CN201074473Y - Roll curtain device - Google Patents
Roll curtain device Download PDFInfo
- Publication number
- CN201074473Y CN201074473Y CNU2007201104643U CN200720110464U CN201074473Y CN 201074473 Y CN201074473 Y CN 201074473Y CN U2007201104643 U CNU2007201104643 U CN U2007201104643U CN 200720110464 U CN200720110464 U CN 200720110464U CN 201074473 Y CN201074473 Y CN 201074473Y
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- China
- Prior art keywords
- planetary gear
- alloy sleeve
- roller shutter
- planet carrier
- housed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a rolling blind device, comprising a casing. The casing which is arranged in an aluminum alloy sleeve is composed of connecting a planet carrier and a retaining sleeve. The casing is internally equipped with an actuating mechanism of a two-stage planetary gear, a positioning cam and positioning beads. The utility model can roll and unroll the rolling blind slowly by actuating a wind impeller via the two-stage planetary gear, rotating the aluminum alloy sleeve with several-fold high speed, quickly opening the two hollow circular cylinders which are provided with a pin and arranged on the aluminum alloy sleeve, connecting the surface of the aluminum alloy sleeve and the inner surface of the gear ring to generate frictional resistance to enable the aluminum alloy sleeve to rotate slowly. The positioning beads can move along the curved dent on the surface of the cam cylinder. Because the four locked dents of the two positive and negative teams arranged on the surface of the cam cylinder, when the aluminum alloy sleeve rotates or counter-rotates a circle, the positional beads can be located in the locked dents of the positioning cam curve for four times, which can enable the rolling blind to be in the locked state and to conveniently stop rolling and unrolling.
Description
Technical field
The utility model relates to a kind of roller blind device, especially relate to a kind of lifting gear that not only has common roller shutter, and have and roller shutter is slowed down down put volume speed and conveniently stop roller blind device that time putting volume, be particularly suitable for being applied to have own wt and the bigger bamboo roller shutter of width of cloth door.
Background technology
Various forms of roller blind devices are arranged in the market, various in style, be to have effectively to slow down to put volume speed down and make things convenient for roller shutter to stop to put down the roller blind device of volume but do not have a kind of.
Spring roller blind device for example will make when rolling up on the roller shutter, must be with pulling stay cord, utilize the frictional force of stay cord and hand, overcome spring torsion and make roller shutter slowly go up volume, as the roller shutter of letting go then will go up volume fast, and can cause the part of roller blind device and roller shutter to damage when serious.When roller shutter is transferred, must pull down stay cord with the hand effort, to overcome spring torsion, roller shutter is transferred.
Again for example, the bead type roller blind device will make when rolling up on the roller shutter, must pull down stay cord with the hand effort, overcoming roller shutter from weight, though there is the spring torsion in the lifting gear can power-assisted, makes on the roller shutter and rolls up, but still can feel very effort.When roller shutter is transferred, must hold stay cord downwards with hand, though can disappear roller shutter from weight with low by the spring torsion in the lifting gear, you need worry that still the roller shutter lowering velocity is too fast.
Chinese patent 200620102663.5 a kind of roller blind device that makes roller shutter regulate decline, the rate of climb automatically of describing and for example, it is the deceleration device that utilizes a cover third-level planetary gear drive principle.But structure more complicated and because of it is the third-level planetary gear drive, so noise is bigger when work.The needs roller shutter stop to transfer or on when rolling up, no matter prior art is bead type or spring, just rely on stop around coil spring or add the retaining cam and limit, single dependence stop is around coil spring, only in stop around the torsion of coil spring and roller shutter during from balanced, roller shutter just can stop, or adds that the retaining cam limits, as the described retaining cam of above-mentioned patent, also can only in rotating a circle, limit roller shutter secondary.
Wanting roller shutter to transfer or go up volume has a desirable roller shutter height, and the prior art effect is all not ideal.
Summary of the invention
Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of have can make own wt and the bigger roller shutter of width of cloth door effectively slow down the decline rate of climb and make things convenient for roller shutter to stop to put down the roller blind device of volume.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this roller blind device, comprise the rolling shutter lifting device that is installed in aluminium alloy sleeve barrel one end inside, and be installed in slowing down of aluminium alloy sleeve barrel other end inside and put volume speed under the roller shutter and make things convenient for roller shutter to stop to put down the device of volume, wherein can slow down the device of putting volume speed under the roller shutter and making things convenient for roller shutter to stop to put down volume and comprise respectively planet carrier and the retaining sleeve that fixes with aluminium alloy sleeve barrel, connect in the housing that constitutes by planet carrier and retaining sleeve a mandrel frame is housed, one central axis is housed between mandrel frame and the planet carrier, one location cam is housed on the central axis and includes the planet carrier ring gear, planetary gear reducing mechanism that planetary gear and centre wheel constitute and the fan blade that is connected with this mechanism driving, be connected with a torsion spring between positioning cam and the mandrel frame, be provided with the locking mechanism that roller shutter can be held lock-out state between positioning cam and the only logical sleeve.
Described locking mechanism comprises and is located at locating slot and the corresponding curved slot that is located on the positioning cam periphery that ends on the logical sleeve, and being provided with one between locating slot and curved slot can be along the moving positioning bead of trough roller, and curved slot is provided with the locking position.
Described planetary gear reducing mechanism adopts secondary planetary gear reducing mechanism, it comprises the centre wheel that is installed on the central axis, planet axis A and planet axis B are housed respectively on centre wheel and positioning cam, on planet axis A and planet axis B, be set with planetary gear A and planetary gear B, planetary gear A and planetary gear B are divided into two groups and mesh with centre wheel and fan blade respectively, mesh with gear ring simultaneously.
The curved slot of described positioning cam periphery is provided with positive and negative two groups each four locking positions.
Described fan blade has centered cylinder part and is positioned at two hollow cylinder parts of both sides, and the centered cylinder part partly links to each other by the arc elastic sheet with two hollow cylinders, and at two hollow cylinders pin is housed.
Compared with prior art, advantage of the present utility model is:
1. have effectively slow down put volume speed under the bigger roller shutter of own wt and width of cloth door and operating noise little.
2. have and to make things convenient for roller shutter to put volume under stopping.
3. simple and reasonable, cost is low, can gather multi-function in integral whole.
4. good looking appearance is easy for installation.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is the B-B generalized section of Fig. 1;
Fig. 4 is that the curved slot of the positioning cam of Fig. 1 launches schematic diagram;
Fig. 5 is an another kind of overall structure schematic diagram of the present utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 to Fig. 4 shows an embodiment of the present utility model.It comprises the rolling shutter lifting device that is assemblied in aluminium alloy sleeve barrel 3 two respectively and can slow down and put volume speed down and make things convenient for roller shutter to stop to put down the device of volume that wherein rolling shutter lifting device is the prior art structure, therefore no longer describes in detail.
Slow down to descend to put volume speed and make things convenient for roller shutter to stop following device that putting volume and comprise planet carrier 15 and the retaining sleeve 2 that is fixedly connected with the V-type tongue and groove with aluminium alloy sleeve barrel 3, and connect in the housing that constitutes by planet carrier 15 and retaining sleeve 2 mandrel frame 4 is housed, mandrel frame 4 is fixedly connected by spline with ending the match support 1 of assembling of logical sleeve with being positioned at the aluminium alloy sleeve barrel oral area, and is set with a packing ring 6 by screw on mandrel frame 4.One central axis 8 is housed between mandrel frame 4 and planet carrier 15, a location cam 9 and a planetary gear reducing mechanism that is made of planet carrier 15 ring gears, fan blade 17, planetary gear 11,14 and centre wheel 12 are housed on the central axis 8.Positioning cam 9 links to each other by torsion spring 5 with mandrel frame 4, is provided with main locking mechanism by a positioning bead 20 lockings between positioning cam 9 and the only logical sleeve 2.It specifically is to be provided with the locating slot that can supply positioning bead 20 to move on retaining sleeve 2, on the periphery of positioning cam 9, be provided with curved slot accordingly, curved slot is provided with positive and negative two groups each four locking positions 90, and positioning bead 20 can move freely in the locating slot of positioning cam 9 curved slots and retaining sleeve 2.Constitute the device that makes things convenient for roller shutter to stop to put down volume by positioning cam 9, positioning bead 20, mandrel frame 4, torsion spring 5, packing ring 6 and retaining sleeve 2 etc.
Planetary gear reducing mechanism adopts secondary planetary gear reducing mechanism, this mechanism comprises the centre wheel 12 that is contained on central axis 8, three planet axis B13 are housed on centre wheel 12, on three planet axis B13, be set with three planetary gear B14, three planet axis A10 are housed on the positioning cam 9, on three planet axis A10, be set with three planetary gear A11, planetary gear A11, planetary gear B14 are center of rotation with planet axis A10, planet axis B13 respectively, and respectively with centre wheel 12 and fan blade 17 engagements, and the ring gear of common and planet carrier 15 engagement.Described fan blade 17 is contained on the central axis 8, it has a centered cylinder part 171 and is positioned at two hollow cylinder parts 172 of both sides, centered cylinder part 171 links to each other by arc elastic sheet 173 with two hollow cylinder parts 172, and two hollow cylinder parts 172 pin 16 is housed.Forming one by above-mentioned planet carrier 15, fan blade 17, centre wheel 12, planetary gear 11,14 etc. has and effectively slows down the device of putting volume speed under the bigger roller shutter of own wt and width of cloth door.
Be to put volume speed under the roller shutter and make things convenient for roller shutter to stop to put down the principle explanation of winding apparatus overall process below to slowing down.Its course of action is as follows:
In the spring roller blind device as Fig. 1-shown in Figure 5.Suppose that at first roller shutter 19 original states are to be in to transfer lock-out state, the central spring of rolling shutter lifting device is in opposite some circles with its rotation direction 21 this moments, has very strong spring torsion.Make volume on the roller shutter 19 as existing requirement, we only need gently to draw stay cord 18 downwards, aluminium alloy sleeve barrel 3 begins to turn clockwise, because of planet carrier 15 and retaining sleeve 2 and aluminium alloy sleeve barrel 3 relative positionings, planet carrier 15 and retaining sleeve 2 are along with aluminium alloy sleeve barrel 3 turns clockwise, positioning bead 20 begins to move along the locating slot of retaining sleeve 2, withdraws from from the locking position 90 of positioning cam 9 curved slots, has removed the lock-out state of roller shutter.Be installed in the central spring 21 beginning retracting spring torsion in the lifting gear in the aluminium alloy sleeve barrel 3, make aluminium alloy sleeve barrel 3 begin to be rotated counterclockwise, planet carrier 15 and retaining sleeve 2 also begin to be rotated counterclockwise thereupon.The own wt that the spring torsion of central spring 21 has overcome roller shutter 19 begins to go up fast volume, because of planetary gear A11, planetary gear B14 mesh with planet carrier 15 ring gears respectively, begin to turn clockwise thereupon, planetary gear A11 is a center of rotation with three planet axis A10 that install on the positioning cam 9, with centre wheel 12 engagements, planetary gear B14 is center of rotation and fan blade 17 engagements with three planet axis B13 that are installed on the centre wheel 12.According to planetary transmission principle, the gear ratio that now designs planet carrier 15 ring gears and centre wheel 12 is 3, and by the planetary transmission of this one-level, the rotating speed that obtains centre wheel 12 is 4 times of aluminium alloy sleeve barrel 3.Planetary gear B14 is to be center of rotation with planet axis B13, and planet axis B13 is fixed on the centre wheel 12, so do clockwise rotation because of it meshes with planet carrier 15 ring gears again when planetary gear B14 does revolution counterclockwise in company with centre wheel 12, because of planetary gear B14 and fan blade 17 engagements, fan blade 17 is a center of rotation with central axis 8, begins to turn clockwise.The gear ratio that now designs planetary gear B14 and fan blade 17 also is 3, by the planetary transmission of this one-level, so the rotating speed of fan blade 17 is again 4 times of aluminium alloy sleeve barrel 3.Because of the transmission of this secondary planetary gear is connected, are 16 times of aluminium alloy sleeve barrel 3 so obtain the rotating speed of fan blade 17 at last.Revolve under the situation about turning around at aluminium alloy sleeve barrel 3, fan blade 17 can rotate 16 circles simultaneously, so being separately installed with two hollow cylinders 172 of pin 16 on the fan blade 17 opens rapidly, two hollow cylinder 172 surfaces contact with planet carrier 15 inner surfaces, produce frictional resistance, thereby make aluminium alloy sleeve barrel 3 rotations be subjected to frictional resistance, its rotary speed reduces, aluminium alloy sleeve barrel 3 rotary speeies are fast more, suffered frictional resistance is just big more, reached the purpose that makes roller shutter slowly go up volume, simultaneously because of the rotating speed of fan blade 17 is 16 times of aluminium alloy sleeve barrel 3 and what utilize is the frictional resistance of 15 of fan blade 17 and planet carriers, so the noise that produces during this device busy is less.Suppose that in like manner roller shutter 19 original states are in the volume lock-out state, now require roller shutter 19 is transferred, same needs gently draw stay cord 18 downwards, transmission through secondary planetary gear, two hollow cylinders 172 of fan blade 17 are opened rapidly, utilize its surface to contact with the inner surface of planet carrier 15, produce frictional resistance, thereby aluminium alloy sleeve barrel 3 rotary speeies are slowed down, reached the purpose that roller shutter is slowly transferred.
Suppose that again roller shutter 19 is in work and goes up the scrolling work, aluminium alloy sleeve barrel 3 is being rotated counterclockwise, positioning bead 20 is in the locating slot of retaining sleeve 2, rotation along with retaining sleeve 2, move along positioning cam 9 periphery curved slots, when being rolled onto the desirable height of people on the roller shutter, want roller shutter 19 and stop to go up volume, at this moment people only need downwards gently stay cord 18, the state that aluminium alloy sleeve barrel 3 is just being done to be rotated counterclockwise is just broken, the last scrolling of roller shutter 19 does to occur of short duration pause, positioning bead 20 also changes along positioning cam 9 its periphery curved slot motion tracks at the locating slot of retaining sleeve 2 thereupon, and after people loosed one's grip, aluminium alloy sleeve barrel 3 continued again to be rotated counterclockwise, positioning bead 20 is in the locating slot of retaining sleeve 2, along with the rotation of retaining sleeve 2,,, aluminium alloy sleeve barrel 3 is rotated counterclockwise again when beginning continuation once more because of positioning bead 20 motion tracks are changed, positioning bead 20 will enter in the positioning cam 9 curved slots locking position 90 automatically, and roller shutter is in the lock state.Because of positioning cam 9 its peripheries are provided with positive and negative two groups four locking positions 90, under the situation that aluminium alloy sleeve barrel 3 rotates a circle, positioning bead 20 just has four chances to be in the positioning cam 9 curved slots locking position 90.Reach the purpose that makes things convenient for roller shutter 19 to stop to put down volume.Can suppose in like manner that roller shutter 19 is in and transfer action, roller shutter is transferred the desirable height to people, wants roller shutter 19 and stops to transfer, and can only repeat top action, just can reach the purpose that roller shutter 19 stops to transfer.
Thereby having realized having the big and bigger roller shutter of width of cloth door of own wt effectively slows down and puts volume speed down and make things convenient for roller shutter to stop to put down the purpose of volume.
In like manner in another kind bead type roller blind device as shown in Figure 5, also can realize having the big and bigger roller shutter of width of cloth door of own wt and effectively slow down and put volume speed down and make things convenient for roller shutter to stop to put down the purpose of volume.
Claims (7)
1. roller blind device, comprise that one is installed in the rolling shutter lifting device in the aluminium alloy sleeve barrel, it is characterized in that: it also includes one and is installed in can slow down in the aluminium alloy sleeve barrel (3) and puts volume speed under the roller shutter and make things convenient for roller shutter to stop to put down the device of volume, this device comprises respectively planet carrier (15) and the retaining sleeve (2) that fixes with aluminium alloy sleeve barrel (3), in the housing by planet carrier (15) and retaining sleeve (2) connection formation a mandrel frame (4) is housed, between mandrel frame (4) and the planet carrier (15) central axis (8) is housed, one location cam (9) is housed on the central axis (8) and includes planet carrier (15) ring gear, planetary gear (11,14) and the planetary gear reducing mechanism that constitutes of centre wheel (12) and the fan blade (17) that is connected with this mechanism driving, be connected with a torsion spring between described positioning cam (9) and the mandrel frame, be provided with the locking mechanism that roller shutter can be held lock-out state between positioning cam (9) and the only logical sleeve (2).
