Electric bath brush

Abstract

The utility model discloses an electric bath brush. A balance rod barrel is arranged in a mounting cavity and is coaxial with a motor part; the balance rod is installed in the balance rod cylinder and penetrates out of the brush cover shell, and the output end of the motor part extends into the balance rod cylinder to form transmission with the balance rod cylinder. The balance rod is rotationally supported on the balance rod cylinder by the rotating bearing; according to the electric bath brush, the balance rod cylinder is simple in structure relative to the motor part, and the installation position is accurate easily; the balance rod is arranged between the motor part and the brush head to play a stabilizing role, the starting and stopping processes of output of the motor part are smoother to a certain extent, and after the position of the balance rod barrel is accurately fixed, the balance rod is rotationally supported in the balance rod barrel through the rotating bearing, so that rotation is smoothly executed in the balance rod, and meanwhile, the brush head is prevented from being damaged. The position accuracy is also guaranteed; the adapter is connected to the balance rod and provides transfer for installation of the brush head, and different brush heads can be replaced according to different requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bathing brush field, especially an electric bathing brush. BACKGROUND

[0002] In the prior art, due to different cleaning habits, some people are used to rubbing during bathing, thereby completing more thorough cleaning. Electric bathing brushes are a kind of cleaning tools driven by electricity, mainly used to help people clean their bodies more easily when bathing. It is usually equipped with soft bristles or massage heads, which can remove dirt and dead skin through vibration, rotation or other mechanical actions, while providing a comfortable massage experience. Compared with traditional manual bathing brushes, electric bathing brushes can reduce hand force, especially suitable for people who need deep cleaning or have difficulty moving.

[0003] In a cleaning brush that generates cleaning driving force with a rotary motor, the rotation of the motor is output to the cleaning head. Since the rotating shaft of the rotary motor is usually small in mass and the fixation of the rotary motor is difficult to meet the requirement of accurate axial position, the stability of the working end of the cleaning brush is difficult to guarantee. SUMMARY

[0004] The main purpose of the utility model is to provide an electric bathing brush, which aims to solve the problem that the rotating shaft of the rotary motor in the electric bathing brush is usually small in mass and the fixation of the rotary motor is difficult to meet the requirement of accurate axial position, resulting in difficult to guarantee the stability of the working end of the cleaning brush.

[0005] In order to achieve the above purpose, the utility model provides an electric bathing brush, which comprises:

[0006] a brush body shell;

[0007] a brush cover shell, which can be combined with the brush body shell to form a mounting cavity;

[0008] a motor part, which is arranged in the mounting cavity;

[0009] a balance rod barrel, which is arranged in the mounting cavity and coaxially arranged with the motor part;

[0010] a balance rod, which is installed in the balance rod barrel and penetrates out of the brush cover shell, and the output end of the motor part penetrates into the balance rod barrel to form a transmission with the balance rod barrel;

[0011] two rotating bearings, which are arranged at intervals in the length direction of the balance rod to support the balance rod in rotation in the balance rod barrel;

[0012] an adapter, which is connected to the free end of the balance rod;

[0013] The brush head is detachably connected to the free end of the adapter, two flap plates are hingedly arranged on the circumference of the brush head, a spring is arranged between one end of the flap plate in the length direction and the brush head, and the other end of the flap plate in the length direction is clamped with the adapter.

[0014] Further, the electric shower brush further comprises a conical sealing cylinder, which is clamped between the brush cover shell and the adapter, wherein the sealing cylinder is soft.

[0015] Further, the material of the sealing cylinder is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

[0016] Further, the electric shower brush further comprises a first sealing ring;

[0017] The first sealing ring is arranged on the inner side of the brush cover shell and forms at least one annular ridge groove matching structure with the inner side of the brush cover shell, the brush body shell and the inner side of the first sealing ring form at least one annular ridge groove matching structure, the balance rod is arranged through the first sealing ring and the outer wall forms a seal with the first sealing ring.

[0018] Further, the material of the first sealing ring is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

[0019] Further, the electric shower brush further comprises a second sealing ring;

[0020] The second sealing ring is clamped between the balance rod cylinder and the first sealing ring, the balance rod is arranged through the second sealing ring and the outer wall forms a seal with the second sealing ring.

[0021] Further, the material of the second sealing ring is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

[0022] Further, the rotating bearing is clamped in the length direction of the balance rod.

[0023] Further, the front end of the balance rod cylinder is sleeved with the brush body shell.

[0024] Further, the adapter is connected to the top end of the balance rod by a screw.

[0025] The electric bathing brush provided by the utility model has simple structure of the balance rod cylinder relative to the motor part, and the installation position is accurate to be realized easily; the balance rod is arranged between the motor part and the brush head to play a stabilizing role, and the starting and stopping processes of the motor part output are smoother to a certain extent; after the balance rod cylinder has a position fixed accurately, the rotating bearing rotates and supports the balance rod in the balance rod cylinder, so that the rotation of the balance rod is smooth, and the position accuracy is also guaranteed; the adapter is connected to the balance rod to provide a transfer for the installation of the brush head, and different brush heads are replaced according to different requirements. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the electric bathing brush of an embodiment of the utility model;

[0027] Figure 2 is a sectional view of the electric bathing brush of an embodiment of the utility model;

[0028] Figure 3 is a sectional view of the electric bathing brush of an embodiment of the utility model (the brush body shell and part of details are hidden);

[0029] Figure 4 is a local enlargement in Figure 3

[0030] Figure 5 is a matching sectional view of the motor part, the balance rod cylinder, the balance rod, the adapter and the brush head in the electric bathing brush of an embodiment of the utility model;

[0031] Figure 6 is a local enlargement in Figure 5

[0032] Legend: 100-brush body shell, 200-brush cover shell, 210-first sealing ring, 300-motor part, 400-balance rod cylinder, 410-second sealing ring, 500-balance rod, 600-rotating bearing, 700-adapter, 710-sealing cylinder, 800-brush head, 810-flap.

[0033] The realization, functional features and advantages of the utility model will be further explained by combining with embodiments and referring to the drawings. DETAILED DESCRIPTION

[0034] It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0035] ​​It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It is further understood that the terms "comprise" and "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and / or groups thereof. It is further understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. In addition, the use of "connection" or "coupling" herein also includes wireless connection or wireless coupling. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] It is to be understood that the terms so used are intended to encompass common and accepted meanings in the art, unless otherwise explicitly provided. It is further to be understood that terms such as those defined in commonly used dictionaries are to take on ordinary and accustomed meanings, unless otherwise explicitly provided, and are not to be interpreted in an idealized or overly formal sense.

[0037] Reference Figures 1 to 6 In one embodiment of the present application, an electric shower brush comprises:

[0038] a brush body shell 100;

[0039] a brush cover shell 200, which is detachably combined with the brush body shell 100 to form a mounting cavity;

[0040] a motor portion 300, which is disposed in the mounting cavity;

[0041] a balance bar cylinder 400, which is disposed in the mounting cavity and coaxially disposed with the motor portion 300;

[0042] a balance bar 500, which is mounted in the balance bar cylinder 400 and extends out of the brush cover shell 200, and an output end of the motor portion 300 extends into the balance bar cylinder 400 to form a transmission with the balance bar cylinder 400;

[0043] two rotating bearings 600, which are disposed at intervals in a length direction of the balance bar 500 to rotatably support the balance bar 500 on the balance bar cylinder 400;

[0044] an adapter 700, which is connected to a free end of the balance bar 500;

[0045] The brush head 800 is detachably connected to the free end of the adapter 700, two flap plates 810 are hingedly arranged at the circumference of the brush head 800, an elastic member is arranged between one end of the flap plate 810 in the length direction and the brush head 800, and the other end of the flap plate 810 in the length direction is buckled with the adapter 700, wherein when the one end of the flap plate 810 in the length direction is pressed down, the buckle between the flap plate 810 and the adapter 700 is released.

[0046] In the prior art, the rotating shaft of the rotating motor is usually small in mass, and the fixing of the rotating motor is difficult to meet the requirement of accurate axial position, so that the stability of the working end of the cleaning brush is difficult to guarantee.

[0047] In the embodiment, the electric shower brush comprises a brush body shell 100, a brush cover shell 200, a motor part 300, a balance rod barrel 400, a balance rod 500, a rotating bearing 600, an adapter 700 and a brush head 800.

[0048] The brush body shell 100 is a main part, and is a mounting base for subsequent parts and a hand-holding base.

[0049] The brush cover shell 200 is detachably combined with the brush body shell 100 to form a mounting cavity.

[0050] The motor part 300 is arranged in the mounting cavity. The central axis of the motor part 300 coincides with the designed central axis of the brush body shell 100, so that the output of the motor part 300 can be stably executed. The motor part 300 is preferably provided with a mobile power supply, such as a lithium battery.

[0051] The balance rod barrel 400 is arranged in the mounting cavity and coaxially arranged with the motor part 300. The balance rod barrel 400 is simple in structure relative to the motor part 300, so that the installation position is easy to be accurate, for example, the balance rod barrel 400 is sleeved with the brush body shell 100 to form positioning.

[0052] The balance rod 500 is installed in the balance rod barrel 400 and penetrates out of the brush cover shell 200. The output end of the motor part 300 extends into the balance rod barrel 400 to form transmission with the balance rod barrel 400. The material of the balance rod 500 can be metal or high-density polymer, so that the balance rod 500 can play a stabilizing role, and to a certain extent, the start and stop process of the output of the motor part 300 can be smoother. The diameter of the balance rod 500 can be relatively large, so as to provide larger kinetic energy buffer.

[0053] After the balance bar cylinder 400 has been fixed in position accurately, at least two rotating bearings 600 rotate the balance bar 500 to support the balance bar cylinder 400, so that the balance bar 500 rotates smoothly while the position accuracy is guaranteed. The rotating bearing 600 can have various structural forms, which are not limited in particular. For example, the rotating bearing 600 includes an inner ring and an outer ring arranged relatively rotatably, the inner ring is arranged corresponding to the outer wall of the balance bar 500, and the outer ring is arranged corresponding to the inner wall of the balance bar cylinder 400.

[0054] The adapter 700 is connected to the free end of the balance bar 500. The connection between the adapter 700 and the balance bar 500 can be various, for example, a screw is connected to the top end of the balance bar 500. The balance bar 500 is relatively simple in structure for the sake of simple processing and the ability to pass through the brush cover shell 200, so it is not conducive to the subsequent installation of the brush head 800; therefore, the adapter 700 is introduced to provide a transfer.

[0055] The brush head 800 is detachably connected to the free end of the adapter 700. Specifically, the fixing mode of the brush head 800 on the adapter 700 can be various, such as elastic clamping or threaded connection. Two flap plates 810 are hingedly arranged on the circumference of the brush head 800, an elastic member is arranged between one end of the flap plate 810 in the length direction and the brush head 800, and the other end of the flap plate 810 in the length direction is buckled with the adapter 700, wherein when the one end of the flap plate 810 is pressed down, the buckle between the flap plate 810 and the adapter 700 is released. The elastic buckle between the flap plate 810 and the adapter 700 is realized by the flap plate 810, the flap plate 810 is hingedly arranged on the brush head 800, so that it can swing, under the action of the elastic member, the flap plate 810 is buckled with the adapter 700, at this time the brush head 800 is fixed; when the flap plate 810 is pressed down by overcoming the elastic force of the elastic member, the buckle between the flap plate 810 and the adapter 700 is released, at this time the brush head 800 can be taken off.

[0056] In summary, the balance bar cylinder 400 is simple in structure relative to the motor part 300, and easy to realize accurate installation position; the balance bar 500 is arranged between the motor part 300 and the brush head 800 to play a stabilizing role, to a certain extent, making the start and stop process of the output of the motor part 300 more smooth, after the balance bar cylinder 400 has been fixed in position accurately, the rotating bearing 600 rotates the balance bar 500 to support the balance bar cylinder 400, so that the balance bar 500 rotates smoothly while the position accuracy is guaranteed; the adapter 700 is connected to the balance bar 500 to provide a transfer for the installation of the brush head 800, and different brush heads 800 can be replaced according to different needs.

[0057] Reference Figures 2 to 4In one embodiment, the electric shower brush further comprises a frustoconical sealing cylinder 710 clamped between the brush cover shell 200 and the adapter 700, wherein the sealing cylinder 710 is soft.

[0058] In the present embodiment, the sealing effect between the brush cover shell 200 and the adapter 700 is provided by the sealing cylinder 710, which can be made of various types of soft plastic or rubber (such as polyurethane, etc.), so as to fill the gap between the brush cover shell 200 and the adapter 700 and form a sealing effect. The sealing cylinder 710 is frustoconical in shape, which is beneficial for deformation in a suitable direction and reduces the risk of sealing failure. The material of the sealing cylinder 710 is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber, and polyurethane rubber.

[0059] Referring to Figures 2 to 4 In one embodiment, the electric shower brush further comprises a first sealing ring 210;

[0060] The first sealing ring 210 is arranged on the inner side of the brush cover shell 200 and forms at least one annular groove fitting structure with the inner side of the brush cover shell 200, the brush body shell 100 forms at least one annular groove fitting structure with the inner side of the first sealing ring 210, and the balance bar 500 is arranged to pass through the first sealing ring 210 and forms a seal with the outer wall of the first sealing ring 210.

[0061] In the present embodiment, the sealing effect is improved by the introduction of the first sealing ring 210. For example, a plurality of first concave rings are formed on the inner side of the first sealing ring 210, and a plurality of first convex rings are formed on the outer side of the first sealing ring 210. A second convex ring is arranged on the front end of the brush body shell 100 corresponding to the first concave ring, and a second concave ring is arranged on the inner side of the brush cover shell 200 corresponding to the first convex ring. The first concave ring of the first sealing ring 210 forms a groove fitting structure with the second convex ring of the brush body shell 100, and the first convex ring of the first sealing ring 210 forms a groove fitting structure with the first convex ring of the brush cover shell 200, thereby forming a superior sealing effect in the radial direction. When the balance bar 500 is arranged to pass through the first sealing ring 210 while forming a seal, an axial sealing effect is provided. The material of the first sealing ring 210 can be a slightly soft polymer material, such as polyurethane, etc., thereby further improving the sealing effect. The material of the first sealing ring 210 is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber, and polyurethane rubber.

[0062] Referring to Figures 2 to 4 In one embodiment, the electric shower brush further comprises a second sealing ring 410;

[0063] The second sealing ring 410 is clamped between the balance bar cylinder 400 and the first sealing ring 210, and the balance bar 500 passes through the second sealing ring 410 and forms a seal with the outer wall of the second sealing ring 410.

[0064] In the foregoing embodiment, the first sealing ring 210 provides a fixing effect and a core sealing effect, and considering that the rotation of the balance bar 500 has a high requirement on the sealing effect, in the present embodiment, the second sealing ring 410 is introduced, which is arranged at a position close to the first sealing ring 210, and specifically provides a sealing effect between the balance bar cylinder 400 and the first sealing ring 210; and the balance bar 500 passes through the second sealing ring 410, and a seal is also formed between the two, so that at this position, the first sealing ring 210 and the second sealing ring 410 jointly provide superior sealing effects in the axial and radial directions. The material of the second sealing ring 410 is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

[0065] Referring to Figure 3 In one embodiment, the front end of the balance bar cylinder 400 is sleeved with the brush body shell 100.

[0066] In the present embodiment, the fixing method of the front end of the balance bar cylinder 400 is simplified, for example, the brush body shell 100 includes two separate halves, and during the assembly of the brush body shell 100, the front end of the balance bar cylinder 400 is sleeved and fixed in the brush body shell 100.

[0067] In one embodiment, the adapter 700 is connected to the top end of the balance bar 500 by a screw.

