CN114257042A - Small-size hand generator - Google Patents

Abstract

The patent relates to the technical field of generators, in particular to a small-sized hand generator, which comprises a shell, a hand power assembly, a rotor and a stator, wherein the hand power assembly is arranged on the shell, the rotor comprises two permanent magnetic disks and a rotating shaft, the top end of the rotating shaft is fixedly connected with the hand power assembly, the bottom end of the rotating shaft is rotatably connected with the bottom surface of the shell, a limiting ring is fixed in the middle of the rotating shaft, the two permanent magnetic disks are respectively fixed on the rotating shaft above and below the limiting ring, the stator is sleeved outside the limiting ring, the stator is fixedly connected with the shell, the stator is arranged between the two permanent magnetic disks, compared with the existing arrangement mode that the rotor formed by the magnets is positioned in the stator formed by the copper wires, the scheme does not need to reserve the installation space of the stator in the circumferential direction of the permanent magnetic disk, therefore, the diameter and the height of the whole generator are reduced, the whole structure is more compact, and the problem that the design structure of the rotor and the stator of the conventional generator is large in size at present is solved.

Description

Small-size hand generator

Technical Field

The invention relates to the technical field of generators, in particular to a small-sized hand generator.

Background

The hand-operated generator set is used as emergency power generation equipment for charging the storage battery in a power-supply-free environment, the application field of the hand-operated generator set is very wide, and the portable hand-operated emergency power supply capable of generating power and charging can be actively applied in the states of field operations, field investigation, rescue actions, emergency communication, long-term power shortage, traveling, emergency power utilization and the like. Hand generator does not have too big difference with ordinary generator, and the generator generally includes rotor and stator, and the rotor that constitutes by magnet is located inside the stator that constitutes by the copper wire, and when the electricity generation, the pivot drives the rotor again and rotates in stator inside, and then produces the electric current, and the design structure volume of present conventional generator rotor and stator is great, be unfavorable for hand-carrying or be connected with the power consumptive product of other less volumes.

Disclosure of Invention

The invention aims to provide a small hand-operated generator to solve the problem that the conventional generator rotor and stator design structure is large in size.

In order to achieve the above object, the basic scheme of the invention is as follows: a small hand generator comprises a shell, a hand power component, a rotor and a stator, wherein the hand power component is arranged on the shell, one end of the hand-cranking power assembly extends out of the shell for hand cranking, the other end of the hand-cranking power assembly is positioned in the shell and is used for driving the rotor to rotate, the rotor comprises two permanent magnetic disks and a rotating shaft, the top end of the rotating shaft is fixedly connected with the hand-operated power assembly, the bottom end of the rotating shaft is rotatably connected with the bottom surface of the shell, a limit ring is fixed in the middle of the rotating shaft, the two permanent magnetic disks are respectively fixed on the rotating shaft above and below the limit ring, the stator is in a ring shape, the diameter of the inner side of the stator is larger than the maximum diameter of the limiting ring, the stator is sleeved outside the positioning ring, and the inner side of the stator is not contacted with the positioning ring, the stator is fixedly connected with the shell, and the side edge of the shell is provided with a wiring hole.

Further, hand power component includes hand input shaft and planetary gear train, planetary gear train includes sun gear, a plurality of planet wheel, planet carrier and ring gear, planet carrier and hand input shaft fixed connection, 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, ring gear and casing fixed connection, 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, sun gear and pivot fixed connection.

Further, every permanent magnetism dish includes fixed disk and a plurality of permanent magnetism iron sheet, the fixed disk is the ring form, the permanent magnetism iron sheet is fan-shaped, and a plurality of the permanent magnetism iron sheet splice into the ring form that matches with the fixed disk and fix in the fixed disk, the permanent magnetism iron sheet of two upper and lower permanent magnetism dishes in the pivot all faces the stator.

Further, be equipped with assorted cotter way on pivot and the fixed disk, just the cotter way runs through the spacing ring, the fixed disk passes through cotter key and pivot fixed connection.

Further, still include fixing base and a plurality of bearing, it is a plurality of the bearing is fixed respectively in the upper portion of hand input shaft and the bottom of pivot, and the bearing that is located hand input shaft upper portion is used for rotating hand input shaft and casing to be connected, is located the bearing and the fixing base fixed connection of pivot bottom, the connection can be dismantled on the casing bottom surface to the fixing base.

Further, the casing includes mounting panel, curb plate and base, the curb plate passes through bolt fixed connection on the base, the mounting panel passes through bolt fixed connection on the curb plate.

Further, the rotor still includes the division board, the pivot top is fixed with the bearing, the division board is fixed on the bearing.

Further, the curb plate uses the division board position as the boundary and goes up curb plate and lower curb plate respectively, all be equipped with the just right mounting hole about the position on last curb plate, lower curb plate and the mounting panel, just the mounting hole on last curb plate and the mounting panel is the through-hole, the bolt passes mounting panel, goes up the curb plate and finally fixes on the lower curb plate.

Furthermore, the hand-operated input shaft is provided with threads at one end extending out of the shell. The hand-operated input shaft is convenient to be connected with the handle.

The beneficial effect of this scheme: (1) in this scheme, place the stator between two permanent magnetism dishes, produce magnetic field between two permanent magnetism dishes, make the stator do the motion of cutting magnetic induction line and generate electricity, be located the inside mode that sets up of stator that comprises the copper wire with the current rotor that comprises magnet and compare, this scheme need not reserve the installation space of stator in permanent magnetism dish circumference, thereby the holistic diameter of generator has been reduced, make overall structure compacter, and adopt two permanent magnetism dishes to construct the magnetic field in this scheme, compare with the mode that the magnetic field was constructed to current rectangular form magnet, this scheme has reduced the holistic height of generator.

(2) Hand power component includes hand input shaft and planetary gear train in this scheme, the number of teeth of planet wheel in the planetary gear train is greater than the number of teeth of sun gear, through the planetary gear train transmission, the sun gear rotational speed with pivot fixed connection will be with the rotational speed that is far more than hand input shaft, thereby make the pivot rotate fast, compare with current hand generator, under the condition that the same number of turns is rotated with the same rotational speed in the pivot, hand input shaft pivoted rotational speed and number of turns in this scheme all obviously reduce, thereby it is more laborsaving.

Drawings

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

FIG. 2 is a top view of an embodiment of the present invention;

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

FIG. 4 is a front view of an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic view showing a specific structure of a rotor according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a permanent magnet disc according to an embodiment of the present invention; .

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference numerals in the drawings of the specification include: the hand-operated motor comprises a mounting plate 1, an upper side plate 2, a lower side plate 3, a base 4, a hand-operated input shaft 5, a sun wheel 6, a planet wheel 7, a planet carrier 8, a gear ring 9, a permanent magnet disc 10, a stator 11, a rotating shaft 12, a fixed seat 13, a limiting ring 14, a fixed disc 15, a permanent magnet sheet 16, a pin slot 17 and a wiring hole 18.

Examples

Substantially as shown in figures 1, 2, 3 and 4: the utility model provides a small-size hand generator, includes casing, hand power pack, rotor, stator 11, fixing base 13 and three bearing, and the casing includes mounting panel 1, curb plate and base 4, and the curb plate passes through bolt fixed connection on base 4, and mounting panel 1 passes through bolt fixed connection on the curb plate.

Combine shown in fig. 5, hand power component includes the handle, hand input shaft 5 and planet wheel 7 are the system, the one end that hand input shaft 5 stretches out the casing is equipped with the screw thread, handle and hand input shaft 5 fixed connection (the handle is not shown in the figure), planet wheel 7 includes sun gear 6, two planet wheels 7, planet carrier 8 and ring gear 9, fixed bearing is connected with mounting panel 1 rotation through the bearing on hand input shaft 5, two planet wheels 7 rotate to be connected on planet carrier 8, two planet wheels 7 mesh with ring gear 9, ring gear 9 and casing fixed connection, sun gear 6 meshes with two planet wheels 7, the number of teeth of planet wheels 7 is the number of teeth of sun gear 6, sun gear 6 and rotor five times fixed connection.

As shown in fig. 6, the rotor includes two permanent magnet discs 10 and a rotating shaft 12, a bearing is fixed on the upper portion of the rotating shaft 12, and a partition plate is fixed on the bearing, as shown in fig. 7, the top end of the rotating shaft 12 is fixedly connected with the sun gear 6, a bearing is fixed on the bottom of the bearing, the bearing is fixedly connected with a fixed seat 13, and the fixed seat 13 is fixed on the base 4 through bolts; a limiting ring 14 is fixed in the middle of the rotating shaft 12, the two permanent magnet discs 10 are respectively fixed on the rotating shaft 12 above and below the limiting ring 14, as shown in fig. 8, each permanent magnet disc 10 comprises a fixed disc 15 and a plurality of permanent magnet sheets 16, the fixed disc 15 is in a circular ring shape, the permanent magnet sheets 16 are in a fan shape, the permanent magnet sheets 16 are spliced into a circular ring shape matched with the fixed disc 15 and fixed in the fixed disc 15, the permanent magnet sheets 16 of the upper permanent magnet disc 10 and the lower permanent magnet disc 10 on the rotating shaft 12 both face the stator 11, the rotating shaft 12 and the fixed disc 15 are provided with matched pin grooves 17, the pin grooves 17 penetrate through the limiting ring 14, and the fixed disc 15 is fixedly connected with the rotating shaft 12 through pin keys; the stator 11 is circular, the copper wire of the stator 11 is wound along the radial direction, the diameter of the inner side of the stator 11 is larger than the maximum diameter of the limiting ring 14, the stator 11 is sleeved on the outer side of the positioning ring, the inner side of the stator 11 is not in contact with the positioning ring, the stator 11 is fixedly connected with the shell, and the side edge of the shell is provided with a wiring hole 18.

