CN201614875U - Automatic curtain winding structure - Google Patents
Automatic curtain winding structure Download PDFInfo
- Publication number
- CN201614875U CN201614875U CN2010201314785U CN201020131478U CN201614875U CN 201614875 U CN201614875 U CN 201614875U CN 2010201314785 U CN2010201314785 U CN 2010201314785U CN 201020131478 U CN201020131478 U CN 201020131478U CN 201614875 U CN201614875 U CN 201614875U
- Authority
- CN
- China
- Prior art keywords
- pelletron
- dish
- curtain
- head sprocket
- bead
- 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 - Fee Related
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Abstract
The utility model discloses an automatic curtain winding structure which includes a fixing bracket, a bead chain rope, a main chain wheel, a main chain wheel driver and a tubular column used for winding the curtain. The automatic curtain winding structure is characterized in that a bead chain plate connected with the main chain wheel is buckled on the lower part of the fixing bracket movably in a dismountable way; the bead chain rope is twisted on the main chain wheel on the bead chain plate; the bead chain plate is connected with the tubular column for winding the curtain through a transmission mechanism, which prevent the bead chain rope from falling off when the bead chain rope is normally pulled, can not cause the bead chain rope to fall off when the bead chain rope is pulled with effort, and can cause the bead chain rope to fall off only when the integral stress of the bead chain plate is downwards and reaches a certain value, thus having the advantages of stable using and reasonable structure, and avoiding the injury on babies caused by the loop of the free end of the bead chain rope.
Description
Technical field
The utility model relates to a kind of curtain manual coiling device.
Background technology
Manual curtain coiling apparatus, majority are to rely on pelletron, and with pulling moving bead cord, the drive curtain is done and rolled or put down action; This kind bead cord stretch out a sagging bead cord, in family uses, can occur twining baby's incident, cause and cause injury, disable, even deadly incident; Increase a pulley in the free end bottom, this pulley is fixed on the body of wall for this reason, but also because of the user does not pack into pulley to bead cord, causes above-mentioned incident to still have the possibility of generation, and institute is still dangerous in this way; For this reason through constantly studying with improving, the patent No. is that 200420071930.8 Chinese patent discloses a kind of safe pelletron that is used to drive the curtain body folding and unfolding, this pelletron is made up of several beads and the line that is connected between bead, the two ends of pelletron is incorporated on a connecting seat, form a chain link, form the holding tank that is complementary with bead in the Connection Block, and be extended with splitting groove by holding tank towards the Connection Block end, the width of splitting groove is less than the holding tank internal diameter; Bead on the described pelletron termination is embedded in the holding tank; Adopt such structure, chain link is subjected to certain external force and does the time spent, but it is embedded at the termination bead trip-free in the Connection Block, promptly utilize the connectivity structure design of holding tank and splitting groove and splitting groove to rise automatically to receive principle and realize, thereby the oneself who reaches chain link unties, avoid its cover to be buckled in the people and to cause unnecessary accident, but the defective of this structure is possible at normal pulling chain rope or stressedly just may cause untiing automatically of chain link when a little bigger, use unstable, frequent coming off causes certain puzzlement to the user, and unreasonable structure, need further to improve.
The utility model content
Technical problem to be solved in the utility model is the present situation at prior art, providing a kind of bead cord can not occur and come off when normal pulling bead cord, just can cause bead cord to come off and firmly spur bead cord when meeting accident incident, thereby avoid taking place injury accident, use and stablize curtain manual coiling structure rational in infrastructure.
The utility model solves the problems of the technologies described above and the technical scheme that adopts is: a kind of curtain manual coiling structure, comprise fixed support, bead cord, head sprocket and head sprocket drive, be used for the reeling tubing string of curtain, it is characterized in that: the pelletron dish that is connected with head sprocket, the pelletron dish is movably, also releasably to be buckled in support bracket fastened bottom, bead cord is wrapped on the head sprocket on the pelletron dish, and the pelletron dish is connected by the tubing string of transmission mechanism with the coiling curtain.
Preferably, described transmission mechanism includes gear wheel, be installed in the support bracket fastened upper cavity, setting is fixed on central gear in the base and a plurality of pinions on the tooth rest, pinion on the tooth rest both with base in central gear be connected with a joggle, internal gear with gear wheel is connected with a joggle again, and the external gear of gear wheel and pelletron dish are connected with a joggle.
Can certainly adopt other transmission mechanism such as gear train to come transmission, the design of these gear trains is conventional art means very.
As improvement, described pelletron dish comprises left pelletron dish, right pelletron dish, and left pelletron dish and head sprocket are one-body molded, and head sprocket is arranged between left pelletron dish and the right pelletron dish, and bead on the bead cord and the teeth groove on the head sprocket match.
Improve, the lateral surface of described head sprocket is provided with positioning convex column again, and the positioning through hole on this positioning convex column and the right pelletron dish matches.
Preferably, described left pelletron dish and right pelletron dish equal and opposite in direction, shape is identical, and left pelletron dish and right pelletron dish mesh with the gear wheel bottom simultaneously.
At last, the lateral surface of described left pelletron dish and right pelletron dish is provided with axis, and the fixed support bottom is provided with the elasticity card base accordingly, and elasticity card base opposite face forms involutory axis hole, makes axis can be 360 ° and flexibly connects and be buckled between the elasticity card base.
Compared with prior art, advantage of the present utility model is: pelletron is buckled in support bracket fastened bottom with vitalizing dynamic formula, bead cord is wrapped on the head sprocket on the pelletron dish, when the pulling bead cord, can drive the pelletron dish rotates, normal stressed or exert oneself also can not cause bead cord to come off when big, it is stressed downwards and when reaching certain value only to check and regulate body at pelletron, just can cause bead cord to come off, it is stable that it is used, rational in infrastructure, and avoid free end lasso because of bead cord to cause injury to baby or pet, pelletron dish to be arranged on support bracket fastened bottom also can not influencing whole attractive in appearance; Bead cord is arranged on the head sprocket, be between left pelletron dish and the right pelletron dish, make its more stably with head sprocket on teeth groove carry out cooperating, the moving gear wheel of pelletron dribbling rotates, and the internal gear on the gear wheel drives pinion rotation, and pinion drives central gear and rotates, and then the rotation of drive tubing string makes it carry out the folding and unfolding action, when the user carried out the folding and unfolding curtain in the pulling bead cord, easy and flexible was also laborsaving more, the reasonable integral structure practicality.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the three-dimensional exploded view of driving wheel;
Fig. 3 is the front elevation drawing after driving wheel and the assembling of pelletron dish;
Fig. 4 is the rear elevation of base in the utility model;
Fig. 5 is the front elevation drawing of base in the utility model;
Fig. 6 is a support bracket fastened stereogram in the utility model;
Fig. 7 is a support bracket fastened front elevation drawing in the utility model;
Fig. 8 is the sectional view of A-A among Fig. 7;
Fig. 9 is the structural representation of gear wheel;
Figure 10 is the perspective view that left pelletron dish combines with head sprocket.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As a kind of curtain manual coiling structure as described in Fig. 1～3, comprise driving wheel 1 and follower 2, described driving wheel 1 comprises base 3 (shown in Figure 4 and 5), gear wheel 4 (as shown in Figure 9), bead cord 5, fixed support 6 is (as Fig. 6, shown in 7 and 8) and tooth rest 7, the middle part of base 3 has an installation shaft 8, a disc cavity 9 is arranged on the top of fixed support 6, seating plane 10, the cavity shell of fixed support 6 and tooth rest 7 connect and compose a box body 11 substantially by installation shaft 8, gear wheel 4 is to can be rotatably set in this box body 11, described bead cord 5 is made up of several beads 12 and the line 13 that is connected in 12 of beads, have a pelletron dish 14 insert fixed supports 6 the bottom and with fixed support 6 movably, and releasably buckle connects, this pelletron dish 14 comprises left pelletron dish 15, head sprocket 16 and right pelletron dish 17, left side pelletron dish 15 and head sprocket 16 one-body molded (as shown in figure 10), described head sprocket 16 lateral surfaces are provided with positioning convex column 18, this positioning convex column 18 combines with positioning through hole on the right pelletron dish 17, head sprocket 16 is arranged between right pelletron dish 17 and the left pelletron dish 15, and be coaxial arrangement, described bead cord 5 is wrapped on the head sprocket 16, bead 12 on the bead cord 5 cooperates with teeth groove 19 on the head sprocket 16, make its use more flexible, one-body molded in the heart in the lateral surface of right pelletron dish 17 and left pelletron dish 15 have an identical axis 20, accordingly, fixed support 6 bottoms are provided with elasticity card base 21, elasticity card base 21 opposite faces form involutory axis hole, this axis 20 and the elasticity card base 21 of fixed support 6 bottoms are matched, axis 20 can be 360 ° of rotations on elasticity card base 21, left side pelletron dish 15 and right pelletron dish 17 equal and opposite in directions, shape is identical, this left side pelletron dish 15 and right pelletron dish 17 mesh with the external gear bottom of gear wheel 4, on gear wheel 4, also be provided with internal gear 22, annular is distributed with projection 23 equably on the periphery of tooth rest 7, on each projection 23, identical pinion 24 is installed all, this pinion 24 carries out the fit engagement transmission with the internal gear 22 of gear wheel, on the installation shaft 8 of base 3, be provided with central gear 25, this central gear 25 places the center of annular spread pinion 24, pinion 24 meshes central gears 25 and rotates, there is a back-moving spring 26 to be nested with on installation shaft 8, this back-moving spring 26 is arranged between tooth rest 7 and the base 3, another side center at tooth rest 7 is provided with hollow shaft 27, described installation shaft 8 passes fixed support 6 and tooth rest 7 is arranged in the hollow shaft 27, side at hollow shaft 27 is provided with slot, aluminum pipe plug 28 utilizes inserted sheet 29 closely to be fixed on the outside of hollow shaft 27, the top that has a block 30 to be arranged on aluminum pipe plug 28 has installing hole on seating plane 10, utilize screw 31 to block a shot and 30 be connected on the installation shaft 8, tooth rest 7 and aluminum pipe plug 28 are carried out axial limiting, described follower 2 comprises toothed disc 32 and support, is with the second aluminum pipe plug 33 outside support, the same prior art of concrete structure, the tubing string of curtain of being used for reeling adopts aluminum pipe 34, driving wheel 1 and follower 2 are connected on aluminum pipe plug 28 and the second aluminum pipe plug 33 by aluminum pipe 34 fixed covers, and this device rotates along with pulling bead cord 5 makes pelletron dish 14 rotate and then drive gear wheel 4, and gear wheel 4 drives pinions 24 and rotates, pinion 24 both with base in central gear 25 engagement, internal gear 22 with gear wheel meshes again, constitutes the speed change transmission, makes tooth rest 7 produce rotation, and then drive aluminum pipe 34 carries out the action of folding and unfolding curtain, because the axis 20 of pelletron dish 14 is movable and releasably be buckled on the elasticity card base 21 of fixed support 6, only whole stressed downwards and when reaching certain value at pelletron dish 14, just can cause bead cord 5 to come off, it is stable that it is used, rational in infrastructure, and avoid free end lasso because of bead cord 5 to cause injury to the baby.
Claims (6)
1. curtain manual coiling structure, comprise fixed support, bead cord, head sprocket and head sprocket drive, be used for the reeling tubing string of curtain, it is characterized in that: the pelletron dish that is connected with head sprocket, the pelletron dish is movably, also releasably to be buckled in support bracket fastened bottom, bead cord is wrapped on the head sprocket on the pelletron dish, and the pelletron dish is connected by the tubing string of transmission mechanism with the coiling curtain.
2. curtain manual coiling structure according to claim 1, it is characterized in that described transmission mechanism includes gear wheel, be installed in the support bracket fastened upper cavity, setting is fixed on central gear in the base and a plurality of pinions on the tooth rest, pinion on the tooth rest both with base in central gear be connected with a joggle, internal gear with gear wheel is connected with a joggle again, and the external gear of gear wheel and pelletron dish are connected with a joggle.
3. curtain manual coiling structure according to claim 2, it is characterized in that described pelletron dish comprises left pelletron dish, right pelletron dish, left side pelletron dish and head sprocket are one-body molded, and head sprocket is arranged between left pelletron dish and the right pelletron dish, and bead on the bead cord and the teeth groove on the head sprocket match.
4. curtain manual coiling structure according to claim 3 is characterized in that: the lateral surface of described head sprocket is provided with positioning convex column, and the positioning through hole on this positioning convex column and the right pelletron dish matches.
5. curtain manual coiling structure according to claim 4 is characterized in that: described left pelletron dish and right pelletron dish equal and opposite in direction, and shape is identical, and left pelletron dish and right pelletron dish mesh with the gear wheel bottom simultaneously.
6. according to any described curtain manual coiling structure of claim of claim 1 to 5, it is characterized in that: the lateral surface of described left pelletron dish and right pelletron dish is provided with axis, the fixed support bottom is provided with the elasticity card base accordingly, elasticity card base opposite face forms involutory axis hole, makes axis can be 360 ° and flexibly connects and be buckled between the elasticity card base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201314785U CN201614875U (en) | 2010-03-12 | 2010-03-12 | Automatic curtain winding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201314785U CN201614875U (en) | 2010-03-12 | 2010-03-12 | Automatic curtain winding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201614875U true CN201614875U (en) | 2010-10-27 |
Family
ID=43001246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201314785U Expired - Fee Related CN201614875U (en) | 2010-03-12 | 2010-03-12 | Automatic curtain winding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201614875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102486A (en) * | 2010-03-12 | 2011-06-22 | 宁波先锋新材料股份有限公司 | Manual winding structure for curtain |
| CN107120400A (en) * | 2017-05-10 | 2017-09-01 | 宁波先锋新材料股份有限公司 | A kind of bead type driver |
-
2010
- 2010-03-12 CN CN2010201314785U patent/CN201614875U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102486A (en) * | 2010-03-12 | 2011-06-22 | 宁波先锋新材料股份有限公司 | Manual winding structure for curtain |
| CN102102486B (en) * | 2010-03-12 | 2013-04-10 | 宁波先锋新材料股份有限公司 | Manual winding structure for curtain |
| CN107120400A (en) * | 2017-05-10 | 2017-09-01 | 宁波先锋新材料股份有限公司 | A kind of bead type driver |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20190312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |