An electromagnetic explosion-proof gas safety quick cut-off valve

Abstract

The invention relates to the technical field of electromagnetic gas shut-off valves, and discloses an electromagnetic explosion-proof gas safety quick shut-off valve, comprising: a transverse tube and a vertical tube, the transverse tube is used to connect a gas pipe for transporting gas, a spring and a top plate, four rubber strips, the four rubber strips are arranged on the inner side of the vertical tube for squeezing the rubber strips, a disc fixing sleeve is arranged on the outer side of a slide plate, and two sealing rings are arranged on the upper and lower sides of the disc. The electromagnetic explosion-proof gas safety quick shut-off valve adsorbs the limit rod by controlling the operation of the electromagnetic coil, the limit rod is away from the limit groove, the blocking plate is attached to the arc-shaped gasket, the transverse plate will squeeze the rubber strip below, the effect of sealing the gap between the blocking plate and the vertical tube, the disc squeezes the sealing ring below, the effect of sealing the gap between the slide plate and the vertical tube, which can reduce the friction loss of the seal, and solves the problem that the sealing component of the existing shut-off valve is worn out after long-term use, resulting in gas leakage due to loose sealing.

Description

Technical Field

[0001] The invention relates to the technical field of electromagnetic gas cut-off valves, in particular to an electromagnetic explosion-proof gas safety quick cut-off valve. Background Art

[0002] In order to ensure the safe use of gas, people will install gas concentration detectors indoors and connect emergency shut-off valves to the gas pipelines. When the gas concentration detector detects that the indoor gas concentration exceeds the set value, an alarm will be sounded and the emergency shut-off valve will be controlled to close urgently to prevent the gas from continuing to leak out. The existing gas quick shut-off valve usually uses a rubber ring for sealing when cutting off the gas pipe. After long-term use, the rubber ring will wear out due to friction, resulting in gas leakage. The rubber ring needs to be replaced. However, replacing the rubber ring requires disassembling the shut-off valve, which is inconvenient. Therefore, we propose an electromagnetic explosion-proof gas safety quick cut-off valve to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides an electromagnetic explosion-proof gas safety quick cut-off valve to solve the problems mentioned in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: an electromagnetic explosion-proof gas safety quick cut-off valve, comprising: a horizontal pipe and a vertical pipe, the horizontal pipe is used to connect the gas pipe for transporting gas; Spring 1 and top plate, spring 1 is used to drive the top plate to move downward, the spring 1 is arranged at the top end of the vertical tube, and the top plate is welded and arranged on the side of the spring 1 away from the vertical tube; A handle, which is welded on the top of the top plate and is used to move the top plate; A slide plate, which is arranged inside the vertical tube and is arranged in a square shape; A plugging plate, used for plugging the vertical pipe, wherein a rubber pad is provided at the edge of the plugging plate; At least four rubber strips for sealing, the four rubber strips being arranged on the inner side of the vertical tube and symmetrically arranged on both sides of the sealing plate; two horizontal plates for squeezing the rubber strips; A disc and two sealing rings, wherein the disc is fixedly sleeved on the outside of the slide plate, and the two sealing rings are arranged on the upper and lower sides of the disc; A limit groove is used to limit the downward movement of the slide plate, and the limit groove is arranged on the left side of the slide plate; A limit rod, the limit rod is slidably arranged on the inner side of the vertical tube, and an outer fixed sleeve of the limit rod is provided with a moving plate; Spring 2, used for supporting the moving plate, the spring 2 is arranged between the moving plate and the vertical tube; A connecting rod, a protective cover and an electromagnetic coil, wherein the connecting rod is welded and arranged inside the vertical tube, the protective cover is arranged outside the vertical tube, and the electromagnetic coil is fixedly installed inside the protective cover; The arc-shaped gasket is used to cooperate with the sealing plate for sealing, and the arc-shaped gasket is arranged on the inner side of the transverse tube.

[0005] Preferably, it also includes: A super capacitor, used to supply power to the electromagnetic coil, wherein the super capacitor is arranged on the left side of the electromagnetic coil; A shielding cover is used to protect the supercapacitor, and the shielding cover is threadedly connected to the inner side of the protective cover; A plug-in slot and a connecting terminal, wherein the plug-in slot is arranged on the inner side of the electromagnetic coil, and the connecting terminal is arranged at the output end of the super capacitor.

[0006] Preferably, it also includes: A control module, used to receive and send instructions, the control module includes a main control chip, a storage unit and a communication interface, the main control chip is configured to execute a data processing algorithm and interact with an external device through the communication interface; The battery is used to supply power to the control module and the electromagnetic coil.

[0007] Preferably, a groove is provided inside the protective cover, and the movable plate is arranged on the inner side of the groove.

[0008] Preferably, the plug slot and the connection terminal are arranged correspondingly, and the electromagnetic coil is externally connected to a power line for supplying power to the electromagnetic coil.

[0009] Preferably, the supercapacitor is externally connected to a power supply line, and the power supply line is arranged to penetrate the inner side of the shielding cover.

[0010] Preferably, a sealing cavity is opened on the inner side of the vertical tube, the disc and the sealing ring are arranged on the inner side of the sealing cavity, and the sealing ring is made of rubber material.

[0011] Preferably, the electromagnetic coil is arranged corresponding to the limiting rod, and the limiting rod is arranged through the inner side of the protective cover.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The electromagnetic explosion-proof gas safety quick shut-off valve controls the operation of the electromagnetic coil to adsorb the limit rod. The limit rod is away from the limit groove. The spring drives the top plate and the slide plate to move downward, and the blocking plate is attached to the arc-shaped gasket. When the blocking plate is attached to the arc-shaped gasket, the horizontal plate will squeeze the rubber strip below to achieve the effect of sealing the distance between the blocking plate and the vertical pipe. The disc squeezes the sealing ring below to achieve the effect of sealing the gap between the slide plate and the vertical pipe, which can reduce the friction loss of the seal and solve the problem of wear of the sealing component of the existing shut-off valve under long-term use, resulting in gas leakage due to loose sealing.

[0013] 2. If the electromagnetic coil of the electromagnetic explosion-proof gas safety quick shut-off valve fails to work, it can be operated in manual mode. Move the moving plate to the left, and the moving plate will drive the limit rod away from the limit groove. At this time, the shut-off valve can also be blocked to complete the shut-off process.

[0014] 3. The electromagnetic explosion-proof gas safety quick shut-off valve and control module interact with existing mobile devices such as mobile phones and computers to achieve the effect of remote control of the operation of the electromagnetic coil. After receiving the signal, the control module controls the operation of the electromagnetic coil to adsorb the limit rod to achieve the effect of remote control valve closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention; Figure 2 It is a front cross-sectional schematic diagram of the structure of the present invention; Figure 3 It is a side cross-sectional schematic diagram of the structure of the present invention; Figure 4 It is a three-dimensional schematic diagram of the protective cover and its related structures of the present invention; Figure 5 It is a front view and cross-sectional schematic diagram of the protective cover and its related structures of the present invention; Figure 6 It is a three-dimensional schematic diagram of the skateboard of the present invention and its related structures; Figure 7 The structure of the present invention Figure 2 The enlarged schematic diagram at A in the middle; Figure 8 The structure of the present invention Figure 2 Enlarged schematic diagram of point B in the middle.

[0016] In the figure: 1. horizontal tube; 2. vertical tube; 3. spring 1; 4. top plate; 5. handle; 6. slide plate; 7. blocking plate; 8. horizontal plate; 9. disc; 10. sealing ring; 11. rubber strip; 12. limit groove; 13. limit rod; 14. spring 2; 15. moving plate; 16. connecting rod; 17. protective cover; 18. electromagnetic coil; 19. super capacitor; 20. shielding cover; 21. control module; 22. battery; 23. arc gasket; 24. plug-in slot; 25. connecting terminal. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Example: Please refer to Figure 1-8. An electromagnetic explosion-proof gas safety quick cut-off valve comprises: a horizontal pipe 1 and a vertical pipe 2, wherein the horizontal pipe 1 is used to connect a gas pipe for transporting gas; Spring 1 3 and top plate 4, spring 1 3 is used to drive top plate 4 to move downward, spring 1 3 is arranged at the top end of vertical tube 2, and top plate 4 is welded and arranged on the side of spring 1 3 away from vertical tube 2; A handle 5, which is welded on the top of the top plate 4 and is used to move the top plate 4; The slide plate 6 is arranged inside the vertical tube 2 and is arranged in a square shape; The plugging plate 7 is used to plug the vertical pipe 2, and a rubber pad is provided at the edge of the plugging plate 7; At least four rubber strips 11 are used for sealing. The four rubber strips 11 are arranged on the inner side of the vertical tube 2 and are symmetrically arranged on both sides of the sealing plate 7; Two transverse plates 8 for squeezing the rubber strip 11; A disc 9 and two sealing rings 10, wherein the disc 9 is fixedly sleeved on the outer side of the slide plate 6, and the two sealing rings 10 are arranged on the upper and lower sides of the disc 9; A limit groove 12 is used to limit the downward movement of the slide plate 6, and the limit groove 12 is provided on the left side of the slide plate 6; A limit rod 13, the limit rod 13 is slidably arranged on the inner side of the vertical tube 2, and a movable plate 15 is arranged on the outer fixed sleeve of the limit rod 13; The second spring 14 is used to support the moving plate 15, and the second spring 14 is arranged between the moving plate 15 and the vertical tube 2; A connecting rod 16, a protective cover 17 and an electromagnetic coil 18, wherein the connecting rod 16 is welded and arranged inside the vertical tube 2, the protective cover 17 is arranged outside the vertical tube 2, and the electromagnetic coil 18 is fixedly installed inside the protective cover 17; The arc-shaped gasket 23 is used to cooperate with the sealing plate 7 for sealing, and the arc-shaped gasket 23 is arranged on the inner side of the transverse tube 1; Specifically, In the embodiment: a super capacitor 19 is used to supply power to the electromagnetic coil 18, and the super capacitor 19 is arranged on the left side of the electromagnetic coil 18; The shielding cover 20 is used to protect the super capacitor 19, and the shielding cover 20 is threadedly connected to the inner side of the protective cover 17; A plug-in slot 24 and a connection terminal 25, wherein the plug-in slot 24 is arranged on the inner side of the electromagnetic coil 18, and the connection terminal 25 is arranged on the output end of the super capacitor 19; Specifically, when the cut-off valve is not in use, the limiting rod 13 is plugged into the limiting groove 12, and the blocking plate 7 is away from the arc-shaped gasket 23, so that the transverse pipe 1 is in a passage state, and the cut-off valve is in an open state. At this time, the slide plate 6 drives the blocking plate 7 to move upward, and drives the transverse plate 8 to squeeze the rubber strip 11 above, so as to complete the effect of sealing the gap between the blocking plate 7 and the vertical pipe 2. At this time, the slide plate 6 drives the disc 9 to move upward, so that the sealing ring 10 at the top of the disc 9 fits on the top of the sealing cavity, so as to achieve the effect of sealing the gap between the slide plate 6 and the vertical pipe 2, and prevent gas leakage; If a special situation occurs and the shut-off valve needs to be closed, the electromagnetic coil 18 is controlled to operate, and the electromagnetic coil 18 will generate a magnetic force to adsorb the limit rod 13. At this time, the limit rod 13 is away from the limit groove 12, and then the spring 13 drives the top plate 4 and the slide plate 6 to move downward, and the slide plate 6 will drive the blocking plate 7 to move downward until the blocking plate 7 fits on the arc-shaped gasket 23 to achieve the effect of blocking the horizontal pipe 1, and the blocking process can be completed. When the blocking plate 7 fits on the arc-shaped gasket 23, the horizontal plate 8 will squeeze the rubber strip 11 below to achieve the effect of sealing the distance between the sealing plate 7 and the vertical pipe 2, and the disc 9 squeezes the sealing ring 10 below to achieve the effect of sealing the gap between the slide plate 6 and the vertical pipe 2, which can achieve a better sealing effect and solve the problem that the sealing component of the existing shut-off valve is worn out after long-term use, resulting in gas leakage due to loose sealing; If the electromagnetic coil 18 fails to work, the manual mode can be used to operate the movable plate 15 to the left, and the movable plate 15 will drive the limit rod 13 away from the limit groove 12. At this time, the cut-off valve can also be blocked to complete the cut-off process. When the shut-off valve needs to be reset, it is only necessary to move the handle 5 upward, the handle 5 will drive the top plate 4 and the slide plate 6 to move upward, the slide plate 6 will drive the blocking plate 7 to move upward, until the limiting groove 12 in the slide plate 6 is plugged with the limiting rod 13, at this time the slide plate 6 drives the blocking plate 7 to move upward, drives the cross plate 8 to squeeze the rubber strip 11 above, completes the effect of sealing the gap between the blocking plate 7 and the vertical pipe 2, and realizes the effect of limiting the downward movement of the blocking plate 7; When the supercapacitor 19 needs to be replaced, the shielding cover 20 is twisted to remove the shielding cover 20 from the inside of the protective cover 17, and the supercapacitor 19 is pulled out to separate the connecting terminal 25 and the plug slot 24, and then a new supercapacitor 19 is replaced, and the shielding cover 20 is installed inside the protective cover 17 to complete the replacement process; In the embodiment: the control module 21 is used to receive and send instructions, the control module 21 includes a main control chip, a storage unit and a communication interface, the main control chip is configured to execute a data processing algorithm and interact with an external device through the communication interface; The battery 22 is used to supply power to the control module 21 and the electromagnetic coil 18; Specifically, the battery 22 can independently power the control module 21 and the electromagnetic coil 18, and the battery 22 is used first for power supply. When the current of the battery 22 is insufficient to support the operation of the electromagnetic coil 18, the backup power supply, the super capacitor 19, is used to power the electromagnetic coil 18 to achieve the effect of controlling the movement of the limit rod 13; The control module 21 interacts with existing mobile devices such as mobile phones and computers to achieve the effect of remotely controlling the operation of the electromagnetic coil 18. After receiving the signal, the control module 21 controls the electromagnetic coil 18 to operate to adsorb the limit rod 13 to achieve the effect of remotely controlling the valve to close. In the embodiment: a groove is provided inside the protective cover 17, and the movable plate 15 is arranged inside the groove; Specifically, a groove is provided inside the protective cover 17, and the movable plate 15 is arranged in the groove, leaving space for the movable plate 15 to move horizontally, so as to achieve the effect of not affecting the horizontal movement of the movable plate 15; In the embodiment: the plug slot 24 and the connection terminal 25 are arranged correspondingly, and the electromagnetic coil 18 is externally connected with a power line for supplying power to the electromagnetic coil 18; Specifically, the plug slot 24 and the connection terminal 25 are arranged correspondingly, which can achieve the effect of power supply, and conduct the current in the super capacitor 19 to the inside of the electromagnetic coil 18 to achieve the effect of powering the electromagnetic coil 18; In the embodiment: the super capacitor 19 is externally connected to a power supply line, and the power supply line is arranged through the inner side of the shielding cover 20; Specifically, the supercapacitor 19 is externally connected with a power supply line, which can supply power to the supercapacitor 19 to achieve a better charging effect, so that the supercapacitor 19 has a larger voltage, which can drive the electromagnetic coil 18 to operate. The power supply line is set through the inner side of the shielding cover 20, which can be more convenient for external power supply to supply power; In the embodiment: a sealing cavity is opened inside the vertical tube 2, a disc 9 and a sealing ring 10 are arranged inside the sealing cavity, and the sealing ring 10 is made of rubber material; Specifically, a sealing cavity is provided inside the vertical tube 2, which can cooperate with the disc 9 and the sealing ring 10 to achieve a sealing effect, and seal the gap between the slide plate 6 and the vertical tube 2. The sealing ring 10 is made of rubber and can be deformed to achieve a better sealing effect. In the embodiment: the electromagnetic coil 18 is arranged corresponding to the limiting rod 13, and the limiting rod 13 is arranged through the inner side of the protective cover 17; Specifically, the electromagnetic coil 18 is arranged corresponding to the limit rod 13. When the electromagnetic coil 18 is energized, a magnetic force is generated on the side of the electromagnetic coil 18 close to the limit rod 13, so that the limit rod 13 is attracted to the electromagnetic coil 18, and the limit rod 13 is attached to the electromagnetic coil 18. The limit rod 13 is arranged on the inner side of the protective cover 17, so that the limit rod 13 can be moved to the inner side of the protective cover 17. In the embodiment: the control module 21, the electromagnetic coil 18, the battery 22 and the supercapacitor 19 are existing structures, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0019] Working principle: when the shut-off valve needs to be closed, the electromagnetic coil 18 is controlled to operate, and the electromagnetic coil 18 will generate magnetic force to adsorb the limit rod 13. At this time, the limit rod 13 is away from the limit groove 12, and the spring 13 drives the top plate 4 and the slide plate 6 to move downward, and the slide plate 6 will drive the blocking plate 7 to move downward until the blocking plate 7 is attached to the arc-shaped gasket 23 to achieve the effect of blocking the horizontal pipe 1, and the blocking process can be completed. When the blocking plate 7 is attached to the arc-shaped gasket 23, the horizontal plate 8 will squeeze the rubber strip 11 below to achieve the effect of sealing the distance between the sealing plate 7 and the vertical pipe 2, and the disc 9 squeezes the sealing ring 10 below to achieve the effect of sealing the gap between the slide plate 6 and the vertical pipe 2, which can achieve a better sealing effect and solve the problem that the sealing component of the existing shut-off valve is worn out after long-term use, resulting in gas leakage due to loose sealing.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic explosion-proof gas safety quick cut-off valve, characterized in that: include: A horizontal pipe (1) and a vertical pipe (2), wherein the horizontal pipe (1) is used to connect to the gas pipe for transporting gas; Spring 1 (3) and a top plate (4), wherein the spring 1 (3) is used to drive the top plate (4) to move downward, the spring 1 (3) is arranged at the top end of the vertical tube (2), and the top plate (4) is welded and arranged on a side of the spring 1 (3) away from the vertical tube (2); A handle (5), the handle (5) being welded to the top of the top plate (4) and used for moving the top plate (4); A slide plate (6), the slide plate (6) being arranged inside the vertical tube (2) and being arranged in a square shape; A blocking plate (7) is used to block the vertical pipe (2), and a rubber pad is provided at the edge of the blocking plate (7); At least four rubber strips (11) for sealing, the four rubber strips (11) being arranged on the inner side of the vertical tube (2) and symmetrically arranged on both sides of the sealing plate (7); Two transverse plates (8) for squeezing the rubber strip (11); A disc (9) and two sealing rings (10), wherein the disc (9) is fixedly sleeved on the outside of the slide plate (6), and the two sealing rings (10) are arranged on the upper and lower sides of the disc (9); A limiting groove (12) for limiting the downward movement of the slide plate (6), wherein the limiting groove (12) is provided on the left side of the slide plate (6); A limiting rod (13), the limiting rod (13) being slidably arranged on the inner side of the vertical tube (2), and an outer fixed sleeve of the limiting rod (13) being provided with a movable plate (15); Spring 2 (14), used for supporting the moving plate (15), the spring 2 (14) being arranged between the moving plate (15) and the vertical tube (2); A connecting rod (16), a protective cover (17) and an electromagnetic coil (18), wherein the connecting rod (16) is welded and arranged inside the vertical tube (2), the protective cover (17) is arranged outside the vertical tube (2), and the electromagnetic coil (18) is fixedly installed inside the protective cover (17); The arc-shaped gasket (23) is used to cooperate with the sealing plate (7) for sealing, and the arc-shaped gasket (23) is arranged on the inner side of the transverse tube (1).

2. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 1 is characterized in that: Also includes: A super capacitor (19) for supplying power to the electromagnetic coil (18), wherein the super capacitor (19) is arranged on the left side of the electromagnetic coil (18); A shielding cover (20) for protecting the supercapacitor (19), wherein the shielding cover (20) is threadedly connected to the inner side of the protective cover (17); A plug-in slot (24) and a connection terminal (25), wherein the plug-in slot (24) is arranged on the inner side of the electromagnetic coil (18), and the connection terminal (25) is arranged at the output end of the super capacitor (19).

3. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 1 is characterized in that: Also includes: A control module (21) for receiving and sending instructions, the control module (21) comprising a main control chip, a storage unit and a communication interface, the main control chip being configured to execute a data processing algorithm and interact with an external device via the communication interface; The storage battery (22) is used to supply power to the control module (21) and the electromagnetic coil (18).

4. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 1 is characterized in that: A groove is provided inside the protective cover (17), and the movable plate (15) is arranged on the inner side of the groove.

5. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 2 is characterized in that: The plug-in slot (24) and the connection terminal (25) are arranged correspondingly, and the electromagnetic coil (18) is externally connected to a power line for supplying power to the electromagnetic coil (18).

6. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 2 is characterized in that: The super capacitor (19) is externally connected to a power supply line, and the power supply line is arranged to penetrate the inner side of the shielding cover (20).

7. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 1 is characterized in that: A sealing cavity is provided on the inner side of the vertical tube (2), and the disc (9) and the sealing ring (10) are arranged on the inner side of the sealing cavity. The sealing ring (10) is made of rubber material.

8. The electromagnetic explosion-proof gas safety quick cut-off valve according to claim 1 is characterized in that: The electromagnetic coil (18) is arranged corresponding to the limiting rod (13), and the limiting rod (13) is arranged to penetrate the inner side of the protective cover (17).

Images