TWI626032B - Vacuum cleaner - Google Patents

Abstract

The invention relates to a vacuum cleaner. A vacuum cleaner according to one aspect includes: a cleaner body including a suction motor for generating a suction force; and a suction hose communicating with the cleaner body and sucking dust-containing air. The vacuum cleaner body includes: a body portion; a suction port and a dust container disposed in the body portion; air sucked in through the suction hose is introduced into the suction port, and the dust container includes a dust collection container; A storage space; and a cover member including a connecting member connected to the suction hose at one side thereof and selectively covering at least a part of the dust container. When the cover member covers one side of the dust container, the connecting members are aligned side by side with the air introduction direction in the suction port.

Description

Vacuum cleaner

This article discloses a vacuum cleaner.

Generally speaking, a vacuum cleaner is a device that uses a suction motor provided inside the vacuum cleaner body to suck dust, foreign matter, and the like existing on a surface to be cleaned, and then filters the dust and foreign matter inside the vacuum cleaner body.

Vacuum cleaners can be classified into upright vacuum cleaners and canister vacuum cleaners, where the nozzle of the upright vacuum cleaner is connected to the body of the vacuum cleaner to move along the body, and the nozzle of the canister vacuum cleaner is extended by a tube, a handle, A hose or the like is connected to the body of the vacuum cleaner.

In Korean Patent Publication No. 10-2012-0004100 (published on January 12, 2012) as a prior art document, a cylindrical vacuum cleaner is disclosed.

The vacuum cleaner disclosed in the prior art includes a suction motor provided in the body for generating a suction force, a dust separation device for separating dust and air sucked in by the suction force of the suction motor, and dust A collecting container in which dust separated from the dust separating device is collected.

The suction force of the suction motor introduces dust-containing air into the introduction tube provided in the body through the suction nozzle and the connection portion. Air is sucked into the inside of the dust separation device through the introduction pipe. During the flow through the interior of the dust separation device, the air sucked into the dust separation device is separated from the dust. The dust separated from the dust separation device is collected in a dust collection container by a dust discharge portion.

At the same time, the introduction pipe extends upward from the lower part of the dust separation device and the dust collection container toward the inlet of the dust separation device inside the body (see FIG. 3 of the prior art). Due to this structure, in the vacuum cleaner of the prior art, the sucked air flows through the introduction pipe, which is caused by friction Loss of flow. Therefore, there is a problem that the flow rate of the air introduced into the dust separation device is reduced, and the suction force of the vacuum cleaner is reduced.

An object to be solved by the present invention is to minimize the air loss in the cleaner body.

Another object of the present invention is to provide a vacuum cleaner capable of easily mounting a battery on a cleaner body.

Another object of the present invention is to support the cleaner body at two points through a moving wheel.

Another object of the present invention is to improve the operation stability of the cleaner body.

Another object of the present invention is to prevent the cleaner body from turning backwards.

In order to minimize the airflow loss inside the cleaner body, the vacuum cleaner according to one aspect includes a cleaner body and a suction hose. The cleaner body includes: a body portion; a suction port and a dust container disposed in the body portion; air sucked in through the suction hose is introduced into the suction port, and the dust container includes a device for collecting A storage space for dust; and a cover member including a connecting member connected to the suction hose at one side thereof and selectively covering at least a part of the dust container. When the cover member covers one side of the dust container, the connecting members are aligned side by side with the air introduction direction in the suction port.

A vacuum cleaner according to another aspect includes a vacuum cleaner body and a suction hose. The vacuum cleaner body includes: a suction port connected to the suction hose and a dust container, the dust container including a storage space for collecting dust introduced through the suction port; and a cover member , Which is coupled to the dust container. The cover member includes a connecting member that connects the suction hose and the dust container to each other. The air introduced into the suction port from the connecting member is guided downward and moves to the storage space.

A vacuum cleaner according to another aspect includes a vacuum cleaner body and a suction hose. The vacuum cleaner body includes a dust container including a suction port for introducing air; and a cover member coupled to the dust container. The cover member includes a connecting member, one side of the connecting member is connected to the suction hose, and the other side is connected to the suction port. The suction port is disposed on an upper surface portion of the dust container.

A vacuum cleaner according to another aspect includes: a vacuum cleaner body including a suction motor for generating a suction force; a suction hose communicating with the vacuum cleaner body and sucking dust-containing air; a dust container, It is mounted on the front surface of the cleaner body, a part of a front surface of the dust container is exposed to the outside; a cover member is rotatably mounted on the cleaner body and covers the dust container from above; a suction A port, which is opened to the dust container to be shielded by the cover member, and includes a passage through which dust-containing air sucked in through the suction hose is introduced into the dust container; and a connector, the The suction hose is connected to the connection member by forming the cover member leading to the same extension line as the suction port, and the connection member includes a passage extending to the suction port.

A first sealing portion is formed on an open end of the connecting member, and a second sealing portion formed in a shape corresponding to the first sealing portion is formed on an opening of the suction port facing the first sealing portion. end. When the cover member is closed to maintain airtightness between the connection member and the suction port, the first sealing portion and the second sealing portion are coupled to each other.

A first sealing portion formed to be inclined is formed on an open end of the connecting member, and a second sealing portion formed to be inclined at the same angle as the first sealing portion is formed on the pump facing the first sealing portion. An open end of the suction port. When the cover member is closed, the first sealing portion and the second sealing portion are in close contact with each other.

