Battery support

Abstract

The utility model provides a battery bracket. The battery bracket comprises a mounting assembly and a connecting piece, wherein the mounting assembly is used for being combined with a battery; the connecting piece is used for being combined with a frame; the connecting piece is fixed to the first side of the mounting assembly, so that the frame is combined with the connecting piece on the first side of the mounting assembly; the second side, opposite to the first side, of the mounting assembly is combined with the battery, so that when the battery is combined with the mounting assembly, the frame connected to the connecting piece avoids the battery. The battery support is integrated on the frame by arranging the connecting piece on the first side of the mounting assembly, the battery is integrated on the second side of the mounting assembly, and the position where the frame is located avoids the battery, so that the battery can be disassembled and assembled under the condition that the battery support does not need to be disassembled from the frame, and the technical problem that the battery is inconvenient to maintain is solved. And the battery is directly integrated on the mounting assembly, so that the strength of the connecting structure between the battery bracket and the frame is not influenced when the battery is assembled and disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to power battery technical field, concretely relates to a battery support. BACKGROUND

[0002] In the related art, the power battery is installed on the frame through the battery support, and the battery support is often installed on the side of the frame, that is, a side-hanging support, or the battery support is suspended below the frame, that is, a bottom-mounted support. The bottom-mounted frame is gradually used due to the advantages of facilitating vehicle dynamic balance and vehicle gravity center, but the support needs to be disassembled from the frame as a whole to assemble and disassemble the battery, which is inconvenient during assembly and maintenance. SUMMARY

[0003] The embodiment of the utility model provides a battery support, which can improve the technical problem that the battery support is inconvenient to maintain the battery when used on the vehicle.

[0004] The battery support provided by the embodiment of the utility model comprises:

[0005] An installation assembly is used to combine with the battery;

[0006] A connecting piece is used to combine with the frame;

[0007] The connecting piece is fixed to the first side of the installation assembly, so that the frame is combined with the connecting piece on the first side of the installation assembly; the installation assembly is combined with the battery on the second side opposite to the first side, so that the frame connected to the connecting piece avoids the battery when the battery is combined with the installation assembly.

[0008] In an embodiment, the battery support further comprises:

[0009] A surrounding assembly is formed with an accommodation space for accommodating the battery;

[0010] The surrounding assembly is connected to the first side of the installation assembly, so that at least a part of the battery is located on the first side of the installation assembly.

[0011] In an embodiment, the installation assembly is provided with at least two surrounding assemblies spaced apart along the first direction; so that at least a part of the battery is located between the two adjacent surrounding assemblies along the first direction; and the connecting piece is located between the two adjacent surrounding assemblies along the first direction.

[0012] In an embodiment, the surrounding assembly comprises:

[0013] A first surrounding plate is connected to one end of the installation assembly along the first direction;

[0014] A second surrounding plate is connected to one end of the installation assembly along the first direction, and is spaced apart from the first surrounding plate along a second direction different from the first direction.

[0015] a plurality of connecting rods connected between the first enclosing plate and the second enclosing plate in the second direction to form the containing space together with the first enclosing plate and the second enclosing plate.

[0016] In an embodiment, the enclosing assembly further comprises:

[0017] a protection member connected between the first enclosing plate and the second enclosing plate in a third direction;

[0018] wherein, in the third direction defined by the first side and the second side of the mounting assembly, the protection member is arranged at the end of the first enclosing plate and the second enclosing plate away from the mounting assembly to form part of the boundary of the containing space in the third direction.

[0019] In an embodiment, the first enclosing plate and / or the second enclosing plate is formed with a hollow space.

[0020] In an embodiment, the enclosing assembly further comprises: a movable rod;

[0021] wherein, in the third direction defined by the first side and the second side of the mounting assembly, the movable rod is arranged at the end of the first enclosing plate and the second enclosing plate away from the mounting assembly, and forms a detachable fixed connection with at least one of the first enclosing plate and the second enclosing plate.

[0022] In an embodiment, the mounting assembly comprises: a mounting beam and an intermediate beam;

[0023] wherein, the at least two mounting beams are arranged at intervals in the second direction; the intermediate beam is connected between the adjacent two mounting beams in the second direction, and the adjacent two mounting beams are arranged at intervals with at least two intermediate beams in the first direction, so that at least part of the battery enters the containing space from the mounting channel formed between the plurality of mounting beams and the plurality of intermediate beams.

[0024] In an embodiment, the connecting member is fixedly arranged on the mounting beam, and the mounting beam is provided with at least two connecting members; the at least two connecting members are arranged at intervals in the first direction to avoid the part of the battery located at the first side of the connecting member.

[0025] In an embodiment, the battery support further comprises:

[0026] a reinforcing rib fixedly connected with the mounting beam;

[0027] wherein, the reinforcing rib is arranged between the adjacent two connecting members arranged at intervals in the first direction.

[0028] The beneficial effects of the embodiments of the utility model:

[0029] In the embodiment of the utility model, through set up connecting piece on the first side of installation assembly to integrate battery support to frame, and battery is integrated on the second side of installation assembly, and the position of frame avoids battery, can realize the condition of not needing to disassemble battery support from frame under the condition of dismounting battery, thereby improve the technical problem of inconvenient maintenance of battery. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only is some embodiments of the utility model, for the person skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0031] Figure 1 It is the assembly diagram of battery support and battery provided by the embodiment of the utility model;

[0032] Figure 2 It is the three-dimensional schematic view of battery support provided by the embodiment of the utility model;

[0033] Figure 3 It is the explosion view of battery support provided by the embodiment of the utility model;

[0034] Figure 4 It is Figure 2 The local enlarged view of part A in Fig.

[0035] Mark explanation of drawing:

[0036] 100, battery support;

[0037] 110, installation assembly;

[0038] 111, installation beam;112, intermediate beam;

[0039] 120, connecting piece;

[0040] 130, enclosing assembly;130a, containing space;130b, hollow space;

[0041] 131, first enclosing plate;132, second enclosing plate;133, connecting rod;134, protection piece;135, movable rod;136, third enclosing plate;

[0042] 140, reinforcing rib;140a, U-shaped opening;

[0043] a1, first side; a2, second side; X1, first direction; X2, second direction; X3, third direction. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. In addition, it should be understood that the specific embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model. In the utility model, the orientation words such as 'up' and 'down' are generally used for indicating the up and down in the actual use or working state of the device, and the specific is the drawing direction in the drawings; and 'inner' and 'outer' are used for the contour of the device.

[0045] With reference to Figures 1 to 4 As shown in the figure, the utility model provides a kind of battery support 100, for the power battery integrated installation to the frame of vehicle, as specific scheme, the battery support 100 for example can be bottom-mounted support, i.e. the battery support 100 is integrated on the frame and makes power battery below the frame, to avoid lifting vehicle gravity center.

[0046] With reference to Figure 1 And Figure 2 As shown in the figure, the battery support 100 includes: installation component 110 and connecting piece 120. Wherein, installation component 110 is used to be combined with battery;Connecting piece 120 is used to be combined with frame;Connecting piece 120 is fixed to the first side a1 of installation component 110, so that the frame is combined with connecting piece 120 in the first side a1 of installation component 110;Installation component 110 is combined with battery in the second side a2 opposite first side a1, so that the frame connected on connecting piece 120 avoids battery when battery is combined with installation component 110.

[0047] As specific scheme, when battery support 100 is integrated as bottom-mounted support on the frame of vehicle, the third direction X3 defined by the first side a1 and the second side a2 of installation component 110 can be the height direction of vehicle body, i.e. in actual use, frame is fixedly connected above installation component 110, and correspondingly, battery is arranged below frame.

[0048] With the above scheme, the battery support 100 is integrated to the vehicle frame by arranging the connecting member 120 on the first side a1 of the mounting assembly 110, while the battery is integrated on the second side a2 of the mounting assembly 110, and the position of the vehicle frame is avoided from the battery, so that the battery can be disassembled without the need of disassembling the battery support 100 from the vehicle frame, thereby improving the technical problem of inconvenient maintenance of the battery. Moreover, the battery is directly integrated on the mounting assembly 110, and the connection strength between the battery support 100 and the vehicle frame is not affected when the battery is disassembled or assembled, so that the structure stability of the vehicle is ensured while the battery is conveniently disassembled or assembled.

[0049] In an embodiment, the battery support 100 further comprises an enclosing assembly 130. The enclosing assembly 130 is formed with an accommodating space 130a for accommodating the battery; and the enclosing assembly 130 is connected to the first side a1 of the mounting assembly 110, so that at least a part of the battery is located on the first side a1 of the mounting assembly 110. By arranging the enclosing assembly 130, on the one hand, the accommodating space 130a formed by the enclosing assembly 130 is used to limit the battery, so as to facilitate the integration of the battery on the battery support 100. On the other hand, the enclosing assembly 130 is arranged on the first side a1 of the mounting assembly 110, so that the accommodating space 130a is at least partially formed on the first side a1 of the mounting assembly 110. This arrangement makes the battery relatively close to the vehicle frame in the direction of the vehicle body, so as to make full use of the space below the vehicle frame and improve the space integration.

[0050] In an embodiment, the mounting assembly 110 is spaced apart from at least two enclosing assemblies 130 along a first direction X1, so that at least a part of the battery is located between the two adjacent enclosing assemblies 130 along the first direction X1. As a specific example, the first direction X1 is, for example, the width direction of the vehicle body. The connecting member 120 is located between the two adjacent enclosing assemblies 130 along the first direction X1, so that different parts of the battery are arranged on both sides of the vehicle frame. In a more specific scheme, the connecting member 120 is fixedly connected to the beam of the vehicle frame, for example, so as to make full use of the space on both sides of the beam of the vehicle frame to arrange the battery, thereby providing higher battery capacity in the form of improving the overall volume of the battery.

[0051] In a more specific scheme, the wiring terminal of the battery for electrically connecting with other electrical equipment on the vehicle can be arranged in the region between the two enclosing assemblies 130 spaced apart along the first direction X1, i.e., arranged below the beam of the vehicle frame, so as to facilitate the layout of the power supply line connected with the wiring terminal on the vehicle.

[0052] In an embodiment, the enclosing assembly 130 comprises a first enclosing plate 131, a second enclosing plate 132 and a plurality of connecting rods 133.

[0053] The first enclosing plate 131 is connected to one end of the mounting assembly 110 along the first direction X1; the second enclosing plate 132 is connected to one end of the mounting assembly 110 along the first direction X1 and is spaced apart from the first enclosing plate 131 along a second direction X2 different from the first direction X1. As a specific example, the second direction X2 is, for example, the length direction of the vehicle body. The plurality of connecting rods 133 are connected between the first enclosing plate 131 and the second enclosing plate 132 along the second direction X2 to form the containing space 130a together with the first enclosing plate 131 and the second enclosing plate 132. In this way, the containing space 130a is formed by the cooperation of the first enclosing plate 131, the second enclosing plate 132 and the plurality of connecting rods 133, the partition plate provides stable connection strength, and the plurality of connecting rods 133 can be spaced apart from each other, so that the battery support 100 is not too heavy and the whole vehicle is lightened.

[0054] In a specific scheme, the first enclosing plate 131 and / or the second enclosing plate 132 is / are formed with a hollow space 130b to further reduce the self-weight of the battery support 100, and also facilitate heat dissipation of the battery from the hollow space 130b to the outside of the containing space 130a, so that the battery can work stably.

[0055] In an embodiment, the enclosing assembly 130 further comprises a protection member 134. The protection member 134 is connected between the first enclosing plate 131 and the second enclosing plate 132 along a third direction X3, and is arranged at one end of the first enclosing plate 131 and the second enclosing plate 132 away from the mounting assembly 110 along the third direction X3 defined by the first side a1 and the second side a2 of the mounting assembly 110, to form part of the boundary of the containing space 130a along the third direction X3. This arrangement can ensure the structural strength of the battery support 100 while providing protection for the top of the battery.

[0056] In a specific scheme, the protection member 134 can be a combination of a plurality of rod members, which can be connected between the first enclosing plate 131 and the second enclosing plate 132 or connected to each other. The protection member 134 formed by the combination of the rod members can also ensure the structural strength while forming gaps between the rod members for heat dissipation of the battery to the outside of the containing space 130a, and can reduce the self-weight of the battery support 100 compared to the way of installing a whole plate member on the top of the first enclosing plate 131 and the second enclosing plate 132.

