CN220120288U - Explosion-proof manometer - Google Patents
Explosion-proof manometer Download PDFInfo
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- CN220120288U CN220120288U CN202321461787.2U CN202321461787U CN220120288U CN 220120288 U CN220120288 U CN 220120288U CN 202321461787 U CN202321461787 U CN 202321461787U CN 220120288 U CN220120288 U CN 220120288U
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- explosion
- proof
- proof housing
- sealing groove
- singlechip
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims 2
- 238000004880 explosion Methods 0.000 description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an explosion-proof pressure gauge, which comprises a front explosion-proof shell; front explosion-proof shell: the inside mount that is provided with of it, be provided with the display screen in the mounting groove of mount inside, the front end of preceding explosion-proof housing is provided with the glass window, the rear end of preceding explosion-proof housing is provided with the flange dish, the rear end of flange dish has back explosion-proof housing through bolted connection, the inside of back explosion-proof housing is provided with singlechip and battery respectively, connector department on the outer cambered surface of preceding explosion-proof housing is provided with the connecting cylinder, the inside of connecting cylinder is provided with pressure sensor, the wire hole department on the outer cambered surface of back explosion-proof housing is provided with explosion-proof joint, the output of battery is connected to the input electricity of singlechip, the input of singlechip is connected to pressure sensor's output electricity, this explosion-proof manometer, whole sealing performance is better, the inside of outside ignition source difficult entering manometer, explosion-proof performance is better, it is safer to use.
Description
Technical Field
The utility model relates to the technical field of pressure gauges, in particular to an explosion-proof pressure gauge.
Background
The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very common in application, and almost extends to all industrial processes and scientific research fields. Is widely visible in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like. Explosion protection refers to the fact that the explosion protection device can resist the impact force and heat of explosion and still work normally without loss, namely explosion protection, the generation of explosion protection is considered from three necessary conditions, namely, ignition point, combustion-supporting gas and combustible substances, one of the necessary conditions is limited, the generation of explosion is limited, and the structure of the explosion protection standard is as follows: flameproof, safety-increasing, positive pressure, sand-filling, intrinsically safe and oil-filling. Most of the existing pressure gauges have simple sealing structures, the connection parts of the pressure gauges and the pipelines are sealed through rubber gaskets, but the single-layer sealing effect is poor, when the pressure gauges work in an environment where an ignition source is easy to generate, the external ignition source easily enters the pressure gauges from the connection parts of the pressure gauges and the pipelines and the gaps of the shells of the pressure gauges and the interiors of the pipelines, explosion can be caused when the pressure gauges and the pipelines are severe, and the use safety is low.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the explosion-proof pressure gauge which has good overall sealing performance, an external ignition source is not easy to enter the pressure gauge, the explosion-proof performance is good, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an explosion-proof pressure gauge comprises a front explosion-proof shell;
front explosion-proof shell: the inside mount that is provided with of it, be provided with the display screen in the mounting groove of mount inside, the front end of preceding explosion-proof housing is provided with the glass window, the rear end of preceding explosion-proof housing is provided with the flange dish, the rear end of flange dish has back explosion-proof housing through bolted connection, the inside of back explosion-proof housing is provided with singlechip and battery respectively, connector department on the outer cambered surface of preceding explosion-proof housing is provided with the connecting cylinder, the inside of connecting cylinder is provided with pressure sensor, the wire hole department on the outer cambered surface of back explosion-proof housing is provided with explosion-proof joint, the output of battery is connected to the input electricity of singlechip, the input of singlechip is connected to the input electricity of pressure sensor, the output of singlechip is connected to the input electricity of display screen, whole sealing performance is better, the inside of outside ignition source difficult entering manometer, explosion-proof performance is better, it is safer to use.
Further, the inside of back explosion-proof casing is provided with wireless signal transmitter, and the output of singlechip can be sent to the pressure value to wireless signal transmitter's input electricity.
Further, the first sealing groove is formed in the connecting flange plate, and the first rubber sealing gasket is arranged in the first sealing groove, so that the tightness of the front explosion-proof shell and the rear explosion-proof shell during installation is ensured.
Further, the outer cambered surface downside of connecting cylinder is provided with the external screw thread, and the outer cambered surface upside cover of connecting cylinder is equipped with an internal thread section of thick bamboo, and an internal thread section of thick bamboo is installed with the external screw thread cooperation, and the outer cambered surface downside cover of connecting cylinder is equipped with the clamp plate, and seal groove two has been seted up to the lower extreme of clamp plate, and seal groove two's inside is provided with rubber seal and fills up two, and an internal thread section of thick bamboo is installed with the clamp plate cooperation, can seal the interface department of connecting cylinder.
