CN217874096U

CN217874096U - Reduction gear with leak protection oil function

Info

Publication number: CN217874096U
Application number: CN202222038258.3U
Authority: CN
Inventors: 白云雷
Original assignee: Shenzhen Yateng Motor Co ltd
Current assignee: Shenzhen Yateng Motor Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-22
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a reduction gear box with leak protection oil function belongs to gear reduction technical field. The utility model discloses a power take off subassembly, the reduction gear subassembly, driving motor and box, power take off subassembly and reduction gear subassembly are fixed to be set up in the box, power take off subassembly is connected with the meshing of reduction gear subassembly, driving motor is equipped with the motor shaft, the motor shaft is equipped with sealing lubricating oil with the lateral wall that passes the box, the motor shaft is equipped with fixed connection's worm with the lateral wall contact department of box, the worm is connected with the perpendicular meshing of reduction gear subassembly, driving motor can drive the worm and drive the reduction gear subassembly and then drive the motion of power take off subassembly. The beneficial effects of the utility model are that: lubricating oil between the gears can be prevented from permeating into the motor and permeating out of the reduction gear box, the stability of the reduction gear box is improved, and the service life of the motor is prolonged.

Description

Reduction gear with leak protection oil function

Technical Field

The utility model relates to a speed reduction equipment technical field, concretely relates to reduction gear box with leak protection oil function.

Background

The speed reduction gear box achieves the purpose of speed reduction by utilizing the transmission of gears at all stages. The reduction gear box is generally used for transmission equipment with low rotating speed and high torque, and the ratio of the number of teeth of a large gear and a small gear of the reduction gear box is the transmission ratio. With the continuous development of society, more and more enterprises have used reduction gear.

At present, the conventional reduction gearbox still has some defects, when the gear rotates to work, lubricating oil between the gears easily permeates into the motor, the service life of the motor is shortened, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model provides a reduction gear box with leak protection oil function through set up many places sealed lubricating oil, sealed cushion and O type sealing washer in reduction gear assembly, can prevent in the lubricating oil infiltration motor between the gear, also can prevent that lubricating oil between the gear from oozing outside reduction gear box, has improved reduction gear box's stability, has improved the life of motor, has solved the problem in the easy infiltration motor of lubricating oil between the reduction gear box gear among the prior art.

The utility model provides a pair of reduction gear box with leak protection oil function, including power take off subassembly, reduction gear subassembly, driving motor and box, power take off subassembly with reduction gear subassembly is fixed set up in the box, power take off subassembly with reduction gear subassembly meshing is connected, driving motor is equipped with the motor shaft, the motor shaft with pass the lateral wall of box, the motor shaft with the lateral wall contact department of box is equipped with sealing lubricant, the motor shaft is equipped with fixed connection's worm, the worm with reduction gear subassembly meshes the connection perpendicularly, driving motor can drive the worm drives reduction gear subassembly and then drive the motion of power take off subassembly.

The utility model discloses make further improvement, the box is equipped with upper cover and lower cover, the upper cover with be equipped with sealed cushion between the lateral wall all around of box, sealed cushion respectively with the lateral wall all around of box the upper cover closely pastes and connects.

The utility model discloses do further improvement, power take-off subassembly includes power output shaft, output gear and ball bearing, power output shaft with output gear fixed connection, output gear with the reduction gear subassembly meshing is connected, stretch out on power output shaft's top the lower cover, the ball bearing sets up in the lower cover with between the power output shaft, ball bearing with lower cover fixed connection, ball bearing with power output shaft swing joint, ball bearing with be equipped with sealed lubricating oil between the power output shaft.

The utility model discloses make further improvement, the lower cover with still be equipped with O type sealing washer between the power output shaft, O type sealing washer set up in the internal surface of lower cover with power output shaft's contact department.

The utility model discloses make further improvement, power output shaft with be equipped with the oiliness bearing between the upper cover, the oiliness bearing with upper cover fixed connection, the oiliness bearing with power output shaft swing joint, the oiliness bearing with be equipped with sealed lubricating oil between the power output shaft.

The utility model discloses do further improvement, the reduction gear subassembly includes one-level reduction gear and second grade duplex reduction gear, one-level reduction gear with the worm meshes perpendicularly and connects, second grade duplex reduction gear respectively with one-level reduction gear output gear meshes and connects.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a reduction gear with leak protection oil function, through set up many places sealed lubricating oil, sealed cushion and O type sealing washer in reduction gear assembly, can prevent during the lubricating oil infiltration motor between the gear, also can prevent that lubricating oil between the gear from oozing outside reduction gear, improved reduction gear's stability, improved the life of motor, solved among the prior art problem in the easy infiltration motor of lubricating oil between the reduction gear.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a sectional view of a reduction gear box with oil leakage prevention function according to the present invention;

FIG. 2 is a structural diagram of a reduction gear box with oil leakage prevention function according to the present invention;

fig. 3 is a sectional view of the reduction gear box with oil leakage prevention function of the present invention.

In the figure, 1-power output assembly, 11-power output shaft, 12-output gear, 13-ball bearing, 14-O-shaped sealing ring, 15-oil bearing, 2-reduction gear assembly, 21-first reduction gear, 22-second duplex reduction gear, 3-driving motor, 31-motor shaft, 32-worm, 4-box body, 41-upper cover, 42-lower cover, 43-sealing rubber gasket and 5-sealing lubricating oil.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides a pair of reduction gear box with leak protection oil function, including power take off subassembly 1, reduction gear assembly 2, driving motor 3 and box 4, power take off subassembly 1 and reduction gear assembly 2 are fixed to be set up in box 4, power take off subassembly 1 is connected with the 2 meshing of reduction gear assembly, driving motor 3 is equipped with motor shaft 31, motor shaft 31 and the lateral wall that passes box 4, motor shaft 31 is equipped with sealing lubricating oil 5 with the lateral wall contact department of box 4, motor shaft 31 is equipped with fixed connection's worm 32, worm 32 is connected with the 2 perpendicular meshing of reduction gear assembly, driving motor 3 can drive worm 32 and drive reduction gear assembly 2 and then drive power take off subassembly 1 and move. In this embodiment, the sealed lubricating oil that sets up between the lateral wall contact department of motor shaft and box can play fine sealed effect, prevents that other part lubricating oil in the reduction gear box from in this inflow motor, has improved the life of motor, has solved the problem in the lubricating oil infiltration motor easily between the reduction gear box gear among the prior art.

As shown in fig. 2, the box 4 is provided with an upper cover 41 and a lower cover 42, a sealing rubber pad 43 is arranged between the upper cover 41 and the peripheral side wall of the box 4, and the sealing rubber pad 43 is respectively closely attached to the peripheral side wall of the box 4 and the upper cover 41. In this embodiment, upper cover and box carry out fastening connection through the bolt, because the existence of sealed cushion after the fastening connection, can prevent that the lubricating oil in the reduction gear box from flowing out from the gap of upper cover and box lateral wall contact, damaging other relevant electrical part.

As shown in fig. 3, the power output assembly 1 includes a power output shaft 11, an output gear 12 and a ball bearing 13, the power output shaft 11 is fixedly connected with the output gear 12, the output gear 12 is engaged with the reduction gear assembly 2, the top end of the power output shaft 11 extends out of the lower cover 42, the ball bearing 13 is disposed between the lower cover 42 and the power output shaft 11, the ball bearing 13 is fixedly connected with the lower cover 42, the ball bearing 13 is movably connected with the power output shaft 11, a sealing lubricant 5 is disposed between the ball bearing 13 and the power output shaft 11, an O-shaped sealing ring 14 is further disposed between the lower cover 42 and the power output shaft 11, and the O-shaped sealing ring 14 is disposed at a contact position between the inner surface of the lower cover 42 and the power output shaft 11. In this embodiment, ball bearing is whole in the lid of lower cover, and the lower cover medial surface has set up O type sealing washer, sets up sealed lubricating oil between this ball bearing and power output shaft and can prevent that the lubricating oil in the reduction gear box from flowing from the gap of ball bearing and power output shaft contact, damages other relevant electrical part, and the O type sealing washer of increase can further strengthen sealed effect, improves this reduction gear box's job stabilization nature.

As shown in fig. 3, an oil-retaining bearing 15 is arranged between the power output shaft 11 and the upper cover 41, the oil-retaining bearing 15 is fixedly connected with the upper cover 41, the oil-retaining bearing 15 is movably connected with the power output shaft 11, sealing lubricating oil 5 is arranged between the oil-retaining bearing 15 and the power output shaft 11, the reduction gear assembly 2 comprises a first-stage reduction gear 21 and a second-stage duplex reduction gear 22, the first-stage reduction gear 21 is vertically meshed with the worm 32, and the second-stage duplex reduction gear 22 is meshed with the first-stage reduction gear 21 and the output gear 12 respectively. In this embodiment, the oil-retaining bearing is used as a connecting piece between the power output shaft and the upper cover, the sealing lubricating oil is arranged between the oil-retaining bearing and the power output shaft, so that the lubricating oil in the reduction gear box can be prevented from flowing out from a gap where the oil-retaining bearing is contacted with the power output shaft, other related electric devices are damaged, the lubricating sealing oil is also arranged between the oil-retaining bearing and the output gear, the sealing effect can be further enhanced, and the working stability of the reduction gear box is improved.

According to the above, the utility model provides a reduction gear box with leak protection oil function through set up many places sealed lubricating oil, sealed cushion and O type sealing washer in reduction gear assembly, can prevent during the lubricating oil infiltration motor between the gear, also can prevent that lubricating oil between the gear from oozing outside reduction gear box, has improved reduction gear box's stability, has improved the life of motor, has solved the problem in the easy infiltration motor of lubricating oil between the reduction gear box gear among the prior art.

The above-mentioned embodiments are preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the scope of the present invention includes but is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a reduction gear with leak protection oil function which characterized in that: including power take off subassembly, reduction gear subassembly, driving motor and box, power take off subassembly with reduction gear subassembly is fixed set up in the box, power take off subassembly with reduction gear subassembly meshing is connected, driving motor is equipped with the motor shaft, the motor shaft with pass the lateral wall of box, the motor shaft with the lateral wall contact department of box is equipped with sealed lubricating oil, the motor shaft is equipped with fixed connection's worm, the worm with reduction gear subassembly meshes perpendicularly and connects, driving motor can drive the worm drives reduction gear subassembly and then drive the motion of power take off subassembly.

2. The reduction gear box with an oil leakage prevention function according to claim 1, characterized in that: the box body is provided with an upper cover and a lower cover, sealing rubber pads are arranged between the upper cover and the peripheral side walls of the box body, and the sealing rubber pads are respectively closely attached to the peripheral side walls of the box body and the upper cover.

3. The reduction gearbox with oil leakage prevention function according to claim 2, wherein: the power output assembly comprises a power output shaft, an output gear and a ball bearing, the power output shaft is fixedly connected with the output gear, the output gear is meshed with the reduction gear assembly, the top end of the power output shaft extends out of the lower cover, the ball bearing is arranged between the lower cover and the power output shaft, the ball bearing is fixedly connected with the lower cover, the ball bearing is movably connected with the power output shaft, and sealing lubricating oil is arranged between the ball bearing and the power output shaft.

4. The reduction gear box with an oil leakage prevention function according to claim 3, characterized in that: an O-shaped sealing ring is further arranged between the lower cover and the power output shaft, and the O-shaped sealing ring is arranged at the contact position of the inner surface of the lower cover and the power output shaft.

5. The reduction gearbox with oil leakage prevention function according to claim 4, wherein: an oil-containing bearing is arranged between the power output shaft and the upper cover, the oil-containing bearing is fixedly connected with the upper cover, the oil-containing bearing is movably connected with the power output shaft, and sealing lubricating oil is arranged between the oil-containing bearing and the power output shaft.

6. The reduction gearbox with oil leakage prevention function according to claim 5, wherein: the reduction gear assembly comprises a first-stage reduction gear and a second-stage duplex reduction gear, the first-stage reduction gear is vertically meshed with the worm, and the second-stage duplex reduction gear is meshed with the first-stage reduction gear and the output gear respectively.