JP5104483B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner having a detachable dust box.

  In the conventional detachable dust box of this type, an operation unit for connection with the cleaner body and a handle for carrying the dust box are configured separately (for example, see Patent Document 1).

Moreover, there existed what provided the function of the buckle with the vacuum cleaner main body in the handle provided in the dust box (for example, refer patent document 2).
JP 2006-61543 A JP 2004-290339 A

  However, in the configuration where the handle for carrying the dust box and the connecting shaft that fixes the dust box to the vacuum cleaner body move independently, when removing the dust box, lift the handle with one hand and connect it with the other hand. It was necessary to perform an operation to cancel the function, which was unusable. Furthermore, since this handle has a function for carrying the vacuum cleaner main body, it is necessary to ensure strength when fixed to the vacuum cleaner main body.

  In addition, the handle provided in the dust box with the function of buckle with the main body of the vacuum cleaner has improved the above usability, but the range of movement is small, so the fitting system of the lock part is There was a problem that it was necessary and there was a difficulty in design.

  The present invention solves the above-described conventional problems and makes it possible to improve usability in attaching and detaching the dust box.

In order to solve the above-described conventional problems, a vacuum cleaner of the present invention includes a vacuum cleaner body, a dust box detachably attached to the vacuum cleaner body, a rotatable handle provided in the dust box, and the vacuum cleaner body. The grip is substantially arc-shaped, and both ends are pivotally supported by the dust box, and the handle is carried in a first position and a second portion housed in a housing provided in the dust box. The connecting portion is constituted by a connecting shaft that slides in accordance with the position of the handle, and the connecting shaft has a protruding portion at the upper portion, and the cleaner is configured by an urging means. It is slidably sandwiched in the longitudinal direction while being biased to the front side of the main body, wherein the longest central part pivoting locus of the handle, said handle from a first position to a second position In the rotating operation, the protruding portion of the connecting shaft is An inclined surface is provided to be moved rearward of the machine body and fitted to the fitting part of the cleaner body, and when the handle is in the second position, the connecting shaft is fitted to the cleaner body. When the handle is turned to the first position, the connection between the connecting shaft and the cleaner body is released by the biasing means, and the cleaner body is further fitted. A switch for detecting the presence / absence of the connecting shaft is provided in the section, and a function of detecting the presence / absence of the dust box mounting state from the presence / absence of the connecting shaft is mounted .

With the above configuration, the movement of the handle for carrying the dust box and the connecting shaft can be linked, and when the handle is lifted, the connecting shaft can be detached from the cleaner body and the dust box can be removed with one hand, improving usability. It can be done.
In addition, when the handle for carrying the dust box is stored, the movement of the handle is reliably transmitted to the connecting shaft, and the connecting shaft fits firmly into the cleaner body, and conversely when the handle is lifted, the connecting shaft comes off the cleaner body. The dust box can be removed with one hand, and the danger of carrying the cleaner body with the handle for the dust box can be eliminated.
Further, by providing a switch for detecting whether or not the connecting shaft is fitted in the cleaner body, it is possible to prevent the operation when the dust box is not attached or in an erroneous attachment state.
Moreover, the sliding distance of the connecting shaft is provided by providing an inclined surface that moves the protruding portion of the connecting shaft to the rear of the cleaner body at the center portion where the rotation trajectory is the longest and fits the fitting portion of the cleaner body. Can secure enough
Therefore, the fitting can be performed reliably, and the detection accuracy for detecting that the handle is securely stored in the proper position can be improved.

  The vacuum cleaner of this invention aims at improving the usability of attachment / detachment of a dust box.

1st invention has a vacuum cleaner main body, a dust box which can be attached or detached to the vacuum cleaner main body, a dust handle provided in the dust box, a rotatable handle and a connecting portion for fixing to the vacuum cleaner main body, The grip is substantially arc-shaped, and both ends are pivotally supported by the dust box, and are configured to be rotatable between a first position for carrying and a second position stored in a storage portion provided in the dust box, and the connection The portion comprises a connecting shaft that slides according to the position of the handle, and the connecting shaft has a protruding portion at the top, and is biased toward the front side of the cleaner body by the biasing means. In the center portion that is slidably slidable in the front-rear direction and has the longest rotation trajectory of the handle, the connecting shaft is moved in the operation of rotating the handle from the first position to the second position. Move the protrusion to the back of the main body of the vacuum cleaner, An inclined surface is provided to be fitted to the fitting portion, and when the handle is in the second position, the connecting shaft is fitted into the fitting portion of the cleaner body, and the handle is moved to the first position. When the switch is rotated, the fitting between the connecting shaft and the cleaner body is released by the biasing means, and a switch for detecting the presence or absence of the connecting shaft is provided at the fitting portion of the cleaner body. , Equipped with a function to detect the presence or absence of the dust box from the presence or absence of the connecting shaft, the movement of the dust box carrying handle and the connecting shaft can be linked, and when the handle is lifted, the connecting shaft is The dust box can be detached from the main body with one hand, and the usability can be improved.
In addition, when the handle for carrying the dust box is stored, the movement of the handle is reliably transmitted to the connecting shaft, and the connecting shaft fits firmly into the cleaner body, and conversely when the handle is lifted, the connecting shaft comes off the cleaner body. The dust box can be removed with one hand, and the danger of carrying the cleaner body with the handle for the dust box can be eliminated.
Further, by providing a switch for detecting whether or not the connecting shaft is fitted in the cleaner body, it is possible to prevent the operation when the dust box is not attached or in an erroneous attachment state.
Moreover, the sliding distance of the connecting shaft is provided by providing an inclined surface that moves the protruding portion of the connecting shaft to the rear of the cleaner body at the center portion where the rotation trajectory is the longest and fits the fitting portion of the cleaner body. Therefore, it is possible to ensure the fitting, and to improve the detection accuracy for detecting that the handle is securely stored in the proper position.

  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)
The vacuum cleaner in the 1st Embodiment of this invention is demonstrated using FIGS. 1-4.

  FIG. 1 is a plan view (a) and a side view (b) of the appearance of the cleaner body in the present embodiment. 2 is a central cross-sectional view of the vacuum cleaner, FIG. 3 is a partial cross-sectional view of a dust box attaching / detaching portion (handle storage position / dust box connected state), which is a feature of the present invention, and FIG. 4 is a partial cross-sectional view of the same. / Dust box released state).

In FIGS. 1 and 2, reference numeral 1 denotes a cleaner body, and traveling wheels 2 are provided at the lower part of the cleaner body 1. A power cord 3 is arranged at the upper stage of the traveling wheel 2, and further, an intake port 4 for connecting a hose to the front of the cleaner body is sucked at the upper stage of the power cord 3 (upper part of the cleaner body), and dust is sucked at the rear. An electric blower 5 is disposed, and a dust box 6 for accommodating dust is disposed between the air inlet 4 and the electric blower 5. The dust box 6 is detachable from the cleaner body.

  In the operation according to the above configuration, dust sucked by the electric blower 5 is accommodated in the dust box 6. The stored dust can be discharged and reused by removing the dust box 6 from the cleaner body 1 and opening the bottom cover.

  Next, the attachment / detachment configuration of the dust box 6 which is a feature of the present invention will be described with reference to FIGS.

  The cylindrical dust box 6 is configured such that an arcuate handle 7 along the outer periphery of the dust box is pivoted at both ends and is configured to be rotatable, and a lid unit 9 having a connecting shaft 8 is formed, and dust is accommodated in the lower stage. A dust collection chamber 10 is formed.

