Schoolbag with straps easy to mount and dismount
By using fixed components and a guide limiting structure, the problem of cumbersome installation and disassembly of traditional backpack straps is solved, enabling quick connection and separation of the straps from the backpack body, adapting to different usage scenarios, and improving user comfort and stability.
Patent Information
- Application Number
- CN202520738701.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-18
AI Technical Summary
The installation and removal of traditional backpack straps is cumbersome, difficult to replace and clean, and cannot be quickly changed according to the usage scenario.
It adopts a fixed component, including a structure of clips, inserts, push plates and magnets, so that the straps can be quickly connected and separated from the main body of the backpack by inserting and pulling out the inserts. Combined with guide grooves and limiting structures, it ensures stability and convenience.
It enables simple and quick installation and disassembly of the shoulder straps and the main body of the backpack, saving time and effort, adapting to different usage scenarios, and improving the comfort and stability of the shoulder straps.
Smart Images
Figure CN223873483U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to schoolbag shoulder strap technical field especially relates to a schoolbag of easy installation dismounting shoulder strap. BACKGROUND
[0002] The traditional schoolbag shoulder strap is usually connected with the schoolbag body through sewing or other fixing mode, and this connection mode has many inconveniences. For example, when the shoulder strap needs to be replaced due to damage, professional tools are often needed to spend much time and effort to operate such as thread dismounting and reinstallation; when the shoulder strap is dirty and needs to be cleaned, the cleaning process is tedious and difficult to clean completely due to the inconvenience of dismounting; in addition, the fixed shoulder strap cannot meet the needs of users to quickly change the shape of the shoulder strap (such as changing from double shoulder to single shoulder) or to individually replace the shoulder strap according to different use scenarios. Therefore, it is necessary to design a convenient schoolbag shoulder strap which can easily realize the installation and dismounting function to solve the above problems of the existing schoolbag shoulder strap. SUMMARY
[0003] The utility model aims at solving the problems mentioned in the background art and provides a schoolbag with easy installation and dismounting shoulder strap.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a schoolbag with easy installation and dismounting shoulder strap, comprising a schoolbag body and a shoulder strap body, the surface of the schoolbag body is fixedly connected with a connecting belt, one end of the connecting belt is fixedly connected with a fixing frame, one end of the shoulder strap body is fixedly connected with a sleeve, the sleeve is inserted into the inside of the fixing frame, and the fixing frame and the sleeve are fixedly connected through a fixing assembly.
[0005] The fixing assembly comprises a clamping block and a plug rod, the clamping block is fixedly connected with the fixing frame, the surface of the fixing frame is provided with a plug hole, the plug rod is inserted into the inside of the plug hole and the sleeve, the surface of the plug rod is provided with a fixing groove, the surface of the clamping block is provided with a circular hole, the inside of the clamping block is provided with a sliding groove, the inside of the sliding groove is slidably connected with a fixing rod, the fixing rod is inserted into the inside of the fixing groove, the surface of the fixing rod is fixedly connected with a spring and a push plate, and the top end of the spring is fixedly connected with the top of the sliding groove.
[0006] Preferably, the surface of the push plate is fixedly connected with rubber protrusions, and the rubber protrusions are evenly distributed on the surface of the push plate.
[0007] Preferably, the inside of the fixing groove is fixedly connected with a magnet, and the magnet is magnetically connected with the fixing rod.
[0008] Preferably, the inside surface of the fixing frame is provided with a limiting groove, the surface of both ends of the sleeve is fixedly connected with a limiting block, and the limiting block is slidably connected in the inside of the limiting groove.
[0009] Preferably, the outer layer of the back strap body is made of nylon material, and the inner layer is filled with sponge.
[0010] Preferably, the inner part of the insertion hole and the sleeve is respectively provided with a guide groove one and a guide groove two, and the surface of the insertion rod is fixedly connected with a guide rod, and the guide rod is slidingly connected in the inner part of the guide groove one and the guide groove two.