The first sealing portion and the second sealing portion may be formed to have an inclined surface whose lower end further protrudes toward a front side connected to the suction hose.

The first sealing portion and the second sealing portion may be made of an elastic material, and may be respectively mounted to the connecting member and the suction port.

The connector and the ends of the suction hose connected to the connector and the suction port may be aligned with each other on the same extension line.

The cover member can accommodate an upper portion of the dust container in a closed state, thereby being able to restrict the dust container.

A base portion extending forward to support the lower surface of the dust container from below is formed on the cleaner body. The dust container is restrained at the lower and upper ends by the base portion and the cover member, and may be exposed to the outside through between the base portion and the cover member.

A vacuum cleaner according to another aspect includes a cleaner body having a suction motor. The cleaner body includes a body portion; a moving wheel for moving the body portion; and a battery detachably disposed on the rear side of the body portion and capable of supplying power to the body portion. The body portion can be around the The rotation center of the moving wheel rotates, and when the battery is separated from the cleaner body, the center of gravity of the body portion is positioned forward with respect to a vertical line passing through the rotation center of the moving wheel.

The invention can minimize the air flow loss by reducing the resistance to the flowing air, because the connecting pieces are arranged side by side with the air introduction direction at the suction port of the dust container. As a result, the suction efficiency of the vacuum cleaner can be improved due to the reduction of the air flow loss.

In addition, since the dust container is exposed to the outside through the cover member, and the cover member covers only a part of the dust container, the user can easily confirm the amount of dust collected in the dust container.

In addition, since the first sealing portion formed at the end portion forming the connector on the cover member and the second sealing portion formed at the end portion forming the suction port in the dust container are formed to have inclined surfaces corresponding to each other, the first seal The portion and the second sealing portion have an air-tight structure in which the first sealing portion and the second sealing portion do not interfere with each other, and are in close contact with each other when the cover member is rotated.

In particular, the first sealing portion and the second sealing portion are made of an elastic material and can be pressed to be fixed to each other. In a state where the cover member is closed, since the first sealing portion and the second sealing portion can be pressed and brought into close contact with each other, the air introduced into the suction port through the connection member does not leak, thereby improving the suction of the vacuum cleaner. performance.

In addition, since the sealing member is provided between the connector and the suction port of the dust container, the airtightness between the connector and the dust container can be ensured.

In addition, since the distance between the suction port and the suction hose at the end of the dust container is relatively short, it is advantageous to ensure the space inside the vacuum cleaner body.

In addition, since the suction hose, the connector, and the suction port can be aligned with each other on the same extension line, the flow resistance can be minimized in the flow of air discharged from the suction hose and flow in the suction port .

In addition, since the end of the suction hose is inserted into the inside of the connection member and extends to a position adjacent to the suction port, the air discharged from the suction hose can be effectively introduced into the suction port.

In the vacuum cleaner of the present invention, since the center of gravity of the battery is located forward and is rotated forward with the battery separated from the body portion, the battery can be easily coupled from the cleaner body.

In addition, since the cleaner body is supported at two points by a pair of moving wheels, the cleaner body can be easily moved over obstacles such as thick carpets and blankets.

In addition, since the installation position of the battery is located on the lower side of the cleaner body, the center of gravity of the cleaner body is moved downward, so that the operation stability of the cleaner body can be improved.

In addition, since the support portion is provided on the rear side of the body portion, it is possible to prevent the body portion from being turned backward.

The details of one or more embodiments are set forth in the accompanying drawings and the description below. Other features will be apparent from the description and drawings and the scope of the patent application.

1‧‧‧Vacuum cleaner

10‧‧‧Vacuum cleaner body

13‧‧‧Connecting members

20‧‧‧ Suction device

21‧‧‧Suction section

22‧‧‧handle (connection part)

23‧‧‧Suction hose (connection)

24‧‧‧ extension tube (connection part)

102‧‧‧moving wheel

104‧‧‧Grip

106‧‧‧ Battery

108‧‧‧ base

110‧‧‧Body

120‧‧‧ Dust container

124‧‧‧ Suction port

125‧‧‧Second Space Department

126‧‧‧Second Sealing Section

130‧‧‧ cover member

134‧‧‧Connector

134a‧‧‧First Step

134b‧‧‧Second Step

135‧‧‧First Space Department

136‧‧‧first seal

231‧‧‧First fitting part

232‧‧‧Second fitting section

233‧‧‧ Third fitting part

1000‧‧‧Vacuum cleaner body

1103‧‧‧Connector

1105‧‧‧ Dust container

1107‧‧‧Battery coupling section

1110‧‧‧Body

1120‧‧‧moving wheel

1130‧‧‧battery

1131‧‧‧ cover

1140‧‧‧Rear wheel unit

1142‧‧‧Auxiliary wheel

1144‧‧‧ extension

1146‧‧‧Rotary shaft

1150‧‧‧Elastic member

1152‧‧‧End

1153‧‧‧ the other end

1160‧‧‧Suction device

B‧‧‧ lower surface

F‧‧‧Suction flow path

G‧‧‧ bottom surface

θ‧‧‧ angle

V‧‧‧ vertical line

S‧‧‧ Battery insertion direction

The embodiment will be described in detail with reference to the following drawings, wherein the same reference numerals denote the same elements, and wherein: FIG. 1 is a perspective view of a vacuum cleaner according to an embodiment of the present invention; A diagram showing a state separated from the suction device; FIG. 3 is a diagram showing a state where the dust container of FIG. 2 is separated from a main body; FIG. 4 is a perspective view showing a cover member of the cleaner body when it is opened; FIG. 4 is a longitudinal sectional view of FIG. 4; FIG. 6 is a perspective view showing a cover member of the cleaner body when closed; FIG. 7 is a longitudinal sectional view of FIG. 6; and FIG. 8 is a view showing a suction device coupled to the cleaner body Fig. 9 is a longitudinal sectional view of Fig. 8; Fig. 10 is a diagram showing a state where the body portion of the cleaner body according to another embodiment of the present invention is inclined forward; Fig. 11 is a diagram showing 12 is a diagram showing a configuration of a support portion according to another embodiment of the present invention; FIG. 13 is a diagram sequentially showing a state in which a battery and a vacuum cleaner body are coupled; and 14 Picture Series Sequence showing battery and a state separated from the cleaner body.

Hereinafter, some embodiments of the present invention will be described in detail with reference to the accompanying drawings. When attaching reference numerals to components in various drawings, it should be noted that even if the same components are shown in different drawings, the same components should be marked with the same reference symbols as much as possible.

Further, in describing elements of the embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish these elements from others, And the terms do not limit the nature, order, or sequence of these elements. Where an element is described as being "attached", "coupled" or "connected" to another element, although the element may be directly attached or connected to the other element, it should be understood that the other element may be separately "Attached", "coupled", or "connected" between the elements.

FIG. 1 is a perspective view showing a vacuum cleaner according to an embodiment of the present invention.

Referring to FIG. 1, a vacuum cleaner 1 according to an embodiment of the present invention includes a cleaner body 10 and a suction device 20.

The cleaner body 10 includes a suction motor for generating a suction force. When the suction motor is driven to generate a suction force, the suction device 20 can guide dust-containing air to the cleaner body 10.

The suction device 20 may include: a suction portion 21 for sucking dust on a surface to be cleaned (for example, a floor surface); and connection portions 22, 23, and 24 for connecting the suction portion 21 to the cleaner body 10 . The connecting portions 22, 23, 24 may include an extension tube 24 connected to the suction portion 21, a handle 22 connected to the extension tube 24, and a suction hose 23 connecting the handle 22 to the cleaner body 10.

The cleaner body 10 includes a body portion 110 forming an overall appearance.

The cleaner body 10 may further include a moving wheel 102 rotatably coupled to the body part 110. A pair of moving wheels 102 may be provided and the pair of moving wheels 102 may be respectively coupled to both sides of the body portion 110.

The body portion 110 may include a grip portion 104 for a user to grasp. The user can grasp the holding portion 104 when lifting or tilting the body portion 110.

The cleaner body 10 may further include a battery 106 for supplying power.

The battery 106 may be detachably coupled to the body portion 110. In the case where the battery 106 is coupled to the body portion 110, the battery 106 can be integrated with the body portion 110. Therefore, the battery 106 moves together with the body portion 110.

The battery 106 can provide power required for all operations of the vacuum cleaner 1. The battery 106 may be a secondary battery capable of being charged and discharged. A power cord (not shown) for providing commercial power may be separately connected to the battery 106.

The cleaner body 10 further includes a dust container 120 that stores dust sucked in by the suction device 20. Although the dust container 120 may have a cylindrical shape as shown, the shape of the dust container 120 is not limited thereto.

The dust container 120 may have a suction port 124 through which dust is sucked. The suction port 124 may be provided on an upper surface portion of the dust container 120 as shown. Therefore, the air introduced into the suction port 124 is guided downward and moved to the storage space.

The dust container 120 may be detachably mounted on the body portion 110. A storage space for collecting dust introduced into the suction port 124 may be formed inside the dust container 120.

The dust container 120 may be disposed on the front side of the body portion 110, and a side surface portion of the dust container 120 may be made at least partially of a transparent material, so that a user confirms the dust collected in the storage space.

The vacuum cleaner 1 may include a dust separation section (not shown) for separating dust and air sucked in the suction device 20 from each other. The dust separation part may be manufactured as an object separate from the dust container 120 or may form a module with the dust container 120. For example, the dust separation part may be provided inside the dust container 120, and the dust separated from the dust separation part may be collected on the lower side of the dust container 120.

Fig. 2 is a diagram showing a state where the cleaner body and the suction device of Fig. 1 are separated from each other; and Fig. 3 is a diagram showing a state where the dust container and the body portion of Fig. 2 are separated.

Referring to FIGS. 2 and 3, the cleaner body 10 may include a connection member 134 connected to the suction device 20. The connection piece 134 is directly connected to the suction hose 23 so that dusty air can be introduced therein. In other words, one side of the connection piece 134 is coupled to the suction hose 23 and the other side thereof is coupled to the suction port 124. Therefore, the connection piece 134 connects the suction hose 23 and the suction port 124 to each other.

The connection member 134 may communicate with the dust container 120. Therefore, the air introduced into the suction hose 23 can be introduced into the dust container 120 through the connection member 134.

The suction port 124 may be disposed on one side of the dust container 120, and dust is introduced by suctioning the suction port 124. As shown, the suction port 124 may be provided on an upper portion (or an upper surface portion) of the dust container 120.

In addition, the suction port 124 may be formed to face the front side. Here, the front side refers to a portion where the suction hose 23 is located with respect to the cleaner body 10.

In addition, as shown in the figure, the connecting member 134 may be provided at an upper portion of the dust container 120. Since the suction port 124 and the connection member 134 are both provided on the upper portion of the dust container 120, the length of the flow path of the air introduced from the suction hose 23 can be minimized.

The suction hose 23 may include fitting portions 231, 232, and 233 for improving air tightness when coupled with the connecting member 134.

The fitting portions 231, 232, and 233 can connect and disconnect the suction hose 23 to and from the connection member 134. As shown, the fitting portions 231, 232, and 233 may be formed in multiple steps.

The fitting portions 231, 232, and 233 may include a first fitting portion 231, a second fitting portion 232, and a third fitting portion 233. The first fitting portion 231 and the second fitting portion 232 are inserted into the connector 134. Therefore, the first fitting portion 231 and the second fitting portion 232 are collectively referred to as an insertion portion, and may be referred to as a first insertion portion and a second insertion portion, respectively. The third fitting portion 233 is provided outside the connecting member 134. The third fitting portion 233 may be in contact with an end portion of the connecting member 134 to limit the insertion depth of the insertion portion.

The cleaner body 10 further includes a cover member 130 movably provided in the body portion 110.

The cleaner body 10 may further include a connection member 13 that connects the cover member 130 and the body portion 110 to each other. For example, the cover member 130 may be rotatably connected to the body portion 110 through the connection member 13.

The cover member 130 may include a connector 134. Therefore, the connection piece 134 can be moved together with the cover member 130.

The cover member 130 may shield at least one side of the dust container 120. The cover member 130 may shield at least one side of the dust container 120 and may be coupled with the dust container 120. The cover member 130 can be coupled to the dust container 120 when the cover member 130 is closed, and separated from the dust container 120 when the cover member 130 is opened.

For example, the cover member 130 may be coupled to an upper portion of the dust container 120.

The dust container 120 may be separated from the main body portion 110 as shown in FIG. 3.

The body portion 110 may include a base portion 108 on which the dust container 120 is seated. The base portion 108 may be provided at a lower portion of the dust container 120 as shown. The base portion 108 may form a coupling portion (not shown) for coupling with a lower surface portion of the dust container 120.

Meanwhile, a lower surface portion of the dust container 120 may be referred to as one side of the dust container 120, and an upper surface portion of the dust container 120 may be referred to as the other side of the dust container 120. Since the cover member 130 is coupled to the dust container 120 from the upper side of the dust container 120, the cover member 130 can be seen to be provided on the side opposite to the base portion 108.

The state in which the cover member 130 is opened and the state in which the cover member 130 is closed will be described in detail below.

FIG. 4 is a perspective view when the cover member of the cleaner body is opened; FIG. 5 is a longitudinal sectional view of FIG. 4; 6 is a longitudinal sectional view.

Referring to FIGS. 4 to 7, when the cover member 130 is opened, the user grasps the holding portion 104 and lifts the cover member 130 upward or rotates the cover member 130 backward. On the other hand, when the cover member 140 is closed, the user can lower the cover member 130 or rotate the cover member 130 forward.

With the cover member 130 opened, the user can take out the dust container 120 to the outside. At this time, the suction port 124 of the dust container 120 is exposed to the outside.

When the cover member 130 is closed, at least one side of the dust container 120 is shielded by the cover member 130. When one side of the dust container 120 is shielded by the cover member 130, the suction port 124 is also shielded by the cover member 130.

However, since the cover member 130 does not shield the side surface portion of the dust container 120, the side surface portion of the dust container 120 is exposed to the outside. Therefore, since the side surface portion of the dust container 120 is at least partially made of a transparent material, the user can visually confirm the amount of dust collected in the storage space inside the dust container 120.

When the suction port 124 is shielded by the cover member 130, the suction port 124 is in contact with an outlet portion of the connection piece 134. Therefore, the connecting member 134 is in communication with the suction port 124. At this time, the connecting members 134 may be aligned side by side with the air introduction direction in the suction port 124.

The first space portion 135 is formed inside the connecting piece 134, and the second space portion 125 is formed inside the suction port 124. When the cover member 130 is closed, the first space portion 135 and the second space portion 125 space portions are directly connected to each other.

Meanwhile, when the cover member 130 is closed, the rear end of the connection member 134 and the front end of the suction port 124 are in close contact with each other to be air-tight, and the air passing through the connection member 134 does not leak to the outside, and all the air can It is introduced into the inside of the dust container 120.

Hereinafter, it will be described in more detail. For convenience of explanation, a direction in which the suction hose 23 is connected (the left side in FIG. 5) is referred to as a forward direction, and a direction in which the dust container 120 is in contact (the right side in FIG. 5) is referred to as a rear direction.

When the cover member 130 is closed, the opened rear end of the connection member 134 can extend to the inside of the cover member 130 and to a position corresponding to the opened front end of the suction port 124.

The first sealing portion 136 may be formed at a rear end of the connection member 134, and the second sealing portion 126 may be formed at a front end of the suction port 124. The first sealing portion 136 and the second sealing portion 126 may be formed into corresponding shapes at positions facing each other, and may be configured to be in close contact with each other and coupled to each other when the cover member 130 is closed.

More specifically, the first sealing portion 136 may be formed to be inclined, and may be inclined forward in a downward direction. The second sealing portion 126 may be inclined in the same direction as the first sealing portion 136 and may also be inclined forward in a downward direction.

Meanwhile, the directions of the inclined surfaces of the first sealing portion 136 and the second sealing portion 126 may be formed to correspond to a rotation direction in which the cover member 130 is opened and closed. The directions of the inclined surfaces of the first sealing portion 136 and the second sealing portion 126 may be formed as tangents corresponding to the rotation radius of the cover member 130.

In other words, in order for the first seal portion 136 and the second seal portion 126 to be in a position spaced apart from the center of rotation of the cover member 130 when the cover member 130 is rotated so that they closely contact each other and slide naturally with each other, The rotation center is located at the rear end of the cover member 130, and when the cover member 130 is rotated, the inclined surfaces of the first sealing portion 136 and the second sealing portion 126 may be formed to have the same inclined surface as the tangent of the rotation radius of the cover member 130.

When the cover member 130 is rotatably operated to be closed through the bevel structure of the first sealing portion 136 and the second sealing portion 126, the cover member 130 can be effectively air-tight without the connection member 134 and the suction port 124 interfering with each other.

The inside of the connecting piece 134 and the inside of the suction port 124 may form a first space portion 135 and a second space portion 125, respectively. At this time, the rear end of the first space portion 135 and the front end of the second space portion 125 may have sizes corresponding to each other. The first sealing portion 136 and the second sealing portion 126 may be formed to have the same inclined surface. Therefore, the first space portion 135 and the second space portion 125 can have a completely connected structure in a state where the cover member 130 is closed.

When the connecting member 134 and the suction port 124 are formed, the first sealing portion 136 and the second sealing portion 126 may be formed together. In other words, the first sealing portion 136 and the second sealing portion 126 may be made of a plastic material, respectively, and may be integrally formed with the connecting member 134 and the suction port 124.

If necessary, a sealing member for airtightness may be mounted on the first sealing portion 136 and the second sealing portion 126. The sealing member may be formed around the open end portions of the first sealing portion 136 and the second sealing portion 126 and may be mounted on at least one of the first sealing portion 136 and the second sealing portion 126. The sealing member may be made of a material having elasticity such as rubber, silicone, and sponge. Therefore, when the cover member 130 When closed, compression of the sealing member can provide complete airtightness between the first sealing portion 136 and the second sealing portion 126. In addition, elasticity is provided when the cover member 130 is closed or opened, thereby reducing an impact when the cover member 130 is closed, and when the cover member 130 is opened, an initial rotation is easily performed.

Of course, if necessary, the first sealing portion 136 and the second sealing portion 126 may be made of a separate material having elasticity. In other words, the first sealing portion 136 and the second sealing portion 126 are made of elastic materials such as rubber, silicone, and sponge, respectively, and are then fixedly installed at the rear end of the connecting member 134 and the front end of the suction port 124.

At this time, the first sealing portion 136 and the second sealing portion 126 may be installed to be inclined, or the surfaces in contact with each other may be formed to be inclined. The first and second sealing portions 136 and 126 having elasticity may be formed to have a predetermined thickness to compress each other in a state where the cover member 130 is closed. Since the first sealing portion 136 and the second sealing portion 126 are made of an elastic material, the first sealing portion 136 and the second sealing portion 126 can be completely airtight, and the impact of the cover member 130 when it is opened and closed can be reduced and Easy to open.

In a case where the first sealing portion 136 and the second sealing portion 126 are made of an elastic material, when the cover member 130 is closed, the first sealing portion 136 and the second sealing portion 126 are in close contact with each other while being pressed against each other. Therefore, the first sealing portion 136 and the second sealing portion 126 can contact each other in a compressed state in a state where the cover member 130 is closed, and can further improve the airtight performance between the connection member 134 and the suction port 124.

Hereinafter, a case where the suction hose 23 is attached to the connection member 134 will be described.

FIG. 8 is a perspective view showing a state where the suction device is coupled to the cleaner body; FIG. 9 is a longitudinal sectional view of FIG. 8.

8 and 9, the suction hose 23 is connected to the connection member 134. The front end (left side in FIG. 9) of the connection piece 134 connected to the suction hose 23 can be defined as an inlet portion and the rear end (right side in FIG. 9) of exhausted air can be defined as an outlet portion. The outlet portion of the connector 134 and the suction port 124 face each other and can contact each other.

At this time, the exit portion of the connecting member 134 can communicate with the suction port 124. The first sealing portion 136 of the connecting member 134 and the second sealing portion 126 of the suction port 124 are in contact with each other, and the connecting member 134 and the suction port 124 can be completely communicated with each other.

Specifically, the air discharged from the suction hose 23 may be introduced into the dust container 120 through the first space portion 135 and the second space portion 125 in this order. A flow path from the first space part 135 and the second space part 125 to the dust container 120 may be defined as a suction flow path F.

As shown, the suction flow path F is introduced into the suction port 124 from the connection member 134 and then guided downward to the storage space.

The suction flow path F may be divided into a first flow path defined in the first space portion 135 and a second flow path defined in the second space portion 125.

When the connection piece 134 and the suction port 124 are connected to each other, the first space portion 135 and the second space portion 125 are connected to each other, thereby forming a flow path in which the first flow path and the second flow flow path are connected to each other.

In this state, the flow path is linearly connected through the close contact of the first sealing portion 136 and the second sealing portion 126, and the suction hose 23 is also linearly connected to the connecting member 134, so that the Air can flow linearly toward the dust container 20 at the shortest distance.

As described above, the airtightness between the suction hose 23 and the connector 134 can be maintained by the fitting portions 231, 232, and 233.

The first fitting portion 231, the second fitting portion 232, and the third fitting portion 233 may each have a gradually increasing diameter in this order. Therefore, a step can be formed between the first fitting portion 231 and the second fitting portion 232, and a step can be formed between the second fitting portion 232 and the third fitting portion 233.

The first fitting portion 231 and the second fitting portion 232 are inserted into the first space portion 135.

The connector 134 may have stepped portions 134a, 134b. At least a part of the fitting portions 231, 232, and 233 may be sandwiched by the step portions 134a, 134b to limit the insertion range. In addition, the stepped portions 134 a and 134 b are in surface contact with the fitting portions 231, 232 and 233 to improve the airtightness between the fitting portions 231, 232 and 233 and the first space portion 135.

The stepped portions 134a, 134b may include a first stepped portion 134a and a second stepped portion 134b.

The first stepped portion 134 a may be provided in the first space portion 135. An end portion of the second fitting portion 232 may be in contact with the first stepped portion 134a.

The second stepped portion 134 b may be provided on an outer side of the connection piece 134. An end portion of the third fitting portion 233 may be in contact with the second stepped portion 134b.

The suction hoses 23 may be aligned with the air flow direction in the first space portion 135. Therefore, the resistance of the air discharged from the suction hose 23 and flowing to the first space portion 135 is reduced.

As described above, in the vacuum cleaner 1 of the present invention, since the suction hose 23, the connector 134, and the suction port 124 are lined up, the resistance of the air discharged from the suction hose 23 is minimized. The stepped portion 134 a of the suction hose 23 can be extended to a position adjacent to the suction port 124 in a state where it is inserted into the connector 134. Therefore, the suction hose 23 may be in a state of being aligned with the suction port 124 inside the connecting member 134. Therefore, the air discharged from the suction hose 23 can directly flow to the suction port 124.

In addition, the first sealing portion 136 and the second sealing portion 126 formed on the connecting piece 134 and the suction port 124 can be in close contact with each other in an inclined state to effectively maintain an airtight state. Therefore, leakage of gas can be prevented.

Therefore, it is possible to minimize the loss of the air flow rate inside the cleaner body 10, and therefore, it is possible to improve the suction efficiency of the cleaner 1.

In addition to the embodiments described above, various other embodiments of the present invention will be possible.

Except for some configurations, the configuration of another embodiment of the present invention will be the same as the configuration of the above embodiment, and the same name will be used for the same configuration, and a detailed description thereof will be omitted.

FIG. 10 is a diagram showing a state in which the body portion of the cleaner body is inclined forward according to another embodiment of the present invention; FIG. 11 is a diagram showing a state in which the body portion is inclined backward; A configuration diagram of a support portion according to another embodiment.

10 to 12, the cleaner body 1000 includes a body portion 1110, a moving wheel 1120, and a battery 1130.

The body portion 1110 may include a dust container 1105 for storing dust sucked in through the suction device 1160. A pair of moving wheels 1120 may be respectively coupled to both sides of the body portion 1110. The battery 1130 may be detachably coupled to the body portion 1110.

With respect to the vertical line V passing through the rotation center of the moving wheel of the cleaner body 1000, a portion provided by the connector 1103 may be defined as a front side, and a portion provided by the battery 1130 may be defined as a rear side. In addition, the case where the main body portion 1110 rotates on the front side means that the main body portion 1110 rotates counterclockwise in the figure (see FIG. 10), and the case where the main body portion 1110 rotates on the rear side means that the main body portion 1110 follows Turn clockwise in the figure (see Figure 11).

The cleaner body 1000 may further include a driving portion for driving the moving wheel 1120. The cleaner body 1000 may control the driving of the moving wheel 1120 through the control part according to the sensing information of the sensing part, and the sensing part senses the movement of the cleaner body 1000.

In a case where the sensing portion is in an OFF state, the moving wheel 1120 may not be driven. In this case, the body portion 1110 is inclined according to the position of the center of gravity. For example, when the center of gravity of the main body portion 1110 is located on the front side of the vertical line V passing the rotation center of the moving wheel 1120, the main body portion 1110 tilts forward as shown in FIG. 10; and when the center of gravity of the main body portion 1110 is located on the vertical line V At the rear side, the main body portion 1110 tilts backward as shown in FIG. 11.

When the sensing portion is opened, the control portion may control the driving of the moving wheel 1120 so that the center of gravity of the body portion 1110 is located on a vertical line V passing through the rotation center of the moving wheel. In this case, the lower surface B of the body portion 1110 may be spaced from the bottom surface G, as shown in FIG. 11.

The cleaner body 1000 may further include a rear wheel unit 1140. The rear wheel unit 1140 is provided on the rear side of the lower surface of the body portion 1110 and may have a function for restricting an angle at which the body portion 1110 is inclined backward.

The rear wheel unit 1140 may further include an extension portion 1144. The auxiliary wheel 1142 may be rotatably connected to one side of the extension portion 1144. The other side of the extension portion 1144 is rotatably connected to the body portion 1110 by a rotation shaft 1146. The extension portion 1144 can be rotated upward or downward within a range of a-a '.

The rear wheel unit 1140 may further include an elastic member 1150. For example, the elastic member 1150 may be a torsion spring. An end portion 1152 of the elastic member 1150 can be supported by the body portion 1110, and the other end 1153 of the elastic member 1150 can be supported by the extension portion 1144. The elastic member 1150 may apply an elastic force to cause the extension portion 1144 to rotate in a clockwise direction in the figure.

When the body portion 1110 is tilted forward as much as possible, the front side portion of the lower surface B of the body portion 1110 can be brought into contact with the bottom surface G. Therefore, the maximum rotation angle of the body portion 1110 can be restricted in the forward direction.

In contrast, when the body portion 1110 is tilted backward, the rear wheel unit 1140 can be brought into contact with the bottom surface G. Therefore, the maximum rotation angle between the main body portion 1110 and the rear side can be restricted. Therefore, it is possible to prevent the body portion 1110 from being turned forward or backward.

When the body portion 1110 is rotated backward as much as possible, the lower surface B of the body portion 1110 may form a predetermined angle with the bottom surface G. At this time, an angle between the lower surface B and the bottom surface G of the body portion 1110 may be about 17 ° to 20 °.

The battery 1130 may include a cover 1131. The cover 1131 may be exposed to the outside in a state where the battery 1130 is mounted on the body portion 1110. Therefore, the cover 1131 can form at least the appearance of the body portion 1110. portion. In addition, the user can separate the battery 1130 from the body portion 1110 or couple the battery 1130 to the body portion 1110 without disassembling the body portion 1110.

Hereinafter, a process of connecting and detaching the battery 1130 from the body portion 1110 will be described in detail. However, the following description is limited to the case where the center of gravity of the main body portion 1110 is positioned forward when the battery 1130 is removed from the main body portion 1110, and the center of gravity of the main body portion 1110 is located on the rear side when the battery 1130 is coupled to the main body portion 1110. .

FIG. 13 is a diagram sequentially showing a state where the battery and the cleaner body are coupled.

FIG. 13 (a) is a diagram showing a state where the battery 1130 is separated from the main body portion 1110; FIG. 13 (b) is a diagram showing a state where the battery 1130 is coupled with the main body portion 1110; and FIG. 13 (c) It is a figure which shows the state which the main-body part 1110 inclines backward.

The body portion 1110 is formed with a battery coupling portion 1107 to which the battery 1130 is coupled. The battery coupling portion 1107 may be formed by pressing a part of the body portion 1110.

The battery coupling portion 1107 is formed on the lower side of the body portion 1110 such that the battery 1130 is coupled to the lower side of the body portion 1110. For example, in a state where the battery 1130 is mounted on the body portion 1110, the center of gravity of the battery 1130 may be located below the rotation center of the moving wheel 1120.

Therefore, when the battery 1130 is coupled to the body portion 1110, since the center of gravity of the body portion 1110 can be moved downward, the operation stability of the cleaner body 1000 can be improved.

Although the running stability is improved when the battery 1130 is coupled to the lower side of the body portion 1110, since the battery 1130 must be coupled to the lower side of the body portion 1110, the user may be uncomfortable due to the coupling of the battery 1130.

However, in a state where the battery 1130 is separated from the main body portion 1110, the center of gravity of the main body portion 1110 may be located on the front side of the vertical line passing through the center of the moving wheel 1120. Therefore, when the battery 1130 is separated from the main body portion 1110, the main body portion 1110 can tilt forward with respect to the moving wheel 1120.

When the main body portion 1110 is inclined forward, the front portion of the lower surface of the main body portion 1110 is in contact with the bottom surface, and the battery coupling portion 1107 is inclined upward at this time. Therefore, the user can easily assemble the battery 1130.

The battery 1130 may be coupled to the body portion 1110 in an oblique direction through a coupling guide provided in the battery coupling portion 1107. Specifically, the insertion direction S of the battery 1130 may form an acute angle with the vertical line V and the bottom surface, respectively. Therefore, in a case where the front portion of the lower surface of the body portion 1110 is in contact with the bottom surface, the insertion direction S of the battery 1130 forms an acute angle with the bottom surface.

When the battery 1130 is coupled to the body portion 1110, the center of gravity of the body portion 1110 can be moved backward. In other words, the center of gravity of the body portion 1110 may be located behind the vertical line passing through the center of the moving wheel 1120 in a state where the battery 1130 is coupled to the body portion 1110.

In other words, when the battery 1130 is coupled to the body portion 1110, the body portion 1110 can be tilted backward with respect to the moving wheel 1120. At this time, the rear wheel unit 1140 selectively contacts the bottom surface. At this time, the lower surface B of the body portion 1110 and the bottom surface G form a predetermined angle θ.

FIG. 14 is a diagram sequentially showing a state where the battery and the cleaner body are separated.

Specifically, FIG. 14 (a) is a diagram showing a state before the battery 1130 is separated from the body portion 1110, and FIG. 14 (b) is a diagram showing a state where the battery 1130 is separated from the body portion 1110.

In order to separate the battery 1130 from the main body portion 1110, the user can tilt the main body portion 1110 by directly applying a force to the main body portion 1110. Next, the user is able to separate the battery 1130 in a direction opposite to the insertion direction S.

When the battery 1130 is separated from the body portion 1110, the center of gravity of the body portion 1110 moves forward again. Therefore, the main body portion 1110 can maintain a forward tilted state.

As described above, in the vacuum cleaner of the present invention, in a state where the battery 1130 is mounted on the body portion 1110, the body portion 1110 is rotated backward so that the lower surface portion of the body portion 1110 is separated from the bottom surface. In other words, the body portion 1110 can be supported at two points through the moving wheel 1120 during movement. In this case, the cleaner body 1000 can more easily move over obstacles, and since the running friction force acting on the moving wheels 1120 is reduced, the user can reduce the labor required to move the cleaner body 1000.

Even in a case where the battery 1130 is separated from the body portion 1110, since the center of gravity of the body portion 1110 moves forward and the body portion 1110 rotates forward, the battery coupling portion 1107 provided on the lower rear side of the body portion 110 rises. Therefore, the user can easily couple the battery 1130 to the battery coupling portion 1107.

Claims (16)

A vacuum cleaner includes: a vacuum cleaner body including a suction motor for generating a suction force; a dust container detachably provided on a front surface of the vacuum cleaner body, and a part of the front surface thereof is exposed to the outside, Allows the user to confirm the dust collected in the dust container; a suction hose communicating with the dust container and sucking dust-containing air; a suction port provided on the upper portion of the dust container and opened in a forward direction The suction port includes a passage through which dust-containing air sucked through the suction hose is introduced into the interior of the dust container; a cover member is rotatably mounted on an upper portion of the cleaner body to selectively The dust container is coupled to the dust container and shields the upper part of the dust container and the suction port; and a connecting member is connected to the suction hose by forming an open manner, and is provided on the front side of the cover member and connected to the suction member. The suction port faces, wherein when the cover member covers the upper part of the dust container, the connecting member and the suction port are aligned in the same front-rear direction as the air introduction direction. . The vacuum cleaner according to item 1 of the patent application scope, wherein the connecting member includes an inlet portion and an outlet portion, air is introduced from the suction hose to the inlet portion, and air is discharged from the outlet portion, and among them When the cover member shields the dust container, the rear end of the outlet portion of the connector is in contact with the front end of the suction port. The vacuum cleaner according to item 2 of the scope of patent application, wherein a sealing member for maintaining airtightness is provided between the outlet portion of the connecting member and the suction port. The vacuum cleaner according to item 1 of the scope of the patent application, wherein the connecting member is aligned side by side with the introduction direction of the air introduced through the suction hose. The vacuum cleaner according to item 1 of the scope of patent application, wherein a fitting portion for maintaining airtightness with the connecting member is provided in the suction hose, and wherein at least a part of the fitting portion is inserted into The connector. According to the vacuum cleaner described in Item 5 of the scope of patent application, a stepped portion is provided inside the connecting member, and the stepped portion restricts an insertion range of the fitting portion by contacting with a part of the fitting portion. The vacuum cleaner according to item 1 of the scope of patent application, further comprising: a connecting member for rotatably connecting the cover member to the body portion. The vacuum cleaner according to item 1 of the scope of patent application, wherein a grip portion for a user to grip is provided in the cover member. The vacuum cleaner according to item 1 of the scope of patent application, wherein a base portion is provided in the main body portion, the dust container is seated in the base portion, and the dust container is covered by the cover member when the dust member Confined between the base portion and the cover member. According to the vacuum cleaner described in item 1 of the patent application scope, wherein the air introduced into the suction port from the connecting member is guided downward and moved to the storage space. The vacuum cleaner according to item 1 of the scope of patent application, wherein a first sealing portion is formed on an open end of the connecting member, and a second sealing portion is formed in a shape corresponding to the first sealing portion. Formed at an open end of the suction port facing the first seal portion, and wherein the first seal portion is closed when the cover member is closed to maintain airtightness between the connection member and the suction port And the second sealing portion are coupled to each other. The vacuum cleaner according to item 1 of the scope of patent application, wherein a first sealing portion formed to be inclined is formed on an open end of the connecting member, and a first sealing portion formed to be inclined at the same angle as the first sealing portion is formed. A second sealing portion is formed at an open end of the suction port facing the first sealing portion, and wherein the first sealing portion and the second sealing portion are in close contact with each other when the cover member is closed. The vacuum cleaner according to item 12 of the scope of the patent application, wherein the first sealing portion and the second sealing portion are formed to have an inclined surface whose lower end further protrudes toward a front side connected to the suction hose. The vacuum cleaner according to item 12 of the scope of patent application, wherein the first sealing portion and the second sealing portion are made of an elastic material and are respectively mounted to the connecting member and the suction port. The vacuum cleaner according to item 1 of the scope of patent application, wherein the inclined surfaces of the first sealing portion and the second sealing portion are formed to have the same inclined surface as a tangent to a rotation radius of the cover member. The vacuum cleaner according to item 1 of the scope of patent application, wherein a base portion extending forward to support the lower surface of the dust container from below is formed on the cleaner body, and wherein the dust container is covered at the lower and upper ends. The base portion and the cover member are restrained, and are exposed to the outside through the space between the base portion and the cover member.