JP2014018267A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner without the risk of damaging a cord cover when assembling a body.SOLUTION: In a unit of a cord reel 8 including a cord stopper 25 having a retainer part 26 of a plug 21, a power cord 20 is assembled to a reel 22 in the state of inserting the power cord 20 to the cord stopper 25 from an end on the opposite side of the plug 21 first, and then assembling the reel 22 in a reel support 23 to attain a unit state of the cord reel 8, the cover of the power cord 20 is prevented from being damaged during assembly.

Description

  The present invention relates to a vacuum cleaner including a cord reel that winds and stores a power cord.

  Conventionally, this type of vacuum cleaner includes an electric blower and a cord reel unit that are housed in a main body. The cord reel unit includes a cord having a plug at a tip, a reel that winds the cord, and a reel that is connected to the main body. The guide comprises: a reel support that is rotatably supported inside; and a cylindrical guide cover that is disposed between a connection port portion formed in the rear case and the reel and guides winding of the cord around the reel. The cover has a cord insertion cut-out section that cuts out the guide cover cylinder wall with a certain width along the axial direction, and a plug that is disposed in the reel-side opening and prevents the plug of the cord inserted through the cut-out section from coming off. (See, for example, Patent Document 1).

JP-A-9-201318

  However, in the above conventional configuration, there is a possibility that the cord clothing may be damaged when the cord is passed through the cord insertion cutout portion that cuts out the cylindrical wall of the guide cover with a certain width along the axial direction. It was. SUMMARY OF THE INVENTION An object of the present invention is to provide an electric vacuum cleaner having a cord reel unit that does not damage the cord clothing during assembly.

In a vacuum cleaner main body including an electric blower for sucking dust and a cord reel for winding and storing a power cord having a plug at a tip, the cord reel, the reel for winding the power cord, and the reel A reel support that is rotatably supported inside the vacuum cleaner main body, and a cord stopper having a retaining portion for the plug of the power cord, and the cord stopper is formed on the upper portion of the vacuum cleaner main body. In the state where the power cord is first passed through the cord stopper having the plug retaining portion, the cord outlet portion is arranged by being sandwiched between the upper body and the lower body of the cleaner body. Incorporate the power cord into the reel, and then assemble the reel into the reel support so that the cord reel is in a unit state. It is possible to prevent the attach.

  In addition, by making the cord reel a unit with a cord stopper, there is no need to perform work such as passing the plug portion of the power cord through the cord outlet part of the cleaner body when assembling the cord reel unit to the cleaner body, After the cord reel unit is set on the vacuum cleaner main body, the cord stopper is simply sandwiched between the upper main body and the lower main body at the cord outlet portion, and assembly work can be easily performed.

  ADVANTAGE OF THE INVENTION According to this invention, the vacuum cleaner which can prevent the clothes of a power cord from being damaged at the time of an assembly, and can perform an assembly operation easily can be provided.

The top view of the vacuum cleaner in Embodiment 1 of this invention Side view of the vacuum cleaner The rear view of the vacuum cleaner AA sectional view of the vacuum cleaner in FIG. Same as above, state diagram of the power cord inserted into the reel through the cord stopper of the vacuum cleaner (A) Left side view of the cord reel unit of the vacuum cleaner, (b) Right side view of the cord reel unit of the vacuum cleaner. BB sectional drawing in FIG. 1 of the vacuum cleaner The perspective view of the cord stopper of the vacuum cleaner

A first aspect of the present invention is a vacuum cleaner main body including an electric blower for sucking dust and a cord reel that winds and stores a power cord having a plug at a tip, and the cord reel is wound around the power cord. A reel supporting body that rotatably supports the reel inside the cleaner body; and a cord stopper having a plug retaining portion of the power cord plug, the cord stopper being the cleaning The power cord is first inserted into the cord stopper having the plug retaining portion by arranging it by sandwiching the cleaner main body between the upper main body and the lower main body at the cord outlet formed in the upper part of the machine main body. Assemble the power cord into the reel in the state of passing, and then assemble the reel into the reel support to make the unit state of the cord reel. It is possible to prevent the damage to the clothing of over de.
In addition, by making the cord reel a unit with a cord stopper, there is no need to perform work such as passing the plug portion of the power cord through the cord outlet part of the cleaner body when assembling the cord reel unit to the cleaner body, After the cord reel unit is set on the vacuum cleaner main body, the cord stopper is simply sandwiched between the upper main body and the lower main body at the cord outlet portion, and assembly work can be easily performed.

