Isolation type electromagnetic valve

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to an isolation type electromagnetic valve which comprises a valve body, two sets of partition plates are fixedly connected in the valve body, valve ports are formed in the partition plates, and a valve plug assembly matched with the valve ports is arranged between the two sets of partition plates. The valve plug assembly comprises a valve rod, a mounting block is fixedly connected to the lower end face of the valve rod, a moving groove is formed in the mounting block, two sets of symmetrical moving rods are slidably connected to the interior of the moving groove, a fixing block is fixedly connected to one end of the outer side of each moving rod, and a valve plug is fixedly bonded to the end face of the outer side of each fixing block. When the flow of liquid is large, the valve plug on one side can be burst open, but the liquid can extrude the valve plug on the other side, the sealing is tighter, the leakage is avoided, and the use is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of solenoid valves, in particular to an isolation type solenoid valve. Background Art

[0002] Chinese Patent No. "CN213018003U" discloses a safe-to-use isolation type solenoid valve, including an electromagnetic component, a housing coil assembly, a moving iron core and a valve body. The electromagnetic component is fixedly arranged outside the housing. The coil assembly is fixedly installed inside the housing. The moving iron core is located inside the coil assembly and is slidably connected to the housing. The lower end of the housing is fixedly connected with a sleeve, and the lower end of the sleeve is fixedly connected with the valve body. The lower end of the moving iron core is fixedly connected with a connecting rod, and the lower end of the connecting rod sequentially penetrates the lower side wall of the housing and the upper side wall of the valve body and extends into the interior of the valve body. When the fluid flows through the valve body, the fluid medium can be isolated to avoid damage to the electromagnetic device. And when the valve body is closed, the fluid inside the valve body can flow out to avoid the residual of the fluid medium inside the valve body, thus prolonging the service life of the solenoid valve.

[0003] This device can be used for the production of solenoid valves, can isolate the fluid medium to avoid damage to the electromagnetic device, and can make the fluid inside the valve body flow out when the valve body is closed. However, this device does not have a stable valve plug structure. When the liquid flow rate is too large, the liquid pressure may lift the valve plug, affecting the use of the device. Therefore, improvements are proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defect in the prior art that there is no stable valve plug structure. When the liquid flow rate is too large, the liquid pressure may lift the valve plug, affecting the use of the device, and to propose an isolation type solenoid valve.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] Design an isolation type solenoid valve, including a valve body. Two partition plates are fixedly connected inside the valve body. A valve port is opened inside the partition plate. A valve plug assembly that cooperates with the valve port is arranged between the two partition plates;

[0007] The valve plug assembly includes a valve rod. An installation block is fixedly connected to the lower end surface of the valve rod. A moving groove is opened inside the installation block. Two symmetric moving rods are slidably connected inside the moving groove. A fixed block is fixedly connected to one end of the outer side of the moving rod. A valve plug is adhesively fixed to the outer end surface of the fixed block. The two valve plugs are respectively inserted and engaged inside the two valve ports. A first elastic member is sleeved on the outer peripheral surface of the valve rod. The two ends of the first elastic member respectively abut against the fixed block and the installation block.

[0008] Preferably, one end of the inner side of the moving rod is fixedly connected with a limiting block, and the limiting block is slidably connected to the inside of the moving groove.

[0009] Preferably, the valve body has an opening structure at the lower part, and a sealing bottom cover is fixedly installed at the opening at the lower part of the valve body. An insertion block inserted into the valve body is fixedly connected to the inner end face of the sealing bottom cover. A plugging rod is fixedly connected to the lower end face of the mounting block, and the plugging rod is movably inserted into the inside of the insertion block.

[0010] Preferably, the valve body has an opening structure at the upper part, and an electromagnetic control device is fixedly installed at the opening at the upper part of the valve body. The output end of the electromagnetic control device is in transmission connection with the valve rod.

[0011] Preferably, a sealing plate is arranged inside the opening at the upper part of the valve body. Two groups of blocking plates are fixedly connected to the outer peripheral end face of the valve rod. The two groups of blocking plates are respectively arranged on the upper and lower sides of the sealing plate, and the two groups of blocking plates are movably abutted against the upper and lower end faces of the sealing plate.

[0012] Preferably, annular sealing grooves are formed on the upper and lower end faces of the sealing plate, and sealing rings matched with the sealing grooves are fixedly connected to the inner end faces of the blocking plates.

[0013] Preferably, a second elastic member is sleeved on the outer peripheral end face of the valve rod. The second elastic member is located above the sealing plate, and the two ends of the second elastic member respectively abut against the blocking plate and the electromagnetic control device.

[0014] Preferably, flanges are arranged on both the left and right sides of the valve body.

[0015] An isolation type solenoid valve proposed by the present utility model has the beneficial effects that: the valve rod is driven by the electromagnetic control device. When the valve rod moves upward, the valve plug can be separated from the valve port, and at this time, the valve body is communicated, which is convenient for the flow of liquid. When the electromagnetic control device is powered off, the second elastic member abuts against the blocking plate and moves downward. At this time, the valve plug is clamped into the valve port, and the valve plug can seal the valve port by the first elastic member abutting against the fixed block. When the liquid flow rate is large, it can push open one side of the valve plug, but the flow direction of the liquid will squeeze the valve plug on the other side, making its seal tighter and not leaking, making the device safer and more stable in use.

[0016] By arranging the sealing bottom cover, the valve body can be opened, which is convenient for cleaning when there is no liquid flowing. By arranging the insertion block, the valve rod and the plugging rod can be fixed to prevent them from rotating and shifting, ensuring the stable operation of the device. By arranging the blocking plate and the sealing ring, liquid can be prevented from entering the electromagnetic control device, thereby enhancing the service life of the solenoid valve. Description of the Drawings

[0017] Figure 1 Structural schematic diagram of an isolation solenoid valve proposed by the present utility model;

[0018] Figure 2 Cross-sectional structural schematic diagram of an isolation solenoid valve proposed by the present utility model;

[0019] Figure 3 For an isolation solenoid valve proposed by the present utility model Figure 2 Partial enlarged view at position A;

[0020] Figure 4 For an isolation solenoid valve proposed by the present utility model Figure 2 Partial enlarged view at position B;

[0021] Figure 5 Cross-sectional structural schematic diagram of the starting state of an isolation solenoid valve proposed by the present utility model;

[0022] Figure 6 For an isolation solenoid valve proposed by the present utility model Figure 5 Partial enlarged view at position C.

[0023] In the figure: 1, valve body; 101, flange; 102, partition plate; 103, valve port; 104, sealing plate; 105, sealing groove; 2, sealing bottom cover; 201, insertion block; 3, electromagnetic control device; 4, valve rod; 401, mounting block; 402, insertion rod; 403, moving groove; 404, partition board; 405, sealing ring; 5, moving rod; 501, limiting block; 502, fixing block; 6, valve plug; 7, first elastic member; 8, second elastic member. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] Refer to Figures 1-6 , an isolation solenoid valve, including a valve body 1, two groups of partition plates 102 are fixedly connected inside the valve body 1, a valve port 103 is opened inside the partition plates 102, and a valve plug assembly that cooperates with the valve port 103 is arranged between the two groups of partition plates 102;

[0026] The valve plug assembly includes a valve stem 4, the lower end face of the valve stem 4 is fixedly connected to a mounting block 401, a movable groove 403 is provided inside the mounting block 401, two groups of symmetrical movable rods 5 are slidably connected inside the movable groove 403, one outer end of the movable rod 5 is fixedly connected to a fixing block 502, the outer end face of the fixing block 502 is bonded and fixed with a valve plug 6, the two groups of valve plugs 6 are respectively inserted and engaged in the interior of the two groups of valve ports 103, a first elastic member 7 is sleeved on the outer end face of the valve stem 4, the two ends of the first elastic member 7 are respectively abutted against the fixing block 502 and the mounting block 401, when the device faces a large liquid flow, the valve plug 6 on one side can be flushed open, but the flow direction of the liquid will squeeze the valve plug 6 on the other side, making the seal tighter and preventing leakage, making the device safer and more stable to use.

[0027] One inner end of the moving rod 5 is fixedly connected to a limiting block 501 , and the limiting block 501 is slidably connected to the inside of the moving groove 403 . By setting the limiting block 501 , the movement of the moving rod 5 can be limited to prevent it from detaching from the mounting block 401 .

[0028] The valve body 1 has a lower opening structure, and a sealing bottom cover 2 is fixedly installed at the lower opening of the valve body 1. The inner end face of the sealing bottom cover 2 is fixedly connected with a plug-in block 201 inserted into the valve body 1, and the lower end face of the mounting block 401 is fixedly connected with a plug-in rod 402, and the plug-in rod 402 is movably plugged into the inside of the plug-in block 201. By setting the sealing bottom cover 2, the valve body 1 can be opened, and it is convenient to clean it when there is no liquid flowing therein. By setting the plug-in block 201, the valve stem 4 and the plug-in rod 402 can be fixed to prevent them from rotating and deflecting, thereby ensuring that the device can operate stably.

[0029] The valve body 1 has an upper opening structure, and an electromagnetic control device 3 is fixedly installed at the upper opening of the valve body 1. The output end of the electromagnetic control device 3 is transmission-connected to the valve stem 4, and the valve stem 4 is driven to move up and down by the electromagnetic control device 3.

[0030] A sealing plate 104 is provided inside the opening above the valve body 1, and two groups of blocking plates 404 are fixedly connected to the outer end surface of the valve stem 4. The two groups of blocking plates 404 are respectively arranged on the upper and lower sides of the sealing plate 104, and the two groups of blocking plates 404 are movably abutted against the upper and lower end surfaces of the sealing plate 104. The blocking plates 404 can limit the movement of the valve stem 4 to a certain extent, and at the same time, the moving connection of the valve stem 4 is sealed to prevent leakage.

[0031] Annular sealing grooves 105 are provided on the upper and lower end faces of the sealing plate 104, and a sealing ring 405 that cooperates with the sealing groove 105 is fixedly connected to the inner end face of the blocking plate 404. By arranging the blocking plate 404 and the sealing ring 405, liquid can be prevented from entering the electromagnetic control device 3, thereby enhancing the service life of the electromagnetic valve.

