CN101324173B - Curtain manual coiling structure - Google Patents
Curtain manual coiling structure Download PDFInfo
- Publication number
- CN101324173B CN101324173B CN 200810062760 CN200810062760A CN101324173B CN 101324173 B CN101324173 B CN 101324173B CN 200810062760 CN200810062760 CN 200810062760 CN 200810062760 A CN200810062760 A CN 200810062760A CN 101324173 B CN101324173 B CN 101324173B
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- CN
- China
- Prior art keywords
- sprocket wheel
- chain
- installation shaft
- curtain
- fixed mount
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- 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 - Fee Related
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Abstract
The invention relates to a manual curtain-winding structure which comprises a chain wheel (1), a chain rope (2) used for driving the chain wheel (1) to rotate, and a fixing bracket (3) used for installing the chain wheel (1), wherein, chain beads (21) which can be meshed with a groove (11) on the chain wheel (1) in a transmission way is fixed on the chain rope (2) at intervals; the structure is characterized in that: the fixing bracket (3) is also connected with a downward vertical brake rod (4) provided with snap ring (5) which is provided for the chain rope (2) to be stuck but does not allow the chain beads (21) to pass through. The winding structure adopts the limitation of the snap ring to the chain rope to realize the limitation to the chain wheel, thus realizing the brake of the curtain. The chain wheel rotates in a pure rolling way without damping limitation, therefore, the winding is flexible and the pulling is easy; the brake does not depend on frictional damping and is not influenced by material, size and tolerance, etc., with simple structure; when in operation, only the limitation to the chain rope on the snap ring is needed with simple and convenient operation.
Description
Technical field
The invention belongs to the technical field of hand-operated curtain, relate in particular to a kind of curtain manual coiling structure.
Background technology
Hand-operated curtain upper and lower volume around the time, light flexibly when wish reeling, and curtain can stop not glide at an arbitrary position, especially when fabric width is big the easy downslide because the cord deadweight is heavier, so the brake structure of braking curtain just seems especially important.
The mode of braking of existing curtain manual coiling structure roughly has two kinds.
The first adopts the tripping spring braking, in time checks as the need curtain, and then matching allowance wants big between the outer garden of tripping spring aperture and brake axle.The big more braking of interference is reliable more, but when reeling, the pulling chain rope is just heavier.Otherwise as wish pulling easily, then the magnitude of interference between spring and the brake axle is just little, can cause the braking curtain easily to glide again, especially after tripping spring and brake axle wear and tear, poor durability.
As a patent No. is a kind of roller shutter structure the Chinese utility model patent " hand roller shutter " of ZL99236309.8 (notification number is CN2385065Y) has disclosed, it forms the hand roller shutter by supporting base, positioner, pearl cable pulley, pearl rope, roller shutter pipe and cord, the gear teeth of pearl cable pulley are groove shaped, the inboard of pearl cable pulley is provided with locating piece, torsionspring and breach wheel, breach wheel two sides is respectively equipped with the boss of breach and band through hole, the breach wheel is nested on the locating piece, and the dead bolt on the boss that can be locked at the breach wheel is arranged on the supporting base.
It two is to adopt cyclic train, utilizes the moment of torsion difference of one-level, secondary or the output of multipole tie-rod, and the pressure of brake(-holder) block and spring leaf causes damping in addition.As a patent No. is a kind of rolling curtain pulley gear the Chinese utility model patent " rolling curtain pulley gear " of ZL03231892.8 (notification number is CN2625552Y) has disclosed, comprise pulley, stay cord and be used for fixing the fixed mount of pulley, described pulley is made up of pulley cover and pulley core, and the pulley core by pulley disc, mandrel, gear, tooth cover, spring leaf and lead the wheel form, tooth cover is fixedlyed connected and together is placed in the mandrel with leading to take turns, and described spring leaf is placed on the mandrel and at gear and lead between the wheel.The structure that adopts the pulley cover to be meshed because of this product with the pulley core, as long as pulling stay cord, gear is just meshing rotation always, roller shutter is non-slip, not out of control, and corrugated spring leaf is installed also on the pulley core, formed double brake force, prevented that effectively whole fan curtain is because of too heavy downslide of deadweight.
This structure: utilize the transport characteristics of cyclic train on the one hand, the frictional resistance that utilizes braking frictional plate to produce on the other hand.But owing to the accumulated error of many axial dimensions, be difficult to get hold of the coupling of damping, it exists, and damping is big, pulling is dumb, damping is little, brake insecure shortcoming.
Above-mentioned two kinds of structures, braking and transmission also are all to be installed in the window top on same axis, are prone to fault, eminence dismounting, maintenance inconvenience are dangerous.When aforementioned two kinds of structures were reeled, because damping action and cord itself are also very heavy, particularly large format, coiling length were long, needed with spurring very energetically, so easily the top braces fixture were pulled, fall down.Simultaneously no matter spring and brake axle, still wearing piece and spring leaf friction heating when some thousand pullings of some customer requirement, generate heat, are out of shape, and do not reach customer requirement.
In sum, existing curtain manual coiling structure also can be further improved.
Summary of the invention
Technical problem to be solved by this invention is that a kind of very curtain manual coiling structure of easy and flexible of reeling also when guaranteeing good braking effect is provided at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of curtain manual coiling structure, the fixed mount that comprises sprocket wheel, is used to drive the chain rope of sprocket rotation and is used to install sprocket wheel, on the described chain rope fixed interval have can with the chain pearl of groove transmission on sprocket wheel engagement, it is characterized in that: also be connected with straight down a brake bar on the described fixed mount, described brake bar is provided with and can goes into but the snap ring that do not allow the chain pearl to pass for the chain wire clips.
Above-mentioned snap ring is shape in the shape of a spiral.Like this, the chain rope can move into the center of bayonet socket gradually from the peristome of helical form snap ring, guarantees that effectively the chain rope can not break away from from bayonet socket easily, and the chain pearl is stuck on the snap ring simultaneously, and the chain pearl can axially not pass snap ring yet, and snap ring can be fine spacing with the chain rope.
Above-mentioned snap ring is fixed on the clip, and this clip is clamped and fastened on the described brake bar.Snap ring is Height Adjustable like this, makes things convenient for the user to operate.
Have an installation shaft on the above-mentioned fixed mount, described sprocket wheel is installed on the described installation shaft by bearing is rotatable, and adopt in the front portion of described installation shaft jump ring with the sprocket wheel axial limiting on this installation shaft.Can guarantee that by the bearing installation sprocket rotation is more flexible.
For guaranteeing the axial limiting of sprocket wheel on installation shaft, also be arranged with pad on the above-mentioned installation shaft, this pad is between jump ring and sprocket wheel.
Above-mentioned fixed mount is made up of cover plate, junction plate and installing plate, described installation shaft is arranged on the installing plate, and has a perforation on the installation shaft, described junction plate is L-shaped, and has the cutting that to insert described perforation at the middle part of junction plate, the horizontal part of junction plate has installing hole, and described cover plate is buckled together junction plate and installing plate bag at the junction plate rear portion.This fixed rack structure overall appearance is generous, and easy for installation.
Above-mentioned brake bar is made up of the connecting rod that links to each other with fixed mount, metal tube, loam cake and lower cover, described connecting rod and loam cake are injection molded into integral piece, described loam cake and lower cover block the two ends of metal tube respectively, but and are covering the injecting hole that has a self-locking closure down.Brake bar can adopt thin lightweight steel pipe to make like this, and is yielding for avoiding thin lightweight steel pipe pipe, and we strengthen the intensity of thin lightweight steel pipe, and adopt the lightweight steel pipe that approaches to reduce cost by injecting hole gas injection in the metal tube.Certainly also can adopt solid hopkinson bar.
For ease of brake bar is installed, above-mentioned connecting rod top has a hole, and this borehole jack is located on the installation shaft of described fixed mount.Only need the borehole jack on the connecting rod is gone on the installation shaft to get final product during installation.
Compared with prior art, the invention has the advantages that: this winding-structure employing snap ring is spacing to realize the restriction to sprocket wheel to the chain rope, realizes the braking of curtain.Sprocket wheel is pure rolling in rotation, and transmission (cord lifting) and braking (preventing that cord from gliding) employing isolating construction, and the rotation of sprocket wheel does not have the damping restriction, thereby reels flexibly, and pulling is light; Braking by friction damping, is not subjected to material, size, and influences such as tolerance are simple in structure; Only need during operation on snap ring, to get final product the chain rope is spacing, simple to operation; Brake bar is a free end, is not to be fixed on the below Anywhere, and is therefore easy to operate, identical with original hand-operated curtain operation.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention;
Fig. 2 is the side schematic view of the embodiment of the invention;
Fig. 3 is the side sectional view (user mode) of the embodiment of the invention;
Fig. 4 is the stereochemical structure broken away view of the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Be depicted as a preferred embodiment of the present invention as Fig. 1～4.
A kind of curtain manual coiling structure, the fixed mount 3 that comprises sprocket wheel 1, is used to drive the chain rope 2 of sprocket wheel 1 rotation and is used to install sprocket wheel 1.
On the described chain rope 2 fixed interval have can with the chain pearl 21 of groove 11 transmissions on the sprocket wheel 1 engagement, sprocket wheel 1 upper groove 11 can be deep-slotted chip breaker or square groove, the male part 12 of sprocket wheel 1 links to each other with the rotating cylinder 10 of curtain, and the rotation of sprocket wheel 1 can drive the rotation of rotating cylinder 10 like this, realizes the coiling of curtain.
Described fixed mount 3 is made up of cover plate 31, junction plate 32 and installing plate 33, described installing plate 33 middle parts have the installation shaft 331 of evagination, and has a perforation 332 on the installation shaft 331, described junction plate 32 is L-shaped, and has the cutting 321 that to insert described perforation at the middle part of junction plate 32, the horizontal part of junction plate 32 has installing hole 322, and described cover plate 31 is buckled together junction plate 32 and installing plate 33 bags at junction plate 32 rear portions and from both sides.
Described sprocket wheel 1 is by bearing 7 rotatable being installed on the described installation shaft 331, described bearing 7 adopts no inner ring needle roller and thrust combination bearing, adopt in the front portion of described installation shaft 331 jump ring 8 with sprocket wheel 1 axial limiting on this installation shaft 331, also be arranged with pad 9 on described installation shaft 331, this pad 9 is between jump ring 8 and sprocket wheel 1.
Also be connected with straight down a brake bar 4 on the described fixed mount 3, described brake bar 4 is made up of the connecting rod 41 that links to each other with fixed mount 3, metal tube 42, loam cake 43 and lower cover 44, described connecting rod 41 is injection molded into integral piece with loam cake 43, described loam cake 43 and lower cover 44 block the two ends of metal tube 42 respectively, but and on lower cover 44, have an injecting hole 441 of a self-locking closure; Connecting rod 41 tops have a hole 411, and this hole 411 is sheathed on the installation shaft 331 of described fixed mount 3.
Described brake bar 4 is provided with and can snaps in but the snap ring 5 that do not allow chain pearl 21 to pass for chain rope 2, and this snap ring 5 is shape in the shape of a spiral, and snap ring 5 can also other profiles certainly, as by two relatively the semi-ring of folding form.
Described snap ring 5 is fixed on the clip 6, and this clip 6 is clamped and fastened on the described brake bar 4.
During installation, the hole 411 of connecting rod 41 is placed on the described installation shaft 331, again sprocket wheel 1 is installed on the installation shaft 331 by described bearing 7, pad 9 and jump ring 8 are installed on installation shaft 331 then successively, sprocket wheel 1 is by axial limiting, then chain rope 2 is placed on the sprocket wheel 1, pulling chain rope 2 drives sprocket wheel 1 and rotates under groove 11 mating reactions of chain pearl 21 and sprocket wheel 1, and the clip 6 that will have snap ring 5 at last is clamped on the brake bar 4.
Operating principle of the present invention and process are as follows:
Rotation process is identical with existing winding-structure with the moving curtain of chain rope belt, and promptly pulling chain rope 2 drives sprocket wheel 1 rotation under groove 11 mating reactions of chain pearl 21 and sprocket wheel 1, and rotating cylinder is with 10 sprocket rotation, and then the coiling of realization curtain.
During braking, chain rope 2 is moved into the center of snap ring 5 from the bayonet socket of snap ring 5, chain pearl 21 is spacing on snap ring 5 tops, and brake bar 4 measured lengths make chain rope 2 can not move in addition, and sprocket wheel 1 also just can not rotate, and realizes the purpose of curtain braking.
Claims (6)
1. curtain manual coiling structure, comprise sprocket wheel (1), be used to drive the chain rope (2) of sprocket wheel (1) rotation and be used to install the fixed mount (3) of sprocket wheel (1), described chain rope (2) go up fixed interval have can with the chain pearl (21) of groove (11) transmission engagement on the sprocket wheel (1), it is characterized in that: also be connected with straight down a brake bar (4) on the described fixed mount (3), described brake bar (4) is provided with and can snaps in but the snap ring (5) that do not allow chain pearl (21) to pass for chain rope (2); Has an installation shaft (331) on the described fixed mount (3), described sprocket wheel (1) is installed on the described installation shaft (331) by bearing (7) is rotatable, and adopt in the front portion of described installation shaft (331) jump ring (8) with sprocket wheel (1) axial limiting on this installation shaft (331); Described fixed mount (3) is made up of cover plate (31), junction plate (32) and installing plate (33), described installation shaft (331) is arranged on the installing plate (33), and has a perforation (332) on the installation shaft (331), described junction plate (32) is L-shaped, and has the cutting (321) that to insert described perforation at the middle part of junction plate (32), the horizontal part of junction plate (32) has installing hole (322), and described cover plate (31) is buckled together junction plate (32) and installing plate (33) bag at junction plate (32) rear portion.
2. curtain manual coiling structure according to claim 1 is characterized in that: described snap ring (5) is shape in the shape of a spiral.
3. curtain manual coiling structure according to claim 2 is characterized in that: described snap ring (5) is fixed on the clip (6), and this clip (6) is clamped and fastened on the described brake bar (4).
4. curtain manual coiling structure according to claim 1 is characterized in that: also be arranged with pad (9) on the described installation shaft (331), this pad (9) is positioned between jump ring (8) and the sprocket wheel (1).
5. according to the described curtain manual coiling structure of arbitrary claim in the claim 1～4, it is characterized in that: described brake bar (4) is made up of the connecting rod (41) that links to each other with fixed mount (3), metal tube (42), loam cake (43) and lower cover (44), described connecting rod (41) is injection molded into integral piece with loam cake (43), described loam cake (43) and lower cover (44) block the two ends of metal tube (42) respectively, and at lower cover (44) but on have the injecting hole (441) of a self-locking closure.
6. curtain manual coiling structure according to claim 5 is characterized in that: described connecting rod (41) top has a hole (411), and this hole (411) are sheathed on the installation shaft (331) of described fixed mount (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810062760 CN101324173B (en) | 2008-07-02 | 2008-07-02 | Curtain manual coiling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810062760 CN101324173B (en) | 2008-07-02 | 2008-07-02 | Curtain manual coiling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101324173A CN101324173A (en) | 2008-12-17 |
| CN101324173B true CN101324173B (en) | 2011-06-01 |
Family
ID=40187852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810062760 Expired - Fee Related CN101324173B (en) | 2008-07-02 | 2008-07-02 | Curtain manual coiling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101324173B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102484B (en) * | 2010-01-28 | 2014-02-19 | 宁波先锋新材料股份有限公司 | Manual winding structure of curtain |
| CN107120400B (en) * | 2017-05-10 | 2023-04-18 | 宁波先锋新材料股份有限公司 | Pull bead type driver |
| CN108584747A (en) * | 2018-05-17 | 2018-09-28 | 广州市创视智能设备有限公司 | A kind of steel wire overlapping winder of screen of dynamoelectric projection |
| CN109527946A (en) * | 2018-10-19 | 2019-03-29 | 深圳御光新材料有限公司 | A kind of line holographic projections electrically driven curtain |
| CN110319163A (en) * | 2019-07-31 | 2019-10-11 | 郭美繁 | A kind of novel drive structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424852A (en) * | 1980-09-29 | 1984-01-10 | Hopper Thomas P | Bead-chain drive system for a window shade |
| DE3405647A1 (en) * | 1983-02-23 | 1984-08-23 | Aktieselskabet Chr. Fabers Fabriker, Ryslinge | Coupling which can be inserted between two parts which are rotatable about a common shaft |
| CN2608665Y (en) * | 2003-04-03 | 2004-03-31 | 郭恩普 | Hand pulling rolling curtain type hidden screen window |
| CN2620072Y (en) * | 2003-01-30 | 2004-06-09 | 刘泰平 | Rolling shutter controller |
| CN2643244Y (en) * | 2003-08-15 | 2004-09-22 | 高斌 | Novel Heat exchanging freezing-proof water tank |
| CN1987037A (en) * | 2005-12-20 | 2007-06-27 | 陈李烨 | Electric iron rolling door safety device |
-
2008
- 2008-07-02 CN CN 200810062760 patent/CN101324173B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424852A (en) * | 1980-09-29 | 1984-01-10 | Hopper Thomas P | Bead-chain drive system for a window shade |
| DE3405647A1 (en) * | 1983-02-23 | 1984-08-23 | Aktieselskabet Chr. Fabers Fabriker, Ryslinge | Coupling which can be inserted between two parts which are rotatable about a common shaft |
| CN2620072Y (en) * | 2003-01-30 | 2004-06-09 | 刘泰平 | Rolling shutter controller |
| CN2608665Y (en) * | 2003-04-03 | 2004-03-31 | 郭恩普 | Hand pulling rolling curtain type hidden screen window |
| CN2643244Y (en) * | 2003-08-15 | 2004-09-22 | 高斌 | Novel Heat exchanging freezing-proof water tank |
| CN1987037A (en) * | 2005-12-20 | 2007-06-27 | 陈李烨 | Electric iron rolling door safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101324173A (en) | 2008-12-17 |
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Owner name: NINGBO XIANFENG NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: XIAO ZHANGJIANG Effective date: 20110331 |
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Free format text: CORRECT: ADDRESS; FROM: 200336 ROOM 604, NO. 18, BRANCH LANE 30, LANE 377, HONGGU ROAD, SHANGHAI TO: 315000 SHANXIAZHUANG, JISHIGANG TOWN, YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110331 Address after: 315000, Zhejiang, Ningbo province Yinzhou District Shi Shi Gang Town Yamashita Village Applicant after: Ningbo Xianfeng New Material Co., Ltd. Address before: 200336 Shanghai City East 377 Lane 30 Lane 18, room 604 Applicant before: Xiao Changjiang |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20160702 |