阅读说明：本技术 一种电连接组件 (Electric connection assembly ) 是由 娄鹏 符龙强 张荔 谢欢欢 郭辉 于 2018-12-24 设计创作，主要内容包括：本发明提供了一种电连接组件。电连接组件包括插座和线缆组件,插座壳体上设有连接柱,线缆组件包括线缆和缆端插头,线缆封装在缆端插头内的一端连接有接线端子,缆端插头具有中空插接端,接线端子处于中空插接端的内腔中且可通过螺纹连接件与连接柱连接,中空插接端与插座壳体密封配合,缆端插头上还设有旋拧操作口,缆端插头还包括密封安装在旋拧操作口处的封盖。本发明的电连接组件通过中空插接端与连接柱的连接实现导电连接,同时缆端插头与插座壳体之间实现密封,旋拧螺纹连接件的操作口也通过封盖密封,这样就实现了缆端插头与插座之间的防尘防水,进而实现了现有的类似OT/UT端子的密封连接。(The invention provides an electrical connection assembly. The electric connection assembly comprises a socket and a cable assembly, a connecting column is arranged on the socket shell, the cable assembly comprises a cable and a cable end plug, one end of the cable packaged in the cable end plug is connected with a wiring terminal, the cable end plug is provided with a hollow insertion end, the wiring terminal is positioned in an inner cavity of the hollow insertion end and can be connected with the connecting column through a threaded connecting piece, the hollow insertion end is in sealed fit with the socket shell, a screwing operation port is further formed in the cable end plug, and the cable end plug further comprises a sealing cover which is hermetically mounted at the screwing operation port. The electric connection assembly realizes the conductive connection through the connection of the hollow insertion end and the connection column, simultaneously realizes the sealing between the cable end plug and the socket shell, and also realizes the sealing of the operation port of the screwing threaded connecting piece through the sealing cover, thus realizing the dust prevention and the water prevention between the cable end plug and the socket, and further realizing the sealing connection of the prior OT/UT terminal.)

1. The utility model provides an electric connection assembly, characterized by, including socket and cable subassembly, the socket is including the socket casing that is used for linking firmly with the consumer, the last wiring unit that is equipped with of socket casing, the wiring unit is including the spliced pole that is used for the in-connection end of being connected with the consumer electricity and is used for being connected with the cable subassembly, the cable subassembly includes cable and cable end plug, the one end of cable encapsulation in the cable end plug is connected with binding post, the cable end plug has the cavity grafting end that supplies the spliced pole male, binding post is in the inner chamber of cavity grafting end and accessible threaded connection spare is connected with the spliced pole, cavity grafting end and socket casing seal fit, still be equipped with intercommunication cavity grafting end inner chamber and external revolving on the cable end plug and revolve wrong operation mouth, the cable end plug still includes the closing cap of seal installation at revolving.

2. The electrical connection assembly of claim 1, wherein the hollow mating end is cartridge mated with the receptacle housing and sealed by a sealing structure at the cartridge mating face.

3. The electrical connection assembly of claim 2 wherein the socket housing has a surrounding wall around the connection post and the sealing structure is disposed between the surrounding wall and the outer peripheral surface of the hollow insertion end.

4. The electrical connection assembly of claim 3, wherein the sealing structure comprises a sealing ring disposed on an outer peripheral surface of the hollow spigot end.

5. The electrical connector assembly as claimed in any one of claims 1 to 4, wherein the screw operation opening is opposite to the insertion opening of the connecting pin of the hollow insertion end.

6. The electrical connection assembly of claim 5, wherein the cover is snap-fitted to the screw operation port by a resilient snap fit.

7. The electrical connector assembly of claim 5, wherein the cap is in sealing engagement with an inner peripheral surface of the screw operation port.

8. The electrical connection assembly as claimed in any one of claims 1 to 4, wherein the extension direction of the connection column is perpendicular to the plane of the cable, the number of the cable assemblies is three, the socket housing is provided with a positioning and matching structure for positioning the cable end plug in the circumferential direction of the connection column, and the cable leading ends of the three cable end plugs are ensured to be close to each other by the positioning of the positioning and matching structure.

9. The electrical connector assembly of claim 3, wherein the connecting posts extend in a direction perpendicular to the plane of the cable, the cable assembly has three, the outer wall of the hollow mating end has radial projections, and a portion of the wall extends radially outwardly to form recesses adapted to the radial projections, whereby the cable outlets of the three cable plugs are secured in close proximity by the positioning engagement of the recesses and the radial projections.

10. The electrical connection assembly as claimed in any one of claims 1 to 4, wherein there are three inner connection terminals and three connection posts, the connection lines of the three inner connection terminals are perpendicular to the connection lines of the three connection posts, one connection post at the end and the inner connection terminal at the middle are of an integral structure, and the other two connection posts and the inner connection terminals at the two sides are respectively and electrically connected through L-shaped conductive sheets.

Technical Field

The invention relates to the field of electric connection, in particular to an electric connection assembly.

Background

There are various existing conductive connection methods, for example, the conductive connection is realized by inserting the contacts into each other, the conductive connection is realized by butting the end faces of the contacts, the conductive connection is realized by pressing the wires with a pressing screw, and the electrical connection is realized by using a terminal block similar to an OT/UT terminal. In these connection methods, a wire pressing screw or an OT/UT terminal is often used for power connection, and for a use environment with a large current, the OT/UT terminal is generally used for electrical connection in consideration of contact resistance and contact reliability at a connection position. However, the connection method has a problem that good dustproof and waterproof sealing cannot be performed for a long time, and the use occasion of the connection method is limited to a great extent.

Disclosure of Invention

The invention aims to provide an electrical connection assembly for solving the problem that the traditional OT/UT terminal electrical connection is inconvenient to seal.

The electric connection assembly comprises a socket and a cable assembly, wherein the socket comprises a socket shell fixedly connected with electric equipment, a wiring unit is arranged on the socket shell and comprises an inner connection end electrically connected with the electric equipment and a connection column connected with the cable assembly, the cable assembly comprises a cable and a cable end plug, one end of the cable packaged in the cable end plug is connected with a wiring terminal, the cable end plug is provided with a hollow insertion end for the connection column to insert, the wiring terminal is arranged in an inner cavity of the hollow insertion end and can be connected with the connection column through a threaded connection piece, the hollow insertion end is in sealed fit with the socket shell, a screwing operation port communicating the inner cavity of the hollow insertion end with the outside is further arranged on the cable end plug, and the cable end plug further comprises a sealing cover hermetically arranged at the screwing operation port.

The electric connection assembly realizes the conductive connection through the connection of the hollow insertion end and the connection column, simultaneously realizes the sealing between the cable end plug and the socket shell, and also realizes the sealing of the operation port of the screwing threaded connecting piece through the sealing cover, thus realizing the dustproof and waterproof between the cable end plug and the socket and further realizing the sealed connection when the prior OT/UT terminal is electrically connected.

Furthermore, the hollow insertion end is in insertion fit with the socket shell, and sealing is achieved through a sealing structure at the insertion fitting surface. Therefore, the sealing matching surface can be made larger, and the sealing effect is better.

The socket shell is provided with a surrounding wall around the connecting column, and the sealing structure is arranged between the surrounding wall and the outer peripheral surface of the hollow inserting end.

The sealing structure comprises a sealing ring arranged on the peripheral surface of the hollow insertion end.

The screwing operation port is opposite to the connecting column inserting port of the hollow inserting end. The advantage is to twist conveniently.

The sealing cover is buckled on the screwing operation opening through an elastic buckle. The advantage is that the closing cap installation is comparatively convenient.

The sealing cover is in sealing fit with the inner circumferential surface of the screwing operation opening.

The extension direction of spliced pole is perpendicular with the plane that the cable belongs to, and the cable subassembly has three, is equipped with on the socket casing with the location cooperation structure that cable end plug goes on fixing a position in the circumferential direction of spliced pole, and the location through location cooperation structure guarantees that the cable leading-out end of three cable subassemblies is close to.

The extension direction of spliced pole is perpendicular with the plane that the cable belongs to, and the cable subassembly has three, is equipped with radial convex part on the outer wall of cavity grafting end, and partial enclosure wall radially outwards winds out and forms the notched part with radial convex part adaptation, guarantees that the cable leading-out end of three cable subassemblies is close to through the location cooperation of notched part and radial convex part.

The connecting terminals are connected with the connecting columns in an L-shaped conductive sheet respectively.

