Fuel gas safety control device with automatic cut-off function

Abstract

The utility model relates to the technical field of fuel gas, and provides a fuel gas safety control device with an automatic cut-off function, which comprises a fixed sleeve, one side of the fixed sleeve is fixedly connected with a protective frame, one side of the protective frame is in threaded connection with a movable sleeve, the outer part of the movable sleeve is fixedly connected with a fixed lantern ring, and the fixed lantern ring is in threaded connection with the protective frame. A fixing mechanism is arranged between the fixing lantern ring and the protection frame, push plates and blocking plates are slidably connected to the two sides of the interior of the protection frame, the contact faces of the push plates and the blocking plates are clamped, and the push plate on one side and the blocking plate on the other side are oppositely arranged; two butted pipelines can be connected through the fixed sleeve and the movable sleeve on the two sides, so that equipment is connected between the two gas pipelines, meanwhile, disassembly is convenient, and one side of an annular air inlet frame and one side of an air inlet net are communicated with an air inlet detection mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas technology field, concretely relates to a gas safety control device with automatic cut -off function. BACKGROUND

[0002] Gas is the general term of gaseous fuel, it can burn and release heat for residents and industrial enterprises to use. There are many kinds of gas, mainly natural gas, artificial gas, liquefied petroleum gas and biogas, coal gas. According to the source of gas, gas can be divided into natural gas, artificial gas, liquefied petroleum gas and biomass gas, etc.

[0003] Through the retrieval, the existing patent (CN218818375U) discloses a kind of safety energy-saving gas control device with unmanned automatic cut-off gas function, including gas pipeline and installation pipeline being arranged in the inner side of gas pipeline, the outer side of the gas pipeline is fixedly installed with connecting ring, the top of the connecting ring is fixedly installed with connecting frame, the inner side of the connecting frame is provided with gas blocking mechanism, the gas blocking mechanism is controlled by PLC control panel being installed in the side of connecting frame, the side of the connecting frame is installed with battery, the back of the connecting frame is connected with natural gas detection controller by fixed mechanism, the natural gas detection controller and battery are linearly connected, the natural gas detection controller and PLC control panel are electrically connected;The gas blocking mechanism includes drive mechanism and cut-off mechanism, the drive mechanism is located in the side of connecting frame, the bottom end of the drive mechanism extends to the inner side of installation pipeline and drives cut-off mechanism to operate, the cut-off mechanism and installation pipeline are rotatably connected. Preferably, the structure shape of the installation pipeline is spherical, the structure shape of the connecting frame is "concave". Preferably, the drive mechanism includes motor, drive shaft, connecting block and limiting plate, the motor is installed at the top of connecting frame, the output end of the motor is connected with drive shaft, the drive shaft and connecting block fixedly installed at the bottom of connecting frame are rotatably connected, the bottom of the connecting block is provided with limiting plate fixedly installed in the inner side of connecting frame. Preferably, the motor and battery are linearly connected, the motor and PLC control panel are electrically connected, the drive shaft and limiting plate are rotatably connected, the bottom of the drive shaft is provided with cut-off mechanism, the connecting place outside of the drive shaft and installation pipeline is provided with sealing ring. The utility model can detect the leakage of gas in real time by designing natural gas detection controller fixed by fixed mechanism internal parts, and the detection result is transmitted to PLC control panel inside for processing, the installation pipeline is sealed by starting motor to drive cut-off disc to rotate in time, the leakage of gas is avoided, the safety of residents is improved, and it is more intelligent.

[0004] But in the above scheme, the plugging sealing property of gas is not high enough, is not convenient to disassemble, and is more troublesome to overhaul itself.

[0005] In view of this, the utility model provides a gas safety control device with automatic cut-off function. Utility model content

[0006] The utility model provides a gas safety control device with automatic cut-off function, solve the problem that its plugging tightness is not high enough in relevant technology, is not convenient to disassemble, and it is troublesome to overhaul itself.

[0007] The utility model discloses a kind of gas safety control devices with automatic cut-off function, including fixed sleeve: the one side of the fixed sleeve is fixedly connected with protective frame, the one side of the protective frame is threadedly connected with movable sleeve, the outside fixed connection of the movable sleeve has fixed collar, fixed mechanism is arranged between the fixed collar and protective frame, the both sides in the protective frame are slidably connected with push plate and blocking plate, the contact surface of push plate and blocking plate is mutually clamped, the push plate of one side and the blocking plate of the other side are oppositely arranged, the push plate of two sides is cross arrangement, the blocking plate of two sides is cross arrangement, the one side of the blocking plate facing push plate is fixedly connected with sealing gasket, the one side of the push plate away from the middle of protective frame is provided with electric push rod, the electric push rod is fixedly connected with protective frame, the one side of the push plate away from the middle of protective frame is provided with threaded transmission mechanism, the outside of the fixed sleeve is annularly provided with annular air inlet frame, the one side of the annular air inlet frame is annularly fixed with air inlet net, the one side of the annular air inlet frame is connected and fixedly connected with air inlet detection mechanism, the one side of the annular air inlet frame is fixedly connected with air inlet valve, the inside of the annular air inlet frame and air inlet valve is communicated, the detection end of the air inlet valve and detector is communicated, the fixed sleeve and movable sleeve of two sides can be connected to the pipeline of two sections butt joint, so as to connect the equipment between two gas pipelines, also convenient to disassemble, the one side of the annular air inlet frame and air inlet net is communicated with air inlet detection mechanism, can realize the gas in the annular air inlet frame to be extracted, so that air can be extracted more comprehensively, the blocking plate and push plate of two sides are extruded, and the protective frame and the fixed sleeve and movable sleeve of two sides can be sealed.

[0008] Preferably, the both sides of the protective frame are provided with through holes that can input gas, the through hole position of one side of the protective frame is fixedly connected with fixed sleeve, the through hole position of the other side of the protective frame is fixedly connected with threaded sleeve ring, the threaded sleeve ring is threadedly connected with movable sleeve, the threaded sleeve ring can be fixed with the protective frame and movable sleeve by being arranged.

[0009] Preferably, the fixing mechanism comprises a hinge, a rotating plate and a positioning screw, the rotating plate is rotatably connected to one side of the protective frame away from the annular air inlet frame, a hinge is arranged between the rotating plate and the protective frame, and a positioning screw is arranged between the other end of the rotating plate and the fixed sleeve ring, the positioning screw is threaded through the rotating plate and the fixed sleeve ring, and the other end of the rotating plate is attached to the fixed sleeve ring after the rotating plate is rotated, so that the fixed sleeve ring and the rotating plate are fixed by the positioning screw.

[0010] Preferably, the rotating plate is located above the threaded sleeve ring, an inner threaded surface is arranged on the inner ring of the threaded sleeve ring, and an outer threaded surface is arranged on the outer side of one end of the movable sleeve, and the inner and outer threaded surfaces are threadedly connected.

[0011] Preferably, the number of rotating plates is four, and the four rotating plates are equidistantly distributed on the annular outer part of the movable sleeve, and the plurality of rotating plates can stably fix the protective frame and the movable sleeve.

[0012] Preferably, the threaded transmission mechanism comprises a motor and a threaded rod, the motor is fixed to the upper and lower ends on both sides of the protective frame, the threaded rod is driven to rotate by starting the motor to convey the blocking plate, so that the two motors can be overlapped, the middle section of the protective frame is closed, and the dust or accumulation accumulated in the protective frame can be pushed out by the periodically extended electric push rod and the motor.

[0013] Preferably, the protective frame is fixedly connected with a PLC controller on one side, and the PLC controller is electrically connected with the detector, the air inlet valve, the electric push rod and the push plate.

[0014] Preferably, the electric push rod is fixed to the upper and lower ends on both sides of the protective frame, the electric push rod and the motor are away from each other, and the extension end of the electric push rod is fixedly connected with the push plate.

[0015] The utility model discloses the beneficial effect is:

[0016] In the utility model, the fixed sleeve and the movable sleeve on both sides can realize the connection of the two-section pipeline, so that the equipment is connected between the two-section gas pipeline, and the equipment is convenient to disassemble, the annular air inlet frame and the air inlet net are communicated with the air inlet detection mechanism on one side, the gas in the annular air inlet frame can be extracted, so that the air can be extracted comprehensively, and the two blocking plates and the push plate are extruded, so that the protective frame and the fixed sleeve and the movable sleeve on both sides are sealed.

