High-voltage wire harness quick-insertion and quick-change type power conversion connector

Abstract

The utility model discloses a high-voltage wire harness quick-insertion and quick-change type electricity-changing connector. The power conversion connector comprises a power conversion connector main body, two high-voltage connection sockets and two high-voltage connection plugs, the power conversion connector main body is provided with two power jack pieces which are respectively provided with an inner jack and an outer jack; two high-voltage connecting sockets are in threaded connection with the power conversion connector main body, and outer end shaft sleeves are connected with the middle of the power jack piece; inner shaft sleeves of high-voltage connecting plugs are connected with power terminals and high-voltage cables; the two high-voltage connection plugs are directly inserted into the two high-voltage connection sockets, the power terminals are inserted into the inner jack ends, the inner insertion pipes of the high-voltage connection plugs are inserted into the positioning ring holes of the external connection pipes of the high-voltage connection sockets and are in key position connection, and the self-locking pieces enter the positioning ring grooves, so that quick insertion and quick replacement are realized. According to the utility model, the wire harness can be quickly assembled, disassembled and replaced, so that the after-sales maintenance efficiency is improved, and the after-sales maintenance cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery swapping connectors, and in particular to a quick-connect and quick-change battery swapping connector for high-voltage wiring harnesses. Background Technology

[0002] Battery swapping connectors are crucial components in the new energy field. During use, damage may occur at the wiring harness ends (terminals and high-voltage wiring harnesses) of the connectors. Connectors with quick-replacement capabilities extend their lifespan. Currently, the assembly of the wiring harness ends and connector housing ends is complex, typically requiring the assembly of components such as connector tail caps and wire seals before crimping the cables. This approach has several drawbacks: First, it is cumbersome and inefficient, requiring significant time and labor costs, resulting in low production efficiency and inconvenient after-sales maintenance, while also wasting considerable materials, manpower, and resources. Second, the complex structure leads to numerous assembly steps, increasing the likelihood of assembly problems and defects. Utility Model Content

[0003] To address one or more of the aforementioned problems, this utility model provides a high-voltage wiring harness quick-connect and quick-change power swapping connector.

[0004] According to one aspect of the present invention, a high-voltage wire harness quick-connect and quick-change battery swapping connector includes: a battery swapping connector body and two high-voltage connection sockets and two high-voltage connection plugs.

[0005] The main body bushing of the battery swapping connector connects two power socket components. One end of the power socket component is an external socket end exposed on the panel, and the other end is an internal socket end inside the vehicle body.

[0006] Two high-voltage connection sockets are threaded to the inner side of the main body of the power swapping connector and the outer end bushing is connected to the middle of the power socket. The outer connecting tube of the high-voltage connection socket is coaxially passed through the inner socket end to form a positioning ring hole. The outer connecting tube is provided with several self-locking parts that can move radially elastically and at least one axial positioning keyway on the inner wall.

[0007] The high-voltage connector has two shaft sleeves at its inner ends, which are respectively connected to the power terminal and the high-voltage cable. The power terminal is electrically connected to the high-voltage cable. The outer wall of the inner tube of the high-voltage connector has a positioning ring groove and at least one axial positioning key. The two high-voltage connectors are directly inserted into the two high-voltage connector sockets. The power terminal is inserted into the inner insertion hole end, the inner insertion tube is inserted into the positioning ring hole of the outer connecting tube, the positioning key is connected to the positioning key groove, and the self-locking component enters the positioning ring groove, thereby realizing the self-locking positioning quick-plug quick-change connection between the two.

[0008] In some embodiments, the outer connecting pipe is provided with two axial positioning keyways of different widths, and the outer wall of the inner insert pipe is provided with two axial positioning keys that cooperate with the positioning keyways.

[0009] In some implementations, the high-voltage cable is vertically connected to the rear end of the power terminal, and by setting positioning keyways at different positions, the output direction of the high-voltage cable at multiple angles can be achieved.

[0010] In some embodiments, the self-locking element is a self-locking ball, and the radial through holes of several circumferential arrays of the external connecting pipe are interference-fitted with elastic locking holes, with the self-locking ball installed in the elastic locking holes.

[0011] In some embodiments, the front end of the elastic locking hole is an open spherical groove and the diameter of the rear end hole is smaller than the diameter of the ball;

[0012] Alternatively, the self-locking ball bearings may be ceramic balls.

