CN216876159U - Battery pack, dust collector, and cleaning device - Google Patents

Abstract

The utility model discloses a battery assembly, a dust collector and a cleaning device, wherein the battery assembly comprises: casing, battery module and main control board, the casing includes shell, end cover and baffle, end cover detachably installs the one end of shell, the baffle is located in the shell, inject the installation cavity between shell, end cover and the baffle, the battery module includes battery case and battery, the battery is located in the battery case, the battery case is located the installation cavity and with the end cover with at least one detachably in the baffle connects, the main control board is located the installation cavity and with the battery case links to each other, be equipped with the conducting strip on the battery module, the one end of conducting strip with the battery links to each other, the other end of conducting strip with the main control board links to each other. The battery component is convenient to assemble and disassemble and has better practicability.

Description

Battery assembly, dust collector and cleaning device

Technical Field

The utility model relates to the technical field of cleaning, in particular to a battery pack, a dust collector and a cleaning device.

Background

Cleaning devices such as vacuum cleaners generally include a cleaning head and a dirt container that generally includes a battery assembly, a filter screen, and a dirt cup. In the related art, the structural design of the battery assembly is unreasonable, the assembly and disassembly are inconvenient, and the practicability is poor.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the utility model provides the battery assembly which is convenient to assemble and disassemble and has better practicability.

The embodiment of the utility model also provides a dust collector.

The embodiment of the utility model also provides a cleaning device.

A battery pack according to an embodiment of the present invention includes: the shell comprises a shell, an end cover and a partition plate, wherein the end cover is detachably arranged at one end of the shell, the partition plate is arranged in the shell, and an installation cavity is defined among the shell, the end cover and the partition plate; the battery module comprises a battery shell and a battery, the battery is arranged in the battery shell, and the battery shell is arranged in the mounting cavity and is detachably connected with at least one of the end cover and the partition plate; the main control board is arranged in the installation cavity and connected with the battery shell, the battery module is provided with a conducting strip, one end of the conducting strip is connected with the battery, and the other end of the conducting strip is connected with the main control board.

According to the battery assembly provided by the embodiment of the utility model, the end cover is detachably arranged at one end of the shell, and the battery shell is detachably connected with at least one of the end cover and the partition plate, so that an operator can conveniently install the battery module and the main control board in the installation cavity, and the assembled battery assembly is good in firmness and not easy to shake. Therefore, the battery assembly provided by the embodiment of the utility model is convenient to assemble and disassemble, firm to install and good in practicability.

In some embodiments, the end cap is clamped to the housing, and the end cap and/or the partition plate is connected to the battery case through a threaded member.

In some embodiments, a first hook is arranged on the outer periphery of the end cover, a first clamping block is arranged on the inner wall of the outer shell, the first hook is clamped with the first clamping block, a first connecting column is arranged on the end cover, a first connecting hole is arranged on the battery shell, the battery assembly further comprises a first threaded piece, and the first threaded piece penetrates through the first connecting hole and is matched into the first connecting column; and/or a second connecting column is arranged on the battery shell, a second connecting hole is formed in the partition plate, the battery assembly further comprises a second threaded piece, and the second threaded piece penetrates through the second connecting hole and is matched into the second connecting column.

In some embodiments, the battery case is provided with a first countersunk groove, the first connection hole is formed in the first countersunk groove, and at least a portion of the first connection post is fitted in the first countersunk groove.

In some embodiments, the number of the first connecting posts is two, two of the first connecting posts are arranged on one side of the battery case adjacent to the main control board, and the two first connecting posts are arranged at intervals along the width direction of the main control board; and/or the number of the second connecting columns is two, the two second connecting columns are arranged on one side, close to the main control board, of the battery shell, and the two second connecting columns are arranged at intervals in the width direction of the main control board.

In some embodiments, a plurality of first positioning blocks are arranged on the end cover, a first positioning area is defined by the plurality of first positioning blocks, one end of the battery case is matched in the first positioning area, and/or a plurality of second positioning blocks are arranged on the partition board, a second positioning area is defined by the plurality of second positioning blocks, and the other end of the battery case is matched in the second positioning area.

In some embodiments, the first positioning block includes a first positioning plate and a first positioning protrusion, the first positioning plate is located on a side of the battery case facing away from the main control plate, the first positioning protrusion is located on a side of the battery case adjacent to the main control plate, and a length of the first positioning plate in an axial direction of the battery case is greater than a length of the first positioning protrusion in the axial direction of the battery case.

In some embodiments, a third connecting hole is formed in the main control board, a third connecting column is formed in the battery case, and the battery assembly further comprises a third threaded part which penetrates through the third connecting hole and is matched into the third connecting column.

In some embodiments, the battery case includes a first case and a second case, the number of the batteries is multiple, a part of the batteries is disposed in the first case, another part of the batteries is disposed in the second case, and the first case and the second case are clamped.

In some embodiments, the first shell is provided with a plurality of first buckles along one axial end thereof, the first buckles are arranged at intervals along the circumferential direction of the first shell, the second shell is provided with a first clamping protrusion along one axial end thereof, the first clamping protrusions are arranged in a plurality and correspond to the first buckles in a one-to-one manner, and the first buckles are clamped with the first clamping protrusions.

In some embodiments, the number of the first buckles is at least three, two of the first buckles are located on a side of the first shell facing away from the main control board, another one of the first buckles is located on a side of the first shell adjacent to the main control board, and three of the first buckles are located on a peripheral contour of a same cross section of the first shell.

In some embodiments, one end of the first shell, which is away from the second shell, is provided with a first retainer ring, and part of the outer peripheral edge of the battery abuts against the first retainer ring, and/or one end of the second shell, which is away from the first shell, is provided with a second retainer ring, and the other part of the outer peripheral edge of the battery abuts against the second retainer ring.

In some embodiments, an electric control cavity is defined between one surface of the partition board, which is far away from the installation cavity, and the inner wall surface of the shell, a wire passing hole is formed in the partition board, the wire passing hole is communicated with the installation cavity and the electric control cavity, the battery assembly further comprises a button and an electric control board, the electric control board is connected with the main control board and the button, the electric control board and the button are both arranged in the electric control cavity, a button groove is formed in the side wall of the battery shell, and the button is installed in the button groove; and/or, battery pack still includes the charging connector, the charging connector with the main control panel links to each other, just at least part of charging connector is located the automatically controlled intracavity.

A dust collector according to another embodiment of the present invention includes: a battery assembly according to any one of the above embodiments; the fan assembly comprises a fan and a fan shell, the fan is arranged in the fan shell, the battery shell is arranged at the upper end of the fan shell, and the main control board is connected with the fan; the dust cup is detachably connected with the fan shell; the filter is arranged in the dust cup and is communicated with the suction port of the fan.

The battery component of the dust collector is convenient to assemble and disassemble, firm to install and good in practicability.

A dust collector according to still another embodiment of the present invention includes: a dust collector as described in the above embodiments; a dust suction wand, a first end of which is detachably connected with the filter; and the cleaning head is connected with the second end of the dust absorption rod.

The battery assembly of the cleaning device is convenient to assemble and disassemble, firm to install and good in practicability.

Drawings

Fig. 1 is a schematic view of a cleaning device of an embodiment of the present invention.

Fig. 2 is an exploded view of a dust collector of an embodiment of the present invention.

Fig. 3 is a schematic view of a battery pack according to an embodiment of the present invention.

Fig. 4 is a sectional view of a battery pack according to an embodiment of the present invention.

Fig. 5 is a bottom view of a battery assembly according to an embodiment of the present invention.

Fig. 6 is a schematic view of a housing of a battery assembly according to an embodiment of the present invention.

Fig. 7 is a schematic view of a battery module and a main control board of a battery pack according to an embodiment of the present invention.

Fig. 8 is a schematic view of a battery module of the battery pack according to the embodiment of the present invention.

Fig. 9 is a schematic view of another perspective view of a battery module of a battery pack according to an embodiment of the present invention.

Fig. 10 is a schematic view of a battery case of a battery module of the battery assembly according to the embodiment of the present invention.

Fig. 11 is a schematic view of an end cap of a battery assembly according to an embodiment of the present invention.

Reference numerals:

100. a dust collector; 200. a dust suction rod; 300. a cleaning head;

1. a battery assembly;

11. a housing; 111. a housing; 1111. a first clamping block; 1112. a button slot; 112. an end cap; 1121. a first hook; 1122. a first connecting column; 1123. a first positioning block; 11231. a first positioning plate; 11232. a first positioning protrusion; 1124. A first positioning area; 113. a partition plate; 1131. a second connection hole; 1132. a second positioning block; 1133. a second positioning region; 1134. a wire passing hole; 114. a mounting cavity; 115. an electrically controlled cavity;

12. a battery module; 121. a battery case; 1211. a first connection hole; 1212. a second connecting column; 1213. a third connecting column; 1214. a first shell; 12141. a first buckle; 12412. a first retainer ring; 1215. a second shell; 12151. a first snap projection; 12152. a second retainer ring; 1216. a first countersunk groove; 122. a battery; 123. a conductive sheet;

13. a main control board; 131. a third connection hole; 14. an electric control board; 15. a button; 16. a charging connector;

2. a fan assembly; 21. a fan housing;

3. a filter;

4. a dust cup.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The battery pack, the dust collector, and the cleaning device according to the embodiments of the present invention are described below with reference to the accompanying drawings.

As shown in fig. 1 to 11, a battery assembly 1 of an embodiment of the present invention includes: the battery pack comprises a shell 11, a battery module 12 and a main control board 13. The housing 11 includes a casing 111, an end cap 112, and a partition 113, and the end cap 112 is detachably mounted to one end of the casing 111 (e.g., an upper end of the casing 111 in fig. 4). The partition 113 is located below the end cover 112 and is disposed in the housing 111, and the housing 111, the end cover 112 and the partition 113 define a mounting cavity 114 therebetween. The battery module 12 includes a battery case 121 and a battery 122, the battery 122 is disposed in the battery case 121, and the battery case 121 is disposed in the mounting cavity 114 and detachably connected to at least one of the end cap 112 and the separator 113. The main control board 13 is disposed in the installation cavity 114 and connected to the battery case 121, and the battery module 12 is provided with a conductive plate 123, where it can be understood that the conductive plate 123 is used for transmitting the current of the battery 122 to the main control board 13, one end of the conductive plate 123 is connected to the battery 122, and the other end of the conductive plate 123 is connected to the main control board 13.

According to the battery assembly 1 of the embodiment of the utility model, the end cover 112 is detachably mounted at one end of the shell 111, and the battery case 121 is detachably connected with at least one of the end cover 112 and the partition plate 113, so that an operator can conveniently mount the battery module 12 and the main control board 13 in the mounting cavity 114, and the assembled battery assembly 1 is good in firmness and not easy to shake. Therefore, the battery assembly 1 of the embodiment of the utility model is convenient to assemble and disassemble, firm to install and good in practicability.

Alternatively, as shown in fig. 6 to 11, the battery case 121 is detachably connected to both the end cap 112 and the separator 113, so that the stability of the battery module 12 after installation can be further improved. For example, end cap 112 may be snap-fit to housing 111, end cap 112 and/or separator 113 may be threadably coupled to battery enclosure 121, and optionally, both end cap 112 and separator 113 may be removably coupled to battery enclosure 121. It can be understood that, when assembling the battery assembly 1, the battery module 12 is placed in the installation cavity 114, then the lower end of the battery case 121 is connected with the partition plate 113 through the screw, then the upper end of the battery case 121 is connected with the end cover 112 through the screw, and the outer peripheral edge of the end cover 112 is clamped with the shell 111, so that the convenience of assembling the battery assembly 1 can be improved, and the production efficiency of the battery assembly 1 can be improved to a certain extent.

Specifically, as shown in fig. 6, 10 and 11, a first hook 1121 is disposed on an outer peripheral edge of the end cover 112, a first latching unit 1111 is disposed on an inner wall of the housing 111, and the first hook 1121 is latched with the first latching unit 1111. It can be understood that the first hook 1121 and the end cover 112 are integrally formed, and the first hook 1121 has certain elasticity so that the first hook 1121 and the first latching block 1111 are conveniently clamped.

Further, as shown in fig. 6, 10 and 11, the end cap 112 is provided with a first connection post 1122, the battery case 121 is provided with a first connection hole 1211, and the battery assembly 1 further includes a first screw member passing through the first connection hole 1211 and fitting into the first connection post 1122. The battery case 121 is provided with a first countersunk groove 1216, first connection holes 1211 formed in the first countersunk groove 1216, and at least portions of the first connection posts 1122 are fitted in the first countersunk groove 1216. It will be appreciated that the lower end of first connecting post 1122 fits within first countersunk groove 1216, thereby initially positioning end cap 112 and battery enclosure 121 such that an operator can fit the first screw within first connecting post 1122 and first connecting hole 1211, thereby improving the ease of assembly of battery assembly 1.

Further, as shown in fig. 6, 10 and 11, the first connecting posts 1122 are two, two first connecting posts 1122 are arranged on one side of the battery case 121 adjacent to the main control board 13, and the two first connecting posts 1122 are arranged at intervals in the width direction of the main control board 13. It can be understood that, since the first connecting column 1122 is arranged at the side of the battery case 121 adjacent to the main control board 13, the reasonableness of the arrangement of the components in the mounting cavity 114 can be improved, so that the reliability of the connection of the end cover 112 and the battery case 121 is high.

Specifically, as shown in fig. 5 and 10, a second connection post 1212 is provided on the battery case 121, a second connection hole 1131 is provided on the partition plate 113, and the battery assembly 1 further includes a second screw member which passes through the second connection hole 1131 and is fitted into the second connection post 1212. For example, the number of the second connection posts 1212 is two, the two second connection posts 1212 are arranged at one side of the battery case 121 adjacent to the main control board 13, and the two second connection posts 1212 are spaced apart from each other in the width direction of the main control board 13. It can be understood that the first connecting column 1122 and the second connecting column 1212 are both located at one side of the battery case 121 adjacent to the main control board 13, that is, the first connecting column 1122 and the second connecting column 1212 are located at the same side of the battery case 121, thereby facilitating the line arrangement in the mounting cavity 114 and improving the rationality of the structural design of the battery assembly 1.

In some embodiments, as shown in fig. 11, a plurality of first positioning blocks 1123 are disposed on the end cover 112, the plurality of first positioning blocks 1123 define a first positioning area 1124, and one end of the battery case 121 fits in the first positioning area 1124. The partition 113 is provided with a plurality of second positioning blocks 1132, the plurality of second positioning blocks 1132 surround to form a second positioning area 1133, and the other end of the battery case 121 is fitted in the second positioning area 1133. According to the battery assembly 1 provided by the embodiment of the utility model, the stability of the battery case 121 after installation can be improved by arranging the first positioning block 1123, the probability that the battery module 12 shakes in the installation cavity 114 can be avoided, and the service life of the battery module 12 is prolonged.

