CN112952469B

CN112952469B - USB joint

Info

Publication number: CN112952469B
Application number: CN202110117828.5A
Authority: CN
Inventors: 吴维亮
Original assignee: Singatron Electronic China Co Ltd
Current assignee: Singatron Electronic China Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2022-12-02
Anticipated expiration: 2041-01-28
Also published as: CN112952469A

Abstract

The invention relates to the technical field of electrical connectors, and discloses a USB connector, which comprises: the upper connecting assembly comprises an upper molding part and an upper terminal row packaged in the upper molding part; the lower connecting assembly comprises a lower molding part and a lower terminal row packaged in the lower connecting assembly, and the upper connecting assembly is clamped with the lower connecting assembly; the metal partition plate is clamped between the upper connecting assembly and the lower connecting assembly, the intermetallic partition plate comprises a main partition plate, two sides of the front end of the main partition plate are respectively provided with a laterally extending inserting lug, the inserting lugs are perpendicularly bent relative to the main partition plate, the rear end of the main partition plate is at least symmetrically provided with two supporting lugs, a supporting boss is arranged on the lower molding piece, and the supporting lugs are supported on the supporting boss. The USB connector provided by the invention has the advantages of firm splicing, wear resistance, long service life, stable and reliable data transmission and the like.

Description

USB joint

Technical Field

The invention relates to the technical field of electrical connectors, in particular to a USB connector.

Background

The USB connector is used for serial communication, has the advantages of high transmission speed, simple power supply, convenience in installation and configuration, good compatibility and wide application. The plug that USB connects under the prior art needs to rely on the side of metal space bar and the friction realization relatively fixed between the lateral wall of the USB interface that docks, and the live time is long, and wearing and tearing appear easily in the intermetallic baffle, lead to USB to connect the grafting not firm, influence data transmission. And, the intermetallic baffle presss from both sides the dress at last coupling assembling under and between the coupling assembling, and USB connects under the prior art and does not fix a position the intermetallic baffle, and the coplane degree and the fixed effect of metal space bar are poor, lead to the intermetallic baffle to warp easily or become flexible and then influence data transmission effect.

Disclosure of Invention

Based on the above, the present invention is directed to provide a USB connector, so as to solve the technical problem that the intermetallic partition plate of the USB connector in the prior art is easily worn and loosened, which causes poor data transmission.

In order to achieve the purpose, the invention adopts the following technical scheme:

provided is a USB connector including:

the upper connecting assembly comprises an upper molding part and an upper terminal row packaged in the upper molding part;

the lower connecting assembly comprises a lower molding part and a lower terminal row packaged in the lower connecting assembly, and the upper connecting assembly is clamped with the lower connecting assembly;

the metal space bar presss from both sides and is in go up coupling assembling with between the coupling assembling down, the intermetallic baffle includes main baffle, the front end both sides of main baffle respectively are provided with a lateral extension's grafting ear, the grafting ear for main baffle buckles perpendicularly, the rear end symmetry at least of main baffle is provided with two and supports the ear, mould down and be provided with the support boss on the piece, support the ear support in support on the boss.

As a preferred scheme of the USB connector, an insertion groove is formed in the front end of the main partition plate, a first end of the insertion lug is connected to the main partition plate, a second end of the insertion lug bends toward the front end of the main partition plate and is clamped in the insertion groove, and the insertion lug and the main partition plate enclose to form a buffer space.

As a preferred scheme that USB connects, support the ear including connecting portion and supporting part, the both ends of connecting portion respectively with main baffle with the supporting part links to each other, the supporting part with main baffle is parallel, support the boss set up in lower mould piece orientation go up a side surface of mould piece, the supporting part support in support on the boss.

As a preferred scheme of the USB connector, the upper terminal row includes a plurality of upper connection terminals arranged at intervals, the upper molding member is encapsulated outside the upper terminal row by injection molding, a plurality of upper terminal holes are formed in the upper molding member, the plurality of upper connection terminals are arranged in the plurality of upper terminal holes one by one, the upper surface of the first end of each upper connection terminal protrudes out of the upper terminal hole, and the second end of each upper connection terminal integrally extends out of the upper terminal hole;

lower terminal row includes the lower terminal that a plurality of intervals were arranged, the lower mould through injection moulding's mode encapsulate in the terminal row is outer down, the shaping has a plurality of lower terminal holes in the lower mould, and is a plurality of lower terminal sets up one by one in a plurality of in the lower terminal hole, the lower surface evagination of the first end of lower terminal in lower terminal hole, the second end of lower terminal wholly stretch out in outside the lower terminal hole.

As a preferred scheme that USB connects, two of lower mould piece both sides lower binding post is ground terminal, the symmetry is provided with two ground lugs on the main partition board, two ground lug passes lower terminal hole and with ground terminal butt.

As an optimal selection scheme of the USB connector, a positioning buckle is arranged on the side face of the upper molding part, a first positioning groove and a second positioning groove are formed in the side face of the main partition plate and the side face of the lower molding part respectively, and the positioning buckle is clamped in the first positioning groove and the second positioning groove.

As a preferred scheme of the USB connector, a clamping buckle is arranged on a side surface of the upper molding part, a first clamping table and a second clamping table are respectively arranged on the front side wall and the rear side wall of the clamping buckle, and the first clamping table and the second clamping table are both provided with upward clamping surfaces;

the side of lower mould plastic part has seted up the joint draw-in groove, the front and back both sides wall of joint draw-in groove is provided with third ka tai and fourth ka tai respectively, the third ka tai with the fourth ka tai all has the joint face down, go up the mould plastic part with down behind the mould plastic part block, first ka tai with third ka tai joint, the second ka tai with fourth ka tai joint.

The USB connector preferably further comprises a shaping molding part, and the shaping molding part is packaged outside the middle of the whole formed by buckling the upper connecting component and the lower connecting component.

As a preferable mode of the USB connector, the USB connector further includes an end molding member, the end molding member is enclosed in a front end of an integral body formed by the upper connection member and the lower connection member being engaged, and the end molding member surrounds front ends of the upper terminal row and the lower terminal row.

As a preferable scheme of the USB connector, the USB connector further includes a shaping housing, the shaping housing is enclosed outside an entirety formed by the upper connection assembly, the lower connection assembly, the shaping mold, and the end mold, and the shaping housing forms an insertion space for electrical connection.

The invention has the beneficial effects that:

the front end of the metal partition plate of the USB joint provided by the invention is provided with the extended inserting lug which is provided with the longitudinal friction surface, so that the friction force between the metal inserting plate and the side wall of the butted USB interface can be improved, and the inserting stability and the service life of the USB joint are further improved; and the rear end of metal space bar is provided with the support ear, is provided with the support boss on the lower mould piece, and the support boss can form good support to supporting the ear, has improved the coplane degree and the fixed effect of metal space bar, and then has improved the overall structure steadiness and the use reliability that USB connects, has guaranteed data transmission's steady.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a USB connector according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a disassembled USB connector according to an embodiment of the present invention;

fig. 3 is an assembly structure view of an upper connecting assembly, a lower connecting assembly and a metal partition plate according to an embodiment of the present invention;

FIG. 4 is an enlarged view at I of FIG. 3;

FIG. 5 is a schematic, broken away view of the structure shown in FIG. 3;

FIG. 6 is an enlarged view at J in FIG. 3

FIG. 7 is a schematic structural diagram of a metal spacer according to an embodiment of the present invention;

fig. 8 is an assembly structure view of the metal partition plate and the lower connecting assembly provided in the embodiment of the present invention.

The figures are labeled as follows:

1. an upper connection assembly; 11. molding the plastic part; 111. an upper terminal hole; 112. positioning a buckle; 113. clamping a buckle; 1131. a first chuck table; 1132. a second chuck table; 12. an upper terminal row; 2. a lower connecting assembly; 21. lower molding; 211. supporting the boss; 212. a lower terminal hole; 213. a second positioning groove; 214. clamping the clamping groove; 2141. a third clamping table; 2142. a fourth chuck; 22. a lower terminal row; 3. a metal spacer plate; 31. a main partition plate; 311. inserting grooves; 312. a first positioning groove; 32. a plug-in lug; 321. a buffer space; 33. a support ear; 331. a connecting portion; 332. a support portion; 34. a grounding lug; 4. shaping the molded part; 5. an end molding; 6. shaping the shell; 7. and a protective shell.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used based on the orientations or positional relationships shown in the drawings for convenience of description and simplicity of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 8, an embodiment of the present invention provides a USB connector for serial data transmission, which includes an upper connection assembly 1, a lower connection assembly 2, and an inter-metal spacer 3, wherein the upper connection assembly 1 and the lower connection assembly 2 are clamped to each other, and the inter-metal spacer 3 is sandwiched between the upper connection assembly 1 and the lower connection assembly 2. The upper connection assembly 1 includes an upper molding 11 and an upper terminal row 12 encapsulated in the upper molding 11, and the lower connection assembly 2 includes a lower molding 21 and a lower terminal row 22 encapsulated in the lower connection assembly 2.

The intermetallic partition plate 3 is used for arranging the terminal and the lower terminal row 22 on the interval, prevents signal interference, and intermetallic partition plate 3 still is used for the lateral wall friction butt joint with the USB interface that docks simultaneously to realize the relative fixed of USB joint. The intermetallic partition plate 3 comprises a main partition plate 31, two lateral outward inserting lugs 32 are respectively arranged on two sides of the front end of the main partition plate 31, and the inserting lugs 32 are vertically and longitudinally bent relative to the main partition plate 31. The rear end of the main clapboard 31 is at least symmetrically provided with at least two supporting lugs 33, the lower molding part 21 is provided with a supporting boss 211, and the supporting lugs 33 are supported on the supporting boss 211.

The USB joint that this embodiment provided has extensive grafting ear 32, and grafting ear 32 vertically buckles, can increase with the frictional force of the USB interface lateral wall that docks, prevents the transitional wear of intermetallic diaphragm 3, improves the grafting effect of USB joint. Simultaneously, the support ear 33 of 3 rear ends of intermetallic baffles can guarantee main baffle 31 and last mould piece 11 and the coplane degree and the laminating degree of moulding 21 down, prevents that intermetallic baffles 3 from appearing warping and becoming flexible, guarantees USB and connects overall structure's steadiness and intensity.

Specifically, as shown in fig. 3 to 6, the upper terminal row 12 includes a plurality of upper connection terminals arranged at regular intervals, and the upper connection terminals are L-shaped. The upper molding 11 is encapsulated outside the plurality of upper connection terminals. Preferably, the upper molding member 11 is encapsulated outside the upper terminal row 12 by injection molding, a plurality of L-shaped upper terminal holes 111 are formed in the upper molding member 11, and the plurality of upper terminal holes 111 are arranged in the plurality of upper terminal holes one by one. The upper surface of the first end of the upper terminal protrudes out of the upper terminal hole 111, and the second end of the upper terminal integrally protrudes out of the upper terminal hole 111. To ensure insulation, the upper molding member 11 is preferably made of a hard silicone material by injection molding.

The lower terminal row comprises a plurality of lower wiring terminals which are uniformly arranged at intervals, and the lower wiring terminals are L-shaped. Lower molding 21 encapsulates outside lower terminal row 22 through injection moulding's mode, and the shaping has a plurality of lower terminal holes 212 in lower molding 21, and a plurality of lower terminal one by one set up in a plurality of lower terminal holes 212, and the lower surface of the first end of lower terminal is evaginated in lower terminal hole 212, and the second end of lower terminal wholly stretches out outside lower terminal hole 212. The lower molding 21 is preferably made of a hard silicone material by injection molding.

The upper connecting assembly 1 and the lower connecting assembly 2 are connected through clamping, two positioning buckles 112 are symmetrically arranged on two side faces of the upper molding part 11, two second positioning grooves 213 are symmetrically arranged on two side faces of the lower molding part 21, and the positioning buckles 112 are clamped in the second positioning grooves 213. The positioning catch 112 can ensure the positioning accuracy of the upper connecting assembly 1 while preventing lateral movement of the upper connecting assembly 1 relative to the lower connecting assembly 2.

Further, two clamping buckles 113 are symmetrically arranged on two side surfaces of the upper molding part 11, a first clamping table 1131 and a second clamping table 1132 are respectively arranged on the front side wall and the rear side wall of each clamping buckle 113, and the first clamping table 1131 and the second clamping table 1132 both have upward clamping surfaces. Two clamping grooves 214 are symmetrically formed in two side faces of the lower molding part 21, a third clamping table 2141 and a fourth clamping table 2142 are respectively arranged on the front side wall and the rear side wall of each clamping groove 214, and the third clamping table 2141 and the fourth clamping table 2142 both have downward clamping surfaces. After the upper molding part 11 and the lower molding part 21 are clamped, the first clamping platform 1131 is clamped with the third clamping platform 2141, the clamping surface of the first clamping platform 1131 is opposite to and abutted against the clamping surface of the third clamping platform 2141, and the second clamping platform 1132 is clamped with the fourth clamping platform 2142. The clamping surfaces of the second clamping platform 1132 and the fourth clamping platform 2142 are opposite and abutted against each other. The cooperation of joint buckle 113 and joint draw-in groove 214 can further improve the joint fastening nature of going up coupling assembling 1 and lower coupling assembling 2, prevents to go up coupling assembling 1 for the longitudinal movement of lower coupling assembling 2.

As shown in fig. 7, the intermetallic separator 3 includes a main separator 31, two insertion lugs 32 and at least two support lugs 33, the two insertion lugs 32 are symmetrically disposed at two sides of the front end of the main separator 31, and the at least two support lugs 33 are symmetrically disposed at the rear end of the main separator 31. The insertion lug 32 extends to the outer side of the main partition plate 31, a first end of the insertion lug 32 is connected with the main partition plate 31, a main body of the insertion lug 32 is vertically bent relative to the main partition plate 31, a second end of the insertion lug 32 is bent towards the main partition plate 31, two insertion grooves 311 are formed in the front end of the main partition plate 31, and the insertion lug 32 is inserted into the insertion grooves 311. The insertion lug 32 and the main partition plate 31 are surrounded to form a buffer space 321, and the buffer space 321 can enable the insertion lug 32 to generate elastic deformation when being subjected to lateral pressure, meanwhile, the insertion lug 32 is prevented from being broken, and the insertion reliability of the USB connector is improved.

Further, two sides of the middle portion of the main partition 31 are further provided with a first positioning groove 312, the first positioning groove 312 is aligned with the two second positioning grooves 213 on the lower molding part 21, and when the upper molding part 11 is clamped with the lower molding part 21, the positioning fastener 112 is clamped in the first positioning groove 312 and the second positioning grooves 213.

The support lug 33 includes a connection portion 331 and a support portion 332, both ends of the connection portion 331 are respectively connected with the main partition 31 and the support portion 332, and the support portion 332 is parallel to the main partition 31 and extends toward a direction away from the main partition 31. As shown in fig. 8, the lower mold 21 is provided with at least two support bosses 211 on one side surface thereof facing the upper mold 11, and the support lugs 33 are supported on the support bosses 211. Optionally, 2 to 6 support lugs 33 and support bosses 211 are provided to improve the coplanarity of the intermetallic partition plate 3 and the lower molding part 21. The plurality of support lugs 33 are provided at equal intervals at the rear end of the main partition 31, and the plurality of support bosses 211 are provided at equal intervals along the upper surface of the upper mold 11.

The upper terminal row 12 and the lower terminal row 22 of the USB connector both have grounding requirements, and the USB connector is grounded through the intermetallic partition plate 3 in this embodiment. Specifically, the two lower terminal strips on the two sides of the lower terminal row 22 are grounding terminals, and two grounding lugs 34 bent downward are disposed on the main partition 31, and the grounding lugs 34 pass through the lower terminal holes 212 and contact the grounding terminals. The grounding mode can improve the high-frequency performance of data transmission of the USB connector and improve the information transmission quality.

The USB connector provided in this embodiment further includes a molding member 4 and an end molding member 5, wherein the molding member 4 is packaged at the outer side of the middle portion of the whole formed by the upper connecting assembly 1 and the lower connecting assembly 2. The end molding 5 is enclosed in the front end of the whole formed by the upper connection member 1 and the lower connection member 2 being snap-fitted, and the end molding 5 surrounds the front ends of the upper terminal row 12 and the lower terminal row 22 and a part of the bayonet lugs 32. The sizing mold 4 and the end mold 5 are used to encapsulate the upper connecting member 1, the lower connecting member 2 and the intermetallic separator 3 as a whole to prevent the scattering. In order to ensure the insulativity, the shaping molding piece 4 and the end portion molding piece 5 are made of hard silica gel materials, and the shaping molding piece 4 and the end portion molding piece 5 are packaged outside the upper connecting assembly 1 and the lower connecting assembly 2 in an integrated injection molding mode.

Further, the USB connector provided in the embodiment of the present invention further includes a shaped housing 6 and a protective housing 7. The shaping shell 6 surrounds the whole formed by the upper connecting component 1, the lower connecting component 2, the shaping molding piece 4 and the end molding piece 5, and the shaping shell 6 forms an insertion space for electrical connection so as to be butted with a slot of a butted USB interface. The protective shell 7 is fixed outside the shaping shell 6 to play a role in protection, and meanwhile, the protective shell 7 is also used for being connected with an external lead wrapping or other components.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.

Claims

1. A USB connector, comprising:

the upper connecting assembly (1), the upper connecting assembly (1) comprises an upper molding piece (11) and an upper terminal row (12) packaged in the upper molding piece (11);

the lower connecting assembly (2), the lower connecting assembly (2) comprises a lower molding part (21) and a lower terminal row (22) packaged in the lower connecting assembly (2), and the upper connecting assembly (1) is clamped with the lower connecting assembly (2);

the metal partition plate (3) is clamped between the upper connecting assembly (1) and the lower connecting assembly (2), the metal partition plate (3) comprises a main partition plate (31), two lateral outward inserting lugs (32) are respectively arranged on two sides of the front end of the main partition plate (31), the inserting lugs (32) are vertically bent relative to the main partition plate (31), at least two supporting lugs (33) are symmetrically arranged at the rear end of the main partition plate (31), a supporting boss (211) is arranged on the lower molding piece (21), and the supporting lugs (33) are supported on the supporting boss (211);

the front end of main baffle (31) is provided with inserting groove (311), the first end of inserting ear (32) with main baffle (31) are connected, the second end of inserting ear (32) is towards main baffle (31) front end bending and joint in inserting groove (311), inserting ear (32) with main baffle (31) enclose and establish and form buffering space (321).

2. The USB connector according to claim 1, wherein the supporting lug (33) includes a connecting portion (331) and a supporting portion (332), both ends of the connecting portion (331) are connected to the main partition (31) and the supporting portion (332), respectively, the supporting portion (332) is parallel to the main partition (31), the supporting boss (211) is disposed on a side surface of the lower molding (21) facing the upper molding (11), and the supporting portion (332) is supported on the supporting boss (211).

3. The USB connector according to claim 1, wherein the upper terminal row (12) includes a plurality of upper terminals arranged at intervals, the upper molding member (11) is encapsulated outside the upper terminal row (12) by injection molding, a plurality of upper terminal holes (111) are formed in the upper molding member (11), the plurality of upper terminals are disposed in the plurality of upper terminal holes (111) one by one, an upper surface of a first end of each upper terminal protrudes out of the upper terminal hole (111), and a second end of each upper terminal integrally protrudes out of the upper terminal hole (111);

lower terminal row (22) include a plurality of lower terminal that the interval was arranged, mould down piece (21) encapsulate through injection moulding's mode in lower terminal row (22) are outer, it has a plurality of lower terminal holes (212), a plurality of to mould down in piece (21) shaping have down terminal hole (212), a plurality of lower terminal sets up one by one in a plurality of in lower terminal hole (212), the lower surface evagination of the first end of lower terminal in lower terminal hole (212), the second end of lower terminal wholly stretch out in lower terminal hole (212) are outer.

4. The USB connector according to claim 3, wherein the two lower connection terminals on both sides of the lower molding member (21) are grounding terminals, and two grounding lugs (34) are symmetrically disposed on the main partition (31), and the two grounding lugs (34) pass through the lower terminal holes (212) and abut against the grounding terminals.

5. The USB connector according to claim 1, wherein a positioning buckle (112) is disposed on a side surface of the upper molding member (11), a first positioning groove (312) and a second positioning groove (213) are respectively disposed on a side surface of the main partition (31) and a side surface of the lower molding member (21), and the positioning buckle (112) is clamped in the first positioning groove (312) and the second positioning groove (213).

6. The USB connector according to claim 1, wherein a clamping buckle (113) is arranged on a side surface of the upper molding part (11), a first clamping platform (1131) and a second clamping platform (1132) are respectively arranged on two front and rear side walls of the clamping buckle (113), and the first clamping platform (1131) and the second clamping platform (1132) both have upward clamping surfaces;

clamping groove (214) have been seted up to the side of lower mould plastic part (21), the front and back both sides wall of clamping groove (214) is provided with third card platform (2141) and fourth card platform (2142) respectively, third card platform (2141) with fourth card platform (2142) all have the joint face down, go up mould plastic part (11) with mould a (21) block back down, first card platform (1131) with third card platform (2141) joint, second card platform (1132) with fourth card platform (2142) joint.

7. The USB connector according to claim 1, characterized by further comprising a molding (4), wherein the molding (4) is encapsulated outside the middle of the whole formed by the snap-fit of the upper connecting component (1) and the lower connecting component (2).

8. The USB connector according to claim 7, characterized by further comprising an end molding (5), wherein the end molding (5) is encapsulated in the front end of the whole formed by the snap-fit of the upper connection assembly (1) and the lower connection assembly (2), and the end molding (5) surrounds the front ends of the upper terminal row (12) and the lower terminal row (22).

9. The USB connector according to claim 8, characterized by further comprising a shaped housing (6), wherein the shaped housing (6) encloses an integral body formed by the upper connection assembly (1), the lower connection assembly (2), the shaped mold (4) and the end mold (5), and the shaped housing (6) forms an insertion space for electrical connection.