CN210196612U

CN210196612U - Valve with emergency cut-off function

Info

Publication number: CN210196612U
Application number: CN201920871128.3U
Authority: CN
Inventors: Fangqi Lu; 卢方起; Mengtao Wang; 王孟涛; Yafei Wang; 王亚飞; Ling Wang; 王岭; Yongqiang Xu; 徐永强
Original assignee: JIANGSU XINHAI PETROCHEMICAL GROUP CO Ltd
Current assignee: JIANGSU XINHAI PETROCHEMICAL GROUP CO Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-27
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to a valve with promptly cut off, including first valve section of thick bamboo, second valve section of thick bamboo, butterfly valve flap, pivot, disk seat, case and electric cylinder, the right-hand member of first valve section of thick bamboo be provided with first ring flange, the left end of second valve section of thick bamboo be provided with the second ring flange, first valve section of thick bamboo and second valve section of thick bamboo control through the cooperation of first ring flange with the second ring flange and be connected, the butterfly valve flap set up in first valve section of thick bamboo, butterfly valve flap suit in the pivot and along with its one is with rotating, first valve section of thick bamboo seal through the butterfly valve flap. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Description

Valve with emergency cut-off function

Technical Field

The utility model relates to a valve, specificly relate to a valve with promptly cut off.

Background

With the development of society, valves are widely applied in various industries, especially in the field of petrochemical industry, but most of the existing valves are opened and closed by manual rotation, once special conditions occur, the manual closing of the valves is very slow, and sometimes the valves are very difficult to close due to resistance, so that the design of the valve with emergency cut-off to solve the problems is very important.

Disclosure of Invention

The utility model discloses not only can be through the rotatory butterfly valve leaf of servo motor drive, can switch to the manual mode after servo motor damages moreover and continue rotatory butterfly valve leaf, played the effect that increases its practicality, and provide a valve with promptly cut off.

In order to solve the technical problem, the utility model provides a valve with promptly cut off, its characterized in that: the valve comprises a first valve cylinder, a second valve cylinder, a butterfly valve blade, a rotating shaft, a valve seat, a valve core and an electric cylinder, wherein a first flange is arranged at the right end of the first valve cylinder, a second flange is arranged at the left end of the second valve cylinder, the first valve cylinder and the second valve cylinder are connected left and right through the matching of the first flange and the second flange, the butterfly valve blade is arranged in the first valve cylinder, the butterfly valve blade is sleeved on the rotating shaft and rotates along with the rotating shaft, the first valve cylinder is sealed through the butterfly valve blade, the valve seat is arranged in the second valve cylinder, a valve core mounting seat is arranged on the inner wall of the second valve cylinder, which is opposite to the valve seat, the valve core is movably connected in the valve core mounting seat and connected with the electric cylinder, the electric cylinder is arranged on the outer wall of the second valve cylinder, and a check groove matched with the valve core is arranged on the valve seat, the valve core is movably connected in the check groove through the driving of the electric cylinder, and the second valve cylinder is sealed through the matching of the valve core and the check groove.

Further: the lower end of the rotating shaft penetrates through the first valve cylinder, and a rotating grab handle is also arranged on the lower end of the rotating shaft penetrating through the first valve cylinder.

And further: the upper end of pivot pass first valve section of thick bamboo and link to each other through connecting cylinder and servo motor's play axle head, servo motor pass through the servo motor mount pad and fix on the outer wall of first valve section of thick bamboo, servo motor's play axle head and the upper end of pivot stretch into to its inside from the upper and lower surface of connecting cylinder respectively, the lateral wall of connecting cylinder on still seted up two screw holes, two threaded hole in be connected with first puller bolt and second puller bolt respectively, first puller bolt pass a screw hole and servo motor's play axle head and link to each other, second puller bolt pass the upper end of another screw hole and pivot and link to each other.

And further: the right side end face of the first flange plate is provided with a mounting groove for mounting a filter plate, the mounting groove is internally detachably connected with the filter plate, the left side end face of the second flange plate is provided with a protrusion, and the filter plate is tightly fixed in the mounting groove through the protrusion.

And further: and a rubber sealing ring is also arranged between the first flange plate and the second flange plate.

