CN216698810U

CN216698810U - SMD USB3.0 connector of high torsional strength

Info

Publication number: CN216698810U
Application number: CN202123126316.XU
Authority: CN
Inventors: 刘旺华
Original assignee: Dongguan Sanji Electronic Co ltd
Current assignee: Dongguan Sanji Electronic Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-07
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a high-torsion strength patch type USB3.0 connector, which comprises: the insulation structure comprises an insulation body, an upper row of terminals and a lower row of terminals which are arranged in the insulation body and distributed in parallel up and down, and a metal shell sleeved on the insulation body, wherein the upper row of terminals and the lower row of terminals are arranged in a plurality of rows, and the rear ends of the upper row of terminals and the lower row of terminals are arranged linearly; the rear end of the insulating body is provided with a positioning lug which is used for separating the upper row of terminals and the lower row of terminals one by one at intervals, and the positioning lug can be clamped on the upper row of terminals and the lower row of terminals through hot riveting. The upper row of terminals and the lower row of terminals are arranged in pairs through the positioning lugs arranged at the rear end of the insulation body, the positioning lugs are pressed into clamping planes which are pressed on the upper row of terminals and the lower row of terminals by utilizing a hot riveting process, the rear ends of the upper row of terminals and the lower row of terminals are fixed, the welding pins of the upper row of terminals and the lower row of terminals are arranged at the rear end of the insulation body at linear intervals, the stability of pins of the connector is improved, and the pins are prevented from being loosened due to frequent plugging.

Description

SMD USB3.0 connector of high torsional strength

The technical field is as follows:

the utility model relates to the field of connectors, in particular to a patch type USB3.0 connector with high torsion strength.

The background art comprises the following steps:

USB is the Universal Serial Bus (USB), the name of which is Universal Serial Bus. A way for communicating electronic products. The method is applied to various types of mobile, audio-visual, automotive electronics, multimedia, electric appliances and the like. Have been widely adopted in various types of external devices. The USB interface has the characteristics of higher transmission speed, hot plugging support and connection of a plurality of devices. The USB interfaces are three types, namely USB1.1, USB2.0 and USB 3.0. Theoretically, the transmission speed of the USB1.1 can reach 12 Mbps/second, the speed of the USB2.0 can reach 480 Mbps/second, and the USB1.1 can be downward compatible. The USB3.0 transmission rate is approximately 3.2Gbps (i.e., 320 MB/S). The theoretical highest rate is 5.0Gbps (i.e., 500 MB/S).

At present, torsional strength of a USB3.0 connector on the market is not enough, and looseness and breakage are easy to occur in the process of frequent plugging and unplugging use, so that poor contact is caused, and the use of a user is influenced.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects in the prior art and provides a patch type USB3.0 connector with high torsional strength.

In order to solve the technical problems, the utility model adopts the following technical scheme: a high torsional strength patch type USB3.0 connector, comprising: the terminal comprises an insulating body, an upper row of terminals and a lower row of terminals which are arranged in the insulating body and distributed in parallel up and down, and a metal shell sleeved on the insulating body, wherein the upper row of terminals and the lower row of terminals are arranged in a plurality, and the rear ends of the upper row of terminals and the lower row of terminals are linearly arranged; the rear end of the insulating body is provided with a plurality of positioning lugs which are used for positioning the upper row of terminals and the lower row of terminals and separating the upper row of terminals and the lower row of terminals one by one at intervals, and the positioning lugs can be tightly clamped on the upper row of terminals and the lower row of terminals through hot riveting.

Further, in the above technical solution, the first and second solder legs are symmetrically arranged on two sides of the front end of the metal shell in a reverse-folded manner, and the third and fourth solder legs are symmetrically arranged on two sides of the rear end of the metal shell; the rear end of the metal shell is provided with a fixing baffle which is turned over downwards and used for fastening and fixing the insulating body, the fixing baffle is positioned on the upper portion of the insulating body, and the rear end pins of the upper row of terminals and the lower row of terminals are positioned on the lower portion of the insulating body.

Furthermore, in the above technical solution, two sides of the rear end of the metal shell are further provided with a first elastic clamping block and a second elastic clamping block which are symmetrically protruded inwards and used for elastically clamping the insulation body, and lateral sides of the first elastic clamping block and the second elastic clamping block are respectively provided with a first clamping protrusion and a second clamping protrusion which are symmetrically protruded inwards and used for clamping the insulation body; the rear end both sides of insulator be provided with respectively with first elasticity fixture block with second elasticity fixture block matches first screens groove and the second screens groove that corresponds the chucking, just first screens groove with second screens groove side be provided with respectively with protruding first constant head tank and the second constant head tank that matches the location of first screens arch and second screens arch.

Furthermore, in the above technical solution, a positioning insertion plate for inserting into the insulating body is disposed at the lower part of the rear end of the metal shell, and a first clamping point protrusion and a second clamping point protrusion for clamping the insulating body are formed at two sides of the positioning insertion plate; the front end both sides of metal casing are provided with first elasticity card arm and the second elasticity card arm that inwards symmetry is protruding and be used for elasticity chucking plug respectively, metal casing's front end upper portion is provided with two inwards symmetry side by side protruding and be used for the elasticity chucking the third elasticity card arm of plug, metal casing's front end lower part is provided with two inwards symmetry side by side protruding and be used for the elasticity chucking the fourth elasticity card arm of plug.

Further, in the above technical solution, the insulation body includes a rear seat, a tongue plate formed at an upper end of the rear seat and used for fixing the upper row of terminals and the lower row of terminals, and a bottom plate formed at a lower end of the rear seat and parallel to the tongue plate, wherein the tongue plate is inserted into the metal shell, and the bottom plate is pressed against a lower surface of a lower portion of the metal shell.

Furthermore, in the above technical solution, the upper row of terminals includes five, the lower row of terminals includes four, five mounting slots for mounting the upper row of terminals are formed in the tongue plate, the front end of the upper row of terminals extends out of the mounting slots and is exposed in the metal shell for contacting with the plug, and the lower row of terminals is mounted below the mounting slots and has a middle portion exposed in the metal shell for contacting with the plug.

Furthermore, in the above technical solution, a reinforced inverted rib angle is disposed at a connection position of the tongue plate and the rear seat, a first reinforced convex rib is disposed at a middle portion of the upper row of terminals, and a second reinforced convex rib is disposed at a bending position of the lower row of terminals.

After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the positioning lug used for positioning the upper row of terminals and the lower row of terminals is arranged at the rear end of the insulating body, and the positioning lug is pressed into the clamping plane which is pressed on the upper row of terminals and the lower row of terminals by using a hot riveting process, so that the rear ends of the upper row of terminals and the lower row of terminals are fixed, pins of the upper row of terminals and the lower row of terminals are linearly arranged at the rear end of the insulating body at intervals, the stability of the pins of the connector is improved, the pins are prevented from being loosened due to frequent plugging, and poor contact is avoided.

Description of the drawings:

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

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

FIG. 3 is a first perspective view of the insulator of the present invention;

FIG. 4 is a second perspective view of the insulator of the present invention;

FIG. 5 is a perspective view of the present invention;

FIG. 6 is an internal structural view of the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 2.

The specific implementation mode is as follows:

the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1 to 7, a high-torsion-strength patch USB3.0 connector includes: the terminal comprises an insulating body 1, an upper row of terminals 2 and a lower row of terminals 3 which are arranged in the insulating body 1 and distributed in parallel up and down, and a metal shell 4 sleeved on the insulating body 1, wherein a plurality of the upper row of terminals 2 and the lower row of terminals 3 are arranged, and the rear ends of the upper row of terminals 2 and the lower row of terminals 3 are linearly arranged; the rear end of the insulating body 1 is provided with a plurality of positioning bumps 10 for positioning the upper row of terminals 2 and the lower row of terminals 3 and separating the upper row of terminals 2 and the lower row of terminals 3 one by one at intervals, and the positioning bumps 10 can be clamped on the upper row of terminals 2 and the lower row of terminals 3 through hot riveting. The adoption sets up the locating convex block 10 that is used for the terminal 2 and the lower terminal 3 of arranging in the location at insulator 1's rear end, and utilize the hot riveting technology with locating convex block 10 to press into the tight plane of clamp of propping to pressing on last terminal 2 and lower terminal 3 of arranging, thereby the rear end that will arrange terminal 2 and lower terminal 3 of arranging is fixed, make the leg that goes up terminal 2 and lower terminal 3 of arranging be linear interval arrangement in insulator 1 rear end, promote the stability of connector pin, prevent that frequent plug from leading to the pin not hard up, avoid appearing contact failure. Secondly, through adopting the rivet hot to fix in the leg department of last row of terminal 2 and lower row of terminal 3, prevent every terminal perk PIN, make the terminal paste tight plastic face, the coplane degree is stable.

The first welding leg 41 and the second welding leg 42 which are symmetrically distributed are reversely folded at two sides of the front end of the metal shell 4, and the third welding leg 43 and the fourth welding leg 44 are symmetrically arranged at two sides of the rear end of the metal shell 4; the rear end of the metal shell 4 is provided with a fixing baffle 45 which is turned over downwards and used for fastening and fixing the insulating body 1, the fixing baffle 45 is positioned at the upper part of the insulating body 1, and the rear end pins of the upper row of terminals 2 and the lower row of terminals 3 are positioned at the lower part of the insulating body 1. Set up first leg 41 and second leg 42 through the reverse book backward in metal casing 4's both sides to improve metal casing 4 welded stability, strengthen the connector torsional property, prevent that metal casing 4 from rocking and causing row's terminal 2 and/or row's terminal 3 to become flexible in the plug in-process production. Namely: two sides of the socket end of the metal shell 4 are respectively bent reversely to lead out a welding leg, so that the fixed torsion strength of the whole product after board welding and the PCB is improved.

A first elastic clamping block 46 and a second elastic clamping block 47 which are symmetrically and inwardly protruded and are used for elastically clamping the insulating body 1 are further arranged on two sides of the rear end of the metal shell 4, and a first clamping protrusion 48 and a second clamping protrusion 49 which are symmetrically and inwardly protruded and are used for clamping the insulating body 1 are respectively arranged on the lateral sides of the first elastic clamping block 46 and the second elastic clamping block 47; the rear end both sides of insulator 1 be provided with respectively with first elasticity fixture block 46 with second elasticity fixture block 47 matches first screens groove 11 and the second screens groove 12 that corresponds the chucking, just first screens groove 11 with second screens groove 12 side is provided with respectively with first constant head tank 13 and the second constant head tank 14 that the protruding 48 of first screens and the protruding 49 matching of second screens were fixed a position. The first clamping groove 11 and the second clamping groove 12 are both provided with clamping blocks. The first elastic clamping block 46 and the second elastic clamping block 47 are both formed in a punch forming mode and are wedge-shaped.

A positioning insertion plate 40 for being inserted into the insulating body 1 is arranged at the lower part of the rear end of the metal shell 4, and a first clamping point protrusion 401 and a second clamping point protrusion 402 for clamping the insulating body 1 are formed on two sides of the positioning insertion plate 40; the front end of the metal shell 4 is provided with a first elastic clamping arm 403 and a second elastic clamping arm 404 which are symmetrically and inwardly protruded and used for elastically clamping the plug, the upper part of the front end of the metal shell 4 is provided with two third elastic clamping arms 405 which are symmetrically and inwardly protruded and used for elastically clamping the plug, and the lower part of the front end of the metal shell 4 is provided with two fourth elastic clamping arms 406 which are symmetrically and inwardly protruded and used for elastically clamping the plug. The rear end of the metal shell 4 is provided with the first clamping point bulge 401 and the second clamping point bulge 402, and the first clamping point bulge 401 and the second clamping point bulge 402 are inserted into the insulation body 1 to be buckled, so that the metal shell 4 is prevented from loosening after being assembled.

The insulation body 1 comprises a rear seat 101, a tongue plate 102 formed at the upper end of the rear seat 101 and used for fixing the upper row of terminals 2 and the lower row of terminals 3, and a bottom plate 103 formed at the lower end of the rear seat 101 and parallel to the tongue plate 102, wherein the tongue plate 102 is inserted into the metal shell 4, and the bottom plate 103 is pressed below the lower part of the metal shell 4.

The upper row of terminals 2 includes five, the lower row of terminals 3 includes four, five mounting slots 104 for mounting the upper row of terminals 2 are formed in the tongue plate 102, the front ends of the upper row of terminals 2 extend out of the mounting slots 104 and are exposed in the metal shell 4 for contacting with the plug, and the lower row of terminals 3 are mounted below the mounting slots 104 and are exposed in the metal shell 4 at the middle for contacting with the plug.

A reinforced inverted rib 105 is arranged at the joint of the tongue plate 102 and the rear seat 101, a first reinforced convex rib 21 is arranged in the middle of the upper row of terminals 2, and a second reinforced convex rib 31 is arranged at the bent part of the lower row of terminals 3. The strength and the torsional strength of the tongue plate 102 are enhanced by arranging the reinforced inverted rib angles 105 at the periphery of the root part of the tongue plate 102, so that the tongue plate is prevented from being broken when a plug is inserted in a blind way or a torsional test is carried out. The second reinforcing rib 31 is provided at the bent root of the lower row of terminals 3, so that elastic deformation of the lower row of terminals 3 in the plugging process can be prevented, and electroplating deformation can be prevented. By providing the second reinforcing bead 21 at the flat section of the upper row of terminals 2, the plating deformation is prevented.

To sum up, during assembly, the upper row of terminals 2 and the lower row of terminals 3 are inserted into the mounting slot 104 of the insulation body 1 one by one, and then the upper row of terminals 2 and the lower row of terminals 3 are fixed on the insulation body 1 by the heat riveting positioning lug 10, so that the upper row of terminals 2 and the lower row of terminals 3 are stably connected with the insulation body 1 and are not loosened; further, the insulation body 1 is inserted from the rear end of the metal shell 4, the first clamping protrusion 48 and the second clamping protrusion 49 are matched and positioned with the first positioning groove 13 and the second positioning groove 14, the first elastic clamping block 46 and the second elastic clamping block 47 are matched and clamped with the first clamping groove 11 and the second clamping groove 12 to fix the insulation body 1 and the metal shell 4, the fixing baffle 45 is bent downwards to be buckled to the rear end of the insulation body 1, and the insulation body 1 is locked in the metal shell 4, so that the metal shell 4 is stably connected with the insulation body 1; finally, the metal shell 4 is soldered to the circuit board through the first and

second solder fillets

41 and 42 and the third and

fourth solder fillets

43 and 44, thereby achieving stable connection between the metal shell 4 and the circuit board.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a SMD USB3.0 connector of high torsional strength which characterized in that includes: the insulation structure comprises an insulation body (1), an upper row of terminals (2) and a lower row of terminals (3) which are arranged in the insulation body (1) and distributed in parallel up and down, and a metal shell (4) sleeved on the insulation body (1), wherein a plurality of upper row of terminals (2) and a plurality of lower row of terminals (3) are arranged, and the rear ends of the upper row of terminals (2) and the lower row of terminals (3) are linearly arranged; the rear end of the insulating body (1) is provided with a plurality of positioning lugs (10) which are used for positioning the upper row of terminals (2) and the lower row of terminals (3) and separating the upper row of terminals (2) and the lower row of terminals (3) one by one at intervals, and the positioning lugs (10) can be tightly clamped on the upper row of terminals (2) and the lower row of terminals (3) through hot riveting.

2. The high-torsional-strength patch-type USB3.0 connector according to claim 1, wherein: the first welding leg (41) and the second welding leg (42) which are symmetrically distributed are reversely folded at two sides of the front end of the metal shell (4), and the third welding leg (43) and the fourth welding leg (44) are symmetrically arranged at two sides of the rear end of the metal shell (4); the rear end of the metal shell (4) is provided with a fixing baffle (45) which is turned over downwards and used for fastening and fixing the insulating body (1), the fixing baffle (45) is located on the upper portion of the insulating body (1), and rear end pins of the upper row of terminals (2) and the lower row of terminals (3) are located on the lower portion of the insulating body (1).

3. The high-torsional-strength patch-type USB3.0 connector according to claim 2, wherein: a first elastic clamping block (46) and a second elastic clamping block (47) which are symmetrically protruded inwards and used for elastically clamping the insulating body (1) are further arranged on two sides of the rear end of the metal shell (4), and a first clamping protrusion (48) and a second clamping protrusion (49) which are symmetrically protruded inwards and used for clamping the insulating body (1) are respectively arranged on the lateral sides of the first elastic clamping block (46) and the second elastic clamping block (47); the rear end both sides of insulator (1) be provided with respectively with first elastic fixture block (46) with second elastic fixture block (47) match first screens groove (11) and second screens groove (12) that correspond the chucking, just first screens groove (11) with second screens groove (12) side is provided with respectively with protruding (48) of first screens and the protruding (49) first constant head tank (13) and the second constant head tank (14) of matcing the location of second screens.

4. The high-torsional-strength patch-type USB3.0 connector according to claim 3, wherein: a positioning inserting plate (40) used for being inserted into the insulating body (1) is arranged at the lower part of the rear end of the metal shell (4), and a first clamping point bulge (401) and a second clamping point bulge (402) used for clamping the insulating body (1) are formed on two sides of the positioning inserting plate (40); the front end both sides of metal casing (4) are provided with first elasticity card arm (403) and second elasticity card arm (404) that inwards symmetry is protruding and be used for elasticity chucking plug respectively, the front end upper portion of metal casing (4) is provided with two inside symmetry and is protruding and be used for the elasticity chucking side by side the third elasticity card arm (405) of plug, the front end lower part of metal casing (4) is provided with two inside symmetry and is protruding and be used for the elasticity chucking side by side the fourth elasticity card arm (406) of plug.

5. The high-torsional-strength patch-type USB3.0 connector according to claim 4, wherein: the insulating body (1) comprises a rear seat (101), a tongue plate (102) formed at the upper end of the rear seat (101) and used for fixing the upper row of terminals (2) and the lower row of terminals (3), and a bottom plate (103) formed at the lower end of the rear seat (101) and parallel to the tongue plate (102), wherein the tongue plate (102) is inserted into the metal shell (4), and the bottom plate (103) is pressed below the lower part of the metal shell (4).

6. The high-torsional-strength patch-type USB3.0 connector according to claim 5, wherein: the upper row of terminals (2) comprises five terminals, the lower row of terminals (3) comprises four terminals, five mounting groove positions (104) for mounting the upper row of terminals (2) are formed in the tongue plate (102), the front ends of the upper row of terminals (2) extend out of the mounting groove positions (104) and are exposed in the metal shell (4) for being in contact with the plug, and the lower row of terminals (3) are mounted below the mounting groove positions (104) and are exposed in the metal shell (4) at the middle parts for being in contact with the plug.

7. The high-torsional-strength patch-type USB3.0 connector according to claim 5, wherein: a reinforcing inverted rib angle (105) is arranged at the joint of the tongue plate (102) and the rear seat (101), a first reinforcing convex rib (21) is arranged in the middle of the upper row of terminals (2), and a second reinforcing convex rib (31) is arranged at the bending part of the lower row of terminals (3).