TWM469213U - Lifting and descending type power sunshade curtain of side window - Google Patents

Description

Side window lift electric sunshade

The present invention relates to a sunshade, and more particularly to a side window lift type electric sunshade suitable for being mounted on a side window of a vehicle and electrically driving the curtain to lift and lower.

Generally, there are many types and types of sunshade, and the sunshade is traditionally installed on the side window of the vehicle. Some use the suction cup to hang the curtain on the inner side of the side window, and some use the track to match the slider to drive the curtain to unfold. And folding. In order to facilitate the handling and deployment of the curtains mounted on the side windows of the vehicle, the conventional sunshade also has an electric wire-wound design, which mainly winds a drawstring between two spaced ropings, the winding One of the rope seats is driven to rotate by a motor, and the sunshade further has a curtain that can be unfolded and folded, a linkage slider mounted on the rope, and an unfolded connection to the curtain. The support rod between the end and the linkage slider. When the motor drives one of the roping seats to rotate, the linkage slider can be driven to move up and down, and finally the curtain is engaged and deployed by the connection of the support rod.

Although the conventional electric sunshade can use the pull cord to indirectly drive the cord to be folded and unfolded, in order to prevent the pull cord from loosening and sliding, the influence is affected. The accuracy of the control, the rope must be wound around the rope-receiving seat several times, this structure and assembly restrictions, not only in the installation is more troublesome, the drawstring is also prone to winding problems, affecting the operation Smoothness.

The purpose of the present invention is to provide a side window lift type electric sunshade which is convenient, simple, and smooth to operate.

The electric sunshade of the present invention comprises a sunshade unit mounted on the vehicle, and a transmission device for driving the sunshade unit to expand and collapse. The sunshade unit includes a cord having an unfolded end, and the transmission includes: a base, a bead chain unit mounted on the base, an electric unit, and a support bar, the bead chain unit having a bead a bead sprocket driven by the electric unit, a bead chain movable by the bead sprocket, and a linkage slider that can be driven by the bead chain to reciprocate and elevate, the support bar being coupled to the linkage slider and the Between the unfolded ends of the curtain. When the electric unit drives the bead chain of the bead chain unit to move, the connecting rod can be lifted and lowered by the connection of the interlocking slider to drive the curtain to unfold and fold.

The utility model has the advantages that the movement of the interlocking slider by the bead chain can not only improve the problem of the winding failure caused by the pulling of the rope, but also improve the convenience during installation.

11‧‧‧Shading unit

111‧‧‧ reel

112‧‧‧ Cord

113‧‧‧ Expanding end

12‧‧‧Transmission

2‧‧‧Base

21‧‧‧ bottom wall

22‧‧‧ Room

23‧‧‧ Around the wall

231‧‧‧Through Department

24‧‧‧Guide room

241‧‧‧Assembly

25‧‧‧ 盖

26‧‧‧First shaft

27‧‧‧Second shaft

3‧‧‧Bead chain unit

30‧‧‧Expanding direction

31‧‧‧Bead sprocket

311‧‧‧Bead Chain Installation Department

312‧‧‧Meshing Department

313‧‧‧容珠槽

32‧‧‧Volute spring

321‧‧‧ fixed end

322‧‧‧ elastic end

33‧‧‧guide wheel

331‧‧‧ Guide ring

34‧‧‧Return seat

35‧‧‧return

351‧‧‧Return loop

36‧‧‧buffer block

37‧‧‧ linkage slider

370‧‧‧ rod slot

371‧‧‧

372‧‧‧ next door

373‧‧‧Slot wall

374‧‧‧First Passage

375‧‧‧second channel

38‧‧‧Bead chain

381‧‧‧ positioning beads

382‧‧‧Beads

383‧‧‧Connecting line

39‧‧‧Connected parts

391‧‧ ‧block

392‧‧‧Flexible parts

4‧‧‧Electric unit

41‧‧‧Motor

42‧‧‧Reducing gear

5‧‧‧Support rod

51‧‧‧ fixed end

52‧‧‧Driven

Other features and effects of the present invention will be apparent from the following description of the drawings, in which: 1 is a reference view of a state of use of a preferred embodiment of the present invention, in which the electric sunshade is in a folded position; FIG. 2 is a schematic view of a combination of the preferred embodiment, illustrating FIG. 3 is a top plan view of the preferred embodiment of the present invention, illustrating a meshing relationship between a bead sprocket and an electric unit of the electric sunshade; FIG. 4 is a Similar to the view of Fig. 1, the electric sunshade is in a deployed position; and Fig. 5 is a combined schematic view similar to Fig. 2 illustrating the relative relationship of the components of the electric sunshade transmission in the deployed position.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1, 2 and 3, a preferred embodiment of the present electric sunshade is adapted to be mounted inside a vehicle, particularly suitable for installation inside a side window of a vehicle, the electric sunshade comprising: a sunshade unit 11, and a drive The transmission unit 12 of the sunshade unit 11 is unfolded and folded. The sunshade unit 11 includes a reel 111 having a retracting force, and a piece of cord 112 wound on the reel 111, the cord 112 having an unfolded end 113. Since the reel 112 is driven by the reel 111 as a known technique, it will not be described in detail.

The transmission device 12 of the embodiment comprises: an upright extending base 2, a bead chain unit 3 mounted on the base 2, an electric unit 4 driving the bead chain unit 3, and a link unit in the bead chain unit. 3 and the A support rod 5 between the unfolded ends 113 of the curtain 112. The base 2 has a bottom wall 21, a surrounding wall 23 projecting from the bottom wall 21 and cooperating with the bottom wall 21 to define a chamber 22, and abutting the bottom wall 21 and defining a straight direction The cover wall 25 of the guide chamber 24 is extended. The base 2 also has a first axle 26 and a second axle 27 projecting from the bottom wall 21 into the chamber 22. The surrounding wall 23 has a through portion 231 which communicates with the chamber 22 and the guiding chamber 24, and the guiding chamber 24 has an assembly opening 241 adjacent to the bottom end.

The bead chain unit 3 of the present embodiment includes a bead sprocket 31 rotatably mounted on the first frame shaft 26 of the base 2, and a worm that imparts an elastic force to the bead sprocket 31 in a deployment direction 30. a spring 32, a guide wheel 33 rotatably mounted on the second shaft 27 of the base 2, a mounting portion 241 mounted on the base 2 and partially protruding into the guiding chamber 24 a return line 34, a return pulley 35 rotatably mounted on the return base 34, a buffer block 36 mounted on the return base 34 and projecting upward, and a guide slidably mounted on the base 2 A linking slider 37 in the chamber 24 and a bead chain 38 passing through the bead sprocket 31, the guiding wheel 33, and the reel 35.

The bead sprocket 31 has a bead chain erecting portion 311 located in the chamber 22 of the susceptor 2, and a coaxially disposed engaging portion 312 having a plurality of accommodating beads surrounding a center of rotation. a groove 313 having a fixed end 321 fixedly mounted on the first frame shaft 26 of the base 2 and an elastic force interposed on the bead chain erecting portion 311 of the bead sprocket 31 End 322, and the guide wheel 33 is located at the bead sprocket 31 The bottom end has a guide ring groove 331. The return pulley 35 is located below the guide wheel 33 and has a return loop groove 351.

The interlocking slider 37 of the embodiment is slidably mounted in the guiding chamber 24 of the base 2, and has two upper and lower parallel base walls 371, one upright partition wall 372, and one defining a slot 370. The slot wall 373 and a first passage 374 and a second passage 375 are separated by the partition 372 of the partition. The first passage 374 is interposed between the second passage 375 and the rod slot 370. The bead chain 38 of the embodiment has two positioning beads 381 positioned on opposite sides of the length and embedded on the interlocking slider 37, a plurality of bead 382 interposed between the positioning beads 381, and a plurality of respectively A connecting line 383 is connected between the adjacent positioning bead 381 and the bead 382. The bead 382 can be embedded in the bead groove 313 of the bead sprocket 31. Further, the bead chain unit 3 further has two coupling members 39 for mounting the positioning beads 381 on the base wall 371 of the interlocking slider 37. Each of the coupling members 39 has abutting against the positioning beads 381. A stopper 391, and an elastic member 392 which is supported between the stopper 391 and the base wall 371 of the interlocking slider 37, thereby coupling the positioning beads 381 to the interlocking slider 37 in an elastic manner.

In the embodiment, the electric unit 4 has a motor 41 mounted on the base 2, and a reduction gear 42 that is coupled to the meshing portion 312 of the shaft of the motor 41 and the bead sprocket 31 of the bead unit 3. In the preferred embodiment, the reduction gear 42 and the meshing portion 312 of the bead sprocket 31 are matched worm gears and worms. However, the form of the reduction gear 42 and the meshing portion 312 of the present invention are not particularly limited, as long as The shaft of the motor 41 and the bead sprocket 31 can be coupled to each other, and the bead sprocket 31 can be driven to rotate forward and reverse. It is suitable for use in this new type. The support rod 5 has a fixed end 51 which is inserted into the rod slot 370 of the interlocking slider 37, and a driving end 52 which protrudes from the base 2 and is coupled with the unfolding end 113 of the cord 112. In the preferred embodiment, the fixed end 51 of the support rod 5 can be coupled to the interlocking slider 37 by an element such as a latch, a snap, or the like.

When the electric sunshade of the present embodiment is in a folded position as shown in FIGS. 1 and 2, the curtain 112 of the sunshade unit 11 is mostly retracted on the reel 111, that is, the unfolded end 113 of the ply 112 is adjacent to the reel. 111. The interlocking slider 37 of the bead chain unit 3 of the transmission device 12 abuts against the buffer block 36.

Referring to Figures 3, 4 and 5, when the electric sunshade of the present embodiment is to be switched from the retracted position to a deployed position, the motor 41 will drive the reduction gear 42 to rotate and drive the meshing bead chain unit 3 The bead sprocket 31 rotates along the unfolding direction 30. At this time, the rotating bead sprocket 31 lifts the interlocking slider 37, and the fixed end 51 of the support bar 5 is inserted into the interlocking slider 37 in conjunction with each other. In the rod slot 370, the driving end 52 of the supporting rod 51 is coupled with the unfolding end 113 of the cord 112. Therefore, when the bead sprocket 31 of the bead unit 3 rotates along the unfolding direction 30, The support rod 5 can be moved up and thus the curtain 112 can be deployed. Since the bead chain unit 3 of the present embodiment further has a volute spring 32 that gives the bead sprocket 3 an upward movement in the unfolding direction 30, during the rotation of the bead sprocket 31 along the unfolding direction 30, The assistance of the scroll spring 32 allows the curtain 112 to be more labor-saving and smooth when deployed.

Conversely, when the curtain 112 is to be switched from the deployed position to the When the position of the motor 41 is reversely rotated, the interlocking slider 37 can be lowered by the bead chain 38 when the bottom edge of the interlocking slider 37 abuts against the buffer block 36. At the upper edge, the electric sunshade will switch to the collapsed position. Of course, in this embodiment, the deployment and folding of the curtain 112 can also be determined according to the area of the shade to be required, and is not limited to full deployment and complete folding.

It can be seen from the above description that in addition to the structural innovation, the electric sunshade of the present invention can also be engaged with the bead chain unit 3 and the electric unit 4 by the connection of the support rod 5 to drive the curtain 112 to be folded and unfolded. Due to the bead groove 313 of the bead sprocket 31 of the bead chain unit 3, the bead 382 of the bead chain 38 can be provided to be engaged and positioned. Therefore, when the present invention is installed, only the chain of the bead chain 38 is required. The bead 382 can be engaged in the equipotential bead groove 313 of the bead sprocket 31, and is not only simple and convenient to be installed, but also has no problem that the rope is not entangled when the bead 382 moves, so the present invention It is indeed a new and practical electric sunshade.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

12‧‧‧Transmission

2‧‧‧Base

21‧‧‧ bottom wall

22‧‧‧ Room

23‧‧‧ Around the wall

231‧‧‧Through Department

24‧‧‧Guide room

241‧‧‧Assembly

26‧‧‧First shaft

27‧‧‧Second shaft

3‧‧‧Bead chain unit

30‧‧‧Expanding direction

31‧‧‧Bead sprocket

313‧‧‧容珠槽

32‧‧‧Volute spring

321‧‧‧ fixed end

322‧‧‧ elastic end

33‧‧‧guide wheel

331‧‧‧ Guide ring

34‧‧‧Return seat

35‧‧‧return

351‧‧‧Return loop

36‧‧‧buffer block

37‧‧‧ linkage slider

370‧‧‧ rod slot

371‧‧‧

372‧‧‧ next door

373‧‧‧Slot wall

374‧‧‧First Passage

375‧‧‧second channel

38‧‧‧Bead chain

381‧‧‧ positioning beads

382‧‧‧Beads

383‧‧‧Connecting line

39‧‧‧Connected parts

391‧‧ ‧block

392‧‧‧Flexible parts

4‧‧‧Electric unit

5‧‧‧Support rod

51‧‧‧ fixed end

Claims (9)

A side window lift type electric sunshade, suitable for being mounted on a vehicle, and comprising: a sunshade unit installed inside the vehicle and including a cord having an unfolded end; and a transmission device for driving the curtain of the shading unit And folding, and comprising a base, a bead chain unit mounted on the base, an electric unit, and a support rod having a bead sprocket driven by the electric unit and rotating a bead chain that can be moved by the bead sprocket, and an interlocking slider that can be driven by the bead chain to reciprocate and elevate, the support bar is connected between the linking slider and the unfolded end of the ply; when the electric unit is driven When the bead chain of the bead chain unit moves, the support bar can be lifted and lowered by the connection of the interlocking slider to drive the curtain to be unfolded and folded. The side window lift type electric sunshade according to claim 1, wherein the base of the transmission has a bottom wall, a surrounding wall that defines a chamber together with the bottom wall, and a common wall A cover wall of the guide chamber is defined, and the linkage slider is slidably mounted in the guide chamber of the base. A side window lift type electric sunshade as claimed in claim 2, wherein the bead chain unit further has a volute spring that imparts a spring force to the bead sprocket in a deployment direction. A side window lift type electric sunshade as claimed in claim 3, wherein The bead sprocket of the bead chain unit has a bead chain erecting portion located in the cavity of the pedestal, and an engaging portion having a plurality of beading grooves disposed around a center, and the electric unit Having a motor and a reduction gear that is coupled to the motor and the meshing portion of the bead sprocket, the bead chain has a plurality of beads that can be inserted into the equal-receiving bead of the bead sprocket, and a plurality of A connecting line connecting two of the adjacent ones of the chain beads. The side window lift type electric sunshade according to claim 4, wherein the bead chain further has two positioning beads positioned on opposite sides of the length, and the bead chain unit further has two positioning of the bead chain The bead is mounted on the linkage slider. The side window lift type electric sunshade according to claim 5, wherein the base further has a first shaft protruding from the bottom wall into the housing and for inserting the bead sprocket, and a neighboring a first shaft and a second shaft protruding from the bottom wall, and the bead unit further has a return seat mounted on the base, a rotatably mounted on the return base and located at the base a return pulley in the guide chamber, and a guide wheel rotatably mounted on the second shaft, the bead chain passing through the guide wheel and the return pulley. The side window lift type electric sunshade according to claim 6, wherein the bead chain unit further has a buffer block mounted on the return line seat for the interlocking slider to abut. The side window lift type electric sunshade according to claim 1, wherein the bead chain unit further has one mounted on the base and when the electric When the sunshade curtain is in a folded position, the buffer block for the interlocking slider is abutted. The side window lift type electric sunshade according to claim 1, wherein the bead chain unit further has a volute spring that imparts a spring force to the bead sprocket in a deployment direction.