CN204834940U - A reversible USB socket structure - Google Patents

Abstract

The utility model belongs to the technical field of the connector, especially, relate to a female seat structure of USB that can just reverse insert, including metal casing, glue core and terminal group, terminal group is including positive terminal and reverse side terminal, and positive terminal inserts from the one end of gluing the core, and reverse side terminal is from the other end embedding of gluing the core, and the free end that lies in inside the gluey core of positive terminal is provided with ascending first arc and arches, and the free end of reverse side terminal is provided with decurrent second arc and arches, and the free end that lies in inside the gluey core of positive terminal and reverse side terminal between be formed with the interval, glue the whole of core and terminal group constitution and arrange the metal casing in. Compared with the prior art, the utility model discloses a to the ingenious design of terminal group, need not to make positive terminal and reverse side terminal respectively, also need not to set up earlier the material area, later cut the material area again, but can come out positive terminal and reverse side terminal one shot forming to can reduce the process widely, also can not cause the waste of material, thereby can reduction in production cost.

Description

A reversible USB socket structure

technical field

The utility model belongs to the technical field of connectors, in particular to a USB socket structure which can be plugged in front and back.

Background technique

USB (Universal Serial Bus, Universal Serial Bus) is an external bus standard used to regulate the connection and communication between computers and external devices. It is also a technical specification for input and output interfaces, and is widely used in information communication products such as personal computers and mobile devices. With the rapid development of electronic technology, the application of USB plugs is becoming more and more extensive, and USB occupies an important position in the electronic field. The vast majority of computer peripherals are connected to the computer via USB for data transmission and exchange, such as mice, keyboards, U disks, printers, mobile phones, and cameras. Like this, just need to install USB socket on computer, install plug on computer peripheral equipment, plug is inserted into socket when connecting, makes both produce electric connection.

Since the electrical connection points of the plug and the socket itself are designed in a one-to-one correspondence, wrong insertion will cause major dangers such as invalidity or even burning out the equipment. In order to prevent people from plugging in wrongly when using the USB interface, the USB interface has a fool-proof design, that is, the plug and socket will need to be aligned in the direction because of their single-sided insertion characteristics, which requires a lot of waste. Time for inspection and proofreading. In this way, when users use it, they often need to check which direction the socket is in, and then adjust the plug to the same direction before inserting it, or if it is not inserted correctly, change the direction and then insert it. A broken plug or socket is causing a lot of trouble.

In this case, a USB plug structure regardless of positive and negative should be conceived, which mainly includes a metal shell, an insulating rubber core and a terminal set inside the metal shell, wherein the terminal set includes an upper terminal set and a lower terminal set. Terminal group, the structure of the terminal group in the prior art is shown in Figure 1 and Figure 2, wherein, the conductive contact parts 32 of each conductive terminal 3 of the upper terminal group are connected into one body through the terminal connecting material 36, and the lower terminal group The conductive contact parts 32 of each conductive terminal 3 are connected into one body through terminal connecting material 36, the rear ends of each conductive terminal 3 of the upper terminal group are connected into one body through an upper terminal strip 37, and each conductive part of the lower terminal group The rear ends of the terminals 3 respectively extend backwards with pins 34, and the rear ends of the pins 34 of each conductive terminal 3 are connected into one body through the lower terminal strip 38. When assembling, the upper terminal group and the lower terminal group are respectively connected The lower intervals are placed in the mold cavity of the insulating body 2 and the terminal connecting material 36 is cut off through the mold positioning to ensure independent conduction between the conductive terminals 3; after the assembly is completed, the upper terminal material tape 37 is cut off, and the pin 34 is bent and the lower terminal strip 38 is cut off, so as to ensure independent conduction between the conductive terminals 3 . Wherein, 33 represents the contact spring 33, and 35 represents the convex hull. The process is complicated, and the optical terminal group part needs to be molded twice, and the assembly is also relatively complicated, and it will cause waste of materials, which is not conducive to reducing costs.

In view of this, it is indeed necessary to provide a reversible USB receptacle structure and a manufacturing method thereof, which can reduce working procedures and cause no waste of materials through the ingenious design of the terminal group.

Utility model content

One of the purposes of the present utility model is to provide a USB socket structure that can be plugged in front and back in view of the deficiencies in the prior art. Through the ingenious design of the terminal group, the process can be reduced, and the material will not be damaged. waste.

In order to achieve the above object, the utility model adopts the following technical solutions:

A USB receptacle structure that can be plugged in front and back, including a metal shell, a rubber core, and a terminal set, the terminal set includes a front terminal and a back terminal, one end of the front terminal is inserted from one end of the rubber core, and the The back terminal is embedded and inserted from the other end of the rubber core, the free end of the front terminal inside the rubber core is provided with an upward first arc arch, and the free end of the back terminal is provided with a downward The second arc is arched, and there is a space between the free end of the front terminal located inside the rubber core and the negative terminal, and the rubber core and the terminal group are integrally placed on the metal inside the shell.

As an improvement of the structure of the USB female base that can be plugged in the front and back of the utility model, the rubber core includes a main body and a housing part, one end of the housing part is connected to the main body, and the housing part is Several elongated through holes are provided, and part of the front terminal and the reverse terminal are located in the elongated through holes.

As an improvement of the utility model’s reversible plug-in USB socket structure, one end of the front terminal is located in the elongated through hole, and the other end of the front terminal protrudes through the main body outside the main body.

As an improvement to the structure of the reversible USB socket of the present invention, the part of the front terminal protruding from the main body is L-shaped, including a vertical section and a horizontal section connected to each other. The vertical section is attached to the surface of the main body, and the transverse section protrudes outward.

As an improvement of the structure of the USB female base that can be plugged in front and back of the utility model, the number of the front terminals and the back terminals are set to four, and the four front terminals are respectively connected with the front terminals in order from left to right. The four opposite terminals are connected in one-to-one correspondence from right to left.

As an improvement of the structure of the USB female seat that can be plugged in the front and back of the utility model, the first arc-shaped arch includes a first inclined section, a first arc-shaped section and a first inclined free section, and the first inclined section It is connected with the first inclined free section through the first arc section; the second arc arch includes a second inclined section, a second arc section and a second inclined free section, and the second inclined section It is connected with the second inclined free section through the second arc section.

As an improvement to the structure of the reversible USB socket of the present invention, the arcs of the first arc segment and the second arc segment are equal, and the first arc segment and the second arc segment The radians of the arc segments are all π/6-π/3.

As an improvement of the utility model’s reversible plug-in USB female seat structure, in the horizontal direction, the end of the first inclined free section of the front terminal located in the same elongated through hole is connected to the The distance between the ends of the second inclined free section of the reverse terminal is 1/20 to 1/5 of the length of the reverse terminal; in the vertical direction, the The distance between the end of the first inclined free section of the front terminal and the end of the second inclined free section of the back terminal is 0.7-5 times the thickness of the back terminal.

Compared with the prior art, the utility model provides a reversible USB socket structure, including a metal shell, a rubber core and a terminal group. The terminal group includes a front terminal and a reverse terminal, and the front terminal is embedded from one end of the rubber core. The reverse terminal is inserted from the other end of the rubber core. The free end of the front terminal located inside the rubber core is provided with a first upward arc arch, and the free end of the reverse terminal is provided with a downward second arc arch. The front terminal There is a space between the free end located inside the rubber core and the terminal on the opposite side, and the rubber core and the terminal group are integrally placed in the metal shell. Through the ingenious design of the terminal group, the utility model does not need to make the front terminal and the back terminal separately, and does not need to first set up the material tape and the connecting material, and then cut off the material tape and the connecting material. The terminal is molded at one time, so that the process can be greatly reduced, and there will be no waste of materials, so that the production cost can be reduced. At the same time, the contact conductivity of the terminal group with this structure is also very good. The utility model can be electrically connected on both sides, so that the plug can be effectively electrically connected when inserted into the socket from any direction of the front and back. It is convenient to use and does not appear in the direction The phenomenon of wrong insertion can effectively protect the plug and socket, the connection is simple and convenient, durable, and the operation efficiency is improved; in addition, the utility model has a simple structure, is easy to realize, can realize mass production, saves costs, and does not change the connection between the USB socket and the circuit board The connection structure can be directly installed on a standard circuit board so that it can directly replace the traditional one-way USB socket.

Another object of the present utility model is to provide a method for making a USB socket structure that can be plugged in front and back, including the following steps:

In the first step, the terminal group is integrally formed in the mold cavity, wherein the front terminals are respectively connected with the reverse terminals in the order from right to left in order from left to right;

The second step is to put the terminal group into the mold cavity of the rubber core and position it through the mold, and then inject the plastic material into the mold cavity, so that the terminal is formed in the rubber core;

The third step is to install the metal shell on the outside of the rubber core and press and fix it with the rubber core.

Compared with the prior art, the utility model has simple procedures and convenient assembly, thereby improving production efficiency, realizing mass production, saving costs, and without changing the connection structure between the USB socket and the circuit board, it can be directly installed on a standard circuit board Therefore, it can directly replace the traditional one-way USB socket.

Description of drawings

FIG. 1 is a schematic perspective view of the three-dimensional structure of a terminal group in the prior art.

Fig. 2 is a schematic diagram of an exploded structure of a terminal group in the prior art.

in:

3-conductive terminal;

32 - conductive contact part;

33 - contact shrapnel;

34-pin;

35 - convex hull;

36-terminal connecting material;

37-upper terminal strip;

38-lower terminal strip.

Fig. 3 is a schematic diagram of an exploded structure of the utility model.

Fig. 4 is one of the three-dimensional structure schematic diagrams of the present utility model.

Fig. 5 is the second perspective view of the utility model.

Fig. 6 is the third schematic diagram of the three-dimensional structure of the utility model.

Fig. 7 is a left view structural diagram of the utility model.

Fig. 8 is a schematic structural diagram of the terminal group in the present invention.

in:

1- Metal shell;

2- rubber core;

21-main body, 22-accommodating part, 221-elongated through hole;

3-terminal group;

31 - front terminal;

311-the first arc arch, 3111-the first inclined section, 3112-the first arc section, 3113-the first inclined free section, 312-vertical section, 313-transverse section, 314-connecting section;

32-reverse terminal;

321-the second arc-shaped arch, 3211-the second inclined section, 3212-the second arc-shaped section, 3213-the second inclined free section, 322-the main body of the terminal.

Detailed ways

The utility model and its beneficial effects will be further described in detail below in conjunction with specific examples, however, the specific implementation of the utility model is not limited thereto. The up, down, left, and right mentioned in this embodiment are consistent with the up, down, left, and right directions of the drawings themselves, and the descriptions of "first" and "second" mentioned in this embodiment are for ease of description Clearly, it has nothing to do with the importance of parts, nor is it used to limit the scope of implementation of the utility model. The change or adjustment of its relative relationship should also be regarded as the real-time category of the utility model without substantive changes in the technical content. .

As shown in Figure 3 to Figure 8, the utility model provides a reversible USB socket structure, including a metal shell 1, a rubber core 2 and a terminal group 3, the terminal group 3 includes a front terminal 31 and a back terminal 32. One end of the front terminal 31 is inserted from one end of the rubber core 2, and the reverse terminal 32 is inserted from the other end of the rubber core 2. The free end of the front terminal 31 located inside the rubber core 2 is provided with an upward first arc-shaped arch 311 (Up here is based on the plane where the main body of the front terminal 31 is located, and the first arc-shaped arch 311 is located above the plane), and the free end of the reverse terminal 32 is provided with a downward second arc-shaped arch 321 ( The downward here is based on the plane where the main body of the reverse terminal 32 is located, the second arc-shaped arch 321 is located below the plane), and the free end of the front terminal 31 inside the rubber core 2 is formed between the free end of the rubber core 2 and the reverse terminal 32 There is a gap, and the whole composed of the rubber core 2 and the terminal group 3 is placed in the metal shell 1 . The terminal group 3 with this structure can be molded at one time, which saves working procedures and waste of materials.

The rubber core 2 includes a main body part 21 and an accommodating part 22. One end of the accommodating part 22 is connected to the main body part 21. The height of the main body part 21 is higher than that of the accommodating part 22. The accommodating portion 22 is provided with several elongated through holes 221 , and the front terminal 31 and the reverse terminal 32 are both located in the elongated through holes 221 . In this embodiment, four elongated through holes 221 are provided, and the front terminals 31 and the reverse terminals 32 located in the elongated through holes 221 form contact springs to realize the electrical connection between the socket and external devices.

One end of the front terminal 31 is located in the elongated through hole 221 , and the other end of the front terminal 31 passes through the main body 21 and protrudes out of the main body 21 . Wherein, the part of the front terminal 31 protruding from the main body 21 is L-shaped, including a vertical section 312 and a horizontal section 313 connected to each other, the vertical section 312 is attached to the surface of the main body 21, and the horizontal section 313 is outward protrudes to form pins. The vertical segment 312 is connected to the first arc-shaped arch 311 through a connecting segment 314 .

There are four front terminals 31 and four rear terminals 32 , and the four front terminals 31 are respectively connected to the four rear terminals 32 in a right-to-left order from left to right. Wherein, the connectors for connecting the corresponding front terminals 31 and reverse terminals 32 are in the shape of "Z" or "ㄈ". Of course, the lengths of the upper and lower sections of the "Z" connectors can be equal. It can also be unequal; the lengths of the upper transverse section and the lower transverse section of the "ㄈ"-shaped connector can be equal or unequal. Moreover, the upper horizontal section of the "Z"-shaped connector and the upper horizontal section of the "ㄈ"-shaped connector (the horizontal section on the right in the figure) are located on the same straight line, while the lower horizontal section of the Z-shaped connector The lower horizontal section of the "ㄈ"-shaped connector (the horizontal section on the left in the figure) is not located on the same straight line, but arranged parallel to each other from right to left, see Figure 8 for details.

The first arc arch 311 includes a first inclined section 3111, a first arc section 3112 and a first inclined free section 3113, the first inclined section 3111 and the first inclined free section 3113 are connected by the first arc section 3112, and the first inclined section 3111 is connected with the first inclined free section 3112. An inclined section 3111 is connected to the main body of the front terminal 31, and the first inclined section 3111 and the first inclined free section 3113 are arranged at both ends of the first arc section 3112 in a "eight" shape, thereby forming an overall arch; The second arc arch 321 includes a second inclined section 3211, a second arc section 3212 and a second inclined free section 3213, the second inclined section 3211 and the second inclined free section 3213 are connected by the second arc section 3212, and The second inclined section 3211 is connected to the main body of the terminal 32 on the opposite side. The second inclined section 3211 and the second inclined free section 3213 are arranged on both ends of the second arc section 3212 in a "eight" shape, thereby forming an overall arch. The reverse terminal 32 also includes a terminal body portion 322 connected to the first inclined section 3111 .

Wherein, the arcs of the first arc segment 3112 and the second arc segment 3212 are equal, and the arcs of the first arc segment 3112 and the second arc segment 3212 are both π/6-π/3. That is, the shape and size of the first arc-shaped arch 311 and the second arc-shaped arch 321 are the same, but the directions are different.

In the horizontal direction, the distance between the end of the first inclined free section 3113 of the front terminal 31 and the end of the second inclined free section 3213 of the opposite terminal 32 in the same elongated through hole 221 is 1/20 to 1/5 of the length; in the vertical direction, the end of the first inclined free section 3113 of the front terminal 31 and the second inclined free section 3213 of the back terminal 32 in the same elongated through hole 221 The distance between the ends is 0.7-5 times the thickness of the opposite terminal 32 . The end of the first inclined free section 3113 of the front terminal 31 and the end of the second inclined free section 3213 of the back terminal 32 are not in contact with each other, but are separated by a certain distance to prevent the front terminal 31 from being connected to the back side that should not be connected to each other. The terminals 32 are connected to each other, which affects their normal use.

In a word, the reversible USB socket structure provided by the utility model includes a metal shell 1, a rubber core 2 and a terminal group 3. The terminal group 3 includes a front terminal 31 and a back terminal 32, and the front terminal 31 connects from the rubber core 2 One end of the back terminal 32 is inserted from the other end of the rubber core 2, the free end of the front terminal 31 inside the rubber core 2 is provided with an upward first arc-shaped arch 311, and the free end of the back terminal 32 is provided with a downward The second arc-shaped arch 321 of the front terminal 31 forms a space between the free end of the front terminal 31 inside the rubber core 2 and the back terminal 32 , and the rubber core 2 and the terminal group 3 are integrally placed in the metal shell 1 . Through the ingenious design of the terminal group 3, the utility model does not need to make the front terminal 31 and the back terminal 32 respectively, and does not need to first set up the material tape and the connecting material, and then cut off the material tape and the connecting material. The terminal 31 and the reverse terminal 32 are molded at one time, so that the process can be greatly reduced, and there will be no waste of materials, so that the production cost can be reduced. At the same time, the contact conductivity of the terminal group 3 of this structure is also very good, and the utility model can be electrically connected on both sides, so that the plug can be effectively electrically connected when inserted into the socket from any direction, which is convenient to use and does not appear The phenomenon of plugging in the wrong direction can effectively protect the plug and socket, the connection is simple and convenient, durable, and the operation efficiency is improved; in addition, the utility model has a simple structure, is easy to realize, can realize mass production, saves costs, and does not change the USB socket and the circuit board The connection structure can be directly installed on a standard circuit board so that it can directly replace the traditional one-way USB socket.

In addition, the utility model also provides a method for making a USB socket structure that can be plugged in the front and back, including the following steps:

In the first step, the terminal group 3 is integrally molded in the mold cavity, wherein the front terminals 31 are sequentially connected with the rear terminals 32 in the order from right to left in a sequence from left to right;

In the second step, the terminal group 3 is put into the mold cavity of the rubber core and positioned through the mold, and then the plastic material is injected into the mold cavity, so that the terminal group 3 is molded in the rubber core 2; wherein, the plastic material is saturated Thermosetting high temperature resistant plastic materials;

In the third step, the metal shell 1 is installed on the outside of the rubber core 2 and pressed and fixed with the rubber core 2 .

In a word, the procedure of the utility model is simple, and the terminal group 3 is molded at one time, without making the front terminal 31 and the back terminal 32 respectively, and also without first setting the material tape and the connecting material, and then cutting off the material tape and the connecting material, etc. It can greatly reduce the process, improve production efficiency, and will not cause waste of materials, thereby reducing production costs. And can and can realize mass production. And without changing the connection structure between the USB socket and the circuit board, it can be directly installed on a standard circuit board so as to directly replace the traditional one-way USB socket.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also make appropriate changes and modifications to the above embodiment. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (8)

1. one kind can the USB master base structure of just anti-plug, it is characterized in that: comprise metal shell, glue core and terminal group, described terminal group comprises front terminal and reverse side terminal, one end of described front terminal is inserted from one end of described glue core, described reverse side terminal enters from the other end intercalation of described glue core, the first arc that the free end being positioned at described glue core inner of described front terminal is provided with upwards arches upward, the free end of described reverse side terminal is provided with the second downward arc and arches upward, interval is formed between the free end at described glue core inner of described front terminal and described reverse side terminal, the entirety of described glue core and described terminal group composition is placed in described metal shell.

2. according to claim 1 can the USB master base structure of just anti-plug, it is characterized in that: described glue core comprises main part and holding part, one end of described holding part is connected with described main part, described holding part is provided with several strip through holes, part and the described reverse side terminal of described front terminal are all positioned at described strip through hole.

3. according to claim 2 can the USB master base structure of just anti-plug, it is characterized in that: one end of described front terminal is positioned at described strip through hole, the other end of described front terminal stretches out in outside described main part through after described main part.

4. according to claim 3 can the USB master base structure of just anti-plug, it is characterized in that: the part that described front terminal stretches out in outside described main part is L-shaped, comprise interconnective vertical section and traversing section, described vertical section fits in the surface of described main part, and described traversing section is protruding.

5. according to claim 1 can the USB master base structure of just anti-plug, it is characterized in that: described front terminal and described reverse side terminal are all set to four, and four described front terminals are by by left-to-right order, described reverse side terminal connects one to one to left order by by the right side with four successively respectively.

6. according to claim 2 can the USB master base structure of just anti-plug, it is characterized in that: described first arc arches upward and comprises the first tilting section, the first segmental arc and the first inclination free segment, and described first tilting section is connected by described first segmental arc with described first inclination free segment; Described second arc arches upward and comprises the second tilting section, the second segmental arc and the second inclination free segment, and described second tilting section is connected by described second segmental arc with described second inclination free segment.

7. according to claim 6 can the USB master base structure of just anti-plug, it is characterized in that: the radian of described first segmental arc and described second segmental arc is equal, and the radian of described first segmental arc and described second segmental arc is π/6-π/3.

8. according to claim 6 can the USB master base structure of just anti-plug, it is characterized in that: in the horizontal direction, the distance between the end of the end of the first inclination free segment of the described front terminal in same described strip through hole and the second inclination free segment of described reverse side terminal is 1/20 ~ 1/5 of the length of described reverse side terminal; In the vertical direction, the distance between the end of the first inclination free segment of the end of the described front terminal in same described strip through hole and the second inclination free segment of described reverse side terminal is 0.7-5 times of the thickness of described reverse side terminal.