CN212659487U - Adjustable subzero low temperature controller - Google Patents
Adjustable subzero low temperature controller Download PDFInfo
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- CN212659487U CN212659487U CN202021305249.0U CN202021305249U CN212659487U CN 212659487 U CN212659487 U CN 212659487U CN 202021305249 U CN202021305249 U CN 202021305249U CN 212659487 U CN212659487 U CN 212659487U
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Abstract
The utility model discloses an adjustable subzero low temperature controller, which comprises a bracket, a temperature sensing piece, a porcelain rice column and a supporting piece, wherein one side of the bracket is provided with a porcelain ring, the porcelain ring is respectively provided with a long elastic piece and a short contact piece, the other side of the porcelain ring is provided with a porcelain rod, the porcelain rod is abutted against the long elastic piece, the temperature sensing piece is fixed at the bottom of the porcelain ring, and the upper end and the lower end of the porcelain rice column are arranged between the free end of the long elastic piece and the free end of the temperature sensing piece; the support sheet is fixed at the bottom of the porcelain ring, the free end of the support sheet is provided with a set screw, the bottom of the porcelain rice column is abutted against the set screw, the set screw is adjusted, the porcelain rice column moves up and down, the long elastic sheet moves up or down, and the short contact sheet is closed or separated. The utility model discloses, through increasing holding screw, adjust holding screw's up-and-down stroke messenger's porcelain rice pole end and upwards hold up and avoid falling back, adjust the temperature sensing piece that warp because of the temperature influence, effectively make the utility model discloses also can normal switch operation at normal atmospheric temperature environment 20 ℃ to 20 ℃ below zero.
Description
Technical Field
The utility model relates to a temperature controller technical field, concretely relates to adjustable low temperature controller under zero.
Background
The temperature controller generates physical deformation in the switch according to the temperature change of the working environment, thereby generating certain special effects and generating a series of automatic control elements for conducting or disconnecting actions. Generally, the temperature controller is controlled to be on or off by an internal metal sheet, but the metal sheet is changed due to the change of ambient temperature, and the metal sheet is bent downwards or upwards to cause deviation of critical points or electric leakage, so that the critical points are seriously deformed to cause the malfunction of the switch.
Chinese utility model patent CN 207781477U discloses an anti-frost temperature controller, which comprises a bracket, a first porcelain ring, a first lug, a long elastic sheet, a second porcelain ring, a fixed contact sheet, a second lug, a third porcelain ring, a first temperature sensing sheet and a second temperature sensing sheet, which are fixed by rivets in sequence; the first temperature sensing piece is bent upwards when being heated; the temperature sensing deformation directions of the first temperature sensing piece and the second temperature sensing piece are opposite; the cantilever end of the bracket is provided with an adjusting rod and a knob insulator; the lower end of the knob insulator abuts against the long elastic sheet; the tail end of the long elastic sheet is fixed with a short elastic sheet through porcelain rice; the free end of the short elastic sheet is positioned above the fixed contact sheet; the fixed contact piece and the short elastic piece are provided with corresponding contacts; the tail end of the first temperature sensing piece is fixed with the lower end of the porcelain rice. When the temperature controller works normally, the temperature is controlled by the temperature sensing of the first temperature sensing sheet 10, and the second temperature sensing sheet is bent downwards, so that the normal operation of the temperature controller is not influenced. When the frost-proof low-temperature protection is needed, the adjusting rod 16 is rotated to enable the knob insulator 17 to be rotated to the lowest end. When the temperature is reduced to 0-10 ℃, the second temperature sensing piece 11 starts to work in a bending way according to the temperature change, and meanwhile, the first temperature sensing piece 10 is powered on and works within a set temperature range and is powered off when exceeding the temperature range, so that the low-temperature protection function is realized through repeated circulation. The utility model discloses can realize low temperature protection, safe and reliable to the precision is accurate.
In the above technical scheme, the first temperature sensing piece and the second temperature sensing piece are adopted to limit the positions together, and the following disadvantages are still provided:
(1) the two temperature-sensing pieces are installed in a reverse shape, the deformation of the temperature-sensing pieces is different at different temperatures, the rotating and descending distances of the adjusting rod are different in order to achieve proper precision, and the adjusting precision is low;
(2) the position of the temperature sensing piece is required to be adjusted according to the temperature, and the operation is inconvenient.
In view of this, it is urgently needed to improve the structure of the existing low-temperature controller, so as to facilitate the operation and improve the adjustment precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that there is inconvenient operation in current low temperature controller's structure, adjusts the lower problem of precision.
In order to solve the technical problem, the utility model provides an adjustable low temperature controller under zero, which comprises a bracket, one side of support is equipped with the porcelain ring, be equipped with long shell fragment and short contact respectively on the porcelain ring, the opposite side is equipped with the porcelain rod, the porcelain rod support lean on in on the long shell fragment, still include:
the temperature sensing piece is fixed at the bottom of the porcelain ring;
the upper end and the lower end of the porcelain rice column are arranged between the free end of the long elastic sheet and the free end of the temperature sensing sheet;
the support sheet is fixed at the bottom of the porcelain ring, a fastening screw is arranged at the free end of the support sheet, the bottom of the porcelain rice column is abutted against the fastening screw, the fastening screw is adjusted, the porcelain rice column moves up and down, the long elastic sheet moves up or down, and the short contact piece is closed or separated.
In another preferred embodiment, the supporting sheet comprises a fixing section, a bending section and a horizontal section which are connected in sequence, and a fastening screw is arranged at the outer section of the horizontal section.
In another preferred embodiment, the bracket is arranged in the shell, and an adjusting hole is arranged on the shell at a position corresponding to the set screw.
In another preferred embodiment, the number of the porcelain rings is three, the long elastic sheets and the short contact sheets are respectively arranged on two joints of the three porcelain rings, and the porcelain rod is arranged above the long elastic sheets.
In another preferred embodiment, the temperature sensing piece is provided with a plurality of mounting holes for arranging the set screws.
In another preferred embodiment, the temperature sensing sheet is a bimetallic sheet.
Compared with the prior art, the utility model discloses, through increasing holding screw, adjust holding screw's up-and-down stroke and make the china rice pole end upwards hold up and avoid falling back, adjust the temperature sensing piece that warp because of the temperature influence, effectively make the utility model discloses also can normal switch operation at normal atmospheric temperature environment 20 ℃ to 20 ℃ below zero.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a front view of the present invention.
Detailed Description
The utility model provides an adjustable low temperature controller under zero, it is right to combine the description attached drawing and detailed implementation mode below the utility model discloses make detailed description.
As shown in fig. 1 and 2, the utility model provides a pair of adjustable subzero low temperature controller, including support 10, one side of support 10 is equipped with porcelain ring 20, is equipped with long shell fragment 31 and short contact 32 on the porcelain ring 20 respectively, and the opposite side is equipped with porcelain rod 40, and porcelain rod 40 supports to lean on long shell fragment 31, still includes temperature sensing piece 60, porcelain rice column 50 and support piece 70.
The temperature sensing piece 60 is fixed at the bottom of the porcelain ring 20, and the upper end and the lower end of the porcelain rice column 50 are arranged between the free end of the long elastic piece 31 and the free end of the temperature sensing piece 60. The supporting sheet 70 is fixed at the bottom of the porcelain ring 20, the free end is provided with a set screw 80, the bottom of the porcelain rice column 50 is abutted against the set screw 80, the set screw 80 is adjusted, the porcelain rice column 50 moves up and down, the long elastic sheet 31 moves up or down, and the short contact sheet 32 is closed or separated.
The vertical displacement of the porcelain rice column 50 is adjusted by the set screw 80, so that the porcelain rice column 50 and the long elastic sheet 31 are always kept in a mutually linked state, and the linkage structure of the porcelain rice column 50 and the long elastic sheet 31 is prevented from being invalid.
