CN212810798U

CN212810798U - Coupler and kettle base provided with same

Info

Publication number: CN212810798U
Application number: CN202021769114.XU
Authority: CN
Inventors: 熊灿军
Original assignee: Shenzhen Nannanfeng Electronic Co Ltd
Current assignee: Shenzhen Nannanfeng Electronic Co Ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-03-26
Anticipated expiration: 2030-08-22

Abstract

The utility model discloses a coupler and a thermos base provided with the coupler, which comprises a female seat, wherein an electric conductor used for conducting electricity is arranged inside the female seat, the electric conductor comprises a first metal conductor and a second metal conductor, and a first contact finger spring and a second contact finger spring are respectively arranged on the first metal conductor and the second metal conductor; when the insert ring of the electric appliance base is inserted into the female seat, the two contact finger springs surround the outer surface of the insert ring to increase the contact area between the electric conductor and the insert ring, so that the problems of heating, scalding and burning of the electric appliance caused by few contact surfaces between the electric conductor and the insert ring are solved. Because the female seat is also provided with the isolating column with a hollow inner part, the first metal conductor can be sleeved on the outer surface of the isolating column, and the second metal conductor can be arranged in the isolating column, so that the problem that the two metal conductors interfere with each other during working is effectively solved, and meanwhile, the external structure of the female seat is further optimized.

Description

Coupler and kettle base provided with same

Technical Field

The utility model relates to the technical field of household electrical appliance equipment, in particular to a coupler and a thermos base provided with the coupler.

Background

The existing electric heating kettles which are the products circulated in the market are listed, and have the following defects: the female seat of the electric appliance base and the inserting ring at the bottom of the electric appliance have the problems of small contact area, easy deformation, looseness, heating, electric leakage, ignition and the like due to simple structure. The small size of the electric appliance can cause the burning of the connected electric appliance, and the large size of the electric appliance can cause serious safety accidents such as the ignition of the electric appliance and the burning of other buildings.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupler, the increase inserts the area of contact of ring and electric conductor, solves the problem that plug and socket easily generate heat.

Another object of the present invention is to provide a base of a thermos, which is connected to the coupler to provide a reliable support for the coupler.

To achieve the first purpose, the utility model adopts the following technical proposal: a coupler comprises a female seat, wherein a conductive body for conducting electricity is arranged on the female seat; the conductor comprises a first metal conductor and a second metal conductor, and a first contact finger spring and a second contact finger spring are arranged in the first metal conductor and the second metal conductor; the first metal conductor, the second metal conductor, the first contact finger spring and the second contact finger spring are connected with an insert ring on an electric appliance base inserted into the female seat, so that the circuit is conducted.

As the utility model discloses a preferred technical scheme: the first metal conductor is provided with an accommodating cavity for accommodating the first contact finger spring, and the second metal conductor is provided with an accommodating bin for accommodating the second contact finger spring; the first metal conductor is used for being connected with a live wire of a power supply, and the second metal conductor is used for being connected with a zero wire of the power supply.

As the utility model discloses a preferred technical scheme: the female seat is also provided with a mounting hole, and a metal elastic sheet used for being connected with a ground wire is arranged in the mounting hole.

As the utility model discloses a preferred technical scheme: an isolation column with a hollow interior is arranged at the circle center of the female seat; the first metal conductor is arranged inside the isolation column, and the second metal conductor is sleeved outside the isolation column.

As the utility model discloses a preferred technical scheme: the first metal conductor is fixedly arranged inside the isolation column through a first fixed seat, and the second metal conductor is fixed in the female seat through a second fixed seat; the isolation column and the inner wall of the female seat are provided with vertical mounting grooves, and the conductive body is fixedly connected with the female seat through the mounting grooves and protrusions arranged on the first fixing seat and the second fixing seat in a matched mode.

As the utility model discloses a preferred technical scheme: the outer circumferential surfaces of the first fixing seat and the second fixing seat are respectively provided with a buckle, and the electric conductor is fixed on the female seat through the fixed connection of the buckles and the female seat.

In order to achieve another purpose, the utility model provides a thermos base, which comprises a base, wherein the coupler is arranged on the base, and the convex ring arranged at the outer edge of the female base at intervals is connected with the ring groove in the base in an adaptive manner.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: 1. when the insert ring of the electric appliance base is inserted into the female seat, the two contact finger springs surround the outer surface of the insert ring to increase the contact area between the electric conductor and the insert ring, so that the problems of heating, scalding and burning of the electric appliance caused by few contact surfaces between the electric conductor and the insert ring are solved.

2. Because the female seat is also provided with the isolating column with a hollow inner part, the first metal conductor can be sleeved on the outer surface of the isolating column, and the second metal conductor can be arranged in the isolating column, so that the problem that the two metal conductors interfere with each other during working is effectively solved, and meanwhile, the external structure of the female seat is further optimized.

Drawings

Fig. 1 is a schematic diagram of a main structure of the coupler of the present invention;

fig. 2 is an exploded schematic view of the coupler of the present invention;

FIG. 3 is a schematic view of the main structure of the electrical conductor of the present invention;

FIG. 4 is a schematic partial cross-sectional view of the electrical conductor of the present invention;

fig. 5 is a schematic view of the assembly of the base and the coupler of the present invention;

fig. 6 is a schematic view of the main structure of the base of the present invention.

In the figure: 1. a female seat; 2. a second fixed seat; 3. an isolation column; 4. a first fixed seat; 5. a metal spring sheet; 6. mounting holes; 7. a first finger spring; 8. a first metal conductor; 9. a second finger spring; 10. a second metal conductor; 11. a protrusion; 12. mounting grooves; 13. buckling; 14. an accommodating bin; 15. an accommodating chamber; 16. an electrical conductor; 17. a convex ring; 18. a base; 19. and a ring groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a coupler comprises a female seat 1, wherein a conductive body 16 for conducting electricity is arranged on the female seat 1; the electric conductor 16 comprises a first metal conductor 8 and a second metal conductor 10, and a first contact finger spring 7 and a second contact finger spring 9 are arranged in the first metal conductor 8 and the second metal conductor 10; the first metal conductor 8, the second metal conductor 10, the first contact finger spring 7 and the second contact finger spring 9 are connected with an insert ring on an electrical appliance base inserted into the female seat 1, so that the circuit is conducted.

Through the technical scheme, the two contact finger springs are wound into a plurality of circles of annular springs with oval cross sections by using the elastic metal wire.

Is characterized in that: the inner diameters of the first contact finger spring 7 and the second contact finger spring 9 are smaller than the diameter of an inserting ring at the bottom of the electric appliance, the diameter is about 0.2 mm to 2 mm, after the inserting ring at the bottom of the electric appliance is inserted into the female seat 1, all ring diameters at the inner sides of the two contact finger springs can tightly hold the inserting ring at the bottom of the electric appliance, and a contact point of each contact finger spring, which is tightly held at the bottom of the electric appliance, is a current conduction point and is connected with a first metal conductor 8 and a second metal conductor 10 through a live wire, so that the current passing performance is greatly improved.

The principle is that when the insert ring at the bottom of the electric appliance is inserted into the female seat 1 to work, the outer sides of the two contact finger spring ring diameters are not changed, the inner sides of the two contact finger spring ring diameters incline towards one direction along with the insert ring at the bottom of the electric appliance when entering, the inner diameters of the two contact finger spring ring diameters are changed along with the inclination angle of the inner sides of the ring diameters, and accordingly the inner diameters of the two contact finger spring ring diameters are increased, and the requirement that the size of the insert ring at the.

In order to further provide a moving space for the two finger springs and fix the two finger springs, an accommodating cavity 15 for accommodating the first finger spring 7 is arranged on the first metal conductor 8, and an accommodating bin 14 for accommodating the second finger spring 9 is arranged on the second metal conductor 10; wherein the first metal conductor 8 is adapted to be connected to a live line of a power supply and the second metal conductor 10 is adapted to be connected to a neutral line of the power supply.

For further assurance power consumption safety, avoid the emergence of the electric leakage injury people's incident still be equipped with mounting hole 6 on the female seat 1, and be equipped with in the mounting hole 6 and be used for the metal shrapnel 5 of being connected with the ground wire, utilize mounting hole 6 installation metal shrapnel 5 simultaneously, wherein the portion of bending of 5 upper ends of metal shrapnel is located mounting hole 6, therefore make metal shrapnel 5 installation and fixed convenient, the metal shrapnel 5 also is more close to the power simultaneously, consequently when taking place the electric leakage, can be fast timely guide the power to the underground, guarantee power consumption safety.

