CN107719080B - Vehicle-mounted movable projection curtain with sun-shading function and projection system - Google Patents
Vehicle-mounted movable projection curtain with sun-shading function and projection system Download PDFInfo
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- CN107719080B CN107719080B CN201710985480.5A CN201710985480A CN107719080B CN 107719080 B CN107719080 B CN 107719080B CN 201710985480 A CN201710985480 A CN 201710985480A CN 107719080 B CN107719080 B CN 107719080B
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Abstract
The invention relates to an automobile-mounted movable projection curtain with a sun-shading function, which comprises a fixed outer pipe, a central shaft, a roller shutter pipe, a projection curtain, a winding device, an isolator, a blocking combination structure and a blocking unlocking device, wherein the isolator comprises a unidirectional outer pipe, a unidirectional inner pipe and a unidirectional spring, the unidirectional spring is movably sleeved on the peripheral wall of the unidirectional inner pipe, one end of the unidirectional spring is connected with the unidirectional outer pipe so that the unidirectional spring and the unidirectional outer pipe cannot rotate relatively, the spiral direction of the unidirectional spring is the same as the rotation direction of the roller shutter pipe when the projection curtain is retracted, and the projection curtain further comprises a unidirectional friction component. The projection curtain can be used for projection, the corresponding length is pulled out according to the size of the projection area, passengers have better entertainment experience, the projection curtain can be applied to sunshade of the front windshield of the automobile, in addition, when the anti-disengagement locking device is pressed down, the projection curtain can be automatically retracted at a constant speed under the action of the winding device, the isolator and the unidirectional friction assembly, the convenience is high, and the service life is long.
Description
Technical Field
The invention relates to the field of automobile supplies, in particular to an automobile-mounted movable projection curtain with a sun-shading function and a projection system.
Background
With the improvement of living standard, automobiles are becoming more popular, and the requirements of people on automobile configuration are becoming higher, but the entertainment system on the automobile is only provided with a navigation multimedia system on the instrument panel at present, but passengers cannot enjoy video and audio comfortably due to the limitation of the screen size.
In addition, various automobiles in the current market all do not have sunshade curtains in the automobile before leaving the factory, and some middle-high-grade sedans also only have sunshade curtains on the left and right windows of the rear row, and in hot summer, after the automobile is parked under the sun for a period of time, the temperature in the automobile can rise rapidly, so that people can not adapt to the temperature in the automobile, the automobile must be firstly driven to open the window for air conditioning and cooling before entering the automobile, and the ageing of all parts in the automobile can be accelerated, therefore, sunshade films are stuck on a plurality of automobile glass, but for the visual field requirement, the front windshield of the automobile can not be stuck, and people usually use the sunshade curtains to cover the front windshield and take off the automobile when driving. At present front windshield sunshade curtain, mostly pull out about, this kind of mode can not carry out better laminating with windshield to because pull out back sunshade curtain cloth from left to right's extension length is great, make the edge of curtain cloth curl easily when the rolling, cause the rolling unevenness of curtain cloth, be blocked easily, thereby cause the damage of projection curtain, and need whole hand sunshade curtain lower extreme parallel recovery when curtain cloth is retrieved. In addition, the existing sunshade curtain is not firm in fixing mode, and can fall off after long sun exposure or small jolt is encountered, so that the use effect and the driving safety are affected, the existing sunshade curtain can only be fixed in place during use, and is not suitable for being hung on the top of the front windshield for a long time.
Disclosure of Invention
The invention aims to provide an automobile-mounted mobile projection curtain with a sun-shading function, which is provided with a blocking combined structure, when the projection curtain is pulled out, the projection curtain can hover at any place, the pulling-out end does not need to be fixed, the projection curtain can be used for projection, the corresponding length can be pulled out according to the size of the projection area, passengers have better entertainment experience, the projection curtain can be applied to sun-shading of a front windshield of an automobile, in addition, when a blocking unlocking device is pressed down, the projection curtain can be automatically retracted at a uniform speed under the actions of a winding device, a isolator and a unidirectional friction assembly, the convenience is high, and the service life is long.
The invention is realized in the following way:
scheme (one):
the utility model provides a take on-vehicle removal projection curtain of car of sunshade function which characterized in that: the device comprises a fixed outer tube, a central shaft coaxially and fixedly arranged in the fixed outer tube, a roller shutter tube movably sleeved on the periphery of the central shaft, a projection curtain cloth, a rolling device, a one-way spring, a one-way isolator, a separation combination structure and a separation locking device, wherein one end of the projection curtain cloth is wound on the roller shutter tube, the rolling device is arranged between the central shaft and the roller shutter tube and used for enabling the projection curtain cloth to automatically retract, the one-way isolator is arranged between the roller shutter tube and the fixed outer tube and used for enabling the projection curtain cloth to be pulled out to hover, the separation locking device is arranged between the fixed outer tube and the separation combination structure and used for removing one-way pull-out restriction of the projection curtain cloth, the one-way isolator comprises a one-way outer tube fixedly connected to the roller shutter tube, a one-way inner tube coaxially sleeved in the one-way outer tube and a one-way spring connected between the one-way outer tube and the one-way inner tube, the one-way spring is movably sleeved on the peripheral wall of the one-way inner tube, one end of the one-way spring and the one-way outer tube are connected with the one-way outer tube so that the one-way spring and the one-way spring cannot rotate relatively, and the one-way spring is enabled not to rotate relatively when the one-way spring is enabled to be pulled out of the one-way outer tube and the one-way spring and the one-way outer tube is enabled to rotate, when the one-way curtain cloth is pulled out of the one-way spring and the one-way outer tube is enabled to rotate, and the one-way inner tube and the one-way tube and the one-way spring and tube and the one outer tube and tube can be rotated.
In order to enable the projection curtain cloth to generate friction resistance when being retracted, so that uniform retraction is realized, a left end cover is fixedly arranged on the end face of one end of the fixed outer tube, the one-way friction assembly comprises a bead throwing piece, more than one bead throwing grooves and bead throwing cavities, the bead throwing pieces are connected with the one-way inner tube and are driven by the one-way inner tube, the bead throwing grooves are arranged on the bead throwing pieces, the bead throwing cavities are arranged in the bead throwing grooves, the bead throwing cavities are matched with the bead throwing pieces, and friction resistance is generated by throwing the bead throwing grooves when the projection curtain is retracted.
In order to further increase the friction force of the unidirectional friction assembly, the projection curtain further comprises more than one group of speed increasing gear sets connected between the unidirectional inner tube and the throwing piece.
In order to reduce the assembly difficulty, simultaneously make the coiling mechanism can reach preset pretightning force, be equipped with the axis fixing bolt that is used for fixed axis on the left end cover, axis fixing bolt's axis is mutually perpendicular with the axis of axis, still be equipped with the pretightning operation hole that is used for rotatory axis in order to pretightning the coiling mechanism on the left end cover.
In order to realize hovering when making projection curtain cloth pull out, the other end of fixed outer tube sets firmly the right-hand member lid, hinder the integrated configuration and include coaxial ratchet that sets firmly on the roller shutter pipe, rotate the depression bar of connecting in the right-hand member lid and set up the torsional spring in the right-hand member lid, the middle part of depression bar rotates and connects in the right-hand member lid, depression bar one end is equipped with pawl and the other end that matches with the ratchet is in free state, the one end pressure of torsional spring is placed in the depression bar and is made the pawl compress tightly the ratchet to the ratchet can only unidirectional rotation when projection curtain pulls out.
In order to release the unidirectional pull-out restriction of the projection curtain cloth, the anti-disengagement lock device comprises an anti-disengagement lock button which is connected to the right end cover in a sliding way, the lower end of the anti-disengagement lock button is positioned above the free end of the pressing rod, and the free end of the pressing rod can be pressed down when the anti-disengagement lock button slides in the right end cover so that the pawl is disengaged from the ratchet wheel to release the unidirectional rotation restriction of the ratchet wheel.
In order to better fix the projection curtain, the projection curtain further comprises more than two projection curtain fixing devices arranged on the fixing outer tube, the projection curtain fixing devices comprise a sliding hoop connected with the projection curtain, a vacuum adsorption piece connected between the sliding hoop and the front windshield of the automobile and a universal connecting piece connected between the sliding hoop and the fixing shaft of the sun shield of the automobile, wherein the length and the angle of the universal connecting piece are adjustable, and the sliding hoop is connected to the peripheral wall of the fixing outer tube in a sliding manner and can axially slide along the fixing outer tube; the universal connecting piece comprises a main rod piece, a coiled pipe which is connected between the main rod piece and the sliding collar and is adjustable in angle, and a U-shaped thread buckle which is connected between the main rod piece and a fixing shaft of the automobile sun shield, wherein two sliding grooves which are axially distributed along the main rod piece and can be used for enabling two sides of the U-shaped thread buckle to extend in are formed in the peripheral wall of the main rod piece, the universal connecting piece further comprises an adjusting nut which is movably sleeved on the periphery of the main rod piece and a limiting flange which is arranged on the peripheral wall of the main rod piece and used for limiting the adjusting nut to axially move towards one end of the U-shaped thread buckle, and the inner peripheral wall of the adjusting nut is in threaded connection with the outer walls of the two sides of the U-shaped thread buckle so that the adjusting nut can enable the U-shaped thread buckle to slide on the sliding grooves when the two sides of the U-shaped thread buckle are pressed in the sliding grooves of the main rod piece and the adjusting nut is rotated.
Further, the mobile jib spare lower extreme is equipped with the horn mouth that is used for supplying the coiled pipe to stretch into, universal connecting piece still includes the coiled pipe cuff that sets up between coiled pipe and horn mouth, the inner peripheral wall of coiled pipe cuff cooperatees with the coiled pipe, the periphery wall of coiled pipe cuff cooperatees and periphery wall shape and horn mouth assorted with the horn mouth, and horn mouth periphery cover is equipped with the shrink nut, the inner peripheral wall of shrink nut upper end and main member periphery wall threaded connection, coiled pipe cuff lower extreme is equipped with when the boss that makes shrink nut screw gradually upwards promote coiled pipe cuff to coiled pipe cuff and coiled pipe's stretching end are fixed, the other end and the slip cuff fixed connection of coiled pipe.
In order to hide the telephone number and display the telephone number when needed, the projection curtain further comprises a telephone number mounting plate rotatably connected to the sliding collar, and eleven mounting grooves for mounting digital particles are formed in the mounting plate.
Scheme (II):
an on-vehicle mobile projecting system of car, its characterized in that: the vehicle-mounted mobile projection curtain with the sunshade function comprises a vehicle-mounted mobile projection curtain with the sunshade function and a mini projector.
Compared with the prior art, the invention has the following advantages:
(1) The vehicle-mounted movable projection curtain with the sunshade function is provided with the blocking combined structure, when the projection curtain is pulled out, the projection curtain can hover at any place, the pulling end does not need to be fixed, the projection curtain can be applied to the occasion of full sunshade when parking, the operation is simple, the projection curtain can be applied to sunshade in the driving process, in addition, when the blocking unlocking device is pressed down, the projection curtain can be automatically retracted at a constant speed under the action of the winding device, the isolator and the unidirectional friction component, the convenience is high, and the service life is long;
(2) When the automobile-mounted mobile projection curtain with the sunshade function is used as an automobile sunshade curtain, the automobile-mounted mobile projection curtain with the sunshade function can be applied to all-shading occasions when the automobile is parked, can hover at any position when pulled out, can be applied to sunshade in the driving process, and is firm in fixation, and the using effect and driving safety are not affected;
(3) When the projection curtain is pulled out, the rotation direction of the roller shutter pipe is opposite to the spiral direction of the one-way spring, the one-way spring is loosened, so that the one-way inner pipe is fixedly driven to rotate, the projection curtain is not acted by the resistance of the one-way friction component when pulled out, and when the projection curtain is retracted, the one-way spring is tightened because the rotation direction of the roller shutter pipe is identical to the spiral direction of the one-way spring, so that the one-way inner pipe is driven to rotate, the one-way inner pipe drives the throwing piece to rotate, and the throwing beads in the throwing piece are thrown out to rub against the throwing piece cavity, so that the projection curtain is retracted at a constant speed;
(4) According to the vehicle-mounted movable projection curtain with the sun-shading function, the belt increasing gear set is arranged between the unidirectional inner pipe and the throwing piece, so that the rotation speed of the throwing piece is increased, the friction resistance is increased, the projection curtain is slower when being retracted at a constant speed, and the service life is prolonged;
(5) According to the vehicle-mounted mobile projection curtain with the sun-shading function, after the projection curtain is assembled, the pretightening force of the winding device can be adjusted through the pretightening operation hole, so that the winding device can reach the pretightening force, and the assembling difficulty is further reduced;
(6) The vehicle-mounted movable projection curtain with the sun-shading function provided by the invention is connected to the vehicle sun-shading plate fixing shafts at the left end and the right end by adopting the universal connecting piece, and is adsorbed on the front windshield of the vehicle by adopting the vacuum adsorption piece, so that the vehicle-mounted movable projection curtain is firm and reliable in fixation, suitable for all vehicle types, and suitable for being pulled up and down, can be hung on the vehicle when not used, and does not influence the use effect and the driving safety;
(7) The universal connecting piece is connected with the automobile sun shield fixing shaft by adopting the coiled pipe and the adjustable U-shaped thread buckle, and the length and the angle are adjustable, so that the projection curtain can be well attached to the front windshield, can be suitable for various automobile types, has a wide application range, and can be firmly fixed on the automobile for a long time without worrying about the problem that the automobile safety is influenced by falling;
(8) The vehicle-mounted movable projection curtain with the sunshade function provided by the invention has the advantages that the main rod piece is connected with the coiled pipe through the horn mouth and the necking nut, the connection is firm and reliable, and the installation and the disassembly are convenient;
(9) According to the vehicle-mounted mobile projection curtain with the sunshade function, when the projection curtain is not pulled, the pawl on the compression bar is meshed with the ratchet on the ratchet wheel, so that the projection curtain is in a hovering state, the corresponding length can be pulled out according to actual requirements, the sight is not blocked in the driving process, and the sunshade effect is achieved;
(10) According to the vehicle-mounted movable projection curtain with the sunshade function, when the blocking unlocking device is pressed, the free end of the pressing rod can be pressed down by the lower end face of the blocking unlocking device, so that the pawl is separated from the ratchet wheel to release the limit of unidirectional rotation of the ratchet wheel, and the projection curtain can be automatically retracted at a uniform speed, so that the vehicle-mounted movable projection curtain is convenient and quick;
(11) According to the vehicle-mounted mobile projection curtain with the sun-shading function, the telephone number mounting plate is rotatably connected to the sliding collar, so that telephone numbers can be hidden when the mobile projection curtain rotates upwards and displayed when the mobile projection curtain rotates downwards, and personal information safety is further protected;
(12) The vehicle-mounted movable projection curtain with the sun-shading function is simple and practical in structure, reliable in performance, low in manufacturing cost, long in service life and easy to popularize and apply.
Drawings
The invention is further described below with reference to the accompanying drawings in conjunction with examples:
FIG. 1 is a schematic diagram of an explosion structure of an automotive vehicle-mounted mobile projection curtain with a sunshade function;
FIG. 2 is a schematic illustration of the mating relationship of the present invention with the isolator, speed increasing gear set and slinger;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1A;
FIG. 4 is a schematic view of the structure of the slinger of the present invention;
FIG. 5 is a cross-sectional view of C-C in FIG. 4;
FIG. 6 is a schematic view of the structure of the left end cap of the present invention;
FIG. 7 is a D-D sectional view of FIG. 6;
FIG. 8 is an enlarged partial schematic view of B in FIG. 1;
FIG. 9 is a schematic diagram of the mating relationship of the right end cap, the blocking combination structure and the blocking locking device of the present invention;
FIG. 10 is a schematic view of the winding apparatus of the present invention;
FIG. 11 is a schematic structural view of a fixed shaft of a sun visor of the present invention;
FIG. 12 is a schematic view of the explosive construction of the slip cuff, vacuum attachment and universal joint of the present invention;
fig. 13 is a schematic view of the mating relationship of the telephone number mounting plate, the slip collar, the vacuum suction member and the universal connector of the present invention.
The symbols in the drawings illustrate: 1. the device comprises a sliding sleeve, 2, a vacuum absorbing part, 3, a universal connecting part, 31, a main rod part, 311, a sliding chute, 312, a limit flange, 313, a horn mouth, 32, a coiled pipe, 33, a U-shaped thread buckle, 34, an adjusting nut, 35 a necking nut, 36, a coiled pipe tightening sleeve, 4, a car sun shield fixing shaft, 5, a fixed outer pipe, 51, a left end cover, 511, a throwing piece cavity, 512, a fixing bolt, 513, a pre-tightening operation hole, 52, a right end cover, 6, a central shaft, 7, a roller shutter pipe, 8, a projection curtain, 9, a winding device, 10, a isolator, 101, a unidirectional outer pipe, 102, a unidirectional inner pipe, 103, a unidirectional spring, 11, a blocking combined structure, 111, a ratchet, 112, a pressing rod, 113, a torsion spring, 12, a blocking dissociation lock device, 13, a unidirectional friction component, 131, a throwing piece, 132, a bead throwing groove, 133, a throwing bead, a throwing ball, 14, a speed increasing gear set, 15, a telephone number mounting plate, 151, digital particles, 152 and a mounting groove.
Detailed Description
The present invention is described in detail below with reference to the attached drawings and specific examples of the specification:
specific embodiment (one):
the invention provides an automobile-mounted movable projection curtain with a sun-shading function, which is shown in fig. 1-13, and is characterized in that: comprises a fixed outer tube 5, a central shaft 6 coaxially fixed in the fixed outer tube 5, a roller shutter tube 7 movably sleeved on the periphery of the central shaft 6, a projection curtain cloth 8 with one end wound on the roller shutter tube 7, a winding device 9 arranged between the central shaft 6 and the roller shutter tube 7 and used for automatically retracting the projection curtain cloth 8, a one-way isolator 10 arranged between the roller shutter tube 7 and the fixed outer tube 5 and used for realizing one-way uniform velocity action when the projection curtain cloth 8 is automatically retracted, a separation combined structure 11 arranged between the roller shutter tube 7 and the fixed outer tube 5 and used for enabling the projection curtain cloth 8 to be pulled out and hovered, and a separation locking device 12 arranged between the fixed outer tube 5 and the separation combined structure 11 and used for releasing one-way pulling restriction of the projection curtain cloth 8, the isolator 10 comprises a unidirectional outer tube 101 fixedly connected to the roller shutter tube 7, a unidirectional inner tube 102 coaxially sleeved in the unidirectional outer tube 101, and a unidirectional spring 103 connected between the unidirectional outer tube 101 and the unidirectional inner tube 102, wherein the unidirectional spring 103 is movably sleeved on the peripheral wall of the unidirectional inner tube 102, one end of the unidirectional spring 103 is connected with the unidirectional outer tube 101 so that the unidirectional spring 103 and the unidirectional outer tube 101 cannot rotate relatively, the spiral direction of the unidirectional spring 103 is the same as the rotation direction of the roller shutter tube 7 when the projection curtain 8 is retracted, so that the unidirectional outer tube 101 can drive the unidirectional inner tube 102 to rotate through the unidirectional spring 103 when the projection curtain 8 is retracted, and the projection curtain further comprises a unidirectional friction assembly 13 connected between the unidirectional inner tube 102 and the fixed outer tube 5 and used for generating friction resistance when the projection curtain 8 is retracted. In this embodiment, one end of the unidirectional spring 103 is provided with a bending rod 105, the outer wall of the outer tube 101 of the unidirectional device is provided with a spring falling groove 106 along the axial direction, the bending rod 105 is located in the spring falling groove 106, when the projection curtain is retracted, the spring falling groove 106 drives the bending rod 105 to rotate along the spiral direction of the elastic unidirectional spring 103, so that the inner circumference diameter of the unidirectional spring 103 is reduced, the outer circumferential wall of the unidirectional inner tube 102 is held tightly, the unidirectional outer tube 101 can drive the unidirectional inner tube 102 to rotate through the unidirectional spring 103, when the projection curtain is pulled down, the bending rod 105 is driven by the falling groove 106 to rotate along the spiral reverse direction of the unidirectional spring 103, the inner circumference diameter of the unidirectional spring 103 is enlarged by pushing the bending rod 105, and the unidirectional spring 103 is loosened from the outer circumferential wall of the unidirectional inner tube 102, so that the unidirectional effect is achieved. In this embodiment, the winding device 9 adopts a torsion spring.
As shown in fig. 1 and fig. 4-fig. 7, in order to enable the projection curtain cloth to generate friction resistance when being retracted, thereby realizing uniform retraction, the end face of the fixed outer tube 5, which is positioned at one end of the isolator 10, is fixedly provided with a left end cover 51, the unidirectional friction assembly 13 comprises a bead throwing piece 131 which is connected with the unidirectional inner tube 102 and is driven, more than one bead throwing grooves 132 which are arranged on the bead throwing piece 131, and bead throwing 133 which are arranged in each bead throwing groove 132, the left end cover 51 is provided with a bead throwing cavity 511 which is matched with the bead throwing piece 131, and when the projection curtain cloth 8 is retracted, the bead throwing 133 can be thrown out along the bead throwing grooves 132 and rubs with the bead throwing cavity 511, thereby generating friction resistance.
As shown in fig. 1-3, to further increase the friction of the unidirectional friction assembly, the projection curtain further includes one or more sets of speed increasing gear sets 14 connected between the unidirectional inner tube 102 and the slinger 131. The larger the releasing torque of the winding device 9 is, the faster the rotating speed of the speed increasing gear set 14 is, the larger the friction resistance between the bead throwing 133 and the inner wall of the throwing piece cavity 511 is, and the torsion released by the winding device 9 can be weakened, so that the releasing torque of the winding device 9 is balanced, and the projection curtain can be retracted at a constant speed.
As shown in fig. 6 and 7, in order to reduce the assembly difficulty, the winding device can reach a preset pre-tightening force, a central shaft fixing bolt 512 for fixing the central shaft 6 is arranged on the left end cover 51, the axis of the central shaft fixing bolt 512 is perpendicular to the axis of the central shaft 6, and a pre-tightening operation hole 513 for rotating the central shaft 6 to pre-tighten the winding device 9 is further arranged on the left end cover 51.
As shown in fig. 8 and 9, in order to realize hovering when the projection curtain is pulled out, the right end cover 52 is fixed at the other end of the fixed outer tube 5, the blocking combined structure 11 includes a ratchet 111 coaxially fixed on the roller shutter tube 7, a pressing rod 112 rotatably connected in the right end cover 52, and a torsion spring 113 arranged in the right end cover 52, the middle part of the pressing rod 112 is rotatably connected in the right end cover 52, one end of the pressing rod 112 is provided with a pawl matched with the ratchet 111, the other end is in a free state, and one end of the torsion spring 113 is pressed on the pressing rod 112 to enable the pawl to press the ratchet 111, so that the ratchet 111 can only rotate unidirectionally when the projection curtain 8 is pulled out.
As shown in fig. 8 and 9, to release the unidirectional pull-out restriction of the projection curtain, the anti-disengagement lock 12 includes an anti-disengagement lock button slidably connected to the right end cover 52, wherein the lower end of the anti-disengagement lock button is located above the free end of the pressing rod 112, and when the anti-disengagement lock button slides in the right end cover 52, the free end of the pressing rod 112 can be pressed down to disengage the pawl from the ratchet 111 so as to release the unidirectional rotation restriction of the ratchet 111.
As shown in fig. 1, in order to better fix the projection curtain, the projection curtain further comprises more than two projection curtain fixing devices arranged on the fixed outer tube 5, the projection curtain fixing devices comprise a sliding collar 1 connected with the projection curtain, a vacuum adsorption piece 2 connected between the sliding collar 1 and the front windshield of the automobile, and a universal connecting piece 3 connected between the sliding collar 1 and the fixed shaft 4 of the sun shield of the automobile, wherein the length and the angle of the universal connecting piece are adjustable, and the sliding collar 1 is connected onto the peripheral wall of the fixed outer tube 5 in a sliding manner and can axially slide along the fixed outer tube 5. As shown in fig. 12, the universal connection member 3 includes a main rod member 31, a serpentine tube 32 connected between the main rod member 31 and the sliding collar 1 and having an adjustable angle, and a U-shaped thread buckle 33 connected between the main rod member 31 and a fixing shaft of the sun visor of the automobile, two sliding grooves 311 extending into two sides of the U-shaped opening of the U-shaped thread buckle 33 and axially distributed along the main rod member 31 are provided on the outer peripheral wall of the main rod member 31, the universal connection member 3 further includes an adjusting nut 34 movably sleeved on the outer periphery of the main rod member 31, and a limiting flange 312 disposed on the outer peripheral wall of the main rod member 31 and used for limiting the axial movement of the adjusting nut 34 to one end of the U-shaped thread buckle 33, wherein the inner peripheral wall of the adjusting nut 34 is in threaded connection with the outer walls of the two sides of the U-shaped opening of the U-shaped thread buckle 33, so that the adjusting nut 34 presses the two sides of the U-shaped thread buckle 33 into the sliding grooves 311 of the main rod member 31 and enables the U-shaped thread buckle 33 to slide on the sliding grooves 311 when the adjusting nut 34 is rotated.
As shown in fig. 12, the lower end of the main rod 31 is provided with a flare 313 for extending the coiled tube 32, the universal connecting member 3 further comprises a coiled tube tightening sleeve 36 arranged between the coiled tube 32 and the flare 131, the inner peripheral wall of the coiled tube tightening sleeve 36 is matched with the coiled tube 32, the outer peripheral wall of the coiled tube tightening sleeve 36 is matched with the flare 313 and the outer peripheral wall is matched with the flare 313 in shape, the outer peripheral wall of the flare 313 is sleeved with a shrinkage nut 35, the inner peripheral wall of the upper end of the shrinkage nut 35 is in threaded connection with the outer peripheral wall of the main rod 31, and a boss matched with the shrinkage nut 35 is arranged at the lower end of the coiled tube tightening sleeve 36 so as to gradually push the coiled tube tightening sleeve 36 upwards when the shrinkage nut 35 is screwed, thereby fixing the extending ends of the coiled tube tightening sleeve 36 and the coiled tube 32, and the other end of the coiled tube 32 is fixedly connected with the sliding sleeve 1.
As shown in fig. 13, in order to hide the phone number and display it when necessary, the projection curtain further includes a phone number mounting plate 15 rotatably connected to the sliding collar 1, and eleven mounting grooves 152 for mounting the digital particles 151 are provided on the mounting plate 15.
Specific embodiment (II):
an on-vehicle mobile projecting system of car, its characterized in that: the vehicle-mounted mobile projection curtain with the sunshade function comprises a vehicle-mounted mobile projection curtain with the sunshade function and a mini projector.
The foregoing detailed description will be given for the purpose of illustration only, and the invention is not limited to the above-described embodiments, but is to be construed as merely illustrative of the principles of the invention, as they may be modified or substituted in any manner within the scope of the invention.
