.9U patent/CN211401468U/en active Active
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