CN212304002U

CN212304002U - USB female socket

Info

Publication number: CN212304002U
Application number: CN202020851105.9U
Authority: CN
Inventors: 丁青松
Original assignee: NINGBO CONNFLY ELECTRONIC CO Ltd
Current assignee: NINGBO CONNFLY ELECTRONIC CO Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-05
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a USB female socket, which comprises an outer shell, an insulator group and a contact element, wherein the contact element is arranged in the insulator group, and the outer shell is sleeved outside the insulator group; the contact piece is sequentially provided with a contact section, a main body section and a welding section, the insulator group comprises a first insulator and a second insulator, the front end of the first insulator is provided with a tongue plate part, and the contact section is arranged on the tongue plate part; the second insulator is connected to a rear end of the tongue portion, the main body section is disposed in the second insulator, and the welding section protrudes from the second insulator. The two insulators are arranged to form the insulator group, so that the lengthened contact piece is convenient to install and avoids damage, and injection molding of the insulators is simpler.

Description

USB female socket

Technical Field

The utility model relates to a female socket, concretely relates to female socket of USB.

Background

In the production and processing process of electronic products, the USB connector is often required to be soldered on a circuit board, but when the existing USB connector is soldered on the circuit board, the bottom end face of the USB connector abuts against the circuit board, and then the soldering portion is soldered in the soldering hole of the circuit board, so as to achieve the electrical connection function of the USB connector.

Various powered devices have different height requirements for USB connectors, however, since the contacts of the USB female receptacle are thin and many dimensions are defined by standards, there is a challenge to increase the size of the USB female receptacle. Therefore, there is a need for a USB female receptacle with a height-increasing function.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem of the above-mentioned female socket of height-increasing type USB, the utility model provides a female socket of USB, the female socket includes shell body, insulator group, contact, the contact is settled in the insulator group, the shell body cover is located outside the insulator group; the contact piece is sequentially provided with a contact section, a main body section and a welding section, the insulator group comprises a first insulator and a second insulator, the front end of the first insulator is provided with a tongue plate part, and the contact section is arranged on the tongue plate part; the second insulator is connected to a rear end of the tongue portion, the main body section is disposed in the second insulator, and the welding section protrudes from the second insulator.

Further, the first insulator further comprises a base part and two clamping arms, wherein the base part is connected to the rear end of the tongue plate part; the two clamping arms are arranged on two sides of the base portion, the clamping arms and the tongue plate portion are respectively located at two ends of the base portion, and the second insulator is arranged between the two clamping arms.

Further, the base portion is provided with a through clamping hole, the front end of the second insulator is provided with a barb portion, and the barb portion penetrates through the clamping hole and is hooked on platform surfaces on two sides of the clamping hole.

Further, the clamping arm comprises a limiting part, the limiting part limits the second insulator, and the limiting direction is perpendicular to the inserting direction of the barb part and the inserting direction of the clamping hole.

Further, the limiting part comprises a limiting groove and a limiting surface, the limiting groove is arranged on the bottom surface of the clamping arm, and the limiting surface is arranged on the top surface of the clamping arm; the second insulator is provided with limiting convex strips at two sides of the bottom surface thereof, and the limiting convex strips are inserted into the limiting grooves; the two sides of the top surface of the second insulator and the limiting surface are mutually abutted.

Further, raised bumps are provided on the top surface of the second insulator.

Further, the second insulator contains two and increases the lug, two increase and form rectangular clearance between the lug, the shell body is equipped with interior concave part, interior concave part with rectangular clearance fit sets up.

On the other hand improves the scheme, the rear end that increases the lug is provided with spacing breach, the rear end of shell body is provided with first stopping shell fragment, first stopping shell fragment supports and props up spacing breach.

In another aspect, the base portion includes a blocking groove, the outer shell is provided with a blocking elastic sheet, and the blocking elastic sheet blocks the blocking groove; the clamping arm comprises a groove and a stopping convex part, the stopping convex part is arranged in the groove, the outer shell is provided with a second stopping elastic sheet, and the second stopping elastic sheet supports against the stopping convex part.

Still further, the rear end of shell body is provided with fixed foot, be provided with fixed shell fragment on the fixed foot.

The utility model has the advantages that: arranging an insulator group, wherein the insulator group comprises a first insulator and a second insulator, arranging a contact end of a contact on the first insulator, arranging an elongated main body section of the contact by using the second insulator, and finally connecting the second insulator on the first insulator to form a whole; the lengthened contact piece is convenient to install and avoids damage, and the injection molding of the insulator is simpler.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. In the drawings, several embodiments of the invention are shown by way of example and not by way of limitation; in the drawings, like or corresponding reference numerals designate like or corresponding parts, and in which:

FIG. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a schematic view of an embodiment of the contact element 5 of the present invention;

FIG. 3 is an exploded view of an embodiment of an insulator stack according to the present invention;

fig. 4 is a schematic top view of an embodiment of an insulator stack of the present invention;

fig. 5 is a schematic rear view of an embodiment of the insulator group 2 of the present invention;

reference numerals:

1-outer shell, 11-inner concave part, 12-first backstop elastic sheet, 13-resisting elastic sheet, 14-second backstop elastic sheet, 15-fixing foot, 16-fixing elastic sheet, 17-bell mouth, 18-pressing elastic sheet;

2-insulator group, 3-first insulator, 31-tongue part, 32-contact receiving groove, 33-hollowed-out part, 34-basic part, 341-through channel, 342-snap hole, 343-resist groove, 35-clamping arm, 351-limit groove, 352-limit surface, 353-groove, 354-backstop convex part;

4-second insulator, 41-contact channel, 42-limit convex strip, 43-heightening bump, 44-strip gap, 45-limit notch, 46-barb part;

5-contact, 51-contact section, 52-body section, 53-welding section, 54-barb.

Detailed Description

The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given only to enable those skilled in the art to better understand and to implement the present invention, and do not limit the scope of the present invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.

General embodiment of female socket

As shown in fig. 1, it is a type a USB female socket. The USB female socket comprises an outer shell 1, an insulator group 2 and a contact 5; four contact pieces 5 are all arranged in the insulator group 2, and the complete USB female socket is formed after the outer shell 1 is sleeved outside the insulator group 2.

The contact element 5 is sequentially provided with a contact section 51, a main body section 52 and a welding section 53, wherein the contact section 51 is used for electrically contacting with a matched A-type USB male plug; the two ends of the main body section 52 are connected with the contact section 51 and the welding section 53, and the main body section 52 of the contact is longer; the soldering section 53 is used for soldering to a circuit board to electrically connect the contact 5 and the circuit board.

As shown in fig. 2, in which the insulator group 2 includes a first insulator 3 and a second insulator 4, the front end of the first insulator 3 is provided with a tongue portion 31, and the contact section 51 of the contact is provided on the tongue portion 31; specifically, the tongue portion 31 is provided with a corresponding contact accommodating groove 32, the contact section 51 is disposed in the contact accommodating groove 32, the head end of the contact section 51 extends into the hollow portion 33 at the top end of the contact accommodating groove 32, and the front end of the contact section 51 protrudes outward to form an arc shape. The second insulator 4 is connected to the rear end of the tongue portion 31, the connected first insulator 3 and second insulator 4 are integrated, the main body section 52 of the contact 5 is arranged in the second insulator 4, and the welding section 53 of the contact protrudes out of the second insulator 4; specifically, the second insulator 4 is provided with a through contact passage 41 therein, and the main body segment 52 of the contact is provided in the contact passage 41.

When the USB female socket is installed, the contact section 51 of the contact is firstly installed on the tongue plate part 31 of the first insulator 3; then connecting the second insulator 4 to the first insulator 3 from the rear end of the first insulator 3 while the main body section 52 of the contact is positioned inside the second insulator 4 and the soldering section 53 of the contact is exposed outside the second insulator 4; and finally, sleeving the outer shell 1 on the insulator group 2 to complete the installation of the female socket.

The utility model is provided with two insulators, so that the contact element 5 is convenient to operate and not easy to damage when being installed on the first insulator 3; at the same time, the main body section 52 of the elongated contact 5 is arranged in the second insulator 4, so that the contact 5 is entirely arranged in the insulator, and the contact 5 is entirely protected; furthermore, a larger insulator is divided into two relatively smaller insulators, so that the injection molding of the insulators is more convenient. The utility model provides a whole solution of female socket of type USB increases.

Implementation of the insulator group

In one embodiment, as shown in fig. 3, the first insulator 3 includes a base portion 34 and two holding arms 35 in addition to the tongue portion 31, the base portion 34 being connected to the rear end of the tongue portion 31; two holding arms 35 are provided on both sides of the base part 34, and the holding arms 35 and the tongue part 31 are respectively located at both ends of the base part 34, i.e., the holding arms 35 are elongated rearward from both sides of the base part 34, and the second insulator 4 is provided between the two holding arms 35. Specifically, four through passages 341 are formed in the base portion 34, the four through passages 341 communicate with the contact receiving groove 32 of the tongue portion 31, and the contact 5 passes through the through passages 341 and then enters the contact receiving groove 32; the contact member 5 may be provided with barbs 54 at both sides thereof, which prevent the contact member 5 from receding after the contact member 5 is pushed against the hollow portion 33 of the contact receiving groove 32.

As shown in fig. 4, the base portion 34 is provided with a through-hole 342, the front end of the second insulator 4 is provided with a barb portion 46, and the barb portion 46 passes through the hole 342 and hooks onto the terrace surfaces on both sides of the hole 342. In this embodiment, the through passage 341 of the base portion 34 and the click hole 342 communicate with each other; the barb parts 46 are two barbs which are arranged outwards, and two buckling holes 342 are correspondingly arranged above the two through channels 341; the bottom surface of the barb portion 46 is also a flat surface, and when the barb portion 46 is hooked on the terrace surface of the hooking hole 342, the first insulator 3 and the second insulator 4 are connected together, and the function of restricting the second insulator 4 from being withdrawn from the first insulator 3 is achieved. Obviously, the hooking hole 342 may not communicate with the through-channel 341, and the hooking hole 342 may be a single hole matching with the barb 46, and the two barbs of the barb 46 may be disposed inward.

In a preferred embodiment, the holding arm 35 includes a limiting portion for limiting the second insulator 4, and the limiting direction is perpendicular to the insertion direction of the barb 46 and the fastening hole 342. The cooperating action of the barb portion 46 and the fastening hole 342 limits the degree of freedom of the second insulator 4 in the plugging direction, and the clamping arm 35 is additionally provided with a limiting portion for limiting the degree of freedom of the second insulator 4 in the direction perpendicular to the plugging direction, so that the overall strength of the insulator group 2 is further increased.

Specifically, in one embodiment, the position-limiting portion includes a position-limiting groove 351 and a position-limiting surface 352, the position-limiting groove 351 is disposed on the bottom surface of the holding arm 35, and the position-limiting surface 352 is disposed on the top surface of the holding arm 35, and it is obvious that the positions of the position-limiting groove 351 and the position-limiting surface 352 can be interchanged; the two sides of the bottom surface of the second insulator 4 are provided with limiting convex strips 42, the limiting convex strips 42 are inserted into the limiting grooves 351, and the mutual matching of the limiting convex strips 42 and the limiting grooves 351 has the function of limiting the second insulator 4 and also has the guiding function or the foolproof function; in addition, the top end of the limiting convex strip 42 can be provided with a chamfer to facilitate the insertion of the limiting groove 351; both sides of the top surface of the second insulator 4 and the stopper surface 352 abut against each other.

In other embodiments, the upper and lower surfaces of the holding arm 35 may be provided with two limiting surfaces 352, and the two limiting surfaces 352 form a limiting part; alternatively, the stopper grooves 351 may be provided on both the upper and lower surfaces of the clamp arm 35, and the two stopper grooves 351 may constitute stopper portions. Obviously, the limiting groove 351 can be arranged at other heights on the side surface of the holding arm 35, and the above-mentioned effect can be achieved.

In other embodiments, the limiting protrusion 42 may be disposed on the first insulator 3, and the limiting groove 351 may be correspondingly disposed on the second insulator 4; other similar simple position adjustment, or the spacing portion structure on the clamping arm 35 and the corresponding structure on the second insulator 4 are exchanged between the two, are all within the scope of the present invention.

Embodiments between insulator sets and outer shells

As shown in fig. 4, both sides of the top surface of the second insulator 4 and the stopper surface 352 provided on the top surface of the holding arm 35 abut against each other, and the middle portion of the top surface of the second insulator 4 is significantly lower than the stopper surface 352. In one embodiment, raised bumps 43 are provided on the top surface of the second insulator 4 so that the second insulator 4 and the first insulator 3 are flush, resulting in a closer contact between the insulator stack 2 and the outer housing 1, reducing the possibility of wobbling of the second insulator.

In a modified embodiment, the second insulator 4 comprises two heightening projections 43, a strip gap 44 is formed between the two heightening projections 43, and the outer shell 1 is provided with an inner concave portion 11, the inner concave portion 11 and the strip gap 44 are arranged in a matching manner. The inner recess 11 slides through the elongated gap 44 and the insulator assembly 2 can be inserted into the outer housing 1 for fool-proofing. Further, the front end of the elongated gap 44 may be flared to guide the concave portion 11 to slide into the elongated gap 44.

In another modified embodiment, as shown in fig. 1, a limiting notch 45 is disposed at the rear end of the heightening bump 43, a first anti-return elastic sheet 12 is disposed at the rear end of the outer shell 1, and the first anti-return elastic sheet 12 abuts against the limiting notch 45. Specifically, after the insulator group 2 is installed in the outer shell 1, the first backstop elastic sheet 12 is pressed down, so that the first backstop elastic sheet 12 abuts against the limiting notch 45, and the effect of preventing the insulator group 2 from exiting from the outer shell 1 is achieved.

In a modified embodiment, the base portion 34 includes a stopping groove 343, the outer housing 1 is provided with a stopping elastic sheet 13, the stopping groove 343 and the stopping elastic sheet 13 are cooperatively arranged, and the stopping elastic sheet 13 extends into the stopping groove 343 and stops the stopping groove 343, so that the insulator group 2 cannot further extend into the outer housing 1. Specifically, as shown in fig. 5, the blocking groove 343 may be provided above and/or below the base part 34, the blocking groove 343 being close to the tongue plate part 31 and the opening of the blocking groove 343 facing the tongue plate part 31; a plurality of the stopping grooves 343 may be further provided, and a pair of the stopping grooves 343 may be provided above and below the base portion 34, although the stopping spring 13 of the outer housing 1 also needs to be correspondingly provided.

The holding arm 35 includes a retaining protrusion 354, the outer housing 1 is provided with a second retaining spring 14, and the second retaining spring 14 abuts against the retaining protrusion 354. In one embodiment, the retaining protrusion 354 is in the shape of a bar and the retaining protrusion 354 is disposed on the outer side of the holding arm 35, the outer side of the holding arm 35 is provided with a groove 353, and the retaining protrusion 354 is disposed in the groove 353; the second anti-return elastic sheet 14 is arranged on two side surfaces of the outer shell 1, the second anti-return elastic sheet 14 is recessed into the outer shell 1, and the free end of the second anti-return elastic sheet extends towards the front end of the outer shell 1. The front end of the retaining protrusion 354 is chamfered, so that when the insulator group 2 is inserted into the outer shell 1, the second retaining spring 14 and the retaining protrusion 354 do not abut against each other, and the free end of the second retaining spring 14 slides over the retaining protrusion 354 along the groove 353; the rear end of the retaining protrusion 354 is disposed to be a plane, so that the second retaining spring 14 can abut against the plane to prevent the insulator set 2 from exiting the outer housing 1. The free ends of the resisting elastic sheet 13 and the second backstop elastic sheet 14 face opposite directions, and the freedom degrees of the insulator group 2 in the two opposite directions are limited.

In addition, the rear end of the outer shell 1 is also provided with a fixing foot 15, and the fixing foot 15 is provided with a fixing elastic sheet 16. The fixing pin 15 is used for inserting into the insertion hole of the circuit board, and the fixing pin 15 can be welded on the circuit board; set up fixed shell fragment 16 on fixed foot 15, can increase the fixed intensity between shell body 1 and the circuit board, fixed shell fragment 16 just outwards perk towards shell body 1 front end direction, can support and withstand this circuit board after fixed foot 15 inserts the circuit board.

The front end of the outer shell 1 is provided with a bell mouth 17, and chamfers are arranged on the periphery of the bell mouth 17, so that the adaptive male connector can be conveniently inserted. Set up on the anterior segment of shell body 1 and compress tightly shell fragment 18, compress tightly shell fragment 18 and can compress tightly male connector of male, improve the withdrawal force and increase connection stability.

In the description of the present specification, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated, merely to distinguish technical features having similar structures or similar functions.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of other technical solutions that are changed or replaced within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. A USB female socket, characterized in that, the female socket comprises an outer shell, an insulator group, a contact element, the contact element is arranged in the insulator group, the outer shell is sleeved outside the insulator group; the contact piece is sequentially provided with a contact section, a main body section and a welding section, the insulator group comprises a first insulator and a second insulator, the front end of the first insulator is provided with a tongue plate part, and the contact section is arranged on the tongue plate part; the second insulator is connected to a rear end of the tongue portion, the main body section is disposed in the second insulator, and the welding section protrudes from the second insulator.

2. The female jack of claim 1, wherein the first insulator further comprises a base portion and two clamping arms, the base portion being connected to a rear end of the tongue portion; the two clamping arms are arranged on two sides of the base portion, the clamping arms and the tongue plate portion are respectively located at two ends of the base portion, and the second insulator is arranged between the two clamping arms.

3. The female jack according to claim 2, wherein the base portion is provided with a snap hole therethrough, and the front end of the second insulator is provided with a barb portion which passes through the snap hole and hooks on both side lands of the snap hole.

4. The female jack of claim 3, wherein the clamping arm includes a position limiting portion that limits the second insulator.

5. The female socket according to claim 4, wherein the stopper comprises a stopper groove and a stopper surface, the stopper groove is disposed on the bottom surface of the holding arm, and the stopper surface is disposed on the top surface of the holding arm; the second insulator is provided with limiting convex strips at two sides of the bottom surface thereof, and the limiting convex strips are inserted into the limiting grooves; the two sides of the top surface of the second insulator and the limiting surface are mutually abutted.

6. The female jack of claim 5, wherein raised bumps are provided on the top surface of the second insulator.

7. The female jack of claim 6, wherein the second insulator comprises two raised projections forming an elongated gap therebetween, and the outer shell has an internal recess formed therein in a clearance fit with the elongated gap.

8. The female socket according to claim 6, wherein a limiting notch is formed in the rear end of the heightening bump, and a first backstop elastic sheet is arranged at the rear end of the outer shell and abuts against the limiting notch.

9. The female jack of claim 2, wherein the base portion comprises a blocking slot, and the outer shell is provided with a blocking spring, the blocking spring blocking the blocking slot; the clamping arm comprises a groove and a stopping convex part, the stopping convex part is arranged in the groove, the outer shell is provided with a second stopping elastic sheet, and the second stopping elastic sheet supports against the stopping convex part.

10. The female jack according to claim 9, wherein a fixing leg is provided at a rear end of the outer housing, and a fixing elastic piece is provided on the fixing leg.