CN217740847U - Tongue piece exposed double-shell Type-C connector - Google Patents
Tongue piece exposed double-shell Type-C connector Download PDFInfo
- Publication number
- CN217740847U CN217740847U CN202221814783.3U CN202221814783U CN217740847U CN 217740847 U CN217740847 U CN 217740847U CN 202221814783 U CN202221814783 U CN 202221814783U CN 217740847 U CN217740847 U CN 217740847U
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- metal shell
- metal
- tongue
- connector
- shell
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- 239000002184 metal Substances 0.000 claims abstract description 108
- 239000012212 insulator Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 38
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 9
- 238000005476 soldering Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses an exposed double shell Type-C connector of tongue piece, it includes: the connector comprises an insulating body, a plurality of connecting terminals arranged in the insulating body, a first metal shell sleeved on the insulating body and a second metal shell which is covered on the first metal shell and is used for being welded and fixed on a circuit board, wherein a tongue plate part in the insulating body protrudes out of the first metal shell and the second metal shell. Adopt first metal casing and the fixed insulator of second metal casing to set up hyoplastron portion for stretching out first metal casing and second metal casing, make back in installing the product housing, hyoplastron portion directly stretches into in the mounting hole, and first metal casing and second metal casing support and press on the housing inner wall, not only can improve the stability of connector assembly, can shorten the length of connector installation position moreover, and then save occupation space.
Description
The technical field is as follows:
the utility model relates to a connector field refers in particular to an exposed double shell Type-C connector of tongue piece.
Background art:
at present, in the traditional Type-C connector on the market, the tongue plate is usually located in the metal shell and generally has a single shell structure, so that a large enough mounting hole needs to be reserved at the interface of the electronic product shell frame, and the shell of the connector needs to be embedded in the mounting hole, so that the mounting structure of the connector is unstable.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art's not enough, provide a tongue piece exerted double shell Type-C connector.
In order to solve the technical problem, the utility model discloses a following technical scheme: a tongue-exposed double shell Type-C connector comprising: the connector comprises an insulating body, a plurality of connecting terminals arranged in the insulating body, a first metal shell sleeved on the insulating body and a second metal shell which is covered on the first metal shell and used for being welded and fixed on a circuit board, wherein a tongue plate part in the insulating body protrudes out of the front end surfaces of the first metal shell and the second metal shell.
Further, in the above technical solution, a length of a portion of the tongue portion protruding from the first metal shell and the second metal shell is 2.45mm.
Furthermore, in the above technical solution, two sides of the second metal shell are bent to form a welding plate portion attached to the circuit board, and two sides of the second metal shell are further provided with a balance pad height structure abutting against the circuit board and used for supporting and lifting the welding plate portion.
Further, in the above technical solution, the balance heightening structure is a first protruding portion formed on the bottom surface of the welding plate portion.
Further, in the above technical solution, the balance step-up structure is a first raised strip portion formed on the side walls of the second metal shell and protruding the bottom surface of the welding plate portion.
Furthermore, in the above technical solution, the first positioning welding pin inserted into the circuit board is further bent and formed on the welding plate portion.
Furthermore, in the above technical solution, the bent portions at two ends of the second metal shell are arc-shaped chamfered surfaces, and at least two convex grid ribs bent along the arc surface are formed on the arc-shaped chamfered surfaces.
Further, in the above technical solution, the first metal shell and the second metal shell are connected by a plurality of butt-welding points; the first metal shell is formed by bending and stamping a metal plate, two ends of the metal plate are connected together through a dovetail buckle, the dovetail buckle is positioned on the upper end face of the first metal shell, and gaps of the dovetail buckle are fixed through a plurality of welding points.
Further, in the above technical solution, a convex hull for increasing the insertion and extraction force is disposed on the inner wall of the first metal housing.
