CN218677491U

CN218677491U - Copper bar sealing connection structure and car

Info

Publication number: CN218677491U
Application number: CN202222861965.2U
Authority: CN
Inventors: 李伟
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-21
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to the technical field of automobiles, in particular to a copper bar sealing connection structure and an automobile, wherein the copper bar sealing connection structure comprises a module end plate, and a mounting hole is formed in the module end plate; the copper bar assembly penetrates through the mounting hole, and one end of the copper bar assembly is electrically connected with the aluminum busbar; the copper bar assembly is embedded in the sealing mounting seat, the other end of the copper bar assembly is opposite to the sealing mounting seat and extends out of the sealing mounting seat, and the sealing mounting seat is arranged at the mounting hole and used for sealing and plugging the mounting hole. The utility model discloses can promote the leakproofness of module.

Description

Copper bar sealing connection structure and car

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a copper bar sealing connection structure and car.

Background

With the rapid development of new energy automobiles, the arrangement of power batteries on the whole automobile is also updated increasingly. At present, the space utilization rate is improved by adopting a mode of directly integrating a battery module and a whole vehicle chassis, and the whole vehicle chassis is used as a shell boundary of a battery system. But the chassis of the whole vehicle can only be physically sealed, so that the IP protection difficulty required by the battery is high.

The power battery module comprises a structural part, a battery core, a conductive connecting sheet, a sampling wire harness and a connector, wherein a module terminal leads out a copper bar which is one of an internal connecting piece and an external connecting piece, so that the sealing of the copper bar is an important link for sealing the module. In the prior art, the battery module copper bars are mostly directly led out of the module, and the aluminum bars of the copper bars and the battery cores are directly led out of the end plates of the module after being welded in an ultrasonic welding mode. In this way, there is a gap at the position where the copper bar is led out from the module, resulting in poor sealing performance of the module.

Therefore, a copper busbar sealing connection structure and an automobile are required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a copper bar sealing connection structure and car can promote the leakproofness of module.

To achieve the purpose, the utility model adopts the following technical proposal:

copper bar sealing connection structure includes:

the module end plate is provided with a mounting hole;

the copper bar assembly penetrates through the mounting hole, and one end of the copper bar assembly is electrically connected with the aluminum busbar;

the copper bar assembly is embedded in the sealing mounting seat, the other end of the copper bar assembly is opposite to the sealing mounting seat and extends out of the sealing mounting seat, and the sealing mounting seat is arranged at the mounting hole and used for sealing and plugging the mounting hole.

Further, seal installation seat is including interconnect's fixed part and connecting portion, the module end plate clamp is established the fixed part with between the connecting portion, the one end of copper bar subassembly is relative connecting portion stretch out with the aluminium bar electricity of converging is connected, the other end of copper bar subassembly is relative the fixed part stretches out.

Further, the fixing part and the connecting part are of an integrated structure.

Furthermore, one side of the module end plate, which faces the fixing part, is provided with a groove, and one side of the fixing part, which faces the module end plate, is embedded in the groove.

Furthermore, a plurality of grooves are formed at intervals along the circumferential direction of the mounting hole.

Further, the copper bar assembly comprises a first copper bar and a second copper bar which are electrically connected with each other, the first copper bar is opposite to the fixing portion, the second copper bar is opposite to the connecting portion, and the second copper bar is electrically connected with the bus aluminum bar.

Furthermore, the fixed part is provided with a mounting groove, one end of the second copper bar is embedded in the mounting groove, one end of the first copper bar is arranged in the mounting groove and electrically connected with the second copper bar, and the fixed part is provided with a sealing cover used for sealing the mounting groove.

Furthermore, a first nut is embedded on the fixing part, a stepped hole opposite to the first nut is formed in the sealing cover, and a first fastener penetrates through the stepped hole and is in threaded connection with the first nut.

Further, a second nut is embedded at the bottom of the mounting groove, and a second fastener penetrates through the first copper bar and the second copper bar and is in threaded connection with the second nut.

The automobile comprises the copper bar sealing connection structure.

The utility model has the advantages that:

the utility model provides a copper bar sealing connection structure has seted up the mounting hole on the module end plate of module, and the copper bar subassembly passes the mounting hole, and one end is connected with the aluminium bar electricity that converges, is provided with seal installation seat in mounting hole department, and the seal installation seat cladding is on the copper bar subassembly, realizes the sealing connection with the copper bar subassembly, through seal installation seat shutoff mounting hole to realize seal installation seat and module end plate sealing connection. Through the mode, when guaranteeing that the copper bar subassembly is derived from the module is inside, can promote the leakproofness of module.

