CN216213855U - Assembly of battery pack and electric tool - Google Patents
Assembly of battery pack and electric tool Download PDFInfo
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- CN216213855U CN216213855U CN202121652344.2U CN202121652344U CN216213855U CN 216213855 U CN216213855 U CN 216213855U CN 202121652344 U CN202121652344 U CN 202121652344U CN 216213855 U CN216213855 U CN 216213855U
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- battery pack
- battery
- wall surface
- shell
- power tool
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery pack and electric tool assembly, which comprises a shell and a driving motor arranged in the shell, wherein a battery compartment for installing the battery pack is arranged on the shell, a discharge part is arranged on the battery pack, an inlet for inserting and pulling the battery pack and a wall surface which is in friction contact with the outer wall of the battery pack are arranged on the battery compartment, a power receiving part is arranged on one wall surface, the discharge part is electrically connected with the power receiving part when the battery pack is inserted into the battery compartment, the wall surface comprises a first wall surface arranged adjacent to the inlet and a second wall surface arranged opposite to the inlet, and at least one first wall surface is provided with a notch for exposing part of the battery pack. The battery pack is arranged in the battery compartment which is partially exposed, so that the battery pack can be quickly plugged and pulled out conveniently, and meanwhile, the heat dissipation of the battery pack is facilitated.
Description
Technical Field
The present invention relates to an electric power tool.
Background
An existing handheld electric tool, such as a handheld dust collector, includes a main body, a main body part is provided with a holding part for a user to hold and operate, a driving motor is installed in the main body, a dust collection assembly is installed at the front end of the main body and is driven by the driving motor in the main body, so that the dust collection assembly can complete work, the power supply of the dust collection assembly is generally connected with an external power supply through a power line, a non-exposed battery pack is also arranged in the main body of the existing handheld electric tool, the battery pack is provided with a charging interface, the charging interface can be a Mini USB interface or a Type-C interface, so as to realize cordless work, when the electric tool is not used for a long time, the battery pack needs to be detached to avoid short circuit of the battery, but the existing battery pack is arranged in the main body shell, the battery pack is not easy to disassemble and assemble, and the rechargeable battery is not easy to overhaul at the later period; and the existing battery pack is basically arranged in the shell, so that the heat dissipation is poor when the battery pack works.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an electric tool which is simple in structure, small in size, light in weight and convenient for quick plugging and unplugging of a battery pack.
The utility model provides a component of a battery pack and an electric tool, wherein the electric tool comprises a shell and a driving motor arranged in the shell, and the shell is provided with a battery bin for mounting the battery pack;
the battery pack is provided with a discharging part;
the battery compartment is provided with an inlet for inserting and pulling the battery pack, a first wall surface which is in friction contact with the outer wall of the battery pack, and a second wall surface which is arranged opposite to the inlet, wherein the first wall surface is arranged adjacent to the inlet;
wherein, at least one first wall surface is provided with a slot for exposing the outer wall part of the battery pack;
and when the battery pack is inserted into the battery compartment, the discharging part is electrically connected with the power receiving part.
Further, the slot extends along the axial direction of the battery pack.
Further, the slot extends from the entrance to the second wall.
Further, the width of the slot is smaller than the width of the outer wall of the battery pack at the slot.
Furthermore, the number of the slots is two, and the two slots are respectively arranged on the two opposite first wall surfaces.
Further, when the electric tool works, the inlet is arranged upwards.
Furthermore, a plurality of friction pieces which are used for increasing the friction force are protruded towards the interior of the bin on the first wall surface.
Furthermore, the friction piece is a convex strip or a convex point.
Further, the friction member is a flexible member.
Further, the power receiving portion protrudes from the second wall surface.
Further, the casing includes the main casing and installs the sub-casing in the main casing, has offered the installation cavity that supplies sub-casing installation in the main casing, and sub-casing installs to form the part of battery compartment behind the main casing.
Further, the end portion buckle of casing is connected with the end cover, forms the battery compartment after casing and end cover lock, and the entry sets up on the end cover.
The utility model also provides a battery pack and electric tool assembly, the electric tool is a dust collector, the dust collector comprises a main body and a dust collection assembly detachably connected to the main body, the main body comprises a shell, a driving motor arranged in the shell, a battery pack detachably mounted on the shell, and a dust collection assembly detachably connected to one end of the shell, and a battery bin for mounting the battery pack is arranged at the other end of the shell;
the battery pack is provided with a discharging part;
the battery compartment is provided with an inlet for inserting and pulling the battery pack, a first wall surface which is in friction contact with the outer wall of the battery pack, and a second wall surface which is arranged opposite to the inlet, wherein the first wall surface is arranged adjacent to the inlet;
wherein, at least one first wall surface is provided with a slot for exposing the outer wall part of the battery pack;
and when the battery pack is inserted into the battery compartment, the discharging part is electrically connected with the power receiving part.
Further, the slot extends along the axial direction of the battery pack.
Compared with the prior art, the utility model has the following beneficial effects:
1. the battery pack is arranged in the battery bin which is partially exposed, so that the battery pack can be conveniently and quickly plugged and pulled out, and meanwhile, the heat dissipation of the battery pack is facilitated;
2. the side wall of the battery compartment is provided with a slot which enables the side wall of the battery pack to be at least partially exposed, so that a user can conveniently pull out the battery pack, and an ejection mechanism for ejecting the battery pack out of the battery compartment is not required to be additionally arranged, so that the volume of the shell is reduced, the weight of the shell is lightened, and the battery compartment is more convenient to carry and store;
3. the width of the groove is smaller than that of the side wall of the battery pack so as to prevent the battery pack from sliding off the battery bin;
4. the friction piece is arranged on the wall surface of the battery compartment and used for extruding the battery pack to increase friction force so that the battery pack is firmly installed in the battery compartment, and the friction piece is a flexible piece so as to prevent the battery compartment from scratching the outer wall of the battery pack;
5. the shell is provided with a main shell and an auxiliary shell which are connected, so that the electric connector is convenient to mount, and the wall surface flexible piece is convenient to arrange.
Drawings
Fig. 1 is a schematic perspective view of a main body of an electric power tool according to the present invention.
Fig. 2 is an exploded view of the main body of the power tool of the present invention.
Fig. 3 is a schematic perspective view of a housing of the electric power tool of the present invention.
Fig. 4 is a structural schematic view of a slot of another embodiment of the power tool of the present invention.
Fig. 5 is a structural schematic view of a slot of another embodiment of the power tool of the present invention.
Fig. 6 is a schematic top view of the power tool of the present invention.
Fig. 7 is a schematic structural view of another embodiment of the power tool of the present invention.
Fig. 8 is an exploded view of the housing of the power tool of the present invention.
In the figure: 1-a housing; 11-a main housing; 111-mounting a cavity; 112, a guide groove; 12-an auxiliary housing; 121-a guide block; 122-mounting posts; 13-end cap; 2, a battery pack; 21-foolproof convex strips; 22-charging port; 3, a battery compartment; 31-an inlet; 32-slotting; 33-convex strips; 34, elastic buckle; 35-a groove; 36 — a first wall; 37 — a second wall; 4-an electrical connector; and 5, a dust collection assembly.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such 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 "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; 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 addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The electric tool of the present invention may be a handheld weeding machine, a handheld electric wrench, or a vacuum cleaner, as shown in fig. 1 and 2, the vacuum cleaner includes a main body and a vacuum assembly connected to the main body, the vacuum assembly may be a suction nozzle or a nozzle with bristles, or may be a cleaning head connected through an extension rod.
The main body comprises a shell 1, a driving motor arranged in the shell 1, a battery pack 2 for supplying power to the driving motor, and a dust collection assembly 5 detachably connected to the end part of the shell 1, wherein the dust collection assembly 5 is a dust cup, and the driving motor provides power for the dust collection assembly. The shell 1 is arranged in a cylinder shape, and the outer wall of the shell forms a holding part for a user to hold so as to reduce the volume of the shell and facilitate the storage and carrying of the dust collector; a plurality of grooves can be formed on the holding part for the thumb and the forefinger to sink into so as to be convenient for holding the shell tightly and avoid slipping; the driving motor is arranged at one end of the shell 1, and the battery pack is arranged at the other end of the shell 1.
The battery compartment 3 for installing the battery pack is disposed on the housing 1, the battery compartment 3 is provided with an inlet 31 for inserting and pulling the battery pack and a wall surface contacted with the battery pack, the wall surface comprises a first wall surface 36 adjacent to the inlet 31 and a second wall surface 37 opposite to the inlet 31, the first wall surface 36 is in friction contact with the outer wall of the battery pack, as shown in fig. 3, the second wall surface 37 is provided with a power receiving portion, the power receiving portion is an electric connector 4, the electric connector 4 is provided with a pin, and the pin protrudes out of the second wall surface and extends into the compartment.
The battery pack 2 is provided with a discharging part which is provided with a jack matched with the contact pin so as to realize the electric connection of the discharging part and the receiving part and supply power to the driving motor; the battery pack 2 further has a charging portion for charging the battery pack, and a charging port 22 is provided on an end surface at an inlet of the battery compartment so that the battery pack can be charged when the battery pack is inserted into the battery compartment, or the battery pack can be charged after the battery pack is pulled out.
When the battery package inserted the battery compartment, battery package outer wall and the first wall frictional contact in battery compartment until the battery package supported in the second wall, at this moment, the contact pin inserted the jack completely in, realized the electricity and connect to supply power for driving motor.
Above-mentioned dust absorption component during operation, this entry 31 sets up upwards, can be for the slant upwards setting, also can be for the perpendicular upwards setting to avoid the battery package to drop from the battery compartment, and make the battery package be close to toward the battery compartment second wall because of self gravity, in order to improve the connection stability between battery package and the electric connector.
The first wall surface of the battery compartment is provided with a notch 32 which enables the battery pack 2 to be at least partially exposed, and the notch 32 extends along the axis direction of the battery pack so that the finger belly of a user can contact the battery pack to pull out the battery pack; when pulling out the battery package, the user only needs insert the fluting with the thumb in, indicates the abdomen conflict battery package outer wall, makes power drive battery package and slides toward the entry direction, breaks away from simple structure, the operation of being convenient for until discharge portion and receiving electric portion.
When the battery pack is not installed, the condition of the electric connector 4 can be observed from the notch 32, so that the connection condition of the battery pack can be conveniently observed, and the condition when the battery pack is inserted into the battery compartment can be conveniently observed.
The slot 32 may expose a portion of the outer wall of the battery pack, and the slot 32 may be adjacent to the inlet and may be in communication with the inlet, as shown in fig. 4, or adjacent to the second wall and may be in communication with the second wall, as shown in fig. 5. This grooved length L (along the axis direction setting be length L, perpendicular to plug direction setting be width W) is thumb length half at least, and grooved length L is 5cm at least promptly, guarantees to indicate the abdomen can conflict battery package lateral wall to press the battery package and slide one section distance up, the fluting has certain operating space, and the user of being convenient for makes power operation.
Of course, the slot 32 may also extend from the inlet to the second wall surface, so as to increase the operation space for the user and further facilitate the user operation.
The width W of the slot 32 is smaller than the width W1 of the outer wall of the battery pack 2 at the slot, as shown in fig. 6, so as to prevent the battery pack from sliding out of the slot and ensure the normal use of the battery pack.
Of course, the two slots 32 may be symmetrically disposed and disposed on the two first wall surfaces oppositely, as shown in fig. 7, so that the thumb and the forefinger can be inserted into the slot respectively for exerting force, which is more convenient for the user to operate.
A groove 35 is formed in the first wall surface of the battery compartment 3, and the groove exposes the end surface part of the battery pack facing the second wall surface, so that a user can insert fingers and lift the battery pack in the inlet direction, the power supply part of the battery pack can be separated from the power receiving part, and the battery pack can be further pulled out of the battery compartment; the groove 35 can be arranged on the same first wall surface as the slot and communicated with the slot, so as to provide enough operation space for users; it is also possible that the opening 32 is not connected to the bottom of the compartment but extends from the bottom of the compartment toward the inlet, so that the side wall of the battery pack is at least partially exposed to provide a certain lifting space for the user.
The battery pack 2 is provided with a plurality of anti-slip ribs (not shown in the figure) on the exposed outer wall of the groove to prevent the battery pack from slipping when being pulled out, so that the battery pack is more convenient for a user to operate.
The battery pack 2 is provided with a fool-proof convex strip 21 at the end part of the inlet to avoid the misoperation of the user.
A plurality of friction pieces are integrally formed on the inner wall of the battery compartment 3 to increase friction force, each friction piece can be a convex strip 33, the convex strips 33 extend along the axis direction and are uniformly distributed on the inner wall of the battery compartment and protrude towards the interior of the battery compartment, and the convex strips extrude the battery pack to clamp the battery pack so as to prevent the battery pack from loosening; the end of the protruding strip 33 near the inlet is provided with an inclined surface, as shown in fig. 6, to facilitate insertion of the battery pack; of course, the friction member may also be a bump 38, as shown in FIG. 7.
The friction piece is made of flexible materials so as to prevent the rigid friction piece from scratching the outer wall of the battery pack.
A first clamping groove (not shown in the figure) is formed in the outer wall of the battery pack 2, an elastic buckle 34 is arranged on the first wall surface of the battery bin 3, when the battery pack 2 is inserted into the battery bin 3, the elastic buckle 34 is forced to deform by the outer wall of the battery pack until the elastic buckle 34 slides into the first clamping groove, so that clamping is realized, and the battery pack is more stably inserted into the battery bin; the elastic buckle 34 is close to the second wall surface, so that the connection stability is further improved.
The battery compartment 3 may be integrally formed on the housing 1.
Of course, the housing 1 includes a main housing 11 and a sub-housing 12 installed in the main housing 11, the main housing 11 has an installation cavity 111 therein, the slot is disposed on the main housing 11, an end of the housing 1 is connected to an end cap 13 in a snap-fit manner, the end cap 13 is snapped on the sub-housing 12, and the sub-housing and the end cap are installed on the main housing to form the battery compartment 3, as shown in fig. 8, so as to facilitate installation and wiring of the electrical connector 4.
The main shell 11 is provided with a guide groove 112, the auxiliary shell 12 is integrally formed with a guide block 121, when the auxiliary shell is installed, the guide block 121 is inserted into the guide groove 112 to realize the positioning and installation of the auxiliary shell, and the auxiliary shell is fixedly connected by adopting a screw connection; the auxiliary shell extends outwards to form a mounting column 122, a mounting hole is formed in the mounting column 122 for mounting a screw, and the screw is connected into a threaded hole in the bottom of the cavity of the mounting cavity 111 through the mounting hole in a threaded manner, so that the auxiliary shell and the main shell are fixedly mounted; the mounting hole is a counter bore to accommodate the head of the bolt to prevent the bolt from interfering with the battery pack; and meanwhile, the mounting column is inserted into a positioning hole at the bottom of the mounting cavity so as to further ensure the positioning and mounting of the auxiliary shell.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (14)
1. A battery pack and power tool assembly, comprising: the electric tool comprises a shell and a driving motor arranged in the shell, and a battery bin for mounting the battery pack is arranged on the shell;
the battery pack is provided with a discharging part;
the battery cabin is provided with an inlet for inserting and pulling the battery pack, a first wall surface which is in friction contact with the outer wall of the battery pack, and a second wall surface which is arranged opposite to the inlet, wherein the first wall surface is adjacent to the inlet;
at least one first wall surface is provided with a notch for exposing the outer wall part of the battery pack;
and when the battery pack is inserted into the battery bin, the discharging part is electrically connected with the power receiving part.
2. The battery pack and power tool assembly of claim 1, wherein: the slot extends along the axial direction of the battery pack.
3. The battery pack and power tool assembly of claim 1, wherein: the slot extends from the inlet to the second wall.
4. The battery pack and power tool assembly of claim 3, wherein: the width of the groove is smaller than that of the outer wall of the groove where the battery pack is arranged.
5. The battery pack and power tool assembly of claim 1, wherein: the number of the slots is two, and the two slots are respectively arranged on the two opposite first wall surfaces.
6. The battery pack and power tool assembly of claim 1, wherein: when the electric tool works, the inlet is arranged upwards.
7. The battery pack and power tool assembly of claim 1, wherein: and a plurality of friction pieces which are used for increasing the friction force are arranged on the first wall surface and protrude inwards the bin.
8. The battery pack and power tool assembly of claim 7, wherein: the friction piece is a convex strip or a convex point.
9. The battery pack and power tool assembly of claim 7, wherein: the friction member is a flexible member.
10. The battery pack and power tool assembly of claim 1, wherein: the power receiving portion is disposed on the second wall surface and protrudes from the second wall surface.
11. The battery pack and power tool assembly of claim 1, wherein: the casing includes the main casing body and installs in vice casing in the main casing body, it supplies to have seted up in the main casing body the installation cavity of vice casing installation, vice casing installation forms behind the main casing body the part in battery compartment.
12. The battery pack and power tool assembly of claim 11, wherein: the end part buckle of the shell is connected with an end cover, the shell and the end cover are buckled to form the battery compartment, and the inlet is formed in the end cover.
13. A battery pack and power tool assembly, comprising: the electric tool is a dust collector, the dust collector comprises a main body and a dust collection assembly detachably connected to the main body, the main body comprises a shell, a driving motor arranged in the shell, a battery pack detachably mounted on the shell, and a dust collection assembly detachably connected to one end of the shell, and a battery bin for mounting the battery pack is formed in the other end of the shell;
the battery pack is provided with a discharging part;
the battery cabin is provided with an inlet for inserting and pulling the battery pack, a first wall surface which is in friction contact with the outer wall of the battery pack, and a second wall surface which is arranged opposite to the inlet, wherein the first wall surface is adjacent to the inlet;
at least one first wall surface is provided with a notch for exposing the outer wall part of the battery pack;
and when the battery pack is inserted into the battery bin, the discharging part is electrically connected with the power receiving part.
14. The battery pack and power tool assembly of claim 13, wherein: the slot extends along the axial direction of the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121652344.2U CN216213855U (en) | 2021-07-20 | 2021-07-20 | Assembly of battery pack and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121652344.2U CN216213855U (en) | 2021-07-20 | 2021-07-20 | Assembly of battery pack and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213855U true CN216213855U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121652344.2U Active CN216213855U (en) | 2021-07-20 | 2021-07-20 | Assembly of battery pack and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410618A (en) * | 2023-12-14 | 2024-01-16 | 深圳市电科电源股份有限公司 | Energy storage power supply with heat radiation structure |
-
2021
- 2021-07-20 CN CN202121652344.2U patent/CN216213855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410618A (en) * | 2023-12-14 | 2024-01-16 | 深圳市电科电源股份有限公司 | Energy storage power supply with heat radiation structure |
| CN117410618B (en) * | 2023-12-14 | 2024-02-20 | 深圳市电科电源股份有限公司 | Energy storage power supply with heat radiation structure |
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