阅读说明：本技术 插座以及与该插座适配的线缆组件 (Socket and cable assembly adapted to the same ) 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：本发明提供了插座以及与该插座适配的线缆组件。其中,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。使用时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 a socket and a cable assembly matched with the socket. The socket comprises a socket shell, a connecting column is arranged on the socket shell, a 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 connecting terminal, the cable end plug is provided with a hollow inserting end, the connecting terminal is located in an inner cavity of the hollow inserting end and can be connected with the connecting column through a threaded connecting piece, the hollow inserting 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. When the socket is used, the hollow insertion end is connected with the connecting column to realize conductive connection, meanwhile, the cable end plug and the socket shell are sealed, and the operation port of the screwing threaded connecting piece is also sealed by the sealing cover, so that the dust and water prevention between the cable end plug and the socket are realized, and further, the existing sealing connection similar to the OT/UT terminal is realized.)

1. The socket is characterized by comprising a socket shell fixedly connected with electric equipment, wherein 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 a cable assembly, and a hollow insertion end sealing and matching structure used for accommodating the connection column connected with the cable and used for inserting the connection column and connecting the connection column with the connection column is arranged on the socket shell.

2. The receptacle of claim 1 wherein the receptacle housing has a receptacle mating portion for mating with a cable end plug of a cable assembly, the seal engagement structure being disposed at the receptacle mating portion to seal circumferentially with the cable assembly.

3. A socket as claimed in claim 2, wherein the socket housing is provided with a wall around the connecting stud, the inner periphery of the wall defining said sealing engagement.

4. A jack as claimed in claim 3 wherein portions of the wall extend radially outwardly to form recesses for mating with radial projections on the hollow mating end, the cable exit ends of the three cable assemblies being secured together by the locating engagement of the recesses and the radial projections.

5. The socket according to claim 1 or 2, wherein the socket housing is provided with a positioning fitting structure for positioning the cable end plug in a circumferential direction of the connecting column, and the cable leading ends of the three cable assemblies are ensured to be close by positioning of the positioning fitting structure.

6. The socket according to any one of claims 1 to 4, wherein three inner connection terminals and three connection posts are provided, and 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 part and the inner connection terminal at the middle part are of an integral structure, and the other two connection posts and the inner connection terminals at both sides are respectively conductively connected through L-shaped conductive sheets.

7. The utility model provides a cable subassembly, characterized by, including cable and cable end plug, the one end of cable encapsulation in cable end plug is connected with binding post, cable end plug has the spliced pole male cavity grafting end that is used for supplying the socket, 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 has and is used for sealing up complex seal structure with socket shell, still be equipped with intercommunication cavity grafting end inner chamber and external revolving on the cable end plug and twist the operation mouth, cable end plug still includes the closing cap of seal installation at revolving operation mouth department.

8. The cable assembly of claim 7, wherein the cable end plug has a plug mating portion for mating with the receptacle housing, the sealing structure being disposed at the plug mating portion and circumferentially sealed from the receptacle housing.

9. The cable assembly of claim 8, wherein the sealing structure includes a sealing ring disposed on an outer peripheral surface of the hollow spigot end.

10. The cable assembly of claim 7, 8 or 9, wherein the screw operation opening is opposite the connection post insertion opening of the hollow insertion end.

Technical Field

The invention relates to the field of electric connection, in particular to a socket and a cable assembly matched with the socket.

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 a socket which is used for solving the problem that the traditional OT/UT terminal electric connection is inconvenient to seal; the invention also provides a cable assembly adapted to the socket, which is used for solving the problem that the traditional OT/UT terminal electric connection is inconvenient to seal.

The socket adopts the following technical scheme:

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 a cable assembly, and a sealing matching structure which is used for accommodating a wiring terminal connected with the cable and is used for inserting the connection column and is in sealing fit with a hollow insertion end connected with the wiring terminal is arranged on the socket shell.

When the socket is used, the connecting column is connected with the hollow plugging end of the cable assembly to realize conductive connection, and meanwhile, the socket shell is sealed with the hollow plugging end, so that dust and water prevention between the cable end plug and the socket of the cable assembly are realized, and further, the existing sealed connection similar to the OT/UT terminal in the electric connection process is realized.

Further, the receptacle housing has a receptacle insertion portion for insertion with a cable end plug of the cable assembly, and a seal fitting structure is provided at the receptacle insertion portion to seal circumferentially with the cable assembly. Therefore, the sealing matching surface can be made larger, and the sealing effect is better.

Furthermore, the socket shell is provided with a surrounding wall around the connecting column, and the inner circumferential surface of the surrounding wall forms the sealing matching structure.

Furthermore, a part of the surrounding wall is wound outwards in the radial direction to form a notch part matched with the radial convex part on the hollow plugging end, and the cable leading-out ends of the three cable assemblies are ensured to be close by the positioning matching of the notch part and the radial convex part. The cables of the three cable assemblies are gathered together and extend out of the shell more conveniently.

The socket shell is provided with a positioning matching structure used for positioning the cable end plug in the circumferential direction of the connecting column, and the cable leading-out ends of the three cable assemblies are ensured to be close to each other through the positioning of the positioning matching structure.

The connecting terminals are connected with the connecting columns in an L-shaped conductive sheet respectively. The arrangement mode is simple, and the direction 90-degree transformation of the incoming line end and the outgoing line end can be realized.

The cable assembly adopts the following technical scheme:

the cable subassembly includes cable and cable end plug, the one end of cable encapsulation in cable end plug is connected with binding post, cable end plug has the spliced pole male cavity grafting end that is used for supplying the socket, 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 has and is used for sealing up complex seal structure with socket shell, still be equipped with intercommunication cavity grafting end inner chamber and external revolving on the cable end plug and twist the operation mouth, cable end plug still twists the closing cap of operation mouth department including sealed installation.

When the cable assembly is used, the hollow insertion end is connected with the connecting column to realize conductive connection, meanwhile, the cable end plug and the socket shell are sealed, and the operation port of the screwing threaded connecting piece is also sealed by the sealing cover, so that the dust and water prevention between the cable end plug and the socket are realized, and further, the sealed connection in the prior similar OT/UT terminal electric connection is realized.

Further, the cable-end plug has a plug-insertion portion for insertion with the socket housing, and the seal structure is provided at the plug-insertion portion to seal with the socket housing in the circumferential direction. Therefore, the sealing matching surface can be made larger, and the sealing effect is better.

Still further, the sealing structure comprises a sealing ring arranged on the outer 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 screwing is convenient.

The sealing cover is buckled on the screwing operation opening through an elastic buckle. The installation of the sealing cover is more convenient.

The sealing cover is in sealing fit with the inner circumferential surface of the screwing operation opening. The sealing matching surface can be made larger, and the sealing effect is better.

The plane of the cable is perpendicular to the extending direction of the connecting column, the number of the cable assemblies is three, the outer wall of the hollow inserting end is provided with a radial convex part used for being matched with the socket shell in a positioning mode, and the radial convex part is matched with the socket shell in a positioning mode to ensure that the cable leading-out ends of the three cable assemblies are close to each other. The cables of the three cable assemblies are gathered together and extend out of the shell more conveniently.

Drawings

FIG. 1 is an exploded perspective view of the receptacle and cable assembly of the present invention in the mated configuration;

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

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

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 the socket of the present invention;

FIG. 6 is a perspective view of the socket of the present invention;

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 plug plugging direction;

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.

As shown in fig. 1, the socket includes a socket housing 1 for being fixedly connected to the electric equipment, a wiring unit is disposed on the socket housing 1, and the wiring unit includes an inner connection end for being electrically connected to the electric equipment and a connection post 11 for being connected to 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. The cable end plug 2 is connected to the socket in the direction indicated by the arrow in the figure.

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.

The hollow insertion end is connected with the connecting column to achieve 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 dust and water prevention between the cable end plug and the socket are achieved, and sealing connection during electric connection of the existing similar OT/UT terminal is achieved.

In the above embodiment, the outer peripheral surface of the hollow plugging end of the cable end plug is provided with the sealing ring to realize the sealing and inserting fit of the hollow plugging 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 of the cable end plug 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 plugging end of the cable end plug is plugged and matched with the socket housing, and the hollow plugging end is inserted into a space surrounded by the surrounding wall and sealed by the sealing ring at the plugging and matching 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 insertion end of the cable end plug 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 internal connection terminals inside the socket are perpendicular to the connection lines of the three connection posts, wherein the two connection posts are connected with the two internal connection 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 insertion end of the cable end plug is provided with the radial protrusion, 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, 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.