Battery seat cask structure and electric vehicle

Abstract

The utility model relates to the technical field of vehicles, in particular to a battery seat cask structure and an electric vehicle. The battery seat cask structure comprises a battery seat cask body, the battery seat cask body is provided with an internal containing space, the bottom of the battery seat cask body is arranged to be a step-shaped bottom, the step-shaped bottom comprises at least two bottom planes and connecting vertical walls, the height distances between the bottom planes and the top of the battery seat cask body are different, and the connecting vertical walls are connected to the adjacent edges of the two adjacent bottom planes respectively. The height distance between each bottom plane and the top of the battery seat cask body corresponds to the height of batteries of different models; and the long side size and the short side size of the cross section of the battery seat cask body at the height position of each bottom plane are respectively greater than or equal to the length size and the width size of a battery with a corresponding model. The electric vehicle comprises the battery seat cask structure. The battery seat cask structure and the electric vehicle solve the technical problem that an existing battery seat cask is poor in universality.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a battery seat bucket structure and an electric vehicle. Background Art

[0002] With the development of electric vehicles, various models and sizes of batteries are produced due to the different capacities of batteries in electric vehicles. Different models and specifications correspond to different sizes, and different models and specifications of batteries lead to different external dimensions of the batteries, which also lead to different sizes of battery holders used by electric vehicles to hold batteries. This will lead to the problem of poor versatility of the battery holders. The battery holders in the prior art generally have their sizes determined according to which model and specification of batteries are to be used when the electric vehicles leave the factory. After leaving the factory, it is generally difficult to change them. They need to be repaired or returned to the factory to be changed to use batteries of other models and specifications. If you want to change it back, you still have to repair or return it to the factory for processing, which is not only troublesome but also increases the cost of use. Utility Model Content

[0003] The purpose of the present application is to provide a battery seat bucket structure and an electric vehicle to solve the technical problem of poor versatility of existing battery seat buckets.

[0004] In a first aspect, the present application provides a battery holder structure, comprising:

[0005] A battery holder barrel body having an internal accommodating space, wherein the bottom thereof is arranged as a stepped bottom, wherein the stepped bottom comprises at least two bottom planes having different height intervals from the top of the battery holder barrel body, and connecting vertical walls respectively connected to adjacent sides of two adjacent bottom planes.

[0006] The height spacing between each bottom plane and the top of the battery holder barrel body corresponds to the height dimension setting of each different model of battery, and the long side dimension and short side dimension of the cross-section of the battery holder barrel body at the height position of each bottom plane are respectively greater than or equal to the length dimension and width dimension setting of the battery model corresponding thereto.

[0007] Further, the stepped bottom includes a first bottom plane and a second bottom plane, the first bottom plane includes a first side and a second side opposite to each other, the second bottom plane includes a third side and a fourth side opposite to each other, the second side and the third side adjacent to the first bottom plane and the second bottom plane are respectively connected to the top side and the bottom side of the first connecting vertical wall,

[0008] A first height distance between the first bottom plane and the top of the battery holder bucket body is smaller than a second height distance between the second bottom plane and the top of the battery holder bucket body.

[0009] Furthermore, the first bottom plane corresponds to the bottom of the first type of battery, the second bottom plane corresponds to the bottom of the second type of battery, the first height spacing is greater than or equal to the height of the first type of battery, and the second height spacing is greater than or equal to the height of the second type of battery.

[0010] Furthermore, the first side of the first bottom plane coincides with the bottom side of the first inner wall of the battery holder barrel body, and the fourth side of the second bottom plane coincides with the bottom side of the second inner wall of the battery holder barrel body opposite to the first inner wall thereof;

[0011] The larger value of the size of the first side and the distance between the first side and the second inner wall is the first long side, and the smaller value is the first short side. The length of the first long side is greater than or equal to the length of the first type of battery, and the length of the first short side is greater than or equal to the width of the first type of battery.

[0012] The length of the second bottom plane is greater than or equal to the length of the second type of battery and less than the length of the first long side, and the width of the second bottom plane is greater than or equal to the width of the second type of battery and less than the length of the first short side.

