TWI830976B - Terminal module and matching assembly having the same - Google Patents

Abstract

Terminal module and matching element with the terminal module, the terminal module can be contacted and matched with the mating terminal .The terminal module includes an insulator and a conductive terminal held on the insulator, the conductive terminal includes a mating end, the mating end includes a first mating part that is matched with the mating terminal, and a second mating part that is arranged in front of the first mating part and is mated with the mating terminal. The second mating part protrudes beyond the first mating part in the direction of mating with the mating terminal to ensure that both the first mating part and the second mating part can contact and fit with the mating terminal. The second mating part of the terminal module of the present invention protrudes beyond the first mating part in the direction of mating with the mating terminal to ensure that both the first mating part and the second mating part can interact with the butt terminal contact mating, therefore, the terminal module can reliably achieve multi-point contact matching with the mating terminal.

Description

Terminal modules and mating components having the terminal modules

The present invention relates to a terminal module and a mating component having the terminal module, and in particular to a terminal module and mating component having a plurality of contact parts.

Please refer to Chinese Invention Patent No. CN104167620 announced on August 4, 2017, which discloses a contact terminal, which includes a front contact portion located at the front end, and a rear contact portion located at the rear end. The front contact portion and the rear contact portion The contact parts are located on the same horizontal plane. When using contact terminals and straight contact terminals to plug into each other, the front end of the straight contact piece moves from the front end of the contact terminal backward until it contacts the rear contact part of the contact terminal. However, because during the plugging process, the contact terminal is in contact with the rear contact part of the contact terminal. When the straight contact piece is plugged in, it will be pushed upward by the straight contact terminal and deform upward. When the front end of the straight contact terminal comes into contact with the contact surface of the rear contact part of the bent contact terminal, the front contact of the terminal module It is easy to tilt upward and separate from the mating terminal. It is difficult to ensure that the front and rear contact surfaces of the mating terminal and the contact terminal are in conductive contact. In this way, the contact terminal forms a long overhanging section in front of the conductive contact point. The overhanging section causes the front end of the contact terminal to form a stub radiation effect, seriously affecting the integrity of the signal transmission by the electrical connector.

The main purpose of the present invention is to provide a terminal module that can reliably achieve multi-point contact cooperation with a mating terminal.

In order to achieve the above object, the present invention adopts the following technical solution, a terminal module that can be contacted and matched with a butt terminal. The terminal module includes an insulator and a conductive terminal fixed on the insulator. The conductive terminal includes a forward Extending beyond the mating end of the insulator that mates with the mating terminal, the mating end includes a first mating portion mating with the mating terminal, and a mating end disposed in front of the first mating portion mating with the mating terminal. The second mating part protrudes beyond the first mating part in the direction of mating with the mating terminal to ensure that both the first mating part and the second mating part can be mated with the mating terminal. The butt terminals contact and mate.

The specific implementation structure is as follows. The mating end includes a base extending forward from the insulator, a first connecting portion extending forward and obliquely to one side from the front section of the base, and the first mating portion extends from the first The front end of the connecting part extends forward, the second connecting part extends forward and obliquely to the side from the front end of the first fitting part, and the third connecting part extends forward from the front end of the second connecting part. , and the second fitting portion protrudes forward from the front end of the third connecting portion toward the other side opposite to the one side.

Further, the first fitting part is arranged parallel to the base part.

Further, the third connecting portion extends obliquely forward and toward the other side from the front end of the second connecting portion such that an angle greater than 0 degrees is formed between the third connecting portion and the base portion, and The second mating portion is caused to protrude beyond the first mating portion in a direction mating with the mating terminal.

Furthermore, the size of the third connection part in the front-rear direction is larger than the size of any one of the base part, the first connection part, the first matching part and the second connection part in the front-rear direction.

Further, the insulator includes a support extending forward along one side of the base, and the support can adjust the length of the mating end so that the low-level contact resistance of the conductive terminal is less than 30 milliohms.

Further, the mating terminal has a flat structure, the first mating part is inelastically mated with the mating terminal, and the second mating part is elastically mated with the mating terminal.

Further, the second fitting part includes a slot extending in the front-rear direction, and the slot divides the second fitting part into a pair of elastic fitting arms.

Another main object of the present invention is to provide a mating component whose terminal module can reliably achieve multi-point contact mating with the mating terminal.

In order to achieve the above object, the present invention adopts the following technical solution, a matching assembly, which includes a terminal module and a docking terminal module that cooperates with the terminal module. The docking terminal module includes a docking terminal, and the terminal module It includes an insulator and a conductive terminal fixed on the insulator. The conductive terminal includes a mating end extending forward beyond the insulator and mating with the mating terminal. The mating end includes a first mating terminal mated with the mating terminal. A mating portion, and a second mating portion disposed in front of the first mating portion that mates with the mating terminal, the second mating portion protrudes beyond the first mating portion in a direction mating with the mating terminal. to ensure that the first matching part and the second The mating portion can contact and mate with the butt terminal.

The specific implementation structure is as follows. The butt terminal has a flat structure, the first mating part has a straight structure, and the second mating part has a non-straight structure, so that the first mating part and the second mating part Contact and cooperate with the mating terminal in different ways.

Compared with the prior art, the advantage of the present invention is that the second mating portion of the terminal module of the present invention protrudes beyond the first mating portion in the direction of mating with the mating terminal to ensure that the first mating portion Both the second fitting portion and the second fitting portion can contact and fit with the mating terminal, so that the terminal module can reliably achieve multi-point contact mating with the mating terminal.

100: Matching components

10:Terminal module

11:Insulator

110:Support

12:Conductive terminal

13: Matching end

14:First coordination department

15:Second Cooperation Department

150:Slot

151:Mating arm

16:Base

17:First connection part

18:Second connection part

19:The third connection part

20: docking terminal module

21:Butt terminal

22:Butt insulator

210: rounded corners

The first figure is a perspective view of the mating assembly of the present invention.

The second figure is a perspective view of the matching assembly in the first figure from another perspective.

The third figure is a bottom view of the mating assembly in the first figure.

The fourth figure is a perspective view of the mating component in the first figure in an unmated state.

The fifth figure is a perspective view of the mating component in the second figure in an unmated state.

The sixth figure is an exploded view of the terminal module of the matching assembly in the fourth figure.

The seventh figure is an exploded view of the terminal module of the matching assembly in the fifth figure.

Figure 8 is a bottom view of the terminal module of the mating component in Figure 1 when it is not mated.

The ninth figure is a partial enlarged view of the block portion of the terminal module of the matching assembly in the third figure.

Referring to Figures 1 to 9, the mating assembly 100 of the present invention includes a terminal module 10 and a butt terminal module 20 mated with the terminal module 10. The docking terminal module 20 includes a docking terminal 21 and a docking insulator 22 holding the docking terminal 21 . The terminal module 10 includes an insulator 11 and conductive terminals 12 fixed on the insulator 11 . The mating terminal 21 has a flat structure as a whole. The front end of the docking terminal 21 is provided with a rounded corner 210 to facilitate cooperation with the conductive terminal 12 .

The conductive terminal 12 includes a mating end 13 extending forward beyond the insulator 11 and mating with the mating terminal 21 . The mating end 13 includes a first mating portion 14 mating with the mating terminal 21 and a second mating portion 15 disposed in front of the first mating portion 14 and mating with the mating terminal 21 . The second mating portion 15 protrudes beyond the first mating portion 15 in a direction mating with the mating terminal 21 . The mating portion 14 is configured to ensure that both the first mating portion 14 and the second mating portion 15 can contact and mate with the mating terminal 21 . The first mating part 14 has a straight structure, and the second mating part 15 has a non-straight structure, so that the first mating part 14 and the second mating part 15 contact the mating terminal in different ways. Fitting, specifically, in this embodiment, the first fitting part 14 is inelastically matched with the butt terminal 21 , and the second fitting part 15 is elastically matched with the butt terminal 21 .

Specifically, in this embodiment, the mating end 13 further includes a base 16 extending forward out of the insulator 11, a first connecting portion 17 extending forward and obliquely to one side from the front section of the base 16. The first fitting part 14 extends forward from the front end of the first connecting part 17, and the second connecting part 18 extends forward and obliquely to the side from the front end of the first fitting part 14. The third connecting part 19 extends forward from the front end of the second connecting part 18, and the second fitting part 15 protrudes forward from the front end of the third connecting part 19 to the other side opposite to the one side. .

Specifically, in this embodiment, as shown in the eighth figure, the first fitting part 14 is further arranged parallel to the base part 16, and the oblique extension of the first connecting part 17 makes the first fitting part 14 There is a distance a between the base portion 14 and the base portion 16 . The third connecting part 19 is forward from the front end of the second connecting part 18 so that the third connecting part 19 is parallel to the base part 16 . The third connecting part 19 may also be designed to extend forward and obliquely to the other side from the front end of the second connecting part 18 so that the formation between the third connecting part 19 and the base part 16 is greater than 0 degree, so that the second mating portion 15 protrudes beyond the first mating portion 14 in the direction of mating with the mating terminal 21 . The second fitting portion 15 includes a slot 150 extending in the front-rear direction. The slot 150 divides the second fitting portion 15 into a pair of elastic fitting arms 151 .

Specifically, in this embodiment, the size of the third connecting part 19 in the front-rear direction is larger than the base part 16 , the first connecting part 17 , the first fitting part 14 and the second connecting part 18 The dimensions of any one of them in the front-to-back direction.

Specifically, in this embodiment, the insulator 11 includes a support 110 extending forward along one side of the base 16 , and the support 110 can adjust the length of the mating end 13 so that the conductive The Low Level Contact Resistance (LLCR) of terminal 12 is less than 30 milliohms. Please refer to the eighth figure. In this embodiment, the mating end 13 has a cantilever structure. The length b of the cantilever can be appropriately increased as needed by the support member 110 to adjust the length b of the cantilever. Adjust the normal force (Normal Force) of the mating end 13 when mating. The first contact overhang length of the first fitting portion 14 cantilevered out of the insulator 11 is c. Further, it is also possible to adjust the size of the cantilever length b, the size of the first contact overhang length c, the angle between the support member 110 , the first matching part 14 and the third connecting part 19 One or more of them, so that the second mating portion 15 protrudes beyond the first mating portion 14 in a direction mating with the mating terminal 21 .

The mating terminal 21 is mated with the second mating part 15 and continues sliding for a dimension d before mating with the first mating part 14. The dimension d of the mating terminal 21 is the wiping distance. In this article, In the embodiment, the continued sliding dimension d>1.00mm. As shown in Figure 9, after the conductive terminal 12 and the butt terminal 21 are fully matched, there is an air gap e between the conductive terminal 12 and the butt terminal 21. The size of the air gap e can be adjusted by adjusting the size of the air gap e. The capacitance parameter between the conductive terminal 12 and the mating terminal 21.

In this embodiment, the mating component 100 is a structural design for differential signal terminal interconnection. Such a structural design can be used for backplane connectors and related connector products with high-speed signal transmission specifications such as SAS and PCIe. Of course, It can also be adapted to the structural design of other non-differential pairs of terminal interconnections.

The mating component 100 of the present invention adds a contact point based on the traditional structural design, which effectively solves the impact of the capacitive effect of single-point contact on the impedance matching during high-speed signal transmission, improves the impedance matching after mating, and improves insertion loss ( Insertion Loss). And the second mating part 15 of the terminal module 10 of the present invention protrudes beyond the first mating part 14 in the direction of mating with the mating terminal 21 to ensure that the first mating part 14 and the second mating part Each part 15 can contact and cooperate with the mating terminal 21, so that the terminal module 10 can reliably achieve multi-point contact mating with the mating terminal 21.

The above is only one embodiment of the present invention, not all or the only embodiments. Any equivalent changes made to the technical solution of the present invention by those of ordinary skill in the art after reading the description of the present invention shall be included in the claims of the present invention. covered.

100: Matching components

10:Terminal module

11:Insulator

12:Conductive terminal

20: docking terminal module

21:Butt terminal

22:Butt insulator

Claims (10)

A terminal module that can be contacted and matched with a butt terminal. The terminal module includes: an insulator; a conductive terminal, the conductive terminal is fixed on the insulator, the conductive terminal includes: a mating end, and the mating end faces The front extends beyond the insulator to mate with the mating terminal; wherein the mating end includes a first mating portion mating with the mating terminal, and a first mating portion disposed in front of the first mating portion mating with the mating terminal. The second mating part, the first mating part is a straight structure, the second mating part is a non-straight structure, the second mating part protrudes beyond the first mating part in the direction of mating with the mating terminal. part to ensure that both the first fitting part and the second fitting part can contact and fit with the mating terminal. The terminal module according to claim 1, wherein the mating end includes a base extending forward out of the insulator, a first connecting portion extending forward and obliquely to one side from the front section of the base, the first The fitting portion extends forward from the front end of the first connecting portion, the second connecting portion extends forward and obliquely to the side from the front end of the first connecting portion, and the second connecting portion extends forward from the front end of the second connecting portion toward the side. The front-extending third connecting portion and the second matching portion protrude forward from the front end of the third connecting portion and toward the other side opposite to the one side. The terminal module according to claim 2, wherein the first fitting part is arranged parallel to the base part. The terminal module according to claim 2, wherein the third connecting part extends forward from the front end of the second connecting part and obliquely extends toward the other side so that the third connecting part is connected to the An included angle greater than 0 degrees is formed between the base parts, so that the second fitting part protrudes beyond the first fitting part in a direction of fitting with the mating terminal. The terminal module according to claim 2, wherein the size of the third connecting part in the front-rear direction is larger than any of the base part, the first connecting part, the first mating part and the second connecting part. A dimension in said front-to-back direction. The terminal module according to claim 2, wherein the insulator includes a support extending forward along one side of the base, and the support can adjust the length of the mating end so that the conductive terminal has a low electrical resistance. Flat contact impedance is less than 30 milliohms. The terminal module according to claim 1, wherein the mating terminal is a flat structure, the first mating part is inelastically mated with the mating terminal, and the second mating part is elastically mated with the mating terminal. The terminal module according to claim 1, wherein the second fitting part includes a slot extending in a front-rear direction, and the slot divides the second fitting part into a pair of elastic fitting arms. A mating component, which includes a terminal module and a docking terminal module that cooperates with the terminal module. The docking terminal module includes a docking terminal. The terminal module includes an insulator and a conductive terminal fixed on the insulator. , the conductive terminal includes a mating end extending forward beyond the insulator and mating with the mating terminal, wherein the mating end includes a first mating portion mating with the mating terminal, and is disposed on the first mating The second mating portion is in front of the mating terminal and is mated with the mating terminal. The first mating portion is a straight structure, the second mating portion is a non-straight structure, and the second mating portion is mated with the mating terminal. The direction protrudes beyond the first mating portion to ensure that both the first mating portion and the second mating portion can contact and mate with the mating terminal. The mating assembly according to claim 9, wherein the mating terminal is a flat structure, so that the first mating part and the second mating part contact and cooperate with the mating terminal in different ways.

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