CN201227146Y - Toothed belt type electric curtain guide-rail - Google Patents
Toothed belt type electric curtain guide-rail Download PDFInfo
- Publication number
- CN201227146Y CN201227146Y CNU2008201273928U CN200820127392U CN201227146Y CN 201227146 Y CN201227146 Y CN 201227146Y CN U2008201273928 U CNU2008201273928 U CN U2008201273928U CN 200820127392 U CN200820127392 U CN 200820127392U CN 201227146 Y CN201227146 Y CN 201227146Y
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- CN
- China
- Prior art keywords
- gear
- toothed belt
- cingulum
- pulleys
- pulley
- 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 a toothed belt electric curtain rail which comprises a shell, wherein a gear is arranged in the shell; a toothed belt bypasses the gear, and the side of the gear is provided with at least two main pulleys; the main pulleys are positioned at two sides of the gear along the traction direction of the toothed belt, and the main pulleys press the toothed pulley on the gear. The pulleys are used to substitute guide walls in the prior art for restricting the toothed belt, thereby the toothed belt can be prevented from falling out of the gear. The contact area between the pulleys and the toothed belt reduces greatly so as to greatly reduce the friction to the toothed belt; the pulleys rotate as the toothed belt moves, and the sliding friction between the pulleys and the toothed belt does not occur, thereby the friction can be further reduced. With the structure, the electric curtain rail can be used with an ordinary toothed belt together, and the utility model has the advantages of simple structure, low cost, less friction, energy conservation and low operation noise, and the locking phenomenon does not occur.
Description
Technical field
The utility model relates to a kind of electrically driven curtain guide rail, specifically a kind of teeth belt type electrically driven curtain guide rail.
Background technology
At present, all kinds of electrically driven curtains are to be power with the motor, and the mode that adopts main drive wheel to drive the curtain drag rope affects the curtain motion.But in use, usually because frictional force is not enough, drag rope can skid on main drive wheel, causes curtain open/close not smooth, even can't open or close.In order to address this problem, teeth belt type electrically driven curtain guide rail has appearred, replace pull rope with cingulum, walk around the driving wheel and the driven pulley that are positioned at the guide rail two ends, driving wheel and driven pulley all adopt gear.Tooth and the tooth on the gear on the cingulum are chimeric mutually, have avoided skidding.But, if cingulum is loose when installing, then cingulum still might be deviate from from gear, in order to address this problem, the way of prior art is: as shown in Figure 1, around gear 2 guide wall 3 is set, forms one between guide wall 3 and the gear 2 and can just hold the space of cingulum 4 down, cingulum 4 is subjected to the contention effect of guide wall 3 like this, just can not deviate from from gear 2.But the problem that this structure is brought is, because the space between guide wall 3 and the gear 2 can just hold cingulum 4 down, when operation, the outside of cingulum 4 has very large tracts of land and is close to guide wall 3, form big frictional force, this frictional force can hinder the transmission of cingulum 4, waste energy, generation noise.Especially cingulum 4 is when the space that enters between guide wall 3 and the gear 2, and cingulum 4 can be given 3 one pressure of guide wall, and this pressure is big more, and the frictional force that is produced is big more, can cause cingulum 4 locked when serious, can't transmission.In addition, as shown in Figure 2, when cingulum from the outlet of rail end hour, cingulum 4 has been walked around big half cycle on gear 2, the frictional force that produce this moment can be bigger.Existing way is to add one deck smooth layer in the cingulum outside, to play lubrication.But the cost of this cingulum is very high, and uses after a period of time, and smooth layer is worn, and still can produce the excessive problem of frictional force.
The utility model content
The technical problems to be solved in the utility model provides the teeth belt type electrically driven curtain guide rail that a kind of cost is low, noise is little, frictional force is little.
Teeth belt type electrically driven curtain guide rail of the present utility model comprises housing, is provided with gear in the housing, cingulum is walked around described gear, described gear side is provided with at least two head pulleys, and described head pulley is positioned at the both sides of gear along the lead of cingulum, and described head pulley is pressed in cingulum on the described gear.The utility model utilizes pulley to replace guide wall of the prior art that cingulum is limited, and prevents that cingulum from deviating from from gear.The first, the contact area of pulley and cingulum reduces greatly, thereby greatly reduces the frictional force to cingulum; The second, along with the motion of cingulum, pulley itself can rotate thereupon, and sliding friction does not take place between pulley and the cingulum, has further reduced frictional force.The electrically driven curtain guide rail of this structure can cooperate common cingulum to use, and is simple in structure, cost is low, and frictional force is little, conserve energy, and the operation noise is low, deadlock phenomenon can not take place.
As to further improvement of the utility model, teeth belt type electrically driven curtain guide rail of the present utility model also is provided with at least one additional pulley, described additional pulley is arranged on the circumference between two head pulleys in the gear outside, and described additional pulley is pressed in cingulum on the described gear.Additional pulley can further limit cingulum, reaches better effect.And if head pulley breaks down so that lost efficacy, additional pulley can play certain substitution effect.
As further improving of the present utility model, described head pulley or additional pulley are arranged on mobilizable support, are provided with spring between support and the housing sidewall.This structure makes pulley to the adjustable in pressure of cingulum, makes pulley as much as possible little to the pressure of cingulum, reducing frictional force as far as possible, and don't can cingulum be deviate from from gear because of pressure is too small.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of a kind of embodiment of teeth belt type electrically driven curtain guide rail in the prior art;
Fig. 2 is the structural representation of the another kind of embodiment of teeth belt type electrically driven curtain guide rail in the prior art;
Fig. 3 is the structural representation of a kind of embodiment of teeth belt type electrically driven curtain guide rail of the present utility model;
Fig. 4 is the structural representation of the another kind of embodiment of teeth belt type electrically driven curtain guide rail of the present utility model.
Among the figure: 1. housing, 2 gears, 3. guide wall, 4. cingulum, 5. head pulley, 6. spring, 7. support, 8. additional pulley.
The specific embodiment
First embodiment of the present utility model as shown in Figure 3, in this embodiment, teeth belt type electrically driven curtain guide rail comprises a housing 1, is provided with gear 2 in the housing 1, and cingulum 4 is walked around this gear 2 lucky half cycles, and the tooth of the tooth of cingulum 4 and gear 2 cooperatively interacts.In the position that gear 2 both sides cingulums 4 separate with gear 2, promptly gear 2 is provided with 5, two head pulleys 5 of two head pulleys and from both sides cingulum 4 is pressed on the gear 2 respectively along the both sides of the lead of cingulum 4, and cingulum 4 can not deviate from from gear 2.Because the being meshing with each other effect of gear 2, cingulum 4 raker tooths, the cingulum 4 that needs only two head pulley 5 positions is not deviate from from gear 2, and the cingulum 4 between two head pulleys 5 can not deviate from from gear 2 yet so.Because head pulley 5 is very little with the contact area of cingulum 4, can regard a line approx as, so the frictional force between it is very little; In addition, along with the motion of cingulum 4, head pulley 5 itself also can rotate thereupon, between head pulley 5 and the cingulum 4 sliding friction does not take place, has further reduced frictional force.The electrically driven curtain guide rail of this structure can cooperate common cingulum to use, and is simple in structure, cost is low, and frictional force is little, conserve energy, and the operation noise is low, deadlock phenomenon can not take place.
As shown in Figure 4, if the outlet of cingulum 4 is less on the housing 1, then cingulum 4 need be walked around big half cycle on gear 2, at this moment, as long as it is just passable that head pulley 5 is arranged on the position that cingulum 4 separates with gear 2, the effect that restriction cingulum 4 is deviate from can be played equally from gear 2, and frictional force can be do not increased.In general, as long as it is just passable that two head pulleys 5 are set, but for the sake of assurance, can be at the one or more additional pulleys 8 of 2 arranged outside of the gear between two head pulleys 5, certainly, additional pulley 8 is arranged on the side circumference that gear 2 contacts with cingulum 4.Additional pulley 8 can be assisted the effect that restriction cingulum 4 is deviate from of playing from gear 2, and when head pulley 5 lost efficacy, can play certain substituted role.As shown in Figure 4, in this embodiment, be provided with two additional pulleys 8.
In addition, head pulley 5 or additional pulley 8 can be arranged on the support 7 of an activity, between travel(l)ing rest 7 and housing 1 sidewall spring 6 be set.By the elastic force of regulating spring 6, can regulate the pressure of pulley to cingulum 4.Like this, elastic force that can be by regulating spring 6, make near a kind of like this perfect condition: pulley is as much as possible little so that reduce friction as far as possible to the pressure of cingulum 4, to such an extent as to but this pressure can can't not limit cingulum 4 again too for a short time deviates from from gear 2.In addition, this structure can also adapt to the cingulum 4 of different-thickness, need not open mould again when changing the cingulum 4 of different-thickness.
Claims (3)
1, teeth belt type electrically driven curtain guide rail comprises housing, is provided with gear in the housing, cingulum is walked around described gear, it is characterized in that, described gear side is provided with at least two head pulleys, described head pulley is positioned at the both sides of gear along the lead of cingulum, and described head pulley is pressed in cingulum on the described gear.
2, teeth belt type electrically driven curtain guide rail according to claim 1 is characterized in that, also is provided with at least one additional pulley, and described additional pulley is arranged on the circumference between two head pulleys in the gear outside, and described additional pulley is pressed in cingulum on the described gear.
3, teeth belt type electrically driven curtain guide rail according to claim 1 and 2 is characterized in that, described head pulley or additional pulley are arranged on mobilizable support, are provided with spring between support and the housing sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201273928U CN201227146Y (en) | 2008-07-29 | 2008-07-29 | Toothed belt type electric curtain guide-rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201273928U CN201227146Y (en) | 2008-07-29 | 2008-07-29 | Toothed belt type electric curtain guide-rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201227146Y true CN201227146Y (en) | 2009-04-29 |
Family
ID=40632104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201273928U Expired - Fee Related CN201227146Y (en) | 2008-07-29 | 2008-07-29 | Toothed belt type electric curtain guide-rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201227146Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973120A (en) * | 2011-09-02 | 2013-03-20 | 宁波耐巴浴具制造有限公司 | Electric curtain sliding rail link mechanism |
| CN103451886A (en) * | 2013-08-27 | 2013-12-18 | 张家港市金太阳帽业有限公司 | Beret fulling device |
| CN110934478A (en) * | 2019-12-19 | 2020-03-31 | 黄逸 | Electric curtain using toothed chain transmission structure and convenient to lift |
-
2008
- 2008-07-29 CN CNU2008201273928U patent/CN201227146Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973120A (en) * | 2011-09-02 | 2013-03-20 | 宁波耐巴浴具制造有限公司 | Electric curtain sliding rail link mechanism |
| CN103451886A (en) * | 2013-08-27 | 2013-12-18 | 张家港市金太阳帽业有限公司 | Beret fulling device |
| CN110934478A (en) * | 2019-12-19 | 2020-03-31 | 黄逸 | Electric curtain using toothed chain transmission structure and convenient to lift |
| CN110934478B (en) * | 2019-12-19 | 2021-11-30 | 江苏博润图制造有限公司 | Electric curtain using toothed chain transmission structure and convenient to lift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Institute of modern technology Assignor: Wang Yi Contract record no.: 2010110000106 Denomination of utility model: Toothed belt type electric curtain guide-rail Granted publication date: 20090429 License type: Exclusive License Record date: 20100804 |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Yi Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Yi Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20150729 |
|
| EXPY | Termination of patent right or utility model |