KR200372947Y1 - A suction nozzle for vacuum cleaner - Google Patents

Abstract

The present invention relates to a suction nozzle of a vacuum cleaner in which a sealing part for preventing the leakage of air is integrally formed at the end of the dividing wall that partitions the inner space back and forth.

The present invention, the bottom plate is provided with a separator plate 114 on the left and right, and forms an upper appearance 110 and; A lower cover 100 coupled to a lower side of the upper cover 110 and forming a lower appearance; A separation wall (130) formed at left and right sides of the lower cover (100) to be coupled to the separating plate (114) to partition the space above and below the lower cover (100); An air inlet 120 formed through the lower cover 100 and serving as a passage through which air and foreign matter are introduced; An agitator 122 installed at one side of the air suction port 120 to separate the foreign matter attached to the bottom surface; It has a configuration comprising a rotation motor 150 for providing a rotational power to the agitator (122); An upper portion of the dividing wall 130 is combined with the dividing plate 114 to form an integral sealing portion 130 ′ that prevents leakage of air. According to such a configuration, there is an advantage that the leakage of air is prevented and the labor of labor is reduced.

Description

A suction nozzle for vacuum cleaner

The present invention relates to a vacuum cleaner, and more particularly, a suction wall of a vacuum cleaner, in which a partition wall partitioning the inner space back and forth is formed left and right, and a sealing part for preventing leakage of air is integrally formed at an end of the partition wall. It is about.

1 shows a configuration of a general vacuum cleaner. As shown in the drawing, the vacuum cleaner includes a main body 1 having suction means for sucking air in the room, and a suction nozzle 2 into which air on the bottom surface is introduced by suction force generated in the main body 1. Has a configuration to include.

On the other hand, the main body 1, the lower body (5) to which the suction means is received and fastened, and the parts embedded in the lower body (5) so as not to be exposed to the outside, the electric part for controlling the vacuum cleaner (not shown) It is composed of an upper body (6) that is built.

In addition, wheels 8 are fastened to both sides of the body so that the main body 1 can smoothly move the bottom surface, and the wheels 8 are separated from foreign substances sucked from the air sucked through the suction nozzles 2. A discharge portion 8a through which air of the air is discharged from the main body 1 is constituted.

Between the main body 1 and the suction nozzle 2, a suction hose 3b made of a flexible material, an operation unit 4 connected to an end of the suction hose 3b, and the operation unit 4 ) And an extension tube 3a for connecting the suction nozzle 2 are sequentially installed, so that the suction force generated in the main body 1 can be transmitted to the suction nozzle 2.

Therefore, when electricity is applied through the wire 9 connected to the power supply unit (not shown) built in the main body 1, the vacuum cleaner is in a standby state. At this time, if the user adjusts the suction step by using the button of the operation unit 4, the suction force suitable for each step is generated by the suction means built in the main body.

The suction force generated through the suction means is transmitted to the suction nozzle 2 via the suction hose 3b and the extension pipe 3a which are fastened to the suction connector 3c. The air containing the foreign matter such as dust or lint is sucked by the suction force transmitted to the suction nozzle 2, and the air containing the fine dust and the like is separated by the dust collecting container 10 from the sucked air. The cleaning is performed while discharging to the outside of the main body 1 through 8a).

2 shows the inside of the suction nozzle 2. As shown in the drawing, the bottom surface of the suction nozzle 2 is formed so that the air intake opening 20 through which air and foreign matter are sucked, and the agitator scraping the foreign material of the bottom surface on the upper side of the air suction opening 20. 22 is installed.

The agitator 22 is connected to the rotary turbine 24 and the transmission belt 26 installed on the rear side. Therefore, when the air sucked through the air suction port 20 and introduced into the extension pipe 3a rotates the rotary turbine 24, the agitator 22 connected to the transmission belt 26 also rotates together. . In this case, the foreign material on the bottom surface is removed by the brush 22 'formed on the outer circumferential surface of the agitator 22 and is sucked through the air suction port 20.

Meanwhile, a separating wall 28 is formed at the rear of the agitator 22. The dividing wall 28 is formed to the left and right to partition the internal space back and forth, the air through the opening 28 'is formed in the central portion of the dividing wall 28. Therefore, the air and the foreign matter introduced into the air inlet 20 flows backward through the air through hole 28 ′.

