KR100191439B1 - An electric vacuum cleaner - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to an electric vacuum cleaner having a lid body for freely opening and closing the dust collecting chamber and a handle free of rotation.

2. The technical problem to be solved by the invention

Since the support shaft protrudes from the main body case in the above-described vacuum cleaner, a pinch hole is formed below the support shaft of the main body case to form a mold construction steel support shaft, and the pinch hole is closed to prevent air leakage of the pinch hole. The countermeasures, such as bonding the molten member, were necessary, and thus, without the complicated configuration of the main body case, the lid and the handle can be supported without the pinch hole, thereby providing an electric vacuum cleaner that is effective in assembly and reducing the number of parts.

3. Summary of Solution to Invention

It is formed in the arm 19 of the lid body which closes a dust collecting chamber between the main body case which installed the dust collection chamber which opened the upper surface, and the cover body 14 which closes the control board storage part 10 of the upper surface of a main body case. An electric vacuum cleaner in which a support shaft (20) is freely rotated, and at the same time, the support shaft (20) is freely rotatably engaged with a bore support hole (23) formed in the handle (21).

4. Important uses of the invention

The present invention is a support shaft formed in the lid body to support the shaft and the handle to the body case freely to rotate freely, it is not necessary to form a pinch hole in the main body case, thus eliminating the need for the pinch hole closing member and shaft support configuration It can be simplified.

In addition, the support shaft can be supported between the main body case and the cover body to improve the assembly workability and reduce the number of parts.

Description

Vacuum cleaner

The present invention relates to a vacuum cleaner having a cover and a rotatable carrying handle to seal the dust collection chamber to open and close.

Conventionally, an electric vacuum cleaner for supporting a cover for sealing a dust collecting chamber to a main body case in which a dust collecting chamber having an open upper surface is rotatably rotated, and for supporting the carrying handle to be rotated to a cleaner main body composed of the main body case and the cover. For example, it is known from Japanese Utility Model Publication No. Hei-15901 (A47L 9/32).

The configuration described in this publication is supported by a support shaft protruding from the main body case so that the axial support hole formed in the extension of the cover can be rotated, and at the same time as the support shaft protruding from the cover extension in the same direction as the support shaft of the main body case. It is configured to be supported so that the shaft support hole of the carrying handle can be rotated.

In this configuration, however, since the support shaft protrudes from the main body case, a drill hole is formed at a position below the support shaft of the main body case in order to form the support shaft on the mold structure, and to prevent air leakage from such a drill hole, Measures such as sticking a member for sealing the drill hole are necessary, and there are problems such as poor assembly workability and an increase in the number of parts.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an electric vacuum cleaner obtained by supporting a cover and a carrying handle without complicated configuration of the main body case.

1 is a cross-sectional view of main parts of the vacuum cleaner according to the first embodiment of the present invention.

2 is a side view of the lid of the vacuum cleaner shown in FIG.

3 is a top view of the cover.

4 is a top view of the upper case of the vacuum cleaner shown in FIG.

5 is a top view of the housing cover of the vacuum cleaner shown in FIG.

6 is a longitudinal sectional view of the cleaner body of the vacuum cleaner shown in FIG.

7 is a cross-sectional view of the cleaner body of the vacuum cleaner shown in FIG.

8 is an enlarged cross-sectional view of the main portion of the cleaner body.

9 is a side view of the triac and heat sink in FIG.

10 is a side view of the cleaner body.

11 is a top view of the cleaner body.

12 is a cross-sectional view of main parts of another embodiment of the present invention.

13 is a side view of the lid of another embodiment shown in FIG.

14 is a top view of the cover.

15 is a cross-sectional view of the carrying handle.

* Explanation of symbols for main parts of the drawings

1: lower case 3: dust collecting chamber

4: upper case 6: electric blower

10: storage unit 11: partition wall

12, 17: shaft support 14: housing cover

16: partition plate 18: cover

19: extension part 20,27: support shaft

21: carrying handle 22: swing support

23, 29: turning support hole 24: control board

28: extension

The vacuum cleaner according to claim 1 of the present invention has a dust collecting chamber having an open upper surface at the front and a main body case having an electric blower built in the rear, and is supported to be rotated in the main body case and sealed to open and close the dust collecting chamber. And a carrying handle supported so as to be rotatable with respect to the cleaner body made up of the main body case and the cover; an extension extending into the main body case is formed on the cover and rotates on an axial support formed on the main body case. The support shaft is supported so that the end is protruded to the outside of the main body case is formed in the extension portion, the carrying handle is characterized in that the shaft support hole is coupled to the end of the support shaft is formed.

The vacuum cleaner according to claim 2 of the present invention has a dust collecting chamber having an upper surface at the front and a main body case having an electric blower built in the rear, and is supported to be rotated in the main body case and sealed to open and close the dust collecting chamber. And a carrying handle supported so as to be rotated with respect to the cleaner body including the main body case and the cover, wherein a housing portion of a control circuit for controlling an electric blower is formed in the main body case, and the housing portion covers the housing portion. And an extension extending into the space enclosed by the body case and the accommodating lid, the lid being formed and supported so as to be rotated between the body case and the accommodating lid, and the end of which is closed. A support shaft protruding outward from the space surrounded by the cover is formed in the extension portion And, the support shaft supporting the shaft end that is coupled with the ball being formed on the carrying handle.

The vacuum cleaner according to claim 4 of the present invention has a dust collecting chamber having an open upper surface at the front and a main body case having an electric blower built in the rear, and is supported to be rotated on an upper surface of the main body case, so as to open and close the dust collecting chamber. And a carrying handle disposed on an outer side of the housing cover, the carrying handle being rotatably supported with respect to the cleaner body consisting of the main body case and the cover, the lid being sealed and the top of the main body case being closed. An extension extending into the space surrounded by the main body case and the housing cover is formed in the cover, and is supported so as to be rotated between the main body case and the fraud housing cover, and an end portion thereof is rotated between the main body case and the housing cover. To the space which is supported so that the end is surrounded by the body case and the housing lid. Emitter support shaft protruding to the outside is formed in the extended portion, the support shaft of the support shaft end coupled to the ball characterized in that formed in the carrying handle.

The vacuum cleaner according to claim 4 of the present invention has a dust collecting chamber having an upper surface open in front, and a main body case in which an electric blower is built in the rear, and is supported to be rotated on an upper surface of the main body case and can open and close the dust collecting chamber. A cover for sealing so that it can be rotated with respect to the cleaner body made of the main body case and the cover; An extension extending into the space surrounded by the main body case and the housing cover is formed in the cover, and is supported to be rotatable in the main body case while the non-circular extension protrudes outward from the space surrounded by the main body case and the housing cover. The support shaft is formed in the extension portion, characterized in that the non-circular shaft support hole is inserted into the carrying handle is inserted into the expansion portion of the support shaft in a state that the carrying handle is rotated by a predetermined angle.

According to the first embodiment, the lid supports the support shaft so as to be rotatable on the shaft support formed in the main body case, and supports the carrying handle on the support shaft so as to be rotatable.

According to the second embodiment, the lid supports the support shaft so as to be rotatable between the main body case and the accommodating lid and simultaneously supports the carrying handle on the support shaft.

According to the third embodiment, the lid supports the central portion of the support shaft so as to be rotated between the main body case and the accommodating lid, and supports the carrying handle on the tip side of the support shaft so as to be rotatable.

According to the fourth embodiment, the cover supports the central portion of the support shaft so as to be rotatable on the shaft support formed in the main body case, and the support shaft is coupled to the shaft support hole of the transport handle while the carrying handle is rotated by a predetermined angle. Support the carrying handle to rotate.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to FIGS. 1 to 11.

