High platform flange ball valve convenient to connect

Abstract

The high platform flange ball valve convenient to connect comprises a ball valve body, a mounting flange plate is fixed to the side wall of the ball valve body, and the mounting flange plate is connected to a connecting flange plate of a pipeline through a connecting structure; the connecting structure comprises a movable block and an abutting block which are movably connected to the flange holes respectively, the movable block is deformable and penetrates through the corresponding flange hole of the connecting flange plate, the movable block abuts against the back side of the connecting flange plate, and the abutting block abuts against and is positioned on the movable block. When the two opposite flange plates are mutually fixed, the movable blocks deform, enter the connecting flange plates and then reset to abut against the back sides of the connecting flange plates, preliminary connection is achieved, then the movable blocks are located in an abutting mode through the abutting blocks, the purpose of convenient and fast fixing is achieved, and operation convenience during flange ball valve connection is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of ball valves, in particular to a high-platform flange ball valve convenient to connect. BACKGROUND

[0002] The ball valve and the gate valve belong to the same type of valve, and the difference lies in that the closing part is a ball body, the ball body rotates around the heart line of the valve body to achieve opening and closing, and the ball valve is mainly used for cutting off, distributing and changing the flow direction of the medium in the pipeline.

[0003] The existing high-platform flange ball valve disclosed in Chinese Patent No. CN207486104U comprises a valve body and a valve cover, a valve body sealing gasket is designed between the valve body and the valve cover, a valve seat is arranged on one side of the valve body and the valve cover, a ball body is arranged in the inner cavity of the valve body, a valve rod is connected and arranged above the ball body, a thrust washer is arranged between the valve rod and the valve body, and the valve rod and the valve body are sealed through an O-shaped ring.

[0004] According to the related technology in the above, the applicant believes that the current flange ball valve needs to be fixed on the flange holes on the opposite flange plates in sequence by using bolts when being connected, and the operation is relatively cumbersome, and therefore, there is still room for improvement. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the convenience of operation when the flange ball valve is connected, the application provides a high-platform flange ball valve convenient to connect.

[0006] The high-platform flange ball valve convenient to connect provided by the application adopts the following technical scheme:

[0007] The high-platform flange ball valve convenient to connect comprises a ball valve body, a mounting flange plate is fixed on the side wall of the ball valve body, and the mounting flange plate is connected to the connecting flange plate of the pipeline through a connecting structure; the connecting structure comprises a movable block and an abutting block movably connected to the flange hole, respectively, the movable block can be deformed and passes through the corresponding flange hole of the connecting flange plate, and the movable block abuts against the back side of the connecting flange plate, and the abutting block is positioned on the movable block.

[0008] By adopting the above technical scheme, when the two opposite flange plates are fixed, the movable block deforms and enters the connecting flange plate and then resets and abuts against the back side of the connecting flange plate, the preliminary connection is realized, and then the abutting block is positioned and abutted, so that the purpose of stable fixation is achieved.

[0009] Preferably, the connecting structure further comprises a plug rod, the plug rod is fixed at the flange hole of the mounting flange plate and extends towards the outside of the ball valve body, and the movable block is movably connected in the plug rod; the abutting block is movably connected to the end portion of the plug rod, and the movable block is provided with a plug slot for inserting the abutting block.

[0010] By adopting the technical scheme, the plug rod supports the movable block and the abutting block, the movable block can be accommodated in the plug rod to be arranged in the flange hole of the connecting flange plate, the abutting block is positioned to the movable block after the movable block is arranged outside the plug rod, and stable connection of the connecting flange plate and the mounting flange plate is realized.

[0011] Preferably, the plug rod is provided with mounting grooves, the movable blocks are accommodated in the mounting grooves and are arranged oppositely, and the connecting springs are connected between the opposite movable blocks.

[0012] By adopting the technical scheme, the mounting grooves are used for accommodating the movable blocks, and the connecting springs are used for elastically connecting the opposite movable blocks, so that the movable blocks can be arranged outside the plug rod to abut against the back side of the connecting flange plate.

