CN112277664A - Battery package structure convenient to assemble with underbody - Google Patents

Battery package structure convenient to assemble with underbody Download PDF

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Publication number
CN112277664A
CN112277664A CN202011178896.4A CN202011178896A CN112277664A CN 112277664 A CN112277664 A CN 112277664A CN 202011178896 A CN202011178896 A CN 202011178896A CN 112277664 A CN112277664 A CN 112277664A
Authority
CN
China
Prior art keywords
shell
battery pack
positioning
vehicle body
bottom plate
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.)
Pending
Application number
CN202011178896.4A
Other languages
Chinese (zh)
Inventor
张雷
张海滨
邓辉龙
张亚光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Zhouzhihang Battery Co ltd
Original Assignee
Anhui Zhouzhihang Battery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Zhouzhihang Battery Co ltd filed Critical Anhui Zhouzhihang Battery Co ltd
Priority to CN202011178896.4A priority Critical patent/CN112277664A/en
Publication of CN112277664A publication Critical patent/CN112277664A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64Constructional details of batteries specially adapted for electric vehicles
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention relates to the technical field of new energy automobile battery packs, in particular to a battery pack structure convenient for being assembled with a vehicle body bottom plate, which comprises a battery pack shell, wherein the battery pack shell consists of a lower shell and an upper shell which is detachably arranged at the upper end of the lower shell, a plurality of strip-shaped check blocks which are distributed in parallel are arranged in the lower shell, an installation compartment for installing a battery module is formed between two adjacent strip-shaped check blocks, a vertical positioning mechanism is arranged at the upper end of one strip-shaped check block, the upper end of the positioning mechanism penetrates through the end surface of the upper shell, a positioning pin component corresponding to a positioning hole at the lower end of the vehicle body bottom plate and a fastening component corresponding to an installation hole at the lower end of the vehicle body bottom plate are arranged at the outer edge of the lower shell, the invention has simple structure, is convenient for assembling and disassembling the battery pack shell and, the use quality of the battery pack is ensured.

Description

Battery package structure convenient to assemble with underbody
Technical Field
The invention relates to the technical field of new energy automobile battery packs, in particular to a battery pack structure convenient to assemble with an automobile body bottom plate.
Background
New forms of energy electric automobile is developed briskly in China, the demand to high continuation of the journey vehicle is more and more strong in the market, but high continuation of the journey has just provided higher intensity requirement to the structural design of battery package, battery package grow weight, must require self structural strength of battery package to satisfy the requirement, then under the high specific energy big environment in the new forms of energy trade, the structural design of battery package can not solve through increasing steel sheet thickness, can only solve the problem in present stage through reasonable optimization structure, cause very big puzzlement and the degree of difficulty for battery package structural design.
Disclosure of Invention
The invention aims to provide a battery pack structure which is convenient to assemble with a vehicle body bottom plate, and aims to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
provides a battery pack structure convenient to assemble with a vehicle body bottom plate, which comprises a battery pack shell, wherein the battery pack shell consists of a lower shell and an upper shell which is detachably arranged at the upper end of the lower shell, a battery module is arranged in an installation cavity formed between the upper shell and the lower shell, a plurality of strip-shaped check blocks which are distributed in parallel are arranged in the lower shell, an installation compartment for installing the battery module is formed between every two adjacent strip-shaped check blocks, wherein the upper end of one strip-shaped baffle is provided with a vertical positioning mechanism, the upper end of the positioning mechanism penetrates through the end surface of the upper shell, and extends to the upper end of the upper shell, the top end of the positioning mechanism is used for connecting with a welding part at the lower end of the vehicle body bottom plate, and a positioning pin assembly corresponding to the positioning hole at the lower end of the vehicle body bottom plate and a fastening assembly corresponding to the mounting hole at the lower end of the vehicle body bottom plate are arranged at the outer edge of the lower shell.
Preferably, the locating pin assembly comprises a locating lug and a locating pin, the locating lug is arranged on the outer side wall of the lower shell, and the locating pin is vertically welded on the locating lug.
Preferably, the fastening assembly comprises a positioning lug and a mounting bolt, the positioning lug is arranged on the outer side wall of the lower shell, and the mounting bolt vertically penetrates through a through groove arranged on the positioning lug.
Preferably, the outer edge of the upper housing is detachably connected with the outer edge of the lower housing by screws.
Preferably, every positioning mechanism all includes hollow section of thick bamboo, positioning stud and stop nut, the vertical setting of hollow section of thick bamboo is in the upper end of bar baffle, and the spacing contact of the inner wall of the upper casing of the upper end of hollow section of thick bamboo, the through-hole that is equipped with coaxial distribution on bar baffle and the lower casing, and through-hole and the inside intercommunication of hollow section of thick bamboo, positioning stud runs through-hole and hollow section of thick bamboo in proper order, and the upper end of tip follow casing passes, stop nut screw thread installation is at positioning stud's tip, and with the outer wall in close contact with of last casing.
Preferably, the upper end face and the lower end face of the limiting nut are both provided with annular grooves, and O-shaped sealing rings are connected in the annular grooves in a clamping mode.
Has the advantages that: when the invention is installed, the module unit is installed in an installation cavity formed by the upper shell and the lower shell, when the battery can shell is needed to be installed on the vehicle body bottom plate, the battery can shell is lifted to the installation position of the vehicle body bottom plate, then the end part of the positioning pin is inserted into the corresponding position of the vehicle body bottom plate, as the welding part (the welding part is a welding nut) corresponding to the positioning mechanism is welded at the lower end of the vehicle body bottom plate, the positioning stud is rotated, the end part of the positioning stud is screwed into the welding part, and the lower end of the welding part is tightly contacted with the upper end surface of the limiting nut, as the O-shaped sealing rings are arranged at the upper end and the lower end of the limiting nut, the O-shaped sealing rings are in a tight extrusion state, the O-shaped sealing rings at the upper end effectively prevent water from entering a cabin through the vehicle body bottom plate, the end of the mounting bolt is then screwed into place on the underbody, thereby completing the assembly between the battery pack housing and the underbody.
The battery pack has the advantages of simple structure, convenience in assembly and disassembly between the battery pack shell and the vehicle body bottom plate, high installation stability and high sealing performance, and ensures the use quality of the battery pack.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the lower housing;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of a positioning mechanism;
FIG. 5 is a schematic view of a stop nut;
in the figure:
1-lower shell, 2-upper shell, 3-positioning lug, 4-positioning pin, 5-positioning lug, 6-mounting bolt, 7-strip baffle, 8-mounting compartment, 9-positioning mechanism, 91-hollow cylinder, 92-positioning stud, 93-limiting nut, 931-annular groove and 94-O-shaped sealing ring.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 5, a battery pack structure for facilitating assembly with a vehicle body floor, includes a battery pack case, the battery pack shell consists of a lower shell 1 and an upper shell 2 which is detachably arranged at the upper end of the lower shell 1, a mounting cavity for mounting the battery module is formed between the upper shell 2 and the lower shell 1, a plurality of strip-shaped check blocks 7 distributed in parallel are arranged in the lower shell 1, an installation compartment 8 for installing the battery module is formed between two adjacent strip-shaped check blocks 7, the upper end of one strip-shaped baffle 7 is provided with a vertical positioning mechanism 9, the upper end of the positioning mechanism 9 penetrates through the end surface of the upper shell 2, and extends to the upper end of the upper shell 2, the top end of the positioning mechanism 9 is used for connecting with a welding piece at the lower end of the underbody, the outer edge position of the lower shell 1 is provided with a positioning pin assembly corresponding to a positioning hole at the lower end of the vehicle body bottom plate and a fastening assembly corresponding to a mounting hole at the lower end of the vehicle body bottom plate.
In the present embodiment, the locating pin assembly includes a locating lug 3 and a locating pin 4, the locating lug 3 is disposed on the outer side wall of the lower housing 1, and the locating pin 4 is vertically welded on the locating lug 3.
In the present embodiment, the fastening assembly includes a positioning protrusion 5 and a mounting bolt 6, the positioning protrusion 5 is disposed on an outer side wall of the lower housing 1, and the mounting bolt 6 vertically penetrates through a through groove disposed on the positioning protrusion 5.
In the present embodiment, the outer edge of the upper case 2 is detachably coupled to the outer edge of the lower case 1 by screws.
In this embodiment, every positioning mechanism all includes hollow section of thick bamboo 91, positioning stud 92 and stop nut 93, the vertical setting of hollow section of thick bamboo 91 is in the upper end of bar baffle 7, and the upper end of hollow section of thick bamboo 91 and the spacing contact of the inner wall of last casing 2 are equipped with coaxial distribution's through-hole on bar baffle 7 and the lower casing 1, and through-hole and the inside intercommunication of hollow section of thick bamboo 91, positioning stud 92 runs through-hole and hollow section of thick bamboo 91 in proper order, and the tip passes from the upper end of last casing 2, stop nut 93 threaded mounting is at positioning stud 92's tip, and with the outer wall in close contact with of last casing 2.
In this embodiment, the upper and lower end surfaces of the limiting nut 93 are provided with an annular groove 931, and an O-ring 94 is clamped in the annular groove 931.
When the invention is installed, the module unit is installed in the installation cavity formed by the upper shell 2 and the lower shell 1, when the battery can shell needs to be installed on the vehicle body bottom plate, the battery can shell is lifted to the installation position of the vehicle body bottom plate, then the end part of the positioning pin 4 is inserted into the corresponding position of the vehicle body bottom plate, because the lower end of the vehicle body bottom plate is welded with a welding part (the welding part is a welding nut) corresponding to the positioning mechanism 9, the positioning stud 92 is rotated, the end part of the positioning stud 92 is rotated into the welding part, and the lower end of the welding part is tightly contacted with the upper end surface of the limit nut 93, because the O-shaped sealing rings 94 are arranged at the upper end and the lower end of the limit nut 93, the O-shaped sealing rings 94 at the upper end are in a tightly extruded state, the O-shaped sealing rings 94 at the upper end effectively prevent water from entering a passenger, the waterproof sealing effect is improved, and then the end part of the mounting bolt 6 is screwed at the corresponding position of the vehicle body bottom plate, so that the assembly between the battery pack shell and the vehicle body bottom plate is completed.
The battery pack has the advantages of simple structure, convenience in assembly and disassembly between the battery pack shell and the vehicle body bottom plate, high installation stability and high sealing performance, and ensures the use quality of the battery pack.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. A battery pack structure convenient to assemble with a vehicle body bottom plate comprises a battery pack shell, wherein the battery pack shell consists of a lower shell (1) and an upper shell (2) which is detachably mounted at the upper end of the lower shell (1), and a mounting chamber for mounting a battery module is formed between the upper shell (2) and the lower shell (1), the battery pack structure is characterized in that a plurality of strip-shaped check blocks (7) which are distributed in parallel are arranged inside the lower shell (2), a mounting compartment for mounting the battery module is formed between every two adjacent strip-shaped check blocks (7), a vertical positioning mechanism (9) is arranged at the upper end of one strip-shaped check block (7), the upper end of the positioning mechanism (9) penetrates through the end face of the upper shell (2) and extends to the upper end of the upper shell (2), and the top end of the positioning mechanism (9) is used for being connected with a welding piece at the lower end of the vehicle, and a positioning pin assembly corresponding to a positioning hole at the lower end of the vehicle body bottom plate and a fastening assembly corresponding to a mounting hole at the lower end of the vehicle body bottom plate are arranged at the outer edge of the lower shell (1).
2. The battery pack structure facilitating assembly with a vehicle body floor according to claim 1, wherein the dowel assembly includes a dowel lug (3) and a dowel pin (4), the dowel lug (3) is provided on an outer side wall of the lower case (1), and the dowel pin (4) is vertically welded to the dowel lug (3).
3. The battery pack structure convenient for assembly with a vehicle body floor according to claim 1, wherein the fastening assembly comprises a positioning lug (5) and a mounting bolt (6), the positioning lug (5) is arranged on the outer side wall of the lower shell (1), and the mounting bolt (6) vertically penetrates through a through groove arranged on the positioning lug (5).
4. The battery pack structure for facilitating assembly with a vehicle body floor according to claim 1, wherein an outer edge of the upper case (2) is detachably attached to an outer edge of the lower case (1) by a screw.
5. The battery pack structure convenient to assemble with a vehicle body bottom plate is characterized in that each positioning mechanism (9) comprises a hollow cylinder (91), positioning studs (92) and a limiting nut (93), the hollow cylinder (91) is vertically arranged at the upper end of the strip-shaped baffle (7), the upper end of the hollow cylinder (91) is in limited contact with the inner wall of the upper shell (2), through holes which are coaxially distributed are formed in the strip-shaped baffle (7) and the lower shell (1), the through holes are communicated with the inside of the hollow cylinder (91), the positioning studs (92) sequentially penetrate through the through holes and the hollow cylinder (91), the end part of the positioning stud penetrates through the upper end of the upper shell (2), and the limiting nut (93) is installed at the end part of the positioning stud (92) in a threaded mode and is in tight contact with the outer wall of the upper shell (2).
6. The battery pack structure convenient to assemble with a vehicle body floor according to claim 5, wherein the upper and lower end faces of the limit nut (93) are each provided with an annular groove (931), and an O-ring (94) is snap-fitted into the annular groove (931).
CN202011178896.4A 2020-10-29 2020-10-29 Battery package structure convenient to assemble with underbody Pending CN112277664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011178896.4A CN112277664A (en) 2020-10-29 2020-10-29 Battery package structure convenient to assemble with underbody

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011178896.4A CN112277664A (en) 2020-10-29 2020-10-29 Battery package structure convenient to assemble with underbody

Publications (1)

Publication Number Publication Date
CN112277664A true CN112277664A (en) 2021-01-29

Family

ID=74374074

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011178896.4A Pending CN112277664A (en) 2020-10-29 2020-10-29 Battery package structure convenient to assemble with underbody

Country Status (1)

Country Link
CN (1) CN112277664A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210040302U (en) * 2019-05-28 2020-02-07 奇瑞汽车股份有限公司 Lightweight battery pack and mounting structure thereof
CN210970647U (en) * 2019-11-15 2020-07-10 安徽舟之航电池有限公司 Battery pack lower supporting plate with PTC heater
CN111469681A (en) * 2020-05-29 2020-07-31 重庆长安新能源汽车科技有限公司 Battery package mounting point seal structure, battery package and vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210040302U (en) * 2019-05-28 2020-02-07 奇瑞汽车股份有限公司 Lightweight battery pack and mounting structure thereof
CN210970647U (en) * 2019-11-15 2020-07-10 安徽舟之航电池有限公司 Battery pack lower supporting plate with PTC heater
CN111469681A (en) * 2020-05-29 2020-07-31 重庆长安新能源汽车科技有限公司 Battery package mounting point seal structure, battery package and vehicle

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