CN222963301U

CN222963301U - A simple gear box

Info

Publication number: CN222963301U
Application number: CN202420854494.9U
Authority: CN
Inventors: 应福明; 郏剑永; 丁远
Original assignee: Zhejiang Hongye Hi Tech Intelligent Equipment Co ltd
Current assignee: Zhejiang Hongye Hi Tech Intelligent Equipment Co ltd
Priority date: 2024-04-24
Filing date: 2024-04-24
Publication date: 2025-06-10
Anticipated expiration: 2034-04-24

Abstract

The utility model discloses a simple gearbox which comprises a box body (1), a large gear (2), a gear shaft (3), a first bearing (4), a second bearing (5), a third bearing (6) and an oil seal (7), and is characterized in that the box body comprises an outer shell, a first barrel (11) and a second barrel (12), the first barrel and the second barrel are vertically arranged, the gear shaft is arranged in the first barrel, the first barrel is arranged in the outer shell, the first end of the second barrel is positioned in the outer shell, the second end of the second barrel extends out of the outer shell, a second conical tooth (31) is arranged on the gear shaft, and a first bearing is arranged between the outer peripheral surface of the second barrel and the inner peripheral surface of the large gear. The utility model can realize bidirectional power output, has simple structure, convenient installation, multi-directional installation, high transmission efficiency and low manufacturing cost.

Description

Simple gearbox

Technical Field

The utility model relates to the technical field of gear transmission devices, in particular to a simple gearbox.

Background

The gearbox generally comprises a box body, a rotating shaft, gears and other parts, wherein the gears comprise round gears, bevel gears and the like. However, the existing gear box still has the problems of complex structure, inconvenient installation and high manufacturing cost.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provide a simple gearbox which can realize bidirectional power output, has a simple structure, is convenient to install, can realize multidirectional installation, and has high transmission efficiency and low manufacturing cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The simple gearbox comprises a box body (1), a large gear (2), a gear shaft (3), a first bearing (4), a second bearing (5), a third bearing (6) and an oil seal (7), and is characterized in that the box body comprises an outer shell, a first barrel (11) and a second barrel (12), the first barrel and the second barrel are vertically arranged, the gear shaft is arranged in the first barrel, the first barrel is arranged in the outer shell, a first end of the second barrel is positioned in the outer shell, a second end of the second barrel extends out of the outer shell, a second conical tooth (31) is arranged on the gear shaft, a first conical tooth (21) is arranged on the large gear, the first conical tooth is meshed with the second conical tooth for transmission, one or two bearings are arranged between the outer peripheral surface of the second barrel and the inner peripheral surface of the large gear, the second bearing and the outer shell are respectively arranged between the outer peripheral surfaces of two ends of the gear shaft, the third bearing is provided with the oil seal, and the oil seal is also arranged between the first conical tooth and the second barrel.

Further, the second end of the second cylinder body (12) is connected with the power output end of the driving mechanism, and the two ends of the gear shaft (3) extending out of the outer shell are respectively the power output ends of the gear box.

Further, the second barrel part (12) comprises a flat part (13), first mounting holes (14) and a communication cavity (15), the outer peripheral surface of the first end of the second barrel part is provided with the flat part, the flat part is provided with the first mounting holes, the two flat parts are symmetrically arranged, one or two first mounting holes are arranged, the first mounting holes are through holes, the communication cavity is formed in the second barrel part and is communicated with the gear shaft, and the section of the second barrel part is in an elliptic runway shape.

Further, the outer shell is provided with second mounting holes (16) and third mounting holes (17), the four second mounting holes are through holes, the four second mounting holes are respectively arranged at four corners of the outer shell, the plurality of array type third mounting holes are threaded holes, and the array type third mounting holes on the upper side and the lower side of the outer shell are symmetrically arranged.

Further, the outer end face of the large gear (2) is provided with fourth mounting holes (22), a plurality of the fourth mounting holes are distributed along the circumferential direction, and the fourth mounting holes are threaded holes.

Further, a key groove (32) and a connecting hole (33) are formed in the outer end of the gear shaft (3), the connecting hole is a through hole, and the axis of the connecting hole is perpendicular to the center line of the key groove.

Further, a marking line (18) is arranged on the front side surface of the outer shell, a marking line is also arranged on the large gear (2), the marking line is aligned with the central line of the key groove (32) when the outer shell is installed, the marking line is perpendicular to the flat part (13), the marking line (18) is aligned with the axis of the first installation hole (14), and the marking line on the outer shell is aligned with the marking line on the large gear.

Further, the first bearing (4), the second bearing (5) and the third bearing (6) are ball bearings, and an adjusting gasket (41) and a circlip (42) for a shaft are arranged on the outer side surface of the first bearing.

The simple gearbox provided by the utility model can realize bidirectional power output, is simple in structure, convenient to install, high in transmission efficiency and low in manufacturing cost, and can be installed in multiple directions.

Drawings

FIG. 1 is a schematic diagram of a cross-sectional structure of a simple gearbox of the present utility model;

FIG. 2 is a schematic perspective view of a simple gearbox of the present utility model;

FIG. 3 is a schematic view of the structure of the large gear and the gear shaft of the present utility model;

FIG. 4 is a schematic diagram of the structure of the case of the present utility model;

fig. 5 is a schematic view of the projection plane structure of the simple gearbox of the present utility model.

In the figure, a box body 1, a large gear 2, a gear shaft 3, a first bearing 4, a second bearing 5, a third bearing 6, a packing seal/oil seal 7, a first cylinder body 11, a second cylinder body 12, a flat part 13, a first mounting hole 14, a communication cavity 15, a second mounting hole 16, a third mounting hole 17, a marking line 18, a first conical tooth part 21, a fourth mounting hole 22, a second conical tooth part 31, a key groove 32, a connecting hole 33, an adjusting gasket 41 and a shaft circlip 42.

Detailed Description

In order to make the technical solution of the present utility model and its advantages more clear, the technical solution of the present utility model will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present utility model, which are for explanation of the present utility model and not for limitation of the present utility model. It should be noted that, for convenience of description, only the part/structure related to the present utility model is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present utility model and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. Furthermore, unless defined otherwise, technical or scientific terms used in the description of the utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the utility model pertains.

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1-5, a simple gearbox comprises a box body 1, a large gear 2, a gear shaft 3, a first bearing 4, a second bearing 5, a third bearing 6 and a packing seal/oil seal 7, and is characterized in that the box body 1 comprises an outer shell, a first cylinder body 11 and a second cylinder body 12, the first cylinder body 11 and the second cylinder body 12 are vertically arranged, the gear shaft 3 is installed in the first cylinder body 11, the first cylinder body 11 is arranged in the outer shell, the first end of the second cylinder body 12 is positioned in the outer shell, the second end extends out of the outer shell, a second conical tooth part 31 is arranged on the gear shaft 3, a first conical tooth part 21 is arranged on the large gear 2, the first conical tooth part 21 is in meshed transmission with the second conical tooth part 31, a first bearing 4 is installed between the outer peripheral surface of the second cylinder body 12 and the inner peripheral surface of the large gear 2, one or two first bearings 4 are arranged in the vertical direction, a second bearing 5 and a third bearing 6 are installed between the outer peripheral surface of the two ends of the gear shaft 3 and the outer shell, the first conical tooth part 7 is installed between the first conical tooth part 7 and the second conical tooth part 7 is installed.

The second end of the second cylinder body 12 is connected with the power output end of the driving mechanism, and the two ends of the gear shaft 3 extending out of the outer shell are respectively the power output ends of the gear box.

The second barrel 12 comprises a flat portion 13, a first mounting hole 14 and a communication cavity 15, the flat portion 13 is arranged on the outer peripheral surface of the first end of the second barrel 12, the first mounting hole 14 is formed in the flat portion 13, the two flat portions 13 are symmetrically arranged, one or two first mounting holes 14 are formed in the first mounting hole 14, the communication cavity 15 is formed in the second barrel 12, the communication cavity 15 is communicated with the gear shaft 3, and the section of the second barrel 12 is in an oval runway shape.

The outer shell is provided with a second mounting hole 16 and a third mounting hole 17, the four second mounting holes 16 are through holes, the four second mounting holes 16 are respectively arranged at four corners of the outer shell, the plurality of array type third mounting holes 17 are threaded holes, and the array type third mounting holes 17 on the upper side and the lower side of the outer shell are symmetrically arranged.

The outer end face of the large gear 2 is provided with fourth mounting holes 22, a plurality of fourth mounting holes 22 are distributed along the circumferential direction, and the fourth mounting holes 22 are threaded holes.

The outer end of the gear shaft 3 is provided with a key groove 32 and a connecting hole 33, the connecting hole 33 is a through hole, and the axis of the connecting hole 33 is perpendicular to the central line of the key groove 32.

The front side of the outer housing is provided with a marking line 18, the gearwheel 2 is also provided with a marking line 18, the marking line 18 is aligned with the centre line of the keyway 32 when mounted/assembled, the marking line 18 is perpendicular to the flat 13, the marking line 18 is aligned with the axis of the first mounting hole 14, and the marking line 18 on the outer housing is aligned with the marking line on the gearwheel 2.

The first bearing 4, the second bearing 5 and the third bearing 6 are ball bearings, and an adjusting washer 41 and a circlip 42 for a shaft are mounted on the outer side surface of the first bearing 4.

Grease is added into the inner cavity of the gear box.

The above-described embodiments are illustrative of the present utility model and are not intended to be limiting, and it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the spirit and scope of the present utility model as defined by the appended claims and their equivalents.

Claims

1. The simple gearbox comprises a box body (1), a large gear (2), a gear shaft (3), a first bearing (4), a second bearing (5), a third bearing (6) and an oil seal (7), and is characterized in that the box body comprises an outer shell, a first barrel (11) and a second barrel (12), the first barrel and the second barrel are vertically arranged, the gear shaft is arranged in the first barrel, the first barrel is arranged in the outer shell, a first end of the second barrel is positioned in the outer shell, a second end of the second barrel extends out of the outer shell, a second conical tooth (31) is arranged on the gear shaft, a first conical tooth (21) is arranged on the large gear, the first conical tooth is meshed with the second conical tooth for transmission, one or two bearings are arranged between the outer peripheral surface of the second barrel and the inner peripheral surface of the large gear, the second bearing and the outer shell are respectively arranged between the outer peripheral surfaces of two ends of the gear shaft, the third bearing is provided with the oil seal, and the oil seal is also arranged between the first conical tooth and the second barrel.

2. A simple gearbox according to claim 1, characterised in that the second end of the second barrel part (12) is connected to the power take-off end of the drive mechanism, and the ends of the gear shaft (3) extending out of the outer housing are the power take-off ends of the gearbox respectively.

3. A simple gearbox according to claim 2, characterized in that the second cylinder (12) comprises a flat part (13), a first mounting hole (14) and a communicating cavity (15), the outer circumferential surface of the first end of the second cylinder is provided with the flat part, the flat part is provided with the first mounting hole, the two flat parts are symmetrically arranged, one or two first mounting holes are arranged, the first mounting hole is a through hole, the communicating cavity is formed in the second cylinder, the communicating cavity is communicated with the gear shaft, and the section of the second cylinder is in an elliptic runway shape.

4. A simple gearbox according to claim 3, wherein the outer casing is provided with second mounting holes (16) and third mounting holes (17), the four second mounting holes are through holes, the four second mounting holes are respectively arranged at four corners of the outer casing, the plurality of array-type third mounting holes are threaded holes, and the array-type third mounting holes on the upper side and the lower side of the outer casing are symmetrically arranged.

5. A simple gearbox according to claim 4, characterised in that the outer end face of the gearwheel (2) is provided with fourth mounting holes (22) which are distributed circumferentially and which are threaded holes.

6. A simple gearbox according to claim 5, characterised in that the outer end of the gear shaft (3) is provided with a key way (32), a connecting hole (33), which is a through hole, the axis of which is perpendicular to the centre line of the key way.

7. A simple gearbox according to claim 6, characterised in that the front side of the outer housing is provided with a marking line (18) and that the gearwheel (2) is also provided with a marking line which, when mounted, is aligned with the centre line of the key way (32), the marking line being perpendicular to the flat portion (13), the marking line (18) being aligned with the axis of the first mounting hole (14), and the marking line on the outer housing being aligned with the marking line on the gearwheel.

8. A simple gearbox according to claim 6, characterised in that the first bearing (4), the second bearing (5) and the third bearing (6) are ball bearings, and that the outer side of the first bearing is provided with an adjusting washer (41) and a circlip (42) for the shaft.