CN210723516U

CN210723516U - Type C electric connector

Info

Publication number: CN210723516U
Application number: CN201922082039.3U
Authority: CN
Inventors: 王帅
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-09
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a Type C electric connector, including insulator, fixing in insulator's conductive terminal and cladding shield the casing outside insulator. The insulating body comprises a base and a tongue plate part extending forwards from the base, the tongue plate part comprises a flat plate part and a step part, and the conductive terminal comprises a holding part held on the base, a contact part extending forwards from the holding part and exposed on the flat plate part, and a welding part extending backwards from the holding part to the base. Be equipped with protruding muscle between two adjacent conductive terminal in the conductive terminal, protruding muscle is from the rear end of flat board portion and close on the protruding formation of stretching of step portion, just one side of protruding muscle sets up in a conductive terminal upside, and the opposite side does not set up in another conductive terminal upside, has prolonged the spatial distance between the conductive terminal from this, has increased the invasion route of liquid and foreign matter, avoids appearing the short circuit phenomenon because the hydrops between the adjacent conductive terminal, thereby has guaranteed Type C electric connector's security.

Description

Type C electric connector

Technical Field

The utility model relates to a Type C electric connector especially relates to a can supply positive reverse male Type C electric connector.

Background

Chinese patent No. CN105680246B discloses a Type C electrical connector, which includes an insulating body, a plurality of conductive terminals disposed on the insulating body, and a shielding shell covering the insulating body, wherein the insulating body includes a base portion and a tongue portion extending forward from the base portion, and each conductive terminal includes a holding portion held on the base portion, a welding portion extending backward from the holding portion to the base portion, and a contact portion extending forward from the holding portion and exposed on a surface of the tongue portion. However, when liquid or foreign matter enters the Type C electrical connector along with the insertion and extraction of the mating connector, the liquid or foreign matter may remain at the root of the tongue portion contact area and penetrate between the contact portions of the conductive terminals, which may easily cause short circuit between adjacent contact portions of the conductive terminals, thereby causing a risk of burn-out and damaging the Type C electrical connector.

Therefore, there is a need to provide a new Type C electrical connector to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent Type C electric connector that conductive terminal short circuit was on fire.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a Type C electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a shielding shell coated outside the insulating body. The insulating body comprises a base part and a tongue plate part extending forwards from the base part, the tongue plate part comprises a flat plate part positioned at the front end and a step part positioned at the rear end, and the conductive terminal comprises a holding part held on the base part, a contact part extending forwards from the holding part and exposed on the flat plate part, and a welding part extending backwards from the holding part and extending out of the base part. And a convex rib is arranged between two adjacent conductive terminals in the conductive terminals, the convex rib is formed by protruding from the rear end of the flat plate part and adjacent to the step part, one side of the convex rib is arranged on the upper side of one conductive terminal, and the other side of the convex rib is not arranged on the upper side of the other conductive terminal.

In a preferred embodiment, the step portion is formed by extending forward from the base portion, the flat plate portion is formed by extending forward from the step portion, the step portion has a thickness greater than that of the flat plate portion, and the rib extends from a rear end surface of the flat plate portion to a front end surface of the step portion.

In a preferred embodiment, the flat plate portion has a contact area contacting with a mating connector and a non-contact area not contacting with the mating connector, the non-contact area is located at a rear end of the flat plate portion, and the rib is disposed in the non-contact area.

In a preferred embodiment, the conductive terminals are arranged in two rows, the contact portions of the two rows of conductive terminals are exposed on the upper and lower surfaces of the flat plate portion, respectively, and the soldering portions of the two rows of conductive terminals extend out of the base portion and are arranged in one row.

In a preferred embodiment, the two rows of conductive terminals are divided into an upper row of terminals and a lower row of terminals, the number of the upper row of terminals and the lower row of terminals is the same, the arrangement order of the upper row of terminals and the lower row of terminals is opposite, the conductive terminals are further provided with embedded portions which are bent and extended forward from the contact portions, and the embedded portions are embedded in the flat plate portion.

In a preferred embodiment, the two rows of conductive terminals each include two ground terminals located on the outermost side and other terminals located between the two ground terminals, the distance from the ground terminal to the adjacent other terminals is greater than the distance between the adjacent two other terminals in the conductive terminals, and the protruding rib is not provided between the ground terminal and the adjacent other terminals and is provided with a guide slot, and the guide slot is arranged at an interval with the conductive terminals on the left and right sides.

In a preferred embodiment, the thickness of the non-contact area is greater than that of the contact area and less than that of the stepped part, and the sparse guide groove penetrates the non-contact area forwards and extends backwards to the front end face of the stepped part.

In a preferred embodiment, the Type C electrical connector further includes a pair of middle shielding pieces fixedly held in the insulating body and located between the two rows of conductive terminals, the pair of middle shielding pieces are separated from each other and disposed at two sides of the insulating body and are both provided with a fixing portion fixedly held in the insulating body and a grounding pin extending from the fixing portion backwards from the insulating body, the grounding pin of the middle shielding piece and the welding portion of the conductive terminal are both extended out of the insulating body and are arranged in a row in the transverse direction.

In a preferred embodiment, the flat plate portion is provided with a convex portion at both sides of the front end and a retaining groove at both sides of the rear end, the fixing portion of the middle shielding plate is fixed in the tongue plate portion and the base portion, and the middle shielding plate is further provided with an interference portion extending outward from the fixing portion, and the interference portion is exposed from the convex portion and the retaining groove.

In a preferred embodiment, an accommodating cavity is defined by the inner wall of the shielding shell and the insulating body, the tongue portion protrudes into the accommodating cavity, the base portion is fixed in the shielding shell and is provided with a supporting groove located at the front end, the shielding shell includes a plurality of protrusions protruding into the accommodating cavity from the inner wall, the protrusions are clamped in the supporting groove, and the front end surfaces of the protrusions extend forwards beyond the front end surface of the step portion.

Compared with the prior art, the utility model discloses following beneficial effect has: and a convex rib is arranged between two adjacent conductive terminals in the conductive terminals, the convex rib is formed by protruding from the rear end of the flat plate part and adjacent to the step part, one side of the convex rib is arranged on the upper side of one conductive terminal, and the other side of the convex rib is not arranged on the upper side of the other conductive terminal, so that the space distance between the conductive terminals is prolonged. So set up, when liquid and foreign matter got into Type C electric connector, increased the invasion route of liquid and foreign matter, the effectual short circuit phenomenon that appears because the hydrops of avoiding between the adjacent conductive terminal is favorable to preventing the chemical corrosion between conductive terminal, reduces the risk of burning out, thereby has guaranteed Type C electric connector's security.

Drawings

Fig. 1 is the perspective view of the Type C electrical connector of the present invention.

FIG. 2 is a schematic perspective view of another angle of the Type C electrical connector shown in FIG. 1.

FIG. 3 is an exploded view of the Type C electrical connector shown in FIG. 1.

FIG. 4 is a cross-sectional view of the Type C electrical connector shown in FIG. 1 taken along the A-A direction with non-contact areas within the dashed box.

FIG. 5 is a cross-sectional view of the Type C electrical connector shown in FIG. 1 taken along the direction B-B.

Detailed Description

Referring to fig. 1 to 5, the present invention discloses a Type C electrical connector 100 for mounting on a circuit board (not shown). The Type C electrical connector 100 includes an insulative housing 10, a plurality of conductive terminals 20 held in the insulative housing 10, a pair of middle shielding plates 30 held in the insulative housing 10, and a shielding shell 40 covering the insulative housing 10.

Referring to fig. 3, the insulating housing 10 includes a base 11 and a tongue portion 12 extending forward from the base 11. The base 11 is fixed in the shielding shell 40 and has a holding groove 111 at the front end and a fixing groove 112 at the rear end, and the holding groove 111 and the fixing groove 112 are respectively disposed at the front and rear sides of the base 11. The tongue portion 12 includes a flat plate portion 13 at a front end and a stepped portion 14 at a rear end, the stepped portion 14 is formed by extending forward from the base portion 11, and the flat plate portion 13 is formed by extending forward from the stepped portion 14. The two sides of the rear end of the flat plate part 13 are both concavely provided with retaining grooves 131, and the two sides of the front end of the flat plate part 13 are provided with a pair of convex parts 132, and the convex parts 132 are positioned in front of the retaining grooves 131. The thickness of the step portion 14 in both the width direction and the height direction is larger than that of the flat plate portion 13, so as to enhance the strength of the insulating body 10.

Referring to fig. 3 to 5, the conductive terminals 20 are integrally formed in the insulating body 10, and the conductive terminals 20 are arranged in two rows, where the two rows of conductive terminals 20 are divided into an upper row terminal 21 and a lower row terminal 22. The number of the upper row terminals 21 and the lower row terminals 22 is the same, and the arrangement sequence of the upper row terminals 21 and the lower row terminals 22 from left to right is opposite, so that the Type C electrical connector 100 can realize the function of being plugged into a mating connector in a positive and negative manner. Each of the upper row terminal 21 and the lower row terminal 22 at least includes a pair of ground terminals, a pair of power terminals, a pair of signal terminals, and a detection terminal. The pair of ground terminals of the upper row of terminals 21 and the lower row of terminals 22 are held at both sides of the outermost end of the insulative housing 10. The pair of power terminals, the pair of signal terminals and the detecting terminal are located between the pair of ground terminals, i.e. located at the middle position of the insulating body 10 in the transverse direction, so as to form another terminal located between the two ground terminals.

The upper row of terminals 21 and the lower row of terminals 22 are held in parallel in the up-down direction in the insulative housing 10. Each of the upper row terminal 21 and the lower row terminal 22 includes a holding portion 201 held on the base portion 11, a contact portion 202 extending forward from the holding portion 201 and exposed to the flat plate portion 13, a soldering portion 203 extending backward from the holding portion 201 to the base portion 11, and an embedded portion 204 bent forward from the contact portion 202.

The holding portions 201 of the upper and lower rows of terminals 21 and 22 are held in the step portion 14 and the base portion 11. The contact portion 202 of the upper row terminal 21 is exposed to the upper surface of the flat plate portion 13, and the embedded portion 204 of the upper row terminal 21 extends downward and is embedded in the flat plate portion 13 to be fixed with the second tongue plate portion 12. The contact portion 202 of the lower row terminal 22 is exposed to the lower surface of the flat plate portion 13, and the embedded portion 204 of the lower row terminal 22 extends forward and is embedded in the flat plate portion 13 to be fixed to the second tongue plate portion 12. Meanwhile, the soldering portions 203 of the upper and lower rows of terminals 21 and 22 extend rearward out of the base 11 and are arranged in a row.

In this embodiment, a protruding rib 133 is disposed between the contact portions 202 of two adjacent conductive terminals in the conductive terminals 20, the protruding rib 133 is formed by protruding from the rear end of the flat plate portion 13 and adjacent to the step portion 14, and the protruding rib 133 extends from the rear end surface of the flat plate portion 13 to the front end surface of the step portion 14. One side of the rib 133 is disposed on the upper side of one conductive terminal, and the other side is not disposed on the upper side of the other conductive terminal, thereby extending the spatial distance between the conductive terminals 20. So set up, when liquid and foreign matter got into Type C electric connector 100, increased the invasion route of liquid and foreign matter, the effectual short circuit phenomenon that appears because the hydrops of avoiding between adjacent conductive terminal 20 is favorable to preventing the chemical corrosion between conductive terminal 20, reduces the risk of burning out, thereby has guaranteed Type C electric connector 100's security.

The flat plate portion 13 has a contact area (not numbered) contacting with a mating connector and a non-contact area 130 not contacting with the mating connector, the non-contact area 130 is located at the rear end of the flat plate portion 13, and the rib 133 is disposed in the non-contact area 130. In the present embodiment, since the liquid and the foreign matter usually only form the accumulated liquid in the non-contact region 130 and do not deposit in the contact region, the short circuit between the adjacent conductive terminals 20 due to the accumulated liquid can be effectively avoided only by disposing the protruding rib 133 in the non-contact region 130; meanwhile, the protruding rib 133 does not need to extend forward to the contact area at the front end of the flat plate portion 13, so that the problem that the Type C electrical connector 100 cannot be plugged normally due to interference between the protruding rib 133 and the mating terminal of the mating connector when the Type C electrical connector is plugged into the mating connector is avoided.

The distance from the ground terminal to the adjacent other terminals is greater than the distance between the two adjacent other terminals in the conductive terminals 20, and the guide grooves 134 are formed between the ground terminal and the adjacent other terminals without the ribs 133, and the guide grooves 134 are spaced from the conductive terminals 20 on the left and right sides and have the same function as the ribs 133. The thickness of the non-contact region 130 is greater than that of the contact region and less than that of the stepped part 14, and the dredging groove 134 penetrates the non-contact region 130 forwards and extends backwards to the front end face of the stepped part 14. Meanwhile, the bottom surface of the dredging groove 134 and the surface of the contact region are located on the same plane.

The pair of middle shield pieces 30 are two symmetrical independent parts and no connecting structure is provided between the middle shield pieces 30. The pair of middle shielding plates 30 are separately disposed at two sides of the insulating body 10, and the pair of middle shielding plates 30 are respectively located between two pairs of ground terminals of the upper row terminal 21 and the lower row terminal 22 in the vertical direction and avoid other conductive terminals except the ground terminals in the width direction. Each of the middle shielding plates 30 includes a fixing portion 31 fixed in the insulating housing 10, an abutting portion 32 extending outward from the fixing portion 31, and a grounding pin 33 extending backward from the fixing portion 31 to the insulating housing 10. The interference portion 32 is formed to extend laterally outward from the fixing portion 31.

The fixing portion 31 of the middle shielding plate 30 is held in the tongue portion 12 and the base portion 11. The interference portion 32 is exposed out of the protrusion 132 and the retaining groove 131. In the using process, the butting connector is clamped in the buckling groove 131 and electrically connected with the abutting portion 32, so as to realize the grounding function. In addition, when the mating connector is in plug fit with the Type C electrical connector 100, the interference portion 32 can protect the protrusion 132 and the latching groove 131 from being scratched by the mating connector, thereby prolonging the service life. Meanwhile, the grounding pin 33 of the middle shielding plate 30 and the soldering portion 203 of the conductive terminal 20 both extend out of the insulating body 10 and are arranged in a row in the transverse direction.

The shielding shell 40 is made of metal material and has a substantially cylindrical structure. The inner wall 41 of the shielding shell 40 and the insulating body 10 enclose to form a containing cavity 101, and the tongue plate portion 12 protrudes into the containing cavity 101. The shielding shell 40 includes a plurality of protrusions 42 protruding into the receiving cavity 101 from the inner wall 41 and a rear stop portion 43 located at the tail. When the insulating body 10 is assembled into the receiving cavity 101 of the shielding shell 40 from the rear to the front, the rear end surface of the protrusion 42 abuts against the abutting groove 111, so as to prevent the insulating body 10 from moving forward during use. In addition, the front end surface of the protrusion 42 is protruded forward beyond the front end surface of the base 11, and when an over-pushing phenomenon occurs during the mating process with the mating connector, the mating connector is preferentially pushed against the protrusion 42 to protect the insulation body 10 from being damaged. The rear stop portion 43 of the shielding shell 40 abuts against the retaining groove 112 to prevent the insulating housing 10 from moving backward. The shielding shell 40 further includes a holding pin 44 at least held on a circuit board (not shown), so that the shielding shell 40 has functions of grounding and shielding.

The utility model discloses in, be equipped with protruding muscle 133 between two adjacent conductive terminal's the contact site 202 in conductive terminal 20, protruding muscle 133 just closes on the protruding formation of stretching of step portion 14 from the rear end of flat board 13, just protruding muscle 133 extends to the preceding terminal surface of step portion 14 from the rear end surface of flat board 13. One side of the rib 133 is disposed on the upper side of one conductive terminal, and the other side is not disposed on the upper side of the other conductive terminal, thereby extending the spatial distance between the conductive terminals 20. So set up, when liquid and foreign matter got into Type C electric connector 100, increased the invasion route of liquid and foreign matter, the effectual short circuit phenomenon that appears because the hydrops of avoiding between adjacent conductive terminal 20 is favorable to preventing the chemical corrosion between conductive terminal 20, reduces the risk of burning out, thereby has guaranteed Type C electric connector 100's security.

In summary, the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification should still belong to the scope covered by the present invention.

Claims

1. A Type C electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a shielding shell covering the insulating body, wherein the insulating body comprises a base part and a tongue plate part extending forwards from the base part, the tongue plate part comprises a flat plate part positioned at the front end and a step part positioned at the rear end, and the conductive terminals comprise fixing parts fixed on the base part, contact parts extending forwards from the fixing parts and exposed on the flat plate part, and welding parts extending backwards from the fixing parts and extending out of the base part; the method is characterized in that: and a convex rib is arranged between two adjacent conductive terminals in the conductive terminals, the convex rib is formed by protruding from the rear end of the flat plate part and adjacent to the step part, one side of the convex rib is arranged on the upper side of one conductive terminal, and the other side of the convex rib is not arranged on the upper side of the other conductive terminal.

2. The Type C electrical connector of claim 1, wherein: the step part extends forwards from the base part, the flat plate part extends forwards from the step part, the thickness of the step part is larger than that of the flat plate part, and the convex rib extends from the rear end surface of the flat plate part to the front end surface of the step part.

3. The Type C electrical connector of claim 2, wherein: the flat plate part is provided with a contact area contacted with a butting connector and a non-contact area not contacted with the butting connector, the non-contact area is positioned at the rear end of the flat plate part, and the convex rib is arranged in the non-contact area.

4. A Type C electrical connector according to claim 3, wherein: the conductive terminals are arranged in two rows, the contact parts of the two rows of conductive terminals are respectively exposed on the upper surface and the lower surface of the flat plate part, and the welding parts of the two rows of conductive terminals extend out of the base part and are arranged in one row.

5. A Type C electrical connector according to claim 4, wherein: the two rows of conductive terminals are divided into upper rows of terminals and lower rows of terminals, the upper rows of terminals and the lower rows of terminals are the same in number and opposite in arrangement sequence, the conductive terminals are also provided with embedded parts which are bent and extended forwards from the contact parts, and the embedded parts are embedded in the flat plate parts.

6. A Type C electrical connector according to claim 4, wherein: the two rows of conductive terminals respectively comprise two ground terminals located on the outermost side and other terminals located between the two ground terminals, the distance from each ground terminal to the adjacent other terminals is larger than the distance between the adjacent two other terminals in the conductive terminals, the convex ribs are not arranged between the ground terminals and the adjacent other terminals, and the sparse guide grooves are arranged at intervals with the conductive terminals on the left side and the right side.

7. A Type C electrical connector according to claim 6, wherein: the thickness of the non-contact area is larger than that of the contact area and smaller than that of the step part, and the dredging groove penetrates through the non-contact area forwards and extends backwards to the front end face of the step part.

8. A Type C electrical connector according to claim 4, wherein: type C electric connector still including the holding in insulator just is located a pair of middle shielding piece between two rows of conductive terminals, a pair of middle shielding piece separate each other set up in insulator's both sides and all be equipped with the holding in fixed part in the insulator and certainly the fixed part extends backward insulator's ground connection foot, middle shielding piece's ground connection foot with conductive terminal's welding part all extends insulator and arrange into one row on horizontal.

9. The Type C electrical connector of claim 8, wherein: the flat plate part is provided with convex parts positioned at two sides of the front end and buckling grooves positioned at two sides of the rear end, the fixing part of the middle shielding piece is fixedly held in the tongue plate part and the base part, the middle shielding piece is also provided with a contact part extending outwards from the fixing part, and the contact part is exposed out of the convex parts and the buckling grooves.

10. The Type C electrical connector of claim 1, wherein: the inner wall of the shielding shell and the insulating body are surrounded to form an accommodating cavity, the tongue plate portion protrudes into the accommodating cavity, the base portion is fixedly held in the shielding shell and is provided with a supporting groove located at the front end, the shielding shell comprises a plurality of protrusions protruding into the accommodating cavity from the inner wall, the protrusions are clamped in the supporting groove, and the front end faces of the protrusions exceed the front end face of the step portion forwards.