CN214428858U

CN214428858U - Micro-USB connector capable of improving shielding performance

Info

Publication number: CN214428858U
Application number: CN202120643260.6U
Authority: CN
Inventors: 张勋
Original assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Current assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-19
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a Micro-USB connector for improving shielding performance, which comprises an insulating body, a shielding shell, a terminal group and two clamping hooks; the insulation body is internally provided with a terminal installation groove, the terminal group is inserted into the terminal installation groove from back to front, the left side and the right side of the terminal installation groove are both provided with a clamping hook installation groove, and the clamping hooks are respectively inserted into the corresponding clamping hook installation grooves from back to front; the shielding part is integrally injection-molded in the insulating body and comprises two side arms and a top plate part integrally connected to the rear ends of the two side arms, and the two side arms and the top plate part are embedded in the insulating body; the two side arms of the shielding piece are respectively arranged between the clamping hook mounting grooves on the two sides and the terminal mounting grooves in a spaced mode, and the top plate portion is located above the connecting and fixing portions of the terminals. The shielding piece is integrally formed in the insulating body in an injection molding mode, the terminal group is further shielded, the anti-interference effect is good, and meanwhile, the structural strength of the inserting part of the Micro-USB connector is improved.

Description

Micro-USB connector capable of improving shielding performance

Technical Field

The utility model relates to a Micro-USB connector field technique especially indicates a improve shielding performance's Micro-USB connector.

Background

The existing Micro-USB connector generally comprises an insulating body and a shielding shell sleeved outside the insulating body, when the connector is in actual use, the shielding strength of the shielding shell is insufficient, the connector is very easily influenced by an external magnetic field in a signal transmission process, the anti-interference effect is poor, the signal transmission speed of the connector is low, and the use experience of a user is influenced. In addition, the plug type Micro-USB connector is small in size, the traditional plugging part is mainly formed by wrapping a plastic plugging part by a metal plugging shell, the structural strength is limited, and the plugging part is easy to deform and damage under the condition of large external force, particularly slight deviation of the plugging direction, so that the plugging performance and the service life of the Micro-USB connector are influenced.

Therefore, there is a need for an improvement to existing Micro-USB connectors.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a Micro-USB connector with improved shielding performance, which has good shielding performance and good anti-interference effect, and improves the structural strength of the whole insertion portion.

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

a Micro-USB connector for improving shielding performance comprises an insulating body, a shielding shell, a terminal group and two clamping hooks; the terminal is characterized in that a terminal mounting groove for placing a terminal group is formed in the insulating body, the terminal group comprises a plurality of terminals, the terminals comprise a contact part, a connecting fixing part and a welding part which are sequentially connected, the terminal group is inserted into the terminal mounting groove from back to front, the contact part is exposed on the lower side surface of the insulating body, the connecting fixing part is tightly matched in the terminal mounting groove, and the welding part is exposed on the rear side of the insulating body; the left side and the right side of the terminal mounting groove are both provided with a clamping hook mounting groove, and the clamping hooks are respectively inserted into the corresponding clamping hook mounting grooves from back to front; the shielding shell is sleeved outside the insulating body; wherein:

the shielding part is integrally injection-molded in the insulating body and comprises two side arms and a top plate part which is integrally connected to the rear ends of the two side arms, the two side arms and the top plate part are embedded in the insulating body, abutting parts extend forwards from the two side arms and are exposed out of the top of the insulating body and abut against the inner wall surface of the shielding shell; the two side arms of the shielding piece are respectively arranged between the clamping hook mounting grooves on the two sides and the terminal mounting grooves in a spaced mode, and the top plate portion is located above the connecting and fixing portions of the terminals.

As a preferred scheme, the terminals are sequentially defined as a first data terminal, a power supply terminal, a detection terminal and a second data terminal from left to right; the first data terminal, the power supply terminal, the detection terminal and the second data terminal are all provided with elastic arms, the contact parts are arranged at the front ends of the elastic arms, and the rear ends of the elastic arms are connected to the welding parts through connecting and fixing parts.

Preferably, the first data terminal is far from the power supply terminal.

As a preferred scheme, the elastic arm of terminal, connect the equal vertical setting of fixed part, the welding part is transversely set up from the rear end top bending of corresponding connection fixed part, the welding part is the horizontal plate form and arranges into one row.

