JP2004311207A - Connector and latch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify a latch structure so that it is easily attached to, detached from, and surely fixed to a server side and to prevent adverse effect such as damage of a cable. <P>SOLUTION: This connector is composed of: a connector body 7 for inserting the cable 13 from one side and for exposing a board 3 connected to the cable 13 to the other side; an engagement projection 15 projected to one side surface of the connector body 7; guide grooves 35 formed on both sides of the one side of the connector body 7; a latch 21 comprising a latch body 19 equipped, on both sides, with slide members 33 obliquely sliding by being guided by the grooves 35, and a claw part 17 extended on the latch body 19 toward the projection 15; and an unlock mechanism 39 for unlocking the projection 15 from an engaged member by the operation of the claw part 17 by obliquely sliding the slide members 33 in the grooves 35. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is used between, for example, a server such as a computer, and is capable of transmitting and receiving an accurate signal in a peripheral device related to an increase in a communication speed related to a personal computer, mainly in a cable used as a communication transmission cable or the like. The present invention relates to a connector and a latch of a high-speed transmission cable.
[0002]
[Prior art]
Referring to FIGS. 6A and 6B, as the conventional connector 101, a connector plug (not shown) connected / unconnected to a terminal portion on the server side is provided in a connector main body 103. A cable (not shown) such as a transmission cable is connected to the connector plug, and the cable is pressed and fixed to the end face of the connector body 103.
[0003]
Further, an engagement plate 203 having a fitting groove 201 is provided on the server side, and an engaging projection 105 engaging with the fitting groove 201 is provided on the connector main body 103. Further, a latch 109 having a claw 107 for detaching the engagement plate 203 engaged with the engagement protrusion 105 is provided on the connector body 103 so as to be slidable in the front-rear direction. An inclined portion 111 is provided in a direction narrowing toward the distal end so as to be inserted between the engagement plate 203 and the connector main body 103.
[0004]
Therefore, when the connector 101 is disconnected from the server side, the latch 109 is pressed and moved in the direction of the arrow in FIG. Therefore, the engagement plate 203 is lifted by the inclined portion 111 of the claw 107, and the fitting groove 201 is removed from the engagement protrusion 105 (see, for example, Patent Document 1). ).
[0005]
Referring to FIGS. 7 to 9, as another conventional connector 113, a PCB board 117 having a terminal 115 connected / unconnected to a terminal on the server side is provided inside the distal end side of the connector main body 119. A cable 121 such as a communication transmission cable is connected to the PCB board 117. Further, an engagement protrusion 123 that engages with the fitting groove 201 provided on the engagement plate 203 on the server side is provided on the connector main body 119. Further, a latch 127 provided with a claw 125 for releasing the engagement plate 203 engaged with the engagement protrusion 123 can be rotated on the connector main body 119 via the hinge pin 129 in the direction of the arrow in FIGS. Installed.
[0006]
Therefore, when the connector 113 is normally connected to the server side, if the connector 113 is inserted into the mounting hole on the server side with the latch 127 positioned as shown by the solid line in FIGS. 9 is engaged with the fitting groove 201 of the server-side engaging plate 203 shown by a solid line in FIG. On the other hand, when the connector 113 is unconnected, the latch 127 is rotated in the direction of the arrow in FIG. 9 via the hinge pin 129, so that the engagement plate 203 is pushed up by the claw 125 by the action of the bending moment of the latch 127. Then, the connector 117 is removed from the engagement protrusion 123, and the connector 117 is pulled out.
[0007]
As described above, generally, the conventional connectors 101 and 113 are provided with the engagement protrusions 123 which engage with the engagement plates 203 on the server side, and are engaged by dozens of types of latch structures. The attachment and detachment of the engagement plate 203 is performed.
[0008]
[Patent Document 1]
US Patent Application Publication No. 2002/0142649 ([0018] to [0020], FIGS. 1 and 2)
[0009]
[Problems to be solved by the invention]
By the way, in the former connector 101 of the former, there is no functional problem when the connector 101 is attached to and detached from the server side, but the structure of the members constituting the connector 101 is complicated, so that a large number of parts is required. Therefore, there is a problem that it becomes expensive.
