CN214254938U

CN214254938U - USB AM connector and electronic equipment

Info

Publication number: CN214254938U
Application number: CN202021593532.8U
Authority: CN
Inventors: 焦平海; 肖松红
Original assignee: Guangdong Mingji High Tech Electronics Co ltd
Current assignee: Guangdong Mingji High Tech Electronics Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-09-21
Anticipated expiration: 2030-08-04

Abstract

A USB AM connector and electronic equipment, wherein the USB AM connector includes a metal shell, a plastic main body buckled inside the metal shell, and a metal terminal group arranged on the plastic main body; the metal shell comprises an anti-falling buckle, an anti-falling buckle hole, a shell front buckle part arranged on the front end surface of the metal shell and a shell rear buckle part arranged on the rear end surface of the metal shell; the anti-falling buckle comprises an anti-falling buckle surface and an anti-falling buckle hook. The metal shell further comprises a molding-prevention glue-lacking hole. The beneficial effects of the utility model reside in that: the anti-stress strength of the USB AM connector can be improved, defective products can be found in time during production, rework is arranged, the production cost is reduced, and the yield, the yield and the production efficiency are improved.

Description

USB AM connector and electronic equipment

Technical Field

The utility model relates to an electronic equipment technical field, concretely relates to USB AM connector and electronic equipment.

Background

Universal Serial Bus (USB) has been developed for over ten years, and has the advantages of being hot-pluggable, convenient to carry, unified in standard, capable of connecting multiple devices, and the like, and is approved and favored by users. With the wide use requirement, the technology for manufacturing the USB interface also puts higher and higher requirements.

When the applicant manufactures the USB AM connector (i.e., the USB a-type male connector), it is found that in the existing production technology, the USB AM connector has low stress resistance, large quality difference, low yield and low yield, which results in resource waste and high production cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem to a certain extent at least.

Therefore, the first objective of the present invention is to provide a USB AM connector with high stress resistance.

A second object of the present invention is to provide an electronic apparatus.

In order to achieve the purpose, the embodiment of the utility model discloses a USB AM connector, which comprises a metal shell (1), a plastic main body (2) buckled inside the metal shell (1), and a metal terminal group (3) arranged on the plastic main body (2); after the metal shell (1) and the plastic main body (2) are buckled, the following processes are sequentially completed: forming an internal mold, forming an internal protection wire clamp and forming an external mold of the USB main body so as to manufacture the USB AM connector; the metal shell (1) comprises an anti-falling buckle (11), an anti-falling buckle hole (12), a shell front buckle part (14) arranged on the front end face of the metal shell (1) and a shell rear buckle part (15) arranged on the rear end face of the metal shell (1); the anti-falling buckle (11) comprises an anti-falling buckle surface (111) and an anti-falling buckle hook (112); the plastic body (2) comprises a plastic body base (21), a terminal contact guide groove (22) arranged on the front end face of the plastic body base (21), a plastic body boss (23) arranged on the front end face of the plastic body base (21), a plastic body front buckling part (24) arranged on the plastic body boss (23), and a plastic body rear buckling part (25) arranged on the rear end face of the plastic body base (21); the metal terminal group (3) is arranged on the terminal contact guide groove (22) and comprises a conductive protruding rib (31) and a wiring pad (32); the plastic main body (2) is sleeved into the metal shell (1) from the upper part, the front buckling part (14) of the shell is buckled with the front buckling part (24) of the plastic main body, and the rear buckling part (15) of the shell is buckled with the rear buckling part (25) of the plastic main body, so that the metal shell (1) is buckled with the plastic main body (2); then, the anti-disengaging buckle (11) is bent, the anti-disengaging buckle hook (112) of the anti-disengaging buckle (11) penetrates through the anti-disengaging hole (12), and the anti-disengaging buckle hook (112) is bent, so that the anti-disengaging buckle (11) is buckled with the anti-disengaging hole (12).

In addition, according to the utility model discloses above-mentioned technical scheme's USB AM connector can also have following additional technical characteristics:

optionally, the anti-dropping buckle (11) is arranged on the rear end face of the metal shell (1); the anti-disengaging hole (12) is formed in the front end face of the metal shell (1).

Optionally, the anti-disengaging hole (12) is arranged in a splayed shape.

Optionally, the metal shell (1) further comprises a molding-starving-preventing hole (13).

Optionally, the molding-prevention glue-lacking hole (13) is formed in the upper end of a horizontal plane where the upper end surface of the plastic main body boss (23) is located after the metal shell (1) and the plastic main body (2) are fastened.

Optionally, the metal housing (1) further comprises a data line grip (16) disposed at an upper end of the metal housing (1).

Optionally, the metal shell (1) further comprises one or more socket snap holes (17) disposed on a front end face or a rear end face of the metal shell (1).

Optionally, the metal housing (1) further comprises a metal housing self-fastening portion (18).

To achieve the above object, an embodiment of a second aspect of the present invention provides an electronic device, including a USB AM connector as described in the embodiment of the first aspect of the present invention.

The beneficial effects of the utility model reside in that: the anti-stress strength of the USB AM connector can be improved, defective products can be found in time during production, rework is arranged, the production cost is reduced, and the yield, the yield and the production efficiency are improved.

Drawings

Fig. 1 is a front view of a schematic diagram of a dismounting structure of a USB AM connector according to an embodiment of the present invention; fig. 1 (a) is a front view of the metal housing, and fig. 1 (b) is a front view of the plastic body and the metal terminal set.

Fig. 2 is a rear view of a schematic diagram of a dismounting structure of a USB AM connector according to another embodiment of the present invention; fig. 2 (a) is a rear view of the metal housing, and fig. 2 (b) is a rear view of the plastic body and the metal terminal set.

Fig. 3 is a schematic top view of a USB AM connector according to another embodiment of the present invention; fig. 3 (a) is a top view of the metal housing, and fig. 3 (b) is a top view of the plastic body and the metal terminal set.

Fig. 4 is a perspective view illustrating a schematic diagram of a dismounting structure of a USB AM connector according to another embodiment of the present invention; fig. 4 (a) is a perspective view of the metal housing, and fig. 4 (b) is a perspective view of the plastic body and the metal terminal set.

The reference signs are:

1-a metal housing; 11-anti-falling buckle; 111-anti-release snap surface; 112-anti-release clip hook; 12-anti-releasing hole; 13-preventing molding glue lacking holes; 14-housing front latch; 15-housing rear latch; 16-data line grip; 17-socket snap-fit holes; 18-metal shell self-clinching; 2-plastic main body; 21-plastic body base; 22-terminal contact guide groove; 23-plastic main body boss; 24-plastic body front fastening part; 25-plastic body rear fastening part; 3-a metal terminal group; 31-conductive studs; 32-bond pads.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or components/elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following describes the USB AM connector according to an embodiment of the present invention with reference to the drawings.

Fig. 1 is a front view of a disassembly and assembly structure schematic diagram of a USB AM connector according to an embodiment of the present invention, fig. 2 is a rear view of a disassembly and assembly structure schematic diagram of a USB AM connector according to another embodiment of the present invention, fig. 3 is a top view of a disassembly and assembly structure schematic diagram of a USB AM connector according to another embodiment of the present invention, fig. 4 is a perspective view of a disassembly and assembly structure schematic diagram of a USB AM connector according to another embodiment of the present invention, as shown in fig. 1 to 4: the USB AM connector comprises a metal shell 1, a plastic main body 2 buckled inside the metal shell 1, and a metal terminal group 3 arranged on the plastic main body 2; after the metal shell 1 and the plastic main body 2 are buckled, the following processes are sequentially completed: forming an internal mold, forming an internal protection wire clamp and forming an external mold of the USB main body so as to manufacture the USB AM connector; the metal shell 1 comprises an anti-falling buckle 11, an anti-falling buckle hole 12, a shell front buckle part 14 arranged on the front end surface of the metal shell 1 and a shell rear buckle part 15 arranged on the rear end surface of the metal shell 1; the anti-falling buckle 11 comprises an anti-falling buckle surface 111 and an anti-falling buckle hook 112; the plastic body 2 comprises a plastic body base 21, a terminal contact guide groove 22 arranged on the front end face of the plastic body base 21, a plastic body boss 23 arranged on the front end face of the plastic body base 21, a plastic body front buckling part 24 arranged on the plastic body boss 23, and a plastic body rear buckling part 25 arranged on the rear end face of the plastic body base 21; the metal terminal group 3 is arranged on the terminal contact guide groove 22 and comprises a conductive protruding rib 31 and a wiring pad 32; the plastic main body 2 is sleeved into the metal shell 1 from the upper part, the front buckling part 14 of the shell is buckled with the front buckling part 24 of the plastic main body, and the rear buckling part 15 of the shell is buckled with the rear buckling part 25 of the plastic main body, so that the metal shell 1 is buckled with the plastic main body 2; then, the anti-slip buckle 11 is bent to make the anti-slip hook 112 of the anti-slip buckle 11 pass through the anti-slip hole 12, and then the anti-slip hook 112 is bent to make the anti-slip buckle 11 and the anti-slip hole 12 fastened together.

According to an embodiment of the present invention, the anti-falling buckle 11 is disposed on the rear end surface of the metal shell 1; the anti-releasing hole 12 is arranged on the front end face of the metal shell 1.

According to the utility model discloses an embodiment, anticreep card hole 12 is the splayed setting.

Specifically, the steps of manufacturing the USB AM connector are as follows:

step 1: after the metal terminal group is mounted on the terminal contact guide groove 22 of the plastic body 2, the data line is soldered to the connection pad 32 of the metal terminal group 3, thereby forming a USB AM body.

Step 2: sheathing the USB AM main body into the metal shell 1 from the upper part, buckling the shell front buckling part 14 with the plastic main body front buckling part 24, and buckling the shell rear buckling part 15 with the plastic main body rear buckling part 25, so that the metal shell 1 is buckled with the plastic main body 2; then, the anti-disengaging buckle 11 is bent, so that the anti-disengaging hook 112 of the anti-disengaging buckle 11 passes through the anti-disengaging hole 12, and then the anti-disengaging hook 112 is bent, thereby completing the fastening of the metal shell 1 and the USB AM main body.

And step 3: and after the metal shell 1 is buckled with the USB AM main body, internal mold forming is carried out.

And 4, step 4: after the internal mold forming, the internal protection wire clamp forming, i.e., S/R forming (strain relief), is performed.

And 5: and after S/R molding, carrying out external mold molding.

After the production of the USB AM connector is finished, an external force test is required to be carried out to check whether the USB AM connector is qualified or not. The content of the external force test is that pressure is respectively applied to four surfaces of the USB AM connector, and deformation is required to be less than 10 degrees. Wherein four sides are respectively, with the utility model discloses an example: front end face, back end face, left end face, right end face. Therefore, the utility model discloses add anticreep buckle 11 and anticreep card hole 12 in metal casing 1 department to with its lock joint, with the anti stress strength who increases USB AM connector. The anti-releasing hole 12 may be in a shape of a Chinese character 'ba', and when the anti-releasing buckle 11 is fastened thereto, the anti-releasing buckle surface 111 is also in a shape of a Chinese character 'ba'. At this time, after the internal molding, the inside of the metal case 1 is filled with the rubber, so that the splayed disengagement preventing surface 111 is in contact with the rubber inside, and thus the stress from above, below, left, and right can be enhanced. On the other hand, the bent anti-release hook 112 is fastened to the anti-release hole 12, so that the stress from the front and the rear can be enhanced.

According to the utility model discloses a USB AM connector can improve USB AM connector's stress resistance intensity to simple structure, but metal casing 1's the metal body one-time stamping forming, the back processing only need simple buckle alright shaping, the processing is easy.

According to the utility model discloses an embodiment, metal casing 1 still includes prevents that the shaping lacks gluey hole 13.

According to the utility model discloses an embodiment, prevent that the shaping lacks gluey hole 13 and set up,

metal casing

1 and 2 lock joints of plastic main part back, the upper end of plastic main part boss 23 up end place horizontal plane.

Specifically, as shown in fig. 1-4: the applicant finds that in the traditional technology, part of USB connectors are unqualified in the external force test, and then when the unqualified products are disassembled, part of the USB connectors is found to be caused by the fact that the internal mold in the metal shell 1 is short of glue and less glue when the internal mold is molded in the step 3, and the external force test is unqualified due to the fact that the internal mold is judged. In the traditional processing and inspection process, the whole USB AM connector is inspected after being produced, and if defects are found, reworking is carried out, so that the production and inspection efficiency is very low. Therefore, the metal shell 1 is provided with the molding-prevention glue-lacking hole 13, and the molding-prevention glue-lacking hole 13 is arranged at the glue material molded by the internal mold in the step 3, namely the upper end of the horizontal plane where the upper end surface of the plastic main body boss 23 is located.

According to the utility model discloses a USB AM connector, can be before step 3 after the centre form shaping is accomplished, directly perceivedly from preventing that the shaping lacks gluey hole 13 and observe whether there is the problem of lacking the gluey few gluey of scarce glue, if find the problem then can in time mend gluey processing, need not to wait to do over again after whole production finishes, improved the efficiency of production inspection to save the production resource of step 4-5, reduced manufacturing cost, improved yield and yields.

According to an embodiment of the present invention, the metal shell 1 further includes a data line grasping portion 16 disposed at an upper end of the metal shell 1.

Specifically, as shown in fig. 1-4: in the step 2 of manufacturing the USB AM connector, after the metal shell 1 and the plastic main body 2 are fastened, the plastic main body 2, the metal terminal group 3 and the data line form a USB AM main body connected to the metal shell 1. Since the plastic main body 2 is only buckled with the metal shell 1 before, the connection of the USB AM main body is not firm, a data line grasping part 16 can be arranged at the upper end of the metal shell 1, and the data line grasping part 16 is bent to grasp the data line of the USB AM main body, so that the connection firmness is enhanced. Moreover, the position of the fixed data line can enable the production flow of the product to be more standardized.

According to an embodiment of the present invention, the metal shell 1 further includes one or more socket fastening holes 17 disposed on the front end surface or the rear end surface of the metal shell 1.

Specifically, as shown in fig. 1-4, in the embodiment of the present invention, two socket fastening holes 17 are respectively disposed on the front end face and the rear end face of the metal shell 1, for when the USB AM connector of the present invention is connected to a USB socket (female), the USB AM connector contacts with the elastic sheet in the USB socket (female) to secure the USB AM connector and the USB socket (female) to be firmly connected.

According to an embodiment of the present invention, the metal shell 1 further comprises a metal shell self-fastening portion 18.

Specifically, as shown in fig. 2, the embodiment of the present invention provides a metal shell self-fastening portion 18 on the rear end face of the metal shell 1 for making the metal shell 1 self perform fastening, so the design can make the formed part of the metal shell 1 be formed by one-time stamping, and through bending the metal shell, the formed part can be made to be self-fastened, and the forming is convenient.

Based on the above-mentioned embodiment, the utility model discloses still provide an electronic equipment, including the USB AM connector of above-mentioned embodiment.

According to the utility model discloses a mobile terminal, the anti stress intensity of the USB AM connector that it includes is high to firm in connection.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. A USB AM connector is characterized by comprising a metal shell (1), a plastic main body (2) buckled inside the metal shell (1), and a metal terminal group (3) arranged on the plastic main body (2);

the metal shell (1) comprises an anti-falling buckle (11), an anti-falling buckle hole (12), a shell front buckle part (14) arranged on the front end face of the metal shell (1) and a shell rear buckle part (15) arranged on the rear end face of the metal shell (1); the anti-falling buckle (11) comprises an anti-falling buckle surface (111) and an anti-falling buckle hook (112);

the plastic body (2) comprises a plastic body base (21), a terminal contact guide groove (22) arranged on the front end face of the plastic body base (21), a plastic body boss (23) arranged on the front end face of the plastic body base (21), a plastic body front buckling part (24) arranged on the plastic body boss (23), and a plastic body rear buckling part (25) arranged on the rear end face of the plastic body base (21);

the metal terminal group (3) is arranged on the terminal contact guide groove (22) and comprises a conductive protruding rib (31) and a wiring pad (32).

2. A USB AM connector according to claim 1, wherein: the anti-falling buckle (11) is arranged on the rear end face of the metal shell (1); the anti-disengaging hole (12) is formed in the front end face of the metal shell (1).

3. A USB AM connector according to claim 1, wherein: the anti-falling clamp holes (12) are arranged in a splayed shape.

4. A USB AM connector according to claim 1, wherein: the metal shell (1) further comprises a molding-prevention glue-lacking hole (13).

5. A USB AM connector according to claim 4, in which: prevent that shaping lacks gluey hole (13) and set up, metal casing (1) with plastic main part (2) lock joint back, the upper end of plastic main part boss (23) up end place horizontal plane.

6. A USB AM connector according to claim 1, wherein: the metal shell (1) further comprises a data line gripping part (16) arranged at the upper end of the metal shell (1).

7. A USB AM connector according to claim 1, wherein: the metal shell (1) further comprises one or more socket buckling holes (17) formed in the front end face or the rear end face of the metal shell (1).

8. A USB AM connector according to claim 1, wherein: the metal shell (1) further comprises a metal shell self-buckling part (18).

9. An electronic device, characterized in that: comprising a USB AM connector according to any of claims 1-8.