Locking device for control rod of scrubber

Abstract

The utility model discloses a locking device for a control rod of a scrubber, which belongs to scrubber devices, the scrubber comprises a scrubber main machine and the control rod, the lower end of the control rod is hinged with the scrubber main machine through a hinge component, and the control rod rotates along the scrubber main machine through the hinge component in a first degree of freedom and a second degree of freedom. A locking assembly is arranged corresponding to the hinge assembly, and the locking assembly locks or unlocks the rotation angle of the first freedom degree and the rotation angle of the second freedom degree. The rotating direction of the first freedom degree is perpendicular to the rotating direction of the second freedom degree, and the hinge assembly enables the control rod to rotate by multiple angles relative to the floor washing main machine through cooperation of the first freedom degree and the second freedom degree. The multi-degree-of-freedom angle adjusting device has the multi-degree-of-freedom angle adjusting and locking functions, and the operation difficulty is reduced.

Description

Technical Field

[0001] This utility model relates to floor scrubbing machine devices, and more particularly to a locking device for the control lever of a floor scrubbing machine. Background Technology

[0002] With the development of intelligent cleaning equipment, floor scrubbers are gradually replacing traditional manual mopping due to their efficient cleaning capabilities. Most existing floor scrubbers use a main unit, a control lever hinged to the main unit, and a handle. Their working principle involves the user applying force to the control lever to drive the machine forward, simultaneously activating the roller brush and suction components to clean the floor. However, this manual operation mode has significant drawbacks. For example, the hinged structure between the control lever and the main unit results in a single force transmission path. When the user's applied force deviates from the machine's axis of travel, lateral torque can easily be generated, causing the machine to shift or slide, especially noticeable on low-friction surfaces such as tiles and marble. The difference in lever arm between the control lever's fulcrum and the main unit necessitates continuous pushing force for push-pull operations. The hinged structure only provides a single degree of rotational freedom, making multi-dimensional flexible steering difficult. Furthermore, the presence of water and wastewater tanks on the control lever leads to an unreasonable center of gravity distribution, causing operator fatigue, especially wrist pain after continuous use. Utility Model Content

[0003] Technical problem solved: To address the technical problems of poor walking stability and difficult operation of existing floor scrubbers, this utility model provides a locking device for the control lever of a floor scrubber, which has multi-degree-of-freedom angle adjustment and locking functions, reducing the difficulty of operation.

[0004] Technical solution: The present invention provides a locking device for a control lever of a floor scrubber. The floor scrubber includes a floor scrubber main unit and a control lever. The lower end of the control lever is hinged to the floor scrubber main unit through a hinge assembly. The control lever rotates along the floor scrubber main unit with a first degree of freedom and a second degree of freedom through the hinge assembly. A locking assembly is provided corresponding to the hinge assembly. The locking assembly locks or unlocks the rotation angle of the first degree of freedom and the second degree of freedom.

[0005] Preferably, the rotation directions of the first degree of freedom and the second degree of freedom are perpendicular, and the hinge assembly enables the control lever to rotate at multiple angles relative to the floor scrubbing unit through the cooperation of the first degree of freedom and the second degree of freedom.

[0006] Preferably, the hinge assembly includes a first connecting end and a second connecting end respectively corresponding to the floor scrubbing main unit and the control lever;

[0007] The first connecting end is hinged to a hinge member that rotates along the first degree of freedom. The hinge member and the second connecting end achieve the second degree of freedom of rotation through a hinge lug and a hinge end seat that are configured to cooperate.

[0008] Preferably, the locking assembly includes a first connecting block and a second connecting block respectively connected to the first connecting end and the second connecting end;

[0009] The first connecting block has several pin holes on the side adjacent to the second connecting block;

[0010] The second connecting block is provided with a pin through hole for sliding connection of the connecting pin. Driving the connecting pin forward along the pin through hole causes the lower end of the connecting pin to be inserted into the corresponding pin hole to achieve locking; or driving the connecting pin backward along the pin through hole causes the lower end of the connecting pin to be disengaged from the pin hole to achieve unlocking.

[0011] Preferably, the second connecting block has an L-shaped groove on its side wall that communicates with the pin through hole;

[0012] A pin handle is fixedly connected to one side of the connecting pin rod. The pin handle slides along the L-shaped groove to drive the connecting pin rod forward or backward. When the pin handle moves to the lower horizontal groove of the L-shaped groove, the lower end of the connecting pin rod is inserted into the corresponding pin hole.

[0013] Preferably, a compression spring is fitted at the lower end of the connecting pin, and the lower end of the compression spring is supported on the inner wall of the pin through hole of the second connecting block.

[0014] Preferably, the top of the second connecting block is provided with an electric drive mechanism connected to the connecting pin, the electric drive mechanism driving the connecting pin to move forward or backward along the pin through hole.

[0015] Preferably, the electric drive mechanism is an electric push rod or a solenoid valve.

[0016] Preferably, the floor cleaning unit includes a mounting plate and a support base fixedly connected to the mounting plate, and the first connecting end is correspondingly connected to the support base.

[0017] Preferably, the control lever is a hollow steel structure, and the second connecting end is inserted into the lower end of the control lever for fixed connection.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. The floor scrubber of this utility model has the advantages of flexible operation and labor saving. The control lever and the floor scrubber host adopt a multi-degree-of-freedom hinge assembly. The control lever realizes the linkage of the first degree of freedom and the second degree of freedom through the hinge assembly. The rotation direction is set vertically. With this, it can support multi-dimensional steering, which solves the problem of inflexible steering caused by the single-axis rotation of the existing floor scrubber. It is especially suitable for cleaning complex corners.

[0020] 2. A locking component is provided in conjunction with the hinge assembly. Through the pin hole and the L-shaped slide, the user can fix the appropriate angle of the control lever, reduce the continuous force on the wrist, and reduce the difficulty of operation. The locking function allows the user to adjust to a comfortable operating angle and fix it, which significantly reduces fatigue during long-term use and makes operation more effortless. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the floor scrubber of this utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the connection structure between the control lever and the main unit of the floor scrubber;

[0023] Figure 3 for Figure 2 A schematic diagram of the connection structure between the hinge assembly and the locking assembly of the central control lever;

[0024] Figure 4 for Figure 3 First-view structural schematic diagram of the hinge assembly and locking assembly;

[0025] Figure 5 for Figure 4 A second-view structural diagram of the hinge assembly and locking assembly;

[0026] Figure 6 for Figure 1 A photograph of the actual structure of a floor scrubber;

[0027] Figure 7 for Figure 1 A photo of the rear view of the floor scrubber.

[0028] Reference numerals: 100, floor scrubber; 1, floor scrubber main unit; 2, control lever; 3, control handle; 4, hinge assembly; 41, first connecting end; 42, hinge piece; 43, hinge lug; 44, hinge end seat; 45, second connecting end; 5, mounting plate; 6, support base; 7, locking assembly; 71, first connecting block; 72, pin hole; 73, second connecting block; 74, L-shaped slide; 75, connecting pin; 76, pin handle. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings. Figures 1-7 The technical solutions of the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0030] like Figures 1-3 and Figures 6-7 As shown, this utility model discloses a locking device for the control lever 2 of a floor scrubber. The floor scrubber 100 includes a floor scrubbing main unit 1, a control lever 2, and a control handle 3. The control lever 2 adopts a profile structure and has multiple through cavities to accommodate the installation of various pipelines. The control handle integrates control buttons such as water spraying, scrubbing, and wastewater suction, and uses existing technology to integrate and achieve its corresponding functions.

[0031] like Figures 3-5 As shown, the lower end of the control lever 2 is hinged to the floor cleaning host 1 via the hinge assembly 4. The control lever 2 rotates along the floor cleaning host 1 with the first degree of freedom and the second degree of freedom via the hinge assembly 4. A locking assembly 7 is provided corresponding to the hinge assembly 4. The locking assembly 7 locks or unlocks the rotation angle of the first degree of freedom and the second degree of freedom.