As a preferred scheme, the insulation body comprises a front rubber core and a rear rubber core, the terminal mounting groove and the hook mounting groove are both located in the front rubber core, the rear rubber core is provided with a positioning groove for positioning the welding part, and the welding part extends backwards out of the front rubber core and is located in the positioning groove; the rear rubber core and the front rubber core are fixedly inserted; the rear end bottom of the rear rubber core is provided with a sinking plate space, and the welding part is exposed at the top in the sinking plate space.

As a preferred scheme, the upper and lower surfaces of the rear rubber core are provided with buckling parts, correspondingly, the shielding shell extends backwards to form buckling holes, and the buckling holes are respectively buckled and connected with the corresponding buckling parts.

As a preferable scheme, the insulation body further comprises a protective shell, the front end of the protective shell is provided with a flange, the peripheral surface of the protective shell is inwards provided with a plurality of convex parts in a protruding mode, the insulation body is arranged in the protective shell from back to front, and the convex parts abut against the insulation body.

As a preferred scheme, the rear ends of the terminal mounting groove and the clamping hook mounting groove are both concavely provided with glue containing grooves, and sealant is poured in the glue containing grooves.

As a preferred scheme, the left end and the right end of the top plate part respectively extend downwards and then extend inwards in opposite directions to form a shielding frame, and the connecting and fixing part is located in an area surrounded by the shielding frame.

As a preferred scheme, the two side arms, the elastic arm and the connecting and fixing part of the terminal are vertically arranged, and the two side arms completely cover the left side and the right side of the connecting and fixing part of the terminal;

and the abutting parts of the two side arms are in an I shape.

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

the shielding part is integrally injection-molded in the insulating body, is arranged between the clamping hook mounting groove and the terminal mounting groove on two sides in a spaced mode, further shields the terminal group, purposefully shields and isolates the local part of the terminal in a multi-direction mode, and is combined with the shielding shell to improve the overall shielding performance of the Micro-USB connector, so that the anti-interference effect is good, and the use experience of a user is favorably improved;

secondly, both side arms and a top plate part of the shielding part are embedded in the insulating body, and the two side arms of the shielding part are respectively arranged between the clamping hook mounting grooves and the terminal mounting grooves at both sides in a spaced manner; the shielding part is easy to produce and manufacture, and the left end and the right end of the top plate part can be further extended downwards respectively and then extended inwards in opposite directions according to shielding requirements to form a shielding frame, so that the connecting and fixing part is positioned in the surrounding area of the shielding frame, and the shielding effect is improved;

moreover, the rear ends of the terminal mounting groove and the clamping hook mounting groove are both concavely provided with the glue containing groove, and the glue containing groove is filled with the sealant, so that on one hand, the terminal is secondarily reinforced, the stability of the terminal in the insulating body is improved, the PIN withdrawing phenomenon is prevented, and meanwhile, the connection stability of the welding part and the circuit board is facilitated; on the other hand, water is prevented from flowing into the welding part of the terminal and the circuit board from the front ends of the terminal mounting groove and the clamping hook mounting groove, a good waterproof effect is achieved, and the service life of the Micro-USB connector is prolonged.

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 a perspective view of a first preferred embodiment of the present invention;

fig. 2 is a perspective view from another perspective of the first preferred embodiment of the present invention;

FIG. 3 is an exploded view of a first preferred embodiment of the present invention (without the protective shell);

fig. 4 is an exploded view from another perspective (without the protective shell) of the first preferred embodiment of the present invention;

fig. 5 is an exploded view of the front rubber core and the terminal set according to the first preferred embodiment of the present invention;

FIG. 6 is a cross-sectional view of a first preferred embodiment of the present invention;

fig. 7 is a sectional view of a second preferred embodiment of the present invention.

The attached drawings indicate the following:

10. insulating body 11 and front rubber core

12. Rear rubber core 121, positioning groove

122. Sinking plate space 123, fastening part

101. Terminal mounting groove 102, hook mounting groove

103. Glue containing groove 20 and shielding shell

201. Buckle hole 30 and terminal group

31. Contact part 32 and connection fixing part

33. Welding part 34 and first data terminal

35. Power supply terminal 36 and detection terminal

37. Second data terminal 38, spring arm

40. Hook 50 and shield

51. Side arms 52, ceiling plate

511. Contact part 111 and escape port

60. Protective shell 61, flange

62. And the convex part 70 and the sealant.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a first preferred embodiment of the present invention is shown, which includes an insulating body 10, a shielding shell 20, a terminal set 30 and two hooks 40; a terminal installation groove 101 for placing the terminal group 30 is formed in the insulating body 10, the terminal group 30 comprises a plurality of terminals, each terminal comprises a contact portion 31, a connection fixing portion 32 and a welding portion 33 which are sequentially connected, the terminal group 30 is inserted into the terminal installation groove 101 from back to front, the contact portions 31 are exposed on the surface of the lower side of the insulating body 10, the connection fixing portions 32 are tightly fitted in the terminal installation groove 101, and the welding portions 33 are exposed on the rear side of the insulating body 10; the left side and the right side of the terminal installation groove 101 are both provided with a hook installation groove 102, and the hooks 40 are respectively inserted into the corresponding hook installation grooves 102 from back to front; the shielding shell 20 is sleeved outside the insulating body 10; wherein:

the shielding element 50 is integrally injection-molded in the insulating body 10, the shielding element 50 includes two side arms 51 and a top plate portion 52 integrally connected to rear ends of the two side arms 51, the top plate portion 52 has more than one through hole 501, the insulating body 10 is fixed by gluing through the through holes 501 during injection molding, the two side arms 51 and the top plate portion 52 are both embedded in the insulating body 10, abutting portions 511 extend forwards from the two side arms 51, the abutting portions 511 are exposed out of the top of the insulating body 10 and abut against the inner wall surface of the shielding shell 20, and accordingly, the insulating body 10 is provided with an avoiding opening 111 of the abutting portions 511; the two side arms 51 of the shielding member 50 are respectively spaced between the hook mounting grooves 102 and the terminal mounting grooves 101, and the top plate 52 is located above the connection fixing portions 32 of the terminals.

Specifically, the insulation body 10 includes a front rubber core 11 and a rear rubber core 12, the terminal installation groove 101 and the hook installation groove 102 are both located in the front rubber core 11, the rear rubber core 12 is provided with a positioning groove 121 for positioning the welding portion 33, and the welding portion 33 extends backward out of the front rubber core 11 and is located in the positioning groove 121; the rear rubber core 12 is fixedly inserted with the front rubber core 11; a sinking plate space 122 is formed at the bottom of the rear end of the rear rubber core 12, and the welding part 33 is exposed at the top of the sinking plate space 122;

the terminals are sequentially defined as a first data terminal 34, a power terminal 35, a detection terminal 36 and a second data terminal 37 from left to right, and the first data terminal 34 is far away from the power terminal 35; the first data terminal 34, the power terminal 35, the detection terminal 36 and the second data terminal 37 each have an elastic arm 38, the contact portion 31 is disposed at a front end of the elastic arm 38, and a rear end of the elastic arm 38 is connected to the soldering portion 33 through the connection fixing portion 32.

Further, the elastic arm 38 and the connecting and fixing portion 32 of the terminal are vertically arranged, the welding portion 33 is bent and transversely arranged from the top of the rear end of the corresponding connecting and fixing portion 32, and the welding portions 33 are horizontally arranged in a plate shape;

the upper surface and the lower surface of the rear rubber core 12 are both provided with buckling parts 123, correspondingly, buckling holes 201 extend backwards from the shielding shell 20, and the buckling holes 201 are respectively buckled and connected with the corresponding buckling parts 123, so that the splicing stability of the rear rubber core 12 and the front rubber core 11 is further ensured;

the insulation body 10 is arranged in the protective shell 60 from back to front, the convex parts 62 abut against the insulation body 10, and the arrangement of the convex parts 62 increases the friction between the inner peripheral side of the protective shell 60 and the insulation body so that the insulation body 10 is not easy to loosen in the protective shell 60; and, the rear end of the protective shell 60 is further provided with a rear shell which can be folded up and down.

Preferably, the two side arms 51, the elastic arms 38 of the terminal and the connecting and fixing portion 32 are vertically arranged, the two side arms 51 completely shield the left and right sides of the connecting and fixing portion 32 of the terminal, and the abutting portions 511 of the two side arms 51 are i-shaped, so that the shielding element 50 is not prone to shaking during injection molding, and the shielding element 50 is ensured to be located at a corresponding position after injection molding.

And the rear ends of the terminal mounting groove 101 and the hook mounting groove 102 are both concavely provided with a glue containing groove 103, a sealant 70 is filled in the glue containing groove 103, and after the hook 40 and the terminal are inserted in place, the sealant 70 is filled in the glue containing groove 103, so that the waterproof and fixing effects are achieved.

Referring to fig. 7, a structure of a second preferred embodiment of the present invention is shown, the structure of this embodiment is basically the same as the specific structure of the first preferred embodiment, except that:

the left end and the right end of the top plate part 52 respectively extend downwards and then extend inwards in opposite directions to form a shielding frame, and the connecting and fixing part 32 is located in a shielding frame surrounding area, so that the shielding effect of the Micro-USB connector is further improved.

The utility model discloses a design focus lies in:

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 an improve Micro-USB connector of shielding performance which characterized in that: comprises an insulating body, a shielding shell, a terminal group and two clamping hooks; the terminal is characterized in that a terminal mounting groove for placing a terminal group is formed in the insulating body, the terminal group comprises a plurality of terminals, the terminals comprise a contact part, a connecting fixing part and a welding part which are sequentially connected, the terminal group is inserted into the terminal mounting groove from back to front, the contact part is exposed on the lower side surface of the insulating body, the connecting fixing part is tightly matched in the terminal mounting groove, and the welding part is exposed on the rear side of the insulating body; the left side and the right side of the terminal mounting groove are both provided with a clamping hook mounting groove, and the clamping hooks are respectively inserted into the corresponding clamping hook mounting grooves from back to front; the shielding shell is sleeved outside the insulating body; wherein:

2. A Micro-USB connector with improved shielding performance as claimed in claim 1, wherein: the plurality of terminals are sequentially defined as a first data terminal, a power supply terminal, a detection terminal and a second data terminal from left to right; the first data terminal, the power supply terminal, the detection terminal and the second data terminal are all provided with elastic arms, the contact parts are arranged at the front ends of the elastic arms, and the rear ends of the elastic arms are connected to the welding parts through connecting and fixing parts.

3. A Micro-USB connector with improved shielding performance as claimed in claim 2, wherein: the first data terminal is remote from the power supply terminal.

4. A Micro-USB connector with improved shielding performance as claimed in claim 2, wherein: the elastic arm of terminal, the equal vertical setting of connection fixed part, the welding part is horizontal setting from the rear end top bending type of corresponding connection fixed part, the welding part is the horizontal plate form and arranges into one row.

5. A Micro-USB connector with improved shielding performance as claimed in claim 1, wherein: the insulation body comprises a front rubber core and a rear rubber core, the terminal mounting groove and the clamping hook mounting groove are both positioned in the front rubber core, the rear rubber core is provided with a positioning groove for positioning the welding part, and the welding part extends out of the front rubber core backwards and is positioned in the positioning groove; the rear rubber core and the front rubber core are fixedly inserted; the rear end bottom of the rear rubber core is provided with a sinking plate space, and the welding part is exposed at the top in the sinking plate space.

6. A Micro-USB connector with improved shielding performance according to claim 5, wherein: the upper surface and the lower surface of the rear rubber core are respectively provided with a buckling part, correspondingly, the shielding shell extends backwards to form buckling holes, and the buckling holes are respectively buckled and connected with the corresponding buckling parts.

7. A Micro-USB connector with improved shielding performance as claimed in claim 1, wherein: the insulation body is arranged in the protective shell from back to front, and the convex parts abut against the insulation body.

8. A Micro-USB connector with improved shielding performance according to claim 5, wherein: the rear ends of the terminal mounting groove and the clamping hook mounting groove are both concavely provided with glue containing grooves, and sealant is poured into the glue containing grooves.

9. A Micro-USB connector with improved shielding performance as claimed in claim 2, wherein: the left end and the right end of the top plate part respectively extend downwards and then extend inwards in opposite directions to form a shielding frame, and the connecting and fixing part is located in an area surrounded by the shielding frame.

10. A Micro-USB connector with improved shielding performance as claimed in claim 2, wherein: the two side arms, the elastic arms and the connecting and fixing parts of the terminals are vertically arranged, and the two side arms completely shield the left side and the right side of the connecting and fixing parts of the terminals;

and the abutting parts of the two side arms are in an I shape.