CN115632274B - Electric connection assembly of battery module - Google Patents
Electric connection assembly of battery module Download PDFInfo
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- CN115632274B CN115632274B CN202211409143.9A CN202211409143A CN115632274B CN 115632274 B CN115632274 B CN 115632274B CN 202211409143 A CN202211409143 A CN 202211409143A CN 115632274 B CN115632274 B CN 115632274B
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- assembly
- groove
- lithium battery
- seat
- fixedly connected
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an electric connection assembly of a battery module, which relates to the technical field of electric tools and comprises a machine head assembly, an electric connection assembly, a buckle assembly and a lithium battery assembly, wherein the machine head assembly, the electric connection assembly, the buckle assembly and the lithium battery assembly are used for connecting the electric connection assembly, one end of the machine head assembly is provided with the electric connection assembly, the buckle assembly is arranged on the outer side of the electric connection assembly, and the lithium battery assembly is arranged on the outer side of the buckle assembly. According to the lithium battery module, the machine head assembly is arranged, the power connection assembly is arranged on one side of the machine head assembly, the buckle assembly is arranged on one side of the power connection assembly, the lithium battery module is arranged on one side of the buckle assembly, the lithium battery module is connected with the buckle assembly through the clamping connection, the quick disassembly and replacement of the lithium battery module can be realized, the buckle assembly is fixedly connected with the power connection assembly through the bolts, the connection stability between the buckle assembly and the power connection assembly is ensured, and therefore the installation stability of the lithium battery module is ensured while the replacement of a lithium battery is facilitated.
Description
Technical Field
The present disclosure relates to power tools, and particularly to an electrical connection assembly for a battery module.
Background
The electric power tool is a tool that uses electric power to drive a source. With the development of lithium ion battery technology, portable lithium ion battery modules are widely used in electric tools such as chain saws, scissors, weeders, etc. of garden electric tools. The electric tool is generally powered by a lithium battery, and the fixed installation of the lithium battery is realized in a clamping manner by arranging a buckle of a lithium battery module on the electric tool. A general power tool is equipped with a plurality of battery modules to increase the service life of the power tool. The spare battery module is frequently required to be replaced in the use process, the frequent replacement of the battery module easily causes loosening of the buckle, and then the problem of loosening of the battery module occurs, so that the normal use of the electric tool is often influenced. How to realize the quick replacement of the lithium battery and ensure the stability of the installation of the lithium battery are particularly important.
Therefore, it is necessary to invent an electrical connection assembly of a battery module to solve the above problems.
Disclosure of Invention
The present invention is directed to an electrical connection assembly of a battery module, which solves the above-mentioned problems of the related art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the electric connection assembly of the battery module comprises a machine head assembly, an electric connection assembly, a buckle assembly and a lithium battery assembly, wherein the machine head assembly, the electric connection assembly, the buckle assembly and the lithium battery assembly are used for connecting the electric connection assembly, one end of the machine head assembly is provided with the electric connection assembly, the outer side of the electric connection assembly is provided with the buckle assembly, the outer side of the buckle assembly is provided with the lithium battery assembly, the machine head assembly comprises a machine head, and one end of the upper surface of the machine head is fixedly connected with a handle; the electric connection assembly comprises an electric connection seat which is fixedly connected with one end of the handle; the buckle component comprises a connecting seat, and the connecting seat is positioned at the outer side of the power receiving seat; the lithium battery assembly comprises a lithium battery body, and the lithium battery body is positioned on one side of the connecting seat.
Preferably, a spanner switch is embedded in the middle of the lower surface of the handle, a pressing switch is embedded at one end of the outer side wall of the handle, a driving motor is arranged in the machine head, an auxiliary handle is fixedly connected to one side of the machine head, the auxiliary handle is of a structure, and a protective baffle is fixedly connected to one end of the upper surface of the machine head.
