Large-current cylinder-penetrating connector for realizing integration of motor and electric control

Abstract

The utility model relates to the technical field of connectors, in particular to a high-current cylinder-penetrating connector for realizing integration of a motor and electric control, which comprises an insulating shell, a copper bar is axially arranged in the insulating shell, two ends of the copper bar extend to the outside of the insulating shell, and a sealing component for reinforcing and sealing is arranged at the rear end of the insulating shell. A glue injection hole corresponding to the copper bar is formed in the insulating shell in a radial penetrating manner, so that a hollow area is formed in the copper bar, and glue is injected into the hollow area to form a glue part for wrapping the copper bar. According to the utility model, three-phase connection of the motor and the electric control is realized, the waterproof, dustproof and oil-proof functions are realized, the sealing stability is effectively ensured by the sealing component, and the airtightness failure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a high-current cylinder-penetrating connector that realizes the integration of a motor and an electric control. Background Art

[0002] The motors used in electric vehicles are usually three-phase AC motors. This type of connector needs to meet a large current capacity for a long time and needs to have three power terminals to connect to the motor. The existing technology is to fix the connector power terminals to the motor copper busbar with bolts, and the tail of the connector is connected to the electronic control module through a wiring harness.

[0003] The connector directly connects the electronic control to the motor, which will cause the cooling oil in the motor to enter the electronic control end through the connector. Therefore, the connector must not only be dustproof and waterproof, but also oil-proof.

[0004] The connection end between the connector and the electronic control is plug-in, which requires radial sealing. This will cause the sealing ring to be squeezed and move during the matching process of the connector and the electronic control, and the airtightness will fail after the sealing ring is displaced. Utility Model Content

[0005] The utility model aims to solve the above defects and provide a high-current through-cylinder connector that realizes the integration of motor and electronic control, realizes the integration of motor and electronic control, and has the functions of dust and oil proof.

[0006] In order to overcome the defects existing in the background technology, the technical solution adopted by the utility model to solve its technical problems is: a high-current through-cylinder connector that realizes the integration of motor and electronic control, including an insulating shell, a copper bar is axially arranged in the insulating shell, and both ends of the copper bar extend to the outside of the insulating shell, and a sealing component for reinforcing the seal is provided at the rear end of the insulating shell, and a glue injection hole corresponding to the copper bar is radially penetrated on the insulating shell to form a hollow area on the copper bar, and glue is injected into the hollow area to form a glue part that wraps the copper bar.

[0007] A further improvement includes embedding a motor end sealing ring for axial sealing at the front end of the insulating housing.

[0008] A further improvement includes setting the number of the copper bars to 3 or 6.

[0009] A further improvement includes providing a plurality of notches on the copper busbar, wherein the notches are symmetrically distributed and are located inside the insulating shell.

[0010] A further improvement includes that both ends of the copper bar extend into connection grooves provided in the open air at both ends of the insulating shell, and nuts for radial connection are riveted to both ends of the copper bar, and the nuts are located in the insulating shell.

[0011] A further improvement includes that the sealing component comprises an electric control end sealing ring and a back cover, the electric control end sealing ring and the back cover are sequentially sleeved on the rear end of the insulating shell, the back cover is detachably connected to the rear end of the insulating shell, and the back cover covers one side of the electric control end sealing ring.

[0012] A further improvement includes radially arranging a plurality of sealing ring positioning posts on the insulating housing, wherein the sealing ring positioning posts are respectively embedded in positioning holes provided on the sealing ring of the electric control end.

[0013] A further improvement includes distributing a plurality of hooks A and hooks B on the inner side of the electric control end sealing ring, and when the insulating shell and the back cover are assembled, the hook A is inserted into a corresponding fixing groove A on the insulating shell, and the hook B is inserted into a corresponding fixing groove B on the insulating shell.

[0014] A further improvement includes that the protruding extension formed in the sealing ring of the electric control end is clamped into a clamping groove opened circumferentially on the insulating shell, and the clamping groove is connected to the fixing groove B so that the hook B clamps the protruding extension.

[0015] A further improvement includes a metal panel radially arranged on the insulating shell for installing and fixing, and the metal panel is located on one side of the rear end of the insulating shell, bolt holes and pin holes are opened on the metal panel, and the metal panel is provided with a bolt extension portion radially extending in the shape of the bolt hole contour and a positioning extension portion radially extending in the shape of the pin hole contour, and the bolt extension portion is located inside the insulating shell.

