CN211139005U - Quick change device of power battery - Google Patents

Abstract

The utility model discloses a quick-change device for a power battery, comprising: a mounting shaft body that can be adapted and fastened to a mounting bracket of a vehicle body; The bottom of the shaft body is provided with grooves and a plurality of support block assemblies for holding the power battery and fastened on the installation shaft body. The support block assemblies include: a support block body; an elastic piece; and a mounting bolt that penetrates the support block body and the elastic piece and is fastened on the mounting shaft body, wherein: the support block body is extruded, and the support block body rotates at a certain angle with the mounting bolt as the rotating shaft and is accommodated in the groove middle. The quick replacement device for the power battery of the utility model can realize the rapid disassembly and assembly of the power battery, improve the replacement efficiency of the power battery, and has high versatility and compatibility; the structure is simplified, and the cost is easy to control.

Description

A quick-change device for a power battery

technical field

The utility model relates to the field of automobile manufacturing, in particular to a quick-change device for a power battery.

Background technique

The power battery is the core component of new energy vehicles, and in terms of the experience of using new energy vehicles and fuel vehicles, especially in comparison with the fueling time of fuel vehicles, the charging time of new energy vehicles is more than half an hour, which greatly increases the battery life of new energy vehicles. The rapid promotion of new energy vehicles is limited, especially in the commercial vehicle market.

In the prior art, in order to solve the need for rapid power supply after the new energy vehicle runs out of power, various auto manufacturers and supporting manufacturers in the industry are currently trying to quickly replace the new energy vehicle with the power supply through the quick-change technology, but the current There is no effective, universal and compatible solution. In addition, the existing power battery and the body are basically connected by bolts, and the power battery is tightened to the body mounting bracket through the equipment. Due to the large number of mounting bolts involved, the installation efficiency is slow, and it is currently impossible to achieve rapid installation and removal.

Utility model content

The technical problem to be solved by the present invention is to provide a quick replacement device for a power battery, which can realize the rapid disassembly and assembly of the power battery, improve the replacement efficiency of the power battery, and has high versatility and compatibility; the structure is simplified and the cost is easy to control.

In order to solve the above technical problems, an embodiment of the present utility model provides a quick-change device for a power battery, including: an installation shaft body that can be fitted and fastened to a vehicle body mounting bracket, and the top of the installation shaft body is provided with a device for pressing For the elastic limit assembly of the power battery, the bottom of the installation shaft body is provided with a groove and a plurality of support block assemblies for holding the power battery and fastened on the installation shaft body. The support block assembly includes: a support block body; an elastic piece on the support block body and the mounting shaft body; and a mounting bolt that penetrates the support block body and the elastic piece and is fastened on the mounting shaft body, wherein: the support block body is extruded, and the support block body uses the mounting bolt as a rotating shaft It is accommodated in the groove after rotating the angle.

The power battery installation hole passes through the support block assembly, the support block body is rotated and opened relative to the rotating shaft under the action of the elastic member, and the elastic limit assembly presses the power battery on the support block body.

Wherein, the support block body is plate-shaped, and the support block body is at least provided with a pressing plane and a pressing arc surface connected with the pressing plane; the middle part of the support block body is provided with an assembly hole for the mounting bolt to pass through.

Wherein, the assembling hole is provided with an assembling groove for assembling the elastic piece, and the assembling groove is provided with a limiting groove for fastening the elastic piece.

Wherein, the elastic limit component includes: a top limit piece, a cylindrical elastic piece and a bottom limit piece, the bottom limit piece, the cylindrical elastic piece and the top limit piece are sequentially sleeved on the top of the installation shaft body, wherein: the top limit piece The limit piece is screwed with the installation shaft body, and the top limit piece is fastened on the annular limit surface of the installation shaft body.

The top limiter and the bottom limiter are respectively circular limit structures with flanging; the cylindrical elastic part is a cylindrical spring, and the cylindrical elastic part is limited between the top limiter and the bottom limiter. between.

Wherein, the installation shaft body is made of high-strength steel or metal material, and the installation shaft body is a cylindrical structure with a cross-section of any one of a cylinder, a square, and a regular hexagon.

The quick-change device for the power battery provided by the utility model has the following beneficial effects: during assembly, the power battery mounting hole penetrates the mounting shaft body, squeezes the support block body, and the support block body is turned into the recess at the bottom of the mounting shaft body The power battery installation hole passes through the support block assembly, the support block body is rotated and opened relative to the rotating shaft under the action of the elastic member, and the elastic limit assembly presses the power battery on the support block body; when disassembled, the power battery passes through the power battery. The tooling is lifted from the bottom to the top, and the tooling of the power battery moves synchronously; under the action of the power battery tooling, the support block body is screwed into the groove; the power battery tooling is linked with the power battery to descend synchronously, so that the power battery is separated from the battery quick change device. , which can realize the rapid disassembly and assembly of the power battery, improve the replacement efficiency of the power battery, and has high versatility and compatibility; the structure is simplified and the cost is easy to control.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic diagram of a blasting structure of a quick-change device for a power battery according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the assembly structure of a quick-change device for a power battery according to an embodiment of the present invention.

3 is a schematic cross-sectional structural diagram of a quick-change device for a power battery according to an embodiment of the present invention.

4 is a schematic structural diagram of a support block body of a quick-change device for a power battery according to an embodiment of the present invention.

FIG. 5 is an assembly schematic diagram of the quick-change device of the power battery and the power battery according to the embodiment of the present invention.

FIG. 6 is an enlarged schematic view of one of the quick-change devices for a power battery as shown in FIG. 6 of the quick-change device for a power battery according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1-6 in combination, it is the first embodiment of the power battery quick-changing device of the present invention.

The quick-change device for the power battery in this embodiment can quickly realize the installation and removal of the power battery. As shown in FIG. 5 , the power battery T is assembled with several quick-change devices in this embodiment through the power battery mounting brackets T1 on both sides thereof. The following takes a quick-change device as an example to illustrate the structure of the quick-change device and how to implement quick disassembly and assembly with the mounting holes on the power battery mounting bracket T1.

As shown in FIGS. 1-3 , the quick-change device for the power battery in this embodiment includes: an installation shaft body 1 that can be adapted and fastened to the body mounting bracket, and the top of the installation shaft body 1 is provided with a For the elastic limiting assembly 2 of the power battery, the bottom of the installation shaft body 1 is provided with a groove 11 and a plurality of support block assemblies 3 for holding the power battery T and fastened on the installation shaft body 1. The support block assembly 3 includes: The support block body 31; the elastic piece 32 clamped on the support block body 31 and the mounting shaft body 1; and the mounting bolts 33 penetrating the support block body 31 and the elastic piece 32 and fastened on the mounting shaft body 1, wherein: to The support block body 31 is squeezed, and the support block body 31 is accommodated in the groove 11 after being rotated by a certain angle with the mounting bolt 33 as the rotation axis.

The mounting shaft body 1 is a cylindrical structure with a cross-section of any one of a cylinder, a square and a regular hexagon, and the mounting shaft body 1 is made of high-strength steel or metal material.

The mounting shaft body 1 in this embodiment is cylindrical, and is formed by connecting two coaxial cylinders up and down. The diameter of the top cylinder is smaller than the diameter of the bottom cylinder, and the connecting part of the two forms an annular limiting surface 12 . The top of the mounting shaft body 1 is provided with threads, which are adapted to be fastened to the vehicle body mounting bracket. The bottom of the mounting shaft body 1 is provided with an inner hexagon or other pattern, which is used to screw the mounting shaft body 1 so that the top thread can be screwed with the body mounting bracket. In addition, the middle part of the mounting shaft body 1 can be processed into various shapes that can match the power battery support block assembly 3 , for example, to facilitate the installation, rotation and position limit of the support block body 31 of the support block assembly 3 .

The grooves 11 are evenly opened at the bottom of the mounting shaft body 1, which can be set correspondingly according to the number of the support block assemblies 3. For example: in this embodiment, four identical structures are opened equidistantly on the circumference of the bottom of the mounting shaft body 1. The groove 11 is used to accommodate the support block assembly 3 .

The elastic limiting assembly 2 is arranged on the top of the mounting shaft body 1, and its function is to press the power battery during the assembly of the power battery.

The elastic limiting component 2 includes: a top limiting member 21 , a cylindrical elastic member 22 and a bottom limiting member 23 . The bottom limiting member 23 , the cylindrical elastic member 22 and the top limiting member 21 are sequentially sleeved on the mounting shaft body 1 , wherein: the top stopper 21 is threadedly locked with the installation shaft body 1 , and the top stopper 21 is fastened on the annular stop surface 12 of the installation shaft body 1 .

In a specific implementation, the top stopper 21 and the bottom stopper 23 are respectively circular stopper structures with flanging, which are processed from high-strength steel or metal. The cylindrical elastic member 22 is a cylindrical spring, the cylindrical elastic member 22 is limited between the top limiting member 21 and the bottom limiting member 23, and the flanges mainly play a limiting role.

The function of the support block assembly 3 is to fasten the power battery installation hole so that the power battery T can be fastened on the installation shaft body 1, thereby realizing the installation and removal of the power battery.

In specific implementation, the support block assembly 3 includes: a support block body 31; an elastic member 32 clamped on the support block body 31 and the mounting shaft body 1; 1 on the mounting bolts 33.

Further referring to FIG. 4 , the support block body 31 is in the shape of a plate, and the support block body 31 is at least provided with a pressing plane 31a and a pressing arc surface 31b connected with the pressing plane 31a; the middle part of the support block body 31 is provided with bolts for mounting 33 through the mounting hole 311. Meanwhile, the assembling hole 311 is provided with an assembling groove 3111 for assembling the elastic member 32 , and the assembling groove 3111 is provided with a limiting groove 3112 for fastening the end of the elastic member 32 .

The elastic member 32 is a spring with fixed structures on both sides. The fixed structures are inserted into the limiting grooves 3112 of the support block body 31 and the fitting positions in the mounting shaft body 1 to achieve limiting and fixing. The mounting bolt 33 is a high-strength bolt, cylindrical, with a slot, a cross groove or other pattern tightening structures on the mounting end face.

During specific assembly, as shown in FIG. 5 , place the elastic member 32 in the assembly groove 3111 of the support block body 31 , and then place the support block body 31 together with the elastic member 32 in the groove 11 , and the mounting bolt 33 penetrates the support block. The assembly hole in the center of the body 31 and the elastic piece 32 is fastened to the mounting shaft body 1 to complete the assembly. After assembly, the support block body 31 can be rotated about the mounting bolt 33 as a rotation axis. The elastic member 32 stretches the support block body 31 relative to the installation shaft body 1, and the support block body 31 can be rotated by the external force (the direction from the support block assembly 3 toward the elastic limit assembly 2) with the installation bolt 33 as the rotation axis, Under the continuous external force until it is accommodated in the groove 11 . That is to say, by pressing the pressing arc surface 31b of the support block body 31, the support block body 31 can be accommodated in the groove 11 after being rotated by a certain angle with the mounting bolt 33 as the rotation axis.

During the specific implementation of the quick-change device for the power battery in this embodiment, firstly, screw the quick-change device assembly into the body mounting bracket through the thread at the top of the mounting shaft body 1, and the specific tightening torque is determined according to the demand of the power battery. The power battery T is lifted from bottom to top by the tooling, the mounting holes on both sides of the power battery are aligned with the quick-change device in this embodiment, and the bottom of the mounting shaft body 1 continues to be lifted upwards, and the support block body 31 is in the power battery mounting hole. Under the action of the mounting bolt 33 as the rotating shaft to rotate inwardly, while the support block assembly 3 at the bottom of the mounting shaft body 1 passes through the power battery mounting hole, the power battery T compresses the elastic limit assembly 2 upward, and when it reaches a certain position, it supports The block body 31 is automatically reset to the open state under the action of the elastic member 32, the power battery T falls back to the pressing plane 31a of the support block body 31, and the elastic limiting assembly 2 presses the power battery T from top to bottom, thereby realizing The quick installation of the power battery T is provided.

When disassembling, the bottom of the power battery T is held up from bottom to top by the tooling, and the tooling of the power battery moves synchronously; under the action of the power battery tooling, the support block body 31 rotates a certain angle with a mounting bolt 33 as the rotating shaft and is accommodated in the battery. Install the groove 11 at the bottom of the shaft body 1, and compress the upper elastic limit assembly 2 at the same time. When the support block body 31 is completely closed; the power battery tooling is linked with the power battery T to descend synchronously, so that the power battery T is separated from the battery quick change device. Enables quick disassembly.

The quick-change device for the power battery of the utility model can select the quantity and size of the quick-change device according to the actual use requirements of the power battery, which is similar to a standard part. At the same time, the quick-change device can be directly screwed into the body to make it in a usable state without the need for matching modifications to the body, with high versatility and compatibility. The power battery also does not need to add additional devices or structures, and the battery and the body can be fastened directly through the quick-change device. The device has the advantages of simple structure, good manufacturability and low cost, and can be widely used.

In addition, the front-end design of the power battery quick-change device only needs to be selected, and complex matching design is not required, which is highly feasible. The whole vehicle production process can realize fast installation. After being put on the market, the quick disassembly and installation of the power battery can meet the current power exchange needs of new energy vehicles. The power exchange time is even faster than that of fuel vehicles.

The quick-change device for the power battery of the present invention has the following beneficial effects: during assembly, the power battery mounting hole penetrates the mounting shaft body, squeezes the support block body, and the support block body is turned into the groove at the bottom of the mounting shaft body middle; the power battery installation hole passes through the support block assembly, the support block body is rotated and opened relative to the rotating shaft under the action of the elastic member, and the elastic limit assembly presses the power battery on the support block body; when disassembling, the power battery is assembled through the power battery Lifted from bottom to top, the tooling of the power battery moves synchronously; under the action of the power battery tooling, the support block body is screwed into the groove; the power battery tooling is linked with the power battery to descend synchronously, so that the power battery is separated from the battery quick-change device. It can realize the quick disassembly and assembly of the power battery, improve the replacement efficiency of the power battery, and has high versatility and compatibility; the structure is simplified and the cost is easy to control.

Claims (7)

1. A quick change device of power battery, characterized by includes:

can the adaptation fastening installation axle body on automobile body installing support, the top of installation axle body is equipped with the spacing subassembly of elasticity that is used for supporting to press power battery, the bottom of installation axle body is equipped with the recess and is used for the card to hold power battery fastening and is in install a plurality of supporting shoe subassemblies on the axle body, the supporting shoe subassembly includes:

a support block body;

the elastic piece is clamped on the supporting block body and the mounting shaft body; and

run through the supporting shoe body with the elastic component and fasten the mounting bolt on installing the axle body, wherein: and extruding the supporting block body, wherein the supporting block body is accommodated in the groove after the supporting block body uses the mounting bolt as a rotating shaft for rotating by a certain angle.

2. The quick-change device for power batteries according to claim 1, wherein the power battery mounting hole passes through the support block assembly, the support block body is opened by rotating relative to the rotating shaft under the action of the elastic member, and the elastic limiting assembly presses the power battery against the support block body.

3. The quick-change device for power batteries according to claim 1, characterized in that the supporting block body is plate-shaped and is provided with at least a pressing plane and an extrusion cambered surface connected with the pressing plane;

and the middle part of the supporting block body is provided with an assembling hole for the mounting bolt to pass through.

4. The quick-change device for the power battery as claimed in claim 3, wherein the assembly hole is provided with an assembly groove for assembling the elastic member, and the assembly groove is provided with a limiting groove for fastening the elastic member.

5. The quick-change device for power batteries according to claim 1, characterized in that the elastic limiting component comprises: top locating part, cylindricality elastic component and end locating part, end locating part cylindricality elastic component and top locating part cup joints in proper order the top of installation axle body, wherein:

the top limiting part is in threaded locking with the installation shaft body, and the top limiting part is fastened on an annular limiting surface of the installation shaft body.

6. The quick-change device for the power battery according to claim 5, wherein the top limiting piece and the bottom limiting piece are circular limiting structures with flanges respectively; the cylindrical elastic member is a cylindrical spring, and is limited between the top limiting member and the bottom limiting member.

7. The quick-change device for power batteries according to claim 1, wherein the mounting shaft body is made of high-strength steel or metal material, and the mounting shaft body is a cylindrical structure with a cross section in any one of a cylinder, a square and a regular hexagon.

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