[0013] Furthermore, the first height distance is greater than or equal to 265 mm, the first long side is greater than or equal to 184 mm, and the first short side is greater than or equal to 156 mm;

[0014] The second height interval is greater than or equal to 324.8 mm, the length of the second bottom plane is greater than or equal to 179.5 mm, and the width of the second bottom plane is greater than or equal to 110.5 mm.

[0015] Furthermore, the battery holder structure further includes a bottom bracket that can be placed in a space formed by the first connecting vertical wall, the second bottom plane and the second inner wall being connected in sequence, and the top surface of the bottom bracket is flush with the first bottom plane; and / or

[0016] The stepped bottom of the battery holder barrel body may also include a first auxiliary support surface arranged at the same height as the first bottom plane, and the first bottom plane and the first auxiliary support surface are respectively located above the opposite sides of the second bottom plane; when the first type of battery is used, the opposite sides of the first type of battery are overlapped and supported on the first bottom plane and the first auxiliary support surface respectively.

[0017] Furthermore, the top opening of the battery holder barrel body is provided.

[0018] The battery holder bucket structure also includes a cover body arranged on the top opening, the cover body can open or close the top opening, and the inner top surface of the cover body is provided with a contact pressing portion for pressing against the top of the battery.

[0019] Furthermore, the abutment and pressing portion is configured as a plurality of rubber pressing blocks, wherein at least two of the rubber pressing blocks are disposed above the internal accommodating space corresponding to the battery, and wherein at least another two of the rubber pressing blocks are disposed on the inner top surface of the cover body close to the side, for pressing against the top outer edge of the battery holder barrel.

[0020] Furthermore, the cover body is configured as a seat cushion, the top outer surface and the side outer surface of the cover body are made of soft material, and one side edge of the bottom of the cover body is rotatably connected to one side edge of the top opening of the battery seat barrel body through a rotating shaft.

[0021] In a second aspect, the present application provides an electric vehicle comprising the battery holder structure described in any one of the above.

[0022] Compared with the prior art, the battery holder barrel structure and the electric vehicle using the battery holder barrel structure provided by the present application, the battery holder barrel structure includes a battery holder barrel body, the interior of the battery holder barrel body has an internal accommodating space for accommodating batteries, the bottom of the battery holder barrel body is arranged as a stepped bottom, the stepped bottom includes at least two bottom planes with different height spacings from the top of the battery holder barrel body (such as a first bottom plane and a second bottom plane with different height spacings), and connecting vertical walls respectively connected to adjacent sides of two adjacent bottom planes, the height spacing between each bottom plane and the top of the battery holder barrel body corresponds to the height dimension setting of each different type of battery, and the long side dimension and the short side dimension of the cross-section of the battery holder barrel body at the height position of each bottom plane are respectively greater than or equal to the length dimension and width dimension setting of the corresponding type of battery, so that the internal accommodating space of the battery holder barrel body of the battery holder barrel structure provided by the present application can accommodate batteries of different types and sizes, and can be selected for use according to user needs, thereby improving the versatility of the battery holder barrel, avoiding the trouble of replacement or return to the factory for repair, and saving the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1A schematic diagram of the structure of the battery holder barrel provided in an embodiment of the present application;

[0025] Figure 2 A schematic structural diagram of a battery holder body containing a first type of battery provided in the first embodiment of the present application;

[0026] Figure 3 An exploded view of the battery holder structure provided in the first embodiment of the present application;

[0027] Figure 4 A schematic diagram of a longitudinal section of a battery holder barrel body provided in the first embodiment of the present application;

[0028] Figure 5 A schematic diagram of the structure of a battery holder body containing a second type of battery provided in the second embodiment of the present application;

[0029] Figure 6 An exploded view of the battery holder structure provided in the second embodiment of the present application;

[0030] Figure 7 A schematic diagram of a longitudinal section of a battery holder barrel body provided in a second embodiment of the present application;

[0031] Figure 8 This is a schematic diagram of the structure of the cover body provided in an embodiment of the present application.

[0032] Reference numerals:

[0033] 100-battery holder structure;

[0034] 10-battery holder barrel body;

[0035] 11-Internal storage space;

[0036] 12- Step bottom;

[0037] 121- first bottom plane;

[0038] 1211-first side;

[0039] 1212-second side;

[0040] 122 - second bottom plane;

[0041] 1221-third side;

[0042] 1222-fourth side;

[0043] 123-first connecting vertical wall;

[0044] 124-first auxiliary support surface;

[0045] 13- top outer edge;

[0046] 14- second inner wall;

[0047] 20- bottom support;

[0048] 30-cover body;

[0049] 31-inner top surface;

[0050] 311-first rubber pressing block;

[0051] 312-second rubber pressing block;

[0052] 32-rotating shaft;

[0053] 201-first type battery;

[0054] 202 - Second type of battery. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0056] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0057] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0058] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0059] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0060] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0061] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0062] like Figures 1 to 8 As shown, the embodiment of the present application provides a battery holder bucket structure 100 and an electric vehicle using the battery holder bucket structure 100. The battery holder bucket structure 100 includes a battery holder bucket body 10 with an opening at the top and a cover 30 disposed at the top opening of the battery holder bucket body 10, and the cover 30 can open or close the top opening. The battery holder bucket body 10 has an internal accommodation space 11 inside for accommodating batteries. The bottom of the battery holder bucket body 10 is set as a stepped bottom 12. The stepped bottom 12 includes at least two bottom planes with different height spacings from the top of the battery holder bucket body 10, and connecting vertical walls respectively connected to adjacent sides of two adjacent bottom planes. The height spacing between each bottom plane and the top of the battery holder bucket body 10 corresponds to the height size setting of each different type of battery. The long side size and short side size of the cross section of the battery holder bucket body 10 at the height position of each bottom plane are respectively greater than or equal to the length size and width size setting of the battery of the corresponding model.

[0063] Compared with the prior art, the battery holder bucket structure 100 provided in the embodiment of the present application and the electric vehicle using the battery holder bucket structure 100, the battery holder bucket structure 100 includes a battery holder bucket body 10, the interior of the battery holder bucket body 10 has an internal accommodating space 11 for accommodating batteries, the bottom of the battery holder bucket body 10 is set as a stepped bottom 12, the stepped bottom 12 includes at least two bottom planes with different height spacings from the top of the battery holder bucket body 10 (such as a first bottom plane 121 and a second bottom plane 122 with different height spacings), and connecting edges respectively connected to adjacent two bottom planes. The vertical wall, the height spacing between each bottom plane and the top of the battery holder barrel body 10 corresponds to the height dimension setting of each different type of battery, and the long side dimension and the short side dimension of the cross-section of the battery holder barrel body 10 at the height position of each bottom plane are respectively greater than or equal to the length dimension and the width dimension setting of the corresponding model of the battery, so that the internal accommodating space 11 of the battery holder barrel body 10 of the battery holder barrel structure 100 provided in the embodiment of the present application can accommodate batteries of different models and sizes, and can be selected for use according to user needs, thereby improving the versatility of the battery holder barrel, avoiding the trouble of replacement or return for repair, and saving the cost of use.

[0064] The embodiment of the present application is described by taking the stepped bottom 12 including two bottom planes as an exemplary embodiment. Of course, according to the requirements for different types of batteries, three or more bottom planes with different height distances from the top of the battery holder barrel body 10 can be set by analogy.

[0065] Specifically, the stepped bottom 12 may include a first bottom plane 121 and a second bottom plane 122, the first bottom plane 121 includes a first side 1211 and a second side 1212 relative to each other, the second bottom plane 122 includes a third side 1221 and a fourth side 1222 relative to each other, the second side 1212 and the third side 1221 adjacent to the first bottom plane 121 and the second bottom plane 122 are respectively connected to the top side and the bottom side of the first connecting vertical wall 123, and preferably, the lengths of the first side 1211, the second side 1212, the third side 1221 and the fourth side 1222 are equal. Preferably, the first edge 1211 of the first bottom plane 121 coincides with the bottom edge of the first inner wall of the battery seat bucket body 10, the fourth edge 1222 of the second bottom plane 122 coincides with the bottom edge of the second inner wall 14 of the battery seat bucket body 10 opposite to its first inner wall, and the first height spacing H1 between the first bottom plane 121 and the top of the battery seat bucket body 10 is smaller than the second height spacing H2 between the second bottom plane 122 and the top of the battery seat bucket body 10.

