Mechanical transmission device of hand generator

Abstract

The utility model relates to a mechanical transmission device of a hand generator. The transmission comprises an input shaft, a coil, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a gear shaft of the second gear and a gear shaft of the fifth gear. The first gear is arranged on the input shaft, the third gear is arranged at one end of a gear shaft of the second gear, the second gear is meshed with the first gear, the third gear is meshed with the fourth gear, the fourth gear is meshed with the fifth gear, and the coil is arranged at one end of a gear shaft of the fifth gear. The utility model has the advantages of reliable firmness, wear resistance, reliability, durability and light weight of the whole machine.

Description

Technical Field

[0001] The utility model relates to the field of power generation, in particular to a mechanical transmission device of a hand-cranked generator. Background Art

[0002] Most of the gears and brackets of small hand-crank generators on the market are made of plastic and plastic steel, which are not as reliable and wear-resistant as metal. Due to the material, the service life of traditional hand-crank generators is relatively short, the wear resistance is poor, and the power generation is unstable. Utility Model Content

[0003] In order to solve the above problems existing in the background technology, the utility model provides a mechanical transmission device for a hand-cranked generator, which has the advantages of being reliable, wear-resistant, reliable and durable, and having a light weight.

[0004] The technical solution of the utility model is: the utility model is a hand-cranked generator mechanical transmission device, which is special in that: the hand-cranked generator mechanical transmission device includes an input shaft, a coil, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a gear shaft of the second gear and a gear shaft of the fifth gear; the first gear is arranged on the input shaft, the third gear is arranged at one end of the gear shaft of the second gear, the second gear is meshed with the first gear, the third gear is meshed with the fourth gear, the fourth gear is meshed with the fifth gear, and the coil is arranged at one end of the gear shaft of the fifth gear.

[0005] Furthermore, the mechanical transmission device of the hand-cranked generator also includes a third cover plate, and the gear shaft of the second gear is arranged on the third cover plate and passes through the third cover plate.

[0006] Furthermore, the mechanical transmission device of the hand-cranked generator also includes a second cover plate, the gear of the fifth gear is arranged on the second cover plate and passes through the second cover plate, and the first gear and the second gear are located between the third cover plate and the second cover plate.

[0007] Furthermore, the mechanical transmission device of the hand-cranked generator also includes a first cover plate, and the third gear, the fourth gear and the fifth gear are located between the first cover plate and the second cover plate.

[0008] Furthermore, the first cover plate, the second cover plate and the third cover plate are all made of metal aluminum.

[0009] Furthermore, the input shaft, the coil, the first gear, the second gear, the third gear, the fourth gear, the fifth gear, the gear shaft of the second gear, and the gear shaft of the fifth gear are all made of metal.

[0010] Furthermore, the mechanical transmission device of the hand-cranked generator also includes a shell, and the input shaft, coil, first gear, second gear, third gear, fourth gear, fifth gear, gear shaft of the second gear, gear shaft of the fifth gear, first cover plate, second cover plate and third cover plate are all arranged in the shell.

[0011] Furthermore, both sides of the shell are arc-shaped.

[0012] Furthermore, the shell is made of ABS engineering plastic.

[0013] Furthermore, the number of teeth of the first gear and the third gear is 60, the number of teeth of the second gear and the fifth gear is 11, so the number of teeth of the fourth gear is 30.

[0014] The utility model provides a mechanical transmission device for a hand-cranked generator, which has the following advantages:

[0015] 1) The five gears of the present invention use a common module number of teeth, which reduces costs and reduces the difficulty of process manufacturing without affecting the transmission ratio and transmission efficiency.

[0016] 2) The entire structure of the utility model adopts the first cover plate, the second cover plate and the third cover plate as the bracket, and the three brackets are connected with the gears using precision bearings. Such a symmetrical design has better stability than the traditional gear transmission design.

[0017] 3) The first cover plate, the second cover plate and the third cover plate of the present invention are all made of metal aluminum. Metal is used as a bracket for each level of gears, which is firm, reliable, wear-resistant and durable.

[0018] 4) The whole machine of the present invention is light in weight: for the full metal gear transmission, the whole machine weight of the present invention is currently 220g, which is lighter than most hand-cranked generators on the market.

[0019] 5) The shell of the utility model is made of ABS engineering plastic, and the handle is rounded to make it easier to hold. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is the transmission principle diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the shell structure of the present utility model.

[0023] The following are the descriptions of the reference numerals:

[0024] 1. First gear; 2. Second gear; 3. Third gear; 4. Fourth gear; 5. Fifth gear; 6. Coil; 7. Input shaft; 8. Arc shape.

[0025] 01, first cover plate; 02, second cover plate; 03, third cover plate. DETAILED DESCRIPTION

[0026] The overall scheme of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0027] See also Figure 1 The structure of a specific embodiment of the present invention includes an input shaft 7, a coil 6, a first gear 1, a second gear 2, a third gear 3, a fourth gear 4, a fifth gear 5, a gear shaft of the second gear, a gear shaft of the fifth gear, a first cover plate 01, a second cover plate 02, and a third cover plate 03. The first gear 1 is arranged on the input shaft 7, the third gear 3 is arranged at one end of the gear shaft of the second gear, the gear shaft of the second gear is arranged on the third cover plate 03 and passes through the third cover plate 03, the second gear 2 is meshed with the first gear 1, the third gear 3 is meshed with the fourth gear 4, and the fourth gear 4 is meshed with the fifth gear 5. The coil 6 is arranged at one end of the gear shaft of the fifth gear, the gear shaft of the fifth gear is arranged on the second cover plate 02 and passes through the second cover plate 02, and the first gear 1 and the second gear 2 are located between the third cover plate 03 and the second cover plate 02. The third gear 3, the fourth gear 4, and the fifth gear 5 are located between the first cover plate 01 and the second cover plate 02.

[0028] Among them, the input shaft 7, the coil 6, the first gear 1, the second gear 2, the third gear 3, the fourth gear 4, the fifth gear 5, the gear shaft of the second gear and the gear shaft of the fifth gear are all made of metal.

[0029] The first cover plate 01, the second cover plate 02, and the third cover plate 03 are all made of aluminum. They form a bracket, and the three brackets are connected to the five gears using precision bearings.

[0030] The first gear 1 and the third gear 3 both have 60 teeth, the second gear 2 and the fifth gear 5 both have 11 teeth, and the fourth gear 4 has 30 teeth. The five gears use a common module tooth number, which reduces costs and manufacturing difficulty without affecting the transmission ratio and transmission efficiency.

[0031] See also Figure 2 , the hand-cranking principle of the utility model is as follows:

[0032] The hand-cranked input shaft 7 drives the first gear 1 (Z1=60), the first gear 1 drives the second gear 2 (Z2=11), the second gear 2 drives the third gear 3 (Z3=60), and then drives the fourth gear 4 (Z4=30) to the fifth gear 5 (Z5=11), thereby driving the coil 6 to generate power output. The coil 6 is an electromagnetic coil.

[0033] See also Figure 3 The utility model also includes a shell, an input shaft 7, a coil 6, a first gear 1, a second gear 2, a third gear 3, a fourth gear 4, a fifth gear 5, a gear shaft of the second gear, a gear shaft of the fifth gear, a first cover plate 01, a second cover plate 02 and a third cover plate 03 are all arranged in the shell.

[0034] The two sides of the shell are arc-shaped for easy hand holding. The material is ABS engineering plastic.

[0035] The technical contents not specifically described in the present invention and the above embodiments are the same as those in the prior art.

[0036] The above are only specific implementation methods disclosed in the present utility model, but the protection scope disclosed in the present utility model is not limited thereto. The protection scope disclosed in the present utility model shall be based on the protection scope of the claims.

Claims

1. A mechanical transmission device for a hand-cranked generator, characterized in that: The mechanical transmission device of the hand-cranked generator includes an input shaft, a coil, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a gear shaft of the second gear, and a gear shaft of the fifth gear; The first gear is arranged on the input shaft, the third gear is arranged at one end of the gear shaft of the second gear, the second gear is meshed with the first gear, the third gear is meshed with the fourth gear, the fourth gear is meshed with the fifth gear, and the coil is arranged at one end of the gear shaft of the fifth gear.

2. The mechanical transmission device of a hand-cranked generator according to claim 1, characterized in that: The mechanical transmission device of the hand-cranked generator further includes a third cover plate, and the gear shaft of the second gear is arranged on the third cover plate and passes through the third cover plate.

3. The mechanical transmission device of a hand-cranked generator according to claim 2, characterized in that: The hand-cranked generator mechanical transmission device also includes a second cover plate, the gear of the fifth gear is arranged on the second cover plate and passes through the second cover plate, and the first gear and the second gear are located between the third cover plate and the second cover plate.

4. The mechanical transmission device of a hand-cranked generator according to claim 3, characterized in that: The mechanical transmission device of the hand-cranked generator further includes a first cover plate, and the third gear, the fourth gear and the fifth gear are located between the first cover plate and the second cover plate.

5. The mechanical transmission device for a hand-cranked generator according to claim 4, characterized in that: The first cover plate, the second cover plate and the third cover plate are all made of metal aluminum.

6. The mechanical transmission device for a hand-cranked generator according to claim 5, characterized in that: The input shaft, the coil, the first gear, the second gear, the third gear, the fourth gear, the fifth gear, the gear shaft of the second gear and the gear shaft of the fifth gear are all made of metal.

7. The mechanical transmission device for a hand-cranked generator according to claim 6, characterized in that: The hand-cranked generator mechanical transmission device also includes a shell, and the input shaft, coil, first gear, second gear, third gear, fourth gear, fifth gear, gear shaft of the second gear, gear shaft of the fifth gear, first cover plate, second cover plate and third cover plate are all arranged in the shell.

8. The mechanical transmission device for a hand-cranked generator according to claim 7, characterized in that: Both sides of the shell are arc-shaped.

9. The mechanical transmission device for a hand-cranked generator according to claim 8, characterized in that: The shell is made of ABS engineering plastic.

10. The mechanical transmission device for a hand-cranked generator according to any one of claims 1 to 9, characterized in that: The number of teeth of the first gear and the third gear is 60, the number of teeth of the second gear and the fifth gear is 11, and the number of teeth of the fourth gear is 30.

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