A double-curved flow channel regulating valve

Abstract

The application belongs to the field of fluid control valves and provides a double-curved-channel regulating valve, which comprises a valve body and a valve core. The valve body forms an upper chamber, a lower chamber, an intermediate channel connecting the upper chamber and the lower chamber, an input flange and an output flange coaxially and separately arranged, an input channel connected to the upper chamber formed on the input flange, and an output channel connected to the lower chamber formed on the output flange. The input channel and the output channel are both curved channels and are symmetrically arranged about the geometric center of the intermediate channel. The valve core is arranged inside the valve body and is used for adjusting the opening degree of the intermediate channel.

Description

Technical Field

[0001] This application belongs to the field of fluid control valves, and particularly relates to a hyperboloid flow channel regulating valve. Background Technology

[0002] Existing valve body designs suffer from geometric abrupt changes and uneven wall thickness, leading to stress concentrations during casting at flange connections and flow channel bends. These areas are prone to crack propagation under long-term alternating loads, resulting in premature valve body cracking or deformation and significantly shortening service life. Furthermore, the large instantaneous flow rate changes during initial opening or closing can easily create water hammer effects, causing pipeline impact. Therefore, it is necessary to address these technical problems. Utility Model Content

[0003] The purpose of this application is to provide a hyperboloid flow channel regulating valve to solve the technical problem of short valve body life in the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is: to provide a hyperboloid flow channel regulating valve, comprising: The valve body forms an upper chamber, a lower chamber, and an intermediate channel connecting the upper chamber and the lower chamber. It also forms an input-side flange and an output-side flange that are coaxially spaced apart. The valve body forms an input channel connecting to the upper chamber from the input-side flange and an output channel connecting to the lower chamber from the output-side flange. Both the input channel and the output channel are curved channels and are symmetrically arranged about the geometric center of the intermediate channel. A valve core is disposed inside the valve body and is used to adjust the opening of the intermediate channel.

[0005] Optionally, the valve body has a first sidewall and a second sidewall for forming the input channel, and also has a third sidewall and a fourth sidewall for forming the output channel; The first sidewall, the second sidewall, the third sidewall, and the fourth sidewall are all formed with curved surfaces. The first sidewall and the third sidewall are symmetrically arranged about the geometric center of the intermediate channel, and the second sidewall and the fourth sidewall are symmetrically arranged about the geometric center of the intermediate channel.

[0006] Optionally, the valve body is arranged symmetrically about the geometric center of the intermediate channel, forming the sidewalls of the upper chamber and the lower chamber.

[0007] Optionally, the hyperboloid flow channel regulating valve further includes a flow guide cylinder and a valve stem; The flow guide tube forms an adjustment channel that is coaxially and sealedly connected with the intermediate channel. The side wall of the flow guide tube used to form the adjustment channel also forms a flow groove hole that connects the adjustment channel to the upper chamber. The flow groove hole extends along the axial direction of the adjustment channel and forms a tip at one end near the intermediate channel. The valve core is disposed within the regulating channel and is shaped to fit the regulating channel. The valve stem is drivenly connected to the valve core and is used to drive the valve core to move axially along the regulating channel.

[0008] Optionally, the flow channel is formed in an arc shape at the end away from the intermediate channel.

[0009] Optionally, multiple flow channels are evenly arranged around the axial direction of the adjustment channel.

[0010] Optionally, the end of all the flow channels near the intermediate channel is located on two virtual inclined surfaces that are symmetrical to each other and inclined relative to the axis of the adjustment channel.

[0011] Optionally, the inclined surface forms an angle of 80° to 81° with the axial direction of the adjustment channel.

[0012] Optionally, the hyperboloid flow channel regulating valve further includes a bushing with structural strength superior to that of the valve body; The bushing is coaxially fitted onto the flow guide cylinder and is placed radially between the flow guide cylinder and the valve body.

[0013] Optionally, the hyperboloid flow channel regulating valve further includes an end cap connected to the valve body; The bushing is also positioned axially between the end cap and the valve body of the flow guide cylinder.

