CN2682623Y

CN2682623Y - Electric connector for flexible circuit interface

Info

Publication number: CN2682623Y
Application number: CNU2004200018666U
Authority: CN
Inventors: 蔡周旋
Original assignee: TUOYANG IND CO Ltd
Current assignee: TUOYANG IND CO Ltd; Top Yang Technology Enterprise Co Ltd
Priority date: 2004-01-14
Filing date: 2004-01-14
Publication date: 2005-03-02
Anticipated expiration: 2014-01-14

Abstract

The utility model provides an electric connector of flexible circuit interface, comprising a socket with a plurality of terminal slots and a connecting slot. The front end of the socket is provided with an inserting opening for inserting a flexible circuit interface. The terminal slot is provided with an upper wall surface and a lower wall surface facing each other, and the upper wall surface is provided with a lower surface and a higher surface in jump from the front to the back. A plurality of terminals are arranged in the terminal slots, and every terminal is provided with a fixed arm, a longitudinal portion, a clamping arm of force and an elastic arm. The front end of the clamping arm of force is provided with a contacting point, and the elastic arm extends backward and elastically and tightly contacts against the upper wall surface of the terminal slot. A connecting feet is connected to the back end of the fixed arm, and two fixed elements are sheathed on the sleeve joint portion on both sides of the socket, and is fixed on a circuit board to make the socket slide in the canonical stroke of the fixed elements. The socket of the utility model is a single plastic body, and can make the flexible circuit board be tightly positioned after zero inserting. The manufacture is easy and the production cost can be reduced.

Description

The electric connector of flexible circuit interface

Technical field

The utility model relates to a kind of electric connector, is meant a kind of electric connector of flexible circuit interface especially.

Background technology

See also Fig. 1 and Fig. 2, be a kind of electric connector (can connect flexible circuit board or soft arranging wire) of known flexible circuit interface, it includes a pedestal 10, several terminals 15, a packing element 20; Wherein this pedestal 10 is to be separated into a several terminals groove 12 and a link slot 13 by shim 11; This terminal 15 is to be provided with a pin portion 16, two side arms 17, an and elastic arm 18, and this pin portion 16 stretches out outside the pedestal 10, this two side arms 17 and terminal groove 12 packings, and this elastic arm 18 is provided with a contact 19 that is protruding to link slot 13; This packing element 20 is that both sides are connected on the pedestal 10, and it is provided with a packing sheet 21 that protrudes, and this packing sheet 21 is the link slots 13 that can fill in this pedestal 10.

See also Fig. 3, the electric connector of known flexible circuit interface is packing element 20 is pulled out and to face upward in use, flexible circuit board 25 0 intercalations are gone in the link slot 13, as shown in Figure 4, when again the packing sheet 21 of packing element 20 being filled in link slot 13, can be electrically connected with the contact 19 of terminal 15 by packing flexible circuit board 25.

Above-mentioned known design has following shortcoming: come packing flexible circuit board 25 to be electrically connected by this packing element 20, so essential clamping packing element 20 in the both sides of its pedestal 10, yet the electric connector volume of flexible circuit interface is just very little originally, more hour then pedestal 10 can be littler for few or spacing when number of terminals, so to design two very small components (pedestal 10 and packing element 20) mutually clamping slide and make packing sheet 21 fill in the link slot 13 of this pedestal 10, very difficult, precision is very high, because the product of assembling has cumulative limit, assemble at two very little objects, very high precision need be arranged, otherwise cause assembly failure because of both cumulative limit.

Conventional designs also has the design of a kind of cover-lifting type, and its packing element is to adopt the flip mode to reach packing or loosen flexible circuit board, makes up so it equally also is the pivot joint of two of pedestal and packing elements, so also have above-mentioned shortcoming.

The utility model content

Main purpose of the present utility model is to provide a kind of electric connector of flexible circuit interface, and its pedestal is the unitary plastic body, flexible circuit board zero intercalation is gone into after packing location again, reach simpler and easy in the manufacturing by this, can reduce production costs.

Another purpose of the present utility model is to provide a kind of electric connector of flexible circuit interface, though its terminal and pedestal can slide mutually, but right terminal still elasticity push against terminal groove.

Another purpose of the present utility model is to provide a kind of electric connector of flexible circuit interface, the clamping arm of force of its terminal can produce bigger elastic force clamping flexible circuit board than weak point, and the elasticity arm of force of terminal can produce preferable elasticity than length, it is comparatively smooth and easy that pedestal is slided, yet but still can effectively clamp flexible circuit board.

For reaching above-mentioned purpose, the utility model provides a kind of electric connector of flexible circuit interface, and it comprises a pedestal and several terminals, it is characterized in that:

These pedestal both sides respectively are provided with a socket part, be provided with the shim that several are equidistantly arranged in this pedestal, form a several terminals groove and a link slot by these several shims, the insertion mouth that the confession one flexible circuit interface that this pedestal front end is a link slot inserts, this terminal groove is provided with relative upper wall surface and lower wall surface, this upper wall surface is provided with a bottom surface and a high face that is jump backward by front end, is provided with one between this high face and bottom surface and imports the inclined-plane;

This several terminals is to be located in the terminal groove of this pedestal, and each terminal is integrally formed with: a fixed arm, the lower wall surface that it is horizontal expansion and fits in this terminal groove; One longitudinal part is the leading portion that is connected in this fixed arm, is longitudinal extension; One elastic arm, it is the upper end that is connected in this longitudinal part, this elastic arm comprises a clamping arm of force and an elasticity arm of force, this clamping arm of force is by the horizontal expansion forward of this longitudinal part, it is provided with a contact point that protrudes downwards near front end, this elasticity arm of force is by the horizontal expansion backward of this longitudinal part, and it pushes against upper wall surface in terminal groove than this chucking power brachium and elasticity; This pin is the rear end that is connected in fixed arm; And

Two retaining elements, it is the socket part that fit is located at the pedestal both sides, this retaining element is to be fixed on the circuit board, and this pedestal becomes to be slidingly matched with this retaining element, and the elasticity arm of force of elastic arm that makes this several terminals is in springing between high and low of the upper wall surface of this terminal groove.

The electric connector of described flexible circuit interface is characterized in that: the clamping arm of force of the elastic arm of this terminal is to have a down dip forward.

The electric connector of described flexible circuit interface is characterized in that: the elasticity arm of force tail end of the elastic arm of this terminal can be provided with the importing inclined-plane that imports inclined-plane and this terminal groove upper wall surface and fit.

The electric connector of described flexible circuit interface is characterized in that: the pin of this terminal is horizontal-extending.

The electric connector of described flexible circuit interface is characterized in that: it is tabular that the longitudinal part of this terminal is circular arc.

By above structure, utilize the elasticity arm of force that the slip of pedestal makes this several terminals in springing between high and low of the upper wall surface of this terminal groove, so can make clamping limb and flexible circuit interface form packing and lax effect.

Above-mentioned and other purpose of the present utility model, advantage and characteristic by in the detailed description of following preferred embodiment and with reference to graphic when can be clearer, wherein:

Description of drawings

Fig. 1 is the stereogram of the electric connector of known flexible circuit interface.

Fig. 2 is the profile of the electric connector of known flexible circuit interface.

Fig. 3 is the first user mode figure of the electric connector of known flexible circuit interface.

Fig. 4 is the second user mode figure of the electric connector of known flexible circuit interface.

Fig. 5 is the three-dimensional exploded view of preferable first embodiment of the utility model.

Fig. 6 is the three-dimensional combination figure of the utility model preferred embodiment.

Fig. 7 is the side-looking sectional exploded view (pedestal and terminal) of the utility model preferred embodiment.

Fig. 8 is the side-looking section constitutional diagram (pedestal and terminal) of the utility model preferred embodiment.

Fig. 9 is the terminal action schematic diagram of the utility model preferred embodiment.

Figure 10 is the first user mode figure of the utility model preferred embodiment.

Figure 11 is the second user mode figure of the utility model preferred embodiment.

Figure 12 is the 3rd user mode figure of the utility model preferred embodiment.

Embodiment

See also Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the utility model is to include a pedestal 30, several terminals 50, and two retaining elements 60, wherein:

Pedestal 30 is a plastic material, its inside is provided with several shims of equidistantly arranging 31, form a several terminals groove 32 and a link slot 33 by these several shims, the insertion mouth 34 that this pedestal front end is a link slot 33 inserts for flexible circuit board (or soft arranging wire), this terminal groove 33 is provided with lower wall surface 35 and the upper wall surface of facing mutually 36, this upper wall surface 36 is by a preceding bottom surface 37 and the high face 38 that is jump that then be provided with, this

high face

38 and 37 of bottom surfaces are provided with one and import inclined-plane 39, and this high face 38 is the latter ends that are positioned at upper wall surface 36; The pedestal both sides respectively are provided with a socket part 42 in addition, and this socket part 42 is provided with a platform 43, and the central authorities of this platform 43 are provided with a fixture block 44, and fixture block 44 outsides are provided with the guide face 45 that is inclination, are easy to be inserted in order to this retaining element 60.

Several terminals 50 is terminal grooves 32 of being located at this pedestal 30, and each terminal 50 is integrally formed with: a fixed arm 51, the lower wall surface 35 that it is lateral extensometer and fits in this terminal groove 32; One longitudinal part 52 is the leading portions that are connected in this fixed arm 51, and it is tabular and be longitudinal extension that it is circular arc; One elastic arm 53, it is the upper end that is connected in this longitudinal part 52, elastic arm 53 comprises a clamping arm of force 54 and an elasticity arm of force 55, this clamping arm of force 54 is by the horizontal expansion and slightly dipping down forward of this longitudinal part 52, it is provided with a contact point 56 that protrudes downwards near front end, this elasticity arm of force 55 is by this longitudinal part 52 horizontal expansion backward, long than the clamping arm of force 54, its elasticity pushes against the upper wall surface 36 in terminal groove 32, and its tail end is provided with the importing inclined-plane 39 that imports inclined-plane 57 and this terminal groove upper wall surface and fits; This pin 58 is the rear ends that are connected in fixed arm 51.

Two retaining elements 60 are socket parts 42 that fit is located at the pedestal both sides, it is to be fixed on the circuit board, this pedestal 30 can be slided in the scope that this retaining element 60 is engaged, the elasticity arm of force 55 of elastic arm that makes this several terminals 50 is in the height of the upper wall surface of this terminal groove,

bottom surface

38,37 springing, the cross section of this retaining element 60 is the ㄈ shape, be provided with top board 61 and base plate 62, the central authorities of this top board 61 are provided with a perforate 63 than these fixture block 39 length, behind socket part 42 fits of itself and pedestal, this perforate 63 engages with fixture block 44, and fixture block 44 can be slided in this perforate 63.

See also Fig. 9, terminal construction of the present utility model, be to be provided with a vertical plate 52 in fixed arm 51 and 53 of elastic arms, so this elastic arm 53 is with the base portion (similar fulcrum) of this vertical plate 52 as interlock when stressed start, when the elasticity arm of force is bent for 55 stressed times, this clamping arm of force 54 can make progress by interlock, reach the springing of the clamping arm of force 54 by this, so in design, this elasticity arm of force 55 can have preferable elasticity than length, so can be easy to the application of force, the clamping arm of force 54 can have stronger chucking power because of the rigidity of metal than weak point, and can guarantee the clamping flexible circuit board, in addition, this longitudinal part 52 is tabular order of circular arc to have clamping limb 54 and with the elasticity arm of force 55 preferable springing effect is arranged.

Then the action of flexible circuit board is inserted in explanation, see also Figure 10, the pin 58 of this each terminal is to be welded on the circuit board 70 in the use, this two retaining element 60 also need be fixed this circuit board 70 simultaneously, when pedestal 30 is pushed away terminal 50 forward, the high face 38 of the upper wall surface of terminal groove 32 can be depressed the elasticity arm 55 of this terminal 50, so make this clamping arm of force 54 be pulled and up perk, 56 of its contact points with rising, promptly abdicate the space of link slot 33 this moment, can zero intercalation go into a flexible circuit board 72, see also Figure 11, then, pedestal 30 is pushed back terminal 50 backward, when the importing inclined-plane 39 of pedestal 30 gradually gradually moves along the importing inclined-plane 57 of the elasticity arm of force 55 of terminal, this moment, 55 of the elasticity arm of forces were because of gradually perk of elastic force, 54 of this clamping arm of forces make its contact point 55 this flexible circuit board 72 of clamping that gradually descends because of downward resilience force, see also Figure 12, when pedestal 30 is retracted into the location, 55 of the elasticity arm of forces of terminal recoil to the highest and are butted on the bottom surface 37 of the upper wall surface of terminal groove, this clamping arm of force 54 then more stoops and clamps flexible circuit board 72 with the elastic force of maximum, this moment 72 of this flexible circuit boards firm be clamped to the clamping arm of force 54 and fixed arm 51 between, the elastic force of rigidity clamps flexible circuit board 72 and can have comparatively because this clamping arm of force 54 is short, so can guarantee to be electrically connected effect.

By above explanation, the utility model can be concluded following advantage:

1. pedestal 30 of the present utility model only is single plastic body, and not needing as known flexible circuit interface electric connector is the pivot joint cover group of two elements, so the utility model is very simple and easy on making.

2. though terminal 50 of the present utility model can slide mutually with pedestal 30, so because of the lower wall surface 35 of the fixed arm 51 abutment end pilot trench of terminal 50, the upper wall surface 36 that former elasticity by this elasticity arm of force 55 is butted on terminal groove can be located, and the high face 38 that cooperates upper wall surface 36 ends, terminal 50 is subjected to high face 38 not to be stopped more and can break away from pedestal 30, does not need when Gu Dangshang is not welded in circuit board to locate each terminal 50 by his thing.

3. the socket part 42 of pedestal 30 engages with retaining element 60 sockets, so pedestal 30 unlikely excessive pulling out and separating with terminal 50.

4. the clamping arm of force 54 of terminal can produce bigger elastic force clamping flexible circuit board than weak point, and the elasticity arm of force 54 of terminal can produce preferable elasticity than length, make at slip pedestal 30 comparatively smooth and easy, yet but still can effectively clamp flexible circuit board.。

5. the clamping arm of force 53 of terminal still has suitable elasticity when the clamping flexible circuit board, can avoid excessively clamping flexible circuit board and causes operation inconvenience.

The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to be easy to illustrate technology contents of the present utility model, and be not with the utility model narrow sense be limited to this embodiment, in fact the utility model also can be made many variations and implements.

Claims

1. the electric connector of a flexible circuit interface, it comprises a pedestal and several terminals, it is characterized in that:

Two retaining elements are socket parts that fit is located at the pedestal both sides, and this retaining element is to be fixed on the circuit board, and this pedestal becomes to be slidingly matched with this retaining element.

2. the electric connector of flexible circuit interface as claimed in claim 1 is characterized in that: the clamping arm of force of the elastic arm of this terminal is to have a down dip forward.

The electric connector of 3 flexible circuit interfaces as claimed in claim 1 is characterized in that: the elasticity arm of force tail end of the elastic arm of this terminal is provided with the importing inclined-plane that imports inclined-plane and this terminal groove upper wall surface and fits.

4. the electric connector of flexible circuit interface as claimed in claim 1 is characterized in that: the pin of this terminal is horizontal-extending.

5. the electric connector of flexible circuit interface as claimed in claim 1 is characterized in that: it is tabular that the longitudinal part of this terminal is circular arc.