Hinge device and scrubber

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to a hinge device and a scrubber, the hinge device comprises a rotary hinging body and a connecting body, and the connecting body is used for being clamped with a vertical rod; the rotary hinge body is used for being hinged to a scrubber mopping head. One end of the connecting body is rotationally clamped with the rotary hinging body at a bending angle; and a scrubber water pump circulating connecting pipeline and a circuit for connecting the water pump with the battery are accommodated in the connecting body and the rotary hinging body. According to the hinge device, the vertical rod and the mop head of the scrubber are detachably connected through the connecting body and the rotating hinge body of the hinge device, meanwhile, a scrubber water pump circulating connecting pipeline and a circuit for connecting a water pump and a battery are contained in the hinge device, and the technical problem that an existing scrubber hinge device is low in maintenance and replacement efficiency is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to a hinge device and a floor scrubber. Background Art

[0002] In the early days, people used brooms, mops, floor wipes, etc. to clean the floor. These tools mainly rely on manual operation to complete the cleaning work. With the advancement of science and technology, people's requirements for floor cleaning tools have gradually increased. The first to appear was the vacuum cleaner, which relies on electricity to generate negative pressure to absorb garbage, dust, etc. on the ground. According to the cleaning methods and the circulation channels of small and large particles of garbage, this type of technology is usually classified as air-dust circulation technology. However, due to the limitations of its working principle, the vacuum cleaner cannot clean some garbage and stains that are firmly attached to the ground. Therefore, a new "water-dust circulation" floor scrubber has appeared. The motor drives the cleaning cylinder to wipe the ground. At the same time, the floor cleaner will also be equipped with a water supply system and a sink to clean the cleaning cylinder, thereby perfectly cleaning the ground.

[0003] In the prior art, a Chinese utility model patent with publication number CN217447618U discloses a floor scrubber, which relates to the technical field of floor scrubbers, and specifically includes a handle, a hollow connecting rod, a floor scrubber body, a water tank, a lithium battery assembly, a sewage recovery tank, a cleaning device and a base. The bottom of the handle is fixedly connected to the top of the hollow connecting rod, and the side of the hollow connecting rod away from the handle is fixedly connected to the floor scrubber body. The side of the floor scrubber body away from the hollow connecting rod is fixedly connected to a vertical pole docking sleeve, and the side of the vertical pole docking sleeve away from the floor scrubber body is fixedly connected to a vertical pole docking sleeve; the utility model can realize a fixed seal by means of a recessed slot designed in coordination with an independently designed movable plug plate through movable buckles that can be retracted on both sides, and the movable buckle can be stuck in the recessed slot, thereby completing the fixed seal. At the same time, the design of the movable buckle can minimize the damage to the buckle during operation, and when the movable buckle of the movable plug plate is damaged and cannot be used, only the movable plug plate can be replaced.

[0004] In the above scheme, a pole docking sleeve is fixedly connected to the side of the floor scrubber body away from the hollow connecting rod, and a cleaning device is fixedly connected to the side of the pole docking sleeve away from the floor scrubber body, so as to achieve the connection between the floor scrubber body and the cleaning device. The hinge device configured in the existing "water-dust circulation" floor scrubber is arranged at the junction of the floor scrubber body and the tractor, which inevitably occupies a large volume. At the same time, in order to allow the battery assembly, control system, and water pump configured in the body to provide the tractor with power source, control signal, and conveying pipeline through the hinge device, the user must be careful not to damage the completed circuit connection and water connection when maintaining the hinge device of the floor scrubber, resulting in low efficiency during maintenance and replacement. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a hinge device for a floor scrubber so as to improve the efficiency of maintenance and replacement of the hinge device of the floor scrubber. The utility model realizes water circuit connection and circuit connection by arranging a floor scrubber water pump circulation connection pipeline and a circuit connecting the water pump and a power supply in the hinge device. When the hinge device of the floor scrubber is maintained and replaced, the water circuit and the circuit will not be damaged.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In a first aspect, the utility model provides a hinge device for connecting a tractor head and a vertical pole of a floor scrubber, wherein a water pump and a battery are arranged in the vertical pole, and the hinge device comprises:

[0008] A rotating articulated body, articulated with the tractor head;

[0009] A connector, one end of which is clamped with the vertical rod, and the other end of which is rotatably clamped with the rotating hinge body at a bending angle;

[0010] The tractor head, the vertical rod, the connecting body and the rotating hinge body are provided with pipelines connected to the water pump and wires electrically connected to the battery and the water pump.

[0011] In one or some optional embodiments, the connector comprises:

[0012] An exposed portion, the surface of which is exposed and located between the vertical rod and the rotating hinge body;

[0013] The inner connecting part has a butt end cap fixedly connected to its end. When the floor scrubber is connected, the inner connecting part is shielded inside the vertical pole.

[0014] In one or some optional embodiments, the docking end cover is provided with an inlet and outlet water pipe interface and a connector, the inlet and outlet water pipe interface is connected to the water inlet and outlet of the water pump, and the connector is electrically connected to the wire in the vertical pole.

[0015] In one or some optional embodiments, a sealing soft rubber sleeve is further provided on the docking end cover, and the sealing soft rubber sleeve is provided with slots matching the inlet and outlet water pipe interfaces and connectors.

[0016] In one or some optional embodiments, the rotating hinge comprises:

[0017] A rotating hinge body shell is clamped at the lower end of the exposed portion;

[0018] A locking tongue assembly is arranged in the housing of the rotating hinge body and is engaged with the tractor head;

[0019] In one or some optional embodiments, the locking tongue assembly comprises:

[0020] A radial elastic tongue, which can be extended and retracted in the rotating hinge housing;

[0021] An axial elastic tongue, arranged above the radial elastic tongue;

[0022] A radial limiting cover of the latch tongue, arranged outside the radial elastic tongue;

[0023] The radial elastic snap-on cap is arranged at the bottom of the radial elastic tongue.

[0024] In one or some optional embodiments, a first spring is sleeved on the outside of the radial elastic tongue, and the first spring is located between the radial limiting cover of the latch tongue and the radial elastic latch cap.

[0025] In one or some optional embodiments, second springs are provided on both sides of the axial elastic tongue.

[0026] In one or some optional embodiments, the radial elastic snap-on cap comprises:

[0027] A limiting portion, used for limiting the first spring, one end of the first spring is located in the limiting portion;

[0028] The lock tongue portion has a protrusion on one side facing outward.

[0029] In one or some optional embodiments, a through hole is provided at the center of the limiting portion, the locking tongue portions extend downward along both sides of the through hole and are symmetrically arranged, and the radial elastic tongue is extended and retracted through the through hole.

[0030] In one or some optional embodiments, a snap-fit ​​button is provided on the connector to achieve snap-fit ​​between the connector and the vertical pole.

[0031] In one or some optional embodiments, the axial elastic tongue is provided with a first inclined surface that matches with the radial elastic snap-on cap, and the radial elastic tongue is provided with a second inclined surface that matches with the axial elastic tongue.

[0032] In one or some optional embodiments, the rotating hinge body housing includes a front cover and a rear cover that are mounted in conjunction with each other, and the front cover and the rear cover are respectively clamped on both sides of the lower end of the exposed part.

[0033] In one or some optional embodiments, after the front cover and the rear cover are assembled and installed, a rotating shaft is formed on both sides, and the rotating shaft is clamped in the mop head of the floor scrubber.

[0034] In a second aspect, the utility model provides a floor scrubber, comprising a tractor head, a vertical rod and the hinge device as described in the first aspect.

[0035] The beneficial effects of the utility model are:

[0036] The hinge device of the utility model comprises a rotating hinge body and a connecting body which are rotatably connected to each other. The drag head, the vertical pole, the connecting body and the rotating hinge body of the floor scrubber are provided with a pipeline connected to the water pump and a wire electrically connected to the battery and the water pump. The hinge device is provided with an inlet and outlet water pipe interface and a docking terminal on the docking end cover. The inlet and outlet water pipe interface is connected to the inlet and outlet water pipe in the vertical pole, and the docking terminal is connected to the wire in the vertical pole, so as to realize the water circuit connection and the circuit connection in the floor scrubber. A locking tongue assembly is provided in the rotating hinge body shell. The hinge device is connected to the drag head of the floor scrubber through the locking tongue assembly, so that when the hinge device of the floor scrubber is maintained and replaced, the water circuit and the circuit will not be damaged, thereby improving the efficiency of maintenance and replacement of the hinge device.

[0037] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 A three-dimensional diagram of a floor scrubber equipped with the hinge device of the utility model is shown;

[0040] Figure 2 An exploded view of a floor scrubber equipped with the hinge device of the utility model is shown;

[0041] Figure 3 for Figure 1 A-axis planing view;

[0042] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0043] Figure 5 This is a front view of the hinge device of the utility model;

[0044] Figure 6 for Figure 5 Middle C-axis planing view;

[0045] Figure 7 It is a three-dimensional diagram of the hinge device of the utility model;

[0046] Figure 8 It is an exploded view of the hinge device of the utility model;

[0047] Fig. 9 It is a schematic diagram of the hinge device of the utility model being installed on the upright pole of the floor scrubber;

[0048] Fig.10 This is an exploded view of the hinge device of the utility model being installed on the upright pole of the floor scrubber;

[0049] Fig.11 This is a front view of the hinge device of the utility model after being installed on the upright pole of the floor scrubber;

[0050] Fig.12 for Fig.11 Middle D-axis planing view.

[0051] Description of reference numerals:

[0052] 10, pole; 101, water pump; 101a, water inlet; 101b, water outlet; 103, flow sensor; 104, pole docking terminal; 105, wire; 106, water inlet and outlet pipes;

[0053] 20. Hinge device;

[0054] 210a, exposed portion; 210b, internally connected portion;

[0055] 20A, connector;

[0056] 210, connector body; 220, docking end cover; 220a, sealing soft rubber sleeve; 220b, docking terminal; 220c, water outlet interface; 220c', water outlet docking port; 220d, water inlet interface; 220d', water inlet docking port;

[0057] 20B, rotating hinged body;

[0058] 20B1, rotating hinge housing; 240, front cover; 250, rear cover;

[0059] 20B2, locking tongue assembly; 260, radial limiting cover of locking tongue; 270, axial elastic tongue; 270a, second spring; 270b, first inclined surface; 280, radial elastic tongue; 280a, first spring; 280b, second inclined surface; 290, radial elastic clamping cap; 290a, limiting portion; 290b, locking tongue portion; 290c, protrusion;

[0060] 30. Tractor;

[0061] 230, card connection button;

[0062] P, rotating shaft;

[0063] 100, pole body; 100A, pole inner bracket; 100B, pole docking sleeve; 100B1, docking sleeve terminal seat; DETAILED DESCRIPTION

[0064] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0065] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] First, as Figure 1-12 As shown, the utility model provides a hinge device 20 for a floor scrubber, which is used to connect a tractor head 30 and a vertical pole 10 of the floor scrubber, a water pump 101 and a battery are arranged in the vertical pole, a motor and a water tank for driving a cleaning roller to rotate are arranged on the tractor head, the water pump 101 transports clean water in the water tank to the surface of the cleaning roller and recycles sewage on the surface of the cleaning roller to the water tank, the hinge device 20 comprises a rotating hinge body 20B and a connecting body 20A, the rotating hinge body 20B is hinged to the tractor head 30; the connecting body 20A is detachably connected to the vertical pole 10, the connecting body 20A comprises an exposed portion 210a, and the exposed portion 210a fixes the connecting body 20A and the rotating hinge body 20B at an angle; the tractor head 30, the vertical pole 10, the connecting body 20A and the rotating hinge body 20B contain pipelines connecting the water pump and the water tank and wires electrically connected to the battery, the water pump and the motor.

[0067] In this way, the hinge device of the utility model for a floor scrubber includes a rotating hinge body and a connecting body, the rotating hinge body is hinged to the drag head of the floor scrubber; the connecting body is detachably connected to the vertical pole of the floor scrubber, the connecting body includes an exposed portion, and the exposed portion fixedly connects the connecting body and the rotating hinge body at an angle; the drag head, vertical pole, connecting body and rotating hinge body of the floor scrubber accommodate water pipelines connecting the water pump and the water tank and electric wires electrically connected to the battery, the water pump and the motor, and the docking of the water pipelines and electric wires built into the hinge device with the drag head and the vertical pole can be completed by a single mechanical docking, which is convenient for maintenance and replacement of the hinge device of the floor scrubber without causing damage to the water circuit and the electric circuit, thereby improving the efficiency of maintenance and replacement of the hinge device. Compared with the prior art, the utility model realizes the connection between the upright pole and the drag head of the floor scrubber by setting a hinge device, which not only reduces the volume occupied by the hinge device in the overall floor scrubber, but also accommodates the pipes and water pump for connecting the water circulation and the circuit connected to the water pump, power supply and control system in the connecting body and the rotating hinge body, thereby realizing the water connection and circuit connection, facilitating the maintenance and replacement of the hinge device without damaging the internal water connection and circuit connection, thereby improving the maintenance and replacement efficiency of the hinge device.

[0068] In one or some alternative embodiments, Figure 6 As shown, the connecting body 20A of the hinge device 20 includes an exposed portion 210a and an internal portion 210b. When the floor scrubber completes the connection between the upright pole 10, the hinge device 20 and the tractor head 30, the surface of the exposed portion 210a is exposed and located between the upright pole 10 and the rotating hinge body 20B; Fig. 9 , Fig.10 , Fig.12 As shown, the entire outer column wall of the inner connecting portion 210b is transitionally matched with the inner wall of the vertical rod 10, and the cylindrical depth of the entire transitional match is approximately twice the diameter of the inner wall of the vertical rod 10, so that the hinge device 20 and the vertical rod 10 can maintain stable and consistent cooperation in the axial direction, and the concentricity and stability of the cooperation between the two can be guaranteed;

[0069] Preferably, Figures 6 to 8 As shown, the end of the inner connecting portion 210 b is fixedly connected with a docking end cover 220 . When the connection between the vertical pole 10 and the hinge device 20 is completed, the inner connecting portion 210 b is shielded inside the vertical pole 10 .

[0070] Preferably, the utility model uses screws to fix the docking end cover 220 and the inner connecting portion 210b, and can also use snaps or other methods to achieve fixed connection between the docking end cover 220 and the inner connecting portion 210b, which is not limited in the utility model.

[0071] Specifically, Figure 1 and Figure 2As shown, the connecting body 20A is used for detachable connection with the upright pole 10; the rotating hinge body 20B is used for detachable connection with the tractor head 30; the exposed portion 210a is used for fixedly connecting the connecting body 20A and the rotating hinge body 20B at an angle, and the design is more reasonable and ergonomic; the connecting body 20A and the rotating hinge body 20B contain connecting pipes for connecting the water pump and a circuit for connecting the water pump and a power supply.

[0072] Further, such as Figures 5 to 10 As shown, the docking end cover 220 is provided with an inlet and outlet water pipe interface and a docking terminal 220b, the inlet and outlet water pipe interface is connected to the inlet and outlet water pipe 106 in the vertical pole 10, and the docking terminal 220b is electrically connected to the docking terminal 104 on the wire 105 in the vertical pole 10, thereby realizing the water connection and circuit connection inside the floor scrubber, and the operation is simple and convenient.

[0073] Specifically, Figure 8 , Fig.10 As shown, the water inlet and outlet pipe interfaces include a water outlet interface 220c and a water inlet interface 220d facing the inside of the connecting body 20A, and the water inlet and outlet pipe interfaces also include a water outlet docking port 220c' and a water inlet docking port 220d' facing the outside of the connecting body 20A, the water outlet interface 220c is connected to the water outlet docking port 220c', the water inlet interface 220d is connected to the water inlet docking port 220d', and the water inlet and outlet pipes 106 include a water inlet pipe 106a and a water outlet pipe 106b. Fig.10 As shown, one end of the water inlet pipe 106a is connected to the water inlet 101a of the water pump 101, and the other end of the water inlet pipe 106a is connected to the water inlet docking port (not marked in the figure) on the vertical pole docking sleeve 100B; one end of the water outlet pipe 106b is connected to the water outlet 101b of the water pump 101, and the other end of the water outlet pipe 106b is connected to the water outlet docking port (not marked in the figure) on the vertical pole docking sleeve 100B; while completing the mechanical docking with the connecting body 20A, the vertical pole docking sleeve 100B also completes the docking between the water inlet docking port and the water inlet docking port 220d', and the water outlet docking port and the water outlet docking port 220c', thereby completing the docking between the hinge device 20 and the water pipeline built into the vertical pole 10.

[0074] Furthermore, Figures 5 to 8 As shown, the docking end cover 220 is also provided with a sealing soft rubber sleeve 220a, and the sealing soft rubber sleeve 220a is provided with slots matching the inlet and outlet water pipe interfaces and the docking terminal 220b, so as to facilitate water connection and circuit connection. At the same time, the sealing soft rubber sleeve 220a also protects the docking end cover 220.

[0075] In this way, the connector of the hinge device is provided with an interface that can realize water pipeline docking and circuit line docking with the vertical pole. The rotating hinged body of the hinge device is also provided with water pipelines and circuit lines connected to the towing head, thereby realizing the water connection and circuit connection inside the floor scrubber. Through the quick docking between the vertical pole, the hinge device and the towing head, the operation is simple and convenient.

[0076] In one or some optional embodiments, the rotating hinge 20B includes a rotating hinge housing 20B1 and a locking tongue assembly 20B2; the rotating hinge housing 20B1 is clamped at the lower end of the exposed portion 210a; the locking tongue assembly 20B2 is arranged in the rotating hinge housing 20B1, and the hinge device is clamped with the tractor 30 through the locking tongue assembly 20B2.

[0077] Specifically, Figure 7 , Figure 8 As shown, the rotating hinge housing 20B1 includes a front cover 240 and a rear cover 250 that are interlocked.

[0078] Specifically, Figure 8 , Fig.12 As shown, the locking tongue assembly 20B2 includes an axial elastic tongue 270, a radial elastic tongue 280, a latch radial limiting cover 260 and a radial elastic snap-on cap 290; the axial elastic tongue 270 is arranged above the radial elastic tongue 280; the latch radial limiting cover 260 is sleeved on the outside of the radial elastic tongue 280; the radial elastic snap-on cap 290 is arranged at the bottom of the radial elastic tongue 280; the radial elastic tongue 280 can be retracted in the rotating hinge body shell 20B1, and locks with the tractor 30 to make a clicking sound, and the clicking sound helps the user to judge whether the hinge device is completely and correctly locked with the tractor 30. When the hinge device is locked with the tractor 30, the upright pole 10 can be freely rotated in any direction. The design is reasonable and convenient for users to use better.

[0079] Further, such as Figure 8 , Fig.12 As shown, the outer sleeve of the radial elastic tongue 280 is provided with a first spring 280a, and the first spring 280a is located between the radial limiting cover 260 of the latch and the radial elastic clamping cap 290, and second springs 270a are arranged on both sides of the axial elastic tongue 280.

[0080] Further, such as Figure 8 , Fig.12As shown, the radial elastic snap-fit ​​cap 290 includes a limiting portion 290a and a locking tongue portion 290b, and the limiting portion 290a is used to limit the first spring 280a; one end of the first spring 280a is located in the limiting portion 290a, and the other end is located at the latch radial limiting cover 260, and the first spring 280a is fixed and limited by the cooperation of the latch radial limiting cover 260 and the radial elastic snap-fit ​​cap 290, so that the first spring 280a can be telescopically movable between the latch radial limiting cover 260 and the radial elastic snap-fit ​​cap 290, and a protrusion 290c is provided on the outward side of the locking tongue portion 290b.

[0081] Further, such as Figure 8 As shown, a through hole (not marked in the drawing) is provided at the center of the limiting portion 290a, and the locking tongue portion 290b extends downward along both sides of the through hole and is symmetrically arranged, and the radial elastic tongue 280 is extended and retracted through the through hole.

[0082] In this way, the rotating hinge body of the hinge device includes a rotating hinge body shell and a locking tongue assembly. The rotating hinge body shell includes a front cover and a rear cover that are interlocked with each other. The locking tongue assembly includes an axial elastic tongue, a radial elastic tongue, a radial limiting cover of the locking tongue and a radial elastic locking cap. The rotating hinge body shell is clamped at the lower end of the exposed part of the upper connector; the locking tongue assembly is arranged in the rotating hinge body shell, and the hinge device is clamped with the tractor head through the locking tongue assembly. The locking tongue assembly and the tractor head can make a clicking sound when they are locked together, which helps the user to judge whether the hinge device is locked with the tractor head completely and correctly. When the hinge device and the tractor head are locked together, the vertical rod can be freely rotated in any direction. The design is reasonable and convenient for users to use better.

[0083] In one or some optional embodiments, a snap-fit ​​button 230 is provided on the connector 20A to achieve snap-fit ​​connection between the connector 20A and the upright pole 10 .

[0084] Specific, combined Figure 8-Figure 12As shown, a snap-on button 230 is provided at the transition point from the exposed part 210a of the connector 20A to the internal part 210b. The snap-on button 230 is used to realize the snap-on connection between the connector 20A and the vertical pole 10. A snap-on hook (not shown in the figure) is provided at one end of the snap-on button 230 close to the docking end cover 220. The snap-on hook is located at the side of the step ring where the exposed part 210a transitions to the internal part 210b close to the docking end cover 220 and is located on the outer column wall of the internal part 210b. A snap-on button body (not shown in the figure) is provided at one end of the snap-on button 230 close to the exposed part 210a. The outer surface of the snap-on button body is formed as a whole with the outer surface of the exposed part 210a. The outer surface of the snap-on button body will sink below the outer surface of the exposed part 210a by pressing the outer surface of the snap-on button body. At the same time, the snap-on hook can also be located below the outer column wall of the internal part 210b.

[0085] Specifically, Figure 3 , Figure 4 , Figures 8 to 12 As shown, the vertical pole 10 is provided with a vertical pole docking sleeve 100B. First, the vertical pole docking sleeve 100B is sleeved on the connecting body 20A, and then the inlet and outlet water pipe interface is connected to the inlet and outlet water pipe 106 in the vertical pole 10. The docking terminal 220b is connected to the wire 105 in the vertical pole 10 to achieve the water connection and circuit connection inside the floor scrubber. Finally, the vertical pole docking sleeve 100B is connected to the vertical pole 10, thereby achieving the detachable connection between the connecting body 20A and the vertical pole 10. The design is reasonable and the structure is more compact. After the hinge device 20 achieves the rapid docking of the vertical pole 10 through the connecting body 20A, as shown in FIG. Fig.12 As shown, the buckle of the snap-fit ​​button 230 is just snapped into the corresponding slot (not shown in the drawing) of the vertical pole docking sleeve 100B, further stabilizing the firm docking of the hinge device 20 and the vertical pole 10.

[0086] In this way, a snap-on button is provided on the connector of the hinge device, which can further increase the stability of the docking between the entire outer column wall of the inner connection part and the inner wall of the vertical pole docking sleeve, in addition to the transitional docking of the entire outer column wall of the inner connection part and the inner wall of the vertical pole docking sleeve at a certain depth dimension. The elasticity of the snap-on button is used to further engage the slot of the docking sleeve through the buckle to further improve the stability of the clamping of the connector and the vertical pole. The snap-on button with its own elasticity is also more convenient for users to use.

[0087] In one or some optional embodiments, the axial elastic tongue 270 is provided with a first inclined surface 270 b that matches with the radial elastic snap-on cap 290 , and the radial elastic tongue 280 is provided with a second inclined surface 280 b that matches with the axial elastic tongue 270 .

[0088] Specifically, Figure 8 , Fig.12 As shown, the axial elastic tongue 270 is provided with a first inclined surface 270b which cooperates with the radial elastic snap-on cap 290, and the radial elastic tongue 280 is provided with a second inclined surface 280b which cooperates with the axial elastic tongue 270. The first inclined surface 270b abuts against the second inclined surface 280b. Through the cooperation of the first inclined surface 270b and the second inclined surface 280b, the radial elastic tongue 280 can be movably extended and retracted in the rotating hinge housing 20B1.

