CN201378641Y - USB interface receptacle with dual mating surfaces - Google Patents

Abstract

The utility model provides a USB interface socket with double plugging surfaces, which includes a connecting body, a shielding shell, and a conductive terminal assembled on the connecting body. The shielding shell covers the connecting body to form an accommodating space. The middle part of the connecting body protrudes forward to form a carrier, and the carrier divides the accommodation space of the shielding case into upper and lower accommodation spaces, and the conductive terminals are respectively assembled on the upper and lower end surfaces of the carrier . The utility model is provided with conductive terminals on both the upper and lower end surfaces of the carrier body of the socket, so that when the USB plug is inserted in the forward and reverse directions, it can be electrically connected with the conductive terminals to carry out the data transmission of the USB standard protocol, avoiding the reverse direction of the user. It is cumbersome to plug in the USB plug and need to reconnect, which is convenient to use.

Description

USB interface receptacle with dual mating surfaces

【Technical field】

The utility model relates to a socket connector, in particular to a USB interface socket with double plugging surfaces, both of which are USB standard, so that the USB plug can be connected and used when it is inserted forward and reverse.

【Background technique】

The USB connection interface has become a necessary connection interface for current electronic products, such as computers, digital cameras, MP3 players, etc., and the above-mentioned electronic products are mostly provided with interfaces of USB socket connectors.

As shown in Fig. 1 and Fig. 2, the USB socket 100 of the prior art is used for corresponding plugging with the USB plug 200, and the user needs to identify the correct direction in which the USB plug 200 is inserted, that is, the terminal 230 on the tongue plate 210 of the USB plug 200 can The electrical connection between the USB plug 200 and the USB socket 100 can only be achieved by inserting into the USB socket 100 and elastically contacting the socket terminals 120 on the lower surface of the socket body 110 . As shown in Figures 3 and 4, if the USB plug 200 is inserted in the wrong direction, the height between the socket body 110 of the USB socket 100 and the upper inner wall of the metal shell 130 is much smaller than the tongue plate of the USB plug 200 and the connecting terminal 230. Therefore, the USB plug cannot be inserted into the USB socket 100 for use, and the user needs to insert it in the correct direction again before it can be used. Therefore, the USB socket 100 of the prior art requires the user to identify and ensure the correct insertion direction of the USB plug 200 to be plugged into the USB socket 100 every time the user uses it, which is extremely inconvenient to use.

In addition, when people who are not familiar with electronic products, such as old people or children, or when the position of the USB connection port is inconvenient, for example, when the connection port of the USB socket is located on the rear panel of the computer case, if the USB plug is inserted in the wrong direction and the When it is necessary to re-insert correctly again, it will increase the complexity of use in vain and bring great inconvenience to the user.

Therefore, in view of the above-mentioned technical problems of the prior art USB socket, there is an urgent need for a USB socket that facilitates the insertion of the USB plug, without distinguishing the positive and negative directions of the USB plug, and avoiding the cumbersome operation of reinserting the USB plug when it is inserted in the wrong direction. .

【Content of utility model】

The utility model provides a USB interface socket with double plugging surfaces, which is convenient for normal use when the USB plug is inserted in the forward and reverse directions.

In order to solve the technical problems of the above-mentioned utility model, the utility model provides a socket connector based on a USB connection interface with double plugging surfaces, including a connection body, a shielding shell, and a conductive terminal assembled on the connection body. The housing covers the connecting body to form an accommodation space. The middle part of the connecting body protrudes forward to form a carrier, and the carrier divides the accommodation space of the shielding case into upper and lower accommodation spaces. The conductive The terminals are correspondingly assembled on the upper and lower end faces of the carrier respectively.

As can be seen from the above, the utility model is provided with conductive terminals on the upper and lower end surfaces of the carrier of the socket, so that when the USB plug is inserted in the forward and reverse directions, it can be electrically connected with the conductive terminals to carry out the data transmission of the USB standard protocol. It avoids the cumbersomeness of reconnecting the user by inserting the USB plug backwards, reduces the repetitiveness of using the USB plug, and is convenient to use.

【Description of drawings】

FIG. 1 is a perspective view of a prior art USB receptacle connector.

Fig. 2 is a perspective view of a prior art USB plug connector.

FIG. 3 is a front view of the USB receptacle connector of FIG. 1 .

FIG. 4 is a front view of the USB plug connector of FIG. 2 .

Fig. 5 is a perspective view of the USB interface socket with double insertion surfaces of the present invention.

FIG. 6 is a front view of the socket of FIG. 5 .

Fig. 7 is a cross-sectional view of the first embodiment of the USB interface socket with double insertion surfaces of the present invention.

Fig. 8 is a cross-sectional view of the second embodiment of the USB interface socket with double insertion surfaces of the present invention.

Fig. 9 is a circuit connection diagram of the USB interface socket with double insertion surfaces of the present invention.

【Detailed ways】

In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined purpose, the specific implementation, structural features and effects of the utility model with double plugging surfaces of the USB interface socket will be described in detail below in conjunction with the accompanying drawings and examples as follows.

Please refer to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the USB interface socket 1 with double plugging surfaces of the present invention includes a connecting body 11, and the middle part of the connecting body 11 protrudes forward to form a carrier body 111 integrally. The upper and lower end surfaces of the carrier 111 are respectively provided with conductive terminals 12 and 13 . The shielding shell 14 wraps the outside of the connection body 11 and encloses an accommodation space 15 , and the carrier 111 divides the accommodation space surrounded by the shielding shell into upper and lower accommodation spaces. For the sake of brevity, the following description mentions that the USB socket 1 with double plugging surfaces of the present invention is referred to as the USB interface socket for short. The upper and lower end walls and the left and right side walls of the shielding shell 14 of the USB interface socket 1 are respectively provided with spring pieces 141 for buckling with the USB plug 200 for stable connection.

As shown in Figure 6, the conductive terminals 12 on the upper surface of the carrier 111 of the USB interface socket 1 include ground terminals 12a, data terminals 12b, 12c and power terminals 12d from left to right, and the conductive terminals on the lower surface of the carrier 111 13 includes a ground terminal 13a, data terminals 13b, 13c and a power terminal 13d from right to left. When the USB plug 200 is inserted into the USB interface socket 1 in the forward direction, the connection terminals 230a, 230b, 230c, and 230d of the USB plug 200 are in contact with the conductive terminals 13a, 13b, 13c, and 13d on the lower end surface of the carrier body 111 respectively, and are electrically connected correctly. When the USB plug 200 is inserted in reverse, that is, the connection terminals 230a, 230b, 230c, and 230d of the plug 200 are inserted vertically downward, the connection terminals 230a, 230b, 230c, and 230d are connected to the upper surface of the carrier 111 respectively. The conductive terminals 12a, 12b, 12c and 12d contact and are electrically connected.

As mentioned above, when the USB plug 200 is inserted in reverse, the connection terminals of the USB plug 200 are arranged in reverse order from left to right as 230d, 230c, 230b, 230a, and from left to right become 230a, 230b, 230c, 230d, in order to realize the correct electrical connection with the conductive terminal 12 on the upper end surface of the carrier body 111 of the USB interface socket 1 to transmit data in order to cooperate with the reverse insertion of the USB plug 200, then the conductive terminal 12a on the upper end surface of the carrier body 111, The arrangement order of 12b, 12c, 12d from left to right is opposite to that of the conductive terminals 13a, 13b, 13c, 13d on the lower end surface from left to right.

FIG. 7 is a side cross-sectional view of the first embodiment of the USB interface socket 1 . The upper and lower end surfaces of the carrier 111 are respectively provided with terminal grooves 16, 17, and the conductive terminals 12, 13 are respectively inserted in the terminal grooves 16, 17, and the contact parts 121, 131 of the conductive terminals 12, 13 protrude elastically from the terminals in an arched shape. Grooves 16, 17 are higher than the upper and lower end faces. When the connection terminal 230 of the USB plug 200 is in contact with the contact portions 121, 131 of the conductive terminals 12, 13 respectively to realize electrical connection, the contact portions 121, 131 are retracted downward under elastic pressure, thereby making the contact portions 121, 131 The top end surfaces are respectively lower than the upper and lower end surfaces of the carrier 111 , or the top surfaces of the contact portions 121 , 131 are flush with the upper and lower end surfaces of the carrier 111 . Therefore, the height H5 between the upper and lower end surfaces of the carrier 111 is greater than or equal to the height H6 between the top end surfaces of the conductive terminals 12 and 13 on the upper and lower end surfaces.

In this first embodiment, the height H7 between the lower end surface of the carrier 111 and the top end surface of the contact portion 121 of the conductive terminal 12 on the upper end surface is smaller than the height H7 between the top end surface of the connecting terminal 230 of the USB plug 200 and the metal shell 220. The height H4 between the inner walls of the upper end, the height H8 between the upper end surface of the carrier 111 and the top end surface of the contact portion 131 of the conductive terminal 13 on the lower end surface is smaller than the top end surface of the connecting terminal 230 of the USB plug 200 and the metal shell 220 The height H4 between the inner walls of the upper end. Therefore, even after the USB plug 200 is reversely inserted into the USB interface socket 1, the connecting terminal 230 of the USB plug 200 and the conductive terminal 12 on the upper surface of the carrier 111 realize correct electrical contact to realize electrical connection, and make the carrier 111 The conductive terminals 13 on the lower surface are not in contact with the metal shell 230 of the USB plug 200 , thereby avoiding a short circuit.

Similarly, after the USB plug is correctly inserted into the USB compatible receptacle 1, when the connection terminal 230 of the USB plug 200 is electrically connected to the conductive terminal 13, the conductive terminal 12 on the upper end surface of the carrier 111 is also prevented from contacting the metal shell 220. short circuit.

FIG. 8 is a side sectional view of the second embodiment of the USB interface socket 1 . The difference from the first embodiment is that the conductive terminals 12', 13' are located on the upper and lower end surfaces of the carrier 111', and the rear ends of the conductive terminals 12', 13' are embedded and fixed inside the connecting body 11'. Therefore, the height H9 of the upper and lower end surfaces of the carrier 111'' increases the height of the contact portions 121', 131' of the front ends of the conductive terminals 12', 13', and the conductive terminals 12' of the upper and lower end surfaces of the carrier 111 The height H10 between the top surfaces of , 13' is greater than the height H9 between the upper and lower top surfaces of the carrier 111'.

In the second embodiment, the height H11 between the end surface of the contact portion 121 ′ of the conductive terminal 12 ′ on the upper surface of the carrier 111 ′ and the top surface of the contact portion 131 ′ of the conductive terminal 13 ′ on the lower surface of the carrier 111 ′ is smaller than that of the USB plug The height H4 between the top end surface of the connection terminal 230 of 200 and the upper inner wall of the metal shell 220; The height H12 between the surfaces is smaller than the height H4 between the top surface of the connection terminal 230 of the USB plug 200 and the upper inner wall of the metal shell 220 . Therefore, when the USB plug 200 is reversely inserted into the USB interface socket 1', the connection terminal 230 of the USB plug 200 contacts the contact portions 121', 131' of the conductive terminal 12' and presses the contact portions 121', 131' downward. Retracted to the thickness of the conductive terminal 12' itself, because the height H11 between the end surface of the conductive terminal 12' on the upper end surface of the carrier 111' and the top end surface of the contact portion 131' of the conductive terminal 13' on the lower end surface is smaller than that of the USB plug The height H4 between the top surface of the connection terminal 230 of the tongue plate 210 of 200 and the metal shell 220, so the inner wall of the upper end of the metal shell 220 of the USB plug 200 is not in contact with the conductive terminal 13' of the lower end surface of the carrier 111. The top surface of the contact portion 131 ′ is in contact with each other, so as to prevent the conductive terminal 13 ′ from being in electrical contact with the metal shell 220 to cause a short circuit.

Similarly, if the USB plug 200 is inserted into the USB interface socket 1' in the forward direction, when the conductive terminal 13' is in electrical contact with the connecting terminal 230, the top surface of the contact portion of the conductive terminal 12' on the upper surface of the carrier 111' should also be avoided. It is in contact with the upper end of the metal case 220 and short-circuited.

As mentioned above, the upper and lower end surfaces of the carrier body 11 of the USB interface socket 1 of the present utility model are respectively provided with conductive terminals, and the height between the end surface of the conductive terminal on the lower end surface and the top end surface of the contact portion of the conductive terminal on the upper end surface is smaller than that of the USB socket. The height between the top surface of the connecting terminal 230 on the tongue plate 210 of the plug 200 and the inner wall of the upper end of the metal shell 220, so that the USB plug 200 can be electrically connected to the conductive terminal regardless of whether it is inserted forward or backward to realize data transmission. This prevents the cumbersome operation of inserting the USB plug 200 by mistake in the prior art, and ensures that the conductive terminals on the carrier do not contact the inner wall of the metal shell to cause a short circuit.

The arrangement order of the conductive terminals 12 and 13 on the upper and lower end surfaces of the carrier body 111 of the USB interface socket 1 of the present utility model is reversed. For the same USB signal connection line, in a specific embodiment, a circuit of a four-layer circuit board can be used to realize the circuit connection of the conductive terminals 12 and 13 on the upper and lower end surfaces of the carrier 111 before being connected to the USB signal line.

As shown in Figure 9, the four-layer printed circuit boards 31, 32, 33, 34 that are connected to the circuit between the conductive terminals 12, 13, the first and fourth-layer lines 31, 34 that are located at the outermost sides are used as the ground plate (GND) and the power supply respectively. chip (VCC). It should be noted that in FIG. 9 , the circuit wiring of the first and fourth layers 31 and 34 is positive processing (that is, the blank area has conductive material), and the double circle dots marked on the first circuit 31 represent insulating holes. On the contrary, the second and third layers 32, 33 are all negative film processing (that is, the blank area has conductive material), and the hollow dot mark on it represents the guide hole electrically connected with the conductive material, while the solid dot represents the insulating hole, so the first Most of the area of the second-layer line 32 is grounded, and most of the area of the third-layer line 33 is the power supply.

The specific way of electrical connection between the circuits among the first, second, third and fourth layers of printed circuits 31-34, the ground connection of the first layer circuit 31 uses the two contact areas b1 and b2 of the conductive contact G to connect to The conductive holes b1 ′, b2 ′ of the second-layer circuit 42 , and the contact region c1 of the power supply connected to the conductive contact V are correspondingly connected to the conductive hole c1 ′ of the third-layer circuit 33 .

The ground connection of the fourth layer circuit 44 uses the two contact areas b3, b4 of the conductive contact G to connect to the conductive holes b3', b4' of the second layer circuit 42, and its power connection uses the contact area C2, C3 of the conductive contact V It corresponds to the conductive hole c2 ′ c3 ′ connected to the third layer circuit 43 .

Through the interconnection of the above-mentioned four-layer lines, the front and back sides of the receiving body are formed with conductive terminals of the USB standard protocol, as shown in Figure 5, which is a perspective view of the front and back sides of the present invention. Fig. 6 is the front view of Fig. 5, and the arrangement sequence of the conductive terminals on the upper end surface of the carrier is V (power supply), D1 (first data pin), D2 (second data pin) and G ( Ground), the arrangement order of the conductive terminals on the lower end surface is G (ground), D2 (second data pin), D1 (first data pin) and V (power supply) from right to left. Therefore, even in the USB plug When the 200 is reversely inserted, the connection terminal 230 and the conductive terminal on the upper surface of the carrier can also achieve correct electrical contact and transmit data of the USB standard protocol.

To sum up, the USB interface socket with dual plugging surfaces of the present invention is provided with conductive terminals 12 and 13 on both the upper and lower end surfaces of the carrier body 111, and is connected by a circuit so that the USB plug 200 can be inserted regardless of the forward and reverse directions. The USB interface socket 1 of the present utility model can be correctly electrically connected with the conductive terminals 12 and 13 on the upper and lower end faces, thereby realizing data communication of the USB protocol standard, and the user does not need to distinguish the insertion direction of the USB plug 200 It can be inserted and used, which simplifies the user's operation and instant use, and avoids the USB plug 200 in the prior art which cannot be used due to wrong insertion and the cumbersome operation. In addition, the USB interface socket of the utility model has a simple structure and simple manufacture, and is suitable for industrial batch production and popularization and application.

Claims (13)

1, the USB interface socket of a kind of pair of plug surface, comprise and connect body, shield shell and be assembled in the conducting terminal that connects on the body, described shield shell is coated on and connects body formation spatial accommodation, it is characterized in that, the formation supporting body is stretched out at the middle part of described connection body forward, described supporting body is divided into upper and lower spatial accommodation with the spatial accommodation of shield shell, the corresponding respectively upper and lower end face that is assembled in described supporting body of described conducting terminal.

2, the USB interface socket of according to claim 1 pair of plug surface, wherein, the height between the upper surface of described supporting body and the lower surface equates with the height that is connected body of standard USB socket.

3, the USB interface socket of according to claim 1 pair of plug surface, wherein, the height between the upper surface of described supporting body and the lower surface is less than the height that is connected body of standard USB socket.

4, the USB interface socket of according to claim 1 pair of plug surface, wherein, the upper and lower end face of described supporting body respectively with the end face of the conducting terminal of upper and lower end face.

5, the USB interface socket of according to claim 1 pair of plug surface, wherein, the upper and lower end face of described supporting body is higher than the end face of the conducting terminal that is positioned at upper and lower end face.

6, according to the USB socket of claim 4 or 5 described pairs of plug surfaces, wherein, the height between the top end face of the conducting terminal of the lower surface of described supporting body and upper surface is equal to or less than the height between the upper end inwall of the splicing ear of standard USB plug and metal shell.

7, according to the USB socket of claim 4 or 5 described pairs of plug surfaces, wherein, the height between the top end face of the conducting terminal of the upper surface of described supporting body and lower surface is equal to or less than the height between upper end splicing ear and metal shell the inwall of standard USB plug.

8, the USB interface socket of according to claim 1 pair of plug surface, wherein, the described conducting terminal that is assembled in the upper and lower end face of supporting body plugs respectively on the upper and lower end face that is positioned at described loading end.

9, the USB interface socket of according to claim 8 pair of plug surface, wherein, the height between the top end face of the conducting terminal of the end face of the conducting terminal of the lower surface of described supporting body and upper surface is equal to or less than the height between the upper end inwall of the splicing ear of standard USB plug and metal shell.

10, the USB interface socket of according to claim 8 pair of plug surface, wherein, the height between the top end face of the conducting terminal of the end face of the conducting terminal of the upper surface of described supporting body and lower surface is equal to or less than the height between the upper end inwall of the splicing ear of standard USB plug and metal shell.

11, the USB interface socket of according to claim 1 pair of plug surface, wherein, the electrical specification of the conducting terminal of the upper surface of described supporting body from left to right put in order with the electrical specification of the conducting terminal of lower surface dextrosinistral put in order identical.

12, the USB interface socket of according to claim 11 pair of plug surface, wherein, described supporting body comprises four layer printed circuit boards, every layer printed circuit board is laid connection line, described four layer printed circuit board laminated put synthetic after, the connection line of every layer printed circuit board be electrically connected with via hole and connect the conducting terminal of upper and lower end face respectively after correspondence be connected to the USB signal line.

13, the USB interface socket of according to claim 11 pair of plug surface, wherein, the conducting terminal of the upper and lower end face of described supporting body is connected to the USB signal line by connecting the lead correspondence.

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