CN109875373A - Resistance adjustment device for no exposed pulling rod formula curtain - Google Patents
Resistance adjustment device for no exposed pulling rod formula curtain Download PDFInfo
- Publication number
- CN109875373A CN109875373A CN201711274474.5A CN201711274474A CN109875373A CN 109875373 A CN109875373 A CN 109875373A CN 201711274474 A CN201711274474 A CN 201711274474A CN 109875373 A CN109875373 A CN 109875373A
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- control pin
- pedestal
- positioning region
- resistance
- adjustment device
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Abstract
The present invention provides a kind of resistance adjustment device for no exposed pulling rod formula curtain, it include a pedestal, one resistance adjusting seat and a control pin, pedestal has one first positioning region and a fixing axle, resistance adjusting seat has a transmission shaft and is set to the fixing axle of pedestal by driving sleeve, control pin has a drive shaft and is set to the fixing axle of pedestal by propeller shaft sleeve, drive shaft has one second positioning region and a driving portion, when the second positioning region of the drive shaft of control pin is connected in the first positioning region of pedestal, control pin can not rotate, the resistance of lifting and driving rope can not be adjusted at this time, when the second positioning region of the drive shaft of control pin is detached from the first positioning region of pedestal, and the driving portion of the drive shaft of control pin is connected in the transmission shaft of resistance adjusting seat, control pin energy band dynamic resistance adjusting seat adjusts the resistance of lifting and driving rope.
Description
Technical field
The present invention is related with no exposed pulling rod formula curtain, and espespecially a kind of resistance for no exposed pulling rod formula curtain adjusts dress
It sets.
Background technique
For general no exposed pulling rod formula curtain, when pulling down beam instantly, the lifting and driving rope for being set to blade can quilt
Underbeam stretches outward and gradually deviates from from ropewinder, until blade is fully deployed；On the contrary, when above pushing down beam, underbeam
Suffered lifting force amount can offset the vaned weight of underbeam and institute, and ropewinder is enable smoothly to be rolled up lifting and driving rope
It receives, and then blade smoothly can up be folded.However no matter underbeam pulls down in stress or above in the process that pushes away, once under
External force suffered by beam releases, and blade can provide appropriateness to lifting and driving rope by the way that a resistance device of ropewinder is arranged in
Resistance and be parked in any height at any time, can't external force releasing after hang or fold easily.
In order in response to different use demands, it is sometimes necessary to which further adjustment resistance device provides lifting and driving rope
Resistance, but in aforementioned located by prior art, entire ropewinder must be dismantled and could be adjusted to resistance device by user
It is whole, it is to be adjusted later again to re-assembly back ropewinder to positioning, other than operationally unusual inconvenience, ropewinder
The assembly precision of internal component may be influenced whether after by being dismounted for multiple times.
Summary of the invention
The main purpose of the present invention is to provide a kind of resistance adjustment device for no exposed pulling rod formula curtain, operations
Conveniently and do not need to carry out the dismounting in structure.
In order to achieve the above objectives, resistance adjustment device of the invention includes a pedestal, a resistance adjusting seat, Yi Jiyi
Control pin.The pedestal has an apical pore, one first positioning region and a fixing axle, and the section configuration of the fixing axle is circle；The resistance
Power adjusting seat is set to the pedestal and there is a transmission shaft to adjust bar with more resistances, and the transmission shaft is with one in polygonal section
Driving hole, the resistance adjusting seat are rotationally sheathed on the fixing axle of the pedestal, this more resistances by the driving hole of the transmission shaft
Power adjusts bar and is set to around the transmission shaft, to one lifting and driving rope of support；The control pin has a drive shaft, the control pin
By the drive shaft can upper and lower displacement and be rotationally sheathed on the fixing axle of the pedestal, in addition, the drive shaft has one the
Two positioning regions and the driving portion that one is in polygonal section.
Whereby, when the control pin is located at a position location, the second positioning region of the drive shaft of the control pin is connected in this
First positioning region of pedestal makes the control pin be unable to drive resistance adjusting seat rotation, can not adjust the lifting and driving rope at this time
Resistance；When the control pin is pulled by external force and is up moved to an adjustment position, the second of the drive shaft of the control pin is fixed
Position portion is detached from the first positioning region of the pedestal, and the driving portion of the drive shaft of the control pin is connected in the transmission of the resistance adjusting seat
The driving hole of axis enables the control pin that the resistance adjusting seat to be driven to rotate together, and the resistance adjusting seat is during rotation at this time
Bar can be adjusted to change the cabling mode of the lifting and driving rope using wherein one or more resistance, and then reach adjustment resistance
Effect.
It can be seen from the above, as long as resistance adjustment device of the invention forces the control pin actuation i.e. adjustable to the adjustment position
The resistance of the whole lifting and driving rope, whole process do not need to carry out the dismounting in structure, use and reach increase ease of use
And keep the effect of good assembly precision.
Detailed description of the invention
Fig. 1 is the stereoscopic figure of the resistance adjustment device of the 1st embodiment of the invention；
Fig. 2 is the stereogram exploded view of the resistance adjustment device of the 1st embodiment of the invention；
Fig. 3 is the cross-sectional view of the resistance adjustment device of the 1st embodiment of the invention, and main display control pins position is in sprocket bit
It sets；
Fig. 4 is Fig. 3 along the cross-sectional view of 4-4 hatching line, and the second positioning region of the driving portion of main display control pin is connected in base
First positioning region of seat；
Fig. 5 is the cross-sectional view of the resistance adjustment device of the 1st embodiment of the invention, and main display control pins position is in adjustment position
It sets；
Fig. 6 is cross-sectional view of the Fig. 5 along 6-6 hatching line, and the second positioning region of the driving portion of main display control pin is detached from pedestal
The first positioning region, and the driving portion of the drive shaft of control pin is embedded in the driving hole of the transmission shaft of resistance adjusting seat；
Fig. 7 is the stereoscopic figure that the resistance adjustment device of the 1st embodiment of the invention cooperates single spring type ropewinder to use；
Fig. 8 is the stereoscopic figure that the resistance adjustment device of the 1st embodiment of the invention cooperates double spring type ropewinders to use；
Fig. 9 to Figure 12 is the cross-sectional view of the resistance adjustment device of the 1st embodiment of the invention, main to show that resistance adjusting seat exists
The lower of different stalls allows lifting and driving rope to generate different cabling modes；
Figure 13 is the stereogram exploded view of the resistance adjustment device of the 2nd embodiment of the invention；
Figure 14 is the cross-sectional view of the resistance adjustment device of the 2nd embodiment of the invention, and main display control pins position is in sprocket bit
It sets；
Figure 15 is cross-sectional view of the Figure 14 along 15-15 hatching line, the second positioning region clamping of the driving portion of main display control pin
In the first positioning region of pedestal；
Figure 16 is the cross-sectional view of the resistance adjustment device of the 2nd embodiment of the invention, and main display control pins position is in adjustment position
It sets；
Figure 17 is cross-sectional view of the Figure 16 along 17-17 hatching line, and the driving portion of the drive shaft of main display control pin is embedded in resistance
The driving hole of the transmission shaft of power adjusting seat.
1st embodiment
The single spring type ropewinder of 10 resistance adjustment device 12
14 pairs of 16 lifting and driving ropes of spring type ropewinder
20 pedestal, 21 bottom plate
The lower side column of 211 lower accommodation grooves 212
213 fixing axle, 214 first positioning region
23 top plate, 231 apical pore
Accommodation groove in 232 gears mark 233
25 first tension guide rod of side column on 234
27 second tension guide rod, 29 guide wheel
30 resistance adjusting seat, 31 transmission shaft
Shoulder in 312 driving holes 314
33 upper flange, 35 lower wing plate
37a~37d resistance adjusts 40 control pin of bar
41 drive shaft, 42 axle portion
The outer shoulder of 43 driving portion 44
The position location P1 P2 adjusts position
45 operation portion, 46 designated symbol
47 second positioning region, 50 elastic component
2nd embodiment
60 pedestal, 61 top plate
62 apical pore, 63 bottom plate
64 fixing axle, 65 flange
66 first positioning region, 67 gear mark
70 control pin, 71 drive shaft
72 driving portion, 73 second positioning region
74 outer 75 operation portions of shoulder
76 sets of holes
Specific embodiment
Please referring initially to Fig. 1 and Fig. 2, the resistance adjustment device 10 of the 1st embodiment of the invention includes a pedestal 20, a resistance
Adjusting seat 30, a control pin 40 and an elastic component 50.
Pedestal 20 has a bottom plate 21 and a top plate 23.It is accommodated under one as shown in Fig. 2, the top surface of bottom plate 21 has
Slot 211 and four are surrounded on the lower side column 212 of lower accommodation groove 211, and the center of bottom plate 21 has a fixing axle 213 and one
First positioning region 214, the bottom end of fixing axle 213 are adjacent to the top of the first positioning region 214, and fixing axle 213 therein has circle
The section configuration of shape has octagonal section configuration as the first positioning region 214；The center of top plate 23 has one and runs through
Top, bottom two sides apical pore 231, the top surface of top plate 23 set around apical pore 231 there are five using Arabic numerals file position
Mark 232, as shown in Figures 2 and 3, the bottom surface of top plate 23 are surrounded on accommodation groove 233 with a upper accommodation groove 233 and four
Upper side column 234, top plate 23 and bottom plate 21 fitted together by upper and lower side column 234,212 opposing upper and lower, makes bottom plate 21
Fixing axle 213 is correspondingly located at the lower section of the apical pore 231 of top plate 23.In addition, the left and right both ends of pedestal 20 are respectively provided with one
One tension guide rod 25 and a second tension guide rod 27, the first and second tension guide rod 25,27 are connected between top, bottom plate 23,21,
Wherein a guide wheel 29 is arranged in the first tension guide rod 25.
As shown in Figures 2 to 4, resistance adjusting seat 30 is set between the top of pedestal 20, bottom plate 23,21 and has a transmission shaft
31, a upper flange 33, a lower wing plate 35 and four resistances adjust bar 37a~37d.It is in octagon section that transmission shaft 31, which has one,
Driving hole 312, the top of the hole wall of driving hole 312 has shoulder 314 in one, and the aperture of driving hole 312 is greater than pedestal 20
The diameter of axle of fixing axle 213, so that resistance adjusting seat 30 is sheathed on the fixing axle of pedestal 20 by the driving hole 312 of transmission shaft 31
It can the rotation of opposite base 20 after 213；Upper and lower wing plate 33,35 is connected to the top of transmission shaft 31, bottom both ends and difference rotationally
It is contained in the upper and lower accommodation groove 233,211 of pedestal 20；As shown in Fig. 2 and Fig. 9, the resistance adjustment bar 37a~37d is set to
It is arranged between upper and lower wing plate 33,35 and using the center of the driving hole of transmission shaft 31 312 as the center of circle in arcuation at equal intervals.
Control pin 40 has a drive shaft 41, and there is drive shaft 41 axle portion 42 of a rounded section and one to break in octagon
The driving portion 43 in face, the top of the bottom end connection driving portion 43 of axle portion 42, so that forming an outer 44 (such as Fig. 3 of shoulder between the two
It is shown), in addition, as shown in figure 4, the bottom end of drive shaft 41 has a polygonal hole, one the is formed by aforementioned polygon hole
Two positioning regions 47.Control pin 40 is sheathed on the fixation of pedestal 20 by the polygonal hole (that is, second positioning region 47) of drive shaft 41
Axis 213, when control pin 40 is located at a position location P1 as shown in Figure 3, the second positioning region of the drive shaft 41 of control pin 40
47 are connected in the first positioning region 214 of pedestal 20, since the two is the relationship of polygonal section, as shown in figure 4, to control
Pin 40 can not the rotation of opposite base 20；On the contrary, when control pin 40 is located at an adjustment position P2 as shown in Figure 5, control pin
Second positioning region 47 of 40 drive shaft 41 is detached from the first positioning region 214 of pedestal 20, and the drive of the drive shaft 41 of control pin 40
Dynamic portion 43 is connected in the driving hole 312 of the transmission shaft 31 of resistance adjusting seat 30, since the two is the relationship of polygonal section, such as
Shown in Fig. 6, so control pin 40 at this time can be rotated together with dynamic resistance adjusting seat 30.
For another example shown in Fig. 1,2 and 4, control pin 40 has more an operation portion 45, and operation portion 45 is connected to drive shaft 41
The top of axle portion 42 and protruded from via the apical pore of the top plate of pedestal 20 23 231 pedestal 20 top plate 23 top surface, operation portion 45
Top have a designated symbol 46 (arrow as shown in the figure), by the rotation of control pin 40, so that the finger of operation portion 45
Show that symbol 46 corresponds to one of gear mark 232 of the top plate 23 of pedestal 20.
Elastic component 50 be sheathed on the axle portion 42 of the drive shaft 41 of control pin 40 and contact resistance adjusting seat 30 transmission shaft
Between 31 interior shoulder 314 and the outer shoulder 44 of control pin 40, control pin 40 is maintained at as shown in Figure 3 to provide elastic force
Position location P1.
In actual use, resistance adjustment device 10 of the invention can cooperate various forms of ropewinders and difference is arranged
Quantity, such as in cooperation single spring type ropewinder 12 as shown in Figure 7 in use, since lifting and driving rope 16 only has one,
So resistance adjustment device 10 of the invention can only be arranged one group in quantitative aspects, if it is cooperation two-fold as shown in Figure 2
In use, because lifting and driving rope 16 has left and right two, resistance adjustment device 10 of the invention needs spring formula ropewinder 14
It is arranged to two groups, however whether cooperates any ropewinder 12,14, resistance adjustment device 10 of the invention is to utilize pedestal
20 are combined into one with aforementioned ropewinder 12,14, and allow 16 pile warp guide wheel 29 of lifting and driving rope and the second tension guide rod 27 it
It is outer (as shown in Fig. 9 to Figure 12) to stretch out pedestal 20 again afterwards.
When adjusting the resistance of lifting and driving rope 16, first by the operation portion 45 of control pin 40 by control pin 40 from such as figure
Position location P1 shown in 3 is up pulled to adjustment position P2 as shown in Figure 5, keeps the second of the drive shaft 41 of control pin 40 fixed
Position portion 47 is detached from the first positioning region 214 of pedestal 20, and elastic component 50 at this time will receive the extruding of the outer shoulder 44 of control pin 40
And restoring force is accumulated, it next can start turning control pin 40.During control pin 40 rotates, due to control pin 40
The driving portion 43 of drive shaft 41 is with keeping clamping relationship between the driving hole 312 of the transmission shaft 31 of resistance adjusting seat 30, so resistance
Power adjusting seat 30 can and then rotate together, and during rotation by wherein one or more resistance adjust bar 37a~37d come
Change frictional resistance suffered by lifting and driving rope 16.For example, when resistance adjusting seat 30 is located at as shown in Figure 9 the 1st grade
When position, resistance adjusting seat 30 is connected to liter by the resistance adjustment bar 37b that leftmost resistance adjusts bar 37d and second, the right
Transmission rope 16 drops；When resistance adjusting seat 30 turns to the 2nd gear as shown in Figure 10 or 3 gear as shown in figure 11, resistance
Power adjusting seat 30 adjusts bar 37d by leftmost resistance and compresses lifting and driving rope 16, in addition passes through the resistance tune of rightmost again
Whole bar 37a ejection lifting and driving rope 16；When resistance adjusting seat 30 continues to be rotated further by 4 gear as shown in figure 12, resistance
Adjusting seat 30 adjusts bar 37c~37d by two, left side resistance and compresses lifting and driving rope 16, and passes through the resistance tune of rightmost
Whole bar 37a ejection lifting and driving rope 16.
In above-mentioned adjustment process, user can further pass through the designated symbol 46 and pedestal 20 of control pin 40
Gear mark 232 control drag size, if the number of file position mark 232 is bigger, indicate control pin 40 with dynamic resistance tune
The angle that bed rearrangement 30 rotates is bigger, also means that resistance suffered by lifting and driving rope 16 is bigger.
To be adjusted to arrive after positioning, as long as pulling force of the release to control pin 40, control pin 40 will receive returning for elastic component 50
Multiple power acts on and returns to position location P1 as shown in Figure 3, is connected in the second positioning region 47 of the drive shaft 41 of control pin 40
First positioning region 214 of pedestal 20, can not rotate control pin 40 at this time, and resistance adjusting seat 30 also can not be rotated and then.
On the other hand, in the 2nd embodiment of the invention, control pin 70 is operated in a manner of pushing, with above-mentioned implementation
Example operate in a manner of pulling up it is different, in order to cooperate the actuation of control pin 70, the first positioning region 66, the second positioning region 73
And elastic component 50 needs to be adjusted in terms of position, other structures are generally identical as previous embodiment.
Figure 13 is please referred to, pedestal 60 has more a flange 65, and flange 65 is set to around the apical pore 62 of top plate 61 and has
The octagon hole of one coaxial communication apical pore 62 forms the first positioning region 66 by aforementioned octagon hole, as the bottom end of fixing axle 64
It is then that top surface directly with bottom plate 63 links together, and gear mark 67 is arranged in around flange 65.
Second positioning region 73 of control pin 70 is adjacent to the top of driving portion 72, and the section configuration of the second positioning region 73 is eight
Side shape, and the outer diameter of the second positioning region 73 is less than the outer diameter of driving portion 72, so that an outer shoulder 74 is formed between the two, as
The operation portion 75 of control pin 70 is adjacent to the top of the second positioning region 73 and via eight side of the apical pore of top plate 61 62 and flange 65
Shape hole (that is, first positioning region 66) protrudes from the top surface of pedestal 60.In addition, the bottom end of the drive shaft 71 of control pin 70 has one
Sets of holes 76, as shown in figure 17, the section configuration of sets of holes 76 are circle, and control pin 70 is sheathed on the fixation of pedestal 60 by sets of holes 76
Axis 64 enables 70 opposite base 60 of control pin to rotate since the two is circular cross section.
Whereby, when control pin 70 is located at position location P1 as shown in figure 14, due to the ejection of elastic component 50, so that control
Second positioning region 73 of the drive shaft 71 of cotter 70 is connected in the first positioning region 66 of pedestal 60, since the two is that polygon is disconnected
Relation of plane, as shown in figure 15 so that control pin 70 can not opposite base 60 rotate, in addition, being located at sprocket bit when control pin 70
When setting P1, the outer shoulder 74 of control pin 70 is connected to the interior shoulder 314 of the transmission shaft 31 of resistance adjusting seat 30, makes control pin 70
Position can be restricted；On the contrary, when control pin 40 is located at adjustment position P2 as shown in figure 16, the drive shaft of control pin 70
71 the second positioning region 73 is detached from the first positioning region 66 of pedestal 60, and the driving portion 72 of the drive shaft 71 of control pin 70 is connected in
The driving hole 312 of the transmission shaft 31 of resistance adjusting seat 30, since the two is the relationship of polygonal section, so control at this time
Pin 70 can be rotated together with dynamic resistance adjusting seat 30.
Elastic component 50 is sheathed on the fixing axle 64 of pedestal 60 and top surface and control pin 70 of the contact in the bottom plate 63 of pedestal 60
Driving portion 72 bottom end between, control pin 70 is maintained at position location P1 as shown in figure 14.
It can be seen from the above, in practical operation, first by the operation portion 75 of control pin 70 by control pin 70 from such as Figure 14
Shown in position location P1 be pressed into adjustment position P2 as shown in figure 16 down, keep the second of the drive shaft 71 of control pin 70 fixed
Position portion 73 is detached from the first positioning region 66 of pedestal 60, elastic component 50 at this time will receive the extruding of the driving portion 72 of control pin 70 and
Restoring force is accumulated, control pin 70 next can be started turning.During control pin 70 rotates, due to the drive of control pin 70
The driving portion 72 of moving axis 71 is with keeping clamping relationship between the driving hole 312 of the transmission shaft 31 of resistance adjusting seat 30, so resistance
Adjusting seat 30 can be rotated together and then, and adjust bar 37a~37d by wherein one or more resistance during rotation to change
Become the cabling mode (as shown in Fig. 9 to Figure 12) of lifting and driving rope 16, and then achievees the effect that adjust frictional resistance.
It is to be adjusted to arrive after positioning, as long as lower amount of pressure of the release to control pin 70, control pin 70 will receive elastic component 50
Restoring force effect and return to position location P1 as shown in figure 14, block the second positioning region 73 of the drive shaft 71 of control pin 70
It is connected to the first positioning region 66 of pedestal 60, can not rotate control pin 70 at this time, resistance adjusting seat 30 also can not be rotated and then.
In conclusion as long as resistance adjustment device 10 of the invention forces control pin 40,70 actuations to adjustment position P2 i.e.
The resistance of adjustable lifting transmission rope 16, entire adjustment process do not need to carry out the dismounting in structure, and can be further
By the collocation between designated symbol 46 and file position mark 232 accurately to control drag size, uses and reach increase using just
Benefit and the effect for keeping good assembly precision.
Claims (13)
1. a kind of resistance adjustment device for no exposed pulling rod formula curtain, includes:
One pedestal, has an apical pore, one first positioning region and a fixing axle, and the section configuration of the fixing axle is circle；
One resistance adjusting seat is set to the pedestal and there is a transmission shaft to adjust bar with more resistances, and the transmission shaft is with one in more
The driving hole of side shape section, the resistance adjusting seat are rotationally sheathed on the fixation of the pedestal by the driving hole of the transmission shaft
Axis, the more resistance adjustment bars are set to around the transmission shaft；And
One control pin, have a drive shaft, the control pin by the drive shaft can upper and lower displacement and be rotationally sheathed on this
The fixing axle of pedestal, it is in the driving portion of polygonal section which, which has one second positioning region and one, when the control pin is located at
When one position location, the second positioning region of the drive shaft of the control pin is connected in the first positioning region of the pedestal, makes the control pin
It can not rotate, when the control pin is located at an adjustment position, the second positioning region of the drive shaft of the control pin is detached from the pedestal
First positioning region, and the driving portion of the drive shaft of the control pin is embedded in the driving hole of the transmission shaft of the resistance adjusting seat, makes this
Control pin can drive the resistance adjusting seat to rotate together.
2. the resistance adjustment device for no exposed pulling rod formula curtain as described in claim 1, wherein first positioning region is adjacent
It is connected to the bottom end of the fixing axle, the section configuration of first positioning region is polygon, and the bottom end of the drive shaft of the control pin has
One polygonal hole, the polygonal hole form second positioning region, which is rotationally sheathed on this by the polygonal hole
The fixing axle of pedestal.
3. resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 2, the wherein resistance adjusting seat
The top of transmission shaft has shoulder in one, and the drive shaft of the control pin has the axle portion of a rounded section, and the axle portion is adjacent should
Driving portion and the one outer shoulder of formation between the driving portion, the resistance adjustment device have more an elastic component, which is arranged
In the drive shaft of the control pin axle portion and contact between the inside and outside shoulder, the control pin is maintained at the sprocket bit
It sets.
4. the resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 3, wherein the control pin has more
One operation portion, the operation portion connect the top of the axle portion of the drive shaft and protrude from the top of the pedestal via the apical pore of the pedestal
Face.
5. the resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 4, wherein the top surface of the pedestal has
There are multiple gears to indicate, the gear mark is surrounded on around the apical pore, and the operation portion of the control pin has a designated symbol,
The designated symbol is indicated corresponding to wherein gear.
6. the resistance adjustment device for no exposed pulling rod formula curtain as described in claim 1, wherein the top surface of the pedestal has
There is a flange, which is set to around the apical pore and the polygonal hole with the coaxial communication apical pore, the polygonal hole shape
At first positioning region, the second positioning region of the control pin is adjacent to the top of the driving portion, the section shape of second positioning region
Shape is polygon, and the bottom end of the drive shaft of the control pin has a sets of holes, and the section configuration of the sets of holes is circle, the control pin
Drive shaft be rotationally sheathed on the fixing axle of the pedestal by the sets of holes.
7. resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 6, the wherein resistance adjusting seat
The top of transmission shaft has shoulder in one, which has an external shoulder between second positioning region and the driving portion
Portion, when the control pin is located at the position location, which is mutually abutted.
8. the resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 6, wherein the control pin has more
One operation portion, the top of the second positioning region of the adjacent drive shaft of the operation portion and via the more of the apical pore of the pedestal and the flange
Side shape hole and the top surface for protruding from the pedestal.
9. the resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 8, wherein the top surface of the pedestal has
There are multiple gears to indicate, the gear mark is set to around the flange, and the operation portion of the control pin has a designated symbol, should
Designated symbol is indicated corresponding to wherein gear.
10. resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 6, the wherein resistance adjustment device
With more an elastic component, which is sheathed on the fixing axle of the pedestal and contact is in the bottom surface of the pedestal and the drive of the control pin
Between the bottom end in dynamic portion, the control pin is maintained at the position location.
11. resistance adjustment device for no exposed pulling rod formula curtain as described in claim 1, wherein the resistance adjusting seat is more
With a upper flange and a lower wing plate, which connects the top of the transmission shaft, bottom both ends, and the resistance adjustment bar is set to
It is alternatively arranged between the upper and lower wing plate and using the center of the driving hole of the transmission shaft as the center of circle in arcuation.
12. the resistance adjustment device for no exposed pulling rod formula curtain as claimed in claim 11, wherein the pedestal has one
Upper accommodation groove with once accommodation groove, the upper and lower wing plate of the resistance adjusting seat are rotatably received in the upper and lower accommodation groove.
13. the resistance adjustment device for no exposed pulling rod formula curtain as described in claim 1, wherein the two of the pedestal are opposite
End is respectively provided with one first tension guide rod and one second tension guide rod, and the pedestal is set to the first tension guide rod with more one
Guide wheel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160413.4A CN109875374B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
| CN201711274474.5A CN109875373B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274474.5A CN109875373B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160413.4A Division CN109875374B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109875373A true CN109875373A (en) | 2019-06-14 |
| CN109875373B CN109875373B (en) | 2021-02-26 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711274474.5A Active CN109875373B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
| CN201810160413.4A Active CN109875374B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160413.4A Active CN109875374B (en) | 2017-12-06 | 2017-12-06 | Resistance adjusting device for non-exposed pull rope type curtain |
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| CN (2) | CN109875373B (en) |
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| CN1331945A (en) * | 2000-07-06 | 2002-01-23 | 尼威尔操作公司 | Cordless sunshading curtain with variable resistance to motion |
| US7228797B1 (en) * | 2000-11-28 | 2007-06-12 | Sundberg-Ferar, Inc. | Cordless blind |
| CN2825911Y (en) * | 2005-10-09 | 2006-10-11 | 林世明 | Guide wheel stand structure for curtain cord |
| TW201307667A (en) * | 2011-08-04 | 2013-02-16 | Teh Yor Co Ltd | Curtain with resistance balance mechanism |
| CN203867437U (en) * | 2014-03-28 | 2014-10-08 | 太仓敬富塑胶制品有限公司 | Horizontal type curtain without exposed digging rope |
| CN204552578U (en) * | 2015-03-27 | 2015-08-12 | 太仓敬富塑胶制品有限公司 | Without the reinforced resistance adjustment device of exposed pulling rod curtain |
| CN205532187U (en) * | 2016-01-29 | 2016-08-31 | 亿丰综合工业股份有限公司 | Curtain lifting control structure |
| CN205713882U (en) * | 2016-04-19 | 2016-11-23 | 亿丰综合工业股份有限公司 | The spring case of Non-pull-cord type curtain and resistance structure thereof |
| JP2017210863A (en) * | 2016-05-19 | 2017-11-30 | 立川ブラインド工業株式会社 | Shielding device |
| CN206513281U (en) * | 2017-03-01 | 2017-09-22 | 浙江万宝塑料制品有限公司 | A kind of drive retainer mechanism of Cordless curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109875373B (en) | 2021-02-26 |
| CN109875374A (en) | 2019-06-14 |
| CN109875374B (en) | 2021-02-26 |
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