CN212131202U

CN212131202U - Gear box speed reduction transmission mechanism

Info

Publication number: CN212131202U
Application number: CN202020241505.8U
Authority: CN
Inventors: 李媛媛; 张姚
Original assignee: Shanghai Fangfang Intelligent Technology Co ltd
Current assignee: Shanghai Fangfang Intelligent Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-11
Anticipated expiration: 2030-03-03

Abstract

The utility model provides a gear box speed reduction drive mechanism, include: the gear box comprises a gear box left cover, a gear box right cover, a motor, a driving gear and a gear set, wherein the gear box left cover is matched with the gear box right cover, and the gear box left cover and the gear box right cover are combined to form a cavity capable of accommodating the motor, the driving gear and the gear set. The utility model provides a pair of gear box speed reduction drive mechanism is after the motor circular telegram, and the driving gear operation drives the gear train and is the variable speed motion, has realized making its purpose that produces the big moment of torsion of low rotational speed.

Description

Gear box speed reduction transmission mechanism

Technical Field

The utility model relates to a gear reduction drive field especially relates to a gear box speed reduction drive mechanism.

Background

The main structure of the gear speed reducer is a speed reducing device formed by integrating and assembling a driving motor and a gear box, the main gear speed reducing principle is that the driving motor outputs high-speed rotating speed, and the driving motor is driven by a gear set engaged in the gear box to output speed reducing effect and lifting torque, thereby achieving ideal effect Mining, transportation, hoisting, building, petroleum, smart home, medical equipment and the like.

The gearbox speed reduction transmission mechanism in the prior art cannot be lack of application improvement on the traditional stroller, and is not suitable for a gearbox speed reduction transmission structure of the traditional stroller, mainly because full automation cannot be realized in the process of shrinking and folding the stroller, the gearbox speed reduction transmission mechanism can realize the full-automatic stretching and folding functions of the stroller, and the gearbox speed reduction transmission mechanism required by the stroller needs to meet the requirements of low rotating speed and large torque.

Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a reduction transmission mechanism for a gear box, which realizes the purpose of driving a gear set to perform a variable speed motion to generate a low rotation speed and a large torque.

To achieve the above and other related objects, the present invention provides a gear box reduction transmission mechanism, including: the gear box comprises a left gear box cover, a right gear box cover, a motor, a driving gear and a gear set, wherein the left gear box cover is matched with the right gear box cover, the left gear box cover and the right gear box cover are combined to form a cavity capable of accommodating the motor, the driving gear and the gear set, a motor shaft pin is fixed on the motor, the driving gear is arranged on the motor shaft pin, and the gear set comprises a first middle gear, a second middle gear, a first pinion, a second pinion, a third middle gear, a fourth middle gear, a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft, a sixth gear shaft, a second bearing, a third bearing, a fourth bearing, a fifth bearing, a sixth bearing, a seventh bearing, an eighth bearing, a ninth bearing, a tenth bearing, an eleventh bearing, A twelfth bearing and a thirteenth bearing, wherein the driving gear and the first bearing are all mounted on a motor shaft pin of the motor, the first middle gear, the second bearing and the third bearing are all mounted on a first gear shaft, the second middle gear, the fourth bearing and the fifth bearing are all mounted on a second gear shaft, the first pinion, the sixth bearing and the seventh bearing are all mounted on a third gear shaft, the first gearwheel, the second pinion, the eighth bearing and the ninth bearing are all mounted on a fourth gear shaft, the second gearwheel, the third gearwheel, the tenth bearing and the eleventh bearing are all mounted on a fifth gear shaft, the third middle gear, the fourth middle gear, the twelfth bearing and the thirteenth bearing are all mounted on a sixth gear shaft, the driving gear is meshed with the first middle gear, and the first middle gear is meshed with the second middle gear, the second middle gear is meshed with the first small gear, the first small gear is meshed with the first large gear, the second small gear is meshed with the third large gear, the third large gear is meshed with the fourth middle gear, and the second large gear is meshed with the third middle gear.

In an embodiment of the present invention, the first gear is located above the second pinion, the second gear is located above the third gear, and the third gear is located above the fourth middle gear.

In an embodiment of the present invention, a groove for accommodating the motor is disposed at the bottom of the right cover of the gear box, and the motor is disposed in the groove.

In an embodiment of the present invention, the gear box left cover and the gear box right cover are fixed by screws.

In an embodiment of the present invention, the gear box left cover and the gear box right cover are made of aluminum alloy.

As mentioned above, the utility model discloses a gear box speed reduction drive mechanism has following beneficial effect: the utility model provides a pair of gear box speed reduction drive mechanism is after the motor circular telegram, and the driving gear operation drives the gear train and is the variable speed motion, has realized making its purpose that produces the big moment of torsion of low rotational speed.

Drawings

Fig. 1 is a schematic view showing an overall structure of a reduction transmission mechanism of a gear box according to an embodiment of the present invention.

Fig. 2 is a schematic top view of a part of the components of a reduction transmission mechanism of a gearbox according to an embodiment of the present invention.

Description of the element reference numerals

1 left cover of gear box

2 driving gear

3 gear box right cover

4 electric machine

5 Gear set

51 first middle gear

52 second middle gear

53 first pinion

54 first gearwheel

55 second gearwheel

56 third gear

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a gear box reduction transmission mechanism, including: the gear box comprises a left gear box cover 1, a right gear box cover 3, a motor 4, a driving gear 2 and a gear set 5, wherein the left gear box cover 1 is matched with the right gear box cover 3, the left gear box cover 1 is combined with the right gear box cover 3 to form a cavity capable of containing the motor 4, the driving gear 2 and the gear set 5, a motor shaft pin is fixed on the motor 4, the driving gear 2 is arranged on the motor shaft pin, and the gear set 5 comprises a first middle gear 51, a second middle gear 52, a first small gear 53, a first large gear 54, a second small gear, a second large gear 55, a third large gear, a third middle gear 56, a fourth middle gear, a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft, a sixth gear shaft, a second bearing, a third bearing, a fourth bearing, a fifth bearing, a sixth bearing, a seventh bearing, An eighth bearing, a ninth bearing, a tenth bearing, an eleventh bearing, a twelfth bearing and a thirteenth bearing, wherein the driving gear 2 and the first bearing 21 are all installed on a motor shaft pin of the motor, the first middle gear 51, the second bearing and the third bearing are all installed on a first gear shaft, the second middle gear 52, the fourth bearing and the fifth bearing are all installed on a second gear shaft, the first pinion 53, the sixth bearing and the seventh bearing are all installed on a third gear shaft, the first gearwheel 54, the second pinion, the eighth bearing and the ninth bearing are all installed on a fourth gear shaft, the second gearwheel 55, the third gearwheel, the tenth bearing and the eleventh bearing are all installed on a fifth gear shaft, the third middle gear 56, the fourth middle gear, the twelfth bearing and the thirteenth bearing are all installed on a sixth gear shaft, the driving gear 2 is engaged with the first middle gear 51, the first middle gear 51 is meshed with the second middle gear 52, the second middle gear 52 is meshed with the first small gear 53, the first small gear 53 is meshed with the first large gear 54, the second small gear is meshed with the third large gear, the third large gear is meshed with the fourth middle gear, and the second large gear 55 is meshed with the third middle gear 56.

Specifically, the first large gear 54 is located above the second small gear, the second large gear 55 is located above the third large gear, and the third large gear 56 is located above the fourth middle gear.

Specifically, the bottom of the right cover 3 of the gear box is provided with a groove for accommodating a motor, and the motor 4 is arranged in the groove.

Specifically, the gear box left cover 1 and the gear box right cover 2 are fixed through screws.

Specifically, the gear box left cover 1 and the gear box right cover 3 are both made of aluminum alloy.

To sum up, the utility model provides a pair of gear box speed reduction drive mechanism is after the motor circular telegram, and the driving gear operation drives the gear train and is the variable speed motion, has realized making its purpose that produces the big moment of torsion of low rotational speed.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A gearbox reduction drive mechanism comprising: the gear box comprises a left gear box cover, a right gear box cover, a motor, a driving gear and a gear set, wherein the left gear box cover is matched with the right gear box cover, the left gear box cover and the right gear box cover are combined to form a cavity capable of accommodating the motor, the driving gear and the gear set, the motor is fixedly provided with a motor shaft pin, the driving gear is arranged on the motor shaft pin, and the gear set comprises a first middle gear, a second middle gear, a first pinion, a first bull gear, a second pinion, a second bull gear, a third middle gear, a fourth middle gear, a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft, a sixth gear shaft, a second bearing, a third bearing, a fourth bearing, a fifth bearing, a sixth bearing, a seventh bearing, an eighth bearing, a ninth bearing and a tenth peripheral bearing, An eleventh bearing, a twelfth bearing and a thirteenth bearing, wherein the driving gear and the first bearing are all mounted on a motor shaft pin of the motor, the first middle gear, the second bearing and the third bearing are all mounted on a first gear shaft, the second middle gear, the fourth bearing and the fifth bearing are all mounted on a second gear shaft, the first pinion, the sixth bearing and the seventh bearing are all mounted on a third gear shaft, the first gearwheel, the second pinion, the eighth bearing and the ninth bearing are all mounted on a fourth gear shaft, the second gearwheel, the third gearwheel, the tenth bearing and the eleventh bearing are all mounted on a fifth gear shaft, the third middle gear, the fourth middle gear, the twelfth bearing and the thirteenth bearing are all mounted on a sixth gear shaft, the driving gear is meshed with the first middle gear, and the first middle gear is meshed with the second middle gear, the second middle gear is meshed with the first small gear, the first small gear is meshed with the first large gear, the second small gear is meshed with the third large gear, the third large gear is meshed with the fourth middle gear, and the second large gear is meshed with the third middle gear.

2. A gearbox reduction drive mechanism as defined in claim 1, wherein: the first bull gear is located above the second pinion gear, the second bull gear is located above the third bull gear, and the third middle gear is located above the fourth middle gear.

3. A gearbox reduction drive mechanism as defined in claim 1, wherein: the bottom of the right cover of the gear box is provided with a groove for accommodating a motor, and the motor is arranged in the groove.

4. A gearbox reduction drive mechanism as defined in claim 1, wherein: the left cover and the right cover of the gear box are fixed through screws.

5. A gearbox reduction drive mechanism as defined in claim 1, wherein: the gear box left cover and the gear box right cover are both made of aluminum alloy.