CN216854064U - Ventilative knapsack convenient to adjust - Google Patents

Abstract

The utility model discloses a breathable backpack convenient to adjust, which belongs to the field of backpacks and comprises a backpack body and straps, wherein the straps comprise strap bodies with one ends sewn and connected with the backpack body and tightening belts sewn and connected with the other ends of the strap bodies, one ends of the tightening belts far away from the strap bodies are embedded into the backpack body, and winding devices used for winding and unwinding the tightening belts are arranged in the backpack body.

Description

Ventilative knapsack convenient to adjust

Technical Field

The utility model discloses a breathable backpack convenient to adjust, and belongs to the field of backpacks.

Background

The backpack is a daily necessity frequently used in life of people, and brings great convenience to our life.

Most of braces of the existing backpack are of fixed structures, and when the backpack is carried by hands, the braces can drag or hook other objects on the ground without changing the length, so that not only can the braces be polluted by dust on the ground, but also potential safety hazards are easy to appear, and then the braces are damaged.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide an air-permeable backpack which is easily adjustable.

The utility model realizes the purpose through the following technical scheme, and the breathable backpack convenient to adjust comprises a backpack main body and straps, wherein the straps comprise strap main bodies and tightening belts, one ends of the strap main bodies are connected with the backpack main body in a sewing mode, the tightening belts are connected with the other ends of the strap main bodies in a sewing mode, one ends, far away from the strap main bodies, of the tightening belts are embedded into the backpack main body, and winding devices used for winding and unwinding the tightening belts are arranged in the backpack main body.

Through adopting above-mentioned technical scheme, after people are portable or place the knapsack, in order to avoid the braces to drag on the ground or collude other articles, take up the knapsack main part inside through the coiling mechanism for the braces main part is laminated with knapsack main part back position mutually, and then avoids appearing the braces and drag on the ground or collude other articles, improves people's convenience in utilization and security.

Preferably, the coiling mechanism includes the housing that is connected with the knapsack main part, is used for receiving and releasing the dwang of tightening band and drives the rotatory actuating mechanism of dwang, offer the opening that is used for tightening band to stretch into on the housing, actuating mechanism one end extends to the housing outside.

Through adopting above-mentioned technical scheme, it is rotatory to utilize actuating mechanism to drive the dwang, and then makes the dwang form the rolling or unreel to the take-up belt.

Preferably, actuating mechanism includes that one end extends to the actuating lever in the encloser outside, fixes driving gear and the driven gear of fixed cover on the dwang of establishing on the actuating lever, the driving gear meshes with driven gear mutually, still be provided with the locating component who is used for fixed actuating lever position on the actuating lever.

Through adopting above-mentioned technical scheme, the rotation driving pole drives driving gear and driven gear mesh mutually, and then drives the dwang rotation, realizes forming the effect of rolling or unreeling to the take-up belt, realizes the location effect to the actuating lever position through locating component simultaneously, guarantees the effect of rolling or unreeling to take-up belt formation.

Preferably, the dwang is provided with two to the symmetry sets up the both sides at the actuating lever, two the dwang is connected with two tightening bands respectively.

Through adopting above-mentioned technical scheme, utilize two dwang to wind two tightening bands simultaneously, improve work efficiency.

Preferably, the positioning assembly comprises a positioning part slidably arranged on the driving rod and an elastic element used for pushing the positioning part to abut against the outer housing, and two ends of the elastic element abut against the driving rod and the positioning part respectively.

By adopting the technical scheme, when the driving rod needs to be rotated, the positioning part and the outer housing shell are pushed to be separated to remove the fixation of the position of the driving rod, then the driving rod is rotated to a proper position, the external force on the positioning part is removed, the elastic element releases the elastic thrust to push the positioning part to reset, and the positioning part and the outer housing shell are abutted to realize the fixation of the position of the driving rod.

Preferably, the back part of the backpack main body is provided with a ventilating layer.

By adopting the technical scheme, the breathable layer is made of the lyocell fiber, and the lyocell fiber has good sweat absorption and breathability, so that the backpack main body is endowed with good comfort.

Compared with the prior art, the utility model has the beneficial effects that:

the tightening belt is collected into the backpack body through the winding device, so that the backpack body is attached to the back of the backpack body, the backpack body is prevented from dragging on the ground or hooking other objects, and the use convenience and safety of people are improved.

Drawings

FIG. 1 is a schematic view of an adjustable air-permeable backpack according to the present invention;

FIG. 2 is a first schematic structural diagram of the winding device of the present invention;

FIG. 3 is a second schematic structural view of the winding device of the present invention;

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.

