KR20090017372A - Vacuum cleaner for using in upright type and canister type - Google Patents

Abstract

An upright and canister type vacuum cleaner is provided to maintain to be the total volume of cleaner compact and for the cleaner body to be easily separated from the suction nozzle body support unit and combined with. An upright and canister type vacuum cleaner comprises a first locking part(71) making a locking unit(70) support a lower part of the cleaner body and a supporting member(51) to be fixed together and a second locking part(75) detachably locking to each other can detach a backside lower part and the supporting member of the cleaner body. When the cleaner body uses as the upright type, the cleaner body can be easily mounted on the supporting member by locking the backside lower part of the cleaner body to the supporting member through a second locking part with supporting the lower-part of the cleaner body to the supporting member through a first locking part. When cleaner body uses as the canister type, locking between the backside lower part of the cleaner body and the supporting member is canceled through the second locking part.

Description

Vacuum cleaner for using in upright type and canister type}

The present invention relates to a vacuum cleaner, and more particularly, to an upright and canister combined vacuum cleaner which can be used by separating a cleaner body having a dust collector and a suction motor from a support unit hinged to a suction port.

In general, the upright type vacuum cleaner forcibly sucks dust or dirt together with air from the outside by suction force generated inside the main body to perform cleaning of the surface to be cleaned such as floor or carpet.

Such a conventional upright vacuum cleaner includes a cleaner body and a suction inlet body provided below the cleaner body to be movable along the surface to be cleaned. In addition, inside the cleaner body, a dust collecting device for collecting dust sucked from the surface to be cleaned and a motor chamber in which a suction motor is installed below the dust collecting device are formed. Such an upright type vacuum cleaner is mainly used to clean a large surface to be cleaned such as a floor or a carpet.

However, the conventional upright vacuum cleaner does not separate from each other because the cleaner body is hinged to the suction body. Therefore, when cleaning in a narrow area, such as stairs or gaps, in addition to the floor with a large cleaning area, the suction port and the vacuum cleaner body are integrated, which makes it difficult to move and cleans properly due to the weight of the vacuum cleaner. There was a problem that was difficult to do. In addition, in order to clean a narrow area or a part having a locking jaw on the floor, the user had to separately purchase an accessory for a brush or a vacuum cleaner, or a separate canister-type vacuum cleaner.

In order to solve this problem, as described in Korean Patent Registration No. 474083, the present applicant has proposed an upright cleaner having a locking part for separating both sides of the cleaner body from the support member hinged to the suction port. . The locking part of the cleaner includes a button operation part elastically supported by a handle part of the vacuum cleaner body, a coupling protrusion integrally formed with the button operation part, and a coupling protrusion groove formed on the support member. Therefore, when separating both sides of the cleaner body from the support member, when the user presses the button operation portion, the engaging projection of the button operation portion is separated from the engaging projection groove of the support member, so that the cleaner body can be separated from the support member do.

However, since the conventional detachable upright vacuum cleaner has a structure in which both sides of the cleaner body are attached to and detached from an arch support member larger than the outer circumference of the cleaner body, it is difficult to attach various accessories such as an extension hose to the cleaner body. In general, there was a problem that the volume of the vacuum cleaner became large.

The present invention has been made to solve the above problems, an object of the present invention is to maintain the compact size of the vacuum cleaner while the vacuum cleaner that can be used in the canister type and upright type by easily separating and combining the cleaner body from the support unit To provide.

Vacuum cleaner according to an embodiment of the present invention for achieving the above object, the suction port for sucking dirt while moving on the surface to be cleaned; A cleaner body having a dust collecting device for separating and collecting the dirt from the air sucked with the dirt from the surface to be cleaned; A support unit hinged to the suction port and supporting the lower part of the cleaner body so as to communicate with the suction port; And a locking unit locking the lower portion of the cleaner body to the support unit.

Here, the cleaner main body may further include an extension pipe assembly communicating with the cleaner main body, the extension tube assembly disposed on one side of the cleaner main body so as to be detachable along the length direction. Extension tube assembly is preferably composed of a suction hose connected to the cleaner body, the operation handle connected to the suction hose, and one end portion is connected to the operation handle so as to communicate with the cleaner body. In this case, the other end of the extension tube is connected to the suction port when the vacuum cleaner is used as an upright type, and serves as an air moving path from the suction port to the vacuum cleaner body. It is in communication with the suction brush or other accessory that can clean the part with the jam.

The locking unit may include a first locking part for supporting the lower surface of the cleaner body so as not to move with each other, and a second locking part for fixing the lower one side of the cleaner body and the support unit to be detachable from each other.

The first locking portion is preferably composed of at least one protrusion formed on the bottom surface of the cleaner body, and at least one recess formed in the support unit opposite the protrusion. In this case, the at least one protrusion is composed of first and second protrusions formed on the bottom surface of the support mounts formed at predetermined intervals in front of the lower surface of the cleaner body, and a third protrusion formed at the center of the lower surface of the cleaner body. The groove may be composed of first and second grooves formed in the support unit to face the first and second protrusions, and third grooves formed in the support unit to face the third protrusion.

In addition, the second locking portion has at least one locking groove formed on one side of the lower portion of the cleaner body, rotatably supported by the support unit, and at least one hook that is locked to the locking groove when the cleaner body is mounted to the support unit. It is preferable that the locking member and the elastic member for elastically pressing the locking member so that the hook of the locking member is locked to the locking groove when the cleaner body is mounted on the support unit. In this case, the locking member has a first end having at least one hook protruding out of the support unit toward the locking groove, and the second end has a pedal protruding out of the support unit so that the user can press it with the foot. The end is preferably composed of a Y-shaped lever having a contact portion disposed in contact with the lower surface of the cleaner body to lift the cleaner body when the pedal is pressed. Optionally, the locking member is not constituted by a Y-shaped lever, the first end having at least one hook protruding out of the support unit toward the locking groove and the second end being outside the support unit so that the user can press it with his feet. It may consist of an L-shaped lever with a protruding pedal.

The second locking portion may further include a positioning member to position the position at which the hook is locked to the locking groove when the cleaner body is mounted to the support unit. The positioning member is preferably composed of a positioning groove formed at the rear of the lower surface of the cleaner body adjacent to the locking groove, and a positioning protrusion protruding from the support unit facing the positioning groove with a predetermined distance from the hook.

According to the upright and canister combined vacuum cleaner of the present invention as described above, as the support unit is configured to support the lower portion of the cleaner body, the arch is larger than the outer circumference of the cleaner body as in the conventional vacuum cleaner. It does not have to be configured in shape, thereby making it possible to make the size of the vacuum cleaner compact, and also to freely mount various accessories such as an extension tube assembly to the cleaner body.

In addition, the vacuum cleaner combines the upright and canister of the present invention so that the locking unit can be detached from each other the first locking portion for supporting the lower surface and the support member of the cleaner body, and the lower one side and the support member of the cleaner body. It is comprised by the 2nd locking part which locks. Therefore, when the cleaner body is coupled to the suction port and used as an upright type, the lower part of the cleaner body is supported by the second locking part while supporting the lower surface of the cleaner body through the first locking part while the cleaner body is placed on the support member. By locking one side to the support member, the cleaner body can be easily mounted to the support member, and when separating the cleaner body from the suction port and using it as a canister type, locking between the lower one side of the cleaner body and the support member through a second locking part By releasing and removing the cleaner body from the support member of the support unit, the cleaner body can be easily detached from the support member.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the vacuum cleaner combined with the upright and canister according to an embodiment of the present invention.

1 is a perspective view illustrating an upright type use state in which a cleaner body of a combined vacuum cleaner and an upright canister according to an embodiment of the present invention are mounted on a support unit and positioned in a vertical state, and FIG. An exploded perspective view, each showing a canister type usage condition, positioned separately from

1 and 2, the vacuum cleaner 1 combined with an upright and canister according to an embodiment of the present invention includes a cleaner body 10, a suction port 30, a support unit 50, and a locking unit 70. ).

As shown in FIGS. 1, 2 and 5, the cleaner body 10 includes a motor chamber 13 in which a suction motor (not shown) is mounted on a lower portion 11, and the upper side of the lower portion 11. Is arranged so that the dust collector 14 for separating dust is isolated from the motor chamber 13. The dust collector 14 separates the dust introduced with the air from the outside with the cyclone portion 14a for separating the dust and the air separated from the dust, and the cyclone to collect the dust falling off from the cyclone portion 14a. The dust container 14b arrange | positioned under the part 14a is included. The dust container 14b is detachably coupled between the cyclone portion 14a and the lower portion 11 of the cleaner body 10 so as to empty the collected dust.

In addition, the cleaner main body 10 is a power cord (not shown) which is wound by a pair of winding protrusions 15a (only one shown in FIG. 1) formed at regular intervals on the upper and lower sides of the dust collector 14 on one side thereof. Is disposed, the top of the body handle 20 is fixed. As shown in FIG. 2, when the cleaner 1 is used in a canister shape, that is, the cleaner body 10 is separated from the support unit 50 and separated from the inlet body 30, the cleaner body 10 is disposed at a lower rear side of the cleaner body 10. When used, first and second small wheels 21a (only one shown in FIGS. 2 and 3) are installed for smoothly moving the cleaner body 10 along the surface to be cleaned.

In addition, the extension tube assembly 16 is detachably disposed at the rear of the cleaner body 10. As shown in detail in FIG. 3, the extension tube assembly 16 is composed of an extension hose 17, an operation handle 18, and an extension tube 19. The extension hose 17 is connected to the cyclone portion 14a of the dust collector 14 of the cleaner body 10 at one end thereof, and is connected to the rear surface of the cleaner body 10 by upper and lower hose hooks 22a and 22b. It is fixedly supported. Here, the upper hose hanger (22a) is formed on the upper side of the rear of the cleaner body 10, the lower hose hanger (22b) is formed on the extension pipe fixing portion 23 formed on the lower portion of the rear of the cleaner body (10). The operation handle 18 is connected to the other end of the extension hose 17 at the rear end, and is inserted and supported in the opening groove 20a formed at the rear side of the main body handle 20 installed at the top of the cleaner body 10 at the front end. do.

Extension tube 19 is connected to the front end of the operation handle 18 at the upper end. As shown in FIG. 1, when the cleaner 1 is used in an upright type, that is, when the cleaner body 10 is mounted to the support unit 50 and used together with the suction port 30, the lower end of the extension pipe 19 is shown. 5 is inserted into and connected to the connection pipe 56 of the hinge member 55 of the support unit 50 to be described later through the support hole 23a of the extension pipe fixing part 23, as shown in FIG. It serves as an air movement path from the cleaner body 10 to. On the other hand, as shown in Figure 2, when the vacuum cleaner 1 is used in the canister type, that is, when the vacuum cleaner body 10 is separated from the support unit 50 and used independently of the suction port 30, the extension tube ( 19, the lower end of the hinge member 55 is connected to a suction brush or other accessory (not shown) that can be separated from the connecting pipe 56 of the hinge member 55 to clean a narrow area or a part having a locking jaw on the bottom.

Referring to FIG. 5, the suction port 30 has a suction port 31 for suctioning air on the surface to be cleaned. The suction port 31 is rotatably provided with a drum brush 32 to shake off dirt attached to the surface to be cleaned. The drum brush 32 is connected to the drive shaft of the drive motor 33 through a power transmission device (not shown) such as a belt, gear, etc., and is rotationally driven by the drive motor 33. In addition, an air flow path (not shown) through which the air sucked through the suction port 31 flows is formed inside the suction port 30, and the first and second sides smoothly move the surface to be cleaned, respectively, to both rear sides. Large wheels 34a and 34b (see FIGS. 1 to 4) are rotatably coupled.

2 to 5, the support unit 50 mounts and supports the lower part 11 of the cleaner body 10, the lower part of which is hinged to the inlet body 30 at the rear center of the inlet body 30. Combined. The support unit 50 is composed of a support member 51 and a hinge member 55 fixed to each other by coupling means (not shown) such as screws. The support member 51 is configured in the form of an L-shaped plate having an L-shaped support surface for supporting a lower surface and a lower rear surface of the cleaner body 10. The support member 51 is seated on the recess 52 (see FIG. 4) formed in a shape corresponding to that of the support member 51 on the upper surface of the suction port 30. Hinge member 55 is hinged to the suction inlet 30 from the bottom, the connection pipe 56 (see Figs. 2, 4 and 5) is installed at one side. The connecting pipe 56 may rotate with the air flow path of the intake port 30 through the connection part 35 so that the support unit 50 communicates with the air flow path of the intake port 30 when the support unit 50 is hinged with respect to the intake port 30. Can be combined.

Therefore, when the cleaner 1 is used in the upright type, the user can freely rotate the cleaner body 10 from the vertical position (see FIG. 1) to the horizontal position through the support unit 50.

2 to 7, the locking unit 70 locks the lower portion 11 of the cleaner body 10 to the support member 51 of the support unit 50 so as to be detachable. It consists of two locking parts 71 and 75.

The first locking portion 71 is at least one formed on the lower surface of the cleaner body 10, for example, the first to third protrusions 71a, 71b, 71c (see FIGS. 5 to 7), and the first to third portions. At least one, for example, first to third recesses 72a, 72b, 72c formed in the support member 51 of the support unit 50 opposite the projections 71a, 71b, 71c. 2 and 5, the first and second protrusions (71a, 71b) is the bottom of the first and second support mounts (11a, 11b) formed at regular intervals in front of the lower surface of the cleaner body (10). It is formed on the surface, the third projection (71c) is composed of a rectangular projection formed in the center of the lower surface of the cleaner body 10. The first and second grooves (72a, 72b) are respectively the first and second projections (71a, It is formed in the support member 51 facing 71b), and the 3rd groove 72c is formed in the support member 51 facing the 3rd protrusion 71c.

Therefore, when the cleaner main body 10 is mounted on the support unit 50, the first to third recesses 72a, 72b and 72c accommodate the first to third protrusions 71a, 71b and 71c to clean the main body. The lower portion of 10 is supported by the support member 51 so as not to move.

The second locking part 75 fixes the lower part 11 and the support member 51 of the cleaner body 10 to be detachable from each other. To this end, the second locking portion 75 is at least one, for example, the first and second locking grooves 76a (only the first locking groove is shown in FIGS. 5 to 7), the locking member 77, and An elastic member 79 is provided.

The first and second locking grooves 76a are formed at predetermined intervals on the lower rear surface of the cleaner body 10.

The locking member 77 is composed of a Y-shaped lever 78 which is rotatably supported by the rotary shaft 61 of the support unit 50 and has first to third ends 78a, 78b, and 78c. As shown in FIG. 8, the first end 78a of the Y-shaped lever 78 has the first and second locking grooves when the cleaner body 10 is mounted on the support member 51 of the support unit 50. The first and second hooks 81 protrude out of the support member 51 toward the first and second locking grooves 76a to be locked to the 76a. The second end 78b includes a pedal 82 protruding outside the hinge member 55 of the support unit 50 to be exposed to the outside. The third end 78c has a contact portion 83 configured to contact the bottom surface of the cleaner body 10 in the support unit 50 to lift the cleaner body 10 when the pedal 82 is pressed by the user's foot. It is provided.

The elastic member 79 includes the first and second hooks 81 of the first end 78a of the Y-shaped lever 78 when the cleaner body 10 is mounted on the support member 51 of the support unit 50. The first end portion 78a of the Y-shaped lever 78 is elastically pressed so that the first locking portion 78a is locked to the first and second locking grooves 76a. To this end, the elastic member 79 is installed on the fixed mount 62 of the hinge member 55 between the first end 78a of the Y-shaped lever 78 and the hinge member 55.

2 and 5, the first and second hooks 81 are locked to the first and second locking grooves 76a when the cleaner body 10 is mounted to the support unit 50. In order to position the second locking portion 75 further includes a positioning member (85). The positioning member 85 is positioned at a predetermined distance from the positioning groove 86 formed at the rear of the lower surface of the cleaner body 10 adjacent to the first and second locking grooves 76a and the first and second hooks 81. The positioning protrusion 87 protrudes from the support member 51 to face the groove 86.

Therefore, in order to attach the cleaner body 10 to the support member 51 of the support unit 50 to be coupled with the suction port 30, as shown in FIG. 5, the rear portion of the lower surface of the cleaner body 10 is When mounted on the support member 51, the positioning protrusion 87 is inserted into the positioning groove 86 to position the first and second hooks 81 to be locked to the first and second locking grooves 76a. Position. At this time, the rear lower portion of the cleaner body 10 adjacent to the positioning groove 86 pushes the first end 78a of the Y-shaped lever 78 against the elastic force of the elastic member 79 and supports the positioning protrusion 87. It is inserted into the space between the members 51. Thereafter, as shown in FIG. 6, when the positioning protrusion 87 is completely inserted into the positioning groove 86, that is, the rear lower portion of the cleaner main body 10 has a space between the positioning protrusion 87 and the support member 86. When fully inserted in the first and second hooks 81 of the first end 78a, the force of the cleaner body 10 pressing the contact portion 83 of the third end 78c and the elastic force of the elastic member 79 The first and second locking grooves 76a are inserted into and locked by the first and second locking grooves 76a. Accordingly, the cleaner body 10 is fixed to the support member 51 of the support unit 50 so as not to move.

On the contrary, the pedal 82 of the second end 78b of the Y-shaped lever 78 is detached from the support member 51 of the support unit 50 and detached from the suction port 30. When pressed by the user's foot, as shown in FIG. 7, the first and second hooks 81 of the first end 78a face the first and second locking grooves against the elastic force of the elastic member 79. 76a), the contact portion 83 of the third end 78c pushes the lower surface of the cleaner body 10 to lift the cleaner body 10 upward. As a result, the rear lower part of the cleaner body 10 adjacent to the positioning groove 86 is raised upward by the distance from which the cleaner body 10 is lifted upward, so that the first end 78a of the first end 78a of the Y-shaped lever 78 is raised. And a position opposite to the second hook 81. Thus, the cleaner body 10 can be freely separated from the support member 51 of the support unit 50.

In the above, the upright and canister combined vacuum cleaner 1 of the present invention has been exemplified and described as that the locking member 77 of the second locking portion 75 is composed of the Y-shaped lever 78, but the present invention is limited thereto. It doesn't work. For example, as shown in FIG. 9, the locking member 77 of the second locking portion 75 is provided with the first end 78a and the pedal 82 having the first and second hooks 81. It may be formed of an L-shaped member 78 'having a second end 78b provided. In this case, when the pedal 82 of the second end 78b of the L-shaped member 78 'is pressed with the user's foot, the L-shaped member 78' will be brought into contact with the contact portion 83 of the third end 78c. Since it is not provided, it is not possible to push the lower surface of the cleaner body 10 to lift the cleaner body 10 upward. Therefore, in this case, the user presses the pedal 82 of the second end 78b with his foot to release the locking between the first and second hooks 81 and the first and second locking grooves 76a. The main body 10 is removed from the support member 51 of the support unit 50.

The operation of using the upright and canister combined vacuum cleaner 1 of the present invention as described above as the upright type and the canister type will now be described with reference to FIGS. 1 to 7.

First, the operation of switching to the upright type as shown in FIG. 1 while using the upright and canister combined vacuum cleaner 1 as shown in FIG. 2 will be described.

In order to attach the cleaner body 10 to the support unit 50 and to couple it to the suction inlet 30, the user grasps the body handle 20 and obliquely rotates the cleaner body 10 forward as shown in FIG. 5. The first and second support mounts 11a and 11b positioned in front of the lower surface of the cleaner body 10 in an inclined state are placed on the first and second recesses 72a and 72b of the support member 51. At this time, the first and second recesses 72a and 72b of the support member 51 accommodate the first and second protrusions 71a and 71b of the first and second support mounts 11a and 11b, and the third The recess 72c partially accommodates the third protrusion 71c.

Subsequently, the user pulls the vacuum cleaner body 10 backward to position the mounting position of the vacuum cleaner body 10 in which the first and second hooks 81 can be locked to the first and second locking grooves 76a. The protrusion 87 is inserted into the positioning groove 86. In this case, as described above with reference to FIGS. 5 and 6, the lower rear surface of the cleaner body 10 adjacent to the positioning groove 86 may face the first force of the Y-shaped lever 78 against the elastic force of the elastic member 79. The end portion 78a is inserted into the space between the positioning protrusion 87 and the support member 51, and the first and second hooks 81 of the first end 78a are elastically driven by the elastic force of the elastic member 79. It is inserted into and locked to the first and second locking grooves 76a. In addition, the lower end of the extension tube 19 is inserted and coupled to the heat connection tube 56 of the hinge member 55. Accordingly, the cleaner body 10 is fixed to the support unit 50 so as not to move.

In this state, the user freely rotates the vacuum cleaner body 10 from the vertical position (see FIG. 1) to the horizontal position through the support unit 50 using the main body handle 20 and simultaneously avoids the suction port 30. Perform cleaning by moving along the cleaning surface.

Next, an operation of switching to the canister type as shown in FIG. 2 while using the upright and canister combined vacuum cleaner 1 as the upright type as shown in FIG. 1 will be described.

First, the user presses the pedal 82 of the second end 78b of the Y-shaped lever 78 to remove the cleaner body 10 from the support unit 50 and to separate it from the suction port 30.

Then, the first and second hooks 81 of the first end 78a are separated from the first and second locking grooves 76a against the elastic force of the elastic member 79 as described above with reference to FIG. 7. At the same time, the contact portion 83 of the third end 78c pushes the lower surface of the cleaner body 10 to lift the cleaner body 10 upward. In this state, as shown in FIG. 2, the user grasps the main body handle 20 and removes and removes the cleaner main body 10 from the support member 51.

Thereafter, the user grasps the operation handle 18 of the extension tube assembly 16 and pulls out the extension tube 19 from the opening groove 20a and the support hole 23a of the extension tube fixing part 23, and simultaneously removes the extension hose 17. Remove the upper and lower hooks (22a, 22b), and then connect the lower end of the extension tube 19 with a suction brush or other accessories that can clean the narrow area or the part with the locking jaw on the bottom.

Then, the user lays down the cleaner body 10 so that the first and second small wheels 21a and the lower surface touch the floor, and grasps the operation handle 18 of the extension tube assembly 16 to the lower end of the extension tube 19. Carry out the cleaning by moving the connected suction brush or other accessory along the surface to be cleaned.

As described above, according to the upright and canister combined vacuum cleaner 1 of the present invention, as the support unit 50 is configured to support the lower portion of the cleaner body 10 to be detachable, the support unit 50 ) Does not have to be configured in an arcuate shape larger than the outer periphery of the cleaner body, such as a conventional vacuum cleaner, thereby making it possible to compactly slim the size of the vacuum cleaner, as well as the extension tube assembly (16) in the cleaner body (10) Various accessories such as) can be attached freely.

In addition, the upright and canister combined vacuum cleaner 1 of the present invention includes a first locking portion 71 for allowing the locking unit 70 to support the lower surface of the cleaner body 10 and the support member 51 so as not to move with each other, and The second locking part 75 is configured to lock the rear lower part of the cleaner body 10 and the support member 51 to be attached to and detached from each other. Therefore, when the cleaner body 10 is coupled to the suction port 30 and used as an upright type, the cleaner body 10 is placed on the support member 51 while the cleaner body 10 is mounted on the support member 51. The cleaner body 10 is supported by the support member 51 by supporting the lower surface of the support member 51 and locking the lower rear surface of the cleaner body 10 to the support member 51 through the second locking portion 75. Can be easily mounted on the back of the cleaner body 10 and the support member 51 through the second locking portion 75 when the cleaner body 10 is used as a canister by separating the cleaner body 10 from the suction port 30. The vacuum cleaner body 10 can be easily detached from the support member 51 by releasing the locking therebetween and then removing the cleaner body 10 from the support member 51.

While the invention has been shown and described with respect to preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

The present invention is applied to a vacuum cleaner, the cleaner body having a dust collector and a suction motor is separated and coupled to the support member of the support unit hinged to the suction inlet to enable use in canister type and upright type.

1 is a perspective view showing a state using an upright and canister combined vacuum cleaner according to an embodiment of the present invention as an upright type,

2 is a perspective view showing a state in which the vacuum cleaner shown in FIG. 1 is used as a canister type;

3 is a perspective view of the vacuum cleaner shown in FIG. 1 with the hinge member of the support unit omitted;

Figure 4 is a perspective view showing the inlet port of the vacuum cleaner shown in Figure 2 with the support member of the support unit omitted;

5 to 7 are partial cross-sectional views illustrating the operation of the locking unit of the vacuum cleaner shown in FIG.

8 is a perspective view showing the locking member of the second locking portion of the locking unit of the vacuum cleaner in FIGS.

9 is a perspective view showing a modification of the locking member of the second locking portion of the locking unit shown in FIG.

* Description of Signs for Main Parts in Drawings *

DESCRIPTION OF SYMBOLS 1: Vacuum cleaner 10: Vacuum cleaner body 16: Extension tube assembly 17: Extension hose

18: operation handle 19: extension tube

30: suction port 31: suction port

50: support unit 51: support member

55: hinge member 70: locking unit

71, 75: locking parts 71a, 71b, 71c: projection

72a, 72b, 72c: groove 76a: locking groove

77: locking member 78, 78 ': lever

79: elastic member 81: hook

82: pedal 83: contact

85: positioning member 86: positioning groove

87: positioning protrusion

Claims (12)

A suction port for sucking dirt while moving on the surface to be cleaned; A cleaner body having a dust collecting device for separating and collecting dirt from air sucked with dirt from the surface to be cleaned; A support unit hinged to the suction inlet and supporting a lower portion of the cleaner body in communication with the suction inlet; And And a locking unit configured to lock a lower portion of the cleaner body to the support unit. The vacuum cleaner as claimed in claim 1, wherein the cleaner body further comprises an extension tube assembly communicating with the cleaner body and detachable in a length direction on one side of the cleaner body. According to claim 2, The extension tube assembly, A suction hose connected to the cleaner body so as to communicate with the cleaner body; An operation handle connected to the suction hose; And And an extension pipe having one end connected to the operation handle. The method of claim 3, wherein the other end of the extension tube is connected to the suction port when the cleaner is used as an upright type, and serves as an air movement path from the suction port to the cleaner body. A vacuum cleaner, characterized in that it is separated from the inlet and communicated with a suction brush or other accessory for cleaning a narrow area or a part having a locking jaw on the floor. The method of claim 1, wherein the locking unit, A first locking part for supporting the lower surface of the cleaner body and the support unit without moving from each other; And And a second locking part for fixing the lower one side of the cleaner body and the support unit to be detachably attached to each other. The method of claim 5, wherein the first locking portion, At least one protrusion formed on a bottom surface of the cleaner body; And And at least one recess formed in the support unit to face the protrusion. The method of claim 6. The at least one protrusion includes first and second protrusions formed on the bottom surface of the support mounts formed at a predetermined interval in front of the bottom surface of the cleaner body, and a third protrusion formed at the center of the bottom surface of the cleaner body. The at least one groove includes first and second grooves formed in the support unit to face the first and second protrusions, and a third groove formed in the support unit to face the third protrusion. Vacuum cleaner. The method of claim 5, wherein the second locking portion, At least one locking groove formed on one lower surface of the cleaner body; A locking member rotatably supported by the support unit and having at least one hook locked to the locking groove when the cleaner body is mounted to the support unit; And And an elastic member for elastically pressing the locking member so that the hook of the locking member is locked to the locking groove when the cleaner body is mounted to the support unit. According to claim 8, The locking member, The first end has at least one hook protruding out of the support unit toward the locking groove and the second end protrudes out of the support unit for the user to press And a Y-shaped lever having a pedal and having a contact portion disposed in contact with the lower surface of the cleaner body in the support unit to lift the cleaner body when the pedal is depressed. vacuum cleaner. According to claim 8, The locking member, The first end has at least one hook protruding out of the support unit toward the locking groove and the second end protrudes out of the support unit for the user to press A vacuum cleaner comprising an L-shaped lever having a pedal. The method of claim 8, And the second locking part further comprises a positioning member for positioning a position at which the hook is locked to the locking groove when the cleaner body is mounted to the support unit. The method of claim 11, wherein the positioning member, A positioning groove formed at a rear side of the lower surface of the cleaner body adjacent to the locking groove; And And a positioning protrusion protruding from the support unit to face the positioning groove with a predetermined distance from the hook.

Images