CN218351766U

CN218351766U - Waterproof electric connector

Info

Publication number: CN218351766U
Application number: CN202221419964.6U
Authority: CN
Inventors: 向亮亮; 张建有
Original assignee: Zhongshan Yide Electronics Co ltd
Current assignee: Zhongshan Yide Electronics Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-01-20
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a waterproof electric connector, a serial communication port, include: the conductive seat body comprises at least one row of terminals and an insulating piece for coating the row of terminals, the insulating piece comprises an accommodating cavity and two buckling parts arranged at intervals in a first direction, the accommodating cavity penetrates through the insulating piece in a second direction, and the second direction is perpendicular to the first direction; the metal piece is coated on the conductive base body and comprises two clamping parts which are arranged at intervals in a first direction, one clamping part is correspondingly matched with one buckling part for buckling to form a buckling structure, and the accommodating cavity is positioned between the two buckling structures in the first direction; the insulating shell covers the metal piece and comprises a fixing part which is positioned in the accommodating cavity.

Description

Waterproof electric connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to a waterproof electrical connector, and more particularly to a waterproof electrical connector with stable holding between internal structures.

[ background ] A method for producing a semiconductor device

Chinese application No. CN201920022188.8 discloses a waterproof electrical connector, which includes an upper body, a second housing and a housing, wherein the second housing is located on the upper body in a matching manner, and the housing is integrally injection-molded on the upper body and the outer housing of the second housing, the second housing includes a fixing portion, the fixing portion combines with a screw to fix the waterproof electrical connector to a circuit board, the upper body has an oval-shaped clamping block, the second housing has an oval-shaped clamping hole, and the clamping block is located in the clamping hole.

In the above structure, there are the following problems:

1. the oval clamping hole and the clamping block are positioned and then may rotate under the action of external force, so that the second shell deflects relative to the upper body, the fixing part and the screw hole in the external element are staggered, and the waterproof electric connector cannot be accurately fixed on the external element.

2. The shell is integrally injection-molded outside the upper body and the second shell, and at the position of the clamping block, the shell can only be limited with the upper body through the clamping block, and the second shell is not limited with the shell, so that the positioning among the shell, the upper body and the second shell is not stable enough, and the durability of the waterproof electric connector is influenced.

Therefore, there is a need for a new electrical connector and a method for manufacturing the same to overcome the above problems.

[ Utility model ] content

An object of the utility model is to provide an it accepts the chamber to be provided with between two hasp structures between metalwork and insulating part for the insulating casing's of cladding metalwork and insulating part fixed part is located accepts the intracavity, thereby the stable waterproof electric connector of fixing between metalwork, insulating part, the insulating casing three.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a waterproof electrical connector, comprising: the conductive base comprises at least one row of terminals and an insulating part for coating the row of terminals, the insulating part comprises an accommodating cavity and two buckling parts arranged at intervals in a first direction, the accommodating cavity penetrates through the insulating part in a second direction, and the second direction is perpendicular to the first direction; the metal piece covers the conductive base body, the metal piece comprises two clamping parts which are arranged at intervals in the first direction, one clamping part is correspondingly matched with one buckling part for buckling to form a buckling structure, and the accommodating cavity is positioned between the two buckling structures in the first direction; the insulating shell covers the metal piece and comprises a fixing part, and the fixing part is positioned in the accommodating cavity.

Further, the insulating member includes two receiving holes spaced in the first direction, the receiving holes are formed by recessing in the second direction from the insulating member to a direction away from the metal member, the two receiving holes and the two clamping portions are arranged in one-to-one correspondence, the receiving holes are communicated with the receiving cavities, and a part of the insulating housing is located in the receiving holes.

Further, the insulating part is provided with two bosses protruding into the accommodating cavity, the two bosses correspond to the two accommodating holes one to one, the bosses are located on one side of the accommodating holes in a third direction, the third direction is perpendicular to the first direction and the second direction, the fixing part wraps the bosses, and the bosses block the fixing part from displacing in a direction away from the metal part.

Furthermore, the insulating part further comprises a connecting part, two ends of the connecting part in the first direction are respectively and integrally connected with the two buckling parts, a step surface is formed between each buckling part and the connecting part, and the step surface blocks the displacement of the fixing part in the first direction.

Furthermore, each buckling part is formed by protruding the insulating part, each buckling part comprises a limiting groove, the limiting grooves are communicated with the accommodating cavities in the first direction, and the buckling parts are located in the limiting grooves.

Further, the insulating part comprises at least one convex rib, the convex rib is positioned in the accommodating cavity, and in the first direction, at least part of projection of the convex rib is positioned in projection of the clamping part.

Furthermore, the waterproof electric connector further comprises a shielding piece, the shielding piece wraps the insulating piece, a through groove and two limiting parts are arranged at the position, corresponding to the accommodating cavity, of the shielding piece, and the two limiting parts are arranged at intervals in the first direction and are respectively correspondingly positioned at two sides of the through groove; the insulating piece comprises at least one convex strip arranged in the accommodating cavity, at least part of projection of the convex strip is positioned in projection of the limiting part in the first direction, and the insulating shell is coated outside the through groove and the convex strip.

Further, the terminal comprises an exposed portion located in the accommodating cavity, the exposed portion is exposed to the through groove when viewed in the second direction, and the fixing portion covers the exposed portion.

Further, the metal piece and the shielding piece are respectively coated on two sides of the insulating piece in the second direction, the accommodating cavity is communicated with the through groove, and the fixing portion is located in the through groove.

Further, the insulating part includes an at least fin, the fin is located accept the intracavity in the second direction, the fin is more than the sand grip is closer to the metalwork, just the projection of fin with the projection of sand grip is not overlapped.

Compared with the prior art, the utility model discloses following beneficial effect has:

the metal piece and the insulating piece of the waterproof electric connector are mutually fixed through the clamping parts and the buckling parts which are respectively arranged on the metal piece and the insulating piece, the two clamping parts are respectively correspondingly matched with the two buckling parts to form two buckling structures, the metal piece and the insulating piece are stably matched, the insulating piece is further provided with an accommodating cavity which is positioned between the two buckling structures, the accommodating cavity penetrates through the insulating piece, the insulating shell further comprises a fixing part, and the fixing part is positioned in the accommodating cavity, so that the metal piece, the insulating shell and the insulating piece can be mutually blocked at the positions of the buckling structures in the first direction, namely the metal piece and the insulating piece are mutually blocked at the positions, the insulating piece and the insulating shell are mutually blocked, and the metal piece and the insulating shell are mutually blocked, so that the metal piece, the insulating shell and the insulating piece are stably fixed, further, the internal space of the waterproof electric connector is fully utilized, and miniaturization of the waterproof electric connector is facilitated.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the waterproof electrical connector of the present invention;

FIG. 2 is a perspective assembly view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 isbase:Sub>A cross-sectional view taken along A-A of FIG. 3 (where the waterproof glue is omitted);

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 (where the waterproof glue is omitted);

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3 (where the waterproof glue is omitted);

fig. 7 is a partially exploded view of the shield, the metal member and the conductive base of the waterproof electrical connector of the present invention;

FIG. 8 is a perspective assembly view of FIG. 7;

FIG. 9 is an enlarged view at P of FIG. 8;

FIG. 10 is a top view of FIG. 8;

fig. 11 is a partially exploded view of the shield, the metal member and the conductive base of the waterproof electrical connector of the present invention;

FIG. 12 is a perspective assembly view of FIG. 11;

FIG. 13 is an enlarged view at Q of FIG. 12;

fig. 14 is a top view of fig. 12.

Description of the embodiments reference is made to the accompanying drawings in which:

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

The utility model discloses a waterproof electric connector 100 defines first direction and is the X axle, and the second direction is the Y axle, and the third direction is the Z axle.

As shown in fig. 1 to 14, for the waterproof electrical connector 100 of the present invention, including a conductive base 1, both sides cladding on the first direction the outer metal piece 2 and shielding piece 3, cladding of conductive base 1 the metal piece 2 the shielding piece 3 with the insulating housing 5 outside the conductive base 1, the waterproof electrical connector 100 further includes a waterproof adhesive 4, the waterproof adhesive 4 is injected and filled in the insulating housing 5.

As shown in fig. 1, 6 and 7, the conductive housing 1 includes two rows of terminals 11 and an insulating member 12 covering the two rows of terminals 11, in this embodiment, the insulating member 12 and the terminals 11 are integrally injection-molded, but in other embodiments, the terminals 11 may be assembled or otherwise conventionally used by those skilled in the art, and include an exposed portion 110; the insulating member 12 includes a receiving cavity 121, two latching portions 120 spaced apart from each other in the first direction, and two receiving holes 126 spaced apart from each other in the first direction, the receiving cavity 121 penetrates the insulating member 12 in the second direction, the exposed portion 110 is located in the receiving cavity 121, the latching portions 120 are formed by protruding from the insulating member 12, the receiving cavity 121 and the receiving holes 126 are communicated with each other, the receiving holes 126 are formed by recessing from the insulating member 12 in the second direction in a direction away from the metal member 2, and a portion of the insulating housing 5 is located in the receiving holes 126.

As shown in fig. 7 to 9, the insulating member 12 further includes two bosses 125 and a connecting portion 122 located between the two fastening portions 120, the bosses 125 are formed by protruding from the insulating member 12 into the receiving cavities 121, the two bosses 125 correspond to the two receiving holes 126 one by one, the bosses 125 are located on one side of the receiving holes 126 in the third direction, two ends of the connecting portion 122 in the first direction are respectively connected to the two fastening portions 120 integrally, and a step surface 124 is formed between each fastening portion 120 and the connecting portion 122.

As shown in fig. 8 to 10, the metal member 2 includes two retaining portions 21 arranged at an interval in the first direction, one of the retaining portions 21 is correspondingly matched with one of the retaining portions 120 to form a locking structure M, in the first direction, the receiving cavity 121 is located between the two locking structures M, each of the retaining portions 21 includes a limiting groove 210, the limiting groove 210 and the receiving cavity 121 are communicated with each other in the first direction, and the retaining portion 120 is located in the limiting groove 210.

As shown in fig. 11 to 14, a through groove 31 communicating with the receiving cavity 121 is disposed at a position of the shield 3 corresponding to the receiving cavity 121, the through groove 31 includes two limiting portions 32 spaced from each other in the first direction, the insulating member 12 includes two protruding strips 127 and one protruding rib 123 disposed in the receiving cavity 121, in this embodiment, the number of the protruding strips 127 is two, and the number of the protruding ribs 123 is one, but in other embodiments, the number of the protruding strips 127 and the number of the protruding ribs 123 may be other values.

As shown in fig. 4 and 5, in the first direction, the protruding strip 127 is located between the two position-limiting parts 32, and the protruding rib 123 is located between the two position-limiting parts 21, wherein at least a part of the projection of the protruding strip 127 is located in the projection of the position-limiting parts 32, at least a part of the projection of the protruding rib 123 is located in the projection of the position-limiting parts 21, and in the second direction, the projection of the protruding strip 127 and the projection of the protruding rib 123 are staggered and do not overlap with each other.

As shown in fig. 4 to fig. 6, the insulating housing 5 includes a fixing portion 51, the fixing portion 51 is located in the accommodating cavity 121, and the fixing portion 51 covers the boss 125, the step surface 124 and the exposing portion 110, correspondingly, the boss 125 stops the fixing portion 51 from displacing in a direction away from the metal member 2, the step surface 124 stops the fixing portion 51 from displacing in the first direction, and the insulating housing 5 is mutually fixed to the terminal 11 through the fixing portion 51, so as to increase the overall stability of the waterproof electrical connector 100.

As shown in fig. 4 to 6, the fixing portion 51 covers the protruding strip 127 and the protruding rib 123, such that the fixing portion 51 located between the two limiting portions 32 is limited by the limiting portions 32 and the protruding strip 127 in the first direction, and the fixing portion 51 located between the two latching portions 21 is limited by the latching portions 21 and the protruding rib 123 in the first direction, which further increases the overall stability of the waterproof electrical connector 100.

To sum up, the utility model discloses the connector has following beneficial effect:

1. the metal part 2 and the insulating part 12 of the waterproof electrical connector 100 are fixed to each other through the retaining part 21 and the buckling part 120 respectively arranged thereon, and the two retaining parts 21 are respectively correspondingly matched and buckled with the two buckling parts 120 to form two buckling structures M, the metal part 2 and the insulating part 12 are stably matched, the insulating part 12 is further provided with an accommodating cavity 121 located between the two buckling structures M, and the accommodating cavity 121 penetrates through the insulating part 12, further the insulating housing 5 comprises a fixing part 51, and the fixing part 51 is located in the accommodating cavity 121, so that in the first direction, the metal part 2, the insulating housing 5, and the insulating part 12 can be mutually blocked at the positions of the buckling structures M, that is, at the positions, the metal part 2 and the insulating part 12 are mutually blocked, the insulating part 12 and the insulating housing 5 are mutually blocked, the metal part 2 and the insulating part 5 are mutually blocked, the insulating part 12 are mutually blocked, further, the internal space of the waterproof electrical connector 100 is fully utilized, and the waterproof electrical connector 100 is favorable for realizing the miniaturization of the waterproof electrical connector.

2. The insulating member 12 includes two receiving holes 126 arranged at intervals in the first direction, the receiving holes 126 are formed by being recessed from the insulating member 12 in the second direction in a direction away from the metal member 2, the two receiving holes 126 and the two clamping portions 21 are arranged in a one-to-one correspondence, the receiving holes 126 are communicated with the receiving cavities 121, a part of the insulating housing 5 is located in the receiving holes 126, and the insulating housing 5 covers the metal member 2, so that the positions of the insulating housing 5 and the metal member 2 in the clamping portions 21 can be further blocked in the second direction, and the matching stability of the metal member 2 and the insulating housing 5 is improved.

3. The bosses 125 are located in the receiving cavities 121 and correspond to the receiving holes 126 one by one, so that the fixing portion 51 fills the receiving holes 126, and the insulating housing 5 and the holding portion 21 are blocked in the second direction, and meanwhile, the bosses 125 and the insulating housing 5 are blocked in each other, thereby further increasing the holding stability of the insulating member 12 and the insulating housing 5.

4. The two ends of the connecting portion 122 in the first direction are integrally connected to the two fastening portions 120, so that the two fastening portions 120 are not easily damaged when being subjected to an acting force in the first direction, and the arrangement of the connecting portion 122 can increase a blocking area between the insulating member 12 and the insulating housing 5, so as to increase a holding stability between the insulating member 12 and the insulating housing 5, further, a step surface 124 is formed between each fastening portion 120 and the connecting portion 122, when the insulating housing 5 is injection-molded on the metal member 2, the fixing portion 51 is molded in the receiving cavity 121, and at the position of the fastening structure M, the step surface 124 can further block a displacement of the fixing portion 51 in the first direction, so as to stabilize a holding between the insulating housing 5 and the insulating member 12.

5. Each of the retaining portions 120 is formed by protruding from the insulating member 12, each of the retaining portions 21 includes a limiting groove 210, the limiting groove 210 and the receiving cavity 121 are communicated with each other in the first direction, and the retaining portion 120 is located in the limiting groove 210, so that when a gap does not exist between the retaining portion 120 and the retaining portion 21 due to a loose fit, the gap can be further filled by the insulating housing 5 which is injection-molded on the metal member 2 and the outer side of the insulating member 12, thereby performing a reinforcing function.

6. The insulating member 12 includes at least one protruding rib 123, the protruding rib 123 is located in the receiving cavity 121, in the first direction, at least a part of the projection of the protruding rib 123 is located in the projection of the retaining part 21, the fixing part 51 between the two retaining parts 21 is limited by the retaining part 21 and the protruding rib 123 in the first direction, and thus the metal member 2 and the insulating housing 5 are stably retained.

7. A through groove 31 is formed in a position, corresponding to the accommodating cavity 121, of the shielding element 3, the through groove 31 includes two limiting portions 32 arranged at intervals in the first direction, the insulating element 12 includes at least one protruding strip 127 arranged in the accommodating cavity 121, at least part of a projection of the protruding strip 127 is located in a projection of the limiting portion 32 in the first direction, the insulating housing 5 is covered outside the through groove 31 and the protruding strip 127, and the insulating housing 5 located in the through groove 31 is limited while being subjected to the limiting portion 32 and the protruding strip 127 in the first direction, so that the shielding element 3, the insulating element 12 and the insulating housing 5 are stably fixed and held in the first direction.

8. The terminals 11 include exposed portions 110 located in the receiving cavities 121, when viewed in the second direction, the exposed portions 110 are exposed from the through grooves 31, the fixing portions 51 cover the exposed portions 110, and the fixing portions 51 further cover the exposed portions 110, so that the terminals 11 and the insulating housing 5 are also stopped at the positions of the fixing portions 51, thereby increasing the overall stability of the waterproof electrical connector 100.

9. The metal piece 2 and the shielding piece 3 are respectively coated on the two sides of the insulating piece 12 in the second direction, the accommodating cavity 121 is communicated with the through groove 31, the fixing part 51 is positioned in the through groove 31, the metal piece 2 and the shielding piece 3 are respectively coated on the two sides of the insulating piece 12 in the second direction, the shielding effect of the waterproof electric connector 100 is good, and because the through groove 31 and the accommodating cavity 121 are mutually communicated, one-time injection molding can be realized, the manufacturing process is simplified, and the insulating shell 5, the insulating piece 12, the metal piece 2 and the shielding piece 3 can be stably fixed.

10. The insulating member 12 includes at least one protruding rib 123, the protruding rib 123 is located in the receiving cavity 121, in the second direction, the protruding rib 123 is closer to the metal member 2 than the protruding strip 127, and a projection of the protruding rib 123 does not overlap with a projection of the protruding strip 127, when the fixing portion 51 is located in the receiving cavity 121, the protruding rib 123 and the protruding strip 127 can block the fixing portion 51 at different positions, so that damage to the fixing portion 51 due to excessive force applied thereto because the blocking position is single is avoided.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. A waterproof electrical connector, comprising:

the conductive base comprises at least one row of terminals and an insulating part for coating the row of terminals, the insulating part comprises an accommodating cavity and two buckling parts which are arranged at intervals in a first direction, the accommodating cavity penetrates through the insulating part in a second direction, and the second direction is perpendicular to the first direction;

the metal piece is coated on the conductive base body and comprises two clamping parts which are arranged at intervals in the first direction, one clamping part is correspondingly matched with one buckling part for buckling so as to form a buckling structure, and the accommodating cavity is positioned between the two buckling structures in the first direction;

the insulating shell covers the metal piece and comprises a fixing part, and the fixing part is positioned in the accommodating cavity.

2. The waterproof electrical connector of claim 1, wherein: the insulating part comprises two accommodating holes which are arranged in the first direction at intervals, the accommodating holes are formed in a concave mode from the insulating part to the direction far away from the metal part in the second direction, the two accommodating holes and the two clamping parts are arranged in a one-to-one correspondence mode, the accommodating holes are communicated with the accommodating cavities, and part of the insulating shell is located in the accommodating holes.

3. The waterproof electrical connector of claim 2, wherein: the insulating part is provided with two bosses protruding into the accommodating cavity, the two bosses correspond to the two accommodating holes one by one, the bosses are positioned on one sides of the accommodating holes in a third direction, the third direction is perpendicular to the first direction and the second direction, the fixing part covers the bosses, and the bosses stop the fixing part from displacing in the direction away from the metal part.

4. The waterproof electrical connector of claim 1, wherein: the insulating part further comprises a connecting part, two ends of the connecting part in the first direction are respectively and integrally connected with the two buckling parts, a step surface is formed between each buckling part and the connecting part, and the step surfaces block the displacement of the fixing part in the first direction.

5. The waterproof electrical connector of claim 1, wherein: each buckling part is formed by protruding the insulating part, each clamping part comprises a limiting groove, the limiting grooves are communicated with the accommodating cavities in the first direction, and the buckling parts are located in the limiting grooves.

6. The waterproof electrical connector of claim 1, wherein: the insulating part comprises at least one convex rib, the convex rib is positioned in the accommodating cavity, and in the first direction, at least part of projection of the convex rib is positioned in projection of the clamping part.

7. The waterproof electrical connector of claim 1, wherein: the waterproof electric connector also comprises a shielding piece, the shielding piece covers the insulating piece, a through groove and two limiting parts are arranged at the position of the shielding piece corresponding to the accommodating cavity, and the two limiting parts are arranged at intervals in the first direction and respectively correspondingly positioned at two sides of the through groove; the insulating piece comprises at least one raised strip arranged in the accommodating cavity, at least part of projection of the raised strip is positioned in projection of the limiting part in the first direction, and the insulating shell is coated outside the through groove and the raised strip.

8. The waterproof electrical connector of claim 7, wherein: the terminal comprises an exposed part positioned in the accommodating cavity, the exposed part is exposed in the through groove when viewed in the second direction, and the fixing part covers the exposed part.

9. The waterproof electrical connector of claim 7, wherein: the metal piece and the shielding piece are respectively coated on two sides of the insulating piece in the second direction, the accommodating cavity is communicated with the through groove, and the fixing part is located in the through groove.

10. The waterproof electrical connector of claim 7, wherein: the insulating part comprises at least one convex rib, the convex rib is located in the accommodating cavity, the convex rib is closer to the metal part than the convex strip in the second direction, and the projection of the convex rib is not overlapped with the projection of the convex strip.