CN215258103U

CN215258103U - Electromagnetic type gas emergency cut-off valve with manual valve closing function

Info

Publication number: CN215258103U
Application number: CN202121343798.1U
Authority: CN
Inventors: 杨碧平
Original assignee: Chongqing Naishi Valve Co ltd
Current assignee: Chongqing Naishi Valve Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses an electromagnetic type gas emergency cut-off valve with manual valve closing function, which comprises a gas pipeline, a connecting pipe is fixedly connected on the upper surface of the gas pipeline, a first fixed disk is fixedly connected on the upper surface of the connecting pipe, a second fixed disk is fixedly connected on the upper end of the first fixed disk through a bolt, a sleeve is fixedly connected on the upper surface of the second fixed disk, a rotary column is movably connected in the upper surface of the sleeve, a connecting column is fixedly connected on the upper surface of the rotary column, the connecting column is fixedly connected with an annular strip through a connecting rod, a fixing mechanism is fixedly connected on the lower surface of the rotary column, the fixing mechanism comprises a movable column, a circular groove matched with the movable column is arranged on the lower surface of the inner wall of the gas pipeline, the lower end of the movable column is movably connected in the circular groove, the upper surface of the movable column is fixedly connected with the lower surface of the rotary column, when a left valve and a right valve are staggered, a gas hole II and a gas hole I are shielded, and gas leakage is prevented, the gas passage can be cut off in time under the emergency condition by the device, and the gas using safety is ensured.

Description

Electromagnetic type gas emergency cut-off valve with manual valve closing function

Technical Field

The application relates to the technical field of gas shut-off valves, in particular to an electromagnetic type gas emergency shut-off valve with a manual valve closing function.

Background

The gas safety cut-off valve is used in gas transmission and distribution system to monitor gas pressure, when the system pressure is higher than set value, the safety valve can cut off power supply promptly to ensure system safety, and can utilize self pressure signal of pipe network to implement automatic cut-off action without adding power.

As disclosed in the chinese patent: gas pipeline emergency cut-off valve, patent number: CN205173633U, which is a power source that extends out through the output shaft of the electric push rod, the pawl extends into the ratchet between the ratchets of the ratchet wheel, the cam is braked, the valve core keeps the state of separating from the valve seat, and then the cam is closed; when an emergency occurs, the central processing unit receives a signal, the output shaft of the electric push rod retracts, the pawl is separated from the ratchet wheel, the valve rod falls, and the valve core is in close contact with the valve seat under the dual actions of the compression spring and the spring, so that the pipeline of the gas equipment is cut off emergently. Compared with the traditional emergency cut-off valve for cutting off the fuel gas manually, the scheme does not need manual control of an operator, the operator can complete the whole cutting-off process in a control center, and the safety of the operator is ensured; however, the valve cannot be closed under the condition of no electricity, and if the valve is in a power failure state, great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic type gas emergency cut-off valve with manual valve function of closing to solve the problem that provides among the above-mentioned background art.

The embodiment of the application adopts the following technical scheme: an electromagnetic type emergency fuel gas cut-off valve with a manual valve closing function comprises a fuel gas pipeline, wherein a connecting pipe is fixedly connected to the upper surface of the fuel gas pipeline, a first fixing disc is fixedly connected to the upper surface of the connecting pipe, a second fixing disc is fixedly connected to the upper end of the first fixing disc through a bolt, a sleeve is fixedly connected to the upper surface of the second fixing disc, a rotary column is movably connected to the upper surface of the sleeve in an inner connection mode, a connecting column is fixedly connected to the upper surface of the rotary column, and the connecting column is fixedly connected with an annular strip through a connecting rod;

the lower surface of the rotary column is fixedly connected with a fixing mechanism.

The fixing mechanism comprises a movable column, the upper surface of the movable column is fixedly connected with the lower surface of the rotating column, the upper end of the surface of the movable column is fixedly sleeved with a first sealing gasket, the lower end of the first sealing gasket is provided with a gear, the gear is fixedly sleeved on the surface of the movable column, the middle part of the surface of the movable column is movably sleeved with a right valve, the right surface of the right valve is provided with a first gas hole, the left side of the right valve is fixedly connected with a second sealing gasket, and the lower end of the surface of the movable column is fixedly sleeved with a limiting disc;

the two surfaces of the sealing gasket are movably connected with an opening and closing structure.

The opening and closing structure comprises a threaded ring, the inner wall of the threaded ring is movably connected with a sealing gasket II, a left valve is fixedly connected to the left surface of the threaded ring, and a fuel gas hole II is formed in the right surface of the left valve.

Preferably, the lower surface of the inner wall of the gas pipeline is provided with a circular groove matched with the movable column, and the lower end of the movable column is movably connected inside the circular groove in an inscribed mode.

