CN217124533U

CN217124533U - Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part

Info

Publication number: CN217124533U
Application number: CN202122262444.0U
Authority: CN
Inventors: 张建平; 黄春华
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2020-09-17
Filing date: 2021-09-17
Publication date: 2022-08-05
Anticipated expiration: 2031-09-17
Also published as: CN114204334A; CN217848141U; CN114204154A; CN114194016A; CN216672012U; CN216563300U; CN216648459U; CN114194014A; CN217848074U; CN114204175A; CN114204335A; CN217182255U; CN114204189A; CN114274754A; CN114204157A; CN114194063A; CN216443457U; CN114204156A; CN114204181A; CN114204153A

Abstract

The utility model discloses a battery package installation department and electric automobile for making battery package horizontal installation, wherein the battery package installation department locates the electric automobile bottom for install the battery package, be equipped with the articulate seat on the battery installation department, be used for with the cooperation of the articulate piece of battery package, along the horizontal direction with battery package articulate on electric automobile. The mode that the installation department is connected with the electric automobile bottom for the side of installation department can the phase-match with the car bottom plate, and the installation department can change self shape according to the shape of bottom plate. The battery pack is connected with the electric automobile in the vertical direction, on one hand, connection points between the battery pack and the electric automobile are increased, the installation stability is improved, on the other hand, the movement of the battery pack relative to the electric automobile in the vertical direction is limited, and the shock resistance of the battery pack in the running process of the electric automobile is improved.

Description

Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part

This application claims priority from chinese patent application 202010981928.8 filed as 2020/09/17. This application refers to the above-mentioned patent application in its entirety.

Technical Field

The utility model relates to a battery package installation department and electric automobile for making battery package horizontal installation.

Background

The conventional battery pack of the electric vehicle is generally arranged in a fixed type or a replaceable type, wherein the fixed type battery pack is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery pack is generally fixed to a bracket of the vehicle in a movable mounting manner, and the replaceable battery pack can be removed to be replaced or charged independently and then mounted on the vehicle after the replacement battery pack is charged.

Conventionally, battery packs have been replaced by various means such as manually or automatically, and in any of these means, when a battery is mounted on a bracket of a vehicle, the bracket needs to lock the battery to the bracket. At present, a plurality of lock shafts are arranged on two side edges of a battery pack and hung in lock grooves of a lock base of a bracket, so that the battery pack is connected with the bracket, and for the battery pack with a wider size, no connecting support exists between middle areas far away from two sides or the periphery of a locking position in the battery pack and an electric automobile, so that sinking phenomenon is easily found in the middle areas of the battery pack, and the battery pack is deformed and poor in anti-seismic performance.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to install electric automobile in order to overcome among the prior art great battery package of size after, the middle zone of battery package easily sinks the defect that takes place to warp, provides a battery package installation department and electric automobile for making battery package horizontal installation.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a battery pack mounting part is arranged at the bottom of an electric automobile and used for mounting a battery pack, and a hanging seat is arranged on the battery pack mounting part and used for being matched with a hanging piece of the battery pack and hanging the battery pack on the electric automobile along the horizontal direction; the battery package has upper cover and lower box, be equipped with the battery module between upper cover and the lower box, the connector is installed to the upper cover for along vertical direction remove to the position that corresponds with the articulate seat bottom the electric automobile, and along the horizontal direction remove to articulate in the seat, make the battery package articulate in the articulate seat on the electric automobile.

In this scheme, adopt above-mentioned structural style, through the cooperation of linking seat and linking piece to realize that battery package and electric automobile articulate, increased battery package and electric automobile's tie point, avoided the battery package to take place to warp because of the oversize middle zone that leads to sinks.

Preferably, articulate the seat and include installation department and joint portion, be equipped with the mounting hole on the installation department, the mounting hole is used for supplying the fastener to install on the perpendicular roof beam of electric automobile bottom along the horizontal direction.

In this scheme, adopt above-mentioned structural style for the battery package can be connected on the perpendicular roof beam of electric automobile bottom through articulating the seat, has practiced thrift installation space.

Preferably, the mounting portion is vertically arranged on the surface of the hanging portion.

In this scheme, adopt above-mentioned structural style for the installation department is big with the area of being connected of portion of hanging, makes to connect more stably.

Preferably, the installation department with still be equipped with the reinforcing plate between the portion of articulate.

In this scheme, adopt above-mentioned structural style, improved the intensity that installation department and hanging connection portion connect, improved the stability of connecting.

Preferably, the hanging seat is provided with a hanging groove, the bottom of the hanging seat is provided with a hanging groove inlet, and the hanging piece on the battery pack passes through the hanging groove inlet and moves to the hanging contact point in the hanging groove, so that the battery pack is fixedly connected to the electric vehicle.

In this scheme, adopt above-mentioned structural style, can utilize the articulate groove of opening utensil on the articulate seat and can realize connecting, have that occupation space is little, simple structure, processing convenient characteristics.

Preferably, the hooking groove inlet comprises a first opening groove and a first locking groove which are communicated with each other, the hooking member extends into the first hooking groove through the first opening groove, the hooking member moves from the first opening groove to a first position corresponding to the first locking groove, and the hooking member moves from the first position to the hooking point along the first locking groove.

In this scheme, adopt above-mentioned structural style, made things convenient for the battery package to get into and hang the connection seat. The battery pack is connected with the electric automobile in the vertical direction, on one hand, connection points between the battery pack and the electric automobile are increased, the installation stability is improved, on the other hand, the movement of the battery pack relative to the electric automobile in the vertical direction is limited, and the shock resistance of the battery pack in the running process of the electric automobile is improved.

Preferably, the first opening groove is not parallel to the extending direction of the first locking groove.

In this scheme, adopt above-mentioned structural style, can realize that the hitching and connecting piece gets into in the groove of hitching and connecting from first open slot.

Preferably, the first opening groove is perpendicular to an extending direction of the first locking groove.

In this scheme, adopt above-mentioned structural style, made things convenient for the hitching and connecting piece to get into in the hitching and connecting groove from first open slot.

Preferably, the hanging seat is provided with a supporting part, and the hanging piece is hung on the supporting part after reaching the hanging point.

In this scheme, adopt above-mentioned structural style for the battery package articulates on the perpendicular roof beam of electric automobile bottom.

Preferably, the bottom of the hanging seat is provided with an avoiding port, the avoiding port is communicated with the inlet of the hanging groove, and the locking groove is oppositely arranged at two sides of the first opening groove.

In this scheme, adopt above-mentioned structural style, can let the unhindered, more convenient entering of hanging the groove of connecing of hanging the piece.

Preferably, the cross section between the first opening groove and the first locking groove is T-shaped or cross-shaped.

In this scheme, adopt above-mentioned structural style for hang even and stable of union piece both ends atress.

Preferably, the top of the hanging seat is provided with a top opening, and the top opening is communicated with the hanging groove inlet.

In this scheme, adopt above-mentioned structural style, hang the connector butt joint electric automobile through open-top to hang the connector and can remove in open-top, can be spacing to hanging the connector.

Preferably, the top opening is larger than the hanging groove inlet and penetrates to the surface of the hanging part.

In this scheme, adopt above-mentioned structural style for the holding tank has the effect of dodging, has guaranteed that the hitching member articulates to the hitching inslot and can not produce the interference phenomenon.

Preferably, the hanging part comprises a first hanging part and an extension part positioned on at least one side of the first hanging part, and the extension part protrudes downwards from the bottom surface of the first hanging part; and/or the extension part protrudes upwards from the top surface of the first hanging part.

In this scheme, adopt above-mentioned structural style, improved the intensity and the stability of portion of hitching and connecting

Preferably, the top surface of the first hanging part is flush with the top surface of the extension part; and/or the bottom surface of the first hanging part is lower than the bottom surface of the extension part.

In this aspect, with the above-described configuration, the extension portion protruding upward or the extension portion protruding downward may be formed.

Preferably, the hanging groove is arranged in the first hanging part and/or the extending part.

In this scheme, adopt above-mentioned structural style, articulate the union piece on first portion of articulate through the groove of articulate.

Preferably, the battery package installation department still includes the quick change support, be equipped with locking mechanism on the quick change support, locking mechanism has the second open slot that extends along vertical direction and the second locking groove that extends along the horizontal direction, second locking groove is used for the epaxial lock axle of supply battery package to insert the locking, the second open slot with second locking groove intercommunication, the lock axle is followed vertical direction certainly the second open slot gets into when reacing the handing-over position in second open slot and locking groove in the second locking inslot, the hitching piece removes the primary importance along vertical direction, and/or, the lock axle is in removal to the latched position in the locking inslot, the hitching piece reachs the edge in the hitching groove remove to the hitching point in the seat that articulates.

In this scheme, adopt above-mentioned structural style, locking mechanical system cooperatees with the lock axle on the battery package lateral wall portion, locks the battery package on electric automobile.

Preferably, the quick-change bracket is in a ring shape or a double-sided strip shape.

Preferably, the hitching seat is arranged at the middle position of the side of the quick-change bracket with the locking mechanism at the bottom.

In this scheme, adopt above-mentioned structural style for the side connection of joint chair and locking mechanism's quick change support is more stable.

Preferably, the battery pack mounting portion further comprises a bolt-type locking mechanism and an expansion bead-type locking mechanism for locking the battery pack on the electric vehicle.

Preferably, the battery pack mounting part further comprises a vehicle end electric connector; and/or the battery pack further comprises a liquid cooling connection device.

Preferably, the vehicle end electric connector and the liquid cooling pipeline connecting device are arranged at the bottom of the electric vehicle.

Preferably, the number of the hanging seats is multiple, and the hanging seats are arranged on a bottom plate of the electric automobile.

In this scheme, adopt above-mentioned structural style, connect the connection of package more stable.

An electric vehicle includes the battery pack mounting portion as described above.

The utility model discloses an actively advance the effect and lie in:

the mode that the installation department is connected with the electric automobile bottom for the side of installation department can the phase-match with the car bottom plate, and the installation department can change self shape according to the shape of bottom plate. The battery pack is connected with the electric automobile in the vertical direction, on one hand, connection points between the battery pack and the electric automobile are increased, the installation stability is improved, on the other hand, the movement of the battery pack relative to the electric automobile in the vertical direction is limited, and the shock resistance of the battery pack in the running process of the electric automobile is improved.

Drawings

Fig. 1 is a schematic structural view of a battery pack according to embodiment 1 of the present invention mounted on a battery pack mounting portion;

fig. 2 is a schematic structural view of a battery pack according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a combined structure of a hanging member and a hanging seat according to embodiment 1 of the present invention;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a cross-sectional view taken along plane B-B of FIG. 4;

fig. 6 is a side view of a battery pack according to embodiment 1 of the present invention;

FIG. 7 is a cross-sectional view taken along plane B-B of FIG. 6;

fig. 8 is a schematic structural view of a battery pack according to embodiment 2 of the present invention mounted on a battery pack mounting portion;

fig. 9 is a schematic structural view of a battery pack mounting portion according to embodiment 2 of the present invention;

fig. 10 is a schematic view of a combined structure of a hanging member and a hanging seat according to embodiment 2 of the present invention;

fig. 11 is a schematic structural view of a hitch seat according to embodiment 2 of the present invention;

fig. 12 is a schematic structural view of a hanging seat according to embodiment 3 of the present invention;

fig. 13 is a schematic view of a combination structure of a hanging member and a hanging seat according to embodiment 3 of the present invention;

fig. 14 is a schematic structural view of a hanging member according to embodiment 3 of the present invention;

fig. 15 is a schematic structural view of a hitching seat in embodiment 4 of the present invention;

fig. 16 is a schematic structural view of a hanging seat according to embodiment 5 of the present invention.

Detailed Description

The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1-7, wherein fig. 1 is a schematic diagram of a battery pack 8 mounted on a battery pack mounting portion 9 at the bottom of an electric vehicle, the present embodiment provides a battery pack 8, the battery pack 8 has an upper cover 81 and a lower case 82, a battery module is disposed between the upper cover 81 and the lower case 82, the upper cover 81 is mounted with a hanging member 83 for moving in a vertical direction to a position corresponding to a hanging seat 91 at the bottom of the electric vehicle and moving in a horizontal direction into the hanging seat 91, so that the battery pack 8 is hung in the hanging seat 91 on the electric vehicle. The hanging piece is arranged in the middle area of the upper cover 81, and the hanging piece 83 is arranged in the middle of the battery pack 8 in the length direction.

Through the link 83 along vertical direction articulate in articulate seat 91, increased the battery package 8 and the vertical ascending articulate in side in bottom of electric automobile, increased the tie point between battery package 8 and the electric automobile on the one hand, improve installation stability, on the other hand has restricted the motion of battery package 8 relative electric automobile in vertical direction, has improved the shock resistance of electric automobile in-process battery package 8 that traveles. In particular the shock resistance of the central region away from the two-sided or peripheral locking positions.

In this embodiment, the hanging member 83 includes a connecting portion 831 and a hanging portion 832, one end of the connecting portion 831 is mounted on the upper cover 81, the other end of the connecting portion 831 is connected to the hanging portion 832, the hanging portion 832 is located above the upper cover 81, and the hanging member 83 is hung in the hanging seat 91 through the hanging portion 832. The outer wall of the connecting portion 831 is provided with a threaded portion 8312, and is connected and fixed to the upper cover 81 through the threaded portion 8312. The outer wall of the connecting portion 831 has a limiting portion 8311 extending outward from the outer wall and protruding for the hanging piece 83 to abut against the upper cover 81, and the limiting portion 8311 is a nut and is sleeved on the threaded portion 8312 of the connecting portion 831.

In the present embodiment, the hanging portion 832 extends and protrudes from the connecting portion 831 in a direction away from the connecting portion 831; the hanging portion 832 protrudes from the connecting portion 831 in a horizontal direction. The hanging portion 832 is perpendicular to the connecting portion 831, the hanging portion 832 is integrally formed with the connecting portion 831, or the hanging portion 832 is detachably connected with the connecting portion 831. Connecting portion 831 is a connecting rod that extends along the vertical direction, and hitching portion 832 is a hitching rod that extends along the horizontal direction, and the hitching rod is cylindric. The hanging part 832 and the hanging seat 91 are mutually matched in any one of the modes of screw joint, clamping joint, buckling joint, insertion joint, hooking joint and joggling joint so as to realize the hanging connection of the battery pack 8.

In this embodiment, the battery pack 8 further includes a second mounting seat 84, and the hanging member 83 is mounted to the upper cover 81 through the second mounting seat 84. The second mounting seat 84 is provided between the upper cover 81 and the lower case 82. The second mounting seat 84 is detachably connected with the upper cover 81, and the second mounting seat 84 is fixedly connected with the lower box 82. A sealing member is provided between the second mounting seat 84 and the upper cover 81.

In this embodiment, the second mounting seat 84 includes a third receiving cavity 841 for providing an operation space, and/or a fourth receiving cavity 842 for receiving the connecting portion 831. A collar 843 is arranged in the third accommodating cavity 841 for limiting the hanging piece 83 from falling off from the second mounting seat.

In the present embodiment, the battery pack 8 includes a side wall portion 85, and at least two side surfaces of the side wall portion 85 are vertically provided with lock shafts 86 for locking the battery pack 8 in a locking mechanism on the electric vehicle. The lower case 82 includes a bottom wall portion and a side wall portion 85, the bottom wall portion and the upper cover 81 are disposed opposite to each other, the side wall portion 85 is disposed between the bottom wall portion and the upper cover 81, and the side wall portion 85 is vertically provided with lock shafts 86 along at least two sides in the length direction of the battery pack 8 for locking the battery pack 8 in a lock mechanism on the electric vehicle. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and is also applicable to locking mechanisms in other bottom battery replacement modes.

In other embodiments, the battery pack 8 further includes a first locking member for locking the battery pack 8 to a bolt-type locking mechanism on the electric vehicle and/or a second locking member for locking the battery pack 8 to a bead-expanding type locking mechanism on the electric vehicle.

In other embodiments, the battery pack 8 is provided with a plurality of hanging pieces 83, and at least one row of the plurality of hanging pieces 83 is linear; the plurality of hanging members 83 are connected to form a row of hanging members 83 by a connecting member.

In this embodiment, the battery pack 8 further includes a battery terminal electrical connector 87 provided to the upper cover 81.

In other embodiments, the battery pack 8 further includes a battery-end electrical connector 87 provided to the upper cover 81.

In other embodiments, the battery pack 8 further includes a liquid-cooled connection 88 on the side wall or lid 81 of the battery pack 8.

Adopt the hitching member 83 in this embodiment to articulate battery package 8 in hitching seat 91, moreover, the steam generator is simple in structure, cooperate with the locking motion process of locking shaft 86 in the locking mechanism of the battery package 8 left and right sides, when the locking of locking shaft 86 in the locking mechanism is completed, hitching member 83 reaches the hitching point in hitching seat 91, and set up a plurality of hitching members 83 through the intermediate position at upper cover 81, the hitching of battery package 8 and electric automobile bottom has been increased, the motion of battery package 8 relative to electric automobile in the vertical direction has been restricted, and the shock resistance of electric automobile has been improved. Meanwhile, the battery pack 8 is hung from the side face of the hanging seat 91 in a hanging mode, the hanging piece 83 is in clearance fit with the hanging seat 91, the fault tolerance is good, the flexibility is good, the battery pack 8 is allowed to have certain movement amount in the installation portion, the battery pack 8 and the electric automobile are prevented from being positioned excessively, and the interaction force is large.

Example 2

As shown in fig. 8-11, wherein fig. 8 is a schematic view of a battery pack mounting portion 9 for mounting a battery pack 8 on the bottom of an electric vehicle, the present embodiment provides a battery pack mounting portion 9 for mounting the battery pack 8 in embodiment 1 on the bottom of the electric vehicle, a hanging seat 91 is provided on the battery pack mounting portion 9, and is matched with a hanging member 83 to hang the battery pack 8 on the electric vehicle along a horizontal direction.

In this embodiment, the side portion 911 of the hooking base 91 has a side opening 9111 into which the hooking member 83 enters and a hooking groove 912 extending inward in the horizontal direction from the side opening 9111, and the hooking member 83 moves in the vertical direction to a first position corresponding to the side opening 9111 and enters a hooking point in the hooking groove 912 in the horizontal direction from the first position. The side opening 9111 is provided for facilitating the entry of the hanging member 83 into the hanging seat 91 during the horizontal movement of the battery pack 8.

In the present embodiment, the side portion 911 includes an upper side portion 9112 located above the opening 9131 and a lower side portion 9113 located below the opening 9131, and the upper side portion 9112 is connected to the top wall 9123 of the hitch groove by an arc-shaped guide surface, and the lower side portion 9113 is connected to the bottom wall 9121 of the hitch groove by an arc-shaped guide surface. The hooking portion 832 is guided into the hooking groove 912 by the guide surface. The lower portion 9113 is disposed obliquely with respect to the bottom of the hanging seat 91 for guiding the hanging member 83 to the first position corresponding to the side opening 9111.

In the present embodiment, the hook 83 has a connecting portion 831 and a hook portion 832, the hook portion 832 is provided at the top of the connecting portion 831, and the hook 83 is hooked to a hook point on the bottom wall 9121 of the hook groove by the hook portion 832. The hanging groove 912 is in clearance fit with the hanging part 832, and when the hanging part 832 is hung on a hanging point on the bottom wall 9121 of the hanging groove, the clearance between the hanging part 832 and the top wall 9123 of the hanging groove is more than 0 and less than 0.1 mm. The hanging groove 912 further comprises a side wall 9122 between the bottom wall 9121 and the top wall 9123, and when the hanging portion 832 is hung on a hanging point on the bottom wall 9121 of the hanging groove, a gap between the hanging portion 832 and the side wall 9122 of the hanging groove is larger than 2 mm. The hanging groove 912 further comprises a side wall 9122 positioned between the bottom wall 9121 and the top wall 9123, the side wall 9122 is an arc-shaped side wall 9122, the top of the arc-shaped side wall 9122 is tangent to the top wall 9123, and the bottom of the arc-shaped side wall 9122 is tangent to the bottom wall 9121. The side walls 9122 of the hooking groove 912 are shaped to fit a cylindrical hooking rod. The hooking seat 91 has an accommodating groove 913 communicating with the hooking groove 912, and the connecting portion 831 is partially accommodated in the accommodating groove 913 when the hooking portion 832 is located at the hooking point in the hooking groove 912. When the hooking portion 832 is hooked to the hooking point in the hooking groove 912, the gap between the connecting portion 831 and the receiving groove 913 is greater than 2 mm. The second hanging piece is in clearance fit with the hanging seat 91, so that the hanging piece 83 can conveniently enter the hanging seat 91. The receiving groove opening 9131 has a guide surface at it for guiding the connecting portion 831 into the receiving groove 913.

In this embodiment, the top of the hanging seat 91 is provided with a mounting hole 914 for mounting the hanging seat 91 on the bottom of the electric vehicle.

In this embodiment, the battery pack mounting portion 9 for horizontally mounting the battery pack further includes a quick-change bracket 92, a locking mechanism 93 is disposed on the quick-change bracket 92, the locking mechanism 93 has a second opening 9131 slot extending along the vertical direction and a second locking slot extending along the horizontal direction, the second locking slot is used for inserting and locking a lock shaft on the battery pack 8, the second opening 9131 slot is communicated with the second locking slot, the lock shaft enters the second locking slot from the second opening 9131 slot along the vertical direction, the lock shaft moves in the second locking slot to a locking position, and the hanging portion 832 reaches a hanging point in the hanging slot 912. The quick-change holder 92 is ring-shaped or double-sided strip-shaped. The hooking base 91 is provided at an intermediate position on the quick-change holder 92 side where the locking mechanism 93 is provided at the bottom. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and is also applicable to locking mechanisms in other bottom battery replacement modes.

In other embodiments, the battery pack mounting portion further includes a bolt-type locking mechanism 93 and an expansion bead-type locking mechanism 93 for locking the battery pack 8 on the electric vehicle, and the bolt-type locking mechanism 93 and the expansion bead-type locking mechanism 93 are used for locking the first locking member and the second locking member, respectively.

In this embodiment, the battery pack mounting portion 9 further includes a vehicle end electrical connector 94 provided at the bottom of the electric vehicle.

In other embodiments, the battery pack mounting portion 9 further includes a battery-end electrical connector provided at the bottom of the electric vehicle.

In other embodiments, the battery pack mounting portion 9 further includes a liquid cooling pipeline connecting device disposed at the bottom of the electric vehicle.

Example 3

As shown in fig. 12-14, wherein fig. 12 is a schematic diagram of a battery pack mounting portion for horizontally mounting a battery pack, where the battery pack is mounted at the bottom of an electric vehicle, in this embodiment, a battery pack mounting portion is provided for mounting the battery pack, and is disposed at the bottom of the electric vehicle, and a hanging seat 1 is disposed on the battery pack mounting portion, and is matched with a hanging member 2 on the battery pack, so as to hang the battery pack on the electric vehicle along a horizontal direction.

In this embodiment, the hitch coupler 1 includes a mounting portion 11 and a hitch portion 12, a mounting hole 13 is provided on the mounting portion 11, and the mounting hole 13 is used for a fastener to be mounted on a vertical beam at the bottom of the electric vehicle along the horizontal direction. The mounting portion 11 is connected to a vertical beam at the bottom of the electric vehicle so that the side of the mounting portion 11 can be matched with a vehicle floor, and the mounting portion 11 can change its shape according to the shape of the floor. The hanging part 12 is connected to the bottom end of the mounting part 11 and used for being matched with the hanging part 2 on the battery pack, so that the battery pack can be connected to the vertical beam at the bottom of the electric automobile through the hanging seat 1, and the mounting space is saved.

In this embodiment, the mounting portion 11 is vertically disposed on the surface of the hanging portion 12, and the connection area between the mounting portion 11 and the hanging portion 12 is large, so that the connection is more stable.

In other embodiments, the extending direction of the mounting portion 11 and the extending direction of the hanging portion 12 may be at an angle.

In this embodiment, a reinforcing plate 14 is further disposed between the mounting portion 11 and the hanging portion 12, so that the connection strength between the mounting portion 11 and the hanging portion 12 is improved, and the connection stability is improved. The number of the reinforcing plates 14 is two, and the two reinforcing plates 14 are symmetrically arranged at both ends of the mounting portion 11.

In the present embodiment, the hanging part 12 includes a first hanging part 121 and an extending part 122 located at a lower side of the first hanging part 121, and the extending part 122 protrudes downward from a bottom surface of the first hanging part 121. The above form also forms the extension part 122 protruding downward, and the bottom surface of the first hooking part 121 is higher than the bottom surface of the extension part 122. By adopting the structure, the strength and the stability of the hanging part 12 are improved.

In other embodiments, the top surface of the first hooking part 121 may be higher than the top surface of the extension part 122.

As shown in fig. 13 to 14, the hanging member 2 includes a connecting portion 21 and a second hanging portion 22, the second hanging portion 22 is disposed at one end of the connecting portion 21, the other end of the connecting portion 21 is used for connecting the battery pack, when the hanging member 2 is moved to the first position along the vertical direction, the second hanging portion 22 is located above the first opening groove 151, and the connecting portion 21 is aligned with the entrance of the hanging groove 15.

When the hanging member 2 moves to the hanging point, the second hanging portion 22 is hung on the supporting portions at both sides of the hanging groove 15.

In this embodiment, the hanging slot 15 is disposed in the first hanging portion 121 to connect the hanging member 2 and the first hanging portion 121.

In other embodiments, the hanging slot 15 may be disposed in the extension portion 122.

In other embodiments, the hanging groove 15 may be disposed in the first hanging portion 121 and the extending portion 122.

The quantity of hitching seat 1 is a plurality of, and a plurality of hitching seats 1 are arranged on the bottom plate of the electric automobile, so that the connection of the connecting bag is more stable.

Example 4

As shown in fig. 15, in the present embodiment, the hanging seat 1 has a hanging slot 15, the bottom of the hanging seat 1 is opened with an entrance of the hanging slot 15, and the hanging member 2 on the battery pack passes through the entrance of the hanging slot 15 and moves to the hanging point in the hanging slot 15, so that the battery pack is fixedly connected to the electric vehicle. By adopting the structure, the hanging connection can be realized by utilizing the hanging connection groove 15 arranged on the hanging connection seat 1, and the structure has the characteristics of small occupied space, simple structure and convenient processing.

In other embodiments, the hanging seat 1 and the hanging piece 2 are matched with each other in any one of a screw joint, a clamping joint, a buckling joint, an inserting joint, a hooking joint and a joggling joint to realize the hanging of the battery pack.

In this embodiment, the entrance of the hooking groove 15 includes a first opening groove 151 and a first locking groove 152 that communicate with each other, the hanging member 2 protrudes into the hooking groove 15 through the first opening groove 151, and the hanging member 2 moves from the first opening groove 151 to a first position corresponding to the first locking groove 152, from which it moves to the hooking point along the first locking groove 152. The arrangement of the first opening groove 151 facilitates the battery pack to enter the hanging seat 1. The battery pack is connected with the electric automobile in the vertical direction, on one hand, connection points between the battery pack and the electric automobile are increased, the installation stability is improved, on the other hand, the movement of the battery pack relative to the electric automobile in the vertical direction is limited, and the shock resistance of the battery pack in the running process of the electric automobile is improved. Especially the shock resistance of the central area away from the two-sided or peripheral locking position.

In this embodiment, the first opening groove 151 is not parallel to the extending direction of the first locking groove 152, and the hooking member 2 can enter the hooking groove 15 from the first opening groove 151.

In this embodiment, the first opening groove 151 is perpendicular to the extending direction of the hanging groove 15, so that the hanging member 2 can enter the hanging groove 15 from the first opening groove 151.

In the embodiment, the hanging seat 1 has a supporting portion 16, and the hanging member 2 is hung on the supporting portion 16 after reaching the hanging point, so that the battery pack is hung on a vertical beam at the bottom of the electric vehicle.

In this embodiment, the bottom of the hanging seat 1 is provided with an avoiding opening 18, the avoiding opening 18 is communicated with the entrance of the hanging groove 15, and is opposite to the first locking groove 152 and arranged at two sides of the first opening groove 151. The arrangement of the avoidance opening 18 can ensure that the hanging part 2 can enter the hanging groove 15 without obstruction and more conveniently.

In this embodiment, the cross section between the first opening groove 151 and the first locking groove 152 is "T" or "cross", so that the two ends of the hanging member 2 are stressed uniformly and stably.

In this embodiment, the top of the docking station 1 has a top opening 17, and the top opening 17 is communicated with the entrance of the docking slot 15. Through open top 17, connecting piece 2 top meets electric automobile, spacing in the direction of height to connecting piece 2 can move in open top 17, also can be spacing to connecting piece 2.

In this embodiment, the top opening 17 is larger than the entrance of the hanging slot 15 and penetrates the surface of the hanging portion 12, so that the accommodating slot 15 has an avoiding function, and it is ensured that the hanging member 2 is hung in the hanging slot 15 without interference.

The extension portion 122 protrudes upward from the top surface of the first hooking portion 121. An extension 122 protruding upward is formed, and the top surface of the extension 122 is higher than the top surface of the first hooking part 121. By adopting the structure, the strength and the stability of the hanging part 12 are improved.

In other embodiments, the bottom surface of the first hooking part 121 is lower than the bottom surface of the extension part 122.

Example 5

As shown in fig. 16, in the present embodiment, the hanging part 12 is connected to the top end of the mounting part 11 and is used for matching with the hanging part 2 on the battery pack, so that the battery pack can be connected to the vertical beam at the bottom of the electric vehicle through the hanging seat 1, and the mounting space is saved.

Of course, in other embodiments, the hanging part 12 may also be connected in the middle area of one side of the mounting part 11, so that the other side of the mounting part 11 is used for connecting with the bottom of the electric automobile.

The top surface of the extension portion 122 is higher than the top surface of the first hooking portion 121. That is, the extension part 122 protrudes upward from the top surface of the first hooking part 121, forming an upwardly protruding extension part 122.

In other embodiments, the top surface of the first hooking portion 121 and the top surface of the extension portion 122 are flush. That is, the first hooking part 121 protrudes downward from the top surface of the extension part 122, forming the extension part 122 protruding downward.

In this embodiment, the top surface of the extension 122 may have an extension mounting hole, so that the extension 122 may be connected to the electric vehicle, further improving the stability of the connection.

Example 6

In this embodiment, the battery pack mounting portion further includes a locking mechanism for engaging with the lock shaft on the side wall portion of the battery pack to lock the battery pack to the electric vehicle. The locking mechanism is provided with a second open slot extending along the vertical direction and a second locking slot extending along the horizontal direction, the second open slot is communicated with the second locking slot, when the lock shaft reaches the junction position of the second open slot and the second locking slot from the second open slot along the vertical direction, the hanging piece moves to the first position along the vertical direction, and when the lock shaft moves to the locking position in the second locking slot, the hanging piece moves to the hanging point in the hanging seat along the hanging slot. Locking mechanism passes through quick change support mounting in the electric automobile bottom, and locking mechanism locates the lateral wall of quick change support towards the battery package, and the quick change support is annular or two side bars. The hanging seat 1 is arranged at the middle position of the quick-change support side with the locking mechanism arranged at the bottom, so that the hanging seat is more stably connected with the quick-change support side of the locking mechanism. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and is also applicable to locking mechanisms in other bottom battery replacement modes.

In other embodiments, the hanging seat and the hanging piece are matched with each other in any one of a screw joint, a clamping joint, a buckling joint, an inserting joint, a hooking joint and a joggling joint to realize the hanging of the battery pack.

In other embodiments, the battery pack mounting portion further comprises a bolt-type locking mechanism or a bead-expansion-type locking mechanism for locking the battery pack on the electric vehicle, for locking the first locking member and the second locking member, respectively.

In this embodiment, the battery pack mounting portion further includes a vehicle-end electrical connector disposed at a bottom of the electric vehicle.

In other embodiments, the battery pack mounting portion includes a battery-end electrical connector provided at the bottom of the electric vehicle.

In other embodiments, the battery pack mounting portion further comprises a liquid-cooled connecting device disposed at the bottom of the electric vehicle.

Example 7

The utility model provides an electric automobile, it includes above-mentioned battery package installation department and battery package, the top of battery package is equipped with the hitching piece, be used for with articulate the seat and articulate the cooperation, when articulating, move the battery package along vertical direction, make the hitching piece move to the hitching seat along vertical direction on, move the hitching piece again along the horizontal direction to the hitching contact in the seat, make the battery package articulate on the hitching seat, the middle zone at battery package top is located to the hitching piece, with the battery package under on the box violently, the longeron position is corresponding, the hitching piece accessible is fixed in violently, mount pad on the longeron is fixed with lower box connection.

In other embodiments, the hanging member may be fixedly connected to the upper cover of the battery pack by a connecting member.

Although specific embodiments of the present invention have been described above, it will be understood 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 the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A battery pack mounting part for horizontally mounting a battery pack is arranged at the bottom of an electric automobile and used for mounting the battery pack and is characterized in that a hanging seat is arranged on the battery pack mounting part and used for being matched with a hanging piece of the battery pack and hanging the battery pack on the electric automobile along the horizontal direction; the battery pack mounting part also comprises a quick-change bracket, a locking mechanism is arranged on the quick-change bracket, the locking mechanism is provided with a second open slot extending along the vertical direction and a second locking slot extending along the horizontal direction, the second locking slot is used for inserting and locking a locking shaft on the battery pack, the second open slot is communicated with the second locking slot,

the battery package has upper cover and lower box, be equipped with the battery module between upper cover and the lower box, the connector is installed to the upper cover for along vertical direction remove to the position that corresponds with the articulate seat bottom the electric automobile, and along the horizontal direction remove to articulate in the seat, make the battery package articulate in the articulate seat on the electric automobile.

2. The battery pack mounting portion of claim 1, wherein the hanging seat comprises a mounting portion and a hanging portion, the mounting portion is provided with a mounting hole, and the mounting hole is used for allowing a fastener to be mounted on a vertical beam at the bottom of the electric vehicle along a horizontal direction.

3. The battery pack mounting section of claim 2, wherein the mounting section is provided perpendicularly to a surface of the hanging section.

4. The battery pack mounting section of claim 2, wherein a reinforcing plate is further provided between the mounting section and the hanging section.

5. The battery pack mounting portion of claim 2, wherein the hanging seat has a hanging slot, the bottom of the hanging seat is provided with an entrance of the hanging slot, and the hanging member on the battery pack passes through the entrance of the hanging slot and moves to the hanging point in the hanging slot, so that the battery pack is fixedly connected to the electric vehicle.

6. The battery pack mounting section of claim 5, wherein the hooking slot entrance comprises a first open slot and a first locking slot that are in communication with each other, the hooking member extends into the hooking slot through the first open slot, and the hooking member moves from the first open slot to a first position corresponding to the first locking slot and from the first position to the hooking point along the first locking slot.

7. The battery pack mounting section of claim 6, wherein the first open groove is not parallel to an extending direction of the first locking groove.

8. The battery pack mounting section of claim 6, wherein the first open groove is perpendicular to an extending direction of the first locking groove.

9. The battery pack mounting section of claim 5, wherein the hanging seat has a support portion to which the hanging member is hung after reaching the hanging point.

10. The battery pack mounting portion according to claim 6, wherein an avoiding opening is formed at a bottom of the hooking seat, the avoiding opening is communicated with the hooking groove inlet, and the avoiding opening and the locking groove are oppositely disposed at both sides of the first opening groove.

11. The battery pack mounting section of claim 6, wherein the cross-section between the first opening groove and the first locking groove is "T" or "cross".

12. The battery pack mounting section of claim 5, wherein the top of the docking station has a top opening that communicates with the docking slot entrance.

13. The battery pack mounting section of claim 12, wherein the top opening is larger than the hooking groove entrance and penetrates to a surface of the hooking portion.

14. The battery pack mounting portion of claim 5, wherein the hooking portion includes a first hooking portion and an extension portion at least one side of the first hooking portion, the extension portion protruding downward from a bottom surface of the first hooking portion; and/or the extension part protrudes upwards from the top surface of the first hanging part.

15. The battery pack mounting section of claim 14, wherein a top surface of the first hooking section and a top surface of the extension section are flush; and/or the bottom surface of the first hanging part is lower than the bottom surface of the extension part.

16. The battery pack mounting section of claim 14, wherein a top surface of the first hooking section is higher than a top surface of the extension section.

17. The battery pack mounting portion of claim 14, wherein the hanging groove is provided in the first hanging portion and/or the extending portion.

18. The battery pack mounting section according to claim 5, wherein the lock shaft enters the second locking groove when reaching a position where the second opening groove meets the second locking groove from the second opening groove in a vertical direction, and the hanging member moves to the first position in the vertical direction, and/or wherein the lock shaft moves to the locking position in the second locking groove, and the hanging member reaches the hanging point which moves to the hanging seat along the hanging groove.

19. The battery pack mounting section of claim 18, wherein the quick-change bracket is annular or double-sided strip-shaped.

20. The battery pack mounting section of claim 18, wherein the hanging seat is provided at an intermediate position on the quick-change holder side provided with the locking mechanism at the bottom.

21. The battery pack mounting section of claim 18, further comprising a bolt-type locking mechanism and a bead-expanding type locking mechanism for locking the battery pack to an electric vehicle.

22. The battery pack mounting section of any one of claims 1-21, wherein the battery pack mounting section further comprises a vehicle end electrical connector; and/or the battery pack further comprises a liquid cooling connection device.

23. The battery pack mounting section of claim 22 wherein said vehicle end electrical connector and liquid cooling line connection means are located on the bottom of said electric vehicle.

24. The battery pack mounting portion according to claim 1, wherein the number of the hooking seats is plural, and the plurality of the hooking seats are provided on a bottom plate of an electric vehicle.

25. An electric vehicle, characterized in that it comprises a battery pack mounting portion as claimed in any one of claims 1 to 24.