Flow regulating valve

Abstract

The utility model provides a flow regulating valve. The flow regulating valve comprises a valve body and a regulating part, wherein a valve cavity is formed in the valve body, an opening is formed in one end of the valve body, and the valve cavity is communicated with the outside through the opening; an input channel and an output channel are further formed in the valve body, one ends of the input channel and the output channel communicate with the valve cavity, and the other ends of the input channel and the output channel communicate with the outside. One end of the adjusting piece is arranged in the valve cavity, and a liquid passing seam is formed in the end, entering the valve cavity, of the adjusting piece. The input channel and the output channel are communicated through the liquid passing seam so that the communication opening degree between the liquid passing seam and the input channel can be adjusted or the communication opening degree between the liquid passing seam and the output channel can be adjusted through axial movement of the adjusting piece in the valve cavity, and then flow adjustment is achieved. Compared with a conventional flow regulating valve, the flow regulating valve is based on the structure that the liquid passing seam is small, fine regulation of flow is achieved, and use experience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a flow regulating valve. Background Art

[0002] A flow control valve is a valve used to control the flow of liquid or gas passing through it. Its principle is generally to adjust the flow of the fluid by changing the opening of the valve.

[0003] Currently, common flow control valves include ball valves, butterfly valves, etc., but these control valves still have the defect of low adjustment accuracy. They are difficult to apply to usage scenarios that require fine adjustment of the flow, and the user experience is poor. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a flow control valve, and the specific technical solution is as follows:

[0005] The utility model provides a flow regulating valve, comprising a valve body and a regulating member;

[0006] The valve body has a valve cavity inside, and an opening is formed at one end of the valve body, through which the valve cavity is connected to the outside world; an input channel and an output channel are formed in the valve body, one end of the input channel and the output channel are connected to the valve cavity, and the other end of the input channel and the output channel are connected to the outside world;

[0007] One end of the regulating member is arranged in the valve cavity, and a liquid gap is provided on the end of the regulating member entering the valve cavity; the input channel and the output channel are connected through the liquid gap, so that the axial movement of the regulating member in the valve cavity can be used to adjust the connection opening between the liquid gap and the input channel, or the connection opening between the liquid gap and the output channel, thereby realizing flow regulation.

[0008] In a specific embodiment, the regulating member includes a regulating column and an extension column which are coaxially arranged and connected to each other at one end, the regulating column is located in the valve cavity, and one end of the extension column away from the regulating column is exposed to the outside through the opening;

[0009] One end of the epitaxial column connected to the regulating column is provided with a notch along the circumferential direction, and the notch forms a liquid storage gap between the epitaxial column and the inner wall of the valve cavity;

[0010] The liquid gap is opened on the adjusting column and one end of the liquid gap extends to the epitaxial column; the end of the liquid gap away from the epitaxial column is connected to the output channel, and the other end of the liquid gap is connected to the input channel through the liquid storage gap; the connection opening between the end of the liquid gap close to the liquid storage gap and the liquid storage gap can be adjusted by axial movement of the adjusting column and the epitaxial column.

[0011] In a specific embodiment, a liquid-passing column is further provided on the regulating column, and the end of the liquid-passing gap away from the epitaxial column is connected to the output channel through the liquid-passing column; the diameter of the liquid-passing column is greater than the width of the liquid-passing gap.

[0012] In a specific embodiment, the length range and width range of the liquid gap located on the epitaxial column are both between 0.05 mm and 0.15 mm.

[0013] In a specific embodiment, grooves are provided at intervals on the side wall of the regulating member, a sealing ring is provided in the groove, and one side of the sealing ring is sealingly connected to the inner wall of the valve cavity.

[0014] In a specific embodiment, a limiting groove is provided on one of the inner wall of the valve cavity and the side wall of the adjusting member, and a limiting protrusion is provided on the other of the inner wall of the valve cavity and the side wall of the adjusting member, so that the limiting groove cooperates with the limiting protrusion to achieve the limitation of the adjusting member when it moves axially in the valve cavity.

[0015] In a specific embodiment, the liquid passage gap is provided at one end of the regulating member located in the valve cavity, and the liquid passage gap extends along the axial direction of the regulating member.

[0016] In a specific embodiment, the width of the liquid gap ranges from 0.05 mm to 0.15 mm.

[0017] In a specific embodiment, a locking piece for fixing the adjusting piece is further provided at the opening of the valve body.

[0018] In a specific embodiment, one end of the input channel is connected to the outside world, and / or one end of the output channel is connected to the outside world, and an external connector is also provided.

[0019] The utility model has at least the following beneficial effects:

[0020] The utility model has a liquid gap on the regulating member, and the axial movement of the regulating member in the valve cavity adjusts the communication opening between the liquid gap and the input channel or the output channel, thereby realizing flow regulation. Compared with other flow regulating valves in the prior art, the utility model realizes fine adjustment of flow based on the fine structure of the liquid gap, and has a good user experience.

[0021] Furthermore, the regulating member may include a regulating column and an epitaxial column connected to each other at one end, and a notch is provided in the epitaxial column along the circumferential direction, so that a liquid storage gap is formed between the epitaxial column and the inner wall of the valve cavity, thereby realizing the buffering of the input liquid through the liquid storage gap. In addition, the end of the liquid gap away from the liquid storage gap can be connected to the output channel through the liquid column, so that the input liquid is easier to output to the output channel based on the larger caliber of the liquid column, and the device has good flow performance. Other aspects, such as the setting of the limiting protrusion and the limiting groove, also further improve the user experience of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model;

[0025] Figure 3 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0026] Figure 4 It is a partial cross-sectional schematic diagram of the utility model;

[0027] Figure 5 is a schematic diagram of the overall structure of an adjusting member in an embodiment;

[0028] Figure 6 A detailed schematic diagram of a liquid gap in an embodiment;

[0029] Figure 7 It is a schematic diagram of the overall structure of the adjusting member from another perspective.

[0030] Reference numerals:

[0031] 1-valve body; 11-valve cavity; 12-opening; 13-input channel; 14-output channel; 2-adjusting member; 21-liquid gap; 22-adjusting column; 221-liquid passage column; 23-extension column; 231-notch; 3-liquid storage gap; 4-groove; 5-sealing ring; 6-limiting groove; 61-first end; 62-second end; 7-limiting protrusion; 8-locking piece; 9-external connector. DETAILED DESCRIPTION

[0032] In the following, various embodiments of the present invention will be described more fully. The present invention may have various embodiments, and adjustments and changes may be made therein. However, it should be understood that there is no intention to limit the various embodiments of the present invention to the specific embodiments disclosed herein, but rather the present invention should be understood to cover all adjustments, equivalents and / or alternatives that fall within the spirit and scope of the various embodiments of the present invention.

[0033] Hereinafter, the terms "include" or "may include" used in various embodiments of the present invention indicate the presence of disclosed functions, operations or elements, and do not limit the addition of one or more functions, operations or elements. In addition, as used in various embodiments of the present invention, the terms "include", "have" and their cognates are intended only to indicate specific features, numbers, steps, operations, elements, components or combinations of the foregoing, and should not be understood as first excluding the presence of one or more other features, numbers, steps, operations, elements, components or combinations of the foregoing or the possibility of adding one or more features, numbers, steps, operations, elements, components or combinations of the foregoing.

[0034] In various embodiments of the present invention, the expression "or" or "at least one of A or / and B" includes any combination or all combinations of the words listed at the same time. For example, the expression "A or B" or "at least one of A or / and B" may include A, may include B, or may include both A and B.

[0035] The expressions (such as "first", "second", etc.) used in the various embodiments of the present invention may modify the various components in the various embodiments, but may not limit the corresponding components. For example, the above expressions do not limit the order and / or importance of the elements. The above expressions are only used for the purpose of distinguishing one element from other elements. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, without departing from the scope of the various embodiments of the present invention, the first element may be referred to as the second element, and similarly, the second element may also be referred to as the first element.

[0036] It should be noted that in the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Please refer to Figures 1 to 3The utility model provides a flow regulating valve, comprising: a valve body 1 and a regulating member 2.

[0038] Specifically, the valve body 1 has a valve cavity 11 inside, and an opening 12 is provided at one end of the valve body 1, and the valve cavity 11 is connected to the outside through the opening 12. An input channel 13 and an output channel 14 are provided inside the valve body 1, and one end of the input channel 13 and the output channel 14 are connected to the valve cavity 11, and the other end of the two are connected to the outside.

[0039] One end of the regulating member 2 is disposed in the valve cavity 11, and a liquid gap 21 is provided on the end of the regulating member 2 that enters the valve cavity 11. The input channel 13 and the output channel 14 are connected through the liquid gap 21, so that the communication opening between the liquid gap 21 and the input channel 13 or the communication opening between the liquid gap 21 and the output channel 14 can be adjusted by axial movement of the regulating member 2 in the valve cavity 11, thereby realizing flow regulation.

[0040] Please continue to refer to Figures 1 to 3 The following is an example of the adjustment member 2 moving axially in the valve cavity 11 to adjust the opening between the liquid gap 21 and the input channel 13 to introduce the principle of the present invention. Specifically, the present invention sets one end of the adjustment member 2 in the valve cavity 11 and opens the liquid gap 21 thereon, so that the side wall of the adjustment member 2 abuts against the inner wall of the valve cavity 11, thereby blocking the connection between the input channel 13 and the output channel 14, and thus making the liquid gap 21 a medium for connecting the input channel 13 and the output channel 14. Figure 3 It can be understood that the portion of the liquid gap 21 corresponding to the input channel 13 is directly connected to the input channel 13, while the portion of the liquid gap 21 abutting against the inner wall of the valve cavity 11 is indirectly connected to the input channel 13. The size of the portion of the liquid gap 21 directly connected to the input channel 13 is also the connection opening described above. The larger the portion of the liquid gap 21 directly connected to the input channel 13, the greater the flow rate that can pass through; otherwise, the smaller. Based on this, the utility model can increase or decrease the size of the portion of the liquid gap 21 corresponding to the input channel 13 by controlling the axial movement of the regulating member 2 in the valve cavity 11, thereby realizing the regulation and control of the flow rate.

[0041] It should be noted that the flow control valve of the present invention can be used for both liquid flow control and gas flow control, and the name of the liquid gap 21 is not used to limit its actual application scenario. In addition, the present invention can achieve flow control by adjusting the opening of the connection between the liquid gap 21 and the output channel 14, and can also achieve flow control by adjusting the opening of the connection between the liquid gap 21 and the input channel 13.

[0042] Optionally, in practical applications, the number of input channels 13 and output channels 14 can be one or more. In addition, the other end of the adjusting member 2 can extend to the outside through the opening 12 for manual adjustment by the operator (controlling its axial movement); or, the other end of the adjusting member 2 can also be located in the valve cavity 11, and by connecting other connecting members (not shown in the figure), the other connecting members extend from the opening 12 to the outside for manual adjustment by the operator; or, the other end of the adjusting member 2 can be connected to a driving device (not shown in the figure), such as a motor, to achieve automatic adjustment of the adjusting member 2.

[0043] Please refer to Figures 3 to 7 In one embodiment, the regulating member 2 includes a regulating column 22 and an extension column 23 which are coaxially arranged and interconnected at one end. The regulating column 22 is located in the valve cavity 11, and one end of the extension column 23 away from the regulating column 22 is exposed to the outside through the opening 12, so that the regulating column 22 and the extension column 23 can be controlled to move axially by operating the end of the extension column 23 exposed to the outside.

[0044] One end of the epitaxial column 23 connected to the regulating column 22 is also provided with a notch 231 along the circumferential direction. The notch 231 forms a liquid storage gap 3 between the epitaxial column 23 and the inner wall of the valve cavity 11. The liquid storage gap 3 can act as a buffer for the liquid.

[0045] Specifically, the liquid gap 21 is opened on the adjusting column 22 and one end is extended to the epitaxial column 23. The end of the liquid gap 21 away from the epitaxial column 23 is connected to the output channel 14, and the other end of the liquid gap 21 is connected to the input channel 13 through the liquid storage gap 3. Therefore, by axial movement of the adjusting column 22 and the epitaxial column 23, the connection opening between the end of the liquid gap 21 close to the liquid storage gap 3 and the liquid storage gap 3 is adjusted, thereby realizing flow regulation.

[0046] In practical applications, refer to Figures 3 to 5 , the diameter of the epitaxial column 23 can be made larger than the diameter of the regulating column 22, and the shape of the valve cavity 11 can be adapted to the shapes of the epitaxial column 23 and the regulating column 22. In this case, when the regulating column 22 moves to the extreme position in the direction away from the liquid storage gap 3, since the diameter of the epitaxial column 23 is larger than that of the regulating column 22, the epitaxial column 23 cannot pass through the valve cavity 11 whose shape is adapted to the regulating column 22, so that the liquid gap 21 extending to the epitaxial column 23 will always be directly connected to the liquid storage gap 3, while the liquid gap 21 located on the regulating column 22 is indirectly connected to the liquid storage gap 3 at this time, that is, the device is in the minimum flow state at this time, and the minimum flow state is also the idle state of the device, and the size of the minimum flow depends on the size of the liquid gap 21 located on the epitaxial column 23.

[0047] Optionally, the length range and width range of the liquid gap 21 on the epitaxial column 23 may be between 0.05 mm and 0.15 mm. Preferably, the length range and width range of the liquid gap 21 on the epitaxial column 23 are both 0.1 mm.

[0048] Based on the above embodiments, please refer to Figure 3 and Figure 7 , a liquid-passing column 221 may be provided on the regulating column 22, and the end of the liquid-passing gap 21 away from the epitaxial column 23 is connected to the output channel 14 through the liquid-passing column 221, and the diameter of the liquid-passing column 221 is greater than the width of the liquid-passing gap 21. It can be understood that the setting of the liquid-passing column 221 does not affect the flow rate of the liquid during input, and the setting of the liquid-passing column 221 can make the liquid that has entered the liquid-passing gap 21 output to the output channel 14 through its larger diameter, thereby improving the flow performance of the device.

[0049] Optionally, the diameter of the liquid-passing column 221 may range from 0.5 mm to 1.5 mm. Preferably, the diameter of the liquid-passing column 221 is set to 1.0 mm.

[0050] In a specific embodiment, grooves 4 are provided at intervals on the side wall of the adjusting member 2, and a sealing ring 5 is provided in the groove 4. One side of the sealing ring 5 is sealed and connected to the inner wall of the valve cavity 11. For example, please refer to Figure 3 and Figure 5 In the embodiment where the regulating member 2 includes the regulating column 22 and the extension column 23, a groove 4 is provided on the regulating column 22, and the sealing ring 5 in the groove 4 is sealed and connected to the inner wall of the valve cavity 11, so that the sealing performance between the input channel 13 and the output channel 14 is better, and the risk of the input liquid passing through the gap between the side wall of the regulating column 22 and the inner wall of the valve cavity 11 is reduced. Furthermore, a groove 4 is also provided on the side of the extension column 23 close to the opening 12, and the sealing ring 5 in the groove 4 is sealed and connected to the inner wall of the valve cavity 11, so that the sealing performance between the input channel 13 and the opening 12 is better, and the risk of the input liquid overflowing from the opening 12 is reduced.

[0051] Specifically, the grooves 4 can be arranged along the circumference of the adjustment column 22 and the epitaxial column 23, and the plurality of grooves 4 can be arranged at intervals along the axial direction. Optionally, the number of grooves 4 and sealing rings 5 ​​can be set according to actual conditions. For example, the number of grooves 4 and sealing rings 5 ​​on the adjustment column 22 is 1, and the number of grooves 4 and sealing rings 5 ​​on the epitaxial column 23 is 2.

[0052] In a specific embodiment, a limiting groove 6 is provided on one side of the inner wall of the valve cavity 11 and the side wall of the regulating member 2, and a limiting protrusion 7 is provided on the other side of the inner wall of the valve cavity 11 and the side wall of the regulating member 2, so that the limiting groove 6 and the limiting protrusion 7 cooperate to limit the axial movement of the regulating member 2 in the valve cavity 11. For example, please refer to Figure 3 and Figure 4 In the embodiment where the regulating member 2 includes the regulating column 22 and the extension column 23, the limiting protrusion 7 can be arranged on the extension column 23, and the limiting groove 6 can be arranged on the inner wall of the valve cavity 11. Specifically, the limiting groove 6 has a first end 61 and a second end 62. When the extension column 23 and the regulating column 22 move axially, the limiting protrusion 7 abuts against the first end 61, and the device is in the maximum flow state; when the extension column 23 and the regulating column 22 move axially, the limiting protrusion 7 abuts against the second end 62, the regulating column 22 moves to the limit position mentioned above, and the device is in the minimum flow state.

[0053] Please refer to Figure 3 , 5 In a specific embodiment, the liquid gap 21 is provided at one end of the regulating member 2 located in the valve cavity 11, and the liquid gap 21 extends along the axial direction of the regulating member 2. It can be understood that during the axial movement of the regulating member 2, the degree of communication between the axially extending liquid gap 21 and the input channel 13 or the output channel 14 changes evenly, so as to facilitate the operator to adjust the flow at a uniform speed. In practical applications, the liquid gap 21 can also be provided obliquely.

[0054] Optionally, the width of the liquid gap 21 may range from 0.05 mm to 0.15 mm. Preferably, the width of the liquid gap 21 is set to 0.1 mm. Figure 7 The liquid gap 21 extends along the axial direction of the regulating member 2 , and the liquid gap 21 penetrates the regulating member 2 along the radial direction of the regulating member 2 .

[0055] In a specific embodiment, referring to Figures 1 to 3 The opening 12 of the valve body 1 is also provided with a locking piece 8 for fixing the adjusting piece 2. For example, the locking piece 8 may be an M12 locking nut. In addition, an end of the input channel 13 connected to the outside world, and / or an end of the output channel 14 connected to the outside world, is also provided with an external connector 9. For example, the external connector 9 may be a standard 1 / 8 NPT threaded M5 connector.

[0056] In summary, the flow control valve of the utility model mainly adjusts the flow rate by opening a liquid gap 21 on the adjusting member 2 and adjusting the connection opening between the liquid gap 21 and the input channel 13 or the output channel 14 through the axial movement of the adjusting member 2. Compared with other flow control valves in the prior art, the utility model realizes fine adjustment of the flow rate based on the fine structure of the liquid gap 21 (the width range can be between 0.05mm and 0.15mm), has a good user experience, and is worthy of wide promotion.

[0057] Those skilled in the art can understand that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, and the modules or processes in the accompanying drawings are not necessarily required for implementing the present utility model.

[0058] Those skilled in the art will appreciate that the modules in the device in the implementation scenario can be distributed in the device in the implementation scenario according to the implementation scenario description, or can be changed accordingly and located in one or more devices different from the implementation scenario. The modules in the above implementation scenario can be combined into one module, or can be further split into multiple sub-modules.

[0059] The above serial numbers of the utility model are for description only and do not represent the advantages or disadvantages of the implementation scenarios.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flow control valve, It is characterized in that Including valve body and regulating parts; The valve body has a valve cavity inside, and an opening is formed at one end of the valve body, through which the valve cavity is connected to the outside world; an input channel and an output channel are formed in the valve body, one end of the input channel and the output channel are connected to the valve cavity, and the other end of the input channel and the output channel are connected to the outside world; One end of the regulating member is arranged in the valve cavity, and a liquid gap is provided on the end of the regulating member entering the valve cavity; the input channel and the output channel are connected through the liquid gap, so that the communication opening between the liquid gap and the input channel or the communication opening between the liquid gap and the output channel can be adjusted by axial movement of the regulating member in the valve cavity, thereby realizing flow regulation; The regulating member comprises a regulating column and an epitaxial column which are coaxially arranged and connected to each other at one end, the liquid gap is provided on the regulating column and one end of the regulating column is extended to the epitaxial column; The diameter of the epitaxial column is greater than the diameter of the regulating column, and the shape of the valve cavity is adapted to the shapes of the epitaxial column and the regulating column.

2. A flow control valve according to claim 1, It is characterized in that The regulating column is located in the valve cavity, and one end of the extension column away from the regulating column is exposed to the outside through the opening; One end of the epitaxial column connected to the regulating column is provided with a notch along the circumferential direction, and the notch forms a liquid storage gap between the epitaxial column and the inner wall of the valve cavity; One end of the liquid gap away from the epitaxial column is connected to the output channel, and the other end of the liquid gap is connected to the input channel through the liquid storage gap; The degree of communication between one end of the liquid gap close to the liquid storage gap and the liquid storage gap is adjusted by axial movement of the adjustment column and the epitaxial column.

3. A flow control valve according to claim 2, It is characterized in that The regulating column is also provided with a liquid-passing column, and the end of the liquid-passing gap away from the epitaxial column is connected to the output channel through the liquid-passing column; the diameter of the liquid-passing column is greater than the width of the liquid-passing gap.

4. A flow control valve according to claim 2, It is characterized in that The length range and width range of the liquid gap located on the epitaxial column are both between 0.05 mm and 0.15 mm.

5. A flow control valve according to claim 1, It is characterized in that Grooves are arranged at intervals on the side wall of the regulating member, a sealing ring is arranged in the groove, and one side of the sealing ring is sealed and connected to the inner wall of the valve cavity.

6. A flow control valve according to claim 1, It is characterized in that A limiting groove is provided on one of the inner wall of the valve cavity and the side wall of the adjusting member, and a limiting protrusion is provided on the other of the inner wall of the valve cavity and the side wall of the adjusting member, so that the limiting groove cooperates with the limiting protrusion to achieve the limitation of the adjusting member when it moves axially in the valve cavity.

7. A flow control valve according to claim 1, It is characterized in that The liquid passage gap is arranged at one end of the regulating member located in the valve cavity, and the liquid passage gap extends along the axial direction of the regulating member.

8. A flow control valve according to claim 1 or 7, It is characterized in that The width of the liquid gap ranges from 0.05 mm to 0.15 mm.

9. A flow control valve according to claim 1, It is characterized in that A locking piece for fixing the adjusting piece is also provided at the opening of the valve body.

10. A flow control valve according to claim 1, It is characterized in that One end of the input channel is connected to the outside world, and / or one end of the output channel is connected to the outside world, and an external connector is also provided.

Images