CN211082855U

CN211082855U - Flow sensing emergency cut-off valve

Info

Publication number: CN211082855U
Application number: CN201921613823.6U
Authority: CN
Inventors: 黄志平
Original assignee: Xiamen Zuanbo Energy Technology Co ltd
Current assignee: Xiamen Zuanbo Energy Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-24
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a flow response emergency cut-off valve, including lower valve body, the top swing joint of lower valve body has the valve gap, the both sides of valve body all have the water pipe through the sealing washer intercommunication down, the fixed surface of lower valve body inner chamber connects the disk seat, the internal surface sliding connection of disk seat has the case, the valve rod under the top fixedly connected with of case, the thing groove has been seted up to the inside of valve gap, put the equal fixedly connected with coil in both sides in thing groove, the utility model relates to an emergency cut-off valve technical field. This flow response emergency cut-off valve through the internal surface fixed connection disk seat of valve body under, utilizes the magnetic force promotion that the coil produced to move the iron core, and the up-and-down motion of case and lower valve rod is deuterogamied, can make the case block up the passageway of valve body inner chamber down, prevents that rivers from passing through this structure of emergency cut-off valve comparatively simply, the fault rate of emergency cut-off valve that has reduced to a certain extent has improved the practicality of emergency cut-off valve.

Description

Flow sensing emergency cut-off valve

Technical Field

The utility model relates to an emergency cut-off valve technical field specifically is a flow response emergency cut-off valve.

Background

The emergency cut-off valve is also called a safety cut-off valve, and means that the valve can be rapidly closed to prevent the medium from flowing when an emergency occurs, and the emergency cut-off valve is restarted after manual maintenance to avoid accidents. The water resource that people used in life mainly adopts the pipe-line transportation, provides very big convenience for the life, nevertheless takes place to leak at pipeline, especially when bursting, if can not cut off the supply of water pipe rapidly, the resource-wasting, consequently, need install the quick action emergency valve on the pipeline that is used for supplying liquid, when pipeline takes place to burst, can close the valve port rapidly, cuts off the supply of liquid, avoids causing bigger loss.

The existing flow induction emergency cut-off valve has the advantages that the number of parts is large, the structure is complex, the damage to the parts is difficult to avoid after long-term use, the whole emergency cut-off valve cannot work as long as one part is damaged, the practicability is low, the trigger condition is slow during use, the flow speed of water flow needs to be controlled when the initial state of the device needs to be restored, and otherwise the emergency cut-off valve can be started again.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a flow response quick emergency valve has solved current flow response quick emergency valve structure comparatively complicacy, and is triggering and the great problem of drawback of recovering the quick emergency valve.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a flow response emergency cut-off valve, includes lower valve body, the top swing joint of lower valve body has the valve gap, the both sides of valve body all have the water pipe through the sealing washer intercommunication down, the fixed surface of lower valve body inner chamber connects the disk seat, the internal surface sliding connection of disk seat has the case, the valve rod under the top fixedly connected with of case, the thing groove has been seted up to the inside of valve gap, put the equal fixedly connected with coil in both sides in thing groove, two sliding connection has movable iron core between the relative one side of coil, movable iron core's bottom runs through the valve gap and extends to the outside of valve gap, movable iron core's bottom and the top fixed connection of lower valve rod, put the top fixedly connected with expanding spring of thing inslot chamber, expanding spring's bottom and movable iron core's.

Preferably, the top fixedly connected with fixed block of lower valve body inner chamber, the bottom of fixed block is rotated through the pivot and is connected with the impingement plate, the top fixedly connected with resilient means of impingement plate.

Preferably, the top end of the elastic device is fixedly connected with the top of the inner cavity of the lower valve body, and the top of the inner cavity of the lower valve body is fixedly connected with the starting switch on the left side of the elastic device.

Preferably, the equal fixedly connected with bolt in both sides of valve gap, two the bottom of bolt all runs through valve gap and lower valve body and extends to the inside of valve body down from last to down in proper order.

Preferably, the top of the lower valve body is fixedly connected with a valve cover gasket, and the top of the valve cover gasket is fixedly connected with the bottom of the valve cover.

Preferably, the right side of the outer surface of the valve cover is fixedly connected with a recovery switch.

Advantageous effects

The utility model provides a flow response quick action emergency valve. Compared with the prior art, the method has the following beneficial effects:

(1) the flow induction emergency cut-off valve is characterized in that water pipes are communicated with two sides of a lower valve body through sealing rings, the surface of an inner cavity of the lower valve body is fixedly connected with a valve seat, the inner surface of the valve seat is connected with a valve core in a sliding manner, the top end of the valve core is fixedly connected with a lower valve rod, a storage groove is formed in the valve cover, two sides of the storage groove are fixedly connected with coils, a movable iron core is connected between the opposite sides of the two coils in a sliding manner, the bottom end of the movable iron core penetrates through the valve cover and extends to the outside of the valve cover, the bottom end of the movable iron core is fixedly connected with the top end of the lower valve rod, a telescopic spring is fixedly connected with the top end of the inner cavity of the storage groove, the bottom end of the telescopic spring is fixedly connected with the top end of the movable iron core, the valve seat is fixedly connected, the structure of the emergency cut-off valve is simple, the failure rate of the emergency cut-off valve is reduced to a certain degree, and the practicability of the emergency cut-off valve is improved.

(2) This flow response quick action emergency valve, through the top at resilient means and the top fixed connection of lower valve body inner chamber, the top of lower valve body inner chamber just is located resilient means's left side fixedly connected with starting switch, resilient means's top and the top fixed connection of lower valve body inner chamber, the top of lower valve body inner chamber just is located resilient means's left side fixedly connected with starting switch, inner chamber through the valve body under sets up the impingement plate, utilize making of hydraulic impact force the impingement plate rotate, thereby trigger starting switch, the relocking recovery switch, can cut off the power supply with the coil, triggering condition is comparatively simple and rapid, can in time reduce the waste of resource, and easy operation.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a front view of the external structure of the striking plate according to the present invention;

fig. 3 is a front view of the external structure of the present invention.

In the figure: 1-lower valve body, 2-valve cover, 3-water pipe, 4-valve seat, 5-valve core, 6-lower valve rod, 7-object placing groove, 8-coil, 9-movable iron core, 10-expansion spring, 11-fixed block, 12-impact plate, 13-elastic device, 14-starting switch, 15-bolt, 16-valve cover washer and 17-recovery switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flow induction emergency cut-off valve comprises a lower valve body 1, a valve cover gasket 16 is fixedly connected to the top of the lower valve body 1, the valve cover gasket 16 can prevent water flow from being reserved between the lower valve body 1 and a valve cover 2, the top of the valve cover gasket 16 is fixedly connected with the bottom of the valve cover 2, a fixed block 11 is fixedly connected to the top of an inner cavity of the lower valve body 1, the bottom end of the fixed block 11 is rotatably connected with an impact plate 12 through a rotating shaft, when a water pipe on the left side of the lower valve body 1 is not broken, water pressure in the whole emergency cut-off valve is small, under the support of an elastic device 13, the impact plate 12 is not enough to enable the impact plate 12 to touch a starting switch 14, when the water pipe on the left side of the lower valve body 1 is broken, the water pressure is large, the impact plate 12 can open the starting switch 14, the elastic device 13 is fixedly, the top end of an elastic device 13 is fixedly connected with the top of the inner cavity of a lower valve body 1, the top of the inner cavity of the lower valve body 1 is fixedly connected with a starting switch 14 positioned on the left side of the elastic device 13, the top of the lower valve body 1 is movably connected with a valve cover 2, the right side of the outer surface of the valve cover 2 is fixedly connected with a recovery switch 17, the recovery switch 17 and the starting switch 14 can simultaneously control a coil 8, both sides of the valve cover 2 are fixedly connected with bolts 15, the bottom ends of the two bolts 15 sequentially penetrate through the valve cover 2 and the lower valve body 1 from top to bottom and extend into the lower valve body 1, both sides of the lower valve body 1 are communicated with a water pipe 3 through a sealing ring, a pipeline on the right side of the lower valve body 1 is a water inlet pipe, a pipeline on the left side of the lower valve body 1 is a water outlet pipe, the inside of valve gap 2 has been seted up and has been put thing groove 7, the equal fixedly connected with coil 8 in both sides of putting thing groove 7, coil 8 and external power source electric connection, and the magnetic force that coil 8 produced can promote movable iron core 9 downstream, sliding connection has movable iron core 9 between two relative one sides of coil 8, and movable iron core 9's bottom runs through valve gap 2 and extends to valve gap 2's outside, and movable iron core 9's bottom and the top fixed connection of lower valve rod 6 put the top fixedly connected with expanding spring 10 of thing groove 7 inner chamber, the bottom of expanding spring 10 and movable iron core 9's top fixed connection.

