CN216467866U

CN216467866U - Foldable schoolbag trailer capable of being used as reading rack

Info

Publication number: CN216467866U
Application number: CN202121939027.9U
Authority: CN
Inventors: 司淑文; 司雅文; 司怀国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-05-10
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a folding schoolbag trailer capable of being used as a reading rack, which comprises a supporting plate, two cylindrical columns fixed on the top edges of the supporting plate, connecting rib plates fixed at the top ends of the two cylindrical columns, a schoolbag bearing plate arranged on the front surface of the supporting plate, wherein the schoolbag bearing plate is connected to the top edges of the supporting plate through a rotating shaft, a folding cavity is arranged on the bottom surface of the supporting plate, wheel seats are connected to two sides of the folding cavity through folding shafts, wheels are connected to the wheel seats through shaft rods, a telescopic rod is further arranged, the bottom end of the telescopic rod is inserted into the cylindrical columns in a plug-in manner, a handle is fixed at the top end of the telescopic rod, a T-shaped through groove is formed in the middle of the schoolbag bearing plate, a T-shaped supporting plate is arranged in the T-shaped through groove, and the top end of a vertical rod of the T-shaped supporting plate is connected with the vertical part of the T-shaped through groove through a rotating shaft. The structure of the utility model is reasonable, the schoolbag bearing board can rotate by taking the rotating shaft as the center, and the wheel seat can also be folded, so that the overall volume is smaller after folding, the applicability is strong, and the practicability is good.

Description

Foldable schoolbag trailer capable of being used as reading rack

Technical Field

The utility model belongs to the technical field of schoolbag trailers, and particularly relates to a foldable schoolbag trailer capable of being used as a reading frame.

Background

Schoolbag trailer is a structure that is used for placing the schoolbag, and drag and move ahead, thereby do not need the student to carry on one's shoulder schoolbag again, prior art's schoolbag trailer owner bears the frame by telescopic link and schoolbag and constitutes, its schoolbag bears the frame and is many fixed knot structure and perpendicular mutually with the telescopic link, it can satisfy the user demand of general condition though, but its holistic volume is great, the volume is also great after the shrink simultaneously, when in the classroom, can not put into the drawer with the trailer, only can put in the passageway, thereby bring certain potential safety hazard for the classroom, simultaneously its function is comparatively limited, so suitability and practicality receive the restriction.

Disclosure of Invention

The utility model aims to provide a folding schoolbag trailer which can be used as a reading frame, and has reasonable structure arrangement and strong applicability.

The technical scheme for realizing the purpose of the utility model is a folding schoolbag trailer capable of being used as a reading frame, which comprises a supporting plate, two cylindrical columns fixed on the top edge of the supporting plate, connecting rib plates fixed on the top ends of the two cylindrical columns, a schoolbag bearing plate arranged on the front surface of the supporting plate, a folding cavity arranged on the bottom surface of the supporting plate, wheel seats connected with two sides of the folding cavity through folding shafts, wheels connected with the wheel seats through shaft rods, the shaft rods being vertical to the folding shaft rods, the wheel seats being capable of rotating and folding into the folding cavity by taking the folding shafts as the center, and a telescopic rod arranged on the bottom surface of the supporting plate, wherein the bottom end of the telescopic rod is inserted and clamped in the cylindrical columns, a handle fixed on the top end of the telescopic rod, and when the telescopic rod is contracted, the handle is attached to the top surface of the connecting rib plate, a T-shaped through groove is formed in the middle of the schoolbag bearing plate, a T-shaped supporting plate is arranged in the T-shaped through groove, and the top end of a vertical rod of the T-shaped supporting plate is connected with the vertical portion of the T-shaped through groove through a rotating shaft.

The bottom surface middle part of connecting the gusset is fixed with the screens pinion rack, the screens pinion rack with the drum post parallels, when T shape extension board used the axis of rotation to rotate as the center, the bottom surface of T shape extension board supported to press and carries on spacingly in the tooth's socket of screens pinion rack.

The schoolbag loading board is characterized in that a protrusion is arranged on the top surface of the schoolbag loading board, the bottom surface of the schoolbag loading board is a plane, slotted holes are formed in two ends of the bottom edge of the schoolbag loading board, a U-shaped supporting rod used for supporting the bottom edge of a book is further arranged on the bottom edge of the schoolbag loading board, and one end of the U-shaped supporting rod is inserted and clamped in the slotted holes.

The schoolbag bearing plate is characterized in that an n-shaped avoiding groove is formed in the bottom surface of the schoolbag bearing plate, and the distance between the n-shaped avoiding groove and the groove hole is smaller than the width of the U-shaped supporting rod.

The schoolbag bearing plate is characterized in that the width of the schoolbag bearing plate is the same as the length of the cylinder column, a buckling groove is integrally formed at the edge of the top surface of the schoolbag bearing plate, and the schoolbag bearing plate is buckled and pressed on the cylinder column through the buckling groove to be limited when rotating.

The utility model has the positive effects that: the structure of the utility model is reasonably arranged, the schoolbag bearing plate can rotate by taking the rotating shaft as the center, and the wheel seat can also be folded, so that the overall volume is smaller after being folded, the schoolbag bearing plate can be directly placed in a drawer of a desk, the potential safety hazard in a classroom is eliminated, in addition, the schoolbag bearing plate is provided with the T-shaped through groove, the T-shaped support plate is matched with the T-shaped support plate, when the schoolbag bearing plate is used as a trailer, the T-shaped support plate can downwards rotate to support the schoolbag bearing plate, the use is stable and reliable, the burden of children is reduced, the applicability is strong, and the practicability is good; but it still is provided with the screens pinion rack, when using, can place the backup pad as the bottom plate, adjusts the angle of schoolbag loading board simultaneously to support the bottom surface of T shape extension board and press in the screens pinion rack and support, thereby can use as reading the support, when using, place the bottom surface at the schoolbag loading board with books, and support books through the U-shaped, conveniently read, be favorable to protecting children's cervical vertebra, cultivate good reading posture, the suitability is strong.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic view of the folded structure of the present invention;

fig. 3 is a schematic structural view of the schoolbag bearing board as a reading support.

Detailed Description

(example 1)

Fig. 1 to 3 show an embodiment of the present invention, wherein fig. 1 is a schematic structural view of the present invention in use; FIG. 2 is a schematic view of the folded structure of the present invention; fig. 3 is a schematic structural view of the schoolbag bearing board as a reading support.

Referring to fig. 1 to 3, a foldable schoolbag trailer capable of being used as a reading stand comprises a support plate 1 and two cylindrical columns 2 fixed on the top edge of the support plate 1, wherein the support plate is a plastic structure body in the embodiment, the size of the support plate can be designed according to needs, and the width of the support plate in the embodiment is smaller than the width of a book which is unfolded, so that the support plate can be directly placed in a desk drawer after being folded; thereby reducing the potential safety hazard in the classroom.

The top of two cylinder posts 2 is fixed with connection gusset 3, the front of backup pad still is provided with schoolbag loading board 4, and in this embodiment, the schoolbag loading board is the plastic construction body, the width of schoolbag loading board is the same with the length of cylinder post, just the top surface border integrated into one piece of schoolbag loading board has withholding groove 5, the schoolbag loading board carries on spacingly through withholding groove withholding on the cylinder post when rotating.

By adopting the structure, when the schoolbag bearing plate is unfolded, the schoolbag bearing plate and the supporting plate are positioned on the same plane, and meanwhile, the schoolbag bearing plate cannot cause too large area.

The schoolbag bearing board 4 is connected to the top edge of the supporting board 1 through a rotating shaft 6, a folding cavity is arranged on the bottom surface of the supporting board 1, the folding cavity is not shown, the structure is a conventional structure in the prior art and is mainly used for placing a folded wheel seat, two sides of the folding cavity are connected with the wheel seat 7 through folding shafts, the wheel seat is connected with a wheel 8 through a shaft rod, the shaft rod is vertical to the folding shaft rod, the wheel seat can be rotated and folded into the folding cavity by taking the folding shaft as a center, and the wheel is synchronously folded into the folding cavity;

in this embodiment, can fold into folding intracavity with the wheel seat together with the wheel, can not influence the use at ordinary times promptly, also can fold when not using, reduce the influence that the wheel was placed, reduced the volume after folding, be favorable to placing.

Still be provided with telescopic link 9, the telescopic link is prior art's conventional structure in this embodiment, only uses simply, in this embodiment simultaneously, increases the pull rod interval, is favorable to reducing children's backbone and twists reverse, improves use comfort, the bottom card of telescopic link is in the cylinder post, the top of telescopic link is fixed with handle 10, the telescopic link is when the shrink, the handle is attached at the top surface of connecting the gusset, T shape logical groove 11 has been seted up at the middle part of schoolbag loading board, T shape logical inslot is provided with T shape extension board 12, be connected through the axis of rotation between the montant top of T shape extension board and the vertical portion that T shape led to the groove.

In this embodiment, it adopts T shape logical groove to T shape extension board can rotate downwards and support, also can rotate to another direction simultaneously and go on, with the purpose that realizes trailer and reading support.

The bottom surface middle part of connecting the gusset is fixed with screens pinion rack 13, screens pinion rack with the drum post parallels, when T shape extension board used the axis of rotation to rotate as the center, the bottom surface of T shape extension board supported to press and carries on spacingly in the tooth's socket of screens pinion rack.

The schoolbag loading board is characterized in that a protrusion 17 is arranged on the top surface of the schoolbag loading board, the bottom surface of the schoolbag loading board is a plane, slotted holes 14 are formed in two ends of the bottom edge of the schoolbag loading board, a U-shaped supporting rod 15 used for supporting the bottom edge of a book is further arranged on the bottom edge of the schoolbag loading board, and one end of the U-shaped supporting rod is inserted and clamped in the slotted holes.

In this embodiment, adopt this structure to when as reading the support, can expand books and place the bottom surface at the schoolbag loading board, through the centre gripping of U-shaped branch both sides at the base of books simultaneously, conveniently read, also can protect children's cervical vertebra simultaneously, cultivate good reading posture.

The bottom surface of the schoolbag bearing plate is provided with an n-shaped avoiding groove 16, and the distance between the n-shaped avoiding groove and the groove hole is smaller than the width of the U-shaped supporting rod.

The structure of the utility model is reasonably arranged, the schoolbag bearing plate can rotate by taking the rotating shaft as the center, and the wheel seat can also be folded, so that the overall volume is smaller after being folded, the schoolbag bearing plate can be directly placed in a drawer of a desk, the potential safety hazard in a classroom is eliminated, in addition, the schoolbag bearing plate is provided with the T-shaped through groove, the T-shaped support plate is matched with the T-shaped support plate, when the schoolbag bearing plate is used as a trailer, the T-shaped support plate can downwards rotate to support the schoolbag bearing plate, the use is stable and reliable, the burden of children is reduced, the applicability is strong, and the practicability is good; but it still is provided with the screens pinion rack, when using, can place the backup pad as the bottom plate, adjusts the angle of schoolbag loading board simultaneously to support the bottom surface of T shape extension board and press in the screens pinion rack and support, thereby can use as reading the support, when using, place the bottom surface at the schoolbag loading board with books, and support books through the U-shaped, conveniently read, be favorable to protecting children's cervical vertebra, cultivate good reading posture, the suitability is strong.

The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification can also be obtained directly by processing according to the common general knowledge of the prior art without any doubt, and the connection mode of the parts adopts the conventional means matured in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. The utility model provides a can regard as folding schoolbag trailer of reading frame, includes the backup pad, fixes two cylinder posts on the backup pad topside, the top of two cylinder posts is fixed with connection gusset, its characterized in that: the front surface of the supporting plate is also provided with a schoolbag bearing plate which is connected on the top edge of the supporting plate through a rotating shaft, the bottom surface of the supporting plate is provided with a folding cavity, two sides of the folding cavity are connected with wheel seats through folding shafts, the wheel seat is connected with wheels through a shaft lever, the shaft lever is vertical to the folding shaft lever, the wheel seat can be folded into the folding cavity in a rotating way by taking the folding shaft as a center, and the wheels are synchronously folded in the cavity, a telescopic rod is also arranged, the bottom end of the telescopic rod is inserted and clamped in the cylindrical column, a handle is fixed at the top end of the telescopic rod, when the telescopic rod is contracted, the handle is attached to the top surface of the connecting rib plate, a T-shaped through groove is arranged in the middle of the schoolbag bearing plate, a T-shaped support plate is arranged in the T-shaped through groove, the top end of the vertical rod of the T-shaped support plate is connected with the vertical part of the T-shaped through groove through a rotating shaft.

2. A foldable school bag trailer usable as a reading stand, as claimed in claim 1, wherein: the bottom surface middle part of connecting the gusset is fixed with the screens pinion rack, the screens pinion rack with the drum post parallels, when T shape extension board used the axis of rotation to rotate as the center, the bottom surface of T shape extension board supported to press and carries on spacingly in the tooth's socket of screens pinion rack.

3. A foldable school bag trailer usable as a reading stand, as claimed in claim 2, wherein: the schoolbag loading board is characterized in that a protrusion is arranged on the top surface of the schoolbag loading board, the bottom surface of the schoolbag loading board is a plane, slotted holes are formed in two ends of the bottom edge of the schoolbag loading board, a U-shaped supporting rod used for supporting the bottom edge of a book is further arranged on the bottom edge of the schoolbag loading board, and one end of the U-shaped supporting rod is inserted and clamped in the slotted holes.

4. A foldable school bag trailer usable as a reading stand, as claimed in claim 3, wherein: the schoolbag bearing plate is characterized in that an n-shaped avoiding groove is formed in the bottom surface of the schoolbag bearing plate, and the distance between the n-shaped avoiding groove and the groove hole is smaller than the width of the U-shaped supporting rod.

5. A folding schoolbag trailer as claimed in any one of claims 1 to 4, wherein: the schoolbag bearing plate is characterized in that the width of the schoolbag bearing plate is the same as the length of the cylinder column, a buckling groove is integrally formed at the edge of the top surface of the schoolbag bearing plate, and the schoolbag bearing plate is buckled and pressed on the cylinder column through the buckling groove to be limited when rotating.