阅读说明：本技术 一种用在手摇发电机上的升速机构 (Speed raising mechanism used on hand generator ) 是由 俞华芳 俞政 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种用在手摇发电机上的升速机构,包括外环、固定安装在外环开口处的端盖及设于外环径向中部的齿轴,还包括：行星架,外环径向内侧安装有内齿轮,行星架设在内齿轮内侧和端盖内侧,且其内部设有芯轴；行星齿轮,行星齿轮设在芯轴外侧,行星齿轮分别与内齿轮、齿轴啮合。本发明由于行星架与设在发电机外部的手柄螺纹连接,通过旋转手柄产生的扭矩带动行星架转动,行星架带动芯轴同时作旋转运动,行星齿轮分别与内齿轮、齿轴啮合,从而驱动行星齿轮围绕内齿轮作圆周运动,同时驱动齿轴旋转,此外,齿轴、行星齿轮和内齿轮的齿轮模数相等,行星齿轮的齿数大于齿轴的齿数,使齿轴的转速高于行星齿轮的转速,从而达到升速的目的。(The invention discloses a speed raising mechanism used on a hand generator, which comprises an outer ring, an end cover fixedly arranged at the opening of the outer ring, a gear shaft arranged at the radial middle part of the outer ring, and further comprises: the planet carrier is arranged on the inner side of the inner gear and the inner side of the end cover, and a mandrel is arranged in the planet carrier; the planetary gear is arranged on the outer side of the mandrel and is respectively meshed with the internal gear and the gear shaft. In addition, the gear modules of the gear shaft, the planetary gear and the internal gear are equal, the number of teeth of the planetary gear is greater than the number of teeth of the gear shaft, so that the rotating speed of the gear shaft is higher than that of the planetary gear, and the purpose of increasing the speed is achieved.)

1. The utility model provides a be used in acceleration mechanism on hand generator, includes outer loop (1), end cover (2) of fixed mounting at outer loop (1) opening part and locate pinion (3) at the radial middle part of outer loop (1), its characterized in that still includes:

the planet carrier (4), the radial inside of the outer ring (1) is provided with an internal gear (6), the planet carrier (4) is arranged on the inside of the internal gear (6) and the inside of the end cover (2), and a mandrel (7) is arranged in the planet carrier;

the planetary gear (5) is arranged on the outer side of the mandrel (7), and the planetary gear (5) is meshed with the internal gear (6) and the gear shaft (3) respectively.

2. A speed raising mechanism for use on a hand generator as claimed in claim 1 wherein: planet carrier (4) both sides are equipped with right ball bearing (8), oiliness bearing (9) are installed through clearance fit in the dabber (7) radial outside, install the radial outside at oiliness bearing (9) through clearance fit in planetary gear (5).

3. A speed raising mechanism for use on a hand generator as claimed in claim 1 wherein: the gear module of tooth axle (3), planetary gear (5) and internal gear (6) equals, the number of teeth of planetary gear (5) is greater than tooth axle (3) number of teeth.

4. A speed raising mechanism for use on a hand generator as claimed in claim 2 wherein: an inner seat (10) and a supporting lining (11) are installed on the radial inner side of the outer ring (1), one end of the supporting lining (11) is connected with the inner seat (10), and the inner gear (6) is fixedly installed on the radial inner side of the supporting lining (11).

5. A speed raising mechanism for use on a hand generator as claimed in claim 4 wherein: the mandrel (7) is fixedly installed in a through hole of the planet carrier (4) in an interference fit mode, the support lining (11) is fixed to the inner wall of the outer ring (1) through epoxy resin glue, and the inner gear (6) is fixedly bonded to the radial inner side of the support lining (11) through epoxy resin glue.

6. A speed raising mechanism for use on a hand generator as claimed in claim 4 wherein: the end cover (2) is fixedly arranged on the inner seat (10) through threaded connection.

7. A speed raising mechanism for use on a hand generator as claimed in claim 4 wherein: the outer ring (1) and the inner seat (10) are both made of duralumin 2A12-T4 materials, the inner gear (6) is made of 20CrMo materials and needs to be subjected to quenching and tempering, and the oil-retaining bearing (9) is a copper-based oil-retaining bearing.

8. A speed raising mechanism for use on a hand generator as claimed in any one of claims 1 to 7 wherein: be equipped with clamp plate (12) between planet carrier (4) and end cover (2), clamp plate (12) pass through screw fixed mounting on planet carrier (4).

9. A speed raising mechanism for use on a hand generator as claimed in claim 1 wherein: the outer ring (1) is of a circular ring structure.

Technical Field

The invention relates to the technical field of hand generators, in particular to a speed raising mechanism used on a hand generator.

Background

The hand generator rotates the handle of the hand generator through hand to generate continuous electric energy, is suitable for minimum power utilization emergency guarantee of field communication, and can also be used in the emergency power utilization field of various weapon fields such as individual soldiers and ships. Under the condition of no commercial power and oil power generation in any corner of the world, the electric power can be manually generated to be supplied to various electronic products. Meanwhile, the battery can be directly charged to various batteries such as lithium batteries, nickel-metal hydride batteries, lead-acid batteries and the like.

The convenient operation hand generator of patent application No. CN201510839386 installs generator and gear drive respectively in the both sides of mounting panel, and this complicated mechanical structure just determines that hand generator is difficult to accomplish optimum power under the same volume.

Disclosure of Invention

In view of the above-mentioned disadvantages, it is an object of the present invention to provide a speed raising mechanism for a hand generator, which can increase the rotation speed of a gear shaft to improve the power generation efficiency while performing the same work.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the utility model provides a be used in acceleration mechanism on hand generator, includes outer loop, fixed mounting at the end cover of outer loop opening part and locates the tooth axle at the radial middle part of outer loop, still includes:

the planet carrier is arranged on the inner side of the inner gear and the inner side of the end cover, and a mandrel is arranged in the planet carrier;

the planetary gear is arranged on the outer side of the mandrel and is respectively meshed with the internal gear and the gear shaft.

Preferably, the planet carrier both sides are equipped with right ball bearing, the radial outside of dabber installs oiliness bearing through clearance fit, planetary gear installs the radial outside at oiliness bearing through clearance fit.

Preferably, the gear module of the gear shaft, the gear module of the planet gear and the gear module of the internal gear are equal, and the number of teeth of the planet gear is larger than the number of teeth of the gear shaft.

Preferably, the outer ring is provided with an inner seat and a support bush radially inside, one end of the support bush is connected with the inner seat, and the inner gear is fixedly arranged on the radially inside of the support bush.

Preferably, the dabber passes through interference fit fixed mounting in the through-hole of planet carrier, the branch lining is glued through epoxy and is fixed at the outer loop inner wall, the internal gear passes through epoxy glue fixed bonding on the radial inboard of branch lining.

Preferably, the end cap is fixedly mounted on the inner seat through threaded connection.

Preferably, the outer ring and the inner seat are both made of duralumin 2A12-T4 materials, the inner gear is made of 20CrMo materials and needs to be subjected to thermal refining, and the oil-retaining bearing is a copper-based oil-retaining bearing.

Preferably, a pressure plate is arranged between the planet carrier and the end cover and fixedly mounted on the planet carrier through screws.

Preferably, the outer ring is of a circular ring structure.

The invention has the beneficial effects that:

1. according to the invention, the planet carrier is in threaded connection with the handle arranged outside the generator, the torque generated by rotating the handle drives the planet carrier to rotate, the planet carrier drives the mandrel to do rotary motion at the same time, and the planet gear is respectively meshed with the internal gear and the gear shaft, so that the planet gear is driven to do circular motion around the internal gear and simultaneously drive the gear shaft to rotate;

2. the gear module of the gear shaft, the gear module of the planetary gear and the gear module of the internal gear are equal, the number of teeth of the planetary gear is larger than the number of teeth of the gear shaft, and when the module of the pair of gears meshed with each other is equal, the ratio of the rotating speeds of the gears is in inverse proportion to the number of teeth, so that the rotating speed of the gear shaft is higher than that of the planetary gear, and the purpose of increasing the speed is achieved.

The invention is further described with reference to the following figures and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a cross-sectional view of a speed raising mechanism used in a hand-operated generator according to the present invention.

The reference numerals in the drawings are explained below.

The bearing comprises an outer ring-1, an end cover-2, a gear shaft-3, a planet carrier-4, a planet gear-5, an internal gear-6, a mandrel-7, a right ball bearing-8, an oil bearing-9, an inner seat-10, a support lining-11 and a pressure plate-12.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, a speed raising mechanism for a hand generator includes an outer ring 1, an end cap 2 fixedly installed at an opening of the outer ring 1, and a gear shaft 3 disposed at a radial middle portion of the outer ring 1, and further includes:

the planet carrier 4 is connected with the gear shaft 3, an internal gear 6 is installed on the radial inner side of the outer ring 1, the planet carrier 4 is arranged on the inner side of the internal gear 6 and the inner side of the end cover 2, and a mandrel 7 is arranged in the planet carrier 4;

the planetary gear 5 is arranged on the outer side of the mandrel 7, and the planetary gear 5 is meshed with the internal gear 6 and the gear shaft 3 respectively.

In this embodiment, the two sides of the planet carrier 4 are provided with right ball bearings 8, the radial outer side of the mandrel 7 is provided with an oil bearing 9 through clearance fit, and the planet gear 5 is arranged on the radial outer side of the oil bearing 9 through clearance fit.

In the present embodiment, the gear module of the gear shaft 3, the planetary gear 5 and the internal gear 6 is equal, and the number of teeth of the planetary gear 5 is greater than that of the gear shaft 3.

In this embodiment, an inner seat 10 and a branch lining 11 are installed on the radial inner side of the outer ring 1, one end of the branch lining 11 is connected with the inner seat 10, and the inner gear 6 is fixedly installed on the radial inner side of the branch lining 11.

Further, dabber 7 passes through interference fit fixed mounting in the through-hole of planet carrier 4, branch lining 11 pastes through epoxy glue and fixes at outer loop 1 inner wall, internal gear 6 glues fixed bonding on the radial inboard of branch lining 11 through epoxy.

In this embodiment, the end cap 2 is fixedly mounted on the inner seat 10 by a screw connection.

Further, the outer ring 1 and the inner seat 10 are both made of duralumin 2A12-T4 materials, the inner gear 6 is made of 20CrMo materials and needs to be subjected to thermal refining, and the oil-retaining bearing 9 is a copper-based oil-retaining bearing.

In the embodiment, a pressure plate 12 is arranged between the planet carrier 4 and the end cover 2, and the pressure plate 12 is fixedly installed on the planet carrier 4 through screws.

In this embodiment, the outer ring 1 has a circular ring structure.

The working principle of the invention is as follows:

the external part of the motor is provided with a rotating handle, the rotating handle is in threaded connection with the external thread on the planet carrier 4 through the internal thread of the rotating handle, the rotating handle drives the planet carrier 4 to rotate along with the rotating handle by utilizing the generated torque, and the mandrel 7 and the planet carrier 4 are fixedly connected together through interference fit, so that the planet carrier 4 drives the mandrel 7 to simultaneously rotate, and the planet gear 5 is simultaneously meshed with the internal gear 6 and the gear shaft 3, so that the planet gear 5 is driven to circularly move around the internal gear 6 and simultaneously drives the gear shaft 3 to rotate.

Because the module of a pair of gears which are meshed with each other is equal, the ratio of the rotating speeds of the gears is the inverse ratio of the number of teeth, the number of teeth of the planetary gear 5 is large, and the number of teeth of the gear shaft 3 is small, so that the rotating speed of the gear shaft 3 is higher than that of the planetary gear 5, and the purpose of increasing the speed is achieved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the use of the term being generic or similar to other means being encompassed by the invention.