CN218480186U

CN218480186U - Novel high temperature resistant plate valve

Info

Publication number: CN218480186U
Application number: CN202221787158.4U
Authority: CN
Inventors: 杨光标; 张昌挺; 叶锋; 程启涛; 张强强
Original assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Current assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-02-14
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a novel high temperature resistant plate gate valve, which comprises a valve body, be provided with the valve plate in the middle of the inside of valve body, be provided with vertical groove in the middle of the valve body is inside, inside is provided with first rectangular channel in the middle of the valve plate below, the inside upper end of first rectangular channel is provided with thermal insulation material, the lower extreme is provided with the sealing member, valve body upper end fixedly connected with valve gap, be provided with the second rectangular channel in the middle of the valve gap is inside, the fixed screw rod that is provided with in the middle of the valve plate upper end, the fixed two mounts that are provided with in valve gap upper end, the inside solenoid that is provided with of mount, the solenoid is rotatory to be fixed on the mount, the standing groove has all been seted up with the lower extreme in the middle of the both sides of valve body, all is provided with the sealing member in every standing groove. The utility model discloses a novel high temperature resistant plate valve, the valve plate inclined plane is inseparable with the inside inclined plane laminating of valve body, and the valve plate is inside to be provided with thermal insulation material, extension sealing member life-span.

Description

Novel high temperature resistant plate valve

Technical Field

The utility model relates to a plate valve field especially relates to a novel high temperature resistant plate valve.

Background

The flat gate valve is a slide valve with parallel gate plates as closing member, and the closing member can be a single gate plate or a double gate plate with a support mechanism between them, the pressing force of the gate plate to the valve seat is controlled by the medium pressure acting on the floating gate plate or floating valve seat, if the flat gate valve is a double-gate plate, the support mechanism between the two gate plates can supplement the pressing force, the flat gate valve can be divided into a manual flat gate valve, a pneumatic flat gate valve and an electric flat gate valve according to the driving mode, and can be divided into a flat gate valve with guide holes, a flat gate valve without guide holes, an oil field flat gate valve, a pipeline flat gate valve, a gas flat gate valve and the like according to the application and use occasion.

However, high media temperatures can cause thermal expansion of the material, thermal cycling fatigue, softening, loosening of the bolt washer, and leakage of the seal, which can lead to valve failure.

The prior patent (publication number is CN 203477391U) discloses a frictionless high temperature and high pressure resistant flat gate valve, including the valve body, the disk seat, flashboard subassembly and valve rod, the disk seat is fixed inside the valve body, the flashboard subassembly is connected with the valve rod, the flashboard subassembly includes first flashboard and second flashboard and wedge frame, first flashboard and second flashboard opposite face are the inclined plane, form a V type groove between two inclined planes, wedge frame constitutes the wedge plane with V type groove and props out the cooperation, wedge frame and flashboard constitute the cooperation of sliding along inclined plane parallel direction, be equipped with the stop device that first position and first flashboard and second flashboard contact, second position and first flashboard and second flashboard have the displacement volume, stop device constitutes wedge frame pull-up, first flashboard and second flashboard linkage cooperation with first flashboard and second flashboard, realize the frictionless of gate valve and open and close, improve the sealing performance under the closure state simultaneously, increase of service life.

However, the device still has more disadvantages in use, such as: the structure of internal motion is complicated, and the material is heated under the high temperature condition and expands and easily blocks, and does not have heat-proof device in the structure, and the operating condition of sealing member is not improved, easily sealed inefficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel high-temperature resistant flat gate valve. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel high temperature resistant plate gate valve, includes the valve body, be provided with the valve plate in the middle of the inside of valve body, be provided with vertical groove in the middle of the inside of valve body, vertical groove upper end runs through the valve body, the valve plate bottom is located vertical inslot, and valve plate bottom shape and the inside shape of vertical inslot cooperate, the valve plate can slide from top to bottom in vertical inslot, the inside first rectangular channel that is provided with in the middle of the valve plate below, the valve plate runs through the valve plate below, the inside upper end of first rectangular channel is provided with thermal insulation material, the inside lower extreme of first rectangular channel is provided with the sealing member, valve body upper end fixedly connected with valve gap, be provided with the second rectangular channel in the middle of the valve gap is inside, the second rectangular channel runs through the valve gap, the fixed screw rod that is provided with in the middle of valve plate upper end, screw rod and valve plate can be in the second rectangular channel from top to bottom, the fixed two fixed mounts, place and fixed connection for the screw rod symmetry between the mount, the screw rod passes from the inside, the inside solenoid that is provided with, the solenoid is rotatory to be fixed on fixing on the mount, cooperates with the screw rod, can follow circumference rotation, the both sides of valve body and the both sides and all have offered the lower extreme, and all have the mounting has set up the standing groove in the mounting in the valve body, and all be provided with the standing groove for every mounting in the mounting of valve body.

As a further description of the above technical solution:

the valve cover is fixedly connected with the fixing frame through a double-end stud.

As a further description of the above technical solution:

the two fixing frames and the valve body and the valve cover are fixedly connected through bolts.

As a further description of the above technical solution:

the screw rod is fixedly connected with the valve plate by welding.

As a further description of the above technical solution:

three rotating handles are uniformly arranged on the outer side of the upper end of the spiral tube.

As a further description of the above technical solution:

the standing groove top slope sets up, and is 45 with the horizontal plane contained angle.

As a further description of the above technical solution:

the heat insulation material is made of rock wool boards.

As a further description of the above technical solution:

the width and height of the insulating material are both greater than the diameter of the pipeline.

As a further description of the above technical solution:

the sealing element is made of fluororubber.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the valve plate adopts width degressive structure, and the department is provided with the inclined plane at the width reduction, and when the valve plate downstream, the inclined plane corresponds with the inside inclined plane of valve body and contacts, and under the effect that has the vertical load, the two sides laminating is inseparable, is located the sealing member wherein and can exert better effect.

2. In the utility model, the valve plate is internally provided with thermal insulation materials, so that the heat conduction heat of the valve plate can be reduced, and the service life of a sealing element is prolonged.

3. In the utility model, the structure is simple, and the processing, the manufacturing and the installation are both convenient.

Drawings

Fig. 1 is an axonometric view of a new high temperature resistant plate gate valve proposed by the present invention;

fig. 2 is a top view of the novel high-temperature resistant flat gate valve provided by the present invention;

fig. 3 is a front view of the novel high temperature resistant flat gate valve provided by the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a partially enlarged view of C in fig. 5.

Illustration of the drawings:

1. a valve body; 2. a vertical slot; 3. a valve plate; 4. a first rectangular groove; 5. a thermal insulation material; 6. a seal member; 7. a valve cover; 8. a second rectangular groove; 9. a screw; 10. a fixed mount; 11. a solenoid; 12. a placement groove; 13. rotating the handle; 14. a pipeline.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a novel high temperature resistant plate gate valve, includes valve body 1, is provided with valve plate 3 in the middle of the inside of valve body 1, is provided with vertical groove 2 in the middle of the inside of

valve body

1, and 2 upper ends of vertical groove run through valve body 1, and the lower terminal surface is less than the pipeline 14 minimum face, and 3 bottoms of valve plate are located

vertical groove

2, and 3 bottom shapes of valve plate cooperate with the inside shape in vertical groove 2, and valve plate 3 can slide from top to bottom in vertical groove 2 is inside.

Inside is provided with first rectangular channel 4 in the middle of 3 belows on the valve plate, valve plate 3 is run through to 4 belows on the first rectangular channel, 4 inside upper ends on the first rectangular channel are provided with thermal insulation material 5, thermal insulation material 5's width and the diameter that highly all is greater than

pipeline

14, 4 inside lower extremes on the first rectangular channel are provided with sealing member 6, thermal insulation material 5 can reduce the heat that 3 heat-conduction of valve plate gave sealing member 6, make the operating temperature of sealing member 6 reduce, extension sealing member 6 life-span, sealing member 6 can make thermal insulation material 5 keep apart with the external world, not influenced thermal-insulated effect by external pollution, 1 upper end of valve body is with bolt fixedly connected with valve gap 7, be provided with second rectangular channel 8 in the middle of 7 inside, second rectangular channel 8 runs through valve gap 7, 3 upper end middle fixed screw rod 9 that is provided with of valve plate, fixed connection between screw rod 9 and the valve plate 3 adopts the welding, screw rod 9 can slide from top to bottom in second rectangular channel 8 with valve plate 3.

The upper end of the valve cover 7 is fixedly provided with two fixing frames 10, the fixed connection between the valve cover 7 and the fixing frames 10 is realized by adopting a double-end stud, the disassembly is convenient, the two fixing frames 10 are symmetrically arranged relative to a screw rod 9 and are fixedly connected by bolts, the screw rod 9 penetrates through the fixing frames 10, screw tubes 11 are arranged inside the fixing frames 10, three rotating handles 13 are uniformly arranged outside the upper ends of the screw tubes 11, the force required when the screw tubes 11 are rotated is saved, the screw tubes 11 are rotationally fixed on the fixing frames 10 and are matched with the screw rod 9 and can rotate along the circumferential direction, the placing grooves 12 are formed in the middle of and at the lower ends of two sides of the valve body 1, the top ends of the placing grooves 12 are obliquely arranged and form an included angle of 45 degrees with the horizontal plane, the placing grooves 12 are symmetrically arranged inside the valve body 1 relative to the screw rod 9, sealing elements 6 are arranged in each placing groove 12, the height of each sealing element 6 is higher than that of the placing groove 12, when the valve plate 3 moves downwards, the inclined plane corresponds to the inclined plane inside the valve body 1, the inclined plane is in a compression deformation, the sealing element 6 is in a compression deformation mode, the sealing effect is achieved, the effect that the two sides are tightly attached to the effect of load on the two sides of the vertical attachment, and the sealing element 6 can better effect.

The heat insulation material 5 is made of rock wool boards, the sealing element 6 is made of fluororubber, and the sealing material can work for a long time in a high-temperature environment.

The working principle is as follows: during the use, rotatory handle 13 that rotates drives solenoid 11 and rotates, thereby control screw rod 9, valve plate 3 reciprocates along vertical groove 2 and second rectangular channel 8, when valve plate 3 moves down, valve plate 3 lower terminal surface and the sealing member 6 in being located standing groove 12 in close contact with, sealing member 6 compression deformation plays the sealing action, when sealing member 6 is not hard up or sealed effect is not good, can rotate slightly again and rotate handle 13, finely tune valve plate 3 downwards, compress tightly sealing member 6, can strengthen sealed effect, thermal insulation material 5 is located the position and is just facing pipeline 14, seal pipeline 14, accomplish work, when needing to open valve plate 3, reverse rotation handle 13, screw rod 9 drives valve plate 3 and moves up along vertical groove 2, second rectangular channel 8, sealing member 6 breaks away from the contact, resume the shape, pipeline 14 is opened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel high temperature resistant plate valve, includes valve body (1), its characterized in that: the valve plate (3) is arranged in the middle of the inside of the valve body (1), the vertical groove (2) is arranged in the middle of the inside of the valve body (1), the upper end of the vertical groove (2) penetrates through the valve body (1), the bottom end of the valve plate (3) is positioned in the vertical groove (2), the bottom shape of the valve plate (3) is matched with the inside shape of the vertical groove (2), the valve plate (3) can slide up and down in the vertical groove (2), the first rectangular groove (4) is arranged in the middle of the lower portion of the valve plate (3), the valve plate (3) is arranged below the first rectangular groove (4) in a penetrating mode, the heat-insulating material (5) is arranged at the upper end of the inside of the first rectangular groove (4), the sealing element (6) is arranged at the lower end of the inside of the first rectangular groove (4), the valve cover (7) is fixedly connected to the upper end of the valve body (1), the second rectangular groove (8) is arranged in the middle of the inside of the valve cover (7), the second rectangular groove (8) penetrates through the valve cover (7), the valve plate (3) is fixedly provided with the screw (9), the upper end of the valve plate (9) and the two fixing frames (10) which are symmetrically arranged in the two fixing frames (10), the screw rod (9) passes through the inside of the fixing frame (10), a solenoid (11) is arranged inside the fixing frame (10), the solenoid (11) is rotationally fixed on the fixing frame (10) and matched with the screw rod (9) to rotate in the circumferential direction, the placing grooves (12) are formed in the middle of and at the lower ends of two sides of the valve body (1), the placing grooves (12) are symmetrically arranged inside the valve body (1) relative to the screw rod (9), and a sealing element (6) is arranged in each placing groove (12).

2. The new high temperature resistant plate gate valve of claim 1, wherein: the valve cover (7) is fixedly connected with the fixing frame (10) through a double-end stud.

3. The novel high temperature resistant plate gate valve of claim 1, wherein: the two fixing frames (10) and the valve body (1) and the valve cover (7) are fixedly connected through bolts.

4. The novel high temperature resistant plate gate valve of claim 1, wherein: the screw (9) and the valve plate (3) are fixedly connected by welding.

5. The new high temperature resistant plate gate valve of claim 1, wherein: the outer side of the upper end of the spiral tube (11) is evenly provided with three rotating handles (13).

6. The novel high temperature resistant plate gate valve of claim 1, wherein: the top end of the placing groove (12) is obliquely arranged, and an included angle between the placing groove and the horizontal plane is 45 degrees.

7. The novel high temperature resistant plate gate valve of claim 1, wherein: the heat insulation material (5) is made of rock wool boards.

8. The new high temperature resistant plate gate valve of claim 1, wherein: the width and height of the heat insulating material (5) are both larger than the diameter of the pipeline (14).

9. The novel high temperature resistant plate gate valve of claim 1, wherein: the sealing element (6) is made of fluororubber.