CN111645620A - Battery protective beam - Google Patents
Battery protective beam Download PDFInfo
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- CN111645620A CN111645620A CN201910999382.6A CN201910999382A CN111645620A CN 111645620 A CN111645620 A CN 111645620A CN 201910999382 A CN201910999382 A CN 201910999382A CN 111645620 A CN111645620 A CN 111645620A
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- end bracket
- battery
- guard
- automobile
- protection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a battery protection beam which is arranged at the bottom of an automobile and comprises a first end bracket, a second end bracket and a middle protection piece, wherein the middle area of the middle protection piece is lower than the first end bracket and the second end bracket in the vertical direction, and the middle area of the middle protection piece is lower than the lower end of a battery pack of the automobile in the vertical direction, so that when extreme road conditions are passed, the middle protection piece is preferentially touched with the middle protection piece due to the fact that the middle protection piece is positioned at the front part of the battery pack and is lower than the height of a battery, the battery protection beam cannot interfere with a plug interface at the front part of the battery in the deformation process, and the battery protection beam always has a protection effect on the battery. In addition, the overlapping structure of the middle protection piece and the first end bracket and the second end bracket can ensure that the middle protection piece can fully utilize the rigidity of the brackets at two sides, the size and the wall thickness of the middle protection piece can be reduced to a certain extent, and the structural weight of the whole battery protection beam can be reduced.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a battery protection beam.
Background
At present, a battery pack of a vehicle is usually installed on a chassis of the vehicle, and a gap between a power battery of a pure electric vehicle and the ground is low, so that no protective measures are taken. Due to the fact that the installation position of the battery pack is low, when a vehicle runs on an uneven road surface, the battery pack can be collided or scratched by a convex object on the road surface, the battery pack shell can be punctured, short circuit inside the battery can be caused, thermal runaway can be caused, and serious potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, a battery pack of an electric automobile has a small gap from the ground and is easily collided or scratched by a bulge on a road surface, and a battery pack shell is possibly pierced to cause internal short circuit of the battery, so that thermal runaway is caused.
In order to solve the above technical problems, an embodiment of the present invention discloses a battery protection beam, which is disposed at the bottom of an automobile, and includes a first end bracket, a second end bracket, and a middle protection member, wherein two ends of the middle protection member are respectively connected to the first end bracket and the second end bracket, a middle region of the middle protection member protrudes toward the ground side relative to the first end bracket and the second end bracket, so that a middle region of the middle protection member is lower than the first end bracket and the second end bracket in a vertical direction, the middle protection member is located on a side of a battery pack of the automobile close to a head of the automobile, and the middle region of the middle protection member is lower than a lower end of the battery pack of the automobile in the vertical direction.
Adopt above-mentioned technical scheme, the middle zone of middle part protection piece is less than first end support and second end support in vertical direction, and the middle zone of middle part protection piece is less than the lower extreme of the battery package of car in vertical direction, when passing through extreme road conditions like this, because the front portion that is located the battery package of middle part protection piece, and be less than the battery height, can touch the middle part protection piece preferentially, play the effect to the suggestion of driver, and make the battery protection roof beam at the in-process of deformation, can not interfere the anterior interface of battery, all the time, there is guard action to the battery. In addition, the overlapping structure of the middle protection piece and the first end bracket and the second end bracket can enable the middle protection piece to fully utilize the rigidity of the first end bracket and the second end bracket, the size and the wall thickness of the middle protection piece can be reduced to a certain extent, and the structural weight of the whole battery protection beam can be reduced on the basis of meeting the contact force (more than or equal to 6000N).
According to another embodiment of the present invention, a battery guard beam is disclosed in which the middle region of the middle guard has a protruding shape compared to both ends.
By adopting the technical scheme, the middle area of the middle protection piece is in a protruding shape compared with the two ends, so that the middle protection part of the battery protection beam provided by the invention can be lower than the first end bracket and the second end bracket in the vertical direction, and further the middle area of the middle protection piece is lower than the lower end of a battery pack of an automobile in the vertical direction.
According to another embodiment of the present invention, a battery guard beam is disclosed in which the middle region of the middle guard is vertically different from the lower end of the battery pack of the automobile by at least 5 mm.
By adopting the technical scheme, aiming at the bearing type vehicle body, the battery protection beam is additionally arranged at the front part of the battery, on the basis of meeting the minimum ground clearance of the whole vehicle, the difference between the middle area of the middle protection part and the lower end of the battery pack of the vehicle is at least 5mm in the vertical direction, so that when the vehicle passes through extreme road conditions, as the battery protection beam is positioned at the front part of the battery and is lower than the height of the battery, the ground or other obstacles can preferentially touch the battery protection beam at the bottom of the vehicle when the vehicle meets the extreme road conditions, thereby playing a role of prompting a driver, and simultaneously, as the difference between the middle area of the middle protection part and the lower end of the battery pack of the vehicle is at least 5mm in the vertical direction, the height difference between the battery protection beam and the battery can not interfere with the insertion port at the front part of the battery even if the battery protection beam deforms in the, therefore, the battery protection beam always has a protection effect on the battery no matter whether the battery protection beam is deformed or not.
According to another specific embodiment of the present invention, in the battery protection beam disclosed in the embodiment of the present invention, the first end bracket and the second end bracket are respectively provided with a connection groove at a position where the first end bracket and the second end bracket contact the middle protection member, and both ends of the middle protection member are respectively fixedly connected with the connection grooves corresponding to the first end bracket and the second end bracket by welding.
By adopting the technical scheme, in order to further improve the self rigidity of the whole battery protection beam and further ensure that the middle protection piece of the battery protection beam cannot be easily seriously deformed when being collided or scratched by a bulge on the road surface when a vehicle runs on an uneven road surface, two ends of the middle protection piece can be respectively fixedly connected with the first end bracket and the second end bracket in a welding mode. Further, in order to facilitate welding, connection grooves may be respectively formed at positions where the first end bracket and the second end bracket contact the middle protection member, and both ends of the middle protection member are fixedly connected to the connection grooves corresponding to the first end bracket and the second end bracket, respectively, in a welding manner.
In accordance with another embodiment of the present invention, a battery guard beam is disclosed in which the central guard is integrally formed with the first and second end brackets.
By adopting the technical scheme, in order to further improve the self rigidity of the whole battery protection beam and further ensure that the middle protection piece of the battery protection beam can not be easily seriously deformed when being collided or scratched by a bulge on the road surface when a vehicle runs on an uneven road surface, the middle protection piece can be integrally formed with the first end bracket and the second end bracket, so that the integral rigidity of the whole battery protection beam is improved, the manufacturing process is simplified, and the process cost is saved.
According to another specific embodiment of the present invention, in the battery protection beam disclosed in the embodiment of the present invention, the first end bracket and the second end bracket are respectively provided with at least one fixing hole, one of the first end bracket and the second end bracket is fixedly connected to a subframe of the automobile through the fixing hole provided thereon, and the other of the first end bracket and the second end bracket is fixedly connected to a body of the automobile through the fixing hole provided thereon.
Adopt above-mentioned technical scheme, in order to make the battery guard beam can promote the automobile body rigidity of car simultaneously with the hookup location and the mode of car, can be connected the one end and the automobile body of battery guard beam, the other end is connected with sub vehicle frame, just can increase the biography power passageway when so the car bumps, and the impact that bears on the sub vehicle frame is partly transmitted to automobile body torsion box, and partly transmits to automobile body longeron or crossbeam to the impact when dispersing whole car bumps. In order to meet the functions, in the invention, the first end bracket and the second end bracket are respectively provided with at least one fixing hole, one of the first end bracket and the second end bracket is fixedly connected with an auxiliary frame of the automobile through the fixing hole arranged on the first end bracket and the second end bracket, and the other of the first end bracket and the second end bracket is fixedly connected with the automobile body of the automobile through the fixing hole arranged on the second end bracket.
According to another specific embodiment of the present invention, the battery protection beam disclosed in the embodiment of the present invention has at least one fixing hole respectively formed on the first end bracket and the second end bracket, and the first end bracket and the second end bracket are respectively fixedly connected to the subframe of the vehicle through the fixing holes formed thereon.
By adopting the technical scheme, for the convenience of connecting the battery protection beam with the auxiliary frame, the first end support and the second end support are respectively provided with at least one fixing hole, and the first end support and the second end support are respectively fixedly connected with the automobile body of the automobile through the fixing holes arranged on the first end support and the second end support.
According to another specific embodiment of the present invention, the battery protection beam disclosed in the embodiment of the present invention has at least one fixing hole respectively formed on the first end bracket and the second end bracket, and the first end bracket and the second end bracket are respectively fixedly connected to the body of the automobile through the fixing holes formed thereon.
By adopting the technical scheme, in order to facilitate the connection of the battery protection beam and the automobile body, the first end support and the second end support are respectively provided with at least one fixing hole, and the first end support and the second end support are respectively fixedly connected with the automobile body of the automobile through the fixing holes arranged on the first end support and the second end support.
According to another specific embodiment of the invention, the middle protection part is a protection tubular beam, the diameter of the protection tubular beam is 15-50 mm, and the thickness of the tubular wall of the protection tubular beam is 1-5 mm.
Adopt above-mentioned technical scheme, for making battery protection roof beam have sufficient intensity to satisfy when battery protection roof beam warp under extreme road conditions, do not interfere with rear end battery interface all the time, can set up the middle part and protect the piece for protecting the tubular beam, the diameter of protection tubular beam is 15 ~ 50mm, and the wall thickness of protection tubular beam is 1 ~ 5 mm. Meanwhile, the tubular beam (sectional material) is used, so that the development of a die can be reduced, the development cost is saved, meanwhile, the self rigidity of the circular structure is high, the energy absorption effect is better, and the protection of the battery plug interface is realized better and more cost-effective.
According to another embodiment of the present invention, the battery protection beam is disclosed in which the middle protection member is a sheet metal member.
Adopt above-mentioned technical scheme, the shape structure of middle part guard piece can also set up to the sheet metal component, and the sheet metal component can have great stress surface to avoid whole collision power too concentrated to cause the condition that certain point seriously warp, can take place littleer deformation when the emergence touches end collision, realize the better protection to the rear battery, make it not interfere with rear end battery interface all the time.
The invention has the beneficial effects that:
the invention provides a battery protection beam which is arranged at the bottom of an automobile and comprises a first end support, a second end support and a middle protection piece, wherein the middle area of the middle protection piece is lower than the first end support and the second end support in the vertical direction, and the middle area of the middle protection piece is lower than the lower end of a battery pack of the automobile in the vertical direction. In addition, the overlapping structure of the middle protection piece and the first end bracket and the second end bracket can enable the middle protection piece to fully utilize the rigidity of the first end bracket and the second end bracket, the size and the wall thickness of the middle protection piece can be reduced to a certain extent, and the structural weight of the whole battery protection beam can be reduced on the basis of meeting the contact force (more than or equal to 6000N).
Drawings
Fig. 1 is a schematic view of an overall structure of a battery guard beam according to an embodiment of the present invention.
Description of reference numerals:
10. a battery guard beam;
110. a first end bracket;
120. a second end bracket;
130. a middle guard;
140. a connecting groove;
150. and (7) fixing holes.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
In order to solve the problem that the battery pack of the electric vehicle in the prior art has a small gap from the ground and is easily collided or scratched by a bump on the road surface, which may cause the battery pack housing to be pierced to cause a short circuit inside the battery pack, thereby causing thermal runaway, as shown in fig. 1, an embodiment of this embodiment discloses a battery protection beam 10, the battery protection beam 10 is disposed at the bottom of the vehicle, the battery protection beam 10 includes a first end bracket 110, a second end bracket 120 and a middle protection member 130, both ends of the middle protection member 130 are respectively connected with the first end bracket 110 and the second end bracket 120, a middle region of the middle protection member 130 protrudes toward the ground side relative to the first end bracket 110 and the second end bracket 120, so that the middle region of the middle protection member 130 is lower than the first end bracket 110 and the second end bracket 120 in the vertical direction, and the middle protection member 130 is located at the side of the battery pack of, and the middle region of the middle guard 130 is vertically lower than the lower end of the battery pack of the automobile.
Specifically, in the present embodiment, the middle area of the middle protection member 130 is lower than the first end bracket 110 and the second end bracket 120 in the vertical direction, and the middle area of the middle protection member 130 is lower than the lower end of the battery pack of the automobile in the vertical direction, so that when the vehicle passes through an extreme road condition, the middle protection member 130 is preferentially touched due to the front portion of the battery pack and the lower height of the battery, which plays a role in prompting the driver, and the battery protection beam 10 does not interfere with the front socket of the battery in the deformation process, thereby always protecting the battery. In addition, the overlapping structure of the middle protection member 130 and the first and second end brackets 110 and 120 may make the middle protection member 130 more fully use the rigidity of the first and second end brackets 110 and 120, and may reduce the size and the wall thickness of the middle protection member 130 to a certain extent, so as to reduce the structural weight of the whole battery protection beam 10 on the basis of satisfying the contact force (greater than or equal to 6000N).
As shown in fig. 1, according to another specific embodiment of the present embodiment, in the battery protection beam 10 disclosed in the embodiment of the present embodiment, the middle region of the middle protection member 130 is protruded from both ends, so that the middle protection member 130 of the battery protection beam 10 provided in the present embodiment can be vertically lower than the first end bracket 110 and the second end bracket 120, and further the middle region of the middle protection member 130 can be vertically lower than the lower end of the battery pack of the automobile, so that when passing through an extreme road condition, the middle protection member 130 is located in the front of the battery pack and is lower than the height of the battery, and preferentially touches the middle protection member 130, thereby playing a role of prompting a driver, and enabling the battery protection beam 10 to have no interference with the insertion port in the front of the battery in the deformation process, and always protecting the battery.
As shown in fig. 1, according to another specific embodiment of the present embodiment, the embodiment of the present embodiment discloses a battery guard beam 10 in which the middle region of the middle guard 130 is vertically different from the lower end of the battery pack of the automobile by at least 5 mm.
Specifically, for the vehicle body with a load, in this embodiment, by adding the battery protection beam 10 in front of the battery, on the basis of satisfying the minimum ground clearance of the entire vehicle, the difference between the middle area of the middle protection member 130 and the lower end of the battery pack of the vehicle is at least 5mm in the vertical direction, so that when the vehicle passes through an extreme road condition, because the battery protection beam 10 is located in front of the battery and lower than the height of the battery, when the vehicle encounters the extreme road condition, the ground or other obstacles will preferentially touch the battery protection beam 10 at the bottom of the vehicle, thereby playing a role of prompting the driver, and meanwhile, because the difference between the middle area of the middle protection member 130 and the lower end of the battery pack of the vehicle is at least 5mm in the vertical direction, the height difference between the battery protection beam 10 and the battery will not interfere with the socket at the front of the battery even if the battery protection beam 10 deforms, the battery guard beam 10 thus always protects the battery regardless of deformation.
As shown in fig. 1, according to another specific embodiment of this embodiment, in the battery protection beam 10 disclosed in this embodiment of this embodiment, the positions where the first end bracket 110 and the second end bracket 120 contact the middle protection member 130 are respectively provided with a connection groove 140, and both ends of the middle protection member 130 are respectively fixedly connected with the corresponding connection grooves 140 of the first end bracket 110 and the second end bracket 120 by welding.
Specifically, in order to further improve the stiffness of the whole battery protection beam 10 and further ensure that the middle protection member 130 of the battery protection beam 10 is not easily deformed seriously when being collided or scratched by a bump on the road surface when the vehicle runs on an uneven road surface, two ends of the middle protection member 130 may be fixedly connected to the first end bracket 110 and the second end bracket 120 respectively by welding. Further, in order to facilitate welding, a connection groove 140 may be provided at a position where the first end bracket 110 and the second end bracket 120 contact the middle guard 130, and both ends of the middle guard 130 are fixedly connected to the connection grooves 140 corresponding to the first end bracket 110 and the second end bracket 120, respectively, in a welding manner. In addition, the shape of the connection groove 140 and the depth of the groove may be determined according to the shape and size of the middle guard 130, and this embodiment is not particularly limited thereto.
As shown in fig. 1, according to another specific embodiment of the present embodiment, the embodiment of the present embodiment discloses a battery guard beam 10 in which a middle guard 130 is integrally formed with a first end bracket 110 and a second end bracket 120.
Specifically, in order to further improve the self-rigidity of the whole battery protection beam 10 and further ensure that the middle protection member 130 of the battery protection beam 10 is not easily seriously deformed when being collided or scratched by a bump on the road surface when the vehicle runs on an uneven road surface, the middle protection member 130 may be integrally formed with the first end bracket 110 and the second end bracket 120, so that the whole rigidity of the whole battery protection beam 10 is improved, the manufacturing process is simplified, and the manufacturing process cost is saved.
As shown in fig. 1, according to another specific embodiment of this embodiment, in the battery guard beam 10 disclosed in this embodiment of this embodiment, the first end bracket 110 and the second end bracket 120 are respectively provided with at least one fixing hole 150, one of the first end bracket 110 and the second end bracket 120 is fixedly connected to a subframe of the automobile through the fixing hole 150 provided thereon, and the other of the first end bracket 110 and the second end bracket 120 is fixedly connected to the body of the automobile through the fixing hole 150 provided thereon.
Specifically, in order to enable the connection position and the connection mode of the battery protection beam 10 and the automobile to simultaneously improve the rigidity of the automobile body, one end of the battery protection beam 10 can be connected with the automobile body, the other end of the battery protection beam is connected with the auxiliary frame, a force transmission channel can be added when the automobile collides, a part of the collision force borne by the auxiliary frame is transmitted to the automobile body torsion box, and a part of the collision force is transmitted to the automobile body longitudinal beam or the automobile body cross beam so as to disperse the collision force of the whole automobile when the automobile collides. In order to satisfy the above function, in the present embodiment, the first end bracket 110 and the second end bracket 120 are respectively provided with at least one fixing hole 150, one of the first end bracket 110 and the second end bracket 120 is fixedly connected to a subframe of the automobile through the fixing hole 150 provided thereon, and the other of the first end bracket 110 and the second end bracket 120 is fixedly connected to a body of the automobile through the fixing hole 150 provided thereon. Specifically, a fixing hole 150 is formed in the first end bracket 110, a fixing hole 150 is formed in the second end bracket 120 at a position opposite to the fixing hole 150 of the first end bracket 110, and the entire battery protection beam 10 can be fixed to the body and the subframe of the vehicle only through the fixing hole 150 of the first end bracket 110 and the fixing hole 150 of the second end bracket 120. Alternatively, two opposite fixing holes 150 are formed in the first end bracket 110, one fixing hole 150 is formed in the second end bracket 120, and the entire battery protection beam 10 can be fixed to the body and subframe of the vehicle only through the two fixing holes 150 in the first end bracket 110 and the second end bracket 120. The number of the fixing holes 150 may not be limited to the examples given in this embodiment, and may be selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific embodiment of this embodiment, in the battery protection beam 10 disclosed in the embodiment of this embodiment, the battery protection beam 10 may also be only configured to be connected to a subframe, in order to facilitate the connection between the battery protection beam 10 and the subframe, at least one fixing hole 150 is respectively disposed on the first end bracket 110 and the second end bracket 120, and the first end bracket 110 and the second end bracket 120 are respectively fixedly connected to the subframe of the automobile through the fixing holes 150 disposed thereon. The number of the fixing holes 150 may not be limited to the examples given in this embodiment, and may be selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific embodiment of this embodiment, in the battery protection beam 10 disclosed in the embodiment of this embodiment, the battery protection beam 10 may also be only configured to be connected to the vehicle body, in order to facilitate the connection between the battery protection beam 10 and the vehicle body, at least one fixing hole 150 is respectively disposed on the first end bracket 110 and the second end bracket 120, and the first end bracket 110 and the second end bracket 120 are respectively fixedly connected to the vehicle body of the vehicle through the fixing holes 150 disposed thereon. The number of the fixing holes 150 may not be limited to the examples given in this embodiment, and may be selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific embodiment of the present embodiment, in the battery protection beam 10 disclosed in the embodiment of the present embodiment, the middle protection member 130 is a protection tubular beam, the diameter of the protection tubular beam is 15 to 50mm, and the thickness of the tubular wall of the protection tubular beam is 1 to 5 mm.
Specifically, in order to make the battery protection beam 10 have sufficient strength to satisfy when the battery protection beam 10 deforms under extreme road conditions, not interfere with the rear-end battery interface all the time, the middle protection piece 130 can be set as a protection tubular beam, the diameter of the protection tubular beam is 15-50 mm, and the thickness of the tubular wall of the protection tubular beam is 1-5 mm. Meanwhile, the tubular beam (sectional material) is used, so that the development of a die can be reduced, the development cost is saved, meanwhile, the self rigidity of the circular structure is high, the energy absorption effect is better, and the protection of the battery plug interface is realized better and more cost-effective. The diameter and the wall thickness of the specific protective tubular beam can be selected according to actual needs, which is not specifically limited in this embodiment. In addition, the material of the protective tubular beam may be carbon steel or aluminum alloy, and may be specifically selected according to actual needs, which is not specifically limited in this embodiment.
As shown in fig. 1, according to another specific embodiment of this embodiment, the battery protection beam 10 disclosed in this embodiment of this embodiment has a middle protection member 130 made of sheet metal. The sheet metal component can have great stress surface to avoid whole collision power too to concentrate on the condition that this department seriously warp that causes in somewhere, can take place littleer deformation when the collision that contacts to the ground takes place, realize the better protection to rear battery, make it not interfere with rear end battery interface all the time. In addition, the sheet metal part may be made of carbon steel or aluminum alloy, and may be specifically selected according to actual needs, and this embodiment is not specifically limited to this.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention, including several simple deductions and substitutions.
Claims (10)
1. A battery guard beam disposed at the bottom of an automobile, characterized in that the battery guard beam comprises a first end bracket, a second end bracket, and a middle guard, both ends of the middle guard are respectively connected with the first end bracket and the second end bracket, a middle area of the middle guard protrudes toward the ground side relative to the first end bracket and the second end bracket, so that the middle area of the middle guard is lower than the first end bracket and the second end bracket in the vertical direction, the middle guard is located at the side of a battery pack of the automobile close to the head of the automobile, and the middle area of the middle guard is lower than the lower end of the battery pack of the automobile in the vertical direction.
2. The battery guard beam of claim 1, wherein the middle region of the middle guard is shaped to protrude compared to the two ends.
3. The battery guard beam defined in claim 2 wherein the middle region of the middle guard is at least 5mm vertically different from the lower end of the battery pack of the automobile.
4. The battery guard beam according to claim 3, wherein the first end bracket and the second end bracket are provided with a connection groove at a position where they contact the middle guard, respectively, and both ends of the middle guard are fixedly connected to the connection grooves corresponding to the first end bracket and the second end bracket, respectively, by welding.
5. The battery guard beam defined in claim 3 wherein the central guard is integrally formed with the first end bracket and the second end bracket.
6. The battery guard beam according to claim 1, wherein the first end bracket and the second end bracket are respectively provided with at least one fixing hole, one of the first end bracket and the second end bracket is fixedly connected with a sub-frame of the automobile through the fixing hole provided thereon, and the other of the first end bracket and the second end bracket is fixedly connected with a body of the automobile through the fixing hole provided thereon.
7. The battery guard beam according to claim 1, wherein the first end bracket and the second end bracket are respectively provided with at least one fixing hole, and the first end bracket and the second end bracket are respectively fixedly connected with a sub-frame of the automobile through the fixing holes provided thereon.
8. The battery guard beam according to claim 1, wherein the first end bracket and the second end bracket are respectively provided with at least one fixing hole, and the first end bracket and the second end bracket are respectively fixedly connected with the body of the automobile through the fixing holes provided thereon.
9. The battery guard beam according to claim 1, wherein the middle guard is a guard tubular beam having a diameter of 15 to 50mm and a thickness of 1 to 5 mm.
10. The battery guard beam defined in claim 1 wherein the central guard is sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999382.6A CN111645620B (en) | 2019-10-21 | 2019-10-21 | Battery protective beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999382.6A CN111645620B (en) | 2019-10-21 | 2019-10-21 | Battery protective beam |
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| CN111645620A true CN111645620A (en) | 2020-09-11 |
| CN111645620B CN111645620B (en) | 2022-03-15 |
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| CN201910999382.6A Active CN111645620B (en) | 2019-10-21 | 2019-10-21 | Battery protective beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045915A1 (en) * | 2022-08-31 | 2024-03-07 | 浙江极氪智能科技有限公司 | Auxiliary frame for vehicle, and vehicle |
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| CN111645620B (en) | 2022-03-15 |
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