CN212047228U

CN212047228U - Power supply contact device of electric curtain

Info

Publication number: CN212047228U
Application number: CN202020538349.1U
Authority: CN
Inventors: 吴志光; 吴炳发
Original assignee: Ningbo Shuaitelong Group Co Ltd
Current assignee: Ningbo Shuaitelung Automotive Systems Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-01
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a power supply contact device of an electric curtain, which comprises a curtain frame, a first curtain tube and an electric driving mechanism, wherein one end of the first curtain tube is provided with a driven wheel, the lower side of the curtain frame is provided with the electric driving mechanism, a motor is connected with a speed reducer and a driving wheel, and a driving part is arranged between the driven wheel and the driving wheel; the two ends of the object shielding curtain frame are respectively movably provided with a telescopic sleeve head, the outer sides of the telescopic sleeve heads at the two ends are respectively fixedly provided with a curtain frame mounting head, the curtain frame mounting head at one end is provided with a power supply contact element, and the power supply contact element is electrically connected with the motor; the guide rail sliding grooves are respectively arranged on the inner sides of the automobile side plates, and the front end and the rear end of the guide rail sliding groove on one side are respectively provided with a front travel switch and a rear travel switch; a curtain frame mounting hole matched with the curtain frame mounting head is formed in the inner side of the automobile side plate, and a power supply connecting piece corresponding to the power supply contact piece is arranged in the curtain frame mounting hole on one side; the advantages are that: full-automatic, guide rail type, convenient operation, it is safe in utilization.

Description

Power supply contact device of electric curtain

Technical Field

The utility model relates to a car hides thing curtain, especially relates to a full-automatic, and guide tracked is flexible, is provided with and extends bearing mechanism, utilizes the power of extension and the electronic interact that contracts the power that contracts, can implement the power contact device that deposits and withdraws article electronic hides thing curtain inside and outside the car.

Background

With the development of automobile manufacturing industry, the technical requirements for the field of automobile parts are also rapidly increased. Many vehicles, such as SUVs, are equipped with a curtain in the trunk. Therefore, a wide variety of shade curtains and various related solutions are available in this field.

The object shielding curtain can shield various objects in the trunk, and light objects can be placed on the object shielding curtain cloth, so that the vehicle is tidier and more attractive, and is very practical. The existing automobile object covering curtain is mostly of a semi-automatic type, namely, an automatic roller shutter mechanism is arranged in the automobile object covering curtain, the automatic roller shutter mechanism comprises a rotary torsion spring and a roller shutter pipe, object covering curtain cloth is arranged on the roller shutter pipe, and a hard plate pull block is fixedly connected to the rear end of the object covering curtain cloth. When in use, the curtain cloth is required to be manually stretched and buckled at the rear end of the automobile, and the object shielding curtain cloth can automatically retract to the curtain cloth roller pipe without the action of external force. Although this technique is commonly used, various problems to be solved arise in the use process.

The method comprises the following steps: because of hiding the thing cord fabric and all adopting soft material, tensile back, detain when the car rear end is used, because of hiding the thing cord fabric below not having supporting component, rely on the tension that hides the thing cord fabric to realize a unsettled plane that hides the thing cord fabric. The covering fabric has no load-bearing capacity.

The bearing capacity problem of the object shielding curtain cloth relates to the tension of the object shielding curtain cloth, and the tension of the object shielding curtain cloth is derived from the strength of a torsion spring arranged in a curtain rolling pipe. Therefore: the larger the torsion of the torsion spring acting on the cord fabric roller pipe is, the larger the tension of the object shielding cord fabric is, and conversely, the smaller the tension of the object shielding cord fabric is.

However, if the strength of the torsion spring is increased, a large pulling force is needed during stretching, and meanwhile, when the object covering curtain is retracted, the object covering curtain is retracted rapidly by carelessly taking off the hand, so that: the hardware arranged at the rear end of the object shielding curtain cloth can generate larger hard collision force with the object shielding curtain frame, so that the object shielding curtain is easily damaged.

In view of this problem, most of the existing technical solutions are to install various dampers, etc. in the object covering curtain, and there are two or more reduction planetary gears and damping springs, etc. For example, the utility model with patent No. 201620600560.5 discloses a car curtain and the utility model with patent No. 201410849319.1 discloses a rolling control device of a car curtain rolling device, which all disclose technical solutions for solving such problems. However, in summary, various damping techniques, while slowing the retraction rate of the covering fabric, add structural complexity and do not address the load bearing problem of the flexible cord, as well as increasing the resistance to stretching of the covering fabric.

The second is as follows: hide thing curtain rear side and all be provided with a hardboard pull block, this hardboard pull block can rock from top to bottom in the car goes, and especially car hides the thing curtain and contracts the back, and it rocks from top to bottom and can produce the abnormal sound, so in this problem, has also designed various solutions now, and its structure is also more complicated, but difficult full solution.

For example, the utility model with 201710014969.8 discloses a pressing and positioning device for the cord side board of a curtain.

The third is: the existing automobile object shading curtain is automatically retracted, and can be used only by being pulled and unfolded at the rear end of an automobile by manpower to be buckled at the rear end of the automobile when in use, so that objects can be stored and taken only from the rear end of the automobile. Thus, the rear door must be opened to operate the vehicle after the vehicle is stopped. It is not possible for a rear passenger to access the items in the trunk under the cover during driving, for example. The existing automobile object shading curtain has no technical scheme for storing articles in an automobile.

The fourth step is: the automobile object covering curtain solves the problem of position adjustment of the rear row seat, and has the damage caused by extrusion and collision of the rear row seat to the object covering curtain. For solving this problem, for the adjustment of back row seat position, the utility model with patent No. 201821518188.9 discloses a slidingtype car hides thing curtain, has adopted and has set up two little curtain cloth at the front side that hides thing curtain frame, and this also is the technical scheme that current hides thing curtain and generally adopts, but it also can't solve little curtain cloth tension inadequately, can not the problem of bearing.

The fifth step is: if the automobile is designed to be fully automatically extended and retracted, matching of a guide rail is better, but the tail of the automobile is known to be large in front and small in back, namely, the distances between the guide grooves on the left side and the right side are different, and the two sides are also bent, and when the object covering curtain is extended, the curtain cloth of the object covering curtain is also in a shape of large in front and small in back, so that the technical problem is difficult to solve.

Like the utility model discloses a whole utility model of guide rail hide thing curtain gently press automatic recovery mechanism and the utility model of 201520025495.3 discloses a hide thing curtain subassembly that hides thing curtain semi-conductive rail formula installation structure chart and use this mounting structure, both do not consider above problem, so its technical scheme is not according with reality like the utility model of patent number 201721492869.8.

With the continuous improvement of the living requirements of people, the requirements of automobiles and parts are also improved, and full automation is also generally applied, but based on the various problems and the particularity of space and function, a complete technical scheme of a full-automatic automobile object covering curtain does not exist at present.

In view of the above, those skilled in the art will try to develop a power supply contact device of an electric object covering curtain, which is fully automatic and track-guided, has a load-bearing function, can be automatically extended and folded, provides an opposite natural extension force for the electric driving force, and has the advantages of interaction between the electric driving force and the extension force, uniform extension and uniform speed safety, and convenient storage and retrieval of objects both inside and outside the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a power contact device of an electric object shading curtain which is full-automatic, of a guide rail type, can store and take objects inside and outside a vehicle can be implemented by the interaction of electric driving force and stretching force.

The utility model provides an electronic power contact device who hides thing curtain, sets up first roller shutter pipe, electric drive mechanism and first extension bearing mechanism, the guide rail spout in hiding the thing curtain frame, activity including hiding thing curtain frame, its characterized in that: one end of the first roller shutter pipe is provided with a driven wheel, the lower side of the same end of the object shielding curtain frame and the driven wheel is provided with an electric driving mechanism, the electric driving mechanism comprises a motor and a speed reducer, the speed reducer is connected with a driving wheel, and a transmission part is arranged between the driven wheel and the driving wheel;

the two ends of the object shielding curtain frame are respectively movably provided with a telescopic sleeve head, the outer sides of the telescopic sleeve heads at the left end and the right end are respectively fixedly provided with a curtain frame mounting head, the curtain frame mounting head at one end is provided with a power supply contact element, and the power supply contact element is electrically connected with the motor;

the guide rail sliding grooves are respectively arranged on the inner sides of automobile side plates at the rear part of an automobile, the front end of the guide rail sliding groove on one side is provided with a front travel switch, and the rear end of the guide rail sliding groove on the same side is provided with a rear travel switch;

the front ends of the guide rail sliding chutes on the inner sides of the left and right automobile side plates are respectively provided with a curtain frame mounting hole matched with the curtain frame mounting head, and a power supply connecting piece corresponding to the power supply contact piece is arranged in the curtain frame mounting hole on one side;

the front travel switch and the rear travel switch are electrically connected with a control switch and a power supply, and the control switch is electrically connected with the power supply connecting piece.

The utility model discloses a further preferred scheme does: a first extension bearing mechanism is arranged on the rear side of the object shielding curtain frame, an extension limiting transverse bar is fixedly arranged on the rear side of the first extension bearing mechanism, limiting sliding bar holes are respectively formed in the left end and the right end of the extension limiting transverse bar, a sliding bar spring and a guide rail sliding bar are respectively arranged in the limiting sliding bar holes on the left side and the right side, a pulley is movably arranged at the outer end of the guide rail sliding bar, and the sliding bar spring always pops the guide rail sliding bar outwards;

the left and right guide rail sliding strips slide in the left and right guide rail sliding grooves respectively.

The utility model discloses a further preferred scheme does: fastener moving grooves are respectively formed in the lower sides of the left end and the right end of the extending limiting transverse strip, limiting fasteners are arranged at the positions, corresponding to the fastener moving grooves, of the lower sides of the guide rail sliding strips, and the limiting fasteners can move left and right in the fastener moving grooves.

The utility model discloses a further preferred scheme does: the first stretching bearing mechanism consists of a plurality of groups of side V-shaped folding assemblies which are arranged in bilateral symmetry, each side V-shaped folding assembly consists of a first front folding strip and a first rear folding strip which are connected with each other in a shaft way, the front ends of the first front folding strips are respectively connected with a shaft connecting piece at the rear side of the object covering curtain frame in a shaft way, the rear ends of the first rear folding strips are respectively connected with a first connecting groove strip in a shaft way, a first stretching spring is arranged in the shaft connecting part between the first front folding strip and the first rear folding strip, and the first stretching bearing mechanism is always in a stretching state by the first stretching spring;

the extension limiting transverse strip is fixedly arranged at the rear side of the first connecting groove strip, a connecting hard plate is fixedly arranged on the upper sides of the first connecting groove strip and the extension limiting transverse strip, and a first curtain cloth is arranged between the connecting hard plate and the first curtain rolling pipe.

The utility model discloses a further preferred scheme does: the stretching force of the stretching spring acting on the first stretching bearing mechanism is smaller than the driving torsion force of the power driving mechanism acting on the first curtain rolling pipe, when the electric driving mechanism drives the first curtain rolling pipe to rotate clockwise, the first curtain cloth drives the first stretching bearing mechanism to retract, and when the electric driving mechanism drives the first curtain rolling pipe to rotate anticlockwise, the first stretching bearing mechanism drives the first curtain cloth to stretch backwards under the action of the first stretching spring.

The utility model discloses a further preferred scheme does: the included angle C between the first front folding strip and the first back folding strip is less than 170 degrees.

The utility model discloses a further preferred scheme does: hide thing curtain frame front side and be provided with the second and extend bearing mechanism, the second extends bearing mechanism and comprises the multiunit side V-arrangement folding assembly that bilateral symmetry set up, side V-arrangement folding assembly constitute by folding before the second and folding behind the second each other coupling joint, many the rear end of folding behind the second respectively the coupling joint in hide thing curtain frame front side's coupling joint, many the front end of folding before the second respectively the coupling joint in second connect the groove strip, folding before the second with the second after the coupling joint between the folding also be provided with the second and extend the spring, the second extend the spring make second extend mechanism be in the state of extending all the time.

The utility model discloses a further preferred scheme does: a second roller shutter tube is movably arranged at the front side in the object shielding curtain frame, one end of the second roller shutter tube is fixedly provided with a shaft coupling sleeve, and a curtain tube rotating shaft is movably arranged in the shaft coupling sleeve; a plurality of limiting sliding strips are fixedly arranged on the inner pipe wall of the second roller shutter pipe, a limiting moving stressed piece is arranged in the second roller shutter pipe, a limiting sliding groove corresponding to the limiting sliding strips is arranged on the limiting moving stressed piece, and a torsion spring is arranged between the inner end of the rotating shaft of the shutter pipe and the limiting moving stressed piece; a second curtain cloth is arranged between the second roller shutter pipe and the second connecting groove strip;

the outer end of the curtain tube rotating shaft is fixedly arranged in a curtain frame sealing cover at one end of the object shielding curtain frame, and the other end of the second curtain rolling tube is movably connected in the curtain frame sealing cover at the other end of the object shielding curtain frame in a shaft mode.

The utility model discloses a further preferred scheme does: the torsion force of the torsion spring acting in the second roller shutter pipe is smaller than the extension force of the second extension spring acting on the second extension bearing mechanism, and the second extension mechanism is always in an extension state under the action of no external force;

the front lower side of the object shielding curtain frame is fixedly provided with a buckle, and the buckle can buckle the second connecting groove bar when the second stretching bearing mechanism retracts.

