CN211117470U

CN211117470U - Gear box of floor sweeping robot

Info

Publication number: CN211117470U
Application number: CN201921809375.7U
Authority: CN
Inventors: 胡弼夫
Original assignee: Dongguan Spark Gear Co ltd
Current assignee: Dongguan Spark Gear Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-28
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a sweeping robot gear box, which comprises a robot gear box main body, a bottom shell, a motor gear, a gear shaft, a primary gear, a secondary gear, a tertiary gear, a driving wheel, a rotating shaft, a quaternary gear, a spring retainer ring, a cover plate, a fixing column, a connecting screw hole and a connecting screw, wherein the bottom shell is arranged on the outer wall of the middle part of the robot gear box main body, the motor is embedded and installed on the outer wall of the bottom end at one side of the bottom shell, and one end of an output shaft of the motor penetrates through the inner part of the bottom shell and is; the transmission structure of the gear box is simple and effective, so that the later-stage production process is simple, and the gear box is beneficial to later-stage batch production, wherein the motor gear is made of brass, the primary gear is made of TPEE65 rubber, and the secondary gear and the tertiary gear are made of POM (90-44); the transmission has the advantages of high rotating speed transmission and low transmission noise; the influence of the working noise of the sweeping robot on the rest, work and the like of indoor people in the later period can be avoided as much as possible.

Description

Gear box of floor sweeping robot

Technical Field

The utility model relates to a gear box technical field specifically is a robot gear box sweeps floor.

Background

Along with the development of the society 'artificial intelligence', the intelligent quality of industrial products is improved, the intellectualization of household appliances is rapidly developed, the household appliances are more and more popular with people, and more substitutes are required to be available in the market due to the complicated housework; the household is clean and sanitary, and is one of the market demands, so that the indoor floor sweeping robot capable of automatically sweeping the interior of the city can be replaced, and the indoor floor sweeping robot is well suitable for the market; it can carry out the automatic dust absorption to ground, and detects factors such as room size, furniture are put, ground cleanliness automatically, relies on built-in procedure, formulates reasonable clean route by oneself, adopts the brush to sweep and the vacuum mode, absorbs the rubbish receiver that gets into self with ground debris earlier to accomplish the ground cleanness.

The design of the driving gear box, which is used as a walking module of the sweeping robot, is one of the key parts of the robot, bears the weight of all components of the sweeping robot, and walks on the ground in all directions according to a built-in program of the robot to realize the in-place cleaning route; the brief working principle is as follows: the driving gear boxes are respectively distributed at two sides of the sweeper (namely, the left driving wheel and the right driving wheel) and are used as driving power, each driving gear box can do forward and reverse rotation movement, and the left driving wheel and the right driving wheel can simultaneously move in the same direction, so that the linear walking of the sweeper is realized; the left driving wheel and the right driving wheel move reversely at the same time, namely the sweeper rotates in situ; furthermore, other modes of the left and right driving wheels such as left fast and right slow or left slow and right fast form various arc walking of the sweeper; the left driving wheel and the right driving wheel in the forms are combined in a moving mode and penetrate through the intelligent system of the sweeping robot all the time, and movement guarantee is provided for the sweeper to walk everywhere.

But the gear box structure that is used for sweeping floor robot now is comparatively complicated, and wherein the gear in the gear box all adopts some alloy material, is unfavorable for the fine transmission in later stage, and transmission noise is great among the transmission process, influences indoor people in later stage rest, work etc. and the torsion that obtains of transmission structure in the current gear box is general, and the structure is comparatively complicated, and the process of producing is comparatively loaded down with trivial details, influences the later stage and promotes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a robot gear box sweeps floor to solve the problem that provides in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a sweeping robot gear box comprises a robot gear box main body, a bottom shell, a motor gear, a gear shaft, a primary gear, a secondary gear, a tertiary gear, a driving wheel, a rotating shaft, a quaternary gear, a spring retainer ring, a cover plate, a fixing column, a connecting screw hole and a connecting screw, wherein the bottom shell is arranged on the outer wall of the middle part of the robot gear box main body, the motor is embedded and installed on the outer wall of the bottom end of one side of the bottom shell, one end of an output shaft of the motor penetrates through the inside of the bottom shell and is fixedly connected with the motor gear, the gear shaft is fixedly connected with the inner wall of the bottom shell on one side of the motor gear in a distributed manner, the gear shaft on one side of the motor gear is respectively rotatably sleeved and installed with the primary gear, the secondary gear and the tertiary gear, one side of the gear shaft, the primary, one side outer wall center fixedly connected with axis of rotation of drive wheel, and the one end of axis of rotation rotate run through in the inside fixedly connected with level four gear of drain pan, and level four gear and the meshing of tertiary gear low side outer wall are connected.

Furthermore, a rotating shaft at one end of the driving wheel is fixedly connected with the four-stage gear through a spring collar.

