CN214099747U - Battery pack support and battery pack - Google Patents

Abstract

The utility model discloses a battery pack bracket and a battery pack, wherein, the battery pack bracket comprises an upper bracket, a lower bracket and a heat dissipation mechanism, the lower surface of the upper bracket is provided with two rows of upper positioning holes, the number of each row of upper positioning holes is not less than one, the upper positioning holes are distributed at intervals along the length direction of the upper bracket, a plurality of connecting columns are arranged between the two rows of upper positioning holes, a ventilation channel is formed inside the connecting columns, the upper end of the ventilation channel extends to the upper surface of the upper bracket, the outer surface of each connecting column is distributed with a plurality of ventilation holes penetrating through the ventilation channel, the upper surface of the lower bracket is provided with two rows of lower positioning holes, the lower positioning holes and the upper positioning holes are arranged in a one-to-one correspondence, the lower ends of the connecting columns are connected with the lower bracket, the heat dissipation mechanism is arranged at the upper end of, the safety is strong.

Description

Battery pack support and battery pack

Technical Field

The utility model relates to a battery field, specific saying relates to a group battery support and group battery.

Background

The battery is used as an energy source, can provide stable voltage and stable current, realizes stable power supply for a long time, and plays an important role in a plurality of electric devices.

The battery has different requirements for parameters such as required capacity, output current, output voltage and the like in different applications, for example, the battery in the aspect of applying a swing car, a scooter and the like needs relatively large output current and output voltage. In order to increase the output current and/or output voltage of the battery, a plurality of batteries are generally connected in parallel and/or in series to form a battery pack, and in order to ensure that each battery in the battery pack is relatively fixed, most of the batteries are adhered and combined through glue in the prior art, so that the maintenance of the battery pack is inconvenient, and meanwhile, because the batteries are densely discharged, when the battery pack is used, the internal temperature is too high, the heat dissipation performance is poor, and the batteries are easily damaged or even spontaneously combusted.

Therefore, there is a need for further improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a battery pack support.

Another object of the present invention is to provide a battery pack.

To achieve the above object, in one aspect, a battery pack support according to an embodiment of the present invention includes an upper support, a lower support, and a heat dissipation mechanism.

The upper bracket lower surface is equipped with two rows of last locating holes, every row the quantity of going up the locating hole is no less than one, it follows to go up the locating hole upper bracket length direction interval distribution, two rows go up and be equipped with a plurality of spliced poles between the locating hole, it is a plurality of the inside ventilation passageway that is formed with of spliced pole, the ventilation passageway upper end extends to the upper bracket upper surface, every the spliced pole surface is equallyd divide cloth have a plurality of through extremely ventilation passageway's ventilation hole.

The upper surface of the lower bracket is provided with two rows of lower positioning holes, the lower positioning holes and the upper positioning holes are arranged in a one-to-one opposite mode, and the lower ends of the connecting columns are connected with the lower bracket.

The heat dissipation mechanism is arranged at the upper end of the upper support and used for discharging heat in the ventilation channel.

In addition, the battery pack support according to the above embodiment of the present invention may further have the following additional technical features:

according to the utility model discloses an embodiment, the upper bracket is equipped with a plurality of first mounting holes, and is a plurality of first mounting hole is followed upper bracket length direction interval sets up, and is a plurality of first mounting hole is located two rows between the upper locating hole, the lower carriage is equipped with a plurality of second mounting holes, and is a plurality of the second mounting hole is followed lower bracket length direction interval sets up, and is a plurality of the second mounting hole is located two rows between the lower locating hole, spliced pole upper end surface is formed with the spacing arch, the external screw thread is located to spliced pole lower extreme surface, the lower extreme of spliced pole by the upper bracket upper surface passes first mounting hole to be fixed in the second mounting hole.

According to the utility model discloses an embodiment, spliced pole surface lower extreme is equipped with the external screw thread, every second mounting hole below all is equipped with a nut, the nut cover is located the spliced pole lower extreme, and with the spliced pole lower extreme forms screw-thread fit.

According to the utility model discloses an embodiment, every first mounting hole upper end all is formed with first step face, spacing protruding lower extreme with first step face offsets and pastes, every the second mounting hole lower extreme all is formed with second step face, the nut upper surface support paste in second step face.

According to the utility model discloses an embodiment, the upper bracket lower surface is close to edge's distribution and has a plurality of reference columns, and is a plurality of the reference column is followed upper bracket circumference interval distribution, the lower bracket upper surface is equipped with a plurality of jacks, the jack with the reference column one-to-one, the reference column lower extreme is inserted and is arranged in the jack.

