CN106320954B - A kind of shutter screw rod ropewinder of anti-rope from winding - Google Patents
A kind of shutter screw rod ropewinder of anti-rope from winding Download PDFInfo
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- CN106320954B CN106320954B CN201610799761.7A CN201610799761A CN106320954B CN 106320954 B CN106320954 B CN 106320954B CN 201610799761 A CN201610799761 A CN 201610799761A CN 106320954 B CN106320954 B CN 106320954B
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- ropewinder
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- 238000004804 winding Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 241000237509 Patinopecten sp. Species 0.000 claims description 11
- 235000020637 scallop Nutrition 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
A kind of shutter screw rod ropewinder the invention discloses anti-rope from winding, in shutter head track, this shutter screw rod ropewinder includes nut guide cylinder, screw rod, rope drum and base, nut guide cylinder is slidably connected on base and circumferentially fixed, screw rod is rotatably connected on base and is threadedly coupled with nut guide cylinder, rope drum is rotatably sleeved on screw rod and stroke angle transmission connecting structure is provided between rope drum and screw rod, the termination of a shutter hoisting rope is fixed on rope drum, shutter hoisting rope, which is worn, to be connected on nut guide cylinder, nut guide cylinder is rotatably sleeved in outside rope drum, rope drum locking structure is provided between nut guide cylinder and rope drum.The present invention can effectively prevent the problems such as locked shutter screw rod ropewinder that shutter hoisting rope occurs to wind and thus trigger certainly, failure.
Description
Technical field
The present invention relates to a kind of shutter operation device, more specifically, it relates to a kind of shutter of anti-rope from winding
Screw rod ropewinder.
Background technology
Ropewinder for the lifting of shutter bottom rail is varied, be able to will typically be rolled up according to the transverse shape of hoisting rope
Rope device is divided into two major classes, and one kind uses rolling wheel to wind hoisting rope of the cross section for rectangle, another kind of using major axis, screw rod or spiral shell
Mother sleeve winds cross section as circular hoisting rope.Publication No. CN2769468Y, CN2787810Y, CN201153841Y,
CN201180480Y, CN201299413Y serial Chinese patent disclose the popular major axis serving without axial movement of in the market
Device, this kind of ropewinder is simple in construction, and one end of hoisting rope passes perpendicularly through ropewinder base and makees a level through a guide pin
Turn to and be fixed on one end of rotation major axis, the other end and the bottom rail vertical connection of hoisting rope, rotation major axis can be cylinders
Can also be taper, when driving major axis rotates, hoisting rope is by constantly on major axis simultaneously toward the length of fixed hoisting rope one end
Shaft end direction axial slip, when bottom rail constantly rises, and the louvre blade quantity that it holds up is more and more, weight is increasing,
The hoisting rope and the frictional force of major axis wound on the major axis of ropewinder is also increasing, causes the hoisting rope on major axis
The speed that slides axially is slower and slower, so as to which hoisting rope self-winding phenomenon occur, causes bottom rail and its support during shutter gathering
The louvre blade both ends risen are uneven or even ropewinder is stuck.In order to overcome this defect, US2008/0251624A1 is disclosed
A kind of improved technical scheme, i.e., an axial dovetail groove is set on rotation major axis surface and matched cunning is installed
Block, the hoisting rope one end for being fixed on rotation major axis end is changed to be fixed on this sliding block, grown in hoisting rope wound on rotation
The extruding sliding block of winding part during axle by hoisting rope on rotation major axis constantly slides axially, to concede
Space come ensure hoisting rope in order wound on rotation major axis on, still, this technical scheme does not eliminate hoisting rope wound on length
Force of sliding friction on axle, thus can not also solve original technological deficiency；It is the defects of in order to thoroughly overcome above-mentioned ropewinder, public
The number of opening be CN2528912Y, CN2538232Y, CN2788693Y, WO2006050736A1, US20070169898A1,
The China and foreign countries such as GB2423785A patent discloses a kind of screw rod ropewinder, and screw rod drives backspin in rotating shaft under the constraint of fixing nut
