CN212353575U

CN212353575U - Leather truck tail box rolling blind cover

Info

Publication number: CN212353575U
Application number: CN202020685396.9U
Authority: CN
Inventors: 李文昶
Original assignee: Foshan Renweitong Automobile Technical Service Co ltd
Current assignee: Foshan Subeizai Intelligent Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-15
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a pickup tail case roller shutter lid, include: the roller shutter box is arranged at the top of the front end of the pickup tail box; a rotating shaft, a torsion spring is arranged in the rotating shaft, a rotating connecting rod is arranged between the rotating shaft and the torsion spring, and the outside of the rotating shaft is connected with a roller shutter box; the fixed rods are arranged on the side plates at two sides of the pick-up truck; the rolling curtain is wound on the rotating shaft, the end part of the rolling curtain is provided with an edge rod, the edge rods are respectively connected with the fixed rod bolts, and the middle part of each edge rod is provided with an anti-theft lock; the connecting strip is fixedly arranged on one side of the bottom of the roller shutter close to the fixed rod and is arranged on the carriage; the cover plate is divided into three blocks to cover the rolling curtain box. The utility model discloses a pickup tail box roller shutter cover adopts pre-buried waterproof adhesive tape and reserves the aqueduct and reaches dual waterproof mechanism; the opening and closing are carried out at will, the ejection type opening is carried out, the opening and closing operation is stable, and the sealing performance is strong; the opening and closing can be controlled by the pull rope, the opening and closing can also be controlled by the lock, and the space utilization rate is effectively improved.

Description

Leather truck tail box rolling blind cover

Technical Field

The utility model relates to a freight transportation equipment technical field, concretely relates to pickup tail case roller shutter lid.

Background

With the development of the social and economic level and the improvement of the living standard of people, the popularization rate of the pickup truck is greatly increased. The pick-up trucks on the market at present not only keep the cargo carrying performance of the trucks, but also increase the comfort level of the cars, are more and more favored by common families, and also become the first choice vehicles for collective family outings. When cargo is loaded, a serious defect exists: if luggage or goods are put in the rear hopper, the goods can be damaged under the condition that the wind blows, and the sun and the rain fall. However, the waterproof tarpaulin on the market is difficult to see in appearance and not firm in binding, and goods are easy to lose when the road surface bumps. At present, the tail box roller shutter cover is used for preventing the wind from being blown by the sun, the torsion spring is used for rolling the shutter body, the torsion force of the torsion spring influences the rolling effect of the shutter body, and the control and the water prevention of the current opening and closing of the tail box roller shutter cover are not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pick up tail-box roller shutter lid, this pick up tail-box roller shutter lid have easily control, the control of opening and shutting is convenient, waterproof drainage function is reliable and the function of easy clearance.

A pickup tail box roller blind cover comprising:

the roller shutter box is arranged at the top of the front end of the pickup tail box;

a rotating shaft, a torsion spring is arranged in the rotating shaft, a rotating connecting rod is arranged between the rotating shaft and the torsion spring, and the outside of the rotating shaft is connected with a roller shutter box;

the fixed rods are arranged on the side plates at two sides of the pick-up truck;

the rolling curtain is wound on the rotating shaft, the end part of the rolling curtain is provided with a side rod, the side rods are respectively connected with the fixed rod bolts, and the middle part of each side rod is provided with an anti-theft lock;

the connecting strip is fixedly arranged on one side of the bottom of the roller shutter close to the fixed rod and is arranged on the carriage;

the cover plate is divided into three blocks to cover the roller shutter box.

As an improvement of the scheme, the fixing rod is provided with a drainage groove, and two ends of the bottom of the roller shutter box are provided with drainage pipes.

As an improvement of the scheme, an adjusting assembly is installed at one end of the rotating shaft and comprises a first end cover, an adjusting connecting rod and a clamping piece, the adjusting connecting rod penetrates through the first end cover and is fixedly connected with one end of the torsion spring, an inner corner head is arranged on the adjusting connecting rod, an outer tooth surface is arranged on the adjusting connecting rod, and the clamping piece is installed on the first end cover and faces towards the outer tooth surface, and the outer tooth surface can move in a telescopic mode and is clamped on the outer tooth surface.

As an improvement of the above scheme, the body of rod of adjusting the connecting rod with threaded connection between the torsion spring, adjust the connecting rod with still be equipped with first solid fixed ring between the torsion spring, first solid fixed ring with adjust mutual joint between the connecting rod, first solid fixed ring cup joints on the torsion spring and with the screw-fastening between the two.

