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 rotating hinge body and a connecting body, the rotating hinge body is hinged with a mopping head of the scrubber; one end of the connector is clamped with a vertical rod of the scrubber, and the other end of the connector is rotationally clamped with the rotary hinge body at a bending angle; and the vertical rod is clamped with the connecting body, so that the vertical rod is connected with a waterway and a circuit of the mop head. 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

[0001] This application is a divisional application of Chinese Patent Application No. 202420857277.5, with an application date of April 23, 2024, and an invention title of "A Hinge Device and a Floor Scrubber", the content of which is incorporated herein by reference. Technical Field

[0002] The utility model relates to the technical field of cleaning equipment, and particularly to a hinge device and a floor scrubber. Background Art

[0003] In the early days, the floor cleaning tools used by people were brooms, mops, floor scrubbers, etc. These tools mainly relied on manual operations by people to complete the cleaning work. With the progress of technology, people's requirements for floor cleaning tools have gradually increased. First, vacuum cleaners appeared, which rely on electric power supply and generate negative pressure to suck up garbage, dust, etc. on the ground. Classified by the cleaning means and the flow paths of small-particle and large-particle garbage, this type of technology is usually classified as the air-dust circulation technology. However, due to the limitations of its working principle, the vacuum cleaner cannot clean some garbage and stains firmly attached to the ground. Therefore, a new "water-dust circulation" floor scrubber has emerged, which drives a cleaning cylinder to wipe the ground through the operation of a motor. At the same time, a water supply system and a water tank are also equipped in the floor cleaner to clean the cleaning cylinder, thereby perfectly achieving the cleaning of the ground.

[0004] In the prior art, for example, Chinese Utility Model Patent No. CN217447618U discloses a floor scrubber, which relates to the technical field of floor scrubbers. Specifically, it includes a handle, a hollow connecting rod, a floor scrubber main body, a water tank, a lithium battery assembly, a sewage recovery tank, a cleaner, and a base. The bottom of the handle is fixedly connected to the top of the hollow connecting rod. The side of the hollow connecting rod away from the handle is fixedly connected to the floor scrubber main body. The side of the floor scrubber main body away from the hollow connecting rod is fixedly connected with a vertical rod docking sleeve, and the side of the vertical rod docking sleeve away from the floor scrubber main body is fixedly connected with a vertical rod docking sleeve; through the cooperatively designed concave-shaped slot and the independently designed movable plug board, the movable buckle on both sides can make the movable buckle be stuck in the concave-shaped slot to complete the fixation and sealing. At the same time, the design method of the movable buckle can minimize the damage to the buckle during its operation, and when the movable buckle of the movable plug board is damaged and cannot be used, only the movable plug board can be replaced.

[0005] In the above solution, a vertical rod docking sleeve is fixedly connected to the side of the floor washing machine body away from the hollow connecting rod, and a cleaning device is fixedly connected to the side of the vertical rod docking sleeve away from the floor washing machine body, realizing the connection between the floor washing machine body and the cleaning device. In the existing "water and dust circulation" floor washing machine, the hinge device is arranged at the joint of the floor washing machine body and the mop head, inevitably occupying a relatively large volume. At the same time, in order to enable the battery assembly, control system, and water pump configured in the body to provide power source, control signal, and conveying pipeline to the mop head through the hinge device, users have to be extremely careful not to damage the already completed circuit connection and water connection when maintaining the hinge device of the floor washing machine, resulting in low efficiency in maintenance and replacement. Utility Model Content

[0006] The main technical problem to be solved by the present utility model is to provide a hinge device for a floor washing machine, so as to improve the efficiency of maintenance and replacement of the hinge device of the floor washing machine. The present utility model realizes water connection and circuit connection by arranging a water pump circulation connection pipeline of the floor washing machine and a circuit connecting the water pump and the power supply in the hinge device. When maintaining and replacing the hinge device of the floor washing machine, the water circuit and the circuit will not be damaged.

[0007] In order to achieve the above object, the present utility model adopts the following technical solutions:

[0008] In the first aspect, the present utility model provides a hinge device, including:

[0009] A rotating hinge body, hinged to the mop head of the floor washing machine;

[0010] A connecting body, one end of which is clamped to the vertical rod of the floor washing machine, and the other end is rotatably clamped to the rotating hinge body at a bending angle;

[0011] Among them, the clamping of the vertical rod and the connecting body also realizes the water circuit and circuit connection between the vertical rod and the mop head.

[0012] In one or some alternative embodiments, a water pump and a battery are arranged in the vertical rod, and pipelines connecting the water pump and wires electrically connected to the battery and the water pump are arranged in the mop head, vertical rod, connecting body, and rotating hinge body.

[0013] In one or some alternative embodiments, the connecting body includes:

[0014] An exposed part, the surface of which is exposed and located between the vertical rod and the rotating hinge body;

[0015] An internal connection part, the end of which is fixedly connected with a docking end cover. When the floor washing machine is completed with the connection, the internal connection part is shielded inside the vertical rod.

[0016] In one or some alternative embodiments, the docking end cover is provided with water inlet and outlet pipe interfaces and a connector. The water inlet and outlet pipe interfaces are connected to the water inlet and outlet of the water pump, and the connector is electrically connected to the wire inside the vertical rod.

[0017] In one or some alternative embodiments, the docking end cover is further provided with a sealing soft rubber sleeve, and the sealing soft rubber sleeve is provided with slots matching the water inlet and outlet pipe interfaces and the connector.

[0018] In one or some alternative embodiments, the rotating hinge body includes:

[0019] A rotating hinge body housing, which is clamped at the lower end of the exposed part;

[0020] A locking tongue assembly, which is arranged inside the rotating hinge body housing and is clamped with the towing head.

[0021] In one or some alternative embodiments, the locking tongue assembly includes:

[0022] A radial elastic tongue, which can be telescoped inside the rotating hinge body housing;

[0023] An axial elastic tongue, which is arranged above the radial elastic tongue;

[0024] A tongue radial limiting cover, which is arranged outside the radial elastic tongue;

[0025] A radial elastic clamping cap, which is arranged at the bottom of the radial elastic tongue.

[0026] In one or some alternative embodiments, a first spring is sleeved outside the radial elastic tongue, and the first spring is located between the tongue radial limiting cover and the radial elastic clamping cap.

[0027] In one or some alternative embodiments, second springs are arranged on both sides of the axial elastic tongue.

[0028] In one or some alternative embodiments, the radial elastic clamping cap includes:

[0029] A limiting part, which is used to limit the first spring, and one end of the first spring is located inside the limiting part;

[0030] A locking tongue part, with a protrusion arranged on the outward side.

[0031] In one or some alternative embodiments, a through hole is arranged at the center of the limiting part, the locking tongue part extends downward along both sides of the through hole and is symmetrically arranged, and the radial elastic tongue realizes telescoping through the through hole.

[0032] In one or some alternative embodiments, a clamping button is arranged on the connecting body to realize the clamping of the connecting body and the vertical rod.

[0033] In one or some alternative embodiments, a first inclined surface cooperating with the radial elastic snap cap is provided on the axial elastic tongue, and a second inclined surface cooperating with the axial elastic tongue is provided on the radial elastic tongue.

[0034] In one or some alternative embodiments, the rotating hinge body housing includes a front cover and a rear cover which are installed in an opposing manner, and the front cover and the rear cover are respectively clamped on both sides of the lower end of the exposed portion.

[0035] In one or some alternative embodiments, after the front cover and the rear cover are installed in an opposing manner, a rotating shaft is formed on both sides, and the rotating shaft is clamped in the floor washing machine mop head.

[0036] In one or some alternative embodiments, the hinge device is used to connect the mop head and the vertical rod.

[0037] In a second aspect, the present utility model provides a floor washing machine, including a mop head, a vertical rod, and the hinge device as described in the first aspect.

[0038] The beneficial effects of the present utility model are as follows:

[0039] The hinge device of the present utility model includes a rotating hinge body and a connecting body which are rotatably and snap-connected to each other. In the mop head, vertical rod, connecting body, and rotating hinge body of the floor washing machine, there are pipelines connecting to a water pump and wires electrically connected to a battery and the water pump. The hinge device is provided with a water inlet / outlet pipe interface and a docking terminal on the docking end cover. The water inlet / outlet pipe interface is connected to the water inlet / outlet pipe in the vertical rod, and the docking terminal is connected to the wire in the vertical rod, realizing the water connection and electrical connection inside the floor washing machine. A lock tongue assembly is provided inside the rotating hinge body housing. The hinge device is snap-connected to the floor washing machine mop head through the lock tongue assembly, facilitating maintenance and replacement of the hinge device of the floor washing machine without damaging the water circuit and electrical circuit, and improving the efficiency of maintaining and replacing the hinge device.

[0040] Other features and advantages of the present utility model will be described in the subsequent description, and some of them will be obvious from the description or understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures pointed out in the description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0042] Figure 1 Shows a perspective view of a floor washer configured with the hinge device of the present utility model;

[0043] Figure 2 Shows an exploded view of a floor washer configured with the hinge device of the present utility model;

[0044] Figure 3 Is Figure 1 A sectional view taken along the direction A in

[0045] Figure 4 Is Figure 3 A partially enlarged view at B in

[0046] Figure 5 Is the front view of the hinge device of the present utility model;

[0047] Figure 6 Is Figure 5 A sectional view taken along the direction C in

[0048] Figure 7 Is the perspective view of the hinge device of the present utility model;

[0049] Figure 8 Is the exploded view of the hinge device of the present utility model;

[0050] Figure 9 Is a schematic diagram of the hinge device of the present utility model installed on the vertical rod of the floor washer;

[0051] Figure 10 Is the exploded view of the hinge device of the present utility model installed on the vertical rod of the floor washer;

[0052] Figure 11 Is the front view of the hinge device of the present utility model after being installed on the vertical rod of the floor washer;

[0053] Figure 12 Is Figure 11 A sectional view taken along the direction D in

[0054] Explanation of reference numerals:

[0055] 10, vertical rod; 101, water pump; 101a, water inlet; 101b, water outlet; 103, flow sensor; 104, vertical rod docking terminal; 105, wire; 106, inlet and outlet pipe;

[0056] 20, hinge device;

[0057] 210a, exposed part; 210b, internal connection part;

[0058] 20A, connecting body;

[0059] 210. Connector body; 220. Docking end cap; 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;

[0060] 20B. Rotating hinge body;

[0061] 20B1. Rotating hinge body housing; 240. Front cover; 250. Rear cover;

[0062] 20B2. Lock tongue assembly; 260. Tongue radial limit cover; 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 snap cap; 290a. Limiting portion; 290b. Lock tongue portion; 290c. Protrusion;

[0063] 30. Tractor head;

[0064] 230. Snap button;

[0065] P. Rotating shaft;

[0066] 100. Vertical rod body; 100A. Inner support of vertical rod; 100B. Vertical rod docking sleeve; 100B1. Docking sleeve terminal seat; Detailed implementation mode

[0067] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0068] It should be noted that in the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "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", "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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0069] In a first aspect, as Figure 1-12 shown, the present utility model provides a hinge device 20 for a floor washer, which is used to connect the mop head 30 and the vertical rod 10 of the floor washer. A water pump 101 and a battery are provided inside the vertical rod, and a motor for driving the cleaning roller to rotate and a water tank are provided on the mop head. The water pump 101 transports the clean water in the water tank to the surface of the cleaning roller and then recovers the sewage on the surface of the cleaning roller back to the water tank. The hinge device 20 includes a rotating hinge body 20B and a connecting body 20A. The rotating hinge body 20B is hinged to the mop head 30; the connecting body 20A is detachably connected to the vertical rod 10. The connecting body 20A includes an exposed portion 210a, and the exposed portion 210a fixedly connects the connecting body 20A and the rotating hinge body 20B at an angle; the mop head 30, the vertical rod 10, the connecting body 20A and the rotating hinge body 20B accommodate pipelines connecting the water pump and the water tank and wires electrically connecting the battery, the water pump and the motor.

[0070] Thus, the hinge device for a floor washer of the present utility model includes a rotating hinge body and a connecting body. The rotating hinge body is hinged to the mop head of the floor washer; the connecting body is detachably connected to the vertical rod of the floor washer. 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 mop head, the vertical rod, the connecting body, and the rotating hinge body of the floor washer accommodate a water pipeline connecting a water pump and a water tank and electric wires electrically connecting a battery, a water pump, and a motor. The docking of the water pipeline and the electric wires built in the hinge device with the mop head and the vertical rod can be completed by a single mechanical docking. When maintaining and replacing the hinge device of the floor washer, the water circuit and the electric circuit will not be damaged, improving the efficiency of maintaining and replacing the hinge device. Compared with the prior art, the present utility model realizes the connection between the vertical rod and the mop head of the floor washer by setting the hinge device, not only reducing the volume occupied by the hinge device in the overall floor washer, but also accommodating a pipeline and a water pump for making the water circuit circulate and a circuit connecting the water pump, a power supply, and a control system in the connecting body and the rotating hinge body, realizing the water circuit connection and the electric circuit connection, facilitating the maintenance and replacement of the hinge device while not damaging the internal water circuit connection and electric circuit connection, and improving the maintenance and replacement efficiency of the hinge device.

[0071] In one or some alternative embodiments, as Figure 6 shown, the connecting body 20A of the hinge device 20 includes an exposed portion 210a and an inner connecting portion 210b. When the vertical rod 10, the hinge device 20, and the mop head 30 of the floor washer are connected, the surface of the exposed portion 210a is exposed and is between the vertical rod 10 and the rotating hinge body 20B; as Figure 9 , Figure 10 , Figure 12 shown, the entire outer column wall of the inner connecting portion 210b is in transitional fit with the inner wall of the vertical rod 10, and the columnar depth of the entire transitional fit is about twice the inner diameter of the inner wall of the vertical rod 10. In this way, the cooperation between the hinge device 20 and the vertical rod 10 in the axial direction can be kept stable and consistent, and the concentricity and stability of the cooperation between the two can be ensured;

[0072] Preferably, as Figures 6 to 8 shown, a docking end cover 220 is fixedly connected to the end of the inner connecting portion 210b. When the connection between the vertical rod 10 and the hinge device 20 is completed, the inner connecting portion 210b is blocked inside the vertical rod 10.

[0073] Preferably, the present utility model uses screws to fixedly connect the docking end cover 220 and the inner connecting portion 210b, and it is also possible to use a buckle or other means to realize the fixed connection between the docking end cover 220 and the inner connecting portion 210b. The present utility model does not make any limitation in this regard.

[0074] Specifically, as Figure 1 and Figure 2As shown, the connecting body 20A is used for detachable connection with the vertical rod 10; the rotating hinge body 20B is used for detachable connection with the towing head 30; the exposed part 210a is used for fixedly connecting the connecting body 20A and the rotating hinge body 20B at an angle, with a more reasonable design and in line with ergonomics; a connecting pipeline for connecting a water pump and a circuit for connecting the water pump and a power supply are accommodated in the connecting body 20A and the rotating hinge body 20B.

[0075] Further, as Figures 5 to 10 shown, an inlet and outlet water pipe interface and a docking terminal 220b are provided on the docking end cover 220. The inlet and outlet water pipe interface is connected to the inlet and outlet water pipes 106 inside the vertical rod 10, and the docking terminal 220b is electrically connected to the docking terminal 104 on the wire 105 inside the vertical rod 10, realizing the waterway connection and circuit connection inside the floor washer, with simple and convenient operation.

[0076] Specifically, as Figure 8 、 Figure 10 shown, the inlet and outlet water pipe interface includes a water outlet interface 220c and a water inlet interface 220d facing the inside of the connecting body 20A. The inlet and outlet water pipe interface further includes 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 in communication with the water outlet docking port 220c', and the water inlet interface 220d is in communication with the water inlet docking port 220d'. The inlet and outlet water pipes 106 include a water inlet pipe 106a and a water outlet pipe 106b. As Figure 10 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 interface (not marked in the drawing) on the vertical rod 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 interface (not marked in the drawing) on the vertical rod docking sleeve 100B; while the vertical rod docking sleeve 100B completes the mechanical docking with the connecting body 20A, it also completes the docking of the water inlet docking interface with the water inlet docking port 220d' and the docking of the water outlet docking interface with the water outlet docking port 220c', thus completing the docking of the hinge device 20 with the waterway pipeline inside the vertical rod 10.

[0077] Even further, as Figures 5 to 8 shown, a sealing soft rubber sleeve 220a is further provided on the docking end cover 220. The sealing soft rubber sleeve 220a is provided with slot holes matching the inlet and outlet water pipe interface and the docking terminal 220b, facilitating the realization of waterway connection and circuit connection. At the same time, the sealing soft rubber sleeve 220a also protects the docking end cover 220.

[0078] Thus, the connecting body of the hinge device is provided with interfaces that can achieve water pipeline docking and circuit line docking with the vertical rod. The rotating articulated body of the hinge device is also provided with a water pipeline and a circuit line for connecting the towing head, realizing the water connection and circuit connection inside the floor washer. Through the quick docking among the vertical rod, the hinge device, and the towing head, the operation is simple and convenient.

[0079] In one or some alternative embodiments, the rotating articulated body 20B includes a rotating articulated body housing 20B1 and a locking tongue assembly 20B2; the rotating articulated body housing 20B1 is clamped at the lower end of the exposed part 210a; the locking tongue assembly 20B2 is arranged inside the rotating articulated body housing 20B1, and the hinge device is clamped with the towing head 30 through the locking tongue assembly 20B2.

[0080] Specifically, as Figure 7 、 Figure 8 shown, the rotating articulated body housing 20B1 includes a front cover 240 and a rear cover 250 that are buckled with each other.

[0081] Specifically, as Figure 8 、 Figure 12 shown, the locking tongue assembly 20B2 includes an axially elastic tongue 270, a radially elastic tongue 280, a tongue radial limiting cover 260, and a radially elastic clamping cap 290; the axially elastic tongue 270 is arranged above the radially elastic tongue 280; the tongue radial limiting cover 260 is sleeved outside the radially elastic tongue 280; the radially elastic clamping cap 290 is arranged at the bottom of the radially elastic tongue 280; the radially elastic tongue 280 can be telescoped in the rotating articulated body housing 20B1 and cooperate with the towing head 30 to lock and make a clicking sound. The clicking sound helps the user judge whether the hinge device is completely and correctly locked with the towing head 30. When the hinge device is locked with the towing head 30, the vertical rod 10 can be freely rotated in any direction, with reasonable design and convenient for the user to use better.

[0082] Furthermore, as Figure 8 、 Figure 12 shown, a first spring 280a is sleeved outside the radially elastic tongue 280, and the first spring 280a is located between the tongue radial limiting cover 260 and the radially elastic clamping cap 290. Second springs 270a are arranged on both sides of the axially elastic tongue 280.

[0083] Furthermore, as Figure 8 、 Figure 12As shown, the radial elastic snap cap 290 includes a limiting portion 290a and a locking tongue portion 290b. The limiting portion 290a is used to limit the first spring 280a. One end of the first spring 280a is located within the limiting portion 290a, and the other end is located at the tongue radial limiting cover 260. Through the cooperation of the tongue radial limiting cover 260 and the radial elastic snap cap 290, the first spring 280a is fixed and limited, enabling the first spring 280a to expand and contract between the tongue radial limiting cover 260 and the radial elastic snap cap 290. A protrusion 290c is provided on the outer side of the locking tongue portion 290b facing outward.

[0084] Further, as Figure 8 shown, a through hole (not marked in the drawing) is provided at the center of the limiting portion 290a. The locking tongue portion 290b extends downward along both sides of the through hole and is symmetrically arranged. The radial elastic tongue 280 expands and contracts through the through hole.

[0085] In this way, the rotating articulated body of the hinge device includes a rotating articulated body housing and a locking tongue assembly. The rotating articulated body housing includes a front cover and a rear cover that are snap-fitted to each other. The locking tongue assembly includes an axial elastic tongue, a radial elastic tongue, a tongue radial limiting cover, and a radial elastic snap cap. The rotating articulated body housing is clamped at the lower end of the exposed portion of the upper connecting body. The locking tongue assembly is disposed within the rotating articulated body housing. The hinge device is clamped to the tow head through the locking tongue assembly. When the locking tongue assembly cooperates with the tow head to lock, a clicking sound can be emitted, which helps the user determine whether the hinge device is completely and correctly locked with the tow head. After the hinge device is locked with the tow head, the vertical rod can be freely rotated in any direction. The design is reasonable and convenient for the user to use better.

[0086] In one or some alternative embodiments, a snap key 230 is provided on the connecting body 20A to achieve the snap connection between the connecting body 20A and the vertical rod 10.

[0087] Specifically, in combination with Figures 8 - 12As shown, at the transition from the exposed portion 210a to the internal connection portion 210b of the connector 20A, a clamping button 230 is provided. The clamping button 230 is used to achieve the clamping connection between the connector 20A and the vertical rod 10. One end of the clamping button 230 close to the docking end cover 220 is provided with a hook (not marked in the drawing). The hook is exactly on the side of the step ring where the exposed portion 210a transitions to the internal connection portion 210b, close to the docking end cover 220, and is exactly on the outer cylindrical wall of the internal connection portion 210b. One end of the clamping button 230 close to the exposed portion 210a is provided with a clamping button body (not marked in the drawing). The outer surface of the clamping button body exactly forms an integral whole with the outer surface of the exposed portion 210a. Pressing the outer surface of the clamping button body, the outer surface of the clamping button body will sink below the outer surface of the exposed portion 210a. At the same time, the hook can also be below the outer cylindrical wall of the internal connection portion 210b.

[0088] Specifically, as Figure 3 , Figure 4 , Figures 8 to 12 shown, a vertical rod docking sleeve 100B is provided inside the vertical rod 10. First, the vertical rod docking sleeve 100B is sleeved on the connector 20A. Then, the water inlet and outlet pipe interface is connected to the water inlet and outlet pipe 106 inside the vertical rod 10, and the docking terminal 220b is connected to the wire 105 inside the vertical rod 10 to realize the waterway connection and circuit connection inside the floor washer. Finally, the vertical rod docking sleeve 100B is connected to the vertical rod 10, thereby realizing the detachable connection between the connector 20A and the vertical rod 10. The design is reasonable and the structure is more compact. After the hinge device 20 realizes the quick docking with the vertical rod 10 through the connector 20A, as Figure 12 shown, the buckle of the clamping button 230 is exactly buckled in the corresponding slot (not marked in the drawing) of the vertical rod docking sleeve 100B, further stabilizing the firm docking between the hinge device 20 and the vertical rod 10.

[0089] In this way, by providing a clamping button on the connector of the hinge device, the stability of the docking fit between the entire outer cylindrical wall except the internal connection portion and the inner wall of the vertical rod docking sleeve can be further increased in a certain depth dimension. The elastic clamping button further buckles the slot of the docking sleeve through the buckle to further improve the stability of the clamping connection between the connector and the vertical rod. The self - elastic clamping button also facilitates the user to use more conveniently.

[0090] In one or some alternative embodiments, a first inclined surface 270b that cooperates with the radial elastic clamping cap 290 is provided on the axial elastic tongue 270, and a second inclined surface 280b that cooperates with the axial elastic tongue 270 is provided on the radial elastic tongue 280.

[0091] Specifically, Figure 8 , Figure 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.

[0092] Specifically, in the application process of this embodiment, if Figure 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.

[0093] 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.

[0094] 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.

[0095] Further, such as Figure 8 , Figure 12As shown, the front cover 240 is provided with an opening (not marked in the drawings) for the radial elastic tongue 280 to expand and contract. The protrusion 290c is used to limit the movement of the locking tongue portion 290b within the opening, preventing the limiting portion 290a from moving up and down within the front cover 240. This design is reasonable and the use is more stable.

[0096] Further, as Figure 7 , Figures 9 to 11 shown, after the front cover 240 and the rear cover 250 are assembled and installed, a rotation shaft P is formed on both sides. The rotation shaft P is clamped in the towing head 30, realizing the hinge device being hinged within the towing head 30. The rotation shaft P enables the hinge device 20 to transmit thrust or pull force well to the front or rear of the towing head 30 in any angle of hinge between the rotation articulated body 20B and the towing head 30 during the rotation cooperation process.

[0097] In this way, the rotation articulated body housing of the hinge device includes a front cover and a rear cover that are snap - fitted to each other. The snap - fitted and split - open structure facilitates the easy disassembly and assembly of the front cover and the rear cover. On both sides of the outer shells of the front cover and the rear cover, there are outward protrusions and a rotation shaft is formed, which enables the hinge device to transmit thrust or pull force well to the front or rear of the towing head in any angle of hinge between the rotation articulated body and the towing head during the rotation cooperation process. The snap - fitted and split - open structure also facilitates the connection of the water pipeline and the circuit line inside the hinge device and then snapping the front cover and the rear cover together, which is convenient and fast.

[0098] In a second aspect, the present utility model provides an embodiment of a floor washer, which includes a towing head 30, a vertical rod 10, and the hinge device 20 described in the first aspect. The present utility model connects and fixes the vertical rod 10 and the towing head 30 to each other through the hinge device 20, and integrates and installs the power supply, circuit, water pipeline, and control board inside the vertical rod 10, reducing the overall volume of the device, and improving the protection and the convenience of installation and disassembly; meanwhile, the connection channel between the vertical rod 10 and the hinge device 20 houses the circuit line connecting the water pump and the hinge body as well as the water pipeline channel; during installation, the user only needs to simply and correctly fit and install the hinge device 20 and the towing head 30, and then connect the rod body 10 with the hinge device 20 to simply and efficiently install the entire floor washer.

[0099] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements, combinations on some structures in one or more embodiments, and these modifications, 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 present invention, unless the possibility of replacing or combining the structures in different embodiments is explicitly excluded in the embodiments, or this replacement or combination is contrary to the overall concept of the utility model.

[0100] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present application can be implemented. Therefore, they do not have technical substance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present application.

Claims

1. A hinge device, characterized in that, Comprising: A rotating hinge body, hinged to the mop head of the floor washer; A connecting body, with one end snap-connected to the vertical rod of the floor washer and the other end rotatably snap-connected to the rotating hinge body at a bent angle; Wherein, the snap connection between the vertical rod and the connecting body also realizes the connection of the water circuit and the electric circuit between the vertical rod and the mop head.

2. The hinge device according to claim 1, wherein, A water pump and a battery are provided inside the vertical rod, and pipelines connecting the water pump and wires electrically connected to the battery and the water pump are provided inside the mop head, the vertical rod, the connecting body and the rotating hinge body.

3. The hinge device according to claim 2, characterized in that, The connecting body includes: An exposed part, whose surface is exposed and located between the vertical rod and the rotating hinge body; An inner connecting part, with a docking end cover fixedly connected to its end, and when the floor washer is connected, the inner connecting part is shielded inside the vertical rod.

4. The hinge device according to claim 3, characterized in that, An inlet and outlet water pipe interface and a connector are arranged on the docking end cover, the inlet and outlet water pipe interface is connected to the inlet and outlet of the water pump, and the connector is electrically connected to the wire inside the vertical rod.

5. The hinge device according to claim 4, characterized in that, A sealing soft rubber sleeve is also arranged on the docking end cover, and slot holes matching the inlet and outlet water pipe interface and the connector are arranged on the sealing soft rubber sleeve.

6. The hinge device according to claim 3, characterized in that, The rotating hinge body includes: A rotating hinge body shell, clamped at the lower end of the exposed part; A locking tongue assembly, arranged inside the rotating hinge body shell and clamped with the mop head.

7. The hinge device according to claim 6, characterized in that, The locking tongue assembly includes: A radially elastic tongue, which can be telescoped inside the rotating hinge body shell; An axially elastic tongue, arranged above the radially elastic tongue; A tongue radial limiting cover, arranged outside the radially elastic tongue; A radially elastic clamping cap, arranged at the bottom of the radially elastic tongue.

8. The hinge device according to claim 7, characterized in that, A first spring is sleeved outside the radially elastic tongue, and the first spring is located between the tongue radial limiting cover and the radially elastic clamping cap.

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

10. The hinge device according to claim 8, characterized in that, The radially elastic clamping cap includes: A limiting part, used for limiting the first spring, and one end of the first spring is located inside the limiting part; A locking tongue part, with a protrusion arranged on the outward side.

11. The hinge device according to claim 10, characterized in that, A through hole is arranged at the center of the limiting part, the locking tongue part extends downward along both sides of the through hole and is symmetrically arranged, and the radially elastic tongue realizes telescoping through the through hole.

12. The hinge device according to claim 2, wherein, A clamping button is arranged on the connecting body to realize the snap connection between the connecting body and the vertical rod.

13. The hinge device according to claim 7, characterized in that, A first inclined surface cooperating with the radially elastic clamping cap is arranged on the axially elastic tongue, and a second inclined surface cooperating with the axially elastic tongue is arranged on the radially elastic tongue.

14. The hinge device according to claim 6, characterized in that, The rotating hinge body shell includes a front cover and a rear cover which are installed in a butted manner, and the front cover and the rear cover are respectively clamped on both sides of the lower end of the exposed part.

15. The hinge device according to claim 14, characterized in that, After the front cover and the rear cover are installed in a butted manner, a rotating shaft is formed on both sides, and the rotating shaft is clamped inside the mop head of the floor washer.

16. The hinge device according to any one of claims 1 to 15, characterized in that, The hinge device is used to connect the mop head and the vertical rod.

17. A floor washer, characterized in that, Comprising a mop head, a vertical rod and the hinge device according to any one of claims 1-16.

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