[0066] Since there are two types of batteries commonly used in the market, namely model 4824 and model 4828, customers often want to replace these two types of batteries. Therefore, setting two bottom planes with different height spacings will be more popular in the market and cost-effective.

[0067] like Figures 2 to 7 As shown, in the aforementioned embodiment, the size (length×width×height) of the battery of model 4824 is: 184mm×156mm×265mm, and the size (length×width×height) of the battery of model 4828 is: 179.5mm×110.5mm×324.8mm. It can be seen that the height (265mm) of the battery of model 4824 is smaller than the height (324.8mm) of the battery of model 4828, and the first height spacing H1 between the first bottom plane 121 and the top of the battery holder bucket body 10 is smaller than the second height spacing H2 between the second bottom plane 122 and the top of the battery holder bucket body 10. 2, so the first bottom plane 121 can correspond to the bottom of the first type of battery 201, the second bottom plane 122 can correspond to the bottom of the second type of battery 202, and the first height spacing H1 is greater than or equal to the height of the first type of battery 201. Specifically, the first height spacing H1 should be greater than or equal to 265mm, and the second height spacing H2 is greater than or equal to the height of the second type of battery 202. Specifically, the second height spacing H2 should be greater than or equal to 324.8mm, so as to ensure that the height can accommodate these two types of batteries, so as to ensure that they can be switched at will and ensure their versatility.

[0068] Furthermore, the larger of the size of the first side 1211 and the distance between the first side 1211 and the second inner wall 14 is the first long side, and the smaller is the first short side. The length of the first long side is greater than or equal to the length of the first type of battery 201, specifically, the length of the first long side is greater than or equal to 184 mm, and the size of the first short side is greater than or equal to the width of the first type of battery 201, specifically, the size of the first short side is greater than or equal to 156 mm, thereby ensuring that the first type of battery 201 can be accommodated in the overall volume, ensuring versatility. Figures 2 to 4 As shown, the embodiment of the present application is specifically exemplified by taking the first side 1211 as the first long side and the distance between the first side 1211 and the second inner wall 14 as the first short side.

[0069] Furthermore, the length of the second bottom plane 122 is greater than or equal to the length of the second type of battery 202 and less than the length of the first long side. Specifically, the length of the second bottom plane 122 is greater than or equal to 179.5 mm and less than 184 mm. The width of the second bottom plane 122 is greater than or equal to the width of the second type of battery 202 and less than the length of the first short side. Specifically, the width of the second bottom plane 122 is greater than or equal to 110.5 mm and less than 156 mm, so as to ensure that the second type of battery 202 can be accommodated in the overall volume, and when the first type of battery 201 is accommodated, the first type of battery 201 will not fall into the second bottom plane 122, so as to ensure that the bottom surface of the first type of battery 201 can overlap the first bottom plane 121. Figures 5 to 7 As shown, the embodiment of the present application is specifically illustrated with the fourth side 1222 (or the third side 1221 ) of the second bottom plane 122 as the long side and the distance from the third side 1221 to the fourth side 1222 as the short side.

[0070] like Figures 2 to 4 The figure shows a first embodiment for accommodating and using a first type of battery 201. When the first type of battery 201 is used, a portion of its bottom is against a relatively higher first bottom plane 121, and another portion of the bottom is suspended. On the one hand, it is easy to cause lateral pressure and unbalanced weight on the first bottom plane 121, resulting in a large load-bearing pressure, which is easy to cause damage. On the other hand, the bottom of the battery is suspended, which is easy to cause a large vibration.

[0071] In order to solve the above problem, a preferred embodiment is that the battery holder barrel structure 100 may also include a base 20 that can be placed in a space formed by the first connecting vertical wall 123, the second bottom plane 122 and the second inner wall 14 connected in sequence, and the top surface of the base 20 is flush with the first bottom plane 121 to fill the suspended position below the bottom of the first type of battery 201, reduce vibration, share the load borne by the first bottom plane 121, avoid lateral pressure and unbalanced weight, and extend its service life.

