Battery pack box body and battery pack

Abstract

The utility model provides a battery pack box body and a battery pack. The battery pack box body comprises a sealing upper cover; the sealing upper cover is arranged on the bottom plate tray assembly in a covering mode, and a containing cavity is formed; the sealing piece is arranged between the sealing upper cover and the bottom plate tray assembly, at least the side edge, in the length direction, of the bottom plate tray assembly is provided with a sealing limiting groove corresponding to the sealing piece, and at least one part of the sealing piece is located in the sealing limiting groove; and the multiple sealing sleeves are arranged on the bottom face of the bottom plate tray assembly, and the sealing sleeves stretch into the containing cavity from the bottom face of the bottom plate tray assembly. According to the utility model, the problems of unreasonable structure and low space utilization rate of the battery pack box body in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, specifically, relate to a battery package box and battery package. BACKGROUND

[0002] With the gradual expansion of commercial vehicle new energy market, the power battery package product specially made for it is further put into market according to the demand of its high energy density and cycle life. The original product arranges the fixing point of whole package, the sealing surface of box body and hoisting structure etc. using the side frame of box body, and this arrangement scheme encroaches the arrangement space of battery in the width direction in battery package, which is not conducive to the improvement of product energy density.

[0003] Therefore, the existing battery package box structure is unreasonable, and the space utilization is low. UTILITY MODEL CONTENT

[0004] The utility model mainly aims at providing a battery package box and battery package to solve the problem of unreasonable battery package box structure and low space utilization in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a battery package box is provided, which comprises: a sealing upper cover; a bottom plate tray assembly, the sealing upper cover is arranged on the bottom plate tray assembly and forms a containing cavity; a sealing element, the sealing element is arranged between the sealing upper cover and the bottom plate tray assembly, at least the length direction side of the bottom plate tray assembly is provided with a sealing limiting groove corresponding to the sealing element, and at least a part of the sealing element is located in the sealing limiting groove; and a plurality of sealing sleeves, the sealing sleeves are arranged on the bottom surface of the bottom plate tray assembly, and the sealing sleeves are inserted into the containing cavity from the bottom surface of the bottom plate tray assembly.

[0006] Further, the axial direction of the sealing sleeve is parallel to the vertical direction; and / or a plurality of sealing sleeves are arranged at both ends of the length direction of the bottom plate tray assembly, and the plurality of sealing sleeves at the same end of the bottom plate tray assembly are arranged in the width direction of the bottom plate tray assembly.

[0007] Further, the bottom surface of the bottom plate tray assembly is provided with a reinforcing rib, the sealing sleeve penetrates the reinforcing rib and is inserted into the containing cavity, and there is a sealing weld between the sealing sleeve and the reinforcing rib and / or between the sealing sleeve and the top surface of the bottom plate tray assembly; and / or the bottom of the sealing sleeve is provided with a sleeve boss flange.

[0008] Further, the bottom plate tray assembly comprises: a bottom plate tray body, the bottom plate tray body is provided with a sealing limiting groove; and two panels, one panel is arranged at each end of the length direction of the bottom plate tray body, and the sealing element is arranged between the panel and the sealing upper cover and between the bottom plate tray body and the sealing upper cover.

[0009] Further, the two ends of the length direction of the bottom tray body are respectively provided with a first fixing beam, the first fixing beam is located on the side of the panel close to the accommodating cavity, and a plurality of sealing sleeves are arranged between the panel and the first fixing beam.

[0010] Further, the bottom tray body has at least one group of liquid cooling interfaces and at least one liquid cooling flow channel in communication with the liquid cooling interfaces, and the liquid cooling interfaces are arranged at the two ends of the length direction of the bottom tray body and located on the side of the panel away from the accommodating cavity.

[0011] Further, the bottom tray body comprises: at least two side trays, the two side trays are arranged at intervals along the width direction of the bottom tray body, and the side away from each other of the two side trays is respectively provided with a sealing limiting groove; at least one middle tray, the middle tray is arranged between the two side trays.

