CN210883703U

CN210883703U - Speed reduction device and intelligent garbage can

Info

Publication number: CN210883703U
Application number: CN201921511984.4U
Authority: CN
Inventors: 俞浩
Original assignee: Dreame Technology Tianjin Co Ltd
Current assignee: Pursuit Technology Suzhou Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-30
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a decelerator and intelligent garbage bin, include: a housing formed with an accommodating cavity; the two opposite end parts of the output shaft respectively extend out of the accommodating cavity; the torsion spring is sleeved on one end part of the output shaft and is provided with a first torsion arm and a second torsion arm; the first torsion arm of the torsion spring is clamped on the shell, and the second torsion arm of the torsion spring is clamped on the output shaft. The speed reducing device and the intelligent garbage can have the advantages of simple structure, convenience in use, energy conservation and noise reduction.

Description

Speed reduction device and intelligent garbage can

Technical Field

The utility model relates to an intelligence garbage bin technical field especially relates to decelerator and intelligent garbage bin.

Background

Along with the continuous development of society, people's living standard and material culture pursue and constantly improve, and the rubbish that produces also constantly increases, and the requirement to the garbage bin also constantly improves, and traditional open garbage bin, simple structure, the low price, because the garbage bin is open form, cause air pollution and visual pollution easily, give off the peculiar smell simultaneously, breed the bacterium. The intelligent garbage can is a new high-tech product integrating machine, light and electricity, when a hand or an object of a person approaches a feed opening, the garbage can cover can be automatically opened, and the garbage can cover can be automatically closed after garbage is thrown into the garbage can. The defect that current intelligent garbage bin exists in market has: the speed reducer used for opening the cover cannot well open the large cover containing the closing-up packaging mechanism, so that the speed reducer and the intelligent garbage can need to be researched.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned technique, the utility model provides a simple structure, convenient to use, energy-conservation fall decelerator and intelligent garbage bin of making an uproar.

The utility model provides a technical scheme that its technical problem adopted is: a reduction gear unit comprising: a housing formed with an accommodating cavity; the two opposite end parts of the output shaft respectively extend out of the accommodating cavity; the torsion spring is sleeved on one end part of the output shaft and is provided with a first torsion arm and a second torsion arm; the first torsion arm of the torsion spring is clamped on the shell, and the second torsion arm of the torsion spring is clamped on the output shaft.

Preferably, a reduction gear set is arranged in the accommodating cavity, and the main body of the output shaft is located in the accommodating cavity and connected with the reduction gear set, wherein the reduction gear set is a multi-stage reduction gear set.

Preferably, the housing includes a main housing formed with the accommodating cavity, and a housing cover arranged on the main housing to encapsulate the reduction gear set in the accommodating cavity, wherein the housing cover is detachably arranged at the cavity opening of the accommodating cavity.

Preferably, the reduction gear set includes a plurality of transmission gears and a gear shaft for supporting the transmission gears, and both end portions of the gear shaft are supported on an inner wall of the housing, respectively.

Preferably, a clamping groove for clamping the second torsion arm is formed in the end face of one end of the output shaft, and the clamping groove is distributed along the diameter direction of the end face.

Preferably, the slot depth of the slot is greater than the arm thickness of the second torsion arm to trap the second torsion arm into the slot.

Preferably, the other end portion of the output shaft is formed with a rotation stop plane formed on an outer circumferential wall surface of the end portion.

Preferably, the housing is further provided with a driving part for providing a power source for the output shaft, and the driving part is located outside the accommodating cavity

Preferably, the driving part is a motor.

An intelligent trash can, comprising: the big cover is provided with a closing-up packing mechanism and is pivoted at the top of the barrel body through the speed reducing device.

Compared with the prior art, the utility model, its beneficial effect is: the utility model provides a decelerator and intelligent garbage bin, it is through setting up the torsional spring on an end of the output shaft, the first torsion arm card of this torsional spring is established on the casing, the second torsion arm card is established on the output shaft so as to reach the first torsion arm of torsional spring relatively the casing motionless and the second torsion arm rotates along with the output shaft; when the big cover is in a closed state, the torsion spring is in a compressed state, the torsion direction of the torsion spring is beneficial to opening the big cover, the power required by the driving part can be effectively reduced, and the running noise of the driving part is reduced; in the closing process of the large cover, the torsion of the torsion spring is beneficial to slow descending of the large cover, and impact in the closing process is effectively reduced.

Drawings

Fig. 1 is a schematic structural view of the speed reducer of the present invention;

fig. 2 is an exploded schematic view of the reduction gear of the present invention;

fig. 3 is a schematic view of the internal structure of the reduction gear of the present invention;

fig. 4 is a schematic structural diagram of the intelligent trash can of the present invention;

fig. 5 is a schematic view of the big cover of the intelligent garbage can according to the present invention in an open state;

fig. 6 is a schematic view of a position relationship between the body of the intelligent trash can and the speed reducer of the present invention;

fig. 7 is a schematic view of the position relationship between the connecting block of the intelligent garbage can and the speed reducer.

In the figure: 10. a housing; 11. a main housing; 12. a shell cover; 20. an output shaft; 21. a card slot; 22. a rotation stopping plane; 30. a torsion spring; 31. a first torque arm; 32. a second torsion arm; 40. a drive section; 50. a reduction gear set; 60. a large cover; 61. a closing and packaging mechanism; 70. a barrel body; 80. and (4) connecting the blocks.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1 to 3, the present invention provides a reduction gear, including: a housing 10 formed with an accommodating chamber; an output shaft 20 with two opposite ends respectively extending from the accommodating cavity; and a torsion spring 30, which is sleeved on one end of the output shaft 20 and has a first torsion arm 31 and a second torsion arm 32; wherein, the first torsion arm 31 of the torsion spring 30 is clamped on the housing 10, and the second torsion arm 32 is clamped on the output shaft 20; in the present scheme, the torsion spring 30 is located outside the accommodating cavity, a convex plate is fixedly arranged on the outer wall of the housing 10, and the first torsion arm 31 is clamped on the convex plate, so that the rotational freedom degree of the first torsion arm 31 is limited; the second torsion arm 32 of the torsion spring 30 can rotate with the output shaft 20 to transmit the torsion force of the torsion spring 30; when the big cover 60 is in the closed state, the torsion spring 30 is in the compressed state, and the torsion direction of the torsion spring 30 is helpful for opening the big cover 60, so that the power required by the driving part 40 can be effectively reduced, and the operation noise of the driving part 40 is reduced; in the closing process of the large cover 60, the torsion force of the torsion spring 30 helps the large cover 60 to slowly fall, and the impact in the closing process is effectively reduced, in sum, by arranging the torsion spring 30 on the output shaft 20, the speed reduction device can provide a larger torque for lifting the large cover 60, and simultaneously can offset a part of gravity torque when the large cover 60 is closed, so as to be beneficial to slowly closing the cover.

As an embodiment of the present disclosure, as shown in fig. 1 to 3, a reduction gear set 50 is disposed in the accommodating cavity, and a main body of the output shaft 20 is located in the accommodating cavity and connected to the reduction gear set 50, wherein the reduction gear set 50 is a multi-stage reduction gear set.

As an embodiment of the present disclosure, as shown in fig. 2, the housing 10 includes a main housing 11 formed with the accommodating cavity, and a housing cover 12 disposed on the main housing 11 to enclose the reduction gear set 50 in the accommodating cavity, wherein the housing cover 12 is detachably disposed at an opening of the accommodating cavity.

As an embodiment of the present solution, as shown in fig. 3, the reduction gear set 50 includes a plurality of transmission gears and a gear shaft for supporting the transmission gears, and both end portions of the gear shaft are supported on the inner wall of the housing 10, respectively; in this embodiment, the transmission gear includes a head end transmission gear provided on the driving portion 40, a tail end transmission gear fastened to the output shaft 20, and a plurality of intermediate transmission gears located between the head end transmission gear and the tail end transmission gear, and the intermediate transmission gears are supported by the gear shaft.

As an embodiment of this embodiment, as shown in fig. 3, a snap groove 21 for snap-fitting the second torque arm 32 is formed on an end surface of one end portion of the output shaft 20, and the snap grooves 21 are distributed along a diameter direction of the end surface.

