Knapsack capable of being conveniently switched between single shoulder and double shoulders

Abstract

The utility model discloses a knapsack convenient to switch between a single shoulder and double shoulders, which belongs to the technical field of knapsacks and comprises a knapsack body, a handle is arranged in the middle of the top of the knapsack body, a back plate is arranged at the upper end of the back of the knapsack body, a bottom plate is arranged at the bottom of the knapsack body, and fixing components are arranged at the bottom of the bottom plate and on the side edges of the back plate. The fixing assemblies are arranged, the shifting block is pulled, the pin body is retracted into the movable groove, the pin body is separated from the pin hole, the connecting sleeve moves on the movable rod, the connecting sleeve stops moving to the two ends of the movable rod, and the pin body is inserted into the pin hole under the elastic force action of the reset spring. The connecting sleeve is rapidly fixed, the adjustable shoulder strap is separated, rapid switching from a single shoulder to double shoulders is achieved, adjusting and fixing are convenient, and time and labor are saved.

Description

Technical Field

[0001] This utility model belongs to the field of backpack technology, specifically relating to a backpack that allows for easy switching between single and double shoulder straps. Background Technology

[0002] A backpack is a bag worn on the back, made of a variety of materials, including genuine leather, plastic, polyester, canvas, nylon, cotton, and linen.

[0003] Existing backpacks that allow for easy switching between single and double shoulder straps have several drawbacks: switching between single and double shoulder straps is cumbersome, adjustment and installation are inconvenient, and adjusting the shoulder straps is time-consuming and laborious, resulting in inconvenience in use. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a backpack that allows for convenient switching between single and double shoulder straps. It features easy switching, convenient adjustment and installation, and easy shoulder strap adjustment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a backpack that allows for convenient switching between single and double shoulders, comprising a backpack body, a handle in the middle of the top of the backpack body, a back panel at the upper back of the backpack body, a bottom plate at the bottom of the backpack body, fixing components at the bottom of the bottom plate and the side of the back panel, and an adjustable shoulder strap connecting the two sets of fixing components.

[0006] Preferably, the fixing component includes a fixing seat, a mounting block, a connecting sleeve, a pin hole, and a movable rod. The movable rod has mounting blocks at both ends, connecting sleeves on both sides of its surface, a pin hole at the upper end of the connecting sleeve, and four sets of fixing seats on the upper sides and middle of the movable rod.

[0007] Preferably, the fixed seat includes a seat body, a movable groove, a pin, a toggle block, and a return spring. The seat body has a movable groove inside, a return spring is provided at the top of the movable groove, the lower end of the return spring is connected to the pin, and a toggle block is provided at the upper side of the pin.

[0008] Preferably, the pin is always inserted into the pin hole under the elastic force of the return spring.

[0009] Preferably, the adjustable shoulder strap includes a shoulder strap one, a Velcro female, a Velcro female, and a shoulder strap two, wherein the shoulder strap two is provided on one side of the shoulder strap one, the Velcro female is provided on the side of the shoulder strap one near the shoulder strap two, and the Velcro female is provided on the side of the shoulder strap two near the shoulder strap one.

[0010] Preferably, the surface of the shoulder strap one located on the side of the Velcro mother is provided with a plurality of magnet pieces one, and the surface of the shoulder strap two located on the side of the Velcro daughter is provided with a plurality of magnet pieces two, and the magnet pieces one and magnet pieces two are magnetically connected.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model is equipped with a fixing component. Pulling the actuating block causes the pin to retract into the movable groove, separating the pin from the pin hole. The connecting sleeve moves on the movable rod. When the connecting sleeve moves to both ends of the movable rod and stops, the pin is inserted into the pin hole under the elastic force of the return spring, so that the connecting sleeve is quickly fixed. The adjustable shoulder straps separate, realizing quick switching from single shoulder to double shoulder. Adjustment and fixing are convenient, saving time and effort.

