CN101836819A

CN101836819A - Structure for fastening pressure cooking utensil

Info

Publication number: CN101836819A
Application number: CN201010178800A
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: 2009-10-15
Filing date: 2010-05-21
Publication date: 2010-09-22
Anticipated expiration: 2030-05-21
Also published as: CN101836819B

Abstract

The invention discloses a structure for fastening a pressure cooking utensil, which consists of a pot cover (1) and a pot body. The pot body comprises a middle base or a shell and an inner pot (5) which is arranged in the pot; a sealing ring (2) is arranged between the inner pot and the pot cover; and the pot cover and the pot body are fastened or separated through screwing. The structure is characterized in that: more than two clamps (4) are fixed on the middle base or the edge of the shell along the circumference; the clamps are provided with more than one fastening part; the pot cover (1) is provided with a pot cover buckle (1-1) which is matched with the fastening parts; and when the pot cover (1) and the clamps (4) are fastened in the screwing mode, the pot cover buckle slides into the fastening parts. The pot cover and the clamps have the advantages of simple manufacturing technology, low requirement on the dimensional precision, and low cost. Obvious gaps are not formed on the pot cover, so the user is prevented from being hurt during cleaning. The assembly and use are simple; the inner part of the pot cover and the clamps are convenient to clean; and because the opening of the inner pot is not provided with a fastening face, the cover is easy to open or close.

Description

A kind of fastening structure of pressure cooking appliance

Technical field

The invention belongs to the pressure cooking appliance technical field, specifically, relate to the fastening structure of a kind of cap and interior pot.

Background technology

Pressure cooking appliance in the market comprises pot cover component and pot body portion, and the pot body portion comprises middle seat, base and interior pot etc., and pot cover and interior pot fastening structure are essentially following several substantially:

1. be provided with outside button facing at interior pot oral area, the pot cover oral area is provided with the inside facing of buckleing, both fasten by the mode of screwing, and commercially available common naked light pressure cooker is to adopt this structure basically, and the shortcoming of this structure is: pot cover is owing to be provided with the inside facing of buckleing, the inner inside button facing that cleans difficulty and clean damages the user easily, interior pot oral area is owing to be buckling surface, and the folding lid is difficult, pot cover mould process complexity, the product size precision is low, and service life is short.

2. at the outer pot oral area outside buckling surface is set, interior pot places in the outer pot, the pot cover oral area is provided with the inside facing of buckleing, pot cover and outer pot fasten by the mode of screwing, commercially available electric pressure cooking saucepan product adopts this kind structure basically, because interior pot oral area is not a buckling surface, the folding lid is lighter, but also there is following shortcoming in this structure: pot cover is owing to be provided with the inside facing of buckleing, and the inner inside button facing that cleans difficulty and clean damages the user easily, and owing to increased outer pot, outer pot also need satisfy requirement of strength, and cost obviously increases, pot cover and outer pot mould process complexity, the product size precision is low, and service life is short.

3. at interior pot oral area outside buckling surface is set, the pot cover oral area is not provided with buckling surface but sets up plural movable clamp, realize fastening by clamp and interior pot oral area buckling surface, top, market naked light pressure cooker and electric pressure cooking saucepan have this structure of employing, this structure is not because the pot cover oral area is provided with buckling surface, pot cover is inner to be cleaned conveniently, the folding lid also relatively easily, but because pot cover is provided with clip, clip inside causes again cleaning or to clean difficulty, owing to movable clip complex structure, cost significantly increases simultaneously.

A kind of rotating clamp jaw type pressure cooker has just been proposed in patent CN02284718.9, it is provided with the clamp that can be clamped on pot body and the pot cover, on clamp, be provided with guide post, pot cover is provided with the gathering sill of ccontaining guide post, one end of connecting rod and clamp flexibly connect, and the axis of the other end and pot cover handle flexibly connects, this structure pot cover clamp structure complexity, clean difficulty, cost is higher.

The proposition similar structures is arranged in patent CN200420085596, its junction between loam cake and pot body be provided with by rotation with its lock for one or separate after opening by a plurality of wedges and the device that constitutes of groove of cooperation with it, this invention is because wedge only plays the anti-effect of opening to cap, its planform can't apply to pressure cooking appliance, the wedge bottom is not provided with the pressure-bearing part of pot body, can only be used for no pressure cooking appliances such as electric cooker, simultaneously because its pot cover is provided with open slot at marginating compartment.Cause occurring breach, user's inconvenience when cleaning, difficult cleaning reaches and easily damages.

Summary of the invention

Use cleaning inconvenience for overcoming prior art pressure cooker fastening structure, cost is higher, the defective that the product precision is low, and it is lower to the invention provides a kind of cost, easy cleaning, pressure cooking appliance buckling device easy to use.

For realizing the object of the invention, adopt following technical scheme:

A kind of fastening structure of pressure cooking appliance, comprise pot cover and pot body composition, the pot body comprises middle seat or housing and places its interior interior pot, in establish sealing ring, pot cover and pot body between pot and the pot cover and fasten or separate by screwing, seat or shell rim are fixed with plural clamp along circumference in it is characterized in that, clamp has more than one

Buckling parts, pot cover is provided with the pot cover that is complementary with the clamp buckling parts and buckles, when pot cover and clamp fastened by the mode of screwing, pot cover was buckled and is slid in the buckling parts.

Pressure cooking appliance buckling device of the present invention, clamp quantity are 2-10.

Further, described pot cover is circular or oval, and peripheral surface part outwards protrusion formation pot cover is buckled,

Described clamp buckling parts possesses with pot cover buckles the radian that cooperates, and the buckling parts upper folding surface is the buckling surface that fastens with pot cover, and lower folding surface is as the supporting surface of interior pot.

It is pot cover self punching press or the formation that stretches that described pot cover is buckled.

Or pot cover buckle as a separate piece and pot cover by welding, rivet or be threaded.

Pressure cooking appliance buckling device of the present invention, it is not provided with inside buckling parts at the pot cover oral area, but adopt oval lid or buckle at the external pot cover of putting evagination that encloses of circular lid, buckle with buckling parts by pot cover and realize to fasten, inner clean convenient, simultaneously because clip and pot cover are two parts independently, the clip place cleans convenient, simultaneously, this structure has substituted original outer pot with the structure that clamp is fixed in shell, and cost significantly reduces.Interior pot oral area is owing to be not buckling surface, and the folding lid is also relatively lighter.

The present invention is the pressure cooking appliance fastening structure compared to existing technology, and its beneficial effect mainly shows:

(1) pot cover of the present invention and clamp manufacture craft are simple, and dimension precision requirement is low, and cost is lower.

(2) the present invention's assembling and use are simple, and pot cover inside and clamp all clean conveniently.

(3) the present invention is not because interior pot oral area is a buckling surface, and the folding lid also relatively easily.

Description of drawings

Fig. 1-2 is an overall structure schematic diagram of the present invention, and Fig. 2 bows to view for Fig. 1's.

Fig. 3-4 is a cover structure schematic diagram of the present invention, and Fig. 4 is the upward view of Fig. 3.

Fig. 5-6 is the structural representation of part clamp of the present invention, and Fig. 6 bows to view for Fig. 5's.

The structural representation that Fig. 7 separates for pot cover of the present invention and pot body.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described.

Embodiment 1

The fastening structure of a kind of pressure cooking appliance shown in Fig. 1-7 comprises pot cover 1, sealing ring 2, middle seat 3, clamp 4 and interior pot 5, and clamp 4 is connected with middle seat 3 by fixedly connected mode, and interior pot 5 places in the seat 3.

Pot cover 1 is circular, be provided with outside pot cover in the peripheral surface of circle and buckle 1-1,1-1 buckled by pot cover and clamp 4 is complementary, when pot cover 1 and clamp 4 are realized fastening by the mode of screwing, 1-1 buckled by the pot cover of pot cover 1 and clamp 4 is fastened and connected, and pot cover 1 is realized sealing with interior pot 5 by sealing ring 2.

Pot cover is buckled and be can be pot cover self punching press formation, also can pass through welding by miscellaneous part and pot cover, riveted joint, and thread connecting mode is formed, and in like manner, when pot cover is ellipse, also can utilize oval-shaped characteristics formation buckling surface, just no longer gives unnecessary details at this.

Clamp 4 possesses with pot cover buckles the radian that the 1-1 buckling surface matches, and clamp 4 has more than one

Buckling parts, be inside folding face up and down, upper folding surface 4-1 is as the buckling surface that fastens with pot cover 1.Lower folding surface 4-2 is as the supporting surface of interior pot 5, and its folding face can be clamp self punching press or bending forms, also can be by miscellaneous part by welding, and riveted joint, thread connecting mode is formed, and embodiment of the invention clamp 4 is two, also can be designed as 3 or 4.

When pot cover 1 and clamp 4 fastened by the mode of screwing, pot cover was buckled and is slid in the buckling parts.With the clamp supination, upper surface that pot cover is buckled and clamp buckling parts upper folding surface 4-1 are buckling surface.Because the last lower folding surface of clamp directly plays the pressure-bearing effect of cap and pot body, middle seat just plays the effect of stationary clamp, so this structure can apply in the existing electric pressure cooker structure, clamp is fixed in middle seat, also can apply to similar more cheaply pot for cooking rice structure, it directly is fixed on shell with clamp, and has saved middle seat, further reduces cost.

Fig. 7 is the schematic diagram after pot cover 1 is deviate from clamp 4, and after pot cover 1 rotated to an angle, the pot cover of the evagination of pot cover 1 was buckled and left clamp 4, and pot cover 1 can wholely take out, and can independently clean and place, and clamp 4 cleans also very convenient owing to simple in structure.

Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.

Claims

1. the fastening structure of a pressure cooking appliance, comprise pot cover (1) and pot body composition, the pot body comprises middle seat or housing (3) and places its interior interior pot (5), in establish sealing ring (2), pot cover and pot body between pot and the pot cover and fasten or separate by screwing, seat or housing (3) edge are fixed with plural clamp (4) along circumference in it is characterized in that, clamp has more than one Buckling parts, pot cover (1) is provided with the pot cover that is complementary with the clamp buckling parts and buckles (1-1), when pot cover (1) and clamp (4) when fastening by the mode of screwing, pot cover is buckled (1-1) and is slid in the buckling parts.

2. according to the fastening structure of claims 1 described pressure cooking appliance, the quantity that it is characterized in that described clamp (4) is 2-10.

3. according to the fastening structure of claims 2 described pressure cooking appliances, it is characterized in that described pot cover (1) for circular or oval, the outside protrusion of peripheral surface part forms pot cover and buckles (1-1).

4. according to the fastening structure of claims 1 described pressure cooking appliance, it is characterized in that described clamp buckling parts possesses buckles the radian that (1-1) cooperates with pot cover, buckling parts upper folding surface (4-1) is the buckling surface that fastens with pot cover (1), and lower folding surface (4-2) is as the supporting surface of interior pot (5).

5. according to the fastening structure of claims 1 described pressure cooking appliance, it is characterized in that it is pot cover (1) self punching press or the formation that stretches that described pot cover is buckled (1-1).

6. according to the fastening structure of claims 1 described pressure cooking appliance, it is characterized in that described pot cover buckle (1-1) and pot cover (1) by welding, rivet or be threaded.