KR20020033489A - Suction port assembly of vacuum cleaner - Google Patents

Abstract

PURPOSE: A suction portion assembly of a vacuum cleaner is provided to reduce an impact transferred to a suction portion body by improving a suction portion structure of the vacuum cleaner and to increase a cleaning efficiency by improving an air suction passage. CONSTITUTION: A vacuum cleaner comprises a cleaner body(1), a connection hose(3) for connecting the cleaner body(1) and an extension pipe(7) and a suction portion assembly(11) installed movably at the extension pipe(7). A handle grip(5) having an operating switch is provided to the extension pipe(7). The suction portion assembly(10) comprises a suction portion body(11) and an impact reducing device for reducing an impact generated when the suction portion body(11) is collided at an obstacle. The impact reducing device comprises an elastic member(13) installed at the suction portion body(11).

Description

Suction port assembly of vacuum cleaner}

The present invention relates to a vacuum cleaner, and more particularly, to a suction part assembly of a cleaner for sucking air including dust and foreign matter while moving along the surface to be cleaned.

A vacuum cleaner, such as an upright or canister type, generally includes a suction assembly that is connected to the cleaner body and moved along the surface to be cleaned. The interior of the cleaner body is divided into a dust collecting chamber in which the dust filter is detachably installed, and a fan motor driving chamber in which a fan motor providing suction power is installed. In the above configuration, when the fan motor is driven, a strong suction force is generated in the suction unit assembly. By this suction force, air containing dust and various dirt present on the surface to be cleaned is sucked into the cleaner body. The air sucked in this way is discharged through the dust filter installed in the dust collecting chamber of the cleaner body. At this time, various kinds of dirt contained in the air are collected from the dust filter, and the suction air is discharged to the outside through the fan motor driving chamber. .

However, the suction unit assembly may be moved along the surface to be cleaned by a user and collide with an obstacle such as furniture or a threshold. In this case, the suction unit assembly may be damaged or scratched. To prevent this, the user is troublesome to not move the intake assembly freely.

On the other hand, the suction unit assembly may be installed so that the mop for wiping off the foreign matter or stains adhered to the surface to be cleaned is opposed to the surface to be cleaned. However, in this case, since the mop is rotated at a high speed by a predetermined driving means, there is a safety problem when the edge of the mop is exposed to the outside of the suction unit assembly. Therefore, there is a need for a device that can secure the safety of the user from the mop rotated at high speed.

On the other hand, a conventional suction part assembly is provided with a suction path in the lower front part facing the surface to be cleaned, and sucks the dirt of the surface to be cleaned through the suction path.

However, the user generally cleans by pushing and pulling the suction unit assembly back and forth, and thus, when the suction unit assembly is moved forward, foreign matter or dust is sucked through the suction passage located at the front, but moved backward. In case of being, there was an inconvenience in that the dirt located in the rear is not inhaled.

And, as described above, in the case of the suction part assembly installed so that the mop is opposed to the surface to be cleaned, when the suction part assembly is moved forward, the rotational motion of the mop does not interfere, but the suction part assembly moves toward the rear side. In this case, there is a problem in that the foreign matter or dust is caught on the mop and the rotation operation is interfered.

The present invention has been made to solve the above problems, and a first object of the present invention is to provide an inlet assembly of a vacuum cleaner having an improved structure to mitigate an impact delivered to the inlet body.

The present invention has been made to solve the above problems, and a second object of the present invention is to provide an intake assembly of a vacuum cleaner having improved cleaning efficiency by improving the structure of the air intake passage.

In addition, the present invention was devised to solve the above problems, and a third object of the present invention is to provide an intake assembly of a vacuum cleaner having an improved structure to ensure the safety of a user from driving a mop.

1 is a perspective view showing a vacuum cleaner employing the suction unit assembly according to an embodiment of the present invention.

Figure 2 is a perspective view showing the suction unit assembly of the vacuum cleaner according to another embodiment of the present invention.

3 is a schematic exploded perspective view of the intake assembly shown in FIG. 2;

4 is a bottom view of the intake assembly shown in FIG. 2.

Figure 5 is an exploded perspective view of the intake assembly according to another embodiment of the present invention.

6 is a cross-sectional view taken along line II of FIG. 5.

FIG. 7 is a bottom view of the intake assembly shown in FIG. 5. FIG.

Explanation of symbols on the main parts of the drawings

1: cleaner body 7: extension tube

10, 20: suction unit assembly 11, 21: suction unit body

22, 24: base member 22b: cover part

22c: fence part 22d: mop cover part

23: cover member 30: mop

40: rotation drive portion 41: rotating body

43: bidirectional rotation motor 45: worm wheel gear

47: converter gear 50, 13: elastic member

60: first suction path 64: first suction port

70 second suction path 73 second outlet

77 guide passage 79 second suction port

The suction part assembly of the vacuum cleaner according to the present invention for achieving the first object is connected to the cleaner body through an extension tube, and the suction part body provided with a suction port to suck air containing dust and foreign matter from the surface to be cleaned; ; And an impact mitigating means for relieving the impact when the suction unit main body moves along the surface to be cleaned and collides with a predetermined obstacle.

Here, the impact mitigating means, the elastic member is installed to surround the edge adjacent to the surface to be cleaned of the suction unit body, the elastic member is a front edge symmetrical to one side to which the extension tube of the suction unit body is coupled It is preferable to be installed to surround.

On the other hand, the suction part assembly of the vacuum cleaner according to the present invention for achieving the second object, the suction part is connected to the cleaner body through an extension pipe, the suction part is formed to suck the air containing dust and foreign matter from the surface to be cleaned A suction part assembly of a vacuum cleaner including a main body, comprising: a first suction path formed in front of a lower part of the suction part main body and into which air containing dust is sucked; It is characterized in that it comprises a; second inhalation inhalation.

The suction unit assembly may further include a guide passage formed between the first suction path and the second suction path to guide the air sucked therefrom through the extension pipe.

In addition, when a mop is rotatably installed at a lower end of the suction part main body, and a rotation driving part for driving the mop is provided inside the suction part main body, the first and second directions are respectively provided in front and rear with the rotation driving part interposed therebetween. More preferably, a suction path and the second suction path are formed.

Finally, the suction unit assembly of the vacuum cleaner according to the present invention for achieving the third object, to suck the air containing the dust and foreign matter on the surface to be cleaned by the suction force generated when the fan motor of the cleaner body is driven. A suction part assembly provided with a suction hole for a suction part assembly of a cleaner comprising a suction part main body and a mop rotatably installed on the lower wall of the suction part main body to wipe off the adhered foreign matter on the surface to be cleaned adjacent to the suction hole. It is provided on the suction unit body to surround the, characterized in that it comprises a mop cover portion to prevent the side edge of the mop in contact with the surface to be cleaned is exposed to the outside of the suction unit body.

The mop cover part may include a cover part extending from the lower wall to cover an upper surface of the mop facing the lower wall of the suction part main body and having an arc-shaped edge corresponding to the shape of the edge of the mop; It is preferable to include a fence portion extending from the arc-shaped edge toward the surface to be cleaned to surround the side edge of the mop.

Hereinafter, the suction unit assembly of the cleaner according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings. Meanwhile, the same reference numerals as the reference numerals in the drawings shown in the drawings indicate the same components, and detailed descriptions of the components will be omitted.

1 is a schematic perspective view of a vacuum cleaner employing a suction assembly according to an embodiment of the present invention. Referring to FIG. 1, the vacuum cleaner includes a cleaner body 1, a connection hose 3 connecting the cleaner body 1 and the extension tube 7, and a suction unit movably installed in the extension tube 7. An assembly 10. The extension tube 7 is provided with a handle 5 having an operation switch. When a fan motor (not shown) installed in the cleaner body 1 is driven by the operation of the operation switch, a suction force is generated in the suction unit assembly 10.

The suction part assembly 10 includes a suction part main body 11 and impact mitigating means for mitigating a shock generated when the suction part main body 11 collides with a predetermined obstacle. In the lower part of the suction part main body 11, a suction port (not shown) for suctioning air containing dust and foreign matter present on the surface to be cleaned is formed.

The impact mitigating means includes an elastic member 13 installed on the suction part main body (11). The elastic member 13 is formed of a rubber material having a predetermined thickness, for example. In addition, in the case of cleaning, in consideration that the edge 11a adjacent to the surface to be cleaned of the suction part main body 11 mainly collides with a predetermined obstacle, the elastic member 13 is preferably installed to surround the edge 11a. Do. In addition, the elastic member 13 is more preferably installed to include a front edge symmetrical to the rear edge to which the extension tube 7 of the suction unit body 11 is coupled. The elastic member 13 may be attached to the edge 11a by an adhesive such as a bond. In addition, the elastic member 13 may be installed on the suction part main body 11 by a screw or hook member.

As described above, by providing the elastic member 13 to the suction part main body 11, the impact generated when the suction part assembly 10 collides with an obstacle such as a furniture or a wall surface during the cleaning operation, the suction part main body 11 Are not delivered entirely). Therefore, it is possible to prevent the suction part main body 11 from being damaged or scratched. In particular, when an electrical or electronic component (not shown) is embedded in the suction unit body 11, the internal components can be effectively protected from external shocks, thereby improving the stability and durability of the cleaner.

2 to 4, the suction unit assembly 20 of the vacuum cleaner according to another embodiment of the present invention includes a suction unit body 21 connected to a cleaner body (not shown) by an extension tube 7. It is provided with a mop 30 rotatably installed on the suction unit main body 21 and the impact mitigating means.

As shown in FIG. 2, the suction part main body 21 includes a base member 22 and a lid member 23. The lower wall 22a of the base member 22 is exposed to the outside so as to face the surface to be cleaned and is installed to be rotatable. Here, the mop 30 is detachably supported by the rotating body 41 rotatably installed on the suction part main body 21. The mop 30 has a disk shape and is coupled to the rotating body 41 by a Velcro fastener 42. In addition, the inside of the suction unit assembly 20 is provided with a rotary drive unit 40 for driving the rotating body 41. The rotary drive unit 40 is a bidirectional rotary motor 43 installed in the suction unit body 21, and a worm wheel gear 45 for transmitting the driving force of the bidirectional rotary motor 43 to the rotating body 41 (Worm wheel) gear) and transducer gear 47 and cover 49 provided to surround the gear. The bidirectional rotary motor 43 is connected to an operation switch installed in the handle portion 5 (see FIG. 1) of the extension tube 7 through the wire 7a provided in the extension tube 7. The bidirectional rotary motor 43 is driven by the manipulation switch. The driving force of the bidirectional rotary motor 43 is transmitted to the converter gear 47 meshed with the worm wheel gear 45, whereby the rotating body 41 coupled with the converter gear 47 rotates at a high speed, and the mop 30 also rotates together. Here, each of the bidirectional rotary motor 43, the worm wheel gear 45 and the transducer gear 47 may be opened and closed by a cover 49 in the suction unit body 21.

Mop 30 that is rotated at a high speed as described above is to wipe off the foreign matter stuck to the surface to be cleaned. However, as shown in FIG. 4, when the suction port H and the mop 30 provided on the lower wall 22a of the suction part main body 21 face the surface to be cleaned, the cleaning operation of the surface to be cleaned is performed. When the side edge 31 of the mop 30 is exposed to the outside, the mop 30 which rotates at a high speed may hit a user's foot or other furniture and cause a safety accident. In consideration of this point, the suction part main body 21 is provided with a mop cover part 22d for wrapping the side edge 31 of the mop 30 exposed to the outside. The mop cover portion 22d extends from the lower wall 22a to cover the upper portion of the mop 30 facing the lower wall 22a, and the surface to be cleaned from the lid portion 22b. It is provided with a fence portion 22c extending toward and surrounding the side rim 31 of the mop 30. The cover part 22b is formed integrally with the lower wall 22a and has an arc-shaped edge L corresponding to the shape of the side edge 31 of the mop 30. The fence portion 22c is formed to extend from the arc-shaped edge L to the surface to be cleaned at a predetermined height. The mop cover part 22d formed as described above forms a rear border and a rear edge which are symmetrical to the front edge 20a of the suction part main body 21. In addition, the fence part 22c prevents foreign substances wiped by the mop 30 from being thrown out of the suction part main body 21. That is, the foreign matter moved by the rotational force of the mop 30 is guided to the fence portion 22c is guided to the suction port (H). Therefore, the mop cover part 22d has a function of preventing the mop 30 from being exposed to the outside and preventing a safety accident, and also has a function of inducing foreign substances to the suction port H to increase the cleaning efficiency.

The impact mitigating means has an elastic member 50 which is installed in the suction unit body 21. The elastic member 50 is formed of, for example, a rubber material that is elastically deformed. The elastic member 50 protects the suction part main body 21 from impact due to the collision when the suction part main body 21 moves along the surface to be cleaned and collides with an obstacle such as a furniture or a wall and a threshold. Therefore, it is preferable that the elastic member 50 is installed on the front edge 20a of the suction part main body 21.

5 to 7, the suction unit assembly 20 according to another embodiment of the present invention includes a suction unit body 21 composed of a base member 24 and a lid member 22. The rear of the suction unit main body 21 is coupled to the connecting pipe (7), a pair of mop 30 is detachably mounted on the bottom surface of the base member 24, the suction unit main body 21 The rotary drive unit 40 for driving the pair of mops 30 at the same time has the same configuration as the suction unit assembly 20 of the above-described embodiment.

On the other hand, at the rear edge of the suction unit main body 21, a plurality of rolling rollers 25 are provided for reducing friction between the bottom surface of the suction unit main body 21 and the surface to be cleaned, and the rotary drive unit 40 is It includes a two-way rotary motor 43, a worm wheel gear 45, a transducer gear 47 for driving the mop 30. In addition, the rotation driving unit 40 may include a separate cover 49 provided to seal the bidirectional rotation motor 43, the worm wheel gear 45, and the converter gear 47 inside. On the other hand, the worm wheel gear 45 is coupled to the rotating body 41 formed on the bottom surface of the base member 24.

In the suction part assembly 20 according to the present exemplary embodiment, a first suction path 60 through which air is sucked is formed in the lower front of the base member 24, and the base member may be disposed with the rotation driving part 40 interposed therebetween. It is characterized in that a pair of second suction paths 70 are also formed behind the first suction path 60 to face the 24. On the other hand, a guide passage 77 for guiding the air sucked from these first and second suction passages 60 and 70 to be discharged through the rear connection pipe 7 is provided with the first and second suction passages 60. It is formed between the 70. Therefore, the pair of second suction passages 70 are located at the connection portion side of the suction unit body 21 and the connection pipe 7.

As illustrated, the first suction passage 60 includes a first partition wall 61 protruding from a lower surface of the base member 24 to a predetermined height and a base member 24 from an end of the first partition wall 61. And a first slit 62 formed in the bottom surface of the base member 24 to communicate with the guide passage 77 and the first suction port 64 formed in the bottom surface of the base member 24. The first discharge port 63 formed in the partition 61 is provided.

The guide passage 77 is partitioned by a pair of guide partition walls 75 protruding from the lower surface of the base member 24, and the upper surface is sealed by the cover 49 of the rotation driving unit 40. .

The second suction passage 70 is similar to the first suction passage 60, and a second partition wall 71 protruding from a lower surface of the base member 24 to a predetermined height and an end of the second partition wall 71. A second slit inlet formed by a second cover 72 extending from the rear of the lower case 24 to the guide partition wall 75 of the guide passage 77 and formed on the bottom surface of the base member 24. 79 and a second discharge port 73 formed in the guide partition wall 75 so as to communicate with the guide passage 77.

According to the suction unit assembly 20 according to the present invention having the configuration as described above, when the vacuum cleaner is operated, it is present on the surface to be cleaned by a strong suction force generated by a fan motor (not shown) provided in the cleaner body. Foreign matter, dust and the like are simultaneously sucked into the first and second suction ports 64 and 79 together with the air. The air containing the foreign matter sucked in this way flows into the guide passage 77 through the first and second outlets 63 and 73. Thereafter, the air introduced into the suction unit body 21 is guided by the guide passage 77 and discharged to the dust collecting chamber in the cleaner body through the extension pipe 7. At the same time, the mop 30 mounted on the bottom surface of the suction part main body 21 can be removed at a high speed by rotating at a high speed.

On the other hand, the user is cleaning while pushing and pulling back and forth the suction unit assembly 20, therefore, when the suction unit assembly 20 is moved toward the front foreign matter or dust through the first suction passage (60). Inhalation does not interfere with the rotation of the mop, even when the suction unit assembly 20 is moved to the rear, foreign matter or dust is sucked through the second suction path 70 to interfere with the rotation of the mop 30. It doesn't work.

At this time, the mop 30 is formed of a fiber member that can contain moisture on the inside, so that the user can also clean the mop as needed.

The structure of the suction part assembly having the first suction path 60 and the second suction path 70 as described above is a conventional suction part assembly which is not provided with the mop 30 and the rotary drive part 40 ( 1).

Although not shown, if the guide passage 77 is not connected by the rotary drive unit 40 but by a separate sealing means such as a cover member to be connected to the extension tube 7, the first suction unit may also be connected to the general suction unit assembly. Of course, the furnace 60 and the second suction passage 70 may be provided to improve the cleaning efficiency.

In addition, the suction unit assembly 20 according to the present embodiment, as in the above-described embodiment, the suction unit 20 is moved in accordance with the surface to be cleaned during the cleaning operation in case of collision with a certain obstacle An elastic member 50 may be further installed on the front edge of the sub assembly 20 as an impact mitigating means, and in view of the safety of the user from driving the mop, a mop cover portion 22d may be further installed. Do.

According to the suction part assembly of the vacuum cleaner according to the present invention as described above, by installing the shock-absorbing elastic member of the suction part body, it is possible to protect the suction part assembly from the collision of external obstacles. Therefore, the suction part assembly can be freely used, and thus, the cleaning operation is easy, and the suction part assembly can be prevented from being broken and broken to extend the life.

In addition, by providing a mop cover part in the suction unit body, it is possible to prevent a safety accident due to the mop rotated at a high speed, there is an advantage that can improve the cleaning efficiency by inducing foreign matters wiped by the mop to the suction port.

On the other hand, the dirt on the surface to be cleaned is sucked through the suction paths provided in front and rear of the suction unit assembly, so that when the suction unit assembly moves forward and backward along the cleaning target surface, it is possible to suck foreign substances in both directions of the suction unit body in both directions. Since the cleaning efficiency is improved.

In addition, when the mop is rotatably installed at the lower end of the suction part assembly, when the suction part assembly moves back and forth along the surface to be cleaned during the cleaning operation, the mop rotation does not interfere with foreign matter or dust, so that the mop is stable. It can secure the load and reduce the load of the rotary drive unit for driving the mop.

In the above, certain preferred embodiments of the present invention have been illustrated and described. However, the present invention is not limited to the above-described embodiment, and any person having ordinary skill in the art to which the present invention pertains may make modifications without departing from the gist of the present invention claimed in the claims. .

Claims (14)

A suction part body connected to the cleaner body through an extension tube and provided with a suction port to suck air containing dust and foreign substances from the surface to be cleaned; And a shock absorbing means for mitigating the impact when the suction part main body moves along the surface to be cleaned and collides with a predetermined obstacle. The method of claim 1, wherein the impact mitigating means, And a resilient member installed to surround an edge adjacent to the surface to be cleaned of the suction part main body. The method of claim 1, The elastic member is the suction part assembly of the vacuum cleaner, characterized in that installed to surround the front edge symmetrical to one side to which the extension tube of the suction unit body is coupled. The method of claim 2 or 3, The elastic member is a suction part assembly of the vacuum cleaner, characterized in that the adhesive is attached to the suction part body. In the suction part assembly of the vacuum cleaner comprising a suction part body connected to the cleaner body through an extension tube, the suction part is provided to suck the air containing dust and foreign matter from the surface to be cleaned, A first suction path formed in front of a lower end of the suction part main body and into which air containing dust is sucked; And a second suction path formed at a lower rear side of the suction part main body and into which air containing dust is sucked. The method of claim 5, And a guide passage formed between the first suction path and the second suction path to guide the air sucked therefrom through the extension pipe. The method of claim 6, And the second suction path includes a suction port formed on a lower surface of the suction part main body, and a discharge port formed on a side wall of the guide passage. The method of claim 7, wherein The second suction passage is formed in a pair of suction unit assembly of the vacuum cleaner, characterized in that each pair is formed on the left and right of the connection portion of the suction unit assembly and the extension tube. The method according to any one of claims 5 to 8, Mop is rotatably installed on the lower end of the suction unit body, the suction unit assembly of the vacuum cleaner, characterized in that the rotary drive unit for driving the mop is provided inside the suction unit body. The method of claim 9, The first suction path and the second suction path are respectively formed in front and rear of the lower part of the suction part main body with the rotary driving part interposed therebetween, and the guide passage is closed by an upper part of the vacuum cleaner. Inlet assembly. The method of claim 5, The suction unit assembly of the vacuum cleaner further comprises a shock-absorbing means for mitigating the impact when the suction unit body moves along the surface to be cleaned and hits a predetermined obstacle. The suction part body having a suction port for sucking air containing dust and foreign substances on the surface to be cleaned by the suction force generated when the driving motor of the cleaner body is driven, and to wipe off the foreign matter adhered to the cleaning surface adjacent to the suction port. In the suction unit assembly of the vacuum cleaner having a mop rotatably installed on the lower wall of the suction unit body, The vacuum cleaner comprising a mop cover part provided on the suction part main body to surround the outside of the mop and preventing a side edge of the mop contacting the surface to be cleaned to be exposed to the outside of the suction part main body. Inlet assembly. The method of claim 12, The mop cover part may include a cover part extending from the lower wall to cover an upper surface of the mop facing the lower wall of the suction part main body and having an arc-shaped edge corresponding to the shape of the mop; And a fence portion extending from the arc-shaped edge toward the surface to be cleaned to surround the side edge of the mop. The method according to claim 12 or 13, The suction unit assembly of the vacuum cleaner further comprises a shock-absorbing means for mitigating the impact when the suction unit body moves along the surface to be cleaned and hits a predetermined obstacle.