JP2009125357A - Power cord mounting structure of electric appliance for home use - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power cord mounting structure of an electric appliance for home use whose production costs can be reduced. <P>SOLUTION: The power cord mounting structure for the electric appliance 10 for home use is provided with a power cord 29 and a folded part 38 in a passage 33 leading to an inlet 34 which communicates with an outlet 32 opposed to an outlet port 31 from which the electric cord 29 is taken out. In this case, a slit 37 through which the power cord 29 passes is formed in a vertical wall 36c near the outlet 32 and in the passage somewhere around the folded part 38b. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a power cord attachment structure for household electric products such as an electric water heater and a humidifier having a power cord.

  Generally, household electric appliances have a power cord for supplying electricity and a power cord attachment part for fixing the power cord. There are two types of power cords: a flat power cord for domestic use and a round power cord for overseas use. For this reason, when the power cord attachment component is designed in consideration of only the domestic flat power cord, it is difficult to assemble when mounting a round power cord for overseas. On the other hand, if the power cord attachment parts are designed considering only the round power cord for overseas use, it cannot be fixed sufficiently when installing a flat power cord for domestic use. There was a bug.

  For this reason, it is necessary to design and manufacture the power cord attachment component for each type of power cord, resulting in an increase in manufacturing cost.

  The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a power cord attachment structure for household electric products that can reduce the manufacturing cost.

  As means for solving the above-mentioned problems, the household electric appliance according to the present invention is provided with a power cord, and is provided with a folded portion in a passage leading to an inlet communicating with an outlet facing the outlet from which the power cord is taken out. In the power cord attachment structure for electrical products, a slit for inserting the power cord is formed in a standing wall between the passages in the vicinity of the outlet and before and after the folded portion.

  A slit is formed in the standing wall between the passages before and after the folded portion, and the power cord is inserted through the slit so that the power cord passes through the folded portion to reach the outlet, and the folded portion is bent 180 °. It is possible to adopt a method in which the power cord is disposed so as to be doubled from the slit to the outlet.

  As one specific means, the passage can be provided with a large-sized power cord, or a small-sized power cord can be disposed twice, and the slit can be inserted with the small-sized power cord. Preferably formed.

  Since a large or small power cord can be installed in the passage, the power cord attachment structure can be shared even if the power cord size is different, reducing the manufacturing cost of the power cord attachment parts. can do.

  Moreover, by inserting a small-sized power cord into the slit, a small-sized power cord can be disposed in the folded portion of the passage where the large-sized power cord is disposed, and fixed at the folded portion. .

  Furthermore, it is preferable that a plurality of ribs disposed in the passage and in contact with the power cord are provided along the passage.

  By providing a plurality of ribs along the passage, the rib presses the power cord between the bottom surface of the passage and the power cord can be more securely fixed.

  A slit is formed in the standing wall between the passages before and after the folded portion, and the power cord is inserted through this slit so that the power cord passes through the folded portion to reach the outlet, and the folded portion is bent by 180 ° It is possible to adopt a method in which the power cords are arranged so as to be doubled and reach from the slit to the outlet.

  Since a large or small power cord can be installed in the passage, the power cord attachment structure can be shared even if the power cord size is different, reducing the manufacturing cost of the power cord attachment parts. can do. Moreover, by inserting a small-sized power cord into the slit, a small-sized power cord can be disposed in the folded portion of the passage where the large-sized power cord is disposed, and fixed at the folded portion. .

  By providing a plurality of ribs along the passage, the rib presses the power cord between the bottom surface of the passage and the power cord can be more securely fixed.

  Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  1 and 2 show an electric kettle 10 which is a household electric product according to an embodiment of the present invention. As shown in FIG. 2, the electric kettle 10 is attached to an inner container 11 that stores liquid, a main body 12 that stores the inner container 11, a lid body 13 that opens and closes an upper end opening of the main body 12, and a lower end of the main body 12. A bottom body 14 and a mounting table 15 engaged with the bottom body 14.

  On the bottom outer surface of the bottomed inner container 11, there is an upper connector 16 that is supplied with electricity by engaging with the mounting table 15, and a heating means that is electrically connected to the upper connector 16 and heats the inner container 11. An annular aluminum brazing heater 17, and a bottom body mounting leg 19 that is screwed with a screw 18 a for mounting the bottom body 14 to the main body 12 are installed between the aluminum brazing heater 17 and the upper connector 16. .

  The main body 12 includes a barrel-shaped body 21 and a handle portion 22 disposed at the rear of the body 21.

  The lid 13 is attached so as to be openable and closable around a hinge 23 provided on the rear end side. By opening the lid 13, the liquid can be poured into the inner container 11. A spout 24 is formed in front of the lid 13 to discharge the liquid in the inner container 11.

  The bottomed bottom body 14 is formed with a hole 26 a through which the lower connector 25 that engages with the upper connector 16 is inserted. The bottom body 14 is attached to the inner container 11 by inserting the screw 18 a through the hole 26 b of the bottom body 14 and screwing it with the bottom body mounting leg 19 at the bottom of the inner container 11.

  As shown in FIG. 3, the mounting table 15 includes a lower connector 25 that engages with the upper connector 16, a lower member 27 that installs the lower connector 25, and an upper member 28 that mounts the bottom body 14 on the upper surface. It is composed of

  The lower connector 25 is electrically connected to a power cord 29 (see FIG. 2) inserted into a power source (not shown), and supplies electricity to the aluminum brazing heater 17 through the upper connector 16 at the bottom of the inner container 11. .

  As shown in FIG. 4B, the lower member 27 is integrally formed with a passage 33 extending from the vicinity of the center to the outlet 32 connected to the outlet 31 for taking out the power cord 29 and through which the power cord 29 is inserted. The passage 33 is formed at the first and second bosses 35a and 35b forming the inlet 34, the first standing wall 36a curved from the first boss 35a toward the outside of the lower member 27, and the end of the first standing wall 36a. The formed third boss 35c, the third standing wall 36c extending from the third boss 35c toward the inside of the lower member 27, and the slit 37 are formed with a gap from the end of the third standing wall 36c. The fourth boss 35d, the second standing wall 36b extending from the second boss 35b toward the first standing wall 36a, and extending from the second boss 35b in the opposite direction to the first boss 35a so as to go around the fourth boss 35d. It is formed of a fourth standing wall 36d that is curved to form a U-shape, and a fifth boss 35e that forms an end of the fourth standing wall 36d. The third boss 35c and the fifth boss 35e form the outlet 32.

  The first passage 33a starts from the first and second bosses 35a and 35b and is formed by the first standing wall 36a and the second standing wall 36b. The first folded portion 38a is formed from the end portions 39 of the first standing wall 36a and the second standing wall 36b. The second passage 33b starts from the end 39 of the second standing wall 36b and the third boss 35c, and is formed by the second standing wall 36b, the fourth standing wall 36d, and the third standing wall 36c. The second folded portion 38b is formed by a fourth standing wall 36d and a fourth boss 35d. The third passage 33c starts from the vicinity of the fourth boss 35d and the fifth boss 35e, and is formed of the third standing wall 36c and the fifth boss 35e.

  The width of each passage 33 is formed so that the large-sized power cords 29a are disposed, and the small-sized power cords 29b can be disposed twice.

  The lower member 27 is formed with a fitting portion 41 for fitting and supporting the lower connector 25 and a hole 42 through which the screw 18b for attaching the upper member 28 is inserted.

  A hole 43 through which the lower connector 25 is inserted is formed in the upper member 28. As shown in FIG. 4A, the upper member 28 is disposed along a path 33 indicated by a one-dot chain line from the inlet 34 to the outlet 32, and presses the power cord 29 between the bottom surface of the path 33. A plurality of ribs 44 (44a, 44b, 44c, 44d, 44e, 44f, 44g, 44h) are disposed downward. The tips of the ribs 44 are concave. Further, on the back surface of the upper member 28, a lower member mounting leg 45 for screwing a screw 18 b for mounting the upper member 28 to the lower member 27 is disposed toward the lower member 27.

  Next, with reference to FIG. 5, a procedure for disposing the large power cord 29 a and the small power cord 29 b in the passage 33 of the lower member 27 will be described. Here, the large power cord 29a is, for example, a three-core cord shown in FIG. 6A, and the small power cord 29b is, for example, a two-core cord shown in FIG. 6B.

  As shown in FIG. 5 (a), the large-sized power cord 29a is arranged in such a way that the large-sized power cord 29a is first disposed from the inlet 34 to the first passage 33a, and the first folded portion 38a is circulated. . Next, it arrange | positions in the 2nd channel | path 33b and makes the 2nd folding | turning part 38b go around. Then, it arrange | positions toward the exit 32 through the 3rd channel | path 33c.

  Even if the large-sized power cord 29a extending outward from the take-out port 31 is pulled or pushed in, the second folded portion 38b becomes a resistor and can be fixed to the lower member 27.

  As shown in FIG. 5 (b), the arrangement procedure of the small-sized power cord 29b is first disposed from the inlet 34 to the first passage 33a in the same manner as the large-sized power cord 29a, and the first folded portion 38a. Around. Next, it arrange | positions in the 2nd channel | path 33b and makes the 2nd folding | turning part 38b go around. Subsequently, the second boss 35e is brought into contact with the fifth boss 35e, bent by 180 ° to be doubled, and the second folded portion 38b is circulated again. After that, it is inserted through the slit 37, passes through the third passage 33 c, and is disposed toward the outlet 32.

  As described above, the slit 37 is formed in the third standing wall 36c that is a standing wall between the passages before and after the second folded portion 38b, and the small power cord 29b is inserted into the slit 37, so that the second folded portion 38b The small-sized power cords 29b can be disposed twice, and the small-sized power cords 29b can be pressed and fixed by the second folded portion 38b.

  Since the power cords 29a and 29b having a large size or a small size can be arranged in the passage 33, the power cord mounting structure can be made common even if the size of the power cord 29 is different. The manufacturing cost can be reduced.

  Next, when the upper member 28 is attached on the lower member 27, the large-sized power cord 29a is connected to the rib 44 disposed on the back surface of the upper member 28 and the bottom surface of the passage 33 as shown in FIG. It is pressed between.

  As shown in FIG. 6B, the small-sized power cord 29 b is pressed between the rib 44 and the bottom surface of the passage 33 by making the axis in the major axis direction vertical.

  As shown in FIG. 4 (a), the rib 44 has the power cord 29 inserted through the inlet 34 and guided to the first standing wall 36a regardless of whether the power cord 29a is large or the power cord 29b is small. The rib 44a and the rib 44b press downward in order. The rib 44c presses the power cord 29 guided by the third standing wall 36c, and the rib 44d, rib 44e, rib 44f, and rib 44g press the power cord 29 guided by the fourth standing wall 36d in this order. The ribs 44 h press the power cord 29 at the outlet 32.

  Therefore, by providing the ribs 44 on the back surfaces of the plurality of upper members 28 along the passages 33, the ribs 44 press the power cord 29 between the bottom surfaces of the passages 33, and the power cords 29 are more securely fixed. Can do.

  The power cord attachment structure for household electric appliances according to the present invention is not limited to the above embodiment, and various modifications are possible.

  The shape of the second folded portion 38b is not limited to that of the embodiment as long as the necessary strength is ensured and the power cord 29 can be fixed to the fourth boss 35d. For example, it is possible to adopt a V-shaped configuration instead of the U-shaped.

  The number of ribs 44 disposed on the back surface of the upper member 28 is not limited to the number of embodiments as long as the power cord 29 is pressed against and fixed to the bottom surface of the passage 33. A configuration in which the number of ribs 44 is increased or decreased may be employed.

The perspective view of the household electric appliance which concerns on embodiment of this invention. The partial cross section side view of the household electric appliance which concerns on embodiment of this invention. The disassembled perspective view of the mounting base which concerns on embodiment of this invention. (A) Partial bottom view of the upper member according to the embodiment of the present invention (b) Top view of the lower member according to the embodiment of the present invention. (A) Top view showing a state in which a large-sized power cord according to an embodiment of the present invention is arranged in a passage (b) showing a state in which a small-sized power cord according to an embodiment of the present invention is arranged in a passage Top view. (A) Sectional drawing which shows the state which the rib which concerns on embodiment of this invention has pressed down the power cord with a large size below (b) The rib which concerns on embodiment of this invention presses down a power cord with a small size below Sectional drawing which shows the state which is carrying out.

Explanation of symbols

10 Electric kettle (household electrical appliances)
29 power cord 29a large power cord 29b small power cord 31 outlet 31 outlet 33 passage 36 standing wall 36c third standing wall 37 slit 38 folded portion 38b second folded portion 44 rib

Claims (3)

In the power cord mounting structure for household electrical appliances, provided with a power cord, and provided with a folded portion in the passage leading to the inlet communicating with the outlet facing the outlet for taking out the power cord,
A power cord attachment structure for household electric appliances, wherein a slit for inserting the power cord is formed in a standing wall between the passages in the vicinity of the outlet and before and after the folded portion.   The passage may be provided with a large-sized power cord, or a small-sized power cord may be disposed twice, and the slit may be formed so that the small-sized power cord can be inserted. The power cord attachment structure for household electrical appliances according to claim 1.   The power cord attachment structure for household electric appliances according to claim 1 or 2, wherein a plurality of ribs arranged in the passage and contacting the power cord are provided along the passage.

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