CN216361147U

CN216361147U - Stainless steel gate valve that possesses lubricating function

Info

Publication number: CN216361147U
Application number: CN202122515315.8U
Authority: CN
Inventors: 杨博
Original assignee: Zhejiang Mengzhou Valve Co ltd
Current assignee: Zhejiang Mengzhou Valve Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-22
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a stainless steel gate valve with a lubricating function, which comprises a valve body and a first connecting disc, wherein the first connecting disc is welded above the valve body, and a fixing device is arranged above the first connecting disc. This stainless steel gate valve that possesses lubricating function, through the second connection pad, the bolt, the nut, mutually support between disk seat and the valve gap isotructure, can be at telescopic outer wall installation sealed pad, rethread disk seat and valve gap are fixed with the sleeve, thereby the leakproofness of this device has been improved, through the riser, first diaphragm, the montant, the second diaphragm, mutually support between structures such as baffle and spring, can make the circular block pass through the cotton rope and drive the second diaphragm and remove, the second diaphragm drives the baffle and removes, make the oil filler point of baffle on with the sleeve expose, thereby through the oil filler point on the sleeve alright carry out oiling work with the inside to this device.

Description

Stainless steel gate valve that possesses lubricating function

Technical Field

The utility model relates to the technical field of stainless steel gate valves, in particular to a stainless steel gate valve with a lubricating function.

Background

The stainless steel gate valve is the gate valve that the material was made for the stainless steel, the opening and closing piece is the flashboard, the direction of motion and the fluid direction of flashboard are mutually perpendicular, the gate valve can only be opened fully and closed totally, can not do regulation and throttle, the flashboard of gate valve is along with the valve rod makes rectilinear motion, called lifter gate valve, there is trapezoidal screw thread on the lifter usually, through the nut on valve top and the guide slot on the valve body, become rectilinear motion with rotary motion, that is to say, become operating torque into operating thrust, and the stainless steel gate valve junction structure among the prior art is single, the leakproofness is not good, do not possess lubricating function simultaneously yet, so just, the result of use has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stainless steel gate valve with a lubricating function, and aims to solve the problems that the stainless steel gate valve in the prior art is single in joint structure and poor in sealing performance, which are proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a stainless steel gate valve with a lubricating function comprises a valve body and a first connecting disc, wherein the first connecting disc is welded above the valve body, and a fixing device is installed above the first connecting disc;

the fixing device comprises a second connecting disc, a bolt, a nut, a valve seat and a valve cover;

the lower surface of second connection pad closely laminates with the top outer wall of first connection pad, the through-hole department of second connection pad and first connection pad has closely the laminating bolt, and the below outer wall threaded connection of bolt has the nut, the top outer wall of nut closely laminates with the lower surface of first connection pad, the top rigid coupling of second connection pad has the disk seat, and the top spiro union of disk seat has the valve gap.

Preferably, the inside rigid coupling of disk seat has the sleeve, and the through-hole department inner wall clearance fit of telescopic outer wall and valve gap, sealed pad is installed to telescopic outer wall, and the outer wall that seals up closely laminates with the inner wall of disk seat, can improve the leakproofness of this device through sealed the pad like this.

Preferably, a rotating device is arranged above the sleeve;

the rotating device comprises a top plate, a lifting rod and a turntable;

the lower part of the top plate is fixedly connected with the sleeve, a lifting rod is connected to the inner portion of the top plate through threads, the outer wall of the lifting rod is in clearance fit with the inner wall of the sleeve, and a turntable is integrally formed above the lifting rod.

Preferably, an elastic device is arranged above the valve cover;

the elastic device comprises a vertical plate, a first transverse plate, a vertical rod, a second transverse plate, a baffle plate and a spring;

control the below of riser links to each other with the valve gap is fixed, the rigid coupling has first diaphragm in the middle of the inboard of riser, the montant is installed to the through-hole department of first diaphragm, and the inner wall clearance fit of the outer wall of montant and the inboard through-hole department of first diaphragm, the top rigid coupling of montant has the second diaphragm, and the inboard rigid coupling of second diaphragm has the baffle, the inboard of baffle closely laminates with telescopic oil filler hole department outer wall, the spring is installed to the top outer wall of montant, and the below outer wall of spring links to each other with second diaphragm and first diaphragm are fixed respectively.

Preferably, a cord is fixedly connected to the lower portion of the outer side of the second transverse plate, the outer wall of the cord is in clearance fit with the inner wall of the outer through hole of the first transverse plate, and a round block is fixedly connected to the lower portion of the cord and can drive the second transverse plate to move through the cord.

Compared with the prior art, the utility model has the beneficial effects that: according to the stainless steel gate valve with the lubricating function, the sealing gasket can be arranged on the outer wall of the sleeve through the mutual matching of the second connecting disc, the bolt, the nut, the valve seat, the valve cover and other structures, and the sleeve is fixed through the valve seat and the valve cover, so that the sealing performance of the stainless steel gate valve is improved;

through the mutual matching among the structures such as the top plate, the lifting rod, the turntable and the like, the lifting rod can be driven to rotate through the turntable and can move through the top plate, so that the internal elements of the valve body can be controlled through the lifting rod;

through mutually supporting between riser, first diaphragm, montant, second diaphragm, baffle and the spring isotructure, can make the circular block pass through the cotton rope and drive the second diaphragm and remove, the second diaphragm drives the baffle and removes, makes the oil filler point of baffle on with the sleeve expose to oil filler point alright through the oil filler point on the sleeve with carry out oiling work to the inside of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 at the location of the bolt, the valve seat and the sleeve;

fig. 4 is a schematic view of the structure of fig. 2 at the spring, cord and circular block.

In the figure: 1. the valve comprises a valve body, 2, a first connecting disc, 3, a fixing device, 301, a second connecting disc, 302, a bolt, 303, a nut, 304, a valve seat, 305, a valve cover, 4, a rotating device, 401, a top plate, 402, a lifting rod, 403, a rotating disc, 5, an elastic device, 501, a vertical plate, 502, a first transverse plate, 503, a vertical rod, 504, a second transverse plate, 505, a baffle plate, 506, a spring, 6, a sleeve, 7, a sealing gasket, 8, a rope, 9 and a round block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a stainless steel gate valve with a lubricating function comprises a valve body 1 and a first connecting disc 2, the first connecting disc 2 is welded above the valve body 1, 4 through holes are processed in the first connecting disc 2, a fixing device 3 is installed above the first connecting disc 2, the fixing device 3 comprises a second connecting disc 301, a bolt 302, a nut 303, a valve seat 304 and a valve cover 305, the lower surface of the second connecting disc 301 is tightly attached to the outer wall of the upper portion of the first connecting

disc

2, 4 through holes are processed in the second connecting disc 301, the bolt 302 is tightly attached to the through holes of the second connecting disc 301 and the first connecting disc 2, the nut 303 is in threaded connection with the outer wall of the lower portion of the bolt 302, the outer wall of the upper portion of the nut 303 is tightly attached to the lower surface of the first connecting disc 2, the first connecting disc 2 and the second connecting disc 301 can be fixed through the bolt 302 and the nut 303, the valve seat 304 is fixedly connected to the upper portion of the second connecting disc 301, the valve cover 305 is screwed above the valve seat 304, a through hole is formed in the middle of the valve cover 305, the sleeve 6 is fixedly connected inside the valve seat 304, oil filling holes are formed in the two ends of the sleeve 6, the outer wall of the sleeve 6 is in clearance fit with the inner wall of the through hole of the valve cover 305, the sealing gasket 7 is installed on the outer wall of the sleeve 6, the outer wall of the sealing gasket 7 is tightly attached to the inner wall of the valve seat 304, and the sealing performance of the device can be improved through the sealing gasket 7.

Rotating device 4 is installed to the top of sleeve 6, rotating device 4 includes roof 401, lifter 402 and carousel 403, the below and the sleeve 6 of roof 401 are fixed continuous, the inside threaded connection of roof 401 has lifter 402, the outer wall processing of lifter 402 has the screw thread, lifter 402 can remove through roof 401 like this, the outer wall of lifter 402 and the inner wall clearance fit of sleeve 6, the top integrated into one piece of lifter 402 is provided with carousel 403, can drive lifter 402 through carousel 403 and rotate.

An elastic device 5 is arranged above the valve cover 305, the elastic device 5 comprises a vertical plate 501, a first transverse plate 502, a vertical rod 503, a second transverse plate 504, a baffle plate 505 and a spring 506, the lower parts of the left vertical plate 501 and the right vertical plate 501 are fixedly connected with the valve cover 305, the middle of the inner side of the vertical plate 501 is fixedly connected with the first

transverse plate

502, 2 through holes are processed in the first transverse plate 502, the vertical rod 503 is arranged at the through hole of the first transverse plate 502, the vertical rod 503 has elasticity, the outer wall of the vertical rod 503 is in clearance fit with the inner wall of the through hole of the inner side of the first transverse plate 502, the second transverse plate 504 is fixedly connected above the vertical rod 503, the baffle plate 505 is fixedly connected at the inner side of the second transverse plate 504, the inner side of the baffle plate 505 is tightly attached to the outer wall of the oil injection hole of the sleeve 6, the oil injection hole on the sleeve 6 can be blocked through the baffle plate 505, the spring 506 is arranged on the outer wall above the vertical rod 503, and the upper and lower outer walls of the spring 506 are respectively fixedly connected with the second transverse plate 504 and the first transverse plate 502, when the second horizontal plate 504 moves downwards, the spring 506 is elastically deformed, the cord 8 is fixedly connected to the lower portion of the outer side of the second horizontal plate 504, the second horizontal plate 504 can be driven to move through the cord 8, the outer wall of the cord 8 is in clearance fit with the inner wall of the outer through hole of the first horizontal plate 502, and the round block 9 is fixedly connected to the lower portion of the cord 8.

