CN207558872U - Battery pack housing and battery pack - Google Patents
Battery pack housing and battery pack Download PDFInfo
- Publication number
- CN207558872U CN207558872U CN201721632845.8U CN201721632845U CN207558872U CN 207558872 U CN207558872 U CN 207558872U CN 201721632845 U CN201721632845 U CN 201721632845U CN 207558872 U CN207558872 U CN 207558872U
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- CN
- China
- Prior art keywords
- shell
- nut
- battery pack
- fixing groove
- pack housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of battery pack housing and battery pack, wherein battery pack housing includes：First shell and second shell.The first shell and the second shell are fixed to one another by fastening assembly, and the fastening assembly includes：Screw bolt and nut, the nut has the nut screw hole being connect with the bolt thread, fixing groove is provided in wherein described first shell, the nut insertion is fixed in the fixing groove, the bolt wears the second shell and is connect with the nut thread in the fixing groove, so as to fasten the first shell and the second shell.The battery pack housing is plastic casing, and processing technology is simple in injection molding, can improve injection molding beat, reduces product fraction defective.
Description
Technical field
The utility model is related to technical field of vehicle, in particular to a kind of battery pack housing and battery pack.
Background technology
The power battery pack of traditional 48V non-metal shells (plastic casing), because sealing flange needs are bolted, so one
As using being directly molded or being cold-pressed or the installation of hot pressing mode completion nut or bolt, but there are problem, reasons for such technique
It is that part material thickness is easy to cause in technique, formed product is difficult, and there are rooms for improvement.
Utility model content
In view of this, the utility model is directed to a kind of battery pack housing, which is plastic casing, and
Processing technology is simple during injection molding, can improve injection molding beat, reduces product fraction defective.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of battery pack housing, including：First shell and second shell, the first shell and the second shell pass through
Fastening assembly is fixed to one another, and the fastening assembly includes：Screw bolt and nut, the nut have what is connect with the bolt thread
Nut screw hole, wherein being provided with fixing groove in the first shell, the nut insertion is fixed in the fixing groove, the spiral shell
Bolt wears the second shell and is connect with the nut thread in the fixing groove, so as to fasten the first shell and institute
State second shell.
Further, the fixing groove has nut insert port and bolt escape groove, and the bolt escape groove is located at described solid
Determine the side of the direction second shell of slot.
Further, the nut insert port is vertical with the bolt escape groove, and the nut insert port is located at the fixation
The side of slot.
Further, the nut includes：Fixed part and annular flange portion, the fixed part are fixed in the fixing groove,
The annular flange portion is arranged on the side of the direction second shell of the fixed part, and the annular flange portion is integrally received
Be contained in the bolt escape groove or the annular flange portion protrude the bolt escape groove towards the second shell.
Further, the peripheral surface of the fixed part is configured to rotation stop type face.
Further, the nut screw hole is the tapped blind hole being formed in the annular flange portion；Or the nut spiral shell
Hole is the tapped through hole being formed on the annular flange portion and the fixed part.
Further, fin is provided in the fixing groove, the fin only supports the fixed part, so that the fixation
Portion is interference fitted in the fixing groove.
Further, the fin is inserted into the direction of insertion extension of the fixing groove along the nut.
Further, the fin is separately positioned on the first side wall, second sidewall and the third side wall of the fixing groove, institute
It states second sidewall and the third side wall is vertically connected on the both sides of the first side wall, the first side wall is and the bolt
The wall of escape groove face.
Relative to the prior art, battery pack housing described in the utility model has the advantage that：
(1) battery pack housing described in the utility model, which is plastic casing, and is added in injection molding
Work is simple for process, can improve injection molding beat, reduces product fraction defective.
The another object of the utility model is to propose a kind of battery pack, including above-mentioned battery pack housing, the battery pack
For plastic material, and processing technology is simple in injection molding, can improve injection molding beat, reduces product fraction defective.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the structure diagram according to the battery pack housing of the utility model embodiment；
Fig. 2 is the partial schematic diagram according to the battery pack housing of the utility model embodiment；
Fig. 3 is the sectional perspective schematic diagram according to the battery pack housing of the utility model embodiment；
Fig. 4 is the partial enlarged view of Fig. 1；
Fig. 5 is the partial schematic diagram according to the battery pack housing of the utility model embodiment；
Fig. 6 is the partial schematic diagram according to the battery pack housing of the utility model embodiment.
Reference sign：
100- battery pack housings, 1- first shells, 2- second shells, 3- fastening assemblies, 31- bolts, 32- nuts, 321-
Nut screw hole, 11- fixing grooves, 111- nut insert ports, 112- bolt escape groove, 322- fixed parts, 323- annular flange portions,
3221- rotation stop types face, 113- fins, 114- the first side walls, 115- second sidewalls, 116- third side walls, the installation of 12- first shells
Flange.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
Below with reference to Fig. 1-Fig. 6 descriptions according to the battery pack housing 100 of the utility model embodiment.
