CN113120086A - Automobile body support, automobile body support subassembly and electric automobile with dismantlement formula back beam - Google Patents
Automobile body support, automobile body support subassembly and electric automobile with dismantlement formula back beam Download PDFInfo
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- CN113120086A CN113120086A CN201911415807.0A CN201911415807A CN113120086A CN 113120086 A CN113120086 A CN 113120086A CN 201911415807 A CN201911415807 A CN 201911415807A CN 113120086 A CN113120086 A CN 113120086A
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- 230000007246 mechanism Effects 0.000 claims description 52
- 230000002349 favourable effect Effects 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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Classifications
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- 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
- B62D21/12—Understructures, i.e. chassis frame on which a vehicle body may be mounted assembled from readily detachable parts
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- 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
- B62D21/09—Means for mounting load bearing surfaces
Abstract
The invention discloses a vehicle body support with a detachable rear beam, a vehicle body support assembly and an electric vehicle. The automobile body support comprises a support body and a rear beam, the support body comprises a front beam and two opposite longitudinal beams, and the front beam is connected between the two longitudinal beams so that the support body is formed into an open structure with an opening. The rear beam is detachably connected with one end, far away from the front beam, of the longitudinal beam. The vehicle body bracket assembly comprises a battery pack and a vehicle body bracket. The electric vehicle comprises a chassis and a body support assembly. In this body bracket, the back beam can be dismantled with the longeron and be connected, and when body bracket was connected to the chassis, the back beam can be dismantled, is favorable to reducing body bracket's weight and the space that occupies, and then is favorable to realizing electric automobile's lightweight.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to a vehicle body support with a detachable rear beam, a vehicle body support assembly and an electric automobile.
Background
The electric automobile replaces oil with electricity, can realize zero emission and low noise, and is an important means for solving the problems of energy and environment. With the shortage of petroleum resources and the development of battery technology, the performance and the economical efficiency of electric vehicles are close to or even better than those of traditional fuel vehicles, and the electric vehicles are gradually popularized and applied worldwide. A new generation of energy-saving and environment-friendly automobiles represented by electric automobiles is a necessary trend in the development of the automobile industry. As an important premise and foundation for large-scale popularization and application of electric automobiles, development of electric automobile battery charging and replacing technology and construction of electric automobile battery charging and replacing facilities attract extensive attention of all parties.
For the electric vehicle of the power exchange type, the battery needs to be replaced regularly or irregularly, the vehicle body bracket is an important component of the electric vehicle, the battery pack is fixed on the vehicle body bracket, and the vehicle body bracket is connected to a chassis of the electric vehicle.
In prior art, the automobile body support includes back beam and support body usually, and the back beam is fixed connection usually on the automobile body support, and when the automobile body support was connected to the chassis, the back beam had not been used, but the back beam still need occupy certain space, leads to electric automobile's space utilization to be lower, and can increase the weight of whole car, is unfavorable for electric automobile's lightweight. In addition, the stent body is also typically provided as a unitary structure. On one hand, the vehicle body bracket occupies a larger space when being transported or stored; on the other hand, when a certain part of the vehicle body bracket (for example, a part provided with the locking mechanism, the locking mechanism is used for locking and fixing the battery pack) is damaged, the bracket body needs to be replaced integrally, and the replacement cost is high.
From the above, the vehicle body support in the prior art has the defects of inconvenient transportation, high replacement cost and inconvenience for light weight of the electric vehicle.
Disclosure of Invention
The invention aims to overcome the defects that a vehicle body support occupies a large space and is not beneficial to light weight of an electric vehicle in the prior art, and provides a vehicle body support with a detachable rear beam, a vehicle body support component and an electric vehicle.
The invention solves the technical problems through the following technical scheme:
a vehicle body bracket with a detachable rear beam is used for connecting and installing a battery pack on a chassis of an electric vehicle and is characterized by comprising a bracket body and a rear beam, wherein the bracket body comprises a front beam and two longitudinal beams which are oppositely arranged, and the front beam is connected between the two longitudinal beams so that the bracket body is formed into an open structure with an opening; the rear beam is detachably connected with one end, far away from the front beam, of the longitudinal beam.
In this scheme, the back beam can be dismantled with the longeron and be connected, and when the automobile body support was connected to the chassis, the back beam can be dismantled, is favorable to reducing the weight of automobile body support and the space that occupies, and then is favorable to realizing electric automobile's lightweight.
Preferably, the both ends of back beam all have connecting portion, be equipped with first mounting hole on the connecting portion, the both ends of back beam are passed through respectively first mounting hole can dismantle connect in two on the longeron, so that the back beam can dismantle connect in the opening part.
In this scheme, adopt above-mentioned structure setting, just can realize dismantling of back beam and longeron to be connected through the complex fastener with above-mentioned first mounting hole, simple structure is favorable to further reducing the weight of automobile body support.
Preferably, the back beam still has the connecting plate, the connecting plate is connected in two between the connecting portion, the connecting plate with the hookup location department of connecting portion is formed with the contained angle, the scope of contained angle is for being greater than 0 degree and being less than 180 degrees.
Preferably, the connecting plate and the connecting part are detachably connected or integrally formed.
In the scheme, the connecting plate is detachably connected with the connecting part, when the vehicle body support is connected to the chassis, the rear beam can be detached, and at the moment, the connecting plate and the connecting part can be detached, so that the connecting plate and the connecting part are convenient to store and convey, and the occupied space is small; in addition, if the connecting plate or the connecting part is damaged, the connecting plate or the connecting part is convenient to replace, only corresponding elements need to be replaced, the rear beam does not need to be replaced integrally, and cost reduction is facilitated. The connecting plate and the connecting part are integrally formed, and the connecting plate and the connecting part are connected together without using an additional connecting structure, so that the whole weight of the vehicle body support is reduced.
Preferably, a locking mechanism is mounted on a side wall of the longitudinal beam, which is used for facing the battery pack, and the locking mechanism is used for locking and fixing the battery pack.
Preferably, the longitudinal beam is further provided with an upper in-place sensor and a front in-place sensor, the upper in-place sensor is used for detecting whether the battery pack is installed in place relative to the longitudinal beam along the height direction of the longitudinal beam, and the front in-place sensor is used for detecting whether the battery pack is installed in place relative to the longitudinal beam along the length direction of the longitudinal beam.
Preferably, the longitudinal beam is provided with a vehicle body mounting plate and a battery pack fixing plate, the battery pack fixing plate is used for mounting and fixing a battery pack, and the vehicle body mounting plate is used for connecting the chassis.
Preferably, the automobile body mounting panel includes first mounting panel and first connecting plate, first mounting panel be used for connecting and install in the chassis, the battery package fixed plate includes second mounting panel and second connecting plate, the second mounting panel is used for connecting and installs the battery package, the one end of second connecting plate with the top of second mounting panel is connected, first connecting plate connect in the other end of second connecting plate with between the first mounting panel, first mounting panel with the vertical distance of the bottom of second mounting panel is less than the vertical height of second mounting panel.
In this scheme, the cross sectional shape of longeron is similar to be the T type, adopts above-mentioned structure setting, is equivalent to that first mounting panel is located the middle part of second mounting panel (not being equivalent to the central part) to when making first mounting panel connect in the chassis, can reduce the distance between chassis and the locking mechanism, be favorable to improving rigidity, and then be favorable to improving the fixed effect of battery package.
Preferably, the connecting portion is pressed on the top of the second connecting plate, a second mounting hole is formed in the top of the second connecting plate, and the connecting portion is detachably connected to the second connecting plate through the first mounting hole and the second mounting hole.
In this scheme, the back beam is connected in the top of second connecting plate, and it is comparatively convenient to connect, and is lower to the requirement of back beam.
Preferably, the connecting part is pressed on the top of the first mounting plate, a third mounting hole is formed in the top of the first mounting plate, and the connecting part is detachably connected to the first mounting plate through the first mounting hole and the third mounting hole;
or, the end connection of first mounting panel has intermediate junction board, be equipped with intermediate junction hole on the intermediate junction board, connecting portion pass through first mounting hole with intermediate junction hole can dismantle connect in first mounting panel.
In this scheme, the back beam is connected to the first mounting panel, and the back beam both can be connected to the top of first mounting panel, also can be connected to the tip of first mounting panel. Wherein, if connected to the top of the first mounting plate, the connecting portion needs to extend to the top of the first mounting plate; the connection portion is required to extend to the end portion of the first mounting plate when connected to the end portion of the first mounting plate, and the intermediate connection plate is generally required to be provided to ensure the connection reliability because the cross section of the end portion of the first mounting plate is small.
Preferably, the connecting portion abuts against the second mounting plate, a fourth mounting hole is formed in one side of the second mounting plate facing the connecting portion, and the connecting portion is detachably connected to the second mounting plate through the first mounting hole and the fourth mounting hole.
In this scheme, the back beam is connected in the second mounting panel, and it is also comparatively convenient to connect.
Preferably, the longitudinal beam is formed by detachably connecting three split structures, and comprises a first split structure, a second split structure and a third split structure which are detachably connected in sequence;
the first split structure is connected to the rear beam, and the third split structure is connected to the front beam;
the vehicle body support further comprises a locking mechanism, the locking mechanism is used for locking and fixing the battery pack, and the locking mechanism is arranged on one side, facing the battery pack, of the second split structure.
In the scheme, the longitudinal beam is formed by splicing three split structures, so that on one hand, the split structures occupy smaller space during transportation or storage, the requirements on transportation and storage are lower, and the transportation and storage cost is favorably reduced; on the other hand, when a certain part is damaged, only the corresponding damaged part can be replaced, the whole longitudinal beam does not need to be replaced, and replacement and manufacturing cost can be reduced. In addition, the locking mechanism is used for realizing locking and fixing of the battery pack, and the structure for realizing the function is arranged in the same split structure positioned in the middle part, so that the locking and fixing of the battery pack are realized, and the reliability of locking and fixing is guaranteed.
Preferably, the vehicle body support further comprises a positioning mechanism, the positioning mechanism is used for positioning the battery pack, and the positioning mechanism is arranged on one side, facing the battery pack, of the first split structure and/or the third split structure.
Preferably, the positioning mechanism is a positioning seat, the positioning seat is provided with an opening and a cavity extending from the opening, and the opening is used for allowing a lock shaft mounted on the battery pack to enter the cavity.
The invention also provides a vehicle body support assembly which comprises a battery pack and is characterized by also comprising the vehicle body support with the detachable rear beam, wherein the battery pack is positioned in the opening structure.
The invention also provides an electric automobile which comprises a chassis and is characterized by further comprising the automobile body support assembly, and the automobile body support assembly is connected to the chassis.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
in this body bracket, the back beam can be dismantled with the longeron and be connected, and when body bracket was connected to the chassis, the back beam can be dismantled, is favorable to reducing body bracket's weight and the space that occupies, and then is favorable to realizing electric automobile's lightweight. Accordingly, the weight and the occupied space of the vehicle body bracket assembly containing the vehicle body bracket are reduced.
Drawings
Fig. 1 is a schematic overall structure view of a vehicle body frame with a detachable rear frame according to a preferred embodiment of the present invention.
Fig. 2 is a partial structural view of a vehicle body frame with a detachable rear frame according to a preferred embodiment of the present invention, showing a positioning mechanism and also showing the connection of the rear frame to a side member.
Fig. 3 is a partial structural view of a vehicle body frame with a detachable rear frame according to a preferred embodiment of the present invention, showing the connection of the rear frame to the side frame.
Fig. 4 is a partial structural view of a side member of a vehicle body frame according to a preferred embodiment of the present invention.
Fig. 5 is another partial structural view of a side member in a vehicle body frame according to a preferred embodiment of the present invention.
Fig. 6 is a schematic connection diagram of the longitudinal beam and the locking structure in the vehicle body bracket according to a preferred embodiment of the invention.
Description of reference numerals:
10 vehicle body mounting plate
101 first mounting plate
102 first connecting plate
103 first raised portion
104 second raised portion
1041 mounting hole
20 battery pack fixing plate
201 second mounting plate
202 second connecting plate
30 crossbeam
40 rear beam
401 connecting part
4011 first mounting hole
402 connecting plate
50 locking mechanism
60 positioning mechanism
Detailed Description
The present invention is further illustrated by way of example and not by way of limitation in the scope of the following examples in connection with the accompanying drawings.
The present embodiment discloses a body frame with a detachable rear beam for connecting and mounting a battery pack to a chassis of an electric vehicle, as shown in fig. 1 to 6, the body frame includes a frame body and a rear beam 40, the frame body includes a front beam and two opposing side beams, the front beam is connected between the two side beams, so that the frame body is formed into an open structure having an opening; the rear beam 40 is detachably connected to one end of the longitudinal beams far away from the front beam.
In this embodiment, the back beam 40 is detachably connected to the longitudinal beam, and when the body frame is connected to the chassis, the back beam 40 is detachable, which is beneficial to reducing the weight and occupied space of the body frame, and is further beneficial to realizing the light weight of the electric vehicle.
As shown in fig. 1 to 3, two ends of the back beam 40 are respectively provided with a connecting portion 401, the connecting portion 401 is provided with a first mounting hole 4011, and two ends of the back beam 40 are detachably connected to the two longitudinal beams through the first mounting holes 4011, so that the back beam 40 is detachably connected to the opening.
Wherein, through the complex fastener with above-mentioned first mounting hole 4011 just can realize being connected with dismantling of longeron with back beam 40, simple structure is favorable to further reducing the weight of automobile body support.
As shown in fig. 1 to 3, the back beam 40 further has a connecting plate 402, the connecting plate 402 is connected between two connecting portions 401, and an included angle is formed at a connecting position of the connecting plate 402 and the connecting portion 401, and the included angle ranges from greater than 0 degree to less than 180 degrees. Specifically, in the present embodiment, the angle is 90 degrees.
In the present embodiment, the connection plate 402 and the connection portion 401 are integrally molded. Connecting plate 402 and connecting portion 401 integrated into one piece, need not use extra connection structure to link together between connecting plate 402 and the connecting portion 401, are favorable to reducing the whole weight of automobile body support.
In other alternative embodiments, the connection plate 402 and the connection portion 401 may be detachably connected. The connecting plate 402 is detachably connected with the connecting part 401, when the vehicle body support is connected to the chassis, the back beam 40 can be detached, and at the moment, the connecting plate 402 and the connecting part 401 can also be detached, so that the connecting plate 402 and the connecting part 401 are convenient to store and convey, and the occupied space is small; in addition, if the connecting plate 402 or the connecting part 401 is damaged, the replacement is also convenient, only corresponding elements need to be replaced, and the rear beam 40 does not need to be replaced integrally, so that the cost is reduced.
As shown in fig. 1 and 6, a locking mechanism 50 is mounted on a side wall of the side member facing the battery pack, and the locking mechanism 50 is used for locking and fixing the battery pack. The longitudinal beam is also provided with an upper in-place sensor and a front in-place sensor, the upper in-place sensor is used for detecting whether the battery pack is installed in place relative to the longitudinal beam along the height direction of the longitudinal beam, and the front in-place sensor is used for detecting whether the battery pack is installed in place relative to the longitudinal beam along the length direction of the longitudinal beam.
It should be noted that the locking mechanism 50 shown in fig. 1 and 6 is only one of the locking mechanisms schematically shown. In fact, the locking mechanism includes a first locking mechanism and a second locking mechanism, wherein the first locking mechanism is a primary locking mechanism for locking and fixing the battery, and the primary locking mechanism can be referred to as "locking device" disclosed in chinese patent application with publication number CN 106427514A; the second locking mechanism is a second-stage locking mechanism, can provide a locking protection function for the battery pack, and can be used for preventing the battery pack from falling when the first locking mechanism is locked to fail, so that the safety performance is improved. The locking mechanisms shown in fig. 1 and 6 are corresponding two-stage locking mechanisms.
As shown in fig. 1 and fig. 4 to 6, the longitudinal beam has a vehicle body mounting plate 10 and a battery pack fixing plate 20, the battery pack fixing plate 20 is used for mounting and fixing a battery pack, and the vehicle body mounting plate 10 is used for connecting a chassis. The vehicle body mounting plate 10 comprises a first mounting plate 101 and a first connecting plate 102, the first mounting plate 101 is used for being connected and mounted on a chassis, the battery pack fixing plate 20 comprises a second mounting plate 201 and a second connecting plate 202, the second mounting plate 201 is used for being connected and mounting a battery pack, one end of the second connecting plate 202 is connected with the top end of the second mounting plate 201, the first connecting plate 102 is connected between the other end of the second connecting plate 202 and the first mounting plate 101, and the vertical distance between the bottom ends of the first mounting plate 101 and the second mounting plate 201 is smaller than the vertical height of the second mounting plate 201.
In this embodiment, the cross-sectional shape of the longitudinal beam is similar to a T shape, and the above structure is adopted, which is equivalent to that the first mounting plate 101 is located in the middle (not equivalent to the central portion) of the second mounting plate 201, so that when the first mounting plate 101 is connected to the chassis, the distance between the chassis and the locking mechanism 50 can be reduced, which is beneficial to improving the rigidity, and is further beneficial to improving the fixing effect of the battery pack.
As shown in fig. 1-3, connection portion 401 is press-fitted on top of second connection plate 202, a second mounting hole 1041 is provided on top of second connection plate 202, and connection portion 401 is detachably connected to second connection plate 202 through first mounting hole 4011 and second mounting hole 1041. The back beam 40 is connected to the top of the second connecting plate 202, so that the connection is convenient, and the requirement on the back beam 40 is low.
It should be noted that in other alternative embodiments, the back beam 40 may be connected to the first mounting plate 101. The method specifically comprises the following steps: connecting portion 401 presses the top of locating first mounting panel 101, and the top of first mounting panel 101 is equipped with third mounting hole 1041, and connecting portion 401 is through first mounting hole 4011 and third mounting hole 1041 detachable connection in first mounting panel 101. Alternatively, it may be configured such that: end connection of first mounting panel 101 has middle connecting plate 402, is equipped with middle connecting hole on middle connecting plate 402, and connecting portion 401 can dismantle through first mounting hole 4011 and middle mounting hole 1041 and connect in first mounting panel 101.
Wherein the back beam 40 is attached to the first mounting plate 101, the back beam 40 may be attached to either the top of the first mounting plate 101 or the end of the first mounting plate 101. Wherein, if the connection part is connected to the top of the first mounting board 101, the connection part 401 needs to extend to the top of the first mounting board 101; the connection portion 401 also needs to extend to the end of the first mounting board 101 when connected to the end of the first mounting board 101, and the intermediate connection plate 402 is generally needed to ensure the connection reliability because the end of the first mounting board 101 has a small cross section.
In another alternative embodiment, the rear beam 40 may also be attached to the second mounting plate 201. The method specifically comprises the following steps: connecting portion 401 butt in second mounting panel 201, is equipped with fourth mounting hole 1041 towards one side of connecting portion 401 in second mounting panel 201, and connecting portion 401 can dismantle through first mounting hole 4011 and fourth mounting hole 1041 and connect in second mounting panel 201.
In addition, in the present embodiment, the longitudinal beam is formed by detachably connecting three split structures, and includes a first split structure, a second split structure, and a third split structure, which are detachably connected in this order; wherein, the first split structure is connected to the rear beam 40, and the third split structure is connected to the front beam. The locking mechanism 50 is provided on the side of the second split structure for facing the battery pack.
The longitudinal beam is formed by splicing three split structures, so that on one hand, the split structures occupy smaller space during transportation or storage, the requirements on transportation and storage are lower, and the transportation and storage cost is reduced; on the other hand, when a certain part is damaged, only the corresponding damaged part can be replaced, the whole longitudinal beam does not need to be replaced, and replacement and manufacturing cost can be reduced. In addition, the locking mechanism 50 is used for realizing locking and fixing of the battery pack, and the structure for realizing the function is arranged in the same split structure positioned in the middle part, so that the locking and fixing of the battery pack are favorably realized, and the reliability of the locking and fixing is favorably ensured.
As shown in fig. 1 and 2, the vehicle body bracket further includes a positioning mechanism 60, the positioning mechanism 60 is used for positioning the battery pack, and the positioning mechanism 60 is disposed on one side of the first split structure and/or the third split structure, which is used for facing the battery pack. Specifically, the positioning mechanism 60 is a positioning seat, and the positioning seat is provided with an opening and a cavity extending from the opening, and the opening is used for allowing a lock shaft installed on the battery pack to enter the cavity.
As shown in fig. 4-6, a first angle is formed between the first mounting plate 101 and the first connecting plate 102, a second angle is formed between the second mounting plate 201 and the second connecting plate 202, and a third angle is formed between the first connecting plate 102 and the second connecting plate 202; the second included angle is 90 degrees, and the first included angle and the third included angle are both larger than or equal to 90 degrees and smaller than 180 degrees. So set up, be convenient for realize second connecting plate 202, first mounting panel 101 etc. and external component's connection to be convenient for realize the connection of body support and external component.
It should be noted that the preferred angle ranges of the first angle and the third angle are both 90 degrees to 120 degrees. So set up, both be favorable to guaranteeing the overall stability of automobile body support, be favorable to again realizing being connected of automobile body support and external component.
Specifically, in the present embodiment, the second connection plate 202 is parallel to the first mounting plate 101 so that the first included angle is equal to the third included angle. And the first included angle and the third included angle are both 120 degrees.
The vertical distance between the center position of the lock mechanism 50 and the first mounting plate 101 is 0. So set up, when first mounting panel 101 is connected in the chassis, the central point that chassis and locking mechanical system 50 put can be located same horizontal plane, and the vertical distance minimizing between the central point that chassis and locking mechanical system 50 put to can further improve rigidity, and then further improve the fixed effect of battery package.
In the present embodiment, an accommodating space is defined between the second mounting plate 201, the second connecting plate 202, the first connecting plate 102 and the first mounting plate 101. The second mounting plate 201 is further provided with a sensor fixing structure for fixing the in-place sensor and the front in-place sensor, and the sensor fixing structure is located in the accommodating space.
The sensor fixing structure, the upper in-place sensor and the front in-place sensor are all located in the accommodating space, and the accommodating space can protect the sensor fixing structure, the upper in-place sensor and the front in-place sensor, so that normal use of the front in-place sensor and the upper in-place sensor is guaranteed.
Specifically, the sensor fixing structure includes a mounting nut (not shown in the drawings) that is mounted on the second mounting plate 201 at a position corresponding to the locking mechanism 50 in a side for facing away from the battery pack.
Wherein, just can be with before the sensor that targets in place and on the sensor that targets in place comparatively reliably install second mounting panel 201 through a fastener and mounting nut cooperation, the structure is comparatively simple, and the space that occupies is less on second mounting panel 201, and then is favorable to simplifying the structure of automobile body support to and be favorable to realizing the lightweight of automobile body support.
As shown in fig. 4 to 6, the first mounting plate 101 is provided with a first projection 103 at a position corresponding to a position where the locking mechanism 50 is mounted on the second mounting plate 201. Wherein, for the first convex portion 103, in the height direction, the first convex portion 103 extends from the first mount board 101 along the height direction of the second mount board 201; in the longitudinal direction, the first protrusion 103 extends from the first mounting board 101 toward the direction approaching the second mounting board 201.
Wherein, first bellying 103 is located the one side of being connected with the chassis on first mounting panel 101, and first bellying 103 can play the effect of bed hedgehopping and dodging, conveniently realizes the installation of locking mechanical system 50 and second mounting panel 201, is favorable to improving the packaging efficiency of automobile body support.
It should be noted that, in other alternative embodiments, the first protruding portion 103 is not limited to be disposed at a position corresponding to the locking mechanism, and actually, the first protruding portion 103 may be disposed at a position corresponding to other structures mounted to the second mounting plate 201 according to actual needs, for example, the first protruding portion 103 may also be disposed at a position corresponding to the above-mentioned positioning mechanism 60.
Specifically, in the present embodiment (see fig. 5), the top surface of the first projecting portion 103 is an arc surface. Wherein, the space that the cambered surface occupy is less, and smooth no edges and corners, can reduce or even avoid causing the damage to external element to, adopt above-mentioned structure setting, can conveniently realize the installation of locking mechanism 50 and second mounting panel 201 on the reduction causes the damage basis to external element.
As shown in fig. 1 and fig. 4 to 6, the first mounting plate 101 is provided with a plurality of second protrusions 104 at intervals along the longitudinal direction, and the plurality of second protrusions 104 extend from the first mounting plate 101 along the height direction of the second mounting plate 201. The top surfaces of the second protruding portions 104 are all flat surfaces, the first mounting plate 101 is connected to the chassis through the second protruding portions 104, and the top surfaces of the second protruding portions 104 are attached to the chassis.
In this embodiment, the arrangement of the second protruding portion 104 is beneficial to realizing reliable attachment of the first mounting plate 101 to the chassis, and is further beneficial to realizing the connection reliability of the first mounting plate 101 to the chassis.
As shown in fig. 1 and fig. 4 to 5, a mounting hole 1041 is provided at the top of each second protrusion 104, and the second protrusion 104 is used for being detachably connected with the chassis through the mounting hole 1041.
The present embodiment also discloses a vehicle body mount assembly that includes a battery pack and the vehicle body mount with the removable back beam 40 described above, the battery pack being located within the open structure.
The embodiment also discloses an electric automobile, which comprises a chassis and the body support assembly, wherein the body support assembly is connected to the chassis.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (16)
1. A vehicle body bracket with a detachable rear beam is used for connecting and installing a battery pack on a chassis of an electric vehicle, and is characterized by comprising a bracket body and a rear beam, wherein the bracket body comprises a front beam and two longitudinal beams which are oppositely arranged, and the front beam is connected between the two longitudinal beams so that the bracket body is formed into an open structure with an opening; the rear beam is detachably connected with one end, far away from the front beam, of the longitudinal beam.
2. The vehicle body support with the detachable rear beam as claimed in claim 1, wherein the rear beam has connecting portions at both ends thereof, the connecting portions are provided with first mounting holes, and both ends of the rear beam are detachably connected to the two longitudinal beams through the first mounting holes, respectively, so that the rear beam is detachably connected to the opening.
3. The vehicle body support with the detachable back beam as claimed in claim 2, wherein the back beam further has a connecting plate, the connecting plate is connected between the two connecting portions, an included angle is formed at a connecting position of the connecting plate and the connecting portion, and the included angle ranges from more than 0 degree to less than 180 degrees.
4. The body frame with a detachable back beam according to claim 3, wherein the connecting plate and the connecting portion are detachably connected or integrally formed.
5. The vehicle body bracket with the detachable rear beam as claimed in claim 1, wherein a locking mechanism is mounted on a side wall of the longitudinal beam for facing the battery pack, and the locking mechanism is used for locking and fixing the battery pack.
6. The vehicle body bracket with a detachable rear beam as claimed in claim 5, wherein an upper in-position sensor and a front in-position sensor are further mounted on the longitudinal beam, the upper in-position sensor is used for detecting whether the battery pack is mounted in position relative to the longitudinal beam along the height direction of the longitudinal beam, and the front in-position sensor is used for detecting whether the battery pack is mounted in position relative to the longitudinal beam along the length direction of the longitudinal beam.
7. The body mount with a detachable back beam of claim 2, wherein the longitudinal beam has a body mounting plate and a battery pack fixing plate, the battery pack fixing plate is used for mounting and fixing a battery pack, and the body mounting plate is used for connecting the chassis.
8. The body mount with a detachable back beam of claim 7, wherein the body mounting plate comprises a first mounting plate and a first connecting plate, the first mounting plate is used for connecting and mounting to the chassis, the battery pack fixing plate comprises a second mounting plate and a second connecting plate, the second mounting plate is used for connecting and mounting a battery pack, one end of the second connecting plate is connected with the top end of the second mounting plate, the first connecting plate is connected between the other end of the second connecting plate and the first mounting plate, and the vertical distance between the first mounting plate and the bottom end of the second mounting plate is smaller than the vertical height of the second mounting plate.
9. The body bracket with a detachable back beam according to claim 8, wherein the connecting portion is pressed on a top portion of the second connecting plate, a second mounting hole is formed on the top portion of the second connecting plate, and the connecting portion is detachably connected to the second connecting plate through the first mounting hole and the second mounting hole.
10. The body mount with a detachable rear frame as claimed in claim 8, wherein the connecting portion is pressed against a top portion of the first mounting plate, the top portion of the first mounting plate is provided with a third mounting hole, and the connecting portion is detachably connected to the first mounting plate through the first mounting hole and the third mounting hole;
or, the end connection of first mounting panel has intermediate junction board, be equipped with intermediate junction hole on the intermediate junction board, connecting portion pass through first mounting hole with intermediate junction hole can dismantle connect in first mounting panel.
11. The body mount with a detachable back beam according to claim 8, wherein the connecting portion abuts against the second mounting plate, a fourth mounting hole is provided in the second mounting plate on a side facing the connecting portion, and the connecting portion is detachably connected to the second mounting plate through the first mounting hole and the fourth mounting hole.
12. The body frame with a detachable back beam according to claim 1, wherein the longitudinal beam is formed by detachably connecting three split structures, and includes a first split structure, a second split structure and a third split structure which are detachably connected in sequence;
the first split structure is connected to the rear beam, and the third split structure is connected to the front beam;
the vehicle body support further comprises a locking mechanism, the locking mechanism is used for locking and fixing the battery pack, and the locking mechanism is arranged on one side, facing the battery pack, of the second split structure.
13. The body mount with demounted back beam as claimed in claim 12, further comprising a positioning mechanism for positioning the battery pack, the positioning mechanism being provided in the first split structure and/or the third split structure for facing a side of the battery pack.
14. The body bracket with a removable back beam of claim 13, wherein said positioning mechanism is a positioning socket having an opening and a cavity extending from said opening, said opening for receiving a lock shaft mounted to said battery pack into said cavity.
15. A vehicle body mount assembly including a battery pack, wherein the vehicle body mount assembly further includes the vehicle body mount with a removable back beam of any of claims 1-14, and wherein the battery pack is located within the open structure.
16. An electric vehicle comprising a chassis, wherein the electric vehicle further comprises the body bracket assembly of claim 15, wherein the body bracket assembly is attached to the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415807.0A CN113120086A (en) | 2019-12-31 | 2019-12-31 | Automobile body support, automobile body support subassembly and electric automobile with dismantlement formula back beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415807.0A CN113120086A (en) | 2019-12-31 | 2019-12-31 | Automobile body support, automobile body support subassembly and electric automobile with dismantlement formula back beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113120086A true CN113120086A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415807.0A Pending CN113120086A (en) | 2019-12-31 | 2019-12-31 | Automobile body support, automobile body support subassembly and electric automobile with dismantlement formula back beam |
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| CN (1) | CN113120086A (en) |
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