CN201130698Y

CN201130698Y - Charger for wireless power tool system

Info

Publication number: CN201130698Y
Application number: CNU2008200060110U
Authority: CN
Inventors: 亚当·M·卡塞莱纳; 丹尼尔·J·怀特; 史蒂文·J·菲利普斯; 布伦特·A·库恩; 马克·M·戴塔; 阿尔文德·佩特尔
Original assignee: Black and Decker Inc
Current assignee: Black and Decker Inc
Priority date: 2005-10-31
Filing date: 2006-10-31
Publication date: 2008-10-08
Anticipated expiration: 2016-10-31
Also published as: CN201107812Y; CN201181720Y; CN201191625Y; CN201285772Y

Abstract

The utility model provides a battery component and a charger as well as a wiring row used for the component and the charger and a wireless electric tool. The component comprises a battery unit which is arranged between end caps and inside a lower casing of the component and an encapsulation ship-shaped component, the encapsulation ship-shaped component contains a component battery unit which is connected with a battery arranged between the end caps and is arranged inside an upper casing. The component wiring row is connected with the encapsulation ship-shaped component inside the upper casing. Both the charger and the electric tool are provided with a wiring row which is used for supplying electric connection between the charger/tool and the battery component. The wiring row formation is lateral floatation, which provides displacement movement inside the outer casing of the charger or the tool casing, used for aligning with the battery component wiring row.

Description

The charger that is used for wireless power tool system

The application is to be that October 31, application number in 2006 are dividing an application of 200620167113.1 utility application the applying date.

Technical field

Exemplary relate generally to be used for wireless power tool system battery component and charger, relate to the line bank that is used for battery component and relate to the line bank that is used for wireless power tool and the battery charger that docks with the battery component line bank.

Background technology

Use the wireless product of rechargeable battery all very general in all working place and house.From the household wares to the power tool, rechargeable battery is used for many devices.General, in these devices, use nickel-cadmium (NiCd), nickel metal-hydrogen (NiMH) and/or lithium-ion (Li-ion) battery unit.Because these devices use many battery units, so battery unit is assembled into battery component usually.These battery components can combine with wireless device and be fastened on the device.Battery component can from wireless device remove and battery charger the charging or in wireless device self, charge.

A shortcoming that combines with wireless device is exactly the frequent charge that is caused battery component by the Power Limitation of battery component.The charging of battery need make battery component disconnect liftedly with wireless device to be connected.As a result, the connection between battery component and the wireless device can die down (make be electrically connected variation) and/or destroy and connect.

Line bank can be arranged on battery component and the wireless device, is used to make battery component and wireless device to interconnect releasedly and be electrically connected.Line bank can comprise any horizontal and vertical connection of moving that prevents relative to each line bank.

And, by the co-operation guide rail engagement of guide rail on the battery component and wireless device carrying, can be with the axle centering of battery component along wireless device.By the engagement of instrument line bank and battery component line bank, battery component is centered more accurately then.

Yet because the frequent interconnection between line bank, the contact pin on the line bank (blades) can variation or destroyed.This can cause misalignment between the contact pin of line bank of two connections.This misalignment can cause adverse influence to mechanical connection and the electrical connection between two line banks.

The utility model content

The utility model is desirable to provide a kind of device, and it is used for fixing the circuit in the battery component, thereby makes them be protected, and prevents to be subjected to the influence of heat, vibrations and impact.The solution of this problem is to realize by the electrical component sub-element being placed on be full of to have in the encapsulation of the potting compound ship shape parts.The utility model has solved connection between battery component and the wireless device and can die down (make and be electrically connected variation) and/or destroy the defective that connects, and reduces and has eliminated misalignment between the contact pin of line bank of two connections.

Exemplary relates to a kind of battery component, and it has the package shell that partly is made of upper case part and lower case and at a plurality of battery units of lower case partial interior between a pair of end cap.This assembly comprises the encapsulation ship shape parts (potting boat) that are positioned at the upper case partial interior.Encapsulation ship shape parts hold with end cap between the electrical component sub-element that is electrically connected of battery unit.Battery component comprises the line bank that is connected and is positioned at upper case inside with encapsulation ship shape parts, is used for the line bank engagement with wireless tool that is connected or charger.

Another exemplary relates to and has the charger that partly is made of upper case part and lower case.Charger is included in the open type notch board chamber that formation is passed through on upper case and the lower case position (open deck cavity), is used to receive battery component.Charger comprises the guide rail that is positioned at a pair of perpendicular separation on the side, open type notch board chamber, be used for battery component on engagement.Charger comprises the line bank that is positioned at inside, open type notch board chamber, is used to provide the electrical connection between charger and the battery component.Line bank constitutes side direction and floats, thereby portion provides the displacement of line bank to move in the enclosure, is used for battery component is aligned in the inside of charger.

Another exemplary relates to Wireless Power Tools.Wireless Power Tools comprise the shell that is made of half clam shell and the 2nd half clam shell, and wherein half clam shell and the 2nd half clam shell combine on the shell longitudinal centre line to minute two halves clam shell.Wireless Power Tools comprise that being positioned at tool outer casing bottom goes up pair of spaced apart rails along the relative side edge, is used to mesh the groove of battery component.Line bank is positioned at the bottom of shell, is used to provide the electric connection between Wireless Power Tools and the battery component.Line bank constitutes side direction and floats, thereby portion provides the displacement of line bank to move in the enclosure, is used for battery component is aimed at electric tool.

Another exemplary relates to the line bank that is used in a kind of electronic equipment with the engagement of battery component line bank.This equipment line bank comprises main body, between single power terminal and a pair of power terminal and the logic terminal protector that is positioned at the logic terminal of main center and is positioned at logic terminal bottom.On one in the surface of main body downside above the logic terminal and the logic terminal protector below the logic terminal a plurality of fins are set.

Another exemplary relates to the system with battery component and battery charger.Battery component comprises package shell and the battery wire row who is arranged on wherein.Battery logic region and a plurality of negative electricity power terminal are drawn together in the battery wire package.Package shell comprises a pair of groove, and each groove forms along the opposite side of package shell.

Charger comprises charger case, and this charger case has a pair of longitudinally-spaced guide rail, is used for the respective slot of receiving unit shell slidably.Charger case comprises the charger line bank of the atrium that is arranged in charger case, is used for the battery wire row of receiving unit.The charger line bank comprises the logic terminal, and this logic terminal constitutes in the battery logic region and closely cooperates, and comprises a plurality of positive terminals, is used for meshing battery wire row's cloudy terminal.The charger line bank is movable in atrium, so it can be from a sidesway to another example, makes that relative charger line bank is aimed at battery wire before connecting corresponding terminal plate and logic terminal to arrange.

Another exemplary relates to a kind of system with battery component and Wireless Power Tools.Battery component comprises package shell and the battery wire row who is arranged on wherein, and battery logic region and a plurality of negative thread terminal are drawn together in the battery wire package.Package shell comprises a pair of groove, and each groove forms along the opposite side of package shell.

Electric tool comprises tool outer casing, and this tool outer casing has a pair of isolated guide rail in the respective slot that is arranged on the tool outer casing bottom sides edge and is slidably received within package shell.Tool outer casing comprises and is used for arranging close-fitting instrument line bank with battery wire.The instrument line bank comprises a plurality of positive terminals that constitute in the battery logic region close-fitting logic terminal and be used for meshing battery wire row's cloudy terminal.The instrument line bank is displaceable in tool outer casing, so it can be from a sidesway to opposite side, makes that relative instrument line bank is aimed at battery wire before connecting corresponding terminal plate and logic terminal to arrange.

Description of drawings

By with reference to the accompanying drawings exemplary of the present utility model being described in detail, it is more clear that exemplary of the present utility model will become, wherein identical step represents that with same reference numerals it only provides for explanation, therefore is not restriction the utility model.

Fig. 1 is the battery component schematic diagram according to the utility model exemplary.

Fig. 2 is the upper case schematic diagram according to the battery component of the utility model exemplary.

Fig. 3 is the battery component schematic diagram that does not have upper case according to the utility model exemplary.

Fig. 4 is the battery unit configuration schematic diagram according to the utility model exemplary.

Fig. 5 is the battery component line bank schematic diagram according to the utility model exemplary.

Fig. 6 is the line bank schematic diagram according to the utility model exemplary.

Fig. 7 is the charger schematic diagram with line bank according to the utility model exemplary.

Fig. 8 is the bottom plan view according to the electric tool with line bank of the utility model exemplary.

Fig. 9 is the instrument line bank schematic diagram according to the utility model exemplary.

Figure 10 is the line bank vertical view according to the utility model exemplary.

Figure 11 is the interconnective line bank schematic diagram according to the utility model exemplary.

