CN202760951U - Power-driven screw drive curtain frame manual drawing device - Google Patents
Power-driven screw drive curtain frame manual drawing device Download PDFInfo
- Publication number
- CN202760951U CN202760951U CN 201220329418 CN201220329418U CN202760951U CN 202760951 U CN202760951 U CN 202760951U CN 201220329418 CN201220329418 CN 201220329418 CN 201220329418 U CN201220329418 U CN 201220329418U CN 202760951 U CN202760951 U CN 202760951U
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- Prior art keywords
- connecting rod
- clutch
- guide seat
- screw transmission
- rod
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- Expired - Lifetime
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Abstract
The utility model relates to a power-driven screw drive curtain frame manual drawing device. The power-driven screw drive curtain frame manual drawing device comprises a connecting rod used for hanging curtain cloth and a guiding seat connected with the connecting rod, a guiding sleeve is arranged on the guiding seat, and a part of spiral steel wires are sleeved inside the guiding sleeve. The power-driven screw drive curtain frame manual drawing device is characterized in that a punch hole is formed in the guiding sleeve, a clutch assembly capable of automatically returning is arranged inside the punch hole, one end of the clutch assembly is connected with a rotating bearing and clamped on a spiral joint of the spiral steel wires, the other end of the clutch assembly is connected with the connecting rod, and therefore the rotating bearing can be separated from the spiral joint of the spiral steel wires under the condition that the connecting rod is drawn downwards by external force and the clutch assembly returns automatically so that the rotating bearing returns and is blocked in the spiral joint of the spiral steel wires when the external force exerted on the connecting rod disappears. Compared with the prior art, the power-driven screw drive curtain frame manual drawing device has the advantages that a whole piece of curtain cloth can be driven to move when people draw the curtain directly with hand.
Description
Technical field
The utility model relates to a kind of curtain rod arm that rotates to realize the curtain switching by motorized motions one worm drive part, particularly relates 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 the curtain rod slidably, and at certain intervals the distance by bolt on looped pull straps, during draw-back curtain, with hand or by 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 a single day the ring-type stay cord assembles and completely 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 being sliding friction between curtain ring and its curtain rod that wears, and the weight of casement all is converted to relative pressure between curtain ring and the curtain rod by curtain ring, according to the computing formula f=N of frictional force * u (wherein N is that relative pressure, u are coefficient of friction), therefore the frictional force between curtain ring and the curtain rod is larger, in use shows as required pulling force greatly and larger noise is arranged.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, driving wear thereon draw ring nut or curtain ring move left and right, be that 86209502 Chinese utility model patent " screw type automatic device of window curtain opening-closing " and the patent No. are that 90224991.6 Chinese utility model patent " spiral window curtain holder " is exactly this design such as the patent No., because easily brachymemma of screw rod, therefore can be fitted to easily on the window of different in width, 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, the total weight that also 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, and therefore screw rod might be out of shape, and further impact is used; And in the former scheme, curtain ring is set on the polished rod, and the ring nut is drawn in one connection one on first curtain ring, and with this draw the 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 the 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; Yet at this two 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 larger, and noise is also larger 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, authorize publication number just to provide a kind of new spiral window curtain holder for the Chinese invention patent application of CN1140216C, this spiral window curtain holder, include spiral wire, the 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 drive rotation by the driving mechanism in its two end bearing; Be provided with on the described slide bar a plurality of that can move along slide bar, be used for the fixedly rings seat of Window curtain ring, and be provided with at least 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 also be provided with a guiding cover on the described guide seat, the spiral wire local sleeve that this guiding cover is corresponding therein.Because the weight suspension ring of curtain act on the slide bar, suspension ring drive with relative screw between the spiral wire relative to moving then by the needle roller on the guide seat of slide bar, thereby transmission and load-bearing are separated, even spiral wire slightly has distortion also not affect use; And owing to being 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, 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 said structure is arranged, and when outage or electrical fault occurring, then needs manually to spur curtain, does not then possess this function in the prior art.
The utility model content
Technical problem to be solved in the utility model 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 for above-mentioned prior art.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this electric screw transmission curtain rod arm hand traction device, electric screw transmission curtain rod arm hand traction device, comprise for the connecting rod that hangs casement, the guide seat that is connected with connecting rod, be provided with the guiding cover on the guide seat, the local sleeve of spiral wire is located in the described guiding cover, it is characterized in that: described guiding puts and is provided with perforation, be provided with the automatically reset clutch pack of energy in this perforation, one end of described clutch pack links to each other with rolling bearing, and be stuck on the spiral segment of described spiral wire, the other end of described clutch pack links to each other with described connecting rod, and then in the situation that there is external force to spur the spiral segment that the described rolling bearing of connecting rod can break away from described spiral wire downwards, thereby clutch pack can automatically reset and described rolling bearing replied be stuck on the spiral segment of described spiral wire when being applied to simultaneously external force on the connecting rod and disappearing.
As improvement, described clutch pack comprises:
Clutch base, this clutch base are fixed on the described guide seat;
Clutch pull rod runs through clutch base, and can move up and down in clutch base;
The clutch compression elastic piece is arranged in the clutch base, is set in outside the 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 links to each other with described connecting rod.
Be connected by a transition draw ring between the bottom of described clutch pull rod and the described connecting rod, because the process that external force pulling connecting rod moves down often is not to be in line to move down fully, connecting rod has certain angle to be changed, clutch pull rod can produce certain transverse component and swing in folding process like this, thereby make clutch pull rod decline and rise not smooth, increase fine the addressing this problem of transition draw ring energy, because when the transition draw ring connects clutch pull rod and connecting rod, the rotation than wide-angle can be formed, thereby above-mentioned obstacle can be eliminated.
Described connecting rod is rotatably connected on the described guide seat, and described connecting rod is divided into the first company headquarters and the second company headquarters take run-on point as the 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, be provided with the adjusting extension spring between the first company headquarters of described connecting rod and the described guide seat, this end of regulating extension spring links to each other with described the first company headquarters, and the other end of described adjusting extension spring links to each other with described guide seat.Because curtain is furnished with dividing 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 sometimes satisfy some difficulty of casement of all weights fully by the clutch compression elastic piece, so clutch pack reaches reset mode fully after reaching hand and unclamp casement with the adjusting extension spring, regulates extension spring and can change size and accelerate to satisfy actual requirement.
Be provided with balance rollers in described the second company headquarters, connecting rod rotates along traction seat and makes the whole discontinuity of draw-gear when pulling casement, thereby certain inclination made and pulls that mobile to produce certain obstacle not smooth before and after draw-gear can produce, after increasing balance rollers, balance rollers 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 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 all are connected with an end of described clutch pack.Two groups of connecting rods are set make it in the clutch pack bilateral symmetry, when spurring 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 smooth and 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 provided with soft material for a plurality of in the slot, such as wool top, rubber strip, flannelette etc., can prevent from swinging and capable of reducing friction resistance, make operational effect better.
Described connecting rod arranged outside has the reinforcement shell, when pulling casement and make the stressed rotation of connecting rod, the pulling force that railing is subject to can be indefinite because of the strength size of artificial pulling, in order to guarantee to move reliably and with long-term, needing to strengthen the deformation intensity of whole connecting rod, strengthen shell in the connecting rod arranged outside, is whole with screw and draw-gear connection, strengthen the intensity of whole electric and hand draw-gear, also make profile more attractive in appearance simultaneously.
Be provided with the Magnetic Induction magnet steel on the described guide seat, in the draw-gear moving process, play the effect of position signalling, when through the Magnetic Induction device (such as Hall element, tongue tube) installed on the track, the signal of draw-gear will be passed on away.
Compared with prior art, the utility model has the advantage of: 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 among the utility model embodiment one;
Fig. 2 is the perspective view at another visual angle of electric screw transmission curtain rod arm hand traction device among the utility model embodiment one;
Fig. 3 is the perspective view of clutch pack among the utility model embodiment one;
Fig. 4 is for using the electric screw transmission curtain rod arm perspective view (the hand traction device does not arrange and strengthens shell) that hand traction device among the utility model embodiment 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 among the utility model embodiment one is arranged;
Fig. 6 is for using the electric screw transmission curtain rod arm perspective view that hand traction device among the utility model embodiment two is arranged;
Fig. 7 is for using another visual angle electric screw transmission curtain rod arm perspective view that hand traction device among the utility model embodiment two is arranged;
Fig. 8 is for using another visual angle electric screw transmission curtain rod arm front view that hand traction device among the utility model embodiment two is arranged.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one
Such as Fig. 1, electric screw transmission curtain rod arm hand traction device shown in 2, it comprises for the connecting rod 1 that hangs casement, the guide seat 2 that is connected with connecting rod 1, connecting rod 1 is rotatably connected on the 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 the boundary, the first company headquarters 11 is used for hanging casement, be provided with guiding cover 3 on the guide seat 2, the local sleeve of spiral wire 4 is located in the described guiding cover 3, be provided with perforation 31 on the described guiding cover 3, be provided with the automatically reset clutch pack 5 of energy in this perforation 31, one end of described clutch pack 5 links to each other with rolling bearing 6, and be stuck on the spiral segment of spiral wire 4, the other end of described clutch pack 5 links to each other with the first company headquarters 11 of described connecting rod 1, and then in the situation that there is external force to spur the spiral segment that connecting rod 1 described rolling bearing 6 can break away from described spiral wire 4 downwards, clutch pack 5 automatically resets described rolling bearing 6 answers is stuck on the spiral segment of described spiral wire 4 when being applied to simultaneously the external force disappearance on the connecting rod 1, 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 described guide seat 2;
Clutch pull rod 52 runs through clutch base, and can move up and down in clutch base;
Clutch Compress Spring 53 is arranged in the clutch base 51, is set in outside the 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 links to each other with described connecting rod 1, referring to shown in Figure 3.Be connected by a transition draw ring 10 between the bottom of described clutch pull rod 52 and the described connecting rod.
Be provided with between the first company headquarters 11 of described connecting rod 1 and the described guide seat 2 and regulate extension spring 9, this end of regulating extension spring 9 links to each other with described the first company headquarters 11, and the other end of described adjusting extension spring 9 links to each other with described guide seat 2.
Be provided with balance rollers 8 in described second company headquarters 12 of described connecting rod 1.
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 the slot 21.Also be provided with magnet steel 14 on the described guide seat.
Described connecting rod 1 arranged outside has the shell 13 of reinforcement, referring to shown in Figure 5.
The downside and the close track lower limb that get on the right track at hitch frame are provided with auxiliary wheel 14, effect is to make connecting rod rotate the initial stage when pulling casement, prevent that whole draw-gear from having large inclination, can be more easily with smooth, referring to Fig. 1 and shown in Figure 4 in manual the 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 Figure 5, motor output shaft drives spiral wire and rotates, 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 rotates, spiral wire 4 contacts with rolling bearing 6 and promotes rolling bearing 6 and rotates, the rolling bearing 6 that rotates 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 that hangs casement has downward pulling force, thereby make 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, 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, pull the open and close function thereby finish, when hand unclamped casement, clutch linkage automatically reset by the Compress Spring 53 in the clutch, can return to motoring condition again.
Embodiment two
Different from embodiment one is, 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 all are connected with an end of described clutch pack, shown in Fig. 6,7,8.
Claims (10)
1. electric screw transmission curtain rod arm hand traction device, comprise for the connecting rod that hangs casement, the guide seat that is connected with connecting rod, be provided with the guiding cover on the guide seat, the local sleeve of spiral wire is located in the described guiding cover, it is characterized in that: described guiding puts and is provided with perforation, be provided with the automatically reset clutch pack of energy in this perforation, one end of described clutch pack links to each other with rolling bearing, and be stuck on the spiral segment of described spiral wire, the other end of described clutch pack links to each other with described connecting rod, and then in the situation that there is external force to spur the spiral segment that the described rolling bearing of connecting rod can break away from described spiral wire downwards, clutch pack automatically resets and described rolling bearing is replied be stuck on the spiral segment of described spiral wire when being applied to simultaneously external force on the connecting rod and disappearing.
2. electric screw transmission curtain rod arm hand traction device according to claim 1, it is characterized in that: described clutch pack comprises:
Clutch base, this clutch base are fixed on the described guide seat;
Clutch pull rod runs through clutch base, and can move up and down in clutch base;
The clutch compression elastic piece is arranged in the clutch base, is set in outside the 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 links to each other with described connecting rod.
3. electric screw transmission curtain rod arm hand traction device according to claim 1 is characterized in that: be connected by a transition draw ring between the bottom of described clutch pull rod and the described connecting rod.
4. according to claim 1 and 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: described connecting rod is rotatably connected on the described guide seat, described connecting rod is divided into the first company headquarters and the second company headquarters take run-on point as the 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: be provided with the adjusting extension spring between the first company headquarters of described connecting rod and the described guide seat, this end of regulating extension spring links to each other with described the first company headquarters, and the other end of described adjusting extension spring links to each other with described guide seat.
6. electric screw transmission curtain rod arm hand traction device according to claim 4 is characterized in that: be provided with balance rollers in described the second company headquarters.
7. according to claim 1 and 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: described connecting rod is provided with two groups, is symmetricly set on described guide seat both sides, and two groups of connecting rods all are connected with an end of described clutch pack.
8. according to claim 1 and 2 or 3 described electric screw transmission curtain rod arm hand traction devices, 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 the slot.
9. according to claim 1 and 2 or 3 described electric screw transmission curtain rod arm hand traction devices, it is characterized in that: described connecting rod arranged outside has the reinforcement shell.
10. it is characterized in that according to claim 1 and 2 or 3 described electric screw transmission curtain rod arm hand traction devices: the downside that hitch frame gets on the right track also is provided with auxiliary wheel near the track lower limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329418 CN202760951U (en) | 2012-07-09 | 2012-07-09 | Power-driven screw drive curtain frame manual drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329418 CN202760951U (en) | 2012-07-09 | 2012-07-09 | Power-driven screw drive curtain frame manual drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202760951U true CN202760951U (en) | 2013-03-06 |
Family
ID=47767567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329418 Expired - Lifetime CN202760951U (en) | 2012-07-09 | 2012-07-09 | Power-driven screw drive curtain frame manual drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202760951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727064A (en) * | 2012-07-09 | 2012-10-17 | 吴巧娟 | Electric screw-driven manual traction device for curtain frame |
-
2012
- 2012-07-09 CN CN 201220329418 patent/CN202760951U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727064A (en) * | 2012-07-09 | 2012-10-17 | 吴巧娟 | Electric screw-driven manual traction device for curtain frame |
| CN102727064B (en) * | 2012-07-09 | 2014-06-25 | 吴巧娟 | Electric screw-driven manual traction device for curtain frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |