CN217823101U

CN217823101U - Power battery lower box body side plate

Info

Publication number: CN217823101U
Application number: CN202221913678.5U
Authority: CN
Inventors: 王荣欢; 陈川
Original assignee: Ningde Changying New Energy Technology Co ltd; Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Ningde Changying New Energy Technology Co ltd; Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-15
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a box curb plate under power battery, including flat curb plate main part, the curb plate main part includes internal surface, left surface, right flank, one side border of second U type mouth is connected to the one end of second mesa, the other end of second mesa is connected to the third mesa, the other end of third mesa is connected to terminal surface down, the opposite side border of second U type mouth is connected to the one end of fourth mesa, the other end of fourth mesa is connected to the left surface. Power battery under the curb plate of box assemble connection bayonet socket through being provided with first and assemble connection bayonet socket and second and come to realize assembling and joint with the end plate, the linkage effect is stable and firm, simultaneously, has avoided screwed connection, it is more convenient to operate.

Description

Power battery lower box body side plate

Technical Field

The application relates to the field of new energy vehicles power batteries, in particular to a power battery lower box body side plate.

Background

New energy automobile's electric energy mainly provides through power battery, and generally, new energy automobile's power battery includes a plurality of battery package, and the setting of battery package needs fix through box down.

The lower case of the power battery is a box-like device for mounting and securing a battery pack, generally rectangular in shape. The lower box body structurally relates to a side plate and an end plate, wherein the side plate is a shell plate at the side position of the lower box body, and the end plate is a shell plate at the end position of the lower box body. The existing end plate and the shell plate are connected by a plurality of screws, and the operation is troublesome in the assembling process. An improved idea is to design the end plates and the side plates into a splicing structure, so that the side plate of the lower box body of the power battery needs to be redesigned.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned demand, the utility model aims to provide a box curb plate under power battery, concrete scheme is as follows:

a power battery lower box body side plate comprises a flat side plate main body, wherein the side plate main body comprises an inner surface, an outer surface, a left side surface, a right side surface, an upper end surface and a lower end surface; a first assembling connecting bayonet is formed at the joint of the right side surface and the lower end surface, the first assembling connecting bayonet comprises a first table top and a first U-shaped opening, the bottom of the first U-shaped opening extends towards the upper end surface, one side edge of the first U-shaped opening is connected to the lower end surface, the other side edge of the first U-shaped opening is connected to one end of the first table top, the other end of the first table top is connected to the right side surface, and the first table top is positioned between the lower end surface and the upper end surface; the junction of left surface and lower terminal surface is formed with the second and assembles connection bayonet socket, connection bayonet socket is assembled to the second includes second mesa, third mesa, fourth mesa and second U type mouth, the bottom of second U type mouth to the up end extends, one side border of second U type mouth is connected to the one end of second mesa, the other end of second mesa is connected to the third mesa, the other end of third mesa is connected to terminal surface down, the opposite side border of second U type mouth is connected to the one end of fourth mesa, the other end of fourth mesa is connected to the left surface.

Furthermore, a plurality of lug plates are arranged on the outer surface, each lug plate is provided with a bolt hole, the lug plates are arranged in a straight line, and the lug plates are close to the lower end surface; each side wing plate is fixedly arranged on each of two sides of each ear plate, and each side wing plate is provided with a reinforcing bolt hole which vertically penetrates through the side wing plate.

Furthermore, the centers of the reinforcing bolt holes are on the same straight line.

Furthermore, the surface is provided with protruding muscle, and this protruding muscle is the bar, and is on a parallel with terminal surface down, it is a plurality of the otic placode set up in protruding muscle surface.

Further, the inner surface is covered with an inner layer separator made of metal.

Further, the inner separator extends to and covers the lower end surface.

Furthermore, the upper end edge of the side plate main body forms a bending section at an angle of 90 degrees towards the direction of the inner surface, and the inner-layer partition plate covers the inner wall of the bending section and extends out of the upper end surface.

Further, the inner surface is close to the left side face and the right side face and forms step surfaces through sinking, the step surfaces respectively extend into a straight line along the left side face and the right side face, and connecting strips are arranged along the step surfaces.

Furthermore, a space is formed between the surface of one side of the connecting strip, which is close to the side wall of the step surface, and the side wall of the step surface.

Has the advantages that:

power battery under the curb plate of box assemble connection bayonet socket through being provided with first and assemble connection bayonet socket and second and come to realize assembling and joint with the end plate, the connection effect is stable and firm, simultaneously, has avoided screwed connection, it is more convenient to operate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a side view of an outer surface according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the portion F in FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of the portion C of FIG. 1;

FIG. 5 is a schematic view of a side view of an inner layer spacer according to an embodiment of the present invention;

FIG. 6 is an enlarged view of the portion D in FIG. 5;

fig. 7 is an enlarged schematic view of a portion E in fig. 5.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

A power battery lower case side plate, as shown in figure 1, comprises a plate-shaped side plate main body 10, wherein the side plate main body 10 comprises an inner surface 11, an outer surface 12, a left side surface 13, a right side surface 14, an upper end surface 15 and a lower end surface 16. The side plate main body 10 serves as a shell of the battery lower box body, and is assembled with the end plates to form the integral battery lower box body in specific use.

As shown in fig. 4, a first block connecting bayonet 17 is formed at the junction of the right side surface 14 and the lower end surface 16. The first assembling connecting bayonet 17 is a bayonet structure used for assembling and connecting with an end plate. When specifically using, extend on the end plate and be provided with corresponding protruding structure of card, should block protruding structure and stretch into first connecting bayonet 17 of assembling in, and then realize the concatenation.

Specifically, structurally, the first assembly connecting bayonet 17 includes a first table 17a and a first U-shaped opening 17b. The bottom of the first U-shaped opening 17b extends toward the upper end surface 15, that is, the U-shaped bottom of the first U-shaped opening 17b in the shape of "U" extends toward the upper end surface 15. In specific use, the clamping convex structure on the end plate is tightly assembled towards the U-shaped bottom direction of the first U-shaped opening 17b.

One side edge of the first U-shaped opening 17b is connected to the lower end surface 16, the other side edge is connected to one end of the first table surface 17a, and the other end of the first table surface 17a is connected to the right side surface 14. As shown in fig. 4, the first land 17a is located between the lower end surface 16 and the upper end surface 15. In a specific use process, the first table surface 17a itself serves as an assembling surface, that is, when the clamping convex structure of the end plate is connected to the first U-shaped opening 17b, a part of the clamping convex structure itself is attached to the first table surface 17 a.

Referring to fig. 3, a second assembly connecting bayonet 18 is formed at the joint of the left side surface 13 and the lower end surface 16. The effect is with first U type mouth 17b, and in the in-process of specifically using, another protruding structure of card that forms on the end plate stretches into the second and assembles in connecting bayonet 18, realizes the assembly connection of end plate and curb plate, forms the lower box body wholly.

The second assembling connecting bayonet 18 comprises a second table surface 18a, a third table surface 18b, a fourth table surface 18c and a second U-shaped opening 18d. The bottom of the second U-shaped opening 18d extends towards the upper end surface 15, and the structural characteristics of the second U-shaped opening 18d are the same as those of the first U-shaped opening 17b, i.e. the U-shaped bottom of the second U-shaped opening 18d extends towards the upper end surface 15.

In a specific structure, one side edge of the second U-shaped opening 18d is connected to one end of the second table surface 18 a. The other end of the second mesa 18a is connected to the third mesa 18b. The other end of the third land 18b is connected to the lower end face 16. The other side edge of the second U-shaped mouth 18d is connected to one end of the fourth table 18c, the other end of the fourth table 18c being connected to the left side 13.

The junction of the second U-shaped mouth 18d and the second table 18a is formed as a curved surface for transition. The transition between the second 18a and third 18b mesas is also made by a curved surface. When the second assembling connecting bayonet 18 is used for assembling, the second table-board 18a and the third table-board 18b are also assembling surfaces, that is, when the second assembling connecting bayonet 18 is connected and assembled to the end plate, the second table-board 18a and the third table-board 18b are attached to the corresponding positions of the end plate. The joint of the second U-shaped opening 18d and the fourth table top 18c is transited by a curved surface.

As described above, the curved surface transition is formed at both ends of the second U-shaped opening 18d, and when the connector is used specifically, the curved surface structure is a relatively sharp bevel structure, which has the effects of avoiding interference and smoothing the assembling and connecting actions.

In order to enable the lower case to be detachably coupled to an external structure when the lower case is used in particular, and to be stable enough when coupled, in some preferred embodiments, a plurality of ear panels 20 are provided on the outer surface 12 of the side panel main body 10, as shown in fig. 1. A bolt hole 21 is provided on each ear plate 20 for providing a bolt by which the side plate body 10 is fixedly connected to an external structure. The plurality of ear plates 20 are used for arranging a plurality of bolts, thereby improving the stable effect of connection.

More specifically, the plurality of lugs 20 may be aligned such that the forces generated by the bolts through the lugs 20 are balanced and the lugs 20 are adjacent the lower end surface 16. In particular use, the lower end face 16 contacts an external structure to effect placement of the lower box. As shown in fig. 2, two side wing plates 22 are fixedly arranged on two sides of each of the ear plates 20, and each of the side wing plates 22 is provided with a reinforcing bolt hole 220 vertically penetrating through the side wing plate 22. The side wings 22 are again reinforced on both sides of the ear plate 20 to further improve stability. The centers of circles of all the reinforcing bolt holes 220 are on the same straight line, so that after the bolts are connected, the stability effect is further enhanced, and the appearance can be neat and attractive.

In order to avoid damage to the joint between the ear plate 20 and the side plate main body 10 due to excessive stress action of the bolt, the bolt may exert stress on the ear plate 20 during the process of tightening the bolt, and in some preferred embodiments, as shown in fig. 1, a rib 19 is provided on the outer surface 12 of the side plate main body 10, and the rib 19 is in a strip shape and is parallel to the lower end surface 16. The plurality of lugs 20 are disposed along the surface of the rib 19.

In order to ensure the structural strength of the side panel main body 10 and protect the side panel main body 10, in some preferred embodiments, as shown in fig. 5, the inner surface 11 is covered and provided with an inner partition 30 made of metal. Further, in order to enhance the protective effect of the inner-layer separator 30, the inner-layer separator 30 extends to cover the lower end face 16.

Further, in order to make the connection of the side plate main body 10 to the end plate more stable and firm in a specific use, as shown in fig. 6 and 7, the upper end edge of the side plate main body 10 is formed with a bent section 110 at 90 ° toward the inner surface 11. The connection to the end plate can be lifted by the bending section 110.

As shown in fig. 7, the inner layer diaphragm 30 covers the inner wall of the bending section 110 and extends out of the upper end surface 15, so that the bending section 110 is covered by the inner layer diaphragm 30 and the bending section 110 is protected.

In some preferred embodiments of the present invention, as shown in fig. 6, the inner surface 11 is formed with a step surface 11a by being recessed near the left side surface 13 and the right side surface 14, and the two step surfaces 11a extend linearly along the left side surface 13 and the right side surface 14, respectively, and are provided with a connecting strip 40 along the step surface 11 a. The connecting bar 40 is provided by forming the stepped surface 11a, and the connecting bar 40 is provided lower than the inner surface 11, so that the mounting of the connecting bar 40 is facilitated to avoid interference.

In some embodiments of the present invention, the connecting strip 40 is close to a side surface of the side wall of the step surface 11a and forms a space a with the side wall of the step surface 11 a. This interval A forms the space of stepping down, is convenient for with the connection and the space when end plate assembly step down.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a box curb plate under power battery which characterized in that: the side plate comprises a flat side plate main body (10), wherein the side plate main body (10) comprises an inner surface (11), an outer surface (12), a left side surface (13), a right side surface (14), an upper end surface (15) and a lower end surface (16);

a first assembling connecting bayonet (17) is formed at the joint of the right side surface (14) and the lower end surface (16), the first assembling connecting bayonet (17) comprises a first table surface (17 a) and a first U-shaped opening (17 b), the bottom of the first U-shaped opening (17 b) extends towards the upper end surface (15), one side edge of the first U-shaped opening (17 b) is connected to the lower end surface (16), the other side edge of the first U-shaped opening is connected to one end of the first table surface (17 a), the other end of the first table surface (17 a) is connected to the right side surface (14), and the first table surface (17 a) is located between the lower end surface (16) and the upper end surface (15);

the junction of the left side face (13) and the lower end face (16) is formed with a second splicing connection bayonet (18), the second splicing connection bayonet (18) comprises a second table top (18 a), a third table top (18 b), a fourth table top (18 c) and a second U-shaped opening (18 d), the bottom of the second U-shaped opening (18 d) extends towards the upper end face (15), one side edge of the second U-shaped opening (18 d) is connected to one end of the second table top (18 a), the other end of the second table top (18 a) is connected to the third table top (18 b), the other end of the third table top (18 b) is connected to the lower end face (16), the other side edge of the second U-shaped opening (18 d) is connected to one end of a fourth table top (18 c), and the other end of the fourth table top (18 c) is connected to the left side face (13).

2. The power battery lower case side plate of claim 1, wherein: the outer surface (12) is provided with a plurality of lug plates (20), each lug plate (20) is provided with a bolt hole (21), the lug plates (20) are arranged in a straight line, and the lug plates (20) are close to the lower end surface (16); each side wing plate is fixedly arranged on each of two sides of each lug plate, and each side wing plate is provided with a reinforcing bolt hole which vertically penetrates through the side wing plate.

3. The power battery lower case side plate according to claim 2, characterized in that: the circle centers of all the reinforcing bolt holes are positioned on the same straight line.

4. The power battery lower case side plate of claim 2, wherein: the outer surface (12) is provided with a convex rib (19), the convex rib (19) is in a strip shape and parallel to the lower end face (16), and the ear plates (20) are arranged on the surface of the convex rib (19).

5. The power battery lower case side plate of claim 4, wherein: the inner surface (11) is covered with an inner layer clapboard (30) made of metal.

6. The power battery lower case side plate of claim 5, wherein: the inner layer separator (30) extends to and covers the lower end face (16).

7. The power battery lower case side plate according to claim 6, wherein: the upper end edge of the side plate main body (10) forms a bending section (110) in a direction towards the inner surface (11) by 90 degrees, and the inner-layer partition plate (30) covers the inner wall of the bending section (110) and extends out of the upper end surface (15).

8. The power battery lower case side plate of claim 5, wherein: interior surface (11) are close to left surface (13) and right flank (14) department all forms step face (11 a) through sunken, two step face (11 a) are followed respectively left surface (13) and right flank (14) extend into the straight line, and follow step face (11 a) are provided with connecting strip (40).

9. The power battery lower case side plate of claim 8, wherein: and a space is formed between one side surface of the connecting strip (40) close to the side wall of the step surface (11 a) and the side wall of the step surface (11 a).