CN210114131U

CN210114131U - Multifunctional schoolbag pull rod trolley

Info

Publication number: CN210114131U
Application number: CN201921085898.1U
Authority: CN
Inventors: 刘良喜
Original assignee: Guangzhou Bafeng Tu Leather Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-02-28
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a multifunctional schoolbag pull rod trolley, which comprises a schoolbag holding base, a telescopic hand pull rod, telescopic supporting legs and moving wheels, wherein the telescopic hand pull rod is rotatably hinged at the rear part of the schoolbag holding base; the schoolbag containing base is provided with a hinge seat, a movable wheel bearing seat and a reinforcing rib, the reinforcing rib and the telescopic supporting leg are connected into a whole, the movable wheel bearing seat is connected with the movable wheel, and the hinge seat is hinged with the telescopic hand lever; the rivet on the hinged seat is hinged with the telescopic hand lever and fixed on the fixed plate, and the locking buckle is positioned on the fixed plate. The utility model discloses a multi-functional schoolbag pull rod car design scientific and reasonable, simple structure convenient operation not only can go up stair as the on-vehicle schoolbag of hand power, has solved the heavy burden problem, but also can become stool or desk use, makes things convenient for the student to have a rest and write the operation temporarily.

Description

Multifunctional schoolbag pull rod trolley

Technical Field

The utility model relates to a case and bag part technical field, concretely relates to bear a burden greatly, convenient to use just can regard as the multi-functional schoolbag pull rod car of stool or desk.

Background

With the aggravation of the study task of students, the books in their schoolbag are more and more, and the schoolbag used by the students at present is a big book containing bag. The 'burden reduction' of the schoolbag for the children is always a topic concerned by the public, and the scientific experiment shows that the weight of the backpack does not exceed 10% of the weight of a backpack user best when a user knows that the schoolbag is multiple and most suitable. Most of the existing schoolbag exceeds the weight, but the schoolbag has a single structure and function, cannot be pulled and has certain limitation.

Application number CN01264271.1 discloses a hand power schoolbag among the prior art: the structure of the schoolbag consists of a hand lever 1, a schoolbag body 2 and a movable wheel 3, wherein the hand lever 1 and the movable wheel 3 are respectively arranged on the schoolbag body 2, and the movable wheel 3 is connected with a telescopic rod 4 which can be stretched and shortened randomly. The telescopic rod 4 consists of an inner slide rod, an outer sleeve rod and a positioning piece; the inner slide bar can be arranged in the outer sleeve in a sliding manner, the inner slide bar can slide up and down along the inner wall of the outer sleeve, and positioning pieces are further arranged on the inner slide bar and the outer sleeve and used for fixing the relative position between the inner slide bar and the outer sleeve which slide on a certain position.

However, such techniques have the following disadvantages: 1. the functions are too few, only a schoolbag can be placed, and the used students disagree with the aesthetic feeling degree and consider the schoolbag as a tool for buying vegetables; 2. when going upstairs, the user must use the hand, thus greatly limiting the use scene and causing the problem that the user cannot go upstairs; 3. and cannot be used as another tool.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burden is great, convenient to use just can regard as the multi-functional schoolbag pull rod car of stool or desk.

In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:

a multifunctional schoolbag pull rod trolley comprises a schoolbag containing base, a telescopic hand pull rod, telescopic supporting legs and moving wheels, wherein the telescopic hand pull rod is rotatably hinged to the rear of the schoolbag containing base; the schoolbag containing base is provided with a hinge seat, a movable wheel bearing seat and a reinforcing rib, the reinforcing rib and the telescopic supporting leg are connected into a whole, the movable wheel bearing seat is connected with the movable wheel, and the hinge seat is hinged with the telescopic hand lever; the hinged base is provided with a rivet, a fixing plate, a locking buckle and a rotating groove, the rivet is hinged with the telescopic hand lever and fixed on the fixing plate, and the locking buckle is located on the fixing plate.

Furthermore, one end of the locking buckle is fixed on the fixing plate, and the other end of the locking buckle is buckled with the fixing plate on the other side; the rotary groove is positioned on the schoolbag holding base.

Furthermore, the moving wheel is a triangular wheel set consisting of 3 pulleys, the 3 pulleys are not interfered with each other, and the interval between the 3 pulleys is half of the height of the common stair.

Further, remove to take turns to and be equipped with the apron, apron and schoolbag hold base integrated into one piece, integrated into one piece increases holistic mechanical strength, and is firmly difficult.

Furthermore, the total length of the pull rods of the telescopic hand lever is three, the first length is 50CM, the second length is 70CM, the third length is 90CM, and the shortest contraction length is 50 CM.

Furthermore, the maximum height formed by the telescopic supporting legs and the schoolbag containing base is 50CM, so that the telescopic supporting legs and the telescopic hand pull rod are 50CM in shortest length to form a stool or a chair, and the function of the stool or the chair is changed into the stool or the chair for use.

Further, be provided with flexible button and top compressive nail on the flexible hand lever, flexible button is located flexible hand lever side, and top compressive nail is located flexible hand lever top both sides, and top compressive nail is the plastics glue nail, and when using, can not damage flexible hand lever's top and influence its pleasing to the eye.

Furthermore, the schoolbag holding base is integrally formed by injection molding of engineering plastics, and is generally formed by one-time injection molding of ABS plastics.

The multifunctional schoolbag pull rod trolley has scientific and reasonable design, simple structure, convenient operation and multiple functions, can be used as a hand-pulled schoolbag on a vehicle to go upstairs, and can also be changed into a stool or a desk for use, thereby facilitating the rest and temporary writing operation of students; not only solves the problem of load bearing, but also adds multiple functions.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:

fig. 1 is a schematic view of an embodiment of a multifunctional schoolbag pull rod cart of the present invention;

FIG. 2 is a schematic view of the hinge seat of the multi-function bag trolley;

FIG. 3 is a schematic view of another state of the multi-function bag trolley;

FIG. 4 is a schematic view of the multifunctional schoolbag pull rod vehicle showing a schoolbag in use;

in the drawings: 1-a schoolbag holding base; 2-telescopic hand lever; 3-telescopic supporting legs; 4-a moving wheel; 11-a hinged seat; 12-moving the wheel bearing seat; 13-reinforcing ribs; 110-rivets; 111-a fixed plate; 112-locking the buckle; 113-a rotating tub; 21-a telescoping button; 22-top compression resistant nail; 41-cover plate.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

As shown in fig. 1 to 4, a multifunctional schoolbag pull rod cart comprises a schoolbag holding base 1, a telescopic pull rod 2, telescopic supporting legs 3 and moving wheels 4, wherein the telescopic pull rod 2 is rotatably hinged behind the schoolbag holding base 1, the telescopic supporting legs 3 are fixed at the front lower part of the schoolbag holding base 1, and the moving wheels 4 are fixed at two sides of the schoolbag holding base 1; the schoolbag containing base 1 is provided with a hinge seat 11, a movable wheel bearing seat 12 and a reinforcing rib 13, the reinforcing rib 13 and the telescopic supporting leg 3 are connected into a whole, the movable wheel bearing seat 12 is connected with the movable wheel 4, and the hinge seat 11 is hinged with the telescopic hand pull rod 2; the hinged base 11 is provided with a rivet 110, a fixing plate 111, a locking buckle 112 and a rotating groove 113, the rivet 110 is hinged with the telescopic hand lever 2 and fixed on the fixing plate 111, and the locking buckle 112 is located on the fixing plate 111.

Specifically, one end of the locking buckle 112 is fixed on the fixing plate 111, and the other end is buckled with the fixing plate 111 on the other side; the rotary groove 113 is positioned on the schoolbag holding base 1.

In some embodiments, the moving wheel 4 is a triangular wheel set consisting of 3 pulleys, and the 3 pulleys do not interfere with each other and are spaced from each other by half of the height of the common staircase. When going upstairs, one wheel of the moving wheel 4 of the triangular wheel set climbs to the top of the ladder, namely, the small wheel can be changed into the large wheel for use; when the wheel is used on flat ground, the two wheels are in contact with the ground, so that the instability of the traditional wheel and the possibility of damaging the wheel when the wheel jumps under resistance are changed. Remove to be equipped with apron 41 on the wheel 4, apron 41 holds base 1 integrated into one piece with the schoolbag, and integrated into one piece increases holistic mechanical strength, and is firmly difficult.

In some embodiments, the total length of the pull rod of the telescopic pull rod 2 is three, the first length is 50CM, the second length is 70CM, the third length is 90CM, and the shortest contracted length is 50 CM. The maximum height of the telescopic supporting legs 3 and the schoolbag containing base 1 is 50CM, so that the shortest length of the telescopic supporting legs and the telescopic hand pull rod 2 is 50CM to form a stool or a chair, and the function of the stool or the chair is changed into the stool or the chair.

Specifically, be provided with flexible button 21 and top compressive nail 22 on flexible hand lever 2, flexible button 21 is located flexible hand lever 2 side, and top compressive nail 22 is located flexible hand lever 2 top both sides, and top compressive nail 22 is the plastics glue nail, and when using, can not damage flexible hand lever 2's top and influence its pleasing to the eye.

In some embodiments, the schoolbag holding base 1 is integrally injection molded by engineering plastics, and is generally formed by one-time injection molding by ABS plastics.

Further detailed description is given to the principle of the multifunctional schoolbag pull rod vehicle:

1. description of the most common use states of a multifunctional schoolbag pull rod vehicle: when the schoolbag is used, the pull rod belt of the schoolbag is sleeved on the telescopic hand pull rod 2 like a common schoolbag pull rod vehicle, and the telescopic hand pull rod 2 adjusts the telescopic button 21 to adjust the height, so that children with different heights can use the schoolbag conveniently.

2. As the tool for climbing stairs, the present hand buggy needs to be manually lifted when climbing stairs, the utility model discloses a multifunctional schoolbag pull rod car avoids this kind of condition. The operation is that only when the stairs are adjusted upwards, the telescopic pull rod 2 is stretched upwards in an inclined mode, one wheel of the moving wheel 4 of the triangular wheel set at the bottom climbs to the top of the stairs, then the telescopic pull rod 2 is inclined a little, the moving wheel 4 at the top is used as a fulcrum of the lever, and finally the whole multifunctional schoolbag pull rod vehicle is moved to the stairs.

3. The multifunctional schoolbag pull rod vehicle is used as a stool or a desk, firstly, the locking buckle 112 on the hinged seat 11 is opened, the telescopic hand pull rod 2 is loosened, then the telescopic hand pull rod 2 rotates 180 degrees, and then the upper locking buckle 112 is closed to lock the telescopic hand pull rod 2 to make it unable to move; the telescopic support foot 3 is then extended and finally the telescopic height is locked by the locking bayonet thereon. Therefore, the multifunctional schoolbag pull rod trolley becomes a stool of 50CM or a desk of 90 CM.

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

Claims

1. The utility model provides a multi-functional schoolbag pull rod car, holds base (1), flexible pull rod (2) and scalable supporting legs (3) including the schoolbag to and remove wheel (4), its characterized in that:

the retractable hand pull rod (2) is rotatably hinged behind the schoolbag containing base (1), the retractable supporting legs (3) are fixed at the front lower part of the schoolbag containing base (1), and the moving wheels (4) are fixed at two sides of the schoolbag containing base (1); the schoolbag containing base (1) is provided with a hinge seat (11), a movable wheel bearing seat (12) and a reinforcing rib (13), the reinforcing rib (13) is connected with the telescopic supporting leg (3) into a whole, the movable wheel bearing seat (12) is connected with the movable wheel (4), and the hinge seat (11) is hinged with the telescopic hand lever (2); the hinge base (11) is provided with a rivet (110), a fixing plate (111) and a locking buckle (112), and a rotating groove (113), the rivet (110) is hinged with the telescopic hand lever (2) and fixed on the fixing plate (111), and the locking buckle (112) is located on the fixing plate (111).

2. The multi-functional schoolbag pull rod car of claim 1, characterized in that:

one end of the locking buckle (112) is fixed on the fixing plate (111), and the other end of the locking buckle is buckled with the fixing plate (111) on the other side; the rotary groove (113) is positioned on the schoolbag holding base (1).

3. The multi-functional schoolbag pull rod car of claim 1, characterized in that:

the movable wheel (4) is a triangular wheel set consisting of 3 pulleys, the 3 pulleys are not interfered with each other, and the interval between the 3 pulleys is half of the height of the common stair.

4. The multi-functional schoolbag pull rod car of claim 3, characterized in that:

the movable wheel (4) is provided with a cover plate (41), and the cover plate (41) and the schoolbag containing base (1) are integrally formed.

5. The multi-functional schoolbag pull rod car of claim 1, characterized in that:

the total length of the pull rods of the telescopic hand pull rod (2) is three, the first length is 50CM, the second length is 70CM, the third length is 90CM, and the shortest length of contraction is 50 CM.

6. The multi-functional schoolbag pull rod car of claim 5, characterized in that:

the maximum height formed by the telescopic supporting legs (3) and the schoolbag containing base (1) is 50 CM.

7. The multi-functional schoolbag pull rod car of claim 5, characterized in that:

the telescopic hand lever (2) is provided with a telescopic button (21) and a top pressure resistant nail (22), the telescopic button (21) is located on the side face of the telescopic hand lever (2), and the top pressure resistant nail (22) is located on two sides of the top of the telescopic hand lever (2).

8. The multi-functional schoolbag pull rod car of claim 1, characterized in that:

the schoolbag containing base (1) is integrally formed by injection molding of engineering plastics.