Turn and be in axial sliding in rotating shaft, one end is fixed on hoisting rope on screw rod successively in an orderly manner on screw flight or light
On axle, however, this screw rod ropewinder also has a defect, the gravity that hoisting rope is born during blind blades gathering is got over
Come it is bigger, so as to cause the force of sliding friction of screw rod and drive shaft increasing and voluntarily locked, it means that this screw rod volume
Rope device is not used to the lifting of the blind of large area；In order to overcome this defect of screw rod ropewinder, CN103388445B public affairs
A kind of screw rod ropewinder has been driven, will rotate and the screw rod of axial movement is changed to the screw rod that can only be rotated in situ, and will be with screw rod
The fixing nut of cooperation is changed to the sliding nut being axially movable, and hoisting rope turns to bearing pin around the bottom of sliding nut and fixed
In one end of screw rod, when rotating shaft drives screw rod rotation, sliding nut axially moves under the driving of screw rod, so as to pass through cunning
The steering bearing pin of dynamic nut bottom drives hoisting rope in an orderly manner on screw flight, and this screw rod ropewinder also has one
Defect, the hoisting rope on screw flight lose Action of Gravity Field when being placed on ground when bottom rail holds up or installed unintentionally
And it is at random to cause winding part hoisting rope on screw flight to relax so that nut with it is loose in screw flight engagement process
The hoisting rope at random that relaxes is stuck, is locked in addition, easily being extruded when nut moves axially the both ends of screw rod with the bearing at screw rod both ends
Extremely；All above-mentioned ropewinders all exist one it is common the defects of, i.e., after ropewinder discharges hoisting rope, be wound onto serving bar or
That section of hoisting rope on screw rod easily slides outside the end of serving bar or screw rod or seam crossing, causes lifted again
Ropewinder occurs during blind to be stuck the phenomenon of failure.
The content of the invention
Existing shutter screw rod ropewinder has hoisting rope to be caused to occur two in bottom rail lifting process from winding defect
The defects of holding rugged phenomenon or even the failure of screw rod ropewinder, or the frictional force mistake of power transmission shaft of the screw rod with driving its rotation
Cause screw rod ropewinder locked greatly, or with nut deadlock phenomenon occurs at limit of sports record position for screw rod, also hoisting rope exists
It is also easy to depart from screw thread during relaxation and at random on screw rod, so as to cause screw rod and nut that deadlock phenomenon, or lifting occurs
Restrict and fall when screw rod and nut are in extreme position in the seam of screw rod and base bearing, to overcome these defects, the present invention
Provide a kind of screw rod ropewinder of shutter of anti-rope from winding.
The technical scheme is that：The shutter screw rod ropewinder that a kind of anti-rope is wound certainly, in shutter head track,
This shutter screw rod ropewinder includes nut guide cylinder, screw rod, rope drum and base, and nut guide cylinder is slidably connected on base
And it is circumferentially fixed, screw rod is rotatably connected on base and is threadedly coupled with nut guide cylinder, and rope drum is rotatably sleeved in spiral shell
Stroke angle transmission connecting structure is provided with bar and between rope drum and screw rod, the termination of a shutter hoisting rope is fixed on rope drum,
Shutter hoisting rope, which is worn, to be connected on nut guide cylinder, and nut guide cylinder is rotatably sleeved in outside rope drum, nut guide cylinder with
Rope drum locking structure is provided between rope drum.Have relative rotation between screw rod and rope drum, but can only restricted rotational movement, turn over certain
After stroke angle, drive connection is changed into by rotation connection between screw rod and rope drum, screw rod will drive rope drum rotating Vortex together,
In screw rod precession nut guide cylinder, will be placed in the rope drum on screw rod also therewith enter nut guide cylinder in, by screw rod with
The cooperation of nut guide cylinder, simultaneously because being constrained by base, nut guide cylinder can only make axial direction under the driving that screw rod rotates
Slide, under the collective effect of guiding and the rope drum winding of the nut guide cylinder to slide axially, shutter hoisting rope is in an orderly manner
On rope drum, rather than as prior art directly on screw flight, avoid because hoisting rope is wound certainly
And the problems such as screw rod ropewinder fails, be locked occurs.
Preferably, screw rod includes thread segment and smooth section, smooth section both ends be respectively equipped with projection the first support ring and
Second support ring, the first support ring, the second support ring are adapted to rotation connection with rope drum inwall.Pass through the first support ring, second
Support ring and the cooperation of rope drum inwall, can be achieved the rotation connection of screw rod and rope drum.
Preferably, the stroke angle transmission connecting structure includes the strip projection being located in screw rod smooth section and located at volume
On rope roll inwall and the fan-shaped bump that can be abutted with strip projection.When strip projection contacts with fan-shaped bump, screw rod and serving
Drive connection is just changed into by rotation connection between cylinder, makes the moment of torsion of the acceptable screw rod of rope drum by screw drive, is wound
The power of shutter hoisting rope.
Preferably, the rope drum locking structure includes the ratchet slider being located on nut guide cylinder and located at rope drum
The ratchet of port, nut guide cylinder one end bottom are provided with scallop hole, and scallop hole aperture is provided with baffle plate, and ratchet slider is slided and is embedded at
In scallop hole, the inner of ratchet slider is provided with sliding block ratchet, and a compression spring is provided between the outer end of ratchet slider and baffle plate.Serving
Cylinder is nested with nut guide cylinder to be rotatably assorted, and when ratchet slider interferes with ratchet, ratchet slider can prevent rope drum
Rotate.Rope drum is nested with nut guide cylinder, and ratchet slider, which should be arranged on inside nut guide cylinder, to be just more conducive to coordinate knot
The compactedness of structure, therefore, sliding block ratchet is installed additional inside nut guide cylinder by assembly method, not only improves this shutter screw rod
Ropewinder overall structure is more compact, can be more readily processed nut guide cylinder again.Such a rope drum locking structure is simple and easy,
It is easy to process.
Preferably, rope drum port is provided with the end loops of footpath convex, end loops external diameter is fitted with nut guide cylinder internal diameter
Match somebody with somebody.The end loops of rope drum are formed with nut guide cylinder inwall to be separated, and also make it that shutter hoisting rope will not in winding process
It is slipped in screw flight section.
Preferably, pitch is provided with moment of torsion input hole.By setting non-circular moment of torsion input hole, the defeated of matching is equipped with
Enter axle to can be achieved to input the power of screw rod or even this shutter screw rod ropewinder, such a simple for structure, effect is reliable.
Preferably, base both sides are provided with chute, nut guide cylinder both sides are provided with bearing pin, and bearing pin adaptation, which is worn, is connected in chute
In.Pass through the cooperation of bearing pin and chute, it is convenient to realize being slidably connected for nut guide cylinder and base.
Preferably, nut guide cylinder bottom is provided with pedestal external part, pedestal external part is located at nut respectively with scallop hole
Guide cylinder both ends, pedestal external part are provided with open slot and the vertical perforation for accommodating that shutter hoisting rope passes through.Pedestal external part
There is provided passage for shutter hoisting rope enables shutter hoisting rope smoothly inside this shutter screw rod ropewinder along design road
Footpath is laid, and is driven, is guided shutter hoisting rope in order on rope drum.
Preferably, rope drum is provided with the radial direction lacing hole of abatvent hoisting rope termination.Consolidated with radial direction lacing hole
Determine shutter hoisting rope termination, simple and compact for structure, handling ease is easy to use.
Preferably, base both ends are respectively provided with a bearing, bearing is provided with bearing and bearing sheath, bearing and bearing sheath
Connect and fix bearing, screw rod is arranged on bearing by bearing.Bearing provides rotation for screw rod and supported, bearing sheath and branch
Seat connection forms the obstacle for being higher by screw flight, prevents shutter hoisting rope to be slipped in winding process outside base.
The beneficial effects of the invention are as follows：
Effectively prevent shutter hoisting rope from occurring from locked, failure of shutter screw rod ropewinder for winding and thus triggering etc.
Problem.Under the guide effect of the nut guide cylinder to slide axially, shutter hoisting rope is all the time in an orderly manner outside screw rod
On rope drum and no longer on screw flight, separate because the end loops of rope drum are formed with nut guide cylinder inwall,
Again because the other end of rope drum is protected by bearing sheath, shutter hoisting rope will not both be slipped to screw rod in winding process
Thread segment on do not fall off outside base yet so that self-winding phenomenon will not occur on rope drum for shutter hoisting rope；
When shutter hoisting rope completely disengages rope drum, the upper ratchet engagement of ratchet slider and rope drum on nut guide cylinder,
Prevent screw rod is from continuing to rotate, so as to ensure that locked or even damage will not occur with screw rod for nut guide cylinder.
Brief description of the drawings
Fig. 1 is the three-dimensional general assembly drawing of the present invention；
Fig. 2 is the left axonometric exploded view of the present invention；
Fig. 3 is the right axonometric exploded view of the present invention；
Fig. 4 is the base graphics of the present invention；
Fig. 5 for the present invention in shutter hoisting rope all wound on screw rod when three-dimensional part sectioned view；
Fig. 6 is three-dimensional part sectioned view of the present invention when shutter hoisting rope all departs from screw rod.
Embodiment
The invention will be further described for specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in figs. 1 to 6, the screw rod ropewinder of a kind of shutter, in shutter head track, the screw rod ropewinder bag
Include 31,2 bearings 32 of left bearing sheath, baffle plate 331, compression spring 332, ratchet slider 333, nut guide cylinder 34, screw rod 35,
Rope drum 36, right bearing sheath 37 and base 38；The bottom of nut guide cylinder 34 is provided with a pedestal 343, and the one of nut guide cylinder 34
Hold as blind end, which is provided with internal thread hole 342, the pedestal 343 under it is provided with a scallop hole 341, nut guide cylinder 34
The other end is openend, and it has pedestal external part 344, and the middle part of pedestal external part 344, which is provided with, accommodates shutter hoisting rope 7
The open slot 345 passed through and vertical perforation 346, the both sides of pedestal external part 344 are provided with two pins for traversing pedestal external part 344
Hole, bearing pin 347 is equipped with pin-and-hole, wherein a bearing pin is through pulley 349 and is placed in the vertical of pedestal external part 344
In perforation 346；35 1 sections of screw rod is smooth section, and another section is thread segment 352, and thread segment 352 is with smooth section close to screw rod 35
Smooth section both ends are respectively equipped with the first support ring 353 and the second support ring 355 of projection, the first support ring 353, the second support ring
355 are adapted to rotation connection with the inwall of rope drum 36, are provided with strip projection 354, spiral shell with being also integrally formed in the smooth section of screw rod 35
A moment of torsion input hole is set in bar 35, the moment of torsion input hole is four square holes 351, and four square holes 351 are mutually chimeric with a transmission square axis, draw
Enter moment of torsion.The one end of rope drum 36 is provided with diameter and is less than the internal diameter of nut guide cylinder 34 but more than the end of the external diameter of rope drum 36
Ring 361, end loops 361 are provided with a ratchet 362, and the other end of rope drum 36 is provided with the upper end of abatvent hoisting rope 7
7a radial direction lacing hole 364, the inwall of rope drum 36 are provided with fan-shaped bump 363, and fan-shaped bump 363 can support with strip projection 354
Connect, the stroke angle transmission connecting structure between fan-shaped bump 36 and the composition rope drum 36 of strip projection 354 and screw rod 35；Base 38
Both ends are provided with left support abutment 381, right support abutment 383, and the bottom of base 38 is provided with bottom chute 384, and the two sides of base are respectively provided with side
Chute 382；One end of ratchet slider 333 is provided with sliding block ratchet 333a, and the other end of ratchet slider 333, which is provided with, places compression spring
332 circular hole 333b, ratchet slider 333 form a rope drum locking structure with ratchet 362.
Screw rod ropewinder is assembled as follows：The first step into, ratchet slider 333 is put to the fan of nut guide cylinder 34
In shape hole 341, then compression spring 332 is put into the circular hole 333b of ratchet slider 333, finally consolidated baffle plate 331 with screw
It is scheduled on the outside of scallop hole 341 of nut guide cylinder 34 so that compression spring 332 keeps certain spring pressure to ratchet slider 333
Power is come without being sliding out from the circular hole 333b of ratchet slider 333, while ratchet slider 333 also will not be from nut guide cylinder 34
Scallop hole 341 in depart from referring to Fig. 2, Fig. 3, Fig. 6；Second step, rope drum 36 is nested into the first of the smooth section of screw rod 35
In support ring 353, the second support ring 355, there can be relative rotation between screw rod 35 and rope drum 36, but in the strip of screw rod 35
When projection 354 touches the inwall fan-shaped bump 363 of rope drum 36, screw rod 35 will drive rope drum 36 together rotating Vortex referring to
Fig. 2, Fig. 3；Then by the internal thread hole 342 of the precession nut guide cylinder 34 of screw rod 35, the rope drum 36 on screw rod 35 is also therewith
Into in nut guide cylinder 34, then two bearings 32 are enclosed on to the both ends of screw rod 35, be then placed in base 38 so that two bearings 32
Respectively fall in the left support abutment 381 of base 38, the groove of right support abutment 383 and the pedestal 343 of nut guide cylinder 34 is embedded in base bottom and slided
In groove 384, referring to Fig. 1, Fig. 4 so that nut guide cylinder 34 can not rotate and can only slide axially, and then pass through bearing pin 347
In the pin-and-hole of the both sides side chute 382 of base 38 and the pedestal both sides of nut guide cylinder 34 so that bearing pin 347 is by nut guide cylinder
34 external part 344 of pedestal 343 is constrained on base 38 without lifting, referring to Fig. 5, Fig. 6；3rd step, by left bearing sheath
31st, right bearing sheath 37 is nested in the bearings at both ends 32 of the left support abutment 381 of base 38, right support abutment 383 and screw rod 35 so that spiral shell
The both ends of bar 35 are constrained on the left support abutment 381 of base 38, on right support abutment 383；4th step, shutter hoisting rope 7 is not knotted
One end through rope drum 36 radial direction lacing hole 364 and around nut guide cylinder 34 pedestal external part 344 bearing pin on
Pulley 349 and along the horizontal direction of pedestal external part 344 to a certain position turn to 90 ° be passed down through shutter head track and with bottom
Rail is connected, and another knotted end 7a of hoisting rope is then fixed on the radial direction lacing hole 364 of rope drum 36, referring to Fig. 5 and Fig. 6.
