CN209805016U

CN209805016U - Electric coupling structure and electric kettle thereof

Info

Publication number: CN209805016U
Application number: CN201921137296.6U
Authority: CN
Inventors: 陈毅强; 杨毅新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2019-12-17
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to an electric coupling structure, which comprises an upper coupler arranged on an electric appliance and a lower coupler arranged on a power supply base, wherein the upper coupler and the lower coupler are coupled with each other; the upper coupler is provided with an upper positioning part and an upper guide part, the upper positioning part is the inner wall of a cylinder outside the upper coupler, and the upper guide part is an arc concave surface or a conical concave surface at the bottom of the upper coupler; the lower coupler is provided with a lower positioning part and a lower guide part, the lower positioning part is the outer wall of a cylinder outside the lower coupler, and the lower guide part is an arc convex surface or a conical convex surface at the top of the lower coupler; the upper positioning part and the lower positioning part are mutually matched in a positioning way; the upper guide part and the lower guide part are matched with each other to guide the upper coupler and the lower coupler to be coupled and connected. The electric coupling structure has the advantages of simple design, reasonable structure, reliable performance, convenient combination and good user experience.

Description

Electric coupling structure and electric kettle thereof

Technical Field

The utility model relates to a household appliance specifically is an electricity connection coupling structure and electric kettle thereof.

Background

The traditional electric heating kettle or health preserving kettle and other electric appliances need to be matched with a base for use, and particularly, the electric appliances are combined with the corresponding base to obtain required electric energy; the kettle body and the base are often electrically connected to each other by providing a coupling structure. The existing coupling structure comprises an upper coupler arranged on the kettle body and a lower coupler arranged on the base, wherein the lower coupler is generally in a cylinder structure with a plane top surface.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a simple in design, rational in infrastructure, dependable performance, combination are convenient, user use experience good connect electric coupling structure and electric kettle.

The purpose of the utility model is realized like this:

An electric coupling structure comprises an upper coupler arranged on an electric appliance and a lower coupler arranged on a power supply base, wherein the upper coupler and the lower coupler are mutually coupled; the method is characterized in that: the upper coupler is provided with an upper positioning part and an upper guide part, the upper positioning part is the inner wall of a cylinder outside the upper coupler, and the upper guide part is an arc concave surface or a conical concave surface at the bottom of the upper coupler; the lower coupler is provided with a lower positioning part and a lower guide part, the lower positioning part is the outer wall of a cylinder outside the lower coupler, and the lower guide part is an arc convex surface or a conical convex surface at the top of the lower coupler; the upper positioning part and the lower positioning part are mutually matched in a positioning way; the upper guide part and the lower guide part are matched with each other to guide the upper coupler and the lower coupler to be coupled and connected.

The upper guide part is an arc concave surface or a conical concave surface with a high center and a low peripheral side; the lower guide part is an arc convex surface or a conical convex surface with a high center and a low peripheral side.

The lower coupler comprises more than two layers of lower coupling rings arranged at intervals inside and outside; the outer wall of the outmost lower coupling ring forms the lower positioning part; the heights of the top surfaces of the upper and lower coupling rings are gradually reduced from inside to outside, and the top surfaces of the upper and lower coupling rings are arranged on the lower guide part.

The upper coupler comprises more than two layers of upper coupling rings arranged at intervals inside and outside, the inner wall of the upper coupling ring on the outermost layer forms the upper positioning part, and the upper positioning part and the lower positioning part are mutually inserted and matched; the heights of the bottom surfaces of the upper coupling rings of more than two layers are gradually reduced from inside to outside, and the bottom surfaces of the upper coupling rings of more than two layers are arranged on the upper guide part.

The upper coupling rings and the lower coupling rings are mutually in staggered fit, a first ring groove suitable for being inserted into the corresponding lower coupling ring is formed between every two adjacent upper coupling rings, and a second ring groove suitable for being inserted into the corresponding upper coupling ring is formed between every two adjacent lower coupling rings.

The innermost lower coupling ring is internally provided with a central hole, the upper coupler also comprises a contact pin arranged at the center, and when the upper coupler is coupled and connected with the lower coupler, the contact pin is inserted into the central hole.

More than one layer of upper coupling rings are made of conductive materials, and the upper coupling rings are electrically connected with electric elements on the electric appliance; conductive contacts are arranged on more than one layer of lower coupling rings and are electrically connected with a main control board on the power supply base; when the upper coupler and the lower coupler are coupled and connected with each other, the upper coupling ring is electrically connected with the corresponding conductive contact, so that the electrical connection between the electrical element and the main control board is realized.

The height difference between two adjacent upper coupling rings is delta h1, and delta h1 is more than 0mm and less than or equal to 3mm, preferably 2 mm; and/or the height difference between two adjacent lower coupling rings is delta h2, and the delta h2 is more than 0mm and less than or equal to 3mm, and preferably 2 mm.

An electric kettle is characterized in that: including the above-mentioned electric coupling structure.

The utility model has the advantages as follows:

The upper guide part is arranged on the upper coupler and/or the lower guide part is arranged on the lower coupler, so that the effect of automatic guiding and positioning is realized, the upper coupler and the lower coupler are effectively guided to be mutually coupled and connected, the use convenience of the electric coupling structure is improved, and the use experience of a user is improved; in addition, last coupler sets up location portion, and location portion under the coupler setting, go up location portion and reach effectual location effect with location portion down through the mode of mutually supporting grafting, guarantee to use the effective location of electrical apparatus on the power supply base, prevent to shift with electrical apparatus and influence the validity of electricity connection, avoid the maloperation to empty the electrical apparatus simultaneously, improve the safety in utilization.

Drawings

Fig. 1 is an enlarged schematic view (cross-sectional view) of a lower coupler in a power supply base according to a first embodiment of the present invention.

Fig. 2 is an enlarged schematic view (cross-sectional view) of an upper coupler in an electric appliance according to a first embodiment of the present invention.

Fig. 3 is an assembly schematic view (cross-sectional view) of the electric appliance and the power supply base according to the first embodiment of the present invention.

Fig. 4 is an exploded schematic view (cross-sectional view) of the power consumption device and the power supply base according to the first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a power supply base according to a first embodiment of the present invention.

Fig. 6 is a schematic view of a partial structure of an electric appliance according to a first embodiment of the present invention.

Fig. 7 is an enlarged schematic view (cross-sectional view) of a lower coupler in a power supply base according to an embodiment of the present invention.

Fig. 8 is an enlarged schematic view (cross-sectional view) of an upper coupler in an electric appliance according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

referring to fig. 1 and 2, the electrical coupling structure according to the present embodiment can be applied to at least electric heating kettles, health preserving kettles, and other household appliances. The electric coupling structure comprises an upper coupler 3 arranged at the bottom of an electric appliance 1 and a lower coupler 4 arranged at the top of a power supply base 6, wherein when the electric appliance 1 is placed on the power supply base 6, the upper coupler 3 and the lower coupler 4 are mutually coupled and connected, so that a main control board 5 on the power supply base 6 is mutually and electrically connected with an electric element 2 on the electric appliance 1, and the electric appliance 1 can normally work; in order to improve the coupling convenience of the upper and lower couplers, the upper coupler 3 is provided with an upper positioning part a1 and an upper guide part B1, the upper positioning part a1 is the inner wall of the cylinder outside the upper coupler 3, and the upper guide part B1 is an arc-shaped concave surface at the bottom of the upper coupler 3; the lower coupler 4 is provided with a lower positioning part A2 and a lower guide part B2, the lower positioning part A2 is the outer wall of the cylinder outside the lower coupler 4, and the lower guide part B2 is an arc convex surface at the top of the lower coupler 4; when the electric appliance 1 and the power supply base 6 are combined with each other, the upper positioning portion a1 and the lower positioning portion a2 are mutually positioned and matched, and the upper guide portion B1 and the lower guide portion B2 are mutually matched to guide the upper coupler 3 and the lower coupler 4 to be coupled and connected. Because the upper guide part B1 is an arc concave surface and the lower guide part B2 is an arc convex surface, when the electric appliance 1 is combined with the power supply base 6, the upper coupler 3 and the lower coupler 4 can be effectively guided to be mutually coupled and connected under the interaction of the arc concave surface and the arc convex surface, the combination convenience is greatly improved, and the user experience is good; go up location portion A1 and lower location portion A2 mutually support to peg graft and use electric appliance 1 and power supply base 6 effective positioning, avoid the relative power supply base 6 of electric appliance 1 lateral shifting to appear, can guarantee the electricity connection between each other on the one hand, on the other hand can prevent to topple over because of the mistake touches with electric appliance 1, effectively improves the stability of electric connection and the security of use.

Further, the upper guide portion B1 is an arc-shaped concave surface with a high center and a low peripheral side; the lower guide part B2 is an arc convex surface with high center and low periphery, and the upper guide part B1 and the lower guide part B2 are matched in structural shape; when the power consumption electric appliance 1 is combined with the power supply base 6, the upper coupler 3 slightly moves on the lower coupler 4, the upper coupler 3 can automatically find out the coupling position on the lower coupler 4 under the interaction of the arc-shaped concave-convex surface, and the upper coupler 3 is automatically coupled with the lower coupler 4 under the action of gravity, so that the operation is very convenient and reliable, and the user experience is good.

Further, the lower coupler 4 includes more than two layers (four layers in this embodiment) of lower coupling rings 401 arranged at intervals inside and outside; the outer wall of the outermost lower coupling ring 401 forms a cylindrical lower positioning portion a 2; the heights of the top surfaces of the two or more layers (four layers in this embodiment) of lower coupling rings 401 decrease gradually from inside to outside, and the top surfaces of the two or more layers (four layers in this embodiment) of lower coupling rings 401 are on the lower guide portion B2, that is, the top surfaces of the lower coupling rings 401 are arranged in an arc convex surface; each lower coupling ring 401 is a sleeve structure extending upward from the top of the power supply base 6.

Further, the upper coupler 3 includes more than two layers (four layers in this embodiment) of upper coupling rings 301 arranged at intervals inside and outside, the inner wall of the outermost upper coupling ring 301 forms a cylindrical upper positioning portion a1, and the upper positioning portion a1 and the lower positioning portion a2 are in plug-in fit with each other; the heights of the bottom surfaces of the two or more layers (four layers in this embodiment) of upper coupling rings 301 decrease gradually from inside to outside, and the bottom surfaces of the two or more layers (four layers in this embodiment) of upper coupling rings 301 are on the upper guide portion B1, that is, the bottom surfaces of the upper coupling rings 301 are in an arc-shaped concave layout.

Further, the upper coupling rings 301 and the lower coupling rings 401 are mutually in staggered fit, a first ring groove 403 suitable for inserting the corresponding lower coupling ring 401 is arranged between every two adjacent upper coupling rings 301, and a second ring groove 303 suitable for inserting the corresponding upper coupling ring 301 is arranged between every two adjacent lower coupling rings 401; the upper coupler 3 and the lower coupler 4 achieve the coupling purpose in a mutually matched and inserted mode, the structure is simple and reasonable, and the coupling performance is stable and reliable.

Further, a central hole 404 is formed in the innermost lower coupling ring 401, the upper coupler 3 further includes a pin 302 disposed at the center, and when the upper coupler 3 is coupled with the lower coupler 4, the pin 302 is fittingly inserted into the central hole 404.

Further, in the present embodiment, each upper coupling ring 301 is made of a conductive metal material and is a sleeve surrounded by a metal sheet, and the upper coupling ring 301 is electrically connected to the electrical element 2 inside the electrical appliance 1; more than one layer of upper and lower coupling rings 401 are provided with conductive contacts 402, and the conductive contacts 402 are electrically connected with the main control board 5 at the inner side of the power supply base 6; when the upper coupler 3 and the lower coupler 4 are coupled and connected with each other, the upper coupling ring 301 is electrically connected to the corresponding conductive contact 402, so as to electrically connect the electrical component 2 to the main control board 5, and the main control board 5 can supply the electrical component 2 with the required electric energy, so that the electrical component 2 can normally operate.

Furthermore, the height difference between two adjacent upper coupling rings 301 is Δ h1, 0mm < [ delta ] h1 is less than or equal to 3mm, and the height difference Δ h1 of the embodiment is preferably 2 mm; the height difference between two adjacent lower coupling rings 401 is delta h2, 0mm < [ delta ] h2 is less than or equal to 3mm, and the height difference delta h2 of the embodiment is preferably 2 mm.

Referring to fig. 3-6, an electric kettle comprises the above-mentioned electric coupling structure; wherein, the electric appliance 1 is an electric kettle body; the electric element 2 is a heat generating element such as: an electric heating tube, a quartz tube, etc.

Second embodiment

Referring to fig. 7 and 8, the electrical coupling structure of the present embodiment is different from that of the first embodiment in that: the upper guide portion B1 is a tapered concave surface at the bottom of the upper coupler 3; the lower guide portion B2 is a tapered convex surface at the top of the lower coupler 4.

Further, the upper guide portion B1 is a tapered concave surface with a high center and a low peripheral side; the lower guide portion B2 is a conical convex surface with a high center and a low peripheral side.

Further, the height difference Δ h1 between two adjacent upper coupling loops 301 is preferably 3 mm; the height difference Δ h2 between two adjacent lower coupling rings 401 is preferably 3 mm.

Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric coupling structure comprises an upper coupler (3) arranged on an electric appliance (1) and a lower coupler (4) arranged on a power supply base (6), wherein the upper coupler (3) and the lower coupler (4) are mutually coupled and connected; the method is characterized in that: the upper coupler (3) is provided with an upper positioning part (A1) and an upper guide part (B1), the upper positioning part (A1) is the inner wall of a cylinder at the outer side of the upper coupler (3), and the upper guide part (B1) is an arc concave surface or a conical concave surface at the bottom of the upper coupler (3); the lower coupler (4) is provided with a lower positioning part (A2) and a lower guide part (B2), the lower positioning part (A2) is the outer wall of a cylinder on the outer side of the lower coupler (4), and the lower guide part (B2) is an arc convex surface or a conical convex surface at the top of the lower coupler (4); the upper positioning part (A1) and the lower positioning part (A2) are mutually positioned and matched; the upper guide part (B1) and the lower guide part (B2) are matched with each other to guide the upper coupler (3) and the lower coupler (4) to be coupled and connected.

2. The electrical coupling of claim 1, wherein: the upper guide part (B1) is an arc concave surface or a conical concave surface with a high center and a low peripheral side; the lower guide part (B2) is an arc convex surface or a conical convex surface with high center and low periphery.

3. The electrical coupling according to claim 1 or 2, wherein: the lower coupler (4) comprises more than two layers of lower coupling rings (401) which are arranged at intervals inside and outside; the outer wall of the outermost lower coupling ring (401) forms the lower positioning portion (a 2); the heights of the top surfaces of the more than two layers of lower coupling rings (401) are gradually reduced from inside to outside, and the top surfaces of the more than two layers of lower coupling rings (401) are arranged on the lower guide part (B2).

4. The electrical coupling of claim 3, wherein: the upper coupler (3) comprises more than two layers of upper coupling rings (301) which are arranged at intervals inside and outside, the inner wall of the upper coupling ring (301) on the outermost layer forms the upper positioning part (A1), and the upper positioning part (A1) is mutually inserted and matched with the lower positioning part (A2); the heights of the bottom surfaces of more than two layers of upper coupling rings (301) are gradually reduced from inside to outside, and the bottom surfaces of more than two layers of upper coupling rings (301) are arranged on the upper guide part (B1).

5. The electrical coupling structure of claim 4, wherein: go up coupling ring (301) and lower coupling ring (401) dislocation fit from top to bottom each other, have between two adjacent coupling rings (301) to be suitable for inserting first annular (403) that correspond lower coupling ring (401), have between two adjacent lower coupling rings (401) to be suitable for inserting second annular (303) that correspond upper coupling ring (301).

6. The electrical coupling structure of claim 5, wherein: a central hole (404) is formed in the innermost lower coupling ring (401), the upper coupler (3) further comprises a pin (302) arranged in the center, and when the upper coupler (3) is coupled with the lower coupler (4), the pin (302) is inserted into the central hole (404).

7. The electrical coupling structure of claim 4, wherein: more than one layer of upper coupling rings (301) are made of conductive materials, and the upper coupling rings (301) are electrically connected with the electric elements (2) on the electric appliance (1); conductive contacts (402) are arranged on more than one layer of lower coupling rings (401), and the conductive contacts (402) are electrically connected with a main control board (5) on a power supply base (6); when the upper coupler (3) and the lower coupler (4) are coupled and connected with each other, the upper coupling ring (301) is electrically connected with the corresponding conductive contact (402), so that the electrical connection between the electrical element (2) and the main control board (5) is realized.

8. The electrical coupling structure of claim 4, wherein: the height difference between two adjacent upper coupling rings (301) is delta h1, and delta h1 is more than 0mm and less than or equal to 3 mm; and/or the height difference between two adjacent lower coupling rings (401) is delta h2, and the delta h2 is more than 0mm and less than or equal to 3 mm.

9. The electrical coupling of claim 8, wherein: the height difference delta h1 between two adjacent upper coupling rings (301) is 2 mm; and/or the height difference delta h2 between two adjacent lower coupling rings (401) is 2 mm.

10. An electric kettle is characterized in that: comprising an electrical coupling structure according to claim 1.