CN215284469U

CN215284469U - Quick change support and vehicle

Info

Publication number: CN215284469U
Application number: CN202120779421.4U
Authority: CN
Inventors: 周海涯; 杨春雷; 任志伟
Original assignee: Baoneng Guangzhou Automobile Research Institute Co Ltd
Current assignee: Baoneng Guangzhou Automobile Research Institute Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-24
Anticipated expiration: 2031-04-15

Abstract

The quick-change support comprises a support body and a locking mechanism, wherein the locking mechanism comprises a base and a lock pin, the base is fixed on the support body, the base is provided with a slot for the lug to enter along a first direction, the lock pin is connected to the base in a stretching or retracting manner, the lock pin is used for locking the lug entering the slot, one end of the lock pin is provided with a guide inclined plane, and the lug can slide along the guide inclined plane and extrude the lock pin so as to retract the lock pin; the locking mechanism further comprises an operating piece connected with the lock pin, and the operating piece is used for driving the lock pin to rotate around the axis of the lock pin so that the guide inclined surface faces or faces away from the first direction. This application can let the quick installation of battery package and dismantle, has improved the change efficiency of battery package.

Description

Quick change support and vehicle

Technical Field

The application relates to the technical field of quick battery replacement, in particular to a quick replacement support and a vehicle.

Background

With the further promotion of national and local governments, the new energy automobile industry continues to develop rapidly, and the market holding amount increases year by year. In recent years, technical investment is increased in various large host plants, technical problems are overcome continuously, but the technical problems of difficult charging and slow charging are still improved but cannot be broken through, so that the popularization of new energy industry is restricted to a certain extent.

In order to solve the technical problem, battery quick-change markets are distributed in large host plants, and the problem of difficult charging and slow charging is hopefully solved through quick battery change, so that the service quality is improved. However, the quick-release structures of the battery pack of the new energy automobile currently on the market are various, and for example, chinese patent publication No. CN210502236U discloses a quick-change bracket assembly and an electric automobile, wherein the quick-change bracket assembly is used for mounting the battery pack to the electric automobile, the quick-change bracket assembly includes a quick-change bracket, a locking mechanism and a positioning mechanism, the locking mechanism and the positioning mechanism are all arranged on the quick-change bracket, and the locking mechanism is used for locking the battery pack on the electric automobile and limiting the battery pack from moving in the driving direction of the electric automobile; the positioning mechanism is used for limiting the battery pack to move in the direction perpendicular to the driving direction in the horizontal plane and/or limiting the battery pack to move in the vertical direction.

Although locking the battery package through locking mechanical system and positioning mechanism in this scheme, the efficiency of installing and removing of battery package still is lower, and the change work load of battery package is big, is unfavorable for technical popularization. Therefore, a new quick-change bracket is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick change support, this application can let the quick installation of battery package and dismantle, has improved the change efficiency of battery package greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick-change support is used for installing a battery pack, the battery pack is provided with a lifting lug and comprises a support body and a locking mechanism, the locking mechanism comprises a base and a locking pin, the base is fixed on the support body and provided with a slot for the lifting lug to enter along a first direction, the locking pin is connected to the base in a stretching or retracting manner and used for locking the lifting lug entering the slot, one end of the locking pin is provided with a guide inclined plane, and the lifting lug can slide along the guide inclined plane and extrude the locking pin so as to retract the locking pin; the locking mechanism further comprises an operating piece connected with the lock pin, the operating piece is used for driving the lock pin to rotate around the axis of the operating piece, so that the guide inclined plane faces or backs to the first direction, and when the guide inclined plane backs to the first direction, the lock pin prevents the lifting lug from being separated from the slot along the reverse direction of the first direction; when the guide slope faces the first direction, the lock pin allows the lifting lug to be separated from the slot along the direction opposite to the first direction.

In the application, through the quick-change bracket, when the battery pack is installed, the battery pack is directly installed into the slot along the first direction, and the lifting lug of the battery pack is locked by the locking pin; when dismantling the battery package, only need utilize the control piece to drive the lockpin and rotate, let the direction-changing of direction inclined plane of lockpin, alright in order directly to take out the battery package, let the installation and the dismantlement that the battery package can be quick, improved the change efficiency of battery package.

In an alternative embodiment, the lifting lug is provided with a mounting hole, and the locking pin is used for being inserted into the mounting hole to lock the lifting lug.

Therefore, the lock pin is matched with the mounting hole of the lifting lug, so that the lifting lug can be locked, and the lifting lug is prevented from moving.

In an optional embodiment, two mounting holes are formed in the lifting lug, the locking mechanism comprises two locking pins, and the locking pins correspond to the mounting holes one to one.

Therefore, compared with the locking of one lock pin, the two lock pins are respectively combined with the two mounting holes to limit two points on the lifting lug, the lifting lug cannot rotate left and right due to external force, and the mounting stability of the lifting lug is higher.

In an alternative embodiment, two detents are spaced apart in the first direction.

In an alternative embodiment, the locking mechanism further includes a first gear and two second gears, the two second gears are respectively fixed to the two lock pins and are arranged coaxially with the lock pins, the first gear is respectively engaged with the two second gears, and the operating member is connected to the first gear for driving the first gear to rotate.

Therefore, the first gear is driven to rotate by the control piece, the first gear is meshed with the two second gears respectively, and the two lock pins can be driven to synchronously rotate, so that the direction of the guide inclined planes on the lock pins is switched. In this application, just can control two lockpins and rotate simultaneously through acting on the control piece, it is more convenient to the rotation control of lockpin.

In an alternative embodiment, the second gear is a sector gear with a 180 ° range of rotation.

In an alternative embodiment, the locking mechanism further comprises a resilient member configured to apply a resilient force to the locking pin to maintain the locking pin in the extended state.

Therefore, when the lifting lug is installed, the locking pin is extruded when the lifting lug moves along the first direction, the elastic piece contracts, and the locking pin is separated from the lifting lug in the slot. After the lifting lug moves in place, the locking pin can be matched with the lifting lug in a locking mode under the reset action of the elastic piece, manual reset is not needed to be carried out by external force, and control is convenient.

In an alternative embodiment, a guide protrusion extending along the first direction is disposed on an inner wall of the slot, and a guide groove is disposed on a surface of the lifting lug, and the guide protrusion is configured to cooperate with the guide groove to guide the lifting lug to move along the first direction.

Like this, the protruding first direction setting along the slot of direction, the protruding cooperation of direction recess on with the lug of direction, the protruding direction of giving the lug of direction provides direction and limiting displacement, more does benefit to the lug and installs along first direction in the slot.

In an alternative embodiment, the guide groove is a dovetail groove, and the guide protrusion is a dovetail-shaped protrusion matched with the dovetail groove.

Like this, the dovetail is mutually supported with the arch of dovetail, and the lug is installed in the slot, and the lug is difficult for breaking away from with the direction arch, and the stability of lug is higher.

Through above-mentioned technical scheme, this application has following beneficial effect:

1. the lug is under the guide effect on direction inclined plane, and the quick installation of realization battery package that can be fine only needs to promote the battery package, lets the lug remove along the first direction of slot, just can install the battery package on the quick change support, has improved the installation effectiveness of battery package greatly.

2. The elastic piece arranged on the lock pin can be automatically locked and unlocked with the lifting lug of the battery pack in the installation process of the lifting lug of the battery pack without other manual operations.

3. When taking out the battery package, through the control piece among the locking mechanism, switch the direction with the direction inclined plane of direction of lockpin, alright like this with take out the battery package, realize the quick dismantlement of battery package to the dismantlement efficiency of battery package has been improved greatly.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a locking mechanism provided in the present application in cooperation with a lifting lug;

FIG. 2 is a schematic view of another angle of engagement of the locking mechanism with the lifting lug provided herein;

FIG. 3 is an exploded schematic view of the locking mechanism provided herein;

FIG. 4 is a partial schematic view of a first gear mating with a second gear in the locking mechanism provided herein;

fig. 5 is a schematic structural diagram of a battery pack provided in the present application.

Icon: 1-a base; 11-a back plate; 111-a guide projection; 112-fixing holes; 12-upper plate; 121-a first abduction hole; 13-a lower plate; 131-a second abdicating hole; 14-a panel; 15-side plate; 16-upper limiting plate; 2-a lock pin; 21-a guide slope; 3-an elastic member; 4-a first gear; 5-a second gear; 6-a main shaft; 61-a mating portion; 7-a battery pack; 71-a lifting lug; 711-mounting holes; 712-a guide groove; 8-a manipulation member; 9-slot; 10-first direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present embodiment, a quick-change bracket is used for mounting a battery pack 7, the battery pack 7 has a lifting lug 71, the quick-change bracket includes a bracket body and a locking mechanism, as shown in fig. 1 and fig. 2, the locking mechanism includes a base 1 and a locking pin 2, the base 1 is fixed on the bracket body, a slot 9 for the lifting lug 71 to enter along a first direction 10 is provided on the base 1, the locking pin 2 is connected to the base 1 in an extendable or retractable manner, the locking pin 2 is used for locking the lifting lug 71 entering the slot 9, one end of the locking pin 2 is provided with a guiding inclined plane 21, and the lifting lug 71 can slide along the guiding inclined plane 21 and press the locking pin 2 to retract the locking pin 2; the locking mechanism further comprises an operating piece 8 connected with the lock pin 2, the operating piece 8 is used for driving the lock pin 2 to rotate around the axis of the operating piece 8, so that the guide inclined plane 21 faces or faces away from the first direction 10, and when the guide inclined plane 21 faces away from the first direction 10, the lock pin 2 prevents the lifting lug 71 from being separated from the slot 9 along the direction opposite to the first direction 10; when the guide slope 21 faces the first direction 10, the lock pin 2 allows the lug 71 to be disengaged from the socket 9 in the direction opposite to the first direction 10.

In the application, when the battery pack 7 is installed, the lifting lug 71 on the battery pack 7 enters the slot 9 along the first direction 10, at this time, the guide inclined plane 21 on the lock pin 2 faces away from the first direction 10, so that the lifting lug 71 can slide relative to the guide inclined plane 21 of the lock pin 2 and press the lock pin 2, and the lock pin 2 retracts, so that the battery pack 7 can be installed in the slot 9 along the first direction 10, and after the lifting lug enters the slot 9, the lock pin 2 locks the lifting lug 71 in the slot 9, and therefore the battery pack 7 is locked. When the battery pack 7 needs to be disassembled, the operating piece 8 is used for rotating the lock pin 2 along the axis of the operating piece 8, the guide inclined surface 21 of the lock pin 2 faces the first direction 10, so that the lifting lug 71 can slide with the guide inclined surface 21 of the lock pin 2 and press the lock pin 2, the lock pin 2 is retracted, and the lifting lug 71 can be taken out of the slot 9, so that the battery pack 7 can be taken out.

Therefore, by the quick-change bracket, when the battery pack 7 is installed, the lifting lug 71 of the battery pack 7 is directly installed into the slot 9 of the base 1 along the first direction 10, and the locking pin 2 locks the lifting lug 71 of the battery pack 7; when dismantling battery package 7, only need utilize control 8 to drive lockpin 2 and rotate, let the direction change of direction inclined plane 21 of lockpin 2, alright in order to take out battery package 7, let installation and dismantlement that battery package 7 can be quick, improved battery package 7's change efficiency.

In an alternative embodiment, as shown in fig. 3, the base 1 may include a back plate 11, an upper plate 12, a lower plate 13 and an upper limiting plate 16, the back plate 11 is vertically disposed, a plurality of fixing holes 112 are formed on the back plate 11, and the base 1 passes through the fixing holes 112 on the back plate 11 to be fixed by fixing members, such as bolts, pins and other fixing members, so as to fix the base 1 on the bracket body. Go up spacing board 16, upper plate 12 and hypoplastron 13 and from top to bottom fix on backplate 11 horizontally in proper order, go up spacing board 16, upper plate 12 and backplate 11 and inject the slot 9 of base 1 jointly, lockpin 2 is located between upper plate 12 and hypoplastron 13, corresponds to offer on upper plate 12 and supplies lockpin 2 to stretch into the first hole 121 of stepping down in slot 9 to lockpin 2 can pass first hole 121 of stepping down and stretch into and lock lug 71 in slot 9.

It should be noted that the height difference between the upper plate 12 and the upper limiting plate 16 may be matched with the thickness of the lifting lug 71, so that the formed slot 9 is convenient for limiting the vertical direction of the lifting lug 71, and the lifting lug 71 is not easily damaged by collision between the upper plate 12 and the upper limiting plate 16 due to vibration during the driving of the automobile. A panel 14 and two side plates 15 can be arranged between the upper plate 12 and the lower plate 13, and the closure of the base 1 can be increased through the panel 14 and the side plates 15.

In an alternative embodiment, as shown in fig. 5, a mounting hole 711 is provided on the lifting lug 71, and the lock pin 2 is used to be inserted into the mounting hole 711 to lock the lifting lug 71.

Thus, the lock pin 2 is matched with the mounting hole 711 of the lifting lug 71, and the lock pin 2 can extend into the mounting hole 711 of the lifting lug 71 to lock the lifting lug 71 and prevent the lifting lug 71 from moving.

In an alternative embodiment, two mounting holes 711 are provided on the lifting lug 71, the locking mechanism includes two lock pins 2, and the lock pins 2 correspond to the mounting holes 711 one by one.

Compared with the locking of the lifting lug 71 by one locking pin 2, the two locking pins 2 are respectively matched with the two mounting holes 711 on the lifting lug 71, two points on the lifting lug 71 can be limited at the same time, the locking effect on the lifting lug 71 is better, the lifting lug 71 is not easy to rotate due to external force, and the stability of the lifting lug 71 is higher.

In an alternative embodiment, two locking pins 2 are spaced apart in the first direction.

In an alternative embodiment, as shown in fig. 4, the locking mechanism further includes a first gear 4 and two second gears 5, the two second gears 5 are respectively fixed on the two lock pins 2 and are coaxially arranged with the lock pins 2, the first gear 4 is respectively meshed with the two second gears 5, and the operating member 8 is connected to the first gear 4 for driving the first gear 4 to rotate.

It should be noted that two second gears 5 are coaxially arranged on the corresponding lock pins 2, respectively, the second gears 5 and the lock pins 2 can be fixed by key connection, and the first gear 4 is mounted on a main shaft 6, and the main shaft 6 is located between the two lock pins 2 and is arranged in parallel with the lock pins 2 at intervals. The lower plate 13 is correspondingly provided with a second abdicating hole 131 for the lower ends of the lock pin 2 and the main shaft 6 to pass through, so that the lower ends of the lock pin 2 and the main shaft 6 can respectively pass through the corresponding second abdicating hole 131 on the lower plate 13 to be in running fit with the lower plate 13. The lower end of the spindle 6 can also completely penetrate through the corresponding second relief hole 131 on the lower plate 13 and extend out of the lower plate 13, the part of the spindle 6 extending out of the lower plate 13 is provided with a matching part 61 matched with the operating piece 8, and the spindle 6 can rotate by matching the operating piece 8 with the matching part 61 of the spindle 6.

Thus, the first gear 4 is rotated by the operating member 8, and the first gear 4 is meshed with the two second gears 5 respectively, so that the two lock pins 2 can be driven to rotate synchronously, and the guide inclined surfaces 21 on the lock pins 2 can switch directions.

In an alternative embodiment, the second gear 5 may be a sector gear with a 180 ° rotation range.

Therefore, the rotation angle range of the lock pin 2 is controlled to be 180 degrees, when the lock pin 2 rotates 180 degrees under the action of the operating piece 8, the direction change of the guide inclined surface 21 on the lock pin 2 is completed, so that the lock pin 2 cannot rotate continuously after rotating for half a circle, and the rotation control of the lock pin 2 is more convenient.

In an alternative embodiment, the locking mechanism further comprises a resilient member 3, the resilient member 3 being configured to apply a resilient force to the lock pin 2 to maintain the lock pin 2 in the extended state.

In this embodiment, the elastic member 3 may be a spring, and can provide an elastic force to the lock pin 2. When the elastic member 3 is a spring, the elastic member 3 is sleeved on the lock pin 2 and is located below the second gear 5, the upper end and the lower end of the elastic member 3 can be respectively abutted to the bottom of the second gear 5 and the lower plate 13, when the lock pin 2 is in a retraction state, the upper end of the lock pin 2 can be retracted into the first abdicating hole 121 of the upper plate 12, and the lower end of the lock pin 2 can be extended into the corresponding second abdicating hole 131 on the lower plate 13.

Thus, when the lug 71 is installed, when the lug 71 moves in the first direction 10 to press the lock pin 2, the lock pin 2 retracts, the elastic member 3 contracts, and the lock pin 2 is disengaged from the lug 71 in the socket 9. After the lifting lug 71 is installed in place, the locking pin 2 can be locked and matched with the lifting lug 71 again under the reset action of the elastic piece 3, manual reset is not needed outside, and control is more convenient.

In an alternative embodiment, the inner wall of the slot 9 is provided with a guide protrusion 111 extending along the first direction 10, the surface of the lifting lug 71 is provided with a guide groove 712, and the guide protrusion 111 is configured to cooperate with the guide groove 712 to guide the movement of the lifting lug 71 along the first direction 10.

Thus, the guiding protrusion 111 is disposed along the first direction 10 of the slot 9, the guiding protrusion 111 is engaged with the guiding groove 712 on the lifting lug 71, and the guiding protrusion 111 provides guiding and limiting effects for the lifting lug 71, which is more beneficial for the lifting lug 71 to move in the first direction or the direction opposite to the first direction in the slot 9.

In an alternative embodiment, the guide groove 712 is a dovetail groove, and the guide protrusion 111 is a dovetail-shaped protrusion that is matched with the dovetail groove.

Like this, dovetail and the protruding of dovetail mutually support, have limiting displacement, and lug 71 is installed in slot 9, and lug 71 is difficult for breaking away from with guide projection 111, and lug 71's installation stability is higher.

Specifically, the front end of the guide protrusion 111 is arc-shaped, so that when the lifting lug 71 is just matched with the guide protrusion 111, the difficulty in aligning the lifting lug 71 with the guide protrusion 111 is reduced, and the battery pack 7 is convenient to mount.

The implementation process comprises the following steps: as shown in fig. 1 and 2, when the battery pack 7 is mounted, the battery pack 7 is moved to a corresponding position on the bracket body, the battery pack 7 is moved upwards as a whole, the lifting lug 71 of the battery pack 7 is just close to the open side of the slot 9, then the battery pack 7 is moved along the first direction 10 of the slot 9, the guide inclined plane 21 of the lock pin 2 faces away from the first direction 10, the lifting lug 71 is firstly contacted with the guide inclined plane 21 of the lock pin 2 and presses the lock pin 2, the downward component force compresses the elastic member 3, the upper end of the lock pin 2 is retracted into the upper plate 12 and is separated from the slot 9, and the lifting lug 71 can continue to move in the slot 9; after the lifting lug 71 of the battery pack 7 moves to the right position, the mounting hole 711 on the lifting lug 71 is positioned right above the locking pin 2, the locking pin 2 is locked and matched with the mounting hole 711 on the lifting lug 71 again under the reset action of the elastic piece 3 to lock the lifting lug 71, and the battery pack 7 is mounted.

On the contrary, when the battery pack 7 is taken out, the operating part 8 is firstly adopted to rotate to drive the first gear 4 to rotate, the two lock pins 2 are driven to rotate through the rotation of the first gear 4, after the lock pins 2 rotate 180 degrees, the guide inclined planes 21 on the lock pins 2 are reversed, at the moment, the guide inclined planes 21 face to the first direction 10, the locking lifting lugs 71 are changed into a guide effect, then the battery pack 7 is pushed to the opposite direction of the first direction 10, the lifting lugs 71 on the battery pack 7 can also press the guide inclined planes 21 of the lock pins 2, the lock pins 2 are retracted into the upper plate 12 after being pressed, are separated from the mounting holes 711 of the lifting lugs 71, the lifting lugs 71 are unlocked, and then the lifting lugs 71 slide out of the slots 9, so that the battery pack 7 is taken out.

After the battery pack 7 is detached, the operating member 8 is used to rotate the first gear 4, so that the guide inclined surface 21 of the lock pin 2 faces back to the first direction 10 again, and the next installation of the battery pack 7 is facilitated.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A quick-change bracket for mounting a battery pack, the battery pack having a lifting lug, comprising:

a stent body;

the locking mechanism comprises a base and a lock pin, the base is fixed on the bracket body, the base is provided with a slot for the lifting lug to enter along a first direction, the lock pin is connected to the base in an extensible or retractable manner, the lock pin is used for locking the lifting lug entering the slot, one end of the lock pin is provided with a guide inclined plane, and the lifting lug can slide along the guide inclined plane and extrude the lock pin so as to retract the lock pin;

the locking mechanism further comprises an operating piece connected with the lock pin, the operating piece is used for driving the lock pin to rotate around the axis of the lock pin, so that the guide inclined plane faces or faces away from the first direction, and when the guide inclined plane faces away from the first direction, the lock pin prevents the lifting lug from being separated from the slot along the direction opposite to the first direction; when the guide slope faces the first direction, the lock pin allows the lifting lug to be separated from the slot along the direction opposite to the first direction.

2. The quick-change holder according to claim 1, wherein the lifting lug is provided with a mounting hole, and the locking pin is inserted into the mounting hole to lock the lifting lug.

3. The quick-change bracket according to claim 2, wherein the lifting lug is provided with two mounting holes, and the locking mechanism comprises two locking pins, and the locking pins correspond to the mounting holes one to one.

4. The quick-change holder according to claim 3, wherein two of the locking pins are spaced apart in the first direction.

5. The quick-change holder according to claim 4, wherein the locking mechanism further comprises a first gear and two second gears, the two second gears are respectively fixed to the two locking pins and are coaxially arranged with the locking pins, the first gear is respectively meshed with the two second gears, and the operating member is connected to the first gear for driving the first gear to rotate.

6. The quick-change holder according to claim 5, wherein the second gear is a sector gear with a rotation range of 180 °.

7. The quick-change holder according to claim 1, wherein the locking mechanism further comprises a resilient member configured to apply a resilient force to the locking pin to maintain the locking pin in the extended state.

8. The quick-change holder according to claim 1, wherein the inner wall of the slot is provided with a guide protrusion extending along the first direction, and the surface of the lifting lug is provided with a guide groove, and the guide protrusion is adapted to cooperate with the guide groove to guide the lifting lug to move along the first direction.

9. The quick-change holder according to claim 8, wherein the guide groove is a dovetail groove, and the guide projection is a dovetail-shaped projection that fits in the dovetail groove.

10. A vehicle, characterized in that it comprises a quick-change holder according to any one of claims 1-9.