Reference numeral 1 denotes a lower case, the inside of which is partitioned back and forth by the partition wall 2, and the front space becomes the dust collecting chamber 3. Reference numeral 4 is an upper case covering the rear space of the lower case 1, and the main body case is constituted by the lower case 1, the upper case 4, and the housing cover 14 described later. Reference numeral 5 denotes a partition wall for partitioning the space surrounded by the lower case 1 and the upper case 4 from side to side, one side of the blower chamber 7 for storing the electric blower 6, and the other side to the cord reel. It divides into the cord reel chamber 9 which accommodates (8).

Reference numeral 10 denotes an accommodating portion formed at a central portion of the upper surface of the upper case 4, in which a control board 24 (described below) is accommodated in the electric blower 6. Reference numeral 11 is a U-shaped planar partition wall formed on both sides of the front side of the housing 10. As shown in FIG. 1, the upper and front surfaces of the housing 10 are opened, and a lid ( A semicircular shaft support portion 12 that supports the support shaft 20 formed in the extension portion 19 of 18 is formed on the outer side of the partition wall 11. Reference numeral 13 is an upright wall formed from the outside of the partition wall 11 toward the storage portion 10, as shown in FIG. 4, and the upright wall 13, the partition wall 11, and the storage portion 10 are shown. The space surrounded by the ship support portion 22 of the carrying handle 21 is a space that can be rotated.

The accommodating lid 14 covers the accommodating portion 10 and has an accommodating groove 15 in which a carrying handle 21 is accommodated, as shown in FIG. 1. Reference numeral 16 is a U-shaped flat partition plate formed on the lower surface of the accommodating lid 14 corresponding to the partition wall 11, and an axial support portion formed on the partition wall 11 of the upper case 4 on the outside thereof. The semicircular shaft support part 17 which supports the support shaft 20 formed in the extension part 19 of the cover 18 is formed between (12).

The cover 18 seals the dust collecting chamber 3, and the cleaner body is configured by the body case and the cover 18. The lid 18 is provided with a pair of approximately L-shaped extensions 19 facing rearward, as shown in FIG. 3, which extensions 19 are partition walls 11 of the upper case 4. Support shafts 20 rotatably supported between the shaft support portions 12 formed on the shaft support portions 17 formed on the partition plate 16 of the housing cover 14 are formed to face outwards, respectively. As shown in FIG. 1, the end face of each support shaft 20 is rotated to a position in which the cover 18 seals the dust collecting chamber 3, and the distance between the end faces gradually increases as the cover 18 is turned upward. An inclined surface that is narrowed is formed.

As shown in FIG. 10, the carrying handle 21 for use when carrying the vacuum cleaner is provided with turning supports 22 on both sides, and the turning support 22 is formed with a turning support hole 23. The support shaft 20 of the cover 18 is coupled to the pivot support hole 23, and may be rotated with respect to the main body case. In the state illustrated in FIG. 10, the carrying handle 21 may include a housing cover ( It is accommodated in the receiving groove 15 formed in the 14. As shown in FIG. 10, the inclined surface is formed such that the distance between the inner walls is gradually increased downward as shown in FIG. 10 while the inner wall carrying handle 21 of the pivot support 22 is shown in FIG.

The control board 24 is housed in the housing section 10 as described above, and triac 25 (Triac, bi-directional three-terminal thyristor of General Electric Corporation) is housed in the housing section 10, FIG. As shown in the figure, it is fixed to the heat dissipation tube 26 formed in an approximately L shape. The heat dissipation tube 26 is fixed to the short side abnormality case 4 as shown in FIGS. 6 and 8, while the long side is fixed to the triac 25, and the long side of the upper case 4 is fixed. It penetrates and is located on the suction side of the electric blower 6 in the main body case. Since the triac 25 is fixed to the long wall of the heat dissipation tube 26 and the long side is in contact with the main body case, the triac 25 is fixed in comparison with the conventional method of fixing the triac 25 to the short side of the heat sink 26. ) And the heat dissipation position of the heat dissipation plate 26 are shortened, and the heat dissipation effect of the triac 25 is improved.

Next, the installation of the lid 18 and the carrying handle 21 to the main body case will be described. The cover 18 is covered on the lower case 1 so as to seal the dust collecting chamber 3 as shown in FIG. 6, and the support shaft 20 formed on the extension 19 of the cover 18 has an upper case. The kamak of (4) is located in the axial support 12 formed in the wall 11. And the accommodating part cover 14 is mounted in the position which covers the accommodating part 10 of the upper case 4, and the accommodating part cover 14 is fixed to the upper case 4. As shown in FIG. Next, the carrying handle 21 is pressed in the direction to be stored in the receiving groove 15 in the state of being laid down. By the pressing of the carrying handle 21, the pivot support part 22 deforms in the mutually falling direction, and the inner wall and the outer wall deform in a direction close to each other, and the support shaft 20 of the extension part 19 As shown in FIG. 1, it is coupled to the pivot support hole 23 of the carrying handle 21.

When carrying the cleaner body, the carrying handle 21 is rotated to stand, and the carrying handle 21 is gripped to carry the cleaner body. Since the support shaft 20 of the extension portion 19 of the cover 18 is formed longer in the side as shown in Fig. 1, even when carrying the cleaner body by holding the carrying handle 21, The pivot support 22 of the carrying handle 21 is prevented from falling out of the support shaft 20.

Another embodiment of the present invention will be described in detail with reference to FIGS. 12 to 15. In addition, the same components as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

Reference numeral 27 is a support shaft formed in the extension portion 19 of the cover 18, and a small coin-shaped expansion portion 28 is formed at the tip, and the expansion portion 28 can be seen from the side view of FIG. In the state in which the cover 18 is placed in the horizontal direction, both side portions are cut in a substantially vertical direction to form a narrow width portion having a width approximately equal to the diameter of the support shaft 27, and at the same time, larger than the diameter of the support shaft 27 up and down. It has a wide part of width.

Reference numeral 29 is a pivot support hole formed inside the pivot support portion 22 of the carrying handle 21 and is formed in a small coin shape having the same shape as the support shaft 27 of the lid 18. Reference numeral 30 is a guide portion formed at an outer periphery of the pivot support hole 29 and opened at the bottom thereof, when the pivot support hole 29 of the carrying handle 21 is mounted on the support shaft 27 of the cover 18. The guide shaft 27 is guided to the pivot support hole 29 (see FIG. 15).

The carrying handle 21 is pressed in the direction in which the carrying handle 21 is received in the receiving groove 15 in the state of being laid down. When the carrying handle 21 is pressed, the extended portion 28 formed at the tip of the supporting shaft 27 is guided by the guide portion 3 of the carrying handle 21, and the pivot supporting portions 22 are separated from each other. Direction and at the same time, the inner wall and the outer wall are deformed in a direction close to each other, so that the support shaft 27 of the extension portion 19 is inserted into the pivot support hole 29 of the carrying handle 21.

In such a configuration, when the carrying handle 21 stands up, the wide portion of the extended portion 28 of the support shaft 27 is reliably prevented from being pulled out of the pivot support hole 29.

According to the configuration of claim 1 of the present invention, since the cover and the carrying handle are supported by the support shaft formed in the cover so as to be rotated in the main body case, it is possible to remove the drill hole from the main body case, and to seal the drill ball. The member is not required, and there is an effect that the shaft support structure can be simplified.

According to the configuration of claim 2 of the present invention, since the cover and the carrying handle are supported by the support shaft formed on the cover so as to be rotated in the main body case, it is possible to remove the drill hole from the main body case, and to seal the drill ball. The member can be eliminated and the shaft support structure can be simplified. In addition, by mounting the housing cover to the main body case, the support shaft has an effect that the main body case can be supported between the housing cover, the assembly workability can be improved.

According to the configuration of claim 3 of the present invention, since the cover and the carrying handle are supported by the support shaft formed on the cover so as to be rotated in the main body case, the drill hole can be removed from the main body case, and the seal for sealing the drill ball. The member can be eliminated and the shaft support structure can be simplified. In addition, by attaching the housing cover to the body case, the support shaft can be supported between the body case and the housing cover, and the assembly workability can be improved, while the intermediate portion on the cover side and the carrying handle side of the support shaft Since it is supported between the chase and the accommodating lid, the distance from the shaft supporting portion to the lid side and the carrying handle shaft supporting portion can be shortened, whereby the strength of the supporting shaft can be improved.

According to the configuration of claim 4 of the present invention, since the cover and the carrying handle are supported by the support shaft formed on the cover so as to be rotated in the main body case, it is possible to remove the drill hole from the main body case, and to seal the drill ball. The member can be eliminated and the shaft support structure can be simplified. In addition, by attaching the housing cover to the main body case, the support shaft can be supported between the main body case and the housing cover, the assembly workability can be improved, and at the same time the leading end of the support shaft is formed in a non-circular shape, Since the shaft support hole is formed in a shape in which the support shaft of the cover is engaged in a state in which the carrying handle is rotated by a predetermined angle, the carrying handle is removed from the cleaner body by setting the predetermined angle to an angle other than the rising angle of the carrying handle. This has the effect to be prevented.

Claims (4)

A main body case having a dust collecting chamber having an open upper surface in the front and having an electric blower built in the rear, a cover which is supported to be rotated in the main body case and sealed to open and close the dust collecting chamber, and the main body case and the cover A carrying handle supported to be rotatable relative to the cleaner body; An extension portion extending into the main body case is formed on the cover, and a support shaft is formed on the extension portion while being supported so as to be rotatable on an axial support portion formed on the main body case and an end protruding out of the main body case. The vacuum cleaner, characterized in that the shaft support hole is coupled to the end of the support shaft is formed. A main body case having a dust collecting chamber having an open upper surface in the front and having an electric blower built in the rear, a cover which is supported to be rotated in the main body case and sealed to open and close the dust collecting chamber, and the main body case and the cover And a carrying handle supported to be rotatable relative to the cleaner body: an accommodating portion of a control circuit for controlling the electric blower is formed in the main body case, and the accommodating portion is sealed with an accommodating lid, and at the same time, the main case and the accommodating lid An extension part is formed in the cover, the extension extending into the space enclosed by the main body and being rotatably supported between the main body case and the accommodating lid, while the end protrudes outward from the space enclosed by the main body casing and the accommodating lid. A support shaft is formed in the extension portion, the end of the support shaft is coupled The electric vacuum cleaner, characterized in that formed on the carrying handle of the support hole. A main body case having a dust collecting chamber having an open upper surface in the front and the electric blower built in the rear, and being supported to be rotated in a groove formed in the upper surface of the main body case, and a cover for sealing the dust collecting chamber to be opened and closed; A carrying handle disposed on an outer side of the accommodating cover to seal an upper surface of the main body case and a carrying handle supported to be rotatable with respect to the cleaner body made of the main body case; An extension extending into the space surrounded by the main body case and the housing cover is formed in the cover, and is supported so as to be rotated between the main body case and the housing cover, and the end is surrounded by the main body case and the housing cover. And a support shaft protruding outward from the space is formed in the extension portion, and a shaft support hole in which an end of the support shaft is coupled is formed in the carrying handle. A main body case having a dust collecting chamber having an open upper surface in front and built into the rear of the electric blower, a cover which is rotatably supported on an upper surface of the main body case and which seals the dust collecting chamber to be opened and closed, and the main body case and the cover A carrying handle supported to be rotatable relative to the cleaner body; An extension extending into the space surrounded by the main body case and the housing cover is formed in the cover, and is supported to be rotatable in the main body case while the non-circular extension protrudes outward from the space surrounded by the main body case and the housing cover. The support shaft is formed in the extension portion, the vacuum cleaner characterized in that the non-circular shaft support hole is formed in the carrying handle is inserted in the expansion portion of the support shaft in the state that the carrying handle is rotated by the small angle.