[0012] Further, the bottom tray assembly further comprises a side temperature guide plate, the side temperature guide plate is vertically arranged at the two ends of the width direction of the bottom tray body, and the side of the side temperature guide plate facing the accommodating cavity is provided with a heat conduction pad; and / or the side temperature guide plate is connected with the bottom tray body through heat conduction glue.

[0013] Further, the side edge of the length direction of the bottom tray assembly has a plurality of connecting parts arranged along the length direction, and the side edge of the length direction of the bottom tray assembly is connected with the sealing upper cover through the connecting parts.

[0014] According to another aspect of the utility model, a battery pack is provided, comprising the battery pack box body.

[0015] The technical scheme of the utility model is applied to the battery pack box body in the application, which comprises a sealing upper cover, a bottom tray assembly, a sealing element and a sealing sleeve. The sealing upper cover is arranged on the bottom tray assembly and forms an accommodating cavity. The sealing element is arranged between the sealing upper cover and the bottom tray assembly. At least one side edge of the length direction of the bottom tray assembly is provided with a sealing limiting groove corresponding to the sealing element. At least a part of the sealing element is located inside the sealing limiting groove. The sealing sleeve is a plurality of sealing sleeves arranged on the bottom surface of the bottom tray assembly. The sealing sleeve extends into the accommodating cavity from the bottom surface of the bottom tray assembly.

[0016] When the battery pack box body in the application is used, since the sealing sleeve in the application is arranged on the bottom surface of the bottom tray assembly and extends into the accommodating cavity from the bottom surface of the bottom tray assembly, during the assembly of the battery pack using the battery pack box body in the application and the whole vehicle, the fixing bolt of the whole vehicle can extend from the bottom of the battery pack box body to the inside of the battery pack box body, and the space in the height direction in the accommodating cavity is used. On the other hand, by arranging the sealing sleeve, the structural strength of the bottom tray assembly is improved, so that the stability and reliability of the battery pack are ensured. At the same time, since the bottom tray assembly in the application is provided with the sealing limiting groove corresponding to the sealing element, the sealing element is not easy to slip off, so that the sealing performance of the battery pack is better. Therefore, by using the battery pack box body in the application, the space of the battery pack box body in the width direction occupied by the connecting structure for the assembly of the battery pack and the whole vehicle is reduced, so that more space in the inside of the battery pack box body can be used to accommodate the battery pack, or in other words, the volume of the battery pack box body in the application is smaller when accommodating the same battery pack, and the energy density of the battery pack is improved. Therefore, the battery pack box body in the application effectively solves the problem of unreasonable structure and low space utilization rate of the battery pack box body in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the application and are incorporated herein in conjunction with the description of the application. The drawings illustrate an exemplary embodiment of the present application and, together with the description, serve to explain the application. In the drawings:

[0018] Figure 1 A structure schematic view of a bottom tray assembly of a battery pack box body according to one specific embodiment of the present application is shown;

[0019] Figure 2 A structure schematic view of a battery pack box body in the application is shown;

[0020] Figure 3 A partial structure schematic view of a bottom tray assembly of a battery pack box body in the application is shown;

[0021] Figure 4 A position relationship schematic view of a sealing sleeve and a reinforcing rib of a battery pack box body in the application is shown;

[0022] Figure 5 A position relationship schematic view of a side temperature guide plate of a battery pack box body in the application and a battery pack is shown.

[0023] Among the above drawings, the following reference signs are included:

[0024] 10, sealing upper cover; 20, bottom tray assembly; 21, sealing limiting groove; 22, bottom tray body; 221, first fixed beam; 222, second fixed beam; 223, liquid cooling interface; 224, liquid cooling flow channel; 225, side tray; 226, middle tray; 227, side temperature guide plate; 2271, heat conduction pad; 2272, heat conduction glue; 23, panel; 24, connecting part; 25, reinforcing rib; 26, hoisting hole; 30, sealing element; 40, sealing sleeve; 41, sleeve boss flange; 50, containing cavity; 60, battery pack; 61, control panel; 62, control panel support; 63, connecting row; 70, high-voltage plug; 80, sealing weld; 90, wire thread insert. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0027] In the present application, unless otherwise stated, the orientation words such as "upper, lower, top, bottom" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity direction of the components themselves. Similarly, for the convenience of understanding and description, "inner, outer" refers to the inner and outer relative to the contour of the components themselves, but the above orientation words are not used to limit the present application.

[0028] In order to solve the problem of unreasonable structure of battery pack box and low space utilization in the prior art, the present application provides a battery pack box and a battery pack.

[0029] Moreover, the battery pack in the present application has the following battery pack box.

[0030] As shown in Figures 1 to 5 The battery pack box in the present application includes a sealing upper cover 10, a bottom tray assembly 20, a sealing element 30 and a sealing sleeve 40. The sealing upper cover 10 is covered on the bottom tray assembly 20 and forms a containing cavity 50; the sealing element 30 is arranged between the sealing upper cover 10 and the bottom tray assembly 20, at least the length direction side of the bottom tray assembly 20 is provided with a sealing limiting groove 21 corresponding to the sealing element 30, and at least a part of the sealing element 30 is located inside the sealing limiting groove 21; the sealing sleeve 40 is a plurality of sealing sleeves, the sealing sleeve 40 is arranged on the bottom surface of the bottom tray assembly 20, and the sealing sleeve 40 extends into the containing cavity 50 from the bottom surface of the bottom tray assembly 20.

[0031] When the battery pack case in the application is used, since the sealing sleeve 40 in the application is arranged on the bottom surface of the bottom tray assembly 20 and extends into the accommodating cavity 50 from the bottom surface of the bottom tray assembly 20, during the assembly of the battery pack using the battery pack case in the application and the whole vehicle, the fixing bolt of the whole vehicle can extend from the bottom of the battery pack case to the inside of the battery pack case, and the space in the height direction in the accommodating cavity 50 is used. On the other hand, by arranging the sealing sleeve 40, the structural strength of the bottom tray assembly 20 can also be improved, thereby ensuring the stability and reliability of the battery pack. At the same time, since the bottom tray assembly 20 in the application is provided with the sealing limiting groove 21 corresponding to the sealing member 30, the sealing member 30 is not easy to slip off, thereby ensuring better sealing performance of the battery pack. Therefore, by using the battery pack case in the application, the space of the battery pack case in the width direction occupied by the connecting structure for the assembly of the battery pack and the whole vehicle can be reduced, thereby ensuring that the inside of the battery pack case can have more space to accommodate the battery pack 60, or in other words, when accommodating the same battery pack 60, the battery pack case in the application has a smaller volume, thereby improving the energy density of the battery pack. Therefore, the battery pack case in the application effectively solves the problem of unreasonable structure and low space utilization rate of the battery pack case in the prior art.

[0032] Preferably, the axial direction of the sealing sleeve 40 is parallel to the vertical direction. By such arrangement, the inside space of the accommodating cavity 50 occupied by the sealing sleeve 40 can be less, thereby being more conducive to the miniaturization design of the battery pack case.

[0033] Specifically, as shown in Figure 1 , the two ends of the length direction of the bottom tray assembly 20 are respectively provided with a plurality of sealing sleeves 40, and the plurality of sealing sleeves 40 located at the same end of the bottom tray assembly 20 are arranged in the width direction of the bottom tray assembly 20. Such layout makes the distribution of the sealing sleeves 40 on the bottom tray assembly 20 more uniform, enhances the overall structural strength, and at the same time, facilitates the arrangement of the fixing bolt of the whole vehicle, improves the stability of the connection between the battery pack and the whole vehicle, and is suitable for various vehicle battery installation scenes requiring high stability. Of course, in the application, the arrangement position of the plurality of sealing sleeves 40 can be adaptively adjusted according to actual use and design requirements.

[0034] In one specific embodiment of the application, as shown in Figure 1 and Figure 2As shown, the bottom tray assembly 20 comprises a bottom tray body 22 and two face plates 23, the bottom tray body 22 has a sealing limiting groove 21; one face plate 23 is vertically arranged at each end of the length direction of the bottom tray body 22, and sealing members 30 are arranged between the face plate 23 and the sealing upper cover 10 and between the bottom tray body 22 and the sealing upper cover 10. That is, in the present application, the top edge of the face plate 23, the two side edges of the face plate 23, and the edges of the length direction of the two sides of the bottom tray body 22 are all provided with sealing members 30, and the overall sealing of the battery pack box body is realized through cooperation with the sealing upper cover 10, or in other words, the sealing of the containing cavity 50 is realized. And in the present embodiment, the axis of the sealing sleeve 40 is parallel to the face plate 23.

[0035] Specifically, as shown in Figure 1 and Figure 2 shown, the two ends of the length direction of the bottom tray body 22 are respectively provided with one first fixed beam 221, the length direction of the first fixed beam 221 is perpendicular to the length direction of the bottom tray body 22, the first fixed beam 221 is located on the side of the face plate 23 close to the containing cavity 50, and a plurality of sealing sleeves 40 are arranged between the face plate 23 and the first fixed beam 221. Further specifically, at least one second fixed beam 222 is further arranged on the bottom tray body 22, and the second fixed beam 222 is arranged between the two first fixed beams 221. In the present application, the first fixed beam 221 can be arranged to reinforce the battery pack 60 in the battery pack, thereby ensuring the use performance of the battery pack. When the battery pack 60 in the battery pack is divided into multiple groups, the second fixed beam 222 can be arranged to separate the battery pack 60 in different groups, thereby ensuring the stability of the multiple battery packs 60 in the battery pack. At the same time, by changing the width of the first fixed beam 221 or the second fixed beam 222, the number of batteries in the battery pack can also be adjusted.

[0036] And in the present application, as the number of batteries increases, the control panel 61 required by the battery pack and the number of samples also need to be increased, at this time, the control panel support 62 and the control panel 61 can be fixed above the second fixed beam 222 to reduce the space occupation in the length direction of the battery pack. Of course, in the present application, the connecting row 63 for connecting different groups of battery packs 60 can also be arranged on the first fixed beam 221 and the second fixed beam 222.

[0037] Optionally, at least one second fixed beam 222 is arranged between the two first fixed beams 221. In the present embodiment, the second fixed beam 222 is one.

[0038] Preferably, the first fixed beam 221 and the second fixed beam 222 are parallel to each other.

[0039] In the embodiment, the length of the bottom tray body 22 can be determined according to the actual power demand, and the number of the batteries in the battery pack is determined, so as to determine the specific length of the bottom tray body 22.

[0040] Optionally, the sealing member 30 can be sealing foam. Of course, the sealing member 30 in the present application can also be made of other materials.

[0041] Optionally, one of the two panels 23 is further provided with a high-voltage plug 70 on the side away from the other panel 23.

[0042] Specifically, as shown in Figure 1 and Figure 3 , the bottom tray body 22 has at least one set of liquid cooling interfaces 223 and at least one liquid cooling flow channel 224 in communication with the liquid cooling interfaces 223, and the liquid cooling interfaces 223 are arranged at both ends of the length direction of the bottom tray body 22 and on the side of the panel 23 away from the accommodation cavity 50. The design of the liquid cooling interfaces 223 and the liquid cooling flow channel 224 makes the battery pack box body have good heat dissipation performance, can effectively control the temperature of the battery, improve the service life and safety of the battery, and is suitable for battery pack use scenarios that require efficient heat dissipation. Moreover, by arranging the liquid cooling flow channel 224 on the bottom tray body 22, the space of the liquid cooling flow channel 224 in the accommodation cavity 50 can be avoided, thereby further improving the energy density of the battery pack.

