CN220883999U

CN220883999U - Split stretching type sunshade for vehicle

Info

Publication number: CN220883999U
Application number: CN202322542495.8U
Authority: CN
Inventors: 刘涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-03
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a split stretching type automobile sunshade which comprises a bracket placed in an automobile, a telescopic framework and a telescopic curtain, wherein the telescopic framework is connected to the bracket in a erecting mode, the telescopic framework comprises a middle fixing arm fixed on the bracket, movable arms arranged on two sides of the middle fixing arm, and parallelogram hinged telescopic rods connected between the middle fixing arm and the movable arms and used for controlling the movable arms to be close to or far from the middle fixing arm, the parallelogram hinged telescopic rods are symmetrically arranged on two sides of the middle fixing arm, and the free ends of the telescopic curtain are connected with the movable arms. The utility model provides a split stretching type sunshade for a vehicle, which is adjustable in size and is suitable for different automobile brands.

Description

Split stretching type sunshade for vehicle

Technical Field

The utility model belongs to the field of automobile accessories, and particularly relates to a split stretching type automobile sunshade.

Background

Along with the improvement of people's living standard, the car is the tool of riding instead of walk that people are indispensable, and people stop the car in the parking area in summer, and to the vast majority of open parking areas do not have solar protection devices, the temperature rises sharply after the sun insolate before the car instrument desk, and the ageing of high temperature acceleration car instrument desk, instrument desk work anomaly in the past for a long time influences navigating mate's trip, shortens the life of car. In order to solve the problems, people usually place a sunshade on a front instrument desk or place sunshade cloth outside a vehicle, so that the sunshade cloth placed outside the vehicle is easy to slip and cannot play a role in sunshade, the existing sunshade or sunshade cloth is different in size, the size is fixed, the length and the width cannot be adjusted, the size of the space in the vehicle needs to be measured when the sunshade is purchased, the vehicle type is checked with customer service staff, in addition, the brand or the size of the vehicle is various, the sunshade with the fixed size cannot be simultaneously applied to various vehicle types or sizes, and the popularization of the sunshade is greatly influenced.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides the split stretching type sunshade for the vehicle, which is adjustable in size and is applicable to different automobile brands.

The utility model relates to a split stretching type sunshade for a vehicle, which comprises a bracket placed in the vehicle, a telescopic framework and a telescopic curtain connected with the telescopic framework, wherein the telescopic framework comprises a middle fixed arm fixed on the bracket, movable arms arranged on two sides of the middle fixed arm and parallelogram hinged telescopic rods connected between the middle fixed arm and the movable arms and used for controlling the movable arms to approach or separate from the middle fixed arm, the parallelogram hinged telescopic rods are symmetrically arranged on two sides of the middle fixed arm, a first sliding groove is formed in the middle fixed arm, a first rotating shaft is fixed on the middle fixed arm above the first sliding groove, and a first hinge point of the parallelogram hinged telescopic rods is rotationally connected on the first rotating shaft, the second hinge point on the same straight line with the first hinge point is connected with the second rotating shaft, the second rotating shaft is connected in the first sliding groove in a penetrating way and slides along the first sliding groove, the second sliding groove is formed in the movable arm, a third rotating shaft is fixed on the movable arm above the second sliding groove, the third hinge point of the parallelogram hinge telescopic link is rotationally connected to the third rotating shaft, the fourth hinge point on the same straight line with the third hinge point is connected with the fourth rotating shaft, the fourth rotating shaft is connected in the second sliding groove in a penetrating way and slides along the second sliding groove, a first supporting frame is fixed on the middle fixed arm, a first sleeve is sleeved on the first supporting frame, a first rebound piece is arranged inside the first sleeve, the telescopic curtain is wound on the first sleeve, and the free end of the telescopic curtain is connected with the movable arm.

Further, a second rotating shaft above a second hinging point of the parallelogram hinging telescopic rod is connected with the sliding arm, a sliding groove is formed in the sliding arm, the second rotating shaft is connected with the sliding arm below the sliding groove, for example, a screw rod with one expanded end (for example, a hexagon bolt) is arranged on the second rotating shaft, the second rotating shaft sequentially penetrates through the sliding arm, the parallelogram hinging telescopic rod and the first sliding groove, the expanded end of the second rotating shaft is positioned above the sliding arm, a nut is connected to the second rotating shaft penetrating through the first sliding groove, and the first rotating shaft penetrates through the sliding groove.

