CN218845250U

CN218845250U - Rust-proof dead valve structure

Info

Publication number: CN218845250U
Application number: CN202222784346.8U
Authority: CN
Inventors: 洪荣国
Original assignee: Hangzhou Baivalve Technology Co ltd
Current assignee: Hangzhou Baivalve Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-11
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a rust-resistant dead valve structure relates to valve technical field, which comprises a valve body, the top of valve body is provided with the valve rod, the top fixedly connected with fixed plate of valve body, the top threaded connection of fixed plate has two screw rods, two the surface threaded connection of screw rod has same protection casing, the bottom fixedly connected with sealing washer of protection casing, the surface of screw rod with the internal surface threaded connection of fixed plate. The utility model discloses, drive the runner assembly through the handle and rotate to drive two synchronous rotations of gear, thereby drive two screw rod synchronous motion, thereby make protection casing and fixed plate stable connection, seal the junction through the sealing washer, improved sealed efficiency, thereby improved sealed stability, avoid appearing the dead phenomenon of rust, through the oil feed pore pair valve rod oiling, the sealing plug is used for sealed inlet port, convenient operation has improved the life of screw rod.

Description

Rust-proof dead valve structure

Technical Field

The utility model relates to the technical field of valves, especially, relate to a rust-resistant dead valve structure.

Background

The valve is a control part in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like; the valve 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.

When the valve is used, the screw rod is used for connecting the valve, the valve is mutually sealed through the sealing ring, and because the sealing ring has elasticity, when the screw rods are separately rotated, the heights of the two screw rods are easily inconsistent, thereby causing the loss of the screws of the screw rods, reducing the service life of the screw rods,

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-rust dead valve structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a rust-resistant dead valve structure, includes the valve body, the top of valve body is provided with the valve rod, the top fixedly connected with fixed plate of valve body, the top threaded connection of fixed plate has two screw rods, two the surface threaded connection of screw rod has same protection casing, the bottom fixedly connected with sealing washer of protection casing, the surface of screw rod with the internal surface threaded connection of fixed plate, the surface of sealing washer with the top movable contact of fixed plate, two the equal fixedly connected with gear in top of screw rod, the top of fixed plate is connected with and is used for driving two gear revolve's runner assembly.

As a further description of the above technical solution:

the rotating assembly comprises two fixing rods fixed to the tops of the fixing plates, the tops of the two fixing rods are connected with the same annular inner rack in a sliding mode, and the inner surface of the annular inner rack is meshed with the outer surfaces of the two gears.

As a further description of the above technical solution:

two the equal fixed connection two stoppers of surface of dead lever, the surface of stopper with annular inner rack sliding connection.

As a further description of the above technical solution:

the top threaded connection of valve rod has the sealing plug, the inside of valve rod is provided with the inlet port.

As a further description of the above technical solution:

the outer surface of the annular inner rack is fixedly connected with a handle.

As a further description of the above technical solution:

the inner surface of the sealing ring is in sliding connection with the outer surface of the screw rod.

The utility model discloses following beneficial effect has:

compared with the prior art, this rust-resistant dead valve structure drives the runner assembly through the handle and rotates to drive two synchronous rotations of gear, thereby drive two screw rod synchronous motion, thereby make protection casing and fixed plate stable connection, seal the junction through the sealing washer, sealed efficiency has been improved, thereby sealed stability has been improved, the phenomenon of rust death is avoided appearing, through the oil feed hole to the valve rod oiling, the sealing plug is used for sealing the inlet port, convenient operation has improved the life of screw rod.

Drawings

Fig. 1 is a perspective view of a structure of a valve for preventing rust according to the present invention;

fig. 2 is a partial front sectional view of a structure of the anti-rust valve according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is an enlarged view of fig. 2 at B.

Illustration of the drawings:

1. a valve body; 2. a fixing plate; 3. a protective cover; 4. a screw; 5. a seal ring; 6. fixing the rod; 7. an annular inner rack; 8. a handle; 9. a limiting block; 10. a valve stem; 11. a sealing plug; 12. an oil inlet hole; 13. a gear.

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. 1-4, the utility model provides a pair of rust-resistant dead valve structure: including valve body 1, the top of valve body 1 is provided with valve rod 10, top fixedly connected with fixed plate 2 of valve body 1, the top threaded connection of fixed plate 2 has two screw rods 4, the surface threaded connection of two screw rods 4 has same protection casing 3, the bottom fixedly connected with sealing washer 5 of protection casing 3, the surface of screw rod 4 and the internal surface threaded connection of fixed plate 2, the surface of sealing washer 5 and the top movable contact of fixed plate 2, the equal fixedly connected with gear 13 in top of two screw rods 4, the top threaded connection of valve rod 10 has sealing plug 11, the internal surface of sealing washer 5 and screw rod 4's surface threaded connection, the inside of valve rod 10 is provided with inlet port 12, sealing plug 11 is opened, pour into lubricating oil into inlet port 12 in, then plug 11, avoid valve body 1 and valve rod 10 corrosion, the top of fixed plate 2 is connected with and is used for driving two gear 13 pivoted rotating assembly.

Further, the rotating assembly is including two dead levers 6 that are fixed in 2 tops of fixed plate, the top sliding connection of two dead levers 6 has rack 7 in the same annular, the internal surface of rack 7 and the surface intermeshing of two gears 13 in the annular, the surface fixed connection of rack 7 has handle 8 in the annular, it drives rack 7 rotation in the annular to rotate handle 8, thereby drive two synchronous rotations of gears 13, thereby drive screw rod 4 and rotate, thereby make screw rod 4 remove in to fixed plate 2, drive sealing washer 5 and fixed plate 2 contact, then continue to rotate handle 8 and drive sealing washer 5 compression, thereby seal the junction of protection casing 3 and fixed plate 2, two stopper 9 of the equal fixed connection of surface of two dead levers 6, the surface and the interior rack 7 sliding connection of annular of stopper 9, rack 7 is spacing in the annular through stopper 9, make rack 7 and gear 13 be in the engaged state all the time, make rack 7 rotate on fixed plate 2 in the annular simultaneously.

The working principle is as follows: put into 4 with the screw rod and put into on the fixed plate 2, rotate rack 7 and rotate in 8 drive rings of handle, thereby drive two gear 13 synchronous rotations, thereby drive screw rod 4 and rotate, thereby make screw rod 4 remove in to fixed plate 2, drive sealing washer 5 and the contact of fixed plate 2, then continue to rotate handle 8 and drive the compression of sealing washer 5, thereby seal the junction of protection casing 3 with fixed plate 2, then open sealing plug 11, pour into lubricating oil into inlet port 12 in, then plug sealing plug 11, avoid valve body 1 and valve rod 10 corrosion.

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 rust-resistant dead valve structure, includes valve body (1), its characterized in that: the top of valve body (1) is provided with valve rod (10), the top fixedly connected with fixed plate (2) of valve body (1), the top threaded connection of fixed plate (2) has two screw rods (4), two the surface threaded connection of screw rod (4) has same protection casing (3), the bottom fixedly connected with sealing washer (5) of protection casing (3), the surface of screw rod (4) with the internal surface threaded connection of fixed plate (2), the surface of sealing washer (5) with the top movable contact of fixed plate (2), two the equal fixedly connected with gear (13) in top of screw rod (4), the top of fixed plate (2) is connected with and is used for driving two gear (13) pivoted runner assembly.

2. The structure of claim 1, wherein: the rotating assembly comprises two fixing rods (6) fixed to the tops of the fixing plates (2), the tops of the two fixing rods (6) are connected with the same annular inner rack (7) in a sliding mode, and the inner surface of the annular inner rack (7) is meshed with the outer surfaces of the two gears (13).

3. The structure of claim 2, wherein: the outer surfaces of the two fixing rods (6) are fixedly connected with two limiting blocks (9), and the outer surfaces of the limiting blocks (9) are connected with the annular inner rack (7) in a sliding mode.

4. The structure of claim 1, wherein: the top threaded connection of valve rod (10) has sealing plug (11), the inside of valve rod (10) is provided with inlet port (12).

5. A valve structure against rust according to claim 2, characterized in that: the outer surface of the annular inner rack (7) is fixedly connected with a handle (8).

6. The structure of claim 1, wherein: the inner surface of the sealing ring (5) is in sliding connection with the outer surface of the screw rod (4).