KR100352613B1 - Brush holder for cleaner - Google Patents

Abstract

By providing a plurality of brush holders having the same shape and size, a cleaner brush holder for simplifying the manufacturing process and improving the efficiency of the cleaner is disclosed. The device comprises a shaft, holders with spiral grooves coupled to the at least two by means of the shaft and having a brush mounted on an outer circumferential surface thereof, and holder holders coupled to the shaft to secure the holders. The brush holder can be easily manufactured, and the thickness of the brush holder and the spiral groove formed in the holders can be easily managed. In addition, the length of the brush holder can be easily adjusted by selecting the number of holders to have an appropriate length according to the size of the cleaner, and the maintenance cost of the cleaner can be easily changed since only the holder of the partial breakage or defect among the brush holders can be replaced easily. Significant savings can be achieved.

Description

Brush holder for cleaner {Brush holder for cleaner}

The present invention relates to a brush holder for a cleaner in which a plurality of brushes are inserted, and more particularly, by providing a plurality of brush holders having the same shape and size, respectively, to simplify the manufacturing process of the brush holder and at the same time improve the efficiency of the cleaner. It is related with the brush holder for cleaners which can be improved.

In general, most vacuum cleaners including vacuum cleaners include a dust collecting chamber for collecting foreign substances such as dust, a suction device for sucking dust, and a plurality of connecting pipes for connecting the dust collecting chamber and the suction apparatus.

1 is a perspective view of a suction mechanism of a conventional cleaner.

Referring to FIG. 1, a conventional suction mechanism includes a brush cover 10 having a suction hole 15 formed in a longitudinal direction thereof, a circular brush holder 20 rotatably installed at a suction hole 15, and a circular shape. A brush 25 fitted to the brush holder 20 and a rotating device 60 for rotating the circular brush holder 20 in the direction in which the cleaner proceeds.

The connection part 35 for connecting the connection pipe 30 is formed on the upper surface of the brush cover 10.

The rotating device 60 includes a motor 40 mounted inside the brush cover 10, a driving part 45 fitted to a rotating shaft of the motor 40, a driven part 55 corresponding to the driving part 45, and a driving part ( 45 and a belt 50 wound around the driven part 55 to transfer power from the driving part 45 to the driven part 55.

FIG. 2 is a perspective view of the brush holder of the apparatus of FIG. 1. FIG.

As shown in FIG. 2, the circular brush holder 20 is typically made of synthetic resin and manufactured by an injection molding method to have an appropriate length for a cleaner. On the outer circumferential surface of the circular brush holder 20, spiral grooves 70, into which two brushes 25 are fitted, are generally formed corresponding to each other. These spiral grooves 70 are each formed to extend at an angle of 180 ° from one end to the other end of the circular brush holder 20. That is, the spiral groove 70 is formed from the one end of the circular brush holder 20 to the other end so as to rotate 1/2 corresponding to each other.

The fixed shaft 75 is fixed to the circular brush holder 20, and the driven part 55 to which the belt 50 (see FIG. 6) is fastened to the fixed shaft 75.

In the conventional circular brush holder 20 having the above-described structure, the circular brush holder 20 in which the two brushes 25 are fitted is mounted inside the brush cover 10, and then the cleaner is supplied by supplying power to the cleaner. By operating the rotational force of the motor 40 is transmitted from the drive unit 45 to the driven part 55 through the belt 50 to rotate the circular brush holder 20.

By this operation, foreign substances such as dust on the floor, in particular, carpets, and the like are pulled upward by the brush 25 rotating in the direction of movement of the cleaner, and then sucked into the suction hole 15 while being connected to the pipe 30. It is sucked into the dust collecting chamber of the cleaner along.

However, since the conventional circular brush holder for a cleaner is manufactured through a mold to have a predetermined length according to the size of the cleaner, the thickness of the circular brush holder and the spiral groove formed therein during the injection molding process for manufacturing the circular brush holder. There is a problem that it is difficult to form a constant depth and spiral angle of.

In addition, as the use period of the cleaner increases, the shape of the circular brush holder is deformed, so that it is difficult for the circular brush holder to rotate smoothly and the brush is easily detached from the spiral groove.

Moreover, when the sizes of the cleaners are different, the circular brush holders having a length suitable for each cleaner must be manufactured separately, so the compatibility of the circular brush holders is lacking. In addition, even if partial damage or wear occurs in the circular brush holder, the entire circular brush holder needs to be replaced.

The present invention has been made to solve the above problems, one object of the present invention is to provide a brush holder separated into a plurality of parts having the same shape, it can be easily manufactured at the same time the thickness of the brush holder and It is to provide a brush holder for a cleaner that can easily manage the spiral groove formed.

Another object of the present invention is to provide a brush holder for a cleaner that can be commonly applied to the cleaner having a different size by adjusting the length.

Still another object of the present invention is to provide a brush holder for a cleaner, which can reduce the maintenance cost of the cleaner by easily replacing only a part in which the brush holder is broken or defective during use of the cleaner.

1 is a perspective view of a suction mechanism of a conventional cleaner.

2 is a perspective view of the brush holder of the apparatus of FIG.

3 is a perspective view of a brush holder for cleaners according to Embodiment 1 of the present invention.

4 is an exploded perspective view of a brush holder and a brush according to Embodiment 1 of the present invention.

5 is a perspective view of a holder according to Embodiment 1 of the present invention;

6 and 7 are left and right side views of the holder according to the first embodiment of the present invention.

8 is a perspective view of a cleaner equipped with a brush holder according to Embodiment 1 of the present invention.

9 is a perspective view of a brush holder for cleaners according to a second embodiment of the present invention.

10 is an exploded perspective view of the brush holder and the brush shown in FIG. 9.

11 is a perspective view of a holder according to Embodiment 2 of the present invention;

12 and 13 are left side and right side views of the holder according to the second embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

100, 300: Brush holder

110, 111, 310, 311: First and second spiral grooves

105, 305: Holder 120, 320: Shaft

140, 141, 340, 341: first and second holder fixing portions

130, 131, 330, 331: first and second driven parts

150, 151, 350, 351: first and second brushes

165, 365: Insertion groove 170, 370: Boss

175, 385: Through hole 180: Connection protrusion

190: connection groove 195: release prevention jaw

200: rotation apparatus 205: motor

210: Drive part 215: Belt

312, 313: Third and fourth spiral grooves

352, 353: Third and fourth brushes

380, 381, 382, 383: first, second, third and fourth protrusions

390, 391, 392, and 393: first, second, third and fourth departure stops

400: first connection projection 405: second connection groove

410: First connection groove 415: Second connection protrusion

In order to achieve the above objects of the present invention, the present invention provides a shaft, holders having spiral grooves coupled to at least two by the shaft and having a brush mounted on an outer circumferential surface thereof, and a holder coupled to the shaft for fixing the holders. Provided is a brush holder for a cleaner including a fixing part.

Preferably, the holders are manufactured through an injection molding process in the same shape and size, respectively, and through-holes through which the shaft penetrates are formed in the centers of the holders to connect the holders, respectively.

In addition, a separation prevention jaw is formed on an outer circumferential surface of the holders to prevent separation of the brush, and a first holder fixing portion having an insertion groove is coupled to one side of the shaft, and a second holder fixing having a boss on the other side of the shaft. The addition is combined.

According to an embodiment of the present invention, one side of each of the holder is formed with a connection protrusion, and the other side of the holder is formed with a connection groove of a shape corresponding to the connection protrusion. In this case, two spiral grooves are formed in the holder so as to correspond to each other, and the spiral grooves are continuous to the other end of the brush holder while rotating at an angle of 180 ° from one end of the brush holder.

According to another embodiment of the present invention, four spiral grooves are formed in the holder, and the spiral grooves are continuously rotated from one end of the brush holder to the other end of the brush holder. In this case, a plurality of protrusions are formed on the outer circumferential surface of the holder, and the spiral grooves are respectively formed in the protrusions. In addition, one side of each of the holders is formed with a first connection protrusion and a second connection groove, respectively, and the other side of the holders have a first connection groove and a second connection having a shape corresponding to the first connection protrusion and the second connection groove, respectively. Protuberances are formed.

According to the present invention, in the injection molding process for manufacturing a brush holder can be easily produced by simplifying the mold, it is possible to easily manage the thickness of the brush and the spiral groove formed in the holders. In addition, the length of the brush holder can be easily adjusted by selecting the number of holders to have an appropriate length according to the size of the cleaner, and the maintenance cost of the cleaner can be easily changed since only the holder of the partial breakage or defect among the brush holders can be replaced easily. Significant savings can be achieved. Moreover, the shape and configuration of the holder can be changed in various ways, so that an appropriate brush holder can be selected and used according to the cleaner, and the connection stability of the holder can be improved, and the efficiency of the cleaner can be improved according to the change of the structure of the holder. You can.

Hereinafter, the present invention is not limited or limited by the following embodiments in detail with respect to a brush holder for a cleaner according to preferred embodiments of the present invention with reference to the accompanying drawings.

Example 1

3 is a perspective view of a brush holder for a cleaner according to Embodiment 1 of the present invention, Figure 4 is an exploded perspective view of the brush holder and the brush according to the embodiment.

3 and 4, the cleaner brush holder 100 according to the present embodiment includes a plurality of holders 105 in which first and second spiral grooves 110 and 111 are formed at corresponding positions on an outer circumferential surface thereof, respectively. , A shaft 120 penetrating and coupling the holders 105, and first and second holder fixing parts 140 and 141 fitted to one side and the other side of the shaft 120 and for fixing the holders 105. do.

Insert the appropriate number of holders 105 in the shaft 120 according to the size of the cleaner, and then fitted to the shaft 120 through the first and second holder fixing parts 140 and 141 formed on both sides of the shaft 120. By fixing the holders 105, the brush holder 100 for cleaners having different lengths may be manufactured according to the size of the cleaner.

First and second driven parts 130 and 131 are mounted on the outer side of the first and second holder fixing parts 140 and 141 so as to rotate the brush holder 100 in the same direction as the moving direction of the cleaner. do. The rotational force of the motor is transmitted to the first and second driven parts 130 and 131 through the driving part and the belt as in the case of the conventional cleaner.

The first and second spiral grooves 110 and 111 formed on the outer circumferential surfaces of the plurality of holders 105 have an angle of about 180 ° from one end of the brush holder 100 to the other end when the holders 105 are fitted to the shaft 120. Have a continuous structure. That is, as shown in FIG. 4, the first and second spiral grooves 110 and 111 are 1/2 from one end of the brush holder 100 as the holders 105 are connected to form the brush holder 100. It rotates and has a shape that continues to the other end of the brush holder 100.

The first and second spiral grooves 110 and 111 are fitted with first and second brushes 150 and 151 having a band shape, respectively.

Two insertion grooves 165 are formed in the inner surface of the first holder fixing part 140 having a cap-type structure, and two bosses are formed in the inner peripheral part of the cap-shaped second holder fixing part 141. 170 is formed to protrude in correspondence with each other.

5 is a perspective view of a holder according to Embodiment 1 of the present invention.

4 and 5, the plurality of holders 105 are manufactured by an injection molding method to have the same length and shape, respectively. The through hole 175 is formed in the center of the holder 105 so that the shaft 120 is penetrated so that the holders 105 may be connected to each other. In addition, connection protrusions 180 are formed on one side of the holders 105, respectively, and connection grooves 190 into which the connection protrusions of adjacent holders are inserted. The connecting protrusions 180 are formed to face the first holder fixing part 140, and the connecting grooves 190 are formed to face the second holder fixing part 141.

Ends of the first and second spiral grooves 110 and 111 formed in the holders 105 may prevent separation of the first and second brushes 150 and 151 mounted in the spiral grooves 110 and 111. Departure preventing jaw 195 is formed, respectively.

6 and 7 respectively show a left side view and a right side view of the holder according to the first embodiment of the present invention.

6 and 7, the spiral angles θ of the first and second spiral grooves 110 and 111 formed in the holder 105 according to the present exemplary embodiment are determined according to the following equation.

θ = 180 ° ÷ P

In Equation 1, θ is a helix angle of the spiral grooves 110 and 111 with respect to the vertical axis, 180 ° is an angle for maximally increasing the cross-sectional area of the brush with respect to the floor, and P is appropriate according to the size of the cleaner. The number of holders 105 selected to constitute the brush holder is selected.

For example, when bisecting the holders 105 and joining the holders 105 together to form a brush holder having a predetermined constant length, the spiral grooves 110 and 111 formed in the respective holders 105. The helix angle θ of is set to 90 ° with respect to the horizontal direction of the holders 105 since P becomes 2 according to the above equation.

On the other hand, when dividing the number of holders 105 into three, four, five to ten or more, the helix angles θ of the spiral grooves 110 and 111 are 60 ° and 45, respectively, with respect to the horizontal plane. °, calculated from 36 ° to 18 °. Here, the number of holders 105 is preferably calculated so that the spiral angle θ does not have a value below the decimal point in order to facilitate the management of the spiral grooves 110 and 111.

Hereinafter, a cleaner equipped with a brush holder according to the present embodiment will be described in detail. In the present embodiment, as shown in Fig. 3, the number of holders constituting the brush holder is set to 10, and thus the state of setting the angle of the spiral groove formed on the outer circumferential surface of the holder to 18 ° will be described.

8 is a perspective view of a cleaner equipped with a brush holder according to the present embodiment. In FIG. 8, the same reference numerals are used for the same members as in FIG. 3.

Referring to FIG. 8, in order to manufacture a brush holder 100 having a length selected according to a cleaner, holders 105 having the same shape and length are connected. That is, the connecting protrusions formed on one side of the holders 105 are inserted into the connecting grooves of the adjacent holders, and then the connecting protrusions of the holders adjacent to the connecting grooves formed on the other sides of the holders 105 are inserted to connect the plurality of holders 105. (See Figure 4). In this case, since the spiral grooves are formed at an angle of about 18 ° for each holder 105, when the ten holders 105 are connected, the spiral grooves formed in the holders 105 have an angle of 180 °, that is, 1 / 2 is rotated and connected.

Subsequently, when the two brushes 150 and 151 are respectively inserted into the spiral grooves, the brushes 150 and 151 are caught by the release prevention jaw (see FIG. 5) formed in the holder 105, so that the brush holder 100 rotates when the cleaner is operated. The brush 150 and 151 may be prevented from being separated from the spiral groove during the process.

Subsequently, the holders 105 are connected by penetrating the shaft through the through holes of the holders 120, and then the first and second fixing parts are fitted to both sides of the shaft. At the same time, insert the connecting projection of the holder first inserted into the insertion groove of the first holder fixing portion, and insert the two bosses of the second holder fixing portion into the connecting groove of the holder to be finally inserted to complete the fixing of the holders 105. . In this case, a material such as an adhesive may be applied to the insertion groove of the first holder fixing part to increase the fixing force of the holders 105.

As described above, when the holders 105 are connected to each other and the completed brush holder 100 is rotatably mounted on the cleaner, and the cleaner is operated, the brush holder 100 rotates in the same direction as the moving direction of the cleaner and is placed on the floor. It can remove foreign substances such as accumulated dust.

On the other hand, when the brush holder 100 is mounted on the suction mechanism provided with the rotating device 200, the driven parts 131 are respectively mounted to the first and second holder fixing parts for fixing the holders 105, and then the motor When the 205 is operated, the driving unit 210 connected to the rotating shaft of the motor 205 and the driven part 131 connected through the belt 215 rotate. Accordingly, the brush holder 100 is rotated in the traveling direction of the cleaner by the rotational force transmitted through the belt 215 to raise the dust and the like on the floor.

Example 2

FIG. 9 is a perspective view of a brush holder for a cleaner according to a second embodiment of the present invention, and FIG. 10 is an exploded perspective view of the brush holder and the brush shown in FIG. 9.

9 and 10, the cleaner brush holder 300 according to the present embodiment has first, second, third and fourth spiral grooves 310, 311, 312, and 313 at corresponding positions on the outer circumferential surface thereof, respectively. ) And a plurality of holders 305 are formed, the shaft 320 for penetrating and coupling the holder 305 and the first and second to be fitted to one side and the other side of the shaft 320 and to fix the holder 305 Holder fixing parts 340 and 341 are provided.

Also in this embodiment, by inserting the appropriate number of holders 305 according to the size of the cleaner on the shaft 320, and then the first and second holder fixing parts (340, 341) formed on both sides of the shaft 320 By fixing the holders 305 fitted to the shaft 320, the cleaner brush holders 300 having different lengths may be configured according to the number of holders 305 connected according to the size of the cleaner.

Outside the first and second holder fixing parts 340 and 341, first and second driven parts 330 and 331 are respectively installed to rotate the brush holder 300 in the same direction as the moving direction of the cleaner.

The first, second, third and fourth spiral grooves 310, 311, 312, and 313 formed on the outer circumferential surfaces of the holders 305 may be formed when the holders 305 are fitted to the shaft 320. It has a structure continuously connected at an angle of about 180 ° from one end to the other end. That is, as shown in FIG. 10, the first, second, third and fourth spiral grooves 310, 311, 312, and 313 may be formed from one end of the brush holder 300 as the holders 305 are connected to each other. It has a shape that continues to the other end of the brush holder 300 while rotating / 2.

The first, second, third and fourth spiral grooves 310, 311, 312, and 313 respectively have first, second, third, and fourth brushes 350, 351, 352, and 353 having a band shape. Is fitted.

In the present embodiment, four spiral grooves 310, 311, 312, and 313 are formed on the outer circumferential surface of the holders 305, and four brushes 350, 351, 352, and 353 are mounted thereon, so that two brushes are provided. In comparison to the case can improve the efficiency of the cleaner. That is, when four brushes 350, 351, 352, and 353 are installed in the brush holder 300, the number of sweeping up of dust and the like on the bottom surface is increased and the suction power is also increased. The amount of dust also increases. Therefore, cleaning can be performed more efficiently for the same time.

The first and second holder fixing parts 340 and 341 have a structure similar to that of Embodiment 1 described above, that is, the first holder fixing part 340 has a first connection of the holder 305 to an inner side thereof. It has a shape of a cap formed with an insertion groove 365 having a shape (see Fig. 12) corresponding to the projection 400 and the second connecting groove 405, the second holder fixing portion 341 also has two The boss 370 has the shape of a protruding cap. However, in the first embodiment, two insertion grooves are formed in the first holder fixing part, but in the present embodiment, one insertion groove corresponding to the first connection protrusion 400 of the holder 305 is formed in the first holder fixing part ( 340, and the size of the insertion groove 365 and the boss 370 of the first and second holder fixing parts 340 and 341 also decreases as the size of the holder 305 is reduced. have.

11 is a perspective view of a holder according to Embodiment 2 of the present invention.

The holders according to the present embodiment are the same as those of the above-described embodiment 1 in that the holders are manufactured by the injection molding method to have the same length and shape, but there are differences in the size and shape thereof.

10 and 11, first, second, third, and fourth protrusions 380, 381, 382, and 383 are sequentially formed on the outer circumferential surfaces of the holders 305 according to the present embodiment. The first, second, third and fourth spiral grooves 310, 311, 312, and 313 are formed in the first, second, third and fourth protrusions 380, 381, 382, and 383, respectively. First, second, third, and fourth release prevention jaws 390, 391, 392, and 393 are formed at ends of the first, second, third, and fourth protrusions 380, 381, 382, and 383, respectively. When the first, second, third and fourth brushes 350, 351, 352 and 353 are mounted in the first, second, third and fourth spiral grooves 310, 311, 312 and 313, respectively, the cleaner , Second, third and fourth brushes 350, 351, 352, and 353 move away from the first, second, third, and fourth helix grooves 310, 311, 312, and 313 during operation. Prevent it.

Through holes 385 through which the shaft 320 penetrates are formed in the center of the holders 305, and the holders 320 are connected by inserting the shaft 320 through the through holes 385.

The holders 305 according to the present exemplary embodiment have a cross-sectional cross-section in which the first, second, third and fourth protrusions 380, 381, 382, and 383 are formed, but in some cases, the protrusions formed on the outer circumferential surface of the holders. Increasing or decreasing the number may have a cross-section above the pentagon or below the triangle.

12 and 13 respectively show a left side view and a right side view of the holder according to Embodiment 2 of the present invention.

12 and 13, one side of each of the holders 305 is formed with circular first connecting protrusions 400, and the other side has a circular shape such that the first connecting protrusions of adjacent holders are inserted therein. The connection groove 410 is formed. In addition, linear second connection grooves 405 are formed at the ends of the first connection protrusions 400, and a second shape of the shape corresponding to the second connection grooves 405 is formed at both sides of the inner circumferential surface of the first connection grooves 410. Two connection protrusions 415 are formed. Thus, the first connecting projection of one holder is fitted into the first connecting groove of the adjacent holder, and the second connecting projection is inserted into the second connecting groove of the adjacent holder, whereby the holders are connected.

The first connection protrusion 400 is formed to face the first holder fixing part 340, and the first connection groove 410 is formed to face the second holder fixing part 341.

In the case of the first embodiment described above, since the two connecting projections of one holder are inserted while rotating to the two connecting grooves of the adjacent holder, the holders are not smoothly connected and the holders are disconnected while the cleaner is operating. There is a possibility. However, in the present embodiment, since the connecting protrusions and the connecting grooves having the shapes corresponding to each other are formed at the center of the holder to connect the holders, the holders can be easily connected to each other simply by inserting them, and at the same time, the stability of the connection of the holders is improved. Can be improved.

The holders 305 according to the present embodiment have a diameter and a length of about two thirds of the holders of the first embodiment. Therefore, not only the holders 305 can be easily connected, but also the length of the brush holder 300 formed by combining the holders 305 according to the size of the cleaner is easily adjustable as compared with the first embodiment. In addition, since the sizes of the holders 305 are reduced, the amount of air sucked through the suction hole of the suction mechanism is increased, thereby improving the efficiency of the cleaner.

The spiral angles θ of the first, second, third and fourth spiral grooves 310, 311, 312, and 313 formed in the holder 305 according to the present embodiment are also expressed in the above equation as in the first embodiment. Since it is determined according to the detailed description thereof will be omitted.

In addition, the process of configuring the brush holder 300 by connecting the holders 305 according to the present embodiment is also the same as the above-described Embodiment 1 except for the structure of the connection protrusions and the connection grooves, and thus description thereof will be omitted.

According to the brush holder for a cleaner according to the present invention, in the injection molding process for manufacturing a brush holder can be easily produced by simplifying the mold, it is possible to easily manage the thickness of the brush and the spiral groove formed in the holders.

In addition, the length of the brush holder can be easily adjusted by selecting the number of holders to have an appropriate length according to the size of the cleaner, and the maintenance cost of the cleaner can be easily changed since only the holder of the partial breakage or defect among the brush holders can be replaced easily. Significant savings can be achieved.

Moreover, the shape and configuration of the holder can be changed in various ways, so that an appropriate brush holder can be selected and used according to the cleaner, and the connection stability of the holder can be improved, and the efficiency of the cleaner can be improved according to the change of the structure of the holder. You can.

As described above, although described with reference to the preferred embodiments of the present invention, those skilled in the art various modifications of the present invention without departing from the spirit and scope of the present invention described in the claims below. And can be changed.

Claims (10)

shaft: At least two holders coupled to each other by the shaft, and holders having spiral grooves on which outer brushes are mounted; And And a holder holder coupled to the shaft to secure the holders. The method of claim 1, And the holders are injection molded to the same shape and size, respectively. The method of claim 1, And a through hole through which the shaft penetrates to connect the holders, respectively, in the centers of the holders. The method of claim 1, Connection holders are formed on one side of the holders, respectively, and a brush holder for a cleaner, wherein a connection groove having a shape corresponding to the connection protrusion is formed on the other side of the holder. The method of claim 1, Cleaner brush holder, characterized in that the separation prevention jaw is formed on the outer peripheral surface of the holder to prevent the separation of the brush. The method of claim 1, Two spiral grooves are formed in the holder in correspondence with each other, and the spiral groove is continuous to the other end of the brush holder while rotating at an angle of 180 ° from one end of the brush holder. The method of claim 1, Four spiral grooves are formed in the holder, wherein the spiral groove is rotated 1/2 from one end of the brush holder and continues to the other end of the brush holder. The method of claim 1, A plurality of protrusions are formed on the outer circumferential surface of the holder, and the spiral groove is a brush holder for a cleaner, characterized in that each of the protrusions are formed. The method of claim 1, The first connection protrusion and the second connection groove are formed on one side of the holder, respectively, and the first connection groove and the second connection protrusion of the shape corresponding to the first connection protrusion and the second connection groove, respectively, on the other side of the holders. Cleaner brush holder, characterized in that formed. The method of claim 1, Brush holder for a cleaner, characterized in that the first holder fixing portion is formed with an insertion groove is coupled to one side of the shaft, the second holder fixing portion is formed with a boss on the other side of the shaft.