[0072] A further embodiment is that Figure 4As shown, the stepped bottom 12 of the battery holder barrel body 10 may also include a first auxiliary support surface 124 at the same height as the first bottom plane 121. The first bottom plane 121 and the first auxiliary support surface 124 may be respectively located above the opposite sides of the second bottom plane 122. When the first type of battery 201 is used, the opposite edges of the first type of battery 201 may be overlapped and supported on the first bottom plane 121 and the first auxiliary support surface 124, respectively. In this way, even if the base 20 in the above embodiment is not provided, the first bottom plane 121 and the first auxiliary support surface 124 can support the first type of battery 201. , so that the other part of its bottom will not be in a suspended state, thereby improving the stability of the first type of battery 201 set in the battery seat barrel, reducing vibration, and avoiding lateral pressure and weight; of course, in order to achieve a better stable support effect, it is preferred that while setting the first auxiliary support surface 124, a bottom bracket 20 can also be filled on the second bottom plane 122 between the first bottom plane 121 and the first auxiliary support surface 124, and the top surface of the bottom bracket 20 is flush with the first bottom plane 121 and the first auxiliary support surface 124. In this way, the bottom of the first type of battery 201 will not be suspended at all, further enhancing its stability and further reducing vibration. In addition, it is preferred that the short side length of the first auxiliary support surface 124 is less than the first short side length of the first bottom plane 121. When the electric vehicle is parked, it is preferred that the side with the first auxiliary support surface 124 is slightly tilted to facilitate battery placement.

[0073] A preferred embodiment is as follows Figure 8 As shown, the inner top surface 31 of the aforementioned cover body 30 may be provided with a contact pressing portion for pressing against the top of the battery. Specifically, the contact pressing portion may be provided with a plurality of rubber pressing blocks. The rubber pressing blocks made of rubber material are elastic, can be pressed conveniently, and have a rebound effect. At least two rubber pressing blocks (such as the first rubber pressing block 311) are provided above the corresponding internal accommodation space 11 for accommodating the battery to press against the top of the battery, further ensuring that the battery is placed inside the battery holder barrel body 10 without shaking, reducing vibration, and being placed more stably; at least another two rubber pressing blocks (such as the second rubber pressing block 312) are provided near the side of the inner top surface 31 of the cover body 30 to press against the top outer edge 13 of the battery holder barrel, so as to further ensure the stability of the battery holder barrel body 10.

[0074] Further preferably, the cover body 30 in the aforementioned embodiment can be configured as a cushion, and the top outer surface and the side outer surface of the cover body 30 are made of soft material and have a cushion function. One side edge of the bottom of the cover body 30 is rotatably connected to one side edge of the top opening of the battery seat barrel body 10 through a rotating shaft 32 to realize rotational opening and closing for easy opening and closing.

[0075] When the cover 30 is configured as a seat cushion, since the seat cushion of an electric vehicle also has size requirements, which are generally larger than the opening size of the battery seat bucket, the aforementioned top outer edge 13 is provided in connection with the top outer edge of the battery seat bucket body 10, which can take into account both the size requirements of the seat cushion and the size requirements of the top opening of the battery seat bucket body.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery holder structure, characterized in that: include: A battery holder barrel body (10) has an internal accommodating space (11), the bottom of which is arranged as a stepped bottom (12), the stepped bottom (12) comprising at least two bottom planes with different height intervals from the top of the battery holder barrel body (10), and connecting vertical walls respectively connected to adjacent sides of two adjacent bottom planes, The height spacing between each bottom plane and the top of the battery holder barrel body (10) corresponds to the height dimension setting of each different type of battery, and the long side dimension and short side dimension of the cross section of the battery holder barrel body (10) at the height position of each bottom plane are respectively greater than or equal to the length dimension and width dimension setting of the battery of the corresponding model.

2. The battery holder structure according to claim 1, characterized in that: The stepped bottom (12) comprises a first bottom plane (121) and a second bottom plane (122), the first bottom plane (121) comprises a first side (1211) and a second side (1212) opposite to each other, the second bottom plane (122) comprises a third side (1221) and a fourth side (1222) opposite to each other, the second side (1212) and the third side (1221) adjacent to each other of the first bottom plane (121) and the second bottom plane (122) are respectively connected to the top side and the bottom side of the first connecting vertical wall (123), A first height distance between the first bottom plane (121) and the top of the battery holder barrel body (10) is smaller than a second height distance between the second bottom plane (122) and the top of the battery holder barrel body (10).

3. The battery holder structure according to claim 2, characterized in that: The first bottom plane (121) corresponds to abutting against the bottom of a first type of battery (201), the second bottom plane (122) corresponds to abutting against the bottom of a second type of battery (202), the first height spacing is greater than or equal to the height of the first type of battery (201), and the second height spacing is greater than or equal to the height of the second type of battery (202).

4. The battery holder structure according to claim 3, characterized in that: The first side (1211) of the first bottom plane (121) coincides with the bottom side of the first inner wall of the battery holder barrel body (10), and the fourth side (1222) of the second bottom plane (122) coincides with the bottom side of the second inner wall (14) of the battery holder barrel body (10) opposite to the first inner wall thereof; The larger of the size of the first side (1211) and the distance between the first side (1211) and the second inner wall (14) is the first long side, and the smaller is the first short side, the length of the first long side is greater than or equal to the length of the first type of battery (201), and the length of the first short side is greater than or equal to the width of the first type of battery (201); The length of the second bottom plane (122) is greater than or equal to the length of the second type of battery (202) and less than the length of the first long side, and the width of the second bottom plane (122) is greater than or equal to the width of the second type of battery (202) and less than the length of the first short side.

5. The battery holder structure according to claim 4, characterized in that: The first height distance is greater than or equal to 265 mm, the first long side is greater than or equal to 184 mm, and the first short side is greater than or equal to 156 mm; The second height spacing is greater than or equal to 324.8 mm, the length of the second bottom plane (122) is greater than or equal to 179.5 mm, and the width of the second bottom plane (122) is greater than or equal to 110.5 mm.

6. The battery holder structure according to claim 4 or 5, characterized in that: It also includes a base (20) that can be placed in a space formed by the first connecting vertical wall (123), the second bottom plane (122) and the second inner wall (14) being connected in sequence, and the top surface of the base (20) is flush with the first bottom plane (121); and / or The stepped bottom (12) of the battery holder barrel body (10) may also include a first auxiliary support surface (124) arranged at the same height as the first bottom plane (121), and the first bottom plane (121) and the first auxiliary support surface (124) are respectively located above the opposite sides of the second bottom plane (122); when the first type of battery is used, the opposite sides of the first type of battery are overlapped and supported on the first bottom plane (121) and the first auxiliary support surface (124).

7. The battery holder structure according to claim 2, characterized in that: The top of the battery holder barrel body (10) is opened. The battery holder bucket structure also includes a cover body (30) arranged on the top opening, and the cover body (30) can open or close the top opening. The inner top surface (31) of the cover body (30) is provided with a contact pressing portion for pressing against the top of the battery.

8. The battery holder structure according to claim 7, characterized in that: The abutting and pressing portion is configured as a plurality of rubber pressing blocks, wherein at least two of the rubber pressing blocks are disposed above the internal accommodating space (11) corresponding to the battery, and wherein at least another two of the rubber pressing blocks are disposed near the side of the internal top surface (31) of the cover body (30) for pressing against the top outer edge (13) of the battery holder barrel.

9. The battery holder structure according to claim 7 or 8, characterized in that: The cover body (30) is configured as a seat cushion, the top outer surface and the side outer surface of the cover body (30) are made of soft material, and one side edge of the bottom of the cover body (30) is rotatably connected to one side edge of the top opening of the battery seat barrel body (10) via a rotating shaft (32).

10. An electric vehicle, characterized in that: A battery holder bucket structure comprising any one of claims 1-9.

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