Backboard structure of schoolbag

Abstract

The utility model relates to the technical field of knapsacks, and discloses a back plate structure of a schoolbag, which comprises a knapsack, a back plate, straps and a waistband, the back plate is inserted into the back of the knapsack, the straps are connected to the tops of the straps, a back support is arranged above the back plate, and a waist support is arranged below the back plate. Compared with the prior art, the backpack has the advantages that the back plate of the backpack is provided with a hard bearing frame specially used for supporting the waist and the back of a human body, and the hard bearing frame and the waist support are installed on the back plate through the connecting rods; the back support and the waist support are provided with the mesh cloth which is in direct contact with a human body, the elastic support is provided for improving the comfort degree, the back support and the waist support are connected through the connecting rod, a gap exists between the back support and the backpack body, air flow is allowed, and the back can be kept cool.

Description

TECHNICAL FIELD

[0001] The utility model relates to a backpack technical field, specifically point to a book bag's backplate structure. BACKGROUND

[0002] The book bag backplate refers to the hard structure for supporting and dispersing the load in the backpack, usually located in the area between the backpack back and the back. The design of the backplate is crucial to improve the support and stability of the backpack.

[0003] Usually, in order to provide sufficient support for the backpack, the backplate is often designed as a flat plate and inserted in the back of the backpack, which can prevent the backpack from collapsing and pressing the internal items. However, when the user carries the backpack containing heavy objects for a long time, the flat backplate cannot conform to the body spine, lumbar spine and body contour, and the muscles around the body spine and lumbar spine need to exert extra force to maintain support, resulting in pain in the bones and muscles in this area. SUMMARY

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is that the common book bag backplate cannot conform to and support the human waist and back, and a book bag backplate structure is provided.

[0006] II. Technical solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a book bag backplate structure, which includes a backpack, a backplate, a shoulder strap and a waist belt, the backplate is inserted into the back of the backpack, the shoulder strap is connected to the top of the shoulder strap, and the backplate is provided with a back support above and a waist support below.

[0008] The top of the back support is provided with a first connecting rod connected to the top of the backplate, and the bottom is provided with a second connecting rod connected to the top of the backplate, and the bottom of the waist support is provided with a third connecting rod connected to the bottom of the backplate.

[0009] Further, the back support is provided with a fixed frame around it, the fixed frame is provided with a first mesh inside, and the top of the fixed frame is provided with a avoiding slot on both sides, which prevents pressing the scapula position of the user's back and facilitates the movement of the arms and shoulders when carrying the product.

[0010] Further, the waist support is provided with a support frame around it, the support frame is provided with a second mesh inside, and the bottom of the support frame is connected to the sixth hinge block.

[0011] Further, the back plate top is provided with a first hinge block, the back support top is provided with a second hinge block, one end of the first connecting rod is hingedly connected with the first hinge block, the other end is hingedly connected with the second hinge block, the back plate bottom is provided with a third hinge block, the back support bottom is provided with a fourth hinge block, one end of the second connecting rod is hingedly connected with the third hinge block, the other end is hingedly connected with the fourth hinge block, the back support and the back plate are connected in a spaced manner, and air flow is allowed to keep cool.

[0012] Further, the back plate bottom is provided with a fifth hinge block, the waist support bottom is provided with a sixth hinge block, one end of the third connecting rod is hingedly connected with the fifth hinge block, and the other end is hingedly connected with the sixth hinge block, and angle adjustment can be performed.

[0013] Three, beneficial effects

[0014] The utility model has the advantages compared with the prior art:

[0015] 1. The back plate of the backpack is provided with a hard support frame specially supporting the waist and back of the human body, and both are installed on the back plate by connecting rods, and position adjustment can be performed to adapt to users of different sizes and prevent waist and back pain caused by long-term heavy load.

[0016] 2. The back support and the waist support are provided with a mesh cloth to directly contact the human body, have elastic support and improve comfort, and since the back support and the waist support are connected by connecting rods and have a certain spacing with the backpack body, air flow is allowed, and the back can be kept cool when carrying. DRAWINGS

[0017] Figure 1 It is a structural schematic view of a back plate structure of a schoolbag.

[0018] Figure 2 It is a structural schematic view of a connecting rod of a back plate structure of a schoolbag.

[0019] Figure 3 It is a structural schematic view of a back support of a back plate structure of a schoolbag.

[0020] Figure 4 It is a structural schematic view of a waist support of a back plate structure of a schoolbag.

[0021] As shown in the figure: 1, backpack, 2, back plate, 3, shoulder strap, 4, back support, 5, waist support, 6, waist belt, 7, first hinge block, 8, second hinge block, 9, first connecting rod, 10, third hinge block, 11, fourth hinge block, 12, second connecting rod, 13, fifth hinge block, 14, sixth hinge block, 15, third connecting rod, 16, fixed frame, 17, first mesh cloth, 18, avoiding groove, 19, support frame, 20, second mesh cloth. DETAILED DESCRIPTION

[0022] The utility model makes further detailed description in combination with the drawings.

[0023] Embodiment one

[0024] In combination with the drawings Figure 1 , the drawings Figure 3 and the drawings Figure 4 A back plate structure of a schoolbag, which comprises a backpack 1, a back plate 2, a shoulder strap 3 and a waistband 6, the back plate 2 is inserted in the back of the backpack 1, the shoulder strap 3 is connected to the top of the shoulder strap 3, and the back plate 2 is provided with a back support 4 above and a waist support 5 below.

[0025] The top of the back support 4 is provided with a first connecting rod 9 connected to the top of the back plate 2, and the bottom is provided with a second connecting rod 12 connected to the top of the bottom of the back plate 2, and the bottom of the waist support 5 is provided with a third connecting rod 15 connected to the bottom of the back plate 2.

[0026] The back support 4 is provided with a fixed frame 16 around, the inside of the fixed frame 16 is provided with a first mesh cloth 17, and the top of the fixed frame 16 is provided with a avoiding groove 18 on both sides.

[0027] The back support 4 is provided with a fixed frame 16 around, the inside of the fixed frame 16 is provided with a first mesh cloth 17, and the top of the fixed frame 16 is provided with a avoiding groove 18 on both sides.

[0028] The waist support 5 is provided with a supporting frame 19 around, the inside of the supporting frame 19 is provided with a second mesh cloth 20, and the bottom of the supporting frame 19 is connected with the sixth hinge block 14.

[0029] The supporting frame 19 is provided with a supporting frame 19 around, the inside of the supporting frame 19 is provided with a second mesh cloth 20, and the bottom of the supporting frame 19 is connected with the sixth hinge block 14.

[0030] Embodiment two

[0031] In combination with the drawings Figure 2 The top of the back plate 2 is provided with a first hinge block 7, the top of the back support 4 is provided with a second hinge block 8, one end of the first connecting rod 9 is hingedly connected with the first hinge block 7, the other end is hingedly connected with the second hinge block 8, the top of the bottom of the back plate 2 is provided with a third hinge block 10, the bottom of the back support 4 is provided with a fourth hinge block 11, one end of the second connecting rod 12 is hingedly connected with the third hinge block 10, and the other end is hingedly connected with the fourth hinge block 11.

[0032] The bottom of the back plate 2 is provided with a fifth hinge block 13, the bottom of the waist support 5 is provided with a sixth hinge block 14, one end of the third connecting rod 15 is hingedly connected with the fifth hinge block 13, and the other end is hingedly connected with the sixth hinge block 14.

[0033] The back support 4 and the waist support 5 are connected with the back plate 2 through connecting rods, and the user can adjust the positions of the back support 4 and the waist support 5 according to the body shape to improve the comfort.

[0034] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments similar to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A backpack backboard structure, comprising a backpack (1), a backboard (2), a shoulder strap (3) and a waist strap (6), the backboard (2) is installed on the back of the backpack (1), the shoulder strap (3) is connected to the top of the backboard (3), the backboard (2) is provided with a back support (4) above and a waist support (5) below, characterized in that: the top of the back support (4) is provided with a first connecting rod (9) connected to the top of the backboard (2), and the bottom is provided with a second connecting rod (12) connected to the top of the backboard (2), the bottom of the waist support (5) is provided with a third connecting rod (15) connected to the bottom of the backboard (2). The back support (4) is provided with a fixed frame (16) around it, the inside of the fixed frame (16) is provided with a first mesh (17), and the top of the fixed frame (16) is provided with a avoiding slot (18) on both sides.

2. The back panel structure of a schoolbag according to claim 1, wherein: The waist support (5) is provided with a support frame (19) around it, the inside of the support frame (19) is provided with a second mesh (20), and the bottom of the support frame (19) is connected with a sixth hinge block (14).

3. The back panel structure of a schoolbag according to claim 1, wherein: The top of the backboard (2) is provided with a first hinge block (7), the top of the back support (4) is provided with a second hinge block (8), one end of the first connecting rod (9) is hingedly connected with the first hinge block (7), the other end is hingedly connected with the second hinge block (8), the top of the backboard (2) is provided with a third hinge block (10), the bottom of the back support (4) is provided with a fourth hinge block (11), one end of the second connecting rod (12) is hingedly connected with the third hinge block (10), the other end is hingedly connected with the fourth hinge block (11).

4. The back panel structure of claim 1, wherein: The bottom of the backboard (2) is provided with a fifth hinge block (13), the bottom of the waist support (5) is provided with a sixth hinge block (14), one end of the third connecting rod (15) is hingedly connected with the fifth hinge block (13), the other end is hingedly connected with the sixth hinge block (14).

5. The back panel structure of claim 1, wherein: ​

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