CN217641944U

CN217641944U - Electric connector

Info

Publication number: CN217641944U
Application number: CN202221123895.4U
Authority: CN
Inventors: 叶明明; 徐红强; 许立军
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-21
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses an electric connector, which is provided with an annular waterproof adhesive to ensure the external waterproof effect of the connector; waterproof glue is dispensed after the terminal is assembled, and the internal waterproof effect of the connector is ensured. The utility model comprises a base, a shell is sleeved on the base; bending parts extending towards the bottom end of the base are arranged on two sides of the shell, and fixing pieces extending outwards are arranged at one ends of the bending parts far away from the shell; the base is internally provided with a terminal assembly and a stop piece, the bottom surface of the base is provided with an installation groove, the terminal assembly is fixedly arranged on the stop piece, and the stop piece is clamped in the installation groove of the base; the slot that matches with the portion of bending is seted up to the both sides of base, and the casing both sides are equipped with the portion of bending of outside lateral bending, and the portion of bending inlays respectively to be blocked in the slot that corresponds, and the portion of bending lateral wall is contradicted with the inner wall of slot and is set up. The utility model discloses outer waterproof circle, the shielding shell adds GND spacer an organic whole, and the terminal is the shaping earlier in the stop part, conveniently assembles the terminal and makes the waterproof glue adhere to.

Description

Electric connector

Technical Field

The utility model relates to a connector technical field especially relates to a hybrid connector with waterproof function and shielding function.

Background

Along with the trend of light and miniaturized development of electronic products, the requirements on product structures are increased, the limitation of the existing frame needs to be broken through, and the requirements on product function diversification are continuously met. Hybrid connector (power signal hybrid connector) is the indispensable components and parts of communication backplate system, can simultaneous transmission power and signal, generally comprises two parts, power module and signal module, the power module part mainly plays and connects and breaks off power supply system, signal module mainly plays the connection and the disconnection to system signal transmission, conventional hybrid connector does not have waterproof function, does not have shielding function, establishes the independent ground connection stationary blade in addition, its security, the reliability remains to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model aims to provide an electric connector, which is provided with a surrounding LIM waterproof glue (an outer waterproof ring) to ensure the external waterproof effect of the connector; waterproof glue is dispensed after the IM terminal is assembled, so that the internal waterproof effect of the connector is ensured; EMI Shell is integrative with ground connection stationary blade structure, realizes connector shielding function and ground connection welding function.

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

an electric connector comprises a base (shielding shell), wherein a shell is sleeved on the base; bending parts extending towards the bottom end of the base are arranged on two sides of the shell, and fixing pieces (grounding pins) extending outwards are arranged at one ends of the bending parts far away from the shell;

the base is internally provided with a terminal assembly and a stop piece, the bottom surface of the base is provided with a mounting groove, the terminal assembly is fixedly arranged on the stop piece, and the stop piece is clamped in the mounting groove of the base.

Further, in some embodiments, slots matched with the bending portions are formed in two sides of the base, the bending portions bent outwards are formed in two sides of the shell, the bending portions are respectively embedded and clamped in the corresponding slots, and the side walls of the bending portions are in abutting contact with the inner walls of the slots;

the lateral wall of the bending part is provided with a hanging tooth which is abutted against the inner wall of the slot.

Further, in some embodiments, an inward limiting bump is arranged at the bottom of the slot, a limiting notch matched with the limiting bump is formed at the bottom of the bending part, the limiting notch is arranged on the limiting bump in an abutting mode, and the outward fixing piece (grounding pin) bent again at the bottom end of the bending part extends outwards out of the slot;

the bending part is embedded into the slot to form a contact structure.

Further, in some embodiments, the top end of the base is provided with a first insertion port and a second insertion port, the first insertion port is higher than the second insertion port, both side ends of the base are provided with guard plates, and the housing is arranged on the outer side walls of the guard plates.

Further, in some embodiments, the mounting slot includes a first mounting slot, the terminal assembly includes a first terminal assembly, the stop includes a first stop, and the first terminal assembly is fixedly disposed (injection molded) on the first stop;

the bottom end of the base is provided with a first mounting groove communicated with the first inserting port, the first terminal assembly and the first stop piece are arranged in the first mounting groove, and the first terminal assembly extends towards the first inserting port;

the first stop piece is clamped in the first mounting groove of the base, the first stop piece is closely adjacent to the inner wall of the first mounting groove, and the first terminal component (such as a power terminal) extends outside the base.

Further, in some embodiments, the surface of the first stop member, which is far away from the first mounting groove, is covered (coated) with the first waterproof glue.

Further, in some embodiments, the mounting slot includes a second mounting slot, the terminal assembly includes a second terminal assembly, the stop includes a second stop, and the second terminal assembly is fixedly disposed (injection molded)

A second stop member;

the bottom end of the base is provided with a second mounting groove communicated with the second jack, the second terminal assembly and the second stop piece are arranged in the second mounting groove, and the second terminal assembly extends towards the second jack;

the second stop piece is clamped in the second mounting groove of the base, the second stop piece is arranged close to the inner wall of the second mounting groove, and the second terminal assembly extends to the outer side of the base.

Further, in some embodiments, the surface of the second stopper facing outward away from the second mounting groove is covered (coated) with a second waterproof glue.

Further, in some embodiments, a third waterproof glue is arranged on the base in a surrounding manner.

Further, in some embodiments, a second step is arranged at the bottom end of the base, the second step extends towards the first insertion port and the second insertion port, and a first step is arranged on the outer side of the guard plate;

the casing is closely adjacent to and sets up on the second step, is equipped with the third glue that encircles on the first step.

The utility model is applied to a power signal hybrid connector, supports hot plug and open pins, and ensures the external waterproof effect of the connector by the surrounding LIM (layered injection molding) waterproof adhesive; waterproof glue is dispensed after IM (metal terminal embedded rubber coating) terminals are assembled, and the waterproof function of the connector is realized; the EMI Shell (electromagnetic interference shielding case) is integrated with the ground stator structure.

The utility model discloses an outer waterproof circle LIM (encircle the waterproof glue), the shield shell adds GND spacer an organic whole, and the terminal moves (injection moulding) shaping earlier in the stop part, helps conveniently assembling the terminal and packs into the base and make waterproof glue adhere to.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a bottom view of the base portion of an embodiment of the present invention;

FIG. 4 is a schematic view of the assembly of components of an embodiment of the present invention;

fig. 5 is a schematic view of the assembly of the embodiment of the present invention;

fig. 6 is an enlarged schematic view of a housing portion according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of an embodiment of the present invention;

FIG. 8 is a schematic structural view of a base portion according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of a base portion of an embodiment of the present invention;

fig. 10 is a schematic view of a slot portion according to an embodiment of the present invention.

Description of the symbols in the figures:

the base 11, first interface 12, second interface 13, backplate 14, first step 15, second step 16, slot 17, first mounting groove 18, second mounting groove 19, first terminal subassembly 21, second terminal subassembly 22, first stop part 23, first waterproof glue 24, second stop part 25, second waterproof glue 26, spacing lug 28, casing 31, the portion 32 of bending, stationary blade 33, spacing notch 34, the latch 35, third waterproof glue 36.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to the drawings, the utility model discloses a base 11, base 11 top is equipped with first interface 12 and second interface 13, and first interface 12 is higher than second interface 13, and the one end that second interface 13 kept away from first interface 12 is equipped with backplate 14, and backplate 14 sets up on base 11, and backplate 14 flushes with first interface 12 terminal surface, as the cooperation location of grafting port.

The base 11 is sleeved with a housing 31 (shielding shell), two sides of the housing 31 are provided with bending portions 32 (forward bending legs) which are bent outwards, the bending portions 32 of the housing 31 extend towards the bottom end of the base 11, and one end, far away from the housing 31, of the bending portions 32 is provided with a fixing piece 33 (grounding) which is bent outwards.

Further, in one embodiment, the base 11 has slots 17 formed on both sides thereof for matching with the bending portions 32, and the bending portions 32 are embedded in the slots 17. Referring to fig. 10, the bent portion 32 is inserted into the slot 17 to form a contact structure, two sides of the bent portion 32 are disposed adjacent to the inner wall of the slot 17, two sides of the bent portion 32 are disposed with hanging teeth 35 larger than the transverse width of the bent portion, the hanging teeth 35 of the bent portion 32 form a retaining structure in the slot 17, and the connection strength between the housing 31 and the base 11 is strengthened.

Further, in an embodiment, an inward limiting bump 28 is disposed at the bottom of the slot 17, a limiting notch 34 matching with the limiting bump 28 is disposed at the bottom of the bending portion 32, the limiting notch 34 is disposed on the limiting bump 28 in an abutting manner, and the outward fixing piece 33 is bent again at the bottom end of the bending portion 32 and extends outward out of the slot 17.

A second step 16 is arranged on one side of the base 11 facing the first insertion port 12 and the second insertion port 13, a first step 15 is arranged on one side of the second step 16 extending to the first insertion port 12 and the second insertion port 13, and the bottom end (bottom surface) of the shell 31 is closely arranged on the second step 16; optionally, the top surface of the housing 31 is flush with the step surface of the first step 15.

A third waterproof glue 36 is further arranged on the base 11, and the third waterproof glue 36 surrounds the first step 15; optionally, the third waterproof glue 36 covers the step surface of the first step 15; in another embodiment, the third glue 36 covers the top surface or the inner wall of the housing 31, so that the third glue 36, the housing 31 and the step surface of the first step 15 are in contact with each other.

Further, in an embodiment, the bottom surface of the base 11 is provided with a first mounting groove 18 symmetrical to the first socket 12, the first terminal assembly 21 is fixedly disposed on a (injection molded) first stop member 23, the first stop member 23 is clamped in the first mounting groove 18 of the base 11, and the first stop member 23 is disposed adjacent to an inner wall of the first mounting groove 18.

The first terminal assembly 21 (such as a power terminal) extends outside the base 11, one end of the first terminal assembly 21, which is far away from the first stop piece 23, is arranged in the first socket 12, and one surface of the first stop piece 23, which is far away from the first mounting groove 18, is provided with a first waterproof glue 24 for covering (cladding); in the present embodiment, the first terminal assembly 21 may be a power terminal.

The bottom surface of the base 11 is provided with a second mounting groove 19 symmetrical to the second socket 13, the second terminal assembly 22 is fixedly arranged on a second stop member 25 (formed by injection molding), the second stop member 25 is clamped in the second mounting groove 19 of the base 11, the second stop member 25 is arranged close to the inner wall of the second mounting groove 19, and the second terminal assembly 22 extends outside the base 11.

Further, in one embodiment, one end of the second terminal assembly 22 (e.g., signal terminal) far away from the second stop member 25 is disposed in the second insertion opening 13, and a surface of the second stop member 25 far away from the second mounting groove 19 is disposed with a second waterproof adhesive 26 for covering (covering); in the present embodiment, the second terminal assembly 22 may be a signal terminal.

The assembly and manufacturing process of the connector is as follows (see fig. 4 and 5):

s1, injection molding a second stop piece 25 on a second terminal assembly 22 to enable the second terminal assembly 22 to be fixed on the second stop piece 25 to form a semi-finished product;

s2, injection molding the first stop piece 23 on the first terminal assembly 21 to enable the first terminal assembly 21 to be fixed on the first stop piece 23 to form a semi-finished product;

s3, the shell 31 (shielding shell) is sleeved on the second step 16 of the base 11, and the bending part 32 (forward bending pin) is embedded and clamped in the slot 17;

s4, on the basis of the second interface 13, pouring third waterproof glue 36 on the first step 15 of the base 11 in a surrounding mode to obtain a finished product;

the semi-finished products of the S1, the S2 and the S4 are not in sequence;

s5, inserting the semi-finished product of S1 and the semi-finished product of S2 into the first inserting port 12 and the second inserting port 13 of the base 11 in the semi-finished product S4 respectively, embedding and clamping the second stop piece 25 in S1 into the second installing groove 19, and embedding and clamping the first stop piece 23 in S2 into the first installing groove 18;

and S6, dispensing a first waterproof adhesive 24 on the outward side of the first stop piece 23 in the first mounting groove 18 (encapsulating), and dispensing a second waterproof adhesive 26 on the outward side of the second stop piece 25 in the second mounting groove 19 (encapsulating) to obtain a finished product.

The utility model is used for a power and signal hybrid connector, the power and signal hybrid connector integrates the PCIe performance into a one-piece card edge connector, the utility model discloses the structural integration of casing 31 shielding Shell (EMI Shell) and ground fixed piece 33 (shielding Shell + GND spacer is an organic whole); assembling the terminal after the terminal is molded on the stop piece (plastic part); waterproof glue (rubber coating) is dispensed after the I/M terminal is assembled, and the internal waterproof effect of the connector is ensured.

The foregoing detailed description includes references to the accompanying drawings, which form a part hereof. By way of illustration, the drawings show specific embodiments in which the invention can be practiced. These embodiments are also referred to herein as "examples". These examples may include other elements in addition to those shown and described. The present disclosure also contemplates examples using any combination or permutation of the elements shown or described, either with respect to a particular example (or one or more aspects thereof) or with respect to other examples (or one or more aspects thereof) shown or described herein.

Claims

1. An electrical connector, comprising: the device comprises a base (11), wherein a shell (31) is sleeved on the base (11); the novel LED lamp is characterized in that bent parts (32) extending towards the bottom end of the base (11) are arranged on two sides of the shell (31), and one end, far away from the shell (31), of each bent part (32) is provided with a fixing sheet (33) extending outwards;

the base is characterized in that a terminal assembly and a stop piece are arranged in the base (11), a mounting groove is formed in the bottom surface of the base (11), the terminal assembly is fixedly arranged on the stop piece, and the stop piece is clamped in the mounting groove of the base (11).

2. The electrical connector according to claim 1, wherein slots (17) matched with the bending portions (32) are formed in two sides of the base (11), the bending portions (32) bent outwards are formed in two sides of the shell (31), the bending portions (32) are respectively embedded and clamped in the corresponding slots (17), and side walls of the bending portions (32) are abutted against inner walls of the slots (17);

the side wall of the bending part (32) is provided with hanging teeth (35), and the hanging teeth (35) are abutted against the inner wall of the slot (17).

3. The electrical connector according to claim 2, wherein an inward limiting bump (28) is arranged at the bottom of the slot (17), a limiting notch (34) matched with the limiting bump (28) is arranged at the bottom of the bending portion (32), the limiting notch (34) is abutted against the limiting bump (28), and the outward fixing piece (33) bent at the bottom end of the bending portion (32) is extended out of the slot (17);

the bending part (32) is embedded and clamped into the slot (17) to form a butting structure.

4. An electrical connector according to claim 1, wherein a first insertion port (12) and a second insertion port (13) are provided at a top end of the base (11), the first insertion port (12) is higher than the second insertion port (13), a cover plate (14) is provided at two side ends of the base (11), and the housing (31) is disposed on an outer side wall of the cover plate (14).

5. An electrical connector according to claim 4, characterized in that the mounting slot comprises a first mounting slot (18), the terminal assembly comprises a first terminal assembly (21), the stop comprises a first stop (23), the first terminal assembly (21) is fixedly arranged on the first stop (23);

the bottom end of the base (11) is provided with the first mounting groove (18) communicated with the first plug interface (12), the first terminal assembly (21) and the first stop piece (23) are arranged in the first mounting groove (18), and the first terminal assembly (21) extends towards the first plug interface (12);

the first stop piece (23) is clamped in the first mounting groove (18) of the base (11), the first stop piece (23) is arranged close to the inner wall of the first mounting groove (18), and the first terminal assembly (21) extends to the outer side of the base (11).

6. An electrical connector as claimed in claim 5, wherein a side of the first stop member (23) facing outwardly away from the first mounting groove (18) is covered with a first waterproof glue (24).

7. An electrical connector according to claim 4, characterized in that the mounting slot comprises a second mounting slot (19), the terminal assembly comprises a second terminal assembly (22), the stop comprises a second stop (25), the second terminal assembly (22) is fixedly arranged on the second stop (25);

the bottom end of the base (11) is provided with a second mounting groove (19) communicated with the second inserting port (13), the second terminal assembly (22) and the second stop piece (25) are arranged in the second mounting groove (19), and the second terminal assembly (22) extends towards the second inserting port (13);

the second stop piece (25) is clamped in the second mounting groove (19) of the base (11), the second stop piece (25) is arranged close to the inner wall of the second mounting groove (19), and the second terminal assembly (22) extends to the outer side of the base (11).

8. An electrical connector as claimed in claim 7, wherein a side of said second stop member (25) facing outwardly away from said second mounting groove (19) is covered with a second waterproof glue (26).

9. An electrical connector as claimed in claim 1, characterized in that the base (11) is provided with a third moisture-proof glue (36) which covers around.

10. An electrical connector according to claim 4, wherein the bottom end of the base (11) is provided with a second step (16), the second step (16) extends towards the first insertion port (12) and the second insertion port (13), and the outer side of the protective plate (14) is provided with a first step (15);

the shell (31) is arranged on the second step (16) in a close proximity mode, and a third surrounding waterproof adhesive (36) is arranged on the first step (15).