It can be included according to the battery pack housing 100 of the utility model embodiment：First shell 1 and second shell 2.
As shown in figs 1 to 6, first shell 1 and second shell 2 are fixed to one another by fastening assembly 3.Specifically, first shell
Body 1 is lower housing, and second shell 2 is upper shell, and upper shell and lower housing are plastic casing, and pass through integrally formed
It is made, upper shell can be fixed to one another with lower housing by fastening assembly 3.
Further, fastening assembly 3 includes：Bolt 31 and nut 32, nut 32 have the nut being threadedly coupled with bolt 31
Screw hole 321, when first shell 1 is combined with second shell 2 it is fixed when, bolt 31 can be penetrated from nut screw hole 321 with nut 32 into
Row is fixed, and then fixed first shell 1 and second shell 2.
Wherein, fixing groove 11 is provided in first shell 1, the insertion of nut 32 is fixed in fixing groove 11, and bolt 31 is worn
Second shell 2 is simultaneously threadedly coupled with the nut 32 in fixing groove 11, so as to fasten first shell 1 and second shell 2.Specifically,
Fixing groove 11 is multiple, is distributed in the lower section of first shell mounting flange 12, and multiple fixing grooves 11 are about battery pack housing 100
Neutrality line it is symmetrical, when can make fixed battery pack housing 100 as a result, battery pack housing 100 is force-applied uniformly.
Since fixing groove 11 is symmetrical about the neutrality line of battery pack housing 100, when first shell 1 and second shell 2
When being fastened by fastening assembly 3, battery pack is clamped power and fixes in the direction of the width, and nut 32 therefore will not be from fixing groove 11
It detaches.Again since nut 32 is fixed in fixing groove 11, the displacement on the length direction of battery pack housing 100 of nut 32
It is limited, therefore, battery pack housing 100 is in the longitudinal direction by firm fixation.
In conclusion nut 32 is fixed in fixing groove 11, bolt 31 and nut 32 are matched for clamping tightly fixation in addition, by the
One housing 1 is fastened in all directions with second shell 2, makes what first shell 1 and second shell 2 can be firm to consolidate as a result,
It is scheduled on together, and then makes the fixed effect of battery pack housing 100 more preferable.Simultaneously as 32 parts processing of nut, is fixed with embedded
The mode of slot 11 is fitted into fixing groove, therefore corresponding flange wall can make relatively thin, the traditional heavy wall molding of solution on housing
Difficult problem.
Further, nut 32, which is adapted for insertion into, is fixed in fixing groove 11, and each fixing groove 11 is adapted for insertion into a spiral shell
Mother 32 is provided with flange installation through-hole, and flange installation through-hole and 11 face of fixing groove in second shell 2, is convenient for as a result,
Bolt 31 carries out cooperation fixation with nut 32.Bolt 31 is suitable for initially passing through flange installation through-hole, then with plugged and fixed in fixation
Nut 32 in slot 11 carries out threaded connection fixation, and then fastens first shell 1 and second shell 2.
Preferably, the quantity of setting fixing groove 11 can be determined according to the size of battery pack housing 100, electricity can be made as a result,
The fixed effect of pond pack housing 100 is more preferable, and sets rationally, can reach good weight loss effect.
It is understood that the battery pack housing 100 of conventional plastic material is thicker fixed block at this fixing groove 11,
In injection molding since part material thickness, formed product difficulty, easy topic lead to molding failure, consuming raw material and working hour herein.
The fixing groove 11 of split and the connection shape of nut 32 will be made at the thickness of part in the battery pack housing 100 of the utility model embodiment
Formula can be such that battery pack housing 100 is more prone in injection molding, can effectively reduce defect rate, and not influence battery involucrum
The connection fixed effect of body 100.
According to the battery pack housing 100 of the utility model embodiment, which is plastic casing, and is being noted
Processing technology is simple when being moulded into type, can improve injection molding beat, reduces product fraction defective.
With reference to Fig. 2, Fig. 3, Fig. 5 and Fig. 6, fixing groove 11 has nut insert port 111 and bolt escape groove 112, and bolt is kept away
Slot 112 is allowed to be located at the side towards second shell 2 of fixing groove 11.Specifically, nut insert port 111 be suitable for nut 32 with
Type, and nut 32 is suitable for being inserted into fixing groove 11 by nut insert port 111, is inserted into installation convenient for nut 32 as a result, and fixes
In fixing groove 11, and then convenient for the fixation of first shell 1 and second shell 2.Bolt escape groove 112 is is formed in first shell
Semi-circular trepanning on mounting flange 12, and positioned at the top of fixing groove 11.
Specifically, nut insert port 111 is vertical with bolt escape groove 112, and nut insert port 111 is located at the side of fixing groove 11
Face.As a result, when nut 32 is inserted into from nut insert port 111 in fixing groove 11, nut 32 is parallel to first shell mounting flange
12 fix, and 321 face flange installation through-hole of nut screw hole, pass through flange installation through-hole and spiral shell as a result, convenient for bolt 31
Mother 32 is fixed, and then fastens first shell 1 and second shell 2, and the fixed effect for making battery pack housing 100 as a result, is more preferable.
With reference to Fig. 1-embodiment illustrated in fig. 6, nut 32 includes：Fixed part 322 and annular flange portion 323, fixed part 322 are solid
Be scheduled in fixing groove 11, annular flange portion 323 be arranged on fixed part 322 towards on the side of second shell 2.Specifically, ring
Shape flange part 323 is arranged on the top of fixed part 322, when nut 32 is fixed on from the insertion of nut insert port 111 in fixing groove 11
When, fixed part 322 is fixed in fixing groove 11, and annular flange portion 323 then coordinates in bolt escape groove 112.Annular flange
Portion 323 can not only increase the intensity of fixed part 322, and can also increase the length of fit with bolt, promote fixed reliability.
Preferably, together with fixed part 322 is molded together with annular flange portion 323, the structure of nut 32 can be made more as a result,
Compact, intensity bigger can bear the pretightning force of bigger, and then the fixation of battery pack housing 100 can be made more firm.
Some embodiments according to the present utility model, annular flange portion 323 is whole to be accommodated in bolt escape groove 112.
Other embodiments according to the present utility model, annular flange portion 323 protrude bolt escape groove towards second shell 2
112.First shell 1 and second shell 2 be may be such that as a result, when attaching together fixed, annular flange portion 323 is clamped in first shell 1
Between second shell 2, it is made to be primarily subjected to contact force when first shell 1 is fastened with second shell 2, battery pack housing can be made
100 fixed effect is more preferable.
As shown in fig. 6, the peripheral surface of fixed part 322 is configured to rotation stop type face 3221.Specifically, rotation stop type face 3221 is length
Square body, when nut 32 is inserted into from nut insert port 111 in fixing groove 11, since the rotation stop in rotation stop type face 3221 acts on, spiral shell
Mother 32 itself cannot be rotated in fixing groove 11 again, can be avoided the rotation of nut 32 that bolt 31 is driven to rotate as a result, be avoided fastening
The phenomenon that 3 pine set of component, make 100 fixed effect of battery pack housing more preferable.
Preferably, chamfering or rounded corner setting can be carried out at the vertical seamed edge in the four sides of fixed part 322, as a result, so as to spiral shell
Mother 32 can be smoothly inserted into fixing groove 11, the phenomenon that avoiding that interim card occurs in assembling, influence to assemble beat.
With reference to Fig. 5 and Fig. 6, nut screw hole 321 is the tapped blind hole being formed in annular flange portion 323；Or nut spiral shell
Hole 321 is the tapped through hole being formed on annular flange portion 323 and fixed part 322.It as a result, can be according to battery pack housing 100
Concrete structure and effect rationally realize different functional requirements.
With reference to Fig. 1-embodiment illustrated in fig. 6, fin 113 is provided in fixing groove 11, fin 113 only supports fixed part 322, from
And fixed part 322 is interference fitted in fixing groove 11.Setting fin 113 act as realize interference when assembling nut 32
Assembling, i.e., fin 113 has small interference to nut 32 during nut 32 is inserted into fixing groove 11, by nut 32 to fin
113 extruding cause fin 113 to deform upon, and to ensure that the two is combined closely, therefore, nut 32 will not occur loose or dislocation and show
As.
Further, fin 113 is inserted into the direction of insertion extension of fixing groove 11 along nut 32, and in other words, fin 113 is set
The direction of insertion for being oriented parallel to the width direction of battery pack housing 100 also parallel with the insertion fixing groove 11 of nut 32 is put, as a result,
Convenient for nut 32 from nut insert port 111 be inserted into fixing groove 11, and can ensure nut 32 can face nut insert port 111 insert
Enter, the assembling for making nut 32 is more smooth.
Specifically, fin 113 is separately positioned on the first side wall 114, second sidewall 115 and the third side wall of fixing groove 11
On 116, second sidewall 115 and third side wall 116 are vertically connected on the both sides of the first side wall 114, and the first side wall 114 is and bolt
The wall of 112 face of escape groove.Thus, it is ensured that the force-applied balance after being inserted into fixing groove 11 of nut 32, and in fin
Under 113 elastic restoring force squeezes, nut 32 can keeping parallelism first shell mounting flange 12 set, and then ensure that bolt 31 can
Thread fitting is carried out with nut 32, causes battery pack housing 100 that can be fastened.
According to the battery pack of the utility model another aspect embodiment, including the battery pack housing described in above-described embodiment
100.For battery pack other constructions such as battery modules for the prior art and be that those skilled in the art is ripe
Know, therefore do not elaborate for other constructions of battery pack here.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of battery pack housing (100), which is characterized in that including：
First shell (1) and second shell (2), the first shell (1) and the second shell (2) pass through fastening assembly (3)
It is fixed to one another, the fastening assembly (3) includes：Bolt (31) and nut (32), the nut (32) have and the bolt
(31) the nut screw hole (321) being threadedly coupled, wherein being provided with fixing groove (11), the nut in the first shell (1)
(32) be inserted into and be fixed in the fixing groove (11), the bolt (31) wear the second shell (2) and with the fixing groove
(11) nut (32) in is threadedly coupled, so as to fasten the first shell (1) and the second shell (2).
2. battery pack housing (100) according to claim 1, which is characterized in that the fixing groove (11) is inserted with nut
Entrance (111) and bolt escape groove (112), the bolt escape groove (112) is positioned at the direction of the fixing groove (11) described
The side of two housings (2).
3. battery pack housing (100) according to claim 2, which is characterized in that the nut insert port (111) with it is described
Vertically, the nut insert port (111) is positioned at the side of the fixing groove (11) for bolt escape groove (112).
4. battery pack housing (100) according to claim 2, which is characterized in that the nut (32) includes：Fixed part
(322) it is fixed in the fixing groove (11) with annular flange portion (323), the fixed part (322), the annular flange portion
(323) it is arranged on the side of the direction second shell (2) of the fixed part (322), the annular flange portion (323) is whole
Body is accommodated in the bolt escape groove (112) or the annular flange portion (323) point ground is prominent towards the second shell (2)
Go out the bolt escape groove (112).
5. battery pack housing (100) according to claim 4, which is characterized in that the peripheral surface structure of the fixed part (322)
Face (3221) are made the transition until making.
6. battery pack housing (100) according to claim 4, which is characterized in that the nut screw hole (321) is is formed in
Tapped blind hole on the annular flange portion (323)；Or the nut screw hole (321) is is formed in the annular flange portion
(323) and the tapped through hole on the fixed part (322).
7. battery pack housing (100) according to claim 4, which is characterized in that be provided in the fixing groove (11) convex
Rib (113), the fin (113) only supports the fixed part (322), so that the fixed part (322) is interference fitted in institute
It states in fixing groove (11).
8. battery pack housing (100) according to claim 7, which is characterized in that the fin (113) is along the nut
(32) it is inserted into the direction of insertion extension of the fixing groove (11).
9. battery pack housing (100) according to claim 7, which is characterized in that the fin (113) is separately positioned on institute
It states on the first side wall (114), second sidewall (115) and the third side wall (116) of fixing groove (11), the second sidewall (115)
Be vertically connected on the both sides of the first side wall (114) with the third side wall (116), the first side wall (114) for institute
State the wall of bolt escape groove (112) face.
10. a kind of battery pack, which is characterized in that including the battery pack housing according to any one of claim 1-9
(100)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632845.8U CN207558872U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632845.8U CN207558872U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558872U true CN207558872U (en) | 2018-06-29 |
Family
ID=62678366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721632845.8U Active CN207558872U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558872U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| WO2021110245A1 (en) | 2019-12-03 | 2021-06-10 | Webasto SE | Positioning unit for slot nuts |
| CN113611970A (en) * | 2021-04-22 | 2021-11-05 | 唐腊辉 | Ultrasonic battery outer casing device capable of cavitating and heating battery |
| CN114335867A (en) * | 2021-12-31 | 2022-04-12 | 大富科技(安徽)股份有限公司 | Power battery pack shell and manufacturing process thereof |
| CN109050234B (en) * | 2018-09-10 | 2024-09-03 | 一汽-大众汽车有限公司 | Power battery package fixing device and car |
-
2017
- 2017-11-29 CN CN201721632845.8U patent/CN207558872U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| CN109050234B (en) * | 2018-09-10 | 2024-09-03 | 一汽-大众汽车有限公司 | Power battery package fixing device and car |
| WO2021110245A1 (en) | 2019-12-03 | 2021-06-10 | Webasto SE | Positioning unit for slot nuts |
| DE112019007932T5 (en) | 2019-12-03 | 2022-10-13 | Webasto SE | Positioning unit for sliding blocks |
| CN113611970A (en) * | 2021-04-22 | 2021-11-05 | 唐腊辉 | Ultrasonic battery outer casing device capable of cavitating and heating battery |
| CN114335867A (en) * | 2021-12-31 | 2022-04-12 | 大富科技(安徽)股份有限公司 | Power battery pack shell and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: GREAT WALL MOTOR Co.,Ltd. |