CN209071423U - Battery modules - Google Patents

Battery modules Download PDF

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Publication number
CN209071423U
CN209071423U CN201821884748.2U CN201821884748U CN209071423U CN 209071423 U CN209071423 U CN 209071423U CN 201821884748 U CN201821884748 U CN 201821884748U CN 209071423 U CN209071423 U CN 209071423U
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China
Prior art keywords
single battery
snap part
limit plate
battery
battery modules
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CN201821884748.2U
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Chinese (zh)
Inventor
曹根
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201821884748.2U priority Critical patent/CN209071423U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model embodiment provides a kind of battery modules, comprising: shell has receiving portion;Single battery group, including single battery and limit plate, more than two single batteries are arranged side by side along first direction, the outer surface of at least partly single battery is provided with snap part, and buckle space is formed between snap part and outer surface, limit plate extends along preset path and is fastened in buckle space, so that more than two single batteries mutually fix connection by snap part and limit plate.The single battery group of the utility model is mechanically connected using snap part and limit plate, and connection structure is simple, easy to assembly, and can guarantee the bonding strength in single battery group between each single battery.

Description

Battery modules
Technical field
The utility model relates to battery apparatus technical field more particularly to a kind of battery modules.
Background technique
More than two single batteries are generally provided in battery modules in the prior art, which can be Metal-back single battery or plastic housing single battery.
When single battery is metal-back single battery, more than two single batteries are in battery modules shell end plate and side Under the extruding of plate in advance in groups, assembly is complicated, and cannot be guaranteed the bonding strength between two neighboring single battery;Work as monomer When battery is plastic housing single battery, conventional use of is the mode that the plastic top cover of single battery is carried out to silk filling hot melt.It fills silk Expect the low-melting plastics of conventional selection, such plastic strength is poor, in mould group circulation expansion process, is easily crushed;And it fills silk Material is low with the adhesive strength that single battery plastic top cover is formed by hot melt, during mould group impact vibration, easily falls off, Cause bonding strength between each single battery in battery modules inside insufficient.
Therefore, a kind of new battery modules are needed.
Utility model content
The utility model embodiment provides a kind of battery modules, it is intended to improve and connect between each single battery inside battery modules Intensity is connect, the structure of single battery group is simplified.
On the one hand the utility model embodiment provides a kind of battery modules, comprising: shell has receiving portion;Monomer electricity Pond group is set to receiving portion, and single battery group includes single battery and limit plate, and more than two single batteries are along first direction It is arranged side by side, the outer surface of at least partly single battery is provided with snap part, and is formed between snap part and outer surface Space is buckled, limit plate extends along preset path and is fastened in buckle space, so that more than two single batteries pass through buckle Component and limit plate mutually fix connection.
One aspect according to the present utility model, single battery further includes more than two output poles, more than two Output pole is set to the two sides of single battery in a second direction, second direction and first direction intersection;Snap part and output Pole is located at the ipsilateral of single battery.
One aspect according to the present utility model, snap part include the first snap part and the second snap part, two The the first above snap part and more than two second snap parts are respectively arranged at the two sides of single battery in a second direction;
Limit plate includes the first limit plate and the second limit plate, and the first limit plate and the second limit plate are located at the first card In the buckle space of buckle part and the second snap part.
One aspect according to the present utility model, limit plate include plate body and are protruded by plate body along the direction far from outer surface The convex ribs of formation, convex ribs are between two adjacent snap parts.
One aspect according to the present utility model, convex ribs are located between the snap part of two adjacent single batteries, and Corresponding to the gap setting between two adjacent single batteries;
Convex ribs are additionally provided with limited wall close to the side of single battery, and limited wall is by convex ribs along the direction close to single battery It extends to form, limited wall is located at gap and is resisted against two adjacent single batteries.
One aspect according to the present utility model, there are two limited walls for setting on convex ribs, and two limited walls are along first direction Interval is arranged and bears against in two adjacent single batteries;
Alternatively, being provided with a limited wall on convex ribs, limited wall is resisted against two adjacent single batteries simultaneously.
One aspect according to the present utility model, limit plate include the both ends being oppositely arranged, and at least one end in both ends is set It is equipped with flange, flange is by one end along the direction elongation moulding far from outer surface.
One aspect according to the present utility model, snap part include the interconnecting piece, limiting section and stopper section connected in succession, Limiting section is connected to outer surface, and limiting section and the setting of appearance face interval by interconnecting piece, and it is separate that stopper section is connected to limiting section One end of interconnecting piece, and stopper section and outer surface are separately positioned, to form the buckle space with opening.
One aspect according to the present utility model, side of the stopper section far from buckle space includes guide surface, guide surface by At least partly side is extended to form along the direction inclination far from outer surface.
One aspect according to the present utility model, connecting portion is in limiting section close to the side of output pole.
In the battery modules of the utility model embodiment, single battery group includes more than two single batteries, and two It is provided with snap part outside above single battery, buckle space is formed between snap part and the outer surface of single battery, Limit plate is fastened in the buckle space, so that more than two single batteries utilize snap part and the limit plate mutually company of fixing Connect, thus between more than two single batteries using mechanical structure fix connection, no setting is required fill silk material, can overcome due to Bonding strength caused by the adhesive strength that material and battery core plastic top cover are formed by hot melt of filling silk is low between single battery is not Foot, and the connection structure between each single battery is simple, without carrying out hot melt processing, can effectively improve the group of single battery group Fill efficiency.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is a kind of structural schematic diagram of battery modules of the utility model embodiment;
Fig. 2 is a kind of configuration schematic diagram of battery modules of the utility model embodiment;
Fig. 3 is a kind of structural schematic diagram of the limit plate of battery modules of the utility model embodiment;
Fig. 4 is a kind of structural schematic diagram of the limit plate of battery modules of another embodiment of the utility model;
Fig. 5 is a kind of main view of battery modules of the utility model embodiment;
Fig. 6 is a kind of side view of battery modules of the utility model embodiment;
Fig. 7 is the cross-sectional view of Fig. 6;
Fig. 8 is the partial enlargement structural representation of Fig. 7.
Description of symbols:
100, single battery group;
200, single battery;200a, shell ontology;200b, top cover;
210, snap part;210a, the first snap part;210b, the second snap part;
211, space is buckled;212, interconnecting piece;213, limiting section;214, stopper section;214a, guide surface;
220, limit plate;220a, the first limit plate;220b, the second limit plate;
221, convex ribs;221a, limited wall;
222, flange;
223, plate body;
230, pole is exported;
240, cushion.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member. Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality Unnecessary obscure is caused with novel;Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to the embodiments of the present invention Specific structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit Fixed, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visual specific Situation understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand, below with reference to Fig. 1 to Fig. 7 according to the battery mould of the utility model embodiment Group is described in detail.
The utility model embodiment provides a kind of battery modules, including shell, and shell has receiving portion;Single battery group 100, single battery group 100 is located at receiving portion.
Fig. 1 is a kind of structural schematic diagram of single battery group 100 provided by the embodiment of the utility model, and Fig. 2 is the quick-fried of Fig. 1 Fried structural schematic diagram, single battery group 100 includes: single battery 200, and more than two single batteries 200 are along first direction (figure X-direction in 1) it is arranged side by side;The outer surface of at least partly single battery 200 is provided with snap part 210, and snap part Buckle space 211 is formed between 210 and outer surface;Limit plate 220 extends along preset path and is fastened in buckle space 211, So that more than two single batteries 200 mutually fix connection by snap part 210 and limit plate 220.
Wherein, the setting number of snap part 210 it is not limited here, for example, each single battery 200 outside be respectively provided with There is snap part 210, and the outer surface of snap part 210 and single battery 200 forms buckle space 211, so that limit plate 220 Each single battery 200 is connected positioned at buckle space 211;Or in the list at X-direction both ends in all single batteries 200 Snap part 210 is provided on body battery 200, limit plate 220 is located in the buckle space 211 of snap part 210, using in X The frictional force that the single battery 200 at direction both ends generates the squeezing action of remaining single battery 200 and extruding is electric by each monomer Pond 200 connects.
Preferably, the outer surface of each single battery 200 is provided with snap part 210, snap part 210 and monomer The outer surface of battery 200 is formed with buckle space 211, and limit plate 220 is located in buckle space 211, so that two adjacent lists Body battery 200 can be connected with each other by snap part 210 and limit plate 220, and can be guaranteed between each single battery 200 The stability of relative position.
In the battery modules of the utility model embodiment, single battery group 100 includes more than two single batteries 200, more than two single batteries 200 are provided with snap part 210, the outer surface of snap part 210 and single battery 200 outside Between be formed with buckle space 211, limit plate 220 is fastened in the buckle space 211, so that more than two single batteries 200 Connection is mutually fixed using snap part 210 and limit plate 220, therefore utilizes machinery between more than two single batteries 200 Structure fixes connection, and no setting is required, and silk filling is expected, can overcome and heat the viscous of formation since silk filling material passes through with battery core plastic top cover Connect intensity it is low caused by bonding strength between single battery 200 it is insufficient, and the connection structure letter between a single battery 200 It is single, without carrying out hot melt processing, the packaging efficiency of single battery group 100 can be effectively improved.
There are many set-up modes of single battery 200, such as single battery 200 includes the (side Y in Fig. 1 in a second direction To) the tubbiness shell ontology 200a of elongation moulding, shell ontology 200a have accommodation space and be connected to accommodation space two are open, Two openings are oppositely arranged along Y-direction, and single battery 200 further includes the top cover 200b being arranged at the opening.
It is understood that the setting position of snap part 210 is it is not limited here, the setting position of snap part 210 It is not limited here, snap part 210, which can be set, is set to top in the outer surface of shell ontology 200a or snap part 210 Cover the outer surface of 200b.
Preferably, single battery 200 further includes more than two output poles 230, and more than two output poles 230 are set It is placed in single battery 200 and is located at the same of single battery 200 along the outer surface of top cover 200b, snap part 210 and output pole 230 The outer surface that side, i.e. snap part 210 are also disposed on top cover 200b.
In these optional embodiments, output pole 230 is located at the outer surface of single battery 200, and exports pole 230 The outer surface setting of single battery 200 is often protruded from, when single battery group 100 is packed into the shell of battery modules, meeting exists The inner surface of 200 outer surface of single battery and shell that export 230 side of pole forms part idle space, snap part 210 It is located at the ipsilateral of single battery 200 with output pole 230, snap part 210 is located in the idle space, so that card Buckle part 210 will not occupy additional space, therefore this implementation can be while not increasing single battery group 100 and taking up space It realizes the mechanical connection between each single battery 200, will not influence the energy density of battery modules.
In addition, the making material of shell ontology 200a and top cover 200b are it is not limited here, shell ontology 200a and top cover 200b Metal or plastic material can be selected to be made.When shell ontology 200a and top cover 200b selects metal material to be made, snap part 210 can use the outer surface that the modes such as welding are set to shell ontology 200a or top cover 200b.Preferably, shell ontology 200a and top Lid 200b selects plastic material to be made, and snap part 210 and shell ontology 200a or top cover 200b is allowed to be integrally formed setting, Improve the bonding strength between snap part 210 and shell ontology 200a or top cover 200b.
The extension path of limit plate 220 it is not limited here, when snap part 210 is set to shell ontology 200a, limits 220 extension path of plate passes through shell ontology 200a;When snap part 210 is set to top cover 200b, the extension path of limit plate 220 By top cover 200b, as long as limit plate 220 and snap part 210 can cooperate and be fastened in buckle space 211, so that more A single battery 200 can mutually fix connection by snap part 210 and limit plate 220, improve multiple single batteries 200 it Between bonding strength.
Also referring to Fig. 3 to Fig. 8, the setting number of limit plate 220 and snap part 210 it is not limited here, one In a little optional embodiments, snap part 210 includes the first snap part 210a and the second snap part 210b, more than two First snap part 210a and more than two second snap part 210b is respectively arranged at single battery 200 in a second direction Two sides;Limit plate 220 includes the first limit plate 220a and the second limit plate 220b, the first limit plate 220a and the second limit plate 220b is located in the buckle space 211 of the first snap part 210a and the second snap part 210b.
In these optional embodiments, the two sides of single battery 200 in the Y direction are provided with snap part 210, limit Position plate 220 includes that the first limit plate 220a and the second limit plate 220b, the first limit plate 220a and the second limit plate 220b distinguishes The first snap part 210a being oppositely arranged in the Y direction and the second snap part 210b cooperation, can be in single battery 200 Two sides in the Y direction provide limit power, guarantee the stability of relative position between each single battery 200, and due to monomer electricity The two sides of pond 200 in the Y direction are provided with output pole 230, by the first snap part 210a and the second snap part 210b Being set to the two sides of single battery 200 in the Y direction not will increase the volume of single battery group 100, will not influence battery modules Energy density, and can guarantee the stability of relative position between each single battery 200 simultaneously.
The quantity of the first snap part 210a and the second snap part 210b outside each single battery 200 do not limit herein It is fixed, such as the outer surface of each single battery 200 is respectively provided with that there are two the first snap part 210a and two the second snap parts 210b, two the first snap part 210a are spaced apart in X direction, and two the second snap part 210b are spaced apart in X direction, By the way that two the first snap part 210a and two the second snap part 210b are arranged, limit plate 220 can be provided preferably Position-limiting action guarantees the stability of relative position between limit plate 220 and single battery 200, i.e., in guarantee single battery group 100 Bonding strength between each single battery 200.
It is understood that the setting quantity of the first snap part 210a and the second snap part 210b are not limited only to this, Such as a first snap part 210a and second snap part can also be provided only with outside each single battery 200 210b or each single battery 200 are also provided with three or three or more the first snap part 210a and second outside Snap part 210b, and the quantity of the first snap part 210a and the second snap part 210b outside each single battery 200 can With equal or different, if the first snap part 210a and the second snap part 210b can respectively with the first limit plate 220a and Second limit plate 220b cooperation, so that can be connected with each other between each single battery 200.
In some alternative embodiments, limit plate 220 includes plate body 223 and the side by plate body 223 along separate outer surface The convex ribs 221 formed to protrusion, convex ribs 221 are between two adjacent snap parts 210.
In these optional embodiments, by the way that convex ribs 221 are arranged, and convex ribs 221 are located at two adjacent snap parts Between 210, limit power in X direction can be provided to each single battery 200, guarantee that each single battery 200 is opposite in the X direction The stability of position.
When the setting of 200 outer surface of single battery is there are two the first snap part 210a and two the second snap part 210b When, convex ribs 221 can be located between two the first snap part 210a of same single battery 200 or two neighboring monomer Between first snap part 210a of battery 200.
Preferably, convex ribs 221 are located between the first snap part 210a of adjacent single battery 200, can be to adjacent Single battery 200 better position-limiting action is provided.And when convex ribs 221 are located at the first clamping part of adjacent single battery 200 When between part 210a, by changing the distance between each convex ribs 221 on limit plate 220, or change convex ribs 221 in X direction Development length can change the distance between two neighboring single battery 200, so that adjacent monomer in the single battery group 100 The distance between battery 200 can change according to actual use demand, improve the applicability of single battery group 100.
Similarly, when the setting of 200 outer surface of single battery is there are two the first snap part 210a and two the second clamping parts When part 210b, convex ribs 221 can be located at same single battery 200 two the second snap part 210b between or adjacent two Between second snap part 210b of a single battery 200.Preferably, convex ribs 221 are located at the of two neighboring single battery 200 Between two snap part 210b.
In some alternative embodiments, convex ribs 221 be located at two adjacent single batteries 200 snap part 210 it Between, and correspond to the gap setting between two adjacent single batteries 200;Convex ribs 221 close to the side of single battery 200 also It is provided with limited wall 221a, limited wall 221a is extended to form by convex ribs 221 along the direction close to single battery 200, limited wall 221a is located at gap and is resisted against two adjacent single batteries 200.
In these optional embodiments, convex ribs 221 correspond to the gap setting between neighboring unit cell 200, convex ribs Limited wall 221a is provided on 221, limited wall 221a is resisted against two adjacent single batteries 200, therefore limited wall 221a energy The enough limit power provided into two adjacent single batteries 200 in X direction, guarantees relative position between each single battery 200 Stability.
There are many set-up modes of limited wall 221a, for example, a limited wall 221a is provided on each convex ribs 221, one A limited wall 221a has two opposite sides in X direction, and two sides are born against in two adjacent single batteries 200, i.e., it is resisted against two adjacent single batteries 200 simultaneously using a limited wall 221a.
In other optional embodiments, there are two limited wall 221a, two limited walls for setting on each convex ribs 221 221a is spaced setting in X direction, and two limited wall 221a bear against in two adjacent single batteries 200, limited by two Position wall 221a provides limit power to two adjacent single batteries 200 respectively.
It is not limited here, limited wall 221a and convex ribs 221 are wholely set the set-up mode of limited wall 221a, limited wall 221a is arranged by the bending of part convex ribs 221 or limited wall 221a is welded or is adhered to convex ribs 221 etc..
In some alternative embodiments, limit plate 220 includes the both ends being oppositely arranged, at least one end setting in both ends There is flange 222, flange 222 is by one end along the direction elongation moulding far from outer surface.Preferably, the both ends of limit plate 220 are all provided with It is equipped with flange 222.
It, can be to limit plate 220 by the way that flange 222 is arranged at the both ends of limit plate 220 in these optional embodiments The snap part 210 at both ends provides the limit power of X-direction, can be to the monomer electricity in single battery group 100 at X-direction both ends Pond 200 provides limit power, guarantees the stability of relative position between each single battery 200 in single battery group 100.
There are many set-up modes of snap part 210, and in some alternative embodiments, snap part 210 includes successive Interconnecting piece 212, limiting section 213 and the stopper section 214 of connection, limiting section 213 is connected to outer surface by interconnecting piece 212, and limits Position portion 213 and the setting of appearance face interval, stopper section 214 is connected to the one end of limiting section 213 far from interconnecting piece 212, and stopper section 214 and single battery 200 outer surface it is separately positioned, with formed have opening buckle space 211.
It, can be to limit plate by the outer surface of limiting section 213 and single battery 200 in these optional embodiments 220 provide the limit power in Y-direction, can be provided to limit plate 220 along Z-direction by stopper section 214 and interconnecting piece 212 Power is limited, so that limit plate 220 is limited in buckle space 211, enables each single battery 200 in single battery group 100 Enough it is connected with each other by snap part 210 and limit plate 220.
In some alternative embodiments, side of the stopper section 214 far from buckle space includes guide surface 214a, guide surface 214a is extended to form on the direction far from limiting section 213 along the direction inclination far from outer surface by least partly side.
In these optional embodiments, by the way that guide surface 214a is arranged, the ruler of the opening in buckle space 211 can be increased It is very little, consequently facilitating limit plate 220 is snapped in buckle space 211 by opening.
In some alternative embodiments, interconnecting piece 212 is located at limiting section 213 close to the side of output pole 230, even if The opening that space 211 must be buckled is located remotely from the side of output pole 230, so that output pole 230 will not block buckle space 211 opening, convenient for limit plate 220 to be placed in buckle space 211.
In some alternative embodiments, it is additionally provided between two single batteries 200 adjacent in single battery group 100 Cushion 240, to buffer the vibration that single battery group 100 is subject to, and cushion 240 has elasticity.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.Therefore, currently Embodiment be all counted as being exemplary rather than in all respects limited, the scope of the utility model is wanted by appended right Ask rather than foregoing description defines, also, fall into the meaning of claim and whole in the range of equivalent change to all by It is included among the scope of the utility model.

Claims (10)

1. a kind of battery modules characterized by comprising
Shell has receiving portion;
Single battery group, is set to described accommodation section, and the single battery group includes single battery and limit plate, more than two The single battery is arranged side by side along first direction, and the outer surface of at least partly described single battery is provided with snap part, and Buckle space is formed between the snap part and the outer surface, limit plate extends along preset path and is fastened in the card Space is detained, so that more than two single batteries mutually fix connection by the snap part and the limit plate.
2. battery modules according to claim 1, which is characterized in that the single battery further includes more than two outputs Pole, more than two output poles are set to the two sides of the single battery in a second direction, the second direction and The first direction intersection;The snap part and the output pole are located at the ipsilateral of the single battery.
3. battery modules according to claim 2, which is characterized in that
The snap part includes the first snap part and the second snap part, more than two first snap parts and two A above second snap part is respectively arranged at the single battery along the two sides of the second direction;
The limit plate includes the first limit plate and the second limit plate, and first limit plate and second limit plate distinguish position In the buckle space of first snap part and second snap part.
4. battery modules according to claim 1, feature is being, the limit plate includes plate body and by the plate body The convex ribs to be formed are protruded along the direction far from the outer surface, the convex ribs are between two adjacent snap parts.
5. battery modules according to claim 4, which is characterized in that
The convex ribs are located between the snap part of two adjacent single batteries, and correspond to two adjacent institutes State the gap setting between single battery;
The convex ribs are additionally provided with limited wall close to the side of the single battery, and the limited wall is by the convex ribs along close to institute The direction for stating single battery extends to form, and the limited wall is located at the gap and is resisted against two adjacent single batteries.
6. battery modules according to claim 5, which is characterized in that
There are two the limited walls, two limited walls to be arranged and distinguish along the first direction interval for setting on the convex ribs It is resisted against two adjacent single batteries;
Alternatively, being provided with the limited wall on the convex ribs, the limited wall is resisted against two adjacent lists simultaneously Body battery.
7. battery modules according to claim 1, which is characterized in that the limit plate includes the both ends being oppositely arranged, institute It states at least one end in both ends and is provided with flange, the flange is extended by described one end along the direction far from the outer surface Type.
8. battery modules according to claim 2, feature is being, the snap part includes the connection connected in succession Portion, limiting section and stopper section, the limiting section are connected to the outer surface by the interconnecting piece, and the limiting section and described The setting of appearance face interval, the stopper section are connected to the one end of the limiting section far from the interconnecting piece, and the stopper section and The outer surface is separately positioned, to form the buckle space with opening.
9. battery modules according to claim 8, which is characterized in that side of the stopper section far from the buckle space Including guide surface, the guide surface is extended to form by at least partly described side along the direction inclination far from the outer surface.
10. battery modules according to claim 8, which is characterized in that the connecting portion is in the limiting section close to institute State the side of output pole.
CN201821884748.2U 2018-11-15 2018-11-15 Battery modules Active CN209071423U (en)

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CN201821884748.2U CN209071423U (en) 2018-11-15 2018-11-15 Battery modules

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Application Number Priority Date Filing Date Title
CN201821884748.2U CN209071423U (en) 2018-11-15 2018-11-15 Battery modules

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111799416A (en) * 2020-07-14 2020-10-20 刘鹏 Split lithium battery of electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111799416A (en) * 2020-07-14 2020-10-20 刘鹏 Split lithium battery of electric vehicle

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