TWI496354B - Interface connector - Google Patents

Description

Interface connector

The present invention is an interface connector, and more particularly a PCI-E interface connector having a snap-fastening structure for securely plugging into an interface slot.

The PCI Express Bus Interface (PCI-E) is a type of computer bus that uses the existing PCI programming concepts and communication standards, but further provides a faster serial communication system. The PCI-E interface is designed to increase the speed of all bus bars inside the computer. Therefore, there are many different broadband specifications, including PCI-E 1X, PCI-E 2X, PCI-E 4X, PCI-E 8X, and PCI-E 16X. Among them, PCI-E 1X is used to expand TV cards, sound effects cards, etc. PCI-E 16X is designed for display cards. Currently, PCI-E 1X, PCI-E 4X, PCI-E 16X and other interfaces are more common.

In addition to the PCI-E 2X, the aforementioned PCI-E interface is mainly applied in the expansion slot mode, as shown in FIG. 10, including a PCI-E slot 70 and a PCI inserted in the PCI-E slot 70. - The expansion card 80, wherein the PCI-E expansion card 80 includes a circuit board 81 and a bracket 82 disposed at one end of the circuit board 81. The lower end of the circuit board 81 extends to form an electrical connection portion 810, and the lower end of the electrical connection portion 810 A gold finger 811 is respectively disposed on the bottom surface to electrically connect with the conductive terminal (not shown) in the PCI-E slot 70 after the electrical connection portion 810 is inserted into the PCI-E slot 70.

The PCI-E interface is fixed in the expansion slot mode by the PCI-E expansion card 80 to the computer casing by the bracket 82 thereon, and also ensures the electrical connection portion 810 and PCI of the PCI-E expansion card 80. -E The plug between slots 70 is stable. However, when the PCI-E interface is not in the form of an expansion card but in the form of an interface connector (connector), the interface between the interface connector and the PCI-E slot 70 can no longer be used to ensure stability.

It can be seen from the above that when the PCI-E interface is in the form of a connector, the stability of the connection with the slot must be considered. Therefore, the stability of the PCI-E interface of the connector form is still to be determined. Technical solution.

It is therefore a primary object of the present invention to provide an interface connector that is easy to operate and that ensures a secure plug.

The main technical means for achieving the foregoing purpose is that the interface connector comprises: a casing which is hollow and has an accommodating space, and the casing has a limiting structure; a circuit board is fastened to In the accommodating space of the housing, the circuit board has an electrical connection portion and one or more contact groups; the electrical connection portion extends out of the housing; one or more connection lines, one end and the circuit board The upper contact group is electrically connected, and the other end is inserted out of the housing; a spring fastener is disposed outside the housing, the spring fastener has two parallel arms, and the free ends of the two parallel arms extend in opposite directions to form a a pivoting arm for pivoting to the housing; the two parallel arms corresponding to the limiting structure on the housing; the interface connector is a slot for exposing the electrical connection outside the housing to a matching interface After the plugging is completed, the elastic fasteners on the outer side of the housing can be fastened to the buckles outside the slot, so that the interface connector and the slot can be firmly combined; and the interface connector is inserted into the slot. During the process, the two parallel arms of the spring fastener will be constrained by the housing. Limiting the operating angle thereof, thereby rapidly reach a given It does not interfere with other components on the interface connector or around the slot; in particular, it provides a convenient interface connector that ensures a secure connection.

10‧‧‧Interface connector

11‧‧‧ front shell

110‧‧‧ front wall

111‧‧‧ rib cage

112A, 112B‧‧‧ card slot

12‧‧‧ Back shell

120‧‧‧ Back wall

121‧‧‧ top board

122‧‧‧floor

123‧‧‧ side panels

124‧‧‧Fixed block

125‧‧‧ wire hole

126‧‧‧ slotting

127‧‧‧ openings

128A, 128B‧‧‧ block

129‧‧‧ Cover

131‧‧‧First Limit Block

132‧‧‧second limit block

14‧‧‧ card

140‧‧‧ Ribs

141‧‧‧ third limit block

20‧‧‧Slots

21‧‧‧

210‧‧‧Bevel

30‧‧‧ boards

31‧‧‧Electrical connection

41, 42‧‧‧ connection line

50‧‧‧Snap fasteners

51‧‧‧Deduction

52‧‧‧parallel arm

53‧‧‧ pivot arm

54‧‧‧Fixed Department

70‧‧‧PCI-E slot

80‧‧‧PCI-E expansion card

81‧‧‧Circuit board

810‧‧‧Electrical connection

811‧‧‧ Gold Finger

82‧‧‧ bracket

1 is a combined appearance view (in combination with a slot) of a preferred embodiment of the present invention.

