Self-heating floor washing assembly

Abstract

A self-heating floor cleaning assembly comprises a handle and a cleaning part arranged at one end of the handle, the handle is provided with a water tank, one side of the cleaning part is provided with a cavity, and the other side is provided with a mop and washing assembly, characterized in that: a self-heating steam generating assembly with a closed reaction chamber is arranged in the cavity of the cleaning part, and the self-heating steam generating assembly further comprises a cold water conveying channel, a steam conveying channel and a steam outlet arranged near the position of the roller brush, the outlet of the water tank is connected with the self-heating steam generating assembly through the cold water conveying channel, one end of the steam conveying channel is connected with the steam area in the self-heating steam generating assembly, and the other end is connected with the steam outlet for spraying steam to the mop and washing assembly and / or the surface to be cleaned. The self-heating floor cleaning assembly is simple and compact in structure, and steam can be obtained as a cleaning medium without the need for electric energy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning equipment, in particular to a self-heating floor cleaning assembly. BACKGROUND

[0002] At present, there is a floor cleaning assembly using steam as cleaning medium, for example, the Chinese utility model patent with the authorization announcement number CN210931198U, its structure is shown in the figure Figures 1-3 , which includes a cleaning base 1a and a holding part 2a, the holding part 2a is provided with a water tank 3a, the cleaning base 1a is provided with a pumping device 4a, the water inlet 5a of the pumping device 4a is communicated with the water tank 3a, the water outlet 6a of the pumping device 4a is connected with a heating device 7a, the heating device 7a includes a shell and a ceramic heating component arranged in the heating cavity formed by the shell, the heating cavity is provided with a liquid inlet 8a communicated with the water outlet 6a of the pumping device 4a, and the heating cavity is also provided with a steam outlet 9a; the bottom of the cleaning base 1a is provided with a steam nozzle 10a, the steam nozzle 10a is communicated with the steam outlet 9a; the holding part 2a is also provided with a battery, the steam nozzle 10a is provided with a first temperature sensor, and the battery is provided with a control circuit board electrically connected with the temperature sensor. The ceramic sheet is used to heat the cleaning liquid to make it vaporize, and the temperature sensor is arranged at the steam outlet 9a, when the temperature at the steam outlet 9a reaches the preset value, the power of the heating device is turned off or reduced, so that the power consumption of the steam floor cleaning assembly is greatly reduced, and the product use experience is improved because the built-in power supply is provided and the power supply line is freed from the traditional steam floor cleaning assembly; however, the ceramic sheet is used to heat the cleaning liquid, which needs to be powered by the built-in power supply, which is not conducive to energy saving and consumption reduction, and the built-in power supply is large in size and heavy in weight, so the overall structure is relatively bulky.

[0003] The emergence of the self-heating steam generating assembly can solve the above technical problems existing in the existing floor cleaning assembly. For example, the Chinese invention patent application with the authorization announcement number CN110811413A discloses a steam mop dust collector, which includes a self-heating steam generating assembly, the structure of the self-heating steam generating assembly is shown in the figure Figure 4 , which includes a water tank 1b and a cover 2b, the water tank 1b is placed with a heating bag and water, one side of the water tank 1b is provided with a steam outlet pipe 3b, and the steam outlet pipe 3b uniformly guides the steam into the mop. The self-heating steam generating assembly does not need electric energy, but uses the reaction of the heating bag and water to generate steam, so that the heated cleaning medium can be obtained.

[0004] However, the self-heating steam generating assembly has not been applied to the floor cleaning assembly to obtain steam as a cleaning medium, and therefore, how to set a reasonable structure to design the self-heating steam generating assembly into the floor cleaning assembly to obtain steam as a cleaning medium is a technical problem to be solved at present. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a self-heating floor cleaning assembly with a simple and compact structure and capable of obtaining steam as a cleaning medium without electric energy.

[0006] The technical solution of the present application is a self-heating floor cleaning assembly, comprising a holding part and a cleaning part arranged at one end of the holding part, wherein a water tank is arranged on the holding part, one side of the cleaning part is provided with a cavity, and the other side is provided with a mop cleaning assembly, characterized in that a self-heating steam generating assembly with a closed reaction chamber is arranged in the cavity of the cleaning part, and the self-heating floor cleaning assembly further comprises a cold water conveying channel, a steam conveying channel, and a steam outlet arranged near the position of the mop brush, wherein the liquid outlet of the water tank is connected in communication with the self-heating steam generating assembly through the cold water conveying channel, for providing reaction fluid for the self-heating steam generating assembly, one end of the steam conveying channel is connected in communication with the steam area in the self-heating steam generating assembly, and the other end is connected in communication with the steam outlet, for spraying steam to the mop cleaning assembly and / or the surface to be cleaned.

[0007] The self-heating steam generating assembly with a closed reaction chamber refers to that the whole self-heating steam generating assembly is in a closed chamber, and the fluid active material and the fluid are subjected to exothermic reaction in the closed chamber, and the closed state is a sealed or nearly sealed state.

[0008] After the above structure is adopted, the self-heating floor cleaning assembly has the following advantages:

[0009] The self-heating floor cleaning assembly utilizes the self-heating steam generating assembly to generate hot steam, which is sprayed out through the steam outlet as a cleaning medium, and the whole hot cleaning medium is generated without electric energy, but through chemical reaction of the reaction fluid in the water tank and the self-heating steam generating assembly, which is more energy-saving and power-saving; secondly, the self-heating steam generating assembly is integrated in the cavity of the cleaning part, which can well hide the self-heating steam generating assembly, so that the structure is simple and compact; finally, the self-heating steam generating assembly is arranged near the mop cleaning assembly, which can conveniently convey the hot cleaning medium to the mop cleaning assembly and / or the surface to be cleaned, and further simplifies the structure.

[0010] As preferred, the self-heating steam generating assembly comprises a self-heating container and a heating bag feeding port arranged on the self-heating container, the self-heating container is embedded in the top of the cavity of the cleaning part, and the heating bag feeding port is arranged on the top of the self-heating container. This arrangement can facilitate the arrangement of the heating bag feeding port on the top, and facilitate the feeding of the heating bag.

[0011] As preferred, a heating bag feeding bin for feeding and taking the heating bag is arranged at the heating bag feeding port, and the heating bag feeding bin is further provided with a first through hole communicating with the inner cavity of the self-heating container. The arrangement of the heating bag feeding bin can prevent the heating bag from falling into the water at will, and can better control the heat release reaction and facilitate the feeding and taking of the heating bag.

[0012] As preferred, the heating bag feeding bin is movably connected with the heating bag feeding port, and the heating bag feeding bin is further provided with a second through hole for feeding and taking the heating bag after being moved upward. This arrangement can facilitate the feeding and taking of the heating bag through the second through hole after the heating bag feeding bin is moved upward when the heat release reaction needs to be stopped.

[0013] As preferred, an automatic ejection structure is arranged between the heating bag feeding port and the heating bag feeding bin, for automatically ejecting the heating bag feeding bin when the heating bag feeding bin is pressed and automatically retracting when being pressed again. The arrangement of the automatic ejection structure can facilitate the upward and downward movement of the heating bag feeding bin by pressing the heating bag feeding bin, and the operation is more convenient and labor-saving.

[0014] As preferred, the cleaning part comprises an upper cover and a lower cover, the mop and washing assembly comprises a rolling brush, the upper cover is covered on the lower cover, one side of the upper cover forms a cavity, and the other side of the upper cover forms a U-shaped frame, and both ends of the rolling brush are rotatably installed on both sides of the U-shaped frame. This arrangement has a reasonable layout, can facilitate the installation of the mop and washing assembly, and facilitate the installation of the self-heating steam generating assembly in the cavity.

[0015] As preferred, the upper cover is further provided with a protective cover for covering above the rolling brush, and the steam outlet is arranged on the protective cover and located close to the rolling brush. The arrangement of the protective cover can not only protect and hide the rolling brush, but also facilitate the arrangement of the steam outlet.

[0016] As preferred, the top of the heating bag feeding bin is protruded above the cleaning part, and the side of the protective cover close to the heating bag feeding bin is sleeved on the part of the heating bag feeding bin protruded outside the cleaning part. The arrangement of the heating bag feeding bin protruded from the cleaning part can facilitate the feeding and taking of the heating bag, and facilitate the installation of the protective cover.

[0017] As preferred, the cold water conveying channel is arranged inside the cleaning part. This arrangement can hide the cold water conveying channel inside the cleaning part.

[0018] As preferred, the cold water delivery channel comprises a cold water pipe, a first adapter, a second adapter, a first pipe, a second pipe and a cold water inlet, the first adapter is arranged on the upper cover and one end is located on the inner side of the upper cover and the other end extends into the U-shaped frame of the cleaning part, the second adapter is arranged on the inner side of the protective cover, the first pipe is located in the cavity of the cleaning part, the second pipe is arranged in the interior of the protective cover, the cold water inlet is arranged on the heating bag feeding bin and located on the side wall sleeved with the protective cover, one end of the cold water pipe is communicated with the water outlet of the water tank and the other end extends into the cavity of the cleaning part, the end of the cold water pipe extending into the cavity is communicated with the end of the first adapter located on the inner side through the first pipe, one end of the second adapter is butted with the end of the first adapter extending into the U-shaped frame and the other end is butted with the cold water inlet of the heating bag feeding bin through the second pipe. This arrangement hides the cold water delivery channel in the interior of the cleaning part and the cold water delivery channel has simple and compact structure.

[0019] As preferred, a pump arranged in the cavity of the cleaning part is further included, and the pump is arranged on the first pipe. This arrangement can control the fluid reacting with the self-heating steam generating assembly, so that the exothermic reaction is controllable, and the pump is also installed in the cavity of the cleaning part, so that the structure is more simple and compact.

[0020] As preferred, the steam delivery channel is arranged in the interior of the cleaning part. This arrangement hides the steam delivery channel in the interior of the cleaning part.

[0021] As preferred, the steam delivery channel comprises a third pipe, a fourth pipe, a first opening and a second opening, the third pipe is arranged in the heating bag feeding bin, the fourth pipe is arranged in the protective cover, the first opening and the second opening are arranged on the two sleeved surfaces of the heating bag feeding bin and the protective cover respectively, one end of the third pipe is communicated with the steam area of the heating bag feeding bin and the other end is communicated with the first opening, the second opening is butted with the first opening, one end of the fourth pipe is communicated with the second opening and the other end is communicated with the steam outlet of the protective cover. This arrangement hides the steam delivery channel in the interior of the cleaning part and the steam delivery channel has simple and compact structure.

[0022] As preferred, a steam check valve arranged on the steam delivery channel is further included. This arrangement makes the output of the heat cleaning medium generated by the exothermic reaction controllable, so that the cleaning efficiency and effect can be improved and the use is safer.

[0023] As preferred, the third pipe is vertically arranged, the first opening is vertically crossed with the third pipe, the steam one-way valve comprises a floating ball and a compression spring arranged above the floating ball, the floating ball is arranged at the crossing of the third pipe and the first opening, and the third pipe is provided with upper and lower limiting devices for positioning the opening and closing positions of the floating ball, one end of the compression spring is abutted with the upper limiting device, and the other end is abutted with the floating ball, for sinking the floating ball to close the first opening when the internal steam pressure is insufficient, and for moving the floating ball upward to open the first opening when the internal steam pressure reaches a set value. The arrangement makes the steam one-way valve simple in structure and reliable in work.

[0024] As preferred, the first opening is strip-shaped, and the length of the first opening is greater than the diameter of the third pipe, and the shape of the second opening matches the shape of the first opening. The arrangement can make the delivery efficiency of the hot steam higher.

