CN114122787A

CN114122787A - USB connector

Info

Publication number: CN114122787A
Application number: CN202111448278.1A
Authority: CN
Inventors: 钟振辉
Original assignee: Shenzhen Lianruitong Electronic Technology Co ltd
Current assignee: Shenzhen Lianruitong Electronic Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01

Abstract

The invention discloses a USB connector, which comprises a shielding shell, an insulating body, a connection conduction layer embedded in the insulating body and an independent clamping hook fixing layer, wherein the insulating body is provided with a plug-in tongue piece, the plug-in tongue piece is provided with a first board surface and a second board surface, the connection conduction layer comprises a first connection conduction layer and a second connection conduction layer, and conduction contact parts of the first connection conduction layer and the second connection conduction layer are arranged on the upper side and the lower side of the first board surface and the second board surface of the plug-in tongue piece of the insulating body in a reverse sequence. The invention can reduce the integral bending extrusion of the connecting and conducting terminal surface so as to reduce the conducting performance, and the independent hook convolutes and extends to effectively improve the integral strength of the connector.

Description

USB connector

Technical Field

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

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.

This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

When the current USB connector is used, the strength of the plugging tongue piece is low, the use performance is unstable, the current transmission is unstable, the production cost is higher, and a plurality of defects exist. Further improvement and optimization of the reliability of the product have to be made to solve such problems.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a USB connector, which solves the product requirement of the high-performance conduction transmission connection, reduces the production cost, simplifies the production process, improves the production efficiency, saves the product material consumption and the production development input cost, and develops the USB connector with high efficiency and cost reduction.

The invention is realized by the following technical scheme: the utility model provides a USB connector, including shielding shell, insulator, inlay the connection conduction layer and the independent trip fixed layer of burying in insulator, insulator has the grafting tongue piece, the grafting tongue piece has first face and second face, the connection conduction layer includes that first connection conduction layer and second are connected the conduction layer, first connection conduction layer and second are connected the conduction portion of conducting the conduction layer and are the reverse setting of arranging in proper order at insulator's grafting tongue piece's first face and the upside and the downside of second face.

Preferably, the connection conduction layer is a whole parallel conduction surface formed by cutting and tearing off conduction parts of the plurality of connection conduction terminals in a blanking manner, and the whole parallel conduction surface extends to the fixing part and is embedded in the insertion tongue piece.

As the preferred technical scheme, the independent trip fixed layer is by the trip with the trip position circle around the trip fixed part that extends and form, the tail end of trip fixed part is bent and is formed trip afterbody fixed part, the head of trip fixed part is bent and is formed trip head fixed part, trip head fixed part sets up one and a plurality of convex closure bumps or square hole round hole and strengthens the pulling-out stationary force of trip, the trip circles round and extends to outside the insulator, wholly inlays between the grafting tongue piece.

According to the preferable technical scheme, the connection conduction terminal is composed of a conduction contact part, an inner insulator fixing part and a bending fixing part, the tail end of the bending fixing part is bent to form a pin, the inner insulator fixing part and the bending fixing part are embedded in an insulator, and the conduction contact part leaks out of the plugging tongue piece.

As a preferred technical solution, the connection conduction terminal on the first board surface of the insertion tongue plate includes a first ground terminal, a first power terminal, and a first signal terminal, the connection conduction terminal on the second board surface of the insertion tongue plate includes a second ground terminal, a second power terminal, a second signal terminal, a first ground terminal, a first power terminal), and the first signal terminal are embedded in the first board surface of the insertion tongue plate in parallel, respectively, and the second ground terminal, the second power terminal, and the second signal terminal are embedded in the second board surface of the insertion tongue plate in parallel, respectively.

Preferably, the heads of the conductive contact parts are all formed into C-angle fixing parts of 30-70 degrees.

According to the preferable technical scheme, a peripheral guide surface is formed on the periphery of the insulator, sliding fit guide surfaces are formed on two sides of the inserting tongue piece when the male head is inserted, and a head guide surface is formed on the front side and the back side of the head of the inserting tongue piece.

As the preferred technical scheme, a plurality of shielding shell fixing positions are arranged on the front side and the back side of the insulator, shielding shell fixing pins are arranged on the shielding shell opposite to the shielding shell fixing positions, and after the insulator is arranged in the shielding shell, the shielding shell fixing pins are buckled into the shielding shell fixing positions.

As a preferred technical scheme, a sunken insulator limiting port is further formed in the insulator, a corresponding insulator limiting clamping point is arranged on the shielding shell right opposite to the insulator limiting port, the insulator limiting clamping point is buckled into the insulator limiting port, the upper center position and the lower center position of the insertion tongue plate are controlled after the shielding shell is packaged, and the upper insulator limiting clamping point and the lower insulator limiting clamping point are in the same vertical parallel position.

The invention has the beneficial effects that: the independent clamping hook is arranged in a manner that convex protrusions and square holes are added on the upper portion and the lower portion of the plane of the clamping hook portion to enhance the firmness of the clamping hook, and the fixing portion embedded in the insulator is enhanced in a manner of extending to the fixing portion in a rotating mode, so that the plugging effect is achieved more effectively. Due to the arrangement of the independent clamping hook, the conduction of the contact terminal is not influenced in the plugging process, and the strength of the plugging tongue plate is enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of the connector of the present invention;

FIG. 2 is a schematic front view of the docking tongue of the present invention;

FIG. 3 is a schematic reverse side view of the connector tongue of the present invention;

FIG. 4 is a schematic front view of a connection terminal of the present invention;

fig. 5 is a perspective view of a connection terminal of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the USB connector of the present invention includes a shielding case 700, an insulating body 500, a connection conducting layer embedded in the insulating body, and an independent hook fixing layer 400, wherein the insulating body has a plug tongue 600, the plug tongue 600 has a first board surface 5 and a second board surface 8, the connection conducting layer includes a first connection conducting layer and a second connection conducting layer, and the conduction contact portions of the first connection conducting layer 200 and the second connection conducting layer 300 are arranged in reverse order on the upper side and the lower side of the first board surface 5 and the second board surface 8 of the plug tongue of the insulating body.

Wherein, connect the face that switches on that the conduction portion that switches on the terminal by a plurality of connections cuts and tears the parallel face that switches on of whole that forms of cutting with the unloading, and whole parallel extension is inlayed in the grafting tongue piece to the fixed part.

As shown in fig. 5, the independent hook fixing layer is composed of a hook fixing portion 31 extending from a hook 32 in a circling manner, a hook tail fixing portion 34 is formed by bending the tail end of the hook fixing portion 31, a hook head fixing portion 33 is formed by bending the head of the hook fixing portion 31, the hook head fixing portion 33 is provided with one or more convex protrusions 35 or square holes to enhance the pulling fixing force of the hook, the hook 32 is extended out of the insulator in a circling manner, and the hook is embedded between the insertion tongue pieces. The invention adopts the independent hook arrangement, and the conductive contact terminal can not be influenced in the plugging process and the strength of the plugging tongue plate is enhanced.

The connecting and conducting terminal is composed of a conducting contact part, an insulator inner fixing part 42 and a bending fixing part 24, the tail end of the bending fixing part 24 is bent to form a pin 100, the insulator inner fixing part 42 and the bending fixing part 24 are embedded in the insulator, and the conducting contact part leaks out of the plugging tongue piece.

As shown in fig. 2, the connecting and conducting terminal on the first board surface of the plug tongue plate includes a first ground terminal 21, a first power terminal 23, and a first signal terminal 25, as shown in fig. 3, the connecting and conducting terminal on the second board surface of the plug tongue plate includes a second ground terminal 27, a second power terminal 26, and a second signal terminal 24, the first ground terminal 21, the first power terminal 23, and the first signal terminal 25 are embedded in the first board surface of the plug tongue plate in parallel, and the second ground terminal 27, the second power terminal 26, and the second signal terminal 24 are embedded in the second board surface of the plug tongue plate in parallel.

The head parts of the conduction contact parts are all formed into angle C fixing parts 28 of 30-70 degrees, and the parallel embedding fixing effect of the connection conduction parts is effectively fixed.

Wherein, the periphery of the insulator forms a peripheral guide surface, the two sides of the plugging tongue piece respectively form a sliding guide surface 11 when the male head is inserted, and the front and back surfaces of the head part of the plugging tongue piece form a head part guide surface 6.

The front and back of the insulator are provided with a plurality of shielding shell fixing positions 3, the shielding shell is provided with shielding shell fixing pins 311 opposite to the shielding shell fixing positions, and after the insulator is installed in the shielding shell, the shielding shell fixing pins 311 are buckled into the shielding shell fixing positions 3.

The insulator is further provided with a sunken insulator limiting port 9, a corresponding insulator limiting clamping point 911 is arranged on the shielding shell right facing the insulator limiting port, the insulator limiting clamping point 911 is buckled into the insulator limiting port 9, the upper middle position and the lower middle position of the insertion tongue plate are controlled after the shielding shell is packaged, and the upper insulator limiting clamping point 11 and the lower insulator limiting clamping point 11 are in the same vertical parallel position.

In the embodiment, the whole conducting parts of the plurality of connecting and conducting terminals adopt plane blanking, so that bending is reduced, the strength of the inserting tongue plate is enhanced, the first layout and the second layout of the contact part are farther away from each other, and the whole body is in parallel contact, so that the transmission contact performance is improved.

The USB connector is composed of four parts, can be used for current transmission or signal transmission, is a novel universal interface which is extremely applicable and wide, and adopts a shielding shell, a binding body, an upper row of a plugging tongue piece and a symmetrical lower row of a connecting conducting terminal and an independent clamping hook at the middle layer. The effectual intensity of having solved the grafting tongue piece, the blind plug hidden danger of positive and negative inserting, trip and the separation that connects the terminal to the reliability and the durability of product have been promoted.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A USB connector, comprising: including shielding case (700), insulator (500), inlay connection conducting layer and independent trip fixed layer (400) of burying in insulator, insulator has grafting tongue piece (600), grafting tongue piece (600) have first face (5) and second face (8), connection conducting layer includes that first connection conducting layer is connected with the second and is conducted the layer, first connection conducting layer (200) is connected the upside and the downside of the contact site that switches on of conducting layer (300) at insulator's grafting tongue piece first face (5) and second face (8) and is the reverse setting of arranging in proper order with the second.

2. The USB connector of claim 1, wherein: the connection conduction layer is formed by a plurality of conduction parts of the connection conduction terminals through blanking cutting and tearing cutting, and the connection conduction layer integrally extends to the fixing part in parallel and is embedded in the insertion tongue piece.

3. The USB connector of claim 1, wherein: independent trip fixed bed is by trip (32) with the trip position circle round trip fixed part (31) that extend out and constitute, the tail end of trip fixed part (31) is bent and is formed trip afterbody fixed part (34), the head of trip fixed part (31) is bent and is formed trip head fixed part (33), trip head fixed part (33) set up one and a plurality of convex closure bump (35) or square hole round hole and strengthen the pulling-out fixed power of trip, trip (32) circle round and extend outside the insulator, wholly inlay between the grafting tongue piece.

4. The USB connector of claim 1, wherein: the insulator is further provided with a sunken insulator limiting port (9), a corresponding insulator limiting clamping point (911) is arranged on the shielding shell right facing the insulator limiting port, the insulator limiting clamping point (911) is buckled into the insulator limiting port (9), the upper and lower middle positions of the plug-in tongue plate are controlled after the shielding shell is packaged, and the upper and lower insulator limiting clamping points (11) are in the same vertical parallel position.

5. The USB connector of claim 2, wherein: the connection conduction terminal is composed of a conduction contact part, an insulator inner fixing part (42) and a bending fixing part (24), the tail end of the bending fixing part (24) is bent to form a pin (100), the insulator inner fixing part (42) and the bending fixing part (24) are embedded in an insulator body, the conduction contact part leaks out of an insertion tongue piece, and the insulator inner fixing part (42) and the bending fixing part (24) extend into the insulator body in parallel and form the pin (100) to leak out of the insulator body.

6. The USB connector of claim 4, wherein: the heads of the conductive contact parts are all formed into C-angle fixing parts (28) of 30-70 degrees.

7. The USB connector of claim 1, wherein: the connection conduction terminal on the first plate surface of the plug tongue plate comprises a first grounding terminal (21), a first power terminal (23) and a first signal terminal (25), the connection conduction terminal on the second plate surface of the plug tongue plate comprises a second grounding terminal (27), a second power terminal (26) and a second signal terminal (24), the first grounding terminal (21), the first power terminal (23) and the first signal terminal (25) are embedded in the first plate surface of the plug tongue plate in parallel respectively, and the second grounding terminal (27), the second power terminal (26) and the second signal terminal (24) are embedded in the second plate surface of the plug tongue plate in parallel respectively.

8. The USB connector of claim 1, wherein: the periphery of the insulator forms a peripheral guide surface, two sides of the plugging tongue piece respectively form a sliding fit guide surface (11) when the male head is inserted, and the front and back surfaces of the head part of the plugging tongue piece form a head part guide surface (6).

9. The USB connector of claim 1, wherein: the front side and the back side of the insulator are provided with a plurality of shielding shell fixing positions (3), shielding shell fixing pins (311) are arranged on the shielding shell opposite to the shielding shell fixing positions, and after the insulator is installed in the shielding shell, the shielding shell fixing pins (311) are buckled into the shielding shell fixing positions (3).