According to an embodiment of the present invention, the heat dissipation mechanism includes a housing and a fan.

The bottom surface of the shell is upwards sunken to form an installation cavity, a plurality of air holes are distributed on the upper surface of the shell and penetrate through the installation cavity.

The number of the fans is not less than one, and the fans are fixedly arranged in the mounting cavity.

According to the utility model discloses an embodiment, the shell left and right sides face all is equipped with a downwardly extending's connection piece, be equipped with first connecting hole on the connection piece, all be equipped with first screw hole on the two lateral walls of upper bracket left and right sides, the connection piece passes through first connecting screw first connecting hole with first screw hole is connected.

According to the utility model discloses an embodiment, both sides face all is equipped with a connecting block around the fan, the connecting block is kept away from the one side of fan is equipped with the second screw hole, both sides face around the shell with the second connecting hole is all located to the relative department of second screw hole, be equipped with second connecting screw in the connecting hole, second connecting screw's tip passes the second connecting hole, and be connected in the second screw hole.

According to the utility model discloses an embodiment, the medial surface of shell with the relative department of connecting block all is equipped with a spacing groove, the vertical extension of spacing groove, the tip of connecting block is located the spacing inslot.

On the other hand, according to the utility model discloses group battery includes:

the battery support as described above;

the battery is arranged between the upper support and the lower support, one end of the battery is clamped in the upper positioning holes respectively, and the other end of the battery is clamped in the lower positioning holes respectively.

According to the battery pack bracket and the battery pack provided by the embodiment of the invention, the upper bracket and the lower bracket are arranged, and the upper positioning hole and the lower positioning hole which are opposite to each other are respectively arranged on the upper bracket and the lower bracket, so that two ends of a battery can be respectively clamped in the upper positioning hole and the lower positioning hole to combine and fix a plurality of batteries, and the upper bracket and the lower bracket are connected and fixed through the connecting column, thereby the combination of the plurality of batteries is more stable, meanwhile, because a ventilation channel is formed inside the connecting columns, the upper end of the ventilation channel extends to the upper surface of the upper bracket, and a plurality of ventilation holes penetrating to the ventilation channel are distributed on the outer surface of each connecting column, when the batteries generate heat, hot air between the batteries can be transmitted to the outside of the upper bracket through the ventilation holes and the ventilation channel, the battery is dissipated through the heat dissipation mechanism, so that the temperature of the battery is effectively reduced, the service life of the battery is prolonged, and the safety performance of the battery is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a battery pack support according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective of a battery support according to an embodiment of the present invention;

fig. 3 is an exploded view of a battery support according to an embodiment of the present invention;

fig. 4 is an exploded view of a heat dissipation mechanism in an embodiment of the present invention;

fig. 5 is a sectional view of an upper bracket and a lower bracket in an embodiment of the present invention;

FIG. 6 is a schematic view of the overall structure of the connection column in the embodiment of the present invention;

fig. 7 is a schematic view of the overall structure of the battery pack according to the embodiment of the present invention.

Reference numerals:

an upper bracket 10;

an upper positioning hole 101;

a connecting column 102;

a ventilation passage 1021;

a vent 1022;

a limiting protrusion 1023;

a nut 1024;

a first mounting hole 103;

a first step surface 1031;

a positioning post 104;

a first threaded hole 105;

a first connection screw 106;

a lower bracket 20;

a second mounting hole 201;

second step surface 2011;

a jack 202;

a lower positioning hole 203;

a heat dissipation mechanism 30;

a housing 301;

a breather hole 3011;

second connection holes 3012;

a limit groove 3013;

a fan 302;

a connecting block 3021;

a second threaded bore 3022;

a connecting sheet 303;

a first connection hole 3031;

a second attachment screw 304;

and a battery 40.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The battery pack support according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, a battery pack support according to an embodiment of the present invention includes an upper support 10, a lower support 20, and a heat dissipation mechanism 30.

The lower surface of the upper bracket 10 is provided with two rows of upper positioning holes 101, each row is no less than one number of the upper positioning holes 101, the upper positioning holes 101 are distributed at intervals in the length direction of the upper bracket 10, the two rows of upper positioning holes 101 are provided with a plurality of connecting columns 102, a plurality of ventilation channels 1021 are formed inside the connecting columns 102, the upper ends of the ventilation channels 1021 extend to the upper surface of the upper bracket 10, and the outer surface of each connecting column 102 is uniformly provided with a plurality of ventilation holes 1022 which penetrate through the ventilation channels 1021.

Two rows of lower positioning holes 203 are formed in the upper surface of the lower bracket 20, the lower positioning holes 203 and the upper positioning holes 101 are arranged in a one-to-one correspondence manner, and the lower ends of the connecting columns 102 are connected with the lower bracket 20.

The heat dissipation mechanism 30 is disposed at the upper end of the upper frame 10, and is configured to discharge heat in the ventilation channel 1021.

Based on the above, by providing the upper rack 10 and the lower rack 20, and respectively providing the upper positioning hole 101 and the lower positioning hole 203 on the upper rack 10 and the lower rack 20, which are opposite to each other, in this way, two ends of a battery can be respectively clamped in the upper positioning hole 101 and the lower positioning hole 203 to combine and fix a plurality of batteries, and the upper rack 10 and the lower rack 20 are connected and fixed through the connecting columns 102, so that a plurality of batteries can be combined more stably, meanwhile, because a plurality of ventilation channels 1021 are formed inside the connecting columns 102, and the upper ends of the ventilation channels 1021 extend to the upper surface of the upper rack 10, and a plurality of ventilation holes penetrating to the ventilation channels 1021 are uniformly distributed on the outer surface of each connecting column 102, when the batteries generate heat, hot air between the batteries can be transmitted to the outside of the upper rack 10 through the ventilation holes 1022 and the ventilation channels 1021, and the heat is dissipated through the heat dissipation mechanism 30, thereby effectively reducing the temperature of the battery, prolonging the service life of the battery and improving the safety performance of the battery.

Preferably, in an embodiment of the present invention, the upper bracket 10 is provided with a plurality of first mounting holes 103, a plurality of the first mounting holes 103 are disposed along the length direction of the upper bracket 10 at intervals, a plurality of the first mounting holes 103 are disposed in two rows between the upper positioning holes 101, the lower bracket 20 is provided with a plurality of second mounting holes 201, a plurality of the second mounting holes 201 are disposed along the length direction of the lower bracket 20 at intervals, a plurality of the second mounting holes 201 are disposed in two rows between the lower positioning holes 203, the outer surface of the upper end of the connecting column 102 is formed with a limiting protrusion 1023, the outer surface of the lower end of the connecting column 102 is disposed on an external thread, and the lower end of the connecting column 102 is fixed in the second mounting holes 201 by passing through the upper surface of the upper bracket 10.

Thus, since the limiting protrusion 1023 is formed on the outer surface of the upper end of the connecting column 102, it should be understood that the limiting protrusion 1023 is annular, and the diameter of the limiting protrusion is larger than that of the first mounting hole 103, then, when mounting, the lower end of the connecting column 102 can penetrate through the first mounting hole 103, be inserted into the second mounting hole 201, and be fixed in the second mounting hole 201, so that the upper bracket 10 and the lower bracket 20 can be stably connected, and the battery assembly is more stable and rapid.

Preferably, in an embodiment of the present invention, the lower end of the outer surface of the connecting column 102 is provided with an external thread, and a nut 1024 is disposed below each of the second mounting holes 201, and the nut 1024 is sleeved on the lower end of the connecting column 102 and forms a threaded fit with the lower end of the connecting column 102.

Therefore, the external thread is arranged at the lower end of the outer surface of the connecting column 102, when the connecting column 102 is installed, the lower end of the connecting column 102 penetrates through the first installation hole 103 and the second installation hole 201, the lower end of the connecting column 102 extends to the position below the second installation hole 201, the nut 1024 is sleeved at the lower end of the connecting column 102, the nut 1024 and the lower end of the connecting column 102 form threaded fit, and the installation is more stable and reliable.

Preferably, in the utility model discloses an embodiment, every first mounting hole 103 upper end all is formed with first step surface 1031, terminal surface under the spacing arch 1023 with first step surface 1031 offsets and pastes, every second mounting hole 201 lower extreme all is formed with second step surface 2011, nut 1024 upper surface offset in second step surface 2011.

So, through all be formed with first step surface 1031 in first mounting hole 103 upper end, so when the installation of spliced pole 102, its spacing arch 1023 can be located on the step surface, can avoid spliced pole 102 upper end protrusion in the upper surface of upper bracket 10, simultaneously, through second mounting hole 201 lower extreme all is formed with second step surface 2011, so, is installing during nut 1024, make nut 1024 upper surface support paste in second step surface 2011, in order to avoid nut 1024 reaches spliced pole 102 lower extreme protrusion the lower surface of lower carriage 20 for subsequent installation.

