An intelligent and safe steam cleaning device

Abstract

The utility model relates to an intelligent and safe steam cleaning device, comprising a rotatably connected operating handle and a cleaning base, wherein the cleaning base is provided with a steam outlet, and is characterized in that the cleaning base is also provided with a movable support frame and a driving assembly, wherein the movable support frame comprises a plurality of legs, and the driving assembly drives the plurality of legs to move on the cleaning base; when the legs move to protrude from the lower surface of the cleaning base, the movable support frame is in a supporting position; when the legs move to above the lower surface of the cleaning base, the movable support frame is in a storage position. The utility model adds a movable support frame to the cleaning base, and the movable support frame can rotate on the cleaning base. When the user temporarily leaves, the movable support frame can be adjusted to the supporting position, so that the steam outlet on the lower surface of the cleaning base is away from the floor, thereby preventing hot steam from continuously outputting high-temperature water vapor to a certain area of ​​the floor and scalding the floor.

Description

Technical Field

[0001] The utility model relates to the field of cleaning equipment, in particular to an intelligent and safe steam cleaning device. Background Art

[0002] The working principle of a steam cleaning device is to use high-temperature, high-pressure steam to clean various surfaces, such as floors, doors, windows, and clothing. It is equipped with a steam generator inside. When used, water is guided into the steam generator and converted into steam through electric heating. The steam will then spray or flow out and act directly on the object to be cleaned, thereby effectively removing dirt, killing bacteria and removing tiny dust, achieving a comprehensive and efficient cleaning and sterilization effect.

[0003] Common devices such as steam mops heat the water in the water tank to a high temperature (usually between 100°C and 150°C) to generate steam, which is then sprayed from the bottom of the mop head to dissolve and remove dirt on the floor. Compared to ordinary mops, steam mops have a high-temperature sterilization function and a better cleaning effect, but you need to pay attention to the high temperature of the bottom of the mop head during use. On weekdays, if people have other things to deal with temporarily while cleaning the floor, they will habitually put the mop aside, and the mop surface is still in contact with the floor. However, if you still put the mop aside and leave it when using a steam mop, the high-temperature mop will continue to spray high-temperature steam on a certain area of ​​the floor, resulting in the risk of scalding the floor.

[0004] Based on this, when using a steam mop, if the user needs to handle other matters midway, they can only turn off the steam function first, or adjust the steam volume to a small enough level to lower the temperature to prevent unnecessary damage when the steam mop is unattended. After the temporary matters are handled, the steam mop is adjusted back to a high level. At this time, it is necessary to wait for a while to restore the steam volume and steam temperature before continuing the cleaning operation. It can be seen that this not only requires users to enhance their awareness of safe use, but also wastes time during the waiting process, reducing cleaning efficiency.

[0005] The above problems are worth solving. Utility Model Content

[0006] In order to overcome the problem that the existing steam cleaning device cannot adjust the distance from the steam surface to the floor when the user temporarily leaves, resulting in the risk of high-temperature steam scalding the floor, the utility model provides an intelligent and safe steam cleaning device.

[0007] The technical solution of the utility model is as follows:

[0008] An intelligent and safe steam cleaning device comprises a rotatably connected operating handle and a cleaning base, wherein the cleaning base is provided with a steam outlet, and is characterized in that the cleaning base is also provided with a movable support frame and a driving assembly, wherein the movable support frame comprises a plurality of legs, and the driving assembly drives the plurality of legs to move on the cleaning base; when the legs move to protrude from the lower surface of the cleaning base, the movable support frame is in a supporting position; when the legs move to above the lower surface of the cleaning base, the movable support frame is in a storage position.

[0009] By adopting the above technical solution, when the intelligent and safe steam cleaning device is powered on, the hot steam generated by the steam generator is ejected from the steam outlet on the lower surface of the cleaning base, and the driving assembly drives the support legs to rotate, and the support legs rotate to above the lower surface of the cleaning base for storage, and the movable support frame switches to the storage position, and the lower surface of the cleaning base contacts the floor, and hot steam is sprayed on the floor at a close distance; the driving assembly drives the support legs to rotate, and the support legs rotate to protrude from the lower surface of the cleaning base, and the movable support frame switches to the supporting position, the cleaning base is lifted away from the floor, and the steam outlet is away from the floor.

