CN216055420U - Electric connector - Google Patents

Abstract

The present invention provides an electrical connector comprising: connect and housing assembly, housing assembly includes interior casing and sets up the shell body in the interior casing outside, connect with the bottom of interior casing is connected, and part the joint extends to inside the interior casing, the shell body parcel is in the part the outside of connecting, the outer diapire of interior casing with it is equipped with first sealing member to inlay between the joint, the shell body have to connect the inside tongue piece that extends, tongue piece extrusion part connect, so that first sealing member is in the internal face of shell body, the bottom of interior casing and form seal structure between the joint. The utility model provides an electric connector, which is used for at least solving the technical problem of poor sealing performance of the electric connector.

Description

Electric connector

Technical Field

The utility model relates to the technical field of connectors, in particular to an electric connector.

Background

The electric connector has an increasingly wider application range and an increasingly more application environment, for example, in mobile electronic devices and peripheral devices such as smart phones, tablets, Virtual Reality devices (VR), Augmented Reality devices (AR), watches, bracelets, point of sale (POS) machines and the like, a Type C connector is generally used to transmit electric signals and signals, and the Type C is a hardware interface form of a Universal Serial Bus (USB), and is a brand new USB interface form.

At present, electric connectors on the market are sealed through dispensing, generally, the sealing performance is poor, and particularly after a subsequent Surface Mount Technology (SMT) furnace is passed, the sealing performance is poor, so that more dust and water vapor easily enter the electric connectors in the use process, and the service life of the electric connectors is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector, which is used for at least solving the technical problem of poor sealing performance of the electric connector.

In order to achieve the above object, the present invention provides an electrical connector comprising: connect and housing assembly, housing assembly includes interior casing and sets up the shell body in the interior casing outside, connect with the bottom of interior casing is connected, and part the joint extends to inside the interior casing, the shell body parcel is in the part the outside of connecting, the outer diapire of interior casing with it is equipped with first sealing member to inlay between the joint, the shell body have to connect the inside tongue piece that extends, tongue piece extrusion part connect, so that first sealing member is in the internal face of shell body, the bottom of interior casing and form seal structure between the joint.

According to the electric connector provided by the utility model, the first sealing element is arranged between the outer bottom wall of the shell and the terminal component, and the first sealing element is always kept in an elastic compression state through the extrusion action of the tongue piece, so that the inner wall surface of the outer shell, the bottom of the inner shell and the joint are tightly attached to the first sealing element, the sealing performance of the first sealing element is greatly improved, the sealing performance is not influenced through the subsequent SMT process, and the dustproof and waterproof capacity of the electric connector is improved.

In one possible embodiment, the joint includes a terminal assembly and an outer insulator, the outer insulator is integrally formed on the outer side of the terminal assembly, and the terminal assembly and the outer insulator are sealed by a sealing compound.

In one possible implementation manner, the terminal assembly includes a fixing frame, an upper row of terminals, a lower row of terminals, and an inner insulating member, the inner insulating member is connected to and molded outside the fixing frame, the upper row of terminals, and the lower row of terminals, and the inner insulating member covers part of the fixing frame, part of the upper row of terminals, and part of the lower row of terminals and forms an integrated structure, and the upper row of terminals and the lower row of terminals are respectively located at two sides of the fixing frame relatively.

In a possible implementation manner, a groove is formed in the periphery of the inner insulating member, the sealing colloid is formed by solidifying a colloid poured into the groove, the fixing frame, the upper row of terminals, the lower row of terminals and the inner insulating member are all integrally connected with the sealing colloid, and the inner wall of the outer insulating member abuts against the sealing colloid.

In a possible implementation mode, the outer insulating part comprises an interface section, a transition section and a shoulder section which are connected in sequence, the interface section extends into the inner shell, the transition section is embedded in a through hole formed in the bottom of the inner shell, the inner wall of the transition section is abutted to the sealing colloid, and the first sealing element is abutted to the bottom of the inner shell and between the shoulder sections.

In a possible implementation, the outer casing includes the upper half shell and the lower half shell of concatenation each other, the tongue piece include with the first tongue piece of the interior wall connection of upper half shell, the shoulder section towards the cavity has been seted up to upper half shell one side, the shoulder section still has the interval and is in first sealing member with first fender wall between the cavity, first tongue piece extends to in the cavity, and with first fender wall looks butt.

In a possible implementation manner, the tongue piece further includes a second tongue piece connected to an inner wall of the lower half shell, an open cavity is opened on a side of the shoulder section facing the lower half shell, the shoulder section further has a second blocking wall spaced between the first sealing element and the open cavity, and the second tongue piece extends into the open cavity and abuts against the second blocking wall.

In a possible embodiment, the inner housing further has an opening disposed opposite to the bottom of the inner housing, and the inner housing further has a retainer ring on an outer periphery of an end thereof near the opening.

In a possible embodiment, the collar is arranged around the outer circumference of the inner housing, the collar has a flange at an end thereof close to the opening, and a second sealing element is arranged between the flange and the opening of the inner housing.

In a possible implementation manner, the retainer ring is integrally connected with the inner shell, the retainer ring is formed by folding the open end of the inner shell, a flange is arranged at one end of the retainer ring, which is far away from the open end, and a second sealing member is arranged between the flange and the open end of the inner shell.

In one possible implementation, part of the upper row of terminals and part of the lower row of terminals are exposed from the upper and lower surfaces of the interface section, and part of the upper row of terminals protrudes from one end of the shoulder section away from the transition section.

The electric connector provided by the utility model has a compact structure, reduces the overall length and height, and is beneficial to improving the assembly efficiency.

According to the electric connector provided by the utility model, the first sealing element is kept in an elastic compression state through the mechanical extrusion action of the first tongue piece and the second tongue piece, the influence of expansion with heat and contraction with cold can be avoided in the subsequent surface mounting furnace-passing process, the good sealing performance is always ensured, and the abnormity of poor air tightness is avoided.

According to the electric connector provided by the utility model, the sealing colloid is formed by solidifying the colloid poured into the groove formed in the periphery of the inner insulating part, so that the sealing colloid fills the gap in the groove, and the sealing effect of the electric connector can be ensured through the viscosity of the sealing colloid.

The electric connector that this embodiment provided has set up first sealing member, second sealing member and sealed colloid, realizes the sealed effect of separation many times to ensure to realize stable sealing performance and good waterproof nature.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a front view of an electrical connector according to a first embodiment of the present invention;

fig. 3 is a cross-sectional view a-a of fig. 2 of an electrical connector according to one embodiment of the present invention;

fig. 4 is a cross-sectional view B-B of fig. 2 of an electrical connector according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a contact of an electrical connector according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the inside of a connector of an electrical connector according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the unformed encapsulant in fig. 6 of the electrical connector according to the first embodiment of the present invention;

fig. 8 is a schematic perspective view of a fixing frame of an electrical connector according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of an upper row of terminals of the electrical connector according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a lower row of terminals of the electrical connector according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a sealant of an electrical connector according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of an electrical connector according to an embodiment of the present invention;

fig. 13 is a bottom view of an electrical connector according to one embodiment of the present invention;

fig. 14 is a schematic perspective view of a housing assembly of an electrical connector according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of an upper housing half of an electrical connector according to an embodiment of the present invention;

fig. 16 is a perspective view of a lower housing half of the electrical connector according to an embodiment of the present invention;

fig. 17 is a schematic perspective view of a first sealing member of the electrical connector according to an embodiment of the present invention;

fig. 18 is a schematic perspective view of an inner housing of an electrical connector according to an embodiment of the present invention;

fig. 19 is a top view of an electrical connector according to one embodiment of the present invention;

fig. 20 is a left side view of an electrical connector according to one embodiment of the present invention;

fig. 21 is a right side view of an electrical connector according to one embodiment of the present invention;

fig. 22 is a schematic perspective view of an inner housing of an electrical connector according to a second embodiment of the present invention;

fig. 23 is a top view of an inner housing of the electrical connector according to the second embodiment of the present invention;

fig. 24 is a partial schematic structural view of an electrical connector according to a second embodiment of the present invention;

fig. 25 is a schematic perspective view of a second sealing member of the electrical connector according to the second embodiment of the present invention;

fig. 26 is a rear view of an electrical connector according to a second embodiment of the present invention;

fig. 27 is a schematic perspective view of a retainer ring of an electrical connector according to an embodiment of the present invention;

fig. 28 is a cross-sectional view of an electrical connector according to a second embodiment of the present invention;

fig. 29 is a front view of an inner housing of the electrical connector according to the second embodiment of the present invention;

fig. 30 is a right side view of the inner housing of the electrical connector according to the second embodiment of the present invention;

fig. 31 is a half sectional view of an inner housing of an electrical connector according to a second embodiment of the present invention.

Description of reference numerals:

10-a linker;

12-a terminal assembly;

121-a fixing frame;

122-upper row terminals;

123-lower row terminals;

124-inner insulation;

1241-groove;

125-sealing colloid;

13-an outer insulator;

131-an interface section;

132-a transition section;

133-shoulder section;

1331-cavities;

1332-a first retaining wall;

1333-open cavity;

1334-a second retaining wall;

20-an outer shell;

21-upper half shell;

211-first connection lug;

212-a second engaging lug;

213-first solder hole;

214-connecting hole;

22-a lower half-shell;

221-a second weld hole;

30-a first seal;

40-a retainer ring;

41-flanging;

42-third weld hole;

50-a second seal;

70-tongue piece;

71-a first tongue;

72-a second tongue;

80-an inner shell;

81-through holes;

82-opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The electric connector is various in types, wherein the Type C connector is a brand-new interface connector which is made by a USB standardization organization in order to solve the defects that the USB interface is not unified in physical interface specification for a long time and electric energy can only be transmitted in one direction, and the Type C connector is characterized in that the upper end and the lower end of the Type C connector are completely consistent in appearance, positive and negative 2 directions are supported to be inserted, and high-speed signal transmission can be realized. Type C in the existing market has the defect that the leakproofness is not good, especially in follow-up production process, and SMT crosses the stove back, because different materials are met heat and the contractility that meets is different, influences holistic sealing performance, and dust steam gets into easily, influences the life of Type C connector.

In view of the above background, the present invention provides an electrical connector, in which a tongue piece is disposed on an inner wall of an outer housing, and a pressing force is applied to a first sealing member by a terminal assembly through a pressing action of the tongue piece, so as to ensure a sealing effect of the first sealing member. In addition, realize multiple sealed through setting up first sealing member, sealed colloid and second sealing member, all-round promotion sealing performance.

An electrical connector provided by an embodiment of the present invention is described below with reference to the drawings.

Example one

Referring to fig. 1 and 2, the present invention provides an electrical connector including: the connector 10 and the shell assembly, the shell assembly includes an inner shell 80 and an outer shell 20 disposed outside the inner shell 80, the connector 10 is connected with the bottom of the inner shell 80, a part of the connector 10 extends into the inner shell 80, and the outer shell 20 is wrapped outside the part of the connector 10. Referring to fig. 3 and 4, a first sealing member 30 is embedded between the outer bottom wall of the inner case 80 and the joint 10. Referring to fig. 1 and 4, the outer case 20 has a tongue 70 extending toward the inside of the joint 10, and the tongue 70 presses a portion of the joint 10 such that the first seal 30 forms a sealing structure between the inner wall surface of the outer case 20, the bottom of the inner case 80, and the joint 10.

The electric connector provided by the embodiment is characterized in that the first sealing element 30 is arranged between the outer bottom wall of the inner shell 80 and the terminal component 12, and the tongue piece 70 is used for extruding, so that the inner wall surface of the outer shell 20, the bottom of the inner shell 80 and the joint 10 are attached to the first sealing element 30 more tightly, the sealing performance of the first sealing element 30 is greatly improved, the sealing effect of the electric connector is improved, and the electric connector has a better dustproof and waterproof effect. In addition, even if the influence of the thermal expansion and contraction is applied in the subsequent SMT furnace process, the first sealing element 30 can ensure good sealing performance under the elastic deformation action.

In a possible implementation manner, one electrical connector provided by the present embodiment may be a Type C connector.

In one possible embodiment, and as shown in fig. 4 and 5, the joint 10 includes a terminal assembly 12 and an outer insulator 13, the outer insulator 13 is integrally formed on the outside of the terminal assembly 12, and the terminal assembly 12 and the outer insulator 13 are sealed by a sealant 125.

In one possible embodiment, the outer insulator 13 may be a plastic part.

In a possible implementation manner, referring to fig. 6 and 7, the terminal assembly 12 includes a fixing frame 121, an upper row terminal 122, a lower row terminal 123 and an inner insulating member 124, referring to fig. 7 and 8, the inner insulating member 124 is connected and molded to the outer sides of the fixing frame 121, the upper row terminal 122 and the lower row terminal 123, and the inner insulating member 124 wraps the outer sides of part of the fixing frame 121, part of the upper row terminal 122 and part of the lower row terminal 123 and forms an integrated structure, and the upper row terminal 122 and the lower row terminal 123 are respectively located at two sides of the fixing frame 121.

In one possible embodiment, the inner insulating member 124 may be a plastic member.

Referring to fig. 9 and 10, each of the upper row terminal 122 and the lower row terminal 123 includes a plurality of terminal pins uniformly arranged, and the terminal pins are made of metal.

In a possible implementation manner, referring to fig. 7 and 11, a groove 1241 is formed on an outer circumference of the inner insulating member 124, the sealing colloid 125 is formed by solidifying a colloid poured into the groove 1241, the fixing frame 121, the upper row of terminals 122, the lower row of terminals 123 and the inner insulating member 124 are all integrally connected with the sealing colloid 125, and an inner wall of the outer insulating member 13 abuts against the sealing colloid 125.

The groove 1241 may be a ring structure formed along the outer circumference of the inner insulating member 124, and the sealing colloid 125 fills the gap in the groove 1241, so that the sealing effect of the sealing colloid 125 can be ensured by the viscosity of the sealing colloid 125 itself. The inner insulating member 124 is connected to and molded on the fixing frame 121, the upper row terminal 122 and the lower row terminal 123, so that the effect of stable connection is achieved, and the quality is more stable.

In one possible implementation, referring to fig. 2 and 3, the outer insulator 13 is molded on the outer side of the terminal assembly 12, and the sealant 125 seals the gap formed between the fixing frame 121, the upper row of terminals 122, the lower row of terminals 123, the inner insulator 124 and the outer insulator 13.

The outer insulator 13 is molded outside the terminal assembly 12, and the outer insulator 13 is firmly connected to the terminal assembly 12. The external insulation member 13 can be formed by in-mold forming, so that the external insulation member 13 always keeps the sealing colloid 125 in an extruded elastic compression state, and after the SMT furnace is passed, the electric connector provided by the embodiment is always kept in a good sealing state, and good dustproof and waterproof performances are ensured.

In a possible implementation manner, referring to fig. 2 and 3, the outer insulating member 13 includes an interface section 131, a transition section 132 and a shoulder section 133 connected in sequence, the interface section 131 extends into the inner casing 80, the transition section 132 is embedded in a through hole 81 formed in the bottom of the inner casing 80, an inner wall of the transition section 132 abuts against the sealing colloid 125, and the first sealing member 30 abuts between the bottom of the inner casing 80 and the shoulder section 133. The interface section 131, transition section 132 and shoulder section 133 are integrally formed.

The interface section 131 extends into the inner housing 80 through a through hole 81 formed in the bottom of the inner housing 80, and the outer periphery of the transition section 132 abuts against the inner wall of the through hole 81 formed in the bottom of the inner housing 80. Shoulder section 133 is flush with the surface of inner shell 80 so that outer shell 20 wraps shoulder section 133 and inner shell 80 simultaneously.

In one possible embodiment, the inner housing 80 also has an opening 82, and the interface section 131 extends outside the opening 82.

It is easy to understand that, the transition section 132 wraps up on the periphery of the sealing colloid 125, and the first sealing member 30 butts between the bottom of the inner shell 80 and the shoulder section 133, so that the sealing colloid 125 and the first sealing member 30 are respectively arranged at the inner side and the outer side of the transition section 132, and an extrusion effect is formed on the transition section 132 jointly, so that a stable sealing effect is realized in the circumferential direction along the transition section 132, and a waterproof and dustproof effect is achieved.

In one possible embodiment, as shown in fig. 4 and 12, a portion of the upper row of terminals 122 and a portion of the lower row of terminals 123 are exposed at the upper and lower surfaces of the interface section 131, and as shown in fig. 4 and 13, a portion of the upper row of terminals 122 protrudes beyond an end of the shoulder section 133 away from the transition section 132.

In a possible embodiment, as shown in fig. 14 and 15, the outer casing 20 includes an upper half-shell 21 and a lower half-shell 22 that are joined to each other, the tongue 70 includes a first tongue 71 connected to an inner wall of the upper half-shell 21, as shown in fig. 4, a cavity 1331 is opened on a side of the shoulder section 133 facing the upper half-shell 21, the shoulder section 133 further has a first blocking wall 1332 spaced between the first sealing element 30 and the cavity 1331, and the first tongue 71 extends into the cavity 1331 and abuts against the first blocking wall 1332.

Referring to fig. 14 and 15, the upper half shell 21 is provided with a plurality of first welding holes 213 for facilitating welding of the upper half shell 21 and the inner shell 80, and the plurality of first welding holes 213 may be uniformly arranged.

Referring to fig. 15 and 16, the lower half shell 22 is provided with a plurality of second welding holes 221 to facilitate welding of the lower half shell 22 and the inner shell 80, and the plurality of second welding holes 221 may be uniformly arranged.

The first tongue 71 is integrally connected to the inner wall of the upper half-shell 21, and may be that one end of the first tongue 71 is connected to the inner wall of the upper half-shell 21, and the other end of the first tongue 71 extends into the cavity 1331 to abut against the first blocking wall 1332.

The first tongue piece 71 extends into the cavity 1331 under its own elastic force and pushes against the first blocking wall 1332, so that the first blocking wall 1332 presses the first sealing member 30, and the first sealing member 30 maintains a certain elastic compression amount, so that the first sealing member 30 is tightly attached to the bottom of the inner casing 80 and the first blocking wall 1332 of the shoulder section 133, and a good sealing effect of the first sealing member 30 is ensured.

In a possible embodiment, as shown in fig. 14 and 16, the tongue 70 further comprises a second tongue 72 connected to the inner wall of the lower half-shell 22, as shown in fig. 4, the shoulder section 133 opens an open cavity 1333 on the side facing the lower half-shell 22, the shoulder section 133 further has a second stop wall 1334 spaced between the first seal 30 and the open cavity 1333, and the second tongue 72 extends into the open cavity 1333 and abuts against the second stop wall 1334.

Referring to fig. 4 and 16, the second tongue 72 is integrally connected to the inner wall of the lower half 22, and one end of the second tongue 72 may be connected to the inner wall of the lower half 22, and the other end of the second tongue 72 extends into the open cavity 1333 to abut against the second retaining wall 1334.

The second tongue 72 extends into the open cavity 1333 under its own elastic force and pushes against the second stop wall 1334, so that the second stop wall 1334 presses against the first seal 30, and the first seal 30 maintains a certain amount of elastic compression, so that the first seal 30 is tightly attached to the bottom of the inner casing 80 and the second stop wall 1334 of the shoulder section 133, ensuring a good sealing effect of the first seal 30.

Referring to fig. 15 and 16, in a possible embodiment, upper half-shell 21 and lower half-shell 22 are metal shells. For example, the outer case 20 is a stainless steel case, an iron case, or the like.

Referring to fig. 17, in one possible implementation, the first seal 30 may be a rubber ring.

In one possible embodiment, referring to fig. 18, the inner housing 80 may be an iron shell that is drawn and machined, and the inner housing 80 has a hollow structure inside.

In one possible embodiment, referring to fig. 14, the opening 82 is disposed opposite the bottom of the inner housing 80, and the inner housing 80 further has a retainer ring 40 on the outer periphery of the end near the opening 82.

In one possible embodiment, and referring to fig. 19, 20 and 21, the retainer ring 40 is disposed around the outer periphery of the inner housing 80, the retainer ring 40 has a flange 41 near the opening 82, and the second seal 50 is disposed between the flange 41 and the opening 82 of the inner housing 80. The sealing effect between the inner housing 80 and the collar 40 is achieved by the provision of the second seal 50.

In one possible embodiment, referring to fig. 22 and 23, the flange 41 may be folded in a direction perpendicular to the inner housing 80.

In a possible embodiment, referring to fig. 24 and 25, the second sealing member 50 may be an ultraviolet curing rubber ring, or UV rubber ring for short, and the gap between the inner housing 80 and the retainer ring 40 is bonded by the viscosity of the second sealing member 50 itself to realize sealing.

In this embodiment, referring to fig. 20 and 21, the upper half shell 21 and the lower half shell 22 may be laser welded to the inner housing 80, and the retainer ring 40 may be laser welded or laser welded to the outer periphery of the inner housing 80.

Referring to fig. 15 and 26, the upper half shell 21 has a first connection lug 211 and a second connection lug 212 on two sides, and the first connection lug 211 and the second connection lug 212 have connection holes 214 formed therein for connecting with external devices.

Referring to fig. 27, the retainer ring 40 is ring-shaped, and a plurality of third welding holes 42 are formed in the outer circumference of the retainer ring 40 to facilitate the welding connection between the retainer ring 40 and the inner housing 80.

The electric connector provided by the embodiment is provided with the first sealing element 30, the second sealing element 50 and the sealing colloid 125, so that the multi-time separation sealing effect is realized, a good sealing effect can be realized, the waterproof requirement of IP68 can be realized, and the electric connector is the highest level of the waterproof grade standard of the electric connector. It is easy to understand that the IP (Ingress Protection, IP for short) level is a Protection level against the intrusion of foreign objects into the housing of the electrical equipment, and the IP level is composed of two numbers, the first number representing dust prevention; the second number indicates that the waterproof is good, and the larger the number is, the better the protection is.

Example two

The difference between the second embodiment and the first embodiment is that: referring to fig. 28 and 29, the retainer ring 40 is integrally connected to the inner housing 80, the retainer ring 40 is formed by folding over the end of the opening 82 of the inner housing 80, the end of the retainer ring 40 away from the opening 82 has a flange 41, and the second seal member 50 is disposed between the flange 41 and the opening 82 of the inner housing 80.

Referring to fig. 30 and 31, the structure in which the retainer ring 40 and the inner housing 80 are integrally connected has better sealing performance, and in the subsequent SMT furnace process, the problem of poor sealing performance caused by different heat shrinkage performance of different materials can be effectively solved, and the reliability of sealing connection is improved.

The rest of the structure is the same as the first embodiment, and is not described herein again.

It should be noted that the numerical values and numerical ranges referred to in this application are approximate values, and there may be some error due to the manufacturing process, and the error may be considered to be negligible by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (11)

1. An electrical connector, comprising: connect (10) and housing assembly, housing assembly includes interior casing (80) and sets up outer casing (20) in the interior casing (80) outside, connect (10) with the bottom of interior casing (80) is connected, and part joint (10) extend to inside interior casing (80), outer casing (20) parcel is in the part the outside of joint (10), the outer bottom wall of interior casing (80) with inlay between joint (10) and be equipped with first sealing member (30), outer casing (20) have to tongue piece (70) that connect (10) inside extension, tongue piece (70) extrusion part connect (10), so that first sealing member (30) are in the internal face of outer casing (20), the bottom of interior casing (80) and form seal structure between joint (10).

2. The electrical connector of claim 1, wherein the terminal (10) comprises a terminal assembly (12) and an outer insulator (13), the outer insulator (13) is integrally formed on the outside of the terminal assembly (12), and the terminal assembly (12) and the outer insulator (13) are sealed by a sealing compound (125).

3. The electrical connector according to claim 2, wherein the terminal assembly (12) comprises a fixing frame (121), an upper row of terminals (122), a lower row of terminals (123) and an inner insulating member (124), the inner insulating member (124) is connected and molded to the outer sides of the fixing frame (121), the upper row of terminals (122) and the lower row of terminals (123), and the inner insulating member (124) covers part of the outer sides of the fixing frame (121), part of the upper row of terminals (122) and part of the lower row of terminals (123) and forms an integral structure, and the upper row of terminals (122) and the lower row of terminals (123) are respectively located at two opposite sides of the fixing frame (121).

4. The electrical connector according to claim 3, wherein a groove (1241) is formed on an outer circumference of the inner insulating member (124), the sealing gel (125) is formed by solidifying a gel poured into the groove (1241), the fixing frame (121), the upper row of terminals (122), the lower row of terminals (123) and the inner insulating member (124) are integrally connected to the sealing gel (125), and an inner wall of the outer insulating member (13) abuts against the sealing gel (125).

5. The electrical connector according to claim 4, wherein the outer insulating member (13) comprises an interface section (131), a transition section (132) and a shoulder section (133) which are connected in sequence, the interface section (131) extends into the inner housing (80), the transition section (132) is embedded in a through hole (81) formed in the bottom of the inner housing (80), the inner wall of the transition section (132) abuts against the sealing colloid (125), and the first sealing member (30) abuts between the bottom of the inner housing (80) and the shoulder section (133).

6. The electrical connector of claim 5, wherein the outer housing (20) comprises an upper half shell (21) and a lower half shell (22) which are spliced together, the tongue piece (70) comprises a first tongue piece (71) connected with an inner wall of the upper half shell (21), a cavity (1331) is opened on one side of the shoulder section (133) facing the upper half shell (21), the shoulder section (133) further comprises a first blocking wall (1332) spaced between the first sealing element (30) and the cavity (1331), and the first tongue piece (71) extends into the cavity (1331) and abuts against the first blocking wall (1332).

7. The electrical connector of claim 6, wherein the tongue (70) further comprises a second tongue (72) connected to an inner wall of the lower housing half (22), wherein an open cavity (1333) is opened at a side of the shoulder section (133) facing the lower housing half (22), the shoulder section (133) further comprises a second blocking wall (1334) spaced between the first sealing member (30) and the open cavity (1333), and the second tongue (72) extends into the open cavity (1333) and abuts against the second blocking wall (1334).

8. The electrical connector of any of claims 1-7, wherein the inner housing (80) further has an opening (82), the opening (82) being disposed opposite a bottom of the inner housing (80), the inner housing (80) further having a retainer ring (40) on an outer periphery of an end of the inner housing (80) adjacent to the opening (82).

9. The electrical connector of claim 8, wherein the retainer ring (40) is disposed around the outer periphery of the inner housing (80), the retainer ring (40) having a flange (41) at an end thereof adjacent to the opening (82), and a second seal (50) disposed between the flange (41) and the opening (82) of the inner housing (80).

10. The electrical connector of claim 8, wherein the retainer ring (40) is integrally connected to the inner housing (80), the retainer ring (40) is formed by folding over an open end of the inner housing (80), and a flange (41) is provided at an end of the retainer ring (40) away from the opening (82), and a second sealing member (50) is provided between the flange (41) and the opening (82) of the inner housing (80).

11. The electrical connector of claim 6, wherein a portion of the upper row of terminals (122) and a portion of the lower row of terminals (123) are exposed at the upper and lower surfaces of the interface section (131), respectively, and a portion of the upper row of terminals (122) protrudes beyond an end of the shoulder section (133) away from the transition section (132).

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