Drawings

FIG. 1 is an exploded perspective view of the electrical connection assembly of the present invention;

FIG. 2 is a schematic view showing the connection of the receptacle of the electrical connection assembly with the cable assembly;

FIG. 3 is a schematic structural view of the cable assembly;

FIG. 4 is a schematic view showing the configuration of the hollow mating end of the cable assembly;

FIG. 5 is a schematic structural diagram of a socket;

FIG. 6 is a perspective view of the socket;

FIG. 7 is a schematic view of the connection between the connection terminal and the terminal post inside the socket;

in the figure, K represents the plugging direction of the cable end plug;

in the figure: 1-a socket housing; 10-enclosure walls; 100-a notch portion; 11-a connecting column; 12-screw mounting holes; 13-an inner connection end; 14-an L-shaped conductive sheet; 2-cable end plug; 200-a radial projection; 201-a first sealing ring; 211-screwing operation port; 212-a positioning boss; 213-elastic buckle; 3-sealing the cover; 30-a clamping part; 31-a second seal ring; 4-screws; 5-a wiring terminal; 9-cable.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The specific embodiment of the electrical connection assembly of the present invention, as shown in fig. 1, includes a socket and a cable assembly, the socket includes a socket housing 1 for being fixedly connected with an electrical device, the socket housing 1 is provided with a wiring unit, and the wiring unit includes an inner connection end for being electrically connected with the electrical device and a connection post 11 for being connected with the cable assembly. The cable subassembly includes cable 9 and cable end plug 2, and the one end of cable 9 encapsulation in cable end plug 2 is connected with binding post 5, and cable end plug 2 has the cavity grafting end that supplies spliced pole 11 to insert, and binding post 5 is in the inner chamber of cavity grafting end and is connected with spliced pole 11 through screw 4, and cavity grafting end and socket shell 1 are sealed to be cooperated. The cable end plug 2 is provided with a screwing operation port 211 for communicating the inner cavity of the hollow plugging end with the outside, and the sealing cover 3 is hermetically installed at the screwing operation port 211.

As shown in fig. 1 and 2, the hollow insertion end is inserted into and fitted with the socket housing 1, a surrounding wall 10 is arranged on the socket housing 1 around the terminal, a first sealing ring 201 is arranged on the outer circumferential surface of the hollow insertion end, and after the hollow insertion end is inserted into the socket housing 1, the first sealing ring 201 is located between the surrounding wall 10 and the outer circumferential surface of the hollow insertion end, so that sealed insertion is achieved. The extension direction of the connecting column 11 is perpendicular to the plane of the cable 9, the number of the cable components is three, the outer wall of the hollow plugging end is provided with a radial convex part 200, a part of the surrounding wall 10 is wound outwards in the radial direction to form a concave part 100 matched with the radial convex part 200, and the cable leading-out ends of the three cable end plugs 2 are ensured to be close to each other through the positioning matching of the concave part 100 and the radial convex part 200. The connecting terminal 5 in the cable end plug 2 is reliably connected with the connecting column 11 of the socket through the screw 4.

As shown in fig. 3, the cable end plug 2 is provided with a screwing operation port 211 for communicating the hollow insertion end with the outside, and the screwing operation port 211 is opposite to the insertion port of the connection column 11 of the hollow insertion end. The cover 3 is provided with a clamping portion 30 matched with the elastic lock catch, and the clamping portion is buckled on the screwing operation opening 211 through an elastic buckle 213. The outer peripheral surface of the portion of the cap 3 extending into the screwing operation port 211 is provided with a second seal ring 31, and the cap 3 is in sealing fit with the inner peripheral surface of the screwing operation port 211 through the second seal ring 31.

As shown in fig. 4, the outer peripheral surface of the screwing operation port 211 is provided with four positioning bosses 212, two of the positioning bosses 212 are combined into a group, an accommodating space for accommodating the clamping portion 30 on the mounting cover 3 after the cover 3 is fastened is formed between the two positioning bosses 212 of the same group, and the elastic buckle 213 is located between the two positioning bosses 212 of the same group. The positioning bosses 212 extend along the axial direction of the screwing operation port 211, the extending direction of the clamping portion 30 is the same as that of the positioning bosses 212, and the clamping portion 30 is downwards buckled at the position between the same group of positioning bosses 212 when the cover 3 is installed until the elastic buckles 213 are clamped on the clamping portion 30. When screwing the operating hole 211 with the closing cap 3, the positioning boss 212 positions the clamping part 30, so that the operator can align the elastic buckle 213 with the clamping part 30 quickly and accurately and complete the installation of the closing cap 3 quickly.

As shown in fig. 5, the socket housing 1 is provided with four fastener mounting holes, and the socket is fixedly connected with the transmission housing through four fasteners. The fastener may be a screw.

As shown in fig. 6 and 7, three inner connection terminals 13 and three connection columns 11 are provided, the connection lines of the three inner connection terminals 13 are perpendicular to the connection lines of the three connection columns 11, one connection column 11 at the end and the inner connection terminal 13 in the middle are of an integral structure, and the other two connection columns 11 and the inner connection terminals 13 at the two sides are respectively in conductive connection through L-shaped conductive sheets 14, so that the direction change of the incoming terminal and the outgoing terminal is realized by 90 degrees. The inner connecting end 13, the L-shaped conducting strip 14 and the binding post are connected by welding.

When the electrical connection assembly of the present invention is installed, the receptacle is now installed to the electrical equipment, and the cable end plug is connected to the receptacle in the direction indicated by the arrow in fig. 1. The electric connection component is connected with the connecting column through the hollow insertion end to realize conductive connection, meanwhile, the cable end plug and the socket shell are sealed, and the screwing operation port of the cable end plug is also sealed through the sealing cover, so that the plug and the socket form double sealing after being inserted and combined, thereby realizing dustproof and waterproof between the cable end plug and the socket and further realizing the sealed connection when the existing similar OT/UT terminal is electrically connected.

In the above embodiment, the outer peripheral surface of the hollow insertion end is provided with a sealing ring to realize the sealing and inserting fit of the hollow insertion end and the socket housing. In other embodiments, a sealing ring may be disposed on an inner wall surface of the surrounding wall surrounding the connecting column to achieve a sealing and inserting fit between the hollow insertion end and the socket housing.

In the above embodiment, the screwing operation port is opposite to the connecting column insertion port of the hollow insertion end. In other embodiments, the opening direction of the screwing operation opening can also be perpendicular to the connecting column insertion opening of the hollow insertion end.

In the above embodiment, a surrounding wall is arranged on the socket housing around the connecting column, the hollow insertion end is inserted into the socket housing, and the hollow insertion end is inserted into the space surrounded by the surrounding wall and sealed by the sealing ring at the insertion fitting surface. In other embodiments, the hollow insertion end and the socket housing may also be in butt joint, a sealing ring is disposed at a port of the hollow insertion end, and the sealing ring at a rear port of the connection panel, which is connected to the socket housing, of the hollow insertion end is clamped between the hollow insertion end and the connection panel to achieve sealed butt joint.

In the above embodiment, the outer wall of the hollow plug end is provided with the radial protrusion, so that part of the surrounding wall is radially outward wound to form the notch part matched with the radial protrusion, and the cable leading-out ends of the three cable assemblies are ensured to be close to each other through the positioning and matching of the notch part and the radial protrusion. In other embodiments, the outer wall of the surrounding wall and the outer wall of the hollow insertion end may be respectively provided with a projection projecting radially outward, the two projections are correspondingly provided with a through hole for the positioning pin to pass through, and the positioning pin passes through the two projections at the same time to realize positioning fit.

In the above embodiment, the connection lines of the three interconnection terminals are perpendicular to the connection lines of the three connection posts, and the two connection posts are connected to the two interconnection terminals through the L-shaped conductive sheets respectively. In other embodiments, the three connecting posts may be distributed in a triangle, wherein two connecting posts are respectively connected with the two inner connecting ends through the L-shaped conductive sheets. The arrangement of the connecting columns and the inner connecting ends is not limited to this, and when the arrangement is changed, the insertion mode can be changed accordingly.

In the above embodiment, the outer wall of the hollow plug end is provided with the radial protrusion, a part of the surrounding wall is radially outward wound to form the notch part matched with the radial protrusion, and the cable leading-out ends of the three cable assemblies are ensured to be close to each other through the positioning matching of the notch part and the radial protrusion. In other embodiments, a structure for enabling the cable leading-out ends of the three cable end plugs to be close to each other may not be provided, that is, the cables of the three cable end plugs may be led out in parallel, and the disadvantage is that the cables are not convenient to be converged into a wiring harness to be led out of the shell.