CN217056497U - Gas pipeline emergency cut-off valve - Google Patents
Gas pipeline emergency cut-off valve Download PDFInfo
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- CN217056497U CN217056497U CN202220843933.7U CN202220843933U CN217056497U CN 217056497 U CN217056497 U CN 217056497U CN 202220843933 U CN202220843933 U CN 202220843933U CN 217056497 U CN217056497 U CN 217056497U
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- valve clack
- shell
- partition plate
- gas pipeline
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Abstract
The utility model relates to the technical field of valves, in particular to an emergency cut-off valve for a gas pipeline, which comprises a shell and a circular valve clack arranged in the shell, wherein the two ends of the shell are respectively communicated with an air inlet pipe and an air outlet pipe; adopt the utility model discloses technical scheme can solve the gas trip valve that has in the technique and cut off the problem that the gas can not remote control reset after supplying with to simple structure, reliable and stable.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a gas pipeline emergency cut-off valve.
Background
The gas valve is a novel safety matching device for gas pipeline engineering, is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristic and closing sealing performance; the gas cut-off valve is connected with a combustible gas leakage monitoring instrument, when the combustible gas leakage is detected by the instrument, the main gas supply valve is automatically and quickly closed, the supply of gas is cut off, and the occurrence of malignant accidents can be timely prevented;
for example, in the utility model patent of "a gas pipeline emergency cut-off valve" with the publication number of CN214946654U, through the cooperation of components such as a gas sensor, a controller, an electromagnet, a circular valve flap and a second sealing gasket, when gas leaks, the gas sensor sends a signal to the controller, the controller then controls the electromagnet to be powered off, so that the circular valve flap drives the second sealing gasket to rotate, and the second sealing gasket seals the gas inlet to prevent the gas from leaking;
although above-mentioned technical scheme can realize cutting off to the gas valve automatically, but circular valve clack rotates the back and needs artifical manual the resetting, when being improper because of external environment or operation, makes circular valve clack cut off the interface channel of gas valve, needs the manual work to remove this moment, can not remote control carry out automatic re-setting, troublesome poeration.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a gas pipeline emergency cut-off valve to solve the problem that the gas cut-off valve among the prior art can not remote control reset after cutting off the gas and supplying with.
According to the embodiment of the utility model, the emergency cut-off valve for the gas pipeline comprises a shell and a circular valve clack arranged inside the shell; the two ends of the shell are respectively communicated with an air inlet pipe and an air outlet pipe; a connecting hole for communicating the air inlet pipe and the air outlet pipe is formed in the circular valve clack; a partition board is arranged in the shell and divides the interior of the shell into a first cavity and a second cavity;
the circular valve clack is arranged in the first cavity and connected with a power assembly; the circular valve clack reciprocates along the axial direction of the power assembly and closes the communication relation in a mode that the surface of the circular valve clack is abutted against the end surfaces of the air inlet pipe and the air outlet pipe;
and a controller integrating a communication function is arranged in the second chamber, and the power assembly is electrically connected with the controller.
The technical principle of the utility model is that: a connecting hole is formed in the circular valve clack, and under normal conditions, two ends of the connecting hole are connected with an air inlet pipe and an air outlet pipe, so that fuel gas normally passes through the connecting hole; when gas leaks, the controller controls the power component and drives the circular valve clack to move, the power component drives the circular valve clack to reciprocate along the axial direction of the circular valve clack, and after the circular valve clack moves for a certain distance, the surface of the circular valve clack is respectively propped against the end surfaces of the gas inlet pipe and the gas outlet pipe, and the gas leakage is prevented; when remote control reset is needed, the controller drives the circular valve clack to reset by controlling the power assembly again, and moves along the axis direction again to enable the connecting hole to communicate the air inlet pipe and the air outlet pipe; can make circular valve clack automatic re-setting simple and convenient after cutting off the gas supply through the integrated communication function of controller, remote control.
Preferably, the power assembly comprises a support rod fixedly arranged on the surface of the partition plate, a connecting block and a spring, wherein the connecting block and the spring are sleeved on the surface of the support rod; the connecting block is arranged on the surface of the circular valve clack and is penetrated through the supporting rod together with the circular valve clack in a sliding manner; the spring is arranged between the partition plate and the connecting block; and the surface of the partition plate is also provided with a first electromagnet which is mutually attracted with the connecting block after being electrified.
Through adopting above-mentioned technical scheme, the cooperation of first electro-magnet and spring can make circular valve clack along its axial reciprocating motion.
Preferably, the cross section of the connecting block is T-shaped, and the connecting block and the supporting rod form a ball screw pair structure together; and a positioning assembly for fixing the circular valve clack is arranged on the surface of the partition plate.
