Air pressure self-adaptive balance valve core and balance valve thereof

Abstract

The utility model relates to the technical field of balance valves, in particular to an air pressure self-adaptive balance valve core and a balance valve thereof, which comprise a base, a sealing component, a mounting component, an electric telescopic rod, a fixing block, a valve plug and a connecting spring, a sealing assembly is arranged on the bottom face of the base, a mounting assembly is arranged on one side of the sealing assembly, an electric telescopic rod is further arranged on the bottom face of the base, a fixing block is arranged at one end of the electric telescopic rod, a valve plug is arranged on one side of the fixing block, and a connecting spring is arranged on the outer side of the electric telescopic rod. The valve comprises a valve body, a valve element channel, a fluid channel, a second flange and a pressure measuring device. A valve element channel is formed in one side of the valve body, a fluid channel is formed in the other side of the valve body, a second flange is arranged at one end of the fluid channel, and a pressure measuring device is arranged on the bottom face of the fluid channel. The position of the valve plug is flexibly adjusted in a telescopic adjusting mode according to the air pressure change condition in the valve body, meanwhile, stable movement of the valve plug is guaranteed, the sealing performance when the valve body is closed is guaranteed, and the practical value of the balance valve is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of balancing valves, in particular to an air pressure self-adaptive balancing valve core and a balancing valve thereof. Background Art

[0002] A balancing valve is a hydraulic control valve used primarily in hydraulic systems to ensure pressure balance in hydraulic cylinders or motors when they stop or start, preventing sudden movement or impact of the load, thereby protecting the system from damage and improving operational stability and safety.

[0003] The current balancing valve core is mostly used by turning the hand wheel to adjust the valve plug position, which is inconvenient to use. The valve plug position is not accurate enough, resulting in poor air pressure regulation effect and difficulty in achieving a balanced state quickly and accurately.

[0004] Therefore, in view of the fact that the existing balancing valve core is inconvenient to operate and has poor accuracy when adjusting, an air pressure adaptive balancing valve core and its balancing valve can be designed. By means of telescopic adjustment, the position of the valve plug can be flexibly adjusted according to the changes in the air pressure inside the valve body. At the same time, the stable movement of the valve plug is guaranteed, and the sealing of the valve body when closed is ensured, thereby enhancing the practical value of the balancing valve. Utility Model Content

[0005] In order to overcome the problems that most balancing valve cores have relatively simple valve plug adjustment structures, which are inconvenient to use and the valve plug position is not precise enough, resulting in poor air pressure adjustment effect and difficulty in achieving a balanced state quickly and accurately.

[0006] The technical solution of the utility model is: a pneumatic self-adaptive balancing valve core and a balancing valve thereof, comprising a base, a sealing assembly, a mounting assembly, an electric telescopic rod, a fixing block, a valve plug, a connecting spring and a second sealing ring; a sealing assembly is provided on the bottom surface of the base, a mounting assembly is provided on one side of the sealing assembly, an electric telescopic rod is also provided on the bottom surface of the base, a fixing block is provided at one end of the electric telescopic rod, a valve plug is provided on one side of the fixing block, a connecting spring is provided on the outside of the electric telescopic rod, and a second sealing ring is provided on the outside of the valve plug.

[0007] Preferably, a base is provided to fix the electric telescopic rod, a sealing assembly is used to ensure the sealing effect of the installation assembly, the base is flexibly disassembled and assembled through the installation assembly, the telescopic electric telescopic rod drives the connecting spring to synchronously extend and retract, thereby stably adjusting the position of the fixed block, the fixed block is used to fix the valve plug, and the telescopic valve plug ensures air pressure balance. At the same time, the second sealing ring is used to ensure the sealing effect of the valve plug, thereby achieving the effect of flexibly adjusting the valve plug position according to the changes in the air pressure inside the valve body, thereby enhancing the practical value of the balancing valve.

[0008] Preferably, the sealing assembly includes a mounting seat, a first upper flange and a first sealing ring; the bottom surface of the base is provided with a mounting seat, one end of the mounting seat is provided with a first upper flange, and the bottom surface of the first upper flange is provided with a first sealing ring; the first upper flange is connected and fixed by the mounting seat, the first upper flange is used to fix the first sealing ring, and the first sealing ring is used to ensure the sealing effect of the first upper flange.

[0009] Preferably, the mounting assembly includes a threaded through hole and a fixing bolt; a threaded through hole is opened on one side of the first upper flange, and a fixing bolt is arranged on the inner side of the threaded through hole; the installation position of the fixing bolt is clearly defined through the threaded through hole, and the fixing bolt is used to flexibly disassemble and assemble the mounting seat.

