CN217586143U - Explosion-proof pressure gauge - Google Patents
Explosion-proof pressure gauge Download PDFInfo
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- CN217586143U CN217586143U CN202221649230.7U CN202221649230U CN217586143U CN 217586143 U CN217586143 U CN 217586143U CN 202221649230 U CN202221649230 U CN 202221649230U CN 217586143 U CN217586143 U CN 217586143U
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Abstract
The utility model relates to the technical field of gas cylinder detection pressure gauges, and discloses an explosion-proof pressure gauge, which comprises a gauge body and an inflator; the bottom of the meter body is provided with an air pipe which is communicated with the meter body, the outer wall of one side of the air pipe is fixedly provided with a branch pipe, the outer end of the branch pipe is fixedly provided with an air cylinder, and the two ends of the branch pipe are respectively communicated with the air pipe and the air cylinder; the inside slidable mounting of inflator has sealed piston, and sealed piston bottom just is located the inflator and has placed the spring, and the demountable installation has the access cover bottom the inflator. The utility model discloses technical scheme can get into the whistle through the blast pipe gas when exhausting, can blow the whistle this moment, and gas sensor will detect gaseous entering when gaseous entering blast pipe simultaneously, but automatic control warning light lights afterwards, utilizes whistle and warning light to play the warning effect in vision and the sense of hearing this moment, reminds staff's pressure to reach the biggest bearing capacity of the table body to can be timely make corresponding operation, improve the security and the reliability that the gas cylinder detected.
Description
Technical Field
The utility model relates to a gas cylinder detects manometer technical field, specifically is an explosion-proof pressure gauge.
Background
The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, the application is very common, the pressure gauge almost covers all the fields of industrial processes and scientific researches, a gas cylinder is generally a movable pressure container filled with gas, the gas tightness detection is required during the production of the gas cylinder, and the pressure gauge is required to be arranged on the gas cylinder for pressure monitoring during the detection process. Through retrieval publication number (CN 209783812U), an explosion-proof pressure gauge is disclosed, and the technical field of instrument and instrument devices is related. The explosion-proof pressure gauge comprises a pressure gauge body, wherein an air inlet pipe is communicated with the bottom of the pressure gauge body, and a control box is welded on one side of the air inlet pipe.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: although this manometer can realize the protection to the table body with gas outgoing when pressure is great, but unable timely warning staff pressure has reached the maximum value of bearing, thereby the staff can't carry out corresponding operation the very first time, inner structure is complicated simultaneously, spring and sealing washer isotructure can't realize changing, long-term back spring of using must be because of tired influence elasticity size, its sealing washer also can be because of ageing the relatively poor condition of leakproofness that causes, need improve urgently, therefore, we propose an explosion-proof manometer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof pressure gauge has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof pressure gauge comprises a gauge body and an air cylinder;
the gas pipe is arranged at the bottom of the meter body and is communicated with the meter body, a branch pipe is fixedly arranged on the outer wall of one side of the gas pipe, an air cylinder is fixedly arranged at the outer end of the branch pipe, and two ends of the branch pipe are respectively communicated with the gas pipe and the air cylinder;
a sealing piston is slidably mounted in the inflator, a spring is arranged at the bottom of the sealing piston and in the inflator, an access cover is detachably mounted at the bottom of the inflator, and the bottom end of the spring is arranged in the access cover;
inflator outer wall below fixed mounting has the blast pipe, blast pipe outer end fixed mounting has the whistle, the blast pipe both ends communicate with inflator and whistle respectively, the gas sensor is installed to the blast pipe internally mounted, inflator outer wall just is located blast pipe top fixed mounting and has the warning light.
As an alternative scheme of the technical scheme, the outer wall below the air pipe is integrally formed with a threaded connector.
As an alternative scheme of this application technical scheme, the trachea outer wall is installed the hexagonal head, just hexagonal head fixed mounting is in the trachea outer wall.
As an optional scheme of this application technical scheme, the cover is put and is installed rubber lag outside the table body.
As an alternative scheme of this application, the external screw thread has been seted up to inflator below outer wall, the internal thread has been seted up to access cover inner wall, internal thread and external screw thread rotary engagement.
As an optional scheme of this application technical scheme, the inside demountable installation of access cover has rubber seal.
As an alternative scheme of this application technical scheme, inflator front end fixed mounting has the battery case, demountable installation has the battery in the battery case.
As an alternative scheme of the technical scheme, the top end of the inflator is fixedly provided with the single chip microcomputer.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this application technical scheme can be gaseous entering whistle when exhausting through the blast pipe, can blow the whistle this moment, gaseous gas sensor will detect gaseous entering when getting into the blast pipe simultaneously, but automatic control warning light lights afterwards, utilize whistle and warning light to play the warning effect in vision and the sense of hearing this moment, remind the staff pressure to reach the biggest bearing capacity of the table body, thereby can be timely make corresponding operation, improve the security and the reliability that the gas cylinder detected.
2. This application technical scheme is located the dismouting work that the rotation can accomplish the access cover on the external screw thread through the internal thread, and the change of the spring and sealing piston of can being convenient for through the free dismouting of access cover avoids the fatigue influence elasticity of spring, also can prevent the not enough problem that can't change of sealing piston leakproofness.
3. This application technical scheme can make the table body play the effect of preventing colliding with through the rubber lag to avoid because of colliding with the burst that causes, thereby prevent the damage that causes in the transportation.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the explosion-proof pressure gauge of the present invention;
FIG. 2 is a schematic view of a cross-sectional structure of an inflator of an explosion-proof pressure gauge of the present invention;
FIG. 3 is a schematic view showing a disassembled structure of an access cover and an inflator of an explosion-proof pressure gauge of the present invention;
fig. 4 is a schematic view of the overlooking structure of the access cover of the explosion-proof pressure gauge of the present invention.
In the figure: 1. a watch body; 2. an air tube; 3. a hexagonal head; 4. a branch pipe; 5. an air cylinder; 6. an access cover; 7. an exhaust pipe; 8. a whistle; 9. a threaded joint; 10. a warning light; 11. a single chip microcomputer; 12. a battery case; 13. a rubber protective sleeve; 14. a sealing piston; 15. a spring; 16. a gas sensor; 17. an external thread; 18. a rubber seal ring; 19. an internal thread.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: an explosion-proof pressure gauge comprises a gauge body 1 and an air cylinder 5;
the bottom of the meter body 1 is provided with an air pipe 2, the air pipe 2 is communicated with the meter body 1, the outer wall of one side of the air pipe 2 is fixedly provided with a branch pipe 4, the outer end of the branch pipe 4 is fixedly provided with an air cylinder 5, and two ends of the branch pipe 4 are respectively communicated with the air pipe 2 and the air cylinder 5;
a sealing piston 14 is slidably arranged in the air cylinder 5, a spring 15 is arranged at the bottom of the sealing piston 14 and in the air cylinder 5, an access cover 6 is detachably arranged at the bottom of the air cylinder 5, and the bottom end of the spring 15 is arranged in the access cover 6;
in this kind of technical scheme, can be convenient for the change of spring 15 and sealing piston 14 through the free dismouting of access cover 6, avoid the tired influence elasticity of spring 15, also can prevent the not enough problem of unable change of sealing piston 14 leakproofness.
An exhaust pipe 7 is fixedly arranged below the outer wall of the air cylinder 5, a whistle 8 is fixedly arranged at the outer end of the exhaust pipe 7, two ends of the exhaust pipe 7 are respectively communicated with the air cylinder 5 and the whistle 8, a gas sensor 16 is arranged inside the exhaust pipe 7, and a warning lamp 10 is fixedly arranged on the outer wall of the air cylinder 5 and above the exhaust pipe 7.