  In the second invention, in particular, in the first invention, a thick wall portion having a smooth R shape protruding outward is provided on the entire circumference of the retaining portion of the cord stopper. The contact between the cover and the stopper part of the cord stopper is made very smoothly by the thick R-shaped part projecting outward, and the outer cover of the power cord and the stopper part of the cord stopper are significantly scraped. And wear can be prevented, and the clothes of the power cord can be prevented from being damaged.

  In a third aspect of the invention, particularly in the first or second aspect of the invention, the projection area in the vertical and horizontal directions of the reel support is made smaller than the projection area in the diameter direction of the reel, thereby reducing the size and weight of the reel support. Cost reduction can be achieved, and a compact, lightweight, low-cost vacuum cleaner body can be provided.

  According to a fourth aspect of the invention, in any one of the first to third aspects of the invention, the groove portion that is sandwiched between the upper main body and the lower main body of the cleaner body is provided on the entire circumference of the outer peripheral end of the opening of the cord stopper. By inserting the end of the wall surface of the upper main body and the lower main body into the groove portion, the cord stopper can be securely sandwiched and fixed by the upper main body and the lower main body at the cord outlet portion, and the assembly work can be easily performed Can do.

According to a fifth aspect of the present invention, in particular, in any one of the first to fourth aspects, the outer portion of the main body of the vacuum cleaner is made of a synthetic resin with an emphasis on the appearance by using a polypropylene (PP) resin as the material of the cord stopper. The material ABS or PS is often used, but the cord stopper that is sandwiched between the upper main body and the lower main body at the cord outlet portion and has a plug retaining portion of the plug of the power cord also becomes the outer portion of the main body, but the above synthetic resin The materials ABS and PS are good in appearance, but have poor wear resistance, and have a problem that they are easily worn by friction with the jacket of the power cord when the power cord is pulled out. Although the appearance of the cord stopper is polypropylene (PP) resin, it looks good like ABS and PS. However, unlike the material with low wear resistance, the wear resistance is improved by using polypropylene (PP) resin. It is possible to prevent wear in a short period of time, and it is possible to prevent damage to the clothing of the power cord that comes into contact.

  In the sixth invention, in particular, in any one of the first to fourth inventions, the material of the cord stopper is a polyacetal (POM) resin or an ultrahigh molecular weight polyethylene resin, so that the appearance is good like ABS or PS. Unlike materials with low wear resistance, the use of polyacetal (POM) resin or ultra-high molecular weight polyethylene resin improves the low friction resistance and wear resistance, and prevents wear in a short period of time. It is possible to prevent the clothes of the power cord from being damaged.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 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 is a plan view of the electric vacuum cleaner according to Embodiment 1 of the present invention, FIG. 2 is a side view of the electric vacuum cleaner, FIG. 3 is a rear view of the electric vacuum cleaner, and FIG. 4 is a diagram of the electric vacuum cleaner. 1 is a cross-sectional view taken along line A-A, FIG. 5 is a state diagram in which a power cord is inserted into a cord stopper of the vacuum cleaner, and is assembled into a reel, FIG. 6A is a left side view of a cord reel unit of the vacuum cleaner, FIG. 6B is a right side view of the cord reel unit of the vacuum cleaner, FIG. 7 is a cross-sectional view of the vacuum cleaner taken along BB in FIG. 1, and FIG. 8 is a perspective view of the cord stopper of the vacuum cleaner. is there.

  In the vacuum cleaner according to the present embodiment, reference numeral 1 denotes a vacuum cleaner main body, and main outer parts of the vacuum cleaner main body 1 include a lower main body 2, a dust collection chamber lid 3, and an upper main body 4. Is formed. A partition 6 is provided inside the lower main body 2, and an electric blower chamber (not shown) that houses the electric blower 7 and a power cord 20 having a plug 21 at the tip are wound and stored on the rear side of the partition 6. A cord reel chamber (not shown) for accommodating the cord reel 8 for the purpose is partitioned.

