CN207453851U - The anti-reverse dropping device of roller shutter - Google Patents

Abstract

A kind of anti-reverse dropping device of roller shutter, comprising：One side seat, is internally provided with an accommodating space；One anti-rotation unit has an at least actuated piece and an at least stop part, may be contained within the appropriate position of the accommodating space of side seat；And single-revolution wheel assembly, it is arranged in the accommodating space of side seat, which has a storage spring wheel disc, a winding wheel disc and a scrollwork reed, has certain backrush power, which is arranged between the storage spring wheel disc and the winding wheel disc；And a fastening end is equipped at the scrollwork spring surface；Whereby, when when the scrollwork reed unrolls in storage spring wheel disc to the tail end, it is then resisted at the stop part of the anti-rotation unit by the fastening end of the scrollwork reed, and make the scrollwork reed will not because the power of reverse turn is excessive, excessive velocities or excessively reversion etc. factors, the connection terminal of the scrollwork reed is caused to come off in the winding wheel disc and lose the reversion dropping device of the generations such as rotating function.

Description

The anti-reverse dropping device of roller shutter

Technical field

The utility model relates to a kind of anti-reverse dropping device of roller shutter, when espespecially a kind of roller shutter up furls and It prevents its internal scrollwork reed when reverse turn in the state that comes off, and roller shutter is made to lose pulled down lowering or up retracting etc. The reversion dropping device of function.

Background technology

Traditional curtain is all to adopt drawstring to be used as control movement, such as Roman shade, folding neck curtain or pleated blinds, drawstring Part can be moved to both hands by typically being hung down by upper beam, when pulling drawstring, curtain can be controlled to do horizontal shifting with this It is dynamic, a side that lofty drawstring appears in the curtain is had after dragline type curtain installing, influences beautiful and makes when in use The drawstring that user must arrive curtain in person is operated, and can not far distance controlled lifting action, convenience is substantially insufficient, and family In when having child, it is just very possible because being difficult to earn when child is because of curiosity or exposed drawstring is wound in neck by while playing accidentally De- and accident that strangulation is lethal, causes anxiety for the safety of child.Therefore to exempt the use of exposed drawstring, market occurs a kind of Cordless curtain its mainly include a scrolling unit, a curtain and a springy swing mechanism, the scrolling unit and be equipped with One consolidates with the axle center that the swing mechanism is in connection status, the top of the curtain and the axle center of the scrolling unit, and the curtain is borrowed It is arranged in pairs or groups from the axle center with the swing mechanism and rotates and can coat and be wound on the outside of the axle center or put to last volume, therefore operated Use upper great safe and convenient characteristic.

According to above-mentioned common structure, which is rotated with swing mechanism collocation by the axle center of the scrolling unit and is in automatic volume Receive, when curtain needs up to furl, can the quick retracting upwards by swing mechanism, make its using when be not required to it is laborious just can be fast Speed packs up curtain, but when in use may the factors such as or excessive reversion too fast because of rolling speed, and take off the shrapnel inside it Fall, expected pulled down lowering or the up functions such as retracting can not be generated when reusing, must just ask professional One group of new swing mechanism is repaired or replaced, improves part in still having not attaining in practical application, actually a big drawback problem, and Urgently improved.

The content of the invention

The main purpose of the utility model is to be：It provides when a kind of roller shutter up furls and prevents the scrollwork inside it Reed when reverse turn in coming off state, and make roller shutter lose pulled down lowering or up the reversion of the functions such as retracting come off dress It puts.

In order to achieve the above object, a kind of anti-reverse dropping device of roller shutter of the utility model, comprising：One side seat, an anti-rotation list Member and single-revolution wheel assembly, it is characterised in that：Wherein：

Side seat, is internally provided with an accommodating space, which is equipped with an at least fixing axle and an at least through hole；

The anti-rotation unit has an at least actuated piece, is arranged at the accommodating space of side seat and corresponds to the through hole；With And an at least stop part, be arranged in the accommodating space of side seat and positioned at the actuated piece and the side fixation between centers it is appropriate At position；And

The revolution wheel assembly is arranged in the accommodating space of side seat, which has a storage spring wheel disc, wherein The heart is equipped with a centre bore, by the centre bore storage spring wheel disc is made to be arranged at the fixing axle of side seat in rotary state； And circular groove that is recessed equipped with one in the storage spring wheel disc outer edge surface and being formed；One winding wheel disc, center are equipped with a centre bore, It makes the winding wheel disc be arranged at the actuated piece of the anti-rotation unit in rotary state by the centre bore；And in the reel The circular groove that disk outer edge surface is recessed equipped with one and is formed；And a scrollwork reed, there is certain backrush power, be set around the storage At spring wheel disc, which is formed with a connection terminal, to be connected at the winding wheel disc, makes the scrollwork reed one End is set around at the winding wheel disc and is showed a link like state in different directions, and the scrollwork reed is made to be arranged at the storage spring wheel disc and the volume Between wheel disc；And a fastening end is equipped at the scrollwork spring surface, the appropriate position around the connection terminal, to Coordinate the stop part of the anti-rotation unit to prevent the scrollwork reed when the reverse turn and in the state that comes off.

Due to the anti-reverse dropping device of the utility model roller shutter, effect is：When the cord of roller shutter up furls, the biography The group of moving axis bar sets end when rotating, while drives the rotation of the reel consolidation body of the revolution wheel assembly, by being located at the volume Its drive of scrollwork reed between wheel disc and the storage spring wheel disc, makes the winding wheel disc be generated respectively clockwise with the storage spring wheel disc It rotates and rotates counterclockwise, rotated counterclockwise down since the scrollwork reed for being set around the winding wheel disc is not affected by the winding wheel disc The influence of power is pullled, makes the backrush power that the scrollwork reed has by itself to unroll automatically at the storage spring wheel disc, makes roller shutter Cord be presented up rolled condition, and when the scrollwork reed unrolls in storage spring wheel disc to the tail end, passing through the scrollwork spring The fastening end of piece is then resisted at the stop part of the anti-rotation unit, and make the scrollwork reed will not because the power of reverse turn is excessive, Excessive velocities or the excessively factors such as reversion, cause to cause the connection terminal of the scrollwork reed to come off in the winding wheel disc and lose rotation The generations such as function；Whereby, and then provide when a kind of roller shutter up furls and prevent that scrollwork reed is in excessive reversion inside it In the state that comes off when dynamic, and roller shutter is made to lose pulled down lowering or up the reversion dropping device of the functions such as retracting.

Description of the drawings

Fig. 1 is the stereogram of the first preferred embodiment of the utility model.

Fig. 2 is the three-dimensional exploded view of the first preferred embodiment of the utility model.

Fig. 3 is the use state diagram (one) of the first preferred embodiment of the utility model.

Fig. 4 is the use state diagram (two) of the first preferred embodiment of the utility model.

Fig. 5 is the use state diagram (three) of the first preferred embodiment of the utility model.

Fig. 6 is the use state diagram (four) of the first preferred embodiment of the utility model.

Fig. 7 is the use state diagram (five) of the first preferred embodiment of the utility model.

Fig. 8 is the schematic diagram of the second preferred embodiment of the utility model.

Fig. 9 is the schematic diagram of the 3rd preferred embodiment of the utility model.

Figure 10 is the schematic diagram of the 4th preferred embodiment of the utility model.

Specific embodiment

First, please refer to Fig.1 to the preferably implementation of anti-reverse dropping device first for shown in Figure 10, being the utility model roller shutter Example structure explanation and use state explanation；Comprising：One side 1, one anti-rotation unit 2 of seat and single-revolution wheel assembly 3, wherein：

Side seat 1, it is whole that a predetermined kenel is presented, an accommodating space 10 is internally provided with, which is equipped with One fixing axle 111 and a through hole 112；

The anti-rotation unit 2 has an at least actuated piece 21, is arranged at the accommodating space 10 of side seat 1 and leads to corresponding to this At hole 112；And an at least stop part 22, selected from any one of rigid material or flexible soft material, it is arranged at Appropriate position between the fixing axle 111 of the actuated piece 21 and side seat 1 in the accommodating space 10 of side seat 1；And

The revolution wheel assembly 3 is arranged in the accommodating space 10 of side seat 1, which has a storage spring wheel disc 31, center is equipped with a centre bore 311, by the centre bore 311 the storage spring wheel disc 31 is made to be arranged at the fixation of side seat 1 It is in rotary state at axis 111；And circular groove 312 that is recessed equipped with one in 31 outer edge surface of storage spring wheel disc and being formed；One winding Wheel disc 32, center are equipped with a centre bore 321, by the centre bore 321 the winding wheel disc 32 are made to be arranged at the anti-rotation list It is in rotary state at the actuated piece 21 of member 2；And circular groove that is recessed equipped with one in 32 outer edge surface of winding wheel disc and being formed 322；And a scrollwork reed 33, there is certain backrush power, be set around at the storage spring wheel disc 31,33 one end shape of scrollwork reed Cheng Youyi connection terminals 331 to be connected at the winding wheel disc 32, make 33 one end of scrollwork reed winding in different directions Be showed a link like state at the winding wheel disc 32, make the scrollwork reed 33 be arranged at the storage spring wheel disc 31 and the winding wheel disc 32 it Between；And a fastening end 332 is equipped at 33 surface of scrollwork reed, positioned at the 331 surrounding appropriate position of connection terminal, to Coordinate the stop part 22 of the anti-rotation unit 2 to prevent the scrollwork reed 33 when the reverse turn and in the state that comes off；And the fastening end It needs that there is certain space between 332 and 33 surface of scrollwork reed, plugs and insert for the stop part 22 of the anti-rotation unit 2；

By described in more than structure, hereby illustrate further as rear：

Set revolution wheel assembly 3, the centre bore 3 of the winding wheel disc 32 in the accommodating space 10 of its foregoing side seat 1 21 entirety are stepped and form one and wear 3211 and one positioning area 3212 of area；And this wears area 3211 for the anti-rotation unit 2 Actuated piece 21 is worn；

Wherein its entirety of the actuated piece 21 is stepped, and 21 one end of actuated piece is made to be formed with a pivot end 211, is corresponded to Area 3211 is worn in positioning states and positioned at the centre bore 321 of the winding wheel disc 32 in the through hole 112；And the other end is then formed There is a driving end 212, be located at the positioning area 3212 of the centre bore 321 of the winding wheel disc 32 and in exposed state；

The positioning area 3212 of the centre bore 321 of the winding wheel disc 32 is pivoted positioning for a transmission shaft lever 4, the biography 4 its one end of moving axis bar defines one group and sets end 41, and sets end 41 in the group and be equipped with a drive hole 411 in recess extension shape, End 41 is set by the group to make the positioning area 3212 of the centre bore 321 of the transmission shaft lever 4 and the winding wheel disc 32 in the positioning that is pivoted State, and the driving end 212 of the actuated piece 21 is then located at the group and sets in the drive hole 4 11 at end 41；The group of the transmission shaft lever 4 again If end 41 and the positioning area 3212 of the centre bore 321 of the winding wheel disc 32, the two profile is polygonal kenel；

The driving end 212 of the actuated piece 21 further has additional a gasket 23 and a drivening piece 24, the drivening piece 24 are located at 23 front of gasket and move forward and backward state in the driving end 212 and be placed in the group of the transmission shaft lever 4 and set end In 41 drive hole 411, by the gasket 23 the drivening piece 24 to be prevented to be moved in the driving end 212 at the gasket 23 And in deadlock state；The group of the transmission shaft lever 4 sets drive hole 411 and the drivening piece 24 at end 41 again, and the two profile is polygonal Shape kenel；Special one carries, which is selected from rubber material or plastic material made by any one；And the drivening piece 24 is then selected from Nut；

Furthermore the pivot end 211 of the actuated piece 21 is further equipped with a screw hole 2111 in recess extension shape；And it arranges in pairs or groups One locking part 25 is pivoted via side seat 1 and screw lock is fixed on the screw hole 2111 of the pivot end 211, makes the actuated piece 21 whole Body is in stationary state；

Wherein side seat 1 is formed by a housing 11 and 12 relative combinations of a cover, and 11 one end of housing is recessed And the foregoing accommodating space 10 is formed, and it is interior equipped with multiple panel plugs grooves 113 in the accommodating space 10；And 12 one end of cover is then Equipped with multiple part 121 is plugged in the state that corresponds with each panel plugs groove 113；Correspond to the foregoing through hole 112 with one and supply to be somebody's turn to do The actuated piece 21 of anti-rotation unit 2 is worn the hole 122 that is pivoted in emergence state；And the poroid of the hole 1 22 that is pivoted is the transmission The group of axostylus axostyle 4 sets 41 appearance profiles of end；

The described housing 11 and the cover 12, its medial roof endface of the two are further equipped with a state in extension of shape and tool There is the locking plate 114,123 of hole position；And the card of a state in extension of shape is respectively provided at its inside top left and right ends of the cover 12 Tug end 124；

Whereby, when the utility model is in installing, the clamping end 124 of the cover 12 of side seat 1 is inserted in the roller shutter At retaining rail；Even, one bolt of collocation is hubbed at the hole position of the housing 11 and the locking plate 114,123 of the cover 12 and is locked in In stationary state at the retaining rail of the roller shutter, and its top of the cord of the roller shutter is fixedly linked at the transmission shaft lever 4, it can Cord is made to be rotated according to the transmission shaft lever 4 and pulled down lowering or up rolled condition its roller shutter is installed in the transmission shaft lever 4 Place, in use, during by the way that the cord of roller shutter is carried out pulled down lowering, which is subject to cord toward drop-down Moving influences in rotary state, and the group of the transmission shaft lever 4 is made to set end 41 while drive the winding wheel disc 32 of the revolution wheel assembly 3 whole The rotation of body, and the winding wheel disc 32 is in rotation process, by being located between the winding wheel disc 32 and the storage spring wheel disc 31 Scrollwork reed 33 drives, and the winding wheel disc 32 is made to be generated respectively with the storage spring wheel disc 31 and rotates counterclockwise and rotates clockwise, into And the scrollwork reed 33 that drive is influenced be subject to backrush power in itself and is arranged at the storage spring wheel disc 31 is slowly shifted in the winding wheel disc At 32 and in winding state, and the transmission shaft lever 4 makes the group of the transmission shaft lever 4 set the drive held inside 41 in rotary course Hole 411 drives the drivening piece 24 at the driving end 212 of the actuated piece 21 that the cord of roller shutter is presented in state is displaced outwardly simultaneously Lowering state down；

Furthermore when without using and when need to the cord of roller shutter up be furled, when the group of the transmission shaft lever 4 sets end 41 in rotation When, while the 32 whole rotation of winding wheel disc of the revolution wheel assembly 3 is driven, by being located at the winding wheel disc 32 and the storage spring wheel Its drive of scrollwork reed 33 between disk 31, make the winding wheel disc 32 generated respectively with the storage spring wheel disc 31 rotate clockwise with it is inverse Hour hands rotate, since the scrollwork reed 33 for being set around the winding wheel disc 32 is not affected by the drop-down that the winding wheel disc 32 rotates counterclockwise The influence of power is pulled, makes the backrush power that the scrollwork reed 33 has by itself to unroll automatically at the storage spring wheel disc 31, makes volume The cord of curtain is presented up rolled condition, and when the scrollwork reed 33 unrolls in the storage spring wheel disc 31 to tail end, by this The fastening end 332 of scrollwork reed 33 is then resisted at the stop part 22 of the anti-rotation unit 2, and makes the scrollwork reed 33 will not be because anti- The power of rotation is excessive, excessive velocities or excessive factors such as reversion, cause to cause the scrollwork reed 33 connection terminal 331 come off in The winding wheel disc 32 and lose rotating function；Whereby, and then provide when a kind of roller shutter up furls and prevent from being somebody's turn to do inside it Scrollwork reed 33 in coming off state, and makes roller shutter lose pulled down lowering or the up functions such as retracting when excessive reverse turn Invert dropping device；

Even, when the cord of roller shutter is wound to tail end, by the transmission shaft lever 4 in rotary course, the transmission shaft is made The group of bar 4 sets the drive hole 411 inside end 41 while drives the drivening piece 24 at the driving end 212 of the actuated piece 21 in inside Displacement and retreat at the gasket 23, since the gasket 23 is selected from any one of rigid material or flexible soft material, If rotation is too fast when the cord of roller shutter is in retracting, by the gasket 23 to prevent the drivening piece 24 from making in the driving end 212 It is moved at the gasket 23 and is in deadlock or the disturbances such as blocks and occur；

