Gear box for improving driving force of baby carriage

Abstract

The utility model relates to the field of gear boxes, and discloses a gear box for improving the driving force of a baby carriage, which comprises a box body, two oil conveying holes are arranged on the top surface of the box body, nozzles are respectively fixed at one ends of the two oil conveying holes communicated with the inside of the box body, a driving motor is fixed inside the box body, and a first driving wheel is fixed at the output end of the driving motor. A gear of the first driving wheel is meshed with a second driving wheel, the second driving wheel is coaxially provided with a third driving wheel in a rotating mode, the third driving wheel is meshed with a fourth driving wheel, and an output shaft is fixed into the fourth driving wheel in a penetrating mode. According to the utility model, the structure of the spray head is adopted for lubrication, so that the meshing part of the gear can be fully lubricated without pouring oil for multiple times, and the lubrication effect can be improved by using a proper amount of lubricating oil.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box for improving the driving force of a baby carriage. Background Art

[0002] Children's strollers are a large category of children's toys. Multi-person strollers are a type of stroller that requires high load-bearing and driving performance, and the gear box is an important component of this type of stroller.

[0003] According to the Chinese patent with the announcement number: CN210440531U, a high-drive baby carriage gearbox is disclosed, which relates to the field of gearboxes, including a box body, a gear set installed in the box body, the box body including an upper cover and a bottom cover, the bottom cover is provided with a long strip notch at a flat part of one side, and a long strip square hole arranged evenly on the other side, the notch is facing the gear set, a sealing cover strip is provided in the notch, one end of the cover strip is rotatably connected to the side of the bottom cover, and the other end is buckled on the side of the bottom cover; the gear set includes a first driving wheel, a third driving wheel, a fourth driving wheel, a first pinion, a second driving wheel, a third pinion and an output gear, the first driving wheel is meshed with the motor gear, the first pinion is meshed with the third driving wheel, the second driving wheel is meshed with the fourth driving wheel, the third pinion is meshed with the output gear, and a wheel mounting part is connected above the output gear. The present application provides a high-drive baby carriage gearbox, which has the characteristics of convenient oil lubrication and good heat dissipation performance.

[0004] In the above scheme, a high-drive baby stroller gearbox adopts a structure of multiple long strip notches to lubricate the gears. The above scheme still has the following shortcomings: the use of a structure of multiple long strip notches will require multiple oil pourings, and the meshing parts of the gears cannot be fully lubricated, resulting in a low lubrication effect. Utility Model Content

[0005] The utility model aims to provide a gear box for improving the driving force of a baby carriage, so as to solve the problem that a structure using a plurality of long strip notches will cause multiple oil pouring and fail to fully lubricate the meshing parts of the gears, resulting in a low lubrication effect.

[0006] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a gear box for improving the driving force of a baby carriage, comprising a box body, two oil delivery holes are provided on the top surface of the box body, and nozzles are fixed on the sides of the two oil delivery holes connected to the interior of the box body, a driving motor is fixed inside the box body, a first driving wheel is fixed to the output end of the driving motor, the gear of the first driving wheel is meshed with the second driving wheel, the second driving wheel is coaxially rotated with a third driving wheel, the third driving wheel is meshed with a fourth driving wheel, and an output shaft is fixed through the interior of the fourth driving wheel.

[0007] Preferably, one of the oil delivery holes is located vertically above the meshing point between the first drive wheel and the second drive wheel, and the other oil delivery hole is located vertically above the meshing point between the third drive wheel and the fourth drive wheel.

[0008] Preferably, two heat dissipation holes are opened on the right side of the box body, one of which is located on the left side of the meshing point between the first driving wheel and the second driving wheel, and the other is located on the left side of the meshing point between the third driving wheel and the fourth driving wheel.

[0009] Preferably, an oil outlet hole is opened on the inner bottom surface of the box body, a threaded sleeve is fixed to one end of the oil outlet hole connected to the outside, a collecting pipe is sleeved inside the threaded sleeve, and the collecting pipe is connected to the inner thread of the threaded sleeve.

[0010] Preferably, a thread groove is provided inside the oil delivery hole, a twist cover is rotatably provided inside the oil delivery hole, and the twist cover is connected to the inner thread of the oil delivery hole.

[0011] Preferably, a detachable box cover is provided on the left side of the box body, an output hole is provided on the left side of the box cover, and the output shaft passes through the output hole.

[0012] Compared with the prior art, a gear box that uses the above technical solution to improve the driving force of a baby carriage has the following beneficial effects:

[0013] 1. During use, when the staff finds that the driving efficiency of the gearbox becomes low, the staff needs to lubricate the gears inside the box. The staff can first reduce the speed of the drive motor, then rotate and open the twist cover, and pour the lubricating oil into the connected nozzle through one of the oil delivery holes. Since the nozzle is located vertically above the meshing point of the first drive wheel and the second drive wheel, the lubricating oil can fully penetrate the meshing point of the first drive wheel and the second drive wheel through the nozzle, and then pour the lubricating oil into the connected nozzle through another oil delivery hole. Since the nozzle is located vertically above the meshing point of the third drive wheel and the fourth drive wheel, the lubricating oil can fully penetrate the meshing point of the third drive wheel and the fourth drive wheel through the nozzle. As the speed of the drive motor decreases, the drive motor drives the first drive wheel to rotate slowly, thereby driving the second drive wheel, the third drive wheel and the fourth drive wheel to rotate, so that all gears are fully infiltrated. The use of the nozzle structure for oiling does not require multiple pourings of oil to fully lubricate the meshing point of the gears, and the lubrication effect can be improved by using an appropriate amount of lubricating oil;

[0014] 2. During use, the gearbox, as a power transmission part, will generate a lot of heat. A heat dissipation hole is located on the left side of the meshing place between the first drive wheel and the second drive wheel, and another heat dissipation hole is located on the left side of the meshing place between the third drive wheel and the fourth drive wheel, so that the heat generated by the gears at the meshing place can be quickly dissipated through the two heat dissipation holes. The heat dissipation holes are circular mesh structures, and the two heat dissipation holes are kept at a certain distance from the meshing place of the gears, so that the lubricating oil will not fall on the heat dissipation holes, which will avoid the lubricating oil blocking the mesh holes and reduce the heat dissipation effect, thereby improving the service life of the gearbox;

[0015] 3. After use, since the top surface of the box is flat and the bottom surface is round, the lubricating oil falling from the gear meshing will flow into the oil outlet through the slope. Since the oil outlet is a funnel-shaped structure, the excess lubricating oil will fall into the collection pipe through the oil outlet, avoiding excessive accumulation of lubricating oil inside the box, resulting in poor use of the gearbox. When there is too much lubricating oil in the collection pipe, the collection pipe can be separated from the threaded sleeve by rotation, so as to process the lubricating oil in the collection pipe, which improves the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of an embodiment.

[0017] Figure 2 It is an exploded perspective schematic diagram of an embodiment.

[0018] Figure 3 Schematic diagram of the cross section of the box in the embodiment.

[0019] Figure 4 This is a schematic diagram of the explosion at the collecting pipe in the embodiment.

[0020] In the figure: 1. box body; 2. oil delivery hole; 3. nozzle; 4. drive motor; 5. first drive wheel; 6. second drive wheel; 7. third drive wheel; 8. fourth drive wheel; 9. output shaft; 10. heat dissipation hole; 11. oil outlet hole; 12. threaded sleeve; 13. collecting pipe; 14. threaded groove; 15. twist cover; 16. box cover; 17. output hole. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-Figure 2As shown, a gear box for improving the driving force of a baby carriage comprises a box body 1, wherein the top surface of the box body 1 is provided with two oil delivery holes 2, and nozzles 3 are fixed on one side of the two oil delivery holes 2 connected to the inside of the box body 1, a driving motor 4 is fixed inside the box body 1, and a first driving wheel 5 is fixed on the output end of the driving motor 4, and a second driving wheel 6 is meshed with a gear of the first driving wheel 5, and a third driving wheel 7 coaxially rotates with the second driving wheel 6, and the third driving wheel 7 is meshed with a fourth driving wheel 8, and an output shaft 9 is fixed through the inside of the fourth driving wheel 8, wherein one of the oil delivery holes 2 is located vertically above the meshing point of the first driving wheel 5 and the second driving wheel 6, and the other oil delivery hole 2 is located vertically above the meshing point of the third driving wheel 7 and the fourth driving wheel 8, and a threaded groove 14 is provided inside the oil delivery hole 2, and a twist cover 15 is rotatably provided inside the oil delivery hole 2, and the twist cover 15 is threadedly connected to the inside of the oil delivery hole 2, and a box cover 16 is detachably provided on the left side of the box body 1, and an output hole 17 is provided on the left side of the box cover 16, and the output shaft 9 passes through the output hole 17.

[0023] During use, when the staff finds that the driving efficiency of the gearbox becomes low, at this time, the staff needs to lubricate the gears inside the box body 1. The staff can first reduce the speed of the drive motor 4, and then rotate and open the twist cover 15, and pour the lubricating oil into the connected nozzle 3 through one of the oil delivery holes 2. Since the nozzle 3 is located vertically above the meshing point of the first drive wheel 5 and the second drive wheel 6, the lubricating oil can fully penetrate the meshing point of the first drive wheel 5 and the second drive wheel 6 through the nozzle 3, and then pour the lubricating oil into the connected nozzle 3 through another oil delivery hole 2. Since the nozzle 3 is located vertically above the meshing point of the third drive wheel 7 and the fourth drive wheel 8, the lubricating oil can fully penetrate the meshing point of the third drive wheel 7 and the fourth drive wheel 8 through the nozzle 3. Since the speed of the drive motor 4 decreases, the drive motor 4 drives the first drive wheel 5 to rotate slowly, thereby driving the second drive wheel 6, the third drive wheel 7 and the fourth drive wheel 8 to rotate, so that all gears are fully infiltrated. By using the structure of the nozzle 3 for lubrication, the meshing part of the gear can be fully lubricated without pouring the oil multiple times, and the lubrication effect can be improved by using an appropriate amount of lubricating oil.

