CN215955651U - Extension socket - Google Patents

Abstract

The utility model provides a power strip which is connected with a power line, wherein the power line is provided with an end connection structure, the end connection structure is fixedly connected with the power strip, the power strip comprises a shell, the shell comprises an upper shell and a lower shell, the upper shell comprises an upper shell surface and an upper shell side plate, the lower shell comprises a lower shell surface and a lower shell side plate, the upper shell and the lower shell are covered, the upper shell side plate and the lower shell side plate are mutually spliced to form a shell side plate, and a mounting hole is formed in the shell side plate; the end socket wiring structure is provided with a first end plate, the shape of the mounting hole is consistent with that of the first end plate, and the first end plate is embedded in the mounting hole so as to limit the rotation of the power circuit; the shell is internally provided with a fixing structure for fixing the end socket wiring structure, and the fixing structure is used for limiting the front and back movement of the power circuit. The shell for the extension socket directly fixes the power circuit, and has the advantages of simple structure and convenience in assembly.

Description

Extension socket

Technical Field

The utility model relates to the technical field of electrical connectors, in particular to a socket.

Background

The extension socket is an electrical connector which is provided with a power circuit and is provided with more than one socket with circuit wiring and into which various wiring of other equipment can be inserted. The power strip in the market at present uses independent tension disc to lock the tail of the power circuit so as to fix the power circuit on the shell, and the power circuit is separated from the socket hole independently.

When the row is inserted into the assembly, the power line is fixed on the line pressing plate after the lines inside the row are connected, and then the upper cover plate and the lower cover plate of the row are fixed by the positioning holes. Due to the design, a process of installing the line pressing plate is needed in the assembly process of the extension socket, and the assembly is inconvenient. Further, the process of mounting the tension disc has problems of high component cost and high assembly cost.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to overcome the defects of the prior art, the present invention provides a patch board which is convenient to assemble.

Specifically, the extension socket is connected with a power circuit, the power circuit is provided with an end connection structure, the end connection structure is fixedly connected with the extension socket, the extension socket comprises a shell, the shell comprises an upper shell and a lower shell, the upper shell comprises an upper shell surface and an upper shell side plate, the lower shell comprises a lower shell surface and a lower shell side plate, the upper shell and the lower shell cover, the upper shell side plate and the lower shell side plate are mutually spliced to form a shell side plate, and the shell side plate is provided with a mounting hole;

the end socket wiring structure is provided with a first end plate, the shape of the mounting hole is consistent with that of the first end plate, and the first end plate is embedded in the mounting hole so as to limit the rotation of the power circuit; and a fixing structure for fixing the end socket wiring structure is further arranged in the shell and used for limiting the front and back movement of the power circuit.

The mounting hole is formed by splicing a first clamping groove and a second clamping groove, the first clamping groove is formed in the upper shell side plate, and the second clamping groove is formed in the lower shell side plate.

In some embodiments, the opening of the first card slot is shaped to conform to the opening of the second card slot; or the opening of the first card slot and the opening of the second card slot are different in shape. For example: the opening of the first clamping groove is opened from the upper shell to the edge direction of the upper shell side plate, and the opening of the second clamping groove is contracted from the lower shell to the edge direction of the lower shell side plate; or the opening of the first clamping groove is contracted from the upper shell to the edge direction of the upper shell side plate, and the opening of the second clamping groove is opened from the lower shell to the edge direction of the lower shell side plate. The mounting hole of this kind of structure needs the installation angle of distinguished power supply line when the equipment row inserts, can play the effect of preventing slow-witted.

Preferably, the shell is sleeved outside the shell. The power circuit and the plug seat hole site can be integrally formed into a module by the extension socket, and the extension socket can be assembled into different shells for use.

The fixing structure comprises a first wire groove arranged in the upper shell and a second wire groove arranged in the lower shell, the first wire groove and the second wire groove correspond in position, an opening of the first wire groove is provided with an inclined plane shrinking towards the upper shell surface, and an opening of the second wire groove is an arc surface; or the opening of the first wire groove is an arc surface, and the opening of the second wire groove is provided with an inclined surface contracting towards the lower shell surface. The design of inclined plane can be with the conductor line pressfitting ground of power supply line tighter when epitheca and lower shell lid to avoid the poor condition of electrically conducting to appear. Preferably, when the opening of the first wire groove has an inclined surface, the opening of the first wire groove is trapezoidal, or when the opening of the second wire groove has an inclined surface, the opening of the second wire groove is trapezoidal.