Preferably, the middle part of the inner wall of the gas pipeline is provided with an annular groove, and the left valve is movably connected inside the annular groove in an inward mode.

Preferably, a column groove is formed in the upper surface of the gas pipeline, a sealing groove is formed in the inner wall of the column groove, the movable column is movably connected in the inner wall of the column groove in an inscribed mode, and the sealing gasket is movably connected in the sealing groove in an inscribed mode.

Preferably, the right surface of the threaded ring is in threaded connection with the left surface of the gear, and the left surface of the right valve is movably connected with the right surface of the left valve.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, when the shut-off valve can't be closed in emergency, the annular strip can be manually rotated by the accessible, the connecting column fixed with the annular strip is driven to rotate under the rotation of the annular strip, the connecting column drives the rotary column to rotate in the sleeve, the movable column fixed with the rotary column is driven to rotate under the rotation of the rotary column, the movable column drives the sealing gasket I fixedly sleeved on the surface of the movable column to rotate in the sealing gasket II at the moment, meanwhile, the movable column drives the gear to rotate to drive the threaded ring in threaded connection with the movable column to rotate, the left valve fixedly connected with the threaded ring is driven to rotate under the rotation of the threaded ring, the left valve and the right valve are staggered to shield the gas hole II and the gas hole I at the moment, the gas leakage is prevented, the gas passage can be timely cut off by the equipment under emergency, and the gas safety is ensured.

And secondly, when the operation of closing the stop valve is implemented, the movable column drives the first sealing gasket to rotate inside the sealing groove, meanwhile, the threaded ring in threaded connection with the movable column is driven to rotate under the rotation of the gear, the sealing ring on the surface of the left valve is driven to rotate inside the annular groove under the rotation of the threaded ring, and the sealing performance inside a gas pipeline is improved and gas leakage is avoided when the gas pipeline is used by the gas pipeline sealing device on the basis of the structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the gas pipeline of the present invention;

FIG. 3 is a schematic view of the left valve connection structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the movable column of the present invention;

fig. 5 is a schematic diagram of the structure of the right valve connection explosion of the present invention.

In the figure: 11. a gas pipeline; 12. a connecting pipe; 13. a first fixed disc; 14. a second fixed disc; 15. a sleeve; 16. turning the column; 17. connecting columns; 18. an annular strip; 21. a movable post; 22. a first sealing gasket; 23. a gear; 24. a right valve; 25. a first gas hole; 26. a second sealing gasket; 27. a limiting disc; 31. a threaded ring; 32. a left valve; 33. a second gas hole; 34. an annular groove; 35. a column groove; 36. sealing the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Embodiment one, please refer to fig. 1, fig. 2 and fig. 5, the utility model provides an electromagnetic type gas emergency cut-off valve with manual valve closing function, including gas pipeline 11, the fixed surface of gas pipeline 11 is connected with connecting pipe 12, the fixed surface of connecting pipe 12 is connected with fixed disk one 13, the upper end of fixed disk one 13 is connected with fixed disk two 14 through bolt fastening, the fixed surface of fixed disk two 14 is connected with sleeve 15, the movable inscription of sleeve 15 upper surface has a rotary column 16, the fixed surface of rotary column 16 is connected with a connecting column 17, connecting column 17 is connected with annular strip 18 through the connecting rod fastening;

the lower surface of the rotary column 16 is fixedly connected with a fixing mechanism.

The fixing mechanism comprises a movable column 21, a circular groove matched with the movable column 21 is formed in the lower surface of the inner wall of the gas pipeline 11, the lower end of the movable column 21 is movably connected inside the circular groove in an internal connection mode, the upper surface of the movable column 21 is fixedly connected with the lower surface of the rotating column 16, a first sealing gasket 22 is fixedly sleeved at the upper end of the surface of the movable column 21, a gear 23 is arranged at the lower end of the first sealing gasket 22, the gear 23 is fixedly sleeved on the surface of the movable column 21, a right valve 24 is movably sleeved in the middle of the surface of the movable column 21, a first gas hole 25 is formed in the right surface of the right valve 24, a second sealing gasket 26 is fixedly connected to the left side of the right valve 24, and a limiting disc 27 is fixedly sleeved at the lower end of the surface of the movable column 21;

the surface of the second sealing gasket 26 is movably connected with an opening and closing structure.

