Natural gas safety protection pressure regulating device

Abstract

The utility model discloses a natural gas safety protection pressure regulating device which comprises a mounting plate, a fixing shell, a dismounting structure, a rainproof structure, a connecting pipeline and a closing structure. A fixing shell is arranged on the surface of the front end of the mounting plate, the dismounting structures are arranged at the two ends of the fixing shell, the rainproof structures are arranged at the two ends of the fixing shell, the connecting pipeline is mounted in the fixing shell, and the closing structure is arranged on the connecting pipeline. Compared with the prior art, the device has the advantages that rainwater can be prevented from flowing into the fixing shell along the vent holes in rainy days, the situation that maintenance is inconvenient due to the fact that the interior of the device is affected with damp or accumulated water is avoided, natural gas can be stopped from being conveyed continuously in time, and the service life of the device is prolonged. The situation that high-pressure gas cannot be discharged in time in a narrow fixed shell, consequently, the fixed shell bursts to damage surrounding things and even cause life danger is prevented, potential safety hazards are avoided, and the safety protection effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas technical field, concretely is a kind of natural gas safety protection pressure regulating device. BACKGROUND

[0002] Natural gas pressure regulating device is the important bridge of natural gas medium pressure pipe network to natural gas appliance, mainly used to adjust and stabilize system pressure, control gas flow of gas transmission system, avoid outlet pressure too high or too low, is the key equipment of gas transmission pipeline.

[0003] The patent document with announcement number CN220957963U discloses a kind of natural gas safety protection pressure regulating device, including fixed shell, the bottom of fixed shell inside left and right symmetry is equipped with air passage valve, air passage valve penetrates fixed shell;Connecting pipeline, two air passage valve top are connected with connecting pipeline;Pressure regulator, pressure regulator is equipped in the middle of connecting pipeline;Fixed plate, fixed plate is equipped in the middle of fixed shell inside. By using fixed plate and sealing plate to form closed space to fixed shell, connecting channel and pressure regulator are sealed and wrapped, natural gas can be avoided to escape to outside when leaking, reduce the threat to the safety of staff, further guarantee the safety of staff, but existing technology still has defects:

[0004] (1) the pressure regulating device of existing technology is placed in outdoor when using, and air hole is set on both sides of fixed shell, so that rainwater is accumulated in air hole for a long time when rainy weather, rainwater can enter the inside of pressure regulating device through air hole, and then the pipe body or pressure regulator in the inside of pressure regulating device is rusted by damp, to cause pressure regulating device cannot normally work, reduce the practicability of pressure regulating device.

[0005] (2) the device of existing technology can be sealed and wrapped connecting channel and pressure regulator by forming closed space to fixed shell when natural gas leaks, avoid natural gas to escape to outside air, but need manual adjustment, cannot be closed valve to prevent natural gas continues to deliver in real time automatically, if there is when detecting that natural gas pressure is too large, high-pressure gas cannot be released in extremely short time in narrow fixed shell, will cause fixed shell to burst, cause adjacent equipment damage, seriously also can affect the personal safety of staff, not conducive to the use of people, reduce the practicability of device.

[0006] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be regarded as an acknowledgement or any form of suggestion that this information forms prior art that is publicly known. UTILITY MODEL CONTENT

[0007] The technical problem to be solved by the utility model is to overcome the above-mentioned defects, and provide a natural gas safety protection pressure regulating device.

[0008] To solve the above technical problems, the utility model provides a technical scheme for a natural gas safety protection pressure regulating device, comprising:

[0009] The mounting plate is provided with a fixed shell on the front end surface thereof;

[0010] The dismounting structure is arranged at both ends of the fixed shell, and comprises side cover plates symmetrically arranged at both ends of the fixed shell;

[0011] The rainproof structure is arranged at both ends of the fixed shell, and comprises air vents formed in the surface of the side cover plates, wherein the air vents are arranged at equal intervals and in a plurality of numbers, and rainproof pipes are fixedly connected to the side of the air vents away from the fixed shell, and the rainproof pipes are arranged in an arc shape;

[0012] The connecting pipeline is arranged inside the fixed shell, and the connecting pipeline is provided with blocking circular pipes at the lower portions of both ends thereof;

[0013] The closing structure is arranged on the connecting pipeline, and comprises blocking square pipes fixedly connected to both ends of the blocking circular pipes, wherein a rectangular through hole is formed in the opposite side of the blocking square pipes, the rectangular through hole is in communication with the connecting pipeline and the blocking circular pipes, a sealing groove is formed in one end of the inner wall of the rectangular through hole, and a blocking box is fixedly connected to the rear side of the blocking square pipes at both ends;

[0014] Further, the fixed shell comprises:

[0015] The rear cover plate is fixedly connected to the front end surface of the mounting plate;

[0016] The top plate is fixedly connected to the top of the rear cover plate;

[0017] The bottom plate is fixedly connected to the bottom of the rear cover plate.

[0018] Further, T-shaped sliding grooves are formed in the opposite side of both ends of the top plate and the bottom plate, card slots are formed in the front side of both ends of the rear cover plate, T-shaped sliding blocks are fixedly connected to both ends of the side cover plates, the T-shaped sliding blocks are slidingly connected to the T-shaped sliding grooves, and a clamping block is fixedly connected to the rear end of the side cover plate and is clampingly connected to the card slot.

[0019] Further, a pressure regulator is arranged in the middle of the connecting pipeline, and an air vent valve is arranged in the middle of the blocking circular pipe.

[0020] Further, the bottom plate middle part is rotatably connected with a closing door, an observation window is arranged in the middle part of the closing door, a door lock is arranged on the top middle part of the closing door, and handles are fixedly connected to the two ends of the closing door.

[0021] Further, the rear cover plate upper end is provided with a gas detector.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] (1) The rainproof structure is arranged in the utility model, the rainproof pipe with the arc structure is arranged, rainwater can be prevented from flowing into the fixed shell through the air hole in rainy weather, the pressure regulator and other pipeline structures in the device can be prevented from being damp, or water accumulation occurs in the fixed shell, and the device is not convenient to maintain, sand in the air can be prevented from flowing into the fixed shell through the air hole in strong wind weather, the problem that the pressure regulating device is not flexible is avoided, the device has the function of preventing rain, and the practicality of the device is improved.

[0024] (2) When natural gas leakage occurs, the gas detector can detect the natural gas concentration leakage, the electric push rod is started, the U-shaped blocking piece is driven to move, the end portion of the U-shaped blocking piece is inserted into and clamped in the sealing clamping groove, the natural gas can be timely blocked for continuous conveying, the high-pressure gas cannot be timely discharged in the narrow fixed shell, the pressure in the device exceeds the pressure range that the fixed shell can bear, the fixed shell is cracked, the surrounding things are damaged, even the life safety is threatened, the safety hazard is avoided, and the safety protection effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a three-dimensional view of the natural gas safety protection pressure regulating device of the utility model Figure One .

[0026] Figure 2 is a three-dimensional view of the natural gas safety protection pressure regulating device of the utility model Figure Two .

[0027] Figure 3 is a three-dimensional view of the natural gas safety protection pressure regulating device of the utility model Figure Three .

[0028] Figure 4 is a front view of the natural gas safety protection pressure regulating device of the utility model.

[0029] Figure 5 is a side view of the natural gas safety protection pressure regulating device of the utility model.

[0030] Figure 6The utility model relates to a natural gas safety protection pressure regulating device Figure 5 The enlarged structural diagram of A in the figure.

