A charging socket with high protection

Abstract

The application discloses a charging socket with high protection, which comprises a socket main body, a power supply plug-in end and a signal plug-in end are arranged at the front end of the socket main body, power supply terminals are arranged in the power supply plug-in end, signal terminals are arranged in the signal plug-in end, and the charging socket is characterized in that the charging socket further comprises a first protection member and a second protection member, the first protection member and the second protection member are connected with the rear end of the socket main body, a sleeve for the power supply line to pass out rearward is arranged on the first protection member, the sleeve covers the power supply line or covers one end of the power supply terminal connected with the power supply line, a plurality of partitions are arranged on the second protection member at intervals, the partitions are inserted between two adjacent signal terminals to separate the signal terminals from each other, a clamping structure is arranged between the second protection member and the first protection member, and the clamping structure limits the first protection member from being pulled out of the socket main body. The application increases the creepage distance between the signal terminals or between the signal terminals and the power supply terminals, and avoids crosstalk between the signal terminals or short circuit between the signal terminals and the power supply terminals.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of charging socket, in particular to a charging socket with high protection. BACKGROUND

[0002] Electric vehicles, namely electric power driven vehicles, are divided into alternating current electric vehicles and direct current electric vehicles. The commonly said electric vehicles are vehicles that take batteries as energy sources, convert electric energy into mechanical energy movement through controllers and motors, and change the speed by controlling the current size.

[0003] The charging socket on the market is generally composed of a socket body, a power line and a signal line. One end of the socket body is provided with a power plug end and a signal plug end. One end of the power line and the signal line is connected with the power plug end and the signal plug end respectively, and the other end extends out of the socket body. In the prior art, a thermoplastic tube is sleeved on the signal terminal, and glue is filled between the signal terminals. The glue refers to insulating epoxy resin. Since the creepage distance between the signal terminals or between the signal terminals and the power terminals is small, long time high temperature rise can easily cause the thermoplastic tube and the glue to age, resulting in crosstalk between the signal terminals or short circuit with the power terminals, and low reliability. SUMMARY

[0004] The present application provides a charging socket with high protection, which can increase the creepage distance between the signal terminals or between the signal terminals and the power terminals, and avoid crosstalk between the signal terminals or short circuit with the power terminals.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The utility model provides a charging socket with high protection, including the socket main part, the front end of socket main part is equipped with power supply joint end and signal joint end, is equipped with power supply terminal in the power supply joint end, is equipped with signal terminal in the signal joint end, still includes first protection piece and second protection piece, first protection piece and second protection piece all are connected with the rear end of socket main part, be equipped with the sleeve that the power cord passes out on first protection piece, the sleeve covers power cord or covers the one end of power supply terminal and power cord connection, the second protection piece is equipped with a plurality of baffle at interval, the baffle inserts between adjacent two signal terminals and separates signal terminal each other, be equipped with the detent structure between first protection piece and second protection piece, the detent structure restricts first protection piece to pull out socket main part, through setting up first protection piece and second protection piece, set up the sleeve on first protection piece, the sleeve covers power cord or covers the one end of power supply terminal and power cord connection, the sleeve can increase the creepage distance between signal terminal and power supply terminal and completely isolates power supply terminal or power cord with signal line, and a plurality of baffles are equipped at interval on the second protection piece, and the baffle inserts between adjacent two signal terminals and separates signal terminal each other, can increase the creepage distance between signal terminal, thereby avoiding the crosstalk between signal terminal or short circuit with power supply terminal, high reliability.

[0007] As a preferred scheme, the detent structure includes a limiting column and a limiting groove matched with the limiting column, the limiting groove is arranged on the left and right sides of the first protection piece, and the limiting column is arranged on the left and right sides of the second protection piece. When assembled, one end of the limiting column extends into the limiting groove to restrict the first protection piece from being pulled out of the socket main body.

[0008] As a preferred scheme, the second protection piece is arranged in a U shape, and the second protection piece includes a top plate and left and right side plates extending downward from the left and right side edges of the top plate. The top plate, the left side plate and the right side plate surround a U-shaped groove, and the baffle is arranged in the U-shaped groove and connected with the lower surface of the top plate.

