JPH01320033A - Hose for vacuum cleaner - Google Patents

Abstract

PURPOSE:To convert a main suction hole body and an auxiliary suction hole body in one action by rotting an auxiliary hose to link a switch valve mechanism, closing the pipe passage at the main suction hole body side while opening the pipe passage at the auxiliary suction hole body side, and making only the pipe passage at the auxiliary suction hole body side in the condition linking to a cleaner main body. CONSTITUTION:When an auxiliary suction hole body is used, an auxiliary hose 30 is rotated 90 deg.. Since the base end 33 and the connection hole 36 of the auxiliary hose 30 enters in a linking 40, a switch valve 51 which has been enforced to close a linking hole 44 is pushed to the end of the connection hole 36, rotated against the enforced power of a spring member 52 to be separated from the linking hole 44, to open the linking hole 44. On the other hand, the switch valve 51 is contacted to the inner surface of the linking 40 to close the pipe passage of the linking 40 and the pipe passage of the main suction hole body side of a main hose. The connection hole 36 is connected to a main body suction hole 41, and the auxiliary hose 30 with the auxiliary suction hole installed and the main body 10 of the vacuum cleaner are linked.

Description

Detailed Description of the Invention "Industrial Application Field" The present invention has a main hose into which a main suction port body with a wide suction port is inserted, which is suitable for cleaning large areas, and a main hose that is suitable for cleaning narrow areas. This invention relates to a hose for a vacuum cleaner that is integrally equipped with a sub-hose into which a suitable sub-inlet body is inserted.

"Conventional 11 Conventional '1" is used as a vacuum cleaner hose, for example, as disclosed in Utility Model Publication No. 60-24256. There are some that allow you to use your mouth.

That is, as shown in FIGS. 12 and 13, the structure is as follows: - A short pipe 3 that can be rotated once is connected to the middle of the main hose 2 into which the main suction port 1 is inserted. A sub-hose 4 into which a sub-inlet body 7 is inserted is also provided.

A communication port 6 is bored in the seventh hose 2, and when the pipe 3 is rotated together with the sub hose 4, the suction port 5 of the sub hose 4 coincides with the communication port 6 of the main hose 2 and communicates with it.

The main suction port body 1 is provided with a slide plate 8 that can be freely slid by operating a switch 9 to restrict the flow of air in the main suction body 1. Hose 2 is now closed.

[Problem to be solved by the invention] However, with such a conventional vacuum cleaner hose, when switching from the usage state of the main suction port body 1 to the usage state of the sub-intake port body 7, or When switching from the state of use of body 7 to the state of use of suction body 1, rotate the pipe 3 attached to the auxiliary hose 4 and operate the switch 9 provided on the main suction body 1 to open the slide plate. 8 is a two-action operation, and since the operation part, pipe 3, and switch 9 are far apart, not only is the operability poor, but if you make a mistake, you may not be able to aspirate. There was a problem that the river was inconvenient and troublesome.

The present invention has been made in view of these problems, and provides a hose for a vacuum cleaner that has a single operation part and can be operated to switch between the main suction port body and the sub suction port body. is intended to provide.

``Means for Solving the Problems'' The gist of the present invention for achieving the above object is to provide a main hose, one end of which is attached to the vacuum cleaner body and the other end of which is fitted with a main suction port, and the main hose. A hose for a vacuum cleaner, which is provided to selectively communicate with a communication part formed in a part of the hose and includes a sub-hose into which a sub-intake unit is inserted at the tip, the communication part having a rotating part (11). ■When switching from using the main inlet body to using one sub-intake unit, connect the sub-hose to the main inlet body and, in conjunction with the rotation of the sub-hose, close the conduit on the main inlet body side while closing the sub-intake line. The pipe on the suction port side is communicated with the vacuum cleaner body, and when switching from using the sub suction port to using the main suction port, the pipe on the sub suction port closes while the pipe on the main suction port closes. The hose for a vacuum cleaner is characterized in that the communication portion is provided with a switching valve mechanism that communicates between the passage and the vacuum cleaner body.

``Operation'' When cleaning a large area using the 11 main suction bodies, the switching valve mechanism closes the pipe on the side of the sub suction port, and only the pipe on the main suction port communicates with the main body of the vacuum cleaner. It has become.

When the sub-hose is rotated from this state, the switching valve mechanism works in conjunction to close the pipe on the main suction port side, open the pipe on the sub-suction port side, and allow only the pipe on the sub-suction port side to communicate with the vacuum cleaner body. This will allow you to use the sub-inlet body to clean narrow spaces.

Furthermore, by rotating the sub-hose from this state in the opposite direction to the rotation direction, the switching valve mechanism operates in the opposite direction to the interlocking direction to close the conduit on the sub-inlet body side and close the main suction port. The duct on the body side is opened, and only the duct on the main suction port body side is in communication with the vacuum cleaner body again.

[Example" Various embodiments of the present invention will be described below based on one drawing.

1. [Figures 3 to 5 show a first embodiment of the present invention.

Main hose 2 as shown in 1171st and 2nd FA
0 is connected to the base end 21 or the suction port 11 of the vacuum cleaner body io, and a main suction port body 23 with a wide suction port suitable for cleaning a wide area is inserted into the tip 22. ,! I! edge 2
1 and the tip 22, both of which can be connected to or inserted into and removed from.A part of the main hose 20 has a substantially square prismatic cylindrical communication section with one side larger than the outer diameter of the main hose 20. 40 is provided, and there is an auxiliary hose of 30
It is equipped with.

As shown in FIGS. 3 to 5, the communication section 40 is connected to the main hose 2.
There is a cavity in which a main suction port 41 is opened on the side of the vacuum cleaner main body 1O which is in contact with 0, and a main suction port 42 is opened on the main suction port body 23 side.
A circular communication port 44 is provided in the outward facing surface 43 of the communication portion 40 .

The auxiliary hose 30 has a thin auxiliary suction port body 32 suitable for cleaning narrow spaces inserted into the tip 31, and the end 33 protrudes into and out of the communication portion 40 from the communication port 44. It has a shape bent at 90 degrees, and the outer diameter of the base end portion 33 is approximately concave with the diameter of the communication port 44.

The base end 33 is hinged to the conventional end 34 or the end M45 of the communication port 44 closest to the cleaner main body 10 with a hinge 35, so that the base end 33 can be connected to either the sub hose 30 or the main hose 2.
It is possible to rotate between an angle of 90@ from a state parallel to 0 to a state perpendicular to the main hose 20.

The base end portion 33 has a substantially concave surface with the communication port 44 of the communication portion 40 when the sub hose 30 is parallel to the main hose 20;
When the main hose 20 is perpendicular to the main hose 20, the connection 1136 connected to the main body suction port 41 is open inside the passage 40.

The communication port 4 is placed in close contact with the inner surface of the communication port 44 of the communication portion 40.
The switching valve 51, which is slightly larger than 4, is disposed inside the communication portion 40, is biased by a spring member 52 in the direction of contacting the surface of the communication port 44, and is hinged by a hinge 53.

The switching valve 51 is in contact with the communication 144 surface. The lA port 44 can be rotated from a fully closed state to a state where the communication port 44 is opened and the main hose 20 conduit on the main suction port body 23 side is closed in contact with the inner surface of the communication portion 40.

Communication KB40 and aid+a'B4 o inner nihane s material s
The switching valve 51, which is biased lt' and hinged by a hinge 53, and the base end 33 of the auxiliary hose 30 constitute a switching valve mechanism.

As shown in FIG. 1, a holder 60 having a magnet is fixed to the tip side of the sub hose 30, and a magnet of the holder 60 is attached to a part of the main hose 20 corresponding to the holder 60. A receptacle 61 is provided to hold the sub hose 30 parallel to the main hose 20 when the main suction port body 23 is used.

Next, the operation of the first embodiment will be explained.

When cleaning a large area using the main suction port body 23 with a wide suction port, the sub hose 30 is in a state parallel to the main hose 20 and the magnets of the holder 60 and the receiver 61 are attracted to each other. Retained. The switching 5p51 contacts the inner surface of the communication port 44 of the communication portion 40 to close it, and the main intake port body 2
Only the pipe on the third side is in communication with the vacuum cleaner main body 10.

When using the sub-inlet body 32, the sub-hose 30 is rotated 90 degrees from this state.

Then, since the base end 33 of the sub hose 30 and the connection port 36 enter the communication port 140, the switching valve 51, which had been biased to close the communication port 44, is pushed by the end of the connection port 36, and the spring member 52 and rotates against the urging force of the communication port 4.
4, and opens the communication port 44, while in contact with the inner surface of the communication portion 40, the conduit of the communication portion 40 and the conduit on the main suction port body 23 side of the main hose 20 are closed.

The connection port 36 is connected to the main body inlet 41 and the sub-inlet body 32
The auxiliary hose 30 into which the vacuum cleaner is inserted communicates with the vacuum cleaner main body lO, making it possible to clean narrow spaces.

To return to the original state, the sub hose 30 is rotated 90 degrees in the opposite direction from this state.

When the sub hose 30 is returned to the state parallel to the main hose 20, the connection port 36 comes out of the communication portion 40, and the switching valve 51 is moved away from the inner surface of the communication portion 40 due to the biasing force of the spring member 52 and faces the communication port 44. While the communication port 44 is closed, the main hose 20 on the main suction port body z3 side is opened,
The main suction port body z3 communicates with the cleaner body 10, and a wide area can be cleaned again.

6 to 8 show a second embodiment.

The main hose 20 is provided with a communication portion 40a having a structure different from that of the first embodiment. The communication portion 40a has a cylindrical shape with one end sealed and the other end serving as a communication port 44a, and is disposed such that its axis is perpendicular to the main hose 20.

In order to secure a conduit on the main suction port body 23 side, the communication portion 40a includes a main suction port 41a on the cleaner body lO side, which is slightly smaller than the inner diameter of the main hose 20, and a main suction port on the main suction port body 23 side. 42a is the perforation.

A cylindrical connecting tube part 32a having an outer diameter slightly smaller than the communication port 44a and longer than the outer diameter of the main hose 20 is provided at the base end 33 of the sub-hose 30 and bent at a substantially right angle to the sub-hose 30. It is inserted up to the sealed end of the communication portion 40a and is rotatably fitted.

A blocking surface 34a is provided on the circumference of the connecting cylinder portion 32a at a portion that contacts the inner periphery within the communication portion 40a, and the other portions are cut out to form a sub-intake port 33a. Blocking surface 3
4a is in a state perpendicular to the sub hose 30 or the main hose 20,
It is arranged so as to block the main suction port 42a.

The switching member 50 is parallel to the surface of the communication port 44a of the communication portion 40a.
The switching member 50a has a horseshoe-shaped switching valve 51a whose diameter is slightly smaller than the inner diameter of the connection port 36a, and an arm 52a.

The switching member 50a is slidably and removably fitted into a guide member 80a fixed to the main hose 20, and is displaced in a direction parallel to the main hose 20 on the same plane as the opening surface of the switching valve 51a or the communication port 44a. Supported by Kasai.

A support member 71a is provided to protrude in the radial direction from the connecting cylinder portion 32a, an elongated hole 55a is bored at the tip of the arm 52a of the switching member 50a, and a transmission pin is provided to protrude from the tip of the support member 71a. 70a is fitted into the elongated hole 55a. The elongated hole 55a is long in the direction perpendicular to the axis of the main hose 20 so as to provide relief when the base end 33 rotates about the axis of the connecting cylinder 32a and the transmission pin 70a is displaced.

Further, a switching valve 5 of the switching member 50a is provided in the connecting cylinder portion 32a.
A cutout groove 32b into which the groove 1a can be inserted is formed.

The transmission pin 70a and the elongated hole 55a are connected to each other by the displacement of the transmission pin 70a when the connecting cylinder portion 32a rotates.
When the switching member 50a is displaced via the switching valve 51a
The connecting cylinder portion 32a is arranged in a positional relationship that opens and closes the conduit.

Communication! ! 1140a, a connecting cylinder part 32a provided in the sub hose 30, a transmission pin 70a provided in the connecting cylinder part 32a, an arm 52a, and a switching valve 51a, and is fitted into the guide member 80a. The switching member 50a constitutes a switching valve mechanism.

Next, the operation of the second embodiment will be explained.

When the sub-hose 30 is rotated, the transmission pin 70a supported by the support member 71a is also rotationally displaced along with the rotation of the connecting cylinder portion 32a.

This rotational displacement is transmitted to the switching member 50a through the elongated hole 55a, and the switching valve 51a slides on the opening surface of the communication port 44a.

Further, the rotation of the sub hose 30 rotates the blocking surface 34a and the sub suction port 33a, thereby opening and closing the main suction port 42a.

Therefore, when switching from the usage state of the main inlet body 23 to the usage state of the auxiliary inlet body 32, if the auxiliary hose 30 held at 7g parallel to the main hose 20 is rotated by 90 degrees, The switching valve 51a slides to open the communication port 44a and communicate with the pipe on the side of the sub-intake port body 32.

At the same time, either the sub suction port 33a of the connecting cylinder portion 32a or the main suction port 4
2a and the main suction port 41a, and from the state where the pipe line on the main suction port body 23 side was in communication, to the blocking surface 34a or the main suction port body 23 side of the main hose 20. The duct is closed, and the sub-intake port 33a opens into the duct of the main hose 20 on the side of the vacuum cleaner main body lO, fff.

As a result, only the pipe from the vacuum cleaner main body IO to the sub-inlet body 32 side is communicated from the main hose 20 on the vacuum cleaner main body IO side to the sub-hose 30 through the communication port 44a, so that cleaning can be performed using the sub-intake port body 32. become.

In addition, when switching from the usage state of the sub-intake port body 32 to the usage state of the main inlet port body 23, the sub-hose 30 in a state perpendicular to the main hose 20 is rotated 90 inches in the opposite direction to the rotation direction. Then, the open communication port 44a is closed by sliding of the switching valve 51a.

at the same time,! From the state in which the A section 34a or the main suction port 42a is closed, the sub suction port 33a is located between the main suction port 42a and the main suction port 41a.

Therefore, only the conduit on the main suction port body 23 side is communicated with the main suction port body 23 so that cleaning can be performed using the main suction port body 23.

9 to 11 show a third embodiment of the present invention.

A communication portion 40b is provided in the middle portion of the L hose 20, and the communication portion 40b has a cylindrical shape as in the second embodiment.

The communication portion 40b is opened at the circumferential surface of the cylinder to form a communication port 41b, and communicates with the pipeline of the main hose 20 to have a main suction port 42b and a main body suction port 43b. A circumferential groove 44b is bored at an angle of approximately 90°.

A switching member 50b is arranged to rotate within the communication portion 40b, and the switching member 50b is inscribed in the cylindrical shape of the communication portion 40b and rotates and slides to communicate with the main suction port 42b at 1:44.
A cylindrical switching valve 51b that opens and closes lb and a sub-hose 30
It has an arm 52b for transmitting rotation.

The switching valve 51b has a communication hole 41b? : Intercepting surface 5
3b, and an opening 54b that can communicate with the communication port 41b, the main suction port 42b, and the main body suction port 43b.

The auxiliary hose 30 has a auxiliary suction port 33b at the base end 33 and a communication port 41b provided on the outer periphery of the auxiliary hose 30, which is larger than the communication port 41b and can be pressed against the outer periphery of the auxiliary suction port 33b.
It is equipped with a long guard 32c.

A collar 32c is hinged to the side of the vacuum cleaner main body 10 of the communication port 41b so that the collar 32c can be rotated between one side and the main hose 20 between a horizontal state and a perpendicular state. A transmission pin 70b is provided on a part of the opposite side, and the transmission pin 70b fits into a long hole 55b formed in the arm 52b of the switching member 50b.

The communication portion 40b, the switching member 50b consisting of the switching valve 51b and the arm 52b, and the transmission pin 70b provided on the collar 32c of the auxiliary hose 30 constitute a switching valve mechanism.

The elongated hole 55b of the arm 52b of the switching member 50b and the transmission pin 70b are connected to the base end 33 of the sub hose 30 or the main hose 20.
The switching member 50b is arranged in such a positional relationship that when the transmission pin 70b is displaced by being tilted up and down, the switching member 50b assumes the next position.

That is, when the collar 32c comes into pressure contact with the communication port 41b of the communication portion 40b, the blocking surface 53b closes the main body suction port 43b, while the opening portion 54b allows the communication port 41b and the main suction port 42b to communicate with each other, and the proximal end portion 33 When this happens, the blocking surface 53b closes the communication port 41b, while the opening 54b closes the main suction port 42.
b and the main body suction port 43b are communicated with each other.

Next, the operation of the 7FfJ3 embodiment will be explained.

When the sub hose 30 is rotated, the transmission pin 70b rotates around the hinge part of the collar 32c, and the elongated hole 55 of the arm 52b rotates.
Rotate the switching valve 51b while sliding the
b and the main suction port 42b.

Therefore, when switching from the usage state of the main inlet body 23 to the usage state of the auxiliary inlet body 32, if the auxiliary hose 30, which is held parallel to the main hose 20, is rotated 90'', it will separate. Connect the auxiliary suction port 33b and the communication port 41b.

At the same time, due to the rotation of the switching valve 51b, the communication port 41b that was blocked by the blocking surface 53b is opened, the main suction port 42b that was open is closed, and only the pipe on the side of the sub-intake port body 32 is communicated, and the sub-intake port You will be able to clean using body 32.

Also, from the usage status of the main intake port body 23 to the usage status of the sub intake port body 32! When switching to 8, when the sub hose 30 perpendicular to the main hose 2o is rotated 90@ in the direction opposite to the rotation direction, the sub suction port 33b and the communication port 41b are separated.

At the same time, due to the rotation of the switching valve 51b, the open communication port 41b is blocked by the blocking surface 53b, the closed main suction port 42b is opened, and only the pipe on the main suction port body 23 side is communicated.
The main suction port body 23 can be used for cleaning.

"Effects of the Invention" According to the vacuum cleaner hose according to the present invention, it is possible to switch from the usage state of the main suction port body to the usage state of the auxiliary suction port body in one operation, and the suction port body is portable. There is no hassle of cleaning or replacing, making cleaning easy and convenient.

[Brief explanation of the drawing]

1 to 5 show a first embodiment of the present invention, FIG. 1 is an overall view of the main inlet body in use, FIG. 2 is an overall view of the auxiliary inlet body in use, Figure 3 is a perspective view of the communication part, Figure 4 is a cross-sectional view of the communication part when the main inlet body is used, taken along line 1-I in Figure 3, and Figure 5 is a cross-sectional view of the communication part when the auxiliary inlet body is used. Figure 3 I-
I-line sectional view. 6 to 8 show a second embodiment of the present invention, in which FIG. 6 is an exploded perspective view of the communication section, and FIG. 7 is a diagram of the communication section when the main inlet body is used. 8 is a sectional view taken along the line ■-■ in FIG. 6, and FIGS. 9 to 11 show the third embodiment of the present invention. Figure 9 is a perspective view of the communication part, Figure 1O is a cross-sectional view of the communication part taken along the line m--■ in Figure 9 when the main inlet body is used, and Figure 11 is the sectional view when the sub-intake body is used. 9, 12 and 13 show a conventional example, and FIG. 12 is a perspective view of the main inlet body when in use. FIG. 2 is a perspective view of the sub-intake port body in use. lO... Vacuum cleaner body 10 20... Main hose 23... Main suction port body 30... Sub hose 32... Sub suction port body 40.40a, 40b--Communication portion 44.44a, 41b・Communication portions 42.42a, 42b--Main suction ports 41.41a, 43b--Main body suction ports 50a, 50b...Switching member Fig. 1 Fig. 2 Fig. 7 Fig. 8

Claims (1)

[Scope of Claims] A main hose having one end attached to the vacuum cleaner body and the other end inserting the main suction port body, and a communication portion formed in a part of the main hose so as to selectively communicate with the main hose, In a vacuum cleaner hose consisting of a sub-hose into which a sub-intake port is inserted at the tip, the sub-hose is rotatably connected to the communication part, and the main suction port is connected to the main suction port in conjunction with the rotation of the sub-hose. When switching from using the mouth body to using the sub-inlet body, the pipe on the main suction port side is closed, while the pipe line on the sub-suction body side communicates with the vacuum cleaner body. When switching to use of the suction port, the communication portion is provided with a switching valve mechanism that closes the conduit on the side of the auxiliary suction port while communicating the conduit on the main suction port side with the vacuum cleaner body. vacuum cleaner hose.