Corrosion-resistant quick-assembly stop valve

Abstract

The utility model belongs to the field of valve body equipment, and relates to a corrosion-resistant quick-assembly stop valve. When a worker needs to connect a valve body with a flange pipe, the worker applies pressure to a power assembly, the power assembly drives an arc-shaped block in a movable groove to move, the arc-shaped block drives a spring to be in a compressed state, meanwhile, the arc-shaped block drives a limiting block to retract, and then the worker moves the flange pipe; a limiting block enters the flange pipe, a worker relieves driving on a power assembly and meanwhile relieves driving on a spring, the spring drives the limiting block to move through an arc-shaped block and drives the limiting block to stretch out in the flange pipe, clamping of the limiting block and the flange pipe is completed, and alignment of a valve body and a threaded hole of the flange pipe is completed; and then, a worker can connect the valve body with the flange pipe, quick alignment of the threaded holes of the valve body and the flange pipe is achieved through the structure, and the worker can connect the valve body with the flange pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body equipment field, concretely is a kind of corrosion-resistant quick-mounting type cut-off valve. BACKGROUND

[0002] Cut-off valve is used to completely open or close the medium flow in flange pipe, widely used in petroleum, chemical industry, natural gas, water supply, heating and other industries, plays an important role in guaranteeing system safety, preventing leakage and realizing automation control, the existing cut-off valve is usually made of metal, has good corrosion resistance, can resist the corrosion of acid, alkali, salt and other corrosive substances for a long time, but if the corrosion resistance is not set fluorine lining layer, the corrosion resistance will be greatly reduced, but the fluorine lining process is complex, resulting in low production efficiency.

[0003] The existing cut-off valve, also simply referred to as valve body, a plurality of circular grooves matched with the threaded holes of the flange pipe are formed on one side of the valve body, when the staff needs to connect the valve body with the flange pipe, the staff aligns the circular groove of the valve body with the threaded hole of the flange pipe, and the staff completes the connection between the valve body and the flange pipe through screws and nuts, but in the existing connection between the valve body and the flange pipe, the staff needs to manually support the valve body to ensure that the circular groove of the valve body is aligned with the threaded hole of the flange pipe, but the staff manually supports and aligns, which makes it difficult for the staff to quickly align the circular groove of the valve body with the threaded hole of the flange pipe, which to some extent increases the installation difficulty of the staff and to some extent reduces the installation efficiency of the staff. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a corrosion-resistant quick-mounting type cut-off valve, which solves the problem that the staff manually supports and aligns, making it difficult for the staff to quickly align the circular groove of the valve body with the threaded hole of the flange pipe, which to some extent increases the installation difficulty of the staff and to some extent reduces the installation efficiency of the staff.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a corrosion-resistant quick-mounting type cut-off valve, one side of the cut-off valve is provided with a flange pipe, and the features include a valve body coated with a silicon powder coating on the inner surface and the outer surface, the valve body is arranged on one side of the flange pipe, a positioning mechanism is arranged inside the valve body, the positioning mechanism is in sliding connection with the valve body, one side of the positioning mechanism extends out of the valve body and extends into the flange pipe, and the positioning mechanism is in sliding connection with the flange pipe.

[0006] The positioning mechanism comprises a power assembly arranged in the valve body, the power assembly is in sliding connection with the valve body, one side of the power assembly extends out of the valve body, two movable grooves are formed in the valve body, two arc-shaped blocks are arranged in the two movable grooves respectively, the two arc-shaped blocks are in sliding connection with the two movable grooves respectively, one side of the power assembly extends into the two movable grooves, one side of the power assembly is in sliding connection with one side of the two arc-shaped blocks respectively, two limiting blocks are fixedly arranged on the sides of the two arc-shaped blocks away from the power assembly, the two limiting blocks extend out of the movable grooves and into the flange pipe, and the two limiting blocks are in sliding connection with the flange pipe and the two movable grooves respectively.

[0007] As a preferred technical scheme of the utility model, the power assembly comprises an annular block, the annular block is arranged in the valve body, the outer surface of the annular block is in sliding connection with the inner surface of the valve body, one side of the annular block extends into the two movable grooves respectively, one side of the annular block is in sliding connection with one side of the two arc-shaped blocks respectively, and one side of the two limiting blocks is fixedly connected with one side of the two arc-shaped blocks away from the annular block.

[0008] As a preferred technical scheme of the utility model, the annular block is provided with a driving member away from the two arc-shaped blocks, and the driving member extends out of the valve body from the side of the annular block away from the annular block.

[0009] As a preferred technical scheme of the utility model, the driving member comprises a power block, the power block is arranged in the valve body, the outer surface of the power block is in sliding connection with the inner surface of the valve body, one side of the power block is fixedly connected with one side of the annular block away from the two arc-shaped blocks, and the side of the power block away from the annular block extends out of the valve body.

[0010] As a preferred technical scheme of the utility model, one side of the valve body is provided with a plurality of circular holes aligned with the threaded holes of the flange pipe, and a plurality of threaded members for connecting the flange pipe are arranged in the annular block.

[0011] As a preferred technical scheme of the utility model, the threaded member comprises a screw, one side of the screw extends out of the circular hole and the threaded groove respectively, a nut is arranged on the side of the flange pipe away from the valve body, the nut is sleeved on the outer surface of the screw, and the outer surface of the screw is in threaded connection with the inner surface of the nut.

[0012] Compared with the prior art, the utility model provides a kind of corrosion-resistant quick-mounting type cut-off valve, with the following beneficial effects: by coating silicon powder coating on the inner and outer surfaces of the valve body, the acid and alkali resistance of the valve body is improved, the corrosion resistance of the valve body is improved, and the production efficiency is improved.

[0013] When the worker needs to connect the valve body with the flange pipe, the worker exerts pressure on the power assembly, so that the power assembly drives the arc-shaped block inside the movable groove to move, so that the arc-shaped block drives the spring to be in a compressed state, and at the same time, the arc-shaped block drives the limiting block to retract, then the worker moves the flange pipe, so that the limiting block enters the inside of the flange pipe, the worker releases the driving of the power assembly, and at the same time, the driving of the spring is released, the spring drives the limiting block to move through the arc-shaped block, so that the limiting block extends inside the flange pipe, so that the limiting block is clamped with the flange pipe, the alignment of the threaded holes of the valve body and the flange pipe is completed, then the worker can connect the valve body with the flange pipe, the quick alignment of the threaded holes of the valve body and the flange pipe is realized through the structure, so that the worker can connect the valve body with the flange pipe, without manually supporting the valve body and the flange pipe to slowly align the threaded holes, which reduces the installation difficulty of the worker to a certain extent, and improves the installation efficiency of the worker to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A whole structure schematic view of the corrosion-resistant quick-mounting type shut-off valve is provided.

[0015] Figure 2 A Figure 1 A cross-sectional structure schematic view is shown.

[0016] Figure 3 A Figure 2 A structure schematic view of the positioning mechanism is shown.

[0017] Figure 4 A Figure 3 A cross-sectional front view is shown.

[0018] Figure 5 A Figure 1 A valve body local structure schematic view is shown.

[0019] In the figure: 1, flange pipe; 2, valve body; 3, movable groove; 4, arc-shaped block; 5, limiting block; 6, spring; 7, annular block; 8, power block; 9, circular groove; 10, screw; 11, nut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-5In the embodiment, the corrosion-resistant quick-mounting cut-off valve is characterized by the valve body 2 coated with a silicon powder coating on the inner and outer surfaces, the valve body 2 arranged on one side of the flange pipe 1, the positioning mechanism arranged inside the valve body 2 and in sliding connection with the valve body 2, the positioning mechanism extending out of the valve body 2 on one side and into the flange pipe 1 on the other side, the positioning mechanism including the power assembly arranged inside the valve body 2 and in sliding connection with the valve body 2, the power assembly extending out of the valve body 2 on one side, the two active grooves 3 formed in the valve body 2, the two arc-shaped blocks 4 arranged inside the two active grooves 3 and in sliding connection with the two active grooves 3, the power assembly extending into the two active grooves 3 on one side, the power assembly in sliding connection with the two arc-shaped blocks 4 on one side, the two limit blocks 5 fixed to the two arc-shaped blocks 4 on the sides away from the power assembly, the two limit blocks 5 extending out of the active grooves 3 and into the flange pipe 1, the two limit blocks 5 in sliding connection with the flange pipe 1 and the two active grooves 3, the two arc-shaped blocks 4 having the two springs 6 fixed to one end, the two springs 6 fixed to the two active grooves 3 on the sides away from the two arc-shaped blocks 4, the power assembly including the annular block 7 arranged inside the valve body 2 and in sliding connection with the valve body 2 on the outer surface, the annular block 7 extending into the two active grooves 3 on one side and in sliding connection with the two arc-shaped blocks 4 on one side, the two limit blocks 5 fixed to the two arc-shaped blocks 4 on the sides away from the annular block 7, the annular block 7 having the drive member fixed to the two sides, the drive member extending out of the valve body 2 on the side away from the annular block 7, the drive member in sliding connection with the valve body 2 on the outer surface, the drive member including the power block 8 arranged inside the valve body 2 and in sliding connection with the valve body 2 on the outer surface, the power block 8 fixed to the annular block 7 on the side away from the two arc-shaped blocks 7, the power block 8 extending out of the valve body 2 on the side away from the annular block 7.

[0022] The valve body 2 has a plurality of circular holes aligned with the threaded holes of the flange pipe 1 on one side, the circular block has a plurality of threaded members for connecting with the flange pipe 1, the threaded members including the screw 10 extending out of the circular hole and the threaded groove on one side, the flange pipe 1 having the nut 11 arranged on the side away from the valve body 2, the nut 11 sleeved on the outer surface of the screw 10 and in threaded connection with the inner surface of the nut 11.

[0023] The active groove 3 limits the movement track of the arc-shaped block 4 to prevent the arc-shaped block 4 from deviating in angle during movement, and the arc-shaped block 4 limits the limit block 5 to prevent the limit block 5 from separating from the active groove 3.