[0013] In some embodiments, the outer circumference of the spring sleeve is evenly distributed with protrusions to increase friction.

[0014] In some implementations, the disc bases of the two high-voltage connection sockets are threaded into the two connection grooves of the floating seat of the power swapping connector body.

[0015] In some embodiments, the disc base has two arcuate lugs and an axial positioning block, the positioning block being connected in a rectangular groove outside the connecting groove, and the arcuate lugs being connected in an arcuate groove outside the connecting groove.

[0016] In some embodiments, an insulating rod is provided inside the socket at the inner socket end; an insulating cap is connected to the center blind hole of the power terminal; and the insulating rod can be inserted into the insulating cap.

[0017] In some embodiments, the outer wall of the inner cannula is also integrally provided with a spring sleeve for insertion and removal;

[0018] The inner tube has an outer sealing ring at the end of its outer wall; the outer connecting tube has an inner sealing ring at the end of its inner wall.

[0019] This high-voltage wire harness quick-connect and quick-change battery swapping connector uses independent battery swapping connector bodies, high-voltage connection sockets, and high-voltage connection plugs. The high-voltage connection socket is threadedly assembled onto the body, while the high-voltage connection plug, carrying power terminals and high-voltage cables, forms an independent module. Assembly, connection, maintenance, and replacement can be achieved through plugging and unplugging. Its advantages are: First, the assembly structure is simple, enabling quick plugging and quick-change of the high-voltage connection plug (power terminals, high-voltage cables), improving the rapid assembly and disassembly of the battery swapping connector wire harness, thereby increasing after-sales maintenance efficiency, reducing after-sales maintenance costs, and enhancing product competitiveness. Second, the assembly process is simple, resulting in high product assembly precision and a high product yield. Third, the use of positioning keys for keyed connection ensures error-proof assembly; the positioning keys provide circumferential limiting, and self-locking balls provide axial limiting, thus achieving high-precision insertion. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of a high-voltage wire harness quick-connect and quick-change power swapping connector before insertion, according to one embodiment of the present invention.

[0021] Figure 2 for Figure 1 A three-dimensional schematic diagram of the floating base and high-voltage connection socket shown;

[0022] Figure 3 for Figure 2 A three-dimensional schematic diagram of the high-voltage connection socket shown;

[0023] Figure 4 for Figure 1 A three-dimensional schematic diagram of the floating high-voltage connector shown.

[0024] The battery swapping connector body 1, floating seat 10, connecting groove 100, rectangular groove 101, arc groove 102, and panel 11;

[0025] High-voltage connection socket 2, external connecting pipe 20, radial through hole 201, elastic locking hole 202, positioning ring hole 21, self-locking part 22, positioning keyway 23, disc base 24, arc ear block 25, positioning block 26;

[0026] High-voltage connector 3, inner tube 30, positioning ring groove 31, positioning key 32, spring sleeve 33, protrusion 34;

[0027] Power socket component 4, connecting spring 40, outer socket end 41, inner socket end 42;

[0028] 5. High-voltage cable; 6. Power terminal; 7. Insulating rod; 8. Insulating cap. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to the directions in the accompanying drawings, while the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0030] Figures 1 to 4 The diagram schematically illustrates a high-voltage wiring harness quick-connect and quick-change power swapping connector according to one embodiment of the present invention. As shown, the device includes: a power swapping connector body 1, and two high-voltage connection sockets 2 and two high-voltage connection plugs 3;

[0031] The main body 1 of the battery swapping connector is connected to two power socket components 4 via a bushing. One end of the power socket component 4 is an external socket end 41 exposed on the panel 11, and the other end is an internal socket end 42 inside the vehicle body.

[0032] Two high-voltage connection sockets 2 are threaded to the inner side of the power swapping connector body 1 and the outer end bushing is connected to the middle of the power socket 4. The outer connecting pipe 20 of the high-voltage connection socket 2 is coaxially sleeved by the inner socket end 42 to form a positioning ring hole 21. The outer connecting pipe 20 is provided with several self-locking parts 22 that can move radially elastically and at least one axial positioning keyway 23 on the inner wall.

[0033] The high-voltage connector 3 has two shaft sleeves at its inner ends, connecting the power terminal 6 and the high-voltage cable 5 respectively. The power terminal 6 is electrically connected to the high-voltage cable 5. The outer wall of the inner tube 30 of the high-voltage connector 3 is provided with a positioning ring groove 31 and at least one axial positioning key 32. The two high-voltage connectors 3 are directly inserted into the two high-voltage connector sockets 2. The power terminal 6 is inserted into the inner insertion hole end 42. The inner tube 30 is inserted into the positioning ring hole 21 of the outer connecting tube 20. The positioning key 32 is connected to the positioning keyway 23. The self-locking member 22 enters the positioning ring groove 31, thereby making the two self-locking and connected.

[0034] This high-voltage wiring harness quick-connect and quick-change battery swapping connector uses independent battery swapping connector body 1, high-voltage connection socket 2, and high-voltage connection plug 3. The high-voltage connection socket 2 is threadedly assembled onto the body 1, and the high-voltage connection plug 3, carrying power terminals 6 and high-voltage cables 5, forms an independent module. Assembly, connection, maintenance, and replacement can be achieved through plugging and unplugging. Its advantages are: First, the assembly structure is simple, realizing quick plugging and quick-change of the high-voltage connection plug 3 (power terminals 6 and high-voltage cables 5), improving the rapid assembly and disassembly of the battery swapping connector wiring harness, thereby improving after-sales maintenance efficiency, reducing after-sales maintenance costs, and enhancing product competitiveness. Second, the assembly process is simple, the product assembly accuracy is high, and the product yield is high. Third, the key connection of the positioning key 32 is used to achieve assembly error prevention. The positioning key 32 achieves circumferential limitation, and the self-locking part 22 achieves axial limitation, thereby achieving high-precision insertion.

[0035] Preferably, the outer connecting pipe 20 is provided with two axial positioning keyways 23 of different widths, and the outer wall of the inner insert pipe 30 is provided with two axial positioning keys 32 of different widths that cooperate with the positioning keyways 23. The advantage of this is that the different key widths are beneficial to assembly.

[0036] Preferably, the power terminal 6 is directly connected to the rear end of the high-voltage cable 5 or its rear end is vertically connected to the high-voltage cable 5; in one connection structure, the tail of the power terminal 6 has a threaded structure, and the high-voltage cable 5 is crimped and connected to the power terminal 6 of the high-voltage connector 2 by screws.

[0037] When the high-voltage cable 5 is vertically connected to the rear end of the power terminal 6, the output direction of the high-voltage cable 5 can be adjusted at multiple angles by setting different positioning keyways 23. The advantage is that this setting allows for different output angles of the cable 5 through different key positions.

[0038] Furthermore, the self-locking component 22 is a self-locking ball bearing, and the outer connecting pipe 20 is provided with a plurality of radially arranged through holes 201. An elastic locking hole 202 is interference-fitted into the radial through holes 201, and the self-locking component 22 is installed within the elastic locking hole 202 and can move radially elastically. Its beneficial effects are: this arrangement further improves the angle adjustment range and the uniformity of load distribution.

[0039] Preferably, the front end of the elastic locking hole 202 is an open spherical groove and the diameter of the rear end hole is smaller than the diameter of the ball; preferably, the self-locking ball is a ceramic ball. The beneficial effect is that this design makes axial positioning more accurate.

[0040] Furthermore, the main body 1 of the battery swapping connector is provided with a three-way floating seat 10. The floating seat 10 has two connecting grooves 100, and the disc bases 24 of the two high-voltage connecting sockets 2 are threaded into the two connecting grooves 100. Preferably, the disc base 24 has two arc-shaped lugs 25 and an axial positioning block 26. The positioning block 26 is connected in a rectangular groove 101 outside the connecting groove 100, and the arc-shaped lugs 25 are connected in an arc-shaped groove 102 outside the connecting groove 100. The advantages are: the structure is simple and it is also conducive to high-precision assembly.

[0041] Furthermore, an insulating rod 7 is provided inside the socket of the inner insertion end 42; an insulating cap 8 is connected to the center blind hole on the front end face of the power terminal 6; two high-voltage connection plugs 3 are directly inserted into two high-voltage connection sockets 2, and the insulating rod 7 is inserted into the insulating cap 8. Its beneficial effects are: this structure has anti-finger-touching and anti-electric shock functions.

[0042] Preferably, the outer wall of the inner tube 30 is also integrally provided with a spring sleeve 33, the lower end of the spring sleeve 33 is sealed to the outside of the self-locking member 22, and an insertion and extraction force is applied to the spring sleeve 33, which can install or remove the high-voltage connection plug 3.

[0043] The inner tube 30 has an outer sealing ring at the end of its outer wall; the outer connecting tube 20 has an inner sealing ring at the end of its inner wall.

[0044] Preferably, the outer circumference of the spring sleeve 33 is evenly distributed with protrusions 34 to increase friction. The advantage of this design is that it facilitates insertion and removal during installation.

[0045] Furthermore, both the outer insertion end 41 and the inner insertion end 42 are provided with connecting springs 40. The beneficial effect is that this arrangement facilitates a tight connection between the terminal and the insertion hole.

[0046] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A high-voltage wire harness quick plug and quick change type battery connector, characterized by, It comprises: a battery replacement connector body (1), two high-voltage connection sockets (2), and two high-voltage connection plugs (3). The battery replacement connector body (1) is connected to two power jack components (4) through a shaft sleeve, one end of the power jack component (4) is an external jack end (41) exposed to a panel, and the other end is an internal jack end (42) in the vehicle body. The two high-voltage connection sockets (2) are threadedly connected to the inner side of the battery replacement connector body (1) and are connected to the middle of the power jack component (4) through a shaft sleeve, the outer connecting pipe (20) of the high-voltage connection socket (2) is coaxially sleeved by the internal jack end (42) to form a positioning ring hole (21), the outer connecting pipe (20) is provided with a plurality of self-locking members (22) capable of moving radially and at least one axial positioning key groove (23) on the inner wall. The high-voltage connection plug (3) is connected to a power terminal (6) and a high-voltage cable (5) through a shaft sleeve at both ends, the power terminal (6) is electrically connected to the high-voltage cable (5), the inner connecting pipe (30) of the high-voltage connection plug (3) is provided with a positioning ring groove (31) and at least one axial positioning key (32) on the outer wall, the two high-voltage connection plugs (3) are directly inserted into the two high-voltage connection sockets (2), the power terminal (6) is inserted into the internal jack end (42), the inner connecting pipe (30) is inserted into the positioning ring hole (21) of the outer connecting pipe (20), the positioning key (32) is connected to the positioning key groove (23), and the self-locking member (22) enters the positioning ring groove (31), thereby achieving self-locking positioning and quick insertion and quick replacement connection.

2. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 1, characterized in that, The outer connecting pipe (20) is provided with two axial positioning key grooves (23) with different widths, and the outer wall of the inner connecting pipe (30) is provided with two axial positioning keys (32) matched with the positioning key grooves (23).

3. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 2, characterized in that, The rear end of the power terminal (6) is vertically connected to the high-voltage cable (5), and by arranging the positioning key grooves (23) at different positions, the high-voltage cable (5) can be connected in multiple directions.

4. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 1, characterized in that, The self-locking member (22) is a self-locking ball, a plurality of circumferential radial through holes (201) of the outer connecting pipe (20) are connected to elastic locking holes (202) through interference, and the self-locking ball is installed in the elastic locking hole (202).

5. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 4, characterized in that, The front end of the elastic locking hole (202) is an open spherical groove, and the rear end hole diameter is lower than the ball diameter. Or the self-locking ball is a ceramic ball.

6. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 1, characterized in that, The circumferential outer wall of the spring sleeve (33) is uniformly provided with protrusions (34) for increasing friction.

7. The high-voltage wire harness quick-plug quick-change connector of claim 1, wherein, The disc base (24) of the two high-voltage connection sockets (2) is threadedly connected to the two connection grooves (100) of the floating seat (10) of the battery replacement connector body (1).

8. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 7, characterized in that, The disc base (24) has two circular arc ear blocks (25) and an axial positioning block (26), the positioning block (26) is connected to the rectangular groove (101) outside the connection groove (100), and the circular arc ear block (25) is connected to the circular arc groove (102) outside the connection groove (100).

9. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 1, characterized in that, An insulating rod (7) is arranged in the jack of the internal jack end (42), a central blind hole of the power terminal (6) is connected to an insulating cap (8), and the insulating rod (7) can be inserted into the insulating cap (8).

10. The high-voltage wire harness quick-plug quick-change type battery connector according to claim 1, characterized in that, The inner pipe (30) is integrally provided with a spring sleeve (33) for plugging and unplugging. The outer pipe (20) is provided with an inner sealing ring at the inner wall end.

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