CN220628356U - Quick-charging and replacement electric connector - Google Patents

Abstract

The utility model discloses a quick-charging and replacing electric connector, which comprises a fixed end and a quick-replacing end, wherein the fixed end comprises a fixed end shell, a plurality of isolation spring pads are symmetrically arranged on two sides of the fixed end shell, a floating plate is movably connected to the fixed end shell through the isolation spring pads, a plurality of high-voltage pole mounting seats are arranged on the fixed end shell, a first spring is arranged in the floating plate, the pole mounting seats are movably connected with a first high-voltage pole through the first spring, a low-voltage pole mounting seat and a grounding pole mounting seat are also arranged on the floating plate, a plurality of second springs are arranged in the low-voltage pole mounting seat, the second springs are movably connected with a first low-voltage pole, a third spring is arranged in the grounding pole mounting seat, and the third spring is movably connected with a grounding pole.

Description

Quick-charging and replacement electric connector

Technical Field

The utility model relates to the field of a power conversion connector, in particular to a quick-charging power conversion connector capable of being stably connected and guaranteeing working stability.

Background

Along with the rapid development of new energy automobiles in recent years, the use amount of the electric replacement connector is larger and larger, the variety demand is more and more abundant, the existing electric replacement connector generally adopts a butt joint mode with higher precision at a fixed end and an electric replacement end, although the stability of the electric replacement connector in working can be ensured, the electric replacement connector needs to be more stably butted in the butt joint process, the butt joint process is longer, and after long-time use, the electric replacement is required as the performance of parts is declined, the electric replacement connector generally cannot be used with high reliability, and the after-sale use cost is greatly increased. There is an urgent need to develop a high reliability, low cost electrical replacement connector.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a quick-charging and replacing electric connector, which can realize quick butt joint through a non-rigid contact structure, and simultaneously realize sealing through the structure, thereby ensuring the stability of the performance of the components after long-time use.

In order to achieve the above purpose, the utility model provides a quick-charging and replacing electric connector, which comprises a fixed end and a quick-replacing end, wherein the fixed end comprises a fixed end shell, a plurality of isolation spring pads are symmetrically arranged on two sides of the fixed end shell, the fixed end shell is movably connected with a floating plate through the plurality of isolation spring pads, a plurality of high-voltage pole mounting seats are arranged on the floating plate, a first spring is arranged in the pole mounting seats, and the pole mounting seats are movably connected with a first high-voltage pole through the first spring;

the floating plate is further provided with a low-voltage pole mounting seat and a grounding pole mounting seat, a plurality of second springs are arranged in the low-voltage pole mounting seat, the low-voltage pole mounting seat is movably connected with a plurality of first low-voltage poles through the plurality of second springs, a third spring is arranged in the grounding pole mounting seat, and the grounding pole mounting seat is movably connected with a grounding pole through the third spring.

Further, the both sides of stiff end shell are provided with the fluting respectively, are provided with the tower spring in the fluting, and the other end and the floating plate butt of tower spring to realize that the tower spring resets the floating plate of change position.

Further, the fixed end also comprises a sealing ring, and the sealing ring surrounds the floating plate and the periphery side of the fixed end shell.

Further, the quick-change end comprises a quick-change end shell, a high-voltage insulating part is arranged at the position, opposite to the pole mounting seat, of the quick-change end shell, and a second high-voltage pole used for being abutted with the first high-voltage pole is arranged in the high-voltage insulating part.

Further, a Wen Tan sensor for detecting temperature rise of the first high-voltage pole and the second high-voltage pole during operation is arranged in the second high-voltage pole.

Further, guide posts for guiding the butt-joint installation of the fixed end and the quick-change end are arranged on two sides of the floating plate.

Further, a guide sleeve for limiting the sliding direction of the guide post is arranged on the quick-change end shell.

Further, be provided with the low voltage insulation spare on the quick change end shell, be provided with a plurality of second low voltage post that are used for with first low voltage post butt in the low voltage insulation spare.

Further, the quick-change end shell is provided with a ring groove, and when the quick-change end is in butt joint with the fixed end, the sealing ring is in sealing nested connection with the ring groove.

Further, the surface of first high-voltage pole tip is provided with and touches the finger spring to the stability of connection when guaranteeing first high-voltage pole and the butt of second high-voltage pole.

The beneficial effects of the utility model are as follows:

1. through movably mounting the floating plate on the fixed end shell through the isolation spring pad, the allowable displacement of the first high-voltage pole is realized when the fixed end is in butt joint with the quick-change end, the requirement on the butt joint precision is reduced, and the quick-speed butt joint can be realized;

2. through set up the sealing washer in the junction of stiff end and quick change end, can guarantee under the connector butt joint state that the inside of connector is sealing state, avoid corrosivity material in water and the air to corrode a plurality of utmost point posts under the switch-on state, effectively prolong the life of connector.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.

FIG. 1 is a schematic cross-sectional view of a fixed end of a connector according to the present embodiment;

FIG. 2 is a schematic cross-sectional view of a quick-change end of the connector according to the present embodiment;

FIG. 3 is a schematic view showing the installation position of the tower spring in the present embodiment;

FIG. 4 is a schematic view of the structure of the connecting surface of the fixed end of the present embodiment;

fig. 5 is a schematic view of a connection surface structure of the quick-change end in this embodiment.

Reference numerals:

1. a fixed end housing; 2. a floating plate; 3. a seal ring; 4. a guide post; 5. a high voltage pole mounting base; 6. a first spring; 7. a first high voltage post; 8. a finger spring; 9. a grounding electrode post mounting seat; 10. a third spring; 11. a ground post; 12. a low voltage pole mount; 13. a second spring; 14. a first low voltage post; 15. an isolation spring pad; 16. a tower spring; 17. a silica gel protective sleeve; 18. 95 square copper braid; 20. a 95 square high voltage socket; 22. A ground cable; 23. a grounding conducting column; 25. A pressure release valve; 26. a low voltage cable; 27. a low voltage outlet; 28. a quick-change end housing; 29. sealing grooves; 30. a guide sleeve; 31. a high voltage insulator; 32. a second high voltage post; 33. wen Tan sensor; 34. a low voltage insulator; 35. a second low voltage post; 36. grounding riveting pole; 37. a low voltage harness; 38. a low voltage plug; 39. a 95 square high voltage shielded wire.

Description of the embodiments

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Please refer to fig. 1, 3 and 4, a quick-charging and replacing connector is composed of a fixed end and a quick-replacing end, wherein the fixed end is fixedly arranged on an external fixing structure, such as a car body, a battery compartment and the like, in a scene that the battery needs to be disassembled, and the quick-replacing end is fixedly arranged on the battery so as to realize the disassembly and the assembly of the battery by connecting and disconnecting the quick-replacing end and the fixed end. Meanwhile, a low-voltage communication module is integrated, so that communication and power supply integration is realized. The mechanism of the electric connector is high in dustproof and waterproof performance, and the service life of the electric connector can be effectively prolonged. Specifically, the stiff end includes stiff end shell 1, and stiff end shell 1's bilateral symmetry is provided with a plurality of isolation bullet pads 15, and stiff end shell 1 has floating plate 2 through isolation bullet pad 15 swing joint, and floating plate 2 forms the structure that has the inner chamber with stiff end shell 1. In this non-limiting embodiment, the isolation spring pad 15 is made of polytetrafluoroethylene, has good lubricity and physical properties, has certain elasticity, and can slow down the pressure generated by collision in the process of involution of the floating plate 2, meanwhile, can ensure a certain gap when the floating plate 2 and the fixed end shell 1 relatively move on the Z, Y shaft, has small floating resistance, and prevents metal dust generated by long-term friction of two planes, thereby influencing the product performance.

In order to ensure that the floating plate 2 can reset after being in butt joint, one side of the floating plate 2, which is positioned at the installation position of the isolation spring pad 15, is provided with a tower spring 16 for resetting, and two ends of the tower spring 16 are respectively in butt joint with the fixed end shell 1 and the floating plate 2. Guide posts 4 are respectively arranged on two sides of the floating plate 2, which are close to the tower springs 16, so as to limit the offset of the floating plate 2 in the butt joint process and ensure the smoothness of the butt joint process.

