CN106639841B - Venetian blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail - Google Patents
Venetian blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail Download PDFInfo
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- CN106639841B CN106639841B CN201611104119.9A CN201611104119A CN106639841B CN 106639841 B CN106639841 B CN 106639841B CN 201611104119 A CN201611104119 A CN 201611104119A CN 106639841 B CN106639841 B CN 106639841B
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- shaft
- speed change
- shrapnel
- wheel
- lifting rope
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
Abstract
The present invention proposes a kind of venetian blind speed change box, and export pinion gear, drive gear wheel and transmission gear are rotatably equipped in speed change box body；The center of pinion gear is exported with export wheel shaft and with export axle hole, with drive shaft and with driving wheel axis hole, transmission gear, which has, to be engaged the transmission gear wheel of connection with export pinion gear and engages the drive pinion of connection with drive gear wheel in the center of drive gear wheel.A kind of venetian blind speed change system is proposed again comprising has above-mentioned speed change box, export pinion shaft is connected with export end plug, drive gear wheel axis connection has driving end plug, exports and sets 2 serving groups on the plug of end, drives and sets at least one shrapnel group on the plug of end.Also propose a kind of variable speed model Non-stay-cord venetian blind upper rail, above-mentioned speed change system and lifting rope steering base are equipped in its upper rail main body, different transmission ratios is generated by the different gear ratio of export pinion gear, the drive gear wheel of speed change box, realizes laborsaving, strength abundance when packing up using effect when curtain pulls open.
Description
Technical field
The present invention relates to venetian blinds, specifically the venetian blind upper rail without drawstring and the component being installed in upper rail.
Background technology
Venetian blind not only has the function of ventilation, shading and sound insulation, can also decorate room, be loved by consumers.This
Applicant has applied for a kind of Non-stay-cord venetian blind not long ago（Publication No. CN201310361248）Comprising have upper rail, under
Rail, curtain and lifting rope；Shrapnel lifting rope mechanism and rotaring wheeling base are equipped in upper rail, shrapnel lifting rope mechanism includes shell and is set in shell
Cord winder, cord winder includes scrollwork shrapnel, master file wheel and secondary rolling wheel；Master file wheel is sequentially coaxially equipped with master file spring set, master
Gear and main reel, master file wheel are movably installed in by axis in shell；Secondary rolling wheel is sequentially coaxially equipped with secondary wind spring set, pinion
With secondary reel, secondary rolling wheel is movably installed in by axis in shell；Master gear engages connection with pinion；The master file spring of master file wheel
Suit scrollwork shrapnel is put on, the inner termination of scrollwork shrapnel is fixedly connected with the master file spring set of master file wheel, the external end head of scrollwork shrapnel
It pulls out and is fixedly connected with the secondary wind spring set of secondary rolling wheel, curtain includes ladder rope and blade, and the both ends of ladder rope are separately connected upper rail
Rotaring wheeling base and lower rail, what each blade separated connects with ladder rope, through-hole is provided on each blade, one end of 2 lifting ropes bypasses 2 respectively
A rotaring wheeling base is connected to lower rail after being then passed through the through-hole of each blade；The other end of 1 lifting rope connects and is wound in shrapnel lifting rope machine
The other end of the main reel of the master file wheel of structure, another 1 lifting rope connects and is wound in the secondary reel of secondary rolling wheel.This shutter
In use, user overcomes the pull-back forces of shrapnel lifting rope mechanism to pull out curtain to curtain, when stopping operation, shrapnel lifting rope mechanism
By the preset pull-back forces of scrollwork shrapnel after deformation, the weight for balancing curtain and lower rail determines the open position of shutter
Position, disadvantage is that：For the larger curtain of curtain, weight is bigger when curtain pulls out more, and curtain position is determined
The pull-back forces of the shrapnel lifting rope mechanism of position increase therewith, and such one is to need to assemble the prodigious scrollwork shrapnel of elastic force or assemble more
A scrollwork shrapnel, while the length of scrollwork shrapnel is longer, and manufacturing cost is caused to increase, difficulty increases, second is that user pulls open curtain
When need the pull-back forces of shrapnel lifting rope mechanism overcome increasing, cause operation very laborious, it is inconvenient for use.Therefore it needs to change
Into.