[0017] In this invention, the threaded collar enables the protective frame and the movable sleeve to be threadedly fixed. After rotating the rotating plate, the other end of the rotating plate fits into the fixed collar, and the fixed collar and the rotating plate are fixed by the positioning screw. The multiple rotating plates can stably fix the protective frame and the movable sleeve. By starting the motor, the threaded rod is rotated to transmit the blocking plate, thereby enabling the motors on both sides to overlap and close the middle section of the protective frame. Periodically extending the electric push rod and the motor can push out the dust or deposits accumulated inside the protective frame. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 This is a rear-view three-dimensional structural diagram of the present invention.

[0021] Figure 3 This is a three-dimensional side view of the internal structure of this utility model;

[0022] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A;

[0023] Figure 5 This utility model Figure 2 A magnified structural diagram at point B in the middle.

[0024] In the diagram: 1. Fixed sleeve; 2. Protective frame; 3. Movable sleeve; 4. Annular air inlet frame; 5. Air inlet mesh; 6. Air inlet valve; 7. Detector; 8. PLC controller; 9. Threaded collar; 10. Electric push rod; 11. Push plate; 12. Motor; 13. Threaded rod; 14. Blocking plate; 15. Fixed collar; 16. Hinge; 17. Rotating plate; 18. Positioning screw; 19. Sealing gasket. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example

[0026] A preferred embodiment of the gas safety control device with automatic shut-off function provided by this utility model is, for example... Figures 1 to 5As shown: a gas safety control device with automatic cut-off function, including fixed sleeve 1: the side of fixed sleeve 1 is fixedly connected with the protection frame 2, the side of the protection frame 2 is threadedly connected with the movable sleeve 3, the outside of the movable sleeve 3 is fixedly connected with the fixed sleeve ring 15, the fixed sleeve ring 15 and the protection frame 2 are provided with a fixing mechanism, the both sides of the protection frame 2 are slidably connected with the push plate 11 and the blocking plate 14, the contact surfaces of the push plate 11 and the blocking plate 14 are mutually clamped, the push plate 11 on one side and the blocking plate 14 on the other side are oppositely arranged, the push plates 11 on both sides are cross arranged, the blocking plates 14 on both sides are cross arranged, the side of the blocking plate 14 facing the push plate 11 is fixedly connected with the sealing gasket 19, the side of the push plate 11 away from the middle of the protection frame 2 is provided with the electric push rod 10, the electric push rod 10 is fixedly connected with the protection frame 2, the side of the push plate 11 away from the middle of the protection frame 2 is provided with the threaded conveying mechanism, the outside of the fixed sleeve 1 is annularly sleeved with the annular air inlet frame 4, the side of the annular air inlet frame 4 is annularly fixed with the air inlet net 5, the side of the annular air inlet frame 4 is communicated and fixedly connected with the air inlet detection mechanism, the side of the annular air inlet frame 4 is fixedly connected with the air inlet valve 6, the inside of the annular air inlet frame 4 and the air inlet valve 6 are communicated, and the air inlet valve 6 is communicated with the detection end of the detector 7.

[0027] It should be noted that the existing protection device still has certain shortcomings, that is, the sealing performance of the existing protection device is not high, the existing protection device is not convenient to disassemble, and the existing protection device is troublesome to overhaul.

[0028] In the embodiment, the two fixed sleeves 1 and the movable sleeve 3 can realize the connection of the two-section butt joint pipelines, so that the equipment is connected between the two-section gas pipelines, and the equipment is convenient to disassemble, the annular air inlet frame 4 and the air inlet net 5 are communicated with the air inlet detection mechanism, the gas in the annular air inlet frame 4 can be extracted, so that the air can be extracted more comprehensively, and the two blocking plates 14 and the push plates 11 are extruded, so that the protection frame 2 and the fixed sleeves 1 and the movable sleeve 3 on both sides can be sealed.

[0029] In the further preferred embodiment of the utility model, the both sides of the protection frame 2 are provided with through holes through which gas can be input, the through hole position on one side of the protection frame 2 is fixedly connected with the fixed sleeve 1, and the through hole position on the other side of the protection frame 2 is fixedly connected with the threaded sleeve ring 9.

[0030] In the embodiment, the threaded sleeve ring 9 can realize the threaded fixing of the protection frame 2 and the movable sleeve 3.

[0031] The further preferable embodiment of the utility model further provides a fixing mechanism, the fixing mechanism comprises a hinge 16, a rotating plate 17 and a positioning screw 18, the rotating plate 17 is rotatably connected to the side of the protective frame 2 away from the annular air inlet frame 4, the hinge 16 is arranged between the rotating plate 17 and the protective frame 2, the positioning screw 18 is arranged between the other end of the rotating plate 17 and the fixed sleeve ring 15, and the positioning screw 18 is screwed through the rotating plate 17 and the fixed sleeve ring 15.

[0032] In the embodiment, after rotating the rotating plate 17, the other end of the rotating plate 17 is attached to the fixed sleeve ring 15, and the fixed sleeve ring 15 and the rotating plate 17 are fixed by the positioning screw 18.

[0033] The further preferable embodiment of the utility model further provides that the rotating plate 17 is located above the threaded sleeve ring 9, the inner ring of the threaded sleeve ring 9 is provided with an internal thread surface, the outer side of one end of the movable sleeve 3 is provided with an external thread surface, and the internal and external thread surfaces are screw-connected. Embodiment

[0034] On the basis of embodiment 1, the preferable embodiment of the utility model provides a gas safety control device with automatic cutting function as shown in the figure: Figures 1 to 5 The number of rotating plates 17 is four, and the four rotating plates 17 are equidistantly distributed on the annular outer portion of the movable sleeve 3.

[0035] In the embodiment, the plurality of rotating plates 17 can stably fix the protective frame 2 and the movable sleeve 3.

[0036] The further preferable embodiment of the utility model further provides that the threaded conveying mechanism comprises a motor 12 and a threaded rod 13, and the motor 12 is fixed to the upper and lower ends on both sides of the protective frame 2.

[0037] In the embodiment, the motor 12 drives the threaded rod 13 to rotate and convey the blocking plate 14, so that the two motors 12 can be cross-overlapped, the middle section of the protective frame 2 is closed, and the dust or accumulation accumulated in the protective frame 2 can be pushed out by the periodically extended electric push rod 10 and the motor 12.

[0038] The further preferable embodiment of the utility model further provides that the protective frame 2 is fixedly connected with a PLC controller 8 on one side, and the PLC controller 8 is electrically connected with the detector 7, the air inlet valve 6, the electric push rod 10 and the push plate 11.

[0039] The further preferable embodiment of the utility model further provides that the electric push rod 10 is fixed to the upper and lower ends on both sides of the protective frame 2, the electric push rod 10 and the motor 12 are away from each other, and the extension end of the electric push rod 10 is fixedly connected with the push plate 11.

