CN206034134U

CN206034134U - Electronic clothes hanger drive arrangement that dries in air

Info

Publication number: CN206034134U
Application number: CN201620947137.2U
Authority: CN
Inventors: 夏小华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-25
Filing date: 2016-08-25
Publication date: 2017-03-22
Anticipated expiration: 2026-08-25

Abstract

The utility model relates to an electronic clothes hanger drive arrangement that dries in air, including motor and reduction gears, the reduction gears includes the reducing gear box, set up and connect the case lid on the reducing gear box at its inside two sets of helical drive subassemblies and lid, the motor shaft of motor go into in the reducing gear box and with two sets of helical drive subassemblies meshing transmission, the head end of motor shaft is equipped with the boss, and the position that the reducing gear box corresponds the boss is equipped with the axle sleeve, and the boss rotates to be connected in the axle sleeve, and the motor shaft both ends are equipped with the steel ball, and the steel ball of head end supports with the axle sleeve and leans on, and the steel ball of tail end supports with the shell of motor and leans on. The utility model discloses control can effectively reduce the radial swinging of drive arrangement during operation motor shaft and at optimum helical gear, worm mesh's within range, reaching the effect that reduces noise at work, improvement motor auto -lock ability, extension working life, improvement work efficiency.

Description

A kind of electric clothes hanger driving means

Technical field

This utility model is related to a kind of electric clothes hanger, specifically a kind of electric clothes hanger driving means.

Background technology

Driving means（Or control device）For the requisite part of electric clothes hanger, its effect is to drive clothes hanger to complete Elevating function.

Driving means of electric clothes hanger in the market（Or control device）Including motor and speed reducer structure, reducing gear Intermeshing transmission helical gear and worm screw in reduction box is included in, geared worm is structure as a whole with motor shaft.Such as China specially Sharp document number CN204644715U discloses a kind of control device of electric clothes hanger on the 16th in September in 2015, including motor and By motor-driven drive mechanism, the drive mechanism include worm screw, two helical gears, respectively with two helical gears linkages two Individual reel, the helical gear and reel are integrated setting, are provided with the axle coordinated with reel rotating shaft two ends in device case Hold；The touch-switch of the escapement and controlled motor work being connected with reel transmission is additionally provided with described device housing, on escapement It is provided with the pendulum for pressing touch-switch；The touch-switch is provided with two rising touch-switch that respectively control clothes hanger rises The decline touch-switch declined with control clothes hanger, corresponding pendulum are also equipped with two and are respectively lifting position-limit pendulum and decline Spacing pendulum；The lifting position-limit pendulum can carry out the oscillation adjustment of certain angle.

The driving means of the electric clothes hanger of prior art（Or control device）Major defect be：1st, motor shaft（Snail Bar）Fixed by two motor bearings, motor shaft（Worm screw）Engage with helical gear, in transmission process, helical gear is to motor shaft（Worm screw） Radial force is produced, motor shaft is caused（Worm screw）Radially wobble, so helical gear and motor shaft（Worm screw）Between meshing parameter occur Change, produces larger abrasion, causes that electric clothes hanger motor working life is short, noise is big, inefficiency.2nd, due to oblique Gear worm parameter designing scarce capacity so that electric clothes hanger motor without reverse self-locking function, i.e. can only by auto-lock function at present Helical gear is driven by worm screw, and worm screw can not be driven by helical gear, such as when electric clothes hanger is overweight, its without auto-lock function, Cause clothes-horse to slide to hurt sb.'s feelings, it is impossible to play safeguard protection effect.

The content of the invention

The purpose of this utility model is to overcome the shortcomings of that above-mentioned prior art is present, and provides a kind of electric clothes hanger and drive Dynamic device, its effectively can prevent motor shaft operationally produce swing, abrasion, help improve driving means service life, Reduce operating noise.

What the purpose of this utility model was realized in：

A kind of electric clothes hanger driving means, including motor and speed reducer structure, reducing gear includes reduction box, is arranged on which Two groups of internal Helical gear Transmission components and lid are connected on the case lid on reduction box, and its architectural feature is, the motor-shaft extending of motor Enter in reduction box and with two groups of Helical gear Transmission component engaged transmissions；The head end of the motor shaft is provided with boss, reduction box correspondence The position of boss is provided with axle sleeve, and boss is rotatably connected in axle sleeve, and motor shaft two ends are provided with steel ball, and steel ball and the axle sleeve of head end are supported Lean on, the steel ball of tail end and the shell of motor against.

It is the running part with two groups of Helical gear Transmission component engaged transmissions in the middle part of the motor shaft, running part is snail Bar structure, the expansion helical angle of the worm screw is 6 ° -9 °, and the angle of friction of helical teeth worm and gear contact is 4 ° -7 °, and the expansion of worm screw Angle of friction of the helical angle less than the contact of helical teeth worm and gear.

On the motor shaft, the internal face of correspondence reduction box is provided with least one set annular slot, is connected with card on annular slot Spring；The end-position of reduction box correspondence motor shaft is provided with bearing chamber, is provided with bearing between bearing chamber and the tail end of motor shaft.

The boss is cylinder, and the outside dimension of boss is less than the outside dimension of motor shaft.

The axle sleeve is clamping screw, and its afterbody is provided with interior counterbore or against end face；The radial dimension of interior counterbore be more than or Equal to the outside dimension of boss, interior counterbore entangles boss, and the steel ball of head end is located on the end face of boss and is resisted against interior counterbore Inner bottom surface or against on end face；Or, the axle sleeve is clamping screw, and the steel ball of head end is positioned at its afterbody, the end face of boss Abut with steel ball.

The steel ball of the tail end is located in motor shaft, and with the shell of motor against.

The outer surface of the axle sleeve is provided with screw thread and is threadedly coupled with reduction box, and the head of axle sleeve is provided with cross regulating tank or one Regulation groove.

The Helical gear Transmission component includes the helical gear that coaxial transmission arranges, helical gear shaft and guide roller, helical gear with Motor shaft engaged transmission, wire wheel surface are provided with winding slot.

The helical gear shaft is integrally formed with guide roller, is connected with some reinforcements between them, and helical gear passes through first Screw is fixed with guide roller.

The driving means also include the stroke limit structure being connected with Helical gear Transmission component.

The stroke limit structure includes first gear, reduction gearing and the second gear for being intermeshed transmission, and they are equal It is arranged on the top of case lid；Helical gear shaft is stretched out case lid and is connected with first gear, and reduction gearing passes through first gear axle The top of case lid is rotatably connected on, second gear is rotatably connected on the top of case lid by second gear axle；Second gear passes through Second screw fixes limited location shift fork.

The beneficial effects of the utility model are as follows：

By the technical scheme of above-mentioned employing, boss is set in the head end of motor shaft, axle sleeve is set in reduction box, boss is made Be rotatably connected in axle sleeve, effectively can reduce the radially wobbling of motor shaft when driving means work, and control it is optimum tiltedly In the range of gear worm engagement, operating noise, the effect for extending working life, improving work efficiency is reduced.

In addition, by optimizing motor shaft worm screw, specifically optimizing the screw thread on worm screw so as to launch helical angle less than helical teeth The angle of friction of worm and gear contact, makes driving means have reverse self-locking function, i.e., can only drive helical gear by worm screw, and can not be by oblique Gear driven worm screw.

Description of the drawings

Axonometric charts one of the Fig. 1 for one embodiment of this utility model.

Axonometric charts two of the Fig. 2 for one embodiment of this utility model.

Exploded views one of the Fig. 3 for one embodiment of this utility model.

Exploded views two of the Fig. 4 for one embodiment of this utility model.

Fig. 5 is the axonometric chart that one embodiment of this utility model takes case lid apart.

Fig. 6 is the sectional view that one embodiment of this utility model takes case lid apart.

Axonometric charts of the Fig. 7 for one embodiment reduction box of this utility model.

Axonometric charts of the Fig. 8 for one embodiment Helical gear Transmission component of this utility model.

Axonometric charts of the Fig. 9 for one embodiment axle sleeve of this utility model.

Specific embodiment

Below in conjunction with the accompanying drawings and embodiment is further described to this utility model.

Referring to Fig. 1-Fig. 9, this electric clothes hanger driving means, including motor 1 and reducing gear, reducing gear includes slowing down Case 2, two for being provided at its inner portion group Helical gear Transmission component and lid are connected on the case lid 21 on reduction box 2, the motor shaft 11 of motor 1 Stretch in reduction box 2 and with two groups of Helical gear Transmission component engaged transmissions；The head end of motor shaft 11 is provided with boss 111, reduction box 2 The position of correspondence boss 111 is provided with axle sleeve 3, and boss 111 is rotatably connected in axle sleeve 3, and 11 two ends of motor shaft are provided with 411 He of steel ball 412, the steel ball 411 and axle sleeve 3 of head end is against the steel ball 412 of tail end is with the shell of motor 1 against the improved technical scheme Play a part of balance motor axle 11, can effectively reduce the radially wobbling of motor shaft 11 when driving means work, and control In the range of optimum helical gear worm engaging, operating noise, the work for extending working life, improving work efficiency is reduced With.

Further, the middle part of motor shaft 11 is the running part with two groups of Helical gear Transmission component engaged transmissions, transmission Part is worm structure, and the expansion helical angle of worm screw is 6 ° -9 °, and the angle of friction of helical teeth worm and gear contact is 4 ° -7 °, and worm screw Launch angle of friction of the helical angle less than the contact of helical teeth worm and gear.By optimizing motor shaft worm screw, specifically optimize the spiral shell on worm screw Stricture of vagina so as to launch angle of friction of the helical angle less than the contact of helical teeth worm and gear, make driving means have reverse self-locking function, i.e., can only be by Worm screw（That is motor shaft 11）Helical gear 22 is driven, and worm screw can not be driven by helical gear 22（That is motor shaft 11）.Such as dry in the air electronic Unexpected power-off in clothes hanger lifting process, its reverse self-locking function can play safeguard protection effect, do not result in clothes-horse landing and hurt sb.'s feelings.

Further, on motor shaft 11, the internal face of correspondence reduction box 2 is provided with least one set annular slot 112, annular snap Jump ring 113 is connected with groove 112, makes motor shaft 11 more stable when being more stably arranged in reduction box 2 and work；Reduction box The end-position of 2 correspondence motor shafts 11 is provided between the tail end of bearing chamber 26, bearing chamber 26 and motor shaft 11 and is provided with bearing, Make that the rotation of motor shaft 11 is more steady, frictional force is less, and those skilled in the art is appreciated that.

Further, boss 111 is cylinder, and the outside dimension of boss 111 is processed less than the outside dimension of motor shaft 11 Convenient, less 111 axiality of boss is higher, and those skilled in the art is appreciated that.

Further, the axle sleeve 3 of the present embodiment is clamping screw, and its afterbody is provided with interior counterbore 31；The radial direction of interior counterbore 31 Outside dimension of the size more than or equal to boss 111, interior counterbore 31 entangle boss 111, disclosure satisfy that 11 turns of motor shaft of raising Axiality when dynamic, ensure that motor shaft 11 will not be waved when rotating.

