CN213482718U - Mechanical zero setting structure of mechanical temperature controller instrument - Google Patents
Mechanical zero setting structure of mechanical temperature controller instrument Download PDFInfo
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- CN213482718U CN213482718U CN202023037446.1U CN202023037446U CN213482718U CN 213482718 U CN213482718 U CN 213482718U CN 202023037446 U CN202023037446 U CN 202023037446U CN 213482718 U CN213482718 U CN 213482718U
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Abstract
The utility model discloses a mechanical zero setting structure of a mechanical temperature controller instrument, which comprises a bottom plate; the toothed sheet is rotationally connected to the central column on the bottom surface of the bottom plate, and a fan-shaped toothed opening is formed in the periphery of the toothed sheet; the adjusting rod is rotatably connected to the non-center of the bottom plate along the vertical direction; the gear is fixed at the lower part of the adjusting rod and is meshed and connected with the tooth openings of the tooth sheets; the lower end of the driving rod is fixedly connected to the non-rotating center of the tooth piece, and the upper end of the driving rod is fixedly connected with a machine core of the instrument. The utility model discloses an adjustment structure of gear mechanism interlock transmission, the regulating variable is easily controlled, realizes that the accurate adjustment of temperature controller indicating value resets.
Description
Technical Field
The utility model belongs to mechanical temperature controller instrument field, in particular to mechanical zero setting structure of mechanical temperature controller instrument.
Background
The existing mechanical temperature controllers manufactured by manufacturers at home and abroad have the unified defects that: the instrument indicating value deviation can not be adjusted and set on site. Because the mechanical instrument belongs to a precise instrument, the internal structure is complex, no matter which instruments of several manufacturers are affected to certain extent by vibration and excessive impact in the transportation process, displacement deviation occurs in internal devices of individual instruments, the integral deviation of the indication value of the instrument can be corrected in a deviation and a negative field, the instrument can only be returned to a factory for maintenance, the instrument is urgently required to be installed on the field in the power industry for operation, the instrument can not be installed due to the indication value problem, the instrument needs to be replaced to influence the construction period, and the instrument is a great trouble for users.
The prior patent of current patent number 201620005932.X, the regulation range is smaller, and the regulating variable is not well controlled, and the drawing board that need tear the instrument open simultaneously is very inconvenient, also only the manometer field application also not extensive, and original scheme adopts oval hole and has the adjusting screw of cam festival to mutually support for the core of zeroing easily resets and the calibration.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model provides a mechanical zero setting structure of mechanical temperature controller instrument of adjustment convenient and fast.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
mechanical zero setting structure of mechanical temperature controller instrument, including the bottom plate, it still includes:
the toothed sheet is rotationally connected to the central column on the bottom surface of the bottom plate, and a fan-shaped toothed opening is formed in the periphery of the toothed sheet;
the adjusting rod is rotatably connected to the non-center of the bottom plate along the vertical direction;
the gear is fixed at the lower part of the adjusting rod and is meshed and connected with the tooth openings of the tooth sheets;
the lower end of the driving rod is fixedly connected to the non-rotating center of the tooth piece, and the upper end of the driving rod is fixedly connected with a machine core of the instrument;
when the pointer of the instrument needs to be zeroed, the gear drives the tooth piece to rotate by rotating the adjusting rod, so that the position of the driving rod is changed, and the position of the driving rod is changed to drive the movement to correct the position of the pointer to achieve zeroing.
Furthermore, a tooth piece nut is connected to the central column in a threaded manner, a disc spring sleeved on the central column is arranged between the tooth piece nut and the tooth piece, and the disc spring compresses the lower end face of the tooth piece.
Furthermore, a support column arranged in the vertical direction is fixed at the non-center of the upper end face of the bottom plate, and the adjusting rod is coaxially and rotatably sleeved in the support column.
Furthermore, the top of the adjusting rod extends to the upper side of the dial plate of the instrument, and the top of the adjusting rod is provided with an adjusting hole.
Furthermore, the non-rotation center of the tooth piece is provided with a long strip-shaped installation groove, and the lower end of the driving rod is fixed on the installation groove through a first flat pad, an elastic pad and a first hexagon nut in a locking connection mode sequentially.
Furthermore, the lower end of the adjusting rod is connected to the bottom plate through a second flat pad and a second hexagonal nut in sequence, and the second flat pad is tightly close to the lower end face of the gear.
The utility model adopts the above technical scheme, following beneficial effect has:
the gear mechanical zero setting mechanism is adopted, so that the problems that the existing mechanical instruments are influenced by vibration and excessive impact to the instruments in the transportation process to a certain extent, and displacement deviation occurs in internal devices of individual instruments, and the overall deviation and the deviation of the indication value of the instrument are caused are solved, the zero setting mechanism is convenient and quick, the maintenance of the instrument is not required to be disassembled and assembled, the indication value deviation caused by the displacement can be corrected and reset directly through the gear mechanical zero setting mechanism, and the accurate adjustment and resetting of the indication value of the temperature controller are realized by adopting an adjustment structure of meshing transmission of the gear mechanism, so that the adjustment quantity is easy to control; in addition, the adjusting hole directly extends to the dial plate of the instrument, a drawing board in the instrument does not need to be opened, the instrument can be directly adjusted by a tool, the adjustment is convenient and fast, and the technology can be applied to the instruments with the circle centers.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a bottom view of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
As shown in fig. 1-2, the mechanical zero setting structure of the mechanical temperature controller instrument of the present invention comprises:
the temperature controller comprises a bottom plate 1, wherein supporting legs are arranged at the bottom of the bottom plate 1 and used for supporting the whole temperature controller;
the tooth piece 2 is rotationally connected to a central column on the bottom surface of the bottom plate 1, and a fan-shaped tooth opening is formed in the periphery of the tooth piece 2;
the adjusting rod 3 is rotatably connected to the non-center of the bottom plate 1 along the vertical direction;
the gear 4 is fixed at the lower part of the adjusting rod 3 and is meshed and connected with the tooth mouth of the tooth sheet 2;
the lower end of the driving rod 5 is fixedly connected to the non-rotating center of the tooth piece 2, and the upper end of the driving rod 5 is fixedly connected with a machine core 9 of the instrument;
when the pointer of the instrument needs to be zeroed, the gear 4 drives the tooth piece 2 to rotate by rotating the adjusting rod 3, so that the position of the driving rod 5 is changed, and the position of the driving rod 5 is changed to drive the machine core 9 to correct the position of the pointer to achieve zeroing.
The tooth piece nut 6 is in threaded connection with the central column, the disc spring 7 sleeved on the central column is arranged between the tooth piece nut 6 and the tooth piece 2, and the disc spring 7 compresses the lower end face of the tooth piece 2, so that the tooth piece nut 6 has certain pretightening force, and unnecessary zero setting operation caused by external force interference is avoided.
The non-center department of bottom plate 1 up end is fixed with along the support column 8 of vertical direction setting, adjust pole 3 coaxial rotation and cup joint in support column 8. The stability of adjusting pole 3 can be improved to the design like this to improve the precision of pointer mechanical zero setting.
The top of the adjusting rod 3 extends to the upper part of the dial plate of the instrument, and the top of the adjusting rod 3 is provided with an adjusting hole (which can be a hexagon socket hole or a hole with other shapes). The adjusting hole directly extends to the dial plate of the instrument, the dial plate in the instrument does not need to be opened, the dial plate can be directly adjusted by a tool, the adjustment is convenient and fast, and the technology can also be applied to the instruments with the centers of circles
In order to conveniently install the driving rod 5, a long strip-shaped installation groove 21 is formed in the non-rotation center of the tooth piece 2, and the lower end of the driving rod 5 is fixed on the installation groove 21 through a first flat pad, an elastic pad and a first hexagon nut in a locking connection mode sequentially.
The lower end of the adjusting rod 3 is connected to the bottom plate 1 through a second flat pad and a second hexagonal nut in sequence, and the second flat pad is tightly close to the lower end face of the gear 4.
The utility model discloses a theory of operation: the adjusting rod 3 is rotated forcibly clockwise or anticlockwise to drive the gear 4 to rotate, the gear 4 drives the tooth piece 2 through tooth mouth meshing, the tooth piece 2 changes the position through rotating the center of the instrument, so that the fixed point position of the driving rod 5 is changed, and the fixed point position of the driving rod 5 is changed to drive the movement 9 to correct the position of the pointer to realize zero adjustment.
The practice of the present invention has been described with reference to the accompanying drawings, but the invention is not limited to the embodiments described above, which are illustrative rather than limiting, and it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. Mechanical zero setting structure of mechanical temperature controller instrument, including the bottom plate, its characterized in that: it still includes:
the toothed sheet is rotationally connected to the central column on the bottom surface of the bottom plate, and a fan-shaped toothed opening is formed in the periphery of the toothed sheet;
the adjusting rod is rotatably connected to the non-center of the bottom plate along the vertical direction;
the gear is fixed at the lower part of the adjusting rod and is meshed and connected with the tooth openings of the tooth sheets;
the lower end of the driving rod is fixedly connected to the non-rotating center of the tooth piece, and the upper end of the driving rod is fixedly connected with a machine core of the instrument;
when the pointer of the instrument needs to be zeroed, the gear drives the tooth piece to rotate by rotating the adjusting rod, so that the position of the driving rod is changed, and the position of the driving rod is changed to drive the movement to correct the position of the pointer to achieve zeroing.
2. The mechanical zeroing structure of a mechanical temperature controller meter according to claim 1, characterized in that: the central column is in threaded connection with a toothed nut, a disc spring sleeved on the central column is arranged between the toothed nut and the toothed piece, and the disc spring compresses the lower end face of the toothed piece.
3. The mechanical zeroing structure of a mechanical temperature controller meter according to claim 1, characterized in that: the non-center of the upper end face of the bottom plate is fixedly provided with a support column arranged in the vertical direction, and the adjusting rod is coaxially sleeved in the support column in a rotating mode.
4. The mechanical zeroing structure of a mechanical thermostat instrument according to claim 1 or 3, characterized in that: the top of the adjusting rod extends to the upper part of the dial plate of the instrument, and the top of the adjusting rod is provided with an adjusting hole.
5. The mechanical zeroing structure of a mechanical temperature controller meter according to claim 1, characterized in that: the non-rotation center department of tooth piece is equipped with the mounting groove of a rectangular shape, the lower extreme of actuating lever loops through first flat pad, bullet pad and first hexagon nut locking connection to be fixed on the mounting groove.
6. The mechanical zeroing structure of a mechanical temperature controller meter according to claim 1, characterized in that: the lower end of the adjusting rod is connected to the bottom plate through a second flat pad and a second hexagonal nut in sequence, and the second flat pad is tightly close to the lower end face of the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037446.1U CN213482718U (en) | 2020-12-16 | 2020-12-16 | Mechanical zero setting structure of mechanical temperature controller instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037446.1U CN213482718U (en) | 2020-12-16 | 2020-12-16 | Mechanical zero setting structure of mechanical temperature controller instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213482718U true CN213482718U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023037446.1U Active CN213482718U (en) | 2020-12-16 | 2020-12-16 | Mechanical zero setting structure of mechanical temperature controller instrument |
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| Country | Link |
|---|---|
| CN (1) | CN213482718U (en) |
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2020
- 2020-12-16 CN CN202023037446.1U patent/CN213482718U/en active Active
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