JPS5814923Y2 - Vacuum cleaner exhaust system - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an exhaust device for a vacuum cleaner.

Generally, a vacuum cleaner has a main body case formed with dispersion exhaust holes to disperse exhaust air.

On the other hand, in order to utilize the exhaust air for tasks other than cleaning, there is a type in which a central exhaust cover having a central exhaust hole is removably attached to the main body case while covering the distributed exhaust hole.

The means for attaching the central exhaust cover is to provide a locking part on the main body case, and a locking claw that elastically engages with the locking part on the central exhaust cover. Since it is attached to the main body case without a gap so as to cover it, bending the locking pawl in the release direction is troublesome and difficult to remove.

As a result, cleaning may be carried out with the central exhaust cover attached, and in this case, the concentrated exhaust air may cause problems such as raising dust or blowing it onto other people.

The purpose of this invention is to create an exhaust system for a vacuum cleaner that can overcome the above-mentioned drawbacks.

This invention has a distributed exhaust hole and a locking part formed on the outer surface of the main body case, and a centralized exhaust hole that surrounds the distributed exhaust hole and communicates with the distributed exhaust hole to fit and hold a connecting hose. A central exhaust lid is provided, and the central exhaust lid is provided with a locking pawl that can be freely engaged with and disengaged from the locking portion in a free state and that engages with the locking portion when pressed by the connection hose. be.

In other words, when using concentrated exhaust air, the locking claw of the central exhaust cover is engaged with the locking part of the main body case, but when the connecting hose is pulled out from the central exhaust cover for cleaning, the locking claw is connected to the connecting hose. The central exhaust cover is configured so that it is released from the locking part and thus automatically comes off.

An embodiment of this invention will be explained based on the drawings.

Reference numeral 1 denotes a main body case containing an electric blower (not shown).

A suction hole 2 is formed at one end of the main body case 1, and a dust collection case 3 in which a filter (not shown) is housed is detachably attached.

A plurality of distributed exhaust holes 4 are formed in a part of the outer surface of the main body case 1, that is, at the rear end.

At least two of these distributed exhaust holes 4 also function as locking holes 5 which are locking portions.

A central exhaust cover 6 surrounds these distributed exhaust holes 4.
It is made of an elastic material such as plastic.

This central exhaust cover 6 has a central exhaust hole 8 into which a connecting hose 7 is fitted and held, and a recess 10 which engages with a step 9 formed on the connecting hose 7 to prevent rotation.

Further, a pull-out prevention hole 11 is formed in this recess 10.

A latch 12 projecting into the stopper hole 11 and a knob 13 for retracting the latch 12 inward are provided on the connection hose 7.

Further, the central exhaust cover 6 includes protrusions 14 that are inserted into the distributed exhaust holes 4 at the top and bottom stages, and protrusions 14 that extend from the periphery of the distal end of the central exhaust hole 8 and are inserted into the locking holes 5. Two locking claws 15 are integrally formed.

These locking claws 15 have claw portions 16 at their tips, and are urged inward by their own elasticity.

In such a configuration, when the protruding piece 14 of the central exhaust cover 6 is inserted into the distributed exhaust hole 4, the locking claw 15 is inserted into the lock-JL5, and the connecting hose 7 is inserted into the central exhaust hole 8, the locking claw 15 is inserted. is pushed by the connecting hose 7 and bends outward, and its claw portion 16 engages with the locking hole 5.

Alternatively, the connecting hose 7 may be inserted into the central exhaust hole 8 first, and the locking claw 15 may be engaged with the locking hole 5 in this state.

This allows the exhaust air to be concentrated and used for other tasks.

Then, in order to perform cleaning, operate the knob 13 to prevent the latch 12 from being pulled out (retracted from Lll), pull out the connecting hose 7 from the central exhaust cover 6, and insert it into the suction hole 2. 15 is released from the connection hose 7, bends inward due to its own elasticity, and is removed from the locking hole 5.

That is, the central exhaust cover 6 is automatically removed.

Thereby, the exhaust air can be dispersed without fail when cleaning, regardless of whether the person is conscious or not.

Note that since the locking part uses the distributed exhaust hole 4, there is no need to form anything else, but in addition to a hole like the locking hole 5, a rib-shaped locking part that engages with the claw part 16 can be formed. It may be provided in the main body case 1.

Furthermore, the locking portion may be formed from a separate member and fixed to the main body case 1, or the locking claw 15 may be formed from a separate member and may be rotatably attached to the central exhaust cover 6 or may be elastically bent. I'L may be fixed.

Since this device is configured as described above, the central exhaust cover can be easily attached to the main body case by engaging the locking claw with the locking part, and the connecting hose can be connected from the central exhaust cover for cleaning. When the central exhaust cover is removed from the main body case when it is pulled out and fitted into the suction hole, the locking claw comes off from the locking part, and cleaning is performed with the exhaust air being dispersed through the exhaust hole. It has the following effects:

[Brief explanation of the drawing]

The drawings show one embodiment of this invention; Fig. 1 is a side view, Fig. 2 is an enlarged vertical side view of a part of the state in which concentrated exhaust is performed, and Fig. 3 is an enlarged perspective view of the concentrated exhaust cover. It is. 1...Main body case, 4...Distributed exhaust hole, 5...Latching hole (locking part), 6...Centralized exhaust cover, 7. ...Connection hose, 8...
Centralized exhaust hole, 15...Latching claw.

Claims (1)

[Scope of utility model registration request] Dispersed exhaust holes and a locking part are formed on the outer surface of the main body case, and a centralized exhaust hole is formed that surrounds the distributed exhaust holes and communicates with the distributed exhaust holes to fit and hold a connecting hose. An electric appliance characterized in that an exhaust cover is provided, and the central exhaust cover is provided with a locking pawl that can be freely engaged with and disengaged from the locking portion in a free state and that engages with the locking portion when pressed by the connection hose. Vacuum cleaner exhaust system.