Further, a second supporting frame is fixed on the sliding arm at one side of the sliding groove, a second sleeve is sleeved on the second supporting frame, and a second rebound piece is arranged in the second sleeve.

Further, the movable arm includes the lower movable arm and the last movable arm that is located lower movable arm top of synchronous motion with the sliding arm, correspondingly, the second spout includes the last spout of opening in last movable arm and the lower spout of seting up in lower movable arm, go up spout and lower spout part overlap, the last movable arm of connecting in last spout top is rotated to the third pivot, the fourth pivot rotates the lower movable arm of connecting in lower spout below, the third pivot cross-under in lower spout, the fourth pivot cross-under is in last spout, parallelogram articulated telescopic link is in flexible in-process, first pivot and third pivot keep on same straight line, the length of telescopic link that second pivot and fourth pivot are connected is greater than the telescopic link length of being connected with the fourth pivot, make the movable arm incline towards the direction of middle fixed arm, and then whole sunshade is trapezoidal, laminate the shape of preceding windscreen more, the length of lower movable arm is greater than the length of movable arm.

Further, the first support frame and the second support frame are respectively L-shaped and comprise a short rod vertically connected with the middle fixed arm or the sliding arm and a long rod connected with the short rod and parallel to the middle fixed arm or the sliding arm, and the top end of the long rod is provided with a groove.

Further, the first support frame and the second support frame are respectively U-shaped and comprise a first rod connected with the middle fixed arm or the sliding arm, a second rod parallel to the first rod and a connecting rod connected between the first rod and the second rod and perpendicular to the middle fixed arm or the sliding arm, and the top end of the second rod is provided with a groove.

Further, the first sleeve and the second sleeve are respectively of a tubular structure with one end closed and the other end open, the first sleeve is sleeved on the long rod or the second rod of the first support frame, the second sleeve is sleeved on the long rod or the second rod of the second support frame, and the length of the long rod or the second rod is smaller than that of the upper movable arm.

Further, the first resilient member and the second resilient member are coil springs or springs, respectively, when the coil springs are coil springs, the fixed ends of the coil springs are connected with the first sleeve or the second sleeve (for example, connected with the closed ends of the first sleeve or the second sleeve), the movable ends of the coil springs are inserted into grooves of the first support frame or the second support frame, the depth of the grooves is consistent with the height of the coil springs, when the coil springs are coil springs, the springs are arranged along the axial direction of the first sleeve or the second sleeve, the fixed ends of the springs are connected with the closed ends of the first sleeve or the second sleeve, the movable ends of the springs are connected with radial transverse plates, the transverse plates are inserted into the grooves of the first support frame or the second support frame, the depth of the grooves is consistent with the length of the springs, for example, the length of the springs occupies 1/6-1/5 of the length of the first sleeve or the second sleeve, the length of the long rods or the second rods extend into the springs, and the length of the long rods or the second rods are consistent with the length of the first sleeve or the second sleeve.

Further, the telescopic curtain includes winding in first telescopic lower telescopic curtain and winding in second telescopic last telescopic curtain, the middle part of lower telescopic curtain is fixed in first sleeve and is the fifty percent discount state winding on first sleeve, the free end of lower telescopic curtain both sides is connected with the last movable arm of middle fixed arm both sides respectively, the middle part of going up the telescopic curtain is fixed in the second sleeve and is the fifty percent discount state winding on second sleeve, the free end of going up the telescopic curtain both sides is connected with the lower movable arm of middle fixed arm both sides respectively, preferably, go up telescopic curtain top and telescopic junction of second is equipped with the arc breach, when last telescopic curtain was expanded, the arc breach was used for avoiding the influence of the rearview mirror in the car, can make the sunshade laminate windscreen more, shelter from sunshine effect better.

Further, the support is placed on an instrument desk or a table top below a rear windshield, the support comprises a first support and a second support which are connected to the back of the middle fixing arm (the side provided with the sliding arm is the front), the first support and the second support respectively comprise a first support rod connected with the top end of the middle fixing arm, a second support rod connected to the bottom end of the middle fixing arm and parallel to the first support rod, and an inclined rod connected between the first support rod and the second support rod, the second support rod or the first support rod is divergently connected to the middle fixing arm, the length of the first support rod is smaller than that of the second support rod, the connecting end of the first support rod and the middle fixing arm is a first connecting end, the connecting end of the second support rod and the middle fixing arm is a second connecting end, and the connecting line of the first connecting end and the second connecting end is inclined line, so that the middle fixing arm is obliquely arranged on the instrument desk.

The working process of the split stretching type automobile sunshade comprises the following steps:

Placing a bracket on an instrument desk, loosening a nut by a driver, holding a second rotating shaft to push the second rotating shaft to slide upwards along a first sliding groove, simultaneously moving a sliding arm, a second supporting frame fixed on the sliding arm and a second hinge point upwards, and enabling a parallelogram hinged telescopic rod to perform unfolding action;

when the telescopic curtain is required to be retracted, the nut is unscrewed to enable the nut to be far away from the middle fixed arm, the second rotating shaft is pushed downwards, the second rotating shaft slides downwards along the first sliding groove, meanwhile, the sliding arm, the second supporting frame fixed on the sliding arm and the second hinging point move downwards, the parallelogram hinging telescopic rod performs retracting action, on one hand, the upper movable arm and the sliding arm synchronously move downwards and simultaneously approach the middle fixed arm, the second rebound piece is gradually changed into a natural state from a tensioning state, the second sleeve rotates clockwise, the upper movable arm is close to the middle fixed arm and simultaneously just winds the upper telescopic curtain on the second sleeve until the upper telescopic curtain is completely retracted on the second sleeve, on the other hand, the lower movable arm is close to the middle fixed arm, the first rebound piece is gradually changed into a natural state from the tensioning state, the first sleeve rotates clockwise, and the lower telescopic curtain is just wound on the first sleeve until the lower telescopic curtain is completely retracted on the first sleeve.

The utility model has the beneficial effects that:

The split stretching type automobile sunshade is placed in an automobile front windshield and a rear window for use, the second rotating shaft is pushed to control the parallelogram hinged telescopic rod to be stretched or retracted, so that the distance between the movable arm and the middle fixed arm is adjusted, the size of the telescopic curtain is optionally adjusted, the split stretching type automobile sunshade is convenient to use, when the split stretching type automobile sunshade is required to be used, the second rotating shaft is pushed upwards, the upper movable arm and the sliding arm synchronously move upwards and simultaneously move leftwards and rightwards, the upper telescopic curtain is opened, meanwhile, the lower movable arm moves leftwards and rightwards and opens the lower telescopic curtain, when the split stretching type automobile sunshade is not used, the second rotating shaft is pushed downwards, the upper movable arm and the sliding arm synchronously move downwards and simultaneously move towards the middle fixed arm to retract the upper telescopic curtain, the lower movable arm is close to the middle movable arm to retract the lower telescopic curtain.

Drawings

Fig. 1 is a schematic front view of a split and extended sunshade for a vehicle according to the present utility model.

Fig. 2 is a schematic rear view of a split and extended sunshade for a vehicle according to the present utility model.

Fig. 3 is a schematic front view of a telescoping boom.

FIG. 4 is a schematic side view of a telescoping boom

Fig. 5 is a schematic view of the first sleeve or the second sleeve.

Fig. 6 is a schematic view of a stent.

Reference numerals:

The device comprises a 1-bracket, a 111-first supporting rod, a 112-second supporting rod, a 113-diagonal rod, a 2-telescopic framework, a 21-middle fixed arm, a 22-movable arm, a 221-second sliding groove, a 222-lower movable arm, a 223-upper movable arm, a 224-upper sliding groove, a 225-lower sliding groove, a 23-first sliding groove, a 24-first rotating shaft, a 25-second rotating shaft, a 26-third rotating shaft, a 27-fourth rotating shaft, a 28-first supporting frame, a 29-first sleeve, a 3-telescopic curtain, a 31-lower telescopic curtain, a 32-upper telescopic curtain, a 4-parallelogram hinged telescopic rod, a 5-sliding arm, a 6-sliding groove, a 7-nut, an 8-second supporting frame, a 9-second sleeve, a 10-spring, a 11-transverse piece, a 12-groove, a 13-telescopic rod connected with the fourth rotating shaft, a telescopic rod connected with the 14-third rotating shaft and a 15-arc notch.

Detailed Description

The utility model is further described below with reference to the drawings.

The directions of up, down, left and right are based on the placement position of figure 3.

As shown in fig. 1 to 6, the split stretching type sunshade for a vehicle of the present utility model comprises a bracket 1 placed in the vehicle, a telescopic frame 2 erected on the bracket 1, and a telescopic curtain 3 connected with the telescopic frame 2, wherein the telescopic frame 2 comprises a middle fixed arm 21 fixed on the bracket 1, movable arms 22 arranged on both sides of the middle fixed arm 21, and parallelogram hinge telescopic rods 4 connected between the middle fixed arm 21 and the movable arms 22 and used for controlling the movable arms to approach or separate from the middle fixed arm, the parallelogram hinge telescopic rods 4 are symmetrically arranged on both sides of the middle fixed arm 21, a first chute 23 is opened on the middle fixed arm 21, a first rotating shaft 24 is fixed on the middle fixed arm above the first chute 23, a first hinge point of the parallelogram hinge telescopic rods 4 is rotatably connected on the first rotating shaft 24, the second hinge point on the same straight line with the first hinge point is connected with the second rotating shaft 25, the second rotating shaft 25 is connected in the first chute 23 in a penetrating way and slides along the first chute 23, the movable arm 22 is provided with the second chute 221, the movable arm above the second chute 221 is fixedly provided with the third rotating shaft 26, the third hinge point of the parallelogram hinge telescopic rod is rotationally connected on the third rotating shaft 26, the fourth hinge point on the same straight line with the third hinge point is connected with the fourth rotating shaft 27, the fourth rotating shaft 27 is connected in the second chute 221 in a penetrating way and slides along the second chute, the middle fixed arm 21 is fixedly provided with the first supporting frame 28, the first supporting frame 28 is sleeved with the first sleeve 29, the first sleeve 29 is internally provided with a first rebound piece, the telescopic curtain 3 is wound on the first sleeve 29, and the free end of the telescopic curtain 3 is connected with the movable arm 22.

The second pivot above the second pin joint of parallelogram articulated telescopic link 4 is connected with the sliding arm 5, opens on the sliding arm 5 has sliding groove 6, and second pivot 25 is connected with the sliding arm of sliding groove 6 below, and second pivot 25 is for example the lead screw that one end is expanded (can be for example hexagonal bolt), and second pivot 25 passes sliding arm 5, parallelogram articulated telescopic link and first spout 23 in proper order, and the expansion end of second pivot is located the sliding arm top, is connected with nut 7 on the second pivot 25 that passes first spout, and first pivot 24 cross-under in sliding groove 6.

A second supporting frame 8 is fixed on the sliding arm at one side of the sliding groove 6, a second sleeve 9 is sleeved on the second supporting frame 8, and a second rebound piece is arranged inside the second sleeve 9.

The movable arm 22 includes a lower movable arm 222 moving synchronously with the sliding arm and an upper movable arm 223 located above the lower movable arm, correspondingly, the second sliding groove 221 includes an upper sliding groove 224 opened on the upper movable arm and a lower sliding groove 225 opened on the lower movable arm, the upper sliding groove 224 is partially overlapped with the lower sliding groove 225, the third rotating shaft 26 is rotatably connected with the upper movable arm above the upper sliding groove, the fourth rotating shaft 27 is rotatably connected with the lower movable arm below the lower sliding groove, the third rotating shaft 26 is connected in the lower sliding groove 225 in a penetrating way, the fourth rotating shaft 27 is connected in the upper sliding groove 224 in a penetrating way, the first rotating shaft and the third rotating shaft are kept on the same straight line in the telescopic process of the parallelogram articulated telescopic rod, the length of the telescopic rod 13 connected with the fourth rotating shaft is longer than the length of the telescopic rod 14 connected with the fourth rotating shaft, so that the movable arm is inclined towards the direction of the middle fixed arm, the whole sunshade is trapezoidal, and the length of the lower movable arm is longer than the length of the movable arm.

The first support 28 and the second support 8 are respectively L-shaped and comprise a short rod vertically connected with the middle fixed arm or the sliding arm and a long rod connected with the short rod and parallel to the middle fixed arm or the sliding arm, the top end of the long rod is provided with a groove, and the distance between the long rod of the first support 28 and the middle fixed arm is greater than the distance between the long rod of the second support 8 and the middle fixed arm.

The first support frame 28 and the second support frame 8 are respectively U-shaped and comprise a first rod connected with the middle fixed arm or the sliding arm, a second rod parallel to the first rod and a connecting rod connected between the first rod and the second rod and perpendicular to the middle fixed arm or the sliding arm, the top end of the second rod is provided with a groove, and the distance between the second rod of the first support frame 28 and the middle fixed arm is greater than the distance between the second rod of the second support frame 8 and the middle fixed arm.

The first sleeve 29 and the second sleeve 9 are respectively tubular structures with one end closed and the other end open, the first sleeve 29 is sleeved on the long rod or the second rod of the first support frame 28, and the second sleeve 9 is sleeved on the long rod or the second rod of the second support frame 8.

The first rebound member and the second rebound member are respectively coil springs or springs 10, when the spring is a coil spring, the fixed ends of the coil springs are connected with the first sleeve or the second sleeve (for example, connected with the closed end of the first sleeve or the second sleeve), the movable ends of the coil springs are inserted into grooves of the first supporting frame or the second supporting frame, when the spring 10 is a spring, the spring 10 is arranged along the axial direction of the first sleeve or the second sleeve, the fixed ends of the spring are connected with the closed end of the first sleeve or the second sleeve, the movable ends of the spring 10 are connected with radial transverse sheets 11, the transverse sheets are inserted into grooves 12 of the first supporting frame or the second supporting frame, the length of the spring 10 occupies 1/6-1/5 of the length of the first sleeve or the second sleeve, and the long rod or the second rod stretches into the spring 10, and the length of the long rod or the second rod is consistent with the length of the first sleeve or the second sleeve.

The telescopic curtain 3 includes the lower telescopic curtain 31 of coiling in first telescopic and the last telescopic curtain 32 of coiling in the second telescopic, the middle part of lower telescopic curtain 31 is fixed in first sleeve and is the fifty percent discount state and coil on first sleeve 29, the free end of lower telescopic curtain 31 both sides is connected with the last movable arm 223 of middle fixed arm both sides respectively, the middle part of going up telescopic curtain 32 is fixed in second sleeve 9 and is the fifty percent discount state and coil on second sleeve 9, the free end of going up telescopic curtain both sides is connected with the lower movable arm of middle fixed arm both sides respectively, preferably, the junction of last telescopic curtain top and second telescopic is equipped with arc breach 15, when last telescopic curtain is expanded, the arc breach is used for avoiding the influence of the mirror of backing in the car, can make the sunshade laminate windscreen more, shelter from sunshine effect better.

The bracket 1 is placed on an instrument desk or a table top below a rear windshield, for example, the bracket 1 comprises a first bracket and a second bracket which are connected to the back surface of a middle fixing arm (the side provided with a sliding arm is the front surface), the first bracket and the second bracket respectively comprise a first supporting rod 111 connected with the top end of the middle fixing arm, a second supporting rod 112 connected to the bottom end of the middle fixing arm and parallel to the first supporting rod 111, and an inclined rod 113 connected between the first supporting rod and the second supporting rod, the second supporting rod 112 or the first supporting rod 111 is divergently connected to the middle fixing arm 21, the length of the first supporting rod 111 is smaller than that of the second supporting rod 112, the connecting end of the first supporting rod and the middle fixing arm is a first connecting end, the connecting end of the second supporting rod 112 and the middle fixing arm is a second connecting end, and the connecting line of the first connecting end and the second connecting end is inclined line, so that the middle fixing arm is obliquely arranged on the instrument desk.

Placing the bracket on an instrument desk, unscrewing the nut 7 by a driver, holding the second rotating shaft 25 to push the second rotating shaft 25 to slide upwards along the first sliding groove 23, simultaneously moving the sliding arm, the second supporting frame 8 fixed on the sliding arm and the second hinge point upwards, and screwing the nut 7 towards the back surface close to the middle fixing arm, wherein on one hand, the upper movable arm and the sliding arm 5 synchronously move upwards and simultaneously move towards the left side and the right side, the upper movable arms on the two sides drive the upper telescopic curtain 32 wound on the second sleeve to be gradually unfolded, the second sleeve 9 rotates anticlockwise, the second rebound member is gradually tensioned until the upper telescopic curtain 32 is completely unfolded, on the other hand, the lower movable arm moves towards the left side and the right side to drive the lower telescopic curtain wound on the first sleeve to be gradually unfolded, the first rebound member is gradually tensioned until the lower telescopic curtain is completely unfolded, the expanded end of the second rotating shaft is extruded towards the front surface close to the middle fixing arm, after the nut 7 is tightly screwed, the second hinge point is tightly clung to the front surface of the middle fixing arm 21, and the nut 7 is tightly clung to the back surface of the middle fixing arm 21, and the second rebound member is fixed on the middle fixing arm 21;

When the telescopic curtain 3 needs to be retracted, the nut 7 is unscrewed to enable the nut to be far away from the middle fixed arm, the second rotating shaft 25 is pushed downwards, the second rotating shaft 25 slides downwards along the first sliding groove 23, meanwhile, the sliding arm, the second supporting frame fixed on the sliding arm and the second hinging point move downwards, the parallelogram hinging telescopic rod 4 performs retracting action, on one hand, the upper movable arm moves downwards synchronously with the sliding arm 5 and simultaneously approaches the middle fixed arm 21, the second rebound member gradually changes from a tensioning state to a natural state, the second sleeve 9 rotates clockwise, the upper movable arm just winds the upper telescopic curtain on the second sleeve 9 while approaching the middle fixed arm until the upper telescopic curtain is completely retracted on the second sleeve 9, on the other hand, the lower movable arm approaches the middle fixed arm, the first rebound member gradually changes from the tensioning state to the natural state, the first sleeve 29 rotates clockwise, and the lower movable arm approaches the middle fixed arm 21 and simultaneously just winds the lower telescopic curtain 31 on the first sleeve 29 until the lower telescopic curtain 31 is completely retracted on the first sleeve 29.

The foregoing description of the preferred embodiments of the present utility model has been presented for purposes of illustration and not of limitation. Many variations or modifications may be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model. Such changes or modifications are intended to be included within the scope of the appended claims.

Claims

1. The split stretching type sunshade for the vehicle is characterized by comprising a bracket (1) arranged in the vehicle, a telescopic framework (2) connected to the bracket (1) and a telescopic curtain (3) connected with the telescopic framework (2), wherein the telescopic framework (2) comprises a middle fixing arm (21) fixed to the bracket (1), movable arms (22) arranged on two sides of the middle fixing arm (21) and parallelogram articulated telescopic rods (4) connected between the middle fixing arm (21) and the movable arms (22) and used for controlling the movable arms to be close to or far away from the middle fixing arm, the parallelogram articulated telescopic rods (4) are symmetrically arranged on two sides of the middle fixing arm (21), a first sliding groove (23) is formed in the middle fixing arm (21), a first hinge (24) is fixed on the middle fixing arm above the first sliding groove (23), a first hinge point of the parallelogram articulated telescopic rods (4) is rotatably connected to the first hinge (24), a second hinge point on the same straight line with the second hinge point (25) and a second hinge (25) are connected with the second hinge point (25) and are connected with the second sliding groove (26) along the first hinge (25) and the second sliding groove (221) on the second sliding groove (23), the third hinge point of the parallelogram hinge telescopic rod is rotationally connected to the third rotating shaft (26), the fourth hinge point on the same straight line with the third hinge point is connected with the fourth rotating shaft (27), the fourth rotating shaft (27) is connected in the second sliding groove (221) in a penetrating way and slides along the second sliding groove, the middle fixing arm (21) is fixedly provided with the first supporting frame (28), the first supporting frame (28) is sleeved with the first sleeve (29), the first rebound piece is arranged in the first sleeve (29), the telescopic curtain (3) is wound on the first sleeve (29), and the free end of the telescopic curtain (3) is connected with the movable arm (22).

2. The sunshade for the vehicle according to claim 1, wherein a second rotating shaft above a second hinging point of the parallelogram hinging telescopic rod (4) is connected with the sliding arm (5), the sliding arm (5) is provided with a sliding groove (6), the second rotating shaft (25) is connected with the sliding arm below the sliding groove (6), the second rotating shaft (25) is a screw rod with one expanded end, the second rotating shaft (25) sequentially penetrates through the sliding arm (5), the parallelogram hinging telescopic rod and the first sliding groove (23), the expanded end of the second rotating shaft is positioned above the sliding arm, a nut (7) is connected to the second rotating shaft (25) penetrating through the first sliding groove, and the first rotating shaft (24) penetrates into the sliding groove (6).

3. The sunshade for the vehicle according to claim 2, wherein a second supporting frame (8) is fixed on the sliding arm at one side of the sliding groove (6), a second sleeve (9) is sleeved on the second supporting frame (8), and a second rebound member is arranged in the second sleeve (9).

4. The sunshade for vehicle according to claim 1, wherein the movable arm (22) comprises a lower movable arm (222) moving synchronously with the sliding arm and an upper movable arm (223) located above the lower movable arm, correspondingly, the second sliding groove (221) comprises an upper sliding groove (224) opened on the upper movable arm and a lower sliding groove (225) opened on the lower movable arm, the upper sliding groove (224) is partially overlapped with the lower sliding groove (225), the third rotating shaft (26) is rotatably connected with the upper movable arm above the upper sliding groove, the fourth rotating shaft (27) is rotatably connected with the lower movable arm below the lower sliding groove, the third rotating shaft (26) is connected in the lower sliding groove (225) in a penetrating way, and the fourth rotating shaft (27) is connected in the upper sliding groove (224) in a penetrating way.

5. Sunshade for vehicles according to claim 1, characterized in that the first support (28) and the second support (8) are respectively L-shaped and comprise a short bar vertically connected with the middle fixed arm or the sliding arm and a long bar connected with the short bar and parallel to the middle fixed arm or the sliding arm, and the top end of the long bar is provided with a groove.

6. The sunshade for vehicle according to claim 1, wherein the first support (28) and the second support (8) are respectively U-shaped and comprise a first rod connected with the middle fixed arm or the sliding arm, a second rod arranged in parallel with the first rod and a connecting rod connected between the first rod and the second rod and perpendicular to the middle fixed arm or the sliding arm, and the top end of the second rod is provided with a groove.

7. A sunshade for a vehicle according to claim 3, characterized in that the first sleeve (29) and the second sleeve (9) are respectively tubular structures with one closed end and the other open end, the first sleeve (29) is sleeved on the long rod or the second rod of the first support frame (28), and the second sleeve (9) is sleeved on the long rod or the second rod of the second support frame (8).

8. A sunshade for a vehicle according to claim 3, wherein the first resilient member and the second resilient member are respectively coil springs or springs (10).

9. The sunshade for vehicles according to claim 1, wherein the retractable curtain (3) comprises a lower retractable curtain (31) wound on the first sleeve and an upper retractable curtain (32) wound on the second sleeve, the middle part of the lower retractable curtain (31) is fixed on the first sleeve and wound on the first sleeve (29) in a folded state, the free ends of the two sides of the lower retractable curtain (31) are respectively connected with the upper movable arms (223) of the two sides of the middle fixed arm, the middle part of the upper retractable curtain (32) is fixed on the second sleeve (9) and wound on the second sleeve (9) in a folded state, and the free ends of the two sides of the upper retractable curtain are respectively connected with the lower movable arms of the two sides of the middle fixed arm.

10. The sunshade for the vehicle according to claim 1, wherein the bracket (1) comprises a first bracket and a second bracket connected to the back of the middle fixing arm, the first bracket and the second bracket respectively comprise a first supporting rod (111) connected with the top end of the middle fixing arm, a second supporting rod (112) connected to the bottom end of the middle fixing arm and parallel to the first supporting rod (111), and an inclined rod (113) connected between the first supporting rod and the second supporting rod, the second supporting rod (112) or the first supporting rod (111) is connected to the middle fixing arm (21) in a divergent mode, the connection end of the first supporting rod and the middle fixing arm is a first connection end, the connection end of the second supporting rod (112) and the middle fixing arm is a second connection end, and the connection line of the first connection end and the second connection end is inclined line, so that the middle fixing arm is obliquely arranged on the instrument desk.