CN207542455U

CN207542455U - A kind of electrical connector plug

Info

Publication number: CN207542455U
Application number: CN201721440727.7U
Authority: CN
Inventors: 林斌; 苏永浩; 陈书义
Original assignee: Ningbo Lucky Technology Co Ltd
Current assignee: Ningbo Lucky Technology Co Ltd
Priority date: 2017-11-01
Filing date: 2017-11-01
Publication date: 2018-06-26
Anticipated expiration: 2027-11-01

Abstract

The utility model discloses a kind of electrical connector plugs, include shell and the docking contact assembly in shell, it is characterised in that：Shell includes the first shell and the second housing for being fastened on the first shell rear portion, and connect after the first shell and second housing integrally be in elbow structure, insulator is installed in the first enclosure, contact assembly limiting is docked in insulator, the connection swivel nut for being connected with complementary socket is socketed in the first housing exterior.Compared with prior art, the utility model has the advantage of：The shell of the electrical connector plug is included after connecting in the first shell and second housing of elbow structure, the plug body uses the elbow structure of split, processing is relatively easy to, and the first shell is connected with second housing and the first shell with connecting swivel nut by being interference fitted, and installation is more convenient.

Description

A kind of electrical connector plug

Technical field

The utility model is related to a kind of electrical connector plugs.

Background technology

In all kinds of electronic systems, electric connector is all kinds of electrical, the indispensable electronic components of electronic system, mainly For the circuit connection between electrical, electronic equipment cable and cable and cable and equipment, to realize low frequency signal, high frequency The transmission of signal and electric energy (power).The electrical connector plug of various different structures is disclosed in the prior art, and electric connector is inserted Head is used for and mating socket phase inserting, usually, docking contact of the electrical connector plug including shell and in shell Component, docking contact assembly are used for docking contact assembly phase inserting with complementary socket.Existing electrical connector plug is generally adopted With the curved formula shell of one, connection swivel nut is fixed using roll riveting, since the whole-house processing of curved formula is more not easy, and connect spiral shell The roll riveting fixed form of set is also more inconvenient, therefore causes the processing of electrical connector plug and assembling not convenient enough.In conclusion Need to be further improved the plug construction of existing electric connector.

Utility model content

Technical problem to be solved in the utility model is present situation for the above-mentioned prior art, provide it is a kind of it is simple in structure, Processing and the plug of electric connector easy to assembly.

Technical solution is used by the utility model solves above-mentioned technical problem：The electrical connector plug includes outer Shell and the docking contact assembly in shell, it is characterised in that：The shell includes the first shell and is fastened on first The second housing at shell rear portion, and the first shell after connecting and second housing be integrally in elbow structure, in first shell Inside is equipped with insulator, and the docking contact assembly limiting is socketed in the insulator in first housing exterior There is the connection swivel nut for being connected with complementary socket.

In order to improve the reliability docked with socket, the docking contact assembly includes twist needle and is pressed on fried dough twist The pressure welding case of needle rear end is provided with the axial direction passed through for the front end of the pressure welding case and twist needle on the insulator and leads to Hole.

It is described exhausted in order to which effectively fixed insulator and pressure welding case, first shell and second housing are axially mutually communicated There are gaps between edge body and the first shell, are perfused with inside the rear end of the first shell to the insulator and pressure welding case progress Fixed fixing glue.

To facilitate installation, capping is installed at the rear portion of the second housing.

Preferably, the twist needle has two or four, and accordingly, the crimping is cased with two or four.

In order to be oriented to the connection of plug and complementary socket, the front end of the connection swivel nut is formed with internal thread, in institute The front end outer wall for stating the first shell is equipped with convex ribs, and the convex ribs are distributed and along the axial of the first shell set on the connection spiral shell Inside the front end of set.

As the preferred of any of the above-described scheme, the head of the second housing is mounted on the rear portion of first shell, Knurled portions are formed on the tail portion outer wall of the second housing, mounting groove, the tail of the second housing are provided in the knurled portions Tail portion pressure welding case is installed on portion's outer wall.

Compared with prior art, the utility model has the advantage of：The shell of the electrical connector plug includes The first shell and second housing of elbow structure, insulator are mounted in the first shell, and the docking with complementary socket docking contacts Component is mounted in insulator, and the connection swivel nut for being connected with complementary socket, the plug are socketed in the first housing exterior Shell uses the elbow structure of split, and processing is relatively easy to, and the first shell is connected with second housing by being interference fitted, installation It is more convenient.

Description of the drawings

Fig. 1 is the structure diagram of the utility model embodiment；

Fig. 2 is the structure sectional view of the utility model embodiment；

Fig. 3 is the perspective exploded view of the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing embodiment.

