CN216229213U

CN216229213U - Power device

Info

Publication number: CN216229213U
Application number: CN202122962873.9U
Authority: CN
Inventors: 董建华; 彭建军
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a power device, comprising: a housing; a drive assembly including a drive motor mounted within the housing; the battery package holds the chamber, installs in the casing, just the battery package holds and is provided with at least one cavity in the intracavity, just the depth direction of cavity with be formed with the scope between the bottom surface of casing and be 40 to 60 contained angles between. The battery pack plugging device enables the plugging process of the battery pack to be convenient and comfortable, and the structural layout of the battery pack to be reasonable, so that the interference with a driving motor is avoided, and the size of the whole power head can be reduced.

Description

Power device

Technical Field

The utility model belongs to the technical field of electric tools, and particularly relates to a power device.

Background

With the development and progress of society, people have higher and higher requirements on the use performance of tools. The existing power tools are generally divided into power tools using a gasoline engine as power and electric tools using a lithium battery as power, most of the existing outdoor power equipment or garden tools are used, the power head using the gasoline engine as power has the defects of inconvenient operation and control, high noise, serious pollution and potential safety hazard in gasoline storage, and meanwhile, the electric tools have the advantages of low noise and low pollution, along with the enhancement of environmental awareness of people, the electric tools using the lithium battery as power gradually replace the tools using the gasoline engine as power, so that the electric tools are widely popularized and recognized.

The power head of the existing electric tool usually only uses one battery pack for power supply, so that the problem that one battery pack cannot supply power for a long time is necessarily caused, and the requirement of continuously mowing the grass for a long time by a user cannot be met; and when using a plurality of battery package combinations, can make the volume of whole unit head bigger, inside winding displacement can be more complicated and the inside components and parts of electric tool's unit head arrange unreasonablely, the later stage maintenance of being not convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power device, which aims to solve the problems that when an existing power head is combined by a plurality of battery packs, the volume of the whole power head is large, internal wiring is complex, and internal components of the power head of an electric tool are unreasonable in arrangement and inconvenient to maintain later.

The utility model provides a power device, comprising:

a housing;

a drive assembly including a drive motor mounted within the housing;

the battery package holds the chamber, installs in the casing, just the battery package holds the intracavity and is provided with at least one cavity, the depth direction of cavity with be formed with the scope between the bottom surface of casing and be 40 to 60 contained angles between.

In one embodiment of the utility model, the angle between the depth direction of the chamber and the bottom surface of the housing is set between 45 ° and 55 °.

In an embodiment of the present invention, the driving assembly further includes a motor mounting seat, the motor mounting seat is mounted on the housing and is fixedly connected to the housing, and the driving motor is fixedly mounted on the motor mounting seat through a motor flange.

In one embodiment of the utility model, the side wall of the cavity of each battery pack accommodating cavity is provided with a matching interface, and each matching interface is provided with a connecting device.

In an embodiment of the present invention, the connection device includes a power supply mounting seat, the power supply mounting seat is mounted at the mating interface in a mating manner, and a connection interface is disposed on the power supply mounting seat, and a plug terminal is mounted on the connection interface for electrically connecting with the battery pack.

In an embodiment of the utility model, charging guide rails are arranged on two sides of the connecting interface, and the battery pack is in fit connection with the connecting interface through the charging guide rails so as to be electrically connected with the plug terminals.

In an embodiment of the present invention, the connecting device is further provided with a limiting assembly, the limiting assembly includes a limiting member mounting seat, a limiting member and a limiting button, the limiting member mounting seat is fixedly mounted on one side of the power supply mounting seat away from the connecting interface, the limiting member is movably connected with the limiting member mounting seat, the limiting button is slidably connected with the limiting member mounting seat, and the top of the limiting button protrudes out of the power supply mounting seat.

In one embodiment of the utility model, the housing comprises an end cover, the end cover is fixedly connected with the battery pack accommodating cavity, and a control board is further mounted on the inner side of the end cover.

In one embodiment of the utility model, the bottom of the cavity of each battery pack accommodating cavity is provided with a wire guide groove so as to accommodate the leading-out of wires from the wire guide groove and be connected to the control board on the inner side of the end cover.

In one embodiment of the present invention, at least a first chamber, a second chamber and a third chamber are disposed in the battery pack accommodating chamber, the first chamber and the second chamber are disposed in parallel in an axial direction of a motor output shaft of the drive assembly, and the second chamber and the third chamber are disposed in parallel in a direction perpendicular to the axial direction of the motor output shaft.

According to the power head, the depth direction of the cavity in the battery pack accommodating cavity is perpendicular to the axial direction of the motor output shaft, and an included angle in a certain range is formed between the depth direction of the cavity and the bottom surface of the shell, so that the battery pack is convenient and comfortable to insert and pull out, the structural layout of the power head is reasonable, interference with a driving motor is avoided, and the size of the whole power head can be reduced.

Drawings

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

Fig. 1 is a schematic structural diagram of a power head according to an embodiment of the present invention.

FIG. 2 is a front view of the powerhead in an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view taken along a-a in fig. 2.

FIG. 4 is a schematic view of the assembly of the driving assembly and the housing according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a driving assembly according to an embodiment of the utility model.

Fig. 6 is a schematic structural view of a battery pack accommodating cavity according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a connecting device according to an embodiment of the utility model.

FIG. 8 is an exploded view of a connecting device according to an embodiment of the present invention.

Description of reference numerals:

a housing 10; a first housing 11; a support post 112; a slope 1121; a second housing 12; an end cap 13; a battery pack accommodating chamber 20; a chamber 201; a mating interface 202; a wire groove 203; a wire slot 204; the connecting means 21; a power supply mount 211; a connection interface 212; a plug terminal 213; a charging rail 214; a stop assembly 22; a stopper mount 221; a stop block 222; a limit button 223; a stopper portion 2221; a connecting portion 2222; a drive assembly 30; a drive motor 31; a motor flange 311; a motor output shaft 312; a motor mount 32; a flip cover mechanism 40.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

The utility model provides a power head mechanism, which aims to solve the problems that when a plurality of battery packs are combined, the volume of the whole power head is larger, the internal wiring is more complicated, the arrangement of internal components of the power head of an electric tool is unreasonable, the later maintenance is inconvenient, the structure of the traditional flip cover is complicated, and the assembly and fixation processes are complicated, and the problem of the machine not being able to work due to the excessive temperature of the motor and the control board, in particular, as shown in figures 1 to 8, in this embodiment, the powerhead mechanism includes a housing 10, a battery pack receiving cavity 20, a drive assembly 30 and a flip mechanism 40, the driving assembly 30 is installed in the housing 10, the battery pack accommodating chamber 20 is also installed in the housing 10, and a battery pack is installed in the battery pack accommodating chamber 20, the flip mechanism 40 is mounted on the battery pack receiving chamber 20 to provide a power source for the driving assembly 30.

As shown in fig. 1 to 5, in the present embodiment, the housing 10 includes a first housing 11, a second housing 12, and an end cap 13, the second housing 12 is located above the first housing 11 and is fixedly mounted with the first housing 11 to form a receiving cavity for mounting a driving assembly 30, and the end cap 13 is mounted on one side of the top of the second housing 12, and a control board is mounted inside the end cap 13. In this embodiment, the driving assembly 30 includes a driving motor 31 and a motor mounting seat 32, the motor mounting seat 32 is installed on a side surface of the housing 10 and is fixedly connected to the housing 10, and the driving motor 31 is fixedly installed on the motor mounting seat 32 through a motor flange 311.

As shown in fig. 1 to fig. 5, in the present embodiment, a plurality of support pillars 112 are disposed inside the first housing 11, and a top surface of each support pillar 112 is an inclined surface 1121, so as to support the battery pack accommodating cavity 20, that is, the battery pack accommodating cavity 20 is mounted in the first housing 11 and is supported by the support pillars 112, so that an accommodating space is formed between a cavity wall of the battery pack accommodating cavity 20 and the first housing 11, so as to accommodate the driving assembly 30. In this embodiment, a plurality of cavities 201 are disposed in the battery pack accommodating cavity 20, a battery pack is mounted in each cavity 201 to provide a power source for the driving assembly 30, a central line L1 in the depth direction of the cavity 201 is perpendicular to the axial direction of the motor output shaft 312 in space, and an included angle α in a range of 40 ° to 60 ° is formed between the central line L1 in the depth direction of the cavity 201 and the bottom surface of the housing 10, further, the included angle α is set between 45 ° and 55 °, and the arrangement of the included angle makes the insertion and removal process of the battery pack convenient and comfortable, and can make the structural layout thereof reasonable, so as to avoid interference with the driving motor 31, and can reduce the size of the whole power head, in this embodiment, the number of the cavities 201 is set to three, for example.

As shown in fig. 6, in this embodiment, a first chamber 2011, a second chamber 2012 and a third chamber 2013 are disposed in the battery pack accommodating cavity 20, and a battery pack is respectively mounted in the first chamber 2011, the second chamber 2012 and the third chamber 2013, wherein the first chamber 2011 and the second chamber 2012 are disposed in parallel along the axial direction of the motor output shaft 312, and the second chamber 2012 and the third chamber 2013 are disposed in parallel along a direction perpendicular to the axial direction of the motor output shaft 312.

As shown in fig. 3 and fig. 6 to 8, in this embodiment, a side wall of the cavity 201 of each battery pack accommodating cavity 20 is provided as a mating interface 202, each mating interface 202 is provided with a connecting device 21, the connecting device 21 includes a power supply mounting seat 211, the power supply mounting seat 211 is mounted at the mating interface 202 in a mating manner, the power supply mounting seat 211 is provided with a connecting interface 212, the connecting interface 212 is provided with a plug terminal 213, and the battery pack is connected to the plug terminal 213 in a mating manner through a guide rail 214 on the connecting interface 212.

As shown in fig. 3 and fig. 6 to fig. 8, in this embodiment, the connecting device 21 is further provided with a limiting component 22, the limiting component 22 includes a limiting component mounting seat 221, a limiting component 222 and a limiting button 223, the limiting component mounting seat 221 is fixedly mounted on one side of the power supply mounting seat 211 away from the connection interface 212, the limiting component 222 is movably connected to the limiting component mounting seat 221, the limiting component 222 includes a limiting portion 2221 and a connecting portion 2222, the limiting portion 2221 partially protrudes from the power supply mounting seat 211 and is located in the cavity 201 to play a limiting role when a battery pack is connected to the inserting terminal 213, so as to fix the battery pack in the cavity 201, the connecting portion 2222 is located at two sides of the limiting portion 2221 and is provided as an inclined surface structure, and the limiting button 223 is slidably connected to the limiting component mounting seat 221, and the top of the limit button 223 protrudes out of the power supply mounting seat 211 so as to be pressed, the bottom of the limit button 223 is provided with an inclined surface structure corresponding to the connecting part 2222 on the limit block 222, when the limit button 223 is pressed, the bottom of the limit button 223 is contacted and pressed with the connecting part 2222 on the limit block 222, so that the limit block 222 retracts inwards, and is separated from the battery pack so as to release the limit.

As shown in fig. 3, 6 to 8, in addition, in this embodiment, the end cover 13 and the battery pack accommodating cavity 20 are fixedly installed, and the inner side of the end cover 13 is installed with a control board, the inserting piece of the inserting terminal 213 is connected with an electric wire, and the bottom of the cavity 201 of each battery pack accommodating cavity 20 is provided with a wire guiding groove 203, so as to accommodate the electric wire led out from the wire guiding groove 203 and connected to the control board at the inner side of the end cover 13, because the whole cavity 201 is obliquely arranged, the electric wire led out from any cavity 201 can be well connected with the wire led out from the control board, which is beneficial for routing and wiring among them, and is also beneficial for replacing the control board during maintenance. In this embodiment, the top of the battery pack accommodating cavity 20 is further provided with a membrane switch, the membrane switch is provided with an electric quantity display and energy-saving mode button, a wire of the membrane switch is connected to the internal control board through a wire slot 204, and it should be further noted that the top of the battery pack accommodating cavity 20 is further provided with a gear switch, when the battery pack accommodating cavity is located at the first gear, the electric device is powered on, when the battery pack accommodating cavity is located at the second gear, the machine is started, and the motor starts to rotate.

The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.

Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. A power plant, comprising:

a housing;

a drive assembly including a drive motor mounted within the housing;

the battery package holds the chamber, installs in the casing, just the battery package holds and is provided with at least one cavity in the intracavity, just the depth direction of cavity with be formed with the scope between the bottom surface of casing and be 40 to 60 contained angles between.

2. The power unit of claim 1, wherein an angle between a depth direction of the chamber and a bottom surface of the housing is set between 45 ° and 55 °.

3. The powerplant of claim 1, wherein the drive assembly further comprises a motor mount, the motor mount being mounted to the housing and fixedly coupled to the housing, the drive motor being fixedly mounted to the motor mount via a motor flange.

4. A power unit according to claim 1 wherein the side wall of the chamber of each battery pack receiving cavity is provided with a mating interface, each mating interface having a connection means mounted thereon.

5. The power device according to claim 4, wherein the connecting device comprises a power supply mounting seat, the power supply mounting seat is mounted at the mating interface in a matching manner, a connecting interface is arranged on the power supply mounting seat, and a plug terminal is mounted on the connecting interface and used for being electrically connected with the battery pack.

6. The power device as claimed in claim 5, wherein charging rails are disposed on two sides of the connecting interface, and the battery pack is connected with the connecting interface through the charging rails in a matching manner so as to be electrically connected with the plug terminals.

7. The power device according to claim 5, wherein the connecting device is further provided with a limiting component, the limiting component comprises a limiting component mounting seat, a limiting component and a limiting button, the limiting component mounting seat is fixedly mounted on one side of the power supply mounting seat far away from the connecting interface, the limiting component is movably connected with the limiting component mounting seat, the limiting button is slidably connected with the limiting component mounting seat, and the top of the limiting button protrudes out of the power supply mounting seat.

8. The power device of claim 1, wherein the housing comprises an end cover, the end cover is fixedly connected with the battery pack accommodating cavity, and a control board is further mounted on the inner side of the end cover.

9. The power plant of claim 8, wherein the bottom of the chamber of each battery pack receiving cavity is provided with a wire guide slot for receiving wires to be led out from the wire guide slot and connected to the control board inside the end cover.

10. The power unit of claim 1, wherein at least a first chamber, a second chamber and a third chamber are provided in the battery pack accommodating chamber, the first chamber and the second chamber are juxtaposed in an axial direction of a motor output shaft of the drive assembly, and the second chamber and the third chamber are juxtaposed in a direction perpendicular to the axial direction of the motor output shaft.