[0013] Preferably, the end of the plug rod is provided with a sliding groove, the abutting block is fixed with a sliding rod inserted into the sliding groove, the sliding rod is connected to the sliding groove through the compression spring, and the two side walls of the abutting block are provided with extension rods extending towards the movable blocks, and the extension rods can be inserted into the corresponding insertion grooves.

[0014] By adopting the technical scheme, the compression spring realizes elastic sliding and automatic reset of the sliding rod in the sliding groove, and the extension rods realize cooperative positioning with the movable blocks.

[0015] Preferably, the opposite extension rods can abut against the outer side walls of the corresponding movable blocks, and the distance between the opposite extension rods is not greater than the diameter of the flange hole.

[0016] By adopting the technical scheme, the extension rods and the movable blocks can pass through the flange hole of the connecting flange plate to achieve the fixing purpose.

[0017] Preferably, the end of the extension rod close to the movable block is provided with a baffle extending and fixed to the outer side wall, the baffle abuts against the side wall of the movable block, the distance between the opposite baffles is not greater than the diameter of the flange hole, and the baffle is inserted into the insertion groove.

[0018] By adopting the technical scheme, the extended baffle abuts against the movable block, the opposite movable blocks can be stably accommodated in the plug rod, and the plug rod is prevented from being hindered when being arranged in the flange hole; the baffle is inserted into the insertion groove to further position the movable block, and the connecting flange plate and the mounting flange plate are fixed to each other.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] When the opposite two flange plates are fixed to each other, the movable blocks are deformed and enter the connecting flange plate, and then are reset to abut against the back side of the connecting flange plate, the preliminary connection is realized, the abutting blocks are positioned by abutting, and the stable fixing purpose is achieved.

[0021] The plug rod supports the movable block and the abutting block. The movable block can be accommodated in the plug rod to be arranged in the flange hole of the connecting flange plate. The connecting spring is elastically connected relative to the movable block, so that the movable block can be arranged outside the plug rod to abut against the back side of the connecting flange plate. The abutting block is initially located on both sides of the movable block to limit the movement of the movable block. After the movable block is arranged outside the plug rod, the abutting block can abut against the movable block to position the movable block, thereby realizing the stable connection of the connecting flange plate and the mounting flange plate.

[0022] The accommodation space of the movable block is increased by the setting of the baffle, thereby prolonging the length of the movable block to improve the stability when the movable block abuts against the back side of the connecting flange plate. The movable block is further positioned by the insertion of the baffle into the slot, thereby realizing the mutual fixation of the connecting flange plate and the mounting flange plate. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a partial cross-sectional structural schematic diagram of an embodiment of the present application;

[0024] Figure 2 is a partial enlarged schematic diagram of part A in Figure 1

[0025] BRIEF DESCRIPTION OF DRAWINGS1, ball valve body; 11, mounting flange plate; 2, connecting structure; 21, plug rod; 211, sliding slot; 22, movable block; 221, connecting spring; 222, slot; 23, abutting block; 231, sliding rod; 3, connecting flange plate; 4, compression spring; 5, extension rod; 6, baffle. DETAILED DESCRIPTION

[0026] The present application will be further described in detail below with reference to the accompanying drawings.

[0027] The embodiment of the present application discloses a high-platform flange ball valve with convenient connection, referring to Figure 1 , comprising a ball valve body 1, a mounting flange plate 11 is fixed on the side wall of the ball valve body 1, the mounting flange plate 11 is connected to the connecting flange plate 3 of the pipeline through the connecting structure 2, and the installation of the ball valve body 1 on the pipeline is completed.

[0028] Referring to Figure 1 , 2 , the connecting structure 2 comprises a plug rod 21 and a movable block 22. The plug rod 21 is fixed at the flange hole of the mounting flange plate 11 and extends outwardly from the ball valve body 1. An installation slot is formed in the plug rod 21. The movable blocks 22 are accommodated in the installation slot and are oppositely arranged. The connecting springs 221 are connected between the opposite movable blocks 22. The movable blocks 22 can be arranged outside the installation slot and located outside the plug rod 21.