Furthermore it illustrates further, the utility model is in addition to above-mentioned first preferred embodiment illustrates, the utility model gyroscope wheel group The storage spring wheel disc 31 of part 3, winding wheel disc 32 and 33 visual demand of scrollwork reed and be incremented by it is multiple, as described below：

Second preferred embodiment：When the storage spring wheel disc 31 is multiple, and the winding wheel disc 3 with its quantity of the scrollwork reed 33 When 2 its quantity are single a kenel, those storage spring wheel discs 31 are then left and right modes of emplacement, and are set around those storage spring wheel discs 31 Scrollwork reed 33 be then connected at the winding wheel disc 32, so as to rotary force caused by raising, and generate pulling function, and be somebody's turn to do Side seat 1, its whole detailed construction of the anti-rotation unit 2 and the revolution wheel assembly 3 are identical in foregoing use state with its use state, So it will not be repeated, as shown in Figure 8；

3rd preferred embodiment：When the storage spring wheel disc 31 is multiple, and the winding wheel disc 3 with its quantity of the scrollwork reed 33 When 2 its quantity are then single a kenel, those storage spring wheel discs 31 are stacked manner, and the circular groove 322 of the winding wheel disc 32 is then more It is a, it is then connected at each circular groove 3 22 of the winding wheel disc 32 for the scrollwork reed 33 for being set around those storage spring wheel discs 31, so as to Rotary force caused by raising, and generate pulling function, and side seat 1, the anti-rotation unit 2 and its entirety of the revolution wheel assembly 3 Detailed construction is identical in foregoing use state with its use state, and so it will not be repeated, as shown in Figure 9；

4th preferred embodiment：Storage spring wheel disc 31, winding wheel disc 32 and scrollwork reed 33 when the revolution wheel assembly 3 Then it is left and right modes of emplacement when its quantity is multiple and identical consistent, and the 32 one side ora terminalis of each winding wheel disc is in gear Shape, it is to drive the revolution wheel assembly 3 in rotary state with gear drive to make between those winding wheel discs 32, so as to reaching mutual biography Lead rotary force, and generate pulling function, and side seat 1, its whole detailed construction of the anti-rotation unit 2 and the revolution wheel assembly 3 with Its use state is identical in foregoing use state, and so it will not be repeated, as shown in Figure 10.

In summary described, a kind of anti-reverse dropping device of roller shutter had not seen all books and periodicals or had openly used again, really accorded with Close new patent application important document.The above is the specific embodiment of the utility model and the technical principle used, Ruo Yibenxin The change that the conception of type is made, should all during the spirit that generated function is still covered without departing from specification and schema In the scope of the utility model.

Claims (10)

1. a kind of anti-reverse dropping device of roller shutter, comprising：One side seat, an anti-rotation unit and single-revolution wheel assembly, feature exist In：Wherein：

Side seat, is internally provided with an accommodating space, which is equipped with an at least fixing axle and an at least through hole；

The anti-rotation unit has an at least actuated piece, is arranged at the accommodating space of side seat and corresponds to the through hole；And extremely A few stop part, is arranged in the accommodating space of side seat and positioned at the appropriate location of the actuated piece and the fixation between centers of side seat Place；And

The revolution wheel assembly is arranged in the accommodating space of side seat, which has a storage spring wheel disc, and center is set There is a centre bore, by the centre bore storage spring wheel disc is made to be arranged at the fixing axle of side seat in rotary state；And in The circular groove that the storage spring wheel disc outer edge surface is recessed equipped with one and is formed；One winding wheel disc, center are equipped with a centre bore, lead to It is in rotary state to cross the centre bore and the winding wheel disc is made to be arranged at the actuated piece of the anti-rotation unit；And in outside the winding wheel disc The circular groove that edge face is recessed equipped with one and is formed；And a scrollwork reed, there is certain backrush power, be set around the storage spring wheel Pan Chu, the scrollwork reed one end are formed with a connection terminal, to be connected at the winding wheel disc, make the scrollwork reed one end with Different directions are set around at the winding wheel disc and are showed a link like state, and the scrollwork reed is made to be arranged at the storage spring wheel disc and the reel Between disk；And a fastening end, the appropriate position around the connection terminal, to coordinate are equipped at the scrollwork spring surface The stop part of the anti-rotation unit is to prevent the scrollwork reed when the reverse turn and in the state that comes off.

