Electronic flow regulating valve
By adopting a stepper motor and reducer design in the electronic flow regulating valve, using permanent magnets to enhance torque, and simplifying installation and maintenance through threaded connections, the existing electronic flow regulating valves have limited torque and inaccurate flow control, and more efficient flow control is achieved.
Patent Information
- Application Number
- CN202421573517.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-16
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing electronic flow control valves have problems such as limited direct drive torque of the motor, troublesome disassembly and assembly, and insufficient flow control.
An electronic flow control valve is designed, which uses a stepper motor and a reducer to achieve torque enhancement through permanent magnets and facilitates installation and maintenance through threaded connections. At the same time, the valve core and the transmission shaft are used to achieve linear proportional flow adjustment.
It overcomes the problem of limited direct drive torque of the motor, facilitates customer installation and post-maintenance, and achieves more precise flow control.
Smart Images
Figure CN222880407U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic flow regulating valves, in particular to an electronic flow regulating valve. Background Art
[0002] At present, most of the flow control valves on the market are purely mechanical or single-purpose electronic flow control valves, which have the following problems: 1. The direct drive by the motor will have the defect of limited torque; 2. It is troublesome to disassemble and assemble, and it is not convenient for later maintenance; 3. The flow control is not precise enough.
[0003] Therefore, it is urgent to design a new type of electronic flow control valve to solve the above problems. Utility Model Content
[0004] The utility model aims to provide an electronic flow control valve to solve the problems of the existing electronic flow control valves, such as limited direct-drive torque of the motor, troublesome assembly and disassembly leading to inconvenience in later maintenance and insufficient precision of flow control.
[0005] In order to solve the above technical problems, the utility model provides an electronic flow regulating valve, comprising a valve body and a driving head, the valve body comprising a shell and a connecting pipe, a first valve core and a second valve core are installed in the shell, one end of the first valve core is connected to a first transmission shaft, the connecting pipe is fixed to one end of the shell and a first permanent magnet is arranged inside the connecting pipe, and the other end of the first transmission shaft extends into the connecting pipe and is connected to the first permanent magnet;
[0006] The drive head includes a protective cover, in which a stepper motor and a mounting member are installed. The output end of the stepper motor is connected to a second transmission shaft via a reducer, one end of the second transmission shaft is connected to the mounting member, and a second permanent magnet is also installed on the mounting member.
[0007] Optionally, the outer wall of the connecting tube is provided with a first thread, and the inner wall of one end of the protective cover is provided with a second thread matched with the first thread, so as to install the valve body and the drive head together.
[0008] Optionally, the shell is connected to a first outlet pipe and a second outlet pipe on one side, and to an inlet pipe on the other side.
[0009] Optionally, a nut is fixed to the other end of the shell.
[0010] Optionally, a plug is also installed on the protective cover.
[0011] In an electronic flow regulating valve provided by the utility model, it includes a valve body and a drive head, the valve body includes a shell and a connecting pipe, a first valve core and a second valve core are installed in the shell, one end of the first valve core is connected to a first transmission shaft, the connecting pipe is fixed to one end of the shell and a first permanent magnet is provided inside it, the other end of the first transmission shaft extends into the connecting pipe and is connected to the first permanent magnet; the drive head includes a protective cover, a stepper motor and a mounting piece are installed in the protective cover, the output end of the stepper motor is connected to the second transmission shaft through a reducer, one end of the second transmission shaft is connected to the mounting piece, and a second permanent magnet is also installed on the mounting piece; the use of the electronic flow regulating valve overcomes the defect of limited torque of the motor direct drive, facilitates customer installation and subsequent maintenance, and realizes analog proportional regulation at the same time, making the flow control more precise. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of the electronic flow control valve provided by the utility model;
[0013] Figure 2 This is a right side view of the valve body provided by the utility model;
[0014] Figure 3 yes Figure 2 Middle AA section view;
[0015] Figure 4 It is a schematic diagram of the interior of the drive head provided by the utility model. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0019] The utility model provides an electronic flow control valve, the structure of which is as follows: Figure 1 As shown, it includes a valve body 1 and a drive head 2, the valve body 1 includes a housing 111 and a connecting pipe 103, a first valve core 106 and a second valve core 108 are installed in the housing 111, one end of the first valve core 106 is connected to a first transmission shaft 104, the connecting pipe 103 is fixed to one end of the housing 111 and a first permanent magnet 102 is arranged inside it, the other end of the first transmission shaft 104 extends into the connecting pipe 103 and is connected to the first permanent magnet 102, the drive head 2 includes a protective cover 22, a stepper motor 23 and a mounting member 28 are installed in the protective cover 22, the output end of the stepper motor 23 is connected to a second transmission shaft 24 through a reducer 27, one end of the second transmission shaft 24 is connected to the mounting member 28, and a second permanent magnet 25 is also installed on the mounting member 28. The use of an electronic flow control valve overcomes the defect of limited torque of the motor direct drive, facilitates customer installation and later maintenance, and realizes analog proportional regulation, making flow control more accurate.
[0020] Furthermore, the outer wall of the connecting pipe 103 is provided with a first thread, and the inner wall of one end of the protective cover 22 is provided with a second thread 26 matched with the first thread, so as to install the valve body 1 and the driving head 2 together.
[0021] Furthermore, the shell 111 is connected to the first outlet pipe 105 and the second outlet pipe 109 on one side, and is connected to the inlet pipe 107 on the other side.
[0022] Furthermore, a nut 110 is fixed to the other end of the housing 111 to achieve final sealing of the bottom of the valve body 1 , so that a separate sealed fluid channel is formed inside the valve body 1 .
[0023] Furthermore, a plug 21 is installed on the protective cover 22 for connecting to an external controller.
[0024] The working principle of the utility model is as follows: first, the valve body 1 and the drive head 2 are installed together by connecting the first thread set on the outer wall of the connecting tube 103 with the second thread 26 set on the inner wall of one end of the protective cover 22. At this time, the stepper motor 23 is controlled by an electronic signal, and then the torque is increased and output through the reducer 27. The output torque is transmitted to the first permanent magnet 102, and then the final torque control and output are realized through the first permanent magnet 102N, S level and magnetic characteristics. The whole process realizes the electronic control of the stepper motor 23, the integrated torque amplification of the reducer 27, the torque transition transmission of the first permanent magnet 102, and the linear movement of the first valve core 106 and the second valve core 108, thereby realizing the linear proportional regulation of the medium flow.
[0025] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation to the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.
Claims
1. An electronic flow control valve, comprising a valve body (1) and a drive head (2), characterized in that: The valve body (1) comprises a shell (111) and a connecting pipe (103); a first valve core (106) and a second valve core (108) are installed in the shell (111); one end of the first valve core (106) is connected to a first transmission shaft (104); the connecting pipe (103) is fixed to one end of the shell (111) and a first permanent magnet (102) is arranged inside the connecting pipe; the other end of the first transmission shaft (104) extends into the connecting pipe (103) and is connected to the first permanent magnet (102); The drive head (2) comprises a protective cover (22), a stepper motor (23) and a mounting member (28) are installed in the protective cover (22), an output end of the stepper motor (23) is connected to a second transmission shaft (24) via a reducer (27), one end of the second transmission shaft (24) is connected to the mounting member (28), and a second permanent magnet (25) is also installed on the mounting member (28).
2. The electronic flow control valve according to claim 1, characterized in that: The outer wall of the connecting tube (103) is provided with a first thread, and the inner wall of one end of the protective cover (22) is provided with a second thread (26) matched with the first thread, which is used to install the valve body (1) and the drive head (2) together.
3. The electronic flow control valve according to claim 1, characterized in that: The shell (111) is connected to a first outlet pipe (105) and a second outlet pipe (109) on one side, and is connected to an inlet pipe (107) on the other side.
4. The electronic flow control valve according to claim 1, characterized in that: A nut (110) is fixed to the other end of the housing (111).
5. The electronic flow control valve according to claim 1, characterized in that: A plug (21) is also installed on the protective cover (22).