CN216685905U

CN216685905U - Driving mechanism and cover body device

Info

Publication number: CN216685905U
Application number: CN202123120985.6U
Authority: CN
Inventors: 张帅帅; 支涛
Original assignee: Beijing Yunji Technology Co Ltd
Current assignee: Beijing Yunji Technology Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-07
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to the technical field of intelligent household appliances, and provides a driving mechanism and a cover body device. The drive mechanism includes: the driving motor is arranged on the supporting component; the transmission assembly comprises a driving wheel, a conveying belt and a driven wheel, the driving wheel and the driven wheel are both arranged on the supporting assembly, the driving wheel is connected with a driving motor, and the driving wheel and the driven wheel are in transmission connection through the conveying belt; the crankshaft handle assembly comprises a connecting portion and a crankshaft handle, and the crankshaft handle is connected with the driven wheel through the connecting portion. The driving mechanism provided by the utility model adopts the driving motor to drive the crankshaft handle in combination with the driving wheel and the conveying belt, has a simple structure and lower manufacturing cost, does not have the problem of jamming or unsmooth opening and closing in the using process, has better stability and has longer service life.

Description

Driving mechanism and cover body device

Technical Field

The utility model relates to the technical field of intelligent household appliances, in particular to a driving mechanism and a cover body device.

Background

The driving mechanism is widely used in various fields as a motion actuator, such as the field of intelligent home appliances. In the prior art, most of intelligent household appliances such as garbage cans and storage boxes adopt driving mechanisms to open or close the covers of the garbage cans and the storage boxes.

In the prior art, a driving mechanism of a cover body of a trash can or a storage box mostly adopts a gear transmission mechanism to realize the opening or closing of the cover body and the adjustment of an opening and closing angle. However, the gear transmission mechanism is easily affected by factors such as gear machining precision, wear degree and assembling precision, and has poor stability, and the cover body is easily unsmooth to open and close and blocked in the long-term use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a driving mechanism and a cover body device, and aims to solve the technical problems that the existing cover body device driven by a gear driving mechanism is easy to be blocked and unsmooth to open and close.

To achieve the above object, in a first aspect, the present invention provides a drive mechanism including:

the driving motor is arranged on the supporting component;

the transmission assembly comprises a driving wheel, a conveying belt and a driven wheel, the driving wheel and the driven wheel are both arranged on the supporting assembly, the driving wheel is connected with a driving motor, and the driving wheel and the driven wheel are in transmission connection through the conveying belt;

the crankshaft handle assembly comprises a connecting portion and a crankshaft handle, and the crankshaft handle is connected with the driven wheel through the connecting portion.

In some embodiments, the crank shaft is in a circular arc configuration and the arc of the crank shaft is between 80 ° and 110 °.

In some embodiments, the connecting portion includes at least two connecting columns, a through hole is formed in the crank shaft, a fixing hole is formed in a position of the driven wheel corresponding to the through hole, and the connecting columns penetrate through the through hole and are contained in the fixing hole.

In some embodiments, the drive assembly further comprises a master drive shaft and a slave drive shaft;

the main transmission shaft is connected with a main shaft of the driving motor;

the driven shaft is rotatably arranged in a bearing seat through a bearing sleeved on the driven shaft, and the bearing seat is fixedly arranged on the supporting component.

In some embodiments, the master drive shaft is disposed parallel to the slave drive shafts.

In some embodiments, both the drive and driven wheels are pulleys;

alternatively, both the drive and driven wheels are sprockets.

In a second aspect, the present invention provides a cover device, including the above-mentioned driving mechanism;

the cover body device further comprises a cover plate, a frame and a limit switch, the cover plate is arranged at the top of the frame and movably hinged to the frame through a driving mechanism, and the limit switch is fixedly installed on the frame and used for being in contact with the end portion of the crankshaft handle.

In some embodiments, the cover assembly includes a drive mechanism, a cover plate movably hinged to either side of the frame by the drive mechanism, and a limit switch fixedly mounted to the side plate.

In some embodiments, the cover device comprises two driving mechanisms, a cover plate and at least one limit switch, the cover plate is movably hinged on any side plate of the frame through the two driving mechanisms, and the limit switch is fixedly arranged on the side plate;

or, the cover device comprises two driving mechanisms, two cover plates and two limit switches, wherein any cover plate is movably hinged on any side edge plate of the frame through any driving mechanism, the other cover plate is movably hinged on the other side edge plate of the frame through the other driving mechanism, any limit switch is fixedly arranged on the edge plate on any side, and the other limit switch is fixedly arranged on the other side edge plate;

in some embodiments, the cover device comprises four driving mechanisms, two cover plates and four limit switches, wherein any one of the cover plates is movably hinged on any side edge plate of the frame through two driving mechanisms, the other cover plate is movably hinged on the other side edge plate of the frame through two driving mechanisms, any two limit switches are fixedly installed on the edge plate on any side, and the other two limit switches are fixedly installed on the other side edge plate.

The driving mechanism provided by the utility model has the beneficial effects that: the driving mechanism provided by the utility model adopts the driving motor to drive the crankshaft handle in combination with the driving wheel and the conveying belt, has a simple structure and lower manufacturing cost, does not have the problem of jamming or unsmooth opening and closing in the using process, has better stability and has longer service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a driving mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of a closing structure of a cover device according to an embodiment of the present invention;

fig. 3 is a schematic view of an expanded structure of the cover device according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

As shown in fig. 1, the disclosed embodiment provides a driving mechanism 10, and the driving mechanism 10 includes a driving motor 11, a support assembly 12, a transmission assembly 13, and a crank assembly 14. The driving motor 11 is fixedly installed on the supporting plate 12 assembly. The transmission assembly 13 comprises a driving wheel 131, a transmission belt 132 and a driven wheel 133, the driving wheel 131 and the driven wheel 133 are both mounted on the support assembly 12, the driving wheel 131 is connected with the driving motor 11, and the driving wheel 131 and the driven wheel 133 are in transmission connection through the transmission belt 132. The crank shaft assembly 14 includes a connecting portion 141 and a crank shaft 142, the crank shaft 142 being connected to the driven wheel 133 by the connecting portion 141.

The specific structure of the support member 12 may be set as required, and may be a plate-like structure or other structures, and may be made of metal material or plastic material, which is not limited herein. In the present embodiment, the supporting plate 12 includes a supporting plate 121 and a supporting frame 122, and the supporting frame 122 is vertically disposed on the surface of the supporting plate 121. The driving motor 11 is a servo motor or a stepping motor, and is disposed on two sides of the supporting frame 122 separately from the transmission assembly 13, the body of the driving motor 11 is detachably connected to the supporting frame 122 through a bolt or a screw, and the main shaft of the driving motor 11 passes through the supporting frame 122 to be connected with the driving wheel 131, so as to drive the driving wheel 131 to rotate. The driving wheel 131, the transmission belt 132 and the driven wheel 133 are disposed at one side of the supporting frame 122 along a direction perpendicular to the supporting plate 121, and the driving wheel 131 drives the driven wheel 133 to rotate through the transmission belt 132, so as to drive the crank shaft 142 connected with the driven wheel to rotate.

The driving mechanism provided by the embodiment of the disclosure has a very wide application, for example, can be applied to a cover body device to open and close the cover body, and adopts a driving motor to drive the crank shaft 142 in combination with the driving wheel 131 and the conveyor belt 132. In addition, adopt above-mentioned technical scheme can effectual buffering load impact, operate steadily, noise and vibrations are less, have certain overload protection function.

In some embodiments, the crank shaft 142 has a circular arc shape, and the arc of the crank shaft 142 is between 80 ° and 110 °, such as 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, and the like. The crank shaft 142 is made of a metal material (for example, the metal material may be an aluminum alloy or a cast aluminum material) or a plastic material (for example, ABS plastic or other plastic materials), which is not limited herein.