As an improvement of the above scheme, the clip includes a fixed seat, an insertion strip and a second spring, the fixed seat is mounted on the first end cover, the insertion strip is movably mounted on the fixed seat, and the second spring is mounted between the insertion strip and the fixed seat; one end of the cutting slip clamped on the outer tooth surface is a sharp angle, the upper end surface of the sharp angle is a plane, and the lower plane is an inclined plane.

As an improvement of the above scheme, the rotating connecting rod is in threaded connection with the torsion springs, a second fixing ring is further arranged between the rotating connecting rod and the torsion springs and is clamped with the rotating connecting rod, and the second fixing ring is sleeved on the torsion springs and is fastened with screws between the torsion springs.

As an improvement of the scheme, the anti-theft lock comprises a right clamping pin pull rod, a left clamping pin pull rod, a support rod, an unlocking linkage rod (74), a pulling wire and a locking hook.

As an improvement of the scheme, the stay bar is rotatably connected to a fixed side wall of the anti-theft lock, a pull wire is installed at the front end of the stay bar and connected with the pull rope, and springs and clamping blocks are arranged on two sides of the pull wire; a right bayonet lock pull rod and a left bayonet lock pull rod are arranged on one side of the support rod, the right bayonet lock pull rod and the left bayonet lock pull rod are oppositely arranged, and the lower ends of the two bayonet lock pull rods are rotatably connected to the fixed side wall of the cover lock; the lower end of the support rod is provided with an unlocking linkage rod, one end of the unlocking linkage rod is provided with a spring locking piece, and the middle position of the unlocking linkage rod is provided with a locking hook; the pull rope is pulled, the right clamping pin pull rod and the left clamping pin pull rod are downward to separate from the support rod, and the clamping block is pulled by the spring to separate from the clamping groove, so that unlocking is realized.

As an improvement of the scheme, the roller shutter comprises a plurality of connecting sheets which are sequentially connected together.

As an improvement of the above scheme, one end of the connecting strip is provided with a screw hole, and the connecting strip is connected with the fixing rod bolt through the screw hole; the other end of the connecting strip is provided with a bolt with a cap, and the connecting strip is connected with the carriage through the bolt with the cap.

As an improvement of the scheme, the front end of the roller shutter box is fixedly provided with an aluminum alloy strip padded with a foam adhesive tape.

As an improvement of the scheme, inner waterproof strips are arranged at the contact positions of the inner upper edges of the fixed rod and the side rod and the roller shutter.

The utility model has the advantages that:

the utility model discloses a pickup tail box roller shutter cover, which adopts a pre-embedded waterproof adhesive tape and a reserved aqueduct to achieve a double waterproof mechanism; the roller shutter cover can be opened and closed at will and opened in an ejection mode, the opening and closing operation is stable, and the sealing performance is strong; the opening and closing can be controlled by the pull rope, the opening and closing can also be controlled by the lock, and the space utilization rate is effectively improved. Through the cooperation between adjusting connecting rod and the torsion spring, realize adjusting torsion spring's torsion, utilize the flexible removal of fastener to fix adjusting connecting rod, simple structure, it is convenient to use the regulation.

Drawings

FIG. 1 is a schematic structural view of the roller blind cover of the pickup truck tail box of the present invention;

fig. 2 is a schematic structural diagram of the torque adjusting device of the present invention;

FIG. 3 is a schematic view showing the usage state of the rolling shutter cover of the present invention when the rolling shutter cover is opened;

FIG. 4 is a schematic view of the anti-theft lock of the rolling cover of the pickup truck tail box of the present invention;

FIG. 5 is a schematic front view of the present pickup truck tail box roller blind cover;

FIG. 6 is a schematic view of the reverse side of the roller blind cover of the pickup truck tail box of the present invention;

FIG. 7 is an assembled internal cross-sectional view of the adjustment assembly of the present invention;

fig. 8 is a schematic structural view of the adjusting connecting rod of the present invention;

fig. 9 is a schematic view of an assembly structure of the adjusting assembly of the present invention;

fig. 10 is a schematic view of the fastener structure of the present invention;

fig. 11 is a schematic view of the internal structure of the rotary connecting rod end of the present invention;

FIG. 12 is a schematic view of the connection between the anti-theft lock and the tail of the roller blind cover of the pickup truck tail box.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

Referring to fig. 1 and 2, a leather truck tail box rolling shutter cover includes: the roller shutter box 1 is mounted at the top of the front end of the pickup tail box; a torsion spring 200 is arranged in the rotating shaft 2, a rotating connecting rod 300 is arranged between the rotating shaft 2 and the torsion spring 200, and the rolling curtain box 1 is connected to the outside of the rotating shaft 2; the fixing rods 3 are installed on the side plates at the two sides of the pick-up truck; the roller shutter 4 is wound on the rotating shaft 2, the end part of the roller shutter 4 is provided with a side rod 6, the side rods 6 are respectively connected with the fixed rod 3 through bolts, and the middle part of the side rod 6 is provided with an anti-theft lock 7; the connecting strip 5 is fixedly arranged on one side, close to the fixed rod 3, of the bottom of the roller shutter 4, and the connecting strip 5 is installed on a carriage; the apron 12, the apron 12 divide into three and cover in roll up on the curtain box 1.

As shown in fig. 4 and 12, the antitheft lock 7 includes a right click lever 71, a left click lever 72, a stay 73, an unlocking link 74, a pulling wire 75, and a locking hook 76. The stay bar 73 is rotatably connected to the fixed side wall of the anti-theft lock 7, the front end of the stay bar 73 is provided with a pull wire 75, the pull wire 75 is connected with the pull wire, and two sides of the pull wire 75 are provided with a spring 77 and a fixture block 78; a right bayonet lock pull rod 71 and a left bayonet lock pull rod 72 are arranged on one side of the support rod 73, the right bayonet lock pull rod 71 and the left bayonet lock pull rod 72 are oppositely arranged, and the lower ends of the two bayonet lock pull rods are rotatably connected to the fixed side wall of the anti-theft lock 7; the lower end of the supporting rod 73 is provided with an unlocking linkage rod 74, one end of the unlocking linkage rod 74 is provided with a spring locking piece, a locking hook is arranged at the middle position of the unlocking linkage rod 74, the unlocking linkage rod 74 is arranged corresponding to the locking hole, when a key is turned on, the unlocking linkage rod 74 rotates along with the key, the supporting rod 73 automatically releases the locking buckle, the vehicle cover is opened, the belt is pulled to the left to lock the vehicle cover, the right is pulled to open the lock, the vehicle cover covers the position required by the user at any time, when the locking is completely required, the jack on the lock is pressed again to be automatically locked, the user can completely open the vehicle cover, and the left side of the belt is pulled to temporarily lock the door; in the other pulling pull rope, the right clamping pin pull rod 71 and the left clamping pin pull rod 72 are downward to be separated from the constraint of the support rod 73, and the spring 77 pulls the fixture block 78 to be separated from the fixture groove, so that unlocking is realized.

Be provided with the 75 that acts as go-between on the pickproof lock 7, the 75 that acts as go-between is connected with the stay cord, 75 both sides of acting as go-between are equipped with spring 77 and fixture block 78, the pulling stay cord, it twines in the axis of rotation to roll up the curtain, the outside of axis of rotation is located to the roll curtain box, can shelter from the protection to the roll curtain, make the roll curtain not oxidized by sunshine, after placing article in the pick up goods railway carriage or compartment, the antiport axis of rotation 2, roll curtain 4 is put out, because roll curtain is aluminium alloy material, can guarantee to roll up the expansion that curtain 4 can be smooth, can not appear curling, finally can be with the fixed locking in limit pole 6 and the pick up goods railway carriage or compartment rear end of roll curtain 4 bottom through pickproof lock 7, and the stamp foam adhesive tape can reduce vibrations and increase the sealing.

Referring to fig. 2, 3, 7 and 11, a torsion spring 200 is disposed in the rotating shaft 2, a rotating connecting rod 300 is disposed between the rotating shaft 2 and the torsion spring 200, and the roller shutter 4 is connected to the outside of the rotating shaft 2; the adjusting assembly 400 is mounted at one end of the rotating shaft 2 and comprises a first end cover 410, an adjusting connecting rod 420 and a clamping piece 430, the adjusting connecting rod 420 penetrates through the first end cover 410 and is fixedly connected with one end of the torsion spring 200, an inner corner head 421 is arranged on the adjusting connecting rod 420, an outer tooth surface 422 is arranged on the adjusting connecting rod 420, and the clamping piece 430 is mounted on the first end cover 410 and moves towards the outer tooth surface 422 in a telescopic mode to be clamped on the outer tooth surface 422.

