CN201911871U

CN201911871U - Electric pressure cooker

Info

Publication number: CN201911871U
Application number: CN2010206438271U
Authority: CN
Inventors: 蔡才德; 高晖
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2010-12-06
Filing date: 2010-12-06
Publication date: 2011-08-03
Anticipated expiration: 2020-12-06

Abstract

An electric pressure cooker belongs to the technical field of pressure cooking utensils, and comprises an outer casing, an outer pot mounted in the outer casing and an inner pot mounted in the outer pot in a sleeved mode. Clamping grooves are fixed to the edge of the outer pot, a pot cover is provided with fastening edges corresponding to the clamping grooves, and the pot cover and the outer pot are fastened through the clamping grooves and the fastening edges. The electric pressure cooker is characterized in that each clamping groove is provided with an upper folding surface, a lower folding surface and an upright surface used for connecting the upper folding surface with the lower folding surface, the lower folding surface is at least provided with an opening (41) with two surfaces fixed on the edge of the outer pot and an upper side (42) connected with the opening (41). Pressure bearing capacity is improved by change of the joint surface of the clamping grooves and the outer pot, and the thickness and the cost of the outer pot are effectively reduced.

Description

A kind of electric pressure cooking saucepan

Technical field

The utility model belongs to the pressure cooking appliance technical field, relates to the electric pressure cooking saucepan that improves bearing strength particularly.

Background technology

Commercially available electric pressure cooking saucepan, its structure comprises pot cover, outer pot and interior pot, interior pot is positioned in the outer pot, the outer pot oral area is provided with outer buckle tooth, the pot cover oral area is provided with internal buckle tooth, and pot cover and outer pot fasten by the mode of screwing, and pot cover is realized wiper seal by sealing ring and interior pot, but also there is following shortcoming in this structure: because pot cover is provided with internal buckle tooth, inside is cleaned difficulty and is cleaned inside button facing and easily the user damaged (1); (2) owing to the outer buckle tooth part mould complex process of pot cover and outer pot, the product size precision is low, and service life is short.

China utility model patent CN201504989U(was 2010.06.16 in open day), the inventor has proposed a kind of caliper brake pressure cooker, it is characterized by and be equiped with the button tooth that is provided with buckled recess on the top of outer pot, pot cover is provided with and can be incorporated into the edge of buckleing in the set groove of tooth of buckleing by turn buckle, this technical scheme has changed conventional fastening structure, has new meaning, but it also has following shortcoming: the outer pot pot tooth of conventional structure electric pressure cooking saucepan is to strengthen bearing strength by the curved tooth of whole circle flange, its pressure-bearing surface is the flange of the whole circle of outer pot, bearing strength is big, and technical scheme that CN201504989U carries is arranged at the outer pot top for independently detaining tooth, its pressure-bearing surface is not the whole circle of an outer pot flange, but the outer pot oral area independent face knuckle place corresponding at button tooth place with it, satisfy the bearing strength at the outer pot oral area independent face knuckle place corresponding with it, thickness originally then can not meet the demands, and must increase thickness and can satisfy bearing strength, and its cost significantly improves.

The utility model content

For overcoming big, the defect of high cost of prior art pressure cooker difficulty of processing, the utility model provides a kind of processing simple in structure, easy, electric pressure cooking saucepan that cost is low.

At above essential technique problem, the corresponding technical solution scheme of the utility model is:

A kind of electric pressure cooking saucepan, comprise shell, be installed in the outer pot in the shell and be set in the interior interior pot of outer pot, clamp are fixed on the outer pot edge, pot cover is provided with the buckle edge corresponding with clamp, pot cover and outer pot are by clamp and buckle edge and be interlocked, it is characterized in that clamp have upper folding surface, lower folding surface and are connected both vertical surface, described lower folding surface has two faces at least and is fixed in the oral area at outer pot edge and the upper lateral part that oral area links to each other.

