CN204809294U - Fastening structure is connected to battery module - Google Patents
Fastening structure is connected to battery module Download PDFInfo
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- CN204809294U CN204809294U CN201520445734.0U CN201520445734U CN204809294U CN 204809294 U CN204809294 U CN 204809294U CN 201520445734 U CN201520445734 U CN 201520445734U CN 204809294 U CN204809294 U CN 204809294U
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- adapter sleeve
- metal adapter
- described metal
- screw
- battery modules
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of the battery module, concretely relates to fastening structure is connected to battery module, including plastic insulation board, screw and locknut, be provided with the metal adapter sleeve on the plastic insulation board, the metal adapter sleeve with the screw matches. The metal adapter sleeve that sets up on the plastic insulation board has stronger yield strength and tensile strength, therefore inserts the screw of metal adapter sleeve is in be difficult for spinning in the metal adapter sleeve, through the metal adapter sleeve has increased the stress of plastic insulation board to satisfy locknut's torsion requirement, and then guarantee the firm connection between the battery module electricity core, avoid the nut pine to take off, reduce contact resistance, prevent that yin songtuo from resulting in contact resistance to increase and generating heat of causing, avoid the high temperature and take place great incident.
Description
Technical field
The utility model belongs to battery modules technical field, is specifically related to a kind of battery modules connection fastening structure.
Background technology
Along with people are to the continuous exploitation of earth resource and utilization, make earth resource be in deficient state gradually at present, therefore, energy savings, environmental protection have become international theme.And along with the raising of people's living standard, automobile is more and more universal, and current most automobile still adopts fuel oil as power source, and in order to energy savings, electric automobile has started to popularize gradually.
Electric automobile take battery modules as power source, and battery modules is according to demanded power output, is combined by the connection in series-parallel of multiple monomer battery core.Export in positive and negative connected mode at module, generally have lock bolt and fast slotting two kinds of modes; Due to the mode of inserting soon, cost is higher, reliability aspect is poor, so lock bolt compares main flow now; Lock bolt mainly adopts the mode of inlaid screw on plastic cement insulation board, because module both positive and negative polarity outgoing position needs super-high-current, so require higher in coupling mechanism force, can not occur loosening; The stop nut of present employing, generally has the requirement of torsion, and in other words, locking torque value reaches certain degree, and anti-loosing effect just can play a role.
The stop nut of present use, require that torque value is general all larger, and inlaid screw is all generally be embedded in inside plastic cement, the stress that can bear is lower, is difficult to the requirement meeting stop nut torque value; In the middle of reality uses, cannot reach the requirement of locking torque value, the situation that anti-loosing effect lost efficacy probably occurs, and cause nut loosening, contact resistance is increased, then generates heat, temperature is too high and great security incident occurs.
As shown in Figure 9, in prior art, screw 2 is directly embedded on plastic cement insulation board 1, in order to ensure the assembling of screw 2, gap 5 can be left between screw 2 and plastic cement insulation board 1, when screw 2 is locked with stop nut 3 time, screw 2 has certain rotation, make only angular between screw 2 with plastic cement insulation board 1 contact, and, directly contact with one of plastics because screw 2 and plastic cement insulation board 1 are metals, due to the yield strength of plastic cement insulation board 1 and tensile strength lower, screw 2 is easy to spin when rotating, brace 6 can not be locked, the battery core loose contact in battery modules or contact resistance is caused to increase.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, a kind of battery modules connection fastening structure is provided, improve the stress between plastic cement insulation board and screw, prevent screw from spinning on plastic cement insulation board, ensure the torsion of stop nut, thus ensure the firm connection between battery modules battery core.
To achieve these goals, the utility model adopts following technical scheme:
A kind of battery modules connection fastening structure, comprises plastic cement insulation board, screw and stop nut, described plastic cement insulation board is provided with metal adapter sleeve, described metal adapter sleeve and described screw mates.Middle screw is directly embedded in the mode on plastic cement insulation board compared to existing technology, the metal adapter sleeve that plastic cement insulation board is arranged has stronger yield strength and tensile strength, thus the screw inserting described metal adapter sleeve not easily spins in described metal adapter sleeve, by described metal adapter sleeve, increase the stress of described plastic cement insulation board, thus meet the torque requiremnt of stop nut, and then ensure the firm connection between battery modules battery core.
As a kind of improvement of battery modules connection fastening structure, described metal adapter sleeve hot melt is embedded on described plastic cement insulation board.The mode that hot melt is inlayed, is easy to realize, is conveniently arranged on described plastic cement insulation board by described metal adapter sleeve.
As a kind of improvement of battery modules connection fastening structure, described metal adapter sleeve and described plastic cement insulation board integrated injection molding.The mode of integrated injection molding, makes described metal adapter sleeve and described plastic cement insulation board stable connection, improves the stress of plastic cement insulation board further.
As a kind of improvement of battery modules connection fastening structure, described metal adapter sleeve is fastening copper sheathing.Fastening copper sheathing has stronger yield strength and tensile strength, can meet the torque requiremnt of stop nut.
As a kind of improvement of battery modules connection fastening structure, described metal adapter sleeve is fastening iron cover.Fastening iron cover has stronger yield strength and tensile strength, can meet the torque requiremnt of stop nut.
As a kind of improvement of battery modules connection fastening structure, described metal adapter sleeve is fastening steel bushing.Fastening steel cover has stronger yield strength and tensile strength, can meet the torque requiremnt of stop nut.
As a kind of improvement of battery modules connection fastening structure, the inside casing of described metal adapter sleeve is the regular polygon on 4 to 12 limits, and the housing of described metal adapter sleeve is 4 to 12 angle stars.The inside casing of described metal adapter sleeve is set to the regular polygon on 4 to 12 limits, make it possible to use with corresponding screw mates, the housing of described metal adapter sleeve is set to 4 to 12 angle stars, makes described plastic cement insulation board and described metal adapter sleeve contact position uniform force.
As a kind of improvement of battery modules connection fastening structure, the inside casing of described metal adapter sleeve is regular hexagon, and the housing of described metal adapter sleeve is 12 jiaos of stars, and described screw is the outer-hexagonal bolts corresponding with described metal adapter sleeve inside casing shape.Outer-hexagonal bolts is common screw, the inside casing of described metal adapter sleeve is set to regular hexagon, improves the applicability of described metal adapter sleeve, and the housing of described metal adapter sleeve is set to 12 jiaos of stars, described metal adapter sleeve can be made firmly to connect, not easily spin and come off.
As a kind of improvement of battery modules connection fastening structure, the inside casing of the firm cover of described metal is square, and the housing of described metal adapter sleeve is anistree star, and described screw is the outer corner screw corresponding with described metal adapter sleeve inside casing shape.
As a kind of improvement of battery modules connection fastening structure, the inside casing of the firm cover of described metal is octagon, and the housing of described metal adapter sleeve is 12 jiaos of stars, and described screw is the outer anistree screw corresponding with described metal adapter sleeve inside casing shape.
The beneficial effects of the utility model are: provide a kind of battery modules connection fastening structure, comprise plastic cement insulation board, screw and stop nut, and described plastic cement insulation board is provided with metal adapter sleeve, described metal adapter sleeve and described screw mates.Middle screw is directly embedded in the mode on plastic cement insulation board compared to existing technology, the metal adapter sleeve that plastic cement insulation board is arranged has stronger yield strength and tensile strength, thus the screw inserting described metal adapter sleeve not easily spins in described metal adapter sleeve, by described metal adapter sleeve, increase the stress of described plastic cement insulation board, thus meet the torque requiremnt of stop nut, and then the firm connection between guarantee battery modules battery core, nut is avoided to get loose, reduce contact resistance, prevent from causing because getting loose contact resistance to increase and the heating that causes, avoid temperature too high and great security incident occurs.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the application of the utility model on plastic cement insulation board.
Fig. 2 is the structural representation two of the application of the utility model on plastic cement insulation board.
Fig. 3 is one of the utility model application structure schematic diagram on connecting plate.
Fig. 4 is the application structure schematic diagram two of the utility model on connecting plate.
Fig. 5 is A-A1 cutaway view in Fig. 4.
Fig. 6 is one of structural representation of metal adapter sleeve.
Fig. 7 is the structural representation two of metal adapter sleeve.
Fig. 8 is the structural representation three of metal adapter sleeve.
Fig. 9 is the structural representation of battery modules connection fastening structure in prior art.
Wherein, 1. plastic cement insulation board, 2. screw, 3. stop nut, 4. metal adapter sleeve, 5. gap, 6. brace.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model and beneficial effect thereof are described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figures 1 to 6, a kind of battery modules connection fastening structure, comprise plastic cement insulation board 1, screw 2 and stop nut 3, plastic cement insulation board 1 is provided with metal adapter sleeve 4, metal adapter sleeve 4 is copper fastening copper sheathing, the fastening iron cover of irony or the fastening steel bushing of steel, metal adapter sleeve 4 mates with screw 2, metal adapter sleeve 4 and plastic cement insulation board 1 integrated injection molding, or hot melt is embedded on plastic cement insulation board 1, the inside casing of metal adapter sleeve 4 is regular hexagon, the housing of metal adapter sleeve 4 is 12 jiaos of stars, screw 2 is the outer-hexagonal bolts corresponding with metal adapter sleeve 4 inside casing shape.
In present embodiment, on plastic cement insulation board 1, hot melt or integrated injection molding have metal adapter sleeve 4, thus compact siro spinning technology between metal adapter sleeve 4 and plastic cement insulation board 1, there is not gap 5, thus can dispersive stress, and, metal adapter sleeve 4 is metal material, compare plastic material, there is stronger yield strength and tensile strength, screw 2 not easily spins, can effectively lock brace 6, thus meet the torque requiremnt of stop nut 3, and then the firm connection between guarantee battery modules battery core, stop nut 3 is avoided to get loose, reduce contact resistance, prevent from causing because getting loose contact resistance to increase and the heating that causes, avoid temperature too high and great security incident occurs.
In addition, as shown in FIG. 7 and 8, metal adapter sleeve 4 also can be inside casing is square, and housing is anistree star, and screw 2 is the outer corner screw corresponding with metal adapter sleeve 4 inside casing shape.Or metal adapter sleeve 4 inside casing is octagon, housing is 12 jiaos of stars, and screw 2 is the outer anistree screw corresponding with metal adapter sleeve 4 inside casing shape.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement of every those skilled in the art done by basis of the present utility model, replacement or modification all belong to protection range of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a battery modules connection fastening structure, comprises plastic cement insulation board, screw and stop nut, it is characterized in that: described plastic cement insulation board is provided with metal adapter sleeve, described metal adapter sleeve and described screw mates.
2. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: described metal adapter sleeve hot melt is embedded on described plastic cement insulation board.
3. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: described metal adapter sleeve and described plastic cement insulation board integrated injection molding.
4. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: described metal adapter sleeve is fastening copper sheathing.
5. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: described metal adapter sleeve is fastening iron cover.
6. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: described metal adapter sleeve is fastening steel bushing.
7. a kind of battery modules connection fastening structure according to claim 1, is characterized in that: the inside casing of described metal adapter sleeve is the regular polygon on 4 to 12 limits, and the housing of described metal adapter sleeve is 4 to 12 angle stars.
8. a kind of battery modules connection fastening structure according to claim 1, it is characterized in that: the inside casing of described metal adapter sleeve is regular hexagon, the housing of described metal adapter sleeve is 12 jiaos of stars, and described screw is the outer-hexagonal bolts corresponding with described metal adapter sleeve inside casing shape.
9. a kind of battery modules connection fastening structure according to claim 1, it is characterized in that: the inside casing of the firm cover of described metal is square, the housing of described metal adapter sleeve is anistree star, and described screw is the outer corner screw corresponding with described metal adapter sleeve inside casing shape.
10. a kind of battery modules connection fastening structure according to claim 1, it is characterized in that: the inside casing of the firm cover of described metal is octagon, the housing of described metal adapter sleeve is 12 jiaos of stars, and described screw is the outer anistree screw corresponding with described metal adapter sleeve inside casing shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445734.0U CN204809294U (en) | 2015-06-26 | 2015-06-26 | Fastening structure is connected to battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445734.0U CN204809294U (en) | 2015-06-26 | 2015-06-26 | Fastening structure is connected to battery module |
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| Publication Number | Publication Date |
|---|---|
| CN204809294U true CN204809294U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520445734.0U Active CN204809294U (en) | 2015-06-26 | 2015-06-26 | Fastening structure is connected to battery module |
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| Country | Link |
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| CN (1) | CN204809294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10971784B2 (en) | 2017-07-18 | 2021-04-06 | Contemporary Amperex Technology Co., Limited | Battery module |
| CN112928372A (en) * | 2019-11-21 | 2021-06-08 | 恒大新能源技术(深圳)有限公司 | Battery module and battery package |
-
2015
- 2015-06-26 CN CN201520445734.0U patent/CN204809294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10971784B2 (en) | 2017-07-18 | 2021-04-06 | Contemporary Amperex Technology Co., Limited | Battery module |
| CN112928372A (en) * | 2019-11-21 | 2021-06-08 | 恒大新能源技术(深圳)有限公司 | Battery module and battery package |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 West Building 1F- research Patentee before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |