Valve capable of conveniently adjusting flow

Abstract

The utility model relates to the technical field of valves, in particular to a valve convenient to adjust flow, which comprises a valve body and a transmission case, an outer valve rod is slidably arranged in the valve body, an upper valve plate is fixedly arranged at the lower end of the outer valve rod, and a lower valve plate is rotatably sleeved on the inner side of the lower surface of the upper valve plate. An upper through groove and a lower through groove are formed in the surface of the upper valve plate and the surface of the lower valve plate respectively and correspond to each other up and down, the motor drives the inner valve rod to rotate so as to drive the lower valve plate to rotate, the upper through groove in the surface of the upper valve plate corresponds to the lower through groove in the surface of the lower valve plate gradually, and therefore the flow is adjusted. The rotating wheel can be rotated to drive the large gear to rotate so as to act on the small gear and drive the lead screw to rotate, the lead screw drives the nut on the surface to move upwards and drives the lifting plate to ascend, and therefore the outer valve rod, the inner valve rod, the upper valve plate and the lower valve plate are driven to ascend, the valve is completely opened as a whole, and flow adjustment is more convenient and more labor-saving.

Description

Technical Field

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

[0002] Valves are control components in fluid delivery systems with functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves used in fluid control systems can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The flow rate of the liquid can be adjusted by adjusting the valve. Therefore, the demand for valves that are easy to adjust the flow rate is growing.

[0003] Existing valves all adjust the flow rate by rotating the valve plate or the ball inside the valve. The advantage of this adjustment method is simplicity, but the overall rotation of the valve plate or the ball inside the valve is more laborious. If frequent adjustments are required, manual adjustments greatly increase the labor intensity.

[0004] Therefore, a valve that is convenient for adjusting flow is needed to improve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a valve that is convenient for adjusting flow, so as to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A valve that is convenient for regulating flow, includes a valve body and a transmission box, an outer valve stem is slidingly provided inside the valve body, an upper valve plate is fixedly provided at the lower end of the outer valve stem, a lower valve plate is rotatably provided on the inner side of the lower surface of the upper valve plate, and an upper through groove and a lower through groove are respectively provided on the upper valve plate and the upper valve plate surface, the upper through groove and the lower through groove are arranged correspondingly up and down, an inner valve stem is rotatably provided inside the outer valve stem, the lower end of the inner valve stem is fixedly connected to the lower valve plate, and a transmission box is fixedly provided at the upper end of the valve body.

[0008] As a preferred solution of the present invention, screw rods are rotatably provided on both sides of the transmission box, and small gears are fixed on the surface of the screw rods.

[0009] As a preferred solution of the present invention, a rotating wheel is rotatably provided on the upper end of the transmission box, and a large gear is fixedly provided on the lower end of the rotating wheel, and the large gear is meshed and connected with the small gear.

[0010] As a preferred solution of the present invention, a nut is threadedly connected to the surface of the screw rod, a lifting plate is fixedly provided on one side of the nut, and the lifting plate is fixedly connected to the upper end of the outer valve stem.

[0011] As a preferred solution of the present invention, a motor is fixedly provided on the upper end of the lifting plate, and the output end of the motor is transmission-connected to the inner valve stem.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. In the utility model, the inner valve stem is driven to rotate by the motor, thereby driving the lower valve plate to rotate, so that the upper and lower grooves on the surfaces of the upper and lower valve plates gradually correspond to each other, thereby adjusting the flow rate. The large gear can be driven to rotate by rotating the runner, thereby acting on the small gear, driving the screw rod to rotate, and the screw rod drives the nut on the surface to move upward, driving the lifting plate to rise, thereby driving the outer valve stem, the inner valve stem, the upper valve plate and the lower valve plate to rise, and the valve is fully opened as a whole, making it more convenient and labor-saving to adjust the flow rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 3 This is a bottom view of the structure of the lower valve plate of the present invention;

[0017] Figure 4 This is a schematic diagram of the top structure of the upper valve plate of the present invention.

[0018] In the figure: 1. Rotor; 2. Large gear; 3. Motor; 4. Lifting plate; 5. Transmission box; 6. Outer valve stem; 7. Inner valve stem; 8. Valve body; 9. Upper valve plate; 10. Lower valve plate; 11. Pinion; 12. Screw rod; 13. Nut; 14. Upper through groove; 15. Lower through groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0021] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0022] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0023] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A valve that is convenient for adjusting flow rate, includes a valve body 8 and a transmission box 5, an outer valve stem 6 is slidingly provided inside the valve body 8, an upper valve plate 9 is fixedly provided at the lower end of the outer valve stem 6, a lower valve plate 10 is rotatably provided on the inner side of the lower surface of the upper valve plate 9, and an upper through groove 14 and a lower through groove 15 are respectively provided on the surface of the upper valve plate 9, the upper through groove 14 and the lower through groove 15 are arranged correspondingly up and down, an inner valve stem 7 is rotatably provided inside the outer valve stem 6, the lower end of the inner valve stem 7 is fixedly connected to the lower valve plate 10, a transmission box 5 is fixedly provided at the upper end of the valve body 8, the inner valve stem 7 is driven to rotate by the motor 3, thereby driving the lower valve plate 10 to rotate, so that the upper through groove 14 and the lower through groove 15 on the surface of the upper valve plate 9 and the lower valve plate 10 gradually correspond to each other, thereby adjusting the flow rate.

[0026] As an example of the present invention, screw rods 12 are rotatably provided on both sides of the transmission box 5 , and pinions 11 are fixedly provided on the surfaces of the screw rods 12 .

[0027] As an example of the present invention, a rotating wheel 1 is rotatably provided at the upper end of the transmission box 5 , and a large gear 2 is fixedly provided at the lower end of the rotating wheel 1 , and the large gear 2 is meshed and connected with the small gear 11 .

[0028] As an example of the present invention, a nut 13 is threadedly connected to the surface of the screw rod 12 , and a lifting plate 4 is fixedly provided on one side of the nut 13 , and the lifting plate 4 is fixedly connected to the upper end of the outer valve stem 6 .

[0029] As an example of the present invention, a motor 3 is fixedly provided at the upper end of the lifting plate 4, and the output end of the motor 3 is transmission-connected to the inner valve stem 7. The large gear 2 can be driven to rotate by rotating the runner 1, thereby acting on the small gear 11, driving the screw rod 12 to rotate, and the screw rod 12 drives the nut 13 on the surface to move upward, driving the lifting plate 4 to rise, thereby driving the outer valve stem 6, the inner valve stem 7, the upper valve plate 9 and the lower valve plate 10 to rise, and the valve is fully opened as a whole.

[0030] Working principle: When in use, the motor 3 drives the inner valve stem 7 to rotate, thereby driving the lower valve plate 10 to rotate, so that the upper through grooves 14 and the lower through grooves 15 on the surfaces of the upper valve plate 9 and the lower valve plate 10 gradually correspond to each other, thereby adjusting the flow rate. The large gear 2 can be driven to rotate by rotating the runner 1, thereby acting on the small gear 11, driving the screw rod 12 to rotate, and the screw rod 12 drives the nut 13 on the surface to move upward, driving the lifting plate 4 to rise, thereby driving the outer valve stem 6, the inner valve stem 7, the upper valve plate 9 and the lower valve plate 10 to rise, and the valve is fully opened as a whole.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve for easily adjusting flow, comprising a valve body (8) and a transmission box (5), characterized in that: An outer valve stem (6) is slidingly provided inside the valve body (8), an upper valve plate (9) is fixedly provided at the lower end of the outer valve stem (6), a lower valve plate (10) is rotatably provided on the inner side of the lower surface of the upper valve plate (9), and an upper through groove (14) and a lower through groove (15) are respectively provided on the surfaces of the upper valve plate (9) and the upper valve plate (9), the upper through groove (14) and the lower through groove (15) are arranged correspondingly up and down, an inner valve stem (7) is rotatably provided inside the outer valve stem (6), the lower end of the inner valve stem (7) is fixedly connected to the lower valve plate (10), and a transmission box (5) is fixedly provided on the upper end of the valve body (8).

2. A valve for facilitating flow regulation according to claim 1, characterized in that: Screw rods (12) are rotatably provided on both sides of the transmission box (5), and a small gear (11) is fixedly provided on the surface of the screw rods (12).

3. A valve for facilitating flow regulation according to claim 2, characterized in that: The upper end of the transmission box (5) is rotatably provided with a rotating wheel (1), and the lower end of the rotating wheel (1) is fixedly provided with a large gear (2), and the large gear (2) is meshedly connected with a small gear (11).

4. A valve for facilitating flow regulation according to claim 3, characterized in that: The surface of the screw rod (12) is threadedly connected with a nut (13), and a lifting plate (4) is fixedly provided on one side of the nut (13), and the lifting plate (4) is fixedly connected to the upper end of the outer valve stem (6).

5. The valve for facilitating flow regulation according to claim 4, characterized in that: A motor (3) is fixedly provided on the upper end of the lifting plate (4), and the output end of the motor (3) is transmission-connected to the inner valve stem (7).

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