Limiting seat
By having the limiting body of the limiting seat abut against the copper busbar, the problem of inaccurate position of the copper busbar during battery assembly is solved, achieving higher assembly accuracy and improved product performance.
Patent Information
- Application Number
- CN202521975938.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2035-09-15
AI Technical Summary
During the battery assembly process, the copper busbar rotates relative to the battery cell due to the force of the bolts, resulting in inaccurate positioning, affecting the contact area and product performance.
A limiting seat is designed, which is clamped on the carrier through a slot, and uses a limiting body to abut the copper busbar to prevent the copper busbar from rotating during the locking process, thereby improving assembly accuracy.
It effectively prevents the copper busbar from rotating relative to the battery cell, improves the assembly accuracy of the copper busbar and battery cell, ensures that the contact area meets the design requirements, and improves product performance.
Smart Images
Figure CN223487086U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of battery assembly technology, specifically to a limiting seat. Background Technology
[0002] In battery packs, copper busbars are typically used as current-carrying components for battery cells. When fixing the copper busbars and battery cells, bolts are usually used for fixation. However, during the rotation of the bolts, the copper busbars will also rotate relative to the battery cells due to the force of the bolts, resulting in inaccurate positioning of the copper busbars. Consequently, the contact area of the copper busbars does not meet the design requirements, which will affect the subsequent product performance. Utility Model Content
[0003] In view of the above, it is necessary to provide a limiting seat to improve the assembly accuracy of copper busbars and battery cells.
[0004] This application provides a limiting seat for limiting the copper busbar during the assembly of a battery module and a copper busbar. The battery module includes a carrier and a battery cell disposed on the carrier. The copper busbar is connected to the battery cell via a locking member. The limiting seat includes:
[0005] The main body has a slot, and the main body is held in place by the carrier through the slot;
[0006] A limiting body is connected to the main body and located on the same side of the main body as the slot, wherein when the main body is positioned on the support member, the limiting body abuts against the copper busbar.
[0007] In some embodiments, the carrier has a receiving groove for accommodating the battery cell, and the main body includes:
[0008] The fixing part has a fixed surface and a movable surface that are coplanar and connected. The fixing part is disposed on the adjacent two side walls of the receiving groove through the fixed surface and the movable surface. The limiting body is connected to the fixed surface.
[0009] The first holding part is connected to the fixed surface;
[0010] The second holding part is connected to the fixed surface and located between the first holding part and the limiting body. The first holding part, the second holding part, and the fixed surface surround to form the card slot, and the card slot communicates with the movable surface.
[0011] In some embodiments, the fixing part, the first holding part, and the second holding part are an integral structure.
[0012] In some embodiments, the limiting seat further includes:
[0013] A stop body is connected to the movable surface and located on the side of the second holding portion away from the limiting body. The height of the limiting body relative to the main body is greater than the depth of the slot and less than the height of the stop body relative to the movable surface.
[0014] In some embodiments, the fixed portion has a fixed chamfer at one end away from the stop body, and the fixed chamfer and the limiting body are located at opposite ends of the fixed portion.
[0015] In some embodiments, the first retaining portion has a guide chamfer at one end near the stop body, and the guide chamfer is located on the side of the first retaining portion facing the card slot.
[0016] In some embodiments, the limiting seat further includes:
[0017] A reinforcing body is disposed on the fixed surface and connected to the limiting body and the second holding part respectively.
[0018] In some embodiments, the reinforcing body and the limiting body are an integral structure.
[0019] In some embodiments, the reinforcing body has a reinforcing chamfer on the side facing the movable surface, and the reinforcing chamfer is located at the end of the reinforcing body near the first holding part.
[0020] In some embodiments, the height of the first holding portion relative to the fixed surface is less than the height of the second holding portion relative to the fixed surface.
[0021] When using the aforementioned limiting seat, the battery unit is first placed on the carrier, and the copper busbar is placed on the output terminal of the battery unit. Then, the main body of the limiting seat is held in place by the slot on the carrier. At this time, the limiting body of the limiting seat abuts against the copper busbar. Finally, the locking member is rotated so that it passes through the output terminal of the battery unit and the copper busbar, thereby fixing the copper busbar and the battery unit. Therefore, by abutting against the copper busbar, the aforementioned limiting seat can prevent the copper busbar from rotating relative to the battery unit when the locking member locks the copper busbar and the battery unit, thus improving the assembly accuracy of the copper busbar and the battery unit. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of the limiting seat in an embodiment of this application.
[0023] Figure 2 A schematic diagram of the battery module, copper busbar, and locking component adapted to the embodiments of this application.
[0024] Figure 3 for Figure 1 A schematic diagram of another angle of the limiting seat shown.
[0025] Explanation of main component symbols: Limiting seat 100, main body 110, slot 110a, fixing part 111, fixing surface 111a, movable surface 111b, fixing chamfer 111c, first holding part 112, guide chamfer 112a, second holding part 113, limiting body 120, stop body 130, reinforcing body 140, reinforcing chamfer 140a, battery module 200, carrier 210, battery unit 220, copper busbar 300, locking part 400. Detailed Implementation
[0026] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.
[0027] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that allows communication between the two; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction between two elements. In the description of this application, it should be noted that "multiple" means two or more, unless otherwise expressly and specifically limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0028] The embodiments of this application will be described in detail below with reference to the accompanying drawings.
[0029] Please see Figure 1 and Figure 2 This application provides a limiting seat 100 for limiting the copper busbar 300 during the assembly of the battery module 200 and the copper busbar 300. The battery module 200 includes a support member 210 and battery cells 220 disposed on the support member 210. The copper busbar 300 is connected to the battery cells 220 via a locking member 400. The battery cells 220 are connected to the copper busbar 300 via an output terminal with an insulating structure. Exemplarily, the locking member 400 is a bolt.
[0030] Please see Figure 1 In some embodiments, the limiting seat 100 includes a main body 110 and a limiting body 120. The main body 110 has a slot 110a, through which the main body 110 is held in place by the carrier 210. The limiting body 120 is connected to the main body 110 and is located on the same side of the main body 110 as the slot 110a. When the main body 110 is placed on the carrier 210, the limiting body 120 abuts against the copper busbar 300.
[0031] It should be noted that the contact surface between the copper busbar 300 and the output terminal of the battery unit 220 is the mounting surface, and the abutting structure between the copper busbar 300 and the limiting body 120 is a surface structure. For example, the copper busbar 300 has a square structure, and the limiting body 120 has a cuboid structure. The limiting body 120 abuts against the copper busbar 300 and can limit the copper busbar 300 on the plane where the mounting surface is located, preventing the copper busbar 300 from rotating with the rotation of the locking member 400.
[0032] When using the aforementioned limiting seat 100, the battery unit 220 is first placed on the carrier 210, and the copper busbar 300 is placed on the output terminal of the battery unit 220. Then, the main body 110 of the limiting seat 100 is held in place by the carrier 210 through the slot 110a. At this time, the limiting body 120 of the limiting seat 100 abuts against the copper busbar 300. Finally, the locking member 400 is rotated so that the locking member 400 passes through the output terminal of the battery unit 220 and the copper busbar 300, thereby fixing the copper busbar 300 and the battery unit 220.
[0033] Therefore, by abutting against the copper busbar 300, the aforementioned limiting seat 100 can prevent the copper busbar 300 from rotating relative to the battery unit 220 when the locking member 400 locks the copper busbar 300 and the battery unit 220, thereby improving the assembly accuracy of the copper busbar 300 and the battery unit 220.
[0034] Please see Figure 1 and Figure 2 In some embodiments, the carrier 210 has a receiving groove 210a for accommodating the battery unit 220, and the main body 110 includes a fixing part 111, a first holding part 112, and a second holding part 113. The fixing part 111 has a coplanar and connected fixing surface 111a and a movable surface 111b. The fixing part 111 is disposed on adjacent side walls of the receiving groove 210a through the fixing surface 111a and the movable surface 111b. The limiting body 120 is connected to the fixing surface 111a. The first holding part 112 is connected to the fixing surface 111a. The second holding part 113 is connected to the fixing surface 111a and located between the first holding part 112 and the limiting body 120. The first holding part 112, the second holding part 113, and the fixing surface 111a surround to form a slot 110a, which communicates with the movable surface 111b.
[0035] For example, the adjacent side walls of the receiving groove 210a are perpendicular, the first holding part 112 and the second holding part 113 are arranged in parallel, and the movable surface 111b is perpendicular to the bottom wall of the groove 110a.
[0036] During operation, the slot 110a is held in place on one side wall of the receiving groove 210a, and the movable surface 111b is located on the other side wall of the receiving groove 210a. The slot 110a is connected to the movable surface 111b, so that the fixed surface 111a can move relative to one side wall of the receiving groove 210a, and the movable surface 111b can move relative to the other side wall of the receiving groove 210a. This allows the position of the limiting seat 100 relative to the bearing member 210 to be adjusted, which is beneficial to increasing the size range of the copper busbar 300 applicable to the limiting body 120 of the limiting seat 100.
[0037] In some embodiments, the fixing part 111, the first holding part 112, and the second holding part 113 are an integral structure.
[0038] Therefore, the integrated fixing part 111, the first holding part 112 and the second holding part 113 can simplify the processing difficulty of the main body 110 and help reduce the manufacturing cost of the main body 110.
[0039] Please see Figure 1 and Figure 3 In some embodiments, the limiting seat 100 further includes a stop 130. The stop 130 is connected to the movable surface 111b and is located on the side of the second holding portion 113 opposite to the limiting body 120. The height a of the limiting body 120 relative to the main body 110 is greater than the depth h of the slot 110a and less than the height b of the stop 130 relative to the movable surface 111b.
[0040] Therefore, through the above-mentioned arrangement, the stop body 130 can limit the main body 110 in the vertical direction of the extension direction of the slot 110a, thereby preventing the main body 110 from detaching from the support member 210.
[0041] It should be noted that the depth h of the card slot 110a is the minimum distance between the first holding part 112 and the second holding part 113 relative to the fixed surface 111a.
[0042] Please see Figure 1 In some embodiments, the end of the fixing part 111 away from the stop body 130 is provided with a fixing chamfer 111c, and the fixing chamfer 111c and the limiting body 120 are located at opposite ends of the fixing part 111.
[0043] Therefore, by fixing the chamfer 111c, the collision between the limit seat 100 and the carrier 210 can be reduced when the limit seat 100 is placed on the carrier 210, which is beneficial to improving the service life of the limit seat 100.
[0044] Please see Figure 1 In some embodiments, the first holding part 112 is provided with a guide chamfer 112a at one end near the stop body 130, and the guide chamfer 112a is provided on the side of the first holding part 112 facing the card slot 110a.
[0045] Therefore, by guiding the chamfer 112a, the sliding friction between the limit seat 100 and the bearing member 210 can be reduced, and the ease of adjustment of the limit seat 100 relative to the bearing member 210 can be improved.
[0046] For example, the stop body 130 is vertically connected to the stop body 130.
[0047] Please see Figure 1 In some embodiments, the limiting seat 100 further includes a reinforcing body 140. The reinforcing body 140 is disposed on the fixing surface 111a and is connected to the limiting body 120 and the second holding part 113 respectively.
[0048] Therefore, the reinforcement 140 can improve the connection stability between the limiting body 120 and the second holding part 113 and the main body 110, which is beneficial to improving the strength of the limiting seat 100.
[0049] In some embodiments, the reinforcing body 140 and the limiting body 120 are an integral structure.
[0050] Therefore, the integrated reinforcing body 140 and limiting body 120 can reduce the processing difficulty of the limiting seat 100 and help reduce the manufacturing cost of the limiting seat 100.
[0051] Please see Figure 3 The reinforcing body 140 is perpendicularly connected to the limiting body 120 and the second holding part 113, and the top surface of the reinforcing body 140 is flush with the top surface of the limiting body 120. Therefore, the above arrangement simplifies the processing technology of the reinforcing body 140 and the limiting body 120, thereby further reducing the manufacturing cost of the limiting seat 100.
[0052] Please see Figure 1 In some embodiments, the reinforcing body 140 is provided with a reinforcing chamfer 140a on the side facing the movable surface 111b, and the reinforcing chamfer 140a is provided at the end of the reinforcing body 140 near the first holding part 112.
[0053] Therefore, the reinforced chamfer 140a can guide the limiting seat 100 to be held on the carrier 210, thereby improving the holding efficiency between the limiting seat 100 and the carrier 210.
[0054] Please see Figure 3 In some embodiments, the height d1 of the first holding part 112 relative to the fixed surface 111a is less than the height d2 of the second holding part 113 relative to the fixed surface 111a.
[0055] Therefore, by reasonably configuring the height of the first holding part 112 and the height of the second holding part 113, the spatial arrangement of the limiting seat 100 can be optimized, and the limiting seat 100 can be prevented from interfering with the battery module 200.
[0056] It should be noted that in this embodiment, the depth h of the card slot 110a is equal to the height d1 of the first holding part 112 relative to the fixed surface 111a.
[0057] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be embraced within this application.
[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.
Claims
1. A limiting seat for limiting the copper busbar during the assembly of a battery module and a copper busbar, the battery module including a carrier and a battery cell disposed on the carrier, the copper busbar being connected to the battery cell via a locking member, characterized in that, The limiting seat includes: The main body has a slot, and the main body is held in place by the carrier through the slot; A limiting body is connected to the main body and located on the same side of the main body as the slot, wherein when the main body is positioned on the support member, the limiting body abuts against the copper busbar.
2. The limiting seat as described in claim 1, characterized in that, The support member has a receiving groove for accommodating the battery unit, and the main body includes: The fixing part has a fixed surface and a movable surface that are coplanar and connected. The fixing part is disposed on the adjacent two side walls of the receiving groove through the fixed surface and the movable surface. The limiting body is connected to the fixed surface. The first holding part is connected to the fixed surface; The second holding part is connected to the fixed surface and located between the first holding part and the limiting body. The first holding part, the second holding part, and the fixed surface surround to form the card slot, and the card slot communicates with the movable surface.
3. The limiting seat as described in claim 2, characterized in that, The fixing part, the first holding part, and the second holding part are an integral structure.
4. The limiting seat as described in claim 2, characterized in that, The limiting seat also includes: A stop body is connected to the movable surface and located on the side of the second holding portion away from the limiting body. The height of the limiting body relative to the main body is greater than the depth of the slot and less than the height of the stop body relative to the movable surface.
5. The limiting seat as described in claim 4, characterized in that, The fixed part has a fixed chamfer at one end away from the stop body, and the fixed chamfer and the limiting body are located at opposite ends of the fixed part.
6. The limiting seat as described in claim 4, characterized in that, The first holding part has a guide chamfer at one end near the stop body, and the guide chamfer is located on the side of the first holding part facing the card slot.
7. The limiting seat as described in claim 2, characterized in that, The limiting seat also includes: A reinforcing body is disposed on the fixed surface and connected to the limiting body and the second holding part respectively.
8. The limiting seat as described in claim 7, characterized in that, The reinforcing body and the limiting body are an integral structure.
9. The limiting seat as described in claim 7, characterized in that, The reinforcing body has a reinforcing chamfer on the side facing the movable surface, and the reinforcing chamfer is located at the end of the reinforcing body near the first holding part.
10. The limiting seat as described in claim 2, characterized in that, The height of the first holding part relative to the fixed surface is less than the height of the second holding part relative to the fixed surface.