CN201481122U

CN201481122U - Device for sealing, moisturizing and preventing overflow of electric cooker

Info

Publication number: CN201481122U
Application number: CN2009201621598U
Authority: CN
Inventors: 袁玉英
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-30
Filing date: 2009-06-30
Publication date: 2010-05-26
Anticipated expiration: 2019-06-30

Abstract

The utility model relates to an improvement of a cover of an electric cooker, in particular to a device with the functions of sealing, moisturizing and preventing overflow of the electric cooker. The device is arranged at a steam exhaust hole of the cover, and comprises a steam cover which is provided with the steam exhaust hole, a steam seat which is positioned under the steam cover and divided into an exhaust cylinder at the upper part and a steam inlet section at the lower part, and a channel pipe that is arranged inside the steam exhaust cylinder and is internally provided with a floating ball; and the top end of the channel pipe is provided with a ball cover, and the lower part of the wall of the channel pipe is provided with a vent hole. The device utilizes the principle of self weight of the floating ball arranged inside the steam cover to realize the functions of sealing, moisturizing and preventing overflow.

Description

Electric cooker seals the anti-overflow device of preserving moisture

Technical field

The utility model relates to the improvement of the pot cover of electric cooker, especially relates to a kind of electric cooker that makes and possesses sealing, preserves moisture and the device of anti-overflow function.

Background technology

Existing electric cooker is typically provided with steam (vapor) outlet on pot cover, when cooking, the steam that heating produces is discharged from the steam (vapor) outlet on the pot cover.How to control the discharge of steam, both guaranteed that meal can be cooked, and can keep suitable seal and moisture-keeping functions again, made well-done meal constant-temperature moisture-keeping, simultaneously prevent that when cooking meal liquid from overflowing from steam (vapor) outlet together in company with steam, these all are that people urgently wish the problem that solves.

The Chinese patent of Zhou Jinxin application " a kind of electric cooker anti-overflow steam valve " (patent No.: 200720060136.7, the applying date: on November 20th, 2007, publication number: CN201101434, open day: on August 20th, 2008) disclosed a kind of electric cooker anti-overflow steam valve, comprise the steam valve seat that is provided with steam valve cap in valve body, the valve body and is located at the steam valve cap bottom, it is characterized in that: valve body is provided with helical duct; Helical duct is located on the steam valve cap; Helical duct is located on the steam valve seat; Steam valve seat bottom is provided with at least one osculum.This electric cooker anti-overflow steam valve can prevent that steam from overflowing outside the pot, and is residual but the helical duct that is adopted forms dirt easily, and exhaust effect is not good.

Chinese patent " anti-overflow the electric cooker lid " (patent No.: 200620072269.1 of DongBing Gen application, the applying date: on April 4th, 2006, publication number: CN2897108, open day: on May 9th, 2007) disclosed a kind of anti-overflow electric cooker lid, comprise a lid, it is characterized in that: offer the ventilation overfolw hole on the described lid, this ventilation overfolw hole loam cake has port lid, and a side of port lid is hinged on the lid.Described ventilation overfolw hole is a circular hole, and its diameter is 10%～30% of a whole lid diameter.During use, when the meal in the pot was boiled, the pot internal gas pressure rose, the port lid that steam will be ventilated on the overfolw hole backs down release slightly, a spot of thin rice gruel flow to top surface from the ventilation overfolw hole, converge in the retaining groove of inner pan body again, overflows outside the pot to prevent thin rice gruel effectively.Yet, when the air pressure of steam in the pot is higher, easily port lid is opened fully surely, and caused thin rice gruel to overflow in a large number, so the anti-overflow effect is not good yet.

Zhong Pei wishes Chinese patent " a kind of electric cooker with from ring anti-overflow exhaust the valve " (patent No.: 200820046842.0 of application, the applying date: on April 25th, 2008, publication number: CN201234881, open day: on May 13rd, 2009) disclosed a kind of electric cooker with oneself the anti-overflow exhaust valve that rings, comprise top cover, valve seat and silica gel valve sheet, top cover is installed in the top of valve seat, the silica gel valve sheet is installed in the bottom of valve seat, top cover is provided with water inlet and steam inlet, valve seat is provided with reservoir chamber, steam channel with go into aquaporin, it is characterized in that: the exit of described steam channel is provided with from the shell fragment that rings.A described end from the shell fragment that rings is installed on the gap location between steam channel sidewall and the reservoir chamber sidewall, and the shell fragment that rings certainly covers in the outlet of steam channel, exports and ring certainly to leave the gas outlet between the shell fragment.Described top cover is provided with condensate film, and condensate film is positioned at the top of steam inlet.The anti-overflow function of the patented product realizes by condensate film, because the temperature of steam is higher, condensate film often can not cooling steam, and meal liquid also can overflow thereupon.

In sum, all have many disadvantages or not satisfactory place in the design of existing electric cooker anti-overflow, the further new device of design of still needing solve electric cooker sealing, preserve moisture and the anti-overflow problem.

Summary of the invention

The purpose of this utility model provides a kind of electric cooker and seals the anti-overflow device of preserving moisture, and utilizes sealing, the moisture-keeping function of the deadweight principle realization pot cover of the ball float that is provided with in the steam lid, has the anti-overflow function simultaneously.

A kind of electric cooker described in the utility model seals the anti-overflow device of preserving moisture, and is arranged on the steam outlet place of pot cover, comprises the steam lid, is provided with steam outlet; The steam seat is positioned at steam lid below, is divided into the aiutage on top and the steam inlet section of bottom; Be provided with tube channel in the described aiutage, a ball float is housed in this tube channel, the top of this tube channel is provided with spherical cap, and the tube wall bottom of this tube channel offers passage.

The sealing further feature of anti-overflow device of preserving moisture according to electric cooker described in the utility model, return port is offered in the bottom of described tube channel.

The sealing further feature of anti-overflow device of preserving moisture according to electric cooker described in the utility model, the place of the bottom of described aiutage outside described tube channel offers return port.

Seal the further feature of the anti-overflow device of preserving moisture according to electric cooker described in the utility model, the return port of the bottom of described aiutage is provided with rubber cushion, be used to prevent that steam from going out from this return port, but allow ponding or thin rice gruel in the steam seat in pot, to reflux from the hole that this rubber cushion is sealed.

The sealing further feature of anti-overflow device of preserving moisture according to electric cooker described in the utility model, described ball float is iron ball or magnet ball.

The sealing further feature of anti-overflow device of preserving moisture according to electric cooker described in the utility model, described ball float is a baton round.

Characteristics of the present utility model and advantage are:

(1) utilizes the reasonable deadweight of the ball float in the steam seat to make the interior heat insulation function of pot realize equilibrium state, can not become dry for a long time because of meal is incubated in pot.When the pot internal gas pressure is low, because the deadweight of ball float makes ball float fall to the bottom of tube channel, the passage on the tube wall of closed channel pipe, thereby make aiutage be in sealing state.

(2) since ball float above steam, stop the direct upper punch of steam, therefore force vapor stream to discharge through the passage of side, if be entrained with thin rice gruel, the return port offered of the return port that can offer by the bottom of tube channel of thin rice gruel and aiutage bottom then, again be back in the pot, therefore can realize the anti-overflow function.

(3) deft design of the present utility model, compact conformation, easy to make.

Description of drawings

Fig. 1 is the vertical view of a electric cooker, at the steam lid place of pot cover center electric cooker described in the utility model is housed and seals the anti-overflow device of preserving moisture;

Fig. 2 is the cross sectional view that electric cooker shown in Figure 1 is cut open along the A-A line, and D contains in the zone electric cooker described in the utility model sealing anti-overflow device of preserving moisture among the figure;

Fig. 3 is the preserve moisture enlarged diagram of anti-overflow device of the contained sealing in D zone among Fig. 2;

Fig. 4 has shown the preserve moisture structure of anti-overflow device of the sealing of removing behind the steam lid.

The specific embodiment

Fig. 1 and Fig. 2 have shown a electric cooker, comprise parts such as base 1, shell 2, heat-generating disc 3, outer pot 4, pot courage 5, carrying handle 6, loam cake 9, steam lid 12, panel 20.

