Efficient liquid four-way reversing valve
By adopting a high-efficiency liquid four-way reversing valve with integrated cast iron casting and electric cylinder drive structure, the existing four-way reversing valve has been solved, and the high-precision water flow direction control and sealing guarantee is achieved .
Patent Information
- Application Number
- CN202323577248.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-26
AI Technical Summary
The control accuracy of existing four-way reversing valves is not high, and muddy water is prone to occur. The deformation and residual stress caused by a large number of welding parts make the product use risk and the sealing is difficult to guarantee.
A high-efficiency liquid four-way reversing valve is designed, using ductile iron integrated casting to form a valve body, combined with the electric cylinder driving structure and sealing strip, precise control of the water flow direction is achieved through the rotation of the valve core assembly, avoiding deformation caused by welding and Stress problems and sealing is ensured through the sealing ring.
It realizes high-precision water flow direction control, avoids muddy water phenomena and welding risks, and improves the reliability and sealing of the product.
Smart Images
Figure CN222209081U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reversing valves, in particular to a high-efficiency liquid four-way reversing valve. Background Art
[0002] A four-way reversing valve is a valve that changes the direction of water flow by reversing the valve without changing the pipeline hardware to meet various water flow directions required in the water system.
[0003] The four-way valves currently on the market have low control accuracy, the direction of water flow is not easy to control, and muddy water is prone to occur inside the valve body. At the same time, the existing four-way reversing valves are basically made of large round pipes and flat plate materials due to their large size. A large number of welding parts cause the product to deform greatly and also have residual stress. When there are sand holes and cracks inside the weld, there is a greater risk of later use, such as cracking and leakage. At the same time, the sealing inside of such a valve is difficult to guarantee, and muddy water often occurs inside. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a high-efficiency liquid four-way reversing valve in view of the deficiencies in the prior art.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions.
[0006] A high-efficiency liquid four-way reversing valve, comprising a valve body, a valve core assembly and an electric cylinder driving structure; the front end of the valve body is provided with a first valve connection port and a second valve connection port, and the rear end of the valve body is provided with a third valve connection port and a fourth valve connection port; the valve core assembly is rotatably arranged in the valve body, the valve core assembly comprises a valve shaft and a valve core, the valve core is connected to the valve shaft, the valve core is divided into a first guide channel, a second guide channel, a third guide channel and a fourth guide channel through a horizontal partition and a vertical partition, one side of the upper part of the valve core is the first guide channel, the other side of the upper part of the valve core is the second guide channel, one side of the lower part of the valve core is the third guide channel, and the other side of the lower part of the valve core is the fourth guide channel, the electric cylinder driving structure The structure is used to drive the valve core assembly to rotate along the valve body; when the electric cylinder driving structure drives the valve core to rotate to the initial position, the first valve connection port, the first guide channel and the third valve connection port are connected, and the second valve connection port, the second guide channel and the fourth valve connection port are connected; when the electric cylinder driving structure drives the valve core to rotate clockwise to one position, the first valve connection port, the second guide channel and the fourth valve connection port are connected, and the second valve connection port, the fourth guide channel and the third valve connection port are connected; when the electric cylinder driving structure drives the valve core to rotate counterclockwise to another position, the second valve connection port, the first guide channel and the third valve connection port are connected, and the first valve connection port, the third guide channel and the fourth valve connection port are connected.
[0007] A preferred solution is that through holes are penetrated on the upper and lower sides of the valve body, the upper side of the valve body is covered by an upper end cover, and the lower side of the valve body is covered by a lower end cover, the valve shaft is rotatably connected to the upper end cover and the lower end cover respectively, the electric cylinder driving structure includes an electric cylinder and a driving shaft, one end of the driving shaft is fixedly connected to the valve shaft, and the other end is rotatably connected to the telescopic shaft of the electric cylinder, and the electric cylinder drives the valve shaft to rotate via the driving shaft.
[0008] A preferred solution is that the valve body is evenly provided with a first sealing strip, a second sealing strip, a third sealing strip and a fourth sealing strip, the first sealing strip, the second sealing strip, the third sealing strip and the fourth sealing strip extend from the upper end to the lower end of the valve body, the first sealing strip is located between the first valve connection port and the second valve connection port, the second sealing strip is located between the first valve connection port and the third valve connection port, the third sealing strip is located between the third valve connection port and the fourth valve connection port, and the fourth sealing strip is located between the second valve connection port and the fourth valve connection port; a first baffle is provided on the side of the first guide channel away from the vertical partition, and a second baffle is provided on the side of the second guide channel away from the vertical partition, when the electric cylinder driving structure When the valve core is driven to rotate to an initial position, the front side of the vertical partition is in close contact with the first sealing strip, and the rear side is in close contact with the third sealing strip; when the electric cylinder driving structure drives the valve core to rotate clockwise to one position, the front side of the first baffle is in close contact with the second sealing strip, the rear side of the first baffle is in close contact with the third sealing strip, the front side of the second baffle is in close contact with the first sealing strip, and the rear side of the second baffle is in close contact with the fourth sealing strip; when the electric cylinder driving structure drives the valve core to rotate counterclockwise to another position, the front side of the first baffle is in close contact with the first sealing strip, the rear side of the first baffle is in close contact with the second sealing strip, the front side of the second baffle is in close contact with the fourth sealing strip, and the rear side of the second baffle is in close contact with the third sealing strip.
[0009] A preferred solution is that an upper sealing ring is provided between the upper end cover and the upper side of the valve body, and a lower sealing ring is provided between the lower end cover and the lower side of the valve body.
[0010] A preferred solution is that the valve body is integrally cast from ductile iron.
[0011] A preferred solution is that the valve shaft is rotatably connected to the valve body via an upper bearing and a lower bearing, and the upper bearing and the lower bearing are respectively provided with bearing sealing rings.
[0012] A preferred solution is.
[0013] The high-efficiency liquid four-way reversing valve provided by the embodiment of the utility model has at least the following beneficial effects: the electric cylinder driving structure drives the valve core assembly to rotate, and when the valve core assembly rotates, the water flow direction can be conveniently reversed, and the control is convenient and the control accuracy is high.
[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the utility model;
[0016] Figure 2 The utility model is a cross-sectional view Figure 1 ;
[0017] Figure 3 The utility model is a cross-sectional view Figure 2 ;
[0018] Figure 4 This is a cross-sectional view of the valve body in the utility model. Figure 1 ;
[0019] Figure 5 This is a cross-sectional view of the valve body in the utility model. Figure 2 ;
[0020] Figure 6 It is a three-dimensional diagram of the valve core assembly in the utility model;
[0021] Figure 7 It is a stereoscopic diagram of the electric cylinder driving structure in the utility model. DETAILED DESCRIPTION
[0022] In order to explain the idea and purpose of the present application, the present application will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", "left", "right", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0025] like Figures 1 to 7 As shown, the embodiment of the present application provides a high-efficiency liquid four-way reversing valve, including a valve body 10, a valve core assembly 20 and an electric cylinder driving structure 30; the front end of the valve body 10 is provided with a first valve connection port 11 and a second valve connection port 12, and the rear end of the valve body 10 is provided with a third valve connection port 13 and a fourth valve connection port 14; the valve core assembly 20 is rotatably arranged in the valve body 10, the valve core assembly 20 includes a valve shaft 22 and a valve core 21, the valve core 21 is connected to the valve shaft 22, and the valve core 21 is divided into a first guide channel 211, a second guide channel 212, a third guide channel 213 and a fourth guide channel 214 through a horizontal partition 23 and a vertical partition 24, one side of the upper part of the valve core 21 is the first guide channel 211, the other side of the upper part of the valve core 21 is the second guide channel 212, one side of the lower part of the valve core 21 is the third guide channel 213, and the other side of the lower part of the valve core 21 is the fourth guide channel 214, the electric cylinder driving structure 30 is used to drive the valve core assembly 20 to rotate along the valve body 10; when the electric cylinder driving structure 30 drives the valve core 21 to rotate to the initial position, the first valve connection port 11, the first guide channel 211 and the third valve connection port 13 are connected, and the second valve connection port 12, the second guide channel 212 and the fourth valve connection port 14 are connected; when the electric cylinder driving structure 30 drives the valve core 21 to rotate clockwise to one position, the first valve connection port 11, the second guide channel 212 and the fourth valve connection port 14 are connected, and the second valve connection port 12, the fourth guide channel 214 and the third valve connection port 13 are connected; when the electric cylinder driving structure 30 drives the valve core 21 to rotate counterclockwise to another position, the second valve connection port 12, the first guide channel 211 and the third valve connection port 13 are connected, and the first valve connection port 11, the third guide channel 213 and the fourth valve connection port 14 are connected.