Preferably, the middle part of the outer side surface of the electricity receiving seat is provided with a groove, the groove is of a square structure, two conductive sockets are inlaid at the bottom of the groove, the wrench switch, the press switch and the driving motor are all electrically connected with the conductive sockets, two sides of the electricity receiving seat are provided with extension grooves at one end, two mounting screw holes are formed in the bottom of the extension grooves, and the two mounting screw holes are symmetrically distributed.
Preferably, a slot is formed in one end of the upper surface of the connecting seat, two symmetrically distributed square sockets are fixedly connected to the middle of the bottom of the slot, positioning grooves are formed in two sides of the top end of each square socket, a limiting groove is formed in one end of the bottom of each positioning groove, a positioning inserting plate is connected in each positioning groove in an inserting mode, a limiting plate is fixedly connected to one bottom end of each positioning inserting plate, the limiting plate is located in each limiting groove, a top spring is fixedly connected to one side of each limiting plate, one end of each top spring is fixedly connected with the inner wall of each limiting groove, an inclined surface is arranged at the top end of a notch of each slot, a limiting groove is formed in the middle of each inclined surface, each limiting groove is in a pi-shaped structure, square grooves are formed in the top end of the front side of the connecting seat in a penetrating mode, one end of each square groove extends into each slot, round corners are formed in two ends of the bottom of each square groove, and a fixing frame is fixedly connected to the middle of the rear side of the connecting seat;
two conductive plugs which are symmetrically distributed are arranged at the bottom of the inner cavity of the fixed frame, the conductive plugs are embedded on the rear side surface of the connecting seat, in addition, the conductive plugs are electrically connected with the square socket, the both sides of fixed frame all are provided with the locating plate, all peg graft in the through-hole that locating plate lateral surface both ends were seted up and are connected with the mounting bolt.
Preferably, the fixing frame is connected with the groove in a plugging manner; the conductive plug is connected with the conductive socket in a plug-in manner, the positioning plate is matched with the extension groove, and one end of the mounting bolt is connected with the mounting screw hole in a plug-in manner.
Preferably, an insulating seat is fixedly connected to the middle part of one side of the lithium battery body, a clamping seat with an inclined top is fixedly connected to the middle part of the outer side surface of the insulating seat, two symmetrically distributed square inserting blocks are fixedly connected to the middle part of the lower surface of the clamping seat, two symmetrically distributed positioning slots are formed in the middle part of the outer side surface of the clamping seat, a plurality of clamping plates are symmetrically arranged on the inner walls of the two sides of the positioning slots, and the outer end surfaces of the clamping plates are of arc structures; the top end of the outer side surface of the clamping seat is provided with a limiting slot with a pi-shaped structure, the bottom of the limiting slot is provided with a communicating slot with an L-shaped structure, the top end of the inner side wall of the communicating slot is provided with a limiting through slot in a penetrating way, the limiting through slot extends to the outer side of the insulating seat, and the inside of the limiting slot is connected with a limiting plug block with a pi-shaped structure in a plug-in way;
the utility model discloses a connecting device for a cable, including spacing inserted block, connecting seat and insulating seat, the lateral surface bottom of spacing inserted block is provided with the arcwall face, the other end fixedly connected with of spacing inserted block is the connecting block of "L" shape structure, the connecting block is located the intercommunication inslot, the top fixedly connected with spacing lug of connecting block, spacing lug and spacing logical groove through connection, the lateral surface of spacing lug sets up to the slope structure, lower surface one end fixedly connected with strengthening rib of spacing lug, the one end and the outside middle part fixed connection of connecting block of strengthening rib, the one side middle part of connecting block and spacing inserted block is all through thrust spring and the inner wall swing joint of intercommunication groove, the spread groove has been seted up to the lateral wall bottom of insulating seat.
Preferably, the two poles of the lithium battery body are respectively electrically connected with two square plug blocks, the two square plug blocks are respectively electrically connected with two square sockets, the positioning plug board is in plug connection with the positioning plug slots, two sides of the positioning plug board are respectively attached to the two groups of clamping boards, the limiting plug slots correspond to the limiting grooves, one ends of the limiting plug blocks are in plug connection with the limiting grooves, and the connecting grooves are matched with the square grooves.
The invention has the technical effects and advantages that:
1. according to the lithium battery module, the machine head assembly is arranged, the power connection assembly is arranged on one side of the machine head assembly, the buckle assembly is arranged on one side of the power connection assembly, the lithium battery module is arranged on one side of the buckle assembly, and the lithium battery module is connected with the buckle assembly through the clamping connection, so that the rapid disassembly and replacement of the lithium battery module can be realized, the buckle assembly is fixedly connected with the power connection assembly through the bolts, the connection stability between the buckle assembly and the power connection assembly is ensured, and the installation stability of the lithium battery module is ensured while the replacement of a lithium battery is facilitated;
2. according to the invention, the buckle assembly is arranged and is used as a connecting assembly with the lithium battery module, when the device is damaged due to external collision, the buckle assembly can be directly replaced by removing the bolt, so that the lithium battery module is convenient to replace, the device is convenient to maintain, and the service life of the device is further ensured when the device is used for a long time;
3. according to the invention, the clamping seat is arranged between the clamping buckle assembly and the lithium battery module, the clamping seat is connected with the square groove on the clamping buckle assembly in a clamping way through the connecting groove on the outer side of the clamping seat, so that the installation strength of the lithium battery module is ensured while the installation of the lithium battery module is realized, and the limiting plug block is arranged between the clamping buckle assembly and the lithium battery module, so that the stability of the clamping connection between the connecting groove and the square groove is ensured, the installation stability of the lithium battery module is ensured, and the limit between the square groove and the connecting groove is relieved by adjusting the position of the limiting plug block, so that the lithium battery module is rapidly disassembled.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the positional relationship between a handpiece assembly and an electrical connection assembly according to the present invention.
Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of a buckle assembly according to the present invention.
Fig. 5 is a schematic side view of the buckle assembly of the present invention.
Fig. 6 is a schematic cross-sectional view of a buckle assembly according to the present invention.
Fig. 7 is a schematic cross-sectional view of a positioning slot according to the present invention.
Fig. 8 is a schematic view of a positioning board according to the present invention.
Fig. 9 is a schematic view of a lithium battery module structure according to the present invention.
Fig. 10 is a side view of a lithium battery module structure of the present invention.
Fig. 11 is a bottom view schematically showing the structure of a lithium battery module according to the present invention.
Fig. 12 is a schematic sectional view showing the structure of a lithium battery module according to the present invention.
Fig. 13 is a schematic cross-sectional view of a communication groove structure of the present invention.
Fig. 14 is a schematic structural view of a limiting plug according to the present invention.
Fig. 15 is a schematic cross-sectional view of a node assembly, a buckle assembly and a lithium battery module according to the present invention.
In the figure: 1. a handpiece assembly; 2. a power receiving assembly; 3. a clasp assembly; 4. a lithium battery module; 101. a machine head; 102. a grip; 103. a spanner switch; 104. pressing the switch; 105. a driving motor; 106. an auxiliary handle; 107. a guide link plate; 108. a protective baffle; 201. a power receiving seat; 202. a groove; 203. a conductive socket; 204. an extension groove; 205. installing a screw hole; 301. a connecting seat; 302. a slot; 303. a square groove; 304. a fixed frame; 305. a conductive insert; 306. a positioning plate; 307. installing a bolt; 308. square socket; 309. an inclined surface; 310. a limit groove; 311. a positioning groove; 312. positioning the plugboard; 313. a limit groove; 314. a limiting plate; 315. a top spring; 401. a lithium battery body; 402. an insulating base; 403. a clamping seat; 404. square inserting block; 405. positioning the slot; 406. a clamping plate; 407. a limit slot; 408. a communication groove; 409. limiting through grooves; 410. limiting plug blocks; 411. an arc surface; 412. a connecting block; 413. a limit bump; 414. reinforcing ribs; 415. a thrust spring; 416. and a connecting groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an electric connection assembly of a battery module, which is shown in fig. 1 to 15, and is used for a chain saw in an landscaping electric tool, wherein the electric connection assembly comprises a machine head assembly 1, an electric connection assembly 2, a buckle assembly 3 and a lithium battery assembly 4, wherein the machine head assembly 1 is used for connecting the electric connection assembly, one end of the machine head assembly 1 is provided with the electric connection assembly 2, the outer side of the electric connection assembly 2 is provided with the buckle assembly 3, and the outer side of the buckle assembly 3 is provided with the lithium battery assembly 4.
The machine head assembly 1 comprises a machine head 101, one end of the upper surface of the machine head 101 is fixedly connected with a handle 102, the middle part of the lower surface of the handle 102 is embedded with a wrench switch 103, one end of the outer side wall of the handle 102 is embedded with a press switch 104, a driving motor 105 is arranged in the machine head 101, the wrench switch 103 and the press switch 104 are triggered simultaneously, the driving motor 105 rotates at the moment, the driving motor 105 can drive a chain on the outer side of a guide chain plate 107 to move, the cutting function of the device can be realized, and the wrench switch 103 and the press switch 104 are connected in series, so that when the wrench switch 103 and the press switch 104 are triggered simultaneously, the device can work normally, and the user is prevented from being injured by touching the device by mistake;
specifically, one side of the machine head 101 is fixedly connected with a pair of handles 106, the pair of handles 106 is in a structure, the pair of handles 106 is arranged to facilitate a user to operate the device, one end of the machine head 101 far away from the grip 102 is fixedly connected with a chain guide plate 107 through a bolt, and one end of the upper surface of the machine head 101 close to the chain guide plate 107 is fixedly connected with a protective baffle 108;
the power connection assembly 2 comprises a power connection seat 201, wherein the power connection seat 201 is fixedly connected with one end of the grip 102, a groove 202 is formed in the middle of the outer side surface of the power connection seat 201, the groove 202 is of a square structure, two conductive sockets 203 are embedded in the bottom of the groove 202, a spanner switch 103, a press switch 104 and a driving motor 105 are all electrically connected with the conductive sockets 203, extension grooves 204 are formed in one end of two sides of the power connection seat 201, two mounting screw holes 205 are formed in the bottom of the extension grooves 204, and the two mounting screw holes 205 are symmetrically distributed;
the buckle assembly 3 comprises a connecting seat 301, the connecting seat 301 is positioned at the outer side of the power receiving seat 201, a slot 302 is formed in one end of the upper surface of the connecting seat 301, a square groove 303 is formed in the top end of the front side surface of the connecting seat 301 in a penetrating mode, one end of the square groove 303 extends into the slot 302, round corners are formed at two ends of the bottom of the square groove 303, a fixing frame 304 is fixedly connected to the middle of the rear side surface of the connecting seat 301, the fixing frame 304 is connected with the groove 202 in a plugging mode, and the fixing frame 304 is matched with the groove 202, so that the connection strength between the connecting seat 301 and the power receiving seat 201 is improved; specifically, two symmetrically distributed conductive plugs 305 are embedded at the bottom end of the rear side surface of the connection seat 301, the conductive plugs 305 are in plug connection with the conductive sockets 203, after the lithium battery module 4 is installed, electrodes of a lithium battery in the lithium battery module 4 are electrically connected with the driving motor 105 through square plugs 404, square sockets 308, the conductive plugs 305 and the conductive sockets 203 in sequence, and at the moment, the lithium battery module 4 can supply power to the device;
more specifically, the two ends of the rear side surface of the connecting seat 301 are fixedly connected with positioning plates 306, the two positioning plates 306 are symmetrically distributed, the positioning plates 306 are matched with the extending groove 204, two symmetrically distributed square sockets 308 are fixedly connected in the middle of the groove bottom of the slot 302, the two square sockets 308 are respectively and electrically connected with the two conductive plugs 305, the top end of the slot 302 is provided with an inclined surface 309 and the inclined surface 309 is matched with the mounting screw hole 205, so that the position between the positioning plates 306 and the extending groove 204 is fixed, the connection and fixation between the buckle assembly 3 and the electric connection assembly 2 can be realized, when the buckle assembly 3 is worn due to excessive plugging times of the lithium battery assembly 4, the limit of the buckle assembly 3 can be released by removing the mounting bolts 307, the buckle assembly 3 can be replaced, the middle of the groove bottom of the slot 302 is fixedly connected with the two symmetrically distributed square sockets 308, the two square sockets 308 are respectively and electrically connected with the two conductive plugs 305, and the inclined surface 309 is arranged at the top end of the slot opening of the slot 302, and the inclined surface 309 is convenient for the buckle 403 to be inserted into the buckle slot 302;
in addition, a limit groove 310 is formed in the middle of the inclined surface 309, the limit groove 310 is of a pi-shaped structure, two symmetrically distributed locating grooves 311 are formed in the middle of the groove bottom of the slot 302, a locating plugboard 312 is connected in a plug-in mode in the locating groove 311, a limit groove 313 is formed in one end of the groove bottom of the locating plugboard 311, a limit plate 314 is fixedly connected to one bottom end of the locating plugboard 312, the limit plate 314 is located in the limit groove 313, a top spring 315 is fixedly connected to one side of the limit plate 314, one end of the top spring 315 is fixedly connected with the inner wall of the limit groove 313, the top spring 315 acts on the limit plate 314, the limit plate 314 is subjected to outward acting force, and therefore the locating plugboard 312 can be inserted into the locating slot 405, meanwhile, the top spring 315 can be compressed, when a lithium battery assembly 4 is not inserted from above a buckle assembly 3, the locating plugboard 312 can be pressed into the limit groove 313, connection between the lithium battery assembly 4 and the buckle assembly 3 cannot be completed, and unstable connection between the lithium battery assembly 4 and the buckle assembly 3 is avoided;
the lithium battery assembly 4 comprises a lithium battery body 401, wherein the lithium battery body 401 is positioned on one side of the connecting seat 301, an insulating seat 402 is fixedly connected to the middle part of one side of the lithium battery body 401, a clamping seat 403 is fixedly connected to the middle part of the outer side surface of the insulating seat 402, two square inserting blocks 404 which are symmetrically distributed are fixedly connected to the middle part of the lower surface of the clamping seat 403, two poles of the lithium battery body 401 are respectively electrically connected with the two square inserting blocks 404, and the two square inserting blocks 404 are respectively electrically connected with the two square sockets 308;
specifically, two symmetrically distributed positioning slots 405 are formed in the middle of the outer side surface of the card seat 403, a plurality of clamping plates 406 are fixedly connected to the inner walls of two sides of the positioning slots 405, the clamping plates 406 are of arc structures, the two groups of clamping plates 406 are symmetrically distributed, the positioning plugboard 312 is in plug-in connection with the positioning slots 405, two sides of the positioning plugboard 312 are respectively attached to the two groups of clamping plates 406, the positioning plugboard 312 is matched with the positioning slots 405, so that the connection strength between the card seat 403 and the connecting seat 301 is further improved, and the clamping plates 406 enable the connection strength between the positioning plugboard 312 and the positioning slots 405 to be improved, so that the connection strength between the lithium battery assembly 4 and the buckle assembly 3 is improved;
more specifically, the top end of the card seat 403 is set to be an inclined structure, the top end of the outer side surface of the card seat 403 is provided with a limit slot 407, the limit slot 407 is set to be a pi-shaped structure, the limit slot 407 corresponds to the limit slot 310, the bottom of the limit slot 407 is provided with a communication slot 408, the communication slot 408 is set to be an L-shaped structure, the top end of the inner side wall of the communication slot 408 is provided with a limit through slot 409 in a penetrating way, the limit through slot 409 extends to the outer side of the insulating seat 402, the inside of the limit slot 407 is connected with a limit plug 410 in a plug-in manner, the limit plug 410 is set to be a pi-shaped structure, one end of the limit plug 410 is connected with the limit slot 310 in a plug-in manner, the pi-shaped structure of the limit plug 410 enables the contact area between the limit plug 410 and the limit slot 310 to be improved, and the connection strength between the lithium battery component 4 and the buckle component 3 to be improved;
in addition, the bottom end of the outer side surface of the limiting plug block 410 is provided with an arc-shaped surface 411, the other end of the limiting plug block 410 is fixedly connected with a connecting block 412, the connecting block 412 is of an L-shaped structure, the connecting block 412 is positioned in the communicating groove 408, the top end of the connecting block 412 is fixedly connected with a limiting projection 413, the limiting projection 413 is in penetrating connection with the limiting through groove 409, the limiting projection 413 is convenient for a user to press, the user can adjust the position of the limiting plug block 410 by pressing the limiting projection 413, and therefore quick release of limiting between the lithium battery component 4 and the buckle component 3 can be achieved;
moreover, the outer side surface of the limiting lug 413 is set to be an inclined structure, when the limiting lug 413 is pressed, the limiting lug 413 horizontally slides under the action of the inclined structure, and the limiting lug 413 drives the limiting plug 410 to horizontally slide, so that the limiting plug 410 is separated from the limiting groove 310, and the limit between the clamping seat 403 and the slot 302 is released, so that the lithium battery module 4 is quickly disassembled;
meanwhile, one end of the lower surface of the limiting projection 413 is fixedly connected with a reinforcing rib 414, one end of the reinforcing rib 414 is fixedly connected with the middle part of the outer side of the connecting block 412, the middle part of one side of the connecting block 412 and the middle part of one side of the limiting insert 410 are movably connected with the inner wall of the communication groove 408 through a thrust spring 415, the thrust spring 415 enables the limiting insert 410 to be subjected to outward acting force, so that the limiting insert 410 can be kept in plug connection with the limiting groove 310, further the lithium battery assembly 4 can be kept in connection with the buckle assembly 3, the bottom end of the outer side wall of the insulating seat 402 is provided with a connecting groove 416, the connecting groove 416 is matched with the square groove 303, the square groove 303 and the inner wall of the connecting groove 416 are mutually extruded, the clamping seat 403 cannot horizontally slide and move downwards, and the position between the clamping seat 403 and the slot 302 can be fixed, and the position between the lithium battery module 4 and the buckle assembly 3 can be fixed.
When the device is used, the buckle assembly 3 is fixed on the power-on assembly 2 and the machine head assembly 1 through bolts, the lithium battery module 4 can be installed on the buckle assembly 3 in a clamping manner, at the moment, the electrode of the lithium battery in the lithium battery module 4 is electrically connected with the driving motor 105 in the machine head assembly 1, and at the moment, the lithium battery module 4 can supply power for the device;
when the device is used, the spanner switch 103 and the press switch 104 are triggered simultaneously, at the moment, the driving motor 105 rotates, the driving motor 105 can drive the chain on the outer side of the guide chain plate 107 to move, so that the cutting function of the device can be realized, and the spanner switch 103 and the press switch 104 are connected in series, so that when the spanner switch 103 and the press switch 104 are triggered simultaneously, the device can work normally, and the user is prevented from being injured by mistakenly touching the device;
when the lithium battery module 4 is mounted on the buckle assembly 3, firstly, the clamping seat 403 is placed above the slot 302, so that the connecting groove 416 corresponds to the square groove 303, the lithium battery module 4 is pressed downwards at the moment, the connecting groove 416 is inserted into the square groove 303, in the process, the arc surface 411 on the outer side of the limiting plug 410 is extruded by the top end of the slot 302, the limiting plug 410 is inserted into the limiting slot 407 until the clamping seat 403 is completely inserted into the slot 302, at the moment, the limiting plug 410 moves to the notch of the limiting groove 310, at the moment, the limiting plug 410 moves outwards under the action of the thrust spring 415, the limiting plug 410 is inserted into the limiting groove 310, the limiting plug 410 is matched with the limiting groove 310, so that the clamping seat 403 cannot move upwards, and therefore the clamping seat 403 is limited in the slot 302, at the moment, the inner walls of the square groove 303 and the connecting groove 416 are mutually extruded, the clamping seat 403 cannot slide horizontally and move downwards, and therefore the position between the clamping seat 403 and the slot 302 is fixed, and the position between the lithium battery module 4 and the buckle assembly 3 can be further realized; when the buckle assembly 3 needs to be replaced, the mounting bolt 307 on the outer side of the positioning plate 306 is removed, the mounting bolt 307 is separated from the mounting screw hole 205, at this time, the limit between the positioning plate 306 and the extension groove 204 is released, at this time, the limit between the connecting seat 301 and the power connection seat 201 is released, the connecting seat 301 is pulled outwards, so that the connecting seat 301 drives the fixed frame 304 to move until the fixed frame 304 is separated from the groove 202, and the disassembly of the buckle assembly 3 can be realized. It should be emphasized that, in consideration of miniaturization and easy assembly and disassembly of the device, the end face of the lithium battery module 4 is clamped between the buckle assembly 3 and the power connection assembly 2, and due to the self weight of the lithium battery module 4, the structure of clamping only through one end face provides higher requirements on the connection strength of the buckle assembly 3, so that the inventor of the scheme has ensured the connection strength and stability, and designed a unique clamping structure, which is an important improvement point of the scheme.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The electric connection assembly of the battery module is characterized by comprising a machine head assembly, an electric connection assembly, a buckle assembly and a lithium battery assembly, wherein the machine head assembly, the electric connection assembly, the buckle assembly and the lithium battery assembly are used for connecting the electric connection assembly, one end of the machine head assembly is provided with the electric connection assembly, the outer side of the electric connection assembly is provided with the buckle assembly, the outer side of the buckle assembly is provided with the lithium battery assembly, the machine head assembly comprises a machine head, and one end of the upper surface of the machine head is fixedly connected with a handle; the electric connection assembly comprises an electric connection seat which is fixedly connected with one end of the handle; the buckle component comprises a connecting seat, and the connecting seat is positioned at the outer side of the power receiving seat; the lithium battery component comprises a lithium battery body, wherein the lithium battery body is positioned at one side of the connecting seat;
the upper surface one end of connecting seat has seted up the slot, the tank bottom middle part fixedly connected with two symmetric distribution's square socket of slot, square socket top both sides all are provided with the constant head tank, limit groove has been seted up to the tank bottom one end of constant head tank, in addition the constant head tank interpolation connection has the locating plugboard, one side bottom fixedly connected with limiting plate of locating plugboard, the limiting plate is located limit groove, one side fixedly connected with top spring of limiting plate, the one end and the inner wall fixed connection of limit groove of top spring, the notch department top of slot is provided with the inclined plane, the spacing groove has been seted up at the middle part of inclined plane, the spacing groove sets up to "pi" shape structure, square groove has been seted up in the leading flank top of connecting seat runs through, the one end of square groove extends to in the slot, the tank bottom both ends of square groove all are provided with the fillet, the trailing flank middle part fixedly connected with fixed frame of connecting seat;
the utility model discloses a fixed frame, including fixed frame, square socket, locating plate, mounting bolt, locating plate, connecting seat, locating plate, mounting bolt, the inner chamber bottom of fixed frame is provided with two symmetrical distribution's electrically conductive inserts, and electrically conductive inserts inlay in the trailing flank of connecting seat, electrically conductive inserts is connected with square socket electricity, both sides of fixed frame all are provided with the locating plate, all peg graft in the through-hole that locating plate lateral surface both ends were seted up and are connected with the mounting bolt.
2. The electrical connection assembly of a battery module of claim 1, wherein: the middle part of the lower surface of the handle is inlaid with a spanner switch, one end of the outer side wall of the handle is inlaid with a pressing switch, a driving motor is arranged in the machine head, one side of the machine head is fixedly connected with an auxiliary handle, the auxiliary handle is arranged into a -shaped structure, and one end of the upper surface of the machine head is fixedly connected with a protective baffle.
3. The electrical connection assembly of a battery module of claim 2, wherein: the electric socket is characterized in that a groove is formed in the middle of the outer side face of the electric socket, the groove is of a square structure, two conductive sockets are inlaid at the bottom of the groove, a spanner switch, a pressing switch and a driving motor are all electrically connected with the conductive sockets, extension grooves are formed in two sides of one end of the electric socket, two mounting screw holes are formed in the bottom of each extension groove, and the two mounting screw holes are symmetrically distributed.
4. The electrical connection assembly of a battery module of claim 3, wherein: the fixed frame is connected with the groove of the power receiving seat in a plugging manner; the conductive plug is connected with the conductive socket in a plug-in manner, the positioning plate is matched with the extension groove, and one end of the mounting bolt is connected with the mounting screw hole in a plug-in manner.
5. The electrical connection assembly of a battery module of claim 4, wherein: the lithium battery comprises a lithium battery body, wherein an insulating seat is fixedly connected to the middle part of one side of the lithium battery body, a clamping seat with an inclined top is fixedly connected to the middle part of the outer side surface of the insulating seat, two square inserting blocks which are symmetrically distributed are fixedly connected to the middle part of the lower surface of the clamping seat, two symmetrically distributed positioning slots are formed in the middle part of the outer side surface of the clamping seat, a plurality of clamping plates are symmetrically arranged on the inner walls of two sides of the positioning slots, and the outer end surfaces of the clamping plates are of arc structures; the top end of the outer side surface of the clamping seat is provided with a limiting slot with a pi-shaped structure, the bottom of the limiting slot is provided with a communicating slot with an L-shaped structure, the top end of the inner side wall of the communicating slot is provided with a limiting through slot in a penetrating way, the limiting through slot extends to the outer side of the insulating seat, and the inside of the limiting slot is connected with a limiting plug block with a pi-shaped structure in a plug-in way;
the utility model discloses a connecting device for a cable, including spacing inserted block, connecting seat and insulating seat, the lateral surface bottom of spacing inserted block is provided with the arcwall face, the other end fixedly connected with of spacing inserted block is the connecting block of "L" shape structure, the connecting block is located the intercommunication inslot, the top fixedly connected with spacing lug of connecting block, spacing lug and spacing logical groove through connection, the lateral surface of spacing lug sets up to the slope structure, lower surface one end fixedly connected with strengthening rib of spacing lug, the one end and the outside middle part fixed connection of connecting block of strengthening rib, the one side middle part of connecting block and spacing inserted block is all through thrust spring and the inner wall swing joint of intercommunication groove, the spread groove has been seted up to the lateral wall bottom of insulating seat.
6. The electrical connection assembly of a battery module of claim 5, wherein: the lithium battery comprises a lithium battery body, wherein two poles of the lithium battery body are respectively and electrically connected with two square plug blocks, two square plug blocks are respectively and electrically connected with two square sockets, a positioning plug board is in plug connection with a positioning slot, two sides of the positioning plug board are respectively attached to two groups of clamping boards, a limiting slot corresponds to a limiting groove, one end of the limiting plug block is in plug connection with the limiting groove, and the connecting groove is matched with the square groove.
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| CN202211409143.9A CN115632274B (en) | 2022-11-11 | 2022-11-11 | Electric connection assembly of battery module |
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| CN202211409143.9A CN115632274B (en) | 2022-11-11 | 2022-11-11 | Electric connection assembly of battery module |
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| CN115632274A (en) | 2023-01-20 |
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