JP6302648B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner.

As a vacuum cleaner, a vacuum cleaner with a built-in cord reel in the main body of the vacuum cleaner is generally used. However, a vacuum cleaner in which a battery is detachably attached has also been proposed.
In this regard, Patent Document 1 discloses a vacuum cleaner body in which a lower case with a built-in dust collection chamber and an upper case with a built-in electric blower are detachably connected by a clamp, and connected to the vacuum cleaner body. A vacuum cleaner that includes a dust collecting hose and a battery pack that is detachably stored in the battery storage chamber of the upper case, and that can be easily replaced by pulling the battery pack in the battery storage chamber upward. Has been.

  In the electric vacuum cleaner of Patent Document 1, first and second contacts on the main body side that are electrically connected to the electric blower are provided on the bottom surface of the battery storage chamber. On the other hand, the first and second contacts on the battery side are also provided on the lower surface of the battery pack. By storing the battery pack in the battery storage chamber, the first contacts are electrically connected and the second contacts are Connect electrically.

Japanese Patent Laid-Open No. 2003-235772

  The electric vacuum cleaner of Patent Document 1 has a structure in which the first and second contacts on the main body side are fixed at predetermined positions on the bottom surface in the battery storage chamber. Therefore, when another battery with different specifications is to be applied to the battery storage chamber, it is necessary to change the structure of the battery storage chamber to match the shape and size of the battery and the positions of the first and second contacts on the battery side. There is. If it does so, it will be necessary to newly manufacture the upper case (casing) which comprises a battery storage chamber, and the manufacturing cost of a vacuum cleaner will increase.

  This invention is made | formed in view of such a subject, and it aims at providing the vacuum cleaner which can apply multiple types of battery, without changing the structure of a housing | casing.

Thus, according to the present invention, an electric blower and a vacuum cleaner main body having a housing that houses the electric blower, and a suction hose connected to the front portion of the housing,
A battery holder to which a battery for supplying electric power to the electric blower is detachably attached to the rear part of the housing is provided ,
The housing has a battery holder mounting recess in the rear portion that opens rearward and upward,
The battery holder has a front wall and left and right side walls facing the back and left and right sides of the battery holder mounting recess,
The battery has a locking recess on the front surface,
The battery holder mounting recess of the housing is provided with a locking mechanism including a locking claw that is detachably locked to the locking recess of the battery,
The battery holder is provided with a vacuum cleaner having an opening through which the locking claw is inserted .

According to the vacuum cleaner of this invention, a housing | casing and a battery holder can be produced separately. Therefore, according to the specifications of the battery that uses the battery holder (for example, the left and right width of the battery, the position of the positive and negative electrode terminals, etc.) By making the battery holder, it is possible to avoid a structural change of the casing as a relatively large part. As a result, it is possible to provide a vacuum cleaner that can handle a plurality of types of batteries having different specifications while suppressing an increase in manufacturing cost.
In addition, it is difficult to increase the dimensional accuracy of the housing as a relatively large component, and there is a problem that satisfies strict manufacturing conditions in order to secure the mounting strength of the battery. However, this problem is solved by providing a battery holder. can do.
Further, when a battery that is thick in the front-rear direction is attached to the battery holder, the protruding dimension of the battery from the rear part of the housing can be kept small, and the cleaner body can be made compact.
Moreover, even if the main body of the vacuum cleaner falls during cleaning by the electric vacuum cleaner, it is possible to prevent the battery from dropping from the battery holder unexpectedly. Moreover, the structure of the various batteries to be used can be simplified by providing the locking mechanism on the cleaner body side.

It is an external appearance perspective view of the vacuum cleaner which concerns on Embodiment 1 of this invention. It is a front view of the cleaner body in the electric vacuum cleaner of Embodiment 1. It is a perspective view of the cleaner body in Embodiment 1. It is a perspective view which shows the state which removed the battery from the cleaner body in Embodiment 1. FIG. It is a sectional side view of the cleaner body in Embodiment 1. It is a perspective view of the battery holder provided in the rear part of the cleaner body in Embodiment 1. It is an external appearance perspective view of the dust collection unit with which the cleaner body of Embodiment 1 is equipped. It is a longitudinal cross-sectional view of the dust collection unit shown in FIG. It is explanatory drawing which shows the flow path of the airflow in the cleaner body of Embodiment 1. It is a perspective view of the cleaner body in the electric vacuum cleaner of Embodiment 2. It is a perspective view which shows the accommodation state when the battery of the vacuum cleaner of Embodiment 2 is removed. It is a perspective view of the vacuum cleaner main body in the electric vacuum cleaner of Embodiment 3.

  Hereinafter, the present invention will be described in more detail with reference to the drawings. In addition, the following description is an illustration in all the points, Comprising: It should not be interpreted as limiting this invention.

(Embodiment 1)

  1 is an external perspective view of a vacuum cleaner according to Embodiment 1 of the present invention, FIG. 2 is a front view of a cleaner body in the vacuum cleaner of Embodiment 1, and FIG. 3 is a cleaner according to Embodiment 1. It is a perspective view of a main body. 4 is a perspective view showing a state where the battery is removed from the cleaner body in the first embodiment, FIG. 5 is a side sectional view of the cleaner body in the first embodiment, and FIG. 6 is a cleaning in the first embodiment. It is a perspective view of the battery holder provided in the rear part of the machine body.

  As shown in these drawings, the electric vacuum cleaner 1 includes an electric blower 106, a dust collecting unit 500, a vacuum cleaner body 100 </ b> A having a housing 101 that accommodates them, a suction hose 300, and a battery that drives the electric blower 106. B.

[Suction hose]
The suction hose 300 includes a suction hose 301, an extension pipe 302, a suction port 303 connected to the tip of the extension pipe 302, a hand handle 304, an operation part 305 attached to the hand handle 304, and a connection part 306. Is provided.

The suction hose 301 is detachably connected to the front of the cleaner main body 100A via the connecting portion 306, and the user contacts the floor G with the suction port body 303 at the tip of the extension pipe 302 while holding the hand handle 304 by hand. Can be moved.
The suction port body 303 has a suction port on the bottom surface and a rotating brush on the suction port. Note that a brush drive motor may be provided in the suction port 303 to rotate the rotating brush. In this case, the battery B also supplies power to the brush drive motor.

Further, the suction port body 303 is provided with a hook member 303 a _{1 at} a connecting pipe portion 303 a with the extension pipe 302. The hook member 301a ₁ is a component that engages with a hook receiving member 111 provided on the outer surface of the connection portion 306 of the cleaner body 100A, for example. A hook receiving member 111 of the cleaner body 100A battery B is mounted by engaging the hook member 303a ₁ of the suction hose 300, it can be supported in a state of leaning against the suction hose 300 to the cleaner body 100A .

When the battery B is removed from the cleaner body 100A, the center of gravity of the cleaner body 100A moves forward. Therefore, the cleaner will fall down and engages the hook member 303a ₁ of the suction hose 300 to the hook receiving member 111 disposed on the front of the main body 100A to be trying Tatekakeyo the suction hose 300, thereby receiving the hook members 111 and There is a possibility that the hook member 303a ₁ may be damaged, or the cleaner body 100A, the operation unit 305, and the like may be broken. However, this problem is solved in Embodiment 2 described later.

[Vacuum cleaner body]
The vacuum cleaner main body 100 </ b> A includes the housing 101 made of a plurality of members, and is connected to the suction hose 301 and collects dust by a swirling airflow, and the suction hose 301 disposed in front of the dust collection unit 500. The electric blower 106 that sucks air from the dust collecting unit 500, the battery B for supplying electric power to the electric blower 106, and circuit boards K ₁ and K ₂ electrically connected to the electric blower 106. Are provided inside the housing 101.

  Further, the vacuum cleaner main body 100A includes a pair of large ring-shaped wheels 140 disposed on the left and right side surfaces of the housing 101, a small roller-shaped front wheel 117 disposed in the lower front portion of the housing 101, and a housing. 101, and a free wheel 118 that is a rotatable and turnable caster as a rear wheel, which is disposed at the lower rear portion of 101.

  The universal wheel 118 includes a wheel 118 a and a disk-shaped universal frame 118 b that rotatably holds the wheel 118 a, and is pivotally attached to the bottom wall of the housing 101. The bottom wall is formed with a circular recess having a central hole for pivotally attaching the free frame 118b of the free wheel 118 by bolt / nut coupling.

  In the electric vacuum cleaner 1, when the user moves while holding the hand handle 304 by hand, the vacuum cleaner main body 100 </ b> A can follow the operation. In the state where the vacuum cleaner main body 100A is grounded so as to be able to travel on the floor G, the front is the direction in which the vacuum cleaner main body 100A is advanced, the rear is the direction in which the vacuum cleaner main body 100A is moved backward, Is the direction opposite to the floor surface G, the downward direction is the direction on the floor surface G side, and the left-right direction is a direction orthogonal to both sides with respect to the front-rear direction.

  The vacuum cleaner main body 100A is supported by the pair of wheels 140 and the rear wheel 118 in the free state shown in FIG. 5, and the pair of wheels 140 and the front wheel 117 in the state pulled forward by the suction hose 301 shown in FIG. Supported by. That is, the front wheel 117 is lifted from the floor surface G in the free state, and the free wheel 118 is lifted from the floor surface G in the state shown in FIG. That is, the center of gravity position of the cleaner body 100A is set so as to be in such a state. In this way, the step-over performance can be improved while suppressing the front side lifting of the cleaner body 100A.

Further, as shown in FIGS. 2 and 9, a connection portion 306 of the suction hose 300 is inserted into the front surface side of the cleaner body 100 </ b> A so as to be connected to the horizontal relay duct 104 a via packing (not shown). An opening 107a and a terminal portion 107b for connecting a terminal (not shown) of the connecting portion 306 to the cleaner body 100A are provided. The circuit boards K ₁ and K _{2 of} the vacuum cleaner main body 100A and the operation part 305 (see FIG. 1) of the suction hose 300 are connected by wiring via the terminal of the connection part 306 of the suction hose 300 and the terminal part 107b. Is done.

  The vacuum cleaner main body 100 </ b> A sucks dust on the floor G together with air from the suction port 303 to the dust collection unit 500 through the extension pipe 302 and the suction hose 301. The ring-shaped wheel main body 110 of the pair of wheels 140 is disposed on the left and right sides of the dust collection unit 500. The user visually checks the dust collection status of the dust collection unit 500 inside the vacuum cleaner main body 100A from the central opening 141 of the ring-shaped wheel main body 110, and pulls out the dust collection unit 500 from the upper part of the vacuum cleaner main body 100A as appropriate. Dust collected in the unit 500 can be discarded.

  Moreover, since the cleaner body 100A includes the hand handle 115 at the front upper part of the housing 101, the user can hold the hand handle 115 and lift and transport the cleaner body 100A.

  Further, as shown in FIGS. 3 to 6, at the rear part of the housing 101 of the cleaner body 100 </ b> A, a battery holder 109 that holds the battery B and a locking mechanism that removably fixes the battery B to the battery holder 109. R and a hook pin P for attaching a shoulder belt S indicated by a two-dot chain line to the cleaner body 100A in a ring shape in cooperation with the hand handle 115 are provided. As a result, the user can clean while carrying the vacuum cleaner main body 100A with the shoulder belt S on the shoulder.

  When cleaning without using the shoulder belt S temporarily, if the shoulder belt S is folded into a zigzag compact and tied with a rubber band or string and placed on the cleaner body 100A, the cleaner body 100A is used. There is no need to step on the shoulder belt or get caught in furniture or the like to get in the way or break. Moreover, since the attachment of the shoulder belt to the main body of the vacuum cleaner is not a detachable type or a take-up type, there is also an advantage that it is easy to obtain sufficient attachment strength.

An exhaust port 133 is formed in the rear portion of the housing 101 of the vacuum cleaner main body 100A, and a lower portion for guiding exhaust from the electric blower 106 to the exhaust port 133 in the lower portion and the rear portion of the dust collecting unit 500 inside the housing 101. A flow path 138 and a rear flow path 139 are formed (see FIGS. 5 and 9). Circuit boards K ₁ and K ₂ are arranged in an exhaust passage having a lower passage 138 and a rear passage 139.

  A battery holder mounting recess 108 that opens rearward and upward is provided in the rear portion of the housing 101, and a battery holder 109, which will be described later, is fitted into the battery holder mounting recess 108 and fixed by a screw N. Yes.

