Gas leakage cut-off device

Abstract

The utility model relates to the technical field of gas leakage cut-off, and discloses a gas leakage cut-off device which comprises a gas leakage detector and a cut-off mechanism. The cut-off mechanism comprises a control valve, a controller and a cut-off assembly. The cutting-off assembly comprises a supporting frame, a cutting-off motor, a cutting-off piece and a connecting assembly. A fixing seat is arranged on one side of the supporting frame, and a fixing piece is arranged on the controller. The connecting assembly comprises a connecting seat and a connecting piece; a sealing piece is arranged on the inner side of the control valve, the gas leakage detector and the cut-off mechanism are arranged, the gas leakage detector, the control valve and the controller are used in cooperation, the cut-off motor can be controlled to be started and stopped, the connecting piece and the connecting base control the cut-off piece to rotate, the control valve is closed, and gas supply is cut off; all potential safety hazards are avoided, the safety of a user is guaranteed to the maximum extent, and the controller can be disassembled and maintained through the arranged fixing base, fixing pieces and fixing rods.

Description

Technical Field

[0001] The utility model relates to the technical field of gas leakage cutting off, in particular to a gas leakage cutting off device. Background Art

[0002] Coal gas refers to gas produced by heating fuels such as coal or wood. Common types of coal gas include town gas, natural gas and liquefied petroleum gas (LPG). In the past, coal gas was widely used for purposes such as lighting, heating and cooking.

[0003] During the use of gas, gas pipelines or equipment may leak. When this happens indoors, it is easy to cause serious injuries. Therefore, a gas leak cut-off device is needed to cut off the gas supply to avoid dangerous situations such as fire and explosion. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a gas leakage cutting device, which can solve the technical problems raised in the background technology.

[0006] (II) Technical solution

[0007] The utility model is implemented by the following technical scheme: a gas leakage cut-off device, comprising a gas leakage detector detachably installed indoors and a cut-off mechanism arranged indoors and electrically connected to the gas leakage detector, wherein the gas leakage detector is installed in the kitchen and can detect whether the gas is leaking; wherein the cut-off mechanism comprises a control valve detachably connected to the indoor gas pipeline, a controller detachably installed on the control valve and a cut-off assembly connected to the controller, wherein the controller can control the cut-off assembly to control the closing of the control valve so that the indoor gas supply is stopped, and both ends of the control valve are detachably connected to the gas pipeline; the cut-off assembly comprises a support frame detachably installed on the upper end of the control valve, a detachable mounting bracket, and a mounting bracket. A cut-off motor mounted on the upper end of a support frame, a cut-off piece rotatably mounted inside a control valve, and a connecting assembly connecting the cut-off motor to the cut-off piece, wherein the cut-off motor controls the cut-off piece to close the control valve via the connecting assembly; a fixing seat is provided on one side of the support frame, a fixing piece detachably connected to the fixing seat is provided on the controller, and the controller can control the cut-off motor to open and close; the connecting assembly includes a connecting seat rotatably arranged on the upper end of the control valve and a connecting piece detachably arranged on the output shaft of the cut-off motor, wherein the connecting piece and the connecting seat can drive the cut-off piece to rotate; the connecting seat seal is provided on the upper end of the control valve; a sealing piece connected to the cut-off piece is provided on the inner top surface of the control valve.

[0008] Preferably, the cutting member comprises a rotating rod vertically arranged at the bottom end of the connecting seat, a rotating member connected to the bottom end of the rotating rod, and a cutting block symmetrically arranged on the outer wall of the rotating member.

[0009] Preferably, the bottom end surface of the rotating part fits with the inner bottom surface of the control valve, the cross-section of the rotating part is an elliptical structure, and the outer wall of the cutting block fits with the inner wall of the control valve, so as to hermetically separate the internal space of the control valve.

[0010] Preferably, the connecting member includes a connecting block connected to the output shaft of the cutting motor, a reinforcement rod vertically arranged at the bottom end of the connecting block, several groups of reinforcement strips arranged on the outer wall of the reinforcement rod and several groups of limit clips arranged on the outer wall of the reinforcement rod, the connecting seat is provided with a connecting groove and a clip slot connected to the connecting groove, the reinforcement rod and the reinforcement strip are both connected to the connecting groove, and the limit clip is snap-fitted in the clip slot.

[0011] Preferably, the reinforcement strip includes a first reinforcement block arranged on the outer wall of the reinforcement rod and a second reinforcement block arranged on a side of the first reinforcement block, the second reinforcement block is a rectangular structure, the cross-section of the first reinforcement block is a trapezoidal surface, the limiting clamp includes a connecting strip arranged on the outer wall of the reinforcement rod and a clamping strip arranged on a side of the connecting strip, the cross-section of the clamping strip is elliptical, and several groups of the first reinforcement blocks and several groups of connecting strips are arranged in a circular array on the reinforcement rod.

[0012] Preferably, the support frame includes a support plate with a cylindrical structure and two groups of support rods symmetrically arranged on the support plate, the bottom ends of the support rods are vertically arranged on the control valve, and the support rods are threaded with threaded blocks connected to the support plate.

[0013] Preferably, a reinforcing block vertically connected to the support plate is provided on one side of the fixing seat, a fixing rod for fixing the fixing member is provided on the fixing seat, a fixing groove fitting with the fixing member is provided on the fixing seat, the fixing member is in a "convex"-shaped structure, and a fixing hole connected to the fixing rod is provided on the fixing member.

[0014] Preferably, a power socket is provided on one side of the control valve, and an external plug connected to the power socket is provided on the cut-off motor.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a gas leakage cutting device, which has the following beneficial effects:

[0017] The gas leakage cut-off device, through the set gas leakage detector and cut-off mechanism, the gas leakage detector, the control valve and the controller are used in conjunction to control the opening and closing of the cut-off motor, so that the connecting piece and the connecting seat control the cut-off piece to rotate, thereby closing the control valve and cutting off the gas supply, cutting off all safety hazards, and ensuring the safety of users to the greatest extent. The controller can be disassembled and maintained through the set fixing seat, fixing piece and fixing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a partial structural diagram of the utility model.

[0019] Figure 2 It is a partial structural diagram of the cutting component and the connecting seat in the utility model.

[0020] Figure 3 It is a partial structural diagram of the connecting component in the utility model.

[0021] Figure 4 It is a partial structural diagram of the controller and the support frame in the utility model.

[0022] In the figure: 1. Leakage detector; 2. Control valve; 3. Controller; 4. Support frame; 5. Cut-off motor; 6. Cut-off piece; 7. Fixed seat; 8. Fixed piece; 9. Connecting seat; 10. Connecting piece; 11. Sealing piece; 12. Rotating rod; 13. Rotating piece; 14. Cut-off block; 15. Connecting block; 16. Reinforcement rod; 17. Reinforcement strip; 18. Limiting clamp; 19. Connecting groove; 20. Clamping groove; 21. First reinforcement block; 22. Second reinforcement block; 23. Connecting strip; 24. Clamping strip; 25. Support plate; 26. Support rod; 27. Threaded block; 28. Strengthening block; 29. ​​Fixing rod. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0024] Example 1: Please refer to Figure 1 - Figure 4The gas leakage cut-off device of this embodiment includes a gas leakage detector 1 in the room and a cut-off mechanism arranged in the room and electrically connected to the gas leakage detector 1. The gas leakage detector 1 is installed in the kitchen and can detect whether the gas is leaking. An alarm device is arranged inside the gas leakage detector 1 to alarm people; wherein the cut-off mechanism includes a control valve 2 detachably connected to the indoor gas pipeline, a controller 3 detachably installed on the control valve 2 and a cut-off component connected to the controller 3, the controller 3 can control the cut-off component to control the closing of the control valve 2 so that the indoor gas supply is stopped, and the two ends of the control valve 2 are detachably connected to the gas pipeline; the cut-off component includes a support frame 4 detachably installed on the upper end of the control valve 2, a cut-off motor 5 detachably installed on the upper end of the support frame 4, a cut-off piece 6 rotatably installed inside the control valve 2 and a connecting member connecting the cut-off motor 5 to the cut-off piece 6 The connecting assembly is provided, and the cut-off motor 5 controls the cut-off piece 6 to close the control valve 2 through the connecting assembly; a fixing seat 7 is provided on one side of the support frame 4, and a fixing piece 8 detachably connected to the fixing seat 7 is provided on the controller 3, and the controller 3 can control the cut-off motor 5 to open and close; the connecting assembly includes a connecting seat 9 rotatably arranged on the upper end of the control valve 2 and a connecting piece 10 detachably arranged on the output shaft of the cut-off motor 5, and the connecting piece 10 and the connecting seat 9 can drive the cut-off piece 6 to rotate; the connecting seat 9 is sealingly arranged on the upper end of the control valve 2; a sealing piece 11 connected to the cut-off piece 6 is provided on the inner top surface of the control valve 2, when the gas leakage detector 1 detects a gas leakage, the controller 3 controls the cut-off motor 5 to start, the cut-off motor 5 drives the connecting piece 10 to rotate, the connecting piece 10 drives the connecting seat 9 to rotate, and the connecting seat 9 drives the cut-off piece 6 to rotate, so that the control valve 2 can be closed.

[0025] The cutting member 6 includes a rotating rod 12 vertically arranged at the bottom end of the connecting seat 9, a rotating member 13 connected to the bottom end of the rotating rod 12, and a cutting block 14 symmetrically arranged on the outer wall of the rotating member 13. The cutting motor 5 rotates through the connecting member 10 and the connecting seat 9, so that the connecting seat 9 drives the rotating rod 12 to rotate, so that the rotating rod 12 drives the rotating member 13 to rotate, and the rotating member 13 drives the cutting block 14 to rotate, so that the cutting block 14 closes the control valve 2.

[0026] The bottom end surface of the rotating member 13 fits with the inner bottom surface of the control valve 2. The cross section of the rotating member 13 is an elliptical structure. The outer wall of the cutting block 14 fits with the inner wall of the control valve 2, which can seal and separate the internal space of the control valve 2.

[0027] The connecting member 10 includes a connecting block 15 connected to the output shaft of the cutting motor 5, a reinforcement rod 16 vertically arranged at the bottom end of the connecting block 15, several groups of reinforcement strips 17 arranged on the outer wall of the reinforcement rod 16 and several groups of limit clamps 18 arranged on the outer wall of the reinforcement rod 16. A connecting groove 19 and a clamping groove 20 connected to the connecting groove 19 are provided on the connecting seat 9. The reinforcement rod 16 and the reinforcement strip 17 are both connected to the connecting groove 19. The limit clamp 18 is engaged in the clamping groove 20. Start the cutting motor 5 to drive the connecting block 15 to rotate, so that the connecting block 15 drives the reinforcement rod 16 to rotate, and the reinforcement rod 16 drives the reinforcement strip 17 and the limit clamp 18 to rotate, thereby driving the connecting seat 9 to rotate, the reinforcement rod 16 and the reinforcement strip 17 are inserted into the connecting groove 19, and the limit clamp 18 is clamped into the clamping groove 20.

[0028] The reinforcement strip 17 includes a first reinforcement block 21 arranged on the outer wall of the reinforcement rod 16 and a second reinforcement block 22 arranged on a side of the first reinforcement block 21, the second reinforcement block 22 is a rectangular structure, the cross-section of the first reinforcement block 21 is a trapezoidal surface, the limiting clamp 18 includes a connecting strip 23 arranged on the outer wall of the reinforcement rod 16 and a clamping strip 24 arranged on a side of the connecting strip 23, the cross-section of the clamping strip 24 is elliptical, and several groups of first reinforcement blocks 21 and several groups of connecting strips 23 are arranged in a circular array on the reinforcement rod 16.

[0029] The support frame 4 includes a support plate 25 with a cylindrical structure and two groups of support rods 26 symmetrically arranged on the support plate 25 . The bottom ends of the support rods 26 are vertically arranged on the control valve 2 . The support rods 26 are threaded with threaded blocks 27 connected to the support plate 25 .

[0030] A reinforcing block 28 vertically connected to the support plate 25 is provided on one side of the fixing seat 7, a fixing rod 29 for fixing the fixing member 8 is provided on the fixing seat 7, a fixing groove fitted with the fixing member 8 is provided on the fixing seat 7, the fixing member 8 is in a "convex" shape, and a fixing hole connected to the fixing rod 29 is provided on the fixing member 8. The fixing rod 29 is removed from the fixing hole, the fixing member 8 is removed from the fixing groove, and the fixing member 8 is removed from the fixing seat 7.

[0031] A power socket is provided on one side of the control valve 2, and an external plug connected to the power socket is provided on the cut-off motor 5.

[0032] When the gas leakage cut-off device is in use, when the gas leakage detector 1 detects gas leakage, the controller 3 controls the cut-off motor 5 to start, the cut-off motor 5 drives the connecting member 10 to rotate, the connecting member 10 drives the connecting seat 9 to rotate, and the connecting seat 9 drives the cut-off member 6 to rotate, so that the control valve 2 can be closed;

[0033] The cut-off motor 5 rotates through the connecting member 10 and the connecting seat 9, so that the connecting seat 9 drives the rotating rod 12 to rotate, so that the rotating rod 12 drives the rotating member 13 to rotate, and the rotating member 13 drives the cut-off block 14 to rotate, so that the cut-off block 14 closes the control valve 2;

[0034] Start the cutting motor 5 to drive the connecting block 15 to rotate, so that the connecting block 15 drives the reinforcing rod 16 to rotate, and the reinforcing rod 16 drives the reinforcing strip 17 and the limit clamp 18 to rotate, thereby driving the connecting seat 9 to rotate, inserting the reinforcing rod 16 and the reinforcing strip 17 into the connecting groove 19, and clamping the limit clamp 18 into the clamping groove 20;

[0035] The fixing rod 29 is removed from the fixing hole, the fixing member 8 is removed from the fixing groove, and the fixing member 8 is removed from the fixing seat 7 .

[0036] The gas leakage cut-off device, through the set leakage detector 1 and the cut-off mechanism, the leakage detector 1, the control valve 2 and the controller 3 are used in conjunction to control the opening and closing of the cut-off motor 5, so that the connecting member 10 and the connecting seat 9 control the cut-off member 6 to rotate, thereby closing the control valve 2, cutting off the gas supply, cutting off all safety hazards, and ensuring the safety of users to the greatest extent. The controller 3 can be disassembled and maintained through the set fixing seat 7, fixing member 8 and fixing rod 29.

[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A gas leakage cut-off device, characterized in that: include: A gas leakage detector (1) detachably installed indoors and a disconnection mechanism arranged indoors and electrically connected to the gas leakage detector (1); The cut-off mechanism comprises a control valve (2) detachably connected to the indoor gas pipeline, a controller (3) detachably mounted on the control valve (2), and a cut-off assembly connected to the controller (3); The cut-off assembly comprises a support frame (4) detachably mounted on the upper end of the control valve (2), a cut-off motor (5) detachably mounted on the upper end of the support frame (4), a cut-off member (6) rotatably mounted inside the control valve (2), and a connecting assembly connecting the cut-off motor (5) and the cut-off member (6); A fixing seat (7) is provided on one side of the support frame (4), and a fixing member (8) detachably connected to the fixing seat (7) is provided on the controller (3); The connection assembly comprises a connection seat (9) rotatably arranged on the upper end of the control valve (2) and a connection piece (10) detachably arranged on the output shaft of the cut-off motor (5); The connecting seat (9) is sealingly arranged at the upper end of the control valve (2); The inner top surface of the control valve (2) is provided with a sealing member (11) connected to the shut-off member (6).

2. The gas leakage cut-off device according to claim 1, characterized in that: The cutting member (6) comprises a rotating rod (12) vertically arranged at the bottom end of the connecting seat (9), a rotating member (13) connected to the bottom end of the rotating rod (12), and a cutting block (14) symmetrically arranged on the outer wall of the rotating member (13).

3. The gas leakage cut-off device according to claim 2, characterized in that: The bottom end surface of the rotating member (13) is in contact with the inner bottom surface of the control valve (2); the cross section of the rotating member (13) is an elliptical structure; the outer wall of the cutting block (14) is in contact with the inner wall of the control valve (2), so that the internal space of the control valve (2) can be sealed and separated.

4. The gas leakage cut-off device according to claim 1, characterized in that: The connecting member (10) comprises a connecting block (15) connected to the output shaft of the cutting motor (5), a reinforcing rod (16) vertically arranged at the bottom end of the connecting block (15), a plurality of groups of reinforcing strips (17) arranged on the outer wall of the reinforcing rod (16), and a plurality of groups of limit clamps (18) arranged on the outer wall of the reinforcing rod (16); the connecting seat (9) is provided with a connecting groove (19) and a clamping groove (20) connected to the connecting groove (19).

5. The gas leakage cut-off device according to claim 4, characterized in that: The reinforcing strip (17) comprises a first reinforcing block (21) arranged on the outer wall of the reinforcing rod (16) and a second reinforcing block (22) arranged on a side of the first reinforcing block (21); the limiting clamp (18) comprises a connecting strip (23) arranged on the outer wall of the reinforcing rod (16) and a clamping strip (24) arranged on a side of the connecting strip (23); and a plurality of groups of the first reinforcing blocks (21) and a plurality of groups of connecting strips (23) are arranged on the reinforcing rod (16) in a circular array.

6. The gas leakage cut-off device according to claim 1, characterized in that: The support frame (4) comprises a support plate (25) in a cylindrical structure and two groups of support rods (26) symmetrically arranged on the support plate (25), the bottom ends of the support rods (26) being vertically arranged on the control valve (2), and the support rods (26) being threadedly provided with threaded blocks (27) connected to the support plate (25).

7. The gas leakage cut-off device according to claim 6, characterized in that: A reinforcing block (28) vertically connected to the support plate (25) is provided on one side of the fixing seat (7), and a fixing rod (29) capable of fixing the fixing member (8) is provided on the fixing seat (7).

8. The gas leakage cut-off device according to claim 1, characterized in that: A power socket is provided on one side of the control valve (2), and an external plug connected to the power socket is provided on the cut-off motor (5).

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