A backpack elastic shock absorption device

Abstract

This utility model relates to the field of backpack technology, and more particularly to a backpack elastic shock absorption device, comprising: a backpack connecting piece, fixedly connected to one side of the backpack that fits against the back, the backpack connecting piece having a plurality of shock-absorbing connecting parts along the axial direction; and a shock absorption assembly, including a shoulder strap connecting assembly and an elastic component slidably disposed within the cavity of the shoulder strap connecting assembly, the side of the elastic component near the backpack connecting piece extending beyond the shoulder strap connecting assembly and rotatably connected to any one of the shock-absorbing connecting parts. This utility model's backpack elastic shock absorption device, through the cooperation of spring components and sliding components, converts the vertical impact force of the backpack into the elastic potential energy of the spring, effectively buffering vibration. Simultaneously, the rotatable connection between the sliding component in the elastic assembly and the backpack connecting piece allows the backpack to undergo slight angular deflection within a certain range, adapting to human movement and achieving a multi-dimensional shock absorption effect.

Description

Technical Field

[0001] This utility model relates to the field of backpack technology, and in particular to a backpack elastic shock absorption device. Background Technology

[0002] Most backpacks on the market today have a structure where a looped shoulder strap is fixed to the outside of the bag, securing it to the wearer's shoulder for carrying. However, this design causes the backpack to move up and down with the movement of the person walking, constantly pulling on the shoulder straps and the shoulder area, resulting in discomfort. Furthermore, when running, the backpack is pulled by the left and right shoulder straps, causing it to swing from side to side, further affecting comfort. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a backpack elastic shock absorption device, including: The backpack connecting piece is fixedly connected to the side of the backpack that fits against the back. The backpack connecting piece is provided with several shock-absorbing connecting parts along the axial direction. The shock-absorbing component includes a shoulder strap connection assembly and an elastic component that can slide axially back and forth within the cavity of the shoulder strap connection assembly. The side of the elastic component near the backpack connecting piece extends out of the shoulder strap connection assembly and is rotatably connected to any of the shock-absorbing connectors.

[0004] Furthermore, the shock-absorbing connector includes a circular hollow groove and a fan-shaped hollow groove, wherein the two straight surfaces of the fan-shaped hollow groove intersect the lower semicircular arc of the circular hollow groove, respectively.

[0005] Furthermore, the shoulder strap connection assembly includes a main structure, guide posts, and shoulder strap connectors; The main structure has a hollowed-out receiving groove along the axial direction in the middle, and the two vertical sidewalls of the hollowed-out receiving groove protrude towards each other along the axial direction to form guide bosses. The guide post is disposed in the hollow receiving groove, and both ends of the guide post pass through the hollow receiving groove and are fixedly connected to the main structure; The two strap connectors are symmetrically arranged on both sides of the upper half of the main structure.

[0006] Furthermore, the elastic component includes a sliding member and a spring member that are sleeved from top to bottom on the guide post; The two ends of the spring are fixedly connected to the lower end face of the sliding member and the lower end face of the hollowed-out receiving groove, respectively.

[0007] Furthermore, the sliding member includes a sliding section and a connecting section located on the side of the sliding section near the backpack connecting piece; The two side walls of the sliding section are provided with guide grooves in the axial direction that match the guide bosses, and the distance between the bottom surfaces of the two guide grooves matches the distance between the outer end surfaces of the two guide bosses.

[0008] Furthermore, the sliding section has a guide cavity that matches the guide post through it along the axial direction, and the upper end face of the spring is connected to the lower end face of the sliding section.

[0009] Furthermore, the connecting segment is recessed inward along the circumferential direction towards the center to form a circular rotating groove, the inner diameter of which matches the diameter of the circular hollow groove.

[0010] Furthermore, the outer side of the hollowed-out receiving groove of the main structure is provided with a cover.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model discloses a backpack elastic shock absorption device that, through the cooperation of a spring and a sliding component, converts the impact force of the backpack in the vertical direction into the elastic potential energy of the spring, effectively buffering the vibration. At the same time, the rotatable connection between the sliding component in the elastic component and the backpack connecting piece allows the backpack to undergo slight angular deflection within a certain range, adapting to human activity and achieving a multi-dimensional shock absorption effect.

[0012] 2. The backpack connecting plate of this utility model is provided with multiple shock-absorbing connectors. Users can choose different connection points according to their own height, carrying habits or load center of gravity, so as to adjust the initial tension and response characteristics of the shock-absorbing system in a personalized way.

[0013] 3. The backpack elastic shock absorption device of this utility model adopts a combination of circular hollow groove and rotating groove. The fan-shaped hollow groove provides a path for insertion and rotation locking, which makes the connection and disassembly of the shock absorption component simple and quick, and the structure is stable after connection and not easy to detach.

[0014] 4. The backpack elastic shock absorption device of this utility model adopts a precise fit between the shoulder strap connecting component and the elastic component, as well as the sleeve of the guide boss and the guide cavity, to ensure that the sliding component always moves in a straight line during compression and rebound, avoiding uneven wear and jamming, and improving the durability and shock absorption smoothness of the device. Attached Figure Description

[0015] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of a backpack elastic shock absorption device according to the present invention; Figure 2 This is a schematic diagram of a backpack connecting piece for an elastic shock-absorbing device of this utility model; Figure 3 This is a schematic diagram of the shock-absorbing component of a backpack elastic shock-absorbing device according to the present invention; Figure 4 This is a schematic diagram of the shoulder strap connection assembly of a backpack elastic shock absorption device according to the present invention; Figure 5 This is a schematic diagram of the elastic component of a backpack elastic shock absorption device according to the present invention; Figure 6 This is a schematic diagram of a backpack elastic shock absorption device with a cover according to the present invention.

[0016] Figure Labels 1: Backpack connecting piece; 11: Vibration damping connectors; 2: Vibration damping components; 21: Shoulder strap connection assembly; 22: Elastic component; 211: Main structure; 212: Guide column; 213: Shoulder strap connector; 2111: Hollowed-out receiving groove; 2112: Guide boss; 221: Sliding component; 222: Spring component; 2211: Sliding section; 2212: Connecting section; 22111: Guide cavity; 22112: Guide groove; 22121: Rotary groove; 3: Cover. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model.

[0018] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0019] First Embodiment Please see Figure 1-6The technical solution of the backpack elastic shock absorption device provided in this embodiment includes the following: Backpack connecting piece 1 is fixedly connected to the side of the backpack that fits against the back. The backpack connecting piece 1 is provided with a plurality of shock-absorbing connecting parts 11 along the axial direction. The shock-absorbing component 2 includes a shoulder strap connecting component 21 and an elastic component 22 that can slide axially back and forth within the cavity of the shoulder strap connecting component 21. The side of the elastic component 22 closest to the backpack connecting piece 1 extends out of the shoulder strap connecting component 21 and is rotatably connected to any of the shock-absorbing connectors 11. This design allows the up-and-down vibration energy generated by the backpack during exercise to be transmitted to the elastic component 22 through the backpack connecting piece 1, where it is converted into compression and rebound of the elastic component 22, thus being effectively absorbed and buffered.

[0020] In specific implementation, as shown in the appendix Figure 1 As shown, the innermost layer has a sheet-like structure of a certain thickness, which is the backpack connecting piece 1. The inner wall of the backpack connecting piece 1 is glued or sewn to the side of the backpack that fits against the back. The outer side of the backpack connecting piece 1 with ears is the shoulder strap connecting component 21 in the shock absorption component 2. The structure in the hollowed-out receiving groove 2111 in the middle of the shoulder strap connecting component 21 that can slide up and down along the guide post 212 is the elastic component 22. The inner side of the elastic component 22 is rotatably connected to the backpack connecting piece 1.

[0021] Specifically, as shown in the attached document Figure 2 As shown, the shock-absorbing connector 11 includes an upper circular hollow groove and a lower fan-shaped hollow groove. The two straight surfaces of the fan-shaped hollow groove intersect with the lower half-circle of the circular hollow groove. The fan-shaped hollow groove area is the initial insertion and placement area. The inner wall of the lower half-area of ​​the circular hollow groove forms an abutment and limiting wall against the elastic component 22, thereby achieving a stable connection between the backpack connecting piece 1 and the inner wall of the elastic component 22.

[0022] Specifically, as shown in the attached document Figure 3 As shown, the shoulder strap connection assembly 21 includes a main structure 211, a guide post 212, and a shoulder strap connector 213; The main structure 211 has a hollowed-out receiving groove 2111 in the middle along the axial direction, and the two vertical sidewalls of the hollowed-out receiving groove 2111 protrude towards each other along the axial direction to form guide bosses 2112. The guide post 212 is disposed in the hollow receiving groove 2111, and both ends of the guide post 212 pass through the hollow receiving groove 2111 and are fixedly connected to the main structure 211. The two strap connectors 213 are symmetrically arranged on both sides of the upper half of the main structure 211.

[0023] Specifically, the elastic component 22 includes a sliding member 221 and a spring member 222 that are sleeved on the guide post 212 from top to bottom; The two ends of the spring member 222 are fixedly connected to the lower end face of the sliding member 221 and the lower end face of the hollow receiving groove 2111, respectively.

[0024] When the sliding member 221 is pressed down by force, it will compress the spring member 222; when the force is removed, the spring member 222 will rebound and push the sliding member 221 to reset.

[0025] Specifically, the sliding member 221 includes a sliding section 2211 and a connecting section 2212 located on the side of the sliding section 2211 near the backpack connecting piece 1; The two side walls of the sliding section 2211 are provided with guide grooves 22112 that match the guide bosses 2112 in the axial direction, and the distance between the bottom surfaces of the two guide grooves 22112 matches the distance between the outer end surfaces of the two guide bosses 2112.

[0026] In specific implementation, in the installed device, the guide boss 2112 in the main structure 211 is inserted into the guide groove 22112 of the sliding section 2211, and the sliding section 2211 can slide up and down along the guide boss 2112.

[0027] Specifically, the sliding section 2211 is provided with a guide cavity 22111 that matches the guide post 212 through it along the axial direction, and the upper end face of the spring member 222 is connected to the lower end face of the sliding section 2211.

[0028] Specifically, the connecting segment 2212 is recessed inward along the circumferential direction towards the center to form a circular rotating groove 22121, and the inner diameter of the rotating groove 22121 matches the diameter of the circular hollow groove.

[0029] In specific implementation, in the installed device, the edge of the circular hollow groove of the shock-absorbing connector 11 is inserted into the rotating groove 22121 of the connecting section 2212; Specifically, the outer side of the hollowed-out receiving groove 2111 of the main structure 211 is provided with a cover 3 to seal the receiving groove, prevent dust and foreign objects from entering, and at the same time improve the appearance and enhance safety.

[0030] The working principle or process of the backpack elastic shock absorption device provided by this utility model is as follows: Alignment and Insertion: The user selects a shock-absorbing connector 11 at a suitable height on the backpack connecting piece 1 according to their needs. Holding the shock-absorbing component 2, the user aligns the rotating groove 22121 on the connecting section 2212 of the sliding member 221 with the fan-shaped perforated groove area of ​​the selected shock-absorbing connector 11. Then, the user pushes upwards to allow the connecting section 2212 to pass through the fan-shaped perforated groove and into the circular perforated groove. At this time, the edge of the circular perforated groove is inserted into the rotating groove 22121 of the connecting section 2212. The connection point between the lower half of the circular perforated groove and the fan-shaped perforated groove generates a resisting force on the connecting section 2212, which effectively "locks" the connecting section 2212 of the sliding member 221 onto the backpack connecting piece 1, preventing it from easily exiting downwards from the circular perforated groove.

[0031] Working process: When the user moves, the up-and-down vibrations generated by the backpack are transmitted to the sliding member 221 through the backpack connecting piece 1. The impact force pushes the sliding member 221 downward along the guide boss 2112 and guide post 212, compressing the spring member 222 and converting kinetic energy into the potential energy of the spring member 222. Subsequently, the spring member 222 releases its potential energy, pushing the sliding member 221 to rebound, thereby effectively buffering the vibration. At the same time, since the connecting section 2212 of the sliding member 221 and the circular hollow groove are relatively rotatable, the backpack can swing slightly left and right around the connection point, further adapting to changes in human posture and achieving multi-dimensional shock absorption.

[0032] Adjustment and disassembly: If the height of the backpack needs to be adjusted, simply press down on the sliding member 221 to make it exit from the circular slot into the fan-shaped slot. Then, repeat the above "alignment and insertion" steps to connect it to another higher or lower shock-absorbing connector 11. The disassembly process is the same.

[0033] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A backpack elastic shock absorption device, characterized in that, include: The backpack connecting piece is fixedly connected to the side of the backpack that fits against the back. The backpack connecting piece is provided with several shock-absorbing connecting parts along the axial direction. The shock-absorbing component includes a shoulder strap connection assembly and an elastic component that can slide axially back and forth within the cavity of the shoulder strap connection assembly. The side of the elastic component near the backpack connecting piece extends out of the shoulder strap connection assembly and is rotatably connected to any of the shock-absorbing connectors.

2. The backpack elastic shock absorption device according to claim 1, characterized in that: The shock-absorbing connector includes a circular hollow groove and a fan-shaped hollow groove, wherein the two straight surfaces of the fan-shaped hollow groove intersect with the lower semicircular arc of the circular hollow groove.

3. The backpack elastic shock absorption device according to claim 2, characterized in that: The shoulder strap connection assembly includes a main structure, guide posts, and shoulder strap connectors; The main structure has a hollowed-out receiving groove along the axial direction in the middle, and the two vertical sidewalls of the hollowed-out receiving groove protrude towards each other along the axial direction to form guide bosses. The guide post is disposed in the hollow receiving groove, and both ends of the guide post pass through the hollow receiving groove and are fixedly connected to the main structure; The two strap connectors are symmetrically arranged on both sides of the upper half of the main structure.

4. The backpack elastic shock absorption device according to claim 3, characterized in that: The elastic component includes a sliding member and a spring member that are sleeved on the guide post from top to bottom; The two ends of the spring are fixedly connected to the lower end face of the sliding member and the lower end face of the hollowed-out receiving groove, respectively.

5. The backpack elastic shock absorption device according to claim 4, characterized in that: The sliding component includes a sliding section and a connecting section located on the side of the sliding section near the backpack connecting piece; The two side walls of the sliding section are provided with guide grooves in the axial direction that match the guide bosses, and the distance between the bottom surfaces of the two guide grooves matches the distance between the outer end surfaces of the two guide bosses.

6. The backpack elastic shock absorption device according to claim 5, characterized in that: The sliding section has a guide cavity that matches the guide post through it along the axial direction, and the upper end face of the spring is connected to the lower end face of the sliding section.

7. The backpack elastic shock absorption device according to claim 5, characterized in that: The connecting section is recessed inward along the circumferential direction towards the center to form a circular rotating groove, the inner diameter of which matches the diameter of the circular hollow groove.

8. The backpack elastic shock absorption device according to claim 3, characterized in that: The outer side of the hollowed-out receiving groove of the main structure is covered.

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