Cubic power transmission shaft is penetrated to four square holes 351 of screw rod 35, drives cubic power transmission shaft then to drive the dextrorotation of screw rod 35
Turn, nut guide cylinder 34 can not be rotated under the constraint of the bottom chute 384 of base 38 and can only be along the bottom chute 384 of base 38
Slide axially to the left, the bearing pin 347 of the pedestal external part 344 of nut guide cylinder 34 constrains in the lateral side chute 382 of base 38
In cause the pedestal external part 344 of nut guide cylinder 34 will not be driven by shutter hoisting rope 7 when sliding axially be lifted up,
Under the guide effect of the nut guide cylinder 34 to slide axially, shutter hoisting rope 7 in an orderly manner on rope drum 36, referring to
Fig. 5；Due to the cut-off that the end loops 361 of the rope drum 36 on screw rod 35 are formed with the inwall of nut guide cylinder 34, also due to screw rod
The other end of rope drum 36 on 35 and the Qian He of right bearing sheath 37 so that shutter hoisting rope 7 in winding process neither
It can be slipped to outside the right-hand member that base 38 is not fallen off on the thread segment 352 of screw rod 35 yet；In 35 rotate counterclockwise of screw rod,
Shutter hoisting rope 7 departs from serving in an orderly manner under the Action of Gravity Field of bottom rail and louvre blade and under the guiding of nut guide cylinder 34
Cylinder 36, during shutter hoisting rope 7 departs from rope drum 36, the Closed End of nut guide cylinder 34 is together with ratchet thereon
Sliding block 333 also close to the rope drum 36 on screw rod 35 end loops 361 together with ratchet 362 thereon, when shutter hoisting rope 7 is complete
During total detachment rope drum 36, the sliding block ratchet 333a and rope drum of the ratchet slider 333 on the Closed End of nut guide cylinder 34
Ratchet 362 in 36 end loops engages so that screw rod 35 can not continue to rotate, so as to ensure that nut guide cylinder 34 will not be with spiral shell
Locked or even damage occurs for bar 35, referring to Fig. 6.
Claims (10)
1. a kind of anti-rope is from the shutter screw rod ropewinder of winding, in shutter head track, it is characterized in that being oriented to including nut
Cylinder（34）, screw rod（35）, rope drum（36）And base（38）, nut guide cylinder（34）It is slidably connected at base（38）It is upper and circumferential
It is fixed, screw rod（35）It is rotatably connected on base（38）It is upper and with nut guide cylinder（34）Threaded connection, rope drum（36）Rotatably
Ground is socketed in screw rod（35）Upper and rope drum（36）With screw rod（35）Between be provided with stroke angle transmission connecting structure, rope drum（36）On
Fix a shutter hoisting rope（7）Termination, shutter hoisting rope（7）Wear and be connected in nut guide cylinder（34）On, nut guide cylinder
（34）It is rotatably sleeved in rope drum（36）Outside, nut guide cylinder（34）With rope drum（36）Between be provided with rope drum locking knot
Structure.
2. anti-rope according to claim 1 is from the shutter screw rod ropewinder of winding, it is characterized in that screw rod（35）Including spiral shell
Line section（352）And smooth section, smooth section both ends are respectively equipped with the first support ring of projection（353）With the second support ring（355）, the
One support ring（353）, the second support ring（355）With rope drum（36）Inwall adaptation rotation connection.
3. anti-rope according to claim 2 is from the shutter screw rod ropewinder of winding, it is characterized in that the stroke angle is driven
Attachment structure includes being located at screw rod（35）Strip projection in smooth section（354）With located at rope drum（36）And can be with inwall
Strip projection（354）The fan-shaped bump of abutting（363）.
4. anti-rope according to claim 1 is from the shutter screw rod ropewinder of winding, it is characterized in that the rope drum locking
Structure includes being located at nut guide cylinder（34）On ratchet slider（333）With located at rope drum（36）The ratchet of port（362）, spiral shell
Female guide cylinder（34）One end bottom is provided with scallop hole（341）, scallop hole（341）Aperture is provided with baffle plate（331）, ratchet slider
（333）Slip is embedded at scallop hole（341）It is interior, ratchet slider（333）The inner be provided with sliding block ratchet（333a）, ratchet slider
（333）Outer end and baffle plate（331）Between be provided with a compression spring（332）.
