CN111472139A - Transmission structure and washing machine - Google Patents
Transmission structure and washing machine Download PDFInfo
- Publication number
- CN111472139A CN111472139A CN202010258187.0A CN202010258187A CN111472139A CN 111472139 A CN111472139 A CN 111472139A CN 202010258187 A CN202010258187 A CN 202010258187A CN 111472139 A CN111472139 A CN 111472139A
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- transmission structure
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 81
- 238000005406 washing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
Abstract
The invention provides a transmission structure and a washing machine, and belongs to the field of washing machines. The invention aims to solve the problem that the structure of the existing washing machine is complicated because a tension wheel is adopted to tension a transmission belt. The transmission structure of the invention comprises a base body, a transmission shaft and a transmission shaft, wherein the base body is provided with a guide part; a driving assembly including a driving part for driving the pulley to rotate; and the connecting piece comprises a connecting part and an assembling part, the connecting part is fixedly connected with the driving part, and the assembling part is movably arranged on the guide part and allows the belt wheel to change position in a plane vertical to the axis of the belt wheel so as to tension the transmission belt. The transmission structure and the washing machine have the advantages of small number of parts, simple structure and small occupied space.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a transmission structure and a washing machine.
Background
A washing machine is a cleaning appliance that washes laundry using mechanical action generated by electric energy. The washing machine generally comprises a shell, and a motor, a driving wheel, a driven wheel, a belt, an inner drum shaft and an inner drum which are all arranged in the shell, wherein the motor is fixedly arranged on the shell, a motor shaft of the motor is provided with the driving wheel, one end of the inner drum shaft is provided with the inner drum, the other end of the inner drum shaft is provided with the driven wheel, the belt is tensioned on the driving wheel and the driven wheel, and the motor drives the inner drum to rotate through a belt transmission formed by the driving wheel, the driven wheel and the belt.
After the washing machine is used for a period of time, the belts arranged on the driving wheel and the driven wheel become loose, and the belts need to be tensioned. In order to tension the belt, the washing machine is also provided with a tension pulley, the belt is abutted against the tension pulley, and the tension pulley is movably arranged on a shell of the washing machine. When the belt needs to be tensioned, the position of the tensioning wheel relative to the shell is adjusted, and the belt can be tensioned on the driving wheel and the driven wheel.
However, since a tensioning wheel is additionally arranged to tension the belt, the number of parts is increased, the structure is complicated, and the occupied space is large.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem of complicated structure caused by tensioning the transmission belt by using a tensioning wheel in the existing washing machine, the present invention provides a transmission structure and a washing machine, which is used for tensioning the transmission belt in a belt transmission device, and comprises: a base body having a guide portion; a driving assembly including a driving part for driving the pulley to rotate; and the connecting piece comprises a connecting part and an assembling part, the connecting part is fixedly connected with the driving part, and the assembling part is movably arranged on the guide part and allows the belt wheel to change position in a plane vertical to the axis of the belt wheel so as to tension the transmission belt.
In a preferred embodiment of the above transmission structure, the guide portion includes a sliding guide portion and a rotating guide portion; the connecting piece includes first connecting piece and second connecting piece, and assembly portion and the sliding guide portion sliding connection on the first connecting piece, assembly portion and the rotation guide portion on the second connecting piece rotate to make the band pulley use the rotation junction to rotate as the center.
In the preferred technical scheme of the transmission structure, the sliding guide part is an arc-shaped hole or an arc-shaped groove, and the hole depth direction of the arc-shaped hole or the groove depth direction of the arc-shaped groove is parallel to the axis of the belt wheel; the first connecting piece is a first connecting column, part of column sections of the first connecting column form an assembly part on the first connecting column, and the first connecting column is inserted in the arc-shaped hole or the arc-shaped groove; the rotary guide part is a round hole, and the depth direction of the round hole is parallel to the axis of the belt wheel; the second connecting piece is a second connecting column, part of column sections of the second connecting column form an assembling part on the second connecting column, and the second connecting column is inserted into the round hole.
In the preferred technical scheme of the transmission structure, the base body comprises a first side plate and a second side plate which are arranged oppositely, arc-shaped holes or arc-shaped grooves and round holes are formed in the first side plate and the second side plate respectively, the arc-shaped holes or the arc-shaped grooves in the first side plate are arranged oppositely to the arc-shaped holes or the arc-shaped grooves in the second side plate, and the round holes in the first side plate are arranged oppositely to the round holes in the second side plate; the two ends of the first connecting column are respectively inserted into the arc-shaped holes or the arc-shaped grooves on the first side plate and the second side plate, and the two ends of the second connecting column are respectively inserted into the round holes on the first side plate and the second side plate.
In a preferred embodiment of the above transmission structure, the driving unit includes: the driving motor and the motor base are arranged between the first side plate and the second side plate, the driving motor comprises a body and an output shaft extending out of the body, and the output shaft and the axis of the belt wheel are coaxially arranged; the motor cabinet includes: the driving device comprises a first bracket, a second bracket and bearing parts positioned on the first bracket and the second bracket, wherein a driving motor is borne on the bearing parts; the connecting portions of the first connecting piece and the second connecting piece are located between the first side plate and the second side plate, the first support is fixedly connected with the connecting portion of the first connecting piece, and the second support is fixedly connected with the connecting portion of the second connecting piece.
In the preferred technical scheme of above-mentioned transmission structure, still include the adjustment subassembly, including the mounting and the adjusting part that link to each other, the mounting is connected with first spliced pole, and the adjusting part is movably installed on the base member to can remove in order to drive the relative slip guide part of assembly portion on the first spliced pole relatively to the base member and slide.
In the preferred technical scheme of the transmission structure, the fixing piece comprises a first plate body, a connecting hole is formed in the first plate body, and the hole depth direction of the connecting hole and the axis of the belt wheel form an included angle; the adjusting piece is a screw column body which is inserted into the connecting hole, and a fixing nut is arranged on the screw column body and used for connecting the fixing piece with the adjusting piece.
In the preferred technical scheme of the transmission structure, the fixing piece further comprises a second plate body connected with the first plate body, the second plate body is perpendicular to the first plate body, a fixing hole is formed in the second plate body, and the hole depth direction of the fixing hole is parallel to the axis of the belt wheel; the first connecting post cartridge is provided with the external screw thread in the fixed orifices on the first connecting post, and threaded connection has fastening nut on the first connecting post to be connected first connecting post and mounting.
In the preferred technical scheme of the transmission structure, the side plate is convexly provided with an edge plate, the edge plate is provided with an adjusting hole, and an included angle is formed between the hole depth direction of the adjusting hole and the axis of the belt wheel; the screw cylinder body is inserted in the allocation hole, an adjusting nut which is abutted against the edge plate is arranged on the screw cylinder body, and the adjusting nut is used for adjusting the screw cylinder body to move in the allocation hole.
The embodiment of the invention also provides a washing machine, which comprises a driving wheel, a driven wheel, a transmission belt, an inner cylinder shaft and any one of the transmission structures, wherein the driving wheel is arranged on the driving part, the driven wheel is arranged on the inner cylinder shaft, the transmission belt is arranged on the driving wheel and the driven wheel, the driving wheel forms a belt wheel on a driving assembly, the driving wheel and the driven wheel are positioned in the same plane, and the axis of the driving wheel is parallel to the axis of the driven wheel.
The technical scheme includes that the driving part of the driving assembly is used for driving a belt wheel in the belt transmission device, a transmission belt in the belt transmission device can be installed on the belt wheel, the driving part is connected with the connecting part of the connecting piece, the assembling part of the connecting piece can be movably arranged on the guide part, when the assembling part moves relative to the guide part, the assembling part can drive the belt wheel to change position in a plane vertical to the axis of the belt wheel so as to tension the transmission belt installed on the belt wheel.