[0024] When the worker removes the screw 10 and the nut 11, the power block 8 applies pressure, so that the power block 8 drives the arc-shaped block 4 inside the movable groove 3 to move through the annular block 7, the arc-shaped block 4 drives the spring 6 to be in a compressed state, and the arc-shaped block 4 drives the limiting block 5 to move, so that the limiting block 5 retracts in the flange pipe 1, the clamping state between the limiting block 5 and the flange pipe 1 is released, the alignment and positioning of the circular groove 9 and the threaded groove between the flange pipe 1 and the valve body 2 are released, and the worker can remove the valve body 2, thereby completing the disassembly of the valve body 2 and the flange pipe 1.

[0025] The working principle and use process of the utility model are as follows: when the worker needs to connect the valve body 2 and the flange pipe 1, the worker applies pressure to the power block 8, so that the power block 8 drives the arc-shaped block 4 inside the movable groove 3 to move through the annular block 7, the arc-shaped block 4 drives the spring 6 to be in a compressed state, and the arc-shaped block 4 drives the limiting block 5 to retract, then the worker moves the flange pipe 1, the limiting block 5 enters the flange pipe 1, the worker releases the driving of the power block 8 and the spring 6, the spring 6 drives the limiting block 5 to move through the arc-shaped block 4, the limiting block 5 extends in the flange pipe 1, the limiting block 5 is clamped with the flange pipe 1, the circular groove 9 of the valve body 2 is aligned with the threaded hole of the flange pipe 1, then the worker can pass the screw 10 through the circular groove 9 of the valve body 2 and the threaded groove of the flange pipe 1 in sequence, and uses a tool to tighten the nut 11, thereby completing the connection between the valve body 2 and the flange pipe 1.

[0026] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A corrosion resistant quick-mounting shut-off valve, which is provided with a flanged pipe (1) on one side, characterized in that: The valve body (2) is provided with a positioning mechanism, and the positioning mechanism and the valve body (2) are in sliding connection, one side of the positioning mechanism extends out of the valve body (2), and the positioning mechanism extends to the inside of the flange pipe (1) on one side, The positioning mechanism comprises a power assembly, the power assembly is arranged in the valve body (2), the power assembly and the valve body (2) are in sliding connection, one side of the power assembly extends out of the valve body (2), two movable grooves (3) are formed in the valve body (2), and arc-shaped blocks (4) are arranged in the two movable grooves (3), respectively, the two arc-shaped blocks (4) and the two movable grooves (3) are in sliding connection, respectively, one side of the power assembly extends into the two movable grooves (3), one side of the power assembly is in sliding connection with one side of the two arc-shaped blocks (4), respectively, limit blocks (5) are fixedly arranged on the sides, away from the power assembly, of the two arc-shaped blocks (4), respectively, the two limit blocks (5) extend out of the movable grooves (3) and extend into the flange pipe (1), and the two limit blocks (5) are in sliding connection with the flange pipe (1) and the two movable grooves (3), respectively, one end of each of the two arc-shaped blocks (4) is fixedly connected with a spring (6), and the two springs (6) are fixedly connected with the side walls of the two movable grooves (3) away from the two arc-shaped blocks (4), respectively.

2. The corrosion resistant quick-connect shut-off valve of claim 1, wherein: The power assembly comprises an annular block (7), the annular block (7) is arranged in the valve body (2), the outer surface of the annular block (7) and the inner surface of the valve body (2) are in sliding connection, one side of the annular block (7) extends into the two movable grooves (3), respectively, one side of the annular block (7) is in sliding connection with one side of the two arc-shaped blocks (4), respectively, and one side of each of the two limit blocks (5) is fixedly connected with one side of the two arc-shaped blocks (4) away from the annular block (7).

3. A corrosion resistant quick-connect shut-off valve as defined in claim 2, wherein: The annular block (7) is provided with driving members away from the two fixed positions, the driving members extend out of the valve body (2) away from one side of the annular block (7), and the outer surfaces of the driving members and the inner surface of the valve body (2) are in sliding connection.

4. The corrosion resistant quick-connect shut-off valve of claim 3, wherein: The driving members comprise power blocks (8), the power blocks (8) are arranged in the valve body (2), the outer surfaces of the power blocks (8) and the inner surface of the valve body (2) are in sliding connection, one side of the power block (8) is fixedly connected with one side of the annular block (7) away from the two arc-shaped blocks, and one side of the power block (8) extends out of the valve body (2) away from the annular block (7).

5. A corrosion resistant quick-connect shut-off valve as defined in claim 4, wherein: One side of the valve body (2) is provided with a plurality of circular holes aligned with threaded holes of the flange pipe (1), and a plurality of threaded members for connecting the flange pipe (1) are arranged in the circular holes.

6. A corrosion resistant quick-connect shut-off valve as defined in claim 5, wherein: The threaded members comprise screws (10), one side of the screw (10) extends out of the circular hole and the threaded groove, respectively, a nut (11) is arranged on the side, away from the valve body (2), of the flange pipe (1), the nut (11) is sleeved on the outer surface of the screw (10), and the outer surface of the screw (10) and the inner surface of the nut (11) are in threaded connection.

Images