Specifically, as shown in fig. 11, the first positioning block 1123 includes a first positioning plate 11231 and a first positioning protrusion 11232, the first positioning plate 11231 is located on a side of the battery case 121 facing away from the main control plate 13, the first positioning protrusion 11232 is located on a side of the battery case 121 adjacent to the main control plate 13, and a length of the first positioning plate 11231 in an axial direction of the battery case 121 is greater than a length of the first positioning protrusion 11232 in the axial direction of the battery case 121. It is understood that the first positioning plate 11231 has a long length, so that it may facilitate guiding of the installation of the battery case 121; the length of the first positioning protrusion 11232 is short, so that the first positioning protrusion 11232 can be free from the main control board 13 to prevent the first positioning protrusion 11232 from colliding with the main control board 13, thereby improving the rationality of the structural design of the first positioning block 1123.

In some embodiments, as shown in fig. 7 and 8, the main control board 13 is provided with a third connection hole 131, the battery case 121 is provided with a third connection column 1213, and the battery assembly 1 further includes a third screw member which passes through the third connection hole 131 and is fitted into the third connection column 1213. For example, the number of the third connection columns 1213 is plural, and the plural third connection columns 1213 are arranged at intervals along the length direction of the main control board 13, so that the stability of the connection of the main control board 13 with the battery case 121 can be improved.

In some embodiments, as shown in fig. 8 to 10, the battery case 121 includes a first case 1214 and a second case 1215, the battery 122 is plural, a part of the battery 122 is disposed in the first case 1214, another part of the battery 122 is disposed in the second case 1215, and the first case 1214 and the second case 1215 are clamped. Optionally, the first case 1214 is provided with a plurality of first snaps 12141 at one end in the axial direction thereof, the first snaps 12141 are provided in plurality, the plurality of first snaps 12141 are arranged at intervals in the circumferential direction of the first case 1214, the second case 1215 is provided with a plurality of first snap protrusions 12151 at one end in the axial direction thereof, the first snap protrusions 12151 are provided in plurality and correspond to the first snaps 12141 in a one-to-one manner, and the first snaps 12141 are snapped with the first snap protrusions 12151. It can be understood that, since the first case 1214 and the second case 1215 are fastened by the first fastening 12141 and the second fastening protrusion, the assembly of the battery case 121 may be facilitated, and the connection structure of the battery case 121 is simple and the processing and manufacturing costs are low.

Specifically, as shown in fig. 8 to 10, the number of the first buckles 12141 is at least three, two first buckles 12141 are located on a side of the first shell 1214 facing away from the main control board 13, another first buckle 12141 is located on a side of the first shell 1214 adjacent to the main control board 13, and three first buckles 12141 are located on a peripheral contour of the same cross section of the first shell 1214. In other words, the three first hooks 12141 and the three first protrusions 12151 correspond to each other one by one, and the hooking positions of the three first hooks 12141 are located in the same horizontal plane, so that the stability of the first shell 1214 and the second shell 1215 when they are coupled can be improved.

In some embodiments, as shown in fig. 10, an end of the first casing 1214 facing away from the second casing 1215 is provided with a first retaining ring 12412, and an outer peripheral edge of a portion of the battery 122 abuts the first retaining ring 12412. The end of the second casing 1215 facing away from the first casing 1214 is provided with a second stop 12152, and the outer periphery of another portion of the cells 122 abuts the second stop 12152. It will be appreciated that, as shown in fig. 10, a first retainer 12412 is provided at an upper end of the first case 1214 and is integrally formed with the first case 1214, and a second retainer 12152 is provided at a lower end of the second case 1215 and is integrally formed with the second case 1215. In the battery assembly 1 according to the embodiment of the present invention, the first retaining ring 12412 and the second retaining ring 12152 are provided to prevent the battery case 121 from being separated from the battery 122, so that the stability of the battery 122 after installation is improved.

In some embodiments, as shown in fig. 6, an electrical control cavity 115 is defined between a surface of the partition 113 facing away from the installation cavity 114 and an inner wall surface of the outer shell 111, and a wire through hole 1134 is formed in the partition 113, and the wire through hole 1134 is communicated with the installation cavity 114 and the electrical control cavity 115. It is understood that mounting cavity 114 and electrical control cavity 115 are separated by partition 113, and thus providing wire vias 1134 facilitates routing wires from mounting cavity 114 to electrical control cavity 115 via wire vias 1134 to facilitate routing within battery assembly 1, and improves the connection strength of housing 11 and the service life of housing 11 by installing partition 113 within housing 11.

Specifically, as shown in fig. 3, the battery assembly 1 further includes a button 15 and an electronic control board 14, the electronic control board 14 is connected to the main control board 13 and the button 15, the electronic control board 14 and the button 15 are both disposed in the electronic control cavity 115, a button groove 1112 is disposed on a sidewall of the battery case 121, and the button 15 is mounted in the button groove 1112. The battery assembly 1 further includes a charging connector 16, the charging connector 16 is connected to the main control board 13, and at least a portion of the charging connector 16 is disposed in the electronic control cavity 115. One end of the charging connector 16 is connected to a charging connection line, so as to supply power to the battery 122 in the battery assembly 1.

As shown in fig. 2, a dust collector 100 according to another embodiment of the present invention includes a battery assembly 1, a fan assembly 2, a dirt cup 4, and a filter 3. The battery assembly 1 is the battery assembly 1 in the above embodiment, the fan assembly 2 includes a fan and a fan case 21, the fan is disposed in the fan case 21, the battery case 121 is disposed at the upper end of the fan case 21, the main control board 13 is connected to the fan, the dust cup 4 is detachably connected to the fan case 21, and the filter 3 is disposed in the dust cup 4 and is communicated with a suction port of the fan. Therefore, after the airflow is filtered by the filter 3, the airflow enters the fan through the suction port of the fan, and the dirt filtered by the filter 3 falls into the dirt cup 4, so that the dirt is convenient to collect.

As shown in fig. 1, a cleaning apparatus according to another embodiment of the present invention includes: a dust container 100, a suction wand 200 and a cleaner head 300. The dust collector 100 is the dust collector 100 of the above embodiment, the first end of the suction rod 200 (the upper end of the suction rod 200 shown in fig. 1) is detachably connected to the filter 3, and the cleaning head 300 is connected to the second end of the suction rod 200 (the lower end of the suction rod 200 shown in fig. 1). Specifically, as shown in fig. 1, the upper end of the suction rod 200 is connected to the lower end of the filter 3, and the lower end of the suction rod 200 is connected to the upper end of the cleaner head 300, thereby making the cleaning apparatus more reasonable.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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 at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. 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.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (15)

1. A battery assembly, comprising:

the shell comprises a shell, an end cover and a partition plate, wherein the end cover is detachably arranged at one end of the shell, the partition plate is arranged in the shell, and a mounting cavity is defined among the shell, the end cover and the partition plate;

the battery module comprises a battery shell and a battery, the battery is arranged in the battery shell, and the battery shell is arranged in the mounting cavity and is detachably connected with at least one of the end cover and the partition plate;

the main control board is arranged in the installation cavity and connected with the battery shell, the battery module is provided with a conducting strip, one end of the conducting strip is connected with the battery, and the other end of the conducting strip is connected with the main control board.

2. The battery assembly of claim 1, wherein the end cap is snap-fit to the housing, and the end cap and/or the separator plate are connected to the battery housing by screws.

3. The battery pack of claim 2, wherein the outer periphery of the end cap is provided with a first hook, the inner wall of the housing is provided with a first block, the first hook is clamped with the first block,

the battery assembly further comprises a first threaded piece, and the first threaded piece penetrates through the first connecting hole and is matched into the first connecting column;

and/or a second connecting column is arranged on the battery shell, a second connecting hole is formed in the partition plate, the battery assembly further comprises a second threaded piece, and the second threaded piece penetrates through the second connecting hole and is matched into the second connecting column.

4. The battery pack of claim 3, wherein the battery case is provided with a first countersink, the first connection hole is formed in the first countersink, and at least a portion of the first connection post is fitted in the first countersink.

5. The battery assembly according to claim 3, wherein the number of the first connecting posts is two, two of the first connecting posts are arranged on one side of the battery case adjacent to the main control board, and the two first connecting posts are arranged at intervals along the width direction of the main control board;

and/or the number of the second connecting columns is two, the two second connecting columns are arranged on one side, close to the main control board, of the battery shell, and the two second connecting columns are arranged at intervals in the width direction of the main control board.

6. The battery pack of claim 3, wherein the end cap defines a plurality of first retention blocks, the plurality of first retention blocks defining a first retention area, one end of the battery enclosure engaging the first retention area,

and/or a plurality of second positioning blocks are arranged on the partition board, a second positioning area is defined by the second positioning blocks, and the other end of the battery shell is matched in the second positioning area.

7. The battery assembly according to claim 6, wherein the first positioning block comprises a first positioning plate and a first positioning protrusion, the first positioning plate is located on a side of the battery case facing away from the main control plate, the first positioning protrusion is located on a side of the battery case adjacent to the main control plate, and a length of the first positioning plate in an axial direction of the battery case is greater than a length of the first positioning protrusion in the axial direction of the battery case.

8. The battery pack according to claim 1, wherein a third connecting hole is formed in the main control board, a third connecting column is formed in the battery case, and the battery pack further comprises a third screw which penetrates through the third connecting hole and is fitted into the third connecting column.

9. The battery assembly of claim 1, wherein the battery case comprises a first case and a second case, the plurality of batteries are arranged, a part of the batteries are arranged in the first case, the other part of the batteries are arranged in the second case, and the first case and the second case are clamped.

10. The battery assembly according to claim 9, wherein the first housing is provided with a plurality of first buckles at one axial end thereof, the plurality of first buckles are arranged at intervals along the circumferential direction of the first housing, the second housing is provided with a plurality of first protrusions along one axial end thereof, the first protrusions are in one-to-one correspondence with the first buckles, and the first buckles are connected with the first protrusions in a clamped manner.

11. The battery pack of claim 10, wherein the number of the first fasteners is at least three, two of the first fasteners are located on a side of the first case facing away from the main control board, another one of the first fasteners is located on a side of the first case adjacent to the main control board, and three of the first fasteners are located on a peripheral contour of a same cross section of the first case.

12. The battery assembly of claim 9, wherein an end of the first housing facing away from the second housing is provided with a first retaining ring, and an outer peripheral edge of a portion of the battery abuts against the first retaining ring,

and/or one end of the second shell, which is far away from the first shell, is provided with a second retainer ring, and the other part of the peripheral edge of the battery is abutted against the second retainer ring.

13. The battery pack according to any one of claims 1 to 12, wherein an electrically controlled cavity is defined between one surface of the partition plate facing away from the mounting cavity and the inner wall surface of the outer shell, a wire through hole is formed in the partition plate and communicated with the mounting cavity and the electrically controlled cavity,

the battery component also comprises a button and an electric control plate, the electric control plate is connected with the main control plate and the button, the electric control plate and the button are both arranged in the electric control cavity, a button groove is arranged on the side wall of the battery shell, and the button is arranged in the button groove;

and/or, battery pack still includes the charging connector, the charging connector with the main control panel links to each other, just at least part of charging connector is located the automatically controlled intracavity.

14. A dust collector, comprising:

a battery assembly according to any one of claims 1 to 13;

the fan assembly comprises a fan and a fan shell, the fan is arranged in the fan shell, the battery shell is arranged at the upper end of the fan shell, and the main control board is connected with the fan;

the dust cup is detachably connected with the fan shell;

the filter is arranged in the dust cup and is communicated with the suction port of the fan.

15. A cleaning device, comprising:

a dust collector according to claim 14;

a dust suction wand, a first end of which is detachably connected with the filter;

and the cleaning head is connected with the second end of the dust absorption rod.

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