CN116369661A

CN116369661A - Electric cleaning brush

Info

Publication number: CN116369661A
Application number: CN202310527234.0A
Authority: CN
Inventors: 麦泳; 王荣
Original assignee: Zhongshan Chunkai Electric Appliance Co ltd
Current assignee: Zhongshan Chunkai Electric Appliance Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-07-04

Abstract

The invention discloses an electric cleaning brush, which comprises a machine head assembly, a control handle, a lock piece and a base; the machine head assembly and the base are respectively connected to two ends of the control handle, and the machine head assembly rotates by taking the connection part of the machine head assembly and the control handle as an axis so as to adjust the orientation of the machine head assembly; the machine head assembly comprises a machine head shell, a machine head cover, a motor, a sealing piece and a fixing piece; the machine head cover is provided with a concave cavity, and the sealing piece is arranged in the concave cavity; the machine head cover is provided with a first lock hole, and the locking piece penetrates through the first lock hole of the machine head cover and is connected with the machine head shell; the machine head cover extends out of the locking part towards the reverse direction of the concave cavity, the locking part is in a blind hole shape, the fixing piece and the sealing piece are provided with second lock holes, and the locking piece penetrates through the second lock holes and is connected to the locking part; the base is provided with an inserting cavity, the control handle is provided with a containing cavity, and the control handle is inserted into the inserting cavity to cover the containing cavity. The novel combined type air conditioner has the advantages of simple structure, excellent effect, convenience in assembly, reasonable design and the like; therefore, it is a product with excellent performance both technically and economically.

Description

Electric cleaning brush

[ field of technology ]

The invention mainly relates to an electric cleaning brush.

[ background Art ]

The current electric cleaning brush is easy to contact with water when in use, and needs to be soaked in water for a long time sometimes, so the electric cleaning brush needs to be made into a waterproof structure, but the current electric cleaning brush has the defects of poor sealing performance and non-durable waterproof performance, unsafe factors are brought to users, and therefore the waterproof electric cleaning brush needs to be provided to solve the technical problems.

[ invention ]

The invention improves the structure of the electric cleaning brush and strengthens the waterproofness of the electric cleaning brush, so that a new technical scheme is provided, and the electric cleaning brush adopts the following technical scheme:

an electric cleaning brush comprises a machine head assembly, a control handle, a lock piece and a base; the machine head assembly and the base are respectively connected to two ends of the control handle, and the machine head assembly rotates by taking the connection part of the machine head assembly and the control handle as an axis so as to adjust the orientation of the machine head assembly;

the machine head assembly comprises a machine head shell, a machine head cover, a motor, a sealing piece and a fixing piece, wherein the machine head shell is provided with a cavity, and the motor is arranged in the cavity; the machine head cover is provided with a concave cavity, and the sealing piece is arranged in the concave cavity; the machine head cover is provided with a first lock hole, and the lock piece penetrates through the first lock hole of the machine head cover and is connected with the machine head shell so as to assemble the machine head cover and the machine head shell together and package a motor in the machine head shell; the machine head cover extends out of the locking part towards the opposite direction of the concave cavity, the locking part is in a blind hole shape, the fixing sheet and the sealing sheet are provided with second lock holes, the locking piece penetrates through the second lock holes to be connected to the locking part so as to fixedly connect the fixing sheet and the sealing sheet to the machine head cover, the sealing sheet is arranged between the machine head cover and the fixing sheet, and the first lock holes and the second lock holes are staggered;

the base is provided with an inserting cavity, the control handle is provided with a containing cavity, and the control handle is inserted into the inserting cavity to cover the containing cavity.

Preferably, the machine head cover, the sealing piece and the fixing piece are all provided with first through holes, and the rotating end of the motor penetrates through the first through holes and extends out of the machine head assembly.

Preferably, the cavity is provided with a lock column, the lock column is provided with a first lock hole, and the lock piece penetrates through the first lock hole of the machine head cover and is connected with the first lock hole of the lock column so as to fixedly connect the machine head cover on the machine head shell; the locking piece is connected with the second lock hole of the fixing piece and the sealing piece in a penetrating way and is connected with the locking part in a rotating way so as to fixedly connect the fixing piece with the machine head cover, and the sealing piece is connected between the fixing piece and the machine head cover in a pressing way.

Preferably, the motor is provided with a support lug, the support lug is provided with a through hole, the motor is supported on the lock column through the support lug, and the lock piece penetrates through the support lug to be connected to the first lock hole of the lock column.

Preferably, the control handle is provided with a rotating head, and the control handle is provided with a second through hole, and the rotating head extends out of the control handle from the second through hole; the machine head shell is provided with an interface, and the rotating head is inserted into the interface to assemble the control handle and the machine head assembly together.

Preferably, the rotary head is provided with a first annular groove and a second annular groove, the first annular groove is close to the machine head assembly relative to the second annular groove, and the first annular groove and the second annular groove are clamped with sealing rings.

Preferably, the control handle is provided with a containing cavity, the control handle is provided with an opening, the opening is communicated with the containing cavity, the control handle is connected with a key, and the opening is closed through the key; the area of the key is larger than the area of the opening, and the key is attached to the outer end face of the control handle; the key is provided with a pressing part, and the position of the pressing part corresponds to the position of the opening.

Preferably, the accommodating cavity is inserted with a bracket, the accommodating cavity comprises a front accommodating cavity and a rear accommodating cavity, a partition plate is arranged between the front accommodating cavity and the rear accommodating cavity, and the opening is communicated with the front accommodating cavity.

Preferably, the bracket is provided with a bottom plate, the partition plate is provided with a connecting column, the bracket is provided with a screw, the screw penetrates through the bottom plate to be screwed on the connecting column so as to fix the bracket in the containing cavity, and the containing cavity is shielded by the bottom plate.

Preferably, the bottom end of the control handle is provided with a sealing ring, and the bottom end of the control handle is connected with the insertion cavity, so that the sealing ring is abutted against the wall part of the insertion cavity.

Compared with the background technology, the invention has the beneficial effects that:

the invention provides an electric cleaning brush, which is mainly used for improving the structure of a machine head assembly, wherein in the structure of the machine head assembly, a machine head cover is connected with a first lock hole through a lock piece, the machine head cover is connected with a second lock hole and a locking part through a lock piece, wherein the locking part adopts a blind hole structure, a sealing piece is additionally arranged between the fixing piece and the machine head cover, water flow impacts the second lock hole of the fixing piece, because the lock piece of the first lock hole is connected with the locking part, the locking part is of a blind hole structure, water flow can not permeate into the machine head cover even if entering into the blind hole, and the arrangement of the sealing piece further fills a gap between parts; meanwhile, the integral waterproof performance is greatly improved by matching with the surface-coated key structure and the connecting structure of the base and the control handle, and the waterproof grade of IPX7 is met.

[ description of the drawings ]

FIG. 1 is a schematic view showing a straight state of an electric cleaning brush according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view showing a bending state of the electric cleaning brush according to the preferred embodiment of the present invention;

FIG. 3 is an exploded view of the electric brush according to the preferred embodiment of the present invention;

FIG. 4 is a schematic view of a control handle according to a preferred embodiment of the present invention;

FIG. 5 is a schematic view showing the connection of the control handle and the base in the preferred embodiment of the present invention;

FIG. 6 is a schematic view of a control handle according to a second embodiment of the present invention;

FIG. 7 is a schematic diagram of a handpiece assembly in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic view of a base in accordance with a preferred embodiment of the present invention;

FIG. 9 is a schematic view of a first view of a cover in accordance with a preferred embodiment of the present invention;

FIG. 10 is a schematic view of a second view of the cover of the handpiece in accordance with the preferred embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of a handpiece assembly in accordance with a preferred embodiment of the present invention.

[ detailed description ] of the invention

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.

In the description of the present invention, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific scope of protection of the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" or "a second" feature may explicitly or implicitly include one or more such feature, and in the description of the invention, the meaning of "a number" is two or more, unless otherwise specifically defined.

In the present invention, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.

The technical scheme and the beneficial effects of the invention are more clear and definite by further describing the specific embodiments of the invention with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the invention and are not to be construed as limiting the invention.

The preferred embodiments provided by the invention are: as shown in fig. 1 to 11, an electric cleaning brush comprises a head assembly 1, a control handle 2, a lock 17 and a base 3; the locking pieces adopt conventional screws, and the number of the locking pieces is not limited; the machine head assembly 1 and the base 3 are respectively connected at two ends of the control handle 2, and the machine head assembly 1 rotates by taking the joint of the machine head assembly 1 and the control handle 2 as an axis so as to adjust the orientation of the machine head assembly 1;

the machine head assembly 1 comprises a machine head shell 4, a machine head cover 5, a motor 11, a sealing piece 12 and a fixing piece 13, wherein the machine head shell 4 is provided with a cavity 41, and the motor 11 is arranged in the cavity 41; the camera cover 5 is provided with a concave cavity 51, and the sealing piece 12 is placed in the concave cavity 51; the machine head cover 5 is provided with a first lock hole 52, the first lock hole 52 is arranged in the concave cavity 51, the locking piece penetrates through the first lock hole 52 of the machine head cover 5 and is connected with the machine head shell 4 so as to assemble the machine head cover 5 and the machine head shell 4 together, and the motor 11 in the machine head shell 4 is packaged; the machine head cover 5 extends out of the locking part 53 towards the opposite direction of the concave cavity 51, the locking part 53 is in a blind hole shape, the fixing piece 13 and the sealing piece 12 are provided with a second lock hole 54, the locking piece penetrates through the second lock hole 54 to be connected with the locking part 53 so as to fixedly connect the fixing piece 13 and the sealing piece 12 on the machine head cover 5, the sealing piece 12 is arranged between the machine head cover 5 and the fixing piece 13, and the first lock hole 52 and the second lock hole 54 are staggered. In the structure of the machine head assembly, the machine head cover 5 is connected with the first lock hole 52 through a lock piece, the machine head cover 5 is connected with the second lock hole 54 and the lock connection part 53 through a lock piece, wherein the lock connection part 53 adopts a blind hole structure, the sealing piece 12 is additionally arranged between the lock piece and the machine head cover, the second lock hole of the fixing piece is impacted by water flow, the lock piece of the second lock hole is connected with the lock connection part, the lock connection part is of a blind hole structure, water flow can not permeate into the machine head shell even if entering the blind hole, and the gap between the parts is further filled by the arrangement of the sealing piece. The concave cavity of the machine head cover is recessed inwards, and the diameter of the concave cavity is smaller than that of the machine head cover, so that a side groove 55 is formed on the inner side of the machine head cover, and the side groove is used for being embedded with a sealing ring to enhance the sealing performance.

The base 3 is provided with an insertion cavity 31, the control handle 2 is provided with a containing cavity 27, and the control handle 2 is inserted into the insertion cavity 31 to cover the containing cavity 27. The bottom of the control handle 2 is provided with a sealing ring 21, and the bottom of the control handle 2 is connected with the insertion cavity 31, so that the sealing ring 21 is abutted against the wall part of the insertion cavity 31. The holding cavity 27 is internally provided with a clamping groove 271, the outer side surface of the bottom of the control handle 2 is provided with a clamping block 272, the control handle and the base can be assembled together through the clamping groove and the clamping block in a buckling mode, and the clamping groove 271 and the clamping block 272 are L-shaped and are convenient to insert and rotate and clamp. The top end of the base 3 is provided with a step 273, the bottom end of the control handle extends out of a flange 274, the bottom end of the control handle 2 is inserted into the insertion cavity 31, the flange 274 is abutted against the step 273, and the flange shields a gap between the control handle and the base to prevent water from entering; further, the bottom of the control handle is also provided with a clamping groove 276, the sealing ring 21 is embedded in the clamping groove 276, the clamping groove 276 is close to the insertion cavity relative to the flange 274, and the sealing ring is simultaneously abutted against the wall of the insertion cavity and the control handle to prevent water from further entering; still further, insert the intracavity and put sealed 275, the support has bottom plate 72, control handle rigid coupling behind the base, and bottom plate 72 can compress tightly sealed 275, and sealed size and the size of inserting the chamber are unanimous, and sealed can seal the appearance chamber, and each sealing material in the embodiment preferably adopts silica gel, and consequently sealing material has ductility, can fill the space, originally has the air in the appearance chamber, sets up flange, sealing washer and sealed protection of pad three simultaneously, can prevent that liquid from flowing backward, improves waterproof nature by a wide margin.

The machine head cover 5, the sealing piece 12 and the fixing piece 13 are all provided with a first through hole 14, the rotating end of the motor 11 penetrates through the first through hole 14 and stretches out of the machine head assembly 1, the first through hole 14 is sleeved with an oil seal 15 for the rotating end of the motor 11 to penetrate through, the oil seal deformation can fill gaps generated when the motor rotating shaft rotates, and the tightness of the first through hole is enhanced. The control handle 2 is provided with a rotating head 22, the control handle 2 is provided with a second through hole 23, and the rotating head 22 extends out of the control handle 2 from the second through hole 23; the handpiece housing 4 is provided with an interface 41, and the rotator head 22 is inserted into the interface 41 to assemble the control handle 2 with the handpiece assembly 1. The rotary head 22 is provided with a first annular groove 24 and a second annular groove 25, the first annular groove 24 is close to the machine head assembly relative to the second annular groove 25, and the first annular groove 24 and the second annular groove 25 are clamped with a sealing ring 32. The connector adopts a double-sealing-ring structure, so that the waterproof performance is enhanced, the joint is connected with the control handle in an embedded manner from the first through hole, and the sealing ring of the rotating head can be restored to the original state after being pressed into the joint, so that the head assembly is clamped, and the head assembly is prevented from being separated from the control handle.

The cavity 41 is provided with a lock column 42, the lock column 42 is provided with a first lock hole 52, and a locking piece penetrates through the first lock hole 52 of the machine head cover 5 and is connected with the first lock hole 52 of the lock column 42 so as to fixedly connect the machine head cover 5 to the machine head shell 4; the locking piece is connected with the second lock hole 54 of the fixing piece 13 and the sealing piece 12 in a penetrating way and is connected with the locking part 53 in a screwing way so as to fixedly connect the fixing piece 13 with the machine head cover 5 and press-connect the sealing piece 12 between the fixing piece 13 and the machine head cover 5. The motor 11 is provided with a lug 16, the lug 16 is provided with a through hole so that a locking piece passes through the through hole and is connected to the locking column, the motor 11 is supported on the locking column 42 through the lug 16, and the locking piece passes through the lug 16 and is connected to a first locking hole 52 of the locking column 42.

The control handle 2 is provided with a containing cavity 27, the control handle 2 is provided with a concave area 74, an opening 26 is arranged in the concave area 74, the concave area surrounds the opening, the opening 26 is communicated with the containing cavity 27, the control handle 2 is connected with a key 6, and the opening 26 is closed through the key 6; the area of the key 6 is larger than that of the opening 26, and the key 6 is attached to the outer end face of the control handle 2; the key 6 has a pressing portion 61, and the position of the pressing portion 61 corresponds to the position of the opening 26. The holding cavity 27 is inserted with a bracket 7, the bracket is used for setting a battery and a circuit board, the key 6 is connected with the circuit board, the circuit board is connected with a control motor to rotate, the holding cavity 27 comprises a front holding cavity 28 and a rear holding cavity 29, a partition plate 71 is arranged between the front holding cavity 28 and the rear holding cavity 29, and the opening 26 is communicated with the front holding cavity 28. The bracket 7 has a bottom plate 72, the partition 71 is provided with a receiving post 73, the bracket 7 is provided with a screw, the screw is screwed to the receiving post 73 through the bottom plate 72 to fix the bracket 7 in the accommodating cavity 41, and the accommodating cavity 41 is blocked by the bottom plate 72. In the traditional structure, the keys extend out from the machine body to the opening for filling, water flow easily seeps into the machine body from the edge of the opening, and the water resistance is poor; in this structure, the key 6 is adhered to the concave area 74, so that the key is flush with the end face of the control handle as much as possible, the whole structure is more reasonable, the key is directly coated on the end face of the control handle, and the opening is completely coated, so that water flow cannot approach the opening, the problem of water seepage at the edge of the traditional opening is solved, the waterproofness of the machine body is greatly improved, and the waterproof grade of the IPX7 is satisfied.

In the description of the present invention, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

From the above description of the structure and principles, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present invention fall within the scope of the present invention, which is defined by the appended claims.

Claims

1. An electric cleaning brush, characterized in that: the machine head comprises a machine head assembly, a control handle, a lock piece and a base; the machine head assembly and the base are respectively connected to two ends of the control handle, and the machine head assembly rotates by taking the connection part of the machine head assembly and the control handle as an axis so as to adjust the orientation of the machine head assembly;

2. The electric cleaning brush of claim 1, wherein: the machine head cover, the sealing piece and the fixing piece are all provided with first through holes, and the rotating end of the motor penetrates through the first through holes and stretches out of the machine head assembly.

3. The electric cleaning brush of claim 1, wherein: the holding cavity is provided with a lock column, the lock column is provided with a first lock hole, and the lock piece penetrates through the first lock hole of the machine head cover and is connected with the first lock hole of the lock column so as to fixedly connect the machine head cover on the machine head shell; the locking piece is connected with the second lock hole of the fixing piece and the sealing piece in a penetrating way and is connected with the locking part in a rotating way so as to fixedly connect the fixing piece with the machine head cover, and the sealing piece is connected between the fixing piece and the machine head cover in a pressing way.

4. A powered cleaning brush as claimed in claim 3, wherein: the motor is provided with a support lug, the support lug is provided with a through hole, the motor is supported on the lock column through the support lug, and the lock piece penetrates through the support lug to be connected to a first lock hole of the lock column.

5. The electric cleaning brush of claim 1, wherein: the control handle is provided with a rotating head, the control handle is provided with a second through hole, and the rotating head extends out of the control handle from the second through hole; the machine head shell is provided with an interface, and the rotating head is inserted into the interface to assemble the control handle and the machine head assembly together.

6. The electric cleaning brush of claim 5, wherein: the rotary head is provided with a first annular groove and a second annular groove, the first annular groove is close to the machine head assembly relative to the second annular groove, and sealing rings are clamped between the first annular groove and the second annular groove.

7. The electric cleaning brush of claim 1, wherein: the control handle is provided with a containing cavity, the control handle is provided with an opening, the opening is communicated with the containing cavity, the control handle is connected with a key, and the opening is closed through the key; the area of the key is larger than the area of the opening, and the key is attached to the outer end face of the control handle; the key is provided with a pressing part, and the position of the pressing part corresponds to the position of the opening.

8. The electric cleaning brush of claim 1, wherein: the holding cavity is inserted with a bracket, the holding cavity comprises a front holding cavity and a rear holding cavity, a partition plate is arranged between the front holding cavity and the rear holding cavity, and an opening is communicated with the front holding cavity.

9. The electric cleaning brush of claim 8, wherein: the support is provided with a bottom plate, the partition plate is provided with a connecting column, the support is provided with a screw, the screw penetrates through the bottom plate to be connected with the connecting column in a screwed mode, so that the support is fixed in the containing cavity, and the containing cavity is shielded through the bottom plate.

10. The electric cleaning brush of claim 1, wherein: the bottom of the control handle is provided with a sealing ring, and the bottom of the control handle is connected with the insertion cavity, so that the sealing ring is abutted against the wall part of the insertion cavity.