Metal plug connector compatible with welding and crimping terminals

Abstract

The utility model discloses a metal plug connector compatible with welding and crimping terminals, which comprises a 90-degree outgoing plug shell, an insulator in front of a hole, an insulator behind the hole, a jack assembly and a connecting terminal, and is characterized in that the connecting terminal is arranged in the insulator behind the hole and is inserted into one end in the plug shell along with the insulator behind the hole; a locking nut is axially and vertically embedded in the post-hole insulator; one end of the jack assembly passes through the connection terminal and is connected with the locking nut, and is installed at the other end in the plug housing in a limited manner through the in-hole insulator. The metal plug connector is connected with the jack assembly through the locking nut, current transmission between the jack assembly and the connecting terminal is achieved, the metal plug connector is not directly fixed to the jack assembly, the connecting terminal can be replaced at any time, the metal plug connector can be suitable for various connecting terminals, and the compatibility of the connector to different connecting modes of cables is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a metal plug connector compatible with welding and crimping terminals. Background Art

[0002] With the continuous development of the new energy vehicle industry, competition among manufacturers has reached a fierce stage. The vehicles themselves have higher and higher requirements for cable connections and wiring methods. The connection methods between cables and terminals include two transfer methods: crimping and ultrasonic welding. However, connectors using crimping or ultrasonic welding transfer methods cannot be shared, resulting in a waste of resources. This is a technical problem that cannot be solved at present. Utility Model Content

[0003] The purpose of the utility model is to provide a metal plug connector that is compatible with welding and crimping terminals, which is used to solve the technical problem that the connector in the prior art is not suitable for the two transfer methods of crimping and ultrasonic welding, and broadens the connection methods that the connector can accept when transferring cables under the same wire diameter, thereby improving the selection range of high-voltage connectors for new energy vehicles.

[0004] The utility model solves the above problems through the following technical solutions:

[0005] A metal plug connector compatible with welding and crimping terminals comprises a plug housing with 90° outlet, a front-hole insulator, a rear-hole insulator, a jack assembly and a connecting terminal, wherein the connecting terminal is arranged in the rear-hole insulator and inserted into one end of the plug housing along with the rear-hole insulator; a locking nut is axially and vertically embedded in the rear-hole insulator, one end of the jack assembly passes through the connecting terminal and is connected to the locking nut, and is limitedly installed at the other end of the plug housing through the front-hole insulator to ensure current transmission between the jack assembly and the connecting terminal.

[0006] As a further improvement, the metal plug connector is also provided with a plug sealing body and a plug tail cover, the plug tail cover is snap-connected to the plug housing, and the plug sealing body is pressed into the plug tail cover and abuts against the insulator behind the hole.

[0007] As a further improvement, the front-hole insulator and the plug housing are fixed by a combination screw.

[0008] As a further improvement, a plug sealing ring is arranged in the plug housing for sealing with the mounting surface.

[0009] As a further improvement, the plug housing is connected to the mounting surface via plug mounting bolts.

[0010] As a further improvement, the plug mounting bolt is also sleeved with a corrugated elastic washer and a flat washer, so that the plug mounting bolt, the corrugated elastic washer and the flat washer are assembled and installed in the plug housing to achieve locking with the mounting surface.

[0011] As a further improvement, the connecting terminal is a crimping terminal or a welding terminal.

[0012] As a further improvement, a shielding wire assembly is further arranged in the plug housing, and the shielding wire assembly is arranged outside the rear end of the hole rear insulator and abuts against the plug sealing body.

[0013] As a further improvement, the shielding wire assembly includes a shielding sleeve, a shielding ring and a shielding retaining ring. The shielding ring is arranged outside the shielding sleeve, and the shielding retaining ring is located at the rear end of the shielding sleeve.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] This metal plug connector is suitable for two-core high-current 90° outlet lines. It is connected to the jack component through a locking nut to achieve current transmission between the jack component and the connecting terminal. It is not directly fixed to the jack component, and the connecting terminal can be replaced at any time, making it applicable to a variety of connecting terminals. It is threadedly locked with the jack component to ensure the stability of the outlet transfer current, improve the compatibility of the connector with different cable connection methods, and has a wider applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an exploded schematic diagram of the metal plug connector of Example 1.

[0017] Figure 2 Schematic cross-sectional view of the metal plug connector of Example 1.

[0018] Figure 3 This is an exploded schematic diagram of the metal plug connector of Example 2.

[0019] Figure 4 Schematic cross-sectional view of the metal plug connector of Example 2.

[0020] Reference numerals:

[0021] 1. Plug sealing gasket; 2. Signal plug; 3. Combination screw; 4. Insulator in front of the hole; 5. Jack assembly; 6. Plug housing; 7. Flat washer; 8. Wave elastic washer; 9. Plug mounting bolt; 10. Insulator in the back of the hole; 11. Lock nut; 12. Crimping terminal; 13. Plug wire sealing body; 14. Plug tail cover; 15. Welding terminal; 16. Shielding sleeve; 17. Shielding ring; 18. Shielding retaining ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] Combined with Figure 1-2 As shown, a metal plug connector compatible with welding and crimping terminals includes a plug housing 6 with 90° outlet, a front-hole insulator 4, a rear-hole insulator 10, a jack assembly 5 and a crimping terminal 12, wherein the crimping terminal 12 is arranged in the rear-hole insulator 10 and inserted into one end of the plug housing 6 along with the rear-hole insulator 10; a locking nut 11 is axially and vertically embedded in the rear-hole insulator 10, one end of the jack assembly 5 passes through the crimping terminal 12 and is connected to the locking nut 11, and is limitedly installed at the other end of the plug housing 6 through the front-hole insulator 4 to ensure current transmission between the jack assembly and the connecting terminal.

[0025] Optionally, the metal plug connector is also provided with a plug sealing body 13 and a plug tail cover 14. The plug tail cover 14 is connected to the plug housing 6 by a snap, and the plug sealing body 13 is pressed into the plug tail cover 14 and abuts against the rear insulator 10 to seal the cable.

[0026] Further optionally, a plurality of screw holes are formed on the front insulator 4, and the combination screw 3 is fixed to the plug housing 6 through the screw holes to install the jack assembly 5 in the plug housing 6. A plug sealing ring 1 is also provided at one end of the jack assembly 5 inserted in the plug housing 6 to achieve sealing with the mounting surface. In addition, a plurality of bolt holes are formed on the plug housing, and the plug mounting bolts 9 are connected to the mounting surface through the bolt holes.

[0027] In this embodiment, as a preference, a corrugated elastic washer 8 and a flat washer 7 are also sleeved on the plug mounting bolt 9, so that the plug mounting bolt 9, the corrugated elastic washer 8 and the flat washer 7 are assembled and installed in the plug housing 6 and locked with the mounting surface.

[0028] The installation process is:

[0029] First, install the locking nut 11 into the rear insulator 10, crimp the crimping terminal 12 and the cable and install them into the plug housing 6, and install the plug sealing body 13 and the plug tail cover into the plug housing 6 in sequence; install the jack assembly 5 into the rear front insulator 4, and then install the front insulator into the metal plug housing; the crimping terminal 12 and the jack assembly 5 are locked with the locking nut in the rear insulator through the threaded end of the rear of the jack assembly to ensure close contact between the terminal and the jack assembly and realize reliable transmission of current; the plug sealing body 13 and the plug tail cover 14 are installed on the cable at the rear of the plug housing to ensure the sealing protection level. The signal plug 2 is inserted into the middle of the front hole insulator 4, and the front hole insulator 4 is installed in the plug housing 6 to prevent the jack assembly 5 from retreating and realize insulation protection; the combination screw 3 is installed in the front hole insulator 4 and locked with the plug housing 6 to prevent the front hole insulator 4 from falling off; the plug sealing ring 1 is installed in the groove in the plug housing 6, and then installed in the plug housing 6 through the combination of the plug mounting bolt 9, the corrugated elastic washer 8 and the flat washer 7 to realize locking installation with the mounting surface.

[0030] Example 2

[0031] Combined with Figure 3-4 As shown, a metal plug connector compatible with welding and crimping terminals includes a plug housing 6 with 90° outlet, a front-hole insulator 4, a rear-hole insulator 10, a jack assembly 5 and a welding terminal 15. The welding terminal 15 is arranged in the rear-hole insulator 10 and is inserted into one end of the plug housing 6 along with the rear-hole insulator 10; a locking nut 11 is axially and vertically embedded in the rear-hole insulator 10, one end of the jack assembly 5 passes through the welding terminal 15 and is connected to the locking nut 11, and is limitedly installed at the other end of the plug housing 6 through the front-hole insulator 4 to ensure current transmission between the jack assembly and the connecting terminal.

[0032] As can be seen from the above, the metal plug connector in this embodiment and the metal plug connector in Embodiment 1 only need to replace the welding terminals and the crimping terminals to adapt to the two conversion methods of crimping and ultrasonic welding.

[0033] Of course, a shielding wire assembly can also be set in the metal plug connector. The shielding wire assembly is arranged outside the rear end of the insulator behind the hole and is against the plug wire sealing body; the shielding wire assembly includes a shielding sleeve 16, a shielding ring 17 and a shielding retaining ring 18. The shielding ring 17 is sleeved outside the shielding sleeve 16, and the shielding retaining ring 18 is located at the rear end of the shielding sleeve 16, so as to shield and protect the connection between the welding terminal 15 or the crimping terminal 12 and the cable through the shielding wire assembly.

[0034] Although the present invention is described herein with reference to the illustrative embodiments of the present invention, the above embodiments are merely preferred embodiments of the present invention, and the embodiments of the present invention are not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A metal plug connector compatible with welding and crimping terminals, characterized in that: It includes a plug housing with 90° outlet, a front hole insulator, a rear hole insulator, a jack assembly and a connecting terminal. The connecting terminal is arranged in the rear hole insulator and inserted into one end of the plug housing along with the rear hole insulator. A locking nut is embedded in the rear hole insulator in an axially vertical manner. One end of the jack assembly passes through the connecting terminal and is connected to the locking nut, and is limitedly installed in the other end of the plug housing through the front insulator of the hole to ensure the current transmission between the jack assembly and the connecting terminal.

2. A metal plug connector compatible with welding and crimping terminals according to claim 1, characterized in that: The metal plug connector is also provided with a plug sealing body and a plug tail cover. The plug tail cover is snap-connected with the plug housing, and the plug sealing body is pressed into the plug tail cover and abuts against the insulator behind the hole.

3. A metal plug connector compatible with welding and crimping terminals according to claim 1, characterized in that: The front-hole insulator and the plug housing are fixed by combined screws.

4. A metal plug connector compatible with welding and crimping terminals according to claim 1, characterized in that: A plug sealing ring is arranged in the plug housing for sealing with the mounting surface.

5. A metal plug connector compatible with welding and crimping terminals according to claim 4, characterized in that: The plug housing is connected to the mounting surface via plug mounting bolts.

6. A metal plug connector compatible with welding and crimping terminals according to claim 5, characterized in that: The plug mounting bolt is also sleeved with a corrugated elastic washer and a flat washer, so that the plug mounting bolt, the corrugated elastic washer and the flat washer are assembled into the plug housing and locked with the mounting surface.

7. A metal plug connector compatible with welding and crimping terminals according to any one of claims 1 to 6, characterized in that: The connecting terminal is a crimping terminal or a welding terminal.

8. A metal plug connector compatible with welding and crimping terminals according to claim 7, characterized in that: A shielding wire assembly is also arranged in the plug housing, and the shielding wire assembly is arranged outside the rear end of the hole rear insulator and abuts against the plug sealing body.

9. A metal plug connector compatible with welding and crimping terminals according to claim 8, characterized in that: The shielding wire assembly comprises a shielding pressing sleeve, a shielding pressing ring and a shielding retaining ring. The shielding pressing ring is sleeved outside the shielding pressing sleeve, and the shielding retaining ring is located at the rear end of the shielding pressing sleeve.

10. A metal plug connector compatible with welding and crimping terminals according to claim 7, characterized in that: The jack assembly is threadedly connected with the locking nut.

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