Further, the sealing groove III is formed in the lower side of the inner portion of the internal thread cylinder, the rubber sealing gasket III is arranged at the upper end of the pressing plate, and the sealing groove III and the rubber sealing gasket III are installed in a matched mode to seal the internal thread cylinder.
Further, the upper side of the outer arc surface of the internal thread cylinder is provided with a fixed ring, and the outer arc surface of the fixed ring is symmetrically provided with connecting columns, so that the internal thread cylinder can be rotated conveniently.
Further, the sealing groove IV is formed in the upper side of the inside of the connecting cylinder, and the rubber sealing gasket IV is arranged in the sealing groove IV, so that the sealing effect of the connecting cylinder is ensured.
Compared with the prior art, the utility model has the beneficial effects that: the explosion-proof pressure gauge has the following advantages:
through setting up seal groove one and rubber seal pad one, the leakproofness when having guaranteed preceding explosion-proof housing and back explosion-proof housing installation, rotate the internal thread section of thick bamboo through solid fixed ring and spliced pole, make internal thread section of thick bamboo move down and external screw thread threaded connection, extrude the clamp plate when the internal thread section of thick bamboo moves down, thereby make rubber seal pad two hug closely with outside pipeline, the internal thread section of thick bamboo moves down and extrudees rubber seal pad three, the leakproofness of internal thread section of thick bamboo has been ensured, thereby carry out multiple seal to the junction of spliced pole, prevent that outside ignition source from getting into manometer and outside pipeline inside from the junction of spliced pole, through setting up seal groove four and rubber seal pad four, can carry out further sealedly to the upside junction of spliced pole, through setting up explosion-proof joint, can carry out the flameproof treatment to the play line hole department on the explosion-proof housing outer cambered surface of back, and then improved the whole sealing performance of this manometer, make outside ignition source be difficult for getting into the inside of manometer, the explosion-proof performance of this manometer has been improved, and use is safer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;
fig. 5 is an enlarged schematic view of the structure of the present utility model at C.
In the figure: the anti-explosion device comprises a front anti-explosion shell, a 2 fixing frame, a 3 display screen, a 4 glass window, a 5 connecting flange plate, a 6 rear anti-explosion shell, a 7 single chip microcomputer, an 8 storage battery, a 9 connecting cylinder, a 10 pressure sensor, an 11 wireless signal transmitter, a 12 sealing groove I, a 13 rubber sealing gasket I, 14 external threads, a 15 internal thread cylinder, a 16 pressing plate, a 17 sealing groove II, a 18 rubber sealing gasket II, a 19 sealing groove III, a 20 rubber sealing gasket III, a 21 fixing ring, a 22 connecting column, a 23 sealing groove IV and a 24 rubber sealing gasket IV.
Description of the embodiments
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present embodiment provides a technical solution: an explosion-proof pressure gauge comprises a front explosion-proof shell 1;
front explosion-proof housing 1: the inside of the front explosion-proof housing is provided with a fixing frame 2, a display screen 3 is arranged in a mounting groove in the fixing frame 2, the front end of the front explosion-proof housing 1 is provided with a glass window 4, the rear end of the front explosion-proof housing 1 is provided with a connecting flange 5, the rear end of the connecting flange 5 is connected with a rear explosion-proof housing 6 through bolts, the inside of the rear explosion-proof housing 6 is respectively provided with a singlechip 7 and a storage battery 8, a connecting cylinder 9 is arranged at a connecting port on the outer cambered surface of the front explosion-proof housing 1, a pressure sensor 10 is arranged in the connecting cylinder 9, an explosion-proof joint is arranged at a wire outlet on the outer cambered surface of the rear explosion-proof housing 6, the input end of the singlechip 7 is electrically connected with the output end of the storage battery 8, the output end of the pressure sensor 10 is electrically connected with the input end of the singlechip 7, the input end of the display screen 3 is electrically connected with the output end of the singlechip 7, the inside of the rear explosion-proof shell 6 is provided with a wireless signal transmitter 11, the input end of the wireless signal transmitter 11 is electrically connected with the output end of the single chip microcomputer 7, when in use, the pressure gauge is installed to the corresponding position of an external pipeline through the connecting cylinder 9 and the external thread 14, so that fluid to be measured is contacted with the pressure sensor 10 through the connecting cylinder 9, the pressure sensor 10 detects the pressure of the fluid and sends the detection result to the single chip microcomputer 7, the single chip microcomputer 7 sends the pressure value to the display screen 3 to display the pressure value, meanwhile, the single chip microcomputer 7 sends the pressure value to the wireless signal transmitter 11, and the pressure value is sent to an external receiving device through the wireless signal transmitter 11, so that the pressure measurement work can be carried out, and the use is convenient;
wherein: a first sealing groove 12 is formed in the connecting flange 5, a first rubber sealing gasket 13 is arranged in the first sealing groove 12, an external thread 14 is arranged on the lower side of the outer cambered surface of the connecting cylinder 9, an internal thread cylinder 15 is sleeved on the upper side of the outer cambered surface of the connecting cylinder 9, the internal thread cylinder 15 is matched with the external thread 14, a pressing plate 16 is sleeved on the lower side of the outer cambered surface of the connecting cylinder 9, a second sealing groove 17 is formed in the lower end of the pressing plate 16, a second rubber sealing gasket 18 is arranged in the second sealing groove 17, the internal thread cylinder 15 is matched with the pressing plate 16, a third sealing groove 19 is formed in the lower side of the inner part of the internal thread cylinder 15, a third rubber sealing gasket 20 is arranged in the upper end of the pressing plate 16, the third sealing groove 19 is matched with the third rubber sealing gasket 20, a fixed ring 21 is arranged on the upper side of the outer cambered surface of the internal thread cylinder 15, connecting columns 22 are symmetrically arranged on the outer cambered surface of the fixed ring 21, a fourth sealing groove 23 is formed in the upper side of the inner part of the connecting cylinder 9, the rubber gasket IV 24 is arranged in the sealing groove IV 23, the front explosion-proof shell 1 and the rear explosion-proof shell 6 are arranged, the internal components of the pressure gauge can be subjected to primary explosion-proof protection, the sealing property of the front explosion-proof shell 1 and the rear explosion-proof shell 6 during installation is ensured by arranging the sealing groove IV 12 and the rubber gasket IV 13, the internal thread cylinder 15 is rotated through the fixing ring 21 and the connecting column 22, the internal thread cylinder 15 is downwards moved to be in threaded connection with the external thread 14, the pressing plate 16 is pressed when the internal thread cylinder 15 downwards moves, the rubber gasket IV 18 is tightly attached to an external pipeline, the internal thread cylinder 15 downwards moves to press the rubber gasket IV 20, the tightness of the internal thread cylinder 15 is ensured, the joint of the connecting cylinder 9 is subjected to multiple sealing, and an external ignition source is prevented from entering the pressure gauge and the interior of an external pipeline from the joint of the connecting cylinder 9, through setting up seal groove four 23 and four 24 of rubber seal pad, can further seal the upside junction of connecting tube 9, through setting up explosion-proof joint, can carry out the flameproof treatment to the wire hole department on the outer cambered surface of back explosion-proof housing 6, and then improved the whole sealing performance of this manometer for the inside of outside ignition source difficult entering manometer has improved the explosion-proof performance of this manometer, uses safelyr.
The working principle of the explosion-proof pressure gauge provided by the utility model is as follows: when in use, the pressure gauge is arranged at the corresponding position of an external pipeline through the connecting cylinder 9 and the external thread 14, so that fluid to be measured is contacted with the pressure sensor 10 through the connecting cylinder 9, the pressure sensor 10 detects the pressure of the fluid and sends the detection result to the singlechip 7, the singlechip 7 sends the pressure value to the display screen 3 to display the pressure value, meanwhile, the singlechip 7 sends the pressure value to the wireless signal transmitter 11, the wireless signal transmitter 11 sends the pressure value to external receiving equipment, thus pressure measurement work can be carried out, the pressure gauge is convenient to use, the internal components of the pressure gauge can be subjected to primary explosion-proof protection through arranging the front explosion-proof shell 1 and the rear explosion-proof shell 6, the sealing property of the front explosion-proof shell 1 and the rear explosion-proof shell 6 during installation is ensured through arranging the sealing groove I12 and the rubber sealing gasket I13, the internal thread cylinder 15 is rotated through the fixed ring 21 and the connecting column 22, the internal thread cylinder 15 moves downwards to be in threaded connection with the external thread 14, the pressing plate 16 is extruded when the internal thread cylinder 15 moves downwards, so that the second rubber sealing gasket 18 is tightly attached to an external pipeline, the third rubber sealing gasket 20 is extruded when the internal thread cylinder 15 moves downwards, the tightness of the internal thread cylinder 15 is ensured, the joint of the connecting cylinder 9 is sealed in multiple, an external ignition source is prevented from entering the pressure gauge and the external pipeline from the joint of the connecting cylinder 9, the joint of the upper side of the connecting cylinder 9 can be further sealed through the arrangement of the sealing groove IV 23 and the rubber sealing gasket IV 24, explosion-proof treatment can be carried out on the wire outlet hole on the outer cambered surface of the rear explosion-proof shell 6 through the arrangement of the explosion-proof joint, the integral sealing performance of the pressure gauge is further improved, the external ignition source is not easy to enter the pressure gauge, the explosion-proof performance of the pressure gauge is improved, and the pressure gauge is safer to use.
It should be noted that, the display screen 3 disclosed in the above embodiment may be JLX200-017-PC, the single chip microcomputer 7 may be STC15F102W-35I-SOP8, the pressure sensor 10 may be MIK-P300, the wireless signal transmitter 11 may be RF-96-ST, and the single chip microcomputer 7 controls the operation of the display screen 3, the pressure sensor 10 and the wireless signal transmitter 11 by methods commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An explosion-proof manometer, its characterized in that: comprises a front explosion-proof shell (1);
front explosion-proof housing (1): the inside mount (2) that is provided with of it, be provided with display screen (3) in the mounting groove of mount (2) inside, the front end of preceding explosion-proof housing (1) is provided with glass window (4), the rear end of preceding explosion-proof housing (1) is provided with flange dish (5), the rear end of flange dish (5) has back explosion-proof housing (6) through bolted connection, the inside of back explosion-proof housing (6) is provided with singlechip (7) and battery (8) respectively, connector department on the extrados of preceding explosion-proof housing (1) is provided with connecting cylinder (9), the inside of connecting cylinder (9) is provided with pressure sensor (10), the wire hole department on the extrados of back explosion-proof housing (6) is provided with explosion-proof joint, the output of battery (8) is connected to the input of singlechip (7) is connected to the input of pressure sensor (10), the output of singlechip (7) is connected to the input of display screen (3) electricity.
2. An explosion-proof pressure gauge according to claim 1, wherein: the inside of back explosion-proof casing (6) is provided with wireless signal transmission ware (11), and the output of singlechip (7) is connected to the input of wireless signal transmission ware (11).
3. An explosion-proof pressure gauge according to claim 1, wherein: a first sealing groove (12) is formed in the connecting flange plate (5), and a first rubber sealing gasket (13) is arranged in the first sealing groove (12).
4. An explosion-proof pressure gauge according to claim 1, wherein: the connecting tube is characterized in that an external thread (14) is arranged on the lower side of the external cambered surface of the connecting tube (9), an internal thread tube (15) is sleeved on the upper side of the external cambered surface of the connecting tube (9), the internal thread tube (15) is matched with the external thread (14) for installation, a pressing plate (16) is sleeved on the lower side of the external cambered surface of the connecting tube (9), a second sealing groove (17) is formed in the lower end of the pressing plate (16), a second rubber sealing gasket (18) is arranged in the second sealing groove (17), and the internal thread tube (15) is matched with the pressing plate (16).
5. An explosion-proof pressure gauge according to claim 4, wherein: a third sealing groove (19) is formed in the lower side of the inner portion of the inner threaded cylinder (15), a third rubber sealing gasket (20) is arranged at the upper end of the pressing plate (16), and the third sealing groove (19) and the third rubber sealing gasket (20) are installed in a matched mode.
6. An explosion-proof pressure gauge according to claim 4, wherein: the upper side of the outer arc surface of the internal thread cylinder (15) is provided with a fixed ring (21), and the outer arc surface of the fixed ring (21) is symmetrically provided with connecting columns (22).
7. An explosion-proof pressure gauge according to claim 1, wherein: a fourth sealing groove (23) is formed in the upper side of the inside of the connecting cylinder (9), and a fourth rubber sealing gasket (24) is arranged in the fourth sealing groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461787.2U CN220120288U (en) | 2023-06-09 | 2023-06-09 | Explosion-proof manometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461787.2U CN220120288U (en) | 2023-06-09 | 2023-06-09 | Explosion-proof manometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120288U true CN220120288U (en) | 2023-12-01 |
Family
ID=88893629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321461787.2U Active CN220120288U (en) | 2023-06-09 | 2023-06-09 | Explosion-proof manometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120288U (en) |
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2023
- 2023-06-09 CN CN202321461787.2U patent/CN220120288U/en active Active
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