Embodiment

Should be noted in the discussion above that these figure are the general featuress that the method and apparatus of the utility model exemplary will be described for describing the wherein purpose of these exemplary.Yet these figure are not the features that will weigh and can not accurately reflect any embodiment that provides, and should not be interpreted as in scope of the present utility model the number range of exemplary or defining or limiting of character.For clear, can dwindle or the relative size and the size of magnify tool, battery component and battery charger.Identical Reference numeral is used for representing the identical and corresponding part of each figure.

When using herein, electric tool can be understood as the Wireless Power Tools that use lightweight, portable formula power supply, and this lightweight, portable formula power supply for example is lithium-ion (Li-ion) battery that the power that is complementary with its purposes can be provided.Exemplary electric tool can be including, but not limited to awl, high torque (HT) drift, singlehanded metal machining tool, nailer, hand planer, annular saw, scroll saw, speed change resinder, reciprocating-type saw, need awl that both hands take as rotation and destroy the rock drill, router, cutting tools, board-like planer, drilling machine, bench saw (table saws), planer, mitre saw, metal machining tool, chop saw, cutting machine, bench grinding machine etc. of thickness.The model of the use electric wire that some in these instruments only can buy at present from the market, but can become wireless.These classification are not to comprise all electric tools that can be applied in the utility model exemplary, and only are explanations.

Those skilled in the art is to be understood that battery component described herein comprises a plurality of battery units that are arranged in the battery component shell.For example according to chemical composition, electrode and the electrolyte of the single battery unit of battery component, battery component can be embodied as at least a in lithium ion (Li-ion), NI-G (NiCd), nickel metallic hydrogen (NiMH) and the lead-acid battery assembly.Battery unit can be connected and/or be in parallel.

Continue with reference to the accompanying drawings, exemplary relates to butt joint between Wireless Power Tools 30 and the battery component 10 and the butt joint between battery charger 50 and the battery component 10.In the remainder of this detailed description, be to be understood that butt joint described herein can be used for other various essentially identical instruments.

Fig. 1 is the battery component schematic diagram according to exemplary.Battery component 10 comprises shell 100.The shell 100 that illustrates is included in the upper case 110 and the lower case 120 of the separator bar 125 places combination of longitudinal extension.Replacedly, be to be understood that shell 100 can be included in two double parts of the separator bar place combination of horizontal expansion, perhaps comprises other various structures of two or more housing parts.In exemplary, the entire length of battery component shell 100 is approximately 11cm, and integral width is approximately 7.75cm and whole height is approximately 3cm.

Upper case part 110 and lower case part 120 are by rigid plastics or the whole formation of other suitable materials.Upper case part 110 and lower case part 120 combine by forming threaded securing member 132.Form threaded securing member 132 pass crew-served hole 144 and/or pass upper case part 110 and lower case part 120 each side on integrally formed hole 144 and thread protrusion part 146.During assembling, securing member 132 is screwed in the thread protrusion part 146 of shell 110,120.Yet, be to be understood that shell 110,120 can link together by manner known in the art.In addition, lower case 120 is provided with the peripheral groove 152 (being shown among Fig. 3) of partly extending around the top edge of lower case 120, is used for being received in the corresponding coupling fin 193 (being shown in Fig. 2) that periphery extends around the latter half of upper case 110.

Upper case 110 comprises that lock pin 155 extends through slit opening 161 wherein.Lock pin 155 is to be used for relieving mechanism that battery component 10 is discharged from electric tool 30.The operator can discharge battery component 10 by pushing lock pin release-push 150 from electric tool 30.Preferably, lock pin release-push 150 is arranged on the zone, the back side of assembly 10.By pushing lock pin release-push 150, lock pin 155 is pulled to the position of " release " from the position of " locking ".On the position of " release ", lock pin 155 no longer stops the concave regions (not shown) in the instrument 30.As a result, by pushing the lock pin release-push 150 that is arranged on the zone, assembly 10 back side, can easily battery component 10 be shifted out from the battery receiving unit of electric tool 30.

Upper case 110 comprises a plurality of openings 164, is used for receiving forming threaded securing member (not shown) so that it is connected in encapsulation ship shape parts 190 (being shown in Fig. 3), after this encapsulation ship shape parts 190 is described in detail.

Fig. 2 is upper case 110 schematic diagrames according to the battery component of exemplary.With reference to figure 2, upper case 110 comprises upper part 175 and the lower part 176 with Wireless Power Tools 30 or charger 50 sliding engaged.Battery component line bank 200 is arranged in the upper part 175, below it is further described.The shape of upper case 110 is configured to comprise upper part 175, in insertion and taking-up process, between battery component 10 and Wireless Power Tools 30, provides effective alignment system like this.In other words, the upper part 175 of upper case 110 is used for roughly battery component 10 being aimed at tool outer casing or charger case, and the laminated member that will allow reduces to only two parts.These are different with the conventional wireless butt joint that a large amount of laminated members (for example battery case and a large amount of rail system) are provided.

Upper case 110 comprises and is formed on the groove 180 on each side below the guide rail 179, the guide rail (not shown) of be used to slidably mate Wireless Power Tools 30 or charger 50.Groove 180 can be aligned in the guide rail on instrument (or charger) the shell (not shown), makes instrument line bank 300 directly contact with battery wire row 200.Because two line banks 200,300 directly enter for the purpose of aiming at, aim at needed quantity of allowing laminated member so can reduce.

Battery component 10 inserts and releasable being connected on the Wireless Power Tools 30 for convenience, and the upper part 175 of upper case 110 comprises pair of guide rails 179, and each guide rail 179 is formed on the side of upper case 110.Guide rail 179 is received in the crew-served groove that is limited by the fin 612,614 (the best is shown among Fig. 8) in the shell 600 that is formed on Wireless Power Tools 30 slidably.In particular, the substructure of tool outer casing 600 and be arranged in battery receiving unit 202 to receive and firm battery component 10.

Guide rail 179 has instead " L shaped " usually and constructs and constitute from the upwardly extending vertical part 181 of the horizontal surface of upper case 110, and from vertical part 181 horizontal expansions and be substantially perpendicular to the vibrating part 182 of vertical part 181, as shown in Figure 2.Laterally spaced guide rail 179 is mirror image each other, thereby slidably mates and co-operation with first and second guide groove 612,614 of Wireless Power Tools 30 respectively.The vibrating part 182 of each guide rail 179 comprises the guide margin 183 of cutting sth. askew or have the inclined-plane.Guide margin 183 that cut sth. askew or that have an inclined-plane makes and can more easily aim between guide rail 179 and guide groove 612,614 and interconnection.Being positioned in each side upper shed 188 under the guide margin with inclined-plane 183 of vibrating part 182, is to be positioned in the upper case 110 in order to ensure battery wire row 200.Battery wire row 200 end stretches out or the outstanding opening 188 that passes slightly.

Thereby battery component line bank 200 is arranged in the upper part 175 of upper case 110.Battery component line bank 200 generally includes main part 210 (being shown among Fig. 5), its line bank 300 coupling engagements main and Wireless Power Tools 30 or charger 50.

Upper part 175 comprises a plurality of contact pin shape terminal openings 191, is used for the corresponding terminal 512,514,516 (the best as shown in Figure 9) of receiving tool/charger line bank 300.The terminal 512,514,516 that contact pin shape terminal openings 191 is guaranteed instrument/charger line bank 300 is suitably aimed at therein, and prevents that the terminal 512,514,516 of any bending or damage from entering engagement battery component line bank 200.

Track 189 is positioned on the top front surface of lower part 120 and near blade terminal opening 191, helps to make things convenient for the insertion of the line bank 300 of Wireless Power Tools 30 or charger 50.In other words, track 189 can be roughly or two line banks 200,300 is aimed at.And in the engagement process of two line banks 200,300, when engagement battery component junction box 200, track 189 is used to the displacement of the instrument that prevents/charger line bank 300 and moves.In other words, track 189 allow the deviation slightly that the displacement of instrument/charger line bank 300 of being connected moves (± 2mm).

Fig. 3 does not expose the schematic diagram of the battery component 10 of battery component 10 inside for there being upper case 110.As shown in Figure 3, assembly 10 comprises the encapsulation ship shape parts 190 that are connected with line bank 200.Encapsulation ship shape parts 190 and line bank 200 can link together by tongue and groove connector 177.Be to be understood that and use other connectors.Connector 177 is with the interface between sealed package ship shape parts 190 and the line bank 200, thereby permission will be loaded in the electronic component of encapsulation ship shape parts 190 inside with the potting compound encapsulation.Potting compound also helps line bank 200 mechanically is limited on the position suitable in the battery component 10.And, the situation that is positioned at encapsulation ship shape parts 190 tops with line bank 200 is compared, by line bank 200 being connected on the encapsulation ship shape parts 190, line bank 200 serves as the 4th wall of encapsulation ship shape parts 190, thereby the encapsulating material that will collect encapsulating electronic components is contained in the ship shape parts 190.This result is more effective and make the structure of assembly 10 longer and narrower.

Encapsulation ship shape parts 190 comprise the opening 192 that is positioned on the top surface, are used to receive securing member 132 upper case 110 is fastened on encapsulation ship shape parts 190.Especially, be assemblied in the concave regions (not shown) of upper part 175 inside in the upper case 110 with line bank 200 on the encapsulation ship shape parts 190.Still with reference to Fig. 1 and 2, the opening 164 in the securing member 132 extend through upper parts 175 is in the edge and threaded openings 192 engagements of encapsulation ship shape parts 190.To encapsulate ship shape parts 190 and the battery component line bank 200 that is connected like this lifts in the above in the part 175.Encapsulation ship shape parts 190 are made in the upper part 175, thereby by potting compound is faced down towards lower case 120, encapsulating electronic components are limited in the encapsulation ship shape parts 190.

With reference to figure 4, and with reference to figure 3, encapsulation ship shape parts 190 are spaced apart with the end cap 196 that holds battery unit 195 therein.By a plurality of projections that exceed 197 that form along the top side face of end cap 196, make to be provided with the gap between encapsulation ship shape parts 190 in the upper case 110 and the end cap 196 in the lower case 120.When shell 110,120 was clamped together, these projections 197 provided the appropriate aligning between the assembly in upper case 110 and the lower case 120.

End cap 196 is as supporting the main member that all inside battery parts comprise battery unit 195.Internal structure between battery component middle and upper part shell and the lower case is arranged in carried out detailed description in the following document: the name that people such as Phillips submitted on October 25th, 2006 is called the common pending trial u.s. patent application serial number No.11/552 of " battery pack and the internal part structure that are used for the battery component of wireless power tool system " (" BATTERY PACKAND INTERNAL COMPONENT ARRANGEMENT WITHIN THE BATTERYPACK FOR CORDLESS POWER TOOL SYSTEM "), 847, at this as a reference in conjunction with its whole contents.

Though not shown in Fig. 3 and 4, battery unit 195 is connected electrically in the encapsulation ship shape parts 190 by connector and the packaging electronic equipment that the wiring harness with encapsulation ship shape parts 190 is connected.Connector is connected with connector 198 in being integrated in each end cap 196.The power terminal lead-in wire (not shown) of drawing from battery unit 195 also is electrically connected with battery component line bank 200, just as is known.

Fig. 5 and 6 is the schematic diagram of battery component line bank 200.With reference to figure 5, battery component line bank 200 is arranged in the upper case 110, and is constructed and arranged to and is arranged on line bank 300 engagements of Wireless Power Tools 30 or charger 50 inside.Therefore, between battery component line bank 200 and instrument/charger line bank 300, provide electric connection.

Battery component line bank 200 comprises the battery logic region part 215 of the logic terminal that is suitable for receiving tool/charger line bank 300.Thereby in that being set on the inner surface of battery logic region part 215, a plurality of contacts 211 engage with a plurality of contact (not shown) on instrument/charger line bank 300.These a plurality of contacts 211 can be formed on the upper surface and/or lower surface of battery logic region part 215, as shown in Figure 6.

Battery component line bank 200 comprises that a plurality of tongues 212,214 and 216 are with conduction positive polarity and negative polarity electric charge.Tongue 212 meshes and is suitable for the positive contact pin shape terminal 512 of receiving tool/charger line bank 300, tongue 214 meshes and is suitable for the positive shape terminal 514 of receiving tool/charger line bank 300, and tongue 216 meshes and be suitable for the positive shape terminal 516 (being shown among Fig. 9) of receiving tool/charger line bank 300.Tongue 212,214 in addition, and therefore 216 can be understood as the female terminal of line bank 200.Tongue 212,214 and 216 can be made by conducting metal, for example phosphor bronze and/or beryllium copper, thereby conduction positive-negative polarity electric charge.Tongue 212,214 and 216 can also be guaranteed respectively the tight engagement with contact pin shape terminal 512,514 and 516.In one embodiment, tongue 212 is that positive terminal and tongue 214,216 are negative terminal.

Battery component line bank 200 comprises hole 220, is used for receiving the instrument 50 that connected or the logic terminal protector 520 (the best is shown in Fig. 9) of charger 30.The size in hole 220 should be identical so that tight engagement to be provided with logic terminal protector 520.Hole 220 can also be as the centering and the guider of line bank 200,300.

With reference to figure 5 and 9, battery component line bank 200 comprises a pair of laterally spaced projection 225.This projection 225 be suitable for slidably with instrument/charger line bank 300 in the inner mesh of a pair of laterally spaced groove 530.Laterally spaced projection 225 helps to set up and instrument/charger line bank 300 more accurate alignings.The guide margin of groove 530 can be cut sth. askew or bevel so that projection 225 slidably with 530 engagements of laterally spaced groove.

Following relating to, should be with reference to figure 7-11 to the description of the line bank of Wireless Power Tools 30 or charger 50.Fig. 7 is 50 schematic diagrames of the charger with line bank 300 according to exemplary.With reference to figure 7, charger 50 comprises charger case 410.Charger case 410 is included in the upper case 413 and the lower case 415 of combination on the separator bar 417 of longitudinal extension.Charger case 410 comprises LED indicating device 412, is used for indicating the charged state of the battery component that is connected.Though exemplary has illustrated the situation of three (3) LED indicating devices, be to be understood that according to needed function and can use more than three (3) or be less than the indicating device of three (3).Charger case 410 comprises the open type notch board chamber 425 that is used for vertically receiving the battery component (not shown).

Insert releasedly in the charger case 410 for the ease of battery component 10, open type notch board chamber 425 comprises a pair of groove 427 that is positioned on 425 cross sides of open type notch board chamber.This is suitable for receiving crew-served guide rail 179 on the battery component 10 to groove 427.Therefore, can be by the engagement of groove-track so that battery component 10 is inserted in the charger 30 and from charger 30 takes out.

Battery charger line bank 300 is arranged on the inside in open type notch board chamber 425.Line bank 300 provides the logic terminal to be connected with power terminal between charger 50 and battery component 10, for example the electric connection between charger 50 and battery component 10.Line bank 300 comprises power terminal 512,514 and 516 and logic terminal 511 (the best as shown in Figure 9).In this embodiment, power terminal comprises an anodal power terminal (positive terminal 512) and respectively is used for two negative pole power terminals (positive terminal 514,516) of charging operations and discharge operation.

In Fig. 7, the arrow 305 that illustrates is represented being displaced sideways relatively of line banks 300.Line bank 300 can float (from left to right) so that aim at the terminal of charger 50 when being inserted into battery component 10 in the charger 50.In example, on each direction, can displacement move ± 2mm.Be to be understood that the design according to instrument/charger, line bank 300 can move in more or less lateral displacement.

Displacement is moved and can accurately be aimed at before any coupling of any terminal (electric power or logic) of line bank 200,300.And the displacement of instrument/charger line bank 200,300 is moved and has been reduced alignment logic terminal and the required fastening tolerance limit of power terminal, is to carry out before the coupling of any terminal because aim at.As discussed above, when two line banks 200,300 connected, the track 189 on the assembly 100 middle and upper part shells 110 had been determined the displacement amount of movement.

Fig. 8 is the bottom schematic view according to the electric power Wireless Power Tools 30 of exemplary.For purposes of illustration, electric tool 30 is electric power awl/screwdriver; Yet be to be understood that and use other instruments as discussed above.Wireless Power Tools 30 have shell 602, and this shell 602 can be formed by suitable plastic materials such as polyethylene, polypropylene and/or polyurethanes molding.In one embodiment, electric tool shell 602 is injection molded as and has two aliquot 602A, 602B.Use machanical fastener (not shown) such as screw with these two aliquot 602A, 602B tightens together in a usual manner.

Right side edge in the bottom of Wireless Power Tools 30 along shell 602 forms first guide rail 612, and forms second guide rail 614 along the left side edge of shell 602.First guide rail 612 and second guide rail 614 are designed to the groove co-operation with battery component.For example, especially the battery component among Fig. 2 10 comprises crew-served groove 180, thereby meshes and locking mutually with first guide rail 612 and second guide rail 614 slidably, crosses as previously discussed.

Guide margin at guide rail 612,614 forms edge 617 that cut sth. askew or bevel, thereby is convenient to aim between the guide rail 612,614 of groove on the battery component 10 180 and tool outer casing 602 and locking mutually.

Arrow 305 among Fig. 8 is to want being displaced sideways relatively of representational tool line bank 300.Instrument line bank 300 can side direction float, thereby before battery component 10 is inserted in the Wireless Power Tools 30, the terminal of Wireless Power Tools 300 is aimed at battery component 10.According to the design of instrument 30, can move ± 2mm in a direction or suitable direction top offset.Movable moving can be realized more accurate aligning between assembly and instrument line bank 200,300.

Be connected on the Wireless Power Tools 30 in order to further facilitate battery component 10, concave portions 619 be set at the end of Wireless Power Tools 30.Concave portions 619 is conventional in structure and operation and meshes with the corresponding lock pin (not shown) of battery component 10 when inserting.Can prevent that thus battery component 10 from moving up to the elastic biasing that overcomes lock pin in a usual manner, in the related scope of exemplary.

Fig. 9 is line bank 300 detailed maps according to exemplary.Line bank 300 can be used for electronic equipment Wireless Power Tools 30 as discussed above or charger 50.Line bank 300 can for example the PBT that strengthens of glass, nylon, polyethylene, polypropylene and/or the polyurethanes molding that glass is filled form by any appropriate plastic material.Yet, can use other materials to make line bank 300.Line bank 300 engagement battery wire rows 200 (the best as shown in Figure 11).

With reference to figure 9, the main body 501 of line bank 300 comprises top board 502 and backboard 505.Top board 502 suitably is connected on the surface of electronic equipment such as Wireless Power Tools 30 or charger 50.Top board 502 can be connected on Wireless Power Tools 30 or the charger 50 by for example groove-guide arrangement, binding agent, securing member or other any suitable manner.Backboard 505 comprises the electrical connection by the electric wire (not shown) of logic terminal and power terminal.

Line bank 300 comprises logical end subdivision 510 and power terminal (positive terminal 512,514 and 516).Logical end subdivision 510 is configured to will be inserted in the battery logic region part 215 of battery component line bank 200.Logical end subdivision 510 comprise with battery component line bank 200 on a plurality of contacts 511 of contact 211 engagement (figure is as 5 as shown in) formation electric connection.In one embodiment, contact 511 is arranged on one or two surface of logical end subdivision 510, as shown in Figure 5.The electric connection function of logical end subdivision 510 is normally known and no longer go through here.Show seven contacts 511 on the logic terminal 510 among Fig. 9; Yet should be appreciated that needs according to function can use the contact 511 of varying number.

Power terminal 512 be specially anodal male terminal contact pin and be suitable for battery wire row 200 in contact tongue 212 (female terminal)

engagement.Power terminal

514 and 516 for the contact pin of negative pole male terminal and be suitable for respectively with battery wire row 200 in contact tongue 214 and 216 (negative contact pin) engagement.Power terminal 514 is used for charge function and power terminal 516 is used for discharging function.Be to be understood that the charge/discharge function in these two terminals 514,516 can reverse.

With reference to Figure 10, power terminal 516 than power terminal 514 and power terminal 512 offset slightly (perhaps long) some, so terminal 516 at first contacts tongue 216 on the battery component 10 (at first combining with tongue 216 couplings).In other words, charging negative pole (ground connection) power terminal 516 relative other terminals 512,514 are offset forward or extend, thereby at first and prior to other power terminals 512,514 mate combinations.The skew negative terminal 516 set up the ground connection connection, thereby serve as the electric shock release mechanism and/or avoid Wireless Power Tools 30 or charger 50 and/or battery component 10 in electrostatic impact.And, negative pole power terminal 516 longer or skew is set can uses and the identical geometry of negative pole and positive terminal of discharging, make negative terminal contact pin can before other terminals, at first mate combination simultaneously.Before connecting other circuit, just set up dead ground like this.

With reference to figure 9, line bank 300 comprises logic terminal protector 520 below logic terminal 510.Logic terminal protector 520 meshes with the hole 220 (as shown in Figure 5) in the battery component line bank 200.Logic terminal protector 520 can be specially the flat board that is positioned at the extend longitudinally below the logic terminal 510, thereby serves as the guider that is used for being inserted into battery component line bank 200.The width of logic terminal protector 520 is identical with logic terminal 510 usually, and can block fragment and pollutant for logical end 510.In addition; in the collision process of instrument 30 (or charger 50); logic terminal protector 520 can protect logic terminal 510 to avoid being damaged, and/or design to prevent that the coupling between non-standard with other or inappropriate battery component from combining as " blockades ".

Main body 501 comprises a plurality of fins 507 that are used to reinforce line bank 300 structures." backstop " parts when a plurality of fins 507 can also serve as line bank 300 with 200 interconnection of battery component line bank.Fin 507 can be arranged on following, the surface that is formed on logic terminal protector 520 of top board 505 or be arranged on the two, as shown in Figure 9.

Line bank 300 comprises a pair of laterally spaced groove 530.Laterally spaced groove 530 is assembled into line bank 300 is limited in Wireless Power Tools 30 or the charger 50.Line bank 300 comprises extension 519 on the surface of line bank.Extension 519 is the structure member that serves as " backstop " parts of line bank 300.

Line bank 300 comprises pair of holes 540.Each hole holds coil spring 545 therein.Spring 545 can with the surface engaged that is positioned at the vibrating part track 182 on the battery component 10, thereby the impulsive force when absorbing Wireless Power Tools 30 (or charger 50) engagement battery component 10.In other words, spring 545 can serve as the vibration absorber that reduces impact.When instrument was connected with battery, spring 245 can also provide resistance (for example spring 245 not only influences mechanical engagement/separation, but also can cause electrical connection between battery component and the instrument by safe disconnection).And spring 245 can help battery component to eject.When the user pushed the lock pin button, spring 245 was released terminal with battery component effectively, and made the user more easily pull down battery component from instrument.

Figure 11 is interconnective line bank 200,300 schematic diagrames according to exemplary.With reference to Figure 11, battery wire row 200 and line bank 300 interconnect with explanation mechanical connection and electrical connection.Line bank 300 can be the part of the shell of electric tool 300 or charger 50.Therefore, this line bank 300 formed usually will with the part of the electronic equipment of battery component such as assembly 10 engagements.

Battery component line bank 200 comprises negative positive terminal (tongue 212), the first negative negative terminal (tongue 214) and the second negative negative terminal (tongue 216).Negative positive terminal 212 is suitable for positive terminal 512 engagements with line bank 300.The first negative negative terminal 214 is suitable for positive terminal 514 engagements with line bank 300, and the second negative negative terminal 216 is suitable for meshing with the positive terminal 516 of instrument/charger line bank 300.

When battery component 10 is inserted in Wireless Power Tools 30 or the charger 50, in two stages, carry out the aligning of battery component terminal and instrument/charger terminal.In first stage, guide rail 179 looselys of battery component 10 or roughly with tool outer casing 602 in guide rail 612,614 engagement of pairing.For the ease of the co-operation of guide rail engagement, the guide margin of guide rail 179 be cut sth. askew or bevel 183 (the best is shown among Fig. 2).And, the guide margin of track 612,614 also be cut sth. askew or bevel (617 shown in Fig. 8).

In second stage, it has entered electronic equipment casing (promptly at battery component 10, tool outer casing 602 or charger open cavity 425) in carry out guide rail 189 engagements (Fig. 2) on the instrument line bank 300 that comprises laterally spaced groove 530 (shown in Fig. 9) and lower part 176 upper surfaces that are arranged on the battery component 10 middle and upper part shells 110 after the relative distance.Guide rail 189 is guaranteed correctly to aim at groove 530 (referring to Fig. 9 and Figure 11), is used for by line bank 200 line bank 300 being placed central authorities, and provides movable distance for line bank 300.

Described exemplary thus, clearly can change it in many ways.This change does not think to break away from these exemplary, and those skilled in the art are easy to expect that all these distortion all comprise within the scope of the claims.

Claims

1, a kind of charger is characterized in that, described charger comprises:

The shell that comprises upper case part and lower case part;

The open type notch board chamber of upper case and lower case position is passed in formation, is used to receive battery component;

Be positioned at the guide rail of a pair of perpendicular separation on the side, open type notch board chamber, be used for battery component on engagement; And

Be positioned at the line bank of inside, open type notch board chamber, be used to provide the electrical connection between charger and the battery component;

Wherein line bank constitutes side direction and floats, thereby portion provides the displacement of line bank to move in the enclosure, is used for battery component is aligned in the inside of charger.

According to the charger of claim 1, it is characterized in that 2, line bank is movable moving ± 2mm on any one direction.

According to the charger of claim 1, it is characterized in that 3, line bank also comprises:

Main part;

Be used for inserting the logical end subdivision of the line bank of battery component; And

A plurality of contact pin, be used to provide the electric power function and be suitable for the battery component line bank on contact tongue engagement.

According to the charger of claim 3, it is characterized in that 4, a plurality of contacts are arranged on the upper surface of logical end subdivision.

According to the charger of claim 3, it is characterized in that 5, a plurality of contacts are arranged on the lower surface of logical end subdivision.

According to the charger of claim 3, it is characterized in that 6, relative other contact pin in a plurality of contact pin are setovered forward, mate combination thereby at first contact tongue with on the battery wire row one of them.

7, according to the charger of claim 3, it is characterized in that, line bank also comprise constitute with the battery component line bank in the logic terminal protector of hole engagement.

According to the charger of claim 7, it is characterized in that 8, logic terminal protector is positioned at logical end

Below the subdivision, thereby when being inserted in the open type notch board chamber, serves as battery component guiding.