[0024] like Figure 3 As shown, two heat dissipation holes 10 are opened on the right side of the box body 1, one of which is located on the left side of the meshing position of the first driving wheel 5 and the second driving wheel 6, and the other is located on the left side of the meshing position of the third driving wheel 7 and the fourth driving wheel 8.

[0025] During use, the gearbox, as a power transmission part, will generate a lot of heat during use. A heat dissipation hole 10 is located on the left side of the meshing place between the first drive wheel 5 and the second drive wheel 6, and another heat dissipation hole 10 is located on the left side of the meshing place between the third drive wheel 7 and the fourth drive wheel 8, so that the heat generated by the gears at the meshing place can be quickly dissipated through the two heat dissipation holes 10. The heat dissipation holes 10 are circular mesh structures, and the two heat dissipation holes 10 are kept at a certain distance from the meshing place of the gears, so that the lubricating oil will not fall onto the heat dissipation holes 10, thereby avoiding the lubricating oil blocking the mesh holes and reducing the heat dissipation effect, thereby improving the service life of the gearbox.

[0026] like Figure 4 As shown, an oil outlet hole 11 is opened on the inner bottom surface of the box body 1, and a threaded sleeve 12 is fixed to one end of the oil outlet hole 11 connected to the outside. A collecting pipe 13 is sleeved inside the threaded sleeve 12, and the collecting pipe 13 is connected to the inner thread of the threaded sleeve 12.

[0027] After use, since the top surface of the housing 1 is flat and the bottom surface is round, the lubricating oil falling from the gear meshing position will flow into the oil outlet hole 11 through the slope. Since the oil outlet hole 11 is a funnel-shaped structure, the excess lubricating oil will fall into the collection pipe 13 through the oil outlet hole 11, avoiding the poor use effect of the gearbox due to excessive accumulation of lubricating oil inside the housing 1. When there is too much lubricating oil in the collection pipe 13, the collection pipe 13 can be separated from the threaded sleeve 12 by rotation, so as to process the lubricating oil in the collection pipe 13, thereby improving the convenience of the device.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gear box for improving the driving force of a baby carriage, comprising a box body (1), characterized in that: The top surface of the housing (1) is provided with two oil delivery holes (2), and a nozzle (3) is fixed on one side of the two oil delivery holes (2) connected to the interior of the housing (1). A drive motor (4) is fixed inside the housing (1), and a first drive wheel (5) is fixed to the output end of the drive motor (4). The gear of the first drive wheel (5) is meshed with a second drive wheel (6), and the second drive wheel (6) is coaxially rotated with a third drive wheel (7), and the third drive wheel (7) is meshed with a fourth drive wheel (8), and an output shaft (9) is fixed through the interior of the fourth drive wheel (8).

2. A gear box for improving the driving force of a baby carriage according to claim 1, characterized in that: One of the oil delivery holes (2) is located vertically above the meshing point between the first drive wheel (5) and the second drive wheel (6), and the other oil delivery hole (2) is located vertically above the meshing point between the third drive wheel (7) and the fourth drive wheel (8).

3. A gear box for improving driving force of a baby carriage according to claim 1, characterized in that: Two heat dissipation holes (10) are provided on the right side of the box body (1), one of the heat dissipation holes (10) is located on the left side of the meshing position of the first drive wheel (5) and the second drive wheel (6), and the other heat dissipation hole (10) is located on the left side of the meshing position of the third drive wheel (7) and the fourth drive wheel (8).

4. A gear box for improving driving force of a baby carriage according to claim 1, characterized in that: An oil outlet hole (11) is provided on the inner bottom surface of the box body (1); a threaded sleeve (12) is fixed to one end of the oil outlet hole (11) communicating with the outside; a collecting pipe (13) is sleeved inside the threaded sleeve (12); and the collecting pipe (13) is connected to the inner thread of the threaded sleeve (12).

5. A gear box for improving driving force of a baby carriage according to claim 1, characterized in that: A thread groove (14) is provided inside the oil delivery hole (2), a twist cover (15) is rotatably provided inside the oil delivery hole (2), and the twist cover (15) is threadably connected to the inside of the oil delivery hole (2).

6. A gear box for improving driving force of a baby carriage according to claim 1, characterized in that: The left side of the box body (1) is provided with a detachable box cover (16), the left side of the box cover (16) is provided with an output hole (17), and the output shaft (9) passes through the output hole (17).

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