Hydroelectric generator

Abstract

The utility model discloses a hydroelectric generator which comprises a shell and a base installed below the shell, and an impeller is arranged in the base. A limiting piece is arranged in the middle of the base, and the impeller is prevented from moving downwards through the limiting piece. And the limiting piece and a central shaft of the impeller are concentrically arranged. The limiting piece prevents the impeller from moving downwards through an arranged rolling piece. A containing groove used for containing the rolling piece is further formed in the middle of the limiting piece. And the rolling piece is spherical. In conclusion, due to the fact that the limiting piece is arranged on the base, the impeller is prevented from excessively moving downwards through the limiting piece, and the problems that due to the fact that the impeller drives the motor shaft to excessively move downwards, friction resistance is increased when the rotor rotates, the phenomenon of heating occurs when a generator works, and the rotating speed of the impeller is reduced due to increase of resistance are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of faucet power generation equipment, in particular to a micro water flow generator. Background Art

[0002] Existing micro hydroelectric generators, such as CN 215719195 U, CN210769125U, CN215719195U and other prior arts; when the above patented products are actually used, water flows through the water inlet and directly impacts the impeller. Although it can drive the impeller to rotate, the pressure of the water flow completely covers the entire impeller, which easily causes the impeller to move up and down. Once the distance between the impeller moving up and down is too large, it will cause the motor shaft of the generator to move downward excessively, which will increase the resistance to the rotation of the rotor, causing the generator to heat up and affecting the service life of the generator. Utility Model Content

[0003] The purpose of the utility model is to provide a water flow generator to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hydroelectric generator, comprising a shell, a base installed below the shell, and an impeller arranged inside the base; a limit piece is provided in the middle of the base, and the impeller is prevented from moving downward by the limit piece.

[0005] As a preferred technical solution of the utility model: the limit member is arranged concentrically with the central axis of the impeller.

[0006] As a preferred technical solution of the utility model: the limiting member prevents the impeller from moving downward by means of a rolling member.

[0007] As a preferred technical solution of the utility model: a placement groove for placing a rolling element is also provided in the middle of the limiting member.

[0008] As a preferred technical solution of the utility model: the rolling element is spherical.

[0009] By adopting the above technical scheme, the beneficial effect of the utility model is as follows: since a limit member is arranged on the base, the limit member is utilized to prevent the impeller from moving excessively downward, so as to avoid the increase of frictional resistance when the rotor rotates due to the impeller driving the motor shaft to move excessively downward, causing the generator to generate heat when working, and reducing the impeller speed due to the increase of resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an exploded schematic diagram of the main structure of the utility model;

[0011] Figure 2This is a schematic diagram of the main structure of the base of the utility model;

[0012] Figure 3 It is a schematic diagram of the cross-sectional structure of the base of the utility model.

[0013] In the figure: 1. casing; 2. rolling element; 3. base; 4. placement groove; 5. limiter; 6. impeller. DETAILED DESCRIPTION

[0014] Embodiments of the present utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present utility model, and should not be construed as limitations on the present utility model. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "upper surface", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.

[0015] See also Figure 1-3 The utility model provides an embodiment: a hydroelectric generator, including a shell 1, a base 3 installed below the shell 1, and an impeller 6 is arranged inside the base 3; a limit member 5 is arranged in the middle of the base 3, and the limit member 5 prevents the impeller 6 from moving downward.

[0016] To summarize, since the limit member 5 is provided on the base 3, the limit member 5 is utilized to prevent the impeller 6 from moving excessively downward, so as to avoid the problem that the friction resistance increases when the rotor rotates due to the impeller 6 driving the motor shaft to move excessively downward, causing the generator to generate heat when working, and reducing the rotation speed of the impeller 6 due to the increased resistance.

[0017] Furthermore, since the limiting member 5 is arranged concentrically with the central axis of the impeller 6 , the limiting member 5 can stably and reliably prevent the impeller 6 from excessively moving downward.

[0018] On the basis of the above scheme, since the limit member 5 prevents the impeller 6 from moving downward by the provided rolling member 2, when the impeller 6 contacts the rolling member 2, the rolling of the rolling member 2 is utilized to reduce the friction resistance between the impeller 6 and the limit member 5, thereby reducing the wear of the impeller 6 without affecting the rotation of the impeller 6.

[0019] Furthermore, since a placement groove 4 for placing the rolling element 2 is also provided in the middle of the limiting element 5 , a reliable working position can be provided for the rolling element 2 to avoid the phenomenon of limiting failure of the rolling element 2 .

[0020] Furthermore, since the rolling element 2 is spherical, rolling friction is generated between the impeller 6 and the limiting element 5 to solve the disadvantageous factors caused by sliding friction.

[0021] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A hydroelectric generator, characterized in that: It comprises a housing (1), a base (3) installed below the housing (1), and an impeller (6) is arranged inside the base (3); A limiting member (5) is provided in the middle of the base (3), and the limiting member (5) prevents the impeller (6) from moving downward.

2. A hydroelectric generator according to claim 1, characterized in that: The limiting member (5) is arranged concentrically with the central axis of the impeller (6).

3. A hydroelectric generator according to claim 1, characterized in that: The limiting member (5) prevents the impeller (6) from moving downwards by means of a rolling member (2) provided thereon.

4. A hydroelectric generator according to claim 3, characterized in that: The middle part of the limiting member (5) is also provided with a placement groove (4) for placing the rolling member (2).

5. A hydroelectric generator according to claim 4, characterized in that: The rolling element (2) is spherical.

Images