CN209626288U - A kind of battery pack and its shell, upper housing - Google Patents

A kind of battery pack and its shell, upper housing Download PDF

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Publication number
CN209626288U
CN209626288U CN201920569900.6U CN201920569900U CN209626288U CN 209626288 U CN209626288 U CN 209626288U CN 201920569900 U CN201920569900 U CN 201920569900U CN 209626288 U CN209626288 U CN 209626288U
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China
Prior art keywords
housing
battery pack
shell
case
annular groove
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Active
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CN201920569900.6U
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Chinese (zh)
Inventor
孙永刚
宋雷雷
闵忠国
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Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd
Neusoft Reach Automotive Technology Shenyang Co Ltd
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Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd
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Priority to CN201920569900.6U priority Critical patent/CN209626288U/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

Abstract

The utility model discloses a kind of battery pack and its shell, upper housing, wherein the upper housing is through integrated injection molding, and the resin layer of two sides including base layer and above and below the base layer, the base layer is metal mesh;The outer rim of the upper housing has the ring flat-plate portion extended radially outward, and the lower surface in the ring flat-plate portion is equipped at least one of annular groove, and for installing sealing element, and the position that the ring flat-plate portion is not provided with the annular groove is additionally provided with circumferentially spaced several connecting holes.The upper housing of the provided battery pack of the utility model is also beneficial to the quality of product after guaranteeing to process through integrated injection molding, the machine-shaping of the upper housing 1 of being more convenient for complex shape smaller for requirements such as profile angles;And sealing element is mounted in annular groove, annular groove is staggered with connecting hole, in this way, just no setting is required via hole, the structure of sealing element can be significantly simplified, can also be easily installed on sealing element, can be improved the packaging efficiency of upper housing and lower case.

Description

A kind of battery pack and its shell, upper housing
Technical field
The utility model relates to battery pack technical fields, and in particular to a kind of battery pack and its shell, upper housing.
Background technique
What the upper housing of conventional batteries packet generallyd use is metal plate punching molding, however, the structure of battery pack upper housing is multiple Miscellaneous, direct punch forming difficulty is larger, the more difficult control of product quality.
Therefore, how a kind of scheme is provided, is still those skilled in the art's technology urgently to be resolved to overcome drawbacks described above Problem.
Utility model content
The purpose of the utility model is to provide a kind of battery pack and its shells, upper housing, wherein the upper housing passes through one Injection molding, difficulty of processing is low, is more convenient for guaranteeing product quality.
In order to solve the above technical problems, the utility model provides a kind of upper housing of battery pack, the upper housing is through one Injection molding, the resin layer of two sides including base layer and above and below the base layer, the base layer is metal mesh;On described The outer rim of shell has the ring flat-plate portion extended radially outward, and the lower surface in the ring flat-plate portion is equipped at least one of annular groove, is used for Sealing element is installed, and the position that the ring flat-plate portion is not provided with the annular groove is additionally provided with circumferentially spaced several connecting holes.
The upper housing of the provided battery pack of the utility model is through integrated injection molding, compared to punch forming, integrated injection molding Technique is smaller for requirements such as profile angles, the machine-shaping for the upper housing 1 for being more convenient for complex shape, meanwhile, also favorably The quality of product after guaranteeing processing;And sealing element is mounted in annular groove, annular groove is staggered with connecting hole, in this way, on sealing element Just no setting is required via hole, the structure of sealing element can significantly simplify, and difficulty of processing can be greatly reduced, and then can be easily installed, It can be improved the packaging efficiency of upper housing and lower case.
Optionally, each connecting hole is respectively positioned on the outside of the annular groove, and the sealing element is sealant.
Optionally, the outer rim in the ring flat-plate portion is additionally provided with the turnover panel portion extended downwardly.
Optionally, the metal mesh is steel wire.
The utility model also provides a kind of shell of battery pack, including upper housing and lower case, and the upper housing is above-mentioned Battery pack upper housing;It further include connecting component, the connecting component can pass through the connecting hole, by the upper housing It is fixed on the lower case.
Since the upper housing of above-mentioned battery pack has been provided with technical effect as above, then, the electricity with the upper housing The shell of Chi Bao is also when having similar technical effect, therefore this will not be repeated here.
Optionally, the connecting component includes connection screw bolt and nut, and the nut is installed on the lower case, the company Connecting bolt can pass through the connecting hole, to be connected with the nut.
Optionally, there are several intervals by squeeze cast form, peripheral wall in the lower case in the up-down direction Cavity.
Optionally, the nut is fixed on the roof of cavity described in top layer by staking technique.
Optionally, the interface in the lower case and the ring flat-plate portion also is provided at least annular groove together, for installing The sealing element, the position that the connecting component passes through the lower case are staggered the annular groove of the lower case.
The utility model also provides a kind of battery pack, including shell, and the shell is the shell of above-mentioned battery pack.
Since the shell of above-mentioned battery pack has been provided with technical effect as above, then, the battery pack with the shell Also when having similar technical effect, therefore this will not be repeated here.
Detailed description of the invention
Fig. 1 is provided a kind of structural schematic diagram of specific embodiment of the upper housing of battery pack by the utility model;
Fig. 2 is the connection structure diagram of the resin layer of base layer and two sides;
Fig. 3 is base layer in the intracorporal structural schematic diagram of upper casing;
Fig. 4 is provided a kind of structural schematic diagram of specific embodiment of the shell of battery pack by the utility model.
The reference numerals are as follows in Fig. 1-4:
1 upper housing, 1a base layer, 1b resin layer, 11 ring flat-plate portions, 111 annular grooves, 112 sealing elements, 113 connecting holes, 12 turnover panels Portion;
2 lower cases, 21 cavitys;
3 connecting components, 31 connection bolts, 32 nuts.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have The utility model is described in further detail for body embodiment.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two;And when using " several " table When showing the quantity of certain several component, it is not offered as the correlation of these components quantitatively.
Fig. 1-4 is please referred to, Fig. 1 is provided a kind of knot of specific embodiment of the upper housing of battery pack by the utility model Structure schematic diagram, Fig. 2 are the connection structure diagram of the resin layer of base layer and two sides, and Fig. 3 is that base layer shows in the intracorporal structure of upper casing It is intended to, Fig. 4 is provided a kind of structural schematic diagram of specific embodiment of the shell of battery pack by the utility model.
As shown in Figure 1-3, the utility model provides a kind of upper housing 1 of battery pack, the upper housing 1 through integrated injection molding at Type, including base layer 1a and positioned at the resin layer 1b of the two sides base layer 1a or more, and base layer 1a is metal mesh.
The punch forming process of middle sheet metal component compared with the prior art, integrated injection molding technique for profile angle etc. require compared with It is small, the machine-shaping for the upper housing 1 for being more convenient for complex shape, meanwhile, it is also beneficial to the quality of product after guaranteeing to process.
In specific scheme, above-mentioned resin layer 1b can use thermoplastic resin, thermoplastic resin have by thermal softening, The performance of hardening by cooling, and not chemically reactive, are more convenient for being molded;Metal mesh as base layer 1a can use steel Matter net can also use copper or other metal materials mesh members, can be improved using metal mesh as injection molding skeleton The intensity of injecting products guarantees the performance of injecting products, and the metal mesh can also effectively shield electromagnetic signal, so that processing The electro-magnetic screen function that upper housing 1 afterwards has had.
Here, the utility model embodiment does not limit the specific mesh number of metal mesh, when implementing, those skilled in the art Can according to actual needs depending on;It is understood that the mesh number of metal mesh is more, i.e. the mesh diameter of metal mesh is smaller, more Be conducive to improve electro-magnetic screen function, and the mesh number of metal mesh is fewer, processing cost, difficulty of processing also will be reduced accordingly.
In the prior art, the upper housing 1 of battery pack, the circumferential abutment position of lower case 2 are additionally provided with sealing element, to ensure two The sealing performance of person junction;The sealing element is specifically as follows gasket in a ring, during installation, for guarantee gasket can By fixation, it will usually several via holes be arranged on gasket, fix upper housing 1, the connector of lower case 2 can pass through gasket Via hole, with simultaneously gasket is fixed.However, the structure that this structure design will lead to gasket is excessively complicated, and Also to guarantee preferable machining accuracy, so that the via hole on gasket can be with the connecting hole 113 in upper housing 1, lower case 2 Corresponding, this there are in fact biggish difficulty for the processing of gasket.
In view of this, the outer rim of the upper housing 1 of the utility model embodiment can have the ring flat-plate portion extended radially outward 11, the lower surface in ring flat-plate portion 11 can be equipped at least one of annular groove 111, and for installing sealing element 112, and ring flat-plate portion 11 is not provided with The position of aforementioned annular groove 111 is also provided with circumferentially spaced several connecting holes 113.
Just no setting is required using this structure, on sealing element 112 via hole, the structure of sealing element 112 can significantly simplify, add Work difficulty can be greatly reduced, it is also possible to be easily installed, can be improved the packaging efficiency of upper housing 1, lower case 2.
Above-mentioned sealing element 112 can be sealant, can be by tools such as colloid-injecting guns to aforementioned annular groove in production and processing Sealant is injected in 111, to form sealing element 112 above-mentioned.In addition to this, above-mentioned sealing element 112 or sealing strip etc. Common seal member.
Here, the utility model embodiment does not limit the quantity of the annular groove 111 of 11 lower surface of ring flat-plate portion yet, can be one Road, or multiple tracks, it specifically can be depending on use demand;It is understood that the quantity of annular groove 111 is more, in diameter The quantity of existing sealing structure will be more upwards, and the leakproofness between upper housing 1, lower case 2 is also more secure, and The quantity of annular groove 111 is fewer, and the structure of upper housing 1 is also just more simple.
In addition, annular groove 111 can be located at the inside of each connecting hole 113, as shown by figure embodiment, can also be located at each The outside of connecting hole 113, alternatively, annular groove 111 can also be distributed with inside and outside each connecting hole 113, i.e., in each connection It is distributed with sealing structure inside and outside hole 113, this is all the selection that can be used in the specific implementation.
As shown in figure 4, the outer rim in ring flat-plate portion 11 is also provided with the turnover panel portion 12 extended downwardly, which can be It is upwardly formed another road protection week, is blocked with the circumferential abutment position to upper housing 1, lower case 2, can effectively stop to relate to Impact of the water for upper housing 1,2 docking site of lower case in water test, water slug test, and then the utility model institute can be improved The waterproof performance of the shell of battery pack is provided.
For the turnover panel portion 12, the flange (not shown) that lower edge can also have fold inward and extend, this is turned over Side can further stop impact of the water to the circumferential abutment position of upper housing 1, lower case 2.
For upper housing 1, the description of "inner", "outside" be on the basis of the center of upper housing 1, it is relatively close In the position of the center is referred to as, and the position for being relatively distant from the center is referred to as outer.
The utility model also provides a kind of shell of battery pack, including upper housing 1 and lower case 2, and upper housing 1 is above-mentioned each The upper housing 1 of battery pack involved in embodiment.In this way, the technical effect that the upper housing 1 of above-mentioned battery pack has, this The shell of the provided battery pack of utility model is also when having, and this will not be repeated here.
The shell of the battery pack further includes connecting component 3, and connecting component 3 can pass through connecting hole 113, by upper housing 1 It is fixed on lower case 2, meanwhile, the sealing element 112 between upper housing 1, lower case 2 is compressed, to ensure leakproofness between the two.
Specifically, which may include connection bolt 31 and nut 32, and nut 32 can pass through welding, riveting The modes such as connect and be installed on lower case 2 in advance, to improve installation effectiveness, connection bolt 31 can pass through connecting hole 113, with nut 32 are connected.
In conjunction with Fig. 4, lower case 2 can may exist several by squeeze cast form, peripheral wall in the up-down direction The cavity 21 at interval, to mitigate the weight of lower case 2, and the roof of cavity 21, bottom wall can be used as the presence of reinforcing beam, be used for Improve the intensity of peripheral wall.It is designed based on this structure, nut 32 can be fixed on the top of top layer's cavity 21 by staking technique Wall.
Annular groove 111 above-mentioned also can be set in lower case 2, specifically may be used other than it can be set in ring flat-plate portion 11 With in the interface in lower case 2 Yu ring flat-plate portion 11 setting at least annular groove 111 together, for installing sealing element 112 above-mentioned.It needs The annular groove 111 of the lower case 2 it is noted that position that connecting component 3 passes through lower case 2 will also be staggered, to avoid causing to be installed on The structure of the sealing element 112 of lower case 2 is excessively complicated.
The utility model also provides a kind of battery pack, including shell, which can be for involved by the respective embodiments described above And battery pack shell.
Since the shell of above-mentioned battery pack has been provided with technical effect as above, then, the battery pack with the shell Also when having similar technical effect, therefore this will not be repeated here.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of upper housing of battery pack, which is characterized in that the upper housing (1) is through integrated injection molding, including base layer (1a) and the resin layer (1b) for being located at the two sides up and down the base layer (1a), the base layer (1a) are metal mesh;
The outer rim of the upper housing (1) has the ring flat-plate portion (11) extended radially outward, the lower surface of the ring flat-plate portion (11) Equipped at least one of annular groove (111), for installing sealing element (112), and the ring flat-plate portion (11) is not provided with the annular groove (111) Position be additionally provided with circumferentially spaced several connecting holes (113).
2. the upper housing of battery pack according to claim 1, which is characterized in that each connecting hole (113) is respectively positioned on described The outside of annular groove (111), the sealing element (112) are sealant.
3. the upper housing of battery pack according to claim 1, which is characterized in that the outer rim of the ring flat-plate portion (11) be additionally provided with to The turnover panel portion (12) of lower extension.
4. the upper housing of battery pack according to claim 1, which is characterized in that the metal mesh is steel wire.
5. a kind of shell of battery pack, including upper housing (1) and lower case (2), which is characterized in that the upper housing (1) is power Benefit requires the upper housing (1) of battery pack described in any one of 1-4;
It further include connecting component (3), the connecting component (3) can pass through the connecting hole (113), by the upper housing (1) it is fixed on the lower case (2).
6. the shell of battery pack according to claim 5, which is characterized in that the connecting component (3) includes connection bolt (31) it is installed on the lower case (2) with nut (32), the nut (32), the connection bolt (31) can pass through the company Hole (113) are connect, to be connected with the nut (32).
7. the shell of battery pack according to claim 6, which is characterized in that the lower case (2) passes through squeeze cast form, There is the cavity (21) at several intervals in the up-down direction in its peripheral wall.
8. the shell of battery pack according to claim 7, which is characterized in that the nut (32) is fixed on by staking technique The roof of cavity described in top layer (21).
9. the shell of battery pack according to claim 5, which is characterized in that the lower case (2) and the ring flat-plate portion (11) Interface also be provided at least together the annular groove (111), for installing the sealing element (112), the connecting component (3) is worn The position for crossing the lower case (2) is staggered the annular groove (111) of the lower case (2).
10. a kind of battery pack, including shell, which is characterized in that the shell is battery pack described in any one of claim 5-9 Shell.
CN201920569900.6U 2019-04-24 2019-04-24 A kind of battery pack and its shell, upper housing Active CN209626288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920569900.6U CN209626288U (en) 2019-04-24 2019-04-24 A kind of battery pack and its shell, upper housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920569900.6U CN209626288U (en) 2019-04-24 2019-04-24 A kind of battery pack and its shell, upper housing

Publications (1)

Publication Number Publication Date
CN209626288U true CN209626288U (en) 2019-11-12

Family

ID=68458889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920569900.6U Active CN209626288U (en) 2019-04-24 2019-04-24 A kind of battery pack and its shell, upper housing

Country Status (1)

Country Link
CN (1) CN209626288U (en)

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