CN213808938U

CN213808938U - Gate valve with rust-proof function

Info

Publication number: CN213808938U
Application number: CN202022587912.7U
Authority: CN
Inventors: 吴添元
Original assignee: Fujian Lidun Industry Co ltd
Current assignee: Fujian Lidun Industry Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-27
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a gate valve with rust-resistant function, including device base, lifter plate, automatic telescopic link and sealed pad, the top of device base is provided with the device inferior valve, the collecting box is installed to the below of control block, the upper end of collecting box is provided with the baffle, the below of baffle is connected with supporting spring, the mud drainage mouth has been seted up to the bottom lateral wall of collecting box, the side-mounting of collecting box has the lifter plate, automatic telescopic link is installed to the below of lifter plate, the inside sealed pad that is provided with of device. This gate valve with rust-resistant function is provided with sealed the pad, and the spare part of whole device rust-resistant loses and sprays paint, is the possibility of whole device greatly reduced corrosion, is provided with the filter screen, and the below of filter screen is provided with the collecting box, can say to you and filter, makes mud in the mud block on the baffle of collecting box, and gravity on the baffle surpasss supporting spring's strength is, and the baffle is opened, discharges mud on the baffle through letting out mud mouth.

Description

Gate valve with rust-proof function

Technical Field

The utility model relates to a gate valve technical field specifically is a gate valve with rust-resistant function.

Background

The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is provided with a rigid gate plate and an elastic gate plate, and the gate valves are divided into rigid gate valves and elastic gate valves according to different gate plates, wherein in an oil-gas field wellhead device and a Christmas tree, the slurry gate valve is a necessary pipeline control device in common use and is mainly used for controlling slurry circulation and closing in oil-mine drilling slurry circulation system equipment.

The main fluid medium of the currently used mud gate valve on the market is mud, when the mud gate valve operates intermittently, the mud left in the device can not be fixed in place after drying, and when the device continues to operate, the mud enters all corners in the device through gaps, so that the device is more difficult to clean, and the inside of the device is easy to rust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve with rust-resistant function to the main fluid medium of the mud gate valve that uses on the existing market that the solution above-mentioned background art provided is mud, when mud gate valve intermittent type nature operation, the inside remaining mud of device makes the closing means of gate valve can not fix in place after becoming dry, makes the inside difficult washing and the rusty problem of perishable that becomes of device.

In order to achieve the above object, the utility model provides a following technical scheme: a gate valve with an antirust function comprises a device base, a lifting plate, an automatic telescopic rod and a sealing gasket, wherein a device lower shell is arranged above the device base, a device upper shell is arranged above the device lower shell, a driving rod is arranged at the central position of the upper surface of the device upper shell, a fixing bolt is arranged at the joint of the driving rod and the device upper shell, a control block is connected with the tail end of the driving rod, a filter screen is arranged inside the control block, a water outlet is arranged on the right side of a water inlet fixed on the left side of the filter screen, a collecting box is arranged below the control block, a baffle is arranged at the upper end of the collecting box, a rotating shaft is arranged between the baffle and the side wall at the top end of the collecting box, a supporting spring is connected below the baffle, and a sludge discharge port is arranged on the side wall at the bottom of the collecting box, the side of the collecting box is provided with a lifting plate, an automatic telescopic rod is arranged below the lifting plate, and a sealing gasket is arranged inside the upper shell of the device.

Preferably, be fixed connection between the lower extreme of device inferior valve and the device base, constitute through the fixed pin between the upper end of device inferior valve and the device epitheca and can dismantle the connection, be threaded connection between actuating lever and the device epitheca.

Preferably, the lower half part of the control block is of a through structure, the size of the lower half part of the control block is equal to that of the water inlet and the water outlet, and the filter screen is fixedly connected with the control block.

Preferably, for dismantling the connection between collecting box and the device inferior valve, flip structure about the baffle passes through between supporting spring, rotation axis and the collecting box, the baffle size is equal to collecting box upper end open structure's size.

Preferably, the bottom surface of the collecting box is obliquely arranged, the bottom surface of the collecting box and the bottom surface of the device base are positioned on the same plane, and the sludge discharge port is formed in the side wall of the bottom surface.

Preferably, be embedded connection between the bottom surface of automatic telescopic link and device inferior valve, be fixed connection between automatic telescopic link and the lifter plate, be embedded connection between lifter plate and the water inlet, the size of lifter plate equals the size of water inlet, and the shape on the top of lifter plate is the arc.

Compared with the prior art, the beneficial effects of the utility model are that: this gate valve with rust-resistant function:

(1) the sealing gasket is arranged, and parts of the whole device are subjected to rust prevention and paint spraying, so that the possibility of rusting of the whole device is greatly reduced;

(2) be provided with the lifter plate, after the baffle on the collecting box was opened, the lifter plate rose through automatic telescopic link, plugged up the water inlet, prevented that a large amount of mud from getting into the collecting box to through letting out mud mouth eduction gear.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of a side view structure of the water outlet of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is the utility model discloses a structural diagram that cuts open downwards.

In the figure: 1. a device base; 2. a device lower case; 3. an upper device shell; 4. a fixing pin; 5. a drive rod; 6. fixing the bolt; 7. a control block; 8. a filter screen; 9. a water inlet; 10. a water outlet; 11. a collection box; 12. a baffle plate; 13. a rotating shaft; 14. a support spring; 15. a sludge discharge port; 16. a lifting plate; 17. Automatically telescoping the rod; 18. and a gasket.

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. 1-5, the present invention provides a technical solution: a gate valve with an antirust function comprises a device base 1, a device lower shell 2, a device upper shell 3, a fixing pin 4, a driving rod 5, a fixing bolt 6, a control block 7, a filter screen 8, a water inlet 9, a water outlet 10, a collecting box 11, a baffle 12, a rotating shaft 13, a supporting spring 14, a sludge discharge port 15, a lifting plate 16, an automatic telescopic rod 17 and a sealing gasket 18, wherein the device lower shell 2 is arranged above the device base 1, the device upper shell 3 is arranged above the device lower shell 2, the fixing pin 4 is arranged at the joint of the device upper shell 3 and the device lower shell 2, the driving rod 5 is arranged at the central position of the upper surface of the device upper shell 3, the fixing bolt 6 is arranged at the joint of the driving rod 5 and the device upper shell 3, the control block 7 is connected with the tail end of the driving rod 5, the filter screen 8 is arranged inside the control block 7, and the water inlet 9 is fixed on the left side of the filter screen 8, a water outlet 10 is arranged on the right side of the filter screen 8, a collecting box 11 is arranged below the control block 7, a baffle 12 is arranged at the upper end of the collecting box 11, a rotating shaft 13 is arranged between the baffle 12 and the side wall of the top end of the collecting box 11, a supporting spring 14 is connected below the baffle 12, a sludge discharge port 15 is formed in the side wall of the bottom of the collecting box 11, a lifting plate 16 is arranged on the side surface of the collecting box 11, an automatic telescopic rod 17 is arranged below the lifting plate 16, and a sealing gasket 18 is arranged inside the upper shell 3.

Be fixed connection between the lower extreme of device inferior valve 2 and the device base 1, constitute through fixed pin 4 between the upper end of device inferior valve 2 and the device epitheca 3 and can dismantle the connection, be threaded connection between actuating lever 5 and the device epitheca 3, make the dismantlement between device epitheca 3 and the device inferior valve 2 become simple and convenient more.

The lower half part of the control block 7 is of a through structure, the size of the lower half part of the control block 7 is equal to the size of the water inlet 9 and the water outlet 10, the filter screen 8 is fixedly connected with the control block 7, and the control block 7 controls the passing and the disconnection of mud.

The collecting box 11 is detachably connected with the device lower shell 2, the baffle 12 forms an up-and-down overturning structure with the collecting box 11 through the supporting spring 14 and the rotating shaft 13, and the size of the baffle 12 is equal to that of an opening structure at the upper end of the collecting box 11, so that mud on the baffle 12 cannot be accumulated to influence the normal motion of the control block 7.

The bottom surface of the collecting box 11 is obliquely arranged, the bottom surface of the collecting box 11 and the bottom surface of the device base 1 are positioned on the same plane, and the sludge discharge port 15 is formed in the side wall of the bottom surface, so that sludge in the collecting box 11 can be discharged in time, and the sludge cannot be accumulated in the collecting box 11 to influence the cleaning of the collecting box 11.

The automatic telescopic rod 17 is connected with the bottom surface of the device lower shell 2 in an embedded mode, the automatic telescopic rod 17 is fixedly connected with the lifting plate 16, the lifting plate 16 is connected with the water inlet 9 in an embedded mode, the size of the lifting plate 16 is equal to that of the water inlet 9, and the top end of the lifting plate 16 is arc-shaped, so that the lifting plate 16 can completely seal the water inlet 9.

