CN111824994A - Lifting control device of electric clothes hanger - Google Patents
Lifting control device of electric clothes hanger Download PDFInfo
- Publication number
- CN111824994A CN111824994A CN202010676993.XA CN202010676993A CN111824994A CN 111824994 A CN111824994 A CN 111824994A CN 202010676993 A CN202010676993 A CN 202010676993A CN 111824994 A CN111824994 A CN 111824994A
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- China
- Prior art keywords
- wheel
- rope winding
- transmission
- gear
- clothesline
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
- B66D1/34—Attachment of ropes or cables to drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/46—Control devices non-automatic electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/56—Adaptations of limit switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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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
- D06F57/00—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired
- D06F57/12—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects
- D06F57/125—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects for attachment to, or close to, the ceiling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
A lifting control device of an electric clothes hanger comprises a motor, a transmission mechanism, a rope winding wheel, an upper limit control mechanism and a lower limit control mechanism, wherein the transmission mechanism comprises a worm and a first transmission gear, the diameter of the first transmission gear is smaller than that of the rope winding wheel, the upper limit control mechanism and the lower limit control mechanism respectively comprise a first contact switch, a pinion, a transmission wheel, an adjusting wheel, a fixed disc and a spring, the rope winding wheel drives the transmission wheel to rotate through the pinion, the transmission wheel drives the adjusting wheel to rotate through the meshing of first meshing grains and second meshing grains, and a bulge of the adjusting wheel controls the motor to stop rotating; the rope winding part is provided with a clamping structure comprising a through hole and a clamping groove, the through hole is radially arranged, and the clamping groove extends in the circumferential direction and is connected with the winding groove. The invention can adopt a motor with smaller size to realize larger torque output, and can increase the diameter of the rope winding wheel and reduce the thickness, so that the whole device is light, thin and miniaturized; the limiting control mechanism has simple and compact structure, convenient installation and easy adjustment; the clothesline is simple and convenient to install and replace.
Description
Technical Field
The invention relates to the technical field of clothes hangers, in particular to a lifting control device of an electric clothes hanger.
Background
The electric clothes hanger can be lifted automatically and is convenient to use, so that the electric clothes hanger is widely used. One end of a clothesline of the electric clothes hanger is connected with the clothes-horse, clothes are hung on the clothes-horse, the other end of the clothesline is connected with the lifting control device, and the lifting control device controls the lifting of the clothesline, so that the clothes-horse ascends or descends. The lifting control device generally comprises a motor and a rope winding wheel, a clothesline is wound on the rope winding wheel, the motor is connected with the rope winding wheel to drive the rope winding wheel to rotate, the lifting travel of the clothesline is controlled in the lifting process, the clothesline stops descending when reaching the lowest point and stops ascending when reaching the highest point, and meanwhile, due to different heights of floors, users have different use habits, and the lowest or highest hanging height of the clothesline is often required to be adjusted in the installation, maintenance or use of the clothes hanger.
The stroke control of the existing electric clothes hanger is mainly connected with a rotating shaft of a rope winding wheel through a gear set, a contact piece is arranged on the gear set, a motor stops running when the contact piece rotates to be in contact with a motor switch, an upper limit contact piece and a lower limit contact piece are arranged on the same wheel disc or different wheel discs, an uplink control part and a downlink control part are separately arranged and are respectively connected with the two rope winding wheels for independent control, and the gear structure components are complex in structure and difficult to install and maintain. When the lifting stroke of the clothes hanger needs to be adjusted, the fixing screws of the wheel disc connected with the upper limiting contact piece and the lower limiting contact piece are usually required to be completely detached, so that the rotating shaft of the wheel disc is in a free rotating state, even the fixing screws of the gear set connected with the wheel disc are required to be detached, the adjusting process is complicated, tools such as a wrench and a screwdriver are required, and the completely-screwed screws are easy to lose, so that troubles are brought.
And the clothesline can't avoid having the kink in the use, easily breaks at the kink, often needs to change the clothesline often, and current clothes hanger generally passes through the screw fixation with the tip of clothesline in the inside of rope winding wheel, and it is very troublesome to change, needs to remove whole coiling wheel or dismantle whole shell and the part that blocks from the casing inside and make the coiling wheel inside show out, twists the screw again in order to dismantle the end, also is same step during the installation.
In addition, with the improvement of the appearance requirements of users, the control mechanism of the electric clothes hanger is required to be light, thin and small, and the motor and the rope winding wheel mainly affect the volume of the control mechanism. The adoption of a small motor can reduce the volume and lighten the whole structure, but the output torque of the small motor is limited, and the output torque can be influenced; and the slimness and thinness of the rope winding wheel are also required, if the length of the stored clothesline is required to be ensured, the diameter of the rope winding wheel needs to be increased, and the miniaturization of the motor and the increase of the diameter of the rope winding wheel can cause the size and the spatial structure layout of the output torque.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a lifting control device of an electric clothes hanger, which is easy to adjust the lifting stroke, install and replace a clothesline, has a compact structure, and is small, exquisite, light and thin.
The invention is realized by the following technical scheme:
a lifting control device of an electric clothes hanger comprises a motor, a shell, a transmission mechanism, a rope winding wheel, a clothes line, an upper limit control mechanism and a lower limit control mechanism, wherein the transmission mechanism and the rope winding wheel are installed inside the shell; the driving mechanism comprises a worm and first driving gears, the worm is in driving connection with the output end of the motor, the first driving gears are in driving connection with the worm respectively, the rope winding wheels are in driving connection with the first driving gears respectively, and the two clothes airing ropes are wound on the two rope winding wheels respectively. The motor is arranged in the mounting seat, the mounting seat can be connected with the shell, the first transmission gear and the rope winding wheel can be rotatably arranged on the shell, the worm drives the rope winding wheel to rotate through the first transmission gear, and when the diameter of the rope winding wheel is larger, the motor and the motor mounting seat can be avoided in space, so that the structure is reasonable; the first transmission gear can simultaneously play the roles of reducing the speed and increasing the output torque.
The upper limit control mechanism and the lower limit control mechanism are respectively connected with the two groups of rope winding wheels and are respectively used for upper limit control and lower limit control of the clothesline, the upper limit control mechanism and the lower limit control mechanism have the same structure and respectively comprise a first contact switch, a pinion, a transmission wheel, an adjusting wheel, a fixed disk and a spring, the pinion is connected to a rotating shaft of the rope winding wheels, gear teeth meshed with the pinion are arranged on the transmission wheel, and the rope winding wheels drive the transmission wheel to rotate through the meshing of the pinion and the gear teeth; a first meshing line is arranged on the plane of the driving wheel far away from the rope winding wheel, the adjusting wheel and the driving wheel are coaxially arranged, a second meshing line meshed with the first meshing line is arranged on the plane of the adjusting wheel, and the driving wheel drives the adjusting wheel to rotate through the meshing of the first meshing line and the second meshing line; the fixed disc is fixed on the shell and is coaxially arranged with the adjusting wheel, and the spring is limited between two opposite surfaces of the fixed disc and the adjusting wheel and is used for providing elastic force for pressing the adjusting wheel on the driving wheel so as to enable the first meshing grains to be tightly meshed with the second meshing grains; the first contact switch is arranged on the outer side of the circumferential direction of the adjusting wheel, the first contact switch is simultaneously electrically connected with the motor, a protruding portion matched with the first contact switch is arranged on the circumferential direction of the adjusting wheel, when the protruding portion rotates to be in contact with the first contact switch, the first contact switch controls the motor to stop running, the rope winding wheel stops rotating, and the clothesline does not ascend or descend any more.
One end of the spring is abutted against the fixed disc fixed on the shell, the other end of the spring is abutted against the adjusting wheel, when the control mechanism works normally, due to the elastic force of the spring, a set screw is not needed, the adjusting wheel can be tightly pressed on the driving wheel by the spring, the first meshing line is tightly meshed with the second meshing line, and the driving wheel drives the adjusting wheel to rotate; when the stroke is adjusted through the adjusting wheel, the adjusting wheel is pulled out towards the fixed disk, so that the second meshing lines are separated from the first meshing lines, the adjusting wheel is in a free state, the adjusting wheel cannot be completely separated from the shell due to the positioning effect of the fixed disk, the adjusting wheel is loosened after the stroke is adjusted by rotating the adjusting wheel, the adjusting wheel returns due to the elastic force of the compressed spring, the second meshing lines are meshed with the first meshing lines again, and the control mechanism works normally. The upper limit control mechanism and the lower limit control mechanism are completely the same in structure and control principle, are independently arranged and controlled, and when only one of the upper limit control mechanism and the lower limit control mechanism needs to be adjusted, the other group is not influenced.
The rope winding wheel comprises a second transmission gear and a rope winding part which are integrally formed and coaxially arranged, the rope winding part is a cylinder, the clothesline is wound and unwound on the cylinder of the rope winding part, the second transmission gear is meshed with the first transmission gear, and the diameter of the second transmission gear is larger than that of the first transmission gear. The integrated forming structure is compact and stable, the operation is stable, the noise is low, and the faults are reduced. The first transmission gear drives the larger second transmission gear, so that the output torque is further improved, the speed is reduced, the requirement can be met by adopting a smaller motor, the diameter of the second transmission gear is increased, and the diameter of the rope winding part can be correspondingly increased, so that the thickness of the rope winding wheel can be reduced, and the integral structure is light, thin and miniaturized.
The technical scheme of further improvement is that the first transmission gear comprises a first gear and a second gear which have the same diameter and are coaxially arranged, the first gear is meshed with the worm, the second gear is meshed with the second transmission gear, and the rope winding part and the first gear are positioned on the same side of the first gear, so that the space is saved, and the thickness of the whole structure is as small as possible. Preferably first gear and second gear integrated into one piece reduce the installation and cooperate the degree of difficulty, make the steady operation.
According to a further improved technical scheme, a clamping structure used for clamping the ends of the clothesline is arranged on the side face of the cylinder of the rope winding portion, the clamping structure comprises a through hole and a clamping groove, the through hole is radially arranged on the side face of the cylinder of the rope winding portion, the clamping groove extends along the circumferential direction of the cylinder of the rope winding portion, one end of the clamping groove is connected with the through hole, and the clamping groove and the through hole are approximately in L-shaped distribution. The head of the clothesline is provided with a columnar end head, the diameter of the columnar end head is larger than that of the clothesline body, the diameter of the clothesline end head is smaller than that of the through hole and larger than the width of the clamping groove, the columnar length of the clothesline end head is larger than that of the through hole, the end head can not pass through the through hole, meanwhile, the diameter of the clothes line end head is larger than that of the clamping groove, the columnar end face of the clothesline end head transversely arranged relative to the through hole is clamped on the end face of the clamping groove, the clothesline body is clamped in the clamping groove and cannot slide away from the clamping groove, the clothesline end head is positioned and fixed on the clamping structure, and the clothesline is in a certain tightening state because the clothesline is suspended with objects such as clotheslines, and the.
When the clothesline needs to be replaced, as long as the clothesline body is pulled out from the clamping groove, the columnar body of the clothesline end is changed into the coaxial relative through hole by being transversely placed relative to the through hole, the columnar end can be pulled out from the through hole, the end is not required to be fixed through screws, and the end is exposed without disassembling related parts of the coiled rope structure. And because the extending direction of the clamping groove is basically consistent with the extending direction of the clothesline body on the rope winding part, the clothesline cannot be bent greatly at the rope winding position, and the bending loss of the clothesline is reduced.
The improved technical scheme is that a winding groove is formed in the rope winding part and connected with the clamping groove, so that the clothesline coming out of the end head is firstly wound in the clamping groove and then wound in the winding groove. The winding grooves can enable the clotheslines to be sequentially arranged at fixed positions, so that winding is avoided, and the control of the winding and unwinding of the clotheslines is facilitated.
The technical scheme of further improvement is that the drive wheel includes interconnect and coaxial ring gear and ring channel that sets up, the ring channel is located the opening direction of the interior circumference of ring gear and ring channel is kept away from around the rope sheave, on the drive wheel the teeth of a cogwheel set up on the ring gear, pinion and drive wheel internal gearing, first meshing line circumference sets up on the tank bottom surface of ring channel, and first meshing line arranges along the tank bottom circumference of ring channel. The transmission function is realized to the drive wheel, and ring gear and ring channel coaxial setting, drive wheel and regulating wheel cooperate the conveying in the ring channel, have saved the space to can realize steady transmission.
According to the further improved technical scheme, the adjusting wheel comprises a disc surface, an outer ring and an inner ring, the outer ring and the inner ring are coaxially arranged on the back surface of the disc surface, the second meshing threads are arranged on the annular end surface of the inner ring, and the outer ring is buckled on the periphery of the driving wheel, so that the space is saved, and the structure is more compact.
The improved technical scheme is that the center of the fixed disc is vertically provided with an installation column, a central hole of an inner ring on the adjusting wheel is a step hole, a spring is arranged on a step of the step hole, the installation column penetrates through the spring and the step hole and then is fixed on the shell, so that the spring is tightly pressed in the step hole, and the elasticity of the spring further tightly presses the adjusting wheel on the driving wheel through the step hole.
The improved technical scheme is that the clothes airing rack further comprises two groups of emergency stop control mechanisms which are respectively connected with two clothes airing ropes, wherein each emergency stop control mechanism comprises a second contact switch, a movable frame and a reset spring, the second contact switch is arranged on the shell and is electrically connected with a motor, the movable frame is used for jacking the second contact switch to stop the motor when the clothes airing rack is blocked, the movable frame is arranged on the shell in a vertically movable mode, the clothes airing ropes pass through the movable frame after coming out of the rope winding wheels, and the clothes airing ropes are connected with the clothes airing rods after passing through the movable frame; the reset spring is connected between the movable frame and the shell and used for providing elastic force for enabling the movable frame to move towards the direction of the second contact switch when the clothes hanger is blocked. When the clothes hanger works normally, the clothesline is pressed on the movable frame due to the gravity of clothes, a clothesline rod and the like, the movable frame is separated from the second contact switch, and the motor operates normally; when the lower part of the clothes-horse or the clothes-line descends to block the clothes-line from continuously descending, the clothes-line is pushed, the pressure acting on the movable frame is removed from the clothes-line, the movable frame moves towards the second contact switch under the action of the elastic force of the reset spring, and when the movable frame presses the second contact switch, the motor is controlled to stop rotating, so that the operation safety of the clothes-horse is guaranteed. In addition, when the motor is manually stopped, the second contact switch can be jacked by the movable frame under the action of the reset spring only by manually supporting the clothes-horse or the clothes-line, so that the motor is stopped, the movable frame can also be used for treating some emergency situations, the switch of the whole clothes hanger does not need to be pressed, and the safety is improved.