As an embodiment of the present invention, as shown in fig. 3, the slot 21 has a depth greater than the thickness of the second torque arm 32 so that the second torque arm 32 is sunk into the slot 21, thereby preventing the second torque arm 32 from being separated from the slot 21, and providing an advantage of stable and reliable connection.

As an embodiment of the present disclosure, as shown in fig. 3, 6 and 7, a rotation stopping plane is formed on the other end portion of the output shaft 20, and the rotation stopping plane is formed on an outer circumferential wall surface of the end portion, in the present disclosure, a connecting block 80 is connected to the other end portion of the output shaft 20, the rotation stopping plane can prevent the connecting block 80 from rotating relative to the output shaft 20, the connecting block 80 is detachably disposed on the large cover 60, and when the output shaft 20 rotates, the output shaft 20 drives the large cover 60 to rotate through the connecting block 80.

As an embodiment of the present invention, as shown in fig. 1 to 3, a driving portion 40 for providing a power source for the output shaft 20 is further disposed on the housing 10, and the driving portion 40 is located outside the accommodating cavity.

As an embodiment of the present invention, the driving portion 40 is a motor, and preferably, the driving portion 40 is a dc motor, and the following is provided: the direct current motor has larger torque ratio, and has the advantages of good starting characteristic and speed regulation characteristic, stronger overload capacity and small influence by electromagnetic interference.

An intelligent trash can, as shown in fig. 4 to 7, comprising: the big cover 60 is provided with a closing and packing mechanism 61, the big cover 60 is pivoted on the top of the barrel body 70 through the speed reducing device, the big cover 60 is connected with the output shaft 20 through the connecting block 80, and the big cover 60 rotates along with the rotation of the output shaft 20.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A reduction gear, comprising:

a housing (10) formed with an accommodating cavity;

an output shaft (20) with two opposite ends respectively extending from the accommodating cavity; and

a torsion spring (30) provided on one end of the output shaft (20) and having a first torsion arm (31) and a second torsion arm (32);

the first torsion arm (31) of the torsion spring (30) is clamped on the shell (10), and the second torsion arm (32) is clamped on the output shaft (20).

2. The reduction gear unit according to claim 1, wherein a reduction gear set (50) is disposed in the housing chamber, and the main body of the output shaft (20) is located in the housing chamber and connected to the reduction gear set (50), wherein the reduction gear set (50) is a multi-stage reduction gear set.

3. The reduction gear unit according to claim 2, wherein the housing (10) comprises a main housing (11) in which the housing cavity is formed, and a housing cover (12) which is provided on the main housing (11) so as to enclose the reduction gear unit (50) in the housing cavity, wherein the housing cover (12) is detachably provided at an opening of the housing cavity.

4. The reduction apparatus according to claim 2, wherein the reduction gear set (50) includes a plurality of transmission gears and a gear shaft for supporting the transmission gears, both end portions of the gear shaft being supported on the inner wall of the housing (10), respectively.

5. The reduction gear according to claim 1, wherein a snap groove (21) for snap-fitting the second torque arm (32) is formed in an end surface of one end portion of the output shaft (20), and the snap groove (21) is distributed in a diameter direction of the end surface.

6. Deceleration device according to claim 5, characterised in that the slot (21) has a slot depth which is greater than the arm thickness of the second torsion arm (32) in order to trap the second torsion arm (32) in the slot (21).

7. A reduction gear unit according to claim 1, wherein a rotation stop flat surface is formed on the other end portion of the output shaft (20), the rotation stop flat surface being formed on an outer circumferential wall surface of the end portion.

8. The reduction gear according to claim 1, wherein a drive portion (40) for supplying a power source to the output shaft (20) is further provided to the housing (10), and the drive portion (40) is located outside the accommodation chamber.

9. Deceleration device according to claim 8, characterised in that said drive (40) is an electric motor.

10. An intelligent garbage can, comprising: a large lid (60) with a closing and packing mechanism (61), the large lid (60) is pivoted on the top of the barrel body (70) through a speed reducing device of any one of claims 1 to 9.