[0032] In one specific embodiment, such as Figure 4 As shown, the hinge assembly 4 includes a first connecting end 41 and a second connecting end 45 respectively corresponding to the mounting plate 5 and the control lever 2; the first connecting end 41 is hinged to a hinge member 42 that rotates along the first degree of freedom, and the hinge member 42 and the second connecting end 45 achieve rotation in the second degree of freedom through a hinge lug 43 and a hinge end seat 44 that are configured to cooperate; the rotation directions of the first degree of freedom and the second degree of freedom are perpendicular to each other; the hinge assembly 4 with this configuration allows the control lever 2 to rotate at multiple angles relative to the mounting plate 5 through the cooperation of the first degree of freedom and the second degree of freedom, thereby satisfying the cleaning of dead corners of the floor by the floor scrubber and facilitating the steering control of the floor scrubber.

[0033] The locking assembly 7 includes a first connecting block 71 and a second connecting block 73 respectively connected to the first connecting end 41 and the second connecting end 45. The first connecting block 71 has multiple pin holes 72 on the side adjacent to the second connecting block 73, thereby allowing the control lever 2 to be fixedly positioned relative to the floor cleaning unit 1 at different angles along a first degree of freedom. The first degree of freedom refers to the rotation of the control lever 2 relative to the floor cleaning unit 1 in the forward-backward direction, and the second degree of freedom refers to the rotation of the control lever 2 relative to the floor cleaning unit 1 in the left-right direction. The second connecting block 73 has a pin through hole for the connecting pin 75 to slide through. Driving the connecting pin 75 forward along the pin through hole causes its lower end to insert into the corresponding pin hole 72 for locking; or driving the connecting pin 75 backward along the pin through hole causes its lower end to disengage from the pin hole 72 for unlocking.

[0034] In one specific embodiment, such as Figure 5As shown, the second connecting block 73 has an L-shaped groove 74 on its side wall that communicates with the through hole of the pin rod; a pin handle 76 is fixedly connected to one side of the connecting pin rod 75. The pin handle 76 slides along the L-shaped groove 74 to drive the connecting pin rod 75 forward or backward. When the pin handle 76 moves to the lower horizontal groove of the L-shaped groove 74, the lower end of the connecting pin rod 75 can be inserted into the corresponding pin hole 72, thereby locking the angle of the control lever 2 relative to the floor scrubbing unit 1. When the pin handle 76 moves backward and retracts into the longitudinal groove of the L-shaped groove 74, the front end of the connecting pin rod 75 can disengage from the pin hole 72, thereby releasing the angle unlocking of the control lever 2 relative to the floor scrubbing unit 1. The clean water tank and wastewater tank on the control lever 2 are quite heavy when filled with water, usually weighing over 5 kg. During operation, the user needs to overcome the weight of the clean water tank and wastewater tank when holding the control handle 3, which is time-consuming and laborious during long-term use. The locking component 7 can lock the control lever 2 relative to the floor scrubbing unit 1 at an angle during operation. Different users can adjust the control lever 2 relative to the floor scrubbing unit 1 to a suitable operating position, and then lock the control lever 2 relative to the floor scrubbing unit 1 at an angle through the locking component 7. The user can easily operate the floor scrubbing machine by simply holding the control handle without exerting force.

[0035] In a preferred embodiment, a compression spring (not shown in the figure) is fitted on the lower end of the connecting pin 75 at the pin handle 76, and the lower end of the compression spring is supported on the inner wall of the pin through hole of the second connecting block 73. This arrangement facilitates the rearward reset of the connecting pin 75 along the L-shaped slide groove 74 and prevents the connecting pin 75 from slipping off along the L-shaped slide groove 74 under its own weight.

[0036] In a preferred embodiment, the top of the second connecting block 73 is provided with an electric drive mechanism (not shown in the figure) connected to the connecting pin 75. The electric drive mechanism drives the connecting pin 75 to move forward or backward along the pin through hole, thereby enabling the connecting pin 75 to connect or disconnect from the pin hole 72 of the first connecting block 71. The electric drive mechanism can be an electric push rod or a solenoid valve, which drives the connecting pin 75.

[0037] like Figure 3 As shown, the floor cleaning unit 1 includes a mounting plate 5 and a support base 6 fixedly connected to the mounting plate 5, and the first connecting end 41 is correspondingly connected to the support base 6; the control lever 2 is a hollow steel structure, and the second connecting end 45 is correspondingly inserted into the lower end of the control lever 2 for fixed connection.

[0038] The above are preferred embodiments of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A locking device for a floor scrubber control lever, characterized in that, The floor scrubber (100) includes a floor scrubber main unit (1) and a control lever (2). The lower end of the control lever (2) is hinged to the floor scrubber main unit (1) through a hinge assembly (4). The control lever (2) rotates along the floor scrubber main unit (1) with a first degree of freedom and a second degree of freedom through the hinge assembly (4). A locking assembly (7) is provided corresponding to the hinge assembly (4). The locking assembly (7) locks or unlocks the rotation angle of the first degree of freedom and the second degree of freedom.

2. The locking device for the control lever of a floor scrubber according to claim 1, characterized in that, The rotation directions of the first degree of freedom and the second degree of freedom are set perpendicularly, and the hinge assembly (4) enables the control lever (2) to rotate at multiple angles relative to the floor cleaning host (1) through the cooperation of the first degree of freedom and the second degree of freedom.

3. The locking device for the control lever of a floor scrubber according to claim 2, characterized in that, The hinge assembly (4) includes a first connecting end (41) and a second connecting end (45) respectively provided with the floor scrubbing host (1) and the control lever (2); The first connecting end (41) is hinged to a hinge member (42) that rotates along the first degree of freedom. The hinge member (42) and the second connecting end (45) achieve the second degree of freedom rotation through a hinge lug (43) and a hinge end seat (44) that are configured to cooperate.

4. The locking device for the control lever of a floor scrubber according to claim 3, characterized in that, The locking assembly (7) includes a first connecting block (71) and a second connecting block (73) respectively connected to the first connecting end (41) and the second connecting end (45); The first connecting block (71) has several pin holes (72) on the side adjacent to the second connecting block (73); The second connecting block (73) is provided with a pin through hole for sliding connection of the connecting pin (75). The connecting pin (75) is driven to move forward along the pin through hole so that the lower end of the connecting pin (75) is inserted into the corresponding pin hole (72) to lock; or the connecting pin (75) is driven to move backward along the pin through hole so that the lower end of the connecting pin (75) is disengaged from the pin hole (72) to unlock.

5. The locking device for the control lever of a floor scrubber according to claim 4, characterized in that, The second connecting block (73) has an L-shaped groove (74) on its side wall that communicates with the pin through hole; A pin handle (76) is fixedly connected to one side of the connecting pin (75). The pin handle (76) slides along the L-shaped groove (74) to drive the connecting pin (75) forward or backward. The pin handle (76) moves to the lower end of the horizontal groove of the L-shaped groove (74) so ​​that the lower end of the connecting pin (75) is inserted into the corresponding pin hole (72).

6. The locking device for the control lever of a floor scrubber according to claim 5, characterized in that, The connecting pin (75) is fitted with a compression spring at the lower end of the pin handle (76), and the lower end of the compression spring is supported on the inner wall of the pin through hole of the second connecting block (73).

7. The locking device for the control lever of a floor scrubber according to claim 4, characterized in that, The top of the second connecting block (73) is provided with an electric drive mechanism connected to the connecting pin (75), which drives the connecting pin (75) to move forward or backward along the pin through hole.

8. The locking device for the control lever of a floor scrubber according to claim 7, characterized in that, The electric drive mechanism is an electric push rod or a solenoid valve.

9. The locking device for the control lever of a floor scrubber according to any one of claims 3 to 8, characterized in that, The floor cleaning unit (1) includes a mounting plate (5) and a support base (6) fixedly connected to the mounting plate (5), and the first connection end (41) is correspondingly connected to the support base (6).

10. The locking device for the control lever of a floor scrubber according to claim 9, characterized in that, The control lever (2) is a hollow steel structure, and the second connecting end (45) is inserted into the lower end of the control lever (2) for fixed connection.

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