[0029] Referring to Figure 1 , 2The connecting structure 2 further comprises an abutting block 23 movably connected to the end of the insertion rod 21, the end of the insertion rod 21 is provided with a sliding groove 211 penetratingly formed inwardly, the abutting block 23 is fixed with a sliding rod 231 inserted into the sliding groove 211, the sliding rod 231 is connected to the sliding groove 211 through the compression spring 4, so as to realize the elastic sliding of the sliding rod 231 in the sliding groove 211, and when the abutting block 23 moves away from the sliding groove 211, the compression spring 4 is stretched, at this time, the abutting block 23 has a tendency to automatically reset under the restoring force of the compression spring 4.

[0030] With reference to Figure 1 , 2 The two side walls of the abutting block 23 are formed with an extension rod 5 extending towards the movable block 22, the end of the extension rod 5 close to the movable block 22 is fixed with a baffle 6 extending outwardly, and the baffle 6 abuts against the side wall of the movable block 22; the distance between the opposite baffles 6 is not greater than the diameter of the flange hole, so that the extension rod 5 and the movable block 22 can pass through the flange hole of the connecting flange plate 3 to achieve the fixing purpose; the extended baffle 6 is arranged to abut against the movable block 22, so that the opposite movable blocks 22 can be stably accommodated in the insertion rod 21, and the insertion rod 21 is prevented from being hindered when passing through the flange hole.

[0031] With reference to Figure 1 , 2 The movable block 22 is provided with an insertion groove 222 for inserting the baffle 6, when the movable block 22 is deformed and enters the connecting flange plate 3 and then resets against the back side of the connecting flange plate 3, the baffle 6 is inserted into the insertion groove 222, so as to further position the movable block 22 and realize the mutual fixation of the connecting flange plate 3 and the mounting flange plate 11.

[0032] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A high raised face flanged ball valve with easy connection comprising a ball valve body (1) characterized in that: The side wall of the ball valve body (1) is fixed with a mounting flange plate (11), which is connected to the connecting flange plate (3) of the pipeline through the connecting structure (2); the connecting structure (2) comprises movable blocks (22) and abutting blocks (23) movably connected to the flange holes, respectively; the movable blocks (22) are deformable and are arranged in the corresponding flange holes of the connecting flange plate (3), and abut against the back side of the connecting flange plate (3); the abutting blocks (23) are arranged on the movable blocks (22).

2. The high raised face flanged ball valve with easy connection according to claim 1, characterized in that: The connecting structure (2) further comprises an insertion rod (21) fixed to the flange hole of the mounting flange plate (11) and extending outward from the ball valve body (1), and the movable blocks (22) are movably connected to the insertion rod (21); the abutting blocks (23) are movably connected to the end of the insertion rod (21), and the movable blocks (22) are provided with insertion grooves (222) for the abutting blocks (23).

3. The high raised face flanged ball valve with convenient connection according to claim 2, characterized in that: The insertion rod (21) is provided with a mounting groove, and the movable blocks (22) are arranged in the mounting groove in opposite positions and are connected by connecting springs (221); the movable blocks (22) can be arranged outside the mounting groove and located outside the insertion rod (21).

4. The conveniently connected high raised face flanged ball valve according to claim 2, characterized in that: The end of the insertion rod (21) is provided with a sliding groove (211) extending inward, the abutting blocks (23) are fixed with sliding rods (231) inserted into the sliding groove (211), the sliding rods (231) are connected to the sliding groove (211) by compression springs (4), and the two side walls of the abutting blocks (23) are formed with extension rods (5) extending towards the movable blocks (22); the extension rods (5) can be inserted into the corresponding insertion grooves (222).

5. The high raised face flanged ball valve with convenient connection according to claim 4, characterized in that: The opposite extension rods (5) can abut against the outer side walls of the corresponding movable blocks (22), and the distance between the opposite extension rods (5) is not greater than the diameter of the flange hole.

6. The high raised face flanged ball valve with convenient connection according to claim 5, characterized in that: The end of the extension rod (5) close to the movable block (22) is provided with a baffle (6) extending and fixed to the outer side wall, the baffle (6) abuts against the side wall of the movable block (22), and the distance between the opposite baffles (6) is not greater than the diameter of the flange hole; the baffle (6) is inserted into the insertion groove (222).

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