Furthermore, in the above technical solution, two sides of the rear end of the first metal shell are formed with second positioning welding pins for inserting into the circuit board for welding and fixing, and the upper and lower end faces of the rear part of the first metal shell are stamped with a first limiting protrusion and a second limiting protrusion for limiting the insulation body, and the first limiting protrusion and the second limiting protrusion are both arranged in parallel; first spacing protruding side still symmetry be provided with can buckle to buckle and detain into carry out the first elasticity card arm and the second elasticity card arm of screens in the insulator, insulator's upper and lower both sides shaping have with first spacing arch with the spacing protruding first constant head tank and the second constant head tank of matcing the location of second, just first constant head tank side still the shaping have be used for with first elasticity card arm with the second elasticity card arm matches the first draw-in groove and the second draw-in groove of screens.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses well adopt first metal casing and the fixed insulator of second metal casing to set up hyoplastron portion into stretching out first metal casing and second metal casing, make back in installing the product housing, hyoplastron portion directly stretches into in the mounting hole, and first metal casing and second metal casing support to press on the housing inner wall, not only can improve the stability of connector assembly, can shorten the length of connector installation position moreover, and then save occupation space.
Description of the drawings:
fig. 1 is a first perspective view of a first embodiment of the present invention;
fig. 2 is a perspective view of a second embodiment of the present invention;
fig. 3 is a perspective view of a first embodiment of the present invention;
fig. 4 is an exploded view of a first embodiment of the present invention;
fig. 5 is an exploded view of the second embodiment of the present invention;
fig. 6 is a perspective view of the middle insulator of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1 to 6, a tongue-exposed double housing Type-C connector is shown, which comprises: the connector comprises an insulating body 1, a plurality of connecting terminals arranged in the insulating body 1, a first metal shell 2 sleeved on the insulating body 1 and a second metal shell 3 which is covered on the first metal shell 2 and is used for being welded and fixed on a circuit board 4, wherein a tongue plate part 10 in the insulating body 1 protrudes out of the front end surfaces of the first metal shell 2 and the second metal shell 3. Adopt first metal casing 2 and the fixed insulator 1 of second metal casing 3 to set up tongue plate portion 10 into stretching out first metal casing 2 and second metal casing 3, make back in installing the product housing, tongue plate portion 10 directly stretches into in the mounting hole, and first metal casing 2 and second metal casing 3 support and press on the housing inner wall, not only can improve the stability of connector assembly, can shorten the length of connector installation position moreover, and then save occupation space.
The length of the part of the tongue plate portion 10 protruding from the first metal shell 2 and the second metal shell 3 is 2.45mm.
The two sides of the second metal shell 3 are bent to form welding plate portions 31 attached to the circuit board 4, and the two sides of the second metal shell 3 are further provided with balance pad-up structures which are pressed on the circuit board 4 and used for supporting and lifting the welding plate portions 31. Will weld plate portion 31 too high through balanced bed hedgehopping structure, make and produce certain clearance between weld plate portion 31 and the circuit board 4 to in the time of the welding, tin liquid can get into between weld plate portion 31 and the circuit board 4, in order to promote welded stability, avoid appearing the rosin joint.
In the first embodiment, the balance step-up structure is a first protruding portion 51 formed on the bottom surface of the welding plate portion 31.
In the second embodiment, the balance step-up structure is a first raised strip portion 52 formed on the side walls of the second metal shell 3 and protruding from the bottom surface of the welding plate portion 31.
The soldering plate portion 31 is further formed by bending a first positioning soldering foot 32 inserted into the circuit board 4.
The bent parts at the two ends of the second metal shell 3 are arc-shaped chamfered surfaces, and at least two convex grid ribs 33 bent along the arc surface are formed on the arc-shaped chamfered surfaces. The bent parts at the two ends of the second metal shell 3 are provided with the convex grid ribs 33, so that the strength of the arc-shaped chamfer is improved.
The first metal shell 2 and the second metal shell 3 are connected through a plurality of touch welding points 6; first metal casing 2 is that the metal sheet is buckled the punching press and is linked together both ends through dovetail 27, and this dovetail 27 is located first metal casing 2's up end, just it is fixed through a plurality of solder joints between dovetail 27's the gap. This forked tail is detained 27 including the forked tail convex part that is located metal sheet one end and the dovetail that is located the metal sheet other end, buckles the butt joint with the metal sheet both ends through the mode of punching press to make forked tail convex part and dovetail detain together, again through carrying out welded fastening to the clearance between 27 and the metal sheet both ends of forked tail knot, in order to prevent that 27 atress springs open of forked tail knot, improve first metal casing 2's stability. Meanwhile, because the second metal shell 3 is superposed on the first metal shell 2, the dovetail fastener 27 can be directly arranged on the upper end surface of the first metal shell 2 without considering the traditional arrangement of the dovetail fastener 27 on the same side of the bottom of the first metal shell 2 and the second positioning welding foot 22 for the aesthetic property, and the stability of the dovetail fastener 27 can be further improved because the butt-welding point 6 for welding the first metal shell 2 and the second metal shell 3 is also arranged on the upper end surface. Secondly, adopt laser electric welding's mode welded junction five at least touch welding point 6 between first metal casing 2 with second metal casing 3, promote welded stability.
The inner wall of the first metal shell 2 is provided with a convex hull 21 for increasing the insertion and extraction force. After the connector of the version with the exposed tongue plate 10 is adopted, the holding section is small when the male connector is inserted, so that the inserting and pulling holding force and the hand feeling are increased by adding two convex hulls 21.
Second positioning welding pins 22 for inserting into the circuit board 4 for welding and fixing are formed on two sides of the rear end of the first metal shell 2, a first limiting bulge 23 and a second limiting bulge 24 for limiting the insulation body 1 are stamped and formed on the upper end face and the lower end face of the rear part of the first metal shell 2, and two first limiting bulges 23 and two second limiting bulges 24 are arranged in parallel; first spacing protruding 23 side still symmetry is provided with and buckles into can buckle first elasticity card arm 25 and the second elasticity card arm 26 of carrying out the screens in insulator 1, insulator 1's upper and lower both sides shaping have with first spacing protruding 23 with the spacing protruding 24 of second matches the first constant head tank 11 and the second constant head tank 12 of location, just 11 sides of first constant head tank still the shaping have be used for with first elasticity card arm 25 with second elasticity card arm 26 matches the first draw-in groove 13 and the second draw-in groove 14 of screens.
To sum up, in the assembly of the present invention, firstly, a plurality of connecting terminals are integrally formed in the insulating body 1 by means of in-film injection molding, and then the tongue plate 10 of the insulating body 1 is inserted into the first metal shell 2 from the rear end of the first metal shell 2, and is clamped into the first positioning groove 11 and the second positioning groove 12 of the insulating body 1 by the first limiting protrusion 23 and the second limiting protrusion 24 on the first metal shell 2, so as to position the insulating body 1 in the first metal shell 2 in a limiting manner; further, the first elastic clamping arm 25 and the second elastic clamping arm 26 on the first metal shell 2 are pressed and clamped into the first clamping groove 13 and the second clamping groove 14 on the insulating body 1, so that the first metal shell 2 and the insulating body 1 are fixed together; further, a second metal shell 3 is superposed on the first metal shell 2, and the second metal shell 3 is fixed on the first metal shell 2 by means of laser electric welding; furthermore, the second positioning welding pin 22 on the first metal shell 2 and the first positioning welding pin 32 on the second metal shell 3 are inserted into the welding positioning hole on the circuit board 4, and then the second positioning welding pin 22, the welding plate portion 31 and the first positioning welding pin 32 are fixed on the circuit board 4 in a tin soldering manner.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A tongue piece exposed double shell Type-C connector, comprising: insulator (1), a plurality of set up in connecting terminal, cover in insulator (1) are located first metal casing (2) and cover on insulator (1) are located on first metal casing (2) and be used for welded fastening to second metal casing (3) on circuit board (4), just tongue portion (10) protrusion in insulator (1) in first metal casing (2) with the preceding terminal surface of second metal casing (3).
2. The tongue-exposed double-housing Type-C connector of claim 1, wherein: the length of the part of the tongue plate part (10) protruding out of the first metal shell (2) and the second metal shell (3) is 2.45mm.
3. The tongue-exposed double-housing Type-C connector of claim 2, wherein: and welding plate parts (31) attached to the circuit board (4) are bent and formed on two sides of the second metal shell (3), and balance padding structures which are pressed on the circuit board (4) and used for supporting and lifting the welding plate parts (31) are further arranged on two sides of the second metal shell (3).
4. The tongue-exposed double-shell Type-C connector according to claim 3, wherein: the balance heightening structure is a first protruding part (51) formed on the bottom surface of the welding plate part (31).
5. The tongue-exposed double-shell Type-C connector according to claim 3, wherein: the balance heightening structure is a first convex strip part (52) which is formed on the side walls of two sides of the second metal shell (3) and protrudes out of the bottom surface of the welding plate part (31).
6. A tongue-exposed double shell Type-C connector according to claim 4 or 5, wherein: the welding plate part (31) is also bent and formed with a first positioning welding pin (32) inserted into the circuit board (4).
7. The tongue-exposed double-shell Type-C connector of claim 6, wherein: the two ends of the second metal shell (3) are bent into arc-shaped chamfer surfaces, and at least two convex grid ribs (33) bent along the arc surface are formed on the arc-shaped chamfer surfaces.
8. The tongue-exposed double-shell Type-C connector of claim 6, wherein: the first metal shell (2) is connected with the second metal shell (3) through a plurality of touch welding points (6); first metal casing (2) are buckled the punching press for the metal sheet and link together both ends through dovetail (27), and this dovetail (27) are located the up end of first metal casing (2), just it is fixed through a plurality of solder joints between the gap of dovetail (27).
9. The tongue-exposed double-shell Type-C connector of claim 6, wherein: and a convex hull (21) used for increasing the insertion and extraction force is arranged on the inner wall of the first metal shell (2).
10. A tongue-exposed double shell Type-C connector according to any one of claims 7-9, wherein: second positioning welding pins (22) which are inserted into the circuit board (4) and are welded and fixed are formed on two sides of the rear end of the first metal shell (2), a first limiting bulge (23) and a second limiting bulge (24) which are used for limiting the insulation body (1) are stamped and formed on the upper end face and the lower end face of the rear part of the first metal shell (2), and two first limiting bulges (23) and two second limiting bulges (24) are arranged in parallel; first spacing arch (23) side still symmetry be provided with can buckle and detain income first elasticity card arm (25) and second elasticity card arm (26) of carrying out the screens in insulator (1), the upper and lower both sides shaping of insulator (1) have with first spacing arch (23) with first constant head tank (11) and second constant head tank (12) that the spacing arch of second (24) matchd the location, just first constant head tank (11) side still the shaping be used for with first elasticity card arm (25) with first draw-in groove (13) and second draw-in groove (14) that second elasticity card arm (26) matchd the screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814783.3U CN217740847U (en) | 2022-07-13 | 2022-07-13 | Tongue piece exposed double-shell Type-C connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814783.3U CN217740847U (en) | 2022-07-13 | 2022-07-13 | Tongue piece exposed double-shell Type-C connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217740847U true CN217740847U (en) | 2022-11-04 |
Family
ID=83849196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221814783.3U Active CN217740847U (en) | 2022-07-13 | 2022-07-13 | Tongue piece exposed double-shell Type-C connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217740847U (en) |
-
2022
- 2022-07-13 CN CN202221814783.3U patent/CN217740847U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 523000 Room 203, building 3, No. 2, jingzitou Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Dongguan quanshengtong precision components Co.,Ltd. Patentee after: Shenzhen Huawang Precision Electronics Co.,Ltd. Address before: 523000 Room 203, building 3, No. 2, jingzitou Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: Dongguan quanshengtong precision components Co.,Ltd. |