CN110623409A - A stair-climbing trolley bag for children with GPS positioning function - Google Patents

Abstract

The invention discloses a stair-climbable trolley bag for children with GPS positioning function, which comprises a bag body, a bottom frame, a solar panel and a first fixing block, the left side of the bag body is fixedly connected with a fixing sleeve, and the fixing There is a vertical rod inside the tube, the bottom frame is located at the lower end of the fixed tube, a connecting plate is installed under the bottom frame, the left end of the pedal is welded to the front and rear sides with second rollers, and the solar energy The plate is inlaid on the upper end of the bag body, the battery is located inside the fixed box, a GPS positioning mechanism is installed on the back side of the battery body, and the first strap is fixedly installed on the back side of the bag body, and the first strap The first permanent magnet block is inlaid and installed inside, and the first permanent magnet block is magnetically connected with the second permanent magnet block. The stair-climbing trolley bag for children with GPS positioning function is convenient for climbing stairs, has GPS positioning function, can be carried by children voluntarily, and is convenient for carrying straps.

Description

A stair-climbing trolley bag for children with GPS positioning function

technical field

The invention relates to the related technical field of children's trolley bags, in particular to a stairs-climbable children's trolley bag with GPS positioning function.

Background technique

Children's trolley bag is a common storage tool for children to travel. It is used to store the supplies needed by children when they travel. With the improvement of people's living standards, the requirements for children's trolley bags are gradually increasing, making children's trolley bags more convenient for children. Use, but existing children's trolley bags still have certain defects, such as:

1. The general children's trolley bag is not convenient for climbing stairs during use, and the user who carries the children's trolley bag makes it difficult to climb the stairs;

2. Ordinary children's trolley bags do not have GPS positioning function, which makes it inconvenient for parents to take care of children when they are outdoors, and it is not convenient for lost children to find;

3. It is difficult to pull the existing trolley bags for children, and children do not want to carry the trolley bags by themselves, which cannot stimulate children's interest;

4. Although the children's trolley bags on the market can be disassembled, it is not convenient to store the straps, which will easily affect the pulling of the straps.

The object of the present invention is to provide a stair-climbable trolley bag for children with GPS positioning function, so as to solve the problems of children's trolley bags in the market currently raised by the above-mentioned background technology.

Contents of the invention

The object of the present invention is to provide a stair-climbing trolley bag for children with GPS positioning function, to solve the problem that most of the children’s trolley bags proposed in the above background technology are not convenient for climbing stairs, do not have GPS positioning function, and cannot make children It is voluntary to carry, and it is not convenient for strap storage.

In order to achieve the above object, the present invention provides the following technical solutions: a stair-climbing trolley bag for children with GPS positioning function, including a bag body, a chassis, a solar panel and a first fixing block, the left side of the bag body is fixed A fixed sleeve is connected, and the inside of the fixed sleeve is connected with a fixed tube, the inside of the fixed tube is provided with a vertical bar, and the upper end of the vertical bar is welded and connected with a handle, and the outer side of the vertical bar is nested with a connecting block, And the lower end of the vertical bar is provided with a limit block, and the limit block is connected with the vertical bar through a connecting spring, the bottom frame is located at the lower end of the fixed cylinder, and the left end of the bottom frame is equipped with a driving mechanism, and the right end of the bottom frame is fixedly installed There is a first roller;

A connecting plate is installed below the underframe, and the lower end of the connecting plate is welded and connected to the pedal, and the left end of the pedal is welded and connected to the front and rear sides of the second roller;

The solar panel is inlaid on the upper end of the enclosure, and the solar panel is electrically connected to the storage battery. The storage battery is located inside the fixed box, and the fixed box is fixedly installed on the upper end of the enclosure. The rear side of the storage battery is installed with GPS positioning mechanism, the rear side of the bag body is fixedly equipped with a first strap, and the lower end of the first strap is connected to the second strap, and the lower end of the second strap is fixedly connected to the rear side of the bag body, the first strap The interior of the strap is inlaid with a first permanent magnet block, and the first permanent magnet block is magnetically connected with the second permanent magnet block, and the second permanent magnet block is inlaid and installed in the rear side of the bag;

The first fixed block is fixedly installed on the right end of the connecting plate, and the connecting plate is connected with the chassis through the slide groove, and the second fixed block is fixedly installed on the left end of the slide groove.