In this kind of technical scheme, can be gaseous entering whistle 8 when exhausting through blast pipe 7, can blow the whistle 8 this moment, gaseous entering 16 will detect gaseous entering when getting into blast pipe 7 simultaneously, but automatic control warning light 10 lights afterwards, utilize whistle 8 and warning light 10 can play the warning effect in vision and sense of hearing this moment, remind the staff pressure to reach the biggest bearing capacity of table body 1, thereby can be timely make corresponding operation, the security and the reliability that improve the gas cylinder and detect.
In some technical solutions, as shown in fig. 1, a threaded joint 9 is integrally formed on an outer wall of the lower portion of the air tube 2, and the gauge body 1 can be connected with a pressure gauge interface of the air bottle through the threaded joint 9.
In some technical schemes, as shown in fig. 1, the hexagonal head 3 is installed on the outer wall of the air pipe 2, and the hexagonal head 3 is fixedly installed on the outer wall of the air pipe 2, and the hexagonal head 3 can be installed by rotating the threaded connector 9 with the help of a wrench, so that the installation is firmer.
In some technical solutions, as shown in fig. 1, a rubber protecting sleeve 13 is sleeved on the outer side of the watch body 1, and the watch body 1 can have a collision-preventing effect through the rubber protecting sleeve 13, so as to avoid bursting caused by collision.
In some technical solutions, as shown in fig. 3 and 4, an external thread 17 is formed on an outer wall of a lower portion of the air cylinder 5, an internal thread 19 is formed on an inner wall of the access cover 6, the internal thread 19 is rotatably engaged with the external thread 17, and the access cover 6 can be disassembled and assembled by rotating the internal thread 19 on the external thread 17.
In some technical solutions, as shown in fig. 4, a rubber seal 18 is detachably mounted inside the access cover 6, and the rubber seal 18 can achieve a sealing effect when the access cover 6 is mounted.
In some technical solutions, as shown in fig. 1, a battery box 12 is fixedly installed at the front end of the gas cylinder 5, a battery is detachably installed in the battery box 12, and the gas sensor 16 and the warning light 10 can be powered by the battery in the battery box 12.
In some technical solutions, as shown in fig. 1 and 2, a single chip microcomputer 11 is fixedly installed at the top end of the air cylinder 5, the single chip microcomputer 11 can receive a signal of the gas sensor 16, and then the single chip microcomputer 11 can automatically control the warning light 10 to light up after receiving the signal.
When the gas explosion-proof gas cylinder is used, the meter body 1 can be connected with a pressure meter interface of the gas cylinder through the threaded connector 9, then the gas cylinder is inflated, the pressure value of the gas cylinder can be displayed through the meter body 1, the gas tightness of the gas cylinder can be known by observing the pressure change, the sealing piston 14 can gradually move downwards along with the gradual increase of the inflation pressure and extrude the spring 15, the sealing piston 14 can block the communication between the gas cylinder 5 and the exhaust pipe 7 under normal conditions, when the sealing piston 14 moves downwards to the exhaust pipe 7 to be communicated with the gas cylinder 5, the pressure on the surface spring 15 is the same as the maximum pressure born by the meter body 1, at the moment, the gas can be automatically exhausted, the meter body explosion caused by overlarge pressure is avoided, the explosion-proof effect is achieved, the gas can enter the whistle 8 through the exhaust pipe 7 during the exhaust, at the moment, the whistle 8 can be blown by high-pressure gas, meanwhile, when gas enters the exhaust pipe 7, the gas sensor 16 will detect the gas entering, then the gas sensor 16 can send a signal to the singlechip 11, the singlechip 11 can automatically control the warning lamp 10 to light after receiving the signal, at the moment, the whistle 8 and the warning lamp 10 can play a visual and auditory reminding effect to remind a worker that the pressure reaches the maximum bearing capacity of the watch body 1, so that corresponding operation can be timely performed, the safety and the reliability of gas cylinder detection are improved, the gas sensor 16 and the warning lamp 10 can be powered by a battery in the battery box 12, the watch body 1 can play a collision prevention effect by the rubber protective sleeve 13, so that the explosion caused by collision is avoided, the dismounting and mounting work of the access cover 6 can be completed by the fact that the internal thread 19 is positioned on the external thread 17 to rotate, and the replacement of the spring 15 and the sealing piston 14 can be facilitated by the free dismounting and mounting of the access cover 6, the problem that the elasticity is influenced by fatigue of the spring 15 and the sealing piston 14 is insufficient in sealing property and cannot be replaced is solved.