[0025] As preferred, the bottom of the protective cover is provided with a U-shaped groove for accommodating the rolling brush, and the steam outlet is arranged at the bottom of the front side wall or the bottom of the rear side wall of the U-shaped groove. The arrangement of the U-shaped groove can well hide the rolling brush below the protective cover, and the structure is simple and compact, and the arrangement of the steam outlet is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of an existing floor cleaning assembly;

[0027] Figure 2 is another structural schematic view of the existing floor cleaning assembly;

[0028] Figure 3 is a structural schematic view of the existing floor cleaning assembly after hiding some parts;

[0029] Figure 4 is a structural schematic view of an existing self-heating steam generating assembly;

[0030] Figure 5 is a structural schematic view of the self-heating floor cleaning assembly of the present application;

[0031] Figure 6 is a structural schematic view mainly showing the cleaning part;

[0032] Figure 7 is an exploded schematic view of Figure 6 ;

[0033] Figure 8 is another exploded schematic view of Figure 6 ;

[0034] Figure 9 is a structural schematic view mainly showing the cold water delivery channel;

[0035] Figure 10 The main display shows the assembly diagram of the self-heating steam generator assembly;

[0036] Figure 11 This is a schematic diagram of the structure of a portion of the cold water conveying channel and a portion of the steam conveying channel inside the protective cover of the present invention;

[0037] Figure 12 The main display shows a schematic diagram of part of the steam delivery channel inside the heating pack loading chamber;

[0038] Figure 13 This is a schematic diagram of the heating pack dispensing compartment of the present invention;

[0039] Figure 14 This is another structural schematic diagram of the heating pack dispensing chamber of the present invention;

[0040] Existing technology Figures 1-3 In the middle: 1a-cleaning base, 2a-grip, 3a-water tank, 4a-pumping device, 5a-inlet of pumping device, 6a-outlet of pumping device, 7a-heating device, 8a-liquid inlet, 9a-steam outlet, 10a-steam nozzle.

[0041] Existing technology Figure 4 In the middle: 1b-water tank, 2b-tank cover, 3b-steam outlet pipe;

[0042] In the figures of this invention: 1-Holding part, 2-Cleaning part, 3-Water tank, 4-Cavity, 5-Upper cover, 6-Lower cover, 7-Heating pack, 8-Self-heating steam generator assembly, 9-U-shaped frame, 10-Protective cover, 11-Steam outlet, 12-Self-heating container, 13-Heating pack inlet, 14-Heating pack inlet chamber, 15-First through hole, 16-Second through hole, 17-Automatic pop-out structure, 18-Cold water pipe, 19-First adapter, 20-Second adapter, 21-First pipe, 22-Second pipe, 23-Third pipe, 24-Cold water inlet, 25-Pump, 26-First opening, 27-Second opening, 28-Fourth pipe, 29-Float ball, 30-Compression spring, 31-U-shaped groove, 32-Mopping assembly, 33-Water tank outlet. Detailed Implementation

[0043] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0044] Example:

[0045] like Figures 5-14As shown, a self-heating floor cleaning assembly comprises a holding part 1 and a cleaning part 2 arranged at one end of the holding part 1, the holding part 1 is provided with a water tank 3, one side of the cleaning part 2 is provided with a cavity 4, and the other side is provided with a mop cleaning assembly 32, the cleaning part 2 is provided with a self-heating steam generating assembly 8 with a closed reaction chamber in the cavity 4, and further comprises a cold water conveying channel, a steam conveying channel, and a steam outlet 11 arranged near the position of the rolling brush, the liquid outlet 33 of the water tank is connected with the self-heating steam generating assembly 8 through the cold water conveying channel, for providing reaction fluid for the self-heating steam generating assembly 8, one end of the steam conveying channel is connected with the steam area in the self-heating steam generating assembly 8, and the other end is connected with the steam outlet 11, for spraying steam to the mop cleaning assembly 32 and / or the surface to be cleaned.

[0046] The self-heating steam generating assembly 8 comprises a self-heating container 12 and a heating bag feeding port 13 arranged on the self-heating container 12, the self-heating container 12 is embedded in the top of the cavity 4 of the cleaning part 2, and the heating bag feeding port 13 is arranged on the top of the self-heating container 12; the heating bag feeding port 13 is provided with a heating bag feeding bin 14 for taking and placing the heating bag 7, the heating bag feeding bin 14 is further provided with a first through hole 15 connected with the inner cavity of the self-heating container 12; the heating bag feeding bin 14 is movably connected with the heating bag feeding port 13, and the heating bag feeding bin 14 is further provided with a second through hole 16 for taking and placing the heating bag 7 after moving upward; the automatic ejection structure 17 is arranged between the heating bag feeding port 13 and the heating bag feeding bin 14, for automatically ejecting the heating bag feeding bin 14 when pressing the heating bag feeding bin 14 and automatically retracting when pressing again, and the automatic ejection structure 17 can be obtained by using the prior art; in this embodiment, the first through hole 15 is arranged in multiple and uniformly arranged at the bottom of the heating bag feeding bin 14, and the second through hole 16 is arranged in one and arranged on the side of the heating bag feeding bin 14, of course, the second through hole 16 can also be arranged in multiple, so that the heating bag 7 can be taken and placed in different directions.

[0047] The cleaning part 2 comprises an upper cover 5 and a lower cover 6, the mop-washing assembly 32 comprises a rolling brush, the upper cover 5 is covered on the lower cover 6, one side forms a cavity 4, the other side forms a U-shaped frame 9, both ends of the rolling brush are rotatably installed on both sides of the U-shaped frame 9, a protection cover 10 for covering above the rolling brush is further arranged on the upper cover 5, the steam outlet 11 is arranged on the protection cover 10 and is located close to the rolling brush, the bottom of the protection cover 10 is provided with a U-shaped groove 31 for containing the rolling brush, in the embodiment, the steam outlet 11 is arranged one and is located at the bottom of the front side wall of the U-shaped groove 31, of course, the steam outlet 11 can also be arranged multiple, and can also be arranged at the bottom of the rear side wall of the U-shaped groove 31, the top of the heating bag placing bin 14 is protruded on the cleaning part 2, the side of the protection cover 10 close to the heating bag placing bin 14 is sleeved on the part of the heating bag placing bin 14 protruded on the cleaning part 2.

[0048] The cold water conveying channel is arranged in the cleaning part 2, comprising a cold water pipe 18, a first adapter 19, a second adapter 20, a first pipeline 21, a second pipeline 22 and a cold water inlet 24, the first adapter 19 is arranged on the upper cover 5, one end is located on the inner side of the upper cover 5, the other end is inserted into the U-shaped frame 9 of the cleaning part 2, the second adapter 20 is arranged on the inner side of the protection cover 10, the first pipeline 21 is located in the cavity 4 of the cleaning part 2, the second pipeline 22 is arranged in the protection cover 10, the cold water inlet 24 is arranged on the heating bag placing bin 14 and is located on the side wall sleeved with the protection cover 10, one end of the cold water pipe 18 is communicated with the liquid outlet 33 of the water tank, the other end is inserted into the cavity 4 of the cleaning part 2, the end of the cold water pipe 18 inserted into the cavity 4 is communicated with the inner end of the first adapter 19 through the first pipeline 21, one end of the second adapter 20 is butted with the end of the first adapter 19 inserted into the U-shaped frame 9, the other end is butted with the cold water inlet 24 of the heating bag placing bin 14 through the second pipeline 22, further comprising a pump 25 arranged in the cavity 4 of the cleaning part 2, the pump 25 is arranged on the first pipeline 21.

[0049] The steam conveying channel is also arranged in the cleaning part 2, comprising a third pipeline 23, a fourth pipeline 28, a first opening 26 and a second opening 27, the third pipeline 23 is arranged in the heating bag placing bin 14, the fourth pipeline 28 is arranged in the protection cover 10, the first opening 26 and the second opening 27 are respectively arranged on the two sleeved surfaces of the heating bag placing bin 14 and the protection cover 10, one end of the third pipeline 23 is communicated with the steam area of the heating bag placing bin 14, the other end is communicated with the first opening 26, the second opening 27 is butted with the first opening 26, one end of the fourth pipeline 28 is communicated with the second opening 27, the other end is communicated with the steam outlet 11 of the protection cover 10.

[0050] The steam one-way valve is arranged on the steam delivery channel; the third pipeline 23 is arranged vertically, the first opening 26 is arranged perpendicularly crossing the third pipeline 23, the steam one-way valve comprises a floating ball 29 and a compression spring 30 arranged above the floating ball 29, the floating ball 29 is arranged at the crossing of the third pipeline 23 and the first opening 26, and the third pipeline 23 is provided with upper and lower limiting devices for positioning the opening and closing positions of the floating ball 29, one end of the compression spring 30 abuts against the upper limiting device, and the other end abuts against the floating ball 29, for sinking the floating ball 29 to close the first opening 26 when the internal steam pressure is insufficient, and for moving the floating ball 29 upwards to open the first opening 26 when the internal steam pressure reaches a set value; the first opening 26 is in a strip shape, and the length of the first opening 26 is greater than the caliber of the third pipeline 23, and the second opening 27 is in a shape matching that of the first opening 26.

[0051] The working principle of the self-heating type floor cleaning assembly is as follows: the pump 25 is started, the fluid drawn out from the liquid outlet 33 of the water tank 3 is delivered to the cold water inlet 24 of the heating bag delivery chamber 14 as a reaction fluid through the first pipeline 21, the first adapter 19, the second adapter 20 and the second pipeline 22, the reaction fluid in the heating bag delivery chamber 14 enters the self-heating container 12 through the first through hole 15, and the reaction fluid covers the heating bag 7, and then the pump 25 stops working; the heating bag 7 in the self-heating container 12 encounters the reaction fluid to generate an exothermic reaction; the steam generated by the exothermic reaction is sequentially delivered to the steam outlet 11 of the protective cover 10 through the third pipeline 23, the first opening 26, the second opening 27 and the fourth pipeline 28 and sprayed out, the steam one-way valve arranged on the steam delivery channel is only opened when the internal pressure reaches a set value, so that the pressure of the sprayed steam is ensured, and the cleaning effect is better; when the heating bag 7 needs to be replaced or removed, the heating bag delivery chamber 14 can be automatically popped out by pressing the top of the heating bag delivery chamber 14, so that the heating bag 7 is popped up to be isolated from the reaction fluid, so that the exothermic reaction is stopped, and after being popped out, the heating bag 7 can be replaced through the second through hole 16 on the side of the heating bag delivery chamber 14, and the heating bag delivery chamber 14 is retracted downwards by pressing the top of the heating bag delivery chamber 14 again.

Claims

1. A self-heating floor cleaning assembly, comprising a grip (1) and a cleaning part (2) disposed at one end of the grip (1), wherein the grip (1) is provided with a water tank (3), and the cleaning part (2) is provided with a cavity (4) on one side and a mopping assembly (32) on the other side, characterized in that: The cleaning unit (2) has a self-heating steam generator assembly (8) with a closed reaction chamber inside its cavity (4). The mopping assembly (32) includes a roller brush, a cold water delivery channel, a steam delivery channel, and a steam outlet (11) located near the roller brush. The outlet (33) of the water tank (3) is connected to the self-heating steam generator assembly (8) through the cold water delivery channel to provide reaction fluid to the self-heating steam generator assembly (8). One end of the steam delivery channel is connected to the self-heating steam generator assembly (8). The steam zone within the hot steam generating assembly (8) is connected at one end and at the other end is connected to the steam outlet (11) for spraying steam onto the mopping assembly (32) and / or the surface to be cleaned; the self-heating steam generating assembly (8) includes a self-heating container (12) and a heating pack inlet (13) disposed on the self-heating container (12), the self-heating container (12) is embedded in the top of the cavity (4) of the cleaning section (2), and the heating pack inlet (13) is disposed on the top of the self-heating container (12). A heating pack loading chamber (14) for loading and unloading heating packs (7) is provided at the heating pack loading port (13); a protective cover (10) covering the roller brush is provided on the cleaning section (2); the steam conveying channel is located inside the cleaning section (2); the steam conveying channel includes a third pipe (23), a fourth pipe (28), a first opening (26), and a second opening (27), the third pipe (23) is located inside the heating pack loading chamber (14), and the fourth pipe (28) is located inside the protective cover (10). Inside, the first opening (26) and the second opening (27) are respectively set on the two socket surfaces of the heating pack delivery chamber (14) and the protective cover (10). One end of the third pipe (23) is connected to the steam zone of the heating pack delivery chamber (14), and the other end is connected to the first opening (26). The second opening (27) is connected to the first opening (26). One end of the fourth pipe (28) is connected to the second opening (27), and the other end is connected to the steam outlet (11) of the protective cover (10).

