Charging socket for electric wheelchair

Abstract

The utility model relates to the technical field of electric wheelchairs, in particular to a charging socket for an electric wheelchair, which comprises a shell, a power connection module, an insulating part and a magnetic module, the power connection module, the insulating part and the shell are all arranged on the shell, the magnetic module is arranged between the insulating part and the shell, the power connection module is arranged on the insulating part, and the magnetic module comprises a magnetic part and an assembly frame. The magnetic part is arranged on the assembling frame, the assembling frame is arranged in the shell and located between the magnetic part and the insulating part, the assembling frame is connected with a grounding terminal, and the grounding terminal protrudes out of the shell. According to the utility model, the grounding terminal is arranged on the assembly frame, and the grounding terminal protrudes out of the shell to realize discharge of short-circuit current, so that the safety of the utility model is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wheelchair technical field especially is a kind of charging socket for electric wheelchair. BACKGROUND

[0002] For people who walk inconveniently, usually sit on wheelchair instead of walking. And with the progress of science and technology, electric wheelchair gradually receives the favor of user because of having more stable power to facilitate movement. Apparently one of the core functions of electric wheelchair is to charge, usually through special charging gun and household charging seat connection, using charging gun to charge socket on electric wheelchair and realize plug-in charging.

[0003] And the existing charging socket for electric wheelchair has the following disadvantages: insufficient safety performance, that is, when short circuit occurs inside charging socket, current cannot be discharged to ground in time. SUMMARY

[0004] The utility model provides a kind of charging socket for electric wheelchair to the prior art problem, improve safety performance.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of charging socket for electric wheelchair, including shell, the electricity connection module, insulating piece and magnetic module that are all set to shell, magnetic module is set between insulating piece and shell, electricity connection module is set to insulating piece, the magnetic module includes magnetic piece and assembly frame, magnetic piece is installed in assembly frame, assembly frame is installed in shell and is located between magnetic piece and insulating piece, assembly frame is connected with ground terminal, and ground terminal protrudes out of shell.

[0007] Further, the magnetic piece includes shielding shell, rubber ring and magnetic ring, which are all set to the shielding shell, the rubber ring is set between the shielding shell and the magnetic ring, the shielding shell is installed in the assembly frame, and the electricity connection module is connected with the external charging plug after passing through the magnetic ring.

[0008] Further, the two sides of the insulating piece are respectively provided with first let slot, the shell is provided with second let slot, the two sides of the assembly frame are respectively provided with fixed buckle, the fixed buckle protrudes to the outside after passing through the first let slot and the second let slot, and is buckled to the bottom of the shell.

[0009] Further, the electricity connection module includes wire, negative ring and positive guide column, which are all set to insulating piece, the negative ring has two negative ground sheets, the positive guide column is located in the negative ring and between the two negative ground sheets, and the positive guide column and the two negative ground sheets are connected to the wire.

[0010] Further, the negative ground sheet is respectively provided with a hollow groove, and an elastic sheet is connected in the hollow groove, and one end of the elastic sheet is suspended.

[0011] Further, the middle part of the insulating piece is provided with a through hole, and the insulating piece is further provided with a negative ring groove concentrically with the through hole, and the negative ring groove is communicated with two ground holes; the positive guide column is installed in the through hole, the negative ring is installed in the negative ring groove, and the negative ground sheet is installed in the ground hole and protrudes out of the bottom of the shell through the ground hole.

[0012] Further, the outer side wall of the insulating piece is provided with a limiting protrusion, and the inner side wall of the shell is provided with a limiting groove for accommodating the limiting protrusion.

[0013] The utility model discloses the beneficial effect: the utility model discloses a grounding terminal is set up in the assembly frame, and the grounding terminal protrudes out of the shell and realizes the discharge for short-circuit current, thereby improve the security of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the utility model.

[0015] Figure 2 It is the exploded schematic diagram of the utility model.

[0016] Figure 3 It is the schematic diagram of the magnetic piece of the utility model.

[0017] Figure 4 It is the schematic diagram of the insulating piece of the utility model.

[0018] Figure 5 It is the sectional view of the insulating piece of the utility model.

[0019] Figure 6 It is the schematic diagram of the shell of the utility model.

[0020] Reference signs: 1 - shell, 2 - electricity connection module, 3 - insulating piece, 4 - magnetic module, 10 - second let - go groove, 11 - limiting recess, 21 - wire, 22 - negative ring, 23 - positive guide column, 31 - first let - go groove, 33 - through hole, 34 - negative ring groove, 35 - ground hole, 36 - limiting protrusion, 41 - magnetic piece, 42 - assembly frame, 221 - negative ground sheet, 222 - hollow groove, 223 - elastic sheet, 411 - shielding shell, 412 - rubber ring, 413 - magnetic ring, 420 - grounding terminal, 421 - fixed buckle. DETAILED DESCRIPTION

[0021] For the convenience of those skilled in the art to understand, the following combining with the embodiment and the drawing of the utility model is further explained, the content mentioned in the implementation is not the limitation of the utility model. The utility model is described in detail below combining with the drawing.

[0022] As shown in Figures 1 to 6 The utility model provides a charging socket for electric wheelchair, including shell 1, all setting in the electricity connection module 2 of shell 1, insulating part 3 and magnetic module 4, magnetic module 4 sets up between insulating part 3 and shell 1, electricity connection module 2 sets up in insulating part 3, magnetic module 4 includes magnetic part 41 and assembly frame 42, magnetic part 41 is installed in assembly frame 42, and assembly frame 42 is installed in shell 1 and is located between magnetic part 41 and insulating part 3, and assembly frame 42 is connected with grounding terminal 420, and grounding terminal 420 protrudes out of shell 1.

[0023] Specifically, the utility model is installed in electric wheelchair, when charging, the charging gun of outside is inserted into shell 1 and realizes electricity interaction with the electricity connection module 2 in shell 1, uses the corresponding structure of magnetic module 4 magnetic attraction charging gun, guarantees that charging gun and the utility model are not easy to come loose after plug-in, when leakage occurs, because the grounding terminal 420 is directly connected with the grounding structure corresponding to electric wheelchair, therefore, leakage current will be discharged, avoids the risk of leakage of the utility model or the occurrence of safety accidents due to excessive temperature.

[0024] It should be noted that the assembly frame 42 is made of metal and is integrally formed with the grounding terminal 420 by stamping, so that the current can be guided.

[0025] In the embodiment, the magnetic part 41 includes a shielding shell 411, a rubber ring 412 and a magnetic ring 413, the rubber ring 412 is arranged between the shielding shell 411 and the magnetic ring 413, the shielding shell 411 is installed on the assembly frame 42, and the electricity connection module 2 is connected with the charging plug outside after passing through the magnetic ring 413.

[0026] The shielding shell 411 shields the magnetic field of the magnetic ring 413, preventing the magnetic ring 413 from interfering with the outside world, and the rubber ring 412 fills the gap between the shielding shell 411 and the magnetic ring 413, making the structure of the utility model more stable.

[0027] In the embodiment, the insulating part 3 is provided with a first clearance slot 31 on both sides, the shell 1 is provided with a second clearance slot 10, and the assembly frame 42 is provided with a fixing buckle 421 on both sides. The fixing buckle 421 protrudes to the outside after passing through the first clearance slot 31 and the second clearance slot 10, and is buckled to the bottom of the shell 1.

[0028] The fixing buckle 421 is integrally formed with the assembling frame 42, and is used for assembling and fixing the assembling frame 42 between the shell 1, so as to prevent dislocation between the assembling frame 42 and the shell 1.

[0029] In the embodiment, the power connection module 2 comprises the wire 21, the negative ring 22 and the positive column 23, the negative ring 22 has two negative grounding sheets 221, the positive column 23 is located in the negative ring 22 and between the two negative grounding sheets 221, and the positive column 23 and the two negative grounding sheets 221 are connected to the wire 21.

[0030] Specifically, the positive column 23, the negative ring 22 and the charging gun outside form a closed loop, and the charging gun is used for charging the power source connected to the utility model. Since the wire 21 connected to the negative ring 22 is usually grounded as a negative electrode, the negative ring 22 is provided with the negative grounding sheets 221, so that the wire 21 can be more stably and reliably connected.

[0031] Specifically, the negative grounding sheets 221 are respectively provided with the hollow grooves 222, the hollow grooves 222 are connected with the elastic sheets 223, and one end of the elastic sheet 223 is suspended.

[0032] Specifically, the middle part of the insulating piece 3 is provided with the through hole 33, the insulating piece 3 is also provided with the negative ring groove 34 concentrically with the through hole 33, the negative ring groove 34 is communicated with the two grounding holes 35, the positive column 23 is installed in the through hole 33, the negative ring 22 is installed in the negative ring groove 34, and the negative grounding sheets 221 are installed in the grounding holes 35 and protrude out of the bottom of the shell 1 through the grounding holes 35.

[0033] The utility model uses the mode that the elastic sheet 223 presses the insulating piece 3, improves the stability of the insulating grounding sheet assembled in the negative ring groove 34 / grounding hole 35, so as to ensure that the components of the utility model will not be dislocated or separated, and the stability is ensured.

[0034] In the embodiment, the outer side wall of the insulating piece 3 is provided with the limiting protrusion 36, the inner side wall of the shell 1 is provided with the limiting groove 11 for accommodating the limiting protrusion 36, and the limiting protrusion 36 and the limiting groove 11 are matched, so as to realize the positioning assembly of the insulating piece 3 and the shell 1.

[0035] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution are within the scope of the present application technical solution.

Claims

1. A charging socket for electric wheelchair, comprising a shell, an electricity connection module, an insulation member and a magnetic module, the electricity connection module and the insulation member are arranged in the shell, the magnetic module is arranged between the insulation member and the shell, and the electricity connection module is arranged in the insulation member, characterized in that: The magnetic module comprises a magnetic piece and an assembling frame, the magnetic piece is arranged on the assembling frame, the assembling frame is installed in the shell and located between the magnetic piece and the insulating piece, the assembling frame is connected with a grounding terminal, and the grounding terminal protrudes out of the shell.

2. The charging socket for electric wheelchair as claimed in claim 1, wherein: The magnetic piece comprises a shielding shell, a rubber ring and a magnetic ring, the rubber ring is arranged between the shielding shell and the magnetic ring, the shielding shell is installed on the assembling frame, and the power connection module is connected with the external charging plug after penetrating the magnetic ring.

3. The charging jack for electric wheelchair as claimed in claim 1, wherein: The insulating piece is provided with a first displacement slot on both sides, the shell is provided with a second displacement slot, the assembling frame is provided with a fixing buckle on both sides, the fixing buckle protrudes to the outside after penetrating the first displacement slot and the second displacement slot, and is buckled on the bottom of the shell.

4. The charging jack for electric wheelchair as claimed in claim 1, wherein: The power connection module comprises a wire, a negative electrode ring and a positive electrode column, the negative electrode ring is arranged on the insulating piece, the negative electrode ring has two negative electrode grounding sheets, the positive electrode column is located in the negative electrode ring and between the two negative electrode grounding sheets, and the positive electrode column and the two negative electrode grounding sheets are connected with the wire.

5. The charging socket for electric wheelchair as claimed in claim 4, wherein: The negative electrode grounding sheet is provided with a hollow slot, and the hollow slot is connected with an elastic sheet, one end of the elastic sheet is suspended.

6. The charging jack for electric wheelchair as claimed in claim 4, wherein: The insulating piece is provided with a through hole in the middle; the insulating piece is also provided with a negative electrode ring groove concentrically with the through hole, and the negative electrode ring groove is communicated with two grounding holes; the positive electrode column is installed in the through hole, the negative electrode ring is installed in the negative electrode ring groove, and the negative electrode grounding sheet is installed in the grounding hole and protrudes out of the bottom of the shell.

7. The charging jack for electric wheelchair as claimed in claim 1, wherein: The outer side wall of the insulating piece is provided with a limiting protrusion, and the inner side wall of the shell is provided with a limiting groove for accommodating the limiting protrusion.

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