JPS5820219Y2 - vacuum cleaner - Google Patents

Description

[Detailed description of the invention] This invention relates to a vacuum cleaner, especially its dust removal device.The purpose of this invention is to remove dust adhering to the filter more efficiently and hygienically. It is related to the device.

An embodiment of this invention will be described below with reference to the drawings.

In the figure, 1 is a main body case which has an electric blower 2 in the upper part, a cord reel device 3 in the lower part, and a communication port 4 on the side, and 5 is connected to the main body case 1 through a latch 6. This is a dust collection case that is detachably attached, and an opening 8 is formed in the front part of the case at the rear of the intake lower part.

9 has a sealing gasket 10 fixed to its outer periphery, and a bearing hole A11.9 in the center. It is a frame wall plate having a large number of ventilation holes 12 on its outer periphery, and is detachably provided in the dust collecting case 5 so as to close the opening 8 of the dust collecting case 5.

Reference numeral 32 denotes a gear, which has teeth for transmission on its outer periphery, and has a rotary cylinder 13 in the center that is rotatably inserted and supported in the bearing holes All of the frame wall plate 9, and a rotary cylinder 13 that is rotatably supported in the bearing hole All of the frame wall plate 9; A connecting portion A14 is formed at.

Reference numeral 15 denotes a cylindrical wave filter having a shaft portion 16 at its center, which is rotatably inserted and supported in the rotary cylinder 13 of the gear 32. A transmission portion 17 is formed on the intake side of the shaft portion 16, and a transmission portion 17 is formed on the intake side of the shaft portion 16. A connector 18 is supported on the side, which is connected to the connector A14 of the gear 32 for rotation in only one direction, and rotates the wave filter 15.

Reference numeral 19 denotes a spring that constantly biases this connector 18 to the connection part A14, and 20 a seal attached to cover the exhaust side surface of the cylindrical wave filter 15, a part of which is in circumferential contact with the frame wall plate 9. The gasket 21 is attached to the outer periphery of the bearing hole All of the frame wall plate 9, and one end extends to the inner surface of the cylindrical wave filter 15, so that when the wave filter 15 rotates, it protects the inner surface, that is, the top of the exhaust side. The repelling main striking part 22 is attached to the outer periphery of the tip of the rotary cylinder 13 of the gear 32, and one end extends to the inner surface of the cylindrical wave filter 15, so that when the gear 12 rotates, the wave filter 15
The auxiliary striking part 23 for repelling the inner surface, that is, the peak part on the exhaust side, is attached to the frame wall plate 9 so as to cover the periphery of the corrugated filter 15.
It is a pre-filter detachably attached to the net 24 on the negative side, a support hole 25 in the center thereof, and a door 26 below which discards the dust removed by the corrugated filter 15 to the outside.
have.

A cleaning element 27 comes into contact with the outer surface of the net 24 of the pre-filter 23, and one end thereof passes through the support hole 25 and is attached with a connecting part B 28 which is detachably connected to the transmitting part 17.

29 is rotatably supported by the frame wall plate 9, the minus side meshes with the gear 32, and the other side transmits the rotational force from the cord reel device 3 when the dust collection case 5 is coupled to the main body case 1. This is an intermediate connector that is detachably connected to a transmitter 30 that is rotatably attached to the main body case 1.

Since this invention has the above-mentioned configuration, when the cord is pulled out from the main body when using the vacuum cleaner, the rotational force of the cord reel device 3 is transmitted to the gear 32 via the transmitter 30 and the intermediate connector 29.

The wave filter 15, which is connected to the connecting part A14 of the gear 32 via a connecting tool 18 that is connected only when the cord is pulled out, rotates.

For this reason, the main striking part 21 attached to the bearing hole All of the frame wall plate 9 repels the inner surface of the corrugated filter 15 to remove dust.

At this time, the cleaning element 27 connected to the transmission section 17 of the rotating wave filter 15 via the connection section B28 also rotates to remove dust from the pre-filter 23.

Also, the auxiliary striking part 22 attached to the rotary cylinder 13 of the gear 32 also rotates, but the waveform filter 15
Since it is also rotating, there is no dust removal effect.

Thereafter, when the cleaning is finished and the cord is wound up by the cord reel device, the cord is transmitted to the gear 32 in a reverse rotation to that at the time of withdrawal.

Therefore, the connecting portion A14 moves the connecting tool 18, and the two do not mesh with each other, so that the waveform filter 15 does not rotate.

Naturally, the cleaning element 27 also does not rotate. However, the auxiliary striking part 22 attached to the rotating cylinder 13 of the gear 32 rotates,
Dust is removed by repelling the inner surface of the waveform filter 15.

Note that the reason why the corrugated filter 15 does not rotate at this time is that the frictional force generated between the seal gasket 20 and the frame wall plate 9 and the force that repels the inner surface of the corrugated filter 15 are stronger than the main striking part 21 and the auxiliary striking part 22. This is because it is more strongly constructed.

As mentioned above, this device removes dust from the corrugated filter by installing two dust removers to remove dust from the corrugated filter.When the cord is pulled out, the main dust remover removes dust, and when the cord is drawn in, the auxiliary dust remover removes dust from the wave filter. Therefore, the corrugated filter is always fresh, and the life of the dust remover is doubled compared to the conventional dust remover that removes dust both when the cord is caught in and when it is pulled out.

[Brief explanation of the drawing]

The figures show an embodiment of the vacuum cleaner of this invention, with FIG. 1 being a longitudinal sectional view of the vacuum cleaner body, and FIG. 2 being a longitudinal sectional view of the filter device. In addition, in the figure, 5 is a dust collection case, 9 is a frame wall board, 32 is a gear,
15 is a waveform filter, 21 is a main striking part, and 22 is an auxiliary striking part.

Claims (1)

[Scope of utility model registration request] A main body case with a built-in electric blower and a cord reel, a dust collection case detachably connected to this case, a filter provided in this dust collection case, and a pair of striking parts that are in contact with this filter. One of the striking parts and the filter are connected to the cord reel via a driving force transmission element.
One of the striking parts is driven by the rotational force of the cord reel both when the cord is reeled in or retracted, and the filter is driven by the rotational force of one cord reel when the cord is retracted or retracted. A vacuum cleaner characterized in that dust removal from the filter is performed alternately by one of the pair of striking parts both when the cord is wound in and when the cord is retracted from the cord reel provided on the main body.