During operation, at first be connected coil 8 with the power, when the emergency cut-off valve left side intercommunication water pipe takes place to break, the rivers water pressure increase in 1 intracavity of lower valve body, rivers impact impingement plate 12, make impingement plate 12 to the left rotation, thereby compress elastic device, make impingement plate 12 compression starting switch 14, start coil 8 through starting switch 14, will move iron core 9 downstream through magnetic force, and then promote lower valve rod 6, make case 5 downstream, expanding spring 10 is in tensile state this moment, make case 5 plug up the passageway of 1 intracavity of lower valve body, thereby prevent that the rivers from flowing into the water pipe on lower valve body 1 right side, after the maintainer finishes to the water pipe maintenance, pressing recovery switch 17, make coil 8 cut off the power supply, expanding spring 10 drives and moves iron core 9 under the effect of elasticity this moment and resumes initial condition.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flow response quick action emergency valve, includes lower valve body (1), the top swing joint of lower valve body (1) has valve gap (2), its characterized in that: both sides of the lower valve body (1) are communicated with a water pipe (3) through a sealing ring, the surface of the inner cavity of the lower valve body (1) is fixedly connected with a valve seat (4), the inner surface of the valve seat (4) is connected with a valve core (5) in a sliding way, the top end of the valve core (5) is fixedly connected with a lower valve rod (6), an object placing groove (7) is formed in the valve cover (2), coils (8) are fixedly connected to two sides of the object placing groove (7), a movable iron core (9) is connected between one opposite sides of the two coils (8) in a sliding mode, the bottom end of the movable iron core (9) penetrates through the valve cover (2) and extends to the outside of the valve cover (2), the bottom end of the movable iron core (9) is fixedly connected with the top end of the lower valve rod (6), the top of the inner cavity of the storage groove (7) is fixedly connected with a telescopic spring (10), the bottom end of the telescopic spring (10) is fixedly connected with the top end of the movable iron core (9).

2. A flow sensing slam shut valve as claimed in claim 1 wherein: the top fixedly connected with fixed block (11) of lower valve body (1) inner chamber, the bottom of fixed block (11) is rotated through the pivot and is connected with impact plate (12), the top fixedly connected with resilient means (13) of impact plate (12).

3. A flow sensing slam shut valve as claimed in claim 2 wherein: the top of resilient means (13) and the top fixed connection of lower valve body (1) inner chamber, the top of lower valve body (1) inner chamber just is located the left side fixedly connected with starting switch (14) of resilient means (13).

4. A flow sensing slam shut valve as claimed in claim 1 wherein: the equal fixedly connected with bolt (15) in both sides of valve gap (2), two the bottom of bolt (15) is from last to all running through valve gap (2) and lower valve body (1) in proper order and extending to the inside of lower valve body (1) down.

5. A flow sensing slam shut valve as claimed in claim 1 wherein: the top of the lower valve body (1) is fixedly connected with a valve cover gasket (16), and the top of the valve cover gasket (16) is fixedly connected with the bottom of the valve cover (2).

6. A flow sensing slam shut valve as claimed in claim 1 wherein: the right side of the outer surface of the valve cover (2) is fixedly connected with a recovery switch (17).