CN102301065A

CN102301065A - Soleplate and iron comprising such a soleplate

Info

Publication number: CN102301065A
Application number: CN201080005838XA
Authority: CN
Inventors: A·玛迪纳阿吉雷
Original assignee: Celaya Emparanza y Galdos Internacional SA
Current assignee: Celaya Emparanza y Galdos Internacional SA
Priority date: 2009-01-30
Filing date: 2010-01-27
Publication date: 2011-12-28
Also published as: WO2010086341A1; EP2213784A1; EP2213784B1; ES2538681T3

Abstract

Soleplate for an iron is characterized in that a substrate (2) of the soleplate (15) is made of a magnesium alloy, said alloy also comprises aluminium.

Description

Base plate and the flatiron that comprises this base plate

Technical field

The present invention relates to a kind of flatiron that is used for sole plate and comprises this base plate.

Background technology

The flatiron that is used for ironing clothes is provided with base plate, this base plate parts that to be flatiron contact with ironed fabric.Base plate is heated by heater block, and described heater block is formed by Ohmic resistance traditionally.Thereby base plate must have good thermal conductivity.Flatiron often comprises steam generator, and in this case, base plate comprises steam (vapor) outlet.

The outer surface of base plate should slide on fabric smooth-goingly, and must be able to deal with the cataclysm of high temperature and temperature.And base plate should be able to be resisted and hit and scraping.

Base plate is made by the aluminium base that is coated with one deck stainless steel, anodised aluminium or wards off aluminium usually.In this case, owing to its weight and thermal conductivity are used aluminium base, coating then is used for protection and prevents scraping.

It also is known using aluminium alloy in base plate (substrate).For example United States Patent (USP) 5105525 has been described a kind of among use alloy GD-Al Si 10Mg, GD-Al Mg 9, GD-Al Si 12 or the GD-Al Si 12 (Cu).The flatiron side of base plate body is coated with the hard nickel alloy subsequently.WO 01/82652 has described a kind of base plate, and this base plate is made by the aluminium alloy with magnesium, and this aluminium alloy contains and is less than 0.01% magnesium.

Summary of the invention

Still need to improve base plate.According to the present invention, address that need by base plate according to claim 1.That is, comprise the base plate of the substrate of being made by magnesium alloy, described alloy also contains aluminium.Thereby the essential element of this alloy is a magnesium.Aluminium can be the second important element in the described alloy.Have been found that this alloy has favourable characteristic, for example good thermal conductivity, in light weight and suitable strength and stiffness.And, found to make the substrate of the base plate of making by this alloy surprisingly, this substrate keeps being connected with the good of its heater block that is hidden.And described alloy has sufficient corrosion resistance.Yet in an embodiment of the present invention, the substrate of base plate can further be protected for example silica-based coating, anodization layer etc. by the layer of different materials.

Preferably, the substrate of base plate is made by alloy A Z91D.Described alloy is a kind of in the most cheap available magnadure.Alloy A Z91D contains the aluminium of following element: 8.3-9.7%, the manganese of 0.15-0.5%, the zinc of 0.35-1.0%, maximum 0.1% silicon, maximum 0.03% copper, maximum 0.002% nickel, maximum 0.005% iron, with other metals of maximum 0.02%, and remaining is magnesium (all percentages all is percentage by weight).

Preferably, described substrate is provided with the flatiron face of different materials.Described flatiron face can be formed by the individual components that is connected to base plate by fixture, or is formed by the coating that is arranged on the base plate.By flatiron face (this flatiron face in fact with contact with clothing) is set to base plate, can advantageously separate the function of base plate and flatiron face.The material of flatiron face thereby can be chosen to especially smooth and scratch-resistant.

In some embodiments of the invention, base plate comprises integrated steam generator.

In other embodiments of the invention, flatiron comprises having the independently independently steam generator and the base plate of heater block.The like configurations of flatiron is described in patent application EP 1561855.In these embodiments, independently steam generator is preferably also made by magnesium alloy, and described alloy also contains aluminium.Like this, can further reduce the gross weight of flatiron.

Description of drawings

Hereinafter only specific embodiments of the invention are described with reference to the accompanying drawings by the mode of non-limiting example, wherein:

Fig. 1 is the perspective view according to first embodiment of base plate of the present invention;

Fig. 2 illustrates the part cut-away view of the base plate of Fig. 1;

Fig. 3 illustrates the perspective view of bottom of the base plate of Fig. 1;

Fig. 4 is the cutaway view of the base plate of Fig. 1;

Fig. 5 is that flatiron also comprises independently steam generator according to the perspective view of second embodiment of base plate of the present invention;

Fig. 6 is the perspective view of the base plate of Fig. 5;

Fig. 7 illustrates the part cut-away view of the base plate of Fig. 5;

Fig. 8 illustrates the base plate of Fig. 5, indication details A;

Fig. 9 illustrates the perspective view of the cross section of the details A that indicates among Fig. 8; And

Figure 10 illustrates the perspective view of bottom of the base plate of Fig. 5.

The specific embodiment

Fig. 1 illustrates first embodiment according to base plate 15 of the present invention.Reference numeral 2 is used to indicate the substrate of the base plate of being made by the magnesium alloy with aluminium.Base plate 15 comprises flatiron face 1 (this flatiron face in fact with ironed contact with clothing).In this embodiment, flatiron face is formed by individual components, and this individual components is made by stainless steel.Parts of stainless steel turns down on base plate.This can be clear that in Fig. 4.

In other embodiments of the invention, flatiron face can be made by different materials and/or thickness.For example, flatiron face can be made by the aluminium parts of the 2mm of the hard anodized layer with 20-60 μ m.In addition, flatiron face can not be provided with individual components like this, but only is the coating on the bottom of base plate.

Fig. 1 also illustrates, and in this embodiment, base plate 15 comprises integrated steam generator 12.In use, the chamber 12a of steam generator can be filled with water (referring to Fig. 2) by water inlet 9.Steam generator 12 also comprises and covers 12b.Heater block 3 is set is used for heatable soleplate, and the water among (in this embodiment) while heating chamber 12a.

Heater block 3 can suitably be formed by the Ohmic resistance of being with the metal sheath.Described metal sheath can be made by ferroalloy.By applying the electric current that passes described resistance, described heater block is heated.Thereby heat water among substrate 2, flatiron face 1 and the steam generator chamber 12a of its metal sheath, base plate then.Thereby can in steam generator 12, produce steam.

Fig. 3 and 4 further is illustrated in the steam that produces in the steam generator 12 and how finally passes the steam (vapor) outlet 1a that is arranged in base plate and the flatiron face.Fig. 4 also illustrates the use of seal 7, and the sealing part can form one deck silicones, is used for the leakage of anti-sealing and/or steam.

Fig. 5 illustrates second embodiment according to base plate of the present invention.In this embodiment, base plate 2 comprises the flatiron face 1 that is formed by individual components, and this individual components is connected to substrate 2 by using securing

member

4,5,6.Individual components 1 is fastened to substrate by bolt 4 and corresponding nut.In the embodiment shown in fig. 5, at the center of base plate, flatiron face 1 can be connected with Passscheiben 6 by pin 5.Alternatively, can between the bottom of flatiron face 1 and substrate 2, further be applied with adhesive.Within the scope of the invention, also can use other suitable securing members (other suitable screw bolt and nut for example, adhesive only, suitable screw).

Compare with the embodiment shown in Fig. 1-4, be provided with independently steam generator 10.Independently steam generator 10 comprises the lid 10a that is connected to the body of steam generator by pin 14.In other embodiments of the invention, can use the securing member of other types the lid of steam generator to be fastened to the body of steam generator.Steam generator 10 among this embodiment is connected to base plate at preceding attaching 13a of portion and attaching portion 13b place, back.For this reason, raised pin and back raised pin before base plate comprises, described before raised pin and back raised pin can be engaged in the front flange and the mating holes on the flange of back that lays respectively at steam generator 10 independently.This is clearly shown that in Fig. 6 more.

In an embodiment of the present invention, independently steam generator 10 also can be made by magnesium alloy, and described alloy also contains aluminium.Therefore, not only in base plate, and independently also can realize reducing of weight in the steam generator.

In this embodiment, water 9 enters independently steam generator 10 by entering the mouth.Also be provided with the independently heater block 11 that is exclusively used in steam generator.The steam that produces in this process passes the outlet 8 of base plate, finally to pass outlet opening 1a.These outlet openings 1a is arranged among the groove 1b, and described groove is used for scattering steam (referring to Figure 10) as passage on flatiron face.

Fig. 7 also illustrates heater block 3 and how to be embedded in the baseplate substrate 2.Reference numeral 3a is used to indicate a pin, and this pin can be connected to current source by suitable cable, or is soldered to current source.Reference numeral 3b is used to indicate insulating plug.

Fig. 8 has given prominence to details A, and details A is also shown in Figure 9.Fig. 9 illustrates the heater block 3 that is arranged in the substrate 2.Fig. 9 also illustrates the flatiron face 1 with groove 1b.Be provided with sealant 7 to prevent water and/or steam leakage.

According to the present invention, base plate is made by magnesium alloy, and described alloy also contains aluminium.Therefore magnesium is the essential element of described alloy.Aluminium is another element of described alloy.Other elements can be other metals or nonmetal.

In a preferred embodiment, described alloy is AZ91D.AZ91D is a kind of alloy that is particularly suited for die casting.The substrate of base plate can form in extrusion process in fact, and described extrusion process may further comprise the steps: the former of the both sides of base plate is provided, is positioned with the heater block resistance of metal sheath (for example with) in described former.Two moulds are combined into a mould thus, and heater block suitably is positioned in the described mould.

The alloy of fusing is expelled in the mould thus, and by with two independently mould force together and keep at suitable pressures.Keep described pressure, till alloy solidifies, remove mould then.Substrate passes through less processing subsequently, for example to remove waste material.

Therefore can in single die casting step, form the substrate of the base plate shown in Fig. 1-4.Embodiment shown in Fig. 5-10 comprises independently steam generator and independently heater block.Base plate and steam generator are to form in independent extrusion process.

The present invention and above-mentioned technology have obtained improved base plate.

Though further do not illustrate in the accompanying drawings, but those skilled in the art can be expressly understood, can also comprise the suitable handle that for example is used to keep flatiron, be used to temperature controlling device that is provided with one or more heater blocks etc. according to flatiron of the present invention.

For the sake of completeness, the complete list of employed Reference numeral is as follows in the accompanying drawing:

1 flatiron face

The 1a steam (vapor) outlet

The 1b groove

2 baseplate substrates

The heater block of 3 base plates

The 3a pin

The 3b insulating plug

4 screw bolt and nut

5 pins

6 packing rings

7 sealants

8 steam channels

9 water inlets

10 independent steam generators

The lid of 10a independence steam generator

11 heater blocks

12 integrated steam generators

The chamber of the steam generator that 12a is integrated

The lid of the steam generator that 12b is integrated

Preceding attachment point between 13a base plate and the steam generator

Back attachment point between 13b base plate and the steam generator

The pin of 14 steam generators lid

15 base plates

Claims

1. be used for sole plate, it is characterized in that, the substrate (2) of described base plate (15) is made by magnesium alloy, and described alloy also contains aluminium.

2. base plate according to claim 1 is characterized in that, the substrate (2) of described base plate (15) is made by alloy A Z91D.

3. base plate according to claim 1 and 2 is characterized in that, the substrate (2) of described base plate (15) is provided with the flatiron face (1) of different materials.

4. base plate according to claim 3 is characterized in that, described flatiron face (1) is the individual components that is connected to described substrate (2) by securing member (4,5,6).

5. base plate according to claim 3 is characterized in that, described flatiron face (1) is arranged on the coating on the described substrate (2).

6. flatiron, it comprises according to any described base plate in the aforesaid right requirement.

7. flatiron according to claim 6 is characterized in that, described base plate (15) comprises integrated steam generator (12).

8. flatiron according to claim 6 is characterized in that, described flatiron also comprises independently steam generator (10) and independently heater block (11).

9. flatiron according to claim 8 is characterized in that, described independently steam generator (10) is made by magnesium alloy, and described magnesium alloy also contains aluminium.

10. flatiron according to claim 9 is characterized in that, described independently steam generator (10) is made by alloy A Z91D.