[0031] Indicated in the figure: 1, mounting plate, 2, fixed shell, 3, dismounting structure, 31, T type sliding slot, 32, clamping groove, 33, side cover plate, 34, T type sliding block, 35, clamping block, 4, rainproof structure, 41, air hole, 42, rain blocking pipe, 5, connecting pipeline, 51, pressure regulator, 52, blocking round pipe, 53, air valve, 6, closing structure, 61, blocking square pipe, 62, rectangular through hole, 63, sealing groove, 64, blocking box, 65, electric push rod, 66, U type blocking piece, 7, closing door, 71, observation window, 72, door lock, 73, handle, 8, gas detector. DETAILED DESCRIPTION

[0032] The exemplary embodiments will be described in detail hereinbelow with reference to the drawings. In the following description, the same numbers refer to the same or similar elements throughout the drawings. The embodiments described in the following exemplary embodiments do not represent all the embodiments consistent with the present disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of the present disclosure as detailed in the appended claims.

[0033] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] As Figures 1 to 6 Indicated in the figure: 1, mounting plate, 2, fixed shell, 3, dismounting structure, 31, T type sliding slot, 32, clamping groove, 33, side cover plate, 34, T type sliding block, 35, clamping block, 4, rainproof structure, 41, air hole, 42, rain blocking pipe, 5, connecting pipeline, 51, pressure regulator, 52, blocking round pipe, 53, air valve, 6, closing structure, 61, blocking square pipe, 62, rectangular through hole, 63, sealing groove, 64, blocking box, 65, electric push rod, 66, U type blocking piece, 7, closing door, 71, observation window, 72, door lock, 73, handle, 8, gas detector.

[0035] The fixing shell 2 is provided with a dismounting structure 3 at both ends, the dismounting structure 3 comprises side cover plates 33 symmetrically arranged at both ends of the fixing shell 2, T-shaped sliding grooves 31 are arranged at both ends of one side of the top plate 22 and the bottom plate 23, clamping grooves 32 are arranged at both ends of the front side of the back cover plate 21, T-shaped sliding blocks 34 are fixedly connected at both ends of the side cover plate 33, the T-shaped sliding blocks 34 are slidingly connected in the T-shaped sliding grooves 31, clamping blocks 35 are fixedly connected at the rear ends of the side cover plates 33, and the clamping blocks 35 are clampingly connected in the clamping grooves 32, wherein rubber sealing rings are arranged on the surfaces of the clamping blocks 35, so as to facilitate the sealing of the device, prevent water from entering in rainy days, and facilitate the installation and dismounting of the side cover plates 33 and the fixing shell 2 through the arrangement of the T-shaped sliding grooves 31 and the T-shaped sliding blocks 34, without the need of using bolts and other fixing modes, so as to facilitate dismounting and improve work efficiency.

[0036] Rainproof structures 4 are arranged at both ends of the fixing shell 2, the rainproof structures 4 comprise air vents 41 arranged on the surfaces of the side cover plates 33, the air vents 41 are arranged at equal intervals and are provided in plurality, the air vents 41 are fixedly connected with rainproof pipes 42 away from the fixing shell 2, the rainproof pipes 42 are arranged in an arc structure, the rainproof pipes 42 arranged in an arc structure can not only prevent rainwater from flowing into the fixing shell 2 through the air vents 41 in rainy weather, avoid the corrosion of the pressure regulator 51 or the pipe body and other structures in the device by rainwater, prevent the pressure regulator 51 and other electrical equipment in the device from being damp or the fixing shell 2 from being filled with water and inconvenient to maintain, but also avoid the sand in the air in windy weather from flowing into the fixing shell 2 through the air vents 41, avoid the problem of inflexible pressure regulating device, so as to make the device have the functions of rain and sand prevention.

[0037] The fixing shell 2 is internally provided with a connecting pipeline 5, the connecting pipeline 5 is provided with blocking circular pipes 52 at both lower portions, the connecting pipeline 5 is provided with a pressure regulator 51 at the middle portion, and the blocking circular pipes 52 are provided with air valves 52 at the middle portions, wherein the air valves 52 are provided with handles, the air valves 52 are used for opening and closing natural gas through the arrangement of the air valves 52, and the handles of the air valves 52 can be rotated to open and close the air valves 52.