[0009] As a preferred scheme, the left and right sides of the first protection piece are respectively provided with a left groove and a right groove corresponding to the left and right side plates. When assembled, the lower ends of the left and right side plates are respectively embedded in the left and right grooves.

[0010] As a preferred scheme, the inner side of the lower end of the left and right side plates is recessed with a missing groove, the missing groove on the left side plate penetrates the front and rear end faces of the left side plate, and the inner wall surface of the left and right grooves is provided with a convex part matched with the missing groove. When assembled, the convex part is embedded in the missing groove.

[0011] As a preferred scheme, the rear end of the socket body is provided with a second accommodating groove opposite to the signal plug end, and the left and right sides of the second accommodating groove are provided with clamping grooves, the second accommodating groove and the clamping grooves penetrate the upper surface of the socket body upwards, the left and right sides of the second protective member are provided with clamping plates corresponding to the clamping grooves, and the limiting columns are arranged at the lower ends of the clamping plates.

[0012] As a preferred scheme, the rear end of the socket body is further provided with a first accommodating groove opposite to the power plug end, the first accommodating groove is communicated with the second accommodating groove, and the left and right sides of the first accommodating groove are provided with positioning recesses, the left and right sides of the first protective member are provided with positioning protrusions corresponding to the positioning recesses, and the positioning protrusions are embedded in the positioning recesses during assembly.

[0013] As a preferred scheme, the upper surface of the front end of the top plate is formed with a connecting plate, the left and right ends of the connecting plate are integrally connected with the corresponding clamping plates respectively, and the rear surface of the connecting plate is recessed with a recessed groove.

[0014] As a preferred scheme, the front end surface of the socket body is provided with a plug groove, and the power plug end and the signal plug end are arranged in the plug groove.

[0015] As a preferred scheme, a accommodating cavity is formed between the first protective member and the second protective member, and the accommodating cavity is filled with insulating solid sealing glue covering the signal terminals.

[0016] Compared with the prior art, the present application has obvious advantages and beneficial effects, specifically, by arranging the first protective member and the second protective member, arranging the sleeve on the first protective member, covering the power cord or the end of the power terminal connected with the power cord, completely isolating the power terminal or the power cord from the signal cord by the sleeve, increasing the creepage distance between the signal terminal and the power terminal, arranging multiple partitions on the second protective member at intervals, inserting the partitions between the two adjacent signal terminals to separate the signal terminals from each other, and increasing the creepage distance between the signal terminals, thereby avoiding short circuit between the signal terminals and the power terminals, and improving the reliability; by arranging the clamping structure between the first protective member and the second protective member, limiting the first protective member from being pulled out of the socket body by the clamping structure, and ensuring the connection stability of the first protective member and the socket body; by arranging the left groove and the right groove on the left and right sides of the first protective member respectively, embedding the left plate and the right plate of the second protective member in the left groove and the right groove respectively during assembly, and avoiding the overflow of the glue during the injection of the glue.

[0017] To make the structure, technical means and achieved purposes and functions of the present application clearer, the present application will be further described in detail below with reference to the drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is an assembled structure schematic diagram of an embodiment of the present application;

[0019] Figure 2 is another perspective assembled structure schematic diagram of an embodiment of the present application;

[0020] Figure 3 is a rear view of an embodiment of the present application;

[0021] Figure 4 is a cross-sectional schematic diagram of an embodiment of the present application;

[0022] Figure 5 is an exploded schematic diagram of a socket body, a first protective member and a second protective member of an embodiment of the present application;

[0023] Figure 6 is an assembled schematic diagram of a first protective member and a second protective member of an embodiment of the present application.

