CN209249787U - Electrical Connectors and Connector Assemblies - Google Patents

Abstract

The utility model provides a kind of electric connector and the connector assembly including this electric connector.Electric connector includes: a shell, is suitable for being inserted into the intracorporal insertion end of cooperation shell of mating connector in an insertion direction with one；One insulating body, is at least partially accommodated into the shell；Multiple conductive terminals are mounted on the insulating body；And a sealing ring, the sealing ring are mounted on the outside of the circumferential direction of the insertion end of the shell, and extend at least part of the end face perpendicular to the direction of insertion of the insertion end.In the case where electric connector is in conjunction with mating connector, for the moisture from mating connector, dust and other impurities, seal feature is formed in the endface of the insertion end of the shell of electric connector first, and seal feature is further defined at the inner wall of the receiving portion of the outer rim and mating connector of sealing ring, to make electric connector and mating connector that there is multiple waterproof structure feature.

Description

Electrical Connectors and Connector Assemblies

technical field

Embodiments of the present invention relate to an electrical connector, more specifically, to a Type C X8 electrical connector and a connector assembly including the electrical connector.

Background technique

Universal Serial Bus (USB) electrical connectors are widely used due to their high-speed data transmission performance and miniaturization, for example, they can be used in electronic devices such as mobile phones and tablet computers. The USB electrical connector can support up to tens of thousands of mating cycles, long life, high data transfer rate, and smaller size. Such an electrical connector can be partially inserted into a mating housing of a mating connector to realize the transmission of power and electrical signals.

With the improvement of the waterproof and dustproof performance requirements of electronic equipment, it is necessary to further improve the sealing performance when the electrical connector is combined with the mating connector.

Utility model content

Embodiments of the utility model provide an electrical connector and a connector assembly including the electrical connector, which can improve the sealing performance of the electrical connector.

According to an embodiment of an aspect of the present invention, an electrical connector is provided, comprising: a housing having an insertion end adapted to be inserted into a mating housing of a mating connector in an insertion direction; an insulating body at least partially a plurality of conductive terminals installed on the insulating body; and a sealing ring installed on the outer side of the insertion end of the housing in the circumferential direction and extending to the At least a part of the end surface of the insertion end perpendicular to the insertion direction.

According to an embodiment of the present invention, the insertion end includes: a horizontal part located at one end of the housing; and a vertical part vertically extending outward from the end of the horizontal part, and the sealing ring Covering at least a portion of the horizontal portion, and the vertical portion.

According to an embodiment of the present invention, at least one of the outer side of the horizontal part and the end surface of the vertical part is provided with at least one groove, and a part of the sealing ring is combined into the groove.

According to an embodiment of the present invention, the sealing ring includes: a base covering the horizontal portion; a radial protrusion protruding radially outward from the base; and an axial protrusion protruding from the The base extends beyond an end of the vertical portion and in the insertion direction from an end surface of the vertical portion.

According to an embodiment of the present invention, the outer portions of the radial protrusion and the axial protrusion form a tapered profile with a gradually decreasing outer diameter.

According to an embodiment of the invention, a part of the base and the exterior of the axial projection form a cylindrical profile.

According to an embodiment of the present utility model, the sealing ring is fixed on the insertion end of the housing by injection molding.

According to an embodiment of the present invention, the insulating body includes: a tongue-shaped portion, the first end of the conductive terminal is held on at least one of the upper surface and the lower surface of the tongue-shaped portion; a flange portion protruding around the tongue to mount the tongue in the housing, on the front side of the flange a ring-shaped protective frame suitable for cushioning The impact of the mating tongue of the mating connector.

According to an embodiment of the present invention, the protection frame includes: an annular main body portion extending parallel to the insertion direction and clamped between the outer side of the flange portion and the housing Between, the main body portion is fixedly connected to the housing; and an extension portion extends from the main body portion on the front side of the flange portion toward the tongue portion.

According to an embodiment of the present invention, the electrical connector further includes an encapsulation part, the encapsulation part fills the space defined by the housing and the rear side of the flange part, and the conductive terminal passes through the encapsulation part protrudes from the housing.

According to an embodiment of the present invention, the encapsulation part is fixed on the rear side of the flange part and in the housing by injection molding.

According to an embodiment of the present invention, the electrical connector further includes a fixing block, which is arranged on the outside of the housing, and at least a part of the conductive terminals is further exposed through the fixing block after protruding from the packaging part. , to be electrically connected to the circuit board.

According to an embodiment of the present invention, the electrical connector further includes an auxiliary housing made of metal material, the auxiliary housing covers the upper part, the left and right sides and the rear side of the fixing block, and extending over at least a portion of the housing.

According to an embodiment of the present invention, the lower edge of the auxiliary housing is provided with a plurality of welding legs extending downward.

According to another embodiment of the present utility model, a connector assembly is provided, including: the electrical connector as described in any one of the above embodiments; and a mating connector, the mating connector includes: a mating housing, The mating housing has a receiving portion suitable for receiving the insertion end of the housing of the electrical connector, the receiving portion is provided with a radially inwardly protruding step portion, and at least the outer edge of the sealing ring in the circumferential direction A part abuts against the inner wall of the accommodating part, and a part of the sealing ring extending to the end surface of the insertion end abuts against the stepped part.

According to the electrical connector of the embodiment of the present invention, when the electrical connector is combined with the mating connector, at least a part of the outer edge of the sealing ring of the electrical connector in the circumferential direction abuts against the inner wall of the accommodating portion, and at the same time The portion of the sealing ring that extends to the end face of the insertion end abuts against the step. For moisture, dust and other sundries from the mating connector, the sealing feature is first formed at the end face of the insertion end of the housing of the electrical connector, and the outer edge of the sealing ring and the inner wall of the receiving part of the mating connector are further formed. The sealing feature is formed, so that the electrical connector and the mating connector have multiple waterproof structural features, achieving a better sealing effect.

Description of drawings

The utility model will be further described in detail with reference to the accompanying drawings, wherein:

FIG. 1 is a schematic perspective view of an electrical connector according to an exemplary embodiment of the present invention;

Fig. 2 is a side view of the electrical connector shown in Fig. 1;

Fig. 3 is a front view of the electrical connector shown in Fig. 1;

Fig. 4 is a longitudinal sectional view along the line X-X in Fig. 3;

Fig. 5 is a longitudinal sectional view of the electrical connector shown in Fig. 1 inserted into the mating connector;

Fig. 6 is a schematic perspective view of a housing of an electrical connector according to an exemplary embodiment of the present invention;

Figure 7 is a front view of the housing shown in Figure 6;

Fig. 8 is a side view of the housing shown in Fig. 6;

Fig. 9 is a longitudinal sectional view of the housing shown in Fig. 6;

Fig. 10 is an enlarged schematic view of part A shown in Fig. 9;

Fig. 11 is a schematic perspective view of a housing installed with a sealing ring according to an exemplary embodiment of the present invention;

Figure 12 is a side view of Figure 11;

Fig. 13 is a longitudinal sectional view of Fig. 11;

Fig. 14 is an enlarged schematic view of part B shown in Fig. 13;

Fig. 15 is a schematic perspective view of a housing installed with a sealing ring according to another exemplary embodiment of the present invention;

Figure 16 is a side view of Figure 15;

Figure 17 is a longitudinal sectional view of Figure 15;

Fig. 18 is an enlarged schematic view of part C shown in Fig. 17;

Fig. 19 is a partially enlarged schematic diagram showing the combination of the sealing ring and the housing according to yet another exemplary embodiment of the present invention;

Fig. 20 is a schematic perspective view of an insulating body according to an exemplary embodiment of the present invention, in which a fixing block is shown;

Figure 21 is an exploded schematic view of the insulating body, conductive terminals and protective frame shown in Figure 20; and

Fig. 22 is a longitudinal sectional view of an electrical connector according to another exemplary embodiment of the present invention.

Detailed ways

Although the utility model will be fully described with reference to the accompanying drawings that contain preferred embodiments of the utility model, it should be understood before this description that those of ordinary skill in the art can modify the invention described herein while obtaining the techniques of the utility model Effect. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the exemplary embodiments described in the present invention.

Additionally, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments disclosed herein. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general inventive concept of the present utility model, an electrical connector is provided, comprising: a housing having an insertion end adapted to be inserted into a mating housing of a mating connector in an insertion direction; an insulating body , at least partially accommodated in the housing; a plurality of conductive terminals installed on the insulating body; and a sealing ring installed on the outer side of the insertion end of the housing in the circumferential direction and extending to at least a portion of the end surface of the insertion end perpendicular to the insertion direction.

Fig. 1 is a schematic perspective view of an electrical connector according to an exemplary embodiment of the present invention; Fig. 2 is a side view of the electrical connector shown in Fig. 1; Fig. 3 is a front view of the electrical connector shown in Fig. 1 ; FIG. 4 is a longitudinal sectional view along the X-X line in FIG. 3; FIG. 5 is a longitudinal sectional view of the electrical connector shown in FIG. 1 inserted into the mating connector.

As shown in Figures 1-5, an electrical connector 100 according to an exemplary embodiment of the present invention is used as a USB interface of electronic devices such as mobile phones and tablet computers, and is installed on the PCB board of the electronic device to realize Transmission of power and electrical signals. The electrical connector 100 includes: a shell 1 made of electromagnetic shielding material, an insulating body made of elastic material such as silicone, a plurality of conductive terminals 3 and a sealing ring 4 .

Fig. 6 is a perspective view of a housing of an electrical connector according to an exemplary embodiment of the present invention; Fig. 7 is a front view of the housing shown in Fig. 6; Fig. 8 is a side view of the housing shown in Fig. 6 Views; FIG. 9 is a longitudinal sectional view of the housing shown in FIG. 6; FIG. 10 is an enlarged schematic view of part A shown in FIG.

In an exemplary embodiment, as shown in FIGS. 1-10 , the casing 1 is made of a metal plate such as a copper sheet or a stainless steel sheet through a machining process such as stamping, shearing, and bending. A receiving space defined to extend in the execution direction. The housing 1 has an insertion end 11 adapted to be inserted into a mating housing of a mating connector (200) in an insertion direction (longitudinal direction). The insulating body 2 is at least partially accommodated in the accommodation space of the housing 1 . A plurality of conductive terminals 3 are installed on the insulating body 2 to electrically connect with the mating terminals of the mating connector when the electrical connector 100 is inserted into the mating connector 200.

Fig. 11 is a three-dimensional schematic diagram of a housing installed with a sealing ring according to an exemplary embodiment of the present invention; Fig. 12 is a side view of Fig. 11; Fig. 13 is a longitudinal sectional view of Fig. 11; Fig. 14 is a view of Fig. 13 An enlarged schematic view of part B is shown.

In one embodiment, as shown in Figures 2, 4, 9-14, the sealing ring 4 is installed on the outer side of the insertion end 11 (the left end in Figures 2 and 4) of the housing 1 in the circumferential direction, and extends to At least a part of the end surface 113 of the insertion end 11 perpendicular to the insertion direction.

In one embodiment, as shown in FIGS. 2, 4, 9-14, the insertion end 11 includes: a horizontal portion 111 located at one end of the housing 1; and a vertically extending outward from the end of the horizontal portion 111. Vertical section 112. Thus, as shown in FIG. 10, the longitudinal section inserted into 11 forms a substantially L-shape. The sealing ring 4 covers at least part of the horizontal portion 111 and the vertical portion 112 .

As shown in FIG. 5 , in an exemplary embodiment, the mating connector 200 includes: a mating housing 201 made of electromagnetic shielding material, and the mating housing 201 has a housing suitable for receiving the electrical connector 100 The receiving portion of the insertion end 11 of 1 is provided with a radially inwardly protruding step portion 202 . When the electrical connector 100 is combined with the mating connector 200, at least a part of the outer edge of the sealing ring 4 of the electrical connector 100 in the circumferential direction abuts against the inner wall 203 of the accommodating portion, and the sealing ring 4 extends to the insertion end. A portion on the end face 113 of 11 abuts on the stepped portion 202 . That is to say, the sealing ring covers the outer ring and the front end of the insertion end of the housing 1 . In this way, for foreign matter such as moisture and dust from the mating connector, firstly, a sealing feature is formed at the end face 113 of the insertion end of the housing of the electrical connector, and the outer edge of the sealing ring 4 meets the receiving portion of the mating connector. The sealing feature is further formed on the inner wall of the connector, so that the electrical connector and the mating connector have multiple waterproof structural features, which meet or exceed the customer's requirements for waterproof and dustproof sealing, and achieve a better sealing effect.

In an exemplary embodiment, at least one of the outer side of the horizontal portion 111 and the end surface 113 of the vertical portion 112 is provided with at least one groove 114, and a part of the sealing ring is bonded to the groove. Groove 114, which allows the seal to firmly adhere to the insertion end of the housing. As shown in FIGS. 6 and 10 , a plurality of grooves 114 are formed on the horizontal portion 111 .

Fig. 19 is a partially enlarged schematic view illustrating the combination of the sealing ring and the housing according to yet another exemplary embodiment of the present invention. In the exemplary embodiment shown in FIG. 19, at least one groove is provided in the outer side of the horizontal portion 111 and the end surface 113 of the vertical portion 112, so that the sealing ring can be more firmly attached to the insertion end of the housing. . The groove can be formed as a plurality of depressions, or as an annular groove.

In one embodiment, as shown in FIG. 14 , the seal ring 4 includes: a base 41 covering the horizontal portion 11; a radial protrusion 42 protruding radially outward from the base 41; and an axial protrusion 42 , the axial protrusion 42 extends from the base 41 beyond the end of the vertical portion 112 and from the end face 113 of the vertical portion 112 in the insertion direction.

As shown in FIGS. 5 and 14 , when the electrical connector 100 is combined with the mating connector 200 , the radial protrusion 42 of the sealing ring 4 abuts against the inner wall 203 of the receiving portion, and the axial protrusion of the sealing ring 4 43 abuts against the stepped portion 202 . In this way, for foreign matter such as moisture and dust from the mating connector, firstly, a sealing feature is formed at the end face 113 of the insertion end of the housing of the electrical connector, and the radial protrusion of the sealing ring 4 and the mating connector The inner wall of the receiving part further forms a sealing feature, so that the electrical connector and the mating connector have two waterproof structural features, which meet or exceed the customer's requirements for waterproof and dustproof sealing, and achieve a better sealing effect.

In one embodiment, as shown in FIG. 14 , the outer portions of the radial protrusion 42 and the axial protrusion 43 form a tapered profile whose outer diameter gradually decreases. That is to say, the outer diameter of the sealing ring 4 gradually decreases from the radial protrusion 42 to the axial protrusion 43 .

Fig. 15 is a three-dimensional schematic diagram of a housing installed with a sealing ring according to another exemplary embodiment of the present invention; Fig. 16 is a side view of Fig. 15; Fig. 17 is a longitudinal sectional view of Fig. 15; Fig. 18 is a view of Fig. 17 An enlarged schematic of part C is shown.

In one embodiment, as shown in FIGS. 15-18 , the sealing ring 4' includes: a base 41' covering the horizontal portion 11; a radial protrusion 42' protruding radially outward from the base 41' and an axial protrusion 42 ′ extending from the base 41 ′ across the end of the vertical portion 112 and from the end face 113 of the vertical portion 112 in the insertion direction. A part of the base 41' and the outer portion of the axial protrusion 42' form a cylindrical profile. That is, the base 41' and the axial protrusion 42' have the same outer diameter.

In an exemplary embodiment, the sealing rings 4 and 4' are fixed on the insertion end 11 of the housing 1 by overmolding. In this way, the sealing ring can be firmly fixed on the housing 1 . For example, the sealing ring can be made of silicone material.

Fig. 20 is a three-dimensional schematic view of an insulating body according to an exemplary embodiment of the present invention, in which a fixing block is shown; Fig. 21 is an exploded schematic view of the insulating body, conductive terminals and protective frame shown in Fig. 20; Fig. 22 is a longitudinal sectional view of an electrical connector according to another exemplary embodiment of the present invention.

In an exemplary embodiment, as shown in FIGS. 1 , 2 , 4 , 20 - 22 , the insulating body 2 includes a tongue-shaped portion 21 and an annular flange portion 22 . The first end (left end in FIG. 4 ) of the conductive terminal 3 is held on at least one of the upper surface and the lower surface of the tongue-shaped portion 21 . For example, the conductive terminals 3 include a row of first terminals 31 disposed on the upper surface of the tongue-shaped portion 21 and a row of second terminals 32 disposed on the lower surface of the tongue-shaped portion 21. An annular flange portion 22 protrudes around the tongue portion 21 to mount the tongue portion 21 in the housing 1, an annular protective frame 5 on the front side of the flange portion 22, The protective frame 5 is suitable for cushioning the impact of the mating tongue portion of the mating connector 200 , so as to protect the flange portion from the impact of the electrical plug connector during the mating connector plugging and unplugging process.

According to an exemplary embodiment, the housing 1 is integrally formed, and an interference fit is adopted between the flange portion 22 of the insulating body 2 and the housing 1 to improve the overall strength and sealing performance of the electrical connector.

In an exemplary embodiment, as shown in FIGS. 1 , 2 , 4 , 20 - 22 , the protection frame 5 includes: an annular main body portion 51 and an extension portion 52 . The main body portion 51 extends parallel to the insertion direction and is sandwiched between the outer side of the flange portion 22 and the housing 1 , the main body portion 51 is fixedly connected to the housing 1 . The extension portion 52 extends from the main body portion 51 toward the tongue portion 21 on the front side of the flange portion 22 . According to an exemplary embodiment of the present utility model, the protective frame 5 can be connected to the casing 1 by laser spot welding.

According to the electrical connector of the embodiment of the present invention, as shown in Figures 21 and 22, since the insulating body 2 is sleeved with a ring-shaped protection frame 5, the ring-shaped protection frame 5 has an extension perpendicular to the insertion direction of the electrical connector. part 52 and the main part 51 connected to the outer shell, the extension part 52 receives the force in the insertion direction of the mating connector during the plugging and unplugging process and transmits the force through the main part to the shell 1 and then to the external components, Therefore, the insulating body therein is protected to reduce the impact force of plugging and unplugging. Moreover, the annular covering of the protective frame enhances the strength of the insulating body, and improves the strength of the electrical connector 100 as a whole.

In an exemplary embodiment, as shown in FIGS. 1, 2, 4, 20-22, the electrical connector 100 further includes an encapsulation portion 6, and the encapsulation portion 6 is filled with the housing 1 and the flange. The second end 311 of the conductive terminal 3 protrudes from the casing 1 through the packaging portion 6 in the space defined by the rear side of the portion 22 . The encapsulation part 6 is fixed by injection molding on the rear side of the flange part 22 and in the housing 1 . In this way, foreign matter such as moisture and dust can be prevented from entering the housing from the rear of the housing 1, thereby increasing the sealing performance of the electrical connector.

In one embodiment, the electrical connector 100 further includes a fixing block 7 made of insulating material, the fixing block 1 is arranged outside the housing 1, and at least a part of the conductive terminals 3 protrude from the package The portion 6 is then further exposed through the fixing block 6 to be electrically connected to the circuit board.

In one embodiment, the electrical connector 100 further includes an auxiliary housing 8 made of metal material, the auxiliary housing 8 covers the upper part, left and right side parts and rear side parts of the fixing block 7, And extend to at least a part of the housing 1 . The auxiliary housing 8 can electromagnetically shield the conductive terminals. The lower edge of the auxiliary housing 8 is provided with a plurality of welding feet 81 extending downward. The soldering part 81 is soldered to the circuit board, thereby fixing the electrical connector 100 on the circuit board.

According to a further embodiment of the present invention, a connector assembly is provided, including: the electrical connector 100 described in any of the above embodiments, and a mating connector 200, the mating connector 200 includes: a mating housing 201, the mating housing 21 has a receiving portion suitable for receiving the insertion end 11 of the housing 1 of the electrical connector 100, the receiving portion is provided with a radially inwardly protruding step portion 202, the sealing ring At least a part of the outer edge in the circumferential direction abuts against the inner wall of the accommodating portion, and the portion of the sealing ring 4 extending to the end surface 113 of the insertion end 11 abuts against the stepped portion 202.

According to the electrical connector of the embodiment of the present invention, when the electrical connector is combined with the mating connector, at least a part of the outer edge of the sealing ring of the electrical connector in the circumferential direction abuts against the inner wall of the accommodating portion, and at the same time The portion of the sealing ring that extends to the end face of the insertion end abuts against the step. For moisture, dust and other sundries from the mating connector, the sealing feature is first formed at the end face of the insertion end of the housing of the electrical connector, and the outer edge of the sealing ring and the inner wall of the receiving part of the mating connector are further formed. The sealing feature is formed, so that the electrical connector and the mating connector have multiple waterproof structural features, achieving a better sealing effect.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the circumstances, free combination can be carried out, so as to realize more kinds of electrical connectors on the basis of solving the technical problem of the utility model.

After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the scope and spirit of the appended claims, and the utility model also Implementation is not limited to the exemplary embodiments set forth in the specification. It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (15)

1. a kind of electric connector characterized by comprising

One shell is suitable for being inserted into the intracorporal insertion end of cooperation shell of mating connector in an insertion direction with one；

One insulating body, is at least partially accommodated into the shell；

Multiple conductive terminals are mounted on the insulating body；And

One sealing ring, the sealing ring are mounted on the outside of the circumferential direction of the insertion end of the shell, and extend to described In at least part of the end face perpendicular to the direction of insertion of insertion end.

2. electric connector according to claim 1, which is characterized in that the insertion end includes:

One horizontal component, positioned at one end of the shell；And

One vertical component, extends vertically outward from the end of the horizontal component,

The sealing ring is covered at least part of the horizontal component and vertical component.

3. electric connector according to claim 2, which is characterized in that the outside of the horizontal component and the vertical component At least one of end face be equipped at least one groove, a part of the sealing ring is integrated in the groove.

4. electric connector according to claim 2 or 3, which is characterized in that the sealing ring includes:

Base portion is coated on the horizontal component；

Radial projection is protruded radially outward from the base portion；And

Axial projections are crossed the end of the vertical component from the base portion and are inserted from the end face of the vertical component described The side of entering upwardly extends.

5. electric connector according to claim 4, which is characterized in that the outside of the radially protruding part and axial projection Form the tapered profiles that outer diameter is gradually reduced.

6. electric connector according to claim 4, which is characterized in that a part of the base portion and axial projection it is outer Portion forms tubular profile.

7. electric connector described in any one of -3 according to claim 1, which is characterized in that the sealing ring is with the side of injection molding Formula is fixed in the insertion end of the shell.

8. electric connector described in any one of -3 according to claim 1, which is characterized in that the insulating body includes:

Pecker, the first end of the conductive terminal are maintained at least one of the upper and lower surfaces of the pecker On；And

The flange part of annular, it is prominent around the pecker, the pecker is mounted in the shell, in the flange An annular protect-ing frame structure on the leading flank in portion, institute's protect-ing frame structure are suitable for buffering the cooperation pecker of the mating connector Impact.

9. electric connector according to claim 8, which is characterized in that the protect-ing frame structure includes:

One annular main part, the main part are parallel to the outside that the direction of insertion extends and is clamped in the flange part Between the shell, the main part is fixedly attached to the shell；And

One extension, the extension prolong on the leading flank of the flange part towards the pecker from the main part It stretches.

10. electric connector according to claim 8, which is characterized in that further include encapsulation part, the encapsulation part filling is by institute The space of shell and flange part trailing flank restriction is stated, the conductive terminal passes through the encapsulation part and stretches out from the shell.

11. electric connector according to claim 10, which is characterized in that the encapsulation part is fixed on convex in a manner of injection molding On the trailing flank of edge and in the shell.

12. electric connector according to claim 10, which is characterized in that further include fixed block, the shell is arranged in Outside, at least part in the conductive terminal, which is stretched out after the encapsulation part, to be further passed through the fixed block and exposes, with It is electrically connected on circuit board.

13. electric connector according to claim 12, which is characterized in that further include auxiliary shell made of metal Body, the auxiliary shell are coated in top, left and right sides and the rear lateral portion of the fixed block, and extend to the shell extremely In few a part.

14. electric connector according to claim 13, which is characterized in that the lower edge of the auxiliary shell is equipped with to downward The multiple welding foots stretched.

15. a kind of connector assembly characterized by comprising

Electric connector as described in any one of claim 1-14；And

Mating connector, the mating connector include: cooperation shell, and the cooperation shell, which has, to be suitable for being electrically connected described in reception The receiving portion of the insertion end of the shell of device is connect, described accommodation section is equipped with protruding radially inward stage portion, and the sealing ring is circumferential At least part of the outer rim in direction is resisted against on the inner wall of described accommodation section, and the sealing ring extends to the insertion end Part on end face is resisted against in the stage portion.