[0011] Compared with the prior art, the utility model has the advantages and positive effects that:
[0012] 1、 in the utility model, the insertion rod of the fixed assembly is inserted into the inner part of the fixed frame and the sleeve, and the fixed rod in the clamping block is inserted into the fixed slot on the insertion rod under the action of the spring, so that the purpose of fixing the back strap body and the schoolbag body together is achieved, and the back strap body is also convenient to disassemble by moving the push plate, so that the installation and disassembly between the back strap and the schoolbag body become extremely simple and fast, ordinary users can easily operate without the help of complex tools, whether it is to replace the back strap or to clean and other needs, can be efficiently completed, greatly saving time and effort.
[0013] 2、 in the utility model, the guide rod is clamped in the inner part of the guide groove one and the guide groove two and slides, so that the insertion rod inserted into the inner part of the insertion hole and the sleeve is guided and limited, so that the fixed slot on the insertion rod can be quickly aligned with the slot of the sliding groove in the clamping block, the fixed rod is conveniently inserted into the inner part of the fixed slot, and the working efficiency of the back strap body fixing is further improved. DRAWINGS
[0014] Figure 1 A schematic view of the utility model is provided for a schoolbag with easily mounted and disassembled back strap;
[0015] Figure 2 A schematic view of the utility model is provided for a schoolbag with easily mounted and disassembled back strap;
[0016] Figure 3 A schematic view of the utility model is provided for a schoolbag with easily mounted and disassembled back strap Figure 3 An enlarged view of A in the utility model;
[0017] Figure 4 A schematic view of the utility model is provided for a schoolbag with easily mounted and disassembled back strap;
[0018] Figure 5 A schematic view of the utility model is provided for a schoolbag with easily mounted and disassembled back strap;
[0019] Legend:
[0020] 1. Backpack body; 2. Shoulder strap body; 3. Connecting strap; 4. Fixing frame; 5. Fixing components; 501. Clip; 502. Insert rod; 503. Round hole; 504. Slide groove; 505. Fixing rod; 506. Spring; 507. Push plate; 6. Sleeve; 7. Guide rod; 8. Insertion hole; 9. Guide groove one; 10. Fixing groove; 11. Guide groove two; 12. Limiting block; 13. Limiting groove; 14. Magnet; 15. Rubber protrusion. Detailed Implementation
[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0023] Example 1: As Figure 1 - Figure 5 As shown, this utility model provides a technical solution: a backpack with an easy-to-install and detachable shoulder strap, including a backpack body 1 and a shoulder strap body 2. A connecting strap 3 is fixedly connected to the surface of the backpack body 1. A fixing frame 4 is fixedly connected to one end of the connecting strap 3. A sleeve 6 is fixedly connected to the inside of one end of the shoulder strap body 2. The sleeve 6 is inserted into the inside of the fixing frame 4. The fixing frame 4 and the sleeve 6 are fixedly connected by a fixing component 5.
[0024] The fixing component 5 includes a locking block 501 and a plug rod 502. The locking block 501 is fixedly connected to the fixing frame 4. The fixing frame 4 has a socket 8 on its surface. The plug rod 502 is inserted into the socket 8 and the sleeve 6. The plug rod 502 has a fixing groove 10 on its surface. The locking block 501 has a round hole 503 on its surface. The locking block 501 has a sliding groove 504 inside its surface. A fixing rod 505 is slidably connected inside the sliding groove 504. The fixing rod 505 is inserted into the fixing groove 10. A spring 506 and a push plate are fixedly connected to the surface of the fixing rod 505. 507, the top of the spring 506 is fixedly connected to the top of the slide groove 504, the surface of the push plate 507 is fixedly connected with rubber protrusions 15, the rubber protrusions 15 are evenly distributed on the surface of the push plate 507, the inside of the fixing groove 10 is fixedly connected with a magnet 14, the magnet 14 is magnetically connected to the fixing rod 505, the inner surface of the fixing frame 4 is provided with a limiting groove 13, the two ends of the sleeve 6 are fixedly connected with limiting blocks 12, the limiting blocks 12 are slidably connected inside the limiting groove 13, the outer layer of the shoulder strap body 2 is made of nylon material, and the inner layer is filled with sponge.
[0025] In the embodiment, by inserting the insertion rod 502 of the fixing assembly 5 into the inside of the fixing frame 4 and the sleeve 6, and inserting the fixing rod 505 in the clamping block 501 into the fixing groove 10 on the insertion rod 502 under the action of the spring 506, the purpose of fixing the backpack body 1 and the strap body 2 together is achieved, and the strap body 2 is also convenient to disassemble by moving the push plate 507, so that the installation and disassembly between the strap and the backpack body 1 become extremely simple and fast, ordinary users can easily operate without the help of complex tools, whether it is to replace the strap or to clean and other needs, it can be efficiently completed, greatly saving time and effort, the rubber protrusions 15 evenly distributed on the surface of the push plate 507 increase the friction between the push plate 507 and the fingers, and the hand slip situation is not easy to occur, the magnet 14 in the fixing groove 10 is magnetically connected with the fixing rod 505, which can play an auxiliary fixing role and enhance the stability of the fixing, so as to ensure that the strap will not loosen during normal use, the limiting groove 13 on the inside of the fixing frame 4 and the limiting block 12 at both ends of the sleeve 6 are slidingly connected, which can accurately limit the position of the sleeve 6 inserted into the fixing frame 4, prevent the sleeve 6 from being excessively left and right, up and down offset and other situations in the fixing frame 4, so that the insertion rod 502 is more convenient to insert into the sleeve 6, the strap body 2 made of nylon material and sponge can resist daily friction and scratching, prolong the service life of the strap, and effectively reduce the pressure of the backpack weight on the shoulders through the elasticity of the sponge, so that the user will not feel the shoulder when carrying the backpack for a long time, greatly improving the comfort of the user when carrying the backpack.
[0026] Embodiment 2: as shown in Figure 3 Figure 5 The insertion hole 8 and the inside of the sleeve 6 are respectively provided with a guide groove one 9 and a guide groove two 11, and the surface of the insertion rod 502 is fixedly connected with a guide rod 7, and the guide rod 7 is slidingly connected in the inside of the guide groove one 9 and the guide groove two 11.
[0027] In the embodiment, the guide rod 7 is clamped in the inside of the guide groove one 9 and the guide groove two 11 to slide, which realizes the guiding and limiting effect of the insertion rod 502 inserted into the inside of the insertion hole 8 and the sleeve 6, so that the fixing groove 10 on the insertion rod 502 can be quickly aligned with the slot of the sliding groove 504 in the clamping block 501, the fixing rod 505 is conveniently inserted into the inside of the fixing groove 10, and the working efficiency of the fixing of the strap body 2 is further improved.