[0068] In the present embodiment, a convenient fixing method of the adapter 700 is provided, so that the fixing effect of the adapter 700 on the brush head 800 is minimized. For example, a threaded hole is arranged at the top end of the balance bar 500, and a through hole is arranged at a corresponding position on the adapter 700, and a screw is passed through the through hole on the adapter 700 to fix the adapter 700 to the threaded hole on the balance bar 500.

[0069] In summary, the electric bathing brush provided by the utility model has the advantages that the balance lever cylinder 400 is simple in structure relative to the motor part 300, accurate installation position is easy to realize; the balance lever 500 is arranged between the motor part 300 and the brush head 800 and plays a stabilizing role, to a certain extent, the starting and stopping processes of the motor part 300 output are smoother, after the balance lever cylinder 400 is accurately positioned, the rotating bearing 600 rotates and supports the balance lever 500 on the balance lever cylinder 400, so that the rotating smoothness of the balance lever 500 is guaranteed, and the position accuracy is also guaranteed; the adapter 700 is connected to the balance lever 500 and provides a relay for the installation of the brush head 800, and different brush heads 800 can be replaced according to different requirements.

[0070] The above merely describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the contents of the utility model specification and the drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. An electrically powered shower brush characterised in that, The electric shower brush comprises: a brush body shell (100); a brush cover shell (200) which is detachably combined with the brush body shell (100) to form a mounting cavity; a motor part (300) arranged in the mounting cavity; a balance bar cylinder (400) arranged in the mounting cavity and coaxially arranged with the motor part (300); a balance bar (500) mounted in the balance bar cylinder (400) and passing through the brush cover shell (200), an output end of the motor part (300) extending into the balance bar cylinder (400) to form a transmission with the balance bar cylinder (400); two rotating bearings (600) arranged in the length direction of the balance bar (500) to rotatably support the balance bar (500) in the balance bar cylinder (400); an adapter (700) connected to the free end of the balance bar (500); a brush head (800) detachably connected to the free end of the adapter (700), two flap plates (810) being hingedly arranged in the circumferential direction of the brush head (800), a resilient member being arranged between one end of the flap plate (810) in the length direction and the brush head (800), and the other end of the flap plate (810) in the length direction being buckled with the adapter (700), wherein when the one end of the flap plate (810) in the length direction is pressed down, the buckling between the flap plate (810) and the adapter (700) is released.

2. The electrically powered shower brush of claim 1, wherein The electric shower brush further comprises a conical sealing cylinder (710) clamped between the brush cover shell (200) and the adapter (700), wherein the sealing cylinder (710) is soft.

3. The electrically powered shower brush of claim 2, wherein The material of the sealing cylinder (710) is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

4. The electrically powered shower brush of claim 1, wherein The electric shower brush further comprises a first sealing ring (210); The first sealing ring (210) is arranged on the inner side of the brush cover shell (200) and forms at least one annular groove matching structure with the inner side of the brush cover shell (200), the brush body shell (100) forms at least one annular groove matching structure with the inner side of the first sealing ring (210), and the balance bar (500) passes through the first sealing ring (210) and forms a seal with the first sealing ring (210).

5. The electrically powered shower brush of claim 4, wherein, The material of the first sealing ring (210) is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

6. The electrically powered shower brush of claim 4, wherein, The electric shower brush further comprises a second sealing ring (410); The second sealing ring (410) is clamped between the balance bar cylinder (400) and the first sealing ring (210), and the balance bar (500) passes through the second sealing ring (410) and forms a seal with the second sealing ring (410).

7. The electrically powered shower brush of claim 6, wherein The material of the second sealing ring (410) is selected from one of hydrogenated nitrile rubber, fluororubber, ethylene propylene diene rubber, nitrile rubber and polyurethane rubber.

8. The electrically powered shower brush of claim 1, wherein, The rotating bearing (600) is clamped in the length direction of the balance bar (500).

9. The electrically powered shower brush according to any one of claims 1 to 8, wherein, The front end of the balance bar cylinder (400) is sleeved with the brush body shell (100).

10. The electrically powered shower brush according to any one of claims 1 to 8, wherein, The adapter (700) is connected to the top end of the balance bar (500) by a screw.

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