CN112248784B - Battery system connection sealing mechanism, automobile body and automobile - Google Patents
Battery system connection sealing mechanism, automobile body and automobile Download PDFInfo
- Publication number
- CN112248784B CN112248784B CN202011191647.9A CN202011191647A CN112248784B CN 112248784 B CN112248784 B CN 112248784B CN 202011191647 A CN202011191647 A CN 202011191647A CN 112248784 B CN112248784 B CN 112248784B
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- upper cover
- battery pack
- sealing
- sealing ring
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
Abstract
The application discloses a battery system connecting and sealing mechanism, a vehicle body and a vehicle, which comprise a connecting support, a first sealing ring, a second sealing ring, a first locking piece and a second locking piece; the connecting support is used for connecting a vehicle body bottom plate and a battery pack box body, the battery pack box body comprises a lower tray and an upper cover, and the connecting support is fixedly connected with the lower tray; the vehicle body bottom plate is connected with the connecting support column through the first locking piece, and the upper cover is connected with the connecting support column through the second locking piece; the first sealing ring is connected between the vehicle body bottom plate and the upper cover, and the second sealing ring is connected between the upper cover and the connecting support. The invention can realize the stable connection of the battery pack and the whole vehicle and provide good sealing of the vehicle body side and the battery pack side.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a battery system connection sealing mechanism, an automobile body and an automobile.
Background
At present, under the background of slow increase of the speed of the Chinese car city, the high-speed increase of the new energy car sales volume becomes a white bright color of the car city. From the sales data of two months before this year, new energy automobiles are becoming the main driving force for the development of domestic automobiles and markets. But with the increase of market users, the existing problems are more obvious.
Compared with the conventional fuel vehicles which have been developed for hundreds of years, new energy vehicles are still in the early stage of development. The problems of short endurance mileage, long charging time, insufficient safety of a power battery and the like all restrict the purchase and use of new energy automobiles by consumers. Therefore, each large vehicle enterprise has been provided with great skill in the aspects of the endurance mileage, the charging technology, the safety performance and the like of the new energy battery.
As the energy of the battery pack increases, the size and weight of the battery pack also increase, for example, the size of the battery pack reaches 1.5 m/2.2 m and the weight of the battery pack reaches 600 kg. The battery pack packaging box has the advantages that a great problem is provided for the installation and fixation of the battery pack, the sealing performance of the existing battery pack box is poor in structure, the fixation is not firm, and the battery pack packaging box is easy to damage due to vibration of a vehicle body.
Disclosure of Invention
The utility model provides a purpose is overcome prior art not enough, provides a battery system connection sealing mechanism, automobile body and car, realizes the battery package and puts in order the steady of car and is connected and provide the good sealed of automobile body side and battery package side.
The technical scheme of the application provides a battery system connecting and sealing mechanism which comprises a connecting support, a first sealing ring, a second sealing ring, a first locking piece and a second locking piece;
the connecting support is used for connecting a vehicle body bottom plate and a battery pack box body, the battery pack box body comprises a lower tray and an upper cover, and the connecting support is fixedly connected with the lower tray;
the vehicle body bottom plate is connected with the connecting support column through the first locking piece, and the upper cover is connected with the connecting support column through the second locking piece;
the first sealing ring is connected between the vehicle body bottom plate and the upper cover, and the second sealing ring is connected between the upper cover and the connecting support.
Preferably, the connecting strut comprises a connecting part and a limiting part, the second locking part is connected with the connecting part, the second sealing ring is arranged on the upper cover, the second locking part is arranged between the limiting parts, and the second sealing ring is tightly pressed when the second locking part is locked
Preferably, at least a part of the first seal ring is located between the second lock member and the vehicle body floor, and the first lock member presses the first seal ring when locked.
Preferably, the first seal ring seals a gap between the vehicle body floor and the upper cover in an axial direction of the connection pillar.
Preferably, the outer peripheral surface of the connecting portion is provided with an external thread, the second locking member is a nut, and the nut is in threaded connection with the connecting portion.
Preferably, the stopper portion includes a projection provided on an outer circumferential surface of the connection pillar.
Preferably, the connecting portion are provided with mounting holes, internal threads are arranged in the mounting holes, the first locking piece is a bolt, and the bolt penetrates through the vehicle body bottom plate and the first sealing ring and is in threaded connection with the mounting holes.
Preferably, the second sealing ring comprises a first foam layer, a metal layer and a second foam layer which are sequentially stacked.
The invention also provides a vehicle body which comprises the battery system connecting and sealing mechanism, a vehicle body bottom plate and a battery pack box body, wherein the vehicle body bottom plate comprises a vehicle body cross beam and a vehicle body longitudinal beam, the lower tray comprises a tray cross beam and a tray longitudinal beam, one end of the connecting support is connected with the vehicle body cross beam or the vehicle body longitudinal beam, and the other end of the connecting support is connected with the tray cross beam or the tray longitudinal beam.
The invention further provides an automobile comprising the automobile body.
After adopting above-mentioned technical scheme, have following beneficial effect: the invention can firmly connect and fix the vehicle body and the battery pack box body, thereby realizing the stable connection of the battery pack and the whole vehicle, and improving the sealing performance of the battery pack and the air tightness requirement of the passenger compartment side.
Drawings
The disclosure of the present application will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present application. In the figure:
fig. 1 is a schematic view showing the overall structure of a battery system connection sealing mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a connecting strut according to one embodiment of the present invention;
fig. 3 is a schematic view of a second seal ring according to an embodiment of the present invention.
Reference symbol comparison table:
the connecting strut 10: a limiting part 101, a connecting part 102 and a mounting hole 103;
second seal ring 50: a first foam layer 501, a metal layer 502 and a second foam layer 503;
the first locking member 20, the first seal ring 30, the second locking member 40, the lower tray 601, the upper cover 602, and the underbody 70.
Detailed Description
Embodiments of the present application are further described below with reference to the accompanying drawings.
It is easily understood that according to the technical solutions of the present application, those skilled in the art can substitute various structures and implementations without changing the spirit of the present application. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present application, and should not be construed as limiting or restricting the technical solutions of the present application in their entirety.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The foregoing is to be understood as belonging to the specific meanings in the present application as appropriate to the person of ordinary skill in the art.
In one embodiment of the present invention, a battery system connection sealing mechanism, as shown in fig. 1, includes a connection support 10, a first sealing ring 30, a second sealing ring 50, a first locking member 20, and a second locking member 40;
the connecting strut 10 is used for connecting the vehicle body bottom plate 70 and a battery pack box body, the battery pack box body comprises a lower tray 601 and an upper cover 602, and the connecting strut 10 is fixedly connected with the lower tray 601;
the vehicle body floor 70 is connected to the connecting pillar 10 by the first locking member 20, and the upper cover 602 is connected to the connecting pillar 10 by the second locking member 40;
the first seal ring 30 is connected between the underbody 70 and the upper cover 602, and the second seal ring 50 is connected between the upper cover 602 and the connecting pillar 10.
In the device, the battery pack is arranged in the battery pack box body, the lower tray 601 in the battery pack box body is fixedly connected with the vehicle body bottom plate 70 through the connecting support column 10, so that the battery pack can be well and firmly fixed with the vehicle body, in addition, the sealing between the vehicle body bottom plate 70 and the upper cover 602 can be realized through the first sealing ring 30, the air tightness of the passenger compartment side can be improved, and the sealing between the upper cover 602 and the connecting support column 10 is realized through the second sealing ring 50, so that the sealing performance of the battery pack is improved. When the connecting and sealing mechanism is installed, the connecting support column 10 and the lower tray 601 are firstly connected and fixed together, then the second sealing ring 50 is installed on the connecting support column 10, then the upper cover 602 is installed on the connecting support column 10, so that the upper cover 602 is abutted to the second sealing ring 50, the upper cover 602 and the second sealing ring 50 are tightly pressed together through locking of the second locking piece 40, and the sealing of the battery pack side is realized. Then, the first seal ring 30 is mounted on the connecting support column 10, when the connecting support column 10 is mounted on the vehicle body floor 70, the first seal ring 30 abuts against the vehicle body floor 70, and finally, the first seal ring 20 is connected with the connecting support column 10, the first seal ring 20 presses the vehicle body floor 70, the first seal ring 30 and the upper cover 602 together, and the connecting support column 10 is fixed with the vehicle body floor 70, so that the battery pack case is fixed and the vehicle body side is sealed at the same time.
In some embodiments of the present invention, as shown in fig. 2, the connecting strut 10 includes a connecting portion 102 and a position-limiting portion 101, the second locking member 40 is connected to the connecting portion 102, the second sealing ring 50 and the upper cover 602 are disposed between the second locking member 40 and the position-limiting portion 101, and the second locking member 40 compresses the second sealing ring 50 when locked. The limiting part 101 provides a supporting and limiting function for the second sealing ring 50, and when the second sealing ring 50 is installed, the second sealing ring is installed on the limiting part 101.
In some embodiments of the present invention, at least a portion of the first seal ring 30 is located between the second locking member 40 and the underbody 70, and the first seal ring 30 is compressed when the first locking member 20 is locked. A portion of the first seal ring 30 is interposed between the second locking member 40 and the vehicle body floor 70, so that the gap between the second locking member 40 and the vehicle body floor 70 is sealed, the vehicle body side is sealed, and the battery side can be enhanced.
In some embodiments of the present invention, the first seal ring 30 seals the gap between the underbody 70 and the upper cover 602 in the axial direction of the connecting pillar 10. The first seal ring 30 seals the outer periphery of the second locking member 40 in the radial direction, i.e., the vehicle body side seal can be achieved while the battery side seal can be enhanced.
In some embodiments of the present invention, the connecting portion 102 is provided with an external thread on an outer circumferential surface thereof, and the second locking member 40 is a nut threadedly coupled to the connecting portion 102. By screwing the nut to the connecting portion 102, the nut moves downward to press the upper cover 602 and the second seal ring 50 against the stopper portion 101, whereby the upper cover 602 is fixed to the connecting support 10 and the battery pack side is sealed.
In some embodiments of the present invention, the stopper portion 101 includes a projection provided on the outer circumferential surface of the connecting strut 10.
In some embodiments of the present invention, as shown in fig. 2, the connecting portion 102 is provided with a mounting hole 103, the mounting hole 103 is internally provided with internal threads, and the first fastening member 20 is a bolt that passes through the underbody 70 and the first seal ring 30 and is screwed into the mounting hole 103. The underbody 70 and the connecting support column 10 are fixedly connected together through the first locking member 20, and when the vehicle body side sealing device is installed, the bolts are screwed from the passenger compartment, so that the bolts and the connecting support column 10 are fixed together, and meanwhile, the heads of the bolts exert downward acting force on the underbody 70, so that the underbody 70 compresses the first sealing ring 30, and the vehicle body side sealing is realized.
In some embodiments of the present invention, as shown in fig. 3, the second sealing ring 50 includes a first foam layer 501, a metal layer 502, and a second foam layer 503 that are stacked in sequence, where the metal layer 502 is a steel ring structure, the metal layer 502 is sandwiched between the first foam layer 501 and the second foam layer 503, which can play a role in stabilizing the positioning of the foam, and the first foam layer 501 and the second foam layer 503 are transversely unfolded when being stressed and extruded, so as to increase the overlapping area, and at the same time, increase the effective sealing area and improve the sealing effect.
In some embodiments of the present invention, the lower tray 601 is welded to the connecting strut 10.
The invention also provides a vehicle body which comprises the battery system connecting and sealing mechanism, a vehicle body bottom plate 70 and a battery pack box body, wherein the vehicle body bottom plate 70 comprises a vehicle body cross beam and a vehicle body longitudinal beam, the lower tray 601 comprises a tray cross beam and a tray longitudinal beam, one end of the connecting strut 10 is connected with the vehicle body cross beam or the vehicle body longitudinal beam, and the other end of the connecting strut is connected with the tray cross beam or the tray longitudinal beam.
The connecting pillar 10 is connected to a vehicle body cross member or a vehicle body side member, so that the connection strength between the connecting pillar 10 and the vehicle body floor 70 is improved, and the vehicle body floor 70 is prevented from being deformed by a force. In addition, the connecting strut 10 is connected to the main bearing structure of the vehicle body bottom plate 70, and the vehicle body bottom plate 70 can bear the weight of the battery pack. The connecting support columns 10 are connected with the tray cross beams or the tray longitudinal beams, so that the connecting strength between the connecting support columns 10 and the lower tray 601 is improved, the deformation of the lower tray 601 at the connecting position is avoided, and the safety is improved.
The invention further provides an automobile comprising the automobile body. The body is applied to a pure electric vehicle, a plug-in hybrid electric vehicle and a range extending vehicle with a power storage battery system arranged outside the whole vehicle.
Example 1:
the embodiment discloses a battery system connection sealing mechanism, as shown in fig. 1, which includes a connection pillar 10, a first sealing ring 30, a second sealing ring 50, a first locking member 20 and a second locking member 40, wherein the connection pillar 10 is used for connecting an underbody 70 and a battery pack case, the battery pack case is used for loading a battery pack, the battery pack made up of a plurality of batteries is disposed in the battery pack case, wherein the battery pack case includes a lower tray 601 and an upper cover 602, and wherein the connection pillar 10 is welded and fixed with the lower tray 601, so that the connection pillar 10 is not separated from the lower tray 601. As shown in fig. 2, the upper portion of the connecting strut 10 is a connecting portion 102, and a limiting portion 101 is disposed on the periphery of the connecting portion 102, in which the limiting portion 101 is a protrusion disposed around the peripheral wall surface of the connecting portion 102.
In this embodiment, the first locking member 20 is a bolt, and the second locking member 40 is a nut, wherein an external thread is provided on the outer peripheral wall surface of the connecting portion 102, a mounting hole 103 is provided in the connecting portion 102, an internal thread is provided in the mounting hole 103, wherein the nut can be screwed on the external thread on the outer peripheral wall surface of the connecting portion 102, and the bolt can be screwed in the mounting hole 103.
In this embodiment, the second sealing ring 50 is sleeved on the connecting portion 102, the bottom of the second sealing ring 50 abuts against the limiting portion 101 and is supported by the limiting portion 101, the upper cover 602 is disposed on the second sealing ring 50, the bottom surface of the upper cover 602 abuts against the upper surface of the second sealing ring 50, the nut (the second locking member 40) is screwed on the connecting portion 102, and the nut compresses the upper surface of the upper cover 602, so that the upper cover 602 and the second sealing ring 50 can be tightly pressed on the limiting portion 101, and the second sealing ring 50 seals a connection gap between the upper cover 602 and the connecting support 10, thereby achieving the sealing of the battery pack side.
Particularly, as shown in fig. 3, the sealing washer that adopts is including piling up the setting in proper order at first bubble cotton layer 501, metal level 502 and second bubble cotton layer 503, wherein first bubble cotton layer 501 and the cotton layer 503 atress extrusion of second bubble are deformable, metal level 502 adopts the steel ring structure, metal level 502 presss from both sides between first bubble cotton layer 501 and second bubble cotton layer 503, can play the effect of the cotton location of stable bubble, first bubble cotton layer 501 and the cotton layer 503 of second bubble transversely expand in the atress extrusion, increase overlap area, can increase effectual sealing area simultaneously, improve sealed effect.
In the present embodiment, the underbody 70 is fixedly connected to the connecting pillar 10 by a bolt, specifically, the first seal ring 30 is disposed between the upper cover 602 and the underbody 70, the bolt passes through the underbody 70 and is inserted into the mounting hole 103 so that the bolt is screwed to the connecting pillar 10, the head of the bolt presses the underbody 70, so as to apply a downward acting force to the underbody 70, so that the underbody 70 presses the first seal ring 30, which can complete the connection between the underbody 70 and the connecting pillar 10, and can also seal a gap between the underbody 70 and the upper cover 602 by the first seal ring 30, so as to achieve the sealing on the vehicle body side.
In particular, the first seal ring 30 covers the second lock member 40, that is, the upper portion of the first seal ring 30 is located between the second lock member 40 and the vehicle body floor 70, and this portion fills the gap between the second lock member 40 and the vehicle body floor 70, so that the sealing between the second lock member 40 and the vehicle body floor 70 is achieved, and the sealing to the vehicle body side can be completed while the sealing to the battery side can be enhanced. In addition, the lower portion of the first seal ring 30 seals the gap between the underbody 70 and the upper cover 602 in the axial direction of the connecting pillar 10, that is, the lower portion of the first seal ring 30 covers the outer periphery of the second lock member 40, thereby sealing the outer periphery of the second lock member 40 in the radial direction, that is, sealing on the vehicle body side can be achieved, and sealing on the battery side can be enhanced. In the device, the battery pack is mounted on the lower tray 601 and covered by the upper cover 602, and the lower tray 601 is fixed with the connecting strut 10, and the connecting strut 10 is fixedly connected on the vehicle body bottom plate 70, so that the battery pack and the whole vehicle can be stably connected together by the connecting and sealing mechanism. The first seal ring 30 can seal between the underbody 70 and the upper cover 602, thereby improving the airtightness on the passenger compartment side, and the second seal ring 50 can seal between the upper cover 602 and the connection stay 10, thereby improving the sealability of the battery pack. When the connecting and sealing mechanism is installed, firstly, the lower tray 601 and the connecting strut 10 are welded together, then the second sealing ring 50 is installed on the connecting portion 102, the bottom of the second sealing ring 50 is abutted to the limiting block, then the upper cover 602 is installed on the connecting portion 102, the upper cover 602 is pressed on the second sealing ring 50, the nut is screwed again, the upper cover 602 is locked through the nut, the upper cover 602 and the second sealing ring 50 are pressed on the limiting block through the nut, and the connecting and installing of the battery pack and the connecting strut 10 are completed. Then, the connecting strut 10 and the underbody 70 are connected and fixed together, first, the first seal ring 30 is mounted on the connecting portion 102, the first seal ring 30 abuts against the upper surface of the upper cover 602, then, the connecting strut 10 is mounted on the underbody 70, so that the bottom surface of the underbody 70 abuts against the first seal ring 30, then, a worker mounts a bolt from a passenger compartment, so that the bolt is fixed together with the connecting strut 10, connection between the connecting strut 10 and the underbody 70 is realized, a battery pack can be fixed with the underbody 70, and meanwhile, sealing on the underbody side is also realized through the first seal ring 30. The device can ensure the stable connection of the battery pack and the whole vehicle and can provide good sealing of the vehicle body side and the battery pack side.
Example 2:
the present embodiment discloses a vehicle body including the battery system connection sealing mechanism of embodiment 1, a vehicle body floor panel 70, and a battery pack case for housing a battery pack therein, and specifically, the battery pack is disposed on a lower tray 601. In the present embodiment, the underbody 70 includes a body cross member and a body longitudinal member, and the lower tray 601 includes a tray cross member and a tray longitudinal member, wherein the upper end of the connecting pillar 10 is fixedly connected with the body cross member or the body longitudinal member by a bolt, and the lower end is welded and fixed with the tray cross member or the tray longitudinal member.
The connecting pillar 10 is connected to a vehicle body cross member or a vehicle body side member, so that the connection strength between the connecting pillar 10 and the vehicle body floor 70 is improved, and the vehicle body floor 70 is prevented from being deformed by a force. In addition, the connecting strut 10 is connected to the main bearing structure of the vehicle body bottom plate 70, and the vehicle body bottom plate 70 can bear the weight of the battery pack. The connecting support columns 10 are connected with the tray cross beams or the tray longitudinal beams, so that the connecting strength between the connecting support columns 10 and the lower tray 601 is improved, the deformation of the lower tray 601 at the connecting position is avoided, and the safety is improved.
Example 3:
the present embodiment discloses an automobile including the body in embodiment 2, wherein the body is applied to a pure electric automobile, a plug-in hybrid automobile, and an extended range automobile in which a power storage battery system is arranged outside the entire automobile.
What has been described above is merely the principles and preferred embodiments of the present application. It should be noted that, for a person skilled in the art, several other modifications can be made on the basis of the principle of the present application, and these should also be considered as the scope of protection of the present application.
Claims (9)
1. The battery system connecting and sealing mechanism is characterized by comprising a connecting support (10), a first sealing ring (30), a second sealing ring (50), a first locking piece (20) and a second locking piece (40);
the connecting strut (10) is used for connecting a vehicle body bottom plate (70) and a battery pack box body, the battery pack box body comprises a lower tray (601) and an upper cover (602), and the connecting strut (10) is fixedly connected with the lower tray (601);
the underbody (70) and the connecting strut (10) are connected by the first locking member (20), and the upper cover (602) and the connecting strut (10) are connected by the second locking member (40);
the first seal ring (30) is connected between the vehicle body floor (70) and the upper cover (602), and the second seal ring (50) is connected between the upper cover (602) and the connecting strut (10);
at least part of the first seal ring (30) is located between the second lock member (40) and the vehicle body floor (70), and the first seal ring (30) is pressed when the first lock member (20) is locked.
2. The battery system connection sealing mechanism according to claim 1, wherein the connection strut (10) includes a connection portion (102) and a limiting portion (101), the second locking member (40) is connected to the connection portion (102), the second sealing ring (50) and the upper cover (602) are disposed between the second locking member (40) and the limiting portion (101), and the second locking member (40) compresses the second sealing ring (50) when being locked.
3. The battery system connection sealing mechanism according to claim 1, wherein the first seal ring (30) seals a gap between the vehicle body floor (70) and the upper cover (602) in an axial direction of the connection pillar (10).
4. The battery system connecting and sealing mechanism according to claim 2, wherein the connecting portion (102) has an external thread on its outer circumference, and the second locking member (40) is a nut screwed to the connecting portion (102).
5. The battery system connection sealing mechanism according to claim 2, wherein the stopper portion (101) includes a projection provided on an outer peripheral surface of the connection support (10).
6. The battery system connecting and sealing mechanism according to claim 2, wherein the connecting portion (102) is provided with a mounting hole (103), the mounting hole (103) is internally provided with internal threads, and the first locking member (20) is a bolt which passes through the vehicle body bottom plate (70) and the first sealing ring (30) and is screwed in the mounting hole (103).
7. The battery system connection sealing mechanism according to claim 1, wherein the second sealing ring (50) comprises a first foam layer (501), a metal layer (502) and a second foam layer (503) which are sequentially stacked.
8. A vehicle body comprising a vehicle body bottom plate (70) and a battery pack box, characterized in that the vehicle body bottom plate (70) comprises a vehicle body cross beam and a vehicle body longitudinal beam, the lower tray (601) comprises a tray cross beam and a tray longitudinal beam, one end of the connecting strut (10) is connected with the vehicle body cross beam or the vehicle body longitudinal beam, and the other end is connected with the tray cross beam or the tray longitudinal beam.
9. An automobile comprising the body of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191647.9A CN112248784B (en) | 2020-10-30 | 2020-10-30 | Battery system connection sealing mechanism, automobile body and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191647.9A CN112248784B (en) | 2020-10-30 | 2020-10-30 | Battery system connection sealing mechanism, automobile body and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112248784A CN112248784A (en) | 2021-01-22 |
| CN112248784B true CN112248784B (en) | 2022-01-28 |
Family
ID=74268359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011191647.9A Active CN112248784B (en) | 2020-10-30 | 2020-10-30 | Battery system connection sealing mechanism, automobile body and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112248784B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042534U (en) * | 2011-05-12 | 2011-11-16 | 赛普(杭州)电动汽车有限公司 | Battery box sealing device |
| CN202174924U (en) * | 2011-07-29 | 2012-03-28 | 比亚迪股份有限公司 | Mounting structure of power cell of vehicle |
| CN102760848A (en) * | 2011-04-28 | 2012-10-31 | 贵阳普天物流技术有限公司 | Connection method and structure for inner battery box and outer battery box |
| CN103171414A (en) * | 2011-12-21 | 2013-06-26 | 福特环球技术公司 | Modular battery component support and sealing |
| CN106494208A (en) * | 2016-11-17 | 2017-03-15 | 上海蓥石汽车技术有限公司 | A kind of batteries of electric automobile bag fixed structure |
| CN108630843A (en) * | 2017-03-23 | 2018-10-09 | 宁德时代新能源科技股份有限公司 | Battery pack protective frame and battery pack |
| CN208393092U (en) * | 2018-05-17 | 2019-01-18 | 东软集团股份有限公司 | battery pack and its mounting assembly |
| CN109398064A (en) * | 2018-10-25 | 2019-03-01 | 永康市特慧工贸有限公司 | A kind of new energy car battery group mounting rack |
| CN209616865U (en) * | 2018-12-29 | 2019-11-12 | 爱驰汽车有限公司 | A kind of battery pack and vehicle body integral structure and automobile |
| CN210837863U (en) * | 2019-11-14 | 2020-06-23 | 东风汽车有限公司 | Battery pack connecting assembly |
| CN211731599U (en) * | 2019-12-31 | 2020-10-23 | 比亚迪股份有限公司 | Vehicle body floor assembly, battery pack thereof and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2934817B1 (en) * | 2008-08-07 | 2011-05-20 | Heuliez | VEHICLE OF SMALL SIZE. |
| JP5513445B2 (en) * | 2011-06-08 | 2014-06-04 | 本田技研工業株式会社 | Vehicle power supply |
| CN204029893U (en) * | 2014-07-30 | 2014-12-17 | 山东新大洋电动车有限公司 | A kind of electric automobile and battery case device thereof |
| CN106058109B (en) * | 2016-08-10 | 2019-03-26 | 上海蔚来汽车有限公司 | Battery locking system, the new energy vehicles and the method for assembling and disassembling power battery |
| CN209016132U (en) * | 2018-11-02 | 2019-06-21 | 郑州日产汽车有限公司 | Aluminum alloy combination battery case for new-energy automobile |
| CN109606087A (en) * | 2018-11-13 | 2019-04-12 | 蔡洁葵 | A kind of new energy battery motor stable connection device |
-
2020
- 2020-10-30 CN CN202011191647.9A patent/CN112248784B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760848A (en) * | 2011-04-28 | 2012-10-31 | 贵阳普天物流技术有限公司 | Connection method and structure for inner battery box and outer battery box |
| CN202042534U (en) * | 2011-05-12 | 2011-11-16 | 赛普(杭州)电动汽车有限公司 | Battery box sealing device |
| CN202174924U (en) * | 2011-07-29 | 2012-03-28 | 比亚迪股份有限公司 | Mounting structure of power cell of vehicle |
| CN103171414A (en) * | 2011-12-21 | 2013-06-26 | 福特环球技术公司 | Modular battery component support and sealing |
| CN106494208A (en) * | 2016-11-17 | 2017-03-15 | 上海蓥石汽车技术有限公司 | A kind of batteries of electric automobile bag fixed structure |
| CN108630843A (en) * | 2017-03-23 | 2018-10-09 | 宁德时代新能源科技股份有限公司 | Battery pack protective frame and battery pack |
| CN208393092U (en) * | 2018-05-17 | 2019-01-18 | 东软集团股份有限公司 | battery pack and its mounting assembly |
| CN109398064A (en) * | 2018-10-25 | 2019-03-01 | 永康市特慧工贸有限公司 | A kind of new energy car battery group mounting rack |
| CN209616865U (en) * | 2018-12-29 | 2019-11-12 | 爱驰汽车有限公司 | A kind of battery pack and vehicle body integral structure and automobile |
| CN210837863U (en) * | 2019-11-14 | 2020-06-23 | 东风汽车有限公司 | Battery pack connecting assembly |
| CN211731599U (en) * | 2019-12-31 | 2020-10-23 | 比亚迪股份有限公司 | Vehicle body floor assembly, battery pack thereof and vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 纯电动汽车动力电池箱体的设计研究;赵传军等;《上海汽车》;20191210(第12期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112248784A (en) | 2021-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20180055485A (en) | Battery support structure of vehicle body | |
| JPH05201356A (en) | Car body structure of electric automobile | |
| US10752072B2 (en) | Electrified vehicle with vibration isolator within frame and corresponding method | |
| CN114174103A (en) | Energy accumulator/underbody arrangement for a motor vehicle | |
| CN113815395A (en) | Automobile body and battery case integral structure | |
| CN101722901A (en) | System and method for clamping a chassis cover | |
| KR20210155246A (en) | Vehicle battery mount structure | |
| JP2014031168A (en) | Vehicular floor structure | |
| CN112248784B (en) | Battery system connection sealing mechanism, automobile body and automobile | |
| CN217598323U (en) | Vehicle body integrated power battery connecting structure | |
| CN206691229U (en) | Access hole outer wall construction and vehicular container inspection port structure | |
| CN211107699U (en) | Full-bearing type frame for logistics vehicle | |
| CN219655030U (en) | Sealed screw thread support device | |
| CN112061246A (en) | Vehicle body rear floor structure for hybrid vehicle | |
| CN208085459U (en) | A kind of lightweight new energy car door tailgate | |
| CN211764967U (en) | Vehicle-mounted hydrogen supply system frame for hydrogen fuel logistics vehicle | |
| CN220220935U (en) | Automobile component and automobile | |
| CN219658891U (en) | Battery box and battery and power consumption device with same | |
| CN214189822U (en) | Integrated vehicle body structure and automobile | |
| CN220129934U (en) | Battery mounting point structure and electric automobile | |
| CN217918098U (en) | Chassis structure integrated with battery box | |
| CN220662252U (en) | Electric vehicle | |
| CN217515238U (en) | Automobile body subassembly and vehicle | |
| CN217918096U (en) | Chassis structure integrated with battery box | |
| CN220209144U (en) | Battery structure and new energy automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |