Buffering three-way valve

Abstract

The utility model belongs to the field of valves, and particularly relates to a buffering three-way valve which comprises a valve body, a plurality of buffering rings are arranged on the inner wall of a pipeline of each water inlet pipe, a plurality of first through holes are formed in the inner wall of the pipeline of the water inlet pipe on the inner side of each buffering ring, and a plurality of second through holes are formed in the pipeline wall, close to the valve body, of the water inlet pipe. A connecting pipe is arranged between the second through hole and the first through hole and communicates with the outside of the water inlet pipe, a rotating spoiler is rotationally arranged in the water outlet pipe, multiple sets of third through holes and fourth through holes are formed in the positions, on the inner wall of the water outlet pipe, of one side of the rotating spoiler, and a buffer box communicates with the outside of each third through hole and the outside of each fourth through hole; a plurality of partition plates are arranged in the buffer box in an up-down staggered mode. The buffer ring and other components are arranged, so that part of water flow flowing into the valve body from the inner wall of the water inlet pipe can be slowed down through the connecting pipe; by arranging the rotating spoiler and other assemblies, the water flow flowing out of the water outlet pipe is slowed down.

Description

Technical Field

[0001] This utility model belongs to the field of valve technology, and in particular relates to a buffer three-way valve. Background Technology

[0002] Three-way valves typically regulate the connection between channels. They can have one port for water inlet and two ports for water outlet, or two ports for water inlet and one port for water outlet. If one port is for water inlet and two ports are for water outlet, it's equivalent to one water flow being split into two, and the water flow will automatically slow down. However, if two ports are for water inlet and one port is for water outlet, the flow velocity at the outlet is doubled, meaning the flow velocity at the outlet is greater than the flow velocity at the inlet. Therefore, it is necessary to slow down the water flow through the three-way valve to allow the water flow to be buffered.

[0003] For example, a buffer three-way valve disclosed in patent application number CN201921586768.6 includes a three-way valve body, with water inlets at both ends of the valve body and flanges on the water inlets. A water outlet is provided at the bottom of the valve body, with a flange on the water outlet. A buffer cavity is provided at the top middle position of the two water inlets. A recessed buffer groove is provided on one side of the buffer cavity. A downwardly arranged baffle is embedded in the buffer groove. The bottom of the baffle is directly opposite the bottom water outlet. It has a simple and compact structure and high safety and reliability.

[0004] In existing technologies, structures such as buffer tanks and baffles are used to buffer and slow down the water flow through the inlet of the three-way valve. However, the effect is not significant enough because it only slows down the water flow in the inlet pipe. After the water flows from the two pipes converge at the outlet, the flow rate of the water flowing through the outlet will increase again. Therefore, a second slowing down treatment of the water flow rate at the outlet is required.

[0005] However, if the water flow from the two inlet pipes converges into the outlet pipe, the water flow increases rapidly. If the water flow is not quickly discharged or buffered, the three-way valve may be damaged. Utility Model Content

[0006] To overcome the shortcomings of the prior art, this utility model provides a buffer three-way valve. By incorporating a buffer ring, a first through hole, and a connecting pipe, this utility model allows a portion of the water flowing into the valve body from the inner wall of the inlet pipe to be slowed down by passing through the connecting pipe; and by incorporating a rotating baffle plate, a buffer box, and a partition plate, the water flow out of the outlet pipe is further mitigated.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a buffer three-way valve, comprising a valve body, two inlet pipes on both sides of the valve body, and an outlet pipe on one side of the valve body. Each inlet pipe has multiple buffer rings on its inner wall, and each buffer ring has multiple first through holes on its inner wall. Multiple second through holes are provided on the pipe wall of the inlet pipe near the valve body. A connecting pipe connects the second and first through holes to the outside of the inlet pipe. A rotating baffle is rotatably arranged inside the outlet pipe. Multiple sets of third and fourth through holes are provided on one side of the rotating baffle on the inner wall of the outlet pipe. A buffer box is connected to the outside of each third and fourth through hole. Multiple partitions are staggered inside the buffer box.

[0008] Optionally, the rotating spoiler is inclined at one end near the valve body.

[0009] Optionally, one end of the rotating spoiler is provided with a guide slope, and the angle between the guide slope and the bottom surface of the rotating spoiler is less than 90 degrees.

