CN201303096Y - Electric connector terminator - Google Patents

Abstract

The utility model relates to an electric connector terminator. The terminator comprises a first conduction terminator, a second conduction terminator and an elastic piece, wherein the elastic piece is arranged around the two conduction terminators; the first conduction terminator and the second conduction terminator are provided with a guide connection part and a limit part that is arranged in a convex stretch way by the guide connection part; the first conduction terminator is provided with a guide part, and the second conduction terminator is provided with a main part; the guide part comprises two guide arms and a blocking part that is arranged between the two guide arms, and a guide groove that is used for the main part of the second conduction terminator to move up and down is formed between the two guide arms; the main part of the second conduction terminator is provided a projecting part that can push against the blocking part of the first conduction terminator, and a salient point is formed at the tail end of the projecting part. As the salient point is formed at the tail end of the second conduction terminator of the electric connector terminator, the contact force between the second conduction terminator and the first conduction terminator is stronger, and the impedance between the terminators is reduced.

Description

Electric connector terminal

[technical field]

The utility model relates to a kind of electric connector terminal, refers to a kind of electric connector terminal that chip module is electrically connected to printed circuit board (PCB) especially.

[background technology]

Relevant with the utility model in order to electrically connecting the electric connector terminal of chip module to printed circuit board (PCB), such as United States Patent (USP) announce No. 7025602 announcement.This electric connector terminal comprises conducting terminal, following conducting terminal, elastic component and body.Body is coated on the periphery of upper and lower conducting terminal, guides the motion of two conducting terminals, and elastic component places between the upper and lower conducting terminal, the elastic force that provides two conducting terminals vertically to move in body.

Upper and lower conducting terminal is rod shaped structure, and body is a tubular structure, forms surface gold-plating by the copper alloy manufacturing.Two conducting terminals and elastic component are contained in the body, and body tubular structure two-port is narrower, break away from body when preventing the motion of two conducting terminals.

But there is following shortcoming at least in the aforementioned electric bonder terminal: because conducting terminal is reused, meeting is is constantly worn and torn between two conducting terminals and the body, thereby influences the conductive capability of this electric connector terminal; Secondly, two conducting terminals and body process by CNC (Computer Numerical Control), so that its manufacturing cost is higher; Once more, this electric connector terminal assembling inconvenience.

Therefore, be necessary to provide a kind of improved electric connector terminal, to overcome the defective that the aforementioned electric bonder terminal exists.

[utility model content]

The technical problem that the utility model solved provides a kind of simple in structure, contact stabilization and the less electric connector terminal of terminal impedance.

For solving aforementioned technical problem, the utility model relates to a kind of electric connector terminal, and it comprises first conducting terminal, second conducting terminal and is located at first conducting terminal and the elastic component of the second conducting terminal periphery.First conducting terminal and second conducting terminal are provided with junction and protrude out setting in order to the fixing limiting section of elastic component by junction.First conducting terminal is provided with guidance part, and second conducting terminal is provided with main part.Described guidance part comprises two guid arms and connects the stop part of two guid arms, is formed with the guide channel that can supply main part to move up and down between two guid arms.Described guide channel comprises first guide channel and second guide channel that connects mutually up and down, first guide channel is positioned at the stop part top, second guide channel is positioned at stop part one side, and described main part is provided with the protuberance that can contact at stop part, and the end of protuberance forms salient point.

Compared with prior art, the utility model electric connector terminal is simple in structure, and the end of the protuberance of its second conducting terminal is that salient point can strengthen the contact force between second conducting terminal and first conducting terminal and reduce impedance between terminal.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector terminal;

Fig. 2 is the three-dimensional exploded view of electric connector terminal shown in Figure 1;

Fig. 3 is the be connected together three-dimensional combination figure of initial condition of first conducting terminal in the utility model electric connector terminal and second conducting terminal;

Fig. 4 is be connected together three-dimensional combination figure after being compressed of first conducting terminal in the utility model electric connector terminal and second conducting terminal.

[embodiment]

See also Fig. 1 to shown in Figure 4, the utility model is the electric connector terminal 100 of a kind of electric connection chip module (not shown) and printed circuit board (PCB) (not shown), and this electric connector terminal 100 comprises first conducting terminal 1, second conducting terminal 2 and is located in first conducting terminal 1 and the elastic component 3 of second conducting terminal, 2 peripheries.

First conducting terminal 1 is provided with strip junction 10, can connect with chip module (not shown).Junction 10 bottoms protrude out to both sides and are provided with a pair of first limiting section 11 perpendicular to junction 10, in order to limit elastic component 3.First conducting terminal 1 also comprises the guidance part 12 that is provided with perpendicular to first limiting section 11 extension downwards, in order to guide moving up and down of second conducting terminal 2.Guidance part 12 comprises two guid arms that be arranged in parallel 121 and the stop part 122 that connects two guid arms, 121 bottoms.Two guid arms 121 are provided with at interval, are formed with long and narrow guide channel 123 between two guid arms 121, and it comprises first guide channel 1230 that is positioned at stop part 122 tops and second guide channel 1231 of being located at stop part 122 1 sides.The formation of this second guide channel 1231 is because stop part 122 does not fill up whole gaps between two guid arms 121, and has only occupied the rear side of respective clearance, so formed second guide channel 1231 in the front side of stop part 122.First guide channel 1230 and second guide channel 1231 connect up and down mutually, and second conducting terminal 2 can be contained in wherein and freely and slide up and down.

Second conducting terminal 2 comprises with the contacted junction 21 of printed circuit board (PCB) (not shown), is positioned at junction 21 tops and protrudes out second limiting section 22 of setting and the main part 23 that extends upward setting perpendicular to second limiting section 22 to both sides.Second limiting section 22 is in order to limit elastic component 3.The upper end of aforementioned body portion 23 protrudes out outwardly and is provided with protuberance 24, and the end of protuberance 24 is a circular arc salient point 241.The wall thickness of described protuberance 24 is greater than the wall thickness of main part 23, and the width of salient point 241 is greater than the thickness of protuberance 24.

First guide channel, 1230 degree of depth of first conducting terminal 1 are identical with the width of the salient point 241 of the protuberance 24 of second conducting terminal 2, and the salient point 241 of the protuberance 24 of second conducting terminal 2 can be contained in first guide channel 1230 of first conducting terminal 1 fully thus; Second guide channel, 1231 degree of depth of first conducting terminal 1 are identical with main part 23 wall thickness of second conducting terminal 2, and the main part 23 of second conducting terminal 2 can be contained in second guide channel 1231 just thus.During initial position, the protuberance 24 of second conducting terminal 2 is contained in first guide channel 1230 and contacts at stop part 122, and main part 23 is contained in second guide channel 1231, second conducting terminal 2 and first conducting terminal 1 can be fitted together like this.At this moment, first conducting terminal 1 and second conducting terminal, 2 front and back overlap in together fully, are a line structure up and down.When second conducting terminal 2 slides up and down in the guide channel 123 of first conducting terminal 1, the main part 23 of 121 pairs second conducting terminals 2 of two guid arms of first conducting terminal 1 and 24 certain position-limiting actions of protuberance, make the motion along a straight line up and down of second conducting terminal 2, can realize stable being electrically conducted thus.

Elastic component 3 is a spring, and elastic component 3 places the periphery of the main part 23 of the guidance part 12 of first conducting terminal 1 and second conducting terminal 2.The two ends up and down of this elastic component 3 can be resisted against first limiting section 11 of first conducting terminal 1 and second limiting section 22 of second conducting terminal 2, thus fixing elastic component 3.Elastic component 3 is compressed back generation dilatation and is moved up and down.

During assembling, earlier elastic component 3 is sheathed on first conducting terminal, 1 guidance part 12, then second conducting terminal 2 is stretched into elastic component 3 and the protuberance 24 of the main part 23 of second conducting terminal 2 is located in second guide channel 1231 of first conducting terminal 1.The main part 23 of second conducting terminal 2 can contact at the stop part 122 of first conducting terminal 1 along the guide channel 123 of first conducting terminal 1 until the protuberance 24 of second conducting terminal 2 to lower slider, at this moment, first conducting terminal 1 and second conducting terminal 2 overlap in together, can realize that first conducting terminal 1 is connected with second the stable of conducting terminal 2.The main part 23 of second conducting terminal 2 and protuberance 24 can be contained in the guiding groove 123 of first conducting terminal 3 and freely slide up and down, and main part 23 and 24 certain position-limiting actions of protuberance of 121 pairs second conducting terminals 2 of two guid arms of first conducting terminal 1 can not come off it easily in addition.After assembling, elastic component 4 is restricted between first limiting section 11 and second limiting section 22 of first conducting terminal 1 and second conducting terminal 2, the elastic force that provides first conducting terminal 1 and second conducting terminal 2 to move mutually up and down.When first conducting terminal 1 with after second conducting terminal 2 is connected, when chip module (not shown) is connected to the junction 10 of first conducting terminal 1, the junction 21 of second conducting terminal 2 is connected on the printed circuit board (PCB) (not shown), promptly realized the function that electrically conducts of electric connector terminal 100.

The electric connector terminal 100 that the utility model provides, have following characteristics: at first, second conducting terminal, 2 main parts 23 and protuberance 24 can be contained in the guide channel 123 of first conducting terminal 1, first conducting terminal 1 forward laps with second conducting terminal 2 and is in the same place, design by this space crossover, can reduce by first conducting terminal 1 and second conducting terminal 2 takes up room, can reduce electric connector terminal 100 integral body and take up room; Secondly, the limit function that the design of the crossover of electric connector terminal 100 can provide first conducting terminal 1 and second conducting terminal 2 to slide up and down reduces electric connector terminal 100 and slides up and down the contact problem of unstable; In addition, first conducting terminal 1 of this electric connector terminal 100 and second conducting terminal 2 flexibly connect and cooperate, and can effectively reduce the height of electric connector terminal 100, and then reduce the height of electric connector, meet the following compact trend of electric connector.Moreover the end of the protuberance 24 of this electric connector terminal is a circular arc salient point 241, can strengthen the contact force between second conducting terminal 2 and first conducting terminal 1 and reduce impedance between terminal.

In the aforementioned preferred embodiments, first conducting terminal 1 is positioned at the top, and second conducting terminal 2 is positioned at the below; First conducting terminal 1 is positioned at the below in fact, and second conducting terminal 2 is positioned at the top.

Claims (10)

1. An electrical connector terminal, comprising: a first conductive terminal, a second conductive terminal and an elastic member disposed on the periphery of the first conductive terminal and the second conductive terminal, the first conductive terminal and the second conductive terminal are provided with conductive The connection part and the limit part protruding from the guide part are used to fix the elastic part; the feature is that: the first conductive terminal is provided with a guide part, and the second conductive terminal is provided with a main body part; the guide part includes two The guide arm and the blocking part connecting the two guide arms, a guide groove for the main body to move up and down is formed between the two guide arms, and the guide groove includes a first guide groove and a second The guide groove, the first guide groove is located above the blocking part, the second guide groove is located on the side of the blocking part, the main body part is provided with a protruding part that can interfere with the blocking part, and the end of the protruding part forms a convex point. 2. The electrical connector terminal according to claim 1, characterized in that: the depth of the first guide groove is the same as the width of the bump of the protruding part of the second conductive terminal; the depth of the second guide groove The wall thickness of the main body of the second conductive terminal is the same. 3 . The electrical connector terminal according to claim 1 , wherein the guiding portion is extended perpendicular to the limiting portion of the first conductive terminal. 4 . 4. The electrical connector terminal according to claim 1, wherein the guiding arms of the guiding part are arranged in parallel. 5 . The electrical connector terminal according to claim 1 , wherein the main body portion is extended perpendicular to the limiting portion of the second conductive terminal. 6 . 6. The electrical connector terminal as claimed in claim 1, wherein the protruding portion is disposed on an upper end of the main body portion. 7. The electrical connector terminal according to claim 1, wherein the elastic member is a spring. 8 . The electrical connector terminal according to claim 1 , wherein the upper and lower ends of the elastic member abut against the limiting portions of the first conductive terminal and the second conductive terminal, respectively. 9 . The electrical connector terminal according to claim 1 , wherein the limiting portion is perpendicular to the guiding portion and protrudes to both sides. 10. The electrical connector terminal according to claim 1, wherein the bumps are arc-shaped bumps.

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