[0040] The utility model discloses a kind of gas leakage detection devices, including protective frame 2, fixed sleeve 1, movable sleeve 3, threaded sleeve ring 9, rotating plate 17, fixed sleeve ring 15, positioning screw 18, air inlet frame 4, air inlet net 5, electric push rod 10, motor 12 and push plate 11, its working principle is: two fixed sleeve 1 and movable sleeve 3 of side carry out threaded connection to two sections of butt joint gas pipeline, connect equipment between two sections of gas pipeline, the threaded sleeve ring 9 of one side is fixed with movable sleeve 3 by thread, after rotating rotating plate 17, the other end of rotating plate 17 is attached to fixed sleeve ring 15, fixed sleeve ring 15 and rotating plate 17 are fixed by positioning screw 18, install movable sleeve 3, also convenient to disassemble simultaneously, air inlet frame 4 and air inlet net 5 one side intercommunication gas detection mechanism, the gas that enters the inside of air inlet frame 4 is more comprehensive extraction, when detecting gas leakage condition, start electric push rod 10 and motor 12 to make two sides block plate 14 and push plate 11 mutual extrusion, can be sealed to protective frame 2 and two fixed sleeve 1 and movable sleeve 3 of side, start motor 12 and drive threaded rod 13 rotation transmission block plate 14, the motor 12 of two sides is crossed and coincides, the middle section of closed protective frame 2, regularly extend electric push rod 10 and motor 12 can push out the dust or accumulation that has accumulated in protective frame 2 interior.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gas safety control device with automatic shut-off function, characterized in that, The utility model provides a kind of gas stove, including fixed sleeve (1): the one side of the fixed sleeve (1) is fixedly connected with protective frame (2), the one side of the protective frame (2) is threadedly connected with movable sleeve (3), the outside of the movable sleeve (3) is fixedly connected with fixed collar (15), fixed mechanism is arranged between the fixed collar (15) and protective frame (2), the both sides in the inside of the protective frame (2) are slidably connected with push plate (11) and blocking plate (14), push plate (11) and blocking plate (14) contact surface mutually engage, the push plate (11) of one side and the blocking plate (14) of the other side are oppositely arranged, the both sides of push plate (11) are cross arranged, the both sides of blocking plate (14) are cross arranged, the one side of blocking plate (14) facing push plate (11) is fixedly connected with sealing gasket (19), the one side of push plate (11) away from the middle of protective frame (2) is provided with electric push rod (10), the electric push rod (10) is fixedly connected with protective frame (2), the one side of push plate (11) away from the middle of protective frame (2) is provided with threaded transmission mechanism, the outside of the fixed sleeve (1) is annularly provided with annular air inlet frame (4), the one side of the annular air inlet frame (4) is annularly fixed with air inlet net (5), the one side of the annular air inlet frame (4) is communicated and fixedly connected with air intake detection mechanism, the one side of the annular air inlet frame (4) is fixedly connected with air inlet valve (6), the inside of the annular air inlet frame (4) and air inlet valve (6) are communicated, the detection end of the air inlet valve (6) and detector (7) are communicated.

2. The gas safety control device with automatic shutoff function according to claim 1, characterized in that, The both sides of the protective frame (2) are provided with through holes that can input gas, the one side through hole position of the protective frame (2) is fixedly connected with the fixed sleeve (1), and the other side through hole position of the protective frame (2) is fixedly connected with the threaded sleeve ring (9), and the threaded sleeve ring (9) is threadedly connected with the movable sleeve (3).

3. The gas safety control device with automatic shutoff function according to claim 1, characterized in that, The fixed mechanism includes a hinge (16), a rotating plate (17), and a positioning screw (18), the one side of the protective frame (2) away from the annular air inlet frame (4) is rotatably connected with the rotating plate (17), the hinge (16) is arranged between the rotating plate (17) and the protective frame (2), and the positioning screw (18) is arranged between the other end of the rotating plate (17) and the fixed collar (15), and the positioning screw (18) is threadedly penetrated through the rotating plate (17) and the fixed collar (15).

4. The gas safety control device with automatic shutoff function according to claim 3, characterized in that, The rotating plate (17) is located above the threaded sleeve ring (9), the inner ring of the threaded sleeve ring (9) is provided with an internal thread surface, the outside of one end of the movable sleeve (3) is provided with an external thread surface, and the internal and external thread surfaces are threadedly connected.

5. The gas safety control device with automatic shutoff function according to claim 4, characterized in that, The number of the rotating plate (17) is four, and the four rotating plates (17) are equidistantly distributed on the annular outside of the movable sleeve (3).

6. The gas safety control device with automatic shutoff function according to claim 1, characterized in that, The threaded transmission mechanism includes a motor (12) and a threaded rod (13), and the motor (12) is fixed to the upper and lower ends of the both sides of the protective frame (2).

7. The gas safety control device with automatic shutoff function according to claim 1, characterized in that, One side of the guard frame (2) is fixedly connected with a PLC controller (8), and the PLC controller (8) is electrically connected with the detector (7), the air inlet valve (6), the electric push rod (10) and the push plate (11).

8. The gas safety control device with automatic shutoff function according to claim 6, characterized in that, The electric push rod (10) is fixed to the upper and lower ends of the two sides of the guard frame (2), the electric push rod (10) and the motor (12) are away from each other, and the extension end of the electric push rod (10) is fixedly connected with the push plate (11).

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