Claims (8)
1. An explosion-proof pressure gauge, characterized in that: comprises a watch body (1) and an air cylinder (5);
the gas meter is characterized in that a gas pipe (2) is installed at the bottom of the meter body (1), the gas pipe (2) is communicated with the meter body (1), a branch pipe (4) is fixedly installed on the outer wall of one side of the gas pipe (2), an air cylinder (5) is fixedly installed at the outer end of the branch pipe (4), and two ends of the branch pipe (4) are respectively communicated with the gas pipe (2) and the air cylinder (5);
a sealing piston (14) is slidably mounted in the inflator (5), a spring (15) is arranged at the bottom of the sealing piston (14) and in the inflator (5), an access cover (6) is detachably mounted at the bottom of the inflator (5), and the bottom end of the spring (15) is arranged in the access cover (6);
inflator (5) outer wall below fixed mounting has blast pipe (7), blast pipe (7) outer end fixed mounting has whistle (8), blast pipe (7) both ends communicate with inflator (5) and whistle (8) respectively, blast pipe (7) internally mounted has gas sensor (16), inflator (5) outer wall just is located blast pipe (7) top fixed mounting has warning light (10).
2. The explosion-proof pressure gauge according to claim 1, characterized in that a threaded joint (9) is integrally formed on the lower outer wall of the air pipe (2).
3. The explosion-proof pressure gauge according to claim 1, wherein the hexagonal head (3) is installed on the outer wall of the air pipe (2), and the hexagonal head (3) is fixedly installed on the outer wall of the air pipe (2).
4. The explosion-proof pressure gauge according to claim 1, characterized in that a rubber protective sleeve (13) is sleeved outside the gauge body (1).
5. The explosion-proof pressure gauge according to claim 1, wherein the outer wall of the lower part of the air cylinder (5) is provided with an external thread (17), the inner wall of the access cover (6) is provided with an internal thread (19), and the internal thread (19) is rotatably engaged with the external thread (17).
6. An explosion-proof pressure gauge according to claim 1, characterized in that a rubber sealing ring (18) is detachably mounted inside the access cover (6).
7. The explosion-proof pressure gauge according to claim 1, characterized in that a battery box (12) is fixedly installed at the front end of the air cylinder (5), and a battery is detachably installed in the battery box (12).
8. The explosion-proof pressure gauge according to claim 1, wherein a single chip microcomputer (11) is fixedly mounted on the top end of the air cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221649230.7U CN217586143U (en) | 2022-06-28 | 2022-06-28 | Explosion-proof pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221649230.7U CN217586143U (en) | 2022-06-28 | 2022-06-28 | Explosion-proof pressure gauge |
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| Publication Number | Publication Date |
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| CN217586143U true CN217586143U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221649230.7U Active CN217586143U (en) | 2022-06-28 | 2022-06-28 | Explosion-proof pressure gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277897A (en) * | 2023-01-31 | 2023-06-23 | 南通博旭科技有限公司 | Intelligent transmission device of full-automatic plastic sucking integrated machine |
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2022
- 2022-06-28 CN CN202221649230.7U patent/CN217586143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277897A (en) * | 2023-01-31 | 2023-06-23 | 南通博旭科技有限公司 | Intelligent transmission device of full-automatic plastic sucking integrated machine |
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