2. The self-heating floor cleaning assembly according to claim 1, characterized in that: The heating pack delivery compartment (14) is also provided with a first through hole (15) that communicates with the inner cavity of the self-heating container (12).

3. A self-heating floor cleaning assembly according to claim 2, characterized in that: The cleaning part (2) includes an upper cover (5) and a lower cover (6). The upper cover (5) covers the lower cover (6) and forms a cavity (4) on one side and a U-shaped frame (9) on the other side. The two ends of the roller brush are rotatably mounted on both sides of the U-shaped frame (9).

4. A self-heating floor cleaning assembly according to claim 3, characterized in that: The protective cover (10) is installed on the upper cover (5), and the steam outlet (11) is installed on the protective cover (10) and near the roller brush.

5. A self-heating floor cleaning assembly according to claim 4, characterized in that: The top of the heating pack dispensing compartment (14) protrudes above the cleaning section (2), and the protective cover (10) is fitted over the part of the heating pack dispensing compartment (14) that protrudes from the cleaning section (2) on the side near the heating pack dispensing compartment (14).

6. A self-heating floor cleaning assembly according to claim 5, characterized in that: The cold water delivery channel includes a cold water pipe (18), a first adapter (19), a second adapter (20), a first pipe (21), a second pipe (22), and a cold water inlet (24). The first adapter (19) is mounted on the upper cover (5), with one end located inside the upper cover (5) and the other end extending into the U-shaped frame (9) of the cleaning section (2). The second adapter (20) is mounted inside the protective cover (10). The first pipe (21) is located inside the cavity (4) of the cleaning section (2). The second pipe (22) is located inside the protective cover (10). The cold water inlet (24) The heating pack dispensing chamber (14) is located on the side wall that is fitted with the protective cover (10). One end of the cold water pipe (18) is connected to the outlet (33) of the water tank, and the other end extends into the cavity (4) of the cleaning section (2). The end of the cold water pipe (18) extending into the cavity (4) is connected to the inner end of the first adapter (19) through the first pipe (21). One end of the second adapter (20) is connected to the end of the first adapter (19) extending into the U-shaped frame (9), and the other end is connected to the cold water inlet (24) of the heating pack dispensing chamber (14) through the second pipe (22).

7. A self-heating floor cleaning assembly according to claim 6, characterized in that: It also includes a pump (25) disposed in the cavity (4) of the cleaning section (2), the pump (25) being disposed on the first pipe (21).

8. A self-heating floor scrubbing assembly according to claim 1, characterized in that: It also includes a steam check valve installed on the steam delivery channel.

9. A self-heating floor scrubbing assembly according to claim 1, characterized in that: It also includes a steam check valve installed on the steam delivery channel. The third pipe (23) is vertically installed, and the first opening (26) is perpendicularly intersecting the third pipe (23). The steam check valve includes a float (29) and a compression spring (30) installed above the float (29). The float (29) is installed at the intersection of the third pipe (23) and the first opening (26). The third pipe (23) is provided with an upper limit device and a lower limit device for positioning the float (29) in the open and closed positions. One end of the compression spring (30) abuts against the upper limit device, and the other end abuts against the float (29). It is used to make the float (29) sink and close the first opening (26) when the internal steam pressure is insufficient, and to make the float (29) move up and open the first opening (26) when the internal steam pressure reaches the set value.

10. A self-heating floor cleaning assembly according to claim 1, characterized in that: The first opening (26) is strip-shaped, and the length of the first opening (26) is greater than the diameter of the third pipe (23). The shape of the second opening (27) matches the shape of the first opening (26).

11. A self-heating floor scrubbing assembly according to claim 4, characterized in that: The bottom of the protective cover (10) is provided with a U-shaped groove (31) with the opening facing downward for accommodating the roller brush, and the steam outlet (11) is located at the bottom of the front side wall or the bottom of the rear side wall of the U-shaped groove (31).

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