[0010] Preferably, multiple groups of threaded through holes are provided, multiple groups of fixing bolts are provided, and the fixing bolts are threadedly connected to the first upper flange; the fixing bolts are rotated in the threaded through holes, thereby flexibly installing and fixing the first upper flange.

[0011] Preferably, one end of the connecting spring is arranged on the upper surface of the fixed block, and the other end of the connecting spring is arranged on the bottom surface of the base; the telescopic electric telescopic rod adjusts the elastic coefficient of the connecting spring, thereby ensuring stable displacement of the valve plug.

[0012] A pneumatic pressure adaptive balancing valve, which includes a pneumatic pressure adaptive balancing valve core as described above, and also includes a valve body, a valve core channel, a fluid channel, a first lower flange, a threaded hole, a second flange and a pressure gauge; a valve core channel is opened on one side of the valve body, a fluid channel is opened on the other side of the valve body, a first lower flange is provided at one end of the valve core channel, a threaded hole is provided on one side of the first lower flange, a second flange is provided at one end of the fluid channel, and a pressure gauge is provided on the bottom surface of the fluid channel.

[0013] Preferably, the position of the valve core channel is determined through the valve body, the movement range of the valve plug is determined by the valve core channel, the fluid flow is ensured through the fluid channel, thereby balancing the air pressure on both sides of the valve body, the first lower flange is used to determine the installation position of the first upper flange, the fixing bolts are rotated in the threaded hole, so as to flexibly disassemble and assemble the first lower flange and the first upper flange, the second flange is used to flexibly disassemble and assemble the fixed valve body, and the air pressure monitoring operation is performed through the pressure gauge.

[0014] Preferably, the valve core channel is inclined to the fluid channel at a certain angle, wherein the valve core channel and the fluid channel are interconnected, multiple groups of threaded holes are provided, multiple groups of second flanges are provided, the second flanges are provided at both ends of the fluid channel, two groups of pressure gauges are provided, and the pressure gauges are symmetrically provided on both sides of the valve core channel; the valve plug is displaced in the valve core channel, so as to flexibly adjust the size of the fluid flow channel, the threaded hole is used to clearly define the installation position of the fixing bolts, the two ends of the valve body are fixed by the second flange, and the pressure gauge is used to monitor the changes in the air pressure inside the fluid channel in real time.

[0015] Beneficial effects of the utility model:

[0016] 1. Compared with traditional balancing valve cores, most of them adjust the valve plug position by turning the hand wheel, which is inconvenient to use. The valve plug position is not accurate enough, resulting in poor air pressure regulation effect and difficulty in quickly and accurately reaching a balanced state. The telescopic adjustment method can flexibly adjust the valve plug position according to the changes in the air pressure inside the valve body. At the same time, it ensures the stable movement of the valve plug, ensures the sealing of the valve body, and enhances the practical value of the balancing valve.

[0017] 2. When using a balancing valve, the electric telescopic rod is controlled by an external device to adjust the elasticity of the connecting spring, driving the valve plug to move stably in the valve core channel. At the same time, the second sealing ring is used to ensure the sealing effect of the valve plug, so as to solve the problems of most balancing valve cores that are inconvenient to operate and have poor accuracy during adjustment, and enhance the accuracy of air pressure regulation;

[0018] 3. The pressure gauge is used to monitor the changes in the air pressure inside the fluid channel in real time, and the relevant data is transmitted to the external control device. The electric telescopic rod is fixed on the base, and the valve plug is fixedly connected through the fixing block, so as to accurately control the position of the valve plug in the valve core channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a schematic diagram of the three-dimensional structure of a pressure-adaptive balancing valve core of the present invention;

[0020] Figure 2 Shown is a schematic diagram of a cross-sectional three-dimensional structure of an air pressure adaptive balancing valve core of the present invention;

[0021] Figure 3 Shown is a schematic diagram of the three-dimensional structure of a pressure adaptive balancing valve of the present utility model;

[0022] Figure 4 What is shown is a schematic diagram of the cross-sectional three-dimensional structure of an air pressure adaptive balancing valve of the present utility model.

