WO2011052886A2

WO2011052886A2 - Mop having a low-center design

Info

Publication number: WO2011052886A2
Application number: PCT/KR2010/006124
Authority: WO
Inventors: 윤일한
Original assignee: (주)이즈윌
Priority date: 2009-10-29
Filing date: 2010-09-09
Publication date: 2011-05-05
Also published as: WO2011052886A3; KR20120098605A; KR101712941B1

Abstract

The present invention provides a mop in which a portion of a bottom surface of a holder plate contacts a surface (an upper surface) of a bottom plate, but the other portion of the bottom surface of the holder plate does not contact the bottom plate, such that a hollow area is formed between the holder plate and the bottom plate. The hollow area enables the center of gravity of the mop to be set at a low position, thereby making the mop lightweight and significantly improving stability during mopping.

Description

Low center of gravity mop

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mop that can remove a mop of nonwoven fabric, water tissue, microfiber, or cloth, and more particularly, to a mop of low-center design.

Conventional mop has a nonwoven mop that uses a nonwoven cloth as a mop, and also uses a nonwoven fabric, water tissue, microfiber, or cloth mop by leaving or modifying the shape or weight of the nonwoven mop.

An example of a mop 1 that generally uses a nonwoven or water tissue is a handle rod 10, ie a bag and a joint 20 at the tip of the handle rod 10, as shown in FIG. 1. It comprises a holder plate 30 connected, and the contact pad 40 provided on the holder plate (30). The upper surface of the holder plate 30 is provided with a plurality of clip film 32 of a thin plastic material or urethane, or a tough rubber material, the clip film 32 is cut into several branches can be opened by an external force It consists of a form.

The joint 20 uses a soft joint so that it can be easily rotated back, front, left, and right by one shaft center 22.

The clip film 32 has been proposed in various forms as a mop cloth fixing portion. The adhesion pad 40 is a soft material such as rubber or urethane, and is mounted in a manner of being fitted or fixed to the bottom side of the holder plate 30.

According to the replaceable bar mop, as shown in FIG. 2, the bottom surface of the adhesion pad 40 is wrapped around the mop cloth 45, and the tip of the wrapped mop cloth 45 is clipped to the clip plate of the holder plate 30 ( 32) to mount the mop cloth (45). In this state, the user can push the handle bar 10 to mop, and when the mounted mop cloth 45 is dirty, it is used to replace with a new one. In the process of mopping, the user pushes the mop 1 by applying a force to the holder plate 30 through the handle bar 10. In this process, the contact pad 40 is pressed by the holder plate 30. The contact pad 40 is elastically compressed and deformed due to the characteristics of the material, thereby increasing the contact area with the mop cloth 45 and at the same time the bottom surface. Will be pressed against.

According to the conventional replaceable rod mop configured as described above, the pressure applied from the holder plate 30 is transmitted to the mop cloth 45 due to the property that the contact surface between the contact pad 40 and the mop cloth 45 is almost smooth. In this process, since the pressure is entirely distributed toward the bottom surface of the contact pad 40, a phenomenon in which the bottom surface in contact with the bottom surface of the rag cloth 45 is in wide contact with each other occurs.

That is, according to the prior art, when using a water tissue or a mop, the frictional resistance is increased due to the property that the mop cloth and the bottom surface is in surface contact. Therefore, in the process of mopping, the user has to put a lot of force and strong pressure acts only on the periphery, the force is applied only to the edge of the bottom end of the floor, thereby preventing the entire surface of the floor uniformly. In addition, there is a problem that some dust or dirt sticks to the bottom, or the aggregated dirt or dust does not collect on the bottom of the cleaner.

In addition, in the case where the stain on the floor or the adhesive foreign matter should be removed, a strong pressure concentrated locally on the mop cloth 45 is required, while the pressure applied to the mop cloth 45 according to the related art. Since the cleaning effect is greatly reduced because it is dispersed around this, in order to overcome this, the user has to press the handle bar 10 with a very strong force, and the holder plate 30 is turned upside down due to the friction force of the water tissue or mop. The problem is that the work is difficult.

In order to overcome this problem, instead of the contact pads, a plurality of protrusions are formed, and a mop having a mounting portion of rubber material is used. By attaching the rubber plate formed with the projections, an adhesion effect, that is, a pressing effect, is brought about, so that more efficient cleaning is possible. Examples of such mops are shown in FIGS. 3 and 4.

As shown, the mop 50 adopting a conventional projection also includes a handle bar 60 and a holder plate 80 connected through a joint 70 formed at the tip of the handle bar 60. have. However, in place of the contact pad 40 shown in Figures 1 and 2, the adopted projection rubber plate 90 has a projection 92, the bottom surface will also have a hook effect.

However, as can be easily seen by comparing FIG. 3 and FIG. 1, in the case of the mop 50 with a rubber plate, except for the weight of the rubber plate 90, a handle bar, that is, a bag 60 and a holder plate ( It can be seen that 70) is heavier than FIG.

In the case of the conventional sack stick 50 employing a rubber plate 90 of about 167 g having a size of 30 cm × 9.2 cm in a bag 60 of about 1.2 to 1.5 m, which is commonly used, for example, about 710 g Has the weight of

This is because the rubber plate 90 is heavy and thick as compared to the nonwoven fabric, and when using the joint 20 and the holder plate 30 of FIG. 1, the mop cannot be stably pushed, and the holder plate 30 is turned upside down. have. Therefore, conventionally, in the case of the mop 50 which employ | adopted the rubber plate 90, the joint 70 and the holder plate 80 which have some weight are employ | adopted. In addition, the mop fixing portion 82 formed on one surface of the holder plate 80, as well as the clip-type heavy weight unlike the clip film 32 of FIG. 1, as well as using a relatively heavy bag 60. In the case of the mop 50 adopting the conventional rubber plate 90 having such a weight, the cleaning operation is very difficult because the housewife is heavy to use.

In addition, unlike the soft joint 20 that can be rotated back and forth, left and right by a single shaft center 21 as shown in FIG. 1, a mop adopting a rubber plate to stably operate the mop in the mop 50 employing the rubber plate 90 ( The joint 70 used in the 50 is distinguished from the shaft 72 moving left and right and the shaft 74 moving back and forth. This is for use when connecting a somewhat heavy, compared to the joint 20 of Figure 1 when the front, rear, left and right when operating a lot of force, this also has a problem that the burden on the user.

In addition to such a burden, there is also a problem that the bottom center portion of the rubber plate 90 is hardly mopped. As shown in FIG. 4, the projection 92 is formed without the center portion 94 at all. Therefore, since the cleaning operation is not performed through the central portion 94, there is a problem that the efficiency of mopping is inferior.

For example, according to one form of the mop 50 shown in Figure 3, the weight of the rubber plate 90 is approximately 167 g, the weight ratio is about 23% compared to the weight of the total mop 50 710g Is nothing. That is, the conventional rubber plate mop 50 is a heavy, as well as a low weight-centered design because it gave up the weight for a smooth cleaning operation is very difficult to clean. Since it is not such a low center of gravity design, the width and weight of the protrusion 92 should be made larger in order to prevent the mop 50 adopting the conventional rubber plate 90 from flipping over. As a result, the disadvantage of being heavy because the part of the holder plate 80 can be widened and enlarged as much as possible. That is, despite the advantages of the projection rubber plate 90, due to the above problems are not activated.

The present invention can achieve a light weight through a hollow structure formed between the holder plate and the bottom plate, the object of the joint is to provide a soft mop.

Another object of the present invention is to provide a mop that has a structure that protrudes downward on the bottom plate and configured to protrude upward from the peripheral area, so as to smoothly mop the central area as well as the peripheral area.

Another object of the present invention is to provide a mop with improved stability by lowering the center of gravity as a whole.

The mop according to the present invention comprises: a holder plate having a joint installation part on which a joint installed at the bottom of the bag is installed, a main part surrounding the joint installation part, and a fixing part for fixing the mop; At least a portion of the bottom of the holder plate may include a bottom plate in contact with only a portion of the bottom of the holder plate, and at least a portion of the bottom of the holder plate may form a hollow area on the bottom surface of the holder plate and the surface of the bottom plate. Provide a mop that is configured in a form that is not in contact with the surface.

In this case, preferably, the bottom plate may have a protrusion disposed in a direction opposite to the contact direction of the holder plate, and the bottom plate may be made of rubber or silicon.

In particular, the joint mounting portion is formed in the central portion of the holder plate, it characterized in that the bottom surface of the joint mounting portion has a structure which projects downward compared to the bottom surface of the main portion.