[0024] Explanation of the attached drawings:

[0025] 10 - socket body 11 - plug slot 12 - power plug end

[0026] 13 - power terminal 14 - signal plug end 15 - signal terminal

[0027] 16 - power line 17 - signal line 20 - first protective member

[0028] 19 - first accommodating groove 191 - positioning recess 18 - second accommodating groove

[0029] 181 - clamping groove 21 - sleeve 22 - connecting rib

[0030] 23 - limiting groove 24 - left groove 25 - right groove

[0031] 26 - protruding part 27 - accommodating cavity 28 - insulating sealing glue

[0032] 30 - second protective member 31 - partition plate 32 - top plate

[0033] 33 - left side plate 34 - right side plate 35 - U-shaped groove

[0034] 36 - missing groove 37 - limiting column 38 - clamping plate

[0035] 39 - connecting plate 40 - clearance groove DETAILED DESCRIPTION

[0036] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] As shown in Figures 1-6 The present application discloses a charging socket with high protection, comprising a socket body 10, a first protection piece 20 and a second protection piece 30, the front end face of the socket body 10 is provided with a plug-in slot 11, two power plug-in ends 12 and a signal plug-in end 14 are arranged in the plug-in slot 11, power terminals 13 are arranged in the two power plug-in ends 12 respectively, power lines 16 are connected to the two power terminals 13 respectively, a signal terminal 15 is arranged in the signal plug-in end 14, one end of the signal terminal 15 connected with a signal line 17 extends backward through the rear end face of the socket body 10, the first protection piece 20 and the second protection piece 30 are connected with the rear end of the socket body 10, a sleeve 21 for the power line 16 to extend backward is arranged on the first protection piece 20, the sleeve 21 covers the power line 16, a plurality of partitions 31 are arranged on the second protection piece 30 at intervals, the partitions 31 are inserted between adjacent two signal terminals 15 to separate the signal terminals 15 from each other, a clamping structure is arranged between the first protection piece 20 and the second protection piece 30, the clamping structure limits the first protection piece 20 from being pulled out of the socket body 10.

[0039] The sleeve 21 is provided with two, the two sleeves 21 correspond to the two power lines 16 one by one, a connecting rib 22 is arranged between the outer side walls of the two sleeves 21, the connecting rib 22 is integrally connected with the first sleeve 21 and the second sleeve 21, the two sleeves 21 are connected through the connecting rib 22, the strength of the sleeve 21 is increased, and the deformation resistance of the sleeve 21 in a high temperature environment is improved.

[0040] It should be noted that the sleeve 21 of the present application covers the power line 16, and can also cover one end of the power terminal 13 connected with the power line 16.

[0041] The clamping structure comprises a limiting column 37 and a limiting groove 23 matched with the limiting column 37, the left and right sides of the first protective piece 20 are each provided with the limiting groove 23, the left and right sides of the second protective piece 30 are each provided with the limiting column 37, and one end of the limiting column 37 extends into the limiting groove 23 to limit the first protective piece 20 from being pulled out of the socket body 10.

[0042] The second protective piece 30 is arranged in a U shape, the second protective piece 30 comprises a top plate 32 and a left side plate 33 and a right side plate 34 extending downward from the left and right side edges of the top plate 32, a U-shaped groove 35 is formed between the top plate 32, the left side plate 33 and the right side plate 34, and the partition plate 31 is arranged in the U-shaped groove 35 and is integrally connected with the lower surface of the top plate 32. By adopting the U-shaped second protective piece 30, the second protective piece 30 is composed of the top plate 32, the left side plate 33 and the right side plate 34, and the partition plate 31 is integrally connected with the lower surface of the top plate 32, so that the second protective piece 30 is easy to be formed, the structure is simple, and the second protective piece 30 is convenient to assemble to the socket body 10.

[0043] The left and right sides of the first protective piece 20 are respectively provided with a left groove 24 and a right groove 25 corresponding to the left side plate 33 and the right side plate 34, and the lower ends of the left side plate 33 and the right side plate 34 are respectively embedded in the left groove 24 and the right groove 25 during assembly.

[0044] The inner side of the lower end of the left side plate 33 and the right side plate 34 is recessed with a missing groove 36, the missing groove 36 on the left side plate 33 penetrates the front and rear end faces of the left side plate 33, the inner wall surface of the left groove 24 and the right groove 25 is provided with a convex part 26 matched with the missing groove 36, and the convex part 26 is embedded in the missing groove 36 during assembly.

[0045] The rear end of the socket body 10 is provided with a second accommodating groove 18 opposite to the signal plug end 14, and the left and right sides in the second accommodating groove 18 are provided with clamping grooves 181, the second accommodating groove 18 and the clamping grooves 181 both penetrate the upper surface of the socket body 10 upward, the left and right sides of the second protective piece 30 are provided with clamping plates 38 corresponding to the clamping grooves 181 one by one, the limiting column 37 is arranged at the lower end of the clamping plate 38, and the clamping plate 38 is matched with the clamping groove 181 to enable the second protective piece 30 to be clamped into the second accommodating groove 18 from top to bottom; by arranging the second accommodating groove 18 opposite to the signal plug end 14 at the rear end of the socket body 10, arranging the clamping grooves 181 in the left and right sides in the second accommodating groove 18, and penetrating the upper surface of the socket body 10 by the second accommodating groove 18 and the clamping grooves 181, arranging the clamping plates 38 at the left and right sides of the second protective piece 30, and clamping the second protective piece 30 into the second accommodating groove 18 from top to bottom during assembly, the assembly is convenient and the assembly efficiency is high.

[0046] The rear end of the socket body 10 is also provided with a first accommodating groove 19 opposite to the power plug end 12, the first accommodating groove 19 is communicated with the second accommodating groove 18, the left and right sides of the first accommodating groove 19 are provided with positioning recesses 191, the left and right sides of the first protective piece 20 are provided with positioning protrusions corresponding to the positioning recesses 191, and the positioning protrusions are embedded in the positioning recesses 191 during assembly.

[0047] The upper surface of the front end of the top plate 32 is formed with a connecting plate 39, the left and right ends of the connecting plate 39 are integrally connected with corresponding clamping plates 38 respectively, and the rear surface of the connecting plate 39 is recessed with a giving slot 40, and by arranging the giving slot 40, the second protective piece 30 can be pulled out of the socket body 10 by using a hard object to extend into the giving slot 40 to lift the second protective piece 30 during the assembly process of the second protective piece 30.

[0048] The first protective piece 20 and the second protective piece 30 form an accommodating cavity 27, the accommodating cavity 27 is filled with insulating sealing glue 28 for covering the signal terminal 15, the insulating sealing glue 28 is an epoxy resin with insulation, and by filling the insulating sealing glue 28 in the accommodating cavity 27, the signal line 17 covered by the insulating sealing glue 28 can improve the anti-crosstalk performance of the signal line 17, and meanwhile, the connection strength between the first protective piece 20 and the second protective piece 30 can be improved, and the stability and sealing performance are increased.

[0049] It should be further explained that the insulating sealing glue 28 is also filled in the sleeve 21 on the first protective piece 20, and the insulating sealing glue 28 is also filled in the connecting gap between the first protective piece 20 and the socket body 10, so that the stability and sealing performance can be further improved.

[0050] The assembly process of the socket body 10, the first protective piece 20 and the second protective piece 30 of the present application is as follows:

[0051] First, the sleeve 21 on the first protective piece 20 is sleeved outside the power line 16, the first protective piece 20 is pressed into the first accommodating groove 19 forwardly, then the second protective piece 30 is clamped into the second accommodating groove 18 from top to bottom, the limiting column 37 is inserted into the limiting slot 23 after the second protective piece 30 is clamped in place, at this time, the limiting column 37 is clamped with the limiting slot 23, so that the first protective piece 20 can be prevented from being pulled out of the socket body 10, and finally, the insulating sealing glue 28 is filled in the accommodating cavity 27, the sleeve 21 and the gap between the first protective piece 20 and the socket body 10.

