JPS60501791A - Improvements in vacuum cleaners - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Background of the invention This invention relates to improved vacuum cleaners or vacuum cleaning apparatus, and more particularly to Request Box No. 452.917 relates to the described small household device.

U.S. Patent Application Box 452.917 describes a general cylinder with a dirty air inlet. A type of outer cyclone and air is transferred from the outer cyclone to the inner cyclone. and a passageway through which the water flows into the tank. Even cleaner air or from the inner cyclone It flows towards the center and is discharged. The relationship between the two cyclone devices is It is described in Patent No. 4,377.882.

As described in U.S. Patent Application Box 452.917 and U.S. Patent No. 4,377.882. The device shown is used in two responsible modes. As the second mode, The air containing dirt is removed by a long and narrow brush that is attached to the bottom of the vacuum cleaner and can be rotated on a shaft. It flows from the floor abutting the cleaning head with the cleaning member. second mode, That is, as a pure suction mode, the air laden with dirt is drawn into the pipe inside the hose section. This pipe is similar to other suction pipes that do not use rotatable brush members. Connected to built-in parts.

An element that converts between two modes so that the two modes operate independently of each other. The problem is that an effective valve means is required.

Conventional technology To convert an upright vacuum cleaner into a small vacuum cleaner with a hose, use a variety of Modifiable vacuum cleaners have been described in the prior art. For example, U.S. Patent No. 4,393,536 @ to inventor Dyson, U.S. Patent No. 4,377 ．． No. 882, inventor U.S. Pat. No. 4,376.322 to Lockhart et al., inventor U.S. Pat. No. 4,171.553 to Stein, U.S. Pat. No. 4, Wright et al. No. 050,113, U.S. Pat. No. 2,898,622 to Inventor Hurd, Inventor Pi. U.S. Pat. No. 2,876,481 to Data et al., U.S. Pat. No. 2,876,486 to Inventor Duff. No. 7.833-g, inventor U.S. Pat. No. 2,850,756 to Ziegler et al., inventor U.S. Patent No. 2,769.998 to Hunter, U.S. Patent No. 2 to Inventor Schalho et al. , 769.996, inventor Kirby, U.S. Pat. No. 2,648.396, invention Kirby's U.S. Patent No. 2,504°846; No. 2,230°264, issued by Baker, U.S. Pat. No. 1,953.944. U.S. Patent No. 1,936.761 to Meisha Hover, U.S. Patent No. 1,936.761 to Inventor Reprogre No. 1,887.60Q, U.S. Patent No. 1.533,271 to Reprogre , U.S. Patent No. 1.338.791 to inventor Reprogre, and inventor Peter Described in US Pat. No. 1.217.8317.

Purpose of invention The purpose of this invention is to provide a means for controlling the air flow in a vacuum cleaner. The floor, etc. that comes into contact with the cleaning head according to the mote or second mode of operation. , or to provide a device for quickly opening the population of the cyclone device in the direction of the hose section. That's true. Other purposes will become clear from the following description and drawings.

Drawing description FIG. 1 is a side view of a vacuum cleaner according to the invention.

FIG. 2 is a side view of the vacuum cleaner in a first mode.

FIG. 3 is a side view of the vacuum cleaner in the second mode.

Figure 4 shows an air flow control device separated from the vacuum cleaner shown in Figures 1 to 3. FIG.

Figure 5 shows that when the vacuum cleaner or the first mote shown in Figure 2 controls the air flow, 1 is a schematic cross-sectional view showing the position of the device;

Figure 6 shows a device that controls air flow when the vacuum cleaner is in the second mode shown in Figure 3. FIG. 2 is a schematic cross-sectional view showing the position of FIG.

General description The present invention relates to a vacuum cleaner, which includes a main gashing (1). -C is here. This main casing has a dust passage (11) that guides air containing dust. stone, and accommodates a motor-driven engine 11-knit inside it, It includes means for retaining dust within the body separate from the dust passageway. Connected to dust path A hose section (6) is provided, which hose section is provided with a passage for dust air. There is.

In the vicinity of the main casing, there is a shaft rotatable with respect to the casing to engage with the floor. The cleaning head (2), which forms part of the floor-engaging part of the main body, is installed. ing.

In addition, the cleaning head is a rotating brush unit (4) inside the casing. Contains. The cleaning head is installed separately from the hose section with air passages. Connected. Additionally, the cleaning head has air passages that can be selectively positioned. Install the air control valve (22). from either the cleaning head or the hose section to the main case via the air passage. selectively directs dust air into the housing. cleaning head or main casing When rotated to the first position relative to the It is connected to the passage in the casing by the position. Cleaning head or the second digit of the count When in position, this cleaning head is separated from the air passage, and this passage is connected to the base section.

The invention also relates to another vacuum cleaner. This vacuum cleaner is dust A main cooler with a dust passageway for guiding air containing dust and a dust passageway. A means for retaining dust is disposed within the main body and is connected to the dust passage. Sow 1 with dust-laden air population (49) and the 1st one fixed in the socket. Flexible hose part (6) with the second part on the right side and the luxiple hose part The city is made up of hollow pipe members (44) connected so as to be able to rotate freely within the city. This pipe member engages with the socket when fully contracted within the flexible hose section. When the pipe member is fully extended, the first part of the flexible hose section It has one end that is engageable with the two ends, and this lower end is removed from the socket. pipe members that function as inlets for dusty air and the floor near the main casing. It is attached to the part that engages with the air passage and includes a rotating brush unit (4). and a cleaning head (4) that is separately connected to the socket i. And now, furthermore, Attached to the cleaning head, its position can be selectively switched within the dust passage. Depending on this switching position, one noning head or hose Dust-laden air from any of the sections into the main casing via the above dust passages. an air flow control device (22) for selectively varying the flow; generally has its cylindrical surface rotated with the cleaning head relative to the casing. A cylindrical drum (25) defining a longitudinal axis of rotation is included between the two @ parts. In particular, the cylindrical drum has an axially extending sector-shaped appendage at one end thereof; to the first population port (28) from the cleaning head and the air passage in the casing. A first passageway (27) is provided through the drum between the first outlet port (29) and the first outlet port (29). Each port of this first passage is formed through the cylindrical surface of the drum. a second outlet port formed through the curved surface of the drum moved from the first outlet port; a second artificial port formed from the port (30) through the radial surface of the appendage; a second passageway (33) extending into the casing, the second outlet and inlet port being When the is in the first position around the tram, it is connected to the air passage led to the hose section. , the first and second inlet and outlet ports are located at a second location around the casing or tram. , it is connected to an air passage leading to the cleaning head.

For this kind of vacuum cleaner, the airflow control device (22) is the cleaning head (2) from either the ground or hose part (6) engaged with the first cyclone. means for selectively directing dust air into the chamber.

In a preferred embodiment, the airflow control device (22) is a generally cylindrical drum (25). This drum is equipped with an axially extending fan-shaped appendage and a cylindrical curved surface of the drum. between a first inlet port (28) and a first outlet port (29) formed by a first passage extending radially through the drum and about 30' from the first exit boat; penetrating the radial face of the sector-shaped appendage from a second outlet boat (30) formed apart; and a second passageway extending to a first inlet port (31) formed in the same manner.

11 Examples” An embodiment of this invention will be described below.

The vacuum cleaner shown in FIG. 1 is shown in U.S. Patent Application No. 452.917. It is generally similar to that of

Corresponding parts in the drawings and description are provided with the same reference numerals. 1st As shown in Figures , 2 and 3, the vacuum cleaner preferably has two concentric It is equipped with a main casing 1 that houses the Ikron. two cyclones 1' is a cyclone to remove large dirty particles on the outside and a small/d:'h A standard vacuum cleaner casing. may be used. A pivoted cleaning head is attached to the lower end of the casing 1. A head 2 is provided with a long, transversely extending brushing member 4 ( (see Figures 5 and 6). Normal motor-driven fan unit (Fig. ) is arranged in the lower end of the casing 1, and the motor is mounted on a flexible base. It is connected to the brushing member 4 by a bolt (not shown).

A rod member 6 is erected along the back of the casing and can be used as a handle or for other suction Provided for connecting to tools. Dirty air passage 11 is an outer cyclone The cleaning head 2 or the rod member 6 is connected to the main body 14 of the cleaning head 2 or the rod member 6.

European patent specification number @81302726.5 describes a device for controlling air flow. 22 is provided, and this device 22 is rotatably provided and is connected to the cleaning head 2. Stop the flow of the sky irises and open the air passage to the pie 16.

The control device 22 will be explained in detail with reference to FIG. The control device 22 is axially It comprises a cylindrical drum 25 having an extending fan-shaped attachment 26. Ru.

The first passage 27 is radial from the first population 2B to the first outlet 29 via the drum 25. It extends in the direction. The inlet 2B and the outlet 29 extend through the outer surface of the drum 25. It is formed. The second outlet 30 is formed through the curved surface of the tram 25 and is formed through the curved surface of the tram 25. It is formed at a position approximately 30' from the outlet 29 of No. 1. The second inlet 31 is fan-shaped is formed through a radial surface 32 of the attachment. second exit 30 and It communicates with the inlet 31 of No. 2 through a crank-shaped passage 33.

The hole 34 is formed in the first passage 27 through the sector-shaped surface 35 of the sector-shaped part 26. has been done.

The mechanism of the device 22 for controlling the air flow is explained with reference to Figures 2.3.5 and 6. do. The control device 22 is located on one side of the lower part of the casing 1, and is located on one side of the lower part of the casing 1, and It is located directly below the lower end of channel 11. The control device 22 controls the rotation of the drum section 25. It is rotatable about the axis of symmetry.

This axis passes through the hole 34 and extends across the cleaner so that it is parallel to the axis of the brushing member 4. Extends into rows.

A bearing assembly 36 and an arm 37 are provided at one end of the cleaning head 2. is located. The axis of rotation of the bearing 36 is connected to the air flow control device 22. It is rotatable along the same axis. Other parts of cleaning head 2 are dirty. It is fixed to the control device 22 by an air passageway 38 . Passage 38 is the first It is inserted into the first passageway 27 via the inlet 28 .

When the vacuum cleaner is used in the first condition, the control device is placed in the position shown in FIG. 22 is located and the dirty air passage 11. the first air passage 27 and the dirty air The passages 3B are all in a straight line. When the motor-driven fan operates, the cleaner The flow of air from cleaning head 2 to dirty air passage 11 is indicated by the arrow in FIG. flows in the direction of

When the vacuum cleaner is used in the second condition, the control device 22 is shown in FIG. in position. The open lower end of the dirty air passage 11 is aligned with the second outlet 30. The radial surfaces 32 of the fan-shaped members 26 are arranged in a straight line.

It comes into contact with the bulkhead 40. This bulkhead 40 has a part of the casing 1. is forming. A bulkhead 40 is formed at one end of an inner passage 41 and has two passages 4 . 1 defines an outlet 42. The passage 41 leads from the outlet 42 to the socket of the casing 1. 49 to the lower open end 43 of the rod 6.

The rod 6 is provided with an inner tube 44 and an outer tube 45 concentrically. The inner tube 44 is made of flexible It is slidably disposed within a flexible and extendable outer tube 45. Below the outer tube The end is fixed to the casing 1 and the inner tube 44 is slidable. Rod 6 is the handle 1 and 2 when used as and always when it is attached to the vacuum cleaner. As shown in FIG. Extend as shown.

The flap 47 is rotatably attached to the shaft 36.

This flap 47 is biased by a spring to close the saw gates 1 to 49 inside the casing 1. and seals the orifice 7'18 in the socket 49. ing. Orifice 48 extends into internal passageway 41 directly below support rod 6 .

When the inner tube 44 of the support rod 6 extends downward as shown by the dashed line, the flap 47 is pressed against the open end of the inner tube 44 to open the orifice, as shown by the dashed line in FIG. 4B. Orifice 4B is opened and the electric fan When activated, the empty Air flows into the vacuum cleaner through orifice 48 as shown by the arrow and further through passageway 4. 1.33 into the dirty air passage 11. For example, the usage letter shown in Figure 3 When the inner tube 44 of the support rod 6 is moved upwardly from its lower position, as in The tap 47 is immediately forced upward (=j) to close the orifice 47. The airflow then flows downward within the support bar 6, as shown by the solid arrow, and passes through the passage 41. 33 into the passageway 11. As shown by the dashed line in Figure 6, the flap When 48 is open, no airflow occurs through inner tube 44. This configuration It is possible to improve the safety of the machine. That is, according to such a configuration, the use Persons, especially children, This prevents people from looking into the area. When the hose part 6 is in the position shown in FIG. The vacuum cleaner is configured to draw only air into the vacuum cleaner.

Wheels 9 are attached to both ends of the shaft 36, and this shaft 36 is attached to the vacuum cleaner case. - Fixed to the rear of thing 1. When the vacuum cleaner is used in the first mode In this case, these wheels 9 act as a means of moving the vacuum cleaner and also control the operation of the vacuum cleaner. If the motor is switched between cleaning head 2 and tube 45, the vehicle The ring 9 acts as a fulcrum for rotating the casing 1.

As shown in FIG. 7, the air control valve 22 has a recess 50 formed therein. is attached to a round locking part 51 having an arm 52 attached to the casing opening. Compatible. As shown in FIGS. 1 and 6, the recess 50 and the locking portion 51 are Hold the cleaning head 2 in the raised position. As a holding means for the air control valve 22 Although other means may be used, it is preferred that the recess 50 and the locking portion 51 are easy to operate. It has the following advantages.

When the vacuum cleaner is in the upright position, as shown in Figures 1, 4 and 6, the rotating The brush 4 is held apart from the floor by the rotation of the cleaning head 2. ing. Thereby, especially when the vacuum cleaner is in the upright position, the hose section 6 is not used. Rotation 1 Rashi 4 will not roll on the floor and damage the carpet etc. There is no fear.

The above configuration is a particularly useful feature of the vacuum cleaner of the present invention.

The operation mode of the vacuum cleaner can be changed, for example, from the first mode shown in FIG. 2 to the second mode shown in FIG. When switching to the mode, it is done as follows. The vacuum cleaner is shown in Figure 2. The hose part 6 is rotated from the inclined position shown to the upright position shown in FIG. It is removed from the machine. Thereafter, from the inner tube 44 or the outer tube 45 to the position shown in FIG. Stretched. d3, when switching the vacuum cleaner from the second mode to the first mode Needless to say, the opposite operation to the above is performed.

When the vacuum cleaner casing 1 is rotated from the tilted position to the upright position, the air flow control valve 22 is fixed to the casing mouth. , If so, cleaning head 2 is in contact with the floor and rotates counterclockwise in Figures 2, 5, and 6. 1-There is a -C because it cannot be done. Furthermore, if the casing 1 is moved from an upright position to an inclined position. The air flow control valve 22 is fixed relative to the casing 1 when pivoted into position.

If this is not possible, the cleaning head 2 will be kept in contact with the floor by its own weight. This is because they are held.

Note that the air control valve means is not limited to the embodiment described above, and can be modified in various ways. example For example, the openings communicating with each passage may be provided on the drum side. Also flexible The outer tube 45 may be used as a vacuum cleaner handle without using the inner tube 44. . It goes without saying that these modifications are easy for those skilled in the art.

Also, endocyclone and When this application is applied to a cyclone-type vacuum cleaner that has a top-to-bottom cyclone, the inner cyclone The cyclone may be located concentrically with the outer cyclone, or may be eccentric to one side. You can leave it there. Furthermore, these niphrons may even be spaced apart. Also , this vacuum cleaner may be applied to a conventional bag-type vacuum cleaner. In addition, these transformations It goes without saying that examples will be easy for those skilled in the art.

Engraving (no changes to the content) Procedural amendment 6□1ao February))■ Mr. Michibe Uga, Commissioner of the Patent Office 1.Display of the incident PCT/GB84100242 2. Name of the invention Improvements in vacuum cleaners 3 Person making the amendment Relationship to the incident: Patent applicant Name Dayson, James 5. Date of amendment order July 23, 1985 6. Subject of correction International search report of prescribed documents (name of inventor and patent applicant) and application (■ column)

Claims (1)

[Claims] 1゜ A main casing with a dust passage for guiding air containing dust, and a A motor-driven fan unit housed within the casing and away from dust paths. A means disposed within the main body for retaining dust, and a means connected to the dust passage for containing dust. A hose part (6) with a hole for air and this main part near the main casing. one part of the body that is movably mounted relative to the casing and engages the floor; and a rotating brush unit (4) inside the main casing. The cleaning head (2) is equipped with a In a vacuum cleaner that is separately connected to a hose connected to a Attached to the cleaning head, the switching position can be selectively switched within the dust passage. Depending on this switching position, the cleaning head or hose section The flow of dust-laden air into the main casing through the dust passages from either The cleaning head is equipped with an air flow control valve means (22) for selectively varying the air flow. or the cleaning head when rotated to the first position relative to the main casing. is connected to the dust passage in the casing by an air flow control valve device, and the cleaning When the head is in the second position, the cleaning head is in the air passage and hose section. A vacuum cleaner that is disconnected from the connected passageway. 2゜ When the cleaning head is in the second position, the brush unit of the cleaning head 2. A vacuum cleaner according to claim 1, wherein the cut is disengaged from the floor. 3゜ Air flow control valve means 1 rotatably mounted on the noning head 2 a directional valve, in the passage, the cleaning head is in a first position in the dust passage; Claim 1 connected to the air passageway to the hose section in a second position. The vacuum cleaner listed. 4゜ Claim 1, wherein the hose portion includes a flexible hose for cleaning. Vacuum cleaner included. 5゜ The hose section includes a flexible hose (45) for cleaning. The first end of the flexible bose is fixed to a socket (49) connected to the air passage. inside the flexible hose and socket, and the handle (6) of the main body. while closing said passageway in a first position of the cleaning head. The vacuum cleaner according to claim 1, wherein the empty pipe member slides telescopically. 6゜ A main casing with a dust passage for guiding air containing dust, and a A motor-driven fan unit housed within the casing and away from dust paths. A means disposed within the main body for retaining dust, and a means connected to the dust passage for containing dust. a socket (49) with an air supply and a first end fixed to the socket; A flexible hose part (6) having a second end and a flexible hose part that expands and contracts within the flexible hose part. A hollow pipe member connected so as to move freely, the pipe member is capable of engaging the socket when fully contracted within the flexible hose section, Also, when the pipe member is fully extended, it can be engaged with the second end of the flexible hose part. It has a lower end that is free from dust and air when removed from the socket. The pipe member that functions as the inlet of the main casing and the part that engages with the floor near the main casing. It is installed in A vacuum cleaner comprising a cleaning head (4) separately connected to the In removing machine, Attached to the cleaning head, its position can be selectively switched within the dust passage. Depending on this switching position, the cleaning head or hose section The flow of dust-laden air into the main casing through the dust passages from either This air flow control device is equipped with an air flow control device 22) that selectively varies the air flow. generally has its cylindrical surface rotated with the cleaning head relative to the casing. including a