CN201254943Y - Curtain driving gear for vehicle and vehicle curtain using the drive device - Google Patents
Curtain driving gear for vehicle and vehicle curtain using the drive device Download PDFInfo
- Publication number
- CN201254943Y CN201254943Y CNU2008200950786U CN200820095078U CN201254943Y CN 201254943 Y CN201254943 Y CN 201254943Y CN U2008200950786 U CNU2008200950786 U CN U2008200950786U CN 200820095078 U CN200820095078 U CN 200820095078U CN 201254943 Y CN201254943 Y CN 201254943Y
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- motor
- automobile
- spool
- fixed
- driving device
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses an automobile curtain driving device and an automobile curtain using the curtain driving device. The automobile curtain driving device comprises a roller fixing bracket, a roller which is fixed on the roller fixing bracket and is used for winding cord fabric, and a crank arm; wherein, one end of the crank arm is fixed on the roller fixing bracket, and the other end thereof is fixed on a cross rod of the cord fabric and is used for unfolding the cord fabric; the automobile curtain driving device also comprises a motor installed at one side of the roller, a power conversion device which can drive the crank arm to stretch and furl and an elastic unreeling device used for providing the power that leads the cord fabric to be furled; the motor is connected with the power conversion device in a driving way; and the roller is connected with the elastic unreeling device. As the automobile curtain driving device changes the driving way of the automobile curtain, the motor with larger volume is used for driving the crank arm to stretch; while the elastic unreeling device with smaller volume is used for pulling the roller to unreel, so that the effect of the existing automobile curtain is completely achieved; and meanwhile, the aim of leading the length of the roller to be the same as that of the roller fixing bracket can be achieved.
Description
Technical field
The utility model relates to the motor-driven technical field, more particularly, relates to a kind of automobile-used curtain driving device and uses the automobile-used curtain of this automobile-used curtain driving device.
Background technology
Along with automobile enters into the topmost vehicles that average family becomes people, the kind of car blinds is also more and more various, and side-pull type, roller shutter type etc. are arranged.
The most frequently used automobile-used curtain is a rolling curtain at present, existing rolling curtain comprises the cross bar of cord, cord, automobile-used curtain driving device, automobile-used curtain driving device comprises motor, reel fixed, spool, cord side detent mechanism, spool is fixed on the reel fixed, the outside that motor the is arranged on roller tube end spool that is in transmission connection, one end of cord is fixed (bonding or clamping connection) on the cross bar of cord, the other end is fixing and can be wound on the spool, the cross bar of cord be involved in by spool along with cord or emit and near or away from spool.
Cord side detent mechanism can adopt the device of cranking arm usually, and it comprises cranking arm of two symmetries, cranks arm for two and is located at two sides of curtain respectively, and an end of cranking arm is rotatably connected on the reel fixed, and the other end is rotatably connected on the cross bar of cord.Cranking arm for two is hollow structure, in two are cranked arm extension spring is housed respectively, the two ends of extension spring be separately fixed at crank arm on crank arm, on the end cap of lower bent lever.When cord need be emitted, will crank arm by the pulling force of extension spring and to open, crank arm and open the beam movement that drives cord, thereby open cord, simultaneously, motor also drives spool simultaneously and rotates, and emits cord; When cord need be involved in, the driven by motor spool rotated, and during spool scrolling cord, when it is applied to the power of cranking arm greater than the pulling force of extension spring, drove the gathering of cranking arm, thereby packed up curtain.
For existing this automobile-used curtain driving device, because its motor is arranged at the outside of roller tube end, pass through reducer, power transmission shaft and spool are in transmission connection, because the width of cord is consistent with the length of spool, direct current generator, reducer, power transmission shaft just becomes the outwards outstanding part of spool one end, i.e. fixing spool, direct current generator, reducer, the length that the length of the fixed mount of power transmission shaft equals spool adds direct current generator, reducer, the length of power transmission shaft, so just brought the problem of installing, if Design of length consistent with fixed mount with width glass for vehicle window, the width of cord will will not covered by curtain by some vehicle window less than the width of glass for vehicle window; If it is the width with glass for vehicle window of cord design is consistent, the length of fixed mount will be far longer than the width of glass for vehicle window, so both can not install in the automobile confined space scope fortunately, and can cause the whole structure of automobile-used curtain not attractive in appearance greater than the width of cord because of the length of fixed mount again because of fixed mount is long.
In addition, in existing the cranking arm because the power of extension spring to provide curtain to launch is provided in needing, and when curtain draws in, be to be applied to pulling force on the cord initial folded state of compression and back of will cranking arm by spool, even this just has been doomed to crank arm when being deployed into maximum rating, cranking arm still will guarantee certain bending degree, and can not be straight line.Therefore, when automobile-used curtain was deployed condition, the pulling force that makes automobile-used curtain remain on deployed condition was all provided by the extension spring in cranking arm, and the pulling force of extension spring is less, so cord can not remain on tensioned state in real time, and result of use is not good.And, existing cranking arm under the prerequisite that guarantees its intensity, its volume is difficult to further reduce again, and therefore, the volume of existing automobile-used curtain driving device is bigger.
The utility model content
One of technical problem to be solved in the utility model provides a kind of length and corresponding to automobile-used curtain driving device of reel fixed length of spool.
Automobile-used curtain driving device described in the utility model comprises: reel fixed, be fixed on the cord that is used on the reel fixed to reel spool, crank arm, the described end of cranking arm is fixed in reel fixed, the cross bar that the other end is fixed to cord is used to launch cord; Wherein, described automobile-used curtain driving device also comprise the motor that is installed in spool one side, be arranged on the root of cranking arm can make crank arm open gathering by motor-driven power switching device and be used to provide the elastic force backrush device that makes the power that casement draws in; Described spool is connected with elastic force backrush device.Wherein, the position in the outside at the two ends of the spool that extends along the axis of spool is the end of spool, i.e. the position that motor is placed usually in the prior art; Close with spool, and be a side of spool along its axis position placed side by side, i.e. the position at motor place in the utility model.
Described elastic force backrush device is the torsion spring that is installed in spool inside or end, and described torsion spring one end is fixed in reel fixed, and the other end is fixed in spool and rotates with spool; Be used to provide and make spool draw the elastic force that direction is rotated in to casement.
Be installed in a pair of worm screw and the turbine reel fixed on of described power switching device for rotating by motor-driven; Described turbine is fixedlyed connected with the root of cranking arm; When making motor rotate, crank arm by the worm screw of rotating with motor synchronous and the turbine drives that cooperates rotation with worm screw and to open or draw in the coaxial end that is installed in motor output shaft of described worm screw.
Described cranking arm comprise and cranking arm and lower bent lever, the hinged lower bent lever of cranking arm on described; On the cross bar of the hinged cord of the other end of cranking arm; The other end of lower bent lever is fixedlyed connected with turbine.Because the turbine and worm by being arranged on the root of cranking arm is the power around the turbine swing that acts on the root of cranking arm with the power conversion that horizontally rotates of the power output shaft of motor, therefore crank arm can full extension in line; In the time will drawing curtain in, lower bent lever is subjected to the inwardly power of rotation by turbine, therefore can turn to initial folded state from linear state easily.Therefore, when automobile-used curtain was deployed condition, cranking arm directly to keep linear state fully, can well the power of providing support make automobile-used curtain remain on deployed condition, made cord remain on tensioned state in real time, and result of use is fine.
Crank arm on described and lower bent lever be solid cranking arm, wherein, described solid thickness of cranking arm is less than its width.Establish extension spring owing to crank arm in not needing, therefore, can make cranking arm become easily manufactured solid cranking arm, and since its at the suffered pressure of thickness direction less than its pressure of receiving at width, therefore the thickness of cranking arm can be reduced, to save material.
Describedly cranked arm two, corresponding, describedly be arranged on being used to drive and cranking arm that what open gathering also is two covers by motor-driven power switching device of the root of cranking arm.
Described motor is the double output shaft tube shaped electric machine; Described double output shaft tube shaped electric machine is arranged in the middle of the two cover power switching devices, and the power output shaft of described double output shaft tube shaped electric machine is respectively by prolonging the power switching device that power output shaft drives both sides.Like this further shared volume of motor that reduced is set, well having utilized cranks arm draws the back in two spaces that do not utilize that form between cranking arm.
Described automobile-used curtain driving device also is provided with the checkout gear that is hampered that is connected with motor, and whether the power output shaft that is used for detecting in real time motor meets obstructions, and when the power output shaft that detects motor met obstructions, the control motor stopped operating or backward rotation.In the prior art, because motor direct-drive spool, when meeting obstructions in the process that automobile-used curtain is launching, because between spool and the cord is to be flexible coupling, spool can not be discovered change in resistance, therefore, motor will turn round always, cord just can not be wrapped on the spool very closely, cord may occur and pile up on spool, with the possibility that spool twines extremely, motor burns out.And motor of the present utility model is directly cranked arm by the turbine and worm driving, when automobile-used curtain meets obstructions in the process of expansion or gathering, owing to motor, turbine and worm, connect for hard between cranking arm, motor can be experienced the change in resistance on its power output shaft in real time, therefore the effect that can realize being hampered and stop or being hampered bounce-back then above-mentioned situation can not occur.
The described current sensing means of checkout gear that be hampered for being connected with motor, described current sensing means detects the electric current of motor in real time, when the electric current of motor exceeded default normal range (NR), the power output shaft that is considered as motor met obstructions, and current sensing means control motor stops operating.Because when the power output shaft of motor met obstructions, the electric current of motor internal can change, and exceeds normal range (NR), therefore, by detecting the current value of motor internal, whether the power output shaft that can detect motor meets obstructions.
Two of technical problem to be solved in the utility model provides a kind of length and corresponding to automobile-used curtain of reel fixed length of spool.
Automobile-used curtain described in the utility model, comprise the cross bar of cord, cord, automobile-used curtain driving device, described automobile-used curtain driving device comprises: reel fixed, be fixed on spool on the reel fixed, crank arm, an end of described cord reels and is fixed on the spool, the other end is fixed on the cross bar of cord; The described end of cranking arm is fixed in reel fixed, and the other end is fixed to the cross bar of cord, is used to launch cord; Wherein, described automobile-used curtain driving device also comprise the motor that is installed in spool one side, be arranged on the root of cranking arm can make crank arm open gathering by motor-driven power switching device and be used to provide the elastic force backrush device that makes the power that casement draws in; Described spool is connected with elastic force backrush device.
The utility model has been owing to changed the type of drive of automobile-used curtain, and the motor that volume is bigger is used for that driving cranks arm opens, and is installed in a side of spool, therefore can not take the length of roller tube end; And the elastic force backrush device that volume is small and exquisite is used to spur the spool backrush, it can reach the effect of existing automobile-used curtain fully, also reduced the length of reel fixed simultaneously, thereby can be with fixed mount Design of length consistent with width glass for vehicle window, both be convenient to the installation in car, the overall aesthetic of automobile-used curtain be can increase again, the length and the corresponding to purpose of reel fixed length that make spool reached.
Description of drawings
Fig. 1 is the structural representation of the automobile-used curtain driving device among the utility model embodiment;
Fig. 2 is the structural representation at the automobile-used curtain driving device another one visual angle among the utility model embodiment;
Fig. 3 is the structural representation under the automobile-used curtain driving device deployed condition among the utility model embodiment.
Wherein: 1, reel fixed, 2, spool, 3, torsion spring, 4, the cross bar of cord, 5, the double output shaft tube shaped electric machine, 6, prolong power output shaft, 7, worm screw, 8, turbine, 9, crank arm, 91, on crank arm 92, lower bent lever.
The specific embodiment
Below in conjunction with accompanying drawing more specific description the utility model.
As Fig. 1～shown in Figure 3, automobile-used curtain described in the utility model, comprise the cross bar 4 of cord, cord, automobile-used curtain driving device, described automobile-used curtain driving device comprises: reel fixed 1, be fixed on spool 2 on the reel fixed 1, crank arm 9, an end of described cord reels and is fixed on the spool 2, the other end is fixed on the cross bar 4 of cord; Described 9 one ends of cranking arm are fixed in reel fixed 1, and the other end is fixed to the cross bar 4 of cord, is used to launch cord; Wherein, described automobile-used curtain driving device also comprise the motor that is installed in spool 2 one sides, be arranged on 9 roots of cranking arm can make crank arm 9 open gathering by motor-driven power switching device and be used to provide the torsion spring 3 that makes the power that casement draws in; Torsion spring 3 is installed in spool 2 inside, and described torsion spring 3 one ends are fixed in reel fixed 1, and the other end is fixed in spool 2 and rotates with spool 2; Be used to provide and make spool 2 draw the elastic force that direction is rotated in to casement.
Described cranking arm 9 has two, and be corresponding, describedly is arranged on being used to drive and cranking arm 9 what open gathering also is two covers by motor-driven power switching device of 9 roots of cranking arm.Be installed in a pair of worm screw 7 and the turbine 8 reel fixed 1 on of described power switching device for rotating by motor-driven; Described turbine 8 is fixedlyed connected with 9 the root of cranking arm; When making motor rotate, crank arm by the worm screw 7 of rotating with motor synchronous and turbine 8 drivings that cooperate rotation with worm screw 7 and 9 to open or draw in the described worm screw 7 coaxial ends that are installed in motor output shaft.Described motor is a double output shaft tube shaped electric machine 5; Described double output shaft tube shaped electric machine 5 is arranged on two and overlaps in the power switching devices spaces middle, formation after two are cranked arm 9 gatherings, and the clutch end of described double output shaft tube shaped electric machine 5 passes through the power switching device of prolongation power output shaft 6 driving both sides respectively.
To crank arm is set to two, and the cross bar of support cord that can be more stable launches automobile-used curtain, certainly, only is provided with one and cranks arm and also can realize the utility model.
Certainly, as not adopting double output shaft tube shaped electric machine 5, and drive two cover power switching devices respectively, also can well realize the utility model by two motors are set.
Described cranking arm 9 comprise and crank arm 91 and lower bent lever 92, the 91 hinged lower bent levers 92 of cranking arm on described; On the crank arm cross bar 4 of 91 the hinged cord of the other end; The other end of lower bent lever 92 is fixedlyed connected with turbine 8.Crank arm on described 91 and lower bent lever 92 crank arm 9 for solid, wherein, described solid 9 the thickness of cranking arm is less than its width.9 compare with cranking arm of prior art hollow core, in the utility model crank arm 9 make convenient especially.
When cord need be emitted (as shown in Figure 1), double output shaft tube shaped electric machine 5 starts, the clutch end forward rotation of double output shaft tube shaped electric machine 5, drive worm screw 7 forward rotation at its two ends, the conversion of the power direction by the turbine 8 that cooperates with worm screw 7,9 the lower bent lever 92 of cranking arm that drive to draw in laterally rotates, and 9 cross bars 4 of giving cord of cranking arm are with to the holding power away from the direction of spool 2; Simultaneously, 9 draw the elastic force that direction is rotated greater than the spool 2 that makes that the torsion springs 3 in the spool 2 are applied on the spool 2 in to casement for the holding power away from the direction of spool 2 of the cross bar 4 of cord owing to crank arm, therefore, spool 2 forward rotation, cord wound thereon is emitted gradually, and 9 cross bars 4 that drive cord of cranking arm launch (as shown in Figure 3) with curtain.
When cord need be involved in, the clutch end backward rotation of double output shaft tube shaped electric machine 5, drive worm screw 7 backward rotation at its two ends, the conversion of the power direction by the turbine 8 that cooperates with worm screw 7,9 the lower bent lever 92 of cranking arm that drive to launch turns to the inside, and 9 cross bars 4 of giving cord of cranking arm disappear away from the holding power of the direction of spool 2; Simultaneously, because the spool 2 that makes that the torsion spring 3 in the spool 2 is applied on the spool 2 draws the existence of the elastic force of direction rotation in to casement, torsion spring 3 pulling spools 2 backward rotation, again be wound on the cord of emitting on the spool 2 gradually, crank arm and 9 draw in again, the cross bar 4 of cord is pressed close to spool 2, and curtain returns the state of gathering again.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace; as: as described in rain tablet top, the optical sensor that can be positioned at cantilever also can be positioned at housing outer etc., all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1, a kind of automobile-used curtain driving device comprises: reel fixed, be fixed on the cord that is used on the reel fixed to reel spool, crank arm, the described end of cranking arm is fixed in reel fixed, the cross bar that the other end is fixed to cord is used to launch cord; It is characterized in that described automobile-used curtain driving device also comprises the motor that is installed in spool one side, can drive to crank arm and open the power switching device of gathering and be used to provide the elastic force backrush device that makes the power that casement draws in; Described drive of motor connects power switching device; Described spool is connected with elastic force backrush device.
2, automobile-used curtain driving device as claimed in claim 1 is characterized in that, described elastic force backrush device is the torsion spring that is installed in spool inside or end, and described torsion spring one end is fixed in reel fixed, and the other end is fixed in spool and rotates with spool; Be used to provide and make spool draw the elastic force that direction is rotated in to casement.
3, automobile-used curtain driving device as claimed in claim 1 or 2 is characterized in that, be installed in a pair of worm screw and the turbine reel fixed on of described power switching device for being rotated by motor-driven; Described turbine is fixedlyed connected with the root of cranking arm; When making motor rotate, crank arm by the worm screw of rotating with motor synchronous and the turbine drives that cooperates rotation with worm screw and to open or draw in the coaxial end that is installed in motor output shaft of described worm screw.
4, automobile-used curtain driving device as claimed in claim 3 is characterized in that, described cranking arm comprise and cranking arm and lower bent lever, the hinged lower bent lever of cranking arm on described; On the cross bar of the hinged cord of the other end of cranking arm; The other end of lower bent lever is fixedlyed connected with turbine.
5, automobile-used curtain driving device as claimed in claim 4 is characterized in that, cranks arm on described and lower bent lever is solid cranking arm, and wherein, described solid thickness of cranking arm is less than its width.
6, as claim 3 or 4 or 5 described automobile-used curtain driving devices, it is characterized in that, describedly cranked arm two, corresponding, describedly be arranged on being used to drive and cranking arm that what open gathering also is two covers by motor-driven power switching device of the root of cranking arm.
7, automobile-used curtain driving device as claimed in claim 6 is characterized in that, described motor is the double output shaft tube shaped electric machine; Described double output shaft tube shaped electric machine is arranged in the middle of the two cover power switching devices, and the power output shaft of described double output shaft tube shaped electric machine is respectively by prolonging the power switching device that output shaft drives both sides.
8, automobile-used curtain driving device as claimed in claim 3, it is characterized in that, described automobile-used curtain driving device also is provided with the checkout gear that is hampered that is connected with motor, whether the power output shaft that is used for detecting in real time motor meets obstructions, when the power output shaft that detects motor met obstructions, the control motor stopped operating.
9, automobile-used curtain driving device as claimed in claim 8, it is characterized in that, the described current sensing means of checkout gear that be hampered for being connected with motor, described current sensing means detects the electric current of motor in real time, when the electric current of motor exceeds default normal range (NR), the power output shaft that is considered as motor meets obstructions, and current sensing means control motor stops operating.
10, a kind of automobile-used curtain, comprise the cross bar of cord, cord, automobile-used curtain driving device, described automobile-used curtain driving device comprises: reel fixed, be fixed on the cord that is used on the reel fixed to reel spool, crank arm, the described end of cranking arm is fixed in reel fixed, the other end is fixed to cord and is used to launch cord; It is characterized in that, described automobile-used curtain driving device also comprises the motor that is installed in spool one side, be arranged on the root of cranking arm can make crank arm open gathering by motor-driven power switching device and be used to provide the elastic force backrush device that makes the power that casement draws in; Described spool is connected with elastic force backrush device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200950786U CN201254943Y (en) | 2008-06-26 | 2008-06-26 | Curtain driving gear for vehicle and vehicle curtain using the drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200950786U CN201254943Y (en) | 2008-06-26 | 2008-06-26 | Curtain driving gear for vehicle and vehicle curtain using the drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201254943Y true CN201254943Y (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200950786U Expired - Fee Related CN201254943Y (en) | 2008-06-26 | 2008-06-26 | Curtain driving gear for vehicle and vehicle curtain using the drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201254943Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963412A (en) * | 2017-02-22 | 2017-07-21 | 四川大学华西医院 | Automatic lead curtain and control method thereof |
| CN109875438A (en) * | 2019-04-17 | 2019-06-14 | 楼金龙 | A kind of power-assisted shower curtain |
-
2008
- 2008-06-26 CN CNU2008200950786U patent/CN201254943Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963412A (en) * | 2017-02-22 | 2017-07-21 | 四川大学华西医院 | Automatic lead curtain and control method thereof |
| CN106963412B (en) * | 2017-02-22 | 2023-05-23 | 四川大学华西医院 | Automatic lead curtain and control method thereof |
| CN109875438A (en) * | 2019-04-17 | 2019-06-14 | 楼金龙 | A kind of power-assisted shower curtain |
| CN109875438B (en) * | 2019-04-17 | 2023-11-28 | 楼金龙 | Power-assisted shower curtain |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20110626 |