CN220851803U

CN220851803U - Early warning device is revealed to gas pipeline junction

Info

Publication number: CN220851803U
Application number: CN202322660915.2U
Authority: CN
Inventors: 陈勇; 郝小钢
Original assignee: Jinan Longshi Trading Co ltd
Current assignee: Jinan Longshi Trading Co ltd
Priority date: 2023-10-06
Filing date: 2023-10-06
Publication date: 2024-04-26
Anticipated expiration: 2033-10-06

Abstract

The utility model discloses a leakage early warning device for a gas pipeline joint, which belongs to the technical field of gas leakage early warning and comprises a machine body, wherein a methane detector body is fixedly arranged in the machine body, openings are formed in two side surfaces of the machine body, a connecting pipe is arranged at the position, opposite to the left side opening, of the machine body, the other end of the connecting pipe is communicated with a shell, an air inlet pipe is arranged on the shell in a communicating manner, a suction fan is fixedly arranged in the connecting pipe, a filter plate is slidably arranged on the shell, and a check mechanism is arranged on the right side surface of the machine body; through setting up the suction fan, the suction fan is inside to cooperate the methane detector body to realize detecting methane content in the air with the air of pipeline junction when starting to reach the early warning effect, the device adopts initiative and lasting early warning mode, avoids the gas to receive the air flow influence at the initial stage of leaking and leads to the device delay high, has improved the security that the gas was used.

Description

Early warning device is revealed to gas pipeline junction

Technical Field

The utility model belongs to the technical field of gas leakage early warning, and particularly relates to a gas pipeline joint leakage early warning device.

Background

The fuel gas is a generic term for gas fuel, which can burn and give off heat for residents and industrial enterprises. The gas leakage mainly comprises natural gas, artificial gas, liquefied petroleum gas, biogas and coal gas, and the gas leakage refers to unexpected leakage of the gas in the air from a pipeline and a steel cylinder.

The prior patent (bulletin number: CN 219432868U) discloses a gas leakage exploration early warning device based on a catalytic combustion sensor, which relates to the technical field of early warning devices and comprises a fixing frame arranged on the surface of the gas early warning device, an oil-proof frame arranged in the fixing frame, a supporting frame arranged on the side surface of the gas early warning device, and a clamping plate and a limiting rod arranged on the side surface of a baffle plate; the beneficial effects are as follows: the utility model provides a gas leakage surveys and uses precaution device based on catalytic combustion sensor, when needs gas precaution device is taken down from the wall in kitchen, at first pulling baffle, make the cardboard that baffle side set up lose the fixed action to the stop collar, then just can take out the stop collar, just so can take out gas precaution device from the bracing piece, the gas precaution device is fixed on the wall in kitchen mainly utilizing multiunit bolt when having avoided traditional gas precaution device to install like this, thereby it can take out gas precaution device to need use the tool to rotate multiunit bolt when need overhauling gas precaution device at every turn, it is comparatively inconvenient;

The following technical problems are considered to exist in practice for the technical proposal disclosed in the patent document: the existing device is easily influenced by external factors in use, and if the air flow speed is too fast in use, the detection result is high in delay and poor in detection accuracy, and the early warning effect on gas leakage cannot be timely achieved, so that certain improvement is needed.

Disclosure of utility model

The utility model aims to provide a leakage early warning device for a gas pipeline joint, which aims to solve the problems that the prior device is easily influenced by external factors in use, has high delay of a detection result and poor detection accuracy in use if the air flow speed is too fast, cannot timely perform early warning on gas leakage and needs to be improved to a certain extent.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas pipeline junction leakage early warning device, includes the organism, fixed mounting has methane detector body in the organism, the opening has all been seted up to organism both sides face, the organism is just to left side opening part and is provided with the connecting pipe, the casing is installed to the connecting pipe other end intercommunication, the intake pipe is installed to the intercommunication on the casing, fixed mounting has the suction fan in the connecting pipe, slidable mounting has the filter plate on the casing, the organism right flank is provided with check mechanism, check mechanism is including the barrel of intercommunication installation in organism right side opening part, exhaust hose is installed in barrel right flank intercommunication, fixed mounting has mounting bracket and annular baffle in the barrel, slidable mounting has the slide bar on the mounting bracket, slide bar tip fixed mounting has the sealing block, the last sealing groove that supplies the sealing block to use of seting up of annular baffle.

