TWI721559B - Floating connector - Google Patents

Abstract

The present invention provides a floating connector and a conductive terminal thereof. The conductive terminal is integrally formed as a single one-piece structure, and includes a touching segment, a fixing segment, and a buffering segment having two opposite ends respectively connected to the touching segment and the fixing segment. A longitudinal direction of the buffering segment and a longitudinal direction of the fixing segment have an angle there-between that is less than ninety degrees. The buffering segment includes a first portion connected to the touching segment, a second portion connected to the fixing segment, and two impedance matching portions. An end of each of the two impedance matching portions is connected to the first portion, and the other end of each of the two impedance matching portions is connected to the second portion. The two impedance matching portions of the buffering segment jointly define a buffering hole. The buffering segment is configured to receive a current to travel there-though so as to generate a capacitance effect.

Description

Floating connector

The invention relates to a connector, in particular to a floating connector and its conductive terminals.

The existing floating connector includes a housing and a plurality of conductive terminals installed inside the housing (for example, the elastic section of the conductive terminal is fixed to the housing on both sides), and the structure of the conductive terminal of the existing floating connector The design is all to provide buffering and anti-vibration functions. That is to say, under the premise that the above-mentioned conductive terminals must have buffering and anti-vibration functions, the structural design of the conductive terminals has been subject to many limitations, and it is difficult to make further structural improvements for signal transmission efficiency. .

Therefore, the inventor believes that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of scientific principles, we finally propose an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The embodiment of the present invention is to provide a floating connector and its conductive terminal, which can effectively improve the defects that may occur in the existing floating connector.

The embodiment of the present invention discloses a floating connector, comprising: an insulating shell, defined with a plugging and unplugging direction, a length direction, and a width direction perpendicular to each other; wherein, the insulating shell extends from one side thereof. A slot is recessed and formed in the plug-in direction; a plurality of conductive terminals are arranged in two rows parallel to the length direction, and the conductive terminals in any row face the other along the width direction. Column of the conductive terminals; wherein any one of the conductive terminals is an integrally formed one-piece structure and includes: a contact section inserted in the insulating housing, and a part of the contact section is located in the insert A fixed section, which is used to fix an external element; and a buffer section, the two ends of which are respectively connected to the contact section and the fixed section, and a long axis direction of the buffer section and the A first angle of less than 90 degrees is formed between a long axis direction of the fixed section; wherein the buffer section includes two impedance matching parts, and a buffer hole is formed around the two impedance matching parts; The section can be used for passing a current to produce a capacitance effect on the two impedance matching parts; wherein, the insulating shell can move relative to the fixed section of the plurality of conductive terminals, so that a plurality of The buffer section is compressed to provide a restoring force to the insulating shell.

The embodiment of the present invention also discloses a conductive terminal of a floating connector, which is an integrally formed one-piece structure and includes: a contact section and a fixed section; and a buffer section, both ends of which are respectively connected to the contact section and The fixed section, and a long axis direction of the buffer section and a long axis direction of the fixed section form a first included angle less than 90 degrees; wherein, the buffer section includes a first included angle that is connected to the contact A first section of the section, a second section connected to the fixed section, and two impedance matching sections, and one end of the two impedance matching sections is connected to the first section, and two The second section at the other end of the impedance matching part; wherein a buffer hole is formed around the two impedance matching parts of the buffer section, and the buffer section can be used to allow a current to pass through. The two impedance matching parts produce a capacitance effect.

In summary, the floating connector and its conductive terminal disclosed in the embodiment of the present invention are formed with a buffer section with a specific structure design (for example, surrounding the two impedance matching parts formed with a buffer hole and the value of the first included angle). Limited), so that the conductive terminals can have both buffering (or shockproof) functions and signal conditioning functions.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention, not to The protection scope of the present invention is subject to any limitation.

100: Floating connector

1: Insulating shell

11: Plug cavity

111: Slot

112: power slot

113: Piercing

12a, 12b: outer partition

13: inner partition

2: conductive terminal

2a: signal terminal

2b: Ground terminal

21: contact segment

211: front part

212: middle section

213: Back part

22: fixed segment

23: buffer segment

231: First paragraph

232: The second section

233: Impedance matching section

234: Buffer hole

3: Power terminal

4: Series connection

41: sheet body

42: elastic arm

S: Plug-in direction

L: length direction

W: width direction

D212, D22, D23, D234: long axis direction

α 1: The first included angle

α 2: The second included angle

Fig. 1 is a three-dimensional schematic diagram of a floating connector according to an embodiment of the present invention.

FIG. 2 is a three-dimensional schematic diagram of FIG. 1 from another perspective.

Fig. 3 is a three-dimensional exploded schematic view of Fig. 1.

Fig. 4 is a three-dimensional exploded schematic view of Fig. 2.

FIG. 5 is a schematic plan view of a pair of conductive terminals in FIG. 3.

Fig. 6 is a schematic cross-sectional view of Fig. 1 along the line VI-VI.

Fig. 7 is a schematic cross-sectional view of Fig. 1 along the section line VII-VII.

Fig. 8 is a schematic cross-sectional view of Fig. 1 along the section line VIII-VIII.

Please refer to Figures 1 to 8, which are embodiments of the present invention. It should be noted that the relevant quantities and appearances mentioned in the accompanying drawings in this embodiment are only used to specifically illustrate the implementation of the present invention. The method is to facilitate understanding of the content of the present invention, rather than to limit the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2, this embodiment discloses a floating connector 100, which can be used for mating with an object connector (not shown in the figure) along a plugging and unplugging direction S, and is used in a moving On an object (such as a car). Wherein, when the floating connector 100 and the counterpart connector move relatively, the floating connector 100 can stably maintain the electrical connection with the aforementioned counterpart connector.

As shown in FIGS. 3 and 4, the floating connector 100 in this embodiment includes an insulating housing 1, a plurality of conductive terminals 2 inserted in the insulating housing 1, and inserted in the insulating housing Body 1 and a plurality of power terminals 3 located on one side of the plurality of conductive terminals 2 and installed in the insulating housing 1 Two series connection pieces 4 on the outer surface. Wherein, to facilitate the description of this embodiment, the insulating housing 1 defines a length direction L and a width direction W that are perpendicular to the plugging direction S and perpendicular to each other; that is, the length direction L is parallel to A long axis direction of the above-mentioned insulating housing 1.

It should be noted that although the floating connector 100 is provided with a plurality of power terminals 3 and two series connection members 4 in this embodiment, the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the floating connector 100 can also be selectively equipped with the power terminal 3 and the series connection member 4 according to design requirements. Furthermore, the conductive terminal 2 is described in conjunction with the insulating housing 1 of this embodiment, but the conductive terminal 2 can also be applied separately, and is not limited to what is described in this embodiment. The structure of each element of the floating connector 100 of this embodiment and its connection relationship will be described below.

As shown in FIGS. 3 and 4, the insulating housing 1 includes a long insertion cavity 11, which is connected to both ends of the insertion cavity 11 (for example, the left end of the insertion cavity 11 in FIG. 3). And the two outer partitions 12a, 12b at the right end), and an inner partition 13 connected to the insertion cavity 11 and located between the two outer partitions 12a, 12b. Wherein, the insulating housing 1 is recessed from one side (such as the top side of the insertion cavity 11 in FIG. 3) along the insertion and removal direction S with a slot 111 and a power slot 112 spaced apart from each other. And the insulating housing 1 (the insertion cavity 11) is formed with a plurality of through holes 113 communicating with the slot 111.

Furthermore, the length of the slot 111 in the length direction L is greater than the length of the power slot 112 in the length direction L, and the plurality of perforations 113 are respectively located on opposite sides of the slot 111 and arranged in parallel The two rows in the length direction L. Furthermore, the positions of the two outer partitions 12a, 12b and the inner partition 13 correspond to the lower half of the insertion cavity 11 and are perpendicular to the length direction L. The slot 111 corresponds to the area between the inner partition 13 and one of the outer partitions 12a along the insertion and removal direction S, and the power slot 112 corresponds to the area along the insertion and removal direction S. The area between the inner partition 13 and the other outer partition 12b.

As shown in FIGS. 5 to 7, the plurality of conductive terminals 2 are installed in the insulating housing 1 (for example, corresponding to the insertion cavity 11 of the slot 111), and the plurality of power terminals 3 are also installed in the insulating housing 1 The insulating housing 1 (for example, a portion corresponding to the insertion cavity 11 of the power slot 112 ), and the inner partition 13 separates the plurality of conductive terminals 2 and the plurality of power terminals 3.

Wherein, the plurality of conductive terminals 2 are arranged in two rows parallel to the length direction L, and the conductive terminals 2 in any row respectively face the conductive terminals 2 in the other row along the width direction W; and the conductive terminals in two rows 2 In this embodiment, it is arranged in mirror symmetry with respect to the slot 111, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the two rows of conductive terminals 2 may also be arranged non-mirror-symmetrically.

It should be noted that since the structure of each conductive terminal 2 in this embodiment is substantially the same, for ease of description, a single conductive terminal 2 and its corresponding portion of the insulating housing 1 will be described below. However, in other embodiments not shown in the present invention, the structure of the plurality of conductive terminals 2 may also be different.

The conductive terminal 2 is an integrally formed one-piece structure, and includes a contact section 21, a fixed section 22, and a buffer section 23 whose two ends are respectively connected to the contact section 21 and the fixed section 22. Wherein, the contact section 21 is substantially elongated and is inserted in the insulating housing 1 (the insertion cavity 11); and the fixed section 22 and the buffer section 23 are exposed in the insulating housing 1 It is located outside the inner partition 13 and one of the outer partitions 12a.

The front section 211 of the contact section 21 can be elastically shaped and located in the slot 111 (that is, the front section 211 of the contact section 21 is preferably not in contact with the insulating housing 1); The middle section 212 of 21 is clamped to the insertion cavity 11 to support the swing of the front section 211; and the rear section 213 of the contact section 21 is bent from itself to the bottom edge of the insertion cavity 11 , And it is approximately parallel to the width direction W.

The fixed section 22 is substantially elongated, and a long axis direction of the fixed section 22 D22 is substantially parallel to the insertion and removal direction S, and also substantially parallel to the long axis direction D212 of the front section 211 and the middle section 212 of the contact section 21. Wherein, the fixed section 22 (the tail end) is used to fix an external component (such as a circuit board), and the tail end of the fixed section 22 is suitable for surface mount technology in this embodiment. mounting technology (SMT) welding structure, but the present invention is not limited to this.

The buffer section 23 is formed by obliquely extending from the rear part 213 of the contact section 21 in a direction away from the insertion cavity 11, and the angle of the oblique extension is greater than 90 degrees. A long axis direction D23 of the buffer section 23 and a long axis direction D22 of the fixed section 22 form a first included angle α 1 that is less than 90 degrees, and the first included angle α 1 is preferably between It is between 15 degrees and 75 degrees, but the present invention is not limited to this.

Furthermore, the buffer section 23 in this embodiment includes a first section 231 connected to the contact section 21 (the rear section 213), a second section 232 connected to the fixed section 22, And two impedance matching parts 233. Wherein, two impedance matching parts 233 surround a buffer hole 234, one end of the two impedance matching parts 233 is connected to the first section 231, and the other end of the two impedance matching parts 233 Connected to the second section 232. In addition, in other embodiments not shown in the present invention, the buffer section 23 may also include only two impedance matching parts 233, and one end of the two impedance matching parts 233 is connected to the contact section 21, The other ends of the two impedance matching parts 233 are connected to the fixed section 22.

In this embodiment, the two impedance matching portions 233 of the buffer section 23 are arranged mirror-symmetrically with respect to the buffer hole 234, and the buffer hole 234 may be elongated, and the buffer hole 234 The long axis direction D234 of the fixed section 22 and the long axis direction D22 of the fixed section 22 form a second included angle α 2 less than 90 degrees, and the difference between the second included angle α 2 and the first included angle α 1 The value is within 10 degrees. Preferably, the long axis direction D234 of the buffer hole 234 overlaps the long axis direction D23 of the buffer section 23; that is, the second included angle α 2 is equal to the first included angle α 1, but the original Invention is not Limited to the above.

In more detail, the buffer section 23 can be used to pass a current to produce a capacitance effect on the two impedance matching parts 233; that is to say, according to the formula: the square of the characteristic impedance multiplied by the capacitance is equal to the inductance Value (R2C=L), the above-mentioned inductance value will change as the length of the conductive terminal 2 changes, so the conductive terminal 2 can respond to the change in the length of the conductive terminal 2 through the capacitive effect generated by the two impedance matching parts 233, Then adjust (or reduce) the characteristic impedance.

Furthermore, the bottom edge of each conductive terminal 2 (such as the bottom edge of the fixed section 22) and the bottom edge of each power terminal 3 protrude from the bottom edge of the insulating housing 1, so that When the bottom edges of the plurality of conductive terminals 2 and the bottom edges of the plurality of power terminals 3 are fixed to an external object (such as a circuit board), the insulating housing 1 can be opposed to the plurality of conductive terminals 2 The fixed section 22 moves, so that a plurality of the buffer sections 23 are compressed to provide a restoring force to the insulating housing 1.

Accordingly, the conductive terminal 2 of this embodiment is formed with a buffer section 23 with a specific structure design (for example, surrounding the two impedance matching portions 233 formed with the buffer hole 234 and the above-mentioned first included angle α 1 is less than 90 degrees), so that The conductive terminal 2 can have a buffer (or shockproof) function and a signal conditioning function at the same time, so that the floating connector 100 can be applied to high-frequency (or high-speed) signal transmission through the conductive terminal 2.

The above is the description of the structure of the single conductive terminal 2 of this embodiment, and the plurality of conductive terminals 2 in this embodiment may also be defined with a plurality of signal terminals 2a and a plurality of ground terminals 2b (such as: FIG. 8); In other words, the structure of any one of the signal terminals 2a or any one of the ground terminals 2b is also the same as the structure of the single conductive terminal 2 described above. Wherein, the position of the contact section 21 (the middle section part 212) of the plurality of ground terminals 2b corresponds to the plurality of through holes 113, respectively.

As shown in Figures 3, 4, and 7, the two series connection pieces 4 are respectively installed on opposite sides of the insulating housing 1, and each series connection piece 4 includes a piece 41 and a self-contained body. The long edges of the sheet body 41 extend and a plurality of elastic arms 42 are arranged at intervals. Wherein, each of the series connection piece 4 passes through its sheet 41 It is snap-fitted and fixed to the outer surface of the insertion cavity 11 of the above-mentioned insulating housing 1, and the plurality of elastic arms 42 of the two series connection members 4 are respectively penetrated through the plurality of through holes 113 and respectively The contact section 21 (the middle section portion 212) of the plurality of ground terminals 2b is pressed against.

[Technical Effects of Embodiments of the Invention]

In summary, the floating connector and its conductive terminal disclosed in the embodiment of the present invention are formed with a buffer section with a specific structure design (for example, surrounding two impedance matching parts formed with a buffer hole, the value of the first included angle Limit and the relative relationship between the first included angle and the second included angle), so that the conductive terminal can have buffer (or shockproof) function and signal adjustment function at the same time, so that the floating connector can be applied to the conductive terminal through the above-mentioned conductive terminal High frequency (or high speed) signal transmission.

Furthermore, the floating connector disclosed in the embodiment of the present invention can also be equipped with the above-mentioned multiple power terminals according to design requirements, so as to meet different design requirements. The floating connector can also be equipped with two series connections electrically coupled to a plurality of the ground terminals, so as to effectively improve the common ground effect of the floating connector.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and schematic content of the present invention are included in the patent scope of the present invention. Inside.

2: conductive terminal

21: contact section

211: front part

212: middle section

213: Back part

22: fixed segment

23: buffer segment

231: First paragraph

232: The second section

233: Impedance matching section

234: Buffer hole

S: Plug-in direction

W: width direction

D212, D22, D23, D234: long axis direction

α1: The first included angle

α2: The second included angle

Claims (6)

A floating connector, comprising: an insulating housing defined with a plugging direction, a length direction, and a width direction perpendicular to each other; wherein the insulating housing is concave along the plugging direction from one side thereof. A slot is formed; a plurality of conductive terminals are arranged in two rows parallel to the length direction, and the conductive terminals in any row respectively face the conductive terminals in the other row along the width direction; wherein, any one of the conductive terminals It is an integrally formed one-piece structure and includes: a contact section which is inserted into the insulating housing, and a part of the contact section is located in the slot; and a fixing section for fixing to an exterior Element; and a buffer section, both ends of which are respectively connected to the contact section and the fixed section, and a long axis direction of the buffer section and a long axis direction of the fixed section are sandwiched by less than 90 degrees A first included angle; wherein the buffer section includes two impedance matching parts, and the two impedance matching parts are surrounded by a buffer hole; the buffer section can be used for a current to pass through, in order to The impedance matching portion generates a capacitance effect; wherein the insulating housing can move relative to the fixed sections of the plurality of conductive terminals, so that the plurality of buffer sections are compressed to provide a restoring force to the insulation The housing; wherein the insulating housing is formed with a plurality of through holes communicating with the slot, the plurality of conductive terminals are respectively defined with a plurality of signal terminals and a plurality of ground terminals, and the plurality of ground terminals The positions of the contact sections respectively correspond to the plurality of through holes; the floating connector includes two series connection pieces respectively installed on opposite sides of the insulating housing, and each series connection piece contains A plurality of elastic arms are arranged at intervals, and the plurality of elastic arms of the two series connection members are respectively penetrated through the plurality of through holes and respectively abut against the contacts of the plurality of ground terminals segment. The floating connector according to claim 1, wherein, in any one of the conductive terminals, the buffer hole is elongated, and a long axis direction of the buffer hole corresponds to the length of the fixed section A second included angle less than 90 degrees is formed between the axial directions, and the difference between the second included angle and the first included angle is within 10 degrees. The floating connector according to claim 1, wherein, in any one of the conductive terminals, the buffer hole is elongated, and a long axis direction of the buffer hole overlaps the buffer section The long axis direction. The floating connector according to claim 1, wherein, in any one of the conductive terminals, the buffer section includes a first section connected to the contact section and a first section connected to the fixed section Two-stage section, and one end of the two impedance matching sections is connected to the first section section, and the other end of the two impedance matching sections is connected to the second section section; two of the buffer sections The impedance matching part is arranged in mirror symmetry with respect to the buffer hole. The floating connector according to claim 1, wherein, in any one of the conductive terminals, the fixed section and the buffer section are exposed outside the insulating housing. The floating connector according to claim 1, wherein the two rows of conductive terminals are arranged in mirror symmetry with respect to the socket.

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