Children back frame capable of conveniently adjusting height of carrying shoulder straps

Abstract

The utility model belongs to the field of back frames for children, and particularly relates to a back frame for children, which is convenient for adjusting the height of carrying shoulder straps. Comprising a bearing part, a bearing part and a waist protection part which are sequentially connected, the bearing part comprises a bearing back plate and a bearing shoulder strap adjusting mechanism capable of vertically adjusting the position relative to the bearing back plate, the bearing shoulder strap adjusting mechanism comprises a positioning strap and a connecting part movably fixed to the positioning strap through a buckle, and the connecting part is connected with one end of a bearing shoulder strap; the buckle is positioned at the front end of the bearing back plate; one end of the bearing shoulder strap, the connecting part and the buckle can vertically slide along the positioning strap at the same time; a lateral supporting part is connected between the bearing part and the bearing part, and the lateral supporting part and the bearing part are movably connected through a first adjusting mechanism. According to the utility model, the adjusting belt cannot be moved and tightened by mistake when being stressed in use; the range of adjusting the height of the carrying shoulder straps is large; the bearing bottom pocket and the upper end of the bearing shoulder strap can be adjusted respectively, and the flexibility is high.

Description

Technical Field

[0001] The utility model belongs to the field of children's backpacks, and in particular relates to a children's backpack with convenient adjustment of the height of the shoulder straps. Background Art

[0002] In the prior art child carriers, the height of the shoulder straps is usually adjusted on the back of the carrying part, which is inconvenient to operate. If buckles are used to adjust the height of the shoulder straps, the buckles may not be fastened tightly during use and may easily loosen when subjected to force, causing the shoulder straps to accidentally slip off. There is also a problem that the range of height adjustment of the shoulder straps is small (for example, the adjustment range is only less than 10 cm in height). The lateral support parts of the load-bearing part of the child carrier are necessary to ensure the safety of the child. Usually, transverse adjustment buckles are provided next to the lateral support parts to complete the locking. However, the transverse adjustment buckles are prone to cause the adjustment belts to move or tighten incorrectly when subjected to force. Since the outer side of the lateral support parts is wrapped with materials such as cushions, the cushions are squeezed when the adjustment belts are tightened, thereby reducing the child's activity space.

[0003] In the prior art, child carriers usually have only one shoulder strap adjustment buckle on the load-bearing portion, and the shoulder strap adjustment can only be completed on the front side or the rear side of the load-bearing portion. It is impossible to adjust the load-bearing bottom pocket and the upper end of the shoulder strap separately, which is insufficient in flexibility and reduces the user's comfort in actual use. Utility Model Content

[0004] The utility model aims to provide a child backpack with convenient height adjustment of shoulder straps.

[0005] In order to achieve the above-mentioned objectives, the technical solution adopted by the present invention is as follows: a child carrier for conveniently adjusting the height of the shoulder straps, comprising a load-bearing part, a carrying part and a waist protection part connected in sequence, the carrying part comprising a carrying back plate, a shoulder strap adjustment mechanism that can vertically adjust the position relative to the carrying back plate, the shoulder strap adjustment mechanism comprising a positioning belt, a connecting part that is movably fixed to the positioning belt by a buckle, the connecting part being connected to one end of the shoulder strap; the buckle is located at the front end of the carrying back plate; one end of the shoulder strap, the connecting part and the buckle can slide vertically along the positioning belt at the same time; a lateral support part is connected between the load-bearing part and the carrying part, and the lateral support part and the carrying part are movably connected to the back part through a first adjustment mechanism, the first adjustment mechanism comprising a first locking belt consisting of a first adjusting belt section and a first adjusting belt section, and a first adjustment buckle for locking the first locking belt, the first adjusting belt section and the first adjusting belt section are vertically arranged or basically vertically arranged.

[0006] In a preferred embodiment, the backpack backboard is a frame-type structure with a hollow interior; an upper fixing sleeve and a lower fixing sleeve are respectively provided on the upper and lower ends of the backpack backboard.