[0052] In summary, the application sets the first protective part 20 and the second protective part 30, sets the sleeve 21 on the first protective part 20, the sleeve 21 covers the power supply line 16 or covers the end of the power supply terminal 13 connected with the power supply line 16, uses the sleeve 21 to isolate the power supply terminal 13 or the power supply line 16 from the signal line 17 completely, can increase the creepage distance between the signal terminal 15 and the power supply terminal 13, and sets multiple partitions 31 on the second protective part 30 at intervals, the partition 31 is inserted between two adjacent signal terminals 15 to separate the signal terminals 15 from each other, can increase the creepage distance between the signal terminals 15, thereby avoiding the crosstalk between the signal terminals 15 or the short circuit with the power supply terminal 13, and the reliability is high; by setting the clamping structure between the first protective part 20 and the second protective part 30, using the clamping structure to limit the first protective part 20 to pull out the socket main body 10, ensures the connection stability of the first protective part and the socket main body 10; by setting the left recess 24 and the right recess 25 on the left side and the right side of the first protective part 20 respectively, embedding the left side plate 33 and the right side plate 34 of the second protective part 30 in the left recess 24 and the right recess 25 respectively when assembling, when pouring the glue, avoids the glue overflow.

[0053] The above is only the preferred embodiment of the application, and does not limit the application, so any modification, equivalent replacement, improvement, etc. of the above embodiment according to the technical spirit of the application still belongs to the scope of the technical scheme of the application.

Claims

1. A highly protective charging socket, comprising a socket body, wherein a power plug terminal and a signal plug terminal are provided at the front end of the socket body, the power plug terminal having a power terminal and the signal plug terminal having a signal terminal, characterized in that, It also includes a first protective component and a second protective component. Both the first and second protective components are connected to the rear end of the socket body. The first protective component is provided with a sleeve for the power cord to pass through to the rear. The sleeve covers the power cord or covers the end of the power terminal connected to the power cord. The second protective component is provided with multiple partitions at intervals. The partitions are inserted between two adjacent signal terminals to separate the signal terminals from each other. A locking structure is provided between the first and second protective components. The locking structure restricts the first protective component from being pulled out of the socket body. The rear end of the socket body is provided with a first receiving groove and a second receiving groove that are connected. The second receiving groove is directly opposite the power plug terminal and the signal plug terminal. The left and right sides of the second receiving groove are provided with slots. The second receiving groove and the slots both extend upward through the upper surface of the socket body. The left and right sides of the second protective member are provided with card plates that correspond one-to-one with the slots. The locking structure includes a limiting post and a limiting groove that cooperates with the limiting post. The limiting groove is provided on both the left and right sides of the first protective member, and the limiting post is provided on both the left and right sides of the second protective member. The limiting post is located at the lower end of the locking plate. The second protective component is U-shaped and includes a top plate and a left and right side plate extending downward from the left and right sides of the top plate. The top plate, the left side plate and the right side plate form a U-shaped groove. The partition is disposed in the U-shaped groove and is integrally connected to the lower surface of the top plate. The first protective component has left and right grooves corresponding to the left and right side plates, respectively. The lower end of the left and right side plates is recessed with notches, and the inner wall of the left and right grooves is provided with protrusions that fit the notches. During assembly, the first protective component is pressed forward into the first receiving groove. The cooperation between the locking plate and the locking groove allows the second protective component to be inserted into the second receiving groove from top to bottom. One end of the limiting post extends into the limiting groove to restrict the first protective component from being pulled out of the socket body. The lower ends of the left side plate and the right side plate are respectively embedded in the left groove and the right groove. The protrusion is embedded in the notch. A receiving cavity is formed between the first protective component and the second protective component. The receiving cavity is filled with insulating sealant covering the signal terminals.

2. A highly protective charging socket according to claim 1, characterized in that, The notch on the left side plate extends through the front and rear ends of the left side plate.

3. A highly protective charging socket according to claim 1, characterized in that, The first receiving groove has positioning recesses on both the left and right sides, and the first protective member has positioning protrusions on both the left and right sides corresponding to the positioning recesses. During assembly, the positioning protrusions are embedded in the positioning recesses.

4. A highly protective charging socket according to claim 1, characterized in that, A connecting plate is formed on the upper surface of the front end of the top plate. The left and right ends of the connecting plate are integrally connected to the corresponding card plates. A clearance groove is recessed on the rear surface of the connecting plate.

5. A highly protective charging socket according to claim 1, characterized in that, The front end of the socket body is provided with a plug groove, and the power plug and the signal plug are both located in the plug groove.

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