Steam iron with air suction assisted ironing

By using magnetic drive to power the impeller in the steam iron, the problem of steam leakage from the suction device corroding the motor is solved, extending the motor's lifespan and improving the steam ironing effect.

CN224494684UActive Publication Date: 2026-07-14NINGBO KAIBO GROUP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO KAIBO GROUP
Filing Date
2025-07-31
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing steam irons have a suction device that allows steam to easily leak and corrode the motor during suction, resulting in a shortened motor lifespan.

Method used

The impeller is driven by magnetic force. The impeller is located inside the airflow chamber, while the motor is located outside the airflow chamber. The impeller is driven by magnetic force, instead of mounting the impeller on the motor shaft, which eliminates the leakage points and prevents steam from seeping into the motor.

Benefits of technology

It effectively prevents steam leakage from corroding the motor, extends the motor's service life, and improves the reliability and performance of the steam iron.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224494684U_ABST
    Figure CN224494684U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of steam ironing device through air suction auxiliary ironing, belong to clothes ironing technology, steam leaks to motor, erodes motor when the air suction device of existing ironing device air suction, the air suction device of the utility model includes motor and wind wheel, wind wheel is located in airflow cavity, motor is located outside airflow cavity, airflow cavity is connected suction port and exhaust port, motor is driven wind wheel by magnetic force transmission, instead of wind wheel is installed to motor shaft and is driven wind wheel by motor shaft, motor shaft does not need to pass through the wall of airflow cavity, completely eliminates leakage position, steam cannot leak to motor, erodes motor when air suction device air suction, motor long service life.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to clothing ironing technology, specifically to a steam iron that uses suction to assist ironing. Background Technology

[0002] When using a steam iron to iron clothes, the steam can easily blow the clothes away from the ironing surface, reducing the ironing effect. Existing technology uses a suction device to draw the clothes towards the ironing surface, allowing them to adhere to the surface. This suction device includes a motor and a fan mounted on the motor shaft. The fan is located in an airflow chamber, and the motor shaft must pass through the wall of the airflow chamber, where air leakage occurs. When the suction device draws air, it carries away some steam, which leaks into the motor through the shaft, corroding it and reducing its lifespan. Utility Model Content

[0003] This invention addresses the shortcomings of existing irons where steam leaks into the motor and corrodes it during the suction process. It provides a steam iron that uses suction to assist ironing, aiming to eliminate the problem of steam leaking into the motor and corroding it during the suction process.

[0004] To achieve the above objectives, the steam iron of this utility model, which uses suction to assist ironing, includes:

[0005] The ironing surface has steam vents distributed within its outline.

[0006] A vaporization device used to vaporize water into steam, which is connected to a steam port for releasing steam.

[0007] The suction device includes a motor and a fan wheel. The fan wheel is located inside the airflow chamber, and the motor is located outside the airflow chamber. The airflow chamber is connected to the air intake and air exhaust ports so that air can be drawn in from the air intake and exhausted from the air exhaust ports when the fan wheel rotates. The motor drives the fan wheel through magnetic transmission.

[0008] The motor drives the impeller via magnetic transmission, instead of mounting the impeller onto the motor shaft and driving it through the motor shaft. Therefore, the motor shaft does not need to pass through the wall of the airflow cavity, completely eliminating air leakage points. When the suction device draws air, steam will not leak into the motor or corrode the motor, resulting in a long motor life.

[0009] Preferably, the motor has a first magnetic drive section, and the impeller has a second magnetic drive section. The first and second magnetic drive sections are axially aligned and isolated by the wall of the airflow cavity. Accordingly, transmission is achieved through the magnetic interaction between the first and second magnetic drive sections.

[0010] Preferably, a support portion is provided inside the airflow cavity, and the wind turbine is rotatably mounted on the support portion via a shaft portion. This provides support for the wind turbine and allows it to rotate flexibly.

[0011] Preferably, the airflow cavity has an inlet located on the suction side of the impeller and an outlet located on the exhaust side of the impeller. The inlet is connected to the suction port, and the outlet is connected to the exhaust port. The motor avoids the inlet and outlet. Accordingly, the inlet and outlet are isolated, and the suction port and exhaust port are isolated, so that the suction and exhaust do not affect each other.

[0012] Preferably, the airflow chamber is located behind the ironing surface, with the inlet facing the ironing surface, and the inlet is coaxially arranged with the impeller. This is to increase the suction efficiency.

[0013] Preferably, the airflow chamber is located inside the head housing, the exhaust port is located in the head housing, and the outlet is connected to the exhaust port via a sealed channel to prevent air leakage during exhaust.

[0014] Preferably, the air intake is located on the ironing surface and distributed around the steam vent. This helps to adhere the clothing to the ironing surface and cover the steam vent, preventing steam from escaping from the gap between the clothing and the ironing surface. This ensures that all the steam released from the steam vent can be used to iron the clothing and also allows the steam to penetrate the clothing to soften it.

[0015] Preferably, a filter screen corresponding to the air intake is provided on the back side of the ironing surface to isolate debris and prevent debris from being sucked into the air intake device.

[0016] Preferably, the ironing surface has an annular suction chamber surrounding the steam vent on the back side. During suction, the annular suction chamber maintains a continuous and stable negative pressure, allowing the suction vent to maintain adhesion to the clothing.

[0017] Preferably, the vaporization device and the suction device are located side by side inside the head housing. The product has a compact structure and small size.

[0018] This invention features steam vents distributed within the outline of the ironing surface. These vents are connected to a vaporization device, which vaporizes water into steam, which is then released through the vents for ironing. Furthermore, a suction device is incorporated to draw the garment towards the ironing surface during ironing, preventing the steam from blowing the garment away and ensuring effective ironing.

[0019] In particular, the suction device of this utility model includes a motor and a fan wheel. The fan wheel is located inside the airflow cavity, and the motor is located outside the airflow cavity. The airflow cavity connects the air intake and the air exhaust. The motor drives the fan wheel through magnetic transmission, instead of installing the fan wheel on the motor shaft and driving the fan wheel through the motor shaft. There is no need for the motor shaft to pass through the wall of the airflow cavity, which completely eliminates the leakage points. When the suction device is suctioning air, steam will not leak into the motor or corrode the motor, and the motor has a long service life. Attached Figure Description

[0020] Figure 1 This is an isometric view of the steam iron of this utility model;

[0021] Figure 2 for Figure 1A schematic diagram of the steam iron shown, from one perspective of orthographic projection.

[0022] Figure 3 for Figure 2 Sectional view along axis AA;

[0023] Figure 4 for Figure 3 Enlarged view of the central suction device;

[0024] Figure 5 This is an exploded view of the suction device and ironing surface of this utility model.

[0025] Figure 6 for Figure 5 A schematic diagram of the structure shown from another perspective;

[0026] Explanation of the labels in the diagram:

[0027] 100 Ironing surface, 101 Steam vent, 102 Air intake, 110 Filter screen;

[0028] 200 vaporization unit;

[0029] 300 suction device,

[0030] 310 motor, 311 first magnetic drive unit,

[0031] 320 Wind turbine, 321 Second magnetic drive unit, 322 Shaft, 323 Bearing.

[0032] 330 airflow cavity, 331 wall, 332 support, 333 inlet, 334 outlet, 335 first shell, 336 second shell;

[0033] 400 sealed channel;

[0034] 500 annular suction chamber,

[0035] 510 First cover, 511 First through hole, 512 First connecting opening, 513 Ring edge,

[0036] 520 Second cover, 521 First through hole, 522 First connecting port;

[0037] 600 sealing ring;

[0038] 700 body,

[0039] 710 Head, 711 Head housing, 712 Exhaust vent;

[0040] 720 handle;

[0041] 730 seats. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0043] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this utility model are intended to cover non-exclusive inclusion, such as a method or product that includes a series of technical features, not limited to those technical features explicitly listed, but also including other technical features that may be included in the method or product but not explicitly listed.

[0044] In this invention, "front" refers to the direction in which the ironing surface faces, i.e., the direction in which steam is released from the steam outlet. The direction away from the ironing surface is "back".

[0045] The present invention will now be described in detail with reference to specific embodiments and accompanying drawings.

[0046] like Figure 1-6 The steam iron shown includes a body 700 and an ironing surface 100, a vaporization device 200, and a suction device 300 assembled with the body. In the illustration, the body 100 includes a head 710, with the ironing surface 100 located at the front end of the head 710. The vaporization device 200 and the suction device 300 are located within the head housing 711. Furthermore, for ease of hand gripping and use, the steam iron extends downwards from the head 710 into a handle 720. For easy placement of the steam iron, the lower end of the handle 720 also has a base 730. In other embodiments, the base may be omitted, and the positional relationship between the handle and the head may be changed as needed, such as the handle extending downwards and backwards from the head.

[0047] In the illustrated structure, steam vents 101 are distributed within the outline of the ironing surface 100. To conduct heat from the vaporization device 200 to the ironing surface, the vaporization device and the ironing surface are thermally conductively assembled, such as by close contact between the vaporization device and the ironing surface or by filling the space between them with thermally conductive adhesive, and the ironing surface 100 is supported by a metal such as stainless steel. The steam vents 101 are through holes formed in the ironing surface 100. In other embodiments, the steam vents may be located on the vaporization device, with corresponding through holes formed on the ironing surface. In the assembled state, the steam vents are exposed through the through holes in the ironing surface to release steam.

[0048] The vaporization device 200 is used to vaporize water into steam, and it is connected to a steam port 101 for releasing steam. Specifically, the vaporization device has a vaporization chamber inside and relies on resistance heating. When water is supplied to the vaporization chamber, the water is heated and vaporized into steam, which is released through the steam port. The resistance used for heating is preferably an electric heating element embedded within the vaporization device.

[0049] The suction device 300 includes a motor 310 and a fan wheel 320. The fan wheel 320 is located inside the airflow chamber 330, while the motor 310 is located outside the airflow chamber 330. The airflow chamber 330 connects to the air intake 102 and the air exhaust 712, allowing air to be drawn in from the air intake and exhausted from the air exhaust 712 when the fan wheel rotates. During ironing, the motor 310 drives the fan wheel 320 to rotate within the airflow chamber 330, drawing air in from the air intake 102 and exhausting air from the air exhaust 712, thereby attracting the clothes towards the ironing surface and preventing steam from blowing the clothes away from the ironing surface. In particular, the motor 310 drives the fan wheel 320 via magnetic transmission, rather than mounting the fan wheel on a motor shaft and driving it through the motor shaft. Therefore, there is no need for the motor shaft to pass through the wall 331 of the airflow chamber, completely eliminating air leakage points. When the suction device is drawing air, steam will not leak into the motor or corrode it, resulting in a longer motor life. The airflow cavity 330 is formed by a sealed connection between the first housing 335 and the second housing 336, so that the wind turbine can be assembled into the airflow cavity.

[0050] In the illustrated structure, the motor 310 has a first magnetic transmission part 311, and the impeller 320 has a second magnetic transmission part 321. The first magnetic transmission part 311 and the second magnetic transmission part 321 are axially aligned and isolated by the wall 331 of the airflow cavity. The transmission is achieved through the magnetic force interaction between the first magnetic transmission part and the second magnetic transmission part.

[0051] In the illustrated structure, a support portion 332 is provided within the airflow cavity 330, and this support portion 332 is formed within the first housing 335. The impeller 320 is rotatably mounted on the support portion 332 via the shaft portion 322, providing support for the impeller and allowing it to rotate flexibly. To increase the flexibility of the impeller's rotation, a bearing 323 is installed between the shaft portion 322 and the support portion 332.

[0052] In the illustrated structure, the airflow chamber 330 has an inlet 333 located on the suction side of the impeller 320 and an outlet 334 located on the exhaust side of the impeller. The inlet 333 is located in the second housing 336, and the outlet 334 is located at the junction of the first housing 335 and the second housing 336. The inlet 333 connects to the suction port 102, and the outlet 334 connects to the exhaust port 712. The motor 310 avoids the inlet 333 and the outlet 334. Therefore, the inlet and outlet are isolated, the suction port and the exhaust port are isolated, and suction and exhaust do not affect each other. Furthermore, except for the inlet and outlet, the rest of the airflow chamber is completely sealed and will not leak. The motor 310 avoids the inlet 333 and the outlet 334, keeping it away from steam and preventing contact with steam.

[0053] In the illustrated structure, the airflow chamber 330 is located behind the ironing surface 100, and the inlet 333 faces the ironing surface 1000. The inlet 333 is coaxially arranged with the impeller 320 to increase suction efficiency.

[0054] In the illustrated structure, the airflow cavity 330 is located inside the head housing 711, and the exhaust port 712 is located in the head housing 711 and faces the left and right sides of the head housing. The outlet 334 is connected to the exhaust port 712 via a sealing channel 400 to prevent air leakage during exhaust. The sealing channel 400 is similar to a sleeve-shaped seal, with one end connected to the outlet and the other end connected to the exhaust port. In the illustrated structure, there are two exhaust ports symmetrically arranged on the left and right, and correspondingly, there are also two outlets and two exhaust ports.

[0055] In the illustrated structure, the air intake 102 is located on the ironing surface 100 and distributed around the steam outlet 101. This facilitates the adsorption of clothing onto the ironing surface and covers the steam outlet, preventing steam from escaping from the gap between the clothing and the ironing surface. This allows all the steam released from the steam outlet to be used for ironing the clothing and also facilitates the steam to penetrate the clothing to soften it.

[0056] In the illustrated structure, a filter 110 corresponding to the air intake is disposed on the back side of the ironing surface 100 to isolate debris and prevent it from being sucked into the suction device. Preferably, the filter is tightly attached to the back side of the ironing surface by means of adhesive or other methods.

[0057] In the illustrated structure, the ironing surface 100 has an annular suction chamber 500 surrounding the steam outlet 101 on its back side. The annular suction chamber 500 surrounds the steam outlet 101 when projected along the front-to-back direction, meaning the annular suction chamber 500 is located around and surrounds the steam outlet. During suction, the annular suction chamber maintains a continuous and stable negative pressure, allowing the suction outlet to retain the clothing. Specifically, a first cover 510 and a second cover 520 are disposed on the rear side of the ironing surface 100. The first cover 510 has a first through hole 511 in its middle portion, and an annular edge 513 extends forward along the edge of the first through hole. The second cover 520 has a second through hole 521 in its middle portion. The first cover 510 is connected to the ironing surface and presses the filter 110 between the first cover 510 and the ironing surface 100. The annular edge 513 forms an interconnected annular suction chamber 500. The second cover 520 is fitted to the rear side of the first cover 510 and connected to the head housing 711. Therefore, the ironing surface, filter, first cover, and second cover can be assembled together first, and then assembled together into the head housing. Furthermore, the vaporization device 200 extends through the corresponding first through-hole 511 and second through-hole 521 to the steam port in the middle of the ironing surface. The first cover 510 has a first connecting port 512, and the second cover 520 has a second connecting port 522. The first and second connecting ports correspond to each other and are connected to the outlet 334 of the airflow chamber via a sealing ring 600. Thus, the annular suction chamber, the first and second connecting ports, and the inlet establish a communication relationship between the airflow chamber and the suction port.

[0058] In the illustrated structure, the vaporization device 200 and the suction device 300 are located side by side inside the head housing 711. The product has a compact structure and small size.

[0059] This steam iron features steam vents distributed along the contour of the ironing surface. These vents are connected to a vaporization device, which vaporizes water into steam during operation and releases it through the vents for ironing. Furthermore, a suction device assists in ironing by drawing the garment towards the ironing surface, preventing the steam from blowing the clothes away and ensuring effective ironing.

[0060] In particular, the suction device of this steam iron includes a motor and a fan wheel. The fan wheel is located inside the airflow chamber, and the motor is located outside the airflow chamber. The airflow chamber connects the air intake and the air exhaust. The motor drives the fan wheel through magnetic transmission, instead of mounting the fan wheel on the motor shaft and driving the fan wheel through the motor shaft. This eliminates the need for the motor shaft to pass through the wall of the airflow chamber, completely eliminating air leakage points. When the suction device is drawing air, steam will not leak into the motor or corrode the motor, resulting in a long motor life.

Claims

1. A steam iron that uses suction to assist ironing, characterized by: include: Ironing surface (100), with steam vents (101) distributed within its outline; A vaporization device (200) for vaporizing water into steam, which is connected to a steam port (101) for releasing steam; The suction device (300) includes a motor (310) and a fan (320). The fan (320) is located inside the airflow chamber (330), and the motor (310) is located outside the airflow chamber (330). The airflow chamber (330) is connected to the suction port (102) and the exhaust port (712) for sucking air from the suction port and exhausting air from the exhaust port when the fan rotates. The motor (310) drives the fan (320) through magnetic transmission.

2. The steam iron according to claim 1, characterized in that: The motor (310) has a first magnetic drive section (311), and the impeller (320) has a second magnetic drive section (321). The first magnetic drive section (311) and the second magnetic drive section (321) are axially aligned and isolated by the wall (331) of the airflow cavity.

3. The steam iron according to claim 1 or 2, characterized in that: A support (332) is provided inside the airflow cavity (330), and the impeller (320) is rotatably mounted on the support (332) via the shaft (322).

4. The steam iron according to claim 1, characterized in that: The airflow chamber (330) has an inlet (333) located on the suction side of the impeller and an outlet (334) located on the exhaust side of the impeller. The inlet (333) is connected to the suction port (102), and the outlet (334) is connected to the exhaust port (712). The motor (310) avoids the inlet (333) and the outlet (334).

5. The steam iron according to claim 4, characterized in that: The airflow chamber (330) is located behind the ironing surface (100), and the inlet (333) faces the ironing surface (100). The inlet (333) is arranged coaxially with the impeller (320).

6. The steam iron according to claim 4 or 5, characterized in that: The airflow chamber (330) is located inside the head housing (711), the exhaust port (712) is located in the head housing (711), and the outlet (334) is connected to the exhaust port (712) through the sealed channel (400).

7. The steam iron according to claim 1, characterized in that: The air intake (102) is located on the ironing surface (100) and distributed around the steam vent (101).

8. The steam iron according to claim 7, characterized in that: The ironing surface (100) is equipped with a filter (110) corresponding to the air intake (102) on the back side.

9. The steam iron according to claim 7, characterized in that: The ironing surface (100) has an annular suction cavity (500) surrounding the steam vent on the back side.

10. The steam iron according to any one of claims 1, 7-9, characterized in that: The vaporization device (200) and the suction device (300) are located side by side inside the head housing (711).