JP5381419B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to an electric vacuum cleaner having a pipe means that can be expanded and contracted in a vacuum cleaner body.

  Conventionally, in this type of vacuum cleaner, as shown in FIGS. 6 and 7, an expansion / contraction button 55 for extending / contracting the second pipe part (expandable pipe 52) is provided on the operation pipe (accommodating part 53) side. (For example, refer to Patent Document 1).

  In addition, as shown in FIG. 6, this type of electric vacuum cleaner has a suction pipe 51 connected to the vacuum cleaner body 50, a connection to the suction pipe 51, and a dust suction port 56 formed at the end. The expansion / contraction tube 52 and the expansion / contraction button 55 that can expand / contract the expansion / contraction tube 52 are provided on the operation pipe (accommodating portion 53), and are configured of a suction port body 57 connected to the cleaner body 50.

JP 2008-73303 A

  However, in the conventional configuration, since the expansion / contraction button 55 for expanding / contracting the second tube portion (expandable tube 52) is provided on the operation pipe (accommodating portion 53) side, the handle portion (gripping portion) of the operation pipe is provided. 54) is held with one hand, and the other hand operates the expansion / contraction button 55, so both hands have the operation pipe (accommodating part 53) side and hold the second pipe part (expandable pipe 52) side. I couldn't stretch it. In order to expand and contract the second tube (extensible tube 52) side, hold the second tube (expandable tube 52) side with one hand and hold the operation pipe (accommodating portion 53) with the other hand. After operating the expansion / contraction button 55 to extend / contract the second pipe part (expandable pipe 52), it is necessary to re-grip the handle part (gripping part 54) of the operation pipe with one hand, which is a two-step operation. Had problems.

  Further, as shown in the expansion / contraction operation mechanism 58, in order to link the operation of the expansion / contraction button 55 up to the engagement member 59, a very large number of parts are required, resulting in a problem that the cost is very high. In order to reduce the cost, the interlocking part of the expansion / contraction operation mechanism 58 is eliminated and the expansion / contraction button 55 is configured at the position of the engaging member 59. In this case, however, the range of the two-stage operation described above is expanded, and further, the expansion / contraction operation of the second pipe portion (expandable tube 52) becomes difficult.

  The present invention solves the above-described conventional problems. By providing an expansion / contraction operation button on the second pipe portion (second pipe), the grip portion at one end of the operation pipe is gripped with one hand and the other hand is used. An object of the present invention is to provide an easy-to-use vacuum cleaner that can operate an expansion / contraction operation button while holding the second pipe to be expanded and contracted and can be expanded and contracted by one touch (one operation).

In order to solve the conventional problem, the vacuum cleaner of the present invention is:
A suction port body having a suction opening on the bottom surface;
A vacuum cleaner main body having a dust collection chamber and an electric blower and provided on the suction port body ,
An operation pipe having a handle ,
One end connected to the handle portion of the operating pipe, with the other end connected to the cleaner body, the dust collecting hose which communicates with the dust collecting chamber and the operating pipe,
A second pipe that retractably accommodates the other end of the operation pipe and is detachably attached to the cleaner body;
A sliding connection body provided on the second pipe and slidingly connecting the operation pipe and the second pipe;
A telescopic operation button provided on the sliding coupling body ,
In the state where the second pipe is attached to the cleaner body, the sliding connector and the extension / contraction operation button are exposed to the outside of the cleaner body .

As a result, the second pipe that extends and retracts from the other end of the operation pipe is provided , an expansion / contraction operation button is provided on the sliding connection body of the second pipe, and the second pipe is stored in the main body. The expansion / contraction operation button provided on the pipe is exposed on the outer shell of the main body, so that the handle on one end of the operation pipe can be grasped with one hand and the expansion / contraction operation button can be operated while holding the second pipe. It is possible to perform expansion / contraction operation with one touch (one operation).

  The vacuum cleaner of the present invention can operate the expansion / contraction operation button while holding the second pipe that is gripped with one hand and extended / contracted with the other hand, so that one-touch (one-time operation) It is possible to provide an easy-to-use vacuum cleaner that can be expanded and contracted in operation.

External appearance perspective view which shows the state which removed the operation pipe from the cleaner body in Embodiment 1 of this invention External appearance perspective view which shows the state which cleans a floor surface with the suction inlet in Embodiment 1 of this invention (A) Sectional drawing of the operation pipe part in Embodiment 1 of this invention (B) Detailed sectional drawing of the sliding connection part part which shows the same spring External appearance perspective view which shows the vacuum cleaner main body in Embodiment 1 of this invention. External appearance perspective view which shows the vacuum cleaner main body in Embodiment 2 of this invention. Cross-sectional view of a conventional vacuum cleaner Development view showing the telescopic operation mechanism part of a conventional vacuum cleaner

The first invention is a suction port body having a suction opening on the bottom surface;
A vacuum cleaner main body having a dust collection chamber and an electric blower and provided on the suction port body ,
An operation pipe having a handle ,
One end connected to the handle portion of the operating pipe, with the other end connected to the cleaner body, the dust collecting hose which communicates with the dust collecting chamber and the operating pipe,
A second pipe that retractably accommodates the other end of the operation pipe and is detachably attached to the cleaner body;
A sliding connection body provided on the second pipe and slidingly connecting the operation pipe and the second pipe;
A telescopic operation button provided on the sliding coupling body ,
In the state where the second pipe is attached to the cleaner body, the sliding connector and the extension / contraction operation button are exposed to the outside of the cleaner body .

As a result, the second pipe that extends and retracts from the other end of the operation pipe is provided , an expansion / contraction operation button is provided on the sliding connection body of the second pipe, and the second pipe is stored in the main body. The expansion / contraction operation button provided on the pipe is exposed on the outer shell of the main body, so that the handle on one end of the operation pipe can be grasped with one hand and the expansion / contraction operation button can be operated while holding the second pipe. It is possible to perform expansion / contraction operation with one touch (one operation).

In the second invention, in particular, the telescopic operation button provided in the sliding coupling body of the first invention is exposed on the back side of the cleaner body .

As a result, merchantability and design can be improved without exposing the front surface of the main body .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
A first embodiment of the present invention will be described with reference to FIGS.

  The vacuum cleaner shown in FIG. 1 to FIG. 4 is detachable from the suction port body 1 having a suction chamber (not shown) having a suction opening (not shown) on the bottom surface, the vacuum cleaner body 2, and the vacuum cleaner body 2. And an extendable operation pipe 3 attached to the. A rotary tube 4 that can be rotated in the front-rear direction is provided at the rear portion of the suction port body 1, and the rotary tube 4 communicates with the suction chamber of the suction port body 1. The upper portion of the rotary tube 4 is fixed to a connecting portion 5 at the lower portion of the cleaner body 2 described later. The vacuum cleaner body 2 includes a dust collection chamber 6 formed therein, an electric blower 7 that makes the dust collection chamber 6 a negative pressure, and a dust collection filter (paper pack) that is detachably attached to the dust collection chamber 6. F and the like.

  In addition, a handle 8 is integrally provided on the upper portion of the cleaner body 2, and one end of a dust collecting hose 9 is connected to the rear side thereof, and the other end of the dust collecting hose 9 is connected to the rear of the operation pipe 3. Connected to the end. The dust collection hose 9 communicates with the dust collection chamber 6 of the cleaner body 2. The operation pipe 3 has a handle portion 10 provided at the rear portion and an attachment recess portion 12 provided in the second pipe 11. When the attachment recess 12 of the second pipe 11 is inserted into the connection opening 13 of the cleaner body 2 and engaged with the engagement protrusion 14, the engagement protrusion 14 is locked to the attachment recess 12 by a lock mechanism (not shown). Thus, the operation pipe 3 is attached to the cleaner body 2. When the distal end portion of the operation pipe 3 is inserted into the connection opening 13 of the cleaner body 2, the distal end portion of the operation pipe 3 is sealed at the back. The lock of the engagement protrusion 14 is released by pulling a release lever 15 provided on the upper surface of the handle 8 of the cleaner body 2.

The suction port body 1 communicates with the dust collection chamber 6 through the rotary tube 4 and the connection portion 5, but has a structure in which communication is blocked when the cleaner body 2 is upright. As described above, the tip of the operation pipe 3 attached to the cleaner body 2 is sealed at the back. Therefore, the suction from the tip of the operation pipe 3 can be used by removing the operation pipe 3 from the cleaner body 2 with the cleaner body 2 standing.

The operation pipe 3 includes a second pipe 11 and a small-diameter pipe 16 inserted into the second pipe 11, and the small-diameter pipe 16 and the operation pipe 3 communicate with each other inside the second pipe 11. The operation pipe 3 slides and moves in the second pipe 11 so that the second pipe 11 expands and contracts , and is supported on the sliding connection body 17 of the second pipe 11 by a spring 22 that is an elastic body. When the telescopic operation button 18 provided is pressed, the second pipe 11 can be slid. When the press of the telescopic operation button 18 is released, the second pipe 11 is locked at that position. .

  Further, the sliding coupling body 17 portion of the second pipe 11 is exposed to the outside from the connection opening 13 of the cleaner body 2 when the operation pipe 3 is attached to the cleaner body 2. Therefore, the expansion / contraction operation button 18 provided on the sliding coupling body 17 is exposed on the front side of the main body as a part of the outer shell of the cleaner body 2.

  Further, the small diameter pipe 16 is further expanded and contracted by sliding and moving in the second pipe 11. When the button 20 provided on the sliding connecting portion 19 is pressed, the small-diameter pipe 16 can be slid. When the button 20 is released, the small-diameter pipe 16 is locked at that position. .

  A power switch (operation switch) 21 for the electric blower 7 is provided on the upper portion of the cleaner body 2.

  About the vacuum cleaner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, as shown in FIG. 2, the expansion / contraction operation button 18 is pushed to extend the operation pipe 3. When the power switch 21 is turned on, the electric blower 7 is driven and the air in the dust collecting chamber 6 is sucked by the electric blower 7. By this suction, the dust collection chamber 6 becomes negative pressure, and this negative pressure acts on the rotary tube 4 and the suction chamber of the suction port body 1, and dust is sucked together with air from the suction opening of the suction chamber. Air and dust sucked into the suction chamber are sucked into the dust collecting chamber 6 of the cleaner body 2 through the rotary tube 4, and the dust is collected by the dust collecting filter F. The dust collection method may be a cyclone method without the dust collection filter F.

  Here, the sliding coupling body 17 portion of the second pipe 11 is in a state where the operation pipe 3 is attached to the cleaner body 2 and exposed to the outside from the connection opening 13 of the cleaner body 2 (the telescopic operation button 18 is In a state where the second pipe 11 is housed in the cleaner body 2 by exposing the telescopic operation button 18 to the outer shell of the body and storing it in the cleaner body 2. The expansion / contraction operation button 18 provided on the main body is exposed to the outside of the main body, so that the handle portion 10 of the operation pipe 3 is grasped with one hand and the vacuum cleaner body 2 side is held with the other hand while the expansion / contraction operation button 8 is simultaneously pressed. Since it can be operated, the operation pipe 3 can be expanded and contracted from the cleaner body 2 with one touch (one operation).

When the floor surface is cleaned by the suction port 1, the floor surface or the like can be cleaned by holding the handle 10 of the operation pipe 3 and moving the cleaner body 2 back and forth as shown in FIG. 2. (At this time, the tip of the operation pipe 3 attached to the cleaner body 2 is sealed.)
In addition, as shown in FIG. 1, when cleaning is performed by removing the operation pipe 3 from the cleaner body 2, the cleaner body 2 is in the upright state (in the state where the cleaner body 2 is upright, the communication with the dust collecting chamber 6 is performed). The engagement protrusion 14 is unlocked by pulling a release lever 15 provided on the upper portion of the cleaner body 2, and the operation pipe 3 is detached from the cleaner body 2 to remove the tip of the operation pipe 3. Air and dust sucked from the part are sucked into the dust collecting chamber 6 of the cleaner body 2 through the operation pipe 3 and the dust collecting hose 9.

  Here, the second pipe 11 that extends and retracts from the other end of the operation pipe 3 is provided, and the telescopic operation button 18 is provided on the second pipe 11, so that the handle portion 10 of the operation pipe 3 is attached to one side. The expansion / contraction operation button 18 can be operated at the same time while holding the second pipe 11 that is gripped by the hand and extended / contracted with the other hand, so that the expansion / contraction operation can be performed with one touch (one operation).

  Further, in the case where the floor surface is cleaned by the suction port 1 as shown in FIG. 2 and in the case where the operation pipe 3 is removed from the cleaner body 2 as shown in FIG. 18 is configured as a push button supported by a spring 22 that is an elastic body, so that when the expansion / contraction operation button is a slide operation type button or the like, the vacuum cleaner body 2 is held and held or the second pipe 11 is Although it is not possible to perform the operation of sliding the expansion / contraction operation button at the same time as the operation of holding and holding, it is possible to hold the vacuum cleaner body 2 by holding the expansion / contraction operation button 18 by the spring 22 or to hold the cleaner body 2 or the second operation button. The expansion / contraction operation button 18 can be operated at the same time by one operation of grasping and holding the pipe 11, that is, grasping, and the expansion / contraction operation can be performed very easily. It is those that can be.

  The air sucked by the electric blower 7 passes through the motor of the electric blower 7 and cools the motor. The air that has cooled the motor is exhausted outside through an exhaust chamber (not shown) provided in the cleaner body 2 through an electric chamber (not shown).

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIG. The same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

In FIG. 5, reference numeral 18 denotes an expansion / contraction operation button that is provided exposed on the outer surface of the vacuum cleaner body 2 on the back side. The sliding coupling body 17 portion of the second pipe 11 is exposed to the outside from the connection opening 13 of the cleaner body 2 when the operation pipe 3 is attached to the cleaner body 2. Therefore, the expansion / contraction operation button 18 provided on the sliding coupling body 17 is configured to be exposed on the back side of the main body as a part of the outline of the cleaner body 2.

  As a result, merchantability and design can be improved without exposing the front surface of the main body.

  As described above, the electric vacuum cleaner according to the present invention can operate the expansion / contraction operation button while holding the second pipe that is gripped by one hand and is extended / contracted by the other hand. Therefore, it can be expanded and contracted with one touch (one operation), so it can be widely applied to household and commercial vacuum cleaners.

2 Vacuum Cleaner Body 3 Operation Pipe 10 Handle Part 11 Second Pipe 17 Sliding Linkage 18 Telescopic Operation Button 22 Spring (Elastic Body)

Claims (2)

A suction port body having a suction opening on the bottom surface;
A vacuum cleaner main body having a dust collection chamber and an electric blower and provided on the suction port body ,
An operation pipe having a handle ,
One end connected to the handle portion of the operating pipe, with the other end connected to the cleaner body, the dust collecting hose which communicates with the dust collecting chamber and the operating pipe,
A second pipe that retractably accommodates the other end of the operation pipe and is detachably attached to the cleaner body;
A sliding connection body provided on the second pipe and slidingly connecting the operation pipe and the second pipe;
A telescopic operation button provided on the sliding coupling body ,
An electric vacuum cleaner characterized in that, in a state in which the second pipe is attached to the vacuum cleaner body, the sliding coupling body and the telescopic operation button are exposed to the outside of the vacuum cleaner body . 2. The electric vacuum cleaner according to claim 1, wherein the expansion / contraction operation button provided on the sliding coupling body is exposed on the back side of the vacuum cleaner body .