Multi-way electromagnetic valve

Abstract

The utility model discloses a multi-way electromagnetic valve which comprises a valve body, a main flow channel is arranged in the valve body in the transverse direction, and at least one inlet flow channel communicated with the main flow channel and at least one outlet flow channel communicated with the main flow channel are arranged on the valve body in the extending direction corresponding to the main flow channel. The valve body is further provided with electromagnetic valves which are equivalent to the outlet flow channels in number and used for opening or closing the outlet flow channels. The main flow channel is arranged on the side portion of the valve body, the other end, corresponding to the outlet flow channel, of the valve body is provided with an installation base, a flow dividing cavity is formed in the installation base, a flow dividing opening is formed between the flow dividing cavity and the main flow channel, and the position, corresponding to the inner end of the outlet flow channel, of the valve body is further provided with an annular sealing base extending into the flow dividing cavity. And the electromagnetic valves are mounted on the corresponding mounting base parts and are used for blocking or conducting the annular sealing seats. According to the utility model, the whole thickness is smaller, the space limitation during packaging or installation is smaller, the integrated structural design is more reliable, and the service life is longer. And the production efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation equipment, in particular to a multi-way electromagnetic valve. Background Art

[0002] In the current intelligent irrigation system, in order to facilitate the implementation of multi-way irrigation, a solenoid valve with one water inlet and multiple water outlets, such as a three-way or five-way solenoid valve, is generally installed on the water source. The multi-way solenoid valve on the market now has the following disadvantages: the solenoid valve, water inlet and water outlet of the multi-way solenoid valve are not reasonably arranged in position, and the installation direction of the solenoid valve is set at 90° to the extension direction of the water outlet, resulting in a large overall thickness and a large space limitation during packaging or installation. Utility Model Content

[0003] The purpose of the utility model is to provide a multi-way solenoid valve. The utility model is not only thinner in overall thickness and less limited by space during packaging or installation, but also has a more reliable integrated structural design, a longer service life and higher production efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-way solenoid valve, including a valve body, a main flow channel is arranged in the transverse direction of the valve body, at least one inlet flow channel connected to the main flow channel and at least one outlet flow channel connected to the main flow channel are arranged on the valve body in the extension direction corresponding to the main flow channel, and the valve body is also provided with solenoid valves whose number is equivalent to the outlet flow channels and are used to open or close the outlet flow channels; the valve body is an integrated structure, the main flow channel is arranged on the side of the valve body, and a mounting base is arranged on the other end of the valve body corresponding to the outlet flow channel, a diversion chamber is formed in the mounting base, the main flow channel, the inlet flow channel, the outlet flow channel and the diversion chamber are integrally injection molded, a diversion port is arranged between the diversion chamber and the main flow channel, and an annular sealing seat extending into the diversion chamber is also arranged at the position of the inner end of the valve body corresponding to the outlet flow channel, and the solenoid valve is mounted on the corresponding mounting base to block or conduct the annular sealing seat.

[0005] By adopting the above technical solution, a structure in which the solenoid valve and the outlet flow channel are arranged on the same vertical plane can be realized. Compared with the prior art in which the two form a 90° L-shaped structure, the overall thickness of this solution is thinner and is less limited by space during packaging or installation.

[0006] The utility model is further configured such that the number of the main flow channels is two, the two main flow channels are respectively arranged on the front and rear sides of the valve body, the inlet flow channel is connected with the two main flow channels, and the two sides of the diversion chamber are respectively connected with the corresponding main flow channels through a diversion port.

[0007] By adopting the above technical solution, a larger water supply flow rate can be guaranteed, avoiding the situation where the water output of each outlet flow channel decreases due to the opening of multiple outlet flow channels.

[0008] The utility model is further configured that the inlet flow channel and the outlet flow channel are both arranged vertically, and the inlet flow channel and the outlet flow channel are arranged on the same side of the shell, or are respectively arranged on the upper and lower sides of the shell.