[0010]
Also, when the connector 101 is detached, the latch 109 is pressed and moved so that no force is applied to the fixed portion of the cable so as not to deteriorate the electrical characteristics of the cable, and the work is performed carefully. There is a problem that it is difficult to work with the latch structure of the type described above.
[0011]
In the latter connector 113, when the connector 113 is detached, a load of a bending moment is applied to the entire connector 113, and the connector 113 is held by the terminal portion 115 on the distal end side where the board 117 is inserted. Therefore, there has been a problem that the terminal part 115 of the substrate 117 may be worn due to the bending force and the electrical characteristics may be deteriorated, or the substrate 117 may be broken. In addition, the above bending force also affects the root where the cable 121 is clamped by the connector 113, and the cable 121 has a problem in that the external characteristics of the cable 121 adversely affect the electrical characteristics.
[0012]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to improve, for example, easy attachment and detachment to a server side so that the latch can be securely fixed. It is an object of the present invention to provide a connector and a latch that do not cause any adverse effects such as damage.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, a connector according to the present invention according to claim 1 has a connector body for inserting a cable from one side and exposing a board connected to the cable to the other side, and protruding from one side of the connector body. Latch body provided on both sides of the engaging protrusion, guide grooves provided on one side of the connector body, and a slide member guided by the guide groove and sliding obliquely on both sides. A latch comprising a claw portion extending to the mating protrusion side; and an unlocking mechanism in which the engaging protrusion is disengaged from the engaged member by the operation of the claw portion by the slide member sliding obliquely in the guide groove. And a lock mechanism.
[0014]
Therefore, since the connector is attached and detached by sliding the latch diagonally, the attachment and detachment of the connector is performed naturally in the attaching / detaching direction of the connector, so that the attachment / detachment can be easily and reliably attached and locked. Further, since no bending force is applied to the connector, the operation can be easily performed without giving any adverse effect such as damage or damage to the cable connected to the connector. In addition, since the latch slides obliquely by the slide member and the guide groove of the connector body, the slide structure can be simplified and the processing cost is low.
[0015]
According to a second aspect of the present invention, in the connector according to the first aspect, the unlocking mechanism has a groove-side inclined portion formed in the guide groove, and the connector has a same inclination as the groove-side inclined portion. It is characterized by comprising a main body side inclined portion provided on the main body, and a latch side inclined portion provided on the claw portion engaged with the main body side inclined portion.
[0016]
Accordingly, the claw portion is slid in the oblique direction by which the engaged member is easily removed from the engagement protrusion by the latch-side inclined portion and the main-body-side inclined portion, and the slide member has the same inclination as the main-body-side inclined portion. Therefore, the latch can be reliably slid without rotating with respect to the connector body.
[0017]
According to a third aspect of the present invention, in the connector according to the first or second aspect, the slide member has a non-circular shape.
[0018]
Therefore, since the slide member has a non-circular shape, the latch main body is less likely to rotate in the guide groove of the connector main body and slides reliably.
[0019]
According to a fourth aspect of the present invention, in the connector according to the third aspect, the non-circular member has an elliptical shape elongated in a sliding direction.
[0020]
Therefore, since the slide member has an elliptical shape that is long in the sliding direction by the guide groove, the latch body is more difficult to rotate in the guide groove, and slides reliably.
[0021]
According to a fifth aspect of the present invention, there is provided a latch body having a slide member which slides obliquely on both sides, a claw portion extending from the latch body, a latch-side inclined portion formed on the claw portion, It is characterized by comprising.
[0022]
Therefore, the latch body can be slid by the slide member that slides obliquely, and the claw portion is slid in the oblique direction by the latch-side inclined portion without turning during the slide.
[0023]
According to a sixth aspect of the present invention, there is provided the latch according to the fifth aspect, wherein the slide member has a non-circular shape.
[0024]
Therefore, since the slide member has a non-circular shape, the latch body is difficult to rotate and slides reliably.
[0025]
According to a seventh aspect of the present invention, in the latch according to the sixth aspect, the non-circular member has an elliptical shape elongated in a sliding direction.
[0026]
Therefore, since the slide member has an elliptical shape that is long in the slide direction, the latch body is more difficult to rotate in the slide direction, and slides reliably.
[0027]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0028]
Referring to FIG. 1 to FIG. 3, the connector 1 according to the present embodiment is mounted on a connector mounting hole 51 on the server side as shown in FIG. The connector 1 is provided with a PCB substrate 5 having a terminal portion 3 that is connected / unconnected to the server-side terminal portion 55 inside the connector main body 7.
[0029]
The connector body 7 has a U-shaped cross section in the width direction (vertical direction in FIG. 2) and a long shape in the front-rear direction (horizontal direction in FIGS. 1 and 2) in this embodiment. The latch-side main body 9 and the cover-side main body 17 are tied together so as to form the connector main body 7 and are fixed with bolts BT. The terminal portion 3 is provided on the front end side of the PCB board 5 and is located on the front end side of the connector body 7, and a cable 13 such as a communication transmission cable is connected to the rear end side of the PCB board 5. The above-mentioned PCB board 5 and the cable 13 are mounted so as to be sandwiched between the latch-side main body 9 and the cover-side main body 11, and in particular, the cable 13 is sandwiched and fixed to the rear end of the connector main body 7. . Note that the terminal portion 3 on the distal end side of the PCB substrate 5 is located on the surface facing the U-shaped inner surface of the cover-side main body portion 11 as shown in FIG.
[0030]
As shown in FIG. 4, for example, an engagement plate 59 as a member to be engaged having a fitting groove portion 57 at the tip end thereof is provided inside the connector mounting hole 51 on the server side on the entrance side of the connector mounting hole 51. , And the distal end side of the engagement plate 59 has a spring property.
[0031]
1 and 3 of the connector main body 7, that is, on the outer surface of the latch-side main body 9, an engaging projection 15 that engages with the fitting groove 57 of the above-described engaging plate 59 is provided to protrude. I have. A latch 17 for removing the engagement plate 59 engaged with the engagement protrusion 15, a latch body 19 provided to extend the claw 17 toward the engagement protrusion 15, 1 is slidably attached to the connector body 7 obliquely rearward in the direction of the arrow in FIG.
[0032]
More specifically, as shown in FIG. 2, the claw portion 17 has a planar shape and has a bifurcated shape that is located on both sides of the engagement protrusion portion 15 with the engagement protrusion portion 15 interposed therebetween. Is provided with a handle portion 23. In addition, the latch body 19 has support plate portions 19A which are opposed to both sides in the width direction (vertical direction in FIG. 2) of the latch body 9 on both sides in the vertical direction in FIG. ing. A hole 25 is formed in the handle 23 so that a finger can be hung thereon as shown in FIG.
[0033]
Further, the connector main body 7 is configured such that the entire front end side of the above-described claw portion 17 is fitted to the lower outer surface of the latch-side main body portion 9 in FIG. 1 so that the outer surface of the claw portion 17 and the outer surface of the latch-side main body portion 9 Is provided with a groove depth having a groove depth such that is substantially in a plane position. The engaging projection 15 is provided substantially at the center of the groove 27 in the width direction (vertical direction in FIG. 2).
[0034]
4 and 5, the groove 27 has an inclined surface that allows the claw 17 to move the engagement plate 57 in the direction to disengage the engagement projection 15 when the latch body 19 slides. On the other hand, the claw portion 17 is provided with a latch-side inclined portion 31 having the same inclined surface that comes into contact with the body-side inclined portion 29 on the contact surface side with the groove portion 27. ing.
[0035]
Further, as shown in FIG. 4, for example, a slide pin 33 as a slide member protrudes inward from the support plate portions 19A on both sides in the width direction of the latch body 19. On the other hand, on both side surfaces on the rear end side of the latch-side main body 9 of the connector main body 7, guide grooves 35 for guiding the slide pins 33 to slide are provided as shown in FIG. In FIG. 4, the groove shape of the guide groove 35 is illustrated by a broken line, and is not a hole penetrating inside the latch-side main body 9, but a groove provided on both outer surfaces of the latch-side main body 9. It has a shape. In addition, in this embodiment, the guide groove 35 is provided with a groove-side inclined portion 37 that is inclined in the same manner as the above-described main-body-side inclined portion 39.
[0036]
As described above, the latch 21 of the connector 1 is provided with the unlock mechanism 39 for releasing the engagement plate 59 engaged with the engagement projection 15. As the unlock mechanism 39, the latch 19 is used. When sliding rearward via the slide pin 33 guided by the guide groove 35, the engagement plate 59 engaged with the engagement protrusion 15 is operated to be disengaged. The latch-side inclined portion 31, the slide pin 33, and the guide groove 35 are constituent members.
[0037]
With the above configuration, as the latch 21 of the connector 1 of this embodiment, when the connector 1 is disconnected from the server side, a finger is put on the hole 25 of the handle 23 so that the latch 21 moves rightward in FIG. 5, the latch 21 is slid on the inclined surface of the body-side inclined portion 29, and the slide pin 33 is guided by the groove-side inclined portion 37 of the guide groove 35. As shown by the arrow A in FIG. Therefore, the claw 17 of the latch 21 moves in a direction away from the groove 27 of the latch-side main body 9 of the connector body 7, and the claw 17 of the latch 21 lifts the engagement plate 59 and the fitting groove 57 is engaged. It will be removed from the projection 15.
[0038]
Next, when the latch 21 is slid rearward on the right side as shown by the arrow B in FIG. 5, the slide body 33 comes into contact with the rear end of the guide groove 35, so that the connector main body 7 is pulled and the PCB board 5 is pulled. Is disconnected from the server-side terminal portion 55, and the connector 1 is pulled out of the connector mounting hole 51.
[0039]
On the other hand, when the connector 1 is connected to the server side, when the latch 21 is pushed forward on the left side in FIG. 5 with respect to the connector main body 7, the latch-side inclined portion 31 is moved to the main body as shown in FIG. The claw 17 of the latch 21 is fitted into the groove 27 of the latch-side main body 9 so as to overlap with the inclined surface of the side slope 29, and the outer surface of the latch-side main body 9 and the outer surface of the claw 17 of the latch 21 are aligned. The positions are almost the same. In this state, when the connector 1 is inserted into the connector mounting hole 51 as shown in FIG. 3, the connector body 7 is guided by the connector mounting hole 51, and the terminal portion 3 of the PCB substrate 5 is connected to the terminal portion on the server side. At the same time, the engagement projection 15 of the connector main body 7 is engaged with the engagement groove 57 of the engagement plate 59 and locked.
[0040]
As described above, since the latch 21 slides substantially in the front-rear direction with respect to the connector main body 7 to perform the attachment / detachment operation of the connector 1, the latch 21 can be attached / removed / inserted to / from the PCB board 5. It is done naturally, is easy to put on and take off and is securely attached and locked. Further, since no bending force is applied to the connector 1, the work can be easily performed without any adverse effects such as damage or damage to the terminal portion 3 of the PCB board 5 and the cable 13.
[0041]
The slide pin 33 is formed in a non-circular shape so that, for example, if the slide pin 33 has an elliptical shape that is long in the sliding direction along the groove-side inclined portion 37 of the guide groove 35, the latch 21 is moved relative to the connector body 7. It becomes harder to rotate and slides reliably. Moreover, since the latch 21 slides in accordance with the slide pin 33 and the guide groove 35 of the connector body 7, the slide structure can be simplified and the processing cost can be reduced.
[0042]
The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes.
[0043]
In the above-described embodiment, the connector 1 has been described. However, by providing a latch structure having the latch of the present invention on another connecting member, for example, a latch structure of a fitting portion between a terminal and a substrate, a high-speed transmission cable, and the like The present invention can be applied to various latch structures such as a latch structure of a fitting portion, a fiber channel latch structure, and an SFP (Small Form factor pluggable) latch structure at a location that affects the electrical characteristics of the latch.
[0044]
【The invention's effect】
As can be understood from the above description of the embodiment of the invention, according to the invention of claim 1, the latch is slid to perform the operation of attaching and detaching the connector. This can be done naturally, and it can be easily attached and detached and securely attached and locked. In addition, since no bending force is applied to the connector, the operation can be easily performed without adversely affecting the cable connected to the connector, such as damage or damage. In addition, since the latch can be slid obliquely by the slide member and the guide groove of the connector body, the slide structure can be simplified and the processing cost can be reduced.
[0045]
According to the second aspect of the present invention, the pawl portion can be easily slid in the oblique direction by which the engaged member is removed from the engaging projection by the latch side inclined portion and the main body inclined portion, and the sliding member is the same as the main body inclined portion. Since the sliding can be performed according to the inclined groove side inclined portion, the latch can be surely slid without turning around the connector body.
[0046]
According to the third aspect of the present invention, since the slide member has a non-circular shape, the latch main body is hardly rotated in the guide groove of the connector main body and can be slid reliably.
[0047]
According to the fourth aspect of the present invention, by making the slide member have an elliptical shape that is long in the slide direction, the latch body can be further hardly rotated by the guide groove and can be slid reliably.
[0048]
According to the fifth aspect of the invention, the latch body can be made slidable by the slide member, and the claw portion can be slid in the oblique direction by the latch-side inclined portion without turning during the slide.
[0049]
According to the sixth aspect of the present invention, since the slide member has a non-circular shape, the latch body can be hardly rotated and can be slid reliably.
[0050]
According to the seventh aspect of the present invention, by making the slide member have an elliptical shape that is long in the slide direction, the latch body can be further hardly rotated and can be slid reliably.
[Brief description of the drawings]
FIG. 1 is a side view of a connector according to an embodiment of the present invention.
FIG. 2 is a bottom view of the connector of FIG. 1 as viewed from below.
FIG. 3 is an explanatory diagram of a state when the connector of FIG. 1 is connected to a connector mounting hole.
4 is a cross-sectional view taken along line IV-IV of FIG. 2 and is an enlarged cross-sectional view of the latch structure when the connector is connected.
5 is an enlarged cross-sectional view of the latch structure illustrating a state when the connector is disconnected from the state of FIG. 4;
6A is a partial perspective view showing a conventional connector latch structure, and FIG. 6B is a perspective view showing a latch.
FIG. 7 is a side view of another conventional connector.
8 is a bottom view of the connector of FIG. 7 as viewed from below.
FIG. 9 is an enlarged view showing a latch structure of the connector of FIG. 7;
[Explanation of symbols]
1 Connector 3 Terminal part (of connector 1)
5 PCB board (for connector 1)
7 Connector Body 13 Cable 15 Engagement Projection 17 Claw 19 Latch Body 19A Support Plate 21 Latch 27 Groove 29 Body Side Inclined Part 31 Latch Side Inclined Part 33 Slide Pin (Slide Member)
35 guide groove 37 groove side inclined part 39 unlock mechanism 51 connector mounting hole 53 substrate 55 terminal part 57 fitting groove 59 engaging plate

Claims (7)

A connector body into which a cable is inserted from one side and a board connected to the cable is exposed to the other side, an engagement protrusion protruding from one side of the connector body, and provided on both sides of one side of the connector body A latch including a guided body, a latch body provided on both sides with a slide member that is guided by the guide groove and slides obliquely, and a claw extending from the latch body toward the engagement protrusion. An unlocking mechanism for disengaging the engaging protrusion from the engaged member by actuation of the claw by sliding the slide member obliquely in the guide groove. The unlocking mechanism includes a groove-side slope formed in the guide groove, a body-side slope provided in the connector body having the same slope as the groove-side slope, and a body-side slope. The connector according to claim 1, further comprising a latch-side inclined portion provided on the claw portion to be combined. The connector according to claim 1, wherein the slide member has a non-circular shape. The connector according to claim 3, wherein the non-circular member has an elliptical shape that is long in a sliding direction. It is characterized by comprising a latch body having a slide member that slides obliquely on both sides, a claw extending from the latch body, and a latch-side inclined portion formed on the claw. latch. The latch according to claim 5, wherein the slide member has a non-circular shape. 7. The latch according to claim 6, wherein the non-circular member has an elliptical shape elongated in a sliding direction.

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