  More specifically, a notch recess 105 that opens rearward and upward is provided between the battery holder mounting recess 108 and the dust collection unit 500 at the upper part of the housing 101. The hook pin P in the horizontal direction is provided. A latch release button Ra of a latch mechanism R, which will be described later, is disposed behind the hook pin P.

  The locking mechanism R includes the locking release button Ra, a locking member Rb, and a resilient member Rc, and these members are incorporated in a space surrounded by the battery holder 109 and the casing 101. ing.

The locking member Rb has a locking claw Rb ₁ and a slant piece Rb ₂ connected to the locking claw Rb ₁ , and the slant piece Rb ₂ extends forward from the lower end of the locking claw Rb _1. It is tilted up.
The elastic member Rc is made of, for example, a coil spring, and elastically urges the locking claw Rb ₁ backward via the inclined piece Rb ₂ .
The unlocking button Ra has a lower end that can be slidably contacted with the slant piece Rb ₂ and an externally exposed upper end that is connected to the lower end.

According to the thus constructed locking mechanism R, by depressing the unlocking button Ra, sliding as the lower end of the locking release button Ra moves the swash piece Rb ₂ of the locking member Rb forward The locking claw Rb ₁ moves forward by contact. Also, release the locking release button Ra, together with the oblique piece Rb ₂ and the locking claw Rb ₁ of the locking member Rb by the biasing force of the elastic member Rc is moved rearward, the locking by Hasuhen unit Rb ₂ The release button Ra is pushed up.

The battery B has a rounded rectangular parallelepiped shape, and an upper portion of the front surface thereof is provided with a locking recess Ba that opens to the front and above that the locking claw Rb ₁ of the locking mechanism R is detachably locked. The left and right side surfaces are provided with convex portions Bb extending in the vertical direction. The battery B has positive and negative terminals, which will be described in detail later.

  The battery holder 109 has a front wall 109a, left and right side walls 109b, and a bottom wall 109c that face the back, left and right sides, and bottom of the battery holder mounting recess 108 of the housing 101.

The front wall 109a, an opening portion 109a1 for inserting the locking claw Rb ₁ of the locking mechanism R is formed on the upper, four insertion holes 109a ₂ are left and right upper for inserting the screw N (see FIG. 5) And is formed at the bottom. Incidentally, the screw fixing position of the battery holder mounting recess 108 of the housing 101 is provided with four bosses 101a, for example, each boss 101a is passed through the self-tapping screws N into the insertion holes 109a ₂ Can be screwed.

Left and right side walls 109b are in their inner surfaces, the vertical direction of the guide groove 109b ₁ is formed which is formed by ribs. When the battery B is attached to the battery holder 109 from above, the pair of left and right protrusions Bb of the battery B are fitted into the pair of left and right guide grooves 109b1 of the battery holder 109 while sliding. This prevents the battery B from falling off from the battery holder 109. At this time, the locking claw Rb ₁ of the locking mechanism R is an inclined surface whose upper surface is inclined downward from the front to the rear, so that the bottom surface of the battery B is not caught by the locking claw Rb ₁ and the front surface of the battery B Thus, the latching claw Rb ₁ is pushed into the opening 109 a ₁ , so that the battery B can be smoothly attached to the battery holder 109.

In the embodiment 1, the bottom wall 109c of the battery holder 109 is formed into a shape having a notch 109c ₁ of the rear opening shape. On the other hand, the bottom of the battery holder mounting recess 108 of the housing 101 is formed in a shape having a recess into which the bottom wall 109c of the battery holder 109 is fitted, whereby the bottom of the battery holder mounting recess 108 and the battery holder 109 are formed. The bottom wall 109c is flush with the same surface.

  In the present invention, the positive and negative terminals of the battery B may be provided on the front surface, the left and right side walls, or the bottom surface, and the terminal on the cleaner body 100A side that can be electrically connected to the positive and negative terminals of the battery B is in front of the battery holder 109. It may be provided at the bottom of the wall 109a, the left and right side walls 109b or the bottom wall 109c, or the battery holder mounting recess 108 of the housing 101.

For example, although not shown, in the first embodiment, the positive and negative terminals of the battery B are provided on the bottom surface, and the terminal on the cleaner body 100A side is provided on the bottom of the recess 108 for attaching the battery holder. Therefore, the bottom wall 109c of the battery holder 109, 109c ₁ are provided notches to avoid the cleaner body 100A side terminal. In this case, the terminal on the vacuum cleaner main body 100A side is constituted by a metal pin that can be protruded and retracted up and down by a coil spring, and a hole through which the metal pin is inserted is formed at the bottom of the battery holder mounting recess 108. Good. When the battery B has a temperature detection electrode terminal, a temperature detection electrode terminal is also provided on the cleaner body 100A side.

  Since the battery holder 109 is manufactured according to the specifications of the battery B, when using another battery having different specifications, it is necessary to manufacture a battery holder corresponding to the battery. At this time, as long as the battery has a size that fits into the battery holder mounting recess 108, the battery holder 109 corresponding to the battery of any specification is manufactured, and thus the design change and the manufacturing cost of the housing 101 are made. Can be avoided. In addition, about electrode components, such as a terminal by the side of the vacuum cleaner main body 100A, even if the specification of a battery differs, it can be shared.

As shown in FIG. 5, the battery B attached to the battery holder 109 is removed from the battery holder 109 even when the battery B is lifted because the locking claw Rb ₁ is locked and pressed against the locking recess Ba. It is not possible. As described above, when the lock release button Ra is pressed down, the lock claw Rb ₁ is retracted forward and disengaged from the lock recess Ba. Therefore, when the battery B is lifted, it is removed from the battery holder 109 and connected to a commercial power source (not shown) The battery B can be set in the connected charger and charged.

As shown in FIG. 3, for example, an operation lamp L ₁ , a battery display lamp L ₂ , a notification display lamp L _3, and an ECO display lamp L ₄ are provided at the rear part of the housing 101, and these lamps are not shown in the figure. It is provided on the substrate.

Battery indicator lamp L _2, the battery B to display the level and charge completion of battery voltage supplied by using a LED vary emission colors. In one example, when the battery voltage is sufficiently high after full charge, it lights in green, the remaining capacity of battery B decreases with use, and as the battery voltage drops, the display color changes from green through yellow to red, and charging is required Let users know when it ’s right. Furthermore, it flashes red during charging, and lights up in green when charging is completed to notify the user of completion of charging. Notice display lamp L ₃ is turned on when there is a notice to the user. When the “OFF” button of the operation unit 305 (see FIG. 1) is operated while the notification display lamp L ₃ is lit, the control unit provided on the circuit board K ₁ or K ₂ corresponds to the content of the notification. Play audio data to inform the user. The ECO display lamp L ₄ lights up when the “ON” button of the operation unit 305 is operated and operates in the eco mode. The eco mode is a mode in which the control unit switches the suction force of the electric blower 106 depending on whether the place of cleaning is a carpet or flooring. Further, when the suction port body 303 moves away from the floor during the operation in the eco mode, the control unit stops a brush drive motor (not shown) provided in the suction port body 303 in response thereto. A control part judges the place of cleaning by the load of a brush drive motor.

[Dust collection unit]
7 is an external perspective view of the dust collection unit provided in the cleaner body of Embodiment 1, and FIG. 8 is a longitudinal sectional view of the dust collection unit shown in FIG.
The dust collection unit 500 includes a cup cover unit 570, a filter unit 550, an inner cylinder unit 530, and a bottomed cylindrical dust cup 501.

  The dust cup 501 is formed of a transparent or translucent resin so that the dust collection state can be visually observed from the outside. As shown in FIG. 7, an inflow port 503 into which an air flow from the suction hose 300 (see FIG. 1) flows is provided on the front peripheral surface of the dust cup 501.

  Referring to FIGS. 1, 2, and 5, the connecting portion 306 of the suction hose 300 is connected to the vacuum cleaner main body 100 </ b> A so that air flows straight from the tangential direction to the inner circumferential surface of the cylindrical dust cup 501. It is bent from the center.

  Referring to FIG. 8, the inner cylinder unit 530 includes an upper cup cover 537 that houses the filter unit 550, a lower dust partition 535, and an inner cylinder 533 that connects between them. An opening is formed at the bottom of the cup cover 537 to which the inner cylinder 533 is connected. A slit-like outlet 533b is formed around the inner cylinder 533, and a mesh-like filter (not shown) is disposed at the outlet 533b. The dust partition 535 includes a flange portion 535 a having an outer diameter larger than that of the inner tube 533, a large-diameter tube portion 535 b surrounding the outer periphery of the flange portion, and a small-diameter tube portion 535 c whose lower end is in contact with the bottom center portion of the dust cup 501.

  When the electric blower 106 is activated, the airflow flows straight into the dust cup 501 in the circumferential tangent direction via the connecting portion 306 and the lateral relay duct 104a (see FIG. 9), and a high-speed swirling airflow is formed in the dust cup 501. To do.

Thereby, the dust contained in the airflow is centrifuged. Since the dust collecting unit 500 is installed so that the central axis of the swirling airflow to be formed faces the direction of gravity, the heavy dust among the centrifugally separated dust is accumulated below the flange portion 535a by the action of gravity. .
Here, the central axis of the swirling airflow of the dust collection unit 500 being directed in the direction of gravity does not require the central axis of the swirling airflow to be directly below, and the dust collection unit 500 is directed to the cleaner body 100A in the vertical direction. It only has to be arranged.

A light thing is filtered with the mesh-like filter arrange | positioned in the outflow port 533b with an air flow. In addition, minute dust rises in the inner cylinder 533 through the outlet 533b and is filtered by the filter unit 550. The filter unit 550 includes a pleated filter in which a peak and a valley are continuous. The filtered air flow is sucked into the electric blower 106 through the outflow duct 571.
The dust collection unit 500 collects dust by centrifugal separation, but is not limited thereto. For example, a paper pack may be used to collect dust.

  As shown in FIGS. 5, 8, and 9, the air flow from the suction hose 301 flows into the dust collection unit 500 through the connection portion 306 and the lateral relay duct 104 a and above the electric blower 106.

  The inflowing air flow becomes a swirl flow in the dust cup 501 of the dust collection unit 500. After the dust collection is centrifuged, the air flow rises in the inner cylinder 533, passes through the filter unit 550, passes through the electric blower 106, and enters the lower flow path 138 below the dust collection unit 500. enter. The swivel axis is slightly tilted rearward with respect to the vertical direction. When viewed from the side as shown in FIG. 9, the flow path flowing into the dust cup 501 from the connection portion 306 is substantially orthogonal to the pivot axis.

The air flow passes through the lower flow path 138 while cooling the circuit boards K ₁ and K _2, and then the air flow flows into the rear flow path 139 and is discharged from the exhaust port 133 to the outside. In addition, the ion generator I may be provided in the rear flow path 139, and an air flow may be discharged | emitted from the exhaust port 133 outside with the ion which generate | occur | produced in the ion generator I. FIG.

(Embodiment 2)
FIG. 10 is a perspective view of the vacuum cleaner main body in the electric vacuum cleaner according to the second embodiment, and FIG. 11 is a perspective view illustrating a storage state when the battery of the electric vacuum cleaner according to the second embodiment is removed. 10 and 11, the same reference numerals are given to the same elements as those in FIGS. 1 to 9.

As described in the first embodiment, as shown in FIG. 10, when the battery is removed from the cleaner main body 100B, the center of gravity of the cleaner main body 100B is moved forward, so the connection of the cleaner main body 100B is performed. hook receiving member 111 provided in the part 306 fall down when trying Arise hook member 303a ₁ engages suction hose 300 of the suction hose 300 (see FIG. 1).

Therefore, in the second embodiment, the battery is a second hook receiving member 111x engagement with the hook member 303a ₁ when removed from the cleaner body 100B, are provided on the left and right middle position of the rear upper surface of the housing 101 . Further, in the case of the second embodiment, the hook pin P (see FIG. 3) provided in the first embodiment is omitted, and the position of the locking release button Ra of the locking mechanism R is shifted laterally. . In addition, when the position of the locking release button Ra is shifted to the side, the slant piece Rb ₂ of the locking member Rb is redesigned sideways. In this case as well, as in the first embodiment, the locking release button Ra is changed. The latching claw Rb ₁ is moved forward by pushing in, and the latching claw Rb ₁ is moved backward by the resilient member Rc when the latch release button Ra is released (see FIG. 5).

According to the second embodiment, as shown in FIG. 11, the hook member 303a ₁ is engaged with the second (rear) hook receiving member 111x even when it is removed from the cleaner body 100B to charge the battery. By doing so, the suction hose 300 can be stably stood against the cleaner body 100B without falling out of balance. At this time, since the battery holder 109 is recessed, it is convenient that the connecting pipe portion 303a of the suction port body 303 does not interfere with the cleaner body 100B. Note that if the inclination angle of the rear hook receiving member 111x is made closer to the vertical, the connecting pipe portion 303a and the extension pipe 302 of the suction port body 303 can be leaned to a nearly vertical state, so that a more compact stand storage Can be in a state.

(Embodiment 3)
FIG. 12 is a perspective view of a cleaner body in the electric vacuum cleaner according to the third embodiment. In FIG. 12, the same elements as those in FIGS. 1 to 11 are denoted by the same reference numerals.
The vacuum cleaner of Embodiment 3 is obtained by providing the vacuum cleaner main body 100B of Embodiment 2 with the hook pin P in Embodiment 1.

The hook pin P is disposed at the front position of the hook receiving member 111x so that the rear hook receiving member 111x does not get in the way when the shoulder belt (see FIG. 5) is attached.
According to the third embodiment, both the advantage that the shoulder belt can be used and the advantage that the rear hook receiving member 111x can be used can be obtained.

(Summary)
The electric vacuum cleaner of the present invention comprises an electric blower and a vacuum cleaner main body having a housing for housing the electric blower, and a suction hose connected to the front portion of the housing,
A battery holder to which a battery for supplying electric power to the electric blower is detachably attached to the rear part of the housing is provided ,
The housing has a battery holder mounting recess in the rear portion that opens rearward and upward,
The battery holder has a front wall and left and right side walls facing the back and left and right sides of the battery holder mounting recess,
The battery has a locking recess on the front surface,
The battery holder mounting recess of the housing is provided with a locking mechanism including a locking claw that is detachably locked to the locking recess of the battery,
The battery holder has an opening through which the locking claw is inserted .

The electric vacuum cleaner of the present invention may be configured as follows.
( 1 ) The battery has convex portions on the left and right side surfaces,
The battery holder may have a vertical guide groove in the left and right side walls into which the convex portions of the battery are slidably fitted.
In this way, the battery can be easily attached to and detached from the battery holder, and the battery can be securely held without dropping off from the battery holder. In addition, since the battery is slid up and down, the slide work area for detachment is not necessary and the work is performed in a narrow area compared to when the battery is slid in the horizontal direction (the same direction as the floor). Is possible.

( 2 ) The battery holder mounting recess of the housing is provided with a boss.
An insertion hole through which a screw to be screwed to the boss portion may be formed in the front wall of the battery holder.
If it does in this way, the attachment structure to the housing | casing of a battery holder can be simplified.

  The disclosed embodiments should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner 100A, 100B, 100C Vacuum cleaner main body 101 Case 101a Boss part 106 Electric blower 108 Recessed part for battery holder attachment 109 Battery holder 109a Front wall 109a ₁ Opening part 109a ₂ Insertion hole 109b Left and right side wall 109b ₁ Guide groove 300 Suction Hose B Battery Ba Locking recess Bb Projection R Locking mechanism Ra Locking claw

Claims (3)

A vacuum cleaner main body having an electric blower and a housing for housing the electric blower, and a suction hose connected to a front portion of the housing;
A battery holder to which a battery for supplying electric power to the electric blower is detachably attached to the rear part of the housing is provided ,
The housing has a battery holder mounting recess in the rear portion that opens rearward and upward,
The battery holder has a front wall and left and right side walls facing the back and left and right sides of the battery holder mounting recess,
The battery has a locking recess on the front surface,
The battery holder mounting recess of the housing is provided with a locking mechanism including a locking claw that is detachably locked to the locking recess of the battery,
The said battery holder has an opening part which penetrates the said latching claw, The vacuum cleaner characterized by the above-mentioned . The battery has convex portions on the left and right side surfaces,
2. The electric vacuum cleaner according to claim 1 , wherein the battery holder has a vertical guide groove portion in the left and right side walls into which the convex portions of the battery are slidably fitted. A boss is provided in the battery holder mounting recess of the housing,
The vacuum cleaner according to claim 1 or 2 , wherein an insertion hole through which a screw to be screwed to the boss portion is inserted is formed in a front wall of the battery holder.