Luggage and its fixing structure for tie straps

Abstract

The present invention belongs to the technical field of daily necessities, and particularly relates to a luggage case and a fixing structure for a binding strap thereof. The fixing structure for the binding strap includes a binding strap, a fastening assembly and a zipper. The zipper is provided with a first pull head, and a through hole is formed in the first pull head. The binding strap is passed through the through hole. The fastening assembly includes a first fastening member and a second fastening member. The first fastening member and the second fastening member are respectively connected to two ends of the binding strap, and the first fastening member and the second fastening member can be fastened to each other. When the zipper in the fixing structure for the binding strap is arranged on the box body of the luggage case, since the binding strap is passed through the through hole of the first pull head, the binding strap and the luggage case are connected as a whole, thereby solving the problem that the binding strap is easily lost. In addition, when in use, the binding strap fixed on the luggage case can be directly used, without spending time looking for the binding strap, and the use of the binding strap is more convenient, time-saving and labor-saving.

Description

Technical Field

[0001] The present invention belongs to the technical field of daily necessities, and particularly relates to a luggage case and a fixing structure for its binding straps. Background Art

[0002] With the improvement of people's living standards, more and more people choose to travel as a way of leisure vacation. When traveling, it is usually necessary to carry a luggage case to load clothes, daily necessities and other items to reduce the travel burden. However, when the existing luggage case is extruded by external force, it is extremely easy to burst, causing the scattered loss of items. To solve this problem, it is usually necessary to use binding straps to tie around the luggage case. However, the existing binding straps are usually tied to the luggage case independently, which may cause the binding straps to be easily lost, thus resulting in inconvenient use. Summary of the Invention

[0003] The purpose of the present invention is to provide a luggage case and a fixing structure for its binding straps, aiming to solve the technical problem that the binding straps in the prior art are easily lost.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a fixing structure for binding straps, comprising a binding strap, a buckling assembly and a zipper. The zipper is provided with a first pull head, and a through hole is formed in the first pull head. The binding strap is passed through the through hole. The buckling assembly includes a first buckling member and a second buckling member. The first buckling member and the second buckling member are respectively connected to two ends of the binding strap, and the first buckling member and the second buckling member can be buckled with each other.

[0005] Optionally, the binding strap includes a fixed section and two connecting sections. Two ends of the fixed section are respectively connected to the two connecting sections. The fixed section is passed through the through hole. One end of the fixed section passes through the through hole and then is folded back and fixedly connected to the other end of the fixed section. The first buckling member and the second buckling member are respectively connected to the two connecting sections.

[0006] Optionally, at least two through holes are provided on the first pull head, and the through holes are arranged at intervals. The binding strap is sequentially passed through each through hole.

[0007] Optionally, a notch for allowing the binding strap to be snapped into the through hole is provided on the side wall of the through hole, and the width of the notch is smaller than the width of the binding strap.

[0008] Optionally, the first pull head further includes a first locking rod. The first locking rod is movably connected to the first pull head and is located at the notch for opening or closing the notch.

[0009] Optionally, the first end of the first locking rod is rotatably connected to a portion of the first slider on one side of the notch, and the second end of the first locking rod is snap-fitted with a portion of the first slider on the other side of the notch.

[0010] Optionally, the first slider includes a tab for a person to hold, and the through hole is provided on the tab.

[0011] Optionally, a second slider is provided on the zipper opposite to the first slider, and a card slot for fixing the binding strap is provided on the second slider.

[0012] Optionally, the second slider further includes a second locking rod, which is movably installed at the opening of the card slot and is used to close or open the opening of the card slot.

[0013] One or more of the above technical solutions in the binding strap fixing structure provided by the present invention have at least the following technical effects: When the binding strap fixing structure is applied to a suitcase, the zipper is provided on the box body of the suitcase. Since the binding strap is threaded through the through hole of the first slider, the binding strap and the suitcase are connected as a whole, thus solving the problem that the binding strap is easily lost. In addition, when in use, the binding strap fixed on the suitcase can be directly used without spending time looking for the binding strap, making the use of the binding strap more convenient, time-saving and labor-saving.

[0014] Another technical solution adopted by the present invention is: a suitcase, including a box body and the above binding strap fixing structure, and the zipper is provided on the box body.

[0015] For the suitcase of the present invention, due to the adoption of the above binding strap fixing structure, on the one hand, the binding strap is bundled outside the box body, improving the safety of using the suitcase; on the other hand, the binding strap and the suitcase are connected as a whole, thus solving the problem that the binding strap is easily lost. In addition, when in use, the binding strap fixed on the suitcase can be directly used without spending time looking for the binding strap, making the use of the binding strap more convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic structural diagram of a first perspective in which the binding strap in the binding strap fixing structure provided by the embodiment of the present invention is threaded through the first slider and the second slider.

[0018] Figure 2 is Figure 1 The partial enlarged view at position A in

[0019] Figure 3 is Figure 1 The schematic structural diagram of the second perspective of the binding strap passing through the first slider and the second slider in the binding strap fixing structure shown in

[0020] Figure 4 is Figure 3 The partial enlarged view at position B in

[0021] Figure 5 The schematic structural diagram of the binding strap passing through the first slider in the binding strap fixing structure provided by another embodiment of the present invention.

[0022] Figure 6 is Figure 5 The partial enlarged view at position C in

[0023] Figure 7 is Figure 6 The schematic structural diagram of the second slider in the binding strap fixing structure shown in

[0024] Figure 8 The schematic structural diagram of the first slider in the binding strap fixing structure provided by another embodiment of the present invention.

[0025] Figure 9 The schematic structural diagram of the first slider (second slider) in the binding strap fixing structure provided by another embodiment of the present invention.

[0026] Among them, each reference numeral in the figure:

[0027] 10 - binding strap, 11 - fixed section, 12 - connecting section

[0028] 20 - fastening assembly, 21 - first fastening member, 22 - second fastening member

[0029] 30 - zipper, 31 - first slider, 32 - second slider

[0030] 311 - threading hole, 312 - first locking rod, 313 - pull tab

[0031] 314 - slider body, 315 - rotating shaft, 316 - protrusion

[0032] 321 - card slot, 322 - second locking rod, 3111 - notch

[0033] 3121 - first rotating hole, 3122 - groove. Detailed implementation manners

[0034] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The following is by reference to the attached Figures 1 to 9 The described embodiments are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0036] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0037] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] As Figures 1 to 9 shown, in an embodiment of the present invention, a fixing structure for a binding strap is provided, which is mainly provided on items such as a luggage case, a backpack, and clothes. The fixing knot of the binding strap 10 includes a binding strap 10, a fastening assembly 20, and a zipper 30. Among them, the zipper 30 is provided on the corresponding luggage case body, backpack, clothes, etc.; further, the zipper 30 is provided with a first pull head 31, and a threading hole 311 is opened on the first pull head 31. The binding strap 10 is threaded through the threading hole 311. The fastening assembly 20 includes a first fastening member 21 and a second fastening member 22. The first fastening member 21 and the second fastening member 22 are respectively connected to both ends of the binding strap 10, and the first fastening member 21 and the second fastening member 22 can be fastened to each other.

[0039] The following takes the application of the bundling belt fixing structure to a luggage case as an example for illustration. When the bundling belt fixing structure of the embodiment of the present invention is applied to a luggage case, its zipper 30 is arranged on the case body of the luggage case. Since the bundling belt 10 is threaded through the threading hole 311 of the first slider 31, the bundling belt 10 and the luggage case are connected as a whole, thus solving the problem that the bundling belt 10 is easily lost. In addition, when in use, the bundling belt 10 fixed on the luggage case can be directly used, without spending time looking for the bundling belt 10, making the use of the bundling belt 10 more convenient, time-saving and labor-saving.

[0040] In this embodiment, when the luggage case needs to be bundled, the bundling belt 10 connected to the first slider 31 is directly wound around the periphery of the luggage case and the first fastening member 21 and the second fastening member 22 are fastened together, thus completing the bundling of the luggage case; when the luggage case does not need to be bundled, the bundling belt 10 is directly hung on the first slider 31, facilitating the use of the bundling belt 10.

[0041] Optionally, the first fastening member 21 and the second fastening member 22 can be respectively the male buckle or the female buckle in the snap fastener, or the first fastening member 21 and the second fastening member 22 can be respectively the male buckle or the female buckle in the press fastener. The female buckle is inserted into the male buckle to realize the bundling of the bundling belt 10; of course, in other embodiments, it can also be other fastening structures.

[0042] In another embodiment of the present invention, refer to Figure 5 and Figure 6 As shown, the bundling belt 10 of the provided bundling belt fixing structure includes a fixed section 11 and two connecting sections 12. The two ends of the fixed section 11 are respectively connected to the two connecting sections 12. The fixed section 11 is threaded through the threading hole 311. One end of the fixed section 11 passes through the threading hole 311 and then is folded back and fixedly connected to the other end of the fixed section 11. The first fastening member 21 and the second fastening member 22 are respectively connected to the two connecting sections 12.

[0043] Specifically, the fixed section 11 is threaded through the threading hole 311, and the two ends of the fixed section 11 are fixedly connected to form a closed-loop structure, so that the bundling belt 10 cannot slide back and forth in the threading hole 311. In this way, the bundling belt 10 is completely fixed on the first slider 31, and the first slider 31 and the bundling belt 10 are connected as a whole, which can completely avoid the problem that the bundling belt 10 detaches from the luggage case and is lost; the fixed section 11 is mainly used to connect with the first slider 31, and the two connecting sections 12 are wound around the periphery of the case body, and the first fastening member 21 and the second fastening member 22 on the two connecting sections 12 are fastened together to realize the bundling of the luggage case.

[0044] Optionally, after the two ends of the fixed section 11 are relatively stacked and overlapped, the two ends of the fixed section 11 can be fixedly connected by means of sewing with a needle and thread, gluing or hot pressing, so as to realize the reliable connection between the first pull head 31 and the binding strap 10. Of course, in other embodiments, the two ends of the fixed section 11 can also be connected by other fixed connection methods.

[0045] Optionally, the lengths of the two connecting sections 12 can be the same or different, and the specific lengths can be selected according to the usage requirements and appearance requirements of the luggage.

[0046] Optionally, the fixed section 11 and the two connecting sections 12 are of an integral structure. For example, the binding strap 10 can be woven from the same material; of course, in other embodiments, the materials of the fixed section 11 and the two connecting sections 12 can be completely different, and they can be selected according to actual usage requirements.

[0047] In another embodiment of the present invention, refer to Figure 1 and Figure 2 As shown, at least two through holes 311 are provided on the first pull head 31 of the binding strap fixing structure provided, and the through holes 311 are arranged at intervals, and the binding strap 10 is sequentially passed through each through hole 311.

[0048] Specifically, the binding strap 10 is sequentially passed back and forth through more than two through holes 311. In this way, the resistance of the binding strap 10 sliding back and forth in the through holes 311 is greater, and the relative position of the binding strap 10 connected to the first pull head 31 is fixed. In this way, during the use of the luggage, the fixing position of the binding strap 10 is relatively fixed, which is also convenient for the storage of the binding strap 10, and prevents the first fastening member 21 or the second fastening member 22 of the binding strap 10 from falling to the ground and being damaged due to sliding back and forth in the through holes 311; more specifically, the through holes 311 are arranged side by side at intervals or staggeredly at intervals.

[0049] In another embodiment of the present invention, refer to Figure 8 As shown, a notch 3111 for allowing the binding strap 10 to be snapped into the through hole 311 is provided on the side wall of the through hole 311 of the binding strap fixing structure provided, and the width of the notch 3111 is smaller than the width of the binding strap 10.

[0050] Specifically, the cross-sectional shape of the threading hole 3111 is C-shaped. Since the width of the binding strap 10 is greater than the width of the notch 3111, the binding strap 10 is thus restricted within the threading hole 311, realizing the connection between the binding strap 10 and the first pull head 31, and thus realizing the connection between the binding strap 10 and the box body; if the binding strap 10 can be bent, then by bending the binding strap 10 along its width direction and taking it out from the notch 3111, the separation between the binding strap 10 and the box body is realized. In this way, the binding strap 10 can meet the usage requirements of people for fixing on the box body and can also meet the usage requirements of people for separating the binding strap 10 from the box body. The use of the binding strap 10 is more diversified, more convenient and faster.

[0051] In another embodiment of the present invention, refer to Figure 9 As shown, the first pull head 31 of the provided binding strap fixing structure further includes a first locking rod 312. The first locking rod 312 is movably connected to the first pull head 31 and is located at the notch 3111 for opening or closing the notch 3111.

[0052] Specifically, when the binding strap 10 needs to be fixed on the box body, the binding strap 10 is threaded through the threading hole 311. At the same time, the first locking rod 312 closes the notch 3111, thereby stably and reliably restricting the binding strap 10 within the threading hole 311, preventing the binding strap 10 from disengaging from the threading hole 311 through the notch 3111 and preventing the loss of the binding strap 10; when the binding strap 10 is not needed for the suitcase, the first locking rod 312 opens the notch 3111, so that the binding strap 10 can disengage from the threading hole 311 through the notch 3111, thereby realizing the separation between the box body of the suitcase and the binding strap 10 and facilitating the separate use of the binding strap 10 and the suitcase.

[0053] In another embodiment of the present invention, refer to Figure 9 As shown, the first end of the first locking rod 312 of the provided binding strap fixing structure is rotatably connected to the part of the first pull head 31 on one side of the notch 3111, and the second end of the first locking rod 312 is snap-connected to the part of the first pull head 31 on the other side of the notch 3111.

[0054] Specifically, when the binding strap 10 needs to be separated from the box body, directly push the first locking rod 312 to rotate relative to the first pull head 31, so that the second end of the first locking rod 312 disengages from the first pull head 31, thereby opening the notch 3111, facilitating the disassembly of the binding strap 10, and the operation is simple; when the binding strap 10 is located within the threading hole 311, the second end of the first locking rod 312 is snap-connected to the first pull head 31, and the connection between the first locking rod 312 and the first pull head 31 is more reliable and stable. The first locking rod 312 will not separate from the first pull head 31 due to reasons such as vibration or slight force, resulting in the accidental separation of the binding strap 10 from the first pull head 31 and loss.

[0055] Optionally, the first slider 31 further includes a rotating shaft 315. A first rotating hole 3121 is provided at the first end of the first locking rod 312, and a second rotating hole (not shown in the figure) is provided on the part of the first slider 31 close to the notch 3111. The rotating shaft 315 is sequentially inserted into the first rotating hole 3121 and the second rotating hole. By rotating the rotating shaft 315 in the first rotating hole 3121 or the second rotating hole, the rotation of the first locking rod 312 relative to the first slider 31 is realized, and further the opening and closing of the notch 3111 are realized.

[0056] Optionally, a groove 3122 or a protrusion 316 is provided at the second end of the first locking rod 312, and a corresponding protrusion 316 or groove 3122 is also provided at the corresponding position of the first slider 31. The protrusion 316 is press-fitted into the groove 3122, so as to realize the engagement between the first locking rod 312 and the first slider 31, making the closing of the notch 3111 more stable and reliable; when the notch 3111 needs to be opened, the protrusion 316 and the groove 3122 are separated. Its structure is simple, easy to use, and can stably lock the binding belt 10 on the first slider 31.

