CN102727064B - Electric screw-driven manual traction device for curtain frame - Google Patents
Electric screw-driven manual traction device for curtain frame Download PDFInfo
- Publication number
- CN102727064B CN102727064B CN201210236429.1A CN201210236429A CN102727064B CN 102727064 B CN102727064 B CN 102727064B CN 201210236429 A CN201210236429 A CN 201210236429A CN 102727064 B CN102727064 B CN 102727064B
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- clutch
- traction device
- connecting rod
- electric screw
- guide seat
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Abstract
The invention discloses an electric screw-driven manual traction device for a curtain frame, comprising a connection rod used for suspending a window cloth, and a guide seat connected with the connection rod, wherein a guide sleeve is arranged on the guide seat, and a screw steel wire is partially sleeved in the guide sleeve. The electric screw-driven manual traction device is characterized in that a penetration hole is formed on the guide sleeve; a clutch assembly capable of automatically resetting is arranged in the penetration hole; one end of the clutch assembly is connected with a rotary bearing and clamped on a screw link of the screw steel wire; the other end of the clutch assembly is connected with the connection rod; and then the rotary bearing can separate from the screw link of the screw steel wire in the case that the connection rod is pulled downwards by an external force, simultaneously, the clutch assembly automatically resets in the case that the external force acted on the connection rod disappears, so that the rotary bearing is returned and clamped on the screw link of the screw steel wire. Compared with the prior art, the electric screw-driven manual traction device disclosed by the invention has the following advantage that: driving the movement of the whole curtain cloth by directly dragging a curtain with a hand can be realized.
Description
Technical field
The present invention relates to a kind of curtain rod arm that rotates to realize curtain switching by motorized motions one worm drive part, particularly relate to a kind of electric screw transmission curtain rod arm hand traction device.
Background technology
Traditional curtain opening and closing device adopts dragline type more, be that curtain ring is at certain intervals apart from being set on curtain rod slidably, and at certain intervals distance by bolt in looped pull straps, when draw-back curtain, pull stay cord with hand or by motor, the curtain ring that makes to be fixed on stay cord scatters and space certain distance one by one, thereby makes casement be expansion shape, otherwise, oppositely pull stay cord to make casement draw in.Because once ring-type stay cord assembles complete its length that just cannot change, therefore for the window of non-standard width, as to install this can only dragline type curtain rod arm, just " customized " in advance; On the other hand, due between curtain ring and its curtain rod wearing for sliding friction, and the weight of casement is all converted to the relative pressure between curtain ring and curtain rod by curtain ring, according to the computing formula f=N × u of frictional force (wherein N is that relative pressure, u are coefficient of friction), therefore the frictional force between curtain ring and curtain rod is larger, in use shows as required pulling force greatly and has larger noise.For the problems referred to above, a kind of screw curtain rod arm is devised, it is by the positive and negative rotation of screw rod, draw ring nut or curtain ring that driving wears thereon move left and right, the Chinese utility model patent " spiral window curtain holder " that is 90224991.6 as the patent No. Chinese utility model patent " screw type automatic device of window curtain opening-closing " that is 86209502 and the patent No. is exactly this design, due to screw rod brachymemma easily, therefore can be fitted to easily on the window of different in width, but still there are some defects in them: wherein in the latter's scheme, all curtain rings are all directly set on screw rod, also the total weight that is casement bears by this screw rod, therefore the required rotary driving force of this screw rod is larger, and service time one is long, therefore screw rod is likely out of shape, further impact is used, and in the former scheme, curtain ring is set on a polished rod, and ring nut is drawn in one connection one on first curtain ring, and by this draw ring nut wear and be screwed onto on the screw rod parallel with polished rod, this design is owing to being provided with respectively the screw rod and the polished rod that plays load-bearing effect of gearing, the weight major part of casement is born by polished rod, thereby reduced the required rotary driving force of screw rod, but at this two schemes, curtain ring or draw ring nut and its and wear between the screw rod being spirally connected and remain sliding friction, its frictional force is larger, and when use, noise is also larger.
For a kind of spiral window curtain holder little, that noise is low and transmission and load-bearing are separated that rubs is provided, authorize the Chinese invention patent application that publication number is CN1140216C that a kind of new spiral window curtain holder is just provided, this spiral window curtain holder, include spiral wire, the slide bar being parallel to each other up and down and the bearing that is positioned at their two ends, described spiral wire shape is as spring but be rigidity, and can drive rotation by the driving mechanism in its two end bearing; On described slide bar, be provided with multiple that can move along slide bar, for the rings seat of fixing Window curtain ring, and be at least provided with a guide seat, this guide seat is connected as a single entity with corresponding rings seat, guide seat top is provided with two needle rollers that raise up, this two needle roller can rotate around they rotating shafts separately, and is stuck on the spiral segment of described spiral wire; And on described guide seat, be also provided with a guiding cover, this guiding is overlapped to corresponding spiral wire local sleeve therein.Because the weight suspension ring of curtain act on slide bar, suspension ring are driven by the relative screw between the needle roller on guide seat and spiral wire relative to moving of slide bar, thereby transmission and load-bearing are separated, also do not affect use even if spiral wire is slightly out of shape; And due between needle roller and spiral wire for rolling friction, frictional force is minimum, and required driving force is also very little, adds the rolling friction design between rings seat and slide bar, uses very light and handy and noise is very little.
The general driving mechanism that drives above-mentioned spiral wire rotation is motor, uses the spiral window curtain holder that has said structure, in the time there is power-off or electrical fault, needs manually to pull curtain, does not possess this function in prior art.
Summary of the invention
Technical problem to be solved by this invention is the electric screw transmission curtain rod arm hand traction device that provides the direct tractive curtain of a kind of hand just can drive monoblock casement to move for above-mentioned prior art.
The present invention solves the problems of the technologies described above adopted technical scheme: this electric screw transmission curtain rod arm hand traction device, electric screw transmission curtain rod arm hand traction device, comprise the connecting rod for hanging casement, the guide seat being connected with connecting rod, on guide seat, be provided with guiding cover, the local sleeve of spiral wire is located in described guiding cover, it is characterized in that: described guiding puts and is provided with perforation, in this perforation, be provided with the automatically reset clutch pack of energy, one end of described clutch pack is connected with rolling bearing, and be stuck on the spiral segment of described spiral wire, the other end of described clutch pack is connected with described connecting rod, and then described rolling bearing can depart from the spiral segment of described spiral wire in the situation that having external force to pull connecting rod downwards, thereby while being applied to the external force disappearance on connecting rod, clutch pack can automatically reset described rolling bearing reply is stuck on the spiral segment of described spiral wire simultaneously.
As improvement, described clutch pack comprises:
Clutch base, this clutch base is fixed on described guide seat;
Clutch pull rod, runs through clutch base, and can in clutch base, move up and down;
Clutch compression elastic piece, is arranged in clutch base, is set in outside clutch pull rod;
Described rolling bearing is arranged on described clutch pull rod top, also can rotates around clutch pull rod, and the bottom of described clutch pull rod is connected with described connecting rod.
Between the bottom of described clutch pull rod and described connecting rod, be connected by a transition draw ring, because it is not to be often completely in line and to move down that external force pulls the process that connecting rod moves down, connecting rod has certain angle to be changed, clutch pull rod can produce certain transverse component and swing in folding process like this, thereby clutch pull rod is declined and rise not smooth, increase fine the addressing this problem of a transition draw ring energy, because when transition draw ring connects clutch pull rod and connecting rod, the rotation compared with wide-angle can be formed, thereby above-mentioned obstacle can be eliminated.
Described connecting rod is rotatably connected on described guide seat, and described connecting rod is divided into the first company headquarters and the second company headquarters take run-on point as boundary, and the first company headquarters is used for hanging casement, and described clutch pack is connected with described the first company headquarters.
As improvement, between the first company headquarters of described connecting rod and described guide seat, be provided with adjusting extension spring, one end of this adjusting extension spring is connected with described the first company headquarters, and the other end of described adjusting extension spring is connected with described guide seat.Because curtain is furnished with dividing of height and weight, and clutch pack will reach reset mode completely, need to rely on the restoring force of clutch compression elastic piece, but sometimes meet some difficulty of casement of all weights completely by clutch compression elastic piece, so clutch pack reaches reset mode completely after reaching hand and unclamp casement with adjusting extension spring, regulate extension spring can change size and accelerate to meet actual requirement.
In described the second company headquarters, be provided with balance rollers, in the time pulling casement, connecting rod rotates and makes draw-gear entirety discontinuity along traction seat, it is not smooth that before and after draw-gear can produce, thereby certain inclination makes to pull the certain obstacle of mobile generation, when increasing after balance rollers, in the time that connecting rod rotates, balance rollers upwards rises, and withstands curtain rod arm or track, plays a point action, thereby make draw-gear entirety parallel, thereby make to pull mobile more smooth.
Described connecting rod is provided with two groups, is symmetricly set on described guide seat both sides, and two groups of connecting rods are all connected with one end of described clutch pack.Two groups of connecting rods are set and make it in clutch pack bilateral symmetry, in the time pulling casement, can produce so parallel relatively after all pulling force, reduce the inclined degree of draw-gear, thereby make the movement of draw-gear relatively smoothly with light.
The two sides of described guide seat are provided with the slot that prevents that guide seat from swinging to both sides in running, the quantity of slot can be multiple, is provided with soft material, as wool top, rubber strip, flannelette etc. in slot, can prevent from swinging and capable of reducing friction resistance, make operational effect better.
Described connecting rod arranged outside has reinforcement shell, in the time pulling casement and make the stressed rotation of connecting rod, the pulling force that railing is subject to can be that the strength size that pulls is indefinite because of people, in order to guarantee to move reliably and with long-term, need to strengthen the deformation intensity of whole connecting rod, strengthen shell in connecting rod arranged outside, joining with screw and draw-gear is entirety, strengthen the intensity of whole electric and hand draw-gear, also make profile more attractive in appearance simultaneously.
On described guide seat, be provided with Magnetic Induction magnet steel, in draw-gear moving process, play the effect of position signalling, in the time passing through the Magnetic Induction device (as Hall element, tongue tube) of installing on track, the signal of draw-gear will be passed on away.
Compared with prior art, the invention has the advantages that: can realize the direct tractive curtain of hand and just can drive monoblock casement to move.
Accompanying drawing explanation
Fig. 1 is the perspective view of electric screw transmission curtain rod arm hand traction device in the embodiment of the present invention one;
Fig. 2 is the perspective view at another visual angle of electric screw transmission curtain rod arm hand traction device in the embodiment of the present invention one;
Fig. 3 is the perspective view of clutch pack in the embodiment of the present invention one;
Fig. 4 is the electric screw transmission curtain rod arm perspective view (hand traction device does not arrange outward and strengthens shell) that application has hand traction device in the embodiment of the present invention one;
Fig. 5 is the electric screw transmission curtain rod arm perspective view (hand traction device is outside equipped with and strengthens shell) that application has hand traction device in the embodiment of the present invention one;
Fig. 6 is the electric screw transmission curtain rod arm perspective view that application has hand traction device in the embodiment of the present invention two;
Fig. 7 is another visual angle electric screw transmission curtain rod arm perspective view that application has hand traction device in the embodiment of the present invention two;
Fig. 8 is another visual angle electric screw transmission curtain rod arm front view that application has hand traction device in the embodiment of the present invention two.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment mono-
As Fig. 1, electric screw transmission curtain rod arm hand traction device shown in 2, it comprises the connecting rod 1 for hanging casement, the guide seat 2 being connected with connecting rod 1, connecting rod 1 is rotatably connected on described guide seat 2 by bearing pin 7, described connecting rod is divided into the first company headquarters 11 and the second company headquarters 12 take run-on point as boundary, the first company headquarters 11 is for hanging casement, on guide seat 2, be provided with guiding cover 3, the local sleeve of spiral wire 4 is located in described guiding cover 3, on described guiding cover 3, be provided with perforation 31, in this perforation 31, be provided with the automatically reset clutch pack 5 of energy, one end of described clutch pack 5 is connected with rolling bearing 6, and be stuck on the spiral segment of spiral wire 4, the other end of described clutch pack 5 is connected with the first company headquarters 11 of described connecting rod 1, and then described rolling bearing 6 can depart from the spiral segment of described spiral wire 4 in the situation that having external force to pull connecting rod 1 downwards, while being applied to the external force disappearance on connecting rod 1, clutch pack 5 automatically resets described rolling bearing 6 replies is stuck on the spiral segment of described spiral wire 4 simultaneously, shown in Figure 4.
In the present embodiment, clutch pack 5 comprises:
Clutch base 51, this clutch base 51 is fixed on described guide seat 2;
Clutch pull rod 52, runs through clutch base, and can in clutch base, move up and down;
Clutch Compress Spring 53, is arranged in clutch base 51, is set in outside clutch pull rod 52;
Described rolling bearing 6 is arranged on described clutch pull rod 52 tops, also can rotates around clutch pull rod 52, and the bottom of described clutch pull rod 52 is connected with described connecting rod 1, shown in Figure 3.Between the bottom of described clutch pull rod 52 and described connecting rod, be connected by a transition draw ring 10.
Between the first company headquarters 11 of described connecting rod 1 and described guide seat 2, be provided with and regulate extension spring 9, one end of this adjusting extension spring 9 is connected with described the first company headquarters 11, and the other end of described adjusting extension spring 9 is connected with described guide seat 2.
In described second company headquarters 12 of described connecting rod 1, be provided with balance rollers 8.
The two sides of described guide seat 2 are provided with the slot 21 that prevents that guide seat 2 from swinging to both sides in running, are provided with soft material in slot 21.On described guide seat, be also provided with magnet steel 14.
Described connecting rod 1 arranged outside has the shell 13 of reinforcement, shown in Figure 5.
The downside getting on the right track at hitch frame is also provided with auxiliary wheel 14 near track lower limb, effect is in the time pulling casement, to make connecting rod rotate the initial stage, prevent that whole draw-gear from having large inclination, can be more easily with smooth, shown in Fig. 1 and Fig. 4 in manual use.
Application has the electric screw transmission curtain rod arm of the hand traction device that the present embodiment provides, referring to Fig. 4, shown in Fig. 5, motor output shaft drives spiral wire to rotate, traction casing 3 on hand traction device is set on spiral wire 4, the rolling bearing 6 being connected with clutch pack passes traction casing and is stuck on the spiral segment of spiral wire 4, in the time that spiral wire 4 rotates, spiral wire 4 contacts with rolling bearing 6 and promotes rolling bearing 6 and rotates, the rolling bearing 6 rotating further promotes whole hand traction device and moves, thereby make the motion that is in line of whole draw-gear, the casement of hanging on draw-gear connecting rod also just can opening and closing.
In the time pulling casement, the connecting rod 1 that hangs casement has downward pulling force, thereby make connecting rod 1 along with bearing pin 7 rotates, the transition draw ring 10 being connected with connecting rod 1 drives clutch pull rod 52 to move down, rolling bearing 6 moves down with clutch pull rod 52, thereby rolling bearing 6 departs from the spiral segment of spiral wire 4, in the time that pulling casement moves left and right, whole draw-gear just can move left and right, pull open and close function thereby complete, in the time that hand unclamps casement, clutch linkage automatically resets by the Compress Spring 53 in clutch, can return to again motoring condition.
Embodiment bis-
Different from embodiment mono-, described connecting rod is provided with two groups of 1-1,1-2, is symmetricly set on described guide seat 2 both sides, and two groups of connecting rods are all connected with one end of described clutch pack, shown in Fig. 6,7,8.
Claims (10)
1. an electric screw transmission curtain rod arm hand traction device, comprise the connecting rod for hanging casement, the guide seat being connected with connecting rod, on guide seat, be provided with guiding cover, the local sleeve of spiral wire is located in described guiding cover, it is characterized in that: described guiding puts and is provided with perforation, in this perforation, be provided with the automatically reset clutch pack of energy, one end of described clutch pack is connected with rolling bearing, and be stuck on the spiral segment of described spiral wire, the other end of described clutch pack is connected with described connecting rod, and then described rolling bearing can depart from the spiral segment of described spiral wire in the situation that having external force to pull connecting rod downwards, while being applied to the external force disappearance on connecting rod, clutch pack automatically resets described rolling bearing reply is stuck on the spiral segment of described spiral wire simultaneously.
2. electric screw transmission curtain rod arm hand traction device according to claim 1, is characterized in that: described clutch pack comprises:
Clutch base, this clutch base is fixed on described guide seat;
Clutch pull rod, runs through clutch base, and can in clutch base, move up and down;
Clutch compression elastic piece, is arranged in clutch base, is set in outside clutch pull rod;
Described rolling bearing is arranged on described clutch pull rod top, also can rotates around clutch pull rod, and the bottom of described clutch pull rod is connected with described connecting rod.
