WO2008058464A1

WO2008058464A1 - An electrical connector

Info

Publication number: WO2008058464A1
Application number: PCT/CN2007/003207
Authority: WO
Inventors: Po-Kuei Su
Original assignee: Molex Incorporated
Priority date: 2006-11-14
Filing date: 2007-11-14
Publication date: 2008-05-22
Also published as: CN200965932Y

Abstract

An electrical connector includes an adapter(l) provided with a plurality of first terminal slots (13), a base (2) provided with a plurality of second terminal slots (21), a terminal group (3) including a plurality of terminals, and a spacer (4). The terminals are contained in the first terminal slots and the second terminal slots so as to mount floatably the adapter on the base. The angle formed by the two ends of every terminal is right angle, and a C-shaped spring arm (314) is formed in the corner of every terminal. The length of every terminal exposed from the adapter and the base is separately longer than the length of the terminal contained in the adapter and the base. The spacer is provided to go through the C-shaped spring arm (314), and the terminals are provided separately by the spacer.

Description

Electrical connector

The invention relates to an electrical connector, in particular to a type of electrical connection with a circuit board, and can be inserted into a pair of electrical connectors, which can provide elastic buffering and effective dispersing power. Avoid electrical connectors that cause damage. Background technique

The existing electrical connector can be electrically connected to a circuit board, and the electrical connector can be plugged into a mating electrical connector disposed at the rear end of the hard disk device, thereby enabling the hard disk device to be electrically connected through the docking The electrical connector and the electrical circuit are electrically connected to facilitate the transmission of electronic signals.

The above-mentioned existing electrical connector is a fixed one-piece design. When the docking electrical connector of the hard disk device and the electrical connector are plugged into each other, there is no space for elastic buffering between the two, and the hard disk device generally It is installed in a portable electronic product such as a notebook computer. Therefore, the fragile hard disk device is easily damaged by factors such as shaking and moving of the electronic product, especially when the hard disk device is shaken, the docking electrical connector of the hard disk device and Torque is generated between the electrical connectors, which can easily cause damage to the hard disk device, the docking electrical connector, and the electrical connector.

Taiwan Patent Certificate No. published on December 11, 2005: The M283380 patent discloses a "board-connected electrical connector" comprising: a first housing, a second housing, and a plurality of contacts ( Also referred to as a terminal), wherein each of the plurality of contacts has a contact section held by the first housing and in contact with the mating contact, a connecting section held by the second housing and connected to the board And engaging the elastic coupling portion of the contact portion and the connecting portion to allow the contact portion to float relative to the connecting portion, wherein: each of the plurality of contacts has a curved portion along the height direction Formed in an elastic joint section at a different position from an adjacent joint; and the first and second shells have protrusions protruding from one side to the other side, and the recesses are formed on the other side and the protrusions The part cooperates to shake the side. The first housing of the electrical connector can be slightly floated in any X, Y, and x-axis directions to disperse the force to avoid damage to the hard disk device, the docking electrical connector, and the electrical connector.

The electrical connector is disposed inside the electronic product. When the user inserts the hard disk device, the electrical connector is invisible, forming a blind plug state, and the floating amount of the electrical connector is small. A difference occurs in the relative height or distance of the device from the board, and when a large amount of floating is required, it is not applicable.

The existing electrical connector also uses a flexible printed circuit board (FPC) to meet the need for a large amount of floating. The cost of the flexible printed circuit board is too high, and it is required at one end of the flexible printed circuit board. The circuit board is respectively provided with a connector, and the mutual connection of the pair of connectors can be electrically connected to the circuit board, which further increases the production cost.

The above-mentioned conventional electrical connectors have many disadvantages in structural design, which cause trouble and inconvenience in use. Summary of the invention

1 The main object of the present invention is to provide an electrical connector capable of providing a large amount of floating of the connector, so that the electrical connector has an elastic buffering function, and can effectively disperse the force to avoid causing the hard disk device and the docking electrical connection. Damage to the electrical connector and the number of connectors used, reducing the cost of production.

A secondary object of the present invention is to provide an electrical connector that allows the exposed terminals to be shorted without contacting each other without affecting the floating of the joint.

In order to achieve the above object, the present invention provides an electrical connector comprising: a connector provided with a plurality of first terminal slots; a base provided with a plurality of second terminal slots; a terminal set, The terminal includes a plurality of terminals, and the terminals are received in the first terminal slot and the second terminal slot, so that the connector is floatable on the base, each terminal is provided with a C-type elastic arm; and a spacer It is disposed on the C-shaped elastic arm, and the terminals are arranged at intervals by the partition plate.

The invention has the following beneficial effects: The invention mainly divides the electrical connector into a joint and a base, and becomes a two-piece design, and connects the joint and the base with the terminal group, so that the joint can be floatingly disposed on the base At the same time, there is a large amount of floating. When the docking electrical connector of the hard disk device and the electrical connector are plugged into each other, the elastic buffering function is provided between the two, and the floating connector can follow the floating device to float. Effectively dispersing power, avoiding damage to hard disk units, docking electrical connectors and electrical connectors, and eliminating the need to use them with other connectors, reducing production costs.

In addition, the present invention uses a movable spacer to prevent mutual contact between the terminals, thereby causing a short circuit, and the spacer does not affect the floating of the connector. DRAWINGS

Figure 1 is a perspective view of an electrical connector of the present invention;

Figure 2 is an exploded perspective view of the electrical connector of the present invention;

Figure 3 is a side view of the electrical connector of the present invention;

Figure 4 is a front elevational view of the spacer of the electrical connector of the present invention;

Figure 5 is an exploded perspective view of another embodiment of the electrical connector of the present invention;

Figure 6 is a front elevational view of another spacer of the electrical connector of the present invention;

Figure 7 is a perspective view showing the exploded state of the electrical connector and the docking electrical connector of the present invention;

Figure 8 is a front elevational view of yet another spacer of the electrical connector of the present invention. detailed description

The following is a further detailed description of the present invention - referring to FIG. 1 to FIG. 4, the present invention provides an electrical connector, in particular, a mating electrical connector that can be connected to a hard disk device. The electrical connector that achieves the electrical connection includes a connector 1, a base 2, a terminal set 3 and a spacer 4, wherein the connector 1 is made of a plastic material, and the left and right portions of the connector 1 are distinguished. Formed as a power supply area 11 and a signal area 12, respectively, the power supply area 11 and the signal area 12 of the connector 1 are respectively provided with a plurality of first terminals a slot 13 is formed at the front end of the connector 1. The front end of the first terminal slot 13 is in communication with the socket 14. The rear end of the first terminal slot 13 extends through the rear end of the connector 1. There is a positioning post 15, which is substantially horizontal and has a tapered shape at its front end.

The base 2 is made of a plastic material, and the base 2 is provided with a plurality of second terminal slots 21 corresponding to the first terminal slots 13. The second terminal slots 21 extend through the top and bottom surfaces of the base 2. .

A fixing slot 22 is defined in each of the two sides of the base 2, and a fixing member 23 is embedded in the fixing slot 22, and the fixing member 23 is a board locking member, which can be buckled and fixed to a circuit board 5. In the corresponding locking hole 51, the base 2 can be firmly locked to the circuit board 5.

The terminal group 3 includes a plurality of terminals 31, 32 which are made of a metal material, and the terminals 31, 32 are a power terminal 31 and a signal terminal 32, respectively, and are designed in a single piece. Each of the terminals 31, 32 has a first fixing portion 311, 321 , a contact portion 312 , 322 , a first turning portion 313 , 323 , a C-shaped elastic arm 314 , 324 , a second turning portion 315 , 325 . a second fixing portion 316, 326 and a welding portion 317, 327. The contact portions 312 and 322 are formed by extending the front ends of the first fixing portions 311 and 321 . The first turning portions 313 and 323 are formed by extending the rear ends of the first fixing portions 311 and 321 . The first turning portions 313 , 323 is formed in an arc shape and connected to the C-shaped elastic arms 314, 324-ends, and the other end of the C-shaped elastic arms 314, 324 extends downwardly to form an arc-shaped second turning portion 315, 325, the second fixing The portions 316 and 326 are formed by extending the lower ends of the second turning portions 315 and 325. The welded portions 317 and 327 are formed by extending the lower ends of the second fixing portions 316 and 326, thereby forming the one-piece terminals 31 and 32.

The terminals 31 and 32 are embedded and fixed in the first terminal slot 13 of the connector 1 by the first fixing portions 311 and 321 . The contact portions 312 and 322 of the terminals 31 and 32 extend into the socket 14 for docking. The electrical connector contacts an electrical connection. The terminals 31 and 32 are embedded in the second terminal slot 21 of the base 2 by the second fixing portions 316 and 326. The angle between the terminals 31 and 32 received between the connector 1 and the two ends of the base 2 is The C-shaped elastic arms 314, 324 are formed at right angles, and the lengths of the terminals 31, 32 exposed outside the joint 1 and the base 2 are respectively greater than the lengths accommodated in the joint 1 and the base 2.