[0038] The connecting pipeline 5 is provided with a closing structure 6, which includes a blocking square tube 61 fixedly connected to both ends of the blocking circular tube 52, a rectangular through hole 62 is formed in the relative side of the blocking square tube 61, the rectangular through hole 62 is communicated with the connecting pipeline 5 and the blocking circular tube 52, a sealing groove 63 is formed in one end of the inner wall of the rectangular through hole 62, the rear side of the two ends of the blocking square tube 61 is fixedly connected with a blocking box 64, an electric push rod 65 is fixedly installed on the rear end surface of the blocking box 64, the output end of the electric push rod 65 extends into the inside of the blocking box 64 and is fixedly connected with a U-shaped blocking piece 66 at the end, through holes are formed in the front side of the inner wall of the blocking box 64, the two ends of the U-shaped blocking piece 66 are inserted into the through holes and the end portions are clamped and connected into the sealing grooves 63, wherein, the outer surface of the U-shaped blocking piece 66 is provided with a rubber sealing gasket, which ensures the sealing of the U-shaped blocking piece 66 to the connecting pipeline 5 and the blocking circular tube 52, the electric push rod 65 is started, and then the U-shaped blocking piece 66 is driven to slide in the through hole until the end portion of the U-shaped blocking piece 66 is inserted and clamped into the sealing groove 63, so that the natural gas can be timely blocked to continue to be conveyed, and the high-pressure gas cannot be timely discharged in the narrow fixed shell 2, which causes the pressure in the device to exceed the pressure range that the fixed shell 2 can bear, resulting in the explosion of the fixed shell 2 and causing damage to surrounding things, even causing life danger, and avoiding safety hazards.

[0039] The bottom plate 23 is rotatably connected with a closing door 7 in the middle, the closing door 7 is provided with an observation window 71 in the middle, a door lock 72 is installed on the top middle of the closing door 7, and handles 73 are fixedly connected to both ends of the closing door 7, wherein, the side of the closing door 7 close to the fixed shell 2 is provided with a rubber sealing gasket, which facilitates to ensure the sealing of the fixed shell 2, prevents rainwater and flying sand from entering the inside of the device, and the locking can be released by opening the door lock 72 on the top of the closing door 7, and the closing door 7 can be opened by pulling the handle 73 outward.

[0040] The rear cover plate 21 is provided with a gas detector 8 at one end of the upper portion, wherein the gas detector 8 is an existing product on the market, and its connection mode and control method are prior art, which will not be described here.

[0041] The utility model discloses in specific implementation, when natural gas leakage occurs when using, the gas detector 8 in fixed shell 2 can detect natural gas concentration leakage and send data to host computer, and host computer controls electric push rod 65 to start, and then drives U type blocking piece 66 to slide in the through -hole, until U type blocking piece 66 end inserts and clamps into sealing groove 63, to be able to timely block natural gas continues to deliver, prevent high -pressure gas in narrow fixed shell 2 cannot discharge in time, lead to the pressure of device inside exceeds the pressure range that fixed shell 2 bears, cause fixed shell 2 burst to cause damage to surrounding things, even cause life danger situation to occur, after the arrival of the repair personnel is to the repair of internal device, only need to open the door lock 72 of closed door 7 top and remove the lock, pull handle 73 to make closed door 7 turn over and open downwards, then can draw out two side cover plates 33, and then make device internal pressure regulating structure expose to the outside, can conveniently repair inside, then rotate the handle on air valve 52 can open and close air valve 52, when air valve 52 is in the closed state, U type blocking piece 66 can simultaneously close the connecting pipeline 5 of both ends of air valve 52, this can greatly increase the natural gas blocking effect of device, improve the safety of device, when it is rainy weather, the rain -proof pipe 42 of arc structure can prevent rainwater from flowing into fixed shell 2 inside along the air hole 41 in rainy weather, avoid the pressure regulator 51 or pipe body of device inside or other electrical equipment is corroded by rainwater, can prevent the pressure regulator 51 in device and other electrical equipment appear damp or fixed shell 2 inside appears waterlogging and is not convenient to maintain situation occurs, and then make the device have the function of rain -proof, thereby improve the safety protection effect of device, improve the practicality of device.

[0042] The electrical components appearing in the text are all electrically connected with the host computer and 220V mains, and the host computer can be a computer or other conventional known device that can be controlled, and the detailed description of known functions and known components is omitted in the specific embodiment of the disclosure. To ensure the compatibility of the device, the operation means used are consistent with the parameters of the market appliances, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0043] Although embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas safety protection pressure regulating device, characterized in that: Include: The mounting plate (1) is provided with a fixed shell (2) on the front end surface; The disassembly structure (3) is provided with a side cover plate (33) symmetrically arranged at both ends of the fixed shell (2), and the disassembly structure (3) includes a side cover plate (33) symmetrically arranged at both ends of the fixed shell (2); The rainproof structure (4) is provided at both ends of the fixed shell (2), and the rainproof structure (4) includes a ventilation hole (41) opened on the surface of the side cover plate (33), the ventilation hole (41) has a plurality of ventilation holes and is arranged at equal intervals, and the side away from the fixed shell (2) is fixedly connected with a rainproof pipe (42), and the rainproof pipe (42) is arranged in an arc structure; The connecting pipeline (5) is installed in the fixed shell (2), and the connecting pipeline (5) is provided with a blocking circular pipe (52) at both ends of the lower part; The closing structure (6) is provided on the connecting pipeline (5), the closing structure (6) includes a blocking square pipe (61) fixedly connected at both ends of the blocking circular pipe (52), the blocking square pipe (61) is provided with a rectangular through hole (62) on the opposite side, the rectangular through hole (62) is communicated with the connecting pipeline (5) and the blocking circular pipe (52), the inner wall of the rectangular through hole (62) is provided with a sealing groove (63) at one end, and the rear side of the blocking square pipe (61) at both ends is fixedly connected with a blocking box (64), the rear end surface of the blocking box (64) is fixedly installed with an electric push rod (65), the output end of the electric push rod (65) extends into the blocking box (64) and is fixedly connected with a U-shaped blocking piece (66) at the end, and the inner wall of the blocking box (64) is provided with a through hole at the front side of both ends, and the both ends of the U-shaped blocking piece (66) are inserted into the through hole and are clamped and connected in the sealing groove (63).

2. The natural gas safety protection pressure regulating device according to claim 1, characterized in that: The fixed shell (2) includes: The rear cover plate (21) is fixedly connected to the front end surface of the mounting plate (1); The top plate (22) is fixedly connected to the top of the rear cover plate (21); The bottom plate (23) is fixedly connected to the bottom of the rear cover plate (21).

3. The natural gas safety protection pressure regulating device according to claim 2, characterized in that: The top plate (22) and the bottom plate (23) are provided with T-shaped sliding grooves (31) at both ends of the opposite side, the front side of the rear cover plate (21) is provided with a clamping groove (32), the side cover plate (33) is fixedly connected with a T-shaped sliding block (34) at both ends, the T-shaped sliding block (34) is slidingly connected in the T-shaped sliding groove (31), the rear end of the side cover plate (33) is fixedly connected with a clamping block (35), and the clamping block (35) is clamped and connected in the clamping groove (32).

4. The natural gas safety protection pressure regulating device according to claim 1, characterized in that: The connecting pipeline (5) is provided with a pressure regulator (51) in the middle, and the blocking circular pipe (52) is provided with a ventilation valve (53) in the middle.

5. The natural gas safety protection pressure regulating device according to claim 2, characterized in that: The bottom plate (23) is rotatably connected with a closing door (7), the closing door (7) is provided with an observation window (71) in the middle, the closing door (7) is provided with a door lock (72) in the middle, and the closing door (7) is provided with a handle (73) at both ends.

6. The natural gas safety protection pressure regulating device according to claim 2, characterized in that: The rear cover plate (21) is provided with a gas detector (8) at one end of the upper part.

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