Invention content
The purpose of the present invention is to propose to a kind of variable speed model Non-stay-cord venetian blind upper rails, are equipped with venetian blind speed change system
System, it is possible to reduce the length of shrapnel reduces the manufacturing cost of curtain to keep driving mechanism structure simple in shrapnel lifting rope mechanism
And difficulty, while curtain can be made easily to pull open, keep the operation of curtain more easy and convenient.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of venetian blind speed change box includes speed change box body, export pinion gear, drive gear wheel and transmission gear.
The speed change box body is made of bottom and cap fastening, and internal middle part is separated into export driving groove and drive by riser
Driving groove is moved, there is the wheel shaft mounting hole being correspondingly arranged on the two side of speed change box body and riser.
Export pinion gear center have export wheel shaft and with export axle hole, export pinion gear by export wheel shaft with
Wheel shaft mounting hole is movably arranged in the export driving groove of speed change box body.
The center of drive gear wheel with drive shaft and with driving wheel axis hole, drive gear wheel by drive shaft and
Wheel shaft mounting hole is movably arranged in the driving driving groove of speed change box body.
The center of transmission gear has power axle, has the transmission gear wheel of coaxial arrangement on power axle and is driven small
Gear, transmission gear are movably arranged at by power axle and wheel shaft mounting hole in speed change box body, and transmission gear wheel is located at export
Connection is engaged in driving groove and with export pinion gear, drive pinion is located in driving driving groove and company is engaged with drive gear wheel
It connects, export wheel shaft and drive shaft are in line arrangement.
A kind of venetian blind speed change system comprising have 2~4 serving groups, at least one shrapnel group, speed change box, export end
Plug and driving end plug.
Serving group includes serving assembly housing and lifting rope reel, and serving assembly housing is made of bottom and cap fastening, and two
End wall is perforated with spool shaft, and with spool shaft and with reel axis hole, lifting rope reel passes through spool shaft for the center of lifting rope reel
It is installed in serving assembly housing with spool shaft perforating movable, lifting rope is wound on lifting rope reel, the external end head of lifting rope is by serving group
The bottom of shell is pierced by, and serving group is by reel axis hole fixing sleeve loaded on export end plug.
Shrapnel group includes shrapnel assembly housing, scrollwork shrapnel, shrapnel drive shaft and shrapnel export axis, and shrapnel assembly housing is by a left side
Lid and right cover docking are fastened and are constituted, and 2 axis perforation are respectively provided in end walls, and the center of shrapnel drive shaft has drive shaft
Hole, shrapnel drive shaft and shrapnel export axis are set to by axis perforating movable in shrapnel assembly housing respectively, the inner termination of scrollwork shrapnel
It is fixedly connected with shrapnel drive shaft, external end head is pulled out and is fixedly connected with shrapnel export axis；Shrapnel group passes through drive shaft hole fixing sleeve
In on driving end plug.
Serving group and shrapnel group are coupled by speed change box, and the speed change box is above-mentioned venetian blind speed change box, exports end core
The one end fixation of stick inserts in the export axle hole of speed change box, and the one end of driving end plug fixes the driving for inserting in speed change box
In axle hole.
A kind of variable speed model Non-stay-cord venetian blind upper rail comprising have flute profile upper rail main body and be installed in upper rail main body
Venetian blind driving mechanism and lifting rope steering base.
The venetian blind driving mechanism is above-mentioned venetian blind speed change system, serving assembly housing, speed change box body and bullet
Piece assembly housing is fixedly connected with upper rail main body respectively.
Lifting rope steering base is the rectangular housing of upper and lower opening, internal that there is at least 1 lifting rope steering shaft, two side to have
There are pedestal perforation, 1 lifting rope steering base of each serving group collocation, lifting rope steering base to be fixedly connected in upper rail main body, Mei Gejuan
The external end head of the lifting rope of rope group pass through lifting rope steering base pedestal perforation, by lifting rope turn to axle steer after under lifting rope steering base
Opening is pierced by；Exporting end plug passes through the pedestal of lifting rope steering base to perforate.
Prioritization scheme, variable speed model Non-stay-cord venetian blind upper rail of the invention further includes having shaft, each lifting rope steering base
Upper movable axis is equipped with blade steering wheel, and the center of blade steering wheel is with steering wheel shaft and with deflecting roller axis hole, lifting rope steering
There is notch type axle bed, blade steering wheel to be lived with lifting rope steering base by steering wheel shaft and notch type axle bed on the two side top of seat
It is dynamic to connect, terraced rope is mounted on blade steering wheel, the external end head of ladder rope is pierced by by the under shed of lifting rope steering base, and shaft passes through 2
The deflecting roller axis hole of a blade steering wheel is simultaneously fixedly connected, and one end of shaft is equipped with shaft driving group and transfer rod.
Scheme is advanced optimized, the shaft driving group includes driving assembly housing, is movably arranged in driving assembly housing
Transfer rod end cone gear, transfer rod transmission gear and shaft end helical gear, the helical gear wheel shaft in shaft end by driving assembly housing top
It is pierced by and there is transfer rod jack, the wheel shaft of transfer rod end cone gear to be pierced by by driving assembly housing and be connected transfer rod in the center of wheel shaft, turn
The wheel shaft of stick transmission gear coaxially has bevel gear portion and whirlpool gear portion, and connection, whirlpool are engaged with transfer rod end cone gear by bevel gear portion
Gear part engages connection with shaft end helical gear, and the end of shaft, which is fixed, to be inserted in the helical gear transfer rod jack in shaft end.
The top setting of further prioritization scheme, the serving assembly housing, speed change box body, shrapnel assembly housing has bayonet
Shaft positioning strip, shaft passes through the bayonet of shaft positioning strip to be positioned at serving group, speed change box, in shrapnel group.
Further prioritization scheme, the serving assembly housing, speed change box body, shrapnel assembly housing top have rectangular card
The end edge of slot, shaft positioning strip inserts in rectangle card slot.
The present invention has substantive distinguishing features and significant progress following prominent：The variable speed drives type of the present invention is without drawstring hundred
Leaf Curtain top rail generates different transmission ratios, makes by exporting the pinion gear gear ratio different with drive gear wheel in speed change box
：（1）When designing the driving mechanism of Non-stay-cord venetian blind, the length of shrapnel can be greatly reduced, structure is made to simplify, effectively dropped
The low manufacturing cost and manufacture difficulty of curtain；（2）Larger rotating speed is generated by export pinion gear when operation pulls out curtain, makes curtain
Laborsaving pull-out assigns curtain rapid operation, feature easy to use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the venetian blind speed change system of the present invention.
Fig. 2 is the assembling schematic diagram of the speed change box of the present invention.
Fig. 3 is the assembling schematic diagram of the venetian blind speed change system of the present invention.
Fig. 4 is the structural schematic diagram of the variable speed model Non-stay-cord venetian blind upper rail of the present invention.
Fig. 5 is the structural schematic diagram of the lifting rope steering base of the present invention.
Fig. 6 is the structural schematic diagram of the shaft driving group of the present invention.
Fig. 7 uses schematic diagram for variable speed model Non-stay-cord venetian blind upper rail of the invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
Referring to figs. 1 to Fig. 3, a kind of venetian blind speed change system comprising have 2 serving groups 3,1 shrapnel groups 4, speed changes
Box 1, export end plug 21 and driving end plug 22.
Serving group 3 includes serving assembly housing 31 and lifting rope reel 32, and serving assembly housing 31 fastens structure by bottom and cap
At, end walls there is spool shaft to perforate 310, the center of lifting rope reel 32 with spool shaft 321 and with reel axis hole 320,
Lifting rope reel 32 is movably installed in by spool shaft 321 and spool shaft perforation 310 in serving assembly housing 31, is twined on lifting rope reel 32
It is wound with lifting rope 33, the external end head of lifting rope 33 is pierced by by the bottom of serving assembly housing 31, and 2 serving groups 3 are solid by reel axis hole 320
Surely it is set on export end plug 21.
Shrapnel group 4 includes shrapnel assembly housing 41, scrollwork shrapnel 42, shrapnel drive shaft 43 and shrapnel export axis 44, shrapnel
Assembly housing 41 is fastened by left cover and right cover docking and is constituted, and 2 axis perforation 410, shrapnel drive shaft 43 are respectively provided in end walls
Center there is drive shaft hole 430, shrapnel drive shaft 43 and shrapnel export axis 44 410 to be movably arranged at shrapnel by axis perforation respectively
In assembly housing 41, the inner termination of scrollwork shrapnel 42 is fixedly connected with shrapnel drive shaft 43, external end head pulls out and exports axis 44 with shrapnel
It is fixedly connected；Shrapnel group 4 is placed on by the fixation of drive shaft hole 430 on driving end plug 22.
Serving group 3 and shrapnel group 4 are coupled by speed change box 1, and the speed change box 1 is venetian blind speed change box comprising is had
Speed change box body 11, export pinion gear 12, drive gear wheel 13 and transmission gear 14.
The speed change box body 11 is made of bottom and cap fastening, and internal middle part is separated into export driving groove by riser
111 and driving driving groove 112, there is on the two side of speed change box body 11 and riser the wheel shaft mounting hole 110 being correspondingly arranged.
The center of pinion gear 12 is exported with export wheel shaft 120 and with export axle hole 121, pinion gear 12 is exported and passes through
Export wheel shaft 120 and wheel shaft mounting hole 110 are movably arranged in the export driving groove 111 of speed change box body 11.
With drive shaft 130 and with driving wheel axis hole 131, drive gear wheel 13 passes through in the center of drive gear wheel 13
Drive shaft 130 and wheel shaft mounting hole 110 are movably arranged in the driving driving groove 112 of speed change box body 11.
The center of transmission gear 14 has power axle 140, has the transmission gear wheel of coaxial arrangement on power axle 140
142 and drive pinion 143, transmission gear 14 is movably arranged at speed change box body 11 by power axle 140 and wheel shaft mounting hole 110
Interior, transmission gear wheel 142 is located in export driving groove and pinion gear 12 engages connection, drive pinion 143 is located at export
Engage in driving driving groove and with drive gear wheel 13 connection, exports wheel shaft 120 and drive shaft 130 is in line arrangement；Export
The one end fixation of end plug 21 inserts in the export axle hole 121 of speed change box 1, and the one end fixation of driving end plug 22 inserts in
In the driving wheel axis hole 131 of speed change box 1.
The venetian blind speed change system of the present invention is installed in existing venetian blind upper rail, lifting rope is logical by the prior art
The blade of venetian blind is passed through to be connect with lower rail after crossing steering base.
When drawing the curtain apart, the lifting rope of serving group is drawn out, and lifting rope spool turns drive export end plug and export pinion gear
Rotation drives drive gear wheel and driving end plug rotation, the shrapnel of shrapnel group is made to drive by the gearing of transmission gear
Shaft rotation is dynamic, and scrollwork shrapnel generates deformation and generates pull-back forces.
When packing up curtain, curtain lower rail, the weight balancing quilt of the pull-back forces and curtain body and lower rail of scrollwork shrapnel are held up
Break, the pull-back forces of scrollwork shrapnel make shrapnel driving wheel rotate, and drive driving end plug, drive gear wheel, transmission gear, export
Pinion gear, export end plug rotation, make lifting rope spool turns winding lifting rope and pack up curtain.
When stopping drag or packing up curtain, pull-back forces and curtain body and lower rail weight balancing, pass through transmission gear
Gearing, make export end plug, export pinion gear, drive gear wheel and driving end plug do not rotate, by shutter
Open position positions.
As a result of speed change system, the length of scrollwork shrapnel can greatly reduce the venetian blind of the present invention, make driving machine
The structure of structure greatly simplifies, and reduces the manufacturing cost and difficulty of curtain, also makes curtain operation easy and convenient, improves curtain
Usage comfort.
Embodiment 2
With reference to figure 4 to Fig. 7, a kind of variable speed drives type Non-stay-cord venetian blind upper rail comprising have 5 He of flute profile upper rail main body
Venetian blind driving mechanism, lifting rope steering base 6, shaft 7 and the shaft driving group 8 being installed in upper rail main body 5.
The venetian blind driving mechanism is the venetian blind speed change system of embodiment 1, serving assembly housing 31, speed change box
Body 11 and shrapnel assembly housing 41 are respectively fixedly connected in the slot of upper rail main body 5；
Lifting rope steering base 6 is the rectangular housing of upper and lower opening, internal to have at least 1 lifting rope steering shaft 62, two side
With pedestal perforation 60,1 lifting rope steering base 6 of each collocation of serving group 3, lifting rope steering base 6 is fixedly connected on upper rail main body 5
In slot, the external end head of 2 lifting ropes 33 of 2 serving groups 3 is each passed through the pedestal perforation 60 of 2 lifting rope steering bases 6, is turned by lifting rope
It is pierced by from the under shed of lifting rope steering base 6 after being turned to axis 62；Exporting end plug 21 passes through the pedestal of lifting rope steering base 6 to perforate
60。
Movable axis is equipped with blade steering wheel 71 on each lifting rope steering base 6, and the center of blade steering wheel 71 has deflecting roller
Axis 72 simultaneously has deflecting roller axis hole 73, and the two side top of lifting rope steering base 6 has notch type axle bed 61, blade steering wheel 71 logical
It crosses steering wheel shaft 72 and notch type axle bed 61 is flexibly connected with lifting rope steering base 6, ladder rope 90, ladder are mounted on blade steering wheel 71
The external end head of rope 90 is pierced by by the under shed of lifting rope steering base 6, and shaft 7 passes through the deflecting roller axis hole 73 of 2 blade steering wheels 71
And be fixedly connected, one end of shaft 7 is equipped with shaft driving group 8 and transfer rod 9.
The serving assembly housing 31, speed change box body 11, shrapnel assembly housing 41 top have rectangle card slot 75, have bayonet
Shaft positioning strip 74 be set to the top of serving assembly housing 31, speed change box body 11, shrapnel assembly housing 41, shaft positioning strip 74
End edge inserts in rectangle card slot 75, and shaft 7 passes through the bayonet of shaft positioning strip 74 to be positioned at serving group 3, speed change box 1, shrapnel
In group 4.
The shaft driving group 8 includes the transfer rod end cone tooth for driving assembly housing 81, being movably arranged in driving assembly housing 81
Wheel 82, transfer rod transmission gear 83 and shaft end helical gear 84, the wheel shaft 840 of shaft end helical gear 84 is by the upper of driving assembly housing 81
Portion is pierced by and there is transfer rod jack 841, the wheel shaft 820 of transfer rod end cone gear 82 to be worn by driving assembly housing 81 in the center of wheel shaft 840
Go out and connect transfer rod 9, the wheel shaft 830 of transfer rod transmission gear 83 coaxially has bevel gear portion 831 and whirlpool gear portion 832, bevel gear
Connection is engaged in portion 831 with transfer rod end cone gear 82, connection, the end of shaft 7 are engaged with shaft end helical gear 84 by whirlpool gear portion 832
Fixation inserts in the transfer rod jack 841 of shaft end helical gear 84.
In conjunction with reference to figure 7, the venetian blind of the upper rail of the present invention is installed, 2 lifting ropes 33 are turned to by lifting rope steering base 6
It is connected to lower rail across blade group afterwards, each spacing with blades of blade group is connected to ladder rope 90, rotates transfer rod 9, transfer rod end cone gear
82, transfer rod transmission gear 83 and shaft end helical gear 84 rotate synchronously, and shaft 7, blade steering wheel 71 is made to rotate, and pass through ladder rope 90
So that the blade of curtain is opened certain angle, realizes the sunshade air permeability effect that user needs.
Claims (6)
1. venetian blind speed change system, it is characterised in that：Include 2~4 serving groups（3）, at least one shrapnel group（4）, speed change
Box（1）, export end plug（21）With driving end plug（22）；
Serving group（3）It include serving assembly housing（31）With lifting rope reel（32）, serving assembly housing（31）By bottom and cap button
It closes and constitutes, end walls are perforated with spool shaft（310）, lifting rope reel（32）Center have spool shaft（321）And with volume
Cylinder axis hole（320）, lifting rope reel（32）Pass through spool shaft（321）It perforates with spool shaft（310）It is movably installed in serving assembly housing
（31）It is interior, lifting rope reel（32）On be wound with lifting rope（33）, lifting rope（33）External end head by serving assembly housing（31）Bottom wear
Go out, serving group（3）Pass through reel axis hole（320）Fixing sleeve is loaded on export end plug（21）On；
Shrapnel group（4）It include shrapnel assembly housing（41）, scrollwork shrapnel（42）, shrapnel drive shaft（43）Axis is exported with shrapnel
（44）, shrapnel assembly housing（41）It is fastened and is constituted by left cover and right cover docking, 2 axis perforation are respectively provided in end walls（410）,
Shrapnel drive shaft（43）Center have drive shaft hole（430）, shrapnel drive shaft（43）Axis is exported with shrapnel（44）Pass through respectively
Axis is perforated（410）It is movably arranged at shrapnel assembly housing（41）It is interior, scrollwork shrapnel（42）Inner termination and shrapnel drive shaft（43）It is fixed
Connection, external end head are pulled out exports axis with shrapnel（44）It is fixedly connected；Shrapnel group（4）Pass through drive shaft hole（430）Fixation is placed on drive
Moved end plug（22）On；
The speed change box（1）It include speed change box body（11）, export pinion gear（12）, drive gear wheel（13）And transmission gear
（14）；
The speed change box body（11）It is made of bottom and cap fastening, internal middle part is separated into export driving groove by riser
（111）With driving driving groove（112）, speed change box body（11）Two side and riser on there is the wheel shaft mounting hole that is correspondingly arranged
（110）；
Export pinion gear（12）Center have export wheel shaft（120）And with export axle hole（121）, export pinion gear（12）
By exporting wheel shaft（120）With wheel shaft mounting hole（110）It is movably arranged at speed change box body（11）Export driving groove in；
Drive gear wheel（13）Center have drive shaft（130）And there is driving wheel axis hole（131）, drive gear wheel（13）
Pass through drive shaft（130）With wheel shaft mounting hole（110）It is movably arranged at speed change box body（11）Driving driving groove in；
Transmission gear（14）Center have power axle（140）, power axle（140）The upper transmission canine tooth with coaxial arrangement
Wheel（142）And drive pinion（143）, transmission gear（14）Pass through power axle（140）With wheel shaft mounting hole（110）Activity is set
In speed change box body（11）It is interior, it is driven gear wheel（142）Positioned at export driving groove（111）It is interior and with export pinion gear（12）Engagement
Connection, drive pinion（143）Positioned at driving driving groove（112）Interior and and drive gear wheel（13）Engagement connection, exports wheel shaft
（120）With drive shaft（130）Be in line arrangement；
Serving group（3）And shrapnel group（4）Pass through speed change box（1）Connection exports end plug（21）One end fixation insert in speed change
Box（1）Export axle hole（121）It is interior, drive end plug（22）One end fixation insert in speed change box（1）Driving wheel axis hole
（131）It is interior.
2. variable speed model Non-stay-cord venetian blind upper rail comprising there is flute profile upper rail main body（5）Be installed on upper rail main body（5）Interior
Venetian blind driving mechanism and lifting rope steering base（6）, it is characterised in that：
The venetian blind driving mechanism is venetian blind speed change system described in claim 1, serving assembly housing（31）, become
Fast box body（11）With shrapnel assembly housing（41）Respectively with upper rail main body（5）It is fixedly connected；
Lifting rope steering base（6）It is internal that there is at least 1 lifting rope steering shaft for the rectangular housing of upper and lower opening（62）, two side
It perforates with pedestal（60）, each serving group（3）1 lifting rope steering base of collocation（6）, lifting rope steering base（6）It is fixedly connected on
Rail main body（5）It is interior, each serving group（3）Lifting rope（33）External end head pass through lifting rope steering base（6）Pedestal perforation（60）, by
Lifting rope steering shaft（62）From lifting rope steering base after steering（6）Under shed be pierced by；Export end plug（21）Across lifting rope steering base
（6）Pedestal perforation（60）.
3. variable speed model Non-stay-cord venetian blind upper rail according to claim 2, it is characterised in that：
Further include having shaft（7）, each lifting rope steering base（6）Upper movable axis is equipped with blade steering wheel（71）, blade steering wheel
（71）Center have steering wheel shaft（72）And there is deflecting roller axis hole（73）, lifting rope steering base（6）Two side top have
Notch type axle bed（61）, blade steering wheel（71）Pass through steering wheel shaft（72）With notch type axle bed（61）With lifting rope steering base（6）
Flexible connection, blade steering wheel（71）On be mounted with terraced rope（90）, ladder rope（90）External end head by lifting rope steering base（6）Under open
Mouth is pierced by, shaft（7）Across 2 blade steering wheels（71）Deflecting roller axis hole（73）And it is fixedly connected, shaft（7）One end set
There is shaft driving group（8）And transfer rod（9）.
4. variable speed model Non-stay-cord venetian blind upper rail according to claim 3, it is characterised in that：
The shaft driving group（8）It include driving assembly housing（81）, be movably arranged at driving assembly housing（81）Interior transfer rod end cone
Gear（82）, transfer rod transmission gear（83）With shaft end helical gear（84）, shaft end helical gear（84）Wheel shaft（840）By driving
Assembly housing（81）Top be pierced by and wheel shaft（840）Center have transfer rod jack（841）, transfer rod end cone gear（82）Wheel shaft
（820）By driving assembly housing（81）It is pierced by and connects transfer rod（9）, transfer rod transmission gear（83）Wheel shaft（830）It is coaxial that there is cone
Gear part（831）With whirlpool gear portion（832）, bevel gear portion（831）With transfer rod end cone gear（82）Engagement connection, whirlpool gear portion
（832）With shaft end helical gear（84）Engagement connection, shaft（7）End fix insert in shaft end helical gear（84）Transfer rod insert
Hole（841）It is interior.
5. variable speed model Non-stay-cord venetian blind upper rail according to claim 3 or 4, it is characterised in that：
Serving assembly housing（31）, speed change box body（11）, shrapnel assembly housing（41）Top setting with bayonet shaft positioning strip
（74）, shaft（7）Across shaft positioning strip（74）Bayonet be positioned at serving group（3）, speed change box（1）, shrapnel group（4）On.
6. variable speed model Non-stay-cord venetian blind upper rail according to claim 5, it is characterised in that：
The serving assembly housing（31）, speed change box body（11）, shrapnel assembly housing（41）Top have rectangle card slot（75）, shaft
Positioning strip（74）End edge insert in rectangle card slot（75）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104119.9A CN106639841B (en) | 2016-12-05 | 2016-12-05 | Venetian blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104119.9A CN106639841B (en) | 2016-12-05 | 2016-12-05 | Venetian blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639841A CN106639841A (en) | 2017-05-10 |
| CN106639841B true CN106639841B (en) | 2018-08-28 |
Family
ID=58820006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611104119.9A Active CN106639841B (en) | 2016-12-05 | 2016-12-05 | Venetian blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail |
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| Country | Link |
|---|---|
| CN (1) | CN106639841B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316842A (en) * | 2018-04-03 | 2018-07-24 | 北京尚亿嘉科技有限公司 | Jalousie curtain structure and automatic shutter blind system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1664471T3 (en) * | 2003-08-20 | 2019-03-18 | Hunter Douglas | Retractable roller blind with folding slats |
| US7624785B2 (en) * | 2007-07-19 | 2009-12-01 | Teh Yor Co., Ltd. | Self-raising window covering |
| CN102454732B (en) * | 2010-10-20 | 2014-09-10 | 大常窗户系统有限公司 | Low noise decelerator for control of winding speed of rotating roll |
| CN204163602U (en) * | 2014-06-26 | 2015-02-18 | 黄贤德 | Formula groups of shades falls in resistance |
| CN206386068U (en) * | 2016-12-05 | 2017-08-08 | 广州丰鼎五金制品有限公司 | Sun blind speed change box, speed change system and variable speed model Non-stay-cord venetian blind upper rail |
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2016
- 2016-12-05 CN CN201611104119.9A patent/CN106639841B/en active Active
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