Drawings
Preferred embodiments of a transmission structure and a washing machine of the present invention are described below with reference to the accompanying drawings. The attached drawings are as follows:
FIG. 1 is a first schematic structural view of a transmission structure according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of a transmission structure according to an embodiment of the present invention;
FIG. 3 is a third schematic diagram of a transmission structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a washing machine according to an embodiment of the present invention.
Description of reference numerals:
10: a drive assembly;
11: a drive section;
12: a pulley;
13: a drive motor;
14: a motor base;
15: a first bracket;
16: a second bracket;
17: a bearing part;
20: a substrate;
21: an arc-shaped hole;
22: a circular hole;
23: a first side plate;
24: a second side plate;
25: a connecting plate;
26: an edge plate;
27: a dispensing hole;
30: a connecting member;
31: a first connecting column:
32: a second connecting column;
33: fastening a nut;
40: an adjustment assembly;
41: a fixing member;
42: an adjustment member;
43: a first plate body;
44: connecting holes;
45: a second plate body;
46: a fixing hole;
47: adjusting the nut;
50: a driven wheel;
51: a transmission belt;
52: an inner cylindrical shaft;
53: an inner cylinder.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.
Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that a device or a member must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, attached, detached, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the problems of large quantity of parts, complicated structure and large occupied space caused by tensioning a transmission belt by a tensioning wheel in the washing machine in the prior art, the invention provides a transmission structure.
The transmission structure of this embodiment, it is arranged in the drive belt of tensioning belt drive, avoids not hard up because of the drive belt, the transmission that causes is lost efficacy. The transmission device can be used for clothes washing and protecting equipment such as a washing machine, a clothes dryer, a dry cleaning integrated machine, a washing and drying integrated machine and the like, and equipment such as an air purifying device and the like.
As shown in fig. 1 and 2, the transmission structure of the present embodiment includes a driving assembly 10, the driving assembly 10 includes a driving portion 11 for driving a pulley 12 to rotate, and the pulley 12 driven by the driving portion 11 is a driving pulley in the belt transmission device. When the driving assembly 10 moves integrally, the driving portion 11 of the driving assembly 10 drives the driving wheel to move, so that the position of the driving wheel can be changed by changing the position of the driving assembly 10, and the transmission belt is tensioned. It is worth to be noted that, when the position of the driving wheel is adjusted, the position of the driven wheel matched with the driving wheel can be unchanged, and the driven wheel can also move in the direction opposite to the moving direction of the driving wheel. For convenience of explanation, the transmission structure of the present embodiment will be specifically explained based on the fact that the position of the driven wheel is not changed.
As shown in fig. 2, the transmission structure of the present embodiment further includes a base 20 and a connecting member 30, the base 20 has a guiding portion, the connecting member 30 includes a connecting portion and an assembling portion, the connecting portion is fixedly connected to the driving portion 11, the assembling portion is movably disposed on the guiding portion, and the assembling portion moves relative to the guiding portion, so as to drive the driving portion 11 to drive the pulley 12 to change its position in a plane perpendicular to the axis of the pulley, so as to tension the transmission belt.
In the transmission structure of this embodiment, the movement of the assembly portion relative to the guide portion may be, for example, the assembly portion moves relative to the guide portion, or the assembly portion rotates relative to the guide portion, and no matter the assembly portion moves relative to the guide portion, or the assembly portion rotates relative to the guide portion, as long as the belt pulley 12 can be driven to change position in a plane perpendicular to the axis of the belt pulley, the tensioning transmission belt can be achieved.
In a possible embodiment, the assembly portion moves relative to the guide portion, wherein the guide portion comprises two linear guide portions, the connecting member 30 comprises two assembly portions which move synchronously, each assembly portion is in sliding fit with a corresponding one of the guide portions, when the two assembly portions move synchronously relative to the linear guide portions, the driving assembly 10 moves linearly relative to the base body 20 as a whole, the driving portion 11 of the driving assembly 10 drives the pulley 12 to move linearly relative to the base body 20, and when the distance between the driving portion 11 and the driving pulley 12 increases, the transmission belt can be tensioned.
In the transmission structure of this embodiment, the fitting portion may also rotate relative to the guide portion, wherein the guide portion includes a sliding guide portion and a rotating guide portion, the connecting member 30 includes a first connecting member and a second connecting member, the fitting portion on the first connecting member is slidably connected to the sliding guide portion, and the fitting portion on the second connecting member is rotatably connected to the rotating guide portion, so that the pulley 12 rotates about the rotating connection. The drive part 11 drives the pulley 12 to rotate around the rotation joint, and when the distance between the driving pulley 12 and another pulley increases, the transmission belt can be tensioned.
In the transmission structure of the embodiment, the assembly portion of the connecting member 30 moves relative to the guide portion of the base member 20, so that the driving portion 11 of the driving assembly 10 connected to the connecting portion of the connecting member 30 moves, and the driving portion 11 moves, so that the pulley 12 driven by the driving portion 11 moves, when the pulley 12 changes its position in a plane perpendicular to the axis of the pulley and the distance between the pulley and another pulley increases, the transmission belt mounted on the pulley 12 can be tensioned, and compared with the transmission belt tensioned by using a tensioning pulley, the tensioning pulley is reduced, the number of parts is reduced, the structure is simple, and the occupied space is reduced.
As shown in fig. 2, in the transmission structure of the present embodiment, the sliding guide portion and the first connecting member may be slidably connected, for example, the sliding guide portion is an arc-shaped hole 21, the arc-shaped hole 21 is an arc-shaped hole, and the hole depth direction of the arc-shaped hole 21 is parallel to the axis of the pulley 12. The first connecting element is, for example, a first connecting post 31, a partial post section of the first connecting post 31 forms a mounting on the first connecting post 31, the first connecting post 31 is inserted into the arc-shaped hole 21, and thus, a sliding connection of the sliding guide and the first connecting element 30 is realized. Of course, the sliding guide portion may also be an arc-shaped groove, for example, an arc-shaped groove, the depth direction of the arc-shaped groove is parallel to the axis of the belt pulley, and the first connecting column 31 is inserted into the arc-shaped groove.
As shown in fig. 2, in the transmission structure of this embodiment, the rotation guide portion and the second connection member are rotatably connected, for example, the rotation guide portion is a circular hole 22, the hole depth direction of the circular hole 22 is parallel to the axis of the pulley, the circle center of the circular hole 22 is, for example, the circle center of the circle where the circular arc hole or the circular arc groove is located, the second connection member is a second connection column 32, a part of column segments of the second connection column 32 form an assembly portion on the second connection column 32, and the second connection column 32 is inserted into the circular hole 22, so that the rotation connection between the rotation guide portion and the second connection member is realized.
The transmission structure of this embodiment, connecting portion on the first spliced pole 31 and the connecting portion on the second spliced pole 32 are connected with drive division 11 jointly, and first spliced pole 31 slides in arc wall or arc hole 21, second spliced pole 32 rotates in round hole 22, drive division 11 can be around second spliced pole 32 rotation, so, drive division 11 can drive band pulley 12 and rotate around second spliced pole 32, when the distance between 11 driven band pulley 12 of drive division and another band pulley increases, can the tensioning drive belt.
