Steam iron with air suction assisted ironing

Abstract

The utility model discloses a kind of steam ironing device through air suction auxiliary ironing, belong to clothes ironing appliance, existing ironing device air suction suction small, noisy, the utility model by limiting the spacing of working surface and centrifugal fan wheel is not greater than the diameter of centrifugal fan wheel or / and the diameter of flow guide channel is not greater than the diameter of centrifugal fan wheel, to make the spacing of working surface and centrifugal fan wheel, the diameter of flow guide channel and the diameter of centrifugal fan wheel match, first, the diameter of centrifugal fan wheel is guaranteed air volume and suction of air suction fan, under this premise, avoid that air suction path is too long to cause that noise is too large, reach the purpose that suction is large, noise is small.

Description

Technical Field

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

[0002] When using a garment steamer, the released steam can blow clothes away from the work surface, hindering the steam from reaching the work surface for proper ironing. Using a suction fan to draw the clothes towards the work surface during ironing can overcome this drawback. However, the suction fan in existing handheld garment steamers is often located too far from the suction port on the work surface, resulting in weak suction and significant noise. Utility Model Content

[0003] This invention addresses the shortcomings of existing irons that use a fan to draw clothes onto the work surface, such as weak suction and high noise. It provides a steam iron with strong suction and low noise, which uses suction to assist ironing.

[0004] To achieve the above objectives, the present invention provides a steam iron that uses suction to assist ironing, comprising: The head housing is equipped with ventilation holes; A vaporization device used to vaporize water into steam; The working surface is assembled at the front end of the head shell. The working surface is equipped with steam holes and suction holes. The steam holes are used to release steam from the vaporization device, and the suction holes are used to adsorb clothes onto the working surface by suction. The suction fan is located inside the head housing. When the suction fan is working, it draws in air through the suction port and exhausts air through the exhaust port. The working surface has a uniform air chamber located on the rear side, corresponding to the suction holes inside the head housing. When the fan is working, it draws air from the suction holes through the uniform air chamber, so that each suction hole can exert a consistent suction force on the clothes. The fan includes a guide chamber, a centrifugal impeller and a motor. The guide chamber has a forward-facing air inlet and a lateral exhaust channel extending to the exhaust hole. The air inlet is connected to the uniform air chamber through the forward-facing guide channel. The centrifugal impeller is driven by the motor and located in the guide chamber. The distance between the working surface and the centrifugal impeller is not greater than the diameter of the centrifugal impeller and / or the diameter of the guide channel is not greater than the diameter of the centrifugal impeller.

[0005] This steam iron ensures that the distance between the working surface and the centrifugal impeller is no greater than the diameter of the centrifugal impeller and / or the diameter of the airflow channel is no greater than the diameter of the centrifugal impeller. This matches the distance between the working surface and the centrifugal impeller, and the diameter of the airflow channel with the diameter of the centrifugal impeller. First, the diameter of the centrifugal impeller ensures the air volume and suction power of the suction fan. Under this premise, it avoids excessive noise caused by an excessively long suction path, thus achieving the goal of strong suction power and low noise.

[0006] Because the suction fan easily draws in steam, which readily condenses into water droplets, the head housing has an exhaust duct. During operation, the suction fan exhausts air through this duct to the exhaust port. This prevents water droplets from condensing inside the head housing from damaging the motor.

[0007] In different embodiments, the guide channel is either a cylindrical shape with a constant diameter or a funnel shape. When the guide channel is funnel-shaped, the diameter of its forward-facing end is larger than the diameter of its rearward-facing end. It guides the airflow from the uniform air chamber to the guide cavity. Since the volume and distribution area of ​​the uniform air chamber are larger than those of the guide channel, the funnel-shaped guide channel can connect with the uniform air chamber with a larger opening, resulting in a smoother deflection and lower noise when guiding the airflow from the uniform air chamber to the guide cavity. Specifically, the inner wall of the guide channel is one of a conical, arc-shaped, conical-cylindrical, or conical-arc shape.

[0008] In particular, the middle part of the guide channel has a constriction, the diameter of which is smaller than the diameter at both ends of the guide channel. When the airflow passes through the constriction, it is concentrated there and then flows from the rear end of the guide channel into the guide cavity, thus creating a "Venturi effect" when the guide channel guides the airflow. This reduces the power of the motor and the speed of the centrifugal impeller, thereby reducing the noise of the suction fan.

[0009] Preferably, the flow guiding channel is formed on the flow guiding member, which has a stepped surface, and the edge of the front end face of the centrifugal impeller is located behind the stepped surface. This ensures that the front end face of the centrifugal impeller has a large suction area, while avoiding radial air leakage from the centrifugal impeller that would weaken the suction effect, thus guaranteeing suction power and air volume.

[0010] Preferably, the flow guiding cavity is located within the flow guiding member, and an internal member is provided inside the head housing, which covers the flow guiding cavity. This facilitates assembly, ensures a seamless connection between the flow guiding channel and the flow guiding cavity, prevents air leakage that could reduce airflow and suction, and also avoids noise caused by air leakage.

[0011] Preferably, the motor is fixed to the rear side of the internal components. This isolates the intake airflow and prevents steam-containing airflow from contacting the motor and causing adverse effects.

[0012] Preferably, the steam holes are distributed in the middle of the working surface, the suction holes are distributed around the steam holes, the guide member has a receiving channel, the vaporization device is located in the head housing and extends towards the steam holes through the receiving channel, and the air distribution cavity is formed between the guide member and the working surface and distributed around the vaporization device. This structure is simple and compact, facilitates assembly, and also makes the inner wall of the air distribution cavity smooth, reducing the noise caused by airflow passing through the inner wall of the air distribution cavity. Moreover, during ironing, the suction draws the clothes onto the working surface and the clothes cover the steam holes, avoiding the formation of gaps between the clothes and the working surface that would cause steam overflow, ensuring that all the steam is applied to the clothes for ironing and guaranteeing the ironing effect.

[0013] Preferably, the flow guiding component has a surrounding edge, the working surface is located inside the surrounding edge, and the surrounding edge and the working surface are sealed by a sealing ring. This prevents air leakage and noise caused by air leakage.

[0014] This invention ensures that the distance between the working surface and the centrifugal impeller is no greater than the diameter of the centrifugal impeller and / or the diameter of the guide channel is no greater than the diameter of the centrifugal impeller. This allows the distance between the working surface and the centrifugal impeller, and the diameter of the guide channel to match the diameter of the centrifugal impeller. First, the diameter of the centrifugal impeller ensures the air volume and suction power of the suction fan. Under this premise, it avoids excessive noise caused by an excessively long suction path, thus achieving the goal of high suction power and low noise. Attached Figure Description

[0015] Figure 1 This is a front-to-back orthographic projection diagram of the steam iron of Embodiment 1 of this utility model. Figure 2 for Figure 1 Enlarged cross-sectional view along the AA direction; Figure 3 for Figure 2 Enlarged view of the centrifugal impeller, guide cavity, guide channel, air distribution cavity and working surface; Figure 4 for Figure 1 Enlarged partial cross-sectional view of BB; Figure 5 for Figure 4 CC-direction sectional view; Figure 6 for Figure 1 The diagram shows an exploded view of the motor, centrifugal impeller, air guide components, and working surface of the steam iron. Figure 7 for Figure 6 A schematic diagram of the structure shown from another perspective; Figure 8 This is a schematic diagram of the equal-diameter cylindrical flow channel of this utility model; Figure 9 This is a schematic diagram of the conical flow guide channel of this utility model; Figure 10 This is a schematic diagram of the conical arc-shaped flow guide channel of this utility model; Figure 11 This is a schematic diagram of the conical flow channel of this utility model; Explanation of the labels in the diagram: 100 Head shell, 101 Exhaust vent, 102 Air distribution chamber, 103 Internal components; 200 vaporization unit; 300 working surface, 301 steam vent, 302 air intake vent; 400 suction fan, 410 motor, 420 centrifugal impeller, d is the diameter of the centrifugal impeller. 430 flow channel, 431 necking, D diameter of flow channel. 440 Flow guiding component, 441 Stepped surface, 442 Receiving channel, 443 Surrounding edge, 444 Sealing ring 450 air guide cavity, 451 air inlet, 452 exhaust duct; 500 handles; 600 seats; The distance between the working surface S and the centrifugal impeller. Detailed Implementation

[0016] 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.

[0017] 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.

[0018] The present invention will now be described in detail with reference to specific embodiments and accompanying drawings.

[0019] Figure 1-7 A steam ironing device that uses suction to assist ironing is shown. The steam ironing device includes a head housing 100, a vaporization device 200, a working surface 300, and a suction fan 400.

[0020] The head housing 100 is equipped with a vent 101. For ease of assembly, the head housing is an assembly structure.

[0021] The vaporization device 200 is used to vaporize water into steam.

[0022] The working surface 300 is mounted on the front end of the head housing 100 and is used to face or even contact the clothing during ironing. The ironing surface faces forward. The working surface is provided with steam holes 301 and suction holes 302. The steam holes 301 are used to release steam from the vaporization device, and the suction holes 302 are used to suction the clothing to the working surface.

[0023] The suction fan 400 is located inside the head housing 100. When the suction fan 400 is working, it draws air from the suction hole 302 of the working surface 300 and exhausts air from the exhaust hole 101 of the head housing 100.

[0024] The working surface 300 has a corresponding air distribution chamber 102 located within the head housing, corresponding to the suction hole 302. The suction fan 400 includes a guide chamber 450, a centrifugal impeller 420, and a motor 410. The guide chamber 450 has a forward-facing air inlet 451 and an exhaust channel 452 extending laterally to the exhaust hole 101. The air inlet 451 is connected to the air distribution chamber 102 via the forward-facing guide channel 430. Therefore, the air inlet 451 is the forward-facing part of the guide chamber 450 connected to the guide channel. The centrifugal impeller 420 is driven by the motor 410 and located within the guide chamber 450. The guide channel 430 in the illustrated structure is specifically shown as a tubular structure of a certain length extending forward from the air inlet 451. Figure 3 As shown, the distance S between the working surface 300 and the centrifugal impeller 420 is not greater than the diameter d of the centrifugal impeller, and / or the diameter D of the guide channel is not greater than the diameter d of the centrifugal impeller. The exhaust channel 452 shown in the figure is formed on the guide member 440. In other embodiments, the exhaust channel may be formed on a separate member.

[0025] When the centrifugal impeller 420 rotates, the airflow is drawn into the airflow chamber 450 through the air intake hole 302, the air distribution chamber 102, the air guide channel 430, and the air inlet 451 according to the airflow path. The airflow is then discharged from the air guide chamber 450 through the air exhaust channel 452 and the air exhaust hole 101. Figure 4 In the diagram, the direction of airflow is indicated by a dashed line marked with an arrow.

[0026] This steam iron, by limiting the distance between the working surface and the centrifugal impeller to no greater than the diameter of the centrifugal impeller, and / or the diameter of the guide channel to no greater than the diameter of the centrifugal impeller, ensures that the distance between the working surface and the centrifugal impeller, and the diameter of the guide channel are matched with the diameter of the centrifugal impeller. First, the diameter of the centrifugal impeller ensures the air volume and suction power of the suction fan. Under this premise, it avoids excessive noise caused by an excessively long suction path, thus achieving the goal of strong suction power and low noise.

[0027] Because the suction fan easily draws in steam, which readily condenses into water droplets, the head housing has an exhaust duct. During operation, the suction fan exhausts air through this duct to the exhaust port. This prevents water droplets from condensing inside the head housing from damaging the motor.

[0028] In this embodiment, the guide channel 430 is funnel-shaped. The diameter of its forward-facing end is larger than the diameter of its rearward-facing end. It guides the airflow from the uniform air chamber to the guide cavity. Since the volume and distribution area of ​​the uniform air chamber are larger than those of the guide channel, the funnel-shaped guide channel can connect with the uniform air chamber with a larger opening, resulting in a smoother deflection and lower noise when guiding the airflow from the uniform air chamber to the guide cavity. Figure 3 As shown, the inner wall of the guide channel 430 is arc-shaped; that is, after the guide channel is divided by a plane along its centerline, the inner wall of the guide channel appears as an arc. In particular, the middle part of the guide channel 430 has a constriction neck 431, the diameter of which is smaller than the diameter at both ends of the guide channel. When the airflow passes through the constriction neck, it is concentrated there and then flows from the rear end of the guide channel into the guide cavity, thus creating a "Venturi effect" in the airflow. This reduces the power of the motor and the speed of the centrifugal impeller, thereby reducing the noise of the suction fan.

[0029] In other embodiments, the funnel-shaped flow channel 430 also has an inner wall of Figure 9 The cone shape shown Figure 11 The cone-shaped or Figure 10 The conical arc shape shown. In Figure 9 In the context of flow channel 430, the inner wall being conical means that after dividing the flow channel with a plane along its centerline, the inner wall of the flow channel forms a straight line that maintains an angle with the centerline of the flow channel. Figure 10 In the context of the flow guide channel 430, the inner wall being conical means that after dividing the flow guide channel along a plane with its center line, the inner wall of the flow guide channel consists of a straight line that maintains an angle with the center line of the flow guide channel, and an arc that smoothly connects to that straight line. Figure 11 In the context of the flow channel 430, the inner wall being conical means that after the flow channel is divided along the plane of the center line of the flow channel, the inner wall of the flow channel is a straight line parallel to the center line of the flow channel and a straight line connected to the center line of the flow channel that forms an angle with the center line of the flow channel.

[0030] Besides the funnel-shaped flow channel, the flow channel can also be presented as... Figure 8 The shape shown is a cylindrical shape with the same diameter.

[0031] In the illustrated structure, the flow guiding channel 430 is formed on the flow guiding member 440, which has a stepped surface 441. The edge of the front end face of the centrifugal impeller 420 is located behind the stepped surface 441. This ensures that the front end face of the centrifugal impeller has a large suction area while preventing radial air leakage from the centrifugal impeller from weakening the suction effect, thus guaranteeing suction power and air volume.

[0032] Furthermore, the flow guide cavity 450 is located within the flow guide member 440, and an internal member 103 is provided inside the head housing 100, covering the flow guide cavity 450. This facilitates assembly and ensures a seamless connection between the flow guide channel and the flow guide cavity, preventing air leakage that could reduce airflow and suction, and also avoiding noise caused by air leakage. Additionally, the motor 410 is fixed to the rear side of the internal member 103. This isolates the intake airflow, preventing steam-containing airflow from contacting the motor and causing adverse effects.

[0033] like Figure 1 As shown, steam holes 301 are located in the middle of the working surface 300, and suction holes 302 are located around the steam holes 301. Figure 6-7 As shown, the guide member 440 has a receiving channel 442. The vaporization device 200 is located inside the head housing 100 and extends to the steam hole 301 through the receiving channel 442. The air distribution cavity 102 is formed between the guide member 440 and the working surface 300 and is distributed around the vaporization device 200. This structure is simple and compact, facilitating assembly and ensuring a smooth inner wall of the air distribution cavity, reducing noise caused by airflow passing through the inner wall of the air distribution cavity. Moreover, during ironing, the suction draws the clothing onto the working surface, covering the steam hole with the clothing, preventing gaps between the clothing and the working surface from causing steam overflow, ensuring that all steam is applied to the clothing for ironing and guaranteeing ironing effect. Furthermore, the internal components act as a heat insulation cover around the vaporization device to block the radiant heat from the operation of the vaporization device.

[0034] like Figure 4 , Figure 6-7 As shown, the flow guiding member 440 has a surrounding edge 443, and the working surface 300 is located inside the surrounding edge 443. The surrounding edge 443 and the working surface 300 are sealed by a sealing ring 444 to prevent air leakage and noise caused by air leakage.

[0035] like Figure 1 As shown, a handle 500 for gripping extends downward from the head housing 100. The lower end of the handle 500 is connected to a seat 600, through which the steam iron can be placed on a platform. In other embodiments, the seat may be omitted, such as in garment steamers, where a semi-circular opening is typically provided for the steam iron, allowing the handle to be placed within the semi-circular space.

Claims

1. Steam ironing appliance with suction-assisted ironing, characterised in that include: Head housing (100) is provided with an exhaust vent (101). Vaporizing device (200) for vaporizing water into steam; The working surface (300) is assembled at the front end of the head housing (100). The working surface is provided with steam holes (301) and suction holes (302). The steam holes (301) are used to release steam from the vaporization device, and the suction holes (302) are used to suction the clothes to the working surface. The suction fan (400) is located inside the head housing (100). When the suction fan (400) is working, it draws air in through the suction hole (302) and exhausts air through the exhaust hole (101). The working surface (300) has a uniform air chamber (102) with a corresponding suction hole (302) located in the head housing on the rear side. The suction fan (400) includes a guide chamber (450), a centrifugal impeller (420) and a motor (410). The guide chamber (450) has a forward-facing air inlet (451) and an exhaust channel (452) extending laterally to the exhaust hole (101). The air inlet (451) is connected to the uniform air chamber (102) through the forward-facing guide channel (430). The centrifugal impeller (420) is driven by the motor (410) and located in the guide chamber (450). The distance (S) between the working surface (300) and the centrifugal impeller (420) is not greater than the diameter (d) of the centrifugal impeller and / or the diameter (D) of the guide channel is not greater than the diameter (d) of the centrifugal impeller.

2. A steam iron according to claim 1, characterised in that: The flow channel (430) is a cylindrical shape with equal diameter.

3. A steam iron according to claim 1, characterized in that: The flow channel (430) is funnel-shaped, with the diameter of its forward end being larger than the diameter of its rear end.

4. A steam iron according to claim 3, characterised in that: The inner wall of the flow channel (430) is one of the following shapes: conical, arc-shaped, cone-shaped, and conical-arc.

5. A steam iron according to claim 4, characterised in that: The middle part of the flow channel (430) has a constriction (431), the diameter of which is smaller than the diameter of the two ends of the flow channel.

6. A steam iron according to any one of claims 1 to 5, characterised in that: A flow channel (430) is formed on a flow guide member (440), which has a stepped surface (441). The edge of the front end face of the centrifugal impeller (420) is located behind the stepped surface (441).

7. A steam iron according to claim 6, characterised in that: The flow guide cavity (450) is located in the flow guide member (440), and the head shell (100) is provided with an internal member (103), which covers the flow guide cavity (450).

8. A steam iron according to claim 7, characterised in that: The motor (410) is fixed to the rear side of the internal component (103).

9. A steam iron according to claim 6, characterized by: Steam holes (301) are distributed in the middle part of the working surface, air suction holes (302) are distributed around the steam holes (301), the flow guide member (440) has a receiving channel (442), the vaporization device (200) is located in the head housing (100) and extends to the steam holes (301) through the receiving channel (442), and the air distribution cavity (102) is formed between the flow guide member (440) and the working surface (300) and is distributed around the vaporization device (200).

10. A steam iron according to claim 9, characterized by a flow guide The component (440) has a perimeter (443), and the working surface (300) is located inside the perimeter (443). The perimeter (443) and the working surface (300) are sealed by a sealing ring (444).

Images