The curb plate uses the division board position as the boundary and goes up curb plate 2 and lower curb plate 3 respectively, all is equipped with the just right mounting hole about the position on going up curb plate 2, lower curb plate 3 and the mounting panel 1, and goes up the mounting hole on curb plate 2 and the mounting panel 1 and be the through-hole, and the bolt passes mounting panel 1, goes up curb plate 2 and finally fixes on lower curb plate 3.

The specific implementation process is as follows: in this embodiment, place stator 11 between two permanent magnetism dishes 10, produce magnetic field between two permanent magnetism dishes 10 for stator 11 is the motion of cutting magnetic induction line and generates electricity, compares with the current rotor that constitutes by magnet and is located the inside mode of setting of stator 11 that constitutes by the copper wire, and this scheme need not reserve the installation space of stator 11 in permanent magnetism dish 10 circumference, thereby has reduced the holistic diameter of generator, makes overall structure compacter. Hand power component includes hand input shaft 5 and planet wheel 7 system, the number of teeth of planet wheel 7 in the planet wheel 7 system is greater than the number of teeth of sun gear 6, through planet wheel 7 system transmission, the sun gear 6 rotational speed with pivot 12 fixed connection will be with the rotational speed that is far more than hand input shaft 5, thereby make pivot 12 rotate fast, compare with current hand generator, under the same rotational speed rotation equal number of turns circumstances in pivot 12, 5 pivoted rotational speeds of hand input shaft in this scheme and number of turns all obviously reduce, thereby it is more laborsaving.

It is noted that, herein, relational terms such as first and second, and the like may be 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 foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications 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 (9)

1. A small-size hand generator which characterized in that: including casing, hand power pack, rotor and stator, hand power pack installs on the casing, just hand power pack one end stretches out the casing and is used for hand, the hand power pack other end is located the casing and is used for driving the rotor to rotate, the rotor includes two permanent magnetism dishes and a pivot, pivot top and hand power pack fixed connection, the pivot bottom is rotated and is connected in the casing bottom surface, the pivot middle part is fixed with the retaining ring, two the permanent magnetism dish is fixed respectively in the pivot of retaining ring top and below, the stator is the ring form, just the inboard diameter of stator is greater than the retaining ring maximum diameter, the stator cover is established in the retaining ring outside, just the stator inboard does not contact with the retaining ring, stator and casing fixed connection, the casing side is equipped with the wiring hole.

2. A small hand-operated generator according to claim 1, characterized in that: hand power component includes hand input shaft and planetary gear train, 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, ring gear and casing fixed connection, 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, sun gear and pivot fixed connection.

3. A small hand-operated generator according to claim 2, characterized in that: each permanent magnet disc includes fixed disk and a plurality of permanent magnet piece, the fixed disk is the ring form, the permanent magnet piece is fan-shaped, and a plurality of the permanent magnet piece splice into the ring form that matches with the fixed disk and fix in the fixed disk, the permanent magnet piece of two upper and lower permanent magnet discs in the pivot all faces the stator.

4. A small hand-operated generator according to claim 3, characterized in that: be equipped with assorted cotter way on pivot and the fixed disk, just the cotter way runs through the spacing ring, the fixed disk passes through cotter key and pivot fixed connection.

5. A small hand-operated generator according to claim 1, characterized in that: still include fixing base and a plurality of bearing, it is a plurality of the bearing is fixed respectively in the upper portion of hand input shaft and the bottom of pivot, and the bearing that is located hand input shaft upper portion is used for rotating hand input shaft and casing to be connected, is located the bearing and the fixing base fixed connection of pivot bottom, the connection can be dismantled on the casing bottom surface to the fixing base.

6. A small hand-operated generator according to claim 5, characterized in that: the casing includes mounting panel, curb plate and base, the curb plate passes through bolt fixed connection on the base, the mounting panel passes through bolt fixed connection on the curb plate.

7. A small hand-operated generator according to claim 6, characterized in that: the rotor further comprises a partition plate, a bearing is fixed at the top end of the rotating shaft, and the partition plate is fixed on the bearing.

8. A small hand-operated generator according to claim 7, characterized in that: the curb plate uses the division board position as border difference epipleural and lower curb plate, all be equipped with the just right mounting hole about the position on epipleural, lower plate and the mounting panel, just the mounting hole on epipleural and the mounting panel is the through-hole, the bolt passes mounting panel, epipleural final fixation on the lower plate.

9. A small hand-operated generator according to claim 1, characterized in that: and one end of the hand-operated input shaft, which extends out of the shell, is provided with threads.

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