CN202249685U - Guide structure of lifting rope in venetian blind - Google Patents
Guide structure of lifting rope in venetian blind Download PDFInfo
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- CN202249685U CN202249685U CN201120317652XU CN201120317652U CN202249685U CN 202249685 U CN202249685 U CN 202249685U CN 201120317652X U CN201120317652X U CN 201120317652XU CN 201120317652 U CN201120317652 U CN 201120317652U CN 202249685 U CN202249685 U CN 202249685U
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- directive wheel
- guide frame
- down rope
- ratchet
- rotating shaft
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Abstract
The utility model provides a guide structure of a lifting rope in a venetian blind, belonging to the technical field of mechanism transmission and solving the problem that a counter weight block has to be re-designed according to different styles of a door/window because the conventional shutter utilizes the counter weight block to offset the weight of a curtain. The guide structure of the lifting rope in the venetian blind comprises a box seat and a guide wheel, wherein the guide wheel is positioned on the box seat, the lifting rope props against the wheel face of the guide wheel, and an anti-slip mechanism is arranged between the guide wheel and the box seat and can be used for preventing blades from automatically sliding downwards. The guide structure of the lifting rope in the venetian blind is provided with the anti-slip mechanism, so that the blades are prevented from automatically sliding downwards due to the weight of the blades and can be arbitrarily stayed at any position.
Description
Technical field
The utility model belongs to the mechanical transmissioning technology field, relates to a kind of sun blind, the guide frame of up-down rope in particularly a kind of sun blind.
Background technology
In existing hollow glass shutter; Want curtain arbitrarily to stop at the optional position on the doorframe; Existing technical scheme is exactly to increase the frictional force between up-down rope and the roller and increase magnet quantity curtain is not fallen easily; Spur the required tractive force of curtain but also increased the user when doing like this, pulling is got up and is relatively required great effort.For this reason, people have designed the shutter of various handled easilies.
Like the shutter [patent No. ZL200620125829.5 in a kind of structure improved hollow glass of State Intellectual Property Office of the People's Republic of China's announcement; Notification number CN200971738Y]; It is made up of framework, top rail, first, second column, forward and backward glass and blind assembly that upper and lower, left and right window-frame and first, second, third, fourth corner coupling head enclosure become; The blind assembly by sill strip, some blades and rotating shaft, stop collar, turn to rope, pull rope and blade elevating mechanism and blade switching mechanism to form; The blade elevating mechanism is to be made up of Armco magnetic iron traction inner slide and Armco magnetic iron outer slide; Wherein Armco magnetic iron traction inner slide is positioned at second column; Its end, upper end is connected with pull rope, and it is outer and corresponding with Armco magnetic iron traction inner slide that the Armco magnetic iron outer slide is positioned at front glass, is characterized in: the lower end at described Armco magnetic iron traction inner slide is installed with a balancing weight.This shutter utilizes a balancing weight to offset the weight of curtain, promotes laborsavingly, and cost of manufacture is low and simple in structure; Can realize fast lifting; But curtain is of a great variety, and weight has nothing in common with each other, and this must design balancing weight again according to different curtain weight, increased operation for like this manufacturing shutter, and the scope of application is also little.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the guide frame of up-down rope in a kind of sun blind applied widely.
The purpose of the utility model can realize through following technical proposal: the guide frame of up-down rope in a kind of sun blind; It is characterized in that; This guide frame comprises housing seat and is positioned at the directive wheel on the housing seat that described up-down rope and directive wheel wheel face lean; Be provided with the anti-skidding mechanism that can prevent that blade from gliding automatically between described directive wheel and the housing seat.
When the user utilized the up-down rope to move to curtain topmost, after the release handle, up-down rope one end had lost tractive force, and blade is because self gravitation can be toward gliding so.At this moment, the anti-skidding mechanism that is located between directive wheel and the housing seat can prevent that blade from gliding.
In above-mentioned sun blind in the guide frame of up-down rope; Described anti-skidding mechanism comprises the rotating shaft that is located in guide wheel shaft core place; Described rotating shaft is fixed on the housing seat, is provided with one-way clutch between described rotating shaft and the directive wheel and described rotating shaft is connected through above-mentioned one-way clutch with directive wheel; Directive wheel is circumferentially fixing with respect to rotating shaft when blade glides.Rotating shaft and housing seat fix, and one-way clutch can make directive wheel and rotating shaft be separated when blade rose, and directive wheel can dally; After blade is moved the certain position release handle to; One-way clutch can make directive wheel and rotating shaft fix, and directive wheel also stops idle running, and blade also stops gliding.
In the guide frame of up-down rope, described one-way clutch comprises and is fixed on the supporter adapter sleeve outer with being set in supporter in the rotating shaft that described adapter sleeve is fixedly connected with directive wheel sheathed in above-mentioned sun blind; Be provided with several between described supporter and the adapter sleeve along the circumferential equally distributed limit body of adapter sleeve.Because self gravitation when gliding, limit body interlocks extremely supporter and adapter sleeve when blade, also relative fixed of rotating shaft and directive wheel so, and blade does not stop gliding owing to directive wheel does not rotate.
In the guide frame of up-down rope, described limit body is cylindric needle roller in above-mentioned sun blind.The limit body of cylindric needle roller when user's application of force is on the up-down rope and supporter be in and be slidingly connected, adapter sleeve rotates around supporter; Do not do the time spent when the up-down rope does not receive external force, the limit body on the adapter sleeve is buckled in both is fixed.
In the guide frame of up-down rope, described anti-skidding mechanism comprises torsion spring in above-mentioned sun blind, and on the inner of described torsion spring was fixed in the housing seat axial trough, outer end bullet tension was on directive wheel, and torsion spring is in close up state gradually when blade glides.When blade rose, directive wheel rotated, and torsion spring one end is blocked and revolves the increase external diameter that rises, and produced frictional force and stoped blade to glide; Torsion spring does not revolve the trend that has natural relaxation when rising, and blade can glide.
In above-mentioned sun blind in the guide frame of up-down rope; Described anti-skidding mechanism comprises the ratchet that is hinged on the housing seat and is connected in the cylindrical antislip body in directive wheel outside portion; Have on the lateral surface of described antislip body and the equal ratchet correspondingly of detent positions structure, described ratchet can embed in the ratchet.After user's release handle, blade glides, and this moment, ratchet embedded ratchet, and directive wheel is stopped the rotation, and blade stops gliding.
In the guide frame of up-down rope, described ratchet is positioned at the first quartile of the rectangular coordinate system of antislip body in above-mentioned sun blind.
In the guide frame of up-down rope, the diameter of described directive wheel is 10mm～40mm in above-mentioned sun blind.According to leaf weight, in 10mm～40mm scope, select the diameter of suitable directive wheel, can be lighter when the user spurs blade.
Compared with prior art; The guide frame of up-down rope has anti-skidding mechanism in these sun blind; Make blade can not glide because of self gravitation, can arbitrarily rest on the optional position, this guiding mechanism is applicable in various hollow glass sun blind and other sun blind.
Description of drawings
Fig. 1 is the structural representation of present embodiment one.
Fig. 2 is the structural representation of present embodiment three.
Fig. 3 is the structural representation of present embodiment two.
Among the figure, 1, housing seat; 2, directive wheel; 3, one-way clutch; 3a, supporter; 3b, adapter sleeve; 3b1, limit body; 4, rotating shaft; 6, ratchet; 7, antislip body; 8, ratchet; 9, torsion spring.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
Embodiment one
The guide frame of this up-down rope is applied in the sun blind, and this guide frame comprises housing seat 1 and is positioned at the directive wheel 2 on the housing seat 1.Up-down rope and directive wheel 2 wheel faces lean, pulling up-down rope, and directive wheel 2 is along with rolling; If there is not external force to execute on the up-down rope, blade can be owing to self gravitation descends so.In order to let blade can arbitrarily stop at the optional position on the doorframe, between directive wheel 2 and housing seat 1, be provided with the anti-skidding mechanism that can prevent that blade from gliding automatically.
Specifically, as shown in Figure 1, anti-skidding mechanism comprises the rotating shaft 4 that is located in 2 core places of directive wheel, and rotating shaft 4 is fixed on the housing seat 1, is provided with one-way clutch 3 between rotating shaft 4 and the directive wheel 2 and rotating shaft 4 is connected through one-way clutch 3 with directive wheel 2.Directive wheel 2 is circumferentially fixing with respect to rotating shaft 4 when blade glides.One-way clutch 3 comprises and is fixed on the supporter 3a adapter sleeve 3b outer with being set in supporter 3a in the rotating shaft 4 that adapter sleeve 3b is fixedly connected with directive wheel 2 sheathed.Be provided with several between supporter 3a and the adapter sleeve 3b along the circumferential equally distributed limit body 3b1 of adapter sleeve 3b, limit body 3b1 is cylindric and can embeds the external surface of supporter 3a.The shortage in weight of blade enough makes limit body 3b1 and supporter 3a be separated, and so, directive wheel 2 fixes with housing seat 1, so blade can be owing to self gravitation glides.But if the user uses the power pulling up-down rope greater than blade gravity, limit body 3b1 can break away from supporter 3a so, and directive wheel 2 rotates around rotating shaft 4, and blade follows rope to go up and down together.For making things convenient for user's blade that goes up and down, the diameter of directive wheel 2 is 25mm in the present embodiment, and is more laborsaving when the user spurs blade.
Embodiment two
Be anti-skidding mechanism with the difference of embodiment one, as shown in Figure 3, this anti-skidding mechanism comprises that the inner is fixed on the torsion spring 9 on the housing seat 1, and torsion spring 9 outer ends are fixed on the directive wheel 2, and torsion spring 9 is in the state that tightens up gradually when blade glides.Utilize the gravity of the tension opposing blade self of torsion spring 9, it can not glided.When executing external force at the up-down rope greater than the blade self gravitation, directive wheel 2 can overcome the tightening force of torsion spring 9 and rotate around housing seat 1, and blade is also just along with the up-down rope goes up and down together so.
Embodiment three
Be anti-skidding mechanism equally with the difference of embodiment one, as shown in Figure 2, this anti-skidding mechanism comprises the ratchet 6 that is hinged on the housing seat 1 and is connected in the cylindrical antislip body 7 in directive wheel 2 outside portions.Have on the lateral surface of antislip body 7 and the equal ratchet 8 correspondingly of ratchet 6 positional structures, ratchet 6 be positioned at antislip body 7 rectangular coordinate system first quartile and can embed ratchet 8.The self gravitation deficiency of blade is so that ratchet 8 is broken away from the buckle of ratchet 6, directive wheel 2 still with housing seat 1 relative fixed; But if the external force that receives of up-down rope is during greater than the blade self gravitation, ratchet 8 can be broken away from ratchet 6 and rotate, and directive wheel 2 can reach the effect that blade goes up and down around housing seat 1 rotation so.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as housing seat 1, directive wheel 2, one-way clutch 3, supporter 3a, adapter sleeve 3b, limit body 3b1, rotating shaft 4, ratchet 6, antislip body 7, ratchet 8, torsion spring 9 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. the guide frame of up-down rope in the sun blind is characterized in that this guide frame comprises housing seat (1) and be positioned at the directive wheel (2) on the housing seat (1) that described up-down rope and directive wheel (2) wheel face lean; Be provided with the anti-skidding mechanism that can prevent that blade from gliding automatically between described directive wheel (2) and the housing seat (1).
2. the guide frame of up-down rope in the sun blind according to claim 1; It is characterized in that; Described anti-skidding mechanism comprises the rotating shaft (4) that is located in directive wheel (2) axle core place; Described rotating shaft (4) is fixed on the housing seat (1), is provided with one-way clutch (3) between described rotating shaft (4) and the directive wheel (2) and described rotating shaft (4) is connected through above-mentioned one-way clutch (3) with directive wheel (2); Directive wheel when blade glides (2) is circumferential fixing with respect to rotating shaft (4).
3. the guide frame of up-down rope in the sun blind according to claim 2; It is characterized in that; Described one-way clutch (3) comprises and is fixed on the supporter (3a) in the rotating shaft (4) and is set in the outer adapter sleeve (3b) of supporter (3a) that described adapter sleeve (3b) is fixedly connected with directive wheel (2) sheathed; Be provided with several along the circumferential equally distributed limit body of adapter sleeve (3b) (3b1) between described supporter (3a) and the adapter sleeve (3b).
4. the guide frame of up-down rope is characterized in that in the sun blind according to claim 3, and described limit body (3b1) is cylindric needle roller.
5. the guide frame of up-down rope in the sun blind according to claim 1; It is characterized in that; Described anti-skidding mechanism comprises torsion spring (9); On the inner of described torsion spring (9) was fixed in housing seat (1) axial trough, outer end bullet tension was on directive wheel (2), and torsion spring when blade glides (9) is in close up state gradually.
6. the guide frame of up-down rope in the sun blind according to claim 1; It is characterized in that; Described anti-skidding mechanism comprises the ratchet (6) that is hinged on the housing seat (1) and is connected in the cylindrical antislip body in directive wheel (2) outside portion (7); Have on the lateral surface of described antislip body (7) and the equal ratchet (8) correspondingly of ratchet (6) positional structure, described ratchet (6) can embed in the ratchet (8).
7. the guide frame of up-down rope is characterized in that in the sun blind according to claim 6, and described ratchet (6) is positioned at the first quartile of the rectangular coordinate system of antislip body (7).
8. according to the guide frame of up-down rope in claim 1 or 2 or 3 or 4 or 5 or the 6 or 7 described sun blind, it is characterized in that the diameter of described directive wheel (2) is 10mm～40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120317652XU CN202249685U (en) | 2011-08-29 | 2011-08-29 | Guide structure of lifting rope in venetian blind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120317652XU CN202249685U (en) | 2011-08-29 | 2011-08-29 | Guide structure of lifting rope in venetian blind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249685U true CN202249685U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120317652XU Expired - Fee Related CN202249685U (en) | 2011-08-29 | 2011-08-29 | Guide structure of lifting rope in venetian blind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894772A (en) * | 2019-10-12 | 2020-03-20 | 佛山市良居节能建材科技有限公司 | Corner seat for preventing shutter from automatically sliding downwards |
| TWI690651B (en) * | 2019-03-22 | 2020-04-11 | 范富美 | Universal mechanism for curtain rope |
-
2011
- 2011-08-29 CN CN201120317652XU patent/CN202249685U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI690651B (en) * | 2019-03-22 | 2020-04-11 | 范富美 | Universal mechanism for curtain rope |
| CN110894772A (en) * | 2019-10-12 | 2020-03-20 | 佛山市良居节能建材科技有限公司 | Corner seat for preventing shutter from automatically sliding downwards |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |