CN218228588U - Sunshade screen limiting assembly, sunshade screen and vehicle - Google Patents

Abstract

The utility model relates to a sunshade curtain limit component, a sunshade curtain and a vehicle, wherein the sunshade curtain limit component comprises a bottom beam, a locking mechanism and an unlocking mechanism; the unlocking mechanism comprises a handle and a lever, the middle part of the lever is hinged on the bottom beam, the handle is connected to the first end of the lever and is arranged in the long hole in a sliding mode, and the second end of the lever is provided with a pressing part; the locking mechanism comprises a sliding block, a limiting plate and a first elastic piece, the limiting plate can move up and down between a locking position and an unlocking position, and the first elastic piece is connected between the bottom beam and the limiting plate. The utility model discloses a spacing subassembly of sunshade screen effectively solves the automatic problem of kick-backing of curtain cloth of sunshade screen, improves customer satisfaction. The blind can prevent the dazzling of the driver by the light in the front or the side due to the rebounding of the curtain cloth of the sunshade curtain, thereby ensuring the safe driving of the driver and protecting the life and property safety of the whole vehicle.

Description

Sunshade screen limiting assembly, sunshade screen and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle annex, a spacing subassembly of sunshade screen, sunshade screen and vehicle is related to.

Background

At present, manual cross type and scissor type sun shades configured for passenger cars are limited by friction force of a motion guide rod sliding block and a bottom section bar of the sun shade. When the vehicle runs and jolts, the bumping force of the sunshade curtain is larger than the friction force between the motion guide rod sliding block and the sunshade curtain bottom section bar, the curtain cloth of the sunshade curtain automatically rebounds, and the use feeling of a client is poor. In severe cases, the curtain fabric of the sunshade may be rebounded to cause the driver to be dazzled by the front or side light, thereby deviating from the driving lane and causing a traffic accident. And the longer the sunshade screen is used, the smaller the friction force between the motion guide rod sliding block and the bottom section bar of the sunshade screen is, and the higher the automatic rebounding frequency of the curtain cloth of the sunshade screen is.

Therefore, in the existing sunshade curtain, the curtain cloth of the sunshade curtain is easy to automatically rebound in a friction force limiting mode of the motion guide rod sliding block and the bottom section bar of the sunshade curtain.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: aiming at the problem that the cord fabric of the sunshade screen is easy to automatically rebound in the friction force limiting mode of the motion guide rod sliding block and the bottom section bar of the sunshade screen of the existing sunshade screen, the sunshade screen limiting assembly, the sunshade screen and a vehicle are provided.

In order to solve the technical problem, on the one hand, the utility model provides a sunshade curtain, which comprises a bottom beam, a locking mechanism and an unlocking mechanism, wherein the bottom beam is provided with a chute which extends along the length direction of the bottom beam and is provided with an opening on one side, the bottom beam is provided with a long hole which extends along the vertical direction and is positioned on the opposite side of the opening of the chute, and the locking mechanism and the unlocking mechanism are arranged in the chute;

the unlocking mechanism comprises a handle and a lever, the middle part of the lever is hinged on the bottom beam, the handle is connected to the first end of the lever and is arranged in the long hole in a sliding mode, and the second end of the lever is provided with a pressing part;

the locking mechanism comprises a sliding block, a limiting plate and a first elastic piece, the limiting plate can move up and down between a locking position and an unlocking position, the first elastic piece is connected between the bottom beam and the limiting plate, the first elastic piece always pushes the limiting plate upwards, a plurality of limiting bulges which are mutually spaced are arranged on the upper surface of the limiting plate along the length direction of the bottom beam, and limiting surfaces are arranged on the limiting bulges; the sliding block is used for connecting a telescopic connecting rod assembly of the sun-shading curtain;

when the limiting plate is located at the locking position, the handle is located at the lower end of the long hole, and one side surface of the sliding block abuts against the limiting surface, so that the displacement of the sliding block along the length direction of the sliding groove is limited; in the locking position of the limiting plate, the handle is pulled upwards to drive the lever to rotate, the downward pressing portion pushes the limiting plate downwards to the unlocking position, and the sliding block is separated from the limiting surface, so that the sliding block can move along the length direction of the sliding groove.

Optionally, the unlocking mechanism further comprises a second elastic member, the second elastic member is connected between the bottom beam and the first end of the lever, and the second elastic member always pulls the first end of the lever downwards;

when the limiting plate is located at the locking position, the pressing portion is abutted to the upper surface of the limiting plate, and the handle is kept at the lower end of the long hole through downward pulling force of the second elastic piece.

Optionally, the first elastic member and the second elastic member are springs.

Optionally, the cross section of the limiting protrusion is in the shape of a right triangle, the limiting surface is a vertical surface, and the opposite side of the limiting protrusion on the limiting surface is an inclined surface;

and a round corner surface is arranged at the bottom corner of one side of the sliding block, and the round corner surface of the sliding block is abutted to the inclined surface at the locking position of the limiting plate.

Optionally, a plurality of the limiting protrusions are arranged at equal intervals.

Optionally, the sunshade screen limiting assembly further comprises a first guide piece and a second guide piece, the first guide piece and the second guide piece are fixed on the bottom beam, and the limiting plate is connected with the first guide piece and the second guide piece in a sliding mode, so that the limiting plate can move up and down along the first guide piece and the second guide piece.

Optionally, two opposite sides of the limiting plate in the length direction are respectively provided with a first through hole and a second through hole, and the bottom of the bottom beam is provided with a third through hole located below the first through hole and a fourth through hole located below the second through hole;

the first guide piece comprises a first bolt, a first sleeve and a first nut, the first sleeve is connected in the first through hole in a sliding mode, the head of the first bolt is located above the first sleeve and the limiting plate, the rod part of the first bolt penetrates through the first sleeve and the third through hole, the first nut is in threaded connection with the first bolt, and the first nut is tightly pressed on the lower surface of the bottom beam so as to fix the first sleeve on the bottom beam;

the second guide piece comprises a second bolt, a second sleeve and a second nut, the second sleeve is connected in the second through hole in a sliding mode, the head of the second bolt is located above the second sleeve and the limiting plate, the rod of the second bolt penetrates through the second sleeve and the fourth through hole, the second nut is in threaded connection with the second bolt, and the second nut is tightly pressed on the lower surface of the bottom beam so as to fix the second sleeve on the bottom beam;

the first sleeve and the second sleeve are vertically arranged, and the limiting plate can move up and down along the first sleeve and the second sleeve.

Optionally, the upper end of the first sleeve is provided with a first annular flange, and the head of the first bolt is pressed on the upper surface of the first annular flange; a second annular flange is arranged at the upper end of the second sleeve, and the head of the second bolt is tightly pressed on the upper surface of the second annular flange;

when the limiting plate is located at the locking position, the upper surface of the limiting plate is abutted to the lower surface of the first annular flange and the lower surface of the second annular flange.

Optionally, a third through hole is formed in the first end of the lever, the handle is perpendicular to the sliding groove, the handle comprises a handle body and a threaded rod connected to one end of the handle body, the inner diameter of the third through hole is between the outer diameter of the threaded rod and the outer diameter of the handle body, and the threaded rod penetrates through the third through hole;

the sunshade curtain limiting assembly further comprises a third nut which is in threaded connection with the threaded rod, and the handle is fixed to the first end of the lever by screwing the third nut.

Optionally, a fourth through hole is arranged in the middle of the lever;

the sun-shading curtain limiting assembly further comprises a first stud and a fourth nut, the first stud is fixed in the bottom beam and perpendicular to the sliding groove, the first stud is rotatably inserted into the fourth through hole, and the fourth nut is in threaded connection with the first stud.

Optionally, the pressing portion is hook-shaped, a pressing surface abutted against the upper surface of the limiting plate is arranged at the bottom of the pressing portion, and round corners are arranged on two opposite sides of the pressing surface along the length direction of the sliding groove.

According to the utility model discloses spacing subassembly of sunshade screen, spacing bellied spacing face through on slider and the limiting plate of locking mechanism supports and leans on, can restrict the slider along the length direction's of spout displacement, because the flexible link assembly of sunshade screen is connected to the slider, therefore, can restrict flexible link assembly's concertina movement, realize the self-locking function of sunshade screen. Effectively solves the problem of automatic rebound of the curtain cloth of the sun-shading curtain and improves the satisfaction degree of customers. The blind curtain avoids dazzling of a driver by light in front or at the side due to rebounding of the curtain cloth of the sunshade curtain, ensures safe driving of the driver and protects life and property safety of personnel in the whole vehicle.

On the other hand, the embodiment of the utility model provides a sunshade screen is still provided, including curtain cloth, back timber, flexible link mechanism and the spacing subassembly of foretell sunshade screen, be provided with the spool on the back timber, the one end of curtain cloth is fixed on the spool, the other end of curtain cloth is fixed on the floorbar, flexible link mechanism connects between back timber and the floorbar.

Optionally, the telescopic link mechanism includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod is hinged to the second connecting rod in the middle, the third connecting rod is hinged to the fourth connecting rod in the middle, the upper end of the first connecting rod is fixed to the top beam, the lower end of the first connecting rod is hinged to the upper end of the fourth connecting rod, the upper end of the second connecting rod is fixed to the top beam, the lower end of the second connecting rod is hinged to the upper end of the third connecting rod, the lower end of the fourth connecting rod is fixed to the bottom beam, and the lower end of the third connecting rod is hinged to the sliding block.

Optionally, a fifth through hole is formed at the lower end of the third connecting rod;

the sunshade curtain limiting assembly further comprises a second stud and a fifth nut, one end of the second stud is fixed to the sliding block, the second stud is perpendicular to the sliding groove, the second stud is rotatably inserted into the fifth through hole, and the fifth nut is in threaded connection with the second stud.

Optionally, flexible link mechanism includes first connecting rod and second connecting rod, first connecting rod and second connecting rod cross arrangement just are articulated in the centre, the upper end of first connecting rod is fixed on the back timber, the lower extreme of first connecting rod articulates on the slider, the upper end of second connecting rod is fixed on the back timber, the lower extreme of second connecting rod is connected just can be followed on the floorbar the spout slides.

In another aspect, an embodiment of the present invention further provides a vehicle, including the above sunshade curtain.

Drawings

Fig. 1 is a schematic structural view of a sunshade provided in an embodiment of the present invention;

FIG. 2 is another perspective view of FIG. 1;

fig. 3 is a schematic view illustrating a position-limiting plate of the sunshade curtain according to an embodiment of the present invention in a locked position;

fig. 4 is a schematic view illustrating a position-limiting plate of the sunshade in an unlocked position according to an embodiment of the present invention;

fig. 5 is a schematic view of a partial structure of a bottom beam of the sunshade according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a limiting plate of the sunshade according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a lever and a handle of the sunshade according to an embodiment of the present invention;

fig. 8 is a schematic connection diagram of a slider and a telescopic link mechanism of the sunshade curtain according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a cord fabric; 2. a top beam; 3. a telescopic link mechanism; 31. a first link; 32. a second link; 33. a third link; 34. a fourth link; 4. a bottom beam; 41. a chute; 42. a long hole; 5. a locking mechanism; 51. a slider; 511. a rounded corner surface; 52. a limiting plate; 521. a limiting bulge; 5211. a limiting surface; 5212. a bevel; 53. a first elastic member; 6. an unlocking mechanism; 61. a handle; 611. a handle main body; 612. a threaded rod; 62. a lever; 621. a pressing part; 6211. pressing the surface; 622. a fourth via hole; 63. a second elastic member; 7. a first guide member; 71. a first bolt; 72. a first sleeve; 721. a first annular flange; 73. a first nut; 8. second guiding; 81. a second bolt; 82. a second sleeve; 821. a second annular flange; 83. a second nut; 9. a third nut; 10. a first stud; 20. and a fourth nut.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 8, the sunshade curtain provided by the embodiment of the present invention includes a curtain cloth 1, a top beam 2, a telescopic link mechanism 3 and a sunshade curtain limiting component, wherein a winding shaft (not shown in the figure) is arranged on the top beam 2.

The sunshade curtain limiting assembly comprises a bottom beam 4, a locking mechanism 5 and an unlocking mechanism 6, wherein the bottom beam 4 is provided with a sliding groove 41 which extends along the length direction of the bottom beam and is provided with an opening on one side, the bottom beam 4 is positioned on the opposite side of the opening of the sliding groove 41 and is provided with a long hole 42 which extends along the vertical direction, and the locking mechanism 5 and the unlocking mechanism 6 are arranged in the sliding groove 41.

The top beam 2 and the bottom beam 4 are aluminum profiles and have C-shaped sections, and the openings of the C-shaped sections are the sliding grooves 41. Of course, the top beam 2 and the bottom beam 4 may have a T-shaped cross section. The C-shaped section and the T-shaped section are used for preventing the bolt from falling out of the sliding groove.

The unlocking mechanism 6 comprises a handle 61 and a lever 62, the middle part of the lever 62 is hinged on the bottom beam 4, the handle 61 is connected to the first end of the lever 62 and is arranged in the long hole 42 in a sliding mode, and the second end of the lever 62 is provided with a pressing part 621.

The locking mechanism 5 comprises a slider 51, a limiting plate 52 and a first elastic member 53, the limiting plate 52 can move up and down between a locking position (shown in fig. 3) and an unlocking position (shown in fig. 4), the first elastic member 53 is connected between the bottom beam 4 and the limiting plate 52, the first elastic member 53 always pushes the limiting plate 52 upwards, a plurality of limiting protrusions 521 which are spaced from each other are arranged on the upper surface of the limiting plate 52 along the length direction of the bottom beam 4, a limiting surface 5211 is arranged on one side of each limiting protrusion 521, and specifically, a limiting surface 5211 is arranged on one side of each limiting protrusion 521, which faces the handle 61; the sliding block 51 is used for connecting a telescopic connecting rod component 3 of the sun-shading curtain.

As shown in fig. 3, when the position-limiting plate 52 is in the locking position, the pull tab 61 is located at the lower end of the long hole 42, and one side surface of the slider 51 abuts against the limiting surface 5211, specifically, one side surface of the slider 51 facing away from the pull tab 61 abuts against the limiting surface 5211, so that the displacement of the slider 51 along the length direction of the sliding groove 41 is limited; in the locking position of the position-limiting plate 52, the handle 61 is pulled upwards to drive the lever 62 to rotate, the pressing portion 621 pushes the position-limiting plate 52 downwards to the unlocking position (see fig. 4), and the slider 51 is disengaged from the position-limiting surface 5211, so that the slider 51 can move along the length direction of the sliding groove 41.

One end of the curtain cloth 1 is fixed on the scroll, the other end of the curtain cloth 1 is fixed on the bottom beam 4, and the telescopic connecting rod mechanism 3 is connected between the top beam 2 and the bottom beam 4.

In an embodiment, referring to fig. 3 and 4, the unlocking mechanism 6 further includes a second elastic member 63, the second elastic member 63 is connected between the bottom beam 4 and the first end of the lever 62, and the second elastic member 63 always pulls the first end of the lever 62 downward; when the stopper plate 52 is in the lock position, the pressing portion 621 abuts against the upper surface of the stopper plate 52, and the handle 61 is held at the lower end of the elongated hole 42 by the downward pulling force of the second elastic member 63.

In one embodiment, the first elastic member 53 and the second elastic member 63 are springs. Preferably, referring to fig. 3 and 4, the first elastic member 53 is provided in two, so that the pushing force of the first elastic member applied to the position-limiting plate 52 is more uniform.

However, the spring may also be replaced by an element having a similar function, such as a spring sheet, elastic rubber, or the like.

In one embodiment, as shown in fig. 3, 4 and 6, the cross section of the limiting protrusion 521 is a right triangle, the limiting surface 5211 is a vertical surface, and the opposite side of the limiting protrusion 521 on the limiting surface 5211 is a slope 5212. A round surface 511 is disposed at a bottom corner of one side of the slider 51, and in the locking position of the limit plate 52, the round surface 511 of the slider 51 abuts against the inclined surface 5212.

However, in other embodiments, the cross section of the limiting protrusion 521 may be square, and both sides of the limiting protrusion 521 are vertical surfaces.

However, in other embodiments, the bottom corner of one side of the slider 51 may be a right angle or a bevel.

In one embodiment, the plurality of limiting protrusions 521 are arranged at equal intervals. Thus, when the curtain cloth 1 is pulled downwards, the sliding distance is the same when the sliding block 51 passes through and abuts against one limiting protrusion 521, and correspondingly, the pulling-down length of the curtain cloth 1 is increased at equal intervals.

However, a plurality of the stopper projections 521 may be disposed at unequal intervals.

In an embodiment, referring to fig. 3, 4 and 6, the sunshade curtain limiting assembly further includes a first guiding element 7 and a second guiding element 8, the first guiding element 7 and the second guiding element 8 are fixed on the bottom beam 4, and the limiting plate 52 is slidably connected with the first guiding element 7 and the second guiding element 8, so that the limiting plate 52 can move up and down along the first guiding element 7 and the second guiding element 8.

In an embodiment, two opposite sides of the length direction of the limiting plate 52 are respectively provided with a first through hole and a second through hole, and the bottom of the bottom beam 4 is provided with a third through hole located below the first through hole and a fourth through hole located below the second through hole; the first guide member 7 includes a first bolt 71, a first sleeve 72 and a first nut 73, the first sleeve 72 is slidably connected in the first through hole, a head of the first bolt 71 is located above the first sleeve 72 and the limit plate 52, a rod of the first bolt 71 passes through the first sleeve 52 and the third through hole, the first nut 73 is in threaded connection with the first bolt 71, and the first nut 73 is pressed against the bottom lower surface of the bottom beam 4 to fix the first sleeve 72 on the bottom beam 4; the second guiding element 8 comprises a second bolt 81, a second sleeve 82 and a second nut 83, the second sleeve 82 is slidably connected in the second through hole, the head of the second bolt 81 is located above the second sleeve 82 and the limiting plate 52, the rod of the second bolt 81 passes through the second sleeve 82 and the fourth through hole, the second nut 83 is in threaded connection with the second bolt 81, and the second nut 83 is tightly pressed on the lower bottom surface of the bottom beam 4 to fix the second sleeve 82 on the bottom beam 4; the first sleeve 72 and the second sleeve 82 are vertically arranged, and the limiting plate 52 can move up and down along the first sleeve 72 and the second sleeve 82. That is, the first sleeve 72 and the second sleeve 82 are used for guiding the stopper plate 52 to move up and down.

However, the first guide 7 and the first guide 8 may be a guide rod, a pin, or the like.

In an embodiment, the upper end of the first sleeve 72 is provided with a first annular flange 721, and the head of the first bolt 71 is pressed against the upper surface of the first annular flange 721; a second annular flange 821 is arranged at the upper end of the second sleeve 82, and the head of the second bolt 81 is pressed on the upper surface of the second annular flange 821; when the stopper plate 52 is in the lock position, the upper surface of the stopper plate 52 abuts against the lower surfaces of the first and second annular flanges 721, 821. That is, the first and second annular flanges 721, 821 serve to prevent the retainer plate 52 from being disengaged from the first and second sleeves 72, 82 and to limit the maximum upward displacement of the retainer plate 52.

In one embodiment, a third through hole is formed at a first end of the lever 62, the pull handle 61 is perpendicular to the sliding groove 41, the pull handle 61 comprises a pull handle body 611 and a threaded rod 612 connected to one end of the pull handle body 611, an inner diameter of the third through hole is between an outer diameter of the threaded rod 612 and an outer diameter of the pull handle body 611, and the threaded rod 612 passes through the third through hole; the sunshade limit assembly further comprises a third nut 9 screwed on the threaded rod 612, and the handle 61 is fixed at the first end of the lever 62 by screwing the third nut 9. A washer may be provided between the third nut 9 and the first end of the lever 62 to improve the reliability of the connection of the third nut 9.

In one embodiment, referring to fig. 7, the lever 62 is provided with a fourth through hole 62 in the middle; the sunshade curtain limiting assembly further comprises a first stud 10 and a fourth nut 20, the first stud 10 is fixed in the bottom beam 4 in a welding or bonding mode, the first stud 10 is perpendicular to the sliding groove 41, the first stud 10 can be rotatably inserted into the fourth through hole 62, and the fourth nut 20 is in threaded connection with the first stud 10. A washer may be provided between the fourth nut 20 and the middle portion of the lever 62 to improve the connection reliability of the fourth nut 20.

In an embodiment, referring to fig. 7, the pressing portion 621 is hook-shaped, a pressing surface 6211 abutting against the upper surface of the limiting plate 52 is disposed at the bottom of the pressing portion 621, and two opposite sides of the pressing surface 6211 along the length direction of the sliding slot 41 are provided with rounded corners.

Of course, in other embodiments, the pressing portion 621 may be a convex surface disposed at the second end of the lever 62.

The working principle of the sunshade curtain of the embodiment is as follows:

in the locked state shown in fig. 3, when the curtain 1 of the sunshade curtain is pulled or pushed, a downward pulling force is applied to the base beam 4 by a hand, the rounded surface 511 of the sliding block 51 presses on the inclined surface 5211 of the limiting protrusion 521, and the limiting plate 52 is moved downward by the pressure, so that the curtain 1 of the sunshade curtain is normally opened or closed; when the sunshade curtain is opened to a proper position, the acting force on the hand is released, the limiting plate 52 rebounds to the original position under the action of the elastic force of the first elastic piece 53, and the surface (vertical surface) of one side of the sliding block 51, which is far away from the handle 61, abuts against the limiting surface 5211 (vertical surface) of one limiting protrusion 521 of the limiting plate 52, so that the self-locking function of the sunshade curtain is realized. Thus, the curtain 1 is restrained at a predetermined height and does not easily rebound.

When the curtain cloth 1 of the sun-shading curtain needs to be folded, a hand pushes upwards to act on the handle 61, the lever 62 rotates around the first stud 10 along with the pushing action, so that the lower pressing part 621 of the lever 62 moves downwards, when the lower pressing part 621 acts on the limiting plate 52, the limiting plate 52 moves downwards and far along the first guide part 7 and the second guide part 8 integrally due to the pressure action, and when the limiting plate 52 moves downwards to a proper distance, the side surface of the sliding block 51, which is far away from the handle 61, is separated from the limiting surface 5211 of the limiting protrusion 521, so that the curtain cloth 1 of the sun-shading curtain is retracted; when the curtain cloth 1 of the sunshade curtain is retracted to a proper position, the acting force on the hand is released, the lever 62 rebounds to the original position under the action of the elastic force of the second elastic piece 63, so that the side surface of the sliding block 51, which is far away from the pull handle 61, is abutted against the limiting surface 5211 of one limiting protrusion 521 of the limiting plate 52 again, and the self-locking function of the sunshade curtain is realized.

The sunshade shown in fig. 1 and 2 is a cross sunshade, and the telescopic link mechanism 3 includes a first link 31, a second link 32, a third link 33 and a fourth link 34, the first link 31 and the second link 32 are arranged in a cross manner and hinged in the middle, the third link 33 and the fourth link 34 are arranged in a cross manner and hinged in the middle, the upper end of the first link 31 is fixed on the top beam 2 through a bolt, the lower end of the first link 31 is hinged with the upper end of the fourth link 34, the upper end of the second link 32 is fixed on the top beam 2 through a bolt, the lower end of the second link 32 is hinged with the upper end of the third link 33, the lower end of the fourth link 34 is fixed on the bottom beam 4 through a bolt, and the lower end of the third link 33 is hinged on the slider 51 (see fig. 8). When the slide block 51 slides left and right, the telescopic link mechanism 3 can be stretched to adapt to the pulling out or the recovery of the curtain cloth 1.

In an embodiment, a fifth through hole is formed at a lower end of the third link 33; the sunshade curtain limiting assembly further comprises a second stud and a fifth nut, one end of the second stud is fixed on the sliding block 51, the second stud is perpendicular to the sliding groove 41, the second stud is rotatably inserted into the fifth through hole, and the fifth nut is in threaded connection with the second stud, so that the lower end of the third connecting rod 33 is hinged to the sliding block 51.

In another embodiment not shown in the drawings, the sunshade curtain may also be a scissors-type sunshade curtain, that is, the telescopic link mechanism includes a first link and a second link, the first link and the second link are disposed in a crossed manner and hinged in the middle, the upper end of the first link is fixed on the top beam, the lower end of the first link is hinged on the sliding block, the upper end of the second link is fixed on the top beam, and the lower end of the second link is connected to the bottom beam and can slide along the sliding groove. That is, in this embodiment, the lower ends of the first link and the second link both need to be slidably connected to the bottom beam, so that the telescopic link mechanism can be extended and retracted to adapt to the pulling out or retrieving of the curtain cloth.

