CN208753395U - Shell and external rechargeable battery - Google Patents

Abstract

The utility model belongs to charging equipment technical field more particularly to a kind of shell and external rechargeable battery, and shell includes: bottom case, is formed with top opening and the accommodation groove for accommodating battery core, and the cross section of the accommodation groove is in rectangle；Cover board is connected to the bottom case and is set to the opening of the accommodation groove；Magnet is arranged in the accommodation groove and is fastened between the side wall of the bottom case and the side wall of the battery core, and the magnet can pass through bottom case described in magnetic-adsorption.The shell of the utility model, due to being provided with magnet in bottom case, bottom case, so that bottom case also has magnetic ability, can be facilitated by magnet suction adsorption and be fixed on external rechargeable battery on external equipment by magnetic-adsorption, and it is fixed, the process for processing screw hole on the shell is eliminated, housing integration structure is simple, and inner space is optimized, it reduces the production cost, assembling easy to produce.

Description

Shell and external rechargeable battery

Technical field

The utility model belongs to charging equipment technical field more particularly to a kind of shell and external rechargeable battery.

Background technique

Existing its battery housing structure of rechargeable battery (such as external rechargeable battery) is generally complex, and shell is generally all Screw hole location can be reserved, rechargeable battery to be fastened on external equipment by screw, reserved screw hole location can make outside it The structure of shell becomes complicated, and production and installation work-hour are more, leads to the increase of cost of labor and Material Cost, adopts and be screwed Mode also be easy scratch external equipment surface.

Utility model content

The purpose of this utility model is to provide a kind of shell and external rechargeable batteries, it is intended to solve prior art China and foreign countries The technical issues of shell mechanism for setting formula rechargeable battery is complicated, production process is more, higher cost.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: shell, comprising:

Bottom case, is formed with top opening and the accommodation groove for accommodating battery core, and the cross section of the accommodation groove is in rectangle；

Cover board is connected to the bottom case and is set to the opening of the accommodation groove；

Magnet is arranged in the accommodation groove and is fastened between the side wall of the bottom case and the side wall of the battery core, institute Stating magnet can be by bottom case described in magnetic-adsorption.

Further, the top surface of the magnet is provided with locating slot, the side wall protrusion of the bottom case be provided with it is described fixed Position slot snap fit is to limit the mobile positioning projection of the magnet.

Further, the bottom surface of the cover board is connected with extension edge, the extension edge and the cover board close to edge Plane perpendicular, the extension edge are fastened between the bottom case and the battery core.

Further, the bottom case inner wall protrusion opposite with the magnet is provided with convex ribs, the positioning projection connection In the top of the convex ribs, the side of the magnet and the convex ribs offset and make to be formed between the magnet and the bottom case and supply The gap that the corresponding extension edge of the cover board is caught in.

Further, the cover board is adhered to the upper surface of the battery core by double-sided adhesive.

The another technical solution of the utility model is: a kind of external rechargeable battery, including above-mentioned shell and is contained in Battery core in the shell.

Further, the bottom surface protrusion of side of the accommodation groove far from the magnet is provided with protrusion, the protrusion The top surface in portion is fixedly connected with protection board, and the protection board is provided with multiple charging electrodes, and the protrusion recess is formed with recessed Slot, the anode ear and negative electrode lug of the battery core protrude into the groove and are electrically connected in the bottom surface of the protection board, the bottom Shell and/or the protection board are offered to be passed through and exposed notch for multiple charging electrodes.

Further, low temperature glue is filled between each component in the shell.

Further, the side wall of the bottom case is offered close to the position of the protection board and the magnet for described The inlet of the injection low temperature glue in shell.

Further, the magnet can adsorb the cover board, be provided between the cover board and the battery core for by institute State cover board and highland barley paper that the battery core separates.

The utility model has the beneficial effects that the shell of the utility model, due to being provided with magnet in bottom case, bottom case can be by magnetic Iron suction adsorption facilitates external rechargeable battery being fixed on outside by magnetic-adsorption so that bottom case also has magnetic ability In equipment, and it is fixed, the process for processing screw hole on the shell is eliminated, housing integration structure is simple, and inner space obtains It to optimization, reduces the production cost, assembling easy to produce.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the schematic perspective view of external rechargeable battery provided by the embodiment of the utility model；

Fig. 2 is the configuration schematic diagram of external rechargeable battery shown in Fig. 1；

Fig. 3 is the enlarged diagram in the portion A in Fig. 2；

Fig. 4 is side structure schematic view when external rechargeable battery shown in Fig. 1 removes cover board；

Fig. 5 is the schematic perspective view of bottom case in external rechargeable battery shown in Fig. 1；

Fig. 6 is the assembling schematic diagram one of members in external rechargeable battery shown in Fig. 1；

Fig. 7 is the assembling schematic diagram two of members in external rechargeable battery shown in Fig. 1；

Fig. 8 is the schematic perspective view of external rechargeable battery cover plate shown in Fig. 1.

Wherein, each appended drawing reference in figure:

10-external rechargeable battery 11-shell, 100-bottom cases

101-accommodation groove 103-inlets of the 102-the first notch

104-button hand position 110-the first side wall, 120-second sidewalls

130-protrusion 131-groove, 132-screws

133-positioning projection 134-convex ribs, 200-cover boards

210-extension edge the 212-the second extension edges of the 211-the first extension edge

213-the second notch 214-third, 300-magnet of notch

310-locating slot 400-battery core, 410-anode ears

420-negative electrode lug 500-protection board, 510-charging electrodes

600-highland barley paper.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figure 1, Figure 2 and shown in Fig. 4, shell 11 provided by the embodiment of the utility model, including bottom case 100,200 and of cover board Magnet 300.Bottom case 100 is surrounded by cross section in rectangle and the accommodation groove 101 for accommodating battery core 400, the top of accommodation groove 101 Opening；Cover board 200 is connect with battery core 400, and cover board 200 covers the top surface for being located at battery core 400 and is located at the opening on 101 top of accommodation groove Place；Magnet 300 is arranged in accommodation groove 101, and magnet 300 is fastened between the side wall of bottom case 100 and the side wall of battery core 400, Magnetic force energy adsorbs bottom case 100, so that the shell 11 equipped with battery core 400 can be by magnetic-adsorption on external equipment.That is, The receiving of magnet 300 is fixed in the accommodation groove 101 of bottom case 100, and bottom case 100 is due to also being had magnetic by the magnetic-adsorption of magnet 300 Function is inhaled, in this way, can set relative to outside when external rechargeable battery 10 is placed on the external equipment that can be attracted by the magnetic force It is standby fixed, facilitate the assembly of external rechargeable battery 10.

Shell 11 provided in this embodiment, due to being provided with magnet 300 in bottom case 100, bottom case 100 can be inhaled by magnet 300 Power absorption facilitates external rechargeable battery 10 being fixed on outside by magnetic-adsorption so that bottom case 100 also has magnetic ability In equipment, and it is fixed, the process that screw hole is processed on shell 11 is eliminated, 11 overall structure of shell is simple, internal empty Between optimized, reduce the production cost, assembling easy to produce.

In one embodiment, steel plate or stainless steel plate or other materials that can be adsorbed by magnet 300 can be used in bottom case 100 Sheet metal component can be used in material, bottom case 100, to facilitate processing, reduces production cost.Cover board 200 can be metal cover board 200, such as steel Plate or stainless steel plate or other materials that can be adsorbed by magnet 300, in this way, the magnetic ability of shell 11 can be further increased； Cover board 200 can also use other materials, such as plastic plate or aluminium sheet.

In one embodiment, as shown in Figures 2 to 5, the area of the cross section of cover board 200 is slightly smaller than the cross of accommodation groove 101 The area in section, i.e. cover board 200 adaptation are placed in accommodation groove 101 by proximal portion.Such as；Bottom case 100 includes two opposite The first side wall 110, two opposite second sidewalls 120 and bottom walls, the length of the first side wall 110 are less than the length of second sidewall 120 Degree.

In one embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 6 to Fig. 8, the bottom surface of cover board 200 is connected with close to edge prolongs Side 210, the plane perpendicular of extension edge 210 and cover board 200 are stretched, extension edge 210 is fastened between bottom case 100 and battery core 400, so that It is relatively fixed between bottom case 100, cover board 200 and battery core 400.In one embodiment, as shown in Fig. 2, Fig. 4 to Fig. 8, cover board The edge of four sides of 200 bottom surfaces is connected with extension edge.Extension edge 210 includes opposite two the first extension edges 211 and opposite Two the second extension edges 212, the corresponding side of two 212 parts of the second extension edge cladding 400 longer sides of battery core, therein one A first extension edge, 211 part cladding magnet 300 deviates from the side of battery core 400, another 211 part of the first extension edge cladding Side of the protection board 500 far from battery core 400.When battery core 400 is placed in accommodation groove 101, two the second extension edges 212 are fastened in Between battery core 400 and the side wall of accommodation groove 101, first extension edge 211 is fastened in the side wall and protection board of accommodation groove 101 Between 500 side wall, another first extension edge 211 is fastened between magnet 300 and the side wall of accommodation groove 101, in this way, cover board 200, stable card holding structure is formed between battery core 400 and bottom case 100, cover board 200 is not easy to drop out from bottom case 100.It is appreciated that It can also be fixed using other modes between cover board 200 and bottom case 100, such as in the bearing surface of cover board 200 and bottom case 100 The protrusion and card hole of cooperation are set, and perhaps other dismountable structures or two are perhaps arranged in the raised line and card slot of setting cooperation Person passes through ultrasonic bonding connection.

First extension edge 211 and the second extension edge 212 offer spaced multiple third notches 214, so that lid Each extension edge 210 of plate 200 is easy to be connected in corresponding gap, and then cover board 200 is made to be stuck securely.

In one embodiment, cover board 200 is adhered to the upper surface of battery core 400, for example, cover board 200 is by double-sided adhesive, (figure is not Show) it is adhered to the upper surface of battery core 400, the installation of cover board 200 is simple, is conducive to improve packaging efficiency.The cross section of cover board 200 Area is slightly larger than the area of the cross section of battery core 400, when cover board 200 is adhered to the upper surface of battery core 400, the bottom surface of cover board 200 All upper surfaces of covering battery core 400.

In one embodiment, as shown in Figures 2 to 4, the top surface of magnet 300 is provided with locating slot 310, the side of bottom case 100 Wall protrusion, which is provided with, leans near magnet 300 with 310 snap fit of locating slot to limit the mobile positioning projection 133 of magnet 300 The first side wall 110 protrusion be formed with positioning projection 133, which is fastened in the locating slot 310 of magnet 300, energy The movement of magnet 300 along its length is limited, the longitudinal section of locating slot 310 can be in the shape of rectangle or Else Rule.

In one embodiment, the top surface of magnet 300 opens up spaced two locating slots 310, and locating slot 310 runs through magnetic The left and right sides of iron 300, the longitudinal section of two locating slots 310 are in rectangle, and the inner wall of the first side wall 110 protrudes along the vertical direction Spaced two convex ribs 134 are set, and each convex ribs 134 are connected with positioning projection 133, two positioning projections by proximal portion 133 are located at identical height, and when magnet 300 is installed on the accommodation groove 101 of bottom case 100, two positioning projections 133 are respectively clamped into two In locating slot 310, the side of magnet 300 offsets with two convex ribs 134, simultaneously because convex ribs 134 are provided with, so that magnet 300 Gap is formed between the first side wall 110, corresponding first extension edge 211 of cover board 200 is caught in magnet 300 and the first side wall The side in the gap between 110,200 bottom surface of cover board is resisted against the top surface of two positioning projections 133.It is appreciated that 134 He of convex ribs Other quantity also can be set in positioning projection 133, and such as 1,3 or more.By near magnet 300 the first side wall 110 it is outer Wall, which can be recessed, to be arranged fluted, to form button hand position 104, external rechargeable battery 10 is facilitated to detain removal from external equipment Operation.

As shown in Figure 1, Figure 2 and shown in Fig. 4, external rechargeable battery 10 provided by the embodiment of the utility model, including above-mentioned reality The shell 11 and battery core 400 of example are applied, battery core 400 is contained in the accommodation groove 101 of shell 11, and 500 electricity of battery core 400 and protection board Connection.Since shell 11 is built-in with magnet 300, shell 11 has magnetic attraction due to the absorption by magnet 300, so that external Rechargeable battery 10 can be easily absorbed and fixed on external equipment, and fixed, eliminated and processed screw on shell 11 The process in hole, 11 overall structure of shell is simple, and inner space is optimized, and reduces the production cost, assembling easy to produce.

In one embodiment, as shown in Fig. 2, Fig. 4 and Fig. 5, protection board 500 is provided in accommodation groove 101.Accommodation groove 101 Bottom surface at one of the first side wall 110 protrusion be provided with protrusion 130, the protrusion 130 recess is formed with recessed Slot 131, the anode ear 410 and negative electrode lug 420 of battery core 400 stretch out in groove 131, the anode ear 410 and negative electrode lug of battery core 400 420 can be by spot-welded in the bottom surface of protection board 500.Protection board 500 is fixed on protrusion 130 by screw 132, such as protects The both ends of backplate 500 along its length pass through a screw 132 respectively and are connected and fixed on protrusion 130, and two screws 132 are located at recessed The two sides of slot 131.Protection board 500 has charge protector (not shown), is provided with multiple charging electrodes on protection board 500 510, charging electrode 510 extends to the side that protection board 500 deviates from accommodation groove 101, the first side from the bending of the top surface of protection board 500 The position of the corresponding charging electrode 510 of wall 110 offers the first notch 102, and the position of the corresponding charging electrode 510 of cover board 200 opens up There is the second notch 213, so that each charging electrode 510 exposes to shell 11, and then external equipment and charging electrode 510 is facilitated to realize Electrical connection.

In one embodiment, the gap filling between each component in shell 11 has sealant (not shown).In shell 11 After sealant, more firm structure is formed between each component, the components such as battery core 400, magnet 300, protection board 500 will not It is shaken relative to shell 11, meanwhile, it also can increase the waterproof performance of external rechargeable battery 10.

In one embodiment, as shown in Figures 3 to 5, the side wall of bottom case 100 is close to the position of protection board 500 and magnet 300 Set the inlet 103 offered for injecting sealant into shell 11, the i.e. both ends of each second sidewall 120 of bottom case 100 Inlet 103 is offered by proximal portion.Inlet 103 can be arc notch, be also possible to the notch of Else Rule shape, Encapsulating die can be used to inject sealant in shell 11 by each inlet 103, until between each component in shell 11 Gap is filled, and external rechargeable battery 10 has good waterproof performance at this time.

In one embodiment, sealant uses low temperature glue, fast with curing rate, adhesive strength is high, oil resistant, resistance to Temperature, media-resistant, it is ageing-resistant the features such as.

In one embodiment, as shown in Fig. 2, Fig. 7, highland barley paper 600 is provided between cover board 200 and battery core 400, being used for will Cover board 200 and battery core 400 separate, and the area of the cross section of highland barley paper 600 is equal to the area of the cross section of battery core 400.Highland barley paper 600 have the advantages that good insulation, water resistance, grease resistance, ageing-resistant, but also have good flexibility, can be effective Cover board 200 and battery core 400 are isolated by ground.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of shell, it is characterised in that: include:

Bottom case, is formed with top opening and the accommodation groove for accommodating battery core, and the cross section of the accommodation groove is in rectangle；

Cover board is connected to the bottom case and is set to the opening of the accommodation groove；

Magnet is arranged in the accommodation groove and is fastened between the side wall of the bottom case and the side wall of the battery core, the magnetic Iron can pass through bottom case described in magnetic-adsorption.

2. shell according to claim 1, it is characterised in that: the top surface of the magnet is provided with locating slot, the bottom case Side wall protrusion be provided with the locating slot snap fit to limit the mobile positioning projection of the magnet.

3. shell according to claim 2, it is characterised in that: the bottom surface of the cover board is connected with extension close to edge Side, the plane perpendicular of the extension edge and the cover board, the extension edge are fastened between the bottom case and the battery core.

4. shell according to claim 3, it is characterised in that: the bottom case inner wall opposite with the magnet protrudes setting There are convex ribs, the positioning projection is connected to the top of the convex ribs, and the side of the magnet and the convex ribs offset and make described The gap being caught in for the corresponding extension edge of the cover board is formed between magnet and the bottom case.

5. shell according to claim 1, it is characterised in that: the cover board is adhered to the upper of the battery core by double-sided adhesive Surface.

6. a kind of external rechargeable battery, it is characterised in that: including the described in any item shells of Claims 1 to 5 and be contained in Battery core in the shell.

7. external rechargeable battery according to claim 6, it is characterised in that: the accommodation groove far from the magnet one The bottom surface protrusion of side is provided with protrusion, and the top surface of the protrusion is fixedly connected with protection board, and the protection board is provided with more A charging electrode, the protrusion be recessed to be formed it is fluted, the anode ear and negative electrode lug of the battery core protrude into the groove and point It is not electrically connected to the bottom surface of the protection board, the bottom case and/or the protection board are offered to be worn for multiple charging electrodes It crosses and exposed notch.

8. external rechargeable battery according to claim 7, it is characterised in that: filled between each component in the shell There is low temperature glue.

9. external rechargeable battery according to claim 8, it is characterised in that: the side wall of the bottom case is close to the protection The position of plate and the magnet offers the inlet for injecting the low temperature glue into the shell.

10. external rechargeable battery according to claim 6, it is characterised in that: the magnet can adsorb the cover board, institute State the highland barley paper being provided between cover board and the battery core for separating the cover board and the battery core.