High-pressure electromagnetic valve body

Abstract

The utility model discloses a high pressure solenoid valve body, relates to solenoid valve technical field, the solenoid valve body includes valve tube and valve head symmetrically arranged at the both ends of said valve tube, also includes fluid channel subassembly, piston subassembly, pilot hole subassembly and solenoid subassembly, wherein: the inner wall of said valve head is equipped with screw thread, the inner wall of said valve tube is symmetrically equipped with reinforcing cross bar. According to the utility model, fluid enters from the pilot hole to fill the cavity above the pressure disc, so that the upper pressure and the lower pressure of the pressure disc are equal, thereby avoiding insufficient sealing of the piston caused by the fact that the piston is driven to move upwards because the pressure disc is extruded by overlarge fluid pressure, and enhancing the loading capacity of the piston; the piston groove of the device is fixedly connected with the inner wall of the valve pipe through the reinforcing vertical rod and the reinforcing transverse rod, so that the internal stability of the valve pipe is better, the pressure bearing capacity is higher, meanwhile, the piston is limited on the reinforcing vertical rod in the horizontal direction through the reinforcing ring, the fluid impact force borne by the piston is reduced, and the pressure bearing capacity of the piston is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic valve technology, specifically a high-pressure electromagnetic valve body. Background Technology

[0002] High-pressure solenoid valves control the movement of the valve core through electromagnetic force, thereby realizing the flow of fluid or switching. Therefore, they must withstand the pressure brought by the fluid flow during use. If the pressure-bearing capacity of the solenoid valve body is insufficient, leakage, deformation or even rupture may occur under high pressure. Existing high-pressure solenoid valve bodies mainly rely on sealing rings and sealing tapes for sealing. However, under high pressure, the existing sealing structure has insufficient sealing performance, and there is no reinforced connection structure between the valve and the valve body inside, resulting in weak pressure-bearing capacity inside the valve body. Utility Model Content

[0003] This invention provides a high-pressure solenoid valve body, which has the advantage of enhancing the pressure resistance of the valve and valve body, thereby solving the problem of weak internal pressure bearing capacity of existing valve bodies.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a high-pressure solenoid valve body, comprising a valve tube and valve heads symmetrically disposed at both ends of the valve tube, and further comprising a fluid channel assembly, a piston assembly, a pilot port assembly, and an electromagnetic assembly, wherein:

[0005] The valve head has threads on its inner wall, and the valve tube has symmetrical reinforcing crossbars on its inner wall;

[0006] The fluid channel assembly includes a piston groove, a baffle plate is fixedly connected to one side of the piston groove, the baffle plate is welded to the inner wall of the valve pipe, and a water outlet is provided on one side of the baffle plate, which communicates with the piston groove.

[0007] The piston groove is fixedly provided with several reinforcing vertical rods, which are fixedly connected to reinforcing horizontal rods. The piston assembly includes a piston, and the bottom surface of the piston is provided with a rubber shaft. A piston sealing ring is nested on the outside of the rubber shaft. A reinforcing ring is fixed on the outer side of the piston, and the reinforcing ring is nested on the outside of the reinforcing vertical rods and slides up and down.

[0008] As a preferred embodiment of this utility model, the outer side of the piston is provided with a pressure plate, the top surface of the piston is provided with a groove, a spring is fitted into the groove, the top surface of the spring abuts against the bottom surface of the valve cover, and the pressure plate passes through the valve tube and is slidably engaged.

[0009] As a preferred technical solution of this utility model, a receiving pipe is welded to the top surface of the valve pipe, and a screw sleeve and a flow guide head are provided around the receiving pipe. The pilot hole assembly includes a pilot hole, which is located on the inner wall of the valve pipe and is connected to the flow guide head.

[0010] As a preferred technical solution of this utility model, the top surface of the valve cover is provided with a circular groove, the bottom surface of the circular groove is provided with a plurality of through holes, the through holes are connected to the flow guide head, the middle part of the bottom surface of the circular groove is provided with a flow guide groove, the flow guide groove is connected to the flow guide pipe, and the flow guide pipe is provided on the bottom surface of the valve cover.

[0011] As a preferred embodiment of this utility model, the valve cover is locked with screws and screw sleeves, the guide tube is fitted into the edge of the receiving tube, the outer side of the edge of the receiving tube is connected to a water outlet pipe, and the water outlet pipe is connected to the water outlet hole.

[0012] In a preferred embodiment of this invention, the rubber shaft and piston sealing ring are embedded in the piston groove, and the electromagnetic assembly includes a solenoid valve coil, which is connected to the valve stem.

[0013] As a preferred embodiment of this utility model, the valve stem is fitted with the moving iron core and slides in fit, one end of the moving iron core is provided with a sealing head, the sealing head is fitted with the guide groove, and the valve stem is locked to the inner wall of the circular groove by threads.

[0014] Compared with the prior art, this utility model provides a high-pressure solenoid valve body with the following beneficial effects: By allowing fluid to enter the cavity above the pressure plate through the pilot hole, this utility model ensures that the pressure plate is filled with equal pressure, thereby avoiding excessive fluid pressure that could cause the piston to be driven upward and result in insufficient piston sealing, thus enhancing the piston's pressure-bearing capacity; the piston groove of this device is fixedly connected to the inner wall of the valve tube by reinforcing vertical rods and reinforcing horizontal rods, making the internal stability of the valve tube better and the pressure-bearing capacity stronger. At the same time, the piston is limited horizontally by reinforcing rings on the reinforcing vertical rods, reducing the fluid impact force on the piston and enhancing the piston's pressure-bearing capacity. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a structural diagram of the valve tube of this utility model;

[0017] Figure 3 This is a schematic diagram of the fluid channel assembly structure of this utility model;

[0018] Figure 4 This is a structural diagram of the piston assembly of this utility model;

[0019] Figure 5 This is a schematic diagram of the pilot hole assembly structure of this utility model;

[0020] Figure 6 This is a structural diagram of the electromagnetic component of this utility model.

[0021] In the diagram: 1. Valve pipe; 11. Reinforcing crossbar; 12. Reinforcing vertical bar; 13. Receiving pipe; 14. Screw sleeve; 2. Valve head; 21. Thread; 3. Fluid channel assembly; 31. Piston groove; 32. Barrier plate; 33. Water outlet; 4. Piston assembly; 41. Piston; 42. Rubber shaft; 43. Piston sealing ring; 44. Reinforcing ring; 45. Pressure plate; 46. Groove; 47. Spring; 5. Pilot hole assembly; 51. Valve cover; 511. Circular groove; 52. Pilot hole; 53. Guide head; 54. Perforation; 55. Guide groove; 56. Guide pipe; 57. Water outlet pipe; 6. Electromagnetic assembly; 61. Electromagnetic valve coil; 62. Valve stem; 63. Moving iron core; 64. Sealing head. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figures 1-6 This utility model discloses a high-pressure solenoid valve body, including a valve tube 1 and valve heads 2 symmetrically arranged at both ends of the valve tube 1. Its characteristic is that it further includes a fluid channel assembly 3, a piston assembly 4, a pilot hole assembly 5, and an electromagnetic assembly 6, wherein:

[0025] The inner wall of the valve head 2 is provided with threads 21, and the inner wall of the valve pipe 1 is provided with symmetrical reinforcing crossbars 11;

[0026] Please refer to the appendix. Figure 3 The fluid channel assembly 3 includes a piston groove 31, a baffle plate 32 is fixedly connected to one side of the piston groove 31, the baffle plate 32 is welded to the inner wall of the valve pipe 1, and a water outlet 33 is provided on one side of the baffle plate 32. The water outlet 33 communicates with the piston groove 31. Specifically, when the piston groove 31 is in passage, the fluid enters the piston groove 31 from the valve pipe 1 and finally exits from the water outlet 33.

[0027] Please refer to the appendix. Figure 4 A number of reinforcing vertical rods 12 are fixedly provided on the top surface of the piston groove 31. The reinforcing vertical rods 12 are fixedly connected to the reinforcing horizontal rods 11. The piston assembly 4 includes a piston 41. A rubber shaft 42 is provided on the bottom surface of the piston 41. A piston sealing ring 43 is nested on the outside of the rubber shaft 42. A reinforcing ring 44 is fixed on the outer side of the piston 41. The reinforcing ring 44 is nested on the outside of the reinforcing vertical rods 12 and slides up and down. The double seal of the rubber shaft 42 and the piston sealing ring 43 makes the sealing effect between the piston 41 and the piston groove 31 stronger, thereby enhancing the pressure bearing capacity of the piston 41.

[0028] The piston 41 has a pressure plate 45 on its outer side and a groove 46 on its top surface. A spring 47 is fitted into the groove 46. The top surface of the spring 47 abuts against the bottom surface of the valve cover 51. The pressure plate 45 passes through the valve tube 1 and is slidably engaged.

[0029] In this embodiment, the piston groove 31 is fixedly connected to the inner wall of the valve tube 1 by the reinforcing vertical rod 12 and the reinforcing horizontal rod 11, which makes the internal stability of the valve tube 1 better and the pressure bearing capacity stronger. At the same time, the piston 41 is limited to the reinforcing vertical rod 12 in the horizontal direction by the reinforcing ring 44, which reduces the fluid impact force on the piston 41 and enhances the pressure bearing capacity of the piston 41.

[0030] Example 2

[0031] Based on the above embodiment 1, please refer to the appendix. Figure 2 , Figure 5 as well as Figure 6 The valve pipe 1 has a receiving pipe 13 welded to its top surface. The receiving pipe 13 is surrounded by screw sleeves 14 and flow guides 53. The pilot hole assembly 5 includes a pilot hole 52, which is located on the inner wall of the valve pipe 1 and is connected to the flow guide 53.

[0032] The top surface of the valve cover 51 is provided with a circular groove 511, and the bottom surface of the circular groove 511 is provided with several through holes 54. The through holes 54 are connected to the guide head 53. The middle part of the bottom surface of the circular groove 511 is provided with a guide groove 55, which is connected to the guide pipe 56. The guide pipe 56 is located on the bottom surface of the valve cover 51. Specifically, when the solenoid valve is not opened, the fluid enters the through holes 54 from the guide head 53 and fills the upper cavity of the pressure plate 45, thereby reducing the water pressure on the pressure plate 45 and improving the pressure resistance effect.

[0033] The valve cover 51 is locked with screws and screw sleeves 14. The guide pipe 56 is fitted into the edge of the receiving pipe 13. The outer side of the edge of the receiving pipe 13 is connected to the outlet pipe 57. The outlet pipe 57 is connected to the outlet hole 33. Specifically, when the solenoid valve is opened, the fluid flows from the guide pipe 56 into the outlet pipe 57 and finally exits from the outlet hole 33.

[0034] The rubber shaft 42 and piston seal ring 43 are embedded in the piston groove 31. The electromagnetic component 6 includes a solenoid valve coil 61, which is connected to the valve stem 62.

[0035] The valve stem 62 is fitted into the moving iron core 63 and slides together. One end of the moving iron core 63 is provided with a sealing head 64, which is fitted into the guide groove 55. The valve stem 62 is locked to the inner wall of the circular groove 511 by the thread 21.

[0036] In this embodiment, the electromagnetic coil 61 generates magnetic force to attract the moving iron core 63 inside the valve stem 62 to move upward, thereby driving the sealing head 64 to move out of the guide groove 55. Then, the fluid enters the guide groove 55, passes through the guide pipe 56 and enters the water outlet pipe 57, and finally is discharged from the water outlet hole 33.

[0037] The working principle and usage process of this utility model are as follows: First, when the electromagnetic coil 61 is not energized, the fluid enters the valve tube 1 through the valve head 2 and is blocked by the piston 41 and the blocking plate 32, preventing water from flowing through. At the same time, the fluid flows from the pilot hole 52 through the guide head 53 to the through hole 54, thereby filling the cavity above the pressure plate 45, making the pressure plate 45 have equal pressure on the top and bottom, thus avoiding excessive fluid pressure from squeezing the pressure plate 45, causing the piston 41 to be driven upward and resulting in insufficient piston sealing.

[0038] When the electromagnetic coil 61 is energized, the electromagnetic coil 61 generates a magnetic force that attracts the moving iron core 63 inside the valve stem 62 to move upward, thereby driving the sealing head 64 to move out of the guide groove 55. Then the fluid enters the guide groove 55 and flows through the guide pipe 56 into the outlet pipe 57, and finally is discharged from the outlet hole 33. This causes the fluid above the pressure plate 45 to be discharged and the pressure to decrease, forming a pressure difference with the pressure plate below the pressure plate 45. The fluid squeezes the pressure plate 45 upward and causes displacement. The pressure plate 45 drives the piston 41 to move upward and drives the rubber shaft 42 and piston sealing ring 43 to move out of the piston groove 31, thereby allowing the fluid to enter the piston groove 31 and be discharged from the outlet hole 33 to form a passage.