[0026] like Figures 1 to 7 As shown, the valve body 10 is a skeleton part of the utility model, which has the function of supporting and installing various components. The valve body 10 is formed by integral casting of ductile iron without welding, and can be assembled and used after the sealing position is finely machined by machine tools. It has the characteristics of high strength and high precision.
[0027] like Figures 1 to 7As shown, the valve core assembly 20 includes a valve core 21, a valve shaft 22, an upper sealing ring of the valve core 21 and a lower sealing ring of the valve core 21. The center of the valve core 21 is tightly installed with the valve shaft 22. The valve shaft 22 is rotatably connected to the valve body 10. One end of the valve shaft 22 extends out of the valve body 10. The end of the valve shaft 22 extending out of the valve body 10 is connected to the electric cylinder driving structure 30. The electric cylinder driving structure 30 drives the valve shaft 22 to rotate clockwise or counterclockwise. The valve core 21 is divided into a first guide channel 211, a second guide channel 212, a third guide channel 213 and a fourth guide channel 214 through a horizontal partition 23 and a vertical partition 24. The water flow direction of the first valve connection port 11, the second valve connection port 12, the third valve connection port 13 and the fourth valve connection port 14 can be changed by rotating the valve shaft 22.
[0028] like Figures 1 to 7 As shown, under normal circumstances, the first valve connection port 11, the first guide channel 211 and the third valve connection port 13 are connected, the second valve connection port 12, the second guide channel 212 and the fourth valve connection port 14 are connected, water flows from the first valve connection port 11 through the first guide channel 211 to the third valve connection port 13, and water flows from the second valve connection port 12 through the second guide channel 212 to the fourth valve connection port 14, and the water flows in parallel.
[0029] like Figures 1 to 7 As shown, when the electric cylinder driving structure 30 drives the valve core 21 to rotate clockwise to a position, the first valve connection port 11, the second guide channel 212 and the fourth valve connection port 14 are connected, the second valve connection port 12, the fourth guide channel 214 and the third valve connection port 13 are connected, the water flows from the first valve connection port 11 along the second guide channel 212 to the fourth valve connection port 14, the water flows from the second valve connection port 12 through the fourth guide channel 214 to the third valve connection port 13, and the water flows crosswise.
[0030] like Figures 1 to 7 As shown, when the electric cylinder driving structure 30 drives the valve core 21 to rotate counterclockwise to another position, the second valve connection port 12, the first guide channel 211 and the third valve connection port 13 are connected, and the first valve connection port 11, the third guide channel 213 and the fourth valve connection port 14 are connected, and the water flows from the second valve connection port 12 through the first guide channel 211 to the third valve connection port 13, and the water flows from the first valve connection port 11 through the third guide channel 213 to the fourth valve connection port 14, and the water flows crosswise.
[0031] like Figures 1 to 7As shown, through holes are penetrated on the upper and lower sides of the valve body 10, the upper side of the valve body 10 is covered by an upper end cover 15, and the lower side of the valve body 10 is covered by a lower end cover 16, the valve shaft 22 is rotatably connected to the upper end cover 15 and the lower end cover 16 respectively, the electric cylinder driving structure 30 includes an electric cylinder 31 and a driving shaft 32, one end of the driving shaft 32 is fixedly connected to the valve shaft 22, and the other end is rotatably connected to the telescopic shaft of the electric cylinder 31, and the electric cylinder 31 drives the valve shaft 22 to rotate through the driving shaft 32.