2. the anti-reverse dropping device of roller shutter as described in claim 1, it is characterised in that：Wherein institute in the accommodating space of side seat The revolution wheel assembly of setting, the centre bore of the winding wheel disc is integrally stepped and forms one and wears area and a positioning area；Again should The actuated piece that area is worn for the anti-rotation unit is worn, it is whole stepped for the actuated piece, and the actuated piece one end is made to be formed There is a pivot end, correspond to the through hole in positioning states and wear area positioned at the centre bore of the winding wheel disc；And the other end A driving end is then formed with, is located at the positioning area of the centre bore of the winding wheel disc and in exposed state.

3. the anti-reverse dropping device of roller shutter as claimed in claim 2, it is characterised in that：The wherein centre bore of the winding wheel disc Positioning area is pivoted positioning for a transmission shaft lever, which defines one group and set end, and sets end in the group and set There is a drive hole in recess extension shape, end is set by the group to make determining for the transmission shaft lever and the centre bore of the winding wheel disc Position area is in the positioning states that are pivoted, and the driving end of the actuated piece is then set positioned at the group in the drive hole at end；And the transmission shaft lever Group sets end and the positioning area of the centre bore of the winding wheel disc, and the two profile is polygonal kenel.

4. the anti-reverse dropping device of roller shutter as claimed in claim 3, it is characterised in that：Wherein the driving end of the actuated piece more into One step has additional a gasket and a drivening piece, which is located at gasket front and moves forward and backward state in the driving end And the group for being placed in the transmission shaft lever is set in the drive hole at end, by the gasket to prevent the drivening piece from making position in the driving end It moves at the gasket and in deadlock state；The group of the transmission shaft lever sets the drive hole at end again and the drivening piece, the two profile are Polygonal kenel.

5. the anti-reverse dropping device of roller shutter as claimed in claim 2, it is characterised in that：Wherein the pivot end of the actuated piece more into One step is equipped with a screw hole in recess extension shape；And a locking part of arranging in pairs or groups is pivoted and screw lock is fixed on the pivot via side seat The screw hole at end is connect, it is in integrally stationary state to make the actuated piece.

6. the anti-reverse dropping device of roller shutter as claimed in claim 5, it is characterised in that：Wherein side seat is by a housing and one Cover relative combinations and formed, the shell one end is recessed and forms the foregoing accommodating space, and is set in the accommodating space There are multiple panel plugs grooves；The cover one end then plugs part with each panel plugs groove equipped with multiple in the state that corresponds again；It is corresponding with one In the foregoing through hole actuated piece of the anti-rotation unit is supplied to be worn the hole that is pivoted in emergence state.

7. the anti-reverse dropping device of roller shutter as described in claim 1, it is characterised in that：The wherein storage spring wheel of the revolution wheel assembly Disk winds wheel disc and the visual demand of scrollwork reed and is incremented by multiple.

8. the anti-reverse dropping device of roller shutter as claimed in claim 7, it is characterised in that：Wherein when the storage spring wheel disc and the scrollwork Reed its quantity is multiple, and when the winding wheel disc its quantity is single a kenel, those storage spring wheel discs are then left and right placement side Formula, and the scrollwork reed for being set around those storage spring wheel discs is then connected at the winding wheel disc.

9. the anti-reverse dropping device of roller shutter as claimed in claim 7, it is characterised in that：Wherein when the storage spring wheel disc and the scrollwork Reed its quantity is multiple, and when the winding wheel disc its quantity is then single a kenel, those storage spring wheel discs are stacked manner, should The circular groove of wheel disc is wound then to be multiple, each ring of the winding wheel disc is then connected to for the scrollwork reed for being set around those storage spring wheel discs At ditch.

10. the anti-reverse dropping device of roller shutter as claimed in claim 7, it is characterised in that：Wherein when the storage of the revolution wheel assembly Then it is left and right modes of emplacement when spring wheel disc, winding wheel disc and scrollwork reed its quantity are multiple and identical consistent, and this is each Wheel disc one side ora terminalis is wound in gear-like, it is to drive the revolution wheel assembly in turning with gear drive to make between those winding wheel discs Dynamic state.