JPS6131743Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to improving the structure of the suction port of a vacuum cleaner, and improves the suction performance by reliably protecting lint, cotton waste, etc. that are entangled in various types of carpets. The purpose is to measure.

Conventionally, in order to capture and suction lint, cotton waste, etc. entangled in the carpet at the suction port of a vacuum cleaner, a piece of cloth with cut pile woven into it is placed at the front and back of the suction passage at the bottom of the suction port. A lint catcher is provided.

However, since this lint catcher is fixed to the suction port, it is effective in removing lint from certain types of clothes where it rubs against the lint catcher sufficiently.
There is a drawback that the lint removal does not fit well with carpets of a different type or with extremely short piles, and the lint removal effect cannot be fully exerted.

In order to eliminate such drawbacks, the present invention provides a suction port structure for a vacuum cleaner, which is characterized in that the height of the lint catcher is adjustable relative to the carpet.

The embodiments of the present invention will be explained with reference to the drawings: 1
is a suction port body, which is rotatably attached to a suction port joint 2 connected to the lower end of a rotary pipe 3 via a retaining ring 4. Reference numeral 5 denotes a connecting pipe portion provided to smooth the intake passage of the suction port body 1.

Reference numeral 6 denotes a static sled fixed to the bottom surface of the suction port body 1, with an opening 7 in its center that communicates with the intake passage of the suction port body 1, and two pipes on both left and right sides with the opening 7 in the center. Suction passages 8, 8 communicating with the opening 7 are provided. 9 is a brush fixed to the recess provided at the rear of the sled 6,
It is provided parallel to the suction passage 8.

10 is a front rotating roller that is supported on both sides of the front of the toilet sled 6. Together with the rear rotating roller 11 that is supported on both sides of the rear of the toilet sled 6, it is used when cleaning the floor etc. This prevents the lower surface of the sled 6 from sliding against the floor surface, etc., and maintains a constant distance between the floor surface, etc. and the lower surface of the carpet sled 6.

Further, around the suction port body 1, a bumper 12 made of an elastic material such as rubber is provided to prevent damage to the suction port, furniture, etc. even if the suction port collides with furniture, etc. during cleaning or handling. There are surrounding areas.

Reference numeral 13 denotes a thread waste catcher made by pasting a cloth 13b woven with cut pile on the lower surface of an oblong rectangular synthetic resin plate 13a. It is disposed in the hole 6a so as to be vertically slidable. 14, 14 is an inverted L that is integrally provided on both sides of the upper surface of this thread waste catcher 13.
A hollow chamber 2 formed between the lower surface of the front end of the suction port body 1 and the upper surface of the front end of the sled 6, which is a letter-shaped wing piece.
1, and is supported by supporting pieces 15, 15 integrally provided on the lower surface of the tip of the horizontal plate piece 14a of the wing piece 14 and on the upper surface of the front end of the sled 6. The thread waste catcher 13 is constantly urged upward by utilizing the elasticity of the wing pieces 14.

Reference numeral 16 denotes a switching lever in the shape of an oblong rectangular plate disposed in the upper part of the hollow chamber 21, and a plurality of push pieces 17 protrude downward from the lower surface of the front end of the suction port body 1.
and a protruding piece 18 protruding from the upper center of the lint taker 13 so as to be slidable in the lateral direction, and an operating knob 19 is integrally provided on the upper surface of one end of the lint catcher 13, and the knob 19 is connected to the suction port. A long hole 22 is formed on one side of the front end of the main body 1 and projects from the upper surface of the main body 1.
Further, the central part of the lower surface of the switching lever 16 is thickened and provided with a cam part 20, and the operating knob 19 is provided with a cam part 20.
When the cam part 20 is brought into sliding contact with the upper surface of the projecting piece of the thread waste catcher 13 by operating the cam part 20, the thread waste catcher 13 will protrude downward by a dimension corresponding to the wall thickness a of the cam part 20. It is.

To describe how to use the vacuum cleaner configured as above, when cleaning, connect the rotary pipe 3 to the vacuum cleaner body via an extension pipe, hose, etc., and align the suction port along the surface to be cleaned. It sucks in dust etc. while moving, but when using a new carpet or a carpet with a relatively long pile, the protrusion 18 of the lint catcher 13 should be in contact with the thin lower surface of the switching lever 16. If the lint catcher 13 is held in a fixed position slightly above the bottom surface of the carpet sled 6 and cleaning is carried out in this state, the lint catcher 13 will be brought into proper sliding contact with the carpet and the threads will be removed. Debris, cotton waste, etc. can be attached to and captured by the thread waste taker 13 and sucked by the suction force from the intake passage side.

Next, when cleaning a carpet with a relatively short pile, if the lint catcher 13 is installed slightly above the bottom surface of the carpet sled 6, the lint catcher 13
The suction port does not follow the carpet smoothly, and the suction force alone is used to capture lint, cotton waste, etc. entangled in the carpet, so the suction port must be moved back and forth along the carpet many times. Although this will require a great deal of effort, it is possible to operate the switching lever 16 by operating the knob 19.
By moving the supporting piece 1 by sliding the upper end surface of the projecting piece 18 on the lower surface of the cam part 20,
By using 5 and 15 as fulcrums and making the lint catcher 13 approximately flush with or slightly protrude from the bottom surface of the carpet sled 6, the lint catcher 13 and the carpet will line up smoothly, and the suction port can be opened. Just by making one round trip, it can capture and suck up thread waste, cotton waste, etc. entangled in the carpet.

In addition, in the above embodiment, the thread waste remover 13
Although it is provided only at the front part of the opening 7, it may be provided at the rear of the opening 7 or before and after the opening 7. In short, it may be provided in a portion near the opening 7 so as to be vertically retractable.

As explained above, the suction port according to the present invention has a suction passage formed in a substantially straight line at the bottom of the suction port main body, and rotary rollers are supported on both the front and rear sides of the suction passage at the bottom of the main body. The opening surface is configured to face the ground surface at a predetermined distance, and a brush is provided at the bottom of the main body so as to be parallel to the suction passage and slightly protrude from the opening surface. A thread waste catcher is arranged to be movable up and down in a through hole formed near the thread waste catcher, and an elastic wing piece is integrally formed on the thread waste catcher, and the thread waste catcher is transparently inserted through the wing piece. A switching lever configured to be supported within the hole and facing the thread waste catcher within the main body is provided, and a protruding piece integrally provided from the thread waste catcher is brought into contact with the lever; It is characterized in that a cam portion formed on the lever pushes out the lint remover through the protruding piece against the elasticity of the wing piece itself, and by switching the switching lever, the lint remover From long-legged rugs to short-piled rugs, the lint catcher can be placed precisely along all types of rugs, so the lint removal effect can be fully demonstrated. This device is capable of effectively capturing and suctioning thread waste, cotton waste, etc. entangled in the towel.

In addition, since the vertical movement of the thread waste remover is made by utilizing its own elasticity, that is, the elasticity of the wing pieces, the vertical movement mechanism can be simplified, the structure can be made extremely simple, and there is no risk of failure. can be extremely reduced.

Furthermore, since the mounting height of the thread waste catcher can be adjusted by external operation, the operation can be performed simply and quickly, and the handle can also be facilitated.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a central vertical sectional side view of the suction port, Fig. 2 is a bottom view thereof,
FIG. 3 is a longitudinal sectional front view of the main part. 1 is the suction port body, 6 is the drawer, 7 is the opening, 8 is the suction passage, 13 is the lint catcher, 16 is the switching lever, 19 is the operation knob, and 20 is the cam part.

Claims (1)

[Scope of utility model registration request] A suction passage is opened in a substantially straight line at the bottom of the suction port body, and rotary rollers are supported on both front and rear sides of the suction passage at the bottom of the body, and the opening surface of the suction passage is spaced at a predetermined distance from the ground surface. A brush is provided at the bottom of the main body so as to be parallel to the suction passage and slightly protrude from the opening surface of the suction passage, and a brush is provided at the bottom of the main body so as to be parallel to the suction passage and slightly protrude from the opening surface thereof. The thread waste catcher is arranged to be movable up and down, and elastic wing pieces are integrally formed on the thread waste catcher, and the thread waste catcher is configured to be supported in the through hole through the wing pieces, and A switching lever is provided in the main body so as to face the thread waste catcher, and a protrusion integrally protruding from the thread waste catcher is brought into contact with the lever, and a cam portion formed on the switching lever causes the protrusion to A suction port for a vacuum cleaner, characterized in that the lint collector is pushed out against the elasticity of the blade itself through the blade.