[0032] In some embodiments, Figures 1 to 7 As shown, the valve body 10 is evenly provided with a first sealing strip 111, a second sealing strip 112, a third sealing strip 113 and a fourth sealing strip 114, the first sealing strip 111, the second sealing strip 112, the third sealing strip 113 and the fourth sealing strip 114 extend from the upper end to the lower end of the valve body 10, the first sealing strip 111 is located between the first valve connection port 11 and the second valve connection port 12, the second sealing strip 112 is located between the first valve connection port 11 and the third valve connection port 13, the third sealing strip 113 is located between the third valve connection port 13 and the fourth valve connection port 14, and the fourth sealing strip 114 is located between the second valve connection port 12 and the fourth valve connection port 14; a first baffle 25 is provided on a side of the first guide channel 211 away from the vertical partition 24, and a second baffle 26 is provided on a side of the second guide channel 212 away from the vertical partition 24. When the electric cylinder is driven When the electric cylinder driving structure 30 drives the valve core 21 to rotate to the initial position, the front side of the vertical partition 24 is in close contact with the first sealing strip 111, and the rear side is in close contact with the third sealing strip 113; when the electric cylinder driving structure 30 drives the valve core 21 to rotate clockwise to one position, the front side of the first baffle 25 is in close contact with the second sealing strip 112, the rear side of the first baffle 25 is in close contact with the third sealing strip 113, the front side of the second baffle 26 is in close contact with the first sealing strip 111, and the rear side of the second baffle 26 is in close contact with the fourth sealing strip 114; when the electric cylinder driving structure 30 drives the valve core 21 to rotate counterclockwise to another position, the front side of the first baffle 25 is in close contact with the first sealing strip 111, the rear side of the first baffle 25 is in close contact with the second sealing strip 112, the front side of the second baffle 26 is in close contact with the fourth sealing strip 114, and the rear side of the second baffle 26 is in close contact with the third sealing strip 113.
[0033] like Figures 1 to 7As shown, under normal circumstances, the first valve connection port 11, the first guide channel 211 and the third valve connection port 13 are connected, the second valve connection port 12, the second guide channel 212 and the fourth valve connection port 14 are connected, water flows from the first valve connection port 11 through the first guide channel 211 to the third valve connection port 13, and water flows from the second valve connection port 12 through the second guide channel 212 to the fourth valve connection port 14, and the water flows straight in and out.
[0034] like Figures 1 to 7 As shown, the electric cylinder driving structure 30 pushes the valve core assembly 20 to rotate 45 degrees clockwise, and the inside of the valve body 10 and the valve core 21 change to a cross-type water flow direction, that is, the first valve connection port 11, the second guide channel 212 and the fourth valve connection port 14 are connected, the second valve connection port 12, the fourth guide channel 214 and the third valve connection port 13 are connected, and the water flows from the first valve connection port 11 along the second guide channel 212 to the fourth valve connection port 14, and the water flows from the second valve connection port 12 through the fourth guide channel 214 to the third valve connection port 13, and the water flows crosswise. When the valve core assembly 20 rotates 45 degrees counterclockwise, the water flow direction returns to its original position, that is, the water flows straight in and out.
[0035] like Figures 1 to 7 As shown, when the valve core assembly 20 continues to rotate counterclockwise by 45 degrees, the second valve connection port 12, the first guide channel 211 and the third valve connection port 13 are connected, the first valve connection port 11, the third guide channel 213 and the fourth valve connection port 14 are connected, the water flows from the second valve connection port 12 through the first guide channel 211 to the third valve connection port 13, the water flows from the first valve connection port 11 through the third guide channel 213 to the fourth valve connection port 14, and the water flows crosswise.
[0036] like Figures 1 to 7 As shown, the first sealing strip 111 , the second sealing strip 112 , the third sealing strip 113 and the fourth sealing strip 114 mainly play a sealing role.
[0037] like Figures 1 to 7 As shown, an upper sealing ring is provided between the upper end cover 15 and the upper side of the valve body 10 , and a lower sealing ring is provided between the lower end cover 16 and the lower side of the valve body 10 .
[0038] like Figures 1 to 7 As shown, the valve body 10 is integrally cast from ductile iron.
[0039] like Figures 1 to 7 As shown, the valve body 10 adopts an integrated casting process, the valve body 10 has no welding stress, is more reliable to use, avoids the safety hazards of internal welding, such as internal sand holes, cracks, etc., and eliminates the hidden dangers of cracking and leakage;
[0040] like Figures 1 to 7 As shown, the electric cylinder driving structure 30 is used to drive the valve core assembly 20 , which has higher precision and self-locking capability, thereby avoiding muddy water inside the valve body 10 .
[0041] like Figures 1 to 7 As shown, the valve shaft 22 is rotatably connected to the valve body 10 via an upper bearing and a lower bearing, and the upper bearing and the lower bearing are respectively provided with bearing sealing rings.
[0042] The above is a specific implementation of the present utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications are also considered to be within the protection scope of the present utility model.
Claims
1. A high-efficiency liquid four-way reversing valve, characterized in that: The invention comprises a valve body, a valve core assembly and an electric cylinder driving structure; the front end of the valve body is provided with a first valve connection port and a second valve connection port, and the rear end of the valve body is provided with a third valve connection port and a fourth valve connection port; the valve core assembly is rotatably arranged in the valve body, the valve core assembly comprises a valve shaft and a valve core, the valve core is connected to the valve shaft, the valve core is divided into a first guide channel, a second guide channel, a third guide channel and a fourth guide channel through a horizontal partition and a vertical partition, one side of the upper part of the valve core is the first guide channel, the other side of the upper part of the valve core is the second guide channel, one side of the lower part of the valve core is the third guide channel, and the other side of the lower part of the valve core is the fourth guide channel, and the electric cylinder driving structure is used to drive The valve core assembly rotates along the valve body; when the electric cylinder driving structure drives the valve core to rotate to the initial position, the first valve connection port, the first guide channel and the third valve connection port are connected, and the second valve connection port, the second guide channel and the fourth valve connection port are connected; when the electric cylinder driving structure drives the valve core to rotate clockwise to one position, the first valve connection port, the second guide channel and the fourth valve connection port are connected, and the second valve connection port, the fourth guide channel and the third valve connection port are connected; when the electric cylinder driving structure drives the valve core to rotate counterclockwise to another position, the second valve connection port, the first guide channel and the third valve connection port are connected, and the first valve connection port, the third guide channel and the fourth valve connection port are connected.
2. The high-efficiency liquid four-way reversing valve according to claim 1, characterized in that: The upper and lower sides of the valve body are penetrated by through holes, the upper side of the valve body is covered by an upper end cover, and the lower side of the valve body is covered by a lower end cover, the valve shaft is rotatably connected to the upper end cover and the lower end cover respectively, the electric cylinder driving structure includes an electric cylinder and a driving shaft, one end of the driving shaft is fixedly connected to the valve shaft, and the other end is rotatably connected to the telescopic shaft of the electric cylinder, and the electric cylinder drives the valve shaft to rotate via the driving shaft.
3. The high-efficiency liquid four-way reversing valve according to claim 1 or 2, characterized in that: The valve body is evenly provided with a first sealing strip, a second sealing strip, a third sealing strip and a fourth sealing strip, the first sealing strip, the second sealing strip, the third sealing strip and the fourth sealing strip extend from the upper end to the lower end of the valve body, the first sealing strip is located between the first valve connection port and the second valve connection port, the second sealing strip is located between the first valve connection port and the third valve connection port, the third sealing strip is located between the third valve connection port and the fourth valve connection port, and the fourth sealing strip is located between the second valve connection port and the fourth valve connection port; a first baffle is provided on the side of the first guide channel away from the vertical partition, and a second baffle is provided on the side of the second guide channel away from the vertical partition, when the electric cylinder driving structure drives the valve When the core rotates to an initial position, the front side of the vertical partition is in close contact with the first sealing strip, and the rear side is in close contact with the third sealing strip; when the electric cylinder driving structure drives the valve core to rotate clockwise to one position, the front side of the first baffle is in close contact with the second sealing strip, the rear side of the first baffle is in close contact with the third sealing strip, the front side of the second baffle is in close contact with the first sealing strip, and the rear side of the second baffle is in close contact with the fourth sealing strip; when the electric cylinder driving structure drives the valve core to rotate counterclockwise to another position, the front side of the first baffle is in close contact with the first sealing strip, the rear side of the first baffle is in close contact with the second sealing strip, the front side of the second baffle is in close contact with the fourth sealing strip, and the rear side of the second baffle is in close contact with the third sealing strip.
4. The high-efficiency liquid four-way reversing valve according to claim 2, characterized in that: An upper sealing ring is arranged between the upper end cover and the upper side of the valve body, and a lower sealing ring is arranged between the lower end cover and the lower side of the valve body.
5. The high-efficiency liquid four-way reversing valve according to claim 1, characterized in that: The valve body is integrally cast from ductile iron.
6. The high-efficiency liquid four-way reversing valve according to claim 1, characterized in that: The valve shaft is rotatably connected to the valve body through an upper bearing and a lower bearing, and the upper bearing and the lower bearing are respectively provided with bearing sealing rings.