Multi-gear feedback flow regulating valve

Abstract

The invention relates to the technical field of regulating valves, in particular to a multi-gear feedback flow regulating valve which comprises a valve body, a valve head is detachably arranged at the top of the valve body, a passage for liquid to flow is arranged between the valve body and the valve head, and a regulating block for regulating the effective working area of the passage is arranged in the valve body. A mounting seat is arranged on the side edge of the valve body, an adjusting feedback device connected with the adjusting block is arranged in the mounting seat, the structure is compact, operation is easy and convenient, installation and maintenance are easy, and long-term accurate control and position feedback of multi-gear flow are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of regulating valves, and in particular to a multi-speed feedback flow regulating valve. Background Art

[0002] In hydraulic transmission technology, flow control valves that adjust the corresponding flow rate according to different working conditions are widely used in industrial and civilian production. During the operation of traditional control valves, the valve opening is easily affected by external factors, affecting the flow rate and resulting in instability in long-term operation; and the control system cannot monitor the gear information, which can easily cause erroneous actions in other gears and cause safety accidents. Summary of the invention

[0003] The purpose of the present invention is to overcome the defect that the valve opening of the flow control valve in the prior art cannot be monitored, and to provide a multi-speed feedback flow control valve.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the present invention specifically adopts the following technical scheme: a multi-speed feedback flow control valve, including a valve body, a valve head is detachably provided on the top of the valve body, a passage for circulating liquid is provided between the valve body and the valve head, an adjustment block for adjusting the effective working area of ​​the passage is provided inside the valve body, a mounting seat is provided on the side of the valve body, and an adjustment feedback device connected to the adjustment block is provided inside the mounting seat.

[0005] Furthermore, the valve body is cylindrical as a whole, the valve head is threadedly connected to the top of the valve body, and a retaining ring and a sealing ring for sealing are provided at the connection between the valve head and the valve body.

[0006] Furthermore, the cross section of the adjusting block is spherical, and the axis position of the adjusting block is set through.

[0007] Furthermore, the abutment portion of the regulating block, the valve body and the valve head is arranged to be a plane, and a support body is arranged at the bottom of the valve head and inside the valve body to abut against the regulating block.

[0008] Furthermore, the adjustment feedback device includes a rotating handle arranged inside the mounting base, a connecting shaft is arranged on the top of the rotating handle, the top of the connecting shaft is connected to the side of the adjustment block, and a position feedback sensor for feedback of position changes is arranged on the bottom of the rotating handle.

[0009] Furthermore, a clamping groove is arranged on the side of the rotating handle, a locking rod abutting against the clamping groove is arranged on the top of the mounting seat, and a spring is wound around the outer side of the locking rod.

[0010] Furthermore, the side of the connecting shaft is a circular block, the connecting shaft is clamped on the side wall of the valve body, and the end of the connecting shaft is provided with a square clamping joint, which is clamped with the connecting groove on the side of the regulating block.

[0011] Furthermore, an indicator line is provided at the bottom of the rotating handle, and a digital gear position matching the indicator line is provided on the side of the mounting seat.

[0012] The beneficial effects of the embodiments of the present invention are as follows: an adjusting block is arranged inside the valve body for adjusting the effective working area of ​​the liquid passage, thereby realizing flow regulation. The specific shape and size of the adjusting block can be set according to actual needs. By rotating the rotating handle, the connecting shaft is driven to rotate, and at the same time, the clamping joint drives the adjusting block to rotate on the vertical plane. The flow rate of the liquid is controlled by the overlapping area of ​​the passage on the adjusting block and the support block. The flow rate is regulated by changing the effective working area of ​​the liquid passage. The structure is compact, the operation is simple, and it is easy to install and maintain. Long-term accurate control and position feedback of multi-gear flow rates are realized. It has multiple gears, and different gears are selected according to different working conditions. The valve opening can be monitored in real time and fed back to the control system, thereby realizing more flexible flow control. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0015] In the figure: 1, valve body; 101, indicator line; 102, digital gear; 2, valve head; 201, support body; 3, mounting seat; 301, position feedback sensor; 4, adjustment block; 401, rotary handle; 402, connecting shaft; 5, locking rod; 501, spring; 502, screw plug spring seat. DETAILED DESCRIPTION

[0016] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0017] See also Figure 1 to Figure 2The embodiment of the present invention discloses a multi-speed feedback flow control valve, which mainly includes a valve body 1, a valve head 2, an adjustment block 4, a mounting seat 3, an adjustment feedback device and other components. The valve body 1 is cylindrical as a whole, and a detachable valve head 2 is arranged on the top of the valve body 1. The two are connected by screw connection to ensure the stability of the connection. A retaining ring and a sealing ring are arranged at the connection between the valve head 2 and the valve body 1 to achieve a good sealing effect and prevent liquid leakage. The valve head 2 can be disassembled from the valve body 1, which is convenient for the installation of the adjustment block 4 and internal components, and reduces the difficulty of maintenance.

[0018] An adjusting block 4 is arranged inside the valve body 1 for adjusting the effective working area of ​​the liquid passage, so as to adjust the flow rate. The specific shape and size of the adjusting block 4 can be set according to actual needs to meet different flow rate adjustment needs. In the present embodiment, the cross section of the adjusting block 4 is arranged to be spherical, and its axial position is arranged to be through-set to ensure the smooth flow of the liquid. The abutment between the adjusting block 4 and the valve body 1 and the valve head 2 is arranged to be flat to improve the sealing performance. At the same time, a support body 201 is arranged at the bottom of the valve head 2 and inside the valve body 1 to abut against the adjusting block 4. An arc groove for accommodating the adjusting block 4 is arranged on the end face of the support body 201 to facilitate the rotation of the adjusting block 4, and to support the adjusting block 4 and prevent it from tilting or shaking during movement, thereby ensuring stability during use and improving the use effect.

[0019] On the side of the valve body 1, a mounting seat 3 is provided for installing an adjustment feedback device. During production, the valve body 1 can be produced integrally with the valve body 1 to reduce the connection surface and reduce the production cost. The adjustment feedback device includes a rotating handle 401, a connecting shaft 402, a position feedback sensor 301 and other components. The rotating handle 401 is horizontally arranged inside the mounting seat 3, and its top is connected to the connecting shaft 402. The top of the connecting shaft 402 is connected to the side of the adjustment block 4. The side of the connecting shaft 402 is set as a circular block, which is clamped on the side wall of the valve body 1 to ensure that the connecting shaft In order to improve the stability of 402, a square card joint is provided at the end of the connecting shaft 402, and the card joint is engaged with the connecting groove on the side of the adjusting block 4, so as to realize the stable connection between the connecting shaft 402 and the adjusting block 4. By rotating the rotating handle 401, the connecting shaft 402 is driven to rotate, and at the same time, the card joint drives the adjusting block 4 to rotate on the vertical plane. The flow rate of the liquid is controlled by the overlapping area of ​​the passage on the adjusting block 4 and the support body 201. The flow rate is adjusted by changing the effective working area of ​​the liquid passage. It has a compact structure, simple operation, and is easy to install and maintain.

[0020] In order to ensure the stability of the rotating handle 401 during the adjustment process, a snap-in groove is set on the side of the rotating handle 401, and a locking rod 5 abutting the snap-in groove is set on the top of the mounting seat 3. A screw plug spring seat 502 is set on the top of the locking rod 5, and a spring 501 is wound around the outer side of the locking rod 5. Through the elastic force of the spring 501, the locking rod 5 can be tightly abutted in the snap-in groove, and the downward pressure of the locking rod 5 is adjusted by the screw plug spring seat 502, so as to fix the position of the rotating handle 401, prevent it from loosening or displacement during the adjustment process, and ensure its stability during use.

[0021] The position feedback sensor 301 is arranged at the bottom of the rotating handle 401, and is used to monitor the position change of the rotating handle 401 in real time, so as to obtain the current position information of the adjustment block 4, so that the control system can monitor the gear information in real time, avoid erroneous actions in other gears, improve the safety and stability of the system, and can monitor the opening of the valve in real time and feed it back to the control system, so as to achieve more flexible flow control. An indicator line 101 is arranged at the bottom of the rotating handle 401, and a digital gear 102 cooperating with the indicator line 101 is arranged on the side of the mounting seat 3. The digital gear 102 indicates the size of the flow. When adjusting the rotation angle, the rotation angle of the adjustment block 4 is verified by the cooperation of the indicator line 101 and the digital gear 102 to ensure the use effect, realize long-term accurate control and position feedback of multi-gear flow, can realize accurate adjustment of the flow, and monitor the gear information in real time, improve the safety and stability of the system. At the same time, it has a compact structure, simple operation, easy installation and maintenance, and has broad application prospects.

[0022] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0025] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A multi-speed feedback flow control valve, comprising a valve body (1), characterized in that: The top of the valve body (1) is detachably provided with a valve head (2); a passage for circulating liquid is provided between the valve body (1) and the valve head (2); an adjusting block (4) for adjusting the effective working area of ​​the passage is provided inside the valve body (1); a mounting seat (3) is provided on the side of the valve body (1); an adjusting feedback device connected to the adjusting block (4) is provided inside the mounting seat (3).

2. The multi-speed feedback flow control valve according to claim 1 is characterized in that: The valve body (1) is cylindrical in shape as a whole, the valve head (2) is threadedly connected to the top of the valve body (1), and a retaining ring and a sealing ring for sealing are provided at the connection between the valve head (2) and the valve body (1).

3. The multi-speed feedback flow control valve according to claim 1 is characterized in that: The cross section of the adjusting block (4) is spherical, and the axis position of the adjusting block (4) is arranged to be continuous.

4. The multi-speed feedback flow control valve according to claim 3 is characterized in that: The abutment portion of the regulating block (4) with the valve body (1) and the valve head (2) is arranged as a plane, and a support body (201) is arranged at the bottom of the valve head (2) and inside the valve body (1) to abut against the regulating block (4).

5. The multi-speed feedback flow control valve according to claim 3 is characterized in that: The adjustment feedback device comprises a rotating handle (401) arranged inside the mounting seat (3), a connecting shaft (402) is arranged at the top of the rotating handle (401), the top of the connecting shaft (402) is connected to the side of the adjustment block (4), and a position feedback sensor (301) for feeding back position changes is arranged at the bottom of the rotating handle (401).

6. The multi-speed feedback flow control valve according to claim 5, characterized in that: A clamping groove is arranged on the side of the rotating handle (401), a locking rod (5) abutting against the clamping groove is arranged on the top of the mounting seat (3), and a spring (501) is wound around the outer side of the locking rod (5).

7. The multi-speed feedback flow control valve according to claim 5, characterized in that: The side of the connecting shaft (402) is a circular block, the connecting shaft (402) is clamped on the side wall of the valve body (1), and the end of the connecting shaft (402) is provided with a square clamping joint, which is clamped with the connecting groove on the side of the adjustment block (4).

8. The multi-speed feedback flow control valve according to claim 5, characterized in that: The bottom of the rotating handle (401) is provided with an indication line (101), and the side of the mounting seat (3) is provided with a digital gear position (102) that matches the indication line (101).

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