  The features of the present invention are concentrated in the lid unit 9. The upper part of the lid unit 9 has a handle 7 that is rotatable in the front-rear direction, and the lower part has a connecting shaft 8 that is a fitting part to the cleaner body 1. First, the connecting shaft 8 is configured to be slidable in the front-rear direction between the upper lid 11 and the lower lid 12 constituting the lid unit 9 and urged inward by the spring 13. Yes. Further, a part of the connecting shaft 8 protrudes from the notched upper lid 11, and the connecting shaft 8 protrudes from the cover unit by moving the protruding portion 14 forward. Next, the handle 7 is provided at the end of the handle 7 extending in a semicircular arc shape on both sides along the outer shape of the dust box 6 so that the center portion thereof is located at the protruding portion 14 of the connecting shaft 8. The shaft 15 is supported by the upper lid 11 so as to be rotatable. The rotation range of the handle 7 is about 90 degrees from a vertical position (first position) for carrying to a horizontal position (second position) stored in the storage unit. The handle contacts the inside of the protruding portion 14 of the connecting shaft 8 in the horizontal position, protrudes the connecting shaft 8 out of the dust box 6, and is separated from the protruding portion 14 of the connecting shaft 8 in the vertical position.

  As an operation in this configuration, the inclined surface 7a of the handle 7 shifts the protruding portion 14 of the connecting shaft 8 backward in the operation of rotating the handle 7 from the vertical position (inverted position) to the horizontal position (storage position). The connecting shaft 8 protrudes from the dust box 6 and the protruding portion 14 enters the fitting portion 16 on the cleaner body 1 side. On the contrary, when the handle 7 is lifted, there is no restriction on the connecting portion, the connecting shaft 8 is housed in the dust box 6 by the biasing force of the spring 13, and the dust box 6 can be removed from the cleaner body 1. . That is, when the user wants to remove the dust box 6, the user can remove the dust box 6 from the cleaner body 1 simply by lifting the handle 7 of the dust box 6. It also has a function of preventing the vacuum cleaner body 1 from lifting when it is held. As described above, the present invention can improve the detachability of the dust box 6 and can simplify the handle 7 by preventing misuse of the handle 7.

  Furthermore, if a switch 17 is provided in the fitting portion 16 so that the ON / OFF state can be switched depending on the presence / absence of the connecting shaft 8, the presence / absence of the connecting shaft 8, that is, the presence / absence of the dust box 6 or the erroneous mounting of the dust box 6 can be determined. It is possible to stop the operation of the vacuum cleaner when the dust box 6 is not attached or is erroneously attached, or to notify the user with a buzzer or sound means.

  As described above, the dust box attaching / detaching configuration of the vacuum cleaner according to the present invention is useful as a configuration for improving the detachability usability and preventing the misuse of the handle.

(A) The top view of the vacuum cleaner main body external appearance in Embodiment 1 of this invention (b) The side view Central sectional view of the vacuum cleaner Partial sectional view of the dust box attachment / detachment part (in the handle storage state) Partial sectional view of the dust box attachment / detachment (inverted handle)

1 Vacuum Cleaner Body 6 Dust Box 7 Handle 8 Connecting Shaft (Connecting Portion)
13 Spring (biasing means)
14 Projection 17 Switch

Claims (1)

The vacuum cleaner body,
A dust box detachably attached to the main body of the vacuum cleaner;
Provided in the dust box, having a rotatable handle and a connecting portion for fixing to the cleaner body,
The grip is substantially arc-shaped and both ends are pivotally supported by the dust box, and are configured to be rotatable between a first position for carrying and a second position stored in a storage portion provided in the dust box,
The connecting portion is constituted by a connecting shaft that slides according to the position of the handle,
The connecting shaft has a protrusion at the top, and is slidably slidable in the front-rear direction in a state of being biased toward the front side of the cleaner body by a biasing means,
In the center part where the turning locus of the handle is the longest , the protrusion of the connecting shaft is moved to the rear of the cleaner body during the operation of turning the handle from the first position to the second position. And an inclined surface to be fitted to the fitting portion of the cleaner body is provided,
When the handle is in the second position, the connecting shaft is fitted into the fitting portion of the cleaner body, and when the handle is rotated to the first position, the connecting shaft and the cleaner body are fitted. And a switch for detecting the presence or absence of the connecting shaft is provided in the fitting portion of the cleaner body, and the presence or absence of the dust box is detected from the presence or absence of the connecting shaft. A vacuum cleaner equipped with functions.

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