CN108425617B - Torsion assisting assembly - Google Patents
Torsion assisting assembly Download PDFInfo
- Publication number
- CN108425617B CN108425617B CN201710081318.0A CN201710081318A CN108425617B CN 108425617 B CN108425617 B CN 108425617B CN 201710081318 A CN201710081318 A CN 201710081318A CN 108425617 B CN108425617 B CN 108425617B
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- China
- Prior art keywords
- torsion
- long hole
- hook
- base portion
- engaging member
- 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.)
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- 238000005452 bending Methods 0.000 claims description 26
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- 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
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
-
- 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
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/60—Spring drums operated only by closure members
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to a torsion assisting assembly which is used in a rolling type covering curtain and provides torsion assisting force to enable curtain cloth in the covering curtain to be automatically rolled into a rolling curtain shaft tube, the torsion assisting assembly comprises a torsion connector and a torsion spring, the torsion spring is inserted and hooked in a long hole of the torsion connector by a hook pin shaped like Contraband at one end of the torsion spring, a non-return hook is further formed in the long hole by the torsion connector, the non-return hook has a blocking and limiting function on the hook pin shaped like Contraband, and the hook pin shaped like Contraband of the torsion spring is difficult to loosen after passing through the long hole of the torsion connector for hooking and connecting, so that the combination stability between the two is improved.
Description
Technical field
The present invention relates to one kind to keep the cord in article shading curtain automatic in rolling article shading curtain, providing torsion power-assisted
It furls to the torsion power-assisted component inside roller shutter central siphon.
Background technique
Cord a side is mainly arranged on a shaft by existing rolling article shading curtain, then by cord and its shaft of connection
It is installed in central siphon together, so that cord is stretched out expansion from the long hole of central siphon side, and can be furled in central siphon.To make cord
Have the function of reeling automatically, existing rolling article shading curtain also installs a torsion power-assisted component in roller shutter central siphon, uses and utilizes torsion
Turn to provide torsion power-assisted when power-assisted component furls cord to shaft.
In existing rolling article shading curtain mechanism, it is known that torsion power-assisted component generally have following several versions, in which:
Such as 10 2,007 051 056 B3 Patent Case of DE, disclose torsion power-assisted component include a torsion combination member with
One torsionspring, the torsion combination member are made of multicomponent, the at L-shaped hook joint foot of torsionspring one end shape, and with
The L shape hook joint is worn is clamped fixation in the torsion combination member.
" roll bar for rolling article shading curtain " as disclosed in CN102041964B patent of invention case, torsion power-assisted component are
Using the combination of single-piece torsion engaging member and torsionspring, outer peripheral surface radial projection one of the torsion engaging member in its column portion is convex
Block, the spiral spring ontology of torsionspring is sheathed on the outside of the column portion of torsion engaging member, and torsionspring is in its spring body
End formed a lasso, be sleeved and fixed using the lasso on the convex block of the torsion engaging member.The group of this torsion power-assisted component
At construction, though the torsion combination member that 10 2,007 051 056 B3 Patent Case of more aforementioned DE uses multicomponent to form, has knot
Structure is simple, at low cost and other effects.But after torsionspring is sheathed on torsion engaging member column portion with its spiral spring ontology, then
It is arranged the combination being fixed on the convex block of torsion engaging member with the lasso of spring body end, is not easy packing problem.
In addition, existing torsion power-assisted component also utilizes the at L-shaped pin of torsionspring side shape or " Fang " shape pin, in
Setting perforation or long hole on engaging member are reversed, the L shape pin of torsionspring side or the combination that " Fang " shape insertion is fixed are provided
Construction.The torsionspring is inserted and fixed to perforation or the long hole of torsion engaging member with its L shape pin or " Fang " shape pin
Composite construction, compared with aforementioned torsionspring is arranged the construction being fixed on the convex block of torsion engaging member with the lasso of its side,
It is loaded onto group relatively simple, and there are the functions such as structure is simple.
Wherein, group of the hook joint in the long hole of torsion engaging member is plugged with the " Fang " shape pin that torsionspring side is formed
The combination for the composite construction for closing construction, and being inserted in the perforation of torsion engaging member than the L shape pin of torsionspring side consolidates
It is fixed good.But combined with the torsionspring of " Contraband " shape pin in the composite construction of the torsion engaging member with long hole, for cooperation
The " Fang " shape pin of the torsionspring one end can pass through the perforation of the torsion engaging member, which is necessary for long hole.Due to
Torsionspring is the component with the elasticity of flexure, is connected when in the cord central siphon that the torsion power-assisted component is applied to rolling article shading curtain
After shaft, when external force of the torsionspring by spring body centerline direction, this has " Contraband " shape connecting pin of the elasticity of flexure
Easily-deformable and can hook from torsion engaging member perforation is de-, to this, it is necessary to further be improved.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of torsion power-assisted component, existing torsion rib power component is solved
In, the problem of easily being loosened between " Contraband " shape hook joint foot and torsion sub-assembly of torsionspring.
Technical solution proposed by the invention is: providing a kind of torsion power-assisted component, it includes a torsion engaging members
And one connect the torsion engaging member torsionspring, it is characterised in that:
The torsion engaging member includes a column portion, one in conjunction with base portion and a non-return hook, this combines base portion to be formed in the column portion
Axial one end, this combines and forms the long hole that radially penetrates through in base portion, which has a fixation wall towards the side in column portion,
A fixed groove is formed in the fixation wall, which is formed in the long hole, and the fixing groove is stretched in the end of the non-return hook
Ditch；
The torsionspring includes a spiral helicine spring body and is formed in the hook joint foot of the spring body axial direction one end,
The hook joint foot includes a foot lever, a bending segment and a hook section, and the foot lever is from the spring body one end to be parallel to spring sheet
Body centerline direction extends outwardly, and the one end of the bending segment from the foot lever far from the spring body is towards the center of the spring body
Line direction is vertically bent, which vertically bends towards the spring body direction, should
Spring body is sheathed on the column portion of the torsion engaging member, which connects the combination base portion of the torsion engaging member, the hook joint foot
Bending segment be located in the fixation groove, which is limited in the fixation groove by the non-return hook in the long hole, should
The foot lever of hook joint foot with bending hook part be located at this in conjunction with base portion two sides.
In torsion power-assisted component as described above, this combines base portion to have a back backwards to the side in the column portion in the long hole
Wall, the non-return hook are that the fixation groove direction from the back wall towards the fixation wall protrudes out.
In torsion power-assisted component as described above, this is rank relative to the two sidewalls of the non-return hook in the long hole in conjunction with base portion
Differential not contour kenel.In torsion power-assisted component as described above, non-return hook height in the long hole and the long hole compared with
Short side wall is contour.
In torsion power-assisted component as described above, this combines base portion extremely should in the long hole radially penetrated through the lateral margin open at one end
One first positioning groove is formed between column portion, this combines base portion in the lateral margin of another end opening of the long hole radially penetrated through to the column
One second positioning groove, the first positioning groove of fixation groove connection and the second positioning groove, the torsionspring are formed between portion
Hook joint foot foot lever be positioned at this first positioning groove in, the hook section be positioned at this second positioning groove in.
The attainable beneficial functional of the present invention is, the present invention is in addition to the " Fang " shape that is continuously bent using torsionspring one end
Hook joint foot, the combination base portion that torsion engaging member is closed in collocation are arranged long hole, provide the combination of " Fang " shape hook joint foot hook joint connection
Construction, the present invention also further using the torsion engaging member in formed in long hole it is non-return hook to " Fang " shape hook joint foot generate blocking
Position-limiting action is difficult to pine after so that the " Fang " shape hook joint foot of the torsionspring is passed through the long hole hook joint connection of torsion engaging member
It is de-, therefore linking steady character between the two can be promoted, it is ensured that when torsion power-assisted component can be long in the roller shutter central siphon of article shading curtain
Between remain normal the function of torsion power-assisted be provided.
The present invention also further using the combination base portion of the torsion engaging member is located at that long hole is open at one end or both ends open
Two sidewalls form the class difference that one is long and the other is short, so that the " Fang " shape hook joint foot of the torsionspring is easily crossed long hole side shorter
Side wall and wear into the long hole, promote the convenience of assembling.
The present invention also further combines base portion in long hole lateral margin open at one end to formation one first between the column portion using this
Groove is positioned, in the lateral margin of another end opening of long hole to one second positioning groove of formation, the hook of the torsionspring between the column portion
The foot lever insertion of pin is positioned in the first positioning groove, and hook section insertion is positioned in the second positioning groove, is promoted
Linking steady character between the hook joint foot and torsion engaging member of torsionspring.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of a preferred embodiment of present invention torsion power-assisted component.
Fig. 2 is the stereoscopic schematic diagram of another watching angle of torsion power-assisted component preferred embodiment shown in Fig. 1.
Fig. 3 is the perspective exploded view of torsion power-assisted component preferred embodiment shown in Fig. 1.
Fig. 4 is the schematic top plan view of torsion power-assisted component preferred embodiment shown in Fig. 1.
Fig. 5 is the partial side diagrammatic cross-section of torsion power-assisted component preferred embodiment shown in Fig. 1.
Fig. 6 is the diagrammatic cross-section of the position the A-A of face line shown in Fig. 4.
Fig. 7 is that the assembling that present invention torsion power-assisted component preferred embodiment is mounted on torsion engaging member in torsionspring is dynamic
Make schematic diagram.
Description of symbols:
10 torsion 11 column portions of engaging member
12 combine 121 body of rod of base portion
122 ring gear, 123 long hole
124 fixation walls 125 fix groove
126 back wall, 127 side wall
The non-return hook of 128 side wall 13
14 first positioning grooves 15 second position groove
20 torsionspring, 21 spring body
22 hook joint foot, 221 foot lever
222 bending segment, 223 hook section.
Specific embodiment
Cooperate attached drawing and the preferred embodiment of the present invention below, the present invention is further explained to reach predetermined goal of the invention institute
The technological means taken.
As shown in Figure 1 to Figure 3, the preferred embodiment for disclosing present invention torsion power-assisted component, by can be in those attached drawings
See and, it includes an a torsion engaging member 10 and torsionspring 20 that the present invention, which reverses power-assisted component, in which:
As shown in Figures 1 to 4, which includes that a column portion 11, one combines base portion 12 and a non-return hook 13,
The column portion 11 is cylindrical body, and one is formed from the axial one end in the column portion 11 in conjunction with base portion 12, and it includes a circle that this, which combines base portion 12,
The columnar body of rod 121, the body of rod 121 form a ring gear 122, the diameter of the body of rod 121 far from one end outer peripheral surface in the column portion 11
Greater than the diameter in the column portion 11, it is equipped with a long hole 123 in the body of rod 121, which is to extend radially through the body of rod 121, the length
123 opposite end of hole is respectively formed an opening, which has one to fix in the long hole 123 towards the side in the column portion 11
Wall 124, forms a fixed groove 125 in the fixation wall 124, which has in the long hole 123 backwards to the side in the column portion 11
There is a back wall 126, the body of rod 121 is in the lateral margin open at one end of long hole 123 to one first positioning groove of formation between the column portion 11
14, which, to one second positioning groove 15 is formed between the column portion 11, is somebody's turn to do in the lateral margin of another end opening of long hole 123
Fixed first positioning groove 14 of the connection of groove 125 and the second positioning groove 15；The non-return hook 13 is formed at the length of the body of rod 121
In hole 123 and stretch to the fixation groove 125 of the fixation wall 124.
As shown in Figures 1 to 4, in this preferred embodiment, the non-return hook 13 of the torsion engaging member 10 is from the back wall 126
It is protruded out towards 125 direction of fixation groove of fixation wall 124, which is free end, and
The elasticity that the non-return hook 13 has bending and resets.As shown in Fig. 6 and Fig. 1 to Fig. 3, the long hole 123 of the body of rod 121 is open at one end
Or the two sidewalls 127,128 of both ends open (i.e. upper end, the lower end of the torsion engaging member 10 shown in attached drawing) are with class difference
Not contour kenel, as shown in Figures 1 and 3, by taking the upper end of long hole 123 as an example, 127 height dimension of side side wall of the long hole 123
Shorter, another 128 height dimension of side wall is longer.13 height of non-return hook in the long hole 123 side shorter with the long hole 123
Wall 127 is contour.
As shown in Figure 1 to Figure 3, which includes that a spiral helicine spring body 21 and one forms in the spring
The hook joint foot 22 of 21 one end of ontology, the hook joint foot 22 include a foot lever 221, a bending segment 222 and a hook section 223, the foot
Bar 221 is parallel to 21 centerline direction of spring body from 21 one end of spring body and extends outwardly, which is to be connected to
The one end of the foot lever 221 far from spring body 21, and the bending segment 222 is the center from foot lever 221 towards the spring body 21
Line direction is vertically bent, which is to be connected to the one end of bending segment 222 far from foot lever 221, and the hook section 223 is
It is vertically bent from bending segment 222 towards 21 direction of spring body, makes the foot lever 221 and hook section 223 generally in parallel, make the hook joint foot
22 be in the hook body of " Fang " shape.The torsionspring 20 is mounted on the torsion engaging member 10, which is sheathed on the torsion
The column portion 11 of engaging member 10, the combination base portion 12 of 22 hook joint of the hook joint foot torsion engaging member 10, as shown in Figures 4 and 5,
In, the foot lever 221 of the hook joint foot 22 extends to this from the outside of the column portion 11 in conjunction with base portion 12 and is embedded and is positioned at first locating slot
In ditch 14, the bending segment 222 bent from 221 end of foot lever is protruded into the long hole 123 and is positioned in the fixation groove 125,
13 end of non-return hook in the long hole 123, which is located on the outside of bending segment 222, stops limit, i.e. 13 ends of non-return hook and bending segment 222
Between gap be less than bending segment 222 diameter of section, make bending segment 222 be not easy to be detached from self-retaining groove 125, the hook section
223 self-retaining grooves 125 are embedded towards 11 direction of column portion and are positioned in the second positioning groove 15, make the torsionspring 20 as a result,
Integrally combine with the torsion engaging member 10.
As shown in Fig. 7, Fig. 3 and Fig. 6, when 20 groups of the torsionspring is installed in the torsion engaging member 10, the spring body 21
It is first sheathed on the column portion 11 of the torsion engaging member 10, secondly, the " Fang " shape hook joint foot 22 of 21 one end of spring body stretches to this
The combination base portion 12 of engaging member 10 is reversed, and combines base portion 12 in the open-ended two sidewalls 127,128 of long hole 123 using this
For the not contour kenel with class difference, " Fang " shape hook joint foot 22 is made to be readily able to the side wall 127 shorter from 123 side of long hole
Top, which is crossed, to be protruded into again in long hole 123, wherein the bending segment 222 of the " Fang " shape hook joint foot 22 is located at the longer side of long hole 123
Between wall 128 and non-return hook 13, later, keep the bending segment 222 of the " Fang " shape hook joint foot 22 mobile towards 124 direction of fixation wall,
And non-return hook 13 is pushed, and the non-return hook 13 is pushed towards 127 direction deflection of side wall, bending segment 222 is made to be embedded in consolidating for fixation wall
Determine groove 125, after the elastic reset which passes through itself, which, which is then located on the outside of bending segment 222, hinders
Gear limit, the foot lever 221 of the " Fang " shape hook joint foot 22, which is embedded, to be positioned in the first positioning groove 14, and the hook section 223 is then
It is embedded and is positioned in the second positioning groove 15, the torsionspring 20 is made to integrally combine with the torsion engaging member 10 as a result,.
In this preferred embodiment, the groove width of the fixation groove 125 is equal to the diameter of section of bending segment 222, or fixed
There is minim gap, the groove width of the first positioning groove 14 is equal to the section of the foot lever 221 between groove 125 and bending segment 222
There is minim gap between diameter or the first positioning groove 14 and the foot lever 221；The groove width etc. of the second positioning groove 15
There is minim gap between the diameter of section or the second positioning groove 15 and the hook section 223 of the hook section 223.
The present invention reverses power-assisted component and is mounted in the roller shutter central siphon of article shading curtain, and connects cord shaft with shaft, uses
With after cord is unfolded from the long hole stretching of central siphon side, torsionspring rotates in company with shaft and stores and move elastic energy, rolls up to cord
Time receiving provides torsion power-assisted to shaft, enables shaft outer peripheral surface of the cord automatic rolling in central siphon.
By preceding description it is found that the present invention reverses power-assisted component in addition to " Contraband " word for continuously bending using torsionspring one end
Shape hook joint foot, the combination base portion that torsion engaging member is closed in collocation are arranged long hole, provide the group of " Fang " shape hook joint foot hook joint connection
It is outer to close construction, the present invention reverses power-assisted component and the torsion engaging member is further utilized to be produced to hook joint foot in forming non-return hook in long hole
It is raw to stop position-limiting action, after so that the " Fang " shape hook joint foot of the torsionspring is passed through the long hole hook joint connection of torsion engaging member, i.e.,
It is difficult to loosen, therefore linking steady character between the two can be promoted, it is ensured that torsion power-assisted component applies the roller shutter central siphon in article shading curtain
In, it can maintain normally to provide the function that torsion helps for a long time.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
The right present invention has been disclosed in the preferred embodiments as above, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (5)
1. a kind of torsion power-assisted component, it includes the torsionspring that a torsion engaging member and one connect the torsion engaging member,
It is characterized in that:
The torsion engaging member includes a column portion, one in conjunction with base portion and a non-return hook, this is formed in the axis in the column portion in conjunction with base portion
To one end, this combines and forms a long hole radially penetrated through in base portion, which has a fixation wall towards the side in column portion, this is solid
Determine to form a fixed groove in wall, which is formed in the long hole, and the fixation groove is stretched in the end of the non-return hook；
The torsionspring includes a spiral helicine spring body and the hook joint foot for being formed in the spring body axial direction one end, the hook
Pin includes a foot lever, a bending segment and a hook section, and the foot lever is from the spring body one end to be parallel in spring body
Heart line direction extends outwardly, and the one end of the bending segment from the foot lever far from the spring body is towards the center line side of the spring body
To vertical bending, which vertically bends towards the spring body direction, the spring
Ontology is sheathed on the column portion of the torsion engaging member, which connects the combination base portion of the torsion engaging member, the hook joint foot it is curved
Trisection is located in the fixation groove, which is limited in the fixation groove by the non-return hook in the long hole, the hook joint
The foot lever of foot with bending hook part be located at this in conjunction with base portion two sides.
2. torsion power-assisted component according to claim 1, it is characterised in that: this combines base portion in the long hole backwards to the column portion
Side there is a back wall, which is that fixation groove direction from the back wall towards the fixation wall protrudes out.
3. torsion power-assisted component according to claim 2, it is characterised in that: this combines base portion to stop in the long hole relative to this
The inverse two sidewalls hooked are the not contour kenel with class difference.
4. torsion power-assisted component according to claim 3, it is characterised in that: non-return hook height in the long hole and this
The shorter side wall of long hole is contour.
5. torsion power-assisted component according to any one of claim 1 to 4, it is characterised in that: this combines base portion in the diameter
To the long hole lateral margin open at one end of perforation to one first positioning groove is formed between the column portion, this combines base portion radially to penetrate through in this
Another end opening of long hole lateral margin between the column portion formed one second positioning groove, the fixation groove connect the first locating slot
Ditch and the second positioning groove, the foot lever of the hook joint foot of the torsionspring are positioned in the first positioning groove, hook section positioning
In the second positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081318.0A CN108425617B (en) | 2017-02-15 | 2017-02-15 | Torsion assisting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081318.0A CN108425617B (en) | 2017-02-15 | 2017-02-15 | Torsion assisting assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425617A CN108425617A (en) | 2018-08-21 |
| CN108425617B true CN108425617B (en) | 2019-04-09 |
Family
ID=63155376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081318.0A Active CN108425617B (en) | 2017-02-15 | 2017-02-15 | Torsion assisting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425617B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682449B (en) * | 2019-10-18 | 2022-12-20 | 长城汽车股份有限公司 | Elastic element mounting plug and mounting plug assembly |
| CN113047763B (en) * | 2019-12-26 | 2023-04-25 | 郑立铭 | Folding rolling curtain |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174538Y (en) * | 1993-05-14 | 1994-08-17 | 苗景义 | Automatic door closer |
| JP3991207B2 (en) * | 2002-06-12 | 2007-10-17 | 三和シヤッター工業株式会社 | Spring mounting structure for shutter winding shaft |
| TW528110U (en) * | 2002-08-28 | 2003-04-11 | Wei-Ying Chen | Spring box for iron rolling door |
| CN201802293U (en) * | 2010-08-31 | 2011-04-20 | 溧阳市正翔精密机械有限公司 | Scrolling mechanism of window screen |
| KR101318404B1 (en) * | 2012-06-14 | 2013-10-16 | 박해성 | Lifting device of curtain |
| TW201540570A (en) * | 2014-04-29 | 2015-11-01 | Macauto Ind Co Ltd | Roll blind equipment for motor vehicles |
-
2017
- 2017-02-15 CN CN201710081318.0A patent/CN108425617B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108425617A (en) | 2018-08-21 |
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