Furthermore, the inner wall of one side of the bottom shell is fixedly connected with fixing columns in a distributed mode, the outer wall of one side of the cover plate and the outer wall of the top end of each fixing column are correspondingly provided with connecting screw holes, and the inner wall between the connecting screw holes is screwed with connecting screws.

Further, the material of the motor gear is brass, the material of the primary gear is TPEE65 rubber, and the material of the secondary gear and the tertiary gear is POM (90-44).

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: according to the utility model, the transmission structure in the gear box is simple and effective, so that the later-stage production process is simple, and the later-stage batch production is facilitated, wherein the motor gear is made of brass, the primary gear is made of TPEE65 sizing material, and the secondary gear and the tertiary gear are made of POM (90-44); the transmission has the advantages of high rotating speed transmission and low transmission noise; the influence of the working noise of the sweeping robot on the rest, work and the like of people in the room in the later period can be avoided as much as possible; the torque force of the driving gear box is improved by the output torque of the low-voltage (12VDC) micro motor and the speed reduction transmission of the first, second, third and fourth gears.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional exploded structure of the present invention;

fig. 2 is a schematic view of the overall top-view three-dimensional structure of the present invention;

in the figure: 1. a robot gear box main body; 2. a bottom case; 3. a motor; 4. a motor gear; 5. a gear shaft; 6. a primary gear; 7. a secondary gear; 8. a third-stage gear; 9. a drive wheel; 10. a rotating shaft; 11. A four-stage gear; 12. a spring collar; 13. a cover plate; 14. fixing a column; 15. a connecting screw hole; 16. and connecting screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

According to the technical scheme, the sweeper is characterized in that a gear box of the sweeper robot comprises a robot gear box main body 1, a bottom shell 2, a motor 3, a motor gear 4, a gear shaft 5, a first-stage gear 6, a second-stage gear 7, a third-stage gear 8, a driving wheel 9, a rotating shaft 10, a fourth-stage gear 11, a spring retainer ring 12, a cover plate 13, a fixed column 14, a connecting screw hole 15 and a connecting screw 16, the bottom shell 2 is arranged on the outer wall of the middle portion of the robot gear box main body 1, the motor 3 is embedded on the outer wall of the bottom end of one side of the bottom shell 2, one end of an output shaft of the motor 3 penetrates through the inner portion of the bottom shell 2 and is fixedly connected with the motor gear 4, the gear shaft 5 is fixedly connected with the inner wall of the motor gear 4, the first-stage gear 6, the second-stage gear 7 and the third-stage gear 8 are rotatably sleeved on the gear shaft 5 on one side of the motor gear 4, the gear shaft 5, the first-stage gear 6, the second-stage gear 7 and the gear 8 are fixedly connected with a gear 7, the gear 7, a high-stage gear 7, a high-speed reduction gear 7, a high-7 gear, a high-7-.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a robot gear case sweeps floor, includes robot gear case main part (1), drain pan (2), motor (3), motor gear (4), gear shaft (5), one-level gear (6), secondary gear (7), tertiary gear (8), drive wheel (9), axis of rotation (10), level four gear (11), spring rand (12), apron (13), fixed column (14), connection screw (15) and connecting screw (16), its characterized in that: the robot gearbox is characterized in that a bottom shell (2) is arranged on the outer wall of the middle of the robot gearbox main body (1), a motor (3) is embedded and installed on the outer wall of the bottom end of one side of the bottom shell (2), one end of an output shaft of the motor (3) penetrates through the motor gear (4) fixedly connected inside the bottom shell (2), a gear shaft (5) is fixedly connected to the inner wall of one side of the motor gear (4) of the bottom shell (2) in a distributed mode, a primary gear (6), a secondary gear (7) and a tertiary gear (8) are respectively installed on the gear shaft (5) of one side of the motor gear (4) in a rotating and sleeved mode, one sides of the gear shaft (5), the primary gear (6), the secondary gear (7) and the tertiary gear (8) are connected in a meshing mode, a driving wheel (9) is installed on the outer, one side outer wall center fixedly connected with axis of rotation (10) of drive wheel (9), and the one end of axis of rotation (10) rotates and runs through in inside fixedly connected with level four gear (11) of drain pan (2), and level four gear (11) and tertiary gear (8) low side outer wall meshing are connected.

2. The gear box of the sweeping robot as claimed in claim 1, wherein: and a rotating shaft (10) at one end of the driving wheel (9) is fixedly connected with the four-stage gear (11) through a spring collar (12).

3. The gear box of the sweeping robot as claimed in claim 1, wherein: the improved structure is characterized in that fixing columns (14) are fixedly connected to the inner wall of one side of the bottom shell (2) in a distributed mode, connecting screw holes (15) are correspondingly formed in the outer wall of one side of the cover plate (13) and the outer wall of the top end of each fixing column (14), and connecting screws (16) are screwed on the inner wall between the connecting screw holes (15).

4. The gear box of the sweeping robot as claimed in claim 1, wherein: the motor gear (4) is made of brass, the primary gear (6) is made of TPEE65 rubber, and the secondary gear (7) and the tertiary gear (8) are made of POM (90-44).