[0057] In another embodiment of the present invention, refer to Figure 6 As shown, the first slider 31 of the provided binding belt fixing structure includes a tab 313 for a person to hold, and the threading hole 311 is provided on the tab 313.

[0058] Specifically, the threading hole 311 is provided on the tab 313, and the binding belt 10 is connected to the tab 313. In this way, when designing, only the structure of the tab 313 needs to be changed, without changing the structure of the slider body 314 and the entire zipper 30 on the luggage. The production of this binding belt fixing structure is more convenient and the cost is lower.

[0059] Optionally, the first slider 31 includes a tab 313 and a slider body 314. The tab 313 is usually movably installed on the slider body 314, and the tab 313 can move relative to the slider body 314. In this way, the binding belt 10 can rotate relative to the slider body 314, so that the binding belt 10 can be tied to the box at different angles, thus playing a good marking role and facilitating the user to quickly find their own luggage.

[0060] Furthermore, it should be noted that two chains with teeth of the zipper 30 are inserted into the slider body 314, and through the movement of the slider body 314 on the two chains, the engagement or separation of the teeth is realized, so as to realize the closing and opening of the chains. The two chains are used to be installed on the box.

[0061] In another embodiment of the present invention, refer to Figure 3 、 Figure 4 andFigure 6 As shown, a second pull head 32 is provided on the zipper 30 of the provided binding belt fixing structure, which is disposed opposite to the first pull head 31. Combining Figure 7 As shown, a card slot 321 for fixing the binding belt 10 is provided on the second pull head 32.

[0062] Specifically, the first pull head 31 and the second pull head 32 are disposed opposite to each other. When the first pull head 31 and the second pull head 32 move closer to each other, the zipper 30 is gradually closed, thereby gradually closing the box body; when the first pull head 31 and the second pull head 32 move away from each other, the zipper 30 is gradually opened, thereby gradually opening the box body; when the luggage needs to be bundled, first move the first pull head 31 and the second pull head 32 to the same position. At this time, the zipper 30 is in a completely closed state. Then, pass the binding belt 10 passing through the through hole 311 of the first pull head 31 through the card slot 321 of the second pull head 32, and then fasten the first fastening member 21 and the second fastening member 22 to complete the bundling of the luggage. However, since the binding belt 10 is simultaneously passed through the through hole 311 of the first pull head 31 and the card slot 321 of the second pull head 32, the binding belt 10 fixes the first pull head 31 and the second pull head 32 together, which can lock the first pull head 31 and the second pull head 32, reducing the possibility that the first pull head 31 and the second pull head 32 are hooked or pulled open during use, making the use of the luggage safer. Moreover, the binding belt 10 can lock the first pull head 31 and the second pull head 32 at any position on the zipper 30, making the locking operation of the luggage more convenient and fast. In addition, when the luggage needs to be opened, first separate the first fastening member 21 and the second fastening member 22, and then move the binding belt 10 out of the card slot 321 of the second pull head 32, thus releasing the locking and fixing of the first pull head 31 and the second pull head 32, facilitating the pulling of the first pull head 31 and the second pull head 32 to move away from each other to open the luggage. More specifically, the cross-sectional shape of the card slot 321 is C-shaped, and the opening width of the card slot 321 is smaller than the width of the binding belt 10, so that the limiting effect of the binding belt 10 on the second pull head 32 is more reliable and the locking effect is better.

[0063] In another embodiment of the present invention, refer to Figure 9 As shown, the second pull head 32 of the provided binding belt fixing structure further includes a second locking rod 322, and the second locking rod 322 is movably installed at the opening of the card slot 321 and is used to close or open the opening of the card slot 321.

[0064] Specifically, when the binding strap is threaded through the card slot 321, the second locking rod 322 closes the opening of the card slot 321, thereby stably and reliably restricting the binding strap 10 within the card slot 321, preventing the binding strap 10 from slipping out of the card slot 321, enabling the first pull head 31 and the second pull head 32 to be locked together more stably and reliably, and enhancing the safety of using the luggage. When the binding strap 10 is not needed for the luggage, the second locking rod 322 opens the opening of the card slot 321, allowing the binding strap 10 to be removed from the card slot 321, thus facilitating the opening of the luggage.

