WO2022213406A1

WO2022213406A1 - Ironing structure of steam iron

Info

Publication number: WO2022213406A1
Application number: PCT/CN2021/087095
Authority: WO
Inventors: 黄庆友
Original assignee: 黄庆友
Priority date: 2021-04-09
Filing date: 2021-04-14
Publication date: 2022-10-13
Also published as: CN214736843U

Abstract

An ironing structure of a steam iron, the structure comprising a bottom plate (1), a heating plate (2) and a vaporization cover (3), wherein the top surface of the heating plate (2) is provided with a steam cavity (21), a plurality of vaporization cavities (22) and a conversion cavity (23); the bottom surface of the heating plate (2) is provided with a pressurizing cavity (26); and when water is injected, by means of a plurality of water injection ports (31), into the corresponding multiple vaporization cavities (22) and is evaporated into steam, the steam can be gathered in the steam cavity (21) and the steam enters the pressurizing cavity (26) for energy storage and pressurization, then the steam sequentially enters the conversion cavity (23) and an ironing cavity (11), and finally the steam is sprayed out from a plurality of steam spray holes (12) for ironing. The structural design not only ensures the spraying pressure of the steam, but also ensures the uniform heating and complete vaporization of the steam by means of making full use of the repeated heating of the heating plate (2), such that the spraying ironing temperature is uniform, and garments are prevented from being burned due to the temperature of the steam being too high. The ironing cavity (11) is composed of a hanging ironing cavity (111) which is provided at a front portion of the bottom plate, and a flat ironing cavity (112) which is provided at a middle portion and a rear portion of the bottom plate, and the opening and closing of the flat ironing cavity (112) can be controlled by means of a conversion switch (4) in the conversion cavity (23), such that the steam iron can simultaneously perform hanging ironing and flat ironing functions.

Description

Ironing structure of a steam iron

technical field

The utility model relates to an ironing structure, in particular to an ironing structure of a steam iron.

Background technique

A steam iron is a household appliance that irons clothes by heating water into steam. Its ironing structure is mainly composed of a bottom plate, a heating plate mounted on the bottom plate, and a vaporization cover mounted on the heating plate. The top surface of the bottom plate is provided with an ironing cavity, the bottom surface of the bottom plate is provided with a plurality of steam spray holes connected to the ironing cavity, a heating pipe is provided in the heating plate, and a water injection port is provided on the vaporization cover. When working, water is injected from the water injection port to the heating plate and evaporated into steam. After the steam enters the ironing cavity, it can be sprayed from the steam nozzles on the bottom surface of the soleplate for ironing. Such an ironing structure has many defects in practical use: 1. Because the steam evaporated from the heating plate directly enters the ironing chamber and is sprayed out through a plurality of steam spray holes for ironing, this not only makes a plurality of steam sprays The pressure of the steam ejected from the hole is small, and the heat of the heating plate will directly act on the soleplate, which also makes the temperature of the soleplate uneven when ironing, which is easy to burn the clothes; 2. There is only a single water injection port on the vaporization cover, so it can only be used at a single point. Inject water to the heating plate for evaporation, which makes the formation of steam easily limited by the heating temperature zone on the heating plate, resulting in insufficient vaporization of the steam. In addition, the steam enters the ironing chamber directly, and it will be in the steam nozzle hole. The phenomenon of mixed spray of water and steam greatly affects the ironing effect of clothes; 3. The traditional steam iron can only be used for hanging ironing or flat ironing, and the two functions cannot be taken into account at the same time, and there is a defect of single use function. .

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an ironing structure for a steam iron with uniform steam heating, complete vaporization, uniform spray ironing temperature, and both hanging ironing and flat ironing functions.

The technical problem of the present utility model is achieved through the following technical solutions:

An ironing structure of a steam iron comprises a bottom plate, a heating plate covered and mounted on the bottom plate, and a vaporization cover mounted on the heating plate; the top surface of the bottom plate is provided with an ironing cavity, and the bottom surface of the bottom plate is provided with a plurality of There are steam spray holes that communicate with the ironing chamber; the heating plate is provided with a heating pipe, the vaporization cover is provided with a water injection port, and the top surface of the heating plate is provided with a steam chamber, a vaporization chamber and a conversion chamber. The steam chamber is connected to the conversion chamber, and the conversion chamber is connected to the ironing chamber. The bottom surface of the heating plate is provided with a pressurization chamber that is respectively connected to the steam chamber and the conversion chamber; the water injection port injects water into the vaporization chamber to evaporate into steam, and the steam enters the pressurized chamber through the steam chamber. After the cavity is stored and pressurized, it enters the conversion cavity and the ironing cavity in sequence, and finally is sprayed out of the plurality of steam spray holes for ironing.

