CN110085781B - Battery fixing frame and side frame thereof - Google Patents

Battery fixing frame and side frame thereof Download PDF

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Publication number
CN110085781B
CN110085781B CN201810075280.0A CN201810075280A CN110085781B CN 110085781 B CN110085781 B CN 110085781B CN 201810075280 A CN201810075280 A CN 201810075280A CN 110085781 B CN110085781 B CN 110085781B
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China
Prior art keywords
side frame
hole
axial direction
strip
frame
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CN201810075280.0A
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CN110085781A (en
Inventor
徐铭鸿
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Mobiletron Electronics Co Ltd
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Mobiletron Electronics Co Ltd
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Priority to CN201810075280.0A priority Critical patent/CN110085781B/en
Publication of CN110085781A publication Critical patent/CN110085781A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

A battery fixing frame comprises at least two serial connection strips, a first side frame and a second side frame, and two groups of battery packs are arranged between the first side frame and the second side frame in parallel. Each serial connection bar respectively penetrates through the corresponding battery module, and two ends of each serial connection bar are connected with the first side frame and the second side frame; the first side frame comprises two adjacent side frames; each side frame is provided with a first side frame strip and a second side frame strip which are opposite, the first frame strip and the second frame strip are respectively provided with a first through hole and a second through hole, and the width of the first through hole is larger than that of the second through hole in a preset axial direction. And the first side frame strip of one side frame is adjacent to the second side frame strip of the other side frame and is fixed by the combining piece through the first through hole and the second through hole. Therefore, the position of the side frame in the preset axial direction can be finely adjusted. The invention also provides a battery fixing frame for fixing a group of battery packs by using the two side frames.

Description

Battery fixing frame and side frame thereof
Technical Field
The present invention relates to securing a battery pack; in particular to a battery fixing frame and a side frame thereof.
Background
With the progress of science and technology, the demand for electric energy is increasing day by day, and for the demand for large electric power, alternating current or a battery pack formed by connecting a plurality of battery modules in series can be used as a power supply. The advantage of using a battery pack as the power source is that the power source is mobile and not limited to use in a fixed location.
In order to fix a plurality of battery modules, a battery fixing frame is produced correspondingly. The conventional battery fixing frame comprises a bottom frame and two side frames, wherein the two side frames are arranged on the bottom frame and are separated from each other by a preset distance, and an accommodating space is defined between the bottom frame and the side frames so as to place a plurality of battery modules arranged along a preset axial direction.
However, when the battery modules are manufactured, it is inevitable that the total length of the plurality of battery modules after being closely arranged does not conform to the predetermined distance between the two side frames due to manufacturing tolerance. For example, when the total length is less than a predetermined distance, the battery modules cannot be fixed by the two side frames, so that the battery modules are in a loose state; when the total length is greater than a predetermined distance, a problem that the battery module cannot be placed between the two side frames may also occur.
Therefore, the design of the conventional battery holder is still not perfect, and there is still a need for improvement.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a battery holder and a side frame thereof, which can finely adjust the position of the side frame to correspond to the tolerance of the housing of the battery module.
In order to achieve the above object, the present invention provides a battery holder for fixing two parallel battery packs, wherein each battery pack comprises a plurality of battery modules arranged along a predetermined axial direction; the battery fixing frame comprises at least two serial connection strips, a first side frame and a second side frame, wherein each serial connection strip extends along the preset axial direction and is respectively used for passing through the battery module of each battery pack; the first side frame comprises two side frames, each side frame comprises a main board, a first side frame strip and a second side frame strip, each main board is provided with a first blocking surface, the two side frame strips are respectively connected to two opposite sides of the main board, the first side frame strip is provided with a first through hole, the second side frame strip is provided with a second through hole, and the first through hole corresponds to the second through hole; the first through hole of each first side frame strip has a first width in the preset axial direction, the second through hole of each second side frame strip has a second width in the preset axial direction, and the first width is greater than the second width; wherein the first side frame strip of one side frame is adjacent to the second side frame strip of the other side frame and fixed by a combining piece passing through the first through hole of the adjacent first side frame strip and the second through hole of the second side frame strip; one end of each serial connection strip is connected with the main board of each side frame; the second side frame is provided with two second blocking surfaces, each second blocking surface faces to the first blocking surface of the main plate of each side frame, the other end of each serial connection strip is connected with each second side frame, and each battery pack is positioned between each first blocking surface and each second blocking surface.
The invention provides a side frame of a battery fixing frame, which comprises a main board, a first side frame strip and a second side frame strip, wherein the first side frame strip and the second side frame strip are respectively connected with two opposite sides of the main board, the first side frame strip is provided with a first through hole, the second side frame strip is provided with a second through hole, and the first through hole corresponds to the second through hole; the first through hole of the first side frame strip has a first width in a predetermined axial direction perpendicular to the main board, the second through hole of the second side frame strip has a second width in the predetermined axial direction, and the first width is greater than the second width.
The invention provides a battery fixing frame which is used for fixing a battery pack, wherein each battery pack comprises a plurality of battery modules which are arranged along a preset axial direction; the battery fixing frame comprises at least one serial connection strip and two side frames, wherein the at least one serial connection strip extends along the preset axial direction and is used for penetrating through the battery modules; the two side frames are spaced at a distance in the preset axial direction; each side frame comprises a main board, a first side frame strip and a second side frame strip, wherein the first side frame strip and the second side frame strip are respectively connected to two opposite sides of the main board; the two main boards are respectively provided with a blocking surface, and the blocking surfaces face each other; wherein, the two ends of the at least one serial connection strip are respectively connected with the two side frames, and the battery pack is positioned between the two retaining surfaces.
The invention has the effect that the battery fixing frame can finely adjust the position of the side frame according to the tolerance of the battery module shells of the two battery packs so as to firmly fix the battery module. In addition, the side frames with the same structure can also save the cost of material preparation and the assembly procedure, and can be applied to fixing a group of battery packs.
Drawings
Fig. 1 is a perspective view of a battery holder for holding a battery pack according to a first preferred embodiment of the present invention.
Fig. 2 is an exploded perspective view of the battery holder according to the preferred embodiment.
Fig. 3 is a perspective view of the battery holder according to the preferred embodiment.
Fig. 4 is a perspective view of the side frame of the preferred embodiment.
Fig. 5 is a perspective view of the frame of the preferred embodiment.
FIG. 6 is a schematic view showing two side frames flush.
FIG. 7 is a schematic view showing a side frame moved to the right.
Fig. 8 is a schematic view showing that the third through hole of the side frame corresponds to the first through hole of the bottom frame.
FIG. 9 is a schematic view illustrating the second through hole of the frame corresponding to the fifth through hole of the side frame.
Fig. 10 is a schematic view showing the fixing stud of the battery module penetrating through the elongated hole of the frame.
Fig. 11 is a perspective view of a battery holder according to a second preferred embodiment of the present invention.
[ notation ] to show
[ invention ]
100 battery holder
10 underframe
12 support strip
122 first through hole
20 first side frame
22 side frame 22' side frame 222 main board
222a first blocking surface 224a first side frame strip 224a first through hole
224b fourth aperture 226a second side frame strip 226a second aperture
226b fifth via 228 bottom frame 228a third via
30 second side frame
302 second stop surface
40 rims
40' frame
42 side plate 422 second through hole 44 top plate
442 long hole
50 series connection strip
200 battery fixing frame
60 first 62 and second 64 side frames
X predetermined axis direction, Z axis direction, Y axis direction
B battery pack
B01 Battery Module B01a casing B01B fixing stud
S-shaped joint
Detailed Description
In order that the invention may be more clearly described, preferred embodiments will now be described in detail with reference to the accompanying drawings. Referring to fig. 1, a battery holder 100 according to a first preferred embodiment of the present invention is used for holding two sets of parallel battery packs B, wherein each battery pack B includes a plurality of battery modules B01 arranged along a predetermined axial direction X, and the housings B01a of two adjacent battery modules B01 of each battery pack B are abutted.
Referring to fig. 2 and 3, the battery holder 100 includes a bottom frame 10, a first side frame 20 and a second side frame 30, wherein the bottom frame 10 includes two support bars 12 respectively located below two groups of battery packs B to support the battery packs B. Each support bar 12 extends along the predetermined axial direction X, and one end of each support bar 12 has a first through hole 122, that is, the chassis defined by the present invention has two first through holes 122, and the other end of each support bar 12 also has a first through hole 122.
The first side frame 20 includes two side frames 22, 22 ', the two side frames 22, 22' have the same structure, please refer to fig. 4, which now takes a side frame 22 as an example, wherein the side frame 22 includes a main plate 222, a first side frame strip 224 and a second side frame strip 226, the main plate 222 is perpendicular to the predetermined axial direction X and has a first blocking surface 222a, the first blocking surface 222a faces a group of battery packs B, the first side frame strip 224 and the second side frame strip 226 are respectively connected to two opposite sides of the main plate 222, and each of the first side frame strip 224 and each of the second side frame strip 226 extend along the same axial direction Z, wherein the first side frame strip 224 has two first through holes 224a, the second side frame strip 226 has two second through holes 226a, and the first through holes 224a correspond to the second through holes 226 a; the first through hole 224a of the first side frame strip 224 has a first width in the predetermined axial direction X, and the second through hole 226a of the second side frame strip 226 has a second width in the predetermined axial direction X, wherein the first width is greater than the second width. Preferably, each first through hole 224a and each second through hole 226a have the same height in the axial direction Z. In this embodiment, each of the second through holes 226a is a circular hole, and each of the first through holes 224a is an elongated hole having a long axis parallel to the predetermined axis X. The side frame 22 includes a bottom frame strip 228 connected to the bottom of the main plate 222, and the bottom frame strip 228 has a plurality of third through holes 228a distributed along the axial direction Y. In the above description, the number of the first through holes 224a, the second through holes 226a and the third through holes 228a is respectively a plurality, and actually, only one first through hole 224a, one second through hole 226a and one third through hole 228a may be provided. The shape and size of the through holes of the first and second side frames 224, 226 can be adjusted according to the requirement.
In addition, the first side frame strip 224 further has a fourth through hole 224b, and the second side frame strip 226 further has a fifth through hole 226b, in this embodiment, the fourth through hole 224b and the fifth through hole 226b are circular holes respectively located near the top edges of the first side frame strip 224 and the second side frame strip 226.
The two side frames 22, 22 'are adjacently disposed on the bottom frame 10, and the first side frame strip 224 of one side frame 22 is adjacent to the second side frame strip 226 of the other side frame 22' and fixed by a joint S, such as a bolt and a nut, passing through the first through hole 224a of the adjacent first side frame strip 224 and the second through hole 226a of the adjacent second side frame strip 226.
Preferably, each side frame 22, 22' is coupled to each support bar 12 of the base frame 10 in a movable manner along the predetermined axial direction X. In this embodiment, the width of each third through hole 228a in the predetermined axial direction X is greater than the width of each first through hole 122 in the predetermined axial direction X, wherein each third through hole 228a is an elongated hole whose long axial direction is parallel to the predetermined axial direction X, and each first through hole 122 is a circular hole; each bottom frame strip 228 and the supporting bar 12 of the bottom frame 10 are fixed by a bolt and nut combination S passing through each third through hole 228a and each corresponding first through hole 122.
The second side frame 30 is combined with the bottom frame 10 and is separated from the first side frame 20 by a distance in the predetermined axial direction X, the second side frame 30 has two second blocking surfaces 302, each second blocking surface 302 faces the first blocking surface 222a of the main plate 222 of each side frame 22, 22', and each battery pack B is located between each first blocking surface 222a and each second blocking surface 302 which face each other. The battery packs B are held by both sides of the battery packs B by the first blocking surfaces 222a and the second blocking surfaces 302. In this embodiment, the second side frame 30 is a single side frame structure, and the two second blocking surfaces 302 are located on the same surface of the single side frame, in practice, the second side frame 30 may also include another two side frames 22, 22' with the same structure, which are combined with the first side frame 20. The second side frame 30 may be coupled to the second supporting bars 12 in the same manner as the first side frame 20 is coupled to the second supporting bars 12.
The battery holder 100 of the present embodiment further includes two frames 40, 40 ', the two frames 40, 40 ' have the same structure, please refer to fig. 5, which now takes one frame 40 as an example, the frame 40 includes a side plate 42 and a top plate 44, one end of the side plate 42 has a second through hole 422 for combining with the first frame 20, and the other end also has a second through hole 422 for combining with the second frame 30, wherein the width of each second through hole 422 in the predetermined axial direction X is greater than the width of each fourth through hole 224b and each fifth through hole 226b of the side frames 22, 22 ' in the predetermined axial direction X. The top plate 44 is connected to the top side of the side plate 42 and is perpendicular to the side plate 42, wherein the top plate 44 has a plurality of elongated holes 442 arranged at intervals along the predetermined axial direction X, and the longitudinal direction of the elongated holes 442 is parallel to the predetermined axial direction X.
One end of the side plate 42 of one of the frames 40 'is fixed to the first side frame strip 224 not adjacent to the other side frame 22 (i.e. the first side frame strip 224 of the side frame 22') by a fastener S, such as a bolt and a nut, passing through the corresponding fourth through hole 224b and the second through hole 422; one end of the side plate 42 of the other side frame 40 is fixed to the second side frame strip 226 (i.e. the second side frame strip 226 of the side frame 22) which is not adjacent to the other side frame 22' by a fastener S, such as a bolt and a nut, passing through the corresponding fifth through hole 226b and the second through hole 422; the other ends of the side plates 42 of the two side frames 40, 40' are respectively coupled to two opposite sides of the second side frame 30, and in this embodiment, a fastener S, such as a bolt and a nut, passes through the second through hole 422 of the other end of the side plate 42 and the second side frame 30 to be fixed. In practice, the second through hole 422 may be disposed only on the top plate 44 and corresponding through holes are disposed on each side frame 22, 22' and the second side frame 30 for combination, or the second through hole 422 may be disposed on both the top plate 44 and the side plate 42.
In this embodiment, the battery holder 100 is provided with a plurality of serial bars 50 connected between the first side frame 20 and the second side frame 30, the serial bars 50 are used for serially connecting the battery modules B01, one end of each serial bar 50 is connected to the main board 222 of each of the two side frames 22, 22', and the other end of each serial bar 50 is connected to the second side frame 30. In the embodiment, the two ends of the serial bar 50 have threaded sections, and the battery modules B01 have a plurality of through holes respectively for the serial bar 50 to pass through, wherein the use of the serial bar 50 with threaded sections is not only beneficial to assembling and aligning to arrange the battery modules B01, but also can use nuts to cooperate with the threaded sections, so that the two ends of the serial bar 50 can be respectively locked and fixed on the first side frame 20 and the second side frame 30, and the battery modules B01 can be clamped and positioned by the cooperation of the first side frame 20, the second side frame 30 and the serial bar 50. In practice, the connecting strips can be assembled by using long bolts according to the requirement, or at least two connecting strips 50 can be arranged to correspond to the two battery packs B respectively.
With the above-mentioned structure of the battery holder 100, if the total lengths of the two groups of battery packs B in the predetermined axial direction X are different due to the tolerance of the housing B01a of the battery module B01 of the battery packs B, the positions of the side frames 22, 22' can be finely adjusted to conform to the total length of each group of battery packs B in the predetermined axial direction X. Referring to fig. 6 and 7, when the total lengths of the two battery packs B are the same, the first through hole 224a of the first side frame strip 224 of one side frame 22 and the second through hole 226a of the second side frame strip 226 of the other first side frame 22' are in a centered state (see fig. 6), i.e., the second through hole 226a corresponds to the central portion of the first through hole 224 a; when the total length of the battery B corresponding to the side frame 22 is short, the side frame 22 can be moved to the right to fix the corresponding battery B. In addition, since the two side frames 22 and 22' have the same structure, the positions can be exchanged during assembly, thereby saving the cost of stock preparation and the assembly procedure.
Referring to fig. 8, the third through hole 228a of the bottom frame 228 of the side frame 22 corresponds to the first through hole 122 of the support bar 12 of the bottom frame 10, i.e., the first through hole 122 is located within the range of the third through hole 228a, so as to achieve the purpose of fine-tuning the position of the side frame 22.
Referring to fig. 9, the second through hole 422 of the frame 40 corresponds to the fifth through hole 226b of the side frame 22, i.e., the fifth through hole 226b is located within the range of the second through hole 422, so as to achieve the purpose of fine-tuning the position of the side frame 22. Similarly, the fourth through hole 224b of the other side frame 22 ' is also located within the second through hole 422 of the other side frame 40 ', so as to achieve the purpose of fine-tuning the position of the other side frame 22 '.
Referring to fig. 10, the fixing stud B01B at the top of the battery module B01 protrudes through the elongated hole 442 on the top plate 44 of the frame 40, and the position of the battery module B01 can be fine-adjusted according to the tolerance of the housing B01a of the battery module B01, and the fixing stud B01B can be locked by a nut.