Further, the specific structure of the connection part 141 may be set as needed. For example, the connecting portion 141 includes at least two connecting columns, a through hole is formed in the crank shaft 142, a fixing hole is formed in a position of the driven wheel 133 corresponding to the through hole, and the connecting columns penetrate through the through hole and are accommodated in the fixing hole, so that the crank shaft 142 and the driven wheel 133 are relatively fixed. It should be understood that the number of through holes is the same as the number of connecting posts to ensure that each connecting post is received in one through hole. Optionally, the number of the connecting posts is three, and the three connecting posts are arranged in a triangle to ensure that the connection is firmer and the driven wheel 133 drives the crank shaft 142 to rotate more smoothly. Of course, the number of the connecting columns may also be 3, 4 or more, which is not limited herein.

The specific types of the driving wheel 131 and the driven wheel 133 can be set as required, for example, the driving wheel 131 and the driven wheel 133 can be both belt pulleys, in which case the transmission belt 132 is a belt, and the driving wheel 131 drives the driven wheel 133 to rotate through belt transmission. For another example, the driving wheel 131 and the driven wheel 133 may be both sprockets, in which case the transmission belt 132 is a chain, the number of the chains may be 1 or more, and the driving wheel 131 drives the driven wheel 133 to rotate through chain transmission. At this time, the driving wheel 131 is directly sleeved on the main transmission shaft 134, the driven wheel 133 is directly sleeved on the driven transmission shaft 135, a plurality of circumferential grooves are respectively arranged on the circumferential outer walls of the driving wheel 131 and the driven wheel 133, and the number of the circumferential grooves on the driving wheel 131 is equal to that of the circumferential grooves on the driven wheel 133. The plurality of conveyor belts 3012 can be simultaneously clamped in the circumferential grooves of the driving wheel 131 and the driven wheel 133, so that the driving wheel 131 and the driven wheel 133 are in transmission connection.

Further, the transmission assembly 13 further includes a main transmission shaft 134 and a driven transmission shaft 135, and the main transmission shaft 134 is disposed in parallel with the driven transmission shaft 135. The main transmission shaft 134 is connected to a main shaft of the driving motor 11, the secondary transmission shaft 135 is rotatably mounted in a bearing seat 136 through a bearing sleeved thereon, and the bearing seat 136 is fixedly mounted on the support plate 121 of the support assembly 12. Optionally, the bearing seat 136 and the driven wheel 133 are disposed on opposite sides of the support frame 122, and the bearing is sleeved on an end of the driven shaft 135.

It is also an object of the disclosed embodiment to provide a cover device, fig. 2 shows a schematic structure of the cover device when closed, and fig. 3 shows a schematic structure of the cover device when unfolded. The cover device includes the driving mechanism 10, a cover plate 20, a frame 30 and a limit switch. The shape of the cover plate 20 can be set according to the requirement, for example, it can be a circular structure or a rectangular structure, and the frame 30 can be a circular structure or a rectangular structure, to ensure the cover plate 20 and the frame 30 are matched. The cover plate 20 is disposed on the top of the frame 30 and movably hinged to the frame 30 by the driving mechanism 10, and the limit switch is fixedly mounted on the frame 30 and is used for contacting with the end of the crank shaft 142 to perform a limiting function.

The cover device provided by the embodiment of the present disclosure controls the cover plate 20 to be fastened on the top of the frame 30 in an openable manner through the action of the driving mechanism 10, so as to close the frame 30. The limit switch may be a mechanical switch, an infrared sensing switch, or other sensor with a switch function, and is not limited herein. The limit switch is electrically connected with the driving motor 11 in the driving mechanism 10 through a circuit, and the opening and closing of the cover plate 20 and the control of the opening and closing angle can be realized through the actions of the limit switch and the driving motor 11.

Specifically, driving motor 11 electric connection has the controller, and the controller has limit switch through circuit electric connection, and the controller control opening and close of driving motor 11 realizes the control of the rotation angle of apron 20. The controller controls the driving motor 11 to drive the crank shaft 142 fixedly connected with the cover plate 20 to turn over and then contact with the limit switch on the mounting frame 30 or the limit switch on the support plate 10, so as to control the driving motor 11 to stop rotating. When the controller controls the driving motor 11 to rotate reversely, the cover plate 20 can be closed.