The top surface of the heating plate is provided with a plurality of vaporization chambers, and each vaporization chamber is connected to the steam chamber; the vaporization cover is provided with a plurality of water injection ports, the water injection ports and the vaporization chambers have the same number, and each water injection port is Correspondingly communicate with each vaporization chamber; the multiple water injection ports simultaneously inject water into the corresponding multiple vaporization chambers to evaporate into steam, and the steam in the multiple vaporization chambers enters the steam chamber together.

The steam chamber is arranged in the middle of the heating plate, and a plurality of vaporization chambers are respectively arranged on both sides of the steam chamber.

The steam chamber is provided with a steam collecting tank.

The plurality of vaporization chambers and steam chambers are all sealed chambers formed by partition ribs on the top surface of the heating plate, and a vaporization cover installed on the top surface of the heating plate closely adheres to the partition ribs.

The pressurized chamber is a closed chamber formed by partitioning ribs on the bottom surface of the heating plate, and then being covered and installed on the bottom surface of the heating plate by a pressurizing cover and closely abutting the ribs.

The ironing cavity is composed of a hanging ironing cavity arranged in the front of the bottom plate and a flat ironing cavity disposed in the middle of the bottom plate and the rear of the bottom plate. orifice.

The conversion chamber is provided with a conversion chamber inlet that communicates with the pressurizing chamber, a garment steaming outlet that communicates with the garment steaming chamber, and a flat ironing outlet that communicates with the flat ironing chamber, and a switch; the conversion chamber inlet and the garment steaming outlet are provided with It is normally open; the flat ironing outlet is controlled by the switch to open and close.

The pressurizing chamber is provided with a steam channel, and the pressurizing chamber communicates with the inlet of the conversion chamber through the steam channel.

The hanging ironing cavity and the flat ironing cavity are both separated on the top surface of the bottom plate by a partition rib, and then a closed cavity formed by a heating plate installed on the top surface of the bottom plate and tightly abutting the partition rib.

Compared with the prior art, the utility model is mainly provided with a steam chamber, a vaporization chamber and a conversion chamber on the top surface of the heating plate. Therefore, when the water injection port injects water into the vaporization chamber and evaporates into steam, the steam will enter the pressurizing chamber through the steam chamber for energy storage and pressurization, and then enter the conversion chamber and the ironing chamber in turn, and finally by the multiple A steam jet sprays out ironing. At the same time, the vaporization chamber is provided with a plurality of and all connected to the steam chamber, and the vaporization cover is also provided with a plurality of water injection ports with the same number as the vaporization chamber, and each water injection port corresponds to each vaporization chamber, so there are multiple water injection ports. At the same time, water is injected into the corresponding multiple vaporization chambers to evaporate into steam, and the steam in the multiple vaporization chambers will enter the steam chamber together. In this way, by designing a plurality of water injection ports and a plurality of vaporization chambers to jointly form the steam converging into the steam chamber, and adding a pressurized chamber formed by a pressurized cover on the bottom surface of the heating plate, these structures not only ensure the ejection of steam Pressure, and make full use of the multiple heating of the heating plate to ensure uniform heating and complete vaporization of the steam, so that the spray ironing temperature is uniform, and it also effectively avoids the heat of the heating plate directly acting on the soleplate. Clothes, so that the soleplate maintains a constant temperature state, and ironing is safer. In addition, the ironing cavity is composed of a hanging ironing cavity arranged in the front of the soleplate and a flat ironing cavity arranged in the middle of the soleplate and the rear of the soleplate. The iron can be used for both hanging ironing and flat ironing functions at the same time.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is an exploded perspective view of FIG. 1 .

FIG. 3 is a schematic diagram of the top surface structure of the heating plate.

FIG. 4 is a schematic diagram of the bottom surface structure of the heating plate.

FIG. 5 is a schematic diagram of the top surface structure of the bottom plate.

FIG. 6 is a schematic diagram of the bottom surface structure of the bottom plate.

Detailed ways

The embodiments of the present utility model will be described in detail below according to the above drawings.

As shown in Figures 1 to 6, 1. Bottom plate, 11. Ironing chamber, 111. Garment ironing chamber, 112. Flat ironing chamber, 12. Steam nozzle, 2. Heating plate, 21. Steam chamber, 22. Vaporization Cavity, 23. Conversion chamber, 231. Conversion chamber inlet, 232. Garment ironing outlet, 233. Flat ironing outlet, 24. Steam gathering tank, 25. Steam hole, 26. Pressurized chamber, 27. Steam channel, 3. Vaporization Cover, 31. Water injection port, 4. Transfer switch, 5. Pressurized cover, 6. Heating tube, 7. Separator.

An ironing structure of a steam iron, as shown in Figure 1 and Figure 2, belongs to a heating ironing component in a steam iron that irons clothes by heating water into steam. Its structure is mainly composed of a soleplate 1, a pressure cover 5 The heating plate 2 is installed on the top surface of the bottom plate 1, the pressure cover 5 is installed on the bottom surface of the heating plate 2, and the vaporization cover 3 is installed on the top surface of the heating plate 2.

The top surface of the bottom plate 1 is provided with an ironing cavity 11 as shown in FIG. 5 . The ironing cavity is composed of a hanging ironing cavity 111 arranged in the front of the soleplate and a flat ironing cavity 112 arranged in the middle of the soleplate and the rear of the soleplate. , the hanging ironing cavity 111 and the flat ironing cavity 112 are not connected to each other, and the hanging ironing cavity 111 and the flat ironing cavity 112 are both separated by the ribs 7 on the top surface of the bottom plate 1, and then closed by the heating plate 2 installed on the top surface of the bottom plate. The airtight chamber formed after the spacer rib 7 is attached.

The bottom surface of the bottom plate 1 is provided with a plurality of steam spray holes 12 as shown in Figure 6, and a small part of the steam spray holes are connected to the hanging steaming cavity 111, which can be used for steam spraying in the hanging steaming cavity. 12 is connected to the flat ironing cavity 112, which can be used to spray the steam in the flat ironing cavity for flat ironing, so that the steam iron can have both hanging ironing and flat ironing functions at the same time.

The heating plate 2 is provided with a heating tube 6 to provide a heat source, the top surface of the heating plate 2 is provided with a steam chamber 21, a plurality of vaporization chambers 22 and a conversion chamber 23 as shown in FIG. Pressurized chamber 26 shown.

The conversion chamber 23 is a cylindrical chamber disposed at the front of the heating plate 2, and is provided with a conversion chamber inlet 231 communicating with the pressurizing chamber 26, a garment steaming outlet 232 communicating with the garment steaming chamber 111, and a flat ironing chamber. The positional relationship of the flat ironing outlet 233 of the cavity 112 is as follows: the conversion cavity inlet 231 is arranged on the rear side of the cylindrical outer surface of the conversion cavity 23, the garment steaming outlet 232 is arranged on the front side of the cylindrical outer surface of the conversion cavity 23, and the flat ironing There are two outlets 233, which are arranged on the cylindrical bottom surface of the conversion chamber 23 and penetrate the heating plate 2 up and down.

The conversion chamber 23 is also equipped with a rotary operation switch 4, and under normal conditions, no matter how the conversion switch rotates, the conversion chamber inlet 231 and the garment steamer outlet 232 are set to be normally open, namely the pressure chamber 26 and the conversion chamber inlet. 231. The conversion cavity 23 and the garment steaming outlet 232 are in a connected state, that is, the steam entering the garment steaming cavity 111 is not controlled by the changeover switch 4 on and off, and the steam iron can provide the garment steaming function as long as it works.

The flat ironing outlet 233 is controlled by the switch 4 to open or close, that is, the connection between the pressurizing chamber 26, the conversion chamber inlet 231, the conversion chamber 23 and the flat ironing outlet 233 is controlled by the conversion switch 4 to open and close, and its work The principle is similar to that of the ceramic spool of the valve to open and close, that is, the switch 4 is turned to close the two ironing outlets 233 at the same time, and the steam cannot enter the ironing cavity 112; the switch 4 is turned to open the two ironing outlets 233 at the same time. , the steam can enter the flat ironing cavity to provide flat ironing function.

Due to the small space of the whole hanging steaming cavity 111 and the small number of steam nozzles 12, a large pressure can be provided after the steam enters, and the high-temperature and high-pressure dry steam sprayed from the steam nozzles 12 has strong power and rapidity, and the spray distance is long. , the penetration force is high, so it is suitable for the function of hanging ironing; and the entire flat ironing cavity 112 has a large space, and the number of steam nozzles 12 is large and can be distributed on the bottom plate 1 without restriction. The area of steam is large, and the injection speed is corresponding Slow down, the spray distance is reduced, so it is suitable for flat ironing function.

Of course, the specific design style of the changeover switch 4 is not limited, regardless of the operation modes such as rotary opening and closing or toggle opening and closing, as long as the opening and closing of the ironing outlet 233 can be controlled.

The plurality of vaporization chambers 22 and steam chambers 21 are all separated on the top surface of the heating plate 2 by the partition ribs 7, and then sealed by the vaporization cover 3 installed on the top surface of the heating plate, which is tightly attached to the partition ribs 7. Chamber.

The steam chamber 21 is arranged in the middle of the heating plate 2, and a steam converging groove 24 is arranged in the steam chamber; the number of the vaporization chambers 22 can be selected according to actual needs. For example, two vaporization chambers are designed in this embodiment. It is arranged on both sides of the steam chamber 21, the front end of each vaporization chamber is communicated with the front end of the steam chamber 21, the rear end of each vaporization chamber 22 is closed, and the rear end of the steam chamber 21 passes through the steam hole 25 of the heating plate up and down. Connected to the pressurizing chamber 26 on the bottom surface of the heating plate.

The pressurized chamber 26 is a closed chamber formed after being separated by the spacer 7 on the bottom surface of the heating plate 2, and then covered and installed by the pressurization cover 5 on the bottom surface of the heating plate and closely attached to the spacer 7. The hole 25 communicates with the steam chamber 21 and the conversion chamber 23 through the conversion chamber inlet 231, which has the function of buffering the steam and storing energy. It is quickly communicated to the conversion chamber inlet 231 through the steam passage 27 .

At the same time, the pressure cover 5 also has the function of isolating the heating plate 2 and the sole plate 1, which can prevent the heat of the heating plate 2 from directly acting on the sole plate 1 and cause the sole plate temperature to be too high to burn the clothes, so as to keep the sole plate in a constant temperature state and ironing safer.

The vaporization cover 3 is provided with a plurality of water injection ports 31. The water injection ports and the vaporization chambers 22 have the same number, and each water injection port 31 corresponds to each vaporization chamber 22. In this embodiment, two vaporization chambers are designed. , the corresponding water injection ports 31 are also designed two and form a one-to-one correspondence.

Obviously, the above-mentioned multi-system water injection and evaporation structure with dual vaporization chambers can balance the temperature rise of the heating plate, the vaporization effect is good, and the steam conveying distance is shortened, so as to ensure rapid steam communication and sensitive response.

The working process of the ironing structure is as follows: the two water injection ports 31 on the vaporization cover 3 simultaneously inject water into the corresponding two vaporization chambers 22 to evaporate into high-temperature wet steam, and the steam in the two vaporization chambers 22 enters the steam together. In the cavity 21, the steam converging groove 24 in the steam cavity is conducive to the common convergence of the steam in the two vaporization cavities 22, and then the steam converging in the steam cavity 21 enters the pressurizing cavity 26 through the steam hole 25 for energy storage and pressurization. Then the steam in a high temperature and high pressure state is formed, and then quickly communicated to the conversion chamber inlet 231 through the steam passage 27 and enters the conversion chamber 23; It is normally open, so the steam is not controlled by the switch 4 and directly enters the hanging ironing cavity 111, so that the steam iron can always provide the function of hanging ironing; , the pressure chamber 26, the conversion chamber inlet 231, the conversion chamber 23 and the flat ironing outlet 233 are connected, so that the steam can also directly enter the flat ironing chamber 112, and then combine with the steam in the hanging ironing chamber 111 to realize the flat ironing function.

In the present invention, a plurality of water injection ports 31 and a plurality of vaporization chambers 22 are designed to jointly form the steam to converge into the steam chamber 21, and a pressurized chamber 26 is added on the bottom surface of the heating plate 2. These structures not only ensure the ejection pressure of the steam, The steam power is more powerful, and the multiple heating of the heating plate 2 is fully utilized to ensure the uniform heating and complete vaporization of the steam, so that the spraying ironing temperature is uniform, preventing the steam temperature from being too high and damaging the clothes, and also improving the thermal efficiency of the steam iron. , More energy-saving, after the steam flows through and gets double heating, it can become high-temperature and high-pressure drying steam, which increases the penetration of clothes and makes ironing easier.

The traditional ironing structure has no pressurized cavity design and only one water injection port, and the function is relatively simple, and the conveying channel formed by the steam is narrow and long, which easily leads to insufficient heating, that is, the vaporization of the steam is incomplete, and the steam nozzle appears dripping.

In addition, the integrated design of the hanging ironing cavity 111 and the flat ironing cavity 112 controls the steam flow direction through the switch 4 in the conversion cavity 23, so that the steam iron can take into account the functions of hanging ironing and flat ironing at the same time.

The above are only specific embodiments of the present invention, and those skilled in the art should understand that any structural design similar to this embodiment should be included within the protection scope of the present invention.

Claims

An ironing structure for a steam iron, comprising a soleplate (1), a heating plate (2) covered and installed on the soleplate, and a vaporization cover (3) covered and installed on the heating plate; The surface is provided with an ironing cavity (11), and the bottom surface of the bottom plate is provided with a plurality of steam spray holes (12) communicating with the ironing cavity (11); the heating plate (2) is provided with a heating pipe (6), and a vaporization cover (3) A water injection port (31) is provided on the top, characterized in that the top surface of the heating plate (2) is provided with a steam chamber (21), a vaporization chamber (22) and a conversion chamber (23), the vaporization chamber (22) ) is communicated with the steam chamber (21), the conversion chamber (23) is communicated with the ironing chamber (11), and the bottom surface of the heating plate (2) is provided with a pressurization chamber (26) respectively communicating with the steam chamber (21) and the conversion chamber (23); The water injection port (31) injects water into the vaporization chamber (22) to evaporate into steam, and the steam enters the pressurizing chamber (26) through the steam chamber (21) for energy storage and pressurization, and then enters the conversion chamber (23) and ironing in turn. The cavity (11) is finally sprayed for ironing from the plurality of steam spray holes (12).
The ironing structure of a steam iron according to claim 1, characterized in that a plurality of vaporization chambers (22) are provided on the top surface of the heating plate (2), and each vaporization chamber is connected to the steam chamber (21) ; Described vaporization cover (3) is provided with a plurality of water injection ports (31), the water injection ports and the vaporization cavity (22) have the same quantity, and each water injection port (31) is correspondingly communicated with each vaporization cavity (22); The plurality of water injection ports (31) simultaneously inject water into the corresponding plurality of vaporization chambers (22) to evaporate into steam, and the steam in the plurality of vaporization chambers (22) jointly enters the steam chamber (21).
The ironing structure of a steam iron according to claim 2, characterized in that the steam chamber (21) is arranged in the middle of the heating plate (2), and a plurality of vaporization chambers (22) are respectively arranged in the steam chamber (21). ), the front end of each vaporization chamber (22) communicates with the front end of the steam chamber (21), and the rear end of the steam chamber (21) communicates with the pressurization chamber (26) through the steam hole (25).
The ironing structure of a steam iron according to claim 1, characterized in that the steam chamber (21) is provided with a steam collecting groove (24).
The ironing structure of a steam iron according to claim 2, characterized in that the plurality of vaporization chambers (22) and the steam chambers (21) are separated from the heating plate (2) by the ribs (7). The top surface, and then the closed chamber formed after the vaporization cover (3) installed on the top surface of the heating plate (2) is tightly attached to the partition rib (7).
The ironing structure of a steam iron according to claim 1, characterized in that the pressurizing chamber (26) is separated on the bottom surface of the heating plate (2) by a spacer (7), and is then separated by a pressurizing cover (26). 5) Cover the airtight chamber formed after being installed on the bottom surface of the heating plate (2) and closely abutting the spacer rib (7).
The ironing structure of a steam iron according to claim 1, characterized in that the ironing cavity (11) is composed of a hanging ironing cavity (111) arranged at the front of the soleplate (1) and an ironing cavity (111) arranged in the middle of the soleplate (1). and a flat ironing cavity (112) at the rear of the bottom plate, wherein the bottom surface of the bottom plate (1) is provided with a plurality of steam spray holes (12) communicating with the hanging ironing cavity (111) and the flat ironing cavity (112).
The ironing structure of a steam iron according to claim 7, wherein the conversion chamber (23) is provided with a conversion chamber inlet (231) which communicates with the pressurizing chamber (26), and which communicates with the garment ironing chamber (231). 111), the ironing outlet (232) and the ironing outlet (233) communicating with the ironing chamber (112), and the switch (4); the inlet (231) of the conversion chamber and the ironing outlet (232) are set as Normally open; the ironing outlet (233) is controlled by the switch (4) to open and close.
The ironing structure of a steam iron according to claim 7, characterized in that a steam passage (27) is provided in the pressurizing chamber (26), and the pressurizing chamber communicates with the inlet of the conversion chamber through the steam passage. (231).
The ironing structure of a steam iron according to claim 7, characterized in that the hanging ironing cavity (111) and the flat ironing cavity (112) are all separated from the top surface of the bottom plate (1) by the ribs (7). , and then a closed chamber is formed after the heating plate (2) installed on the top surface of the bottom plate is tightly attached to the spacer rib (7).