CN212991207U - Battery pack shell assembly and battery pack - Google Patents

Abstract

The utility model provides a battery package casing subassembly and use battery package of this battery package casing subassembly. This battery pack casing subassembly for accept battery cell and realize the card between battery package and the power consumption instrument and hold or separate, including casing and the button of connection in the casing, the button has the splenium of exposing the casing outward, be connected and run through the casing with the card clamping part of holding the power consumption instrument and accept the connecting portion that are used for connecting and supporting the button in the casing with pressing the splenium, connecting portion retrain the casing and can slide first connecting portion and second connecting portion from top to bottom including controlling the interval, form the clearance of stepping down between first connecting portion and the second connecting portion, and be equipped with between first connecting portion and second connecting portion and the casing and make the button keep moving up first elastic component and the second elastic component of trend. The utility model discloses simplify the structure of battery package casing subassembly, made the battery package equipment convenience of using this battery package casing subassembly simultaneously, improved the experience degree when the user uses.

Description

Battery pack shell assembly and battery pack

Technical Field

The utility model relates to a battery pack shell subassembly and battery pack belongs to gardens work field.

Background

The battery pack is widely used as a power source of electric and gardening tools, and the battery pack button is applied to the existing battery pack as one of the structures for fixing with the electric tools. As shown in fig. 1 to fig. 3, a battery pack button 1 'of a battery pack 100' in the prior art generally realizes the fixation of the battery pack 100 'and a power tool through the cooperation of a button molding 11', a screw (not shown), a spring 12 'and a pressing structure 13', and is influenced by more materials and parts in the assembly process, and generally has more assembly steps.

Specifically, in the process of mounting the battery pack 100 ', the button plastic 11 ' is first clamped into the front case 2 ', the spring 12 ' is then fixed on the pressing plate, i.e., the pressing structure 13 ', the pressing plate 13 ' is then fitted with the button plastic 11 ' and positioned on the screw post of the front case 2 ', and then fixed by two screws, and finally the front case 2 ' is assembled on the front case 2 ' (as shown in fig. 3), thereby completing the assembly of the battery pack 100 '.

That is, the battery pack 100 'in the prior art includes at least five parts, i.e., the front case 2', the button molding 11 ', and the like, and the assembly of the battery pack button 1' can be completed only in at least four operation steps, and a PCB 3 ', two sets of female terminals (not shown) and an LED 4 ' are also required in the battery pack 100 ' to implement the function of displaying the amount of power (as shown in fig. 2), meanwhile, in order to prevent the interference between the battery pack button 1 ' and the LED 4 ' from affecting the normal display of the electric quantity of the battery unit 5 ', the LED 4 ' cannot be directly connected to the PCB 3 ', therefore, in the prior art, the electric quantity display of the battery unit 5 'in the battery pack 100' is often realized by newly adding the lamp panel PCB 6 'and the connector 7' (the wiring harness + the male and female plug terminals, the FPC + the female plug terminals, and the like), so that the number of parts of the battery pack in the prior art is increased, and the number of assembling steps is increased; in addition, in the prior art, the battery pack 100 'is influenced by the material structure and the proper amount of the material, so that the button stroke of the battery pack button 1' generally interferes with the PCB 2 ', and the practicability of the battery pack 100' is influenced.

In view of the above, it is necessary to provide a new battery pack to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, equipment convenient battery package casing subassembly and use this battery package casing subassembly's battery package.

In order to achieve the above object, the utility model provides a battery pack casing subassembly for accept battery unit and realize the card between battery pack and the power consumption instrument and hold or separate, including the casing and connect button in the casing, the button has the exposure the casing press the splenium, with press the splenium to connect and run through the casing is in order to hold the buckle portion of power consumption instrument and accept be used for connecting and supporting in the casing the connecting portion of button, connecting portion retrain including controlling the interval first connecting portion and the second connecting portion that can slide from top to bottom in the casing, form the clearance of stepping down between first connecting portion and the second connecting portion, just first connecting portion and second connecting portion with be equipped with the messenger between the casing the button keeps the first elastic component and the second elastic component of tendency that shifts up.

As a further improvement of the present invention, the first connecting portion and the second connecting portion have connections respectively and are in press the first connecting wall and the second connecting wall of splenium bottom, just the tail end that first connecting wall and second connecting wall extend has respectively the card to be held on the casing and injectd the first card of the travel distance of the button is held the portion and is held the portion with the second card.

As a further improvement, the first connecting wall is kept away from the one end of first card clamping part is equipped with accepts the first chamber of acceping of first elastic component, the second connecting wall is kept away from the one end of second card clamping part is equipped with and is used for accepting the chamber is acceptd to the second of second elastic component, just first accept the chamber with the second is acceptd the chamber and is all connected the bottom of pressing the splenium.

As a further improvement of the present invention, the housing includes a first housing for connecting the button, and the first housing is provided with a first connecting cavity corresponding to the first connecting wall and a second connecting cavity corresponding to the second connecting wall.

As a further improvement of the present invention, the first connecting wall penetrates through the first connecting cavity, and the first clamping portion is clamped at the bottom edge of the first connecting cavity, so as to form a sliding connection relationship between the first connecting wall and the first connecting cavity; similarly, a sliding connection is formed between the second connecting wall and the second connecting cavity.

As a further improvement of the present invention, the buckling portion is disposed on the pressing portion to be away from the one end of the connecting portion and to run through the casing protrudes outward, and the buckling portion is connected to the pressing portion through the cantilever.

As a further improvement of the present invention, the connecting portion and the extending direction of the buckling portion are substantially right angles, the end portion where the buckling portion extends is provided with an oblique guide surface, and the oblique guide surface is located the clamping portion deviates from one side of the pressing portion.

As a further improvement of the utility model, press the splenium to keep away from the one end of connecting portion is equipped with spacing portion, spacing portion is perpendicular press the bottom extension of splenium, have to press the sunken spacing recess of splenium one side, just be equipped with in the casing with spacing recess corresponds the limit baffle who sets up.

For realizing the above utility model purpose, the utility model provides a battery pack, include aforementioned battery can shell body subassembly, accept battery cell, coupling assembling and display module in the battery can shell body subassembly, coupling assembling is including the PCB board that is used for control and electric connection battery cell and power tool, display module connects the tip of PCB board, battery can shell body subassembly includes casing and button, the button is including controlling first connecting portion and the second connecting portion that the interval ground retrains in the casing and can slide from top to bottom, form the clearance of stepping down between first connecting portion and the second connecting portion, just display module passes through the clearance of stepping down runs through the casing is gone on the demonstration of battery cell's electric quantity.

As a further improvement of the utility model, the casing have with first connecting portion correspond the first connection chamber that sets up and with the second connection chamber that the second connecting portion correspond the setting, the button passes through first connecting portion with first connection chamber second connecting portion with the cooperation in second connection chamber moves to the position of disengaging under pressure, and follows the battery package is with the grafting direction of power consumption instrument, the position of disengaging is located the display module with the top of PCB board.

The utility model has the advantages that: the utility model discloses a battery pack housing assembly has simplified the structure of battery pack housing assembly through setting up the button form of connecting on the casing and has made things convenient for the installation of battery pack housing assembly, makes the battery pack equipment of using this battery pack housing assembly convenient simultaneously, and the battery display is obvious, has improved the experience degree when the user uses.

Drawings

Fig. 1 is a schematic structural view of a battery pack in the prior art.

Fig. 2 is an exploded perspective view of the battery pack shown in fig. 1.

Fig. 3 is a schematic view of the front cover and battery pack button of fig. 1 in combination.

Fig. 4 is a schematic perspective view of the battery pack of the present invention.

Fig. 5 is an exploded perspective view of the battery pack shown in fig. 4.

Fig. 6 is an exploded view of the button and the first housing of fig. 4.

Fig. 7 is a perspective view of the button of fig. 4.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

Referring to fig. 4 to 7, the present invention provides a battery pack 100, which includes a battery pack housing assembly 10, a battery unit 20, a connecting assembly 30 and a display assembly 40.

The battery pack housing assembly 10 is used for accommodating the battery unit 20, the connecting assembly 30 and the display assembly 40 and realizing clamping or separation between the battery pack 100 and a power tool, and comprises a housing 11 and a button 12 connected in the housing 11.

The housing 11 includes a first housing 111 for connecting the button 12, a second housing 112 and a third housing 113 fastened to the first housing 111, and the first housing 111 is fastened to the ends of the second housing 112 and the third housing 113, so that the battery unit 20, the connecting assembly 30, and the display assembly 40 can be conveniently mounted and matched with the battery pack housing 11, and the mounting steps of the battery pack 100 are simplified.

The button 12 includes a pressing portion 13 exposed from the first case 111, a locking portion 14 connected to the pressing portion 13 and penetrating the second case 112 to lock the power tool, and a connecting portion 15 accommodated in the case 11 to connect and support the button 12. The pressing portion 13 is configured to be held on the first housing 111 through a through hole (not numbered) formed in the first housing 111, and further, the pressing portion 13 has a recess 131, so that a user can press the button 12 through the recess 131 to separate the battery pack 100 from the power tool.

Further, the tip of pressing portion 13 to extend along the grafting direction of battery package 100 is equipped with spacing portion 132, specifically speaking, spacing portion 132 sets up and is keeping away from the one end of connecting portion 15 pressing portion 13, and spacing portion 132 extends according to the bottom of portion 13 perpendicularly the utility model discloses in, spacing portion 132 is equipped with 2, and sets up respectively and pressing the both sides of portion 13 along the grafting direction according to pressing, and the inboard of first casing 111 is equipped with the limit baffle 1111 that is used for supporting according to portion 13, and limit baffle 1111 sets up with spacing portion 132 one-to-one, and spacing portion 132 has to pressing the sunken spacing recess 133 in portion 13 one side, and spacing portion 132 passes through spacing recess 133 joint on limit baffle 1111 to inject according to portion 13 along perpendicular and grafting direction's displacement, prevents that button 12 breaks away from on casing 11.

Along the plugging direction of the battery pack 100 and the electric tool, the fastening part 14 is disposed at the end of the pressing part 13, a through hole 1112 for accommodating the fastening part 14 is disposed on the second housing 112, and the fastening part 14 protrudes outwards from the through hole 1112, so as to fix the plugging position of the battery pack 100 and the electric tool when the battery pack 100 is plugged with the electric tool, thereby preventing the battery pack 100 from being separated from the electric tool and causing abnormal power failure of the electric tool.

The utility model discloses in, buckling part 14 with press to be connected through cantilever 141 between the splenium 13, so set up, can make buckling part 14 have certain elasticity and reply the space to prevent that buckling part 14 from receiving the pressure that supports of the chamber wall of accommodating of power consumption instrument and breaking when battery package 100 pegs graft with the power consumption instrument, guarantee battery package 100's life. Further, the end portion that buckling part 14 extends still is equipped with oblique guide surface 142, and oblique guide surface 142 is located buckling part 14 and deviates from one side of pressing portion 13, so sets up, when battery package 100 pegs graft with the power consumption instrument, oblique guide surface 142 will with the chamber wall butt of acceping of power consumption instrument, then slowly press buckle portion 14 to make cantilever 141 take place to deform and drive and press portion 13 of pressing that connects through cantilever 141 and slide downwards, guarantee that battery package 100 inserts smoothly in the power consumption instrument.

Connecting portion 15 extends along the grafting direction of perpendicular to battery package 100, and the utility model discloses in, connecting portion 15 is the right angle with the extending direction of buckle portion 14 roughly, and connecting portion 15 includes first connecting portion 151 and second connecting portion 152, and first connecting portion 151 and second connecting portion 152 control the inboard of retraining at first casing 111 with the interval to can slide from top to bottom along the direction of the grafting direction of perpendicular to battery package 100.

The utility model discloses in, first connecting portion 151 and second connecting portion 152 set up respectively pressing the tip of splenium 13 of keeping away from clamping part 14, and along the grafting direction, first connecting portion 151 and second connecting portion 152 are located respectively and press the both sides of splenium 13 bottom to form between the two and let a clearance 153.

Further, the first connecting portion 151 and the second connecting portion 152 respectively have a first connecting wall 1511 and a second connecting wall 1521 connected to the bottom of the pressing portion 13, and the extending tail ends of the first connecting wall 1511 and the second connecting wall 1521 respectively have a first retaining portion 1512 and a second retaining portion 1522 retained on the first housing 111 and defining the moving distance of the button 12.

Specifically, a first receiving cavity 1513 is disposed at an end of the first connecting wall 1511 away from the first clamping portion 1512, a second receiving cavity 1523 is disposed at an end of the second connecting wall 1521 away from the second clamping portion 1522, the first receiving cavity 1513 and the second receiving cavity 1523 are both connected to the bottom of the pressing portion 13, and the first connecting wall 1511 and the second connecting wall 1521 are disposed at outer sides of the first receiving cavity 1513 and the second receiving cavity 1523 respectively along the plugging direction.

Further, a first connecting cavity 1113 corresponding to the first connecting portion 151 is disposed on the inner sidewall of the first housing 111, the first connecting wall 1511 is received in the first connecting cavity 1113, and the first holding portion 1512 is held at the bottom edge of the first connecting cavity 1113, so as to form a sliding connection between the first connecting wall 1511 and the first connecting cavity 1113.

Similarly, a second connecting cavity 1114 corresponding to the second connecting portion 152 is further disposed on the inner side wall of the first housing 111, the second connecting wall 1521 is received in the second connecting cavity 1114, and the second retaining portion 1522 is retained at the bottom edge of the second connecting cavity 1114, so that a sliding connection relationship is formed between the second connecting wall 1521 and the second connecting cavity 1114.

Defining the position where the button 12 is pressed to control the buckling part 14 to be disengaged from the accommodating cavity wall of the electric tool as the disengaged position, the lengths of the first sliding groove 1113 and the second sliding groove 1114 can limit the sliding of the button 12 between the installation position and the disengaged position of the button 12, and in the present invention, the battery pack housing assembly 10 further includes a first elastic member 16 clamped and accommodated between the first accommodating cavity 1513 and the first connecting cavity 1113 and a second elastic member 17 clamped and accommodated between the second accommodating cavity 1523 and the second connecting cavity 1114, so configured that when the external force acting on the pressing part 13 is removed, the button 12 is kept at the installation position and the buckling part 14 is engaged with the accommodating cavity wall of the electric tool, thereby ensuring the stable connection of the battery pack 100 and the electric tool, preferably, the first elastic member 16 and the second elastic member 17 are both helical springs, which is easy to understand, the first elastic member 16 and the second elastic member 17 of the present invention can also be other elastic elements, are not listed here.

Battery unit 20 is provided with a plurality ofly simultaneously, and a plurality of battery unit 20 are the matrix and arrange and connect through coupling assembling 30 and become one, in the utility model discloses in, coupling assembling 30 is inboard including the connecting plate 31 that is used for connecting battery unit 20 and control and the PCB board 32 of electric connection battery unit 20 and power consumption instrument, wherein, connecting plate 31 distributes in the both sides wall of third casing 113, and PCB board 32 joint is on the inside wall of second casing 112 towards battery unit 20 one side, and PCB board 32 is through the battery inserted sheet (not shown) and power consumption instrument electric connection who connects above that.

Further, the display module 40 is connected to the end of the PCB board 32 near the first housing 111, and the first casing 11 is provided with a display window 114 corresponding to the display assembly 40, and further, the width of the end of the PCB 32 is smaller than the relief gap 153, and when the push button 12 slides from the mounting position to the disengagement position at the time of mounting, the edge of the push part 13 at the disengagement position is located above the end of the PCB board 32, the display element 40 connected to the end, and the display window 114, so that stable light emission of the display element 40 can be ensured, meanwhile, the connection of the display module 40 to the end of the PCB board 32 avoids the connection of the electrical unit 20 and the display module 40 in the prior art, simplifies the mounting process of the battery pack 100, and the arrangement can also facilitate the user to observe the residual capacity of the battery unit 20, further improving the practicability of the battery pack 100.

In a preferred embodiment of the present invention, the display module 40 is an LED display device, so that the display brightness of the display module 40 can be reduced while the display brightness of the display module 40 is ensured, and it should be understood that the display module 40 can also be other display devices for displaying the brightness of the battery unit 20, which are not listed one by one herein

The utility model discloses a battery package casing subassembly 10 and use battery package 100 of this battery package casing subassembly 10 make display module 40 lug connection at the tip of PCB board 32 through the form that sets up button 11, have avoided the use that is used for connecting the connecting piece of battery cell 20 and display module 40 among the prior art to have simple structure, characteristics simple to handle. Especially in the in-process that battery package 100 and power consumption instrument equipment used, use the utility model provides a battery package casing subassembly 10 can make things convenient for the grafting between battery package 100 and the power consumption instrument to use, has promoted battery package 100's practicality.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a battery pack shell subassembly for accept battery unit and realize the card between battery pack and the power consumption instrument and hold or separate, include the casing and connect in the button in the casing, its characterized in that: the button is provided with a pressing part exposed out of the shell, a connecting part connected with the pressing part and penetrating through the shell to clamp the buckling part of the power tool and a connecting part accommodated in the shell and used for connecting and supporting the button, the connecting part comprises a first connecting part and a second connecting part which are constrained in the shell at intervals from left to right and can slide up and down, a yielding gap is formed between the first connecting part and the second connecting part, and a first elastic part and a second elastic part which enable the button to keep moving upwards are arranged between the first connecting part and the second connecting part and the shell.

2. The battery pack housing assembly of claim 1, wherein: the first connecting portion and the second connecting portion are respectively provided with a first connecting wall and a second connecting wall which are connected to the bottom of the pressing portion, and the extending tail ends of the first connecting wall and the second connecting wall are respectively provided with a first clamping portion and a second clamping portion which are clamped on the shell and limit the moving distance of the button.

3. The battery can housing assembly of claim 2, wherein: the end, far away from the first clamping part, of the first connecting wall is provided with a first containing cavity for containing the first elastic piece, the end, far away from the second clamping part, of the second connecting wall is provided with a second containing cavity for containing the second elastic piece, and the first containing cavity and the second containing cavity are connected to the bottom of the pressing part.

4. The battery can housing assembly of claim 2, wherein: the casing is including being used for connecting the first casing of button, just be equipped with on the first casing with first connection wall corresponds the first connection chamber that sets up and with the second connection wall corresponds and sets up the second and connects the chamber.

5. The battery can housing assembly of claim 4, wherein: the first connecting wall penetrates through the first connecting cavity, and the first clamping part is clamped at the bottom edge of the first connecting cavity, so that a sliding connection relation is formed between the first connecting wall and the first connecting cavity; similarly, a sliding connection is formed between the second connecting wall and the second connecting cavity.

6. The battery pack housing assembly of claim 1, wherein: the buckling part is arranged at one end, far away from the connecting part, of the pressing part and penetrates through the shell to protrude outwards, and the buckling part is connected with the pressing part through a cantilever.

7. The battery pack housing assembly of claim 6, wherein: the connecting part and the extending direction of the buckling part are approximately right-angled, the extending end part of the buckling part is provided with an oblique guide surface, and the oblique guide surface is positioned on one side of the clamping part, which deviates from the pressing part.

8. The battery pack housing assembly of claim 1, wherein: one end, far away from the connecting portion, of the pressing portion is provided with a limiting portion, the limiting portion is perpendicular to the bottom of the pressing portion, a limiting groove which is sunken towards one side of the pressing portion is formed, and a limiting baffle which is correspondingly arranged with the limiting groove is arranged in the shell.

9. A battery pack, comprising: including any claim of claim 1 ~ 8 battery can body subassembly, accommodate battery cell, coupling assembling and the display module in the battery can body subassembly, coupling assembling includes the PCB board that is used for controlling and electric connection battery cell and power tool, the display module is connected the tip of PCB board, battery can body subassembly includes casing and button, the button includes first connecting portion and the second connecting portion that about the interval ground retrain in the casing and can slide from top to bottom, form the clearance of stepping down between first connecting portion and the second connecting portion, just the display module passes through the clearance of stepping down runs through the casing carries out the demonstration of battery cell's electric quantity.

10. The battery pack according to claim 9, wherein: the casing have with first connecting portion correspond the first connection chamber that sets up and with the second connection chamber that the second connecting portion correspond the setting, the button passes through first connecting portion with first connection chamber the second connecting portion with the cooperation in second connection chamber removes to the disengagement position under pressure, and follows the battery package is with the grafting direction of power consumption instrument, the disengagement position is located display module with the top of PCB board.

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