CN210005124U

CN210005124U - shockproof sensitive bimetal thermometer

Info

Publication number: CN210005124U
Application number: CN201920886754.XU
Authority: CN
Inventors: 贡华山; 凌志祥
Original assignee: ANHUI JINDI ELECTRIC APPLIANCES Co Ltd
Current assignee: ANHUI JINDI ELECTRIC APPLIANCES Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-01-31
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a sensitive bimetal thermometers of type of taking precautions against earthquakes of thermometer technical field, including watchcase, explosion-proof sleeve pipe and measuring staff, explosion-proof sleeve pipe is installed the bottom of watchcase, the measuring staff is installed explosion-proof sheathed tube bottom, the bottom of watchcase is provided with the connecting rod, the outer wall of connecting rod is provided with the stop block, thread groove has been seted up to the bottom of connecting rod, explosion-proof sleeve pipe includes outer tube, the explosion-proof net of aluminum alloy and interior sleeve pipe, the explosion-proof net of aluminum alloy is inlayed the inner chamber lateral wall of outer tube, interior sleeve pipe is fixed the inner chamber lateral wall of explosion-proof net of aluminum alloy, the outer wall of measuring staff is provided with the spring holder, the utility model discloses can effectual reduction vibrations, strengthen the measurement accuracy of thermometer, cup jointed the spring on the outer wall of measuring staff, carry out the shock attenuation to the measuring staff through the spring to.

Description

shockproof sensitive bimetal thermometer

Technical Field

The utility model relates to a thermometer technical field specifically is kinds of sensitive bimetal thermometers of type that take precautions against earthquakes.

Background

The thermometer is a tool that can accurately judge and measure the temperature, and is classified into a pointer thermometer and a digital thermometer. Various thermometers have been designed and manufactured according to differences in purposes of use.

The bimetallic thermometer combines two metals with different linear expansion coefficients at , the end is fixed, when the temperature changes, the two metals have different thermal expansion and drive the pointer to deflect to indicate the temperature, namely the bimetallic thermometer, as shown in the upper page of the figure, the temperature measuring range is-80-600C, the bimetallic thermometer is suitable for temperature measurement when the industrial precision requirement is not high, and the bimetallic strip serving as a temperature sensing element can also be used for automatic temperature control.

The existing bimetallic thermometer is shockproof, when the bimetallic thermometer is used on a marine diesel engine, the power of the marine diesel engine can generate large shock, and the shock enables a common bimetallic thermometer to be incapable of effectively detecting accurate data.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of sensitive bimetal thermometers of type that takes precautions against earthquakes to solve the current bimetal thermometer that proposes in the above-mentioned background art take precautions against earthquakes, when using on marine diesel engine, because the reason of marine diesel engine's power can produce great vibrations, vibrations make the unable effectual problem that detects out accurate data of ordinary bimetal thermometer.

In order to realize the purpose, the utility model provides a sensitive bimetal thermometer of shockproof type, including watchcase, explosion-proof sleeve pipe and test bar, explosion-proof sleeve pipe is installed the bottom of watchcase, the test bar is installed explosion-proof sheathed tube bottom, the bottom of watchcase is provided with the connecting rod, the outer wall of connecting rod is provided with the stop piece, the thread groove has been seted up to the bottom of connecting rod, explosion-proof sleeve pipe includes outer tube, the explosion-proof net of aluminum alloy and interior sleeve pipe, the explosion-proof net of aluminum alloy is inlayed the inner chamber lateral wall of outer tube, interior sleeve pipe is fixed the inner chamber lateral wall of explosion-proof net of aluminum alloy, the outer wall of test bar is provided with the spring holder, the outer wall of test bar has cup jointed the spring, the bottom of spring contacts with the top of spring holder, the fixed block is.

Preferably, the bottom of the outer wall of the connecting rod is provided with an th external thread, the th external thread is arranged at the lower end of the stop block, the inner cavity of the inner sleeve is provided with an internal thread on the contact surface with the connecting rod, the internal thread is matched with the th external thread, and the connecting rod is fixedly installed in the inner cavity of the inner sleeve through the matching of the th external thread and the internal thread.

Preferably, the top of the outer wall of the detection rod is provided with a second external thread, the second external thread is matched with the th thread groove, and the detection rod is fixedly installed at the bottom of the connecting rod through the matching of the second thread and the th thread groove.

Preferably, a second thread groove is formed in a contact surface of the fixed block and the detection rod, the second thread groove is matched with the second external thread, and the fixed block is installed on the top of the outer wall of the detection rod through matching of the second thread groove and the second external thread.

Preferably, the outer sleeve and the inner sleeve are respectively a ceramic outer sleeve and a ceramic inner sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can effectual reduction vibrations, strengthen the measurement accuracy of thermometer, cup jointed the spring on the outer wall of test bar, carry out the shock attenuation through the spring to the test bar to this is carried out the shock attenuation to the thermometer, has improved the measurement accuracy of thermometer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the watch case of the present invention;

FIG. 3 is a sectional view of the explosion-proof casing of the present invention;

fig. 4 is a schematic view of the structure of the detection rod of the present invention.