[0023] Explanation of the accompanying drawings: 1. Base; 101. Mounting seat; 102. First upper flange; 103. First sealing ring; 201. Threaded through hole; 202. Fixing bolt; 3. Electric telescopic rod; 301. Fixing block; 4. Valve plug; 401. Connecting spring; 402. Second sealing ring; 5. Valve body; 501. Valve core channel; 502. Fluid channel; 601. First lower flange; 602. Threaded hole; 603. Second flange; 7. Pressure gauge. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 2 The utility model provides an embodiment: a pneumatic pressure adaptive balancing valve core, including a base 1, a sealing assembly, a mounting assembly, an electric telescopic rod 3, a fixing block 301, a valve plug 4, a connecting spring 401 and a second sealing ring 402; a sealing assembly is provided on the bottom surface of the base 1, a mounting assembly is provided on one side of the sealing assembly, the electric telescopic rod 3 is further provided on the bottom surface of the base 1, a fixing block 301 is provided at one end of the electric telescopic rod 3, a valve plug 4 is provided on one side of the fixing block 301, a connecting spring 401 is provided on the outer side of the electric telescopic rod 3, and a second sealing ring 402 is provided on the outer side of the valve plug 4;

[0026] The sealing assembly includes a mounting seat 101, a first upper flange 102 and a first sealing ring 103; the bottom surface of the base 1 is provided with a mounting seat 101, one end of the mounting seat 101 is provided with a first upper flange 102, the bottom surface of the first upper flange 102 is provided with a first sealing ring 103, the first upper flange 102 is connected and fixed by the mounting seat 101, the first upper flange 102 is used to fix the first sealing ring 103, and the first upper flange 102 is ensured to seal the first upper flange 102 by the first sealing ring 103; the mounting assembly includes a threaded through hole 201 and a fixing bolt 202; a threaded through hole 201 is provided on one side of the first upper flange 102, and a threaded through hole 201 is provided on the inner side thereof. There is a fixing bolt 202, and the installation position of the fixing bolt 202 is clearly defined through the threaded through hole 201, and the fixing bolt 202 is used to flexibly disassemble and assemble the mounting base 101; there are multiple groups of threaded through holes 201, and multiple groups of fixing bolts 202 are provided. The fixing bolts 202 are threadedly connected to the first upper flange 102, and the fixing bolts 202 are rotated in the threaded through hole 201 to flexibly install and fix the first upper flange 102; one end of the connecting spring 401 is arranged on the upper surface of the fixing block 301, and the other end of the connecting spring 401 is arranged on the bottom surface of the base 1, and the telescopic electric telescopic rod 3 adjusts the elastic coefficient of the connecting spring 401, thereby ensuring the stable displacement of the valve plug 4.

[0027] See also Figure 3-Figure 4In this embodiment, a pressure adaptive balancing valve includes a pressure adaptive balancing valve core as described above, which also includes a valve body 5, a valve core channel 501, a fluid channel 502, a first lower flange 601, a threaded hole 602, a second flange 603 and a pressure gauge 7; a valve core channel 501 is opened on one side of the valve body 5, and a fluid channel 502 is opened on the other side of the valve body 5. One end of the valve core channel 501 is provided with a first lower flange 601, one side of the first lower flange 601 is provided with a threaded hole 602, one end of the fluid channel 502 is provided with a second flange 603, and a pressure gauge 7 is provided on the bottom surface of the fluid channel 502; the valve core channel 501 is inclined at a certain angle to the fluid. The valve body channel 502 is provided with multiple groups of threaded holes 602, and multiple groups of second flanges 603 are provided. The second flanges 603 are provided at both ends of the fluid channel 502. Two groups of pressure gauges 7 are provided, and the pressure gauges 7 are symmetrically arranged on both sides of the valve core channel 501. The valve plug 4 is displaced in the valve core channel 501 to flexibly adjust the flow channel size of the fluid channel 502. The threaded holes 602 are used to clearly define the installation position of the fixing bolts 202, and the two ends of the valve body 5 are fixed by the second flanges 603. The pressure gauges 7 are used to monitor the changes in the internal air pressure of the fluid channel 502 in real time. The pressure gauge 7 used is model HM675M.

[0028] When installing the valve core, fix the valve body 5 to the specified position of the equipment through the second flange 603, connect the first upper flange 102 to the first lower flange 601, align the threaded through hole 201 with the threaded hole 602, and rotate the fixing bolt 202 in the threaded through hole 201. At the same time, use the first sealing ring 103 to ensure the sealing connection between the first upper flange 102 and the first lower flange 601;

[0029] When using the balancing valve, the pressure change inside the fluid channel 502 is monitored in real time through the pressure gauge 7, and the relevant data is transmitted to the external control device. The base 1 is used to fix the electric telescopic rod 3, and the electric telescopic rod 3 is controlled by the external device to extend and retract in the mounting seat 101, thereby adjusting the elasticity of the connecting spring 401, driving the valve plug 4 on the fixed block 301 to move in the valve core channel 501. At the same time, the second sealing ring 402 is used to ensure the sealing effect of the valve plug 4, thereby flexibly changing the flow channel size of the fluid channel 502 to ensure pressure balance.

