CN216854058U - Wear-resisting knapsack with adjustable braces - Google Patents

Abstract

The utility model discloses a wear-resistant backpack with adjustable straps, which belongs to the technical field of backpacks and comprises a backpack body and straps, wherein a sliding frame is arranged on the back side of the backpack body, the bottom ends of the straps are fixedly connected with the backpack body, the top ends of the straps are arranged in the sliding frame in a sliding manner, clamping components for fixing the top end positions of the straps are arranged on the straps, and a pulling component for driving the top ends of the straps to slide is arranged on the backpack body. The height position of the top end of the shoulder strap can be changed, so that a wearer can adjust the distance between the top end and the bottom end of the shoulder strap according to the body shape of the wearer, the backpack is more suitable for wearing, and the wearer feels more comfortable when walking; the wearer can manually adjust the position of the top end of the strap by pulling the assembly according to the requirement of the wearer; after the top end of the shoulder strap is adjusted, the position of the shoulder strap can be fixed, and the stability of the shoulder strap of the backpack is ensured.

Description

Wear-resisting knapsack with adjustable braces

Technical Field

The utility model discloses a wear-resistant backpack with adjustable straps, and belongs to the technical field of backpacks.

Background

The backpack is a bag carried on the back, and the materials of the backpack are diversified, and the fashionable trend is led by bags made of genuine leather, plastic materials, terylene, canvas, nylon, cotton, hemp and the like. In the period of more and more listing personalities, various styles such as conciseness, antique and cartoon also cater to the requirement of fashion people for developing personalities from different sides.

The length of the lower half section of the existing backpack strap can be adjusted to adapt to the shape of a wearer, but the position of the top of the strap cannot be adjusted, so that even if some people adjust the strap to the shortest, the bottom end position of the backpack can be too low, the backpack can touch the hip, discomfort in walking is caused, and in order to solve the problem, a new scheme needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a wear-resistant backpack with an adjustable strap.

The utility model achieves the purpose through the following technical scheme, and the wear-resistant backpack with the adjustable braces comprises a backpack body and the braces, wherein a sliding frame is arranged on the back side of the backpack body, the bottom ends of the braces are fixedly connected with the backpack body, the top ends of the braces are arranged in the sliding frame in a sliding mode, a clamping assembly used for fixing the top ends of the braces is arranged on the braces, and a pulling assembly used for driving the top ends of the braces to slide is arranged on the backpack body.

By adopting the technical scheme, the sliding frame is arranged on the back side of the backpack, and the top ends of the straps are arranged in the sliding frame in a sliding manner, so that the height positions of the top ends of the straps can be changed, a wearer can adjust the distance between the top ends and the bottom ends of the straps according to the body shape of the wearer, the backpack is more comfortable to wear, and the wearer is more comfortable to walk; the bag body is provided with a pulling assembly, so that a wearer can manually adjust the position of the top end of the shoulder strap through the pulling assembly according to the requirement of the wearer; the clamping assembly is arranged on the shoulder strap, so that the position of the shoulder strap can be fixed after the top end of the shoulder strap is adjusted, and the stability of the shoulder strap of the backpack is ensured.

Preferably, the pulling assembly comprises a pulling rope and a limiting part, the limiting part is arranged on the outer portion of the side face of the backpack body, one end of the pulling rope is fixedly connected with the limiting part, the other end of the pulling rope extends into the sliding frame and is fixedly connected with the top end of the strap, and the pulling rope is arranged on two sides of the top end of the strap.

By adopting the technical scheme, when the height of the top end of the shoulder strap needs to be adjusted, a wearer can pull the pull rope, and the pull rope can drive the top end of the shoulder strap to move and adjust the position; the pulling ropes on the two sides of the top end of the shoulder strap can respectively pull the shoulder strap upwards and downwards; the position of stay cord can be restricted to the locating part, prevents that the stay cord from retracting into the ladle body completely, leads to the condition emergence of unable operation.

Preferably, the joint subassembly includes joint piece, casing and spring, the casing is fixed to be set up in the top of braces, the joint piece sets up in the both sides of braces to with casing sliding connection, the stay cord is extended to in the casing by the casing middle part, and with the joint piece fixed connection at casing both ends, the spring housing is located on the stay cord in the casing, be provided with a plurality of joint grooves with joint piece matched with in the sliding frame.

By adopting the technical scheme, the clamping block slides in the shell and can be retracted into the shell or slide out of the shell, and when the clamping block slides out of the shell, the clamping block can be embedded into the clamping groove on the sliding frame, so that the sliding of the top end of the strap is limited, and the effect of fixing the top end of the strap is achieved; the shell can enhance the strength of the clamping component and enable the clamping block to better slide; the spring can push the clamping block outwards so as to keep embedding into the clamping groove; the joint piece is being connected to the stay cord, when the stay cord was by the pulling, will drive the inside slip of joint piece and retraction casing to make the top of braces slide adjusting.

Preferably, a plurality of pulleys used for guiding the pull rope to two sides of the sliding frame are arranged in the bag body.

Through adopting above-mentioned technical scheme, set up the movable pulley in the inclusion, the pulley can be with the both ends of the stay cord direction sliding frame that extends from the inclusion side for the pulling braces that the stay cord can be better.

Preferably, the limiting member is provided with a pull ring for pulling the limiting member.

Through adopting above-mentioned technical scheme, set up the pull ring on the locating part, the pull ring can be so that the person of wearing can be better carry out manual pulling regulation.

Preferably, the bag body is made of polybutylene terephthalate fiber.

By adopting the technical scheme, the polybutylene terephthalate fiber has excellent chemical resistance, light resistance and heat resistance, good durability, dimensional stability and better elasticity, the elasticity is not influenced by humidity, the hand feeling is soft, the hygroscopicity, the wear resistance and the fiber crimpability are good, and the stretching elasticity and the compression elasticity are excellent. Therefore, the bag body made of the polybutylene terephthalate fiber has good wear resistance, so that the service life of the bag body can be longer.

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

set up the sliding frame at the inclusion dorsal part of knapsack to let the top of braces slide in inside, the pulling subassembly that sets up on the usable inclusion of wearer comes manual pulling to adjust, makes the position at braces top can be adjusted according to wearer's self demand, has solved braces both ends distance fixed and leads to some people after adjusting braces length, still not fit for the problem. And the adjusted braces can be limited by the clamping assembly, so that the stability of the braces cannot be reduced, and the braces are convenient to use.

Drawings

FIG. 1 is a schematic perspective view of a wear-resistant backpack with adjustable straps according to the present invention;

FIG. 2 is a schematic view of a partially cut-away rear view of an adjustable back strap wearable backpack of the present invention;

fig. 3 is a sectional structure diagram of the strap of the wear-resistant backpack with adjustable straps according to the present invention.

Reference numerals: 1. a bag body; 2. a harness; 3. a limiting member; 4. pulling a rope; 5. a pull ring; 6. a sliding frame; 7. a pulley; 8. a clamping groove; 9. a clamping block; 10. a housing; 11. a spring.

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 and 3, the shoulder strap adjustable wear-resistant backpack comprises a backpack body 1 and shoulder straps 2, wherein the backpack body 1 is made of polybutylene terephthalate fiber, and the polybutylene terephthalate fiber has excellent chemical resistance, light resistance and heat resistance, good durability, dimensional stability and better elasticity, is not influenced by humidity, is soft in hand feeling, is good in moisture absorption, wear resistance and fiber crimpability, and is excellent in tensile elasticity and compressive elasticity. Therefore, the bag body 1 made of the polybutylene terephthalate fiber has good wear resistance, so that the service life of the bag body can be longer. Two sliding frames 6 are arranged on the back side of the bag body 1, the sliding frames 6 are fixedly arranged inside the bag body 1, and grooves communicated with the sliding frames 6 are formed in the bag body 1. The bottom end of the braces 2 is fixedly connected with the bag body 1, and the top end is vertically arranged in the sliding frame 6 in a sliding manner. Therefore, the shoulder strap 2 can slide up or down in the slide frame 6, thereby achieving the effect of adjustment.