In another preferred embodiment, the supporting plate 70 comprises a fixed section, a bending section and a horizontal section which are connected in sequence, and the outer section of the horizontal section is provided with a set screw 80. In this embodiment, the supporting sheet 70 is provided in multiple sections, and the height of the bending section can be set as required, so as to provide a suitable adjusting range for the displacement of the set screw 80.
In another preferred embodiment, the bracket is disposed within a housing having an adjustment hole disposed therein at a location corresponding to the set screw 80. In this embodiment, utilize the regulation hole, make things convenient for operating personnel can directly adjust holding screw 80.
In another preferred embodiment, the temperature-sensing strip 60 is provided with a plurality of adjustment holes. In this embodiment, the temperature sensing sheet 60 is provided with a plurality of mounting holes 71 for mounting the set screws 80, and the corresponding mounting holes 71 can be selected according to the position requirement, so as to be suitable for temperature controllers with different dimensions.
In another preferred embodiment, there are three porcelain rings 20, the long spring plate 31 and the short contact plate 32 are respectively arranged on two joints of the three porcelain rings 20, and the porcelain rod 40 is arranged above the long spring plate 31. In this embodiment, the porcelain ring 20 is divided into three sections, and the long elastic sheet 31 and the short contact sheet 32 are respectively disposed at different positions to prevent short circuit.
In another preferred embodiment, the temperature sensing sheet 60 is a bimetallic sheet, which is a common temperature sensing material and is low in cost.
The utility model discloses, through increasing holding screw 80, adjust holding screw 80's up-and-down stroke messenger china rice pole end and upwards hold up or fall back, adjust temperature sensing piece 60 because of the problem of temperature deformation, effectively make the utility model discloses also can normal switch operation at normal atmospheric temperature environment 20 ℃ to 20 ℃ below zero.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides an adjustable low temperature controller under zero, includes the support, one side of support is equipped with the porcelain ring, be equipped with long shell fragment and short contact piece on the porcelain ring respectively, the opposite side is equipped with the porcelain rod, the porcelain rod support lean on in on the long shell fragment, its characterized in that still includes:
the temperature sensing piece is fixed at the bottom of the porcelain ring;
the upper end and the lower end of the porcelain rice column are arranged between the free end of the long elastic sheet and the free end of the temperature sensing sheet;
the support sheet is fixed at the bottom of the porcelain ring, a fastening screw is arranged at the free end of the support sheet, the bottom of the porcelain rice column is abutted against the fastening screw, the fastening screw is adjusted, the porcelain rice column moves up and down, the long elastic sheet moves up or down, and the short contact piece is closed or separated.
2. The adjustable subzero cryogenic temperature controller of claim 1, wherein the supporting sheet comprises a fixed section, a bending section and a horizontal section which are connected in sequence, and a set screw is arranged at the outer section of the horizontal section.
3. The adjustable subzero cryogenic temperature controller of claim 1, further comprising a housing, wherein the bracket is disposed in the housing, and the housing is provided with an adjusting hole corresponding to the set screw.
4. The adjustable subzero cryogenic temperature controller of claim 1, wherein there are three porcelain rings, the long spring plate and the short contact plate are respectively disposed on two joints of the three porcelain rings, and the porcelain rod is disposed above the long spring plate.
5. The adjustable subzero cryogenic temperature controller of claim 1, wherein the temperature sensing plate is provided with a plurality of mounting holes for mounting the set screws.
6. The adjustable subzero cryogenic temperature controller of claim 1, wherein the temperature sensing plate is a bimetallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021305249.0U CN212659487U (en) | 2020-07-06 | 2020-07-06 | Adjustable subzero low temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021305249.0U CN212659487U (en) | 2020-07-06 | 2020-07-06 | Adjustable subzero low temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212659487U true CN212659487U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021305249.0U Active CN212659487U (en) | 2020-07-06 | 2020-07-06 | Adjustable subzero low temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212659487U (en) |
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2020
- 2020-07-06 CN CN202021305249.0U patent/CN212659487U/en active Active
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