Preferably, in an embodiment of the present invention, a plurality of positioning pillars 104 are distributed on the lower surface of the upper support 10 near the edge, the plurality of positioning pillars 104 are distributed at intervals along the circumference of the upper support 10, a plurality of insertion holes 202 are arranged on the upper surface of the lower support 20, the insertion holes 202 are opposite to the positioning pillars 104, and the lower ends of the positioning pillars 104 are inserted into the insertion holes 202.

Therefore, the positioning columns 104 are distributed on the lower surface of the upper support 10 close to the edge, and the plurality of insertion holes 202 which are opposite to the positioning columns 104 one by one are formed in the upper surface of the lower support 20, so that when the positioning column is installed, the lower ends of the positioning columns 104 are inserted into the insertion holes 202, on one hand, the quick positioning connection between the upper support 10 and the lower support 20 is facilitated, and on the other hand, the connection between the upper support 10 and the lower support 20 is more stable.

Preferably, in an embodiment of the present invention, the heat dissipation mechanism 30 includes a housing 301 and a fan 302.

The bottom surface of the shell 301 is recessed upwards to form a mounting cavity, a plurality of air holes 3011 are distributed on the upper surface of the shell 301, and the air holes 3011 penetrate through the mounting cavity.

The number of the fans 302 is not less than one, and the fans 302 are fixedly arranged in the installation cavity.

In this way, since the upper end of the ventilation channel 1021 extends to the upper surface of the upper bracket 10, when in use, the fan 302 can work to draw out the heat generated by the battery through the ventilation channel 1021 and the ventilation holes 1022, and discharge the heat through the ventilation holes 3011, thereby greatly reducing the temperature of the battery, and making the battery have better heat dissipation performance and higher safety.

Preferably, in an embodiment of the present invention, each of the left and right sides of the outer shell 301 is provided with a connecting plate 303 extending downward, the connecting plate 303 is provided with a first connecting hole 3031, each of the left and right outer sidewalls of the upper bracket 10 is provided with a first threaded hole 105, and the connecting plate 303 passes through the first connecting hole 3031 and is connected to the first threaded hole 105 through a first connecting screw 106.

Therefore, the connecting pieces 303 extending downwards are arranged on the left side surface and the right side surface of the shell 301, the first connecting holes 3031 are formed in the connecting pieces 303, the first threaded holes 105 are formed in the left side wall and the right side wall of the upper support 10, then, the first connecting screws 106 can penetrate through the first connecting holes 3031 and are connected with the first threaded holes 105, the shell 301 is stably installed above the upper support 10, preferably, an installation groove can be further formed in the positions of the first threaded holes 105, the first threaded holes 105 are arranged in the installation groove, and the connecting pieces 303 are arranged in the installation groove, so that the shell 301 can be installed more stably.

Preferably, in an embodiment of the present invention, the front and rear side surfaces of the fan 302 are both provided with a connection block 3021, one surface of the connection block 3021, which is away from the fan 302, is provided with a second threaded hole 3022, the opposite positions of the front and rear side surfaces of the housing 301 and the second threaded hole 3022 are both provided with a second connection hole 3012, the connection hole is provided with a second connection screw 304, and the end of the second connection screw 304 passes through the second connection hole 3012 and is connected to the inside of the second threaded hole 3022.

In this way, by providing a connecting block 3021 on both front and rear sides of the fan 302, providing a second threaded hole 3022 on a side of the connecting block 3021 away from the fan 302, and providing a second connecting hole 3012 on both front and rear sides of the housing 301 opposite to the second threaded hole 3022, the fan 302 can be stably mounted in the mounting cavity by passing the second connecting screw 304 through the second mounting hole 201 and fixing the second connecting screw in the second threaded hole 3022, and the mounting manner is simple and reliable.

Preferably, in an embodiment of the present invention, a limiting groove 3013 is disposed on the inner side surface of the housing 301 opposite to the connecting block 3021, the limiting groove 3013 extends vertically, and the end of the connecting block 3021 is disposed in the limiting groove 3013.

Therefore, the limiting grooves 3013 are formed in the positions, opposite to the connecting blocks 3021, of the inner side surface of the shell 301, and the end portions of the connecting blocks 3021 are arranged in the limiting grooves 3013, so that the connecting blocks 3021 can be limited, and the fan 302 is prevented from shaking during operation.

As shown in fig. 7, a battery pack according to an embodiment of the present invention includes the battery pack bracket and the plurality of batteries 40.

The plurality of batteries 40 are arranged between the upper bracket 10 and the lower bracket 20, one ends of the plurality of batteries 40 are respectively clamped in the plurality of upper positioning holes 101, and the other ends of the plurality of batteries 40 are respectively clamped in the plurality of lower positioning holes 203.

Based on the above, one end of each of the plurality of batteries is clamped in the plurality of upper positioning holes 101, the other end of each of the plurality of batteries 40 is clamped in the plurality of lower positioning holes 203, and thus the upper bracket 10 and the lower bracket 20 are connected and fixed through the connecting column 102, so that the plurality of batteries form a complete battery pack, and meanwhile, the plurality of batteries 40 are connected in series or in parallel sequentially through the matching connection of the electrode plates and the wires.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. A battery pack stand, comprising:

the lower surface of the upper support is provided with two rows of upper positioning holes, the number of each row of upper positioning holes is not less than one, the upper positioning holes are distributed at intervals along the length direction of the upper support, a plurality of connecting columns are arranged between the two rows of upper positioning holes, ventilation channels are formed inside the connecting columns, the upper ends of the ventilation channels extend to the upper surface of the upper support, and a plurality of ventilation holes penetrating through the ventilation channels are uniformly distributed on the outer surface of each connecting column;

the upper surface of the lower bracket is provided with two rows of lower positioning holes, the lower positioning holes and the upper positioning holes are arranged in a one-to-one opposite mode, and the lower ends of the connecting columns are connected with the lower bracket;

and the heat dissipation mechanism is arranged at the upper end of the upper support and used for discharging heat in the ventilation channel.

2. The battery pack bracket according to claim 1, wherein the upper bracket is provided with a plurality of first mounting holes, the plurality of first mounting holes are arranged at intervals along the length direction of the upper bracket, the plurality of first mounting holes are positioned between two rows of the upper positioning holes, the lower bracket is provided with a plurality of second mounting holes, the plurality of second mounting holes are arranged at intervals along the length direction of the lower bracket, the plurality of second mounting holes are positioned between two rows of the lower positioning holes, a limiting protrusion is formed on the outer surface of the upper end of the connecting column, an external thread is formed on the outer surface of the lower end of the connecting column, and the lower end of the connecting column penetrates through the first mounting holes from the upper surface of the upper bracket and is fixed in the second mounting holes.

3. The battery pack bracket according to claim 2, wherein the lower end of the outer surface of the connecting column is provided with an external thread, a nut is provided below each second mounting hole, and the nut is sleeved on the lower end of the connecting column and forms a threaded fit with the lower end of the connecting column.

4. The battery pack bracket according to claim 3, wherein each of the first mounting holes has a first stepped surface formed at an upper end thereof, the lower end surface of the stopper protrusion abuts against the first stepped surface, each of the second mounting holes has a second stepped surface formed at a lower end thereof, and the upper surface of the nut abuts against the second stepped surface.

5. The battery pack support according to claim 1, wherein a plurality of positioning posts are distributed on the lower surface of the upper support close to the edge, the positioning posts are distributed at intervals along the circumferential direction of the upper support, a plurality of insertion holes are formed in the upper surface of the lower support, the insertion holes are opposite to the positioning posts one by one, and the lower ends of the positioning posts are inserted into the insertion holes.

6. The battery pack stand of claim 1, wherein the heat dissipation mechanism comprises:

the bottom surface of the shell is upwards sunken to form an installation cavity, a plurality of air holes are distributed on the upper surface of the shell, and the air holes penetrate through the installation cavity;

and at least one fan is arranged, and the fan is fixedly arranged in the mounting cavity.

7. The battery pack support according to claim 6, wherein the casing has a downwardly extending connecting piece on each of the left and right sides, the connecting piece has a first connecting hole, the upper support has a first threaded hole on each of the left and right outer sidewalls, and the connecting piece is connected to the first threaded hole by a first connecting screw passing through the first connecting hole.

8. The battery pack support according to claim 6, wherein the front and rear sides of the fan are provided with a connecting block, one surface of the connecting block, which is away from the fan, is provided with a second threaded hole, the positions, which are opposite to the second threaded hole, of the front and rear sides of the housing are provided with a second connecting hole, a second connecting screw is arranged in the connecting hole, and the end of the second connecting screw passes through the second connecting hole and is connected with the second threaded hole.

9. The battery pack support according to claim 8, wherein a limiting groove is formed in the inner side surface of the housing opposite to the connecting block, the limiting groove extends vertically, and the end of the connecting block is disposed in the limiting groove.

10. A battery pack, comprising:

a battery support as claimed in any one of claims 1 to 9;

the battery is arranged between the upper support and the lower support, one end of the battery is clamped in the upper positioning holes respectively, and the other end of the battery is clamped in the lower positioning holes respectively.

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