JP2755869B2 - Electric vacuum cleaner - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner constructed by connecting a floor suction port and the like to a cleaner body via a flexible hose and an extension pipe. 2. Description of the Related Art Conventionally, as this kind of vacuum cleaner, for example, in Japanese Utility Model Publication No. 52-12278, a grip handle pipe is rotatably fitted to a connecting pipe inserted into a flexible hose. There is also known a device in which a remote switch is provided between a connecting pipe and a handle pipe. However, the handle handle tube has a relatively large diameter because dust passes through the inside thereof, and has a disadvantage that it is difficult for a user with a small hand to grasp, and the usability is poor.
Also, for example, Japanese Utility Model Laid-Open Publication No. 57-166856 discloses an extension tube provided with a handle portion, and it is conceivable to incorporate a switch into the handle portion. However, the extension tube and the handle portion are separately provided. Since it is formed on the body, it is difficult to connect the conductive wire of the flexible hose to the switch and the like, and there is a drawback that assembly workability is poor. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and has as its object to provide a vacuum cleaner capable of improving usability and assemblability. SUMMARY OF THE INVENTION The present invention provides a cleaner body having a dust collecting part and an electric blower, a flexible hose having one end connected to the cleaner body, A bent pipe provided at the other end and having a handle part, an extension pipe connected to the bend pipe, and a suction tool connected to the extension pipe, wherein the handle part is an extension pipe of the bend pipe. An extending portion extending in the same direction as the extension tube from the connected end toward the flexible hose, and a handle portion curved from the extending portion to the hose side in the direction in which the extending portion extends. And the handle portion is composed of a lower case integrally formed with a bent pipe, and a cover member for closing an opening of the lower case, and is surrounded by the lower case and the cover member in the extension portion. The control parts for controlling the electric blower are housed in the space It is characterized by the following. According to the above configuration, the control section is housed in the extension of the lower case from the upper opening of the lower case integrally formed with the bent pipe, and the upper opening of the lower case is covered with the cover member to form the handle portion. . Since the lower case of the upper surface opening that constitutes the handle part is formed integrally with the bent pipe, the control part can be easily attached to the lower case, and the connection work between the conductive wire of the flexible hose and the control part can be performed. Easy to do. In addition, the cleaning operation is performed by gripping the handle portion of the handle portion, but since the handle portion can be formed to an arbitrary diameter that is easy to grip,
Even a user with a small hand can easily carry out the cleaning operation by grasping, and the usability is improved. Since the control unit provided on the extension of the handle unit is located in front of the user holding the handle unit, the control unit can be operated with good operability while holding the handle unit, thereby improving usability. Further, the handle portion is extended from the end to which the extension pipe of the bent pipe is connected to the flexible hose in the same direction as the extension pipe, and an extension from the extension to the hose. Since the handle portion is curved, the angle formed by the handle portion with respect to the extension direction of the extension tube can be increased, and the force for gripping and pushing and pulling the handle portion can be efficiently applied to the extension tube. It can be transmitted, and usability and push-pull operability are improved. BEST MODE FOR CARRYING OUT THE INVENTION 1 is a vacuum cleaner body having a built-in dust collector and an electric blower, and 2 is a floor suction port, which is provided on an upper surface side of the cleaner body 1 via an extension pipe 3 and a flexible hose 4. It is connected. The flexible hose 4 is provided with a pair of steel wires 6, which also serve as conductive wires, in a spiral shape along the inner surface of the outer cover 5. Reference numeral 7 denotes a bent pipe having one end connected to the end of the flexible hose 4, and the extension pipe 3 is detachably connected to the other end. Reference numeral 8 denotes a lower case integrally formed on the upper surface side of the bent pipe 7 with an upper opening.
The upper surface opening is covered by a cover member 17 described later, and a handle portion 9 is formed on the upper surface side of the bent pipe 7.
The handle portion 9 includes an extension portion 10 extending from the other end of the bent pipe 7 to which the extension tube 3 is connected to the flexible hose 4 in substantially the same direction as the extension tube 3, A handle portion 11 which extends from the extension portion 10 toward the flexible hose 4 and extends to the bent pipe 7 is formed. 12 is an extension of the handle 9
A control unit housed in the main body 10 controls an electric blower built in the cleaner body 1, and the control unit 12 uses a lead wire 13 to connect a conductive wire 6 of a flexible hose 4.
And a variable resistor 16 having an operating rod 15 mounted on the control board 14. A cover member 17 covers the upper opening of the lower case 8 and inserts and locks the tip projecting portion 18 into a locking hole 19 formed in the bent pipe 7. The engaging pawls 20 and 21 projecting from each other are engaged with each other.
The lower case 8 and the cover member 17 are integrated with each other by being fixed to the boss portion 23 provided at the bottom. Reference numeral 24 denotes an operating body of the variable resistor 16 disposed on the upper surface of the extending portion 10 of the cover member 17, and an extending direction of the extending portion 10 along a guide groove 25 formed on both side surfaces of the cover member 17. The operating body 24 is connected to the operating rod 15 of the variable resistor 16, and the sliding of the operating body 24 changes the resistance value of the variable resistor 16 to the cleaner body 1. The built-in electric blower is controlled. Reference numeral 26 denotes a cylindrical cover for covering a connection portion between the flexible hose 4 and the bent pipe 7, and 27 denotes a main body insertion portion of the flexible hose 4, which is formed on an upper surface side of the cleaner main body 1. It is configured to be detachably connected to a mouth (not shown). Thus, the lower case 8 integrally formed with the bent pipe 7
The control board 14 is inserted into the extension 10 of the lower case 8 through the upper opening.
The variable resistor 16 is housed, the lead wire 13 of the control board 14 is connected to the steel wires 6 of the flexible hose 4, and the upper opening of the lower case 8 is covered with the cover member 17, and the handle portion 9 is covered. Is configured. In use, the user grips the handle portion 11 of the handle portion 8, performs a push-pull operation to move the floor suction port 2, and performs a cleaning operation. Since the extension portion 10 is located in front of the handle portion 11, the electric blower can be easily controlled by operating the operating body 24 of the extension portion 10 in a state where the handle portion 11 is gripped, and the operability is improved. Can be improved. Moreover, the operating body 24 is an extension
Since the sliding operation is performed in the extending direction of the grip 10, the grip 11 can be operated with more operability in a gripped state. The handle portion 8 includes an extension portion 10 extending from the end of the bend pipe 7 to which the extension tube 3 is connected to the flexible hose 4 in substantially the same direction as the extension tube 3; Since the handle portion 11 is curved from the installation portion 10 to the hose side from the direction in which the extension portion 10 extends, the angle formed by the handle portion 11 with respect to the extension direction of the extension pipe 3 increases, and the handle portion 11 , And the force of the push-pull operation can be efficiently transmitted to the extension pipe 3, so that the push-pull operation and the change of the push-pull operation direction can be performed more easily, and the usability and the push-pull operability are improved. Can be improved. As described above, according to the present invention, the handle portion extends from the end where the extension pipe of the bent pipe is connected to the flexible hose in substantially the same direction as the extension pipe. The extension portion and the handle portion curved from the extension portion to the hose side from the extension direction of the extension portion make it possible to increase the angle formed by the handle portion with respect to the extension direction of the extension pipe. It is possible to efficiently transmit the force of pushing and pulling by gripping the handle to the extension pipe, improving usability and push / pull operability, and holding the handle formed on the bent pipe. Usability and push-pull operability can be improved by forming an arbitrary diameter that is easy to handle. Further, since the lower case of the handle portion is formed integrally with the bent pipe, the workability of assembling the control component into the handle portion can be improved, and the connection between the conductive wire of the flexible hose and the control component can be improved. And so on, and the effects such as improvement of assembly workability can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view when a vacuum cleaner according to an embodiment of the present invention is used. FIG. 2 is a plan view of a curved pipe of the vacuum cleaner. FIG. 3 is a side view of a bent pipe of the vacuum cleaner. FIG. 4 is a plan view of a curved pipe of the vacuum cleaner. FIG. 5 is a plan view showing a partially cut-out state of FIG. 4 except for a cover member. FIG. 6 is a sectional view of a main part of FIG. [Description of Signs] 1 Vacuum cleaner main body 3 Extension pipe 4 Flexible hose 7 Curved pipe 8 Lower case 9 Handle section 10 Extension section 11 Handle section 12 Control section 17 Cover member

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroyasu Ishihara 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (58) Field surveyed (Int. Cl. ⁶ , DB name) A47L 9 / 28

Claims (1)

(57) [Claims] A cleaner main body including a dust collecting part and an electric blower, a flexible hose having one end connected to the cleaner main body, and a bent pipe provided at the other end of the flexible hose and having a handle part And an extension pipe connected to the bent pipe;
A suction tool connected to the extension pipe, wherein the handle portion extends in the same direction as the extension pipe from the end to which the extension pipe of the bent pipe is connected toward the flexible hose. An extension portion, a handle portion curved from the extension portion to the hose side in the extension direction of the extension portion, and a lower case in which the handle portion is integrally formed with a bent pipe; and an opening of the lower case. A vacuum cleaner comprising: a cover member that closes the housing; and a control part that controls the electric blower is housed in a space surrounded by the lower case and the cover member in the extension portion.