CN218182567U - Type-C-16P waterproof female connector - Google Patents

Abstract

The utility model discloses a waterproof female connector of Type-C-16P, including insulator, with insulator integrated into one piece's a plurality of metal terminals and parcel insulator's metal casing, insulator is including being fixed in the main part in the metal casing, and the preceding terminal surface of main part extends forward and forms the tongue with the anterior inner wall contactless of metal casing, and the upper and lower surface distribution of tongue has the contact site of metal terminal, the rear end of main part is connected with the extension that is located the metal casing rear end and fixes with the metal casing block, and the glue layer including the basic parcel of extension is passed through at metal casing's inner wall rear portion and is combined with the extension sealing, and the weld part of metal terminal runs through outside stretching out the extension. The utility model discloses a waterproof female connector of Type-C-16P has improved the waterproof performance of connector.

Description

Type-C-16P waterproof female connector

Technical Field

The utility model relates to a connector field especially relates to a waterproof female connector of Type-C-16P.

Background

The traditional Type-c connector comprises an insulating body, a terminal installed in the insulating body and a metal shell covering the insulating body, wherein an opposite insertion space used for opposite insertion with an external plug is formed between the front end of the metal shell and the insulating body. The traditional Type-c connector usually has the rear end face of the insulating body located inside the metal shell and a certain distance away from the rear end of the metal shell, a sealing space is formed between the rear portion of the inner wall of the metal shell and the rear end of the insulating body, the sealing glue is sealed in the sealing space, the rear portion of the inner wall of the metal shell and the rear end face of the insulating body are bonded through the glue, but the glue between the rear portion of the inner wall of the metal shell and the rear end face of the insulating body is poor in fusion performance, gaps are easy to generate, and the waterproof performance of the connector is reduced. Therefore, a new Type-C-16P waterproof female connector needs to be designed to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof female connector of Type-C-16P has improved the waterproof performance of connector.

In order to achieve the purpose, the utility model provides a waterproof female connector of Type-C-16P, including insulator, with insulator integrated into one piece's a plurality of metal terminals and parcel insulator's metal casing, insulator is including being fixed in the main part in the metal casing, and the preceding terminal surface of main part extends forward and forms the tongue with the anterior inner wall noncontacting of metal casing, and the last lower surface distribution of tongue has the contact site of metal terminal, the rear end of main part is connected with the extension that is located the metal casing rear end and fixes with the metal casing block, and the inner wall rear portion of metal casing is through the glue layer including wrapping up extension basically and extension sealing combination, and the weld part of metal terminal runs through outside stretching out the extension.

Preferably, the extending part comprises a horizontal part which is parallel to the main body part and is connected with the rear end face of the main body part and a vertical part which is vertically connected with the lower surface of the horizontal part, the vertical part is positioned on the rear side of the main body part and forms a first gap with the main body part, a second gap which is communicated with the first gap is formed between the extending part and the top wall of the metal shell, and the glue layer is filled in the first gap and the second gap.

Preferably, in the width direction of the insulating body, the horizontal part has a width narrower than the widths of the vertical part and the main part and forms an inlet with the vertical part and the main part, so that the first gap and the second gap are communicated, and the glue layer is filled at the inlet.

Preferably, the horizontal part is provided with at least one opening penetrating through the upper surface and the lower surface of the horizontal part, the opening is communicated with the first gap and the second gap, and the glue layer is filled in the opening.

Preferably, a concave cavity is concavely arranged on the lower surface of the horizontal part corresponding to the position of the opening, the opening is communicated with the concave cavity, and the glue layer is filled in the concave cavity.

Preferably, the number of the openings is two.

Preferably, the vertical portion is a stepped structure with a thickness in the front-back direction of the insulating body being narrow at the top and wide at the bottom, the glue layer wraps at least the upper portion of the vertical portion, the welding portion of each metal terminal penetrates through and extends out of the bottom surface of the vertical portion, and the fixing portion of each metal terminal is partially exposed at the narrow-top position of the stepped structure.

Preferably, a plurality of supporting protrusions are protruded from a rear end surface of the upper narrow portion of the stepped structure, and a fixing portion of a metal terminal is supported by a surface of each supporting protrusion.

