CN116215198A - Arc-shaped scroll and sunshade curtain for vehicle - Google Patents

Abstract

The invention provides an arc-shaped scroll and a sunshade curtain for a vehicle, which belong to the technical field of automobile parts and comprise the following components: the device comprises an arc-shaped base shaft which is bent into a preset radian, wherein at least two rotating supporting pieces are sleeved on the arc-shaped base shaft, and each rotating supporting piece is distributed along the arc-shaped axis of the arc-shaped base shaft; and the shaft sleeves are sleeved on the arc-shaped base shafts, each rotating support piece is positioned between the shaft sleeve and the arc-shaped base shaft, and the shaft sleeves can rotate relative to the arc-shaped base shafts through each rotating support piece while keeping a preset radian. The beneficial effects of the invention are as follows: an arc-shaped roller is provided, which is suitable for a position on a vehicle where a straight roller sunshade curtain cannot be installed, and a shaft sleeve rotates by rotating a supporting piece under the condition of keeping a preset radian, so that the shape of the sunshade curtain can be completely matched with the radian arrangement of the installation position.

Description

Arc-shaped scroll and sunshade curtain for vehicle

Technical Field

The invention belongs to the technical field of automobile parts, relates to an arc-shaped roller for a vehicle, and also relates to a sunshade curtain with the arc-shaped roller for the vehicle.

Background

The sun blind for the vehicle is installed in the vehicle body for sun shading and protecting the privacy in the vehicle, the roller is one of important parts of the sun blind for the vehicle, and most of the roller of the sun blind for the vehicle is straight, but the roller cannot be installed at a special position on the vehicle, such as a rear door of a SUV (speedometer vehicle) and the like.

There are therefore currently known sun shades having arc-shaped roller shafts, for example, an invention patent with application number CN202010189639.4, which discloses an arc-shaped roller manual sun shade for sunroof, which has an arc-shaped inner tube, but the arc-shaped roller shaft structure of the sun shade is unreasonable in design and is not smooth enough in rotation.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an arc-shaped scroll for a vehicle and a sunshade curtain.

The aim of the invention can be achieved by the following technical scheme: an arcuate spool for a vehicle comprising:

the device comprises an arc-shaped base shaft which is bent into a preset radian, wherein at least two rotating supporting pieces are sleeved on the arc-shaped base shaft, and each rotating supporting piece is arranged along the arc-shaped axis of the arc-shaped base shaft;

and the shaft sleeves are sleeved on the arc-shaped base shafts, the rotating support pieces are positioned between the shaft sleeves and the arc-shaped base shafts, and the shaft sleeves can rotate relative to the arc-shaped base shafts through the rotating support pieces while keeping a preset radian.

Preferably, the outer wall surface of the shaft sleeve is wound with a curtain cloth, one end of the curtain cloth is fixedly connected with the shaft sleeve, and the other end of the curtain cloth is provided with a cross brace.

Preferably, the device further comprises a first stress piece, a second stress piece and a reset torsion spring, wherein the first stress piece is sleeved on the arc-shaped base shaft and fixedly connected with the circumference of the arc-shaped base shaft, the second stress piece is sleeved on the arc-shaped base shaft and fixedly connected with the circumference of the shaft sleeve, the reset torsion spring is sleeved on the arc-shaped base shaft, and two ends of the reset torsion spring are respectively connected with the first stress piece and the second stress piece.

Preferably, the device further comprises a driving element, a driving gear is arranged on an output shaft of the driving element, a driven gear fixedly connected with the circumference of the shaft sleeve is sleeved on the shaft sleeve, and the driving gear is meshed with the driven gear for transmission.

Preferably, the driving element comprises a motor and a speed reducer, the speed reducer is connected with the motor, and the driving gear is connected with the speed reducer.

Preferably, the device further comprises a spreading mechanism, wherein the spreading mechanism comprises a grooved wheel, a clockwork spring and a traction cable, the grooved wheel is connected with the clockwork spring, one end of the traction cable is connected with the grooved wheel, and the other end of the traction cable is connected with the cross brace.

Preferably, the rotating support member is provided as a bearing, an inner ring of the bearing is connected with an outer wall surface of the arc-shaped base shaft, and an outer ring of the bearing is connected with an inner wall surface of the shaft sleeve.

Preferably, the arc-shaped base shaft is provided as an integral rigid member, and the shaft sleeve is provided as a flexible member having toughness and being bendable and deformable.

Still provide a sunshade screen, include automobile-used arc spool, still include the arc curtain frame, arc base shaft and axle sleeve are all installed in the arc curtain frame, and the radian of arc curtain frame with the radian of arc base shaft is unanimous.

Preferably, the arc curtain frame is provided with a transmission hole for the driving gear to be meshed with the driven gear.

Compared with the prior art, the invention has the beneficial effects that:

1. an arc-shaped roller is provided, which is suitable for a position on a vehicle where a straight roller sunshade curtain cannot be installed, and a shaft sleeve rotates by rotating a supporting piece under the condition of keeping a preset radian, so that the shape of the sunshade curtain can be completely matched with the radian arrangement of the installation position.

2. The first stress piece and the shaft sleeve keep relative rotation, and the second stress piece and the arc-shaped base shaft keep relative rotation; when the curtain cloth is pulled out, the shaft sleeve rotates, and the second stress piece rotates relative to the first stress piece, so that the reset torsion spring deforms to store force; when the curtain cloth is retracted, the shaft sleeve is driven to reversely rotate under the torsion action of the reset torsion spring, and the curtain cloth automatically retracts into the curtain frame under the rolling of the shaft sleeve.

3. The speed reducer can amplify the moment of torsion of motor, and the motor can drive the driving gear through the speed reducer and rotate, and the driving gear can drive the axle sleeve through driven gear and rotate, when in actual use, when needing to make the curtain cloth retract, motor drive driving gear rotates to roll the curtain cloth through the axle sleeve and retract automatically.

4. The motor can drive the shaft sleeve to rotate so as to automatically retract the curtain cloth, and the motor can also drive the shaft sleeve to reversely rotate so as to quantitatively release the curtain cloth, so that the curtain cloth is automatically unfolded under the torsion of the clockwork spring.

5. The sun-shading curtain is normally in an unfolding state, namely the curtain cloth needs to be kept in the unfolding state, and in the unfolding state, the spring pulls the curtain cloth to be unfolded completely, so that the spring is in a loose state, and is driven by the motor when the curtain cloth is wound, and the elasticity of the spring is not easy to be lost.

Drawings

Fig. 1 is a schematic structural view of an arc-shaped reel for a vehicle according to the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is an exploded view of a second embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 5 is a schematic diagram of the connection relationship between a driving gear and a driven gear according to the present invention.

Fig. 6 is an exploded view of the structure of a third embodiment of the present invention.

In the figure, 100, the arc-shaped base shaft; 200. a shaft sleeve; 210. a driven gear; 300. a cross brace; 400. a bearing; 510. a first force-bearing member; 520. a second force-bearing member; 530. a reset torsion spring; 540. a driving element; 541. a motor; 542. a speed reducer; 550. a drive gear; 610. a sheave; 620. a clockwork spring; 630. a traction cable; 700. an arc curtain frame; 710. and a transmission hole.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Embodiment one:

as shown in fig. 1 to 6, an arc-shaped reel for a vehicle includes: the device comprises an arc-shaped base shaft 100 and a bendable shaft sleeve 200, wherein the arc-shaped base shaft 100 is bent to a preset radian, at least two rotating supporting pieces are sleeved on the arc-shaped base shaft 100, and each rotating supporting piece is arranged along the arc-shaped axis of the arc-shaped base shaft 100; the shaft sleeve 200 is sleeved on the arc-shaped base shaft 100, each of the rotation support members is positioned between the shaft sleeve 200 and the arc-shaped base shaft 100, and the shaft sleeve 200 can rotate relative to the arc-shaped base shaft 100 while maintaining a predetermined arc through each of the rotation support members.

Since some curvature exists in certain locations of the vehicle, and the conventional roller shafts of the sun shades are generally straight, such sun shades cannot be fully matched to the mounting locations of the vehicle having curvature, and in this embodiment, an arc-shaped roller shaft is provided which is also capable of rolling or unrolling the shade while maintaining an arc shape.

In this embodiment, the arc-shaped base shaft 100 is bent into a predetermined arc, the arc-shaped base shaft 100 is sleeved with a plurality of rotation supporting members arranged along the arc-shaped axis of the arc-shaped base shaft 100, the shaft sleeve 200 adopts a flexible pipe structure capable of bending and deforming, the rotation supporting members are located between the shaft sleeve 200 and the arc-shaped base shaft 100 to support the shaft sleeve 200 to rotate relative to the arc-shaped base shaft 100, and since the shaft sleeve 200 is sleeved on the arc-shaped base shaft 100, the shaft sleeve 200 can still keep an arc shape when rotating, and it is important to say that the shaft sleeve 200 deforms when rotating on the arc-shaped base shaft 100 to keep an arc-shaped bending state, namely, the shaft sleeve 200 realizes the effect of rotating around the arc-shaped axis through self deformation.

An arc-shaped roller is provided, which is adapted to a position on a vehicle where a straight roller blind cannot be mounted, and the shaft sleeve 200 is rotated by rotating the support while maintaining a predetermined arc, so that the shape of the blind can be fully arranged in cooperation with the arc of the mounting position.

The outer wall surface of the sleeve 200 is wound with a curtain (not shown), one end of the curtain is fixedly connected with the sleeve 200, and the other end is provided with a cross brace 300.

The curtain is wound around the sleeve 200 which is maintained in an arcuate curved condition, tension is applied to the cross braces 300 to pull the curtain from the sleeve 200 as the curtain is unwound, the sleeve 200 rotates about the arcuate axis to release the curtain as the sleeve 200 rotates in a reverse direction about the arcuate axis to pull the curtain around.

Embodiment two:

as shown in fig. 1-3, this embodiment provides a scheme for manually expanding and automatically retracting a curtain on the basis of the first embodiment, the vehicular arc-shaped reel further includes a first stress member 510, a second stress member 520, and a reset torsion spring 530, where the first stress member 510 is sleeved on the arc-shaped base shaft 100 and is fixedly connected with the arc-shaped base shaft 100 in the circumferential direction, the second stress member 520 is sleeved on the arc-shaped base shaft 100 and is fixedly connected with the shaft sleeve 200 in the circumferential direction, the reset torsion spring 530 is sleeved on the arc-shaped base shaft 100, and two ends of the reset torsion spring 530 are respectively connected with the first stress member 510 and the second stress member 520.

It should be noted that, the first stress member 510 and the second stress member 520 are both configured as an annular structure, where the first stress member 510 and the shaft sleeve 200 keep rotating relatively, and the second stress member 520 and the arc-shaped base shaft 100 keep rotating relatively; when the curtain cloth is pulled out, the shaft sleeve 200 rotates, and the second stress piece 520 rotates relative to the first stress piece 510, so that the reset torsion spring 530 deforms to store force; when the curtain cloth is required to retract, the shaft sleeve 200 is driven to reversely rotate under the torsion action of the reset torsion spring 530, and the curtain cloth automatically retracts into the curtain frame under the rolling of the shaft sleeve 200.

Embodiment III:

as shown in fig. 1 and fig. 4-6, this embodiment provides a scheme for retracting the curtain fabric in an electric driving manner on the basis of the first embodiment, the vehicle arc-shaped reel further includes a driving element 540, a driving gear 550 is disposed on an output shaft of the driving element 540, a driven gear 210 fixedly connected with the circumference of the shaft sleeve 200 is sleeved on the shaft sleeve 200, and the driving gear 550 is meshed with the driven gear 210 for transmission.

The driving element 540 includes a motor 541 and a speed reducer 542, the speed reducer 542 is connected to the motor 541, and the driving gear 550 is connected to the speed reducer 542.

The speed reducer 542 can amplify the torque of the motor 541, the motor 541 can drive the driving gear 550 to rotate through the speed reducer 542, the driving gear 550 can drive the shaft sleeve 200 to rotate through the driven gear 210, and when the curtain cloth is required to be retracted in actual use, the motor 541 drives the driving gear 550 to rotate, so that the curtain cloth is automatically retracted by rolling the curtain cloth through the shaft sleeve 200.

Embodiment four:

as shown in fig. 1 and fig. 4-6, this embodiment provides a solution for automatically extending and retracting a curtain, and the arc-shaped reel for a vehicle further includes an unwinding mechanism, where the unwinding mechanism includes a sheave 610, a clockwork spring 620, and a traction cable 630, where the sheave 610 is connected to the clockwork spring 620, and one end of the traction cable 630 is connected to the sheave 610, and the other end is connected to the cross brace 300.

In the present embodiment, the motor 541 can drive the shaft sleeve 200 to rotate so as to retract the curtain automatically, and the motor 541 can also drive the shaft sleeve 200 to rotate reversely so as to release the curtain quantitatively, so that the curtain is automatically unwound under the torsion of the clockwork spring 620; and the sheaves 610 and the arc-shaped curtain frame 700 are respectively positioned at the upper and lower ends or the left and right ends of the window.

Specifically, the traction cable 630 is connected with the cross brace 300 on the curtain, the clockwork spring 620 applies a force for pulling out the curtain to the traction cable 630 through the grooved pulley 610, so that the curtain is always subjected to stretching tension, because the shaft sleeve 200 is linked with the output shaft of the speed reducer 542, the clockwork spring 620 cannot pull out the curtain through the traction cable 630 under the condition that the motor 541 does not rotate, and when the motor 541 drives the shaft sleeve 200 to rotate and release the curtain, the grooved pulley 610 winds the traction cable 630 under the action of the clockwork spring 620, the curtain is automatically unfolded under the pulling of the traction cable 630, and the motor 541 can also control the unfolding position of the curtain (namely, the curtain is in a fully opened or semi-opened position) to keep the curtain at the required unfolding position, namely, the aim of automatic stepless adjustment of the curtain is fulfilled, and when the curtain needs to retract, the motor 541 controls the shaft sleeve 200 to rotate and pulls the curtain to retract, and the clockwork spring 620 deforms and stores the force at the moment.

It should be noted that, since the shade is normally in the unfolded state, that is, the curtain needs to be kept in the unfolded state, in this state, the spring 620 pulls the curtain to be completely unfolded, so the spring 620 is in the loose state, and is driven by the motor 541 when the curtain is wound, so that the elasticity of the spring 620 is not easily lost.

Fifth embodiment:

as shown in fig. 1 to 6, this embodiment is a further limitation of the first embodiment, the rotation support member is provided as a bearing 400, an inner ring of the bearing 400 is connected to an outer wall surface of the arc-shaped base shaft 100, and an outer ring of the bearing 400 is connected to an inner wall surface of the sleeve 200.

It should be noted that, each bearing 400 is arranged along the arc axis of the arc-shaped base shaft 100, and the adjacent bearings 400 are spaced uniformly.

The arc-shaped base shaft 100 is provided as an integral rigid member, and the sleeve 200 is provided as a flexible member having toughness and being bendable and deformable.

Example six:

as shown in fig. 1 to 6, there is further provided a sunshade curtain, which comprises the arc-shaped roller for a vehicle, and further comprises an arc-shaped curtain frame 700, wherein the arc-shaped curtain frame 700 is installed with the arc-shaped base shaft 100 and the shaft sleeve 200, and the radian of the arc-shaped curtain frame 700 is consistent with that of the arc-shaped base shaft 100.

The radian of the arc curtain frame 700 is completely matched with the arc installation position of the vehicle body, so that the arc curtain frame can be completely matched with the installation position on the vehicle body, the arc base shaft 100 and the shaft sleeve 200 are positioned in the arc curtain frame 700, the arc base shaft 100 and the shaft sleeve 200 are arc-shaped, so that the whole sunshade curtain is compact in structure, the shaft sleeve 200 can rotate around an arc axis to be matched with the shape of the arc curtain frame 700, the arc curtain frame 700 is provided with a strip-shaped opening for a curtain to pass through, and therefore, the shaft sleeve 200 can wind the curtain into the arc curtain frame 700 or pull the curtain out of the arc bracket.

The arc-shaped curtain frame 700 is provided with a transmission hole 710 for the driving gear 550 to be meshed with the driven gear 210.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

Claims (10)

1. An arc-shaped reel for a vehicle, comprising:

the device comprises an arc-shaped base shaft (100) which is bent into a preset radian, wherein at least two rotating supporting pieces are sleeved on the arc-shaped base shaft (100), and each rotating supporting piece is arranged along the arc-shaped axis of the arc-shaped base shaft (100);

and the shaft sleeves (200) are flexibly deformed, the shaft sleeves (200) are sleeved on the arc-shaped base shafts (100), the rotating support pieces are positioned between the shaft sleeves (200) and the arc-shaped base shafts (100), and the shaft sleeves (200) can rotate relative to the arc-shaped base shafts (100) through the rotating support pieces while keeping a preset radian.

2. An arcuate spool for a vehicle as set forth in claim 1 wherein: the curtain cloth is wound on the outer wall surface of the shaft sleeve (200), one end of the curtain cloth is fixedly connected with the shaft sleeve (200), and the other end of the curtain cloth is provided with a cross brace (300).

3. An arcuate spool for a vehicle as claimed in claim 2, wherein: still include first atress spare (510), second atress spare (520) and reset torsion spring (530), first atress spare (510) cover is located arc base shaft (100) and with arc base shaft (100) circumference fixed connection, second atress spare (520) cover is located arc base shaft (100) and with axle sleeve (200) circumference fixed connection, reset torsion spring (530) cover establish with arc base shaft (100), and reset torsion spring (530) both ends respectively with first atress spare (510) with second atress spare (520) are connected.

4. An arcuate spool for a vehicle as claimed in claim 2, wherein: the novel gear box further comprises a driving element (540), a driving gear (550) is arranged on an output shaft of the driving element (540), a driven gear (210) fixedly connected with the circumference of the shaft sleeve (200) is sleeved on the shaft sleeve (200), and the driving gear (550) is meshed with the driven gear (210) for transmission.

5. An arcuate spool for a vehicle as defined in claim 4, wherein: the driving element (540) comprises a motor (541) and a speed reducer (542), the speed reducer (542) is connected with the motor (541), and the driving gear (550) is connected with the speed reducer (542).

6. An arcuate spool for a vehicle as defined in claim 4, wherein: the device further comprises a spreading mechanism, wherein the spreading mechanism comprises a grooved wheel (610), a clockwork spring (620) and a traction rope (630), the grooved wheel (610) is connected with the clockwork spring (620), one end of the traction rope (630) is connected with the grooved wheel (610), and the other end of the traction rope is connected with the cross brace (300).

7. An arcuate spool for a vehicle as set forth in claim 1 wherein: the rotary support is provided as a bearing (400), an inner ring of the bearing (400) is connected with an outer wall surface of the arc-shaped base shaft (100), and an outer ring of the bearing (400) is connected with an inner wall surface of the shaft sleeve (200).

8. An arcuate spool for a vehicle as set forth in claim 1 wherein: the arc-shaped base shaft (100) is arranged as an integral rigid piece, and the shaft sleeve (200) is arranged as a flexible piece which has toughness and can be bent and deformed.

9. A sunshade curtain, characterized by comprising the arc-shaped roller as claimed in any one of claims 1-8, and further comprising an arc-shaped curtain frame (700), wherein the arc-shaped base shaft (100) and the shaft sleeve (200) are both arranged in the arc-shaped curtain frame (700), and the radian of the arc-shaped curtain frame (700) is consistent with the radian of the arc-shaped base shaft (100).

10. A sunshade as recited in claim 9, wherein: the arc curtain frame (700) is provided with a transmission hole (710) for the driving gear (550) to be meshed with the driven gear (210).

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