[0009] By adopting the above technical solution, the valve body, the inlet flow channel, the solenoid valve and the outlet flow channel are approximately arranged on the same plane, which further reduces the overall thickness and is more conducive to production packaging and subsequent installation and use.

[0010] The utility model is further configured that one end of the main channel is provided with a process hole, and a threaded plug is threadedly connected to the process hole.

[0011] By adopting the above technical solution, the integral injection molding of the valve body is facilitated, and the finished product structure is more reliable and has a longer service life.

[0012] The utility model is further configured as follows: the solenoid valve includes a mounting seat, an electromagnetic drive assembly, a diaphragm and a pre-tensioning spring, the mounting seat being connected to the upper end of the mounting base through a fastener, the outer edge of the diaphragm being clamped between the mounting seat and the mounting base, a guide rod being provided at the lower end of the mounting seat, a guide hole being provided on the diaphragm for the guide rod to pass through, the pre-tensioning spring being sleeved on the outer periphery of the guide rod for pressing the diaphragm tightly against the upper end of the annular sealing seat, and a middle cavity being formed between the diaphragm and the mounting seat, a first through hole being provided on the diaphragm for connecting the diverter chamber with the middle cavity, an upper cavity being provided at the upper end of the mounting seat, a plurality of second through holes being provided on the mounting seat for connecting the middle cavity with the upper cavity, a third through hole being provided on the guide rod for connecting the upper cavity with the inside of the diverter chamber, and the electromagnetic drive assembly being installed on the mounting seat for opening or closing the third through hole.

[0013] By adopting the above technical solution, the opening and closing of the valve is achieved by changing the fluid pressure difference, which has the advantages of faster response speed, stronger adaptability and lower energy consumption.

[0014] The utility model is further configured as follows: the electromagnetic drive component includes a frame installed on a mounting seat, a coil wound around the outer circumference of the frame, an iron core slidably arranged at the center of the frame along the axial direction, a compression spring acting axially on the iron core, and a sealing plug arranged at the lower end of the iron core. When the coil is powered off, the iron core moves downward under the action of the compression spring and causes the plug to block the third through hole. When the coil is powered on, the iron core moves upward and drives the plug to leave the upper end of the third through hole.

[0015] By adopting the above technical solution, the valve opening and closing is realized through the electromagnetic drive component, the structure is simple and reliable, and the response speed is fast.

[0016] The utility model is further configured such that a plurality of elastic barb portions which can shrink and deform inwardly are provided at the lower end of the guide rod, a limiting step is formed between the elastic barb portions and the guide rod, a supporting ring is sleeved on the outer periphery of the plurality of elastic barb portions, and the elastic barb portions press the supporting ring against the bottom of the limiting step; when the solenoid valve is closed, the diaphragm is pressed against the annular sealing seat and the upper end of the supporting ring at the same time.

[0017] By adopting the above technical solution, the support ring can support the diaphragm, which can not only improve the service life of the diaphragm, but also prevent the middle part of the diaphragm from being excessively deformed by pressure and causing leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 A cross-sectional view of the utility model as a whole;

[0020] Figure 3 It is a structural schematic diagram of the solenoid valve of the utility model.

[0021] In the figure: 1. valve body; 2. main flow channel; 3. inlet flow channel; 4. outlet flow channel; 5. solenoid valve; 6. mounting base; 7. diversion chamber; 8. diversion port; 9. annular sealing seat; 10. process hole; 11. threaded plug; 12. mounting seat; 13. electromagnetic drive assembly; 14. diaphragm; 15. preload spring; 16. guide rod; 17. guide hole; 18. middle cavity; 19. first through hole; 20. upper cavity; 21. second through hole; 22. third through hole; 23. skeleton; 24. coil; 25. iron core; 26. compression spring; 27. sealing plug; 28. elastic barb; 29. ​​limiting step; 30. support ring. DETAILED DESCRIPTION

[0022] 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.

[0023] Example: As attached Figures 1 to 3A multi-way solenoid valve shown in the figure comprises a valve body 1, wherein a main flow channel 2 is arranged in the transverse direction of the valve body 1, and at least one inlet flow channel 3 connected to the main flow channel 2 and at least one outlet flow channel 4 connected to the main flow channel 2 are arranged on the valve body 1 in the extension direction corresponding to the main flow channel 2, and the valve body 1 is also provided with a number of solenoid valves 5 which are equal to the number of the outlet flow channels 4 and are used to open or close the outlet flow channels 4, and the solenoid valves 5 can also be other opening and closing components, such as electric gate valves, electric ball valves or electric stop valves; the valve body 1 is an integrated structure, and the main flow channel 2 is arranged On the side of the valve body 1, a mounting base 6 is provided on the other end of the valve body 1 corresponding to the outlet flow channel 4. The mounting base 6 and the valve body 1 are an integral structure. A diversion chamber 7 is formed in the mounting base 6. The main flow channel 2, the inlet flow channel 3, the outlet flow channel 4 and the diversion chamber 7 are integrally injection molded. A diversion port 8 is provided between the diversion chamber 7 and the main flow channel 2. The position of the valve body 1 corresponding to the inner end of the outlet flow channel 4 is also provided with an annular sealing seat 9 extending into the diversion chamber 7. The solenoid valve 5 is installed on the corresponding mounting base 6 to block or conduct the annular sealing seat 9. This embodiment adopts a one-in-four-out structure, that is, one inlet flow channel 3, four outlet flow channels 4, and four solenoid valves 5 are also configured. This design can realize a structure in which the solenoid valve 5 and the outlet flow channel 4 are arranged on the same vertical plane. Compared with the prior art in which the two form a 90° L-shaped structure, the overall thickness of this solution is thinner and is less limited by space during packaging or installation.

[0024] As attached Figure 1 As shown, there are two main flow channels 2, and the two main flow channels 2 are arranged in parallel, and the two main flow channels 2 are respectively arranged on the front and rear sides of the valve body 1, the inlet flow channel 3 is connected with the two main flow channels 2, and the two sides of the diversion chamber 7 are respectively connected with the corresponding main flow channels 2 through a diversion port 8. This design can ensure a larger water supply flow rate and avoid the situation where the water output of each outlet flow channel 4 decreases due to the opening of multiple outlet flow channels 4.

[0025] That is, the inlet flow channel 3 and the main flow channel 2 are arranged in a multi-way T-shape, and the main flow channel 2 and the outlet flow channel 4 are arranged in a multi-way T-shape.

[0026] As attached Figure 1 As shown, the inlet flow channel 3 and the outlet flow channel 4 are both arranged vertically, and the inlet flow channel 3 and the outlet flow channel 4 are arranged on the same side of the shell, or respectively arranged on the upper and lower sides of the shell. In this embodiment, the inlet flow channel 3 and the four solenoid valves 5 are arranged on the upper side of the valve body 1, and two solenoid valves 5 are respectively arranged on both sides of the inlet flow channel 3, and the outlet flow channel 4 is arranged on the lower side of the valve body 1. The valve body 1, the inlet flow channel 3, the solenoid valve 5 and the outlet flow channel 4 are approximately arranged on the same plane, which further reduces the overall thickness and is more conducive to production packaging and later installation and use.

[0027] As attached Figure 1 As shown, one end of the main channel 2 is provided with a process hole 10, and a threaded plug 11 is threadedly connected to the process hole 10, that is, the process hole 10 has an internal thread, and the outer periphery of the threaded plug 11 has an external thread matching the internal thread. This design is conducive to the integral injection molding of the valve body 1, and the finished product structure is more reliable and has a longer service life.

[0028] As attached Figure 3 As shown, the solenoid valve 5 includes a mounting seat 12, an electromagnetic drive assembly 13, a diaphragm 14 and a preload spring 15. The mounting seat 12 is connected to the upper end of the mounting base 6 by a fastener. The outer edge of the diaphragm 14 is clamped between the mounting seat 12 and the mounting base 6. A plurality of hollow grooves are arranged on the upper end of the diaphragm 14, which can not only reduce the weight of accessories and the use of raw materials, but also improve the quality of the overall diaphragm 14 when filled with water. A guide rod 16 is arranged at the lower end of the mounting seat 12, and a guide hole 17 for the guide rod 16 to pass through is provided on the diaphragm 14. The preload spring 15 is sleeved on the outer periphery of the guide rod 16 for the diaphragm The film 14 is pressed against the upper end of the annular sealing seat 9, and a middle cavity 18 is formed between the diaphragm 14 and the mounting seat 12. The diaphragm 14 is provided with a first through hole 19 connecting the diverter chamber 7 with the middle cavity 18. The upper end of the mounting seat 12 is provided with an upper cavity 20. The mounting seat 12 is provided with a plurality of second through holes 21 for connecting the middle cavity 18 with the upper cavity 20. The guide rod 16 is provided with a third through hole 22 for connecting the upper cavity 20 with the inside of the diverter chamber 7. The electromagnetic drive assembly 13 is installed on the mounting seat 12 for opening or closing the third through hole 22. The valve is opened and closed by changing the fluid pressure difference, which has the advantages of faster response speed, stronger adaptability and lower energy consumption.

[0029] As attached Figure 3 As shown, the electromagnetic drive assembly 13 includes a frame 23 mounted on the mounting seat 12, a coil 24 wound around the outer periphery of the frame 23, an iron core 25 slidably arranged at the center of the frame 23 along the axial direction, a compression spring 26 acting on the iron core 25 along the axial direction, and a sealing plug 27 arranged at the lower end of the iron core 25. When the coil 24 is powered off, the iron core 25 moves downward under the action of the compression spring 26 and causes the plug to block the third through hole 22. When the coil 24 is powered on, the iron core 25 moves upward and drives the plug to leave the upper end of the third through hole 22. The electromagnetic drive assembly 13 is used to realize valve opening and closing, and the structure is simple and reliable, and the response speed is fast.

[0030] The coil 24 of the solenoid valve 5 is installed in a direction vertical to the outlet flow channel 4 thereof.

[0031] As attached Figure 3As shown, the lower end of the guide rod 16 is provided with a plurality of elastic barbs 28 that can shrink and deform inward, a limiting step 29 is formed between the elastic barbs 28 and the guide rod 16, and a support ring 30 is sleeved on the outer periphery of the plurality of elastic barbs 28, and the elastic barbs 28 press the support ring 30 against the bottom of the limiting step 29; when the solenoid valve 5 is closed, the diaphragm 14 is pressed against the annular sealing seat 9 and the upper end of the support ring 30 at the same time. The support ring 30 can support the diaphragm 14, which can not only improve the service life of the diaphragm 14, but also prevent the middle part of the diaphragm 14 from excessively deforming under pressure and causing leakage.

Claims

1. A multi-way electromagnetic valve, comprising a valve body (1), wherein a main flow channel (2) is arranged in a transverse direction in the valve body (1), and at least one inlet flow channel (3) connected to the main flow channel (2) and at least one outlet flow channel (4) connected to the main flow channel (2) are arranged on the valve body (1) in an extending direction corresponding to the main flow channel (2), and the valve body (1) is also provided with electromagnetic valves (5) whose number is equal to that of the outlet flow channels (4) and are used to open or close the outlet flow channels (4); characterized in that: The valve body (1) is an integrated structure, the main flow channel (2) is arranged on the side of the valve body (1), the other end of the valve body (1) corresponding to the outlet flow channel (4) is provided with a mounting base (6), a diversion chamber (7) is formed in the mounting base (6), the main flow channel (2), the inlet flow channel (3), the outlet flow channel (4) and the diversion chamber (7) are integrally injection molded, a diversion port (8) is provided between the diversion chamber (7) and the main flow channel (2), the position of the valve body (1) corresponding to the inner end of the outlet flow channel (4) is also provided with an annular sealing seat (9) extending into the diversion chamber (7), and the solenoid valve (5) is mounted on the corresponding mounting base (6) to block or conduct the annular sealing seat (9).