Lower folding surface comprise with the approximately parallel plane of upper folding surface and with the downward vertical plane of this plane rounding off, the plane is fixed on the oral area at outer pot edge, the then corresponding upper lateral part that links to each other with oral area that is fixed in of vertical plane.The shape of lower folding surface and outer pot edge are roughly similar, all are orthogonal one-tenth dihedral, and two dihedrals are fixed, and the clamp bearing capacity is strengthened.

Above-mentioned vertical surface is curved surface or plane, and the various combinations that are shaped as plane and curved surface of clamp fasten as long as formation buckled recess and pot cover relative set are buckled edge.

Further, the lower folding surface length of described clamp helps strengthening bearing strength greater than upper folding surface length.

The utility model clamp are fixedlyed connected by screw with outer pot, or connect by riveted and fixed, or fixedly connected by crimping, or weld fixedly connected.

Clamp quantity is 3-6, preferred 4.Because the pot bore is generally 20cm or 22cm in the existing electric pressure cooking saucepan, uncap owing to need to satisfy, dislocation area between the clamp should be greater than in the buckling surface area of pot cover, pot cover just can be put into and folding like this, when clamp quantity is set to 4, relative span between its each clamp is more reasonable, the angle of folding lid is about about 45 degree, folding angle basically identical with existing electric pressure cooking saucepan, the operating habit that meets existing consumer, its pressure-bearing surface span is average, and existing pot cover thickness can satisfy, and it is also comparatively convenient to clean.CN201504989U clamp quantity is set to 2, owing to the relative span between 2 buckling surfaces is bigger, checking after tested, the thickness of the existing electric pressure cooking saucepan pot cover in market all can not satisfy its bearing strength, pressure can promptly appear rushing down in the service pressure scope, as increase its pot cover thickness, the then corresponding increase of cost, and when clamp quantity is 2, folding lid angle is bigger, reached about 90 degree, differ bigger with existing product folding lid angle (30～45 degree), consumer's operating difficulties, when clamp quantity is 3 or 5, it can satisfy span and bearing requirements and the requirement of folding lid angle, but when causing the actual product design owing to its asymmetry, its industrial design difficulty increases, product development cycle increases, can not very easy realization industrialization, when clamp quantity was 5 or 6, its span and bearing requirements and the angle of uncapping all can meet the demands, but cost increases and cleans difficulty, so when clamp quantity is set to 4, the cost of the simplest and the most approaching existing electric pressure cooking saucepan product of Product industrialization and operation requirement.

Compare CN201504989U, the utility model beneficial effect is that lower folding surface has two faces at least and is fixed in the oral area at outer pot edge and the upper lateral part that oral area links to each other, in use, the oral area at the dihedral of lower folding surface and outer pot edge and upper lateral part be pressure-bearing simultaneously, strengthen bearing capacity, can on existing design basis, reduce the thickness and the cost of outer pot.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model electric pressure cooking saucepan.

Fig. 2 is the utility model electric pressure cooking saucepan cover structure schematic diagram.

Fig. 3 is the utility model electric pressure cooking saucepan clamp and outer pot syndeton schematic diagram.

Fig. 4 is Fig. 3 outer pot oral area cut-away enlarged view;

Fig. 5 a, Fig. 5 b and Fig. 6 a, Fig. 6 b are respectively the schematic diagram of two kinds of clamp structures of the utility model electric pressure cooking saucepan.Wherein Fig. 5 b is the cut-away view of Fig. 5 a, and Fig. 6 b is the cut-away view of Fig. 6 a.

Reference numeral is among Fig. 1-4: pot cover 1, button edge 11, clamp 2, clamp upper folding surface 21, clamp lower folding surface 22, shell 3, outer pot 4, outer pot oral area 41, outer pot upper lateral part 42, interior pot 5.

The specific embodiment

Below by specific embodiment the utility model is described further.

Electric pressure cooking saucepan of the present utility model comprises pot cover 1, clamp 2, shell 3, outer pot 4, interior pot 5, outer pot 4 places in the shell 3, and interior pot 5 places in the outer pot 4, clamp 2 are fixed on the outer pot edge, and pot cover is provided with corresponding with the clamp edge 11 of buckleing, and pot cover and outer pot are by clamp and buckle edge and be interlocked.

Clamp have upper folding surface 21, lower folding surface 22 and the vertical surface that is connected both.

See Fig. 4, described lower folding surface 22 has two approximately perpendicular, forms square and is fixed in outer pot oral area 41 and the continuous outer pot upper lateral part 42 of oral area.

Fig. 2 is the utility model electric pressure cooking saucepan pot cover 1 structural representation.Pot cover 1 periphery be provided with cooperate with clamp 2 buckle edge 11, button edge 11 quantity are 4, the clamp 2 on the outer pot also relative set are 4, pot cover 1 is by screwing and clamp 2 are realized fastening.

Fig. 3 demonstrates the formalness that electric pressure cooking saucepan clamp 2 are connected with outer pot 4, and four clamp 2 evenly are arranged on the oral area of outer pot.

Fig. 4 is the structural representation that the lower folding surface of clamp 2 is connected with outer pot 4 oral areas and sidepiece.These clamp be "

" shape; lower folding surface has orthogonal two faces; this angled face is separately fixed at the upper lateral part of outer pot oral area and outer pot; clamp and outer pot 2 are by being threaded; riveted joint; crimping or welding achieve a fixed connection, because clamp 2 bottoms are provided with the angled face that matches with outer pot oral area and upper lateral part shape, realization is to the reinforcement of outer pot 4 oral areas.

The shape of clamp 2 is not limited to shown in Fig. 5 a and Fig. 5 b, can also for "

" shape, the vertical surface that promptly connects upper folding surface 21 and lower folding surface 22 is a curved surface, the lower folding surface length of clamp 2 is higher than the length of upper folding surface.

The user is positioned over interior pot 5 in the outer pot 4 in use, and pot cover 1 is buckled on the outer pot 4, and the edge 11 of buckleing of pot cover 1 is mistake with clamp 2 and puts the position, rotation pot cover 1 certain angle, and pot cover is buckled the buckled recess that edge 11 slips into clamp 2, forms to fasten.When uncapping, rotation pot cover 1 certain angle, pot cover is buckled edge 11 and is skidded off clamp 2, when being mistake and putting the position, button edge 11 and clamp 2 can uncap, when pot inner pressure increases, clamp and outer pot oral area 41 and outer pot upper lateral part 42 common pressure-bearings, thus the requirement of outer pot to compare CN201504989U low, cost reduces.

In sum; after those of ordinary skill in the art reads the utility model file; need not creative mental labour according to the technical solution of the utility model and technical conceive and make other various corresponding conversion scheme, all belong to the scope that the utility model is protected.

Claims

1. electric pressure cooking saucepan, comprise shell, be installed in the outer pot in the shell and be set in the interior interior pot of outer pot, clamp are fixed on the outer pot edge, pot cover is provided with the buckle edge corresponding with clamp, pot cover and outer pot are by clamp and buckle edge and be interlocked, it is characterized in that clamp have upper folding surface, lower folding surface and are connected both vertical surface, described lower folding surface has two faces at least and is fixed in the oral area (41) at outer pot edge and the upper lateral part (42) that links to each other with oral area.

2. electric pressure cooking saucepan as claimed in claim 1, it is characterized in that lower folding surface comprise with the approximately parallel plane of upper folding surface and with the downward vertical plane of this plane rounding off, the plane is fixed on the oral area (41) at outer pot edge, the then corresponding upper lateral part (42) that links to each other with oral area that is fixed in of vertical plane.

3. electric pressure cooking saucepan as claimed in claim 1 is characterized in that described vertical surface is curved surface or plane.

4. electric pressure cooking saucepan as claimed in claim 1, the lower folding surface length that it is characterized in that clamp is greater than upper folding surface length.

5. electric pressure cooking saucepan as claimed in claim 4 is characterized in that clamp fixedly connected by screw with outer pot, or connects by riveted and fixed, or fixedly connected by crimping, or welds fixedly connected.

6. electric pressure cooking saucepan as claimed in claim 5 is characterized in that clamp quantity is 3-6.

7. electric pressure cooking saucepan as claimed in claim 6 is characterized in that clamp quantity is 4.