CN211779253U

CN211779253U - Anti-corrosion stop valve

Info

Publication number: CN211779253U
Application number: CN201922322838.3U
Authority: CN
Inventors: 吴文渊
Original assignee: Jiangsu Shangvalve Industry Co ltd
Current assignee: Jiangsu Shangvalve Industry Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-10-27
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses an anti-corrosion stop valve, which comprises a valve body, a stop unit, a connecting column and a lower flange; a valve body: a connecting column is arranged at the top end of the outer side surface of the valve body, a lower flange is arranged at the top end of the connecting column, a groove is formed in the inner side of the top end of the lower flange, and fastening units are arranged on the left side and the right side of the front end and the rear end of the outer side surface of the valve body; a cutoff unit: the stop unit comprises a mounting frame, an installation cylinder, an internal thread, a connecting rod, an external thread, a round plug and a rotating handle, the installation frame is arranged in a lower flange inner side groove, the middle of the mounting frame is provided with the installation cylinder, the inside of the installation cylinder is hollow, the inner side of the installation cylinder is provided with the internal thread, the outer side of the connecting rod is provided with the external thread, the external thread is connected with the internal thread, the bottom end of the connecting rod is connected with the middle of the top end of the round plug, the round plug is located on the inner side of the valve body, and the anti-corrosion stop valve is simple to use, firm to fix.

Description

Anti-corrosion stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is an anticorrosive stop valve.

Background

The stop valve is also called as a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent leakage of a forced sealing surface, when a medium enters the valve from the lower part of the valve clack, the resistance required to be overcome by an operating force is the friction force of a valve rod and packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the fault of top bending of the valve rod can occur, most of the interior of the stop valves on the market do not have an anti-corrosion structure at present, and due to corrosive substances in liquid, the interior of the valve body can be slowly corroded in the long-time use process of the valve body, finally, the water leakage of a joint is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an anticorrosive stop valve, simple to use, it is fixed firm, anticorrosive effectual, long service life can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-corrosion stop valve comprises a valve body, a stop unit, a connecting column and a lower flange;

a valve body: a connecting column is arranged at the top end of the outer side surface of the valve body, a lower flange is arranged at the top end of the connecting column, a groove is formed in the inner side of the top end of the lower flange, and fastening units are arranged on the left side and the right side of the front end and the rear end of the outer side surface of the valve body;

a cutoff unit: the stop unit comprises a mounting frame, a mounting cylinder, an internal thread, a connecting rod, an external thread, a round plug and a rotating handle, the mounting frame is arranged in a groove on the inner side of the lower flange, the mounting cylinder is arranged in the middle of the mounting frame, the mounting cylinder is hollow, the internal thread is arranged on the inner side of the mounting cylinder, the external thread is arranged on the outer side of the connecting rod, the external thread is in threaded connection with the internal thread, the bottom end of the connecting rod is connected with the middle of the top end of the round plug, the round plug is positioned on the inner side of the valve body, and the rotating handle;

the mounting structure comprises a mounting barrel, a connecting column and a plurality of connecting columns, and is characterized by further comprising an upper flange and two zinc blocks, wherein the bottom end of the upper flange is matched with the top end of the lower flange, the shaft hole in the middle of the upper flange is attached to the outer side of the mounting barrel, and the two zinc blocks are respectively arranged at the left end and the right end of the outer side surface of the connecting column.

Through the unit that ends, can operating personnel's in service behavior come control round stopper height of opening to the velocity of flow of better control fluid also can prevent to receive the corruption of liquid in the valve body simultaneously.

Further, the fastening unit contains runner, installation piece, screw rod and fixture block, the lateral surface at the valve body is established to the installation piece, the middle part of installation piece is equipped with the screw, screw and screw rod threaded connection, the medial surface of medial extremity and the runner of screw rod is connected, the outside end of screw rod is rotated with the medial surface of fixture block and is connected, can make the both ends of valve body more firm with being connected of outside body, prevents that the junction is not hard up to lead to the scheduling problem of leaking.

Further, still include the sealing washer, the sealing washer is established in the bottom of mounting bracket and is located the inboard recess in lower flange top, can effectively reduce the gap between mounting bracket bottom and the connecting column top, prevents that liquid from leaking.

Furthermore, the hydraulic stopper further comprises two limiting columns which are respectively arranged at the left side and the right side of the top end of the round stopper, so that the rising height of the round stopper can be limited, the phenomenon that the rising position of the round stopper is too high due to too large water pressure is prevented, and the hydraulic stopper is convenient for operators to use.