As shown in fig. 2 and fig. 3, in the transmission structure of the present embodiment, the base 20 includes a first side plate 23 and a second side plate 24 which are oppositely disposed, the first side plate 23 and the second side plate 24 are connected by a connecting plate 25, and the first side plate 23, the second side plate 24 and the connecting plate 25 may be an integral structure, so as to improve the structural strength and improve the preparation efficiency. The first side plate 23 and the second side plate 24 are both provided with arc-shaped holes 21 and round holes 22, the arc-shaped holes 21 on the first side plate 23 are opposite to the arc-shaped holes 21 on the second side plate 24, and the round holes 22 on the first side plate 23 are opposite to the round holes 22 on the second side plate 24; two ends of the first connecting column 31 are respectively inserted into the arc-shaped holes 21 on the first side plate 23 and the second side plate 24, and two ends of the second connecting column 32 are respectively inserted into the round holes 22 on the first side plate 23 and the second side plate 24. The connecting portions of the first connecting piece and the second connecting piece are located between the first side plate 23 and the second side plate 24, that is, the connecting portion of the first connecting piece is a partial column section on the first connecting column 31 between the first side plate 23 and the second side plate 24, and the connecting portion of the second connecting piece is a partial column section on the second connecting column 32 between the first side plate 23 and the second side plate 24. It is worth to say that the arc hole 21 on the first side plate 23 may be an arc groove, and the notch of the arc groove faces the second side plate 24, and the arc hole 21 on the second side plate 24 may also be an arc groove, and the notch of the arc groove faces the first side plate 23.
As shown in fig. 1, the first side plate 23 and the second side plate 24 are provided with arc-shaped holes 21, the first connecting column 31 inserted into the arc-shaped holes 21 of the first side plate 23 and the second side plate 24 may be, for example, a bolt, the head of the bolt abuts against the second side plate 24, and the fastening nut 33 screwed on the bolt abuts against the first side plate 23, so that the first connecting column 31 can be fixed in the arc-shaped holes 21 of the first side plate 23 and the second side plate 24. Similarly, the second connecting column 32 may also be a bolt, the head of the bolt abuts against the second side plate 24, and the fastening nut 33 screwed onto the bolt abuts against the first side plate 23, so that the second connecting column 32 can be fixed in the circular holes 22 on the first side plate 23 and the second side plate 24. It is worth to say that, when the first side plate 23 and the second side plate 24 are provided with the arc-shaped grooves, the first connecting columns 31 inserted into the arc-shaped grooves of the first side plate 23 and the second side plate 24 may be provided with pin holes, the pin shafts inserted into the pin holes are simultaneously inserted into the fastening holes of the first side plate 23 and the second side plate 24, and the hole depth direction of the fastening holes is perpendicular to the extending direction of the first connecting columns 31, so that the first connecting columns 31 may be fixed into the arc-shaped grooves of the first side plate 23 and the second side plate 24.
In the transmission structure of this embodiment, through all setting up arc hole 21 or arc groove on first curb plate 23 and second curb plate 24 to and round hole 22, can be so that first spliced pole 31 and base member 20, the reliable cooperation of second spliced pole 32 and base member 20, and then make with the first spliced pole 31 with the reliable rotation of the driving portion 11 driven band pulley 12 that the second spliced pole 32 is connected jointly, belt drive's operation is reliable steady.
In the transmission structure of the present embodiment, reliable and smooth operation of the belt transmission device is also dependent on the connection portions of the first connecting column 31 and the second connecting column 32 being reliably fixed to the driving portion 11 of the driving assembly 10.
As shown in fig. 3, in the transmission structure of the present embodiment, the driving part 11 includes: and the driving motor 13 and the motor base 14 are arranged between the first side plate 23 and the second side plate 24, the driving motor 13 comprises a body and an output shaft extending out of the body, and the output shaft is coaxially arranged with the axis of the belt wheel 12, namely, the output shaft is coaxially connected with the central rotating shaft of the belt wheel 12. The motor mount 14 includes: the driving motor 13 is carried on the bearing part 17, the bearing part 17 is a plate, the body of the driving motor abuts against the plate forming the bearing part 17, the first support 15 and the second support 16 are ear plates arranged on the plate, through holes are formed in the ear plates forming the first support 15 and the second support 16, a first connecting piece is inserted into the through hole in the ear plate forming the first support 15, so that the first support 15 is fixedly connected with the connecting part of the first connecting piece, and a second connecting piece is inserted into the through hole in the ear plate forming the second support 16, so that the second support 16 is fixedly connected with the connecting part of the second connecting piece 30.
As shown in fig. 1, the transmission structure of the present embodiment further includes an adjustment assembly 40, the adjustment assembly 40 includes a fixing member 41 and an adjustment member 42 connected to each other, the fixing member 41 is connected to the first connecting column 31, and the adjustment member 42 is movably mounted on the base 20 and can move relative to the base 20 to drive the assembling portion on the first connecting column 31 to slide relative to the sliding guide portion. The adjusting member 42 moves relative to the base 20, and then the fixing member 41 moves relative to the base 20, and the fixing member 41 moves to move the first connecting post 31 connected to the fixing member 41 relative to the base 20, that is, the assembling portion of the first connecting post 31 slides in the sliding guide portion. The tensioning of the drive belt can be facilitated by the fitting portion of the first connecting post 31 sliding in the slide guide portion by the adjuster 42.
As shown in fig. 1, the fixing member 41 and the adjusting member 42 may be connected, specifically, the fixing member 41 includes a first plate 43, a connecting hole 44 is formed in the first plate 43, a depth direction of the connecting hole 44 may be perpendicular to an axis of the pulley 12, for example, the adjusting member 42 is a screw body, specifically, a bolt, the bolt is inserted into the connecting hole 44, a head of the bolt abuts against one side of the first plate 43, and a fixing nut screwed on the bolt abuts against the other side of the first plate 43, so that the fixing member 41 and the adjusting member 42 are connected.
As shown in fig. 1, the fixing member 41 further includes a second plate 45 connected to the first plate 43, the second plate 45 is perpendicular to the first plate 43, the first plate 43 and the second plate 45 may be, for example, an integral piece, the first plate 43 and the second plate 45 are formed by bending the same plate, a fixing hole 46 is formed in the second plate 45, and a depth direction of the fixing hole 46 is parallel to an axis of the pulley 12. The first connecting post 31 is inserted into the fixing hole 46, an external thread is provided on the first connecting post 31, and a fastening nut 33 is screwed on the first connecting post 31 to connect the first connecting post 31 with the fixing member 41. It should be noted that the fastening nut 33 is the aforementioned fastening nut 33 for securely fixing the first connecting column 31 in the arc-shaped holes 21 of the first side plate 23 and the second side plate 24, so that a simplified structure can be achieved.
As shown in fig. 1 and fig. 3, in the transmission structure of the present embodiment, the adjusting member 42 is movably mounted on the base 20, specifically, the side plate is convexly provided with the edge plate 26, the edge plate 26 is provided with the adjusting hole 27, and the hole depth direction of the adjusting hole 27 forms an included angle with the axis of the pulley 12; the screw column body is inserted in the adjusting hole 27, an adjusting nut 47 abutting against the edge plate 26 is arranged on the screw column body, and the adjusting nut 47 is used for adjusting the screw column body to move in the adjusting hole 27. When the adjusting nut 47 rotates relative to the screw body, the screw body can move relative to the adjusting hole 27, the screw body moves, that is, the fixing member 41 connected with the screw body moves, and the fixing member 41 moves, that is, the first connecting post 31 sleeved in the connecting hole 44 of the fixing member 41 can be driven to move in the arc-shaped hole 21 or the arc-shaped groove.
The specific operation process of the tension transmission belt of the transmission structure of the embodiment is as follows: the fastening nuts 33 on the first and second connection posts 31, 32 are first loosened, then the adjustment nut 47 is screwed until the first connection post 31 reaches the target position in the arc-shaped hole 21 and the arc-shaped groove, and finally the fastening nuts 33 on the first and second connection posts 31, 32 are tightened. The transmission structure of this embodiment compares and adopts take-up pulley tensioning drive belt, and tensioning process is simple and convenient.
As shown in fig. 4, the present embodiment further provides a washing machine, which includes a driving wheel, a driven wheel 50, a transmission belt 51, an inner drum shaft 52, and the transmission structure of the above embodiment, wherein the driving wheel is installed on the driving portion 11, the driven wheel 50 is installed on the inner drum shaft 52, the inner drum 53 of the washing machine is further disposed on the inner drum shaft 52, the transmission belt 51 is installed on the driving wheel and the driven wheel 50, the driving wheel forms a pulley 12 on the driving assembly 10, the driving wheel and the driven wheel 50 are located in the same plane, and the axis of the driving wheel and the axis of the driven wheel 50 are arranged in.
The washing machine of this embodiment has adopted above-mentioned transmission structure, not only can realize the tensioning drive belt, and the tensioning process is simple and convenient moreover.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A drive arrangement for tensioning a drive belt in a belt drive, comprising:
a base body having a guide portion;
a driving assembly including a driving part for driving the pulley to rotate;
the connecting piece, including connecting portion and assembly portion, connecting portion with drive division fixed connection, assembly portion movably arranges in the guide part, and allow the band pulley changes the position in the plane of perpendicular to band pulley axis, with the tensioning the drive belt.
2. The transmission structure according to claim 1, wherein the guide portion includes a slide guide portion and a rotation guide portion;
the connecting piece comprises a first connecting piece and a second connecting piece, an assembling portion on the first connecting piece is connected with the sliding guide portion in a sliding mode, and an assembling portion on the second connecting piece is connected with the rotating guide portion in a rotating mode, so that the belt wheel rotates by taking the rotating connection portion as a center.
3. The transmission structure according to claim 2, wherein the sliding guide portion is an arc-shaped hole or an arc-shaped groove, and the hole depth direction of the arc-shaped hole or the groove depth direction of the arc-shaped groove is parallel to the axis of the pulley; the first connecting piece is a first connecting column, part of column sections of the first connecting column form an assembling part on the first connecting column, and the first connecting column is inserted in the arc-shaped hole or the arc-shaped groove;
the rotary guide part is a round hole, and the depth direction of the round hole is parallel to the axis of the belt wheel; the second connecting piece is a second connecting column, part of column sections of the second connecting column form an assembling part on the second connecting column, and the second connecting column is inserted into the round hole.
4. The transmission structure according to claim 3, wherein the base includes a first side plate and a second side plate which are opposite to each other, the first side plate and the second side plate are both provided with the arc-shaped hole or the arc-shaped groove, and a circular hole, the arc-shaped hole or the arc-shaped groove on the first side plate is opposite to the arc-shaped hole or the arc-shaped groove on the second side plate, and the circular hole on the first side plate is opposite to the circular hole on the second side plate;
two ends of the first connecting column are respectively inserted into the arc-shaped holes or the arc-shaped grooves on the first side plate and the second side plate, and two ends of the second connecting column are respectively inserted into the round holes on the first side plate and the second side plate.
5. Transmission structure according to claim 4,
the drive section includes: the driving motor and the motor base are arranged between the first side plate and the second side plate, the driving motor comprises a body and an output shaft extending out of the body, and the output shaft and the axis of the belt wheel are coaxially arranged;
the motor cabinet includes: the driving device comprises a first bracket, a second bracket and bearing parts positioned on the first bracket and the second bracket, wherein the driving motor is borne on the bearing parts; the connecting parts of the first connecting piece and the second connecting piece are located between the first side plate and the second side plate, the first support is fixedly connected with the connecting part of the first connecting piece, and the second support is fixedly connected with the connecting part of the second connecting piece.
6. The transmission structure according to claim 4, further comprising
The adjusting assembly comprises a fixing piece and an adjusting piece which are connected, the fixing piece is connected with the first connecting column, and the adjusting piece is movably arranged on the base body and can move relative to the base body to drive the assembling portion on the first connecting column to slide relative to the sliding guide portion.
7. The transmission structure according to claim 6, wherein the fixing member comprises a first plate body, a connecting hole is formed in the first plate body, and the depth direction of the connecting hole forms an included angle with the axis of the belt wheel;
the adjusting piece is a screw column body, the screw column body is inserted into the connecting hole, and a fixing nut is arranged on the screw column body and used for connecting the fixing piece with the adjusting piece.
