CN211150866U

CN211150866U - Electric shock prevention socket

Info

Publication number: CN211150866U
Application number: CN202020123735.4U
Authority: CN
Inventors: 万静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-07-31
Anticipated expiration: 2030-01-18

Abstract

The utility model provides a protection against electric shock socket, include: casing assembly, the terminal, the swinging boom, the plug connection clamping piece, and elasticity reset element, the plug connection clamping piece is installed in casing assembly with elasticity reset element fixedly, the swinging boom rotatably is connected with the plug connection clamping piece, the swinging boom is including being used for with plug complex first end, and be used for with terminal electrically conductive connection or the second end of disconnection, the swinging boom is not made second end and terminal disconnection by elasticity reset element's effect when plug does not insert the plug connection clamping piece, the swinging boom overcomes elasticity reset element's effect when plug inserts the plug connection clamping piece and makes second end and terminal electrically conductive intercommunication. The utility model discloses an elasticity reset element makes to be in normally open state between swinging boom and the terminal, only when standard plug inserts, thereby just enables the swinging boom and takes place to rotate and electrically conduct with terminal conductive contact, and uses foreign matter or iron wire etc. can not make to be the contact and targets in place, has consequently played the protection against electric shock function.

Description

Electric shock prevention socket

Technical Field

The utility model relates to a socket field, in particular to protection against electric shock socket.

Background

The general design of current socket does not compromise the function of protection against electric shock to make the inside clamping piece of socket be in the on-state all the time, insert the jack through foreign matter or iron wire etc. and produce the electric shock accident easily, give people and produce the safety and bring serious potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric shock prevention socket to solve at least one above-mentioned technical problem.

In order to solve the above problem, as an aspect of the present invention, there is provided an electric shock prevention socket, including: casing assembly, terminal, swinging boom, plug connection clamping piece and elasticity reset element install fixedly in the casing assembly, the swinging boom with the plug connection clamping piece rotatably connects, the swinging boom including be used for with plug complex first end, and be used for with terminal electrically conductive connection or the second end of disconnection, the swinging boom does not insert at the plug receive during the plug connection clamping piece the effect of elasticity reset element makes the second end with the terminal disconnection, the swinging boom inserts at the plug overcome during the plug connection clamping piece the effect of elasticity reset element makes the second end with the terminal electrically conducts the intercommunication.

Preferably, the electric shock prevention socket further comprises a movable elastic sheet in conductive connection with the plug connection clamping sheet, one end of the movable elastic sheet is fixedly installed in the shell assembly, and the second end of the rotating arm presses the movable end of the movable elastic sheet to be in conductive communication with the wiring terminal.

Preferably, casing subassembly is including preceding shell of sealing connection's module, module mesochite and module backshell in proper order, form the clamping piece storehouse between shell and the module mesochite before the module, form electrified storehouse between shell and the module backshell in the module, plug connection clamping piece, swinging boom and elasticity reset element install in the clamping piece storehouse, be provided with in the electrified storehouse and have sealed notched even electric assembly sealing member, the swinging boom passes sealed incision.

Preferably, the casing subassembly is including preceding shell of module, module mesochite and the module backshell of sealing connection in proper order, form the clamping piece storehouse between preceding shell of module and the module mesochite, form electrified storehouse between module mesochite and the module backshell, plug connection clamping piece, swinging boom and elasticity reset element install in the clamping piece storehouse, be provided with the even electric subassembly sealing member that has sealed incision in the electrified storehouse, movable shell fragment passes sealed incision.

Preferably, a partition board is arranged inside the module rear shell, and the partition board divides the electrified cabin into a live wire electrified cabin and a zero wire electrified cabin which are mutually independent and separated.

Preferably, the electric shock prevention socket further comprises a zero line fixing elastic sheet and a live wire fixing elastic sheet, the zero line fixing elastic sheet is arranged in the zero line live bin and connected with a corresponding terminal in the zero line live bin, and the live wire fixing elastic sheet is arranged in the live wire live bin and connected with a corresponding terminal in the live wire live bin.

Preferably, the module backshell respectively is provided with an atmospheric pressure test hole corresponding to the position department in live wire electrified storehouse and the electrified storehouse of zero line, install detachable atmospheric pressure test hole silica gel stopper on the atmospheric pressure test hole.

Preferably, the zero line fixing elastic sheet and the live line fixing elastic sheet are respectively connected with the corresponding binding posts through square nuts.

Preferably, the plug connecting clip comprises a zero line connecting clip, a live line connecting clip and a ground line connecting clip, and the ground line connecting clip is directly connected with the corresponding binding post.

Preferably, the zero line fixed elastic piece and the live line fixed elastic piece are both provided with contacts.

Since the technical scheme is used, the utility model discloses an elasticity reset element makes to be in normally open state between swinging boom and the terminal, only when standard plug inserts, thereby only can make the swinging boom take place to rotate and electrically conduct with terminal conductive contact, and use foreign matter or iron wire etc. can not make the contact target in place, has consequently played the protection against electric shock function.

Drawings

Fig. 1 schematically shows an exploded view of the present invention;

figure 2 schematically illustrates an exploded view two of the present invention;

fig. 3 schematically shows a front view of the invention when no plug is inserted;

figure 4 schematically shows a front view of the invention when a plug is inserted;

fig. 5 schematically shows a cross-sectional view of the first embodiment of the invention in the direction a-a of fig. 3;

fig. 6 schematically shows a cross-sectional view of the first embodiment of the invention in the direction B-B of fig. 4;

fig. 7 schematically shows a cross-sectional view of a second embodiment of the invention in the direction a-a of fig. 3;

fig. 8 schematically shows a cross-sectional view of a second embodiment of the invention in the direction B-B of fig. 4;

figure 9 schematically illustrates an exploded view of a rotating conductive assembly of a first embodiment of the present invention;

figure 10 schematically illustrates a schematic view of a first embodiment of the present invention of a connector assembly when no plug is inserted;

figure 11 schematically illustrates a schematic view of a first embodiment of the present invention of a connector assembly when a plug is inserted;

figure 12 schematically illustrates an exploded view of a power link assembly of a second embodiment of the invention;

figure 13 schematically illustrates a schematic view of a power link assembly of a second embodiment of the invention when no plug is inserted;

figure 14 schematically illustrates a schematic view of a second embodiment of the connector assembly of the present invention when a plug is inserted;

FIG. 15 schematically illustrates a schematic view of a housing in the module; s

Figure 16 schematically shows a schematic view of a rear shell of the module;

FIG. 17 schematically illustrates a first schematic view of a firewire connection clip;

figure 18 schematically illustrates a second schematic view of the hot connection clip.

Reference numbers in the figures: 1. two plugs are inserted; 2. a three-plug; 3. a panel; 4. a front cover; 5. two protective doors are inserted; 6. two inserted guard door springs; 7. inserting a protective door three times; 8. a three-plug protective door spring; 9. a first seal ring; 10. a module front case; 11. mounting a safety bin; 12. a lower safety bin; 13. a safety bin; 14. an opening part of the ground wire clip bin; 15. the upper safety bin and the lower safety bin are communicated with the opening; 16. a water drainage opening of the lower safety bin; 17. a drain opening cover; 18. a second seal ring; 19. a silica gel plug; 20. a power connection assembly; 21. the ground wire is connected with the clamping piece; 22. a ground wire clamping piece sealing ring; 23. a module middle shell; 24. the module and the front cover are fixed by screws; 25. fixing screws for the front module shell and the middle module shell; 26. a connecting component fixing screw; 27. two zero-insertion lines are connected with the electric component bin; 28. two plug-in live wires are connected with the electric component bin; 29. the three-wire zero insertion line is connected with the electric component bin; 30. the three-plug live wire is connected with the electric component bin; 31. a ground wire clip bin; 32. the elastic reset element is provided with a T-shaped groove; 33. two plug-in electrical component seals; 34. two insertion sealing cuts; 35. a three-pin electrical component seal; 36. three-plug sealing cut; 37. pressing a plate; 38. a pressing plate screw; 39. the zero line fixes the elastic sheet; 40. the live wire fixes the elastic sheet; 41. a contact; 42. a spring plate fixing screw; 43. a square nut; 44. a third seal ring; 45. a module rear shell; 46. a module rear shell fixing screw; 47. a partition plate; 48. a zero line live bin; 49. a live wire bin; 50. an air pressure test hole; 51. testing the silica gel plug of the hole by air pressure; 52. a binding post; 53. a terminal screw; 54. a binding post sealing ring; 55. a wiring assembly; 56. wire clamps; 57. a live wire connection clip; 58. a machine thread screw hole; 59. a rotating arm; 60. a rotating shaft; 61. punching and flanging the end part of the rotating shaft; 62. a movable spring plate; 63. an elastic reset element; 64. the zero line is connected with the clamping piece.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

An aspect of the utility model provides an electric shock prevention socket, include: casing assembly, terminal 52, swinging boom 59, plug connection clamping piece and elasticity reset element 63 are installed fixedly in the casing assembly, swinging boom 59 with the plug connection clamping piece is rotatably connected, swinging boom 59 including be used for with plug complex first end, and be used for with terminal 52 electrically conductive connection or the second end of disconnection, swinging boom 59 is not inserted at the plug receive during the plug connection clamping piece the effect of elasticity reset element 63 makes the second end with terminal 52 disconnection, swinging boom 59 is inserted at the plug overcome during the plug connection clamping piece the effect of elasticity reset element 63 makes the second end with terminal 52 electrically conducts the intercommunication. The plug connecting clip, the rotating shaft 60, the rotating arm 59, the contact 41, the elastic reset element 63, and the connecting assembly 20 constituting the first embodiment; the plug connecting clip, the rotating shaft 60, the rotating arm 59, the elastic reset element 63, the movable elastic sheet 62, the contact 41, constitute the electrical connection assembly 20 of the second embodiment.

Referring to fig. 5, 7, 10 and 13, when the plug is not inserted, a pressure is applied to the rotating arm 59 under the action of the elastic reset element 63, so that one end of the rotating arm 59 is pressed, and the other end of the rotating arm 59 is lifted upwards to be disconnected from the terminal 52 because the rotating arm 59 is rotatably arranged.

Referring to fig. 6, 8, 11 and 14, when a plug is inserted, the plug is inserted into the plug connecting clip and is in conductive contact with the plug connecting clip, the left end of the rotating arm 59 is lifted upwards against the elastic force of the elastic reset element 63 under the action of the plug, and the other end of the rotating arm 59 moves downwards due to the rotatable arrangement of the rotating arm 59 and is in conductive contact with the binding post 52 directly or indirectly.

Since the technical scheme is used, the utility model discloses an elasticity reset element 63 makes and is in normally open state between swinging boom 59 and the terminal 52, only when standard plug inserts, thereby just enables swinging boom 59 to take place to rotate and electrically conduct with terminal 52 conductive contact, and uses foreign matter or iron wire etc. can not make to be the contact and put in place, has consequently played the protection against electric shock function.

In the first embodiment shown in fig. 5-6 and 9-11, the present invention can be connected or disconnected to the terminal 52 only by the lever movement of the rotating arm 59. When the plug is inserted, the rotating arm 59 moves clockwise around the rotating shaft 60, so that the contact on the rotating arm 59 is respectively contacted with the contact 41 on the live wire fixing elastic sheet 40 and the contact 41 on the zero wire fixing elastic sheet 39, the electric conduction is realized, and the elastic reset element 63 compresses backwards when the plug is inserted; when the plug is pulled out, the elastic reset element 63 enables the highest part of the arc surface on the rotating arm 59 to be attached to one side of the plug connecting clamping piece, so that the rotating arm 59 moves towards the direction that the two contacts are far away, and the electricity is disconnected. One side of the rotating shaft 60 adopts a stamping flanging process and is provided with a stamping flanging 61 at the end part of the rotating shaft to prevent the rotating shaft from falling out.

Since the rotating arm 59 is connected to the plug connection clip through the rotating shaft 60 in the first embodiment, a potential problem of unreliable conduction may occur due to the existence of the movement gap. For this purpose, in the second embodiment shown in fig. 7-8 and 12-14, preferably, the electric shock prevention socket further includes a movable elastic sheet 62 electrically connected to the plug connection clip, one end of the movable elastic sheet 62 is fixedly installed in the housing assembly, and the second end of the rotating arm 59 presses the movable end of the movable elastic sheet 62 to electrically communicate with the terminal 52. When the plug is inserted, the rotating arm 59 moves clockwise around the rotating shaft 60, so that the movable elastic sheet 62 is driven, the contact on the movable elastic sheet 62 is respectively contacted with the contact 41 on the live wire fixed elastic sheet 40 and the contact 41 on the zero wire fixed elastic sheet 39, the electric conduction is realized, and the elastic reset element 63 is compressed backwards when the plug is inserted; when the plug is pulled out, the elastic reset element 63 enables the highest part of the arc surface on the rotating arm 59 to be attached to one side of the plug connecting clamping piece, so that the movable elastic piece moves towards the direction that the two contacts are far away, and the electricity is disconnected.

The seal and the respective connection structures in the present application are explained in detail below:

the utility model discloses in, preferably, the casing subassembly is including shell 10, module mesochite 23 and module backshell 45 before sealing connection's the module in proper order, form the clamping piece storehouse before the module between shell 10 and the module mesochite 23, form electrified storehouse between module mesochite 23 and the module backshell 45, the plug connection clamping piece, swinging boom 59 and elasticity reset element 63 are installed in the clamping piece storehouse. The front side of shell 10 still is provided with protecgulum 4 through first sealing washer 9 before the module, installs panel 3 on the protecgulum 4, forms safe storehouse 13 between protecgulum 4 and the module preceding shell 10, and safe storehouse 13 is separated for last safe storehouse 11 and lower safe storehouse 12, inserts protective door spring 6 through two in the last safe storehouse 11 and installs two and insert protective door 5, inserts protective door spring 8 through three in the lower safe storehouse 12 and install three and insert protective door 7. An independent ground wire clip bin opening 14 is formed in the lower safety bin 12, so that the ground wire portion is isolated from the zero line and the live line, and the installation performance is improved.

The module front shell 10 and the module middle shell 23 are connected with a module middle shell fixing screw 25 through the module front shell, and the front cover 4 is installed and fixed with a front cover fixing screw 24 through the module. The module center housing 23 and the module rear housing 45 are sealed by a third seal ring 44. The module rear case 45 is fixedly connected to the module center case 23 by module rear case fixing screws 46.

The terminal 52 is mounted on the module rear case 45 through a terminal screw 53 sleeved with a terminal sealing ring 54, and the terminal 52, the terminal sealing ring 54 and the terminal screw 53 form a terminal assembly 55. The module rear case 45 is also provided with a clip 56.

An upper safety bin communicating opening 15 and a lower safety bin communicating opening 15 are formed between the upper safety bin 11 and the lower safety bin 12, so that water in the upper safety bin 11 can flow into the lower safety bin 12 through the upper safety bin communicating opening 15 and then is discharged outwards through a lower safety bin water discharging opening 16 in the lower safety bin 12. A water outlet cover 17 is arranged at the position of the water outlet opening 16 of the lower safety bin, and the water outlet cover can prevent water vapor from flowing backwards when being covered.

The module middle shell 23 is internally provided with two independent zero-plug wire connecting component cabins 27, two independent live wire connecting component cabins 28, three independent zero-plug wire connecting component cabins 29, three independent live wire connecting component cabins 30 and a ground wire clamping cabin 31 which are respectively sealed with the module front shell 10 through a second sealing ring 18. The two-wire zero-insertion connecting assembly bin 27, the two-wire live-wire connecting assembly bin 28, the three-wire zero-insertion connecting assembly bin 29 and the three-wire live-wire connecting assembly bin 30 are respectively provided with a connecting assembly 20 through connecting assembly fixing screws 26, and the ground wire clip bin 31 is provided with a ground wire connecting clip 21 through a ground wire clip sealing ring 22.

An elastic reset element mounting T-shaped groove 32 for mounting an elastic reset element 63 is further arranged in the two-plug-in zero-wire connecting assembly bin 27, the two-plug-in live-wire connecting assembly bin 28, the three-plug-in zero-wire connecting assembly bin 29 and the three-plug-in live-wire connecting assembly bin 30.

Owing to adopted above-mentioned seal structure, consequently the utility model discloses excellent splashproof water performance has.

Preferably, the electric shock prevention socket further comprises a zero line fixing elastic sheet 39 and a live line fixing elastic sheet 40, the zero line fixing elastic sheet 39 is arranged in the zero line live bin 48 and connected with a corresponding binding post 52 in the zero line live bin 48, and the live line fixing elastic sheet 40 is arranged in the live line live bin 49 and connected with a corresponding binding post 52 in the live line live bin 49. Preferably, the neutral wire fixing elastic sheet 39 and the live wire fixing elastic sheet 40 are both provided with a contact 41.

Preferably, the zero line fixing elastic sheet 39 and the live line fixing elastic sheet 40 are respectively connected with the corresponding binding post 52 through a square nut 43. Preferably, the plug connection clips include a neutral connection clip 64, a hot connection clip 57, and a ground connection clip 21, and the ground connection clip 21 is connected directly to the corresponding terminal 52. The zero line fixing elastic sheet 39 and the live line fixing elastic sheet 40 are fixed through elastic sheet fixing screws 42.

The charging bin is provided with a connecting component sealing element with a sealing cut, and the rotating arm 59 or the movable elastic sheet 62 penetrates through the sealing cut. The utility model discloses including two inserting or three interfaces, be used for respectively being connected with two plug 1 and three plug 2, consequently even the electric subassembly includes that two are inserted even electric subassembly sealing member 33 and three are inserted even electric subassembly sealing member 35, and sealed incision includes that two are inserted sealed incision 34 and three are inserted sealed incision 36, and two are inserted even electric subassembly sealing member 33 and three are inserted and are formed with two on the electric subassembly sealing member 35 and insert sealed incision 34 and three and insert sealed incision 36 respectively. The arrangement of the sealing notch can realize the water vapor isolation between the clamping bin and the electrified bin. The two-pin electrical component seal 33 and the three-pin electrical component seal 35 are connected to the module center housing 23 by a clamp plate 37 and clamp plate screw 38, respectively.

Preferably, a partition plate 47 is arranged inside the module rear shell 45, and the partition plate 47 divides the live cabin into a live cabin 49 and a neutral cabin 48 which are separated independently from each other. In this way, even if moisture enters the live compartment through the sealed cut, it will only be located in the live compartment 49 and the live compartment 48, respectively, to avoid conduction or short circuit between the live and neutral wires.

In order to detect the sealing performance, preferably, the positions of the module rear shell 45 corresponding to the live line live bin 49 and the zero line live bin 48 are respectively provided with an air pressure test hole 50, and the air pressure test hole 50 is provided with a detachable air pressure test hole silica gel plug 51. During detection, the air compressor is connected with the air pressure testing hole 50, air pressure cannot be reduced if air is leaked, and the air pressure is kept in a stable state if air is not leaked.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric shock preventing socket, comprising: casing assembly, terminal (52), swinging boom (59), plug connection clamping piece and elasticity reset element (63) are installed fixedly in the casing assembly, swinging boom (59) with the plug connection clamping piece is rotatably connected, swinging boom (59) including be used for with plug complex first end, and be used for with terminal (52) electrically conductive connection or the second end of disconnection, swinging boom (59) do not insert at the plug receive during the plug connection clamping piece the effect of elasticity reset element (63) makes the second end with terminal (52) disconnection, swinging boom (59) insert during the plug connection clamping piece overcome the effect of elasticity reset element (63) makes the second end with terminal (52) electrically conductive intercommunication.

2. The socket of claim 1, further comprising a movable spring (62) electrically connected to the plug connection clip, wherein one end of the movable spring (62) is fixedly mounted in the housing assembly, and the second end of the rotating arm (59) presses the movable end of the movable spring (62) to electrically communicate with the terminal (52).

3. The anti-electric shock socket as claimed in claim 1, wherein the housing assembly comprises a module front shell (10), a module middle shell (23) and a module rear shell (45) which are hermetically connected in sequence, a clamping bin is formed between the module front shell (10) and the module middle shell (23), a charging bin is formed between the module middle shell (23) and the module rear shell (45), the plug connecting clamping piece, the rotating arm (59) and the elastic reset element (63) are installed in the clamping bin, a connecting component sealing piece with a sealing notch is arranged in the charging bin, and the rotating arm (59) penetrates through the sealing notch.

4. The anti-electric shock socket according to claim 2, wherein the housing assembly comprises a module front shell (10), a module middle shell (23) and a module rear shell (45) which are hermetically connected in sequence, a clamping bin is formed between the module front shell (10) and the module middle shell (23), a charging bin is formed between the module middle shell (23) and the module rear shell (45), the plug connecting clamping piece, the rotating arm (59) and the elastic reset element (63) are installed in the clamping bin, a connecting component sealing piece with a sealing notch is arranged in the charging bin, and the movable elastic piece (62) penetrates through the sealing notch.

5. An electric shock protection socket according to claim 3 or 4 wherein a partition (47) is provided inside the modular rear housing (45), the partition (47) dividing the live compartment into a live compartment (49) and a neutral compartment (48) which are separated from each other.

6. The electric shock protection socket according to claim 5, further comprising a zero line fixing elastic sheet (39) and a live line fixing elastic sheet (40), wherein the zero line fixing elastic sheet (39) is arranged in the zero line live bin (48) and connected with a corresponding terminal (52) in the zero line live bin (48), and the live line fixing elastic sheet (40) is arranged in the live line live bin (49) and connected with a corresponding terminal (52) in the live line live bin (49).

7. The electric shock prevention socket according to claim 5, wherein the module rear shell (45) is provided with one air pressure test hole (50) at each of the positions corresponding to the live line live bin (49) and the zero line live bin (48), and the air pressure test holes (50) are provided with detachable air pressure test hole silica gel plugs (51).

8. The anti-electric shock socket according to claim 6, wherein the neutral wire fixing spring (39) and the live wire fixing spring (40) are respectively connected with the corresponding binding posts (52) through square nuts (43).

9. An electric shock protection socket according to claim 8 wherein the plug connection jaws comprise a neutral connection jaw (64), a live connection jaw (57) and a ground connection jaw (21), the ground connection jaw (21) being directly connected to a corresponding terminal (52).

10. The anti-shock socket according to claim 6, wherein the neutral wire fixing spring (39) and the live wire fixing spring (40) are provided with contacts (41).