WO2018032687A1

WO2018032687A1 - Electric shower brush capable of automatically discharging shower gel

Info

Publication number: WO2018032687A1
Application number: PCT/CN2016/112569
Authority: WO
Inventors: 吴西臣
Original assignee: 美丽之星（深圳）电子科技有限公司
Priority date: 2016-08-17
Filing date: 2016-12-28
Publication date: 2018-02-22
Also published as: CN106136998A; CN106136998B

Abstract

An electric shower brush capable of automatically discharging a shower gel comprises the following sequentially connected components: an extendable rod assembly, a battery compartment, and a brush head, and is characterized in that the brush head comprises a brush disc (1); a fixed wheel (2); a transmission shaft (5); a lower casing (6); a gas tube (7); a gear box cover (13); an upper casing (14); a motor (16); a pump cover (22); and a pump vane (23). The brush disc (1) is fixed to the fixed wheel (2). The fixed wheel (2) is fixed to the transmission shaft (5). The motor (16) drives the transmission shaft (5) to realize forward and backward rotation of the brush disc (1). The pump vane (23) is fixed to the lower casing (6) by the pump cover (22). The motor (16) drives the pump vane (23), such that a gas compressed by the pump vane (23) enters a shower gel containing space formed by the lower casing (6), the upper casing (14) and the gear box cover (13) to push the shower gel, thereby discharging the shower gel to the brush disc (1) from a shower gel outlet at the lower casing (6), and accordingly realizing automatic discharge of a shower gel.

Description

Electric bath brush capable of automatically adding bath and shower gel

Technical field

The invention relates to an electric bath brush, in particular to an electric bath brush which can automatically add a bath.

Background technique

The human body has many pores, and the pores grow hair. There is a gap between the hair root and the pores. The gap is for the secreted sebum to flow out. The gap may be blocked by dust, secreted sebum and other debris, affecting the secretion. Excretion, causing inflammation of the skin, it requires a tool to effectively clean the skin; moreover, when taking a bath, because the human hand can not reach the back part, this part is difficult to clean, especially for the elderly and children; now The bathing brush on the market is only rotated in one direction. It is very difficult to wash the skin in this way, and it is very inconvenient to take a shower while bathing.

Summary of the invention

The invention aims to overcome the above drawbacks, and provides an electric bath brush which automatically adds shower gel, so that the shower gel can be conveniently added at any time, and the skin can be thoroughly cleaned quickly. Specifically, the automatic shower gel-type electric bath brush comprises an extension rod assembly, a battery box and a brush head which are sequentially connected, wherein the brush head portion comprises a brush disc, a fixed wheel, a drive shaft, a bottom shell, a gas pipe and a gear box cover. , the upper shell, the motor, the pump cover and the pump blade; wherein the brush disc is fixed on the fixed wheel, the fixed wheel is fixed on the transmission shaft, and the drive shaft is driven by the motor to realize the forward and reverse rotation of the brush disc; the pump leaf is fixed by the pump cover On the bottom case, the pump leaves the pump, and the gas compressed by the pump blade passes through the air pipe into the space of the shower gel composed of the bottom case, the upper case and the gear box cover, and squeezes the shower gel to make the shower gel from the bottom case. The shower gel outlet flows out and drops onto the top of the brush tray to achieve the function of automatically adding shower gel. can.

Preferably, the motor drives the transmission shaft through the first worm, the first worm wheel, the small teeth, the transition tooth and the transmission tooth to realize the forward and reverse rotation of the brush disk; the pump blade is driven by the motor through the second worm, the second worm wheel and the one-way bearing .

Preferably, the battery case is fixed to the first connecting member by a gland, a first spring and a first pressing.

Preferably, the extension rod assembly is fixed to the battery case by the fixing piece, the second pressing, and the second spring through the second connecting piece.

Preferably, the extension rod assembly comprises an elongated inner rod and an extension rod, and the elongated inner rod is mounted in the extension rod.

Preferably, the trachea is made of a rubber material.

Preferably, the first connecting member has a columnar protrusion, the first spring is sleeved on the columnar protrusion, the first button has a recess, and the other end of the first spring is disposed away from the other end of the columnar protrusion, the battery box and the bottom The housing of the housing has an opening.

Preferably, the inner wall surface of the extension rod is respectively provided with a groove at both ends; the upper and lower wall surfaces of the one end portion of the extension inner rod which is always in the extension rod are respectively provided with through holes, and the other end has a cap sleeve.

Preferably, the button is disposed in the elongated inner rod, one end of which protrudes from the elongated inner rod and enters the central hole of the cap, and the button has a shoulder; the other end of the button is sleeved on the head of the extended switch.

DRAWINGS

Figure 1 is a structural exploded view of an electric shower brush with automatic shower gel according to the present invention;

2 is a schematic view showing the connection of a battery case and a brush head of an electric shower brush with automatic shower gel according to the present invention;

3 is a schematic view showing the connection of a battery case and an extension rod assembly of an electric shower brush with automatic shower gel according to the present invention;

Figure 4 is a view showing the state in which the inner long rod of the electric shower brush of the automatic shower gel according to the present invention is inside the extension rod intention;

Figure 5 is a schematic view showing the state in which the inner extension rod of the automatic shower gel according to the present invention is pulled out from the extension rod;

Figure 6 is a power supply circuit diagram of an electric shower brush with automatic shower gel according to the present invention;

Figure 7 is a circuit diagram of a motor drive of an electric shower brush with automatic shower gel according to the present invention;

Figure 8 is a switch circuit diagram of an electric shower brush with automatic shower gel according to the present invention.

The correspondence between the reference numerals and the technical features is as follows:

1 brush

2 fixed wheel

3 pressure plate

4 waterproof disk

5 drive shaft

6 bottom case

7 trachea

8 small teeth

9 transition teeth

10 drive teeth

11 first worm

11' second worm

12 first worm gear

12' second worm gear

13 gear box cover

14 upper shell

15 shower gel cover

16 motor

17 gland

18 PCB

19 first waterproof ring

20 first connector

21 one-way bearing

22 pump cover

23 pump leaves

24 battery box

25 battery

26 first spring

27 first system

28 main PCBA

29 main PCBA connector

30 second waterproof ring

31 second connector

32 second spring

33 second system

34 extension rod

35 fixed piece

36 extended inner rod

37 extended switch

38 buttons

39 stop

detailed description

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing the structure exploded view of an automatic shower gel according to the present invention, the components of the electric brush and their reference numerals are as described above. The electric bathing brush comprises three parts: an extension rod assembly, a battery box and a brush head. The three parts are connected in sequence, wherein the extension rod assembly is used as a handle, the brush head is used for washing and adding shower gel, and the battery box is provided with a battery to give a brush. The motor in the head is powered. The electric bath brush also includes a plurality of control circuits to control the operation of the electric bath brush.

The brush head portion includes a brush disk 1, a fixed wheel 2, a pressure plate 3, a waterproof disk 4, a transmission shaft 5, a bottom case 6, a gas pipe 7, a small tooth 8, a transition tooth 9, a transmission tooth 10, a first worm 11, and a second worm 11', first worm gear 12, second worm gear 12', gearbox cover 13, upper casing 14, shower cap 15, motor 16, one-way bearing 21, pump cover 22 and pump vanes 23. Where the brush 1 is fixed On the fixed wheel 2, the fixed wheel 2 is fixed on the transmission shaft 5, and the drive shaft 5 is driven by the motor 16 through the first worm 11, the first worm wheel 12, the small teeth 8, the transition teeth 9 and the transmission teeth 10 to realize the brush disk. The pump blade 23 is fixed on the bottom case 6 by the pump cover 22, and the pump blade 23 is driven by the motor 16 through the second worm 11', the second worm wheel 12', and the one-way bearing 21, and the gas compressed by the pump blade is The air pipe 7 enters a shower gel-like space composed of the bottom case 6, the upper case 14 and the gear box cover 13, and squeezes the shower gel so that the shower gel flows out from the shower gel outlet of the bottom case and drops onto the upper surface of the brush plate 1. Achieve automatic shower gel. The waterproof disc 4 is fixed to the bottom case 6 by a press plate 3. The waterproof disc can be made of silicone rubber for preventing the brush disc 1 from being sprinkled outside when the disc 1 is rotated, and is not easily damaged to the skin. The hair of the brush plate 1 can be made of soft nylon or wool, which is snapped onto the fixed wheel 2, so that the required brush disk can be replaced at any time. The bottom case 6, the gear case cover 13 and the upper case 14 together form a shower gel chamber, and the shower gel can be added through the inlet on the upper case, and then the shower gel cover 15 is covered.

The first connector 20 is secured to the electric brush head, and the battery case 24 and subsequent components are secured to the first connector 20 by a gland 17, a first spring 26, and a first button 27. Referring to FIG. 2, the first connecting member 20 has a columnar protrusion, and the first spring 26 is sleeved on the columnar protrusion. The first button 27 has a concave portion, and the other end of the first spring 26 away from the columnar protrusion is disposed in the concave portion. The battery case 24 and the bottom case 6 have an opening on the housing; when the battery box and the brush head are in a connected state, the two openings are coincident, and the first pressing system 27 protrudes into the two opening holes, thereby the battery The box is coupled to the brush head; the first button 27 further has a flange extending radially outwardly along the first spring such that the first button does not open from the housing of the bottom case 6 under the spring force of the spring. The hole is ejected, that is to say the aforementioned flange can abut against the outer wall surface of the opening in the housing of the bottom case 6. When the battery box 24 and subsequent components need to be removed, press the first button 27 and pull it back slightly. A PCB 18 and a first waterproof ring 19 are also disposed between the gland 17 and the first connecting member 20. Two batteries 25 are mounted in the battery case 24, and one end is sealed in the battery case 24 by the second connecting member 31 and the second waterproof ring 30; the main PCB A28 is also disposed in the battery box. And a main PCBA connector 29.

Referring to FIG. 3, the extension rod assembly is fixed on the battery case 24 by the fixing piece 35, the second pressing 33, and the second spring 32 through the second connecting member 31, wherein the extending rod 34 has a through hole on the wall surface, and the second pressing system The protrusion of the 33 can be inserted into the through hole by the action of the second spring; when the extension rod assembly needs to be removed, the second button 33 is pressed, and the extension rod assembly is pulled outward to remove it.

The extension rod assembly includes an extension inner rod 36 and an extension rod 34. The extension inner rod 36 is mounted in the extension rod 34. The extension rod assembly is mounted on the battery box 24 by the second connection member 31. When the length of the bath brush is insufficient, the Extend the inner rod to pull out and increase the length. Referring to Figures 4 and 5, respectively, they show the state in which the elongated inner rod 36 is in the extension rod 34 and the state in which the elongated inner rod 36 is pulled out from the extension rod 34. The inner wall surfaces of the extension rod 34 are respectively provided at both ends. The groove, the upper and lower wall surfaces of the one end portion of the elongated inner rod 36 which is always in the extension rod 34 are respectively provided with through holes, and the other end has a cap. The extension switch 37 has a "several" shape that falls to the left, and its two end legs are inserted into the two through holes; when the extension inner rod 36 is in the extension rod 34 or is pulled out, the two end legs of the extension switch are extended. At the same time, the inner wall surface of the extension rod 34 is inserted into the groove at both ends, thereby fixing the elongated inner rod 36 and the extension rod 34. The button 38 is disposed in the elongated inner rod 36, and one end thereof protrudes from the elongated inner rod 36 to enter the central hole of the cap, and the button 38 has a shoulder to prevent the button from sliding out of the central hole; the other end of the button is sleeved The head of the switch 37 is lengthened. When the button 38 is pressed inwardly along the center hole, the two legs of the extension switch 37 are pressed by the inner wall of the button 38 to contract toward the center portion of the extension inner rod, so that the two end legs of the extension switch are from the inner wall of the extension rod The groove is disengaged so that the elongated inner rod can be telescopically moved inside the extension rod.

In a preferred embodiment, the trachea 7 is made of a material having a certain expansional elasticity, such as rubber; more preferably, the trachea 7 has a helical section at its midsection. Since the wall of the air tube 7 is expandable, the air is compressed into the shower gel at the pump blade 23. During the chamber, the trachea 7 can be expanded to provide a certain buffering effect. When the shower gel is stored in the shower gel chamber, the shower gel is sprayed too fast or excessively sprayed under the action of gas pressure. The provision of a spiral section in the middle of the trachea 7 enhances the aforementioned cushioning effect, on the one hand increasing the path of gas circulation and on the other hand increasing the expansion performance of the spiral section. Preferably, the inner diameter of the trachea is in the range of 1-10 mm, and when the trachea has a helical section in the middle portion, the outer circumferential diameter of the spiral segment is preferably in the range of 4-8 times compared to the inner diameter of the trachea, and the helical segment is preferably spiral 2-6 laps (匝).

The working process of the automatic shower gel with automatic shower gel of the present invention is as follows: when pressing the opening key on the main body, the brush disc is rotated by the motor under the driving of the motor, and the driving key is short-pressed, and the brush disc is changed to The speed of the second gear is rotated, and then the button is turned on briefly, and the brush is stopped. In the power-on state, press the shower button, the motor drives the pump blade to rotate, the gas enters the shower gel chamber from the air pipe, squeezes the shower gel to the back of the brush plate, and the brush disk rotates. The shower gel penetrates from the hole in the brush plate to the brush. The front side of the plate is finished with automatic shower gel. When the length of the bath brush is not enough, the extended inner rod can be pulled out to increase the length.

In the circuit diagram of Figure 6, F1 is a self-recovery fuse, connected to the output of the battery. When the current is too large, F1 will be automatically disconnected, which plays a good role in protection; C1, C2 and C3 are connected. The filter capacitors at both ends of the power supply can filter out unwanted ripples to ensure the stability of the power supply. The LDO converts the voltage of the battery into a regulated DC voltage for use by the load. In the circuit diagram of Figure 7, U1 is the motor drive chip, according to the signal sent by the MCU for processing and then controlling the forward and reverse function of the motor. C4 is the absorbing capacitor, which is responsible for absorbing the interference generated by the motor and making the circuit more stable. The main functions of the circuit in Figure 8 are switching machine and forward and reverse, etc. U3 is the control chip, the user inputs through S1/S2 switch, then U3 analyzes different commands to control the action of the whole system; C5 provides series of anti-corrosion for filter capacitor Interference capability; R1 and R2 are voltage divider resistors respectively. The voltage of VCC is sent to the MCU after being stepped down. After the MCU detects that the voltage is too low, it will stop working and protect the battery life.

While the present invention has been described in detail with reference to the preferred embodiments of the present invention, the present invention is not limited thereto, and those skilled in the art can make appropriate modifications and variations without departing from the spirit and scope of the invention. The terms defined in the claims shall prevail.

Claims

An electric shower brush with automatic shower gel, comprising an extension rod assembly, a battery box and a brush head connected in sequence, wherein the brush head portion comprises a brush disc, a fixed wheel, a drive shaft, a bottom shell, a gas pipe, a gear box cover, The upper shell, the motor, the pump cover and the pump blade; wherein the brush disc is fixed on the fixed wheel, the fixed wheel is fixed on the transmission shaft, and the drive shaft is driven by the motor to realize the forward and reverse rotation of the brush disc; the pump blade is fixed at the bottom by the pump cover On the shell, the pump leaves the pump, and the gas compressed by the pump leaves enters the space of the shower gel composed of the bottom case, the upper case and the gear box cover through the air pipe and squeezes the shower gel, so that the shower gel is bathed by the bottom case. The exposed outlet flows out and drops onto the top of the brush tray to realize the function of automatically adding shower gel.
The electric shower brush for automatic shower gel according to claim 1, wherein the motor drives the transmission shaft through the first worm, the first worm wheel, the small teeth, the transition teeth and the transmission teeth to realize the forward and reverse rotation of the brush disk; The blade is driven by the motor through the second worm, the second worm wheel, and the one-way bearing.
An electric shower brush for automatic shower gel according to any of the preceding claims, wherein the battery case is fixed to the first connecting member by a gland, a first spring and a first press.
An automatic shower gel according to any of the preceding claims, wherein the extension rod assembly is fixed to the battery case by a fixing piece, a second pressing, and a second spring through the second connecting member.
An electric shower brush for automatic shower gel according to any of the preceding claims, wherein the extension rod assembly comprises an elongated inner rod and an extension rod, and the elongated inner rod is mounted in the extension rod.
An electric shower brush for automatic shower gel according to any of the preceding claims, characterized in that the air tube is made of a rubber material.
The automatic shower gel according to any of the preceding claims, wherein the first connecting member has a columnar protrusion, the first spring is sleeved on the columnar protrusion, and the first button has a recess, the first a spring away from the columnar projection One end is disposed in the recess, and the battery case and the bottom case have openings therein.
An electric shower brush for automatically adding shower gel according to any of the preceding claims, characterized in that the inner wall surface of the extension rod is provided with a groove at both ends; the lengthened inner rod is always at the upper and lower walls of the one end portion of the extension rod The through holes are respectively provided, and the other end has a cap.
The automatic shower gel according to any of the preceding claims, wherein the button is disposed in the elongated inner rod, one end of which protrudes from the elongated inner rod and enters the central hole of the cap, and the button has a convex Shoulder; the other end of the button is placed over the head of the extended switch.