Further, the round plug comprises an anti-corrosion coating, the anti-corrosion coating is coated on the surface of the round plug, the round plug can be effectively protected from being corroded by liquid, and the service life of the round plug is prolonged.

Compared with the prior art, the beneficial effects of the utility model are that: this anticorrosive stop valve has following benefit:

1. the opening height of the round plug can be controlled by the using condition of an operator through the stop unit, so that the flow rate of fluid is better controlled, and meanwhile, the corrosion of liquid in the valve body can be prevented;

2. the fastening unit can enable the two ends of the valve body to be connected with the external pipe body more firmly, the problems of water leakage and the like caused by looseness of the connection part are solved, and the sealing ring is arranged, so that a gap between the bottom end of the mounting frame and the top end of the connecting column can be effectively reduced, and liquid leakage is prevented;

3. be equipped with spacing post, can inject the height that the circle stopper rises, prevent that water pressure is too big to lead to the circle to rise the position too high on the stopper to make things convenient for operating personnel to use, be equipped with anticorrosive coating, can effectively protect the circle stopper not corroded by liquid, and then increase the life of circle stopper.

Drawings

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

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

FIG. 3 is a schematic view of the enlarged structure of the part A of the present invention;

fig. 4 is a schematic view of the structure of the anti-corrosion coating of the present invention.

In the figure: the valve comprises a valve body 1, a stop unit 2, a mounting frame 21, an installation barrel 22, an internal thread 23, a connecting rod 24, an external thread 25, a round plug 26, a rotating handle 27, a fastening unit 3, a rotating wheel 31, an installation block 32, a screw rod 33, a clamping block 34, a connecting column 4, a lower flange 5, an upper flange 6, a sealing ring 7, a limiting column 8, a zinc block 9 and an anticorrosive coating 10.

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 present invention provides a technical solution: an anti-corrosion stop valve comprises a valve body 1, a stop unit 2, a connecting column 4 and a lower flange 5;

valve body 1: the top end of the outer side surface of the valve body 1 is provided with a connecting column 4, the top end of the connecting column 4 is provided with a lower flange 5, the inner side of the top end of the lower flange 5 is provided with a groove, the left side and the right side of the front end and the rear end of the outer side surface of the valve body 1 are respectively provided with a fastening unit 3, each fastening unit 3 comprises a rotating wheel 31, an installation block 32, a screw 33 and a clamping block 34, the installation block 32 is arranged on the outer side surface of the valve body 1, the middle part of the installation block 32 is provided with a screw hole, the screw hole is in threaded connection with the screw 33, the inner side end of the screw 33 is connected with the outer side surface of the rotating wheel 31, the outer side end of;

the cutoff unit 2: the stop unit 2 comprises an installation frame 21, an installation barrel 22, an internal thread 23, a connecting rod 24, an external thread 25, a round plug 26 and a rotating handle 27, the installation frame 21 is arranged in a groove on the inner side of the lower flange 5, the installation barrel 22 is arranged in the middle of the installation frame 21, the installation barrel 22 is hollow, the internal thread 23 is arranged on the inner side of the installation barrel 22, the external thread 25 is arranged on the outer side of the connecting rod 24, the external thread 25 is in threaded connection with the internal thread 23, the bottom end of the connecting rod 24 is connected with the middle of the top end of the round plug 26, the round plug 26 is positioned on the inner side of the valve body 1, the rotating handle 27 is arranged on the top end of the connecting rod 24, and through the stop unit 2, the opening height of the round plug 26 can be controlled by the;

wherein, still include upper flange 6 and zinc block 9, the bottom of upper flange 6 cooperates with the top of lower flange 5, the shaft hole in the middle part of upper flange 6 is laminated with the outside of the installation cylinder 22, zinc block 9 has two and establishes respectively in the left and right both ends of the lateral surface of spliced pole 4, still include the sealing washer 7, the sealing washer 7 is established in the bottom of mounting bracket 21 and is located inside the recess of the inboard top of lower flange 5, can effectively reduce the gap between bottom of mounting bracket 21 and the top of spliced pole 4, prevent the liquid leakage, still include spacing post 8, spacing post 8 has two and establishes respectively in the left and right sides of the top of round stopper 26, can limit the height that round stopper 26 rises, prevent the too high position that rises of round stopper 26 that the too big water pressure leads to, thus make things convenient for operating personnel to use, still include anticorrosive coating 10, anticorrosive coating 10 coats on the surface of round stopper 26, can effectively protect round stopper 26 from being corroded, thereby increasing the useful life of the round plug 26.

When in use: firstly, the outer pipe bodies at two ends of the valve body 1 are connected, the rotating wheel 31 is rotated to enable the screw 33 to move towards the inner side, the clamping block 34 connected with the other end of the screw 33 clamps the flange at the joint of the valve body 1 and the outer pipe body, so that the connection between the two ends of the valve body 1 and the outer pipe body is firmer, the problems of water leakage and the like caused by looseness of the joint are prevented, then a water source is connected, when the valve body 1 needs to be closed, the rotating handle 27 is rotated, the middle part of the bottom end of the rotating handle 27 is connected with the top end of the connecting rod 24, the outer side of the connecting rod 24 is sleeved with the external thread 25 to be in threaded connection with the internal thread 23 on the inner side of the mounting cylinder 22, the bottom end of the connecting rod 24 is connected with the middle part of the top end of the round plug 26, the round plug 26 can be driven to move up and down by the, the bottom of mounting bracket 21 still is equipped with sealing washer 7, and sealing washer 7 can effectively reduce the gap between mounting bracket 21 bottom and the 4 tops of spliced pole, prevents that liquid from leaking, and the left and right sides on circle stopper 26 top all is equipped with spacing post 8, and the height that circle stopper 26 rose can be injectd to spacing post 8, prevents that water pressure from leading to the too big position of rising of circle stopper 26 too high to make things convenient for operating personnel to use.

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

Claims

1. An anticorrosive stop valve which characterized in that: comprises a valve body (1), a stop unit (2), a connecting column (4) and a lower flange (5);

valve body (1): a connecting column (4) is arranged at the top end of the outer side face of the valve body (1), a lower flange (5) is arranged at the top end of the connecting column (4), a groove is formed in the inner side of the top end of the lower flange (5), and fastening units (3) are arranged on the left side and the right side of the front end and the rear end of the outer side face of the valve body (1);

cutoff unit (2): the stop unit (2) comprises a mounting frame (21), a mounting cylinder (22), an internal thread (23), a connecting rod (24), an external thread (25), a round plug (26) and a rotating handle (27), the mounting frame (21) is arranged in a groove on the inner side of the lower flange (5), the mounting cylinder (22) is arranged in the middle of the mounting frame (21), the mounting cylinder (22) is hollow, the internal thread (23) is arranged on the inner side of the mounting cylinder (22), the external thread (25) is arranged on the outer side of the connecting rod (24), the external thread (25) is in threaded connection with the internal thread (23), the bottom end of the connecting rod (24) is connected with the middle of the top end of the round plug (26), the round plug (26) is located on the inner side of the valve body (1), and the rotating handle (27) is arranged at the top end;

the mounting structure is characterized by further comprising an upper flange (6) and a zinc block (9), wherein the bottom end of the upper flange (6) is matched with the top end of the lower flange (5), the shaft hole in the middle of the upper flange (6) is attached to the outer side of the mounting cylinder (22), and the zinc block (9) is provided with two ends which are arranged on the outer side surface of the connecting column (4) respectively.

2. An anti-corrosion stop valve according to claim 1, characterized in that: fastening unit (3) contain runner (31), installation piece (32), screw rod (33) and fixture block (34), the lateral surface at valve body (1) is established in installation piece (32), the middle part of installation piece (32) is equipped with the screw, screw and screw rod (33) threaded connection, the medial surface of medial extremity and runner (31) of screw rod (33) is connected, the medial surface rotation of the outside end and fixture block (34) of screw rod (33) is connected.

3. An anti-corrosion stop valve according to claim 1, characterized in that: still include sealing washer (7), establish in the bottom of mounting bracket (21) and be located down inside the recess of flange (5) top inboard sealing washer (7).

4. An anti-corrosion stop valve according to claim 1, characterized in that: the round plug is characterized by further comprising two limiting columns (8), wherein the two limiting columns (8) are respectively arranged on the left side and the right side of the top end of the round plug (26).

5. An anti-corrosion stop valve according to claim 1, characterized in that: the round plug is characterized by further comprising an anti-corrosion coating (10), wherein the anti-corrosion coating (10) is coated on the surface of the round plug (26).