CN216805094U - Fixing device for automobile sunshade - Google Patents

Abstract

The utility model relates to the technical field of automobile sunshade equipment, in particular to an automobile sunshade fixing device which comprises a support column, wherein the upper end of the support column is fixedly connected with a first connecting plate, the upper end of the first connecting plate is fixedly connected with a support rod, the upper end of the support rod is fixedly connected with a second connecting plate, the circumferential surface of the second connecting plate is fixedly connected with three first connecting rods, the far ends of the three first connecting rods are fixedly connected with a first ring, the circumferential surface of the first ring is rotatably connected with three first ribs, the surface of the support column is slidably connected with a sliding ring, and the circumferential surface of the sliding ring is movably hinged with three second ribs through three U-shaped connecting blocks.

Description

Fixing device for automobile sunshade

Technical Field

The utility model relates to the technical field of automobile sunshade umbrella equipment, in particular to an automobile sunshade umbrella fixing device.

Background

The automobile sunshade is designed according to the appearance of an automobile by the sun protection principle of the sunshade, covers the automobile from a front windshield to a rear windshield, and can effectively reduce the temperature in the automobile at high temperature.

The prior art discloses a part of patent documents with processing and manufacturing, and a Chinese patent with application number 201921328423.0, discloses a multifunctional automobile sunshade umbrella, which comprises an umbrella body, a connecting external member, a rotating device and a suction device, and is characterized in that the top end of the umbrella body is connected with the connecting external member, the connecting external member is connected with the rotating device, and the front end of the rotating device is connected with the suction device; the suction device is fixedly sucked with the automobile glass, and the multifunctional automobile sunshade structure can meet the technical effect of shading the automobile; the top end of the umbrella body is provided with an umbrella body connecting structure, and the connecting sleeve is provided with an upper connecting structure and a lower connecting structure which are a first connecting structure and a second connecting structure; the bottom of the rotating device is provided with a rotating connecting structure, and the front end of the rotating device is rotatably connected with the suction device.

The existing automobile sunshade is inconvenient to fix after being unfolded, easy to turn over by wind and easy to separate from an automobile, and therefore the automobile sunshade fixing device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a fixing device for a sunshade of an automobile.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a fixing device for an automobile sunshade umbrella comprises a support column, wherein the upper end of the support column is fixedly connected with a first connecting plate, the upper end of the first connecting plate is fixedly connected with a support rod, the upper end of the support rod is fixedly connected with a second connecting plate, the circumferential surface of the second connecting plate is fixedly connected with three first connecting rods, the far ends of the three first connecting rods are fixedly connected with a first circular ring, the circumferential surface of the first circular ring is rotatably connected with three first ribs, the surface of the support column is slidably connected with a sliding ring, the circumferential surface of the sliding ring is movably hinged with three second ribs through three U-shaped connecting blocks, the three second ribs are respectively movably hinged with three first ribs through three rotating rods, the upper ends of the three first ribs are fixedly connected with umbrella cloth, and the surface of the support column is sleeved with a spring, the spring is fixedly connected between the sliding ring and the first connecting plate, and a pushing mechanism is arranged on the lower side of the supporting column and used for pushing the sliding ring to move upwards; when the umbrella is in operation, the first threaded pipe is rotated, the first threaded pipe and the second threaded pipe are in threaded fit to drive the rotating ring to move downwards, the rotating ring rotates in the annular sliding groove to drive the fixing ring to move downwards, the fixing ring drives the second circular ring to move downwards, the second circular ring slides in the first sliding hole to drive the three rotating plates to rotate, the three rotating plates rotate to drive the sliding rods to slide in the second sliding holes, the rotating plates slide in the sliding rails, the three sliding blocks slide upwards in the three limiting sliding grooves, the three sliding blocks push the sliding rings upwards, the sliding rings drive the three U-shaped connecting blocks to move upwards, the U-shaped connecting blocks drive the second ribs to rotate, the second ribs drive the first ribs to rotate, the first ribs support the umbrella cloth, the springs are compressed, so that the umbrella cloth is opened, the umbrella cloth is prevented from being closed accidentally, the fixing ring drives the inserting rods to move downwards, the inserting rods slide downwards in the circular holes, the nuts are rotated, the automobile sunshade is characterized in that the top mounting plate is fixed between the nut and the bottom plate, so that the device is fixed, the device is prevented from being separated from an automobile, the device is fixed on the top of the automobile conveniently, the sunshade cloth is prevented from being accidentally closed after being opened, and the existing automobile sunshade is optimized.

Preferably, the pushing mechanism comprises three sliding blocks, three rotating plates and three limiting sliding grooves, the three limiting sliding grooves are all cut in the surface of the supporting column, the three sliding blocks are respectively connected in the three limiting sliding grooves in a sliding manner, the three rotating plates are respectively hinged to the three sliding blocks in a movable manner, a base mechanism is arranged on the lower sides of the three sliding blocks, and the base mechanism is used for limiting the positions of the three rotating plates; during operation, the rotating plate rotates to drive the three sliding blocks to move upwards, and the sliding blocks jack up the sliding rings upwards, so that the umbrella cloth is supported and opened.

Preferably, the base mechanism comprises a bottom plate, three slide rails, six second slide holes, six slide bars and a support plate, wherein the six slide bars are respectively and fixedly connected to the left end and the right end of the three rotating plates, the support plate is fixedly connected to the lower end of the support column, the three slide rails are all fixedly connected to the circumferential surface of the support plate, the six second slide holes are respectively drilled at the left end and the right end of the three slide rails, the three rotating plates are respectively and slidably connected into the three slide rails, the six slide bars are respectively and slidably connected into the six second slide holes, the bottom plate is fixedly connected to the bottom plate and the lower ends of the three slide rails, a traction mechanism is arranged between the support plate and the three rotating plates, and the traction mechanism is used for simultaneously driving the three rotating plates to rotate; when the device works, the rotating plate slides in the sliding rail, and the sliding rod slides in the second sliding hole, so that the rotating angle of the rotating plate is limited.

Preferably, the traction mechanism comprises three first sliding holes, a second circular ring, three second connecting rods, a fixing ring, an annular sliding groove, a second threaded pipe, a first threaded pipe and a rotating ring, the second threaded pipe is fixedly connected to the lower end of the supporting plate, the supporting column is positioned in the second threaded pipe, the first threaded pipe is in threaded connection with the second threaded pipe, the rotating ring is fixedly connected to the upper end of the first threaded pipe, the three first sliding holes are respectively drilled at the right ends of the three rotating plates, the second circular ring is in sliding connection with the three first sliding holes, the three second connecting rods are all fixedly connected to the inner wall of the second circular ring, the fixing ring is fixedly connected to one end of the three second connecting rods, the annular sliding groove is drilled on the inner wall of the fixing ring, the rotating ring is rotatably connected to the annular sliding groove, a fixing mechanism is arranged between the fixing ring and the bottom plate, the fixing mechanism is used for fixing the bottom plate on the car roof; during operation, the rotating ring is driven to move up and down by rotating the first threaded pipe, the rotating ring drives the second circular ring and the fixing ring to move up and down, and the second circular ring slides in the first sliding hole, so that the three rotating plates are driven to rotate by the same angle at the same time, and the sliding ring is convenient to jack up upwards.

Preferably, the fixing mechanism comprises three round holes, three inserting rods and three nuts, the three annular sliding grooves are all cut in the upper end of the bottom plate, the three inserting rods are all fixedly connected to the lower end of the fixing ring, the three inserting rods are movably inserted into the three round holes respectively, and the three nuts are in threaded connection with the circumferential surfaces of the three inserting rods respectively; during operation, the fixing ring moves downwards to drive the sliding ring to move upwards, the fixing ring moves downwards to drive the insertion rod to slide downwards in the round hole, the insertion rod can be conveniently inserted into the roof mounting plate, the position of the device can be fixed through the rotating nut, the device can be conveniently fixed on the roof, and the device can be conveniently taken down from the roof to be stored after the umbrella cloth is closed.

Preferably, the three nuts are respectively matched with the three round holes, and the three nuts are all positioned on the lower side of the bottom plate; during operation, the nut is located the downside of bottom plate and is convenient for fix the centre gripping of roof mounting panel between nut and bottom plate.

Preferably, the circumferential surface of the bottom plate is fixedly connected with three fixing feet, and mounting holes are formed in the upper ends of the three fixing feet; when the device works, the locking screws can be inserted into the mounting holes, the fixing feet are fixed on the car roof, and the position of the device is further fixed.

Preferably, the lower end of the bottom plate is fixedly connected with a rubber pad, and anti-skid grains are engraved at the lower end of the rubber pad; when the anti-skid device works, the rubber pads are beneficial to preventing the anti-skid device from sliding on the car roof, and the anti-skid grains are beneficial to increasing friction force.

Preferably, the three sliding blocks are all arranged in a T shape, the three limiting sliding grooves are all arranged in a T shape, and the three limiting sliding grooves are respectively matched with the three sliding blocks; during operation, sliding block and spacing spout set up to the T shape and are of value to and prevent that the sliding block breaks away from in the spacing spout.

Preferably, the supporting columns are triangular, and the sliding rings are matched with the supporting columns; during operation, the support column is set to be triangular, so that the sliding ring is prevented from rotating on the surface of the support column.

Compared with the prior art, the utility model has the following beneficial effects:

in the scheme, a first threaded pipe is rotated, the first threaded pipe and a second threaded pipe are in threaded fit to drive a rotating ring to move downwards, the rotating ring rotates in an annular sliding groove to drive a fixing ring to move downwards, the fixing ring drives a second circular ring to move downwards, the second circular ring slides in a first sliding hole to drive three rotating plates to rotate, the three rotating plates rotate to drive a sliding rod to slide in a second sliding hole, the rotating plates slide in sliding rails, the three sliding blocks slide upwards in three limiting sliding grooves, the three sliding blocks push the sliding ring upwards, the sliding ring drives three U-shaped connecting blocks to move upwards, the U-shaped connecting blocks drive second ribs to rotate, the second ribs drive first ribs to rotate, the first ribs support umbrella cloth, a spring is compressed, so that the umbrella cloth is opened, the umbrella cloth is prevented from being closed accidentally, the fixing ring drives an inserting rod to move downwards, the inserting rod slides downwards in a round hole, a nut is rotated, the automobile sunshade is characterized in that the top mounting plate is fixed between the nut and the bottom plate, so that the device is fixed, the device is prevented from being separated from an automobile, the device is fixed on the top of the automobile conveniently, the sunshade cloth is prevented from being accidentally closed after being opened, and the existing automobile sunshade is optimized.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a perspective view of the rotating plate of the present invention.

Fig. 4 is a perspective view of the first rib of the present invention.

In the figure: 1. a base plate; 2. a fixing leg; 3. mounting holes; 4. a support pillar; 5. a limiting chute; 6. a first rib; 7. a rotating rod; 8. a second rib; 9. a U-shaped connecting block; 10. a slip ring; 11. a spring; 12. a first connecting plate; 13. a first circular ring; 14. a second connecting plate; 15. a first connecting rod; 16. a support bar; 17. umbrella cloth; 18. a slider; 19. rotating the plate; 20. a first slide hole; 21. a second circular ring; 22. a second connecting rod; 23. a fixing ring; 24. an annular chute; 25. inserting a rod; 26. a nut; 27. a slide bar; 28. a rotating ring; 29. a first threaded pipe; 30. a second threaded pipe; 31. a support plate; 32. a slide rail; 33. a second slide hole; 34. a circular hole.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the sunshade fixing device for the vehicle comprises a supporting column 4, a first connecting plate 12 is fixedly connected to the upper end of the supporting column 4, a supporting rod 16 is fixedly connected to the upper end of the first connecting plate 12, a second connecting plate 14 is fixedly connected to the upper end of the supporting rod 16, three first connecting rods 15 are fixedly connected to the circumferential surface of the second connecting plate 14, a first ring 13 is fixedly connected to the far end of each first connecting rod 15, three first ribs 6 are rotatably connected to the circumferential surface of the first ring 13, a sliding ring 10 is slidably connected to the surface of the supporting column 4, three second ribs 8 are movably hinged to the circumferential surface of the sliding ring 10 through three U-shaped connecting blocks 9, the three second ribs 8 are respectively movably hinged to the three first ribs 6 through three rotating rods 7, and umbrella cloth 17 is fixedly connected to the upper ends of the three first ribs 6, the surface of the supporting column 4 is sleeved with a spring 11, the spring 11 is fixedly connected between the sliding ring 10 and the first connecting plate 12, and the lower side of the supporting column 4 is provided with a pushing mechanism which is used for pushing the sliding ring 10 to move upwards; when the umbrella is in use, by rotating the first threaded pipe 29, the first threaded pipe 29 and the second threaded pipe 30 are in threaded fit to drive the rotating ring 28 to move downwards, the rotating ring 28 rotates in the annular sliding groove 24 to drive the fixing ring 23 to move downwards, the fixing ring 23 drives the second ring 21 to move downwards, the second ring 21 slides in the first sliding hole 20 to drive the three rotating plates 19 to rotate, the three rotating plates 19 rotate to drive the sliding rod 27 to slide in the second sliding hole 33, the rotating plates 19 slide in the sliding rails 32, the three sliding blocks 18 slide upwards in the three limiting sliding grooves 5, the three sliding blocks 18 upwards push the sliding ring 10, the sliding ring 10 drives the three U-shaped connecting blocks 9 to move upwards, the U-shaped connecting blocks 9 drive the second ribs 8 to rotate, the second ribs 8 drive the first ribs 6 to rotate, the first ribs 6 support the umbrella cloth 17, the spring 11 is compressed, so that the umbrella cloth 17 is opened and the umbrella cloth 17 is prevented from being accidentally closed, the fixing ring 23 drives the inserting rod 25 to move downwards, the inserting rod 25 slides downwards in the round hole 34, the nut 26 is rotated, the roof mounting plate is fixed between the nut 26 and the bottom plate 1, the position of the device is fixed, the device is prevented from being separated from a vehicle, the device is convenient to fix on the roof, the umbrella cloth 17 is prevented from being accidentally closed after being opened, and the conventional automobile sunshade is optimized.

Specifically, the pushing mechanism comprises three sliding blocks 18, three rotating plates 19 and three limiting sliding grooves 5, the three limiting sliding grooves 5 are all cut on the surface of the supporting column 4, the three sliding blocks 18 are respectively connected in the three limiting sliding grooves 5 in a sliding manner, the three rotating plates 19 are respectively hinged to the three sliding blocks 18 in a movable manner, a base mechanism is arranged on the lower sides of the three sliding blocks 18, and the base mechanism is used for limiting the positions of the three rotating plates 19; in operation, the three sliding blocks 18 are driven to move upwards by the rotation of the rotating plate 19, and the sliding blocks 18 jack up the sliding ring 10 upwards, so that the umbrella cloth 17 is supported and opened.

Specifically, the base mechanism comprises a bottom plate 1, three slide rails 32, six second slide holes 33, six slide bars 27 and a support plate 31, wherein the six slide bars 27 are respectively and fixedly connected to the left end and the right end of three rotating plates 19, the support plate 31 is fixedly connected to the lower end of a support column 4, the three slide rails 32 are respectively and fixedly connected to the circumferential surface of the support plate 31, the six second slide holes 33 are respectively drilled at the left end and the right end of the three slide rails 32, the three rotating plates 19 are respectively and slidably connected into the three slide rails 32, the six slide bars 27 are respectively and slidably connected into the six second slide holes 33, the bottom plate 1 is fixedly connected to the lower ends of the bottom plate 1 and the three slide rails 32, a traction mechanism is arranged between the support plate 31 and the three rotating plates 19, and the traction mechanism is used for simultaneously driving the three rotating plates 19 to rotate; in operation, the rotation plate 19 slides in the slide rail 32, and the slide rod 27 slides in the second slide hole 33, so as to limit the rotation angle of the rotation plate 19.

Specifically, the traction mechanism comprises three first sliding holes 20, a second circular ring 21, three second connecting rods 22, a fixed ring 23, an annular sliding groove 24, a second threaded pipe 30, a first threaded pipe 29 and a rotating ring 28, wherein the second threaded pipe 30 is fixedly connected to the lower end of a support plate 31, a support column 4 is positioned in the second threaded pipe 30, the first threaded pipe 29 is in threaded connection with the second threaded pipe 30, the rotating ring 28 is fixedly connected to the upper end of the first threaded pipe 29, the three first sliding holes 20 are respectively drilled at the right ends of three rotating plates 19, the second circular ring 21 is slidably connected in the three first sliding holes 20, the three second connecting rods 22 are all fixedly connected to the inner wall of the second circular ring 21, the fixed ring 23 is fixedly connected to one end of the three second connecting rods 22, the annular sliding groove 24 is drilled on the inner wall of the fixed ring 23, the rotating ring 28 is rotatably connected in the annular sliding groove 24, and a fixing mechanism is arranged between the fixed ring 23 and the bottom plate 1, the fixing mechanism is used for fixing the bottom plate 1 on the roof; during operation, the rotating ring 28 is driven to move up and down by rotating the first threaded pipe 29, the rotating ring 28 drives the second circular ring 21 and the fixing ring 23 to move up and down, and the second circular ring 21 slides in the first sliding hole 20, so that the three rotating plates 19 are driven to rotate at the same angle at the same time, and the sliding ring 10 is conveniently jacked up.

Specifically, the fixing mechanism comprises three round holes 34, three insert rods 25 and three nuts 26, the three annular sliding grooves 24 are all cut in the upper end of the bottom plate 1, the three insert rods 25 are all fixedly connected to the lower end of the fixing ring 23, the three insert rods 25 are movably inserted into the three round holes 34 respectively, and the three nuts 26 are in threaded connection with the circumferential surfaces of the three insert rods 25 respectively; when the device works, the fixing ring 23 moves downwards to drive the sliding ring 10 to move upwards, the fixing ring 23 moves downwards to drive the inserting rod 25 to slide downwards in the round hole 34, the inserting rod 25 can be conveniently inserted into the mounting plate of the car roof, the position of the device is fixed through the rotating nut 26, the device can be conveniently fixed on the car roof, and the device can be conveniently taken down from the car roof for storage after the umbrella cloth 17 is closed.

Specifically, the three nuts 26 are respectively matched with the three round holes 34, and the three nuts 26 are all located on the lower side of the bottom plate 1; in operation, the nut 26 is located on the underside of the base plate 1 to facilitate clamping and securing the roof mounting plate between the nut 26 and the base plate 1.

Specifically, the circumferential surface of the bottom plate 1 is fixedly connected with three fixing pins 2, and mounting holes 3 are formed in the upper ends of the three fixing pins 2; when the device works, the locking screws can be inserted into the mounting holes 3, the fixing feet 2 are fixed on the roof of the vehicle, and the position of the device is further fixed.

Specifically, the lower end of the bottom plate 1 is fixedly connected with a rubber pad, and anti-skid grains are engraved at the lower end of the rubber pad; when the anti-skid device works, the rubber pads are beneficial to preventing the anti-skid device from sliding on the car roof, and the anti-skid grains are beneficial to increasing friction force.

Specifically, the three sliding blocks 18 are all arranged in a T shape, the three limiting sliding grooves 5 are all arranged in a T shape, and the three limiting sliding grooves 5 are respectively matched with the three sliding blocks 18; in operation, the sliding block 18 and the limiting sliding groove 5 are arranged in a T shape, which is beneficial to preventing the sliding block 18 from separating from the limiting sliding groove 5.

Specifically, the supporting column 4 is triangular, and the sliding ring 10 is matched with the supporting column 4; in operation, the support post 4 is configured in a triangular shape to facilitate preventing the slip ring 10 from rotating on the surface of the support post 4.

The working principle of the utility model is as follows:

by rotating the first threaded pipe 29, the threaded cooperation of the first threaded pipe 29 and the second threaded pipe 30 drives the rotating ring 28 to move downwards, the rotating ring 28 rotates in the annular sliding groove 24 to drive the fixed ring 23 to move downwards, the fixed ring 23 drives the second ring 21 to move downwards, the second ring 21 slides in the first sliding hole 20 to drive the three rotating plates 19 to rotate, the three rotating plates 19 rotate to drive the sliding rod 27 to slide in the second sliding hole 33, the rotating plates 19 slide in the sliding rails 32, the three sliding blocks 18 slide upwards in the three limiting sliding grooves 5, the three sliding blocks 18 push the sliding ring 10 upwards, the sliding ring 10 drives the three U-shaped connecting blocks 9 to move upwards, the U-shaped connecting blocks 9 drive the second ribs 8 to rotate, the second ribs 8 drive the first ribs 6 to rotate, the first ribs 6 support the umbrella cloth 17, the spring 11 is compressed, thereby opening the umbrella cloth 17 and preventing the umbrella cloth 17 from being closed accidentally, the fixing ring 23 drives the insert rod 25 to move downwards, the insert rod 25 slides downwards in the round hole 34, the nut 26 is rotated, the roof mounting plate is fixed between the nut 26 and the bottom plate 1, the position of the device is fixed, and the device is prevented from being separated from a vehicle.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims and their equivalents.

Claims (10)

1. The automobile sunshade fixing device comprises a support column (4) and is characterized in that the upper end of the support column (4) is fixedly connected with a first connecting plate (12), the upper end of the first connecting plate (12) is fixedly connected with a support rod (16), the upper end of the support rod (16) is fixedly connected with a second connecting plate (14), the circumferential surface of the second connecting plate (14) is fixedly connected with three first connecting rods (15), the far ends of the three first connecting rods (15) are fixedly connected with a first ring (13), the circumferential surface of the first ring (13) is rotatably connected with three first ribs (6), the surface of the support column (4) is slidably connected with a sliding ring (10), the circumferential surface of the sliding ring (10) is movably hinged with three second ribs (8) through three U-shaped connecting blocks (9), it is three second rib (8) articulate in three through three bull stick (7) activity respectively first rib (6), three the upper end fixedly connected with umbrella cloth (17) of first rib (6), the surface cover of support column (4) is equipped with spring (11), spring (11) fixed connection in slip ring (10) with between first connecting plate (12), the downside of support column (4) is provided with pushing mechanism, pushing mechanism is used for promoting slip ring (10) rebound.

2. The sunshade fixing device of claim 1, wherein said pushing mechanism comprises three sliding blocks (18), three rotating plates (19) and three limiting sliding grooves (5), said three limiting sliding grooves (5) are all cut on the surface of said supporting column (4), said three sliding blocks (18) are respectively slidably connected in said three limiting sliding grooves (5), said three rotating plates (19) are respectively and movably hinged to said three sliding blocks (18), and the lower sides of said three sliding blocks (18) are provided with a base mechanism for limiting the positions of said three rotating plates (19).

3. The sunshade fixing device of claim 2, wherein said base mechanism comprises a bottom plate (1), three sliding rails (32), six second sliding holes (33), six sliding bars (27) and a supporting plate (31), said six sliding bars (27) are respectively fixedly connected to the left and right ends of said three rotating plates (19), said supporting plate (31) is fixedly connected to the lower end of said supporting column (4), said three sliding rails (32) are respectively fixedly connected to the circumferential surface of said supporting plate (31), said six second sliding holes (33) are respectively drilled at the left and right ends of said three sliding rails (32), said three rotating plates (19) are respectively slidably connected to said three sliding rails (32), said six sliding bars (27) are respectively slidably connected to said six second sliding holes (33), said bottom plate (1) is fixedly connected to said bottom plate (1) and the lower ends of said three sliding rails (32), and traction mechanisms are arranged between the supporting plate (31) and the three rotating plates (19), and are used for driving the three rotating plates (19) to rotate simultaneously.

4. A sunshade fixing device for automobiles according to claim 3, wherein said traction mechanism comprises three first sliding holes (20), a second ring (21), three second connecting rods (22), a fixed ring (23), a ring-shaped chute (24), a second threaded pipe (30), a first threaded pipe (29), a rotating ring (28), said second threaded pipe (30) is fixedly connected to the lower end of said supporting plate (31), said supporting pillar (4) is located in said second threaded pipe (30), said first threaded pipe (29) is threaded to said second threaded pipe (30), said rotating ring (28) is fixedly connected to the upper end of said first threaded pipe (29), three said first sliding holes (20) are respectively opened at the right end of three said rotating plates (19), said second ring (21) is slidably connected to said three first sliding holes (20), it is three equal fixed connection in second connecting rod (22) in the inner wall of second ring (21), gu fixed ring (23) fixed connection is three the one end that second connecting rod (22) are close to mutually, annular chute (24) cut in the inner wall of solid fixed ring (23), swivel ring (28) rotate connect in annular chute (24), gu fixed ring (23) with be provided with fixed establishment between bottom plate (1), fixed establishment be used for with bottom plate (1) is fixed at the roof.

5. The sunshade fixing device of claim 4, wherein said fixing mechanism comprises three circular holes (34), three insertion rods (25) and three nuts (26), three said annular sliding grooves (24) are all cut on the upper end of said bottom plate (1), three said insertion rods (25) are all fixedly connected to the lower end of said fixing ring (23), three said insertion rods (25) are movably inserted into three said circular holes (34), respectively, and three said nuts (26) are respectively screwed on the circumferential surfaces of three said insertion rods (25).

6. A sunshade fixing device for vehicles according to claim 5, characterized in that three said nuts (26) are respectively matched with three said circular holes (34), and three said nuts (26) are all located on the lower side of said bottom plate (1).

7. The sunshade fixing device of claim 6, wherein three fixing legs (2) are fixedly connected to the circumferential surface of the bottom plate (1), and the upper ends of the three fixing legs (2) are all provided with mounting holes (3).

8. A sunshade fixing device for car according to claim 7, characterized in that the lower end of said bottom plate (1) is fixedly connected with a rubber pad, and the lower end of said rubber pad is carved with anti-skid lines.

9. A sunshade fixing device for vehicle according to claim 8, wherein three sliding blocks (18) are arranged in T-shape, three limiting sliding grooves (5) are arranged in T-shape, and three limiting sliding grooves (5) are matched with three sliding blocks (18) respectively.

10. A sunshade fastening for motor vehicles, according to claim 9, wherein said supporting pillar (4) is arranged in a triangular shape, said sliding ring (10) being adapted to said supporting pillar (4).

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