CN211312654U

CN211312654U - Driving mechanism of pool cleaner

Info

Publication number: CN211312654U
Application number: CN201921779863.8U
Authority: CN
Inventors: 黄志雄; 张英彪; 林正文
Original assignee: Mingda Industry Xiamen Co ltd
Current assignee: Mingda Industry Xiamen Co ltd; Intex Industries Xiamen Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-21
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a actuating mechanism of pond sweeper, including the impeller, be used for driving the rotatory motor of this impeller, be used for carrying out the battery and the casing of supplying power to this motor, this casing is equipped with airtight inner chamber, and this motor is installed at this airtight inner chamber with this battery, is equipped with the gas pocket on this casing, still includes waterproof ventilated membrane, and this waterproof ventilated membrane covers this gas pocket. Set up the gas pocket on the casing and cover through waterproof ventilated membrane, the waterproof ventilated membrane of combustible gas accessible that the battery produced avoids combustible gas concentration too big outside the casing, consequently this pond sweeper's actuating mechanism can effectively guarantee the security that pond sweeper used.

Description

Driving mechanism of pool cleaner

Technical Field

The utility model relates to a driving mechanism of pool sweeper.

Background

The water pool contains more or less garbage such as debris, leaves, moss, dirt and the like, so the water pool needs to be cleaned regularly. In the early days, people clean the water tank after emptying the water tank, so that water sources are wasted, and the efficiency is poor. Later people designed the sweeper that can clean the operation in aqueous, utilized the motor drive impeller to rotate to drive rivers intercommunication rubbish and inhale the garbage bin together, rubbish is filtered in the middle of the garbage bin, and rivers discharge the garbage bin again, and motor and power are acceptd in the middle of a close confined box body. However, in the current pool cleaner, the battery and the motor are sealed in the same sealed environment, the battery can release combustible gas in a charging and discharging state, the carbon brush can ignite when the motor runs, and once the combustible gas reaches a sufficient amount, the explosion is easy to occur. Thus, there is a safety concern with existing pool sweepers in use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a driving mechanism of a pool sweeper, which overcomes the defects of the prior art. The utility model provides a technical scheme that its technical problem adopted is:

the driving mechanism of the pool sweeper comprises an impeller, a motor, a battery and a casing, wherein the motor is used for driving the impeller to rotate, the battery and the casing are used for supplying power to the motor, the casing is provided with a closed inner cavity, the motor and the battery are installed in the closed inner cavity, an air hole is formed in the casing, the pool sweeper further comprises a waterproof breathable film, and the waterproof breathable film covers the air hole.

In a preferred embodiment: the casing comprises a casing body and a casing cover, the casing cover seals the opening on the top surface of the casing body, and the air hole is formed in the casing cover.

In a preferred embodiment: the battery box is provided with a sealed chamber, the battery is installed in the sealed chamber of the battery box, the battery box further comprises two conductive connecting pieces which are respectively in conductive connection with the anode and the cathode of the battery, the conductive connecting pieces penetrate through the battery box in a sealed mode, and the conductive connecting pieces are sealed with the battery box through sealing pieces or secondary encapsulation.

In a preferred embodiment: the battery box comprises a box body and a box cover, the box cover covers the opening on the top surface of the box body, and the conductive connecting piece penetrates through the box cover.

In a preferred embodiment: the box cover is provided with a joint pipe extending upwards, the lower end of the joint pipe is communicated with the sealed chamber of the battery box, and the upper end of the joint pipe is communicated with the air hole.

In a preferred embodiment: the shell is internally provided with a mounting groove, the motor is arranged in the mounting groove, and the motor further comprises a sealing cover for sealing the opening of the mounting groove; the motor is characterized by further comprising two conductive connecting pieces which are respectively in conductive connection with the positive electrode and the negative electrode of the motor, the conductive connecting pieces penetrate through the sealing covers in a sealing mode, and the conductive connecting pieces are sealed with the sealing covers through sealing pieces or secondary encapsulation.

In a preferred embodiment: the motor also comprises a circuit board used for controlling the motor to start and stop, the circuit board is arranged in the shell, and the battery is electrically connected with the circuit board.

In a preferred embodiment: the circuit board is connected with a capacitance sensing probe used for detecting water signals, the capacitance sensing probe is arranged in the shell, and the circuit board starts the motor when the water signals are detected by the capacitance sensing probe.

In a preferred embodiment: a positioning groove is arranged in the casing, and the lower part of the capacitance sensing probe is inserted into the positioning groove.

In a preferred embodiment: the wall thickness of the positioning groove is less than or equal to 4mm, and the distance between the capacitance sensing probe and the inner wall of the positioning groove or the inner wall of the positioning groove is less than or equal to 2 mm.

Compared with the background technology, the technical scheme has the following advantages:

1. set up the gas pocket on the casing and cover through waterproof ventilated membrane, the waterproof ventilated membrane of combustible gas accessible that the battery produced avoids combustible gas concentration too big outside the casing, consequently this pond sweeper's actuating mechanism can effectively guarantee the security that pond sweeper used.

2. Set up the battery case in addition in the casing, the motor is arranged in two independent confined spaces with the battery branch, can prevent isolation battery and motor like this better, and the security performance is better. Particularly, the inner cavity of the battery box can be communicated with the air hole through the joint pipe, and the combustible gas generated by the battery is directly discharged out of the shell, so that the opportunity of contacting with the motor is eliminated.

3. The shell is internally provided with a mounting groove for placing the motor, and the motor and the battery are respectively arranged in two independent sealing spaces, so that the motor can be prevented from contacting with combustible gas.

4. The capacitance induction probe is arranged in the shell, and once the driving mechanism is immersed in water, the capacitance induction probe detects a water signal and feeds the water signal back to the circuit board, and the circuit board drives the motor to rotate. The capacitance induction probe is arranged in the shell, is isolated from water and has good safety performance.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded view of a first embodiment of the drive mechanism of the pool sweeper of the present invention.

FIG. 2 is a cross-sectional schematic view of the drive mechanism of the pool sweeper of FIG. 1.

Fig. 3 is an exploded view of a second embodiment of the drive mechanism of the pool sweeper of the present invention.

FIG. 4 is a cross-sectional schematic view of the drive mechanism of the pool sweeper of FIG. 3.

Fig. 5 is an exploded view of a third embodiment of the drive mechanism of the pool sweeper of the present invention.

Figure 6 is a cross-sectional schematic view of the drive mechanism of the pool sweeper of figure 5.

Detailed Description

Example one

Referring to fig. 1 and 2, the driving mechanism of the pool cleaner includes an impeller 10, a motor 20 for driving the impeller to rotate, a battery 30 for supplying power to the motor, a housing 40, and a waterproof and breathable film 50. The casing 40 is provided with a sealed inner cavity, the motor 20 and the battery 30 are installed in the sealed inner cavity, and the impeller 10 is located outside the casing 40. The casing 40 is provided with an air hole, and the waterproof breathable film 50 covers the air hole. After the combustible gas in the closed inner cavity is increased, the pressure intensity is increased, and the combustible gas is naturally discharged outwards through the waterproof breathable film 50.

The casing 40 is provided with an opening corresponding to the motor 20, a copper bush 41 is arranged in the opening, a connecting shaft 42 is sleeved on an output shaft of the motor 20, the connecting shaft 42 penetrates through the copper bush 41 and then extends to the outside of the casing 40 to be connected with the impeller 10, and a shaft sealing gasket 43 is arranged on the copper bush 41 and the connecting shaft 42.

The casing 40 includes a housing 40-1 and a cover 40-2, the cover 40-2 sealing an opening of a top surface of the housing 40-1, the air hole being provided on the cover 40-2.

The motor also comprises a circuit board 60 for controlling the start and stop of the motor 20, the circuit board 60 is arranged in the casing 40, and the battery 30 is electrically connected with the circuit board 60. A capacitance sensing probe 62 for detecting a water signal is connected to the circuit board 60, the capacitance sensing probe 62 is disposed in the housing, and the circuit board 60 starts the motor 20 when the water signal is detected by the capacitance sensing probe 62. In operation, when the driving mechanism of the pool cleaner enters the water body along with the pool cleaner, the capacitance sensing probe 62 detects the water signal and feeds the water signal back to the circuit board 60, the circuit board 60 controls the motor 20 to start after obtaining the water signal, and the motor 20 drives the impeller 10 to rotate.

Preferably, a positioning groove 44 is formed in the housing 40, and a lower portion of the capacitance sensing probe 62 is inserted into the positioning groove 44. The wall thickness of the positioning groove 44 is less than or equal to 4mm, and the distance between the capacitance sensing probe 62 and the inner wall of the positioning groove 44 or the inner wall of the positioning groove is less than or equal to 2mm, so that the capacitance sensing probe 62 can better detect the water signal.

Example two

Referring to fig. 3 and 4, the difference between the second embodiment and the first embodiment is: the battery case comprises a battery case 70 arranged in a sealed inner cavity of the case 40, the battery case 70 is provided with a sealed chamber, the battery 30 is arranged in the sealed chamber of the battery case 70, the battery case further comprises two conductive connecting pieces 80 which are respectively in conductive connection with the positive electrode and the negative electrode of the battery 30, the conductive connecting pieces 80 are hermetically penetrated through the battery case 70, and preferably, the conductive connecting pieces 80 are sealed with the battery case 70 through sealing pieces or secondary encapsulation. The two conductive connectors 80 serve to guide the positive and negative electrodes of the battery 30 to the outside of the battery case 70, so that the circuit board 60 and the motor 20 can be smoothly electrically connected to the battery 30 while ensuring the sealing of the battery case 70.

In this embodiment, the battery case 70 includes a case body 70-1 and a case cover 70-2, the case cover 70-2 covers an opening of a top surface of the case body 70-1, and the conductive connector 80 passes through the case cover 70-2. The cap 70-2 is provided with a connector tube 73 extending upward, the lower end of the connector tube 73 is communicated with the sealed chamber of the battery box, and the upper end of the connector tube is communicated with the air hole. Thus, the combustible gas generated from the battery 30 is discharged into the sealed chamber of the battery case 70 and is guided to the waterproof and gas-permeable membrane 50 through the connector pipe 73.

EXAMPLE III

Referring to fig. 5 and fig. 6, the difference between the third embodiment and the first embodiment is: the casing 40-1 is provided with a mounting groove 45, the motor 20 is mounted in the mounting groove 45, and further comprises a sealing cover 90 for sealing an opening of the mounting groove 45, and further comprises two conductive connecting pieces 80a respectively conductively connected with the positive electrode and the negative electrode of the motor 20, wherein the conductive connecting pieces 80a are hermetically passed through the sealing cover 90, and preferably, the conductive connecting pieces 80a are hermetically sealed with the sealing cover 90 through a sealing piece or secondary encapsulation. The two conductive connectors 80a are used to guide the positive and negative poles of the motor 20 to the outside of the mounting groove 45, so that the motor 20 can be smoothly electrically connected to the circuit board 60 and the battery 30 while ensuring the sealing of the mounting groove 45.

Since the sealing cover 90 seals the motor 20 in the mounting groove 45, the combustible gas generated from the battery 30 is discharged into the sealed chamber of the cabinet 40, but cannot enter the mounting groove 45, thereby preventing the motor 20 from contacting the combustible gas.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Actuating mechanism of pond sweeper, including the impeller, be used for driving the rotatory motor of this impeller, be used for carrying out the battery and the casing of power supply to this motor, this casing is equipped with airtight inner chamber, its characterized in that: the motor and the battery are arranged in the closed inner cavity, the shell is provided with an air hole, and the motor further comprises a waterproof breathable film, and the waterproof breathable film covers the air hole.

2. The drive mechanism for a pool sweeper of claim 1, wherein: the casing comprises a casing body and a casing cover, the casing cover seals the opening on the top surface of the casing body, and the air hole is formed in the casing cover.

3. A drive mechanism for a pool sweeper according to claim 1 or 2, wherein: the battery box is provided with a sealed chamber, the battery is installed in the sealed chamber of the battery box, the battery box further comprises two conductive connecting pieces which are respectively in conductive connection with the anode and the cathode of the battery, the conductive connecting pieces penetrate through the battery box in a sealed mode, and the conductive connecting pieces are sealed with the battery box through sealing pieces or secondary encapsulation.

4. The drive mechanism for a pool sweeper of claim 3, wherein: the battery box comprises a box body and a box cover, the box cover covers the opening on the top surface of the box body, and the conductive connecting piece penetrates through the box cover.

5. The drive mechanism for a pool sweeper of claim 4, wherein: the box cover is provided with a joint pipe extending upwards, the lower end of the joint pipe is communicated with the sealed chamber of the battery box, and the upper end of the joint pipe is communicated with the air hole.

6. The drive mechanism for a pool sweeper of claim 2, wherein: the shell is internally provided with a mounting groove, the motor is arranged in the mounting groove, and the motor further comprises a sealing cover for sealing the opening of the mounting groove; the motor is characterized by further comprising two conductive connecting pieces which are respectively in conductive connection with the positive electrode and the negative electrode of the motor, the conductive connecting pieces penetrate through the sealing covers in a sealing mode, and the conductive connecting pieces are sealed with the sealing covers through sealing pieces or secondary encapsulation.

7. A drive mechanism for a pool sweeper according to claim 1 or 2, wherein: the motor also comprises a circuit board used for controlling the motor to start and stop, the circuit board is arranged in the shell, and the battery is electrically connected with the circuit board.

8. The drive mechanism for a pool sweeper of claim 7, wherein: the circuit board is connected with a capacitance sensing probe used for detecting water signals, the capacitance sensing probe is arranged in the shell, and the circuit board starts the motor when the water signals are detected by the capacitance sensing probe.

9. The drive mechanism for a pool sweeper of claim 8, wherein: a positioning groove is arranged in the casing, and the lower part of the capacitance sensing probe is inserted into the positioning groove.

10. The drive mechanism for a pool sweeper of claim 9, wherein: the wall thickness of the positioning groove is less than or equal to 4mm, and the distance between the capacitance sensing probe and the inner wall of the positioning groove or the inner wall of the positioning groove is less than or equal to 2 mm.