cylindrical drum (25) defining a longitudinal axis of rotation between its two ends; The cylindrical drum has an axially extending fan-shaped appendage at one end of the cylindrical drum. To the first population port (28) from the leaning head and the air passage in the casing Pass the first passage (27) through the drum between the first robot I~ (29). provided, each port of this first passage being formed through the cylindrical surface of the drum J'3 a second outlet port formed through the curved surface of the drum displaced from the first outlet port; A second person formed by passing through the radial surface of the appendage from the outlet ports 1 to (30) A second passageway (33) extending to the exit port 1~ is provided, and the second exit and the exit port 1~ are provided. , when in the first position around the casing or tram, the air vent led to the hose section The first and second inlet and outlet ports are connected to the casing around the drum. when in the second position of the cleaning head. Vacuum cleaner. 7゜ When the lower end of the hollow pipe member engages with the socket, the spring-loaded valve cover (4 7) is separated from the part connected to socket 1, and the socket is closed by the pipe member. The vacuum cleaner according to claim 6, wherein the vacuum cleaner prevents air from flowing into the air passage. . 8゜ When the main body is engaged with the socket, the pipe is lined up (J cleaning head is the first Claim 7 comprising a handle (6) for the body when in position 1 Vacuum cleaner as described in section. 9゜ The casing and cleaning head are connected to the second inlet and outlet ports or air passages. At one time, the casing and cleaning When the socket head is upright, the pipe removed from the socket is connected to the casing. Claims establishing air flow via an air passageway between the flexible hose The vacuum cleaner according to item 6. 10° The second exit port is approximately 30° away from the first exit port on the cylindrical surface of the drum. A vacuum cleaner according to claim 6. 11° The first passageway extends radially through the drum at - and the second outlet boat is connected to the first outlet port. 7. The vacuum cleaner of claim 6, wherein the vacuum cleaner is approximately 30' from the bottom of the vacuum cleaner. 12° When the lower end of the hollow pipe member engages the socket, the spring-loaded valve cover (47 ) is separated from the socket, and the socket is closed by the pipe member and becomes empty. The inflow of air into the air passage is prevented and the pipe is placed in the cleaning head or in the first position. of the claim with a handle for the body engaged with the socket when in position. A vacuum cleaner according to scope item 6. 13° In the second position, the brush unit of the cleaning head is off the floor A vacuum cleaner according to claim 6. 14° The second outlet opening into the air control means has a face seal (32), which face seal When the cleaning head is in the second position, it engages the opening in the casing (1). A vacuum cleaner according to claim 6. 15° The main gauging (1) has a dust passage for guiding air containing dust, and this A dust passage leads to the motor-driven fan unit 1 housed in the main casing. means for holding dust away from the body and connected to the dust passage; The i-dose part (6) with a population of dust-containing air of 11H1λ and the vicinity of the main casing This main cooler is movably mounted relative to the sink and engages with the floor. In addition to forming part of the main body, there is a rotating brush unit inside the main casing. (4); and a cleaning head (2) consisting of a small number of cleaning heads. The vacuum cleaner is connected separately to the hose connected to the dust passage. In removing machine, Depending on the switching position, the main air containing dust is passed from the hose part through the above passage. A valve means is provided to guide the cleaning head into the casing or the main casing. internal device The cleaner is used to clean the floor by using a brush unit. cleaning head or other second position, the cleaning head is in the second position. The brush unit of the cleaning head is removed from the floor in order to use the hose part. Vacuum cleaner being separated. 16° The valve directs dust air from the cleaning head in a first position and directs dust air from the cleaning head in a second position. 16. The vacuum cleaner according to claim 15, wherein dust and air are introduced from the hose portion at the same time. 17° The valve means is connected to the cleaning head, and the valve means is connected to the cleaning head, and the valve means is connected to the cleaning head. Claim 15: The vacuum cleaner according to claim 15, wherein the passage from the base means is opened and closed.