Floor brush structure for cleaning equipment

Abstract

The utility model belongs to the technical field of cleaning appliances, and discloses a floor brush structure for cleaning equipment, which comprises a mounting seat, a rolling brush, a driving component and a connecting piece, the driving assembly is arranged on the mounting seat and is in meshed connection with the first end of the rolling brush; the connecting piece is clamped to the mounting base in the axial direction of the rolling brush and is rotationally connected with the second end of the rolling brush; the handle has a first state of retracting into the rolling brush and a second state of extending out of the rolling brush in the axial direction of the rolling brush. According to the floor brush structure for the cleaning equipment, the handle can be retracted into the rolling brush when the cleaning equipment normally works, so that a limited space is effectively cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning appliance technical field especially relates to a ground brush structure for cleaning equipment. BACKGROUND

[0002] Most of the existing dust collector, floor washing machine and other cleaning equipment are configured with ground brush structure, which can rotate and wipe the surface to be cleaned during the cleaning process to enhance the cleaning effect. After using the cleaning equipment, in order to ensure that the components in the ground brush structure contacting with water, i.e. the roller brush, can be effectively dried, and to avoid breeding bacteria, it is usually necessary to disassemble the roller brush from the mounting seat in the ground brush structure in order to complete the cleaning and maintenance work.

[0003] The end of the roller brush is usually provided with a handle to facilitate the application of force to the roller brush when disassembling the roller brush. However, the setting of the handle increases the occupied space of the entire ground brush structure in the axial direction of the roller brush, which may affect the cleaning effect when using the cleaning equipment to clean narrow spaces or positions close to the wall. SUMMARY

[0004] The utility model aims at providing a ground brush structure for cleaning equipment to solve the problem of large space occupied by the handle affecting the cleaning effect.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The ground brush structure for cleaning equipment comprises a mounting seat, a roller brush, a driving assembly and a connecting piece. The driving assembly is arranged on the mounting seat and is in meshing connection with the first end of the roller brush. The connecting piece is in clamping connection with the mounting seat along the axial direction of the roller brush and is in rotary connection with the second end of the roller brush. The handle has a first state of retracting into the roller brush and a second state of extending out of the roller brush along the axial direction of the roller brush.

[0007] Optionally, the roller brush comprises a roller brush body, a first end cover and a second end cover. The roller brush body is arranged in a hollow cylindrical structure. The first end cover and the second end cover are respectively sealed at the first end and the second end of the roller brush body. The driving assembly is in meshing connection with the first end cover, and the connecting piece is in rotary connection with the second end cover. The second end cover is provided with a receiving groove. The handle in the first state is located in the receiving groove.

[0008] Optionally, the connecting piece comprises a groove body and a clamping spring. The clamping spring is clamped to the mounting seat, and the groove body is located in the roller brush. The handle in the first state is located in the mounting groove formed on the groove body. The roller brush comprises a connecting shaft. One end of the connecting shaft is fixedly connected to the roller brush, and the other end penetrates into the mounting groove and is axially limited by a clamping spring.

[0009] Optionally, the rolling brush further comprises a clamping block sleeved on the connecting shaft, a side of the groove portion away from the mounting groove is provided with a plurality of elastic clamping claws, the plurality of elastic clamping claws are surrounded to form a clamping groove seat, and the clamping block is limited in the clamping groove seat and can rotate relative to the connecting piece.

[0010] Optionally, the cleaning equipment floor brush structure further comprises a reset member configured to make the handle have a tendency to keep the first state.

[0011] Optionally, the reset member is a spring, and the spring is elastically connected between the handle and the connecting piece.

[0012] Optionally, the spring is a compression spring, the handle comprises a handle body, a guide portion and a limiting portion, the guide portion is fixedly connected with the handle body, the connecting piece is provided with a stepped guide hole, the guide portion is slidably arranged in the stepped guide hole, the spring is sleeved on the guide portion and abuts on a step formed by the stepped guide hole, the limiting portion is arranged at an end of the guide portion away from the handle body, and an outer diameter of the limiting portion is greater than an inner diameter of the spring.

[0013] Optionally, the limiting portion is threadedly connected with the guide portion.

[0014] Optionally, the spring is a tensile spring, the handle comprises a handle body and a guide portion, the guide portion is connected with the handle body, the connecting piece is provided with a guide hole, the guide portion is slidably arranged in the guide hole, the tensile spring is sleeved on the guide portion, one end of the tensile spring is connected with the connecting piece, and the other end of the tensile spring is connected with the guide portion.

[0015] Optionally, the handle body comprises a mounting portion and a force applying portion, the mounting portion is in an arc shape, the force applying portion and the guide portion are arranged at two axial ends of the mounting portion respectively, the force applying portion is arranged at an angle with the mounting portion, and an inner concave arc surface is arranged on a side of the force applying portion away from the guide portion.

[0016] The cleaning equipment floor brush structure provided in the utility model has the first state of retracting the rolling brush and the second state of extending the rolling brush, the handle is in the first state when the cleaning equipment normally works, the handle does not affect the cleaning of a narrow space or a position close to a wall by the cleaning equipment using the floor brush structure, the handle can quickly detach the floor brush from the mounting seat when the handle is in the second state, and the handle is convenient to detach. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional structure schematic view of the cleaning equipment floor brush structure in the utility model embodiment.

[0018] Figure 2 is a side view of the ground brush structure for the cleaning equipment in the embodiment of the utility model;

[0019] Figure 3 is Figure 2 the cross section view along A-A direction in it;

[0020] Figure 4 is Figure 3 the enlarged schematic view at B in it;

[0021] Figure 5 is the assembly structure schematic view of one angle of the handle and the second end cover;

[0022] Figure 6 is the assembly structure schematic view of another angle of the handle and the second end cover;

[0023] Figure 7 is the explosion structure schematic view of the handle and the second end cover;

[0024] Figure 8 is Figure 2 the cross section view along C-C direction in it;

[0025] Figure 9 is Figure 8 the enlarged schematic view at D in it;

[0026] Figure 10 is the structure schematic view of the mounting seat.

[0027] In the figure:

[0028] 1, mounting seat; 11, slot; 12, clamping hole; 2, roller brush; 21, roller brush body; 22, second end cover; 23, connecting shaft; 24, clamping spring; 25, clamping block; 26, first end cover; 3, handle; 31, mounting part; 32, force applying part; 33, guide part; 4, driving assembly; 41, driving shaft; 5, connecting piece; 51, groove part; 511, stepped guide hole; 52, extension part; 53, plug-in part; 54, clamping elastic sheet; 55, elastic clamping jaw; 6, reset piece. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the utility model, and not limit the utility model. In addition, it needs to be explained that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0030] In the description of the utility model, unless another definite provision and limitation, the term "connect", "connection", "fixed" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two elements of the interaction relationship.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0031] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the first feature horizontal height is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the first feature horizontal height is less than the second feature.

[0032] In the description of the embodiment, the terms "on", "under", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawing, only for the convenience of description and simplification operation, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0033] The embodiment proposes a cleaning device ground brush structure, the cleaning device can be a dust collector, a floor washing machine, a window cleaning machine and the like, but is not limited to this.The cleaning device includes a cleaning device ground brush structure and a host, and the cleaning device ground brush structure is installed on the host.Referring to Figures 1-10 As shown, the cleaning device ground brush structure includes a mounting seat 1, a roller brush 2, a connecting piece 5, a handle 3 and a driving assembly 4, the first end of the roller brush 2 is engagedly connected with the driving assembly 4 arranged on the mounting seat 1, the driving assembly 4 can drive the roller brush 2 to rotate around its own axis, the second end of the roller brush 2 is rotationally connected with the mounting seat 1 through the connecting piece 5, the connecting piece 5 is clamped with the mounting seat 1 along the axial direction of the roller brush 2 (that is, by applying a force along the axial direction of the roller brush 2 to the roller brush 2, the roller brush 2 can be separated from the mounting seat 1), the handle 3 has a first state of retracting into the roller brush 2 and a second state of extending out of the roller brush 2 along the axial direction of the roller brush 2.

[0034] The cleaning equipment ground brush structure has the following advantages: the handle 3 is arranged at one end of the roller brush 2 in the axial direction, and the handle 3 is located inside the roller brush 2 during normal operation of the cleaning equipment, thereby not occupying extra space and not affecting the cleaning effect of the cleaning equipment in a narrow space; when the roller brush 2 needs to be detached from the mounting seat 1, the handle 3 is pulled outward along the axial direction of the roller brush 2, and at this time, the roller brush 2 can be synchronously separated from the mounting seat 1, thereby simplifying the dismounting process of the roller brush 2.

[0035] Specifically, the roller brush 2 comprises a roller brush body 21, a first end cover 26 and a second end cover 22, the roller brush body 21 is arranged in a hollow cylindrical structure, the first end cover 26 and the second end cover 22 are arranged at the first end and the second end of the roller brush body 21 respectively, the driving assembly 4 is rotationally connected with the roller brush 2 through the first end cover 26, the connecting piece 5 is rotationally connected with the roller brush 2 through the second end cover 22, the second end cover 22 is provided with a receiving groove, and the handle 3 in the first state is located in the receiving groove.

[0036] Reference Figures 2-6 In order to minimize the volume of the entire cleaning equipment ground brush structure, the connecting piece 5 comprises a groove body 51, the groove body 51 is located in the receiving groove, and the handle 3 in the first state is located in the mounting groove formed on the groove body 51, and the roller brush 2 further comprises a connecting shaft 23, one end of the connecting shaft 23 is fixedly connected with the second end cover 22, and the other end of the connecting shaft 23 penetrates into the mounting groove formed in the groove body 51 and is axially limited by a snap spring 24.

[0037] Specifically, the connecting piece 5 further comprises an extension 52, a clamping elastic sheet 54 and a plug-in part 53, one end of the extension 52 is connected with the groove body 51, the other end of the extension 52 extends along a direction perpendicular to the axial direction of the roller brush 2 and is connected with the plug-in part 53 and the clamping elastic sheet 54, the clamping elastic sheet 54 is arranged in a spaced manner with the plug-in part 53, and the clamping elastic sheet 54 is provided with a protrusion perpendicular to the axial direction of the roller brush 2, the mounting seat 1 is provided with a plug-in groove 11 for inserting the plug-in part 53, and the plug-in groove 11 is provided with a clamping hole 12 for clamping the clamping elastic sheet 54. When the connecting piece 5 moves along the axial direction of the roller brush 2 to the mounting seat 1, the plug-in part 53 is inserted into the plug-in groove 11, the clamping elastic sheet 54 is extruded and deformed and enters the clamping hole 12, and the protrusion limits the clamping elastic sheet 54 from being separated from the mounting seat 1; when the user pulls the handle 3 outward along the axial direction of the roller brush 2, the protrusion is extruded and deformed and separated from the clamping hole 12 under the action of external force, and the roller brush 2 is separated from the mounting seat 1 together with the connecting piece 5.

[0038] More specifically, the roller brush 2 further comprises a clamping block 25 sleeved on the connecting shaft 23, one side of the groove body 51 away from the mounting groove is provided with a plurality of elastic clamping claws 55, the plurality of elastic clamping claws 55 are combined to form a clamping groove seat, the clamping block 25 is clamped in the clamping groove seat and can rotate relative to the connecting piece 5, and the arrangement of the clamping block 25 and the clamping groove seat further improves the stability of the rotational connection between the connecting piece 5 and the roller brush 2.

[0039] refer to Figure 3 and Figure 10 As shown, in order to achieve the meshing connection between the drive assembly 4 and the roller brush 2, a connecting groove is formed on the end of the first end cover 26 facing away from the handle 3. Multiple first limiting teeth are arranged circumferentially on the groove wall of the connecting groove, and a limiting groove is formed between adjacent first limiting teeth. The drive shaft 41 of the drive assembly 4 is provided with second limiting teeth that correspond one-to-one with the limiting grooves. The second limiting teeth are inserted into the limiting groove along the axial direction of the roller brush 2 to achieve circumferential limiting with the roller brush 2, thereby driving the roller brush 2 to rotate around its own axis.

[0040] To prevent the handle 3 from interfering with the cleaning process, the handle 3 tends to remain in the first state, only changing to the second state when the roller brush 2 needs to be disassembled. Specifically, the floor brush structure for the cleaning equipment also includes a reset member 6, which can be a magnetic or elastic member, to ensure that the handle 3 tends to remain in the first state.

[0041] In this embodiment, the reset element 6 is a spring, which, through connection with the connecting element 5, achieves an elastic connection between the handle 3 and the roller brush 2. Specifically, the spring can be a compression spring. Figure 4 and Figure 5 As shown, the handle 3 includes a handle body and a guide portion 33. The handle body further includes a mounting portion 31 and a force-applying portion 32. The mounting portion 31 is arc-shaped, and the force-applying portion 32 is fixed to one axial end of the mounting portion 31 and is set at an angle to the mounting portion 31, for example, 90°. The side of the force-applying portion 32 away from the mounting portion 31 is set as a concave arc-shaped surface to improve the comfort of using the handle 3. The guide portion 33 is connected to the other axial end of the mounting portion 31 and extends along the axial direction of the roller brush 2. The groove portion 51 has a stepped guide hole 511 that extends through it axially. The guide portion 33 slides through the stepped guide hole 511, and a spring is sleeved on the guide portion 33 and abuts against the step formed by the stepped guide hole 511. When the guide part 33 moves outward from the second end cover 22 along the direction of the step guide hole 511, the spring is compressed and accumulates elastic potential energy. When the handle 3 loses the pull of the external force, under the action of the elastic potential energy of the spring, the handle body retracts back into the second end cover 22.

[0042] Specifically, to prevent the spring from detaching from the guide portion 33, a limiting portion (not shown in the figure) is provided at the end of the guide portion 33 away from the handle body. The outer diameter of the limiting portion is larger than the inner diameter of the spring, thereby restricting the spring from detaching from the guide portion 33. In this embodiment, the limiting portion is a limiting screw, which is threadedly connected to the guide portion 33 to reduce the difficulty of fitting the spring onto the guide portion 33.

[0043] More specifically, in this embodiment, two guide portions 33 are provided at intervals, and correspondingly, two step guide holes 511 and two springs are also provided to further improve the stability of the handle 3 moving axially relative to the roller brush 2.

[0044] Alternatively, the spring can also be a tension spring, in which case the pull handle 3 comprises a pull handle body and a guide portion 33 connected to the pull handle body and extending in the axial direction of the roller brush 2. The slot body portion 51 is axially provided with a guide hole, and the guide portion 33 is slidably arranged in the guide hole. Different from the compression spring, the tension spring is arranged around the guide portion 33, with one end connected to the connecting piece 5 and the other end connected to the guide portion 33. When the guide portion 33 moves out of the second end cover 22 in the direction of the guide hole, the tension spring is stretched and accumulates elastic potential energy. When the pull handle 3 loses the external pulling force, the pull handle body is retracted into the second end cover 22 under the action of the elastic potential energy of the spring.

[0045] Obviously, the above embodiments of the present application are merely illustrative, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A floor brush structure for a cleaning apparatus, characterized by, The cleaning device ground brush structure comprises: a mounting seat (1); a rolling brush (2); a driving assembly (4) provided on the mounting seat (1) and engaged with a first end of the rolling brush (2); a connecting piece (5) clamped on the mounting seat (1) along the axial direction of the rolling brush (2) and rotationally connected with a second end of the rolling brush (2); a handle (3) having a first state of retracting into the rolling brush (2) and a second state of extending out of the rolling brush (2) along the axial direction of the rolling brush (2).

2. The floor brush structure for cleaning equipment according to claim 1, wherein The rolling brush (2) comprises a rolling brush body (21) provided as a hollow cylindrical structure, a first end cover (26) and a second end cover (22) respectively sealing the first end and the second end of the rolling brush body (21), the driving assembly (4) is engaged with the first end cover (26), the connecting piece (5) is rotationally connected with the second end cover (22), and the second end cover (22) is provided with a receiving groove, and the handle (3) in the first state is located in the receiving groove.

3. The floor brush structure for cleaning equipment according to claim 1, wherein The connecting piece (5) comprises a groove body (51) and a clamping spring (54), the clamping spring (54) is clamped on the mounting seat (1), the groove body (51) is located in the rolling brush (2), the handle (3) in the first state is located in a mounting groove formed on the groove body (51), the rolling brush (2) comprises a connecting shaft (23), one end of the connecting shaft (23) is fixedly connected with the rolling brush (2), and the other end penetrates into the mounting groove and is axially limited by a clamping spring (24).

4. The floor brush structure for cleaning equipment according to claim 3, wherein The rolling brush (2) further comprises a clamping block (25) sleeved on the connecting shaft (23), a side of the groove body (51) away from the mounting groove is provided with a plurality of elastic clamping claws (55), the plurality of elastic clamping claws (55) are enclosed to form a clamping groove seat, the clamping block (25) is limited in the clamping groove seat and can rotate relative to the connecting piece (5).

5. The floor brush structure for cleaning equipment according to claim 1, wherein The cleaning device ground brush structure further comprises a reset member (6) configured to make the handle (3) have a tendency to maintain the first state.

6. The floor brush structure for cleaning equipment according to claim 5, wherein The reset member (6) is a spring, and the spring elastically connects the handle (3) and the connecting piece (5).

7. The floor brush structure for cleaning equipment according to claim 6, wherein The spring is a compression spring, the handle (3) comprises a handle body, a guide portion (33) and a limiting portion, the guide portion (33) is fixedly connected with the handle body, the connecting piece (5) is provided with a stepped guide hole (511) penetrating through, the guide portion (33) is slidably arranged in the stepped guide hole (511), the spring is sleeved on the guide portion (33) and abuts on a step formed by the stepped guide hole (511), and the limiting portion is arranged at an end of the guide portion (33) away from the handle body, and an outer diameter of the limiting portion is greater than an inner diameter of the spring.

8. The floor brush structure for cleaning equipment according to claim 7, wherein The limiting portion is threadedly connected with the guide portion (33).

9. The floor brush structure for cleaning equipment according to claim 6, wherein The spring is a tension spring, the handle (3) comprises a handle body and a guide portion (33), the guide portion (33) is connected to the handle body, the connecting piece (5) is provided with a guide hole, the guide portion (33) is slidably arranged in the guide hole, the tension spring is sleeved on the guide portion (33), and one end of the tension spring is connected with the connecting piece (5), and the other end of the tension spring is connected with the guide portion (33).

10. A floor brush structure for cleaning equipment according to any one of claims 7-9, characterized in that The handle body comprises a mounting portion (31) and a force applying portion (32), the mounting portion (31) is in the shape of a circular arc, the force applying portion (32) and the guide portion (33) are respectively arranged at the two axial ends of the mounting portion (31), and the force applying portion (32) is arranged at an angle with the mounting portion (31), and an arc-shaped concave surface is arranged on the side, away from the guide portion (33), of the force applying portion (32).

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