CN214010577U - Double-sealing type thermal resistor - Google Patents
Double-sealing type thermal resistor Download PDFInfo
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- CN214010577U CN214010577U CN202023018353.4U CN202023018353U CN214010577U CN 214010577 U CN214010577 U CN 214010577U CN 202023018353 U CN202023018353 U CN 202023018353U CN 214010577 U CN214010577 U CN 214010577U
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- protection tube
- thermal resistance
- tube
- spring
- front protection
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Abstract
The utility model provides a double containment type thermal resistance especially relates to the thermal resistance field. In order to solve the liquid that exists among the prior art fast flow to cause the lead wire fracture and the greasy dirt pollution of impact lead to the thermal resistance of thermal resistance, include: temperature measuring element, front protection tube, back protection tube, thermal resistance lead, epoxy resin, thick spring, thin spring, tube-shape gasbag, polytetrafluoroethylene coating and bolt. The utility model discloses a spring and tube-shape gasbag protect front protection tube and rear protection tube, can effectually prevent that the protection tube from receiving the impact in the liquid of quick flow, avoid rigid protection tube bending deformation fracture even, increase the shock resistance of this novel thermal resistance, increase of service life, the lead wire of having avoided the thermal resistance is cracked in very fast time, on the other hand adopts epoxy to seal and forms the double containment in the both ends of protection tube, effectual isolated air and outside greasy dirt pollute, improve the life-span of thermal resistance.
Description
Technical Field
The utility model relates to a device in thermal resistance field especially relates to a double containment type thermal resistance.
Background
The thermal resistor is a temperature measuring device for measuring temperature by utilizing the physical phenomenon that the resistivity of a conductor changes along with the temperature, and has the characteristics of high sensitivity, stability, interchangeability and precision. Thermal resistors are commonly used with display instruments, recording instruments, and electronic regulators. Thermal resistors can directly measure the temperature of liquid, vapor and gaseous media and solid surfaces in various production processes.
When the thermal resistor is used for temperature measurement in a fluid industrial environment, the environment is severe, liquid which flows around rapidly causes great impact on the thermal resistor, and a lead of the thermal resistor can be broken in a relatively rapid time. Moreover, the thermal resistor is in a severe environment, which easily causes oil pollution, thus causing great difficulty in equipment maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double containment type thermal resistor to the liquid of the quick flow among the solution prior art causes the thermal resistor to strike the lead wire fracture and the greasy dirt pollution's that leads to the thermal resistor problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of double containment type thermal resistance, include: temperature measuring element, front protection tube, back protection tube, thermal resistance lead, epoxy resin, thick spring, thin spring, cylindrical air bag, polytetrafluoroethylene coating and bolt,
the center of the bolt is provided with a center hole for the thermal resistance lead to pass through, the two sides of the bolt are respectively and fixedly provided with the front protection tube and the rear protection tube vertically, the joint of the front protection tube and the rear protection tube with the bolt is in sealing connection, the temperature measuring element is arranged at the top end of the front protection tube, one end of the thermal resistance lead is fixedly connected with the temperature measuring element, the other end of the thermal resistance lead passes through the bottom end of the rear protection tube, the epoxy resin is filled in the front protection tube and the rear protection tube, the outer circumferences of the front protection tube and the rear protection tube are respectively and fixedly provided with a plurality of thick springs and thin springs vertically, the cylindrical air bag is of a cylindrical air bag structure, the two cylindrical air bags are respectively sleeved outside the front protection tube and the rear protection tube, and the end parts of the thick springs and the thin springs are fixedly connected with the inner wall of, the outer wall of the cylindrical air bag is covered with the polytetrafluoroethylene coating.
Preferably, the natural frequencies of the coarse spring and the fine spring are different.
The utility model provides a pair of double containment type thermal resistance beneficial effect is: the utility model discloses a spring and tube-shape gasbag protect front protection tube and rear protection tube, can effectually prevent that the protection tube from receiving the impact in the liquid of quick flow, avoid rigid protection tube bending deformation fracture even, increase the shock resistance of this novel thermal resistance, increase of service life, the lead wire of having avoided the thermal resistance is cracked in very fast time, on the other hand adopts epoxy to seal and forms the double containment in the both ends of protection tube, effectual isolated air and outside greasy dirt pollute, improve the life-span of thermal resistance.
Drawings
Fig. 1 is a schematic view of a double-sealed thermal resistor according to the present invention.