The cover device provided by the embodiment of the present disclosure adopts the above-mentioned driving mechanism 10, and the driving mechanism 10 adopts the driving motor to combine with the driving wheel 131 and the conveyor belt 132 to drive the crank shaft 142, so that the whole technical scheme has a simple structure and a lower manufacturing cost, has better stability compared with the driving gear transmission mechanism, does not have the problem of being stuck or unsmooth in opening and closing during the use, and has a longer service life. In addition, adopt above-mentioned technical scheme can effectual buffering load impact, operate steadily, noise and vibrations are less, have certain overload protection function.

Several specific embodiments of the cover means are given below. It should be understood that the following embodiments are merely illustrative of the structure of the cover device and are not intended to limit the cover device.

Example one

The cover device comprises a driving mechanism 10, a cover plate 20, a frame 30 and a limit switch. The cover plate 20 is movably hinged to either side plate of the frame 30 by the driving mechanism 10. The frame 30 has four side plates, and the four side plates are sequentially fixedly connected end to form a quadrilateral frame structure. Either side of the cover plate 20 is fixedly connected to the end of the crank shaft 142 in the drive mechanism 10. When the crank shaft 142 is turned over by the driving of the driving motor 11, the cover plate 20 is driven to be turned over. The driving mechanism 1 is fixedly installed at the bottom position of the frame 30, specifically, at the bottom of the sideboard and at the middle position of the sideboard. The limit switch is fixedly installed on the side plate or the supporting plate 12, and the limit switch can be a mechanical switch, an infrared induction switch or a sensor with a switch function, and is used for inducing the cover plate 20 or the crank shaft 142 to open and close the driving motor 11.

Example two

The cover device comprises two driving mechanisms 10, a cover plate 20, a frame 30 and at least one limit switch. The cover plate 20 is movably hinged to either side of the frame 30 by two drive mechanisms 10. Specifically, either side of the cover plate 20 is fixedly connected to the ends of the crankshafts 142 of the two driving mechanisms 10, one driving mechanism 10 is fixedly mounted at the bottom of one end of the side plate of the frame 30, the other driving mechanism 10 is fixedly mounted at the bottom of the other end of the side plate of the frame 30, and the two driving mechanisms 10 move synchronously. The cover plate 20 is turned over by the two driving mechanisms 10, so that the opening and closing stability of the cover plate 20 is improved. The limit switch is fixedly installed on the side plate or on the supporting plate 12 of any driving mechanism 10, and is used for sensing the opening and closing of the cover plate 20 or the crank shaft 142 to the driving motor 11.

EXAMPLE III

The cover device comprises two driving mechanisms 10, two cover plates 20, a frame 30 and two limit switches, wherein any cover plate 20 is movably hinged on any side plate of the frame 30 through any driving mechanism 10, and the other cover plate 20 is movably hinged on the other side plate of the frame 30 through the other driving mechanism 10. The two cover plates 20 are symmetrically disposed on the top of the frame 30. The two cover plates 20 are respectively turned over by different driving mechanisms 10, so as to further seal the opening of the frame 30. The two cover plates 20 are moved synchronously by the drive mechanism 10. Specifically, any one of the driving mechanisms 10 is fixedly installed at the middle position of any one of the side plates, and the other driving mechanism 10 is fixedly installed at the middle position of the other side plate. By dividing the cover plate 20 into two parts and driving by different drive mechanisms 10, the load-bearing capacity of the drive mechanism 10 can be effectively increased. The two cover plates 20 may be made of a metal material having a relatively high mass. Any limit switch is fixedly arranged on the side plate on any side, and the other limit switch is fixedly arranged on the side plate on the other side. Alternatively, any limit switch is fixedly mounted on the support plate 12 of any driving mechanism 10, and the other limit switch is fixedly mounted on the support plate 12 of the other driving mechanism 10. The limit switch may be a mechanical switch, an infrared sensing switch, or a sensor with a switch function, which is not limited herein.