[0016] The beneficial effects of the utility model are as follows: the design realizes the three-phase connection of the motor and the electronic control, has the functions of being waterproof, dustproof and oilproof, and the sealing component effectively ensures the stability of the seal and avoids airtight failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is an axial side view of the utility model;

[0019] Figure 2 yes Figure 1 Middle A: Enlarged view;

[0020] Figure 3 yes Figure 1 Middle C enlarged image;

[0021] Figure 4 yes Figure 1 Middle B: Enlarged view;

[0022] Figure 5 yes Figure 1 Middle E: Enlarged image;

[0023] Figure 6 yes Figure 1 Middle D enlarged image;

[0024] Figure 7 This is the front view of the aluminum row in the utility model;

[0025] Figure 8 It is an axial side view of the metal panel in the utility model;

[0026] Fig. 9 It is a top view of the utility model;

[0027] Fig.10 It is the front view of the utility model;

[0028] Fig.11 yes Fig.10 Cross-sectional view of the middle FF;

[0029] Fig.12 yes Fig.11 Middle M enlarged image;

[0030] Fig.13 yes Fig.10 Cross-sectional view of middle GG;

[0031] Fig.14 yes Fig.13 Middle N enlarged image;

[0032] Fig.15 yes Fig.10 Cross-sectional view of middle HH;

[0033] Fig.16 yes Fig.15 Middle W enlarged image;

[0034] In the figure, 1-insulating shell, 2-connecting groove, 3-electric control end sealing ring, 4-back cover, 5-metal panel, 6-card slot, 7-fixing groove A, 8-fixing groove B, 9-positioning hole, 10-sealing ring positioning column, 11-hook B, 12-hook A, 13-copper busbar, 14-notch, 15-motor end sealing ring, 16-glue injection hole, 17-glue part, 18-nut, 19-raised extension, 501-bolt extension, 502-positioning extension, 503-bolt hole, 504-pin hole. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The embodiments in the basic utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] according to Figure 1 and Fig.15 As shown, a high-current through-cylinder connector for integrating a motor and an electronic control comprises an insulating shell 1, wherein the front end of the insulating shell 1 is connected to the motor end, and the rear end is connected to the electronic control end. The insulating shell 1 is preferably made of PA plastic (nylon, polyamide). A copper bar 13 is axially arranged in the insulating shell 1. The copper bar 13 is injection-molded by the insulating shell 1, and both ends of the copper bar 13 extend to the outside of the insulating shell 1 for connecting the motor and the electronic control. A sealing component for reinforcing the seal is provided at the rear end of the insulating shell 1. The sealing component is used to seal the electronic control end to ensure the stability of the seal and prevent external moisture and dust from entering.

[0037] according to Fig. 9 As shown, a motor end sealing ring 15 for axial sealing is embedded in the front end of the insulating housing 1, and the motor end sealing ring 15 is used to prevent water vapor and dust from entering the interior of the motor.

[0038] according to Fig.10 , Fig.15 and Fig.16 As shown, the insulating shell 1 is radially penetrated with glue injection holes 16 corresponding to the copper busbar 13, so that a hollow area is formed on the copper busbar 13, and glue is injected into the hollow area to form a glue portion 17 that wraps the copper busbar 13, so as to prevent oil from seeping out of the insulating shell 1 along the copper busbar 13 or entering the electrical control end of the connector, and at the same time play an insulating role.

[0039] according to Figure 7 As shown, the number of the copper bars 13 is set to 3 or 6, and 3 copper bars 13 are selected to realize that the electric control is connected to the three-phase motor through the connector, and 6 copper bars are preferably used to realize that the electric control is connected to the three-phase motor and the three-phase generator through the connector at the same time, and the generator can output current to the outside through the copper bars 13, and the electric control can input current to the motor through the connector.

[0040] according to Figure 1 and Fig.15As shown, both ends of the copper busbar 13 extend into the connecting grooves 2 provided in the open air at both ends of the insulating shell 1, and both ends of the copper busbar 13 are riveted with nuts 18 for radial connection, and the nuts 18 are located in the insulating shell 1. This embodiment allows the motor end and the electric control end to be connected and fixed to the copper busbar 13 of the connector using bolts.

[0041] according to Figure 7 As shown, a plurality of notches 14 are provided on the copper busbar 13, and the notches 14 are symmetrically distributed. The notches 14 are located in the insulating housing 1, and the plastic molding covering the copper busbar 13 can effectively play a role in fixing and preventing movement.

[0042] according to Figure 1 , Figure 8 As shown, the insulating shell 1 is radially provided with a metal panel 5 for mounting and fixing, and the metal panel 5 is located at one side of the rear end of the insulating shell 1 , and the insulating shell 1 and the metal panel 5 are integrally injection molded.

[0043] The metal panel 5 is provided with a bolt hole 503 and a pin hole 504, and is provided with a bolt extension portion 501 radially extending from the outline of the bolt hole 503 and a positioning extension portion 502 radially extending from the outline of the pin hole 504. The metal panel 5 is integrally formed with the bolt extension portion 501 and the positioning extension portion 502, and the bolt extension portion 501 is located in the insulating shell 1, and a bolt can be inserted into the bolt extension portion 501 for installation, and a positioning pin is inserted into the positioning extension portion 502 to play a positioning role during installation. The positioning extension portion 502 has a strengthening function for the positioning pin, wherein the bolt extension portion 501 eliminates the need for a traditional bolt bushing, and this structural design can maximize the use of materials. The design of the metal panel 5 is to increase the fixing strength between the connector and the motor mounting surface, and to prevent damage to the connector during the bolt fixing process.

[0044] according to Figure 1 As shown, the sealing component includes an electric control end sealing ring 3 and a back cover 4, the electric control end sealing ring 3 and the back cover 4 are sequentially sleeved on the rear end of the insulating shell 1, the back cover 4 is detachably connected to the rear end of the insulating shell 1, and the back cover 4 covers one side of the electric control end sealing ring 3. The above embodiment is used for radial sealing, and the back cover 4 can effectively prevent the electric control end sealing ring 3 from falling off.

[0045] according to Figure 3 , Figure 4 , Fig.15 and Fig.16As shown, a plurality of sealing ring positioning columns 10 are radially arranged on the insulating housing 1, and the sealing ring positioning columns 10 are respectively embedded in the positioning holes 9 opened on the electric control end sealing ring 3, so as to effectively prevent the sealing ring from being squeezed and moving during the matching process, and avoid the problem of airtight failure after the sealing ring is shifted.

[0046] according to Figure 2 , Figure 5 , Figure 6 , Fig.11 , Fig.12 , Fig.13 and Fig.14 As shown, a plurality of hooks A12 and hooks B11 are distributed on the inner side of the electric control end sealing ring 3. When the insulating shell 1 and the back cover 4 are assembled, the hook A12 is inserted into the corresponding fixing groove A7 on the insulating shell 1, and the hook B11 is inserted into the corresponding fixing groove B8 on the insulating shell 1. By adopting the above embodiment, the double locking connection between the insulating shell 1 and the back cover 4 is realized, the back cover 4 is restricted from being pulled out, and the sealing ring is prevented from falling off.

[0047] According to the figure, the raised extension 19 formed in the electric control end sealing ring 3 is inserted into the card slot 6 opened circumferentially on the insulating shell 1, and the card slot 6 is connected to the fixed slot B8, so that the hook B11 clamps the raised extension 19, further preventing the sealing ring from being squeezed and moving during the mating process.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high current through-cylinder connector that realizes the integration of motor and electronic control, characterized in that: The invention comprises an insulating shell (1), wherein a copper bar (13) is axially arranged in the insulating shell (1), and both ends of the copper bar (13) extend to the outside of the insulating shell (1), and a sealing component for reinforcing the seal is provided at the rear end of the insulating shell (1), and a glue injection hole (16) corresponding to the copper bar (13) is radially penetrated on the insulating shell (1) to form a hollow area on the copper bar (13), and glue is injected into the hollow area to form a glue part (17) that wraps the copper bar (13).

2. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 1, characterized in that: A motor end sealing ring (15) for axial sealing is embedded in the front end of the insulating housing (1).

3. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 2, characterized in that: The number of the copper bars (13) is set to 3 or 6.

4. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 3, characterized in that: Both ends of the copper bar (13) extend into connection grooves (2) disposed in the open air at both ends of the insulating housing (1), and nuts (18) for radial connection are riveted to both ends of the copper bar (13), and the nuts (18) are located in the insulating housing (1).

5. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 4, characterized in that: The sealing component comprises an electric control end sealing ring (3) and a rear cover (4), wherein the electric control end sealing ring (3) and the rear cover (4) are sequentially sleeved on the rear end of the insulating housing (1), the rear cover (4) is detachably connected to the rear end of the insulating housing (1), and the rear cover (4) covers one side of the electric control end sealing ring (3).

6. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 5, characterized in that: A plurality of sealing ring positioning columns (10) are radially arranged on the insulating housing (1), and the sealing ring positioning columns (10) are respectively embedded in positioning holes (9) provided on the electric control end sealing ring (3).

7. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 6, characterized in that: A plurality of hooks A (12) and hooks B (11) are distributed on the inner side of the electric control end sealing ring (3); when the insulating housing (1) and the rear cover (4) are assembled, the hooks A (12) are inserted into corresponding fixing grooves A (7) on the insulating housing (1), and the hooks B (11) are inserted into corresponding fixing grooves B (8) on the insulating housing (1).

8. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in claim 7, characterized in that: The protruding extension (19) formed in the electric control end sealing ring (3) is inserted into a slot (6) opened circumferentially on the insulating housing (1), and the slot (6) is connected to the fixing slot B (8) so that the hook B (11) clamps the protruding extension (19).

9. A high current through-cylinder connector for realizing the integration of motor and electronic control as claimed in any one of claims 1 to 8, characterized in that: The insulating housing (1) is radially provided with a metal panel (5) for mounting and fixing, and the metal panel (5) is located at one side of the rear end of the insulating housing (1), a bolt hole (503) and a pin hole (504) are provided on the metal panel (5), and a bolt extension portion (501) radially extending from the outline of the bolt hole (503) and a positioning extension portion (502) radially extending from the outline of the pin hole (504) are provided on the metal panel (5), and the bolt extension portion (501) is located inside the insulating housing (1).

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