As shown in fig. 2, fig. 3, fig. 7 and fig. 11, the adjusting assembly 400 is located at the left end of the rotating shaft 2, the left end of the torsion spring 200 is fixedly connected with the adjusting connecting rod 420, when the rotating shaft 2 rotates, the clamping piece 430 is clamped on the outer tooth surface 422 of the adjusting connecting rod 420, one end of the torsion spring 200 and one end of the adjusting assembly 400 are used as fixed ends, the rotating connecting rod 300 is fixedly connected with the right end of the torsion spring 200, when a user manually pulls the roller blind 4, the rotating shaft 2 rotates, the torsion spring 200 synchronously rotates and elastically deforms by linking the rotating connecting rod 300, when the roller blind body 4 needs to be folded, the torsion spring 200 deforms and resets, and the roller blind automatically rotates and folds by the resetting torque force. If the folding force of the roller shutter 4 is too small or too large when being folded, the torsion of the torsion spring 200 needs to be adjusted, the clip 430 is pulled open, so that the clip 430 leaves the tooth surface, the inner corner 421 of the adjusting connecting rod 420 can be an inner hexagon, etc., a wrench or other tools matched with the inner corner 421 are inserted into the inner corner 421, at this time, one end of the torsion spring 200 where the rotating connecting rod 300 is located is used as a fixed end, the adjusting connecting rod 420 is rotated by the tools, the clockwise rotating adjusting connecting rod 420, i.e., the torsion spring 200, is twisted and deformed towards the folding direction of the roller shutter 4 to increase the torsion of the torsion spring 200, the counterclockwise rotating adjusting connecting rod 420, i.e., the torsion spring 200, is rotated towards the unfolding direction of the roller shutter 4 to reduce the torsion of the torsion spring 200, the clip 430 is clamped onto the outer tooth surface 422 of the adjusting connecting rod 420, so as to fix the, is convenient to use.

The torsion spring 200 is provided with a central shaft 210 as a support along its axial direction.

As shown in fig. 7 and 9, in some embodiments of the present invention, the rod body of the adjusting connecting rod 420 is connected to the torsion spring 200 by a screw, a first fixing ring 440 is further disposed between the adjusting connecting rod 420 and the torsion spring 200, the first fixing ring 440 is clamped to the adjusting connecting rod 420, the first fixing ring 440 is sleeved on the torsion spring 200 and is fastened to the torsion spring 200 by a screw; as shown in the figure, the rod body of the adjusting connecting rod 420 is provided with an external thread, and the adjusting connecting rod 420 is matched with the torsion spring 200 through the external thread for connection; first solid fixed ring 440 is equipped with first draw-in groove 441, be equipped with first dop 423 on adjusting connecting rod 420, first draw-in groove 441 and the cooperation of first dop 423 make first solid fixed ring 440 and adjusting connecting rod 420 joint each other, be equipped with the screw hole on the rampart of first solid fixed ring 440, first solid fixed ring 440 overlaps on torsion spring 200, use screw 442 to fix between with first solid fixed ring 440 and torsion spring 200 through the screw hole, utilize first solid fixed ring 440 to make fixed connection realize synchronous rotation in order to adjust torsion spring 200 between adjusting connecting rod 420 and the torsion spring 200.

As shown in fig. 10, in some embodiments of the present invention, the clip 430 includes a fixing seat 431, a strip 432 and a second spring 433, the fixing seat 431 is installed on the first end cap 410, the strip 432 is movably installed on the fixing seat 431, and the second spring 433 is installed between the strip 432 and the fixing seat 431; as shown in the figure, be equipped with mounting groove 4322 on the cutting 432, second spring 433 places in mounting groove 4322, the cutting 432 activity is pegged graft on fixing base 431, the one end butt of second spring 433 is in mounting groove 4322, the other end butt of second spring 433 is on fixing base 431, the tip joint of cutting 432 is on adjusting connecting rod 420's external tooth face 422 during the normality, when needing to adjust torsion spring 200, pull out cutting 432 in the direction of deviating from external tooth face 422, second spring 433 compresses, automatic joint is realized on external tooth face 422 to the automatic outside tooth face 422 direction removal of elasticity towards of second spring 433 in cutting 432.

In some embodiments of the present invention, one end of the cutting 432 clamped on the outer tooth surface 422 is a sharp angle 4321, an upper end surface of the sharp angle 4321 is a plane, and a lower plane is an inclined plane; as shown in fig. 10, the upper end surface of the sharp corner 4321 can well ensure that the adjusting link 420 is fixed in a non-torsion adjusting state, so as to prevent the adjusting link 420 from rotating counterclockwise by itself and ensure stability during use.

In some embodiments of the present invention, the rotation connecting rod 300 is connected to the torsion spring 200 by a screw, a second fixing ring 310 is further disposed between the rotation connecting rod 300 and the torsion spring 200, the second fixing ring 310 and the rotation connecting rod 300 are clamped to each other, the second fixing ring 310 is sleeved on the torsion spring 200 and is fastened by a screw; as shown in fig. 11, the rotating connecting rod 300 in fig. 11 is a perspective view, and other components are sectional views, wherein a rod body of the rotating connecting rod 300 is provided with an external thread, and the rotating connecting rod 300 is connected by being fitted into the torsion spring 200 through the external thread; the solid fixed ring 310 of second is equipped with the second draw-in groove (not shown in the figure), be equipped with the second dop (not shown in the figure) on the rotation connecting rod 300, the cooperation of second draw-in groove and second dop makes solid fixed ring 310 of second and rotates the joint mutual joint, be equipped with the screw hole on the rampart of the solid fixed ring 310 of second, the solid fixed ring 310 of second overlaps on torsion spring 200, use the screw hole to fix between with solid fixed ring 310 of second and torsion spring 200, utilize solid fixed ring 310 of second to make fixed connection realize synchronous rotation in order to carry out the use of pulling open or receive to rolling up curtain 4 between rotation connecting rod 300 and the torsion spring.

As shown in fig. 1, side sealing strips are arranged on two sides of a guide rail 5, a tail sealing strip is arranged at the rear end of a roller shutter 4 and is connected with a side rod 6 in a sealing mode, so that water can be prevented from flowing into a carriage body all around, a top sealing strip is arranged at the bottom of a roller shutter box 1, water can be prevented from flowing into the carriage body all around, and the whole surrounding sealing of a covering system is formed.

As shown in fig. 1, fig. 6, dead lever 3 is provided with water drainage tank, gets rid of like this and rolls up curtain 4 to the water that flows of both sides, and 1 bottom both ends of roll curtain box are provided with drain pipe 9, get rid of the water that is brought in by roll curtain 4 through the drain pipe 9 of roll curtain box 1, make water whole by the carriage base angle department lead outside the automobile body, the utility model discloses control and go up by on-vehicle procedure or open and stop button free control, be fit for different crowds and control the switching, through the integral seal and the drainage design to the cover, satisfy waterproof sun-proof function, safe and reliable, maintenance cost is lower.

When the leather truck tail box rolling curtain cover is used, the leather truck tail box rolling curtain cover is installed on a leather truck carriage through the connecting strip. When the carriage cover needs to be closed, the roller shutter only needs to be pulled to one side of the end part; and then, when the roller shutter 4 is pulled to be close to the end part, the clamping hook on one side of the roller shutter 4 penetrates through the opening of the end part and hooks the end part, and the lock head arranged on the side rod is further locked, so that the carriage cover is closed. When the carriage cover needs to be opened, the lock head is firstly opened, the clamping hook is separated from the end part, at the moment, when a user manually pulls the roller shutter 4, the rotating shaft 2 rotates, the rotating connecting rod 300 is linked to enable the torsion spring 200 to synchronously rotate, twist and elastically deform, when the roller shutter body 4 needs to be folded, the torsion spring 200 deforms and resets, and the roller shutter automatically rotates and is folded through the resetting torsion force.

It is to be understood that only the preferred embodiment of the invention has been shown in the drawings and is not to be considered limiting of its scope. Various obvious modifications, changes and equivalents of the embodiments of the present invention can be made by those skilled in the art based on the embodiments shown in the drawings, and all of them are within the protection scope of the present invention.

Claims

1. The utility model provides a pick up tail case roller shutter lid which characterized in that: the method comprises the following steps:

the roller shutter box (1), the roller shutter box (1) is installed on the top of the front end of the pickup tail box;

a rotating shaft (2) is internally provided with a torsion spring (200), a rotating connecting rod (300) is arranged between the rotating shaft (2) and the torsion spring (200), and the rotating shaft (2) is externally connected with a roller shutter box (1);

the fixing rods (3), the fixing rods (3) are installed on the side plates at two sides of the pick-up truck;

the roller shutter (4), the roller shutter (4) is wound on the rotating shaft (2), the end part of the roller shutter is provided with a side rod (6), the side rods (6) are respectively connected with the fixed rod (3) through bolts, and the middle part of the side rod (6) is provided with an anti-theft lock (7);

the connecting strip (5) is fixedly arranged on one side, close to the fixed rod (3), of the bottom of the roller shutter (4), and the connecting strip (5) is arranged on a carriage;

the cover plate (12), the cover plate (12) is divided into three covers on the rolling curtain box (1).

2. The pickup truck tail box roller shade cover of claim 1, wherein: the fixed rod (3) is provided with a drainage groove (8), and drainage pipes (9) are arranged at two ends of the bottom of the roller shutter box (1).

3. The pickup truck tail box roller shade cover of claim 1, wherein: adjusting part (400) is installed to the one end of axis of rotation (2), adjusting part (400) includes first end cover (410), adjusts connecting rod (420) and fastener (430), adjust connecting rod (420) and pass first end cover (410) with torsion spring (200)'s one end fixed connection, it is equipped with interior angle head (421) to adjust connecting rod (420), it is equipped with outer flank of tooth (422) to adjust connecting rod (420), fastener (430) are installed towards on first end cover (410) outer flank of tooth (422) flexible removal is in with the joint on outer flank of tooth (422).

4. The pickup truck tail box roller shade cover of claim 3, wherein: the body of rod of adjusting connecting rod (420) with threaded connection between torsion spring (200), adjust connecting rod (420) with still be equipped with first solid fixed ring (440) between torsion spring (200), first solid fixed ring (440) with adjust mutual joint between connecting rod (420), first solid fixed ring (440) cup joint torsion spring (200) are gone up and are fastened with the screw between the two.

5. The pickup truck tail box roller shade cover of claim 4, wherein: the clamping piece (430) comprises a fixed seat (431), a plug strip (432) and a second spring (433), wherein the fixed seat (431) is installed on the first end cover (410), the plug strip (432) is movably installed on the fixed seat (431), and the second spring (433) is installed between the plug strip (432) and the fixed seat (431); one end of the cutting strip (432) clamped on the outer tooth surface (422) is provided with a sharp corner (4321), the upper end surface of the sharp corner (4321) is a plane, and the lower plane is an inclined plane.

6. The pickup truck tail box roller shade cover of claim 1, wherein: rotate connecting rod (300) with threaded connection between torsion spring (200), rotate connecting rod (300) with still be equipped with the solid fixed ring of second (310) between torsion spring (200), the solid fixed ring of second (310) with rotate mutual joint between connecting rod (300), the solid fixed ring of second (310) cup joints torsion spring (200) are gone up and are fastened with the screw between the two.

7. The pickup truck tail box roller shade cover of claim 1, wherein: the anti-theft lock (7) comprises a right clamping pin pull rod (71), a left clamping pin pull rod (72), a support rod (73), an unlocking linkage rod (74), a pull wire (75) and a locking hook (76).

8. The pickup truck tail box roller shutter cover according to claim 7, wherein the stay bar (73) is rotatably connected to a fixed side wall of the anti-theft lock (7), a pull wire (75) is installed at the front end of the stay bar (73), the pull wire (75) is connected with a pull rope, and a spring (77) and a clamping block (78) are arranged on two sides of the pull wire (75); a right bayonet lock pull rod (71) and a left bayonet lock pull rod (72) are arranged on one side of the support rod (73), the right bayonet lock pull rod (71) and the left bayonet lock pull rod (72) are oppositely arranged, and the lower ends of the two bayonet lock pull rods are rotatably connected to the fixed side wall of the anti-theft lock (7); an unlocking linkage rod (74) is arranged at the lower end of the supporting rod (73), a spring locking piece is arranged at one end of the unlocking linkage rod (74), and a locking hook is arranged in the middle of the unlocking linkage rod (74); the pull rope is pulled, the right clamping pin pull rod (71) and the left clamping pin pull rod (72) are downward to separate from the support rod (73), and the spring (77) pulls the clamping block (78) to separate from the clamping groove, so that unlocking is realized.

9. The pickup truck tail box roller shade cover according to claim 1, wherein the roller shade (4) comprises a plurality of connecting pieces connected in series.

10. The roller blind cover of pickup truck tail box according to claim 1, wherein one end of the connecting bar (5) is provided with a screw hole (10), and the connecting bar (5) is bolted with the fixing bar (3) through the screw hole (10); the other end of the connecting strip (5) is provided with a cap bolt (11), and the connecting strip (5) is connected with the carriage through the cap bolt (11).