CN2837487Y - Roller shutter device - Google Patents
Roller shutter device Download PDFInfo
- Publication number
- CN2837487Y CN2837487Y CN 200520116311 CN200520116311U CN2837487Y CN 2837487 Y CN2837487 Y CN 2837487Y CN 200520116311 CN200520116311 CN 200520116311 CN 200520116311 U CN200520116311 U CN 200520116311U CN 2837487 Y CN2837487 Y CN 2837487Y
- Authority
- CN
- China
- Prior art keywords
- retaining
- roller shutter
- rolling curtain
- cam
- retaining cam
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a curtain rolling device comprising a rolling curtain lifting device arranged on one side of a rolling curtain frame, a winding device, a rolling curtain automatic deceleration lowering device and a pulling force device, wherein the rolling curtain automatic deceleration lowering device is connected with the rolling curtain lifting device and the winding device through a central shaft. The pulling force device is used for preventing the rolling curtain from dowards gliding and reducing the lifting of the rolling curtain; the rolling curtain automatic deceleration lowering device is mainly composed of a planetary gear speed reduction device, a stopping cam A, a damping frame, and a lock mechanism which can keep the stopping cam and the damping frame in the lock state; the pulling force device for preventing the rolling curtain from dowards gliding and reducing the lifting of the rolling curtain is mainly composed of a shell, a stopping shaft, a stopping cam B, a spring and a lock mechanism which can keep the stopping cam B in the lock state. The utility model has the advantages of simple structure, convenient operation, low cost, beautiful appearance and convenient installation, and has multiple functions of effectively decelerating a rolling curtain with larger self weight to slowly and downwards move, preventing a rolling curtain from downwards gliding and reducing the ascending pulling force of a rolling curtain.
Description
Technical field
The utility model relates to a kind of roller blind device, particularly relates to a kind ofly the greater weight roller shutter is had automatic deceleration descending, preventing that roller shutter from gliding and reduce the roller blind device of roller shutter rising pulling force function.
Background technology
The roller blind device that various types is arranged in the market, but also do not have a kind of roller blind device with deceleration decline function.When roller shutter is descended, must utilize the frictional force of stay cord and hand with pulling stay cord, roller shutter is slowly descended, otherwise roller shutter will descend fast, can cause the part of roller blind device and roller shutter to damage when serious.And disclosed a kind of " the reverse clamping and drawing device of roller shutter " of Chinese patent 012319686, by major and minor coil rest, major and minor pedestal, major and minor stay cord, master and slave moving axis, block set and two stop assemble around coil spring etc.Though this device can limit the reverse of driven shaft, stop roller shutter to glide, part is various, complex structure, product cost height.
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 the bigger roller shutter of own wt slow down automatically decline, prevent that roller shutter from gliding and reduce the roller blind device of roller shutter rising pulling force function.
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 and the Winder that are contained in Film rolling up frame one side, it is characterized in that it also includes by slow down automatically lowering means and prevent that roller shutter from gliding and reduce roller shutter rising puller system of central axis and described rolling shutter lifting device and the joining roller shutter of Winder, the wherein said roller shutter lowering means that slows down automatically comprises that a retaining cam A and who is individually fixed on the central axis is by central gear, the epicyclic reduction gear unit that planetary gear and planet carrier ring gear constitute, wherein on the retaining cam, damping frame is housed, the one locking mechanism that both can be held lock-out state is housed between damping frame and retaining cam, described central gear is fixed on the central axis, between central gear and planet carrier, be provided with a damping deceleration device, be equipped with in the damping block slidably and can with the contacted ball of planet carrier inwall; Described roller shutter downslide and the minimizing roller shutter rising puller system of preventing comprises shell, be provided with a retaining axle that fixes with central axis in the shell, one retaining cam B is housed on the retaining axle, and be connected with a spring between retaining cam B and the retaining axle, and be provided with the locking mechanism that another can hold retaining cam B lock-out state between retaining cam B and the shell.
The described locking mechanism that damping frame and retaining cam can be held lock-out state can comprise locating slot and the corresponding curved slot that is located on the retaining cam A periphery that is located on the damping frame, being provided with one between locating slot and curved slot can be along the moving ball of trough roller, and curved slot is provided with the locking position.
Described damping deceleration device can comprise the damping block that is contained on the central gear, be equipped with in the damping block slidably and can with the contacted ball of planet carrier inwall.
The described locking mechanism that retaining cam B can be held lock-out state can comprise locating slot and the corresponding curved slot that is located on the retaining cam B periphery that is located on the shell, being provided with one between locating slot and curved slot can follow closely along the retaining that groove moves, and curved slot is provided with the locking position.