The utility model provides an automobile, include as above copper bar sealing connection structure, can promote the leakproofness of module.

Drawings

Fig. 1 is a schematic view of a copper bar sealing connection structure of the present invention;

fig. 2 is an exploded schematic view of the copper bar sealing connection structure of the present invention;

fig. 3 is a schematic view of a seal mounting seat in the copper bar sealing connection structure of the present invention;

fig. 4 is a schematic view of a sealing cover in the copper bar sealing connection structure of the present invention.

In the figure:

1. a module end plate; 11. mounting holes; 2. a first copper bar; 3. a second copper bar; 4. a seal mounting seat; 41. a fixed part; 411. a first nut; 412. a second nut; 42. a connecting portion; 5. a sealing cover; 51. a stepped hole; 52. blind holes; 6. a first fastener.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

When exporting the module with the copper bar, in order to guarantee the leakproofness of module, as shown in fig. 1-4, the utility model provides a copper bar sealing connection structure. Copper bar sealing connection structure includes module end plate 1, copper bar subassembly and seal installation seat 4.

Wherein, the module end plate 1 is provided with a mounting hole 11; the copper bar assembly penetrates through the mounting hole 11, and one end of the copper bar assembly is electrically connected with the bus aluminum bar; the copper bar subassembly inlays to be established in sealed mount pad 4, and the other end of copper bar subassembly stretches out relative sealed mount pad 4, and sealed mount pad 4 sets up in mounting hole 11 department for sealed shutoff mounting hole 11.

The cladding of seal installation seat 4 is on the copper bar subassembly, realize with the sealing connection of copper bar subassembly, through seal installation seat 4 shutoff mounting hole 11 to realize seal installation seat 4 and module end plate 1 sealing connection. Through the mode, when guaranteeing that the copper bar subassembly is derived from the module is inside, can promote the leakproofness of module.

Further, the seal mounting seat 4 includes a fixing portion 41 and a connecting portion 42 that are connected to each other, the module end plate 1 is clamped between the fixing portion 41 and the connecting portion 42, one end of the copper bar assembly extends out relative to the connecting portion 42 to be electrically connected to the busbar, and the other end of the copper bar assembly extends out relative to the fixing portion 41. The module end plate 1 is clamped by the fixing portion 41 and the connecting portion 42, so that the stability of connection between the seal mounting seat 4 and the module end plate 1 is ensured, and the mounting hole 11 can be effectively sealed and blocked.

Further, the fixing portion 41 and the connecting portion 42 are integrally configured. Specifically, in the present embodiment, the fixing portion 41 and the connecting portion 42 are integrated by an injection molding process, so that the fixing portion 41 and the connecting portion 42 are easily manufactured and the connection strength is ensured.

Furthermore, a groove is formed in one side of the module end plate 1 facing the fixing portion 41, and one side of the fixing portion 41 facing the module end plate 1 is embedded in the groove. Through seting up the recess for when module end plate 1 and fixed part 41 are stably connected, can prevent that seal installation seat 4 from rotating relative to module end plate 1.

Further, a plurality of grooves are formed at intervals along the circumferential direction of the mounting hole 11. With the above arrangement, the stability of the connection of the fixing portion 41 and the module end plate 1 can be improved. Specifically, in this embodiment, the recess is the trapezoidal form that falls, promotes the intensity and the stability that fixed part 41 and module end plate 1 are connected after moulding plastics.

Further, the copper bar assembly comprises a first copper bar 2 and a second copper bar 3 which are electrically connected with each other, a fixing portion 41 of the first copper bar 2 extends out, a connecting portion 42 of the second copper bar 3 extends out, and the second copper bar 3 is electrically connected with the bus aluminum bar. Through setting up first copper bar 2 and second copper bar 3, the installation of being convenient for. In other embodiments, the copper bar assembly may also be a longer copper bar, which is not limited herein.

Further, the mounting groove has been seted up to fixed part 41, and the one end of second copper bar 3 is inlayed and is established in the mounting groove, and the one end setting of first copper bar 2 is in the mounting groove, and is connected with second copper bar 3 electricity, is provided with sealed lid 5 on the fixed part 41, and sealed lid 5 is used for sealing up the mounting groove. In this embodiment, sealed lid 5 adopts rubber to make, can effectively seal the mounting groove to seal the junction to first copper bar 2 and second copper bar 3, prevent that the junction from stained internal resistance that brings from increasing and the safety problem.

Further, a first nut 411 is embedded in the fixing portion 41, a stepped hole 51 opposite to the first nut 411 is formed in the sealing cover 5, and the first fastening piece 6 penetrates through the stepped hole 51 and is screwed with the first nut 411. Specifically, in this embodiment, two first nuts 411 are embedded on the fixing portion 41, two corresponding stepped holes 51 are formed in the stepped holes 51, the sealing cover 5 is fixed on the fixing portion 41 by using the first fastening member 6, so that the sealing cover 5 is convenient to mount, and meanwhile, the sealing cover 5 is pressed by using the first fastening member 6 and the first nut 411 in a matching manner, so that the mounting groove is effectively sealed and the sealing is realized.

Further, a second nut 412 is embedded in the groove bottom of the mounting groove, and a second fastener penetrates through the first copper bar 2 and the second copper bar 3 to be in threaded connection with the second nut 412. Through the cooperation of second fastener and second nut 412, guarantee the stability that first copper bar 2 and second copper bar 3 electricity are connected. In order to facilitate the installation of the second fastening member, a blind hole 52 is formed on one side of the sealing cover 5 facing the fixing portion 41, and the head of the second fastening member is embedded in the blind hole 52 to ensure that the sealing cover 5 is tightly attached to the fixing portion 41.

The embodiment also provides an automobile, which comprises the copper bar sealing connection structure, and can improve the sealing property of the module.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Copper bar sealing connection structure, its characterized in that includes:

the module comprises a module end plate (1), wherein the module end plate (1) is provided with a mounting hole (11);

the copper bar assembly penetrates through the mounting hole (11), and one end of the copper bar assembly is electrically connected with the bus aluminum bar;

seal installation seat (4), the copper bar subassembly inlays to be established in seal installation seat (4), just the other end of copper bar subassembly is relative seal installation seat (4) stretch out, seal installation seat (4) set up mounting hole (11) department for sealed shutoff mounting hole (11).

2. The copper bar sealing connection structure according to claim 1, wherein the sealing installation seat (4) comprises a fixing portion (41) and a connecting portion (42) connected to each other, the module end plate (1) is sandwiched between the fixing portion (41) and the connecting portion (42), one end of the copper bar assembly protrudes relative to the connecting portion (42) to be electrically connected with the busbar, and the other end of the copper bar assembly protrudes relative to the fixing portion (41).

3. The copper bar sealing connection structure according to claim 2, wherein the fixing portion (41) and the connecting portion (42) are of an integrated structure.

4. The copper bar sealing connection structure as claimed in claim 2, wherein the side of the module end plate (1) facing the fixing portion (41) is provided with a groove, and the side of the fixing portion (41) facing the module end plate (1) is embedded in the groove.

5. The copper bar sealing connection structure according to claim 4, wherein a plurality of the grooves are formed at intervals along the circumferential direction of the mounting hole (11).

6. The copper bar sealing connection structure according to claim 2, wherein the copper bar assembly comprises a first copper bar (2) and a second copper bar (3) electrically connected to each other, the first copper bar (2) extends out relative to the fixing portion (41), the second copper bar (3) extends out relative to the connecting portion (42), and the second copper bar (3) is electrically connected to the aluminum busbar.

7. The copper bar sealing connection structure according to claim 6, wherein the fixing portion (41) is provided with a mounting groove, one end of the second copper bar (3) is embedded in the mounting groove, one end of the first copper bar (2) is disposed in the mounting groove and electrically connected to the second copper bar (3), and a sealing cover (5) is disposed on the fixing portion (41), and the sealing cover (5) is used for sealing the mounting groove.

8. The copper bar sealing connection structure as claimed in claim 7, wherein a first nut (411) is embedded in the fixing portion (41), a stepped hole (51) opposite to the first nut (411) is formed in the sealing cover (5), and a first fastening member (6) penetrates through the stepped hole (51) to be screwed with the first nut (411).

9. The copper bar sealing connection structure according to claim 7, wherein a second nut (412) is embedded at the bottom of the installation groove, and a second fastener passes through the first copper bar (2) and the second copper bar (3) to be in threaded connection with the second nut (412).

10. Automobile, characterized in that it comprises a copper bar sealing connection structure according to any one of claims 1-9.