CN211556221U - Fisheye terminal and electric connector - Google Patents

Abstract

The utility model provides a fisheye terminal and have electric connector of this fisheye terminal, fisheye terminal include first elasticity portion and follow first elasticity portion downwardly extending's the portion of participating in, first elasticity portion include first roof, with first diapire that first roof is relative, connect first roof with the double-phase to first lateral wall of first diapire and be located first roof first diapire and two first fisheye between the first lateral wall, first elasticity portion is still including being located first interior rib in the first fisheye hole, first interior rib is connected two first lateral wall sees through setting up first interior rib, and power is lighter when first elasticity portion inserts the electrically conductive jack of circuit board, elasticity preferred provides stronger holding power after inserting the circuit board.

Description

Fisheye terminal and electric connector

Technical Field

The utility model relates to an electricity connection technical field especially relates to a fisheye terminal and have electric connector of fisheye terminal.

Background

There are a variety of connections between a communication connector or electrical connector and a circuit board (also referred to as a PCB), such as crimp terminals, solder terminals. The fisheye terminal is most widely used in the crimping terminal, and the fisheye terminal does not need to be welded and has quick replaceability, so that welding materials are saved, a circuit board can be assembled without using the welding materials, and a signal transmission task is transmitted by the fisheye terminal and the circuit board in a good connection mode, so that the fisheye terminal can be quickly matched and assembled with a conductive jack of the circuit board, and the crimping terminal has high practicability and economical efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fish eye terminal and electric connector that insertion strength is lighter, elasticity preferred, the holding power is stronger after inserting.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fisheye terminal comprises a first elastic part and a pin part extending downwards from the first elastic part, wherein the first elastic part comprises a first top wall, a first bottom wall opposite to the first top wall, two opposite first side walls connecting the first top wall and the first bottom wall, and a first fisheye hole located between the first top wall, the first bottom wall and the two first side walls, the first elastic part further comprises a first inner rib located in the first fisheye hole, and the first inner rib is connected with the two first side walls.

As the utility model discloses further modified technical scheme, rib includes two horizontal relative tail ends and connects two in the first the connecting strip of tail end, the tail end is greater than at the ascending width of up-down side the width of connecting strip.

As a further improved technical scheme of the utility model, the connecting strip sets up to upwards or convex arc downwards.

As a further improved technical solution of the present invention, the first elastic portion includes two spaced from top to bottom the first inner rib, two the structural longitudinal symmetry of the first inner rib.

As the utility model discloses further modified technical scheme, two rib and two in first the first hole has between the first lateral wall, first flake hole with the central line collineation of first hole.

As a further improved technical scheme of the utility model, still including being located the second elastic part and the connection of first elastic part top first elastic part with the connecting portion of second elastic part, the transverse width of second elastic part is greater than the transverse width of first elastic part, second elastic part is including being located rib, second roof, second diapire, double-phase to the second lateral wall and being located in the second fisheye hole the second roof the second diapire and two second fisheye hole between the second lateral wall, rib transverse connection two in the second lateral wall.

As a further improved technical solution of the present invention, the second elastic portion includes two spaced from top to bottom the second inner rib, two the structural longitudinal symmetry of the second inner rib.

As a further improved technical scheme of the utility model, still include basal portion and grafting portion, the basal portion is connected grafting portion with second elasticity portion, the basal portion is equipped with middle material bridge.

The utility model discloses still adopt following technical scheme: an electric connector comprises an insulating base body and the fisheye terminal, wherein the fisheye terminal is arranged on the insulating base body.

As a further improved technical scheme of the utility model, insulating pedestal bottom surface is equipped with two reference columns, two the external diameter of reference column is different.

Compared with the prior art, the fisheye terminal of the utility model has the advantages that the first inner ribs and the second inner ribs are arranged in the first fisheye holes and the second fisheye holes, so that the power is lighter and better when the conductive jacks of the circuit board are inserted, the stronger holding power is provided after the circuit board is inserted, the signal is not interrupted instantly when the product is subjected to vibration test due to poor holding power, the good connection of the electric signal is realized, and the subsequent part disassembly and maintenance are facilitated; under the condition that the electric connector is provided with the fisheye terminal, the electric connector also has the beneficial effects of lighter insertion force, better elasticity, stronger holding force after being inserted into a circuit board and the like.

Drawings

Fig. 1 is a front view of the electrical connector and the circuit board of the present invention.

Fig. 2 is an exploded perspective view of the electrical connector and the circuit board of the present invention.

Fig. 3 is a perspective view of the insulating base of the electric connector of the present invention.

Fig. 4 is a perspective view of the fish-eye terminal of the present invention.

Fig. 5 is a front view of the fish-eye terminal of the present invention.

Fig. 6 is an enlarged view within the oval in fig. 5.

Detailed Description

Referring to fig. 1 to 6, the present invention discloses an electrical connector for being assembled on an upper circuit board 201 and a lower circuit board 202 to realize the interconnection and intercommunication of electrical signals between the upper circuit board 201 and the lower circuit board 202, wherein the upper circuit board 201 and the lower circuit board 202 are provided with a row of conductive jacks 2011 and 2021 aligned up and down, the upper circuit board 201 further has two positioning holes 2012 located at two sides of the conductive jack 2011, and the diameters of the two positioning holes 2012 are different. The electrical connector includes an insulating housing 10 and a row of fisheye terminals 20 fixed on the insulating housing 10.

Two positioning columns 12 are convexly arranged on the bottom surface of the insulating base 10, the outer diameters of the two positioning columns 12 are different, and the two positioning columns 12 are used for being inserted into and positioned in corresponding positioning holes 2012 in the upper circuit board 201.

Each fisheye terminal 20 includes from bottom to top in order: the pin part 21, the first elastic part 22, the connecting part 23, the second elastic part 24, the base part 25 and the plug part 26. The bottom ends of the pin portions 21 are provided with a sharp-pointed structure for guiding the pin portions 21 to be inserted into and pass through the conductive insertion holes 2011, 2021 of the upper circuit board 201 and the lower circuit board 202. The peripheries of the pin part 21, the first elastic part 22, the connecting part 23 and the second elastic part 24 are provided with chamfers, so that the problem that the conductive jacks 2011 and 2021 are deformed and expanded and cracked due to overlarge insertion force of the fisheye terminal 20 and the fisheye terminal 20 cannot realize good connection effect can be solved, and good transmission of electric signals between the upper circuit board 201 and the lower circuit board 202 is realized. The transverse width of the first elastic part 22 is smaller than that of the second elastic part 24, so that the first elastic part 22 can smoothly pass through the conductive jack 2011 of the upper circuit board 201 before being inserted into the lower circuit board 202, the upper circuit board 201 is prevented from being cracked and deformed, the second elastic part 24 and the conductive jack 2011 of the upper circuit board 201 are prevented from having no holding force, the second elastic part 24 is ensured to be in good contact with the upper circuit board 201, and further, the reliable transmission of electric signals and the normal operation of electronic functions are ensured.

The first elastic portion 22 includes a first eyelet 220, a first top wall 221, a first bottom wall 222, two opposite first side walls 223, two first inner ribs 224 and a first inner hole 225. The first top wall 221 is opposite to the first bottom wall 222 in the up-down direction, and the two first side walls 223 are respectively configured in an outwardly convex arc shape and are opposite in the transverse direction. The two first inner ribs 224 are positioned in the first fisheye hole 220 at intervals up and down, and the upper and lower structures are symmetrical; the first inner ribs 224 transversely connect the two first side walls 223 and are smaller than the first side walls 223 in thickness; each first inner rib 224 comprises two transversely opposite tail ends 2241 and a connecting strip 2242 connecting the two tail ends 2241, in the up-down direction, the width of the tail end 2241 is greater than that of the connecting strip 2242, the connecting strip 2242 of the first inner rib 224 positioned on the upper side is in a downward convex arc shape, and the connecting strip 2242 of the first inner rib 224 positioned on the lower side is in an upward convex arc shape. The first inner hole 225 is formed between the two first inner ribs 224 and the two first side walls 223, and the first fisheye hole 220 and the center line of the first inner hole 225 tend to be collinear.

The transverse width of the connecting portion 23 is smaller than the transverse widths of the first elastic portion 22 and the second elastic portion 24, and the insertion of the first elastic portion 22 and the second elastic portion 24 into the corresponding conductive insertion holes 2011 and 2012 is not affected.

The second elastic portion 24 includes a second eyelet 240, a second top wall 241, a second bottom wall 242, two second side walls 243, two second inner ribs 244 and a second inner hole 245. The second elastic portion 24 has a different size from the first elastic portion 22, but has substantially the same structure, and thus, the description thereof is omitted.

The base 25 is used for being inserted and fixed or embedded in the insulating base body 10, and the base 25 is provided with an intermediate material bridge 250 for connecting the adjacent fisheye terminals 20 together in the forming process, so that a plurality of fisheye terminals 20 can be conveniently formed on the same metal sheet in a batch-type stamping manner, and the production material is saved.

The plug portion 26 extends upward from the housing 10 for plugging with other electrical connectors.

The fisheye terminal 20 is inserted into the conductive jack 2021 of the lower circuit board 202 through the first elastic part 22, and the second elastic part 24 is inserted into the conductive jack 2011 of the upper circuit board 201, so that the upper circuit board 201 and the lower circuit board 202 realize interconnection and intercommunication of electric signals by using the same fisheye terminal 20, and the structural space of a product is reduced. First elastic component 22 includes first interior rib 224 that is located first fisheye 220, and second elastic component 24 includes second interior rib 244 that is located second fisheye 240, makes first elastic component 22 and second elastic component 24 power when inserting electrically conductive jack 2011, 2012 more slim and graceful, elasticity preferred, provide stronger holding power after inserting circuit board 201 and lower circuit board 202, can not cause the signal to break when the vibration test is done to the product because of the holding power is not good, thereby realize the good connection of signal of telecommunication, and be convenient for subsequent part dismantlement maintenance.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims (10)

1. A fish-eye terminal, comprising a first elastic portion and a pin portion extending downward from the first elastic portion, wherein the first elastic portion comprises a first top wall, a first bottom wall opposite to the first top wall, two opposite first side walls connecting the first top wall and the first bottom wall, and a first fish-eye hole located between the first top wall, the first bottom wall and the two first side walls, and is characterized in that: the first elastic part further comprises a first inner rib positioned in the first fisheye hole, and the first inner rib is connected with the two first side walls.

2. The fisheye terminal of claim 1, wherein: the first inner rib comprises two transversely opposite tail ends and a connecting strip for connecting the two tail ends, and the width of the tail ends in the vertical direction is larger than that of the connecting strip.

3. The fisheye terminal of claim 2, wherein: the connecting strips are arranged into an arc shape protruding upwards or downwards.

4. The fisheye terminal of claim 1, wherein: the first elastic part comprises two first inner ribs which are spaced up and down, and the two first inner ribs are symmetrical up and down in structure.

5. The fisheye terminal of claim 4, wherein: a first inner hole is formed between the two first inner ribs and the two first side walls, and the center lines of the first fisheye hole and the first inner hole are collinear.

6. The fisheye terminal of claim 1, wherein: still including being located the second elastic part of first elastic part top and connection first elastic part with the connecting portion of second elastic part, the transverse width of second elastic part is greater than the transverse width of first elastic part, second elastic part includes second roof, second diapire, two relative second lateral walls, is located the second roof and second diapire and two second eyelet hole between the second lateral wall with the rib in the second eyelet hole, rib transverse connection two in the second lateral wall.

7. The fisheye terminal of claim 6, wherein: the second elastic part comprises two second inner ribs which are spaced up and down, and the two second inner ribs are symmetrical up and down in structure.

8. The fisheye terminal of claim 6, wherein: the base part is connected with the plug part and the second elastic part, and the base part is provided with an intermediate material bridge.

9. An electrical connector comprising an insulative housing and the fisheye terminal of any of claims 1-8 disposed on the insulative housing.

10. The electrical connector of claim 9, wherein: the bottom surface of the insulating base body is provided with two positioning columns, and the outer diameters of the two positioning columns are different.

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