CN102727064A - Electric screw-driven manual traction device for curtain frame - Google Patents

Electric screw-driven manual traction device for curtain frame Download PDF

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Publication number
CN102727064A
CN102727064A CN2012102364291A CN201210236429A CN102727064A CN 102727064 A CN102727064 A CN 102727064A CN 2012102364291 A CN2012102364291 A CN 2012102364291A CN 201210236429 A CN201210236429 A CN 201210236429A CN 102727064 A CN102727064 A CN 102727064A
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clutch
connecting rod
electric screw
guide seat
rod
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CN2012102364291A
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Chinese (zh)
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CN102727064B (en
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瞿德阳
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吴巧娟
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Priority to CN201210236429.1A priority Critical patent/CN102727064B/en
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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

A kind of electric screw transmission curtain rod arm hand traction device
Technical field
The present invention relates to a kind ofly rotate the curtain rod arm of realizing that curtain opens and closes, particularly relate to a kind of electric screw transmission curtain rod arm hand traction device through motorized motions one worm drive part.
Background technology
Traditional curtain opening and closing device adopts dragline type more, promptly curtain ring at certain intervals the distance be set on the curtain rod slidably, and at certain intervals the distance by bolt on looped pull straps; During draw-back curtain; With hand or through motor pulling stay cord, the curtain ring that is fixed on the stay cord is scattered and the space certain distance one by one, thereby make casement be the expansion shape; Otherwise, oppositely spur stay cord casement drawn in.Because in case ring-type stay cord assembled just can't change its length, therefore for the window of non-standard width, as to install this can only the dragline type curtain rod arm, just must prior " customized "; On the other hand; Owing to be sliding friction between the curtain rod that curtain ring and its wore; And the weight of casement all converts the relative pressure between curtain ring and the curtain rod into through curtain ring; According to calculation of Friction formula f=N * u (wherein N is that relative pressure, u are coefficient of friction), so the frictional force between curtain ring and the curtain rod is bigger, and it is big and bigger noise arranged in use to show as required pulling force.To the problems referred to above, a kind of screw curtain rod arm is devised, and it is through the positive and negative rotation of screw rod; Driving wear above that draw ring nut or curtain ring move left and right, be that 86209502 the Chinese utility model patent " spiral automatic shutter window shade arrangement " and the patent No. are that 90224991.6 Chinese utility model patent " spiral window curtain holder " is exactly this design like the patent No., because screw rod brachymemma easily; Therefore can be fitted on the window of different in width easily; But still there are some defectives in they: wherein in the latter's the scheme, all curtain rings all directly are set on the screw rod, also are that the total weight of casement bears by this screw rod; Therefore the required rotary driving force of this screw rod is bigger; And service time one is long, and therefore screw rod might be out of shape, and further influence is used; And in the former scheme; Curtain ring is set on the polished rod; And one connects one and draws the ring nut on first curtain ring, and this is drawn the ring nut wears and be screwed onto on the screw rod parallel with polished rod, and this design is owing to be provided with the screw rod of gearing respectively and played the polished rod of load-bearing effect; The weight major part of casement is born by polished rod, thereby reduced the required rotary driving force of screw rod; Yet in these two kinds of schemes, curtain ring or draw ring nut and its and wear between the screw rod that is spirally connected and remain sliding friction, its frictional force is bigger, and noise is also bigger during use.
For a kind of spiral window curtain holder little, that noise is low and transmission and load-bearing are separated that rubs is provided; The mandate publication number is that the Chinese invention patent application of CN1140216C just provides a kind of new spiral window curtain holder; This spiral window curtain holder; Include spiral wire, slide bar that is parallel to each other up and down and the bearing that is positioned at their two ends, described spiral wire shape such as spring but be rigidity, and can rotate by the drive mechanism in its two end bearing; Described slide bar is provided with a plurality of rings seats that can move along slide bar, that be used for fixing Window curtain ring; And be provided with a guide seat at least; 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, and this two needle roller can rotate around they rotating shafts separately, and is stuck on the spiral segment of said spiral wire; And also be provided with a guiding cover on the described guide seat, the local cover of the spiral wire that this guiding cover is corresponding therein.Because the weight suspension ring of curtain act on the slide bar; Suspension ring are driven by the relative screw between needle roller on the guide seat and the spiral wire relative to moving then of slide bar; Thereby transmission and load-bearing are separated, even spiral wire has distortion also not influence use slightly; And owing to be rolling friction between needle roller and the spiral wire, frictional force is minimum, and required driving force is also very little, adds the rolling friction design between rings seat and the slide bar, use very light and handy and noise very little.
The general driving mechanism that drives above-mentioned spiral wire rotation is a motor, uses the spiral window curtain holder that said structure is arranged, and when outage or electrical fault occurring, then needs manually pulling curtain, does not then possess this function in the prior art.
Summary of the invention
Technical problem to be solved by this invention is to provide the direct tractive curtain of a kind of hand just can drive the electric screw transmission curtain rod arm hand traction device that the monoblock casement moves to above-mentioned prior art.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this electric screw transmission curtain rod arm hand traction device; Electric screw transmission curtain rod arm hand traction device; Comprise the connecting rod that is used to hang casement; The guide seat that is connected with connecting rod, guide seat are provided with the guiding cover, and the part of spiral wire is set in the said guiding cover; It is characterized in that: said guiding cover is provided with perforation; Be provided with the automatically reset clutch pack of ability in this perforation, an end of said clutch pack links to each other with rolling bearing and is stuck on the spiral segment of said spiral wire, and the other end of said clutch pack links to each other with said connecting rod; And then having external force to spur downwards that said rolling bearing can break away from the spiral segment of said spiral wire under the situation of connecting rod, thereby clutch pack can automatically reset and said rolling bearing replied be stuck on the spiral segment of said spiral wire when being applied to external force on the connecting rod simultaneously and disappearing.
As improvement, said clutch pack comprises:
Clutch base, this clutch base are fixed on the said guide seat;
Clutch pull rod runs through clutch base, and can in clutch base, move up and down;
The clutch compression elastic piece is arranged in the clutch base, is set in outside the clutch pull rod;
Said rolling bearing is arranged on said clutch pull rod top, also can rotates around clutch pull rod, and the bottom of said clutch pull rod links to each other with said connecting rod.
Be connected through a transition draw ring between the bottom of said clutch pull rod and the said connecting rod; Because the process that external force pulling connecting rod moves down often is not to be in line fully to move down; Connecting rod has certain angle to be changed, and clutch pull rod can produce certain transverse component and swing in folding process like this, thereby makes clutch pull rod decline and rise not smooth; Increase fine the addressing this problem of transition draw ring ability; Because when the transition draw ring connects clutch pull rod and connecting rod, can form rotation, thereby can eliminate above-mentioned obstacle than wide-angle.
Said connecting rod is rotatably connected on the said guide seat, and said connecting rod is that the boundary is divided into first company headquarters and second company headquarters with the run-on point, and first company headquarters is used to hang casement, and said clutch pack is connected with said first company headquarters.
As improvement, be provided with the adjusting extension spring between first company headquarters of said connecting rod and the said guide seat, this end of regulating extension spring links to each other with said first company headquarters, and the other end of said adjusting extension spring links to each other with said guide seat.Because curtain is furnished with the branch of height and weight; And clutch pack will reach reset mode fully; Need to rely on the restoring force of clutch compression elastic piece; But lean on the clutch compression elastic piece to satisfy some difficulty of casement of all weights sometimes fully,, regulate extension spring and can change size and accelerate and satisfy actual requirement so clutch pack reaches reset mode fully after reaching the openhanded cord of windowing with the adjusting extension spring.
Said second company headquarters is provided with the balance roller, and connecting rod rotates along traction seat and makes the whole discontinuity of draw-gear when pulling casement, thus draw-gear can produce before and after certain inclination make to pull and move that to produce certain obstacle not smooth; After increasing the balance roller; The balance roller upwards rises when connecting rod rotates, and withstands curtain rod arm or track, plays a point action; Thereby make draw-gear integral body parallel, thus make pull move more smooth.
Said connecting rod is provided with two groups, is symmetricly set on said guide seat both sides, and two groups of connecting rods all are connected with an end of said clutch pack.Two groups of connecting rods are set make it, when the pulling casement, can produce relative parallel after all pulling force like this, reduce the inclined degree of draw-gear, thereby make moving of draw-gear relatively smooth and light in the clutch pack bilateral symmetry.
The two sides of said guide seat are provided with and prevent guide seat slot to the both sides swing in running; The quantity of slot can be provided with soft material for a plurality of in the slot, like wool top, rubber strip, flannelette or the like; Can prevent to swing the resistance of reducing friction again, make operational effect better.
Said connecting rod arranged outside has the reinforcement shell, and when pulling casement when making the stressed rotation of connecting rod, the pulling force that railing receives can be big or small indefinite because of the strength of artificial pulling; In order to guarantee to move reliably and with long-term; Need to strengthen the deformation intensity of whole connecting rod, strengthen shell, use screw and draw-gear to join and be integral body in the connecting rod arranged outside; Strengthen the intensity of whole electric and hand draw-gear, also make profile more attractive in appearance simultaneously.
Said guide seat is provided with the Magnetic Induction magnet steel, in the draw-gear moving process, plays the effect of position signalling, when through the Magnetic Induction device (like Hall element, tongue tube) installed on the track, will the signal of draw-gear be passed on away.
Compared with prior art, the invention has the advantages that: can realize that the direct tractive curtain of hand just can drive the monoblock casement and move.
Description of drawings
Fig. 1 is the perspective view of electric screw transmission curtain rod arm hand traction device in the embodiment of the 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 invention one;
Fig. 3 is the perspective view of clutch pack in the embodiment of the invention one;
Fig. 4 is for using the electric screw transmission curtain rod arm perspective view (the hand traction device is not provided with and strengthens shell) that hand traction device in the embodiment of the invention one is arranged outward;
Fig. 5 is for using the electric screw transmission curtain rod arm perspective view (the hand traction device is outside equipped with and strengthens shell) that hand traction device in the embodiment of the invention one is arranged;
Fig. 6 is for using the electric screw transmission curtain rod arm perspective view that hand traction device in the embodiment of the invention two is arranged;
Fig. 7 is for using another visual angle electric screw transmission curtain rod arm perspective view that hand traction device in the embodiment of the invention two is arranged;
Fig. 8 is for using another visual angle electric screw transmission curtain rod arm front view that hand traction device in the embodiment of the invention two is arranged.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one
Like Fig. 1, the electric screw transmission curtain rod arm hand traction device shown in 2; It comprises the connecting rod 1 that is used to hang casement; The guide seat 2 that is connected with connecting rod 1, connecting rod 1 is rotatably connected on the said guide seat 2 through bearing pin 7, and said connecting rod is that the boundary is divided into first company headquarters 11 and second company headquarters 12 with the run-on point; First company headquarters 11 is used to hang casement; Guide seat 2 is provided with guiding cover 3, and the part of spiral wire 4 is set in the said guiding cover 3, and said guiding cover 3 is provided with perforation 31; Be provided with the automatically reset clutch pack 5 of ability in this perforation 31; One end of said clutch pack 5 links to each other with rolling bearing 6 and is stuck on the spiral segment of spiral wire 4, and the other end of said clutch pack 5 links to each other with first company headquarters 11 of said connecting rod 1, and then is having external force to spur the spiral segment that said rolling bearing 6 under the situation of connecting rod 1 can break away from said spiral wire 4 downwards; Clutch pack 5 automatically resets said rolling bearing 6 answers is stuck on the spiral segment of said spiral wire 4 when being applied to the external force disappearance on the connecting rod 1 simultaneously, referring to shown in Figure 4.
In the present embodiment, clutch pack 5 comprises:
Clutch base 51, this clutch base 51 are fixed on the said guide seat 2;
Clutch pull rod 52 runs through clutch base, and can in clutch base, move up and down;
Clutch compression spring 53 is arranged in the clutch base 51, is set in outside the clutch pull rod 52;
Said rolling bearing 6 is arranged on said clutch pull rod 52 tops, also can rotates around clutch pull rod 52, and the bottom of said clutch pull rod 52 links to each other with said connecting rod 1, referring to shown in Figure 3.Be connected through a transition draw ring 10 between the bottom of said clutch pull rod 52 and the said connecting rod.
Be provided with between first company headquarters 11 of said connecting rod 1 and the said guide seat 2 and regulate extension spring 9, this end of regulating extension spring 9 links to each other with said first company headquarters 11, and the other end of said adjusting extension spring 9 links to each other with said guide seat 2.
Said second company headquarters 12 of said connecting rod 1 is provided with balance roller 8.
The two sides of said guide seat 2 are provided with and prevent guide seat 2 slot 21 to the both sides swing in running, are provided with soft material in the slot 21.Also be provided with magnet steel 14 on the said guide seat.
Said connecting rod 1 arranged outside has the shell 13 of reinforcement, referring to shown in Figure 5.
The downside that gets on the right track at hitch frame also is provided with auxiliary wheel 14 near the track lower limb; Effect is when pulling casement, to make connecting rod rotate the initial stage; Prevent that whole draw-gear from having big inclination, can be in manual the use more easily with smooth, referring to Fig. 1 and shown in Figure 4.
Application has the electric screw transmission curtain rod arm of the hand traction device that present embodiment provides; Referring to Fig. 4, shown in Figure 5, motor output shaft drives spiral wire and rotates, and the traction casing 3 on the hand traction device is set on the spiral wire 4; The rolling bearing 6 that is connected with clutch pack passes traction casing and is stuck on the spiral segment of spiral wire 4; When spiral wire 4 rotated, spiral wire 4 contacted with rolling bearing 6 and promotes rolling bearing 6 and rotates, and the rolling bearing 6 of rotation 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 the draw-gear connecting rod also just can opening and closing.
When pulling casement, the connecting rod 1 of suspension casement has downward pulling force, thereby makes connecting rod 1 along with bearing pin 7 rotates; The transition draw ring 10 that is connected with connecting rod 1 drives clutch pull rod 52 and moves down, and rolling bearing 6 moves down with clutch pull rod 52, thereby rolling bearing 6 breaks away from the spiral segment of spiral wire 4; When holding the casement move left and right; Whole draw-gear just can move left and right, pulls the open and close function thereby accomplish, and windows during cord openhanded; Clutch linkage leans on the compression spring 53 in the clutch to automatically reset, and can return to motoring condition again.
Embodiment two
Different with embodiment one is, said connecting rod is provided with two groups of 1-1,1-2, is symmetricly set on said guide seat 2 both sides, and two groups of connecting rods all are connected with an end of said clutch pack, referring to Fig. 6,7, shown in 8.

Claims (10)

1. electric screw transmission curtain rod arm hand traction device; Comprise the connecting rod that is used to hang casement; The guide seat that is connected with connecting rod, guide seat are provided with the guiding cover, and the part of spiral wire is set in the said guiding cover; It is characterized in that: said guiding cover is provided with perforation; Be provided with the automatically reset clutch pack of ability in this perforation, an end of said clutch pack links to each other with rolling bearing and is stuck on the spiral segment of said spiral wire, and the other end of said clutch pack links to each other with said connecting rod; And then having external force to spur the spiral segment that said rolling bearing under the situation of connecting rod can break away from said spiral wire downwards, clutch pack automatically resets and said rolling bearing is replied be stuck on the spiral segment of said spiral wire when being applied to external force on the connecting rod simultaneously and disappearing.
2. electric screw transmission curtain rod arm hand traction device according to claim 1, it is characterized in that: said clutch pack comprises:
Clutch base, this clutch base are fixed on the said guide seat;
Clutch pull rod runs through clutch base, and can in clutch base, move up and down;
The clutch compression elastic piece is arranged in the clutch base, is set in outside the clutch pull rod;
Said rolling bearing is arranged on said clutch pull rod top, also can rotates around clutch pull rod, and the bottom of said clutch pull rod links to each other with said connecting rod.
3. electric screw transmission curtain rod arm hand traction device according to claim 1 is characterized in that: be connected through a transition draw ring between the bottom of said clutch pull rod and the said connecting rod.
4. according to claim 1 or 2 or 3 described electric screw transmission curtain rod arm hand traction devices; It is characterized in that: said connecting rod is rotatably connected on the said guide seat; Said connecting rod is that the boundary is divided into first company headquarters and second company headquarters with the run-on point; First company headquarters is used to hang casement, and said clutch pack is connected with said first company headquarters.
5. electric screw transmission curtain rod arm hand traction device according to claim 4; It is characterized in that: be provided with the adjusting extension spring between first company headquarters of said connecting rod and the said guide seat; This end of regulating extension spring links to each other with said first company headquarters, and the other end of said adjusting extension spring links to each other with said guide seat.
6. electric screw transmission curtain rod arm hand traction device according to claim 4, it is characterized in that: said second company headquarters is provided with the balance roller.
7. according to claim 1 or 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: said connecting rod is provided with two groups, is symmetricly set on said guide seat both sides, and two groups of connecting rods all are connected with an end of said clutch pack.
8. according to claim 1 or 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: the two sides of said guide seat are provided with and prevent guide seat slot to the both sides swing in running, are provided with soft material in the slot.
9. according to claim 1 or 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: said connecting rod arranged outside has the reinforcement shell.
10. according to claim 1 or 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: the downside that hitch frame gets on the right track also is provided with auxiliary wheel near the track lower limb.
CN201210236429.1A 2012-07-09 2012-07-09 Electric screw-driven manual traction device for curtain frame Expired - Fee Related CN102727064B (en)

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

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CN102727064A true CN102727064A (en) 2012-10-17
CN102727064B CN102727064B (en) 2014-06-25

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN110464187A (en) * 2019-08-01 2019-11-19 珠海格力电器股份有限公司 A kind of active sliding block component and electric folding curtain

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN110464187A (en) * 2019-08-01 2019-11-19 珠海格力电器股份有限公司 A kind of active sliding block component and electric folding curtain
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

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