For realizing the transmission of electric power, be provided with high-voltage pole mount pad 5 on the floating plate 2, in this non-limiting embodiment, battery power supply needs two high-voltage lines, consequently, be provided with two high-voltage pole mount pads 5 on the floating plate 2, be provided with first high-voltage pole 7 and first spring 6 in the high-voltage pole mount pad 5, the both ends of first spring 6 respectively with high-voltage pole mount pad 5 and first high-voltage pole 7 butt, realize that first high-voltage pole 7 can realize displacement on the Z axle through first spring 6 when receiving external force extrusion, can effectively avoid hard contact. Meanwhile, in order to ensure that electric quantity transmission can still be stably carried out when the first high-voltage pole 7 generates displacement, the end part of the first high-voltage pole 7 is provided with a contact finger spring 8 so as to ensure that connection stability can be ensured when the first high-voltage pole 7 is extruded to generate position deviation, one end of the first high-voltage pole 7 penetrating out of the high-voltage pole mounting seat 5 is connected with a 95-side copper braid belt 18, and likewise, the fixed end shell 1 is provided with two 95-side high-voltage sockets 20, and the 95-side copper braid belt 18 is connected with the 95-side high-voltage sockets 20, so that external power supply is realized. In order to avoid the corrosion of the 95 square copper braid 18 by harmful substances, a silica gel protective sleeve 17 is arranged between the connection of the 95 square high-voltage socket 20 and the high-voltage pole mounting seat 5, and the silica gel protective sleeve 17 is coated with the 95 square copper braid 18.

The floating plate 2 is further provided with a grounding electrode post 11 mounting seat 9, a third spring 10 and a grounding electrode post 11 are arranged in the grounding electrode post 11 mounting seat 9, two ends of the third spring 10 are in butt joint with the grounding electrode post 11 mounting seat 9 and the grounding electrode post 11, so that when the grounding electrode post 11 is extruded, the grounding electrode post 11 realizes pressure resolution through compressing the third spring 10, and hard contact is avoided. The fixed end shell 1 is provided with a grounding conducting column 23, the grounding conducting column 23 is connected with a grounding cable 22, and the grounding cable 22 is connected with the grounding electrode column 11 in a conducting way. One side of the floating plate 2, which is positioned on the installation seat 9 of the grounding pole 11, is provided with a low-voltage pole installation seat 12, a plurality of second springs 13 and low-voltage poles are arranged in the low-voltage pole installation, and each second spring 13 is sleeved on one low-voltage pole, so that hard contact can be avoided when the low-voltage pole is extruded, and the service life is effectively prolonged. The low-voltage poles are respectively connected with a low-voltage cable 26, a low-voltage socket 27 is arranged on the fixed end shell 1, and the low-voltage cable 26 is connected with the low-voltage socket 27 so as to realize connection to an external low-voltage control circuit. The low-voltage socket 27 is assembled with the fixed-end housing 1 to be dustproof and waterproof.

In order to ensure the movable connection between the floating plate 2 and the fixed end shell 1, the floating plate 2 and the fixed end shell 1 are of a separated structure, so dust or water vapor possibly enters the inner cavity in the using process, ring grooves are formed in the peripheral sides of the fixed end shell 1 and the floating plate 2, sealing rings 3 are embedded in the ring grooves to ensure that the inner cavity is isolated from the outside, and the inner cavity is in a relatively sealed state at the moment and is not easy to separate during disassembly and maintenance, so that a pressure relief valve 25 is arranged on the fixed end shell 1 to ensure that the inner cavity can be simply disassembled.

Please refer to fig. 2 and fig. 5, which are structures of the quick-change end, specifically, the quick-change end includes a quick-change end housing 28, a sealing groove 29 is provided on a peripheral side of the quick-change end housing 28, and after the quick-change end is abutted to the fixed end, an end portion of the sealing ring 3 is embedded into the sealing groove 29, so as to realize that a butt joint of the quick-change end and the fixed end is kept sealed. The quick-change end housing 28 is provided with a guide sleeve 30 at a position corresponding to the guide post 4 to limit the butt joint direction of the quick-change end and the fixed end by limiting the sliding direction of the guide post 4. The guide sleeve 30 quick-change end shell 28 is provided with a high-voltage insulating part 31 corresponding to the position of the high-voltage pole mounting seat 5, a second high-voltage pole 32 is arranged in the high-voltage insulating part 31, and the second high-voltage pole 32 is far away from the butt joint end of the second high-voltage pole 32 and is connected with a 95-square high-voltage shielding cable 39 so as to realize butt joint transmission of electric energy through the first high-voltage pole 7 and the second high-voltage pole 32. In order to realize real-time grasping of the working state of the electrical replacement connector in the process of use after docking, the second high-voltage pole 32 is embedded with a Wen Tan sensor 33 for detecting temperature. The quick-change end housing 28 is provided with a low-voltage insulating member 34 corresponding to the position of the low-voltage pole mounting seat 12, and the low-voltage insulating member 34 is internally provided with second low-voltage poles 35 the same in number as the first low-voltage poles 14. After the second low voltage pole 35 is installed in place, epoxy glue is poured into the low voltage insulator 34 to achieve IP68 dust and water resistance of the low voltage insulator 34. The plurality of second low voltage poles 35 are connected with a low voltage harness 37 at one end thereof remote from the connection end, and the end connection of the low voltage harness 37 is provided with a low voltage plug 38 for connection to an external low voltage line. The quick-change end shell 28 is provided with a grounding rivet pole 36 corresponding to the grounding pole 11 for connecting the grounding pole 11.

To sum up, through setting up first high-voltage polar post 7 at the stiff end, set up second high-voltage polar post 32 at the quick-change end, can realize the transmission of electric energy, set up first low-voltage polar post 14 at the stiff end simultaneously, set up second low-voltage polar post 35 at the quick-change end, realize the connection of low pressure communication, foretell first high-voltage polar post 7 and first low-voltage polar post 14 support through mobilizable floating plate 2, can have certain movable range when stiff end and quick-change end butt joint, have great latitude to the accuracy of butt joint, can effectively promote the success rate of butt joint, guarantee the stability of connector work.

It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above-described utility model will be apparent to those of skill in the art, and are still within the scope of the utility model.

Claims (10)

1. The quick-charging and quick-changing electric connector is characterized in that the fixed end comprises a fixed end shell, a plurality of isolation spring pads are symmetrically arranged on two sides of the fixed end shell, the fixed end shell is movably connected with a floating plate through a plurality of isolation spring pads, a plurality of high-voltage pole mounting seats are arranged on the floating plate, a first spring is arranged in the pole mounting seats, and the pole mounting seats are movably connected with first high-voltage poles through the first springs;

the floating plate is further provided with a low-voltage pole mounting seat and a grounding pole mounting seat, a plurality of second springs are arranged in the low-voltage pole mounting seat, the low-voltage pole mounting seat is movably connected with a plurality of first low-voltage poles through a plurality of second springs, a third spring is arranged in the grounding pole mounting seat, and the grounding pole mounting seat is movably connected with a grounding pole through the third spring.

2. The quick-change electrical connector of claim 1, wherein slots are respectively provided on both sides of the fixed end housing, a tower spring is provided in the slots, and the other end of the tower spring abuts against the floating plate to reset the floating plate with a changed position.

3. The quick charge electrical connector as recited in claim 1, wherein the fixed end further comprises a seal ring disposed around a perimeter of the floating plate and fixed end housing.

4. The quick-change electrical connector of claim 3, wherein the quick-change end comprises a quick-change end housing, a high-voltage insulator is disposed on the quick-change end housing at a position opposite to the pole mount, and a second high-voltage pole for abutting with the first high-voltage pole is disposed in the high-voltage insulator.

5. The quick charge and quick change electrical connector of claim 4, wherein a Wen Tan sensor is disposed within the second high voltage pole for detecting an increase in temperature of the first and second high voltage poles during operation.

6. The quick charge and quick change electrical connector as recited in claim 4, wherein the floating plate is provided on both sides with guide posts for guiding the butt-mounting of the fixed end and the quick change end.

7. The quick-change electrical connector of claim 6, wherein the quick-change end housing is provided with a guide sleeve for limiting the sliding direction of the guide post.

8. The quick-change electrical connector of claim 4, wherein the quick-change end housing is provided with a low voltage insulator, and wherein the low voltage insulator is provided with a plurality of second low voltage poles for abutting the first low voltage poles.

9. The quick-change electrical connector of claim 4, wherein the quick-change end housing is provided with a ring groove, and wherein the seal ring is sealingly nested with the ring groove when the quick-change end is mated with the fixed end.

10. The quick charge and replacement electrical connector of claim 4 wherein a contact finger spring is provided on a surface of the first high voltage pole end to ensure stable connection when the first high voltage pole abuts the second high voltage pole.