CN205359358U - Steam vacuum cleaner - Google Patents

Abstract

The utility model discloses a steam vacuum cleaner, which comprises: a base, an air inlet is arranged on the base; A plurality of vortex air ducts are provided, and the air inlet is in fluid communication with the plurality of vortex air ducts; the fan is arranged in the housing and includes a motor and a cooling wind wheel connected to the lower end of the motor shaft of the motor. The opening connected to the intake end of the heat dissipation fan wheel, wherein a plurality of vortex air ducts communicate with the opening respectively, and the vortex air duct is configured to guide the air entering the air inlet to the heat dissipation fan wheel to dissipate heat for the motor. According to the steam vacuum cleaner of the utility model, the air flows gradually in multiple vortex air ducts, and at the same time, multiple airflows with circulation can be generated to enter the heat dissipation fan wheel, so that the heat dissipation air is more in line with the flow law, and the fluidity of the heat dissipation air is optimized.

Description

steam cleaner

technical field

The utility model relates to the technical field of vacuum cleaners, in particular to a steam vacuum cleaner.

Background technique

The steam vacuum cleaner in the prior art is powered by a high-speed centrifugal fan, sucks the garbage into the filter device of the steam cleaner, and through the separation of the downstream air and the garbage separation device, the garbage remains in the filter device, and the clean air is discharged outside the body. Among them, the heat dissipation of the fan affects the safe operation and service life of the steam cleaner. The air flow performance of the air duct in the related art is poor, which leads to poor heat dissipation of the motor and affects the safety performance of the steam cleaner.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes a steam cleaner, which has good cooling air fluidity, good fan cooling effect, and high safety performance.

The steam cleaner according to the utility model comprises: a base, an air inlet is provided on the base; a housing, the housing is arranged on the base and has an air outlet on the side wall of the housing, A plurality of vortex air ducts are defined between the bottom wall of the body and the base, and the air inlet is in fluid communication with the plurality of vortex air ducts; the fan is arranged in the housing and includes a motor and a connection The heat dissipation wind wheel at the lower end of the motor shaft of the motor, the bottom wall of the housing has an opening communicating with the air intake end of the heat dissipation wind wheel, wherein the plurality of vortex air ducts communicate with the openings respectively, The vortex air duct is configured to guide the air entering the air inlet to the heat dissipation fan wheel to dissipate heat from the motor.

According to the steam vacuum cleaner of the present invention, a plurality of vortex air passages are defined between the housing and the base, and the plurality of vortex air passages communicate with the air inlet and the air intake end of the heat dissipation fan wheel. The vortex air duct has the functions of collecting flow and providing a circular volume before the air flows to the fan, and the air can produce a tapered flow in the vortex air duct. Thus, it is beneficial for the air to form a vortex, so that the cooling air is more in line with the flow law, and the air flow is promoted. As a result, the air flows gradually in the plurality of vortex air ducts, and at the same time, multiple streams of air flow with circulation can be generated to enter the cooling fan wheel, which further optimizes the fluidity of the cooling air.

According to some embodiments of the present invention, a partition assembly extends downward from the bottom wall of the housing, wherein the vortex air channel is jointly formed by the partition assembly, the bottom wall of the housing, and the base. limited out.

Optionally, the vortex air channel includes a first vortex air channel and a second vortex air channel, and the baffle assembly includes: a first baffle, and the first baffle includes a straight section and an arc section, so The arc-shaped segment is arranged around a part of the opening and defines a flow channel with a gradually decreasing width between the opening; the second partition, the second partition and the flat surface of the first partition A straight chamber is defined between the straight sections, and the straight chamber communicates with the flow channel and together constitutes the first vortex air channel.

Further, the baffle assembly further includes: a third baffle; a fourth baffle, a second vortex air passage is defined between the fourth baffle and the third baffle, and the second vortex air The channel is formed as a curved air channel.

Further, the third partition is connected to one end of the first partition adjacent to the opening through a partition tongue, and the partition tongue extends to the edge of the opening to connect the first vortex air duct and the The second vortex air ducts are spaced apart.

Further, a fifth partition surrounding a part of the opening is further included, and the fifth partition is connected between the second partition and an end portion of the fourth partition adjacent to the opening.

Further, the second partition is connected to the end of the fourth partition that is far away from the opening.

In some embodiments of the present invention, the directions in which the plurality of vortex air ducts flow into the opening are different.

In some embodiments of the present utility model, a cavity is defined between the bottom wall of the housing and the base, and the air inlet corresponds to the position of the cavity, wherein the vortex air duct is connected to the The cavities are connected.

Optionally, the control board of the steam cleaner is arranged in the cavity so that the gas entering from the air inlet passes through the control board first.

Further, at least one dimension of length, width and depth of the cavity is larger than a corresponding dimension of the control board.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of a steam cleaner according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of a base of a steam cleaner according to an embodiment of the present invention;

3 is a schematic structural view of the bottom of the housing of the steam cleaner according to an embodiment of the present invention;

Fig. 4 is a schematic structural view of a casing of a steam cleaner according to an embodiment of the present invention.

Reference signs:

100: steam cleaner;

1: housing, 11: air outlet, 12: baffle, 13: fan housing, 14: air outlet, 15: opening, 16: housing bottom wall;

2: Base;

3: Control board;

4: air inlet 4;

5: cavity 5;

6: partition assembly, 61: first partition, 611: straight cavity, 612: flow channel, 614: straight section, 615: arc section, 616: first vortex air duct, 62: second partition , 63: the third partition, 631: the second vortex air duct, 64: the fourth partition, 65: the fifth partition;

7: The tongue is separated.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The following describes a steam cleaner 100 according to an embodiment of the present invention with reference to FIGS. 1-4 .

As shown in FIGS. 1-4 , the steam cleaner 100 according to the embodiment of the present invention may include a base 2 , a housing 1 and a fan (not shown).

As shown in FIGS. 1 and 2 , the base 2 is provided with an air inlet 4 . In the example shown in FIG. 2 , the base 2 may be formed as a plate structure, and the air inlet 4 is provided on the base 2 and runs through the base 2 . When the steam cleaner 100 is placed on the ground, the air inlet 4 is arranged opposite to the ground, and this arrangement can reduce noise to a certain extent. Optionally, the air inlet 4 can be formed as an air inlet grille, and the air inlet grille can include a plurality of grille bars, and the plurality of grille bars can be arranged in parallel or intersect to facilitate filtering from the air inlet. 4 The incoming air prevents the dirt in the air from flowing into the steam cleaner 100 with the air.

As shown in Figure 1 and Figure 3, the housing 1 is arranged on the base 2 and has an air outlet 11 on the side wall of the housing 1, a plurality of vortex air ducts are defined between the housing bottom wall 16 and the base 2, and the air inlet 4 is in fluid communication with a plurality of vortex air channels (for example, the first vortex air channel 616 and the second vortex air channel 631 shown in FIG. 3 ). Thus, air enters from the air inlet 4 and flows to the fan through a plurality of vortex air ducts.

The blower fan is arranged in the housing 1 and includes a motor and a heat dissipation wind wheel connected to the lower end of the motor shaft of the motor. The bottom wall 16 of the housing has an opening 15 communicating with the intake end of the heat dissipation wind wheel, wherein a plurality of vortex air ducts are respectively Communicating with the opening 15, each vortex air channel is configured to guide the air entering the air inlet 4 to the heat dissipation fan wheel to dissipate heat from the motor.

Specifically, as shown in FIG. 3 , a plurality of vortex air ducts are formed upstream of the heat dissipation fan, the air inlet 4 communicates with the inlet ends of the plurality of vortex air ducts, and air flows from the air inlet 4 to the plurality of vortex air ducts. The vortex air duct has the functions of collecting flow and providing a circular volume before the air flows to the fan, and the air can produce a tapered flow in the vortex air duct. Therefore, it is beneficial for the air to flow to the heat dissipation wind wheel, so that the heat dissipation air is more in line with the flow law, and the air flow is promoted.

The fan includes a motor and a heat dissipation wind wheel. The heat dissipation wind wheel is arranged at the lower end of the motor shaft, and the motor shaft can drive the wind wheel to rotate. On the bottom wall 16 of the housing, an opening 15 penetrating the bottom wall 16 is formed, wherein a plurality of vortex air ducts The air inlets of each are connected with the air inlet 4, and the air outlets of the plurality of vortex air ducts are connected with the opening 15, and the air circulates in the plurality of vortex air ducts, and is guided to the heat dissipation wind wheel through the plurality of vortex air ducts. As a result, the air flows tapered in the multiple vortex air ducts, and at the same time, a plurality of airflows with circulation can be generated to enter the heat dissipation fan wheel, further optimizing the fluidity of the heat dissipation air.

Further, the blower fan can also include a motor casing, the heat dissipation wind wheel and the motor are arranged in the motor casing, a heat dissipation air duct can be formed in the motor casing, and a motor casing outlet can be formed on the part of the motor casing located outside the motor. The air outlet, the air outlet of the motor casing is set on the upper part of the outer part of the motor casing. The air enters the cooling air duct from the cooling fan wheel at the bottom of the motor, and flows along the axial direction of the motor in the cooling air duct to take away the heat of the motor. The heated hot air is discharged from the air outlet 14 of the motor casing, and is discharged from the casing 1 through the air outlet 11 on the side wall of the casing 1 .

According to the steam cleaner 100 of the embodiment of the present utility model, a plurality of vortex air passages are defined between the housing 1 and the base 2 , and the plurality of vortex air passages communicate with the air inlet 4 and the air inlet of the cooling fan wheel. The vortex air duct has the functions of collecting flow and providing a circular volume before the air flows to the fan, and the air can produce a tapered flow in the vortex air duct. Thus, it is beneficial for the air to form a vortex, so that the cooling air is more in line with the flow law, and the air flow is promoted. As a result, the air flows gradually in multiple vortex air ducts, and at the same time, multiple streams of air flow with circulation can be generated to enter the heat dissipation fan wheel, so that the flow of heat dissipation air is greatly optimized.

In some embodiments of the present utility model, as shown in FIG. 4 , a plurality of baffles 12 are formed on the outside of the fan, and the plurality of baffles 12 extend along the axial direction of the fan and are arranged at intervals along the circumference of the fan for heat exchange. The rearward air flows out to the outside of the fan, and flows out between the multiple baffles 12, thereby reducing the flow velocity of the air and helping to reduce noise at the same time. Further, the steam cleaner 100 also includes a steam generator, and the housing 1 is provided with a fan housing part 13, the fan and the baffle 12 are both arranged in the fan housing part 13, and the fan housing part 13 is provided with an outlet facing the steam generator. The air outlet 14, whereby the air flows out from the air outlet 14, so as to flow to the steam generator, so as to convect and dissipate heat to the steam generator, so that the temperature of the outer wall of the steam generator is lower than the safe temperature.

In some embodiments of the present utility model, the partition assembly 6 can be extended downward from the housing bottom wall 16, and the partition assembly 6 forms a volute shape, wherein the vortex air duct is formed by the partition assembly 6, the housing bottom wall 16 It is jointly defined with the base 2. Specifically, the bottom of the casing 1 is open, the partition assembly 6 is arranged on the bottom wall 16 of the casing and is located below the fan, the base 2 is used to close the bottom of the casing 1, and the partition assembly 6 is arranged on the bottom wall of the casing. between 16 and base 2. The baffle assembly 6 may include a plurality of baffles, which are spaced apart from each other, and air flows between the multiple baffles, so as to block the noise generated by the air flow.

In some examples of the present utility model, the vortex air channel may include a first vortex air channel 616 and a second vortex air channel 631, the baffle assembly 6 may include a first baffle 61 and a second baffle 62, the first baffle 61 includes a straight section 614 and an arc section 615. The arc section 615 is arranged around a part of the opening 15 and defines a flow path 612 with a gradually decreasing width between the opening 15. The second partition 62 and the first partition 61 A straight chamber 611 is defined between the straight sections 614 , and the straight chamber 611 communicates with the flow channel 612 and together constitutes a first vortex air channel 616 .

Thus, the air flows from the air inlet 4 to the straight chamber 611, and the width of the straight chamber 611 is basically the same, and then the air flows from the straight chamber 611 to the flow channel 612, and the width of the flow channel 612 gradually decreases in the flow direction of the air. , the distance between the arc section 615 and the opening 15 gradually decreases, the air flows along the inner side wall of the arc section 615 and gradually flows to the opening 15 at the intake end of the cooling fan wheel, thus, the first vortex air channel 616 It can have the functions of concentrating flow and providing circumferential circulation, and the air generates a tapered flow in the first vortex air duct 616 , so that the cooling air is more in line with the flow law and the flow performance of the air is optimized.

Optionally, the arc segment 615 and the straight segment 614 of the first partition 61 can adopt a circular arc for a smooth transition. Further, the arc segment 615 can form a logarithmic spiral shape, and the arc segment 615 and the opening 15 A logarithmic helical flow channel 612 is defined, and the air generates a tapered flow in the flow channel 612, thereby further facilitating the flow of air. In the example shown in Figure 3, the arc segment 615 is in the shape of a logarithmic helix, the opening 15 can be in a circular shape, and the center of the circle of the opening 15 and the center of the arc segment 615 can be coincident, so that the arc segment 615 A flow channel 612 whose width gradually decreases is defined between the opening 15 and the opening 15 .

When it needs to be explained, in some other embodiments of the present utility model, the straight cavity 611 and the flow channel 612 can jointly form a logarithmic spiral shape, that is, the first vortex air channel 616 is in a logarithmic spiral shape, so that the air A tapered flow is generated in the first vortex air channel 616 .

Optionally, the baffle assembly 6 may also include a third baffle 63 and a fourth baffle 64, a second vortex air passage 631 is defined between the fourth baffle 64 and the third baffle 63, and the second vortex air passage 631 is formed as a curved air duct. Thus, the air enters from the air inlet 4 and can flow to the first vortex air channel 616 and the second vortex air channel 631, and the air can flow along a curve in the second vortex air channel 631, and the second vortex air channel 631 The air outlet communicates with the opening 15 , and the air can be guided to the opening 15 through the first vortex air channel 616 and the second vortex air channel 631 .

Further, as shown in FIG. 3 , the third partition 63 is connected to one end of the first partition 61 adjacent to the opening 15 through the partition tongue 7 , and the partition tongue 7 extends to the edge of the opening 15 to connect the first vortex air duct 616 and the second partition. The two vortex air ducts 631 are spaced apart. Thus, not only can the air in the first vortex air channel 616 be prevented from flowing to the second vortex air channel 631 through the partition tongue 7, but also the air in the second vortex air channel 631 can be prevented from flowing to the first vortex air channel 616, so as to reduce multiple The impact of the air flow can simultaneously make the air in the first vortex air channel 616 and the second vortex air channel 631 gather at the partition tongue 7 and flow to the opening 15, so as to reduce the impact loss of the air flow.

Further, as shown in FIG. 3 , the baffle assembly 6 may further include a fifth baffle 65 surrounding a part of the opening 15 , the fifth baffle 65 is connected between the second baffle 62 and the fourth baffle 64 adjacent to the opening 15 between the ends. Thus, the air flow can be restricted by the fifth partition 65 , so that the air flows in a direction around the opening 15 , so that the air flow performance can be further improved.

Further, the ends of the second partition 62 and the fourth partition 64 away from the opening 15 are connected. As shown in Figure 3, that is, the inlet end of the first vortex air channel 616 and the inlet end of the second vortex air channel 631 are adjacently arranged, and the air flows from the air inlet 3 to the first vortex air channel 616 and the second vortex air channel 631 , so that the ends of the second baffle 62 and the fourth baffle 64 away from the opening 15 are naturally separated to flow to the first vortex air channel 616 and the second vortex air channel 631 respectively.

In some embodiments of the present invention, the directions of the plurality of vortex air ducts flowing into the opening 15 are different. For example, as shown in FIG. 3 , the vortex air channel may include two, respectively a first vortex air channel 616 and a second vortex air channel 631 , wherein the air in the first vortex air channel 616 can flow into the opening 15 counterclockwise. , the air can flow clockwise to the opening 15 in the second vortex air channel 631 , thereby reducing the impact loss of the air flow.

In some embodiments of the present utility model, a cavity 5 may be defined between the housing bottom wall 16 and the base 2, and the position of the air inlet 4 corresponds to the cavity 5, wherein the vortex air duct communicates with the cavity 5, Thus, the air flows from the air inlet 4 to the cavity 5, and from the cavity 5 to the vortex air channel, thereby forming a resonant cavity structure through the cavity 5, thereby having a certain resonance and noise reduction effect. Further, a sound-absorbing material can also be provided at the air inlet 4, so that the noise can be further reduced.

