CN107348833B

CN107348833B - Electric rice cooker

Info

Publication number: CN107348833B
Application number: CN201710668950.5A
Authority: CN
Inventors: 陈锡堂
Original assignee: Guangdong Meixiang Electrical Appliance Co ltd
Current assignee: Guangdong Meixiang Electrical Appliance Co ltd
Priority date: 2017-08-08
Filing date: 2017-08-08
Publication date: 2023-01-31
Anticipated expiration: 2037-08-08
Also published as: CN107348833A

Abstract

The invention discloses an electric cooker which comprises a shell, a middle layer, an electric heating disc, an inner container, a middle ring and a top cover, wherein the middle layer is arranged in the shell, the inner container is arranged on the electric heating disc in the middle layer, the middle ring is arranged on the shell, the top cover is hinged on the middle ring, the electric cooker also comprises a mechanical switch, the mechanical switch comprises a handle, a lever arm, a lever seat and an electrode plate switch assembly, the electrode plate switch assembly comprises an upper fixing ring, an upper insulating gasket, a negative electrode plate, an isolation gasket, a positive electrode plate, a lower insulating gasket, a lower fixing ring and a fixing cylinder, the lower end of the fixing cylinder is connected with the lower fixing ring, and the upper end of the fixing cylinder sequentially penetrates through the lower insulating gasket, the positive electrode plate, the isolation gasket, the negative electrode plate and the upper insulating gasket to be connected with the upper fixing ring. Because the electrode plate switch components in the mechanical switch are fixed together to form an independent component, during installation, only screws are required to penetrate through the fixed cylinder and be connected with screw holes in the lever seat, and therefore, the mechanical switch is very convenient to assemble.

Description

Electric rice cooker

Technical Field

The invention relates to a kitchen ware, in particular to an electric cooker.

Background

The patent title of the mechanical electric cooker is 203524439U which is disclosed by the national intellectual property office on 2014, 4.9.9.A lever mechanism is connected between the magnetic steel component and the mechanical control switch and comprises a magnetic steel lever, a magnetic steel lever seat and a pull rod, wherein the magnetic steel lever seat is fixed on the outer cooker and is provided with a fulcrum corresponding to the magnetic steel lever, the pull rod is arranged at one end of the magnetic steel lever and is in abutting fit with the bottom of the magnetic steel component, the other end of the magnetic steel lever is movably connected with the mechanical control switch, and a microswitch externally connected with the heating device is arranged below the magnetic steel lever. 2. The mechanical electric rice cooker as claimed in claim 1, wherein the magnetic steel lever comprises a transverse portion, an inclined portion and a longitudinal portion, the magnetic steel lever seat is connected to the inclined portion, the transverse portion is disposed below the magnetic steel assembly, the pull rod is connected to an end portion of the transverse portion, the magnetic steel lever seat is provided with a hole groove, the inclined portion is provided with a square shaft rotatably connected with the hole groove, and the longitudinal portion extends upwards along the side wall of the outer pot. 3. The mechanical electric cooker as claimed in claim 2, wherein the mechanical control switch comprises a first key linkage group and a second key linkage group which are arranged on the shell, the first key linkage group comprises keys and protrusions arranged in the middle of the keys, and the protrusions are correspondingly contacted with the outer surface of the longitudinal part of the magnetic steel lever; the second key linkage group comprises a second key, a cross rod transversely extending from the bottom of the second key and a lower push rod jointed with the cross rod, wherein a rotating shaft is arranged in the middle of the lower push rod, and the lower part of the lower push rod is in contact fit with the inner surface of the longitudinal part of the magnetic steel lever. 4. The mechanical electric rice cooker as claimed in claim 2 or 3, wherein the magnetic steel lever seat comprises a transverse portion, an upper inclined portion and a lower inclined portion, the upper inclined portion and the lower inclined portion are respectively arranged at two ends of the transverse portion, a longitudinal portion is arranged at the end of the lower inclined portion, the transverse portion of the magnetic steel lever seat is fixed on the outer pot, the upper inclined portion contacts with arc surfaces at two sides of the bottom of the outer pot, the lower inclined portion fixes the micro switch, and a switch contact of the micro switch movably abuts against the bottom of the transverse portion of the magnetic steel lever. The mechanical switch of the above patent is different from the structure of the patent. The above patent has the defect of time and labor waste in the process of production and assembly.

Disclosure of Invention

The invention aims to provide an electric cooker convenient to assemble.

In order to realize the purpose, the technical scheme adopted by the invention is as follows:

an electric cooker comprises a shell, a middle layer, an electric heating disc, an inner container, a middle ring and a top cover, wherein the middle layer is arranged in the shell, the electric heating disc is arranged in the middle layer, the inner container is arranged on the electric heating disc in the middle layer, the middle ring is arranged on the shell, the top cover is hinged on the middle ring, the electric cooker also comprises a mechanical switch, the mechanical switch comprises a handle, a lever arm, a lever seat and an electrode plate switch assembly, a positive electrode plate and a negative electrode plate in the electrode plate switch assembly are connected in a circuit of the electric heating disc, the lever seat is arranged at the bottom of the middle layer, the lever arm penetrates through the lever seat and is hinged on the lever seat, one end of the lever arm extends out of the shell and is connected with the handle, the other end of the lever arm is positioned below an electromagnetic coil in the middle of the bottom surface of the middle layer, a push rod is arranged on the lever arm, the electrode plate switch assembly comprises an upper insulating gasket, a negative electrode plate, an isolating gasket, a positive electrode plate, a lower insulating gasket, a lower fixing ring and a fixing cylinder, the upper insulating gasket are connected with the upper insulating ring, and a screw penetrates through the fixing cylinder to fix the fixing plate assembly on the lever seat; under the action of the gravity of the lever arm, the ejector rod is pressed on the positive electrode plate in a jacking mode to enable the positive electrode plate and the negative electrode plate to be disconnected, when the handle at one end of the lever arm is pressed, the other end of the lever arm moves upwards to enable the ejector rod to move upwards, the positive electrode plate and the negative electrode plate conduct circuits of the electric heating plate and the electromagnetic coil, and the other end of the lever arm is sucked by magnetic force generated by the electromagnetic coil.

The invention has the beneficial effects that: because the electrode plate switch component in the mechanical switch is fixed together to form an independent component, during installation, only the screw penetrates through the fixing cylinder and is connected with the screw hole on the lever seat, and the upper insulating washer, the negative electrode plate, the isolating washer, the positive electrode plate and the lower fixing ring are not required to be sequentially installed, so that the assembly is very convenient.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural view of the electrode sheet switch assembly shown in fig. 1.

In the figure: 1. a housing; 2. A middle layer; 3. An electric heating plate; 4. an inner container; 5. a middle ring; 6. a top cover; 7. a handle; 8. a lever arm; 9. a lever base; 10. an electrode plate switch assembly; 11. a top rod; 12. an electromagnetic coil; 13. an upper retainer ring; 14. an upper insulating washer; 15. a negative electrode plate; 16. a spacer washer; 17. a positive electrode plate; 18. a lower insulating washer; 19. a lower retainer ring; 20. a fixed cylinder; 21. and (4) screws.

Detailed Description

As shown in fig. 1 and 2, an electric cooker comprises a housing 1, a middle layer 2, an electric heating disc 3, an inner container 4, a middle ring 5 and a top cover 6, wherein the middle layer 2 is arranged in the housing 1, the electric heating disc 3 is arranged in the middle layer 2, the inner container 4 is arranged on the electric heating disc 3 in the middle layer 2, the middle ring 5 is arranged on the housing 1, the top cover 6 is hinged on the middle ring 5, the electric cooker further comprises a mechanical switch, the mechanical switch comprises a handle 7, a lever arm 8, a lever seat 9 and an electrode plate switch assembly 10, a positive electrode plate and a negative electrode plate in the electrode plate switch assembly 10 are connected in a circuit of the electric heating disc, the lever seat 9 is arranged at the bottom of the middle layer 2, the lever arm 8 passes through the lever seat 9 and is hinged on the lever seat 9, one end of the lever arm 8 extends out of the housing 1 to be connected with the handle 7, the other end of the lever arm 8 is positioned below an electromagnetic coil 12 in the middle of the bottom of the middle layer 2, a push rod 11 is arranged on the lever seat 8, the lever seat comprises an upper fixing ring 13, an upper insulating washer 14, an upper insulating washer 15, a lower insulating washer 16, a lower fixing washer 18, a lower fixing washer 19 and a lower fixing washer 20, which are connected with an insulating washer 18, and an insulating washer 10, which are connected with an upper insulating washer 18, and a lower insulating washer 10, which are connected with an insulating washer 10, and an insulating washer 10, which are connected with an insulating washer 10; under the action of the gravity of the lever arm 8, the ejector rod 11 is pressed on the positive electrode plate 17 to disconnect the positive electrode plate 17 and the negative electrode plate 15, when the handle 7 at one end of the lever arm is pressed, the other end of the lever arm 8 moves upwards to enable the ejector rod 11 to move upwards, the positive electrode plate 17 and the negative electrode plate 15 conduct the electric heating plate and the circuit of the electromagnetic coil, the magnetic force generated by the electromagnetic coil 12 sucks the other end of the lever arm 8, and at the moment, the electric heating plate 3 starts to work.

While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an electric cooker, includes shell, middle level, electric heating plate, inner bag, zhonghuan and top cap, and the middle level is established in the shell, and electric heating plate establishes in the zhonghuan, and the inner bag is established on well intraformational electric heating plate, and the zhonghuan is established on the shell, and the top cap articulates on the zhonghuan, its characterized in that: the electric heating coil is characterized by further comprising a mechanical switch, the mechanical switch comprises a handle, a lever arm, a lever seat and an electrode plate switch assembly, a positive electrode plate and a negative electrode plate in the electrode plate switch assembly are connected in a circuit of the electric heating coil, the lever seat is arranged at the bottom of the middle layer, the lever arm penetrates through the lever seat and is hinged to the lever seat, one end of the lever arm extends out of the shell and is connected with the handle, the other end of the lever arm is located below an electromagnetic coil at the middle of the bottom surface of the middle layer, an ejector rod is arranged on the lever arm, the electrode plate switch assembly comprises an upper fixing ring, an upper insulating gasket, a negative electrode plate, an isolating gasket, a positive electrode plate, a lower insulating gasket, a lower fixing ring and a fixing cylinder, the lower end of the fixing cylinder is connected with the lower fixing ring, the upper end of the fixing cylinder sequentially penetrates through the lower insulating gasket, the positive electrode plate, the isolating gasket, the negative electrode plate and the upper insulating gasket and is connected with a screw hole in the lever seat, and the switch electrode plate assembly is fixed on the lever seat; under the action of the gravity of the lever arm, the ejector rod is pressed on the positive electrode plate in a jacking mode to enable the positive electrode plate and the negative electrode plate to be disconnected, when the handle at one end of the lever arm is pressed, the other end of the lever arm moves upwards to enable the ejector rod to move upwards, the positive electrode plate and the negative electrode plate conduct circuits of the electric heating plate and the electromagnetic coil, and the other end of the lever arm is sucked by magnetic force generated by the electromagnetic coil.