[0065] Optionally, the second locking rod 322 is also installed on the second pull head 32 through a rotating shaft 315, and its specific installation structure is the same as that of the first locking rod 312 installed on the first pull head 31, which will not be elaborated here.

[0066] In another embodiment of the present invention, a luggage is provided, including a box body and the above-mentioned binding strap fixing structure, and a zipper 30 is provided on the box body.

[0067] For the luggage of the embodiment of the present invention, due to the adoption of the above-mentioned binding strap fixing structure, on the one hand, the binding strap is bundled outside the box body, enhancing the safety of using the luggage; on the other hand, the binding strap 10 is connected to the luggage as a whole, thus solving the problem that the binding strap 10 is prone to being lost. Additionally, when in use, the binding strap 10 fixed on the luggage can be directly used without spending time searching for the binding strap 10, making the use of the binding strap 10 more convenient, time-saving and labor-saving.

[0068] Optionally, the box body includes an upper box body and a lower box body, the upper box body and the lower box body are buckled together, and the two chains of the zipper 30 are respectively installed on the upper box body and the lower box body. The opening and closing of the box body are realized by the movement of the first pull head 31 and the second pull head 32 on the two chains.

[0069] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A fixing structure for a binding belt, characterized in that: It includes a binding strap, a fastening component and a zipper. The zipper is provided with a first pull head, and a threading hole is formed in the first pull head. The binding strap is threaded through the threading hole. The fastening component includes a first fastening piece and a second fastening piece. The first fastening piece and the second fastening piece are respectively connected to two ends of the binding strap, and the first fastening piece and the second fastening piece can be fastened to each other. A second pull head is provided on the zipper and is arranged opposite to the first pull head. A clamping groove for fixing the binding strap is provided on the second pull head. When the binding strap is in a bundled state and the first pull head and the second pull head move to the same position, the binding strap is threaded through the threading hole and the clamping groove to lock the first pull head and the second pull head.

2. The binding band fixing structure according to claim 1, wherein: The binding strap includes a fixed section and two connecting sections. Two ends of the fixed section are respectively connected to the two connecting sections. The fixed section is threaded through the threading hole. One end of the fixed section passes through the threading hole and then is folded back and fixedly connected to the other end of the fixed section. The first fastening piece and the second fastening piece are respectively connected to the two connecting sections.

3. The binding belt fixing structure according to claim 1, characterized in that: At least two threading holes are provided on the first pull head, and the threading holes are arranged at intervals. The binding strap is sequentially threaded through each threading hole.

4. The binding belt fixing structure according to claim 1, wherein: A notch for allowing the binding strap to be clamped into the threading hole is provided on the side wall of the threading hole, and the width of the notch is smaller than the width of the binding strap.

5. The binding belt fixing structure according to claim 4, characterized in that: The first pull head further includes a first locking rod. The first locking rod is movably connected to the first pull head and is located at the notch for opening or closing the notch.

6. The bundling band fixing structure according to claim 5, wherein: The first end of the first locking rod is rotatably connected to a part of the first pull head on one side of the notch, and the second end of the first locking rod is clamped to a part of the first pull head on the other side of the notch.

7. The binding band fixing structure according to any one of claims 1 to 6, characterized in that: The first pull head includes a pull tab for a person to hold, and the threading hole is provided on the pull tab.

8. The binding band fixing structure according to any one of claims 1 to 6, characterized in that: The second pull head further includes a second locking rod. The second locking rod is movably installed at the opening of the clamping groove and is used for closing or opening the opening of the clamping groove.

9. A suitcase, characterized in that: It includes a box body and the binding strap fixing structure according to any one of claims 1 to 8. The zipper is arranged on the box body.

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