The invention drives the transmission structure of the pinion and the pinion to drive the gearwheel through the worm, in transmission, a motor with a smaller size can realize larger torque output and can play a role of speed reduction, the gearwheel can avoid components such as the motor, a motor mounting seat, the worm and the like in a space structure, and the gearwheel can be connected with a rope winding component with a large diameter, so that the thickness of the rope winding component can be further reduced under the condition of unchanging the length of the clothesline, and the integral control device can realize lightness, thinness and miniaturization; the first transmission gear adopts a first gear and a second gear which are coaxially arranged and are respectively meshed with the worm and the second transmission gear, and the rope winding wheel adopts the second transmission gear and the rope winding part which are integrally formed and coaxially arranged, so that the space is further saved, the structure is compact, and the transmission is stable.
The upper limit control mechanism and the lower limit control mechanism are respectively and independently arranged and controlled and are respectively connected with the two rope winding wheels, the operation and the regulation are not interfered with each other, when only one of the two rope winding wheels needs to be regulated, the other group is not influenced, and the installation, the regulation and the maintenance are simple; the limiting control mechanism adopts a combined structure of a driving wheel, an adjusting wheel and a fixed disk, and the driving wheel, the adjusting wheel, a spring and the fixed disk are coaxially arranged, so that compared with the structure of a gear set, the limiting control mechanism is convenient to install and maintain, simple and compact in structure and small in occupied space; can make regulating wheel and drive wheel close transmission be connected or separate through spring and fixed disk, need not the locking screw and can carry out stroke control, when needs adjust the stroke, also can easily make regulating wheel and drive wheel separation, rotate the regulating wheel again and adjust, convenient operation need not any extracting tool, also does not have the problem that the screw is lost.
According to the invention, the rope winding wheel is provided with the clamping structure comprising the through hole and the clamping groove, so that after the end head of the clothesline penetrates through the through hole, the clothesline body or the transition section is clamped in the clamping groove, the end head can be positioned and fixed without fixing the end head through screws, and when the clothesline is replaced, the end head is exposed without disassembling related parts of the rope winding structure, and the rope replacement is simple and easy to operate.
Drawings
Fig. 1 is a schematic view of an appearance structure of an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of the embodiment of the present invention with the front case removed.
Fig. 3 is an exploded view of an upper limit control mechanism or a lower limit control mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic top view of an upper or lower restraint mechanism in an embodiment of the present invention.
Fig. 5 is a sectional view of an upper limit control mechanism or a lower limit control mechanism in an embodiment of the present invention.
Fig. 6 is a schematic back structure diagram of the transmission wheel in the embodiment of the invention.
Fig. 7 is a schematic front view of a driving wheel according to an embodiment of the present invention.
Fig. 8 is a schematic back structure view of an adjustment wheel according to an embodiment of the invention.
Fig. 9 is a schematic front view of an adjusting wheel according to an embodiment of the present invention.
FIG. 10 is a cross-sectional view of a mounting plate in an embodiment of the invention.
Fig. 11 is a schematic view of the structure of the rope winding wheel in the embodiment of the invention.
Fig. 12 is a schematic view of another perspective of the rope winding wheel in the embodiment of the invention.
Fig. 13 is a schematic view of the structure of a clothes line in an embodiment of the invention.
Fig. 14 is a schematic view of the installation of the rope winding wheel and the clothes line in the embodiment of the invention.
Fig. 15 is a schematic structural view of the first transmission gear in the embodiment of the present invention.
Fig. 16 is a schematic structural diagram of an emergency stop control mechanism according to an embodiment of the present invention.
Reference numerals: 1-a shell; 2, a motor; 3-a transmission mechanism; 4-upper limit control mechanism; 5-lower limit control mechanism; 6-a rope winding wheel; 7-clothes-lines; 8-a sudden stop control mechanism; 11-a rear shell; 12-a front shell; 31-a worm; 32-a first drive gear; 321-a first gear; 322-a second gear; 51-a transmission wheel; 52-a regulating wheel; 53-fixed disk; 54-a first contact switch; 55-fastening screws; 56-pinion gear; 57-a spring; 511-ring gear; 512-ring groove; 513-gear teeth; 514-first engagement threads; 521-disk surface; 522-outer ring; 523-inner ring; 524-second engagement ridge; 525-step holes; 526-a boss; 531-mounting a column; 61-a second transmission gear; 62-rope winding part; 621-a via hole; 622-card slot; 623-a winding slot; 71-end; 72-clothesline body; 81-a moving rack; 82-a second contact switch; 83-return spring.
Detailed Description
A lifting control device of an electric clothes hanger comprises a motor 2, a shell 1, a transmission mechanism 3, a rope winding wheel 6, a clothesline 7, an upper limit control mechanism 4, a lower limit control mechanism 5 and an emergency stop control mechanism 8, wherein in the embodiment, the shell 1 is composed of a front shell and a rear shell (a front shell 12 and a rear shell 11), the transmission mechanism 3 and the rope winding wheel 6 are installed inside the shell 1, and the upper limit control mechanism 4 and the lower limit control mechanism 5 are installed outside the shell 1 and are convenient to adjust at any time.
The transmission mechanism 3 comprises a worm 31 and first transmission gears 32, the worm 31 is in transmission connection with the output end of the motor 2, the first transmission gears 32 are in transmission connection with the worm 31 respectively, the rope winding wheels 6 are in transmission connection with the first transmission gears 32 respectively, and the two clotheslines 7 are wound on the two rope winding wheels 6 respectively. The motor 2 is arranged in the mounting seat, the mounting seat can be connected with the shell 1, the first transmission gear 32 and the rope winding wheel 6 can be rotatably arranged on the shell 1, the worm 31 drives the rope winding wheel 6 to rotate through the first transmission gear 32, and when the diameter of the rope winding wheel 6 is larger, the motor 2 and the mounting seat of the motor 2 can be avoided in space, so that the structure is reasonable; the first transfer gear 32 can simultaneously serve to decelerate and increase the output torque.
The upper limit control mechanism 4 and the lower limit control mechanism 5 are respectively connected with the two groups of rope winding wheels 6 and are respectively used for upper limit control and lower limit control of the clothesline 7, and the positions of the upper limit control mechanism and the lower limit control mechanism can be interchanged. The upper limit control mechanism 4 and the lower limit control mechanism 5 have the same structure, and the lower limit control mechanism 5 is taken as an example and comprises a first contact switch 54, a pinion 56, a transmission wheel 51, an adjusting wheel 52, a fixed disc 53 and a spring 57, wherein the pinion 56 is connected to the rotating shaft of the rope winding wheel 6, the transmission wheel 51 is provided with a gear tooth 513 meshed with the pinion 56, and the rope winding wheel 6 drives the transmission wheel 51 to rotate through the meshing of the pinion 56 and the gear tooth 513, as shown in fig. 2 to 5; a first meshing grain 514 is arranged on the plane of the transmission wheel 51 far away from the rope winding wheel 6, the adjusting wheel 52 and the transmission wheel 51 are coaxially arranged, a second meshing grain 524 which is meshed with the first meshing grain 514 is arranged on the plane of the adjusting wheel 52, and the transmission wheel 51 drives the adjusting wheel 52 to rotate through the meshing of the first meshing grain 514 and the second meshing grain 524; the fixed disc 53 is fixed on the housing 1 and is coaxially arranged with the adjusting wheel 52, and the spring 57 is limited between two opposite surfaces of the fixed disc 53 and the adjusting wheel 52 and is used for providing an elastic force for pressing the adjusting wheel 52 on the transmission wheel 51 so as to enable the first meshing patterns 514 to be tightly meshed with the second meshing patterns 524; the first contact switch 54 is arranged on the outer side of the circumferential direction of the adjusting wheel 52, the first contact switch 54 is simultaneously electrically connected with the motor 2, the circumferential direction of the adjusting wheel 52 is provided with a protruding part 526 matched with the first contact switch 54, when the protruding part 526 rotates to be contacted with the first contact switch 54, the first contact switch 54 controls the motor 2 to stop running, the rope winding wheel 6 stops rotating, and the clothesline 7 does not ascend or descend any more.
One end of the spring 57 abuts against the fixed disc 53 fixed on the shell 1, and the other end abuts against the adjusting wheel 52, when the control mechanism works normally, due to the elastic force of the spring 57, a set screw is not required, the adjusting wheel 52 can be pressed tightly on the transmission wheel 51 by the spring 57, the first meshing line 514 is tightly meshed with the second meshing line 524, and the transmission wheel 51 drives the adjusting wheel 52 to rotate; when the stroke needs to be adjusted through the adjusting wheel 52, the adjusting wheel 52 is pulled out towards the fixed disk 53, the second meshing patterns 524 are separated from the first meshing patterns 514, the adjusting wheel 52 is in a free state, due to the positioning effect of the fixed disk 53, the adjusting wheel 52 cannot be completely separated from the shell 1, after the stroke is adjusted by rotating the adjusting wheel 52, the adjusting wheel 52 is loosened, due to the elastic force of the compressed spring 57, the adjusting wheel 52 returns, the second meshing patterns 524 are again matched with the first meshing patterns 514, and the control mechanism works normally. The upper limit control mechanism 4 and the lower limit control mechanism 5 are completely the same in structure and control principle, are independently arranged and controlled, and when only one of the upper limit control mechanism and the lower limit control mechanism needs to be adjusted, the other group is not influenced.
As shown in fig. 11, the rope winding wheel 6 includes a second transmission gear 61 and a rope winding part 62 which are integrally formed and coaxially disposed, the rope winding part 62 is a cylindrical body, the clothesline 7 is wound and stored on the cylindrical body of the rope winding part 62, the second transmission gear 61 is engaged with the first transmission gear 32, and the diameter of the second transmission gear 61 is larger than that of the first transmission gear 32. The integrated forming structure is compact and stable, the operation is stable, the noise is low, and the faults are reduced. The first transmission gear 32 drives the larger second transmission gear 61, so that the output torque is further improved, the speed is reduced, the requirement can be met by adopting the smaller motor 2, the diameter of the second transmission gear 61 is increased, and the diameter of the rope winding part 62 can be correspondingly increased, so that the thickness of the rope winding wheel 6 can be reduced, and the integral structure is light, thin and miniaturized.
As shown in fig. 15, the first transmission gear 32 includes a first gear 321 and a second gear 322 that are coaxially disposed and have the same diameter, the first gear 321 is engaged with the worm 31, the second gear 322 is engaged with the second transmission gear 61, and the rope winding portion 62 and the first gear 321 are located on the same side of the first gear 321, which is beneficial to saving space and making the thickness of the whole structure as small as possible. Preferably, the first gear 321 and the second gear 322 are integrally formed, so that the installation and matching difficulty is reduced, and the operation is stable.
As shown in fig. 11 to 14, a fastening structure for fastening the clothesline end 71 is disposed on the side surface of the cylinder of the rope winding portion 62, the fastening structure includes a through hole 621 and a fastening groove 622, the through hole 621 is radially disposed on the side surface of the cylinder of the rope winding portion 62, the fastening groove 622 extends along the circumferential direction of the cylinder of the rope winding portion 62, and one end of the fastening groove 622 is connected to the through hole 621, that is, the fastening groove 622 and the through hole 621 are substantially L-shaped. The head of the clothesline 7 is provided with a columnar end 71, the diameter of the columnar end 71 is larger than that of the clothesline body 72, and the diameter of the clothesline end 71 is smaller than that of the through hole 621 and larger than the width of the slot 622, and the columnar length of the clothesline end 71 is larger than the diameter of the through hole 621, the end 71 can not pass through the through hole 621 any more, meanwhile, as the diameter of the assembly is larger than the width of the clamping groove 622, the cylindrical end surface of the clothesline end 71 transversely arranged relative to the through hole 621 is clamped on the end surface of the clamping groove 622, the clothesline body 72 is clamped in the clamping groove 622 and can not slide away from the clamping groove 622, so that the clothesline end 71 is positioned and fixed on the clamping structure, and because the clothesline 7 is hung with clothesline pole, clothing and other articles, the clothesline 7 is in a certain state of tightening, and the end 71 of the clothesline 7 can not move.
When the clothesline 7 needs to be replaced, the clothesline body 72 is pulled out from the clamping groove 622, the cylindrical body of the clothesline end 71 is changed from being transversely arranged relative to the through hole 621 to being coaxial relative to the through hole 621, the cylindrical end 71 can be pulled out from the through hole 621, the end 71 is not required to be fixed through screws, and the end 71 is not required to be exposed by disassembling related parts of a rope rolling structure. And because the extending direction of the clamping groove 622 is basically consistent with the extending direction of the clothesline body 72 on the rope winding part 62, the clothesline 7 cannot be bent greatly at the rope winding position, and the bending loss of the clothesline 7 is reduced.
The rope winding part 62 is provided with a winding groove 623, and the winding groove 623 is connected with the clamping groove 622, so that the clothesline 7 coming out from the end head 71 is firstly wound in the clamping groove 622 and then wound in the winding groove 623. The winding slots 623 can enable the clotheslines 7 to be sequentially arranged at fixed positions, so that winding is avoided, and control over winding and unwinding of the clotheslines 7 is facilitated.
As shown in fig. 6 and 7, the transmission wheel 51 includes an inner ring gear 511 and an annular groove 512 which are connected with each other and coaxially disposed, the annular groove 512 is located on an inner periphery of the inner ring gear 511, an opening direction of the annular groove 512 is away from the rope winding wheel 6, the gear teeth 513 on the transmission wheel 51 are disposed on the inner ring gear 511, the pinion 56 is engaged with the transmission wheel 51, the first engaging patterns 514 are circumferentially disposed on a groove bottom surface of the annular groove 512, and the first engaging patterns 514 are circumferentially disposed along a groove bottom of the annular groove 512. The transmission wheel 51 realizes the transmission function, the gear ring and the annular groove 512 are coaxially arranged, and the transmission wheel 51 and the adjusting wheel 52 are matched and transmitted in the annular groove 512, so that the space is saved, and the stable transmission can be realized.
As shown in fig. 8 and 9, the adjusting wheel 52 includes a disk surface 521, an outer ring 522 and an inner ring 523, the outer ring 522 and the inner ring 523 are coaxially disposed on the back surface of the disk surface 521, the second meshing thread 524 is disposed on the annular end surface of the inner ring 523, and the outer ring 522 is fastened on the periphery of the driving wheel 51, so that space is saved and the structure is more compact.
As shown in fig. 10, a mounting column 531 is vertically disposed at the center of the fixed disk 53, the central hole of the inner ring 523 of the adjusting wheel 52 is a step hole 525, the spring 57 is disposed on the step of the step hole 525, the mounting column 531 passes through the spring 57 and the step hole 525 and then is fixed on the housing 1, so that the spring 57 is pressed in the step hole 525, and the elastic force of the spring 57 further presses the adjusting wheel 52 on the transmission wheel 51 through the step hole 525. The fixing plate 53 in this embodiment is fixed to the housing 1 by passing a fastening screw 55 through the center of the mounting column 531. The fixed disc 53 can be provided with reference scales, and the adjusting wheel 52 is provided with corresponding scale marks, so that the scales can be conveniently aligned when the stroke is adjusted.
As shown in fig. 16, two groups of emergency stop control mechanisms 8 are respectively connected with two clotheslines 7, each emergency stop control mechanism 8 comprises a second contact switch 82, a movable frame 81 and a return spring 83, the second contact switches 82 are arranged on the housing 1 and electrically connected with the motor 2, the movable frame 81 is used for pressing the second contact switches 82 to stop the motor 2 when the clothes hanger is in a blockage, the movable frame 81 is vertically and movably mounted on the housing 1, the clotheslines 7 pass through the movable frame 81 after coming out of the rope winding wheel 6, and the clotheslines 7 pass through the movable frame 81 and then are connected with the clothes-horse; the return spring 83 is connected between the moving frame 81 and the housing 1, and provides an elastic force for moving the moving frame 81 in the direction of the second contact switch 82 when the laundry rack is in a jam. The shell 1 can be provided with a sliding groove, and the movable frame moves up and down through the sliding groove. When the clothes hanger works normally, the clothesline 7 is pressed on the movable frame 81 due to the gravity of clothes, a clothesline pole and the like, the movable frame 81 is separated from the second contact switch 82, and the motor 2 operates normally; when the lower part of the clothesline rod or the clothesline 7 is blocked by an obstacle to continue descending in the descending process, the clothesline 7 is pushed, the clothesline 7 removes the pressure acting on the movable frame 81, the movable frame 81 moves towards the direction of the second contact switch 82 under the action of the elastic force of the return spring 83, and when the top is pressed on the second contact switch 82, the motor 2 is controlled to stop rotating, so that the operation safety of the clothes hanger is guaranteed. In addition, when the motor 2 is manually stopped, the movable frame 81 can press the second contact switch 82 under the action of the return spring 83 only by manually supporting the clothes-horse or the clothesline 7, so that the motor 2 is stopped, and the electric clothes hanger can be used for treating some emergency situations without pressing the switch of the whole clothes hanger, thereby improving the safety.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A lifting control device of an electric clothes hanger is characterized by comprising a motor, a shell, a transmission mechanism, a rope winding wheel, a clothes line, an upper limit control mechanism and a lower limit control mechanism, wherein the transmission mechanism and the rope winding wheel are installed inside the shell, and the upper limit control mechanism and the lower limit control mechanism are installed outside the shell; the transmission mechanism comprises a worm and first transmission gears, the worm is in transmission connection with the output end of the motor, the two groups of first transmission gears are in transmission connection with the worm respectively, the two groups of rope winding wheels are in transmission connection with the two groups of first transmission gears respectively, and the two clotheslines are wound on the two groups of rope winding wheels respectively;
the upper limit control mechanism and the lower limit control mechanism are respectively connected with the two groups of rope winding wheels, the upper limit control mechanism and the lower limit control mechanism have the same structure and respectively comprise a first contact switch, a pinion, a transmission wheel, a regulating wheel, a fixed disc and a spring, the pinion is connected to a rotating shaft of the rope winding wheels, gear teeth meshed with the pinion are arranged on the transmission wheel, and the rope winding wheels drive the transmission wheel to rotate through the meshing of the pinion and the gear teeth; a first meshing line is arranged on the plane of the driving wheel far away from the rope winding wheel, the adjusting wheel and the driving wheel are coaxially arranged, a second meshing line meshed with the first meshing line is arranged on the plane of the adjusting wheel, and the driving wheel drives the adjusting wheel to rotate through the meshing of the first meshing line and the second meshing line; the fixed disc is fixed on the shell and is coaxially arranged with the adjusting wheel, and the spring is limited between two opposite surfaces of the fixed disc and the adjusting wheel and is used for providing elastic force for pressing the adjusting wheel on the driving wheel so as to enable the first meshing grains to be tightly meshed with the second meshing grains; the first contact switch is arranged on the outer side of the circumferential direction of the adjusting wheel, the first contact switch is simultaneously electrically connected with the motor, a protruding portion matched with the first contact switch is arranged on the circumferential direction of the adjusting wheel, and the motor is controlled to stop running through the touching of the protruding portion and the first contact switch.
2. The lifting control device of an electric clothes hanger according to claim 1, wherein the rope winding wheel comprises a second transmission gear and a rope winding part which are integrally formed and coaxially arranged, the rope winding part is a cylinder, the clothes line is wound on the cylinder of the rope winding part, the second transmission gear is meshed with the first transmission gear, and the diameter of the second transmission gear is larger than that of the first transmission gear.
3. The lifting control device of an electric clothes hanger according to claim 2, wherein the first transmission gear comprises a first gear and a second gear which have the same diameter and are coaxially arranged, the first gear is meshed with the worm, the second gear is meshed with the second transmission gear, and the rope winding part and the first gear are positioned on the same side of the first gear. Is beneficial to saving space.
4. The lifting control device of an electric clothes hanger according to claim 2, wherein a clamping structure for clamping the ends of the clothes line is arranged on the side surface of the cylinder of the rope winding part, the clamping structure comprises a through hole and a clamping groove, the through hole is radially arranged on the side surface of the cylinder of the rope winding part, the clamping groove extends along the circumferential direction of the cylinder of the rope winding part, and one end of the clamping groove is connected with the through hole; the head of the clothesline is provided with a columnar end, the diameter of the columnar end is larger than that of the clothesline body, the diameter of the clothesline end is smaller than that of the through hole and larger than the width of the clamping groove, the columnar length of the clothesline end is larger than that of the through hole, and after the clothesline end penetrates through the through hole, the clothesline body is clamped in the clamping groove, so that the clothesline end is positioned and fixed.
5. The lifting control device of an electric clothes hanger according to claim 4, wherein the rope winding part is provided with a winding groove, and the winding groove is connected with the clamping groove, so that the clothes line coming out from the end head is firstly wound in the clamping groove and then wound in the winding groove.
6. The lifting control device of an electric clothes hanger according to claim 1, wherein the driving wheel comprises an inner ring gear and an annular groove which are connected with each other and coaxially arranged, the annular groove is positioned on the inner periphery of the inner ring gear, the opening direction of the annular groove is far away from the rope winding wheel, the gear teeth on the driving wheel are arranged on the inner ring gear, and the first meshing patterns are circumferentially arranged on the bottom surface of the annular groove.
7. The lifting control device of an electric clothes hanger according to claim 1, wherein the adjusting wheel comprises a tray surface, an outer ring and an inner ring, the outer ring and the inner ring are coaxially arranged on the back surface of the tray surface, the second meshing threads are arranged on the annular end surface of the inner ring, and the outer ring is buckled on the periphery of the driving wheel.
8. The lifting control device of an electric clothes hanger according to claim 7, wherein a mounting post is vertically arranged at the center of the fixed disk, the central hole of the inner ring of the adjusting wheel is a step hole, the spring is arranged on the step of the step hole, and the mounting post passes through the spring and the step hole and then is fixed on the shell, so that the spring is pressed on the step hole.
9. The lifting control device of an electric clothes hanger according to any one of claims 1 to 8, further comprising two sets of emergency stop control mechanisms connected with two clothes lines respectively, wherein the emergency stop control mechanisms comprise a second contact switch, a movable frame and a return spring, the second contact switch is arranged on the shell and electrically connected with the motor, the movable frame is used for pressing the second contact switch to stop the motor when the clothes hanger is in a blockage state, the movable frame is arranged on the shell in a vertically movable mode, and the clothes lines pass through the movable frame after coming out of the rope winding wheel; the reset spring is connected between the movable frame and the shell and used for providing elastic force for enabling the movable frame to move towards the direction of the second contact switch when the clothes hanger is blocked.
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| CN202010676993.XA CN111824994B (en) | 2020-07-14 | 2020-07-14 | Lifting control device of electric clothes hanger |
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| CN115367645A (en) * | 2022-07-30 | 2022-11-22 | 宁波卓悦机电科技有限公司 | Electric lifter capable of replacing hand-operated clothes hanger for hand-operated device |
| CN117263060A (en) * | 2023-10-31 | 2023-12-22 | 佛山市多多岛科技有限公司 | Integrated electric clothes hanger with multistage transmission mechanism |
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