CN211672853U

CN211672853U - Box-type schoolbag for pupils

Info

Publication number: CN211672853U
Application number: CN202020441310.8U
Authority: CN
Inventors: 骆思言
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-16
Anticipated expiration: 2030-03-31

Abstract

The utility model belongs to the technical field of student's articles for use technique and specifically relates to a primary school student uses box schoolbag, comprising a base plate, fixed surface is connected with schoolbag body on the bottom plate, schoolbag body one side is provided with two braces, the middle part position fixedly connected with fixed plate that the bottom plate upper surface is close to brace one side, the middle part position of fixed plate upper end is provided with pull rod assembly, the both ends that the bottom plate lower surface is close to fixed plate one side are equallyd divide and do not articulate there is the connecting rod, the universal wheel is do not installed to two connecting rod lower extremes, be provided with buffer gear between two connecting rods, other fixedly connected with support column is equallyd divide at the both ends of. The box-type schoolbag for pupils can be pulled and carried on the back, is convenient to use, and has the effects of buffering and preventing toppling when being pulled.

Description

Box-type schoolbag for pupils

Technical Field

The utility model relates to a student's articles for use technical field especially relates to a primary school student is with box schoolbag.

Background

The schoolbag is one of student articles frequently used by pupils and is used for containing some study articles. The prior primary school is rich in courses, and many study articles such as books and stationery exist, most of the traditional schoolbag is a shoulder-carried schoolbag, and students carry the schoolbag bulky everyday to seriously influence the body development and the skeleton growth, so that the prior box-type schoolbag with wheels is provided, and the students can pull the schoolbag on the ground without carrying the heavy schoolbag. On one hand, the existing box type schoolbag is only provided with two wheels at the bottom end of the bag, but if the bag meets a road section with an uneven road surface, the box type schoolbag can generate violent vibration in the process of moving on the ground, so that the damage degree of the box type schoolbag is increased, and the process of pulling the schoolbag by students becomes very laborious and inconvenient to use; on the other hand, the box-type schoolbag often shakes left and right when moving on an uneven road surface, so that the box-type schoolbag can easily topple over, and great inconvenience can be brought. Therefore, the existing box type schoolbag does not have the capability of shock absorption and buffering and the function of preventing toppling, and innovative improvement is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior box type schoolbag does not have the damping and buffering capacity and the anti-toppling function, and providing the box type schoolbag for the primary school students.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a box schoolbag for pupils, which comprises a bottom plate, wherein a schoolbag body is fixedly connected with the upper surface of the bottom plate, two braces are arranged at one side of the schoolbag body, a fixing plate is fixedly connected with the middle position of the upper surface of the bottom plate, which is close to one side of the braces, the fixing plate is fixedly embedded at one side of the schoolbag body, a pull rod assembly is arranged at the middle position of the upper end of the fixing plate, two connecting rods are respectively hinged at two ends of the lower surface of the bottom plate, which are close to one side of the fixing plate, the two connecting rods are oppositely arranged, universal wheels are respectively arranged at the lower ends of the two connecting rods, a buffer mechanism is arranged between the two connecting rods, supporting columns are respectively and fixedly connected at two ends of the other side of, and the two ends of the telescopic rod are respectively hinged to two opposite sides of the connecting rods, a spring is sleeved on the outer side of the telescopic rod, one end of the spring is fixedly connected to one of the connecting rods, and the other end of the spring is fixedly connected to the other connecting rod.

Preferably, the pull rod assembly includes slot and fastening nut, the slot is seted up the middle part position of fixed plate upper end, slidable inserts in the slot and is equipped with the regulation pole, just adjust the pole upper end and extend to directly over the fixed plate and threaded connection have the adapter sleeve, do not fixedly connected with handle are equallyd divide to the adapter sleeve both sides, fastening nut runs through ground threaded connection the upper portion position of fixed plate one side, just fastening nut one end run through extremely in the slot and can with adjust pole fastening connection.

Preferably, the two handles are respectively fixedly sleeved with an anti-slip sleeve, and the anti-slip sleeves are rubber anti-slip sleeves.

Preferably, the telescopic rod comprises a sleeve and a loop bar, the sleeve is hinged on one of the connecting rods, the loop bar is hinged on the other connecting rod, and one end of the loop bar is inserted in the sleeve and fixedly connected with a limiting block.

Preferably, the lower ends of the two support columns are respectively and fixedly connected with rubber blocks, and the rubber blocks are wedge-shaped structural members.

The utility model provides a pair of pupil is with box schoolbag, beneficial effect lies in: according to the box-type schoolbag for the primary school, through the arrangement of the telescopic rod, the spring, the connecting rods and the universal wheels, when a student pulls the schoolbag to move through the pull rod assembly, on one hand, under the buffer action of the telescopic rod and the spring, the two connecting rods which are hinged to each other and the two universal wheels have the buffer effect, so that the shock absorption and buffer effects on the box-type schoolbag can be effectively realized, further, the damage to the schoolbag caused by severe vibration can be reduced, and the service life of the box-type schoolbag can be prolonged; on the other hand, if the student meets a road section with an uneven road surface, the process that the student pulls the box-type schoolbag to move can be more labor-saving and stable through the design; and, if this box schoolbag during the condition that will tend to empty soon appears in the in-process that moves on uneven road surface, because two connecting rods in this design are respectively to the articulated setting of both sides direction slope, again under the cushioning effect of telescopic link and spring, the schoolbag that will empty soon can exert a pressure for empting the ascending connecting rod of side, thereby make this connecting rod rotate to the horizontally direction, and then can make the bottom of this box schoolbag and the area of contact on ground follow increase, the area of contact on the bottom of this box schoolbag and ground has increased, the stability of box schoolbag has been increased, thereby can reach the effect of preventing empting effectively.

Drawings

Fig. 1 is a schematic structural view of a box-type schoolbag for pupils according to the present invention.

Fig. 2 is a side view of the structure of fig. 1.

Fig. 3 is a structural sectional view of the handle assembly of fig. 1.

Fig. 4 is a structural sectional view of the telescopic rod of fig. 1.

In the figure: the schoolbag comprises a bottom plate 1, universal wheels 2, a buffer mechanism 3, an expansion rod 31, a sleeve 311, a loop bar 312, a limit block 313, a spring 32, a connecting rod 4, a shoulder strap 5, a schoolbag body 6, a pull rod assembly 7, a fastening nut 71, an adjusting rod 72, an anti-skidding sleeve 73, a connecting sleeve 74, a handle 75, a slot 76, a fixing plate 8, a supporting column 9 and a rubber block 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, a primary school student uses the box type schoolbag, including the bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with the schoolbag body 6, one side of the schoolbag body 6 is equipped with two braces 5, the middle position of the upper surface of the bottom plate 1 near one side of the braces 5 is fixedly connected with the fixed plate 8, and the fixed plate 8 is fixedly embedded at one side of the schoolbag body 6, the middle position of the upper end of the fixed plate 8 is equipped with the pull rod assembly 7, the two ends of the lower surface of the bottom plate 1 near one side of the fixed plate 8 are respectively hinged with the connecting rods 4, and the two connecting rods 4 are oppositely arranged, the lower ends of the two connecting rods 4 are respectively equipped with the universal wheel 2, the fixed plate 8 in the design specifically adopts the ABS plastic plate, the material of the ABS plastic plate is light, flexible and rigid, and can bear larger, thereby being suitable for students; through the setting of pull rod assembly 7 and universal wheel 2 for this box schoolbag can be pulled and can be carried on the back, has not only made things convenient for student's use, and the use also can be more laborsaving moreover.

Be provided with buffer gear 3 between two connecting rods 4, other fixedly connected with support column 9 is equallyd divide at the both ends of 1 lower surface opposite side of bottom plate, other fixedly connected with block rubber 10 is equallyd divide to two support column 9 lower extremes, and block rubber 10 is the wedge structure spare, through the setting of support column 9 and block rubber 10, when need not use this box schoolbag, under the effect of support column 9, can directly stand this box schoolbag subaerial with, can not empty, simultaneously under the effect of block rubber 10, can play the effect of certain buffering.

The buffer mechanism 3 comprises an expansion link 31, the expansion link 31 is arranged between the two connecting rods 4, two ends of the expansion link 31 are respectively hinged on one side of the two connecting rods 4, a spring 32 is sleeved on the outer side of the expansion link 31, one end of the spring 32 is fixedly connected to one connecting rod 4, the other end of the spring 32 is fixedly connected to the other connecting rod 4, when the student pulls the schoolbag to move through the pull rod assembly 7, on one hand, under the buffer action of the telescopic rod 31 and the spring 32, the two connecting rods 4 and the two universal wheels 2 which are hinged with each other have the buffer effect, thereby effectively playing the role of shock absorption and buffer of the box-type schoolbag, further, damage to the schoolbag caused by severe vibration can be reduced, and the service life of the box type schoolbag can be prolonged; on the other hand, if the student meets a road section with an uneven road surface, the process that the student pulls the box-type schoolbag to move can be more labor-saving and stable through the design; moreover, if the case schoolbag moves on uneven road surface, when the case schoolbag is inclined to topple over, because two connecting rods 4 in the design are respectively arranged to the hinged connection of the two sides, under the buffer action of the telescopic rods 31 and the springs 32, the schoolbag to be toppled over can apply pressure to the connecting rods 4 in the toppled direction, so that the connecting rods 4 rotate in the horizontal direction, the contact area between the bottom end of the case schoolbag and the ground can be increased accordingly, the contact area between the bottom end of the case schoolbag and the ground is increased, the stability of the case schoolbag can be increased, and the toppled-over prevention effect can be effectively achieved.

Example 2

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the pull rod assembly 7 includes a slot 76 and a fastening nut 71, the slot 76 is opened at the middle position of the upper end of the fixing plate 8, the adjusting rod 72 is slidably inserted in the slot 76, the upper end of the adjusting rod 72 extends to the position right above the fixing plate 8 and is connected with a connecting sleeve 74 by screw threads, the two sides of the connecting sleeve 74 are equally divided into two fixedly connected handles 75, two handles 75 are equally divided into two fixedly sleeved with an anti-slip sleeve 73, the anti-slip sleeve 73 is a rubber anti-slip sleeve, and the anti-slip sleeve 73 is added by the rubber anti-slip sleeve 73, so as to effectively play the anti-slip effect and avoid the slipping condition of the student in the process.

The fastening nut 71 is threaded at the upper portion of one side of the fixing plate 8, one end of the fastening nut 71 penetrates into the slot 76 and can be fastened and connected with the adjusting rod 72, the fastening nut 71 is loosened through the arrangement of the pull rod assembly 7, the adjusting rod 72 can slide up and down in the slot 76 for adjustment, so that the length of the pull rod assembly 7 can be adjusted, and then the fastening nut 71 is tightened, so that the adjusted length can be fixed. Therefore, through this design to can conveniently adjust and fix this pull rod assembly 7's length, make this box schoolbag can be applicable to the student's of different heights user demand.

Example 3

Referring to fig. 1 and 4, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the telescopic rod 31 includes a sleeve 311 and a loop bar 312, the sleeve 311 is hinged on one of the connecting rods 4, the loop bar 312 is hinged on the other connecting rod 4, and one end of the loop bar 312 is inserted into the sleeve 311 and is fixedly connected with a limit block 313, the loop bar 312 can slide back and forth in the sleeve 311, and under the action of the limit block 313, the loop bar 312 can be limited, the loop bar 312 can be prevented from sliding out of the sleeve 311 in the back and forth sliding process, so as to enhance the stability of the telescopic motion process between the loop bar 312 and the sleeve 311, and further, the buffering mechanism 3 can play a role with better effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a box schoolbag for primary school student, includes bottom plate (1), surface fixed connection has schoolbag body (6) on bottom plate (1), schoolbag body (6) one side is provided with two braces (5), its characterized in that, the middle part position fixed connection that bottom plate (1) upper surface is close to braces (5) one side has fixed plate (8), and fixed plate (8) are inlayed fixedly in one side of schoolbag body (6), the middle part position of fixed plate (8) upper end is provided with pull rod subassembly (7), the both ends that bottom plate (1) lower surface is close to fixed plate (8) one side are equallyd divide and are articulated respectively have connecting rod (4), and be relative setting between two connecting rod (4), two universal wheel (2) are installed respectively to connecting rod (4) lower extreme is equallyd divide, two be provided with buffer gear (3) between connecting rod (4), bottom plate (1) lower surface opposite side's both ends are equallyd divide respectively fixedly connected with support column (9), buffer gear (3) include telescopic link (31), telescopic link (31) set up two between connecting rod (4), just the both ends of telescopic link (31) are equallyd divide and are do not articulated two the relative one side of connecting rod (4), the outside cover of telescopic link (31) is equipped with spring (32), just spring (32) one end fixed connection is at one of them on connecting rod (4), spring (32) other end fixed connection is another on connecting rod (4).

2. The primary school student box-type schoolbag as claimed in claim 1, wherein the pull rod assembly (7) comprises a slot (76) and a fastening nut (71), the slot (76) is arranged at the middle position of the upper end of the fixing plate (8), an adjusting rod (72) is slidably inserted in the slot (76), the upper end of the adjusting rod (72) extends to the position right above the fixing plate (8) and is in threaded connection with a connecting sleeve (74), two sides of the connecting sleeve (74) are respectively and fixedly connected with a handle (75), the fastening nut (71) is in threaded connection with the upper position of one side of the fixing plate (8) in a penetrating manner, and one end of the fastening nut (71) penetrates into the slot (76) and can be in fastening connection with the adjusting rod (72).

3. The box-type schoolbag for the pupils as claimed in claim 2, wherein the two grips (75) are respectively fixedly sleeved with an anti-slip sleeve (73), and the anti-slip sleeves (73) are rubber anti-slip sleeves.

4. A primary school student's box-type schoolbag according to claim 1, characterized in that the telescopic rod (31) comprises a sleeve (311) and a loop bar (312), the sleeve (311) is hinged on one of the connecting rods (4), the loop bar (312) is hinged on the other connecting rod (4), and one end of the loop bar (312) is inserted in the sleeve (311) and is fixedly connected with a limit block (313).

5. A primary school bag according to claim 1, wherein the lower ends of the two supporting posts (9) are fixedly connected with rubber blocks (10), and the rubber blocks (10) are wedge-shaped structural members.