Optionally, the control board 3 of the steam cleaner 100 can be arranged in the cavity 5 so that the gas entering from the air inlet 4 passes through the control board 3 first. As shown in FIG. 1 and FIG. 3 , the control board 3 is arranged in the cavity 5 and corresponds to the position of the air inlet 4 , the heat of the control board 3 is dissipated in the cavity 5 , and the air flows from the air inlet 4 to the cavity 5 , and then flow to the vortex air channel, so that the heat in the cavity 5 can be taken away to realize the heat dissipation of the control board 3, so that there is no need to add a cooling fan or separately design a cooling channel, thereby saving costs.

Further, at least one dimension of the length, width and depth of the cavity 5 can be greater than the corresponding dimension of the control main board 3, for example, the length dimension of the cavity 5 is greater than the length dimension of the control main board 3, and the depth dimension and the width dimension of the cavity 5 Both are the same as the thickness and width of the control board 3 . Thus, it is not only beneficial to the setting of the control board 3, but also facilitates the flow of air in the cavity 5 and increases the contact area between the air and the control board 3, and facilitates the heat exchange between the air and the control board 3 in the cavity 5, Improve the heat dissipation effect of the control board 3 .

Other configurations and operations of the steam cleaner 100 according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail here.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation Specific features, structures, materials or characteristics described in an embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (11)

1. a steam cleaner, it is characterised in that including:

Base, described base is provided with air inlet；

Housing, described housing is located on described base and has gas outlet in described housing sidewall, limits a plurality of eddy current air channel between described shell bottom wall and described base, and described air inlet connects with described a plurality of eddy current air duct flow-equalizing body；

Blower fan, described blower fan is located in described housing and includes motor and the heat radiation wind wheel of the motor shaft lower end being connected to described motor, described shell bottom wall has the opening that the inlet end with described heat radiation wind wheel connects, wherein said a plurality of eddy current air channel respectively with described open communication, described eddy current air channel is configured to the air that entered by described air inlet and guides to described heat radiation wind wheel so that described motor to be dispelled the heat.

2. steam cleaner according to claim 1, it is characterised in that downwardly extending out baffle assembly from described shell bottom wall, wherein said eddy current air channel is limited jointly by between described baffle assembly, described shell bottom wall and described base.

3. steam cleaner according to claim 2, it is characterised in that described eddy current air channel includes the first eddy current air channel and the second eddy current air channel, and described baffle assembly includes:

First dividing plate, described first dividing plate includes flat segments and segmental arc, described segmental arc around described opening a part arrange and and described opening between limit the runner that width is gradually reduced；

Second partition, limits straight chamber, described straight chamber and described flow passage and collectively forms described first eddy current air channel between the described flat segments of described second partition and described first dividing plate.

4. steam cleaner according to claim 3, it is characterised in that described baffle assembly also includes:

3rd dividing plate；

4th dividing plate, limits the second eddy current air channel between described 4th dividing plate and described 3rd dividing plate, described second eddy current air channel is formed as shaped form air channel.

5. steam cleaner according to claim 4, it is characterized in that, described 3rd dividing plate is connected to one end of the described opening of vicinity of described first dividing plate by cut water, and described cut water extends to described edge of opening with by spaced apart to described first eddy current air channel and described second eddy current air channel.

6. steam cleaner according to claim 4, it is characterised in that also including the 5th dividing plate surrounding a described opening part, described 5th dividing plate is connected between the end of the described opening of vicinity of described second partition and described 4th dividing plate.

7. steam cleaner according to claim 6, it is characterised in that described second partition is connected with the end away from described opening of described 4th dividing plate.

8. the steam cleaner according to any one of claim 1-7, it is characterised in that the direction that described a plurality of eddy current air channel flows into described opening is different.

9. steam cleaner according to claim 1, it is characterised in that also define cavity between described shell bottom wall and described base, described air inlet is corresponding with the position of described cavity, and wherein said eddy current air channel connects with described cavity.

10. steam cleaner according to claim 9, it is characterised in that the mainboard that controls of described steam cleaner is located in described cavity so that the gas entered from described air inlet first passes through described control mainboard.

11. steam cleaner according to claim 10, it is characterised in that at least one of the length of described cavity, width and the degree of depth is sized larger than the corresponding size of described control mainboard.