The backpack is provided with a pulling assembly, the pulling assembly comprises a pull rope 4 and a limiting part 3, and a plurality of pulleys 7 are arranged in the backpack body 1. The locating part 3 sets up on the both sides of inclusion 1, and stay cord 4 one end and locating part 3 fixed connection, the other end extend to in the inclusion 1, and around pulley 7, by the upper and lower both ends of direction sliding frame 6, finally stretch into sliding frame 6 to fixed mutually with the top of braces 2, the upper and lower both sides on braces 2 top all are provided with stay cord 4. The top of the back strap 2 can be driven to slide by the wearer pulling the pull rope 4 outwards, so that the effect of manual adjustment is achieved. Pulling the pull cords 4 on the upper and lower sides of the top end of the back belt 2 causes the top end of the back belt 2 to slide up and down, respectively. Be provided with pull ring 5 on the locating part 3, the person of wearing can be more convenient with the pulling of stay cord 4 through stretching into pull ring 5 with the hand in.

The braces 2 are provided with clamping components which comprise clamping blocks 9, a shell 10 and springs 11. The casing 10 is horizontally and fixedly arranged in the top end of the braces 2, the clamping blocks 9 are arranged on two sides of the braces 2 and are in sliding connection with the casing 10, and the clamping blocks 9 can slide into the casing 10 or slide out of the casing 10. Be provided with a plurality of joint grooves 8 in the sliding frame 6, the vertical range in joint groove 8 sets up in the both sides of sliding frame 6, when joint piece 9 slides outside casing 10, will imbed in the joint groove 8 for the vertical slip of braces 2 is restricted, and consequently, the position of braces 2 will be fixed. The pull rope 4 extends into the shell 10 from the middle of the shell 10 and is fixedly connected with the clamping blocks 9 at the two ends of the shell 10. When stay cord 4 was pulled, the joint piece 9 at casing 10 both ends will be driven by it to in sliding, the retraction casing 10, joint piece 9 has just broken away from joint groove 8 this moment, therefore joint piece 9 is also relieved to the spacing of braces 2, and braces 2 just can be pulled, thereby adjusts. On the stay cord 4 in casing 10 was located to spring 11 cover, spring 11 can push up joint piece 9 mutually outward for under the condition of no external force, joint piece 9 can imbed in the joint groove 8, consequently, after the person's of wearing pulling stay cord 4 adjusted and loosened the hand, braces 2 will automatic fixation.

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 an adjustable wear-resisting knapsack of braces, includes inclusion (1) and braces (2), its characterized in that: the backpack comprises a backpack body (1), and is characterized in that a sliding frame (6) is arranged on the back side of the backpack body (1), the bottom end of a strap (2) is fixedly connected with the backpack body (1), the top end of the strap is arranged in the sliding frame (6) in a sliding manner, a clamping assembly used for fixing the top end of the strap (2) is arranged on the strap (2), and a pulling assembly used for driving the top end of the strap (2) to slide is arranged on the backpack body (1).

2. The adjustable-harness wear-resistant backpack of claim 1, wherein: the pulling assembly comprises a pulling rope (4) and a limiting part (3), the limiting part (3) is arranged on the outer portion of the side face of the bag body (1), one end of the pulling rope (4) is fixedly connected with the limiting part (3), the other end of the pulling rope extends into the sliding frame (6) and is fixedly connected with the top end of the strap (2), and the pulling rope (4) is arranged on the two sides of the top end of the strap (2).

3. The adjustable-harness wear-resistant backpack of claim 2, wherein: the joint subassembly includes joint piece (9), casing (10) and spring (11), casing (10) are fixed to be set up in the top of braces (2), joint piece (9) set up in the both sides of braces (2) to with casing (10) sliding connection, stay cord (4) extend to casing (10) by casing (10) middle part in, and with joint piece (9) fixed connection at casing (10) both ends, on stay cord (4) in casing (10) are located to spring (11) cover, be provided with in sliding frame (6) a plurality of and joint piece (9) matched with joint groove (8).

4. The adjustable-harness wear-resistant backpack of claim 2, wherein: a plurality of pulleys (7) used for guiding the pull rope (4) to the two sides of the sliding frame (6) are arranged in the bag body (1).

5. The adjustable-harness wear-resistant backpack of claim 2, wherein: the limiting piece (3) is provided with a pull ring (5) used for pulling the limiting piece (3).

6. The adjustable-harness wear-resistant backpack of claim 1, wherein: the bag body (1) is made of polybutylene terephthalate fiber.

Images