WO2021246631A1

WO2021246631A1 - Vacuum cleaner

Info

Publication number: WO2021246631A1
Application number: PCT/KR2021/004127
Authority: WO
Inventors: 강훈; 권기환; 김경웅; 김동준; 하동우
Original assignee: 삼성전자주식회사
Priority date: 2020-06-01
Filing date: 2021-04-02
Publication date: 2021-12-09
Also published as: KR20210148607A

Abstract

A vacuum cleaner of the present invention may comprise: a cleaner body including a battery; and a suction head connected to the cleaner body so as to suction foreign substances on a cleaning surface and guide the foreign substances to a collection chamber. The suction head may comprise: a housing having a suction port; a connector module which is disposed on one side of the housing and includes a connector to which power is supplied from the battery; a motor module which is provided so as to be separable from the connector module and includes a plug electrically connected to the connector; a cylindrical drum body which is rotatably installed inside the housing such that the foreign substances are suctioned into the housing through the suction port and in which the motor module is accommodated along the direction of the rotational axis such that the drum body is rotated by the motor module; and a drum brush module including a brush formed on the outer circumferential surface of the drum body. The drum brush module may be detachably fixed to the other side of the housing. The vacuum cleaner may further comprise a bearing module which is disposed between the connector module and the motor module and supports the inner circumferential surface of the drum body.

Description

Vacuum cleaner

The present invention relates to a vacuum cleaner having a suction head provided with a rotating drum brush, and more particularly, to a vacuum cleaner having a modular suction head structure such as a drum brush module and a motor module detachable from the suction head.

In general, a vacuum cleaner has a suction force generating device that generates a suction force, a suction head that sucks air and foreign substances on the cleaning surface through the suction power of the suction power generating device, and a foreign material collection room that separates and collects foreign substances from the air sucked through the suction head It is a home appliance that is provided with a cleaning device.

The suction head may include a housing having a suction port, and a drum brush that sweeps the cleaning surface to induce foreign substances on the cleaning surface to be efficiently sucked into the suction port. The drum brush may be provided to be rotatably connected to the driving unit.

The driving unit provided in the suction head may be provided in a manner of transmitting power from the outside of the drum brush through a pulley structure or by being inserted into the drum brush to transmit power through a meshing structure.

Due to the nature of the application environment, the suction head frequently malfunctions due to foreign substances, and it can be seen that the need for repair, replacement, or cleaning is high. However, in the case of the conventional suction head, since the suction head and the driving unit and other components necessary for driving the suction head are integrally formed, the above-described repair, replacement, or cleaning process becomes complicated and the cost increases.

One aspect of the present invention can provide a vacuum cleaner that is easy to repair, replace, or clean because the drum brush module or the motor module is detachable from the suction head.

One aspect of the present invention may provide a vacuum cleaner that is stably coupled when the motor module is coupled to the suction head and can transmit driving force to the drum brush module.

A vacuum cleaner according to the technical idea of the present invention includes: a cleaner body including a battery; a suction head connected to the main body of the cleaner to suck the foreign material from the cleaning surface and guide it to the foreign material collection chamber; Including, the suction head, the housing having a suction port; a connector module disposed on one side of the housing and including a connector supplied with power from the battery; a motor module provided to be detachable from the connector module and including a plug electrically connected to the connector; A cylindrical drum body rotatably installed inside the housing so that the foreign material is sucked into the housing through the suction port, the motor module is accommodated along the axis of rotation and rotated by the motor module; It may include; a drum brush module including a brush formed on the outer peripheral surface of the drum body.

The connector module may further include a connector housing surrounding the connector.

A socket may be detachably fixed to the connector housing and provided to support a part of the motor module including the plug connected to the connector.

The socket includes a socket groove accommodating a part of the motor, a socket flange formed around the socket groove, and a motor module coupling groove formed in the socket flange, wherein the motor module includes a motor case surrounding the motor unit and the gear unit and the It protrudes from the motor case and may include a motor case fixing part fixed to the motor module coupling groove.

The bearing module may include a bearing frame mounted on a bearing module seating portion formed on an outer surface of the socket flange, and a bearing module provided to support an inner circumferential surface of the drum body.

The bearing module may include a plurality of contact bearings protruding from the bearing frame and provided to be in contact with an inner circumferential surface of the drum body.

The bearing module may include a drum seal disposed on inner peripheral surfaces of the bearing frame and the drum body and fixed to the bearing frame to seal a gap between the bearing frame and the drum body.

The bearing module may include a socket seal disposed between the bearing frame and the socket flange and fixed to the bearing frame to seal a gap between the bearing frame and the socket flange.

At least one of the drum seal and the socket seal may be formed of a material having elasticity.

The drum brush module may further include a bearing drum cap disposed between the bearing module and the inner circumferential surface of the drum body and the bearing frame and fixed to one end of the drum body facing one side of the housing and supported by the bearing module. can

The motor module may further include one end at which the plug is disposed, a drum drive shaft disposed at the other end in the direction of the rotation axis, and a coupler connected to the drum drive shaft to rotate the drum body.

The drum brush module may further include a coupler groove formed in the drum body so that the drum body is rotatable and engaged with the coupler.

The drum brush module is disposed on the other side of the housing and includes a drum detachable cover to which the drum body of the drum brush module is rotatably coupled, the drum detachable cover fixing the drum brush module to the other side of the housing. It may include a fixing part.

The plug is inserted into the connector when the coupler groove presses the coupler and the drum driving shaft toward one side of the housing while the drum brush module is fixed to the housing by the fixing part. It may be provided to be pressurized.

The connector includes a connector pin and a pin protection flange surrounding the connector pin, the plug includes a plug groove into which the connector pin is inserted, and an insertion flange surrounding the plug groove and provided to inscribe the pin protection flange and the insertion flange includes a plurality of insertion guides of different lengths protruding from the outer circumferential surface and formed along the longitudinal direction of the plug, and the inner circumferential surface of the pin protection flange corresponds to the plurality of insertion guides and the plurality of insertion guides It may include a plurality of insertion guide grooves, each of which is inserted and fixed.

A vacuum cleaner according to the technical idea of the present invention includes: a cleaner body having a suction force generating device for generating a suction force, and a foreign material collecting chamber for collecting foreign substances; and a suction head in which a cylindrical drum body including a brush formed on an outer circumferential surface to induce suction of the foreign substances and connected to the cleaner body to suck the foreign substances from the cleaning surface and guide the foreign substances to the foreign substance collection chamber is rotatably installed; Including, the suction head, the housing having a suction port; a connector module disposed on one side of the housing and including a connector supplied with power from a battery provided in the cleaner body; a motor module provided to be detachable from the connector module and including a plug electrically connected to the connector; a drum brush module accommodating the motor module along a rotational axis direction, including the drum body rotating around the motor module, and being detachably fixed to the other side of the housing; and a bearing module disposed between the connector module and the motor module and supporting the inner circumferential surface of the drum body.

The connector module may further include a connector housing surrounding the connector, detachably fixed to the connector housing, and may include a socket provided to support a part of the motor module including the plug connected to the connector. .

The bearing module may include a bearing frame supported by an outer circumferential surface of the socket, a plurality of contact bearings protruding from the bearing frame and provided to be in contact with an inner circumferential surface of the drum body, and at least one of the bearing module and the connector module or the motor module It may include a sealing member for sealing the gap with one.

The motor module further includes one end at which the plug is disposed, a drum drive shaft disposed at the other end in the direction of the rotation axis, and a coupler connected to the drum drive shaft to rotate the drum body, wherein the drum brush module includes the drum body. It may further include a coupler groove formed inside the drum body to be rotatably engaged with the coupler.

When the drum brush module is fixed to the other side of the housing, the coupler groove supports the coupler and the drum driving shaft and thereby the plug is pressed in a direction to be inserted into the connector, the connector module, the bearing module, and the The motor module and the rotary shaft of the drum brush module may be provided to be arranged in a straight line.

According to the spirit of the present invention, the suction head is modularized into a connector module fixed to one side of the housing, a socket stably connecting the bearing module and the motor module, a bearing module, a motor module, a drum brush module, etc. In this way, it is possible to provide a vacuum cleaner that is easy to repair, replace, or clean.

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

2 is a perspective view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.

3 is an exploded view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.

4 is a view showing a suction head of a vacuum cleaner according to an embodiment of the present invention, and is a view showing a sectional view taken along the Y-Y line of FIG. 2 by module.

5 is an exploded perspective view of a connector module of a vacuum cleaner and a perspective view of a socket according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a connector module among the drawings shown in FIG. 4 .

7 is a perspective view of a bearing module of a vacuum cleaner viewed from one side according to an embodiment of the present invention.

8 is a perspective view of a bearing module of a vacuum cleaner according to an embodiment of the present invention as viewed from a side opposite to that of FIG. 7 .

9 is an enlarged view of the bearing module among the drawings shown in FIG. 4 .

FIG. 10 is an enlarged view of a motor module among the drawings shown in FIG. 4 .

FIG. 11 is an enlarged view of a part of a state in which a connector module and a motor module are coupled among the drawings shown in FIG. 3 .

12 is an exploded perspective view of a drum brush module of a vacuum cleaner viewed from one side according to an embodiment of the present invention.

13 is a perspective view of the driving drum cap and the drum detachable cover of FIG. 12 viewed from the opposite side to FIG. 12 .

FIG. 14 is an enlarged view of the drum brush module among the drawings shown in FIG. 4 .

15 is an enlarged view of a part of a cross-sectional view of a state in which each module of the drawing shown in FIG. 4 is coupled.

16 is a cross-sectional view of an overall state in which each module of the drawing shown in FIG. 4 is coupled.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

In addition, the same reference numerals or reference numerals in each drawing of the present specification indicate parts or components that perform substantially the same functions.

In addition, the terminology used herein is used to describe the embodiments, and is not intended to limit and/or limit the disclosed invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, and one or more other features It does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, terms including an ordinal number, such as "first", "second", etc. used herein may be used to describe various elements, but the elements are not limited by the terms, and the terms are It is used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.

Meanwhile, the terms "up and down direction", "lower side", and "front and back direction" used in the following description are defined based on the drawings, and the shape and position of each component is not limited by these terms.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1 , the vacuum cleaner 1 may include a cleaner body 10 , a suction head 100 , and an extension pipe 20 connecting the cleaner body 10 and the suction head 100 .

The cleaner body 10 includes a suction force generating device 30 that generates a suction force, a foreign material collection chamber 50 that separates and collects foreign substances from the sucked air, a handle 50 , and a power supply to the suction force generating device 30 . It may include a battery 60 that can supply.

The suction force generating device 30 may include a motor for converting electric force into mechanical rotational force, and a fan connected to the motor to rotate. The foreign material collection chamber 50 may collect foreign materials through a cyclone method for separating foreign materials using centrifugal force or a dust bag method for separating foreign materials by passing air through a filter bag. Air from which foreign substances are removed through the foreign material collection chamber 50 may be discharged to the outside of the cleaner body 10 .

The extension pipe 20 may be formed of a pipe having a predetermined rigidity or a flexible hose. The extension tube 20 may transmit the suction force generated through the suction force generating device 30 to the suction head 100 , and guide air and foreign substances sucked through the suction head 100 to the cleaner body 10 .

The suction head 100 may be in close contact with the cleaning surface to suck air and foreign substances from the cleaning surface. The suction head 100 may be rotatably coupled to the extension tube 20 .

2 is a perspective view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention. 3 is an exploded view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention. 4 is a view showing a suction head of a vacuum cleaner according to an embodiment of the present invention, and is a view showing a sectional view taken along the Y-Y line of FIG. 2 by module.

A module coupling direction (X) may be defined along the rotation axis of the drum body 620 . The bearing module 400 , the motor module 500 , and the drum brush module 600 to be described later may be coupled to the connector module 200 or the housing 102 fixed to the side housing 130 in the module coupling direction (X). have.

Referring to FIG. 2 , the suction head 100 of the vacuum cleaner 1 rotates so that the housing 102 in which the suction port 101 is formed and the foreign material are effectively sucked into the interior of the housing 102 through the suction port 101 . The

brushes

610 and 611 may include a drum body 620 provided on an outer circumferential surface, and a suction connector 70 connecting the housing 102 and the extension tube 20 .

Referring to FIG. 3 , the housing 102 of the suction head 100 may be formed by assembling an upper housing 110 , a lower housing 120 , and a side housing. Specifically, the side housing may include the connector side housing 130 and the covers on both sides of the drum detachable cover 650 . However, in the following description, the side housing 130 will be described as generally referring to the connector side housing 130 .

The side housing 130 may be formed in a state coupled to the left side of the lower housing 120 . In this case, the drum detachable cover 650 included in the drum brush module 600 may be provided to be disposed on the right side of the lower housing 120 in a state in which the drum brush module 600 is finally coupled to the housing 102 . have. On the other hand, the left and right arrangement states of the side housing 130 and the drum removable cover 650 may be provided in reverse.

3 and 4 , the suction head 100 may further include a connector module 200 . The connector module 200 may be fixed to the side housing 130 . The connector module 200 is coupled to the motor module 500 , and may supply power to drive the motor M of the motor module 500 . An electric wire (not shown) for supplying power is connected from the battery 60 and extends in the order of the cleaner body 10 , the extension tube 20 , the suction connector 70 , the lower housing 120 , and the side housing 130 . Finally, the connector (refer to FIG. 4 ) of the connector module 200 may be electrically connected.

3 and 4 , the suction head 100 may further include a socket 300 . A socket 300 provided to surround the connector module 200 may be provided. Specifically, the socket 300 may be provided to surround the connector housing 220 . The socket 300 may be provided to be detachable from the connector module 200 . A method in which the socket 300 is coupled to the connector housing 220 may be provided by a screw type fastening method or a hook type fastening method. However, the fastening method of the socket 300 and the connector housing 220 is not limited to the above-described method. The socket 300 may be provided so that the connector module 200 and the motor module 500 to be described later are stably coupled.

3 and 4 , the suction head 100 may further include a bearing module 400 . The socket flange of the socket 300 (refer to FIG. 4 ) may have the bearing module 400 seated thereon. The bearing module 400 may be provided to support the inner peripheral surface of the drum body 620 of the drum brush module 600 . In addition, the bearing module 400 includes a sealing member for sealing the gap between the bearing module 400 and the drum brush module 600 or the gap between the bearing module 400 and the drum brush module 600, so that foreign substances are 200) or the motor module 500 can be prevented.

3 and 4 , the suction head 100 further includes a motor module 500 coupled to the connector module 200 fixed to the side housing 130 coupled to the left side of the lower housing 120 . may include The motor module 500 may be provided to be separable from the connector module 200 . The motor module 500 may include a plug 510 electrically connected to the connector module 200 . The plug 510 may be electrically connected to the connector 210 of the connector module 200 to receive power from the battery 60 .

When the connector module 200 and the motor module 500 are physically or electrically connected, the bearing module 400 is seated and supported on the socket flange 320 of the socket 300, and the connector module 200 and the motor module It may be disposed between 500 . (See FIGS. 15 and 16 ) The bearing module 400 may be provided to support the inner peripheral surface of the drum body 620 provided on the outer peripheral surface of the

brushes

610 and 611 as described above.

The motor module 500 may be provided in a substantially bottle shape. Specifically, the motor case 520 of the motor module 500 provided to surround and protect the detailed components may be provided in a substantially bottle shape. The bottle shape may mean a shape including a cylindrical body provided with a predetermined diameter, and a neck connected to the body and provided with a diameter smaller than the diameter of the body. The motor case 520 may position and protect each component of the motor module 500 that generates or transmits a driving force to drive the drum brush module 600 .

The above-described plug 510 may be fixed to a neck-shaped region among the bottle-shaped shapes of the motor module 500 . A drum driving shaft 570 may be disposed at one end at which the plug 510 is disposed and the other end in the direction of the rotation axis of the drum body 620 . The driving force generated by the motor M may be transmitted through the drum driving shaft 570 . The motor module 500 may further include a coupler 580 coupled to the drum driving shaft 570 and rotatable integrally.

3 and 4 , the suction head 100 may further include a drum brush module 600 . The drum brush module 600 may include a drum body 620 having a cylindrical shape. The drum body 620 may be provided in a cylindrical shape in which an empty space is formed along a rotation axis. That is, the drum body 620 may be provided in a hollow cylinder shape. "Hollow" in "hollow cylinder" may mean an empty space formed along the rotation axis. In the drum brush module 600 , the motor module 500 may be seated in an empty space formed along the axis of rotation of the drum body 620 , that is, hollow.

The drum body 620 may be rotatably fixed to the drum detachable cover 650 provided to be disposed on the right side of the lower housing 120 in a state in which the drum brush module 600 is finally coupled to the housing 102 . A fixing part 651 and a cover switch 652 in which the drum brush module 600 can be fixed to the housing 102 may be provided in the drum detachable cover 650 .

A coupler groove 640 provided in a shape corresponding to the coupler 580 integrally rotatable by being coupled to the drum driving shaft 570 may be provided inside the drum body 620 . The coupler groove 640 may be integrally formed inside the drum body 620 . Alternatively, it may be provided in a manner that is fixed to the inner circumferential surface of the drum body 620 after being provided as a separate configuration. The coupler 580 and the coupler groove 640 may be engaged with each other so that the driving force of the motor module 500 is transmitted to the drum body 620 so that the drum body 620 is rotatable.

The drum brush module 600 accommodates the connector module 200 , the socket, the bearing module 400 , and the motor module 500 in an empty space formed along the rotation axis of the drum body 620 , and can be fixed to the housing 102 . have.

3 and 4, the schematic coupling sequence of the suction head 100 is as follows. First, the connector module 200 may be provided in a fixed state to the side housing 130 coupled to the left side of the lower housing 120 . The socket 300 may be coupled to the connector module 200 by approaching it in the module coupling direction (X). Second, the bearing module 400 may be seated in the socket 300 by approaching it in the module coupling direction (X). Third, the motor module 500 approaches in the module coupling direction (X), is supported by the socket 300 , and may be physically or electrically connected to the connector module 200 . Specifically, the plug 510 of the motor module 500 may be connected to the connector 210 of the connector module 200 by approaching in the module coupling direction (X). Finally, the motor module 500, the bearing module 400, the socket 300, and the connector module 200 are accommodated in the empty space formed along the rotation axis of the drum body 620, and the drum brush module 600 is combined with the module. It can be finally coupled to the housing 102 by approaching in the direction X.

Hereinafter, each module included in the suction head 100 of the vacuum cleaner 1 of the present invention will be described in detail.

5 is an exploded perspective view of a connector module of a vacuum cleaner and a perspective view of a socket 300 according to an embodiment of the present invention. FIG. 6 is an enlarged view of a connector module among the drawings shown in FIG. 4 . In the case of FIG. 5 , the side housing 130 coupled to the left side of the lower housing 120 is omitted.

5 and 6 , the connector module 200 may include a connector housing 220 and a connector 210 .

The connector housing 220 may be fixed to the side housing 130 coupled to the left side of the lower housing 120 . The connector housing 220 may receive and fix the connector 210 therein, and may function to physically and electrically protect the connector 210 . The connector housing 220 shown in FIG. 5 is provided in a substantially hollow cylinder shape, and is provided to accommodate the connector 210 in the hollow. However, the shape of the connector housing 220 is not limited thereto and may be provided in various forms capable of physically and electrically protecting the connector 210 .

In the center of the connector housing 220 , a connection part (not shown) connected to the electric wire connected to the battery 60 extending through the side housing 130 coupled to the left side of the lower housing 120 may be provided.

The connector 210 may be physically and electrically connected to the plug 510 of the motor module 500 to perform a function of supplying power. The connector 210 may be formed in a hollow cylinder shape having an outer diameter smaller than the hollow diameter of the connector housing 220 to be accommodated in the center of the connector housing 220 . Alternatively, in order to increase the rigidity of the coupling structure, one side may be provided in the shape of a hollow cylinder and the other side in the shape of a rectangular parallelepiped, as shown in FIG. 5 .

The connector 210 may be connected to the connector 221 disposed at the center of the connector housing 220 . In order to reinforce the coupling between the connector 210 and the connector housing 220 , a coupling flange 210a may be formed around the connector 210 . The coupling flange 210a may be coupled to the connector housing 220 through a separate coupling member.

The connector 210 may include a connector pin 211 and a pin protection flange 212 . Similar to the connector housing 220 , the connector 210 may have an empty space formed along the center of the connector 210 . A connector pin 211 may be formed in the above-described central portion of the connector 210 . A pin protection flange 212 that is spaced apart from the connector pin 211 and surrounds the connector pin 211 may be formed around the connector pin 211 . The pin protection flange 212 may be provided in a configuration corresponding to the sidewall of the hollow cylinder among the shapes of the hollow cylinder of the connector 210 described above.

In the connector 210 , the plug 510 of the motor module 500 may be inserted into an empty space formed along the central portion. That is, the connector 210 of the connector module and the plug 510 of the motor module 500 may be physically and electrically connected. The outer surface of the plug 510 may be provided to contact the inner surface of the pin protection flange 212 .

The motor module 500 includes a plurality of insertion guides formed on the outer surface of the plug 510 so that the connector 210 of the connector module 200 and the plug 510 of the motor module 500 can be more firmly coupled. 513 , and the connector module 200 may have a plurality of insertion guide grooves 213 formed on the inner surface of the pin protection flange 212 .

The connector pin 211 of the connector 210 may be made of a metal having high electrical conductivity. The pin protection flange 212 surrounding the connector pin 211 may be made of a material different from that of the connector pin 211 . That is, unlike the connector pin 211 , the pin protection flange 212 may be made of an insulating material. After the connector pin 211 and the pin protection flange 212 are manufactured separately, the connector 210 is formed in the center of the pin protection flange 212 after the connector pin 211 is inserted into the empty space formed along the center. It may be fixed to finally form the connector 210 . Alternatively, both the connector pin 211 and the pin protection flange 212 may be integrally formed of a metal having high electrical conductivity.

The suction head 100 of the vacuum cleaner 1 of the present invention may further include a socket 300 . 5 and 6 , the socket 300 may be disposed on the outer surface of the connector housing 220 . The socket 300 may be fixed while surrounding the connector housing 220 on the outer surface of the connector housing 220 .

As shown in FIG. 5 , the coupling method between the connector housing 220 and the socket 300 may be provided as follows. A protrusion 220a may be formed in the connector housing 220 , and a seating portion 300a on which the protrusion is seated may be formed in the socket 300 . After the socket 300 is approached in the module coupling direction X along the outer surface of the connector housing 220 to seat the connector housing 220 in the socket 300, the socket 300 is rotated to The protrusion 220a and the seating portion 300a may be coupled to each other.

Alternatively, the connector housing 220 and the socket 300 may apply a coupling method in which the female screw portion formed on the inner surface of the socket 300 and the male screw portion formed on the outer surface of the connector housing 220 are bound to each other and fixed. . In addition, various coupling methods capable of firmly coupling the connector housing 220 and the socket 300 may be applied. Alternatively, the connector housing 220 and the socket 300 may be integrally formed.

The socket 300 may be formed in a substantially hollow cylinder shape. The above-described connector housing 220 may be inserted and fixed to one side of the hollow of the socket 300 .

A socket groove 310 into which a part of the motor module 500 is inserted may be formed at the other side of the hollow of the socket 300 . Here, a part of the motor module 500 is formed in a bottle shape including a cylindrical body in which the motor module 500 is provided with a predetermined diameter, and a neck connected to the body and provided with a diameter smaller than the diameter of the body. , may correspond to the neck.

The socket 300 may further include a socket flange 320 formed around the socket groove 310 . The socket flange 320 may be provided in a configuration corresponding to the sidewall of the hollow cylinder among the shapes of the hollow cylinder of the socket 300 described above.

The socket flange 320 may be provided with a motor module coupling groove 321 as a structure that can further strengthen the coupling with the motor module 500 . The motor module coupling groove 321 may be formed to correspond to the shape of the motor case fixing part 530 to be described later.

The motor module coupling groove 321 may be formed in the socket flange 320 located in the direction in which the motor module 500 is inserted. The motor module coupling groove 321 may be provided in a slit shape cut in a direction in which the socket 300 extends from one end of the socket flange 320 . That is, the shape of the motor case fixing part 530 may be provided in a substantially rectangular parallelepiped shape, and the motor case fixing part 530 may be formed in a plurality of parts of the motor module 500 , that is, around the aforementioned neck. have.

When the motor module 500 is connected to the connector module 200 through the socket 300 , the motor case fixing part 530 may be provided to be seated in the motor module coupling groove 321 . Through this structure, the motor module 500 achieves an effect that can be more firmly and stably coupled to the connector module 200 despite the external shock of the suction head 100 or the vibration of the motor module 500 itself. can do.

7 is a perspective view of a bearing module of a vacuum cleaner viewed from one side according to an embodiment of the present invention. 8 is a perspective view of a bearing module of a vacuum cleaner according to an embodiment of the present invention as viewed from a side opposite to that of FIG. 7 . 9 is an enlarged view of the bearing module among the drawings shown in FIG. 4 .

The suction head 100 of the vacuum cleaner 1 of the present invention may further include a bearing module 400 . The bearing module 400 may be provided to be seated on the bearing module seat 322 formed on the outer surface of the socket flange 320 . As described above, the socket flange 320 may be provided in a configuration corresponding to the sidewall of the hollow cylinder among the shapes of the hollow cylinder of the socket 300 described above. The bearing module 400 may be provided to be seated on the bearing module seating part 322 to support the inner peripheral surface of the drum body 620 .

The bearing module 400 may include a bearing frame 410 . The bearing frame 410 may be provided in a substantially ring shape. The outer surface of the bearing frame 410 may be provided to face the inner circumferential surface of the drum body 620 , and the inner surface of the bearing frame 410 may be provided to face the socket flange 320 .

The bearing module 400 may be formed with a plurality of contact bearings 413 protruding from the bearing frame 410 and provided to come into contact with the inner circumferential surface of the drum body 620 . Referring to FIG. 7 , each of the plurality of contact bearings 413 may be disposed to be spaced apart from each other along the outer circumferential surface of the bearing frame 410 .

Each of the plurality of contact bearings 413 illustrated in FIG. 7 may have a thickness similar to that of a sealing hook 414 of a bearing module 400 to be described later and may be provided in a small plate shape. In the plate shape of the contact bearing 413, some of the corners may be rounded to have a structure to reduce friction.

The plurality of contact bearings 413 shown in FIG. 7 are simply formed in a protruding structure, but unlike this, an insert is formed in the bearing frame 410, and a ball bearing (not shown) is inserted into the insert to rotate in place. can

A bearing dent 412 and a sealing hook 414 may be formed on one side of the bearing frame 410 . Specifically, the bearing frame 410 is provided in a substantially ring shape, and the sealing hook 414 has a predetermined width along the ring rim at one side of the ring shape and may be formed to extend in the module coupling direction (X). . The extended length may be formed to have a length corresponding to the width of the portion where the socket sealing 430 is seated on the sealing hook 414 as will be described later. A plurality of sealing hooks 414 may be formed, and each of the plurality of sealing hooks 414 may be spaced apart from each other at regular intervals along the ring edge and extend. A space formed between each of the plurality of sealing hooks 414 may be defined as a bearing dent 412 .

The inner surface of the bearing frame 410 may be provided to face the socket flange 320 as described above. A socket seal 430 may be disposed between the inner surface of the bearing frame 410 and the socket flange 320 . The socket sealing 430 may be provided in a substantially ring shape. One cross-section of the socket sealing 430 may be formed in a substantially rectangular shape. However, the shape of one cross-section of the socket sealing 430 is not limited thereto and may be provided in various shapes capable of implementing the sealing function.

The socket seal 430 may be seated on the socket seal seat 415 formed on the inner surface of the bearing frame 410 . More specifically, the socket seal 430 may be seated on the socket seal seating portion 415 formed on the inner surface of the sealing hook 414 .

The socket sealing 430 may be fixed by a sealing hook 414 . Specifically, the sealing hook 414 may include an inner surface facing the socket and an outer surface facing the inner circumferential surface of the drum body 620 . The socket sealing seat 415 may be formed on the inner surface of the sealing hook 414 facing the socket. As described above, the extended length of the sealing hook 414 is formed to have a length corresponding to the width of the portion where the socket sealing 430 is seated on the sealing hook 414, so the socket sealing 430 is the sealing hook 414. By this, it can be fixed to the inner surface of the bearing frame 410 without shaking.

The socket seal 430 may be detachable from the bearing frame 410 . A bearing dent 412 is formed between the plurality of sealing hooks 414, and the socket sealing 430 is seated on the socket sealing seating portion 415 formed on the inner surface of the sealing hook 414 even if it is seated in the bearing dent 412. can be exposed through Through this structure, the user may be able to easily separate the socket sealing 430 from the bearing frame 410 .

The bearing module 400 may be provided to be seated on the bearing module seat 322 formed on the outer surface of the socket flange 320 . Specifically, the bearing module seating part 322 may be formed in the socket flange 320 to face the inner surface of the bearing frame 410 and contact the socket seal 430 of the bearing module 400 .

The socket seal 430 is seated on the bearing module seating portion 322 , and may also be fixed to the bearing frame 410 . In this structure, the socket sealing 430 may be provided to seal a gap that may occur between the socket 300 and the bearing frame 410 .

The outer surface of the bearing frame 410 may be provided to face the inner peripheral surface of the drum body 620 as described above. A drum seal 420 may be disposed between the outer surface of the bearing frame 410 and the inner peripheral surface of the drum body 620 .

The drum seal 420 may be provided in a substantially ring shape. One cross-section of the drum sealing 420 may be formed in an approximately S shape. Specifically, the S-shape may be provided so that each strand has a predetermined width, and the width of each strand may be provided to be the same or different from each other. For convenience of description, a shape corresponding to the first strand is referred to as a first drum sealing cross-section 421 , and a shape corresponding to the second strand is referred to as a second drum sealing cross-section 422 . That is, the drum sealing 420 may be provided in a ring shape formed by rotating the S-shape including the first drum sealing end face 421 placed in parallel with the reference axis by one revolution.

A portion of the drum seal 420 corresponding to the first drum seal end face 421 may be seated on the outer surface of the bearing frame 410 . A portion of the drum sealing 420 corresponding to the second drum sealing end surface 422 may be provided to be in contact with the inner peripheral surface of the drum body 620 .

As in the structure described above, one cross section of the drum seal 420 is formed in an approximately S shape, so that when the drum body 620 rotates and rubs against the drum seal 420 (see FIG. 15), the drum body 620 By applying a frictional force in the direction opposite to the rotational direction of the motor, the load that can be applied to the motor is minimized, and at the same time, it is possible to effectively seal a gap that may occur between the bearing frame 410 and the drum body 620 .

However, the shape of one cross-section of the socket sealing 430 is not limited thereto and may be provided in various shapes capable of implementing the sealing function.

The drum sealing 420 and the socket sealing 430 may be formed of a material having elasticity due to the characteristics of the sealing function.

Additionally, referring to FIG. 16 , primary sealing is performed in the process of coupling with the connector housing 220 of the connector module 200 , and between the bearing frame 410 and the socket 300 through the socket sealing 430 . Secondary sealing may be performed, and tertiary sealing may be performed between the bearing frame 410 and the drum body 620 . Through such a sealing structure, it is possible to prevent foreign substances that may be introduced from the gap between the drum brush module 600 and the side housing 130 from flowing into the connector 210 or the motor module 500 .

The suction head 100 of the vacuum cleaner 1 of the present invention may further include a motor module 500 . The suction head 100 is a connector module (refer to FIGS. 3 and 4) fixed to the side housing (refer to FIGS. 3 and 4) coupled to the left side of the lower housing (refer to FIGS. 3 and 4) and It may further include a motor module 500 for coupling. The motor module 500 may be provided to be detachable from the connector module (refer to FIGS. 3 and 4 ).

Referring to FIG. 10 , the motor module 500 may include a motor case 520 . The motor case 520 may be provided to position and protect each component of the motor module 500 that generates or transmits a driving force to drive the drum brush module 600 .

The shape of the motor case 520 may be approximately formed in a bottle shape. The bottle shape may mean a shape including a cylindrical body provided with a predetermined diameter, and a neck connected to the body and provided with a diameter smaller than the diameter of the body.

The diameter of the body of the motor case 520 may be provided with a length corresponding to the diameter of the inner peripheral surface of the drum body 620 so as to be accommodated in an empty space formed along the rotation axis of the drum body 620 . Specifically, the diameter of the body of the motor case 520 may be provided with a length smaller than the diameter of the inner peripheral surface of the drum body (620).

The conventional suction head 100 is formed in a structure in which the motor M is provided outside the drum brush module 600 and rotates through a pulley structure. When the motor module 500 is accommodated in an empty space formed along the rotation axis of the drum body 620 and rotates the drum body 620, the space near the rotation axis of the drum body 620 of the drum brush module. By effectively utilizing the, it is possible to achieve the effect of miniaturization of the suction head (100).

Even if the motor module 500 is provided in a structure to be accommodated in an empty space formed along the axis of rotation of the drum body 620 , the motor module 500 is integrated so that it is not separable from the connector module 200 and furthermore the bearing module 400 . could be formed with The suction head 100 can be seen to have frequent malfunctions due to foreign substances due to the characteristics of the application environment, and the need for repair, replacement, or cleaning is high. When the suction head 100 and the driving unit and other components necessary for driving the suction head are integrally formed, the above-described repair, replacement, or cleaning process becomes complicated, and an increase in cost may be a problem.

The suction head 100 that is easy to repair, replace, or clean can be provided through the structure of the motor module 500 formed to be detachable from the connector module 200 described above.

Hereinafter, a detailed structure of the motor module will be described in detail.

A plug 510 may be disposed on the above-described neck portion of the motor case 520 . A plug 510 may be fixed to the above-described neck portion of the motor case 520 .

The plug 510 of the motor module 500 may be physically and electrically connected to the connector 210 of the connector module 200 to perform a function of supplying power. The plug 510 may have a substantially cylindrical shape. Referring to FIG. 10 , the plug 510 may include an insertion flange 512 and a plug groove 511 .

Specifically, referring to FIG. 15 , the plurality of insertion guides 513 protrude from the outer circumferential surface of the insertion flange 512 and may be formed along the longitudinal direction of the plug 510 . For example, when one insertion guide 513 among the plurality of insertion guides 513 is formed with a length of A, the other insertion guide 513 may be formed with a length of B. The plurality of insertion guides 513 may be provided with different lengths, respectively. A plurality of insertion guide grooves 213 corresponding to the plurality of insertion guides 513 and into which each of the plurality of insertion guides 513 are inserted and fixed may be formed on the inner circumferential surface of the pin protection flange 212 . The insertion guide groove 213 to which the insertion guide 513 formed with a length of A is fixed may be provided with a corresponding length of A. Similarly, the insertion guide groove 213 to which the insertion guide 513 formed with the length of B is fixed may be provided with the length of the corresponding B.

The plug 510 may include a body seated on the neck portion, an insertion flange 512 protruding from the neck portion toward the connector 210 , and a plug groove 511 . The plug groove 511 may perform a function of supplying power by being physically and electrically connected to the connector 210 by inserting a connector pin 211 . The insertion flange 512 may be formed to surround the plug groove 511 . That is, when only the insertion flange 512 and the plug groove 511 of the structure of the plug 510 are viewed separately, it may be formed in a substantially hollow cylinder shape. The insertion flange 512 may be provided to inscribe the pin protection flange 212 when the plug 510 is connected to the connector 210 . Through this structure, the connector pin 211 can be prevented from being damaged, such as being bent or damaged despite the external shock of the suction head 100 or the vibration of the motor module 500 itself.

The motor module 500 may further include one end at which the plug 510 is disposed and a drum driving shaft 570 at the other end in the direction of the rotation axis of the drum body 620 . The driving force generated by the motor M may be transmitted through the drum driving shaft 570 .

In the motor module 500 , a motor M and a gear unit 550 may be sequentially disposed between the plug 510 and the drum driving shaft 570 . The motor M may receive power from the battery 60 through the connector 210 and the plug 510 and generate rotational force through the motor rotating shaft 540 .

The motor rotation shaft 540 may be connected to the sun gear 551 of the gear unit 550 . The gear unit 550 may include a first carrier 552 to which planetary gears directly connected to the sun gear 551 are rotatably fixed. The gear unit 550 may further include a second carrier 553 on which planetary gears directly connected to the sun gear unit formed at one end of the first carrier 552 are rotatably fixed. The second carrier 553 may be connected to the drum driving shaft 570 . The second carrier 553 may be rotatable integrally with the drum driving shaft 570 . The gear unit 550 may be located inside the motor case 520 but separated from the area where the motor M is disposed through a separate gear case 551 .

The drum drive shaft 570 may be provided to extend from the gear unit 550 . The drum drive shaft 570 may be primarily supported by a bearing 554 disposed inside the gear case 551 of the gear unit 550 . The drum drive shaft 570 may be secondaryly supported by the motor module 500 by the one end at which the plug 510 is disposed and the motor cap 560 at the other end in the direction of the rotation axis of the drum body 620 .

The motor module 500 may further include a coupler 580 coupled to the drum driving shaft 570 and rotatable integrally. The coupler 580 is configured such that the driving force transmitted through the drum driving shaft 570 is effectively transmitted to the drum body 620 of the drum brush module 600 . The coupler 580 may be inserted into the coupler groove 640 inside the drum body 620 to be described later. The coupler 580 may be engaged with the coupler groove 640 inside the drum body 620 to rotate the drum body 620 . Referring to FIG. 3 , the coupler 580 may be provided in a cylindrical shape having a plurality of polygonal protrusions. The coupler groove 640 may be provided in a shape corresponding to the coupler 580 . However, the shapes of the coupler 580 and the coupler groove 640 are not limited thereto, and various shapes in which the driving force transmitted through the drum driving shaft 570 can be effectively transmitted to the drum body 620 of the drum brush module 600 . can be formed with

The coupling state of the connector module 200 and the motor module 500 is released or the connector module 200 and the motor module 500 due to the external shock of the suction head 100 or the vibration of the motor module 500 itself. It may damage the included configuration.

Referring to FIGS. 3, 5, 10 and 11 , a socket groove 310 into which a part of the motor module 500 is inserted may be formed on the other side of the hollow of the socket 300 . Here, a part of the motor module 500 is formed in a bottle shape including a cylindrical body in which the motor module 500 is provided with a predetermined diameter, and a neck connected to the body and provided with a diameter smaller than the diameter of the body. , may correspond to the neck.

A motor module coupling groove 321 may be provided. The motor module coupling groove 321 may be formed to correspond to the shape of the motor case fixing part 530 to be described later.

12 is an exploded perspective view of a drum brush module of a vacuum cleaner viewed from one side according to an embodiment of the present invention. 13 is a perspective view of the driving drum cap and the drum detachable cover of FIG. 12 viewed from the opposite side to FIG. 12 . FIG. 14 is an enlarged view of the drum brush module among the drawings shown in FIG. 4 .

The suction head 100 of the vacuum cleaner 1 of the present invention may further include a drum brush module 600 . The drum brush module 600 may include a drum body 620 , a main brush 610 , and an auxiliary brush 611 .

The drum body 620 may be provided in a cylindrical shape to scatter foreign substances by sweeping the cleaning surface, and a main brush 610 may be disposed on an outer peripheral surface of the cylinder shape. The main brush 610 may be fixed to the outer peripheral surface of the drum body 620 . The main brush 610 may be provided in a hollow cylinder shape to correspond to the shape of the drum body. An auxiliary brush 611 may be spirally wound on the outer peripheral surface of the main brush 610 . The auxiliary brush 611 may be provided to maximize the effect of the main brush 610 scattering foreign substances.

The drum brush module 600 may include a drum body 620 having a cylindrical shape. The drum body 620 may be provided in a cylindrical shape in which an empty space is formed along a rotation axis. That is, the drum body 620 may be provided in a hollow cylinder shape. "Hollow" in "hollow cylinder" may mean an empty space formed along the rotation axis. In the drum brush module 600 , the motor module 500 may be seated in an empty space formed along the axis of rotation of the drum body 620 , that is, hollow.

Referring to FIG. 12 , the drum brush module 600 may further include a bearing module 400 and a bearing drum cap 621 disposed on the inner circumferential surface of the drum body 620 . The bearing drum cap 621 may be formed in a hollow cylinder shape similar to that of the drum body 620 . The bearing drum cap 621 may be disposed on the inner peripheral surface of the drum body 620 and the bearing frame 410 . The bearing drum cap 621 may be provided to be fixed to one end of the drum body 620 facing one side of the housing 102 to which the connector module 200 is fixed. In other words, the bearing drum cap 621 may be provided to be fixed to one end of the drum body 620 facing the side housing 130 . One end of the drum body 620 facing the side housing 130 may be defined as a first accommodating part 631 .

The bearing module 400 may be provided to be seated on the bearing module seat 322 formed on the outer surface of the socket flange 320 . As described above, the socket flange 320 may be provided in a configuration corresponding to the sidewall of the hollow cylinder among the shapes of the hollow cylinder of the socket 300 described above. The bearing module 400 may be provided to be seated on the bearing module seating part 322 to support the inner peripheral surface of the drum body 620 . In this structure, the bearing module 400 does not directly support the inner circumferential surface of the drum body 620 , but supports the inner circumferential surface of the drum body 620 through the bearing drum cap 621 fixed to one end of the drum body 620 . may be arranged to do so.

The bearing drum cap 621 may have a cap fixing protrusion 623 formed on an outer peripheral surface of the hollow cylinder shape. A plurality of cap fixing protrusions 623 may be provided. Each of the plurality of cap fixing protrusions 623 may be disposed to be spaced apart from each other at a predetermined interval on the outer peripheral surface of the bearing drum cap 621 . A cap fixing groove 624 corresponding to the plurality of cap fixing protrusions 623 may be formed on the inner circumferential surface of the drum body 620 . Each of the plurality of cap fixing protrusions 623 is meshed with each of the plurality of cap fixing grooves 624 and is seated in the above-described first receiving portion so that the bearing drum cap 621 can be fixed to the inner circumferential surface of the drum body 620 . have.

When the friction surface of the bearing drum cap 621 is damaged due to friction between the contact bearing 413 of the bearing module 400 and the bearing drum cap 621, only the bearing drum cap 621, not the entire drum brush module, is replaced. Therefore, it is possible to improve the durability of the drum brush module and secure a longer service life.

The drum body 620 may further include a coupler groove 640 corresponding to the coupler 580 of the motor module 500 . A coupler groove 640 provided in a shape corresponding to the coupler 580 integrally rotatable by being coupled to the drum driving shaft 570 may be provided inside the drum body 620 . The coupler groove 640 may be integrally formed inside the drum body 620 . Alternatively, it may be provided in a manner that is fixed to the inner circumferential surface of the drum body 620 after being provided as a separate configuration. The coupler 580 and the coupler groove 640 may be engaged with each other so that the driving force of the motor module 500 is transmitted to the drum body 620 so that the drum body 620 is rotatable.

The coupler 580 may be engaged with the coupler groove 640 inside the drum body 620 to rotate the drum body 620 . Referring to FIG. 3 , the coupler 580 may be provided in a cylindrical shape having a plurality of polygonal protrusions. The coupler groove 640 may be provided in a shape corresponding to the coupler 580 . However, the shapes of the coupler 580 and the coupler groove 640 are not limited thereto, and various shapes in which the driving force transmitted through the drum driving shaft 570 can be effectively transmitted to the drum body 620 of the drum brush module 600 . can be formed with

Inside the drum body 620 , a second receiving part 632 may be formed between the above-described first receiving part 631 and the coupler groove 640 . The motor module 500 may be located in the second accommodating part 632 .

The drum brush module 600 may further include a drum detachable cover 650 to which the drum body 620 is rotatably fixed.

As described above, the side housing 130 may be formed in a state coupled to the left side of the lower housing 120 . In this case, the drum detachable cover 650 included in the drum brush module 600 may be provided to be disposed on the right side of the lower housing 120 in a state in which the drum brush module 600 is finally coupled to the housing 102 . have. The drum detachable cover 650 may be provided in a shape corresponding to the side housing 130 .

The drum detachable cover 650 may be provided with a driving drum cap fastening member 653 connected to a driving drum cap 622 to be described later so as to be rotatable on the rotating shaft of the drum body 620 . The driving drum cap fastening member 653 may be rotatably supported by a bearing 654 provided in the drum detachable cover 650 .

The drum brush module 600 may further include a driving drum cap 622 connecting the drum body 620 and the drum detachable cover 650 . 12 and 13 , the driving drum cap 622 may be formed in an overall similar shape to the bearing drum cap 621 . However, if the bearing drum cap 621 is formed in a hollow cylinder shape, the driving drum cap 622 is fastened to the center of rotation so as to be rotatably fixed to the driving drum cap fastening member 653 protruding from the drum detachable cover 650 . A plurality of support ribs 622a for supporting the hole and the fastening hole may be formed.

The driving drum cap 622 may include a cap fixing protrusion 623 and a cap fixing groove 624 similar to the bearing drum cap 621 . The sizes of the cap fixing protrusion 623 and the cap fixing groove 624 may be formed so that the driving drum cap 622 and the bearing drum cap 621 are different from each other.

The driving drum cap 622 may be provided to be fixed to the other end of the drum body 620 facing the drum removable cover 650 . The other end of the drum body 620 facing the side housing 130 may be defined as the driving drum cap receiving part 633 .

As shown in FIGS. 12 and 13 , the drum body 620 has a bearing drum cap 621 fixed to the first accommodating part 631 , and a driving drum cap 622 is fixed to the driving drum cap accommodating part 633 . It is fixed and the driving drum cap 622 may be rotatably coupled to the drum detachable cover 650 through the driving drum cap fastening member 653 . Finally, as shown in FIG. 14 , one drum brush module 600 may be provided.

The drum brush module 600 may be provided with a fixing part 651 and a cover switch 652 to be fixed to one side of the housing. Specifically, the fixing part 651 may protrude from the drum removable cover 650 toward the housing 102 . The fixing part 651 may be provided with a fixing hook and a cover switch 652 provided to press the fixing hook. In the housing 102 , the fixing part 651 is inserted and an insertion groove 110a (refer to FIG. 3 ) provided in a shape corresponding to the fixing part 651 may be formed. A fastening groove 110b (refer to FIG. 3 ) to which the fixing hook of the fixing part 651 is fixed may be formed in the insertion groove 110a of the housing 102 (refer to FIG. 3 ).

15 is an enlarged view of a part of a cross-sectional view of a state in which each module of the drawing shown in FIG. 4 is coupled. 16 is a cross-sectional view of an overall state in which each module of the drawing shown in FIG. 4 is coupled.

Hereinafter, together with FIGS. 3 and 4 , the arrangement configuration and coupling sequence of each module will be described comprehensively. Content that overlaps with the above will be omitted.

First, the connector module 200 may be provided in a fixed state to the side housing 130 coupled to the left side of the lower housing 120 . Specifically, the connector housing 220 may be provided in a fixed state to the side housing 130 , and the connector 210 may be disposed inside the connector housing 220 .

Second, the socket 300 may be coupled to the connector module 200 by approaching it in the module coupling direction (X). The socket 300 may be integrally formed with the connector housing 220 .

Third, the bearing module 400 may be seated by approaching the socket 300 in the module coupling direction (X). The bearing module 400 may be seated on the bearing module seat 322 of the socket flange 320 . The socket seal 430 of the bearing module 400 may be provided to seal a gap between the socket flange 320 and the bearing frame 410 of the bearing module 400 .

Fourth, the motor module 500 approaches in the module coupling direction (X), is supported by the socket 300 , and may be physically or electrically connected to the connector module 200 . Specifically, the plug 510 of the motor module 500 may be connected to the connector 210 of the connector module 200 by approaching in the module coupling direction (X). In the process in which the plug 510 of the motor module 500 is connected to the connector 210 of the connector module 200 , each of the plurality of insertion guides 513 of the plug 510 has a plurality of insertion guide grooves of the connector 210 . (213) can be inserted into each of the fixed. In addition, the motor case fixing part 530 formed in the motor case 520 may be inserted into the motor module coupling groove 321 formed in the socket flange 320 to be fixed.

Finally, the motor module 500, the bearing module 400, the socket 300, and the connector module 200 are accommodated in the empty space formed along the rotation axis of the drum body 620, and the drum brush module 600 is combined with the module. It can be finally coupled to the housing 102 by approaching in the direction X.

Specifically, the bearing drum cap 621 is fixed to the first receiving part 631 located at one end of the drum body 620 , and the bearing drum cap 621 may also be formed in the shape of a hollow cylinder. Therefore, when the drum brush module 600 approaches in the module coupling direction X, the motor module 500 may be primarily inserted through the hollow of the bearing drum cap 621 . The motor module 500 may be seated in the second accommodating part 632 inside the drum body 620 as the drum brush module 600 continuously moves in the module coupling direction (X).

When the coupler 580 of the motor module 500 is seated and engaged in the coupler groove 640 of the drum body 620, the drum brush module 600 stops moving in the module coupling direction (X), and the drum brush module The fixing part 651 of the 600 is fastened to the housing 102 and finally each module maintains a state in which all are fixed to the suction head 100 . This state can be defined as the final bonding state.

In the final coupled state, the drum body 620 is rotatably supported by the bearing module 400 on the side housing 130 side, and the driving drum cap fastening member 653 and the driving drum cap 622 on the drum detachable cover 650 side. ) can be rotatably supported by Also, due to the above-described sealing structure, the drum body 620 may block foreign substances from flowing into the connector module 200 or the motor module 500 and the drum body 620 from the side housing 130 side.

In the final coupled state, the rotation shafts of the connector module 200 , the bearing module 400 , the motor module 500 , and the drum brush module 600 may be arranged in a straight line.

In the final coupled state, since the rotation shafts of the connector module 200, the bearing module 400, the motor module 500, and the drum brush module 600 are provided on a straight line, the coupler groove 640 is formed between the coupler 580 and the drum drive shaft. It may be provided to press the 570 in a direction toward the connector module 200 , that is, toward the side housing 130 . It can be seen that this coincides with the module coupling direction (X). The drum drive shaft 570 presses the entire motor module 500 , and as a result, the plug 510 of the motor module 500 is also pressed in the direction of being inserted into the connector 210 of the connector module 200 . can

In the process of disassembling each module, the above-described combining process is reversed. Only the drum brush module 600 may be disassembled from the suction head 100 , and the motor module 500 and the bearing module 400 may be separated from the connector module 200 fixed to the side housing.

Through this structure, even if each module is partially damaged, it is possible to provide a vacuum cleaner that can be easily repaired and replaced, and each module can be easily cleaned.

In the above, specific embodiments have been shown and described. However, it is not limited only to the above-described embodiments, and those of ordinary skill in the art to which the invention pertains can make various changes without departing from the spirit of the invention described in the claims below. .

Claims

a cleaner body including a battery;

a suction head connected to the main body of the cleaner to suck the foreign material from the cleaning surface and guide it to the foreign material collection chamber; including,

The suction head is

a housing having an inlet;

a connector module disposed on one side of the housing and including a connector supplied with power from the battery;

a motor module provided to be detachable from the connector module and including a plug electrically connected to the connector;

A cylindrical drum body rotatably installed inside the housing so that the foreign material is sucked into the housing through the suction port, the motor module is accommodated along the axis of rotation and rotated by the motor module; A vacuum cleaner comprising a; drum brush module including a brush formed on the outer peripheral surface of the drum body.
According to claim 1,

The connector module vacuum cleaner further comprising a connector housing surrounding the connector.
3. The method of claim 2,

and a socket detachably fixed to the connector housing and provided to support a part of the motor module including the plug connected to the connector.
4. The method of claim 3,

The socket includes a socket groove accommodating a part of the motor, a socket flange formed around the socket groove, and a motor module coupling groove formed in the socket flange,

The motor module includes a motor case surrounding the motor unit and the gear unit, and a motor case fixing unit protruding from the motor case and fixed to the motor module coupling groove.
5. The method of claim 4,

The bearing module includes a bearing frame mounted on a bearing module seating portion formed on an outer surface of the socket flange, and a bearing module provided to support an inner circumferential surface of the drum body.
6. The method of claim 5,

The bearing module is a vacuum cleaner including a plurality of contact bearings protruding from the bearing frame and provided to be in contact with an inner circumferential surface of the drum body.
6. The method of claim 5,

and the bearing module is disposed on inner peripheral surfaces of the bearing frame and the drum body and includes a drum seal fixed to the bearing frame to seal a gap between the bearing frame and the drum body.
6. The method of claim 5,

and the bearing module is disposed between the bearing frame and the socket flange and includes a socket seal fixed to the bearing frame to seal a gap between the bearing frame and the socket flange.
7. The method of any one of claims 5 and 6,

At least one of the drum seal and the socket seal is formed of a material having elasticity.
5. The method of claim 4,

The drum brush module further includes a bearing drum cap disposed between the bearing module and the inner circumferential surface of the drum body and the bearing frame and fixed to one end of the drum body facing one side of the housing and supported by the bearing module Vacuum cleaner.
According to claim 1,

The motor module further includes: one end at which the plug is disposed; a drum drive shaft disposed at the other end in the direction of the rotation axis; and a coupler connected to the drum drive shaft to rotate the drum body.
12. The method of claim 11,

The drum brush module further includes a coupler groove formed in the drum body so that the drum body is rotatable and engaged with the coupler.
13. The method of claim 12,

The drum brush module is disposed on the other side of the housing and includes a drum detachable cover to which the drum body of the drum brush module is rotatably coupled,

The drum detachable cover vacuum cleaner including a fixing part for fixing the drum brush module to the other side of the housing.
14. The method of claim 13,

The plug is inserted into the connector when the coupler groove presses the coupler and the drum driving shaft toward one side of the housing while the drum brush module is fixed to the housing by the fixing part. A vacuum cleaner that is provided to be pressurized.
According to claim 1,

the connector comprises a connector pin and a pin protection flange surrounding the connector pin;

The plug includes a plug groove into which the connector pin is inserted, and an insertion flange that surrounds the plug groove and is provided to inscribe the pin protection flange,

The insertion flange includes a plurality of insertion guides of different lengths protruding from the outer circumferential surface and formed along the longitudinal direction of the plug,

A vacuum cleaner including a plurality of insertion guide grooves corresponding to the plurality of insertion guides on an inner circumferential surface of the pin protection flange and into which each of the plurality of insertion guides is inserted and fixed.