CN209249787U - Electric connector and connector assembly - 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

Electric connector and connector assembly

Technical field

The embodiments of the present invention are related to a kind of electric connector, more specifically to a kind of Type C X8 type electricity Connector and connector assembly including this electric connector.

Background technique

Universal serial bus (USB) electric connector is answered extensively due to its high speed data transfer performance and miniaturization With, such as can apply in the electronic equipments such as mobile phone, tablet computer.USB electric connector can support up to tens of thousands of times plugs Number, the service life is long, and message transmission rate is big, and smaller.This electric connector can be partially inserted into mating connector Cooperation shell in, to realize the transmission of power supply and electric signal.

With the raising of waterproof, anti-dust performance requirement to electronic equipment, needs to further increase electric connector and match Close sealing performance when connector combines.

Utility model content

The embodiments of the present invention provide a kind of electric connector and the connector assembly including this electric connector, can Improve the sealing performance of electric connector.

According to the embodiment of the utility model one aspect, a kind of electric connector is provided, comprising: a shell has one A intracorporal insertion end of cooperation shell for being suitable for being inserted into mating connector in an insertion direction；One insulating body, at least portion It is contained in the shell with dividing；Multiple conductive terminals are mounted on the insulating body；And a sealing ring, it is described close Seal is mounted on the outside of the circumferential direction of the insertion end of the shell, and extend to the insertion end perpendicular to the insertion In at least part of the end face in direction.

A kind of embodiment according to the present utility model, the insertion end includes: a horizontal component, positioned at the shell One end；And a vertical component, it is extended vertically outward from the end of the horizontal component, the sealing ring is covered on the water In at least part of flat part and vertical component.

In the end face of a kind of embodiment according to the present utility model, the outside of the horizontal component and the vertical component At least one is equipped at least one groove, and a part of the sealing ring is integrated in the groove.

A kind of embodiment according to the present utility model, the sealing ring include: base portion, are coated on the horizontal component； Radial projection is protruded radially outward from the base portion；And axial projections, the vertical component is crossed from the base portion End and extend in the direction of insertion from the end face of the vertical component.

A kind of embodiment according to the present utility model, the radially protruding part and axial projection it is external formed outer diameter by Decrescence small tapered profiles.

A kind of embodiment according to the present utility model, a part of the base portion and the external of axial projection form tubular Profile.

A kind of embodiment according to the present utility model, the sealing ring are fixed on the insertion of the shell in a manner of injection molding On end.

A kind of embodiment according to the present utility model, the insulating body include: pecker, and the first of the conductive terminal End is maintained at least one of upper and lower surfaces of the pecker；And the flange part of annular, around described Pecker is prominent, the pecker is mounted in the shell, an annular guarantor on the leading flank of the flange part Frame is protected, institute's protect-ing frame structure is suitable for buffering the impact of the cooperation pecker of the mating connector.

A kind of embodiment according to the present utility model, the protect-ing frame structure include: an annular main part, the main body Portion is parallel to the direction of insertion and extends and be clamped between the outside of the flange part and the shell, and the main part is fixed It is connected to the shell；And an extension, extension court on the leading flank of the flange part from the main part Extend to the pecker.

A kind of embodiment according to the present utility model, electric connector further include encapsulation part, and the encapsulation part filling is by described The space that shell and the flange part trailing flank limit, the conductive terminal pass through the encapsulation part and stretch out from the shell.

A kind of embodiment according to the present utility model, the encapsulation part are fixed on flange part trailing flank in a manner of injection molding In the shell.

A kind of embodiment according to the present utility model, electric connector further include fixed block, and the outside of the shell is arranged in, At least part in the conductive terminal further passs through the fixed block exposing after stretching out the encapsulation part, with electrical connection To circuit board.

A kind of embodiment according to the present utility model, electric connector further include auxiliary shell made of metal, institute It states auxiliary shell to be coated in top, left and right sides and the rear lateral portion of the fixed block, and extends at least the one of the shell On part.

A kind of embodiment according to the present utility model, the lower edge of the auxiliary shell are equipped with the multiple welding extended downwardly Foot.

The embodiment of another aspect according to the present utility model provides a kind of connector assembly, comprising: such as any of the above-described reality Apply electric connector described in example；And mating connector, the mating connector include: cooperation shell, the cooperation shell tool There is the receiving portion of the insertion end for the shell for being suitable for receiving the electric connector, described accommodation section is equipped with protruding radially inward At least part in rank portion, the outer rim of the sealing ring circumferential direction is resisted against on the inner wall of described accommodation section, the sealing ring The end face for extending to the insertion end on part be resisted against in the stage portion.

The electric connector of embodiment according to the present utility model, in the case where electric connector is in conjunction with mating connector, At least part of the outer rim of the sealing ring circumferential direction of electric connector is resisted against on the inner wall of receiving portion, while sealing ring prolongs The part reached on the end face of insertion end is resisted against in stage portion.It is first for the moisture from mating connector, dust and other impurities It first is formed seal feature in the endface of the insertion end of the shell of electric connector, and in the outer rim and mating connection of sealing ring Seal feature is further defined at the inner wall of the receiving portion of device, to make electric connector and mating connector that there is multiple waterproof Structure feature has reached better seal effect.

Detailed description of the invention

The utility model is with reference to the accompanying drawings to be further described, in which:

Fig. 1 is the stereoscopic schematic diagram of the electric connector of an exemplary embodiment according to the present utility model；

Fig. 2 is the side view of electric connector shown in FIG. 1；

Fig. 3 is the front view of electric connector shown in FIG. 1；

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

Fig. 5 is the longitudinal sectional view that electric connector shown in FIG. 1 is inserted in mating connector；

Fig. 6 is a kind of shell stereoscopic schematic diagram of the electric connector of exemplary embodiment according to the present utility model；

Fig. 7 is the front view of shell shown in fig. 6；

Fig. 8 is the side view of shell shown in fig. 6；

Fig. 9 is the longitudinal sectional view of shell shown in fig. 6；

Figure 10 is the enlarged diagram of part A shown in Fig. 9；

Figure 11 is the three-dimensional signal for being equipped with a kind of shell of the sealing ring of exemplary embodiment according to the present utility model Figure；

Figure 12 is the side view of Figure 11；

Figure 13 is the longitudinal sectional view of Figure 11；

Figure 14 is the enlarged diagram of part B shown in Figure 13；

Figure 15 is to be equipped with the solid of the shell of sealing ring of another exemplary embodiment according to the present utility model to show It is intended to；

Figure 16 is the side view of Figure 15；

Figure 17 is the longitudinal sectional view of Figure 15；

Figure 18 is the enlarged diagram of C portion shown in Figure 17；

Figure 19 is the sealing ring for showing another exemplary embodiment according to the present utility model and the office of shell combination Portion's enlarged diagram；

Figure 20 is the stereoscopic schematic diagram of the insulating body of an exemplary embodiment according to the present utility model, is shown in figure Fixed block is gone out；

Figure 21 is the decomposition diagram of insulating body, conductive terminal shown in Figure 20 and protect-ing frame structure；And

Figure 22 is the longitudinal sectional view of the electric connector of another exemplary embodiment according to the present utility model.

Specific embodiment

Although being retouched the utility model is fully described referring to the attached drawing of the preferred embodiment containing the utility model herein It should be appreciated that those skilled in the art can modify invention described herein before stating, while obtaining the utility model Technical effect.Thus, it should be understood that above description is an extensive announcement for those of ordinary skill in the art, and in it Appearance does not lie in exemplary embodiment described in limitation the utility model.

In addition, in the following detailed description, convenient for explaining, to elaborate many concrete details to provide to draping over one's shoulders herein The comprehensive understanding of the embodiment of dew.It should be apparent, however, that one or more embodiments are without these specific details It can be carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.

A kind of inventive concept generally according to the present utility model, provides a kind of electric connector, comprising: a shell, It 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, It is at least partially accommodated into the shell；Multiple conductive terminals are mounted on the insulating body；And a sealing ring, The sealing ring is mounted on the outside of the circumferential direction of the insertion end of the shell, and extend to the insertion end perpendicular to institute In at least part for stating the end face of direction of insertion.

Fig. 1 is the stereoscopic schematic diagram of the electric connector of an exemplary embodiment according to the present utility model；Fig. 2 is Fig. 1 Shown in electric connector side view；Fig. 3 is the front view of electric connector shown in FIG. 1；Fig. 4 is the vertical of the X-X line in Fig. 3 To cross-sectional view；Fig. 5 is the longitudinal sectional view that electric connector shown in FIG. 1 is inserted in mating connector.

As shown in Figs. 1-5, a kind of electric connector 100 of exemplary embodiment according to the present utility model is used as such as hand The USB interface of the electronic equipments such as machine, tablet computer, and be mounted on the pcb board of electronic equipment, to realize power supply and electric signal Transmission.The electric connector 100 includes: a shell 1, one made of electromagnetic shielding material by the elastic material such as such as silica gel Insulating body made of expecting, multiple conductive terminals 3 and a sealing ring 4.

Fig. 6 is a kind of shell stereoscopic schematic diagram of the electric connector of exemplary embodiment according to the present utility model；Fig. 7 is The front view of shell shown in fig. 6；Fig. 8 is the side view of shell shown in fig. 6；Fig. 9 is longitudinal section view of shell shown in fig. 6 Figure；Figure 10 is the enlarged diagram of part A shown in Fig. 9.

In a kind of exemplary embodiment, as Figure 1-10 shows, shell 1 by such as copper sheet, stainless steel substrates etc metal Plate is made up of the mechanical processing technique of punching press, shearing, bending etc, and the receiving upwardly extended in execution side is defined as in shell Space.Shell 1 has the cooperation shell for being suitable for being inserted into mating connector (200) on direction of insertion (longitudinal direction) Interior insertion end 11.Insulating body 2 is at least partially accommodated into the accommodation space of shell 1.Multiple conductive terminals 3 are mounted on On insulating body 2, to be electrically connected when electric connector 100 is inserted into mating connector 200 with the mating terminals of mating connector It connects.

Figure 11 is the three-dimensional signal for being equipped with a kind of shell of the sealing ring of exemplary embodiment according to the present utility model Figure；Figure 12 is the side view of Figure 11；Figure 13 is the longitudinal sectional view of Figure 11；Figure 14 is the amplification signal of part B shown in Figure 13 Figure.

In one embodiment, as shown in Fig. 2,4,9-14, sealing ring 4 is mounted on (Fig. 2 and 4 of insertion end 11 of shell 1 In left end) circumferential direction outside, and extend to the end face 113 perpendicular to the direction of insertion of the insertion end 11 In at least part.

In one embodiment, as shown in Fig. 2,4,9-14, insertion end 11 includes: one, the water positioned at one end of shell 1 Flat part 111；And an end from horizontal component 111 extends vertically vertical component 112 outward.In this way, as shown in Figure 10, The longitudinal cross-section for being inserted into 11 forms l-shaped.Sealing ring 4 is covered on horizontal component 111 and vertical component 112 at least In a part.

As shown in figure 5, mating connector 200 includes: made of electromagnetic shielding material in a kind of exemplary embodiment Cooperate shell 201, the cooperation shell 201 has the receiving of the insertion end 11 for the shell 1 for being suitable for receiving electric connector 100 Portion, described accommodation section are equipped with protruding radially inward stage portion 202.In the feelings that electric connector 100 is combined with mating connector 200 Under condition, at least part of the outer rim of 4 circumferential direction of sealing ring of electric connector 100 is resisted against on the inner wall 203 of receiving portion, close Part on the end face 113 for extending to insertion end 11 of seal 4 is resisted against in stage portion 202.That is, sealing ring is coated on The outer ring of the insertion end of shell 1 and front end face.In this way, for the moisture from mating connector, dust and other impurities, first in electricity Seal feature is formed at the end face 113 of the insertion end of the shell of connector, and in the outer rim and mating connector of sealing ring 4 Receiving portion inner wall at further define seal feature, to make electric connector and mating connector that there is multiple waterproof knot Structure feature, satisfaction or the requirement beyond client to water proof and dust proof leakproofness, have reached better seal effect.

In a kind of exemplary embodiment, the outside of the horizontal component 111 and the end face 113 of the vertical component 112 At least one of be equipped at least one groove 114, a part of the sealing ring is integrated in the groove 114, this The insertion end for the shell that sample can make sealing ring be firmly attached.As illustrated in figs. 6 and 10, it is formed on horizontal component 111 more A groove 114.

Figure 19 is the sealing ring for showing another exemplary embodiment according to the present utility model and the office of shell combination Portion's enlarged diagram.In the exemplary embodiment shown in Figure 19, the outside of horizontal component 111 and the vertical component 112 At least one groove, the insertion end for the shell that sealing ring can be made more firmly to adhere in this way are designed in end face 113.Groove It can be formed as multiple recess, an annular groove can also be formed as.

In one embodiment, as shown in figure 14, sealing ring 4 includes: the base portion 41 being coated on horizontal component 11；From The radial projection 42 that base portion 41 protrudes radially outward；And axial projections 42, axial projection 42 are crossed from base portion 41 The end of vertical component 112 simultaneously extends in the direction of insertion from the end face of vertical component 112 113.

As shown in Fig. 5 and 14, in the case where electric connector 100 is combined with mating connector 200, the radial direction of sealing ring 4 Protruding portion 42 is resisted against on the inner wall 203 of receiving portion, and the axial projection 43 of sealing ring 4 is resisted against in stage portion 202.In this way, For the moisture from mating connector, dust and other impurities, first at the end face 113 of the insertion end of the shell of electric connector just Seal feature is formd, and is further formed at the inner wall of the receiving portion of the radially protruding part and mating connector of sealing ring 4 Seal feature meets or exceeds client couple so that electric connector and mating connector be made to have there are two waterproof construction feature The requirement of water proof and dust proof leakproofness has reached better seal effect.

In one embodiment, as shown in figure 14, radially protruding part 42 and axial projection 43 it is external formed outer diameter by Decrescence small tapered profiles.That is, the outer diameter of sealing ring 4 is gradually reduced from radially protruding part 42 to axial projection 43.

Figure 15 is to be equipped with the solid of the shell of sealing ring of another exemplary embodiment according to the present utility model to show It is intended to；Figure 16 is the side view of Figure 15；Figure 17 is the longitudinal sectional view of Figure 15；Figure 18 is that the amplification of C portion shown in Figure 17 is shown It is intended to.

In one embodiment, as shown in figures 15-18, sealing ring 4 ' includes: the base portion being coated on horizontal component 11 41'；The radial projection 42 ' protruded radially outward from base portion 41 '；And axial projections 42 ', axial projection 42 ' from Base portion 41 ' is crossed the end of vertical component 112 and is extended in the direction of insertion from the end face of vertical component 112 113.Base The a part in portion 41 ' and the external of axial projection 42 ' form tubular profile.That is, base portion 41 ' and axial projection 42 ' outer diameters having the same.

In a kind of exemplary embodiment, sealing ring 4 and 4 ' is fixed on shell 1 in a manner of injection molding (overmolding) Insertion end 11 on.In this way, sealing ring can be made to be securely fixed on shell 1.For example, sealing ring can be by silica gel material It is made.

Figure 20 is the stereoscopic schematic diagram of the insulating body of an exemplary embodiment according to the present utility model, is shown in figure Fixed block is gone out；Figure 21 is the decomposition diagram of insulating body, conductive terminal shown in Figure 20 and protect-ing frame structure；Figure 22 is basis The longitudinal sectional view of the electric connector of another exemplary embodiment of the utility model.

In a kind of exemplary embodiment, as shown in Fig. 1,2,4,20-22, insulating body 2 includes pecker 21 and annular Flange part 22.The first end (left end in Fig. 4) of conductive terminal 3 is maintained in the upper and lower surfaces of pecker 21 On at least one.For example, conductive terminal 3 includes being arranged in the one of 21 upper surface of pecker to arrange the first terminal 31 and be arranged in ligulate The one of the lower surface in portion 21 arranges the 2nd terminal 32.The flange part 22 of annular is prominent around the pecker 21, by the tongue Shape portion 21 is mounted in the shell 1, an annular protect-ing frame structure 5 on the leading flank of the flange part 22, institute's protecting frame Frame 5 is suitable for buffering the impact of the cooperation pecker of the mating connector 200, so that the flange part be protected to be cooperatively connected By the impact of plug connector in the swapping process of device.

According to an exemplary embodiment, the shell 1 is integrally formed, the flange part 22 and shell 1 of insulating body 2 it Between using interference fit, improve the integral strength and sealing performance of electric connector.

In a kind of exemplary embodiment, as shown in Fig. 1,2,4,20-22, protect-ing frame structure 5 includes: an annular main body Portion 51 and an extension 52.The main part 51 be parallel to the direction of insertion extend and be clamped in the outside of flange part 22 with Between shell 1, the main part 51 is fixedly attached to the shell 1.The extension 52 is from the main part 51 described convex Extend on the leading flank of edge 22 towards the pecker 21.Exemplary embodiment according to the present utility model, protect-ing frame structure 5 It can be connected to by way of laser spot welding on the shell 1.

The electric connector of embodiment according to the present utility model, as shown in figs. 21 and 22, due to being socketed on insulating body 2 The protect-ing frame structure 5 of annular, the protect-ing frame structure 5 of the annular have extension 52 and connection perpendicular to electric connector direction of insertion To the main part 51 of outer housing, which receives the power in the direction of insertion that mating connector is subject in swapping process simultaneously The power is transmitted to shell 1 by main part and is transmitted to external component, thus protect insulating body therein make its by Plug impact force reduce.And the annular cladding of protect-ing frame structure is improved on the whole so that the intensity of insulating body is enhanced The intensity of electric connector 100.

In a kind of exemplary embodiment, as shown in Fig. 1,2,4,20-22, electric connector 100 further includes encapsulation part 6, institute It states encapsulation part 6 and fills the space limited by the shell 1 and 22 trailing flank of the flange part, the second end of the conductive terminal 3 311 pass through the encapsulation part 6 stretches out from the shell 1.Encapsulation part 6 be fixed in a manner of injection molding on 22 trailing flank of flange part and In the shell 1.In this way, can prevent the sundries of moisture, dust etc from entering in shell from the rear portion of shell 1, to increase The leakproofness of electric connector.

In one embodiment, electric connector 100 further includes the fixed block 7 being made of insulating material, and the setting of fixed block 1 exists The outside of the shell 1, at least part in the conductive terminal 3 stretch out after the encapsulation part 6 further pass through it is described Fixed block 6 exposes, to be electrically connected on circuit board.

In one embodiment, electric connector 100 further includes auxiliary shell 8 made of metal, the auxiliary shell Body 8 is coated in top, left and right sides and the rear lateral portion of the fixed block 7, and extends at least part of the shell 1 On.Auxiliary shell 8 can be electromagnetically shielded conductive terminal.The lower edge of auxiliary shell 8 is equipped with the multiple welderings extended downwardly Pin 81.Weldment 81 is soldered to circuit board, so that electric connector 100 is fixed on circuit boards.

Further embodiment according to the present utility model provides a kind of connector assembly, comprising: such as any of the above-described implementation Electric connector 100 and mating connector 200 described in example, the mating connector 200 includes: cooperation shell 201, described Cooperation shell 21 has the receiving portion of the insertion end 11 for the shell 1 for being suitable for receiving the electric connector 100, and described accommodation section is set There is protruding radially inward stage portion 202, at least part of the outer rim of 4 circumferential direction of sealing ring is resisted against the receiving On the inner wall in portion, the part on the end face 113 for extending to the insertion end 11 of the sealing ring 4 is resisted against the stage portion On 202.

The electric connector of embodiment according to the present utility model, in the case where electric connector is in conjunction with mating connector, At least part of the outer rim of the sealing ring circumferential direction of electric connector is resisted against on the inner wall of receiving portion, while sealing ring prolongs The part reached on the end face of insertion end is resisted against in stage portion.It is first for the moisture from mating connector, dust and other impurities It first is formed seal feature in the endface of the insertion end of the shell of electric connector, and in the outer rim and mating connection of sealing ring Seal feature is further defined at the inner wall of the receiving portion of device, to make electric connector and mating connector that there is multiple waterproof Structure feature has reached better seal effect.

It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments It can be freely combined in the case where prominent, to be realized more kinds of on the basis of the technical issues of solving the utility model Electric connector.

After the preferred embodiment that the utility model is described in detail, those skilled in the art can be clear Solution can carry out various change under the protection scope and spirit for not departing from appended claims and change, and the utility model is also It is not only restricted to the embodiment of examples cited embodiment in specification.It should be noted that word " comprising " be not excluded for other elements or Step, word "a" or "an" are not excluded for multiple.In addition, any element label of claim should not be construed as limiting this reality With novel range.

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.