  On the front side of the partition wall 6, a dust collection chamber 10 communicating with the suction side of the electric blower 7 is defined through a communication port 9 provided in the partition wall 6, and a dust collection chamber 10 such as a paper pack 11 is collected in the dust collection chamber 10. A dust bag is detachably disposed. In the case of a cyclone vacuum cleaner or the like, a dust collecting device such as a dust collecting cup is detachably disposed.

  The cord reel 8 includes a reel 22 around which the power cord 20 is wound, a reel support 23 that rotatably supports the reel 22 inside the cleaner body 1, and a cord formed on the upper portion of the cleaner body 1. A unit comprising a cord stopper 25 sandwiched between the upper body 4 and the lower body 2 at the outlet portion 24 and having a retaining portion 26 of the plug 21 of the power cord 20 is provided.

  Further, a thick-walled portion 27 having a smooth R shape that protrudes outward is provided on the entire circumference of the retaining portion 26 of the cord stopper 25, and when the power cord 20 is pulled out, the jacket of the power cord 20 and the cord The contact of the stopper 25 with the retaining portion 26 is performed very smoothly by the thick portion 27 having a smooth R shape protruding outward.

The material of the cord stopper 25 is made of polypropylene (PP) resin that has good wear resistance and does not wear in a short period of time. In order to further improve the low friction resistance and wear resistance, You may form with a polyacetal (POM) resin or an ultra high molecular weight polyethylene resin.

  Further, the projected area (length × width) of the reel support 23 is larger than the projected area (diameter × diameter × π / 4) in the diameter direction of the reel 22 in order to reduce the size, weight, and cost. In addition, the vacuum cleaner main body 1 can be provided with a small size, light weight, and low cost.

  Further, a groove portion 28 is provided to be held between the upper main body 4 and the lower main body 2 around the outer peripheral end of the opening portion of the cord stopper 25, and the end portions of the wall surfaces of the upper main body 4 and the lower main body 2 are inserted into the groove portion 28. As a result, the cord stopper 25 can be securely sandwiched and fixed between the upper main body 4 and the lower main body 2 at the cord outlet portion 24.

  Large-diameter traveling wheels 12 for traveling of the cleaner body 1 are rotatably supported on both sides of the lower body 2. In addition, a main body suction port 13 to which a connecting side of a hose body having a floor nozzle and an extension pipe (not shown) is detachably connected is provided in front of the lower main body 2 so as to communicate with the dust collection chamber 10.

  A dust collection chamber lid 3 as a lid is pivotally supported on the upper main body 4 so that the dust collection chamber 10 can be opened and closed. A substantially U-shaped cutout portion 17 is formed at the rear portion of the dust collection chamber lid 3, and rotation shafts 18 are provided on inner walls at both ends of the substantially U-shaped cutout portion 17. 4 is inserted into a shaft support hole 19 formed in the upper part of 4 and is rotatably supported.

  Since both ends of the substantially U-shaped cutout portion 17 are separated and easily bent, the pivot shaft 18 provided on the inner walls of both ends of the substantially U-shaped cutout portion 17 is supported on the upper body 4. The assembling / disassembling work for attaching / detaching to / from the hole 19 can be performed very easily.

  A concave portion 14 is formed at a substantially central portion of the upper portion of the upper main body 4 along a substantially U-shaped cutout portion 17 formed at the rear portion of the dust collection chamber lid 3. Is attached with a handle portion 5 for an operator to hold and lift the cleaner body 1. Further, the rear side of the concave portion 14 is open so that a hand can be easily inserted into the handle portion 5 from the rear side of the cleaner body 1.

  The handle portion 5 is arranged so that both ends of the handle portion 5 are close to the inner walls on both sides of the substantially U-shaped notch portion 17, that is, on the inner walls on both sides of the substantially U-shaped notch portion 17. In other words, the handle portion 5 is disposed in the left-right direction of the substantially central portion of the cleaner body 1 so that the handle portion 5 is bridged toward the other side. And the handle part 5 is located in the upper part of the cord reel 8 for winding up and accommodating the electric blower 7 and the power cord.

