CN214280287U - Electric connector - Google Patents

Abstract

The utility model belongs to the technical field of connectors and discloses an electric connector, which comprises a first terminal module, a clapboard, a second terminal module and an insulating part which are compositely arranged in a shielding shell, wherein the first terminal module and the second terminal module respectively comprise a conductive terminal, a tongue plate and a base which are oppositely arranged at two ends of the conductive terminal, the insulating part comprises a first insulator and a second insulator which are integrally formed, the first insulator is filled in the gap between the clapboard and the first tongue plate and the second tongue plate, the second insulator is filled in the gap between the first insulator and the first base and the gap between the second insulator and the second base, and wraps the part of the first conductive terminal between the first tongue plate and the first base and the part of the second conductive terminal between the second tongue plate and the second base, under the condition of not dispensing, water is prevented from leaking into the gap between the tongue plate and the partition plate and damaging the electric connector. Not only improves the working efficiency, but also reduces the production cost.

Description

Electric connector

Technical Field

The utility model relates to a connector technical field especially relates to an electric connector suitable for positive and negative electricity is inserted.

Background

The bidirectional plugging electric connector is convenient to plug, so that the bidirectional plugging electric connector is widely applied to electronic products. In the process of daily use of electronic products, water is inevitably sprayed on the electronic products, in order to prevent the damage of the electric connector caused by water leakage, in the manufacturing process of the existing electric connector, in order to facilitate the manufacture of the electric connector, two sides of the front section of the tongue plate are respectively provided with a buckling groove, and two side edges of the plate body are exposed in the buckling grooves, and then the glue dispensing operation is carried out on two sides of the tongue plate to realize the sealing and water proofing of the electric connector.

However, the dispensing operation requires a dedicated dispensing device, and in the dispensing process, since the gaps between the retaining grooves on the two sides of the plate body are small, the sealing portion which is horizontally injected in addition is not smooth to flow, so that the space which needs to be waterproof cannot be accurately sealed, water leaks into the electric connector from the gap between the tongue plate and the partition plate, the electric connector is damaged, the production cost is high, and the operation efficiency is low.

Therefore, it is desirable to provide an electrical connector capable of waterproofing between the tongue plate and the partition plate without dispensing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector to solve because of the sealed portion diversion horizontal flow that the point glued and formed not smooth and cause water can leak into electric connector from the clearance between hyoplastron and the baffle, thereby damage electric connector's problem.

To achieve the purpose, the utility model adopts the following technical proposal:

an electric connector comprises a first terminal module, a partition plate and a second terminal module which are compositely arranged in a shielding shell, wherein the first terminal module comprises a first conductive terminal, a first tongue plate and a first base which are oppositely arranged at two ends of the first conductive terminal, the second terminal module comprises a second conductive terminal, a second tongue plate and a second base which are oppositely arranged at two ends of the second conductive terminal, the electric connector further comprises an insulating part, and the insulating part comprises:

the first insulator is filled in a gap between the partition plate and the first tongue plate and a gap between the partition plate and the second tongue plate; and

the second insulator is filled in a gap between the first insulator and the first base and a gap between the second insulator and the second base, and wraps a part of the first conductive terminal between the first tongue plate and the first base and a part of the second conductive terminal between the second tongue plate and the second base;

the first insulator and the second insulator are integrally formed.

Preferably, the electrical connector further includes a sealing portion provided on an outer periphery of the second insulator, the sealing portion contacting the first insulator to form a closed first sealing surface and contacting the shield case to form a closed second sealing surface.

Preferably, the sealing portion includes:

an annular groove formed by the first insulator, the second insulator, the first base and the second base; and

a sealing material disposed within the annular groove.

Preferably, the sealing member is a sealing ring having elasticity, and the sealing ring is pressed and confined in the annular groove by the shield case so that the sealing ring contacts with the first insulator to form a closed first sealing surface and contacts with the shield case to form a closed second sealing surface.

Preferably, a first through hole is formed in a portion of the partition plate located outside the first tongue plate and the second tongue plate, and the first through hole is filled with the first insulator.

Preferably, the first through hole is at least arranged at one end of the first tongue plate departing from the first base.

Preferably, grooves are formed in two side faces of the first tongue plate and the second tongue plate, and the grooves are filled with the first insulator.

Preferably, the two pairs of grooves are at least respectively arranged at one end of the first tongue plate close to the first base and one end of the second tongue plate close to the second base.

Preferably, a second through hole is formed in a portion of the partition plate located between the first tongue plate and the first base, and the second through hole is filled with the second insulator.

Preferably, the insulating portion is formed by injection molding after three layers of the first terminal module, the spacer, and the second terminal module are stacked and assembled.

The utility model has the advantages that: the gap between the partition plate and the first tongue plate and the gap between the partition plate and the second tongue plate, the gap between the first insulator and the first base and the gap between the second insulator and the second base are filled through the integrally formed first insulator and the second insulator, and the part of the first conductive terminal between the first tongue plate and the first base and the part of the second conductive terminal between the second tongue plate and the second base are wrapped, so that water is prevented from leaking into the gap between the tongue plate and the partition plate and damaging the electric connector under the condition that dispensing operation is not carried out. Not only improves the operation efficiency, but also greatly reduces the production cost.

Drawings

Fig. 1 is an exploded view of an electrical connector provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an electrical connector with a shielding shell removed according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the electrical connector of fig. 2 with the insulating portion and the sealing portion removed;

FIG. 4 is a schematic view of the structure of the insulating part of FIG. 1;

FIG. 5 is a schematic structural diagram of the first terminal module shown in FIG. 1;

fig. 6 is a schematic structural view of the back surface of the first terminal module in fig. 5;

FIG. 7 is a schematic structural diagram of the second terminal module shown in FIG. 1;

FIG. 8 is a schematic diagram of the structure of the back side of the second terminal module shown in FIG. 7;

fig. 9 is a schematic view of the structure of the separator of fig. 1.

In the figure:

1. a shielding shell;

2. a first terminal module; 21. a first conductive terminal; 22. a first tongue plate; 221. a first positioning pin; 222. a first groove; 223. a first positioning hole; 224. a card slot; 23. a first base; 231. a third positioning pin; 232. a third groove;

3. a second terminal module; 31. a second conductive terminal; 32. a second tongue plate; 321. a second positioning hole; 322. a second groove; 323. a second positioning pin; 324. a hook is clamped; 33. a second base; 331. a third positioning hole; 332. a fourth groove;

4. a partition plate; 41. a first through hole; 42. a fourth positioning hole; 43. a fifth positioning hole; 44. a fifth groove; 45. a sixth positioning hole; 46. a second through hole;

5. an insulating section; 51. a first insulator; 52. a second insulator;

61. an annular groove; 62. a sealing material;

7. an auxiliary positioning member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides an electric connector suitable for positive and negative two-way plug-in, the electric connector that can two-way plug-in usually includes the compound first terminal module 2 that sets up in shielding casing 1, baffle 4, second terminal module 3 and insulating part 5, first terminal module 2 includes a set of first conductive terminal 21, first base 23 and the first hyoplastron 22 that extends and stretches out forward from first base 23, a set of first conductive terminal 21 imbeds in first base 23 and first hyoplastron 22, and can expose in the upper surface of first hyoplastron 22, second terminal module 3 includes a set of second conductive terminal 31, second base 33 and the second hyoplastron 32 that extends and stretches out forward from second base 33, a set of second conductive terminal 31 imbeds in second base 33 and second hyoplastron 32, and can expose in the lower surface of second hyoplastron 32, and a set of first conductive terminal 21 and a set of second conductive terminal 31 roughly are 180 degrees symmetries, the first tongue plate 22 and the second tongue plate 32 are separated by the partition plate 4, and the insulating portion 5 is wrapped around the first terminal module 2, the partition plate 4, and the second terminal module 3. While filling the gap between the partition plate 4 and the first and second terminal modules 2 and 3, a set of first conductive terminals 21 exposed on the upper surface of the first tongue plate 22 and a set of second conductive terminals 31 exposed on the lower surface of the second tongue plate 32 are exposed.

The first base 23 and the second base 33 together constitute a base of the electrical connector; the first tongue plate 22, the second tongue plate 32, the partition plate 4 located between the first tongue plate 22 and the second tongue plate 32, the insulating part 5, the group of first conductive terminals 21 exposed on the upper surface of the first tongue plate 22 and the group of second conductive terminals 31 exposed on the lower surface of the second tongue plate 32 jointly form the tongue plate of the electrical connector, so that the forward and reverse bidirectional plugging of the electrical connector is realized.

In order to facilitate the manufacture of the electrical connector, a plurality of through holes are arranged on the first tongue plate 22 and the second tongue plate 32, and retaining grooves are respectively arranged on two sides of the front section of the insulating part 5, and two side edges of the partition plate 4 are exposed out of the retaining grooves, and then glue dispensing operation is performed on two sides of the insulating part 5 to realize the sealing and water proofing of the electrical connector, however, the gap of the retaining grooves is small, and the injected sealant is in a horizontal posture to cause unsmooth flow, so that the gap which needs water proofing cannot be accurately sealed, water can flow into the first base 23 and the second base 33 from the gap between the partition plate 4 and the insulating part 5 along the gap between the insulating part 5 and the first tongue plate 22 and the second tongue plate 32 respectively, the electrical connector is damaged, a special glue dispensing device is needed, and the operation efficiency is low.

In order to solve the above problem, as shown in fig. 1 to 3, in the present embodiment, the electrical connector includes a first terminal module 2, a partition plate 4 and a second terminal module 3 that are compositely disposed in a shielding housing 1, the first terminal module 2 includes a first conductive terminal 21, a first tongue plate 22 and a first base 23 that are disposed at two ends of the first conductive terminal 21, the second terminal module 3 includes a second conductive terminal 31, a second tongue plate 32 and a second base 33 that are disposed at two ends of the second conductive terminal 31, the electrical connector further includes an insulating portion 5, the insulating portion 5 includes a first insulator 51 and a second insulator 52, and the first insulator 51 is filled in a gap between the partition plate 4 and the first tongue plate 22 and the second tongue plate 32. The second insulator 52 is filled in the gap between the first insulator 51 and the first base 23 and the gap between the second insulator 52 and the second base 33, and covers the portion of the first conductive terminal 21 between the first tongue plate 22 and the first base 23 and the portion of the second conductive terminal 31 between the second tongue plate 32 and the second base 33, and the first insulator 51 and the second insulator 52 are integrally formed. Therefore, water cannot flow into the first base 23 and the second base 33 from the gap between the insulating part 5 and the first tongue plate 22 and the second tongue plate 32 without dispensing, so that the production cost is saved, and the production efficiency is improved.

In order to prevent the insulating portion 5 from being waterproofed between the first base 23 and the second base 33 without dispensing, as shown in fig. 2 to 4, in the present embodiment, the electrical connector further includes a sealing portion disposed on an outer periphery of the second insulator 52, and the sealing portion contacts with the first insulator 51 to form a closed first sealing surface, so that water cannot leak into the first base 23 and the second base 33 from between the first insulator 51 and the second insulator 52. The sealing part contacts with the shielding shell 1 to form a closed second sealing surface, so that water cannot leak into the first base 23 and the second base 33 from the space between the shielding shell 1 and the insulating part 5, and therefore in the manufacturing process of the electric connector, glue dispensing equipment and a glue dispensing process are not needed, production cost is greatly reduced, and production efficiency is improved.

Specifically, in the present embodiment, the sealing portion includes the annular groove 61 and the sealing material 62, the annular groove 61 is formed by surrounding the first insulator 51, the second insulator 52, the first base 23, and the second base 33, and the sealing material 62 is disposed in the annular groove 61.

By means of the above structure, preferably, the sealing material 62 is an elastic sealing ring, and the sealing ring is pressed and limited in the annular groove 61 by the shielding shell 1, so that the sealing ring contacts with the first insulator 51 to form a closed first sealing surface, and contacts with the shielding shell 1 to form a closed second sealing surface, thereby the electric connector can reach the IPX 6-level waterproof grade without dispensing operation, and the electric connector can be applied to electric appliances in poor use environments.

As shown in fig. 3 to 9, further, in order to enable the first insulator 51 to firmly wrap the first tongue plate 22 and the second tongue plate 32, a first through hole 41 is formed in a portion of the partition plate 4 located outside the first tongue plate 22 and the second tongue plate 32, and the first insulator 51 is filled in the first through hole 41, so that the first insulator 51 can firmly wrap the first tongue plate 22 and the second tongue plate 32, and the structure of the electrical connector is more stable.

Preferably, the first through hole 41 is at least disposed at an end of the tongue plate away from the base, so that the structure of the tongue plate of the electrical connector is more stable, and the plugging service life of the electrical connector can be prolonged.

Further, in order to improve the waterproof capability between the partition plate 4 and the first tongue plate 22 and the second tongue plate 32, the first grooves 222 are formed on two side surfaces of the first tongue plate 22, the second grooves 322 are formed on two side surfaces of the second tongue plate 32, the first insulator 51 is filled in the pair of first grooves 222 and the pair of second grooves 322 and wraps the partition plate 4 between the pair of first grooves 222 and the pair of second grooves 322, and therefore the waterproof capability between the partition plate 4 and the first tongue plate 22 and the second tongue plate 32 is improved.

Preferably, a pair of first grooves 222 is at least respectively disposed on two sides of the end of the first tongue plate 22 close to the first base 23, and a pair of second grooves 322 is at least respectively disposed on two sides of the end of the second tongue plate 32 close to the second base 33, so as to improve the waterproof capability between the tongue plates and the bases of the electrical connector.

Further, in order to enable the first terminal module 2 and the second terminal module 3 to be stably connected, the portion of the partition plate 4 between the tongue plate and the base is provided with a second through hole 46, and a second insulator 52 is filled in the second through hole 46, so that the partition plate 4, the first terminal module 2 and the second terminal module 3 can be stably covered, and the first terminal module 2 and the second terminal module 3 can be stably connected.

Further, in order to facilitate the production of the electrical connector, the insulation part 5 is injection molded after the first terminal module 2, the partition plate 4 and the second terminal module 3 are stacked and assembled in three layers.

Specifically, as shown in fig. 5 to 9, in the present embodiment, a first positioning pin 221 and a first positioning hole 223 are provided on a surface of the first tongue plate 22 facing the partition plate 4, and a locking groove 224 is provided on both side surfaces of an end of the first tongue plate 22 close to the first base 23. A second positioning hole 321 and a second positioning pin 323 are disposed on a surface of the second tongue plate 32 facing the partition plate 4, and two side surfaces of the second tongue plate 32 near one end of the second base 33 are disposed with hooks 324. The first base 23 is provided with a third positioning pin 231 towards the one side of the partition plate 4, the first base 23 is provided with a third groove 232 towards the one side of the partition plate 4, the second base 33 is provided with a third positioning hole 331 towards the one side of the partition plate 4, and the second base 33 is provided with a fourth groove 332 towards the one side of the partition plate 4. The partition plate 4 is provided with a fourth positioning hole 42, a fifth positioning hole 43, a fifth groove 44, and a sixth positioning hole 45.

When the first terminal module 2, the second terminal module 3 and the partition plate 4 are assembled, the first positioning pin 221 passes through the fourth positioning hole 42 and extends into the second positioning hole 321, the second positioning pin 323 passes through the fifth positioning hole 43 and extends into the first positioning hole 223 to position the first tongue plate 22 and the second tongue plate 32, the third positioning pin 231 passes through the sixth positioning hole 45 and extends into the third positioning hole 331 to position the first base 23 and the second base 33, and the hook 324 passes through the fifth groove 44 and is engaged with the engaging groove 224 to fix the first tongue plate 22 and the second tongue plate 32, so that the first terminal module 2 is engaged with the second terminal module 3.

Further, in order to facilitate the assembly of the electrical connector, the auxiliary positioning member 7 is sleeved on the first insulator 51 and wrapped on the tongue plate to assist in fixing the tongue plate, and a clamping portion is disposed on the shielding shell 1, and the clamping portion can extend into the third groove 232 and the fourth groove 332 to clamp the base, so as to facilitate the assembly of the electrical connector while stably fixing the first terminal module 2, the partition plate 4, the second terminal module 3 and the insulating portion 5.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an electric connector, includes first terminal module (2), baffle (4) and second terminal module (3) that the complex set up in shielding casing (1), its characterized in that, first terminal module (2) include first conductive terminal (21) and set up relatively in first hyoplastron (22) and first base (23) at first conductive terminal (21) both ends, second terminal module (3) include second conductive terminal (31) and set up relatively in second hyoplastron (32) and second base (33) at second conductive terminal (31) both ends, electric connector still includes insulating part (5), insulating part (5) include:

a first insulator (51) filled in a gap between the separator (4) and the first and second tongue plates (22, 32); and

a second insulator (52) which is filled in a gap between the first insulator (51) and the first base (23) and a gap between the second insulator (52) and the second base (33) and covers a part of the first conductive terminal (21) between the first tongue plate (22) and the first base (23) and a part of the second conductive terminal (31) between the second tongue plate (32) and the second base (33);

the first insulator (51) and the second insulator (52) are integrally molded.

2. An electrical connector according to claim 1, further comprising a sealing portion provided at an outer periphery of the second insulator (52), the sealing portion being in contact with the first insulator (51) to form a closed first sealing surface and in contact with the shield case (1) to form a closed second sealing surface.

3. The electrical connector of claim 2, wherein the sealing portion comprises:

an annular groove (61) formed by the first insulator (51), the second insulator (52), the first base (23), and the second base (33); and

a sealing material (62) disposed within the annular groove (61).

4. An electrical connector according to claim 3, wherein the sealing material (62) is a resilient sealing ring which is compressively confined within the annular groove (61) by the shield shell (1) such that the sealing ring contacts the first insulator (51) to form a closed first sealing surface and contacts the shield shell (1) to form a closed second sealing surface.

5. The electrical connector according to claim 1, characterized in that the portion of the partition (4) outside the first tongue plate (22) and the second tongue plate (32) is provided with a first through hole (41), and the first insulator (51) is filled in the first through hole (41).

6. Electrical connector according to claim 5, characterized in that the first through hole (41) is provided at least at an end of the first tongue plate (22) facing away from the first base (23).

7. The electrical connector according to claim 1, characterized in that both lateral surfaces of the first tongue plate (22) and the second tongue plate (32) are provided with recesses, the first insulator (51) being filled in the recesses.

8. Electrical connector according to claim 7, characterised in that two pairs of said recesses are provided at least at the end of the first flap (22) close to the first seat (23) and at the end of the second flap (32) close to the second seat (33), respectively.

9. The electrical connector according to claim 1, characterized in that a portion of the spacer (4) between the first tongue plate (22) and the first base (23) is provided with a second through hole (46), and the second insulator (52) is filled in the second through hole (46).

10. The electrical connector of claim 1, wherein the insulation portion (5) is injection molded after three layers of the first terminal module (2), the spacer (4) and the second terminal module (3) are stacked and assembled.

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