Universal serial bus (USB) connector with grounding pin

Abstract

The utility model relates to the technical field of electrical elements, in particular to a USB connecting plug with a grounding pin. The utility model provides the following technical scheme mainly aiming at the problems that a common USB connecting plug with a grounding pin has the risk of electric leakage due to the fact that the common USB connecting plug with the grounding pin is installed on electrical equipment, so that the electrical equipment has potential safety hazards in use, and an inner core rubber sleeve is seriously abraded under the condition of frequent plugging and unplugging, so that normal connection and use are influenced, the USB connecting plug comprises a USB connecting plug shell and a USB plug, an inner core rubber sleeve which can be conveniently matched with the USB connecting plug shell to be plugged with a USB plug is arranged in the USB connecting plug shell, and elastic function terminals playing a communication role are arranged on the inner core rubber sleeve in an array mode. According to the utility model, the connection state with the electrical equipment can be disconnected when the plugging state is released, the protection performance is improved, and when the structure is in the plugging state, the stability of plugging the structure with the USB plug can be improved, and the risk of electric leakage and electric shock can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical component technical field especially, relates to a USB with grounding foot plug connector. BACKGROUND

[0002] The USB with grounding foot plug connector is usually installed on various electrical equipment to achieve stable electrical connection and effective data transmission. By inserting the USB plug into the USB with grounding foot plug connector, users can easily complete data transmission and power supply. This design not only improves the reliability and safety of the connection, but also enhances the anti-interference capability of the equipment. With the continuous development of electronic equipment, the USB interface with grounding foot will continue to play an important role in various applications.

[0003] However, the common USB with grounding foot plug connector has the risk of electric leakage when installed on electrical equipment, which poses a safety hazard to the use of electrical equipment. Moreover, the inner core rubber sleeve is severely worn out under frequent plugging and unplugging, affecting normal connection and use. Therefore, we propose a USB with grounding foot plug connector. SUMMARY

[0004] The utility model aims at the problems in the background art and proposes a USB with grounding foot plug connector.

[0005] The technical scheme of the utility model is a USB with grounding foot plug connector, which comprises a USB plug connector shell and a USB plug. An inner core rubber sleeve is installed in the USB plug connector shell to facilitate plugging with the USB plug connector shell and the USB plug. Elastic functional terminals are arranged in an array on the inner core rubber sleeve to achieve communication. A contact patch is installed in the inner core rubber sleeve to facilitate communication with the elastic functional terminals. First elastic positioning members are symmetrically installed on the top and bottom walls of the USB plug connector shell to facilitate position limitation of the USB plug. Second elastic positioning members are symmetrically arranged on the side walls of the USB plug connector shell to facilitate position limitation of the USB plug with the first elastic positioning members. A grounding terminal is installed at the joint of the inner core rubber sleeve to reduce the influence of electric leakage during plugging.

[0006] Preferably, the inner core rubber sleeve is provided with movable grooves, and the top walls of the movable grooves are open. The elastic functional terminals are arranged in the corresponding movable grooves.

[0007] Preferably, the elastic functional terminals are divided into inclined elastic parts and horizontal parts. The horizontal parts of the elastic functional terminals are arranged in the movable grooves, and the inclined elastic parts of the elastic functional terminals are exposed at the openings of the movable grooves.

[0008] Preferably, the plurality of the on-contact pads are respectively arranged in the position corresponding movable slots, and the bottom wall of the plurality of the on-contact pads is connected with the inside of the bottom of the movable slot.

[0009] Preferably, the top wall and the bottom wall of the USB plug shell are respectively provided with the first movable opening, and the plurality of the first elastic positioning members are respectively arranged in the position corresponding first movable opening.

[0010] Preferably, the two side walls of the USB plug shell are symmetrically provided with the second movable opening, and the two second elastic positioning members are respectively arranged in the position corresponding second movable opening.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] 1, the utility model discloses a USB plug is inserted into the USB plug shell, makes the inclined elastic structure of elastic functional terminal and is extruded deformation to the contact pad and contacts, realizes the effect of contact, is favorable to data transmission, and because the existing USB plug after splicing, will be limited in the USB plug shell under the elastic state of the inclined structure of elastic functional terminal, contrarily when the splicing state is released, the inclined elastic structure of elastic functional terminal will release elasticity, and the contact of contact pad is removed, thereby disconnecting the connection state of the inner core rubber sleeve and electrical equipment, it is favorable to avoid when the inner core rubber sleeve is influenced by the outside, causes electrical equipment to be damaged, influences use,

[0013] 2, the utility model discloses further fixes the position of USB plug through the elastic protruding structure of cooperation first elastic positioning member and second elastic positioning member, thereby improving the stability when splicing uses, when USB plug is inserted, the reserved hole of grounding terminal and USB plug is contacted, and the excess current is guided to the ground and is dispersed, reduces the risk of electric shock, thereby plays the role of electric leakage protection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of USB with the stereoscopic structure schematic diagram of grounding foot plug;

[0015] Figure 2 It is Figure 1 Back direction cross-sectional structure schematic diagram;

[0016] Figure 3 It is Figure 1 The stereoscopic structure schematic diagram of USB plug shell and inner core rubber sleeve in it;

[0017] Figure 4 It is Figure 1 The stereoscopic structure schematic diagram of inner core rubber sleeve and elastic functional terminal in it;

[0018] Figure 5 is Figure 1 is a schematic diagram of the three-dimensional structure of the elastic functional terminal.

[0019] Reference signs: 1, USB plug shell; 2, inner core rubber sleeve; 3, elastic functional terminal; 4, on-touch tab; 5, first elastic positioning member; 6, second elastic positioning member; 7, grounding terminal. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0021] EMBODIMENT

[0022] As Figures 1-5 shown, the utility model provides a USB with grounding foot plug, including USB plug shell 1, USB plug and electrical equipment, inner core rubber sleeve 2 is located in USB plug shell 1, and the partial outer surface wall body of inner core rubber sleeve 2 is fixedly connected with the inner surface wall body of USB plug shell 1, and the partial contact sensitive structure of inner core rubber sleeve 2 is protected through USB plug shell 1, and the two side wall bodies of the interface of USB plug shell 1 are in convex state, which is favorable to be clamped in the side wall of USB plug in the process of being plugged with USB plug, reduces the risk of loosening of USB plug shell 1, inner core rubber sleeve 2 and USB plug in the process of being plugged, avoids affecting use, and the back structure of inner core rubber sleeve 2 can be installed on electrical equipment, provides data interface for existing electrical equipment, and is favorable to subsequent use of electrical equipment.

[0023] Further, a plurality of movable grooves are distributed in array state on the top wall body of inner core rubber sleeve 2, the transverse part of a plurality of elastic functional terminals 3 penetrates the opening of movable groove and is fixedly installed on the bottom inner wall of movable groove, and the inclined part of elastic functional terminal 3 is exposed at the opening of movable groove, a plurality of on-touch tabs 4 are fixedly installed on the bottom wall body of a plurality of movable grooves respectively, and the position thereof corresponds to the inclined part structure of elastic functional terminal 3, so that when USB plug is inserted into inner core rubber sleeve 2, the inclined part of elastic functional terminal 3 can be extruded by the pressure of USB plug insertion, the inclined part of elastic functional terminal 3 is deformed and pressed down, thereby being in contact with on-touch tab 4, realizing communication, being favorable to data transmission, and conversely, when USB plug is pulled out, the inclined elastic structure of elastic functional terminal 3 can be elastically released, thereby removing the contact with on-touch tab 4, disconnecting the communication between inner core rubber sleeve 2 and electrical equipment, avoiding that inner core rubber sleeve 2 is damaged by external factors and causes damage to electrical equipment, and improving the protection of electrical equipment.

[0024] Further, the plurality of first elastic positioning members 5 are symmetrically arranged in the first movable openings formed on the top wall and the bottom wall of the USB plug shell 1, so that when the USB plug is inserted into the inner core rubber sleeve 2, the USB plug can be clamped and limited by the protruding elastic structure of the first elastic positioning member 5; two second elastic positioning members 6 are symmetrically arranged in the second movable openings formed on the two side walls of the USB plug shell 1, which is beneficial to clamp and limit the two side walls of the USB plug in cooperation with the first elastic positioning member 5, improve the position stability of the USB plug during plugging, and further reduce the risk of loosening.

[0025] Further, the grounding terminal 7 is fixedly installed on the plugging surface of the USB plug 2, and when the USB plug is inserted into the USB plug 2, an electrical connection can be formed at the connection of the USB plug, which is beneficial to disperse the excess current of the USB plug to the ground during plugging, thereby reducing the risk of electric shock and improving the safety during plugging.

[0026] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A USB grounding pin plug connector, comprising a USB plug connector shell (1) and a USB plug, an inner core rubber sleeve (2) is arranged in the USB plug connector shell (1) to facilitate the plug connection of the USB plug connector shell (1) and the USB plug, characterized in that: The elastic functional terminal (3) in communication is arranged on the inner core rubber sleeve (2) in array, the on-off contact (4) for facilitating the cooperation with the elastic functional terminal (3) to reach the communication is installed in the inner core rubber sleeve (2), the first elastic positioning member (5) for facilitating the position limitation of the USB plug is symmetrically installed on the top wall and the bottom wall of the USB plug shell (1), the second elastic positioning member (6) for facilitating the position limitation of the USB plug is symmetrically arranged on the two side walls of the USB plug shell (1), the grounding terminal (7) for facilitating the reduction of the influence of the electric leakage during the plugging is installed at the joint of the inner core rubber sleeve (2). ​ 2. The USB pin header with ground according to claim 1, wherein, The movable groove is formed in the inner core rubber sleeve (2), the top wall of the movable groove is in the open state, and the elastic functional terminal (3) is arranged in the position corresponding movable groove.

3. The USB pin header with ground according to claim 1, wherein, The elastic functional terminal (3) is divided into an inclined elastic part and a transverse part, the transverse part of the elastic functional terminal (3) is arranged in the movable groove, and the inclined elastic part of the elastic functional terminal (3) is exposed at the opening of the movable groove.

4. The USB pin header with ground according to claim 1, wherein, The on-off contact (4) is arranged in the position corresponding movable groove, and the bottom wall of the on-off contact (4) is connected with the inside of the bottom of the movable groove.

5. The USB pin header with ground according to claim 1, wherein, The first movable port is formed in the top wall and the bottom wall of the USB plug shell (1), and the first elastic positioning member (5) is arranged in the position corresponding first movable port.

6. The USB pin header with ground according to claim 1, wherein, The second movable port is symmetrically formed in the two side walls of the USB plug shell (1), and the second elastic positioning member (6) is arranged in the position corresponding second movable port.

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