CN111409568A - Protective structure in connection structure of battery pack and motor - Google Patents
Protective structure in connection structure of battery pack and motor Download PDFInfo
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- CN111409568A CN111409568A CN202010157351.9A CN202010157351A CN111409568A CN 111409568 A CN111409568 A CN 111409568A CN 202010157351 A CN202010157351 A CN 202010157351A CN 111409568 A CN111409568 A CN 111409568A
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- protection
- battery pack
- plate
- bottom plate
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A protection structure in a connection structure of a battery pack and a motor comprises a protection plate, a bottom plate connection bolt, a protection plate mounting support, a stud sleeve, a rubber bushing and an auxiliary frame connection bolt. The one end of guard plate and the one end of chassis sub vehicle frame pass through sub vehicle frame connecting bolt and link to each other, and the guard plate installing support that the other end of guard plate and the bottom plate of battery package protective frame linked firmly together passes through bottom plate connecting bolt and links to each other. The battery pack protection structure utilizes the protection plate to replace the existing scratch-proof beam structure arranged at the front part of the battery pack, is easy to process, manufacture and install, is convenient to adapt to different vehicle types, and has low noise, large protection area and good protection effect.
Description
Technical Field
The invention relates to the technical field of electric vehicle battery packs, in particular to a protection structure of a high-voltage connector in a connection structure of an electric vehicle battery pack and a motor.
Background
The power battery pack of the electric vehicle is generally laid at the bottom of the middle rear part of the vehicle, the motor is arranged in the front cabin, and the power battery pack is connected with the motor through a high-voltage connector.
The invention patent document entitled "a mounting system for an electric vehicle battery pack" having publication No. CN 106080778B discloses a mounting system for an electric vehicle battery pack: comprises a frame, a battery, a front floor and a rear floor which form a cavity structure with the frame, the battery is fixedly arranged in the cavity, the frame comprises a left rear floor beam welding piece and a right rear floor beam welding piece which form a double-layer structure with the rear floor beam, the rear floor beam, the left rear floor beam welding piece and the right rear floor beam welding piece are respectively and inertially communicated with the left rear crossbeam, the right rear crossbeam, the front reinforcing plate of the left rear crossbeam and the front reinforcing plate of the right rear crossbeam, the frame also comprises a left front floor beam and a right front floor beam which are respectively arranged on the left front girder and the right front girder, a partition is formed between the left front floor beam and the right front floor beam, an installation system of the battery pack is of a C-shaped structure, the upper half part of the installation system is of an enclosing structure to form a protection cavity, a cavity structure is formed vertically, and batteries are arranged in the cavity to form a reliable and stable protection structure. "but not to the protection structure problem of the high-voltage connector in the connection structure of the battery pack and the motor.
In fact, the front of the battery pack is generally provided with a scratch-resistant structure to protect the battery pack and the corresponding high-voltage connector structure in the extreme working condition. At present, the mainstream scratch-resistant structure is a beam structure, which has a simple structure but has certain limitation on the peripheral boundary, for example, when the Z-direction fall or the X-direction distance between the auxiliary frame and the battery pack is large, the beam structure often has the problem of structural redundancy or fails to play an effective protection role.
Disclosure of Invention
The invention mainly aims to provide a high-voltage connector in a connection structure of a battery pack and a motor of an electric vehicle, which can effectively prevent the high-voltage connector from being seriously damaged in the limit working condition to cause the occurrence of the electrical safety problem.
The technical scheme adopted by the invention is as follows: a protective structure in a connection structure of a battery pack and a motor comprises a protective plate. The one end of guard plate and the one end of chassis sub vehicle frame pass through sub vehicle frame connecting bolt and link to each other, and the other end of guard plate and the bottom plate of battery package protective frame pass through bottom plate connecting bolt and link to each other.
The battery pack protection structure utilizes the protection plate to replace the existing scratch-proof beam structure arranged at the front part of the battery pack, is easy to process, manufacture and install, is convenient to adapt to different vehicle types, and has large protection area and good protection effect.
Preferably, the protection plate mounting bracket is further included. One end of the protection plate mounting support is fixedly connected with the battery pack protection frame, and the other end of the protection plate mounting support is connected with the bottom plate of the battery pack protection frame through a bottom plate connecting bolt 4. This preferred scheme, simple structure, the connection installation of the guard plate of being convenient for and battery package protective frame. Further preferably, the bolt sleeve and the rubber bushing are further included; the stud sleeve and the rubber bushing are fixedly connected together, and the projection area of the upper end and the lower end of the rubber bushing in the axial direction of the stud sleeve is larger than the projection area of the middle end of the rubber bushing in the axial direction of the stud sleeve; the protection plate is provided with a long hole with the width of the hole and the size of the middle end of the rubber bushing, the middle end of the rubber bushing is inserted into the long hole, and then the bolt penetrates through the stud sleeve and is connected with the protection plate mounting support through threads, so that the other end of the protection plate is connected with the bottom plate of the battery pack protection frame 3 through the bottom plate connecting bolt 4. In this further preferred embodiment, the rubber bush can absorb dynamic impact from the sub-frame and prevent noise.
Preferably, a plurality of concave pits are uniformly distributed on the protection plate. This preferred scheme can improve the rigidity and the intensity of guard plate, and then improves result of use and life.
Preferably, the left and right sides of the guard plate are folded downward. This preferred scheme can improve the rigidity of guard plate, improves the result of use.
Preferably, one end of the guard plate and one end of the chassis sub-frame are connected by two sub-frame connecting bolts. The other end of the protection plate is connected with the bottom plate of the battery pack protection frame through two bottom plate connecting bolts.
In conclusion, the battery pack has the advantages that the protective plate replaces the existing scratch-proof beam structure arranged at the front part of the battery pack, the battery pack is easy to process, manufacture and install, is convenient to adapt to different vehicle types, and is low in noise, large in protective area and good in protective effect.
Drawings
FIG. 1: the invention has the overall structure schematic diagram;
FIG. 2: a schematic diagram of a connection structure of the protection plate and the battery pack protection frame;
in the figure: the protective plate comprises a protective plate 1, a long hole 1.1, a pit 1.2, a bottom plate connecting bolt 4, a protective plate mounting bracket 5, a stud sleeve 6 and a rubber bushing 7.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1 and 2, the present invention includes a fender panel 1, a base plate connecting bolt 4, a fender panel mounting bracket 5, a stud bushing 6, a rubber bush 7, and a subframe connecting bolt not shown in the drawings. A plurality of concave pits 1.2 are uniformly distributed on the protection plate 1, and the left side and the right side of the protection plate 1 are folded downwards. One end of the protection plate 1 is connected with one end of the chassis auxiliary frame 2 through an auxiliary frame connecting bolt. The outer diameter of the upper end of the stud sleeve 6 is smaller than the outer diameter of the lower end of the stud sleeve 6. The upper end, the middle end and the lower end of the rubber bushing 7 are all in a circular ring shape, and the inner diameters of the upper end, the middle end and the lower end of the rubber bushing 7 are equal and smaller than the outer diameter of the upper end of the stud sleeve 6. The upper end of the stud sleeve 6 is inserted into an inner hole of the rubber bushing 7, and the stud sleeve 6 and the rubber bushing 7 are fixedly connected together through an extrusion forming process. The outer diameters of the upper end and the lower end of the rubber bush 7 are larger than the outer diameter of the middle end of the rubber bush 7. One end of the protection plate mounting support 5 is fixedly connected with the battery pack protection frame 3, the other end of the protection plate mounting support 5 is provided with a threaded hole matched with the bottom plate connecting bolt 4, one end of the protection plate 1 connected with the protection plate mounting support 5 is provided with a hole width and a long hole 1.1 matched with the middle end size of the rubber bushing 7, the middle end of the rubber bushing 7 is inserted into the long hole, and the rear bolt 4 penetrates through the stud sleeve 6 and then is connected with the protection plate mounting support 5 through threads, so that the other end of the protection plate 1 is connected with the bottom plate of the battery pack protection frame 3 through the bottom plate connecting bolt 4.
Preferably, the number of the fender mounting brackets 5 is one. One end of the protection plate 1 and one end of the chassis auxiliary frame 2 are connected through two auxiliary frame connecting bolts. The other end of the protection plate 1 is connected with the protection plate mounting bracket 5 through two bottom plate connecting bolts 4.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the structure and scope of the invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.
Claims (7)
1. The utility model provides a protective structure among connection structure of battery package and motor which characterized in that: comprises a protective plate (1); one end of the protection plate (1) is connected with one end of the chassis auxiliary frame (2) through an auxiliary frame connecting bolt, and the other end of the protection plate (1) is connected with a bottom plate of the battery pack protection frame (3) through a bottom plate connecting bolt (4).
2. The protection structure in the connection structure of the battery pack and the motor according to claim 1, wherein: the device also comprises a protective plate mounting bracket (5); one end of the protection plate mounting support (5) is fixedly connected with the battery pack protection frame (3), and the other end of the protection plate mounting support (5) is connected with the bottom plate of the battery pack protection frame (3) through the bottom plate connecting bolt (4).
3. The protection structure in the connection structure of the battery pack and the motor according to claim 2, wherein: the screw bolt sleeve is characterized by also comprising a screw bolt sleeve (6) and a rubber bushing (7); the stud sleeve (6) is fixedly connected with the rubber bushing (7), and the projection area of the upper end and the lower end of the rubber bushing (7) in the axis direction of the stud sleeve (6) is larger than the projection area of the middle end of the rubber bushing (7) in the axis direction of the stud sleeve (6); the protection plate (1) is provided with a hole (1.1) with the width of the hole and the size of the middle end of the rubber bushing (7) at one end connected with the protection plate mounting support (5), the middle end of the rubber bushing (7) is inserted into the long hole, and then the bolt (4) penetrates through the stud sleeve (6) and is connected with the protection plate mounting support (5) through threads, so that the other end of the protection plate (1) is connected with the bottom plate of the battery pack protection frame (3) through the bottom plate connecting bolt (4).
4. The protection structure in the connection structure of the battery pack and the motor according to claim 1, wherein: a plurality of concave pits (1.2) are uniformly distributed on the protection plate (1).
5. The protection structure in the connection structure of the battery pack and the motor according to claim 1, wherein: the left and right sides of the protection plate (1) are folded downwards.
6. The protection structure in the connection structure of the battery pack and the motor according to claim 1, wherein: one end of the protection plate (1) is connected with one end of the chassis auxiliary frame (2) through two auxiliary frame connecting bolts.
7. The protection structure in the connection structure of the battery pack and the motor according to claim 7, wherein: the other end of the protection plate (1) is connected with the bottom plate of the battery pack protection frame (3) through two bottom plate connecting bolts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157351.9A CN111409568B (en) | 2020-03-09 | 2020-03-09 | Protective structure in connection structure of battery pack and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157351.9A CN111409568B (en) | 2020-03-09 | 2020-03-09 | Protective structure in connection structure of battery pack and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111409568A true CN111409568A (en) | 2020-07-14 |
| CN111409568B CN111409568B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010157351.9A Active CN111409568B (en) | 2020-03-09 | 2020-03-09 | Protective structure in connection structure of battery pack and motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549945A (en) * | 2020-12-09 | 2021-03-26 | 云度新能源汽车股份有限公司 | A guard plate for car battery package |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134815A1 (en) * | 2010-04-28 | 2011-11-03 | Societe De Technologie Michelin | Stiffened battery compartment for an electric or hybrid vehicle |
| KR101205885B1 (en) * | 2007-12-25 | 2012-11-30 | 비와이디 컴퍼니 리미티드 | Battery system for a vehicle with severable connections |
| CN104553718A (en) * | 2014-10-27 | 2015-04-29 | 北京新能源汽车股份有限公司 | Collision protection device of power battery bag body |
| CN207311608U (en) * | 2017-10-19 | 2018-05-04 | 长城汽车股份有限公司 | Crash structure and vehicle for battery pack |
| CN208085469U (en) * | 2018-03-27 | 2018-11-13 | 北京新能源汽车股份有限公司 | Vehicle with a steering wheel |
| CN110154729A (en) * | 2019-06-10 | 2019-08-23 | 天津恒天新能源汽车研究院有限公司 | The protective plate and automobile of battery pack connector |
| CN111301135A (en) * | 2019-11-12 | 2020-06-19 | 浙江零跑科技有限公司 | Connection structure between battery pack output part protection plate, battery pack box body and vehicle body |
-
2020
- 2020-03-09 CN CN202010157351.9A patent/CN111409568B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101205885B1 (en) * | 2007-12-25 | 2012-11-30 | 비와이디 컴퍼니 리미티드 | Battery system for a vehicle with severable connections |
| WO2011134815A1 (en) * | 2010-04-28 | 2011-11-03 | Societe De Technologie Michelin | Stiffened battery compartment for an electric or hybrid vehicle |
| CN104553718A (en) * | 2014-10-27 | 2015-04-29 | 北京新能源汽车股份有限公司 | Collision protection device of power battery bag body |
| CN207311608U (en) * | 2017-10-19 | 2018-05-04 | 长城汽车股份有限公司 | Crash structure and vehicle for battery pack |
| CN208085469U (en) * | 2018-03-27 | 2018-11-13 | 北京新能源汽车股份有限公司 | Vehicle with a steering wheel |
| CN110154729A (en) * | 2019-06-10 | 2019-08-23 | 天津恒天新能源汽车研究院有限公司 | The protective plate and automobile of battery pack connector |
| CN111301135A (en) * | 2019-11-12 | 2020-06-19 | 浙江零跑科技有限公司 | Connection structure between battery pack output part protection plate, battery pack box body and vehicle body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549945A (en) * | 2020-12-09 | 2021-03-26 | 云度新能源汽车股份有限公司 | A guard plate for car battery package |
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| CN111409568B (en) | 2021-09-21 |
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