2 is an external view (separated from a slot) of a preferred embodiment of the present invention.

Figure 3 is an exploded view of a preferred embodiment of the present invention.

Figure 4 is a partial enlarged view of a preferred embodiment of the present invention.

Figure 5 is a partial cross-sectional and plan view of a preferred embodiment of the present invention.

FIG. 6 is a schematic diagram of a plane and an action according to a preferred embodiment of the present invention.

FIG. 7 is a schematic diagram of still another plane and action according to a preferred embodiment of the present invention.

Figure 8 is a partial exploded view of still another preferred embodiment of the present invention.

FIG. 9 is a schematic diagram of a plane and an action according to still another preferred embodiment of the present invention.

Figure 10 is a perspective view of a PCI-E interface in the form of a known expansion card.

Referring to FIG. 1 and FIG. 2, the interface connector 10 of the present invention is configured to be inserted into a slot 20 of a matching interface. Specifically, the interface connector is specifically connected. 10 and slot 20 are PCI-E interfaces. The slot 20 has a body having a front side wall and a rear side wall. The front and rear side walls are parallel to each other. The upper end of the front side wall is formed with a lateral buckle block 21, and the buckle block 21 is decremented from top to bottom. The width has a slope 210. The aforementioned slot 20 is a known component, and the present invention will utilize the known snaps 21 on the socket 20 to allow the interface connector 10 to be securely plugged into the slot 20.

Referring to FIG. 3, the interface connector 10 includes a housing, a circuit board 30, a plurality of connecting wires 41, 42 and a latching member 50.

In this embodiment, the housing includes a front housing 11 and a rear housing 12. The rear housing 12 has a rectangular rear wall 120. The top, bottom, and left and right ends of the rectangular rear wall 120 extend horizontally to form a top panel. 121, a bottom plate 122 and two side plates 123; wherein, the inner side of the rectangular rear wall 120 is formed with two fixed blocks 124 having a relatively L-shaped cross section; and the top plate 121 is formed with one or more wire holes 125 for The connecting wires 41, 42 pass. The bottom plate 122 is formed with more than one opening for the portion of the circuit board 30 to extend beyond the bottom plate 122 of the rear case 12.

As shown in FIG. 4, a slot 126 is formed in the upper ends of the two side plates 123 of the rear case 12. In this embodiment, the slot width of the slot 126 is decreased from the outside to the inside, and further formed at the inner end of the slot 126. A hole 127 is opened to mount the aforementioned snap fastener 50. The rear cover 12 further defines a first limiting block 131 at an outer side of the two side plates 123 adjacent to the opening 127. The outer end of the first limiting block 131 has a beveled surface at an oblique angle. The two side plates 123 further form a second limiting block 132 at the lower end of the outer side surface. In this embodiment, the outer side surfaces of the two side plates 12 are respectively formed with a cover 129 on the inner end of the slot 126. The cover 129 corresponds to the first limiting block 131 and the opening 127 on the side plate 12.

Still referring to FIG. 3, the rear case 12 is further formed with one or more latches 128A on the inner side of the outer end of the top plate 121. The two side plates 123 also form one or more latches 128B on the inner side faces of the outer side ends thereof. It is engaged with the front case 11 .

The front housing 11 has a rectangular front wall 110. The inner side of the rectangular front wall 110 defines a rib frame 111 on the inner side of each side. The outer periphery of the rib frame 111 is formed by the top plate 121, the bottom plate 122 and the side plates 123. The space of the rib frame 111 is formed with one or more card slots 112A. The lower ends of the rib frames 111 are respectively formed with a card slot 112B, wherein the card slot 112A of the top surface of the rib frame 111 corresponds to the rear shell 12 The card block 128A on the top plate 121 and the card slot 112B at the lower end of the two sides of the rib frame 111 correspond to the side plates 123 of the rear case 12 In the upper block 128B, the front case 11 and the rear case 12 are engaged with each other by the card slots 112A, 112B on the rib frame 111 and the corresponding blocks 128A, 128B.

As shown in FIG. 3 and FIG. 4, the two sides of the inner side of the front case 11 respectively extend to form a piece of the card member 14, and the width of the two card members 14 is increased from the outside to the inside and open on the side plates 123 of the rear case 12. The slots 126 are mated and are adapted to be inserted between the slots 126. The two latching members 14 are respectively formed with a rib 140 on the opposite outer side surface. The lower end of the rib 140 is formed with a third limiting block 141. The inner side of the third limiting block 141 has an inner inclined surface. Therefore, as described above, the housing has a limit structure corresponding to the elastic member 50, and the limiting structure includes first and second limiting blocks 131, 132 on the side plates 123 of the rear case 12, or further includes The front housing 11 forms a third limiting block 141 on the card member 14. In other different embodiments, the limit configuration may include only the first limit block 131 and the third limit block 141, or the limit structure includes only the second limit block 132 and the third limit block 141. .

The circuit board 30 has an upper end and a lower end, and a surface of the upper end and/or a back surface thereof is formed with more than one contact group, the contact group includes a plurality of contacts, and the connection lines 41 and 42 have a plurality of core wires, each of which has a plurality of core wires, each of which has a plurality of core wires, One end of the core wire is electrically connected to each of the contacts of the upper end of the circuit board 30; in this embodiment, the upper end surface and the back surface of the circuit board 30 respectively have a contact group, and the connection lines 41, 42 have two, two connection lines 41, The core wires of 42 are electrically connected to the contacts on the upper end surface and the back surface of the circuit board 30, respectively. The lower end of the circuit board 30 has an electrical connection portion 31 which is inserted into the socket 20 and is electrically connected.

The elastic member 50 has a cross arm, and a central portion of the cross arm is formed with a protruding buckle portion 51. The two ends of the cross arm respectively extend from a right angle direction to form a parallel arm 52. The two parallel arms 52 are respectively opposite to the other ends of the cross arm. A pivoting arm 53 is formed in the opposite direction, and the free end of the pivoting arm 53 is bent to form a fixing portion 54. The fixing portion 54 and the parallel arm 52 have an angle R (as shown in FIG. 5) to give the bullet. The fastener 50 has a reciprocating elasticity; wherein the spacing of the two parallel arms 52 is equal to or slightly larger than the width of the housing.

When the interface connector 10 is assembled, the latching member 50 is first mounted in the rear case 12 of the housing. The latching member 50 spans the opening 127 of the side plates 123 of the rear case 12 with its pivoting arm 53. The two fixing portions 54 are fastened and fixed to the fixing block 124 on the inner side surface of the rear case 12, and the two parallel arms 52 are located on the outer side faces of the two side plates 123, and the cross arms are located below the bottom plate 122. Then, the circuit board 30 is placed in the rear case 12, and the lower end of the electrical connection portion 31 is passed through the opening in the bottom plate 122 of the rear case 12. The connecting lines 41 and 42 electrically connected to the upper end of the circuit board 30 are respectively A wire hole 125 in the top plate 121 of the rear case 12 is pierced.

Then, the front case 11 is covered on the rear case 12 and combined with each other. The two latching members 14 of the front case 11 are respectively inserted into the slots 126 of the side plates 123 of the rear case 12, and the two parallel arms 52 of the latch member 50 are respectively One end of the adjacent pivoting arm 53 is located between the third limiting block 141 on the card member 14 and the first limiting block 131 on the side plate 123 (as shown in FIG. 5), and the first and third limiting blocks are 131, 141 limits the angle at which the snap fastener 50 operates, and the second limiting block 132 at the lower end of the side plate 123 corresponds to the other end of the parallel arm 52 to restrict its movement toward the electrical connection portion 31, thereby avoiding the elastic fastener 50 pairs of electrical connections 31 cause interference or bounce during the docking process.

Regarding how the aforementioned interface connector 10 is inserted into the slot 20 and the buckle is completed by the snap fastener 50, as described below:

Referring to FIG. 6, when the interface connector 10 is inserted into the slot 20 with its electrical connection portion 31, the cross arm (not shown) of the spring fastener 50 will first contact the buckle 21 on the slot 20. As the interface connector 10 moves downward, the cross arm of the snap fastener 50 will slide down along the slope of the buckle 21, and the parallel arm 52 of the snap fastener 50 will also move outward due to the card member 14. Having the third limit block 141 limits the angle of outward movement of the parallel arms 52, thereby preventing the snap fastener 50 from over-stretching and interfering with other components in the periphery.

When the electrical connection portion 31 of the interface connector 10 is fully inserted into the slot 20, the cross arm of the spring fastener 50 also passes through the slope 210 on the buckle 21, and then the buckle portion 51 protruding from the cross arm is fastened to the buckle 21 The bottom (as shown in Figure 7), in this way, ensures that the interface connector 10 is securely coupled to the slot 20.

Please refer to FIG. 8, which is an exploded view of another embodiment of the present invention. The difference between the interface connector 10 of the present embodiment and the interface connector 10 of the embodiment of FIG. 3 is that the interface connector 10 of the present embodiment lacks the fixing portion 54 and the fixing block 124, that is, the elastic fastener of the embodiment. The utility model has a cross arm, and a central portion of the cross arm is formed with a protruding portion 51. The two ends of the cross arm respectively extend from a right angle direction to form a parallel arm 52. The two parallel arms 52 extend in opposite directions with respect to the other ends of the cross arm. A pivoting arm 53, the free end of the pivoting arm 53 is no longer bent to form a fixing portion 54, and thus the inner side of the rectangular rear wall 120 is not formed with two cross-sections that are relatively L-shaped. Block 124 holds the fixed fixing portion 54. Please refer to FIG. 9 at the same time, which is a schematic diagram of the plane and action of the embodiment. After the interface connector 10 is inserted into the slot 20 with the electrical connection portion 31, the user manually grips the protruding portion 51 of the cross arm on the bottom of the buckle block 21, thereby ensuring the interface connector 10 and The slot 20 is firmly coupled. Since the third limiting block 141 on the card member 14 limits the outward movement angle of the parallel arm 52, the elastic member 50 can be prevented from being excessively stretched to interfere with other components in the periphery. The limit structure may include a first limit block 131, a second limit block 132, and a third limit block 141. In other different embodiments, the limit structure may also include only the first limit block 131 and The third limit block 141 or the limit structure includes only the second limit block 132 and the third limit block 141.

It can be seen from the above that the present invention is realized in the form of a connector in the PCI-E interface, giving a simple and securely fastened snap-fit structure, and the design of the limit structure is used to limit the action angle of the snap fastener during the plugging process. It can avoid interference with other electrical components or other components and devices around the slot, so there is substantial and significant improvement in the stability of the combination and the convenience of operation.

10‧‧‧Interface connector

11‧‧‧ front shell

12‧‧‧ Back shell

20‧‧‧Slots

21‧‧‧

210‧‧‧Bevel

31‧‧‧Electrical connection

41, 42‧‧‧ connection line

50‧‧‧Snap fasteners

51‧‧‧Deduction

52‧‧‧parallel arm

Claims (10)

An interface connector includes a casing that is hollow and has an accommodating space, and has a limiting structure on the casing; a circuit board is disposed in the accommodating space of the casing, The circuit board has an electrical connection portion and one or more contact sets; the electrical connection portion extends out of the housing; one or more connection lines, one end of which is electrically connected to the contact group on the circuit board The other end is disposed outside the housing; and a latching member is disposed outside the housing, the latching member has two parallel arms, and the free ends of the parallel arms extend in opposite directions to form a pivoting arm for Pivoting the elastic fastener to the housing; the two parallel arms corresponding to the limiting structure on the housing; wherein the housing further comprises a front shell and a rear shell, the rear shell having a rear wall The top wall, the lower end, and the left and right ends of the rear wall respectively extend in a horizontal direction to form a top plate, a bottom plate and two side plates; the two sides of the rear case respectively form a slot, and the inner end of the slot further forms a slot Opening a hole; the limiting structure includes the outer sides of the two sides of the rear case being adjacent to the a first limiting block formed at the hole or a second limiting block formed at the lower end of the outer side of the two side plates; the elastic fastener has a cross arm, and the two ends of the cross arm respectively form the parallel arm, the two The parallel arms extend in opposite directions with respect to the other ends of the cross arms to form a pivoting arm pivotally spanning between the openings of the side plate of the rear case; the pivoting arm of the spring fastener The free end is further bent to form a fixing portion, and the fixing portion and the parallel arm have an angle to give the elastic member a reciprocating elasticity; the inner side of the rear wall is formed with two fixing blocks for the elastic The fixing portion of the fastener is held therebetween. In the interface connector of claim 1, the two sides of the inner side of the front case respectively extend to form a piece of the card member to be inserted between the slots of the rear case. The interface connector of claim 2, wherein the limiting structure on the housing further comprises a third limiting block formed on the opposite outer side of the two latch members on the front housing. The interface connector of claim 1, wherein the outer side surfaces of the two sides of the rear case are respectively formed with a cover on the inner side end of the slot, the cover corresponding to the first limiting block on the side plate and The opening. The interface connector of claim 1, wherein the rear case further has more than one block formed on an inner side of the outer end of the top plate, and the inner side of the outer side of the two side plates respectively form more than one block; the front case Having a rectangular front wall, the inner side of the rectangular front wall is formed with a rib frame on the inner side of each side, and the outer periphery of the rib frame is adapted to match the size of the space of the rear case surrounded by the top plate, the bottom plate and the two side plates, The top surface of the rib frame is formed with more than one card slot, and the lower ends of the two side surfaces of the rib frame respectively form a card slot, wherein the card slot of the top surface of the rib frame corresponds to the card block on the top plate of the rear case. The card slots at the lower ends of the two side faces of the rib frame correspond to the blocks on the side plates of the rear case. The interface connector of claim 2, wherein the slot width of the slot on the two sides of the rear shell decreases from the outside to the inside, and the width of the two clips of the front shell increases from the outside to the inside. The slots on the two side plates match. The interface connector of claim 1, the circuit board having an upper end and a lower end, the upper end surface and/or the back surface being formed with more than one contact group, the contact group comprising a plurality of contacts, the connection The wire has a plurality of core wires, one end of each of the core wires is electrically connected to each of the contacts of the upper end of the circuit board; the bottom plate of the rear case is formed with more than one wire hole for the connecting wire to pass through; the rear shell bottom plate More than one opening is formed therein for the electrical connection of the circuit board to extend out of the housing. The interface connector of any one of claims 1 to 7, wherein a central portion of the cross arm of the spring fastener is formed with a protruding buckle portion. The interface connector of claim 8, wherein the two fixed blocks on the inner side of the rear wall have a relatively L-shaped cross section. An interface connector includes: a casing that is hollow and has an accommodating space, the casing includes a front casing and a rear casing; the rear casing has a rear wall, and the rear wall has upper and lower ends and The left and right ends respectively extend in a horizontal direction to form a top plate, a bottom plate and two side plates; the two sides of the rear case respectively form a slot, the inner end of the slot further defines an opening; and a latching member, The elastic member has a cross arm, and the two ends of the cross arm respectively form parallel arms, and the two parallel arms respectively extend in opposite directions with respect to the other end of the cross arm to form a pivot arm. A pivoting member is pivotally connected to the housing; the pivoting arm pivots between the openings of the side panel of the rear housing; the free end of the pivoting arm of the elastic fastener is further bent to form a a fixing portion having an angle between the fixing portion and the parallel arm to impart reciprocating elasticity to the elastic member; and two fixing blocks formed on the inner side surface of the rear wall for holding the fixing portion of the elastic member Between the two parallel arms and corresponding to a limiting structure on the housing, the limiting structure The outer side of the side plates comprises a second rear case adjacent a first stopper or the stopper plate both at the lower end of the outer side surface formed at the opening formed separately.