CN2428890Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which comprises an insulating body, conductive terminals which are accommodated in the insulation body, a first switching terminal, a second switching terminal and a holding device, wherein an accommodating space and a plurality of locating grooves which are communicated with the accommodating space are arranged in the insulating body, and the locating grooves are respectively used for accommodating the corresponding conductive terminals, the first switching terminal and the second switching terminal. The holding device is accommodated and held fixedly in one of the locating grooves of the insulating body, and is provided with a holding part which convexly extends towards the center of the accommodating space of the insulating body, so that the holding device is tightly abutted with the electric connector.

Description

Electric connector

The utility model is a kind of electric connector, refers in particular to a kind of electric connector that is used for transferring electric power or electronic signal.

The electric connector relevant with this case has two kinds of existing structures usually, a kind of is that direct insulating body with electric connector engages with the butt joint electric connector, but, this electric connector is because the restriction of its insulating body material capability, often can not guarantee with dock between electrical connector plug to relay, thereby be easy to generate the transmission that the unstable phenomenon of butt joint influences signal.The another kind of electric connector relevant with this case then with metal shell be retained on the insulating body butted part around, and utilize holding unit on this metal shell to guarantee fixing effect between two electric connectors.Yet still there is following shortcoming in this electric connector: metal shell complex-shaped, and cause its manufacturing cost higher, and also difficulty relatively of the assembling between this complex-shaped metal shell and corresponding insulation body.

The purpose of this utility model is to provide a kind of holding unit that has, and the firm electric connector of butt butt joint electric connector.

The purpose of this creation is achieved in that this electric connector comprises insulating body with relative front end and rear end, is contained in conducting terminal, first, second switched terminal and holding unit in the insulating body.Wherein forming one between the front end of insulating body and rear end can be for the receiving space that dock the electric connector plant.The front end of insulating body is provided with the location notch that is connected with receiving space, and the rear end of insulating body then is provided with several location notchs that is used for accommodating and locating corresponding conducting terminal and first, second switched terminal.Holding unit is accommodated and is retained in the location notch of described insulating body front end, and it is provided with to the center of insulating body receiving space and protrudes out, is used for the holding parts of tight butt butt joint electric connector.

Advantage of the present utility model is: be provided with holding unit in the electric connector, this holding unit is butt butt joint electric connector firmly.

Below in conjunction with drawings and Examples the utility model is described further.

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of another angle of the utility model electric connector.

Fig. 3 is the three-dimensional combination figure of the utility model electric connector.

Fig. 4 is the front view of electric connector shown in Figure 3.

Fig. 5 is the cutaway view of Fig. 4 along A-A.

The cutaway view that Fig. 6 is the utility model electric connector when docking the electric connector butt joint.

Fig. 7 is the cutaway view of Fig. 4 along the B-B line, wherein docks electric connector and has been plugged in the utility model electric connector.

See also Figure 1 and Figure 2, the utility model electric connector 100 comprises insulating body 1, is contained in conducting terminal 2, first, second switched terminal 3,4 and holding unit 5 in this insulating body 1 respectively.

Insulating body 1 comprises relative front end 12 and rear end 14, and forms receiving space 16 at front end 12 and 14 of rear ends.Then being provided with two on the lower surface 18 of insulating body 1 is used for insulating body 1 is positioned at reference column 18a on the circuit board (not shown).In addition, front end 12 bottoms of insulating body 1 are provided with the first location notch 12a parallel with lower surface 18 and that be connected with receiving space 16 near lower surface 18, and this first location notch 12a is used for accommodating and the described holding unit 5 of fixing.And the rear end 14 of insulating body 1 is provided with several terminal position grooves, comprises second, third and the 4th location notch 12b, 12c and 12d, is used for accommodating and locating first, second switched terminal 3,4 of corresponding conducting terminal 2 and two selectivity conductings respectively.

Conducting terminal 2 comprises and is used for and docking the contacted cylindricality of electric connector docking section 20 and form the weld part 22 that is used for being soldered on the circuit board by these docking section 20 vertical extent.In addition, the end of conducting terminal 2 docking sections forms the hemisphere contact surface 20a with guide function.

First switched terminal 3 is L-shaped substantially, comprises the horizontal fixed portion 30 that is used for fixing, respectively by fixed part 30 both side edges vertical extent and parallel weld part 32 and switching part 34.One lateral margin of this switching part 34 also extends contact site 34a.Wherein weld part 32 is used to be soldered to circuit board, the switching that contact site 34a then optionally is conducted with the contact site 44a (Hou face detailed description) of secondary signal terminal 4 and reaches signal by the electronic circuit on the circuit board (figure does not show).In addition, fixed part 30 and weld part 32 tops are respectively equipped with the interference part 30a and the 32a of outside protrusion, be used for respectively butt the 3rd location notch 12c respective inside edge (not shown) and this first switched terminal 3 is positioned among the 3rd location notch 12c.

Second switched terminal 4 comprises elongate body portion 40, is extended downwards and the weld part 42 that forms, the pushing portion 44 and the contact site 44a that are stamped to form and are formed through bending for several times by the middle part of main part 40 by one of this longer lateral margin in main part 40 both sides.Wherein the contact site 44a free terminal that is positioned at pushing portion 44 is used for connecting the contact site 34a of described first switched terminal 3.In addition, the outside of 40 two longer lateral margins of main part also is extended with several projectioies 46 respectively, and main part 40 is provided with the interference part 40a of two protrusions near the position of weld parts 42, but the respective inside edge of these projectioies 46 and interference part 40 equal butt location notch 12d and this second switched terminal 4 is positioned among the 4th location notch 12d.

Holding unit 5 is made by stainless steel, comprise microscler framework 50 and by the medial margin of one of microscler framework 50 narrow side frames extend and with the angled shell fragment 52 of these framework 50 place planar shaped, this shell fragment can be inserted in closely butt butt joint electric connector 200 of the utility model electric connector 100 backs at butt joint electric connector 200.50 two long lateral margins of framework then convex with interference part 54 respectively, and this interference part 54 can connect with the location notch 12a of described insulating body 1 and fix this holding unit 5.The free terminal of shell fragment 52 slightly tilts to framework 5 place in-planes, is beneficial to the arc holding parts 52a that butt joint electric connector 200 is extracted thereby form one.Framework 50 is provided with the interference part 52a that several can locate this holding unit 5 with the respective inside edge interference of location notch 12a on shell fragment 52 extended frames.

Please consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4 simultaneously, holding unit 5 inserts the first location notch 12a from the front end 12 of insulating body 1, and conducting terminal 2, first, second switched terminal 3,4 are pressed into corresponding location notch 12b, 12c, the 12d from the rear end 14 of insulating body 1 respectively.The docking section 20 of conducting terminal 2 roughly is positioned at the central authorities of insulating body 1 receiving space 16 at this moment, and the holding parts 52a of holding unit 5 then is positioned at the below of conducting terminal 2 docking sections 20 just.Two 3,4 of switched terminal are in the state (as shown in Figure 5) of mutual butt conducting.After butt joint electric connector 200 inserts, the pushing portion 44 that promotes second switched terminal 4 moves to contiguous insulating body direction, and the contact site 44a that makes this second switched terminal 4 separates (as shown in Figure 6) with the contact site 34a of first switched terminal 3, thereby realizes that certain signal switches.Because the switching of signal herein belongs to prior art, therefore repeat no more.And butt joint electric connector 200 is subjected to the tight butt (as shown in Figure 7) of the holding parts 52 of conducting terminal 2 and holding unit 5, thereby guarantees the effect of two electric connectors butt joint.In addition, the arc structure of the holding parts 52a of shell fragment 52 can guarantee to dock electric connector 200 and can be successfully breaks away from and can not locked from the receiving space 16 of the utility model electric connector 100.

The principal character of the utility model electric connector 100 is to be equipped with the holding unit 5 of a stainless steel in the front end 12 of its insulating body 1, thereby effectively fastens butt joint electric connector 200 to guarantee certain withdrawal force.Secondly, the utility model electric connector 100 moulded less also meets the development trend of electric connector industry.Moreover the conducting terminal 2 of the utility model electric connector 100 adopts with cooperating of insulating body 1 and is pressed into interference, and its processing procedure is simpler.

Claims (3)

1. electric connector, comprise insulating body and be contained in the interior conducting terminal of insulating body, wherein forming between the front end of insulating body and the rear end can be for the receiving space that dock the electric connector plant, it is characterized in that: this electric connector also comprises holding unit, this holding unit is arranged on the receiving space side of insulating body, and it is provided with to protrude out to the center of receiving space and is used for the holding parts of butt butt joint electric connector.

2. electric connector as claimed in claim 1 is characterized in that: being provided with in the insulating body is connected with receiving space is used for first location notch of the described holding unit of fixing.

3. electric connector as claimed in claim 2, it is characterized in that: holding unit comprises microscler framework, this microscler framework both side edges is provided with the interference part of several interferences of can insulating with the respective inside of first location notch, and a shell fragment is extended in the inboard of one of this microscler framework narrow side frame, the holding parts of holding unit promptly is arranged on the end of this inclination shell fragment, and forms an arc structure.

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