CN203321285U - Shutter blind - Google Patents
Shutter blind Download PDFInfo
- Publication number
- CN203321285U CN203321285U CN2013202762208U CN201320276220U CN203321285U CN 203321285 U CN203321285 U CN 203321285U CN 2013202762208 U CN2013202762208 U CN 2013202762208U CN 201320276220 U CN201320276220 U CN 201320276220U CN 203321285 U CN203321285 U CN 203321285U
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- China
- Prior art keywords
- groove
- draw
- perforation
- blind
- curtain sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Blinds (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to a shutter blind which comprises an upper beam, a lower beam, a plurality of blind sheets and at least one pulling rope. The blind sheets are arranged between the upper beam and the lower beam from top to bottom, each blind sheet is provided with at least one penetrating hole, and one end of the pulling rope penetrates out of the upper beam and penetrates through the penetrating holes in the blind sheets. Each blind sheet is further provided with at least one clamping groove, the clamping groove is provided with an opening end and a closed end, the opening ends are communicated with the penetrating holes, and the groove width of each clamping groove is smaller than the rope diameter of the pulling rope. Therefore, when the pulling rope is outwards pulled through external force, the pulling rope can be effectively limited by the clamping grooves to continuously move outwards, continuous expanding of a rope loop is avoided, and the safety performance in use is improved.
Description
Technical field
The utility model is relevant with covering of building window; Refer to especially the blind that there is safeguard construction on a kind of curtain sheet.
Background technology
Figure 1 shows that known blind 1, include a upper beam 10, a underbeam 12, a plurality of curtain sheet 14 and a gear unit 16.Those curtain sheets 14 are side by side between this upper beam 10 and this underbeam 12.Respectively on this curtain sheet 14, have two microscler perforation 142, respectively the two ends of this perforation 142 are circular-arc.This gear unit 16 includes two elevating control structures 18 and two stay cords 20, this two elevating control structure 18 is arranged in this upper beam 10,20 of this two stay cords Qu Fen not have two control rans 202 and two lifting rans 204, this two liftings ran 204 passes respectively this elevating control structure 18, and sequentially through the perforation 142 of those curtain sheets 14, is fixed in this underbeam 12.This two control ran 202 connects respectively this two liftings ran 204.Pull those to control ran 202 and can drive this underbeam 12 liftings, take and control those curtain sheets 14 as launching or folding.
Owing between adjacent two curtain sheets 14, thering is a space, therefore, may allow children by those spaces will be revealed in those interstitial lifting rans 204 pull out in outside form fake (with reference to Fig. 2), and respectively these 142 two ends of boring a hole are the circular-arc of sealing, can't limit the movement of lifting ran 204, make lifting ran 204 continue to be drawn out outside this space, therefore, the formed fake of lifting ran 204 of this stay cord 20 will continue to enlarge, and the possibility that enwinds neck of child is arranged, cause and use safe doubt.
The utility model content
The purpose of this utility model is to provide a kind of blind, can avoid the formed fake of stay cord to continue to enlarge.
For achieving the above object, the blind that the utility model provides includes a upper beam, a underbeam, a plurality of curtain sheet and at least one stay cord, wherein, those curtain sheets from top to bottom spread configuration between this upper beam and this underbeam, and each curtain sheet has at least one perforation, the perforation that this stay cord one end passes this upper beam and passes those curtain sheets.Each curtain sheet more includes at least one draw-in groove, and this draw-in groove has an open end and a blind end, and this open end communicates with this perforation, and the groove width of this draw-in groove is less than the rope footpath of this stay cord.
Wherein, the perforation on each curtain sheet is the elongated hole with a major axis and a minor axis, and this draw-in groove is positioned on the bearing of trend of major axis of this perforation.
Wherein, at least one end of the perforation of each curtain sheet on its major axis is formed with the section of bringing together, and this bores a hole in the width of its section of bringing together is the variation of successively decreasing, and the open end of this draw-in groove is connected in the narrowest place of the section of bringing together width of this perforation.
Wherein, the groove width of this draw-in groove is wide from this open end toward this blind end.
Wherein, the groove width of this draw-in groove from this open end toward this blind end convergent.
Wherein, the groove edge of this draw-in groove is aduncate camber line.
Wherein, the groove edge of this draw-in groove linearly configures.
Wherein, the groove edge indentation of this draw-in groove configuration.
Wherein, the perforation on each curtain sheet is polygonal hole, and this perforation wherein end angle is connected with the open end of this draw-in groove.
Wherein, the perforation on each curtain sheet is polygonal hole, and this perforation wherein is connected with the open end of this draw-in groove on one side.
Thus, the safeguard construction formed by the perforation on the curtain sheet and draw-in groove, can effectively limit the movement of stay cord, avoids the formed fake of stay cord to continue to enlarge, and increases the safety on using.