The utility model discloses a further preferred scheme does: the telescopic sleeve heads at the left end and the right end of the article shielding curtain frame are respectively provided with a sleeve head extension spring between the left end and the right end of the article shielding curtain frame and the telescopic sleeve heads at the left end and the right end of the article shielding curtain frame, and the left sleeve head extension spring and the right sleeve head extension spring always pop the telescopic sleeve heads at the left end and the right end outwards respectively.

The utility model has the advantages that: full-automatic, guide rail type, convenient operation, it is safe in utilization. The arrangement of the power supply contact piece arranged in the curtain frame mounting head and the power supply connecting piece arranged in the curtain frame mounting hole ensures that the automobile object covering curtain is detached, namely, the electric connection is disconnected, and the automobile object covering curtain can be electrified when being mounted, namely, the automobile object covering curtain is convenient and safe. The electric control uniform speed stretching movement can ensure that the automobile object shielding curtain is safer and more durable, can be controlled and operated by a driver, and has high automation degree. The guide rail sliding strip on the rear side of the first stretching bearing mechanism can stretch and move back and forth in the guide rail sliding groove which is large in front and small in back and is bent, the first stretching bearing mechanism not only can automatically stretch the first curtain cloth, but also can be used as a movable support for bearing, and more heavy objects can be placed; because the connecting hard board at the rear end is fixed on the first extension heavy mechanism, the occurrence of vertical shaking and abnormal sound when the automobile runs is avoided. The arrangement of the second stretching bearing mechanism at the front end can ensure that the front-back adjusting space of the back row seat is larger and more convenient; the back row passengers can also access articles from the interior of the vehicle during driving.

Drawings

FIG. 1 is a perspective view of the automobile sunshade of the present invention installed in an automobile and extended for use;

FIG. 2 is a perspective view of the structure of the automobile sunshade and the cross section of the automobile side panel;

FIG. 3 is a perspective view of the structure of the first extension support mechanism and the cross section of the automobile side plate during the extension process of the first extension support mechanism of the present invention;

FIG. 4 is a view of the first extendable load bearing mechanism of the present invention separated from the cross-section of one side of the vehicle side panel when retracted;

FIG. 5 is a sectional view of the retractable automobile covering with a portion broken away from the side panel of the automobile;

FIG. 6 is a perspective view of the present invention;

FIG. 7 is a perspective view of the structure of the local stretching process of the present invention;

FIG. 8 is a three-dimensional structure view of the interior of the article-covering curtain frame and the electric driving mechanism of the present invention;

FIG. 9 is an exploded perspective view of the curtain frame and the retractable sleeve head on one side of the present invention;

FIG. 10 is a cross-sectional exploded view of one end of the extendable stop rail of the present invention;

FIG. 11 is a cross-sectional exploded bottom view of one end of the extension limiting cross bar of the present invention;

FIG. 12 is a partial cutaway perspective view of a second roller tube of the present invention;

fig. 13 is a sectional exploded perspective view of a second roller shutter tube according to the present invention.

Detailed Description

The present invention is described in further detail below with reference to the embodiments of the drawings, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, the drawings are intended to conceptually illustrate the compositions or constructions of the objects described, and may contain exaggerated displays, and are not necessarily drawn to scale. The description is intended to be illustrative, and exemplary only, and should not be construed as limiting the scope of the invention.

It should also be noted that: the terms "upper", "lower", "front", "rear", "inner", "outer", "left", "right" clockwise, counterclockwise, and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly in question must have an orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

As shown in the figure: a is the front end, B is the rear end, C is the included angle between the front folding strip and the rear folding strip;

the device comprises a power supply contact element 1, a front travel switch 2, a rear travel switch 3, a first extension spring 4, an automobile side plate 5, a guide rail sliding groove 6, a curtain frame mounting hole 8 and a rear row seat 9;

10. the folding device comprises a first front folding strip, 11, a first rear folding strip, 12, a telescopic sliding strip, 13, an extension limiting transverse strip, 14, a first connecting groove strip, 15, a limiting sliding strip hole, 16, a sliding strip spring, 17, a pulley, 18, a limiting fastener and 19, a fastener moving groove;

20. the curtain frame comprises a curtain frame body, 21 telescopic sleeve heads, 22 sleeve head extension springs, 23 curtain frame cover, 24 curtain frame mounting heads, 26 first curtain rolling pipes, 27 first curtain cloth, 28 connecting hard plates and 29 shaft connecting pieces;

30. a second connecting groove strip, 36, a second roller shutter tube, 37, a second curtain, 38, a second front folding strip, 39, a second rear folding strip;

41. the electric driving mechanism 42, the driving wheel 43, the driven wheel 44, the transmission piece 45, the speed reducer 46 and the motor;

51. the curtain tube rotating shaft 52, the torsion spring 53, the limiting moving stressed part 55, the coupling sleeve 56, the limiting sliding strip 57 and the limiting sliding groove 57.

As shown in fig. 2, 4, 6, 8, 9: a power supply contact device of an electric curtain comprises a curtain frame 20, a first curtain rolling pipe 26 movably arranged in the curtain frame 20, an electric driving mechanism 41, a first stretching bearing mechanism and a guide rail chute 6; one end of the first roller blind rolling pipe 26 is provided with a driven wheel 43, the lower side of the object shielding curtain frame 20 at the same end with the driven wheel 43 is provided with an electric driving mechanism 41, the electric driving mechanism 41 comprises a motor 46 and a speed reducer 45, the speed reducer 45 is connected with a driving wheel 42, and a transmission part 44 is arranged between the driven wheel 43 and the driving wheel 42;

the two ends of the object shielding curtain frame 20 are respectively movably provided with a telescopic sleeve head 21, the outer sides of the telescopic sleeve heads 21 at the left end and the right end are respectively fixedly provided with a curtain frame mounting head 24, the curtain frame mounting head 24 at one end is provided with a power supply contact element 1, and the power supply contact element 1 is electrically connected with a motor 46;

the guide rail sliding chutes 6 are respectively arranged on the inner sides of automobile side plates 5 at the rear part of an automobile, the front end of the guide rail sliding chute 6 on one side is provided with a front travel switch 2, and the rear end of the guide rail sliding chute 6 on the same side is provided with a rear travel switch 3;

the front ends of guide rail chutes 6 on the inner sides of the left and right automobile side plates 5 are respectively provided with a curtain frame mounting hole 8 matched with the curtain frame mounting head 24, and the curtain frame mounting hole 8 on one side is provided with a power supply connecting piece corresponding to the power supply contact piece 1;

the front travel switch 2 and the rear travel switch 3 are electrically connected with a control switch and a power supply, and the control switch is electrically connected with a power supply connecting piece.

When the automobile sunshade curtain is used, the automobile sunshade curtain can be electrified after being installed on the rear seat 9 of an automobile, and the automobile sunshade curtain can be detached when a large part is not used or placed in a trunk, so that a power supply needs to be electrically connected when the automobile sunshade curtain is installed on the automobile, and the power supply is automatically disconnected when the automobile sunshade curtain is detached. The arrangement of the front travel switch 2, the rear travel switch 3 and a control switch, the travel switches are also called position switches, namely the guide rail sliding strip 12 automatically stops when touching the travel switches during stretching. The control switch may be provided in the instrument panel, and operated by the driver. The front and rear travel switches may be replaced by other devices such as sensors.

As shown in fig. 2, 4 and 6: a first extension bearing mechanism is arranged at the rear side of the object shielding curtain frame 20, an extension limiting transverse bar 13 is fixedly arranged at the rear side of the first extension bearing mechanism, limiting sliding bar holes 15 are respectively arranged at the left end and the right end of the extension limiting transverse bar 13, a sliding bar spring 16 and a guide rail sliding bar 12 are respectively arranged in the left limiting sliding bar hole and the right limiting sliding bar hole 15, a pulley 17 is movably arranged at the outer end of the guide rail sliding bar 12, and the sliding bar spring 16 always ejects the guide rail sliding bar 12 outwards;

the left and right guide rail sliding bars 12 slide in the left and right guide rail sliding grooves 6, respectively.

As shown in fig. 10 and 11: fastener moving grooves 19 are respectively formed in the lower sides of the left end and the right end of the extension limiting transverse bar 13, limiting fasteners 18 are arranged at the positions, corresponding to the fastener moving grooves 19, of the lower side of the guide rail sliding bar 12, and the limiting fasteners 18 can move left and right in the fastener moving grooves 19.

The rear part of the existing automobile is big in front and small in back, and has relative radian, so the curtain cloth of the existing semi-automatic automobile covering curtain is in a shape of big in front and small in back when being stretched. However, it is very difficult to design and install the guide rail sliding groove and the limiting sliding strip in a special space with different front and back widths and relative radian. In order to solve the above problem, the utility model discloses both ends have respectively set up telescopic guide rail draw runner 12 and have supplemented the difference and the radian of adaptation width between guide rail spout 6 about extending spacing horizontal bar 13, and it is in outside pop-up state all the time under the effect of draw runner spring 16, and the pulley 17 of guide rail draw runner 12 outer end is contradicted all the time on the lateral surface of the guide rail spout 6 of the left and right sides promptly. The distance between the guide rail sliding strips 12 at the left end and the right end can be correspondingly expanded or contracted with different widths and radians between the guide rail sliding grooves 6 at the left side and the right side. The slide spring 16 has a small elastic force and only needs to eject the guide rail slide 12.

The limit fastener 18 is matched with the guide rail slide bar 12 through a screw rod and a screw hole, and relative friction force is required between the screw rod and the screw hole, so that the limit fastener cannot automatically loosen or fall off when an automobile runs.

The limit fastener 18 and the fastener moving groove 19 are provided so as to be movable relative to the limit rail slide 12. Secondly, the automobile object covering curtain can not be used, when the automobile object covering curtain is dismounted in an automobile, the first extension bearing mechanism retracts and is folded, namely the guide rail sliding strips 12 at the left end and the right end retract after the automobile object covering curtain integrally retracts back, and are fixed by the limiting fastening pieces 18, so that the guide rail sliding strips at the two ends can be easily separated from the guide rail sliding grooves 6, and the automobile object covering curtain can be conveniently dismounted from the automobile integrally.

As shown in fig. 2 to 7: the first stretching bearing and unfolding mechanism consists of a plurality of groups of side V-shaped folding assemblies which are arranged in bilateral symmetry, each side V-shaped folding assembly consists of a first front folding strip 10 and a first rear folding strip 11 which are connected with each other in an axial mode, the front ends of the first front folding strips 10 are respectively connected with an axial connector 29 on the rear side of the object covering curtain frame 20 in an axial mode, the rear ends of the first rear folding strips 11 are respectively connected with a first connecting groove strip 14 in an axial mode, a first stretching spring 4 is arranged in the axial connector between the first front folding strips 10 and the first rear folding strips 11, and the first stretching bearing mechanism is in a stretching state after the first stretching spring 4 starts;

the extension limiting cross bar 13 is fixedly arranged at the rear side of the first connecting groove bar 14, the upper sides of the first connecting groove bar 14 and the extension limiting cross bar 13 are fixedly provided with a connecting hard plate 28, and a first curtain 27 is arranged between the connecting hard plate 28 and the first curtain winding pipe 26.

The stretching force of the first stretching spring 4 acting on the first stretching bearing mechanism is smaller than the driving torque force of the power driving mechanism 41 acting on the first curtain rolling pipe 26, and when the power driving mechanism 41 drives the first curtain rolling pipe 26 to rotate clockwise, the first curtain cloth 27 drives the first stretching bearing mechanism to retract. When the power driving mechanism 41 drives the first curtain tube 26 to rotate counterclockwise, that is, the first curtain tube 26 discharges the first curtain cloth 27, the first stretching bearing mechanism drives the first curtain cloth 27 to stretch backward under the action of the first stretching spring 4.

The stretching force of the first stretching spring 4 acting on the first stretching bearing mechanism is smaller than the driving torsion force of the electric driving mechanism 41 acting on the first curtain tube, when the electric driving mechanism 41 drives the first curtain tube 26 to rotate clockwise, the first curtain 27 drives the first stretching bearing mechanism to retract, and when the electric driving mechanism 41 drives the first curtain tube 26 to rotate counterclockwise, the first stretching bearing mechanism drives the first curtain 27 to stretch backwards under the action of the first stretching spring 4.

As shown in fig. 2: the angle C between the first front folded item 10 and the first back folded item 11 is less than 170 degrees.

As shown in fig. 2 to 7: the front side of the object covering curtain frame 20 is provided with a second extension bearing mechanism, the second extension bearing mechanism is composed of a plurality of groups of laterally symmetrical side V-shaped folding assemblies, each side V-shaped folding assembly is composed of a second front folding strip 38 and a second rear folding strip 39 which are connected in a shaft mode, the rear ends of the second rear folding strips 39 are connected in a shaft connection piece on the front side of the object covering curtain frame in a shaft mode respectively, the front ends of the second front folding strips 38 are connected in a second connection groove strip 30 in a shaft mode respectively, a second extension spring is also arranged in the shaft connection place between the second front folding strips 38 and the second rear folding strips 39, and the second extension spring enables the second extension bearing mechanism to be in an extension state all the time.

The second stretching bearing mechanism and the first stretching bearing mechanism arranged in front of and behind the object-covering curtain frame 22 have basically the same structural principle.

The first stretching and bearing mechanism not only can automatically stretch the first curtain cloth 27, but also can be used as a movable support for bearing, and more heavy objects can be placed on the first curtain cloth 27. When the first extension support means is folded under the drive of the electric drive means 41, it is completely hidden on the lower front side of the connecting rigid plate 28, so that the first extension support means occupies no other public space after folding.

The included angle C between the first front folding strip 10 and the first back folding strip 11 when fully extended is smaller than 170 degrees, and the smaller the included angle C between the first front folding strip 10 and the first back folding strip 11 is under the action of the first extension spring 4, the easier and more convenient the folding between the first front folding strip 10 and the first back folding strip 11 is. If the included angle C is greater than 170 degrees or equal to 180 degrees, the first front folded item 10 and the first back folded item 11 cannot be folded.

As shown in fig. 8, 12, and 13: a second roller blind pipe 36 is movably arranged at the front side in the object shielding curtain frame 20, one end of the second roller blind pipe 36 is fixedly provided with a shaft coupling sleeve 55, and a curtain pipe rotating shaft 51 is movably arranged in the shaft coupling sleeve 55; a plurality of limiting sliding strips 56 are fixedly arranged on the inner pipe wall of the second roller shutter tube 36, a limiting moving stressed piece 53 is arranged in the second roller shutter tube 36, a limiting sliding groove 57 correspondingly matched with the plurality of limiting sliding strips 56 is arranged on the limiting moving stressed piece 53, and a torsion spring 52 is arranged between the inner end of the shutter tube rotating shaft 51 and the limiting moving stressed piece 53; a second curtain cloth 37 is arranged between the second rolling curtain pipe 36 and the second connecting groove strip 30;

the outer end of the curtain tube rotating shaft 41 is fixedly arranged in the curtain frame cover 23 at one end of the object shielding curtain frame 20, and the other end of the second curtain tube 36 is movably connected in the curtain frame cover 23 at the other end of the object shielding curtain frame 20 in a shaft mode.

The torsion force of the torsion spring 52 acting on the second roller blind pipe 36 is smaller than the stretching force of the second stretching spring acting on the second stretching bearing mechanism, and the second stretching mechanism is always in a stretching state under the condition of no external force;

the front lower side of the article-covering curtain frame 20 is fixedly provided with a buckle which can buckle the second connecting groove 30 when the second extension bearing mechanism retracts.

Because the outer end of the curtain tube rotating shaft 51 is fixedly arranged at one end of the object shielding curtain frame 20, the torsion force of the interaction of the torsion spring 52 between the curtain tube rotating shaft 51 and the limiting movement stress piece 53 can be utilized to enable the torsion spring 52 to store energy when the second curtain cloth 37 is stretched, and the energy after energy storage is released when the second curtain cloth 37 is reset, so that the second curtain cloth 37 can be automatically recovered. Since the torsion spring 52 is extended or shortened when rotated, the stopper movement receiving member 53 is movable within the second shade tube 36, but cannot rotate within the second shade tube 36 due to the interaction of the stopper slide 56 and the stopper slide groove 57.

The second stretching support mechanism automatically stretches under the action of the second stretching spring, but under the adjusting movement of the rear seat 9, the second curtain cloth 37 can be automatically rotated and recovered by the second roller shutter pipe 36 or stretched by the second stretching support mechanism. While creating an opposing tension to the second curtain 37.

The second connecting channel 30 of the second extension bearing mechanism is tightly attached to the rear side of the seat back of the rear seat 9 of the automobile, and if the rear seat moves back and forth and the angle of the seat back is adjusted, the second extension bearing mechanism can also extend back and forth along with the second connecting channel. The arrangement of the second stretching bearing mechanism can make the adjustment of the back row seat 9 more convenient and safer for the automobile object covering curtain.

As shown in fig. 9: sleeve head extension springs 22 are respectively arranged between the left end and the right end of the object shielding curtain frame 20 and the left telescopic sleeve head 21 and between the left telescopic sleeve head extension spring 22 and the right telescopic sleeve head extension spring 22 respectively eject the left telescopic sleeve head and the right telescopic sleeve head outwards all the time.

The telescopic sleeve head 21 is movably sleeved at the left end and the right end of the object shielding curtain frame 20, and a limiting part is arranged between the telescopic sleeve head 21 and the object shielding curtain frame 2, namely the telescopic sleeve head 21 has a relative telescopic moving distance on the object shielding curtain frame 20 and is outwards popped out under the action of the sleeve head extension spring 22, but the telescopic sleeve head cannot pop out of the curtain frame 2. The arrangement facilitates the installation and the removal of the automobile object shading curtain in the automobile.

The above is to the detailed introduction that the utility model discloses carried out, it is right to have used specific individual example in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment is only used for helping to understand the utility model discloses a core thought, to the ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also be right the utility model discloses carry out a plurality of improvements, these improvements also fall into the protection scope of the utility model claims.

Claims

1. The utility model provides an electronic power contact device who hides thing curtain, sets up first roller shutter pipe, electric drive mechanism and first extension bearing mechanism, the guide rail spout in hiding the thing curtain frame, activity including hiding thing curtain frame, its characterized in that: one end of the first roller shutter pipe is provided with a driven wheel, the lower side of the same end of the object shielding curtain frame and the driven wheel is provided with an electric driving mechanism, the electric driving mechanism comprises a motor and a speed reducer, the speed reducer is connected with a driving wheel, and a transmission part is arranged between the driven wheel and the driving wheel;

2. The power supply contact device of the electric blind according to claim 1, wherein a first extension bearing mechanism is provided at the rear side of the blind frame, an extension limiting cross bar is fixedly provided at the rear side of the first extension bearing mechanism, limiting slide bar holes are respectively provided at the left and right ends of the extension limiting cross bar, a slide bar spring and a guide rail slide bar are respectively provided in the left and right limiting slide bar holes, a pulley is movably provided at the outer end of the guide rail slide bar, and the slide bar spring always ejects the guide rail slide bar outwards;

3. The power supply contact device of the electric blind according to claim 2, wherein the lower sides of the left and right ends of the extension limiting horizontal bar are respectively provided with a fastener moving groove, the lower side of the guide rail sliding bar is provided with a limiting fastener corresponding to the fastener moving groove, and the limiting fastener can move left and right in the fastener moving groove.

4. The power supply contact device of the electric blind according to claim 2, wherein said first extending support mechanism is composed of a plurality of sets of side V-shaped folding components symmetrically arranged left and right, said side V-shaped folding components are composed of a first front folding strip and a first rear folding strip which are connected with each other by a shaft, the front ends of said first front folding strip are respectively connected with the shaft of the rear side of said blind frame by a shaft, the rear ends of said first rear folding strip are respectively connected with the first connecting slot strip by a shaft, a first extending spring is arranged in the shaft between said first front folding strip and said first rear folding strip, said first extending spring always keeps said first extending support mechanism in the extending state;

5. The power source contacting device of claim 4, wherein said first extension spring exerts a lower extension force on said first extension support mechanism than said electric drive mechanism exerts on said first roller tube, said electric drive mechanism drives said first roller tube clockwise, said first curtain drives said first extension support mechanism to retract, and said electric drive mechanism drives said first roller tube counterclockwise, said first extension support mechanism drives said first curtain to extend rearward under the action of said first extension spring.

6. The electrical power source contacting device of claim 4, wherein said first front folding strip and said first back folding strip are disposed at an angle C less than 170 degrees.

7. The power supply contact device of an electric blind according to claim 1, wherein a second extension support mechanism is provided at the front side of the blind frame, the second extension support mechanism is composed of a plurality of sets of side V-shaped folding components symmetrically arranged left and right, the side V-shaped folding components are composed of a second front folding strip and a second rear folding strip which are coupled with each other, the rear ends of the second rear folding strips are respectively coupled with the coupling members at the front side of the blind frame, the front ends of the second front folding strips are respectively coupled with the second coupling groove strips, a second extension spring is also provided at the coupling position between the second front folding strip and the second rear folding strip, and the second extension spring always keeps the second extension mechanism in an extended state.

8. The power supply contact device of the electric blind according to claim 7, wherein a second roller blind tube is movably arranged at the front side in the blind frame, one end of the second roller blind tube is fixedly provided with a coupling sleeve, and a blind tube rotating shaft is movably arranged in the coupling sleeve; a plurality of limiting sliding strips are fixedly arranged on the inner pipe wall of the second roller shutter pipe, a limiting moving stressed piece is arranged in the second roller shutter pipe, a limiting sliding groove corresponding to the limiting sliding strips is arranged on the limiting moving stressed piece, and a torsion spring is arranged between the inner end of the rotating shaft of the shutter pipe and the limiting moving stressed piece; a second curtain cloth is arranged between the second roller shutter pipe and the second connecting groove strip;

9. The power source contacting device of claim 8, wherein said torsion spring exerts a torsion force on said second roller blind tube that is less than an extension force exerted by said second extension spring on said second extension support mechanism, said second extension mechanism being in an extended state in the absence of an external force;

10. The power supply contact device of an electric blind according to claim 1, wherein a blind extension spring is disposed between each of the left and right ends of the blind frame and the left and right retractable blinders, and the left and right retractable blinders always eject the retractable blinders at the left and right ends outward.