  Further, the handle portion 5 is provided with a main body switch 15 for controlling the operation of the electric blower 7 and a winding push button 16 for winding the power cord for controlling the operation of the cord reel 8.

  Further, as described above, the handle portion 5 is disposed in a substantially U-shaped cutout portion 17 formed in the rear portion of the dust collection chamber lid 3, and the rotation shaft 18 of the dust collection chamber lid 3 is A configuration provided behind the position of the handle portion 5, and a rotation center including a rotation shaft 18 and a shaft support hole 19 of the dust collection chamber lid 3 provided in a substantially rear region of the cleaner body 1; Become.

  Therefore, the center of rotation when the dust collection chamber lid 3 is opened and closed is behind the handle portion 5 and the rotation radius can be made larger, so there is no concern that the dust collection chamber lid 3 contacts the handle portion 5. Contact between the dust collection chamber lid 3 and the handle portion 5 when the dust collection chamber lid 3 is opened and closed can be prevented.

  The operation of the vacuum cleaner configured as described above will be described. The electric blower 7 is supplied with power from the power source via the power cord 20, and turns on the body switch 15 that controls the operation of the electric blower 7, thereby removing dust together with air via a hose body having a floor nozzle and an extension pipe (not shown). The sucked and sucked dust is accumulated in the paper pack 11 in the dust collecting chamber 10.

  Here, the reel 22 that winds the power cord 20 around the cord reel 8, the reel support 23 that rotatably supports the reel 22 inside the main body, and the cord outlet 24 formed on the upper portion of the main body. The unit is composed of a cord stopper 25 sandwiched between the main body 4 and the lower main body 2 and having a retaining portion 26 of the plug 21 of the power cord 20.

  As a result, the power cord 20 is first assembled in the reel 22 with the power cord 20 passed from the end opposite to the plug 21 into the cord stopper 25 having the retaining portion 26 of the plug 21, and then the reel 22 is reeled. By putting the built-in cord reel 8 in a unit state on the support 23, it is possible to prevent the clothing of the power cord 20 from being damaged during assembly.

  Since the cord reel 8 is a unit having the cord stopper 25, the plug 21 portion of the power cord 20 is passed through the cord outlet portion 24 of the cleaner body 1 even when the cord reel 8 unit is assembled to the cleaner body 1. There is no need to perform operations such as the above. After the cord reel 8 unit is set in the vacuum cleaner main body 1, the cord stopper 25 can be simply sandwiched between the upper main body 4 and the lower main body 2 at the cord outlet portion 24. Is something that can be done.

  In addition, by providing a thick R-shaped portion 27 having a smooth R shape protruding outward on the entire circumference of the retaining portion 26 of the cord stopper 25, the jacket of the power cord 20 and the cord stopper 25 are pulled out when the power cord 20 is pulled out. Contact with the retaining portion 26 of the power cord is performed very smoothly by the thick-walled portion 27 having a smooth R shape protruding outward, and the outer cover of the power cord 20 and the retaining portion 26 of the cord stopper 25 are marked. It is possible to prevent scraping and wear and to prevent the clothes of the power cord 20 from being damaged.

  The material of the cord stopper 25 is made of polypropylene (PP) resin. As a result, the outer portion of the vacuum cleaner body 1 often uses ABS or PS of a synthetic resin material with an emphasis on the appearance, but the cord outlet 24 is sandwiched between the upper body 4 and the lower body 2 and the power source A cord stopper 25 having a retaining portion 26 for the plug 21 of the cord 20 is also an outer portion of the main body.

  However, ABS and PS of the above synthetic resin materials have good appearance, but have poor wear resistance, and have a problem that they are easily worn by friction with the jacket of the power cord 20 when the power cord 20 is pulled out. ing. By using polypropylene (PP) resin as the material for the cord stopper 25, it looks good like ABS and PS, but unlike materials with low wear resistance, it has good wear resistance and prevents it from wearing in a short period of time. It is possible to prevent the clothing of the power cord 20 that comes into contact from being damaged.

  Further, when the material of the cord stopper 25 is made of polyacetal (POM) resin or ultra high molecular weight polyethylene resin, the appearance is good like ABS and PS, but unlike the material with low wear resistance, the polyacetal ( POM) resin or ultra-high molecular weight polyethylene resin can be used to further improve low friction resistance and wear resistance and prevent wear in a short period of time. It can be prevented.

  In addition, since the projected area (length × width) of the reel support 23 in the vertical and horizontal directions is made smaller than the projected area (diameter × diameter × π / 4) in the diameter direction of the reel 22, the reel support 23 is reduced in size and weight. Therefore, the vacuum cleaner main body 1 can be provided with a small size, a light weight, and a low cost.

  In addition, a groove 28 that is sandwiched between the upper main body 4 and the lower main body 2 is provided on the entire outer periphery of the opening of the cord stopper 25. Thus, by inserting the end portions of the wall surfaces of the upper main body 4 and the lower main body 2 into the groove portion 28, the cord stopper 25 can be securely sandwiched and fixed by the upper main body 4 and the lower main body 2 at the cord outlet portion 24. In addition, the assembly work can be easily performed.

  The handle portion 5 is disposed in a substantially U-shaped cutout portion 17 formed at the rear portion of the dust collection chamber lid 3, and the rotation shaft 18 of the dust collection chamber lid 3 is connected to the handle portion 5. By providing a configuration in which a rotation center including a rotation shaft 18 and a shaft support hole 19 of the dust collection chamber lid 3 is provided in the rear region of the vacuum cleaner body 1 substantially. When the dust collection chamber lid 3 is opened and closed, the center of rotation is behind the handle portion 5 and the rotation radius is larger, so there is no concern that the dust collection chamber lid 3 will come into contact with the handle portion 5 and the dust collection chamber. Contact between the dust collection chamber lid 3 and the handle portion 5 when the lid 3 is opened and closed can be prevented.

  Further, for the same reason, the handle portion 5 can be formed to protrude upward from the upper surface of the upper body 4, and the cleaner body 1 can be easily lifted by forming the handle portion 5 that is easier to grip. Is. Even when the upper body 4, which is the outer shell of the main body below the handle portion 5, is not formed with the recess 14, the upper shell 4 and the handle portion 5 can be formed by projecting the handle portion 5 upward. The vacuum cleaner main body 1 can be easily lifted by forming a handle portion 5 that makes it possible to make a large space between them and make it easier to insert a hand and grip it more easily.

  In the above embodiment, the dust collecting chamber 10 may be provided with a dust collecting device such as a cyclone dust collecting cup instead of the dust collecting bag.

  As described above, the vacuum cleaner according to the present invention is particularly useful for a vacuum cleaner that can be easily assembled without fear of damaging the clothes of the power cord during assembly.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Lower main body 4 Upper main body 7 Electric blower 8 Cord reel 20 Power supply cord 21 Plug 22 Reel 23 Reel support body 24 Cord exit part 25 Code stopper 26 Retaining part 27 Thick part 28 Groove part

Claims (6)

In the vacuum cleaner body that incorporates an electric blower for sucking dust and a cord reel that winds and stores a power cord having a plug at the tip,
A reel that winds up the power cord, a reel support that rotatably supports the reel inside the cleaner body, and a cord stopper having a plug retaining portion of the power cord; Consisting of
An electric vacuum cleaner characterized in that the cord stopper is disposed at a cord outlet portion formed in an upper portion of the vacuum cleaner body by being sandwiched between an upper body and a lower body of the vacuum cleaner body. The vacuum cleaner according to claim 1, wherein a thick wall portion having a smooth R shape protruding outward is provided on the entire circumference of the retaining portion of the cord stopper. The vacuum cleaner according to claim 1 or 2, wherein a projected area in the vertical and horizontal directions of the reel support is smaller than a projected area in the diameter direction of the reel. The vacuum cleaner according to any one of claims 1 to 3, wherein a groove that is sandwiched between the upper body and the lower body of the cleaner body is provided on the entire outer periphery of the opening of the cord stopper. . The vacuum cleaner according to any one of claims 1 to 4, wherein the cord stopper is made of polypropylene (PP) resin. The vacuum cleaner according to any one of claims 1 to 4, wherein a material of the cord stopper is polyacetal (POM) resin or ultrahigh molecular weight polyethylene resin.

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