[0013] 2. This utility model features an adjustable shoulder strap. Shoulder strap one and shoulder strap two are fixed together by Velcro female and Velcro female. Each of the two shoulder straps has a magnetic piece one and a magnetic piece two on its side. The magnetic attraction between the magnetic pieces one and the magnetic piece two further improves the connection between the two shoulder straps and facilitates switching between single-shoulder and double-shoulder use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the fixing component structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the fixing base structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the adjustable shoulder strap structure of this utility model;

[0018] In the diagram: 1. Handle; 2. Back panel; 3. Backpack body; 4. Base plate; 5. Adjustable shoulder strap; 51. Shoulder strap one; 52. Velcro female; 53. Magnetic piece one; 54. Velcro female; 55. Magnetic piece two; 56. Shoulder strap two; 6. Fixing assembly; 61. Fixing base; 611. Base body; 612. Movable groove; 613. Pin; 614. Actuating block; 615. Return spring; 62. Mounting block; 63. Connecting sleeve; 64. Pin hole; 65. Movable rod. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1

[0021] Please see Figure 1-4 The present invention provides the following technical solution: a backpack that can be easily switched between single and double shoulders, including a backpack body 3, a handle 1 provided in the middle of the top of the backpack body 3, a back panel 2 provided at the upper back of the backpack body 3, a bottom plate 4 provided at the bottom of the backpack body 3, and fixing components 6 provided at the bottom of the bottom plate 4 and the side of the back panel 2, and an adjustable shoulder strap 5 connected between the two sets of fixing components 6.

[0022] Specifically, the fixing component 6 includes a fixing seat 61, a mounting block 62, a connecting sleeve 63, a pin hole 64, and a movable rod 65. The movable rod 65 has mounting blocks 62 at both ends, connecting sleeves 63 on both sides of the surface of the movable rod 65, a pin hole 64 at the upper end of the connecting sleeve 63, and four sets of fixing seats 61 on the upper sides and middle of the movable rod 65.

[0023] By adopting the above technical solution, the fixed seat 61 is separated from the pin hole 64, the connecting sleeve 63 moves on the movable rod 65, the connecting sleeve 63 stops at both ends of the movable rod 65, the fixed seat 61 is inserted into the pin hole 64, so that the connecting sleeve 63 is quickly fixed, the adjustable shoulder strap 5 is separated, realizing the quick switching from one shoulder to two shoulders, the adjustment and fixing are convenient, and time and effort are saved.

[0024] Specifically, the fixed base 61 includes a base body 611, a movable groove 612, a pin 613, a toggle block 614, and a return spring 615. The movable groove 612 is provided inside the base body 611, and the return spring 615 is provided at the top of the movable groove 612. The pin 613 is connected to the lower end of the return spring 615, and the toggle block 614 is provided at the upper side of the pin 613.

[0025] By adopting the above technical solution, the actuating block 614 is pulled to retract the pin 613 into the movable groove 612, the pin 613 separates from the pin hole 64, the connecting sleeve 63 moves on the movable rod 65, the connecting sleeve 63 stops at both ends of the movable rod 65, and the pin 613 is inserted into the pin hole 64 under the elastic force of the return spring 615, so that the connecting sleeve 63 is quickly fixed.

[0026] Specifically, the pin 613 is always inserted into the pin hole 64 under the elastic force of the return spring 615.

[0027] By adopting the above technical solution, rapid fixation is ensured, preventing detachment from affecting use.

[0028] In this embodiment, when the toggle block 614 is pulled, the pin 613 is retracted into the movable groove 612, the pin 613 is separated from the pin hole 64, the connecting sleeve 63 moves on the movable rod 65, and the connecting sleeve 63 stops at both ends of the movable rod 65. Under the elastic force of the return spring 615, the pin 613 is inserted into the pin hole 64, so that the connecting sleeve 63 is quickly fixed and the adjustable shoulder strap 5 is separated, realizing a quick switch from one shoulder to two shoulders. The adjustment and fixing are convenient, saving time and effort.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that the adjustable shoulder strap 5 includes a first shoulder strap 51, a Velcro female attachment 52, a Velcro female attachment 54, and a second shoulder strap 56. The second shoulder strap 56 is provided on one side of the first shoulder strap 51, the Velcro female attachment 52 is provided on the side of the first shoulder strap 51 near the second shoulder strap 56, and the Velcro female attachment 54 is provided on the side of the second shoulder strap 56 near the first shoulder strap 51.

[0031] By adopting the above technical solution, shoulder strap 1 51 and shoulder strap 2 56 are glued and fixed together by Velcro female sticker 52 and Velcro female sticker 54, which facilitates the switching between single-shoulder and double-shoulder use.

[0032] Specifically, the surface of shoulder strap 51 located on the side of the Velcro female attachment 52 is provided with several magnetic pieces 53, and the surface of shoulder strap 56 located on the side of the Velcro female attachment 54 is provided with several magnetic pieces 55. The magnetic pieces 53 and the magnetic pieces 55 are magnetically connected.

