CN109386224A

CN109386224A - Automatically rise new type auto lifting roller shutter head

Info

Publication number: CN109386224A
Application number: CN201710681850.6A
Authority: CN
Inventors: 肖群伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2019-02-26

Abstract

The invention discloses a kind of new type auto lifting roller shutter heads, including the transmission positioning mechanism being made of head main body axis processed, skull processed, the unidirectional torsional spring of head processed, drive sprocket, planetary gear, planetary wheel carrier, the clutch being made of head clutch pivoted arm processed, head clutch ratchet-gear wheel processed, head clutch sliding sleeve processed, and be made of the position-limit mechanism that head Limit screw processed, head processed limit torsional spring, head stroke-limit nut processed, head limited block processed, snap ring form；Since the frictional force that there is the present invention head metal axle sleeve processed to make the unidirectional torsional spring coiling head main body axis rotation of head processed greatly reduces, also increase head main body axis wearability and rigidity processed, so as to reduce pulling force when curtain stretching, extension, simultaneously, the present invention has position limiting structure, efficiently solves the problems, such as that the easy folding and unfolding of the curtain of automatic winding is excessive and leads to curtain fluctuation of service and influences curtain service life.

Description

Automatically rise new type auto lifting roller shutter head

Technical field

The present invention relates to be mounted in for the automatic rising window shade arrangement such as dust-proof, shading, heat-insulated and insect prevention more particularly to one kind In window shade arrangement of the revolution loading force that helical spring twisting action generates in roll-up spindle as curtain winding driving force, it is equipped with With the automatic-ascending roller blind device for capableing of self-locking and limiting device head.

Background technique

Curtain is the essential product of home life and office space, and curtain can not only be used to shading, sound insulation and dust-proof, but also can Decoration, beautifying household environment, are widely used in family, school and office space.Due to automatic rising curtain dress general at present Setting all is revolution loading force rolling curtain using helical spring, this curtain in retracting especially retracting soon at the end of, It frequently can lead to that curtain shaft stroke is excessive, so that the stability and service life of curtain operation are influenced, accordingly, it is desirable to provide one Kind structure is simple, and operation is reliable, the device of low manufacture cost, so that the head device processed of curtain automatic spacing in winding, thus Guarantee the stability and service life that curtain uses.

Summary of the invention

Based on the deficiencies of the prior art, the purpose of the present invention is to provide a kind of structures simply, operation is reliable, cost of manufacture It is low and make curtain reduce frictional force in stretching, extension and have self-locking and be limited in integrated curtain head device.

To achieve the above object, the present invention provides one kind to rise new type auto lifting roller shutter head, including head master processed automatically Body axis, skull processed, the unidirectional torsional spring of head processed, drive sprocket, planetary gear, planetary wheel carrier, head clutch pivoted arm processed, head clutch ratchet-gear wheel processed It is formed with head clutch sliding sleeve processed, the planetary gear is located on planetary wheel carrier, and the drive sprocket inner ring has and the row Star-wheel meshed gears, the planetary gear are also engaged with the gear of head main body axis one end processed simultaneously, the unidirectional torsion spring set of head processed It is located on head main body axis processed, head clutch pivoted arm one end convex block processed and the short groove phase interworking on planetary wheel carrier other end circumference Close connection, the long recess on head clutch ratchet-gear wheel one end convex block processed and planetary wheel carrier other end circumference, which cooperates, to be connected, head from Conjunction sliding sleeve can slide axially along head main body axis processed and can be by the pin on the boss and skull processed on head clutch sliding sleeve periphery processed Cooperation drives skull rotation processed.

It further include head position limiting structure processed as a preferred embodiment of the present invention, the head position limiting structure processed includes system Head Limit screw, head processed limit torsional spring, head stroke-limit nut processed, head limited block and snap ring processed, head Limit screw processed and head processed The connection of main body axis one end is simultaneously rotated synchronously with head main body axis processed, and head stroke-limit nut processed and head Limit screw processed are that screw thread connects It connects, head limit torsional spring processed is located at head Limit screw processed and head main body axis connection one end processed, and snap ring and head limited block processed are placed in head processed The Limit screw other end, is all respectively used to the stroke range of head stroke-limit nut processed, and head stroke-limit nut one end processed has The boss that head limit torsional spring processed can be stirred, when head stroke-limit nut processed rotates to head limit this end of torsional spring processed, head limit processed Stroke nut one end boss stirs head limit torsional spring processed, so that head stroke-limit nut buffering processed be made to stop.

It is fixed with head metal axle sleeve processed on the axis of the unidirectional torsional spring coiling head main body axis rotation of head processed, it is unidirectional to reduce head processed Frictional force when torsional spring coiling head main body axis rotates；

It further include head clutch sliding sleeve pressure spring processed, the head clutch sliding sleeve pressure spring increase head clutch sliding sleeve processed and head clutch ratchet processed It takes turns the dynamics of engagement and resets head clutch sliding sleeve processed.