Preferably, the interior of the fixed cylinder is hollow, and the internal width of the fixed cylinder is equal to the external width of the bottom end of the vertical rod, and the vertical rod is a telescopic structure inside the fixed cylinder.

Preferably, the inner diameter of the upper end of the connecting block is equal to the outer diameter of the lower end of the vertical rod, and the inner diameter of the lower end of the connecting block is equal to the outer diameter of the upper end of the fixed cylinder, and the upper end of the connecting block and the upper end of the fixed cylinder and the vertical rod The lower ends are all connected by threaded connection.

Preferably, the outer end of the limiting block has an arc-shaped structure, and the limiting block is of an elastic structure, and the connection between the limiting block and the fixing cylinder is a snap connection.

Preferably, the left end of the bottom frame and the lower end of the fixing cylinder form an "L"-shaped structure, and the connection between the fixing cylinder and the fixing sleeve is nested connection.

Preferably, the drive mechanism includes a fixed rod, a driven wheel, a driving wheel, a casing, a connecting shaft, a connecting wheel, a connecting rod and an anti-skid pad, the fixed rod is connected through the inner middle of the driven wheel, and the outer side of the driven wheel is meshed with a The outer sides of the driving wheel, the driven wheel and the driving wheel are all provided with a shell, the rear end of the shell is fixedly connected with the outer surface of the chassis, the inside of the driving wheel is connected with a connecting shaft, and the end of the connecting shaft away from the driving wheel is fixedly connected with the connecting wheel , the rear side of the connecting wheel is movably connected with the fixed rod through the connecting rod, and the outer surface of the connecting wheel is provided with an anti-slip pad.

Preferably, the driving wheel is arranged at an equal angle with respect to the center of the driven wheel, and the driving wheel and the driven wheel form a transmission structure, and the driven wheel is connected to the front and rear sides of the bottom frame through a fixed rod, and the fixed rod is rotated on the bottom frame structure.

Preferably, the outer surface of the anti-slip pad has a concave-convex structure, and the material of the anti-slip pad is rubber material, and the connection mode between the anti-slip pad and the connecting wheel is a fixed connection, and the connecting wheel and the driving wheel are set in one-to-one correspondence.

Preferably, the pedal is a sliding structure on the lower surface of the chassis through the connecting plate, and the connecting plate is arranged symmetrically with respect to the vertical central axis of the pedal.

Preferably, the first straps and the second straps are arranged symmetrically with respect to the vertical central axis of the bag body, and the first straps and the second straps are connected to the bag body in a magnetic connection.

Compared with the prior art, the beneficial effect of the present invention is that the stair-climbable trolley bag for children with GPS positioning function is convenient for climbing stairs, has GPS positioning function, and can be carried by children voluntarily, and is convenient for strapping. Storage;

1. The driving mechanism is installed on the front and rear sides of the underframe, so when climbing the stairs, the connecting wheels can be turned over in turn to climb the stairs, and the connecting wheels are connected by the driving wheel and the driven wheel, so When the first connecting wheel is rolling, the driving wheel and the driven wheel can be rotated, thereby driving the rotation of the next connecting wheel, and so on, which is convenient for the driving mechanism to save effort when climbing stairs;

2. By installing a GPS positioning mechanism inside the bag body, the GPS positioning mechanism can cooperate with the mobile phone for real-time positioning, which is convenient for parents to care for the children, and facilitates the retrieval of the trolley bag when it is lost. The upper end is equipped with a solar panel, which can convert the solar energy under the action of the inverter, so that the generated electric energy is stored in the battery, which is convenient for powering the GPS positioning mechanism;

3. By setting the connecting plate, the foot pedal and the second roller under the bottom frame, the foot pedal can be pulled out on the smooth ground, so that a gap is formed between the foot pedal, the bottom frame and the vertical bar. Simple scooter mechanism, when children are in use, they can slide the pedals to facilitate the movement of the entire trolley bag, thereby enhancing children's interest in using the trolley bag, making children voluntarily carry and push the trolley bag;

4. Since the first permanent magnet block is installed inside the first strap and the second strap, and the second permanent magnet block is installed at the corresponding position on the bag body, when pulling the trolley bag, the first permanent magnet block can be passed The mutual attraction between the permanent magnet block and the second permanent magnet block limits the position of the first strap and the second strap, preventing the first strap and the second strap from being too long and affecting the pulling of the whole bag.

Description of drawings

Fig. 1 is the schematic diagram of the front view sectional structure of the present invention;

Fig. 2 is a schematic diagram of the front view structure of the present invention;

Fig. 3 is a schematic diagram of the left view structure of the present invention;

Fig. 4 is a schematic diagram of the front view section structure of the connection between the fixing cylinder and the vertical rod of the present invention;

Fig. 5 is a schematic diagram of the front view of the connection between the vertical bar and the connecting block of the present invention;

Fig. 6 is a schematic diagram of a front sectional structure of the driving mechanism of the present invention;

Fig. 7 is a side view sectional structure schematic diagram of the driving mechanism of the present invention;

Fig. 8 is a side view sectional structure schematic diagram of the connection between the enclosure and the solar panel of the present invention;

Fig. 9 is a front view sectional structure schematic diagram of the connection between the first strap and the bag body of the present invention;

Fig. 10 is a schematic diagram of a top view sectional structure of the chassis of the present invention;

Fig. 11 is a schematic diagram of the enlarged structure at A in Fig. 10 of the present invention;

Fig. 12 is a schematic diagram of the workflow of the present invention.

In the figure: 1, package body; 2, fixed sleeve; 3, fixed cylinder; 4, vertical rod; 5, handle; 6, connecting block; 7, limit block; 8, connecting spring; 9, chassis; 10, Drive mechanism; 1001, fixed rod; 1002, driven wheel; 1003, driving wheel; 1004, shell; 1005, connecting shaft; 1006, connecting wheel; 1007, connecting rod; Connecting plate; 13, foot pedal; 14, second roller; 15, solar panel; 16, fixed box; 17, battery; 18, GPS positioning mechanism; 19, first strap; 20, second strap; 21, the first strap 1 permanent magnet block; 22, the second permanent magnet block; 23, the first fixed block; 24, the chute; 25, the second fixed block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-12, the present invention provides a technical solution: a stair-climbing trolley bag for children with GPS positioning function, including a bag body 1, a fixing sleeve 2, a fixing cylinder 3, a vertical rod 4, a handle 5, Connection block 6, limit block 7, connection spring 8, chassis 9, drive mechanism 10, first roller 11, connection plate 12, pedal 13, second roller 14, solar panel 15, fixed box 16, battery 17 , GPS positioning mechanism 18, the first strap 19, the second strap 20, the first permanent magnet block 21, the second permanent magnet block 22, the first fixed block 23, the chute 24 and the second fixed block 25, the package body 1 The left side is fixedly connected with a fixed sleeve 2, and the inside of the fixed sleeve 2 is connected with a fixed cylinder 3. The inside of the fixed cylinder 3 is provided with a vertical rod 4, and the upper end of the vertical rod 4 is welded with a handle 5, and the outer side of the vertical rod 4 The connecting block 6 is nested, and the lower end of the vertical bar 4 is provided with a limit block 7, and the limit block 7 is connected with the vertical bar 4 through a connecting spring 8, the bottom frame 9 is located at the lower end of the fixed cylinder 3, and the bottom frame 9 A driving mechanism 10 is installed on the left end of the bottom frame 9, and a first roller 11 is fixedly installed on the right end of the chassis 9;

A connecting plate 12 is installed below the underframe 9, and the lower end of the connecting plate 12 is welded to the pedal 13, and the left end of the pedal 13 is welded to the front and rear sides of the second roller 14;

The solar panel 15 is inlaid on the upper end of the enclosure 1, and the solar panel 15 is electrically connected to the battery 17, the battery 17 is located inside the fixed box 16, and the fixed box 16 is fixedly installed on the inner upper end of the enclosure 1, and the rear of the battery 17 A GPS positioning mechanism 18 is installed on the side, and a first strap 19 is fixedly installed on the rear side of the bag body 1, and the lower end of the first strap 19 is connected with the second strap 20, and the lower end of the second strap 20 is connected with the back of the bag body 1. The side is fixedly connected, the first strap 19 is embedded with a first permanent magnet block 21, and the first permanent magnet block 21 is magnetically connected with the second permanent magnet block 22, and the second permanent magnet block 22 is embedded in the package body 1 inside of the rear side;

The first fixing block 23 is fixedly mounted on the right end of the connecting plate 12 , and the connecting plate 12 is connected with the chassis 9 through the sliding groove 24 , and the second fixing block 25 is fixedly installed on the left end of the sliding groove 24 .

As shown in Figure 1, the left end of the bottom frame 9 and the lower end of the fixed cylinder 3 form an "L"-shaped structure, and the connection mode between the fixed cylinder 3 and the fixed sleeve 2 is a nested connection, which is convenient for supporting and disassembling the package body 1. The pedal 13 is a sliding structure on the lower surface of the chassis 9 through the connecting plate 12, and the connecting plate 12 is arranged symmetrically about the vertical central axis of the pedal 13, which is convenient for pulling out and storing the pedal 13;

As shown in Fig. 4 and Fig. 5, the inside of the fixed cylinder 3 is a hollow structure, and the inner width of the fixed cylinder 3 is equal to the outer width of the bottom end of the vertical rod 4, and the vertical rod 4 is a telescopic structure inside the fixed cylinder 3, which is convenient to install The vertical rod 4 is pulled out, thereby facilitating the pulling of the entire trolley bag;

As shown in Fig. 4 and Fig. 5, the inner diameter of the upper end of the connecting block 6 is equal to the outer diameter of the lower end of the vertical bar 4, and the inner diameter of the lower end of the connecting block 6 is equal to the outer diameter of the upper end of the fixed cylinder 3, and the connecting block 6 is equal to the outer diameter of the fixed cylinder 3. The upper end of the cylinder 3 and the lower end of the vertical rod 4 are all connected by threaded connection, and the connection block 6 can be threaded with the fixed cylinder 3 and the vertical rod 4, so as to facilitate the position adjustment between the fixed cylinder 3 and the vertical rod 4 Limitation, the outer end of the limit block 7 is an arc structure, and the limit block 7 is an elastic structure, and the connection mode between the limit block 7 and the fixed cylinder 3 is a snap connection, and the limit block 7 can be connected to the fixed cylinder 3 The snap connection prevents the vertical rod 4 from falling from the inside of the fixed cylinder 3 due to gravity;

Driving mechanism 10 comprises fixed rod 1001, driven wheel 1002, driving wheel 1003, casing 1004, connecting shaft 1005, connecting wheel 1006, connecting rod 1007 and anti-skid pad 1008 as shown in Fig. 6 and Fig. 7, and fixed rod 1001 runs through and is connected on driven wheel In the middle of the inside of 1002, the outer side of the driven wheel 1002 is meshed with a driving wheel 1003, and the outer sides of the driven wheel 1002 and the driving wheel 1003 are provided with a casing 1004, and the rear end of the casing 1004 is fixedly connected with the outer surface of the chassis 9. The driving wheel The inside of 1003 is connected with connecting shaft 1005. The end of connecting shaft 1005 away from driving wheel 1003 is fixedly connected with connecting wheel 1006. The rear side of connecting wheel 1006 is movably connected with fixed rod 1001 through connecting rod 1007. The outer surface of connecting wheel 1006 is set With anti-slip mat 1008;

As shown in Fig. 6 and Fig. 7, the driving wheel 1003 is arranged at an equal angle with respect to the center of the driven wheel 1002, and the driving wheel 1003 and the driven wheel 1002 form a transmission structure, and the driven wheel 1002 is connected with the front and rear sides of the chassis 9 through the fixed rod 1001, And the fixed rod 1001 is a rotating structure on the bottom frame 9, which can drive the rotation of the driven wheel 1002 through the rotation of the driving wheel 1003, thereby driving other driving wheels 1003 to rotate;

As shown in Fig. 6 and Fig. 7, the outer surface of the anti-slip pad 1008 is a concave-convex structure, and the material of the anti-slip pad 1008 is rubber material, the connection mode between the anti-slip pad 1008 and the connecting wheel 1006 is a fixed connection, and the connecting wheel 1006 and the driving wheel 1003 One-to-one correspondence setting can increase the friction resistance between the connecting wheel 1006 and the ground, so that the rolling effect of the connecting wheel 1006 is better;

As shown in Figure 9, the first strap 19 and the second strap 20 are arranged symmetrically about the vertical central axis of the bag body 1, and the first strap 19 and the second strap 20 are connected to the bag body 1 in a magnetic connection, which is convenient for The storage of the first strap 19 and the second strap 20 prevents the first strap 19 and the second strap 20 from affecting the movement of the entire trolley bag.

Working principle: When using the stair-climbing children's trolley bag with GPS positioning function, first, install the bag body 1 with the bottom frame 9, the fixing tube 3 and the vertical rod 4, and when installing, turn the bag body 1 to the left The fixed sleeve 2 connected to the side is nested on the outside of the fixed cylinder 3 from the upper end of the vertical rod 4, and the bottom end of the bag body 1 is placed on the top of the chassis 9 to complete the assembly, and then the first strap 19 and the second The straps 20 are all magnetically connected by the first permanent magnet block 21 and the second permanent magnet block 22, and the first strap 19 and the second strap 20 are fixed on the outside of the bag body 1, thereby preventing the first strap 19 and the second strap 20 from Hang down to affect the pulling of the bag body 1, and then pull the vertical rod 4 upward from the inside of the fixed cylinder 3 until the limit block 7 inside the vertical rod 4 is engaged with the fixed cylinder 3, and the entire pull rod can be adjusted by pulling the handle 5 The bag is pulled. When pulling, the driving mechanism 10 and the first roller 11 cooperate to make the whole trolley bag move. On a flat road, the trolley bag can be pulled horizontally or tilted. Only by driving The mechanism 10 is on the ground, which enriches the pulling mode of the trolley bag;

When it is necessary to climb the stairs, the trolley bag can be tilted as a whole, so that the driving mechanism 10 is in contact with the stair steps. Since the driving wheel 1003 is provided with three equiangular angles with respect to the center of the driven wheel 1002, and the connecting wheel 1006 is the same as the driving wheel 1003 One corresponding setting, therefore, when pulling the trolley bag, the connecting wheels 1006 can be turned over in turn to achieve the effect of climbing stairs. In addition, the connecting wheels 1006 are connected with the driven wheels 1002 through the driving wheel 1003, therefore, in the first When the first connecting wheel 1006 rotates, the corresponding driving wheel 1003 can be rotated, thereby driving the driven wheel 1002 meshed with the first driving wheel 1003, thereby driving the rotation of the other two driving wheels 1003, so in the second When the connecting wheel 1006 touches the stair steps, it has obtained a certain initial speed, so it is convenient for the rotation of the second connecting wheel 1006, so that the second connecting wheel 1006 is easier to climb and step, so that the whole driving mechanism 10 can climb the stairs. , more labor-saving, and more convenient for children to pull the trolley bag;

When pulling the trolley bag on a flat ground, the pedal 13 can be pulled out, so that the pedal 13 slides in the chute 24 inside the chassis 9 through the connecting plate 12 until the connecting plate 12 The first fixed block 23 is engaged with the second fixed block 25 so that the positions of the connecting plate 12 and the bottom frame 9 are relatively fixed, and then the connecting block 6 is rotated clockwise so that the connecting block 6 is connected to the fixed cylinder 3 and the vertical bar 4. Threaded connection, so that the positions of the fixed cylinder 3 and the vertical rod 4 are relatively fixed, preventing the vertical rod 4 from moving downward in the inside of the fixed cylinder 3 when the child presses the vertical rod 4. At this time, the pedal 13 and the fixed rod 4 The cylinder 3, the vertical bar 4 and the chassis 9 form a simple scooter structure, so that children can step on the pedal 13, and drive the whole trolley bag with their feet, so that the whole trolley bag is wrapped in the driving mechanism 10, the first roller 11 and the second wheel. The two rollers 14 slide together, so that the child can drive the entire trolley bag while playing, so that the child can voluntarily carry the trolley bag, reducing the workload of accompanying parents and cultivating the child's ability to do it by himself;

A GPS positioning mechanism 18 is installed inside the upper end of the bag body 1. With the cooperation of the parent's mobile phone terminal, the GPS positioning mechanism 18 has a real-time positioning function, so that when the trolley bag is lost, it is easy to retrieve and easy for parents to carry. The children of this trolley bag carry out real-time care, which is more convenient for parents to find lost children using this trolley bag. In addition, a solar panel 15 is arranged on the upper end of the bag body 1. Therefore, when this trolley bag is used outdoors, solar energy Under the action of the inverter, the board 15 converts solar energy into electrical energy and stores it in the battery 17, so as to facilitate the storage of electricity for the GPS positioning mechanism 18. This is the working principle of the stair-climbing trolley bag for children with GPS positioning function .

The standard parts used in the present invention can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the accompanying drawings. The specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, plus the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here, and the content that is not described in detail in this manual belongs to prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (10)

1. A stair-climbable trolley bag for children with GPS positioning function, comprising a bag body (1), an underframe (9), a solar panel (15) and a first fixed block (23), characterized in that: The left side of the package body (1) is fixedly connected with a fixed sleeve (2), and the inside of the fixed sleeve (2) is connected with a fixed cylinder (3), and the inside of the fixed cylinder (3) is provided with a vertical rod (4) , and the upper end of the vertical bar (4) is welded with a handle (5), the outer side of the vertical bar (4) is nested with a connecting block (6), and the lower end of the vertical bar (4) is provided with a limit block (7 ), and the limit block (7) is connected with the vertical bar (4) through the connecting spring (8), the bottom frame (9) is located at the lower end of the fixed cylinder (3), and the left end of the bottom frame (9) is installed with The driving mechanism (10), and the right end of the chassis (9) is fixedly equipped with a first roller (11); A connecting plate (12) is installed below the underframe (9), and the lower end of the connecting plate (12) is welded to the pedal (13), and the left end of the pedal (13) is welded on both sides A second roller (14) is connected; The solar panel (15) is inlaid on the upper end of the enclosure (1), and the solar panel (15) is electrically connected to the storage battery (17), and the storage battery (17) is located inside the fixed box (16) and fixed The box (16) is fixedly installed on the inner upper end of the bag body (1), the GPS positioning mechanism (18) is installed on the rear side of the battery (17), and the first strap is fixedly installed on the rear side of the bag body (1) (19), and the lower end of the first strap (19) is connected with the second strap (20), and the lower end of the second strap (20) is fixedly connected with the rear side of the bag body (1), the first strap ( 19) is inlaid with a first permanent magnet block (21), and the first permanent magnet block (21) is magnetically connected with the second permanent magnet block (22), and the second permanent magnet block (22) is embedded in the package the back side interior of the body (1); The first fixed block (23) is fixedly installed on the right end of the connecting plate (12), and the connecting plate (12) is connected with the underframe (9) through the chute (24), and the left end of the chute (24) is fixed A second fixed block (25) is installed. 2. A stair-climbing trolley bag for children with GPS positioning function according to claim 1, characterized in that: the interior of the fixed cylinder (3) is a hollow structure, and the internal width of the fixed cylinder (3) The outer width of the bottom end of the vertical rod (4) is equal to that of the vertical rod (4), and the vertical rod (4) is a telescopic structure inside the fixed cylinder (3). 3. A stair-climbing trolley bag for children with GPS positioning function according to claim 1, characterized in that: the inner diameter of the upper end of the connecting block (6) and the outer diameter of the lower end of the vertical rod (4) equal, and the inner diameter of the lower end of the connecting block (6) is equal to the outer diameter of the upper end of the fixed cylinder (3), and the upper end of the connecting block (6) and the upper end of the fixed cylinder (3) and the lower end of the vertical rod (4) are threaded connected in a connected manner. 4. A stair-climbable trolley bag for children with GPS positioning function according to claim 1, characterized in that: the outer end of the limit block (7) is in an arc-shaped structure, and the limit block (7) ) is an elastic structure, and the connection mode between the limiting block (7) and the fixed cylinder (3) is snap-fit connection. 5. The stair-climbing trolley bag for children with GPS positioning function according to claim 1, characterized in that: the left end of the bottom frame (9) and the lower end of the fixed cylinder (3) form an "L" type structure, and the connection mode between the fixed cylinder (3) and the fixed sleeve (2) is a nested connection. 6. The stair-climbable trolley bag for children with GPS positioning function according to claim 1, characterized in that: the driving mechanism (10) includes a fixed rod (1001), a driven wheel (1002), a driving wheel (1003), casing (1004), connecting shaft (1005), connecting wheel (1006), connecting rod (1007) and anti-skid pad (1008), fixed rod (1001) runs through and is connected in the inner middle of driven wheel (1002) , the outer side of the driven wheel (1002) is meshed with the driving wheel (1003), and the outer sides of the driven wheel (1002) and the driving wheel (1003) are provided with a casing (1004), and the rear end of the casing (1004) is connected to the chassis (9 ) is fixedly connected to the outer surface of the driving wheel (1003), and a connecting shaft (1005) is connected through the inside of the driving wheel (1003). The rear side of the wheel is movably connected with the fixed rod (1001) through the connecting rod (1007), and the outer surface of the connecting wheel (1006) is provided with an anti-slip pad (1008). 7. The stair-climbable trolley bag for children with GPS positioning function according to claim 6, characterized in that: the driving wheel (1003) is set at an equal angle with respect to the center of the driven wheel (1002), and the driving wheel (1003) and the driven wheel (1002) form a transmission structure, and the driven wheel (1002) is connected with the front and rear sides of the bottom frame (9) through the fixed rod (1001), and the fixed rod (1001) is on the bottom frame (9) for the rotating structure. 8. The stair-climbing trolley bag for children with GPS positioning function according to claim 6, characterized in that: the outer surface of the anti-slip mat (1008) has a concave-convex structure, and the anti-slip mat (1008) The material is rubber material, and the connection mode between the anti-skid pad (1008) and the connecting wheel (1006) is a fixed connection, and the connecting wheel (1006) and the driving wheel (1003) are provided in one-to-one correspondence. 9. The stair-climbable trolley bag for children with GPS positioning function according to claim 1, characterized in that: the pedal (13) is placed under the bottom frame (9) through the connecting plate (12) The surface is a sliding structure, and the connecting plate (12) is arranged symmetrically with respect to the vertical central axis of the pedal (13). 10. A stair-climbing trolley bag for children with GPS positioning function according to claim 1, characterized in that: the first strap (19) and the second strap (20) are both about the bag body (1) The vertical central axis is arranged symmetrically, and the connection modes of the first strap (19) and the second strap (20) to the bag body (1) are all magnetic connections.