JPH036285Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vacuum cleaner using a paper bag filter.

[Prior Art] In this type of vacuum cleaner, the opening paper of the paper bag filter is attached to the intake port using a special locking tool. For example, in Japanese Patent Application Laid-Open No. 56-28733, a paper bag attaching/detaching device is used on a lid body having an air intake port to attach the opening paper of a paper bag filter to the air intake port.
Further, in Japanese Utility Model Application Publication No. 57-64258, the opening paper of the paper bag filter is attached to the intake port by an elastic piece provided near the intake port and a hook piece provided on the top cover.

[Problems to be solved by the invention] In the above-mentioned conventional technology, in order to attach the mouthpiece of the paper bag filter to the intake port, a dedicated locking tool is required for the attachment, which makes attachment and detachment complicated, and the structure is complicated. It has disadvantages such as an increase in the number of parts.

The purpose of the present invention is to address the above-mentioned drawbacks, and by using a packing shape retaining frame for an airtight packing that airtightly seals the dust collection case and the main body case, the opening of the paper bag filter can be removed without increasing the number of component parts. To provide a vacuum cleaner in which paper can be easily attached to and removed from an intake port.

[Means for Solving the Problems] The above object is to provide a dust collection case having an air intake port on the side wall, and a main body case that is detachably provided in the upper opening of the dust collection case and has a built-in electric blower. and provided at the top opening of the dust collection case,
and a ring-shaped airtight packing sandwiched between the dust collection case and the main body case, and a ring-shaped airtight packing that is detachably attached to the airtight packing and maintains the shape of the airtight packing. a frame, and a paper bag filter housed in the dust collection case, and the packing shape retaining frame includes an elastic holder extending inwardly, and an elastic holder extending outwardly opposite to the elastic holder. integrally formed with an extending locking pawl,
Moreover, a locking portion for locking the locking pawl is provided on the inner wall of the dust collecting case above the intake port, and a cap mounting portion provided on the inner wall of the dust collecting case below the intake port and the cap elastic retaining portion are provided. This is achieved by holding the mouth paper of the paper bag filter at the air intake port by means of a body.

[Function] The main body case is removed from the dust collection case, and the paper bag filter cap is attached to the cap elastic holder provided on the packing shape retaining frame and the cap mounting portion provided below the intake port on the inner wall of the dust collection case. When it stops, the flap is set in the intake port. If the paper bag portion of the paper bag filter is pushed into the dust collection case in this state, installation of the paper bag filter into the dust collection case is completed. In this case, the locking claw provided on the packing shape retaining frame is locked to the locking part of the dust collection case, so the cap elastic holder and the packing shape retaining frame cannot move away from the intake port. is set correctly. In addition, the Packkin shape-retaining frame does not touch the paper bag filter when you put it in or take it out of the dust collection case.
Since the locking claw of the packing shape retaining frame is locked to the locking part of the dust collection case, the dust collection case cannot be separated from the case.

The parts necessary to maintain airtightness between the main body case and the dust collection case, that is, the opening elastic retainer is provided using the packing shape retaining frame, so we have added a new part that is specially designed for paper bag filter installation. There is no need to provide separate parts.

[Example] Hereinafter, an example embodying the present invention will be described based on the drawings.

The vacuum cleaner 1 includes a main body case 3 containing an electric blower 2, and a reel case 5 provided on the upper surface of the main case and housing a cord reel 4 therein. The main body case 3 is removably attached by a clamp 9 to the upper opening of a dust collection case 8 which has an air intake port 6 on a side wall and a paper bag filter 7 inside.

In the main body case 3, an electric blower 2 is attached to a vibration-proof rubber 1.
It is supported by a support plate 12 from below via pins 0 and 11. A power switch 14, a dust indicator 15, a clamp 9, and a clamp spring 16, which are supported by a front cover 13, are disposed on the outer surface of the main body case 3.

The reel case 5 is provided with a handle 17 and a cord reel button 18 on the top surface. The cord reel button 18 is connected to the roller lever 19 and is used when reeling the cord. The reel case 5 can be removed without disassembling the main body case 3 by removing the screws 20.

A ring-shaped airtight packing 21 is provided at the top opening of the dust collecting case 8 and is sandwiched between the dust collecting case 8 and the main body case 3. A ring-shaped packing shape retaining frame 24 is detachably attached to the airtight packing 21. The gasket shape retaining frame 24 has a function of maintaining the shape of the airtight gasket 21.

A cap elastic holder 23 for holding the cap 22 of the paper bag filter 7 in the intake port 6 is integrally formed in the packing shape retaining frame 24 so as to extend inwardly. The cap elastic holder 23 has an engaging portion 23 with which one side of the cap 22 of the paper bag filter 7 engages.
a, 29b are formed.

The seal shape retaining frame 24 has an opening elastic retainer 23.
A locking pawl 26 that faces and extends outward is integrally formed. A locking portion 25 is provided above the air intake port 6 of the dust collection case 8, and the locking claw 26 locks integrally with the packing shape retaining frame 24. On the inner wall of the dust collecting case 8, below the intake port 6, opening paper mounting portions 23b and 29b are provided.

A suction port gasket 27 is disposed at the suction port 6 of the dust collection case 8, and is airtight with the opening paper 22 of the filter 7. This intake port gasket 27 has air-tight joint portions 27a and 27b so that it can accommodate cases where the opening portion 28 has a different diameter. The opening sheet 22 is connected to the engaging portion 23a and the opening sheet attaching portion 23.
The airtight joint portions 27a and 27b are configured to reliably join to the intake port gasket 27 according to the diameter of the cap 22 when attached to the engaging portion 29 and the cap mounting portion 29b. .

The lower surface of the dust collection case 8 is provided with wheels 29 and casters 30 to make traveling easier. The caster 30 consists of a caster frame 31 and a caster shaft 32. The caster frame 31 has a locking ring convex portion 33. A locking concave ring portion 34 is provided on the caster shaft 32 side. Both the locking convex ring part 33 and the locking concave ring part 34 are installed by attaching the caster frame 31 side to the caster shaft 3.
This is done by press-fitting the second side.

In the above configuration, when attaching the filter 7 to the dust collection case 8, press the clamp 9 to remove the main case 3 side from the dust collection case 8 side, and connect the cover 22 of the filter 7 to the engaging part 23a and the cover attachment. portion 23b or engaging portion 29a and opening sheet attachment portion 29b
Attach to. At this time, if the diameter of the cap 22 is large, the engaging portion 29a and the cap attaching portion 29b side are used to join the airtight joint portion 27a side of the intake port gasket 27, and if the diameter of the cap 22 is small, , the air-tight joint part 27b side of the intake port gasket 27 is joined using the engaging part 23a and the flap attaching part 23b. At this time, the opening sheet 22 is fixed by rotating the opening sheet 22 from the side indicated by the dashed line in FIG. This is done by pushing up and inserting as shown by the dashed line in the figure. In this case, the gasket shape retaining frame 24 fitted in the airtight gasket 21
Since the locking pawl 26, which extends further, is fixed to the locking portion 25 on the dust collection case 8 side, it will not be pushed upward. If it is necessary to remove this airtight packing 21 from the dust collection case 8, bend the packing shape retaining frame 24 in the opposite direction to the direction in which the locking claws 26 extend to remove the locking claws 26 from the locking portion 25. For example, the airtight gasket 21 is removed from the dust collection case 8.

[Effects of the invention] According to the present invention, the packing shape retaining frame integrally includes a cap elastic holder extending inward and a locking claw extending outward in opposition to the cap elastic holder. form,
In addition, a locking part is provided on the inner wall of the dust collecting case above the intake port, and a locking part for locking the locking pawl is provided, and a cap mounting part and a cap elastic holder provided on the inner wall of the dust collecting case below the intake port are provided. Therefore, since the opening paper of the paper bag filter is held at the intake port, (1) The opening paper of the paper bag filter is held at the intake port by the opening paper elastic holder using the packing shape retaining frame for the airtight packing. There is no need to add a dedicated paper bag holding part to install the paper bag filter in the dust collection case.

(2) Opposing the opening paper elastic holder, there is a locking claw that is integrated with the packing shape retaining frame, and the locking claw is locked to the locking part of the dust collection case, so the opening of the paper bag filter is When the paper is attached to the intake port, it is possible to prevent the opening paper elastic holder from being deformed in the direction away from the intake opening, and also to ensure that the opening paper of the paper bag filter is always correctly set in the intake opening. Ru.

(3) The airtight gasket is attached to the gasket retaining frame, and the locking claw provided integrally on the gasket retaining frame is locked to the locking part of the dust collection case, so the main case can be attached to the dust collection case. The airtight gasket does not easily come off from the dust collection case, making it extremely easy to handle when transporting the dust collection case alone to a garbage disposal site or when inserting and removing the paper bag filter from the dust collection case. It is.

It is possible to obtain a vacuum cleaner in which the mouth paper of a paper bag filter can be easily attached to and removed from the intake port without increasing the number of components.

[Brief explanation of drawings]

Fig. 1 is a vertical cross-sectional view of a vacuum cleaner showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the cap mounting part of the dust collection case, and Fig. 3 is the installation state of caps with different diameters. FIG. 4 is an exploded perspective view of the caster portion, and FIG. 5 is a perspective view of essential parts. 2...Electric blower, 3...Main case, 6...
Intake port, 7...Paper bag filter, 8...Dust collection case, 21...Airtight packing, 22...Slip paper, 23...
...Paper elastic holder, 24...Packing shape retaining frame, 2
5... Locking portion, 26... Locking claw, 23b, 29b
...Installation mounting part.

Claims (1)

[Scope of utility model registration request] a dust collection case having an air intake port on a side wall; a main body case removably provided at the top opening of the dust collection case and incorporating an electric blower; and a main body case provided at the top opening of the dust collection case; and a ring-shaped airtight packing sandwiched between the dust collection case and the main body case, and a ring-shaped packing retainer that is detachably attached to the airtight packing and maintains the shape of the airtight packing. A form frame and a paper bag filter housed in the dust collection case are provided, and the packing shape retaining frame includes a cap elastic holder extending inwardly, and an outer cap elastic holder opposite to the cap elastic holder. a locking pawl that extends to the inner wall of the dust collecting case, and a locking portion for locking the locking pawl is provided on a portion of the inner wall of the dust collecting case above the intake port; A vacuum cleaner characterized in that the opening paper of the paper bag filter is held in the air intake port by the provided opening paper attaching portion and the opening paper elastic holder.