According to the utility model discloses spacing subassembly of sunshade screen supports through slider 51 and spacing protruding 521 spacing face 5211 and leans on, can restrict slider 51 along the length direction's of spout 41 displacement, because slider 51 connects the telescopic link assembly 3 of sunshade screen, therefore, can restrict telescopic link assembly 3's concertina movement, realizes the self-locking function of sunshade screen. Effectively solves the problem of automatic rebound of the curtain cloth 1 of the sun-shading curtain and improves the satisfaction degree of customers. The blind curtain avoids dazzling of a driver caused by the rebounding of the curtain cloth 1 of the sunshade curtain by light in the front or the side, ensures safe driving of the driver and protects the life and property safety of the personnel in the whole vehicle.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (16)

1. A sunshade curtain limiting assembly is characterized by comprising a bottom beam, a locking mechanism and an unlocking mechanism, wherein the bottom beam is provided with a sliding groove which extends along the length direction of the bottom beam and is provided with an opening on one side, a long hole which extends along the vertical direction is formed in the position, opposite to the opening of the sliding groove, of the bottom beam, and the locking mechanism and the unlocking mechanism are arranged in the sliding groove;

the unlocking mechanism comprises a handle and a lever, the middle part of the lever is hinged on the bottom beam, the handle is connected to the first end of the lever and is arranged in the long hole in a sliding mode, and the second end of the lever is provided with a pressing part;

the locking mechanism comprises a sliding block, a limiting plate and a first elastic piece, the limiting plate can move up and down between a locking position and an unlocking position, the first elastic piece is connected between the bottom beam and the limiting plate, the first elastic piece always pushes the limiting plate upwards, a plurality of limiting bulges which are mutually spaced are arranged on the upper surface of the limiting plate along the length direction of the bottom beam, and limiting surfaces are arranged on the limiting bulges; the sliding block is used for connecting a telescopic connecting rod assembly of the sun-shading curtain;

when the limiting plate is located at the locking position, the handle is located at the lower end of the long hole, and one side surface of the sliding block abuts against the limiting surface, so that the displacement of the sliding block along the length direction of the sliding groove is limited; in the locking position of the limiting plate, the handle is pulled upwards to drive the lever to rotate, the downward pressing portion pushes the limiting plate downwards to the unlocking position, and the sliding block is separated from the limiting surface, so that the sliding block can move along the length direction of the sliding groove.

2. The covering stop assembly of claim 1 wherein said unlocking mechanism further comprises a second spring connected between said sill and said first end of said lever, said second spring always pulling said first end of said lever downward;

when the limiting plate is located at the locking position, the pressing portion is abutted to the upper surface of the limiting plate, and the handle is kept at the lower end of the long hole through downward tensile force of the second elastic piece.

3. The covering stop assembly of claim 1 wherein said first and second resilient members are springs.

4. The sunshade screen limiting assembly of claim 1, wherein the cross section of the limiting protrusion is a right triangle, the limiting surface is a vertical surface, and the opposite side of the limiting protrusion on the limiting surface is an inclined surface;

and a round corner surface is arranged at the bottom corner of one side of the sliding block, and the round corner surface of the sliding block is abutted to the inclined surface at the locking position of the limiting plate.

5. The covering stop assembly of claim 1 wherein a plurality of said stop protrusions are equally spaced.

6. The sunshade assembly of claim 1 further including a first guide and a second guide, said first and second guides being fixed to said sill, said stopper plate being slidably connected to said first and second guides such that said stopper plate can move up and down along said first and second guides.

7. The sunshade limiting assembly of claim 6, wherein a first through hole and a second through hole are respectively formed in two opposite sides of the limiting plate in the length direction, and a third through hole located below the first through hole and a fourth through hole located below the second through hole are formed in the bottom of the bottom beam;

the first guide piece comprises a first bolt, a first sleeve and a first nut, the first sleeve is connected in the first through hole in a sliding mode, the head of the first bolt is located above the first sleeve and the limiting plate, the rod part of the first bolt penetrates through the first sleeve and the third through hole, the first nut is in threaded connection with the first bolt, and the first nut is tightly pressed on the lower surface of the bottom beam so as to fix the first sleeve on the bottom beam;

the second guide piece comprises a second bolt, a second sleeve and a second nut, the second sleeve is connected in the second through hole in a sliding mode, the head of the second bolt is located above the second sleeve and the limiting plate, the rod of the second bolt penetrates through the second sleeve and the fourth through hole, the second nut is in threaded connection with the second bolt, and the second nut is tightly pressed on the lower surface of the bottom beam so as to fix the second sleeve on the bottom beam;

the first sleeve and the second sleeve are vertically arranged, and the limiting plate can move up and down along the first sleeve and the second sleeve.

8. The covering stop assembly of claim 7 wherein the upper end of the first sleeve is provided with a first annular flange against the upper surface of which the head of the first bolt is pressed; a second annular flange is arranged at the upper end of the second sleeve, and the head of the second bolt is tightly pressed on the upper surface of the second annular flange;

when the limiting plate is located at the locking position, the upper surface of the limiting plate is abutted to the lower surface of the first annular flange and the lower surface of the second annular flange.

9. The blind stop assembly of claim 1 wherein the first end of the lever is provided with a third through hole, the pull handle is perpendicular to the chute, the pull handle includes a handle body and a threaded rod connected to one end of the handle body, the third through hole has an inner diameter between an outer diameter of the threaded rod and an outer diameter of the handle body, and the threaded rod passes through the third through hole;

the sunshade curtain limiting assembly further comprises a third nut which is in threaded connection with the threaded rod, and the handle is fixed to the first end of the lever by screwing the third nut.

10. The covering stop assembly of claim 1 wherein a fourth through hole is provided in the middle of said lever;

the sun-shading curtain limiting assembly further comprises a first stud and a fourth nut, the first stud is fixed in the bottom beam and perpendicular to the sliding groove, the first stud is rotatably inserted into the fourth through hole, and the fourth nut is in threaded connection with the first stud.

11. The sunshade curtain limiting assembly of claim 1, wherein the pressing portion is hook-shaped, a pressing surface abutted against the upper surface of the limiting plate is arranged at the bottom of the pressing portion, and round corners are arranged on two opposite sides of the pressing surface along the length direction of the sliding groove.

12. A sun-shading curtain is characterized by comprising a curtain cloth, a top beam, a telescopic connecting rod mechanism and the sun-shading curtain limiting assembly according to any one of claims 1 to 11, wherein a scroll is arranged on the top beam, one end of the curtain cloth is fixed on the scroll, the other end of the curtain cloth is fixed on the bottom beam, and the telescopic connecting rod mechanism is connected between the top beam and the bottom beam.

13. The covering of claim 12 wherein the pantograph linkage includes a first link, a second link, a third link and a fourth link, the first link and the second link are disposed across and hinged at the middle, the third link and the fourth link are disposed across and hinged at the middle, the upper end of the first link is fixed to the top beam, the lower end of the first link is hinged to the upper end of the fourth link, the upper end of the second link is fixed to the top beam, the lower end of the second link is hinged to the upper end of the third link, the lower end of the fourth link is fixed to the bottom beam, and the lower end of the third link is hinged to the slider.

14. The covering of claim 13 wherein the lower end of said third link is provided with a fifth through hole;

the sunshade curtain limiting assembly further comprises a second stud and a fifth nut, one end of the second stud is fixed to the sliding block, the second stud is perpendicular to the sliding groove and can be rotatably inserted into the fifth through hole, and the fifth nut is in threaded connection with the second stud.

15. The covering of claim 12 wherein the pantograph linkage includes a first link and a second link, the first link and the second link being disposed in a crossed configuration and being hinged in the middle, the first link being fixed at an upper end to the top rail, the first link being hinged at a lower end to the slider, the second link being fixed at an upper end to the top rail, the second link being connected at a lower end to the bottom rail and being slidable along the chute.

16. A vehicle, characterized by comprising a sun blind according to any one of claims 12-15.

Images