CN218731516U - Lithium battery pack for portable handheld working equipment - Google Patents
Lithium battery pack for portable handheld working equipment Download PDFInfo
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- CN218731516U CN218731516U CN202222951850.2U CN202222951850U CN218731516U CN 218731516 U CN218731516 U CN 218731516U CN 202222951850 U CN202222951850 U CN 202222951850U CN 218731516 U CN218731516 U CN 218731516U
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- locking
- mounting
- locking piece
- battery pack
- lithium battery
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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
Abstract
The utility model belongs to the technical field of battery packs, in particular to a lithium battery pack for portable handheld working equipment, which is arranged between an upper shell and a lower shell of the shell and comprises an electric core, a lower mounting bracket and an upper mounting bracket; the battery cell mounting structure comprises an upper mounting support, a circuit board and a plurality of battery cells, wherein the upper mounting support is provided with connecting sheets for connecting the battery cells, and one side of the upper mounting support is provided with the circuit board connected with the connecting sheets; the upper mounting bracket is composed of the plurality of connecting brackets, the connecting brackets are detachably connected with each other through the mounting mechanism, the mounting mechanism can fix the connecting piece on the upper mounting bracket, the mounting and dismounting of a single battery cell can be realized, and the maintenance and the use in the later period of convenience are realized.
Description
Technical Field
The utility model belongs to the technical field of the group battery technique and specifically relates to a lithium cell group for portable hand-held type working equipment.
Background
Generally, a lithium battery pack for portable handheld working equipment is mounted in a shell, is usually mounted on a backpack device, is used for carrying voltage by a user and holds the working equipment to work, and is used for providing electric energy for a handheld electric tool which can be an electric saw, a grass trimmer, a flower and grass trimmer, an automatic cutting machine and other electric equipment needing to be moved and operated in a handheld mode;
in the prior art, the battery pack is generally mounted inside a case, and then a circuit board for controlling the discharge state of the battery pack is disposed inside the case; for example, patent publication No. CN107681219A discloses a battery pack, it is through setting up the circuit board in the side, has reduced the holistic size of group battery, and it is inside fixing electric core at the casing through the support, but because the wholeness of its support, when electric core broke down, need dismantle whole support and electric core and just can carry out the change to trouble electric core, and the operation is comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a lithium cell group for portable hand-held type working equipment for solve the problem in the above-mentioned background art.
In view of the above, the present invention provides a lithium battery pack for a portable handheld working device, which is disposed between an upper casing and a lower casing of a casing, wherein the upper casing and the lower casing are engaged to form a cavity for mounting the lithium battery pack;
the lithium battery pack comprises a plurality of battery cells arranged in rows; the lower mounting bracket is fixed on the lower shell and is provided with a fixing groove for inserting the bottom of each electric core; the upper mounting brackets are arranged above the lower mounting brackets at intervals and used for fixing the upper ends of the battery cells; the upper mounting bracket is provided with a connecting sheet for connecting each battery cell, and one side of the upper mounting bracket is provided with a circuit board connected with the connecting sheet; the upper mounting bracket is composed of a plurality of connecting brackets, the connecting brackets are detachably connected through mounting mechanisms, and the mounting mechanisms can fix the connecting sheets on the upper mounting bracket.
In the above technical scheme, further, a fixing hole for the battery cell to penetrate out upwards is formed in the connecting support, the connecting sheet is connected with the battery cells in the same row in a strip-shaped structure, and the battery cells penetrate out of the fixing hole and are connected with the connecting sheet.
In the above technical solution, further, the mounting mechanism includes a connecting unit for connecting each connecting bracket; a fixing unit for fixing the connection sheet; the connecting unit comprises connecting grooves which are formed in two side walls of the connecting support and vertically penetrate through the connecting support; the connecting blocks are fixed on the other two side walls of the connecting bracket; and the fixed block on the connecting bracket can be matched and inserted into the fixed groove of the adjacent connecting bracket for connection.
In the above technical solution, further, the fixing unit includes mounting grooves which are formed at four corners of the connecting brackets, and the mounting grooves can form a porous structure between the connecting brackets after the adjacent connecting brackets are connected; the locking sheet is positioned at the joint of the upper ends of the connecting brackets and is provided with a hole matched with the mounting groove; the locking mechanism is used for locking and fixing the locking sheet on the connecting bracket; the connecting piece is positioned between the connecting bracket and the locking piece.
In the above technical solution, further, two sides of the bottom of the locking plate are provided with locking grooves into which the side portions of the locking plate are inserted.
In the above technical solution, further, the locking mechanism includes a lower locking member inserted into the mounting groove from the bottom of the mounting groove, and the lower locking member cannot pass through a hole formed by the mounting groove from the bottom; the upper locking piece is inserted into the mounting groove from the top of the mounting groove and connected with the lower locking piece, and at least part of the upper locking piece is positioned at the upper end of the locking sheet;
the locking hole is formed in the lower locking piece, and the locking hole is formed in the top of the lower locking piece and used for inserting the bottom of the upper locking piece; the limiting groove is formed in the inner wall of the locking hole; and the locking rod is arranged on the lower locking piece, protrudes outwards into the limiting groove and can be contracted into the lower locking piece.
In the above technical solution, further, the upper locking member is provided with a movable cavity, which is opened inside the upper locking member; the movable rod is arranged in the upper locking piece and extends upwards to protrude out of the upper locking piece; the spring is arranged at the bottom of the movable rod; the limiting block is fixed on the movable rod; the movable groove is formed in the side wall of the upper locking part, one end of the locking rod is hinged to the movable rod, and the other end of the locking rod penetrates out of the movable groove to the limiting groove.
The utility model has the advantages that:
1. the upper mounting bracket is arranged into a plurality of connecting brackets with the same number as the electric cores, and the connecting brackets can be connected and fixed by vertically inserting the connecting brackets, so that the use is convenient, each electric core can be connected with the connecting bracket firstly and then mounted on the lower mounting bracket when mounting is carried out, the function of independent mounting is realized, and the mounting is convenient; most importantly, when an individual battery core fails, the battery core with the failure and the connecting support connected with the battery core with the failure can be independently installed and detached, so that the battery is convenient to use and convenient to maintain and use in the later period.
2. Through the arrangement of the mounting groove, a connecting hole is automatically formed when the connecting support is connected, the connecting sheet is directly locked on the connecting support when the connecting support is mounted by utilizing the locking of the hole and the locking plate, and the connecting sheet is always attached to the battery cell through the pressing of the locking sheet, so that the mounting is convenient and fast, and the work is stable; and through the fixing of each locking plate, the phenomenon that each connecting support on the surface moves up and down when in use can be realized, and the stability of the installation of the battery cell is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a housing according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of a battery cell according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection bracket according to the embodiment of the present invention;
FIG. 4 is a schematic view of the installation of the locking piece according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a locking mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of the upper retaining member of the embodiment of the present invention;
labeled as:
1. an upper housing; 2. a lower housing; 3. an electric core; 4. a lower connecting bracket; 5. fixing grooves; 6. connecting a bracket; 7. connecting sheets; 8. a fixing hole; 9. connecting grooves; 10. connecting blocks; 11. mounting grooves; 12. a locking piece; 13. a locking groove; 14. a lower locking piece; 15. an upper locking member; 16. a locking hole; 17. a limiting groove; 18. a locking lever; 19. a movable cavity; 20. a movable rod; 21. a spring; 22. a limiting block; 23. a movable groove;
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Example 1
As shown in fig. 1 to 4, in the present embodiment, a lithium battery pack for a portable handheld working device is disclosed, and in a specific embodiment of the present invention, the lithium battery pack is disposed between an upper casing 1 and a lower casing 2 of the casing, and the upper casing 1 and the lower casing 2 are engaged to form a cavity for mounting the lithium battery pack;
the lithium battery pack comprises a plurality of battery cores 3 arranged in rows, and the battery cores are arranged as lithium battery cores; the lower mounting bracket is fixed on the lower shell 2, and is provided with a fixing groove 5 for inserting the bottom of each electric core 3; the upper mounting brackets are arranged above the lower mounting brackets at intervals and used for fixing the upper ends of the electric cores 3; the upper mounting bracket is provided with a connecting sheet 7 for connecting each electric core 3, and one side of the upper mounting bracket is provided with a circuit board connected with the connecting sheet 7; the upper mounting bracket is composed of a plurality of connecting brackets 6, the number of the connecting brackets is the same as that of the battery cells, the upper ends of the battery cells can be fixedly mounted on the connecting brackets, the connecting brackets 6 are detachably connected through mounting mechanisms, and the mounting mechanisms can fix the connecting sheets 7 on the upper mounting bracket.
The lithium battery pack is arranged in a rechargeable mode, and a charging interface and a power supply structure which are electrically connected with the circuit board are correspondingly arranged on the shell.
In this embodiment, a fixing hole 8 through which the electrical core 3 penetrates upward is formed in the connecting support 6, the connecting sheet 7 is connected to the electrical cores 3 in the same row in a strip-shaped structure, and the electrical cores 3 penetrate through the fixing hole 8 and are connected to the connecting sheet 7.
In the present embodiment, the mounting mechanism includes a connecting unit for connecting the respective connecting brackets 6; a fixing unit for fixing the connecting piece 7; the connecting unit comprises connecting grooves 9 which are formed in two side walls of the connecting support 6 and vertically penetrate through the connecting support 6; the connecting blocks 10 are fixed on the other two side walls of the connecting bracket 6; and the fixing blocks on the connecting brackets 6 can be matched and inserted into the fixing grooves 5 of the adjacent connecting brackets 6 for connection.
According to the technical scheme, the upper mounting bracket is provided with the connecting brackets with the same number as the number of the battery cells, and the connecting brackets can be connected and fixed through vertical insertion, so that the use is convenient, each battery cell can be connected with the connecting brackets firstly and then mounted on the lower mounting bracket when mounting is performed, the function of independent mounting is realized, and the mounting is convenient; most importantly, when an individual battery core fails, the battery core with the failure and the connecting support connected with the battery core with the failure can be independently installed and detached, so that the battery is convenient to use and convenient to maintain and use in the later period.
In this embodiment, the fixing unit includes mounting grooves 11, which are opened at four corners of the connecting brackets 6, and the mounting grooves 11 can form a hole-shaped structure between the connecting brackets 6 after the adjacent connecting brackets 6 are connected; the locking sheet 12 is positioned at the joint of the upper ends of the connecting brackets 6 and is provided with a hole matched with the mounting groove 11; the locking mechanism is used for locking and fixing the locking sheet 12 on the connecting bracket 6; the connecting piece 7 is positioned between the connecting bracket 6 and the locking piece 12.
According to the technical scheme, the installation groove is arranged, the connection hole is automatically formed when the connecting support is connected, the hole is matched with the locking plate for locking, the connecting sheet is directly locked on the connecting support during installation, and the connecting sheet is always attached to the battery cell through the pressing of the locking sheet, so that the installation is convenient and fast, and the work is stable; and through the fixing of each locking plate, the phenomenon that each connecting support on the surface moves up and down when in use can be realized, and the stability of the installation of the battery cell is ensured.
In this embodiment, locking grooves 13 for inserting the side portions of the locking piece 12 are formed in two sides of the bottom of the locking piece 12, so that the stability of locking the connecting piece is improved.
Example 2
The present embodiment provides a lithium battery pack for a portable handheld working device, which includes the following technical features in addition to the technical solutions of the above embodiments.
As shown in FIGS. 5 and 6, the locking mechanism in this embodiment includes a lower locking member 14 inserted into the installation slot 11 from the bottom of the installation slot 11, and the lower locking member 14 cannot pass through the hole formed in the installation slot 11 from the bottom; an upper locking piece 15 inserted into the mounting groove 11 from the top of the mounting groove 11 to be connected with the lower locking piece 14, wherein the upper locking piece 15 is at least partially positioned at the upper end of the locking piece 12;
wherein, the lower locking piece 14 is provided with a locking hole 16 which is arranged at the top of the lower locking piece 14 for the bottom of the upper locking piece 15 to be inserted; the limiting groove 17 is formed in the inner wall of the locking hole 16; and a locking rod 18 which is arranged on the lower locking piece 14, protrudes outwards into the limiting groove 17 and can be contracted into the lower locking piece 14.
In the embodiment, the upper locking member 15 is provided with a movable cavity 19 which is arranged inside the upper locking member 15; a movable rod 20 provided in the upper locking member 15 and extending upward to protrude the upper locking member 15; a spring 21 provided at the bottom of the movable rod 20; a stopper 22 fixed to the movable rod 20; and the movable groove 23 is formed in the side wall of the upper locking part 15, one end of the locking rod 18 is hinged with the movable rod 20, and the other end of the locking rod penetrates through the movable groove 23 to the limiting groove 17.
According to the technical scheme, when the connecting sheet is fixed by the locking plate, the movable rod is pressed downwards to drive the locking rod to be turned inwards to enter the movable cavity, the upper locking piece is inserted into the locking hole of the lower locking piece, the movable rod is loosened, the movable rod moves upwards under the driving of the spring, the locking rod penetrates through the movable groove and enters the limiting groove, and the upper locking piece and the lower locking piece are locked to finish locking; the movable rod is pressed downwards in the same way when the device is disassembled; the installation locking is convenient, and the dismantlement is convenient.
While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.
Claims (7)
1. A lithium battery pack for a portable handheld work apparatus,
the upper shell and the lower shell are clamped to form a cavity;
the method is characterized in that: the lithium battery pack comprises
A plurality of battery cells;
the lower mounting bracket is fixed on the lower shell and is provided with a fixing groove for inserting the bottom of each electric core;
the upper mounting brackets are arranged above the lower mounting brackets at intervals and used for fixing the upper ends of the battery cells;
the upper mounting bracket is provided with a connecting sheet for connecting each battery cell, and one side of the upper mounting bracket is provided with a circuit board connected with the connecting sheet;
the upper mounting bracket is composed of a plurality of connecting brackets, the connecting brackets are detachably connected through mounting mechanisms, and the mounting mechanisms can fix the connecting sheets on the upper mounting bracket.
2. A lithium battery pack for a portable handheld work apparatus according to claim 1, characterized in that: the connecting support is provided with a fixing hole for the electric core to penetrate out upwards, the connecting sheet is connected with the electric cores in the same row in a strip-shaped structure, and the electric cores penetrate out of the fixing hole and are connected with the connecting sheet.
3. A lithium battery pack for a portable handheld work apparatus according to claim 1, characterized in that: the mounting mechanism comprises
The connecting unit is used for connecting the connecting brackets;
a fixing unit for fixing the connection sheet;
wherein the connection unit comprises
The connecting grooves are formed in the two side walls of the connecting support and vertically penetrate through the connecting support;
the connecting blocks are fixed on the other two side walls of the connecting bracket;
and the fixed block on the connecting bracket can be matched and inserted into the fixed groove of the adjacent connecting bracket for connection.
4. A lithium battery pack for a portable handheld work apparatus according to claim 3, characterized in that: the fixing unit comprises
The mounting grooves are formed at four corners of the connecting supports, and after the adjacent connecting supports are connected, the mounting grooves can form a porous structure between the connecting supports;
the locking sheet is positioned at the joint of the upper ends of the connecting brackets and is provided with a hole matched with the mounting groove;
the locking mechanism is used for locking and fixing the locking sheet on the connecting bracket;
the connecting piece is positioned between the connecting bracket and the locking piece.
5. A lithium battery pack for a portable handheld working device according to claim 4, characterized in that: and locking grooves for inserting the side parts of the locking sheets are formed in two sides of the bottom of each locking sheet.
6. A lithium battery pack for a portable handheld working device according to claim 4, characterized in that: the locking mechanism comprises
The lower locking piece is inserted into the mounting groove from the bottom of the mounting groove;
the upper locking piece is inserted into the mounting groove from the top of the mounting groove and connected with the lower locking piece, and at least part of the upper locking piece is positioned at the upper end of the locking sheet;
wherein, the lower locking piece is provided with
The locking hole is formed in the top of the lower locking piece and used for inserting the bottom of the upper locking piece;
the limiting groove is formed in the inner wall of the locking hole; and
the locking lever is arranged on the lower locking piece, protrudes outwards into the limiting groove and can be contracted into the lower locking piece.
7. The lithium battery pack for a portable handheld working device according to claim 6, wherein: the upper locking part is provided with
The movable cavity is arranged inside the upper clamping piece;
the movable rod is arranged in the upper locking piece and extends upwards to protrude out of the upper locking piece;
the spring is arranged at the bottom of the movable rod;
the limiting block is fixed on the movable rod;
the movable groove is formed in the side wall of the upper locking part, one end of the locking rod is hinged to the movable rod, and the other end of the locking rod penetrates out of the movable groove to the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951850.2U CN218731516U (en) | 2022-11-07 | 2022-11-07 | Lithium battery pack for portable handheld working equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951850.2U CN218731516U (en) | 2022-11-07 | 2022-11-07 | Lithium battery pack for portable handheld working equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731516U true CN218731516U (en) | 2023-03-24 |
Family
ID=85609551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222951850.2U Active CN218731516U (en) | 2022-11-07 | 2022-11-07 | Lithium battery pack for portable handheld working equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731516U (en) |
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2022
- 2022-11-07 CN CN202222951850.2U patent/CN218731516U/en active Active
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