CN209104406U - Flake terminal - Google Patents

Abstract

The utility model discloses a kind of flake terminal, comprising: an interconnecting piece, a shoulder, an elastic portion and a pin part for sequential connection；Wherein, there is a fish eyelet in the elastic portion, which is melon seeds hull shape, and the elastic portion two sides are respectively provided with a barb structure.The utility model can increase the reliability contacted with pcb board.

Description

Flake terminal

Technical field

The utility model relates to a kind of electric connection component, in particular to a kind of forced wiring flake terminal.

Background technique

Connecting terminal is a significant components in electric utility as one kind of connector.With the hair of electronics industry Exhibition, the use scope of connecting terminal is more and more, and type is also more and more.Press in type connection terminal is one of important Type, when in use only need to by pin be pressed into pcb board (wiring board) conductive hole, do not need welding can make connector with Pcb board has closely connection to conduct electric signal, reliability with higher, and has substitutability, if there is the feelings of damage Condition directly renews from pcb board removal, convenient and efficient.

Forced wiring flake terminal in the prior art, such as side wall disclosed in Chinese patent CN203103573U are recessed Enter formula flake terminal, the flake terminal bodies are cross-shaped structure, are offered at left and right sides of the cross-shaped structure upper end inwardly The groove of recess, it is possible thereby to interfere excessively and mechanical performance surrender under strong stress when terminal being avoided to be installed to pcb board.But It is the problem of the still flexible deficiency of the prior art, the reliability contacted with pcb board is also to be improved.

Utility model content

The purpose of this utility model is to provide a kind of flake terminal, allow to increase the reliability contacted with pcb board.

To achieve the above object, the utility model provides a kind of flake terminal, comprising: an interconnecting piece of sequential connection, one Shoulder, an elastic portion and a pin part；Wherein, there is a fish eyelet in the elastic portion, which is melon seeds hull shape, and The elastic portion two sides are respectively provided with a barb structure.

It wherein, is with the conductive hole of pin part one end insertion pcb board, with reality when the flake terminal is plugged in pcb board The electrical connection in existing circuit；After flake terminal insertion, which is pressed in the middle position of the pcb board.

Wherein, which is connected to harness terminal adapter, which forms T-shaped structure perpendicular to the interconnecting piece.

Wherein, the wide head of the fish eyelet is located at the interconnecting piece side of the flake terminal, and the narrow head of the fish eyelet is located at the fish The pin part side of eye terminal.

Wherein, the intersection point of the short axle of the fish eyelet and long axis, compared with the long axis midpoint closer to the interconnecting piece, to constitute State melon seeds hull shape；The melon seeds hull shape includes a upper half and a lower half, and the upper portion is in the pin part side, the lower half Portion is located at the interconnecting piece side, which is half elliptic, and the apex angle of the upper half is fillet, two waists are by the fillet both ends The mutually symmetrical with curve that point extends is connected smoothly between the upper half and the lower half.

Wherein, which is plane, and the left and right sides of the elastic portion is curved surface, which sets It is placed on the curved surface of the left and right sides of the elastic portion and two sides is raised to the left and right.

Wherein, which corresponds to the minor axis location of the fish eyelet.

Wherein, which corresponds to the widest part of the fish eyelet.

Wherein, which includes one first face, one second face and a chamfering, between first face and second face For angle less than 90 degree, second face is parallel with the shoulder, is smooth between the curved surface at left and right sides of first face and the elastic portion Transition connection.

Wherein, which includes one first face, one second face and a chamfering, between first face and second face Angle is connected smoothly between the curved surface at left and right sides of first face and the elastic portion less than 60 degree.

Wherein, which is fillet.

Wherein, the thickness of the shoulder and the elastic portion junction, greater than the thickness of the elastic portion.

Wherein, the width of the shoulder and the elastic portion junction is equal to the elastic portion the widest part and the fish eyelet the widest part Width difference.

Compared with prior art, the utility model has following technical advantage:

Although 1) existing flake terminal has fish eyelet, its elasticity is insufficient, and the utility model sets fish eyelet to " melon seed cases " shape, when flake terminal is inserted, the extruding that elastic portion receives pcb board conductive hole generates reverse elasticity power, So that elastic portion can come into full contact with wire guide, at this point, the fish eyelet of " melon seed cases " shape can obviously increase flake The elasticity of terminal.

2) conductive hole that existing flake terminal was inserted into and exited pcb board is easier, therefore electrical connection is caused less may be used It leans on, the utility model increases hangnail in flake terminal periphery, can increase grabbing plate force, and then increase reliability.

3) the hangnail setting position of the utility model corresponds to the short axle of fish eyelet, that is, the widest part of " melon seed cases " works as fish Eye terminal is inserted into pcb board conductive hole, and when hangnail is located in plate center, can make the elastic contractile force and grasping plate of flake terminal Power plays maximum efficiency.

The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model Restriction.

Detailed description of the invention

Fig. 1 is the flake terminal structure main view of one preferred embodiment of the utility model；

Fig. 2 is the flake terminal structure side view of one preferred embodiment of the utility model；

Fig. 3 is the partial enlargement diagram of a-quadrant in Fig. 1；

Fig. 4 is that the flake terminal of one preferred embodiment of the utility model is inserted into the position view after pcb board；

Fig. 5 is the flake terminal sizes schematic diagram of one preferred embodiment of the utility model；

Wherein, appended drawing reference:

1 interconnecting piece

2 shoulders

3 elastic portions

31 fish eyelets

32 barb structures

321 first faces

322 second faces

R chamfering

4 pin parts

5PCB plate

H0~H3 height

W1~W5 width

Specific embodiment

For the technical characterstic that can demonstrate the utility model, so that those skilled in the art can be apparent from this reality It is practical to this below by specific embodiment, and in conjunction with attached drawing with novel structure, feature, usage mode and technical effect Novel scheme is illustrated.But as described below is only to illustrate to be used, and is not intended as the limitation of the utility model.

Fig. 1 is please referred to Fig. 5.In order to increase the reliability contacted with pcb board, the utility model provides a kind of flake end Son a, comprising: interconnecting piece 1, a shoulder 2, an elastic portion 3 and a pin part 4 for sequential connection；Wherein, have in the elastic portion 3 There is a fish eyelet 31, which is melon seeds hull shape, and 3 two sides of elastic portion are respectively provided with a barb structure 32.

It is with the conductive hole of 4 one end of pin part insertion pcb board 5, to realize when the flake terminal is plugged in pcb board 5 The electrical connection in circuit；After flake terminal insertion, which presses the middle position in the pcb board 5, and (such as Fig. 4 is aobvious The half position of the 5 height H0 of pcb board shown).

The interconnecting piece 1 is connected to harness terminal adapter, which forms T-shaped structure perpendicular to the interconnecting piece 1.The shoulder 2 with the thickness of 3 junction of elastic portion, avoid being inserted into enhance the intensity at narrower width greater than the thickness of the elastic portion 3 Shi Zaocheng fracture.

The wide head of the fish eyelet 31 is located at 1 side of interconnecting piece of the flake terminal, and the narrow head of the fish eyelet 31 is located at the fish 4 side of pin part of eye terminal.The short axle of the fish eyelet 31 and the intersection point of long axis, compared with the long axis midpoint closer to the interconnecting piece 1, to constitute melon seeds hull shape.The melon seeds hull shape includes a upper half and a lower half, and the upper portion is in the pin part 4 one Side, the lower portion is in 1 side of interconnecting piece, that is, the upper half is the narrow head of the fish eyelet 31, which is the fish eyelet 31 wide head.The lower half is half elliptic, and the apex angle of the upper half is that fillet, two waists are extended by the fillet two-end-point Mutually symmetrical with curve is connected smoothly between the upper half and the lower half.

3 front and rear sides of elastic portion are plane, and the left and right sides of the elastic portion 3 is curved surface, which sets It is placed on the curved surface of the left and right sides of the elastic portion 3 and two sides is raised to the left and right.The barb structure 32 corresponds to the fish eyelet 31 minor axis location, i.e. the widest part of the fish eyelet 31.The barb structure 32 includes one first face 321, one second face 322 and one Chamfering R, (settable second face 322 and shoulder 2 are flat less than 90 degree for the angle between first face 321 and second face 322 Row), it is smoothly connected between first face 321 and the curved surface of 3 left and right sides of elastic portion.Chamfering R is fillet.In another reality Apply angle less than 60 degree (planes and shoulder 2 where second face 322 between the first face of this in example 321 and second face 322 The angle closed between the plane of 3 side of elastic portion is similarly acute angle).

As shown in Fig. 4 to Fig. 5, in one embodiment of flake terminal of the utility model, the size at each position can be taken Following setting (unit mm): 3 widest part width of elastic portion (the distance between 32 Chamfer Vertex of barb structure) W1 is 1.32, flake (being also 31 the widest part of fish eyelet) width W2 is 0.68 at 31 short axle of hole, and 4 width W3 of pin part is 0.38,3 hangnail knot of elastic portion Most narrow place's width (the distance between 32 second face 322 of barb structure and 3 tie point of the elastic portion) W4 of structure 32 is 1.13, and pcb board 5 is high Spending H0 is 1.6, and (being also the most strong point of fish eyelet 31) height H1 is 1.6 at 31 long axis of fish eyelet, elastic portion 3 the widest part (hangnail knot At 32 Chamfer Vertex of structure) to shoulder 2 height H3 be 1.0, most narrow place (32 second face of barb structure of 3 barb structure 32 of elastic portion 322 with 3 two tie points of elastic portion) to shoulder 2 height H2 be 0.98.Chamfering R radius is 0.06.For the above numerical point Show, not as the restriction to the utility model.In addition, the width W5 of the shoulder 2 and 3 junction of elastic portion, can be equal to the bullet The difference W1-W2 of the width of property 3 the widest part of portion and 31 the widest part of fish eyelet.

Compared with prior art, the utility model has following technical advantage:

Although 1) existing flake terminal has fish eyelet, its elasticity is insufficient, and fish eyelet 31 is arranged the utility model For " melon seed cases " shape, when flake terminal is inserted, the extruding that elastic portion 3 receives 5 conductive hole of pcb board generates reverse elasticity Power, so that elastic portion 3 can come into full contact with wire guide, at this point, the fish eyelet 31 of " melon seed cases " shape can obviously increase Add the elasticity of flake terminal.

2) conductive hole that existing flake terminal was inserted into and exited pcb board is easier, therefore electrical connection is caused less may be used It leans on, the utility model increases barb structure 32 in flake terminal periphery, can increase grabbing plate force, and then increase reliability.

3) the utility model barb structure 32 be arranged position correspond to fish eyelet 31 short axle, that is, " melon seed cases " most At width, when flake terminal is inserted into 5 conductive hole of pcb board, and barb structure 32 is located at the center in pcb board 5, flake can be made The elastic contractile force and grabbing plate force of terminal play maximum efficiency.

Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model The change and modification answered all should belong to the protection scope of the utility model claims.

Claims (12)

1. a kind of flake terminal characterized by comprising an interconnecting piece, a shoulder, an elastic portion and a pin for sequential connection Portion；Wherein, there is a fish eyelet in the elastic portion, which is melon seeds hull shape, and the elastic portion two sides are respectively provided with One barb structure.

2. flake terminal according to claim 1, which is characterized in that the interconnecting piece is connected to harness terminal adapter, the shoulder Portion forms T-shaped structure perpendicular to the interconnecting piece.

3. flake terminal according to claim 1 or 2, which is characterized in that the wide head of the fish eyelet is located at the flake terminal Interconnecting piece side, the narrow head of the fish eyelet is located at the pin part side of the flake terminal.

4. flake terminal according to claim 1, which is characterized in that the short axle of the fish eyelet and the intersection point of long axis relatively should The midpoint of long axis is closer to the interconnecting piece, to constitute the melon seeds hull shape；The melon seeds hull shape includes a upper half and a lower half Portion, the lower half are half elliptic, the apex angle of the upper half is fillet, two waists be extended by the fillet two-end-point it is mutual opposite The curve of title is connected smoothly between the upper half and the lower half.

5. flake terminal according to claim 1, which is characterized in that the elastic portion front and rear sides are plane, and the bullet Property portion the left and right sides be curved surface, which is set on the curved surface of the left and right sides of the elastic portion and two sides to the left and right Protrusion.

6. flake terminal according to claim 1, which is characterized in that the barb structure corresponds to the short axle position of the fish eyelet It sets.

7. flake terminal according to claim 1, which is characterized in that the barb structure corresponds to the most wide of the fish eyelet Place.

8. flake terminal according to claim 1, which is characterized in that the barb structure includes one first face, one second face And a chamfering, for the angle between first face and second face less than 90 degree, second face is parallel with the shoulder, first face with It is to be connected smoothly between curved surface at left and right sides of the elastic portion.

9. flake terminal according to claim 1, which is characterized in that the barb structure includes one first face, one second face And a chamfering, song of the angle between first face and second face less than 60 degree, at left and right sides of first face and the elastic portion It is to be connected smoothly between face.

10. flake terminal according to claim 8 or claim 9, which is characterized in that the chamfering is fillet.

11. flake terminal according to claim 1, which is characterized in that the thickness of the shoulder and the elastic portion junction, greatly In the thickness of the elastic portion.

12. flake terminal according to claim 1, which is characterized in that the width of the shoulder and the elastic portion junction, etc. In the difference of the elastic portion the widest part and the width of the fish eyelet the widest part.