The accompanying drawing explanation
The stereogram that Fig. 1 is known blind.
The partial perspective view that Fig. 2 is known blind, disclose the lifting ran and form fake.
The stereogram that Fig. 3 is the utility model one preferred embodiment.
The curtain sheet partial top view that Fig. 4 is the above-mentioned preferred embodiment of the utility model.
The blind partial perspective view that Fig. 5 is the above-mentioned preferred embodiment of the utility model, disclose the lifting ran and embed in draw-in groove.
The curtain sheet partial top view that Fig. 6 is another preferred embodiment of the utility model.
The partial perspective view that Fig. 7 is the above-mentioned preferred embodiment of the utility model, disclosing the lifting ran is the draw-in groove clamping.
The curtain sheet partial top view that Fig. 8 is another preferred embodiment of the utility model.
The curtain sheet stereogram that Fig. 9 is another preferred embodiment of the utility model.
The curtain sheet partial top view that Figure 10 is the above-mentioned preferred embodiment of the utility model.
The curtain sheet stereogram that Figure 11 is another preferred embodiment of the utility model.
The curtain sheet partial top view that Figure 12 is the above-mentioned preferred embodiment of the utility model.
Figure 13 is a curtain sheet partial top view, discloses two draw-in grooves and connects wherein two limits of perforation.
Figure 14 is a curtain sheet partial top view, discloses four limits that four draw-in grooves connect perforation.
Element numbers explanation in accompanying drawing:
Known technology
1 blind, 10 upper beams, 12 underbeams, 14 curtain sheets, 142 perforation, 16 gear units, 18 elevating control structures, 20 stay cords, 202 control ran, 204 lifting rans.
The utility model
2 blinds, 22 upper beams, 222 rope outlets, 24 underbeams, 26 curtain sheets, 262 perforation, the 262a section of bringing together, 264 draw-in grooves, the 264a open end, the 264b blind end, 28 gear units, 30 elevating control structures, 32 stay cords, 322 control ran, 324 lifting rans, 34 ladder ropes, 36 latch closures, 41 curtain sheets, 412 perforation, the 412a section of bringing together, 414 draw-in grooves, 40 curtain sheets, 402 perforation, the 402a section of bringing together, 404 draw-in grooves, the 404a open end, the 404b blind end, 42 curtain sheets, 422 perforation, the 422a section of bringing together, 424 draw-in grooves, the 424a open end, 44 curtain sheets, 442 perforation, 444 draw-in grooves, 462 draw-in grooves, the 462a open end, 464 perforation.
The specific embodiment
For being illustrated more clearly in the utility model, lift preferred embodiment and coordinate accompanying drawing to be described in detail as follows.Referring to shown in Fig. 3 and Fig. 4, is the blind of the utility model one preferred embodiment, and it comprises a upper beam 22, a underbeam 24, a plurality of curtain sheet 26 and a gear unit 28.
This upper beam 22 is separated by one apart from arranging with this underbeam 24, and those curtain sheets 26 are subject to two ladder ropes 34 link and be arranged in parallel between this upper beam 22 and this underbeam 24.Be provided with two perforation 262 with respectively on this curtain sheet 26, being separated by a distance, respectively this perforation 262 is for having the elongated hole of a major axis and a minor axis, respectively this perforation 262 generally is circular-arc at the two ends of its major axis, and form the section of bringing together a 262a, the width of this section of bringing together 262a is the variation of successively decreasing, and the major axis of respectively this perforation 262 is to be parallel to the respectively short axial of this curtain sheet 26.
In addition, respectively on this curtain sheet 26, also include a plurality of draw-in grooves 264 and run through respectively end face and the bottom surface of this curtain sheet 26, wherein, every two these draw-in grooves 264 lay respectively on the bearing of trend of major axis of each this perforation 262, respectively this draw-in groove 264 has an open end 264a and a blind end 264b, this open end 264a communicates with an end of corresponding perforation 262, and this open end 264a is connected in the corresponding perforation 262 the narrowest places of the section of bringing together 262a width.In this example, respectively this draw-in groove 264 is wide from this open end 264a toward the groove width between this blind end 264b.
This gear unit 28 includes two elevating control structures 30 and two stay cords 32, wherein, this two elevating control structure 30 is arranged in this upper beam 22, 32 of this two stay cords Qu Fen not have a control ran 322 and a lifting ran 324, this two control ran 322 pass this upper beam 22 a rope outlet 222 and outside being revealed in, so that the user grasps and controls, this two other end of controlling ran 322 is connected with an end of this two liftings ran 324 respectively, the other end of this two liftings ran 324 is more respectively through after this elevating control structure 30 respectively, again one by one through corresponding perforation 262 on this curtain sheet 26 respectively, be fixed in eventually this underbeam 24, and respectively the rope footpath of this lifting ran 324 is greater than the respectively groove width of this draw-in groove 264.Thus, the user pulls this two control ran 322 to drive these underbeam 24 liftings by this two liftings ran 324, and then reaches and control the purpose of those curtain sheets 26 for launching or folding.The non-characteristics of the present utility model of those elevating control structures 30, do not repeat in this appearance.
Please coordinate shown in Fig. 5, when this lifting ran 324 is pulled out toward the lateral direction of curtain sheet 26 by external force, this lifting ran 324 will embed in this draw-in groove 264 along the section of bringing together the 262a of perforation 262, because the groove width of this draw-in groove 264 is wide, therefore there is larger contact area between the groove edge of these draw-in groove 264 both sides and this lifting ran 324, can effectively limit this lifting ran 324, make it can't continue to be pulled out outward.Thus, can effectively avoid the formed fake of this lifting ran 324 to continue to enlarge, increase the safety on using.
In addition, those are controlled on rans 322 and are respectively arranged with a latch closure 36, respectively this clasp 36 selectively be incorporated into a ，Gai precalculated position, precalculated position on this control ran 322 respectively take approach this upper beam 22 rope outlet 222 as good.After this lifting ran 324 is pulled out by external force to cause corresponding control ran 322 to be pulled certain distance toward upper beam 22 inside, 36 of those latch closures are connected to rope outlet 222 peripheries of this upper beam 22, avoid controlling ran 322 and continue to be pullled toward upper beam 22 directions, the formed fake of lifting ran 324 can't be enlarged again.
In one embodiment, perforation on the curtain sheet and draw-in groove also can be designed to the aspect shown in Fig. 6, perforation 402 on this curtain sheet 40 is similarly elongated hole, and its two ends are formed with the section of bringing together 402a equally, and respectively this draw-in groove 404 has an open end 404a and a blind end 404b equally, this open end 404a communicates with an end of this perforation 402 and is connected the narrowest place of this section of bringing together 402a width.And different from previous embodiment, the respectively groove width of this draw-in groove 404 of the present embodiment is from past this blind end 404b convergent of this open end 404a, and respectively the groove edge of these draw-in groove 404 both sides is to be aduncate camber line.On practice, respectively the groove edge of these draw-in groove 404 both sides also can be straight line configuration.
Please coordinate shown in Fig. 7, when this lifting ran 324 is pulled out toward the lateral direction of curtain sheet 40 by external force, this lifting ran 324 will enter in this draw-in groove 404 along this section of bringing together 402a of 402 of boring a hole, due to the groove width of this draw-in groove 404 cause that is convergent, this lifting ran 324 is guided by the groove edge of draw-in groove 404, direction along the groove edge of this draw-in groove 404 toward this blind end 404b moves easily, finally by the groove edge clamping of these draw-in groove 404 both sides, and can't continue to be pulled out outward, to avoid the formed fake of this lifting ran 324, continue to enlarge.It will be further appreciated that, the design that respectively the groove edge of this draw-in groove 404 is camber line also can increase the contact area of draw-in groove 404 groove edge and lifting ran 324, to increase the strength of clamping.
Perforation and draw-in groove on the curtain sheet of previous embodiment also can be designed to aspect as shown in Figure 8, the perforation 412 of this curtain sheet 41 has the section of bringing together 412a equally, different is, the groove edge of this draw-in groove 414 is indentations, can nibble when the lifting ran the embeds draw-in groove 414 rope edge of lifting ran of jagged groove edge 414, and the lifting ran is difficult for from draw-in groove 414 slippages, make the formed fake of lifting ran can't continue to enlarge.In fact, the groove edge of draw-in groove 414 can be rule or irregular zigzag or wavy.
In one embodiment, the curtain sheet also can be designed to the aspect shown in Fig. 9 and Figure 10, and two perforation 422 on this curtain sheet 42 are diamond hole, around each this perforation 422, respectively is provided with two draw-in grooves 424.Respectively left and right two end angles of this perforation 422 communicate with the open end 424a of two draw-in grooves 424 respectively.Utilize the formed section of bringing together the 422a of hypotenuse of this perforation 422, the lifting ran can easily embed in corresponding draw-in groove 424 along the section of bringing together 422a.Certainly, actually, draw-in groove 424 also can be arranged at the outside, upper and lower two the end angles of perforation 422, and communicates with perforation 422 upper/lower terminal angles.
In order to reach the movement of multiple directions restriction lifting ran, the curtain sheet also can be designed to the aspect shown in Figure 11 and Figure 12, perforation 442 on this curtain sheet 44 is similarly diamond hole, different, is provided with four draw-in grooves 444 around each perforation 442 and is connected with four end angles of perforation 442 respectively.With this, when the lifting ran is pulled out toward the outside either direction of curtain sheet 44 by external force, the lifting ran all can embed in corresponding draw-in groove 444, and can't continue to be pulled out outward.
In addition, the perforation 422,442 of aforementioned two embodiment is to mean with rhombus, but not as limit, and it is visual demand and be other polygonal perforation also, and at least one end angle of perforation connects draw-in groove.Again, though in this two embodiment, draw-in groove 424,444 is connected with the end angle of the perforation 422,442 of rhombus, but also can be as shown in FIG. 13 and 14, the open end 462a of each draw-in groove 462 wherein is connected on one side with perforation 464,464 mutually connects with draw-in groove 462 and make to bore a hole, limit the lifting ran with the different directions in perforation 464 and be drawn out and form fake.
According to the above, the design of the safeguard construction that blind of the present utility model forms by perforation on the curtain sheet and draw-in groove, when the lifting ran of stay cord is pulled out by external force, can effectively limit the lifting ran and continue to move outward, avoid fake to continue to enlarge, to increase the safety on using.In addition, the draw-in groove quantity on the curtain sheet around each perforation is not limited with two, also can design the draw-in groove more than or two according to actual demand.Again, but curtain sheet of the present utility model also can be applicable to nothing, control on the blind of ran automatic retracting, can reach equally the effect that the restriction stay cord moves.
The foregoing is only the better possible embodiments of the utility model, such as apply the equivalence variation that the utility model manual and the scope of the claims are done, ought to be included in the claim scope of the utility model application.
Claims (10)
1. a blind, include a upper beam, a underbeam, a plurality of curtain sheet and at least one stay cord, wherein spread configuration is between this upper beam and this underbeam from top to bottom for those curtain sheets, and each curtain sheet has at least one perforation, and this stay cord one end passes this upper beam and through the perforation of those curtain sheets; It is characterized in that:
Each curtain sheet includes at least one draw-in groove, and this draw-in groove has an open end and a blind end, and this open end communicates with this perforation, and the groove width of this draw-in groove is less than the rope footpath of this stay cord.
2. blind according to claim 1, it is characterized in that: wherein the perforation on each curtain sheet is the elongated hole with a major axis and a minor axis, this draw-in groove is positioned on the bearing of trend of major axis of this perforation.
3. blind according to claim 2, it is characterized in that: wherein at least one end of the perforation of each curtain sheet on its major axis is formed with the section of bringing together, this bores a hole in the width of its section of bringing together is the variation of successively decreasing, and the open end of this draw-in groove is connected in the narrowest place of the section of bringing together width of this perforation.
4. blind according to claim 3 is characterized in that: wherein the groove width of this draw-in groove is wide from this open end toward this blind end.
5. blind according to claim 3 is characterized in that: wherein the groove width of this draw-in groove from this open end toward this blind end convergent.
6. blind according to claim 5, it is characterized in that: wherein the groove edge of this draw-in groove is aduncate camber line.
7. blind according to claim 5, it is characterized in that: wherein the groove edge of this draw-in groove linearly configures.
8. blind according to claim 5, is characterized in that: the wherein groove edge indentation of this draw-in groove configuration.
9. blind according to claim 1, it is characterized in that: wherein the perforation on each curtain sheet is polygonal hole, this perforation wherein end angle is connected with the open end of this draw-in groove.
10. blind according to claim 1, it is characterized in that: wherein the perforation on each curtain sheet is polygonal hole, this perforation wherein is connected with the open end of this draw-in groove on one side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202762208U CN203321285U (en) | 2013-05-21 | 2013-05-21 | Shutter blind |
| CA2838673A CA2838673C (en) | 2013-05-21 | 2014-01-07 | Window blind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202762208U CN203321285U (en) | 2013-05-21 | 2013-05-21 | Shutter blind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321285U true CN203321285U (en) | 2013-12-04 |
Family
ID=49660648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202762208U Expired - Lifetime CN203321285U (en) | 2013-05-21 | 2013-05-21 | Shutter blind |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203321285U (en) |
| CA (1) | CA2838673C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343365A (en) * | 2017-01-24 | 2018-07-31 | 郑立铭 | Have the curtain and its safety device of safety device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3154099A1 (en) * | 2022-04-01 | 2023-10-01 | Brite Blinds Ltd | Window blinds with cord locking mechanism |
-
2013
- 2013-05-21 CN CN2013202762208U patent/CN203321285U/en not_active Expired - Lifetime
-
2014
- 2014-01-07 CA CA2838673A patent/CA2838673C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343365A (en) * | 2017-01-24 | 2018-07-31 | 郑立铭 | Have the curtain and its safety device of safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2838673C (en) | 2016-06-21 |
| CA2838673A1 (en) | 2014-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |