Electromagnetic pressure reducing valve with good sealing performance

Abstract

The utility model discloses an electromagnetic pressure reducing valve with good sealing performance, which is applied to the technical field of electromagnetic pressure reducing valves and comprises a valve body, valve grooves communicated with each other are arranged on two sides inside the valve body, the top of the valve body is in threaded connection with a connecting cover, a shell is welded on the top of the connecting cover, and a positioning rod is fixedly connected inside the shell. The floating ball plug slides upwards in the arc-shaped groove to generate a gap, so that air accumulated in the valve body can be slowly exhausted for multiple times. Meanwhile, the arc-shaped groove is sealed through the floating force of the floating ball plug on the liquid, and the liquid is prevented from seeping out of the valve body. Therefore, air accumulation in the electromagnetic pressure reducing valve can be effectively avoided, and working stability is guaranteed. The rotating ring can rotate at the two ends of the valve body through the T-shaped sliding block, and therefore the connecting bolt can be adjusted according to the position of a flange hole of a pipeline. Therefore, butt joint installation of the electromagnetic pressure reducing valve is facilitated, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electromagnetic pressure reducing valves, and particularly relates to an electromagnetic pressure reducing valve with good sealing performance. Background Art

[0002] An electromagnetic pressure reducing valve is a valve that uses electromagnetic control and regulation to reduce the inlet pressure to a required outlet pressure and relies on the energy of the medium itself to automatically maintain the stability of the outlet pressure.

[0003] At present, the Chinese utility model with the publication number of CN220910578U discloses a large-flow solenoid valve with good sealing performance, which relates to the field of solenoid valves and includes a large-flow two-way three-way solenoid valve body. The large-flow two-way three-way solenoid valve body includes three connection channels, and a battery case is movably connected to the top of the large-flow two-way three-way solenoid valve body. First, the first fixed pipe is rotatably installed into the inner cavity of the connection channel. At this time, the fixed pipe drives the first connection ring and the sealing gasket to move. The sealing gasket contacts the large-flow two-way three-way solenoid valve body to improve the sealing performance of the fixed pipe. Then, the connecting pipe drives the second connection ring to be inserted into the inner cavity of the first connection ring. The second connection ring drives the sealing ring to be inserted into the inner cavity of the sealing groove to improve the connection sealing performance between the connecting pipe and the fixed pipe. Finally, the second connection ring and the first connection ring are installed and fixed by bolts, thus solving the problems in the background art.

[0004] In the actual working process of the existing electromagnetic pressure reducing valve, due to the relatively complex cavity structure, when the pipeline conveys liquid, the air mixed inside is very easy to stay in the inner cavity of the electromagnetic pressure reducing valve. Even if the electromagnetic pressure reducing valve is reopened, the air is difficult to be carried away by the liquid. The long-term accumulation of a large amount of air will cause the internal pressure of the electromagnetic pressure reducing valve to be unbalanced, increase the water resistance, and further reduce the sealing performance of the electromagnetic pressure reducing valve. Moreover, when the existing solenoid valve is installed at the flange interface of the pipeline, since the flange plate is fixed and cannot move, it is difficult to quickly align the bolt holes on the flange plate and insert the bolts, resulting in a low installation efficiency of the electromagnetic pressure reducing valve. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an electromagnetic pressure reducing valve with good sealing performance, and its advantages are that it can discharge the air inside the electromagnetic pressure reducing valve, improve the sealing performance, and facilitate the stacking and installation of the electromagnetic pressure reducing valve.

[0006] The above technical objectives of the present utility model are achieved through the following technical solutions: An electromagnetic pressure reducing valve with good sealing performance, including a valve body. On both sides inside the valve body, there are valve grooves that communicate with each other. The top of the valve body is threadedly connected with a connection cover. The top of the connection cover is welded with a housing. Inside the housing, there is a positioning rod fixedly connected. At the bottom of the surface of the positioning rod, there is a sliding cylinder slidably sleeved. At the bottom of the sliding cylinder, there is a sealing plug used in cooperation with the valve groove. On both sides of the sealing plug, there are through holes opened. On both sides inside the connection cover, there are arc-shaped grooves used in cooperation with the through holes. On both sides of the top of the connection cover, there are exhaust pipes fixedly connected and communicating with the arc-shaped grooves. Inside the exhaust pipe, there is a fixing rod fixedly connected. On the surface of the fixing rod, there is a floating ball plug slidably sleeved and used in cooperation with the arc-shaped groove.

