CN201008032Y - Connector - Google Patents

Abstract

The utility model discloses a connector, locate the outside metal casing of this insulator including insulator, accept in a plurality of terminals and the cover of this insulator inside. The two sides of the upper surface of the main body of the insulating body respectively extend forwards to form a first front arm and a second front arm, the first front arm is provided with a first fixing column in a downward protruding mode, the second front arm is provided with a second fixing column in a downward protruding mode, and the tail ends of the fixing columns are flush with the bottom of the main body. The metal shell is characterized in that two sides of a top plate of the metal shell respectively extend forwards to form a first shielding part buckled on a first front arm and a second shielding part buckled on a second front arm, the edge of the first shielding part is bent downwards to extend to form a first plug-in pin arranged at an interval with a first fixed column, the edge of the second shielding part is bent downwards to extend to form a second plug-in pin arranged at an interval with a second fixed column, and the tail ends of the plug-in pins are slightly lower than the tail ends of the fixed columns. The utility model discloses a connector reaches to reduce and uses through above-mentioned structure the utility model discloses the effect of the electronic product thickness of connector.

Description

Connector

Technical field

The utility model relates to a connector, in particular to a connector welded on a printed circuit board.

Background technique

With the rapid development of the electronics industry, various electronic products have been widely used, and with the advancement of science and technology and the improvement of people's use requirements, the thinning and thinning of electronic equipment has increasingly become the trend of electronic product research and development, which is also in this industry. caused fierce competition.

When the existing connector products are connected to the printed circuit board, most of them adopt the method of directly soldering the connector to the surface of the printed circuit board. Correspondingly, the connector also protrudes downward from the bottom of its metal shell or plastic body to provide welding feet or plug-in components for fixing the connector. Since the welding of the above-mentioned connection method is realized on the surface of the printed circuit board, the thickness of the electronic product using this welding technology is increased, which not only does not meet the trend of light and thin product design, does not meet the consumer market's demand for thin and light products, but also wastes valuable design space on the surface of the printed circuit board.

Utility model content

The purpose of the utility model is to provide a connector for the defects of the above-mentioned background technology, so as to save the design space on the surface of the printed circuit board and reduce the thickness of the electronic product using the connector of the utility model.

In order to achieve the above purpose, the connector provided by the utility model includes an insulating body, a plurality of terminals and a metal shell. The insulating body has a plurality of terminal slots corresponding to accommodate the terminals, and the metal shell is sheathed outside the insulating body. Both sides of the upper surface of the main body of the insulating body extend forward and respectively form a first forearm and a second forearm. posts, and the ends of the fixed posts are flush with the bottom of the main body of the insulating body. Two sides of the top plate of the metal casing respectively extend forward to form a first shielding portion buckled to the first forearm and a second shielding portion buckled to the second forearm. The first shielding part is bent and extended downwards at the edge to form a first plug pin spaced apart from the first fixing column, and the second shielding part is bent and extended downwards at the edge to form a spaced distance from the second fixing column The second plug pins are provided, and the ends of these plug pins are slightly lower than the ends of the two fixing posts.

As mentioned above, the connector of the utility model is fixed on one side of the printed circuit board through the fixing column arranged at the front end of the insulating body and the plug pin at the front end of the metal shell are inserted into the corresponding socket structure on the edge of the printed circuit board, thereby The precious design space on the surface of the printed circuit board is saved, the thickness of the electronic product using the connector is reduced, and the design trend of thinner and thinner electronic products is also complied with.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional exploded view of the connector of the present invention.

Fig. 2 is a perspective view of the insulating body of the present invention.

Fig. 3 is a perspective view from another angle of the insulating body of the present invention.

FIG. 4 is a three-dimensional assembled view showing the terminals assembled in the insulating housing.

Fig. 5 is a perspective view of the metal shell of the present invention.

Fig. 6 is a three-dimensional assembled view of the connector of the present invention.

Fig. 7 is a three-dimensional assembled view of another angle of the connector of the present invention.

Fig. 8 is a three-dimensional assembled view of another angle of the connector of the present invention.

The reference numerals of each element in the figure are explained as follows:

Connector 1 Insulation body 10

Main Body 11 First Forearm 111a

Second forearm 111b concave corner 1110

First fixed column 112a Second fixed column 112b

The first fixed block 113 The second fixed block 114

Groove 115 Seat 12

Terminal slot 121 Terminal hole 121a

Slot 121b Clamping groove 13

Clip Groove 131 Clip 132

Slot 133 Terminal 20

Conductive terminal 20a Grounding terminal 20b

Holding part 21 Long body 22

Bending part 23 Welding part 24

Metal Case 30 Top Plate 31

First shielding part 311a Second shielding part 311b

First pin 312a Second pin 312b

Fitting mouth 313 Fitting hole 314

Flap 315 Bottom plate 32

Notch 321 Fool-proof slot 322

Lug 323 Side Plate 33

Missing groove 331 Clamping piece 332

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following examples are given and described in detail in conjunction with the drawings.

Please refer to FIG. 1 , the connector 1 of the present invention includes an insulating body 10 , a plurality of terminals 20 and a metal shell 30 . The insulating body 10 accommodates the terminals 20 to conduct electric signals, and the metal shell 30 is sheathed on the outside to realize the effect of signal shielding and fixing the connector 1 of the present invention.

Referring to FIG. 2 , the insulating body 10 has a main body 11 , which is a rectangular frame structure extending laterally, and its front surface is hollowed out. Both sides of the front end of the upper surface of the main body 11 respectively extend forward to form a first forearm 111 a and a second forearm 111 b of equal length. The outer corner of the front end of the first forearm 111 a is hollowed inward to form a concave corner 1110 . The front end of the first forearm 111a protrudes downward from the inner side of the concave corner 1110 to define a cylindrical first fixing post 112a. The inner side of the front end of the second forearm 111b is cut to form a slope, and a cylindrical second fixing column 112b extends downwards from the outside of the slope. The first fixing column 112 a and the second fixing column 112 b respectively extend downwards, and their ends are flush with the bottom of the insulating housing 10 .

The upper surface of the main body 11 is substantially horizontal, and a first fixed block 113 protrudes upwards from a substantially transverse middle portion thereof. middle part. Two sides of the first fixing block 113 protrude to form a second fixing block 114 . The rear ends of the two second fixing blocks 114 are inclined and gradually flush with the rear ends of the upper surface of the main body 11 , and the front ends extend to approximately the longitudinal middle of the upper surface of the main body 11 . A row of terminal holes 121 a penetrating through the main body 11 is disposed transversely in the middle of the main body 11 . Corresponding to the terminal holes 121a, a flat plate-shaped seat 12 is connected to the rear side of the main body 11 . A slot 121b is formed on the upper surface of the base 12 corresponding to each terminal hole 121a. Each terminal hole 121a and its corresponding slot 121b form a terminal groove 121 for receiving a terminal 20 . In addition, inner bases of the first forearm 111 a and the second forearm 111 b are respectively recessed into the main body 11 to form a groove 115 , and the groove 115 penetrates the main body 11 up and down.

Please refer to FIG. 3 , the middle part of the lower end of the main body 11 protrudes downward along its front to form a clamping groove 13 extending transversely, and the bottom of the clamping groove 13 is bent and extended to the rear side to form a clamping groove 131 with a clamping function. The two sides of the bottom wall of the clip groove 131 respectively extend to form a horizontally protruding clip 132 . A slot 133 is horizontally defined in the middle of the clamping slot 13 , one side of the slot 133 is connected to the clamping slot 131 , and the other side is communicated with the outside.

Please refer to FIG. 1 and FIG. 4 together, the terminal 20 includes a flat holding portion 21, one end of the holding portion 21 extends backward to form a thinner elongated body 22, and the other end is bent forward and upward in an “S” shape. A bending portion 23 , the end of the bending portion 23 extends forward horizontally to form a welding portion 24 . When assembled in the insulating body 10, the holding portion 21 is accommodated in the terminal hole 121a, and the elongated body 22 is correspondingly accommodated in the slot 121b of the socket 12 to electrically connect with an external device (not shown). . The bent portion 23 protrudes forward from the terminal hole 121a, and the soldering portion 24 is used for soldering with an external printed circuit board (not shown).

The terminals 20 can be further divided into conductive terminals 20a and ground terminals 20b, both of which have the same structure, but the elongated body 22 of the ground terminal 20b is slightly longer than the elongated body 22 of the conductive terminals 20a. During assembly, the ground terminals 20b are respectively assembled on both sides and the middle of the terminal slots 121 .

The metal shell 30 covers the exterior of the insulating body 10 and is provided with corresponding structures. Please refer to FIG. 5 , the metal casing 30 includes a top plate 31 , a bottom plate 32 and side plates 33 on both sides. To cover the first forearm 111a and the second forearm 111b of the insulative housing 10 , the metal shell 30 has a first shielding portion 311a and a second shielding portion 311b respectively extending forward on both sides of the top plate 31 . The front outer side of the first shielding portion 311a is bent downward to form a first insertion leg 312a, and a slot 331 is formed between the first insertion leg 312a and the side plate 33 on the same side. During assembly, the first plug pin 312a is located outside the first fixing post 112a. The outer side of the second shielding portion 311b forms a baffle connected to the side plate 33 on the side, and is bent downward on the inner side of the front end to form a second insertion pin 312b. During assembly, the second plug pin 312b is placed inside the second fixing column 112b. The ends of the first plugging pin 312 a and the second plugging pin 312 b extend to the plane of the bottom plate 32 , slightly lower than the ends of the first fixing post 112 a and the second fixing post 112 b.

The two plug pins 312a, 312b are two-body structures arranged side by side and spaced apart. The opposite sides of the two split bodies are vertical, and the other side is in the shape of a shuttle with narrower upper and lower ends and a protruding middle part. , so as to play an elastic clamping role when inserted into an external printed circuit board. There is a certain distance between the plug pins 312a, 312b and the corresponding fixing columns 112a, 112b, so that both of them can be independently inserted into the corresponding socket structures on the external printed circuit board in use. In a specific embodiment, the positions of the first plugging pin 312a and the second plugging pin 312b are not limited to the side surfaces of the first shielding part 311a and the second shielding part 311b, and can also be respectively arranged on the two shielding parts Front ends of 311a, 311b.

Please refer to FIGS. 5 to 8 , the middle part of the front end of the top plate 31 is inwardly recessed to form a fitting opening 313 for snapping into the first fixing block 113 of the insulating body 10 , thereby preventing the metal shell 30 from continuing to work after being fixed. Move forward; the top plate 31 at the left and right sides of the fitting opening 313 is respectively provided with a fitting hole 314, which is respectively used to engage the two second fixing blocks 114 of the insulating body 10 to assist in fixing the metal shell 30; the top plate 31 The front end is provided with a flap 315 on the inner side of the base of the first and second shielding parts 311a and 311b. During assembly, the two flaps 315 are bent downward and fitted into the groove 115 of the insulating body 10 to prevent insulation. Continue to move forward after the main body 10 is assembled. Two notches 321 are defined on the front end of the bottom plate 32 near two sides, and a protruding piece 323 is formed between the two notches 321 . During assembly, the clamping groove 131 of the insulating body 10 clamps the notch 321 , the clamping piece 132 assists in clamping the bottom plate 32 of the metal casing 30 , and the protruding piece 323 is inserted into the slot 133 to fix the metal casing 30 Connection with insulating body 10. In addition, two anti-fooling slots 322 are vertically arranged at the rear of the bottom plate 32. The two anti-fooling slots 322 are located under the seat 12 of the insulating body 10, and the distance between them conforms to the standard design commonly used in the industry, and is subject to the ability to accommodate the insertion of external devices. . The middle part of the side wall 33 of the metal shell 30 protrudes outwards to provide a sheet-shaped clamping piece 332 for clamping when the connector 1 of the present invention is welded to an external printed circuit board, so as to maintain its horizontal welding.

As mentioned above, through the first and second fixing columns 112a and 112b arranged at the front end of the insulating body 10 and the first and second pins 312a and 312b at the front end of the metal shell 30, the utility model connector 1 is inserted into the external The corresponding jack structure of the printed circuit board is fixed on one side of the printed circuit board, thus saving valuable design space on the surface of the printed circuit board, reducing the thickness of the electronic product using the connector 1, and conforming to the electronic The design trend of thinner and lighter products.

Claims (9)

1. A connector, comprising: The insulating body has a main body extending laterally, and the insulating body is provided with a plurality of terminal slots; a plurality of terminals correspondingly accommodated in corresponding terminal grooves of the insulating body; and a metal shell covering the outside of the insulating body, including a top plate, a bottom plate and two side plates; Its characteristics are: Both sides of the upper surface of the main body of the insulating body extend forward respectively to form a first forearm and a second forearm. The first forearm protrudes downward to set a first fixing column, and the second forearm protrudes downward to set a second fixing column. posts the ends of which are flush with the bottom of the main body of the insulating body; Both sides of the top plate of the metal casing extend forward respectively to form a first shielding part buckled on the first forearm and a second shielding part buckled on the second forearm, and the first shielding part is bent downward at the edge The second shielding part is bent and extended downwards at the edge to form a second insertion pin spaced apart from the second fixing column. These insertion pins The end is slightly below the end of the fixed post. 2. The connector according to claim 1, characterized in that: the first and second plug pins are two-body structures arranged side by side and spaced apart, and the opposite sides of the two split bodies are vertical , and the other side is in the shape of a shuttle with narrow upper and lower ends and a convex middle. 3. The connector according to claim 1, characterized in that: the outer corner of the front end of the first forearm is inwardly recessed to form a concave angle, the first fixing column is arranged inside the concave angle, and the second An inclined surface is formed on the inner side of the front end of the forearm, and the second fixing column is arranged on the outer side of the inclined surface. 4. The connector according to claim 3, wherein the first insertion pin is formed at the outer front end of the first shielding portion, so that the first insertion pin is located outside the first fixing column, the A baffle plate is formed on the outside of the second shielding portion, and the second insertion pin is formed on the inner front end of the second shielding portion, so that the second insertion pin is located on the inner side of the second fixing column. 5. The connector according to claim 1, characterized in that: the lateral middle part of the upper surface of the main body protrudes upward to form a first fixing block, and each side of the first fixing block protrudes to form a second fixing block , the rear ends of the second fixed blocks extend obliquely to the rear end of the upper surface of the main body, and the front end of the top plate of the metal shell is recessed to form a fitting opening corresponding to the first fixed block, and two fitting openings are provided corresponding to the two second fixed blocks. The first fixing block abuts against the fitting hole, and the two second fixing blocks are correspondingly inserted into the two fitting holes. 6. The connector according to claim 1, characterized in that: the middle part of the lower end of the main body of the insulating body protrudes downward along its front face to form a transversely extending clamping groove, and the clamping groove defines a transverse An extended narrow slot, the bottom of the clamping slot is bent backward to form a clamping slot, and the middle part of the front end of the bottom plate of the metal shell protrudes forward to set a lug to be inserted into the slot, and each side of the lug is A concave notch is provided for inserting into the clamping groove. 7 . The connector according to claim 6 , wherein two sides of the bottom wall of the clip groove respectively extend to form a protruding clip to further clip the bottom plate of the metal housing. 8. The connector according to claim 1, characterized in that: the front end of the insulating body is provided with a vertically penetrating groove on the inner side of the first and second forearm bases, and the front end of the metal shell top plate is located at the first , The inside of the base of the second shielding part is respectively provided with a long folded piece, and the folded piece is bent downwards and inserted into the groove of the insulating body. 9 . The connector according to claim 1 , wherein a thin sheet-shaped clamping piece protrudes outward from a middle portion of one side wall of the metal shell. 10 .

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