CN216478717U

CN216478717U - Hand generator rotating shaft

Info

Publication number: CN216478717U
Application number: CN202123308666.8U
Authority: CN
Inventors: 俞华芳
Original assignee: Chongqing Sike Biou Technology Co ltd
Current assignee: Chongqing Sike Biou Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-10
Anticipated expiration: 2031-12-27

Abstract

The patent relates to the technical field of generators, in particular to a rotating shaft of a hand generator, which comprises a planetary gear train, a hand input shaft and a central shaft, the planetary gear train comprises a sun gear, a plurality of planet gears, a planet carrier and a gear ring, the planet carrier is fixedly connected with the hand-operated input shaft, the planet gears are rotationally connected to the planet carrier, the planet gears are meshed with the gear ring, the sun gear is fixed at the top of the central shaft, the sun gear is engaged with a plurality of planet gears, the number of teeth of the planet gears is greater than that of the sun gear, a gear ring in the planet gear train is fixed with the generator shell, the number of teeth of the planet gears in the planet gear train is greater than that of the sun gear, through the transmission of the planetary gear train, the rotating speed of the sun wheel fixedly connected with the central shaft is far greater than that of the hand-operated input shaft, thereby make the center pin rotate fast, solved the hard problem of current hand generator electricity generation.

Description

Hand generator rotating shaft

Technical Field

The utility model relates to a generator technical field specifically is hand generator pivot.

Background

The hand generator set is used as emergency power generation equipment for charging the storage battery in a power-free environment, the application field of the hand generator set is very wide, the hand generator set is not greatly different from a common generator, the generator generally comprises a rotor and a stator, the rotor formed by magnets is positioned inside the stator formed by copper wires, and when power is generated, the rotor is driven by a rotating shaft to rotate inside the stator so as to generate current. The portable hand-operated power generation and rechargeable emergency power supply can be actively applied to the states of field operations, field investigation, rescue actions, emergency communication, long-term power shortage, traveling, emergency power utilization and the like. Most of the existing hand generators adopt 1: 1 transmission to rotate a rotor, so that the hand generator is labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hand generator pivot to solve the difficult problem of current hand generator electricity generation.

In order to achieve the above object, the basic scheme of the present invention is as follows: hand generator pivot, including planetary gear train, hand input shaft and central axle, planetary gear train includes sun gear, a plurality of planet wheel, planet carrier and ring gear, the planet carrier is with hand input shaft fixed connection, and is a plurality of the planet wheel rotates to be connected on the planet carrier, and is a plurality of planet wheel and ring gear meshing, the sun gear is fixed at the central axle top, just sun gear and a plurality of planet wheel meshing, the number of teeth of planet wheel is greater than the number of teeth of sun gear.

The beneficial effects of the basic scheme are as follows: this scheme is equipped with planetary gear train between hand input shaft and central shaft, and fixed with ring gear in the planetary gear train and generator housing, the number of teeth of planet wheel in the planetary gear train is greater than the number of teeth of sun gear, through planetary gear train transmission, with the sun gear rotational speed of central shaft fixed connection will be with the rotational speed that is far more than hand input shaft to make the central shaft rotate fast, compare with current hand generator, under the same rotational speed rotation equal number of turns circumstances of central shaft, hand input shaft pivoted rotational speed and number of turns in this scheme all obviously reduce, thereby it is more laborsaving.

Further, still include fixing base and a plurality of bearing, it is a plurality of the bearing is fixed respectively in the upper portion and the bottom of center pin, and the bearing that is located center pin upper portion is used for rotating center pin and generator housing and is connected, and the bearing that is located the center pin bottom is connected with fixing base fixed connection, be equipped with a plurality of mounting holes on the fixing base. The planetary gear train, the hand-operated input shaft and the central shaft are convenient to be fixed to the generator shell.

Furthermore, a limiting ring is fixed in the middle of the central shaft. Fix two permanent magnets respectively on the center pin of spacing ring top and below, place the stator in the spacing ring outer lane, and not with the spacing ring contact to make two permanent magnets press from both sides the stator in the centre, and the permanent magnet rotates along with the center pin and can not influence the stator, thereby make the generating effect better.

Furthermore, a pin groove is formed in the central shaft and penetrates through the limiting ring. The permanent magnet passes through cotter and center pin fixed connection, and the installation that can be quick, firm accomplishes the permanent magnet is fixed.

Further, the planet wheel is provided with two. The scheme is a specific selection of a basic scheme.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a front view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a center shaft in an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Reference numerals in the drawings of the specification include: hand input shaft 1, center pin 2, fixing base 3, bearing 4, sun gear 5, planet wheel 6, planet carrier 7, ring gear 8, mounting hole 9, spacing ring 10, cotter way 11.

Examples

Substantially as shown in the attached figures 1 and 2: a hand generator rotating shaft comprises a planetary gear 6 system, a hand input shaft 1, a handle, a central shaft 2, a fixed seat 3 and a plurality of bearings 4, wherein the handle is fixedly connected with the hand input shaft 1 (the handle is not shown in the figure), the planetary gear 6 system comprises a sun gear 5, two planetary gears 6, a planetary carrier 7 and a gear ring 8, the planetary carrier 7 is fixedly connected with the hand input shaft 1, as shown in the figure 3, the two planetary gears 6 are rotatably connected to the planetary carrier 7, the two planetary gears 6 are meshed with the gear ring 8, the gear ring 8 is fixedly connected with a generator housing, the sun gear 5 is fixed on the top of the central shaft 2, the sun gear 5 is meshed with the two planetary gears 6, the number of teeth of the planetary gears 6 is 5 times that of the sun gear 5, the plurality of bearings 4 are respectively fixed on the upper portion and the bottom of the central shaft 2 and the upper portion of the hand input shaft 1, as shown in the figure 4, the bearing 4 positioned on the upper portion of the central shaft 2 is used for rotatably connecting the central shaft 2 with the generator housing, lie in bearing 4 and the 3 fixed connection of fixing base of 2 bottoms on center pin, the bearing 4 that lies in 1 upper portion of hand input shaft is used for rotating hand output shaft and generator housing and is connected, is equipped with a plurality of mounting holes 9 on the fixing base 3, and fixing base 3 passes through bolt and generator housing fixed connection, and the middle part of center pin 2 is fixed with spacing ring 10, is equipped with cotter way 11 on the center pin 2, and cotter way 11 runs through spacing ring 10.

The specific implementation process is as follows: fix two permanent magnets respectively on spacing ring 10 top and center pin 2 of below through the round pin key, place the stator in spacing ring 10 outer lane, and not contact with spacing ring 10 to make two permanent magnets press from both sides the stator in the centre, and the permanent magnet rotates along with center pin 2 and can not influence the stator, the number of teeth of planet wheel 6 in planet wheel 6 is greater than the number of teeth of sun gear 5, through planet wheel 6 transmission, with the 5 rotational speeds of sun gear 5 of 2 fixed connection of center pin will be with being greater than hand input shaft 1's rotational speed far away, thereby make center pin 2 rotate fast, compare with current hand generator, under the condition that center pin 2 rotates equal number of turns with the same rotational speed, hand input shaft 1 pivoted rotational speed and number in this scheme all obviously reduce, thereby it is more laborsaving.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the capability of applying the conventional experimental means before this date, and those skilled in the art can complete and implement the schemes in combination with their own capability, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Hand generator pivot, its characterized in that: including planetary gear train, hand input shaft and central axle, planetary gear train includes sun gear, a plurality of planet wheel, planet carrier and ring gear, planet carrier and hand input shaft fixed connection, it is a plurality of the planet wheel rotates to be connected on the planet carrier, and is a plurality of planet wheel and ring gear meshing, the sun gear is fixed at the central axle top, just sun gear and a plurality of planet wheel meshing, the number of teeth of planet wheel is greater than the number of teeth of sun gear.

2. The hand-operated generator shaft according to claim 1, characterized in that: the generator shell is characterized by further comprising a fixing seat and a plurality of bearings, the bearings are fixed to the upper portion and the bottom of the central shaft respectively, the bearing located on the upper portion of the central shaft is used for rotatably connecting the central shaft with the generator shell, the bearing located on the bottom of the central shaft is fixedly connected with the fixing seat, and the fixing seat is provided with a plurality of mounting holes.

3. The hand generator shaft of claim 2, wherein: a limiting ring is fixed in the middle of the central shaft.

4. A hand-operated generator shaft as claimed in claim 3, wherein: the central shaft is provided with a pin groove, and the pin groove penetrates through the limiting ring.

5. The hand-operated generator shaft according to claim 4, wherein: the planet wheel is provided with two.