[0010] Optionally, multiple rotating rods are fixedly installed inside the water outlet pipe, and each rotating rod is rotatably connected to the center of the rotating baffle.

[0011] Optionally, the top of the buffer box is provided with a fifth through hole, a water baffle is slidably disposed inside the fifth through hole, a pressure relief box is disposed outside the fifth through hole on the upper end face of the buffer box, a spring is disposed inside the pressure relief box on the upper end face of the water baffle, and a plurality of sixth through holes are provided on the outer wall of the pressure relief box.

[0012] Optionally, a support member is provided between the water-blocking plate and the pressure relief box.

[0013] Optionally, a sealing ring is provided between the outer wall of the water-blocking plate and the inner wall of the fifth through hole.

[0014] In summary, compared with existing technologies, the beneficial effects of this solution are as follows:

[0015] (1) By setting up a buffer ring, a first through hole and a connecting pipe, etc., this utility model allows part of the water flow that flows into the valve body from the inner wall of the inlet pipe to be buffered by the connecting pipe. Then the slowed water flow will flow back into the main water flow inside the inlet pipe to neutralize the flow rate of the main water flow. This allows the water flow that flows out of the outlet pipe to be slowed down to a certain extent, which can effectively improve the overall service life of the three-way valve.

[0016] (2) By setting up components such as a rotating baffle, a buffer box, and baffles, the water flow from the outlet pipe is partially slowed down by the blocking effect of the rotating baffle. After entering the buffer box through the fourth through hole and the connecting pipe, the flow rate of this part of the water is reduced by the action of multiple baffles. Then, after flowing into the main water flow through the third through hole, it is neutralized with the main water flow, thereby slowing down the water flow from the outlet pipe and further improving the overall service life of the three-way valve. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model;

[0018] Figure 2 This is a perspective view of some parts of this utility model;

[0019] Figure 3 for Figure 2 Front view of some parts;

[0020] Figure 4 for Figure 3 A three-dimensional sectional view at point AA;

[0021] Figure 5 This is a perspective view of some parts of this utility model;

[0022] Figure 6 for Figure 5 Partial front view of the parts;

[0023] Figure 7 for Figure 6 A three-dimensional sectional view at point BB;

[0024] Figure 8 for Figure 7 A magnified view of a section at point C.

[0025] In the figure: valve body 10, inlet pipe 11, outlet pipe 12, buffer ring 13, first through hole 14, second through hole 15, connecting pipe 16, rotating baffle 17, rotating rod 18, third through hole 19, fourth through hole 20, connecting pipe 21, buffer box 22, partition 23, fifth through hole 24, pressure relief box 25, water baffle 26, sealing ring 27, spring 28, support 29, sixth through hole 30, guide slope 31. Detailed Implementation

[0026] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Example 1:

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, a buffer three-way valve includes a valve body 10. Two inlet pipes 11 are arranged on both sides of the valve body 10, and an outlet pipe 12 is arranged on one side of the valve body 10. Multiple buffer rings 13 are arranged on the inner wall of each inlet pipe 11. Multiple first through holes 14 are arranged on the inner side of each buffer ring 13 on the inner wall of the inlet pipe 11. Multiple second through holes 15 are arranged on the pipe wall of the inlet pipe 11 near the valve body 10. The second through holes 15 and the first through holes 14 are connected to the outside of the inlet pipe 11. There is a connecting pipe 16, and a rotating baffle 17 is rotatably installed inside the outlet pipe 12. One end of the rotating baffle 17 is provided with a guide slope 31. The angle between the guide slope 31 and the bottom surface of the rotating baffle 17 is less than 90 degrees. On one side of the rotating baffle 17, multiple sets of third through holes 19 and fourth through holes 20 are provided on the inner wall of the outlet pipe 12. Each third through hole 19 and fourth through hole 20 is externally connected to a buffer box 22. Multiple baffles 23 are staggered inside the buffer box 22.