Compared with prior art, advantage of the present utility model is: by roller blind device provided by the utility model, owing to be provided with slow down automatically lowering means and prevent that roller shutter from gliding and reduce roller shutter rising puller system of roller shutter, thereby had and effectively to slow down the bigger roller shutter of own wt and do slow descending motion and prevent that roller shutter from gliding and reduce the function of roller shutter rising pulling force, this roller blind device is gathered multi-function in integral whole, and simple in structure, easy and simple to handle, cost is low, good looking appearance, easy for installation.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment.
Fig. 2 mainly reflects slow down the automatically schematic diagram of lowering means structure of roller shutter among Fig. 1.
Fig. 3 mainly reflects to prevent among Fig. 1 that roller shutter from gliding and the schematic diagram of minimizing roller shutter rising puller system structure.
Fig. 4 is that the A of Fig. 1 is to schematic diagram.
Fig. 5 is that the curved slot of retaining cam A launches schematic diagram.
Fig. 6 is that the B of Fig. 1 is to schematic diagram.
Fig. 7 is that the curved slot of retaining cam B launches schematic diagram.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1-Fig. 7 shows an embodiment of the present utility model.It comprises slow down automatically lowering means and prevent that roller shutter from gliding and reduce roller shutter rising puller system of the roller shutter that is assemblied in the Film rolling up frame.Automatically the deceleration lowering means comprise by planet carrier and be contained in planet carrier 6 two ends and roughly three planets at place, middle part cover 3,11,8 housings of being formed, one central gear 5 that is fixed on the central axis is housed in the housing, one damping block 7 is housed on the central gear 5, damping block 7 is provided with groove, but free rolling ball 4 is housed in the groove.Constitute a damping deceleration device by damping block 7 and ball 4.One damping frame 9 also is housed in the housing, a retaining cam A10 who is fixed on the central axis 12 is housed in the damping frame 9, between damping frame 9 and retaining cam A10, be provided with main locking mechanism by a ball 31 lockings.It specifically is to be provided with to be provided with curved slot accordingly on the periphery of retaining cam A10 for the locating slot of ball 31 slips on damping frame 9, and curved slot is provided with locking position 71.Ball 31 moves freely about the locating slot of damping frame 9 is done in retaining cam A10 curved slot.Between damping frame 9 and planet lid 8, three planet axis 32 are housed at the place, middle part, respectively be with a planet gear 33 on the axle, planetary gear 33 intermeshes with planet carrier 6 ring gears 34, central gear 5, constitutes epicyclic reduction gear unit by central gear 5, planetary gear 33 and planet carrier 9 ring gears.
Prevent that roller shutter from gliding and minimizing roller shutter rising puller system includes the housing that is made of retaining lid 16 and retaining base 18, the retaining axle 15 that fixes with central axis 12 is housed in the housing, retaining cam B19 is housed on the retaining axle 15, between only logical cam B19 and retaining axle 15, is connected with spring 17.Between only logical cam B19 and retaining base 18, be provided with the main locking mechanism that locks by retaining nail 30.It specifically is to be provided with to follow closely 30 locating slots that move for retaining on retaining base 18, on the periphery of retaining cam B19, be provided with curved slot accordingly, curved slot is provided with locking position 72, and retaining nail 30 moves freely about the locating slot of retaining base 18 is done in retaining cam B19 curved slot.
In the outside, the Film rolling up frame right side rolling shutter lifting device is installed in addition, lifting gear comprises apparatus for suspension B20, work angle change frame 21, slidinjg board A 22, apparatus for suspension A23, screw 24, coaster B25 and stay cord 26.Winder is housed in Film rolling up frame again, and Winder comprises bobbin winder bracket 13, roll 14 and wiring 35, and wiring 35 1 ends are fixed on the roll 14, and the other end connects roller shutter 36.These four devices link with central axis 12, form one and have to imitate and slow down the big roller shutter of own wt and slowly descend and prevent that roller shutter from gliding and the roller blind device of minimizing roller shutter rising pulling force.
