USB connector

Abstract

The invention discloses a USB (Universal Serial Bus) connector, which comprises a Type-C male connector, and is characterized in that the Type-C male connector is provided with a metal shell and a terminal assembly fixedly arranged in the metal shell; the cable is connected to the rear end of the terminal assembly; the rubber mold is used for integrally packaging the rear end of the metal shell and the front end of the cable; the Type-C male connector and the cable are used as inserts to be integrally formed in an injection molding mode, a limiting piece protruding outwards is formed on the section, located in the rubber mold, of a metal shell of the Type-C male connector, and the limiting piece is used for being meshed with a rubber body of the rubber mold, so that the metal shell of the Type-C male connector is limited in the length direction of the cable relative to the rubber mold.

Description

Technical Field

[0001] The present invention relates to the technical field of external device connection interfaces, in particular to a USB connector. Background Art

[0002] like Figure 7 The figure shows a known USB connector, comprising a Type-C male connector having a metal housing 7 and a terminal assembly (not shown) fixed within the metal housing 7; a cable 9 connected to the rear end of the terminal assembly; and a plastic mold 8 that integrally encapsulates the rear end of the metal housing 7 and the front end of the cable 9. The purpose of the plastic mold 8 is to seal and waterproof the connector, preventing the ingress of foreign matter such as dust and moisture by filling the interface gap, while also providing physical protection and shock resistance. Specifically, the plastic mold 8 encapsulates the various electronic components at the connection between the Type-C male connector and the cable 9, enabling a combined connection between the Type-C male connector and the cable 9. The plastic mold 8 cooperates with the metal housing 7 of the Type-C male connector to form a stable support structure, reducing the impact of external shock and vibration on the internal circuitry.

[0003] However, during daily use of the USB connector, the Type-C male connector is repeatedly plugged and unplugged with the matching Type-C female connector, which generates a pulling force between the Type-C male connector's metal shell 7 and the rubber mold 8. Since the surface of the Type-C male connector's metal shell 7 is smooth and flat, and the connection between it and the rubber mold 8 is a surface-to-surface connection, the contact surface between the Type-C male connector's metal shell 7 and the rubber mold 8 is separated during the pulling process. During the plugging and unplugging process, the Type-C male connector will gradually loosen from the rubber mold 8 until it completely detaches. This causes the USB connector to transmit unstable signals during use and is prone to disconnection. Therefore, a USB connector is proposed. Summary of the Invention

[0004] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0005] A USB connector includes a Type-C male connector having a metal housing and a terminal assembly fixedly disposed within the metal housing; a cable connected to a rear end of the terminal assembly, and a plastic mold for integrally encapsulating the rear end of the metal housing and the front end of the cable; the plastic mold is integrally injection-molded with the Type-C male connector and the cable as inserts; the metal housing of the Type-C male connector is molded with an outwardly protruding limiter at a section located within the plastic mold, the limiter being configured to engage with the plastic of the plastic mold to limit the metal housing of the Type-C male connector relative to the plastic mold in the length direction of the cable.

[0006] Preferably, the limiting member is a flange flange that is formed around the outside of the metal shell of the Type-C male connector and protrudes outward, and the outwardly protruding end surface of the flange flange engages with the shell surface inside the plastic mold.

[0007] Preferably, the limiting parts are bumps formed at the upper and lower ends of the metal shell of the Type-C male connector and protruding outward respectively, and convex strips that engage with the bumps are formed at the upper and lower ends of the inside of the rubber mold, and the remaining built-in surfaces of the rubber mold are all fitted with the metal shell of the Type-C male connector.

[0008] Preferably, the limiting parts are several limiting blocks formed on the outside of the metal shell of the Type-C male connector and protruding outward, and the several limiting blocks are distributed around the outside of the metal shell of the Type-C male connector, and the several limiting blocks are arranged and staggered with each other, and the several limiting blocks are engaged with the shell surface inside the rubber mold.

[0009] Preferably, the limiting member is fixed to the metal shell by spot welding.

[0010] Preferably, the limiting member is provided on the metal housing by stamping.

[0011] Preferably, the limiting member is located at the middle section of the exterior of the metal shell.

