CN217482092U

CN217482092U - Gate valve with rust-proof function

Info

Publication number: CN217482092U
Application number: CN202123451235.7U
Authority: CN
Inventors: 许兵
Original assignee: Suqian Taiping Valve Fittings Co ltd
Current assignee: Suqian Taiping Valve Fittings Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-23
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a gate valve with rust-resistant function belongs to gate valve technical field. It includes the valve body, the valve body top is connected with the valve gap, and the valve gap top rotates to be connected with and runs through the valve gap and extend to the valve rod in the valve body, the one end of keeping away from the valve body of valve rod is fixed with the hand wheel, the outside of valve gap is equipped with spacing frame, and spacing frame is fixed with the valve body, the top of spacing frame is equipped with the visor, and the one end of visor passes through the hinge and is connected with spacing frame rotation, the outer wall of spacing frame is fixed with the elastic plate, and the elastic plate keeps away from hinge one side setting, the other end of elastic plate is fixed with the fixture block, the fixed cell body that inlays and be equipped with the mutual joint of fixture block of outer wall of visor. The utility model discloses can protect the valve rod, prevent that the valve rod from being in under the humid environment oxidation with higher speed for a long time to reach rust-resistant purpose, can prescribe a limit to the position after the hand wheel rotates simultaneously, guarantee its stability of opening with closed back.

Description

Gate valve with rust-proof function

Technical Field

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

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled, the gate valve is sealed by contacting a valve seat and the gate plate, usually, a metal material is overlaid on a sealing surface to increase the wear resistance, the gate valve has the advantages of small flow resistance, direct medium channel in the valve body, linear medium flow, small flow resistance, labor saving during opening and closing, medium flow in any direction at two sides, and easiness in installation.

At present, install the gate valve in outdoor environment, because its handle exposes for a long time with the valve body junction externally and the valve rod leads to the antirust coat ageing easily at the rotation in-process, lead to it to appear the speed of rustting and accelerate the condition very easily after contacting the rainwater, and when its junction appears the oxidation rust, influenced the smooth nature when rotating, can directly cause the handle to twist the difficulty of commentaries on classics operation, later stage is lubricated again and is maintained also to be difficult to keep it smooth and easy, brings inconvenience for operating personnel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the utility model provides a gate valve with rust-resistant function, it has solved the valve rod and has leaded to the antirust coat ageing easily at the rotation in-process, leads to it to appear the problem of the speed of rustting acceleration condition very easily after contacting the rainwater.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

the utility model provides a gate valve with rust-resistant function, includes the valve body, the valve body top is connected with the valve gap, just the valve gap top is rotated and is connected with the valve rod that runs through the valve gap and extend to in the valve body, the one end of keeping away from the valve body of valve rod is fixed with the hand wheel, the outside of valve gap is equipped with spacing frame, just spacing frame is fixed with the valve body, the top of spacing frame is equipped with the visor, just the one end of visor is passed through the hinge and is connected with spacing frame rotation, the outer wall of spacing frame is fixed with the elastic plate, just hinge one side setting is kept away from to the elastic plate, the other end of elastic plate is fixed with the fixture block, the fixed cell body that inlays the outer wall of visor and be equipped with the mutual joint of fixture block, the top of visor be equipped with the spacing subassembly of hand wheel assorted.

As preferred example, spacing subassembly includes limit gear, movable rod and fixed block, the one end of movable rod is fixed with limit gear, just the other end of movable rod runs through last lateral wall and the outside extension of visor, the bar hole has been seted up to the lateral wall of movable rod, the fixed block is located the bar downthehole, just the both ends of fixed block all are fixed with the visor, the downthehole spring that still is equipped with of bar, just the both ends of spring are fixed with the lateral wall of bar hole and fixed block respectively, the top of hand wheel seted up with limit gear assorted tooth's socket.

As a preferable example, a limiting cylinder is fixed on the top of the protective cover, and the limiting cylinder is sleeved with the movable rod in a sliding manner.

As the preferred example, the one end symmetry that the limiting gear was kept away from to the movable rod is fixed with two stopper, the both sides inner wall of a spacing section of thick bamboo all seted up with stopper sliding connection's spacing spout.

As a preferable example, a pull rod is fixed on the side wall of the side, away from the protective cover, of the fixture block.

As a preferable example, a sealing ring is further fixed at the bottom of the protective cover, and the sealing ring abuts against the limiting frame.

As a preferable example, the top of the side of the fixture block opposite to the protective cover is provided with an inclined surface.

The utility model has the advantages that: the utility model discloses can protect the valve rod, prevent that the valve rod from being in under the humid environment oxidation with higher speed for a long time to reach rust-resistant purpose, can inject the position after the hand wheel rotates simultaneously, guarantee its stability after opening and the closure.

Drawings

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

fig. 2 is a schematic structural view of a portion a in fig. 1.

In the figure: the valve comprises a valve body 1, a valve rod 2, a hand wheel 3, a limiting frame 4, a protective cover 5, an elastic plate 6, a clamping block 7, a groove body 8, a sealing ring 9, a limiting gear 10, a movable rod 11, a fixing block 12, a spring 13, a limiting cylinder 14, a limiting block 15 and a pull rod 16.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in fig. 1-2, a gate valve with an antirust function comprises a valve body 1, a valve cover is connected to the top of the valve body 1, a valve rod 2 penetrating through the valve cover and extending into the valve body 1 is rotatably connected to the top of the valve cover, a hand wheel 3 is fixed to one end of the valve rod 2, which is far away from the valve body 1, a limiting frame 4 is arranged outside the valve cover, the limiting frame 4 is fixed to the valve body 1, a protective cover 5 is arranged above the limiting frame 4, one end of the protective cover 5 is rotatably connected to the limiting frame 4 through a hinge, a sealing ring 9 is further fixed to the bottom of the protective cover 5, the sealing ring 9 abuts against the limiting frame 4, the sealing effect between the protective cover 5 and the limiting frame 4 is improved, an elastic plate 6 is fixed to the outer wall of the limiting frame 4, a clamping block 7 is fixed to one side of the elastic plate 6, a clamping block 7 is fixed to the other end of the elastic plate 6, a groove body 8 clamped with the clamping block 7 is fixedly embedded in the outer wall of the protective cover 5, a pull rod 16 is fixed on the side wall of one side, opposite to the protective cover 5, of the clamping block 7, so that the elastic plate 6 can be pulled to deform conveniently, an inclined surface is formed in the top of one side, opposite to the protective cover 5, of the clamping block 7, when the protective cover 5 abuts against the inclined surface of the clamping block 7, the elastic plate 6 can deform automatically, and a limiting component matched with the hand wheel 3 is arranged on the top of the protective cover 5.

The limiting assembly comprises a limiting gear 10, a movable rod 11 and a fixed block 12, one end of the movable rod 11 is fixed with the limiting gear 10, the other end of the movable rod 11 penetrates through the upper side wall of the protective cover 5 and extends outwards, the side wall of the movable rod 11 is provided with a strip-shaped hole, the fixed block 12 is positioned in the strip-shaped hole, both ends of the fixed block 12 are fixed with the protective cover 5, two limiting blocks 15 are symmetrically fixed at one end of the movable rod 11 away from the limiting gear 10, limiting chutes in sliding connection with the limiting blocks 15 are formed in the inner walls of both sides of a limiting cylinder 14, the moving stability of the movable rod 11 is ensured, a spring 13 is further arranged in the strip-shaped hole, both ends of the spring 13 are respectively fixed with the strip-shaped hole and the side wall of the fixed block 12, the top of the hand wheel 3 is provided with a tooth socket matched with the limiting gear 10, a limiting cylinder 14 is fixed at the top of the protective cover 5, and the limiting cylinder 14 is sleeved with the movable rod 11 in a sliding manner, can guarantee the leakproofness behind the closure of visor 5, prevent that gas from entering into its inside through the bar hole.

The working principle is as follows: when using, through the visor 5 that is equipped with, pulling visor 5 rotates around the hinge, and then make it close spacing frame 4's opening, and play the effect of protection to valve rod 2, prevent that valve rod 2 from being in the oxidation with higher speed under the humid environment for a long time, thereby reach rust-resistant purpose, elastic plate 6 and fixture block 7 that the rethread was equipped with, when the position of cell body 8 and fixture block 7 is relative, the elasticity of elastic plate 6 can make fixture block 7 block to the cell body in, and then prescribe a limit to the position of visor 5, guarantee its stability of lock on spacing frame 4, the rethread is equipped with fixed block 12 and spring 13, after visor 5 lock is on spacing frame 4, the pulling force of spring 13 can drive movable rod 11 downstream, and then make limiting gear 10 block to the tooth's socket in, prevent that hand wheel 3 from rotating, guarantee the stability of its use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gate valve with rust-resistant function, includes valve body (1), valve body (1) top is connected with the valve gap, just the valve gap top is rotated and is connected with valve rod (2) that run through the valve gap and extend to in valve body (1), its characterized in that: the valve rod (2) keep away from the one end of valve body (1) and be fixed with hand wheel (3), the outside of valve gap is equipped with spacing frame (4), just spacing frame (4) are fixed with valve body (1), the top of spacing frame (4) is equipped with visor (5), just the one end of visor (5) is passed through the hinge and is rotated with spacing frame (4) and be connected, the outer wall of spacing frame (4) is fixed with springboard (6), just hinge one side setting is kept away from in springboard (6), the other end of springboard (6) is fixed with fixture block (7), the fixed cell body (8) that are equipped with the mutual joint with fixture block (7) that inlays of outer wall of visor (5), the top of visor (5) be equipped with hand wheel (3) assorted spacing subassembly.

2. The gate valve with rust preventive function according to claim 1, characterized in that: spacing subassembly includes limit gear (10), movable rod (11) and fixed block (12), the one end and limit gear (10) of movable rod (11) are fixed, just the other end of movable rod (11) runs through last lateral wall and the outside extension of visor (5), the bar hole has been seted up to the lateral wall of movable rod (11), fixed block (12) are located the bar downthehole, just the both ends of fixed block (12) are all fixed with visor (5), the bar is downthehole still to be equipped with spring (13), just the both ends of spring (13) are fixed with the lateral wall of bar hole and fixed block (12) respectively, the top of hand wheel (3) seted up with limit gear (10) assorted tooth's socket.

3. The gate valve with rust preventive function according to claim 1, characterized in that: a limiting cylinder (14) is fixed at the top of the protective cover (5), and the limiting cylinder (14) is sleeved with the movable rod (11) in a sliding mode.

4. The gate valve with rust-proofing function according to claim 3, characterized in that: the one end symmetry that limit gear (10) were kept away from in movable rod (11) is fixed with two stopper (15), the both sides inner wall of a spacing section of thick bamboo (14) all seted up with stopper (15) sliding connection's spacing spout.

5. The gate valve with rust preventive function according to claim 1, characterized in that: and a pull rod (16) is fixed on the side wall of the fixture block (7) opposite to one side of the protective cover (5).

6. The gate valve with rust preventive function according to claim 1, characterized in that: the bottom of the protective cover (5) is further fixed with a sealing ring (9), and the sealing ring (9) is abutted against the limiting frame (4).

7. The gate valve with rust preventive function according to claim 1, characterized in that: the top of one side of the protection cover (5) opposite to the fixture block (7) is provided with an inclined surface.