By adopting the scheme, through setting up the suction fan, the inside cooperation methane detector body of air suction organism with pipeline junction realizes detecting methane content in the air when the suction fan starts, thereby reach the early warning effect, the device adopts initiative and lasting early warning mode, avoid the gas to receive the air flow influence at the initial stage of leaking and lead to the device delay nature high, through setting up the filter plate, realize the filter effect to the inside suction air of intake pipe, avoid the inside accuracy that gets into a large amount of dust influence detection data of organism in long-time operation, through setting up check mechanism, in use needs place the exhaust hose outdoor, the inside air of organism drives the sealing piece motion when the device uses and makes the air discharge, when outside air gets into in the exhaust hose, can drive the sealing piece and insert in the seal groove, effectively avoid outside air to get into the organism inside and cause the pollution to the methane detector body when the device is out of service.

In the above scheme, it should be noted that the methane detector body and the suction fan are electrically connected with an external power supply.

As a preferred implementation mode, a plurality of support rods are fixedly arranged on the back of the machine body, two support rod end parts of the same horizontal plane are fixedly arranged on the same mounting plate, and a plurality of mounting holes are formed in the mounting plate.

By adopting the scheme, through setting up bracing piece and mounting panel, realize the holistic quick installation effect to the device, be convenient for fix the device stable in the pipeline junction.

As a preferred implementation mode, the connecting pipe is fixedly provided with a connecting plate, a plurality of fastening screws are arranged on the connecting plate in a threaded manner, and a plurality of through holes for the fastening screws are formed in the machine body.

By adopting the scheme, through setting up connecting plate and fastening screw, realize dismantling fast and installing the effect to the connecting pipe, be convenient for dismantle in the device middle stage of use and overhaul and maintain.

As a preferred implementation mode, two fixed blocks are relatively and fixedly arranged on the upper surface of the shell, sliding grooves are formed in the front side surface and the rear side surface of the filter plate, T-shaped clamping blocks are slidably arranged in the sliding grooves, clamping holes for the T-shaped clamping blocks are formed in the fixed blocks, a first spring is arranged in the sliding grooves, and two ends of the first spring are respectively abutted against the opposite surfaces of the sliding grooves and the T-shaped clamping blocks.

By adopting the scheme, the T-shaped clamping blocks are arranged, the T-shaped clamping blocks on two sides are pressed to be far away from the clamping holes, the filter plate can be taken out to be cleaned, the T-shaped clamping blocks are loosened after the filter plate is reset, and the T-shaped clamping blocks are driven to be inserted into the corresponding clamping holes under the elastic action of the first spring to lock the filter plate.

As a preferred implementation mode, a limiting block is fixedly arranged at one end, far away from the sealing block, of the sliding rod, a second spring is sleeved on the outer surface of the sliding rod, and two ends of the second spring are respectively abutted against opposite surfaces of the limiting block and the mounting frame.

By adopting the scheme, through setting up the second spring, the inside air of organism drives the sealing piece and keeps away from sealed recess when the device uses and make air discharge, drives the sealing piece and resets to the sealed recess in the elastic action of second spring and prevent the outside air of device when the device stops using, has effectively avoided outside air to get into in the organism.

As a preferable implementation mode, the sealing block is fixedly provided with a sealing strip on the outer surface, and the sealing strip is matched with the sealing groove.

By adopting the scheme, the sealing performance in the sealing block and the sealing groove is improved by arranging the sealing strip.

Compared with the prior art, the utility model has the beneficial effects that:

According to the gas pipeline joint leakage early warning device, the suction fan is arranged, when the suction fan is started, air at the pipeline joint is sucked into the machine body to be matched with the methane detector body so as to realize detection of methane content in air, so that an early warning effect is achieved, an active and continuous early warning mode is adopted, the gas is prevented from being influenced by air flow at the initial stage of leakage, the delay of the device is high, and the gas use safety is improved;

This early warning device is revealed to gas pipeline junction is through setting up non return mechanism, in use need place exhaust hose outdoor, and the inside air of organism drives the sealing block and keeps away from sealed recess and make air discharge when the device uses, drives the sealing block and resets to the sealed recess in the air to the device outside and prevent when the device stops using under the elastic action of spring two, has effectively avoided outside air to get into the inside pollution to methane detector body of organism.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a cross-section of a machine body according to the present utility model;

FIG. 3 is a schematic view showing the structure of the connecting pipe section, the air inlet pipe section and the shell of the utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of the structure of the cylinder section, annular baffle and sealing block of the present utility model;

FIG. 6 is a schematic view of the seal block section, seal strip and annular baffle of the present utility model.

