Expansion sweep-up pipe
A technology for a dust suction pipe and a pipe body, which is applied in the direction of a suction hose and the like, can solve the problems of complex structure, difficult assembly and high manufacturing cost of the telescopic dust suction pipe, and achieves simple structure, simple manufacturing and assembly process, and stable and reliable quality. Effect
Inactive Publication Date: 2008-04-09
陈爱民
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Problems solved by technology
3) This kind of telescopic dust suction pipe has complex structure, difficult assembly, and many parts, its own weight is large, and the manufacturing cost is relatively high
Method used
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[0025] Referring to the telescopic suction pipe of a vacuum cleaner shown in FIGS. 1-2 , the telescopic suction pipe includes a hollow pipe body 1 , a pull rod 2 and a locking mechanism 3 . Usually, one end of the pipe body 1 is airtightly connected to a hose for a vacuum cleaner, and the other end is airtightly connected to an accessory such as a floor brush or a suction head for the vacuum cleaner. As shown in Figure 3, the pipe body 1 is provided with a chute 10 along the axial direction on the pipe wall. Installed in the chute 10. In order to make the pull rod 2 not fall off along the radial direction of the pipe body after being installed in the chute 10, two opposite flanges 12 are formed at the notch of the chute 10 along the axial direction of the pipe body 1, and the pull rod 2 The two corners of the two corners form a concave portion 13 that matches the flange 12, so that the pull rod 2 will not fall off from the axial notch of the groove after being set like this. ...
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The invention relates to a telescoped dust pipe used for a dust collector, which comprises a hollow pipe body, a pull bar and a lockout mechanism, wherein, the pull bar is arranged on the pipe body, and the pull bar can slide along the axis direction of the pipe body, when the lockout mechanism is under the unlock status, the pull bar can slide along the axis direction of the pipe body; when the lockout mechanism is under the lock status, the relative locations of the pull bar and the pipe body are locked, the pull bar can not slide along the axis direction of the pipe body. When being used, a user can adjust the relative locations of the pull bar and the pipe body through the lockout mechanism, thereby changing the height away from the ground connected with the pull bar (handle) end, and enabling the user to work in the most comfortable operating location. The telescoped dust pip omits a sealing element required in a traditional structure, to ensure that manufacturing and assembly are more convenient, the usage for a user is more smart and convenient; and the manufacture cost is lower, as well as the quality is more stable and reliable.
Description
technical field [0001] The invention relates to a telescopic dust suction pipe used in a vacuum cleaner. Background technique [0002] In the vacuum cleaner industry, as an important executive part of the vacuum cleaner, the telescopic suction tube is widely used. When the user uses the telescopic suction tube, he can adjust the telescopic length according to the needs, so that he can be in the most comfortable and convenient position. When not in use, this suction tube can be shortened to a minimum length for easy storage and transport. [0003] All telescopic suction pipes currently used on the market (hereinafter referred to as "traditional telescopic suction pipes") are shown in Figures 11 to 12, which consist of an outer tube and an inner tube that are socketed with each other. One end of the outer tube is connected to cleaning parts such as a floor brush, and the handle end of the other end is connected to the main body of the vacuum cleaner through a plastic hose pa...
Claims
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IPC IPC(8): A47L9/24
Inventor 陈爱民
Owner 陈爱民