Claims (10)
1. The utility model provides a take on-vehicle removal projection curtain of car of sunshade function which characterized in that: comprises a fixed outer tube (5), a central shaft (6) coaxially and fixedly arranged in the fixed outer tube (5), a roller shutter tube (7) movably sleeved on the periphery of the central shaft (6), a projection curtain cloth (8) with one end wound on the roller shutter tube (7), a winding device (9) arranged between the central shaft (6) and the roller shutter tube (7) and used for enabling the projection curtain cloth (8) to automatically retract, a one-way outer tube (101) arranged between the roller shutter tube (7) and the fixed outer tube (5) and used for realizing one-way uniform action when the projection curtain cloth (8) automatically retracts, a one-way inner tube (10) arranged between the roller shutter tube (7) and the fixed outer tube (5), a blocking combination structure (11) arranged between the roller shutter tube (7) and the blocking combination structure (11) and used for releasing one-way pulling restriction of the projection curtain cloth (8), a one-way outer tube (101) fixedly connected with the roller shutter tube (7), a one-way inner tube (102) coaxially sleeved on the roller shutter tube (101) and a one-way outer tube (103) connected with the one-way outer tube (102) and a one-way spring (102) arranged between the one-way outer tube (103) and the one-way outer tube (102), one end of the unidirectional spring (103) is connected with the unidirectional outer tube (101) so that the unidirectional spring (103) and the unidirectional outer tube (101) cannot rotate relatively, the spiral direction of the unidirectional spring (103) is the same as the rotation direction of the roller shutter tube (7) when the projection curtain cloth (8) is retracted, so that the unidirectional outer tube (101) can drive the unidirectional inner tube (102) to rotate through the unidirectional spring (103) when the projection curtain cloth (8) is retracted, and the unidirectional friction assembly (13) connected between the unidirectional inner tube (102) and the fixed outer tube (5) is used for generating friction resistance when the projection curtain cloth (8) is retracted;
the fixed outer tube (5) is fixedly provided with a left end cover (51) on the end face of one end of the isolator (10), the unidirectional friction assembly (13) comprises a throwing piece (131) which is connected with the unidirectional inner tube (102) and is driven, more than one throwing bead grooves (132) which are arranged on the throwing piece (131) and throwing beads (133) which are arranged in the throwing bead grooves (132), the left end cover (51) is provided with a throwing piece cavity (511) which is matched with the throwing piece (131), and when the projection curtain cloth (8) is retracted, the throwing beads (133) can be thrown out along the throwing bead grooves (132) and are rubbed with the throwing piece cavity (511) to generate friction resistance;
the projection curtain also comprises more than one group of speed increasing gear sets (14) connected between the unidirectional inner tube (102) and the throwing piece (131).
2. The automotive vehicle-mounted mobile projection curtain with sunshade function according to claim 1, wherein: the left end cover (51) is provided with a center shaft fixing bolt (512) for fixing the center shaft (6), the axis of the center shaft fixing bolt (512) is perpendicular to the axis of the center shaft (6), and the left end cover (51) is also provided with a pre-tightening operation hole (513) for rotating the center shaft (6) to pre-tighten the winding device (9).
3. The automotive vehicle-mounted mobile projection curtain with sunshade function according to claim 1, wherein: the utility model discloses a projection curtain cloth (8), including fixed outer tube (5), fixed outer tube (5)'s the other end sets firmly right-hand member lid (52), hinder integrated configuration (11) including coaxial ratchet (111) set firmly on rolling up curtain tube (7), rotate depression bar (112) and torsional spring (113) that set up in right-hand member lid (52) in connection in right-hand member lid (52), the middle part of depression bar (112) rotates and connects in right-hand member lid (52), depression bar (112) one end be equipped with ratchet (111) assorted pawl and the other end is in free state, the one end pressure of torsional spring (113) is arranged in on depression bar (112) so that the pawl compresses tightly ratchet (111) to ratchet (111) can only be in the unidirectional rotation when projection curtain cloth (8) are pulled out.
4. The sunshade-equipped mobile projection curtain for an automobile according to claim 3, wherein: the anti-disengagement locking device (12) comprises an anti-disengagement locking button which is connected to the right end cover (52) in a sliding mode, the lower end of the anti-disengagement locking button is located above the free end of the pressing rod (112), and when the anti-disengagement locking button slides in the right end cover (52), the free end of the pressing rod (112) can be pressed down so that the pawl is separated from the ratchet wheel (111) to release the limit of unidirectional rotation of the ratchet wheel (111).