However, in the prior art as described above, there is a problem in that air flowing into the suction nozzle 2 leaks. That is, the upper end of the separation wall 28 provided in the suction nozzle 2 is in close contact with the bottom surface of the cover (not shown) of the suction nozzle 2, between the separation wall 28 and the cover (not shown) There is a problem that the performance of the vacuum cleaner is deteriorated due to the leakage of air through the gap.

Therefore, an object of the present invention is to solve the problems in the prior art as described above, there is provided a partition wall for partitioning the internal space back and forth, and the sealing portion to prevent the leakage of air to the upper end of the partition wall integrally It is to provide a suction nozzle of the vacuum cleaner to be formed.

1 is a perspective view showing an appearance configuration of a general vacuum cleaner.

Figure 2 is a plan view showing the internal configuration of a vacuum cleaner suction nozzle according to the prior art.

Figure 3 is a perspective view of an upright vacuum cleaner employing a preferred embodiment of the vacuum cleaner suction nozzle according to the present invention.

Figure 4 is an exploded perspective view showing the internal configuration of the vacuum cleaner suction nozzle according to the present invention.

5 is a bottom perspective view of the upper cover of the vacuum cleaner suction nozzle according to the present invention;

Figure 6 is a cross-sectional view showing a coupling state of the separation wall and the separator which is a main component of the vacuum cleaner suction nozzle according to the present invention.

Explanation of symbols on the main parts of the drawings

50. Vacuum cleaner 60. Suction nozzle

70. Body 72. Unit mounting part

74. Exhaust Cover 76. Mini Nozzle

78. Release lever 80. Handle

100. Lower Cover 110. Upper Cover

112. Knob exposure hole 120. Air intake port

122. Agitator 130. Partition wall

132. Incision 140. Height Adjustment Mechanism

142. Height adjustment knob 150. Rotary motor

152. Motor shaft 154. Transmission belt

156. Motor cover 160. Body seat

H. Connecting hose H '. Nozzle hose

L. Lamp S. Operation Switch

According to a feature of the present invention for achieving the above object, the present invention, the bottom surface is provided with a separation plate left and right, and an upper cover to form an upper appearance; A lower cover coupled to a lower side of the upper cover and forming a lower appearance; A separation wall formed to the left and right sides of the lower cover and coupled to the separation plate to partition the space above and below the lower cover; An air inlet formed through the lower cover and serving as a passage through which air and foreign substances are introduced; An agitator installed at one side of the air inlet and separating foreign matter attached to the bottom surface; It has a configuration comprising a rotary motor for providing a rotational power to the agitator; An upper end of the dividing wall is integrally formed with a sealing part which is combined with the dividing plate to prevent leakage of air.

The sealing portion is characterized in that the sealing groove is formed to receive the lower end of the separating plate.

The sealing portion is characterized in that the cross section has a '∪' shape.

And one side of the separation wall is characterized in that the air guide member for guiding the air introduced through the air inlet to the rear is further installed.

The upper end of the air guide member is coupled to the separation plate of the upper cover, characterized in that the sealing portion to prevent the leakage of air is integrally formed.

The sealing portion is characterized in that the sealing groove is formed to receive the lower end of the separating plate.

According to such a configuration, there is an advantage that the leakage of air is prevented and the labor of labor is reduced.

3 is a perspective view of an upright type vacuum cleaner according to one embodiment of the present invention.

As shown in the drawing, the upright vacuum cleaner 50 sucks air containing foreign matter through the suction nozzle 60 and suctions air containing foreign matter while moving along the bottom surface. It has a configuration that includes a body 70 is built in the means for generating a suction force for the purpose, and the handle 80 is installed on the upper portion of the body 70 to facilitate the mounting of the user.

The suction nozzle 60 is a portion for sucking air through a suction port (not shown) formed at a bottom thereof while moving in a state close to the bottom surface. That is, a suction port is formed on the bottom of the suction nozzle 60 to serve as a main suction passage of external air to guide the inflow of air. In addition, the suction nozzle 60 is generally provided with moving wheels 62 on both sides to facilitate the movement.

The connection part of the suction nozzle 60 and the body 70 is configured such that the body 70 is rotatable within a predetermined angle range. That is, the body 70 is coupled to be rotatable in a range of a predetermined inclination angle rearward with respect to the suction nozzle 60, the rear end of the upper surface of the suction nozzle 60 to control the rotation of the body 70 The rotation lever 64 is further provided.

