JP3156079U - Plug connector and connector assembly - Google Patents

Abstract

A plug connector and a connector assembly capable of increasing the mechanical strength of a locking device are provided. A locking device includes a base portion, and a bent fitting plate is extended on both sides of the base portion, and a bent elastic arm is extended on one end edge of two fitting plates. The arm includes a basic arm portion, a connecting portion, and an elastic arm portion. The fitting support arm is extended on the connecting arm, and a fitting hook extending inward is formed at the end of the fitting support arm. . The base part and the fitting plate cover and fix the outer shell. The plug connector lock device is provided with an elastic arm.In the operation process, the elastic arm causes the elastic arm portion to cushion, preventing mechanical fatigue caused by excessive bending of the elastic arm, and improving the mechanical strength of the lock device It becomes possible to raise effectively. [Selection] Figure 2

Description

  The present invention relates to a type of connector, and more particularly to a plug connector and a connector assembly.

  A plug connector having a known locking device includes an insulating main body, conductive terminals housed in a plurality of insulating main bodies, and a locking device installed on the insulating main body, and the locking device is mounted on the insulating main body by a method such as tightening with a screw. Secure to. When the plug connector is brought into close contact with a corresponding outlet connector, the plug connector and the outlet connector are locked together by the locking device.

  However, the locking device of the plug connector easily causes mechanical fatigue by design, it is difficult to increase the mechanical strength of the locking device, and the fitting elasticity is also inferior.

  A first object of the present invention is to provide a plug connector that can increase the mechanical strength of a locking device in view of the shortcomings of known techniques.

  A second object of the present invention is to provide a connector assembly capable of increasing the mechanical strength of the locking device in view of the shortcomings of the known technology.

  In order to achieve the first object, a plug connector provided by the present invention includes an insulating main body, a plurality of conductive terminals housed in the insulating main body, a covering outer shell fitted on the insulating main body, and an outer covering outer shell. And a locking device fitted into The locking device includes a base part, extends a fitting plate that is bent on both sides of the base part, extends a connecting arm that is bent at one end edge of the two fitting plates, and extends in one direction at the end of the connecting arm. The elastic arm has a basic arm part, a connecting part that bends and extends from the end of the basic arm part, and an elastic arm part that bends and extends from the end of the connecting part, and fits on the connecting arm. The support arm is extended, and a fitting hook extending inward is formed at the end of the fitting support arm. The elastic arm portion elastically presses the fitting plate surface in a movable state. The base part and the fitting plate cover and fix the outer shell.

  In order to achieve the second object, a connector assembly provided by the present invention includes a plug connector and an outlet connector. The plug connector includes an insulating body, a conductive terminal housed in the insulating body, a covering outer shell fitted on the insulating body, and a lock device. The locking device is equipped with a base part, and each side of the base part is extended with a bent fitting plate, one end edge of each of the two fitting plates is extended with a bent connecting arm, and the end of the connecting arm is elastic in one direction. The arm is extended, and the elastic arm includes a basic arm portion, a connecting portion that bends and extends from the end of the basic arm portion, and an elastic arm portion that bends and extends from the end of the connecting portion, and a fitting support arm on the connecting arm And a fitting hook that extends inward is formed at the end of the fitting support arm. The elastic arm portion elastically presses the fitting plate surface in a movable state. The base part and the fitting plate cover and fix the outer shell. The connector assembly includes an electric circuit board and a shell body fixed on the electric circuit board. A plurality of edge connectors are installed on the electric circuit board, the shell includes both side walls, and one end of each of the side walls extends a fixed support portion that is bent outward. The conductive terminal of the plug connector and the edge connector of the connector assembly are connected to each other by pressing, and the fitting hook of the plug connector is fitted and supported on the fixed support portion of the outlet connector.

  As described above, the plug connector and the connector assembly locking device of the present invention are provided with the elastic arm, and in the operation process, the elastic arm portion of the elastic arm is buffered, and thus is caused by excessive bending of the elastic arm. It is possible to prevent mechanical fatigue and effectively increase the mechanical strength of the locking device, thereby improving the elasticity of the fitting.

It is a three-dimensional view regarding the Example of the plug connector of this invention. It is an exploded view of the plug connector shown in FIG. FIG. 3 is a three-dimensional view relating to a locking device for the plug connector shown in FIG. 2. It is a three-dimensional view of the outlet connector connected with a corresponding plug connector. FIG. 3 is a three-dimensional view after inserting and connecting the plug connector shown in FIG. 1 and a corresponding outlet connector.

  In order to understand the technical contents of the present invention, the characteristics of the structure, the object to be achieved and the effects thereof, a detailed description will be given in combination with the embodiments and drawings.

  As shown in FIGS. 1 and 2, the plug connector 1 of the present invention includes an insulating body 10, a conductive terminal 20, a covering outer shell 30, a locking device 40, and a printed circuit board 50.

  As shown in FIG. 2, the insulating body 10 includes a substantially rectangular basic body 11, and one end of the basic body 11 is recessed inward to form an insertion connection groove 12 that penetrates the left and right sides of the basic body 11. A plurality of terminal grooves 13 corresponding to each other are formed on the inner wall 12, and the terminal grooves 13 extend to the other end of the basic body 11.

  As shown in FIG. 2, the conductive terminal 20 includes a long bar-shaped basic arm 21, a contact arm 22 that bends and extends from one side edge of the basic arm 21, and solder that extends and bends from the other side edge of the basic arm 21. Arm 23. The conductive terminals 20 are respectively housed in the terminal grooves 13, the contact arms 22 of which are inserted into the insertion connection grooves 12, and the solder arms 23 are soldered onto the printed circuit board 50.

  Subsequently, as shown in FIG. 2, the covering outer shell 30 includes an upper shell 31 and a lower shell 32. The upper shell 31 includes a rectangular plate-shaped substrate 311, and both side edges of the substrate 311 form side plates 312 that bend and extend downward, and a side plate 312 has a connecting plate 313 that bends and extends at each end portion. The connecting plates 313 are connected to each other by fitting and supporting each other. On the two side plates 312, there are provided fitting support portions 314 extending outward and recessed fitting support grooves 315. The lower shell 32 includes two side plate portions 321, and the side plate portions 321 are each formed with a protruding portion 322 protruding outward. The upper shell 31 and the lower shell 32 of the covering outer shell 30 are fitted together to wrap and cover the insulating body 10. The side plate portion 321 of the lower shell 32 is fitted and supported inside the side plate 312 of the upper shell 31, and the protruding portion 322 is fitted and supported in the fitting support groove 315.

  As shown in FIGS. 2 and 3, the locking device 40 is made of a metal material and includes a rectangular plate-like base portion 41. Fitting plates 42 that are bent and extended downward are formed on both side edges of the base portion 41, and two hooking plates 43 that are bent and extended inward are formed on the lower edges of the two fitting plates 42, respectively. A fitting groove 44 is provided in each of the middle positions of the two fitting plates 42, and connecting arms 45 that are bent and extended outward are formed at one end edges of the two fitting plates 42, respectively. The elastic arm 46 includes an elastic arm 46 extending to one side, and the elastic arm 46 is bent from the end of the basic arm portion 461, the elongated basic arm portion 461, the two grip portions 462 that bend and extend from both the upper and lower sides of the basic arm portion 461, and the like. A connecting portion 463 that extends, and an elastic arm portion 464 that is bent and extended from the end of the connecting portion 463 are provided. A fitting support arm 47 that bends and extends in the other direction is formed at the edge on the connecting arm 45, and a fitting hook 48 that extends inward is formed at the end of the fitting support arm 47. The base portion 41 and the fitting plate 42 of the locking device 40 wrap around and fix the covering outer shell 30, and the base portion 41 is soldered onto the substrate 311 of the covering outer shell 30 by an ultrasonic soldering method. The hooking plate 43 of the locking device 40 hooks and supports the lower end of the covering outer shell 30. The fitting support portion 314 of the covering outer shell 30 is fitted and supported in the fitting groove 44 of the locking device 40. The user grips the two elastic arms 46 firmly, and in the process of opening the two fitting support arms 47 outward, the user feels comfortable when grasping the grip 462 of the elastic arm 46, and the elastic arm portion The 464 presses the surface of the fitting plate 42 to cause a buffering action, so that excessive bending of the elastic arm 46 can be prevented. When the elastic arm 46 is opened, the elastic arm 46 returns to the original position, and the fitting support arm 47 contracts inward and returns to the start state.

  As shown in FIG. 4, the outlet connector 2 corresponding to the plug connector 1 includes an electric circuit board 60 and a shell 70. Two fixed support grooves 61 are provided in one edge portion of the electric circuit board 60 in the inner direction, and an outlet bottom plate 62 is formed between the two fixed support grooves 61 of the electric circuit board 60. A plurality of edge fingers (golden fingers) 63 are provided, and a pair of fitting fixing grooves 64 are provided at one end of the electric circuit board 60. The shell 70 is fixed on the electric circuit board 60 and is fitted on the outside of the outlet bottom plate 62. The shell 70 and the outlet bottom plate 62 surround an insertion connecting space (not shown). The shell 70 includes two side walls 71, and one end of each side wall 71 forms a fixed support portion 72 that is bent outward and extends. The lower end of the fixed support 72 is provided with a fitting portion 73 that extends horizontally and extends outward and then bends and extends further upward. The shell 70 is mounted on the electric circuit board 60, the side wall 71 is inserted into the fixing support groove 61 of the electric circuit board 60, and the fitting portion 73 is inserted into the fitting fixing groove 64 of the electric circuit board 60. .

  As shown in FIG. 5, the plug connector 1 of the present invention is inserted into the outlet connector 2. When assembling the connector assembly, when the front end of the plug connector 1 is inserted into the insertion connection space of the outlet connector 2, the conductive terminal 20 of the plug connector 1 and the edge connector 63 of the outlet connector 2 are pressed against each other and connected. The fitting hook 48 is hooked on the fixed support portion 72 of the outlet connector 2 and further ensures a stable connection between the plug connector 1 and the shell 70.

  As described above, the locking device 40 of the plug connector and connector assembly of the present invention has the elastic arm 46 installed, and in the operation process, the elastic arm portion 464 of the elastic arm 46 causes a buffering action, and the elastic arm 46 is excessively bent. It is possible to prevent the occurrence of fatigue and effectively increase the mechanical strength of the lock device 40, thereby improving the elasticity of the fitting.

DESCRIPTION OF SYMBOLS 1 Plug connector 10 Insulation main body 11 Basic body 12 Insertion connection groove 13 Terminal groove 20 Conductive terminal 21 Basic arm 22 Contact arm 23 Solder arm 30 Covering outer shell 31 Upper shell 311 Board | substrate 312 Side plate 313 Connection plate 314 Fitting support part 315 Fitting Support groove 32 Lower shell 321 Side plate part 322 Protruding part 40 Locking device 41 Base part 42 Fitting plate 43 Hooking plate 44 Fitting groove 45 Connecting arm 46 Elastic arm 461 Basic arm part 462 Grip part 463 Connecting part 464 Elastic arm part 47 Fitting Joint support arm 48 Fitting hook 50 Printed circuit board 2 Outlet connector 60 Electrical circuit board 61 Fixed support groove 62 Outlet bottom plate 63 Edge connector 64 Fitting fixing groove 70 Shell 71 Side wall 72 Fixed support part 73 Fitting part

Claims (10)

An insulating body, a plurality of conductive terminals housed in the insulating body, a covering outer shell fitted on the insulating body, and a lock device;
The locking device includes a base portion, and on both sides of the base portion, a fitting plate that bends and extends is formed. On one end edge of the two fitting plates, a connecting arm that bends and extends is formed. The elastic arm is extended in one side direction, and the elastic arm includes a basic arm portion, a connecting portion that bends and extends from the end of the basic arm portion, and an elastic arm portion that bends and extends from the end of the connecting portion. Extends the fitting support arm, and forms a fitting hook extending inwardly at the end of the fitting support arm. The elastic arm portion elastically presses the fitting plate surface in a movable state, and the base portion and the fitting plate. Is a plug connector characterized in that the outer shell is covered and fixed.   The plug connector according to claim 1, wherein a grip portion that bends and extends is formed on both sides of the basic arm portion.   The covering outer shell includes an upper shell and a lower shell, the upper shell includes a substrate, both side edges of the substrate are bent downward to form side plates that extend downward, and each of the side plates has a protruding fitting on one end thereof. A fitting support groove having a recess and a fitting support groove; and the lower shell includes two side plate portions, each side plate portion having a protruding portion protruding outwardly, and an upper shell and a lower shell of the covering outer shell. Are fitted together to wrap and cover the insulating body, the side plate of the lower shell is fitted and supported inside the side plate of the upper shell, and the protruding portion is fitted and supported in the fitting support groove. The plug connector according to claim 1.   A fitting groove is provided on the fitting plate of the locking device, and a hooking plate that is bent and extended inward is formed on one side edge of the fitting plate, and the hooking plate hooks and supports the lower end of the outer shell. 4. The plug connector according to claim 3, wherein the fitting support portion of the upper shell of the covering outer shell is fitted and supported in the fitting groove.   The plug connector according to claim 1, wherein the locking device is made of a metal material. The connector assembly includes a plug connector and an outlet connector,
The plug connector includes an insulating main body, a plurality of conductive terminals housed in the insulating main body, a covering outer shell fitted on the insulating main body, and a locking device.
The locking device includes a base portion, and on both sides of the base portion, a fitting plate that bends and extends is formed. On one end edge of the two fitting plates, a connecting arm that bends and extends is formed. The elastic arm is extended in one side direction, and the elastic arm includes a basic arm portion, a connecting portion that bends and extends from the end of the basic arm portion, and an elastic arm portion that bends and extends from the end of the connecting portion. Forms a fitting support arm that extends, and forms a fitting hook that extends inwardly at the end of the fitting support arm, and the elastic arm portion elastically presses the surface of the fitting plate in a movable state, The mating plate covers and fixes the outer shell,
The outlet connector includes an electric circuit board and a shell.
The electric circuit board is provided with two fixed support grooves in the inner direction at one edge portion thereof, an outlet bottom plate is formed between the two fixed support grooves, and a plurality of edge connectors are installed on the outlet bottom plate, One end of the plate is provided with a pair of fitting fixing grooves,
The shell is fixed on the electric circuit board and is fitted on the outside of the outlet bottom plate, the shell and the outlet bottom plate surround the insertion connection space, the shell has two side walls, and one end of each side wall is A fixed support portion that bends and extends in the outer direction is formed, and a lower end portion of the fixed support portion includes a fitting portion that extends horizontally and extends in the outer direction, and further bends and extends in an upward direction. A connector assembly, wherein the connector assembly is inserted into a fitting fixing groove.   The connector assembly according to claim 6, wherein a grip portion that bends and extends is formed on both sides of the basic arm portion.   The covering outer shell includes an upper shell and a lower shell, the upper shell includes a substrate, both side edges of the substrate are bent downward to form side plates that extend downward, and each of the side plates has a protruding fitting on one end thereof. A fitting support groove having a recess and a fitting support groove; and the lower shell includes two side plate portions, each side plate portion having a protruding portion protruding outwardly, and an upper shell and a lower shell of the covering outer shell. Are fitted together to wrap and cover the insulating body, the side plate of the lower shell is fitted and supported inside the side plate of the upper shell, and the protruding portion is fitted and supported in the fitting support groove. The connector assembly according to claim 6.   A fitting groove is provided on the fitting plate of the locking device, and a hooking plate that is bent and extended inward is formed on one side edge of the fitting plate, and the hooking plate hooks and supports the lower end of the outer shell. 7. The connector assembly according to claim 6, wherein the fitting support portion of the upper shell of the covering outer shell is fitted and supported in the fitting groove.   The connector assembly according to claim 6, wherein the locking device is made of a metal material.

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