Example four

The cover device comprises four driving mechanisms 10, two cover plates 20 and four limit switches, wherein any cover plate 20 is movably hinged on any side plate of the frame 30 through the two driving mechanisms 10. Specifically, two driving mechanisms 10 are respectively and fixedly installed at both end portions of any side plate. The other cover plate 20 is simultaneously hinged to the other side plate of the frame 30 by the remaining two drive mechanisms 10. Specifically, two driving mechanisms 10 are respectively disposed at both end portions of the other side plate. The four limit switches are grouped in pairs, any one group of limit switches is fixedly installed on any side edge plate of the frame 30 and is respectively positioned at two ends of the edge plate, and the other group of limit switches is fixedly installed on the other side edge plate of the frame 30 and is respectively positioned at two ends of the edge plate. The four driving mechanisms 10 move synchronously to drive the two cover plates 20 to open and close synchronously.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A drive mechanism, characterized in that the drive mechanism comprises:

the driving motor is arranged on the supporting component;

the transmission assembly comprises a driving wheel, a conveying belt and a driven wheel, the driving wheel and the driven wheel are both arranged on the supporting assembly, the driving wheel is connected with the driving motor, and the driving wheel and the driven wheel are in transmission connection through the conveying belt;

2. The drive mechanism as recited in claim 1, wherein the crank shaft is arcuate and has an arc of between 80 ° and 110 °.

3. The driving mechanism as claimed in claim 1, wherein the connecting portion includes at least two connecting posts, a through hole is formed in the crank shaft, a fixing hole is formed in a position of the driven wheel corresponding to the through hole, and the connecting posts penetrate through the through hole and are received in the fixing holes.

4. The drive mechanism as recited in claim 1, wherein the drive assembly further comprises a primary drive shaft and a secondary drive shaft;

the driven transmission shaft is rotatably arranged in a bearing seat through a bearing sleeved on the driven transmission shaft, and the bearing seat is fixedly arranged on the supporting component.

5. The drive mechanism as recited in claim 4, wherein the primary drive shaft is disposed parallel to the secondary drive shaft.

6. The drive mechanism as recited in claim 1, wherein the drive wheel and the driven wheel are both pulleys;

or, the driving wheel and the driven wheel are both chain wheels.

7. A cover device characterized by comprising the drive mechanism of any one of claims 1-6;

the cover body device further comprises a cover plate, a frame and a limit switch, the cover plate is arranged at the top of the frame and movably hinged to the frame through the driving mechanism, and the limit switch is fixedly installed on the frame and used for being in contact with the end portion of the crankshaft handle.

8. The covering device as claimed in claim 7, wherein the covering device includes an actuating mechanism, a cover plate movably hinged to either side of the frame by the actuating mechanism, and a limit switch fixedly mounted to the side plate.

9. The covering device as claimed in claim 7, wherein the covering device comprises two driving mechanisms, a cover plate and at least one limit switch, the cover plate is movably hinged on any side plate of the frame through the two driving mechanisms, and the limit switch is fixedly installed on the side plate;

or, the lid device includes two actuating mechanism, two apron and two limit switch, arbitrary the apron is through arbitrary actuating mechanism movably articulates on arbitrary side board of frame, another the apron is through another actuating mechanism movably articulates on the other side board of frame, arbitrary limit switch fixed mounting is on the sideboard of arbitrary side, another limit switch fixed mounting is on the sideboard of other side.

10. The covering device as claimed in claim 7, wherein the covering device comprises four driving mechanisms, two cover plates and four limit switches, wherein any one of the cover plates is movably hinged to any side plate of the frame through two driving mechanisms, the other cover plate is movably hinged to the other side plate of the frame through two driving mechanisms, any two limit switches are fixedly mounted on the side plate of any side, and the other two limit switches are fixedly mounted on the other side plate.