Further, the edge of the opening of the first wire groove and/or the edge of the opening of the second wire groove are sharp edges, and the sharp edges are meshed with the end head wiring structure. The forward and backward movement of the power supply line can be restricted.

In order to prevent the fixing structure from loosening or the wire from being bent and broken in the using process, the wire fixing device further comprises a second end plate, the second end plate and the first end plate are arranged at intervals, a neck is formed between the first end plate and the second end plate, and the second end plate is abutted to the shell.

In some embodiments, the upper shell and the lower shell are fixed by a bolt structure: the inner side of the upper shell is provided with a threaded hole column; and/or the inner side of the lower shell is provided with a threaded hole column.

The extension socket provided by the utility model has the following beneficial effects: the power circuit is directly fixed by the shell of the extension socket, and compared with the prior art, the power circuit fixing device has the advantages that a wire pressing plate is omitted, the problems that in the prior art, when an independent wire pressing plate is used for fixing the power circuit, required parts are more, and the assembly is troublesome are solved, the parts are saved, the assembly process is simplified, and the cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the socket of the present invention;

FIG. 2 is a schematic structural diagram of the extension socket of the present invention;

FIG. 3 is a schematic structural diagram of another state of the power strip of the present invention;

FIG. 4 is a schematic structural diagram of a housing of the extension socket of the present invention;

FIG. 5 is a schematic structural diagram of an upper housing of the extension socket of the present invention;

fig. 6 is a structural view of a lower case of the extension socket of the present invention;

fig. 7 is a schematic structural view of an assembled state of the extension socket of the embodiment.

Reference numerals:

1-a shell; 11-upper shell; 111-upper shell face; 112-upper shell side plate; 12-a lower shell; 121-lower shell surface; 122-lower shell side plate; 13-a threaded hole column; 14-a plug-in hole column; 15-a plug column; 2-a power supply line; 21-a first end plate; 22-a second end plate; 23-a neck portion; 3-mounting holes; 31-a first card slot; 32-a second card slot; 41-a first projection; 42-a second projection; 5-a wire groove; 51-a first wire chase; 52-a second wire chase; 6-sharp edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a power strip convenient to assemble, wherein an end socket wiring structure is arranged on a power line, the end socket wiring structure is fixedly connected with the power strip, and the power line is positioned through the matching of a power strip shell and the end socket wiring structure.

Referring to fig. 1 to 3, the socket hole structure of the patch board for extension socket includes a housing 1 and a power line disposed in a receiving space formed by the housing 1, and a power line 2 extends into the housing 1 from one side of the housing 1 and is connected with the power line in the housing 1. The shell 1 is provided with a mounting hole 3, and the mounting hole 3 is used for the power supply circuit 2 to pass through and positioning the power supply circuit 2.

