Backpack structure

Abstract

The utility model relates to the field of knapsacks, in particular to a bearing structure which comprises a knapsack back, shoulder pads and a waist protecting piece, a longitudinal inserting groove is formed in the top of the knapsack back, a longitudinal protecting sleeve is arranged in the middle of the knapsack back, shoulder pad longitudinal protecting sleeves are arranged on the backs of the shoulder pads, a longitudinal fixing groove is formed in the back of the waist protecting piece, and an aluminum strip is arranged on the longitudinal fixing groove. The bottom of the aluminum strip is inserted into the fixing groove of the waist protecting piece, and the top of the aluminum strip upwards penetrates into the shoulder pad longitudinal protecting sleeve of the shoulder pad from the longitudinal protecting sleeve in the middle of the backpack back and upwards penetrates out of the shoulder pad longitudinal protecting sleeve into the longitudinal inserting groove in the top of the backpack back. A bonding structure for adjusting and fixing the shoulder pad on the aluminum strip is arranged between the shoulder pad and the back of the backpack, and a buffering protection pad for buffering and protecting the waist and the back of a human body is arranged in front of the aluminum strip.

Description

TECHNICAL FIELD

[0001] The utility model relates to a backpack field, especially a carrying structure. BACKGROUND

[0002] The carrying structure is part of a backpack (schoolbag), especially a schoolbag for children, which can be used by children of different heights by adjusting the length of the carrying structure. SUMMARY

[0003] The utility model provides a carrying structure which can adjust the shoulder pad and the length of the carrying structure, so as to be used by children of different heights.

[0004] The carrying structure comprises a backpack back, a shoulder pad and a waist pad, wherein the top of the backpack back is provided with a longitudinal slot, the middle part is provided with a longitudinal sheath, the back of the shoulder pad is provided with a shoulder pad longitudinal sheath, the back of the waist pad is provided with a longitudinal fixed slot, an aluminum strip is arranged on the longitudinal fixed slot, the bottom of the aluminum strip is inserted into the fixed slot of the waist pad, the top is inserted into the shoulder pad longitudinal sheath of the shoulder pad from the longitudinal sheath of the middle part of the backpack back, and the top is inserted into the longitudinal slot of the top of the backpack back from the shoulder pad longitudinal sheath, the shoulder pad and the backpack back are provided with a bonding structure for adjusting and fixing the shoulder pad on the aluminum strip, and a buffer pad for buffering and protecting the waist and back of a human body is arranged on the front of the aluminum strip.

[0005] As a preferred scheme of the utility model, the bonding structure is a first sub-magic tape, the first sub-magic tape is longitudinally fixed on the backpack back, and the first magic tape is longitudinally fixed on the shoulder pad.

[0006] As a preferred scheme of the utility model, the shape of the side surface of the aluminum strip is matched with the curve shape of the waist of a human body.

[0007] As a preferred scheme of the utility model, the aluminum strip is arranged in a U shape.

[0008] As a preferred scheme of the utility model, the shoulder pad is arranged in an M shape, two ends of the M-shaped shoulder pad are respectively connected with a shoulder pad strap, a first adjusting buckle is arranged on the shoulder pad strap, the bottom of the backpack back is respectively connected with a backpack strap, and one end of the backpack strap is connected with the first adjusting buckle arranged on the shoulder pad strap.

[0009] As a preferred scheme of the utility model, the waist pad comprises a waist pad body, two wings are extended from the two sides of the waist pad body to make the waist pad into an arc shape, and the fixed slot is located at the back of the waist pad body.

[0010] As a preferred scheme of the utility model, the two wings of the waist support pad body are respectively connected with waist support connecting belts, a second adjusting buckle is arranged on the waist support connecting belt, the second adjusting buckle is fixed on one of the waist support connecting belts, and the other end of the other waist support connecting belt is inserted into the second adjusting buckle.

[0011] As a preferred scheme of the utility model, a second magic tape is arranged between the waist support pad body and the backpack back, the second magic tape is fixed on the backpack back in the longitudinal direction, and the second magic tape is fixed on the waist support pad body in the longitudinal direction.

[0012] As a preferred scheme of the utility model, the buffer support pad is a rectangular buffer support pad, the bottom is connected with the waist support pad through a third magic tape, the top is upwardly protruded to form a top protruding connecting lug, the two sides of the top are leftwardly and rightwardly protruded to form left and right protruding connecting lugs, the top of the backpack back is provided with a top clamping groove for clamping the top protruding connecting lug, and the left and right sides of the backpack back are provided with left and right clamping grooves for clamping the left and right protruding connecting lugs.

[0013] As a preferred scheme of the utility model, the third magic tape is fixed on the front of the waist support pad in the longitudinal direction, and the third magic tape is fixed on the back of the buffer support pad in the longitudinal direction.

[0014] The backpack structure, the shoulder pad is adjusted and moved in the up-down direction on the aluminum strip through the longitudinal sleeve of the shoulder pad, different heights of the shoulder pad are adjusted, and then the shoulder pad is fixed on the backpack back through the adhesive structure, so that the shoulder pad is suitable for children of different heights; in addition, the shoulder pad is sleeved on the aluminum strip through the longitudinal sleeve of the shoulder pad, and then the shoulder pad is fixed on the backpack back through the adhesive structure, so that the shoulder pad is more convenient to disassemble and replace; in addition, the front of the aluminum strip is provided with the buffer support pad, the human waist and back are buffered and protected through the buffer support pad, and the comfort in the carrying process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of disassembling the buffer support pad of the backpack structure of the utility model;

[0016] Figure 2 It is a schematic view of the backpack structure of the utility model;

[0017] Figure 3 It is a schematic view of taking out the top protruding connecting lug and the left and right protruding connecting lug of the buffer support pad of the backpack structure from the clamping grooves of the backpack back;

[0018] Figure 4 It is a schematic view of adjusting the shoulder pad downwardly;

[0019] Figure 5 It is a schematic view of adjusting the shoulder pad downwardly and installing the buffer support pad;

[0020] Figure 6Front view of shoulder pad

[0021] Figure 7 Back view of shoulder pad

[0022] Figure 8 Front view of waist pad

[0023] Figure 9 Back view of waist pad

[0024] Figure 10 Back view of shoulder pad without downward adjustment

[0025] Figure 11 Back view of shoulder pad with downward adjustment

[0026] Figure 12 Back view of backpack

[0027] Figure 13 Side view of aluminum strip

[0028] Figure 14 Top view of aluminum strip DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the present application, it needs to be explained that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications also change accordingly.

[0031] A carrying structure, such as Figure 1 - Figure 12As shown, it comprises a backpack back 1, a shoulder pad 2, a waist pad 3, the top of the backpack back is provided with a longitudinal slot 4, the middle part is provided with a longitudinal sleeve 5, the back of the shoulder pad is provided with a shoulder pad longitudinal sleeve 6, the back of the waist pad is provided with a longitudinal fixing slot 7, an aluminum strip 8 is arranged on the longitudinal fixing slot, the bottom of the aluminum strip is inserted into the fixing slot of the waist pad, the top is inserted into the shoulder pad longitudinal sleeve from the middle part of the backpack back, and the top is inserted into the longitudinal slot of the top of the backpack back from the shoulder pad longitudinal sleeve, the shoulder pad and the backpack back are provided with a shoulder pad adjusting and fixing adhesive structure on the aluminum strip, and a buffer pad 9 for buffering and protecting the human waist and back is arranged on the front of the aluminum strip.

[0032] The longitudinal slot and the fixing slot are formed by a book bag cloth, one end is reserved for insertion, and the other end is sealed. The longitudinal slot is sealed at the upper end, and the fixing slot of the waist pad is sealed at the bottom. Protective sleeves are arranged on both ends of the aluminum strip. The protective sleeves can be made of thin cotton or woven mesh bags or cotton cloth. The protective sleeves on both ends of the aluminum strip can well protect the longitudinal slot of the top of the backpack back and the fixing slot of the waist pad.

[0033] The longitudinal sleeve and the shoulder pad longitudinal sleeve can be formed by a book bag cloth to form a ring-shaped through hole, and are fixed on the backpack back and the shoulder pad respectively by sewing with a needle and thread.

[0034] The aluminum strip is provided with two strips, and two longitudinal slots, fixing slots, longitudinal sleeves and shoulder pad longitudinal sleeves corresponding to the two aluminum strips are provided respectively to cooperate with the installation of each aluminum strip. Figure 13 As shown, the side surface shape of the aluminum strip matches the curve shape of the human waist. The shape is a curved curve, which matches the curve of the human waist, thereby improving the comfort during carrying. In addition, as shown, Figure 14 As shown, the aluminum strip is arranged as a U-shaped aluminum strip from the top view, the protruding part of the U-shaped aluminum strip faces the buffer pad, the opening faces the backpack back, and the flanges are arranged on both sides of the opening of the U-shaped aluminum strip to protect the backpack back.

[0035] In another embodiment, the adhesive structure is a first sub-magic tape, and a first sub-magic tape 10 is fixed longitudinally on the backpack back, and a first mother magic tape 11 is fixed longitudinally on the shoulder pad. The adhesive surface of the first sub-magic tape 10 matches the adhesive surface of the first mother magic tape 11, the back of the adhesive surface of the first sub-magic tape 10 is fixed on the backpack back by sewing with a needle and thread, and is in a longitudinal strip shape, and the length is longer than that of the first mother magic tape 11, as shown, Figure 12 As shown, the first sub-magic tape 10 extends from the upper section to between the middle section and the lower section of the backpack back, and a scale is arranged on one side of the first sub-magic tape, so that the shoulder pad can be adjusted to the corresponding height, which is convenient for children of different heights; the back of the adhesive surface of the first mother magic tape 11 is fixed on the shoulder pad by sewing with a needle and thread.

[0036] In another embodiment, as shown,Figure 6 and Figure 7 As shown in the figure, the shoulder pad is provided as an "M" shaped shoulder pad, two ends of the "M" shaped shoulder pad are respectively connected with the shoulder pad straps 12, the first adjusting buckle 13 is installed on the shoulder pad strap, the bottom of the backpack back is respectively connected with the backpack straps, one end of the backpack strap is connected with the first adjusting buckle penetrating into the shoulder pad strap, the length of the shoulder pad strap can be adjusted through the first adjusting buckle, further facilitating the adaptation to different child heights. In addition, the front protective belt is further connected between the left and right shoulder pad straps, which can further tighten the backpack on the child.

[0037] In another embodiment, the waist pad 3 includes a waist pad body 31, two wings 32 extending from both sides of the waist pad body to make the waist pad arc-shaped, and a fixing groove located at the back of the waist pad body. A second hook-and-loop fastener is provided between the waist pad body and the backpack back, the second hook 16 is fixed longitudinally on the backpack back, and the second loop 17 is fixed longitudinally on the waist pad body. The adhesive surfaces of the second hook and the second loop are matched, the back of the adhesive surface of the second hook is fixed on the backpack back by sewing, and the back of the adhesive surface of the second loop is fixed on the waist pad body by sewing. The second hook-and-loop fastener further strengthens the fixed connection between the waist pad and the backpack back, and also facilitates the disassembly of the waist pad.

[0038] The two wings of the waist pad body are respectively connected with the waist connecting belts 14, the second adjusting buckle 15 is installed on the waist connecting belt, the second adjusting buckle is fixed on one of the waist connecting belts, and the other end of the other waist connecting belt penetrates into the second adjusting buckle. The length of the waist connecting belt can be adjusted through the second adjusting buckle, further facilitating the adaptation to different child heights.

[0039] In another embodiment, the buffer pad is a rectangular buffer pad, the bottom of the buffer pad is connected with the waist pad through a third hook-and-loop fastener, the third hook 22 of the third hook-and-loop fastener is fixed longitudinally on the front of the waist pad, and the third loop 23 is fixed longitudinally on the back of the buffer pad. The adhesive surfaces of the third hook and the third loop are matched, the back of the adhesive surface of the third hook is fixed on the waist pad by sewing, and the back of the adhesive surface of the third loop is fixed on the buffer pad by sewing. The third hook-and-loop fastener further strengthens the fixed connection between the bottom of the buffer pad and the waist pad, and also facilitates the disassembly of the buffer pad. The third hook-and-loop fastener is provided with three pieces, further strengthening the fixed connection between the bottom of the buffer pad and the waist pad. In addition, the magic tape is also provided at the upper end of the buffer pad extending between the middle segment and the lower segment, and the front of the shoulder pad is also provided with the middle part of the magic tape of the buffer pad extending between the middle segment and the lower segment, which can strengthen the fixation of the upper segment of the buffer pad. In addition, the magic tape at the upper end of the buffer pad extending between the middle segment and the lower segment is also matched and bonded together with the first hook, which can firmly fix the shoulder pad.

[0040] The top of the buffer pad is upwardly convex to form a top convex connecting lug 18, and the two sides of the top are leftwardly and rightwardly convex to form left and right convex connecting lugs 19, and the top of the backpack back is provided with a top clamping groove 20 for clamping the top convex connecting lug, and the left and right sides of the backpack back are provided with left and right clamping grooves 21 for clamping the left and right convex connecting lugs. The top convex connecting lug and the left and right convex connecting lugs of the top of the buffer pad are clamped into the top clamping groove and the left and right clamping grooves of the backpack back respectively, so that the fixing effect of the buffer pad is further enhanced.

[0041] The above embodiments are only used to illustrate the detailed schemes of the present application, and the present application is not limited to the above detailed schemes, that is, it does not mean that the present application must rely on the above detailed schemes to be implemented. It should be understood by those skilled in the art that any improvement on the present application, equivalent replacement of each raw material of the present application product, addition of auxiliary ingredients, selection of specific modes, etc. fall within the protection scope and disclosure scope of the present application.

Claims

1. A backpack structure comprising a backpack back (1), a shoulder pad (2), a waist pad (3), characterized in that, The back of the backpack is provided with a longitudinal slot (4) at the top and a longitudinal sheath (5) at the middle. The back of the shoulder pad is provided with a shoulder pad longitudinal sheath (6). The back of the waist pad is provided with a longitudinal fixing slot (7) which is provided with an aluminum strip (8) at the top. The bottom of the aluminum strip is inserted into the fixing slot of the waist pad. The top of the aluminum strip is inserted into the shoulder pad longitudinal sheath from the middle of the back of the backpack and is pulled out of the shoulder pad longitudinal sheath to the longitudinal slot at the top of the back of the backpack. The shoulder pad and the back of the backpack are provided with an adhesive structure for adjusting the fixing of the shoulder pad on the aluminum strip. A buffer pad (9) is installed in front of the aluminum strip for buffering and protecting the human waist and back.

2. The carrying structure of claim 1, wherein, The adhesive structure is a first sub-magic tape. The first sub-magic tape (10) is longitudinally fixed on the back of the backpack. The first mother magic tape (11) is longitudinally fixed on the shoulder pad.

3. The carrying structure of claim 1, wherein, The side shape of the aluminum strip is matched with the curve shape of the human waist.

4. The carrying structure of claim 1, wherein, The aluminum strip is in the shape of a U.

5. The carrying structure of claim 1, wherein, The shoulder pad is in the shape of "M". The two ends of the "M" shaped shoulder pad are respectively connected with a shoulder pad strap (12). The first adjusting buckle (13) is installed on the shoulder pad strap. The bottom of the back of the backpack is respectively connected with a backpack strap. One end of the backpack strap is inserted into the first adjusting buckle on the shoulder pad strap.

6. The carrying structure of claim 1, wherein, The waist pad (3) comprises a waist pad body (31). Two wings (32) are extended from the two sides of the waist pad body to make the waist pad arc-shaped. The fixing slot is located at the back of the waist pad body.

7. The carrying structure of claim 6, wherein, The two wings of the waist pad body are respectively connected with a waist connecting belt (14). The second adjusting buckle (15) is installed on the waist connecting belt. The second adjusting buckle is fixed on one of the waist connecting belts. The other end of the other waist connecting belt is inserted into the second adjusting buckle.

8. The carrying structure of claim 6, wherein, The second sub-magic tape is longitudinally fixed on the back of the backpack. The second mother magic tape (17) is longitudinally fixed on the waist pad body.

9. The carrying structure of claim 1, wherein, The buffer pad is a rectangular buffer pad. The bottom of the buffer pad is connected with the waist pad through a third sub-magic tape. The top of the buffer pad is protruded upward to form a top protruding connecting ear (18). The two sides of the top of the buffer pad are protruded left and right to form left and right protruding connecting ears (19). The top of the back of the backpack is provided with a top clamping slot (20) for clamping the top protruding connecting ear. The left and right sides of the back of the backpack are provided with left and right clamping slots (21) for clamping the left and right protruding connecting ears.

10. The carrying structure of claim 9, wherein, The third sub-magic tape is longitudinally fixed on the front of the waist pad. The third mother magic tape (23) is longitudinally fixed on the back of the buffer pad.

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