CN216056404U

CN216056404U - Charging device

Info

Publication number: CN216056404U
Application number: CN202122158822.0U
Authority: CN
Inventors: 庄榜锋; 黄星星; 周超
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-15
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a charger for being battery package charges, includes the casing, stretches out the power cord of casing, hold in the casing and with the control panel that the power cord is connected and with the control panel is connected and expose two electrode slices of casing, wherein, the charger still including support in the pole piece adjusting device of casing, pole piece adjusting device include with at least one electrode slice fixed connection's in two electrode slices regulating part and drive the operating parts of regulating part, the operating part with the regulating part passes through gear and rack mechanism transmission cooperation, the operating part passes through the regulating part is adjusted the relative distance between two electrode slices. The application provides a charger has the pole piece adjusting device including operating parts and regulating part, and the operating parts passes through the relative distance between two electrode slices of regulating part regulation to match the contact that charges of different battery packages, charge for the battery package of different voltages.

Description

Charging device

[ technical field ]

The utility model relates to the field of chargers, in particular to a charger for charging a battery pack.

[ background art ]

Because the application scenarios of the electric tool are complex and changeable, the user demands for the portability of the tool increasingly strongly, and the lithium battery technology is mature day by day, so that the use of the lithium battery pack as an energy source of the electric tool has become the current technical situation of the electric tool industry.

Meanwhile, the types of electric tools are increasingly abundant, the required voltages are different, and in order to realize the universality of the battery pack, a consensus is achieved in the industry at present, namely a unified battery pack platform is developed, so that the battery pack of the platform is adaptive to different types of electric tools, the purpose that one pack is multipurpose is realized, and the use cost of a user is saved. However, the user inevitably needs to use the electric tool with different voltages, and for this reason, when the battery pack is exhausted, the user needs to use different chargers to charge the battery pack with the corresponding voltage.

Whether the same charger can be used for charging the battery packs with different voltages or not is achieved, so that the cost paid by a user for purchasing the chargers with different voltages is reduced, and the use space occupied by various chargers is also reduced.

Accordingly, there is a need for an improved charger that overcomes the deficiencies of the prior art.

[ contents of utility model ]

In view of the defects of the prior art, the utility model aims to provide a charger capable of charging battery packs with different voltages, thereby reducing the use cost of users and saving the storage space.

The technical scheme adopted by the utility model for solving the problems in the prior art is as follows: the utility model provides a charger for being battery package charges, includes the casing, stretches out the power cord of casing, hold in the casing and with the control panel that the power cord is connected and with the control panel is connected and expose two electrode slices of casing, wherein, the charger still including support in the pole piece adjusting device of casing, pole piece adjusting device include with at least one electrode slice fixed connection's in two electrode slices regulating part and drive the operating parts of regulating part, the operating part with the regulating part passes through gear and rack mechanism transmission cooperation, the operating part passes through the regulating part is adjusted the relative distance between two electrode slices.

The further improvement scheme is as follows: the operating piece comprises a gear which is located at the end part and matched with the adjusting piece, the adjusting piece is a rack which is meshed with the gear, the rack comprises a free end which is relatively far away from the gear, and the electrode plate is fixedly connected to the free end.

The further improvement scheme is as follows: the operating piece comprises a connecting rod connected with the gear and a rotating disk arranged on the connecting rod, the rotating disk is in transmission connection with the connecting rod, and the shell is provided with an open slot exposing the rotating disk.

The further improvement scheme is as follows: the pole piece adjusting device is characterized in that the shell is provided with a through hole penetrating through the top, the connecting rod penetrates through the through hole and extends out of the shell, the pole piece adjusting device further comprises a locking nut which is sleeved on the end portion, far away from the gear, of the connecting rod, and the locking nut enables the shell to abut against the rotating disc through screwing operation.

The further improvement scheme is as follows: the lock nut has a rotatable handle operable by a user.

The further improvement scheme is as follows: the pole piece adjusting device further comprises a fixed disk positioned in the shell, and the fixed disk is supported on the control panel and is provided with a supporting piece for supporting and guiding the adjusting piece.

The further improvement scheme is as follows: two electrode slices include positive plate and negative pole piece, positive plate with the negative pole piece respectively through the conductor wire with the control panel is connected, the regulating part include fixed connection in the positive plate regulating part and the fixed connection of positive plate in the negative pole piece regulating part of negative pole piece, positive plate regulating part with the negative pole piece regulating part is located respectively the relative both sides of operating parts.

The further improvement scheme is as follows: the charger further comprises a signal pole piece connected with the control panel, the signal pole piece is located between the positive pole piece and the negative pole piece, and the signal pole piece is connected with the control panel through a signal wire.

The further improvement scheme is as follows: the pole piece adjusting device further comprises a fixed disc and a guide pin, wherein the fixed disc is located in the shell, the guide pin is arranged on the fixed disc, and the signal pole piece is movably sleeved on the guide pin.

The further improvement scheme is as follows: the pole piece adjusting device is made of an insulating material.

Compared with the prior art, the utility model has the following beneficial effects: the application provides a charger has the pole piece adjusting device including operating parts and regulating part, and the operating parts passes through rack and pinion mechanism transmission cooperation with the regulating part, and the operating parts passes through the regulating part and adjusts the relative distance between two electrode slices to match the contact that charges of different battery packages, charge for the battery package of different voltages.

[ description of the drawings ]

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

FIG. 1 is a schematic diagram of the state of charge of a charger in combination with a battery pack in accordance with a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall configuration of the charger shown in FIG. 1;

FIG. 3 is a schematic view of the charger of FIG. 2 from another perspective;

FIG. 3 is a schematic view of the charger of FIG. 2 with the housing removed;

FIG. 4 is a schematic diagram of a pole piece adjustment device of the charger shown in FIG. 2;

fig. 5 is a schematic top view of the housing of the charger shown in fig. 3.

The meaning of the reference symbols in the figures:

100. charger 1, shell 11, upper cover

13. Bottom case 2, power cord 21, plug

3. Control panel 4, pole piece adjusting device 41, and operation member

411. Gear 413, connecting rod 415, and rotating disk

417. Locking nut 43, adjusting piece 45 and fixing disc

451. Support 453, guide pin 47, electrode sheet

49. Signal pole piece 200, battery pack 15, receiving part

[ detailed description of the utility model ]

The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Words such as "upper," "lower," "front," "rear," and the like, which indicate orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation and, therefore, should not be taken as limiting the present invention.

Referring to fig. 1-3, a charger 100 for charging a battery pack 200 according to the present invention includes a housing 1, a power cord 2 extending out of the housing 1, a control board 3 accommodated in the housing 1 and connected to the power cord 2, and two electrode pads 47 connected to the control board 3 and exposed out of the housing 1, wherein the charger 100 further includes a pole piece adjusting device 4 supported on the housing 1, the pole piece adjusting device 4 includes an adjusting member 43 connected to at least one of the two electrode pads 47 and an operating member 41 for driving the adjusting member 43, the operating member 41 is in transmission fit with the adjusting member 43 through a gear 411 and a rack mechanism, and the operating member 41 adjusts a relative distance between the two electrode pads 47 through the adjusting member 43.

The casing 1 of the charger 100 is substantially in the shape of a hexahedron and includes a bottom case 13 and an upper cover 11 that are engaged with each other. Wherein, the top of the upper cover 11 is provided with a receiving part 15 connected with the battery pack 200, the electrode plate 47 extends into the receiving part 15 through an opening arranged on the upper cover 11, when the battery pack 200 is placed in the receiving part 15, the electrode plate 47 contacts with a charging contact of a charging port of the battery pack 200, so that the charger 100 outputs electric quantity to the battery pack 200 through the connection of the electrode plate 47 and the charging contact. The end of the power cord 2 extending out of the housing 1 is provided with a charging plug 21, and the charging plug 21 can be connected to an outlet to supply power to the charger 100.

Referring to fig. 4 and 5, the two electrode plates 47 include a positive plate and a negative plate, the positive plate and the negative plate are respectively connected with the control board 3 through conductive wires, in the present embodiment, the adjusting member 43 includes a positive plate adjusting member fixedly connected to the positive plate and a negative plate adjusting member fixedly connected to the negative plate, and the positive plate adjusting member and the negative plate adjusting member are respectively disposed on two opposite sides of the operating member 41. Of course, in other alternative embodiments, only one adjusting member 43 may be included, the adjusting member 43 is connected to the positive electrode tab or the negative electrode tab, and the other electrode tab is fixed, so that the adjusting member 43 can be driven by operating the operating member 41 to adjust the relative distance between the two electrode tabs.

The adjustment of the relative position between the positive plate and the negative plate is realized through the transmission fit of the gear rack mechanism between the operating part 41 and the adjusting part 43, so that the charging requirements of the battery pack 200 with different voltage platforms are met. The gear rack is usually driven by the rotation of the gear 411 to make the rack engaged therewith move linearly.

Referring to fig. 3 and 4, the operating member 41 includes a gear 411 at an end portion and engaged with the adjusting member 43, the adjusting member 43 is a rack engaged with the gear 411, the rack includes a free end relatively far away from the gear 411, and the electrode piece 47 is fixedly connected to the free end. The operating member 41 drives the rack to move linearly by the rotation of the gear 411, and the moving directions of the two racks located at the two radial sides of the gear 411 are opposite, so that the two racks are close to or away from each other at the same time, and the relative positions of the two electrode plates 47 fixedly connected with the racks can be adjusted, so as to meet the charging requirements of the battery packs 200 with different voltage platforms. The operating element 41 and the gear 411 may be integrally formed, or the gear 411 may be fitted and sleeved on an end of the operating element 41 through a shaft hole.

As further shown in fig. 3 to 5, the operating member 41 includes a connecting rod 413 connected to the gear 411 and a rotating disc 415 disposed on the connecting rod 413, the rotating disc 415 is in transmission connection with the connecting rod 413, and the housing 1 is opened with an opening groove exposing the rotating disc 415.

In this embodiment, the rotating disc 415 is sleeved on the connecting rod 413, and the rotating disc 415 is tightly fitted with the connecting rod 413, so that the rotating disc 415 can rotate to drive the gear 411 at the end of the connecting rod 413 to rotate, and further the electrode plate 47 is driven to move by the transmission fit of the gear-rack mechanism. Of course, the transmission connection mode is not limited to this, and the rotation disc 415 and the connection rod 413 may be integrally formed, or the two may be connected by a pin, a hole or an irregular surface.

With continued reference to fig. 3 to 5, the housing 1 is provided with a through hole (not shown) penetrating through the top, the connection rod 413 passes through the through hole and extends out of the housing 1, the pole piece adjustment device 4 further includes a lock nut 417 sleeved on an end portion of the connection rod 413 far away from the gear 411, and the lock nut 417 presses the housing 1 against the rotation disc 415 through a screwing operation. The locking nut 417 is screwed to the connecting rod 413, i.e., the locking nut 417 is provided with an internal thread, and the end of the connecting rod 413 is provided with an external thread matching the internal thread, and the locking nut 417 can be raised or lowered relative to the connecting rod 413 by a rotational movement. In this embodiment, the lock nut 417 performs a lowering motion during the locking. The upper cover 11 of the housing 1 is partially positioned between the lock nut 417 and the rotary plate 415, and when the lock nut 417 is locked, the lock nut 417 presses against the rotary plate 415 through the upper cover 11, and the rotary plate 415 cannot rotate. When the output voltage needs to be adjusted, the locking nut 417 is loosened, the locking nut 417 rises, so that the distance between the upper cover 11 and the rotating disc 415 is increased, the rotating disc 415 can be adjusted, the rotating disc 415 is rotated to drive the electrode plate 47 to adjust the position, and the locking nut 417 is screwed again after the position is adjusted, so that the position of the electrode plate 47 is fixed.

In the present embodiment, the lock nut 417 has a rotary knob operable by a user, in other words, the lock nut 417 is a wing nut, and this is provided to facilitate the user to perform the locking operation or the unlocking operation at any time by rotating the knob.

Referring to fig. 5, the pole piece adjusting device 4 further comprises a fixing plate 45 located in the housing 1, wherein the fixing plate 45 is supported on the control board 3 and is provided with a support 451 for supporting and guiding the adjusting member 43. The fixing plate 45 is connected to the control plate 3 in a fixing manner such as a screw connection. The supporting member 451 is provided to support and guide the rack, so as to prevent the rack from deviating from a predetermined track when the rotating motion of the operating member 41 is too rapid or heavy, thereby causing the position or angle of the electrode plate 47 to deviate. The support member 451 is provided with a guide rail (not shown) along which the rack bar is linearly reciprocated by the operating member 41.

In the present embodiment, the charger 100 further includes a signal pole piece 49 connected to the control board 3, the signal pole piece 49 is located between the positive pole piece and the negative pole piece, and the signal pole piece 49 is connected to the control board 3 through a signal line. The signal pole piece 49 is also exposed outside the housing 1 and located in the receiving portion 15, and the signal pole piece 49 is used for transmitting signals such as temperature and voltage.

The pole piece adjusting device 4 further comprises a fixed disk 45 positioned in the body 1 and a guide pin 453 arranged on the fixed disk 45, and the signal pole piece 49 is movably sleeved on the guide pin 453. The signal pole piece 49 is movably sleeved on the guide pin 453, and a user can manually adjust the position of the signal pole piece 49 according to needs.

The electrode plate adjusting device 4 is made of an insulating material, as described above, the positive and negative electrode plates are electrically connected to the control board 3 through the conductive wires, the signal electrode plate 49 is communicatively connected to the control board 3 through the signal wires, the electrode plate adjusting device 4 is made of an insulating material to prevent the positive and negative electrode plates from being conducted to form a short circuit, and a plastic material is generally used as the insulating material.

To sum up, this preferred embodiment provides a charger 100, because utilized the transmission principle of rack and pinion mechanism for the user can realize the quick adjustment of electrode piece 47 through simple operation, thereby adapts to the demand of charging for the battery package 200 of different voltage platforms, has reduced user's consumption cost, has reduced the condition that the excessive storage space that multiple charger 100 probably caused. Thus, one charger 100 can be used by a plurality of battery packs 200, thereby greatly improving the effective utilization rate of the charger 100, saving production data and economic cost.

The present invention is not limited to the above-described embodiments. One of ordinary skill in the art will readily recognize that there are numerous alternatives to the charger 100 of the present invention without departing from the spirit and scope of the present invention. The protection scope of the present invention is subject to the content of the claims.

Claims

1. The utility model provides a charger for being battery package charges, includes the casing, stretches out the power cord of casing, hold in the casing and with the control panel that the power cord is connected and with the control panel is connected and is exposed two electrode slices of casing which characterized in that: the charger further comprises a pole piece adjusting device supported on the shell, the pole piece adjusting device comprises an adjusting piece fixedly connected with at least one of the two electrode pieces and an operating piece driving the adjusting piece, the operating piece is in transmission fit with the adjusting piece through a gear and rack mechanism, and the operating piece adjusts the relative distance between the two electrode pieces through the adjusting piece.

2. The charger of claim 1, wherein: the operating piece comprises a gear which is located at the end part and matched with the adjusting piece, the adjusting piece is a rack which is meshed with the gear, the rack comprises a free end which is relatively far away from the gear, and the electrode plate is fixedly connected to the free end.

3. The charger of claim 2, wherein: the operating piece comprises a connecting rod connected with the gear and a rotating disk arranged on the connecting rod, the rotating disk is in transmission connection with the connecting rod, and the shell is provided with an open slot exposing the rotating disk.

4. The charger of claim 3, wherein: the pole piece adjusting device is characterized in that the shell is provided with a through hole penetrating through the top, the connecting rod penetrates through the through hole and extends out of the shell, the pole piece adjusting device further comprises a locking nut which is sleeved on the end portion, far away from the gear, of the connecting rod, and the locking nut enables the shell to abut against the rotating disc through screwing operation.

5. The charger of claim 4, wherein: the lock nut has a rotatable handle operable by a user.

6. The charger of claim 2, wherein: the pole piece adjusting device further comprises a fixed disk positioned in the shell, and the fixed disk is supported on the control panel and is provided with a supporting piece for supporting and guiding the adjusting piece.

7. The charger of claim 1, wherein: two electrode slices include positive plate and negative pole piece, positive plate with the negative pole piece respectively through the conductor wire with the control panel is connected, the regulating part include fixed connection in the positive plate regulating part and the fixed connection of positive plate in the negative pole piece regulating part of negative pole piece, positive plate regulating part with the negative pole piece regulating part is located respectively the relative both sides of operating parts.

8. The charger of claim 7, wherein: the charger further comprises a signal pole piece connected with the control panel, the signal pole piece is located between the positive pole piece and the negative pole piece, and the signal pole piece is connected with the control panel through a signal wire.

9. The charger of claim 8, wherein: the pole piece adjusting device further comprises a fixed disc and a guide pin, wherein the fixed disc is located in the shell, the guide pin is arranged on the fixed disc, and the signal pole piece is movably sleeved on the guide pin.

10. Charger according to any of claims 1-9, characterized in that: the pole piece adjusting device is made of an insulating material.