CN209298476U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, including insulating body and the Terminals Die group being fixed on insulating body, the insulating body is equipped with the docking section of carrying Terminals Die group, the Terminals Die group includes the upper row's terminal group being distributed on the upside of docking section and the lower row's terminal group being distributed on the downside of docking section, metal isolation board is equipped between upper row's terminal group and lower row's terminal group, and metal isolation board is equipped with contact arm；The contact arm is protruded out towards upper row's terminal group or lower row's terminal group, and is generally aligned in the same plane with remaining terminal in upper row's terminal group or lower row's terminal group.Compared with prior art, the utility model is by being integrally formed out contact arm on metal isolation board, and contact arm is made to be arranged in the two sides of terminal group, serve as the role of ground terminal, it is structure as a whole with metal isolation board, the problem of poor contact, difficult assembling can effectively be prevented, and earthing effect is more preferable, more stable, can improve signal transmitting quality.

Description

Electric connector

Technical field

The utility model relates to be electrically connected technical field more particularly to a kind of electric connector.

Background technique

Electric connector is widely used in the digital products such as computer, mobile phone, such as USB connector, SATA connector, electricity Connector has the function of very crucial as signal converting element in entire electrical connection system, directly affects electrical property Connection stability and reliability.In order to improve the transmission quality of signal, existing electric connector, which requires, meets higher connect Ground requirement is interfered with this to avoid generating between signal, for example, double conductive terminal is equipped in some electric connectors, in order to It avoids interfering with each other, it will usually ground terminal be arranged in conductive terminal, miscellaneous signal is excluded by ground terminal, still For conductive terminal is than comparatively dense, a fairly large number of electric connector, especially the electric connector of high frequency signal transmission is come It says, this mode is still unable to reach ideal earthing effect.As shown in Figure 1, in the prior art, often two rows of terminal group A, Metal earthing sheet P is set between B, realizes preferable ground connection effect by ground terminal G being overlapped or snapping on metal earthing sheet P Fruit, but this mode requires the ground terminal G arranged in terminal group up and down to be overlapped respectively with metal earthing sheet P, three It could be formed into a loop after contact, it is unstable unreliable that the mode for will increase assembly program, and overlapping or fastening is easy to produce contact The problem of.

Therefore, above-mentioned technical problem is solved it is necessory to provide the new electric connector of one kind.

Utility model content

The technical issues of the utility model is solved is to provide a kind of electric connector, to improve ground connection effect in the prior art The bad problem of fruit.

In order to solve the above technical problems, the utility model provides a kind of electric connector, including insulating body and it is fixed on absolutely Terminals Die group on edge ontology, the insulating body are equipped with the docking section of carrying Terminals Die group, and the Terminals Die group includes distribution Upper row's terminal group on the upside of docking section and the lower row's terminal group being distributed on the downside of docking section, upper row's terminal group and lower row end Metal isolation board is equipped between subgroup, and metal isolation board is equipped with contact arm；The contact arm is towards upper row's terminal group Or lower row's terminal group protrudes out, and is generally aligned in the same plane with remaining terminal in upper row's terminal group or lower row's terminal group.

Further, it is equipped with ground terminal and signal terminal in upper row's terminal group and lower row's terminal group, it is described to connect The length extending direction of contact arm is identical as the length extending direction of the ground terminal and signal terminal.

Further, the contact arm is two, is protruded out towards upper row's terminal group, and is located at upper row's terminal The two sides of group.

Further, in lower row's terminal group it is on the outermost side two be ground terminal, the contact arm and this two Root ground terminal is in be arranged in a one-to-one correspondence in the up-down direction.

Further, the number of terminals of upper row's terminal group is less than the number of terminals of lower row's terminal group.

Further, the contact arm and signal terminal, ground terminal in upper row's terminal group are arranged side by side, and connect The front end of contact arm flushes setting with the front end of ground terminal.

Further, the contact arm, ground terminal front end extend forwardly beyond the signal terminal being located at row Front end.

Further, two ground terminals on the outermost side in lower row's terminal group are equipped with towards metal and are isolated The clinch that plate bending extends.

Further, the both sides of the edge of the metal isolation board are equipped with the chimb contacted with the clinch.

Compared with prior art, the utility model on metal isolation board by being integrally formed out contact arm, and makes to contact Arm is arranged in the two sides of terminal group, serves as the role of ground terminal, is structure as a whole with metal isolation board, can effectively prevent to connect The problem of touching bad, difficult assembling, and earthing effect is more preferable, more stable, can improve signal transmitting quality.

Detailed description of the invention

Fig. 1 is the connection schematic diagram of two rows terminal group and metal earthing sheet in the prior art.

Fig. 2 is the perspective view of electric connector described in the utility model.

Fig. 3 is the exploded view of the Terminals Die group of electric connector described in the utility model.

Specific embodiment

Please refer to shown in Fig. 2, the utility model provides a kind of electric connector, including insulating body 10, be fixed on insulation this Terminals Die group 20 on body 10 and the shell 30 for being coated on 10 periphery of insulating body, the insulating body 10 are housed in the shell 30 inside, so that Terminals Die group 20 can be by the encirclement of shell 30, the reliable and stable transmission telecommunications number of energy, and the insulation is originally Body 10 has the docking section 11 of carrying Terminals Die group 20, and the Terminals Die group 20 is then combined with insulating body 10, and is distributed in Two sides up and down of docking section 11, and one end of Terminals Die group 20 is used to be electrically connected with the electric connector of butt end, the other end to After extend insulating body 10 to be soldered on circuit board, the shell 30 is formed by integrated punching, and be equipped be soldered to electricity Mounting portion 31 on the plate of road.

Join shown in Fig. 3, the Terminals Die group 20 includes being distributed in upper row's terminal group 21 of 11 upside of docking section and being distributed in Lower row's terminal group 22 of 11 downside of docking section, and metal isolation is additionally provided between upper row's terminal group 21 and lower row's terminal group 22 Plate 23, the metal isolation board 23 are embedded in the docking section 11 of the insulating body 10, are used for upper row's terminal group 21 under The signal of row's terminal group 22 is isolated, wherein includes several signals in upper row's terminal group 21, lower row's terminal group 22 Separate setting between terminal S and ground terminal G, the ground terminal G, so that signal terminal S can be arranged between ground terminal G, For arranging terminal group 22 below, the ground terminal G is distributed in the signal terminal S and the two sides of signal terminal S, and lower row Two on the outermost side are ground terminal G in terminal group 22, which has towards 23 bending of metal isolation board The clinch 24 of extension to contact with the chimb 25 at 23 both sides of the edge of metal isolation board, and is located in two ground terminal G Also ground terminal G is distributed in several signal terminal S of side, the interval setting of such ground terminal G, signal terminal S can have The raising signal transmitting quality of effect.

It is noted that outermost two butts is signal terminal S, and upper row's terminal in upper row's terminal group 21 The quantity of signal terminal S is identical as the signal terminal S quantity of lower row's terminal group 22 in group 21, but the ground terminal of upper row's terminal group 21 Sub- G quantity is less than the quantity of lower row's terminal ground terminal G, that is to say, that above arranges the outermost of terminal group 21 with lacking two piece-root graftings Terminal G, in order to be correspondingly arranged with the ground terminal G in lower row's terminal group 22, on the metal isolation board 23 of the utility model Integrally formed with a pair of of contact arm 26, the contact arm 26 raises upward and is located at the two sides of upper row's terminal group 21, quite Then upper to arrange 21 outermost two ground terminal G of terminal group, that is to say, that described two contact arms 26 and lower row's terminal Outermost two ground terminal G are in being arranged in a one-to-one correspondence in group 22, since contact arm 26 is in protrusion setting, with upper row's terminal The signal terminal S and ground terminal G of group 21 are generally aligned in the same plane, when being docked with butt end electric connector, the contact arm 26 Grafting will be carried out with the ground terminal G of butt end electric connector, and since contact arm 26 is to be shaped in the metal in itself On isolation board 23, and outermost two ground terminal G are taken by clinch 24 with metal isolation board 23 in lower row's terminal group 22 Connect and be grounded, in this way, the outermost of upper row's terminal group 21 is just not necessarily to that ground terminal G especially is arranged, also eliminate its with The contact of metal isolation board 23 is contacted with the fastening of lower 22 outermost ground terminal G of row's terminal group, simplifies assembling procedure, Earthing effect is improved, so that signal transmission is more reliable and more stable.In addition, in the contact arm 26 and upper row's terminal group 21 Signal terminal S, ground terminal G be arranged side by side, and the front end of contact arm 26 flushes setting with the front end of ground terminal G, described Contact arm 26, ground terminal G front end extend forwardly beyond be located at row signal terminal S front end.

The utility model is arranged in contact arm 26 by being integrally formed out contact arm 26 on metal isolation board 23 The two sides of row's terminal group 21 are with metal isolation board 23 to serve as the role of outermost ground terminal G in upper row's terminal group 21 Integral structure can effectively prevent poor contact, difficult the problem of assembling, and earthing effect is more preferable, more stable, can improve signal transmission Quality.

The above is only the most preferred embodiment of the utility model, is not made in any form to the utility model Limitation, anyone skilled in the art, in the case where not departing from technical solutions of the utility model ambit, utilization is above-mentioned The method content of announcement makes many possible changes and modifications to technical solutions of the utility model, belongs to claims guarantor The range of shield.

Claims (9)

1. a kind of electric connector is equipped with including insulating body and the Terminals Die group being fixed on insulating body, the insulating body The docking section of Terminals Die group is carried, the Terminals Die group includes the upper row's terminal group being distributed on the upside of docking section and is distributed in docking Lower row's terminal group of subordinate side, which is characterized in that metal isolation board is equipped between upper row's terminal group and lower row's terminal group, and Metal isolation board is equipped with contact arm；The contact arm is protruded out towards upper row's terminal group or lower row's terminal group, and with it is upper Remaining terminal in row's terminal group or lower row's terminal group is generally aligned in the same plane.

2. electric connector according to claim 1, it is characterised in that: be all provided in upper row's terminal group and lower row's terminal group There are ground terminal and signal terminal, the length extending direction and the length of the ground terminal and signal terminal of the contact arm prolong It is identical to stretch direction.

3. electric connector according to claim 2, it is characterised in that: the contact arm is two, towards the upper row Terminal group protrudes out, and is located at the two sides of upper row's terminal group.

4. electric connector according to claim 3, it is characterised in that: two on the outermost side in lower row's terminal group For ground terminal, two ground terminals of the contact arm and this are in be arranged in a one-to-one correspondence in the up-down direction.

5. electric connector according to claim 4, it is characterised in that: the number of terminals of upper row's terminal group is less than lower row The number of terminals of terminal group.

6. electric connector according to claim 5, it is characterised in that: the letter in the contact arm and upper row's terminal group Number terminal, ground terminal are arranged side by side, and the front end of contact arm flushes setting with the front end of ground terminal.

7. electric connector according to claim 6, it is characterised in that: the contact arm, ground terminal front end forward Extend beyond the front end for being located at the signal terminal with row.

8. electric connector according to claim 7, it is characterised in that: two on the outermost side in lower row's terminal group Ground terminal is equipped with the clinch extended towards metal isolation board bending.

9. electric connector according to claim 8, it is characterised in that: the both sides of the edge of the metal isolation board are equipped with and institute State the chimb of clinch contact.