[0043] In a specific embodiment of the present application, the bottom tray body 22 includes at least two side trays 225 and at least one middle tray 226, the two side trays 225 are arranged at intervals along the width direction of the bottom tray body 22, and the side away from each other of the two side trays 225 is respectively provided with a sealing limiting groove 21; the middle tray 226 is arranged between the two side trays 225. The design of dividing the bottom tray body 22 into the side tray 225 and the middle tray 226 can reduce the width of the profile die of the bottom tray body 22, thereby reducing the manufacturing cost.

[0044] Optionally, the two side trays 225 and the middle tray 226 are spliced to form the bottom tray body 22 by friction stir welding.

[0045] It can be understood that in other embodiments of the present application, the bottom tray body 22 can only include two side trays 225 without the middle tray 226, and the two side trays 225 are spliced to form the bottom tray body 22 by friction stir welding. Such design can reduce the width of the profile die of the bottom tray body 22 while reducing the number of friction stir welding, thereby reducing the manufacturing cost.

[0046] Preferably, as shown in Figure 5As shown, the base plate tray assembly 20 also includes side heat-conducting plates 227, which are erected at both ends of the base plate tray body 22 in the width direction. The side heat-conducting plates 227 have a thermally conductive pad 2271 on the side facing the receiving cavity 50. The side heat-conducting plates 227 are connected to the base plate tray body 22 via thermally conductive adhesive 2272. With this configuration, the base plate tray body 22 can also absorb heat from the battery pack 60 through the side heat-conducting plates 227, thereby further improving the heat exchange effect of the battery pack casing on the battery pack 60.

[0047] Optionally, the base plate pallet assembly 20 has multiple connecting portions 24 arranged along its length on its side. The side of the base plate pallet assembly 20 in its length direction is connected to the sealing cover 10 through the connecting portions 24. In this application, the connecting portions 24 and the base plate pallet assembly 20 can be detachably connected. In one embodiment, the connecting portion 24 can be a bolt or a rivet nut, and a profile cavity is provided on the side of the base plate pallet assembly 20 in its length direction. A positioning hole is provided on the side of the profile cavity away from the receiving cavity 50, and the bolt or rivet nut passes through the positioning hole and connects to the base plate pallet assembly 20. Of course, in another embodiment, when the structural strength of the base plate pallet assembly 20 is low, the connecting portion 24 can be a wire nut, and a wire thread sleeve 90 is provided on the side of the base plate pallet assembly 20 in its length direction. The wire nut passes through the wire thread sleeve 90 and connects to the base plate pallet assembly 20.

[0048] Optionally, such as Figure 3 and Figure 4 As shown, the bottom surface of the base plate tray assembly 20 is provided with reinforcing ribs 25. The sealing sleeve 40 extends through the reinforcing ribs 25 into the receiving cavity 50. There are sealing welds 80 between the sealing sleeve 40 and the reinforcing ribs 25, and between the sealing sleeve 40 and the top surface of the base plate tray assembly 20. The bottom of the sealing sleeve 40 has a sleeve boss flange 41. In this application, the sleeve boss flange 41 is designed at the bottom of the sealing sleeve 40 for limiting its position and that of the reinforcing ribs 25, and also serves as a load-bearing surface for the vehicle mounting position. Furthermore, the sealing weld at the extended sleeve is circumferentially welded inside the battery pack. Simultaneously, the sealing welds of the sleeve boss flange 41 and the reinforcing ribs 25 outside the battery pack are welded to achieve the overall airtightness requirement of the battery pack.

[0049] Optionally, in this application, at least one lifting hole 26 is provided on the side of the bottom plate pallet assembly 20 along its length, while the sealing cover 10 and the sealing element 30 are respectively provided with clearance holes corresponding to the lifting hole 26.

[0050] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0051] 1. The battery pack box effectively solves the problem of unreasonable structure and low space utilization of the battery pack box in the prior art.

[0052] 2. The structure is simple and stable.