Preferably, the vertical portion extends outwards along two sides of the width direction of the insulating body to form a clamping portion, the clamping portion is connected with the upper narrow position and the lower wide position of the step structure, the clamping portion is partially exposed outside the glue layer, and clamping grooves matched with the corresponding clamping portions are respectively recessed in the rear portions of the inner walls of the two sides of the metal shell in the width direction.

Preferably, the metal shell is an integrated alloy shell, the bottom surface of the metal shell extends downwards to form a positioning column, two sides of the metal shell in the width direction extend to form a straight pin or a flat pin, the front side of the metal shell extends to form a waterproof rubber ring sleeving part, the periphery of the rear end of the sealing ring sleeving part is expanded outwards to form a circle of blocking edge, or the surface of the sealing ring sleeving part is sunken to form a circle of groove, and the front side and the rear side of the groove are both formed into a convex circle of blocking edge.

Compared with the prior art, the utility model discloses a waterproof female connector of Type-C-16P's beneficial effect as follows:

(1) The extension part which is positioned in the rear end of the metal shell and is clamped and fixed with the metal shell is connected to the rear end of the main body part, so that the rear part of the inner wall of the metal shell is in sealing combination with the extension part through a glue layer which basically wraps the extension part, gaps are not easy to generate, and the waterproof performance of the connector is improved.

(2) The extending part is divided into the horizontal part and the vertical part, a first gap is formed between the vertical part and the main body part, and a second gap communicated with the first gap is formed between the extending part and the top wall of the metal shell, so that glue can be conveniently injected into the first gap, the lower surface of the extending part is firmly combined with the lower wall of the metal shell, the glue filled in the second gap can firmly combine the upper surface of the extending part with the upper wall of the metal shell, and the waterproof performance of the connector is further improved.

(3) Adopt entry and trompil, all be convenient for make glue flow to clearance one from clearance two, and enable glue and extension portion combination more firm, further improved the waterproof performance of connector.

(4) The concave cavity and the step structure are adopted, and the supporting bulge is adopted, so that the extending part is not combined with glue by a single smooth surface, the combination with the glue is tighter, and the waterproof performance of the connector is further improved.

(5) The clamping part is buckled with the clamping groove of the metal shell, and the clamping part is also subjected to sealing treatment, so that a gap between the clamping part and the wall of the clamping groove is sealed, and the waterproof performance of the connector is further improved.

(6) The metal shell adopts an integrated alloy shell, so that the production is convenient, the production efficiency is greatly improved, and the production process is simplified.

(7) The metal shell adopts the positioning column, can fix a position at PCB (circuit board), adopts straight base pin or flat pin, can weld and be used for fixing on PCB (circuit board) for it is more firm to fix.

(8) The metal terminal and the insulating body are integrally formed, so that the assembling time is reduced, and the waterproof effect is improved.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

FIG. 1 is an exploded view of a first embodiment of a Type-C-16P waterproof female connector.

Fig. 2 is a first schematic view of the insulation body in fig. 1.

Fig. 3 is a second schematic view of the insulation body in fig. 1.

Fig. 4 is a third schematic view of the insulating body in fig. 1.

Fig. 5 is a first schematic view of the metal housing in fig. 1.

Fig. 6 is a second schematic diagram of the metal housing in fig. 1.

Fig. 7 is a schematic view of the metal terminal of fig. 1.

Fig. 8 is a first combination schematic diagram of a first embodiment of a Type-C-16P waterproof female connector.

FIG. 9 is a second combination diagram of the first embodiment of the Type-C-16P waterproof female connector.

Fig. 10 is a schematic diagram of fig. 8 with the glue layer removed.

Fig. 11 is a schematic view of the metal shell and the waterproof rubber ring of fig. 8 removed.

Fig. 12 is a schematic view of fig. 11 with the glue layer removed.

Fig. 13 is a first schematic diagram of the glue layer in fig. 1.

Fig. 14 is a second schematic diagram of the glue layer in fig. 1.

Fig. 15 is a third schematic view of the glue layer of fig. 1.

Fig. 16 is a first combination schematic diagram of a second embodiment of the Type-C-16P waterproof female connector.

FIG. 17 is a second combination diagram of the second embodiment of the Type-C-16P waterproof female connector.

FIG. 18 is a first combination schematic diagram of a third embodiment of the Type-C-16P waterproof female connector.

Fig. 19 is a second combination schematic diagram of a third Type-C-16P waterproof female connector embodiment.

Fig. 20 is a first combination schematic diagram of a fourth embodiment of the Type-C-16P waterproof female connector.

FIG. 21 is a second schematic view of a fourth embodiment of the Type-C-16P waterproof female connector.

The reference numbers illustrate: the insulation body 1, the main body 11, the narrow portion 111, the wide portion 112, the fixture block 1121, the tongue 12, the extension portion 13, the horizontal portion 131, the vertical portion 132, the clamping portion 133, the first gap a, the second gap b, the inlet c, the opening d, the cavity e, the supporting protrusion f, the metal terminal 2, the contact portion 21, the fixing portion 22, the horizontal fixing portion 221, the vertical fixing portion 222, the welding portion 23, the stainless steel clamping hook 2a, the metal shell 3, the clamping groove 31, the protruding ring 32, the clamping groove 321, the positioning column 33, the straight pin 34, the waterproof rubber ring sleeving portion 35, the groove 351, the blocking edge 352, the flat attaching pin 36, the semicircular groove 361, the circular hole 362, the waterproof rubber ring 4, and the rubber layer 5.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like reference numerals represent like elements throughout.

Example one

Referring to fig. 1 to 15, the Type-C-16P waterproof female connector is used for charging a mobile power supply, a bluetooth, an electric toothbrush, an electronic cigarette, a tablet computer, and the like. The insulating body comprises an insulating body 1, a plurality of metal terminals 2 integrally formed with the insulating body 1, a metal shell 3 wrapping the insulating body 1, and a waterproof rubber ring 4 sleeved on the periphery of the metal shell 3. The metal terminal 2 and the insulating body 1 are integrally formed, so that the assembling time is reduced, and the waterproof effect is improved.

The insulating body 1 comprises a main body part 11 fixed in the metal shell 3, the front end surface of the main body part 11 extends forwards to form a tongue part 12 which is not contacted with the inner wall of the front part of the metal shell 3, and the upper surface and the lower surface of the tongue part 12 are distributed with contact parts 21 of the metal terminal 2. The main body 11 includes a narrow portion 111 and a wide portion 112 connected in sequence from front to back, the front end of the narrow portion 111 extends forward to form the tongue 12, the wide portion 112 is connected to the extending portion 13, and the cross-sectional dimension of the wide portion 112 is larger than the cross-sectional dimensions of the narrow portion 111 and the horizontal portion. Two stoppers 1121 are formed at the front of the bottom surface of the wide portion 112.

The rear end of the main body 11 is connected with an extension 13 which is positioned in the rear end of the metal shell 3 and is fixedly clamped with the metal shell 3, and the rear part of the inner wall of the metal shell 3 is combined with the extension 13 in a sealing way through a glue layer 5 which basically wraps the extension 13. The surface of the extension part 13 and the inner wall surface of the metal shell 3 are combined in a sealing mode through the glue layer 5, so that gaps are not prone to being generated, and the waterproof performance of the connector is improved. The soldering portion 23 of the metal terminal 2 is integrally formed with the extension portion 13 through the bottom surface of the extension portion. The extending portion 13 includes a horizontal portion 131 parallel to the main body 11 and connected to the rear end surface of the main body 11, and a vertical portion 132 vertically connected to the lower surface of the horizontal portion 131, the vertical portion 132 is located at the rear side of the main body 11 and forms a first gap a with the main body 11, a second gap b communicated with the first gap a is formed between the horizontal portion 131 and the vertical portion 132 and the top wall of the metal shell 3, and the glue layer 5 is filled in the first gap a and the second gap b. In the width direction of the insulating body 1, the width of the horizontal portion 131 is narrower than the widths of the vertical portion 132 and the main body portion 11, and both sides of the horizontal portion 131 in the width direction and both sides of the vertical portion 132 and the main body portion 11 in the width direction form an inlet c for communicating the gap one a and the gap two b, and the glue layer 5 is filled at the inlet c. The horizontal portion 131 is provided with two holes d penetrating through the upper surface and the lower surface of the horizontal portion 131, the two holes d are communicated with the first gap a and the second gap b, and the glue layer 5 is filled in each hole d. A concave cavity e is concavely arranged on the lower surface of the horizontal part 131 corresponding to the position of the hole d, the hole d is communicated with the concave cavity e, and the glue layer 5 is filled in the concave cavity e. The vertical portion 132 is a step structure with a narrow top and a wide bottom along the thickness of the front-back direction of the insulator 1, the glue layer 5 wraps the upper portion of the vertical portion 132, and the bottom of the vertical portion 132 is exposed out of the bottom of the glue layer 5. And a plurality of supporting bulges f protrude from the rear end surface of the upper narrow position of the stepped structure. The vertical portion 132 is extended along two sides of the width direction of the insulation body 1 to form a holding portion 133, the holding portion 133 is connected to both the upper narrow position and the lower wide position of the step structure, and the rear side and the top surface of the holding portion 133 are exposed out of the glue layer 5.

The plurality of metal terminals 2 have two upper rows and two lower rows, the upper rows are arranged side by side, the upper rows of contact portions 21 are exposed on the upper surface of the tongue portion 12, the lower rows are also arranged side by side, and the lower rows of contact portions 21 are exposed on the lower surface of the tongue portion 12. The fixing portion 22 of each metal terminal 2 includes a horizontal fixing portion 221 and a vertical fixing portion 222, and the horizontal fixing portion 221 of each metal terminal 2 is fixed in the horizontal portions 131 of the main body portion 11 and the extending portion 13 to improve the firmness of the installation of the metal terminal 2. The horizontal fixing portion 221 of the upper-row metal terminal 2 is located above the horizontal fixing portion 221 of the lower-row metal terminal 2. The lower portion of the vertical fixing portion 222 of each metal terminal 2 is fixed in the lower wide position of the vertical portion 132 of the extending portion 13, the upper portion of the vertical fixing portion 222 of each metal terminal 2 is exposed outside the vertical portion 132 of the extending portion 13 (i.e., exposed at the upper narrow position of the stepped structure), and the surface of each supporting projection f supports the upper portion of the vertical fixing portion 222 of one metal terminal 2. The vertical fixing portions 222 of the respective metal terminals 2 are all arranged in a row. The welding portions 23 of the respective metal terminals 2 are all arranged in a row and penetrate through the bottom surface of the vertical portion 132 protruding out of the extending portion 13, and the welding portions 23 of the metal terminals 2 are flat-mount (SMT) welding portions. Two sides of the upper and lower rows of metal terminals 2 are provided with independent stainless steel hooks 2a, and the stainless steel hooks 2a and the insulating body 1 are integrally formed and partially exposed at two sides of the tongue portion 12.

The metal housing 3 is an integrated alloy housing manufactured by die casting. The rear parts of the inner walls of the two sides of the metal shell 3 in the width direction are respectively recessed with a slot 31 matched with the corresponding clamping part 133. The rear part of the inner cavity wall of the metal shell 3 protrudes to form a circle of convex ring 32, the main body 11 is positioned at the inner periphery of the convex ring 32, and the clamping groove 31 is positioned at the rear side of the convex ring 32. The convex ring 32 is recessed with two engaging grooves 321 at the front side of the portion at the bottom wall of the inner cavity of the metal shell 3, and the two engaging grooves 321 are in one-to-one corresponding fit with the two blocks 1121, so that the main body 11 is firmly fixed in the metal shell 3. Two positioning columns 33 extend downwards from the bottom surface of the metal shell 3, so that the metal shell 3 can be conveniently positioned on a PCB (printed circuit board). Two sides of the metal shell 3 in the width direction respectively extend downwards vertically to form a straight pin 34, and the straight pins 34 are used for being welded on a PCB (circuit board) for fixing, so that the metal shell 3 is fixed more firmly. The front side of the metal shell 3 extends with a waterproof rubber ring sleeving part 35, the surface of the sealing ring sleeving part 35 is sunken to form a circle of groove 351, and the front side and the rear side of the groove 351 form a convex circle of blocking edges 352.

The waterproof rubber ring 4 is positioned in the groove 351 and used for improving the sealing performance during assembly.

Example two

Referring to fig. 16-17, the difference between the present embodiment and the first embodiment is only that: the periphery of the rear end of the sealing ring containing part 35 is expanded to form a ring of stopping edge 352.

EXAMPLE III

Referring to fig. 18-19, the difference between the present embodiment and the first embodiment is only: two sides of the metal shell 3 in the width direction respectively extend vertically to form a flat attaching foot 36, one side of the two flat attaching feet 36 facing opposite directions is provided with a semicircular groove 361, and the periphery of the rear end of the sealing ring sleeving part 35 is expanded outwards to form a ring of blocking edges 352.

Example four

Referring to fig. 20-21, the difference between the present embodiment and the first embodiment is only: two sides of the metal shell 3 in the width direction are respectively vertically extended with a flat attaching foot 36, each flat attaching foot 36 is provided with a round hole 362, and the periphery of the rear end of the sealing ring sleeving part 35 is expanded to form a ring of blocking edge 352.

In other embodiments, the horizontal portion 131 may be formed with an opening d penetrating upper and lower surfaces of the horizontal portion 131.

In other embodiments, glue layer 5 may wrap around the entire riser 132.

In other embodiments, only the back side of the holding portion 133 may be exposed outside the glue layer 5.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims (10)

1. The utility model provides a waterproof female connector of Type-C-16P, includes insulator, a plurality of metal terminals with insulator integrated into one piece and parcel insulator's metal casing, insulator is including being fixed in the main part in the metal casing, and the preceding terminal surface of main part extends forward and forms the tongue with the anterior inner wall contactless of metal casing, and the upper and lower surface distribution of tongue has metal terminal's contact site, its characterized in that: the rear end of main part is connected with the extension that is located metal casing rear end in and fixes with the metal casing block, and the inner wall rear portion of metal casing is through basically wrapping up the glue layer including with the extension and extension sealing combination, and the welding part of metal terminal runs through outside stretching out the extension.

2. The Type-C-16P waterproof female connector of claim 1, wherein: the extension part comprises a horizontal part which is parallel to the main body part and is connected with the rear end face of the main body part and a vertical part which is vertically connected with the lower surface of the horizontal part, the vertical part is positioned at the rear side of the main body part and forms a first gap with the main body part, a second gap which is communicated with the first gap is formed between the extension part and the top wall of the metal shell, and the glue layer is filled in the first gap and the second gap.

3. The Type-C-16P waterproof female connector according to claim 2, characterized in that: in the width direction of the insulating body, the width of the horizontal part is narrower than the widths of the vertical part and the main part, an inlet which enables the first gap and the second gap to be communicated is formed between the horizontal part and the vertical part, and a glue layer is filled at the inlet.

4. The Type-C-16P waterproof female connector of claim 3, wherein: the horizontal part is provided with at least one opening penetrating through the upper surface and the lower surface of the horizontal part, the opening is communicated with the first gap and the second gap, and the glue layer is filled in the opening.

5. The Type-C-16P waterproof female connector according to claim 4, wherein: the lower surface of the horizontal part is concavely provided with a concave cavity corresponding to the position of the opening, the opening is communicated with the concave cavity, and the glue layer is filled in the concave cavity.

6. The Type-C-16P waterproof female connector according to claim 5, wherein: the number of the openings is two.

7. The Type-C-16P waterproof female connector of claim 2, wherein: the vertical portion is a stepped structure with the thickness in the front-back direction of the insulating body being narrow at the top and wide at the bottom, the glue layer at least wraps the upper portion of the vertical portion, the welding portion of each metal terminal penetrates through the bottom surface of the vertical portion to extend out of the bottom surface of the vertical portion, and the fixing portion of each metal terminal is partially exposed out of the narrow-top position of the stepped structure.

8. The Type-C-16P waterproof female connector according to claim 7, wherein: the rear end face of the upper narrow position of the stepped structure is provided with a plurality of supporting bulges in a protruding mode, and the surface of each supporting bulge supports the fixing portion of one metal terminal.

9. The Type-C-16P waterproof female connector according to claim 7, wherein: the vertical portion expands outwards along two sides of the width direction of the insulating body to form clamping portions, the clamping portions are connected with the upper narrow position and the lower wide position of the step structure, the clamping portions are partially exposed outside the glue layer, and clamping grooves matched with the corresponding clamping portions are respectively recessed in the rear portions of the inner walls of the two sides of the metal shell in the width direction.

10. The Type-C-16P waterproof female connector according to any one of claims 1 to 9, wherein: the metal shell is an integrated alloy shell, a positioning column extends downwards from the bottom surface of the metal shell, two sides of the metal shell in the width direction extend to form a straight pin or a flat pin, a waterproof rubber ring sleeving part extends from the front side of the metal shell, the periphery of the rear end of the sealing ring sleeving part is expanded outwards to form a circle of blocking edge, or the surface of the sealing ring sleeving part is sunken to form a circle of groove, and the front side and the rear side of the groove are both formed into a convex circle of blocking edge.

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