CN212991381U

CN212991381U - Structure-enhanced Micro-USB plug connector

Info

Publication number: CN212991381U
Application number: CN202022203173.7U
Authority: CN
Inventors: 周锋; 邓伟平; 乔高朋; 李垚; 张建明
Original assignee: Shenzhen Chuangyitong Technology Co Ltd
Current assignee: Shenzhen Chuangyitong Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-04-16
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a structure-enhanced Micro-USB plug connector, which comprises an insulating body, a shielding shell, two clamping hook pieces and a plurality of terminals; the front end of the insulating body is provided with a slot; these a plurality of terminals are all fixed in insulating this body, and these a plurality of terminals intervals are arranged between two trip spare, and each terminal all has by going to contact site, arm of force, fixed part and the welding part that back integrated into one piece connects in proper order. The force arm of the terminal is designed into a structure which is inclined upwards from back to front, so that the strength of the front end of the force arm is greater than that of the rear end, and after the 4-Axis Continuity destructive test is carried out on the plug connector made by the structure, the bullet height of the contact area end of the connector is still in a higher state, so that the good electrical use function of the product can be effectively guaranteed under a certain destructive condition, and the problems of power failure, signal interruption and the like can not occur during use.

Description

Structure-enhanced Micro-USB plug connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a structure enhancement mode Micro-USB plug connector.

Background

The Micro-USB is a portable version of the USB 2.0 standard, is smaller than a Mini USB interface used by partial mobile phones, is the next generation specification of the Mini-USB, and is established and completed by USB Implementers Forum (USB-IF) in 2007 in 1 month and 4 days of the USB standardization organization. Micro-USB supports OTG, which is 5pin like Mini-USB. The definition of the Micro family includes Micro-B family slots used by standard devices; a Micro-AB slot used by OTG equipment; Micro-A and Micro-B plugs, as well as cables. The Micro series are unique in that they contain a stainless steel housing, and ten thousand plugging is not a problem.

The upper terminal of the existing Micro-USB plug connector is unreasonable in structural design, so that after the plug connector is connected with a wire, a 4-Axis Continuity destructive test is carried out (a simulator pulls the wire up, down, left and right in the using process, so that the plug connector is damaged qualitatively), the elastic height of a terminal contact area of the plug connector sinks seriously, and the terminal is hardly seen or the elastic height of the terminal is very low in the contact area; after the plug connector and the socket connector are plugged, the terminals are not contacted or discontinuously contacted completely, so that serious problems of power failure or signal interruption and the like of a product are caused. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a structure-enhanced Micro-USB plug connector, which can effectively solve the problem of the conventional Micro-USB plug connector that the terminal contact area has a very serious spring height and sink due to the unreasonable terminal structure design.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a structure-enhanced Micro-USB plug connector comprises an insulating body, a shielding shell, two clamping hook pieces and a plurality of terminals; the front end of the insulating body is provided with a slot; the shielding shell covers the insulating body; the two clamping hook pieces are respectively arranged inside two sides of the insulating body, the front end of each clamping hook piece is provided with a hook part, and the hook parts protrude out of the outer surface of the shielding shell; these a plurality of terminals are all fixed in insulating this body, and these a plurality of terminal intervals are arranged between two trip spare, and each terminal all has by going to contact site, arm of force, fixed part and the welding part that back integrated into one piece connected in proper order, and the contact site is located the slot, and the arm of force is by the structure of backward forward tilt up, and the welding part stretches out outside insulating this body.

As a preferred scheme, the bottom surface of the force arm is provided with a notch, the bottom surface of the rear end of the force arm is a horizontal plane, the top surface of the force arm is an inclined plane, and the inclined plane is inclined and extends upwards from back to front.

As a preferred scheme, fixed slots are formed in the two sides of the insulating body, and the two clamping hook members are respectively inserted into the corresponding fixed slots for fixing.

Preferably, a plurality of terminal slots are formed in the insulating body, and the plurality of terminals are respectively inserted into the corresponding terminal slots and fixed.

As a preferred scheme, insulator's rear end is fixed with a back stopper, and the concave constant head tank that is equipped with in surface of this back stopper, this welding part inlays in the constant head tank.

As a preferred scheme, the upper and lower surfaces of the rear end of the insulating body are respectively provided with a buckling part in a protruding manner, the rear end of the shielding shell extends to form a connecting sheet, a buckling hole is formed in the connecting sheet, and the buckling part is matched with the buckling hole and is fixed in a buckling manner.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the force arm of the terminal is designed into a structure which is inclined upwards from back to front, so that the strength of the front end of the force arm is greater than that of the rear end, and after the 4-Axis Continuity destructive test is carried out on the plug connector made by the structure, the bullet height of the contact area end of the connector is still in a higher state, so that the good electrical use function of the product can be effectively guaranteed under a certain destructive condition, and the problems of power failure, signal interruption and the like can not occur during use.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

FIG. 3 is a partial assembly view of the preferred embodiment of the present invention;

fig. 4 is a front view of the terminal in the preferred embodiment of the invention.

The attached drawings indicate the following:

10. insulation body 11, slot

12. Fixing groove 13 and terminal groove

14. Buckle part 20 and shielding shell

21. Slotted hole 22 and connecting sheet

23. Fastening hole 30 and hook

31. Hook 40 and terminal

41. Contact part 42, arm

43. Fixing part 44 and welding part

401. Notch 402, horizontal plane

403. Inclined plane 50, back stopper

51. And (6) positioning a groove.

Detailed Description

Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating body 10, a shielding shell 20, two hooks 30 and a plurality of terminals 40.

The front end of the insulating body 10 is provided with a slot 11, the slot 11 penetrates through one surface and the front end face of the front end of the insulating body 10, fixing slots 12 are formed in the two sides of the insulating body 10, a plurality of terminal slots 13 are formed in the insulating body 10, and the number of the terminal slots 13 is four, which is not limited; the upper and lower surfaces of the rear end of the insulating body 10 are both provided with a buckle part 14 in a protruding manner.

The shielding shell 20 covers the insulating body 10, a slot 21 is formed on the front end surface of the shielding shell 20, a connecting piece 22 extends from the rear end of the shielding shell 20, a buckling hole 23 is formed on the connecting piece 22, and the buckling part 14 is matched with the buckling hole 23 and is buckled and fixed.

The two hooks 30 are respectively disposed inside two sides of the insulating housing 10, a hook 31 is disposed at a front end of each hook 30, the hook 31 protrudes out of the outer surface of the shielding housing 20, in this embodiment, the hook 31 protrudes through the corresponding slot 21, and the two hooks 30 are respectively inserted into the corresponding fixing slots 12 for fixing.

These a plurality of terminals 40 are all fixed in insulator 10, and these a plurality of terminals 40 interval is arranged between two trip spare 30, and each terminal 40 all has by going to contact site 41, arm of force 42, fixed part 43 and the welding part 44 that back integrated into one piece connected in proper order, and contact site 41 is located slot 11, and arm of force 42 is the structure of upwards inclining from back to front, and welding part 44 stretches out outside the insulator. In this embodiment, the terminals 40 are respectively inserted into the corresponding terminal slots 13 and fixed, and the number of the terminals 40 is four, which is not limited; the bottom surface of the force arm 42 is provided with a notch 401, the bottom surface of the rear end of the force arm 42 is a horizontal plane 402, the top surface of the force arm 42 is an inclined plane 403, and the inclined plane 403 extends obliquely upwards from back to front.

And, a rear plug 50 is fixed at the rear end of the insulating body 10, a positioning groove 51 is concavely provided on the surface of the rear plug 50, and the welding portion 44 is embedded in the positioning groove 51.

Detailed description the assembly process of this embodiment is as follows:

during assembly, the insulating body 10 is formed, then the two hook members 30 are respectively inserted into the corresponding fixing grooves 12 for fixing, and the plurality of terminals 40 are respectively inserted into the corresponding terminal grooves 13 for fixing; then, the rear plug 50 is fixed at the rear end of the insulation body 10; finally, the shielding shell 20 covers the insulating body 10.

During the use, be connected this product and wire rod, then, be connected this product and the socket of test to inserting, use public female to inserting the department as the starting point, to wire rod department 15mm as the point of application of force, use the pole to exert 50N power and push down, four directions about from top to bottom are tested, after carrying out 4-Axis Continuity destructive test (the dummy pulls the wire rod about from top to bottom in the use, to making plug connector appear a qualitative destruction), plug connector contact area end bullet height still is in higher state, after public female head is to inserting, still has comparatively good contact performance, can not appear cutting off the power supply or disconnected news scheduling problem during the use.

The utility model discloses a design focus lies in: the force arm of the terminal is designed into a structure which is inclined upwards from back to front, so that the strength of the front end of the force arm is greater than that of the rear end, and after the 4-Axis Continuity destructive test is carried out on the plug connector made by the structure, the bullet height of the contact area end of the connector is still in a higher state, so that the good electrical use function of the product can be effectively guaranteed under a certain destructive condition, and the problems of power failure, signal interruption and the like can not occur during use.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a structure enhancement mode Micro-USB plug connector which characterized in that: the shielding structure comprises an insulating body, a shielding shell, two clamping hook pieces and a plurality of terminals; the front end of the insulating body is provided with a slot; the shielding shell covers the insulating body; the two clamping hook pieces are respectively arranged inside two sides of the insulating body, the front end of each clamping hook piece is provided with a hook part, and the hook parts protrude out of the outer surface of the shielding shell; these a plurality of terminals are all fixed in insulating this body, and these a plurality of terminal intervals are arranged between two trip spare, and each terminal all has by going to contact site, arm of force, fixed part and the welding part that back integrated into one piece connected in proper order, and the contact site is located the slot, and the arm of force is by the structure of backward forward tilt up, and the welding part stretches out outside insulating this body.

2. The structurally-enhanced Micro-USB plug connector of claim 1, wherein: the bottom surface of the force arm is provided with a notch, the bottom surface of the rear end of the force arm is a horizontal plane, the top surface of the force arm is an inclined plane, and the inclined plane is inclined and extends upwards from back to front.

3. The structurally-enhanced Micro-USB plug connector of claim 1, wherein: fixed slots are formed in the two sides of the insulating body, and the two clamping hook pieces are respectively inserted into the corresponding fixed slots to be fixed.

4. The structurally-enhanced Micro-USB plug connector of claim 1, wherein: a plurality of terminal grooves are formed in the insulating body, and the terminals are respectively inserted into the corresponding terminal grooves to be fixed.

5. The structurally-enhanced Micro-USB plug connector of claim 1, wherein: the rear end of insulator is fixed with a back stopper, and the concave constant head tank that is equipped with in surface of this back stopper, this weld part inlays in the constant head tank.

6. The structurally-enhanced Micro-USB plug connector of claim 1, wherein: the upper surface and the lower surface of the rear end of the insulating body are convexly provided with buckling parts, the rear end of the shielding shell extends to form a connecting sheet, buckling holes are formed in the connecting sheet, and the buckling parts are matched with the buckling holes and are buckled and fixed.