CN217328532U

CN217328532U - Self-sealing valve

Info

Publication number: CN217328532U
Application number: CN202220388625.XU
Authority: CN
Inventors: 高军; 张强; 徐喆; 曲直
Original assignee: Huaneng Dalian Thermal Power Co Ltd
Current assignee: Huaneng Dalian Thermal Power Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-30
Anticipated expiration: 2032-02-25

Abstract

The utility model provides a self-sealing valve, which comprises a valve body, a valve rod and a rotating handle, wherein the valve rod is positioned in a connector at the upper side of the valve body, the upper end of the valve rod is mutually connected with the circle center position of the lower side of the rotating handle, an emergency self-sealing device is arranged in the inner cavity of the valve body and comprises a sealing cover and a cylinder, circular openings are respectively arranged on two sides of the outer wall of the sealing cover, the circle center position of one side of the inner wall of the sealing cover is rotationally connected with a middle rotating shaft, connecting frames are respectively arranged on two sides of the middle rotating shaft, a circular plugging block is respectively arranged at one end of each of the two connecting frames, which is far away from the middle rotating shaft, a motor is arranged in the cylinder, the output end of the motor is mutually connected with one end of the middle rotating shaft, through the utility model discloses, realized can appear damaging the back at the valve rod, still can in time seal the valve body, block the fluid, improve the security of using to simple structure, easy to assemble.

Description

Self-sealing valve

Technical Field

The utility model relates to a technical field of valve specifically is a self-sealing valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for valves of a fluid control system, has various varieties and specifications from the simplest stop valve to various valves used in an extremely complex automatic control system, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In present current valve, for example, in the technical structure of application for application No. CN201720091458.1, including the valve body, the top of valve body is provided with the upper cover, the bottom of upper cover is provided with first recess, the top of valve body is provided with the second recess, the inside of first recess is provided with the fixed pin, the inside of second recess is provided with the fixed orifices, and fixed orifices and fixed pin looks adaptation, the top of upper cover is provided with the sealing ring, the middle part of sealing ring is provided with vertical decurrent hollow tube, the inside of hollow tube is provided with the valve rod, the top of valve rod is connected with the valve hand wheel, the bottom and the upper cover fixed connection of valve hand wheel, this valve has improved sealed effect, but when the valve rod damages and can't be sealed the valve, lack corresponding emergent part and in time seal the valve, cut the fluid.

Based on this, we need to develop an emergency self-sealing device, so that after the valve rod is damaged, the valve body can still be sealed in time, the fluid is blocked, the use safety is improved, and the emergency self-sealing device is simple in structure and convenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a self-sealing valve for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a self-sealing type valve, includes valve body, valve rod and turning handle, the valve rod is located the interface of valve body upside, just the centre of a circle position interconnect of valve rod upper end and turning handle downside, be provided with emergent self-sealing device in the valve body inner chamber, emergent self-sealing device is including sealed lid and drum, sealed lid outer wall both sides are provided with circular opening respectively, and the one-to-one, the centre of a circle position rotation of sealed lid inner wall one side is connected with middle pivot, the both sides of middle pivot all are provided with the link, two pivot one end all is provided with circular sprue in the middle of the link is kept away from, and the radius of circular sprue slightly is greater than circular opening's radius, be provided with the motor in the drum, the output and the middle pivot one end interconnect of motor.

Furthermore, each round plugging block is provided with a waterproof sealing glue layer on two side surfaces.

Furthermore, waterproof sealing rings are embedded into the circular grooves on two sides of the outer wall of the valve body.

Furthermore, the outer edge of each waterproof sealing ring is close to and is provided with four threaded holes in an encircling mode at equal intervals.

Furthermore, the cylinder is engaged with the sealing cover.

Furthermore, each circular opening is internally provided with a filter screen.

Furthermore, the motor is electrically connected with an electric control switch box, and the electric control switch box is arranged on one side of the outer wall of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an emergent self sealss device has realized can appearing damaging the back at the valve rod, still can in time seal the valve body, blocks the fluid, improves the security of using to simple structure, easy to assemble through the waterproof sealing glue film, has realized the better laminating of circular sprue and circular opening, avoids appearing the condition of leaking, through the filter screen, has realized blockking to internal granule debris of fluid.

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

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the emergency self-sealing device of the present invention;

fig. 3 is a schematic structural view of the sealing cover of the present invention;

fig. 4 is an enlarged schematic view of the region a in fig. 1.