Reference numerals are as follows: 1. a backpack body; 2. a harness main body; 3. tightening the belt; 4. a winding device; 41. an outer casing; 42. an opening; 43. a driving gear; 44. a driven gear; 45. a drive rod; 46. a positioning member; 47. an elastic element; 48. rotating the rod.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2, 3 and 4, a breathable backpack convenient to adjust comprises a backpack body 1 and straps, wherein a breathable layer is arranged at the back position of the backpack body 1, the breathable layer is made of lyocell fibers, the lyocell fibers have good sweat absorption and breathability, so that the backpack body 1 is endowed with good comfort, the straps comprise a strap body 2 with one end connected with the backpack body 1 in a sewing manner and a tightening belt 3 connected with the other end of the strap body 2 in a sewing manner, one end of the tightening belt 3, far away from the strap body 2, is embedded into the backpack body 1, a winding device 4 for winding and unwinding the tightening belt 3 is arranged in the backpack body 1, so that when people carry or place the backpack, in order to avoid dragging or hooking other objects on the ground, the tightening belt 3 is wound into the backpack body 1 through the winding device 4, so that the strap body 2 is attached to the back position of the backpack body 1, thereby avoiding the occurrence of dragging of the braces on the ground or hooking to other objects and improving the use convenience and safety of people.

The winding device 4 comprises an outer cover shell 41 connected with the backpack body 1, a rotating rod 48 for winding and unwinding the tightening belt 3 and a driving mechanism for driving the rotating rod 48 to rotate, an opening 42 for the tightening belt 3 to extend into is formed on the outer cover shell 41, so that the tightening belt 3 enters the outer cover shell 41 through the opening 42 and is wound on the rotating rod 48, the driving mechanism comprises a driving rod 45 with one end extending to the outer side of the outer cover shell 41, a driving gear 43 fixedly sleeved on the driving rod 45 and a driven gear 44 fixedly sleeved on the rotating rod 48, the driving gear 43 is meshed with the driven gear 44, so that the driving rod 45 is rotated to drive the driving gear 43 to be meshed with the driven gear 44 and further drive the rotating rod 48 to rotate, thereby realizing the winding or unwinding of the tightening belt 3, the two rotating rods 48 are symmetrically arranged at two sides of the driving rod 45, and the two rotating rods 48 are respectively connected with the two tightening belts 3, two tightening bands 3 are simultaneously wound by the two rotating rods 48, so that the working efficiency is improved.

Meanwhile, a positioning assembly used for fixing the position of the driving rod 45 is further arranged on the driving rod 45, the positioning assembly comprises a positioning piece 46 arranged on the driving rod 45 in a sliding mode and an elastic element 47 used for pushing the positioning piece 46 to abut against the outer housing 41, two ends of the elastic element 47 abut against the driving rod 45 and the positioning piece 46 respectively, when the driving rod 45 needs to be rotated, the positioning piece 46 and the outer housing 41 are pushed to be separated to release the fixing of the position of the driving rod 45, meanwhile, a compression effect is formed on the elastic element 47, after the driving rod 45 is rotated to a proper position, the external force on the positioning piece 46 is removed, the elastic element 47 releases elastic thrust to push the positioning piece 46 to reset, the positioning piece 46 abuts against the outer housing 41, and the driving rod 45 is fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a ventilative knapsack convenient to adjust, includes knapsack main part (1) and braces, its characterized in that, the braces includes that one end sews up braces main part (2) of being connected and sews up with braces main part (1) other end and sews up tightening band (3) of being connected, inside tightening band (3) keep away from one end embedding knapsack main part (1) of braces main part (2), be provided with in knapsack main part (1) and be used for receiving and releasing coiling mechanism (4) of tightening band (3).

2. The adjustable, breathable backpack according to claim 1, wherein: coiling mechanism (4) include encloser (41) that are connected with knapsack main part (1), be used for receiving and releasing dwang (48) of tightening band (3) and drive the actuating mechanism of dwang (48) rotation, offer opening (42) that are used for tightening band (3) to stretch into on encloser (41), actuating mechanism one end extends to the encloser (41) outside.

3. The adjustable, breathable backpack according to claim 2, wherein: actuating mechanism includes that one end extends to actuating lever (45) in the encloser (41) outside, fixed driving gear (43) and the fixed driven gear (44) of establishing on dwang (48) of establishing on actuating lever (45) of establishing, driving gear (43) and driven gear (44) mesh mutually, still be provided with the locating component who is used for fixed actuating lever (45) position on actuating lever (45).

4. An adjustable, breathable backpack according to claim 3, wherein: the two rotating rods (48) are symmetrically arranged on two sides of the driving rod (45), and the two rotating rods (48) are respectively connected with the two tightening belts (3).

5. An adjustable, breathable backpack according to claim 4, wherein: the positioning assembly comprises a positioning piece (46) arranged on the driving rod (45) in a sliding mode and an elastic element (47) used for pushing the positioning piece (46) to abut against the outer housing (41), and two ends of the elastic element (47) abut against the driving rod (45) and the positioning piece (46) respectively.

6. The adjustable, breathable backpack according to claim 1, wherein: the back of the backpack body (1) is provided with a breathable layer.

Images