CN110043180A - Torsion preloading device, torsion preload roller shutter and torsion pre-loading method - Google Patents
Torsion preloading device, torsion preload roller shutter and torsion pre-loading method Download PDFInfo
- Publication number
- CN110043180A CN110043180A CN201910406453.7A CN201910406453A CN110043180A CN 110043180 A CN110043180 A CN 110043180A CN 201910406453 A CN201910406453 A CN 201910406453A CN 110043180 A CN110043180 A CN 110043180A
- Authority
- CN
- China
- Prior art keywords
- teeth portion
- torsion
- torsional spring
- interior bar
- roller shutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E06B9/40—Roller blinds
-
- 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
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
- E06B9/44—Rollers therefor; Fastening roller blinds to rollers
-
- 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
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/60—Spring drums operated only by closure members
-
- 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
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/62—Counterweighting arrangements
Abstract
The invention belongs to household items technical fields, and in particular to one kind can the torsional spring torsion to spring rolling curtain carries out pre-loaded torsion preloading device, torsion preloads roller shutter and torsion pre-loading method.The torsion preloading device includes outer cylinder and pre- mounted mechanism, pre- mounted mechanism includes interior bar, clutch part, driving member and elastic element, elastic element be set between driving member and outer cylinder so that the second teeth portion and driving member people's third teeth portion of interior bar be respectively relative to the first teeth portion of interior bar close to or away from, so that the second teeth portion relative to the first teeth portion close to or away from forming engagement state or discrete state, driving member is relative to the first teeth portion close to or away from making third teeth portion and the first teeth portion form engagement state or discrete state.Torsion preloading device of the invention can play a protective role to torsional spring during transport and storage, and can easily carry out torsion preloading in installation process and can voluntarily be maintained at this state, and use is completely convenient.
Description
Technical field
The invention belongs to household items technical fields, and in particular to it is a kind of can the torsional spring torsion to spring rolling curtain carry out it is preparatory
Torsion preloading device, the torsion of load preload roller shutter and torsion pre-loading method.
Background technique
Roller shutter is one of window decorations product, has the characteristics that beauty is succinct, neat and tidy, spacious brief, mainly wraps
It is all kinds of to include electric rolling, bead roller shutter, spring rolling curtain etc., is widely used in business office building, hotel, dining room, office, family
The places such as residence (being used as yarn curtain), the office scene of especially suitable large-area glass curtain wall.When fabric for roller shutter is put down, interior can be allowed
Light is soft, from the puzzlement of direct sunlight, reaches fine shaded effects, its volume when roller shutter rises, and very small, with
It causes in being not easy to be noticeable.
Spring rolling curtain is gained the name built in pipe, also known as Semi-automatic winded curtain due to spring arrangement (torsional spring), according to operating system
Difference can be divided into traditional dragline type spring rolling curtain, bead type spring rolling curtain, a two formula spring rolling curtains of control, power assistant spring roller shutter etc.
A variety of subdivision classifications.
For spring rolling curtain, regardless of operating system, need to carry out torsional spring in production or when installing preparatory
Load, i.e., so that roller shutter after the being installed torsional spring under initial situation have the function of certain energy storage could make its using
It meets the requirements.In the prior art, two ways is generally divided into for the load of torsional spring, one is completion, in this way meetings before factory
So that torsional spring generates loss during transporting and selling storage, it is unfavorable for the consistency of properties of product；Another kind is factory
Before be not loaded with and load during installation, and installing loading procedure is also to be inconvenient, and needs to maintain this after manually loading
State simultaneously carries out bracket and fixes.
Herein, in the prior art regardless of loading method, the storage of torsional spring with the extension of use time after installation
Can be also cannot or it is inconvenient adjust, be usually (unless the carrying out structure dismantling) being adjustable for i.e. load before dispatching from the factory, and
For what is loaded when installation, resetting is loaded after removing, and needs to repeat to load and installation operation can just be reused, this is for product
For be extremely inconvenient.
Summary of the invention
At least one of the purpose of the present invention is to solve the above problem person provides torsion preloading device, torsion preloads
The torsion pre-loading method of roller shutter and roller shutter.
As the first aspect of the present invention, a kind of torsion preloading device is provided comprising outer cylinder and pre- mounted mechanism, outer cylinder
To form cavity, pre- mounted mechanism is at least partially disposed in cavity inner hollow.
The pre- mounted mechanism includes interior bar, clutch part, driving member and elastic element, and the outer end of interior bar supplies main torsion to be preloaded
Spring is connected thereto.The interior bar includes the first teeth portion, and clutch part includes the second teeth portion, and driving member includes that third teeth portion and first pass
Dynamic portion, outer tube inner wall are equipped with the second driving section matched with the first driving section, second teeth portion and third teeth portion and the
One teeth portion matches.
Elastic element is set between driving member and outer cylinder so that the second teeth portion and third teeth portion can be respectively relative to
First teeth portion is close to or away from so that the second teeth portion is relative to the first teeth portion close to or away from forming engagement state or separation
State, driving member is relative to the first teeth portion close to or away from making third teeth portion and the first teeth portion form engagement state or separate shape
State.For clutch part and driving member, they all have changeable two states (i.e. engagement state and separation shape
State), and the state of the two be always it is opposite, when clutch part is in engagement state, driving member is then in discrete state,
When clutch part is in discrete state, driving member is correspondingly then in engagement state；Also, when clutch part is in engagement state
It can drive interior bar to rotate relative to outer cylinder to carry out torsion preloading to main torsional spring, and when driving member is in engagement state
When interior bar and the rotation of outer cylinder be locked up, the torsion preloading of main torsional spring is fixed.
When in use, the outer cylinder of the torsion preloading device is connected to the reel of roller shutter, the outer end of interior bar then by directly or
It is indirectly connected to main torsional spring to be preloaded (or other mechanisms to be loaded)；Interior bar has locked state with outer cylinder and separates shape
State rotates together with both under locked state, and interior bar can be rotated relative to outer cylinder under discrete state, and the two of main torsional spring
End, which can be, to be respectively directly or indirectly connected with interior bar and outer cylinder, so that rotating interior bar relative to outer cylinder can be to master
Torsional spring carries out torsion preloading.
Specifically, under initial situation, under the action of elastic element, third teeth portion and the first teeth portion be engage and second
Teeth portion is separated with the first teeth portion, and interior bar and outer cylinder are connected through driving member and interlocked at this time, and the both ends of main torsional spring are distinguished at this time
It is connected to interior bar and outer cylinder, no matter whether main torsional spring has preload force (i.e. whether it has deformation) it is locked by interior bar and outer cylinder at this time
Fixed.Apply active force, so that the clutch part is close relative to interior bar so that the second teeth portion connects with the formation of the first teeth portion engagement
Conjunction state, while the third teeth portion of driving member separates to form discrete state with the first teeth portion, clutch part can drive interior bar phase at this time
For outer cylinder rotate so as to main torsional spring carry out torsion preload, rotation several angles of interior bar (rotating several circles) up to
Torsion, which preloads, to be completed；After the completion of torsion preloads, external force is removed, clutch part is relative to interior bar far from making the second teeth portion and the first tooth
Part is from the third teeth portion and the first teeth portion engagement of driving member link together between interior bar and outer cylinder via driving member will lead
The power of torsion spring preload is fixed.Certainly, above-mentioned is one way in which, directly by the component shape under initial situation and under operational circumstances
It is also feasible that state, which is exchanged,.
Preferably, the clutch part includes clutch part, clutch part can be a hollow circular ring shape, the outer wall shape of clutch part
As outer wall, inner cavity is formed as inner cavity, and the second teeth portion is set on clutch part inner wall, so that clutch part is close relative to interior bar
The first teeth portion is contained in interior intracavitary and cooperates with the second teeth portion afterwards, and outer wall is configured in being freely rotated (i.e. outside it in outer cylinder
Wall is smooth without other position-limit mechanisms).In addition to hollow circular ring, it is also possible to the piece or block structure of an eccentric setting, this can also
To be one section regarded as in hollow circular ring；Outer wall and inner cavity are understood as outside and inside at this time.
Preferably, the driving member can also be hollow circular ring shape, third teeth portion is set on its inner wall and first passes
Dynamic portion is set on its outer wall.Similarly, driving member is also possible to a part after being cut out to the hollow circular ring shape, only
The third teeth portion and the first driving section that can ensure that its inner side and outer side can cooperate i.e. with the first teeth portion and the second driving section respectively
It can.
Preferably, first teeth portion, the second teeth portion and third teeth portion include several tooth blocks, and the second teeth portion and
Third teeth portion is both configured to match/engage with the first teeth portion, is rotated with respectively driving interior bar in outer cylinder.Preferably,
First teeth portion is external gear or the rack gear being set on interior rod outer surface, and the second teeth portion and third teeth portion are internal gear or set
The rack gear being placed on clutch part or the corresponding internal chamber wall of driving member.Although it should be noted that carrying out general skill with gear/rack herein
Art statement, it is apparent that tooth block not necessarily needs all to cover accordingly for the first teeth portion, the second teeth portion and third teeth portion
Inner and outer surfaces, a setting unit region also can be achieved on its technical effect, or even further omit unmasked portion
Also may be used.
More preferably, first teeth portion is internal gear, and the second teeth portion and third teeth portion are external gear.
Preferably, first driving section and the second driving section are respectively cord and groove, and the two cooperates,
So that driving section can translate in outer cylinder but not be able to rotate so that outer cylinder and interior bar must can clutch two states
(i.e. engagement state and discrete state).It should be noted that for the first driving section and the second driving section, who for cord who
It is unfixed for groove.
Preferably, the clutch part further includes adjustment portion, the adjustment portion is in "-" type, cross, rectangle, flower-shape etc.
Other non-circular shapes are to realize the effect that clutch part can be driven to rotate.Adjustment portion is used to form general or proprietary adjusting knot
Structure, it is matched preload force to be adjusted with matching regulating device for adjusting；Dedicated regulating device can be with
User is avoided voluntarily to adjust the unnecessary damage of product of bring.In addition, adjustment portion can also be formed as additional independent tool.
Preferably, the driving member further includes stop collar, stop collar be set on the outside of driving member and with the first teeth portion phase
Cooperation prevents it from excessively moving (i.e. so that its displacement is no more than the first teeth portion), this can also lead to certainly to limit to driving member
The realization of the parameter settings such as the length to elastic element, elastic force is crossed, but stop collar is preferably to select.
Preferably, elastic element is preferably spring.More preferably, the elastic element further includes spring fixed seat, spring
Fixing seat is set at least one end of spring, and reduces spring for the abrasion of outer cylinder and driving member and reduce resistance；Together
When, therefore spring fixed seat as interchangeable wearing detail or individually can also be made of abrasion resisting material.
Preferably, the clutch part further includes connecting rod and connection pole socket, connection pole socket outer diameter is greater than connecting rod；Together
When, interior bar is interior to be equipped with rod cavity body, and rod cavity body includes the first rod cavity body and the second rod cavity body, and diameter is less than the second bar in the first rod cavity body
Cavity；Connecting rod is set in the first rod cavity body, and fixing seat is set in the second rod cavity body and is connected with connecting rod front end.From
And making clutch part and interior bar form entirety and the two has activity space for clutch part work.If cooperate has limit again
The driving member of ring can then form and use stable, structural integrity torsion preloading device.
Further, the torsion preloading device can also include the torsional spring fixing seat for connecting for main torsional spring, with
The front end of interior bar is connected, for example, in such a way that screw is fixed it is affixed.
Preferably, the outer cylinder further includes movable part, for clutch part setting, the movable part can be smooth inner wall,
So that the outer wall of clutch part can be in being freely rotated in outer cylinder.
A kind of preloading roller shutter of torsion, including reel, roller shutter cloth, rotating shaft mechanism, main torsion spring mechanism and the pre- mounted mechanism of torsion, institute
It states rotating shaft mechanism and torsion preloads branch construction in reel both ends so that it positive and negative can be rotated, roller shutter cloth one end is connected to
Mandrel surface is to wind or be unfolded to realize roller shutter function.
The pre- mounted mechanism of torsion uses any of the above-described torsion preloading device；The rotating shaft mechanism includes inner shaft and is arranged
In the rotating cylinder in inner shaft, reel both ends respectively with rotating cylinder and outer cylinder Joint, the clutch part of the inner shaft and the pre- mounted mechanism of torsion
Entirety for roller shutter is fixed, and the two is connected respectively with the first roller shutter bracket, the second roller shutter bracket to fix roller shutter.
The reel is equipped with cavity close to torsion preloading device side, and torsion spring mechanism is set in cavity；The torsion spring machine
Structure includes torsional spring and torsional spring sliding seat, and the one end of torsional spring other end that is connected with interior bar is connected with torsional spring sliding seat；Torsional spring activity
Seat is configured to translate but cannot rotate along cavity inner wall.
Torsional spring sliding seat can be translated (i.e. in the movement of reel extending direction) in the cavity but cannot be rotated relative to reel,
Its rotation is controlled by reel, that is to say, that when reel rotation, correspondingly deformation occurs for torsional spring to generate deformation power or apply
Put the deformation power of storage；Correspondingly, torsional spring can be elongated or shortened in deformation, and torsional spring sliding seat is to translate along cavity at this time
, so that torsional spring works normally.The other end of torsional spring is affixed in interior bar or torsional spring fixing seat, any
In the case of will not change, elongating or shortening caused by all deformation of torsional spring by the translation of torsional spring sliding seat ensures.
Preferably, cord and groove are respectively equipped on the torsional spring sliding seat and cavity inner wall, so that torsional spring is movable
Seat can be translated but cannot be rotated along cavity inner wall.Similarly, for torsional spring sliding seat and cavity inner wall, who be cord who be recessed
Slot is unfixed.
Preferably, the torsion spring mechanism further includes torsional spring fixing seat, torsional spring fixing seat is connected with interior bar, and torsional spring is fixed
In in torsional spring fixing seat, i.e., torsional spring is connected via torsional spring fixing seat with interior bar.
More preferably, the torsion spring mechanism further includes torsional-spring supported cylinder, and torsional-spring supported cylinder one end is fixed in torsional spring fixing seat
With fixation, meanwhile, torsional spring and torsional spring sliding seat are sheathed on outside torsional-spring supported cylinder, and can extend along direction activity.
Preferably, the torsion preloading device further includes fixedly connected part, fixedly connected part inner end is equipped with and clutch part
The attachment base that matches of adjustment portion, attachment base is similarly other non-circular shapes such as "-" type, cross, rectangle, flower-shape；Gu
Determine connector and be solidly connected to the first roller shutter bracket, so that the end of reel passes through torsion preloading device and fixation.
More preferably, the roller shutter further includes lower moulding, and lower moulding, which is matched with below roller shutter cloth, makes roller shutter to increase counterweight
Cloth keeps sagging.
Preferably, the roller shutter further includes damping mechanism, damping mechanism substitutes rotating shaft mechanism and uses, except with shaft
Outside the basic function of mechanism, also have can automatic adjusument damping function.
The damping mechanism includes outer rotaring tube, damping torsional spring, movable part and inner shaft, and inner shaft is equipped with threaded portion, activity
Part is equipped with threaded hole, and threaded hole is matched with threaded portion so that movable part can be along inner shaft precession or back-out；Inner shaft is at least partly
It is set in outer rotaring tube, damping torsional spring both ends are matched with inner shaft inner wall and movable part respectively.The outer rotaring tube is solidly connected to reel
So that it can be rotated together with reel, movable part is configured to translate but cannot rotate in the cavity of outer rotaring tube, and interior
Axis is that be solidly connected to second support bracket fastened, so that driving movable part precession or rotation on the threaded portion of inner shaft when spool turns
Out, so that damping torsional spring is compressed or stretched, to play the effect of damping.
Preferably, cord and groove are respectively equipped on the movable part outer wall and cavity inner wall, so that movable part energy
It translates but cannot rotate along the cavity inner wall of outer rotaring tube.For movable part outer wall and cavity inner wall, who is cord
Who is unfixed for groove.
Preferably, the damping mechanism further includes spring abutment, spring abutment is matched at least one end of damping torsional spring.
Preferably, the inner shaft inner end is fixed after outer rotaring tube by circlip, so that damping mechanism is assembled into one
Independent entirety.
Preferably, the damping mechanism further includes clamping mechanism, clamping mechanism includes clamping seat and shackle member；It is clamped seat
Clamping groove including rectangle, shackle member include connection sheet and clamping joint, and inner shaft outer end is equipped with blocked hole, clamping joint and are matched,
Connection sheet is matched in clamping groove, is clamped seat and the second fixed bracket Joint.
Preferably, the connection sheet is made and is equipped with closing piece using elastic material, the second fixed bracket is equipped with lockhole,
Closing piece is matched with lockhole.
Preferably, the cavity is penetratingly set in reel.
Further, the cord or groove are penetratingly set on cavity inner wall, corresponding on outer rotaring tube and outer drum outer wall
Ground is equipped with groove or cord.
Torsion pre-loading method suitable for the main torsional spring of roller shutter, comprising:
Torsion preloading device is configured, making it includes outer cylinder and pre- mounted mechanism, and outer barrel is hollow to form cavity, pre- carrier aircraft
Structure is at least partially disposed in cavity.
Configure the pre- mounted mechanism, it made to include interior bar, clutch part, driving member and elastic element, the outer end of interior bar supply to
Preloading main torsional spring is connected thereto.The interior bar includes the first teeth portion, and clutch part includes the second teeth portion, and driving member includes third tooth
Portion and the first driving section, outer tube inner wall are equipped with the second driving section for matching with the first driving section, second teeth portion and the
Three teeth portion match with the first teeth portion.
The elastic element is configured between driving member and outer cylinder so that the second teeth portion and third teeth portion can distinguish phase
For the first teeth portion close to or away from so that the second teeth portion relative to the first teeth portion close to or away from formed engagement state or
Discrete state, driving member relative to the first teeth portion close to or away from make third teeth portion and the first teeth portion formed engagement state or point
From state.Clearly for for clutch part and driving member, they all have changeable two states (i.e. engagement state and point
From state), and the state of the two be always it is opposite, when clutch part is in engagement state, driving member is then in separation shape
State, when clutch part is in discrete state, driving member is correspondingly then in engagement state；Also, when clutch part is in engagement state
When it can drive interior bar to rotate relative to outer cylinder to carry out torsion preloading to main torsional spring, and be in joint shape when driving member
The rotation of interior bar and outer cylinder is locked up when state, and the torsion preloading of main torsional spring is fixed.
When in use, the outer cylinder of the torsion preloading device is connected to the reel of roller shutter, the outer end of interior bar then by directly or
It is indirectly connected to main torsional spring to be preloaded；Interior bar and outer cylinder have locked state and discrete state, one both under locked state
With rotation, and interior bar can be rotated relative to outer cylinder under discrete state, and the both ends of main torsional spring can be respectively with interior bar and
What outer cylinder was directly or indirectly connected, to allow interior bar that can carry out torsion preloading to main torsional spring relative to outer cylinder rotation.
Specifically, under initial situation, under the action of elastic element, third teeth portion and the first teeth portion be engage and second
Teeth portion is separated with the first teeth portion, and interior bar and outer cylinder are connected through driving member and interlocked at this time, and the both ends of main torsional spring are distinguished at this time
It is connected to interior bar and outer cylinder, no matter whether main torsional spring has preload force (i.e. whether it has deformation) it is locked by interior bar and outer cylinder at this time
Fixed.Apply active force, so that the clutch part is close relative to interior bar so that the second teeth portion connects with the formation of the first teeth portion engagement
Conjunction state, while the third teeth portion of driving member separates to form discrete state with the first teeth portion, clutch part can drive interior bar phase at this time
For outer cylinder rotate so as to main torsional spring carry out torsion preload, rotation several angles of interior bar (rotating several circles) up to
Torsion, which preloads, to be completed；After the completion of torsion preloads, external force is removed, clutch part is relative to interior bar far from making the second teeth portion and the first tooth
Part is from the third teeth portion and the first teeth portion engagement of driving member link together between interior bar and outer cylinder via driving member will lead
The power of torsion spring preload is fixed.
Preferably, further include that configure the clutch part include clutch part, and makes clutch part that can be a hollow circular ring, the
Two teeth portion are set on clutch part inner wall, so that clutch part is contained in interior intracavitary, outer wall close to rear first teeth portion relative to interior bar
It is configured in (i.e. its outer wall is smooth without other position-limit mechanisms) is freely rotated in outer cylinder.It, can also be in addition to hollow circular ring
It is the piece or block structure of an eccentric setting, this is also possible to regard as one section in hollow circular ring；Outer wall and inner cavity should manage at this time
Solution is on the outside of being and inside.
Preferably, further include configure the driving member be hollow circular ring shape, third teeth portion be set on its inner wall and
First driving section is set on its outer wall.Similarly, driving member is also possible to one after being cut out to the hollow circular ring shape
Part, if can ensure that its inner side and outer side third teeth portion and the first driving section can respectively with the first teeth portion and the second driving section
Cooperation.
Preferably, further including that make them include several for configuration first teeth portion, the second teeth portion and third teeth portion
Tooth block, and the second teeth portion and third teeth portion are both configured to match/engage with the first teeth portion, are existed with respectively driving interior bar
Rotation in outer cylinder.Preferably, first teeth portion is external gear or the rack gear that is set on interior rod outer surface, the second teeth portion and the
Three teeth portion are internal gear or the rack gear being set on clutch part or the corresponding internal chamber wall of driving member.Although it should be noted that using herein
Gear/rack carries out general technology statement, it is apparent that tooth block is not necessarily for the first teeth portion, the second teeth portion and third teeth portion
So need all to cover corresponding inner and outer surfaces, a setting unit region also can be achieved on its technical effect, or even into one
Unmasked portion omission also may be used by step.
It more preferably, further include configuring first teeth portion for internal gear, the second teeth portion and third teeth portion are external gear.
Preferably, further including configuration first driving section and the second driving section is respectively cord and groove, and two
Person cooperates so that driving section can translate in outer cylinder but not be able to rotate so that outer cylinder and interior bar I must can be from
The two states (i.e. engagement state and discrete state) of conjunction.It should be noted that for the first driving section and the second driving section and
Speech, who be cord who be groove be unfixed.
Preferably, further including that configure the clutch part include adjustment portion, the adjustment portion is in "-" type, cross, square
Other non-circular shapes such as shape, flower-shape are to realize the effect that clutch part can be driven to rotate.Adjustment portion is used to form general or proprietary
Adjustment structure, for adjusting and matching regulating device is matched preload force to be adjusted；Dedicated adjusting
Device can voluntarily adjust the unnecessary damage of product of bring to avoid user.
Preferably, further include that configure the driving member include stop collar, stop collar is set on the outside of driving member and with the
One teeth portion matches, to be limited to driving member, prevent its excessively move (i.e. so that its displacement be no more than first teeth portion), certainly this
It can also be realized by parameter settings such as length, elastic force to elastic element, but stop collar is preferably to select.
Preferably, further including configuring elastic element as spring.More preferably, the elastic element is configured as further including bullet
Spring fixing seat, spring fixed seat are set at least one end of spring, and reduce abrasion of the spring for outer cylinder and driving member
With reduction resistance；Meanwhile spring fixed seat can also be therefore by as interchangeable wearing detail or individually using wear-resistant material
Matter is made.
Preferably, further including configuring the clutch part to include connecting rod and connect pole socket, connection pole socket outer diameter, which is greater than, to be connected
Extension bar；Meanwhile rod cavity body is equipped in interior bar, rod cavity body includes the first rod cavity body and the second rod cavity body, and diameter is small in the first rod cavity body
In the second rod cavity body；Connecting rod is set in the first rod cavity body, fixing seat be set in the second rod cavity body and with connecting rod front end
It is connected.So that clutch part and interior bar form entirety and the two has activity space for clutch part work.If matching again
The driving member with stop collar is closed, then can be formed and use stable, structural integrity torsion preloading device.
It further, further include that configure the torsion preloading device include the torsional spring fixing seat for connecting for main torsional spring,
It is connected with the front end of interior bar, for example, in such a way that screw is fixed it is affixed.
Preferably, further including that configure the outer cylinder include movable part, for clutch part setting, the movable part can be light
Sliding inner wall.
It is applied to roller shutter by above-mentioned torsion pre-add support method and further configures the roller shutter it is made to include that damping mechanism is (right
It certainly further include other necessary structures or configuration method, this is technology known in the art, can for the roller shutter
Partially to preload roller shutter with reference to above-mentioned torsion preloading device or torsion).
Preferably, the damping mechanism is configured to include outer rotaring tube, damping torsional spring, movable part and inner shaft, inner shaft
Be equipped with threaded portion, movable part is equipped with threaded hole, threaded hole matched with threaded portion so that movable part can along inner shaft precession or
It screws out；Inner shaft is at least partially arranged in outer rotaring tube, and damping torsional spring both ends are matched with inner shaft inner wall and movable part respectively.It is described
Outer rotaring tube is solidly connected to reel so that it can be rotated together with reel, and movable part is configured to translate in the cavity of outer rotaring tube
But it cannot rotate, and inner shaft is that be solidly connected to second support bracket fastened, so that driving movable part in inner shaft when spool turns
Precession or back-out on threaded portion, so that damping torsional spring is compressed or stretched, to play the effect of damping.
Preferably, further include configure to be respectively equipped with cord and groove on the movable part outer wall and cavity inner wall so that
Obtaining movable part can translate but cannot rotate along the cavity inner wall of outer rotaring tube.Similarly, for movable part outer wall and cavity inner wall
Speech, who be cord who be groove be unfixed.
Preferably, the damping mechanism is configured as further including spring abutment, spring abutment is matched at least one end of damping torsional spring
Place.
It is fixed after outer rotaring tube by circlip preferably, configuring the inner shaft inner end, so that damping mechanism assembles
At an independent entirety.
Preferably, the damping mechanism is configured as further including clamping mechanism, clamping mechanism includes clamping seat and clamping
Part；Clamping seat includes the clamping groove of rectangle, and shackle member includes connection sheet and clamping joint, and inner shaft outer end is equipped with blocked hole, clamping joint
With match, connection sheet is matched in clamping groove, clamping seat with second fixation bracket Joint.
Preferably, the connection sheet is configured as being made and being equipped with closing piece using elastic material, on the second fixed bracket
Equipped with lockhole, closing piece is matched with lockhole.
Preferably, the cavity is configured as penetratingly being set in reel.
It further, further include configuring the cord or groove is penetratingly set on cavity inner wall, outer rotaring tube and outer cylinder
Groove or cord are correspondingly provided on outer wall.
Torsion preloading device of the invention can be widely used in including spring rolling curtain it is various have torsional spring and need
In the equipment for carrying out torsion preloading to torsional spring, being preloaded using torsion after the device is very easily.Torsional spring is after factory
(the i.e. no deformation) not loaded, thus it will not be because the extension of vibration and storage time in transportational process be to torsional spring
Preload force has an adverse effect, and at this time interior bar and outer cylinder be also it is sealed, can also play a protective role to torsional spring；Installation
Any time in the process applies active force to clutch part, so that the clutch part is close so that the second teeth portion relative to interior bar
Engagement state is formed with the first teeth portion engagement, while the third teeth portion of driving member separates to form discrete state with the first teeth portion, this
When clutch part can drive interior bar relative to outer cylinder rotate so as to main torsional spring carry out torsion preload, rotation several angles of interior bar
(rotating several circles) is spent until torsion preloads completion；After the completion of torsion preloads, external force is removed, clutch part is separate relative to interior bar
So that the second teeth portion is separated with the first teeth portion, the third teeth portion and the first teeth portion engagement of driving member, via biography between interior bar and outer cylinder
Moving part links together to fix the power of main torsion spring preload, and can voluntarily be maintained at this state, completely convenient.
Torsion of the invention preloads roller shutter and uses above-mentioned torsion preloading device, therefore also correspondingly has of course above-mentioned excellent
Point；Meanwhile in the case that it is certain more preferably it further includes damping mechanism, which can be in roller shutter use passes through with master
The deformation of torsional spring stores and synchronizes deformation, and deformation is fed back in the form of frictional force, so as to when roller shutter is replied
Corresponding damping force is provided according to the current restoring force of main torsional spring, to guarantee the stabilization, reliable of roller shutter removal process.
Torsion pre-loading method of the invention is to rely on above-mentioned torsion preloading device or torsion preloads roller shutter, thus also has
Have the advantages that corresponding.
Detailed description of the invention
Fig. 1 is the torsion preloading device structural schematic diagram of a certain embodiment of the present invention；
Fig. 2 is the structural decomposition diagram of Fig. 1 embodiment；
Fig. 3 a is the structural schematic diagram of Fig. 1 embodiment outer cylinder；
Fig. 3 b is the cross-sectional view of Fig. 3 a；
Fig. 4 is the pre- mounted mechanism overall structure diagram of Fig. 1 embodiment；
Fig. 5 is the clutch part fit structure schematic diagram of Fig. 1 embodiment；
Fig. 6 is the cooperation decomposition diagram of the clutch part of Fig. 1 embodiment, interior bar, driving member and spring；
Fig. 7 is the structural schematic diagram of the driving member of Fig. 1 embodiment；
Fig. 8 a is the cross-sectional view under the torsion preloading device engagement state of Fig. 1 embodiment, i.e., when driving member is engaged with interior bar
Cross-sectional view；
Fig. 8 b is the cross-sectional view under the torsion preloading device discrete state of Fig. 1 embodiment, i.e., when clutch part is engaged with interior bar
Cross-sectional view；
Fig. 9 a is the cross-sectional view of interior bar；
Fig. 9 b is the cross-sectional view of clutch part；
Fig. 9 c is the cooperation cross-sectional view one of interior bar and clutch part, is coped in the discrete state of Fig. 8 b；
Fig. 9 d is the cooperation cross-sectional view two of interior bar and clutch part, is coped in the engagement state of Fig. 8 a；
Figure 10 is the torsion preloading device of Fig. 1 embodiment and the cooperation schematic diagram of torsional spring fixing seat
Figure 11 is the general structure schematic diagram of the roller shutter of another embodiment of the present invention；
Figure 12 is the structural decomposition diagram of Figure 11 embodiment, and it uses omit drawing；
Figure 13 a is the partial structurtes enlarged diagram one of Figure 11 embodiment；
Figure 13 b is the partial structurtes enlarged diagram two of Figure 11 embodiment；
Figure 14 is the structural schematic diagram of reel one end of Figure 11 embodiment；
Figure 15 is the main torsion spring mechanism of Figure 11 embodiment and the cooperation decomposition diagram of the pre- mounted mechanism of torsion；
Figure 16 is the torsional spring sliding seat structural schematic diagram of Figure 11 embodiment；
Figure 17 is the overall structure diagram of the damping mechanism of other embodiments of the invention；
Figure 18 is the structural decomposition diagram of Figure 17 embodiment；
Figure 19 is the cross-sectional view of Figure 17 embodiment；
Figure 20 is the structural schematic diagram of Figure 17 embodiment outer rotaring tube；
Figure 21 is the movable part structural schematic diagram of Figure 17 embodiment；
Figure 22 is the inner shaft structural schematic diagram of Figure 17 embodiment；
Figure 23 is the cooperation decomposition diagram of Figure 17 embodiment damping mechanism and the second roller shutter bracket.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, to be made more to the scope of protection of present invention
It clearly limits, with regard to some embodiments of the invention, the present invention will be described in detail below.It should be noted that following
The certain specific embodiments for being only present inventive concept are only a part of the embodiments of the present invention, wherein for the tool of dependency structure
The direct description of body is only for convenience of the present invention is understood, each specific features are not certain, directly limit implementation of the invention
Range.Those skilled in the art made conventional selection and replacement under the guidance of present inventive concept, are regarded as in the present invention
In claimed range.
As Figure 1-10 shows, a kind of torsion preloading device, by outer cylinder 110 and the pre- mounted mechanism 101 being set in outer cylinder
Composition, the outer cylinder 110 on the whole be in cylindrical, truncated cone-shaped or the shape for thering are several cylindricals, rotary table to be spliced to form,
To form cavity 111, pre- mounted mechanism 101 is at least partially arranged in cavity 111 110 inner hollow of outer cylinder；Preferably, preloading
Mechanism 101 is placed in cavity 111 completely in addition to the necessary coupling part in both ends；Also, the pre- mounted mechanism 101 is configured
For can in outer cylinder 110 it is rotatable relative or with its rotated together with after affixed (in addition to following necessary functions, the movement side of the two
Formula is also rotation).
Fig. 1,2 stereochemical structures respectively illustrated after the cooperation of torsion preloading device 100 in a certain preferred embodiment are shown
It is intended to and the schematic perspective view and cross-sectional view of outer cylinder 110 is shown respectively in the complete decomposition diagram of component, Fig. 3 ab, Fig. 4 is shown
The overall structure diagram of pre- mounted mechanism 101.
In this embodiment, the pre- mounted mechanism 101 is further by interior bar 120, clutch part 130, driving member 140 and elasticity
Element 150 forms, and the outer end 121 of interior bar 120 is connected (directly or indirectly) for main torsional spring to be preloaded.Preferably, outside
Cylinder 110 includes first port 114 and second port 115, the outer end 121 of interior bar 120 pass through second port 115 for main torsional spring with
Connection, 150 one end fits of elastic element are on 115 inner wall of second port.
When in use, the outer cylinder 110 of the torsion preloading device 100 be connected to roller shutter reel (naturally also other with
Roller shutter equally using torsional spring and needs to carry out its torsion preloading scene or equipment), interior bar 120 and outer cylinder 110 have lock
Conjunction state and discrete state rotate together with both under locked state, and interior bar 120 can be relative to outer cylinder under discrete state
110 rotations, and the both ends of main torsional spring can be and directly or indirectly be connected with interior bar 120 and outer cylinder 110 respectively, to make interior bar
120 can rotate relative to outer cylinder 110 and can carry out torsion preloading to main torsional spring.
For interior bar 120 and outer cylinder 110 have can clutch two states, a certain most preferred embodiment of the present invention is using following
Structure is realized:
Interior bar 120 is equipped with the first teeth portion 122, and clutch part 130 is equipped with the second teeth portion 131, and driving member 140 is equipped with the
Three teeth portion 141 and the first driving section 142,110 inner wall of outer cylinder are equipped with the second driving section 112 and movable part 113, the second driving section
112 match with the first driving section 142；First teeth portion 122, the second teeth portion 131 and third teeth portion 141 include several
Tooth block, and the second teeth portion 131 and third teeth portion 141 are both configured to match/engage with the first teeth portion 122.Preferably,
First teeth portion 122 is external gear or the rack gear being set on 120 outer surface of interior bar, the second teeth portion 131 and third teeth portion 141
For internal gear or the rack gear being set on clutch part 130 or the corresponding internal chamber wall of driving member 140, although it should be noted that using herein
Gear/rack carries out general technology statement, it is apparent that for the first teeth portion 122, the second teeth portion 131 and third teeth portion 141
Tooth block not necessarily needs all to cover corresponding inner and outer surfaces, and a setting unit region also can be achieved on its technical effect
's.
Also, elastic element 150 is preferably spring, is set between driving member 140 and outer cylinder 110 so that the second tooth
Portion 131 and third teeth portion 141 can be respectively relative to the first teeth portion 122 close to or away from so that the second teeth portion 131 is opposite
In the first teeth portion 122 close to or away from engagement state or discrete state is formed, driving member 140 is close relative to the first teeth portion 122
Or far from making third teeth portion 141 and the first teeth portion 122 formation engagement state or discrete state.That is, under initial situation
Since the elastic force of spring 150 makes that third teeth portion 141 is engaged with the first teeth portion 122 and the second teeth portion 131 is and the first tooth at this time
Portion 122 separate, after force spring deformation make the second teeth portion 131 be to the first teeth portion 122 engagement and third teeth portion 141 is corresponding
Ground is separated with the first teeth portion 122.More preferably, the elastic element 150 further includes spring fixed seat 151, and spring fixed seat 151 is set
It is placed in at least one end of spring, and reduces spring for the abrasion of outer cylinder 110 and driving member 140 and reduces resistance；Meanwhile
Therefore spring fixed seat 151 as interchangeable wearing detail or individually can also be made of abrasion resisting material.
Specifically, under initial situation, under the action of spring 150, third teeth portion 141 is to engage with the first teeth portion 122
And what the second teeth portion 131 was separated with the first teeth portion 122, interior bar 120 connect through driving member 140 with outer cylinder 110 and is interlocked at this time, main
The both ends of torsional spring are connected at this time to interior bar 120 and outer cylinder 110, no matter whether main torsional spring has preload force (i.e. it is at this time
It is no to have deformation) it is locked by interior bar 120 and outer cylinder 110.Apply and use power, so that the clutch part 130 is relative to interior bar
120 is close so that the second teeth portion 131 engages to form engagement state with the first teeth portion 122, while the third teeth portion of driving member 140
141 separate to form discrete state with the first teeth portion 122, at this point, clutch part 130 can drive interior bar 120 to rotate relative to outer cylinder 110
It is preloaded so as to carry out torsion to main torsional spring, the rotation several angles of interior bar 120 (rotating several circles) is until torsion preloads
It completes；After the completion of torsion preloads, external force is removed, clutch part 130 is relative to interior bar 120 far from making the second teeth portion 131 and first
Teeth portion 122 separates, and the third teeth portion 141 of driving member 140 is engaged with the first teeth portion 122, via biography between interior bar 120 and outer cylinder 110
Moving part 140 links together to fix main torsion spring preload power.More preferably, the driving member 140 further includes stop collar 142, limit
Position ring 142 is set to 140 outside of driving member and matches with the first teeth portion 122, to limit to driving member 140, prevents it excessively
Mobile (i.e. so that its displacement is no more than the first teeth portion 122).
In a certain embodiment, the clutch part 130 is equipped with clutch part 132, and clutch part 132 is a hollow circular ring,
It is matched in movable part 113,132 outer wall of clutch part is formed as outer wall 1321 and inner cavity is formed as inner cavity 1322, the second teeth portion 131
It is set on 132 inner wall of clutch part, so that clutch part 130 is contained in inner cavity close to rear first teeth portion 122 relative to interior bar 120
In 1322, outer wall 1321 is configured in being freely rotated in outer cylinder 110 (i.e. its outer wall is smooth without other position-limit mechanisms), such as
In certain preferred embodiments, the movable part 113 is smooth inner wall.
In further embodiments, the driving member 140 is hollow circular ring shape, and third teeth portion 141 is set to its inner wall
It is upper and the first driving section 142 is set on its outer wall；More preferably, first driving section 142 and the second driving section 112 are respectively
Cord and groove, and the two cooperate, for example, Fig. 3,4 show 142 outer wall of the first driving section equipped with groove and second pass
Dynamic 112 inner wall of portion is equipped with the fit system of cord, and Figure 20,21 opposite set-up modes shown are (although Figure 20,21 be to be directed to
Damping mechanism, but its part-structure is also applicable to torsion preloading device).
In some other embodiment, the clutch part 130 further includes connecting rod 133 and connection pole socket 1331, connecting rod
1331 outer diameters of seat are greater than connecting rod 133；Meanwhile rod cavity body 123 is equipped in interior bar 120, rod cavity body 123 includes the first rod cavity body
1231 and the second rod cavity body 1232,1231 internal diameter of the first rod cavity body is less than the second rod cavity body 1232；Connecting rod 132 is set to first
In rod cavity body 1231, fixing seat 1321 is set in the second rod cavity body 1232 and is connected with 132 front end of connecting rod.So that
Clutch part 130 and interior bar 120 form entirety and the two has activity space for the work of clutch part 130.More preferably, it is described from
Component 130 further includes adjustment portion 132, and the adjustment portion 132 is in other non-circular shapes such as "-" type, cross, rectangle, flower-shape
To realize the effect that clutch part 130 can be driven to rotate (Fig. 1,2,4 show the adjustment portion 132 of "-" type).
In some practical embodiments, the torsion preloading device further includes fixing seat 170, is common to and sets for main torsional spring
Set, and be connected with the front end of interior bar 120 121, for example, in such a way that screw is fixed it is affixed.
A kind of preloading roller shutter of torsion, including reel 210, roller shutter cloth 220, rotating shaft mechanism 230, main torsion spring mechanism 240 and torsion
The pre- mounted mechanism 100 of power, the rotating shaft mechanism 230 and the pre- mounted mechanism 100 of torsion are divided into 210 both ends of reel so that it can be with
Positive and negative rotation, 220 one end of roller shutter cloth are connected to 210 surface of reel to wind or be unfolded to realize roller shutter function；More preferably, described
Roller shutter further includes lower moulding 221, and lower moulding 221 is matched with 220 lower section of roller shutter cloth and is made under the holding of roller shutter cloth 220 with increasing counterweight
It hangs down.
The pre- mounted mechanism of torsion is the torsion preloading device as described in above-mentioned any embodiment；
The rotating shaft mechanism 230 includes inner shaft 232 and the rotating cylinder 231 being sheathed in inner shaft 232,210 both ends of reel difference
With 110 Joint of rotating cylinder 231 and outer cylinder, the clutch part 130 of the inner shaft 231 and the pre- mounted mechanism 100 of torsion is for the whole of roller shutter
Body is fixed, and the two is connected respectively with the first roller shutter bracket 251, the second roller shutter bracket 252 to fix roller shutter.
The reel 210 is equipped with cavity 211 close to 100 side of torsion preloading device, and torsion spring mechanism 240 is set to cavity
In 211；More preferably, be inside the reel 210 it is hollow, cavity 211 is penetratingly disposed therein.
The torsion spring mechanism 240 includes torsional spring 241 and torsional spring sliding seat 242, and 241 one end of torsional spring is connected with interior bar 120
The other end is connected with torsional spring sliding seat 242；Torsional spring sliding seat 242 is configured to translate but cannot revolve along 211 inner wall of cavity
Turn.More preferably, the torsion spring mechanism 240 further includes torsional spring fixing seat 243, and torsional spring fixing seat 243 is connected with interior bar 120, is turned round
Spring 241 is fixedly arranged in torsional spring fixing seat 243 (i.e. torsional spring 241 is connected via torsional spring fixing seat 243 with interior bar 120)；Most preferably,
The torsion spring mechanism 240 further includes torsional-spring supported cylinder 244, and 244 one end of torsional-spring supported cylinder is fixed in torsional spring fixing seat 243 with solid
It is fixed, meanwhile, torsional spring 241 and torsional spring sliding seat 242 are sheathed on outside torsional-spring supported cylinder 244, and can extend along direction activity.
In certain embodiments, cord 212 and groove are respectively equipped on 211 inner wall of the torsional spring sliding seat 242 and cavity
213, so that torsional spring sliding seat 242 can be translated but cannot be rotated along 211 inner wall of cavity.Torsional spring sliding seat 242 is relative to reel
210 can translate (i.e. mobile in 210 extending direction of reel) in cavity 211 but cannot rotate, and rotation is controlled by reel 210
System, that is to say, that when reel 210 rotates, correspondingly deformation occurs for torsional spring 241 to generate deformation power or discharge the shape of storage
Variable force；Correspondingly, torsional spring 241 can be elongated or shortened in deformation, and torsional spring sliding seat 242 is to translate along cavity 211 at this time
, so that torsional spring 241 works normally.The other end of torsional spring 241 is affixed to interior bar 120 or torsional spring fixing seat 243
On, it will not change, elongate or shorten caused by all deformation of torsional spring 241 by torsional spring sliding seat under any circumstance
242 translation ensures.
In further embodiments, the torsion preloading device 100 further includes fixedly connected part 134, fixedly connected part 134
Inner end is equipped with the attachment base 1341 matched with the adjustment portion 132 of clutch part 130, and attachment base 1341 is similarly "-" type, cross
Other non-circular shapes such as type, rectangle, flower-shape；Fixedly connected part 134 is solidly connected to the first roller shutter bracket 251, so that volume
The end of cylinder 210 passes through torsion preloading device 100 and fixes.
In certain preferred embodiments, the roller shutter further includes damping mechanism 300, and damping mechanism 300 substitutes rotating shaft mechanism
230, in addition to the basic function with rotating shaft mechanism 230, also have can automatic adjusument damping function.
The damping mechanism 300 includes outer rotaring tube 310, damping torsional spring 320, movable part 330 and inner shaft 340, inner shaft 340
It is equipped with threaded portion 341, movable part 330 is equipped with threaded hole 331, and threaded hole 331 is matched with threaded portion 341 so that movable part
330 can be along 340 precession of inner shaft or back-out；Inner shaft 340 is at least partially arranged in outer rotaring tube 310, damping 320 both ends of torsional spring difference
It is matched with 340 inner wall of inner shaft and movable part 330.The outer rotaring tube 310 is solidly connected to reel 210 so that it can be with reel 210
It rotates together with, movable part 330 is configured to translate but cannot rotate in the cavity 311 of outer rotaring tube 310, and inner shaft 340 is
It is solidly connected to the second fixed bracket 252, so that driving movable part 330 in the threaded portion of inner shaft 340 when reel 210 rotates
Precession or back-out on 341, so that damping torsional spring 320 is compressed or stretched, to play adaptive damping；That is, with volume
The decline torsional spring 241 of curtain is loaded with energy storage, while being damped torsional spring 320 and also correspondingly being compressed, so that damping mechanism 300 rubs
It wipes power to increase, so as to offset the energy of torsional spring 241 when roller shutter is replied, so that replying speed more evenly.More preferably, described
Damping mechanism 300 further includes spring abutment 321, and spring abutment 321 is matched at least one end of damping torsional spring 320.Most preferably, the inner shaft
340 inner ends are fixed after running through outer rotaring tube 310 by circlip 342, so that damping mechanism 300 is assembled into an independent entirety.
The damping action of the damping mechanism is realized by frictional force, with the rise/fall of roller shutter,
In certain embodiments, cord 212 and groove are respectively equipped on 330 outer wall of movable part and 311 inner wall of cavity
213, so that movable part 330 can be translated but cannot be rotated along 311 inner wall of cavity of outer rotaring tube 310.
In further embodiments, the damping mechanism 300 further includes clamping mechanism 350, and clamping mechanism 350 includes clamping
Seat 351 and shackle member 352；It is clamped the clamping groove 3511 that seat 351 includes rectangle, shackle member 352 includes connection sheet 3521 and clamping
First 3522,340 outer end of inner shaft is equipped with blocked hole 341, and clamping joint 3522 and 341 matches, and connection sheet 3521 is matched with clamping groove
In 3511, it is clamped seat 351 and the second fixed 252 Joint of bracket.More preferably, the connection sheet 3521 is made of elastic material
And it is equipped with closing piece 3531, the second fixed bracket 252 is equipped with lockhole 3532, and closing piece 353 is matched with lockhole 3532.
A kind of torsion pre-loading method depends on above-mentioned torsion preloading device or torsion and preloads roller shutter, and presses it
Structure and assembling, application method are configured, and are preloaded so as to the torsion to torsional spring, can refer to above-mentioned torsion in detail
Preloading device or torsion preload roller shutter, and details are not described herein.
Certainly, although associated components (the first driving section 142 and the second driving section 112, torsional spring activity in the above-described embodiments
Seat 242 and cavity 211, cavity 211 and outer rotaring tube 310 or outer cylinder 110) it is all made of cord 212 and mode that groove 213 cooperates is real
Existing translatable but not revolvable structure, but as known to those skilled in the art, in addition to this according to other have been in the prior art
Associated components can be enabled to translate but not revolvable dependency structure through well known other, also be feasible.
Claims (10)
1. a kind of torsion preloading device, including outer cylinder (110) and pre- mounted mechanism (101), outer cylinder (110) is interior to be formed with cavity
(111), pre- mounted mechanism (101) is at least partly placed in cavity (111)；It is characterized in that,
The pre- mounted mechanism (110) includes interior bar (120), clutch part (130), driving member (140) and elastic element (150), interior
The outer end (121) of bar (120) is connected thereto for main torsional spring to be preloaded；The interior bar (120) includes the first teeth portion (122), from
Component (130) includes the second teeth portion (131), and driving member (140) includes third teeth portion (141) and the first driving section (142), outer cylinder
(110) inner wall is equipped with the second driving section (112) for matching with the first driving section (142), second teeth portion (131) and the
Three teeth portion (141) match with the first teeth portion (122)；
Elastic element (150) is set between driving member (140) and outer cylinder (110) so that the second teeth portion (131) and third tooth
Portion (141) is respectively relative to the first teeth portion (122) close to or away from so that the second teeth portion (131) is relative to the first teeth portion
(122) close to or away from engagement state or discrete state is formed, driving member (140) is close or remote relative to the first teeth portion (122)
From making third teeth portion (131) and the first teeth portion (1221) form engagement state or discrete state.
2. preloading device according to claim 1, which is characterized in that the clutch part (130) includes clutch part (132),
Clutch part (132) outer wall is formed as outer wall (1321) and inner cavity is formed as inner cavity (1322), and the second teeth portion (131) is set to clutch
On portion (132) inner wall, so that clutch part (130) is contained in inner cavity close to rear first teeth portion (122) relative to interior bar (120)
(1322) cooperate in and with the second teeth portion (131), outer wall (1321) is configured to be freely rotated in opposite outer cylinder (110).
3. preloading device according to claim 1, which is characterized in that the driving member (140) is in hollow circular ring shape, the
Three teeth portion (141) are set on its inner wall and the first driving section (142) are set on its outer wall.
4. preloading device according to claim 1, which is characterized in that first driving section (142) and the second driving section
It (112) is respectively mutually matched cord (212) and groove (213).
5. preloading device according to claim 1, which is characterized in that the clutch part (130) further includes adjustment portion
(135), the adjustment portion (135) is in shapes such as "-" type, cross, rectangle or flower-shapes, to drive clutch part (130) to rotate.
6. a kind of torsion preloads roller shutter, including reel (210), roller shutter cloth (220), rotating shaft mechanism (230), main torsion spring mechanism
(240) and the pre- mounted mechanism of torsion (100), roller shutter cloth (220) one end are connected to reel (210) surface to wind or be unfolded；It is special
Sign is,
The pre- mounted mechanism of torsion (100) is torsion preloading device as described in any one in claim 1-5；
The rotating shaft mechanism (230) includes inner shaft (232) and the rotating cylinder (231) being sheathed on inner shaft (232), reel (210) two
End respectively with rotating cylinder (231) and outer cylinder (110) Joint, the clutch part (130) and inner shaft of the pre- mounted mechanism of torsion (100)
(231) it is connected respectively with the first roller shutter bracket (251), the second roller shutter bracket (252) to fix roller shutter so that roller shutter is integrally solid
It is fixed；
The reel (210) is equipped with cavity (211) close to torsion preloading device (100) side, and torsion spring mechanism (240) is set to chamber
In body (211)；The torsion spring mechanism (240) includes torsional spring (241) and torsional spring sliding seat (242), torsional spring (241) one end and interior bar
(120) other end that is connected is connected with torsional spring sliding seat (242)；Torsional spring sliding seat (242) is configured to along cavity (211)
Inner wall is translated but cannot be rotated.
7. roller shutter according to claim 6, which is characterized in that on the torsional spring sliding seat (242) and cavity (211) inner wall
It is respectively equipped with cord (212) and groove (213), so that torsional spring sliding seat (242) can translate along cavity (211) inner wall but cannot
Rotation.
8. roller shutter according to claim 6, which is characterized in that the roller shutter further includes damping mechanism (300), damping mechanism
(300) rotating shaft mechanism (230) are substituted；
The damping mechanism (300) includes outer rotaring tube (310), damps torsional spring (320), movable part (330) and inner shaft (340),
Inner shaft (340) is equipped with threaded portion (341), and movable part (330) is equipped with threaded hole (331), threaded hole (331) and threaded portion
(341) it matches so that movable part (330) can be along inner shaft (340) precession or back-out；Inner shaft (340) is at least partially arranged at outer turn
In cylinder (310), the both ends of damping torsional spring (320) are matched with inner shaft (340) inner wall and movable part (330) respectively；
The outer rotaring tube (310) is solidly connected to reel (210) so that it can be rotated together with it, and movable part (330) is configured as
It can translate but cannot rotate in the cavity (311) of outer rotaring tube (310), inner shaft (340) is solidly connected to second fixed bracket (252),
So that driving movable part (330) precession or back-out on the threaded portion (341) of inner shaft (340) when reel (210) rotates, make
Torsional spring (320) must be damped to be compressed or stretched, to play the effect of damping.
9. a kind of torsion pre-loading method characterized by comprising
Torsion preloading device is configured, making it includes outer cylinder (110) and pre- mounted mechanism (101), is formed with cavity in outer cylinder (110)
(111), pre- mounted mechanism (101) is at least partly placed in cavity (111)；
Pre- mounted mechanism (101) are configured, making it includes interior bar (120), clutch part (130), driving member (140) and elastic element
(150), the outer end (121) of interior bar (120) is connected thereto for main torsional spring to be preloaded；The interior bar (120) includes the first teeth portion
(122), clutch part (130) includes the second teeth portion (131), and driving member (140) includes third teeth portion (141) and the first driving section
(142), outer cylinder (110) inner wall is equipped with the second driving section (112) matched with the first driving section (142), second tooth
Portion (131) and third teeth portion (141) match with the first teeth portion (122)；
So that elastic element (150) is set between driving member (140) and outer cylinder (110) so that the second teeth portion (131) and
Three teeth portion (141) are respectively relative to the first teeth portion (122) close to or away from so that the second teeth portion (131) is relative to first
For teeth portion (122) close to or away from engagement state or discrete state is formed, driving member (140) is close relative to the first teeth portion (122)
Or far from making third teeth portion (141) and the first teeth portion (122) form engagement state or discrete state.
10. according to the method described in claim 9, it is characterized in that, the clutch part (130) further includes adjustment portion (135), institute
Adjustment portion (135) are stated in "-" type, cross, rectangle or flower-shape, to drive clutch part (130) to rotate.
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| CN201910406453.7A CN110043180B (en) | 2019-05-15 | 2019-05-15 | Torsion preloading device, torsion preloading roller shutter and torsion preloading method |
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| CN201910406453.7A CN110043180B (en) | 2019-05-15 | 2019-05-15 | Torsion preloading device, torsion preloading roller shutter and torsion preloading method |
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| CN110043180B CN110043180B (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091696A (en) * | 2019-06-03 | 2019-08-06 | 宁波帅特龙集团有限公司 | Vehicle window sunshade translating device |
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| CN110043180B (en) | 2023-09-29 |
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