Fig. 11 shows a battery holder 200 according to a second preferred embodiment of the present invention, which has a structure substantially the same as that of the first embodiment, except that the first side frame 60 is one side frame 22, the second side frame 62 is the other side frame 22', and the number of the supporting bars 12 of the bottom frame 64 is one. The two side frames 22, 22 'are fixed by the joint S passing through the third through hole 228a of the bottom frame strip 228 and the first through hole 122 of the supporting bar 12 of the bottom frame 64, respectively, and the blocking surfaces 222a of the two side frames 22, 22' face each other. One end of each side frame 40, 40 'and the first side frame strip 224 of each side frame 22, 22' are fixed by a connecting member S passing through the corresponding fourth through hole 224b and the second through hole 422; the other end of each of the frames 40, 40 'and the second side frame strip 226 of each of the side frames 22, 22' are fixed by a connecting member S passing through the corresponding fifth through hole 226b and the second through hole 422. Both ends of at least one of the string-connecting strips 50 are connected to the two side frames 22, 22'. Thus, a battery pack can be fixed.
The fastener S is not limited to the bolt and the nut, and may be a rivet or the like.
As described above, the battery holder 100 of the present invention can finely adjust the positions of the side frames 22 and 22' in response to the tolerance of the housing B01a of the battery module B01 of two battery packs B, so as to firmly fix the battery module B. In addition, the embodiments having the side frames 22, 22' with the same structure can also be applied to fixing a group of battery packs B. In fact, embodiments may also be provided without the chassis 10, 64 and the frame 40, 40'.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications to the present invention as described in the specification and claims should be included in the scope of the present invention.

Claims (15)

1. A battery holder is used for fixing two parallel battery packs, wherein each battery pack comprises a plurality of battery modules which are arranged along a preset axial direction; the battery holder includes:
at least two serial strips, each serial strip extends along the preset axial direction and is respectively used for passing through the battery modules of each battery pack; both ends of each serial connection bar are respectively provided with a thread section;
a first side frame including two side frames, each side frame including a main board, a first side frame strip and a second side frame strip, each main board having a first blocking surface, the two side frame strips being connected to two opposite sides of the main board, respectively, wherein the first side frame strip has a first through hole, the second side frame strip has a second through hole, and the first through hole corresponds to the second through hole; the first through hole of each first side frame strip has a first width in the preset axial direction, the second through hole of each second side frame strip has a second width in the preset axial direction, and the first width is greater than the second width; wherein the first side frame strip of one side frame is adjacent to the second side frame strip of the other side frame and fixed by a combining piece passing through the first through hole of the adjacent first side frame strip and the second through hole of the second side frame strip; the thread section at one end of each serial connection bar penetrates through the main plate of each side frame and then is combined with a nut so as to be locked on the main plate of each side frame; and
the second side frame is provided with two second blocking surfaces, each second blocking surface faces to the first blocking surface of the main plate of each side frame, a threaded section of the other end of each serial connection strip penetrates through each second side frame and then is combined with another nut so as to be locked on each second side frame, and each battery pack is positioned between each first blocking surface and each second blocking surface;
wherein, a part of each thread section at two ends of each serial connection strip is positioned between the first blocking surface and the second blocking surface.
2. The battery holder according to claim 1, wherein each of the first side frame strips and each of the second side frame strips extend along a same axial direction, and the first through holes and the second through holes have a same height in the axial direction.
3. The battery holder according to claim 1, wherein the second through hole of each of the second side frame strips is a circular hole, and the first through hole of each of the first side frame strips is an elongated hole having a long axis parallel to the predetermined axis.
4. The battery holder of claim 1, comprising a bottom frame, wherein each of the side frames and the second side frame is movably coupled to the bottom frame along the predetermined axial direction.
5. The battery holder according to claim 4, wherein the bottom frame has two first through holes; each side frame comprises a bottom frame strip connected to the bottom of each main board, each bottom frame strip is provided with a third through hole, and the width of each third through hole in the preset axial direction is greater than that of each first through hole in the preset axial direction; the bottom frame strip and the bottom frame are fixed by a connecting piece passing through the third through holes and the first through holes.
6. The battery holder according to claim 1, comprising two frames, each frame having a second through hole at one end; the first side frame strip of each side frame is provided with a fourth through hole, and the second side frame strip of each side frame is provided with a fifth through hole; the width of each second through hole in the preset axial direction is greater than the width of each fourth through hole and each fifth through hole in the preset axial direction; one end of one side frame and the first side frame strip which is not adjacent to the other side frame are fixed by a connecting piece passing through the corresponding fourth through hole and the second through hole; one end of the other side frame and a second side frame strip which is not adjacent to the other side frame are fixed by a connecting piece passing through the corresponding fifth through hole and the second through hole; the other ends of the two frames are respectively combined with two opposite sides of the second side frame.
7. The battery holder according to claim 6, wherein each of the frames comprises a side plate and a top plate, each of the side plates has each of the second through holes, and each of the top plates is connected to the top side of each of the side plates and perpendicular to each of the side plates; the top plates are provided with a plurality of elongated holes which are arranged at intervals along the preset axial direction, and the long axial direction of each elongated hole is parallel to the preset axial direction.
8. A battery holder is used for holding a battery pack, wherein the battery pack comprises a plurality of battery modules which are arranged along a preset axial direction; the battery holder includes:
at least one serial strip extending along the preset axial direction and used for penetrating through the battery modules; both ends of each serial connection bar are respectively provided with a thread section;
two side frames spaced apart from each other in the predetermined axial direction; each side frame comprises a main board, a first side frame strip and a second side frame strip, wherein the first side frame strip and the second side frame strip are respectively connected to two opposite sides of the main board; the two main boards are respectively provided with a blocking surface, and the blocking surfaces face each other; each threaded section at two ends of the at least one serial connection bar penetrates through the main boards of the side frames and then is combined with a nut to be locked on the main boards of the two side frames, and the battery pack is positioned between the two retaining surfaces;
wherein a portion of each of the threaded segments of the connecting strip is located between the two stop surfaces.
9. The battery holder according to claim 8, wherein each of the side frames comprises a side frame, each of the side frames has the main plate, the first side frame strip and the second side frame strip, wherein each of the first side frame strips has a first through hole, each of the second side frame strips has a second through hole, and the first through hole corresponds to the second through hole; the first through hole of each first side frame strip has a first width in the preset axial direction, the second through hole of each second side frame strip has a second width in the preset axial direction, and the first width is larger than the second width.
10. The battery holder according to claim 9, wherein the two side frames of each side frame extend along a same axial direction, and the first through holes and the second through holes have a same height in the axial direction.
11. The battery holder according to claim 9, wherein the second through hole of each of the second side frame strips is a circular hole, and the first through hole of each of the first side frame strips is an elongated hole having a long axis parallel to the predetermined axis.
12. The battery holder of claim 8, comprising a bottom frame, and each of the side frames is movably coupled to the bottom frame along the predetermined axial direction.
13. The battery holder according to claim 12, wherein the bottom frame has two first through holes; each side frame comprises a bottom frame strip connected to the bottom of each main board, each bottom frame strip is provided with a third through hole, and the width of each third through hole in the preset axial direction is larger than that of each first through hole in the preset axial direction; the bottom frame strip and the bottom frame are fixed by a connecting piece passing through the third through holes and the first through holes.
14. The battery holder according to claim 8, comprising two frames, each frame having a second through hole at two ends thereof; the first side frame strip of each side frame is provided with a fourth through hole, and the second side frame strip of each side frame is provided with a fifth through hole; the width of each second through hole in the preset axial direction is greater than the width of each fourth through hole and each fifth through hole in the preset axial direction; one end of each frame and the first side frame strip of each side frame pass through a corresponding fourth through hole and a corresponding second through hole through a connecting piece to be fixed; the other end of each frame and the second side frame strip of each side frame are fixed by a connecting piece passing through the corresponding fifth through hole and the second through hole.
15. The battery holder according to claim 14, wherein each of the frames comprises a side plate and a top plate, two ends of each of the side plates respectively have the second through hole, and each of the top plates is connected to the top side of each of the side plates and perpendicular to each of the side plates; the top plates are provided with a plurality of elongated holes which are arranged at intervals along the preset axial direction, and the long axial direction of each elongated hole is parallel to the preset axial direction.
CN201810075280.0A 2018-01-25 2018-01-25 Battery fixing frame and side frame thereof Active CN110085781B (en)

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CN110085781B true CN110085781B (en) 2022-04-05

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