Through adopting above-mentioned technical scheme, circular valve clack also can produce the rotation in axial motion, and the convenience is mutually supported with locating component, can fix circular valve clack, improves stability.
Preferably, the positioning assembly comprises a second electromagnet and a clamping block; the fixture block elastically penetrates through the partition plate, and the fixture block and the electrified second electromagnet are mutually attracted; the surface of the circular valve clack is provided with a plurality of limiting holes; the limiting holes are all arranged on the motion track of the fixture block and can be mutually abutted against the fixture block; the second electromagnet is electrically connected with the controller.
Through adopting above-mentioned technical scheme, through the cooperation of fixture block and second electro-magnet, can the circular valve clack of quick fixation.
Preferably, the two limiting holes are arranged on the surface of one side, close to the partition plate, of the circular valve clack at intervals in the circumferential direction; when the clamping block is mutually clamped with any limiting hole, the connecting hole opens or closes the communication between the air inlet pipe and the air outlet pipe.
Through adopting above-mentioned technical scheme, two spacing holes correspond the gas respectively and communicate or the state when closing, can improve the stability of circular valve clack.
Preferably, an observation window for observing the first chamber is formed on the surface of the shell; the surface of the circular valve clack is provided with a mark for observing the motion state of the circular valve clack conveniently.
Through adopting above-mentioned technical scheme, conveniently observe the inside condition of casing.
Compared with the prior art, the utility model discloses following beneficial effect has:
the circular valve clack can be controlled to be communicated or a passage between the air inlet pipe and the air outlet pipe can be cut off through the matching of the power assembly, the connecting hole, the air outlet pipe, the air inlet pipe and the controller, the whole operation process can be remotely controlled through the controller, manual reset is not needed, and the time and cost wasted due to manual reset can be reduced; and when the circular valve clack cuts off or is communicated with a passage between the air inlet pipe and the air outlet pipe, the fixing assembly can fix and limit the circular valve clack, so that the circular valve clack is kept in a stable state and prevented from displacement, and the whole device is simple and reliable in structure.
Drawings
Fig. 1 is a front view of an emergency cut-off valve for a gas pipeline according to an embodiment of the present invention;
FIG. 2 is an exploded view of the emergency cut-off valve for a gas pipeline according to the present invention;
FIG. 3 is a schematic structural view of a second chamber of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3;
fig. 5 is a schematic view of the circular valve flap structure of the present invention.
In the drawings, wherein: the device comprises a shell 1, a circular valve clack 2, an air inlet pipe 3, an air outlet pipe 4, a connecting hole 5, a partition plate 6, a first chamber 7, a second chamber 8, a power assembly 9, a supporting rod 901, a connecting block 902, a first electromagnet 903, a controller 10, a positioning assembly 11, a second electromagnet 1101, a fixture block 1102, a limiting hole 12, an observation window 13, a supporting frame 14, a disc 15, a baffle 16 and a spring 17.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments as follows:
as shown in fig. 1 to 5, an embodiment of the present invention provides a gas pipeline emergency shut-off valve, which includes a housing 1 and a circular valve flap 2 disposed inside the housing 1; the left end and the right end of the shell 1 are respectively communicated with an air inlet pipe 3 and an air outlet pipe 4; a connecting hole 5 for communicating the air inlet pipe 3 with the air outlet pipe 4 is formed in the circular valve clack 2; a partition plate 6 is arranged in the shell 1, and the partition plate 6 divides the interior of the shell 1 into a first chamber 7 and a second chamber 8;
the circular valve clack 2 is arranged in the first chamber 7, and the circular valve clack 2 is connected with a power part; the circular valve clack 2 reciprocates along the axial direction under the action of the power part and closes the communication relation in a mode that the surface of the circular valve clack is abutted against the end surfaces of the air inlet pipe 3 and the air outlet pipe 4;
a controller 10 integrating a communication function is arranged in the second chamber 8, and the power assembly 9 is electrically connected with the controller 10.
When the air inlet pipe 3 is communicated with the air outlet pipe 4, the connecting hole 5 in the circular valve clack 2 is respectively communicated with the air inlet pipe 3 and the air outlet pipe 4 and used for transmitting fuel gas; when the fuel gas supply needs to be cut off, the controller 10 controls the power assembly 9 to enable the circular valve clack 2 to move, after the circular valve clack 2 axially moves for a certain distance along the support rod 901, the side surfaces of the circular valve clack 2 are respectively abutted against the end surfaces of the gas inlet pipe 3 and the gas outlet pipe 4, and the fuel gas supply is cut off; when needs reset, through the controller 10 sending signal for integrated communication function, controller 10 controls power component 9 once more and makes circular valve clack 2 reset, and the both ends of connecting hole 5 communicate with intake pipe 3 and outlet duct 4 respectively this moment, resume the gas intercommunication, and convenient operation is swift.
