Socket mounting structure applied to power battery module core

By using the first screw to cooperate with the first threaded hole and the fitting part and the through groove in the power battery module, the problem of loosening of the hot-swap plug is solved, and the stable connection between the socket and the cover body is achieved and the good sealing of the battery module is achieved.

CN222851607UActive Publication Date: 2025-05-09ZHEJIANG QIMA NEW ENERGY CO LTD
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Patent Information

Application Number
CN202421315374.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-05-25
Filing Date
2024-06-11
Publication Date
2025-05-09
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The hot-swap plug and box of the existing power battery module lack a firm connection structure, which causes the plug to loosen during the plug-in and unplug, affecting the use effect.

Method used

Through the mating of the first screw and the first threaded hole and the mating of the plug and the through groove, the connection between the socket and the cover body is ensured to be stable. At the same time, insulating tape and waterproof silicone ring are provided to improve sealing and waterproofing.

Benefits of technology

It realizes a firm connection between the socket and the cover, avoids shaking of the plug during the plug-in and unplugging process, and improves the stability and sealing of the battery during use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222851607U_ABST
    Figure CN222851607U_ABST
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Abstract

The utility model relates to a socket mounting structure applied to a power battery module core, which comprises a box body and a cover body covering the box body, the cover body is provided with a socket, the socket comprises a plugging part and a fixed plate arranged on the plugging part, the fixed plate is located in the box body, the cover body is provided with a through groove, and the through groove is arranged in the through groove. The cover body is provided with a penetrating groove, the inserting part penetrates through the penetrating groove and extends out of the cover body, the cover body is provided with a through hole and a first screw, the first screw is inserted into the through hole, and the fixing plate is provided with a first threaded hole matched with the first screw. According to the utility model, the stable connection of the socket and the cover body is ensured through the cooperation of the first screw and the first threaded hole and the cooperation of the plugging part and the through groove.
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Description

Technical Field

[0001] The utility model relates to the field of sockets, in particular to a socket installation structure applied to a power battery module core. Background Art

[0002] A Chinese patent with announcement number CN211530017U discloses a lithium battery module and a lithium battery, wherein the lithium battery module comprises: a housing; a battery cell, wherein the battery cell is disposed in the housing; a current limiting plate, wherein the current limiting plate is disposed at the inner end of the housing, and wherein the current limiting plate has a current limiting circuit; and a hot-swap plug, wherein the hot-swap plug is disposed at the inner end of the housing; and the battery cell, the current limiting plate and the hot-swap plug are electrically connected in sequence.

[0003] When the above-mentioned product is in use, the external connector will be frequently plugged into the hot-swap plug. However, the hot-swap plug and the housing of the above-mentioned product have not been provided with a firm connection structure, which easily causes the hot-swap plug to loosen during the plugging and unplugging process of the hot-swap plug and the external connector, affecting the use of the plug. Utility Model Content

[0004] The present application provides a socket mounting structure applied to a power battery module core, which ensures a stable connection between the socket and the cover body through the cooperation between the first screw and the first threaded hole and the cooperation between the plug-in portion and the through groove.

[0005] The present application provides a socket installation structure for a power battery module core using the following technical solution:

[0006] A socket mounting structure applied to a power battery module core comprises a box body and a cover body covered on the box body, the cover body is provided with a socket, the socket comprises an inserting portion and a fixing plate arranged on the inserting portion, the fixing plate is located inside the box body, a through groove is opened on the cover body, the inserting portion extends out of the cover body through the through groove, the cover body is provided with a through hole and a first screw, the first screw is inserted in the through hole, and the fixing plate is provided with a first threaded hole matching the first screw.

[0007] By adopting the above technical solution, the first screw is threadedly connected to the first threaded hole to complete the firm connection between the cover body and the socket. At the same time, when the socket and the connector are plugged in and out, the through groove will limit the shaking of the socket through the connecting part, thereby further ensuring the firmness of the connection between the cover body and the socket, so that the plug is not easy to shake when the socket and the connector are plugged in and out in the later stage of battery use.

[0008] Preferably, a limiting block is provided on the plug-in portion, and a slot which is plug-fitted with the limiting block is provided on the side wall of the through groove.

[0009] By adopting the above technical solution, before the connecting part is inserted into the through groove, the limit block is first aligned with the slot, and then the socket is pushed so that the connecting part is inserted into the through groove and the limit block is inserted into the slot at the same time. When the limit block is inserted into the slot, the first threaded hole will be aligned with the through hole, so that the first screw can be connected to the first threaded hole more accurately.

[0010] Preferably, the number of the first threaded holes on the fixing plate is four, and the four first threaded holes are respectively located at the four corners of the fixing plate, the number of the through holes on the cover body is four, and the number of the first screws on the cover body is four.

[0011] By adopting the above technical solution, the connection firmness between the cover body and the socket is further improved.

[0012] Preferably, the bottom protrusion of the cover body forms an annular plug block, and the annular plug block is plugged into the opening of the box body. Second threaded holes are opened on the surrounding side walls of the annular plug block, and countersunk holes are opened on the surrounding side walls of the box body. Multiple countersunk holes are respectively connected to multiple second threaded holes, and second screws are arranged in multiple countersunk holes. Multiple second screws are respectively threadedly connected in the multiple second threaded holes.

[0013] By adopting the above technical solution, the cover body can be fixed to the box body by threading the second screw into the plurality of second threaded holes, so that the box body becomes a sealed whole.

[0014] Preferably, the cover body is provided with a plurality of reinforcing blocks, one ends of the plurality of reinforcing blocks are fixedly connected to the cover body, the other ends of the plurality of reinforcing blocks are connected to the annular plug-in block, and a plurality of the second threaded holes extend into the plurality of reinforcing blocks respectively.

[0015] By adopting the above technical solution, multiple reinforcing blocks are provided to improve the connection strength between the annular plug block and the cover body, thereby reducing the possibility of the cover body being broken from the annular plug block when being impacted.

[0016] Preferably, an insulating tape is sleeved on the outer wall of the box body, and the insulating tape is used to cover a plurality of countersunk holes and a plurality of second screws.

[0017] By adopting the above technical solution, insulating tape is provided to protect the plurality of second screws to prevent rainwater and the like from corroding the second screws.

[0018] Preferably, an annular groove is provided on the outer wall of the annular plug-in block facing the box body, and an annular waterproof silicone ring is sleeved in the annular groove.

[0019] By adopting the above technical solution, a waterproof silicone ring is provided to prevent rainwater and the like from entering the box body, thereby protecting the batteries in the box body and improving the sealing between the annular plug and the box body.

[0020] Preferably, a first waterproof strip and a second waterproof strip are respectively provided on the opposite side walls of the waterproof silicone ring, a first accommodating groove for accommodating the first waterproof strip is provided on the side wall of the annular groove opposite to the box body, and a second accommodating groove for accommodating the second waterproof strip is provided on the inner side wall of the box body.

[0021] By adopting the above technical solution, the first waterproof strip and the second waterproof strip are provided to further enhance the waterproof silicone.

[0022] Preferably, the fixing plate is provided with an annular convex strip, the cover body is provided with an annular groove, and the annular convex strip is inserted into the annular groove.

[0023] By adopting the above technical solution, the sealing between the fixing plate and the cover body is improved, and rainwater is prevented from flowing into the box through the gap between the cover body and the fixing plate.

[0024] Preferably, a collecting annular groove is provided on the fixing plate, the annular convex strip is located in the collecting annular groove, a plurality of reinforcing ribs are provided in the collecting annular groove, and two ends of the plurality of reinforcing ribs are respectively connected to two opposite side walls of the collecting annular groove.

[0025] By adopting the above technical solution, a collecting annular groove is provided to collect water drops entering the box body from the connection between the annular convex strip and the annular groove.

[0026] The technical effects of this utility model are mainly reflected in the following aspects:

[0027] 1. The utility model ensures the stable connection between the socket and the cover body by the cooperation between the first screw and the first threaded hole and the cooperation between the plug-in part and the through groove;

[0028] 2. The utility model provides an insulating tape to protect the plurality of second screws to prevent rainwater from corroding the second screws;

[0029] 3. The utility model is provided with a waterproof silicone ring to improve the sealing between the annular plug and the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of the battery module of the application.

[0031] Figure 2 yes Figure 1 Cross-sectional view of the middle box and other components along line AA.

[0032] Figure 3 yes Figure 2 A partial enlarged view of point B in the middle.

[0033] Figure 4 It is a structural schematic diagram of the cover body.

[0034] Figure 5 It is a structural diagram of the box.

[0035] Figure 6 yes Figure 1 Cross-sectional view of the middle box and other components along line CC.

[0036] Figure 7 yes Figure 6 A partial enlarged view of point D in the middle.

[0037] Figure 8 It is a schematic diagram of the socket structure.

[0038] Figure numerals: 1. box body; 11. countersunk hole; 12. second screw; 13. second accommodating groove; 2. cover body; 21. through groove; 22. through hole; 23. first screw; 24. slot; 25. reinforcement block; 26. annular groove; 3. socket; 31. plug-in part; 311. limit block; 32. fixing plate; 321. first threaded hole; 4. annular plug-in block; 41. second threaded hole; 42. annular slot; 43. first accommodating groove; 5. insulating tape; 6. waterproof silicone ring; 61. first waterproof strip; 62. second waterproof strip; 7. annular convex strip; 8. collecting ring groove; 9. reinforcing rib. DETAILED DESCRIPTION

[0039] The present application is further described in detail below in conjunction with the accompanying drawings to make the technical solution of the present application easier to understand and grasp.

[0040] Reference Figure 1-Figure 4 In this embodiment, a socket 3 installation structure applied to a power battery module core includes a box body 1 and a cover body 2 covering the box body 1. The box body 1 is used to place the power battery module. The bottom protrusion of the cover body 2 is formed with an annular plug block 4, and the annular plug block 4 is plugged into the opening of the box body 1. A plurality of reinforcing blocks 25 are provided on the cover body 2, one end of the plurality of reinforcing blocks 25 is fixedly connected to the cover body 2, and the other end of the plurality of reinforcing blocks 25 is connected to the annular plug block 4. (The power battery module is not shown in the figure).

[0041] Reference Figure 1-Figure 5 , second threaded holes 41 are provided on the surrounding side walls of the annular insert 4, and the plurality of second threaded holes 41 extend into the plurality of reinforcing blocks 25 respectively. Countersunk holes 11 are provided on the surrounding side walls of the box body 1, and the plurality of countersunk holes 11 respectively penetrate the box body 1, and the plurality of countersunk holes 11 are connected to the plurality of second threaded holes 41 respectively, and the plurality of countersunk holes 11 are provided with second screws 12, and the plurality of second screws 12 are respectively threadedly connected in the plurality of second threaded holes 41. An insulating tape 5 is sleeved on the outer wall of the box body 1, and the insulating tape 5 is used to cover the plurality of countersunk holes 11 and the plurality of second screws 12.

[0042] Reference Figure 1-Figure 5, an annular slot 42 is provided on the side wall of the annular plug 4 facing the box body 1, and the annular slot 42 is located on the side of the plurality of second threaded holes 41 away from the cover body 2, and an annular waterproof silicone ring 6 is sleeved in the annular slot 42. Two first waterproof strips 61 and two second waterproof strips 62 are fixed on the opposite side walls of the waterproof silicone ring 6, and two first receiving grooves 43 for receiving the first waterproof strips 61 are provided on the side wall of the annular slot 42 opposite to the box body 1, and two second receiving grooves 13 for receiving the second waterproof strips 62 are provided on the inner side wall of the box body 1. The waterproof silicone ring 6 is provided to improve the sealing type between the cover body 2 and the box body 1, and prevent rainwater from flowing into the box body 1 through the gap between the cover body 2 and the box body 1 to damage the batteries in the box body 1.

[0043] Reference Figure 1 , Figure 6-Figure 8 The cover 2 is provided with a through slot 21, and a socket 3 is installed in the through slot 21. The socket 3 includes a plug-in portion 31 and a fixing plate 32 provided on the plug-in portion 31, wherein the fixing plate 32 is located inside the box 1, and the plug-in portion 31 extends out of the cover 2 through the through slot 21. The cover 2 is provided with four through holes 22, and first screws 23 are inserted into the four through holes 22. First threaded holes 321 matching with the first screws 23 are provided at the four corners of the fixing plate 32. A stopper 311 is fixed on the plug-in portion 31, and a slot 24 matching with the stopper 311 is provided on the side wall of the through slot 21.

[0044] Reference Figure 1 , Figure 6-Figure 8 Before the connecting part is inserted into the through groove 21, the stopper 311 is first aligned with the slot 24, and then the socket 3 is pushed so that the connecting part is inserted into the through groove 21 and the stopper 311 is inserted into the slot 24. When the stopper 311 is inserted into the slot 24, the four first threaded holes 321 are aligned with the four through holes 22 respectively, so that the four first screws 23 can be connected to the four first threaded holes 321 more accurately. The connection between the cover body 2 and the socket 3 can be completed by threading the four first screws 23 into the four first threaded holes 321. At the same time, when the socket 3 is plugged in and out of the connector, the through groove 21 will limit the shaking of the socket 3 through the connecting part, thereby further ensuring the firmness of the connection between the cover body 2 and the socket 3, so that the plug is not easy to shake when the socket 3 is plugged in and out of the connector in the later stage of battery use.

