CN211731187U

CN211731187U - Pick up car packing box cloth covering or awning on a car, boat, etc. support that stretches out and draws back

Info

Publication number: CN211731187U
Application number: CN202020223475.8U
Authority: CN
Inventors: 洪晓楼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-23
Anticipated expiration: 2030-02-27

Abstract

The utility model provides a flexible cloth covering or awning on a car, boat, etc. support of pick up car packing box belongs to pick up car spare and accessory part technical field. The technical scheme is as follows: a telescopic cloth awning bracket for a cargo box of a pick-up truck comprises main body mechanisms arranged on the side walls of cargo boxes on the left and right sides of the cargo box of the pick-up truck and a traction transmission mechanism for controlling the extension and contraction of the main body mechanisms. The utility model has the advantages that: the utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support of pick-up car packing box, the structure is ingenious, simple, pleasing to the eye, reasonable in design covers and behind the fixed supporting cloth covering or awning on a car, boat, etc. of fixed supporting, but fast switch over pick-up car packing box open-type, closed two kinds of states, does not influence pick-up car goods loading capacity during the open-type state, can ensure the goods and avoid blowing out the sun during closed state and drench, and the practicality is very strong.

Description

Pick up car packing box cloth covering or awning on a car, boat, etc. support that stretches out and draws back

Technical Field

The utility model relates to a pick up car spare and accessory part technical field especially relates to a flexible cloth covering or awning on a car, boat, etc. support of pick up car packing box.

Background

The pickup truck is a truck type with a cab at the head of a car and an open type cargo box. Pick-up trucks are popular with consumers due to their aesthetic appearance, powerful power, car-like comfort, cross-country vehicle-like trafficability, and practicality of carrying both people and cargo. However, the cargo box of the pickup truck is open, so that the goods in the cargo box are easily exposed to wind, sunshine and rain, and the use convenience of the pickup truck is influenced by the defects. At present mainly adopt the canopy waterproof cloth, install fixed support cloth covering two kinds of modes and protect the goods, the waterproof cloth need the canopy bind when using at every turn, use up need fold and accomodate, use very inconveniently, fixed support cloth covering closed space has reduced pickup truck's the ability of carrying cargo and the convenience of carrying cargo. Therefore, the retractable cloth awning bracket is simple in structure, reasonable in design and convenient to use, the cargo box of the pickup truck can be quickly switched between a closed state and an open state after the cloth awning is arranged on the bracket, the cargo can be prevented from being blown by wind, exposed to the sun and rain in the closed state, and the cargo carrying capacity of the pickup truck is not influenced in the open state.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, reasonable in design, convenient to use's flexible cloth covering support of pick up car packing box makes pick up car packing box can fast switch over closed, two kinds of states of open-type behind a shelf location cloth covering, during the closed state, can prevent that the goods from suffering wind and blowing the sun and rain, has improved pick up car cargo carrying capacity during the open-type state.

The utility model discloses a realize through following measure: a telescopic cloth awning bracket for a cargo box of a pick-up truck comprises a main body mechanism arranged on the side walls of the cargo box at the left side and the right side of the cargo box of the pick-up truck and a traction transmission mechanism for controlling the extension and the contraction of the main body mechanism;

the main body mechanism consists of a driving support, a plurality of driven supports, a fixed support, an L-shaped base, a fan-shaped foot chain, an L-shaped slide rail, a plurality of tent poles and a plurality of groups of pulleys which are symmetrically arranged;

the awning rods are bow-shaped and are respectively arranged at the upper ends of the driving support, the driven support, the fixed support and the fan-shaped foot chains;

the L-shaped base is arranged on the upper edge and the inner side wall of the cargo box of the pickup truck, and the front end of the L-shaped base is aligned with the front end of the side wall of the cargo box;

the L-shaped slide rail is arranged on the inner side surface of the L-shaped base along the front-back direction, and the fixed support is arranged on the upper end surface of the front end of the L-shaped base;

the driving support and the driven support are arranged along the L-shaped sliding rail, and a group of pulleys which move back and forth along the L-shaped sliding rail are arranged on the driving support and the driven support;

the traction transmission mechanism comprises a limiting rope, a rear guide wheel, a driving support pull rope, a rope puller, a front guide wheel and a rope collecting and releasing device;

the limiting ropes are inelastic ropes and are connected with the tent poles in series, and the limiting ropes are connected with joints of the tent poles and used for controlling the distance between the tent poles;

the front guide wheel is arranged at the front end of the inner side surface of the L-shaped base; the front guide wheel rotating shaft is vertical to the top surface of the L-shaped base;

the rear guide wheel rotating shaft is parallel to the top surface of the L-shaped base and is arranged at the rear end of the inner side surface of the L-shaped base on one side of the cargo box of the pickup truck;

the driving support pull rope is a non-elastic rope, one end of the driving support pull rope is connected with the driving support on one side of the cargo box of the pick-up truck, the driving support pull rope sequentially penetrates through the rear guide wheel and the front guide wheels on the left side and the right side of the cargo box of the pick-up truck, the other end of the driving support pull rope is connected with the driving support on the other side of the cargo box of the pick-up truck, and the driving support pull rope;

the rope pulling device is arranged at the front end of the inner side face of the L-shaped base, a pulling rope of the rope pulling device is connected with the driving support on the same side of the pulling rope device, and the pulling rope of the rope pulling device has a pulling force for pulling the driving support to the direction of the rope pulling device;

and the rope winding and unwinding device is arranged at the rear end of the inner side surface of the L-shaped base at the other side of the pick-up truck cargo box relative to the rear guide wheel, and a rope of the rope winding and unwinding device is connected with the driving support at the same side so as to control the rope winding and unwinding device to be wound and unwound.

As the utility model provides a pair of the flexible cloth covering or awning on a car, boat, etc. support of pickup packing box further optimizes the scheme, fan-shaped foot chain with the connection is rotated to initiative support rear end, the covering or awning on a car, boat, etc. pole on the fan-shaped foot chain can be fan-shaped opening and shutting and close.

As the utility model provides a pair of the flexible cloth covering or awning on a car, boat, etc. support of pickup truck packing box further optimizes the scheme, all install a set of pulley on initiative support, the driven support, every group pulley comprises two rows of pulleys from top to bottom, and one of them row of pulley is two at least.

As the utility model provides a pair of pick up car packing box cloth covering support further optimization scheme, by limit rope, back guide pulley, initiative support stay cord, stay cord ware, front guide pulley, receive and release the drive mechanism that the rope ware is constituteed make the initiative support syntropy with fast the removal of the pick up car packing box left and right sides, the limit rope plays spacing positioning action, enables initiative support, driven bracket and stops in preset position when extending the state.

As the utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support of pick-up car packing box further optimizes the scheme, initiative support, fixed bolster, L shape base, fan-shaped foot chain, spacing rope, L shape slide rail, stay cord ware, front guide pulley are in pick-up car packing box bilateral symmetry sets up, driven support has a plurality of pairs of bilateral symmetry, driven support's figure is according to the length setting of different model pick-up car packing boxes.

The utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support application method of pick up packing box does: when the utility model is in the stretching state, the matched cloth tent is covered on the telescopic cloth tent bracket of the packing box of the pick-up truck, and the cloth tent is connected with the tent pole or the driving bracket, the driven bracket and the fixed bracket of the utility model, if the utility model is required to be opened to the contracting state, the tent pole arranged on the fan-shaped foot chain is firstly lifted, the rope of the rope winding and unwinding device is released, the driving bracket is pulled by the rope pulling device to move forwards, the driving bracket pushes the driven bracket to move forwards to the contracting state, and the packing box of the pick-up truck is in the opening state at the moment; otherwise, the rope of the rope winding and unwinding device is retracted, the driving support is pulled by the rope of the rope winding and unwinding device to move backwards, the driven support is pulled by the limiting rope to move backwards and play a role in limiting and stopping, the awning rod on the fan-shaped foot chain is put down, and the container of the pickup truck is in a closed state at the moment.

As a further optimization scheme of the telescopic awning support for the cargo box of the pick-up truck, the traction transmission mechanism can also be a front wheel and a rear wheel which are respectively arranged at the front end and the rear end of the L-shaped base at the left side and the right side of the cargo box of the pick-up truck by a limiting rope, the rotating shafts of the front wheel and the rear wheel are parallel to the top surface of the L-shaped base, and the specifications of the front wheels at the left side and the right side of the cargo box of the pick-up truck are the same; the traction transmission mechanism further comprises a connecting belt which is wound around the front wheels and the rear wheels and is connected with the driving support on the corresponding side of the front wheels and the rear wheels, and the front wheels on the left side and the right side are connected with the front end of the L-shaped base through a connecting hard shaft.

As the utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support of pickup box further optimizes the scheme, there is engagement mechanism between front wheel, rear wheel and connecting band, can not cause and skid, rotate the rear wheel on left side or right side through external force or facility, can realize the connecting band syntropy with fast motion on left side, right side to drive the initiative support syntropy with fast motion on left side, right side, obtain the effect the same with the aforesaid traction drive mechanism.

As a further optimization scheme of the telescopic awning bracket for the cargo box of the pickup truck, the front wheel and the rear wheel can adopt synchronous wheels with concave-convex groove-shaped outer ring surfaces, and a connecting belt used in cooperation is a concave-convex groove-shaped synchronous belt; the front wheel and the rear wheel can also adopt a toothed chain wheel, and a connecting belt matched with the toothed chain wheel is a toothed chain.

As the utility model provides a pair of the flexible cloth covering or awning on a car, boat, etc. support of pickup truck packing box further optimizes the scheme, L shape slide rail still can be for worker's shape slide rail, centre gripping about the pulley of area recess worker's shape slide rail.

As a further optimization scheme of the telescopic awning bracket for the cargo box of the pickup truck, the L-shaped slide rail can also be a C-shaped slide rail, and the C-shaped slide rail is in sliding fit with the single-row pulleys; the using number of the pulleys can be obviously reduced, and the product cost is reduced.

The rail and the pulley are not limited to be mounted on the inner side surface of the L-shaped base, and other rails and pulleys are in various forms and are not described herein.

The sliding mechanism of the sliding rail and pulley combination can be replaced by a sliding mechanism of a sliding block and guide rail combination.

The utility model discloses on set up the tool to lock, the utility model discloses during the extension state, but the pick up packing box locking when being the closure state promptly, behind the locking the utility model discloses fixed can not be opened, the reinforcing the utility model discloses guarantee the theftproof nature, the security of goods.

Receive and release the rope ware and can adopt electric actuator to receive and release the rope work, the rear wheel can adopt the electric actuator drive to rotate, and remote control function still can be added to above electric actuator, the reinforcing the utility model discloses a convenience of use.

It is right the utility model discloses the product after the structure is adjusted can use other transportation means, including but not limited to tricycle freight train, mini-truck, medium-sized freight train, heavy goods train, flatbed truck.

It is right the utility model discloses the product after the structure is adjusted can use the house facility, including but not limited to folding garage, warehouse, tent, workplace, business place.

The utility model has the advantages that: the utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support of pick-up car packing box, the structure is ingenious, simple, pleasing to the eye, reasonable in design covers and behind the fixed supporting cloth covering or awning on a car, boat, etc. of fixed supporting, but fast switch over pick-up car packing box open-type, closed two kinds of states, does not influence pick-up car goods loading capacity during the open-type state, can ensure the goods and avoid blowing out the sun during closed state and drench, and the practicality is very strong.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention in a contracted state;

fig. 2 is a schematic front view of the embodiment 1 of the present invention in an extended state;

fig. 3 is a schematic right view of the embodiment 1 of the present invention in an extended state;

fig. 4 is a schematic cross-sectional view of embodiment 1 of the present invention along the direction of fig. 3A-a;

fig. 5 is a schematic sectional view of embodiment 1 of the present invention along the direction of fig. 3B-B;

fig. 6 is a schematic partial sectional view of embodiment 1 of the present invention along the direction of fig. 5C-C;

fig. 7 is a schematic cross-sectional view of embodiment 2 of the present invention along the direction of fig. 3A-a;

fig. 8 is a schematic structural view of a positional relationship between the i-shaped slide rail and the pulley in embodiment 3 of the present invention;

fig. 9 is a schematic structural view of a positional relationship between the C-shaped slide rail and the pulley in embodiment 4 of the present invention.

Wherein the reference numerals are: 1. a pick-up truck cargo box; 2. an active support; 3. a driven bracket; 4. fixing a bracket; 5. a tent pole; 6. an L-shaped base; 7. a fan-shaped foot chain; 8. a limiting rope; 9. a rear guide wheel; 10. a drive support pull rope; 11. an L-shaped slide rail; 12. a pulley; 13. a rope puller; 14. a front guide wheel; 15. a rope retracting device; 16. a container sidewall; 17. a rear wheel; 18. a connecting belt; 19. a front wheel; 20. connecting a hard shaft; 21. an I-shaped slide rail; 22. c-shaped sliding rails.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1, 2, 3, 4, 5 and 6, the utility model provides a telescopic awning support for cargo box of pick-up truck, which comprises a main body mechanism arranged on the side walls 16 of cargo box at left and right sides of cargo box 1 of pick-up truck and a traction transmission mechanism for controlling the extension and contraction of the main body mechanism;

the main body mechanism is composed of a driving support 2, a plurality of driven supports 3, a fixed support 4, an L-shaped base 6, a fan-shaped foot chain 7, an L-shaped slide rail 11, a plurality of awning rods 5 and a plurality of groups of pulleys 12 which are symmetrically arranged;

the tent poles 5 are bow-shaped and are respectively arranged at the upper ends of the driving support 2, the driven support 3, the fixed support 4 and the fan-shaped foot chains 7;

the L-shaped base 6 is arranged on the upper edge and the inner side wall of a container side wall 16 of the container 1 of the pickup truck, and the front end of the L-shaped base 6 is aligned with the front end of the container side wall 16;

the L-shaped slide rail 11 is arranged on the inner side surface of the L-shaped base 6 along the front-back direction, and the fixed support 4 is arranged on the upper end surface of the front end of the L-shaped base 6;

the driving support 2 and the driven support 3 are arranged along an L-shaped slide rail 11, and a group of pulleys 12 which reciprocate along the L-shaped slide rail 11 are arranged on the driving support 2 and the driven support 3;

the traction transmission mechanism comprises a limiting rope 8, a rear guide wheel 9, a driving support pull rope 10, a rope puller 13, a front guide wheel 14 and a rope collecting and releasing device 15;

the limiting ropes 8 are inelastic ropes and are connected with the tent poles 5 in series, and the joints of the limiting ropes 8 and the tent poles 5 are connected and used for controlling the distance between the tent poles 5;

the front guide wheel 14 is arranged at the front end of the inner side surface of the L-shaped base 6; the rotating shaft of the front guide wheel 14 is vertical to the top surface of the L-shaped base 6;

a rotating shaft of the rear guide wheel 9 is parallel to the top surface of the L-shaped base 6 and is arranged at the rear end of the inner side surface of the L-shaped base 6 on one side of the cargo box 1 of the pick-up truck;

the driving support pull rope 10 is a non-elastic rope, one end of the driving support pull rope is connected to the driving support 2 on one side of the cargo box 1 of the pick-up truck, the driving support pull rope sequentially penetrates through the rear guide wheel 9 and the front guide wheels 14 on the left side and the right side of the cargo box 1 of the pick-up truck, the other end of the driving support pull rope is connected with the driving support 2 on the other side of the cargo box 1 of the pick-up truck, and;

the rope pulling device 13 is arranged at the front end of the inner side surface of the L-shaped base 6, the pulling rope of the rope pulling device 13 is connected with the driving support 2 on the same side of the rope pulling device 13, and the pulling rope of the rope pulling device 13 has pulling force for pulling the driving support 2 to the direction of the rope pulling device 13;

for the rear guide wheel 9, the rope winding and unwinding device 15 is installed at the rear end of the inner side face of the L-shaped base 6 on the other side of the pick-up truck cargo box 1, and a rope of the rope winding and unwinding device 15 is connected with the driving support 2 on the same side, so that the rope winding and unwinding device 15 can be controlled to be wound and unwound.

Specifically, the fan-shaped foot chain 7 is rotatably connected with the rear end of the driving support 2, and the awning rod 5 on the fan-shaped foot chain 7 can be opened and closed in a fan shape.

Specifically, a set of pulleys 12 is mounted on each of the driving support 2 and the driven support 3, each set of pulleys 12 is composed of an upper row of pulleys and a lower row of pulleys, and at least two pulleys are arranged in one row.

Specifically, a traction transmission mechanism consisting of a limiting rope 8, a rear guide wheel 9, a driving support pull rope 10, a rope puller 13, a front guide wheel 14 and a rope receiver 15 enables the driving supports 2 on the left side and the right side of the cargo box 1 of the pickup truck to move in the same direction and at the same speed, the limiting rope 8 plays a role in limiting and positioning, and the driving supports 2 and the driven supports 3 can stop at preset positions in an extending state.

Specifically, the driving support 2, the fixed support 4, the L-shaped base 6, the fan-shaped foot chains 7, the limiting ropes 8, the L-shaped slide rails 11, the rope pulling devices 13 and the front guide wheels 14 are symmetrically arranged on two sides of the cargo box 1 of the pick-up truck, the driven supports 3 are symmetrically arranged in a plurality of pairs, and the number of the driven supports 3 is set according to the lengths of cargo boxes of pick-up trucks of different models.

Referring to fig. 4, the right side is the side a-a, and the left side is the side B-B, referring to fig. 1, the direction "front" refers to the left side direction of fig. 1, and the direction "rear" refers to the right side direction of fig. 1.

The utility model provides a pair of flexible cloth covering or awning on a car, boat, etc. support application method of pick up packing box specifically is: when the utility model is in the stretching state, the matched cloth tent is covered on the telescopic cloth tent bracket of the packing box of the pick-up truck, and the cloth tent is connected with the tent pole 5 or the driving bracket 2, the driven bracket 3 and the fixed bracket 4 of the utility model, if the utility model needs to be opened to the shrinking state, the tent pole 5 arranged on the fan-shaped foot chain 7 is firstly lifted, the rope of the rope winding and unwinding device 15 is released, the rope drawing device 13 draws the driving bracket 2 to move forwards, the driving bracket 2 pushes the driven bracket 3 to move forwards to the shrinking state, at the moment, the packing box 1 of the pick-up truck is in the opening state; otherwise, the rope of the rope winding and unwinding device 15 is retracted, the rope of the rope winding and unwinding device 15 pulls the driving support 2 to move backwards, the limiting rope 8 pulls the driven support 3 to move backwards and play a limiting and stopping role, the awning rod 5 on the fan-shaped foot chain 7 is put down, and the cargo box 1 of the pick-up truck is in a closed state at the moment.

Example 2

Referring to fig. 7, on the basis of embodiment 1, in embodiment 1, the traction transmission mechanism composed of the limiting rope 8, the rear guide pulley 9, the driving support pulling rope 10, the rope puller 13, the front guide pulley 14, and the rope retractor 15 may adopt another technical scheme, which is specifically as follows: the limiting rope 8 is kept unchanged, and other parts of the traction transmission mechanism in the embodiment 1 are removed; namely: the traction transmission mechanism can also be a front wheel 19 arranged at the front end of the L-shaped base 6 on the left side and the right side of the cargo box 1 of the pick-up truck and a rear wheel 17 arranged at the rear end of the L-shaped base by a limit rope 8 respectively, the rotating shafts of the front wheel 19 and the rear wheel 17 are parallel to the top surface of the L-shaped base 6, and the specifications of the front wheels 19 on the left side and the right side of the cargo box 1 of the pick-up;

the traction transmission mechanism also comprises a connecting belt 18 which is wound around the front wheel 19 and the rear wheel 17 and is connected with the driving bracket 2 on the corresponding side, and the front wheels 19 on the left side and the right side are connected with the front end of the L-shaped base 6 through a connecting hard shaft 20.

Specifically, there are engagement mechanisms among the front wheel 19, the rear wheel 17 and the connecting belt 18, so that no slip occurs, and the left or right rear wheel 17 is rotated by an external force or a facility, so that the left or right connecting belt 18 can move at the same speed in the same direction, and the left or right driving brackets 2 are driven to move at the same speed in the same direction, thereby obtaining the same effect as the traction transmission mechanism of the above embodiment 1.

Specifically, the front wheel 19 and the rear wheel 17 can adopt synchronous wheels with concave-convex groove-shaped outer ring surfaces, and the connecting belt 18 used in cooperation is a concave-convex groove-shaped synchronous belt; the front wheel 19 and the rear wheel 17 can also adopt a toothed chain wheel, and the connecting belt 18 matched with the toothed chain wheel is a toothed chain.

Example 3

Referring to fig. 8, on the basis of embodiment 1, the L-shaped sliding rail 11 in embodiment 1 may also be an i-shaped sliding rail 21, and the grooved pulley 12 clamps the i-shaped sliding rail 21 up and down to prevent the pulley 12 from disengaging from the i-shaped sliding rail 21.

Example 4

Referring to fig. 9, on the basis of embodiment 1, the L-shaped slide rail 11 in embodiment 1 may also be a C-shaped slide rail 22, and the C-shaped slide rail 22 is in sliding fit with the single-row pulley 12; the number of the pulleys 12 can be obviously reduced, and the product cost is reduced.

Specifically, the rails 11 and the pulleys 12 are not limited to be installed on the inner side surface of the L-shaped base 6, and in

embodiments

3 and 4, other rails and pulleys have many forms and are not described herein.

Specifically, in

embodiments

1, 3, and 4, the slide mechanism composed of a combination of a slide rail and a pulley may be replaced with a slide mechanism composed of a combination of a slide block and a guide rail.

Specifically, in embodiment 1, embodiment 2, embodiment 3 and embodiment 4, can the utility model discloses on set up the tool to lock, the utility model discloses but the pick-up car packing box 1 locking when for the closure state promptly during the extension state, after the locking the utility model discloses fixed can not be opened, the reinforcing the utility model discloses security, the security of guarantee goods.

Specifically, embodiment 1's receipts rope ware 15 can adopt electric actuator to receive and release the rope work, and the rear wheel 17 who adopts electric actuator drive one side in embodiment 2 rotates, and above electric actuator still can add remote control function, reinforcing the utility model discloses a convenience of use.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A flexible cloth awning bracket of a cargo box of a pick-up truck is characterized by comprising a main body mechanism and a traction transmission mechanism, wherein the main body mechanism is arranged on the side walls (16) of the cargo box at the left side and the right side of the cargo box (1) of the pick-up truck, and the traction transmission mechanism is used for controlling the extension and the contraction of the main body mechanism;

the main body mechanism is composed of a driving support (2), a plurality of driven supports (3), a fixed support (4), an L-shaped base (6), a fan-shaped foot chain (7), an L-shaped slide rail (11), a plurality of tent rods (5) and a plurality of groups of pulleys (12), which are symmetrically arranged; the awning rods (5) are in an arc shape and are respectively arranged at the upper ends of the driving support (2), the driven support (3), the fixed support (4) and the fan-shaped foot chains (7);

the L-shaped base (6) is arranged on the upper edge and the inner side wall of a container side wall (16) of the pick-up truck container (1), and the front end of the L-shaped base (6) is aligned with the front end of the container side wall (16);

the L-shaped slide rail (11) is arranged on the inner side surface of the L-shaped base (6) along the front-back direction, and the fixed support (4) is arranged on the upper end surface of the front end of the L-shaped base (6);

the driving support (2) and the driven support (3) are arranged along the L-shaped sliding rail (11), and a group of pulleys (12) which move in a reciprocating manner along the L-shaped sliding rail (11) are respectively arranged on the driving support (2) and the driven support (3);

the traction transmission mechanism comprises a limiting rope (8), a rear guide wheel (9), a driving support pull rope (10), a pull rope device (13), a front guide wheel (14) and a rope collecting and releasing device (15);

the limiting ropes (8) are non-elastic ropes and are connected with the tent poles (5) in series, and the joints of the limiting ropes (8) and the tent poles (5) are connected and used for controlling the distance between the tent poles (5);

the front guide wheel (14) is arranged at the front end of the inner side surface of the L-shaped base (6); the rotating shaft of the front guide wheel (14) is vertical to the top surface of the L-shaped base (6);

the rotating shaft of the rear guide wheel (9) is parallel to the top surface of the L-shaped base (6) and is arranged at the rear end of the inner side surface of the L-shaped base (6) on one side of the cargo box (1) of the pickup truck;

the driving support pull rope (10) is a non-elastic rope, one end of the driving support pull rope is connected to the driving support (2) on one side of the pick-up truck cargo box (1), the driving support pull rope sequentially penetrates through the rear guide wheel (9) and the front guide wheels (14) on the left side and the right side of the pick-up truck cargo box (1), the other end of the driving support pull rope is connected with the driving support (2) on the other side of the pick-up truck cargo box (1), and the driving support pull rope (10) is in a tightened state after being;

the rope pulling device (13) is arranged at the front end of the inner side face of the L-shaped base (6), a pulling rope of the rope pulling device (13) is connected with the driving support (2) on the same side of the pulling rope, and the pulling rope of the rope pulling device (13) has a pulling force for pulling the driving support (2) to the direction of the rope pulling device (13);

relative to the rear guide wheel (9), the rope winding and unwinding device (15) is installed at the rear end of the inner side face of the L-shaped base (6) on the other side of the pick-up truck cargo box (1), a rope of the rope winding and unwinding device (15) is connected with the driving support (2) on the same side, and the rope winding and unwinding device (15) can be controlled to be wound and unwound.

2. The pick-up truck cargo box retractable cloth canopy support as claimed in claim 1, wherein the fan-shaped foot chain (7) is rotatably connected with the rear end of the driving support (2), and the canopy rod (5) on the fan-shaped foot chain (7) can be opened and closed in a fan shape.

3. The pickup truck cargo box retractable canopy support as claimed in claim 1, wherein a set of pulleys (12) is mounted on each of the driving support (2) and the driven support (3), each set of pulleys (12) being formed by an upper row of pulleys and a lower row of pulleys, wherein at least two pulleys are arranged in one row.

4. The truck cargo box retractable awning bracket as claimed in claim 1, wherein a traction transmission mechanism consisting of the limiting rope (8), the rear guide wheel (9), the driving bracket pull rope (10), the rope puller (13), the front guide wheel (14) and the rope receiver (15) enables the driving brackets (2) on the left and right sides of the truck cargo box (1) to move in the same direction and at the same speed.

5. The telescopic awning bracket for a pickup truck cargo box as claimed in claim 1, wherein the driving bracket (2), the fixed bracket (4), the L-shaped base (6), the fan-shaped foot chain (7), the limiting rope (8), the L-shaped slide rail (11), the rope puller (13) and the front guide wheel (14) are symmetrically arranged on two sides of the pickup truck cargo box (1), the driven bracket (3) has a plurality of pairs which are bilaterally symmetrical, and the number of the driven brackets (3) is set according to the lengths of the cargo boxes of different types of pickup trucks.

6. The truck cargo box retractable canopy support as claimed in claim 1, wherein the L-shaped slide rails (11) are further i-shaped slide rails (21), and the grooved pulleys (12) clamp the i-shaped slide rails (21) up and down.

7. The pickup truck cargo box telescoping canopy support of claim 1 wherein the L-shaped slides (11) are also C-shaped slides (22), the C-shaped slides (22) being slidably engaged with the single row of pulleys (12).

8. The telescopic awning bracket for cargo boxes of pick-up trucks as claimed in any one of claims 1 to 7, wherein said traction drive mechanism is further a front wheel (19) at the front end and a rear wheel (17) at the rear end of said L-shaped base (6) respectively mounted on the left and right sides of said pick-up cargo box (1) by a spacing rope (8), the rotation axes of said front wheel (19) and said rear wheel (17) are parallel to the top surface of said L-shaped base (6), and the specifications of said front wheels (19) on the left and right sides of said pick-up cargo box (1) are the same;

the traction transmission mechanism further comprises a connecting belt (18) which winds the front wheels (19) and the rear wheels (17) and is connected with the driving support (2) on the corresponding side, and the front wheels (19) on the left side and the right side are connected with the front end of the L-shaped base (6) through a connecting hard shaft (20).

9. The telescopic awning bracket for a pickup truck cargo box as claimed in claim 8, wherein the front wheel (19) and the rear wheel (17) can adopt synchronous wheels with concave-convex groove-shaped outer ring surfaces, and the connecting belt (18) matched with the synchronous wheels is a concave-convex groove-shaped synchronous belt; the front wheel (19) and the rear wheel (17) can also be toothed chain wheels, and a connecting belt (18) matched with the toothed chain wheels is a toothed chain.