CN103187654A

CN103187654A - Rj45 connector

Info

Publication number: CN103187654A
Application number: CN2013100963762A
Authority: CN
Inventors: 刘旭杰; 史广星
Original assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Current assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Priority date: 2013-05-07
Filing date: 2013-05-07
Publication date: 2013-07-03

Abstract

The invention discloses an RJ45 connector which comprises an insulation body, a terminal fixedly arranged on the insulation body and a shielding shell surrounding the insulation body, wherein the insulation body is provided with an insertion cavity; the terminal is provided with a fixing part fixed on the insulation body and an elastic contact part convexly extending into the insertion cavity; the shielding shell is provided with a first side wall, a pair of second side walls bent from two sides of the first side wall and a pair of third side walls formed by bending the second side walls towards the opposite directions; the first side wall, the second side walls and the third side walls are integrated; the tail ends of the third side walls are combined together so as to form a cavity; the insulation body is assembled into the cavity; each second side wall is provided with an upper side wall connected with the first side wall, a supporting wall connected with the upper side wall and a lower side wall connected with the supporting wall and the corresponding third side wall; and the upper side walls downward extend to form welding pins. The shielding shell is formed by integrated stamping; and the supporting walls and the welding pins are formed on the side walls of the shielding shell, so that a shielding effect of the shielding shell is improved, and the intensity of the shielding shell is improved.

Description

The RJ45 connector

[technical field]

It is used to the present invention relates to electronic applications, relates in particular to the used RJ45 connector of a kind of network.

[background technology]

With popularizing of network, and to the facility that the modern life is brought, having the RJ45 connector thus now and have very important effect, is the transmission speed that improves connector, and anti-stop signal disturbs, and is coated with the layer of metal housing in the outside of RJ45 connector usually.This similar structure can be consulted No. the 201220166905.2nd, the Chinese utility model patent of on December 19th, 2012 bulletin, and it has disclosed a kind of network electric connector, and this network electric connector includes insulating base frame, a plurality of terminal and shielding casing.Wherein, insulating base frame has a diapire, pair of sidewalls and the grafting space between this pair of sidewalls, and the grafting space forms an opening, and diapire is provided with a plurality of terminal grooves, and a plurality of terminals are arranged in these terminal grooves accordingly.Shielding casing has upper side wall, bends from the upper side wall two ends and is positioned at the bent sheet in the sidewall outside of insulating body down, the preceding shielding plate that bends down in the interface front side from the upper side wall leading edge reaches from preceding shielding plate both sides towards the buckling piece of side wall side bending, this buckling piece is buckled on the sidewall, so that shielding casing is retained on the insulating body.

The bent sheet of this shielding casing and buckling piece are positioned at outside the sidewall of insulating body, both are together with each other, but described sidewall can't cover fully, terminal is easy to be subjected to this part by interference from outside signals, influence the transmission of signal, bend pin simultaneously and form from the bent sheet extension, when connector is installed on the circuit board, this bent sheet supports the weight of whole connector fully, influences the intensity of the shielding casing of connector.

So be necessary to provide a kind of new RJ45 connector to overcome the problems referred to above.

[summary of the invention]

Based on this, be necessary to provide a kind of RJ45 connector of better screening effect.

The present invention is achieved by the following technical solutions: a kind of RJ45 connector, it comprises insulating body, is retained on the terminal on the insulating body and is around in the outer shielding casing of insulating body, insulating body has the grafting chamber, and terminal has and is retained on the holding parts on the insulating body and protrudes into elastic contact part in the grafting chamber; This shielding casing has integrated the first side wall, from a pair of second sidewall of the first side wall two lateral bucklings and each second sidewall towards relatively to a pair of the 3rd sidewall of bending, the terminal knot of group mutually of this a pair of the 3rd sidewall together, and be surrounded by a cavity jointly, insulating body is assembled in this cavity, each second sidewall has lower wall, the supporting walls that links to each other with lower wall that connects the first side wall and is connected supporting walls and the upper side wall of the 3rd sidewall, this lower wall is extended with welding foot towards the 3rd side wall side, and this welding foot extends supporting walls.

Improvement project: described the 3rd sidewall has bayonet socket and reaches the pair of catches portion that protrudes out mutually in bayonet socket.

Improvement project: described welding foot is stamped to form by the wall of lower wall and supporting walls respectively.

Improvement project: described insulating body has stop block, and the front side of shielding casing is connected on this stop block.

Improvement project: described insulating body has roof, continuous pair of sidewalls and diapire, and surrounding above-mentioned grafting chamber, this sidewall is step, has support platform, lower wall, supporting walls and upper side wall with above-mentioned second sidewall cooperatively interacts respectively, and this support platform and supporting walls are fitted and arranged.

Improvement project: described second sidewall is and is symmetrical arranged.

Improvement project: the sidewall of described insulating body has buckle slot, and each second sidewall has opens the elastic arm that is buckled in the buckle slot.

Improvement project: described insulating body has rear wall, and this rear wall has detent and the next door between detent, and terminal has the welding foot that extends from holding parts, and this welding foot is positioned in the groove.

Improvement project: described latch part has the guiding walls of keeping out wall and bending from leading edge that is positioned at the inboard backwards.

Beneficial effect of the present invention is as follows: be that integrated punching forms by shielding casing, and the sidewall of shielding casing is formed with supporting walls and welding foot, improves the screening effect of shielding casing, and strengthen the intensity of shielding casing.

[description of drawings]

Fig. 1 is the schematic views of RJ45 connector of the present invention;

Fig. 2 is another angle schematic diagram shown in Figure 1;

Fig. 3 is the schematic diagram that falls shielding casing shown in Figure 1;

Fig. 4 is the schematic diagram before the shielding casing moulding shown in Figure 1;

Fig. 5 is another angular views shown in 3.

[embodiment]

See also Fig. 1 to shown in Figure 5, be the execution mode of RJ45 connector of the present invention, this RJ45 connector comprises insulating body 1, be retained on terminal 2, the shielding casing 3 in the insulating body and be placed in LED4 on the insulating body.

Described insulating body 1 has rear wall 11, roof 12, diapire 13 and the pair of sidewalls 14 relative with roof 12, and this rear wall, roof, diapire and sidewall constitute grafting chamber 15, and roof 12 has opening 16; Rear wall 11 has detent 17 and the next door 18 between detent; The front side of sidewall 14 is provided with stop block 140 and support platform 141, so that this sidewall is step, is convenient to the RJ45 connector and is housed in the breach of circuit board in heavy plate mode, and minimizing RJ45 connector is housed in the space in the electronic equipment, is beneficial to slim words.On the sidewall of the insulating body that LED is positioned in.

Terminal 2 has the holding parts that is retained on the insulating body, the elastic contact part 21 that protrudes in the butt joint chamber reaches the welding foot 22 that extends in the rear wall 11 of insulating body from holding parts, this welding foot is positioned in the groove 17, and adjacent welding foot 22 is spaced from each other by next door 18, prevents that terminal is by short circuit.This elastic contact part 21 is tilted to extension from the front side of holding parts towards rear wall, to improve the elastic performance of elastic arm.

This shielding casing 3 has integrated the first side wall 31, a pair of the 3rd sidewall 33 from a pair of second sidewall 32 of the first side wall two lateral bucklings and each second sidewall towards the relative direction bending, the end of this a pair of the 3rd sidewall is provided with tongue and groove 34, so that both are organized knot together mutually, and be surrounded by a cavity 35 jointly, above-mentioned insulating body 1 inserts in it from cavity 35 front sides, be connected to up to the front side of shielding casing 3 on the stop block 140 of insulating body 1, at this moment, the sidewall 14 of described insulating body 1 has buckle slot 145, each second sidewall 32 has the elastic arm 325 that is buckled in the buckle slot, fully shielding casing 3 is assembled on the insulating body 1.

The diapire 13 of the first side wall 31 contiguous insulating bodies 1 arranges, and second sidewall 32 matches with the sidewall 14 of insulating body, and the 3rd sidewall 33 is placed on the roof 12 of insulating body; Each second sidewall 32 has lower wall 320, the supporting walls 321 that links to each other with lower wall 320 that connects the first side wall 31 and is connected supporting walls and the upper side wall of the 3rd sidewall 322, this lower wall 320 is provided with the welding foot 323 that extends and exceed supporting walls 321 towards the 3rd sidewall 33 sides, and the sidewall 14 of above-mentioned insulating body cooperatively interacts with lower wall 320, supporting walls 321 and the upper side wall 322 of second sidewall 32 of shielding casing 3, and wherein support platform 141 corresponding supporting walls 321 are fitted and arranged.The present invention is by the shielding casing 3 after one-body molded, and be provided with towards the 3rd sidewall 33 by sidewall 32 and extend and protrude out the welding foot 323 that supporting walls 321 extends, reduce the destructiveness of shielding casing 3, the shielding casing of existing relatively RJ45 connector, improve the screening effect of RJ45 connector, this integrated formed structure can increase the intensity of shielding casing simultaneously.

Described second sidewall 32 is and is symmetrical arranged, and makes things convenient for the moulding of mould, reduces die manufacturing cost.The 3rd sidewall 33 of described shielding casing 3 has bayonet socket 36 and protrudes out mutually in open front side latch part 37, and this latch part 37 has the guiding walls 372 of keeping out wall 371 and bending from leading edge that is positioned at the inboard backwards.In the present embodiment, described welding foot 323 is stamped to form by the wall of upper side wall 322 and supporting walls 321 respectively, prevents from destroying lower wall, to increase the intensity of lower wall 320.

Claims

1. RJ45 connector, it comprises insulating body, is retained on the terminal on the insulating body and is around in the outer shielding casing of insulating body, insulating body has the grafting chamber, and terminal has and is retained on the holding parts on the insulating body and protrudes into elastic contact part in the grafting chamber; It is characterized in that: this shielding casing has integrated the first side wall, from a pair of second sidewall of the first side wall two lateral bucklings and each second sidewall towards relatively to a pair of the 3rd sidewall of bending, the terminal knot of group mutually of this a pair of the 3rd sidewall together, and be surrounded by a cavity jointly, insulating body is assembled in this cavity, each second sidewall has lower wall, the supporting walls that links to each other with lower wall that connects the first side wall and is connected supporting walls and the upper side wall of the 3rd sidewall, this lower wall is extended with welding foot towards the 3rd side wall side, and this welding foot extends supporting walls.

2. RJ45 connector as claimed in claim 1 is characterized in that: described the 3rd sidewall has bayonet socket and protrudes out pair of catches portion in bayonet socket mutually.

3. RJ45 connector as claimed in claim 2, it is characterized in that: described welding foot is stamped to form by the wall of lower wall and supporting walls respectively.

4. RJ45 connector as claimed in claim 3, it is characterized in that: described insulating body has stop block, and the front side of shielding casing is connected on this stop block.

5. as the described RJ45 connector of claim 1 to 4, it is characterized in that: described insulating body has roof, continuous pair of sidewalls and diapire, and surround above-mentioned grafting chamber, this sidewall is step, has support platform, lower wall, supporting walls and upper side wall with above-mentioned second sidewall cooperatively interacts respectively, and this support platform and supporting walls are fitted and arranged.

6. RJ45 connector as claimed in claim 1 is characterized in that: described second sidewall is and is symmetrical arranged.

7. RJ45 connector as claimed in claim 5, it is characterized in that: the sidewall of described insulating body has buckle slot, and each second sidewall has opens the elastic arm that is buckled in the buckle slot.

8. RJ45 connector as claimed in claim 7, it is characterized in that: described insulating body has rear wall, and this rear wall has detent and the next door between detent, and terminal has the welding foot that extends from holding parts, and this welding foot is positioned in the groove.

9. RJ45 connector as claimed in claim 2 is characterized in that: described latch part has and is positioned at the inboard guiding walls of keeping out wall and bending from leading edge backwards.