JPH0662993A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To improve the strength of a handle by a method wherein a hook is provided to retain a rotatable second handle part in a straight condition relative to a first handle part at the upper part of a vacuum cleaner body, a reinforcing member is provided extending from the vacuum cleaner body to the first handle part and the second handle part is also provided with a reinforcing member. CONSTITUTION:A first handle part 6 is formed integrally with the upper part of a vacuum cleaner body, the structure of a handle is made up of the first handle 6 and a second handle part 24 and a pivot part 7 is provided at the upper part of the first handle part 6 to support and freely rotate the second handle part 24 thereon. A rigid synthetic resin-made reinforcing material 9 is provided at the upper part of the vacuum cleaner body and inside the first handle part 6 and a U-shape reinforcing metal fitting 10 is provided inside the first handle part 6. The second handle part 24 is provided with U-shape metal fittings in the left and right cases to reinforce its bent and twisted parts therewith. The second handle part 24 is retained in an extending condition by a hook 20 on a grip part 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of a so-called upright type electric vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, an upright type vacuum cleaner has a problem that it cannot be stored in a closet or the like due to its long handle and tall handle. In order to solve the problem, the handle is formed flexibly and stored. An electric vacuum cleaner with a handle that is sometimes bent to reduce the height so that it can be stored in a closet is disclosed in Japanese Patent Laid-Open No. 57-9430 (A47L 9/32), Japanese Utility Model Laid-Open No. 57-23261.
It was proposed in Japanese Patent Publication (A47L 9/32). However,
There has been a problem that the mechanical strength of the handle is lowered and the handle is easily damaged due to the push-pull force associated with the cleaning operation and the load of the cleaner body.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above drawbacks, and an object of the present invention is to provide an electric vacuum cleaner capable of improving the strength of a handle.

[0004]

The first means of the present invention is to:
A cleaner main body having an electric blower therein and having a dust collection chamber, a suction part provided at a lower part of the cleaner main body, a first handle part provided at an upper part of the cleaner main body, and a pivot of the first handle part. A second handle portion rotatably provided on the support portion;
A hook body for holding the second handle portion in an extended state with respect to the first handle portion, and disposing a reinforcing member from the cleaner body to the first handle portion, and at the same time, providing a reinforcing member to the second handle portion. Is provided.

A second means of the present invention is provided with a built-in electric blower, a cleaner body having a dust collection chamber, a suction portion provided at a lower portion of the cleaner body, and an upper portion of the cleaner body. A first handle portion; a second handle portion rotatably provided on a pivotal support portion of the first handle portion; and a hook body that holds the second handle portion in an extended state with respect to the first handle portion, When the reinforcing member is arranged from the cleaner body to the first handle portion, the reinforcing member is provided on the second handle portion, and when the second handle portion is extended to the first handle portion, The reinforcing member of the first handle portion and the reinforcing member of the second handle portion are brought into contact with each other.

A third means of the present invention is provided with a built-in electric blower, a cleaner main body having a dust collecting chamber, a suction part provided at the bottom of the cleaner main body, and an upper part of the cleaner main body. The first handle portion, the second handle portion pivotally provided on the first handle portion so as to be rotatable toward the rear side of the cleaner body, and the second handle portion extended from the first handle portion. A hook body for holding the reinforcing member on the first handle portion from the cleaner body, the reinforcing member is provided on the second handle portion, and the second handle portion is provided on the first handle portion.
It is characterized in that the reinforcing member of the first handle portion and the reinforcing member of the second handle portion are brought into contact with each other on the front surface side of the cleaner main body when the state is extended with respect to the handle portion.

A fourth means of the present invention is provided with a built-in electric blower, a cleaner body having a dust collecting chamber, a suction portion provided at a lower portion of the cleaner body, and an upper portion of the cleaner body. The first handle portion, the second handle portion pivotally provided on the pivotal support portion of the first handle portion, and the locking hole formed in the pivotal support portion of the second handle portion are detachably engaged with each other. And a hook body for holding the handle portion in an extended state with respect to the first handle portion, the reinforcing member is disposed on the first handle portion, and a guide portion for guiding the hook body is formed on the reinforcing member. Characterize.

A fifth means of the present invention is provided with a built-in electric blower, a cleaner body having a dust collecting chamber, a suction portion provided at a lower portion of the cleaner body, and an upper portion of the cleaner body. The first handle portion, the second handle portion pivotally provided on the pivotal support portion of the first handle portion, and the locking hole formed in the pivotal support portion of the second handle portion are detachably engaged with each other. A hook body for holding the two handle portions in an extended state with respect to the first handle portion, and forming a recess into which the hook body is inserted in the bent state of the second handle portion in the pivotal support portion of the second handle portion. It is characterized by

[0009]

According to the first means of the present invention, the second handle portion is held in the extended state on the first handle portion by the hook body, and the second handle portion is gripped to perform the cleaning operation. At this time, the vacuum cleaner body, the first
Although a force is applied to the handle portion and the second handle portion in the bending direction and the twisting direction, the reinforcing member is provided from the cleaner body to the first handle portion, and the reinforcing member is provided to the second handle portion. As a result, the mechanical strength of the cleaner body, the first handle portion and the second handle portion is improved, and deformation is prevented.

According to the second aspect of the present invention, the second handle portion is held in the extended state by the hook body on the first handle portion, and the second handle portion is gripped to perform the cleaning operation. At this time, the vacuum cleaner body, the first
Although a force is applied to the handle portion and the second handle portion in the bending direction and the twisting direction, the reinforcing member is provided from the cleaner body to the first handle portion, and the reinforcing member is provided to the second handle portion. As a result, the mechanical strength of the cleaner body, the first handle portion and the second handle portion is improved, and deformation is prevented.

Further, although the second handle portion tries to rotate from the extended position by the push and pull operation, since the reinforcing member of the first handle portion and the reinforcing member of the second handle portion are in contact with each other, The rotation of the two handle portions is reliably regulated, and damage to the hook body that holds the extended state of the second handle portion is prevented.

According to the third means of the present invention, the second handle portion is held in the extended state on the first handle portion by the hook body, and the second handle portion is gripped to perform the cleaning operation. At this time, the vacuum cleaner body, the first
Although a force is applied to the handle portion and the second handle portion in the bending direction and the twisting direction, the reinforcing member is provided from the cleaner body to the first handle portion, and the reinforcing member is provided to the second handle portion. As a result, the mechanical strength of the cleaner body, the first handle portion and the second handle portion is improved, and deformation is prevented.

In addition, when the push / pull operation is performed, a force is applied particularly in the direction of rotating the second handle portion toward the front side of the cleaner body during the push operation. Since the reinforcing member of the second handle portion is brought into contact with the second handle portion, the rotation of the second handle portion is surely regulated even if a force is applied in a direction of rotating the second handle portion toward the front surface side of the cleaner body. The damage of the hook body that holds the extended state of the portion is reliably prevented.

According to the fourth means of the present invention, the second handle portion is held by the hook body in the extended state with respect to the first handle portion, and the second handle portion is gripped to perform the cleaning operation. At this time, a large force is applied to the hook body by the push-pull operation accompanying the cleaning operation, but since the guide portion for guiding the hook body is formed on the reinforcing member, the mechanical strength of the hook body is improved and the hook body is The damage of is prevented.

According to the fifth means of the present invention, the second handle portion is held by the hook body in the extended state with respect to the first handle portion, and the second handle portion is gripped to perform the cleaning operation. When not in use, the hook body is disengaged from the locking hole formed in the pivotal support portion of the second handle portion, and the second handle portion is bent so that the height of the second handle portion is lowered, and the second handle portion is stored in the push-in room. .
In this state, the hook body is inserted into the recess formed in the pivotal support portion of the second handle portion, so that the spring for urging the hook body is in a substantially extended state and the spring is contracted for a long period of time. A decrease in biasing force is prevented.

[0016]

An embodiment of the present invention will be described in detail below with reference to the drawings.

Reference numeral 1 denotes a cleaner body, which is composed of a right case 2 and a left case 3, and has a blower chamber (neither is shown) for accommodating a dust collecting chamber and an electric blower therein. Reference numeral 4 is a suction part attached to the lower part of the vacuum cleaner body 1, which is a rotating tube 5
Through the dust collection chamber of the cleaner body 1. Reference numeral 6 is a first handle portion integrally formed on the upper portion of the cleaner body 1, and the first handle portion 6 and a second handle portion 24, which will be described later, constitute a handle, and the second handle portion 24 is rotated on the upper portion. It has a pivot portion 7 that supports it freely. Reference numeral 8 denotes a handle portion that is integrally formed with the cleaner body 1 for carrying the cleaner body 1, and connects the front upper portion of the cleaner body 1 and the pivot portion 7.

Reference numeral 9 denotes a reinforcing member made of synthetic resin having rigidity, which is housed in the upper part of the cleaner body 1 and the first handle portion 6, and 10 is a U-shaped reinforcement housed in the first handle portion 6. With the metal fittings, with the reinforcement material 9 stored in the reinforcement metal fitting 10,
The tubular portion 12 of the reinforcing material 9 is inserted into the boss 11 formed in the portion corresponding to the upper portion of the cleaner body 1 of the right case 2, and is formed in the portion corresponding to the first handle portion 6 of the right case 2. Through holes 14 of the reinforcing material 9 and through holes of the reinforcing metal fitting 10 in the plurality of bosses 13 formed
15 is inserted and temporarily fixed to one boss 13 with a screw 16 through the through hole 15 of the reinforcing metal fitting 10 and the through hole 14 of the reinforcing material 9. Then, the right case 2 and the left case 3 are connected to the boss 11,
The right case 2, the left case 3, the reinforcing material 9, and the reinforcing metal fitting 10 are integrated by screwing through 13. First by the reinforcing member composed of the reinforcing member 9 and the reinforcing metal fitting 10.
The handle portion 6 is reinforced against bending and twisting, and the bending and twisting of the first handle portion 6 relative to the cleaner body 1 is reinforced.

Reference numeral 17 denotes a bent portion formed on the reinforcing metal fitting 11, which is an insertion hole into which an engaging portion 22 of a hook body 20 described later is inserted.
A guide piece 19 for guiding the engaging portion 22 of the hook body 20 is formed in a bent shape at the periphery of the insertion hole 18 while forming the 18.

Reference numeral 20 denotes a hook body disposed on the upper portion of the handle portion 8, which is constantly urged by a spring 21 toward the pivotal support portion 7.
Reference numeral 22 denotes an engaging portion formed on the hook body 20, which is removably engaged with an engaging hole 34 of a pivotal support portion 25 of a second handle portion 24, which will be described later, to hold the second handle portion 24 in an extended state. It is supposed to do. Reference numeral 23 denotes an operating portion formed on the hook body 20, which faces the upper portion of the handle portion 8 through an opening formed in the handle portion 8 and operates the operating portion 23 against the biasing force of the spring 21. Thus, the engagement portion 22 of the hook body 20 is disengaged from the engagement hole 34 of the second handle portion 24.

Reference numeral 24 is a second handle portion having a pivot portion 25 rotatably supported by the pivot portion 7 of the first handle portion 6 at one end, and a grip portion 26 at the other end. The second handle portion 24 is composed of a synthetic resin right case and a left case, and a U-shaped reinforcing metal fitting 27 housed in the right case and the left case. The reinforcing metal fitting 27 bends the second handle portion 24. It is reinforced against twisting. In addition, the pivotal support portion 25 of the second handle portion 24 corresponds to the reinforcing metal fitting 10 of the first handle portion 6.
Of the first handle part 6 and a sleeve 29 inserted into an opening 28 formed in the pivot part 25 of the second handle part 24.
It is rotatably supported by the first handle portion 6 by 30.

Reference numeral 31 denotes the reinforcing metal fitting 27 and the second handle portion 24.
A cut-and-raised piece formed at a position corresponding to the pivotal support portion 25 of the second support portion 24, which protrudes outward from the side surface of the pivotal support portion 25.
In the extended state, the abutment is made on the edge 32 of the reinforcing metal fitting 10 of the first handle portion 6, and the rotation of the second handle portion 24 toward the front side of the cleaner body 1 is restricted. Reference numeral 33 denotes an arcuate slidable contact portion formed on the pivotal support portion 25 of the second handle portion 24, which extends the second handle portion 24, and the cut-and-raised piece 31 is an edge of the reinforcing metal fitting 10 of the first handle portion 6. It has a locking hole 34 with which the engaging portion 22 of the hook body 20 engages in a state of being in contact with 32. 35 is the sliding contact portion
In the recess formed in 33, the engaging portion 22 of the hook body 20 enters the recess 35 while the second handle portion 24 is rotated to the rear side of the cleaner body 1, and the spring 21 is extended. A decrease in the urging force of the spring 21 caused by maintaining the spring 21 in a contracted state for a long period of time is suppressed. Since the recess 35 is connected to the sliding contact portion 33 with a smooth slope, the second handle portion 24
When operating from the bent state to the extended state, hook body 20
It is possible to set the extension state only by rotating the second handle portion 24 without operating, and the operability can be improved.

Reference numeral 36 is a power switch provided on the grip portion 26 of the second handle portion 24, and 37 is a cover attached to the pivot portion 7 of the first handle portion 6 so as to cover the rotary shaft 30. Has become.

Reference numeral 38 denotes a locking portion formed on the back surface of the cleaner main body 1, which holds the grip portion 26 of the second handle portion 24 while the second handle portion 24 is bent and holds the second handle portion 24. It is designed to prevent inadvertent rotation of the.

When cleaning, as shown in FIG. 1, the second handle portion 24 is extended and the engaging portion 22 of the hook body 20 is inserted into the locking hole 34 of the second handle portion 24. Engage. In this state, the grip portion 26 of the second handle portion 24 is gripped, and the push / pull operation is performed to perform cleaning.

At this time, due to the suction force and the friction between the suction portion 4 and the surface to be cleaned, the suction portion 4 is prevented from moving especially during the pushing operation, and the cleaner body 1, the first handle portion 6 and the second handle portion are prevented. A force is applied in the direction in which 24 bends forward. In this state, the engaging portion 22 of the hook body 20 engages with the locking hole 34 of the second handle portion 24, and the cut-and-raised piece 31 of the second handle portion 24 causes the edge of the reinforcing metal fitting 10 of the first handle portion 6. The second handle portion 24 does not rotate to the front side of the cleaner main body 1 because it abuts on 32.

Further, since the pivot portion 7 of the first handle portion 6 and the front side of the cleaner body 1 are connected by the handle portion 8, the strength of the first handle portion 6 can be improved, It is possible to prevent the handle portion 6 from being deformed toward the front side of the cleaner body 1. Further, reinforcing metal fittings 10, 27 having a U-shaped cross section are arranged on the first handle portion 6 and the second handle portion 24, and the reinforcing member 10 is arranged from the upper part of the cleaner body 1 to the first handle portion 6. Since the vacuum cleaner body 1, the first handle portion 6 and the second handle portion 24 are provided with increased strength, they can sufficiently withstand the force applied during the push-pull operation.

When the cleaner body 1 is moved in the lateral direction during the cleaning operation, the cleaner body 1, the first handle portion 6 and the second handle portion 24 are twisted in order to twist the grip portion 26. Although a force is applied, the first handle portion 6 and the second handle portion 24 have reinforcing metal fittings 10 and 27 each having a U-shaped cross section, and the cleaner body 1 is cleaned from the first handle portion 6. Since the reinforcing material 9 is arranged over the upper part of the machine body 1, the strength of the cleaner body 1, the first handle portion 6 and the second handle portion 24 in the twisting direction is improved, and damage can be prevented. it can.

When the vacuum cleaner is not in use, the grip portion 8 is held by one hand, and the hook body 20 is moved to the front side of the cleaner main body 1 against the biasing force of the spring 21 by the hand to engage the engaging portion 22. The engagement with the locking hole 34 is released. And with the other hand, the second handle part
Rotate 24 to the rear side of the cleaner body 1 to move the second handle 24
The gripping part 26 is locked to the locking part 38 formed on the back surface of the cleaner main body 1, and the second handle part 24 is bent, and the height is lowered, and the second handle part 24 is stored in the push-in room or the like.

In the bent state of the second handle portion 24, the engaging portion 22 of the hook body 20 abuts on the sliding contact surface 33 of the second handle portion 24 and is guided to the recess 35 as the second handle portion 24 rotates. To be done. In this state, the spring 21 for urging the hook body 20 toward the pivotally supporting portion 25 can be in an extended state, and a decrease in urging force due to maintaining the spring 21 in a contracted state for a long period of time can be prevented.

Further, since the engaging portion 22 of the hook body 20 is guided by the guide piece 19 formed on the reinforcing metal fitting 10 of the first handle portion 6, even if a large force is applied to the hook body 20,
20 can be firmly held, rattling of engagement between the engaging portion 22 of the hook body 20 and the locking hole 34 can be reduced, and the second handle portion 24 can be reliably extended. Can be held.

In this embodiment, the reinforcing member 9 and the reinforcing metal fitting 10 are provided as the reinforcing members for reinforcing the first handle portion 6. However, the reinforcing metal fitting 10 is formed in an L shape, and this reinforcing metal fitting is formed.
The reinforcing member may be eliminated by fixing 10 to the first handle portion 6 and the upper part of the cleaner body 1.

[0033]

According to the constitution of claim 1 of the present invention, the first
It is possible to improve the strength of the handle and the cleaner body that are composed of the handle portion and the second handle portion, and to prevent the cleaner body and the handle from being deformed by the force or the like associated with the cleaning operation. Play.

According to the structure of claim 2 of the present invention, the strength of the handle composed of the first handle part and the second handle part and the cleaner body can be improved, and the cleaning can be performed by the force accompanying the cleaning operation. It is possible to prevent the machine body and the handle from being deformed, to reliably regulate the rotation of the second handle portion, and to prevent the hook body from being damaged.

According to the structure of claim 3 of the present invention, the strength of the handle composed of the first handle part and the second handle part and the cleaner body can be improved, and cleaning can be performed by the force and the like accompanying the cleaning operation. It is possible to prevent the machine body and the handle from being deformed, and it is possible to reliably regulate the rotation of the second handle portion toward the front surface of the cleaner body, and it is possible to reliably prevent the hook body from being damaged. And so on.

According to the structure of claim 4 of the present invention, the strength of the hook body for restricting the extension state of the second handle portion can be improved, and the damage of the hook body can be surely prevented. Produce an effect.

According to the structure of claim 5 of the present invention, the spring for urging the hook body can be substantially extended when the second handle portion is in a bent state, so that the spring urging force is prevented from decreasing and the spring force is prevented from increasing. There is an effect that a stable usage state can be maintained over the entire period.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of essential parts showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of an essential part showing the handle in an extended state.

FIG. 3 is an enlarged cross-sectional view of a main part when the handle is extended and viewed from another direction.

FIG. 4 is an enlarged sectional view of an essential part showing a bent state of the handle.

FIG. 5 is a side view showing the same usage state.

FIG. 6 is a side view showing the extended state of the handle.

FIG. 7 is a front view showing the handle extended state.

FIG. 8 is a side view showing a bent state of the handle.

[Explanation of symbols]

 1 Vacuum cleaner body 4 Suction part 6 1st handle part 7 Pivot part 8 Grip part 9 Reinforcement material 10 Reinforcing metal fitting 20 Hook body 21 Spring 22 Engagement part 24 Second handle part 25 Pivoting part 27 Reinforcing metal fitting 30 Rotating shaft 31 Cut and raised Piece 32 Edge

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidetoshi Fukuoka 2-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Sadao Fukushima 2-18-2 Keihanhondori, Moriguchi-shi, Osaka Sanyo Denki Incorporated (72) Inventor Isao Yoneda 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd.

Claims (5)

[Claims] 1. A cleaner main body having a built-in electric blower and having a dust collection chamber, a suction portion provided at a lower portion of the cleaner main body, and a first handle portion provided at an upper portion of the cleaner main body. A second handle part rotatably provided on a pivotal support part of the first handle part, and a hook body for holding the second handle part in an extended state with respect to the first handle part. An electric vacuum cleaner characterized in that a reinforcing member is arranged from the main body to the first handle portion, and a reinforcing member is provided on the second handle portion. 2. A cleaner main body having a built-in electric blower and having a dust collection chamber, a suction portion provided at a lower portion of the cleaner main body, and a first handle portion provided at an upper portion of the cleaner main body. A second handle part rotatably provided on a pivotal support part of the first handle part, and a hook body for holding the second handle part in an extended state with respect to the first handle part. A reinforcing member is arranged from the main body to the first handle portion, and a reinforcing member is provided on the second handle portion,
When the second handle portion is extended from the first handle portion, the reinforcing member of the first handle portion and the reinforcing member of the second handle portion are brought into contact with each other on the front surface side of the cleaner body. Vacuum cleaner to do. 3. A cleaner body having a built-in electric blower and having a dust collection chamber, a suction section provided at a lower portion of the cleaner body, and a first handle section provided at an upper portion of the cleaner body. A second handle portion rotatably provided on the pivot portion of the first handle portion toward the rear side of the cleaner body,
A hook body for holding the second handle portion in an extended state with respect to the first handle portion, a reinforcing member is provided from the cleaner body to the first handle portion, and the second handle portion is provided.
A reinforcing member is provided on the handle portion, and when the second handle portion is extended from the first handle portion, the reinforcing member of the first handle portion and the reinforcing member of the second handle portion are brought into contact with each other. A characteristic vacuum cleaner. 4. A cleaner main body having a built-in electric blower and having a dust collection chamber, a suction portion provided at a lower portion of the cleaner main body, and a first handle portion provided at an upper portion of the cleaner main body. A second handle portion rotatably provided on the pivotal support portion of the first handle portion, and a second handle portion releasably engaged with a locking hole formed in the pivotal support portion of the second handle portion. And a hook body for holding the hook body in an extended state with respect to the first handle portion, the first handle portion is provided with a reinforcing member, and the reinforcing member is formed with a guide portion for guiding the hook body. And vacuum cleaner. 5. A cleaner body having a built-in electric blower and having a dust collecting chamber, a suction section provided at a lower portion of the cleaner body, and a first handle section provided at an upper portion of the cleaner body. A second handle portion rotatably provided on the pivotal support portion of the first handle portion, and a second handle portion releasably engaged with a locking hole formed in the pivotal support portion of the second handle portion. A hook body for holding the hook body in an extended state with respect to the first handle portion, and a recess into which the hook body is inserted in the bent state of the second handle portion is formed in the pivotal support portion of the second handle portion. A characteristic vacuum cleaner.