The working principle is as follows: when the gate valve with the antirust function is used, firstly, parts required by the gate valve are painted, the parts inside the gate valve are prevented from being rusted, then the parts required by the gate valve are assembled, the water inlet 9 is connected, the driving rod 5 is rotated, the driving rod 5 drives the control block 7 to ascend, mud flows through the inside of the gate valve and flows through the filter screen 8 at the front end of the water outlet 10, the mud is blocked on the baffle 12 at the top end of the collecting box 11 by the filter screen 8, after the gravity generated by mud accumulated on the baffle 12 exceeds the force provided by the supporting spring 14 below the baffle 12, the baffle 12 overturns downwards, and then the mud enters the collecting box 11.

When the baffle 12 overturns downwards, the automatic telescopic rod 17 is started, the automatic telescopic rod 17 lifts the lifting plate 16 upwards until the lifting plate 16 seals the water inlet 9, so that a large amount of mud cannot flow into the inside of the collecting box 11, and because the bottom surface of the collecting box 11 is obliquely arranged, the mud entering the inside of the collecting box 11 is discharged out of the device through the mud discharge port 15 along the bottom plate of the collecting box 11, so that the mud inside the mud cannot be accumulated around the control block 7, the movement of the control block 7 cannot be influenced by the dry mud, and the mud can enter other parts inside the device and corrode other parts inside the device, which is the working process of the device.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a gate valve with rust-resistant function, includes device base (1), lifter plate (16), automatic telescopic link (17) and sealed pad (18), its characterized in that: the device is characterized in that a device lower shell (2) is arranged above a device base (1), a device upper shell (3) is arranged above the device lower shell (2), a fixing pin (4) is installed at the joint of the device upper shell (3) and the device lower shell (2), a driving rod (5) is installed at the center position of the upper surface of the device upper shell (3), a fixing bolt (6) is arranged at the joint of the driving rod (5) and the device upper shell (3), a control block (7) is connected to the tail end of the driving rod (5), a filter screen (8) is installed inside the control block (7), a water inlet (9) is fixed on the left side of the filter screen (8), a water outlet (10) is installed on the right side of the filter screen (8), a collecting box (11) is installed below the control block (7), and a baffle (12) is arranged at the upper end of the collecting box (11), the device is characterized in that a rotating shaft (13) is arranged between the baffle (12) and the side wall of the top end of the collecting box (11), a supporting spring (14) is connected below the baffle (12), a sludge discharge port (15) is formed in the side wall of the bottom of the collecting box (11), a lifting plate (16) is installed on the side face of the collecting box (11), an automatic telescopic rod (17) is installed below the lifting plate (16), and a sealing gasket (18) is arranged inside the upper shell (3).

2. The gate valve with rust preventive function according to claim 1, characterized in that: be fixed connection between the lower extreme of device inferior valve (2) and device base (1), constitute through fixed pin (4) between the upper end of device inferior valve (2) and device epitheca (3) and can dismantle the connection, be threaded connection between actuating lever (5) and the device epitheca (3).

3. The gate valve with rust preventive function according to claim 1, characterized in that: the lower half part of the control block (7) is of a through structure, the size of the lower half part of the control block (7) is equal to that of the water inlet (9) and the water outlet (10), and the filter screen (8) is fixedly connected with the control block (7).

4. The gate valve with rust preventive function according to claim 1, characterized in that: the collecting box (11) is detachably connected with the device lower shell (2), the baffle (12) forms an up-down overturning structure with the collecting box (11) through a supporting spring (14) and a rotating shaft (13), and the size of the baffle (12) is equal to that of an opening structure at the upper end of the collecting box (11).

5. The gate valve with rust preventive function according to claim 1, characterized in that: the bottom surface of the collecting box (11) is obliquely arranged, the bottom surface of the collecting box (11) and the bottom surface of the device base (1) are positioned on the same plane, and the sludge discharge port (15) is formed in the side wall of the bottom surface.

6. The gate valve with rust preventive function according to claim 1, characterized in that: be embedded connection between the bottom surface of automatic telescopic link (17) and device inferior valve (2), be fixed connection between automatic telescopic link (17) and lifter plate (16), be embedded connection between lifter plate (16) and water inlet (9), the size of lifter plate (16) equals the size of water inlet (9), and the shape on the top of lifter plate (16) is the arc.