5. anti-rope according to claim 4 is from the shutter screw rod ropewinder of winding, it is characterized in that rope drum（36）Port
End loops provided with footpath convex（361）, end loops（361）External diameter and nut guide cylinder（34）Internal diameter is adapted to.
6. it is according to claim 1 it is anti-rope from winding shutter screw rod ropewinder, it is characterized in that screw rod（35）Center
Provided with moment of torsion input hole.
7. anti-rope according to claim 1 is from the shutter screw rod ropewinder of winding, it is characterized in that base（38）Both sides are set
There is chute（382）, nut guide cylinder（34）Both sides are provided with bearing pin（347）, bearing pin（347）Adaptation, which is worn, is connected in chute（382）In.
8. anti-rope according to claim 4 is from the shutter screw rod ropewinder of winding, it is characterized in that nut guide cylinder（34）
Bottom is provided with pedestal external part（344）, pedestal external part（344）With scallop hole（341）It is located at nut guide cylinder respectively（34）Two
End, pedestal external part（344）It is provided with and accommodates shutter hoisting rope（7）The open slot passed through（345）With vertical perforation（346）.
9. anti-rope according to claim 1 is from the shutter screw rod ropewinder of winding, it is characterized in that rope drum（36）On set
There is abatvent hoisting rope（7）The radial direction lacing hole of termination（364）.
10. anti-rope according to any one of claim 1 to 9 is from the shutter screw rod ropewinder of winding, it is characterized in that bottom
Seat（38）Both ends are respectively provided with a bearing, and bearing is provided with bearing and bearing sheath, and bearing connects with bearing sheath and consolidates bearing
It is fixed, screw rod（35）It is arranged on by bearing on bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799761.7A CN106320954B (en) | 2016-08-31 | 2016-08-31 | A kind of shutter screw rod ropewinder of anti-rope from winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799761.7A CN106320954B (en) | 2016-08-31 | 2016-08-31 | A kind of shutter screw rod ropewinder of anti-rope from winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106320954A CN106320954A (en) | 2017-01-11 |
| CN106320954B true CN106320954B (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610799761.7A Active CN106320954B (en) | 2016-08-31 | 2016-08-31 | A kind of shutter screw rod ropewinder of anti-rope from winding |
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| Country | Link |
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| CN (1) | CN106320954B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204668A (en) * | 2020-02-26 | 2020-05-29 | 王小兵 | A lift control device |
| CN111265055A (en) * | 2020-02-26 | 2020-06-12 | 王小兵 | Lifting control device and lifting bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538232Y (en) * | 2002-03-15 | 2003-03-05 | 亿丰综合工业股份有限公司 | Electric curtain friction driving mechanism |
| CN102808573A (en) * | 2012-07-30 | 2012-12-05 | 杭州欧卡索拉科技有限公司 | Lifting turner for blind window |
| CN103388445A (en) * | 2013-07-23 | 2013-11-13 | 杭州欧卡索拉科技有限公司 | Flat and round rope winding mechanism for variable pitch window shutter lifting overturning machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ES2380981T3 (en) * | 2009-08-21 | 2012-05-22 | Jørn Krab Holding APS | Lifting mechanism for Venetian blinds |
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| CN2538232Y (en) * | 2002-03-15 | 2003-03-05 | 亿丰综合工业股份有限公司 | Electric curtain friction driving mechanism |
| CN102808573A (en) * | 2012-07-30 | 2012-12-05 | 杭州欧卡索拉科技有限公司 | Lifting turner for blind window |
| CN103696675A (en) * | 2013-07-02 | 2014-04-02 | 杭州欧卡索拉科技有限公司 | Sliding block mechanisms and variable-pitch louver sliding block system with same |
| CN103388445A (en) * | 2013-07-23 | 2013-11-13 | 杭州欧卡索拉科技有限公司 | Flat and round rope winding mechanism for variable pitch window shutter lifting overturning machine |
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| CN106320954A (en) | 2017-01-11 |
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