CN219247088U - Connector with locking and sealing functions - Google Patents

Abstract

The utility model 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 body and the first plug body are mutually matched and assembled together, the second plug body is provided with a second plug body shell, and the insertion end of the second plug body is fastened and fixed in the first plug body shell through a first fastening and matching structure; and, the connector is still including the second snap-fit structure, and the second plug body insert the end through first snap-fit structure buckle fix in first plug body casing after this second snap-fit structure buckle fix in first plug body casing to accomplish the secondary buckle to socket and fixed, strengthened the buckle stability of both, ensured the electric connection effect of connector.

Description

Connector with locking and sealing functions

Technical Field

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

Background

A connector (or electrical connector) is a common device for electrical circuits, which is used to electrically connect two conductors in the same circuit, to allow current to flow, and to allow the circuit to perform 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 piece, the first buckling piece is positioned on the socket shell, when the plug-in end of the socket is inserted into the plug (namely opposite plug), the first buckling piece on the socket is buckled with the first buckling piece of the plug, so that buckling fixation between the plug and the socket is realized, and further electric connection between an element in the plug and an element in the socket is realized.

However, the existing connector structure has the following disadvantages: the plug and the socket are generally fastened and fixed by adopting a single fastening matching structure, so that the fastening effect between the plug and the socket is weak, and the plug and the socket are easy to loosen and fall off due to severe vibration, which is not beneficial to the electrical connection stability of the connector; in addition, the waterproof sealing structure between the plug and the socket can only waterproof the end face of the waterproof sealing ring, and the side edge of the waterproof sealing ring cannot be waterproof.

Disclosure of Invention

The utility model aims to provide a connector with a locking and sealing function aiming at the prior art.

The technical scheme adopted for solving the technical problems is as follows: a connector with locking seal function, comprising:

the first plug body is provided with a first plug body shell;

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

the plug is characterized by further comprising a second snap fit structure, wherein the insertion end of the second plug is snapped and fixed in the first plug shell through the first snap fit structure and then snapped and fixed in the first plug shell through the second snap fit structure; one of the first plug body and the second plug body is a plug, and the other is a socket.

In the connector with locking sealing function, the first snap-fit structure comprises:

the first clamping piece is formed on the inner side of the first plug body shell;

the first snap-fit piece is formed on the second plug body and is mutually in snap-fit with the first snap-fit piece.

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

a second clamping piece formed on the inner side of the first plug body shell,

the second buckle matching piece is arranged on the second plug body, and the second buckle matching piece and the second buckle piece are mutually buckled and matched after the first plug body and the second plug body are buckled and fixed by the first buckle matching structure.

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

In the connector with locking sealing function, the second fastener includes:

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

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

In the connector with locking and sealing functions, a poking part for poking by a user is formed on the second buckle piece body.

Further, in the connector with a locking seal function, the second snap-fitting includes:

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

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

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

The connector with locking sealing function still includes to the clearance department of first grafting body and second grafting body after the buckle of second buckle cooperation structure is fixed and do waterproof sealing's waterproof sealing circle, waterproof sealing circle sets up in first grafting body casing inboard.

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

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

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 utility model has the advantages that: the connector is additionally provided with the second buckle matching structure on the basis that the existing plug and the socket are fixed in a buckle manner through a single buckle matching structure, and the plug and the socket are fixed in the first plug body shell in a buckle manner through the first buckle matching structure and then are fixed in the first plug body shell in a buckle manner through the second buckle matching structure, so that secondary buckle fixation for the socket and the socket is completed, buckle stability of the socket and the socket is enhanced, and electric connection effect of the connector is ensured; in addition, through setting up the internal waterproof sealing circle of grafting into have sealing washer body and sealing washer extension to the sealing washer extension forms in the sealing washer body and extends along the axial direction of sealing washer body's structural style, thereby not only can utilize the sealing washer body to realize that the terminal surface is waterproof, but also can utilize the sealing washer extension to realize that the side is waterproof, reached the dual seal effect of waterproof sealing circle, also strengthened the electric connection effect of connector like this.

Drawings

Fig. 1 is a schematic structural diagram of a connector with locking and sealing functions according to an embodiment of the present utility model;

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

FIG. 3 is a schematic 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 a plug;

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

FIG. 7 is a schematic view of the second fastener shown in FIG. 6 in another view;

FIG. 8 is a schematic view of a waterproof gasket;

fig. 9 is a schematic view of the structure of the inner shield of the header;

fig. 10 is a cross-sectional view of a plug;

FIG. 11 is a schematic 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 receptacle;

fig. 14 is a cross-sectional view of a receptacle;

fig. 15 is a sectional view of the socket in a state corresponding to the time of insertion into the plug;

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

FIG. 17 is a cross-sectional view of the receptacle inserted into the plug and corresponding to the first snap-fit completed;

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

FIG. 19 is a cross-sectional view of the receptacle inserted into the plug and corresponding to a second snap-fit;

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

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The present embodiment provides a connector with locking and sealing functions. Specifically, referring to fig. 1, the connector with locking and sealing functions of the 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 connector 1 is provided with a first plug connector shell 10, a plug shielding piece 1a, a rubber core 1b, a pressing plate 1c, a shielding ring 1d, an inserting hole 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 connector shell 10, the tail cover assembly 1g is arranged at the rear end of the first plug connector shell 10, the plug shielding piece 1a, the rubber core 1b, the shielding ring 1d, the inserting hole 1e and the wire sealing body 1f are all positioned in a space formed by the mutually assembled pressing plate 1c, the first plug connector shell 10 and the tail cover 1g, and the plug shielding piece 1a is sleeved outside the rubber core 1 b; the inner side of the first plug body shell 10 is also provided with a waterproof sealing ring 13, and the first plug body 1 and the second plug body 21 are mutually matched and assembled together; the waterproof sealing ring 13 performs waterproof sealing on the gap between the first plug body 1 and the second plug body 2 after being fastened and fixed by the second fastening and matching structure.

The second plug body 2 is provided with a second plug 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 body 2 is fastened and fixed in the first plug body shell 10 through a first fastening and matching structure; the insertion end 2a of the second plug body 2 is fixed in the first plug body housing 10 by the first snap-fit structure, and then fixed in the first plug body housing 10 by the second snap-fit structure.

Specifically, the first snap-fit structure in this embodiment includes a first snap-fit element 11 and a first snap-fit element 21, the first snap-fit element 11 is formed on the inner side of the first plug body housing 10, the first snap-fit element 21 is formed on the second plug body 2, and the first snap-fit element 21 and the first snap-fit element 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 on the inner side of the first jack body housing 10, the second snap-fit element 22 is disposed on the second jack body 2, and the second snap-fit element 22 and the second snap-fit element 12 are snap-fit with each other after the first jack body 1 and the second jack body 2 are snap-fixed by the first snap-fit structure. The second fastening element 12 is arranged on the first plug body 1 in a manner that it can slide back and forth along the direction of mutual insertion of the first plug body 1 and the second plug body 2.

Referring to fig. 6 and 7, the second fastener 12 of this embodiment includes a second fastener body 121 and a fastener portion 122, where the second fastener body 121 is slidably disposed on the first plug body 1 back and forth along the direction of the mutual plug of the first plug body 1 and the second plug body 2, and a retraction limiter 1210 is disposed at the bottom of the second fastener body 121 to limit the travel of the second fastener body 121 when sliding back toward its original position, the fastener portion 122 is formed at the front end of the second fastener body 121, the fastener portion 122 is in snap fit with the second fastener fitting 22, a poking portion 121a for poking by a user is formed on the second fastener body 121, and an anti-slip layer is disposed on the poking portion 121 a. For example, a sliding groove 121b that is slidably engaged with the first socket body 1 may be formed at the bottom of the second buckle body 121. Wherein, as required, the vertical edge 122a is formed on the fastening portion 122, and the vertical edge 122a has an anti-misoperation function, when the plug is not inserted with the socket, the vertical edge 121a cannot be pushed forward, so that the fastening is not locked before the plug is inserted with the socket.

Referring to fig. 11 to 13, the second snap-fit element 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 plug body 2, and the vertical portion 22b is perpendicular to the sliding direction of the second snap-fit element 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 element 12 can be prevented from sliding reversely towards the second plug body 2 due to misoperation. The bottom edge of the slope part 22c is arranged on the second plug body 2, the top edge of the slope part 22c is connected with the top edge of the vertical part 22b, and an inclined surface is formed between the bottom edge and the top edge of the slope part 22 c. A slope surface 21a is formed on the first snap-fit piece 21 to which the second snap-fit piece 22 is slid to be snapped with the second snap-fit piece 12.