8. The transmission structure according to claim 7, wherein the fixing member further comprises a second plate connected to the first plate, the second plate is perpendicular to the first plate, the second plate is provided with a fixing hole, and the depth direction of the fixing hole is parallel to the axis of the pulley;
the first connecting column is inserted into the fixing hole, an external thread is arranged on the first connecting column, and a fastening nut is connected to the first connecting column in a threaded mode so as to connect the first connecting column with the fixing piece.
9. The transmission structure according to claim 7, wherein the side plate is provided with a protruding edge plate, the edge plate is provided with an adjusting hole, and the hole depth direction of the adjusting hole forms an included angle with the axis of the belt wheel;
the screw cylinder is inserted in the allocation hole, an adjusting nut which is abutted against the edge plate is arranged on the screw cylinder, and the adjusting nut is used for adjusting the screw cylinder to move in the allocation hole.
10. A washing machine, characterized by, including action wheel, follow driving wheel, drive belt, interior bobbin spindle, and the transmission structure of any one of claims 1-9, the action wheel is installed on the drive division, follow driving wheel is installed on the interior bobbin spindle, the drive belt is installed on action wheel and follow driving wheel, the action wheel forms the band pulley on the drive assembly, action wheel and follow driving wheel are located the coplanar, and the axis of action wheel and the axis of follow driving wheel parallel arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258187.0A CN111472139A (en) | 2020-04-03 | 2020-04-03 | Transmission structure and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258187.0A CN111472139A (en) | 2020-04-03 | 2020-04-03 | Transmission structure and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111472139A true CN111472139A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010258187.0A Pending CN111472139A (en) | 2020-04-03 | 2020-04-03 | Transmission structure and washing machine |
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| Country | Link |
|---|---|
| CN (1) | CN111472139A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057218A (en) * | 1960-02-19 | 1962-10-09 | Borg Warner | Drive assembly |
| DE2247708A1 (en) * | 1972-09-28 | 1974-04-11 | Siemens Ag | DRIVE FOR A DRUM WASHING MACHINE |
| DE10331949B3 (en) * | 2003-07-15 | 2005-05-04 | Electrolux Home Products Corporation N.V. | A method for maintaining the belt tension in a domestic washing and drying machine has a combined drum motor and fan motor assembly which is pivoted and tensioned by a spring |
| CN201690300U (en) * | 2009-12-14 | 2010-12-29 | 深圳市大族激光科技股份有限公司 | Belt tension-adjusting device |
| CN207417676U (en) * | 2017-09-25 | 2018-05-29 | 浙江凯乐士科技有限公司 | A kind of tensioning apparatus |
| CN209130131U (en) * | 2018-10-23 | 2019-07-19 | 福建龙马环卫装备股份有限公司 | A kind of adjustable tensioning device |
-
2020
- 2020-04-03 CN CN202010258187.0A patent/CN111472139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057218A (en) * | 1960-02-19 | 1962-10-09 | Borg Warner | Drive assembly |
| DE2247708A1 (en) * | 1972-09-28 | 1974-04-11 | Siemens Ag | DRIVE FOR A DRUM WASHING MACHINE |
| DE10331949B3 (en) * | 2003-07-15 | 2005-05-04 | Electrolux Home Products Corporation N.V. | A method for maintaining the belt tension in a domestic washing and drying machine has a combined drum motor and fan motor assembly which is pivoted and tensioned by a spring |
| CN201690300U (en) * | 2009-12-14 | 2010-12-29 | 深圳市大族激光科技股份有限公司 | Belt tension-adjusting device |
| CN207417676U (en) * | 2017-09-25 | 2018-05-29 | 浙江凯乐士科技有限公司 | A kind of tensioning apparatus |
| CN209130131U (en) * | 2018-10-23 | 2019-07-19 | 福建龙马环卫装备股份有限公司 | A kind of adjustable tensioning device |
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