In the figure, 100 watchcases, 110 connecting rods, 120 stop blocks, 130 th thread grooves, 200 explosion-proof sleeves, 210 outer sleeves, 220 aluminum alloy explosion-proof nets, 230 inner sleeves, 300 detection rods, 310 spring seats, 320 springs and 330 fixing blocks are arranged.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

The utility model provides shockproof sensitive bimetallic thermometers, which can effectively reduce the shock and enhance the measuring accuracy of the thermometers, and comprises a watchcase 100, an explosion-proof sleeve 200 and a detecting rod 300;

referring to fig. 1 and 2, the watch case 100 has a connecting rod 110, a stop block 120 and an th thread groove 130, specifically, the connecting rod 110 is arranged at the bottom of the watch case 100, the connecting rod 110 is formed by injection molding with the body of the watch case 100, the stop block 120 is arranged on the outer wall of the connecting rod 110, the stop block 120 and the connecting rod 110 are formed by injection molding with the body, the th thread groove 130 is arranged at the bottom of the connecting rod 110, the bottom of the outer wall of the connecting rod 110 is provided with a th external thread, the th external thread is arranged at the lower end of the stop block 120, and the watch case 100, the connecting rod 110 and the stop block 120;

referring to fig. 1 and 3, the explosion-proof sleeve 200 has an outer sleeve 210, an aluminum alloy explosion-proof net 220 and an inner sleeve 230, specifically, the explosion-proof sleeve 200 is fixedly mounted on the outer wall of the connecting rod 110 through threaded connection, the aluminum alloy explosion-proof net 220 is embedded on the side wall of the inner cavity of the outer sleeve 210, the inner sleeve 230 is fixed on the side wall of the inner cavity of the aluminum alloy explosion-proof net 220, the aluminum alloy explosion-proof net 220 is embedded between the outer sleeve 210 and the inner sleeve 230 in the processing and forming process of the outer sleeve 210 and the inner sleeve 230, the aluminum alloy explosion-proof net 220 is a honeycomb mesh structure, toughness, extensibility, flexibility and elasticity are increased, the special structure has good thermal conductivity in unit volume, can rapidly absorb most of heat released by combustion, and has good explosion suppression performance, the top of the inner cavity of the inner sleeve 230 is provided with positioning grooves matched with the stop block 120, the top of the inner cavity of the inner sleeve 230 is provided with internal threads, the lower end of the inner sleeve 230 is provided with external threads matched with the first positioning grooves on the connecting rod 110, the connecting rod 110 is rotatably connected to the top of the inner cavity of the inner sleeve 230 through;

referring to fig. 1 and 4, the detection rod 300 includes a spring seat 310, a spring 320 and a fixing block 330, specifically, the detection rod 300 is fixedly installed at the bottom of the connection rod 110, the explosion-proof sleeve 200 is sleeved on the top of the outer wall of the detection rod 300, the spring seat 310 is welded on the top of the outer wall of the detection rod 300, a mounting hole is opened on a contact surface between the spring seat 310 and the detection rod 300, the top of the detection rod 300 penetrates through the mounting hole and welds the spring seat 310 on the outer wall of the detection rod 300, the spring 320 is sleeved on the outer wall of the detection rod 300, the bottom of the spring 320 and the top of the spring seat 310, a second external thread is opened on the top of the outer wall of the detection rod 300, the second external thread is matched with the -th thread groove 130, a second thread groove is opened on a contact surface between the fixing block 330 and the detection rod 300, the second thread groove is matched with the second external thread, the fixing block 330 is fixedly installed on the outer wall of the detection rod 300 through a threaded connection, the top of the spring seat 320 is in contact with the bottom of the fixing block 330, the detection rod 300 is rotatably connected to the bottom of the connection rod 110 through the threaded connection, the spring seat, the explosion-proof sleeve, the effective sealing ring 200 and.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

The utility model provides sensitive bimetal thermometer of shockproof type, its characterized in that includes watchcase (100), explosion-proof sleeve pipe (200) and detection pole (300), explosion-proof sleeve pipe (200) are installed the bottom of watchcase (100), detection pole (300) are installed the bottom of explosion-proof sleeve pipe (200), the bottom of watchcase (100) is provided with connecting rod (110), the outer wall of connecting rod (110) is provided with stop block (120), thread groove (130) has been seted up to the bottom of connecting rod (110), explosion-proof sleeve pipe (200) include outer tube (210), aluminum alloy explosion-proof net (220) and interior sleeve pipe (230), aluminum alloy explosion-proof net (220) inlay in the inner chamber lateral wall of outer tube (210), interior sleeve pipe (230) is fixed the inner chamber lateral wall of aluminum alloy explosion-proof net (220), the outer wall of detection pole (300) is provided with spring holder (310), the outer wall of detection pole (300) has cup jointed spring (320), the bottom of spring (320) contacts with the top of spring holder (310), the outer wall of detection pole (300) is installed and is fixed block (330).
2. The shock-proof type sensitive bimetallic thermometer of claim 1, wherein the bottom of the outer wall of the connecting rod (110) is provided with a th external thread, the th external thread is arranged at the lower end of the stop block (120), the contact surface between the inner cavity of the inner sleeve (230) and the connecting rod (110) is provided with an internal thread, the internal thread is matched with the th external thread, and the connecting rod (110) is fixedly mounted in the inner cavity of the inner sleeve (230) through the matching of the th external thread and the internal thread.
3. The shockproof sensitive bimetal thermometer according to claim 1, wherein the detecting rod (300) has a second external thread on the top of its outer wall, the second external thread matches with the thread groove (130), the detecting rod (300) is fixedly mounted on the bottom of the connecting rod (110) by the cooperation of the second thread and the thread groove (130), the contact surface of the fixing block (330) and the detecting rod (300) has a second thread groove, the second thread groove matches with the second external thread, and the fixing block (330) is mounted on the top of the outer wall of the detecting rod (300) by the cooperation of the second thread groove and the second external thread.
4. The shock-resistant sensitive bimetal thermometer according to claim 1, wherein said outer sleeve (210) and said inner sleeve (230) are respectively a ceramic outer sleeve and a ceramic inner sleeve.