CN115864074A - Connector with locking and sealing functions - Google Patents

Abstract

The invention relates to a connector with a locking and sealing function, which comprises a first plug body and a second plug body, wherein the first plug body is provided with a first plug body shell; the second plug-in body is matched and assembled with the first plug-in body mutually, the second plug-in body has second plug-in body shells, the insertion end of the second plug-in body is fixed in the first plug-in body shells through the first buckle matching structure buckle; and, the connector is still including second buckle cooperation structure, and the end of inserting of second socket connector is fixed in first socket connector casing back rethread this second buckle cooperation structure buckle through first buckle cooperation structure buckle and is fixed in first socket connector casing to the completion is fixed to the secondary buckle of socket and socket, has strengthened buckle stability between them, has ensured the electric connection effect of connector.

Description

Connector with locking and sealing functions

Technical Field

The invention relates to the field of connectors, in particular to a connector with a locking and sealing function.

Background

A connector (or called an electrical connector) is a common device for a circuit, and functions to electrically connect two conductors in the same loop to realize current flow, so that the circuit can realize a predetermined function.

The existing connector mainly comprises a plug and a socket, wherein the plug is provided with a plug shell and a first buckling piece positioned in the plug shell, the socket is provided with a socket shell and a first buckling matching piece, the first buckling matching piece is positioned on the socket shell, when the inserting end of the socket is inserted into the plug (namely, opposite insertion), the first buckling matching piece on the socket is in buckling matching with the first buckling piece of the plug, so that the buckling fixation between the plug and the socket is realized, and the electric connection between an element in the plug and an element in the socket is further realized.

However, the existing connector structure has the following defects: the plug and the socket are usually fixed by a single buckle matching structure, so that the buckling effect between the plug and the socket is not firm, the plug and the socket are easy to loosen and fall off due to violent vibration, and the electric connection stability of the connector is not facilitated; in addition, the waterproof sealing structure between the plug and the socket only can prevent water on the end surface of the waterproof sealing ring, the side of the waterproof sealing ring cannot be waterproof.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a connector with a locking and sealing function in view of the above prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a connector having a lock seal function, comprising:

a first interposer having a first interposer housing;

the second plug-in body is matched and assembled with the first plug-in body, the second plug-in body is provided with a second plug-in body shell, and the insertion end of the second plug-in body is fixed in the first plug-in body shell in a buckling mode through a first buckling matching structure;

the plug-in connector is characterized by further comprising a second buckle matching structure, wherein the insertion end of the second plug-in connector is fixed in the first plug-in connector shell through the first buckle matching structure in a buckle mode and then fixed in the first plug-in connector shell through the second buckle matching structure in a buckle mode; one of the first plug-in body and the second plug-in body is a plug, and the other one is a socket.

In the connector with a lock seal function, the first snap-fit structure may include:

the first buckle piece is formed on the inner side of the first plug-in body shell;

and the first buckling matching piece is formed on the second plug-in body and is mutually buckled and matched with the first buckling piece.

Further, in the connector with a lock seal function, the second snap-fit structure includes:

a second buckle formed at the inner side of the first plug-in body shell,

and the second buckle matching piece is arranged on the second plug-in body, and the second buckle matching piece and the second buckle piece are mutually in buckle matching after the first plug-in body and the second plug-in body are fixed in a buckle mode through the first buckle matching structure.

In the connector with the locking and sealing functions, the second buckle piece is arranged on the first plug-in body in a back-and-forth sliding mode along the mutual plugging direction of the first plug-in body and the second plug-in body.

In a still further improvement, in the connector with a lock sealing function, the second locking member includes:

the second buckle part body is arranged on the first plug-in body in a reciprocating sliding manner along the mutual plug-in direction of the first plug-in body and the second plug-in body;

and the buckling part is formed at the front end of the second buckling piece body and is in buckling fit with the second buckling matching piece.

In the connector with the locking and sealing functions, a shifting part for a user to shift is formed on the second buckling piece body.

Further, in the connector with a lock sealing function, the second snap-fit member includes:

the bottom edge of the vertical part is arranged on the second plug-in body, and the vertical part is arranged perpendicular to the sliding direction of the second buckle piece;

and the bottom edge of the slope part is arranged on the second plug-in body, the top edge of the slope part is connected with the top edge of the vertical part, and an inclined surface is formed between the bottom edge and the top edge of the slope part.

In the connector with the locking sealing function, a slope surface is formed on the first snap fitting piece, and the slope surface is matched with the second snap fitting piece to slide through so as to be buckled with the second snap fitting piece.

The connector with the locking and sealing functions further comprises a waterproof sealing ring which is used for waterproof sealing of a gap between the first plug-in body and the second plug-in body after the first plug-in body is fixed through the second buckle matching structure buckle, and the waterproof sealing ring is arranged on the inner side of the shell of the first plug-in body.

Further, in the connector with a lock sealing function, the waterproof seal ring has:

the sealing ring body is sleeved on the inner side of the first plug-in body shell;

and the sealing ring extension part is formed on the sealing ring body and extends along the axial direction of the sealing ring body.

Compared with the prior art, the invention has the advantages that: according to the connector, on the basis that the existing plug and socket are fastened and fixed through a single fastening and matching structure, a second fastening and matching structure is additionally arranged, the plug and the socket are fastened and fixed in the first plug body shell through the first fastening and matching structure and then fastened and fixed in the first plug body shell through the second fastening and matching structure, so that secondary fastening and fixing of the socket and the socket are completed, the fastening stability of the socket and the socket is enhanced, and the electric connection effect of the connector is ensured; in addition, the waterproof sealing ring in the plug body is provided with the sealing ring body and the sealing ring extending portion, and the sealing ring extending portion is formed in the sealing ring body and extends along the axial direction of the sealing ring body, so that the end face of the sealing ring body can be prevented from being water-proof, the side edge of the sealing ring extending portion can be prevented from being water-proof, the double sealing effect of the waterproof sealing ring is achieved, and the electric connection effect of the connector is enhanced.

Drawings

Fig. 1 is a schematic view of a connector with a lock sealing function according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connector of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of a plug;

FIG. 4 is a schematic view of the plug of FIG. 3 from another perspective;

FIG. 5 is an exploded view of the plug;

FIG. 6 is a schematic structural view of a second fastener on the plug;

FIG. 7 is a schematic view of the second locking member shown in FIG. 6 from another viewing angle;

FIG. 8 is a schematic structural view of a waterproof seal ring;

FIG. 9 is a schematic view of the structure of the shield in the plug;

FIG. 10 is a cross-sectional view of the plug;

FIG. 11 is a schematic structural view of a socket;

FIG. 12 is a schematic view of the receptacle of FIG. 11 from another perspective;

FIG. 13 is an exploded view of the socket;

FIG. 14 is a cross-sectional view of the socket;

FIG. 15 is a cross-sectional view of the receptacle when just inserted into the plug;

FIG. 16 is an enlarged view of portion A of FIG. 15;

FIG. 17 is a cross-sectional view of the receptacle after it has been inserted into the plug and the first snap-fit has been completed;

FIG. 18 is an enlarged view of portion B of FIG. 17;

FIG. 19 is a cross-sectional view of the receptacle after it has been inserted into the plug and the second snap-fit is completed;

fig. 20 is an enlarged schematic view of a portion C in fig. 19.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The present embodiment provides a connector having a lock seal function. Specifically, referring to fig. 1, the connector with a locking sealing function of this embodiment includes a first plug body 1, a second plug body 2, a first snap-fit structure and a second snap-fit structure, where the first plug body 1 is a plug and the second plug body 2 is a socket;

the first plug-in body 1 is provided with a first plug-in body shell 10, a plug shielding piece 1a, a rubber core 1b, a pressing plate 1c, a shielding ring 1d, a jack 1e, a wire sealing body 1f and a tail cover 1g, wherein the pressing plate 1c is assembled at the front end of the first plug-in body shell 10, the tail cover assembly 1g is arranged at the rear end of the first plug-in body shell 10, the plug shielding piece 1a, the rubber core 1b, the shielding ring 1d, the jack 1e and the wire sealing body 1f are all positioned in a space formed after the pressing plate 1c, the first plug-in body shell 10 and the tail cover 1g are assembled with each other, and the plug shielding piece 1a is sleeved on the outer side of the rubber core 1 b; the inner side of the first plug-in body shell 10 is also provided with a waterproof sealing ring 13, and the first plug-in body 1 and the second plug-in body 21 are mutually matched and assembled together; wherein, waterproof sealing ring 13 does waterproof sealing to the clearance department of first plug-in body 1 and second plug-in body 2 after second buckle cooperation structure buckle is fixed.

The second plug-in body 2 is provided with a second plug-in body shell 20, a socket shielding cover 2b, a socket waterproof sealing ring 2c, a signal jack 2d and a contact pin 2e, and an insertion end 2a of the second plug-in body 2 is fixed in the first plug-in body shell 10 in a buckling mode through a first buckling matching structure; moreover, the insertion end 2a of the second plug-in body 2 is fixed in the first plug-in body shell 10 by the first snap-fit structure and then fixed in the first plug-in body shell 10 by the second snap-fit structure.

Specifically, the first snap-fit structure in this embodiment includes a first snap-fit member 11 and a first snap-fit member 21, the first snap-fit member 11 is formed inside the first socket housing 10, the first snap-fit member 21 is formed on the second socket 2, and the first snap-fit member 21 and the first snap-fit member 11 are snap-fitted to each other.

Specifically, the second snap-fit structure in this embodiment includes a second snap-fit element 12 and a second snap-fit element 22, the second snap-fit element 12 is formed inside the first socket housing 10, the second snap-fit element 22 is disposed on the second socket 2, and the second snap-fit element 22 and the second snap-fit element 12 are snap-fit with each other after the first snap-fit structure snaps the first socket 1 and the second socket 2. The second locking element 12 is disposed on the first socket 1 so as to be slidable back and forth along the mutual insertion direction of the first socket 1 and the second socket 2.

Referring to fig. 6 and 7, the second locking device 12 of this embodiment includes a second locking device body 121 and a locking portion 122, the second locking device body 121 is disposed on the first socket 1 in a back-and-forth sliding manner along the mutual plugging direction of the first socket 1 and the second socket 2, and a retraction stopper 1210 that defines a stroke of the second locking device body 121 when sliding back toward its original position is disposed at the bottom of the second locking device body 121, the locking portion 122 is formed at the front end of the second locking device body 121, the locking portion 122 is in a locking fit with the second locking mating member 22, a shifting portion 121a for a user to shift is formed on the second locking device body 121, and an anti-slip layer is disposed on the shifting portion 121 a. For example, a sliding groove 121b that is slidably fitted to the first socket body 1 may be formed in the bottom of the second latch body 121. The buckling portion 122 is formed with a vertical edge 122a as required, the vertical edge 122a has an anti-misoperation function, and when the plug is not inserted into the socket, the vertical edge 121a cannot be pushed forward, so that the buckling cannot be locked before the plug is inserted into the socket.

Referring to fig. 11 to 13, the second snap-fit component 22 of this embodiment includes a vertical portion 22b and a slope portion 22c, the bottom edge of the vertical portion 22b is disposed on the second socket 2, and the vertical portion 22b is disposed perpendicular to the sliding direction of the second snap-fit component 12, and the vertical portion 22 can cooperate with the vertical edge 122a of the snap-fit portion 122 to provide a certain blocking force to the snap-fit portion 122, so that the second snap-fit component 12 can be prevented from sliding towards the second socket 2 in the opposite direction due to misoperation. The bottom edge of the slope portion 22c is provided on the second socket body 2, the top edge of the slope portion 22c connects the top edge of the vertical portion 22b, and an inclined surface is formed between the bottom edge and the top edge of the slope portion 22 c. Also, a slope surface 21a is formed on the first snap-fit piece 21 to which the second snap-fit piece 22 is fitted to slide to be snapped with the second snap-in piece 12.

Specifically, referring to fig. 8, the waterproof gasket 13 has a gasket body 131 and a gasket extension portion 132, the gasket body 131 is sleeved on the inner side of the first connector housing 10, a plurality of small protrusions 132a are formed on the front end surface of the gasket extension portion 132 (i.e., the end surface opposite to the insertion end of the socket), and the gasket extension portion 132 is formed on the gasket body 131 and extends along the axial direction of the gasket body 131. As shown in fig. 10, the waterproof sealing ring 13 has an L-shaped cross section after being cut. The cross section of "L" type like this not only can ensure that waterproof sealing ring 13's terminal surface can be waterproof, but also can realize that the side direction of sealing washer body 131 plays water-proof effects equally to the dual water-proof effects to the connector has been realized based on this waterproof sealing ring structure.

The principle of the connector with the lock seal function in this embodiment will be described below with reference to fig. 15 to 20:

as shown in fig. 15 and 16, when the insertion end 2a of the second socket 2 (i.e. receptacle) is inserted into the socket housing 10 of the first socket 1, the first snap-fit element 21 on the second socket 2 snaps into the socket housing 10 and achieves a snap-fit with the first snap element 11, i.e. the current state achieves a first snap-fit fixation between the first socket 1 (i.e. plug) and the second socket 2 (i.e. receptacle); at this time, the insertion end 2a of the second socket body 2 also starts to move toward the inside of the first socket housing 10 along the direction in which the seal extension 132 of the waterproof seal 13 is formed; at this time, the second locking part 12 does not need to be slid, and the locking part 122 of the second locking part 12 does not move;

referring to fig. 17 and 18, when the toggle portion 121a Shi Jiabo is powered, the second latch body 121 of the second latch 12 slides toward the second socket 2 (i.e., the socket), and the latch portion 122 at the front end of the second latch body 121 slides along the slope surface 21a of the first snap-fit component 21 until the latch portion 122 finally slides over the slope surface 21a and achieves the snap-fit with the second snap-fit component 22, which is shown in fig. 19 and 20, and the second snap-fit fixation between the first socket 1 (i.e., the plug) and the second socket 2 (i.e., the socket) is completed; then, the insertion end 2a of the second socket 2 at this time is moved to a predetermined position along the direction in which the gasket extension 132 of the waterproof gasket 13 is formed. At this time, the gap between the insertion end 2a of the second plug-in body 2 and the first plug-in body 1 is already sealed by the sealing ring extension portion 132, and even if water exists, the water cannot enter the rubber core 1b of the first plug-in body shell 10 through the sealing ring extension portion 132; on the end surface perpendicular to the insertion end 2a of the second socket 2, water cannot enter the rubber core 1b of the first socket housing 10 through the packing main body 131 even if water is present.

Claims (10)

1. A connector having a lock seal function, comprising:

a first plug-in body (1) having a first plug-in body housing (10);

the second plug-in body (2) is matched and assembled with the first plug-in body (1) together, the second plug-in body (2) is provided with a second plug-in body shell (20), and an insertion end (2 a) of the second plug-in body (2) is fixed in the first plug-in body shell (10) in a buckling mode through a first buckling and matching structure;

the plug-in connector is characterized by also comprising a second buckle matching structure, wherein the insertion end (2 a) of the second plug-in connector (2) is fixed in the first plug-in connector shell (10) through the first buckle matching structure in a buckle manner and then fixed in the first plug-in connector shell (10) through the second buckle matching structure in a buckle manner; one of the first plug-in body (1) and the second plug-in body (2) is a plug, and the other one is a socket.

2. The connector with lock sealing function according to claim 1, wherein the first snap-fit structure includes:

a first fastener (11) formed on the inner side of the first plug-in body shell (10);

a first snap-fit element (21) formed on the second socket body (2), the first snap-fit element (21) and the first snap-fit element (11) being snap-fitted to each other.

3. The connector with lock sealing function according to claim 2, wherein the second snap-fit structure includes:

a second fastener (12) formed on the inner side of the first plug-in body shell (10),

and the second snap-fit piece (22) is arranged on the second plug-in body (2), and the second snap-fit piece (22) and the second snap-fit piece (12) are mutually snap-fit after the first plug-in body (1) and the second plug-in body (2) are fixed in a snap-fit manner through the first snap-fit structure.

4. Connector with locking and sealing function according to claim 3, characterized in that the second snap-in element (12) is arranged on the first plug-in body (1) to slide back and forth along the mutual plugging direction of the first plug-in body (1) and the second plug-in body (2).

5. Connector with lock sealing function according to claim 4, characterized in that said second snap-in element (12) comprises:

the second buckle part body (121) is arranged on the first plug-in body (1) in a reciprocating sliding mode along the mutual plug-in direction of the first plug-in body (1) and the second plug-in body (2);

and a latch portion (122) formed at the front end of the second latch body (121), the latch portion (122) being snap-fitted with the second snap-fitting member (22).

6. The connector with the locking and sealing function according to claim 5, wherein a toggle part (121 a) for a user to toggle is formed on the second latch body (121).

7. The connector with lock sealing function according to claim 6, wherein the second snap-fit member (22) comprises:

a vertical part (22 b), the bottom edge of which is arranged on the second plug-in body (2), and the vertical part (22 b) is arranged perpendicular to the sliding direction of the second buckle piece (12);

and a slope portion (22 c) having a bottom side provided on the second socket body (2) and a top side connected to the top side of the vertical portion (22 b), wherein an inclined surface is formed between the bottom side and the top side of the slope portion (22 c).

8. The connector with lock sealing function according to claim 7, wherein a slope surface (21 a) for sliding the second snap-fit member (22) to be engaged with the second snap member (12) is formed on the first snap-fit member (21).

9. The connector with the locking and sealing function according to any one of claims 1 to 8, further comprising a waterproof sealing ring (13) for waterproof sealing of a gap between the first plug-in body (1) and the second plug-in body (2) after being fastened and fixed by the second fastening and fitting structure, wherein the waterproof sealing ring (13) is arranged inside the first plug-in body housing (10).

10. The connector with locking sealing function according to claim 9, wherein the waterproof gasket (13) has:

the sealing ring body (131) is sleeved on the inner side of the first plug-in body shell (10);

and a seal ring extension (132) that is formed on the seal ring body (131) and extends in the axial direction of the seal ring body (131).

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