CN216231983U

CN216231983U - Back seat shade

Info

Publication number: CN216231983U
Application number: CN202122638877.1U
Authority: CN
Inventors: 林永清; 颜鸿名; 陈威廷
Original assignee: Kunshan Huangtian Auto Parts Industrial Co ltd
Current assignee: Kunshan Huangtian Auto Parts Industrial Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-08
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a rear seat back curtain which is used for being arranged between a rear seat of a motor vehicle and a clothes tree behind the rear seat, and comprises a fixed frame, a folding cloth curtain supporting mechanism arranged on the fixed frame and a cloth curtain connected between the fixed frame and the folding cloth curtain supporting mechanism, wherein the fixed folding cloth curtain supporting mechanism pushes a movable side rod connected with the cloth curtain to the rear seat back by utilizing two folding supporting components under the elastic action of an elastic part, so that the cloth curtain provides a shielding effect between the rear seat and the clothes tree, and when the angle of a rear seat back is changed, the movable side rod can drive the two folding supporting components to adaptively fold the cloth curtain, and the cloth curtain maintains the shielding effect between the rear seat and the clothes tree.

Description

Back seat shade

Technical Field

The present invention relates to a blind, and in particular to a rear seat back blind which can be installed in a motor vehicle to provide a screening purpose between a rear seat and a hatrack behind the rear seat.

Background

In motor vehicles, in order to achieve the purpose of shading sun or shading objects, there are known related products such as a sun shading curtain and an object shading curtain, wherein the sun shading curtain can be installed at the window of the motor vehicle for shading sun, and the object shading curtain can be installed at the rear storage space of the motor vehicle for shading objects.

In some current motor vehicles, in order to meet the requirement of a user for hanging clothes, a clothes rack is arranged in a vehicle interior space behind a rear seat of the motor vehicle, so that the user can hang the clothes on the clothes rack, and the problem that the clothes are easily folded when being randomly placed on the vehicle interior space or the seat is solved.

In the motor vehicle, the coat hanger provided in the vehicle interior space behind the rear seat can be used to provide a function for a user to hang a coat. However, since the rear seat is required to be able to adjust the tilt angle of the seat back forward and backward in accordance with the sitting posture preferred by the occupant, the clothes tree provided behind the rear seat must be spaced apart from the rear seat by a predetermined distance, and a space between the rear seat back and the clothes tree must be covered with an appropriate curtain.

Although the conventional sunshade curtain or the sunshade curtain has a shielding function, the manual sunshade curtain or the electric sunshade curtain or the sunshade curtain is required to be operated by a driver or a user when the cloth curtain is unfolded or folded, so that it is difficult to automatically maintain the shielding function according to the angle adjustment of the back of the rear seat when the conventional sunshade curtain is directly applied to the space between the back of the rear seat and the hat rack, and it is necessary to think again to create a more practical sunshade curtain product.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a rear seat back curtain is provided to solve the problem of a practical shielding object that the space between a rear seat and a clothes tree behind the rear seat in an existing motor vehicle is not enough.

The technical solution proposed by the utility model is as follows: provided is a rear seat back curtain for being installed at the rear of a rear seat back, comprising:

a fixed mount;

the two opposite side edges of the cloth curtain are respectively a connecting edge and a movable edge, and the connecting edge is connected with the fixed frame; and

a folding cloth curtain supporting mechanism, it installs in this mount and connects the activity limit of this cloth curtain, and this folding cloth curtain supporting mechanism includes:

the movable side rod is positioned at the outer side of the fixed frame and is connected with the movable side of the cloth curtain;

two folding supporting components which are oppositely arranged on two sides of the fixed frame and are commonly connected with the movable side rod; and

one or two elastic parts, which are arranged in the fixed mount and can provide elasticity for the two folding supporting components, so that the two folding supporting components can extend by means of the elasticity and push the movable side rod away from the fixed mount, the movable side rod is kept to abut against the back of the back seat and unfold the cloth curtain, and the angle change of the back seat can drive the movable side rod, so that the two folding supporting components can adaptively fold the cloth curtain.

In the above rear seat back curtain, the fixing frame has a frame bar transversely disposed, the frame bar has a sliding groove therein, the sliding groove forms a notch in the frame bar, and a sliding rail is disposed in the sliding groove; the two folding supporting components are oppositely arranged on the left side and the right side of the frame rod, each folding supporting component respectively comprises a sliding arm and an auxiliary supporting arm, two ends of the sliding arm are respectively a group of connecting ends and a sliding end, the sliding end of the sliding arm extends into the frame rod through the notch of the frame rod, the sliding end of the sliding arm is pivoted with a sliding piece, the sliding piece is arranged on a sliding rail in the frame rod, the elastic part is positioned in the frame rod and is abutted against the sliding piece, two ends of the auxiliary supporting arm are respectively a pivoting end and a connecting end, the pivoting end of the auxiliary supporting arm is pivoted on the fixing frame, and the connecting end of the auxiliary supporting arm is pivoted with the middle section of the sliding arm.

In the above rear seat back curtain, the fixing frame has two frame rods which are vertically arranged and oppositely arranged left and right, each of the two frame rods has a sliding slot, the sliding slot forms a slot on the frame rod, and a sliding rail is arranged in each sliding slot; the two folding type supporting components are respectively arranged on the two frame rods and are oppositely arranged, each folding type supporting component respectively comprises a sliding arm and an auxiliary supporting arm, two ends of the sliding arm are respectively a group of connecting ends and a sliding end, the sliding end of the sliding arm extends into the frame rods through the notches of the frame rods, the sliding ends of the sliding arms are respectively pivoted with a sliding piece, the sliding pieces are arranged on the sliding rails in the frame rods, the two frame rods are respectively provided with an elastic part, the elastic parts are abutted against the sliding pieces, two ends of the auxiliary supporting arm are respectively a pin-joint end and a connecting end, the pin-joint end of the auxiliary supporting arm is pivoted on the fixing frame, and the connecting end of the auxiliary supporting arm is pivoted with the middle section of the sliding arm.

In the above-mentioned back seat back curtain, the fixing frame has a cloth curtain connecting rod between the top ends of the two frame rods, and the connecting edge of the cloth curtain is connected to the cloth curtain connecting rod.

In the back seat back blind as described above, the fixing frame is provided with a cloth curtain retractor, the cloth curtain retractor is connected with the connecting edge of the cloth curtain, and the cloth curtain retractor can automatically retract the cloth curtain and release the cloth curtain.

In the rear seat back curtain, a cloth curtain retractor is arranged below the sliding groove of the rack rod of the fixing frame, the cloth curtain bypasses the top of the rack rod, and the connecting edge of the cloth curtain is connected with the cloth curtain retractor.

In the back seat shade described above, a cloth curtain retractor is disposed between the top ends of the two frame rods of the fixing frame, and the connecting edge of the cloth curtain is connected to the cloth curtain retractor.

In the above-mentioned back seat shade, the auxiliary support arms of the two foldable support assemblies are respectively pivoted with a slide block at the pivoting end, and the slide blocks are arranged on the slide rails.

In the above-mentioned back seat shade, the middle sections of the auxiliary support arms of the two foldable support assemblies are respectively provided with an elastic auxiliary member, and the elastic auxiliary members can be abutted against the frame rods.

In the above-mentioned back seat shade, the auxiliary support arms of the two foldable support assemblies are respectively pivoted with a slide block at the pivoting end, and the slide blocks are arranged on the slide rails, and the middle sections of the auxiliary support arms of the two foldable support assemblies are respectively provided with an elastic auxiliary component which can be abutted against the frame rod.

The utility model has the advantages that the rear seat back curtain can be arranged between a rear seat and a hat rack behind the rear seat in a motor vehicle, wherein the fixed frame is arranged at the position close to the hat rack, the movable side rod is pushed to abut against the rear seat back by the extension of the folding cloth curtain supporting mechanism, and meanwhile, the cloth curtain can be stretched and unfolded from the fixed frame to the rear seat back to provide a shielding function for the space between the rear seat back and the hat rack; when the passenger sitting on the back seat adjusts the inclination angle of the back seat, the force of the back seat pushing against the movable side rod is utilized, the movable side rod drives the two folding supporting components which are applied with elasticity in the folding cloth curtain supporting mechanism to automatically fold relatively, and the movable side rod drives the cloth curtain to automatically and adaptively fold to appropriately reduce the shielding area according to the change of the distance between the back seat back and the hat rack, so that the cloth curtain continuously provides the shielding function between the back seat back of the back seat and the hat rack.

The folding cloth curtain supporting mechanism can further be provided with an elastic auxiliary component at the middle section of the auxiliary supporting arms of the two folding supporting components respectively, and the elastic auxiliary component can be abutted against the frame rod to provide auxiliary elastic force for the auxiliary supporting arms respectively, so that the two folding supporting components are kept in an extending state, and dead spots generated by the folding action of the two folding supporting components can be avoided.

Drawings

Fig. 1 is a schematic perspective view of a first preferred embodiment of the rear seat back curtain of the present invention.

Fig. 2 is a schematic side plan view of a first preferred embodiment of the rear seat back curtain of fig. 1.

FIG. 3 is a schematic top cross-sectional view taken along section line A-A of FIG. 2.

Fig. 4 is a schematic perspective view of the first preferred embodiment of the rear seat back covering of fig. 1 being collapsed.

Fig. 5 is a schematic top cross-sectional view of the first preferred embodiment of the rear seatback shade shown in fig. 1 being collapsed.

Fig. 6 is a schematic perspective view of a second preferred embodiment of the rear seat back curtain of the present invention.

Fig. 7 is a side plan view of a second preferred embodiment of the rear seat back curtain of fig. 6.

Fig. 8 is a schematic perspective view of a third preferred embodiment of the rear seat back blind of the present invention.

Fig. 9 is a schematic side plan view of a third preferred embodiment of the rear seatback shade shown in fig. 8.

Description of reference numerals:

10: fixing frame

11A: hack lever

11B: hack lever

12: sliding chute

121: notch opening

13: sliding rail

14: cloth curtain connecting rod

15: cloth curtain winding apparatus

151: cloth curtain scroll

20: cloth curtain

21: connecting edge

22: movable edge

30: folding cloth curtain supporting mechanism

31: folding type supporting component

311: slide arm

3111: connecting end

3112: sliding end

3113: sliding member

312: auxiliary supporting arm

3121: pin joint end

3122: connecting end

3123: sliding block

32: movable side rod

33: elastic component

331: fixing piece

34: an elastic auxiliary member.

Detailed Description

The technical means adopted by the utility model to achieve the predetermined purpose of the utility model will be further described below with reference to the accompanying drawings and preferred embodiments of the utility model.

Referring to fig. 1, 6 and 8, preferred embodiments of the rear seat back cover of the present invention are disclosed, and it can be seen from these drawings that the rear seat back cover of the present invention includes a fixed frame 10, a cloth cover 20 and a folding cloth cover supporting mechanism 30. Wherein:

the fixing frame 10 is used for being installed behind a rear seat in a motor vehicle, as shown in fig. 1, 6 and 8, in a preferred embodiment, the fixing frame 10 has at least one sliding slot 12 along a length direction, the sliding slot 12 is formed with a slot 121 on one side of the fixing frame 10, and the fixing frame 10 may further have a sliding rail 13 extending along the length direction on an inner side slot wall of the sliding slot 12.

As shown in fig. 1, 6 and 8, the fixing frame 10 includes at least one

frame bar

11A, 11B, wherein as shown in fig. 1 to 3, the fixing frame 10 has a frame bar 11A, the frame bar 11A is transversely disposed, the sliding slot 12 is disposed on the frame bar 11A, and the slot 121 is formed on one side of the frame bar 11A. As shown in fig. 6 to 9, in the preferred embodiment, the fixing frame 10 has two frame rods 11B, the two frame rods 11B are vertically arranged and oppositely arranged left and right, the two frame rods 11B are respectively provided with one sliding slot 12, and each sliding slot 12 forms the notch 121 on one side of the frame rod 11B.

As shown in fig. 1, 6 and 8, in the preferred embodiment, a curtain connecting rod 14 is installed in the fixing frame 10 or a curtain 20 retractor 15 is installed in the fixing frame 10, as shown in fig. 1 to 2 and 6 to 7, the curtain retractor 15 includes a curtain reel 151 and a winding component installed in the curtain reel 151, the curtain retractor 15 is provided with an object for automatically winding the curtain 20 on the curtain reel 151 and for pulling out and unwinding the curtain 20 from the curtain reel 151, the curtain retractor 15 is an existing product, and the specific structure thereof is not described herein again. As shown in fig. 1 to 2, in the first preferred embodiment, the fixing frame 10 is provided with a curtain retractor 15 inside the frame bar 11A and below the sliding groove 12. As shown in fig. 6 to 7, in the second preferred embodiment, the fixing frame 10 is provided with a curtain retractor 15 between the top ends of the two frame rods 11B. As shown in fig. 8 to 9, in the third preferred embodiment, the fixing frame 10 is provided with a curtain connecting rod 14 between the top ends of the two frame rods 11B.

As shown in fig. 1 to 3, 6 to 7, and 8 to 9, the cloth curtain 20 is a soft component made of a shielding cloth material, two opposite sides of the cloth curtain 20 are respectively a connecting edge 21 and a movable edge 22, and the connecting edge 21 is connected to the fixing frame 10. The connecting edge 21 of the curtain 20 is fixed to the curtain connecting rod 14 or the curtain reel 151 of the curtain retractor 15.

As shown in fig. 1 to 3, 6 to 7, and 8 to 9, the foldable curtain cloth supporting mechanism 30 is installed on the fixed frame 10 and connected to the movable edge 22 of the curtain cloth 20, and can drive the curtain cloth 20 to unfold and fold, the foldable curtain cloth supporting mechanism 30 includes two foldable supporting components 31, a movable edge rod 32, and one or two elastic members 33, wherein the two foldable supporting components 31 are installed on two sides of the fixed frame 10, the two foldable supporting components 31 are connected to the movable edge rod 32, and the movable edge rod 32 is connected to the movable edge 22 of the curtain cloth 20, and the elastic member 33 is installed in the fixed frame 10 and can provide elastic force to the two foldable supporting components 31, so that the two foldable supporting components 31 extend to push the movable edge rod 32 connected to the curtain cloth 20 away from the fixed frame 10, and the curtain cloth 20 is unfolded. As shown in fig. 4 to 5, the movable side bar 32 is operated to fold the two foldable support members 31 connected to the movable side bar 32 together, so as to pull the movable side bar 32 to approach the fixed frame 10, thereby folding the curtain cloth 20.

As shown in fig. 1 to 3, the two foldable supporting members 31 are oppositely arranged on the left and right sides of the frame bar 11A of the fixing frame 10, and as shown in fig. 6 to 7 and fig. 8 to 9, the two foldable supporting members 31 are respectively arranged on the left and right sides of the fixing frame 10, i.e. the two frame bars 11B of the fixing frame 10.

As shown in fig. 1 to 3, 6 to 7 and 8 to 9, each of the foldable support assemblies 31 includes a sliding arm 311 and an auxiliary support arm 312, wherein two ends of the sliding arm 311 are a connecting end 3111 and a sliding end 3112, respectively, the sliding end of the sliding arm 311 extends into the frame bars 11A and 11B through the slots 121 of the frame bars 11A and 11B and can move along the length direction of the frame bars 11A and 11B, in the preferred embodiment disclosed in the drawings, the sliding end 3112 of the sliding arm 311 is pivoted with a sliding member 3113, and the sliding member 3113 is mounted on the sliding rail 13 in the frame bars 11A and 11B, so that the sliding end 3112 of the sliding arm 311 can move back and forth along the length direction of the frame bars 11A and 11B.

The two ends of the auxiliary supporting arm 312 are respectively a pivoting end 3121 and a connecting end 3122, the pivoting end 3121 of the auxiliary supporting arm 312 is pivoted to the fixed frame 10, and the connecting end 3122 of the auxiliary supporting arm 312 is pivoted to the middle section of the sliding arm 311. The folding support component 31 changes the extending or folding configuration of the folding support component 31 by the sliding of the sliding arm 311.

The movable side bar 32 is disposed at one side of the fixed frame 10 and connected to the two foldable supporting components 31, the movable side bar 32 can be pushed away from the fixed frame 10 and pulled to approach the fixed frame 10, as shown in fig. 1, 6 and 8, in the preferred embodiment, two ends of the movable side bar 32 are respectively connected to the connection ends 3111 of the sliding arms 311 of the two foldable supporting components 31, so that the two foldable supporting components 31 can jointly drive the movable side bar 32 to move away from the fixed frame 10 and support the movable side bar 32, and the two foldable supporting components 31 can drive the movable side bar 32 to approach the fixed frame 10.

The elastic member 33 may be one or two, and the elastic member 33 may be a spring, an elastic strip or other equivalent elastic elements. The elastic component 33 is installed in the fixing frame 10, and the elastic component 33 can provide an elastic force to the sliding end 3112 of the sliding arm 311 of the two foldable supporting components 31 or the sliding part 3113 pivoted to the sliding end 3112.

As shown in fig. 1 to 3, the folding curtain support mechanism 30 has one of the elastic members 33, and the elastic member 33 is a spring, such as: the middle section of the elastic component 33 is combined with a fixing component 331 and fixedly arranged at the middle section of the sliding slot 12 of the rack bar 11A of the fixing frame 10, and two ends of the elastic component 33 are respectively abutted against the sliding end 3112 of the sliding arm 311 of the two folding supporting components 31 or the sliding component 3113 pivoted with the sliding end 3112, so that the two folding supporting components 31 keep the stretching state. In addition, the elastic component 33 may be an extension spring or a torsion spring, and is connected to the frame bar 11A and the slide arm 311 or the auxiliary support arm 312, so as to provide an elastic force to the slide arm 311 or the auxiliary support arm 312, and also to keep the two foldable support components 31 in the extended state, as shown in the first preferred embodiment shown in fig. 1 to 3, a single elastic component 33 is selected, or two compression spring type elastic components 33 may be used, one end of the two elastic components 33 is fixed to the middle section of the sliding slot 12 of the frame bar 11A of the fixed frame 10 by a fixing member, and the other end of the two elastic components 33 respectively abuts against the sliding end 3112 of the slide arm 311 of the two foldable support components 31 or the sliding member 3113 pivoted to the sliding end 3112, so as to keep the two foldable support components 31 in the extended state. In addition, the elastic member 33 may be an extension spring or a torsion spring, and is connected to the frame bar 11A and the slide arm 311 or the auxiliary support arm 312 to provide an elastic force to the slide arm 311 or the auxiliary support arm 312, so that the two foldable support members 31 can be maintained in the extended state.

In the second and third preferred embodiments shown in fig. 6 and 8, the foldable cloth curtain supporting mechanism 30 has two elastic members 33, the two elastic members 33 are elastic under compression, the two elastic members 33 are respectively installed in the sliding slots 12 of the two frame rods 11B of the fixing frame 10, and one end of the two elastic members 33 respectively abuts against the sliding end 3112 of the sliding arm 311 of the two foldable supporting components 31 or the sliding piece 3113 pivoted to the sliding end 3112, so that the two foldable supporting components 31 are kept in the extended state. In addition, the two elastic members 33 may be replaced by extension springs or torsion springs, and respectively connected to the two frame rods 11B and the sliding arms 311 or the auxiliary supporting arms 312, so as to provide elastic force to the sliding arms 311 or the auxiliary supporting arms 312, and also keep the two foldable supporting components 31 in the extended state.

In the preferred embodiment shown in fig. 1, 3, 6 and 8, the fixing frame 10 further has a sliding block 3123 disposed at the end of the sliding rail 13 adjacent to the two sides of the

frame rods

11A and 11B, the pivoting end 3121 of the auxiliary support arm 312 is pivoted to the sliding block 3123, and can slide on the sliding rail 13 for a limited distance through the sliding block 3123, so as to avoid the generation of a dead point during the rotation process of the auxiliary support arm 312 connected to the sliding arm 311.

As shown in fig. 1, fig. 3, fig. 6 and fig. 8, in the preferred embodiment, the foldable cloth curtain supporting mechanism 30 further includes two elastic auxiliary components 34, the elastic auxiliary components 34 can be selected from springs, elastic strips or other equivalent elastic elements, the two elastic auxiliary components 34 are respectively connected between the fixing frame 10 and the middle sections of the auxiliary supporting arms 312 of the two foldable supporting assemblies 31, so as to respectively provide auxiliary elastic force to the auxiliary supporting arms 312, so that the two foldable supporting assemblies 31 keep an extended state, and dead points generated after the two foldable supporting assemblies are folded can be avoided, thereby ensuring that the two foldable supporting assemblies 31 can maintain normal extending and folding actions.

In fig. 1, 3, 6 and 8, it is disclosed that the elastic auxiliary member 34 is a compression spring, one end of the two elastic auxiliary members 34 is respectively installed at the middle section of the auxiliary supporting arm 312 of the two foldable supporting components 31, and the other end of the two elastic auxiliary members 34 can respectively press against the

frame rods

11A and 11B of the fixing frame 10 to respectively provide the auxiliary supporting arm 312 with auxiliary elastic force.

The rear seat back curtain of the present invention is installed between a rear seat and a hat rack behind the rear seat in a motor vehicle, and as shown in fig. 1 to 5, taking a first preferred embodiment of the rear seat back curtain as an example, it can be seen from these drawings that the two folding support members of the folding cloth curtain support mechanism 30 of the rear seat back curtain of the present invention keep the two folding support members 31 in an extended state under the elastic force provided by the elastic member 33, and can push the movable side rod 32 connected with the movable side 22 of the cloth curtain 20 against the upper section of the rear seat back, so that the cloth curtain 20 is in an extended state, and a shielding function can be provided at a distance between the seat back of the rear seat and the hat rack behind the rear seat. When the passenger sitting on the rear seat adjusts the tilt angle of the back of the rear seat, the force of the rear seat pushing against the movable side bar 32 is utilized, and the movable side bar 32 drives the two foldable support assemblies 31 of the foldable cloth curtain support mechanism 30 to automatically fold relatively, and the movable side bar 32 drives the cloth curtain 20 to automatically and adaptively fold so as to appropriately reduce the shielding area of the cloth curtain 20 in response to the change of the distance between the rear seat back and the hat rack, and the cloth curtain 20 still continuously provides the shielding function between the back of the rear seat and the hat rack.

As shown in fig. 8 and 9, the third preferred embodiment of the rear seat back blind of the present invention is applied between the rear seat and the hat rack behind the rear seat in the motor vehicle, the two folding support assemblies 31 of the folding curtain support mechanism 30 keep the extending state under the elastic force provided by the elastic member 33, and can push the movable side bar 32 connected with the movable side 22 of the curtain 20 to the upper section of the rear seat back, so that the curtain 20 is tensioned to assume the extending state, and the shielding function is provided at the space between the seat back of the rear seat and the hat rack behind the rear seat. When the passenger sitting on the back seat adjusts the inclination angle of the back seat, the force of the back seat pushing against the movable side bar 32 is utilized, and then the movable side bar 32 drives the two foldable supporting components 31 of the foldable cloth curtain supporting mechanism 30 to automatically and relatively fold, and the movable side bar 32 drives the cloth curtain 20 to change according to the distance between the back seat and the hat rack, so that the cloth curtain 20 is in a natural sagging state, and the cloth curtain 20 still continuously provides a shielding function between the back seat of the back seat and the hat rack.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a back seat back of body hides curtain which characterized in that, it is used for installing the rear at a back seat back of the chair, and this back seat back of body hides curtain includes:

a fixed mount;

2. A rear seat back curtain as in claim 1, wherein said mounting bracket has a transversely disposed bar with a slot therein, said slot defining a slot in said bar, said slot having a track therein;

the two folding supporting components are oppositely arranged on the left side and the right side of the frame rod, each folding supporting component respectively comprises a sliding arm and an auxiliary supporting arm, two ends of the sliding arm are respectively a group of connecting ends and a sliding end, the sliding end of the sliding arm extends into the frame rod through the notch of the frame rod, the sliding end of the sliding arm is pivoted with a sliding piece, the sliding piece is arranged on a sliding rail in the frame rod, the elastic part is positioned in the frame rod and is abutted against the sliding piece, two ends of the auxiliary supporting arm are respectively a pivoting end and a connecting end, the pivoting end of the auxiliary supporting arm is pivoted on the fixing frame, and the connecting end of the auxiliary supporting arm is pivoted with the middle section of the sliding arm.

3. A rear seat back screen according to claim 1, wherein said mounting bracket has two rods which are vertically disposed and oppositely arranged in left and right directions, each of said two rods having a sliding slot therein, said sliding slot forming a slot in said rod, said sliding slot each having a slide rail therein;

the two folding type supporting components are respectively arranged on the two frame rods and are oppositely arranged, each folding type supporting component respectively comprises a sliding arm and an auxiliary supporting arm, two ends of the sliding arm are respectively a group of connecting ends and a sliding end, the sliding end of the sliding arm extends into the frame rods through the notches of the frame rods, the sliding ends of the sliding arms are respectively pivoted with a sliding piece, the sliding pieces are arranged on the sliding rails in the frame rods, the two frame rods are respectively provided with an elastic part, the elastic parts are abutted against the sliding pieces, two ends of the auxiliary supporting arm are respectively a pin-joint end and a connecting end, the pin-joint end of the auxiliary supporting arm is pivoted on the fixing frame, and the connecting end of the auxiliary supporting arm is pivoted with the middle section of the sliding arm.

4. A rear seat covering as claimed in claim 3, wherein the holder has a curtain connecting rod between the top ends of the two frame rods, and the connecting edge of the curtain is connected to the curtain connecting rod.

5. A rear seat covering according to claim 1, wherein the mounting bracket is provided with a curtain retractor, the curtain retractor being connected to the connecting edge of the curtain, the curtain retractor being capable of automatically retracting and releasing the curtain.

6. The rear seat back covering as claimed in claim 2, wherein a curtain retractor is provided under the rod of the fixing frame below the sliding slot, the curtain passes around the top of the rod, and the curtain is connected to the curtain retractor at its joint edge.

7. The rear seat back curtain as claimed in claim 3, wherein a curtain retractor is provided between the top ends of the two frame rods of the fixing bracket, and the connecting edge of the curtain is connected to the curtain retractor.

8. The rear seat back curtain as claimed in claim 2, 3, 4, 6 or 7, wherein the auxiliary arms of the two foldable supporting members are respectively pivoted with a sliding block at the pivoting end, and the sliding blocks are disposed on the sliding rails.

9. A rear seat covering according to claim 2, 3, 4, 6 or 7, wherein each of the two folding support units has an elastic auxiliary member at the middle section of the auxiliary arm, said elastic auxiliary members being capable of abutting against said frame rods.

10. The rear seat back curtain as claimed in claim 2, 3, 4, 6 or 7, wherein the two foldable supporting members are pivotally connected to a sliding block at the pivotal ends thereof, respectively, and are disposed on the sliding rails, and a resilient auxiliary member is disposed at the middle section of the two foldable supporting members, respectively, and the resilient auxiliary member can abut against the frame bar.