CN218498418U

CN218498418U - Power line protection structure of charging socket

Info

Publication number: CN218498418U
Application number: CN202222184984.6U
Authority: CN
Inventors: 沈阳林
Original assignee: Dongguan Jianli Electric Products Co ltd
Current assignee: Dongguan Jianli Electric Products Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-02-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a power cord protective structure of socket that charges, including socket main body and protection piece, socket main body's front end is equipped with power grafting end and signal grafting end, be equipped with the power supply terminal in the power grafting end, be equipped with signal terminal in the signal grafting end, socket main body's rear end face is equipped with holds just right storage tank with power grafting, the protection piece inlays to be located in the storage tank, and the shaping has the sleeve that the power supply line was worn out backward on the protection piece, the one end that sleeve cladding power cord or cladding power supply terminal and power cord are connected. The utility model discloses utilize the sleeve to keep apart power supply terminal or power cord and signal line completely, creepage distance between multiplicable signal terminal and the power supply terminal avoids signal terminal and power supply terminal to produce the short circuit or crosstalk, and the reliability is higher.

Description

Power line protection structure of charging socket

Technical Field

The utility model relates to a socket technical field charges, concretely relates to socket's that charges power cord protective structure.

Background

An electric vehicle, i.e. an electric drive vehicle, is divided into an ac electric vehicle and a dc electric vehicle, and generally speaking, an electric vehicle uses a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components so as to control the current magnitude to change the speed of the vehicle.

The charging socket on the market generally comprises a socket main body, a power line and a signal line, wherein one end of the socket main body is provided with a power plug end and a signal plug end, one end of the power line and one end of the signal line are respectively connected with the power plug end and the signal plug end, and the other end of the power line and the other end of the signal line extend out of the socket main body. In the prior art, a thermoplastic tube is sleeved on a signal terminal, glue is filled between the signal terminals, the glue is insulating epoxy resin, and due to the fact that creepage distance between the signal terminals or between the signal terminals and a power supply terminal is small, aging of the thermoplastic tube and the glue is easily caused by overhigh temperature rise for a long time, short circuit or crosstalk is generated between the signal terminals and the power supply terminal, and reliability is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide and fill the power cord protective structure of an electrical socket, it can increase the creepage distance between signal terminal and the power supply terminal, avoids signal terminal and power supply terminal to produce the short circuit or crosstalk, and the reliability is higher.

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

the utility model provides a power cord protective structure of socket that charges, includes socket principal, socket principal's front end is equipped with power grafting end and signal grafting end, be equipped with the power supply terminal in the power grafting end, be equipped with signal terminal in the signal grafting end, still includes the protection piece, socket principal's rear end face is equipped with the storage tank just right with power grafting end, the protection piece inlays to be located in the storage tank, and the shaping has the sleeve that the power cord worn out backward on the protection piece, sleeve cladding power cord or cladding power supply terminal and the one end that the power cord is connected.

As a preferred scheme, the front end of the socket main body is provided with a plug-in slot, and the power plug-in end and the signal plug-in end are both arranged in the plug-in slot.

As a preferred scheme, two power supply inserting ends are arranged in the inserting groove, power supply terminals are arranged in the two power supply inserting ends, the two power supply terminals are respectively connected with power supply wires, the number of the sleeves is two, and the two sleeves correspond to the two power supply wires one by one.

Preferably, the two sleeves are arranged at a certain interval, and the outer side walls of the two sleeves are integrally connected through a connecting rib.

Preferably, the sleeve is provided with a through hole for passing the power line out, and the front end of the through hole penetrates through the front end face of the protection piece.

As a preferred scheme, the left and right sides in the accommodating groove are both provided with limiting grooves, the left and right sides of the protection part are provided with limiting blocks corresponding to the limiting grooves, and the limiting blocks are embedded into the limiting grooves during assembly.

As a preferable scheme, a hook extending forwards is formed at the upper end of the protection part, an abdicating channel for the hook to extend into the insertion groove is arranged in the accommodating groove, the hook is provided with a hook portion extending towards the middle of the insertion groove, and one side surface of the hook, which is far away from the hook portion, is inclined and extends towards the middle of the insertion groove from back to front.

As an optimal scheme, the upper edge of the protection part is formed with a positioning convex block, a positioning groove matched with the positioning convex block is arranged in the accommodating groove, the clamping hook is arranged on the positioning convex block, the yielding channel is arranged in the positioning groove, and the positioning convex block is embedded in the positioning groove during assembly.

As a preferable scheme, an accommodating cavity is formed between the rear surface of the protection part and the opening edge at the rear end of the accommodating groove, and insulating sealing glue is poured into the accommodating cavity.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, through setting up the protection piece at the rear end of the socket main body, set up the sleeve on the protection piece, the sleeve coats the power cord or coats the one end that the power cord is connected with the power cord, utilizes the sleeve to completely isolate the power cord or power cord and signal line, can increase the creepage distance between signal terminal and the power cord, thus avoid signal terminal and power cord to produce short circuit or crosstalk, the reliability is high; the connecting ribs are arranged to connect the two sleeves, so that the strength of the sleeves is increased, and the deformation resistance of the sleeves in a high-temperature environment is improved; an accommodating cavity is formed between the rear surface of the protection piece and the opening edge at the rear end of the accommodating groove, and insulating sealing glue is poured into the accommodating cavity, so that the connection stability and the sealing performance of the protection piece and the socket main body are improved.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic view of an assembly structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of another assembly structure with another view angle according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the invention;

fig. 4 is a schematic view of a structure of a containing groove according to an embodiment of the present invention;

fig. 5 is a schematic view of a protection device according to an embodiment of the present invention.

Description of the figures:

10-socket main body 11-plug groove 12-power plug end

13-power supply terminal 14-signal plug terminal 15-signal terminal

16-power line 17-signal line 18-accommodating groove

181-limiting groove 19-positioning groove 191-abdicating channel

20-guard 21-sleeve 211-through hole

22-connecting rib 23-limiting block 24-positioning lug

25-hook 251-hook 26-containing cavity

27-insulating sealing compound.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the indicated position 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, the utility model discloses a power cord protection structure of charging socket, including socket main body 10 and protection piece 20, socket main body 10's front end is equipped with inserting groove 11, be equipped with power plug end 12 and signal plug end 14 in inserting groove 11, be equipped with power supply terminal 13 in the power plug end 12, be equipped with signal terminal 15 in the signal plug end 14, the rear end of signal terminal 15 wears out socket main body 10 rear end face and connects signal line 17, socket main body 10's rear end face is equipped with the storage tank 18 just right with power plug end 12, protection piece 20 inlays and locates in storage tank 18, and the shaping has the sleeve 21 that supplies power cord 16 to wear out on protection piece 20, sleeve 21 cladding power cord 16 or the one end that cladding power supply terminal 13 is connected with power cord 16, sleeve 21 has the one end that supplies power cord 16 to wear out through-hole 211, the front end of through-hole 211 runs through the front end of protection piece 20, be formed with holding cavity 26 between the rear surface of protection piece 20 and the opening border of storage tank 18 rear end, the insulating solid sealed glue 27 of pouring into, the holding cavity 26 has the insulating solid sealed glue, the solid sealed glue 27, epoxy.

Specifically, be equipped with two power grafting ends 12 in the inserting groove 11, two all be equipped with power supply terminal 13 in the power grafting end 12, two power supply terminal 13 is connected with power cord 16 respectively, sleeve 21 is equipped with two, two sleeve 21 and two power cord 16 one-to-ones, two the 21 intervals of sleeve set up, two connect through splice bar 22 integrated into one piece between the lateral wall of sleeve 21, connect two sleeves 21 through setting up splice bar 22, increase sleeve 21 intensity, improve sleeve 21 resistance to deformation under high temperature environment.

The left side and the right side in the accommodating groove 18 are both provided with a limiting groove 181, the left side and the right side of the protection part 20 are provided with limiting blocks 23 corresponding to the limiting grooves 181, and the limiting blocks 23 are embedded into the limiting grooves 181 during assembly.

The upper end of the protection component 20 is formed with a hook 25 extending forwards, the accommodating groove 18 is provided with a yielding channel 191 for the hook 25 to extend into the insertion groove 11, the hook 25 is provided with a hook portion 251 extending towards the middle of the insertion groove 11, a side surface of the hook 25 far away from the hook portion 251 extends obliquely from back to front towards the middle of the insertion groove 11, and a side surface of the hook 25 far away from the hook portion 251 extends obliquely from back to front towards the middle of the insertion groove 11, so that a movable space is formed between the upper surface of the hook 25 and the upper surface of the inner side of the yielding channel 191, the movable space can be used for the hook 25 to move up and down, when the plug is used, a clamping groove is arranged on the plug matched with the socket main body 10, when the plug is inserted into the socket main body 10, the hook 25 is clamped into the clamping groove to prevent the plug from being separated, and the plug is conveniently inserted into or pulled out of the socket.