Further, axle sleeve 3 is clamping screw, and its afterbody is provided with interior counterbore 31；The radial dimension of interior counterbore 31 be more than or Equal to the outside dimension of boss 111, interior counterbore 31 entangles boss 111, and the steel ball 411 of head end is located on the end face of boss 111 And be resisted against on the inner bottom surface of interior counterbore 31；The steel ball 412 of tail end is located in motor shaft 11, and with the shell of motor 1 against which By adjusting axle sleeve 3（That is clamping screw）With the pretension degree of reduction box 2, steel ball 411 and 412 is enable to produce with motor shaft 1 Enough frictional force, so that further improve worm screw（That is motor shaft 11）Self-locking property.In addition, above-mentioned liner hole 31 can be direct Substituted with the form of abutment face, the steel ball 411 of head end can also be arranged on axle sleeve 3（That is clamping screw）Afterbody, now, boss With steel ball 411,111 end face abuts that those skilled in the art is appreciated that.

Further, the outer surface of axle sleeve 3 is provided with screw thread and is threadedly coupled with reduction box 2, and the head of axle sleeve 3 is provided with cross tune A section groove 32 or regulation groove, can tighten axle sleeve 3 by Phillips screwdriver or straight screwdriver, axle sleeve 3 can use working of plastics or Metal is made, and fine thread of the screw thread for M6-M10, with locking auto-lock function.

Further, Helical gear Transmission component includes helical gear 22, helical gear shaft 23 and the guide roller that coaxial transmission is arranged 24, helical gear 22 and 11 engaged transmission of motor shaft, 24 surface of guide roller is provided with winding slot 241, for coiling, prevents line from twining mutually Around.More specifically, helical gear shaft 23 is metal material, and helical gear 22 formed using plastic injection, helical gear 22 and helical gear Axle 23 coordinates for gap, and helical gear shaft 23 is integrally formed with guide roller 24, is connected with some reinforcements 242, helical teeth between them Taking turns 22 radial equipartitions has the through hole of two or more polygon or circle, and corresponding guide roller is provided with counterbore or through hole, uses Helical gear 22 is fixed with guide roller 24 by the first screw 25.Meet deceleration, transmission, the application target of coiling.

Further, driving means also include the stroke limit structure being connected with Helical gear Transmission component.Stroke is limited Bit architecture includes first gear 41, reduction gearing 42 and the second gear 43 for being intermeshed transmission, and they are arranged at case lid 21 Top；Helical gear shaft 23 is stretched out case lid 21 and is connected with first gear 41, and the end of the helical gear shaft 23 is provided with flat position Structure, to be preferably driven with first gear 41, reduction gearing 42 is rotatably connected on the top of case lid 21 by first gear axle 44 Portion, second gear 43 are rotatably connected on the top of case lid 21 by second gear axle 45；Second gear 43 passes through the second screw 46 Fixed limited location shift fork 47.The operation principle of stroke limit structure is：Above-mentioned three groups of gears are driven successively by helical gear shaft 23 Slow down, the number of turns that guide roller 24 is rotated converts the rotating cycle of shift fork 47 according to the ratio of 0.15-0.3, shift fork 47 is rotated to Certain position can touch mechanical switch respectively（Do not mark in figure）, make motor 1 stop motor work.Which can be used in adjusting electronic The lifting demand of clothes hanger differing heights, when initial（Electric clothes hanger is raised to top）, shift fork 47 withstands outside mechanical switch, electric Machine quits work；When electric clothes hanger drops to requirement height, shift fork 47 withstands another outside mechanical switch, and motor stops Work；In the same manner, by the relative position of shift fork 47, scalable goes out the state that different falling heads stop, and reaches and adjusts electronic drying in the air The purpose of clothes hanger stroke positioning.

Above disclosed is only preferred embodiment of the present utility model, rather than of the present utility model to limit with this Claims, according to the equivalent variations made in this utility model protection domain, still belong to what this utility model was protected Scope.

Claims

1. a kind of electric clothes hanger driving means, including motor（1）And reducing gear, reducing gear includes reduction box（2）, arrange Reduction box is connected in its two groups of internal Helical gear Transmission component and lid（2）On case lid（21）, it is characterised in that the motor （1）Motor shaft（11）Stretch into reduction box（2）It is interior and with two groups of Helical gear Transmission component engaged transmissions；The motor shaft（11）'s Head end is provided with boss（111）, reduction box（2）Correspondence boss（111）Position be provided with axle sleeve（3）, boss（111）It is rotatably connected on Axle sleeve（3）It is interior, motor shaft（11）Two ends are provided with steel ball（411,412）, the steel ball of head end（411）With axle sleeve（3）Against tail end Steel ball（412）With motor（1）Shell against.

2. electric clothes hanger driving means according to claim 1, it is characterised in that：The motor shaft（11）Middle part be with The running part of two groups of Helical gear Transmission component engaged transmissions, running part is worm structure, the expansion helical angle of the worm screw For 6 ° -9 °, the angle of friction of helical teeth worm and gear contact is 4 ° -7 °, and the expansion helical angle of worm screw is less than the contact of helical teeth worm and gear Angle of friction.

3. electric clothes hanger driving means according to claim 1, it is characterised in that：The motor shaft（11）Upper correspondence is slowed down Case（2）Internal face be provided with least one set annular slot（112）, annular slot（112）On be connected with jump ring（113）；Reduction box （2）Correspondence motor shaft（11）End-position be provided with bearing chamber（26）, bearing chamber（26）With motor shaft（11）Tail end it Between be provided with bearing.

4. electric clothes hanger driving means according to claim 1, it is characterised in that：The boss（111）It is for cylinder, convex Platform（111）Outside dimension be less than motor shaft（11）Outside dimension.

5. electric clothes hanger driving means according to claim 1, it is characterised in that：The axle sleeve（3）For clamping screw, its Afterbody is provided with interior counterbore（31）Or against end face；Interior counterbore（31）Radial dimension be more than or equal to boss（111）Outer diameter ruler It is very little, interior counterbore（31）Boss（111）Entangle, the steel ball of head end（411）Positioned at boss（111）End face on and be resisted against it is interior heavy Hole（31）Inner bottom surface or against on end face；Or, the axle sleeve（3）For clamping screw, the steel ball of head end（411）Positioned at its tail Portion, boss（111）End face and steel ball（411）Abut；

The steel ball of the tail end（412）Positioned at motor shaft（11）It is interior, and and motor（1）Shell against.

6. electric clothes hanger driving means according to claim 1, it is characterised in that：The axle sleeve（3）Outer surface be provided with Screw thread and reduction box（2）Threaded connection, axle sleeve（3）Head be provided with cross regulating tank（32）Or regulation groove or an interior hexagonal.

7. electric clothes hanger driving means according to any one of claim 1-6, it is characterised in that：The Helical gear Transmission group Part includes the helical gear that coaxial transmission is arranged（22）, helical gear shaft（23）And guide roller（24）, helical gear（22）With motor shaft （11）Engaged transmission, guide roller（24）Surface is provided with winding slot（241）.

8. electric clothes hanger driving means according to claim 7, it is characterised in that：The helical gear shaft（23）With guide roller （24）It is integrally formed, between them, is connected with some reinforcements（242）, helical gear（22）By the first screw（25）With guide roller （24）It is fixed.

9. electric clothes hanger driving means according to claim 7, it is characterised in that：The driving means also include and helical teeth The stroke limit structure that wheel transmission component is connected.

10. electric clothes hanger driving means according to claim 9, it is characterised in that：The stroke limit structure includes phase The first gear of mutual engaged transmission（41）, reduction gearing（42）And second gear（43）, they are arranged at case lid（21）Top Portion；Helical gear shaft（23）Stretch out case lid（21）And and first gear（41）It is connected, reduction gearing（42）By first gear Axle（44）It is rotatably connected on case lid（21）Top, second gear（43）By second gear axle（45）It is rotatably connected on case lid （21）Top；Second gear（43）By the second screw（46）Fixed limited location shift fork（47）.