CN204464594U - Rugged USB Connector - Google Patents

Abstract

The utility model discloses a stable USB connector, which comprises an insulating body, a terminal arranged on the insulating body and a shielding shell coated outside the insulating body, wherein the shielding shell and a tongue plate of the insulating body are enclosed to form a socket; the shielding shell comprises an upper shell and a lower shell which are assembled with each other, wherein two sides of the upper shell are respectively and integrally formed with a first welding matching plate extending horizontally outwards, two sides of the lower shell are respectively and integrally formed with a second welding matching plate extending horizontally outwards, and the first welding matching plate and the second welding matching plate on the same side are correspondingly welded together; therefore, the upper shell and the lower shell are welded to be assembled and fixed with each other through the first welding matching plate and the second welding matching plate which are horizontal, the assembling mode is simple, the assembling and positioning are stable, the tight matching of the insulating body in the shielding shell is favorably adjusted and ensured, the assembling stability between the insulating body and the shielding shell is improved, and the stability and the reliability of a product are improved.

Description

Rugged USB Connector

technical field

The utility model relates to the technology in the field of connectors, in particular to a stable USB connector.

Background technique

At present, the USB connector mainly includes an insulating body, a terminal arranged on the insulating body, and a shielding shell covered outside the insulating body. Docking; the shielding shell is usually formed by one-piece punching, and then bent downward from both sides of the top wall to form the side wall, and then bent inward from the bottom of the side wall to form the bottom wall. The butt joint method is generally dovetail Shaped interconnection structure; when assembling the connector, the insulating body provided with terminals is directly put into the finished product of the shielding shell; therefore, the assembly between the insulating body and the shielding shell is often not tight enough, especially in the subsequent vibration Under the influence of the connector, it is more prone to loosening, which affects the stability of the connector and the mating plug.

Therefore, a new technical solution needs to be developed to solve the above problems.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a stable USB connector, which has a simple assembly method, stable assembly positioning, and improves the stability and reliability of the product.

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

A stable USB connector, comprising an insulating body, a terminal arranged on the insulating body, and a shielding shell covering the outside of the insulating body, the shielding shell is surrounded by a tongue plate of the insulating body to form an insertion interface; the shielding shell The body includes an upper shell and a lower shell that are assembled with each other. The two sides of the upper shell are respectively integrally formed with a horizontally extending first welding fit plate, and the two sides of the lower shell are respectively integrally formed with a horizontally extending second weld fit plate. plate, and the first and second welded mating plates on the same side are welded together accordingly.

As a preferred solution, the upper shell has a top wall and two side walls, and the lower shell has a bottom wall; the aforementioned first welded matching plates are respectively bent and extended from the side walls, and the second welded matching plates extending outward from both sides of the bottom wall respectively.

As a preferred solution, the inner wall surface of the bottom wall is protruded with a first positioning protrusion, and correspondingly, the bottom of the insulating body is concavely provided with a first positioning groove, and the first positioning protrusion is caught in the first positioning position. In the groove; the inner wall surface of the top wall is protruded with a second positioning protrusion, and correspondingly, the top of the aforementioned insulating body is concavely provided with a second positioning groove, and the second positioning protrusion is caught in the second positioning groove Inside.

As a preferred solution, the rear end of the bottom of the insulating body protrudes downwards with a limiting protrusion, correspondingly, a limiting through hole is opened on the aforementioned bottom wall, and the limiting protrusion is embedded in the corresponding limiting through hole .

As a preferred solution, the rear ends of the two side walls are respectively integrally bent and extended inwardly to form a limiting arm, and the limiting arm blocks the rear end surface of the insulating body.

As a preferred solution, the rear end of the insulating body is provided with two concave cavities at intervals, and the concave cavities have rear openings and top openings; corresponding to the two concave cavities, the top wall of the aforementioned shielding shell is integrally punched and formed There are two positioning feet, the two positioning feet extend from the top wall towards each other and are bent downwards, and the two positioning feet extend into the corresponding concave cavity.

As a preferred solution, the rear end of the second welding mating plate integrally extends backwards and is bent downwards to form pins.

As a preferred solution, a buckle is integrally protruded from the front part above the top wall, the front side surface of the buckle is formed with a guiding slope or an arc surface, and a through groove is opened on the top wall corresponding to the rear side of the buckle.

As a preferred solution, several recesses for welding are formed on the upper surface of the first welding matching plate.

