CN214849196U

CN214849196U - Low-impedance connector

Info

Publication number: CN214849196U
Application number: CN202120972112.9U
Authority: CN
Inventors: 宋璐; 隆权; 卢基祿
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-23
Anticipated expiration: 2031-05-08

Abstract

The utility model provides a low impedance connector, including connector housing and the last row of terminal of setting in connector housing and lower row of terminal, the connector housing outside still be provided with a overburden, the overburden adopt the mode of hot melt to fill in the fixed holding portion position department of a plurality of row's of going up terminal to the fixed holding portion and the connector housing that will go up the row of terminal link together. The utility model has simple structure and strong practicability, and the plastic is filled at the position of the fixing part of the terminal, so that the design utilizes the characteristic of large dielectric constant of the plastic, and after the material folding belt, the plastic is filled between the terminals after hot melting by using a hot melting technology, thereby achieving the purpose of reducing the impedance; the utility model discloses the hot melt covers the plastic on the terminal and the connector casing forms integratively to increase the fastness of being connected of terminal fixing portion and connector casing, the plastic seals the terminal and provides sufficient holding power, moves back the production of pin when preventing the plug application, has improved mechanical properties's stability.

Description

Low-impedance connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to a low impedance connector.

Background

An electrical connector is a common electronic device that performs a current and/or signal transmission function by contacting connection terminals. The electrical connector generally includes a male connector and a female connector each having a built-in connection terminal, and the connection terminals between the male connector and the female connector are connected or disconnected by inserting and extracting the male connector and the female connector, so as to connect or disconnect the transmission of electric current and/or signals.

Traditional connector's terminal is at the design in-process, and terminal are at material department interval grow even, lead to the impedance can rise to seriously influence the SI performance, simultaneously, because connector housing spatial structure is restricted, lead to terminal and connector housing to be connected insecure, take place the holding power easily inadequately, lead to at the plug in-process, the problem of terminal removal in the casing.

Disclosure of Invention

The utility model provides a low impedance connector, which aims at the defects of the prior art.

The technical scheme of the utility model is that: a low impedance connector comprises a connector shell, an upper row of terminals and a lower row of terminals, wherein the upper row of terminals and the lower row of terminals are arranged in the connector shell, a covering layer is further arranged on the outer side of the connector shell, and the covering layer is filled at the positions of holding parts of the upper row of terminals in a hot melting mode, so that the holding parts of the upper row of terminals are connected with the connector shell.

Preferably, the cover layer is made of plastic material and covers the connector housing and the holding portion of the upper row of terminals in a hot melting manner.

Preferably, one side of the connector housing is provided with a strip-shaped slot along the length direction, and the contact ends of the upper row of terminals and the lower row of terminals are located at the upper end and the lower end of the slot.

Preferably, the connector housing is further provided with mounting grooves for mounting the upper row of terminals and the lower row of terminals.

Preferably, the lower end of the connector shell is further provided with a positioning column used for being connected with the PCB.

Preferably, the upper row of terminals includes a first connecting arm a and a first connecting arm b, and the first connecting arm a and the first connecting arm b are connected by a first holding portion;

one end of the first connecting arm a is provided with a first contact end of a V-shaped structure;

the other end of the first connecting arm b is provided with a first welding end, and the first welding end and the first connecting arm b form an L-shaped structure.

Preferably, the first fixing portion is provided with a corresponding first clamping portion, and the first clamping portion is used for being connected with a clamping groove in the mounting groove of the connector shell.

Preferably, the first engaging portion includes a first engaging arm a and a first engaging arm b, and the first engaging arm a and the first engaging arm b are disposed on the first holding portion and extend in a direction opposite to the first holding portion.

Preferably, the first connecting arm a and the first connecting arm b are symmetrically provided with corresponding bumps on both sides.

Preferably, the lower row of terminals includes a second connecting arm a and a second connecting arm b, and the second connecting arm a and the second connecting arm b are connected by a second holding portion;

the other end of the second connecting arm a is provided with a second contact end of a C-shaped structure;

the other end of the second connecting arm b is provided with a second welding end, and the second welding end and the second connecting arm b form an L-shaped structure.

Preferably, the second fixing portion is provided with a corresponding second clamping portion, and the second clamping portion is used for being connected with a clamping groove in the mounting groove of the connector housing.

Preferably, the contact point of the second contact end is in a circular arc structure.

Preferably, the second engaging portion includes a second engaging arm a and a second engaging arm b, and the second engaging arm a and the second engaging arm b are disposed on the second holding portion and extend in a direction opposite to the second holding portion.

The utility model has the advantages that:

1. the utility model has simple structure and strong practicability, and the plastic is filled at the position of the fixing part of the terminal, so that the design utilizes the characteristic of large dielectric constant of the plastic, and after the material folding belt, the plastic is filled between the terminals after hot melting by using a hot melting technology, thereby achieving the purpose of reducing the impedance;

2. the utility model discloses the hot melt covers the plastic on the terminal and the connector casing forms integratively to increase the fastness of being connected of terminal fixing portion and connector casing, the plastic seals the terminal and provides sufficient holding power, moves back the production of pin when preventing the plug application, has improved mechanical properties's stability.

Drawings

Fig. 1 is a schematic structural diagram of the connector of the present invention;

fig. 2 is a schematic structural view of the other side of the connector of the present invention;

fig. 3 is an enlarged schematic view of the connector slot of the present invention;

fig. 4 is a schematic structural diagram of the connector housing of the present invention;

fig. 5 is a schematic structural view of the other side of the connector housing of the present invention;

fig. 6 is a schematic structural view of the upper row of terminals and the lower row of terminals of the present invention;

fig. 7 is a schematic structural view of an upper row of terminals according to the present invention;

fig. 8 is a schematic structural view of the lower row of terminals of the present invention.

In the figure, 1-connector housing, 2-upper row terminals, 3-lower row terminals, 4-cover layer;

11-slot, 12-mounting slot, 13-clamping slot and 14-positioning column;

21-first connecting arm a, 22-first connecting arm b, 23-first fixing part, 24-first contact end, 25-first welding end, 26-first clamping part, 27-lug, 28-first clamping arm a, 29-first clamping arm b;

31-second connecting arm a, 32-second connecting arm b, 33-second fixing part, 34-second contact end, 35-second welding end, 36-second clamping part, 37-second clamping arm a, 38-second clamping arm b.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-3, the present embodiment provides a low impedance connector, which includes a connector housing 1, and an upper row terminal 2 and a lower row terminal 3 disposed in the connector housing 1, wherein a covering layer 4 is further disposed outside the connector housing 1, and the covering layer 4 is filled at the positions of the holding portions of the upper row terminals 2 by using a hot melting method, so as to connect the holding portions of the upper row terminals 2 and the connector housing 1 together.

As a preferred embodiment, a material strip is generally connected to the position of the holding portion of the existing terminal, and the position of the material strip is increased due to the requirement of the stamping process, so that the resistance is increased, in this embodiment, the covering layer 4 covers the positions of the holding portions of the plurality of terminals, in this embodiment, the covering layer 4 is made of a plastic material and is covered on the positions of the holding portions of the connector housing 1 and the upper row of terminals 2 in a hot melting manner, and by covering the terminals, not only the purpose of reducing the resistance can be achieved, but also the firmness of the connection between the terminals and the connector housing 1 can be improved.

As shown in fig. 4 and 5, preferably, one side of the connector housing 1 is provided with an elongated slot 11 along the length direction, and the contact ends of the upper row of terminals 2 and the lower row of terminals 3 are located at the upper end and the lower end of the slot 11.

Preferably, the connector housing 1 is further provided with a mounting groove 12 for mounting the upper row terminal 2 and the lower row terminal 3, and an inner side wall of the mounting groove 12 is further provided with a card slot 13. And the lower end of the connector housing 1 is also provided with a positioning column 14 for connecting with a PCB.

As shown in fig. 6 and 7, the upper row terminal 2 preferably includes a first connecting arm a21, a first connecting arm b22, and the first connecting arm a21 and the first connecting arm b22 are connected by a first holding portion 23; the other end of the first connecting arm a21 is provided with a first contact end 24 with a V-shaped structure; the other end of the first connecting arm b22 is provided with a first welding end 25, and the first welding end 25 and the first connecting arm b22 form an L-shaped structure.

Preferably, the first holding portion 23 is provided with a corresponding first clamping portion 26, and the first clamping portion 26 is used for connecting with the clamping slot 13 in the mounting groove 12 of the connector housing 1. In this embodiment, the first engaging portion 26 includes a first engaging arm a28 and a first engaging arm b29, and the first engaging arm a28 and the first engaging arm b29 are disposed on the first holding portion 23 and extend in a direction opposite to the first holding portion 23.

Preferably, the first connecting arm a21 and the first connecting arm b22 are symmetrically provided with corresponding protrusions 27 on both sides.

As shown in fig. 6 and 8, the lower row of terminals 3 preferably includes a second connecting arm a31 and a second connecting arm b32, and the second connecting arm a31 and the second connecting arm b32 are connected by a second holding portion 33; the other end of the second connecting arm a31 is provided with a second contact end 34 with a C-shaped structure; the other end of the second connecting arm b32 is provided with a second welding end 35, and the second welding end 35 and the second connecting arm b32 form an L-shaped structure. The contact point of the second contact end 34 is in a circular arc structure.

Preferably, in this embodiment, the second fixing portion 33 is provided with a corresponding second engaging portion 36, and the second engaging portion 36 is used for connecting with the engaging slot 13 in the mounting groove of the connector housing 1.

Preferably, the second latch portion 36 includes a second latch arm a37 and a second latch arm b38, and the second latch arm a37 and the second latch arm b38 are disposed on the second holding portion 33 and extend in a direction opposite to the second holding portion 33.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. A low impedance connector comprises a connector shell (1), and an upper row of terminals (2) and a lower row of terminals (3) which are arranged in the connector shell (1), and is characterized in that a covering layer (4) is further arranged on the outer side of the connector shell (1), and the covering layer (4) is filled at the positions of the holding parts of the upper row of terminals (2) in a hot melting mode, so that the holding parts of the upper row of terminals (2) are connected with the connector shell (1).

2. A low impedance connector as recited in claim 1, wherein: the covering layer (4) is covered on the connector shell (1) and the position of the holding part of the upper row of terminals (2) in a hot melting mode by adopting a plastic material.

3. A low impedance connector as recited in claim 2, wherein: one side of the connector shell (1) is provided with a strip-shaped slot (11) along the length direction, and the contact ends of the upper row of terminals (2) and the lower row of terminals (3) are respectively positioned at the upper end and the lower end of the slot (11).

4. A low impedance connector as recited in claim 3, wherein: the connector shell (1) is further provided with a mounting groove (12) for mounting the upper row of terminals (2) and the lower row of terminals (3), and a clamping groove (13) is further formed in the inner side wall of the mounting groove (12).

5. The low impedance connector of claim 4, wherein: the lower end of the connector shell (1) is also provided with a positioning column (14) used for being connected with a PCB.

6. The low impedance connector of claim 4, wherein: the upper row terminal (2) comprises a first connecting arm a (21) and a first connecting arm b (22), and the first connecting arm a (21) and the first connecting arm b (22) are connected through a first holding part (23);

corresponding lugs (27) are symmetrically arranged on two sides of the first connecting arm a (21) and the first connecting arm b (22);

the other end of the first connecting arm a (21) is provided with a first contact end (24) with a V-shaped structure; the other end of the first connecting arm b (22) is provided with a first welding end (25), and the first welding end (25) and the first connecting arm b (22) form an L-shaped structure.

7. The low impedance connector of claim 6, wherein: the connector is characterized in that the first fixing and holding part (23) is provided with a corresponding first clamping part (26), and the first clamping part (26) is used for being connected with a clamping groove (13) in the mounting groove (12) of the connector shell (1).

8. The low impedance connector of claim 7, wherein: the first clamping portion (26) comprises a first clamping arm a (28) and a first clamping arm b (29), and the first clamping arm a (28) and the first clamping arm b (29) are arranged on the first fixing portion (23) and extend in the direction opposite to the first fixing portion (23).

9. The low impedance connector of claim 4, wherein: the lower row of terminals (3) comprises a second connecting arm a (31) and a second connecting arm b (32), and the second connecting arm a (31) and the second connecting arm b (32) are connected through a second holding part (33);

the other end of the second connecting arm a (31) is provided with a second contact end (34) with a C-shaped structure; the contact point of the second contact end (34) is of an arc-shaped structure;

the other end of the second connecting arm b (32) is provided with a second welding end (35), and the second welding end (35) and the second connecting arm b (32) form an L-shaped structure;

the second fixing portion (33) is provided with a corresponding second clamping portion (36), and the second clamping portion (36) is used for being connected with a clamping groove (13) in the mounting groove of the connector shell (1).

10. The low impedance connector of claim 9, wherein: the second clamping portion (36) comprises a second clamping arm a (37) and a second clamping arm b (38), and the second clamping arm a (37) and the second clamping arm b (38) are arranged on the second fixing portion (33) and extend in the direction opposite to the second fixing portion (33).