[0045] Reference Figure 1 , Figure 6-Figure 8, two annular convex strips 7 are provided on the fixing plate 32, and the four threaded holes are all located on the inner side of the two annular convex strips 7. Two annular grooves 26 are provided on the cover body 2, and the two annular convex strips 7 are inserted into the two annular grooves 26. A collecting annular groove 8 is also provided on the fixing plate 32, and the two annular convex strips 7 are located on the inner side of the collecting annular groove 8. A plurality of reinforcing ribs 9 are provided in the collecting annular groove 8, and the two ends of the plurality of reinforcing ribs 9 are respectively connected to the two opposite side walls of the collecting annular groove 8. The cooperation between the annular convex strips 7 and the annular grooves 26 improves the sealing between the socket 3 and the cover body 2.

[0046] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A socket mounting structure applied to a power battery module core, comprising a box body (1) and a cover body (2) covering the box body (1), characterized in that: The cover body (2) is provided with a socket (3), the socket (3) comprises a plug-in portion (31) and a fixing plate (32) arranged on the plug-in portion (31), the fixing plate (32) is located inside the box body (1), the cover body (2) is provided with a through slot (21), the plug-in portion (31) passes through the through slot (21) and extends out of the cover body (2), the cover body (2) is provided with a through hole (22) and a first screw (23), the first screw (23) is inserted into the through hole (22), and the fixing plate (32) is provided with a first threaded hole (321) matched with the first screw (23).

2. The socket mounting structure for a power battery module core according to claim 1, characterized in that: The plug-in portion (31) is provided with a limit block (311), and the side wall of the through slot (21) is provided with a slot (24) for plugging and matching with the limit block (311).

3. The socket mounting structure for a power battery module core according to claim 2, characterized in that: There are four first threaded holes (321) on the fixing plate (32), and the four first threaded holes (321) are respectively located at four corners of the fixing plate (32). There are four through holes (22) on the cover body (2), and there are four first screws (23) on the cover body (2).

4. The socket mounting structure for a power battery module core according to claim 1, characterized in that: The bottom protrusion of the cover body (2) is formed with an annular plug-in block (4), and the annular plug-in block (4) is plugged into the opening of the box body (1). Second threaded holes (41) are provided on the surrounding side walls of the annular plug-in block (4), and countersunk holes (11) are provided on the surrounding side walls of the box body (1). A plurality of the countersunk holes (11) are respectively connected to a plurality of second threaded holes (41), and a second screw (12) is provided in each of the plurality of countersunk holes (11), and a plurality of the second screws (12) are respectively threadedly connected in the plurality of second threaded holes (41).

5. The socket mounting structure for a power battery module core according to claim 4, characterized in that: The cover body (2) is provided with a plurality of reinforcing blocks (25), one end of each of the plurality of reinforcing blocks (25) is fixedly connected to the cover body (2), the other end of each of the plurality of reinforcing blocks (25) is connected to the annular insert block (4), and a plurality of the second threaded holes (41) extend into the plurality of reinforcing blocks (25) respectively.

6. The socket mounting structure for a power battery module core according to claim 4, characterized in that: An insulating tape (5) is sleeved on the outer wall of the box body (1), and the insulating tape (5) is used to cover a plurality of countersunk holes (11) and a plurality of second screws (12).

7. The socket mounting structure for a power battery module core according to claim 4, characterized in that: An annular groove (42) is provided on the side wall of the annular plug block (4) facing the box body (1), and an annular waterproof silicone ring (6) is sleeved inside the annular groove (42).

8. The socket mounting structure for a power battery module core according to claim 7, characterized in that: The waterproof silicone ring (6) is provided with a first waterproof strip (61) and a second waterproof strip (62) on the opposite side walls thereof, respectively; the annular groove (42) is provided with a first receiving groove (43) for receiving the first waterproof strip (61) on the side wall thereof opposite to the box body (1); and the box body (1) is provided with a second receiving groove (13) for receiving the second waterproof strip (62) on the inner side wall thereof.

9. The socket installation structure applied to a power battery module core according to claim 1, characterized in that: The fixing plate (32) is provided with an annular convex strip (7), the cover body (2) is provided with an annular groove (26), and the annular convex strip (7) is inserted into the annular groove (26).

10. A socket mounting structure for a power battery module core according to claim 9, characterized in that: The fixing plate (32) is provided with a collecting annular groove (8), the annular convex strip (7) is located in the collecting annular groove (8), a plurality of reinforcing ribs (9) are provided in the collecting annular groove (8), and the two ends of the plurality of reinforcing ribs (9) are respectively connected to two opposite side walls of the collecting annular groove (8).

Citation Information

Patent Citations

  • Lithium battery module and lithium battery

    CN211530017U