The upper edge of the protection part 20 is formed with a positioning convex block 24, a positioning groove 19 matched with the positioning convex block 24 is arranged in the containing groove 18, the hook 25 is arranged on the positioning convex block 24, the yielding channel 191 is arranged in the positioning groove 19, the positioning convex block 24 is embedded in the positioning groove 19 during assembly, the positioning convex block 24 and the positioning groove 19 are arranged, assembly is facilitated, and assembly accuracy is improved.

In summary, the present invention is provided with the protection part 20 at the rear end of the socket main body 10, the sleeve 21 is provided on the protection part 20, the sleeve 21 covers the power line 16 or covers one end of the power terminal 13 connected with the power line 16, and the sleeve 21 is used to completely isolate the power terminal 13 or the power line 16 from the signal line 17, so that the creepage distance between the signal terminal 15 and the power terminal 13 can be increased, thereby avoiding short circuit or crosstalk between the signal terminal 15 and the power terminal 13, and having high reliability; the connecting ribs 22 are arranged to connect the two sleeves 21, so that the strength of the sleeves 21 is increased, and the deformation resistance of the sleeves 21 in a high-temperature environment is improved; an accommodating cavity 26 is formed between the rear surface of the shielding member 20 and the opening edge of the rear end of the accommodating cavity 18, and an insulating sealing compound 27 is filled in the accommodating cavity 26, so that the connection stability and the sealing property of the shielding member 20 and the socket main body 10 are improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a power cord protective structure of socket that charges, includes socket main body, socket main body's front end is equipped with power grafting end and signal grafting end, be equipped with the power supply terminal in the power grafting end, be equipped with signal terminal in the signal grafting end, its characterized in that still includes the protection piece, socket main body's rear end face is equipped with the storage tank just right with power grafting end, the protection piece inlays and locates in the storage tank, and the shaping has the sleeve that power supply line wore out backward on the protection piece, sleeve cladding power cord or the one end that cladding power supply terminal and power cord are connected.

2. The power cord protection structure for a charging outlet according to claim 1, wherein a plug-in slot is provided at the front end of the outlet body, and the power plug-in end and the signal plug-in end are both provided in the plug-in slot.

3. The power cord protection structure for a charging outlet according to claim 2, wherein two power plug terminals are disposed in the plug slot, each of the two power plug terminals has a power terminal, two power cords are connected to the two power terminals, and two sleeves are disposed, corresponding to the two power cords one by one.

4. The power cord protection structure for charging socket according to claim 3, wherein the two sleeves are spaced apart from each other, and the outer side walls of the two sleeves are integrally connected to each other by a connecting rib.

5. The power cord protection structure for a charging outlet according to claim 1, wherein the sleeve has a through hole through which the power cord passes, and a front end of the through hole penetrates a front end surface of the protection member.

6. The power cord protection structure of a charging outlet according to claim 1, wherein a limiting groove is provided on each of the left and right sides of the receiving groove, and a limiting block corresponding to the limiting groove is provided on each of the left and right sides of the protection member, and the limiting blocks are embedded in the limiting grooves when assembled.

7. The power cord protection structure for a charging outlet according to claim 1, wherein a hook extending forward is formed at an upper end of the protection member, a relief passage is provided in the accommodation groove for the hook to extend into the insertion groove, the hook has a hook portion extending toward a middle portion of the insertion groove, and a side surface of the hook away from the hook portion extends obliquely from back to front toward the middle portion of the insertion groove.

8. The power cord protection structure of claim 7, wherein a positioning protrusion is formed on an upper edge of the protection member, a positioning groove adapted to the positioning protrusion is disposed in the accommodating groove, the hook is disposed on the positioning protrusion, the receding channel is disposed in the positioning groove, and the positioning protrusion is embedded in the positioning groove during assembly.

9. The power cord protection structure of a charging socket as claimed in any one of claims 1 to 8, wherein a receiving cavity is formed between the rear surface of the protection member and the opening edge at the rear end of the receiving cavity, and the receiving cavity is filled with an insulating sealing compound.