Specifically, referring to fig. 8, the waterproof sealing ring 13 has a sealing ring body 131 and a sealing ring extension portion 132, the sealing ring body 131 is sleeved on the inner side of the first socket housing 10, a plurality of small protrusions 132a are formed on the front end surface of the sealing ring extension portion 132 (i.e. the end surface opposite to the insertion end of the socket), and the sealing ring extension portion 132 is formed on the sealing ring body 131 and extends along the axial direction of the sealing ring body 131. As shown in fig. 10, the waterproof gasket 13 has an "L" shaped cross section after being cut. The L-shaped cross section can ensure that the end face of the waterproof sealing ring 13 can be waterproof, and the side direction of the sealing ring body 131 can also play a role in waterproof, so that the double waterproof effect for the connector is realized based on the waterproof sealing ring structure.

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

referring to fig. 15 and 16, when the insertion end 2a of the second plug body 2 (i.e., the receptacle) is inserted into the plug housing 10 of the first plug body 1, the first snap-fit member 21 on the second plug body 2 is snapped into the plug housing 10 and snap-fit with the first snap-fit member 11 is achieved, i.e., the present state achieves a first snap-fit fixation between the first plug body 1 (i.e., the plug) and the second plug body 2 (i.e., the receptacle); at this time, the insertion end 2a of the second plug body 2 also starts to move toward the inside of the first plug housing 10 along the seal ring extending portion 132 forming direction of the waterproof seal ring 13; at this time, the second fastening member 12 does not need to be slid, and the fastening portion 122 of the second fastening member 12 does not move;

as shown in fig. 17 and 18, when a pulling force is applied to the pulling part 121a, the second latch body 121 of the second latch 12 slides toward the second jack body 2 (i.e., the socket), and the latch part 122 at the front end of the second latch body 121 slides along the slope surface 21a of the first latch fitting 21 until the latch part 122 finally slides over the slope surface 21a and realizes a latch fit with the second latch fitting 22, as shown in fig. 19 and 20, at which time the second latch fit fixation between the first jack body 1 (i.e., the plug) and the second jack body 2 (i.e., the socket) is completed; the insertion end 2a of the second plug 2 is moved to a predetermined position along the direction in which the seal ring extension 132 of the waterproof seal ring 13 is formed. Wherein, at this time, the gap between the insertion end 2a of the second plug body 2 and the first plug body 1 is already sealed by the sealing ring extension 132, and even if water exists, the water cannot enter the rubber core 1b of the first plug body housing 10 through the sealing ring extension 132; moreover, on the end face perpendicular to the insertion end 2a of the second plug body 2, even water cannot enter the rubber core 1b of the first plug body case 10 through the seal ring body 131.

Claims (10)

1. A connector with locking seal function, comprising:

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

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

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

2. The connector with locking seal function of claim 1, wherein the first snap-fit structure comprises:

a first clip (11) formed on the inner side of the first plug housing (10);

the first snap fit piece (21) is formed on the second plug body (2), and the first snap fit piece (21) and the first snap fit piece (11) are mutually in snap fit.

3. The connector with locking seal function of claim 2, wherein the second snap-fit structure comprises:

a second clamping piece (12) formed on the inner side of the first plug body shell (10),

the second buckle matching piece (22) is arranged on the second plug body (2), and the second buckle matching piece (22) and the second buckle piece (12) are mutually in buckle matching after the first plug body (1) and the second plug body (2) are in buckle fixing in the first buckle matching structure.

4. A connector with locking and sealing functions according to claim 3, characterized in that the second snap member (12) is arranged on the first plug body (1) in a back and forth sliding manner along the mutual plug direction of the first plug body (1) and the second plug body (2).

5. The connector with locking seal function according to claim 4, wherein the second snap member (12) comprises:

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

and a fastening part (122) formed at the front end of the second fastening part body (121), wherein the fastening part (122) is fastened and matched with the second fastening matching part (22).

6. The connector with locking and sealing functions according to claim 5, wherein the second buckle element body (121) is formed with a poking part (121 a) for poking by a user.

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

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

and the bottom edge of the slope part (22 c) is arranged on the second plug-in body (2), the top edge of the slope part is connected with the top edge of the vertical part (22 b), and an inclined surface is formed between the bottom edge and the top edge of the slope part (22 c).

8. The connector with locking sealing function according to claim 7, wherein the first snap-fit member (21) is formed thereon with a slope surface (21 a) that mates with the second snap-fit member (22) to slide over to snap with the second snap-fit member (12).

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

10. Connector with locking and sealing function according to claim 9, characterized in that the waterproof sealing ring (13) has:

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

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

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