[0032] A second elastic member 8 is sleeved on the outer peripheral end face of the valve stem 4. The second elastic member 8 is located above the sealing plate 104. The two ends of the second elastic member 8 respectively abut against the partition plate 404 and the electromagnetic control device 3. When the electromagnetic control device 3 is powered off, the second elastic member 8 abuts against the partition plate 404 and moves downward. At this time, the valve plug 6 can be snapped into the valve port 103, thereby cutting off the solenoid valve.

[0033] Flanges 101 are provided on both the left and right sides of the valve body 1. The valve body 1 can be installed through the flanges 101.

[0034] Working mode; during operation, the valve stem 4 is driven by the electromagnetic control device 3. At this time, the valve stem 4 moves upward, and the valve plug 6 can be disengaged from the valve port 103, so that the valve body 1 is communicated, facilitating the flow of liquid. When the electromagnetic control device 3 is powered off, the second elastic member 8 abuts against the partition plate 404 and moves downward. At this time, the valve plug 6 is snapped into the valve port 103, and the valve plug 6 abuts against the fixed block 502 through the first elastic member 7, so that the valve plug 6 can seal the valve port 103. When facing a large liquid flow, the liquid can flush open one side of the valve plug 6. However, under the influence of the liquid flow direction, it will squeeze the valve plug 6 on the other side, and the valve plug 6 on the other side is arranged in the reverse direction, which will only make its seal tighter and there will be no leakage. The device is safer and more stable in use. The valve body 1 can be opened through the sealing bottom cover 2, which is convenient for cleaning when there is no liquid flowing in the valve body 1. The valve stem 4 and the plug rod 402 can be fixed through the plug block 201 to prevent them from rotating and shifting during the up and down movement, ensuring the stable operation of the device. The partition plate 404 and the sealing ring 405 can prevent liquid from entering the electromagnetic control device 3, thereby enhancing the service life of the solenoid valve.

[0035] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An isolated solenoid valve, comprising a valve body (1), characterized in that: Two groups of partition plates (102) are fixedly connected inside the valve body (1), a valve port (103) is provided inside the partition plate (102), and a valve plug assembly cooperating with the valve port (103) is provided between the two groups of partition plates (102); The valve plug assembly comprises a valve stem (4), the lower end surface of the valve stem (4) is fixedly connected to a mounting block (401), a movable groove (403) is provided inside the mounting block (401), two groups of symmetrical movable rods (5) are slidably connected inside the movable groove (403), an outer end of the movable rod (5) is fixedly connected to a fixed block (502), an outer end surface of the fixed block (502) is adhesively fixed to a valve plug (6), the two groups of valve plugs (6) are respectively plugged and engaged in the interior of the two groups of valve ports (103), and a first elastic member (7) is sleeved on the outer end surface of the valve stem (4), and the two ends of the first elastic member (7) respectively abut against the fixed block (502) and the mounting block (401).

2. The isolated solenoid valve according to claim 1, characterized in that: One inner end of the moving rod (5) is fixedly connected to a limiting block (501), and the limiting block (501) is slidably connected to the inside of the moving groove (403).

3. The isolated solenoid valve according to claim 1, characterized in that: The valve body (1) has a lower opening structure, a sealing bottom cover (2) is fixedly mounted at the lower opening of the valve body (1), an inner end surface of the sealing bottom cover (2) is fixedly connected to a plug-in block (201) inserted into the valve body (1), a lower end surface of the mounting block (401) is fixedly connected to a plug-in rod (402), and the plug-in rod (402) is movably plugged into the interior of the plug-in block (201).

4. The isolated solenoid valve according to claim 1, wherein: The valve body (1) has an upper opening structure, an electromagnetic control device (3) is fixedly mounted at the upper opening of the valve body (1), and an output end of the electromagnetic control device (3) is drivingly connected to the valve stem (4).

5. An isolated solenoid valve according to claim 4, characterized in that: A sealing plate (104) is provided inside the upper opening of the valve body (1), and two groups of blocking plates (404) are fixedly connected to the outer end surface of the valve stem (4), and the two groups of blocking plates (404) are respectively arranged on the upper and lower sides of the sealing plate (104), and the two groups of blocking plates (404) are movably abutted against the upper and lower end surfaces of the sealing plate (104).

6. The isolated solenoid valve according to claim 5, characterized in that: The upper and lower end surfaces of the sealing plate (104) are both provided with an annular sealing groove (105), and the inner end surface of the blocking plate (404) is fixedly connected with a sealing ring (405) that cooperates with the sealing groove (105).

7. An isolated solenoid valve according to claim 6, characterized in that: A second elastic member (8) is sleeved on the outer end surface of the valve stem (4), the second elastic member (8) is located above the sealing plate (104), and two ends of the second elastic member (8) respectively abut against the blocking plate (404) and the electromagnetic control device (3).

8. An isolated solenoid valve according to claim 1, characterized in that: Flanges (101) are provided on both the left and right sides of the valve body (1).

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