Beneficial effects of the present invention: the present invention is mounted in the curtain of automatic winding, due to having head metal axle sleeve processed to make The frictional force of the unidirectional torsional spring coiling head main body axis rotation of head processed greatly reduces, and also increases the wearability of head main body axis rotary shaft processed And rigidity, so as to reduce pulling force when curtain stretching, extension, meanwhile, the present invention has position limiting structure, efficiently solves automatic The curtain of winding be easy folding and unfolding it is excessive and the problem of lead to curtain fluctuation of service and influence curtain service life.

Detailed description of the invention

Fig. 1 is that the present invention rises new type auto lifting roller shutter head explosive view automatically；

Fig. 2 is that the present invention rises new type auto lifting roller shutter head sectional arrangement drawing automatically.

Specific embodiment

With reference to Fig. 1 and Fig. 2, a kind of new type auto lifting roller shutter head of rising provided by the invention, including head main body axis 1 processed, Skull 2 processed, the unidirectional torsional spring 3 of head processed, drive sprocket 4, planetary gear 5, planetary wheel carrier 6, head clutch pivoted arm 7 processed, head clutch ratchet processed Wheel 8, head clutch sliding sleeve 9 processed, head clutch sliding sleeve pressure spring 10 processed, head Limit screw 11 processed, head processed limit torsional spring 12, head processed limit row Journey nut 13, head limited block 14 processed and snap ring 15.

1 one end of head main body axis processed have with 5 meshed gears 1-1 of planetary gear, head main body axis 1 processed is in the unidirectional torsional spring 3 of head processed Head metal axle sleeve 1-2 processed is arranged at 1 rotation of coiling head main body axis, head metal axle sleeve 1-2 processed is synchronous with head main body axis 1 processed to be turned It is dynamic, so that frictional force greatly reduces when unidirectional 3 coiling head main body axis 1 of torsional spring rotation, while also improving head main body axis 1 processed Rigidity and wear-resisting property.Planetary gear 5 is placed on the protruding shaft 6-1 of 6 one end of planetary wheel carrier, and respectively with 4 inner circular tooth of drive sprocket 4-1 and head main body shaft gear 1-1 processed engagement is taken turns, head clutch sliding sleeve pressure spring 10 processed gives 9 axial compressive force of head clutch sliding sleeve processed, so that nibbling Close it is tighter, and head clutch sliding sleeve pressure spring 10 processed along head main body axis 1 processed slide axially at the end of reset in time, head clutch processed turn The boss 7-1 of arm 7 and the short groove 6-2 on 6 circumference of planetary wheel carrier are cooperatively connected, the boss 8-1 of 8 one end of head clutch ratchet-gear wheel processed It is connect with the long recess 6-3 clearance fit on 6 circumference of star wheel frame.

Head Limit screw 11 processed connect with 1 one end of head main body axis processed and rotates synchronously with head main body axis 1 processed, head limit row processed Journey nut 13 is to be threadedly coupled with head Limit screw 11 processed, and head limit torsional spring 12 processed is located at head Limit screw 11 processed and head main body processed Axis 1 connects one end, and 13 one end of head stroke-limit nut processed has the boss 13-1 that can stir head limit torsional spring processed, snap ring 15 and system Head limited block 14 is placed in 11 other end of head Limit screw processed.

When curtain stretching, extension, the rotation of drive sprocket 4 drives planetary wheel carrier 6 to rotate by planetary gear 5, and planetary wheel carrier 6 drives Head clutch pivoted arm 7 processed rotates, and head clutch pivoted arm 7 processed stirs the unidirectional torsional spring 3 of head processed and head clutch ratchet-gear wheel 8 processed, head clutch spine processed The ratchet 8-2 of 8 other end of the gear and ratchet 9-1 of 9 one end of head clutch sliding sleeve processed is plane contact, i.e., head clutch ratchet-gear wheel 8 processed Engaged with head clutch sliding sleeve 9 processed, head clutch sliding sleeve 9 processed at this moment can be driven to rotate, head clutch sliding sleeve 9 processed rotates, head processed from It closes sliding sleeve 9 to cooperate by the pin 2-1 of boss 9-2 and rotation skull 2 processed to drive skull 2 processed to rotate, skull 2 processed drives curtain Shaft (not shown) rotation, to realize the stretching, extension of curtain, while curtain shaft drives head stroke-limit nut 13 processed to card Ring 15 and head limited block 14 processed are close, when stroke-limit nut 13 and when 14 1 face contact of head limited block processed, due to snap ring 15 and The position-limiting action of head limited block 14 processed, curtain are stretched over range, can avoid curtain in this way and stretch overtravel, and lead to curtain The damage of entire control equipment.