According to the present invention, a first concave portion is formed on an upper surface of the bottom plate, and second concave portions are formed on both sides of the first concave portion so as not to contact a bottom surface of the main portion. .

According to another embodiment of the present invention, a hollow groove may be formed on the bottom of the joint installation portion.

At this time, preferably, the hollow groove may be formed in a position symmetrical about the center of the bottom of the joint installation portion.

In particular, at least one contact piece protruding downward to contact the upper surface of the bottom plate is formed on the bottom surface of the holder plate, and a support protruding upward to contact the bottom surface of the joint installation portion in the first concave portion. Is formed.

At this time, the support is characterized in that formed in a position that can be in contact with the bottom surface of the joint installation portion in which the hollow groove is formed.

In addition, the surface of the joint installation portion of the holder plate constituting the mop according to the present invention is formed lower than the surface of the main portion.

The mop of the present invention forms a hollow region between the bottom plate and the holder plate, thereby reducing the weight of the entire mop.

In particular, the plurality of protrusions or protrusions formed on one surface of the bottom plate can not only easily remove dust and dirt formed on the floor, but also reduce the weight to facilitate the joints can be smoothly rotated back and forth, left and right, In particular, the central part can be mopped, improving the efficiency of cleaning.

In particular, according to the present invention, the weight ratio of the bottom plate with respect to the entire mop can be designed based on a low center of gravity, so that the cleaning operation can be easily performed even with a small force.

In particular, the hollow structure of the lower part of the holder plate at the same time to move the weight of the inside to the rubber plate at the same time and to load a lot of load on the bottom plate, stability of the center of the holder plate to improve the stability In the cleaning process, the holder plate is prevented from swinging from side to side or the tip area is lifted due to the frictional force of the floor, thereby improving the forwardness of this area.

1 is a perspective view schematically showing the structure of a mop cloth exchange mop according to the prior art.

Figure 2 is a perspective view showing a state that the mop is attached to the mop cloth exchange mop according to the prior art.

Figure 3 is a perspective view schematically showing the structure of a conventional mop cloth exchange mop adopting the projection rubber plate.

Figure 4 is a perspective view from the bottom of the mop to show the projection portion of the projection rubber plate of the conventional mop shown in FIG.

5 is a perspective view schematically illustrating a structure in which a bag and a holder plate of a mop according to the first embodiment of the present invention are combined.

6 is a perspective view schematically illustrating a structure in which a bottom plate is mounted on a holder plate according to the first embodiment of the present invention.

7 is a perspective view from below of a bottom plate constituting a mop according to a first embodiment of the present invention.

8 is a perspective view from above of the bottom plate constituting the mop according to the first embodiment of the present invention.

9 is a bottom perspective view of the holder plate constituting the mop according to the first embodiment of the present invention.

FIG. 10 is a cross-sectional view taken along the line X-X of FIG. 6.

11 is a perspective view schematically showing the structure of a mop according to a second embodiment of the present invention.

12 is a bottom perspective view of a holder plate constituting a mop according to a second embodiment of the present invention.

13 is a perspective view from above of a bottom plate constituting a mop according to a second embodiment of the present invention.

FIG. 14 is a cross-sectional view taken along the line XIV-XIV of FIG. 10.

100, 200

mops

110, 210 bags

120, 220

Joint

130, 230 Holder Plate

132, 232

Joint Mount

134, 234 Main

142, 242 Back of

joint installation part

144, 244 Back of main part

160, 260

Bottom Plate

162, 262 Turning

164, 264

First Recess

166, 266 Second Recess

A first hollow portion (first hollow region) B second hollow portion (second hollow region)

In the present invention, while adopting the advantages of the mop adopting the conventional projections, the light weight and the pursuit of stabilization of the cleaning operation, the present invention will be described in detail with reference to the accompanying drawings.

[First Embodiment]

The first embodiment of the present invention relates to a mop having a low center of gravity by forming a hollow portion between the holder plate and the bottom plate. The first embodiment of the present invention will be described with reference to FIGS. 5 to 10. . In addition, in the present invention, for convenience of explanation, the bag direction of the bag mop is described as the top or surface, and the bottom side where the bottom plate contacts is described as the bottom or the back.