2. roller blind device as claimed in claim 1, it is characterized in that: described locking mechanism comprises that being located at the locating slot that ends on the logical sleeve (2) and correspondence is located at curved slot on positioning cam (9) periphery, being provided with one between locating slot and curved slot can be along the moving positioning bead (20) of trough roller, and curved slot is provided with locking position (90).
3. roller blind device as claimed in claim 1 or 2, it is characterized in that: described planetary gear reducing mechanism adopts secondary planetary gear reducing mechanism, it comprises the centre wheel (12) that is installed on the central axis, planet axis A (10) and planet axis B (13) are housed respectively on centre wheel (12) and positioning cam (9), on planet axis A (10) and planet axis B (13), be set with planetary gear A (11) and planetary gear B (14), planetary gear A (11) and planetary gear B (14) are divided into two groups respectively with centre wheel (12) be installed in fan blade (17) engagement on the central axis, mesh with planet carrier (15) ring gear simultaneously.
4. ask 2 described roller blind devices as right, it is characterized in that: the curved slot of described positioning cam (9) periphery is provided with positive and negative two groups each four locking positions (90).
5. roller blind device as claimed in claim 1 or 2, it is characterized in that: described fan blade (17) has centered cylinder part (171) and is positioned at two hollow cylinder parts (172) of both sides, the centered cylinder part partly is connected with arc elastic sheet (173) with two hollow cylinders, and at two hollow cylinders pin (16) is housed partly.
6. roller blind device as claimed in claim 3, it is characterized in that: described fan blade (17) has centered cylinder part (171) and is positioned at two hollow cylinder parts (172) of both sides, the centered cylinder part partly is connected with arc elastic sheet (173) with two hollow cylinders, and at two hollow cylinders pin (16) is housed partly.
7. roller blind device as claimed in claim 1 is characterized in that: described planet carrier (15), retaining sleeve (2) and aluminium alloy sleeve barrel (3) are fixedly connected with the V-type tongue and groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201104643U CN201074473Y (en) | 2007-05-31 | 2007-05-31 | Roll curtain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201104643U CN201074473Y (en) | 2007-05-31 | 2007-05-31 | Roll curtain device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074473Y true CN201074473Y (en) | 2008-06-18 |
Family
ID=39519736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201104643U Expired - Fee Related CN201074473Y (en) | 2007-05-31 | 2007-05-31 | Roll curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074473Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808572A (en) * | 2012-07-30 | 2012-12-05 | 杭州欧卡索拉科技有限公司 | Winding and sequencing mechanism for lifting rope of blind window |
| WO2019153740A1 (en) * | 2018-02-09 | 2019-08-15 | 浙江兆事达智能家居股份有限公司 | Cordless roller blind |
-
2007
- 2007-05-31 CN CNU2007201104643U patent/CN201074473Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808572A (en) * | 2012-07-30 | 2012-12-05 | 杭州欧卡索拉科技有限公司 | Winding and sequencing mechanism for lifting rope of blind window |
| WO2019153740A1 (en) * | 2018-02-09 | 2019-08-15 | 浙江兆事达智能家居股份有限公司 | Cordless roller blind |
| US11834905B2 (en) | 2018-02-09 | 2023-12-05 | Zhejiang Hd4U Smart Home Co., Ltd | Cordless roller blind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO JIANGDONG JUPENG INTERNATIONAL TRADING COM Free format text: FORMER OWNER: NINGBO FREE TRADE ZONE SEIKA INTERNATIONAL TRADE CO., LTD. Effective date: 20080905 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080905 Address after: Zhejiang province Ningbo City Jiangdong District CAS Road No. 1018, Room 802, zip code: 315040 Patentee after: Ningbo Jiangdong jupo International Trade Co. Ltd. Address before: Room 802, North building, century dragon building, Zhongxing Road, Jiangdong District, Zhejiang, Ningbo 269, China: 315040 Patentee before: Ningbo Free Trade Zone Seika International Trade Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20100531 |