When curtain automatic winding, drive sprocket 4 is reversely rotated drives planetary wheel carrier 6 to rotate by planetary gear 5, planetary gear Frame 6 drives head clutch pivoted arm 7 processed to rotate, and head clutch pivoted arm 7 processed reversely rotates 90 degree of feet that can just stir the unidirectional torsional spring 3 of head processed, At this moment the unidirectional torsional spring 3 of head processed locks, and head clutch pivoted arm 7 processed is no longer able to turn, and reversely rotates in head clutch pivoted arm 7 processed to 90 degree In the process, the ratchet 8-2 of 8 other end of the head clutch ratchet-gear wheel processed and ratchet 9-1 of 9 one end of head clutch sliding sleeve processed is contact of incline plane, Make head clutch sliding sleeve 9 processed in the axial direction far from the ratchet 8-2 of 8 other end of head clutch ratchet-gear wheel processed, i.e., head clutch ratchet-gear wheel 8 processed Separated with head clutch sliding sleeve 9 processed, head clutch sliding sleeve pressure spring 10 processed give 9 axial compressive force of head clutch sliding sleeve processed, so as to head processed from Sliding sleeve is closed to reset in time, the boss 9-2 of head clutch sliding sleeve 9 processed in this way and the pin 2-1 for rotating skull 2 processed are detached from and cooperate, thus Rotation skull 2 processed can be made to be freely rotated, automatic winding under the action of curtain shaft (not shown) pretightning force, while curtain turns Axis drives head stroke-limit nut 13 processed close to head processed limit torsional spring 12, when 13 boss of stroke-limit nut stirs head limit processed When the foot of torsional spring 12, since head processed limit torsional spring 12 locks, on the one hand controls curtain and wind stroke, on the other hand limit torsional spring 12 Buffer function, to reduce noise and prevent the damage for causing curtain entirely to control equipment.

Above disclosed is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though The right present invention is disclosed above in the preferred embodiment, however and the non-limiting present invention, any person skilled in the art is not It is detached from the range of technical solution of the present invention, changes or be modified to a little when being made using above-mentioned revealed technology contents The equivalent embodiment of equivalent variations still belongs to the model that the present invention is covered according to equivalent variations made by scope of the present invention patent It encloses.

Claims

1. one kind rises new type auto lifting roller shutter head automatically, it is characterised in that unidirectional including head main body axis processed, skull processed, head processed Torsional spring, drive sprocket, planetary gear, planetary wheel carrier, head clutch pivoted arm processed, head clutch ratchet-gear wheel processed and head clutch sliding sleeve processed, it is described Planetary gear be located on planetary wheel carrier, the drive sprocket inner ring have and the planetary gear meshed gears, the planet Wheel is also engaged with the gear of head main body axis one end processed simultaneously, and the unidirectional torsional spring of head processed is set on head main body axis processed, the system Short groove on head clutch pivoted arm one end convex block and planetary wheel carrier other end circumference, which cooperates, to be connected, head clutch ratchet-gear wheel one processed It holds the long recess on convex block and planetary wheel carrier other end circumference to cooperate to connect, head clutch sliding sleeve processed can be along head main body axis axis processed To sliding and skull processed can be driven to rotate by the bayonet fittings on the boss and skull processed on head clutch sliding sleeve periphery processed.

2. rising new type auto lifting roller shutter head automatically as described in claim 1, it is characterised in that: further include head limit knot processed Structure, the head position limiting structure processed include head Limit screw processed, and head processed limits torsional spring, head stroke-limit nut processed, head limited block processed And snap ring, head Limit screw processed connect with head main body axis one end processed and rotate synchronously with head main body axis processed, head stroke-limit spiral shell processed Mother is to be threadedly coupled with head Limit screw processed, and head limit torsional spring processed is located at head Limit screw processed and head main body axis connection one end processed, Head stroke-limit nut processed has the boss that can stir head limit torsional spring processed, snap ring and head processed limit close to head processed limit one end of torsional spring Position block is placed in head Limit screw processed and limits one end of torsional spring far from head processed, for the limitation to head stop nut stroke processed.

3. rising new type auto lifting roller shutter head automatically as claimed in claim 2, it is characterised in that: the unidirectional torsional spring of head processed around It is arranged with head metal axle sleeve processed on the axis of head main body axis rotation processed, to reduce when the unidirectional torsional spring coiling head main body axis of head processed rotates Frictional force.

4. rising new type auto lifting roller shutter head automatically as claimed in claim 2, it is characterised in that: further include that head clutch processed is sliding Pressure spring is covered, the head clutch sliding sleeve pressure spring processed can not only increase the dynamics that head clutch sliding sleeve processed is engaged with head clutch ratchet-gear wheel processed, but also Can ensure that head clutch sliding sleeve processed leave stroke after reset to the position of engagement in time.