CN210322049U - Amplifying bimetal thermometer - Google Patents
Amplifying bimetal thermometer Download PDFInfo
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- CN210322049U CN210322049U CN201921619866.5U CN201921619866U CN210322049U CN 210322049 U CN210322049 U CN 210322049U CN 201921619866 U CN201921619866 U CN 201921619866U CN 210322049 U CN210322049 U CN 210322049U
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- thermometer according
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Abstract
The utility model discloses an amplifying bimetallic thermometer, which comprises a meter shell and a temperature measuring rod, wherein a pointer is arranged in the meter shell, a bimetallic element is arranged in the temperature measuring rod, an amplifying mechanism is arranged in the meter shell, one end of the amplifying mechanism is hinged with the bimetallic element, and the other end is linked with the pointer; the utility model has the characteristics of small, the precision is high, anti-seismic performance is good, long service life etc.
Description
Technical Field
The utility model relates to an enlarge bimetal thermometer.
Background
Traditional bimetal thermometer adopts the corner spring, appears the jamming and jumps the needle phenomenon easily, will be high to temperature element's load, and during high temperature, the distortion can appear in the corner spring, can appear connecting seat and spring obscission even, leads to the instrument function to lose, in addition, adopts the corner spring to need have great corner, consequently requires the watchcase space enough height.
Disclosure of Invention
The utility model mainly solves the technical problem of providing an amplifying bimetal thermometer.
The utility model discloses the technical scheme who solves its technical problem and adopt is: an amplifying bimetal thermometer comprises a meter shell and a temperature measuring rod, wherein a pointer is arranged in the meter shell, a bimetal element is arranged in the temperature measuring rod, an amplifying mechanism is arranged in the meter shell, one end of the amplifying mechanism is hinged with the bimetal element, and the other end of the amplifying mechanism is linked with the pointer.
After the mechanism of enlargeing is adopted, the appearance sizes such as instrument probe rod and shell have greatly been dwindled promptly, when guaranteeing the same displacement, the load capacity of component can be done higher, and then makes the degree of accuracy, anti-seismic performance and the life of instrument all obtain great improvement, simultaneously through the setting of hinge joint for simple quick, the convenience of integral installation has improved production efficiency greatly.
The amplification mechanism comprises a crown gear, a cylindrical gear and a central shaft, the cylindrical gear is sleeved on the central shaft and is linked with the central shaft, the pointer is located at the top end of the central shaft and is linked, the crown gear is meshed with the cylindrical gear and is linked, and the number of teeth of the crown gear is greater than the number of teeth of the cylindrical gear.
Through crown gear and roller gear meshing, realize direct amplification for the magnification is more accurate, and for multistage amplification, the loss is littleer, and the multiple of here amplification specifically can adjust the tooth number of crown gear and the tooth number ratio of the tooth number of roller tooth.
Wherein, the mechanism of enlargeing still includes the tension hairspring, and the tension hairspring cover is established on the center pin.
Through the setting of tension hairspring, can eliminate the clearance of gear engagement, ensure the accuracy and the stationarity that whole instrument measured.
The connecting shaft is arranged on the crown gear, one end of the first connecting column is connected with the bimetallic element, the other end of the first connecting column is provided with an axial sliding groove, the connecting shaft is provided with a fixing hole, and the fixing column penetrates through the fixing hole to fix the connecting shaft on the axial sliding groove to realize hinged connection of the first connecting column and the connecting shaft.
The connecting shaft is fixed on the axial sliding groove through the fixing column, so that the connecting shaft can axially slide relative to the fixing column, the radial linkage is realized, and the connection is hinged, so that the installation is simpler and quicker.
Wherein, still include the transmission shaft, transmission shaft one end is connected with bimetallic element, and the other end is the bolt-up with first spliced pole.
The transmission shaft is arranged, so that the transmission efficiency is further improved, and the transmission stability is ensured. Meanwhile, the bolt is used for locking, so that debugging is more convenient, debugging personnel can adjust the distance of the transmission shaft according to the elastic bolt, and the precision is ensured.
Wherein, still include the clamp, be equipped with the draw-in groove on the first spliced pole, the clamp is fixed with the draw-in groove cooperation.
The setting of clamp, further, guarantee the fixed stability of first spliced pole.
The second connecting column is arranged on the watch case and welded with the watch case through argon arc welding.
Through argon arc welding integral welding, replace the mode of locking with the nut, avoided the nut to connect the not hard up problem that probably appears, improved holistic stability of instrument, degree of accuracy and instrument barrier propterty, satisfied more service environment's demand.
The temperature measuring device further comprises a sleeve joint, and the sleeve joint is connected with the temperature measuring rod and the second connecting column.
Wherein, the sleeve joint is connected with the second connecting column in a split manner.
The sleeve joint and the second connecting column adopt a split structure, so that the required installation mode can be selected according to a customer order during production.
Wherein, be equipped with the sealing member on the temperature measurement pole, the sealing member seals the temperature measurement pole and bimetallic element other end is connected with the sealing member.
The whole protection effect is further improved by the arrangement of the sealing element, so that the bimetallic element works more stably.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention;
fig. 2 is a schematic view of a partial structure in embodiment 1 of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a partial side view in embodiment 1 of the present invention.
Detailed Description
Example 1:
referring to fig. 1-4, an enlarged bimetallic thermometer comprises a case 1 and a temperature measuring rod 2, wherein the case 1 is transparent and waterproof, and is the prior art, so that the details are not repeated herein. The watch case 1 is internally provided with a pointer 11, an amplifying mechanism, a label 12, an upper plate 13, a lower plate 14, a first upright post 15 and a second upright post 16, the lower plate 14 is fastened with the bottom of the watch case 1 through a bolt, the lower plate 14 is connected with the upper plate 13 through the first upright post 15 and the second upright post 16, and a gap 17 is formed between the upper plate 13 and the lower plate 14.
The enlarging mechanism comprises a crown gear 31, a cylindrical gear 32, a tension balance spring 33 and a central shaft 34, the lower end of the central shaft 34 is connected with the lower clamping plate 14, the other end of the central shaft passes through the upper clamping plate 13 and the label 12 to be linked with the pointer 11, and the central shaft 34 is arranged in a rotating mode relative to the upper clamping plate 13 and the lower clamping plate 14. The tension balance spring 33 and the cylindrical gear 32 are both sleeved on the central shaft 34, the tension balance spring 33 is located above the cylindrical gear 32, and it should be noted here that the tension balance spring 33 and the cylindrical gear 32 are both located in the gap 17. An annular groove 151 is formed in the first upright post 15, and one end of the tension balance spring 33 is abutted against the annular groove 151, so that the overall stability is achieved.
The other end of the crown gear 31 is provided with a connecting shaft 35, the connecting shaft 35 is provided with a fixing hole 351, and the connecting shaft 35 penetrates through the second upright post 16 and extends into the axial sliding groove.
One end of the first connecting column 4 is in bolt fastening with the transmission shaft 5, and the transmission shaft 5 can be debugged through the elastic bolt. Be equipped with axial spout 41 and draw-in groove 42 on the first spliced pole 4 other end, fixed column 9 passes fixed orifices 351 and fixes connecting axle 35 on axial spout 41 and realize the hinge of first spliced pole 4 and connecting axle 35, specifically fixes connecting axle 35 on axial spout 41 for fixed column 9 for connecting axle 35 forms the axial slip, the setting of radial linkage relative to fixed column 9. The clamp 6 is matched and fixed with the clamping groove 42. The setting of clamp 6, further, guarantee the fixed stability of first spliced pole 4.
The temperature measuring rod 2 is internally provided with a bimetallic element 21 and a sealing element 22, the sealing element 22 seals the opening end of the temperature measuring rod 2, one end of the bimetallic element 21 is fixedly connected with the sealing element 22, the other end of the bimetallic element is connected with the transmission shaft 5 to realize transmission, and the transmission shaft 5 penetrates through the casing joint 7 and the second connecting column 8 to be fixed with the first connecting column 4 through bolts. The bimetal element 21 is arranged helically. Here, the sleeve joint 7 and the second connecting column 8 are both provided with through holes adapted to the transmission shaft 5, which will not be described further herein.
The sleeve joint 7 is connected with the temperature measuring rod 2 and the second connecting column 8, the sleeve joint 7 and the second connecting column 8 are in split connection, and the sleeve joint can be specifically in bolted connection or other split connection. The second connecting column 8 is welded with the watch case 1 through argon arc welding. Through argon arc welding integral welding, replace the mode of locking with the nut, avoided the nut to connect the not hard up problem that probably appears, improved holistic stability of instrument, degree of accuracy and instrument barrier propterty, satisfied more service environment's demand.
Meanwhile, the thermometer is made of stainless steel, has the characteristics of no mercury harm, environmental protection, corrosion resistance and the like, and meets the measurement application requirements of industries such as food, medicine, chemical engineering and the like.
After the mechanism of enlargeing is adopted, the appearance sizes such as instrument probe rod and shell have greatly been dwindled promptly, when guaranteeing the same displacement, the load capacity of component can be done higher, and then makes the degree of accuracy, anti-seismic performance and the life of instrument all obtain great improvement, simultaneously through the setting of hinge joint for simple quick, the convenience of integral installation has improved production efficiency greatly. Overall structure's setting, greatly reduced the production degree of difficulty, improved holistic production efficiency.
Claims (10)
1. The utility model provides an enlarge bimetal thermometer, includes watchcase and temperature measurement pole, is equipped with the pointer in the watchcase, its characterized in that: the temperature measuring rod is internally provided with a bimetallic element, the shell is internally provided with an amplifying mechanism, one end of the amplifying mechanism is hinged with the bimetallic element, and the other end of the amplifying mechanism is linked with the pointer.
2. An amplified bimetallic thermometer according to claim 1, wherein: the amplification mechanism comprises a crown gear, a cylindrical gear and a central shaft, the cylindrical gear is sleeved on the central shaft and linked with the central shaft, the pointer is located at the top end of the central shaft and linked, the crown gear is meshed with the cylindrical gear and linked, and the number of teeth of the crown gear is greater than that of the cylindrical gear.
3. An amplified bimetallic thermometer according to claim 2, wherein: the amplifying mechanism also comprises a tension hairspring which is sleeved on the central shaft.
4. An amplified bimetallic thermometer according to claim 2, wherein: the connecting shaft is connected with the crown gear, one end of the first connecting column is connected with the bimetallic element, the other end of the first connecting column is provided with an axial sliding groove, the connecting shaft is provided with a fixing hole, and the fixing column penetrates through the fixing hole to fix the connecting shaft on the axial sliding groove to realize hinged connection of the first connecting column and the connecting shaft.
5. An amplified bimetallic thermometer according to claim 4, characterised in that: the transmission shaft is further included, one end of the transmission shaft is connected with the bimetallic element, and the other end of the transmission shaft is fastened with the first connecting column through a bolt.
6. An amplified bimetallic thermometer as in claim 5, wherein: still include the clamp, be equipped with the draw-in groove on the first spliced pole, the clamp is fixed with the draw-in groove cooperation.
7. An amplified bimetallic thermometer according to claim 1, wherein: the second connecting column is arranged on the watch case and welded with the watch case through argon arc welding.
8. An amplified bimetallic thermometer according to claim 7, wherein: the temperature measuring device further comprises a sleeve joint, and the sleeve joint is connected with the temperature measuring rod and the second connecting column.
9. An amplified bimetallic thermometer according to claim 8, wherein: the sleeve joint is connected with the second connecting column in a split mode.
10. An amplified bimetallic thermometer according to claim 8, wherein: the temperature measuring rod is provided with a sealing element, the sealing element seals the temperature measuring rod, and the other end of the bimetallic element is connected with the sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619866.5U CN210322049U (en) | 2019-09-26 | 2019-09-26 | Amplifying bimetal thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619866.5U CN210322049U (en) | 2019-09-26 | 2019-09-26 | Amplifying bimetal thermometer |
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| Publication Number | Publication Date |
|---|---|
| CN210322049U true CN210322049U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619866.5U Active CN210322049U (en) | 2019-09-26 | 2019-09-26 | Amplifying bimetal thermometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN210322049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
-
2019
- 2019-09-26 CN CN201921619866.5U patent/CN210322049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
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