As shown in FIGS. 5 and 6, the mop 100 according to the present embodiment includes a bag, that is, a handle bar 110 and a joint 120 formed at the tip of the handle bar 110. Holder plate 130 connected through, and a bottom plate 160 that can be in contact with the bottom surface of the holder plate 130. The joint 120 according to the present invention is not the joint 70 (see FIG. 3) of the mop 50 provided with the conventional protrusion elastic plate, but is the same as the soft and light joint 20 shown in FIG. 1. That is, according to the present invention, the joint 120 connecting the handle bar 110 and the holder plate 130 is configured to be able to move back and forth, left and right around a single shaft center 122.

The holder plate 130 may be divided into a joint installation part 132, which is a part in which the joint 120 is installed, and a main part 134 surrounding the joint installation part 132. In this case, the joint 120 may be firmly coupled to the joint installation part 132 of the holder plate 130 so as to prevent the holder plate 130 from being lifted up during the cleaning operation. On the other hand, a fixing portion 150 for fixing the mop is formed in each corner portion of the top of the holder plate 130, the fixing portion 150 is a required part in the mop, but is not the core of the present invention Since the present invention can be arbitrarily adopted freely from various known forms, detailed description thereof will be omitted.

On the other hand, preferably the joint installation portion 132 formed in the center portion of the holder plate 130 means a portion in which the joint 120 is installed, as shown in Figure 5, the surface of the joint installation portion 132 Is formed lower than the surface of the main portion 134, it is possible to install the joint 120 in the downward direction as possible. The reason why the surface of the joint mounting portion 132 is set lower than that of the main portion 134 is to consider the fact that the portion that receives the force of the bag 110 is the portion of the joint 120 and receives the force. The part, that is, the joint installation part 132 is to be formed in the lowest position of the holder plate 130.

In addition, preferably, a plurality of protrusions 162 are formed on the opposite surface of the bottom plate 160 coupled to the rear surface of the holder plate 130, that is, the bottom surface of the bottom plate 160 instead of the contact surface of the holder plate 130. It is. Of course, instead of the plurality of protrusions 162 on the bottom of the bottom plate 160, a number of downwardly protruding structure can be adopted. In particular, according to the above-described prior art, the protrusions 92 (see FIG. 3) are formed only in the region except for the central portion of the rubber plate 90 (see FIG. 3), whereas the protrusions are formed on the bottom plate 160 according to the present invention. In this case, as shown in FIG. 7, preferably, the protrusion 162 is formed over the entire bottom surface of the bottom plate 160, that is, the entire surface, thereby maximizing the efficiency of the cleaning operation.

According to the present embodiment, with respect to the coupling relationship between the holder plate 130 and the bottom plate 160, Fig. 8, which is a top perspective view of the bottom plate 160, Fig. 9 and a mop, which is a bottom perspective view of the holder plate 130 A description will be given with reference to FIG. 10, which is a longitudinal cross-sectional view of 100. As shown, the rear surface 142 of the joint installation portion 132 having the surface formed at a lower position than the surface of the main portion 134 protrudes downwardly compared to the rear surface 144 of the main portion 134. Consists of At this time, the rear surface 142 of the joint installation portion 132 protrudes with the same step as a whole compared to the rear surface 144 of the main portion 134 (that is, the side of the joint installation portion 132 when viewed from the side) The back surface 142 is formed at the same height). Alternatively, the rear surface of the joint installation portion 132 is gradually protruded downward toward the center thereof, that is, the center of the rear surface 142 is most protruded, and the degree of protruding progressively toward the periphery decreases (from the side surface). In the form of curved curves when viewed.

In addition, although the rear surface 142 of the joint installation part 132 is shown in the form of a closed curve in FIG. 9, for example, it has a quadrangular shape, and more area of the joint installation part 132 is the surface of the bottom plate 160. FIG. Naturally, it can be in direct contact with. In the drawing, the rear surface 142 of the joint installation portion 132 formed at the center of the holder plate 130 is projected downward to be in contact with the top surface of the bottom plate 160. On the contrary, the rear surface of the main portion 134 ( 144 may protrude downward to contact the top surface of the bottom plate 160. However, in order for the force transmitted from the bag 100 to be uniformly transmitted to the bottom plate 160, the rear surface 142 of the joint installation portion 132 in the center of the holder plate 130 is the rear surface of the main portion 134. It is preferable that the structure protrudes downwardly as compared with 144.