[0030] Through the above steps, the electric telescopic rod 3 is fixed by setting the base 1, the sealing effect of the installation assembly is ensured by using the sealing assembly, the base 1 is flexibly disassembled and assembled by using the installation assembly, the telescopic electric telescopic rod 3 drives the connecting spring 401 to extend and retract synchronously, thereby stably adjusting the position of the fixed block 301, the fixed block 301 is used to fix the valve plug 4, and the valve plug 4 is extended and retracted to ensure air pressure balance. At the same time, the second sealing ring 402 is used to ensure the sealing effect of the valve plug 4, the position of the valve core channel 501 is determined through the valve body 5, the movement range of the valve plug 4 is determined by using the valve core channel 501, the fluid is ensured to flow smoothly through the fluid channel 502, thereby balancing the air pressure on both sides of the valve body 5, the installation position of the first upper flange 102 is determined by using the first lower flange 601, the fixing bolt 202 is rotated in the threaded hole 602, thereby flexibly disassembling and assembling the first lower flange 601 and the first upper flange 102, the second flange 603 is used to flexibly disassemble and assemble the fixed valve body 5, and the pressure monitoring operation is performed through the manometer 7.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A pressure-adaptive balancing valve core, comprising a base (1); characterized in that: The invention also includes a sealing assembly, a mounting assembly, an electric telescopic rod (3), a fixing block (301), a valve plug (4), a connecting spring (401) and a second sealing ring (402); the bottom surface of the base (1) is provided with a sealing assembly, one side of the sealing assembly is provided with a mounting assembly, the bottom surface of the base (1) is also provided with an electric telescopic rod (3), one end of the electric telescopic rod (3) is provided with a fixing block (301), one side of the fixing block (301) is provided with a valve plug (4), the outer side of the electric telescopic rod (3) is provided with a connecting spring (401), and the outer side of the valve plug (4) is provided with a second sealing ring (402).

2. The air pressure adaptive balancing valve core according to claim 1, characterized in that: The sealing assembly comprises a mounting seat (101), a first upper flange (102) and a first sealing ring (103); the bottom surface of the base (1) is provided with the mounting seat (101), one end of the mounting seat (101) is provided with the first upper flange (102), and the bottom surface of the first upper flange (102) is provided with the first sealing ring (103).

3. The air pressure adaptive balancing valve core according to claim 1, characterized in that: The mounting assembly comprises a threaded through hole (201) and a fixing bolt (202); a threaded through hole (201) is opened on one side of the first upper flange (102), and a fixing bolt (202) is arranged inside the threaded through hole (201).

4. The air pressure adaptive balancing valve core according to claim 3, characterized in that: There are multiple groups of threaded through holes (201), multiple groups of fixing bolts (202), and the fixing bolts (202) and the first upper flange (102) are threadedly connected to each other.

5. The air pressure adaptive balancing valve core according to claim 4, characterized in that: One end of the connecting spring (401) is arranged on the upper surface of the fixing block (301), and the other end of the connecting spring (401) is arranged on the bottom surface of the base (1).

6. A pressure adaptive balancing valve, characterized in that It comprises an air pressure adaptive balancing valve core according to any one of claims 1 to 5, and further comprises: a valve body (5), a valve core channel (501), a fluid channel (502), a first lower flange (601), a threaded hole (602), a second flange (603) and a pressure gauge (7); a valve core channel (501) is provided on one side of the valve body (5), a fluid channel (502) is provided on the other side of the valve body (5), a first lower flange (601) is provided at one end of the valve core channel (501), a threaded hole (602) is provided at one side of the first lower flange (601), a second flange (603) is provided at one end of the fluid channel (502), and a pressure gauge (7) is provided on the bottom surface of the fluid channel (502).

7. The air pressure adaptive balancing valve according to claim 6, characterized in that: The valve core channel (501) is inclined at a certain angle to the fluid channel (502), wherein the valve core channel (501) and the fluid channel (502) are interconnected, multiple groups of threaded holes (602) are provided, multiple groups of second flanges (603) are provided, and the second flanges (603) are provided at both ends of the fluid channel (502), and two groups of pressure gauges (7) are provided, and the pressure gauges (7) are symmetrically provided on both sides of the valve core channel (501).

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