CN217468945U - Electrical connector - Google Patents

Abstract

The utility model provides an electric connector, including insulator, fixed in a plurality of conductive terminal of insulator and cladding casing outside insulator, insulator includes the base and extends the tongue that forms forward from the base, the casing fixed in the base, the casing extends the base backward and forms the encapsulating chamber, conductive terminal include the fixed portion of base, from the fixed portion forward extend expose in the butt joint surface's of tongue contact portion, from the fixed portion backward extend the base and extend the rake that goes into the encapsulating intracavity and extend the extension that has the welding foot in the encapsulating chamber backward from the rake from the slope in upper and lower tilt up, the encapsulating intracavity is irritated and is established the waterproof glue in order to form waterproof slab, the base not to the protruding rake in order to make to be located the encapsulating intracavity is by waterproof slab cladding. Because the waterproof rubber plate only covers the conductive part, the waterproof rubber has good fluidity, so that the waterproof performance of the electric connector is good.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector for inserting in a forward direction and a reverse direction.

[ background of the invention ]

Chinese utility model No. CN206727341U discloses an electrical connector, which comprises an insulating body, conductive terminals housed in the insulating body, and a housing sleeved outside the insulating body. The insulating body comprises a base, a tongue portion and an insulating block, the tongue portion extends forwards from the base, the insulating block extends backwards from the base integrally, the shell is fixedly held on the base, an inserting cavity is formed between the shell and the tongue portion, a glue filling cavity is formed by the shell extending backwards from the rear end of the base, and waterproof glue is filled in the glue filling cavity to form a waterproof glue board. The conductive terminal comprises a holding part held on the base, a contact part formed by extending forwards from the holding part and exposed on the butt joint surface of the tongue part, an extension part extending backwards from the holding part into the glue filling cavity and an extension part extending backwards from the extension part out of the glue filling cavity, a connecting part arranged between the insulating block and the base is positioned in the glue filling cavity, the waterproof rubber plate further coats the connecting part except for coating the extension part of the conductive terminal, the connecting part blocks the flow of waterproof glue, the coating of the waterproof rubber plate on the extension part of the conductive terminal is influenced, and the waterproof performance of the electric connector is influenced.

Accordingly, there is a need for an improved electrical connector that overcomes the above-mentioned deficiencies.

[ Utility model ] content

An object of the utility model is to provide an electric connector that waterproof performance is good.

The purpose of the utility model is realized through the following technical scheme: an electrical connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a shell covering the insulating body, the insulating body comprises a base and a tongue part formed by extending forwards from the base, the shell is fixed on the base, the shell extends out of the base backwards to form a glue filling cavity, the conductive terminal comprises a fixing part fixed on the base, a contact part extending forwards from the fixing part and exposed on the butt joint surface of the tongue part, an inclined part extending backwards from the fixing part out of the base and extending into the glue filling cavity in the up-down direction in an inclined way, and an extending part extending backwards from the inclined part out of the glue filling cavity and provided with a welding pin, and pouring waterproof glue in the glue pouring cavity to form a waterproof glue board, wherein the base does not protrude into the glue pouring cavity so that the inclined part in the glue pouring cavity is coated by the waterproof glue board.

Furthermore, the holding part of the conductive terminal horizontally extends backwards out of the base to form a horizontal part located in the glue filling cavity, and the inclined part is formed by upward inclined extension of the horizontal part.

Furthermore, the insulation body further comprises an insulation block which is arranged behind the base and is separated from the base in the front-back direction, the insulation block is injection molded on the extension part without wrapping the inclined part, and the extension part comprises an embedding part which is injection molded on the insulation block and a welding pin which extends out of the insulation block from the embedding part.

Furthermore, the shell comprises an insulating shell and a metal mounting piece which is formed on the upper wall of the insulating shell in an injection molding mode, and the insulating shell is fixedly held on the base and extends backwards out of the base to form the glue filling cavity.

Furthermore, the metal mounting piece comprises a main body part fixed on the upper wall and an upper plate part extending backwards from the main body part to the glue filling cavity, and the insulating block upwards abuts against the upper plate part.

Further, in the up-down direction, the glue filling cavity forms a glue dispensing space on the opposite side of the inclined portion.

Furthermore, the conductive terminals are injection molded on the insulating body, the tongue portion has opposite butt joint surfaces, each butt joint surface is transversely arranged with a row of the conductive terminals, each row of the conductive terminals comprises a pair of grounding terminals positioned at the transverse outer side and a power terminal and a signal terminal positioned at the inner side of the pair of grounding terminals, the two rows of the conductive terminals are arranged in a left-right opposite way, the electric connector also comprises a metal reinforcing sheet which is fixed in the insulating body and is respectively positioned between the pair of grounding terminals in the upper-lower direction, the metal reinforcing sheet is provided with a fixing part which is fixed in the base and the tongue portion and an extending part which extends backwards from the fixing part to the base, the side surface of the fixing part which is laterally exposed out of the tongue portion forms a locking part, the extending part is provided with an accommodating part which extends into the glue filling cavity and a tail part which extends backwards from the accommodating part, the accommodating part is coated by the waterproof rubber plate, and the tail part comprises a coating part coated by the insulating block and a welding leg formed by extending the coating part backwards.

Further, the accommodating portion is a horizontal plate portion formed extending rearward from the fixing portion.

Furthermore, the welding feet of the two rows of conductive terminals are arranged in a row in the transverse direction, and the welding feet of the pair of metal reinforcing sheets are positioned at two transverse outer sides of the welding feet of the two rows of conductive terminals in the transverse direction.

Furthermore, the outer edge of each grounding terminal in the transverse direction bends and extends towards the fixing part to form a pin which is abutted against the fixing part in the vertical direction.

Compared with the prior art, the utility model discloses following beneficial effect has: the base does not extend to the encapsulating intracavity, passes through the waterproof offset plate cladding through the part that is located the encapsulating intracavity with conductive terminal and metal reinforcing piece for waterproof glue can not strengthened the part outside the piece by conductive terminal and metal and disturb and flow, makes conductive terminal can reliably be wrapped by the waterproof offset plate, makes electric connector's sealed waterproof performance good, and in addition, conductive terminal is located the slope setting of the part of encapsulating intracavity, and in the up-and-down direction, the encapsulating chamber in the opposite side of slope incline side forms the point and glues the space, and waterproof glue is from the point space point income, thereby makes the waterproof glue volume of flowing into in the intracavity of slope incline side to the slope portion obtain increasing, has further improved electric connector's waterproof performance.

[ description of the drawings ]

Fig. 1 is a perspective view of the electric connector of the present invention.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is an exploded perspective view of fig. 3 from another perspective.

Fig. 5 is a perspective view of the electric connector of the present invention with the casing and the waterproof rubber sheet removed.

Fig. 6 is an exploded perspective view of fig. 5.

FIG. 7 is a schematic cross-sectional view of FIG. 1 taken along line A-A with the waterproof glue panel removed.

Fig. 8 is a cross-sectional view taken along line a-a of fig. 1.

[ detailed description ] embodiments

Referring to fig. 1 to 8, an electrical connector 100 of the present invention includes an insulating housing 1, a plurality of conductive terminals 2 fixed in the insulating housing 1, and a housing 3 covering the insulating housing 1.

The insulation body 1 includes a base 11 and a tongue 12 extending forward from the base, the housing 3 is annularly disposed on the base 11 and forms a docking cavity 30 with the tongue 12 for inserting a docking connector (not shown), further, the housing 3 extends backward out of the base 11 to form a glue filling cavity 31, and waterproof glue is filled in the glue filling cavity 31 to form a waterproof glue board 4.

The conductive terminal 2 includes a holding portion 21 held on the base, a contact portion 22 formed by extending forward from the holding portion 21 and located on the abutting surface 120 of the tongue portion 12, an inclined portion 23 extending backward from the holding portion 21 out of the base 11 and extending into the potting cavity 31 in an up-down direction, and an extending portion 24 having a solder foot 241 extending backward from the inclined portion 23 out of the potting cavity 31, wherein the solder foot 241 is soldered to a circuit board (not shown). The base 11 does not protrude into the glue filling cavity 31, so that the inclined part 23 in the glue filling cavity 31 is reliably covered by the waterproof rubber plate 4. It should be noted that the base 11 does not protrude into the glue filling cavity 31 means that the region of the glue filling cavity 31 does not have a portion of the base 11 protruding backward, so that the insulating body does not have a portion interfering with the flow of the waterproof glue during the waterproof glue filling process, so that the waterproof glue flows stably, and the inclined portion 23 of the conductive terminal 2 can be reliably covered to form the waterproof glue board 4.

The utility model discloses in, particularly, fixing portion 21 of conductive terminal 2 extends to the level of back base 11 forms and is located irritate horizontal part 25 in the gluey chamber 31, the rake 23 certainly horizontal part 25 tilt up extends and forms, waterproof offset plate 4 further cladding horizontal part 25 is owing to have the contained angle between rake 23 and the horizontal part 25 of bending upward the extension from horizontal part 25, and waterproof offset plate 4 cladding not coplanar horizontal part 25 and rake 23 can make the path that blocks water between waterproof offset plate 4 and the conductive terminal 2 tortuous to improve electric connector 100's waterproof performance. Furthermore, the utility model discloses in, in the up-and-down direction, the encapsulating chamber 31 in the opposite side of the slope side of rake 23 (the encapsulating chamber 31 is located the below of horizontal part 25 promptly) forms and glues space 311, and waterproof glue is from gluing space 311 point-in to make the waterproof glue volume of flowing into to the intracavity of the slope side of rake 23 obtain increasing, further improved electric connector 100's waterproof performance.

The utility model discloses what electric connector 100 is preferred is a USBType C connector, a plurality of conductive terminal 2 be about two rows of injection moulding in insulator 1. The tongue portion 12 has the mating surfaces 120 facing up and down, each mating surface has a row of the conductive terminals 2 arranged along the transverse direction, each row of the conductive terminals 2 includes a pair of ground terminals 201 located at the transverse outer side, and a power terminal 202 and a signal terminal 203 located at the inner side of the pair of ground terminals 201, and the two rows of the conductive terminals 2 are configured oppositely left and right for a mating connector (not shown) to be inserted in the forward and reverse directions. The electrical connector 100 further includes a metal reinforcing plate 5 fixed in the insulating housing 1 and located between the pair of ground terminals 201 in the vertical direction, wherein the metal reinforcing plate 5 has a fixing portion 51 fixed in the base 11 and the tongue portion 12 and an extending portion 52 extending from the fixing portion 51 to the rear of the base 11. The fixing portion 51 is laterally exposed from the side surface 121 of the tongue portion 12 to form a locking portion 511, the extending portion 52 has an accommodating portion 521 extending into the potting cavity 31 and a tail portion 522 extending from the accommodating portion 521 rearward, the accommodating portion 521 is a horizontal plate portion extending rearward from the fixing portion 51, and the accommodating portion 521 is covered by the waterproof rubber sheet 4.

The insulation body 1 further includes an insulation block 13 disposed behind the base 11 and separated from the base 11 in the front-rear direction, the insulation block 13 is located behind the glue filling cavity 31, and it should be noted that the separation of the base 11 and the insulation block 13 means that the two are not connected to each other. The insulating block 13 is injection molded on the protruding portion 24 without covering the inclined portion 23, the protruding portion 24 includes an embedded portion 242 injection molded on the insulating block 13 and the soldering pins 241 extending from the embedded portion 242 backward to the insulating block 13, and the soldering pins 241 of the two rows of conductive terminals 2 are arranged in a row in the transverse direction. In addition, the inclined portion 23 further extends out of the glue filling cavity 31 to form an inclined extension portion 231, the extension portion 24 extends backwards from the inclined extension portion 231, and the inclined extension portion 231 can prevent the waterproof rubber plate 4 from being separated backwards due to the inclined arrangement. The tail portion 522 of the metal reinforcing plate 5 includes a covering portion 5221 covered by the insulating block 13 and solder tails 5222 extending from the covering portion 5221 to the rear of the insulating block 13, the solder tails 5222 are soldered to a circuit board (not shown), and the solder tails 5222 of the metal reinforcing plate 5 are located at two lateral outer sides of the solder tails 241 of the two rows of conductive terminals 2 in the lateral direction. The lateral outer edge of each grounding terminal 201 is bent and extended toward the fixing portion 51 of the metal reinforcing plate 5 to form a pin 2011 abutting against the fixing portion 51 in the vertical direction, so that the overall grounding performance of the electrical connector 100 is reliable.

The shell 3 comprises an insulating shell 301 and a metal mounting piece 302 which is formed on the upper wall of the insulating shell 301 in an injection molding mode, the insulating shell 301 is annularly fixed on the base 11 and extends backwards out of the base 11 to form the glue filling cavity 31, and a waterproof ring 6 is sleeved at the front end of the insulating shell 301. The metal fitting 302 includes a main body 3021 fixed to the upper wall and an upper plate 3022 extending from the main body 3021 backward to the glue filling cavity 31, and the insulation block 13 abuts against the upper plate 3022 upward. The upper plate portion 3022 is bent downward at both lateral sides thereof to form mounting legs 30221 to be mounted on or soldered to a circuit board (not shown), and the main body portion 3021 is bent downward at both lateral sides thereof to form second mounting legs 30211 to be mounted on or soldered to a circuit board (not shown), so that the housing 3 is securely mounted on the circuit board (not shown).

The above description is only a partial embodiment of the present invention, not all embodiments, and any equivalent changes that the technical solutions of the present invention take are covered by the claims of the present invention through reading the present invention.

Claims (10)

1. An electric connector comprises an insulating body, a plurality of conductive terminals fixedly held on the insulating body and a shell covering the insulating body, wherein the insulating body comprises a base and a tongue part formed by forward extending from the base, the shell is fixedly held on the base, and the shell extends backwards out of the base to form a glue filling cavity, and is characterized in that: the conductive terminal comprises a fixing part fixed on the base, a contact part extending forwards from the fixing part and exposed on the butt joint surface of the tongue part, an inclined part extending backwards from the fixing part to the base and extending upwards and downwards in the glue filling cavity in an inclined mode, and a protruding part with a welding pin extending backwards from the inclined part to the glue filling cavity, wherein waterproof glue is filled in the glue filling cavity to form a waterproof glue board, and the base does not protrude into the glue filling cavity in a protruding mode so that the inclined part located in the glue filling cavity is coated by the waterproof glue board.

2. The electrical connector of claim 1, wherein: the fixing part of the conductive terminal horizontally extends backwards out of the base to form a horizontal part located in the glue filling cavity, and the inclined part is formed by upwards inclining and extending from the horizontal part.

3. The electrical connector of claim 1, wherein: the insulating body further comprises an insulating block which is arranged behind the base and is separated from the base in the front-back direction, the insulating block is injection-molded on the extending portion without being coated on the inclined portion, and the extending portion comprises an embedding portion which is injection-molded on the insulating block and a welding pin which extends from the embedding portion to the back of the insulating block.

4. The electrical connector of claim 3, wherein: the shell comprises an insulating shell and a metal installation piece which is formed on the upper wall of the insulating shell in an injection molding mode, and the insulating shell is fixedly arranged on the base and extends backwards out of the base to form the glue filling cavity.

5. The electrical connector of claim 4, wherein: the metal mounting piece comprises a main body part fixedly held on the upper wall and an upper plate part extending backwards from the main body part to the glue filling cavity, and the insulating block upwards abuts against the upper plate part.

6. The electrical connector of claim 1, wherein: in the up-down direction, the glue filling cavity forms a glue dispensing space on the opposite side of the inclined part.

7. The electrical connector of claim 3, wherein: the conductive terminals are injection molded on the insulating body, the tongue part is provided with opposite butt joint surfaces, each butt joint surface is provided with a row of the conductive terminals along the transverse arrangement, each row of the conductive terminals comprises a pair of grounding terminals positioned at the transverse outer side and a power terminal and a signal terminal positioned at the inner side of the pair of the grounding terminals, the two rows of the conductive terminals are arranged in a left-right opposite way, the electric connector also comprises a metal reinforcing sheet which is fixedly arranged in the insulating body and is respectively positioned between the pair of the grounding terminals in the vertical direction, the metal reinforcing sheet is provided with a fixing part which is fixedly arranged in the base and the tongue part and an extending part which extends backwards from the fixing part to the base, the side surface of the fixing part which is laterally exposed out of the tongue part forms a locking part, the extending part is provided with an accommodating part which extends into the glue filling cavity and a tail part which extends backwards from the accommodating part, the accommodating part is coated by the waterproof rubber plate, and the tail part comprises a coating part coated by the insulating block and a welding leg formed by extending the coating part backwards.

8. The electrical connector of claim 7, wherein: the accommodating part is a horizontal plate part formed by extending backwards from the fixing part.

9. The electrical connector of claim 7, wherein: the welding feet of the two rows of conductive terminals are arranged in a row in the transverse direction, and the welding feet of the pair of metal reinforcing sheets are positioned at two transverse outer sides of the welding feet of the two rows of conductive terminals in the transverse direction.

10. The electrical connector of claim 7, wherein: the outer edge of each grounding terminal in the transverse direction is bent and extended towards the fixing part to form a pin which is abutted against the fixing part in the vertical direction.

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