CN201112671Y

CN201112671Y - Electric connector

Info

Publication number: CN201112671Y
Application number: CNU2007200405431U
Authority: CN
Inventors: 林旻翰; 徐国峻
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-07-04
Filing date: 2007-07-04
Publication date: 2008-09-10
Anticipated expiration: 2017-07-04

Abstract

The utility model provides an electric connector used for connecting a flexible circuit board, which comprises a pedestal, a press cover arranged on the pedestal, a plurality of terminals stored inside the pedestal, and fixing pieces fixed at two ends of the pedestal. The pedestal is provided with an elongated storage groove for storing the flexible circuit board. A baffle plate is arranged on the side wall at one side of the elongated storage groove and convexly extends into the elongated storage groove. The fixing pieces are provided with a clamping part which extends convexly into the elongated storage groove. The press cover is provided with a main body which is inserted into the elongated storage groove and used to support the flexible circuit board. The main body is also provided thereon with a protrusion relative to the baffle plate on the pedestal, and the surface thereof is provided with concave grooves capable of being locked with the clamping parts of the fixing pieces. When the press cover is mounted onto the pedestal,, a comfortable operational hand feeling can be produced. The protrusion is leaned against the front end part of the flexible circuit board, so that the flexible circuit board is completely blocked by the baffle plate of the pedestal, thereby increasing the retention force on the flexible circuit board and the pedestal.

Description

Electric connector

[technical field]

The utility model discloses a kind of electric connector, relates in particular to a kind of electric connector that is installed on the circuit board and is used to connect flexible PCB.

[background technology]

At present, people realize electric connection between flexible PCB (FPC) and printed circuit board (PCB) with a kind of electric connector usually.The novel patent announcement of TaiWan, China has disclosed a kind of electric connector that connects flexible PCB No. 461630, it comprises insulating body, some conducting terminals that are contained in the insulating body, gland and be immobilizated in the fixture at insulating body two ends, insulating body offers the long and narrow accepting groove that is used to accommodate flexible PCB, described gland comprises main part that is contained in the long and narrow accepting groove and the fixed arm that is extended by the main part two ends, after described flexible PCB is packed in the long and narrow accepting groove of insulating body, gland is installed on the insulating body, and the main part of gland stretches in the long and narrow accepting groove and applies pressure to described flexible PCB and it stablized with the conducting terminal in the long and narrow accepting groove contact.Yet, be installed in the process of insulating body at gland, operating personnel mostly just rely on the fixed arm of gland and the installation that described fixture buckle is realized gland, thereby can't precisely hold the installment state of main part in long and narrow accepting groove of gland, and stressed not at that time when the main part of described gland, make flexible PCB in long and narrow accepting groove, be subjected to displacement easily.

Therefore, at the problems referred to above, be necessary to propose a kind of new electric connector to address the above problem.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector that is used to connect flexible PCB, its can give operating personnel with good operating handle and increase flexible PCB and electric connector between confining force.

For achieving the above object, the utility model adopts following technical scheme: a kind of electric connector, it comprises pedestal, be contained in the plurality of terminals in the described pedestal, be immobilizated in the fixture in the described pedestal and be installed on gland on the pedestal, described pedestal comprises sidewall and end wall, sidewall comprises the first side wall and second sidewall, itself and end wall form an accepting groove, described the first side wall is provided with some terminal accommodating conduits that communicate with this accepting groove, terminal accommodating is in described terminal accommodating conduit, it is provided with the contact site that protrudes in the described accepting groove, described fixture is provided with holding part, gland is provided with the main part in the accepting groove that is contained in pedestal, the surface of described gland main part is provided with projection in the position of the described fixture of correspondence, offers the groove that engages with the holding part of described fixture on this projection.

Compared with prior art, the utility model electric connector is provided with projection by the main part both sides at gland and offers groove structure with the fixture buckle on projection, operating handle when increasing the gland plug with this, projection presses on and makes the fore-end of flexible PCB be blocked by the block on the pedestal fully on the flexible PCB simultaneously, has increased the confining force between flexible PCB and pedestal.

[description of drawings]

Fig. 1 is pack into a three-dimensional combination figure before the T type flexible PCB of the utility model electric connector.

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

Fig. 3 is the part exploded perspective view at another visual angle of the utility model electric connector.

Fig. 4 is the stereogram of the gland of the utility model electric connector shown in Figure 3.

Fig. 5 is an electric connector shown in Figure 1 profile along hatching A-A.

Fig. 6 is an electric connector shown in Figure 1 profile along hatching B-B.

Fig. 7 is an electric connector shown in Figure 1 profile along hatching C-C.

[embodiment]

See also shown in Figure 1, the utility model provides a kind of electric connector 100, it is used to electrically connect the flexible PCB 200 that flexible PCB relates in particular to a kind of T of having type portion 201, and described electric connector 100 comprises that one is fixed in the pedestal 1 of printed circuit board (PCB), the gland 2 that is installed on pedestal 1 top, some fixtures 4 that is contained in the terminal 3 in the pedestal 1 and is immobilizated in pedestal 1 two ends.

See also Fig. 2 and shown in Figure 3, the roughly rectangular structure of pedestal 1, it comprises two mutual parallel and the sidewall of longitudinal extension and the end walls 13 of this two side of a pair of connection.Described sidewall comprises the first side wall 11 and second sidewall 12, and the long and narrow accepting groove 14 that this two side and end wall 13 form a sealing is used to accommodate described T type flexible PCB 200.Described the first side wall 11 is provided with first inner surface 110, offer some terminal accommodating conduit 15 and a pair of holding slots 16 that are used for fixing fixture 4 that are used to accommodate terminal 3 on it, described holding slot 16 is positioned at the both sides of terminal accommodating conduit 15, terminal accommodating conduit 15 and holding slot 16 communicate with described long and narrow accepting groove 14, first inner surface 110 of the first side wall 11 at described holding slot 16 places is provided with the block 17 that protrudes into long and narrow accepting groove 14, and the both sides that this block 17 is positioned at described terminal accommodating conduit 15 are contained in the T type flexible PCB 200 of long and narrow accepting groove 14 with the location.Offer the holding hole 120 of some fixing terminals 3 and the fixing passage 121 of fixing fixture 4 on described second sidewall 12, terminal accommodating conduit 15 and the corresponding one by one setting of holding slot 16 on described holding hole 120 and fixing passage 121 and the described the first side wall 11.Described end wall 13 is positioned at the two ends of pedestal 1, it is parallel to each other and perpendicular to the described the first side wall 11 and second sidewall 12, the outer surface of end wall 13 is formed with latch part, and this latch part comprises accommodation section 130, is located at the projection 131 in the accommodation section 130 and is parallel to end wall 13 and be the blocking arm 132 of horizontal positioned.

Gland 2 is a lengthwise type insulator, the cap 23 that it comprises main part 21, is located at the hold-down arm 22 of main part 21 both sides and is positioned at main part 21 and hold-down arm 22 tops.See also Fig. 2 and shown in Figure 6, described main part 21 is long and narrow sheet and is contained in the long and narrow accepting groove 14 of described pedestal 1 in order to compress T type flexible PCB 200, it is provided with a smooth inner surface, this flat inner surface is formed with the square projection 24 of the block 17 corresponding settings of a pair of and the first side wall 11 inner surfaces in the dual-side place of main part 21, these square projection 24 more described blocks 17 are along the bottom that more is close to long and narrow accepting groove 14 on T type flexible PCB 200 direction of insertion, and its surface is provided with the V-shape groove 241 of a recessed flat surfaces to main part 21.Hold-down arm 22 is contained in the accommodation section 130 on the end wall 13 of described pedestal 1, its inner surface be provided with accommodation section 130 in projection 131 fin 221 that interlocks and hold, and outer surface be provided with in order to the card division 222 of blocking arm 132 buckles.Cap 23 is a horizontal plate, and it is formed at the top of described main part 21 and hold-down arm 22 and connects main part 21 and hold-down arm 22, and described cap 23 is perpendicular to described main part 21 and hold-down arm 22.

Please join Fig. 2 and shown in Figure 5, terminal 3 is contained in the terminal accommodating conduit 15 of described pedestal 1, and it comprises the base portion 31 of being located at described long and narrow accepting groove 14 bottoms, extended upward and be immobilizated in fixing arm 32 in the holding hole 120 of described second sidewall 12 by base portion 31, respectively by the bottom of fixing arm 32 and base portion 31 extends and the contact arm relative with described fixing arm 32 and extend horizontally away the outer weld part 35 of pedestal 1 by base portion 31.Described contact arm comprises first contact arm 33 and second contact arm 34, it all is contained in the terminal accommodating conduit 15 of the first side wall 11 of described pedestal 1, and described first contact arm 33 and second contact arm 34 are respectively equipped with first contact site 331 and second contact sites 341 that protrude in the long and narrow accepting groove 14 and electrically contact with T type flexible PCB 200.

See also Fig. 2 and shown in Figure 6, fixture 4 is immobilizated in the holding slot 16 at the first side wall 11 two ends of pedestal 1, its structure is similar to terminal 3, the fixing arm 42 that comprises base portion 41, extended vertically upward by base portion 41, extend horizontally away pedestal 1 and is welded in weld part 44 on the printed circuit board (PCB) by the extended button gripping arm 43 in fixing arm 42 bottoms and by base portion 41.Described base portion 41 is contained in the bottom of the long and narrow accepting groove 14 of pedestal 1, fixing arm 42 is immobilizated in the fixing passage of offering on second sidewall 12 121,43 of described button gripping arms are contained in the holding slot 16 and with fixing arm 42 and are oppositely arranged, and the end of button gripping arm 43 is formed with a holding part 431 that protrudes in the long and narrow accepting groove 14.

After described terminal 3 is fit in the pedestal 1 respectively with fixture 4, described T type flexible PCB 200 is inserted in the long and narrow accepting groove 14 of pedestal 1 and with terminal 3 and electrically contacts, then, gland 2 from top to bottom is mounted on the pedestal 1, wherein, main part 21 is inserted in the long and narrow accepting groove 14 and applies pressure to described T type flexible PCB 200, make T type flexible PCB 200 firmly contact with terminal 3, hold-down arm 22 be contained in the accommodation section 130 at described end wall 13 places and with accommodation section 130 in projection 131 mutually button hold.The square projection 24 of described main part 21 in the installation process of gland 2 with pedestal 1 in fixture 4 interfere mutually, and interfering edge is gradually by little increase, when gland 2 main parts 21 insert in the long and narrow accepting groove 14 fully, groove 241 on the described square projection 24 realizes that with the holding part of described fixture 4 431 button is held mutually, this moment, interfering edge became minimum suddenly, and this process is given the strong operating handle of operating personnel.Simultaneously, the block 17 of corresponding position all is located at the both sides of long and narrow accepting groove 14 on square projection 24 and the first side wall 11, see also shown in Figure 7, after flexible PCB 200 inserts long and narrow accepting groove 14 fully, the below of described square projection 24 partly presses on the T type portion 201 of T type flexible PCB 200 front ends, this T type portion 201 is extracted on the direction along flexible PCB to be blocked by the block 17 of pedestal 1 fully, thereby make flexible PCB 200 be difficult to produce and extract displacement on the direction, increased the confining force of flexible PCB 200 in long and narrow accepting groove 14 towards gland 2 directions.

The utility model electric connector is mainly by establishing the square projection 24 of groove 241 in offering on gland 2, fixture 4 in itself and the pedestal 1 button is mutually held the operating handle that increases operating personnel, by this projection 24 the T type portion 201 of flexible PCB 200 is blocked fully by the block 17 in the pedestal 1 simultaneously, strengthened the confining force of flexible PCB.

Claims

1. electric connector, it comprises pedestal, be contained in the plurality of terminals in the described pedestal, be immobilizated in the fixture in the described pedestal and be installed on gland on the pedestal, described pedestal comprises sidewall and end wall, sidewall comprises the first side wall and second sidewall, itself and end wall form an accepting groove, described the first side wall is provided with some terminal accommodating conduits that communicate with this accepting groove, terminal accommodating is in described terminal accommodating conduit, it is provided with the contact site that protrudes in the described accepting groove, described fixture is provided with holding part, gland is provided with the main part in the accepting groove that is contained in pedestal, it is characterized in that: the surface of described gland main part is provided with projection in the position of the described fixture of correspondence, offers the groove that engages with the holding part of described fixture on this projection.

2. electric connector as claimed in claim 1 is characterized in that: described pedestal is provided with the block in the corresponding accepting groove that is provided with and protrudes into pedestal of projection with gland.

3. electric connector as claimed in claim 2 is characterized in that: described block is formed on the pedestal accepting groove side walls, and extends to the accepting groove bottom.

4. electric connector as claimed in claim 3 is characterized in that: after described gland main part inserted accepting groove fully, the block on the more described pedestal of the projection on the main part more was close to the bottom of accepting groove.

5. electric connector as claimed in claim 4 is characterized in that: the main part of described gland and the first side wall of pedestal are oppositely arranged, and the projection of described gland is protruding in the first side wall.

6. electric connector as claimed in claim 1 is characterized in that: the inner surface of the first side wall of described pedestal is provided with the holding slot of the described fixture of fixing, and this holding slot is positioned at the both sides that described plurality of terminals is accommodated conduit, and communicates with described pedestal accepting groove.

7. electric connector as claimed in claim 6 is characterized in that: described projection is located at the both sides of gland main part, and the groove of described projection is V-shape, and it is formed by the surface depression of projection.

8. electric connector as claimed in claim 7, it is characterized in that: described fixture comprises that the fixing arm that is extended vertically upward by base portion reaches by the extended button gripping arm in fixing arm bottom, described button gripping arm is contained in the holding slot, and its end protrudes into and forms described holding part in the accepting groove.

9. electric connector as claimed in claim 8, it is characterized in that: described terminal comprises the contact arm in the terminal accommodating conduit that is contained in the first side wall, this contact arm comprises first contact arm and second contact arm that all from bottom to top is provided with, its end is formed with first contact site and second contact site in the accepting groove that protrudes into pedestal respectively, constitutes the contact site of described terminal.

10. electric connector as claimed in claim 9 is characterized in that: described gland comprises the hold-down arm of being located at described main part both sides, and it is immobilizated in the two ends of described pedestal.