3. electric screw transmission curtain rod arm hand traction device according to claim 2, is characterized in that: between the bottom of described clutch pull rod and described connecting rod, be connected by a transition draw ring.
4. according to the electric screw transmission curtain rod arm hand traction device described in claim 1 or 2 or 3, it is characterized in that: described connecting rod is rotatably connected on described guide seat, described connecting rod is divided into the first company headquarters and the second company headquarters take run-on point as boundary, the first company headquarters is used for hanging casement, and described clutch pack is connected with described the first company headquarters.
5. electric screw transmission curtain rod arm hand traction device according to claim 4, it is characterized in that: between the first company headquarters of described connecting rod and described guide seat, be provided with adjusting extension spring, one end of this adjusting extension spring is connected with described the first company headquarters, and the other end of described adjusting extension spring is connected with described guide seat.
6. electric screw transmission curtain rod arm hand traction device according to claim 4, is characterized in that: in described the second company headquarters, be provided with balance rollers.
7. according to the electric screw transmission curtain rod arm hand traction device described in claim 1 or 2 or 3, it is characterized in that: described connecting rod is provided with two groups, be symmetricly set on described guide seat both sides, two groups of connecting rods are all connected with one end of described clutch pack.
8. according to the electric screw transmission curtain rod arm hand traction device described in claim 1 or 2 or 3, it is characterized in that: the two sides of described guide seat are provided with the slot that prevents that guide seat from swinging to both sides in running, are provided with soft material in slot.
9. according to the electric screw transmission curtain rod arm hand traction device described in claim 1 or 2 or 3, it is characterized in that: described connecting rod arranged outside has reinforcement shell.
10. according to the electric screw transmission curtain rod arm hand traction device described in claim 1 or 2 or 3, it is characterized in that: the downside that hitch frame gets on the right track is also provided with auxiliary wheel near track lower limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236429.1A CN102727064B (en) | 2012-07-09 | 2012-07-09 | Electric screw-driven manual traction device for curtain frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236429.1A CN102727064B (en) | 2012-07-09 | 2012-07-09 | Electric screw-driven manual traction device for curtain frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102727064A CN102727064A (en) | 2012-10-17 |
| CN102727064B true CN102727064B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236429.1A Expired - Fee Related CN102727064B (en) | 2012-07-09 | 2012-07-09 | Electric screw-driven manual traction device for curtain frame |
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| CN (1) | CN102727064B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199055A (en) * | 2018-10-30 | 2019-01-15 | 瞿德阳 | A kind of electric screw transmission curtain rod arm |
| CN110464187B (en) * | 2019-08-01 | 2020-11-03 | 珠海格力电器股份有限公司 | Initiative slider subassembly and electronic (window) curtain that opens and shuts |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693137Y (en) * | 2004-04-28 | 2005-04-20 | 陈卫平 | Hand operated, electric curtain machine |
| CN201015526Y (en) * | 2007-02-06 | 2008-02-06 | 席巧 | Electric manual integrated controlling gear for door and window curtains |
| WO2008119247A1 (en) * | 2007-03-30 | 2008-10-09 | Zheng Liming | Blind switchable driven manually or electrically |
| CN201171640Y (en) * | 2007-12-26 | 2008-12-31 | 殷平生 | Manual, electric drive double-function curtain machine |
| CN202760951U (en) * | 2012-07-09 | 2013-03-06 | 吴巧娟 | Power-driven screw drive curtain frame manual drawing device |
-
2012
- 2012-07-09 CN CN201210236429.1A patent/CN102727064B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693137Y (en) * | 2004-04-28 | 2005-04-20 | 陈卫平 | Hand operated, electric curtain machine |
| CN201015526Y (en) * | 2007-02-06 | 2008-02-06 | 席巧 | Electric manual integrated controlling gear for door and window curtains |
| WO2008119247A1 (en) * | 2007-03-30 | 2008-10-09 | Zheng Liming | Blind switchable driven manually or electrically |
| CN201171640Y (en) * | 2007-12-26 | 2008-12-31 | 殷平生 | Manual, electric drive double-function curtain machine |
| CN202760951U (en) * | 2012-07-09 | 2013-03-06 | 吴巧娟 | Power-driven screw drive curtain frame manual drawing device |
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| Publication number | Publication date |
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| CN102727064A (en) | 2012-10-17 |
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Granted publication date: 20140625 Termination date: 20180709 |