5. The automotive vehicle-mounted mobile projection curtain with sunshade function according to claim 1, wherein: the projection curtain comprises a fixed outer tube (5), and is characterized by further comprising more than two projection curtain fixing devices arranged on the fixed outer tube (5), wherein each projection curtain fixing device comprises a sliding ferrule (1) connected with the projection curtain, a vacuum adsorption piece (2) connected between the sliding ferrule (1) and the front windshield of the automobile and a universal connecting piece (3) connected between the sliding ferrule (1) and the fixed shaft (4) of the sun shield of the automobile, wherein the length and the angle of the universal connecting piece are adjustable, and the sliding ferrule (1) is connected onto the peripheral wall of the fixed outer tube (5) in a sliding manner and can axially slide along the fixed outer tube (5); the universal connecting piece (3) comprises a main rod piece (31), a coiled pipe (32) which is connected between the main rod piece (31) and the sliding collar (1) and is adjustable in angle, and a U-shaped threaded buckle (33) which is connected between the main rod piece (31) and a car sun shield fixing shaft, wherein two sliding grooves (311) which are axially distributed along the main rod piece (31) and can be used for enabling two sides of the U-shaped threaded buckle (33) to extend into are formed in the peripheral wall of the main rod piece (31), the universal connecting piece (3) further comprises an adjusting nut (34) which is movably sleeved on the periphery of the main rod piece (31) and a limiting flange (312) which is arranged on the peripheral wall of the main rod piece (31) and used for limiting the adjusting nut (34) to axially move towards one end of the U-shaped threaded buckle (33), and the inner peripheral wall of the adjusting nut (34) is in threaded connection with the outer walls of the two sides of the U-shaped threaded buckle (33) so that the two sides of the U-shaped threaded buckle (33) can be pressed in the sliding grooves (311) of the main rod piece (31) and the sliding grooves (311) can be rotationally adjusted.
6. The sunshade-equipped mobile projection curtain for an automobile according to claim 5, wherein: the utility model provides a flexible pipe joint, including mobile jib piece (31) lower extreme is equipped with horn mouth (313) that are used for supplying flexible pipe (32) to stretch into, universal connecting piece (3) still include set up flexible pipe cuff (36) between flexible pipe (32) and horn mouth (313), the inner peripheral wall of flexible pipe cuff (36) cooperatees with flexible pipe (32), the periphery wall of flexible pipe cuff (36) cooperatees with horn mouth (313) and outer peripheral wall shape and horn mouth (313) assorted, horn mouth (313) periphery cover is equipped with throat nut (35), throat nut (35) upper end inner peripheral wall and mobile jib piece (31) outer peripheral wall threaded connection, flexible pipe cuff (36) lower extreme is equipped with and throat nut (35) matched with boss makes when screwing down gradually upwards promote flexible pipe cuff (36) to the income end of flexible pipe cuff (36) and flexible pipe (32), the other end and the fixed connection of flexible pipe cuff (32) and slip (1).
7. The sunshade-equipped mobile projection curtain for an automobile according to claim 5, wherein: the projection curtain further comprises a telephone number mounting plate (15) rotatably connected to the sliding collar (1), and eleven mounting grooves (152) for mounting the digital particles (151) are formed in the mounting plate (15).
8. An on-vehicle mobile projecting system of car, its characterized in that: an automotive vehicle-mounted mobile projection curtain with sunshade function and a micro projector comprising the sunshade function of any one of claims 1 to 7.
9. A one-way friction assembly for an automotive vehicle-mounted mobile projection curtain with sunshade function as claimed in any one of claims 1 to 7: the device comprises a throwing piece (131) which is connected with a unidirectional inner pipe (102) in a transmission manner, more than one throwing bead grooves (132) which are formed in the throwing piece (131) and throwing beads (133) which are arranged in the throwing bead grooves (132), wherein a throwing piece cavity (511) which is matched with the throwing piece (131) is further formed in a unidirectional friction assembly (13), and when the unidirectional inner pipe (102) rotates clockwise, the throwing beads (133) can be thrown out along the throwing bead grooves (132) and rubbed with the throwing piece cavity (511) to generate friction resistance.
10. The unidirectional friction assembly of claim 9, wherein: the unidirectional friction assembly (13) further comprises more than one group of speed increasing gear sets (14) connected between the unidirectional inner pipe (102) and the throwing piece (131).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985480.5A CN107719080B (en) | 2017-10-20 | Vehicle-mounted movable projection curtain with sun-shading function and projection system | |
| CN202010504834.1A CN111688450B (en) | 2017-10-20 | 2017-10-20 | One-way friction assembly |
| PCT/CN2017/107424 WO2018077154A1 (en) | 2016-10-26 | 2017-10-24 | Automobile projection screen and projection system, sunshade roller-blind fixing device, and roller blind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985480.5A CN107719080B (en) | 2017-10-20 | Vehicle-mounted movable projection curtain with sun-shading function and projection system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010504834.1A Division CN111688450B (en) | 2017-10-20 | 2017-10-20 | One-way friction assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719080A CN107719080A (en) | 2018-02-23 |
| CN107719080B true CN107719080B (en) | 2023-08-01 |
Family
ID=
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