Large cylindrical battery pack box body structure

Abstract

The utility model relates to the technical field of automobile battery packs, and discloses a large cylindrical battery pack box structure which comprises a bearing mechanism and a limiting placement mechanism, the bearing mechanism comprises a first frame, and the limiting placement mechanism comprises a second frame arranged over the first frame. Four supporting rods are correspondingly and fixedly connected between the four corners of the bottom wall of the first frame and the four corners of the top wall of the second frame. According to the utility model, the large cylindrical battery pack box body structure design with the open periphery and the open side is adopted, the large cylindrical battery pack box body structure comprises the upper frame and the lower frame, and the two frames are fixed through the supporting rods at the four corners of the opposite ends of the two frames; the heat dissipation of the peripheral sides of the batteries after a plurality of large cylindrical batteries are mounted in the box body structure of the large cylindrical battery pack is ensured, and meanwhile, a plurality of heat-insulating flame-retardant plates are horizontally arranged in the box body structure, so that the mutual heat influence between two adjacent rows of large cylindrical batteries is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile battery package, concretely to a big cylindrical battery package box structure. BACKGROUND

[0002] The big cylindrical battery package is the main battery assembly of new energy automobile, wherein the external box material of the big cylindrical battery package box structure usually adopts high-strength metal material such as aluminum alloy, steel material etc., the aluminum alloy has the advantages of light weight, corrosion resistance, can effectively reduce the whole vehicle weight, improve the endurance mileage, and the steel material has higher strength, can better protect the battery package from external impact.

[0003] The existing big cylindrical battery package box structure still has the following problems when in use: the whole big cylindrical battery package box structure is of closed structure design, although the reliability of the whole big cylindrical battery package box structure is improved to a certain extent, but the big cylindrical battery is arranged in the box structure, the big cylindrical battery is wrapped by the closed big cylindrical battery package box structure, which is not conducive to the heat dissipation of the big cylindrical battery, and thus an active cooling mechanism needs to be additionally equipped, increasing the cost. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a big cylindrical battery package box structure, which solves the problems in the background art.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a big cylindrical battery package box structure, including bearing mechanism and limiting placement mechanism, the bearing mechanism includes first frame, the limiting placement mechanism includes the second frame that sets up in the first frame directly above, the first frame bottom wall four corners with the second frame top wall four corners between corresponding fixed connection has a total of four support rods.

[0008] As a further scheme of the utility model: the first frame inner side wall middle part is fixedly connected with the bearing plate, the first frame top wall is horizontally and equidistantly provided with a plurality of first clamping grooves, the second frame inner side wall upper side is fixedly connected with the limiting installation plate, a plurality of limiting placement holes are arranged in a rectangular array between the upper and lower side walls of the limiting installation plate, a plurality of second clamping grooves are arranged in the second frame bottom wall corresponding to the plurality of first clamping grooves, and the first clamping grooves and the second clamping grooves are fixedly connected with the same heat insulation and flame retardant plate arranged in an upper and lower symmetrical manner, and each heat insulation and flame retardant plate is located between every adjacent two rows of limiting placement holes.

[0009] As a further scheme of the utility model: two reinforcing beams are fixedly connected between the opposite sides of the two supporting rods on the upper and lower sides in a symmetrical manner, a notch groove is formed at each of the four corner portions of the first frame bottom wall, an installation seat is fixedly installed in each notch groove, and an L-shaped installation groove is formed between the upper and lower side walls of one end of the four installation seats.

[0010] As a further scheme of the utility model: an auxiliary heat dissipation hole is formed below each limiting placement hole between the upper and lower side walls of the supporting plate, the diameter of the auxiliary heat dissipation hole is smaller than that of the limiting placement hole, an arc-shaped limiting plate is fixedly connected to the supporting plate top wall below each limiting placement hole, and two limiting placement holes are arranged in a front-rear symmetrical manner with respect to the limiting placement hole above the corresponding side.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、In the utility model, the large cylindrical battery package box body structure is designed with an open type around the side, the large cylindrical battery package box body structure comprises two frames, the two frames are fixed through the supporting rods at the four corner portions of the opposite ends, compared with the closed box body structure design around the side, the battery side heat dissipation after installing multiple large cylindrical batteries in the large cylindrical battery package box body structure is ensured, meanwhile, multiple heat insulation and flame retardant plates are arranged horizontally in the box body structure, so that the mutual heat influence between the two adjacent rows of large cylindrical batteries is avoided.

[0013] 2、In the utility model, the bottom auxiliary heat dissipation mechanism is arranged, the limiting installation plate is fixedly connected to the top frame, multiple limiting placement holes are formed in the limiting installation plate in a rectangular array, the supporting plate is fixedly connected to the bottom frame, the auxiliary heat dissipation hole with a small diameter is formed below each limiting placement hole in the supporting plate top end, so as to assist the heat dissipation of the bottom of the large cylindrical battery, and the heat dissipation efficiency of the large cylindrical battery in the large cylindrical battery package box body structure is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall three-dimensional structure of the utility model Figure 1 ;

[0015] Figure 2 It is the overall three-dimensional structure of the utility model Figure 2 ;

[0016] Figure 3 It is the supporting mechanism three-dimensional view of the utility model;

[0017] Figure 4 It is the limiting placement mechanism three-dimensional view of the utility model.

[0018] In the figure: 1, bearing mechanism; 2, limiting placement mechanism; 3, heat insulation and flame retardant plate; 11, first frame; 12, first clamping groove; 13, notch groove; 14, mounting seat; 15, L-shaped mounting groove; 16, supporting rod; 17, reinforcing beam; 18, bearing plate; 19, arc limiting plate; 110, auxiliary heat dissipation hole; 21, second frame; 22, limiting mounting plate; 23, limiting placement hole; 24, second clamping groove. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0020] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1-4 In the embodiment of the present application, a large cylindrical battery pack box structure includes a bearing mechanism 1 and a limiting placement mechanism 2, the bearing mechanism 1 includes a first frame 11, the limiting placement mechanism 2 includes a second frame 21 arranged above the first frame 11, and a total of four supporting rods 16 are fixedly connected between the four corners of the bottom wall of the first frame 11 and the four corners of the top wall of the second frame 21. The overall design adopts an open type large cylindrical battery pack box structure design, the large cylindrical battery pack box structure includes two frames, the two frames are fixed through the supporting rods 16 at the four corners of the opposite ends, compared with the closed box structure design, the battery side heat dissipation is guaranteed after installing multiple large cylindrical batteries in the large cylindrical battery pack box structure.

[0023] The middle of the inner side wall of the first frame 11 is fixedly connected with a supporting plate 18, a plurality of first clamping grooves 12 are horizontally and equidistantly formed in the top wall of the first frame 11, a limiting mounting plate 22 is fixedly connected to the upper side wall of the inner side wall of the second frame 21, a plurality of limiting placement holes 23 are formed in a rectangular array between the upper and lower side walls of the limiting mounting plate 22, a plurality of second clamping grooves 24 are formed in the bottom wall of the second frame 21 corresponding to the plurality of first clamping grooves 12 below, the same heat-insulating and flame-retardant plate 3 is fixedly connected in the first clamping groove 12 and the second clamping groove 24 arranged in an up-down symmetric manner, each heat-insulating and flame-retardant plate 3 is located between every two adjacent limiting placement holes 23, a plurality of heat-insulating and flame-retardant plates 3 are horizontally arranged in the box body structure, and the heat-insulating and flame-retardant plates 3 are made of rock wool material, so that the mutual heat influence between the adjacent two large cylindrical batteries is avoided.

[0024] Two reinforcing beams 17 are fixedly connected between the opposite side walls of the two support rods 16 on the same side in an up-down symmetric manner, the reinforcing beams 17 play a structure reinforcing role of the overall box body structure, a notch groove 13 is formed at each of the four corner portions of the bottom wall of the first frame 11, an installation seat 14 is fixedly installed in each notch groove 13, and L-shaped installation grooves 15 are formed between the upper and lower side walls of one end of the four installation seats 14, so that the overall box body structure can be installed on the corresponding station by cooperating with the L-shaped installation grooves 15 of the four installation seats 14.