After the structure is adopted, the utility model can not only drive the rotary butterfly valve blade through the servo motor, but also switch to the manual mode to continue rotating the butterfly valve blade after the servo motor is damaged, thereby playing a role in increasing the practical performance; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the valve with emergency cut-off includes a first valve cylinder 1, a second valve cylinder 2, a butterfly valve vane 18, a rotating shaft 19, a valve seat 11, a valve core 14 and an electric cylinder 15, wherein a first flange 16 is arranged at the right end of the first valve cylinder 1, a second flange 17 is arranged at the left end of the second valve cylinder, the first valve cylinder 1 and the second valve cylinder 2 are connected with the second flange 17 in a left-right manner through the matching of the first flange 16 and the second flange 17, the butterfly valve vane 18 is arranged in the first valve cylinder 1, the butterfly valve vane 18 is sleeved on the rotating shaft 19 and rotates with the rotating shaft 19, the first valve cylinder 1 is sealed through the butterfly valve vane 18, the valve seat 11 is arranged in the second valve cylinder 2, a valve core mounting seat 13 is arranged on the inner wall of the second valve cylinder 2 at a position facing the valve seat 11, the valve core 14 is movably connected in the core mounting seat 13 and connected with the electric cylinder, the electric cylinder is arranged on the outer wall of the second valve barrel, the valve seat is provided with a check groove 12 matched with the valve core, the valve core is movably connected in the check groove through the driving of the electric cylinder, and the second valve barrel is sealed through the matching of the valve core and the check groove.

The lower end of the shaft 19 shown in fig. 1 passes through the first valve cartridge 1, and the lower end of the shaft passing through the first valve cartridge is also provided with a rotary grip 20.

As shown in fig. 1, the upper end of the rotating shaft 19 passes through the first valve barrel and is connected with the shaft outlet end of the servo motor 4 through the connecting barrel 5, the servo motor is fixed on the outer wall of the first valve barrel through the servo motor mounting seat, the shaft outlet end of the servo motor 4 and the upper end of the rotating shaft respectively extend into the connecting barrel from the upper surface and the lower surface of the connecting barrel, the side wall of the connecting barrel is further provided with two threaded holes, the two threaded holes are respectively connected with a first puller bolt 6 and a second puller bolt 7, the first puller bolt 6 passes through one threaded hole to be connected with the shaft outlet end of the servo motor 4, and the second puller bolt 7 passes through the other threaded hole to be connected with the upper end of the rotating shaft.

As shown in fig. 1, an installation groove for installing a filter plate 8 is formed in the right end face of the first flange, the installation groove is internally and detachably connected with the filter plate, a protrusion 10 is also arranged on the left end face of the second flange, the filter plate is tightly fixed in the installation groove through the protrusion, and a rubber seal ring 9 is further arranged between the first flange and the second flange.

In summary, the utility model can not only drive the rotary butterfly valve blade through the servo motor, but also switch to the manual mode to continue rotating the butterfly valve blade after the servo motor is damaged, thereby increasing the practical performance; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Claims

1. A valve with emergency shut-off, characterized in that: the valve comprises a first valve cylinder, a second valve cylinder, a butterfly valve blade, a rotating shaft, a valve seat, a valve core and an electric cylinder, wherein a first flange is arranged at the right end of the first valve cylinder, a second flange is arranged at the left end of the second valve cylinder, the first valve cylinder and the second valve cylinder are connected left and right through the matching of the first flange and the second flange, the butterfly valve blade is arranged in the first valve cylinder, the butterfly valve blade is sleeved on the rotating shaft and rotates along with the rotating shaft, the first valve cylinder is sealed through the butterfly valve blade, the valve seat is arranged in the second valve cylinder, a valve core mounting seat is arranged on the inner wall of the second valve cylinder, which is opposite to the valve seat, the valve core is movably connected in the valve core mounting seat and connected with the electric cylinder, the electric cylinder is arranged on the outer wall of the second valve cylinder, and a check groove matched with the valve core is arranged on the valve seat, the valve core is movably connected in the check groove through the driving of the electric cylinder, and the second valve cylinder is sealed through the matching of the valve core and the check groove.

2. A valve with slam shut as in claim 1 wherein: the lower end of the rotating shaft penetrates through the first valve cylinder, and a rotating grab handle is also arranged on the lower end of the rotating shaft penetrating through the first valve cylinder.

3. A valve with slam shut according to claim 2 wherein: the upper end of pivot pass first valve section of thick bamboo and link to each other through connecting cylinder and servo motor's play axle head, servo motor pass through the servo motor mount pad and fix on the outer wall of first valve section of thick bamboo, servo motor's play axle head and the upper end of pivot stretch into to its inside from the upper and lower surface of connecting cylinder respectively, the lateral wall of connecting cylinder on still seted up two screw holes, two threaded hole in be connected with first puller bolt and second puller bolt respectively, first puller bolt pass a screw hole and servo motor's play axle head and link to each other, second puller bolt pass the upper end of another screw hole and pivot and link to each other.

4. A valve with slam shut as in claim 1 wherein: the right side end face of the first flange plate is provided with a mounting groove for mounting a filter plate, the mounting groove is internally detachably connected with the filter plate, the left side end face of the second flange plate is provided with a protrusion, and the filter plate is tightly fixed in the mounting groove through the protrusion.

5. The valve with slam shut of any of claims 1 or 4, wherein: and a rubber sealing ring is also arranged between the first flange plate and the second flange plate.