TW201442360A - Connector - Google Patents

Abstract

A connector is configured for latching engagement with a receptacle cage having an inwardly extending latching tab. The connector includes a housing including two opposite sidewalls and a releasing mechanism assembled to the housing. The releasing mechanism has a pair of actuator arms movably attached to the sidewalls, respectively. Each of the sidewalls defines an elongated recess to receive the actuator arm. The recess defines a limiting recess having an inclined plane extending to the housing. When the releasing mechanism moves from the latching position to the releasing position, the incline plane guides the actuator arms close to each other for latching engagement with the latching tab.

Description

Connector

The present invention relates to a connector, and more particularly to an unlocking mechanism for a connector.

Small Form-factor Pluggable, 10G Ethernet interface small pluggable connector (X-SFP) and four-channel small pluggable connector (QSFP) for fiber transmission or Connector for electrical signal transmission. An important feature of these connectors is their small size. The smaller the connector, the smaller the space it occupies in conjunction with the device panel. Smaller connectors allow a larger number of connectors to be connected to the same device panel to support additional information channels. However, it is difficult for a user to operate a small form factor pluggable connector. If the connector fails, multiple insertions and removals can easily cause the latching tabs on the docking connector housing to fail.

U.S. Patent No. 2,020,282, issued to U.S. Pat. An unlocking mechanism, the body having two opposite side walls, the unlocking mechanism comprising a driving arm slidable back and forth between the initial position and the unlocking position along the two side walls of the body, the driving arm comprising an outward convex at the free end thereof The ejector portion of the ejector portion is provided with a sliding groove for receiving the driving arm, and a sliding portion is partially protruded from the driving arm, and a limiting slot for receiving the guiding portion is disposed in the sliding slot. In actual use, the connector is used. After repeated insertion and removal, the latching elastic pieces on the mating connector housing are prone to wear or lack of elasticity, thereby affecting the service life of the product.

In view of the above problems, it is necessary to improve the prior art to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide a connector having an effect of preventing damage to the latching tab on the mating connector housing.

In order to solve the above technical problem, the present invention provides a connector that can be mated with a mating connector housing provided with a latching elastic piece, the connector comprising a body and an unlocking mechanism mounted on the body, the body having a relative Providing two side walls, the unlocking mechanism is provided with a pair of driving arms respectively sliding back and forth along the respective side walls, the side walls are recessed with a sliding groove for receiving the driving arm, and the sliding groove is concavely disposed at a front end thereof a limiting slot, wherein the limiting slot is provided with a guiding inclined surface extending obliquely toward the body. When the unlocking mechanism is horizontally moved from the initial position to the unlocking position, the guiding inclined surface guides the driving arm to approach the approaching direction Release the lock connection with the lock tab.

Compared with the prior art, the connector disclosed in the present invention is provided with a guiding inclined surface in the limiting slot. When the unlocking mechanism moves backward, the driving arm approaches in the approaching direction along the guiding oblique surface, so that the locking elastic piece and the connector are obtained. The separation reaches the unlocking, and the setting of the locking spring is directly separated from the connector by the sinking of the driving arm, thereby prolonging the service life of the docking connector, and is suitable for large-scale production use in the industry.

The specific implementation structure is as follows:

The limiting slot includes a resisting wall, and the resisting wall extends obliquely in the limiting slot at the rear end thereof to form the guiding inclined surface.

The unlocking mechanism also includes an ejector portion that extends forward from the drive arm.

The ejector portion includes a connecting portion and a bent portion extending from the end of the connecting portion to the outside of the body. The bent portion is provided with an abutting surface, and the resisting surface resists the locking elastic piece to achieve the locking engagement.

The driving arm is provided with a guiding portion received in the limiting slot. When the unlocking mechanism is horizontally moved from the initial position to the unlocking position, the guiding portion moves along the guiding inclined surface to form the driving arm to approach the approaching direction. .

The unlocking mechanism is further provided with a horizontal portion that connects a pair of driving arms, and the guiding portions are disposed on opposite sides of the horizontal portion.

The sliding groove and the side wall form at least a step perpendicular to the sliding direction, and the locking elastic piece is laterally staggered from the step. When the unlocking mechanism is horizontally moved from the initial position to the unlocking position, the locking elastic piece can be prevented from being unlocked. The organization moves backwards together.

The sliding slot is provided with a notch, and the width of the notch is greater than the width of the ejector portion.

The drive arm is an integral stamping structure.

The body is composed of an upper casing and a lower casing. After the upper and lower casings are assembled, the driving arm is restrained by the sliding groove on the body.

1. . . Ontology

10. . . Side wall

100. . . Connector

11. . . front end

12. . . rear end

13. . . Circuit board

14. . . Jack

15. . . Upper housing

16. . . Lower housing

17. . . Sliding slot

170. . . gap

171. . . Limit slot

1710. . . Guided slope

1711. . . Resist the wall

172. . . First side

173. . . Second side

174. . . Third side

18. . . Step

2. . . Unlocking mechanism

twenty one. . . Drive arm

211. . . Main arm

212. . . Auxiliary arm

213. . . Connecting arm

twenty two. . . Horizontal department

twenty three. . . Guide slide

twenty four. . . Ejection

241. . . Connection

242. . . Bending section

2421. . . Resistance surface

The first figure corresponds to a perspective view of the connector of the present invention;

The second figure is a partially exploded view of the connector shown in the first figure;

The third figure is an exploded view of the connector shown in the first figure;

The fourth figure is an exploded view of another angle of the connector shown in the third figure;

The fifth figure is a plan view of the lower case of the connector shown in the first figure.

Please refer to the first to fifth figures together for a connector 100 in accordance with the present invention. In the embodiment, the connector 100 is an electrical connector. Of course, the invention can also be used in optoelectronic connectors and transceivers. The connector can be snap-fitted with a mating connector housing (not shown) provided with a latching tab (not shown), the connector 100 including a body 1 and an unlocking mechanism 2 mounted on the body 1. The body 1 has a front end 11 that mates with a mating connector and a rear end 12 that is opposite the front end 11. The front end 11 is provided with a circuit board 13 that can be electrically connected to a mating connector (not shown), and the rear end 12 is provided with an insertion hole 14 connectable to a cable (not shown) or a fiber optic cable (not shown).

The body 1 is made of a metallic material and includes an upper housing 15 and a lower housing 16 mated therewith. The body 1 has two side walls 10 disposed opposite to each other, and the unlocking mechanism 2 includes a driving arm 21 slidable back and forth between the initial position and the unlocking position along the two side walls 10 of the body 1, a horizontal portion 22 connecting the pair of driving arms 21, and An operation unit (not shown) that connects the horizontal portion 22 is connected. The horizontal portion 22 and the driving arm 21 are integrally formed in a stamping structure, and the operating portion (not shown) and the horizontal portion 22 are integrally formed to facilitate the driving force for applying the driving arm 21 to move rearward. The side wall 10 is recessed with a sliding groove 17 for receiving the driving arm 21 . After the upper casing 15 and the lower casing 16 are assembled as one body, the driving arm 21 is restrained by the sliding groove 17 on the body 1. The shape of the driving arm 21 corresponds to the sliding groove 17 to move forward and backward along the sliding groove 17. . The sliding groove 17 and the side wall 10 form at least a step 18 perpendicular to the sliding direction and a notch 170. After the connector is fully engaged with the mating connector (not shown), the locking elastic piece (not shown) and the step 18 are The horizontal staggered setting. The upper and lower housings 15, 16 have opposite mating faces (not labeled). When the assembly is completed, the two mating surfaces coincide with each other. The upper casing 15 and the lower casing 16 are integrally fixed by a fixing member (not shown), and the fixing member can fix the upper casing 15 and the lower casing 16 by riveting, welding or screwing.

In the present embodiment, the drive arm 21 has a guide portion 23 protruding from the front end thereof, and the guide portion 23 is provided on the opposite side of the horizontal portion 22. The sliding slot 17 is provided with a limiting slot 171 for receiving the guiding portion 23. The limiting slot 171 defines a guiding slope 1710 extending obliquely into the body 1. The guiding portion 23 is received in the limiting slot 171 and Guide the downward movement of the ramp 1710. The limiting slot 171 includes a resisting wall 1711. The resisting wall 1711 extends obliquely toward the limiting slot 171 at the rear end thereof to form the guiding inclined surface 1710. When the unlocking mechanism 2 is horizontally moved from the initial position to the unlocked position, the guiding slope 1710 is used to guide the driving arm 21 toward the approaching direction to release the locking connection with the locking tab. The unlocking mechanism 2 further includes an ejector portion 24 extending forward from the driving arm 21, and the width of the notch 170 is greater than the width of the ejector portion 24. The ejector portion 24 includes a connecting portion 241 and a bent portion 242 extending from the end of the connecting portion 241 toward the outer side of the body 1. The bent portion 242 is provided with an abutting surface 2421, and the resisting surface 2421 resists the locking elastic piece Thereby achieving a snap fit. When the mating connector is inserted, the latching elastic piece (not shown) of the mating connector abuts against the abutting surface 2421 of the ejector portion 24, and when the operating portion (not shown) is pulled, the ejector portion 24 sinks. Approaching the side wall 10 of the body 1 causes the latching tab to disengage from the ejector portion 24 of the unlocking mechanism 2, i.e., the docking connector is disengaged from the connector for unlocking.