On the other hand, when looking at the surface of the bottom plate 160, the 1st recessed part (1st recessed part 164) formed in the center corresponding to the back surface 142 of the joint installation part 132 mentioned above, and this On both sides of the first concave portion 164, second concave portions (second recesses) 166, which are preferably formed symmetrically, are formed. The first concave portion 164 and the second concave portion 166 have a shape that is recessed downward relative to the other surface, and thus, between the first concave portion 164 and the second concave portion 166. Has a structure that protrudes upward. On the other hand, the periphery 170 of the bottom plate 160 is configured to form a kind of side wall structure so as to protrude upward, is configured so that a lot of weight can be arranged toward the periphery 170 of the bottom plate 160. As such, the mop 100 of the present invention is configured so that the center of gravity is located toward the bottom surface, because a lot of force can be applied toward the peripheral portion 170 of the bottom plate 160, mop for the cleaning operation By using the force applied toward the peripheral portion 170 in the process of pushing (100) it can be surely and effectively remove the dust remaining on the bottom surface.

At this time, as shown in FIG. 10, the rear surface 142 of the joint installation portion 132 formed in the center of the holder plate 130 has a first concave portion having a shape recessed below the center of the surface of the bottom plate 160. 164). In this way, the specific point or the specific surface of the back surface 142 of the joint installation portion 132 is in direct contact with the first recess 164 of the bottom plate 160, so that the force applied from the human hand is applied to the holder plate 130. It is delivered directly to the bottom plate 160 via).

In particular, the rear surface 142 of the joint installation portion 132 formed in the center of the holder plate 130 protrudes downward, and correspondingly, the first recess 164 recessed downward in the center of the bottom plate 160 surface. Is in direct contact with the back surface 144 of the main part 134 formed around the holder plate 130, but is not in contact with the surface of the bottom plate 160. For this reason, a first hollow portion A (first hollow region) is formed between the rear surface 144 of the main portion 134 and the upper surface of the second recessed portion 166 of the bottom plate 160. In this case, the first recess 164 formed in the bottom plate 160 may have a rear surface of the joint installation part 132 so as to increase the hollow area between the bottom surface of the holder plate 130 and the bottom plate 160. It may be formed larger than 142, the position where the joint installation portion 132 and the bottom plate 160 contact is preferably located in the center of the mop 100, as shown, it will be advantageous for force transmission.

In this way, since a hollow region is formed between the bottom surface of the holder plate 130 and the surface of the bottom plate 160, the weight of the holder plate 130 including the joint mounting portion 132 is lower than the holder plate ( 130 is moved to the bottom plate 160 in contact with the bottom surface, thereby lowering the center of gravity of the mop 100 according to this embodiment. In addition, by forming the periphery 170 of the bottom plate 160 thick, it was configured so that more weight is directed to the periphery 170.

Due to this structure of the joint installation portion 102, the mop 100 according to the present embodiment has a low center of gravity structure, because the force is directly transmitted to the bottom plate 160, mop 100 Even when the cleaning using a) holder plate 130 does not turn out, the mopping is stabilized, while being in close contact with the floor can be performed with a light force.

As such, the center of gravity is positioned below the center of the holder plate 130 by having a hollow structure between the bottom surface of the holder plate 130 and the surface of the bottom plate 160 and at the same time making the periphery of the bottom plate 160 thick. It can improve the stability. Therefore, when using the mop 100 according to the present embodiment, due to the frictional force with the bottom surface, the holder plate 130 swings back and forth or left or right, or the sides, front of the holder plate 130 of approximately quadrangular shape As well as preventing the rear side from being lifted up, the straight movement of the holder plate 130 can be greatly improved.

In addition, since the force is stably transmitted to the bottom plate 160, it is possible to mop over the entire surface of the bottom plate 160, and the efficiency of mopping becomes high, as shown in FIG. 7, as shown in FIG. All of the bottom surface of the bottom plate 160 can be formed.

In addition, the present invention is not limited thereto, but for example, the bottom plate 160 constituting the mop 100 of the present embodiment may be a rubber material or a silicon material. For example, the size of the bottom plate 160 according to the present embodiment is 25 cm × 10 cm, the height of the protrusion 162 is 14 mm, the width of about 10 mm, the interval of the length of the protrusion 162 is about 3.5 mm and the space | interval of the protrusion 162 in the width direction are about 6 mm.

The protrusion 162 may be made larger than the conventional protrusion 92 (see FIG. 4) to achieve the effect of wiping by pressing the mop with a finger. For example, in the mop 100 of the present embodiment shown in FIG. 6, the weight of the mop 100 equipped with the bottom plate 160 of about 215 to 220 g was about 530 to 550 g. That is, the weight of the bottom plate 160 is possible to design a low center of gravity of about 40% of the entire mop 100, it is possible to design as well as low weight can be easily performed cleaning.

Second Embodiment

In the present embodiment, compared to the first embodiment described above, a mop that expands the hollow region between the holder plate and the bottom plate and improves stability will be described with reference to FIGS. 11 to 14.

As shown in FIG. 11, the mop 200 according to the present embodiment also includes a holder plate 230 connected to a handle bar 210 and a joint 220 formed at a tip of the handle bar 210. A bottom plate 260 in contact with the bottom of the holder plate 230. Joint 220 according to the present embodiment is also configured to be able to move back and forth, left and right through a single shaft center (222).

In addition, the holder plate 230 is divided into a joint installation part 232 in which the joint 220 is installed and a main part 234 which is other parts, and a fixing part 250 is formed at the upper edge of the holder plate 230. do. Also in this embodiment, the surface of the joint installation portion 232 is formed lower than the surface of the main portion 234. In particular, according to this embodiment, the central upper end of the holder plate 230 is formed with a substantially semi-circular concave groove 236, such as recessed downward along the long side direction, the first embodiment described above Compared to the shape, the center of gravity of the holder plate 230 may move toward the bottom plate 260 installed on the bottom thereof. In addition, a plurality of protrusions 262 may be formed on the entire bottom surface of the bottom plate 260 coupled to the rear surface of the holder plate 230, and by forming the periphery 170 of the bottom plate 260 thickly, this peripheral portion may be formed. 170 can be configured to draw more weight.

Subsequently, FIG. 12 which is a bottom perspective view of the holder plate 230 and FIG. 13 which is a top perspective view of the bottom plate 260 with respect to the coupling relationship between the holder plate 130 and the bottom plate 160 according to the present embodiment. It demonstrates with reference to FIG. 14 which is a longitudinal cross-sectional view of the mop 200. FIG. Also in this embodiment, the back surface 244 of the joint mounting portion 232 is configured to protrude downwardly as compared to the back surface 244 of the main portion 234. In addition, as the surface of the bottom plate 260, the first recessed portion 264 is formed in the center so as to correspond to the back surface 242 of the joint mounting portion 232, and both side surfaces of the first recessed portion 264 The second concave portion 266 formed in the groove is formed.

In particular, according to the present embodiment, the hollow groove 245 is formed upwardly to the rear surface 242 of the downwardly protruding joint installation portion 232. The hollow groove 245 may be configured to be symmetrical with respect to the center of the center of the rear surface 242 of the joint installation portion 232, for example, and may be configured in a substantially arched curved shape as shown. Can be. Alternatively, the two-sided ends of the hollow grooves 245 may be shaped to be bent up-vertically vertically, ie, bent upwards, compared to the rear surface 242 of the joint installation part 232.

Accordingly, as shown in FIG. 14, when the holder plate 230 constituting the mop 200 and the bottom plate 260 are coupled to each other, the main part constituting the holder plate 230 is illustrated in FIG. 14. A first hollow portion A is formed between the rear surface 244 of 234 and the second recesses 266 formed on both sides of the bottom plate 260 surface. In addition, due to the hollow groove 245 formed in the rear surface 242 of the joint installation portion 232 constituting the holder plate 230, the rear surface 242 of the joint installation portion 232 is the bottom of the center area The first hollow portion A described above is in contact with the first concave portion 264 formed at the center of the surface of the plate 260, but the portion in which the hollow groove 245 is formed does not contact the first concave portion 264. A second hollow portion (B) is formed between the back surface 242 and the first concave portion 264 of the joint installation portion 232.

As a result, in the present embodiment, as compared with the above-described first embodiment, the bottom surface of the holder plate 230 and the surface of the bottom plate 260 have a more hollow structure, so that the center of gravity can be lowered accordingly, and thus stable cleaning. Work is possible. In other words, in this embodiment, as compared with the first embodiment, the contact area between the holder plate 230 and the bottom plate 260 is minimized to form a sure hollow structure, and the weight of the holder plate 230 is not increased. , The stability of the mop 200 and the effect of the cleaning operation can be secured.

However, since only a partial region of the rear surface 242 of the joint installation portion 232 is in contact with the bottom plate 260, the pressure from the holder plate 230 may not be properly transmitted to the bottom plate 260, and thus the bottom may be lowered. Plate 260 and the bottom surface is not in close contact, it is necessary to prevent the floor is not properly wiped. To this end, in this embodiment, the contact portion between the back surface of the holder plate 230 and the surface of the bottom plate 260 is adjusted.

Specifically, as shown in FIG. 13, the first concave portion 264 constituting the center surface of the bottom plate 260 according to the present exemplary embodiment is provided with a support 268 protruding upward from other regions. The support 268 is formed in a region corresponding to the hollow groove 245 formed in the rear surface 242 of the joint mounting portion 232 described above, and the bottom plate 260 through the support 268 protruding a predetermined amount. The central surface of the can contact the back of the joint installation 232.

In addition, as shown in FIG. 12, in the case of the holder plate 230 according to the present embodiment, in addition to contacting the bottom plate 260 with only the most central region of the rear surface 242 of the joint installation unit 232, the holder is provided. One or

more contact pieces

247, 248, and 249 protrude downward to the bottom of the plate 230. By forming the

contact pieces

247, 248 and 249, as shown in Fig. 14, when the holder plate 230 and the bottom plate 260 are coupled, the

contact pieces

247, 248 and 249 are bottomed out. It is configured to be in contact with the upper surface of the plate 260. Preferably, the first contact piece 247 which is provided at the periphery of the back surface 232 of the joint attaching part 230, the outer side of the first contact piece 247, for example, the upper surface of the bottom plate 260. The second contact piece 248 formed at a position corresponding to the protruding region between the first recessed portion 264 and the second recessed portion 266, outside the second recessed portion 266 on the upper surface of the bottom plate 260. The second contact piece 249 formed at a corresponding position may be classified, but the present invention is not limited thereto, and the holder plate 230 may be contacted with the bottom plate 260 to allow the holder plate 230 to be contacted. The pressure through) is configured to be properly transferred to the bottom plate 260.

As a result, according to the present embodiment, the bottom plate 260 reduces the weight of the holder plate 230 while minimizing the contact area between the back surface of the holder plate 230 and the bottom plate 260 to form a more reliable hollow structure. Placed in the side was in contact with the holder plate 230. As a result, the center of gravity can be further lowered as a much hollow structure as compared with the first embodiment, thereby improving stability, and the back surface of the holder plate 230 and the bottom plate 260 and the bottom surface are firmly in contact with each other, thereby efficiently. Mopping was possible.

In the present invention, by lowering the center of gravity of the mop adopting the bottom plate to be able to perform a stable cleaning operation to increase the efficiency of the mop, lightweight and stabilized to enable a smooth operation.

Claims

A holder plate having a joint to be installed at the bottom of the bag, a main part surrounding the joint installing part, and a fixing part to fix the mop;

A bottom plate that contacts only a portion of the bottom of the holder plate;

Mop so that at least a portion of the bottom surface of the holder plate is not in contact with the surface of the bottom plate to form a hollow area on the bottom surface of the holder plate and the surface of the bottom plate.
The mop according to claim 1, wherein the bottom plate is provided with a protrusion disposed in a direction opposite to the contact direction of the holder plate.
The mop according to claim 1, wherein the bottom plate is made of rubber or silicone.
The mop according to claim 1, wherein the joint installation part is formed at the center of the holder plate, and a bottom surface of the joint installation part protrudes downwardly from the bottom surface of the main part.
The upper surface of the bottom plate is provided with a first concave portion in contact with the bottom surface of the holder plate, and second concave portions formed on both sides of the first concave portion so as not to contact the bottom surface of the main portion. Mop.
The mop according to claim 5, wherein a hollow groove is formed in a bottom surface of the joint installation part.
The mop according to claim 6, wherein the hollow groove is formed at a position symmetrical about a center of a bottom surface of the joint installation part.
The mop according to claim 6, wherein at least one contact piece protruding downward to contact the upper surface of the bottom plate is formed at a bottom of the holder plate.
The mop according to claim 8, wherein the first concave portion is provided with a support projecting upwardly so as to contact the bottom surface of the joint installation portion.
The mop according to claim 9, wherein the support is formed at a position in contact with a bottom surface of the joint installation part in which the hollow groove is formed.
The mop according to claim 1, wherein the surface of the joint installation portion is formed lower than the surface of the main portion.