In this embodiment, when an operator needs to use a stainless steel gate valve with a lubricating function, the operator firstly sleeves the sealing gasket 7 on the outer wall of the sleeve 6, drives the valve cover 305, the sealing gasket 7 and the like to move through the sleeve 6, so that the sealing gasket 7 and the sleeve 6 enter the valve seat 304, and then connects and fixes the valve cover 305 and the valve seat 304, so that the sealing performance of the connection part of the device can be improved through the sealing gasket 7, then drives the valve seat 304, the sleeve 6 and the like to move through the second connecting disc 301, installs the second connecting disc 301 on the first connecting disc 2, fixes the second connecting disc 301 on the first connecting disc 2 through the bolt 302 and the nut 303, thereby completing the installation work of the device, when the interior of the device needs to be lubricated, pulls the circular block 9 downwards, so that the circular block 9 moves downwards through the wire rope belt 8 to move the second horizontal plate 504, and the second horizontal plate 504 drives the vertical rod 503 and the baffle 505 to move, make baffle 505 expose the oil filler point on with sleeve 6, the first diaphragm 502 of second diaphragm 504 cooperation can make spring 506 take place elastic deformation simultaneously, later external equipment can pour into this device with lubricating oil through the oil filler point on the sleeve 6 inside to accomplish lubricated work, later loosen circular block 9, make second diaphragm 504 drive baffle 505 and reset, block the oil filler point on with sleeve 6 through baffle 505, just so improved the practicality of this device.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stainless steel gate valve that possesses lubricating function, includes valve body (1) and first flange (2), the top welding of valve body (1) has first flange (2), its characterized in that: a fixing device (3) is arranged above the first connecting disc (2);

the fixing device (3) comprises a second connecting disc (301), a bolt (302), a nut (303), a valve seat (304) and a valve cover (305);

the lower surface of second connection pad (301) closely laminates with the top outer wall of first connection pad (2), the through-hole department of second connection pad (301) and first connection pad (2) closely laminates bolt (302), and the below outer wall threaded connection of bolt (302) has nut (303), the top outer wall of nut (303) closely laminates with the lower surface of first connection pad (2), the top rigid coupling of second connection pad (301) has disk seat (304), and the top spiro union of disk seat (304) has valve gap (305).

2. The stainless steel gate valve with a lubricating function according to claim 1, wherein: the inside rigid coupling of valve seat (304) has sleeve (6), and the outer wall of sleeve (6) and the through-hole department inner wall clearance fit of valve gap (305), sealed pad (7) are installed to the outer wall of sleeve (6), and the outer wall of sealed pad (7) closely laminates with the inner wall of valve seat (304).

3. The stainless steel gate valve with a lubricating function according to claim 2, wherein: a rotating device (4) is arranged above the sleeve (6);

the rotating device (4) comprises a top plate (401), a lifting rod (402) and a turntable (403);

the lower part of the top plate (401) is fixedly connected with the sleeve (6), the inner part of the top plate (401) is in threaded connection with a lifting rod (402), the outer wall of the lifting rod (402) is in clearance fit with the inner wall of the sleeve (6), and a turntable (403) is integrally formed above the lifting rod (402).

4. The stainless steel gate valve with a lubricating function according to claim 1, wherein: an elastic device (5) is arranged above the valve cover (305);

the elastic device (5) comprises a vertical plate (501), a first transverse plate (502), a vertical rod (503), a second transverse plate (504), a baffle (505) and a spring (506);

control the below of riser (501) is fixed continuous with valve gap (305), the rigid coupling has first diaphragm (502) in the middle of the inboard of riser (501), montant (503) are installed to the through-hole department of first diaphragm (502), and the outer wall of montant (503) and the inboard through-hole department inner wall clearance fit of first diaphragm (502), the top rigid coupling of montant (503) has second diaphragm (504), and the inboard rigid coupling of second diaphragm (504) has baffle (505), the inboard of baffle (505) is closely laminated with the oil filler hole department outer wall of sleeve (6), spring (506) are installed to the top outer wall of montant (503), and the upper and lower side outer wall of spring (506) links to each other with second diaphragm (504) and first diaphragm (502) are fixed respectively.

5. The stainless steel gate valve with a lubricating function according to claim 4, wherein: a wire rope (8) is fixedly connected to the lower portion of the outer side of the second transverse plate (504), the outer wall of the wire rope (8) is in clearance fit with the inner wall of the through hole in the outer side of the first transverse plate (502), and a round block (9) is fixedly connected to the lower portion of the wire rope (8).