An electric vehicle battery replacement support structure and an electric vehicle

Abstract

A battery replacement support structure of an electric vehicle and the electric vehicle, comprising a battery pack, a left replacement support assembly, a right replacement support assembly, a locking mechanism assembly and a battery pack assembly fixing support; the left replacement support assembly and the right replacement support assembly are fixedly connected on the two sides of the battery pack, one end of the left replacement support assembly and the right replacement support assembly is fixedly connected with the battery pack assembly fixing support, the battery pack assembly fixing support is fixedly connected with the battery pack, and the left replacement support assembly and the right replacement support assembly are connected with the battery pack through the locking mechanism assembly. The application comprises a battery pack, a replacement support and a plurality of locking components, the plurality of locking components are used for locking the battery pack on a battery pack boundary beam, so that the quick replacement structure assembly is fixedly connected with a vehicle body, and the battery pack is quickly replaced to achieve the purpose of charging.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric vehicle battery replacement, and particularly relates to an electric vehicle battery replacement support structure and an electric vehicle. BACKGROUND

[0002] As a new energy vehicle, the electric vehicle has the characteristics of low noise, high energy utilization rate, no mobile exhaust emission, etc., and has become one of the strategic emerging industries supported by China. The energy supply mode is an important link in the electric vehicle industry chain, and directly determines the development of the industry.

[0003] With the entry of electric vehicles into the market, the cruising range has become a bottleneck hindering the development of the industry. Compared with the refueling of gasoline vehicles, the battery pack quick replacement has become one of the development trends to solve the problem of insufficient cruising range of electric vehicles.

[0004] The existing battery pack installation mode of the electric vehicle is generally divided into fixed type and replaceable type. The fixed type battery pack is generally fixed on the vehicle, and the vehicle is directly used as the charging object during charging. The replaceable type battery pack generally adopts a movable installation mode, and the battery pack can be removed and replaced with a new one at any time.

[0005] At present, most of the electric vehicle quick battery replacement systems on the market have the problems of high cost, complex mechanism, low replacement efficiency, and high difficulty in commercial application. SUMMARY

[0006] The purpose of the application is to provide an electric vehicle battery replacement support structure and an electric vehicle to solve the problems of high cost, complex mechanism, and low replacement efficiency of most electric vehicle quick battery replacement systems on the market.

[0007] To achieve the above purpose, the application adopts the following technical solutions:

[0008] An electric vehicle battery replacement support structure, comprising a battery pack, a battery replacement left support assembly, a battery replacement right support assembly, a locking mechanism assembly, and a battery pack assembly fixing support; the battery replacement left support assembly and the battery replacement right support assembly are fixedly connected to the two sides of the battery pack, one end of each of the battery replacement left support assembly and the battery replacement right support assembly is fixedly connected with the battery pack assembly fixing support, the battery pack assembly fixing support is fixedly connected with the battery pack, and the battery replacement left support assembly and the battery replacement right support assembly are connected with the battery pack through the locking mechanism assembly.

[0009] Further, the two sides of the battery pack are fixedly provided with side beams, a plurality of locking mechanism assemblies are arranged on the side beams, and the battery replacement left support assembly and the battery replacement right support assembly are connected with the side beams through the locking mechanism assemblies.

[0010] Further, the battery replacement left support assembly comprises a left support body, a nut box, a longitudinal beam mounting support and a rear connecting support; the rear connecting support is welded with the left support body, the longitudinal beam mounting support is connected with the left support body through a hexagonal head flange surface bolt; the nut box is fixed on the left support body through a bolt, and the position of the nut box matches the position of the locking mechanism assembly, and the locking mechanism assembly can be inserted into the nut box; a bushing and a trailing arm connecting support are further arranged on the left support body, the bushing is connected with the left support body through welding, the trailing arm connecting support is located at the end of the left support body, and the trailing arm connecting support is provided with a bushing.

[0011] Further, the left support body is provided with a recessed limiting groove, and the nut box is fixed in the recessed limiting groove of the left support body through a bolt.

[0012] Further, the longitudinal beam mounting support is connected with the left support body through a mounting plate, and the hexagonal head flange surface bolt is fixedly connected in sequence through the mounting plate and the left support body.

[0013] Further, the battery replacement right support assembly and the battery replacement left support assembly are the same in structure.

[0014] Further, one end of the rear connecting support of the battery replacement left support assembly is connected with the vehicle body longitudinal beam and the battery pack assembly fixed support through a bolt, and the rear end of the battery replacement right support assembly is connected with the vehicle body longitudinal beam and the battery pack assembly fixed support through a bolt.

[0015] Further, the battery pack assembly fixed support comprises a battery pack assembly fixed left support and a battery pack assembly fixed right support, and the battery pack assembly fixed left support and the battery pack assembly fixed right support are respectively arranged on the battery replacement left support assembly and the battery replacement right support assembly.

[0016] Further, the locking mechanism assembly comprises a bottom plate, a fixed point limiting plate, a locking mechanism box, a spring and a locking mechanism pin; the fixed point limiting plate is fixed on the side beam, the bottom plate is fixed on the fixed point limiting plate, the locking mechanism box is fixed on the bottom plate, the locking mechanism pin is inserted into the locking mechanism box, and the spring is sleeved on the locking mechanism pin in the locking mechanism box.

[0017] Further, the electric vehicle comprises the battery replacement support structure.

[0018] Compared with the prior art, the present application has the following technical effects:

[0019] The application comprises a battery pack, a battery replacement support and a plurality of locking components, the plurality of locking components are used for locking the battery pack on a battery pack boundary beam, so that a quick replacement structure assembly is fixedly connected with a vehicle body, and the battery pack is quickly replaced to achieve a charging purpose.

[0020] The battery replacement mechanism disclosed by the application can complete the battery pack unloading, battery pack installation and battery pack fixing in a short time, and guarantees the safety and durability during vehicle driving and the accuracy and reliability under frequent battery replacement actions;

[0021] The battery replacement structure disclosed by the application is simple in structure, reasonable in stress, convenient, safe and reliable to replace. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structure schematic diagram of the battery replacement mechanism assembly of the embodiment of the application.

[0023] Figure 2 is an exploded structure schematic diagram of the battery replacement mechanism assembly of the embodiment of the application.

[0024] Figure 3 is a structure schematic diagram of the battery replacement support of the embodiment of the application.

[0025] Figure 4 is a structure schematic diagram of the battery pack assembly fixing support of the embodiment of the application.

[0026] Figure 5 is a local enlarged view of the locking mechanism assembly A of the embodiment of the application.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, battery pack; 11, boundary beam; 12, positioning hole; 14, locking mechanism assembly; 141, fixed point limiting plate; 142, bottom plate; 143, locking mechanism box; 144, locking mechanism pin; 2, battery replacement left support assembly; 21, longitudinal beam mounting support; 22, mounting plate; 221, hex head flange bolt; 24, nut box; 241, nut; 242, bolt; 25, rear connecting support; 251, bolt hole; 26, bushing; 27, trailing arm connecting support; 28, support main body; 3, battery replacement right support assembly; 4, battery pack assembly fixing left support; 41, bolt hole; 5, battery pack assembly fixing right support. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" appear only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, terms such as "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The battery replacement mechanism disclosed in the present application adopts side battery replacement, and realizes battery pack replacement by using principles such as spring pre-tightening, shaft pin limiting and inclined surface bearing, has high battery replacement efficiency, and can safely, reliably and quickly replace the battery pack.

[0033] The battery replacement bracket assembly includes a battery replacement left bracket assembly 2, the battery replacement left bracket assembly 2 includes a left bracket body 28, a positioning pin sleeve is connected with the left bracket body 28 through a weld seam, a bushing 26 is connected with the left bracket body 28 and a trailing arm connecting bracket 27 through a weld seam, a rear connecting bracket 25 is welded with the left bracket body 28 through a weld seam, a longitudinal beam mounting bracket 21 is connected with the left bracket body 28 and a mounting plate 22 through a hex head flange surface bolt 221, and a nut box 24 and a nut 241 are fixed in a limiting groove recessed in the left bracket body 28 by a bolt 242.

[0034] The battery swapping bracket assembly includes a right battery swapping bracket assembly 3, which includes a right bracket body 28. A positioning pin sleeve is connected to the right bracket body 28 by a weld. A bushing 26 is connected to the left bracket body 28 and the trailing arm connecting bracket 27 by a weld. A rear connecting bracket 25 is welded to the left bracket body 28 by a weld. A longitudinal beam mounting bracket is connected to the left bracket body 28 and the mounting plate 22 by hexagonal head flange bolts 221. A nut box 24 and a nut 241 are fixed in the recessed limiting groove of the left bracket body 28 by bolts 242.

[0035] The left battery swapping bracket assembly 2 and the right battery swapping bracket assembly 3 are connected to the battery pack side beam 11 via the locking mechanism assembly 14. The rear end of the left battery swapping bracket assembly 2 is connected to the vehicle body longitudinal beam and the battery pack assembly fixing bracket 5 via bolts. The rear end of the right battery swapping bracket assembly 3 is connected to the vehicle body longitudinal beam and the battery pack assembly fixing bracket 4 via bolts.

[0036] Specifically:

[0037] A battery swapping support structure for an electric vehicle includes a battery pack 1, a left swapping bracket assembly 2, a right swapping bracket assembly 3, a locking mechanism assembly 14, and a battery pack assembly fixing bracket. The left swapping bracket assembly 2 and the right swapping bracket assembly 3 are respectively fixedly connected to both sides of the battery pack 1. One end of each of the left swapping bracket assembly 2 and the right swapping bracket assembly 3 is fixedly connected to the battery pack assembly fixing bracket. The battery pack assembly fixing bracket is fixedly connected to the battery pack 1. The left swapping bracket assembly 2 and the right swapping bracket assembly 3 are connected to the battery pack 1 through the locking mechanism assembly 14.

[0038] Side beams 11 are fixedly installed on both sides of the battery pack 1, and several locking mechanism assemblies 14 are installed on the side beams 11 on both sides. The left battery swapping bracket assembly 2 and the right battery swapping bracket assembly 3 are connected to the side beams 11 through the locking mechanism assemblies 14.

[0039] The battery swapping left bracket assembly 2 includes a left bracket body 28, a nut box 24, a longitudinal beam mounting bracket 21, and a rear connecting bracket 25. The rear connecting bracket 25 is welded to the left bracket body 28, and the longitudinal beam mounting bracket 21 is connected to the left bracket body 28 by hexagonal head flange bolts 221. The nut box 24 is fixed to the left bracket body 28 by bolts, and the position of the nut box 24 matches the position of the locking mechanism assembly 14, so that the locking mechanism assembly 14 can be inserted into the nut box 24. The left bracket body 28 is also provided with a bushing 26 and a trailing arm connecting bracket 27. The bushing 26 is connected to the left bracket body 28 by welding, and the trailing arm connecting bracket 27 is located at the end of the left bracket body 28, and the bushing 26 is provided on the trailing arm connecting bracket 27.

[0040] The locking mechanism assembly 14 comprises a bottom plate 142, a fixed point limiting plate 141, a locking mechanism box 143, a spring and a locking mechanism pin 144; the fixed point limiting plate 141 is fixed on the side beam 11, the bottom plate 142 is fixed on the fixed point limiting plate 141, the locking mechanism box 143 is fixed on the bottom plate 142, the locking mechanism pin 144 is inserted into the locking mechanism box 143, and the spring is sleeved on the locking mechanism pin 144 inside the locking mechanism box 143.

[0041] The fixed nut box cooperates with the locking mechanism clamping mode, the spring pre-tightening, the pin sleeve limiting and the inclined surface bearing principle are used to realize the battery pack replacement, the battery replacement efficiency is high, and the battery pack replacement can be safely, reliably and quickly performed; the battery pack replacement process can be completed in a short time, the battery pack unloading, the battery pack installation and the battery pack fixation, and the safety and durability in the vehicle driving process and the precision and reliability under the frequent battery replacement action are ensured.

[0042] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery swapping support structure for electric vehicles, characterized in that, It includes a battery pack (1), a left battery swapping bracket assembly (2), a right battery swapping bracket assembly (3), a locking mechanism assembly (14), and a battery pack assembly fixing bracket; the left battery swapping bracket assembly (2) and the right battery swapping bracket assembly (3) are respectively fixedly connected to both sides of the battery pack (1), and a battery pack assembly fixing bracket is fixedly connected to one end of the left battery swapping bracket assembly (2) and the right battery swapping bracket assembly (3). The battery pack assembly fixing bracket is fixedly connected to the battery pack (1), and the left battery swapping bracket assembly (2) and the right battery swapping bracket assembly (3) are connected to the battery pack (1) through the locking mechanism assembly (14); Side beams (11) are fixedly installed on both sides of the battery pack (1), and several locking mechanism assemblies (14) are installed on the side beams (11) on both sides. The left battery swapping bracket assembly (2) and the right battery swapping bracket assembly (3) are connected to the side beams (11) through the locking mechanism assembly (14). The battery swapping left bracket assembly (2) includes a left bracket body (28), a nut box (24), a longitudinal beam mounting bracket (21), and a rear connecting bracket (25); the rear connecting bracket (25) is welded to the left bracket body (28), and the longitudinal beam mounting bracket (21) is connected to the left bracket body (28) by hexagonal head flange bolts (221); the nut box (24) is fixed to the left bracket body (28) by bolts, and the position of the nut box (24) matches the position of the locking mechanism assembly (14), and the locking mechanism assembly (14) can be inserted into the nut box (24); the left bracket body (28) is also provided with a bushing (26) and a trailing arm connecting bracket (27), the bushing (26) is connected to the left bracket body (28) by welding, the trailing arm connecting bracket (27) is located at the end of the left bracket body (28), and the trailing arm connecting bracket (27) is provided with a bushing (26).

2. The electric vehicle battery swapping support structure according to claim 1, characterized in that, The left support body (28) is provided with a recessed limiting groove, and the nut box (24) is fixed in the recessed limiting groove of the left support body (28) with bolts (242).

3. The electric vehicle battery swapping support structure according to claim 1, characterized in that, The longitudinal beam mounting bracket (21) is connected to the left bracket body (28) via the mounting plate (22), and the hexagonal head flange bolts (221) pass through the mounting plate (22) and the left bracket body (28) in sequence for fixed connection.

4. The electric vehicle battery swapping support structure according to claim 1, characterized in that, The right battery swapping bracket assembly (3) and the left battery swapping bracket assembly (2) have the same structure.

5. The electric vehicle battery swapping support structure according to claim 1, characterized in that, One end of the rear connecting bracket (25) of the left battery swapping bracket assembly (2) is connected to the longitudinal beam of the vehicle body and the fixed bracket of the battery pack assembly by bolts. The rear end of the right battery swapping bracket assembly (3) is connected to the longitudinal beam of the vehicle body and the fixed bracket of the battery pack assembly by bolts.

6. The electric vehicle battery swapping support structure according to claim 1, characterized in that, The battery pack assembly mounting bracket includes a battery pack assembly mounting left bracket (4) and a battery pack assembly mounting right bracket (5), which are respectively mounted on the battery swapping left bracket assembly (2) and the battery swapping right bracket assembly (3).

7. The electric vehicle battery swapping support structure according to claim 1, characterized in that, The locking mechanism assembly (14) includes a base plate (142), a fixed point limiting plate (141), a locking mechanism box (143), a spring, and a locking mechanism pin (144). The fixed point limiting plate (141) is fixed on the side beam (11), the base plate (142) is fixed on the fixed point limiting plate (141), the locking mechanism box (143) is fixed on the base plate (142), the locking mechanism pin (144) is inserted into the locking mechanism box (143), and a spring is sleeved on the locking mechanism pin (144) inside the locking mechanism box (143).

8. An electric vehicle, characterized in that, It includes an electric vehicle battery swapping support structure as described in any one of claims 1 to 7.

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