The terminals 31, 32-end soldering portions 317, 327 extend beyond the bottom surface of the base 2, and the soldering portions 317, 327 can be soldered to the contacts 52 of the circuit board 5 to enable the terminals 31, 32 to be connected to the circuit board. 5 to achieve an electrical connection. In the present embodiment, the terminals 31, 32 are soldered to the contacts 52 of the circuit board 5 in a surface mount manner, and may be in the form of a through hole, as shown in FIG. The soldering portions 317 and 327 are inserted and soldered to the corresponding holes 53 of the circuit board 5 to be electrically connected to the circuit board 5.

The terminals 31 and 32 are received in the first terminal slot 13 and the second terminal slot 21, and the terminal group 3 is connected between the connector 1 and the base 2. The connector 1 is floating on the base 2, It can be floated in the X, Y, and x-axis directions, and these terminals 31, 32 are specially provided with C-type elastic arms 314, 324, which can provide better elasticity.

The partition plate 4 is made of a plastic material and has a square shape. The partition plate 4 is provided with a plurality of blocks 41. Each block 41 is provided with at least one square long groove 42. The long groove 42 is The terminals 31, 32 are correspondingly connected to each other by a bridge portion 43 to form the partition plate 4. The opposite sides of the bridge portion 43 are respectively provided with an insertion portion 44 for the terminals 31, 32. by. When the terminals 31 and 32 are assembled, the C-shaped elastic arms 314 and 324 of a part of the terminals 31 and 32 of the terminal group 3 pass through the long groove 42 from below the partition plate 4 and are exposed above the partition plate 4, The C-shaped elastic arms 314, 324 of the remaining terminals 31, 32 of the terminal group 3 straddle the bridge portion 43 from above the partition plate 4, and the two ends of the C-type elastic arms 314, 324 are respectively from top to bottom. The insertion portions 44 on both sides of the bridge portion 43 are passed through, and the spacers 4 are further passed through the C-type elastic arms 314 and 324 of the terminal group 3, and the terminals 31 and 32 can be passed through the spacer 4 The partitions are arranged in a spaced relationship, so that the terminals 31, 32 do not contact each other to cause a short circuit. When the partition plate 4 moves upward, the bridge portion 43 of the partition plate 4 abuts against the C-shaped elastic arms 314, 324 of the terminal group 3 to stop the partition plate 4 from continuing to move upward, when the partition plate 4 is downward. When moving, the inner surface of the long groove 42 of the partition plate 4 abuts against the first turning portions 313, 323 and the second turning portions 315, 325 of the terminal group 3 to stop the partition plate 4 from continuing to move downward, so that the partition plate 4 can be movable by the long slots 42 on the C-type spring arms 314, 324 of the terminal set 3, and will not leave the terminal set 3; by the above composition to form the electrical connector of the present invention .

Referring to FIG. 6, another partitioning plate 4 is disclosed. The block 41 of the partitioning plate 4 has a large area, and is provided with a plurality of long grooves 42 spaced apart by the bridge portion 43. Connected to each other, the bridge portion 43 is also provided with an insertion portion 44 on opposite sides thereof. The larger-area block 41 is an integral structure for reinforcing the partition plate 4.

Referring to FIG. 7, the electrical connector of the present invention can be interposed with a mating electrical connector 7 disposed at the rear end of the hard disk device 6. The two sides of the docking electrical connector 7 are respectively provided with a positioning slot 71, which can be used with the battery. The positioning posts 15 on the two sides of the connector 1 of the connector cooperate to guide the electrical connector to be accurately engaged with the mating electrical connector 7, and electrically connect the mating portions 312 and 322 of the power terminal 31 and the signal terminal 32 to the mating terminal. The corresponding terminal 72 of the device 7 is in contact with each other, so that the hard disk device 6 can be electrically connected to the circuit board 5 through the docking electrical connector 7 and the electrical connector to facilitate the transmission of electronic signals.

Referring to FIG. 8 , which is another variation of the spacer 4 of FIG. 4 , the spacer 4 is further provided with a plurality of reinforcing ribs 45 , and the reinforcing ribs 45 are connected to the two sides of the open end of the insertion portion 44 to make the insertion portion 44 is formed into a closed shape to make the overall structure of the partitioning plate 4 more stable.

When the terminals 31, 32 are assembled, the terminals 31, 32 are placed under the spacer 4 in a manner similar to a needle lead, and the ends of the terminals 31, 32 near the contact portions 312, 322 are firstly passed through the bridge portion 43 from below to above - After the insertion portion 44 of the end crosses the bridge portion 43, the insertion portion 44 that passes through the other end of the bridge portion 43 from the top to the bottom allows the spacer 4 to pass through the terminals 31, 32. C-type elastic arms 314, 324.

The invention mainly adopts a two-piece design of the electrical connector, and the electrical connector is divided into a joint 1 and a base 2, and the joint 1 is floatably disposed on the base 2 by the connection of the terminal group 3, Since the joint 1 and the base 2 are only connected by the terminal group 3 and have no other limiting structure, the joint 1 can have a large floating amount by the elasticity of the terminal set 3, in the hard disk device 6 When the relative height or distance of the circuit board 5 is relatively large, the elastic state can be adjusted with a large amount of floating, and the hard disk device 6 can be connected.

When the docking electrical connector 7 of the hard disk device 6 and the electrical connector are plugged into each other, the two have an elastic buffering function, and the connector 1 can float in any X, Υ, and Ζ directions, when the hard disk device is shaking. When the connector 1 is floated along with the hard disk device 6, the power can be effectively dispersed, so that the hard disk device 6, the docking electrical connector 7 and the Damage to the electrical connector.

In addition, the electrical connector is provided with a movable spacer 4 for preventing the short-circuit of the terminals 31, 32 from contacting each other, and does not limit the elasticity of the terminals 31, 32. The position of the terminals 31, 32 can be adjusted according to the floating amount of the terminals 31, 32, so that the joint 1 has a better floating effect with respect to the base 2. The terminals 31, 32 are provided with the C-type elastic arms 314, 324, so that the electrical connector can have better rigid support, and at the same time, the terminals 31, 32 have better elasticity, and the present invention does not need to be soft. In general, a printed circuit board is additionally provided with a pair of connectors to be connected to the circuit board 5, which further reduces the cost of production.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and those skilled in the art can make other use of the technical solutions and technical concepts of the present invention. Various changes and modifications are possible, and all such changes and modifications are intended to be included within the scope of the appended claims. Industrial applicability

The invention mainly divides the electrical connector into a joint and a base, and becomes a two-piece design, and connects the joint and the base with the terminal group, so that the joint can be floatingly disposed on the base, and has a large The amount of floating, when the docking electrical connector of the hard disk device and the electrical connector are plugged into each other, the elastic buffering function between the two, the floating connector can follow the floating of the hard disk device, and can effectively disperse the force and avoid causing Damage to the hard disk unit, docking electrical connector and electrical connector, and no need to be used with other connectors, reducing production costs.

Claims

Rights request

An electrical connector, the electrical connector comprising:

a joint having a plurality of first terminal slots;

a base, which is provided with a plurality of second terminal slots;

a terminal group, comprising a plurality of terminals, wherein the terminals are received in the first terminal slot and the second terminal slot, so that the connector can be floated on the base, and the clip between the two ends of each terminal The corners are at right angles, and a C-shaped elastic arm is formed at a corner thereof, and the lengths of the terminals exposed outside the joint and the base are respectively greater than the lengths accommodated in the joint and the base;

A spacer plate is disposed on the c-type elastic arm, and the terminals are disposed at intervals by the spacer.

2. The electrical connector according to claim 1, wherein each of the two sides of the joint is provided with a positioning post.

3. The electrical connector according to claim 1, wherein the base is disposed on a circuit board, and one end of the terminals is electrically connected to the circuit board.

The electrical connector according to claim 3, wherein a fixing slot is disposed on each of the two sides of the base, and a fixing member is respectively embedded and fixed in the two fixing slots, and the fixing component is fixed to the circuit board. Corresponding to the lock hole.

The electrical connector of claim 1 wherein said terminals are of a single piece design, each terminal having a first fixing portion, a contact portion, a first turning portion, a second turning portion, a second fixing portion and a connecting portion, wherein the connecting portion and the first turning portion are respectively formed by extending a front end and a rear end of the first fixing portion, and the first turning portion is connected to the C-shaped bullet One end of the arm, the other end of the C-shaped elastic arm extends to form a second turning portion, and the second fixing portion is formed by extending a lower end of the second turning portion, and the welded portion is formed by extending a lower end of the second fixing portion, and the terminals are A fixing portion and a second fixing portion are respectively fixed in the first terminal slot and the second terminal slot.

6. The electrical connector according to claim 1, wherein the spacer is provided with a plurality of blocks, each block being provided with at least one long slot corresponding to the terminals, between the blocks Connected to a bridge portion, an opposite portion of each of the bridge portions is provided with an insertion portion, and a C-shaped elastic arm of a part of the terminal of the terminal group passes through the long slot and is exposed to the partition plate. The C-shaped elastic arm of the remaining terminals straddles the bridge portion, and both ends of the C-type elastic arm respectively pass through the insertion portions on both sides of the bridge portion. '

The electrical connector according to claim 6, wherein the spacer is provided with a plurality of reinforcing ribs, and the reinforcing ribs are connected to both sides of the open end of the insertion portion, so that the insertion portions are closed. .