CN219104194U

CN219104194U - Explosion-proof shell of temperature transmitter

Info

Publication number: CN219104194U
Application number: CN202222279324.6U
Authority: CN
Inventors: 马长宝; 梁亚宏
Original assignee: Shanghai Gangqi Controls And Instruments Co ltd
Current assignee: Shanghai Gangqi Controls And Instruments Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-05-30
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses an explosion-proof shell of a temperature transmitter, which comprises a pipeline, wherein a threaded sleeve is vertically inserted into the top of the outer peripheral surface of the pipeline, a fastening nut is sleeved on the outer peripheral surface of the lower part of the threaded sleeve in a threaded manner, the fastening nut is in threaded connection with the top of the outer peripheral surface of the pipeline, the top of the threaded sleeve is rotationally connected with a mounting seat, the top of the mounting seat is horizontally provided with a wiring seat, the top of the wiring seat is transversely provided with an explosion-proof shell, one side of the explosion-proof shell is embedded with the transmitter, the top of the explosion-proof shell is vertically inserted with a first air pipe, the inner wall of the top of the first air pipe is horizontally provided with a first cross mounting frame, a first rotating rod is vertically rotationally inserted into the center position of the first cross mounting frame, and the top of the first rotating rod is provided with an exhaust assembly. According to the utility model, through the cooperation of the arranged linkage air supply assembly and the exhaust assembly, the air after heat exchange can be rapidly exhausted, a reasonable air duct is constructed by utilizing the physical characteristics of heat expansion and cold contraction, and the explosion-proof effect is improved.

Description

Explosion-proof shell of temperature transmitter

Technical Field

The utility model relates to the technical field of temperature transmitters, in particular to an explosion-proof shell of a temperature transmitter.

Background

The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, converts a physical measurement signal or a common electric signal into a standard electric signal or equipment which can be output in a communication protocol mode, and converts a temperature variable into a transmissible standardized output signal.

However, from the condition of the currently used temperature transmitter, most of the temperature transmitters are visual electronic instrument transmitters, the temperature of equipment running in real time is monitored in real time by the transmitters, so that operators can observe and maintain the temperature conveniently, but the visual electronic instrument transmitters are easy to radiate at high temperature during high-temperature operation, the main body of the transmitter can be damaged in the long time, and even the electronic components can be instant exploded due to short circuit of wires, so that considerable potential safety hazards exist, and in order to improve the safety, an explosion-proof shell of the temperature transmitter is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an explosion-proof shell of a temperature transmitter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an explosion-proof casing of temperature transmitter, includes the pipeline, the vertical screw sleeve that inserts in pipeline outer peripheral face top, screw sleeve lower part outer peripheral face thread bush is equipped with fastening nut, fastening nut threaded connection is in pipeline outer peripheral face top, screw sleeve top rotates and is connected with the mount pad, mount pad top level is equipped with the connection terminal, the connection terminal top transversely is equipped with explosion-proof shell, explosion-proof shell one side inlays and is equipped with the transmitter, explosion-proof shell top vertical cartridge has first tuber pipe, first tuber pipe top inner wall level is equipped with first cross mounting bracket, first cross mounting bracket central point department vertical rotation is inserted and is equipped with first bull stick, first bull stick top is equipped with exhaust subassembly, explosion-proof shell top is kept away from transmitter one end and is equipped with control first dwang pivoted drive assembly, explosion-proof shell outer peripheral face is close to the equal level of first tuber pipe both sides and is inserted and is equipped with the second tuber pipe, the inside air supply subassembly that is equipped with of second tuber pipe.

Preferably, the driving assembly comprises a micro motor horizontally arranged at the top of the outer peripheral surface of the explosion-proof shell and far away from one end of the transmitter, a worm is coaxially connected to one end of the output shaft of the micro motor, which is close to the first air pipe, a worm wheel is meshed with one side of the worm, which is positioned at the inner position of the first air pipe, and the worm wheel is coaxially sleeved on the outer peripheral surface of the first rotating rod.

Preferably, the exhaust assembly comprises an exhaust fan coaxially and horizontally arranged at the top of the first rotating rod.

Further, linkage air supply subassembly is including the first mounting bracket of all vertical locating second tuber pipe inner wall, the equal horizontal rotation in first mounting bracket central point department is inserted and is equipped with the second bull stick, the second bull stick is kept away from explosion-proof shell one end and is all coaxial the suction fan that is equipped with, second bull stick is kept away from suction fan one end and is connected with control second bull stick pivoted joint driving structure.

Still further, the joint driving structure comprises second bevel gears which are coaxially arranged at one end of the second rotating rod far away from the suction fan, the top of each second bevel gear is horizontally meshed with the same first bevel gear, and the first bevel gears are coaxially sleeved on the outer circumferential surface of the bottom end of each first rotating rod.

Preferably, a thermal resistor is inserted in the center of the threaded sleeve, the bottom end of the thermal resistor extends into the pipeline, the top of the thermal resistor is connected with a transmitter, and the transmitter and the wire holder are electrically connected.

The beneficial effects of the utility model are as follows:

1. through the mutual cooperation between the driving assembly and the exhaust assembly, external cold air can be sucked into the explosion-proof shell and the temperature of the transmitter is reduced, so that the temperature of the transmitter is effectively reduced, and the transmitter is prevented from generating faults;

2. the air inlet quantity and speed inside the explosion-proof shell can be effectively improved through the combination driving structure and the linkage air supply assembly, the cooling speed of the transmitter is further improved, and the use safety of the transmitter is further improved;

3. through the cooperation of linkage air supply subassembly and the exhaust subassembly that sets up use for the air after carrying out the heat exchange can be discharged fast, utilizes its physical properties of expend with heat and contract with cold to construct reasonable wind channel, improves explosion-proof effect.

Drawings

FIG. 1 is a schematic perspective view of an explosion-proof housing of a temperature transmitter according to the present utility model;

FIG. 2 is a schematic diagram of an inner structure of an explosion-proof housing of a temperature transmitter according to the present utility model;

FIG. 3 is a schematic diagram of a driving assembly of an explosion-proof housing of a temperature transmitter according to the present utility model;

fig. 4 is a schematic diagram of a combined driving structure of an explosion-proof housing of a temperature transmitter according to the present utility model.

In the figure: 1. a pipe; 2. a fastening nut; 3. a threaded sleeve; 4. a mounting base; 5. a wire holder; 6. an explosion-proof housing; 7. a transmitter; 8. thermal resistance; 9. a first air duct; 10. a first cross mounting bracket; 11. a first rotating lever; 12. an exhaust fan; 13. a first bevel gear; 14. a second bevel gear; 15. a second rotating rod; 16. a second mounting bracket; 17. a second air duct; 18. a suction fan; 19. a micro motor; 20. a worm; 21. a worm wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, refer to fig. 1 through 4, a temperature transmitter explosion-proof housing, including pipeline 1, pipeline 1 outer peripheral face top vertical cartridge is equipped with screw sleeve 3, screw sleeve 3 lower part outer peripheral face thread bush is equipped with fastening nut 2, fastening nut 2 threaded connection is at pipeline 1 outer peripheral face top, screw sleeve 3 top rotates and is connected with mount pad 4, mount pad 4 top level is equipped with wiring seat 5, wiring seat 5 top transversely is equipped with explosion-proof housing 6, explosion-proof housing 6 one side inlays and is equipped with changer 7, explosion-proof housing 6 top vertical cartridge has first tuber pipe 9, first tuber pipe 9 top inner wall level is equipped with first cross mounting bracket 10, first cross mounting bracket 10 central point department vertical rotation cartridge has first transfer lever 11, first transfer lever 11 top is equipped with exhaust subassembly, explosion-proof housing 6 top is kept away from changer 7 one end and is equipped with the drive assembly of control first transfer lever 11 pivoted, explosion-proof housing 6 outer peripheral face is close to first tuber pipe 9 both sides all level cartridge has second tuber pipe 17, the inside linkage air supply subassembly that is equipped with of second tuber pipe 17.

In this embodiment, the drive assembly includes the micro motor 19 that explosion-proof housing 6 outer peripheral face top kept away from the one end of changer 7 is located to the level, micro motor 19 output shaft is close to first tuber pipe 9 one end coaxial coupling and has worm 20, worm 20 is located the inside position department one side meshing of first tuber pipe 9 and has worm wheel 21, worm wheel 21 coaxial sleeve locates first bull stick 11 outer peripheral face, exhaust assembly includes the exhaust fan 12 that first bull stick 11 top was located to coaxial level, linkage air supply assembly is including all vertical the second setting up the second tuber pipe 17 inner wall's the first setting up frame 16 of the level, the equal horizontal rotation in second setting up frame 16 central point department of second bull stick 15, second bull stick 15 is kept away from explosion-proof housing 6 one end and is all coaxial to be equipped with the suction fan 18, second bull stick 15 is kept away from the one end of suction fan 18 and is connected with the joint driving structure that controls second bull stick 15 rotation, joint driving structure is including all coaxial setting up second bull stick 14 of second bull stick 15 one end, second bull stick 14 top horizontal meshing has same first bull stick 13, first bull stick 13 coaxial sleeve locates first bull stick 11 bottom outer peripheral face, screw thread 3 central point department inserts and is equipped with first bull stick 8, the inside the resistance 8 gets into the inside resistance 8 of pipe 7 and the wire holder is connected with the top of thermal power generator 7, the top 7 is connected with the electric connection.

The working principle of the embodiment is as follows: when in use, the threaded sleeve 3 is connected with the thermal resistor 8 to penetrate into the pipeline 1, the fastening nut 2 is rotated until the fastening nut 2 and the pipeline 1 are firmly connected with each other, then the direction of the transmitter 7 is fixed by adjusting the angle of the mounting seat 4, then the wiring harness is connected with the transmitter 7 through the wiring seat 5, the thermal resistor 8 transmits the temperature to the transmitter 7 and converts the temperature information into a digital signal for transmission, the transmitter 7 is easy to be radiated by high temperature during high-temperature operation, the main body of the transmitter 7 is damaged or even exploded over time, the main body of the transmitter 7 is required to be sheathed with the explosion-proof shell 6, the inside of the explosion-proof shell 6 is cooled to a certain degree, the micro motor 19 is started when the transmitter 7 operates, the output shaft of the micro motor 19 drives the worm 20 to rotate, the worm 20 drives the worm wheel 21 to rotate simultaneously when rotating, the worm wheel 21 drives the exhaust fan 12 to rotate through the cooperation of the first cross mounting frame 10 and the first rotating rod 11, the exhaust fan 12 sucks external cold air into the transmitter 7 through the second air pipe 17 to cool and exhaust the cold air through the first air pipe 9 when working, the method utilizes the principle of thermal expansion and contraction of air, the air after thermal exchange expands and floats automatically, therefore, the heat dissipation effect is optimal, the first bevel gear 13 at the bottom drives the second bevel gear 14 to rotate simultaneously when the first rotating rod 11 rotates, the second bevel gear 14 drives the second rotating rod 15 to rotate through the cooperation of the second cross mounting frame 16, and the second rotating rod 15 drives the suction fan 18 to rotate simultaneously and suck cold air from two sides of the explosion-proof shell 6, the air supply efficiency is improved, and the heat dissipation effect is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an explosion-proof casing of temperature transmitter, includes pipeline (1), its characterized in that, the vertical screw sleeve (3) that inserts in pipeline (1) outer peripheral face top, screw sleeve (3) lower part outer peripheral face thread bush is equipped with fastening nut (2), fastening nut (2) threaded connection is at pipeline (1) outer peripheral face top, screw sleeve (3) top rotates and is connected with mount pad (4), mount pad (4) top level is equipped with connection terminal (5), connection terminal (5) top transversely is equipped with explosion-proof shell (6), explosion-proof shell (6) one side inlays and is equipped with changer (7), explosion-proof shell (6) top is vertical to be inserted and is equipped with first tuber pipe (9), first tuber pipe (9) top inner wall level is equipped with first cross mounting bracket (10), first cross mounting bracket (10) central point department vertical rotation is inserted and is equipped with first transfer line (11), first bull stick (11) are kept away from ware (7) one end and are equipped with control first transfer line (11) pivoted drive assembly, explosion-proof shell (6) top is equipped with second tuber pipe (17) and is equipped with the linkage of both sides and is equipped with first tuber pipe (17) and is equipped with the inside of second tuber pipe (17).

2. The explosion-proof housing of a temperature transmitter according to claim 1, wherein the driving assembly comprises a micro motor (19) horizontally arranged at the top of the outer peripheral surface of the explosion-proof housing (6) and far away from one end of the transmitter (7), one end, close to the first air pipe (9), of an output shaft of the micro motor (19) is coaxially connected with a worm (20), one side, located at the inner position of the first air pipe (9), of the worm (20) is meshed with a worm wheel (21), and the worm wheel (21) is coaxially sleeved on the outer peripheral surface of the first rotating rod (11).

3. The explosion-proof housing of a temperature transmitter according to claim 2, wherein the exhaust assembly comprises an exhaust fan (12) coaxially and horizontally disposed on top of the first rotating rod (11).

4. The explosion-proof housing of a temperature transmitter according to claim 3, wherein the linkage air supply assembly comprises a second bracket (16) which is vertically arranged on the inner wall of the second air pipe (17), a second rotating rod (15) is horizontally inserted in the center position of the second bracket (16) in a rotating manner, a suction fan (18) is coaxially arranged at one end, far away from the explosion-proof housing (6), of the second rotating rod (15), and a joint driving structure for controlling the rotation of the second rotating rod (15) is connected at one end, far away from the suction fan (18), of the second rotating rod (15).

5. The explosion-proof housing of a temperature transmitter according to claim 4, wherein the combined driving structure comprises a second bevel gear (14) which is coaxially arranged at one end of a second rotating rod (15) far away from a suction fan (18), the top of the second bevel gear (14) is horizontally meshed with a same first bevel gear (13), and the first bevel gear (13) is coaxially sleeved on the outer circumferential surface of the bottom end of the first rotating rod (11).

6. The explosion-proof housing of a temperature transmitter according to claim 5, wherein a thermal resistor (8) is inserted in the center of the threaded sleeve (3), the bottom end of the thermal resistor (8) extends into the pipe (1), the top of the thermal resistor (8) is connected with the transmitter (7), and the transmitter (7) is electrically connected with the wire holder (5).