[0033] By adopting the above technical solution, the magnetic attraction connection between magnetic piece 1 53 and magnetic piece 2 55 further improves the reliability of the connection between shoulder strap 1 51 and shoulder strap 2 56, making it convenient to switch between single-shoulder and double-shoulder use.

[0034] In this embodiment, shoulder strap 1 51 and shoulder strap 2 56 are fixed together by Velcro female sticker 52 and Velcro female sticker 54. Shoulder strap 1 51 and shoulder strap 2 56 are respectively provided with magnetic piece 1 53 and magnetic piece 2 55 on their sides. The magnetic attraction between magnetic piece 1 53 and magnetic piece 2 55 further improves the connection between shoulder strap 1 51 and shoulder strap 2 56, making it convenient to switch between single-shoulder and double-shoulder use.

[0035] The working principle and usage process of this utility model are as follows: When using this utility model, pull the actuating block 614 to retract the pin 613 into the movable groove 612, separating the pin 613 from the pin hole 64. The connecting sleeve 63 moves on the movable rod 65 and stops at both ends of the movable rod 65. Under the elastic force of the return spring 615, the pin 613 is inserted into the pin hole 64, quickly fixing the connecting sleeve 63. The adjustable shoulder strap 5 separates, realizing a quick switch from single-shoulder to double-shoulder use. The adjustment and fixing are convenient, saving time and effort. Shoulder strap 1 51 and shoulder strap 2 56 are fixed together by Velcro female sticker 52 and Velcro female sticker 54. The sides of shoulder strap 1 51 and shoulder strap 2 56 are respectively provided with magnetic piece 1 53 and magnetic piece 2 55. The magnetic attraction of magnetic piece 1 53 and magnetic piece 2 55 further improves the connection reliability of shoulder strap 1 51 and shoulder strap 2 56, facilitating the switch from single-shoulder to double-shoulder use.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A backpack that allows for convenient switching between single and double shoulder straps, comprising a backpack body (3), characterized in that: The backpack body (3) has a handle (1) at the top center, a back panel (2) at the upper back of the backpack body (3), a bottom plate (4) at the bottom of the backpack body (3), and fixing components (6) at the bottom of the bottom plate (4) and the side of the back panel (2). An adjustable shoulder strap (5) is connected between the two sets of fixing components (6).

2. The backpack that allows for convenient switching between single and double shoulder straps according to claim 1, characterized in that: The fixing component (6) includes a fixing seat (61), a mounting block (62), a connecting sleeve (63), a pin hole (64), and a movable rod (65). The movable rod (65) has mounting blocks (62) at both ends, connecting sleeves (63) on both sides of the surface of the movable rod (65), a pin hole (64) at the upper end of the connecting sleeve (63), and four sets of fixing seats (61) on the upper sides and in the middle of the movable rod (65).

3. A backpack that allows for convenient switching between single and double shoulder straps according to claim 2, characterized in that: The fixed base (61) includes a base body (611), a movable groove (612), a pin (613), a toggle block (614), and a return spring (615). The base body (611) has a movable groove (612) inside, a return spring (615) is provided at the top of the movable groove (612), the lower end of the return spring (615) is connected to the pin (613), and the upper side of the pin (613) is provided with a toggle block (614).

4. A backpack that allows for convenient switching between single and double shoulder straps according to claim 3, characterized in that: The pin (613) is always inserted into the pin hole (64) under the elastic force of the return spring (615).

5. A backpack that allows for convenient switching between single and double shoulder straps according to claim 1, characterized in that: The adjustable shoulder strap (5) includes a first shoulder strap (51), a Velcro female (52), a Velcro female (54), and a second shoulder strap (56). The second shoulder strap (56) is provided on one side of the first shoulder strap (51), the Velcro female (52) is provided on the side of the first shoulder strap (51) near the second shoulder strap (56), and the Velcro female (54) is provided on the side of the second shoulder strap (56) near the first shoulder strap (51).

6. A backpack that allows for convenient switching between single and double shoulder straps according to claim 5, characterized in that: The shoulder strap one (51) has several magnetic pieces one (53) on the surface of the side of the hook and loop fastener (52), and the shoulder strap two (56) has several magnetic pieces two (55) on the surface of the side of the hook and loop fastener (54). The magnetic pieces one (53) and the magnetic pieces two (55) are magnetically connected.

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