As shown in fig. 2 and fig. 3, according to another embodiment of the present invention, the emergency cut-off valve for a gas pipeline, wherein the power assembly 9 includes a support rod 901 fixedly disposed on the surface of the partition plate 6, and a connecting block 902 and a spring 17 sleeved on the surface of the support rod 901; the cross section of the connecting block 902 is T-shaped, the outer surface of the connecting block 902 penetrates through the circular valve clack 2 and is fixedly connected with the circular valve clack 2, and an iron block is bonded to the end face of the left end of the connecting block 902; a first electromagnet 903 which is mutually attracted with the connecting block 902 after being electrified is embedded on the surface of the partition plate 6, the spring 17 is arranged between the first electromagnet 903 and the circular valve clack 2, and when the electromagnet is electrified, the spring 17 props against the circular valve clack 2 to reset the circular valve clack 2, so that the circular valve clack 2 is communicated with the air inlet pipe 3 and the air outlet pipe 4;
the connecting block 902 and the circular valve clack 2 are arranged in the supporting rod 901 in a penetrating mode, the inner side surface of the connecting block 902 and the supporting rod 901 form a ball screw pair structure together, and the circular valve clack 2 can rotate while moving along the axial direction of the supporting rod 901; a baffle 16 is bonded on the right end face of the support rod 901 and used for limiting the movement distance of the circular valve clack 2 and preventing the circular valve clack 2 from being separated from the support rod 901, and when the circular valve clack 2 is abutted against the surface of the baffle 16, the connecting hole 5 is just communicated with the air inlet pipe 3 and the air outlet pipe 4; in order to ensure that the circular valve flap 2 can keep a state of cutting off the fuel gas passage after the first electromagnet 903 is powered off, the surface of the partition plate 6 is provided with a positioning assembly 11 for fixing the circular valve flap 2.
In this embodiment, the positioning assembly 11 includes a second electromagnet 1101 and a fixture block 1102; the fixture block 1102 is cylindrical and elastically penetrates through the partition plate 6; after being electrified, the second electromagnet 1101 is mutually attracted with the fixture block 1102; the second electromagnet 1101 is also electrically connected with the controller 10; the surface of the circular valve clack 2 close to the partition plate 6 is provided with two limiting holes 12, the two limiting holes 12 are axially and uniformly arranged, and the two limiting holes 12 can be mutually clamped with the clamping block 1102; when the fixture block 1102 is inserted into any one of the limiting holes 12, the fixture block 1102 can abut against the circular valve clack 2 and prevent the circular valve clack 2 from rotating, and the circular valve clack 2 is communicated or the communication between the air inlet pipe 3 and the air outlet pipe 4 is closed;
wherein, the surface of the partition plate 6 is connected with a support frame 14 positioned in the second chamber 8 by bolts, the support frame 14 is U-shaped, as shown in fig. 3 and 4, the fixture block 1102 is also arranged through the support frame 14; a disc 15 protruding outwards is integrally formed on the surface of the fixture block 1102, and a spring 17 is abutted between the disc 15 and the surface of the support frame 14; the second electromagnet 1101 is arranged on one side surface of the support frame 14 facing the disc 15, and the second electromagnet 1101 attracts the disc 15 after being electrified, so that the fixture block 1102 slides; when the second electromagnet 1101 is de-energised, the spring 17 returns to its natural state and is returned against the disc 15.
As shown in fig. 3, a buzzer alarm for alarming is further fixed on the surface of the partition board 6 through bolts, an observation window 13 is further formed in the surface of the shell 1, a mark for observing the motion state of the circular valve clack 2 is pasted on the surface of the circular valve clack, and workers or other personnel can observe the inside of the shell 1 conveniently, because the outer surface of the shell 1 is hinged to cover plates covering the first chamber 7 and the second chamber 8 under normal conditions, the shell 1 is sealed to prevent accidents, and the cover plates are not shown in the drawing.
