CN2507155Y

CN2507155Y - Electric connector

Info

Publication number: CN2507155Y
Application number: CN01263613U
Authority: CN
Inventors: 林东昌
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2001-09-10
Filing date: 2001-09-10
Publication date: 2002-08-21
Anticipated expiration: 2011-09-10

Abstract

The utility model provides an electric connector, comprising an insulating base, a plurality of conductive terminal placed inside the insulating base and a metal case wrapping the insulating base. The insulating base is provided with a first lateral surface and a second lateral surface. The two lateral surfaces are positioned on two opposite sides and are respectively provided with a recess, wherein a butt rib is formed. The metal case is provided with a first lateral wall and a second lateral wall respectively opposite to the first lateral surface and the second lateral surface of the insulating base. A butt portion, which can trap into the opposite recess and mutually contradicts with the butt rib, is respectively arranged on the first lateral wall and the second lateral wall.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, is meant that especially a kind of steadiness of assembling is higher and can prevent it and one be complementary and produce loosening electric connector when electric connector is pegged graft.

Background technology

As shown in Figures 1 and 2, be a kind of electric connector 1, it includes an insulating base 11, several the conducting terminals 12 and that are positioned in the insulating base 11 are coated on insulating base 11 metal shell 13 outward.Wherein, insulating base 11 has a Plug Division 112 that is connected junction surface 111 1 sides and extends outwardly and be complementary electric connector (figure does not show) winding in order to contact and the junction surface 111 and that is positioned a circuit board (figure do not show) surface, and junction surface 111 has one usually and is positioned at the below with the composition surface 1111 of contact circuit plate, one end face 1112 with respect to composition surface 1111, first side 1113 and second side 1114 on two contiguous engagement faces, 1111 two opposite sides limits, one contiguous engagement face, 1111 sides and in contrast to the Plug Division end face 1115 of 112 bearing of trends, in addition, insulating base 11 be provided with several side by side and by Plug Division 112 extend and terminal channel 113, the first sides 1113 of running through junction surface 111 and second side 1114 on then respectively be provided with one symmetrically respectively and rabbet projection 114.Make each conducting terminal 12 be positioned respectively in the corresponding terminal channel 113, and the one end can be emerging on the Plug Division 112, and the then protruding end face 1115 outer also bending backs that are exposed at of the other end are positioned at same horizontal level to be welded on the contact relative on the circuit board with composition surface 1111.In addition, metal shell 13 is that the punching out bending of metal material institute forms, it is formed with a roof 134, two are connected in roof 134 two opposite sides limits and contact the first side wall 131 and second sidewall 132 and the 3rd sidewall 133 in abutting connection with roof 134 sides of first side 1113 and second side 1114 respectively, make roof 134, the first side wall 131, second sidewall 132 and the 3rd sidewall 133 can define an accommodation space 130 in order to ccontaining insulating base 11 jointly, and metal shell 13 forms an interface 1301 for the electric connector grafting that is complementary in 112 positions, Plug Division of insulating base 11, in addition, metal shell 13 respectively extends outwardly out two in order to be fixed in the pin 135 on the circuit board at its first side wall 131 and second sidewall, 132 edges with the direction perpendicular to Plug Division 112 and junction surface 111 lines, in addition, the first side wall 131 and second sidewall 132 are with respect to interlocking projection 114 positions of insulating base 11 each relative interlocking conduit 136 that is provided with then, and the opening port of interlocking conduit 136 then is positioned at locating near the 3rd sidewall 133.When insulating base 11 makes up with metal shell 13, the 3rd sidewall 133 is positioned at same plane with roof 134 shown in the figure dotted line, it is chimeric to the direction of interface 1301 by the 3rd sidewall 133 places at rear to make interlocking conduit 136 can guide the interlocking projection 114 of insulating base 11, and then insulating base 11 is entered in the accommodation space 130 in the metal shell 13, make the 3rd sidewall 133 approximately be 90 degree and contact the end face 1115 of insulating base 11 in the bending back downwards, can make insulating base 11 be subjected to stopping of the 3rd sidewall 133 and unlikelyly oppositely withdraw from metal shell 13 and the disengaging assembled state with roof 134.

Yet with regard to the composite construction of this insulating base 11 and metal shell 13, it only seems quite not enough by means of the 3rd sidewall 133 as the mode that prevents metal shell 13 disengagings in practical application, in case the Plug Division 112 of insulating base 11 is subjected to being complementary during the excessive grafting strength of electric connector, the end face 1115 that makes the 3rd sidewall 133 be subjected to insulating base 11 is easily pushed backward and is followed overbending direction and is reversed and pushes away, and then cause insulating base 11 and metal shell 13 to have loosening phenomenon to take place, so will cause the situation of poor electric contact and influence the signal Transfer Quality.

The utility model content

Therefore, main purpose of the present utility model is that a kind of preferable electric connector of steadiness of assembling is being provided.

So electric connector of the present utility model comprises an insulating base, several conducting terminal and a metal shell.

This insulating base has a Plug Division for the electric connector contact of being complementary, a junction surface that links to each other with the Plug Division and several connect the terminal channel at this Plug Division and this junction surface, and the junction surface have one with the Plug Division stretch out the opposite end face of direction, an adjacent end face and with the approaching composition surface of this circuit board and one first side and one second side of contiguous engagement face two opposite sides respectively, make on the win side and second side and be respectively equipped with a recess, respectively then be formed with an interference ribs in this recess.

Each conducting terminal places respectively in each corresponding terminal channel of insulating base.

A first side wall and one second sidewall that this metal shell has a roof and extended in the same way by roof two opposite sides edge respectively, make roof, the first side wall and this second sidewall match and define one and hold and the accommodation space of coated insulation pedestal, and the first side wall is first side and second side of relative respectively contact insulating base with second sidewall, make the first side wall and second sidewall be respectively equipped with a stop section that can be absorbed in the relative recess and replace mutually with this interference ribs, the steadiness of assembling by the interference effect reinforced metal housing and the insulating base of stop section and interference ribs.

Description of drawings

Other features of the present utility model and advantage in the detailed description of the preferred embodiment that following cooperation is done with reference to the accompanying drawings, can clearly be understood, in the accompanying drawings:

Fig. 1 is a kind of constructing stereo exploded view of relevant electric connector.

Fig. 2 is the electric connector combination back schematic appearance of Fig. 1.

Fig. 3 is the three-dimensional exploded view of a preferred embodiment of electric connector of the present utility model.

Fig. 4 is a schematic appearance after the combination of this preferred embodiment of Fig. 3.

Fig. 5 is the upward view of this preferred embodiment of Fig. 3, the state of replacing mutually with the interference ribs of a stop section that a metal shell is described and an insulating base.

Embodiment

See also Fig. 2, a preferred embodiment of electric connector 2 of the present utility model comprises an insulating base 21, several conducting terminal 22 and a metal shell 23.

Insulating base 21 has a Plug Division 212, a junction surface 211 that links to each other with Plug Division 212 and several terminal channels 210 by 212 perforation junction surfaces 211, Plug Division.And junction surface 211 have one with the Plug Division 212 opposite end face 2113 of direction that stretches out, one adjacent end face 2113 and with the approaching composition surface 2114 of circuit board (figure do not show) and one first side 2111 and one second side 2112 of contiguous engagement face 2114 two opposite sides respectively, make on first side 2112 and second side 2112 and be respectively equipped with a recess 213, and the length bearing of trend of each recess 213 is identical with Plug Division 212 bearing of trends, and then be formed with one about centre greatly in the recess 213 recess 213 divided into two interference ribs 214, and interference ribs 214 forms an inclined-plane 2141 near a side of Plug Division 212, then forms a vertical plane 2142 near a side of end face 2113.

Each conducting terminal 22 has an inserted terminal 222 and an abutting end 221 in contrast to inserted terminal 222, and each conducting terminal 22 is to plant respectively in each the corresponding terminal channel 210 that is positioned insulating base 21, make inserted terminal 222 be revealed on the Plug Division 212 and electrically contact for the electric connector (figure does not show) that is complementary, abutting end 221 then emergence go out end face 2113 outer and bend after roughly in the same plane with on the relative contact that is welded in a circuit board (scheming not show) with composition surface 2114.

Metal shell 23 has a roof 234 and respectively by a first side wall 231 and one second sidewall 232 of the equidirectional downward extension of roof 234 two opposite sides edge, make roof 234, the first side wall 231 and second sidewall 232 match and define one and hold and the accommodation space 230 of coated insulation pedestal 21, and at 232 positions, Plug Division of corresponding insulating base 21 formation, one insertion mouth 2301, and the first side wall 231 and corresponding respectively first side 2111 and second side 2112 that contacts insulating base 21 of second sidewall 232, make the first side wall 231 and second sidewall 232 be respectively equipped with one to the stop section 235 that accommodation space 230 sinks into, each stop section 235 then has inserts the free end 2351 that mouthful 2301 directions are extended one day.

Consult Fig. 3 simultaneously, Fig. 4 and Fig. 5, electric connector is similar in contrast to inserting mouthfuls 2301 opposite side when inserting mouthful 2301 directions and metal shell 23 and assemble as described above when insulating base 21, the stop section 235 of metal shell 23 just can be absorbed in the recess 213 of corresponding insulating base 21, and can with recess 213 be can be relative movable state, up to interference ribs 214 makes the free end 2351 of stop section 235 slightly produce strain by means of inclined-plane 2141 after and by stop section 235, the free end 2351 of stop section 235 then can be replaced mutually with the vertical plane 2412 of interference ribs 241, so, when the exhausted pedestal of edge 21 stressed and when desiring oppositely away from metal shell 23, free end 2351 by stop section 235 interferes with each other effect with the vertical plane 2142 of interference ribs 214 can prevent effectively that both break away from mutually, and interference ribs 214 also can not change the shape of stop section 235 easily with respect to the active force of stop section 235, the effect that has the vertical plane 2142 of the free end 2351 that makes stop section 235 and interference ribs 214 to push against more on the contrary, the therefore steadiness of reinforced metal housing 23 and insulating base 21 assemblings.

In addition, also the interconnection arrangement structure is the same as described above for the utility model, first side 2111 and second side 2112 at insulating base 21 respectively are provided with an interlocking protuberance 215 respectively, metal shell 23 then is respectively equipped with chimeric with interlocking protuberance 215 a relatively interlocking conduit 236 at the first side wall 231 and second sidewall, 232 places, can guide the assembling of insulating base 21 with metal shell 23 by means of the interlocking protuberance 215 and the packing interaction of interlocking conduit 236.Moreover the roof 234 of metal shell 23 also can connect the 3rd sidewall 233 that the end face 2113 of insulating base 21 can be covered is set.

The above person, it only is preferred embodiment of the present utility model, should not limit scope of the present utility model with this, promptly the simple equivalent of being done according to the utility model claims and utility model description generally changes and modifies, and all should still belong to the scope that the utility model patent contains.

Claims

1. electric connector is characterized in that and can be electrically connected with the electric connector that a circuit board and is complementary respectively that this electric connector comprises:

One insulating base, have a Plug Division for this electric connector contact of being complementary, a junction surface that links to each other with this Plug Division and several connect the terminal channel at this Plug Division and this junction surface, and having one, this junction surface stretches out the opposite end face of direction, in abutting connection with this end face and with the approaching composition surface of this circuit board and respectively in abutting connection with one first side and one second side of this composition surface two opposite sides with this Plug Division, make to be respectively equipped with a recess on this first side and this second side, respectively then be formed with an interference ribs in this recess;

Several conducting terminals place respectively in each opposite end subchannel of this insulating base;

One metal shell, the first side wall and one second sidewall that have a roof and extend in the same way by this roof two opposite sides edge respectively, make this roof, this the first side wall and this second sidewall match and define an accommodation space that holds and coat this insulating base, and this first side wall is first side and second side of relative respectively this insulating base of contact with this second sidewall, make this first side wall and this second sidewall be respectively equipped with a stop section that can be absorbed in this relative recess and replace mutually with this interference ribs, strengthen the steadiness that this metal shell and this insulating base are assembled by the interference effect of this stop section and this interference ribs.

2. electric connector as claimed in claim 1, it is characterized in that, first side and second side at this insulating base respectively are provided with an interlocking protuberance respectively, and this metal shell then is respectively equipped with a relative and chimeric interlocking conduit of this interlocking protuberance at the first side wall and second side-walls.

3. electric connector as claimed in claim 1 is characterized in that, this metal shell also is provided with one in abutting connection with this roof and cover the 3rd sidewall of the junction surface end face of this insulating base.