Therefore, when the user pulls the body 70 backward by holding the handle 80 by hand in the state of stepping on the pivot lever 64 by using the foot, the body 70 is inclined backward. In this case, the user can clean the bottom surface while adjusting the body 70 to a desired angle according to his height.

Inside the body 70, components such as a motor (not shown) and a suction fan (not shown) for generating a suction force are built in so as to suck external air and foreign matter through the suction nozzle 60. . And the central portion of the body 70 is formed with a unit mounting portion 72 recessed in a predetermined portion from the front of the body 70 to the rear. Therefore, the dust collecting unit 73 to be described below is inserted into the unit mounting portion 72.

In the unit mounting portion 72 of the body 70, a dust collecting unit 73 having a cylindrical shape is installed. The dust collecting unit 73 serves to filter foreign matter in the air sucked through the suction nozzle 60 and is detachably mounted to the unit mounting unit 72.

The dust collecting unit 73 generally filters foreign matters by a cyclone method, filters foreign matters through a separate filter, or simultaneously collects foreign matters by performing a cyclone method and a filter method. It is composed.

On the other hand, the lower portion of the unit mounting portion 72 is provided with a lamp (L). The lamp (L) serves to illuminate the front of the vacuum cleaner, it is preferably composed of a small bulb or LED (LED).

The exhaust cover 74 is detachably installed at the side of the body 70. The exhaust cover 74 surrounds an outlet through which the filtered air is discharged while passing through the dust collecting unit 73. An exhaust filter (not shown) is provided inside the exhaust cover 74. The exhaust filter re-filters the foreign matter of the air discharged to the outside (indoor space) to discharge more comfortable air to the indoor space.

The mini-nozzle 76 is mounted on the front surface of the upper end of the body 70. The mini-nozzle 76 has a smaller size than the suction nozzle 60, and is detachably mounted to be used when cleaning a narrow space such as a staircase.

A detachable lever 78 is further provided on the front surface of the body 70. The detachable lever 78 is configured to flow up and down about a hinge axis (not shown) of the center portion, and the rear end thereof is hooked to a detachable groove (not shown) formed on the upper surface of the dust collecting unit 73. Therefore, the upper end of the dust collecting unit 73 is fixed by the detachable lever 78.

The handle 80 is composed of a handle portion 82 to facilitate the user's grip and a handle pipe 84 connected to the lower portion of the handle portion 82 and the like. An operation switch S is further provided on a front surface of the handle portion 82, and a pipe lever 86 for controlling sliding of the handle pipe 84 is provided inside the handle portion 82.

The handle pipe 84 is configured in a fold so that the length can be adjusted to slide up and down. That is, when the pipe lever 86 is pulled, the handle pipe 84 is configured to slide up and down. Therefore, the user can adjust the height of the handle portion 82 to be easy to use according to the height of their own.

The cord hanger 88 is further formed on the rear surface of the handle pipe 84. The cord hangers 88 are preferably formed in pairs symmetrically with each other at the rear upper and lower ends of the body 70, and the power cord is wound around and stored in the pair of cord hangers 88.

And a connection hose (H) is provided between the suction nozzle 60 and the body 70 to guide the flow of air and dirt. And the nozzle hose (H ') is further connected to the connection hose (H). Therefore, the air and the foreign matter discharged from the suction nozzle 60 is introduced into the body 70 via the nozzle hose (H ') and the connection hose (H).

Meanwhile, the movement handle 90 is provided on the upper surface of the body 70. The movement handle 90 facilitates the movement of the vacuum cleaner 50 and serves as a holder on which a portion of the connection hose H is mounted.

4 is an exploded perspective view of the vacuum cleaner suction nozzle according to the present invention, and FIG. 5 is a bottom view of the upper cover of the suction nozzle according to the present invention. And Figure 6 is shown in a cross-sectional view of the combined state of the separation wall and the separator plate of the suction nozzle according to the present invention.

As shown in these drawings, the appearance of the suction nozzle 60 according to the present invention is the lower cover 100 and the upper cover to form the upper appearance is coupled to the upper side of the lower cover 100 to form a lower appearance. 110 constitutes.

The upper cover 110 is formed with a knob exposure hole 112 protruding the height adjustment knob 142 to be described below. And the bottom of the upper cover 110 is formed with a separating plate 114 that crosses from side to side. The separating plate 114 serves to partition the inside of the suction nozzle 60 into the front and rear space together with the separating wall 130 of the lower cover 100 to be described below.

An air inlet 120 is formed to penetrate up and down in the first half of the lower cover 100. The air inlet 120 is formed to a predetermined size from side to side, and becomes an inlet through which outside air and foreign matter are sucked.

An agitator 122 is installed above the air inlet 120. The agitator 122 is composed of a body 122 'extending from side to side and a brush 122 " spirally formed at a predetermined interval on an outer circumferential surface of the body 122'. The body 122 ' Left and right ends of the) is rotatably mounted to the left and right ends of the lower cover (100).

The agitator 122 serves to scrape and separate the foreign matter attached to the cleaning surface (bottom surface). Therefore, one end of the agitator 122, in particular the brush 122 "is configured to be partially exposed to the lower portion of the air intake 120, foreign matter separated by the agitator 122 is the air together with the air It is introduced into the suction nozzle 60 through the suction port 120.

Meanwhile, a connection pulley 124 is further formed at the right end of the agitator body 122 '. The connection pulley 124 is a portion on which the transmission belt 154 to be described below is walked.

The rear wall of the air inlet 120 is formed with a separation wall 130 of a predetermined height. The dividing wall 130 divides the inside of the suction nozzle 60 into a front and rear space, and is formed long to the left and right.

A sealing portion 130 ′ is formed at an upper end of the dividing wall 130. The sealing part 130 ′ seals the air introduced into the suction nozzle 60 through the air inlet 120 so that the air does not leak into the gap between the separation wall 130 and the separation plate 114. It has a tunnel shape with an upper opening.

That is, the sealing portion 130 'is shaped to have a' ∪ 'shape as shown in Fig. 6, so that the sealing groove 130 "recessed downward is formed therein. Thus, in this sealing groove 130" The lower end of the separator plate 114 of the upper cover 110 is inserted.

The left end of the dividing wall 130 is formed with a cutout 132 having a '∪' shape (as viewed from the front). In addition, the cutout 132 is equipped with an air guide member 134. The air guide member 134 serves to guide the air sucked through the air inlet 120 into the nozzle hose H '.

The upper end of the air guide member 134 is formed with a sealing portion 134 ′, such as the upper end of the separation wall 130. That is, a sealing part 134 'and a sealing groove 134 " having a' ∪'-shaped cross section, such as the sealing part 130 'of the separation wall 130, are formed to form a separation plate of the upper cover 110 ( 114) Accept the bottom.

As such, when the bottom of the separation plate 114 is accommodated in the sealing groove 130 ″ of the separation wall 130 and the sealing groove 134 ″ of the air guide member 134, the separation wall 130 and the separation plate 114 are provided. Since the leakage of air through the gap between the) is prevented, the air and foreign matter introduced through the air inlet 120 is guided by the air guide member 134 to move to the body 70.

The height adjusting mechanism 140 is installed at the rear of the dividing wall 130. The height adjustment mechanism 140 is configured to be able to flow from side to side, so that the user can adjust the height of the suction nozzle 60 according to the state of the cleaning surface (floor surface or the amount of contaminants).

The height adjusting knob 142 is formed on the upper surface of the height adjusting mechanism 140. The height adjustment knob 142 is formed to protrude upward from the upper surface of the height adjustment mechanism 140, so that the user can easily move the height adjustment mechanism 140. Therefore, the height adjustment knob 142 is installed to be exposed to the outside through the knob exposure hole 112 formed in the upper cover 110.

When the height adjusting knob 142 of the height adjusting mechanism 140 is moved to the right side, the distance between the suction nozzle 60 and the cleaning surface (bottom surface) is increased, and conversely, the height adjusting knob 142 is moved to the left side. When moved, the distance between the suction nozzle 60 and the cleaning surface (bottom surface) becomes closer. Therefore, the lower side of the height adjustment mechanism 140 is further provided with an auxiliary wheel (not shown) to move up and down according to the left and right flow of the height adjustment mechanism 140.

The rear side of the height adjustment mechanism 140 is a rotary motor 150 is installed. The rotation motor 150 is to provide a rotational power to the agitator 122, the motor shaft 152 is formed in the center portion left and right. The transmission belt 154 is installed at the right end of the motor shaft 152. The transfer belt 154 is preferably made of a material that is non-slip while retaining flexibility, such as rubber. The transmission belt 154 is walked between the connection pulley 124 of the agitator 122 and the motor shaft 152 to transfer the rotation of the rotary motor 150 to the agitator 122.

The upper side of the rotary motor 150 is provided with a motor cover 156 surrounding the outside of the rotary motor 150. The motor cover 156 is configured to have a cap shape corresponding to the outer surface (upper surface) of the rotary motor 150, and is preferably fastened to the lower cover 100. The rotary motor 150 serves to prevent foreign matter from flowing into the rotary motor 150 when the upper cover 110 is peeled off, and in particular, the user's body (finger, etc.) of the rotary motor. Avoid direct contact with (150).

A body seating part 160 is formed at the rear end of the lower cover 100. The body seating part 160 is recessed downward so as to correspond to the lower end of the body 70 as a portion on which the lower end of the body 70 is seated.

Hereinafter, the operation of the vacuum cleaner suction nozzle having the above configuration will be described.

First, when an external power source is applied to a vacuum cleaner, a motor (not shown) provided inside the main body rotates to generate a suction force, and by the suction force, external foreign substances and air are sucked through the suction nozzle 60. do.

At this time, the outside air and foreign matter is sucked through the air suction port 120 formed in the lower cover 100 of the suction nozzle 60, the suction air through the air guide member 134 to the separation wall 130 Passed back through.

Meanwhile, in the suction nozzle 60, the rotary motor 150 is rotated by a power applied from the outside, and the rotation of the rotary motor 150 is performed by the transfer belt 154 to the agitator 122. Is delivered to. Therefore, the agitator 122 rotates to separate the foreign matter attached to the bottom surface. In this case, the separated foreign material is introduced into the suction nozzle 60 through the air suction port 120.

Since the separating walls 130 and the air guide member 134 are formed with sealing portions 130 ′ and 134 ′, respectively, between the separating wall 130 and the separating plate 114 of the upper cover 110. Alternatively, air leakage through the gap between the air guide member 134 and the separator plate 114 is prevented.

Air and foreign matter introduced into the air guide member 134 are moved backward to enter the body 70 via the nozzle hose (H ') and the connection hose (H). Then, the inside of the dust collecting unit 73 is moved, foreign matter in the air is filtered and then discharged to the outside of the body 70.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention may be made by those skilled in the art within the above technical scope.

In the vacuum cleaner suction nozzle according to the present invention as described above, a separating wall and a separating plate are formed to partition the inner space of the suction nozzle back and forth, respectively, and are coupled to each other. And the upper end of the separation wall is integrally formed with a sealing portion having a '∪'-shaped cross-section is coupled to the bottom of the separation plate.

Therefore, since the leakage of air flowing into the suction nozzle is prevented, the suction force loss of the vacuum cleaner is prevented. As a result, the performance of the vacuum cleaner is improved.

Meanwhile, in the present invention, the sealing part is integrally formed on the separating wall without a separate sealing member. Therefore, there is no need to install a separate sealing member, there is an effect that the productivity is improved.

Claims (6)

A top cover 110 provided at a bottom thereof with a separating plate 114 on a left and a right side; A lower cover 100 coupled to a lower side of the upper cover 110 and forming a lower appearance; A separation wall (130) formed at left and right sides of the lower cover (100) to be coupled to the separating plate (114) to partition the space above and below the lower cover (100); An air inlet 120 formed through the lower cover 100 and serving as a passage through which air and foreign matter are introduced; An agitator 122 installed at one side of the air suction port 120 to separate the foreign matter attached to the bottom surface; It has a configuration comprising a rotation motor 150 for providing a rotational power to the agitator (122); The suction nozzle of the vacuum cleaner, characterized in that the sealing portion 130 'is integrally formed on the upper end of the dividing wall 130 to prevent the leakage of air. The suction nozzle of claim 1, wherein a sealing groove (130 ") is formed in the sealing portion (130 ') to accommodate the lower end of the separating plate (114). The suction nozzle of claim 1 or 2, wherein the sealing portion 130 has a '' 'shape in cross section. The suction nozzle of claim 1, wherein an air guide member 134 is further installed at one side of the separation wall 130 to guide the air introduced through the air suction port 120 to the rear. 5. The sealing unit 134 ′ of the upper portion of the air guide member 134 is integrally formed with the separating plate 114 of the upper cover 110 to prevent leakage of air. Suction nozzle of a vacuum cleaner. The suction nozzle of claim 5, wherein a sealing groove 134 ″ is formed in the sealing part 134 ′ so as to receive a lower end of the separating plate 114.