Electromagnetic valve for industrial instrument

Abstract

The utility model relates to the technical field of electromagnetic valves, and provides an electromagnetic valve for an industrial instrument, which comprises a liquid guide pipe, a valve body is fixedly inserted on the outer wall of the liquid guide pipe, a flow guide cavity is arranged on the inner side of the valve body, a liquid baffle is fixedly arranged on the inner wall of the liquid guide pipe, and a rectangular cylinder is fixedly arranged in the middle of the top surface of the valve body. A lifting plate is movably inserted into the inner side of the rectangular cylinder, a sealing plate is fixedly arranged at the lower end of the lifting plate, a tooth row is fixedly arranged on the edge of one side wall of the lifting plate, a connecting cylinder is fixedly arranged on the outer wall of one side of the rectangular cylinder, a moving cylinder is movably arranged on the inner side of the connecting cylinder in a sleeving mode, and an adjusting assembly is movably inserted into the inner side of the moving cylinder. The electromagnetic valve can be driven by electric power and can also be operated and used manually, the problem that the electromagnetic valve cannot be used when power is cut off or a power source is damaged can be effectively solved, the electromagnetic valve can better meet the requirement of actual use, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve used for industrial instruments. Background Art

[0002] Solenoid valves are industrial equipment controlled by electromagnetics. They are basic automation components used to control fluids. They are actuators and are not limited to hydraulic or pneumatic. They are used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. Solenoid valves can be used with different circuits to achieve the desired control, and the accuracy and flexibility of the control can be guaranteed. There are many types of solenoid valves, and different solenoid valves play a role in different positions in the control system. The most commonly used ones are check valves, safety valves, directional control valves, speed regulating valves, etc.

[0003] At present, the existing solenoid valves can only be used when they are powered on to generate electromagnetic force. Once the power is off or the power supply of the solenoid valve is damaged, they cannot be used, which cannot meet actual needs and is not conducive to the continuity of industrial production.

[0004] Therefore, there is a need for a solenoid valve for industrial instruments that can be manually operated in the event of a power outage or power failure to ensure the continuity of industrial production. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a solenoid valve for industrial instruments, which can be used by electric drive or manual operation and has stronger practicality.

[0006] In order to achieve the above purpose, the utility model proposes the following specific solutions:

[0007] A solenoid valve for industrial instruments comprises a liquid guide tube, the outer wall of which is fixedly connected with a valve body, the inner side of the valve body is provided with a flow guide cavity, the flow guide cavity is communicated with the inner side of the liquid guide tube, the inner wall of the liquid guide tube is fixedly provided with a liquid baffle plate, the upper end of the liquid baffle plate is located on the inner side of the flow guide cavity, a rectangular tube is fixedly provided on the middle part of the top surface of the valve body, the inner side of the rectangular tube is communicated with the flow guide cavity, a protective tube is fixedly provided on the top end of the rectangular tube, the inner side of the protective tube is communicated with the inner side of the rectangular tube, the protective tube comprises a tube wall, the lower end of the tube wall is fixedly connected with the rectangular tube, a fixed iron core is fixedly provided on the inner wall of the upper end of the tube wall, a coil is fixedly provided on the inner side of the tube wall, a lifting plate is movably connected with the inner side of the rectangular tube, and a moving iron core is fixedly provided on the top surface of the lifting plate The movable iron core is located below the fixed iron core, a sealing plate is fixedly provided at the lower end of the lifting plate, and the sealing plate is located above the liquid baffle plate. A tooth row is fixedly provided on the edge of one side wall of the lifting plate, a connecting tube is fixedly provided on the outer wall of one side of the rectangular tube, and a moving hole is provided in the middle of the inner wall of one side of the connecting tube. A moving tube is movably sleeved on the inner side of the connecting tube, and an adjusting component is movably inserted in the inner side of the moving tube. The adjusting component includes a rotating disk, a rotating shaft and a gear, one end of the rotating shaft is movably inserted in the inner side of the moving cylinder, and the other end of the rotating shaft is movably inserted in the inner side of the moving hole, one end of the rotating shaft is fixedly provided with a gear, the gear is meshed with the tooth row, and the other end of the rotating shaft is fixedly provided with a rotating disk, and the rotating disk is located on one side of the connecting tube.

[0008] As a preferred technical solution for an electromagnetic valve for industrial instruments of the utility model, a handle is fixedly provided on the edge of one side wall of the rotating disk, a plug-in hole is provided on the other side of the side wall of the rotating disk, a limit rod is movably plugged into the inner side of the plug-in hole, the limit rod is located above the handle, a second spring is movably sleeved on the outer side of one end of the limit rod, one end of the second spring is fixedly connected to one side wall of the rotating disk, and the other end of the second spring is fixedly connected to the limit rod.

[0009] As a preferred technical solution of the solenoid valve for industrial instruments of the utility model, a limiting groove is provided on the edge of the outer wall of one side of the connecting tube, and the other end of the limiting rod is movably inserted into the inner side of the limiting groove.

[0010] As a preferred technical solution of the solenoid valve for industrial instruments of the utility model, a sliding groove is provided on the inner wall of one end of the connecting cylinder, and a sliding block is fixedly provided on the outer wall of one end of the moving cylinder, and the sliding block is located inside the sliding groove.

[0011] As a preferred technical solution of the solenoid valve for industrial instruments of the utility model, a rotation groove is provided on the inner wall of one end of the movable cylinder, a limit ring is fixedly sleeved on the outer wall of the rotating shaft, and the limit ring is movably sleeved on the inner side of the rotation groove.

[0012] As an optimal technical solution for an electromagnetic valve for industrial instruments of the utility model, a spring groove is provided in the middle of the bottom surface of the sealing plate, a first spring is fixedly provided on the inner top surface of the spring groove, and the lower end of the first spring is fixedly connected to the top surface of the liquid baffle plate.

[0013] As a preferred technical solution of the solenoid valve for industrial instruments of the utility model, the inner size of the connecting cylinder is matched with the size of the moving cylinder, and the inner size of the moving cylinder is matched with the size of the rotating shaft.

[0014] As a preferred technical solution of the solenoid valve for industrial instruments of the utility model, a plurality of limit grooves are provided, and the sealing plate is made of a flexible material.

[0015] Compared with the existing technology, the utility model has the following beneficial effects:

[0016] The utility model can manually adjust the solenoid valve for use through the adjustment component provided. When manual operation is required, hold the handle with your hand and then push the rotating disk to move the gear to one side of the lifting plate, and the gear meshes with the tooth row. Then, pull the limit rod with the other hand to disengage it from the limit groove, rotate the rotating disk, drive the gear to rotate, so that the lifting plate rises, the sealing plate moves up, and the water flow can flow through the diversion cavity. When using electric drive, you only need to pull the handle to drive the gear to move into the inside of the connecting tube, and the gear will not affect the lifting of the lifting plate. This solution can use manual operation to keep the solenoid valve running when the power is off or the power supply is damaged, and can adjust the flow of the solenoid valve by controlling the number of rotations of the gear, thereby greatly improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to better describe the technical solution of the utility model in detail, the present invention is further explained below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a three-dimensional diagram of the overall structure provided by the utility model;

[0019] Figure 2 It is a three-dimensional cross-sectional view of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the adjustment component of the utility model;

[0021] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0022] Figure 5 For this utility model Figure 2 A magnified schematic diagram of point B in the middle.

[0023] In the figure: 1. liquid guide tube; 11. liquid baffle plate; 2. valve body; 21. rectangular tube; 22. protective tube; 221. tube wall; 222. fixed iron core; 223. coil; 23. connecting tube; 231. moving hole; 232. moving tube; 233. rotating groove; 234. limiting groove; 235. sliding block; 236. sliding groove; 24. lifting plate; 241. moving iron core; 242. sealing plate; 243. spring groove; 244. first spring; 245. tooth row; 25. flow guide chamber; 3. adjusting assembly; 31. rotating disk; 311. plug-in hole; 312. limiting rod; 313. second spring; 314. handle; 32. rotating shaft; 321. limiting ring; 33. gear. DETAILED DESCRIPTION

[0024] 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 of 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. Example

[0025] See also Figure 1-5 As shown, the utility model provides the following technical solutions: a solenoid valve for industrial instruments, comprising a liquid guide tube 1, a valve body 2 is fixedly inserted on the outer wall of the liquid guide tube 1, a flow guide cavity 25 is provided on the inner side of the valve body 2, and the flow guide cavity 25 is connected to the inner side of the liquid guide tube 1. This solution connects the liquid guide tube 1 with the pipeline of the industrial equipment, controls the flow of liquid through the flow guide cavity 25, and ensures smooth use of the solenoid valve.

[0026] Reference Figure 1 , Figure 2 , Figure 3, Figure 4 and Figure 5As shown, specifically, a tooth row 245 is fixedly provided at the edge of one side wall of the lifting plate 24 for lifting and lowering the lifting plate 24, a connecting cylinder 23 is fixedly provided at the outer wall of one side of the rectangular cylinder 21 for accommodating the moving cylinder 232 and the adjusting assembly 3, a moving hole 231 is provided at the middle of the inner wall of one side of the connecting cylinder 23 for facilitating the rotation and movement of the rotating shaft 32, a moving cylinder 232 is movably sleeved at the inner side of the connecting cylinder 23 for facilitating the rotation of the rotating shaft 32, the inner side size of the connecting cylinder 23 is matched with the size of the moving cylinder 232, a sliding groove 236 is provided at the inner wall at one end of the connecting cylinder 23 for sliding the sliding block 235 therein, a sliding block 235 is fixedly provided at the outer wall at one end of the moving cylinder 232 for facilitating the rotation of the rotating shaft 32 In order to prevent the moving cylinder 232 from rotating, the sliding block 235 is located on the inner side of the sliding groove 236. The inner side of the moving cylinder 232 is movably connected with an adjusting component 3 for adjusting the lifting and lowering of the lifting plate 24. The adjusting component 3 includes a rotating disk 31, a rotating shaft 32 and a gear 33. One end of the rotating shaft 32 is movably connected to the inner side of the moving cylinder 232. The rotating shaft 32 is used to drive the gear 33 to rotate and move. The inner size of the moving cylinder 232 is adapted to the size of the rotating shaft 32. A rotating groove 233 is provided on the inner wall of one end of the moving cylinder 232 to facilitate the rotation of a limiting ring 321. A limiting ring 321 is fixedly sleeved on the outer wall of the rotating shaft 32 to prevent the rotating shaft 32 from being displaced inside the moving cylinder 232. The positioning ring 321 is movably sleeved on the inner side of the rotating groove 233, and the other end of the rotating shaft 32 is movably inserted into the inner side of the moving hole 231. A gear 33 is fixedly arranged at one end of the rotating shaft 32, and the gear 33 is meshed with the gear row 245. The lifting plate 24 is lifted and lowered by the rotation of the gear 33. A rotating disk 31 is fixedly arranged at the other end of the rotating shaft 32, which is used to drive the rotating shaft 32 to rotate and move. The rotating disk 31 is located on one side of the connecting tube 23, and a handle 314 is fixedly arranged on the edge of one side wall of the rotating disk 31, which is used to rotate the rotating disk 31. A plug-in hole 311 is arranged on the other side of the side wall of the rotating disk 31 to facilitate the movement of the limiting rod 312, and a limiting rod is movably inserted in the inner side of the plug-in hole 311 312 is used to limit the rotation of the rotating disk 31. The limit rod 312 is located above the handle 314. A second spring 313 is movably sleeved on the outer side of one end of the limit rod 312 to provide elastic tension for the limit rod 312. One end of the second spring 313 is fixedly connected to a side wall of the rotating disk 31. The other end of the second spring 313 is fixedly connected to the limit rod 312. A limit groove 234 is provided on the edge of the outer wall of one side of the connecting tube 23 to prevent the rotating disk 31 from rotating. There are multiple limit grooves 234. The other end of the limit rod 312 is movably inserted into the inner side of the limit groove 234. This solution can control the opening and closing of the solenoid valve through manual operation, and can adjust the flow of the solenoid valve, thereby enhancing practicality.