In the figure: 1. a valve body; 11. a waterproof sealing ring; 12. a threaded hole; 2. a valve stem; 3. a handle is rotated; 4. an emergency self-sealing device; 41. a sealing cover; 411. a circular opening; 42. a cylinder; 43. a filter screen; 44. an intermediate rotating shaft; 45. a connecting frame; 46. a circular block; 461. a waterproof sealing adhesive layer; 47. a motor; 5. an electric control switch box.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a self-sealing valve comprises a valve body 1, a valve rod 2 and a rotary handle 3, wherein the valve rod 2 is positioned in a connector at the upper side of the valve body 1, the upper end of the valve rod 2 is mutually connected with the circle center position of the lower side of the rotating handle 3, an emergency self-sealing device 4 is arranged in the inner cavity of the valve body 1, the emergency self-sealing device 4 comprises a sealing cover 41 and a cylinder 42, wherein two sides of the outer wall of the sealing cover 41 are respectively provided with a circular opening 411, and are in one-to-one correspondence, the center of a circle at one side of the inner wall of the sealing cover 41 is rotatably connected with an intermediate rotating shaft 44, the two sides of the middle rotating shaft 44 are both provided with connecting frames 45, one ends of the two connecting frames 45 far away from the middle rotating shaft 44 are both provided with round blocks 46, and the radius of the circular blocking piece 46 is slightly larger than that of the circular opening 411, a motor 47 is arranged in the cylinder 42, and the output end of the motor 47 is connected with one end of the middle rotating shaft 44.

Please refer to fig. 1 and fig. 2, the cylinder 42 is engaged with the sealing cover 41, and the cylinder 42 is engaged with the sealing cover 41, so that the cylinder 42 is convenient to mount and dismount, a filter screen 43 is disposed in each circular opening 411, the filter screen 43 is used to block the particle impurities in the fluid, the motor 47 is electrically connected with the electric control switch box 5, the electric control switch box 5 is disposed on one side of the outer wall of the valve body 1, and the control of the motor 47 is realized through the electric control switch box 5.

Please refer to fig. 3 and fig. 4, wherein two side surfaces of each circular block 46 are respectively provided with a waterproof sealing adhesive layer 461, the circular block 46 is better attached to the circular opening 411 through the waterproof sealing adhesive layer 461, the water leakage situation is avoided, the waterproof sealing rings 11 are embedded in the circular grooves on two sides of the outer wall of the valve body 1, the waterproof sealing of the connection position of the valve body 1 and the pipeline is realized through the waterproof sealing rings 11, four threaded holes 12 are arranged around the outer edge position of each waterproof sealing ring 11 at equal intervals, and the threaded connection of the pipeline and the bolt is realized through the threaded holes 12.

The utility model discloses a concrete operation as follows:

whether each device in the device is damaged or not is checked firstly, after the damage is ensured, the valve body 1 is installed on a corresponding pipeline through a bolt, then the valve rod 2 is screwed, the flow channel in the valve body 1 is opened for use, when the valve rod 2 is damaged or blocked, the flow channel in the valve body 1 cannot be sealed, the emergency self-sealing device 4 can be started through the electric control switch box 5, then the motor 47 drives the middle rotating shaft 44 to rotate, the middle rotating shaft 44 drives the circular plugging block 46 to rotate to the position of the circular opening 411 through the connecting frame 45, the waterproof sealing glue layer 461 covers the circular opening 411 for sealing, the flow channel in the valve body 1 is blocked, and the device is very fast and convenient and improves the safety of a user.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a self-sealing valve, includes valve body (1), valve rod (2) and turning handle (3), its characterized in that, valve rod (2) are located the interface of valve body (1) upside, just the centre of a circle position interconnect of valve rod (2) upper end and turning handle (3) downside, be provided with emergent self-sealing device (4) in the valve body (1) inner chamber, emergent self-sealing device (4) are including sealed lid (41) and drum (42), sealed lid (41) outer wall both sides are provided with circular opening (411) respectively, and the one-to-one correspondence, the centre of a circle position rotation of sealed lid (41) inner wall one side is connected with middle pivot (44), the both sides of middle pivot (44) all are provided with link (45), two link (45) keep away from middle pivot (44) one end all are provided with circular sprue (46), and the radius of circular sprue (46) slightly is greater than the radius of circular opening (411), a motor (47) is arranged in the cylinder (42), and the output end of the motor (47) is connected with one end of the middle rotating shaft (44).

2. A self-sealing valve according to claim 1, wherein each of said circular plugs (46) is provided with a layer of waterproof sealant (461) on both sides.

3. A self-sealing valve according to claim 1, characterized in that the water-proof sealing rings (11) are embedded in the circular grooves on both sides of the outer wall of the valve body (1).

4. A self-sealing valve according to claim 3, wherein four threaded holes (12) are provided around the outer edge of each waterproof sealing ring (11) at equal intervals.

5. A self-sealing valve according to claim 1, wherein the cylinder (42) is in engagement with the sealing cap (41).

6. A self-sealing valve according to claim 1, wherein a filter screen (43) is provided in each of said circular openings (411).

7. A self-sealing valve according to claim 1, wherein said electric motor (47) is electrically connected with an electrically controlled switch box (5), and said electrically controlled switch box (5) is arranged on the side of the outer wall of the valve body (1).