Surface cleaning head

Abstract

The utility model discloses a surface cleaning head which is suitable for ground cleaning equipment. The surface cleaning head comprises a shell with a rolling brush cavity defined in the front, a rolling brush rotationally arranged in the rolling brush cavity, a rolling brush motor driving the rolling brush to rotate, a fluid nozzle component rotating between a first position and a second position, and an actuating component in transmission arrangement with the fluid nozzle component. In the first position, the fluid nozzle component can spray fluid towards the rolling brush; in the second position, the fluid nozzle part can spray fluid towards the ground on the front side of the surface cleaning head; the actuating component is arranged on the shell and is configured to be operated by a user, so that the fluid nozzle component rotates between a first position and a second position; according to the fluid nozzle, the fluid spraying direction can be flexibly adjusted according to cleaning requirements, the cleaning effect is improved, and efficient cleaning is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment technical field, especially in surface cleaning head suitable for ground cleaning equipment. BACKGROUND

[0002] Push rod type ground cleaning equipment usually has a surface cleaning head that moves along the ground to be cleaned, which is provided with a roll brush that can be driven to rotate and a fluid nozzle that can apply cleaning fluid (such as steam) to the roll brush. By spraying cleaning fluid onto the roll brush and driving the roll brush to rotate, stains and liquid on the ground are quickly stripped and picked up. Currently, the fluid nozzle on the surface cleaning head on the market is generally designed to be fixed. This design limits the use of the surface cleaning head. SUMMARY

[0003] To solve the above-mentioned problems, the utility model provides a surface cleaning head which can effectively expand the use of the nozzle thereon.

[0004] Therefore, the utility model provides a surface cleaning head suitable for ground cleaning equipment, which comprises:

[0005] A housing defines a roll brush cavity in the front part;

[0006] A roll brush is rotatably arranged in the roll brush cavity about its own axis;

[0007] A roll brush motor is configured to drive the roll brush to rotate;

[0008] A fluid nozzle component is rotatably arranged between a first position and a second position. In the first position, the fluid nozzle component can spray fluid towards the roll brush. In the second position, the fluid nozzle component can spray fluid towards the ground in front of the surface cleaning head; and

[0009] An actuating component is arranged on the housing and in transmission with the fluid nozzle component. The actuating component is configured to be operated by a user to rotate the fluid nozzle component between the first position and the second position.

[0010] In some embodiments, the actuating component comprises a foot pedal arranged on the top of the housing and movable between an initial state and a pressed state. When the foot pedal is in the initial state, the fluid nozzle component is in the second position. When the foot pedal is in the pressed state, the fluid nozzle component is in the first position.

[0011] In some embodiments, further comprising: a locking mechanism configured to hold the foot pedal in the pressed state.

[0012] In some embodiments, further comprising: a spring between the housing and the foot pedal, the spring configured to provide a force to reset the foot pedal to the initial state after the locking mechanism is unlocked.

[0013] In some embodiments, the housing comprises an upper cover on the upper side of the roller brush and removable, the fluid nozzle component is arranged inside the front of the upper cover.

[0014] In some embodiments, further comprising: a push rod between the fluid nozzle component and the actuating component, at least part of the push rod is inside the upper cover.

[0015] In some embodiments, the fluid nozzle component comprises a hollow nozzle rod and one or more nozzles arranged on the nozzle rod, the nozzle rod is rotatably mounted on the upper cover, the front of the push rod abuts the nozzle rod and can cause the nozzle rod to rotate when moving forward.

[0016] In some embodiments, a torsion spring is arranged between the nozzle rod and the upper cover.

[0017] In some embodiments, further comprising: a dirt collection box arranged inside the housing and forming a dirty liquid collection cavity inside, the dirty liquid collection cavity has at least one dirty liquid inlet on the top of the dirt collection box; and a scraping strip above the at least one dirty liquid inlet and in contact with the roller brush.

[0018] In some embodiments, the inside of the dirt collection box further forms a solid waste collection cavity, the solid waste collection cavity has a solid waste inlet on the front of the dirt collection box, the solid waste inlet is on the rear side of the roller brush and next to the roller brush.

[0019] Compared with the prior art, the fluid nozzle of the present application can flexibly adjust the fluid ejection direction according to the cleaning needs, the user can selectively operate the nozzle of the surface cleaning head to face the ground or the roller brush, improve the cleaning effect, and realize efficient cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A perspective view of a surface cleaning head according to an embodiment of the present application;

[0021] Figure 2 For Figure 1A top view of the fluid nozzle component of the surface cleaning head (excluding the top cover) in the second position;

[0022] Figure 3 for Figure 2 A sectional view taken along line AA.

[0023] Figure 4 for Figure 3 A magnified view of a portion of point C in the middle;

[0024] Figure 5 for Figure 3 A magnified view of a portion of point D in the middle;

[0025] Figure 6 for Figure 1 A top view of the fluid nozzle component of the surface cleaning head (excluding the top cover) in the first position;

[0026] Figure 7 for Figure 6 A sectional view cut along line BB.

[0027] Figure 8 for Figure 7 A magnified view of a portion of point E in the middle;

[0028] Figure 9 for Figure 7 A magnified view of a portion of point F in the middle;

[0029] Figure 10 for Figure 1 A schematic diagram of the actuation component of the middle foot pedal in its initial state;

[0030] Figure 11 for Figure 1 A schematic diagram of the actuation component of the middle foot pedal in the pressed state;

[0031] Figure 12 for Figure 1 A schematic diagram of the actuation component when the middle foot pedal is in the unlocked state.

[0032] The components are as follows: 100, surface cleaning head; 10, housing; 101, locking cavity; 1, top cover; 20, roller brush; 40, fluid nozzle component; 2, nozzle rod; 21, protrusion; 3, nozzle; 50, actuating component; 5, foot pedal; 51, inclined protrusion; 510, inclined surface; 6, locking mechanism; 61, locking seat; 610, locking groove; 62, connecting rod; 620, locking protrusion; 7, spring; 60, push rod; 601, first contact surface; 602, second contact surface; 603, transition inclined surface; 70, torsion spring; 80, dirt collection box; 801, guide surface; 8, sewage collection chamber; 81, sewage inlet; 9, solid waste collection chamber; 91, solid waste inlet; 90, scraper. Detailed Implementation

[0033] This application provides a surface cleaning head suitable for floor cleaning equipment. For example... Figure 1 , 3 As shown in Figure 7, the surface cleaning head 100 includes: a housing 10, a roller brush 20, a roller brush motor (not shown), a fluid nozzle assembly 40, and an actuating member 50. The front portion of the housing 10 defines a roller brush cavity, in which the roller brush 20 is rotatably arranged about its own axis. The roller brush motor is mounted within the housing 10 and is throttle-connected to the roller brush 20 to drive its rotation. The fluid nozzle assembly 40 is rotatably mounted within the roller brush cavity between a first position and a second position. In the first position, the fluid nozzle assembly 40 sprays fluid toward the roller brush 20 from its upper front side; in the second position, the fluid nozzle assembly 40 sprays fluid toward the ground in front of the surface cleaning head 100. The actuating member 50 is arranged on the housing 10 and throttle-connected to the fluid nozzle assembly 40, for user operation to switch the fluid nozzle assembly 40 between the first and second positions. The fluid nozzle component 40 can be used to spray different fluids such as steam and cleaning fluid. When using the fluid nozzle component 40 to spray steam, the user can first spray steam onto the ground in front of the surface cleaning head 100 to soften stains and sterilize them with high temperature, and then spray steam onto the roller brush 20. The roller brush 20 rolls over the steam-sprayed ground, making it easier to clean the ground and improving the cleaning effect. The fluid nozzle component 40 of the surface cleaning head 100 can switch the spray direction between towards the roller brush 20 and towards the ground in front of the surface cleaning head 100, flexibly adjusting the spray direction according to cleaning needs. It is especially suitable for cleaning different stains or floor materials, improving the cleaning effect and achieving efficient cleaning.

[0034] The housing 10 includes a removable top cover 1 located above the roller brush 20, and a fluid nozzle component 40 is disposed on the front inner side of the top cover 1 and adjacent to the roller brush 20.

[0035] A push rod 60 is disposed between the fluid nozzle component 40 and the actuating component 50. At least a portion of the push rod 60 is located inside the upper cover 1. The front end of the push rod 60 abuts against the fluid nozzle component 40, and the rear end abuts against the actuating component 50. The actuating component 50 can push the push rod 60 forward, thereby driving the fluid nozzle component 40, which abuts against the push rod 60, to switch positions. The transmission between the actuating component 50, the push rod 60, and the fluid nozzle component 40 converts linear motion into circular motion. The structure is simple and the operation is flexible. While broadening the application methods of the nozzle, it effectively reduces the production cost of the surface cleaning head 100.

[0036] like Figure 2 , 3As shown in Figures 6 and 7, the fluid nozzle component 40 includes a hollow nozzle rod 2 and one or more nozzles 3 disposed on the nozzle rod 2. The nozzle rod 2 extends in a left-right direction, and the multiple nozzles 3 are spaced apart in a left-right direction on the nozzle rod 2. The nozzle rod 2 has a flow channel communicating with the nozzles 3 to evenly distribute the fluid to each nozzle 3. The nozzle rod 2 is rotatably mounted on the upper cover 1 about its own axis, and a torsion spring 70 is disposed between the nozzle rod 2 and the upper cover 1. The surface of the nozzle rod 2 has a radially protruding protrusion 21. When the front part of the push rod 60 pushes forward against the rear side of the protrusion 21, the nozzle rod 2 rotates about its own axis, causing the forward-facing nozzles 3 to rotate to face the rear, and the fluid nozzle component 40 switches from a second position to a first position. When the fluid nozzle component 40 is held in the first position, it is based on the forward thrust generated by the push rod 60 under the action of the actuating component 50. After the push rod 60 and the actuating component 50 remove the forward thrust, the torsion spring 70 can rotate the fluid nozzle component 40 from the first position back to the second position.

[0037] In other embodiments, the fluid nozzle component and / or push rod may not be arranged on the top cover, but in other locations of the housing, such as the lower part of the housing; any arrangement that allows the fluid nozzle component to switch between spraying fluid onto the roller brush and towards the ground in front of the surface cleaning head can be applied in this application.

[0038] like Figures 3-5 As shown, the actuating component 50 includes a foot pedal 5, a locking mechanism 6, and a spring 7. The foot pedal 5 is arranged on the top of the housing 10 for easy pedaling by the user. The foot pedal 5 can move between an initial state and a pressed state during pedaling. The rear end of the push rod 60 has a first contact surface 601 and a second contact surface 602 that are parallel to each other. The first contact surface 601 is located in front of and above the second contact surface 602. A transition slope 603 connects the first contact surface 601 and the second contact surface 602. The front end of the foot pedal 5 has a forward-protruding inclined protrusion 51 with an inclined surface 510 that has the same inclination angle as the transition slope 603. When the foot pedal 5 is in the initial state, the front end of the inclined protrusion 51 abuts against the first contact surface 601, and the fluid nozzle component 40 is in a second position under the action of the torsion spring 70.

[0039] like Figure 7 , 8As shown, when the foot pedal 5 is in the pressed state, the inclined protrusion 51 abuts against the second contact surface 602, and the position difference between the first contact surface 601 and the second contact surface 602 in the front-rear direction causes the push rod 60 to move forward under the pushing of the inclined protrusion 51, and the protrusion 21 abutting against the front part of the push rod 60 is displaced forward, causing the nozzle 3 on the nozzle rod 2 to move backward toward the roller brush 20, and the fluid nozzle component 40 to switch from the second position to the first position.

[0040] Continuing to refer to Figure 3 , Figure 4 , Figure 7 and Figure 8 , the position of the front end part of the push rod 60 when the foot pedal 5 is in the initial state is located at the rear side of the position when the foot pedal 5 is in the pressed state, and the position difference between the first contact surface 601 and the second contact surface 602 in the front-rear direction causes the actuating component 50 to drive the push rod 60 to change the position difference of the front end part thereof in the front-rear direction, and the fluid nozzle component 40 to rotate under the action of the position difference of the push rod 60, thereby changing the direction of the nozzle. The transition inclined surface 603 and the inclined surface 510 make the transition of the inclined protrusion 51 between the first contact surface 601 and the second contact surface 602 smooth, improving the flexibility of the position switching.

[0041] As shown in Figure 3 , 7 , the housing 10 has a lock cavity 101 accommodating the locking mechanism 6 and the spring 7, the spring 7 extends in the up-down direction, the top part thereof abuts against the locking mechanism 6, and the bottom part thereof abuts against the bottom wall of the lock cavity 101, and the locking mechanism 6 is located between the foot pedal 5 and the spring 7. The locking mechanism 6 can be locked when the foot pedal 5 is pressed from the initial state to keep the foot pedal 5 in the pressed state, and can be unlocked when the foot pedal 5 is pressed again from the pressed state to an unlocked state, and when the external pressing force on the foot pedal 5 in the unlocked state is removed, the spring 7 compressed at the bottom releases to lift the foot pedal 5 and reset the foot pedal 5 to the initial state.

[0042] As shown in Figure 5 , the locking mechanism 6 includes a locking seat 61 movable up and down in the lock cavity 101 and a connecting rod 62 installed on the housing 10, the locking seat 61 is provided with a lock groove 610, and the lower end part of the connecting rod 62 has a locking protrusion 620 capable of being clamped into the lock groove 610. The locking seat 61 is connected with the foot pedal 5 to be movable up and down with the foot pedal 5, and the lower end part of the locking seat 61 abuts against the spring 7.

[0043] As shown in Figures 7-12As shown, when the foot pedal 5 is moved downward from the initial state, the locking seat 61 moves downward with the foot pedal 5 until the locking protrusion 620 of the connecting rod 62 slides into the locking slot 610, the connecting rod 62 hooks the locking seat 61 so that the locking seat 61 cannot be reset upward, and in turn, the foot pedal 5 is kept in the pressed state. The push rod 60 keeps the fluid nozzle component 40 in the first position under the pushing of the inclined protrusion 51.

[0044] When the foot pedal 5 is pressed again while being locked in the pressed state, the locking seat 61 continues to move downward, so that the locking protrusion 620 of the connecting rod 62 slides out of the locking slot 610, and the connecting rod 62 cannot limit the movement of the locking seat 61. When the external force applied to the foot pedal 5 is removed, the compressed spring 7 on the lower side of the locking seat 61 is released, the spring 7 lifts the locking seat 61 upward, and the foot pedal 5 is reset from the unlocked state to the initial state. The inclined protrusion 51 in contact with the second contact surface 602 moves upward to the rear side of the first contact surface 601, the rear side of the push rod 60 loses the force in contact with the inclined protrusion 51, the torsion spring 70 on the nozzle rod 2 releases the pre-tightening force to make the nozzle rod 2 rotate, the protrusion 21 on the nozzle rod 2 moves backward and pushes the push rod 60 in contact to move backward until the first contact surface 601 is in contact with the inclined protrusion 51, and the fluid nozzle component 40 rotates to the second position and is kept in the second position.

[0045] The user changes the vertical position state of the foot pedal 5 by stepping on it, the vertical position change of the foot pedal 5 changes the position of the push rod 60 in the front-back direction, and the position change of the push rod 60 in the front-back direction changes the orientation of the nozzle 3 on the nozzle rod 2. When changing the orientation of the nozzle 3, only the foot pedal 5 on the top of the housing 10 needs to be stepped on, the operation is simple, and the cleaning efficiency of the surface cleaning head is effectively improved.

[0046] Continuing to refer to Figure 3 The housing 10 is also provided with a dirt collection box 80 and a scraping strip 90. The dirt collection box 80 can be taken out from the top of the housing 10 to facilitate cleaning of the dirt collection box 80. The dirt collection box 80 forms a dirty liquid collection cavity 8 inside, and the dirty liquid collection cavity 8 has at least one dirty liquid inlet 81 on the top of the dirt collection box 80. The scraping strip 90 is located above the at least one dirty liquid inlet 81 and can contact the roller brush 20 to scrape the dirty liquid on the surface of the roller brush 20 during the rotation of the roller brush 20. The top of the dirt collection box 80 has a flow guide surface 801 in front of the dirty liquid inlet 81, which is inclined downward from front to back, so that the dirty liquid scraped by the scraping strip 90 can flow into the dirty liquid collection cavity 8 from the at least one dirty liquid inlet 81 along the flow guide surface 801.

[0047] The dirt collecting box 80 is further provided with a solid waste collecting cavity 9 which is located at the rear side of the roller brush 20 and at the front side of the dirty liquid collecting cavity 8, and the solid waste collecting cavity 9 is independent of the dirty liquid collecting cavity 8. The solid waste collecting cavity 9 is provided with a solid waste inlet 91 which is located at the front side of the dirt collecting box 80, at the rear side of the roller brush 20 and next to the roller brush 20, and receives the solid waste swept by the roller brush 20 during the rolling of the roller brush 20. The dirt collecting box 80 realizes the classified collection of the solid waste and the dirty liquid, avoids the mixing of the solid waste and the dirty liquid to cause the frequent cleaning of the dirt collecting box 80, facilitates the cleaning of the dirt collecting box 80 at last, and improves the cleaning efficiency.

[0048] The above embodiments are only illustrative, and those skilled in the art can make equivalent replacements or improvements within the scope of the claims, and these modifications all belong to the protection scope of the present application.

Claims

1. A surface cleaning head suitable for use with a floor cleaning apparatus, characterized in that, The surface cleaning head comprises: a housing, a front portion of which defines a roller brush cavity; a roller brush rotatably disposed in the roller brush cavity about a roller brush axis of rotation; a roller brush motor configured to drive the roller brush in rotation; a fluid nozzle assembly rotatably disposed between a first position and a second position, in the first position the fluid nozzle assembly is configured to spray fluid towards the roller brush, in the second position the fluid nozzle assembly is configured to spray fluid towards a floor surface in front of the surface cleaning head; and an actuation assembly disposed on the housing and in driving communication with the fluid nozzle assembly, the actuation assembly configured to be operable by a user to cause the fluid nozzle assembly to rotate between the first position and the second position.

2. The surface cleaning head of claim 1 wherein, The actuation assembly comprises a foot pedal, the foot pedal disposed on a top portion of the housing and movable between an initial state and a depressed state, in the initial state of the foot pedal the fluid nozzle assembly is in the second position, in the depressed state of the foot pedal the fluid nozzle assembly is in the first position.

3. The surface cleaning head of claim 2 wherein, Further comprising: a locking mechanism configured to retain the foot pedal in the depressed state.

4. The surface cleaning head of claim 3 wherein, Further comprising: a spring disposed between the housing and the foot pedal, the spring configured to provide a force to return the foot pedal to the initial state upon release of the locking mechanism.

5. The surface cleaning head of claim 1 wherein, The housing comprises an upper cover disposed on a top side of the roller brush and removable, the fluid nozzle assembly disposed inside a front portion of the upper cover.

6. The surface cleaning head of claim 5 wherein, Further comprising: a push rod disposed between the fluid nozzle assembly and the actuation assembly, at least a portion of the push rod disposed inside the upper cover.

7. The surface cleaning head of claim 6 wherein, The fluid nozzle assembly comprises a hollow nozzle rod and one or more nozzles disposed on the nozzle rod, the nozzle rod rotatably mounted on the upper cover, a front portion of the push rod abutting the nozzle rod and configured to cause the nozzle rod to rotate upon forward movement of the push rod.

8. The surface cleaning head of claim 7 wherein, A torsion spring disposed between the nozzle rod and the upper cover.

9. The surface cleaning head of claim 1 wherein, Further comprising: a dirt collection bin disposed inside the housing and defining a dirty liquid collection cavity inside, the dirty liquid collection cavity having at least one dirty liquid inlet disposed on a top portion of the dirt collection bin; and a squeegee disposed above the at least one dirty liquid inlet and in contact with the roller brush.

10. The surface cleaning head of claim 9 wherein, The dirt collection bin further defines a solid waste collection cavity inside, the solid waste collection cavity having a solid waste inlet disposed on a front portion of the dirt collection bin, the solid waste inlet disposed on a rear side of the roller brush and in close proximity to the roller brush.

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