JPS62246341A - Electric cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a vacuum cleaner that is used by connecting a hose, an extension pipe, and a floor nozzle to the vacuum cleaner body.

Conventional technology Conventionally, this type of vacuum cleaner
The configurations shown in Japanese Utility Model Publication No. 1983-44445 were common.

The configuration will be explained below based on the drawings.

In FIG. 6, reference numeral 1 denotes a vacuum cleaner main body (hereinafter referred to as the main body) which includes an electric blower 2, a dust collection bag (not shown), etc., and has front wheels 3 and rear wheels 4 for running at the bottom.

A hose 6 is connected to an intake port (not shown) provided at the front of the main body 1, and is used by connecting an extension pipe 6 and a floor nozzle 7.

Reference numeral 8 denotes a hand switch disposed on the handle 9 of the hose 5, which starts and stops the electric blower 2 built into the main body 1. A conductor or terminal (both not shown) is connected between the electric blower 2 and the hand switch 8. ) etc.

FIG. 7 shows another conventional example, in which a connecting pipe 10 arranged at one end of a hose 5 and bent is connected to a suction port (not shown) provided at the front upper part of the main body 1. , connection pipe 1
0 is rotatable.

Therefore, the suction port and the connecting pipe 10 are equipped with a circular rail for electrical connection, a terminal that contacts the rail, and a base airtight gasket (none of which is shown) to hold them.
Problems to be Solved by the Invention The conventional vacuum cleaner has a complicated structure, such as: A hose 5 is connected to the intake port provided at the front of the main body 1, and then an extension pipe 6 is connected to the hose 5. It is used by connecting the floor nozzle 7 and turning on the hand switch 8 of the handle 9, but when cleaning, the main body 1 must be pulled around while pulling the hose 6.

However, a typical home room has a sofa and a table.

There was furniture, etc., and the main body 1 was difficult to clean.

Also, when cleaning high places such as ceilings by attaching another nozzle to the tip of the extension tube 6, if you lift the extension tube 6 side by the handle 9, the front part of the main body 1 will lift up. However, if the hose 5 is made longer, it becomes heavier and the usability becomes worse.

In addition, in order to solve the problem that cleaning is difficult due to the presence of furniture, etc., the connection pipe 1 of the hose 6 is
There is also a device in which the main body 1 can be placed in one place in the room for cleaning by making it rotatable, but as mentioned above, the structure of the connecting pipe 10 and the suction port is complicated and the price is high. , which also caused malfunctions.

Furthermore, since the connecting pipe 10 is arranged at the upper part of the main body 1 and is bent, there is a problem that the pressure loss is large and the performance is low.

In addition, in this type of vacuum cleaner, the connection position of the connection pipe 10 is located above the front wheel 3 due to its structure, and the hose 6 rotates, so the followability of the main body 1 is worse than that of the type of vacuum cleaner shown in Fig. , the running performance was poor.

The present invention eliminates these conventional drawbacks and greatly improves the usability of the vacuum cleaner.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a plug-in terminal that contacts a terminal arranged at the suction port of a vacuum cleaner body, and a plug-in pipe that is detachably inserted into the suction port. , connect a connecting pipe to which a hose with a built-in conductor is connected using a flexible hose, and placing a pipe cover that covers and holds the ends of the flexible hose, the insertion pipe, and the connecting pipe, and each of the pipes. The connecting portion of the cover is formed into a substantially spherical shape and is rotatably connected, and a lead wire for connecting the conductor of the hose and the plug-in terminal is arranged between the flexible hose and the pipe cover.

Function The present invention has the above-described structure, and allows the connection part of the hose to the front part of the main body to be freely rotated in all directions such as front and back, left and right, and
This makes it easy to clean the entire room without having to move the main unit much, and improves the followability of the main unit.It also improves usability by allowing you to start and stop the electric blower from your hand.〇 In addition, a flexible hose is provided at the rotating part to follow the rotation of the pipe cover, and to prevent air leakage and to keep the lead wires and their connections from dirt and external sources. Protected from contact.

Further, the flexible hose, the insertion pipe, and the stopper pipe are press-fitted, and rotation of the pipe covers is prevented to prevent the lead wires from twisting.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.

1 to 5, 15 is the main body of the vacuum cleaner, and this main body 15 has a dust collection chamber 17 in which a dust collection bag 16 is removably built in on the front side, an electric blower 18 on the rear side, and a cord winding device. (not shown), etc., and a dust lid 21 that covers the dust collection chamber 17.

22 is arranged in the front part of the dust collection chamber 17, and the dust cover 21
A Vr-shaped front cover has a suction port 25 into which an insertion pipe 24 attached to one end of a hose 23 is removably inserted, and the suction port 26 is formed at an angle.
The insertion pipe 24 is inserted obliquely from above. Reference numeral 26 denotes an atator disposed inside the front cover 22.

27.28 is the front wheel for movement arranged at the lower part of the lower body 2o and the rear width.

A handle 3o equipped with a hand switch 29 is provided at the other end of the hose 23, and an extension pipe 31 and a floor nozzle 32 are connected to the tip thereof.

When in use, hold the handle 30 and move the floor nozzle 32 on the floor.

The electric blower 18 and a terminal 33 connected to a connection cord (not shown) connected to the cord of the cord winding device are arranged at the suction port 26, and a knob 34 is connected to the insertion pipe 24.
A plug-in terminal 36 arranged therewith is brought into contact with the connector.

The insertion pipe 24 is connected to a joint pipe 36 to which the hose 23 is connected via a flexible hose 37,
Pipe covers 38 that cover and hold the ends of the flexible hose 37, the insertion pipe 24, and the joint pipe 36 connected to both ends thereof are provided, and a joint portion of each of the pipe covers 38 is provided. are formed into a substantially spherical shape and fitted together, and the other pipe cover 38 is rotatable in all directions, front and back, left and right, with respect to one pipe cover 38, about the center of the substantially spherical body.

A conductor 39 is spirally built into the hose 23 and covered with an insulator, and is connected to the insertion terminal 36 via a lead wire 40.

The lead wire 40 is disposed between the flexible hose 3 and the pipe cover 38, and each connection portion of the lead wire 4o is also covered with a respective pipe cover 38.

Note that each of the pipe covers 38 is composed of upper and lower or left and right halves, which are combined to form one pipe cover 38. The knob 34 to be fixed is also inserted into the pipe cover 38.
It is held at 4.

Further, the flexible hose 37 is press-fitted and fixed into the insertion pipe 24 and the joint pipe 36, thereby preventing the pipe cover 38 from rotating and twisting the lead wire 40.

Next, to explain the operation, when using the vacuum cleaner, the main body 16
Connect the hose 23, extension pipe 31, and floor nozzle 32 to the
8 is activated and sucks dust while moving the floor nozzle 32, but the main body 16 is placed in one place in the room and can be cleaned by rotating the connection part of the hose 23 without moving it much.

Effects of the Invention As described above, the present invention has a substantially spherical part that is attached to the connection part of the hose that is inserted into the suction port arranged at the front part of the vacuum cleaner body so that it can rotate freely in all directions such as front and back, left and right. A flexible hose that connects the pipes and has a gap between the pipe cover and the pipe cover and freely responds to rotation is arranged inside the pipe cover, and further, A lead wire connecting the plug-in terminal and the conductor of the hose is placed between the hose and the pipe cover, and there is no air leakage from the pipe cover connections, so there is no performance deterioration. Even indoors, the main body of the vacuum cleaner can be easily cleaned by rotating the hose at an appropriate position.

In addition, compared to the conventional example in which the connecting pipe is rotatable, the number of parts is reduced in the connection configuration from the power source and electric blower to the hose hand switch, and reliability and ease of assembly are improved. There is.

In addition, the lead wire and its both end connections are covered with a flexible hose and pipe cover, which prevents dust from adhering to it and provides high safety.Also, the pipe cover can be rotated, but the lead wire is prevented from rotating. The vacuum cleaner is prevented from twisting and is highly usable.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing the connection part of the hose to the vacuum cleaner body in an embodiment of the present invention, FIG. 2 is a side view of the vacuum cleaner body, and FIG. 3 is a front view of the connection part of the hose. Figure 4 is the third
Figure 6 is a side view showing the hose, extension pipe, and floor nozzle connected to the main body of the vacuum cleaner, Figure 6 is a side view of a conventional vacuum cleaner, and Figure 7 is another example. It is a side view of the vacuum cleaner in the conventional example. 21...Dust lid, 23...Hose,
24...Insert pipe, 25...Suction port, 33...Terminal, 34...Knob,
36... Plug terminal, 36... Tsugi pipe, 37... Flexible vibe, 38...
...Pipe cover, 39...Conductor, 40...
···Lead. Figure 4

Claims (2)

[Claims] (1) A knob that is fixed to the suction port of the vacuum cleaner body and a plug-in terminal that contacts the terminal placed in the suction port are arranged, and a plug-in pipe and a conductor that are detachably inserted into the suction port are built-in. A flexible hose is used to connect a connecting pipe to which the hose is connected, and a pipe cover is arranged to cover and hold the end of the flexible hose, an insertion pipe connected to both ends of the flexible hose, and an end of the connecting pipe, and each of the above-mentioned The connecting portion of the pipe cover is formed into a substantially spherical shape and is rotatably connected, and a lead wire for connecting the conductor of the hose and the plug-in terminal is arranged between the flexible hose and the pipe cover. Vacuum cleaner. (2) The vacuum cleaner according to claim 1, wherein the flexible hose, the insertion pipe, and the joint pipe are press-fitted to prevent the pipe covers from rotating together.