As shown in Figures 1 to 3, the electrical connector plug in the present embodiment include the first shell 1, second housing 2, insulator 3, Dock the components such as contact assembly 4, capping 5, connection swivel nut 6.

Wherein, second housing 2 is fastened on the rear portion of the first shell 1, and the first shell 1 and second housing 2 are axial mutually Perforation, capping 5 is equipped at the rear portion of second housing 2.The first shell 1 and second housing 2 after connection is whole in elbow structure. Using the top of second shell in Fig. 32 as head, the head of second housing 2 is mounted on the rear portion of the first shell 1, in second housing 2 Tail portion outer wall on form knurled portions 21, mounting groove 22 is provided in the knurled portions 21, is pacified on the tail portion outer wall of second housing 2 Equipped with tail portion pressure welding case 7, setting mounting groove 22 is assembled for the ease of plug shield cable (not shown), tail portion pressure welding case 7 For compressing simultaneously locking-type plug shielded cable.

Connection swivel nut 6 is socketed on the first shell 1, the front end of connection swivel nut 6 is formed with internal thread 61.In addition, due to electricity The polarity of connector needs, and plug and complementary socket (not shown) jointing strip are directional, in order to ensure plug is with matching inserting Seat, which plugs, can meet polarity needs, convex ribs 11 are equipped on the front end outer wall of the first shell 1, the convex ribs 11 are along the first shell 1 axial be distributed simultaneously is set on inside the front end of connection swivel nut 6, in this way, convex ribs 11 can as with the matched positioning pin of socket, Positioning action is played to grafting.

In the present embodiment, docking contact assembly 4 is mounted in insulator 3, and docking contact assembly 4 includes two twist needles 41 and two pressure welding cases 42, pressure welding case 42 is pressed on the rear end of corresponding twist needle 41, and the front end of twist needle 41 is used for inserting The needle guard (not shown) phase inserting of seat.

There are gap between 3 and first shell 1 of insulator, it is provided on insulator 3 for pressure welding case 42 and twist needle 41 The axially extending bore 31 that front end passes through.During installation, insulator 3 is packed into from the rear end of the first shell 1 in the first shell 1, and The fixing glue (not shown) that insulator 3 and pressure welding case 42 are fixed, fixing glue are perfused with inside the rear end of first shell 1 It is filled in gap.

Above description is merely a prefered embodiment of the utility model, it is noted that for those of ordinary skill in the art For, under the premise of the principle of the utility model is not departed from, a variety of remodeling or improvement can be carried out to the utility model, for example, The electrical connector plug can also use quadrature arrangement, you can to use four twist needles, these are regarded as the utility model Protection domain within.

Claims

1. a kind of electrical connector plug includes shell and the docking contact assembly (4) in shell, it is characterised in that：Institute It states shell and includes the first shell (1) and the second housing (2) for being fastened on the first shell rear portion, and the first shell after connection (1) and second housing (2) is integrally in elbow structure, and insulator (3), the docking are equipped with inside first shell (1) Contact assembly (4) limiting in the insulator (3), be socketed with outside first shell (1) for complementary socket The connection swivel nut (6) being connected.

2. electrical connector plug according to claim 1, it is characterised in that：The docking contact assembly (4) includes Twist needle (41) and the pressure welding case (42) for being pressed on twist needle rear end are provided on the insulator (3) for the pressure welding case And the axially extending bore (31) that the front end of twist needle passes through.

3. electrical connector plug according to claim 2, it is characterised in that：First shell (1) and second housing (2) It is axially mutually communicated, there are gaps between the insulator (3) and the first shell (1), are filled inside the rear end of the first shell (1) It is marked with the fixing glue that the insulator (3) and pressure welding case (42) are fixed.

4. electrical connector plug according to claim 3, it is characterised in that：It is installed at the rear portion of the second housing (2) There is capping (5).

5. electrical connector plug according to claim 2, it is characterised in that：The twist needle (41) has two or four Root, accordingly, the pressure welding case (42) have two or four.

6. electrical connector plug according to claim 1, it is characterised in that：In the front end of the connection swivel nut (6) is formed with Screw thread (61) is equipped with convex ribs (11) on the front end outer wall of first shell (1), and the convex ribs (11) are along the first shell It is axial to be distributed and inside the front end of the connection swivel nut (6).

7. the electrical connector plug according to any claim in claim 1 to 6, it is characterised in that：Outside described second The head of shell (2) is mounted on the rear portion of first shell (1), and rolling is formed on the tail portion outer wall of the second housing (2) Flower portion (21) is provided with mounting groove (22) in the knurled portions (21), tail portion is equipped on the tail portion outer wall of the second housing (2) Pressure welding case (7).