[0053] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0054] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0055] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0056] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A battery pack case characterized by, The battery pack box comprises: a sealing upper cover (10); a bottom plate tray assembly (20), the sealing upper cover (10) being covered on the bottom plate tray assembly (20) and forming a containing cavity (50); a sealing member (30) arranged between the sealing upper cover (10) and the bottom plate tray assembly (20), at least one length direction side of the bottom plate tray assembly (20) being provided with a sealing limiting groove (21), and at least a part of the sealing member (30) being located inside the sealing limiting groove (21); a plurality of sealing sleeves (40) arranged on the bottom surface of the bottom plate tray assembly (20), the sealing sleeves (40) being extended into the containing cavity (50) by the bottom surface of the bottom plate tray assembly (20).

2. The battery pack box according to claim 1, wherein: an axial direction of the sealing sleeve (40) is parallel to a vertical direction; and / or a plurality of the sealing sleeves (40) are arranged at both ends of the length direction of the bottom plate tray assembly (20) respectively, and the plurality of the sealing sleeves (40) arranged at the same end of the bottom plate tray assembly (20) are arranged in a width direction of the bottom plate tray assembly (20) in a spaced manner.

3. The battery pack box according to claim 1, wherein: a reinforcing rib (25) is arranged on the bottom surface of the bottom plate tray assembly (20), the sealing sleeve (40) is extended into the containing cavity (50) through the reinforcing rib (25), and a sealing weld (80) is arranged between the sealing sleeve (40) and the reinforcing rib (25) and / or between the sealing sleeve (40) and the top surface of the bottom plate tray assembly (20); and / or a sleeve boss flange (41) is arranged at the bottom of the sealing sleeve (40).

4. The battery pack enclosure of claim 1, wherein, The bottom plate tray assembly (20) comprises: a bottom plate tray body (22) provided with the sealing limiting groove (21); two panels (23), one of which is arranged at each end of the length direction of the bottom plate tray body (22), and the sealing member (30) is arranged between the panel (23) and the sealing upper cover (10) and between the bottom plate tray body (22) and the sealing upper cover (10).

5. The battery pack box according to claim 4, wherein: a first fixed beam (221) is arranged at each end of the length direction of the bottom plate tray body (22), the first fixed beam (221) being located at a side of the panel (23) close to the containing cavity (50), and a plurality of the sealing sleeves (40) are arranged between the panel (23) and the first fixed beam (221); at least one second fixed beam (222) is further arranged on the bottom plate tray body (22), and the second fixed beam (222) is arranged between the two first fixed beams (221).

6. The battery pack enclosure of claim 4, wherein, The bottom tray body (22) has at least one set of liquid cooling interfaces (223) and at least one liquid cooling flow channel (224) in communication with the liquid cooling interfaces (223), and the liquid cooling interfaces (223) are arranged at both ends of the length direction of the bottom tray body (22) and located on the side of the panel (23) away from the accommodating cavity (50).

7. The battery pack enclosure of claim 4, wherein, The bottom tray body (22) comprises: At least two side trays (225), two side trays (225) are arranged at intervals along the width direction of the bottom tray body (22), and the side away from each other of the two side trays (225) is respectively provided with the sealing limiting groove (21); At least one intermediate tray (226) is arranged between the two side trays (225).

8. The battery pack enclosure of claim 4, wherein, The bottom tray assembly (20) further comprises a side temperature guide plate (227), which is vertically arranged at both ends of the width direction of the bottom tray body (22), The side of the side temperature guide plate (227) facing the accommodating cavity (50) is provided with a heat conduction pad (2271); and / or The side temperature guide plate (227) is connected with the bottom tray body (22) through heat conduction adhesive (2272).

9. The battery pack box of any one of claims 1 to 8, wherein, The length direction side of the bottom tray assembly (20) has a plurality of connecting parts (24) arranged along the length direction, and the length direction side of the bottom tray assembly (20) is connected with the sealing upper cover (10) through the connecting parts (24).

10. A battery pack, characterized by, The battery pack box of any one of claims 1 to 9 is included.

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