CN112164932A

CN112164932A - Plug and socket for household dish washer for preventing mistaken pulling

Info

Publication number: CN112164932A
Application number: CN202010995298.XA
Authority: CN
Inventors: 邓植富
Original assignee: Guangzhou Yuehui Trade Co ltd
Current assignee: Guangzhou Yuehui Trade Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-01-01

Abstract

The utility model provides a prevent mistake and pull out plug and socket for domestic dish washer, relates to and washs daily necessities technical field, a prevent mistake and pull out plug and socket for domestic dish washer, including the socket, the middle part swing joint of socket has magnetorheological suspensions, and the middle part swing joint of socket has the piston rod, and evenly distributed's perforation is seted up to the inner wall of piston rod, and the middle part fixedly connected with electromagnetism of piston rod bottom is one, and the inner wall of piston rod just is close to fenestrate outside fixedly connected with electromagnetism two, and the dielectric plate is crossed to piston rod middle part fixedly connected with, and the outside of piston rod has cup jointed with socket interior roof fixed. This prevent mistake and pull out plug and socket for domestic dish washer uses through the cooperation of fixture block and draw-in groove, and when plug and socket peg graft and when circular telegram, at this moment the fixture block can stretch out to both sides under the inter attraction effect of electromagnetism three and magnetic path, makes fixture block and draw-in groove peg graft, and it is relatively fixed with movable block and plug simultaneously, prevents effectively that the plug from taking off the hourglass, has improved dish washer's stability.

Description

Plug and socket for household dish washer for preventing mistaken pulling

Technical Field

The invention relates to the technical field of cleaning daily necessities, in particular to a plug and a socket for a household dish washing machine capable of preventing mistaken pulling.

Background

The dish washer is the automatic equipment of tableware such as washing dishes, chopsticks, dish, sword, fork, and full-automatic dish washer on the market can divide into family and commercial two kinds, and domestic full-automatic dish washer only is applicable to the family, mainly has cabinet type, desktop, basin integral type and integrated form, and present dish washer often can meet some problems in the use, for example can appear not hard up condition like the plug of dish washer often, and it is more inconvenient to use.

Present dish washer is installed near the vegetable sink mostly, often can lead to dish washer surface to fall to water stain, just need often clean dish washer to often need remove when cleaning dish washer, lead to often can appear pulling the condition of plug wire, lead to the condition that plug and socket drop to appear, lead to the condition that the dish washer probably appears breaking circuit in the course of the work, lead to the condition that the circuit burns out to appear in the dish washer, cause unnecessary economic loss.

Therefore, we propose a plug and a socket for preventing the household dish-washing machine from being pulled out to solve the above problems.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a plug and a socket for preventing mistaken pulling of a household dish washer comprise a socket, wherein magnetorheological fluid is movably connected at the middle part of the socket, a piston rod is movably connected at the middle part of the socket, uniformly distributed through holes are formed in the inner wall of the piston rod, a first electromagnetic plate is fixedly connected at the middle part of the bottom of the piston rod, a second electromagnetic plate is fixedly connected at the inner wall of the piston rod and close to the outer side of the through holes, a dielectric plate is fixedly connected at the middle part of the piston rod, a first spring fixedly connected with the inner top wall of the socket is sleeved at the outer side of the piston rod, a positive plate is fixedly connected at the inner wall of the socket and close to the left side of the piston rod, a negative plate symmetrical to the right side of the positive plate is fixedly connected at the inner wall of the socket, a movable block fixedly connected with the top, the top of the movable block is inserted with an insertion block, two sides of the bottom of the insertion block are fixedly connected with a spring II, the outer side of the spring II is fixedly connected with a clamping block, and the inner wall of the clamping block is fixedly connected with a magnetic block.

The invention has the following beneficial effects:

1. this prevent mistake and pull out plug and socket for domestic dish washer uses through the cooperation of fixture block and draw-in groove, and when plug and socket peg graft and when circular telegram, at this moment the fixture block can stretch out to both sides under the inter attraction effect of electromagnetism three and magnetic path, makes fixture block and draw-in groove peg graft, and it is relatively fixed with movable block and plug simultaneously, prevents effectively that the plug from taking off the hourglass, has improved dish washer's stability.

2. This prevent mistake and pull out plug and socket for domestic dish washer, through the cooperation use of magnetorheological suspensions and electromagnetism one and electromagnetism two, when the plug was pulled out suddenly, the magnetism of electromagnetism one and electromagnetism two all increases, leads to the magnetorheological suspensions viscosity between electromagnetism one and the electromagnetism two to increase the degree of difficulty of piston rod rebound, further reached the effect that prevents the plug and drop, improved the stability of dish washer

Furthermore, the socket is made of hard high-strength materials and does not have conductivity, the socket plays a role in fixing various parts, the magnetorheological fluid is a suspension formed by mixing micro soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid, and the magnetorheological fluid plays a role in changing the damping value.

Furthermore, the piston rod is composed of a rubber piston at the bottom and a cylindrical rod at the top, the length of the piston rod is smaller than the size of the socket, the piston rod plays a role in transmission, the diameter of the through hole is smaller than the radius of the piston rod, and the through hole plays a role in facilitating flowing of the magnetorheological fluid.

Further, magnetism generated by the outer side of the first electromagnet is opposite to magnetism generated by the inner side of the second electromagnet, the first electromagnet and the second electromagnet play a role in changing the viscosity of the magnetorheological fluid, the size of the dielectric plate is smaller than that of the piston rod, the dielectric plate plays a role in changing the voltage of a circuit, the first spring is a compression spring, the diameter of the first spring is larger than that of the top of the piston rod, and the first spring plays a role in enabling the piston rod to be restored to the initial state downwards.

Further, the positive plate size is the same with the negative plate size, and positive plate and negative plate play the effect that changes circuit voltage size together, the material of movable block is not electrically conductive of stereoplasm high strength material and movable block, and the movable block plays driven effect, the magnetism of three inboard of electromagnetism is opposite with the magnetism in the magnetic path outside, and the electromagnetism plays magnetic adsorption's effect three times.

Further, the size of draw-in groove is less than the size of movable block, and the draw-in groove plays the effect that the restriction inserted block removed, the degree of depth of slot is less than the height of movable block, spring two is extension spring and the diameter of spring two is less than the height of fixture block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of the unplugged plug of the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a socket; 2. magnetorheological fluid; 3. a piston rod; 4. perforating; 5. performing electromagnetism I; 6. a second electromagnetic field; 7. a dielectric plate; 8. a first spring; 9. a positive plate; 10. a negative plate; 11. a movable block; 12. electromagnetic three; 13. a card slot; 14. a slot; 15. inserting a block; 16. a second spring; 17. a clamping block; 18. a magnetic block.

Detailed Description

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

Referring to fig. 1-4, a plug and socket for a household dish washer for preventing mis-pulling comprises a socket 1, the socket 1 is made of hard high-strength material and the socket 1 has no conductivity, the socket 1 plays a role of fixing each component, magnetorheological fluid 2 has high magnetic conductivity, the magnetorheological fluid 2 has the effect of changing the damping value, the magnetorheological fluid 2 is movably connected to the middle of the socket 1, the piston rod 3 is provided with a rubber piston at the bottom and a cylindrical rod at the top, the length of the piston rod 3 is smaller than the size of the socket 1, the piston rod 3 has the transmission effect, the diameter of the through hole 4 is smaller than the radius of the piston rod 3, the through hole 4 has the effect of facilitating the flow of the magnetorheological fluid 2, and the through holes 4 are uniformly distributed on the inner wall of the piston rod 3;

the middle part of the bottom of the piston rod 3 is fixedly connected with an electromagnet I5, the magnetism generated outside the electromagnet I5 is opposite to the magnetism generated inside the electromagnet II 6, the electromagnet I5 and the electromagnet II 6 play a role in changing the viscosity of the magnetorheological fluid 2, the size of a dielectric plate 7 is smaller than that of the piston rod 3, the dielectric plate 7 plays a role in changing the voltage of a circuit, the spring I8 is a compression spring, the diameter of the spring I8 is larger than that of the top of the piston rod 3, the spring I8 plays a role in enabling the piston rod 3 to recover to the initial state downwards, the electromagnet II 6 is fixedly connected to the inner wall of the piston rod 3 and the outer side close to the through hole 4, the dielectric plate 7 is fixedly connected to the middle part of the piston rod 3, the spring I8 fixedly connected with the inner top wall of the socket 1 is sleeved on the outer side of the piston, the size of the positive plate 9 is the same as that of the negative plate 10, the positive plate 9 and the negative plate 10 play a role in changing the circuit voltage, the movable block 11 is made of a hard high-strength material, the movable block 11 does not have conductivity, and the movable block 11 plays a role in transmission;

the magnetism of the inner side of the electromagnetic third 12 is opposite to that of the outer side of the magnetic block 18, the electromagnetic third 12 plays a role in magnetic adsorption, the inner wall of the socket 1 is fixedly connected with a negative plate 10 which is symmetrical to the right side of the positive plate 9, the top of the socket 1 is movably connected with a movable block 11 which is fixedly connected with the top of the piston rod 3, the inner wall of the movable block 11 is fixedly connected with the electromagnetic third 12, the inner wall of the movable block 11 is provided with a clamping groove 13, the size of the clamping groove 13 is smaller than that of the movable block 11, the clamping groove 13 plays a role in limiting the movement of the insertion block 15, the depth of the clamping groove 14 is smaller than that of the movable block 11, the spring second 16 is an extension spring, the diameter of the spring second 16 is smaller than that of the clamping block 17, the top of the movable block 11 is provided with a clamping groove 14 which is communicated with the inner side of the clamping groove 13, the inner wall of the fixture block 17 is fixedly connected with a magnet 18.

The working principle is as follows: when the plug is not plugged, as shown in fig. 3, at this time, the piston rod 3 moves to the bottom under the action of the first spring 8, and at this time, the first electromagnet 5 and the second electromagnet 6 have smaller magnetism, so that the viscosity of the magnetorheological fluid 2 is lower, and at this time, the dielectric plate 7 reduces the relative area of the positive plate 9 and the negative plate 10 to the minimum, and at the same time, the movable block 11 contracts into the socket 1;

when the plug is plugged in, as shown in fig. 1, the electromagnetic third 12 is in a power-on state and generates magnetism, the clamping block 17 is clamped with the clamping groove 13 under the mutual attraction effect of the electromagnetic third 12 and the magnetic block 18, the inserting block 15 and the movable block 11 are relatively fixed, when the plug is pulled out suddenly, the inserting block 15 drives the movable block 11 to move upwards together, the movable block 11 drives the piston rod 3 to move upwards together, after the dielectric plate 7 moves upwards, the relative area of the positive plate 9 and the negative plate 10 is increased, the magnetism of the electromagnetic first 5 and the electromagnetic second 6 is increased, the viscosity of the magnetorheological fluid 2 between the electromagnetic first 5 and the electromagnetic second 6 is increased, the damping value of the piston rod 3 is increased, the plug is effectively prevented from being pulled out by mistake, and the stability of the dish washing machine is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent mistake and pull out plug and socket for domestic dish washer, includes socket (1), its characterized in that: the magnetorheological fluid is movably connected to the middle of the socket (1), a piston rod (3) is movably connected to the middle of the socket (1), through holes (4) which are uniformly distributed are formed in the inner wall of the piston rod (3), a first electromagnetic coil (5) is fixedly connected to the middle of the bottom of the piston rod (3), a second electromagnetic coil (6) is fixedly connected to the inner wall of the piston rod (3) and the outer side of the piston rod, which is close to the through holes (4), a dielectric plate (7) is fixedly connected to the middle of the piston rod (3), a first spring (8) fixedly connected to the inner top wall of the socket (1) is sleeved on the outer side of the piston rod (3), a positive plate (9) is fixedly connected to the inner wall of the socket (1) and the left side of the piston rod (3), a negative plate (10) symmetrical to the right side of the positive plate (9) is fixedly connected to the inner, the inner wall fixedly connected with electromagnetism of movable block (11) is three (12), draw-in groove (13) have been seted up to the inner wall of movable block (11), slot (14) with the inboard intercommunication of draw-in groove (13) are seted up at movable block (11) top, the top of movable block (11) is pegged graft and is had inserted block (15), the equal fixedly connected with spring two (16) in both sides of inserted block (15) bottom, outside fixedly connected with fixture block (17) of spring two (16), the inner wall fixedly connected with magnetic path (18) of fixture block (17).

2. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the material of the socket (1) is hard high-strength material, and the socket (1) has no conductivity.

3. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the magnetorheological fluid (2) is a suspension formed by mixing micro soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid.

4. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the piston rod (3) is composed of a rubber piston at the bottom and a cylindrical rod at the top, and the length of the piston rod (3) is smaller than the size of the socket (1).

5. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the diameter of the through hole (4) is smaller than the radius of the piston rod (3).

6. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: magnetism generated on the outer side of the first electromagnet (5) is opposite to magnetism generated on the inner side of the second electromagnet (6), the size of the dielectric plate (7) is smaller than that of the piston rod (3), the first spring (8) is a compression spring, and the diameter of the first spring (8) is larger than that of the top of the piston rod (3).

7. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the size of the positive plate (9) is the same as that of the negative plate (10), the material of the movable block (11) is hard high-strength material, the movable block (11) has no electric conductivity, and the magnetism of the inner side of the electromagnet (12) is opposite to that of the outer side of the magnetic block (18).

8. The plug and socket for the household dish washing machine for preventing the mistaken pulling of the dish washing machine as claimed in claim 1, wherein: the size of the clamping groove (13) is smaller than that of the movable block (11), the depth of the slot (14) is smaller than the height of the movable block (11), and the second spring (16) is an extension spring and the diameter of the second spring (16) is smaller than that of the clamping block (17).