In order to further optimize the structure of the device and facilitate the assembly of the electric conductor 16, an isolation column 3 with a hollow inner part is arranged at the center of the circle of the female seat 1; the first metal conductor 8 is installed inside the isolation column 3, the second metal conductor 10 is sleeved outside the isolation column 3, and the electric conductor 16 is sleeved on the isolation column 3, so that the two metal conductors are isolated from each other, mutual interference during work is avoided, and meanwhile, the electric conductor 16 is conveniently installed on the female seat 1.

In order to further facilitate the installation and fixation of the electric conductor 16, the first metal conductor 8 is fixedly installed inside the isolation column 3 through an arranged first fixed seat 4, and the second metal conductor 10 is fixed in the female seat 1 through an arranged second fixed seat 2; the isolation column 3 and the inner wall of the female seat 1 are both provided with vertical mounting grooves 12, and the mounting grooves 12 are in adaptive connection with protrusions 11 arranged on the first fixing seat 4 and the second fixing seat 2, so that the electric conductor 16 is fixedly connected with the female seat 1.

Further, the conductive body 16 is prevented from being loosened, the first fixing seat 4 and the second fixing seat 2 are provided with the buckles 13 on the outer circumferential surfaces thereof, and the conductive body 16 is fixed on the female seat 1 by fixedly connecting the buckles 13 with the female seat 1.

Referring to fig. 1-6, the present invention further provides an embodiment: namely: a base of a thermos comprises a base 18, wherein the coupler is arranged on the base 18, and convex rings 17 arranged at intervals on the outer edge of a female base 1 are in fit connection with annular grooves 19 arranged in the base 18. Through the scheme, the coupler is more stably installed, so that the coupler is conveniently connected with the hot water kettle, the problem that the existing coupler is few in contact point and easy to heat is solved, and the problem that the coupler is fixed is solved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A coupler comprising a female housing (1), characterized in that: the female seat (1) is provided with a conductive body (16) for conducting electricity;

the electric conductor (16) comprises a first metal conductor (8) and a second metal conductor (10), and a first contact finger spring (7) and a second contact finger spring (9) are arranged in the first metal conductor (8) and the second metal conductor (10);

the first metal conductor (8), the second metal conductor (10), the first contact finger spring (7) and the second contact finger spring (9) are connected with an insert ring on an electrical appliance base inserted into the female seat (1), so that the circuit is conducted.

2. A coupler according to claim 1, wherein: an accommodating cavity (15) for accommodating the first contact finger spring (7) is formed in the first metal conductor (8), and an accommodating bin (14) for accommodating the second contact finger spring (9) is formed in the second metal conductor (10); wherein the first metal conductor (8) is for connection with a live line of a power supply and the second metal conductor (10) is for connection with a neutral line of the power supply.

3. A coupler according to claim 1 or 2, wherein: the female seat (1) is further provided with a mounting hole (6), and a metal elastic sheet (5) used for being connected with a ground wire is arranged in the mounting hole (6).

4. A coupler according to claim 1, wherein: an isolation column (3) with a hollow inner part is arranged at the circle center of the female seat (1); the first metal conductor (8) is installed inside the isolation column (3), and the second metal conductor (10) is sleeved outside the isolation column (3).

5. A coupler according to claim 4, wherein: the first metal conductor (8) is fixedly arranged in the isolation column (3) through a first fixed seat (4), and the second metal conductor (10) is fixed in the female seat (1) through a second fixed seat (2); vertical mounting grooves (12) are formed in the inner walls of the isolation column (3) and the female seat (1), and the electric conductor (16) is connected with the female seat (1) in a fixed mode through the mounting grooves (12) and protrusions (11) arranged on the first fixing seat (4) and the second fixing seat (2) in a matched mode.

6. A coupler according to claim 5, wherein: the outer circumferential surfaces of the first fixing seat (4) and the second fixing seat (2) are respectively provided with a buckle (13), and the electric conductor (16) is fixed on the female seat (1) through the fixed connection of the buckles (13) and the female seat (1).

7. A thermos base which is characterized in that: comprises a base (18), a coupler according to any one of claims 1-6 is arranged on the base (18), and convex rings (17) arranged at intervals on the outer edge of the female seat (1) are matched and connected with a ring groove (19) arranged in the base (18).