CN219657042U - Spring-pressed thermal resistor - Google Patents
Spring-pressed thermal resistor Download PDFInfo
- Publication number
- CN219657042U CN219657042U CN202321308625.5U CN202321308625U CN219657042U CN 219657042 U CN219657042 U CN 219657042U CN 202321308625 U CN202321308625 U CN 202321308625U CN 219657042 U CN219657042 U CN 219657042U
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- Prior art keywords
- thermal resistor
- spring
- pressed
- fixed flange
- flange
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- 238000013016 damping Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 27
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Details Of Resistors (AREA)
Abstract
The utility model discloses a spring-pressed thermal resistor, which comprises a junction box, wherein an installation seat is fixed below the junction box, the installation seat is in threaded connection with an installation sleeve, the installation sleeve is positioned inside a fixed flange, a first damping spring is arranged between the installation sleeve and the fixed flange, a protective shell is arranged below the fixed flange, and a thermal resistor body is arranged inside the protective shell. According to the utility model, the thermal resistor is arranged on the device to be detected through the fixed flange by utilizing the bolts, so that the temperature detection can be performed, the protective shell of the thermal resistor can vibrate along with the flow of fluid in the device to be detected, and the installation sleeve and the fixed flange are in a split structure, and the first damping spring is arranged between the installation sleeve and the fixed flange and can absorb the vibration force between the installation sleeve and the fixed flange, so that a certain buffering and damping effect is achieved, and the condition that the connection position of an internal lead and the thermal resistor is easy to loosen is avoided, so that the thermal resistor can be normally used.
Description
Technical Field
The utility model relates to the technical field of thermal resistors, in particular to a spring-pressed thermal resistor.
Background
The thermal resistor is a temperature detector most commonly used in medium and low temperature areas, and the thermal resistor temperature measurement is based on the characteristic that the resistance value of a metal conductor increases along with the increase of temperature to measure the temperature.
The prior art has the following problems:
when the existing thermal resistor is used for measuring the temperature of gas or liquid, when the measured fluid is in a vibration state, the protective shell of the thermal resistor is easy to vibrate, so that the connection point of an internal lead and the thermal resistor is easy to loosen, and the condition that the temperature measurement cannot be performed is caused.
For this purpose, we propose a spring-pressed thermal resistor to solve the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to solve the defects that when measured fluid is in a vibration state, a protective shell in the fluid is easy to vibrate, so that the connection point of an internal lead and a thermal resistor is easy to loosen, and the situation that temperature measurement cannot be performed is caused in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the spring pressing type thermal resistor comprises a junction box, an installation seat is fixed below the junction box, the installation seat is in threaded connection with an installation sleeve, the installation sleeve is located inside a fixing flange, a first damping spring is arranged between the installation sleeve and the fixing flange, a protective shell is arranged below the fixing flange, a thermal resistor body is arranged inside the protective shell, and the thermal resistor body penetrates through the installation seat through an inner core and is connected with the junction box.
Preferably, a sealing plate is fixed on the upper surface of the mounting seat, a corrugated sealing ring is arranged below the sealing plate, and a second damping spring is arranged on the inner side surface of the corrugated sealing ring.
Preferably, the second damping springs are provided in plurality, and the second damping springs are distributed in the corrugated sealing ring in an annular array.
Preferably, a heat conducting silica gel is arranged between the protective shell and the thermal resistor body.
Preferably, the outer side surface of the junction box is provided with a lead port.
Preferably, the outer surface of the protective shell is coated with a high-temperature-resistant anticorrosive paint.
Preferably, the surface of the inner core is wound with a shielding wire.
Compared with the prior art, the utility model has the beneficial effects that;
(1) According to the utility model, the junction box, the fixing flange, the inner core, the protective shell, the thermal resistor body, the mounting seat, the first damping spring and the mounting sleeve are arranged, so that the purpose of improving the use stability of the thermal resistor is realized.
(2) According to the utility model, the sealing plate, the corrugated sealing ring and the second damping spring are arranged, and when the anti-dust protection device is used, the second damping spring applies acting force to the corrugated sealing ring, so that the corrugated sealing ring is closely attached to the fixing flange, vibration of the protection shell is not required to be transmitted to the junction box and the internal element, the sealing performance between the sealing plate and the fixing flange can be improved, and the anti-dust protection effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a spring-pressed thermal resistor according to the present utility model;
FIG. 2 is a schematic diagram showing the internal structure of a spring-pressed thermal resistor according to the present utility model;
FIG. 3 is an enlarged view of the inside of the flange of the spring-pressed thermal resistor according to the present utility model.
Legend description:
1. a junction box; 2. a lead wire port; 3. a fixed flange; 4. an inner core; 5. a protective shell; 6. a thermal resistor; 7. a shield wire; 8. a mounting base; 9. thermally conductive silica gel; 10. a first damping spring; 11. a mounting sleeve; 12. a sealing plate; 13. a corrugated seal ring; 14. and a second damping spring.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
Referring to fig. 1-3, the spring-pressed thermal resistor comprises a junction box 1, a mounting seat 8 is fixed below the junction box 1, the mounting seat 8 is in threaded connection with a mounting sleeve 11, the mounting sleeve 11 is positioned inside a fixing flange 3, a first damping spring 10 is arranged between the mounting sleeve 11 and the fixing flange 3, a protecting shell 5 is arranged below the fixing flange 3, a thermal resistor body 6 is arranged inside the protecting shell 5, and the thermal resistor body 6 penetrates through the mounting seat 8 through the junction box 1.
In this embodiment: utilize the bolt to pass through mounting flange 3, install thermal resistor on waiting to detect the device, can carry out temperature detection, its protecting crust 5 can take place the vibration along with waiting to detect the flow of device internal fluid, because installation cover 11 is split type structure with mounting flange 3, and install first damping spring 10 between, can absorb the vibrations power between, play certain buffering cushioning effect to avoid the condition emergence that the junction of internal conductor and thermal resistor takes place not hard up easily, make thermal resistor can normal use.
Specifically, the upper surface of mount pad 8 is fixed with closing plate 12, and the below of closing plate 12 is provided with ripple sealing washer 13, and the medial surface of ripple sealing washer 13 is provided with second damping spring 14.
In this embodiment: when the anti-dust sealing device is used, the second damping spring 14 applies acting force to the corrugated sealing ring 13, so that the corrugated sealing ring 13 is closely attached to the fixed flange 3, vibration of the protective shell 5 is not required to be transmitted to the junction box 1 and internal elements, tightness between the sealing plate 12 and the fixed flange 3 can be improved, and a dust-proof effect is achieved.
Specifically, a plurality of second damping springs 14 are provided, and the plurality of second damping springs 14 are distributed in the inside of the bellows seal ring 13 in an annular array.
In this embodiment: through setting up a plurality of second damping springs 14, can comprehensively apply effort to ripple sealing washer 13, avoid appearing sealed dead angle.
Specifically, a heat conducting silica gel 9 is arranged between the protective shell 5 and the thermal resistor 6.
In this embodiment: through setting up heat conduction silica gel 9, can play the effect of heat conduction, the certain elasticity performance that heat conduction silica gel 9 had simultaneously to play supplementary antidetonation effect.
Specifically, the outside surface of the junction box 1 is provided with a lead port 2.
In this embodiment: through setting up lead wire mouth 2, make things convenient for terminal box 1 inside and outside connecting wire to connect.
Specifically, the outer surface of the protective shell 5 is coated with a high-temperature-resistant anticorrosive paint.
In this embodiment: the protective shell is used for improving the high temperature resistance and corrosion resistance of the protective shell 5 and reducing the use damage of the protective shell 5.
Specifically, the surface of the inner core 4 is wound with a shield wire 7.
In this embodiment: by providing the shielding wire 7, interference of external electromagnetic waves to the inner core 4 is shielded.
Working principle: when the device works, the thermal resistor is arranged on a device to be detected through the fixed flange 3 by using the bolts, so that the temperature detection can be performed, the protective shell 5 of the device can vibrate along with the flow of fluid in the device to be detected, and the installation sleeve 11 and the fixed flange 3 are in a split structure, and the first damping spring 10 is arranged between the installation sleeve 11 and the fixed flange, so that the vibration force between the installation sleeve and the fixed flange can be absorbed, a certain buffering and damping effect is achieved, and the condition that the connection position of an internal lead and the thermal resistor is easy to loosen is avoided, so that the thermal resistor can be normally used; when the anti-dust sealing device is used, the second damping spring 14 applies acting force to the corrugated sealing ring 13, so that the corrugated sealing ring 13 is closely attached to the fixed flange 3, vibration of the protective shell 5 is not required to be transmitted to the junction box 1 and internal elements, tightness between the sealing plate 12 and the fixed flange 3 can be improved, and a dust-proof effect is achieved.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (7)
1. The utility model provides a spring pressure formula thermal resistor, includes terminal box (1), its characterized in that, the below of terminal box (1) is fixed with mount pad (8), mount pad (8) and installation cover (11) threaded connection, installation cover (11) are located inside flange (3), and are provided with first damping spring (10) between installation cover (11) and flange (3), the below of flange (3) is provided with protecting crust (5), the inside of protecting crust (5) is provided with thermal resistor body (6), thermal resistor body (6) link up mount pad (8) and terminal box (1) through inner core (4) and are connected.
2. Spring-pressed thermal resistor according to claim 1, characterized in that a sealing plate (12) is fixed on the upper surface of the mounting seat (8), a corrugated sealing ring (13) is arranged below the sealing plate (12), and a second damping spring (14) is arranged on the inner side surface of the corrugated sealing ring (13).
3. Spring-pressed thermal resistor according to claim 2, characterized in that a plurality of second damping springs (14) are provided, a plurality of second damping springs (14) being distributed in an annular array inside the bellows seal ring (13).
4. Spring-pressed thermal resistor according to claim 1, characterized in that a thermally conductive silicone (9) is arranged between the protective housing (5) and the thermal resistor body (6).
5. Spring-pressed thermal resistor according to claim 1, characterized in that the outer side surface of the junction box (1) is provided with a lead opening (2).
6. Spring-pressed thermal resistor according to claim 1, characterized in that the outer surface of the protective shell (5) is coated with a high-temperature resistant corrosion-resistant coating.
7. Spring-pressed thermal resistor according to claim 1, characterized in that the inner core (4) is surface wound with a shielding wire (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321308625.5U CN219657042U (en) | 2023-05-26 | 2023-05-26 | Spring-pressed thermal resistor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321308625.5U CN219657042U (en) | 2023-05-26 | 2023-05-26 | Spring-pressed thermal resistor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219657042U true CN219657042U (en) | 2023-09-08 |
Family
ID=87859723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321308625.5U Active CN219657042U (en) | 2023-05-26 | 2023-05-26 | Spring-pressed thermal resistor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219657042U (en) |
-
2023
- 2023-05-26 CN CN202321308625.5U patent/CN219657042U/en active Active
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