[0028] The working principle of the embodiment is as follows: in use, first, the sleeve 6 at one end of the back strap body 2 is inserted into the inside of the fixing frame 4, and the limiting block 12 on the sleeve 6 is inserted into the limiting groove 13 on the inside of the fixing frame 4, so that the position of the sleeve 6 inserted into the fixing frame 4 is accurately limited, preventing the sleeve 6 from excessively deviating left and right, up and down, etc. in the fixing frame 4, so that the insertion rod 502 is more convenient to insert into the sleeve 6, then the index finger and the middle finger hold the push plate 507, the thumb is against the top of the clamping block 501, then the push plate 507 is pulled, the rubber protrusions 15 evenly distributed on the surface of the push plate 507 increase the friction between the push plate 507 and the fingers, and the hands are not easy to slip, then the insertion rod 502 of the fixing assembly 5 is inserted into the inside of the insertion hole 8, the sleeve 6 and the circular hole 503, then the push plate 507 is released, the fixing rod 505 is rapidly inserted into the fixing groove 10 on the insertion rod 502 under the elastic force of the spring 506, the purpose of fixing the back strap body 2 and the schoolbag body 1 together is achieved, and the back strap body 2 is also convenient to disassemble by moving the push plate 507, so that the installation and disassembly between the back strap and the schoolbag body 1 become extremely simple and fast, ordinary users can easily operate without the help of complex tools, whether it is to replace the back strap or to clean, etc., can be efficiently completed, greatly saving time and effort, when the insertion rod 502 is inserted into the inside of the insertion hole 8 and the sleeve 6, the guide rod 7 is clamped in the inside of the guide groove one 9 and the guide groove two 11 and slides, the guide and limiting effect of the insertion rod 502 inserted into the inside of the insertion hole 8 and the sleeve 6 is achieved, so that the fixing groove 10 on the insertion rod 502 can be quickly aligned with the slot of the sliding groove 504 in the clamping block 501, the fixing rod 505 is conveniently inserted into the inside of the fixing groove 10, and the working efficiency of the fixing of the back strap body 2 is further improved, when the fixing rod 505 is inserted into the inside of the fixing groove 10, the fixing rod 505 is magnetically attracted together with the magnet 14 in the fixing groove 10, further playing an auxiliary fixing role, enhancing the stability of the fixing, and ensuring that the back strap will not loosen in the normal use process.
[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still falls within the protection scope of the technical scheme of the present application.
Claims
1. A book bag with easily mounted and removed straps, comprising a book bag body (1) and a strap body (2), characterized in that: The surface of the schoolbag body (1) is fixedly connected with a connecting belt (3), one end of the connecting belt (3) is fixedly connected with a fixing frame (4), one end of the shoulder strap body (2) is fixedly connected with a sleeve (6) in the inside, the sleeve (6) is inserted into the inside of the fixing frame (4), and the fixing frame (4) and the sleeve (6) are fixedly connected through a fixing assembly (5). The fixing assembly (5) comprises a clamping block (501) and a plug rod (502), the clamping block (501) is fixedly connected with the fixing frame (4), the surface of the fixing frame (4) is provided with a plug hole (8), the plug rod (502) is inserted into the inside of the plug hole (8) and the sleeve (6), the surface of the plug rod (502) is provided with a fixing groove (10), the surface of the clamping block (501) is provided with a circular hole (503), the inside of the clamping block (501) is provided with a sliding groove (504), the sliding groove (504) is slidably connected with a fixing rod (505) in the inside, the fixing rod (505) is inserted into the inside of the fixing groove (10), the surface of the fixing rod (505) is fixedly connected with a spring (506) and a push plate (507), and the top end of the spring (506) is fixedly connected with the top of the sliding groove (504).
2. The easy-on and off harness-equipped backpack of claim 1, wherein: The surface of the push plate (507) is fixedly connected with rubber protrusions (15), and the rubber protrusions (15) are uniformly distributed on the surface of the push plate (507).
3. The easy-on and off harness-equipped backpack of claim 1, wherein: The inside of the fixing groove (10) is fixedly connected with a magnet (14), and the magnet (14) is magnetically connected with the fixing rod (505).
4. The easy-on and off harness-equipped backpack of claim 1, wherein: The inside surface of the fixing frame (4) is provided with a limiting groove (13), and the surfaces of both ends of the sleeve (6) are fixedly connected with limiting blocks (12) which are slidably connected in the inside of the limiting groove (13).
5. The easy-on and off harness-equipped backpack of claim 1, wherein: The outer layer of the shoulder strap body (2) is made of nylon material, and the inner layer is filled with sponge.
6. The easy-on and off harness-equipped backpack of claim 1, wherein: The inside of the plug hole (8) and the sleeve (6) is respectively provided with a guide groove one (9) and a guide groove two (11), and the surface of the plug rod (502) is fixedly connected with a guide rod (7) which is slidably connected in the inside of the guide groove one (9) and the guide groove two (11).