Again in conjunction with shown in the figure this roller blind device being done further dynamically to describe.Wherein, the course of action that roller shutter is slowly descended is as follows: shown in figure, if roller shutter 36 original states are in the state of volume, now roller shutter 36 is descended as requiring, spur stay cord 26 left sides as shown in Figure 4 downwards, the slidinjg board A 22 that is installed between apparatus for suspension A 23 and apparatus for suspension B20 is rotated counterclockwise, drive central axis 12 rotations, making roll 14 is that the center is rotated counterclockwise with bobbin winder bracket 13 two ends locating holes, under the effect of roller shutter 36 deadweights, be wound on that wiring 35 loosens on the roll 14, roller shutter 36 descends, along with central axis 12, retaining cam A10 begins to rotate simultaneously, and ball 31 moves freely about the locating slot of damping frame 9 is done in retaining cam A10 curved slot.Pull down stay cord 26 right sides that make a movement as shown in Figure 4 again, the slidinjg board A 22 that is installed between apparatus for suspension A23 and apparatus for suspension B20 is turned clockwise, drive central axis 12 rotations, roll 14 turns clockwise simultaneously, be wound on wiring 35 tensions on the roll 14, roller shutter 36 is in rising trend.Along with central axis 12 rotations, retaining cam A10 begins to rotate, and ball 31 is in retaining cam A10 curved slot locking 71 places, position as shown in Figure 5 automatically, and at this moment ball 31, retaining cam A10 and damping frame 9 are in mutual lock-out state.Loosen stay cord 26, under the effect of roller shutter 36 deadweights, because of ball 31, retaining cam A10 and damping frame 9 are in mutual lock-out state, thereby rotation together.Intermesh because of planetary gear 33 and planet carrier 6 ring gears 34, centre wheel 5 again, thereby make centre wheel 5 begin to be rotated counterclockwise, produce a centrifugal force, be installed in ball 4 and damping block 7 on the central gear 5, under action of centrifugal force, outwards expansion, ball 4, damping block 7 and planet carrier 6 are contacted, produce frictional force, the deceleration device rotary speed is big more, ball 4, damping block 7 and planet carrier 6 frictional force are just big more, have reduced the velocity of rotation of deceleration device conversely, thereby have reached the purpose that roller shutter slowly descends.Be installed in the spring 17 between retaining axle 15 and the retaining cam B19 simultaneously,, stop the rotation of central axis 12 along with central axis 12 rotations provide a countertorque.
Prevent that roller shutter from gliding and the course of action of minimizing roller shutter rising pulling force is as follows: shown in figure, suppose that the roller shutter original state is in the state of volume, now as requiring to make the roller shutter drop by half, spur stay cord 26 left sides as shown in Figure 4 downwards, the slidinjg board A 22 that is installed between apparatus for suspension A23 and apparatus for suspension B20 is rotated counterclockwise, drive central axis 12 rotations, the retaining axle 15 that is installed in 16 on retaining base 18 and retaining lid is rotated counterclockwise, because of being fixed on, ends between axis 15 and retaining cam B19 by spring 17, spring 17 is taken up gradually, drive retaining cam B19 rotation simultaneously, retaining nail 30 moves freely about the locating slot of retaining base 18 is done in the curved slot that ends logical cam B19.Roller shutter 36 drops to desired height, need stop to descend, as long as pull down stay cord 26 right sides as shown in Figure 4 again, the slidinjg board A 22 that is installed between apparatus for suspension A23 and apparatus for suspension B20 is turned clockwise, drive central axis 12 rotations, roll 14 turns clockwise simultaneously, is wound on wiring 35 tensions on the roll 14, and roller shutter 36 is in rising trend.Along with central axis 12 rotations, retaining nail 30 is in retaining cam B19 curved slot locking 72 places, position as shown in Figure 7 automatically, and at this moment retaining nail 30 and retaining cam B 19 are in mutual lock-out state.Loosen stay cord 26, all members all stop operating, and have played the roller shutter downslide effect that prevents, take up gradually because of spring 17 simultaneously, and its reaction torque is increased gradually, have stoped retaining cam B19 rotation, from and played the function that roller shutter is slowly descended.
Same hypothesis roller shutter original state is in the state of transferring, now make roller shutter rise half as requiring, spur stay cord 26 right sides as shown in Figure 4 downwards, the slidinjg board A 22 that is installed between apparatus for suspension A23 and apparatus for suspension B20 is turned clockwise, drive central axis 12 rotations, the retaining axle 15 that is installed in 16 on retaining base 18 and retaining lid is turned clockwise, because of spring 17 is fixed between retaining axle 15 and retaining cam B19, spring 17 is loosened gradually, drive retaining cam B19 rotation simultaneously, retaining nail 30 moves freely about the locating slot of retaining base 18 is done in retaining cam B19 curved slot.Roller shutter 36 rises to satisfied height, need stop to rise, as long as pull down stay cord 26 left sides that make a movement as shown in Figure 4 again, the slidinjg board A 22 that is installed between apparatus for suspension A23 and apparatus for suspension B20 is rotated counterclockwise, drive central axis 12 rotations, simultaneously roll 14 is rotated counterclockwise, and is wound on that wiring 35 loosens on the roll, and roller shutter 36 is on a declining curve.Along with central axis 12 rotations, retaining nail 30 is in curved slot locking 72 places, position of retaining cam B19 as shown in Figure 7 automatically, and at this moment retaining nail 30 and retaining cam B19 are in mutual lock-out state, loosen stay cord 26, all members all stop operating, and have played the roller shutter downslide effect that prevents.Loosen gradually simultaneously, the positive torque of its generation increased gradually because of spring 17, from and played and drawn high the power-assisted effect, make feel free and relaxed.
Claims (6)
1, a kind of roller blind device, comprise the rolling shutter lifting device and the Winder that are contained in Film rolling up frame one side, it is characterized in that: it also includes by slow down automatically lowering means and prevent that roller shutter from gliding and reduce roller shutter rising puller system of central axis (12) and described rolling shutter lifting device and the joining roller shutter of Winder, the wherein said roller shutter lowering means that slows down automatically comprises that a retaining cam A (10) and who is individually fixed on the central axis (12) is by central gear (5), the epicyclic reduction gear unit that planetary gear (33) and planet carrier (6) ring gear constitute, damping frame (9) wherein is housed on retaining cam A (10), the one locking mechanism that both can be held lock-out state is housed between damping frame (10) and retaining cam A (10), described central gear (5) is fixed on the central axis (12), is provided with a damping deceleration device between central gear (5) and planet carrier (6); Described roller shutter downslide and the minimizing roller shutter rising puller system of preventing comprises shell, be provided with a retaining axle (15) that fixes with central axis in the shell, one retaining cam B (19) is housed on the retaining axle (15), and be connected with a spring (17) between retaining cam B (19) and the retaining axle (15), and be provided with the locking mechanism that another can hold retaining cam B lock-out state between retaining cam B (19) and the shell.
2, roller blind device as claimed in claim 1, it is characterized in that: describedly damping frame (9) can be comprised locating slot and the corresponding curved slot that is located on retaining cam A (10) periphery that is located on the damping frame (9) with the locking mechanism that retaining cam A (10) holds lock-out state, being provided with one between locating slot and curved slot can be along the moving ball (31) of trough roller, and curved slot is provided with locking position (71).
3, roller blind device as claimed in claim 1 is characterized in that: described damping deceleration device comprises the damping block (7) that is contained on the central gear (5), be equipped with in the damping block slidably and can with the contacted ball of planet carrier inwall (4).
4, roller blind device as claimed in claim 1, it is characterized in that: the described locking mechanism that retaining cam B can be held lock-out state comprises that the locating slot that is located on the shell and correspondence are located at the curved slot on retaining cam B (19) periphery, between locating slot and curved slot, be provided with one and can follow closely (30), and curved slot is provided with locking position (72) along the retaining that groove moves.
5, roller blind device as claimed in claim 1 is characterized in that: described shell is to be made of a retaining base (18) and the retaining that combines with this retaining base lid (16).
6, roller blind device as claimed in claim 1 is characterized in that: described roller shutter slow down automatically the lowering means device by described planet carrier (6) and be contained in the planet carrier two ends and housing that roughly the three planets lids (3,11,8) at middle part place constitute in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116311 CN2837487Y (en) | 2005-11-10 | 2005-11-10 | Roller shutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116311 CN2837487Y (en) | 2005-11-10 | 2005-11-10 | Roller shutter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837487Y true CN2837487Y (en) | 2006-11-15 |
Family
ID=37391970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520116311 Expired - Fee Related CN2837487Y (en) | 2005-11-10 | 2005-11-10 | Roller shutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837487Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407276B (en) * | 2008-11-25 | 2010-12-22 | 杜海 | Conveyer for faith token angel for wedding |
| CN102733746A (en) * | 2011-04-07 | 2012-10-17 | 嘉仪企业股份有限公司 | Transmission device of curtain |
-
2005
- 2005-11-10 CN CN 200520116311 patent/CN2837487Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407276B (en) * | 2008-11-25 | 2010-12-22 | 杜海 | Conveyer for faith token angel for wedding |
| CN102733746A (en) * | 2011-04-07 | 2012-10-17 | 嘉仪企业股份有限公司 | Transmission device of curtain |
| CN102733746B (en) * | 2011-04-07 | 2014-12-24 | 嘉仪企业股份有限公司 | Transmission device of curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |