CN211657549U

CN211657549U - Multifunctional draw-bar schoolbag

Info

Publication number: CN211657549U
Application number: CN202020088807.6U
Authority: CN
Inventors: 张文标; 杨鹏; 霍环宇; 李金苗
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-13
Anticipated expiration: 2030-01-14

Abstract

The utility model relates to a multi-functional pull rod schoolbag, including schoolbag body and pull rod frame, the schoolbag body hold in one side of pull rod frame, the pull rod frame is equipped with umbrella telescoping device, draw bar device and scooter telescoping device, the umbrella telescoping device is located the inside of first pull rod, makes the umbrella stretch out and open from the pole through pressing down spring assembly, draw bar device is located schoolbag body back, and is fixed continuous with the schoolbag, and three pull rod passes through the rigid ball control of spring and stretches out and draws back, the scooter telescoping device is located schoolbag body bottom, stretches out and draws back through the slide bar, and inside contains the seat device. The utility model discloses a set up umbrella telescoping device and scooter telescoping device in the pull rod frame of pull rod schoolbag, made the pull rod schoolbag realize hiding the function of rain and scooter, the device can stretch out and draw back fast moreover and not influence other functions of pull rod schoolbag, simple structure and simple operation.

Description

Multifunctional draw-bar schoolbag

Technical Field

The utility model relates to a field of study article auxiliary device, specific multi-functional pull rod schoolbag that says so.

Background

Along with the increasingly competitive situation of the current society, the pressure of students is increased along with the supervision and urging of parents, and students need to bear a large number of books and various student tools to learn, so that the healthy development of the bodies of the students is seriously influenced. Some students select walking travel modes, and if the roads are far away, a lot of time is delayed; the other part of students select the bicycles to go to school, the time cost is reduced conveniently in sunny days, but in rainy days, the students need to take the umbrella on one hand and ride the bicycles on the other hand, the safety problem of the students is seriously influenced, and the multifunctional schoolbag can just solve the functions of holding the umbrella by hands and changing the trip mode.

In view of the above, there is a need for a multi-functional bag with a handle that can be used conveniently and meet the safety requirements, that is, a multi-functional bag with a handle, which has the following specific advantages:

1. a multi-functional pull rod schoolbag, its combination that adopts different field techniques changes the function of current pull rod schoolbag, has more made things convenient for people's use.

2. A multi-functional pull rod schoolbag, it is provided with umbrella telescoping device, can open when rainy day, and do not need artificial handheld, greatly increased the people's of riding bicycle security.

3. A multi-functional pull rod schoolbag, it is provided with the scooter telescoping device, can open the skating device under the condition that the way is a little far away, provides another kind of trip mode for the crowd who walks.

SUMMERY OF THE UTILITY MODEL

In order to increase the functions of the prior pull rod schoolbag and the requirements of the convenient users, the utility model provides a multifunctional pull rod schoolbag.

The utility model discloses its technical scheme who solves technical problem and adopt is: the utility model provides a multi-functional pull rod schoolbag, includes schoolbag body and pull rod frame, schoolbag body hold put in one side of pull rod frame, pull rod frame be provided with umbrella telescoping device, pull rod device and scooter telescoping device, umbrella telescoping device be located the inside of first pull rod, in the use, the accessible is pressed spring assembly and is made umbrella stretch out from the pole to make the umbrella open through the button on the umbrella stick, pull rod device be located schoolbag body back, with the schoolbag fixed linking to each other, three pull rod controls flexible fixed through the little rigid ball on the spring, the scooter telescoping device be located the bottom of schoolbag body, stretch out and draw back through the slide bar, wherein inside contains the seat device, the accessible equipment is accomplished.

As a further explanation of the above solution, the pull rod device includes a first pull rod, a second pull rod and a third pull rod; the first pull rod and the second pull rod are both stretched on the basis of the third pull rod; third pull rod lower part and scooter telescoping device fixed connection, the second pull rod is stretched out and drawn back in the top of third pull rod, and its fixed position is controlled to inside spring steel ball device, and the required equipment pole of two seat devices is equipped with to the inside both sides handle of the top, first pull rod is stretched out and drawn back in the top of second pull rod, and inside contains spring steel ball device and controls fixed position.

As a further explanation of the above solution, the umbrella extension device comprises a pressing spring device and an umbrella; the pressing spring device and the umbrella are both positioned in the first pull rod; the umbrella is fixedly connected with the pressing spring device, the umbrella is ejected out through pressing, and the button on the umbrella handle is opened to open the umbrella.

As a further explanation of the above scheme, the scooter telescoping device comprises a front roller, a rear roller, an upper scooter and a lower scooter; the front idler wheel is hinged with the upper plate trolley, and the rear idler wheel is hinged with the lower plate trolley; the seat device is arranged in the lower scooter, the seat device is taken out after the scooter extends, and the seat device and the assembling rod in the second pull rod handle are combined to form a seat of the scooter.

The utility model relates to a section not only facilitates the use but also can satisfy the pull rod schoolbag of safety requirement, its beneficial effect as follows:

Drawings

FIG. 1 is a schematic structural view of an umbrella extension device and a pull rod device of the present invention;

FIG. 2 is a schematic view of the telescopic device of the scooter of the present invention;

fig. 3 is a schematic view of the whole structure of the utility model after the pull-rod schoolbag is stretched.

Wherein: 1 is a first pull rod, 2 is a second pull rod, 3 is a third pull rod, 4 is a scooter telescoping device, 5 is a schoolbag body, 11 is a steel ball of a spring steel ball part, 12 is a spring of the spring steel ball part, 13 is a pressing spring device, 14 is an umbrella, 15 is a round hole on the first pull rod, 21 is a steel ball of the spring steel ball part, 22 is a spring of the spring steel ball part, 23, 24 and 25 are round holes on the second pull rod, 31 is a round hole on the third pull rod, 411 is a board of an upper board vehicle, 412 is a front roller of the upper board vehicle, 421 is a board of a lower board vehicle, 422 is a rear roller of the lower board vehicle, 423 is a seat device embedded in the lower board vehicle, and 424 is an assembling rod inside a handle of the second pull rod.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in figures 1, 2 and 3, the utility model provides a multifunctional pull rod schoolbag, which comprises a schoolbag body 5 and a pull rod frame, wherein the schoolbag body 5 is placed on one side of the pull rod frame, the pull rod frame is provided with an umbrella expansion device, a pull rod device and a scooter expansion device, the umbrella expansion device is arranged inside a first pull rod 1 in the pull rod device, in the using process, an umbrella 14 can be extended out of the rod by pressing a spring device 13, the umbrella 14 is opened by a button on an umbrella handle, the pull rod device is arranged on the back of the schoolbag body and is fixedly connected with the schoolbag, the three pull rod first pull rod 1, a second pull rod 2 and a third pull rod 3 are controlled to expand and contract by a rigid spring ball, the scooter expansion device is arranged at the bottom of the schoolbag body 5 and expands and contracts by the sliding between a board 411 of an upper board cart and a board 421 of a lower board cart, wherein the interior of the plate 421 of the lower plate vehicle contains the seat device 423 embedded in the lower plate vehicle, and the seat device can be assembled with the assembling rod 424 in the interior of the second pull rod handle.

As a preferable scheme of the utility model, the pull rod device comprises a first pull rod 1, a second pull rod 2 and a third pull rod 3; the first pull rod 1 and the second pull rod 2 are both stretched on the basis of the third pull rod 3; third pull rod 3 lower part and scooter telescoping device fixed connection, second pull rod 2 stretches out and draws back in the top of third pull rod 3, and its position is controlled to inside spring steel ball device, and the required equipment pole of two seat devices is equipped with to the top both sides handle inside, first pull rod 1 is stretched out and drawn back in the top of second pull rod 2, and inside is equipped with spring steel ball control position.

When the pull rod function of the pull rod schoolbag is used, firstly, the extension of the second pull rod 2 is controlled, the spring 22 of the spring device is compressed and enters the round hole on the third pull rod 3 by pressing the steel ball 21 of the spring device, then the second pull rod 2 begins to ascend, and when the steel ball 21 ascends to the top round hole on the third pull rod 3, the steel ball 21 protrudes, so that the second pull rod 2 is fixed on the third pull rod 3.

As a preferred scheme of the utility model, the umbrella extension device comprises a pressing spring device 13 and an umbrella 14; the pressing spring device 13 and the umbrella 14 are both positioned inside the first pull rod 1; the umbrella 14 is positioned above the pressing spring device 13 and fixedly connected with the pressing spring device, the umbrella 14 is ejected by pressing, and the umbrella 14 is unfolded after a button on the umbrella handle is opened, so that the function of shielding wind and rain in rainy days is achieved.

When the umbrella of this pull rod schoolbag is flexible function, through pressing spring assembly's steel ball 11 for spring assembly's spring 12 compresses and gets into the round hole on the second pull rod 2, and first pull rod 1 begins to rise thereupon, and when the top round hole on the second pull rod 2 rises, thereby steel ball 11 arch first pull rod 1 is fixed on second pull rod 2. Then the spring device 13 is pressed to eject the umbrella 14 slowly, and the umbrella 14 is opened after the button on the umbrella handle is opened.

As a preferred embodiment of the present invention, the scooter retractable device comprises a board 411 of the upper board vehicle, a front roller 412 of the upper board vehicle, a board 421 of the lower board vehicle, a rear roller 422 of the lower board vehicle and a seat device 423 embedded in the lower board vehicle. The front roller 412 of the upper plate vehicle is hinged with the plate 411 of the upper plate vehicle, the rear roller 422 of the lower plate vehicle is hinged with the plate 421 of the lower plate vehicle, the plate 421 of the lower plate vehicle contains a seat device 423 embedded in the lower plate vehicle, and the plate 411 of the upper plate vehicle is connected with the plate 421 of the lower plate vehicle in a sliding manner.

Further, the assembly rod 424 inside the second pull rod handle is spliced with the seat device 423 embedded in the lower scooter to form the seat device.

When the scooter of the pull-rod schoolbag is used for stretching, the scooter plate 421 of the lower scooter is pulled open and fixed, the assembling rod 424 in the second pull-rod handle is taken out, the seat device 423 embedded in the lower scooter is taken out, and the seat device is spliced and formed and fixed on the scooter plate 421 of the lower scooter.

The technical principle and the main features of the present invention have been described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the invention without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a multi-functional pull rod schoolbag, includes schoolbag body (5) and pull rod frame, schoolbag body (5) hold in one side of pull rod frame, its characterized in that: the pull rod rack is provided with an umbrella telescopic device, a pull rod device and a scooter telescopic device (4);

umbrella telescoping device is located the inside of first pull rod (1), makes umbrella (14) stretch out and open from the pole through pressing down spring assembly (13), the pull rod device is located schoolbag body (5) back, links to each other with schoolbag body (5) is fixed, and three pull rod passes through the rigid ball control of spring and stretches out and draws back, scooter telescoping device (4) are located schoolbag body (5) bottom, stretch out and draw back through the slide bar, and inside contains the seat device.

2. The multi-purpose trolley school bag of claim 1, wherein: the pull rod device comprises a first pull rod (1), a second pull rod (2) and a third pull rod (3); the first pull rod (1) and the second pull rod (2) are both stretched on the basis of the third pull rod (3); the lower portion of the third pull rod (3) is fixed on a scooter telescopic device (4), the second pull rod (2) is telescopic above the third pull rod (3), the position of the spring steel ball device is controlled, the first pull rod (1) is telescopic above the second pull rod (2), and the position of the spring steel ball is controlled.

3. The multi-purpose trolley school bag of claim 2, wherein: the two side handles of the second pull rod (2) are internally provided with two assembling rods (424) required by the seat device.

4. The multi-purpose trolley school bag of claim 1, wherein: the umbrella telescopic device comprises a pressing spring device (13) and an umbrella (14); the pressing spring device (13) and the umbrella (14) are positioned in the first pull rod (1); the umbrella (14) is fixedly connected above the pressing spring device (13).

5. The multi-purpose trolley school bag of claim 1, wherein: the scooter telescoping device (4) comprises a scooter plate (411) of an upper scooter, a front roller (412) of the upper scooter, a scooter plate (421) of a lower scooter, a rear roller (422) of the lower scooter and a seat device (423) embedded in the lower scooter; the front roller (412) of the upper plate vehicle is hinged with the plate (411) of the upper plate vehicle, the rear roller (422) of the lower plate vehicle is hinged with the plate (421) of the lower plate vehicle, a seat device (423) embedded in the lower plate vehicle is arranged in the plate (421) of the lower plate vehicle, and the plate (411) of the upper plate vehicle is connected with the plate (421) of the lower plate vehicle in a sliding mode.