In the figure: 1. a body; 2. a methane detector body; 3. a connecting pipe; 4. a housing; 5. an air inlet pipe; 6. a suction fan; 7. a filter plate; 8. a cylinder; 9. a mounting frame; 10. an annular baffle; 11. a slide bar; 12. a sealing block; 13. a support rod; 14. a mounting plate; 15. a connecting plate; 16. a fixed block; 17. a T-shaped clamping block; 18. a first spring; 19. a limiting block; 20. a second spring; 21. and (5) a sealing strip.

Detailed Description

Referring to fig. 1-6, the utility model provides a leakage early warning device for a gas pipeline joint, which comprises a machine body 1, wherein a methane detector body 2 is fixedly installed in the machine body 1, a plurality of support rods 13 are fixedly installed on the back of the machine body 1, a same mounting plate 14 is fixedly installed at the end parts of two support rods 13 on the same horizontal plane, a plurality of mounting holes are formed in the mounting plate 14, and the whole rapid installation effect of the device is realized by arranging the support rods 13 and the mounting plate 14, so that the device is conveniently and stably fixed at the pipeline joint.

Openings are formed in two side faces of the machine body 1, the machine body 1 is provided with a connecting pipe 3 opposite to the left opening, a connecting plate 15 is fixedly arranged on the connecting pipe 3, a plurality of fastening screws are arranged on the connecting plate 15 in a threaded mode, a plurality of through holes for the fastening screws to use are formed in the machine body 1, the connecting plate 15 and the fastening screws are arranged to achieve rapid disassembly and installation of the connecting pipe 3, disassembly, overhaul and maintenance are convenient to achieve in the middle of device use, the other end of the connecting pipe 3 is communicated with the shell 4, an air inlet pipe 5 is arranged on the shell 4 in a communicating mode, a suction fan 6 is fixedly arranged in the connecting pipe 3, and a filter plate 7 is slidably arranged on the shell 4.

Two fixed blocks 16 are oppositely and fixedly arranged on the upper surface of the shell 4, sliding grooves are formed in the front side surface and the rear side surface of the filter plate 7, T-shaped clamping blocks 17 are slidably arranged in the sliding grooves, clamping holes for the T-shaped clamping blocks 17 are formed in the fixed blocks 16, first springs 18 are arranged in the sliding grooves, two ends of the first springs 18 are respectively abutted against opposite surfaces of the sliding grooves and the T-shaped clamping blocks 17, the filter plate 7 can be unlocked by arranging the T-shaped clamping blocks 17 on two sides and pressing the T-shaped clamping blocks 17 away from the clamping holes, the filter plate 7 can be taken out and cleaned at the moment, the T-shaped clamping blocks 17 are loosened after the filter plate 7 is reset, and the T-shaped clamping blocks 17 are driven to be inserted into corresponding clamping holes under the elastic action of the first springs 18 to lock the filter plate 7.

The right side of the machine body 1 is provided with a check mechanism, the check mechanism comprises a cylinder body 8 which is installed at an opening at the right side of the machine body 1 in a communicating manner, an exhaust hose is installed at the right side of the cylinder body 8 in a communicating manner, an installation frame 9 and an annular baffle 10 are fixedly installed in the cylinder body 8, a sliding rod 11 is slidably installed on the installation frame 9, a sealing block 12 is fixedly installed at the end part of the sliding rod 11, and a sealing groove for the sealing block 12 is formed in the annular baffle 10.

The one end fixed mounting who keeps away from sealing block 12 of slide bar 11 has stopper 19, the surface cover of slide bar 11 is equipped with spring two 20, the both ends of spring two 20 respectively with the opposite face looks butt of stopper 19 and mounting bracket 9, sealing block 12 surface fixed mounting has sealing strip 21, cooperation is used between sealing strip 21 and the seal groove, through setting up spring two 20, the inside air of organism 1 drives sealing block 12 and keeps away from the seal groove and make the air discharge when the device uses, it stops to drive the outside air of device in the seal groove to reset under the elastic action of spring two 20 to the sealing block 12 when the device stops using, effectively avoided outside air to get into in the organism 1, through setting up sealing strip 21, sealing performance in sealing block 12 and the seal groove has been improved.

Working principle: when the methane detector is used, the device is fixed at the joint of the gas pipeline through the support rod 13 and the mounting plate 14, then the suction fan 6 and the methane detector body 2 are started, air at the joint of the pipeline is sucked into the shell 4 through the air inlet pipe 5 when the suction fan 6 is started and filtered by the filter plate 7, then the methane detector body 2 detects the air, the detected air drives the sealing block 12 to move and is discharged through the air exhaust hose, the suction fan 6 and the methane detector body 2 are closed when the device needs to be overhauled and maintained, the sealing block 12 is driven to reset into the sealing groove under the elastic action of the spring II 20, then the T-shaped clamping blocks 17 at the two sides are pressed to be far away from the clamping holes, the filter plate 7 can be unlocked, the filter plate 7 is taken out for cleaning, the T-shaped clamping blocks 17 are reset after cleaning, the T-shaped clamping blocks 17 are driven to be inserted into the corresponding clamping holes under the elastic action of the spring I18, then the connecting pipe 3 is rotatably fastened, the connecting plate 3 is removed, the methane detector body 2 is checked, and the connecting plate 3 is locked through the fastening screws are locked.

Claims

1. The utility model provides a gas pipeline junction reveal early warning device which characterized in that: including organism (1), organism (1) internal fixation has methane detector body (2), the opening has all been seted up to organism (1) both sides face, organism (1) just is provided with connecting pipe (3) to left side opening part, casing (4) are installed in connecting pipe (3) other end intercommunication, intake pipe (5) are installed in the intercommunication on casing (4), fixed mounting has suction fan (6) in connecting pipe (3), slidable mounting has filter plate (7) on casing (4), organism (1) right flank is provided with check mechanism, check mechanism installs barrel (8) in organism (1) right side opening part including the intercommunication, exhaust hose is installed in barrel (8) right flank intercommunication, fixed mounting has mounting bracket (9) and annular baffle (10) in barrel (8), slidable mounting has slide bar (11) on mounting bracket (9), slide bar (11) tip fixed mounting has sealing block (12), set up the seal groove that supplies sealing block (12) to use on annular baffle (10).

2. The gas pipeline junction leakage early warning device according to claim 1, wherein: the back of the machine body (1) is fixedly provided with a plurality of supporting rods (13), the end parts of the two supporting rods (13) on the same horizontal plane are fixedly provided with the same mounting plate (14), and the mounting plate (14) is provided with a plurality of mounting holes.

3. The gas pipeline junction leakage early warning device according to claim 1, wherein: the connecting pipe (3) is fixedly provided with a connecting plate (15), a plurality of fastening screws are arranged on the connecting plate (15) in a threaded mode, and a plurality of through holes for the fastening screws are formed in the machine body (1).

4. The gas pipeline junction leakage early warning device according to claim 1, wherein: two fixed blocks (16) are fixedly installed on the upper surface of the shell (4) relatively, sliding grooves are formed in the front side surface and the rear side surface of the filter plate (7), T-shaped clamping blocks (17) are slidably installed in the sliding grooves, clamping holes for the T-shaped clamping blocks (17) are formed in the fixed blocks (16), a first spring (18) is arranged in the sliding grooves, and two ends of the first spring (18) are respectively abutted to opposite surfaces of the sliding grooves and the T-shaped clamping blocks (17).

5. The gas pipeline junction leakage early warning device according to claim 1, wherein: one end of the sliding rod (11) far away from the sealing block (12) is fixedly provided with a limiting block (19), the outer surface of the sliding rod (11) is sleeved with a second spring (20), and two ends of the second spring (20) are respectively abutted between the limiting block (19) and the opposite surface of the mounting frame (9).

6. The gas pipeline junction leakage early warning device according to claim 1, wherein: sealing strips (21) are fixedly arranged on the outer surfaces of the sealing blocks (12), and the sealing strips (21) are matched with the sealing grooves.