CN213413485U - Electric sun-shading curtain for vehicle skylight - Google Patents

Abstract

The utility model provides an electronic sunshade screen in automobile-used skylight belongs to automobile parts technical field, include: the curtain frame is provided with an outer end cover; the rolling curtain pipe is arranged in the curtain frame; the two guide rails are respectively arranged at two sides of the curtain frame; the brace is arranged between the two guide rails; one end of the curtain cloth penetrates through the curtain frame to be connected with the rolling curtain pipe, and the other end of the curtain cloth is connected with the stay; the traction wheel is connected with the roller shutter pipe in a linkage way; a first guide wheel arranged on the guide rail; one end of the traction rope is wound on the traction wheel, and the other end of the traction rope is folded back after passing through the first guide wheel and is connected with the brace; the electric driving assembly is arranged in the roller shutter pipe and is fixedly connected with the outer end cover, and an output shaft of the electric driving assembly is connected with the roller shutter pipe in a linkage manner. The utility model has the advantages that: the whole structure is ingenious and reasonable, and the curtain cloth can be driven to be pulled open or rolled up through the electric driving component.

Description

Electric sun-shading curtain for vehicle skylight

Technical Field

The utility model belongs to the technical field of automobile parts, a electronic sunshade screen in automobile-used skylight is related to.

Background

The dustproof and sunshade curtain is widely applied to the existing vehicles and comprises a curtain frame, a curtain cloth, a curtain rolling pipe and a torsion energy storage spring, wherein the torsion energy storage spring is arranged between the curtain rolling pipe and the curtain frame, the inner end of the curtain cloth is fixedly connected to the curtain rolling pipe, a limiting pull strip is fixedly connected to the outer side of the curtain cloth, the curtain cloth is wound on the cloth rolling pipe by the torsion energy storage spring all the time, namely, the curtain cloth is in an automatic retraction state all the time, and when the sunshade curtain is used in an extension mode, the sunshade curtain can be used only by being buckled at a specific buckling position after being stretched by hands, and the sunshade.

The existing vehicle is generally provided with a skylight, and because the position of the skylight is in a horizontal state, the shielding height can be randomly selected according to the requirement of the shielding area of the sun-shading curtain when the vehicle is used, so that the vehicle needs to randomly stay at different positions when the vehicle is extended, and a new problem is brought forward.

The utility model discloses a linkage formula hides sunroof sunshade screen entirely as patent No. 201920791711.3, though its structure seems reasonable, feasible, its coil spring sets up the innermost side at the shutter pipe (its be called the inner tube), the inboard of connecting piece promptly, the design of this kind of structure, the coil spring is very difficult to install go, also can't be fixed with the inner wall of shutter pipe, and the coil spring also can inwards move and break away from the pivot, cause the trouble and scrap, so this technical scheme can hardly really be implemented and applied.

However, the above-mentioned sun blind for a sunroof is of a manual structure, and is very inconvenient to use, so that there is room for improvement.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide an electronic sunshade screen in automobile-used skylight.

The purpose of the utility model can be realized by the following technical proposal: a sunroof power sunshade for a vehicle, comprising:

the two ends of the curtain frame are fixedly provided with outer end covers;

the rolling curtain tube is rotatably arranged in the curtain frame;

the number of the guide rails is two, and the two guide rails are respectively arranged on two sides of the curtain frame;

a cross frame disposed between the two guide rails;

a bar disposed between the two rails and movable along the rails;

one end of the curtain cloth penetrates through the curtain frame and is connected with the roller shutter pipe, and the other end of the curtain cloth is connected with the stay;

the traction wheel is in linkage connection with the roller shutter pipe;

a first guide wheel provided on the cross frame;

one end of the traction rope is wound on the traction wheel, and the other end of the traction rope is folded back after passing through the first guide wheel and is connected with the brace;

and the electric driving assembly is arranged in the roller shutter pipe, the electric driving assembly is fixedly connected with the outer end cover, and an output shaft of the electric driving assembly is in linkage connection with the roller shutter pipe.

Preferably, a driving force-bearing block is fixedly arranged in the roller shutter pipe, and an output shaft of the electric driving assembly is connected with the driving force-bearing block so as to drive the roller shutter pipe to rotate.

Preferably, the electric driving assembly comprises a shell, a motor and a speed reducer, the motor and the speed reducer are arranged in the shell, the motor is in linkage connection with the speed reducer, the speed reducer is in linkage connection with the driving stress block, and the shell penetrates through the traction wheel and then is fixedly connected with the outer end cover.

Preferably, an installation shaft and a fixing end are formed at the end of the housing, a bearing is arranged on the installation shaft and connected with the traction wheel, and the fixing end is arranged on the outer end cover in a penetrating manner so that the housing is kept static in the roller shutter tube.

Preferably, travel switches are arranged on the curtain frame and the cross frame, and the travel switches are electrically connected with the motor so as to control the motor to act.

Preferably, a single chip microcomputer is arranged in the shell and electrically connected with the motor so as to control the motor to act.

Preferably, a cavity is arranged in the brace, a second guide wheel and a tension spring are arranged in the cavity, and the traction rope penetrates through the cavity and passes through the second guide wheel to be connected with the tension spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the whole structure is ingenious and reasonable, and the curtain cloth can be driven to be pulled open or rolled up through the electric driving component.

2. One end and the outer end cover fixed connection of casing for the casing keeps static in the roller shutter pipe, and the output shaft of reduction gear is located the other end of casing, and the motor drives the output shaft rotation of reduction gear, is provided with the shaft hole on the terminal surface of drive atress piece, so the reduction gear can drive the rotation of drive atress piece, just so can drive roller shutter pipe positive and negative rotation through the motor.

3. The stay triggers the travel switch, and the travel switch can stop the motor to stop rotating, so that the roller shutter pipe stops rotating, and the telescopic travel of the sun-shading curtain is ensured.

Drawings

Fig. 1 is an exploded view of the electric sunshade of the vehicle skylight.

Fig. 2 is the structural schematic diagram of the electric sun-shading curtain for the vehicle skylight.

Fig. 3 is a schematic view of the connection relationship between the roller blind tube and the electric driving assembly of the present invention.

Fig. 4 is an exploded view of the roller blind tube and the electric driving assembly of the present invention.

Fig. 5 is a partial sectional view of the electric drive unit according to the present invention.

Fig. 6 is a schematic structural view of a brace according to the present invention.

In the figure, 100, curtain rods; 110. an outer end cover; 120. a roller blind tube; 121. driving the stressed block; 200. a guide rail; 300. bracing; 310. a cord fabric; 320. a cavity; 330. a second guide wheel; 340. a tension spring; 400. a traction wheel; 410. a hauling rope; 500. a first guide wheel; 600. an electric drive assembly; 610. a housing; 611. installing a shaft; 612. fixing the end head; 613. a bearing; 620. a motor; 630. a speed reducer; 700. a cross frame; 800. a travel switch.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4, 5, and 6, a sunroof electric sunshade for a vehicle includes: the curtain frame 100, the roller blind tube 120, the stay 300, the curtain 310, the traction wheel 400, the first guide wheel 500, the traction rope 410 and the electric driving assembly 600 are also adopted in some of the sun blinds in the prior art, but all the sun blinds are manual sun blinds, that is, although the structures of the sun blinds are similar, a user can only pull the curtain 310 to move through the stay 300, so that the operation is inconvenient, and in the present embodiment, the electric driving assembly 600 is provided, and the curtain 310 is controlled to automatically open or close in an electric manner.

Wherein, the curtain frame 100 is fixedly provided with outer end caps 110 at both ends; in the actual structure, the curtain frame 100 is a long transverse tubular structure, the two ends of the curtain frame 100 are provided with the outer end caps 110, the outer end caps 110 are actually two end caps of the curtain frame 100, and the curtain frame 100 and the outer end caps 110 are kept still in the whole structure.

A roller shutter tube 120 rotatably disposed within the shutter frame 100; the roller blind tube 120 is a roller blind tube, the roller blind tube 120 can roll up the curtain cloth 310, and the curtain cloth 310 can also be pulled out from the roller blind tube 120, in the existing roller blind with similar structure, a person is usually required to pull out the curtain cloth 310 manually, and in the embodiment, the roller blind tube 120 is driven to rotate forwards and backwards in an active mode, so that the curtain cloth 310 is pulled out or rolled up.

Two guide rails 200, and the two guide rails 200 are respectively arranged at two sides of the curtain frame 100; preferably, a strip-shaped groove is formed in the guide rail 200, and one end of the guide rail 200 is connected to a side portion of the curtain rail 100.

In addition, a cross frame 700 is further arranged at the tail end of the guide rail 200, the cross frame 700 and the curtain frame 100 are positioned at two ends of the guide rail 200, the whole sunshade curtain frame comprises the two guide rails 200, the curtain frame 100 and the cross frame 700, the two guide rails 200, the curtain frame 100 and the cross frame 700 are enclosed to form a square frame structure, the cross frame 700 and the curtain frame 100 are arranged oppositely, and the stay 300 can move between the cross frame 700 and the curtain frame 100.

A bar 300 disposed between two of said rails 200, and said bar 300 is movable along said rails 200; preferably, the brace 300 is a cross-bar structure, and both ends of the brace 300 are inserted into the bar-shaped grooves of the guide rail 200, so that the brace 300 can move along the bar-shaped grooves of the guide rail 200.

A curtain 310 having one end connected to the shade tube 120 through the shade frame 100 and the other end connected to the stay 300; preferably, curtain 310 is wound on roller tube 120 at one end and fixed to pull-out bar 300 at the other end, and curtain 310 can be retracted when roller tube 120 is rotated and curtain 310 can be pulled out when pull-out bar 300 is pulled.

A traction wheel 400 which is linked to the shade tube 120; a first guide wheel 500 provided on the guide rail 200; a traction rope 410, one end of which is wound around the traction wheel 400 and the other end of which is folded back after passing through the first guide wheel 500 and connected to the bar 300.

Preferably, the traction wheel 400 and the first guide wheel 500 are respectively located at both ends of the guide rail 200, and the traction wheel 400 is connected to the shade tube 120, and when the shade tube 120 rotates, the traction wheel 400 is driven to rotate, and the first guide wheel 500 enables the traction rope 410 to be folded 360 degrees and then connected to the pull strip 300.

The pull bar 300, the pull rope 410 and the curtain tube 120 form a linkage structure, and particularly, when the curtain 310 is pulled out by the pull bar 300, the pull wheel 400 rotates, so that the pull rope 410 is wound up, and when the curtain 310 is pushed back by the pull bar 300, the pull rope 410 pulls the pull wheel 400 to rotate, so that the curtain tube 120 rotates, and the curtain 310 can be wound up when the curtain tube 120 rotates, that is, the curtain tube 120, the pull bar 300 and the pull rope 410 are linked, so that the curtain 310 can be pulled out and retracted by driving the curtain tube 120.

And an electric driving assembly 600 disposed inside the roller blind pipe 120, wherein the electric driving assembly 600 is fixedly connected to the outer end cover 110, and an output shaft of the electric driving assembly 600 is coupled to the roller blind pipe 120 in an interlocking manner.

Preferably, the electric driving structure can drive the roller blind tube 120 to rotate, and as is known from the above description, since the roller blind tube 120, the pull rod 300 and the pulling rope 410 are linked, when the roller blind tube 120 is driven to rotate forward and backward, the curtain cloth 310 can be pulled out or retracted, specifically, when the electric driving assembly 600 drives the roller blind tube 120 to rotate forward, the roller blind tube 120 winds up the curtain cloth 310, the traction wheel 400 rotates and releases the pulling rope 410, and when the roller blind tube 120 rotates backward, the traction wheel 400 is driven to rotate and winds up the pulling rope 410, so that the pulling rope 410 pulls the pull rod 300, and finally the curtain cloth 310 is pulled out through the pull rod 300; the integral structure is ingenious and reasonable, and the curtain cloth 310 can be driven to be pulled open or rolled up through the electric driving component 600.

As shown in fig. 1, 3 and 4, in the above embodiment, a driving force receiving block 121 is fixedly disposed in the rolling tube 120, and an output shaft of the electric driving unit 600 is connected to the driving force receiving block 121 to drive the rolling tube 120 to rotate.

Preferably, a cylindrical driving force-receiving block 121 is arranged in the roller shutter pipe 120, and then a pin is inserted into the roller shutter pipe 120, so that the pin penetrates into the driving force-receiving block 121, the driving force-receiving block 121 and the roller shutter pipe 120 can be fixed together, the electric driving assembly 600 can drive the driving force-receiving block 121 to rotate, and when the electric driving assembly rotates, the whole roller shutter pipe 120 can be driven to rotate.

As shown in fig. 1, 3, 4, and 5, on the basis of the above embodiment, the electric driving assembly 600 includes a housing 610, a motor 620, and a speed reducer 630, the motor 620 and the speed reducer 630 are both disposed in the housing 610, the motor 620 is linked with the speed reducer 630, the speed reducer 630 is linked with the driving force-receiving block 121, and the housing 610 is fixedly connected with the outer end cover 110 after passing through the traction wheel 400.

Preferably, the diameter of the housing 610 is smaller than the inner diameter of the rolling shutter pipe 120, so that the electric driving assembly 600 is not affected when the rolling shutter pipe 120 rotates, one end of the housing 610 is fixedly connected with the outer end cap 110, so that the housing 610 remains stationary in the rolling shutter pipe 120, the output shaft of the speed reducer 630 is located at the other end of the housing 610, the motor 620 drives the output shaft of the speed reducer 630 to rotate, a shaft hole is formed in the end face of the driving force-receiving block 121, so that the speed reducer 630 can drive the driving force-receiving block 121 to rotate, and thus the rolling shutter pipe 120 can be driven to rotate forward and backward by the motor 620.

As shown in fig. 1, 3, 4 and 5, in addition to the above embodiment, a mounting shaft 611 and a fixing head 612 are formed at an end of the housing 610, a bearing 613 is provided on the mounting shaft 611, the bearing 613 is connected to the traction wheel 400, and the fixing head 612 is inserted into the outer end cover 110 to keep the housing 610 stationary in the shade tube 120.

Preferably, the mounting shaft 611 is actually a tubular structure at the end of the housing 610, the fixing end 612 is integrally connected to the mounting shaft 611, since the housing 610 needs to pass through the traction wheel 400 and then be connected to the outer end cap 110, the mounting shaft 611 is especially configured to pass through the traction wheel 400, the traction wheel 400 needs to rotate, the housing 610 needs to be kept stationary, a bearing 613 is further configured to allow the traction wheel 400 to be sleeved on the bearing 613, so that the traction wheel 400 can smoothly rotate, and the fixing end 612 is a square end structure and can be inserted into the outer end cap 110, so that the outer end cap 110 fixes the housing 610 and prevents the housing 610 from rotating.

As shown in fig. 1, 3, 4 and 5, in the above embodiment, the curtain frame 100 and the cross frame 700 are provided with the travel switches 800, and the travel switches 800 are electrically connected to the motor 620.

Preferably, the electric sunshade further has a stroke limiting structure, and since the motor 620 can drive the roller blind tube 120 to wind the curtain cloth 310 through the speed reducer 630, once the curtain cloth 310 is wound, the motor 620 continues to rotate, which may damage the motor 620, the curtain cloth 310, the roller blind tube 120, and other components, the stroke limiting structure is required.

The two travel switches 800 are respectively arranged on the curtain frame 100 and the cross frame 700, when the curtain cloth 310 is rolled up on the curtain rolling tube 120, the pull rod 300 is also close to or abutted against the curtain frame 100, at the moment, the pull rod 300 triggers the travel switches 800, and the travel switches 800 stop the motor 620, so that the rotation of the curtain rolling tube 120 is stopped, and the reliability of the automatic rolling of the sun-shading curtain is ensured.

When the curtain 310 is completely pulled, the pulling bar 300 is abutted against the cross frame 700, and a travel switch 800 can also be arranged on the cross frame 700, when the pulling bar 300 is abutted against the travel switch 800, the motor 620 stops rotating, so that the rolling shutter pipe 120 stops rotating after the curtain 310 is pulled.

As shown in fig. 1, 3, 4 and 5, in addition to the above embodiments, a single chip microcomputer (not shown) is disposed in the housing 610, and the single chip microcomputer is electrically connected to the motor 620 to control the operation of the motor 620.

It should be noted here that the single chip microcomputer is a component for electronically controlling the stroke (number of revolutions) of the motor, so the single chip microcomputer also plays a role of stroke limitation, and in an actual structure, if the single chip microcomputer is used for limitation, the single chip microcomputer controls the number of revolutions of the motor 620 to control the telescopic stroke of the curtain cloth. In this case, a travel switch is not required.

Specifically, once the motor 620 rotates to a certain number of turns, the curtain is completely pulled open or completely wound up, and at the moment, the single chip microcomputer stops the motor 620 from rotating according to the number of turns of the motor 620, so that the travel of the curtain is ensured to be within a set range.

As shown in fig. 1 and 6, on the basis of the above embodiment, a cavity 320 is disposed in the brace 300, a second guide pulley 330 and a tension spring 340 are disposed in the cavity 320, and the pulling rope 410 is inserted into the cavity 320 and connected to the tension spring 340 through the second guide pulley 330.

Preferably, tension spring 340 is capable of applying tension to pull cord 410 such that pull cord 410 is tensioned, which enables pull strip 300 to stay in any position on track 200.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. An electric sun blind for a vehicle sunroof, comprising:

the two ends of the curtain frame are fixedly provided with outer end covers;

the rolling curtain tube is rotatably arranged in the curtain frame;

the number of the guide rails is two, and the two guide rails are respectively arranged on two sides of the curtain frame;

a cross frame disposed between the two guide rails;

a bar disposed between the two rails and movable along the rails;

one end of the curtain cloth penetrates through the curtain frame and is connected with the roller shutter pipe, and the other end of the curtain cloth is connected with the stay;

the traction wheel is in linkage connection with the roller shutter pipe;

a first guide wheel provided on the cross frame;

one end of the traction rope is wound on the traction wheel, and the other end of the traction rope is folded back after passing through the first guide wheel and is connected with the brace;

and the electric driving assembly is arranged in the roller shutter pipe, the electric driving assembly is fixedly connected with the outer end cover, and an output shaft of the electric driving assembly is in linkage connection with the roller shutter pipe.

2. The motorized sun shade for vehicle skylights of claim 1, characterized in that: the roller shutter tube is internally and fixedly provided with a driving stress block, and an output shaft of the electric driving assembly is connected with the driving stress block so as to drive the roller shutter tube to rotate.

3. The motorized sun shade for vehicle skylights of claim 2, characterized in that: the electric drive assembly comprises a shell, a motor and a speed reducer, the motor and the speed reducer are all arranged in the shell, the motor is in linkage connection with the speed reducer, the speed reducer is in linkage connection with the driving stress block, and the shell penetrates behind the traction wheel and is fixedly connected with the outer end cover.

4. The motorized sun shade for vehicle skylights of claim 3, characterized in that: the end of the shell is provided with an installation shaft and a fixed end, the installation shaft is provided with a bearing, the bearing is connected with the traction wheel, and the fixed end is arranged on the outer end cover in a penetrating mode so that the shell keeps static in the roller shutter pipe.

5. The motorized sun shade for vehicle skylights of claim 3, characterized in that: the curtain frame and the transverse frame are both provided with travel switches, and the travel switches are electrically connected with the motor so as to control the motor to act.

6. The motorized sun shade for vehicle skylights of claim 3, characterized in that: the shell is internally provided with a single chip microcomputer which is electrically connected with the motor so as to control the motor to act.

7. The motorized sun shade for vehicle skylights of claim 1, characterized in that: the pull rope is characterized in that a cavity is arranged in the pull strip, a second guide wheel and a tension spring are arranged in the cavity, and the pull rope penetrates through the cavity and passes through the second guide wheel and the tension spring.

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