[0025] An auxiliary heat dissipation hole 110 is formed between the upper and lower side walls of the supporting plate 18 corresponding to the lower side of each limiting placement hole 23, the diameter of the auxiliary heat dissipation hole 110 is smaller than that of the limiting placement hole 23, the auxiliary heat dissipation hole 110 is provided with a bottom auxiliary heat dissipation mechanism, the top frame is fixedly connected with the limiting mounting plate 22, a plurality of limiting placement holes 23 are formed in a rectangular array in the limiting mounting plate 22, the bottom frame is fixedly connected with the supporting plate 18, a small-diameter auxiliary heat dissipation hole 110 is formed in the top end of the supporting plate 18 corresponding to the lower side of the plurality of limiting placement holes 23, and the auxiliary heat dissipation hole 110 is used to assist the heat dissipation of the bottom of the large cylindrical battery, so as to further improve the heat dissipation efficiency of the large cylindrical battery in the box body structure of the large cylindrical battery pack, a group of arc limiting plates 19 is fixedly connected to the top wall of the supporting plate 18 corresponding to the lower side of each limiting placement hole 23, two limiting placement holes 23 are arranged in a front-rear symmetric manner with respect to the upper limiting placement hole 23 on the corresponding side, the large cylindrical battery can be put into the upper limiting placement hole 23, the bottom of the large cylindrical battery is supported by the supporting plate 18, the bottom of the large cylindrical battery is assisted and supported by the arc limiting plates 19 at the front and rear ends, and the installation reliability of the large cylindrical battery in the box body structure is good.

[0026] The utility model discloses a working principle is: can be through four mounting seat 14 on L type installation groove 15 cooperation installation assembly and install the whole box body structure on the corresponding station, can be placed into big cylindrical battery via upper limit placement hole 23, and its big cylindrical battery bottom bears through bearing plate 18, and simultaneously its big cylindrical battery bottom has arc limit board 19 auxiliary support at two ends, and the installation reliability of its big cylindrical battery in the box body structure is good, and the whole adopts the big cylindrical battery package box body structure design of open type of four around side, and its big cylindrical battery package box body structure includes two frames, and two frames are fixed through the support rod 16 of its opposite one end four corner places, compared with the box body structure design of closed type of side, guarantees the battery side heat dissipation after installing multiple big cylindrical batteries in big cylindrical battery package box body structure, and in addition, it is horizontally provided with a plurality of heat insulation fire -retardant board 3 in the box body structure, and it is rock wool material, avoids the mutual heat influence between two rows of big cylindrical batteries, and simultaneously its bearing plate 18 top corresponds a plurality of limit placement hole 23 and is equipped with the auxiliary heat dissipation hole 110 of small aperture below, for the heat dissipation of big cylindrical battery bottom.

[0027] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A large cylindrical battery pack box structure, comprising a supporting mechanism (1) and a limiting placement mechanism (2); characterized in that The supporting mechanism (1) comprises a first frame (11), and the limiting placement mechanism (2) comprises a second frame (21) arranged above the first frame (11); four support rods (16) are fixedly connected between four corners of a bottom wall of the first frame (11) and four corners of a top wall of the second frame (21) correspondingly. A supporting plate (18) is fixedly connected to a middle portion of an inner side wall of the first frame (11); a plurality of first clamping grooves (12) are horizontally and equidistantly formed in a top wall of the first frame (11). A limiting installation plate (22) is fixedly connected to an upper portion of an inner side wall of the second frame (21); a plurality of limiting placement holes (23) are formed in a rectangular array between upper and lower side walls of the limiting installation plate (22); and a plurality of second clamping grooves (24) are formed in a bottom wall of the second frame (21) correspondingly to the plurality of first clamping grooves (12). The first clamping grooves (12) and the second clamping grooves (24) arranged in an up-down symmetric manner are fixedly connected with the same heat insulation and flame retardant plate (3) inside; and each heat insulation and flame retardant plate (3) is located between every two adjacent limiting placement holes (23).

2. A large cylindrical battery pack case structure according to claim 1, characterized by: A notch groove (13) is formed in each corner of the bottom wall of the first frame (11).

3. A large cylindrical battery pack case structure according to claim 2, characterized by: An installation seat (14) is fixedly installed in each notch groove (13); and an L-shaped installation groove (15) is formed between upper and lower side walls of a distal end of the four installation seats (14).

4. The large cylindrical battery pack case structure of claim 1, wherein: Two reinforcing beams (17) are fixedly connected between opposite side walls of two support rods (16) on the same side in an up-down symmetric manner.

5. A large cylindrical battery pack case structure according to claim 1, characterized by: An auxiliary heat dissipation hole (110) is formed in the supporting plate (18) between upper and lower side walls correspondingly below each limiting placement hole (23); and a group of arc limiting plates (19) are fixedly connected to a top wall of the supporting plate (18) correspondingly below each limiting placement hole (23).

6. A large cylindrical battery pack case structure according to claim 5, characterized by: The auxiliary heat dissipation hole (110) has a smaller diameter than the limiting placement hole (23).

7. A large cylindrical battery pack case structure according to claim 5, characterized by: A group of the limiting placement holes (23) are two and are arranged in a front-rear symmetric manner with respect to a corresponding limiting placement hole (23) on one side.

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