Casing 1 includes epitheca 11 and inferior valve 12, and epitheca 11 and inferior valve 12 lid close and form shell structure, and is fixed or fix through the joint structure through bolt construction between epitheca 11 and the inferior valve 12. The upper shell 11 includes an upper shell surface 111 and an upper shell side plate 112, the lower shell 12 includes a lower shell surface 121 and a lower shell side plate 122, and the upper shell side plate 112 and the lower shell side plate 122 are spliced with each other to form a shell side plate. When the upper shell 11 and the lower shell 12 are fixed by a bolt structure, the inner side of the upper shell 11 or the inner side of the lower shell 12 is provided with a threaded hole column 13, or the inner side of the upper shell 11 and the inner side of the lower shell 12 are correspondingly provided with the threaded hole column 13. Preferably, a positioning structure is further provided, and at least two groups of positioning structures are provided. During the assembly, through the relative position between 11 and the inferior valve 12 of location structure location epitheca, make epitheca 11 and inferior valve 12 lid close more accurately, screw hole post 13 can not take place the skew, the mounting screw of being convenient for to fix epitheca 11 and inferior valve 12. In this embodiment, the inner side of the lower shell 12 is provided with a threaded hole column 13 and a plug hole column 14, the inner side of the upper shell 11 is provided with a threaded hole column 13 corresponding to the position of the threaded hole column 13, a plug column 15 corresponding to the position of the plug hole column 14, and the plug hole column 14 and the plug column 15 form a positioning structure. The upper shell surface 111 or the lower shell surface 121 is provided with a through hole corresponding to the threaded hole column 13, the diameters of the inner rings of the threaded hole columns 13 arranged on the upper shell 11 and the lower shell 12 are equal, and the diameter of the plug-in column 15 is equal to the diameter of the inner ring of the plug-in hole column 14. During assembly, the plug-in post 15 is inserted into the plug-in hole post 14 to position the relative position between the upper shell 11 and the lower shell 12, so that the cover between the upper shell 11 and the lower shell 12 is more accurate, the threaded hole post 13 between the upper shell 11 and the lower shell 12 cannot deviate, and the screw can be conveniently installed.

In some embodiments, the locating feature is provided at the end of the threaded bore post 13. Specifically, the end of the threaded hole column 13 inside the upper shell 11 may be provided with an insertion groove, the diameter of the notch of the insertion groove at the end of the corresponding threaded hole column 13 is equal to the diameter of the outer ring of the threaded hole column 13 inside the lower shell 12, and the diameter of the inner ring of the corresponding threaded hole column 13 is equal. During assembly, the threaded hole column 13 on the inner side of the lower shell 12 is inserted into the insertion groove for positioning, so that screws can be conveniently installed. Alternatively, a plug groove may be provided at the end of the screw hole post 13 inside the lower case 12.

In a specific embodiment, the side plate of the shell is provided with a mounting hole 3, the terminal connection structure is provided with a first end plate 21, the shape of the mounting hole 3 is consistent with that of the first end plate 21, and the first end plate 21 is embedded in the mounting hole 3. In this embodiment, the mounting hole 3 is formed by splicing a first card slot 31 and a second card slot 32, the first card slot 31 is formed on the upper shell side plate 112, the second card slot 32 is formed on the lower shell side plate 122, the first card slot 31 corresponds to the second card slot 32 in position, and the first card slot 31 and the second card slot 32 are combined to form the mounting hole 3 for the power line 2 to pass through.

In the assembled state of the extension socket, the first end plate 21 is embedded in the mounting hole 3, specifically, the shape and size of the first end plate 21 are the same as those of the mounting hole 3, and the first end plate 21 is tightly attached to the mounting hole 3 to be fixed by the mounting hole 3, so as to limit the rotation of the power circuit 2.

The mounting holes 3 can have a variety of different specific configurations: the openings of the first card slot 31 and the second card slot 32 may be the same in shape, and the sides of the first card slot 31 and the second card slot 32 are straight structures; or, the opening of the first card slot 31 is opened from the upper shell surface 111 to the edge direction of the upper shell side plate 112, and the opening of the second card slot 32 is opened from the lower shell surface 121 to the edge direction of the lower shell side plate 122, and the mounting hole 3 of this structure facilitates the mounting of the power supply circuit 2 during the assembly of the extension socket. The opening shapes of the first card slot 31 and the second card slot 32 may be different, for example: the opening of the first card slot 31 is opened from the upper shell surface 111 to the edge direction of the upper shell side plate 112, the opening of the second card slot 32 is opened from the lower shell surface 121 to the edge direction of the lower shell side plate 122, and the opening sizes of the first card slot 31 and the second card slot 32 are different; or, the opening of the first card slot 31 is contracted from the upper shell surface 111 to the edge direction of the upper shell side plate 112, and the opening of the second card slot 32 is opened from the lower shell surface 121 to the edge direction of the lower shell side plate 122; alternatively, the opening of the first card slot 31 is opened from the upper case surface 111 toward the edge of the upper case side plate 112, and the opening of the second card slot 32 is contracted from the lower case surface 121 toward the edge of the lower case side plate 122.

When the first card slot 31 is in a contracted structure, one side of the first end plate 21 corresponding to the upper shell 112 moves from the outer side of the upper shell side plate to the inner side of the upper shell 11 during assembly and socket insertion so as to be inserted into the first card slot 31, and then the upper shell 11 and the lower shell 12 are covered to complete assembly and fixation between the shell 1 and the power circuit 2. The mounting hole 3 of this kind of structure needs the installation angle of distinguished power supply line 2 when the equipment row is inserted, can play the effect of preventing slow-witted.

In order to prevent the fixing structure from loosening or the wire from being bent and broken during use, the terminal connection structure further comprises a second end plate 22, the first end plate 21 and the second end plate 22 are arranged at intervals, a neck portion 23 is formed between the first end plate 21 and the second end plate 22, and the second end plate 22 is abutted to the shell 1. Preferably, the junction of the second end plate 22 and the conductor line of the power supply line 2 forms a rounded structure. The side plate of the shell may have a certain thickness, and the first end plate 21 extends into the mounting hole to be fixed, and then the second end plate 22 abuts against the side plate of the shell 1.

In some embodiments, projections are provided on both sides of the mounting hole 3 on the outer side of the case side plate. Specifically, on the outer side of the upper shell side plate 112, the first protrusions 41 are disposed on two sides of the first slot 31, and on the outer side of the lower shell side plate 122, the second protrusions 42 are disposed on two sides of the second slot 32, the positions of the first protrusions 41 and the second protrusions 42 correspond, the heights of the first protrusions 41 and the second protrusions 42 are equal to the width of the neck portion 23, and the first protrusions 41 and the second protrusions 42 abut against the second end plate 22.

In the present embodiment, the first end plate 21 is a rectangular-like structure with circular arcs at both ends in the length direction, the mounting hole 3 is matched with the first end plate, and the circular arc structure of the first end plate 21 enables assembly without a right angle and is easier to insert into the mounting hole 3. In other embodiments, both ends of the first end plate 21 in the length direction may be triangular, polygonal, or the like. The first end plate 21 has a thickness greater than the thickness of the upper and lower shell side plates 112 and 122, the second end plate 22 has a circular shape with a diameter equal to the length of the first end plate 21, and the first and second protrusions 41 and 42 have curved edges whose contour matches the contour of the second end plate 22. In the assembled state of the block, a side surface of the first end plate 21 forms a plane with the upper case side plate 112 and the lower case side plate 122, the first end plate 21 partially extends into the housing 1, and the second end plate 22 abuts against the first protrusion 41 and the second protrusion 42.

Referring to fig. 4 to 6, based on the above structure, a fixing structure for fixing the terminal wiring structure may be further provided inside the housing 1 to restrict the forward and backward movement of the power supply line 2. In the present embodiment, a wire slot 5 is provided in the housing 1, and the wire slot 5 is used to make the power supply line 2 extend into the housing 1. Preferably, the wire chase 5 has a certain width in the extending direction of the power supply line 2, or the wire chase 5 is provided with two identical plates in parallel in the extending direction of the power supply line 2. Specifically, a first wire groove 51 is formed in the upper case 11, a second wire groove 52 is formed in the lower case 12, and the first wire groove 51 and the second wire groove 52 correspond in position. Openings for the power supply circuit 2 to pass through are arranged on the first wire slot 51 and the second wire slot 52, the opening of the first wire slot 51 is provided with an inclined plane shrinking towards the upper shell surface 111, and the opening of the second wire slot 52 is an arc surface; or, the opening of the second wire groove 52 has an inclined surface contracting towards the lower shell surface 121, and the opening of the first wire groove 51 is an arc surface. The design on inclined plane can be tighter with end wiring structure pressfitting when epitheca 11 and inferior valve 12 lid to fix end wiring structure, and avoid the condition of poor conductivity to appear. Preferably, when the opening of the first wire housing 51 has a slope, the opening of the first wire housing 51 is trapezoidal, and when the opening of the second wire housing 52 has a slope, the opening of the second wire housing 52 is trapezoidal.

In the present embodiment, the opening on the first wire duct 51 is set to be trapezoidal, the opening on the second wire duct 52 is set to be arc-shaped, the trapezoidal opening and the arc-shaped opening correspond in position, and the power line 2 can pass through the openings in the extension socket combination state.

Referring to the attached figure 7 of the specification, the edge of the wire slot is a sharp edge 6, and when the upper shell 11 and the lower shell 12 are covered, the sharp edge 6 of the wire slot 5 is meshed with the terminal wiring structure, so that a good conductive contact effect is formed, and the forward and backward movement of the power circuit 2 can be limited.

In some embodiments, the inner conductor of the power line 2 passes out of the termination structure and the pointed edge 6 engages the inner conductor of the power line 2.

The upper shell 11 of the extension socket is also provided with jacks, and the shell 1 is also internally provided with elastic pieces which are electrically connected with the conductor wires of the power circuit 2.

The extension socket of the utility model can also comprise a shell, and the shell is sleeved outside after the upper shell 11 and the lower shell 12 are covered to form the shell 1 structure. The power line 2 and the plug seat hole site can be integrally formed into a module by the row socket of the utility model and assembled into different shells for use. Preferably, the shell is correspondingly provided with a through hole so that one side surface of the shell is clamped on the neck portion 23, and the whole assembly structure of the extension socket is more stable.

In summary, the utility model provides a power strip with a power line directly fixed by a shell of the power strip, which eliminates a line pressing plate compared with the prior art, solves the problems of more parts and troublesome assembly caused by the use of a single line pressing plate for fixing the power line in the prior art, saves the parts, simplifies the assembly process and saves the cost.

The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and various modifications other than the above-mentioned embodiments may be made, and the technical features of the above-mentioned embodiments may be combined with each other, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A power strip is connected with a power line, the power line is provided with an end connection structure, and the end connection structure is fixedly connected with the power strip;

the end socket wiring structure is provided with a first end plate, and the first end plate is embedded in the mounting hole to limit the rotation of the power circuit;

and a fixing structure for fixing the end socket wiring structure is further arranged in the shell and used for limiting the front and back movement of the power circuit.

2. The extension socket of claim 1, wherein the mounting hole is formed by splicing a first clamping groove and a second clamping groove, the first clamping groove is formed on the upper shell side plate, and the second clamping groove is formed on the lower shell side plate.

3. The extension socket of claim 2, wherein the opening of the first card slot is shaped to conform to the opening of the second card slot;

or the opening of the first card slot and the opening of the second card slot are different in shape.

4. A multi-row socket according to claim 3, wherein the opening of the first card slot is opened from the upper case toward the edge of the upper case side plate, and the opening of the second card slot is contracted from the lower case toward the edge of the lower case side plate;

or the opening of the first clamping groove is contracted from the upper shell to the edge direction of the upper shell side plate, and the opening of the second clamping groove is opened from the lower shell to the edge direction of the lower shell side plate.

5. The patch panel of claim 1, further comprising a housing, the housing being disposed about the exterior of the housing.

6. The extension socket of claim 1, wherein the fixing structure comprises a first slot disposed in the upper shell and a second slot disposed in the lower shell, the first slot and the second slot correspond in position, an opening of the first slot has an inclined surface converging toward the upper shell surface, and an opening of the second slot is an arc surface;

or the opening of the first wire groove is an arc surface, and the opening of the second wire groove is provided with an inclined surface contracting towards the lower shell surface.

7. The extension socket of claim 6, wherein an edge of the opening of the first wire slot and/or the opening of the second wire slot is a pointed edge that engages the terminal wiring structure.

8. The extension socket of claim 6, wherein when the opening of the first wire slot has a slope, the opening of the first wire slot is trapezoidal;

when the opening of the second wire groove is provided with an inclined surface, the opening of the second wire groove is trapezoidal.

9. The patch panel of claim 1, further comprising a second end plate spaced from the first end plate, the first end plate and the second end plate forming a neck therebetween, the second end plate abutting the housing.

10. The extension socket of claim 1, wherein the inner side of the upper shell is provided with a threaded bore post;

and/or the inner side of the lower shell is provided with a threaded hole column.

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