CN206681654U - A kind of Curtain assembly of stroke limit - Google Patents
A kind of Curtain assembly of stroke limit Download PDFInfo
- Publication number
- CN206681654U CN206681654U CN201720249619.5U CN201720249619U CN206681654U CN 206681654 U CN206681654 U CN 206681654U CN 201720249619 U CN201720249619 U CN 201720249619U CN 206681654 U CN206681654 U CN 206681654U
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- CN
- China
- Prior art keywords
- sleeve pipe
- stroke limit
- swivel becket
- installation axle
- drawstring
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a kind of Curtain assembly of stroke limit, including be installed on wallboard preceding back head, be set in before sleeve pipe between back head, coiling in the window curtain fabric on sleeve pipe, back head is provided with to drive the drawstring that sleeve pipe rotates;Front head includes connected preceding mounting bracket and installation axle, installation axle are externally provided with external screw thread and are threaded with two spacing rings, has the locking structure to position on spacing ring;A swivel becket is set with installation axle between two spacing rings, the madial wall of swivel becket has the internal thread to match with external screw thread, offers multiple tracks groove on the madial wall of sleeve pipe along its length, and the periphery of swivel becket and the groove structure of sleeve pipe match.Its technical scheme can be convenient and reliable restriction window curtain fabric motion maximum displacement, without setting spacing jacking block on drawstring to limit the maximum length that window curtain fabric moves downward, and the lifting length of window curtain fabric can be according to the convenient regulation of difference of installation environment, easy to use, structure is reliable.
Description
Technical field
It the utility model is related to curtain transmission mechanism technical field, more particularly to a kind of Curtain assembly of stroke limit.
Background technology
See and have the Window curtain structure of several patterns on the market now, such as:Sun blind, hundred folding casement curtains, Roman window curtain, drawing
Pearl curtain etc., it is mainly installed in the house lintel lintel of window or the first-class place of wallboard, to reach the work(of shielded from sunlight and decoration
Can, and according to the use demand of different consumers.And existing curtain is generally by the mode for installing spacing jacking block additional on drawstring
To realize the range of window curtain fabric decline, primary structure is to install a jacking block moved with drawstring additional on drawstring,
Behind the position that reaches capacity, jacking block is against runner and the motion of locking drawstring.But such structure is after long-term use, due to modeling
The characteristic of materials and parts material itself, spacing jacking block is easily damaged runner or head processed, and the stroke limited is not easy to adjust, and is unfavorable for growing
Phase uses.
Utility model content
For the above-mentioned problems in the prior art, now provide it is a kind of be intended to can be convenient and reliable restriction window curtain fabric
The Curtain assembly of the stroke limit of maximum displacement is moved, the range of left and right is limited by two spacing rings so that without drawing
Spacing jacking block is set on rope to limit the maximum length that window curtain fabric moves downward, and the position of two spacing rings on the mounting shaft
It is adjustable so that the lifting length of window curtain fabric can be according to the convenient regulation of difference of installation environment, and easy to use, structure is reliable.
Concrete technical scheme is as follows:
A kind of Curtain assembly of stroke limit, including be installed on wallboard front head and back head, be set in front head
Sleeve pipe, coiling between back head is in the window curtain fabric on sleeve pipe, and back head is provided with drawstring, and drawstring drives sleeve pipe to turn
It is dynamic;
Front head includes detachably connected preceding mounting bracket and installation axle, the periphery of installation axle and is provided with external screw thread, installation axle
On be threaded with two spacing rings, the madial wall of spacing ring has the internal thread to match with external screw thread, and has on spacing ring
To the locking structure positioned;
A swivel becket is set with installation axle between two spacing rings, the madial wall of swivel becket has and external screw thread phase
The internal thread matched somebody with somebody, multiple tracks groove, the periphery of swivel becket and the groove knot of sleeve pipe are offered along its length on the madial wall of sleeve pipe
Structure matches.
In the Curtain assembly of stroke limit provided by the utility model, also have the feature that, locking structure includes
The screw being radially opened on spacing ring and the screw being rotatably connected in screw.
In the Curtain assembly of stroke limit provided by the utility model, also have the feature that, the periphery of swivel becket
In gear-like structure, and in sleeve pipe.
In the Curtain assembly of stroke limit provided by the utility model, also have the feature that, back head include according to
Secondary permutation and combination torque arm together, self-locking mechanism, planet gear reducing mechanism, bead rotating disk, rear mounting bracket, wherein,
Torque arm is cylindrical in shape structure, and the output end of self-locking mechanism and planet gear reducing mechanism is mutually ratcheting, and self-locking mechanism, planet
One end of wheel reducing gear is stretched into torque arm by the side opening of torque arm one, and self-locking mechanism inside torque arm with fastening, bead rotating disk
On be set with the drawstring being in series by bead;
The side of bead rotating disk extends simultaneously is used as planet formed with the first tooth post, the first tooth post toe joint planet gear reducing mechanism
The input of reducing gear is taken turns, rear mounting bracket is connected with outside wallboard, and is connected and will draw with planet gear reducing mechanism side
Pearl rotary disk limitation is between planet gear reducing mechanism and rear mounting bracket.
In the Curtain assembly of stroke limit provided by the utility model, also have the feature that, planet-gear speed reducer
Structure includes outer cylinder body, planet carrier, multiple planetary gears on planet carrier, and the both ends of the surface of outer cylinder body open up shape respectively inwards
Into there is the first inner chamber and second inner chamber that are connected, specific two inner chambers are connected by a circular hole, and self-locking mechanism is placed in first
In inner chamber, the internal perisporium of second inner chamber has the gear teeth, and planet carrier one end extends formed with the second tooth post, planetary gear ratcheting second
The internal perisporium of inner chamber, and the second tooth post stretch into it is in first inner chamber and mutually ratcheting with self-locking mechanism.
In the Curtain assembly of stroke limit provided by the utility model, also have the feature that, the first tooth post stretches into
It is in planet carrier and mutually ratcheting with each planetary gear.
The beneficial effect of above-mentioned technical proposal is:
The Curtain assembly of stroke limit includes the preceding back head being installed on wallboard, the set being set between preceding back head
In the window curtain fabric on sleeve pipe, back head is provided with to drive the drawstring that sleeve pipe rotates for pipe, coiling;Front head includes what is be connected
Preceding mounting bracket and installation axle, installation axle are externally provided with external screw thread and are threaded with two spacing rings, have on spacing ring to fixed
The locking structure of position;Be set with a swivel becket in installation axle between two spacing rings, the madial wall of swivel becket have with it is outer
The internal thread that screw thread matches, offers multiple tracks groove on the madial wall of sleeve pipe along its length, the periphery of swivel becket and sleeve pipe
Groove structure matches.So as to drive swivel becket to rotate when drawstring drives sleeve pipe to rotate, swivel becket is on the mounting shaft along length
Direction movement is spent, and the range of left and right is limited by two spacing rings so that without setting spacing jacking block to limit on drawstring
Determine the maximum length that window curtain fabric moves downward, and the position of two spacing rings on the mounting shaft is adjustable so that window curtain fabric
Lifting length can be according to the convenient regulation of difference of installation environment, and easy to use, structure is reliable.
Brief description of the drawings
Fig. 1 is the assembled state structure chart of the Curtain assembly of the utility model stroke limit;
Fig. 2 is the detonation configuration figure of the Curtain assembly of the utility model stroke limit;
Fig. 3 be the utility model stroke limit Curtain assembly in front head part-structure stereogram;
Fig. 4 be the utility model stroke limit Curtain assembly in back head package assembly stereogram;
Fig. 5 be the utility model stroke limit Curtain assembly in back head detonation configuration figure.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
The Curtain assembly of 1 to 5 pair of stroke limit provided by the utility model of lower embodiment combination accompanying drawing is specifically addressed.
Refering to Fig. 1, for the assembled state structure chart of the Curtain assembly of stroke limit;With reference to Fig. 2, for the curtain of stroke limit
The detonation configuration figure of component;And Fig. 3, for the part-structure stereogram of front head in the Curtain assembly of stroke limit;And it is clear
The architectural feature of clear display the present embodiment, part-structure is omitted and shown in figure.As shown in Figure 1 to Figure 3, the utility model provides
The Curtain assembly of stroke limit include the front head 1 that is installed on wallboard OR gate lintel or the lintel of window and back head 3, be set in preceding system
Sleeve pipe 2, coiling between first 1 and back head 3 are provided with drawstring 5 in the window curtain fabric 4 on sleeve pipe 2, back head 3, and drawstring 5 drives
Sleeve pipe 2 rotates, wherein, front head 1 includes detachably connected preceding mounting bracket 11 and installation axle 12, and the periphery of installation axle 12 is set
There is external screw thread, two spacing rings 13 are threaded with installation axle 12, the madial wall of spacing ring 13 has what is matched with external screw thread
Internal thread, and there is the locking structure to position on spacing ring 13, it is set with installation axle 12 between two spacing rings 13
One swivel becket 14, the madial wall of swivel becket 14 have an internal thread to match with external screw thread, along length side on the madial wall of sleeve pipe 2
To multiple tracks groove 21 is offered, the periphery of swivel becket 14 matches with the structure of groove 21 of sleeve pipe 2.So as to drive sleeve pipe 2 in drawstring 5
During rotation, while swivel becket 14 is driven to rotate, and swivel becket 14 moves along its length in installation axle 12, and moving direction
Both ends are limited the range of left and right by spacing ring 13 so that without setting spacing jacking block on drawstring 5 to limit window curtain fabric
4 maximum lengths moved downward, meanwhile, position of two spacing rings 13 in installation axle 12 is adjustable so that the liter of window curtain fabric 4
Dropping length can be according to the convenient regulation of difference of installation environment, and easy to use, structure is reliable.
In a preferred embodiment, above-mentioned locking structure includes the screw being radially opened on spacing ring 13
15 and the screw (not shown) that is rotatably connected in screw 15, it is easy to adjust and uses.Further, the periphery of swivel becket 14 is in
Gear-like structure, and in sleeve pipe 2, it is easy to the transmission of power.Further, the both sides edge flanging processing of window curtain fabric 4,
Then bound edge is handled for lower edge so that structure is more firm and attractive in appearance.
As further preferred embodiment, specifically as shown in Figures 4 and 5, wherein Fig. 4 is the curtain of stroke limit
The package assembly stereogram of back head 3 in component, Fig. 5 be stroke limit Curtain assembly in back head 3 detonation configuration figure.On
The back head 3 stated include being combined torque arm 31 together, self-locking mechanism 32, planet gear reducing mechanism 33, bead turns
Disk 34, rear mounting bracket 35, wherein, torque arm 31 is cylindrical in shape structure, the output end phase of self-locking mechanism 32 and planet gear reducing mechanism 33
It is ratcheting, and one end of self-locking mechanism 32, planet gear reducing mechanism 33 is stretched into torque arm 31 by the side opening of torque arm 31 1, from lock machine
Structure 32 is set with the drawstring 5 being in series by bead, and bead rotating disk 34 with being fastened inside torque arm 31 on bead rotating disk 34
Side extension is simultaneously used as planet gear reducing mechanism formed with the first tooth post 341, the toe joint planet gear reducing mechanism 33 of the first tooth post 341
33 input, rear mounting bracket 35 are connected with outside lintel or the lintel of window or wallboard, and are connected with the side of planet gear reducing mechanism 33
Connect and bead rotating disk 34 is limited between planet gear reducing mechanism 33 and rear mounting bracket 35.
In a preferred embodiment, planet gear reducing mechanism 33 includes outer cylinder body 331, planet carrier 332, is flush-mounted in
Multiple planetary gears 333 on planet carrier 332, the both ends of the surface of outer cylinder body 331 open up formed with first to be connected respectively inwards
Inner chamber and second inner chamber, specific two inner chambers are connected by a circular hole, and self-locking mechanism 32 is placed in first inner chamber, second inner chamber
Internal perisporium there are the gear teeth, the extension of the one end of planet carrier 332 formed with the second tooth post 334,333 ratcheting second inner chamber of planetary gear
Internal perisporium, and the second tooth post 334 stretch into it is in first inner chamber and mutually ratcheting with self-locking mechanism 32.Further, the first tooth post 341 is stretched
Enter in planet carrier 332 and mutually ratcheting with each planetary gear 333.Further, 331 1 lateral external expansion of outer cylinder body is formed with outer
Edge, has the fastener towards the extension of the rear direction of mounting bracket 35 in outer rim, and rear mounting bracket 35 includes detachably connected first
Frame 351 and second support 352, have to connect the horizontal support plate 353 of lintel in first support 351, have in second support 352
There is the clamping joint to match with fastener, and bead rotating disk 34 is between planet gear reducing mechanism 33 and second support 352.Specifically
, waist type groove and/or screw are offered on horizontal support plate 353, is easy to connect lintel.Further, plugged together outside second support 352
It is connected with a cover plate 6 so that more aesthetically pleasing.
In axial direction extend as further preferred embodiment, in torque arm 31 formed with circular arc against
Plate, self-locking mechanism 32 include shell body, the drive block being placed in inside shell body for being cylindrical in shape structure, and shell body side is open,
Opposite side offers a circular duct, and drive block inwardly offers and the 334 ratcheting matching of the second tooth post towards the side of planet carrier 332
Internal spline, drive block extends formed with the torsion post to match with abutment plate towards the side of torque arm 31, and turns round and be set with torsion spring on post
(not shown), and turn round post and be embedded in the border circular areas surrounded by abutment plate.In addition, each components are consolidated in the present embodiment
Fixed connection is connected with fastener, and specific omit shows.Further, the periphery of bead rotating disk 34 has embedding with bead matching
Tankage hole (not shown), prevents drawstring 5 from dallying.Further, side of the torque arm 31 away from rear mounting bracket 35 offers one
Manhole is simultaneously embedded with bearing.
In addition, preceding mounting bracket 11 equally has cover plate structure, the preceding side of mounting bracket 11 is also detachably provided with to connect
The pedestal of installation axle 12, one end of installation axle 12 have mounting head and are detachably connected with pedestal, wherein, it is detachable to be connected mainly
Connected and realized with fastener, but be not limited to this.
In specific application, front head 1 and back head 3 coordinate sleeve pipe 2, and the periphery of torque arm 31 tool of back head 3 for this implementation
There is the structure to match with the madial wall of sleeve pipe 2, be combined together jointly, and be commonly mounted on lintel or the lintel of window or wallboard, sleeve pipe 2
Outer coiling window curtain fabric 4, the lower end of window curtain fabric 4 are also connected with fix bar, and it is existing common structure, in use, drawstring 5 is pulled,
Drive bead rotating disk 34 to rotate, and then drive planetary gear 333 and planet carrier 332 to rotate by the first tooth post 341, and play deceleration
Effect, and then rotated by ratcheting drive block, while drive outer cylinder body 331 to rotate, phase passed through by the torsion post on drive block
The abutment plate of setting-in and drive torque arm 31 to rotate, and then drive and rotate, play the function of lifting curtain, and at an arbitrary position
When needing to stop, drawstring 5 is unclamped, due to the effect of torsion spring in self-locking mechanism 32, drawstring 5 will not rotate automatically, appoint so as to realize
Anticipate the function of position self-locking, while limit by two spacing rings 13 the left and right range of the swivel becket 14 rotated with sleeve pipe 2, side
It can lean on.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claims are limited
Many changes are carried out, are changed, in addition it is equivalent, but fall within the scope of protection of the utility model.
Claims (6)
1. a kind of Curtain assembly of stroke limit, including be installed on wallboard front head (1) and back head (3), be set in institute
Sleeve pipe (2) between front head (1) and back head (3), coiling are stated in the window curtain fabric (4) in described sleeve pipe (2), and it is described after
Head (3) processed is provided with drawstring (5), and the drawstring (5) drives described sleeve pipe (2) to rotate, it is characterised in that
The front head (1) includes detachably connected preceding mounting bracket (11) and installation axle (12), the installation axle (12) outside
Week is provided with external screw thread, and two spacing rings (13), the madial wall of the spacing ring (13) are threaded with the installation axle (12)
There is the locking structure to position with the internal thread to match with the external screw thread, and on the spacing ring (13);
A swivel becket (14), the swivel becket are set with the installation axle (12) between two spacing rings (13)
(14) madial wall has the internal thread to match with the external screw thread, is opened up along its length on the madial wall of described sleeve pipe (2)
There is multiple tracks groove (21), the periphery of the swivel becket (14) matches with groove (21) structure of described sleeve pipe (2).
2. the Curtain assembly of stroke limit as claimed in claim 1, it is characterised in that the locking structure includes radially opening up
In the screw (15) on the spacing ring (13) and the screw being rotatably connected in the screw (15).
3. the Curtain assembly of stroke limit as claimed in claim 2, it is characterised in that the periphery of the swivel becket (14) is in tooth
Wheel-like structure, and in described sleeve pipe (2).
4. the Curtain assembly of the stroke limit as described in claim 1 or 3, it is characterised in that the back head (3) is included successively
Permutation and combination torque arm (31) together, self-locking mechanism (32), planet gear reducing mechanism (33), bead rotating disk (34), rear installation
Frame (35), wherein,
The torque arm (31) is cylindrical in shape structure, the self-locking mechanism (32) and the output end phase of the planet gear reducing mechanism (33)
It is ratcheting, and one end of the self-locking mechanism (32), planet gear reducing mechanism (33) is stretched into by the side opening of torque arm (31) one
In the torque arm (31), the self-locking mechanism (32) covers with being fastened inside the torque arm (31) on the bead rotating disk (34)
Equipped with the drawstring (5) being in series by bead;
The side extension of the bead rotating disk (34) is formed with the first tooth post (341), row described in the first tooth post (341) toe joint
Star wheel reducer structure (33) and as the input of the planet gear reducing mechanism (33), it is described after mounting bracket (35) and exterior wall
Plate is connected, and is connected with the planet gear reducing mechanism (33) side and the bead rotating disk (34) is limited in into the planet
Take turns between reducing gear (33) and the rear mounting bracket (35).
5. the Curtain assembly of stroke limit as claimed in claim 4, it is characterised in that planet gear reducing mechanism (33) bag
Include outer cylinder body (331), planet carrier (332), multiple planetary gears (333) on the planet carrier (332), the outer barrel
The both ends of the surface of body (331) open up formed with the first inner chamber and second inner chamber being connected respectively inwards, specific two inner chambers by
One circular hole is connected, and the self-locking mechanism (32) is placed in the first inner chamber, and the internal perisporium of the second inner chamber has the gear teeth,
Planet carrier (332) one end extension is formed with the second tooth post (334), the ratcheting second inner chamber of planetary gear (333)
Internal perisporium, and second tooth post (334) stretch into it is in the first inner chamber and mutually ratcheting with the self-locking mechanism (32).
6. the Curtain assembly of stroke limit as claimed in claim 5, it is characterised in that first tooth post (341) stretches into institute
State in planet carrier (332) and mutually ratcheting with each planetary gear (333).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720249619.5U CN206681654U (en) | 2017-03-15 | 2017-03-15 | A kind of Curtain assembly of stroke limit |
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CN201720249619.5U CN206681654U (en) | 2017-03-15 | 2017-03-15 | A kind of Curtain assembly of stroke limit |
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CN206681654U true CN206681654U (en) | 2017-11-28 |
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CN201720249619.5U Active CN206681654U (en) | 2017-03-15 | 2017-03-15 | A kind of Curtain assembly of stroke limit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111140961A (en) * | 2020-01-20 | 2020-05-12 | 珠海格力电器股份有限公司 | Protection device, evaporative cooling fan and control method |
CN111862981A (en) * | 2020-08-10 | 2020-10-30 | 西安麦邦智航智能电子科技股份有限公司 | Artificial intelligence AI voice control system |
CN113756704A (en) * | 2021-09-30 | 2021-12-07 | 杭州纪川科技有限公司 | Spring roller shutter with adjustable function |
-
2017
- 2017-03-15 CN CN201720249619.5U patent/CN206681654U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111140961A (en) * | 2020-01-20 | 2020-05-12 | 珠海格力电器股份有限公司 | Protection device, evaporative cooling fan and control method |
CN111140961B (en) * | 2020-01-20 | 2023-12-08 | 珠海格力电器股份有限公司 | Protective device, evaporative cooling fan and control method |
CN111862981A (en) * | 2020-08-10 | 2020-10-30 | 西安麦邦智航智能电子科技股份有限公司 | Artificial intelligence AI voice control system |
CN113756704A (en) * | 2021-09-30 | 2021-12-07 | 杭州纪川科技有限公司 | Spring roller shutter with adjustable function |
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