Novel ball check valve easy to maintain

Abstract

The invention relates to the technical field of spherical check valves, in particular to an easy-to-maintain novel spherical check valve which comprises a check valve body, a flange A and a flange B. A connecting assembly A is arranged on one side of the flange A, and a connecting assembly B is arranged on one side of the flange B; the connecting assembly A comprises a runner pipe A, a connecting flange A, a handle connecting rod A and a valve plate A, and the connecting assembly B comprises a runner pipe B, a connecting flange B, a handle connecting rod B and a valve plate B; the check valve can be conveniently connected or disassembled with a pipeline flange and a flange A of the check valve body through the connecting flange A of the connecting assembly A, and can be conveniently connected or disassembled with the pipeline flange and a flange B of the check valve body through the connecting flange B of the connecting assembly B, so that workers can conveniently disassemble, assemble and maintain the check valve body in the later period, and the check valve is convenient to operate.

Description

Technical Field

[0001] The invention relates to the technical field of ball check valves, and in particular to a new type of easy-to-maintain ball check valve. Background Art

[0002] The ball check valve is also called a reverse flow valve, a non-return valve, a back pressure valve, or a one-way valve. This type of valve automatically opens and closes due to the force generated by the flow of the medium in the pipeline. It is an automatic valve. At present, the dirt and rust on its passage and sealing surface must be inspected and cleaned every three months, and anti-rust oil must be reapplied if necessary.

[0003] Existing check valves are connected to pipelines through flanges, which makes it inconvenient for personnel to perform relevant regular maintenance work on them. Therefore, a new type of easy-to-maintain ball check valve is proposed to facilitate the disassembly of the valve body for relevant maintenance work when maintenance is required, and the operation is convenient. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a new type of easy-to-maintain ball check valve, which facilitates the disassembly of the valve body for related maintenance work when maintenance is required, and the operation is convenient.

[0005] The technical solution adopted by the present invention to solve the technical problem is a new type of easy-to-maintain ball check valve, including a check valve body, a flange A and a flange B, wherein a connecting component A is provided on one side of the flange A, and a connecting component B is provided on one side of the flange B;

[0006] The connection component A includes a flow pipe A, a connection flange A, a handle connecting rod A and a valve plate A, and the connection component B includes a flow pipe B, a connection flange B, a handle connecting rod B and a valve plate B.

[0007] By adopting the above technical solution, the connection flange A of the connection component A is used to facilitate connection or disassembly with the pipeline flange and the flange A of the check valve body, and the connection flange B of the connection component B is used to facilitate connection or disassembly with the pipeline flange and the flange B of the check valve body, so that personnel can disassemble and maintain the check valve body at a later stage, and the operation is convenient;

[0008] At the same time, when the gate is not closed, the handle connecting rod A can be used to drive the valve plate A to rotate to close the convection pipe A, and the handle connecting rod B can be used to drive the valve plate B to rotate to close the convection pipe B to stop the water, so as to facilitate the disassembly and assembly of the check valve body, and the seal A and seal B can be used to ensure the sealing of the corresponding pipeline when closed.

[0009] Specifically, flange A and flange B are respectively provided at both ends of the check valve body.

[0010] By adopting the above technical solution, the connecting flange A of the connecting assembly A is used to facilitate connection or disassembly with the pipeline flange and the flange A of the check valve body.

[0011] Specifically, the connection component A is connected to flange A via connection flange A, and the connection component B is connected to flange B via connection flange B.

[0012] By adopting the above technical solution, the connecting flange B of the connecting assembly B is used to facilitate connection or disassembly with the pipeline flange and the flange B of the check valve body, so that personnel can disassemble and maintain the check valve body at a later time, and the operation is convenient.

[0013] Specifically, connecting flanges A are provided at both ends of the circulation tube A, and a handle connecting rod A is penetrated and connected to the top surface of the circulation tube A through a reserved hole and a threaded ring.

[0014] By adopting the above technical solution, the circulation pipe A and the circulation pipe B are utilized to facilitate the circulation of water.

[0015] Specifically, connecting flanges B are provided at both ends of the circulation pipe B, and a handle connecting rod B is penetrated and connected to the top surface of the circulation pipe B through a reserved hole and a threaded ring.

[0016] By adopting the above technical solution, the handle connecting rod B is used to drive the valve plate B to rotate the convection pipe B to close the water stop, so as to facilitate the disassembly and assembly of the check valve body.

[0017] Specifically, the bottom end of the handle connecting rod A is located in the flow tube A and a valve plate A is provided therein, and the bottom end of the handle connecting rod B is located in the flow tube B and a valve plate B is provided therein.

[0018] By adopting the above technical solution, the handle connecting rod A is used to drive the valve plate A to rotate and close the convection pipe A.

[0019] Specifically, the outer surfaces of the valve plate A and the valve plate B are respectively adhered with a seal A and a seal B through reserved grooves, and the seal A and the seal B are both made of rubber material.

[0020] By adopting the above technical solution, the sealing member A and the sealing member B are both made of rubber materials to ensure the sealing performance when the flow tube A and the flow tube B are closed.

[0021] Beneficial effects of the present invention:

[0022] (1) The new type of easy-to-maintain ball check valve described in the present invention is convenient for connection or disassembly with the pipeline flange and the flange A of the check valve body through the connecting flange A of the connecting component A, and is convenient for connection or disassembly with the pipeline flange and the flange B of the check valve body through the connecting flange B of the connecting component B, so that personnel can easily perform disassembly and maintenance work on the check valve body at a later time, and the operation is convenient.

[0023] (2) The new type of easy-to-maintain ball check valve described in the present invention can, when the valve is not closed, drive the valve plate A to rotate to close the convection pipe A through the handle connecting rod A, and drive the valve plate B to rotate to close the convection pipe B through the handle connecting rod B to stop water, so as to facilitate the disassembly and assembly of the check valve body, and ensure the sealing of the corresponding pipeline when closed through the seal A and the seal B. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 It is an overall schematic diagram of the present invention;

[0026] Figure 2 It is a schematic diagram of the valve plate A and the sealing member A of the present invention;

[0027] Figure 3 It is a schematic diagram of the valve plate B and the sealing member B of the present invention;

[0028] In the figure: 1. check valve body; 2. flange A; 3. flange B; 4. connecting component A; 401. flow pipe A; 402. connecting flange A; 403. handle connecting rod A; 404. valve plate A; 5. connecting component B; 501. flow pipe B; 502. connecting flange B; 503. handle connecting rod B; 504. valve plate B; 6. seal A; 7. seal B. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] In order to improve the convenience of later maintenance, Figure 1-3 As shown, the easy-to-maintain new ball check valve of the present invention comprises a check valve body 1, a flange A2 and a flange B3, a connecting component A4 is provided on one side of the flange A2, and a connecting component B5 is provided on one side of the flange B3;

[0031] The connection component A4 includes a circulation tube A401, a connection flange A402, a handle connecting rod A403 and a valve plate A404, and the connection component B5 includes a circulation tube B501, a connection flange B502, a handle connecting rod B503 and a valve plate B504.

[0032] When in use, the connection flange A402 of the connection component A4 is used to connect or disassemble with the pipeline flange and the flange A2 of the check valve body 1, and the connection flange B502 of the connection component B5 is used to connect or disassemble with the pipeline flange and the flange B3 of the check valve body 1, so that personnel can disassemble and maintain the check valve body 1 at a later time, and the operation is convenient;

[0033] At the same time, when the gate is not closed, the handle connecting rod A403 can be used to drive the valve plate A404 to rotate and close the convection pipe A401, and the handle connecting rod B503 can be used to drive the valve plate B504 to rotate and close the convection pipe B501 to stop water, so as to facilitate the disassembly and assembly of the check valve body 1, and the sealing A6 and the sealing B7 can be used to ensure the sealing of the corresponding pipeline when closed.

[0034] In order to improve the convenience of later maintenance, for example, Figure 1 As shown, the present invention also includes that flanges A2 and flanges B3 are respectively provided at both ends of the check valve body 1.

[0035] When in use, the connecting flange A402 of the connecting assembly A4 is used to facilitate connection or disassembly with the pipeline flange and the flange A2 of the check valve body 1.

[0036] For example, Figure 1 As shown, the present invention also includes that the connecting component A4 is connected to the flange A2 via a connecting flange A402, and the connecting component B5 is connected to the flange B3 via a connecting flange B502.

[0037] When in use, the connecting flange B502 of the connecting component B5 is used to connect or disassemble with the pipeline flange and the flange B3 of the check valve body 1, so that personnel can disassemble and maintain the check valve body 1 at a later time, and the operation is convenient.

[0038] For example, Figure 1 , Figure 2 As shown, the present invention also includes that connecting flanges A402 are provided at both ends of the circulation tube A401, and a handle connecting rod A403 is penetrated and connected to the top surface of the circulation tube A401 through a reserved hole and a threaded ring.

[0039] When in use, water is circulated through circulation pipe A401 and circulation pipe B501.

[0040] For example, Figure 1 , Figure 3 As shown, the present invention also includes that connecting flanges B502 are provided at both ends of the circulation pipe B501, and a handle connecting rod B503 is penetrated and connected to the top surface of the circulation pipe B501 through a reserved hole and a threaded ring.

[0041] When in use, the handle connecting rod B503 drives the valve plate B504 to rotate the convection pipe B501 to close the water, so as to facilitate the disassembly and assembly of the check valve body 1.

[0042] For example, Figure 1 , Figure 2 , Figure 3 As shown, the present invention also includes that the bottom end of the handle connecting rod A403 is located in the flow tube A401 and a valve plate A404 is provided, and the bottom end of the handle connecting rod B503 is located in the flow tube B501 and a valve plate B504 is provided.

[0043] When in use, the valve plate A404 is driven by the handle connecting rod A403 to rotate and close the convection pipe A401.

[0044] For example, Figure 1 , Figure 2 , Figure 3 As shown, the present invention also includes that the outer surfaces of the valve plate A404 and the valve plate B504 are respectively adhered with a seal A6 and a seal B7 through reserved grooves, and the seal A6 and the seal B7 are both made of rubber material.

[0045] When in use, the seal A6 and the seal B7 are both made of rubber material to ensure the sealing of the circulation tube A401 and the circulation tube B501 when they are closed.

[0046] When the present invention is in use, the connection flange A402 of the connection component A4 is used to facilitate connection or disassembly with the pipeline flange and the flange A2 of the check valve body 1, and the connection flange B502 of the connection component B5 is used to facilitate connection or disassembly with the pipeline flange and the flange B3 of the check valve body 1, so that personnel can perform disassembly, assembly and maintenance work on the check valve body 1 later, and the operation is convenient;

[0047] At the same time, when the gate is not closed, the handle connecting rod A403 can be used to drive the valve plate A404 to rotate and close the convection pipe A401, and the handle connecting rod B503 can be used to drive the valve plate B504 to rotate and close the convection pipe B501 to stop water, so as to facilitate the disassembly and assembly of the check valve body 1, and the sealing A6 and the sealing B7 can be used to ensure the sealing of the corresponding pipeline when closed.

[0048] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. New type of easy-to-maintain ball check valve, characterized by: The invention comprises a check valve body (1), a flange A (2) and a flange B (3), wherein a connecting component A (4) is provided on one side of the flange A (2), and a connecting component B (5) is provided on one side of the flange B (3); The connection component A (4) includes a circulation pipe A (401), a connection flange A (402), a handle connecting rod A (403) and a valve plate A (404), and the connection component B (5) includes a circulation pipe B (501), a connection flange B (502), a handle connecting rod B (503) and a valve plate B (504).

2. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: The two ends of the check valve body (1) are respectively provided with a flange A (2) and a flange B (3).

3. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: The connection assembly A (4) is connected to the flange A (2) via the connection flange A (402), and the connection assembly B (5) is connected to the flange B (3) via the connection flange B (502).

4. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: Both ends of the circulation tube A (401) are provided with connection flanges A (402), and the top surface of the circulation tube A (401) is connected with a handle connecting rod A (403) through a reserved hole and a threaded ring.

5. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: Both ends of the circulation pipe B (501) are provided with connecting flanges B (502), and the top surface of the circulation pipe B (501) is connected with a handle connecting rod B (503) through a reserved hole and a threaded ring.

6. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: The bottom end of the handle connecting rod A (403) is located in the circulation tube A (401) and is provided with a valve plate A (404), and the bottom end of the handle connecting rod B (503) is located in the circulation tube B (501) and is provided with a valve plate B (504).

7. The easy-to-maintain new ball check valve according to claim 1 is characterized in that: The outer surfaces of the valve plate A (404) and the valve plate B (504) are respectively bonded with a seal A (6) and a seal B (7) through reserved grooves, and the seal A (6) and the seal B (7) are both made of rubber material.

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