The opening and closing structure includes threaded ring 31, threaded ring 31 right side surface and 23 left surface threaded connection of gear, 24 left surfaces of right valve and the right surface swing joint of left valve 32, threaded ring 31 inner wall and sealed two 26 swing joints that fill up, threaded ring 31 left surface fixedly connected with left valve 32, left valve 32 includes sealing ring and valve body, the fixed cover of sealing ring is connected on the valve body surface, ring channel 34 has been seted up at 11 inner wall middle parts of gas pipeline, left valve 32 activity is internal at inside of ring channel 34, gas hole two 33 has been seted up on the right surface of left valve 32, column groove 35 has been seted up on gas pipeline 11 upper surface, seal groove 36 has been seted up to column groove 35 inner wall, activity column 21 activity is internal at column groove 35 inner wall, sealed 22 activity inscriptions of sealed pad are inside seal groove 36.

When in use: when the cut-off valve cannot be closed in emergency, the annular strip 18 can be manually rotated, the annular strip 18 rotates to drive the connecting column 17 fixed with the annular strip to rotate, the connecting column 17 drives the rotary column 16 to rotate in the sleeve 15, the rotary column 16 rotates to drive the movable column 21 fixed with the rotary column 21 to rotate, the movable column 21 rotates to drive the first sealing gasket 22 fixedly sleeved on the surface of the movable column to rotate in the second sealing gasket 26, meanwhile, the movable column 21 drives the gear 23 to rotate to drive the threaded ring 31 in threaded connection with the movable column to rotate, the threaded ring 31 rotates to drive the left valve 32 fixedly connected with the threaded ring 31 to rotate, the left valve 32 and the right valve 24 are staggered to shield the second gas hole 33 and the first gas hole 25, gas leakage is prevented, and the gas passage of the gas equipment can be cut off in time in emergency, ensuring the safety of gas utilization.

In the second embodiment, referring to fig. 3 and 4, on the basis of the first embodiment, when the operation of closing the shut-off valve is performed, the movable column 21 drives the first sealing gasket 22 to rotate inside the sealing groove 36, and simultaneously drives the threaded ring 31 in threaded connection with the gear 23 to rotate under the rotation of the gear 23, and drives the sealing ring on the surface of the left valve 32 to rotate inside the annular groove 34 under the rotation of the threaded ring 31, so that the sealing performance inside the gas pipeline 11 is improved and gas leakage is avoided when the device is used on the basis of the structure.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides an electromagnetic type gas emergency cut-off valve with manual valve function of closing, includes gas pipeline (11), fixed surface is connected with connecting pipe (12) on gas pipeline (11), fixed surface is connected with fixed disk (13) on connecting pipe (12), its characterized in that: the upper end of the first fixed disk (13) is fixedly connected with a second fixed disk (14) through bolts, the upper surface of the second fixed disk (14) is fixedly connected with a sleeve (15), the upper surface of the sleeve (15) is movably internally connected with a rotating column (16), the upper surface of the rotating column (16) is fixedly connected with a connecting column (17), and the connecting column (17) is fixedly connected with an annular strip (18) through a connecting rod;

the lower surface of the rotating column (16) is fixedly connected with a fixing mechanism.

2. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 1, characterized in that: the fixing mechanism comprises a movable column (21), the upper surface of the movable column (21) is fixedly connected with the lower surface of a rotating column (16), a first sealing gasket (22) is fixedly sleeved at the upper end of the surface of the movable column (21), a gear (23) is arranged at the lower end of the first sealing gasket (22), the gear (23) is fixedly sleeved on the surface of the movable column (21), a right valve (24) is movably sleeved in the middle of the surface of the movable column (21), a first gas hole (25) is formed in the right surface of the right valve (24), a second sealing gasket (26) is fixedly connected to the left side of the right valve (24), and a limiting disc (27) is fixedly sleeved at the lower end of the surface of the movable column (21);

the surface of the second sealing gasket (26) is movably connected with an opening and closing structure.

3. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 2, wherein: the opening and closing structure comprises a threaded ring (31), the inner wall of the threaded ring (31) is movably connected with a second sealing gasket (26), a left valve (32) is fixedly connected to the left surface of the threaded ring (31), and a second gas hole (33) is formed in the right surface of the left valve (32).

4. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 2, wherein: the lower surface of the inner wall of the gas pipeline (11) is provided with a circular groove matched with the movable column (21), and the lower end of the movable column (21) is movably connected inside the circular groove in an inner connection mode.

5. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 3, wherein: an annular groove (34) is formed in the middle of the inner wall of the gas pipeline (11), and the left valve (32) is movably connected inside the annular groove (34) in an inscribed mode.

6. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 2, wherein: column groove (35) have been seted up to gas pipeline (11) upper surface, seal groove (36) have been seted up to column groove (35) inner wall, activity post (21) activity inscription is in column groove (35) inner wall, sealed pad (22) activity inscription is inside in seal groove (36).

7. An electromagnetic type gas emergency cut-off valve with a manual valve closing function according to claim 3, wherein: the right surface of the threaded ring (31) is in threaded connection with the left surface of the gear (23), and the left surface of the right valve (24) is movably connected with the right surface of the left valve (32).