CN216598158U

CN216598158U - Waterproof connector

Info

Publication number: CN216598158U
Application number: CN202122624462.9U
Authority: CN
Inventors: 岳灿林
Original assignee: Dongguan Changping Jinye Electrical Appliance Products Co ltd
Current assignee: Jinye Electric Appliance Industry Dongguan Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-24
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a waterproof connector, which comprises a shell, a connector and a sealing cover, wherein the shell is molded into a hollow pipe body by injection, the connector is embedded into the shell and is divided into a plug-in part and a lead part, the plug-in part comprises a power terminal and an insulating seat for coating the power terminal, the lead part comprises a power wire and a rubber sleeve, the power wire is in conduction connection with the power terminal, and the rubber sleeve coats the connection position of the power wire and the power terminal and is fixedly connected with the insulating seat; the rubber sleeve partially extends out of one end of the shell and is provided with an annular clamping edge, the annular clamping edge is clamped on the outer side of the shell, and the power line extends out under the guide of the rubber sleeve; the sealing cover is assembled on the shell and movably covers the other end of the shell. The utility model adopts split manufacturing and then combined connection, ensures the product functionality, has scientific and reasonable structure, low investment cost, convenient manufacture and assembly, compact combined structure and good waterproof property, and ensures the use safety and the service life of the product.

Description

Waterproof connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a connector for electrifying connection of outdoor electrical appliances.

Background

Connectors, also commonly referred to as circuit connectors, are electrical connectors that bridge two conductors in a circuit so that current or signals can flow from one conductor to the conductor of another conductor. The connector may provide a separable interface for connecting two sub-electronic systems to complete electrical connection between the electronic circuits or electronic machines. For an electric appliance used outdoors, the connector needs to have better waterproof performance so as to improve the use safety and prevent the situations of short circuit and the like caused by water entering the connecting part. In the prior art, the waterproof connector is usually manufactured in an injection molding integrated mode, the structure is relatively complex, the manufacturing cost is high, and the popularization and the application of enterprises are not facilitated.

Disclosure of Invention

The utility model aims to provide a waterproof connector which is convenient to manufacture and assemble and has a better waterproof effect.

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

a waterproof connector, having:

the shell is in a hollow pipe body form by injection molding of a first plastic material, a first port and a second port are respectively arranged at two ends of the shell, the first port and the second port are coaxially arranged, and the second port is in a bundling design relative to the first port;

the connector is implanted into the shell from the first port to the second port and is divided into an inserting part and a lead part, the inserting part comprises a power terminal and an insulating seat for coating the power terminal, the insulating seat is made of a second plastic material in an injection molding mode and is in a convex shape, and an inserting gap is reserved between the convex extending end of the insulating seat and the inner peripheral wall of the first port; the lead part comprises a power line and a rubber sleeve, the power line is in conduction connection with the power terminal, and the rubber sleeve wraps the connection position of the power line and the power terminal and is fixedly connected with the insulating base; the part of the rubber sleeve extends out of the second port and is provided with an annular clamping edge, the annular clamping edge is clamped on the outer side of the second port and cooperates with the convergence design of the second port to realize that the connector is tightly fixed in the shell, and the power line extends out of the second port under the guidance of the rubber sleeve;

and the sealing cover is assembled on the shell and movably covers the first port.

The rubber sleeve is injection molded by adopting a third plastic material, and the rubber sleeve and the insulating base are injection molded together; the hardness of the third plastic material is less than that of the first plastic material and that of the second plastic material; the annular card is along following gum cover injection moulding together, and is equipped with the extension post in the inboard at annular card reason, should extend the shape, the size and the second port matching of post, and be equipped with the sealing washer on extending the post, the inside wall zonulae occludens of sealing washer and second port.

Above-mentioned scheme is further, be equipped with on the internal perisporium of shell and lead positive rib, lead positive rib and extend along the direction of implanting of connector, lead positive rib and be used in on the outer peripheral face of gum cover.

The sealing cover is assembled on the shell through a hinge structure and supported by the torsion spring, so that the sealing cover can move in an opening and closing mode relatively.

The utility model adopts split manufacturing and then combined connection, ensures the product functionality, has scientific and reasonable structure, low investment cost, convenient manufacture and assembly, compact combined structure and good waterproof performance, ensures the use safety and the service life of the product, and is beneficial to enterprise popularization and application.

Description of the drawings:

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

FIG. 2 is a schematic cross-sectional view of the internal structure of the embodiment of FIG. 1;

FIG. 3 is an enlarged view of a portion of the embodiment of FIG. 2;

fig. 4 is a schematic structural diagram of the connection head in the embodiment of fig. 1.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element 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," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3 and 4, which are schematic structural views illustrating a preferred embodiment of the present invention, the present invention relates to a waterproof connector, which includes a housing 1, a connector 2 and a sealing cap 3, and the waterproof connector is connected or disconnected by a plug-in manner.

The housing 1 is made of a first plastic material and is formed by injection molding into a hollow tube, which is shown as a long tubular shape, two ends of the housing 1 are respectively provided with a first port 11 and a second port 12, the first port 11 and the second port 12 are coaxially arranged, and the second port 12 is designed to be bundled relative to the first port. The connector 2 is implanted into the housing 1 from the first port 11 to the second port 12, and the connector 2 is divided into a plug portion 21 and a lead portion 22. The plug-in portion 21 includes a power terminal 212 and an insulating base 211 covering the power terminal, the insulating base 211 is made of a second plastic material and is molded into a convex shape, a plug-in gap 111 is reserved between a convex end of the insulating base 211 and an inner peripheral wall of the first port 11, so that an external socket is connected, the power terminal 212 is used for completing mutual electrical connection of a circuit or an electronic machine, and the plug-in gap 111 is used for increasing plug-in stability. The lead portion 22 includes a power line 221 and a rubber sleeve 222, the power line 221 is connected to the power terminal 212, and the rubber sleeve 222 wraps the connection position of the power line 221 and the power terminal and is fixedly connected to the insulating base 211 to form a whole. The rubber sleeve 222 partially extends out of the second port 12 and is provided with an annular clamping edge 2221, the annular clamping edge 2221 is clamped on the outer side of the second port 12, and cooperates with the bundling design of the second port 12 to realize that the connector 2 is tightly fixed in the housing 1, and the power cord 221 extends out of the second port 12 under the guidance of the rubber sleeve 222. The sealing cover 3 is assembled on the shell 1 and movably covers the first port 11, when no plug connection is carried out, the sealing cover 3 covers the first port 11, the dustproof and waterproof effects are achieved, and the connector 2 inside the shell 1 is protected.

Referring to fig. 1, 2, 3 and 4, in the present embodiment, the rubber sleeve 222 is formed by injection molding of a third plastic material, and the rubber sleeve 222 and the insulating base 211 are injection molded together, so that the overall structure is good, the tightness and the firmness are achieved, and the service life is prolonged. The hardness of the third plastic material is smaller than that of the first plastic material and that of the second plastic material, and the annular clamping edge 2221 is injection-molded together with the rubber sleeve 222, so that the annular clamping edge 2221 has relative expansion and contraction characteristics, so that when the connector 2 is implanted into the housing 1, the annular clamping edge 2221 can penetrate out of the second port 12 and be tightly clamped on the outer side of the second port 12, the assembly is convenient, and the sealing performance is good. In this embodiment, an extending column 2222 is further disposed on the inner side of the annular rim 2221, the shape and size of the extending column 2222 are matched with the second port 12, so as to increase the connection structure between the connector and the housing, and a sealing ring 4 is disposed on the extending column 2222, so that the sealing ring 4 is tightly connected with the inner side wall of the second port 12, thereby further increasing the connection sealing performance between the connector and the housing and improving the waterproof effect. In this embodiment, be equipped with on the internal perisporium of shell 1 and lead positive rib 13, lead positive rib 13 and extend along the implantation direction of connector 2, lead positive rib 13 and act on the outer peripheral face of gum cover 222, ensure from this that connector 2 stably implants in shell 1, the equipment is convenient and accurate, promotes equipment quality and product quality.

Referring to fig. 1 and 2, in the present embodiment, the sealing cover 3 is assembled on the housing 1 through a hinge structure and supported by the torsion spring 5, so that the sealing cover 3 can open and close relatively, and the sealing cover is simple in structure, convenient to use, and good in covering effect.

While the preferred embodiments of the utility model have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A waterproof connector, characterized by comprising:

the outer shell (1) is made of a first plastic material and is formed into a hollow pipe body in an injection molding mode, two ends of the outer shell (1) are respectively provided with a first port (11) and a second port (12), the first port (11) and the second port (12) are coaxially arranged, and the second port (12) is in a bundling design relative to the first port;

the connector (2) is implanted into the shell (1) from the first port (11) to the second port (12), the connector (2) is divided into an inserting part (21) and a lead part (22), the inserting part (21) comprises a power terminal (212) and an insulating seat (211) covering the power terminal, the insulating seat (211) is made of a second plastic material and is formed by injection molding into a convex shape, and an inserting gap (111) is reserved between the convex end of the insulating seat (211) and the inner peripheral wall of the first port (11); the lead part (22) comprises a power line (221) and a rubber sleeve (222), the power line (221) is in conduction connection with the power terminal, and the rubber sleeve (222) wraps the connection position of the power line (221) and the power terminal and is fixedly connected with the insulating base (211); the rubber sleeve (222) partially extends out of the second port (12) and is provided with an annular clamping edge (2221), the annular clamping edge (2221) is clamped on the outer side of the second port (12), the connector (2) is tightly fixed in the shell (1) by cooperating with the bundling design of the second port (12), and the power line (221) extends out of the second port (12) under the guidance of the rubber sleeve (222);

and the sealing cover (3), the sealing cover (3) is assembled on the shell (1) and movably covers the first port (11).

2. The waterproof connector of claim 1, wherein the rubber sleeve (222) is injection molded by a third plastic material, and the rubber sleeve (222) and the insulating base (211) are injection molded together; the hardness of the third plastic material is less than that of the first plastic material and that of the second plastic material; the annular clamping edge (2221) is formed by injection molding together with the rubber sleeve (222), an extension column (2222) is arranged on the inner side of the annular clamping edge (2221), the shape and size of the extension column (2222) are matched with those of the second port (12), a sealing ring (4) is arranged on the extension column (2222), and the sealing ring (4) is tightly connected with the inner side wall of the second port (12).

3. A watertight connector as claimed in claim 1, characterized in that the inner circumferential wall of the housing (1) is provided with guide ribs (13), which guide ribs (13) extend in the direction of implantation of the connector (2), which guide ribs (13) act on the outer circumferential surface of the rubber sleeve (222).

4. A watertight connector as claimed in claim 1, characterized in that said sealing cover (3) is assembled on the housing (1) by means of a hinge structure and supported by means of a torsion spring (5) to enable the relative opening and closing movement of the sealing cover (3).