JPH0126360Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to a vacuum cleaner in which a cord wound around a cord reel inside a case is pulled out from a cord outlet of the case.

(Prior Art) In a vacuum cleaner, as shown in FIG. 1, a cord reel (not shown) is disposed inside a case 1, and a cord 2 wound on the cord reel is opened at the rear surface of the case 1. There is a type in which the cord is pulled out from the cord outlet 3. In the figure, 4 is a connection plug attached to the outer end of the cord 2. In this type of vacuum cleaner, the cord reel is normally biased to rotate in the direction of winding the cord 2 by a spring, and when the cord winding button 5 on the case 1 is pressed, the cord reel is rotated by a spring. The frictional fixation to the case side is released, and the cord reel can be rotated in the direction in which the cord 2 is wound up by the above-mentioned spring. And code 2
is wound up on the cord reel, connection plug 4
The cord comes into contact with the rear surface of the case 1 at the cord outlet 3 and is prevented from entering the case 1. This is to facilitate withdrawal of the code 2.

(Problem to be solved by the invention) By the way, the diameter of the cord 2 and the connection plug 4 mentioned above
Since standards such as the size of the vacuum cleaner differ depending on the country in which it is used, when exporting a vacuum cleaner, it is necessary to conform the cord 2 and the connection plug 4 to the standards of the exporting country. For this reason, conventionally, a large opening 6 is provided in advance on the rear surface of the case 1, and several types of exit covers 7 of different sizes are prepared, and one of the exit covers 7 is selected to open the opening 6. Currently, the cord outlet 3 is made to correspond to the cord 2 according to the standards of the exporting country by partially fitting the cord into the cord.

However, if it becomes necessary to replace the cord 2 with one of a different standard, it is necessary to replace the outlet cover 7 of the opening 6 with one that complies with the cord 2, making parts management difficult.

Therefore, the purpose of this invention is to provide a vacuum cleaner that can form cord outlets compatible with cords and connection plugs of different standards with a single cord stopper, without having to prepare several types of outlet covers as in the past. It is something.

(Means for Solving the Problems) In order to achieve this object, this invention includes a cord reel disposed within a case, a cord outlet disposed within the case, and a cord wound around the cord reel. In the vacuum cleaner, the vacuum cleaner includes a cord that can be pulled out from the cord outlet and a connection plug that is provided at the outer end of the cord, and that is fixed in the case and spaced apart from each other in the circumferential direction. a stopper support shaft portion having a plurality of first positioning portions provided on its outer peripheral surface; and a fitting hole provided at one end with a second positioning portion to be engaged with the first positioning portions; and a cord stopper provided at the other end with an abutting portion that closes a part of the cord outlet, the fitting hole is removably fitted to the stopper support shaft, and the first .The second positioning part is characterized in that it is a vacuum cleaner that is removably engaged with the vacuum cleaner.

(Function) According to this configuration, by removing the fitting hole of the cord stopper from the stopper support shaft, the engagement between the cord stopper and the positioning portion of the stopper support shaft is released. After that, the fitting hole of the cord stopper is fitted to the outer periphery of the stopper support shaft portion at different fitting angles, and the positioning portions of the cord stopper and the stopper support shaft portion are engaged with each other. The opening degree of the cord outlet is adjusted by the abutting part.

(Example) This invention will be explained below based on FIGS. 2 to 6. In this description, parts or members that are the same as or equivalent to those of the prior art are given the same reference numerals and redundant description will be omitted.

In FIGS. 2 and 3, the case 1 is composed of an upper case 1a and a lower case 1b. The end surfaces of the partition wall 8 provided on the upper case 1a and the partition wall 9 provided on the lower case 1b match each other, and the case 1
The interior is divided into a blower room 10 and a reel room 11. A mounting bracket 12 is clamped and fixed between the partition walls 8 and 9, and a support shaft 13 disposed laterally within the reel chamber 11 is fixed to the mounting bracket 12. A cord reel 14 shown in the figure is rotatably held, and a cord 2 is wound around a drum portion 14a of the cord reel 14. A spring (not shown) is interposed between the cord reel 14 and the support shaft 13, and this spring biases the cord reel 14 to rotate in the direction in which the cord 2 is wound around the drum portion 14a.

The inner end 2a of the above-mentioned cord 2 is inserted into the drum part 14a through a hole 15 provided in the drum part 14a, as shown in FIG. The inner end 2a of the cord 2 is fixed to the end plate 14b of the cord reel 14 via a cord fixing plate 16. This cord fixing plate 16 is removably fixed to the end plate 14b via screws 17. Moreover, the wiring 18 protruding from the outer sheath of the inner end 2a of the cord 2,
Terminals 20 and 21 for screw fixing are fixed to the tip of the terminal 19, and the terminals 20 and 21 are fixed to the end plate 14b with screws 2.
2 and 23. This terminal 2
0 and 21 are electrically connected to the electric blower 10a in the blower room 10 via a rotary coupling (not shown).

As shown in FIGS. 3 and 4, the support shaft 13 in the case 1 has a free end 13 as a stopper support shaft.
a is provided, and a serration 24 is formed on the outer peripheral surface of this free end portion 13a. Each tooth 24a of this serration 24 (see FIG. 2) has a first
A plurality of positioning portions are arranged in the circumferential direction. Moreover, the support shaft 13 and its free end 13a
extend left and right along the opening surface of the cord outlet 3 into the lower case 1b.

The free end 13a of this support shaft 13 and the cord outlet 3
A cord stopper 27 is disposed between the cord stopper 27 and the cord stopper 27. This cord stopper 27 is formed integrally with a cylindrical body 25 provided with a fitting hole 25a, an arm 26 extending from this cylindrical body 25 toward the cord outlet 3, and an opening 6. An arcuate contact portion 2 that partially closes the upper side of the
7a. Then, the fitting hole 2 of the cylinder body 25
Engagement grooves 25b that engage with each tooth 24a of the serrations 24 are formed in the second positioning portion 5a. This fitting hole 25a, that is, the cylindrical body 25 is removably fitted to the outer peripheral surface of the free end portion 13a of the support shaft 13, and the teeth 2 as the first positioning portion
4a and an engagement groove 25b serving as a second positioning portion are removably engaged with each other. Such a cord stopper 27 is connected to the serrations 24 of the cylindrical body 25.
By changing the fitting angle to the support shaft 13, circular arc rotation is performed up and down about the support shaft 13. Thereby, the cord stopper 27 can be rotated in a direction intersecting the opening direction of the cord outlet 3, and can also adjust the degree of opening of the cord outlet 3. In the figure, reference numeral 28 denotes a fixed stopper part provided at the lower edge of the opening 6 integrally with the lower case 1b.

Furthermore, a spring 2 is provided at the top of the upper case 1a.
At 9, the upwardly spring-biased button 5 is attached;
An upper end portion of a brake lever 30 is pivotally attached to the button 5 via a pivot shaft 31. This brake lever 30 has an intermediate portion connected to the upper case 1a via a pivot 32.
It is pivoted on the top. The brake rubber 33 attached to the lower end of the lever 30 is brought into elastic contact with the drum part 14c provided on the side of the cord reel 14, and is slightly separated from the drum part 14c by pressing the button 5. It's becoming like that.

Next, a description will be given of how to exchange the cord of the vacuum cleaner having such a configuration.

To exchange code 2 with one of a different standard,
First, remove the upper case 1a from the lower case 1b, and remove the mounting bracket 12, spindle 13, and cord reel 1.
4 from the lower case 1. At this time, code 2
Also pull it out from the opening 6. Then, from the end plate 14b of the removed cord reel 14, screws 17, 22,
By removing 23, the inner end 2 of the cord 2
a from the end plate 14b and pull it out from the hole 15.

Thereafter, assemble the cord 2 of the new standard onto the cord reel 14 in the reverse procedure to that described above, and once remove the cylinder 25 from the serrations 24 of the support shaft 13, attach the serrations 2 at a different angle.
4. Next, connect the cord 2 to the opening 6
After inserting it from inside the lower case 1b to the outside through the
By inserting the cord reel 14 into the reel chamber 11 and fixing the mounting bracket 12 between the partition walls 8 and 9, the lid 27a of the cord stopper 27 covers the upper part of the opening 6. As a result, a cord outlet 3 is formed below the contact portion 27a. Note that by changing the fitting angle of the cylindrical body 25 to the serrations 24, the cord reel 14
When attached to case 1, cord stopper 27
is substantially circularly rotated up and down about the support shaft 13. As a result, the opening degree of the cord outlet 3 becomes a size corresponding to the standard of the cord 2.

In the embodiment described above, the inner end 2 of the cord 2
A is fixed to the end plate 14b with the cord fixing plate 16, but it is not necessary to do it this way.For example, as shown in FIG.
By providing a pair of arc-shaped ribs 34 and 35 on the ends of the wires 18 and 19, and arranging the inner ends 1b of the cords 2 by bending them along the ribs 34 and 35, the end plates 1 of the wirings 18 and 19 are
The external force acting on the cord 2 may not be applied to the attachment portion to the cord 4b.

(Effects) A cord reel disposed in a case, a cord outlet provided in the case, a cord wound around the cord reel and provided so as to be drawn out from the cord outlet, and the cord. and a connection plug provided at an outer end of the vacuum cleaner, wherein a plurality of first positioning portions are arranged and fixed within the case and spaced apart from each other in the circumferential direction, and are provided on the outer peripheral surface of the vacuum cleaner. A stopper support shaft part and a fitting hole with a second positioning part that is engaged with the first positioning part are provided at one end, and a part of the cord outlet is closed at the other end. a cord stopper provided with an abutting portion, the fitting hole is removably fitted to the stopper support shaft portion, and the first and second positioning portions are removably engaged with each other. Since it is a vacuum cleaner, there is no need to prepare several types of outlet covers as in the past, and a single coat stopper can form cord outlets of sizes corresponding to cords and connection plugs of different standards. As a result, there is an advantage that parts management etc. can be made easier than before.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a conventional vacuum cleaner equipped with a cord outlet, Fig. 2 is a cross-sectional view of essential parts of a vacuum cleaner showing an embodiment of this invention, and Fig. 3 is the same as that shown in Fig. 2.
4 is a perspective view showing the relationship between the cord reel and the cord stopper in FIG. 2, and 5 is a sectional view taken along the line.
6 are sectional views showing how the cord is attached to the cord reel. 1... Case, 2... Cord, 3... Cord outlet, 4... Connection plug, 13... Support shaft, 13a...
...Free end (stopper support shaft part), 14... Cord reel, 24... Serration, 24a... Teeth (first positioning part) 25... Cylindrical body, 25a... Fitting hole, 25b... Engagement groove (second positioning part), 2
6... Arm, 27... Cord stopper, 27a
...Abutment part.

Claims (1)

[Claims for Utility Model Registration] A cord reel disposed within a case, a cord outlet provided within the case, and a cord wound around the cord reel and provided so as to be drawn out from the cord outlet. In a vacuum cleaner comprising a cord and a connection plug provided at an outer end of the cord, a plurality of first positioning portions disposed and fixed within the case and spaced apart in a circumferential direction are arranged and fixed on an outer peripheral surface of the vacuum cleaner. a stopper support shaft portion provided at the stopper support shaft portion;
and a cord stopper provided with a fitting hole with a positioning part and an abutting part for closing a part of the cord outlet at the other end, and the fitting hole is connected to the stopper support shaft part. A vacuum cleaner, characterized in that the first and second positioning parts are removably fitted into the vacuum cleaner.