[0007] By adopting the above technical solution, the elastic force of the spring is utilized to push the sealing plug downward to seal the valve groove. Thus, it can be automatically sealed after the electromagnetic pressure reducing valve accidentally loses power, preventing the liquid from flowing, ensuring the stability of liquid transportation, and improving the sealing performance. By utilizing the floating ball plug to slide upward in the arc-shaped groove to generate a gap, the air accumulated inside the valve body can be slowly discharged multiple times. At the same time, the floating ball plug uses the floating force above the liquid to seal the arc-shaped groove, preventing the liquid from leaking out of the valve body. Thus, it can effectively avoid the accumulation of air inside the electromagnetic pressure reducing valve and ensure the working stability. By utilizing the T-shaped slider, the rotating ring can rotate at both ends of the valve body, so that the connection bolts can be adjusted according to the position of the flange holes of the pipeline. Thus, it is convenient to dock and install the electromagnetic pressure reducing valve and improve the installation efficiency.

[0008] The present utility model is further provided as follows: On both sides of the surface of the valve body, there are rotating rings rotatably sleeved. The inner surface of the rotating ring is welded with a T-shaped slider slidably connected with the valve body. Inside the rotating ring, there is a connection bolt threadedly connected through. At both ends of the surface of the valve body, there are balls rotatably connected and slidably connected with the T-shaped slider.

[0009] By adopting the above technical solution, the connection bolts can be adjusted according to the position of the flange holes of the pipeline, so that it is convenient to dock and install the electromagnetic pressure reducing valve and improve the installation efficiency.

[0010] The present utility model is further provided as follows: Inside the housing, there is an electromagnet sleeved on the surface of the positioning rod. On one side outside the housing, there is a junction box bolted and electrically connected to the electromagnet. At the top of the sliding cylinder, there is a permanent magnet core magnetically adsorbed with the electromagnet.

[0011] By adopting the above technical solution, the power supply is connected through the junction box to control the electromagnet to be energized. Thus, the electromagnet drives the permanent magnet core to slide up and down through electromagnetic force, so that the sealing plug can open or close the top of the valve groove, thereby adjusting the electromagnetic pressure reducing valve to transport the liquid in the pipeline.

[0012] The present utility model is further configured such that: springs fixedly connected to the housing and the permanent magnet core respectively are sleeved on the surface of the positioning rod.

[0013] By adopting the above technical solution, the elastic force of the spring is used to push the sliding cylinder to slide downward, so that after the electromagnetic pressure reducing valve is powered off, the sealing plug can be automatically pushed downward to seal the valve groove, preventing the liquid from continuing to be transported and improving the sealing effect.

[0014] The present utility model is further configured such that: a rubber pad for cooperating with the valve groove is adhesively bonded to the bottom of the sealing plug.

[0015] By adopting the above technical solution, the sealing performance after the sealing plug covers the top of the valve groove is further increased, and the sealing effect of the electromagnetic pressure reducing valve is improved.

[0016] The present utility model is further configured such that: a sealing sleeve slidably sleeved with the sliding cylinder is adhesively bonded inside the connection cover.

[0017] By adopting the above technical solution, the sealing performance of the sliding cylinder sliding up and down inside the connection cover is improved, and the liquid is prevented from seeping into the housing.

[0018] The present utility model is further configured such that: sealing rings for cooperating with the rotating ring are adhesively bonded to both ends of the valve body.

[0019] By adopting the above technical solution, the sealing performance after the electromagnetic pressure reducing valve is connected to the pipeline flange by using the rotating ring is improved, and the liquid leakage is prevented.

[0020] In summary, the present utility model has the following beneficial effects:

[0021] 1. By using the elastic force of the spring to push the sealing plug downward to seal the valve groove, it can be automatically sealed after the electromagnetic pressure reducing valve is accidentally powered off, preventing the liquid from flowing, ensuring the stability of liquid transportation, and improving the sealing performance;

[0022] 2. By using the floating ball plug to slide upward in the arc-shaped groove to generate a gap, the air accumulated inside the valve body can be slowly discharged multiple times. At the same time, the floating ball plug uses the floating force above the liquid to seal the arc-shaped groove, preventing the liquid from leaking out of the valve body. Thus, the air accumulation inside the electromagnetic pressure reducing valve can be effectively avoided, ensuring the working stability;

[0023] 3. By using the T-shaped slider, the rotating ring can rotate at both ends of the valve body, so that the connection bolts can be adjusted according to the position of the flange holes of the pipeline. Thus, it is convenient to dock and install the electromagnetic pressure reducing valve, improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of the present utility model;

[0025] Figure 2 is a sectional view of the structure of the utility model;

[0026] Figure 3 is the utility model Figure 2 magnified view of point A therein.

[0027] Reference numerals: 1, valve body; 2, connecting cover; 3, outer shell; 4, positioning rod; 5, sliding cylinder; 6, sealing plug; 7, through hole; 8, arc groove; 9, exhaust pipe; 10, fixing rod; 11, floating ball plug; 12, rotating ring; 13, T-shaped slider; 14, connecting bolt; 15, ball; 16, sealing ring; 17, rubber pad; 18, sealing sleeve; 19, valve groove; 20, spring; 21, electromagnet; 22, junction box; 23, permanent magnet core. Detailed implementation manners

[0028] The following further describes the present utility model in detail with reference to the drawings.

[0029] Embodiment 1:

[0030] Refer to Figure 1 , Figure 2 , Figure 3 , an electromagnetic pressure reducing valve with good sealing performance, including a valve body 1. Both sides inside the valve body 1 are provided with mutually communicating valve grooves 19. The top of the valve body 1 is threadedly connected with a connecting cover 2. The top of the connecting cover 2 is welded with an outer shell 3. The inside of the outer shell 3 is fixedly connected with a positioning rod 4. The bottom of the surface of the positioning rod 4 is slidably sleeved with a sliding cylinder 5. The bottom of the sliding cylinder 5 is fixedly connected with a sealing plug 6 that is used in cooperation with the valve groove 19. Both sides of the sealing plug 6 are provided with through holes 7. Both sides inside the connecting cover 2 are provided with arc grooves 8 that are used in cooperation with the through holes 7. Both sides of the top of the connecting cover 2 are fixedly connected with exhaust pipes 9 that communicate with the arc grooves 8. The inside of the exhaust pipe 9 is fixedly connected with a fixing rod 10. The surface of the fixing rod 10 is slidably sleeved with a floating ball plug 11 that is used in cooperation with the arc groove 8. By using the elastic force of the spring 20 to push the sealing plug 6 downward to seal the valve groove 19. Thus, it can be automatically sealed after the accidental power failure of the electromagnetic pressure reducing valve, preventing the liquid from flowing, ensuring the stability of liquid transportation, and improving the sealing performance. By using the floating ball plug 11 to slide upward in the arc groove 8 to generate a gap, the air accumulated inside the valve body 1 can be slowly discharged multiple times. At the same time, the floating force of the floating ball plug 11 above the liquid is used to seal the arc groove 8, preventing the liquid from leaking out of the inside of the valve body 1. Thus, it can effectively avoid the accumulation of air inside the electromagnetic pressure reducing valve and ensure the working stability.

[0031] Refer to Figure 1 , Figure 2, an electromagnet 21 sleeved on the surface of the positioning rod 4 is fixedly connected inside the outer shell 3, and a junction box 22 electrically connected to the electromagnet 21 is bolted to one side outside the outer shell 3. A permanent magnet core 23 magnetically adsorbed to the electromagnet 21 is fixedly connected to the top of the sliding cylinder 5. The power supply is connected through the junction box 22 to control the electromagnet 21 to be energized, so that the electromagnet 21 drives the permanent magnet core 23 to slide up and down through electromagnetic force, enabling the sealing plug 6 to open or close the top of the valve groove 19, thereby adjusting the electromagnetic pressure reducing valve to convey the liquid in the pipeline.

[0032] Reference Figure 2 , a spring 20 sleeved on the surface of the positioning rod 4 is fixedly connected to the outer shell 3 and the permanent magnet core 23 respectively. The elastic force of the spring 20 is used to push the sliding cylinder 5 to slide downward, so that after the electromagnetic pressure reducing valve is powered off, the sealing plug 6 can be automatically pushed downward to seal the valve groove 19, preventing the liquid from continuing to be conveyed and improving the sealing effect.

[0033] Reference Figure 2 , Figure 3 , a rubber pad 17 used in cooperation with the valve groove 19 is bonded to the bottom of the sealing plug 6. Further enhance the sealing performance after the sealing plug 6 covers the top of the valve groove 19 and improve the sealing effect of the electromagnetic pressure reducing valve.

[0034] Brief description of the usage process: The power supply is connected through the junction box 22 to energize the electromagnet 21, so that the electromagnet 21 generates electromagnetic force to drive the permanent magnet core 23 to slide upward, opening the sealing plug 6 from the top of the valve groove 19 to convey the liquid in the pipeline. Then the air inside the valve body 1 is pushed into the inside of the arc-shaped groove 8 by the liquid through the through hole 7, so that the air pushes the floating ball plug 11 upward from the surface of the fixed rod 10, so that a gap is generated between the arc-shaped grooves 8 on the surface of the floating ball plug 11, and the air can enter the inside of the exhaust pipe 9 through this gap and be discharged. After that, after the air is discharged, the liquid inside the valve body 1 enters the arc-shaped groove 8. Using the floating force of the floating ball plug 11 on the liquid, the liquid pushes the floating ball plug 11 up and down to block the top of the arc-shaped groove 8, and then seals the exhaust pipe 9 to prevent the liquid from seeping out.

[0035] Embodiment 2:

[0036] Reference Figure 1 , Figure 2 , on both sides of the surface of the valve body 1 of an electromagnetic pressure reducing valve with good sealing performance, rotating rings 12 are rotatably sleeved. The inner surface of the rotating ring 12 is welded with a T-shaped slider 13 slidably connected to the valve body 1. A connecting bolt 14 is threadedly connected through the inside of the rotating ring 12. At both ends of the surface of the valve body 1, balls 15 slidably connected to the T-shaped slider 13 are rotatably connected. By using the T-shaped slider 13, the rotating ring 12 can rotate at both ends of the valve body 1, so that the connecting bolt 14 can be adjusted according to the position of the flange holes of the pipeline. Thus, it is convenient to connect and install the electromagnetic pressure reducing valve and improve the installation efficiency.

[0037] refer to Figure 2 , Figure 3 The inside of the connection cover 2 is bonded with a sealing sleeve 18 that is slidably sleeved with the sliding cylinder 5. The sealing performance of the sliding cylinder 5 sliding up and down inside the connection cover 2 is improved to prevent liquid from penetrating into the inside of the shell 3.

[0038] refer to Figure 1 , Figure 2 Both ends of the valve body 1 are bonded with sealing rings 16 used in conjunction with the rotating ring 12. The sealing performance of the electromagnetic pressure reducing valve after the rotating ring 12 is connected to the pipeline flange is improved to prevent liquid leakage.

[0039] Brief description of the use process: by turning the rotating ring 12, the T-shaped slider 13 is driven to slide at both ends of the valve body 1, and the ball 15 is used to rotate inside the valve body 1 to contact the T-shaped slider 13. Thus, the rotating ring 12 can rotate at both ends of the valve body 1 to adjust the position of the connecting bolt 14. Then, the connecting bolt 14 can be quickly installed with the flange hole of the pipeline.

[0040] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An electromagnetic pressure reducing valve with good sealing performance, comprising a valve body (1), characterized in that: On both sides inside the valve body (1), there are valve grooves (19) that communicate with each other. The top of the valve body (1) is threadedly connected to a connection cover (2). The top of the connection cover (2) is welded with a housing (3). Inside the housing (3), a positioning rod (4) is fixedly connected. At the bottom of the surface of the positioning rod (4), a sliding cylinder (5) is slidably sleeved. The bottom of the sliding cylinder (5) is fixedly connected to a sealing plug (6) that is used in cooperation with the valve groove (19). On both sides of the sealing plug (6), through holes (7) are opened. On both sides inside the connection cover (2), arc-shaped grooves (8) that are used in cooperation with the through holes (7) are opened. On both sides of the top of the connection cover (2), exhaust pipes (9) that communicate with the arc-shaped grooves (8) are fixedly connected. Inside the exhaust pipes (9), a fixed rod (10) is fixedly connected. On the surface of the fixed rod (10), a floating ball plug (11) that is used in cooperation with the arc-shaped groove (8) is slidably sleeved.

2. The electromagnetic pressure reducing valve with good sealing performance according to claim 1, wherein: On both sides of the surface of the valve body (1), rotating rings (12) are rotatably sleeved. The inner surface of the rotating ring (12) is welded with a T-shaped slider (13) that is slidably connected to the valve body (1). Inside the rotating ring (12), a connection bolt (14) is threadedly connected through. At both ends of the surface of the valve body (1), balls (15) that are slidably connected to the T-shaped slider (13) are rotatably connected.

3. The electromagnetic pressure reducing valve with good sealing performance according to claim 1, characterized in that: Inside the housing (3), an electromagnet (21) sleeved on the surface of the positioning rod (4) is fixedly connected. On one side outside the housing (3), a junction box (22) electrically connected to the electromagnet (21) is bolted. At the top of the sliding cylinder (5), a permanent magnet core (23) magnetically adsorbed to the electromagnet (21) is fixedly connected.

4. The electromagnetic pressure reducing valve with good sealing performance according to claim 3, characterized in that: A spring (20) that is fixedly connected to the housing (3) and the permanent magnet core (23) respectively is sleeved on the surface of the positioning rod (4).

5. An electromagnetic pressure reducing valve with good sealing performance according to claim 1, characterized in that: A rubber pad (17) that is used in cooperation with the valve groove (19) is bonded to the bottom of the sealing plug (6).

6. The electromagnetic pressure reducing valve with good sealing performance according to claim 1, characterized in that: A sealing sleeve (18) that is slidably sleeved with the sliding cylinder (5) is bonded inside the connection cover (2).

7. The electromagnetic pressure reducing valve with good sealing performance according to claim 2, wherein: Sealing rings (16) that are used in cooperation with the rotating rings (12) are bonded to both ends of the valve body (1).

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