CN110600930B

CN110600930B - Overflow-proof connector lower seat

Info

Publication number: CN110600930B
Application number: CN201910941002.3A
Authority: CN
Inventors: 杨立阳; 郑和生; 杨强
Original assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Current assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2022-07-22
Anticipated expiration: 2039-09-30
Also published as: CN110600930A

Abstract

The utility model provides a spill proof water connector is seat down, its installs in the mounting hole of electric heater base, including insulating seat shell down and install a plurality of wiring reed on insulating seat shell back down, insulating seat shell down on be equipped with the several barrier ring muscle that central reference column, concentric circle set up respectively, with the peripheral ring platform of outermost level barrier ring muscle ring joint, peripheral ring platform lower surface on open have with electric heater base bottom plate cooperation spacing installation constant head tank, the upper surface of peripheral ring platform is for sealing not having fluting finish and along the radial downward setting of slope, the maximum diameter of peripheral ring platform is greater than the diameter of mounting hole. The back that will install the constant head tank setting at insulating lower shell, the upper surface of insulating lower shell is complete surface, and the leakproofness is strong, and has effectively avoided the overflow problem, even have liquid infiltration also because the slant is derived below, keeps away from and keeps apart electric connecting part, waterproof and thoroughly eliminated the potential safety hazard, guaranteed again with electric heating base bottom plate between be connected spacingly.

Description

Overflow-proof connector lower seat

Technical Field

The invention relates to the field of electric appliance connectors, in particular to a connector lower seat of an electric tea set type electric appliance.

Background

Electric tea set class electrical apparatus that generally on the market includes the kettle body and base, and the kettle body is sat on the base, is provided with the connector that supplies the electric connectivity to be connected between kettle body bottom and the base, and the connector is including setting up the last connector in kettle body bottom and installing the lower connector at the base, lower connector stretch out the mounting hole of seting up in the middle of the base and spacing through the lock joint of breach on the lower connector casing and base. The existing electric connectors and couplers for household appliances generally control the performance of products in terms of water and moisture overflow and the like by arranging clearance limitation at the connecting ends, and make the products meet the relevant test requirements. For example, an electrical connector of the electric kettle may be provided on a base of the electric kettle, and a connection end of the electrical connector is configured to have a circular groove structure. However, when the electrical connector is accidentally drenched or used in a relatively humid environment for a long time, water drops are easy to remain in various small gaps of the connector due to the action of the surface tension of water, and particularly, the electrical gap or the creepage distance is reduced due to the buckling limit position on the connector. Further, the problem of failure or abnormality occurs, and the test yield is not high when the electric connector is tested and verified by the overflow test.

Disclosure of Invention

The invention aims to provide a lower connector seat which has the advantages of simple structure, tight connection and high overflow test passing rate aiming at the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an anti-overflow water connector is seat down, its installs in the mounting hole of electric heater base, including insulating seat shell and install a plurality of wiring reed on insulating seat shell back down, insulating seat shell down on be equipped with the several isolating ring muscle that central reference column, concentric circle set up, with the peripheral ring platform of outermost level isolating ring muscle ring joint respectively, peripheral ring platform lower surface on open have with electric heater base bottom plate cooperation spacing installation constant head tank, the upper surface of peripheral ring platform is for sealing not having the complete face of fluting and along the radial downward setting that inclines, the maximum diameter of peripheral ring platform is greater than the diameter of mounting hole.

As an improvement: the upper surface of peripheral ring platform be the grade form that falls, peripheral ring platform include with base mounting hole adaptation complex one-level platform ring promptly, connect at one-level platform ring periphery edge and butt at the second grade platform ring of base mounting hole edge below, the installation constant head tank set up the lower surface at second grade platform ring.

As an improvement: the peripheral ring table also comprises a third-stage table ring connected to the peripheral edge of the second-stage table ring, and the upper surface of the third-stage table ring is obliquely and downwards arranged along the radial direction.

As an improvement: one or more downward bent lugs are further arranged at the outermost edge of the peripheral ring platform far away from the mounting hole and the wiring reed, and the downward bent lugs integrally formed with the edge of the peripheral ring platform form a downward water guide channel at the edge of the peripheral ring platform.

As an improvement: the bottom of the insulating lower base shell is provided with an insulating surrounding wall which extends downwards and is arranged along the periphery of the wiring reeds in a surrounding mode, and the insulating surrounding wall is divided among the wiring reeds.

According to the anti-overflow connector lower seat, the installation positioning groove is formed in the back face of the insulating lower seat shell, the upper surface of the insulating lower seat shell is a complete surface, the sealing performance is high, the overflow problem is effectively avoided, even if liquid permeates, the inclined lower face is led out, the electric connection part is far away and isolated, water is prevented, and potential safety hazards are thoroughly eliminated. The overflow test passing rate of the electric connector is improved through the structural design, the safety performance of the electric connector is improved, meanwhile, the use safety of the electric connector in a humid environment is also improved, compared with the design of improving the overflow test passing rate through materials or coatings, the electric connector is low in cost, and the passing rate and the safety can be further improved through the combination of the materials or coatings according to the requirements of customers. Moreover, the design ensures that the connection between the base plate and the electric heating base is spacing, the base plate can be compatible with the structural design of the existing base plate, the whole volume is small, the structure is more compact, and the structure is small and practical.

The invention is further described with reference to the following figures and detailed description.

Drawings

Fig. 1 is a schematic structural view of an electric heater base with a lower seat of a water overflowing preventing connector of the present invention.

FIG. 2 is a schematic view of an overall structure of an embodiment of the lower seat of the connector for preventing water overflow in FIG. 1

Fig. 3 is a rear view illustrating the structure of the lower seat of the connector for preventing flooding of fig. 2.

Detailed Description

As shown in fig. 1, 2 and 3, a specific embodiment of the lower seat of the connector for preventing water overflow of the present invention is that the lower seat of the connector is installed in a base of an electric heater, the base of the electric heater is formed by vertically assembling an upper cover 3 and a bottom plate 6, the middle of which is provided with a mounting hole, and the lower seat of the connector for preventing water overflow is installed in an accommodating cavity formed by the upper cover and the bottom plate through the mounting hole. Anti-overflow water connector lower seat including insulating lower seat shell 1 and install a plurality of wiring reed 2 on insulating lower seat shell 1 back, insulating lower seat shell 1 on be equipped with several barrier ring muscle 12 that central reference column 11, concentric circles set up respectively, with peripheral ring platform 13 of outermost level barrier ring muscle ring joint, peripheral ring platform 13 lower surface on open have with the spacing installation constant head tank 4 of electric heater base bottom plate cooperation, peripheral ring platform 13's upper surface is for sealing not having the complete face of fluting and following the radial downward setting that inclines, peripheral ring platform 13's maximum diameter is greater than the diameter of mounting hole. For the connection is firm, be convenient for assemble and improve waterproof nature, the peripheral loop platform 13 upper surface of this embodiment is the grade form that falls, peripheral loop platform 13 includes with base mounting hole adaptation complex one-level platform ring 131, connect at one-level platform ring 131 periphery edge and butt second grade platform ring 132, the connection of base mounting hole edge below tertiary platform ring 133 at second grade platform ring 132's periphery edge, installation constant head tank 4 set up the lower surface at second grade platform ring 132, tertiary platform ring 133 upper surface along the radial downward setting of slope. Tertiary platform ring 133 lower surface outermost fringe be the outer protruding edge 135 of slant, second grade platform ring 132 and tertiary platform ring 133 lower surface whole be for protruding edge being interior concave surface, installation constant head tank 4 set up on interior concave surface, make the peripheral ring platform 13 thickness of whole anti-overflow water connector shell body not change, can compatible current electric heater base's structural design, need not to change in addition. And the convex edge 135 can effectively block and guide the liquid to flow outwards, so that the liquid accumulation is prevented, and the safety and the stability of the connector are guaranteed.

In order to further improve waterproof nature, prevent the hydrops, guarantee the safety and stability of electric connection part, peripheral ring platform outermost edge is kept away from the mounting hole and is still equipped with one or more down bent ear 134 with wiring reed position, forms decurrent water guide channel with peripheral ring platform edge integrated into one piece's down bent ear 134 at peripheral ring platform edge. The bottom of the lower insulating base shell 1 is provided with an insulating surrounding wall 5 which extends downwards and is arranged along the periphery of the wiring reeds in a surrounding mode, and the insulating surrounding wall 5 is separated among the wiring reeds. The downward bending lug 134 can lead liquid to be guided and discharged downwards and outwards, meanwhile, the insulating surrounding wall 5 surrounds the wiring reed, liquid entering the lower seat of the connector is effectively isolated from entering the wiring reed, namely a power supply wiring terminal, the wiring reed is kept dry, the problem that the wiring terminal is easily oxidized by liquid immersion is solved, and the service life and the safety performance of a product are improved.

Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited thereto, and various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lower seat of anti-overflow water connector, its installs in the mounting hole of electric heater base, including insulating lower seat shell (1) and install a plurality of wiring reed (2) on insulating lower seat shell (1) back, its characterized in that: the insulating lower seat shell (1) is respectively provided with a central positioning column (11), a plurality of isolating ring ribs (12) arranged in a concentric circle manner and a peripheral ring platform (13) connected with the outermost isolating ring ribs in an annular manner, the lower surface of the peripheral ring platform (13) is provided with an installation positioning groove (4) matched and limited with the electric heater base bottom plate (6), the upper surface of the peripheral ring platform (13) is a closed non-slotted complete surface and is obliquely and downwards arranged along the diameter, the maximum diameter of the peripheral ring platform (13) is greater than that of an installation hole, the upper surface of the peripheral ring platform (13) is in a falling stage shape, namely the peripheral ring platform (13) comprises a primary platform ring (131) matched with the base installation hole and a secondary platform ring (132) connected at the peripheral edge of the primary platform ring (131) and abutted against the edge of the base installation hole, the installation positioning groove (4) is arranged at the lower surface of the secondary platform ring (132), peripheral ring platform still including connecting tertiary platform ring (133) at the periphery edge of second grade platform ring (132), tertiary platform ring (133) upper surface along the radial downward setting that inclines, tertiary platform ring (133) lower surface outermost edge be oblique outside protruding edge (135), second grade platform ring (132) and tertiary platform ring (133) lower surface whole be interior concave surface for protruding edge, installation constant head tank (4) set up on interior concave surface.

2. The spill-resistant connector lower base of claim 1, wherein: one or more lower bent lugs (134) are further arranged at the outermost edge of the peripheral ring platform far away from the mounting hole and the wiring reed, and the lower bent lugs (134) integrally formed with the edge of the peripheral ring platform form a downward water guide channel at the edge of the peripheral ring platform.

3. The connector lower seat for preventing flooding according to claim 1 or 2, characterized in that: the bottom of the lower insulating base shell (1) is provided with an insulating surrounding wall (5) which extends downwards and is arranged along the periphery of the wiring reed in a surrounding manner, and the insulating surrounding wall (5) is separated among a plurality of wiring reeds.