[0012] Preferably, the limiting member is located near an edge of one end of the cable.

[0013] Preferably, a circuit board electrically connected to the cable is provided inside the Type-C male connector, and the circuit board is located inside the plastic mold, and the plastic mold wraps the circuit board.

[0014] Preferably, a data cable mesh tail is further provided at the connection between the cable and the rubber mold, and the data cable mesh tail is integrally formed on the outside of the cable or sleeved on the outside of the cable.

[0015] Compared with the prior art, the present invention has the following beneficial effects: when the Type-C male connector is plugged in or out of the matching Type-C female connector, even if the Type-C male connector is loosened and separated from the rubber mold, the position of the Type-C male connector in the rubber mold will not change due to the mutual engagement between the limiter and the rubber mold. The Type-C male connector will neither loosen from the rubber mold nor break the cable due to looseness.

[0016] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the USB connector;

[0019] Figure 2 is another structural diagram of a USB connector;

[0020] Figure 3 This is a structural diagram of the Type-C male connector;

[0021] Figure 4 It is a structural diagram of the limiting component;

[0022] Figure 5 is another structural schematic diagram of the limiting member;

[0023] Figure 6 It is another structural schematic diagram of the limiting member;

[0024] Figure 7 It is a structural diagram of a USB connector in the prior art.

[0025] As shown in the figure: 1. Rubber mold, 2. Metal shell, 3. Data cable mesh tail, 4. Cable, 5. Limiter, 6. Circuit board. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-7In an embodiment of the present invention, a USB connector includes a Type-C male connector, which has a metal shell 2 and a terminal assembly fixed in the metal shell 2; a cable 4 connected to the rear end of the terminal assembly, and a plastic mold 1 that integrally encapsulates the rear end of the metal shell 2 and the front end of the cable 4; the plastic mold 1 is integrally injection-molded with the Type-C male connector and the cable 4 as inserts, and the metal shell 2 of the Type-C male connector is molded with an outwardly protruding limiter 5 at a section located in the plastic mold 1. The limiter 5 is used to engage with the plastic of the plastic mold 1 so that the metal shell 2 of the Type-C male connector is limited relative to the plastic mold 1 in the length direction of the cable 4. When the USB connector is plugged in or out, the engagement between the limiter 5 and the plastic mold 1 prevents the Type-C male connector from loosening from one end of the plastic mold 1.

[0028] The limiting member 5 is a flange flange formed around the outside of the metal shell 2 of the Type-C male connector and protruding outward, and the outwardly protruding end surface of the flange flange engages with the shell surface formed inside the plastic mold 1, so that when the Type-C male connector and its corresponding Type-C female connector (not shown in the figure) are plugged in and out, a pulling force is generated between the Type-C male connector and the plastic mold 1, and the adhesion between the Type-C male connector and the plastic mold 1 will be loosened during the pulling process. However, at the same time as the loosening, the Type-C male connector will move, causing the flange flange to move synchronously with it. Since the shell surface blocks the front end of the flange flange, the flange flange and the shell surface engage with each other, so that after the Type-C male connector and the plastic mold 1 are loosened, the Type-C male connector remains at one end of the plastic mold 1, making it difficult for the Type-C male connector and the cable 4 to be disconnected.

[0029] The stoppers 5 are protruding bumps formed at the upper and lower ends of the metal shell 2 of the Type-C male connector and protruding outward respectively. The upper and lower ends of the interior of the plastic mold 1 are formed with protrusions that interlock with the protrusions. The remaining internal surfaces of the plastic mold 1 are all in contact with the metal shell 2 of the Type-C male connector. When the Type-C male connector is plugged in or out of its corresponding Type-C female connector (not shown in the figure), a pulling force is generated between the Type-C male connector and the plastic mold 1. During the pulling process, the adhesion between the Type-C male connector and the plastic mold 1 will be loosened. However, at the same time as the loosening, the Type-C male connector will move, causing the protrusions to move synchronously with it. Since the shell surface blocks the front end of the flange, the protrusions and the protrusions interlock with each other. Therefore, after the Type-C male connector and the plastic mold 1 are loosened, the Type-C male connector remains at one end of the plastic mold 1, making it difficult for the Type-C male connector and the cable 4 to be disconnected.

[0030] The limiting member 5 is a plurality of limiting blocks formed on the exterior of the metal shell 2 of the Type-C male connector and protruding outward. The limiting blocks are distributed around the exterior of the metal shell 2 of the Type-C male connector, and are arranged in an interlaced manner. The limiting blocks also interlock with the shell surface formed within the plastic mold 1. This generates a pulling force between the Type-C male connector and its corresponding Type-C female connector (not shown) during insertion and removal. During this pulling process, the adhesion between the Type-C male connector and the plastic mold 1 may loosen. However, as the adhesion between the Type-C male connector and the plastic mold 1 loosens, the Type-C male connector moves, causing the limiting blocks to move synchronously. Furthermore, because the shell surface is filled and stuck in the staggered positions formed between the limiting blocks, the limiting blocks interlock with the shell surface. As a result, even after the Type-C male connector and the plastic mold 1 loosen, the Type-C male connector remains at one end of the plastic mold 1, making it less likely to disconnect from the cable 4.

[0031] The limiter 5 is fixed to the metal shell 2 by spot welding or is set on the metal shell 2 by stamping, and is located in the middle section of the outside of the metal shell 3 or at the edge near one end of the cable 4.

[0032] A circuit board 6 electrically connected to the cable 4 is provided inside the Type-C male connector, and the circuit board 6 is located inside the plastic mold 1, and the plastic mold 1 wraps the circuit board 6; a data cable tail 3 is also provided at the connection between the cable 4 and the plastic mold 1, and the data cable tail 3 is integrally formed on the outside of the cable 4 or is sleeved on the outside of the cable 4, thereby preventing the cable 4 from bending during use and causing the cable to break.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

Claims

1. A USB connector comprising a Type-C male connector having a metal housing and a terminal assembly fixedly mounted within the metal housing; a cable connected to a rear end of the terminal assembly; and a plastic mold for integrally encapsulating the rear end of the metal housing and the front end of the cable; characterized in that: The rubber mold is integrally injection-molded with the Type-C male connector and the cable as inserts. The metal shell of the Type-C male connector is molded with an outwardly protruding stopper at a section located within the rubber mold. The stopper is used to engage with the colloid of the rubber mold to limit the metal shell of the Type-C male connector relative to the rubber mold in the length direction of the cable.

2. The USB connector according to claim 1, wherein: The limiting member is a flange flange that is formed around the outside of the metal shell of the Type-C male connector and protrudes outward, and the end surface of the flange flange that protrudes outward engages with the shell surface inside the plastic mold.

3. The USB connector according to claim 1, wherein: The limiters are protruding blocks formed at the upper and lower ends of the metal shell of the Type-C male connector and protruding outward respectively, and convex strips that engage with the protrusions are formed at the upper and lower ends of the inside of the rubber mold, and the remaining internal surfaces of the rubber mold are all in contact with the metal shell of the Type-C male connector.

4. The USB connector according to claim 1, wherein: The limiting parts are several limiting blocks formed on the outside of the metal shell of the Type-C male connector and protruding outward, and the several limiting blocks are distributed around the outside of the metal shell of the Type-C male connector, and the several limiting blocks are arranged and staggered with each other, and the several limiting blocks are engaged with the shell surface inside the plastic mold.

5. The USB connector according to claim 1, wherein: The limiting component is fixed on the metal shell by spot welding.

6. The USB connector according to claim 1, wherein: The limiting component is arranged on the metal shell by stamping.

7. The USB connector according to claim 1, wherein: The limiting component is located at the middle section of the exterior of the metal shell.

8. The USB connector according to claim 1, wherein: The limiting member is located at an edge close to one end of the cable.

9. The USB connector according to claim 1, wherein: A circuit board electrically connected to the cable is provided inside the Type-C male connector, and the circuit board is located inside the plastic mold, and the plastic mold wraps the circuit board.

10. The USB connector according to claim 1, wherein: A data cable mesh tail is further provided at the connection between the cable and the rubber mold, and the data cable mesh tail is integrally formed on the outside of the cable or is sleeved on the outside of the cable.

Images