CN217334298U

CN217334298U - Battery pack box and battery pack

Info

Publication number: CN217334298U
Application number: CN202221099081.1U
Authority: CN
Inventors: 谢刚; 程振醒; 邓江南; 桂昊; 金佺良; 於洪将
Original assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-30
Anticipated expiration: 2032-05-09

Abstract

An embodiment of the utility model provides a battery package box and battery package relates to power battery technical field. The battery pack box body and the battery pack comprise a box body and a bottom protection plate; an opening is formed in the bottom of the box body; end backplate and box body sliding fit, end backplate are used for sealing under open state with this body coupling of box, this assembly flow of backplate and box body at the end has been simplified, has promoted the efficiency of assembly.

Description

Battery pack box and battery pack

Technical Field

The utility model relates to a power battery technical field particularly, relates to a battery package box and battery package.

Background

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles, golf carts and the like.

In the scheme of backplate installation at the bottom of the power battery box, the backplate is fastened on the box at the bottom to conventional adoption bolt or FDS (rotatory tapping riveting), and because the backplate is great, the bolt point position that needs the fastening all around is more, and this is undoubtedly so that the efficiency of production assembly is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery package box, for example, it can promote the efficiency of end backplate production assembly.

The utility model discloses an aim still includes, provides a battery package, and it can promote the efficiency of end backplate production assembly.

The embodiment of the utility model discloses a can realize like this:

the embodiment of the utility model provides a battery pack box body, which comprises a box body and a bottom guard plate;

an opening is formed in the bottom of the box body;

the bottom guard plate is in sliding fit with the box body and is used for being sealed in the open state and connected with the box body.

Optionally, the box body comprises two opposite side plates, sliding grooves are formed in the opposite side walls of the two side plates, and two sides of the bottom protection plate are in sliding fit with the sliding grooves in the two side plates respectively.

Optionally, the box body further comprises a first end plate, and two ends of the first end plate are respectively connected with the two side plates; the spout has relative interior roof, interior diapire and connect in interior roof with inside wall between the interior diapire, interior roof with first end plate is close to form the installing port between the face of interior roof, the backplate warp the installing port slides in the spout.

Optionally, a guide surface is arranged at the mounting opening, and the guide surface is connected with the inner side wall and used for guiding the bottom guard plate so that the bottom guard plate slides into the sliding groove.

Optionally, the spigot surface with correspond the inside wall is the contained angle setting, two the spigot surface is kept away from distance between the one end of inside wall is greater than two distance between the inside wall.

Optionally, the bottom protection plate is connected with the first end plate through a connecting piece, wherein the first end plate is close to the inner top wall.

Optionally, the box body further comprises a second end plate, two ends of the second end plate are respectively connected with the two side plates, and the bottom protection plate slides relative to the sliding groove until the bottom protection plate abuts against the second end plate to close the opening.

Optionally, a positioning groove is formed in the second end plate and communicated with the sliding groove, and the positioning groove is used for being matched with the bottom protection plate in a clamping mode. Optionally, the bottom guard plate comprises a bottom guard plate body and a flange connecting portion, the flange connecting portion is arranged in the circumferential direction of the bottom guard plate body, and the flange connecting portion is in sliding fit with the sliding groove.

The embodiment of the utility model provides a battery package is still provided, include the battery package box.

The utility model discloses beneficial effect of battery package box and battery package includes, for example: when assembling the end guard plate, the end guard plate slides into the sliding groove, and the end guard plate is connected with the box body in an open closed state, so that the assembly flow of the end guard plate and the box body is simplified, and the assembly efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a battery pack case in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a case body in an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a chute according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a bottom guard plate in an embodiment of the present application.

Icon: 10-battery pack case; 100-a box body; 110-open mouth; 120-a chute; 121-inner roof wall; 122-inner bottom wall; 123-inner side wall; 130-side plate; 131-a first connection end; 132-a second connection end; 140-a first end plate; 150-a mounting port; 151-a guide surface; 160-a second end plate; 161-positioning groove; 200-bottom guard board; 210-bottom guard plate body; 220-flange connection; 300-connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

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

The inventor of the application finds that bolts or FDS are conventionally adopted to fasten the bottom guard plate on the box body, and because the bottom guard plate is large, the number of bolt points needing to be fastened on the periphery is large, so that the efficiency of production and assembly is lower undoubtedly. The embodiment provides a battery pack box body for solving the technical problem.

Referring to fig. 1 to 3, a battery pack case 10 according to the present embodiment includes a case body 100 and a bottom plate 200; an opening 110 is formed at the bottom of the box body 100; the bottom guard plate 200 is in sliding fit with the box body 100, and the bottom guard plate 200 is used for being connected with the box body 100 in a state of closing the opening 110.

In this embodiment, the box body 100 is a rectangular frame, and the top of the box body 100 is open for installing a top plate; the opening 110 is arranged at the bottom of the box body 100; the box body 100 is provided with a sliding groove 120 at the inner side of the opening 110, the length direction of the sliding groove 120 is consistent with that of the box body 100, the bottom guard plate 200 is in sliding fit with the sliding groove 120, and the bottom guard plate 200 is connected with the box body 100 when sliding to close the opening 110. In other embodiments, the sliding slot 120 may also be disposed on the bottom protection plate 200, and it is within the scope of the present application as long as the sliding fit between the box body 100 and the bottom protection plate 200 can be achieved.

When the bottom guard plate 200 is assembled, the bottom guard plate 200 slides into the sliding groove 120, and when the bottom guard plate 200 closes the opening 110, the bottom guard plate 200 is connected with the box body 100, so that the assembly process of the bottom guard plate 200 and the box body 100 is simplified, and the assembly efficiency is improved.

Further, the box body 100 includes two opposite side plates 130, the opposite side walls of the two side plates 130 are provided with sliding grooves 120, and two sides of the bottom protection plate 200 are respectively in sliding fit with the sliding grooves 120 on the two side plates 130.

The two sides of the bottom guard plate 200 are respectively in sliding fit with the sliding grooves 120 on the two side plates 130, so that the stability of the bottom guard plate 200 in the sliding process can be improved.

In addition, the box body 100 further includes a first end plate 140, and two ends of the first end plate 140 are respectively connected with the two side plates 130; referring to fig. 4, the chute 120 has opposite inner top walls 121, an inner bottom wall 122 and an inner side wall 123 connected between the inner top walls 121 and the inner bottom wall 122, a mounting opening 150 is formed between the inner top wall 121 and the first end plate 140 near the inner top wall 121, and the bottom guard plate 200 slides into the chute 120 through the mounting opening 150.

In this embodiment, the inner side walls 123 on the two side plates 130 are disposed oppositely, the surface of the first end plate 140 close to the inner top wall 121 is lower than the inner top wall 121, the mounting opening 150 is formed between the surface of the inner top wall 121 and the surface of the first end plate 140 close to the inner top wall 121, and the bottom protection plate 200 and the sliding groove 120 are more conveniently in sliding fit with each other through the mounting opening 150.

Further, a guide surface 151 is disposed at the mounting opening 150, and the guide surface 151 is connected to the inner sidewall 123 and is used for guiding the bottom guard plate 200 so that the bottom guard plate 200 slides into the sliding groove 120.

In this embodiment, two chutes 120 are located mounting hole 150 and all are provided with guiding surface 151, and guiding surface 151 and the inside wall 123 that corresponds are the contained angle setting, and the distance between the one end that inside wall 123 was kept away from to two guiding surfaces 151 is greater than the distance between two inside walls 123.

In the process that the bottom guard plate 200 slides into the sliding groove 120, the guide surfaces 151 on both sides can guide the bottom guard plate 200, so that the sliding fit between the bottom guard plate 200 and the sliding groove 120 is facilitated.

In addition, the battery pack case 10 further includes a connecting member 300, and the bottom guard plate 200 is connected to the first end plate 140 near the inner top wall 121 through the connecting member 300.

For example, the connector 300 may be a bolt; under the state that backplate 200 slided in spout 120 and closed uncovered 110, be connected backplate 200 and the face that first end plate 140 is close to interior roof 121 through the bolt to be connected backplate 200 and first end plate 140, make backplate 200 and box body 100 fixed mutually.

In other embodiments, the connection between the bottom guard plate 200 and the first end plate 140 may also be by a snap connection or an adhesive.

In addition, the box body 100 further includes a second end plate 160, two ends of the second end plate 160 are respectively connected to the two side plates 130, and the bottom protection plate 200 slides relative to the sliding groove 120 until the bottom protection plate abuts against the second end plate 160 to close the opening 110.

In this embodiment, the second end plate 160 is disposed opposite to the first end plate 140, the two ends of the side plate 130 are respectively a first connecting end 131 and a second connecting end 132, the two first connecting ends 131 of the two side plates 130 are flush with each other, the two second connecting ends 132 of the two side plates 130 are flush with each other, the first end plate 140 is connected between the two first connecting ends 131, and the second end plate 160 is connected between the two second connecting ends 132.

Under the condition that the bottom guard plate 200 slides into the sliding groove 120 and abuts against the second end plate 160, the bottom guard plate 200 closes the opening 110, the second end plate 160 plays a role in positioning the bottom guard plate 200, and at this time, the bottom guard plate 200 is connected with the first end plate 140 through bolts.

Alternatively, the case body 100 is formed by welding the two side plates 130 to the first end plate 140 and the second end plate 160, so that the connection strength between the two side plates 130 and the first end plate 140 and the second end plate 160 can be improved.

Further, a positioning groove 161 is formed in the second end plate 160, the positioning groove 161 is communicated with the sliding groove 120, and the positioning groove 161 is used for being in clamping fit with the bottom protection plate 200.

In this embodiment, the locating slot 161 is arranged on the surface of the second end plate 160 facing the first end plate 140, the length direction of the locating slot 161 is perpendicular to the length direction of the sliding slot 120, and when the bottom protection plate 200 slides into the sliding slot 120 and the second end plate 160, the bottom protection plate 200 is clamped in the locating slot 161, so that the bottom protection plate 200 is limited and fixed, and the locating precision of the bottom protection plate 200 is further improved.

Further, referring to fig. 5, the bottom guard plate 200 includes a bottom guard plate body 210 and a flange connection portion 220, the flange connection portion 220 is disposed on a circumference of the bottom guard plate body 210, and the flange connection portion 220 is in sliding fit with the sliding groove 120.

In this embodiment, in a state where the bottom protection plate 200 slides into the sliding groove 120 and closes the opening 110, the flange connection portion 220 is connected to the first end plate 140 near the inner top wall 121 through the bolt, so that the bottom protection plate 200 is connected to the first end plate 140, and the bottom protection plate 200 is fixed to the box body 100.

Through set up flange joint 220 in backplate body 210's circumference, flange joint 220 can be with spout 120 sliding fit's while with constant head tank 161 looks joint.

The present embodiment further provides a battery pack, including the battery pack case 10, and the technical effect of the battery pack is substantially the same as that of the battery pack case 10, which is not described herein again.

To sum up, the embodiment of the utility model provides a battery package box 10 and battery package, when assembling between backplate 200 and box body 100 at the end, with the flange connection portion 220 of backplate 200 slide in spout 120 through installing port 150 through spigot 151, flange connection portion 220 and the constant head tank 161 looks joint of backplate 200 at the end until, be connected flange connection portion 220 and the face that first terminal plate 140 is close to interior roof 121 through the bolt again this moment, thereby with backplate 200 and box body 100 relatively fixed at the end, the assembly flow has been simplified, the assembly efficiency has been promoted.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A battery pack box is characterized by comprising a box body and a bottom guard plate;

an opening is formed in the bottom of the box body;

the bottom guard plate is in sliding fit with the box body and is used for being connected with the box body in a state of closing the opening.

2. The battery pack box body according to claim 1, wherein the box body comprises two oppositely arranged side plates, sliding grooves are formed in opposite side walls of the two side plates, and two sides of the bottom protection plate are respectively in sliding fit with the sliding grooves in the two side plates.

3. The battery pack case according to claim 2, wherein the case body further comprises a first end plate, both ends of which are connected to the two side plates, respectively; the spout has relative interior roof, interior diapire and connect in interior roof with inside wall between the interior diapire, interior roof with first end plate is close to form the installing port between the face of interior roof, the backplate warp the installing port slides in the spout.

4. The battery pack box of claim 3, wherein a guide surface is arranged at the mounting opening, and the guide surface is connected with the inner side wall and used for guiding the bottom protection plate so that the bottom protection plate slides into the sliding groove.

5. The battery pack box of claim 4, wherein the guide surfaces are arranged at an included angle with the corresponding inner side walls, and the distance between the ends, far away from the inner side walls, of the two guide surfaces is greater than the distance between the two inner side walls.

6. The battery pack case according to claim 3, further comprising a connecting member, wherein the bottom protective plate is connected to the first end plate at a position close to the inner top wall through the connecting member.

7. The battery pack box of claim 2, wherein the box body further comprises a second end plate, two ends of the second end plate are respectively connected with the two side plates, and the bottom protection plate slides relative to the sliding groove until the bottom protection plate abuts against the second end plate to close the opening.

8. The battery pack box of claim 7, wherein the second end plate is provided with a positioning groove, the positioning groove is communicated with the sliding groove, and the positioning groove is used for being matched with the bottom protection plate in a clamping manner.

9. The battery pack box of claim 2, wherein the bottom guard plate comprises a bottom guard plate body and a flange connecting part, the flange connecting part is arranged on the periphery of the bottom guard plate body, and the flange connecting part is in sliding fit with the sliding groove.

10. A battery pack comprising the battery pack case according to any one of claims 1 to 9.