[0007] Further, the upper end of the positioning belt is fixed to the upper fixing sleeve, and the lower end of the positioning belt is tightened through the third locking mechanism; the knapsack shoulder belt adjusting mechanism further comprises a U-shaped steel wire which is movably connected to the connecting part; the U-shaped steel wire comprises two vertical wires which are parallel to each other and a horizontal wire which is connected to the vertical wires; the connecting part is limitingly connected to the upper end of the vertical wire; and the lower end of the vertical wire is limitingly connected to the lower fixing sleeve through a limiting sleeve.

[0008] In a preferred embodiment, the waist protection part is fixedly arranged at the front side of the lower end of the knapsack back plate.

[0009] Further, the carrying part is arranged at the rear side of the knapsack back plate, and the carrying part comprises a carrying bottom pocket which is connected to the rear side of the knapsack back plate, a cushion which is connected to the carrying bottom pocket, a carrying shoulder belt which is movably connected to the cushion through a double adjusting buckle at one end and movably connected to the rear side of the carrying back plate through a fifth adjusting buckle and a fifth adjusting belt at the other end, and the lateral support part is movably connected to the connecting part through the first adjusting mechanism.

[0010] In a preferred embodiment, the buckle comprises a buckle fixing part which is sleeved on the positioning belt, a buckle rotating part which can be rotatably opened, and a buckle rotating shaft which is connected between the buckle fixing part and the buckle rotating part; when the buckle is in an open state, the buckle fixing part and the buckle rotating part are perpendicular to each other or substantially perpendicular to each other; when the buckle is in a buckled state, the buckle fixing part and the buckle rotating part are parallel to each other or substantially parallel to each other, and the outer edge of the buckle rotating part is located inside the buckle fixing part.

[0011] Further, the other end of the knapsack shoulder belt is fixed to the rear side of the lower fixing sleeve; and the rear side of the carrying part is connected to a support frame.

[0012] In a preferred embodiment, the outer side of the lower fixing sleeve is further provided with an openable bottom pocket, and the bottom pocket is tightened and opened through the second adjusting mechanism.

[0013] Further, the double adjusting buckle comprises an adjusting buckle slot and two adjusting buckle protrusions; the adjusting buckle slot comprises two insertion openings; and the two adjusting buckle protrusions can be respectively inserted into the two insertion openings to complete locking.

[0014] In a preferred embodiment, the vertical position of the knapsack shoulder belt which can be adjusted relative to the knapsack back plate refers to a position adjustment of 10-35 cm in height relative to the knapsack back plate.

[0015] The utility model discloses the beneficial effect lies in:

[0016] The vertical arrangement mode does not cause the misadjustment and mis-tightening of the adjusting belt when force is applied, thereby preventing the lateral support part from being squeezed and ensuring the larger movement space of the child in the carrying part;

[0017] The utility model discloses the adjusting knapsack shoulder belt height range is bigger, can better adapt to different height, the user of shape.

[0018] By double adjusting buckle and fifth adjusting buckle etc., the adjustment of the carrying bottom pocket and the upper end of the carrying shoulder strap can be respectively completed, the flexibility is high, and the use comfort of users is improved.

[0019] The buckle structure is adopted on the front of the carrying part, and other structures such as the positioning belt are combined to realize height adjustment of the carrying shoulder strap, compared with the back adjustment mode, the operation is more convenient, and the special buckle structure is tightly buckled, is not easy to loosen, and therefore the locking is more firm. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure schematic diagram of the utility model;

[0021] Figure 2 is the overall structure schematic diagram of the utility model;

[0022] Figure 3 is the overall structure front view schematic diagram of the utility model;

[0023] Figure 4 is the back view of the carrying part;

[0024] Figure 5 is the U-shaped steel wire schematic diagram;

[0025] Figure 6 is the adhesive tape and waist support zipper opening schematic diagram;

[0026] Figure 7 is the carrying shoulder strap adjustment mode schematic diagram;

[0027] Figure 8 is the buckle schematic diagram;

[0028] Meaning of reference signs in the drawing:

[0029] 1-bearing part, 2-back part, 3-waist protection part, 4-support frame, 11-lateral support part, 12-adhesive strip, 13-bearing back plate, 14-upper fixing sleeve, 15-lower fixing sleeve, 20-back plate, 21-back shoulder strap, 22-U-shaped steel wire, 23-positioning belt, 24-buckle, 25-connecting part, 26-second adjustment mechanism, 27-third adjustment mechanism, 28-bottom pocket, 29-limiting sleeve, 30-connection, 31-waist zipper opening, 32-connecting belt, 33-pad , 35-bearing shoulder strap adjustment belt, 36-bearing shoulder strap, 37-fifth adjustment belt, 38-fifth adjustment buckle, 39-bearing bottom pocket, 121-first adjustment belt section, 122-first adjustment belt section two, 123-first adjustment buckle, 221-vertical wire, 222-horizontal wire, 231-upper end of positioning belt, 241-buckle fixing part, 242-buckle rotating shaft, 243-buckle rotating part, 311-waist guard body, 312-waist belt adjustment buckle, 341-adjustment buckle protrusion, 342-adjustment buckle slot. DETAILED DESCRIPTION

[0030] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] like Figures 1-8 As shown, a child carrier with convenient adjustment of the shoulder strap height comprises a load-bearing portion 1, a carrying portion 2 and a waist protection portion 3 connected in sequence, the carrying portion comprises a carrying back plate 20, a carrying strap adjustment mechanism capable of vertically adjusting the position relative to the carrying back plate (which is stepless adjustment), the carrying strap adjustment mechanism comprising a positioning belt 23, a connecting portion 25 movably fixed to the positioning belt by a buckle 24, the connecting portion being connected to one end of the carrying shoulder strap 21 (for example, the upper end of the carrying shoulder strap is fixed to the upper end of the connecting portion 25); the buckle is located at the front end of the carrying back plate; one end of the carrying shoulder strap, the connecting portion and the buckle can simultaneously slide vertically along the positioning belt. ; A lateral supporting part 11 is connected between the load-bearing part and the back-bearing part, and the lateral supporting part and the back-bearing part are movably connected through a first adjusting mechanism. The first adjusting mechanism includes a first adjusting belt consisting of a first adjusting belt section 121 and a first adjusting belt section 122, and a first adjusting buckle 123 for locking the first adjusting belt. The first adjusting belt section 121 and the first adjusting belt section 122 are vertically arranged or substantially vertically arranged. Such a vertical arrangement ensures that the adjusting buckle will not cause the adjusting belt to move or tighten incorrectly when subjected to force during use, thereby not squeezing the lateral supporting part and ensuring a larger space for children to move in the load-bearing part.

[0032] The end of the second section 122 of the first adjustment belt is fixedly connected to the back surface of the connecting portion 25 .

[0033] The vertical adjustment position relative to the backboard refers to the adjustment of the height of the shoulder strap relative to the backboard by 10 to 35 cm. The utility model has a wide range of adjustable shoulder strap heights, which can better adapt to users of different heights and body shapes.

[0034] like Figure 4 As shown, the backpack backboard 20 is a frame-like structure with a hollow interior (which can be covered with a mesh fabric). Upper and lower fixing sleeves 14 and 15 are fitted onto the upper and lower ends of the backpack backboard, respectively. These sleeves are used to connect the shoulder strap adjustment mechanism, the carrying bottom pocket, and other components. An openable bottom pocket 28 is also located outside the lower fixing sleeve, which can be tightened and opened using a second adjustment mechanism 26 (e.g., an adjustment buckle).

[0035] The other end of the shoulder strap is fixed to the rear side of the bottom of the backboard (more specifically, fixed to the rear side of the lower fixing sleeve); the rear side of the bearing part is connected to the support frame 4.

[0036] The upper end 231 of the positioning belt is fixed to the upper fixed sleeve, and the lower end of the positioning belt is tightened by a third adjustment mechanism 27 (for example, it can be an adjustment buckle). The positioning belt is a vertical belt. By tightening the positioning belt, the up and down movement of the buckle, the connecting part and one end of the shoulder strap can be made smoother and smoother; the shoulder strap adjustment mechanism also includes a U-shaped steel wire 22 movably connected to the connecting part 25; the U-shaped steel wire includes two vertical wires 221 parallel to each other and a horizontal wire 222 connected to the vertical wire. The connecting part and the upper end of the vertical wire are limitedly connected (for example, they can be limitedly connected by a limiting sleeve arranged in the connecting part), and the lower end of the vertical wire is limitedly connected to the lower fixed sleeve through a limiting sleeve 29.

[0037] The waist guard 3 is fixedly arranged on the front side of the lower end of the backboard. Figure 3 and Figure 6 As shown, the waist guard 3 includes a waist guard body 311 and a waist belt adjusting buckle 312 connected to the waist guard body. A waist guard zipper opening 31 is provided on the waist guard body.

[0038] like Figure 1 、 2 As shown in Figures 6 and 7, the carrying portion is located on the rear side of the backpack backboard and includes a carrying bottom pocket 39 connected to the rear side of the backpack backboard, a pad 33 connected to the carrying bottom pocket, and a carrying shoulder strap 36, one end of which is movably connected to the pad via a double adjustment buckle and the other end of which is movably connected to the rear side of the carrying backboard via a fifth adjustment buckle 38 and a fifth adjustment strap 37 (which passes through the fifth adjustment buckle). The double adjustment buckle and the fifth adjustment buckle allow for separate adjustments to the carrying bottom pocket and the upper end of the carrying shoulder strap, providing increased flexibility and comfort for the user.

[0039] The fifth adjustment belt passes through the bearing back plate 13 from the front side of the bearing back plate and extends outward from the back side of the bearing back plate, while the fifth adjustment buckle is located on the back side of the bearing back plate.

[0040] Wherein the upper fixing sleeve back surface is provided with a connecting part 30, the connecting part 30 is fixedly connected with the bearing bottom pocket 39 through a longer connecting belt 32.

[0041] The double adjusting buckle can be composed of an adjusting buckle slot 342 and two adjusting buckle protrusions 341, the adjusting buckle slot contains two sockets, and the two adjusting buckle protrusions can be inserted into the two sockets respectively to complete locking.

[0042] The buckle 24 comprises a buckle fixing part 241 sleeved on the positioning belt (the positioning belt passes through a through hole arranged in the buckle fixing part 241), a rotatable buckle rotating part 243 and a buckle rotating shaft 242 connected between the buckle fixing part and the buckle rotating part, when the buckle is in an open state, the buckle fixing part and the buckle rotating part are perpendicular to each other or substantially perpendicular to each other, at this time, the buckle rotating part can be pulled in front of the carrying part to make the whole buckle move vertically along the positioning belt, so as to drive the connecting part and one end of the carrying shoulder belt to move vertically, when the buckle is buckled, the buckle fixing part and the buckle rotating part are parallel to each other or substantially parallel to each other, and the outer edge of the buckle rotating part is located inside the buckle fixing part.

[0043] In the present specification, the technical contents not elaborated in detail are prior art.

[0044] In the description of the present application, it should be understood that: the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are all based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application; in addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that: unless otherwise clearly stipulated and limited, the terms "installation", "connection", "setting" and "formation" should be understood in a broad sense; for example, it can be a fixed connection, setting, or a detachable connection, setting, or an integrated structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements; for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0046] In the description of the present invention, reference to terms such as "embodiment", "specific example" or "practical application" means that the specific features, structures, materials or characteristics described in combination with the embodiment are included in at least one embodiment or example of the present invention; the schematic expressions of the above terms do not necessarily refer to the same embodiment or example, and the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention. Those skilled in the art should understand that the above embodiments do not limit the present invention in any form. Any technical solutions obtained by equivalent replacement or equivalent transformation fall within the scope of protection of the present invention.

Claims

1. A child carrier with easily adjustable shoulder strap height, characterized by: The backpack comprises a load-bearing portion, a back-bearing portion and a waist protection portion which are connected in sequence, the back-bearing portion comprises a backboard, a shoulder strap adjustment mechanism which can adjust its position vertically relative to the backboard, the shoulder strap adjustment mechanism comprises a positioning belt, a connecting portion which is movably fixed to the positioning belt by a buckle, the connecting portion being connected to one end of the shoulder strap; the buckle is located at the front end of the backboard; one end of the shoulder strap, the connecting portion and the buckle can slide vertically along the positioning belt at the same time; a lateral supporting portion is connected between the load-bearing portion and the back-bearing portion, and the lateral supporting portion is movably connected to the back-bearing portion through a first adjusting mechanism, the first adjusting mechanism comprises a first locking belt consisting of a first adjusting belt section and a first adjusting belt section, and a first adjusting buckle for locking the first locking belt, the first adjusting belt section and the first adjusting belt section are vertically arranged or substantially vertically arranged.

2. A child carrier with convenient height adjustment of shoulder straps according to claim 1, characterized in that: The backpack backboard is a frame-type structure with a hollow interior; an upper fixing sleeve and a lower fixing sleeve are respectively sleeved on the upper and lower ends of the backpack backboard.

3. A child carrier with convenient height adjustment of shoulder straps according to claim 2, characterized in that: The upper end of the positioning belt is fixed to the upper fixed sleeve, and the lower end of the positioning belt is tightened by a third locking mechanism; the shoulder strap adjustment mechanism also includes a U-shaped steel wire movably connected to the connecting part; the U-shaped steel wire includes two vertical wires parallel to each other and a horizontal wire connected to the vertical wires, the connecting part is limitedly connected to the upper end of the vertical wire, and the lower end of the vertical wire is limitedly connected to the lower fixed sleeve through a limiting sleeve.

4. The child carrier with convenient height adjustment of the shoulder straps according to claim 1, characterized in that: The waist protection part is fixedly arranged on the front side of the lower end of the back plate.

5. The child carrier with convenient height adjustment of shoulder straps according to claim 1, characterized in that: The load-bearing portion is located on the rear side of the backpack backboard, and the load-bearing portion includes a load-bearing bottom pocket connected to the rear side of the backpack backboard, a pad connected to the load-bearing bottom pocket, a load-bearing shoulder strap having one end movably connected to the pad via a double adjustment buckle and the other end movably connected to the rear side of the load-bearing backboard via a fifth adjustment buckle and a fifth adjustment strap, and the lateral support portion is movably connected to the connecting portion via a first adjustment mechanism.

6. The child carrier with convenient height adjustment of shoulder straps according to claim 1, characterized in that: The buckle includes a buckle fixing part mounted on the positioning belt, a buckle rotating part that can be rotatably opened, and a buckle rotating shaft connected between the buckle fixing part and the buckle rotating part. When the buckle is in the open state, the buckle fixing part and the buckle rotating part are perpendicular to each other or basically perpendicular to each other; when the buckle is in the engaged state, the buckle fixing part and the buckle rotating part are parallel to each other or basically parallel to each other, and the outer edge of the buckle rotating part is located on the inner side of the buckle fixing part.

7. A child carrier with convenient height adjustment of shoulder straps according to claim 1, characterized in that: The other end of the shoulder strap is fixed to the rear side of the lower fixing sleeve; the rear side of the bearing part is connected with a support frame.

8. A child carrier with convenient height adjustment of shoulder straps according to claim 2, characterized in that: An openable bottom pocket is also provided on the outside of the lower fixing sleeve, and the bottom pocket is tightened and opened by a second adjusting mechanism.

9. A child carrier with convenient height adjustment of shoulder straps according to claim 5, characterized in that: The double adjustment buckle is composed of an adjustment buckle slot and two adjustment buckle protrusions. The adjustment buckle slot contains two sockets, and the two adjustment buckle protrusions can be inserted into the two sockets respectively to complete the locking.

10. A child carrier with convenient height adjustment of shoulder straps according to claim 1, characterized in that: The vertically adjustable position relative to the backboard refers to a position adjustment of 10 to 35 cm in height relative to the backboard.

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