The implementation principle of the embodiment of the application is as follows:
under normal conditions, a connecting hole 5 in a circular valve clack 2 is communicated with an air inlet pipe 3 and an air outlet pipe 4, a clamping block 1102 is abutted with any connecting hole 5, at the moment, fuel gas is normally supplied, when fuel gas leakage occurs, a controller 10 controls a first electromagnet 903 and a second electromagnet 1101 to be electrified, the circular valve clack 2 axially moves along a supporting rod 901 and simultaneously generates autorotation, the circular valve clack stops after moving for a certain distance, at the moment, the side wall of the circular valve clack 2 is respectively abutted with the end faces of the air outlet pipe 4 and the air inlet pipe 3, fuel gas supply is cut off and leakage is prevented, the second electromagnet 1101 is powered off firstly, one end of the clamping block 1102 extends into one limiting hole 12 and is abutted with the limiting hole, then the first electromagnet 903 is powered off, and at the moment, the circular valve clack 2 is fixed at the current position;
when needing to resume the gas supply, the controller 10 through integrated communication function controls the circular second electro-magnet 1101 circular telegram, and fixture block 1102 no longer and spacing hole 12 looks butt this moment, and circular valve clack 2 resets, and the gas resumes to supply, controls the outage of second electro-magnet 1101 again this moment, and fixture block 1102 and another spacing hole 12 butt prevent its displacement, guarantee the stability that the gas was supplied with.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. An emergency cut-off valve for a gas pipeline comprises a shell (1) and a circular valve flap (2) arranged inside the shell (1); the two ends of the shell (1) are respectively communicated with an air inlet pipe (3) and an air outlet pipe (4); a connecting hole (5) for communicating the air inlet pipe (3) with the air outlet pipe (4) is formed in the circular valve clack (2); the method is characterized in that: a partition plate (6) is arranged in the shell (1), and the partition plate (6) divides the interior of the shell (1) into a first chamber (7) and a second chamber (8);
the circular valve clack (2) is arranged in the first chamber (7), and the circular valve clack (2) is connected with a power assembly (9); the circular valve clack (2) reciprocates along the axial direction of the power assembly (9) and closes the communication relation in a mode that the surface of the circular valve clack is abutted against the end surfaces of the air inlet pipe (3) and the air outlet pipe (4);
a controller (10) with an integrated communication function is arranged in the second chamber (8), and the power assembly (9) is electrically connected with the controller (10).
2. A gas pipeline quick emergency valve as claimed in claim 1, wherein: the power assembly (9) comprises a support rod (901) fixedly arranged on the surface of the partition plate (6), a connecting block (902) sleeved on the surface of the support rod (901) and a spring (17); the connecting block (902) is arranged on the surface of the circular valve clack (2) and is arranged on the supporting rod (901) together with the circular valve clack (2) in a sliding and penetrating manner; the spring (17) is arranged between the partition plate (6) and the connecting block (902); the surface of the clapboard (6) is also provided with a first electromagnet (903) which is mutually attracted with the connecting block (902) after being electrified.
3. A gas pipeline quick emergency valve as claimed in claim 2, wherein: the cross section of the connecting block (902) is T-shaped, and the connecting block (902) and the supporting rod (901) jointly form a ball screw pair structure; and a positioning assembly (11) for fixing the circular valve clack (2) is arranged on the surface of the partition plate (6).
4. A gas pipeline quick emergency valve as claimed in claim 3, wherein: the positioning assembly (11) comprises a second electromagnet (1101) and a fixture block (1102); the fixture block (1102) is elastically arranged on the partition plate (6) in a penetrating mode, and the fixture block (1102) and the second electromagnet (1101) after being electrified are attracted mutually; the surface of the circular valve clack (2) is provided with a plurality of limiting holes (12); the limiting holes (12) are all on the motion track of the fixture block (1102) and can be mutually abutted against the fixture block (1102); the second electromagnet (1101) is electrically connected with the controller (10).
5. The gas pipeline quick emergency valve according to claim 4, wherein: two limiting holes (12) are arranged at intervals in the circumferential direction on the surface of one side, close to the partition plate (6), of the circular valve clack (2); when the clamping block (1102) is mutually clamped with any limiting hole (12), the connecting hole (5) opens or closes the communication between the air inlet pipe (3) and the air outlet pipe (4).
6. A gas pipeline quick emergency valve as claimed in claim 1, wherein: an observation window (13) for observing the first cavity (7) is formed in the surface of the shell (1); the surface of the circular valve clack (2) is provided with a mark for observing the motion state of the circular valve clack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220843933.7U CN217056497U (en) | 2022-04-13 | 2022-04-13 | Gas pipeline emergency cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220843933.7U CN217056497U (en) | 2022-04-13 | 2022-04-13 | Gas pipeline emergency cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056497U true CN217056497U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220843933.7U Active CN217056497U (en) | 2022-04-13 | 2022-04-13 | Gas pipeline emergency cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241698A (en) * | 2023-05-09 | 2023-06-09 | 江苏兰格特自动化设备有限公司 | Assembled valve actuating mechanism utilizing transmission |
-
2022
- 2022-04-13 CN CN202220843933.7U patent/CN217056497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241698A (en) * | 2023-05-09 | 2023-06-09 | 江苏兰格特自动化设备有限公司 | Assembled valve actuating mechanism utilizing transmission |
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