As a preferred solution, the two sides of the inner wall of the bottom wall correspond to the insertion ports, respectively integrally protruding upwards with insertion adapter protrusions.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that the upper and lower shells are mainly arranged to be welded by the first and second horizontal welding matching plates. Realize the assembly and fixation between each other, the assembly method is simple, the assembly positioning is stable, it is beneficial to adjust and ensure the close fit of the insulating body in the shielding shell, improve the assembly stability between the insulating body and the shielding shell, and improve the stability and reliability of the product .

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembly three-dimensional schematic diagram (showing circuit board) of the embodiment of the present utility model;

Fig. 2 is a three-dimensional schematic diagram of assembly from another angle of the embodiment of the utility model (circuit board not shown);

Fig. 3 is the first perspective exploded structure diagram of the embodiment of the utility model;

Fig. 4 is the second perspective exploded structure schematic diagram of the embodiment of the present utility model;

Fig. 5 is a schematic diagram of the exploded structure of the third angle of the embodiment of the utility model;

Fig. 6 is the schematic cross-sectional structure diagram of the embodiment of the utility model;

Fig. 7 is another schematic cross-sectional structure diagram of an embodiment of the present invention.

Explanation of the accompanying drawings:

10. Shielding shell 11. Upper shell

111. The first welding matching plate 112. Concave position

113. Top wall 114. Side wall

115. The second positioning convex part 116. Limiting arm

117. Positioning foot 118. Buckle

119. Through slot 12. Lower shell

121. The second welding matching plate 122. Bottom wall

123. The first positioning convex part 124. Limiting through hole

125. Pin 126. Extended wall plate

127. Connecting hole 128. Insertion adapter convex part

20. Insulation body 21. The first positioning groove

22. Second positioning groove 23. Limiting bump

24. Recessed cavity 30. Terminal

40. Plug interface 50. Circuit board.

Detailed ways

Please refer to Fig. 1 to Fig. 7, which shows the specific structure of the embodiment of the present invention, the USB connector includes an insulating body 20, a terminal 30 arranged on the insulating body 20 and a cover on the insulating body 20 The shielding shell 10 is enclosed with the tongue plate of the insulating body 20 to form an insertion port 40 .

The shielding shell 10 includes an upper shell 11 and a lower shell 12 assembled with each other. The two sides of the upper shell 11 are respectively integrally formed with a horizontally extending first welding matching plate 111, and the two sides of the lower shell 12 are respectively integrally outward. A second welding matching plate 121 extending horizontally is formed, and the first and second welding matching plates on the same side are correspondingly welded together, and the upper surface of the first welding matching plate 111 is formed with several concave positions 112 for welding;

Specifically in this embodiment, the upper shell 11 has a top wall 113 and two side walls 114, and the lower shell 12 has a bottom wall 122; , the second welding matching plate 121 is formed by extending outward from both sides of the bottom wall 122. Here, the rear end of the second welding matching plate 121 extends backwards and is bent downward to form a pin 125, leading to The pin 125 is embedded downward on the circuit board 50, and the pin 125 is arranged here, which is conducive to the structural arrangement of the terminal 30 and the miniaturization of the connector. At the same time, the outer side of the second welding mating plate 121 faces outward An elongated wall plate 126 is integrally formed, and a connecting hole 127 is opened on the elongated wall plate 126 .

The aforementioned auxiliary positioning structure between the shielding shell 10 and the insulating body 20 is specifically as follows:

As shown in FIG. 2 and FIG. 3 , the inner wall surface of the top wall 113 is protruded with a second positioning protrusion 115 , and correspondingly, the top of the insulating body 20 is concavely provided with a second positioning groove 22 . The protrusions 115 are stuck in the second positioning groove 22; the second positioning protrusions 115 are respectively arranged on both sides of the rear part of the top wall 113 and in the middle of the middle part of the top wall 113, and the three second positioning protrusions 115 are in the form of a product. Correspondingly, three second positioning grooves 22 are provided on the top of the aforementioned insulating body 20 .

As shown in FIG. 4 and FIG. 5 , the inner wall surface of the bottom wall 122 is protruded with a first positioning protrusion 123 , and correspondingly, the bottom of the insulating body 20 is concavely provided with a first positioning groove 21 , the first positioning The convex part 123 is stuck in the first positioning groove 21; and, the rear end of the bottom of the insulating body 20 protrudes downward with a limiting protrusion 23, correspondingly, a limiting through hole 124 is opened on the aforementioned bottom wall 122, The limiting protrusion 23 is embedded in the corresponding limiting through hole 124 .

As shown in FIG. 2 and FIG. 4 , the rear ends of the two side walls 114 are respectively integrally bent and extended inwardly to form a limiting arm 116 , and the limiting arm 116 blocks the rear end surface of the insulating body 20 ; and, the insulating The rear end of the main body 20 is provided with two concave cavities 24 in a spaced manner, and the concave cavities 24 have rear openings and top openings; corresponding to the two concave cavities 24, the top wall 113 of the aforementioned shielding shell 10 is integrally punched to form two positioning holes. The two positioning feet 117 extend from the top wall 113 towards each other and are bent downwards. The two positioning feet 117 extend into the corresponding cavity 24 .

And, as shown in FIG. 1 , a buckle 118 is integrally protruded from the front part above the top wall 113 , the front side surface of the buckle 118 is formed with a guiding slope or an arc surface, and the top wall 113 corresponds to the buckle 118 There is a through slot 119 on the rear side; the two sides of the inner wall of the bottom wall 122 correspond to the insertion ports 40, and the insertion adapter protrusions 128 are integrally protruded upwards.

The key point of the design of the utility model is that the upper and lower shells are mainly arranged to be assembled and fixed with each other through the welding of the first and second horizontal welding matching plates. The close fit of the insulating body in the shielding shell improves the assembly stability between the insulating body and the shielding shell, and improves the stability and reliability of the product.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a steady type USB connector, the shield shell comprising insulating body, be arranged at the terminal on insulating body and be coated on outside insulating body, the hyoplastron of this shield shell and insulating body encloses formation interface, it is characterized in that: this shield shell includes upper casing assembled with one another and lower casing, the both sides of this upper casing are integrally formed with the first welding matching board of horizontal-extending respectively outward, the both sides of this lower casing respectively one are formed with the second welding matching board of horizontal-extending outward, and matching board is corresponding is welded in together for first and second welding of homonymy.

2. steady type USB connector according to claim 1, it is characterized in that: described upper casing has roof and two side, described lower casing has diapire; Aforementioned first welding matching board bends extension outward from sidewall respectively and forms, and described second welding matching board forms toward extension from diapire both sides respectively.

3. steady type USB connector according to claim 2, it is characterized in that: the internal face of described diapire is convexly equipped with the first positioning convex portion, correspondingly, the bottom of aforementioned dielectric body is arranged with the first detent, and this first positioning convex portion is stuck in the first detent; The internal face of described roof is convexly equipped with the second positioning convex portion, and correspondingly, the top of aforementioned dielectric body is arranged with the second detent, and this second positioning convex portion is stuck in the second detent.

4. steady type USB connector according to claim 2, is characterized in that: the position, rear end, bottom of described insulating body is convexly equipped with spacing block set downwards, and correspondingly, aforementioned diapire offers limiting through hole, this spacing block set is embedded in corresponding limiting through hole.

5. steady type USB connector according to claim 2, is characterized in that: the rear end of described two side integrally bends inwards respectively and extends to form limited location arm, and this position limit arm is blocked in the rear end face of insulating body.

6. steady type USB connector according to claim 2, is characterized in that: described insulating body rear end space type offers two cavitys, and this cavity all has open rearward end and top end opening; Corresponding two cavitys, on the roof of aforementioned shield shell, one stamping-out is formed with two angles, and this two angle to extend and bending forms all downwards in opposite directions from roof, and two angles stretch in corresponding cavity.

7. steady type USB connector according to claim 2, is characterized in that: the rear end one of described second welding matching board extends backward and is bent to form pin downwards.

8. steady type USB connector according to claim 2, is characterized in that: above described roof, leading portion position is integrally convexly equipped with buckle portion, the front side surface of this buckle portion is formed with lead-in chamfered or arcwall face, and roof offers groove on rear side of corresponding buckle portion.

9. steady type USB connector according to claim 2, is characterized in that: the upper surface of described first welding matching board is formed with some recess being convenient to weld.

10. steady type USB connector according to claim 2, is characterized in that: corresponding interface place, described diapire internal face both sides, and one is convex is respectively provided with the adaptive protuberance of grafting.