Integrated inner bracket of battery box
By designing an integrated inner bracket of the battery box and using clamped connections instead of welding, the damage problem of welding connections to the battery is solved, and safety performance and production efficiency are improved.
Patent Information
- Application Number
- CN202421083810.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-05-17
AI Technical Summary
In existing battery systems, the brackets are connected by welding, which can easily cause damage to the battery, resulting in problems such as air and liquid leakage in the battery.
A battery box integrated inner bracket is designed, and a combined structure of bracket frame, beam, mounting frame, slot and connection projection is used to replace welding connections to avoid welding processes and possible damage.
Through the clamping connection, the damage to the battery is avoided by welding, the safety performance is improved, the production cost is reduced, and the production process is simplified.
Smart Images
Figure CN222514987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a battery box technology, in particular to an integrated inner bracket of a battery box. Background Art
[0002] New energy vehicles are developing rapidly, and their market share is increasing. As an important component of new energy vehicles, the cost of the battery system directly affects the cost of the entire vehicle.
[0003] Current battery systems all include a battery box for placing battery cells. A bracket for carrying the battery cells is provided in the battery box. The bracket is mostly connected by welding. Since the bracket is directly supported on the bottom of the battery power source, welding slag or rough welds may be formed on the crossbeams, mounting frames and other positions of the bracket, which may easily damage the battery during use and cause problems such as gas and liquid leakage. Utility Model Content
[0004] The purpose of the utility model is to provide an integrated inner bracket of a battery box to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An integrated inner bracket of a battery box comprises a bracket frame, the bracket frame is a rectangular structure, at least one crossbeam is connected in the middle of the bracket frame, and a bottom plate is fixedly connected to one side of the bracket frame;
[0007] At least one mounting bracket is connected between the crossbeam and one side beam of the support frame, and the middle parts of both ends of the mounting bracket extend outward to form connecting protrusions. The crossbeam connected to the mounting bracket and the corresponding positions of the support frame are provided with card grooves that cooperate with the connecting protrusions. The two sides of the mounting bracket are turned down to form a bend, and the mounting bracket is provided with mounting holes.
[0008] As a further solution of the utility model: the support frame includes a right beam, a rear beam, a left beam, and a front beam which are fixedly connected in sequence.
[0009] As a further solution of the utility model: the cross beams are provided with two and are respectively a first cross beam and a second cross beam, the first cross beam is located in the middle of the right beam and the left beam, and the second cross beam is located close to the front beam.
[0010] As a further solution of the utility model: the mounting frame is located between the second cross beam and the front side beam.
[0011] As a further solution of the utility model: the mounting frame includes a first mounting bracket for mounting the BMS and a second mounting bracket for mounting the BDU, and the first mounting bracket and the second mounting bracket are respectively located at the two end portions of the front side beam.
[0012] As a further solution of the utility model: first connecting protrusions are provided at both ends of the first mounting bracket, first card slots are provided on the second cross beam and the front side beam, the first connecting protrusion is carded in the first card slot, and both sides of the first mounting bracket are flipped downward to form a first bend.
[0013] As a further solution of the utility model: second connecting protrusions are provided at both ends of the second mounting bracket, second card slots are provided on the second cross beam and the front side beam, the second connecting protrusions are card-connected in the second card slots, and both sides of the second mounting bracket are flipped downward to form a second bend.
[0014] As a further solution of the utility model: the bottom plate is provided with reinforcing ribs, and the reinforcing ribs are formed by stamping.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the crossbeam in the middle of the support frame and the mounting frame of the present invention are connected by means of slots and connecting protrusions, thereby avoiding welding connections, reducing welding procedures, avoiding possible damage to the battery power supply caused by welding, and improving safety performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of this embodiment;
[0017] Figure 2 This is an exploded schematic diagram of this embodiment;
[0018] Figure 3 This is a schematic diagram of the crossbeam structure of this embodiment;
[0019] Figure 4 This is a schematic diagram of the structure of the first mounting bracket of this embodiment;
[0020] Figure 5 This is a structural schematic diagram of the second mounting bracket of this embodiment;
[0021] Figure 6 This is a schematic diagram of the connection structure between the mounting bracket and the crossbeam in this embodiment;
[0022] In the figure: 1-right beam, 2-rear beam, 3-left beam, 4-front beam, 5-first cross beam, 6-second cross beam, 7-first mounting bracket, 8-second mounting bracket, 9-bottom plate, 10-first slot, 11-second slot, 12-first connecting protrusion, 13-first bend, 14-second connecting protrusion, 15-second bend, 16-reinforcement rib. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-6 In the embodiment of the utility model, a battery box integrated inner bracket includes a bracket frame, the bracket frame is a rectangular structure, and at least one crossbeam is connected in the middle of the bracket frame. In this embodiment, the bracket frame includes a right side beam 1, a rear side beam 2, a left side beam 3, and a front side beam 4 that are fixedly connected in sequence. There are two crossbeams, which are respectively a first crossbeam 5 and a second crossbeam 6. The first crossbeam 5 is located in the middle of the right side beam 1 and the left side beam 3, and the second crossbeam 6 is located near the front side beam 4. A bottom plate 9 is fixedly connected to one side of the bracket frame, and a reinforcing rib 16 is provided on the bottom plate 9, and the reinforcing rib 16 is formed by stamping.
[0025] At least one mounting bracket is connected between the crossbeam and one side beam of the bracket frame, and the middle parts of both ends of the mounting bracket extend outward to form connecting protrusions. The corresponding positions of the crossbeam connected to the mounting bracket and the bracket frame are provided with card slots that match the connecting protrusions. By connecting the connecting protrusions and the card slots, welding is abandoned, the production cost is reduced, and the residual welding protrusions after welding are avoided from causing damage to the battery equipment. The two sides of the mounting bracket are turned down to form a bend, and the overall cavity of the mounting bracket is increased by bending. The mounting bracket is provided with mounting holes. In this embodiment, the mounting bracket is located between the second crossbeam 6 and the front side beam 4, and the mounting bracket includes a first mounting bracket for installing the BMS. Bracket 7, a second mounting bracket 8 for mounting the BDU, the first mounting bracket 7 and the second mounting bracket 8 are respectively located at the two end portions of the front side beam 4, first connecting protrusions 12 are provided at both ends of the first mounting bracket 7, the second cross beam 6 and the front side beam 4 are provided with a first card slot 10, the first connecting protrusion 12 is snapped into the first card slot 10, both sides of the first mounting bracket 7 are turned downward to form a first bend 13, second connecting protrusions 14 are provided at both ends of the second mounting bracket 8, the second cross beam 6 and the front side beam 4 are provided with a second card slot 11, the second connecting protrusion 14 is snapped into the second card slot 11, and both sides of the second mounting bracket 8 are turned downward to form a second bend 15.
[0026] When the present embodiment is in use, the right side beam 1, the rear side beam 2, the left side beam 3, the front side beam 4, the first cross beam 5, the second cross beam 6, the first mounting bracket 7, and the second mounting bracket 8 are assembled and spliced, and then the bottom plate is fixed from the back to form the product of the present application. In the present embodiment, the right side beam 1, the rear side beam 2, the left side beam 3, and the front side beam 4 can be fixedly connected by external welding or bolts, the internal first mounting bracket 7 and the second mounting bracket 8 are connected by a card slot, and the back plate is connected by card connection or bolts, and welding connection is avoided as much as possible. After the connection is completed, it can be placed in the battery box for use. Since the welding connection is avoided inside the bracket of the present application, no welding slag or welding protrusions will be generated, and no damage will be caused to the placed battery. At the same time, the connection process is simple, which improves production efficiency.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A battery box integrated inner bracket, comprising a bracket frame, characterized in that: The support frame is a rectangular structure, at least one crossbeam is connected in the middle of the support frame, and a bottom plate (9) is fixedly connected to one side of the support frame; At least one mounting bracket is connected between the crossbeam and one side beam of the support frame, and the middle parts of both ends of the mounting bracket extend outward to form connecting protrusions. The crossbeam connected to the mounting bracket and the corresponding positions of the support frame are provided with card grooves that cooperate with the connecting protrusions. The two sides of the mounting bracket are turned down to form a bend, and the mounting bracket is provided with mounting holes.
2. The battery box integrated inner bracket according to claim 1, characterized in that: The support frame comprises a right side beam (1), a rear side beam (2), a left side beam (3) and a front side beam (4) which are fixedly connected in sequence.
3. The battery box integrated inner bracket according to claim 2, characterized in that: The cross beams are provided with two, namely a first cross beam (5) and a second cross beam (6); the first cross beam (5) is located in the middle of the right side beam (1) and the left side beam (3); and the second cross beam (6) is located near the front side beam (4).
4. The battery box integrated inner bracket according to claim 3, characterized in that: The mounting frame is located between the second cross beam (6) and the front side beam (4).
5. The battery box integrated inner bracket according to claim 4, characterized in that: The mounting frame comprises a first mounting bracket (7) for mounting the BMS and a second mounting bracket (8) for mounting the BDU. The first mounting bracket (7) and the second mounting bracket (8) are respectively located at the two end portions of the front side beam (4).
6. The battery box integrated inner bracket according to claim 5, characterized in that: The first mounting bracket (7) is provided with first connecting protrusions (12) at both ends, the second cross beam (6) and the front side beam (4) are provided with first clamping grooves (10), the first connecting protrusions (12) are clamped in the first clamping grooves (10), and the two sides of the first mounting bracket (7) are turned downward to form a first bend (13).
7. The battery box integrated inner bracket according to claim 5, characterized in that: The second mounting bracket (8) is provided with second connecting protrusions (14) at both ends, the second cross beam (6) and the front side beam (4) are provided with second clamping grooves (11), the second connecting protrusions (14) are clamped in the second clamping grooves (11), and the two sides of the second mounting bracket (8) are turned downward to form a second bend (15).
8. The battery box integrated inner bracket according to claim 1, characterized in that: The bottom plate (9) is provided with reinforcing ribs (16), and the reinforcing ribs (16) are formed by stamping.