CN215475322U

CN215475322U - Backpack vehicle

Info

Publication number: CN215475322U
Application number: CN202121610046.7U
Authority: CN
Inventors: 谭敏
Original assignee: Beijing Zhigou Oppson Technology Co ltd
Current assignee: Tan Min
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-11
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a backpack vehicle, wherein a first drawing rod is fixedly connected to the lower surface of a handle fixing rod, a third drawing rod is slidably connected to one end, away from a folding handle, of the first drawing rod, a backpack is arranged on the side surface of the third drawing rod, straps are arranged on the side surface of the backpack, a main fixing sleeve is arranged at one end, away from the first drawing rod, of the third drawing rod, a wheel carrier is arranged on the rear surface of the main fixing sleeve, and a positioning shaft button is movably connected to the rear surface of the wheel carrier rotating arm. According to the folding bicycle with the structure, when the backpack bicycle is used, two hands are not required to be occupied in all use scenes, the folded bicycle can be accommodated only by occupying the backpack with the thickness of less than 70mm, and the front caster wheel and the rear caster wheel are folded and unfolded simultaneously.

Description

Backpack vehicle

Technical Field

The utility model relates to the field of backpack trucks, in particular to a backpack truck.

Background

The children's vehicle has originated in Europe and has a history of more than three hundred years, but only has appeared in China for more than ten years, China has become the biggest baby carrier manufacturing country in the world, and some vehicles which are forbidden due to substandard safety abroad are full of domestic markets and threaten the safety of babies at any time. By 2013, the carts on the market can be roughly divided into two types, namely luxurious carts (full-lying and half-lying) suitable for being used at home and for long time when going out and portable carts (also called umbrella carts) emphasizing light and suitable for frequent going out. In addition, the tricycle is specially used outdoors, the tires are large (such as inflatable tires of a bicycle) and can push a baby to run, and therefore people can conveniently carry the baby carriage to go out, and the baby carriage needs to be used as a knapsack.

At present, various types of vehicles cannot be truly portable, and cannot be carried at any time when the vehicle is not used, and the hands of a user are liberated; most of current child's bicycles are longer and irregularly shaped when folding, and folding carrying can only be dragged by hand, influences the use of child's bicycle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a backpack vehicle.

In order to achieve the purpose, the utility model adopts the following technical scheme: the backpack trolley comprises a handle fixing rod, wherein a first drawing rod is fixedly connected to the lower surface of the handle fixing rod, a third drawing rod is slidably connected to one end, away from a folding handle, of the first drawing rod, a backpack is arranged on the side surface of the third drawing rod, and straps are arranged on the side surface of the backpack;

a main fixing sleeve is arranged at one end, away from the first drawing rod, of the third drawing rod, a wheel carrier rotating arm is arranged on the rear surface of the main fixing sleeve, a positioning shaft button is movably connected to the rear surface of the wheel carrier rotating arm, a seat plate rotating arm is arranged on the front surface of the main fixing sleeve and is connected with the positioning shaft button, a bottom plate folding connecting lug is movably connected to the side surface of the seat plate rotating arm, a seat plate is movably connected to the upper surface of the seat plate rotating arm, and the seat plate is connected with the main fixing sleeve in an attaching mode;

the inside of wheel carrier swinging boom is provided with reset spring, and reset spring and location axle button are connected, the front surface of wheel carrier swinging boom is provided with the location axle, the inside threaded connection of location axle has location axle connecting screw, and location axle connecting screw is connected with location axle button.

As a further description of the above technical solution:

the upper surface of the seat board is provided with a groove, the interior of the groove is movably connected with a safety handle, and the rear surface of the seat board is fixedly connected with a backpack fixing hook.

As a further description of the above technical solution:

the one end that third pull pole was kept away from to main fixed cover is provided with second pull pole, the pedal fixing base of one end fixedly connected with that main fixed cover was kept away from to second pull pole, the lower surface of pedal fixing base is provided with the front axle, the front surface swing joint of front axle has the front wheel.

As a further description of the above technical solution:

the side surface of the front axle is movably connected with a pedal bottom plate, the lower surface of the pedal bottom plate is provided with a mounting groove, and a pedal positioning spring plate is arranged in the mounting groove.

As a further description of the above technical solution:

the side surface of the front axle is fixedly connected with a mounting plate, a pedal positioning supporting rod is arranged on the side surface of the mounting plate, and the pedal positioning supporting rod is connected with a pedal positioning spring plate.

As a further description of the above technical solution:

the side surface of the handle fixing rod is movably connected with a folding handle, and a handle inner sleeve is fixedly connected inside the folding handle.

As a further description of the above technical solution:

the front surface of the folding handle is embedded and connected with a blocking cover, the inside of the handle fixing rod is fixedly connected with a tension spring, and the tension spring is connected with the handle inner sleeve.

As a further description of the above technical solution:

the lower surface of the wheel carrier rotating arm is fixedly connected with a rear wheel carrier, and the lower surface of the rear wheel carrier is movably connected with a rear steering wheel.

The utility model has the following beneficial effects:

1. compared with the prior art, when the backpack vehicle is used, all use scenes do not need to occupy two hands, and the vehicle only needs to occupy the backpack with the thickness of less than 70mm and can accommodate the folded vehicle.

2. Compared with the prior art, the backpack trolley is folded and unfolded simultaneously by the front and the rear castors, and the thickness of the folding trolley with the structure can be thinner than that of the folding trolley known at present after being folded, so that the backpack trolley is easier to carry and has a unique quick folding mechanism, and the size is minimized.

3. Compared with the prior art, the knapsack vehicle has the advantages that after the baby carriage is stored through the arranged straps, the knapsack has complete use functions, and when the knapsack is matched with the small trolley, the straps of the knapsack can be used as the five-point safety belt of the small trolley.

Drawings

Fig. 1 is a schematic view of the overall structure of a backpack vehicle according to the present invention;

FIG. 2 is a schematic view of a portion of the structure of a backpack vehicle according to the present invention;

FIG. 3 is a schematic side view of a backpack of the backpack vehicle according to the present invention;

FIG. 4 is a schematic view of an overall folding structure of the backpack vehicle according to the present invention;

FIG. 5 is a schematic view of a main harness of a backpack vehicle according to the present invention;

FIG. 6 is a schematic view of an internal structure of a rotary arm of a wheel frame of a backpack vehicle according to the present invention;

FIG. 7 is a schematic bottom view of a footrest of a backpack vehicle according to the present invention;

FIG. 8 is a schematic view of the internal structure of the foldable handle of the backpack vehicle according to the present invention;

fig. 9 is a schematic view of a folding structure of a folding handle of a backpack vehicle according to the present invention.

Illustration of the drawings:

1. a folding handle; 2. a first drawing rod; 3. a backpack; 4. a harness; 5. a safety handrail; 6. a seat plate; 7. a pedal positioning support rod; 8. a second drawing rod; 9. a footrest floor; 10. a front axle; 11. a front wheel; 12. a pedal fixing seat; 13. a rear steering wheel; 14. a rear wheel carrier; 15. a third drawing rod; 16. a hook is fixed on the backpack; 17. a main fixing sleeve; 18. a wheel carrier rotating arm; 19. positioning the shaft button; 20. the seat board rotates the arm; 21. the bottom plate is folded and connected with the lug; 22. blocking the cover; 23. a handle inner sleeve; 24. a handle fixing rod; 25. a tension spring; 26. a pedal positioning spring plate; 27. a return spring; 28. positioning the shaft; 29. the positioning shaft is connected with a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-9, the present invention provides a backpack vehicle: comprises a handle fixing rod 24, a first drawing rod 2 is fixedly connected to the lower surface of the handle fixing rod 24, a third drawing rod 15 is slidably connected to one end of the first drawing rod 2, which is far away from a folding handle 1, the height of the device can be adjusted by utilizing the first drawing rod 2 and the third drawing rod 15, a backpack 3 is arranged on the side surface of the third drawing rod 15, the folded vehicle can be placed and stored, a back strap 4 is arranged on the side surface of the backpack 3, a user can conveniently back the backpack 3, meanwhile, the back strap 4 can play the role of a safety belt, so that the safety of children can be increased, a rear wheel frame 14 is fixedly connected to the lower surface of a wheel frame rotating arm 18, a rear steering wheel 13 is movably connected to the lower surface of the rear wheel frame 14, a second drawing rod 8 is arranged at one end of a main fixing sleeve 17, which is far away from the third drawing rod 15, a pedal fixing seat 12 is fixedly connected to one end of the second drawing rod 8, which is far away from the main fixing sleeve 17, the lower surface of pedal fixing base 12 is provided with front axle 10, and the front surface swing joint of front axle 10 has front wheel 11, makes the device comparatively convenient when removing.

Through setting up above structure, make its convenient car after folding place and accomodate to can liberate user's both hands.

One end of the third drawing rod 15, which is far away from the first drawing rod 2, is provided with a main fixing sleeve 17, the rear surface of the main fixing sleeve 17 is provided with a wheel carrier rotating arm 18, the rear surface of the wheel carrier rotating arm 18 is movably connected with a positioning shaft button 19, the device can be folded in a compromise way by using the positioning shaft button 19, the front surface of the main fixing sleeve 17 is provided with a seat plate rotating arm 20, the seat plate rotating arm 20 is connected with the positioning shaft button 19, the side surface of the seat plate rotating arm 20 is movably connected with a bottom plate folding connecting lug 21, the upper surface of the seat plate rotating arm 20 is movably connected with a seat plate 6, the seat plate 6 is connected with the main fixing sleeve 17 in an attaching way, the seat plate 6 can be vertically folded and attached with the main fixing sleeve 17 by using the bottom plate folding connecting lug 21, a return spring 27 is arranged inside the wheel carrier rotating arm 18, the return spring 27 is connected with the positioning shaft button 19, the seat plate and the rear wheel support are folded, and the positioning shaft button 19 is released, the positioning shaft 28 is popped out under the action of the return spring 27, the main fixing sleeve 17 is meshed with the positioning shaft gear to complete positioning and locking, the positioning shaft 28 is arranged on the front surface of the wheel carrier rotating arm 18, the positioning shaft 28 is connected with a positioning shaft connecting screw 29 through internal threads, and the positioning shaft connecting screw 29 is connected with the positioning shaft button 19, so that the device is convenient to fold.

Through setting up above structure, when the device is not using, can fold the device to make the device conveniently place and accomodate in knapsack 3.

The upper surface of bedplate 6 is equipped with the recess, the inside swing joint of recess has safety handle 5, when children walk on bedplate 6, thereby can block children's multiplicable the device's security, the fixed couple 16 of back surface fixedly connected with knapsack of bedplate 6, can hang knapsack 3, the side surface swing joint of front axle 10 has running-board bottom plate 9, children can place the foot on running-board bottom plate 9, make its multiplicable the device's travelling comfort, the lower surface of running-board bottom plate 9 is equipped with the mounting groove, the inside of mounting groove is provided with running-board location spring board 26, the side surface fixedly connected with mounting panel of front axle 10, the side surface of mounting panel is provided with pedal location branch 7, and pedal location branch 7 is connected with running-board location spring board 26, make running-board bottom plate 9 can fold.

Through setting up above structure, multiplicable the device's security makes children comparatively comfortable when using the device simultaneously.

The side surface of the handle fixing rod 24 is movably connected with the folding handle 1, the inside of the folding handle 1 is fixedly connected with the handle inner sleeve 23, the front surface of the folding handle 1 is embedded and connected with the blocking cover 22, the inside of the handle fixing rod 24 is fixedly connected with the tension spring 25, and the tension spring 25 is connected with the handle inner sleeve 23, so that the folding handle 1 can be folded.

Through setting up above structure, when foldable handle 1 is folding, this state is convenient for wear to entangle and place in putting into knapsack 3 and accomodate.

The working principle is as follows: when the pedal base plate 9 is in an unfolded state, the pedal can be moved upwards without being obstructed to be parallel to the second drawing rod 8, and meanwhile, the pedal is moved downwards to enable the support rod to move to a position for positioning the pedal of the small trolley, the handle pipe sleeve is pulled to be away from the handle fixing rod 24 and upwards rotate the handle pipe sleeve to be parallel to the drawing rod, and the handle pipe sleeve is loosened, so that the backpack 3 can be conveniently sleeved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A backpack vehicle comprising a handle securing lever (24), characterized in that: the lower surface of the handle fixing rod (24) is fixedly connected with a first drawing rod (2), one end, far away from the folding handle (1), of the first drawing rod (2) is connected with a third drawing rod (15) in a sliding mode, a backpack (3) is arranged on the side surface of the third drawing rod (15), and a strap (4) is arranged on the side surface of the backpack (3);

one end, far away from the first drawing rod (2), of the third drawing rod (15) is provided with a main fixing sleeve (17), the rear surface of the main fixing sleeve (17) is provided with a wheel carrier rotating arm (18), the rear surface of the wheel carrier rotating arm (18) is movably connected with a positioning shaft button (19), the front surface of the main fixing sleeve (17) is provided with a seat plate rotating arm (20), the seat plate rotating arm (20) is connected with the positioning shaft button (19), the side surface of the seat plate rotating arm (20) is movably connected with a bottom plate folding connecting lug (21), the upper surface of the seat plate rotating arm (20) is movably connected with a seat plate (6), and the seat plate (6) is attached to the main fixing sleeve (17);

the inside of wheel carrier swinging boom (18) is provided with reset spring (27), and reset spring (27) are connected with location axle button (19), the front surface of wheel carrier swinging boom (18) is provided with location axle (28), the inside threaded connection of location axle (28) has location axle connecting screw (29), and location axle connecting screw (29) are connected with location axle button (19).

2. The backpack vehicle of claim 1, wherein: the upper surface of bedplate (6) is equipped with the recess, the inside swing joint of recess has safety handle (5), the fixed couple (16) of knapsack that is connected with of rear surface of bedplate (6).

3. The backpack vehicle of claim 1, wherein: the one end that third pull pole (15) were kept away from in main fixed cover (17) is provided with second pull pole (8), the pedal fixing base (12) of one end fixedly connected with that main fixed cover (17) was kept away from in second pull pole (8), the lower surface of pedal fixing base (12) is provided with front axle (10), the front surface swing joint of front axle (10) has front wheel (11).

4. The backpack vehicle of claim 3, wherein: the side surface of the front axle (10) is movably connected with a pedal bottom plate (9), the lower surface of the pedal bottom plate (9) is provided with a mounting groove, and a pedal positioning spring plate (26) is arranged in the mounting groove.

5. The backpack vehicle of claim 3, wherein: the side surface of the front axle (10) is fixedly connected with a mounting plate, a pedal positioning support rod (7) is arranged on the side surface of the mounting plate, and the pedal positioning support rod (7) is connected with a pedal positioning spring plate (26).

6. The backpack vehicle of claim 1, wherein: the side surface of the handle fixing rod (24) is movably connected with a folding handle (1), and a handle inner sleeve (23) is fixedly connected inside the folding handle (1).

7. The backpack vehicle of claim 6, wherein: the front surface of foldable handle (1) gomphosis is connected with blanking cover (22), the inside fixedly connected with extension spring (25) of handle dead lever (24), and extension spring (25) are connected with handle endotheca (23).

8. The backpack vehicle of claim 1, wherein: the lower surface of the wheel carrier rotating arm (18) is fixedly connected with a rear wheel carrier (14), and the lower surface of the rear wheel carrier (14) is movably connected with a rear steering wheel (13).