[0089] Specifically, in the application process of this embodiment, if Fig.12 As shown, under the elastic force of the second spring 270a, the first inclined surface 270b is abutted against the second inclined surface 280b, and the radial elastic tongue 280 extends out of the rotating hinge body shell 20B1 and locks with the tractor 30 to realize the connection between the hinge device and the tractor 30, and the docking end cover 220 is connected to the vertical pole 10, thereby realizing the connection between the vertical pole 10 and the tractor 30, and the water circuit and the circuit in the floor scrubber are connected through the water inlet and outlet pipe interfaces on the docking end cover 220 and the docking terminal 220b. When the hinge device is maintained and replaced, the vertical pole 10 is bent backwards, The radial elastic tongue 280 is freed from the constraint under the action of external force, and is against the tractor head 30, and moves upward under the action of the first spring 280a. The second inclined surface 280b is against the first inclined surface 270b. Through the cooperation between the first inclined surface 270b and the second inclined surface 280b, when the radial elastic tongue 280 moves upward, the second spring 270a of the axial elastic tongue 270 can be compressed, and then the radial elastic tongue 280 is retracted into the rotating hinge body shell 20B1, thereby realizing the disassembly of the hinge device 20 and the tractor head 30. The design is reasonable and the use is stable.

[0090] In one or some optional embodiments, the rotating hinge housing 20B1 includes a front cover 240 and a rear cover 250, and the front cover 240 and the rear cover 250 are respectively disposed on two sides of the lower end of the exposed portion 210a.

[0091] Specifically, Figures 7 to 12 As shown, the front cover 240 and the rear cover 250 are installed together, and four studs (not marked in the drawings) are provided in the front cover 240. The front cover 240 and the rear cover 250 are installed together by the four studs, and can also be connected by snaps. The utility model does not limit the connection method of the front cover 240 and the rear cover 250, and the front cover 240 and the rear cover 250 are respectively clamped on both sides of the exposed part 210a for easy installation.

[0092] Further, such as Figure 8 , Fig.12As shown, the front cover 240 is provided with an opening (not shown in the drawing) for the radial elastic tongue 280 to extend and retract, and the protrusion 290c is used to limit the movement of the locking tongue portion 290b in the opening, thereby preventing the limiting portion 290a from moving up and down in the front cover 240. The design is reasonable and the use is more stable.

[0093] Further, such as Figure 7 , Figures 9 to 11 As shown, after the front cover 240 and the rear cover 250 are assembled, a rotation shaft P is formed on both sides, and the rotation shaft P is clamped in the tractor 30 to realize the hinge device being hinged in the tractor 30. The rotation shaft P allows the hinge device 20 to be well transmitted to the front or rear of the tractor 30 through the rotation shaft P when the rotating hinge body 20B is rotating with the tractor 30. The hinge device 20 and the tractor 30 are hinged at any angle.

[0094] In this way, the rotating hinge body shell of the hinge device includes a front cover and a rear cover that are interlocked, and the interlocking and split structure facilitates easy disassembly and assembly of the front cover and the rear cover. Both sides of the shell of the front cover and the rear cover protrude outward and are formed with a rotating shaft, so that when the rotating hinge body cooperates with the tractor, the hinge device and the tractor are articulated at any angle and can well transmit thrust or pulling force to the front or rear of the tractor through the rotating shaft. The interlocking and split structure also facilitates the front cover and the rear cover to be fastened after the water pipes and circuit lines are connected inside the hinge device, which is convenient and quick.

[0095] In the second aspect, the utility model provides an embodiment of a floor scrubber, which includes a tractor head 30, a vertical pole 10, and the hinge device 20 described in the first aspect. The utility model connects and fixes the vertical pole 10 and the tractor head 30 to each other through the hinge device 20, and integrates the power supply, circuit, water circuit and control panel inside the vertical pole 10, thereby reducing the overall volume of the equipment and improving the protection and convenience of installation and disassembly; at the same time, the connection channel between the vertical pole 10 and the hinge device 20 contains the circuit line and water channel connecting the water pump and the hinge body; during installation, the user only needs to simply correctly fit and install the hinge device 20 and the tractor head 30, and then dock the rod body 10 with the hinge device 20, so as to simply and efficiently install the entire floor scrubber.

[0096] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or partial structures in one or more embodiments can be replaced or combined by equivalent means, and these modifications or replacements or combinations do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the utility model, unless the embodiment explicitly excludes the possibility of replacing or combining structures in different embodiments, or this replacement or combination is contrary to the overall concept of the utility model.

[0097] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

Claims

1. A hinge device for connecting the tractor head and the vertical pole of a floor scrubber, wherein a water pump and a battery are arranged in the vertical pole, characterized in that: The hinge device comprises: A rotating articulated body, articulated with the tractor head; A connector, one end of which is clamped with the vertical rod, and the other end of which is rotatably clamped with the rotating hinge body at a bending angle; The tractor head, the vertical rod, the connecting body and the rotating hinge body are provided with pipelines connected to the water pump and wires electrically connected to the battery and the water pump.

2. The hinge device according to claim 1, characterized in that: The connector comprises: An exposed portion, the surface of which is exposed and located between the vertical rod and the rotating hinge body; The inner connecting part has a butt end cap fixedly connected to its end. When the floor scrubber is connected, the inner connecting part is shielded inside the vertical pole.

3. The hinge device according to claim 2, characterized in that: The butt end cover is provided with an inlet and outlet water pipe interface and a connector, the inlet and outlet water pipe interface is connected to the water inlet and outlet of the water pump, and the connector is electrically connected to the wire in the vertical pole.

4. The hinge device according to claim 3, characterized in that: The butt end cover is also provided with a sealing soft rubber sleeve, and the sealing soft rubber sleeve is provided with slots matching the inlet and outlet water pipe interfaces and the connector.

5. The hinge device according to claim 2, characterized in that: The rotating hinge body comprises: A rotating hinge body shell is clamped at the lower end of the exposed portion; The locking tongue assembly is arranged in the housing of the rotating hinge body and is clamped with the tractor head.

6. The hinge device according to claim 5, characterized in that: The locking tongue assembly comprises: A radial elastic tongue, which can be extended and retracted in the rotating hinge housing; An axial elastic tongue, arranged above the radial elastic tongue; A radial limiting cover of the latch tongue, arranged outside the radial elastic tongue; The radial elastic snap-on cap is arranged at the bottom of the radial elastic tongue.

7. The hinge device according to claim 6, characterized in that: The outer part of the radial elastic tongue is sleeved with a first spring, and the first spring is located between the radial limiting cover of the clamping tongue and the radial elastic clamping cap.

8. The hinge device according to claim 7, characterized in that: Second springs are arranged on both sides of the axial elastic tongue.

9. The hinge device according to claim 7, characterized in that: The radial elastic snap-on cap comprises: A limiting portion, used for limiting the first spring, one end of the first spring is located in the limiting portion; The lock tongue portion has a protrusion on one side facing outward.

10. The hinge device according to claim 9, characterized in that: A through hole is arranged at the center of the limiting portion, the locking tongue portions extend downward along both sides of the through hole and are symmetrically arranged, and the radial elastic tongue is extended and retracted through the through hole.

11. The hinge device according to claim 1, characterized in that: The connector is provided with a snap-on button to achieve snap-on connection between the connector and the vertical pole.

12. The hinge device according to claim 6, characterized in that: The axial elastic tongue is provided with a first inclined surface matched with the radial elastic clamping cap, and the radial elastic tongue is provided with a second inclined surface matched with the axial elastic tongue.

13. The hinge device according to claim 5, characterized in that: The rotating hinge body shell comprises a front cover and a rear cover which are mounted in correspondence with each other, and the front cover and the rear cover are respectively clamped on two sides of the lower end of the exposed part.

14. The hinge device according to claim 13, characterized in that: After the front cover and the rear cover are assembled and installed, a rotating shaft is formed on both sides, and the rotating shaft is clamped in the mop head of the floor scrubber.

15. A floor scrubber, characterized in that: The invention comprises a tractor head, a vertical pole and a hinge device as claimed in any one of claims 1 to 14.

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