The sliding groove 17 further includes a first side 172 near the rear end of the body 1, a second side 173 near the front end of the body 1, and a third side 174 extending forwardly and inwardly from the first side 172 to connect the second side 173. The driving arm 21 includes a main arm 211 on the first side 172, a sub-arm 212 on the second side 173, and a connecting arm 213 connecting the main arm 211 and the sub-arm 212. The connecting arm 213 is located on the third side 173. . The ejector portion 24 extends partially forward and outward from the front end of the jib 212. The bent portion 242 of the ejector portion 24 protrudes from the side wall 10 in a direction perpendicular to the side wall 10. In this embodiment, the driving arm 21 is provided with a guiding portion 23, and it is easily conceivable that the driving arm 21 is provided with two guiding portions 23 or more guiding portions 23, and the guiding portions 23 are provided. Symmetric or asymmetrical settings can achieve the same technical effect.

The above are only one embodiment of the present invention, and are not all or the only embodiments. Any equivalent changes taken by those skilled in the art by reading the specification of the present invention are the claims of the present invention. Covered.

100. . . Connector

17. . . Sliding slot

170. . . gap

1711. . . Resist the wall

172. . . First side

173. . . Second side

174. . . Third side

2. . . Unlocking mechanism

twenty one. . . Drive arm

211. . . Main arm

212. . . Auxiliary arm

213. . . Connecting arm

twenty four. . . Ejection

Claims (10)

A connector is slidably engaged with a mating connector housing provided with a locking tab, the connector comprising:
a body having two opposite side walls; and an unlocking mechanism, the unlocking mechanism is mounted on the body, the unlocking mechanism is provided with a pair of driving arms respectively sliding back and forth along the respective side walls, the side walls are concavely disposed a sliding groove for accommodating the driving arm, wherein the sliding groove is recessed at a front end thereof with a large depth limiting groove, and the limiting groove is provided with a guiding inclined surface extending obliquely toward the body;
Wherein the guiding ramp guides the driving arm toward the approaching direction to release the latching connection with the latching spring when the unlocking mechanism is horizontally moved from the initial position to the unlocked position. The connector of claim 1, wherein the limiting slot comprises a resisting wall, and the resisting wall extends obliquely in the limiting slot at the rear end thereof to form the guiding inclined surface. The connector of claim 1, wherein the unlocking mechanism further comprises an ejector portion extending forward from the driving arm. The connector of claim 2, wherein the ejector portion includes a connecting portion and a bent portion extending from the end of the connecting portion toward the outer side of the body, the bent portion is provided with an abutting surface, The resisting surface resists the above-mentioned latching elastic piece to achieve the above-mentioned latching engagement. The connector of claim 4, wherein the driving arm is provided with a guiding portion received in the limiting slot, and the guiding mechanism is in the process of horizontally moving the unlocking mechanism from the initial position to the unlocking position. The movement of the portion along the guiding ramp forms the driving arms approaching in the approaching direction. The connector of claim 5, wherein the unlocking mechanism is further provided with a horizontal portion connecting a pair of driving arms, the guiding portions being disposed on opposite sides of the horizontal portion. The connector of claim 1, wherein the sliding groove and the side wall form at least a step perpendicular to the sliding direction, and the locking elastic piece is laterally offset from the step, and the unlocking mechanism is horizontally moved from the initial position to During the unlocking position, the locking tab can be prevented from moving backward together with the unlocking mechanism. The connector of claim 1, wherein the sliding groove is provided with a notch having a width greater than a width of the ejector portion. The connector of claim 1, wherein the drive arm is an integral stamping structure. The connector of claim 1, wherein the body is composed of an upper casing and a lower casing, and the driving arm is restrained by the sliding groove on the body after the upper and lower casings are assembled.