Electrical connectors – With supporting means for coupling part – Supporting plural – independent coupling parts
Reexamination Certificate
2003-08-28
2004-11-02
Ta, Tho D. (Department: 2833)
Electrical connectors
With supporting means for coupling part
Supporting plural, independent coupling parts
C439S079000
Reexamination Certificate
active
06811433
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an electrical connector, and particularly to the connector installed on an electrical circuit board, which can be used to transfer the electrical information during the connection with at least two mating connectors.
DESCRIPTION OF RELATED ART
Referring to the
FIG. 1
,
FIG. 2
, and
FIG. 3
, it is from the patent of application Ser. No. 90212621 (R.O.C. publication no. 493804), and with the name “connector II”, in which the connector
1
can be used to be connected with a matching coupled electrical connector (is not shown in the Figure), from the connection the electrical information can be transferred. The electrical connector
1
mainly includes an insulative housing
10
, a conductive terminal module
2
, and two plate lockers
15
.
The insulative housing
10
is formed by a long rectangular body
11
having two ends, an insertion part
12
connecting the body
11
, an insertion guiding part
13
, a supporting part
16
, and in addition further two connection parts
14
.
The body
11
has a first face
111
for connecting a coupled electrical connector; a second face
112
opposite to the first face
111
; a first end
113
extending from an end of the longitudinal body
11
, a second end
114
extending on an opposite end thereof relative to the first end
113
; a first dependent plate
115
; a second dependent plate
116
, both the first dependent
115
and the second dependent plate
116
are face to each other and together defined by the first face
111
, the second face
112
, the first end
113
and the second end
114
; and a plurality of terminal through holes
117
arranged on the body
11
for penetrating from the first face
111
to the second face
112
. For assembly, either the first dependent plate
115
or the second dependent plate
116
could be installed towards a circuit board
3
.
The insertion part
12
is connected to the first face
111
and extends outwardly from the first face
111
. The insertion part
12
has a connection plane
121
and a back plane
122
, the connection plane
121
has a plurality of terminal receiving grooves
1211
, respectively, corresponding to the terminal through holes
117
, and in addition the connection plane
121
provides an idiot-proofing block
1212
preventing from error install. The back plane
122
has a holding recess
1221
.
The insertion guiding part
13
, also, is connected to the first face
111
and extends outwardly from the first face
111
. The insertion guiding part
13
and the insertion part
12
together define a gap therebetween. The insertion guiding part
13
has a guiding recess
131
at a side thereof adjacent to the insertion part
12
. In similar way the supporting part
16
is formed on the first face
111
adjacent to the second end
114
, and extends outwardly from the first face
111
. The supporting part
16
and the insertion guiding part
13
are symmetrically arranged on the body
11
.
Besides, the two connection parts
14
are connected to the second face
112
and adjacent to, respectively, the first end
113
and the second end
114
of the body
11
, the two connection parts
14
extend outwardly from the second face
112
. The connection parts
14
each has a bottom plate
142
for contacting to the circuit board
3
, a top plate
141
opposite to the bottom plate
142
, and a connecting hole
143
relative to a fixing hole
32
arranged on the circuit board
3
for penetrating thereof from the top plate
141
to the bottom plate
142
.
The conductive terminal module
2
has a plurality of conductive terminals
21
abreast, the conductive terminals
21
each has a plurality of first contacts
211
fixedly contained in each the terminal receiving grooves
1211
, and a plurality of second contacts
212
outwardly protruded on the second face
112
between the two connection parts
14
for respectively penetrating through the terminal through holes
117
.
The plate lockers
15
each has a stopping strip
151
, and a fastening buckle
152
corresponding to the stopping strip
151
. The fastening buckle
152
has two flexibly deformable hooks
1521
at an end thereof for projecting outwardly in two directions opposite to each other. While the fastening buckle
152
penetrates from the top plate
141
through the connecting hole
143
into the fixing hole
32
, the hooks
1521
each hooks an opposite rim of the fixing hole
32
, and the stopping strip
151
retains in the connecting hole
143
.
For assembly with the circuit board
3
, the circuit board
3
has a rectangular recess matching the electrical connector
1
at an edge thereof, a plurality of soldering pins
31
respectively corresponding to the conductive terminals
21
, and the two fixing holes
32
each corresponding to the connecting hole
143
for the bottom plate
141
of the two connection parts
14
of the insulative housing
10
electrically connection with an surface of the circuit board
3
at the same time. The second contact
212
is correspondingly soldered to each the soldering pins
31
by surface mounted technology for electrical connection. While the fastening buckle
152
penetrates through the connecting hole
143
to connect with the fixing hole
32
of the circuit board
3
by the hooks
1521
.
After that, the guiding recess
131
and the holding recess
1221
guide and position the matching the mating connector to the insertion part
12
, furthermore the mating connector transfers electrical information by contacting with the first contact
211
for connection to the circuit board
3
.
Whereby the two plate lockers
15
restrict a relative position between the insulative housing
10
and the circuit board
3
, the plate lockers
15
will bear lots of resistance to share the loading of the conductive terminals
21
in the condition of inserting connection of the mating connector or the condition of compact of the lateral force after the insertion of the mating connector. On the presupposition of the electrical connector standardization, position-matching abilities of the insulative housing
10
and the circuit board
3
can be improved to prevent the failure of the electrical connector
1
from the destruction of the conductive terminals
21
.
Although the electrical connector
1
can provide advantages mentioned above by the two plate lockers
15
restricting a relative position between the insulative housing
10
and the circuit board
3
. The electrical connector
1
just provides only one inserting connection with the circuit board
3
for just only one mating connector, and fails to meet the requirement by addition of mating connectors. It needs therefore to add a plurality of fixing holes at a predetermined position on the circuit board
3
, respectively corresponding to a plurality of electrical connectors
1
, which are arranged in a similar way at the edge of the same surface in sequence or are staggered up and down at the edge of two opposite surfaces, for respectively insertion with a plurality of mating connectors. But above action will correspondingly lead to increasing area of the circuit board
3
resulting in increasing volume of electrical equipment, and will not achieve the goal of small size with means light.
Therefore, the above-mentioned prior art electrical connector, obviously, has inconvenience and disadvantages in practice, and the improvement is required.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an electrical connector including a plurality of insertion parts for inserting connection with a plurality of mating connectors and electrical connection with a circuit board, and in a stacked type without increasing area of the circuit board and volume of the electrical equipment to achieve the goal of the small size with means light.
In order to achieve the object set forth, an electrical connector, which electrically connects to a circuit board and provides inserting connection with two mating connectors, has an insulative housing forming a body and two insertion parts respectively connected t
Molex Incorporated
Ta Tho D.
Zeitler Robert J.
LandOfFree
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