[0027] Reference Figure 1 and Figure 2As shown, specifically, a rectangular cylinder 21 is fixedly provided at the middle of the top surface of the valve body 2, and is used for the lifting plate 24 to move therein. The inner side of the rectangular cylinder 21 is connected with the guide cavity 25. A protective cylinder 22 is fixedly provided at the top of the rectangular cylinder 21, and is used to protect the fixed iron core 222. The inner side of the protective cylinder 22 is connected with the inner side of the rectangular cylinder 21. The protective cylinder 22 includes a cylinder wall 221, and the lower end of the cylinder wall 221 is fixedly connected with the rectangular cylinder 21. A fixed iron core 222 is fixedly provided on the inner wall of the upper end of the cylinder wall 221, and is used for the moving iron core 241 to rise by magnetic attraction. A coil 223 is fixedly provided on the inner side of the cylinder wall 221 (the coil 223 passes through the circuit It is connected to an external power supply and generates electromagnetic force through external power supply control. The circuit is not drawn in the figure. The way in which the coil 223 is connected to the power supply through the circuit belongs to the prior art, so it is not described in detail). A lifting plate 24 is movably inserted on the inner side of the rectangular tube 21 to drive the sealing plate 242 to move up and down. A moving iron core 241 is fixed on the top surface of the lifting plate 24 to drive the lifting plate 24 to move up and down. The moving iron core 241 is located below the fixed iron core 222. This solution can work through electric drive, and electric and manual operations do not affect each other, and can adapt to various working conditions.

[0028] Reference Figure 1 and Figure 2 As shown, specifically, a liquid baffle plate 11 is fixedly provided on the inner wall of the liquid guide tube 1, which is used to cooperate with the sealing plate 242 to block the guide cavity 25. The upper end of the liquid baffle plate 11 is located on the inner side of the guide cavity 25, and a sealing plate 242 is fixedly provided on the lower end of the lifting plate 24, which is used to control the liquid flow in the guide cavity 25. The sealing plate 242 is made of flexible material, and the sealing plate 242 is located above the liquid baffle plate 11. A spring groove 243 is provided in the middle of the bottom surface of the sealing plate 242 to provide elastic pulling force for the sealing plate 242. A first spring 244 is fixedly provided on the top surface of the inner side of the spring groove 243, and the lower end of the first spring 244 is fixedly connected to the top surface of the liquid baffle plate 11. This scheme can adjust the flow through the inner side of the guide cavity 25 by lifting and lowering the sealing plate 242. At the same time, the first spring 244 can make the connection between the sealing plate 242 and the liquid baffle plate 11 tighter, better block the guide cavity 25, and enhance the working effect of the solenoid valve.

[0029] The working principle and use process of this utility model:

[0030] When in use, the coil 223 is energized by an external power supply, the fixed iron core 222 generates magnetic force, attracts the moving iron core 241, and the moving iron core 241 drives the lifting plate 24 to rise, so that the sealing plate 242 rises and separates from the liquid baffle plate 11, and the guide cavity 25 opens, and water can flow through. When the power is off or the power supply is damaged, hold the handle 314 with one hand, push the rotating disk 31, drive the rotating shaft 32 to move, and the rotating shaft 32 drives the gear 33 and the moving cylinder 232 to move to the side of the lifting plate 24, and the gear 33 is meshed with the tooth row 245. Then, the other hand pulls the limiting rod 312 to make one end of the limiting rod 312 disengage from the limiting groove 234, and then the rotating disk 31 is rotated to drive the rotating shaft 32 and the gear 33 to rotate, so that the lifting plate 24 rises, and drives the sealing plate 242 to rise and separate from the liquid baffle plate 11, and then releases the hand pulling the limiting rod 312. The limiting rod 312 is pulled by the elasticity of the second spring 313 and inserted into the inner side of the limiting groove 234 to fix the gear 33 to prevent the gear 33 from continuing to rotate, and the water flow can flow through the diversion cavity 25.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A solenoid valve for industrial instruments, comprising a liquid guide tube (1), characterized in that: A valve body (2) is fixedly inserted into the outer wall of the liquid guiding tube (1), a flow guiding cavity (25) is provided on the inner side of the valve body (2), the flow guiding cavity (25) is communicated with the inner side of the liquid guiding tube (1), a liquid baffle plate (11) is fixedly provided on the inner wall of the liquid guiding tube (1), the upper end of the liquid baffle plate (11) is located on the inner side of the flow guiding cavity (25), a rectangular tube (21) is fixedly provided on the middle part of the top surface of the valve body (2), the inner side of the rectangular tube (21) is communicated with the flow guiding cavity (25), a protective tube (22) is fixedly provided on the top end of the rectangular tube (21), the protective tube (22) is fixedly provided on the upper end of the rectangular tube (21), The inner side of the protective tube (22) is connected to the inner side of the rectangular tube (21); the protective tube (22) comprises a tube wall (221); the lower end of the tube wall (221) is fixedly connected to the rectangular tube (21); a fixed iron core (222) is fixedly provided on the inner wall of the upper end of the tube wall (221); a coil (223) is fixedly provided on the inner side of the tube wall (221); a lifting plate (24) is movably inserted into the inner side of the rectangular tube (21); a moving iron core (241) is fixedly provided on the top surface of the lifting plate (24); the moving iron core (241) is located between the fixed iron core (222) and the inner side of the rectangular tube (21); 222), a sealing plate (242) is fixedly provided at the lower end of the lifting plate (24), the sealing plate (242) is located above the liquid baffle plate (11), a tooth row (245) is fixedly provided at the edge of one side wall of the lifting plate (24), a connecting tube (23) is fixedly provided on the outer wall of one side of the rectangular tube (21), a moving hole (231) is provided in the middle of the inner wall of one side of the connecting tube (23), a moving tube (232) is movably sleeved on the inner side of the connecting tube (23), and an adjustment component is movably inserted on the inner side of the moving tube (232) (3), the adjustment component (3) comprises a rotating disk (31), a rotating shaft (32) and a gear (33), one end of the rotating shaft (32) is movably inserted into the inner side of the moving cylinder (232), and the other end of the rotating shaft (32) is movably inserted into the inner side of the moving hole (231), one end of the rotating shaft (32) is fixedly provided with a gear (33), and the gear (33) is meshed with a gear row (245), and the other end of the rotating shaft (32) is fixedly provided with a rotating disk (31), and the rotating disk (31) is located on one side of the connecting cylinder (23).

2. The solenoid valve for industrial instrumentation according to claim 1, characterized in that: A handle (314) is fixedly provided on the edge of one side wall of the rotating disk (31), and an insertion hole (311) is provided on the other side of the one side wall of the rotating disk (31). A limit rod (312) is movably inserted inside the insertion hole (311), and the limit rod (312) is located above the handle (314). A second spring (313) is movably sleeved on the outer side of one end of the limit rod (312), and one end of the second spring (313) is fixedly connected to the one side wall of the rotating disk (31), and the other end of the second spring (313) is fixedly connected to the limit rod (312).

3. The solenoid valve for industrial instrumentation according to claim 2, characterized in that: A limiting groove (234) is provided on the edge of the outer wall of one side of the connecting tube (23), and the other end of the limiting rod (312) is movably inserted into the inner side of the limiting groove (234).

4. The solenoid valve for industrial instrumentation according to claim 3, characterized in that: A sliding groove (236) is provided on the inner wall of one end of the connecting cylinder (23), and a sliding block (235) is fixedly provided on the outer wall of one end of the moving cylinder (232), wherein the sliding block (235) is located inside the sliding groove (236).

5. The solenoid valve for industrial instrumentation according to claim 4, characterized in that: A rotation groove (233) is provided on the inner wall of one end of the moving cylinder (232), and a limiting ring (321) is fixedly sleeved on the outer wall of the rotating shaft (32), and the limiting ring (321) is movably sleeved on the inner side of the rotation groove (233).

6. The solenoid valve for industrial instrumentation according to claim 5, characterized in that: A spring groove (243) is provided in the middle of the bottom surface of the sealing plate (242), a first spring (244) is fixedly provided on the inner top surface of the spring groove (243), and the lower end of the first spring (244) is fixedly connected to the top surface of the liquid baffle plate (11).

7. The solenoid valve for industrial instrumentation according to claim 6, characterized in that: The inner dimensions of the connecting cylinder (23) match the dimensions of the moving cylinder (232), and the inner dimensions of the moving cylinder (232) match the dimensions of the rotating shaft (32).

8. The solenoid valve for industrial instrumentation according to claim 7, characterized in that: The limiting grooves (234) are provided in plurality, and the sealing plate (242) is made of a flexible material.

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