[0057] In an embodiment, referring to FIG. 1, Figure 3 The enclosing assembly 130 further comprises a movable rod 135.

[0058] The movable rod 135 is arranged at one end of the first enclosing plate 131 and the second enclosing plate 132 away from the mounting assembly 110 in the third direction X3 defined by the first side a1 and the second side a2 of the mounting assembly 110, and is detachably fixed with at least one of the first enclosing plate 131 and the second enclosing plate 132. As a specific scheme, the movable rod 135 is fixed between the first enclosing plate 131 and the second enclosing plate 132, for example, by screwing. By arranging the movable rod 135, the movable rod 135 can be separated from the first enclosing plate 131 and the second enclosing plate 132 to avoid the installation of components such as wire harnesses and water pipes on the vehicle, to provide operation space for the locking of other components, and then the movable rod 135 is fixed to the first enclosing plate 131 and the second enclosing plate 132 to strengthen the structural strength and stability of the battery support 100 through the movable rod 135.

[0059] As an example of a specific scheme, the mounting assembly 110 includes a mounting beam 111 and an intermediate beam 112.

[0060] The at least two mounting beams 111 are arranged at intervals in the second direction X2, and the mounting beam 111 can be fixed with the battery by screwing. The intermediate beam 112 is connected between the adjacent two mounting beams 111 in the second direction X2, and the adjacent two mounting beams 111 are arranged at intervals in the first direction X1 by at least two intermediate beams 112, so that at least part of the battery enters the containing space 130a from the mounting channel formed between the plurality of mounting beams 111 and the plurality of intermediate beams 112, and the intermediate beam 112 is fixed with the mounting beam 111, for example, by welding.

[0061] Therefore, the battery can be placed from the first side a1 of the mounting assembly 110 to the second side a2 of the mounting assembly 110 in the first direction X1, which fully utilizes the space below the vehicle frame to place the battery, and the battery is fixed with the mounting beam 111 at its own periphery, so that the battery bottom can be placed without additional support, so that after the threaded fasteners (such as the combination of bolts and nuts) locked between the battery and the mounting beam 111 are removed, the battery can be removed from the battery support 100, and the mounting and dismounting does not involve adjustment or dismounting of the connecting structure between the vehicle frame and the battery support 100, without the need to separate the battery support 100 from the vehicle frame, facilitating the maintenance of the battery, and being conducive to ensuring the stability of the connecting structure between the vehicle frame and the battery support 100.

[0062] In an embodiment, the mounting assembly 110 includes three mounting beams 111 spaced apart along the second direction X2, corresponding to the three mounting beams 111 being connected as a whole through four intermediate beams 112, and the enclosing assembly 130 further includes a third enclosing plate 136 spaced apart from the second enclosing plate 132 along the second direction X2, the first enclosing plate 131, the second enclosing plate 132 and the third enclosing plate 136 are respectively fixed on different mounting beams 111 by welding or the like, and the second enclosing plate 132 and the third enclosing plate 136 are connected through the protection piece 134, the movable rod 135 and some connecting rods 133, thereby forming a containing space 130a between the second enclosing plate 132, the third enclosing plate 136, the protection piece 134, the movable rod 135 and some connecting rods 133, so as to install more batteries in the containing space 130a to meet the use of vehicles with greater power demand.

[0063] In an embodiment, the connecting piece 120 is fixedly arranged on the mounting beam 111, and the mounting beam 111 is provided with at least two connecting pieces 120 along the first direction X1, considering that the number of girders of the vehicle frame is often two or more, a plurality of connecting pieces 120 can be used to connect different girders respectively, so as to improve the connection stability of the battery support 100 and the vehicle frame. The at least two connecting pieces 120 are spaced apart along the first direction X1 to avoid the part of the battery located on the first side a1 of the connecting piece 120, so that the battery can be normally placed in the area directly below the vehicle frame girder, so as to make full use of the area below the vehicle frame girder to integrate the battery and improve the battery capacity that can be provided by the battery. As a specific scheme, the connecting piece 120 can be fixedly connected with the vehicle frame by screw connection, and the at least two connecting pieces 120 can be fixed on different mounting beams 111 along the first direction X1, so as to form a plurality of connection positions between the battery support 100 and a single girder to improve the connection strength of the battery support 100 and the vehicle frame.

[0064] In an embodiment, the battery support 100 further includes a reinforcing rib 140. The reinforcing rib 140 is fixed on the mounting beam 111, for example, by welding with the first enclosing plate 131 / second enclosing plate 132 / third enclosing plate 136, so as to be fixed on the corresponding mounting beam 111 by the first enclosing plate 131 / second enclosing plate 132 / third enclosing plate 136. The reinforcing rib 140 protrudes from the first side a1 of the connecting assembly and is arranged between two adjacent connecting pieces 120 spaced apart along the first direction X1, and the two ends of the reinforcing rib 140 can abut against the two connecting pieces 120 respectively, so as to improve the connection strength of the connecting piece 120 and the mounting beam 111 by arranging the reinforcing rib 140.

[0065] As an example of a specific scheme, the following mainly provides a specific embodiment as a simple description of the specific connection form between the battery support 100 and the vehicle frame.

[0066] In one specific embodiment, with reference to Figures 1 to 4 As shown, the mounting beams 111, the intermediate beam 112, the first enclosure plate 131, the second enclosure plate 132, the third enclosure plate 136 and the connecting member 120 are steel products, for example, the material of these parts is DL510. Among them, the three mounting beams 111 arranged at intervals along the first direction X1 are welded with the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136 respectively, the weld is a fillet weld, the weld height is 6mm, the thickness along the mounting beam 111 is 25mm, and a plurality of through holes with a diameter of 15mm are formed on it for locking with the periphery of the battery by threaded connection.

[0067] The thickness of the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136 is 16mm, and the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136 are provided with hollow spaces 130b on the top for weight reduction. A plurality of L-shaped brackets are welded on the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136 for integrated installation of other structural members on the vehicle. Two first enclosure plates 131 are arranged at intervals along the second direction X2 on the first connecting beam, two second enclosure plates 132 are arranged at intervals along the second direction X2 on the second connecting beam, and two third enclosure plates 136 are arranged at intervals along the third direction X3 on the third connecting beam.

[0068] The thickness of the intermediate beam 112 is 10mm, and the two ends need to be chamfered, and are welded with the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136, and the welding material needs to fill the gap between the intermediate beam 112 and the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136.

[0069] The thickness of the movable rod 135 is 4mm, which is locked and connected between the first enclosure plate 131 and the second enclosure plate 132, or between the second enclosure plate 132 and the third enclosure plate 136 by M10 bolts.

[0070] The connecting member 120 is in the form of a plate, and the thickness is 25mm. Each connecting plate is welded with the first enclosure plate 131, the second enclosure plate 132 and the third enclosure plate 136, so that each connecting plate is fixed to the corresponding connecting beam. The weld is a fillet weld, and the weld height is 8mm. Each connecting plate is locked with the frame girder by a plurality of M20 or M16 bolts.

[0071] The thickness of the reinforcing rib 140 is 12mm, and the two ends are welded with the first enclosure plate 131 / second enclosure plate 132 / third enclosure plate 136 on the corresponding connecting beam, so that the reinforcing rib 140 is fixed to the connecting beam. The weld of the reinforcing rib 140 is a fillet weld, and the weld height is 8mm. With reference to Figure 4The reinforcing rib 140 is provided with a plurality of U-shaped openings 140a to avoid the bolts and nuts connecting the battery and the connecting beam,

[0072] The plurality of connecting rods 133 are connected to the first enclosing plate 131 and the second enclosing plate 132 by welding, or connected to the second enclosing plate 132 and the third enclosing plate 136 by welding.

[0073] The overall size of the battery support 100 along the first direction X1 is 2443mm, the overall size along the second direction X2 is 2460mm, and the overall size along the third direction is 397mm. The surfaces of the components such as the mounting beam 111, the intermediate beam 112, the first enclosing plate 131, the second enclosing plate 132, the third enclosing plate 136 and the connecting piece 120 in the battery support 100 are protected from rust and insulation by spraying plastic powder or electrophoresis process, and the overall weight tolerance is (430±15)Kg.

[0074] The above detailed the embodiments of the present application, the principle and implementation of the present application are described by applying specific examples, the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for the skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, and the above description should not be understood as the limitation of the present application.

Claims

1. A battery holder (100) characterized by, The battery support (100) comprises: a mounting assembly (110) configured to be combined with a battery; a connecting member (120) configured to be combined with a vehicle frame; an enclosing assembly (130) configured to form a receiving space (130a) for receiving the battery; wherein the connecting member (120) is fixed to a first side (a1) of the mounting assembly (110) so that the vehicle frame is combined with the connecting member (120) at the first side (a1) of the mounting assembly (110); and the mounting assembly (110) is combined with the battery at a second side (a2) opposite to the first side (a1) so that the vehicle frame connected to the connecting member (120) is avoided by the battery when the battery is combined with the mounting assembly (110); the enclosing assembly (130) is connected to the first side (a1) of the mounting assembly (110) so that at least a part of the battery is located at the first side (a1) of the mounting assembly (110); the enclosing assembly (130) comprises: a first enclosing plate (131) connected to one end of the mounting assembly (110) along a first direction (X1); a second enclosing plate (132) connected to one end of the mounting assembly (110) along the first direction (X1) and spaced apart from the first enclosing plate (131) along a second direction (X2) different from the first direction (X1); and a plurality of connecting rods (133) connected between the first enclosing plate (131) and the second enclosing plate (132) along the second direction (X2) to form the receiving space (130a) together with the first enclosing plate (131) and the second enclosing plate (132).

2. The battery support (100) according to claim 1, wherein: the mounting assembly (110) is spaced apart from at least two enclosing assemblies (130) along the first direction (X1); so that at least a part of the battery is located between two adjacent enclosing assemblies (130) along the first direction (X1); and the connecting member (120) is located between two adjacent enclosing assemblies (130) along the first direction (X1).

3. The battery support (100) according to claim 1, wherein: the enclosing assembly (130) further comprises: a protection member (134) connected between the first enclosing plate (131) and the second enclosing plate (132) along a third direction (X3); and wherein the protection member (134) is located at one end of the first enclosing plate (131) and the second enclosing plate (132) away from the mounting assembly (110) along the third direction (X3) defined by the first side (a1) and the second side (a2) of the mounting assembly (110), so as to form a part of the boundary of the receiving space (130a) along the third direction (X3).

4. The battery support (100) according to claim 1, wherein: the first enclosing plate (131) and / or the second enclosing plate (132) is / are formed with a hollow space (130b).

5. The battery holder (100) according to any one of claims 1 to 4, characterized in that, the enclosing assembly (130) further comprises a movable rod (135); wherein the movable rod (135) is disposed at an end of the first enclosing plate (131) and the second enclosing plate (132) away from the mounting assembly (110) and is detachably fixedly connected with at least one of the first enclosing plate (131) and the second enclosing plate (132) in a third direction (X3) defined by the first side (al) and the second side (a2) of the mounting assembly (110).

6. The battery holder (100) according to any one of claims 1 to 4, characterized in that, the mounting assembly (110) comprises a mounting beam (111) and an intermediate beam (112); wherein at least two of the mounting beams (111) are disposed in a second direction (X2) at intervals; the intermediate beam (112) is connected between two adjacent mounting beams (111) in the second direction (X2), and two adjacent mounting beams (111) are disposed at intervals in a first direction (XI) different from the second direction (X2) with at least two intermediate beams (112) therebetween, so that at least part of the battery enters the containing space (130a) from the mounting channel formed between the mounting beams (111) and the intermediate beams (112).

7. The battery holder (100) according to claim 6, characterized in that: the connecting piece (120) is fixedly disposed on the mounting beam (111), and the mounting beam (111) is provided with at least two connecting pieces (120); at least two connecting pieces (120) are disposed at intervals along the first direction (XI) to avoid the part of the battery located on the first side (al) of the connecting piece (120).

8. The battery holder (100) according to claim 7, characterized in that: The battery holder (100) further comprises: a reinforcing rib (140) fixedly connected with the mounting beam (111); wherein the reinforcing rib is disposed between two adjacent connecting pieces (120) disposed at intervals in the second direction (X2).

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