[0039] Finally, after the electromagnetic coil 61 is turned off, the piston 41 re-fits into the piston groove 31 under its own weight and the elastic force of the spring 47 to form a closure. The piston groove 31 is fixedly connected to the inner wall of the valve tube 1 through the reinforcing vertical rod 12 and the reinforcing horizontal rod 11, which makes the internal stability of the valve tube 1 better and the pressure bearing capacity stronger. At the same time, the piston 41 is limited in the horizontal direction by the reinforcing ring 44 on the reinforcing vertical rod 12, which reduces the fluid impact force on the piston 41 and enhances the pressure bearing capacity of the piston 41.

Claims

1. A high-pressure solenoid valve body, comprising a valve tube (1) and valve heads (2) symmetrically disposed at both ends of the valve tube (1), characterized in that, It also includes a fluid channel assembly (3), a piston assembly (4), a pilot orifice assembly (5), and an electromagnetic assembly (6), wherein: The valve head (2) has a thread (21) on its inner wall, and the valve tube (1) has a reinforcing crossbar (11) symmetrically arranged on its inner wall; The fluid channel assembly (3) includes a piston groove (31), a baffle plate (32) is fixedly connected to one side of the piston groove (31), the baffle plate (32) is welded to the inner wall of the valve pipe (1), and a water outlet hole (33) is provided on one side of the baffle plate (32), the water outlet hole (33) is connected to the piston groove (31). The piston groove (31) is fixedly provided with a plurality of reinforcing vertical rods (12), the reinforcing vertical rods (12) are fixedly connected to the reinforcing horizontal rods (11), the piston assembly (4) includes a piston (41), the bottom surface of the piston (41) is provided with a rubber shaft (42), a piston sealing ring (43) is nested on the outside of the rubber shaft (42), and a reinforcing ring (44) is fixed on the outer side of the piston (41), the reinforcing ring (44) is nested on the outside of the reinforcing vertical rods (12) and slides up and down.

2. The high-pressure solenoid valve body according to claim 1, characterized in that: The piston (41) has a pressure plate (45) on its outer side and a groove (46) on its top surface. A spring (47) is fitted into the groove (46). The top surface of the spring (47) abuts against the bottom surface of the valve cover (51). The pressure plate (45) passes through the valve tube (1) and is slidably engaged.

3. A high-pressure solenoid valve body according to claim 2, characterized in that: The valve tube (1) is welded with a receiving tube (13) on its top surface. The receiving tube (13) is provided with a screw sleeve (14) and a flow guide head (53) around its perimeter. The pilot hole assembly (5) includes a pilot hole (52), which is located on the inner wall of the valve tube (1) and is connected to the flow guide head (53).

4. A high-pressure solenoid valve body according to claim 3, characterized in that: The valve cover (51) has a circular groove (511) on its top surface and a plurality of through holes (54) on its bottom surface. The through holes (54) are connected to the flow guide head (53). The flow guide groove (55) is provided in the middle of the bottom surface of the circular groove (511). The flow guide groove (55) is connected to the flow guide pipe (56). The flow guide pipe (56) is located on the bottom surface of the valve cover (51).

5. A high-pressure solenoid valve body according to claim 4, characterized in that: The valve cover (51) is locked with screws and screw sleeves (14). The guide pipe (56) is fitted into the edge of the receiving pipe (13). The outer side of the edge of the receiving pipe (13) is connected to the water outlet pipe (57). The water outlet pipe (57) is connected to the water outlet hole (33).

6. A high-pressure solenoid valve body according to claim 1, characterized in that: The rubber shaft (42) and piston seal (43) are embedded in the piston groove (31), and the electromagnetic assembly (6) includes a solenoid valve coil (61), which is connected to the valve stem (62).

7. A high-pressure solenoid valve body according to claim 6, characterized in that: The valve stem (62) is fitted with the moving iron core (63) and slides in fit. One end of the moving iron core (63) is provided with a sealing head (64). The sealing head (64) is fitted with the guide groove (55). The valve stem (62) is locked to the inner wall of the circular groove (511) by a thread (21).

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