In the figure: 1. a temperature measuring element; 2. a front protection tube; 3. a rear protection tube; 4. a thermal resistance lead; 5. an epoxy resin; 6. a coarse spring; 7. a thin spring; 8. a cylindrical air bag; 9. a polytetrafluoroethylene coating; 10. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.
Referring to fig. 1, a double-sealed type thermal resistor is shown, including: the temperature measuring device comprises a temperature measuring element 1, a front protection tube 2, a rear protection tube 3, a thermal resistance lead 4, epoxy resin 5, a thick spring 6, a thin spring 7, a cylindrical air bag 8, a polytetrafluoroethylene coating 9 and a bolt 10, wherein a center hole for the thermal resistance lead 4 to pass through is formed in the center of the bolt 10, the front protection tube 2 and the rear protection tube 3 are respectively and fixedly welded on two sides of the bolt 10, the joint of the front protection tube 2 and the rear protection tube 3 with the bolt 10 is welded and sealed, the temperature measuring element 1 is arranged at the top end of the front protection tube 2 in a bonding mode, one end of the thermal resistance lead 4 is electrically connected with the temperature measuring element 1, the other end of the thermal resistance lead 4 penetrates out of the bottom end of the rear protection tube 3, the front protection tube 2 and the rear protection tube 3 are filled with the epoxy resin 5, a plurality of the thick spring 6 and the thin spring 7 are respectively and fixedly welded on the outer circumferences of the front protection tube 2 and the rear protection tube 3 in a vertical mode, the cylindrical air bag 8 is of a cylindrical air bag structure, two tube-shape gasbags 8 overlap respectively and establish the outside at preceding protection tube 2 and rear protection tube 3, and thick spring 6 and thin spring 7's tip all splices fixed connection with the inner wall of tube-shape gasbag 8, and the outer wall of tube-shape gasbag covers there is polytetrafluoroethylene coating 9, and thick spring 6 is inequality can avoid resonating with the natural frequency of thin spring 7.
The utility model discloses a spring and tube-shape gasbag protect front protection tube and rear protection tube, can effectually prevent that the protection tube from receiving the impact in the liquid of quick flow, avoid rigid protection tube bending deformation fracture even, increase the shock resistance of this novel thermal resistance, increase of service life, the lead wire of having avoided the thermal resistance is cracked in very fast time, on the other hand adopts epoxy to seal and forms the double containment in the both ends of protection tube, effectual isolated air and outside greasy dirt pollute, improve the life-span of thermal resistance.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A dual-sealed type thermal resistor, comprising: a temperature measuring element (1), a front protection tube (2), a rear protection tube (3), a thermal resistance lead (4), epoxy resin (5), a thick spring (6), a thin spring (7), a cylindrical air bag (8), a polytetrafluoroethylene coating (9) and a bolt (10), wherein,
the center of the bolt (10) is provided with a center hole for the thermal resistance lead (4) to pass through, the two sides of the bolt (10) are respectively and fixedly provided with the front protection tube (2) and the rear protection tube (3) in a vertical mode, the joint of the front protection tube (2) and the rear protection tube (3) and the bolt (10) is in sealing connection, the temperature measuring element (1) is arranged at the top end of the front protection tube (2), one end of the thermal resistance lead (4) is fixedly connected with the temperature measuring element (1), the other end of the thermal resistance lead (4) penetrates out of the bottom end of the rear protection tube (3), the epoxy resin (5) is filled in the front protection tube (2) and the rear protection tube (3), the outer circumferences of the front protection tube (2) and the rear protection tube (3) are respectively and fixedly provided with a plurality of thick springs (6) and thin springs (7) in a vertical mode, tube-shape gasbag (8) are cylindric gasbag structure, two tube-shape gasbag (8) are established respectively the front protection tube (2) and the outside of rear protection tube (3), thick spring (6) and the tip of thin spring (7) all with the inner wall fixed connection of tube-shape gasbag (8), the outer wall cover of tube-shape gasbag (8) has polytetrafluoroethylene coating (9).
2. The dual sealing type heat resistor as claimed in claim 1, wherein: the natural frequencies of the thick spring (6) and the thin spring (7) are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023018353.4U CN214010577U (en) | 2020-12-16 | 2020-12-16 | Double-sealing type thermal resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023018353.4U CN214010577U (en) | 2020-12-16 | 2020-12-16 | Double-sealing type thermal resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214010577U true CN214010577U (en) | 2021-08-20 |
Family
ID=77311685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023018353.4U Active CN214010577U (en) | 2020-12-16 | 2020-12-16 | Double-sealing type thermal resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214010577U (en) |
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2020
- 2020-12-16 CN CN202023018353.4U patent/CN214010577U/en active Active
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