[0010] The utility model according to the above scheme is characterized in that the operating handle is provided with a sensing device, the sensing device is used to sense human hands, and the sensing device is electrically connected to the control main board; when the sensing device senses human hands, the movable support frame is in the storage position; when the sensing device does not sense human hands, the movable support frame is in the supporting position.

[0011] By adopting the above technical solution, when the user holds the operating handle, the sensing device senses the human hand and sends a signal to the control main board, the control main board controls the driving component, and the driving component drives the movable support frame to switch to the storage position; when the user releases the operating handle, the sensing device does not sense the human hand and sends a signal to the control main board, the control main board controls the driving component, and the driving component drives the movable support frame to switch to the supporting position.

[0012] The utility model according to the above scheme is characterized in that the movable support frame includes two groups of supporting feet symmetrically arranged on both sides of the cleaning base, and the driving assembly synchronously drives the two groups of supporting feet to rotate through a gear set.

[0013] Furthermore, the inner edge of the cleaning base is equipped with a rotating shaft for each group of the supporting legs, and the rotating shaft is transmission-connected to the gear set; each group of the supporting legs includes a left supporting leg and a right supporting leg, and the left supporting leg and the right supporting leg of the same group are respectively connected to the same rotating shaft and rotate synchronously.

[0014] By adopting the above technical solution, the two groups of feet on the front and rear sides of the cleaning base and the feet on the left and right sides of each group of feet together form a multi-leg balancing structure in four directions of the cleaning base, and the multiple feet rotate synchronously, so that the cleaning base can be smoothly raised away from the floor or lowered close to the floor.

[0015] Furthermore, the support leg includes a vertically connected rotating part and a supporting part, one end of the rotating part passes downward through the cleaning base shell and is connected to the rotating shaft, and the supporting part is connected to the other end of the rotating part and swings on the upper side of the cleaning base shell.

[0016] By adopting the above technical solution, when the driving component is running, the gear group is driven to rotate, the gear group drives the rotating shaft to rotate, the rotating part of the support foot rotates with the rotating shaft, driving the support part to swing around the axis of the rotating shaft, and the swinging trajectory is from the upper side to the outer side of the cleaning base.

[0017] Furthermore, when the movable support frame is in the supporting position, the supporting portion is located outside the cleaning base and protrudes downward from the lower surface of the cleaning base; when the movable support frame is in the storage position, the supporting portion is located above the cleaning base.

[0018] Furthermore, the support portion is provided with a flat end surface for abutting against the floor, and the support portion is also provided with rounded corners on both sides of the flat end surface perpendicular to the direction of the rotation axis.

[0019] By adopting the above technical solution, when the movable support frame is converted from the storage position to the supporting position, the support part rotates around the rotation axis from the inside to the outside first, until the rounded corner on one side of the flat end surface contacts the floor before the flat end surface, and the support part then rotates from top to bottom. During the rotation, the rounded corner is close to the floor until the support part is perpendicular to the floor, and the flat end surface is horizontal and abuts the floor.

[0020] The utility model according to the above scheme is characterized in that the driving component is a motor, and the two ends of the rotation range of the motor are respectively the first limit position and the second limit position of the motor, and when the motor rotates to the first limit position, the movable support frame is in the supporting position; when the motor rotates to the second limit position, the movable support frame is in the storage position.

[0021] By adopting the above technical solution, the control main board drives the motor to rotate forward or reverse according to the sensing signal. When the motor rotates forward to the first limit position of its rotation stroke, the support legs of the movable support frame lift the cleaning base; when the motor reverses to the second limit position of its rotation stroke, the support legs of the movable support frame are stored above the cleaning base.

[0022] The utility model according to the above scheme is characterized in that a leg storage groove is provided on the upper surface of the shell of the cleaning base, and the leg is placed in the leg storage groove after being rotated to the top of the cleaning base; two left legs of different groups are placed in the leg storage groove on the left side, and two right legs of different groups are placed in the leg storage groove on the right side.

[0023] By adopting the above technical solution, when the movable support frame is in the storage position, the rotating part of the support leg is horizontally placed in the support leg storage groove, and the supporting part of the support leg is vertically facing upward; the two groups of support legs share two support leg storage grooves, specifically, the supporting parts of the support legs on the same side of different groups of support legs are close to and located in the middle position of the support leg storage grooves.

[0024] The utility model according to the above scheme is characterized in that the support leg is a telescopic support leg. When the telescopic support leg is extended to protrude from the lower surface of the cleaning base, the movable support frame is in the supporting position; when the telescopic support leg is retracted to above the lower surface of the cleaning base, the movable support frame is in the storage position.

[0025] The utility model according to the above scheme is characterized in that the operating handle is provided with a mechanical switch, which is used to trigger a first command signal so that the movable support frame switches to the supporting position, and the mechanical switch is also used to trigger a second command signal so that the movable support frame switches to the storage position.

[0026] The utility model according to the above scheme has the following beneficial effects:

[0027] The utility model adds a movable support frame on the cleaning base, and the movable support frame can rotate on the cleaning base. When the user temporarily leaves, the movable support frame can be adjusted to a supporting position so that the steam outlet on the lower surface of the cleaning base is away from the floor, thereby preventing the hot steam from continuously outputting high-temperature water vapor to a certain area of ​​the floor and scalding the floor.

[0028] Furthermore, the utility model sets a sensing device on the operating handle, uses the sensing device to determine whether the user is holding the operating handle, and can automatically control the movable support frame to raise the cleaning base in time when no one is operating the handle;

[0029] Furthermore, when the movable support frame switches between the storage position and the support position, the support feet will never interfere with the cleaning cloth on the lower surface of the cleaning base, ensuring that the cleaning cloth is flat and can fit the floor well, maintaining a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model;

[0031] Figure 2It is a schematic diagram of the cleaning base structure with the movable support frame in the supporting position;

[0032] Figure 3 It is a schematic diagram of the cleaning base structure with the movable support frame in the storage position;

[0033] Figure 4 A schematic diagram of the bottom of the cleaning base hiding the cleaning cloth and the bottom shell plate.

[0034] In the figure,

[0035] 1. Cleaning base; 11. Motor; 12. Gear set; 13. Steam outlet; 14. Foot storage slot;

[0036] 2. Operating handle; 21. Sensing device;

[0037] 3. Supporting foot; 301. Rotating part; 302. Supporting part; 31. Left supporting foot; 32. Right supporting foot; 33. Rotating shaft; 34. Flat end surface; 35. Rounded corner. DETAILED DESCRIPTION

[0038] In order to better understand the purpose, technical solution and technical effect of the utility model, the utility model is further explained in conjunction with the drawings and embodiments below. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, it is stated that the embodiments described below are only used to explain the utility model and are not used to limit the utility model.

[0039] It should be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may also be a central element, and when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time.

[0040] The indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when used, or the orientation or position relationship commonly understood by technical personnel in this field, or the orientation or position relationship in which the product of the application is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0041] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. "Several" means two or more, unless otherwise clearly and specifically defined.

[0042] Embodiment 1

[0043] like Figures 1 to 4 As shown, an intelligent and safe steam cleaning device comprises a cleaning base 1 and an operating handle 2. The operating handle 2 is rotatably connected to the top middle position of the cleaning base 1. An adjustable fastening mechanism can be provided at the connection to change the angle and rotation sensitivity of the operating handle 2 relative to the cleaning base 1, so that the user can select a suitable operating feel according to his or her own situation.

[0044] The lower surface of the cleaning base 1 is covered with a layer of cleaning cloth (not shown in the figure), and the cleaning cloth is detachably connected to the cleaning base 1, so that the cleaning cloth can be disassembled and replaced. After removing the bottom shell plate of the cleaning base 1, it can be seen that a steam generator and a motor 11 are provided inside the cleaning base 1. The driving assembly includes the motor 11 and the gear set 12. The steam generator is connected to the water tank inside the device. When the steam generator is heated to a preset temperature, liquid water can be vaporized into hot steam and sprayed out from the steam outlet 13 of the bottom shell plate. The output shaft of the motor 11 is connected to one of the gears of the gear set 12, driving the gears of the gear set 12 that are meshed with each other to rotate synchronously. The gear set 12 is a symmetrical structure, and the gears on the left are connected to the support leg 3 on the left, and the gears on the right are connected to the support leg 3 on the right.

[0045] A water tank is provided inside the bottom of the operating handle 2 so that the water tank is close to the cleaning base 1 to reduce the length of the water delivery pipe. Accordingly, a water inlet connected to the water tank is provided at the bottom of the shell of the operating handle 2. A sensing device 21 is provided at the top of the operating handle 2. The sensing device 21 is used to sense human hands, and the sensing device 21 is electrically connected to the control motherboard inside the device. When the user holds the operating handle 2, the sensing device 21 senses the human hand and can send a signal to the MCU on the control motherboard; when the user releases the operating handle 2, the sensing device 21 sends a signal to the MCU that no human hand is detected.

[0046] In the present invention, the cleaning base 1 is provided with a movable support frame, which is movably connected to the cleaning base 1 and can be moved to protrude from the lower surface of the cleaning base 1 or to the upper part of the cleaning base 1. It can be seen that the movable support frame can be switched between the supporting position and the storage position relative to the cleaning base 1. When the sensing device 21 senses a human hand, the movable support frame is in the storage position; when the sensing device 21 does not sense a human hand, the movable support frame is in the supporting position and protrudes from the lower surface of the cleaning base 1.

[0047] When the intelligent and safe steam cleaning device of the utility model is used, it is first ensured that a certain amount of water is stored in the water tank, the power on the operating handle is turned on, the device is powered on, the steam generator starts to heat, and after reaching the preset temperature, the hot steam is ejected from the steam outlet of the cleaning base; the user holds the operating handle, the sensing device on the operating handle obtains a first signal, sends a first signal to the MCU of the control mainboard, drives the motor to operate, thereby controlling the movable support frame to switch to the storage position, at this time the lower surface of the cleaning base is the lowest point of the device, the lower surface of the cleaning base can contact the floor, the hot steam is sprayed against the floor, and the floor obtains greater heat; the user's hand is separated from the operating handle, the sensing device fails to sense the human hand, sends a second signal to the MCU of the control mainboard, drives the motor to operate in the opposite direction, thereby controlling the movable support frame to switch to the supporting position, at this time the movable support frame protrudes from the lower surface of the cleaning base, the end of the support leg 3 is the lowest point of the device, the cleaning base is raised, so that there is a large space between the cleaning base and the floor, and it circulates with the external air, the hot steam is dispersed to the surroundings, the steam density becomes thinner and the heat is quickly dissipated, and the temperature of the part of the hot steam that reaches the floor has been greatly reduced.

[0048] It can be seen that the utility model adds a movable support frame on the cleaning base, and the movable support frame is controlled by a motor and can rotate on the cleaning base. When the user temporarily leaves, the movable support frame can be adjusted to a supporting position so that the steam outlet on the lower surface of the cleaning base is away from the floor, thereby preventing hot steam from continuously outputting high-temperature water vapor to a certain area of ​​the floor and scalding the floor.

[0049] On this basis, the utility model has also developed a more intelligent steam cleaning device, in which a sensing device is arranged on the operating handle, which uses the sensing device to determine whether the user is holding the operating handle, and can automatically control the movable support frame to raise the cleaning base in time when no one is operating the handle.

[0050] In this embodiment, the movable support frame includes two groups of legs 3 symmetrically arranged on both sides of the cleaning base 1. The motor 11 is electrically connected to the control main board and receives the driving signal of the MCU on the control main board. The motor 11 can rotate forward or reverse, thereby driving the two groups of legs 3 to rotate synchronously through the gear set 12. The two ends of the rotation stroke of the motor 11 are the first limit position and the second limit position of the motor 11, respectively. When the motor 11 rotates to the first limit position, the movable support frame is in the supporting position. At this time, the two groups of legs 3 rotate to protrude from the lower surface of the cleaning base 1 to lift the cleaning base 1; when the motor 11 rotates to the second limit position, the movable support frame is in the storage position. At this time, the two groups of legs 3 rotate to the top of the cleaning base 1 for storage.

[0051] like Figure 2As shown, the two groups of legs 3 at least include a left leg 31 and a right leg 32, and the left leg 31 and the right leg 32 are respectively connected to the same shaft 33 and rotate synchronously. Figure 2 For example, the side of the cleaning base 1 away from the user is defined as the first group of legs, and the side close to the user is defined as the second group of legs. The first group of legs has a left leg 31 and a right leg 32. The left leg 31 of the first group of legs is located at the left front side of the cleaning base 1, and the right leg 32 is located at the right front side of the cleaning base 1. Similarly, the second group of legs also has a left leg 31 and a right leg 32. The left leg 31 of the second group of legs is located at the left rear side of the cleaning base 1, and the right leg 32 is located at the right rear side of the cleaning base 1. The two groups of legs form a multi-leg balancing structure with four legs at four positions of the cleaning base 1.

[0052] like Figure 4 As shown, since each set of legs 3 is equipped with a rotating shaft 33, and the two rotating shafts 33 are both connected to the motor 11, when the motor 11 rotates, the four legs rotate synchronously, so that the cleaning base 1 can rise or fall smoothly. Therefore, when the movable support frame is switched between the storage position and the supporting position, the lower surface of the cleaning base 1 always remains parallel to the floor.

[0053] In other optional embodiments, the number of legs in each group can be one. In the structure of a single leg on one side, the leg needs to be set in the middle position of the side of the cleaning base, and the length of the leg is longer to ensure that the cleaning base can be lifted smoothly with one leg on each side.

[0054] In this embodiment, each rotating shaft 33 is provided with a transmission wheel, and the transmission wheel is meshed and connected with the gear set 12, so as to realize transmission connection with the motor 11. The two rotating shafts 33 on both sides rotate in opposite directions. For example, if the rotating shafts 33 of the first group of legs rotate clockwise, the rotating shafts 33 of the second group of legs rotate counterclockwise; if the rotating shafts 33 of the first group of legs rotate counterclockwise, the rotating shafts 33 of the second group of legs rotate clockwise, so that the two groups of legs symmetrically arranged on both sides of the cleaning base 1 can be simultaneously rotated inward to be stored above the cleaning base 1, or simultaneously rotated outward to open the legs of the cleaning base 1.

[0055] The support leg 3 is an L-shaped structure, which includes a vertically connected rotating part 301 and a supporting part 302. One end of the rotating part 301 passes downward through the shell of the cleaning base 1 and is connected to the rotating shaft 33. The supporting part 302 is connected to the other end of the rotating part 301, and the rotating shaft 33 is set at the inner edge of the cleaning base 1. The rotating shaft 33 rotates and swings the rotating part 301, and the rotating part 301 is the movement radius. The supporting part 302 rotates around the axis of the rotating shaft 33. The moving track of the supporting part 302 is a semicircle, and it swings on the upper side of the cleaning base 1. When the movable support frame is in the supporting position, the rotating part 301 faces the outside of the cleaning base 1, and the supporting part 302 is located on the outside of the cleaning base 1 and protrudes downward from the lower surface of the cleaning base 1; when the movable support frame is in the storage position, the rotating part 301 faces the inside of the cleaning base 1, and the supporting part 302 is located above the cleaning base 1.

[0056] It can be seen that during the switching of the movable support frame between the storage position and the support position, the support foot 3 will never interfere with the cleaning cloth on the lower surface of the cleaning base, ensuring that the cleaning cloth is flat and can fit the floor well, maintaining a good cleaning effect.

[0057] In this embodiment, the support portion 302 is provided with a flat end surface 34 for abutting the floor, and the support portion 302 is also provided with rounded corners 35 on both sides of the flat end surface 34 perpendicular to the rotation axis 33. The rounded corner structure is arranged on the side of the swinging direction of the support portion 302. When the movable support foot is switched to the supporting position, the rounded corner 35 contacts the floor before the flat end surface 34. During the rotation of the support foot 3, the rounded corner 35 provides a transition arc surface between the support foot and the floor. Specifically, the support portion 302 rotates from the inside to the outside around the rotation axis 33 until the rounded corner 35 on one side of the flat end surface 34 contacts the floor; then, the support portion 302 rotates from top to bottom, and the transition arc surface of the rounded corner 35 is close to the floor until the support portion 302 is perpendicular to the floor. At this time, the flat end surface 34 is parallel to the floor and abuts against the floor, and the cleaning base 1 is lifted.

[0058] In this embodiment, a leg storage groove 14 is provided on the upper surface of the shell of the cleaning base 1. The leg 3 is rotated to the top of the cleaning base 1 and then placed in the leg storage groove 14, so that the cleaning base 1 of the device has a compact structure, which is convenient for users to use the device to perform cleaning work. A leg storage groove 14 is provided on the left and right sides of the cleaning base 1. The left leg 31 of the first group of legs and the left leg 31 of the second group of legs are both stored in the leg storage groove 14 on the left side, and the rotating parts 301 of the two left legs 31 are horizontally placed in the groove, and the supporting parts 302 of the two left legs 31 are vertically upward and are adjacent to each other in the middle position of the groove; similarly, the right leg 32 of the first group of legs and the right leg 32 of the second group of legs are both stored in the leg storage groove 14 on the right side.

[0059] Embodiment 2

[0060] An intelligent and safe steam cleaning device comprises a cleaning base 1 and an operating handle 2. Compared with the first embodiment, the present embodiment is different in that: a mechanical switch is arranged on the operating handle 2, and the mechanical switch enables the user to trigger a first command signal or a second command signal by pressing, and sends a signal to a control main board. The control main board drives a motor to control the rotation of a support leg according to different command signals. When the first command signal is triggered, the motor drives the support leg to rotate to protrude from the lower surface of the cleaning base; when the second command signal is triggered, the motor drives the support leg to rotate above the lower surface of the cleaning base, such as above the cleaning base shell; thereby switching between a supporting position and a storage position.

[0061] Embodiment 3

[0062] An intelligent and safe steam cleaning device includes a cleaning base 1 and an operating handle 2. Compared with the first embodiment, the present embodiment is different in that: the operating handle 2 is provided with a Bluetooth signal module, and the Bluetooth signal module is used to receive Bluetooth signals. The user uses a mobile phone or a tablet to send a first command signal to the Bluetooth signal module, and the control mainboard drives the motor to rotate after receiving the signal, thereby controlling the movable support frame to switch to the supporting position. The mobile phone or the tablet sends a second command signal to the Bluetooth signal module to control the movable support frame to switch to the storage position. In other optional embodiments, the Bluetooth signal module can also be replaced with an infrared signal module, and the infrared signal module is used to receive infrared signals. The user uses an infrared remote control to send a first command signal or a second command signal to the infrared signal module to control the movable support frame to switch between the supporting position and the storage position.

[0063] Embodiment 4

[0064] An intelligent and safe steam cleaning device comprises a cleaning base 1 and an operating handle 2. Compared with the first embodiment, the present embodiment is different in that: the legs are telescopic legs, and a plurality of telescopic legs are provided with independent telescopic drive motors. The telescopic drive motors are connected to a control mainboard to control the extension or shortening of the telescopic legs. When the telescopic legs are extended to protrude from the lower surface of the cleaning base, the lower surface of the cleaning base can be lifted away from the bottom surface, that is, a movable support frame is in a supporting position; when the telescopic legs are retracted to above the lower surface of the cleaning base, that is, the movable support frame is in a storage position, the lower surface of the cleaning base can fit the floor.

[0065] In this embodiment, the connection end of the telescopic support leg can be connected to the top or side of the shell of the cleaning base using a fixed bracket, avoiding the lower surface of the shell of the cleaning base, ensuring that the telescopic support leg will not be interfered by the mop when extended.

[0066] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0067] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An intelligent and safe steam cleaning device, comprising a rotatably connected operating handle and a cleaning base, wherein the cleaning base is provided with a steam outlet, characterized in that: The cleaning base is also provided with a movable support frame and a driving assembly, wherein the movable support frame includes a plurality of legs, and the driving assembly drives the plurality of legs to move on the cleaning base; when the legs move to protrude from the lower surface of the cleaning base, the movable support frame is in a supporting position and raises the cleaning base so that the steam outlet is away from the floor; When the supporting legs move to above the lower surface of the cleaning base, the movable support frame is in the storage position, and the cleaning base is lowered so that the steam outlet is in contact with the floor.

2. The intelligent safe steam cleaning device according to claim 1, characterized in that: The operating handle is provided with a sensing device, which is used to sense a human hand, and the sensing device and the driving component are electrically connected to the control mainboard of the device; When the sensing device senses a human hand, the movable support frame is in the storage position; when the sensing device does not sense a human hand, the movable support frame is in the supporting position.

3. The intelligent and safe steam cleaning device according to claim 1, characterized in that: The movable support frame comprises two groups of supporting feet symmetrically arranged on both sides of the cleaning base, and the driving assembly synchronously drives the two groups of supporting feet to rotate through a gear set.

4. The intelligent safe steam cleaning device according to claim 3, characterized in that: The inner edge of the cleaning base is matched with each group of the supporting legs and is provided with a rotating shaft, and the rotating shaft is transmission-connected with the gear set; each group of the supporting legs includes a left supporting leg and a right supporting leg, and the left supporting leg and the right supporting leg of the same group are respectively connected to the same rotating shaft and rotate synchronously.

5. The intelligent and safe steam cleaning device according to claim 4, characterized in that: The support leg includes a vertically connected rotating part and a supporting part, one end of the rotating part passes downward through the cleaning base shell and is connected to the rotating shaft, and the supporting part is connected to the other end of the rotating part and swings on the upper side of the cleaning base shell.

6. The intelligent safe steam cleaning device according to claim 5, characterized in that: When the movable support frame is in the supporting position, the supporting portion is located outside the cleaning base and protrudes downward from the lower surface of the cleaning base; when the movable support frame is in the storage position, the supporting portion is located above the cleaning base.

7. The intelligent safe steam cleaning device according to claim 6, characterized in that: The support portion is provided with a flat end surface for abutting against the floor, and the support portion is also provided with rounded corners on both sides of the flat end surface which are perpendicular to the direction of the rotation axis.

8. The intelligent safe steam cleaning device according to claim 1, characterized in that: A support foot receiving groove is provided on the upper surface of the shell of the cleaning base, and the support foot is rotated to the top of the cleaning base and then placed in the support foot receiving groove; Two left legs of different groups are placed in the leg receiving groove on the left side, and two right legs of different groups are placed in the leg receiving groove on the right side.

9. The intelligent safe steam cleaning device according to claim 1, characterized in that: The supporting legs are telescopic supporting legs, and when the telescopic supporting legs are extended to protrude from the lower surface of the cleaning base, the movable supporting frame is at the supporting position; When the telescopic legs are retracted to above the lower surface of the cleaning base, the movable support frame is in the storage position.

10. The intelligent safe steam cleaning device according to claim 1, characterized in that: The operating handle is provided with a mechanical switch, and the mechanical switch is used to trigger a first command signal so that the movable support frame switches to the supporting position, and the mechanical switch is also used to trigger a second command signal so that the movable support frame switches to the storage position.

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