Electric cooker described in the utility model seals the anti-overflow device of preserving moisture, and as shown in Figure 1, is arranged on the steam outlet place of pot cover, to shown in Figure 4, comprises steam lid 12 as Fig. 2, is provided with steam outlet 30; Steam seat 24 is positioned at steam and covers 12 belows, is divided into the aiutage 35 on top and the steam inlet section 36 of bottom; Be provided with tube channel 33 in the described aiutage 35, a ball float 14 is housed in this tube channel 33, the top of this tube channel 33 is provided with spherical cap 13, and the tube wall bottom of this tube channel 33 offers passage 34.

As shown in Figure 3, return port 32 is offered in the bottom of described tube channel 33.The place of the bottom of described aiutage 35 outside described tube channel 33 offers return port 31.

As shown in Figure 4, the return port 31 of the bottom of described aiutage 35 is provided with rubber cushion 37, is used to prevent that steam from going out from this return port, but allows ponding or thin rice gruel in the steam seat to reflux in pot from the hole that this rubber cushion is sealed.

Principle of the present utility model is to utilize the ball float in the steam seat to prevent that thin rice gruel from overflowing and moisture-keeping functions.

When the pot internal gas pressure is low, because the deadweight of ball float makes ball float fall to the bottom of tube channel, passage on the tube wall of closed channel pipe, thereby make aiutage be in sealing state, interior heat insulation function is realized equilibrium state thereby the reasonable deadweight that utilizes ball float makes pot, can not become dry for a long time because of meal is incubated in pot.

Ball float 14 has the come-up space of 10mm at the aiutage of steam seat, when the pot internal gas pressure higher during in setting range, steam enters from the return port 32 of ball float below, jack-up can make progress ball float, remove the sealing of ball float to the passage on the tube wall of tube channel, steam can enter in the aiutage by this passage, and the steam (vapor) outlet that covers through steam is discharged again.Top in tube channel is provided with spherical cap, can prevent that ball float from being gone out tube channel by steam.Because ball float is above steam, stop the direct upper punch of steam, therefore force vapor stream to discharge through the passage of side, if be entrained with thin rice gruel, the return port offered of the return port that can offer by the bottom of tube channel of thin rice gruel and aiutage bottom then, again be back in the pot, therefore can realize the anti-overflow function.

When the pot internal gas pressure was on the low side, ball float fell, and was in sealing state again.

Ball float 14 can be iron ball or magnet ball, can increase the gravity of ball float like this.

In order to lower the sound that sends when ball float floats, during fabrication, can adopt elastomeric material to cover ball float, perhaps adopt pure plastics ball float, also can lower the sound that sends when ball float floats.

Claims

1. an electric cooker seals the anti-overflow device of preserving moisture, and is arranged on the steam outlet place of pot cover, it is characterized in that: comprise steam lid (12), be provided with steam outlet (30);

Steam seat (24) is positioned at steam lid (12) below, is divided into the aiutage (35) on top and the steam inlet section (36) of bottom;

Be provided with tube channel (33) in the described aiutage (35), a ball float (14) is housed in this tube channel (33), the top of this tube channel (33) is provided with spherical cap (13), and the tube wall bottom of this tube channel (33) offers passage (34).

2. electric cooker according to claim 1 seals the anti-overflow device of preserving moisture, and it is characterized in that: return port (32) is offered in the bottom of described tube channel (33).

3. electric cooker according to claim 1 seals the anti-overflow device of preserving moisture, and it is characterized in that: the place of the bottom of described aiutage (35) outside described tube channel (33) offers return port (31).

4. electric cooker according to claim 3 seals the anti-overflow device of preserving moisture, and it is characterized in that: the return port (31) of the bottom of described aiutage (35) is provided with rubber cushion (37).

5. electric cooker according to claim 1 seals the anti-overflow device of preserving moisture, and it is characterized in that: described ball float (14) is iron ball or magnet ball.

6. electric cooker according to claim 1 seals the anti-overflow device of preserving moisture, and it is characterized in that: described ball float (14) is a baton round.