2. A multi-way solenoid valve according to claim 1, characterized in that: The number of the main flow channels (2) is two, and the two main flow channels (2) are respectively arranged on the front and rear sides of the valve body (1), the inlet flow channel (3) is connected to the two main flow channels (2), and the two sides of the diversion chamber (7) are respectively connected to the corresponding main flow channels (2) through a diversion port (8).

3. A multi-way solenoid valve according to claim 1, characterized in that: The inlet flow channel (3) and the outlet flow channel (4) are both arranged vertically, and the inlet flow channel (3) and the outlet flow channel (4) are arranged on the same side of the shell, or are respectively arranged on the upper and lower sides of the shell.

4. A multi-way solenoid valve according to claim 1, characterized in that: A process hole (10) is provided at one end of the main flow channel (2), and a threaded plug (11) is threadedly connected to the process hole (10).

5. The multi-way solenoid valve according to claim 1, characterized in that: The solenoid valve (5) comprises a mounting seat (12), an electromagnetic drive assembly (13), a diaphragm (14) and a preload spring (15); the mounting seat (12) is connected to the upper end of the mounting base (6) by means of a fastener; the outer edge of the diaphragm (14) is clamped between the mounting seat (12) and the mounting base (6); a guide rod (16) is provided at the lower end of the mounting seat (12); a guide hole (17) is provided on the diaphragm (14) for the guide rod (16) to pass through; the preload spring (15) is sleeved on the outer periphery of the guide rod (16) for pressing the diaphragm (14) against the upper end of the annular sealing seat (9); and the diaphragm (14) A middle cavity (18) is formed between the diaphragm (14) and the mounting seat (12); a first through hole (19) is provided on the diaphragm (14) for connecting the diverter chamber (7) with the middle cavity (18); an upper cavity (20) is provided at the upper end of the mounting seat (12); a plurality of second through holes (21) are provided on the mounting seat (12) for connecting the middle cavity (18) with the upper cavity (20); a third through hole (22) is provided on the guide rod (16) for connecting the upper cavity (20) with the interior of the diverter chamber (7); and the electromagnetic drive component (13) is mounted on the mounting seat (12) for opening or closing the third through hole (22).

6. A multi-way solenoid valve according to claim 5, characterized in that: The electromagnetic drive assembly (13) comprises a frame (23) mounted on a mounting seat (12), a coil (24) wound around the outer periphery of the frame (23), an iron core (25) slidably arranged at the center of the frame (23) in the axial direction, a compression spring (26) acting on the iron core (25) in the axial direction, and a sealing plug (27) arranged at the lower end of the iron core (25); when the coil (24) is powered off, the iron core (25) moves downward under the action of the compression spring (26) and causes the plug to block the third through hole (22); when the coil (24) is powered on, the iron core (25) moves upward and drives the plug to leave the upper end of the third through hole (22).

7. A multi-way solenoid valve according to claim 5, characterized in that: The lower end of the guide rod (16) is provided with a plurality of elastic barb parts (28) that can be retracted and deformed inwardly, a limiting step (29) is formed between the elastic barb parts (28) and the guide rod (16), a support ring (30) is sleeved on the outer periphery of the plurality of elastic barb parts (28), and the elastic barb parts (28) press the support ring (30) against the bottom of the limiting step (29); when the solenoid valve (5) is closed, the diaphragm (14) is pressed against the annular sealing seat (9) and the upper end of the support ring (30) at the same time.

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