[0028] Specifically, the buffer ring 13 is L-shaped, and the buffer ring 13 and the inner wall of the inlet pipe 11 form an annular groove. The orientation of this annular groove is opposite to the direction of water flow into the inlet pipe 11. When water enters from the inner wall of the inlet pipe 11, the buffer ring 13 can guide part of the water flow into the annular groove, enter the connecting pipe 16 through the first through hole 14, and then flow into the inner wall of the inlet pipe 11 through the second through hole 15. The water flow in the inlet pipe 11 is mixed, thereby slowing down the water flow from the inlet pipe 11 into the valve body 10.

[0029] The connecting pipe 16 is made of a deformable and foldable material. By folding the connecting pipe 16 in multiple loops, the flow rate of some of the water flowing through the connecting pipe 16 is slowed down, thereby slowing down the overall flow rate of water entering the valve body 10 from the inlet pipe 11.

[0030] The water flowing into the valve body 10 from the inlet pipe 11 is collected and discharged through the outlet pipe 12. Since the end of the rotating baffle 17 near the valve body 10 is inclined and the inclined section forms an acute angle with the inner side wall near the outlet pipe 12, the water discharged from the outlet pipe 12 will be blocked by the rotating baffle 17, and part of it will flow into the fourth through hole 20. The water flowing into the fourth through hole 20 will be buffered in the curved channel formed by multiple baffles 23 and the side wall of the buffer box 22. When it flows out through the third through hole 19, it will mix with the water flowing through the outlet pipe 12, thereby slowing down the overall speed of the water flowing out of the outlet pipe 12.

[0031] Furthermore, such as Figure 7 and Figure 8 As shown, the top of the buffer box 22 is provided with a fifth through hole 24, a water baffle 26 is slidably arranged inside the fifth through hole 24, a pressure relief box 25 is provided outside the fifth through hole 24 on the upper end face of the buffer box 22, a spring 28 is provided inside the pressure relief box 25 on the upper end face of the water baffle 26, and a plurality of sixth through holes 30 are provided on the outer wall of the pressure relief box 25.

[0032] Specifically, when the water flow velocity through the outlet pipe 12 is too high, the amount of water entering the buffer tank 22 through the fourth through hole 20 will also increase rapidly. If the amount of water inside the buffer tank 22 exceeds the buffer tank 22's bearing capacity, the buffer tank 22 may rupture. At this time, due to the setting of the baffle plate 26, the spring 28, and the sixth through hole 30, when the water pressure inside the buffer tank 22 exceeds a certain value, the baffle plate 26 will move towards the spring 28 under the action of the water pressure inside the buffer tank 22. At this time, the baffle plate 26 compresses the spring 28 until the baffle plate 26 separates from the top wall of the buffer tank 22, so that the water inside the buffer tank 22 can enter the pressure relief tank 25 and be discharged through the sixth through hole 30.

[0033] Furthermore, such as Figure 8 As shown, a support member 29 is provided inside the pressure relief box 25 between the water baffle plate 26 and the pressure relief box 25.

[0034] Specifically, the support member 29 is barbell-shaped. Under the predetermined pressure, the water baffle 26 can squeeze and break the support member 29. The support member 29 can provide stable support for the water baffle 26, preventing the water baffle 26 from being pushed open before the water pressure inside the buffer box 22 reaches the predetermined value due to the damage of the spring 28, so that the water inside the buffer box 22 can be discharged through the sixth through hole 30.

[0035] Furthermore, such as Figure 8 As shown, a sealing ring 27 is provided between the outer wall of the water-blocking plate 26 and the inner wall of the fifth through hole 24.

[0036] Specifically, the sealing ring 27 is made of elastic material, and the setting of the sealing ring 27 can improve the sealing effect between the water-proof plate 26 and the sealing ring 27.

[0037] Furthermore, such as Figure 7 As shown, multiple rotating rods 18 are fixedly installed inside the water outlet pipe 12, and each rotating rod 18 is rotatably connected to the middle of the rotating baffle 17.

[0038] Specifically, the distance between the rotation axis of the rotating rod 18 and the rotation spoiler 17 and the end face of the rotating spoiler 17 near the valve body 10 is greater than half the length of the rotating spoiler 17, and when the rotating spoiler 17 is in a horizontal state, the end face of the rotating spoiler 17 near the valve body 10 should be close to the axis of the fourth through hole 20.

[0039] First, when water flows into the valve body 10 through the inlet pipe 11, the water near the inner wall of the inlet pipe 11 will enter the connecting pipe 16 through the first through hole 14 under the action of multiple buffer rings 13. Since the connecting pipe 16 is curved, the flow rate of this part of the water will decrease after entering the connecting pipe 16. Then, it will flow back into the main water flow inside the inlet pipe 11 through the second through hole 15. This process reduces the flow rate of the water flowing through the inlet pipe 11.

[0040] Next, when the water flows out of the valve body 10 and collects in the outlet pipe 12 before being discharged, the water flow impacts the guide slope 31 on the rotating baffle 17. Under the impact of the water flow, the rotating baffle 17 will rotate along the rotating rod 18. After that, more water flow will come into contact with the side of the rotating baffle 17 near the side wall of the outlet pipe 12 and the flow rate will be reduced. Some water flow will enter the buffer tank 22 through the fourth through hole 20 and the connecting pipe 21. Under the action of the curved channel formed by the inner side wall of the buffer tank 22 and multiple baffles 23, the flow rate of this part of the water flow is buffered and then flows back into the main water flow inside the outlet pipe 12 through the third through hole 19.

[0041] If the water flow velocity discharged from the outlet pipe 12 is too high, the amount of water entering the buffer tank 22 through the fourth through hole 20 will also increase, and the flow velocity of this water will also increase. When the water flow velocity exceeds a certain value, the pressure exerted by the water inside the buffer tank 22 on the baffle plate 26 exceeds the bearing capacity of the support member 29, and the support member 29 will break. The baffle plate 26 will continue to compress the spring 28, causing the water to flow into the internal cavity of the pressure relief box 25, and then be discharged through the sixth through hole 30, thus completing the pressure relief of the buffer tank 22.

[0042] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0043] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes said element.

[0044] The foregoing description illustrates and describes several preferred embodiments of this application. However, as previously stated, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the application concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this application should be within the protection scope of the appended claims.

Claims

1. A buffer three-way valve, comprising a valve body (10), wherein two inlet pipes (11) are provided on both sides of the valve body (10), and an outlet pipe (12) is provided on one side of the valve body (10), characterized in that, Each of the inlet pipes (11) has multiple buffer rings (13) on its inner wall. Each buffer ring (13) has multiple first through holes (14) on its inner side on the inner wall of the inlet pipe (11). The inlet pipe (11) has multiple second through holes (15) on its wall near the valve body (10). A connecting pipe (16) is provided between the second through holes (15) and the first through holes (14) outside the inlet pipe (11). A rotating baffle (17) is rotatably provided inside the outlet pipe (12). One side of the rotating baffle (17) is provided with multiple sets of third through holes (19) and fourth through holes (20) on the inner wall of the outlet pipe (12). Each of the third through holes (19) and fourth through holes (20) is connected to a buffer box (22) outside. Multiple baffles (23) are arranged vertically inside the buffer box (22).

2. A buffer three-way valve according to claim 1, characterized in that, The rotating spoiler (17) is inclined at one end near the valve body (10).

3. A buffer three-way valve according to claim 2, characterized in that, One end of the rotating spoiler (17) is provided with a flow guiding slope (31), and the angle between the flow guiding slope (31) and the bottom surface of the rotating spoiler (17) is less than 90 degrees.

4. A buffer three-way valve according to claim 3, characterized in that, The water outlet pipe (12) is fixedly equipped with multiple rotating rods (18), and each rotating rod (18) is rotatably connected to the middle of the rotating baffle (17).

5. A buffer three-way valve according to claim 1, characterized in that, The top of the buffer box (22) is provided with a fifth through hole (24), and a water baffle plate (26) is slidably arranged inside the fifth through hole (24). A pressure relief box (25) is provided outside the fifth through hole (24) on the upper surface of the buffer box (22). A spring (28) is provided inside the pressure relief box (25) on the upper surface of the water baffle plate (26). A plurality of sixth through holes (30) are provided on the outer side wall of the pressure relief box (25).

6. A buffer three-way valve according to claim 5, characterized in that, A support member (29) is provided between the water-blocking plate (26) and the pressure relief box (25).

7. A buffer three-way valve according to claim 6, characterized in that, A sealing ring (27) is provided between the outer wall of the water-blocking plate (26) and the inner wall of the fifth through hole (24).

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