[0014] The beneficial effects of the hyperboloid flow channel regulating valve provided in this application are as follows: Compared with the prior art, in the hyperboloid flow channel regulating valve provided in this application, the input channel and the output channel form a curved surface shape that is symmetrical about the geometric center of the middle channel. This symmetrical curved surface structure can, on the one hand, allow the fluid to flow along the smooth curved surface, effectively reducing flow resistance; on the other hand, it can also make the molten metal flow more uniformly during the casting process of the valve body, thereby effectively eliminating the phenomenon of stress concentration. This can significantly extend the service life of the hyperboloid flow channel regulating valve in this embodiment, which is far superior to the prior art. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic cross-sectional view of the hyperboloid flow channel regulating valve in an embodiment of this application; Figure 2 This is a schematic diagram of the valve body structure of the hyperboloid flow channel regulating valve in the embodiments of this application; Figure 3 This is a schematic diagram of the overall structure of the flow guide tube in the embodiment of this application; Figure 4 This is a schematic diagram of the main structure of the flow guide tube in the embodiment of this application; Figure 5 This is a side view of the flow guide tube in an embodiment of this application. Figure 6 For along Figure 4 Cross-sectional view of line AA in the middle.

[0017] In the figure, the following reference numerals are used: 100, valve body; 101, upper chamber; 102, lower chamber; 103, intermediate channel; 104, input side flange; 105, output side flange; 106, input channel; 107, output channel; 161, first side wall; 162, second side wall; 171, third side wall; 172, fourth side wall; 200, valve core; 300, flow guide tube; 301, regulating channel; 302, flow groove; 303, inclined surface; 400, valve stem; 500, bushing; 600, end cap. Detailed Implementation

[0018] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0019] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0020] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0022] Please refer to the following: Figures 1 to 6 The present application provides an embodiment of a hyperboloid flow channel regulating valve. This hyperboloid flow channel regulating valve includes a valve body 100 and a valve core 200. Wherein: The valve body 100 forms an upper chamber 101, a lower chamber 102, and an intermediate channel 103 connecting the upper chamber 101 and the lower chamber 102. It also forms an input-side flange 104 and an output-side flange 105 coaxially spaced apart. An input channel 106 connecting to the upper chamber 101 is formed from the input-side flange 104, and an output channel 107 connecting to the lower chamber 102 is formed from the output-side flange 105. Both the input channel 106 and the output channel 107 are curved channels and are symmetrically arranged about the geometric center of the intermediate channel 103. The valve core 200 is disposed inside the valve body 100 and is used to adjust the opening degree of the intermediate channel 103. It is understood that the valve core 200 in this embodiment is a common structure in the art. The valve core 200 is usually connected to a drive structure, such as a motor, for driving the movement of the valve core 200, which will not be described in detail here.

[0023] According to the structure provided in this embodiment, in the hyperboloid flow channel regulating valve provided in this embodiment, the input channel 106 and the output channel 107 form a curved surface shape that is symmetrical about the geometric center of the intermediate channel 103. This symmetrical curved surface structure allows the fluid to flow along the smooth curved surface, effectively reducing flow resistance. On the other hand, it also allows the molten metal in the valve body 100 to flow more uniformly during the casting process, and the uniformity during solidification and shrinkage is good, thereby effectively eliminating stress concentration. This can significantly extend the service life of the hyperboloid flow channel regulating valve in this embodiment, which is far superior to the prior art.

[0024] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6The valve body 100 has a first sidewall 161 and a second sidewall 162 for forming an input channel 106, and a third sidewall 171 and a fourth sidewall 172 for forming an output channel 107; the first sidewall 161, the second sidewall 162, the third sidewall 171 and the fourth sidewall 172 are all formed with curved surfaces, the first sidewall 161 and the third sidewall 171 are symmetrically arranged about the geometric center of the intermediate channel 103, and the second sidewall 162 and the fourth sidewall 172 are symmetrically arranged about the geometric center of the intermediate channel 103. According to the structure provided in this embodiment, by designing the first sidewall 161 and the second sidewall 162 of the input channel 106 and the third sidewall 171 and the fourth sidewall 172 of the output channel 107 as symmetrical curved surface structures, the stress state of the valve body 100 can be optimized by utilizing the geometric symmetry characteristics. In this way, the valve body 100 can be subjected to force balance during the process of fluid passing through the input channel 106 and the output channel 107, which is also conducive to further extending the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0025] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 The side walls of the valve body 100 used to form the upper chamber 101 and the side walls used to form the lower chamber 102 are symmetrically arranged about the geometric center of the intermediate channel 103. According to the structure provided in this embodiment, the symmetrically designed upper chamber 101 and lower chamber 102 can further reduce stress concentration on the valve body 100, which is also beneficial to further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0026] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 The hyperboloid flow channel regulating valve also includes a flow guide cylinder 300 and a valve stem 400. The flow guide cylinder 300 forms a regulating channel 301 that is coaxially and sealed with the intermediate channel 103. A flow groove 302 is formed on the side wall of the flow guide cylinder 300 that connects the regulating channel 301 to the upper chamber 101. The flow groove 302 extends axially along the regulating channel 301 and forms a pointed end near the intermediate channel 103. The valve core 200 is disposed within the regulating channel 301 and is shaped to fit the regulating channel 301. The valve stem 400 is drively connected to the valve core 200 and is used to drive the valve core 200 to move axially along the regulating channel 301. For ease of explanation, this embodiment uses a "V"-shaped pointed end formed by the flow groove 302 as an example. In actual implementation, the valve stem 400 also needs to be connected to a commonly used drive structure in the art, such as a motor, to drive the valve core 200; this will not be elaborated further here.

[0027] According to the structure provided in this embodiment, since the regulating channel 301 and the intermediate channel 103 are coaxially sealed and connected, the fluid entering from the input channel 106 can only enter the regulating channel 301 through the flow groove 302 formed on the flow guide cylinder 300 and then pass through the intermediate channel 103. Thus, when the valve core 200 approaches the intermediate channel 103 along the axial direction of the regulating channel 301 under the action of the valve stem 400, the opening of the flow groove 302 gradually decreases. Furthermore, since the end of the flow groove 302 near the intermediate channel 103 forms a V-shaped tip, the flow groove 302 can gradually decrease its opening and then close during the movement of the valve core 200. This effectively reduces the impact on the valve body 100 caused by the sudden closure of the flow channel, thereby further extending the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0028] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 The flow passage 302 forms an arc shape at the end away from the intermediate channel 103. According to the structure provided in this embodiment, the arc shape formed at the end of the flow passage 302 away from the intermediate channel 103 can further reduce the impact of fluid on the valve body 100 when the fluid passes through the flow passage 302, which is also conducive to further extending the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0029] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 Multiple flow channels 302 are evenly arranged around the axial direction of the regulating channel 301. According to the structure provided in this embodiment, multiple flow channels 302 can provide a larger adjustment range when the fluid passes through the flow channels 302, which is also beneficial to further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0030] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 All the flow passages 302 are located on two virtual inclined surfaces 303 that are symmetrical to each other and inclined relative to the axial direction of the regulating channel 301, at one end near the middle channel 103. According to the structure provided in this embodiment, the multiple flow passages 302 can be completely closed or opened one by one during the movement of the valve core 200. In this way, the disconnection of the fluid during the opening or closing process is a gradual and smooth change, which can further avoid the fluid from causing a large impact on the valve body 100, and thus also helps to further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0031] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6The inclined surface 303 forms an angle of 80° to 81° with the axial direction of the regulating channel 301. For ease of explanation, this embodiment uses the angle C formed between the inclined surface 303 and the plane perpendicular to the axial direction of the regulating channel 301 as an example. It can be understood that the size of angle C is between 9° and 10°. According to the structure provided in this embodiment, the inclined surface 303 adopting the above-mentioned angle setting can further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0032] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 The hyperboloid flow channel regulating valve also includes a bushing 500 with structural strength superior to that of the valve body 100. The bushing 500 is coaxially fitted onto the flow guide cylinder 300 and is positioned radially between the flow guide cylinder 300 and the valve body 100. According to the structure provided in this embodiment, the bushing 500, with structural strength superior to that of the valve body 100 and positioned between the flow guide cylinder 300 and the valve body 100, can provide more stable support for the flow guide cylinder 300, which also helps to further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0033] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 6 The hyperboloid flow channel regulating valve also includes an end cap 600 connected to the valve body 100; a bushing 500 is also disposed between the end cap 600 and the valve body 100 in the axial direction of the flow guide cylinder 300. According to the structure provided in this embodiment, the end cap 600 connected to the valve body 100 can cooperate with the valve body 100 to make the bushing 500 more stably installed and fixed, which is also beneficial to further extend the service life of the hyperboloid flow channel regulating valve in this embodiment.

[0034] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A hyperboloid flow channel regulating valve, characterized in that, include: The valve body (100) forms an upper chamber (101), a lower chamber (102), and an intermediate channel (103) connecting the upper chamber (101) and the lower chamber (102). It also forms an input-side flange (104) and an output-side flange (105) arranged coaxially. The valve body (100) forms an input channel (106) from the input-side flange (104) that connects to the upper chamber (101), and an output channel (107) from the output-side flange (105) that connects to the lower chamber (102). The input channel (106) and the output channel (107) are both curved channels and are symmetrically arranged about the geometric center of the intermediate channel (103). A valve core (200) is disposed inside the valve body (100) and is used to adjust the opening of the intermediate channel (103).

2. The hyperboloid flow channel regulating valve as described in claim 1, characterized in that: The valve body (100) has a first sidewall (161) and a second sidewall (162) for forming the input channel (106), and also has a third sidewall (171) and a fourth sidewall (172) for forming the output channel (107). The first sidewall (161), the second sidewall (162), the third sidewall (171) and the fourth sidewall (172) are all formed with curved surfaces. The first sidewall (161) and the third sidewall (171) are symmetrically arranged about the geometric center of the intermediate channel (103), and the second sidewall (162) and the fourth sidewall (172) are symmetrically arranged about the geometric center of the intermediate channel (103).

3. The hyperboloid flow channel regulating valve as described in claim 2, characterized in that: The valve body (100) is arranged symmetrically about the geometric center of the intermediate channel (103) for forming the side wall of the upper chamber (101) and the side wall of the lower chamber (102).

4. The hyperboloid flow channel regulating valve as described in claim 1, characterized in that: The hyperboloid flow channel regulating valve also includes a flow guide tube (300) and a valve stem (400). The flow guide tube (300) forms an adjustment channel (301) that is coaxially and sealedly connected with the intermediate channel (103). The flow guide tube (300) also forms a flow groove (302) on the side wall of the adjustment channel (301) to connect the adjustment channel (301) to the upper chamber (101). The flow groove (302) extends along the axial direction of the adjustment channel (301) and forms a tip at one end near the intermediate channel (103). The valve core (200) is disposed in the regulating channel (301) and is shaped to fit the regulating channel (301). The valve stem (400) is connected to the valve core (200) and is used to drive the valve core (200) to move axially along the regulating channel (301).

5. The hyperboloid flow channel regulating valve as described in claim 4, characterized in that: The flow passage (302) is arc-shaped at the end away from the intermediate channel (103).

6. The hyperboloid flow channel regulating valve as described in claim 4, characterized in that: Multiple flow channels (302) are evenly arranged around the axis of the adjustment channel (301).

7. The hyperboloid flow channel regulating valve as described in claim 6, characterized in that: All of the flow passages (302) are located on two virtual inclined surfaces (303) that are symmetrical to each other and are axially inclined relative to the adjustment channel (301) at one end near the intermediate channel (103).

8. The hyperboloid flow channel regulating valve as described in claim 7, characterized in that: The inclined plane (303) forms an angle of 80° to 81° with the axis of the adjustment channel (301).

9. The hyperboloid flow channel regulating valve as described in claim 4, characterized in that: The hyperboloid flow channel regulating valve also includes a bushing (500) with structural strength superior to that of the valve body (100). The bushing (500) is coaxially fitted onto the flow guide tube (300) and is placed radially between the flow guide tube (300) and the valve body (100).

10. The hyperboloid flow channel regulating valve as described in claim 9, characterized in that: The hyperboloid flow channel regulating valve also includes an end cap (600) connected to the valve body (100). The bushing (500) is also placed between the end cap (600) and the valve body (100) in the axial direction of the flow guide cylinder (300).

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