JP3019135U - Cleaning tools - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a cleaning tool capable of reducing the cost while ensuring the cushioning property of the lower surface of the head to which the cleaning sheet is attached. [Structure] A pivoting frame 11 of a universal joint 3 is provided at one end of a handle 2, and a supporting piece 15 is provided at a central portion of an upper surface of an upper frame 13 made of ABS resin to connect the pivoting frame 11 via a connecting piece 12. A base made of a thermoplastic elastomer is provided in the lower part of the upper frame 13, and a buckle 16 for sandwiching the edge of the nonwoven fabric 18 is provided in the upper part of the upper frame 13, and the slack of the nonwoven fabric 18 is elastically protruded to the outer peripheral portion of the base 14. A ridge 25 is provided to prevent it and to act as a cushioning material at the time of collision against a wall or the like.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a household cleaning tool, and more particularly to a cleaning tool that uses a cleaning sheet such as a non-woven fabric that can wipe dust on floors and tatami mats lightly.

[0002]

[Prior art]

 Conventionally, as shown in FIGS. 14 and 15, a head 73 to which a non-woven fabric 72 as a cleaning tool sheet is attached and a handle 75 provided on the head 73 via a joint 74 are used. A holding body 77 as an upper member on which a holding portion 76 for holding an edge portion is formed, and a base 78 that is a lower member mounted on the bottom surface of the holding body 77. The base 78 is made of a thermosetting foamed resin having elasticity and has an excellent cushioning property. The base 78 is made of urethane foam, for example. Urethane foam is particularly elastic and has a significantly faster restoration speed after elastic deformation than other synthetic resins.For example, even if it collides with a wall during cleaning, it will quickly return to its original shape. , You can continue cleaning.

As described above, urethane foam with high elasticity has a drawback that the price of the material itself is higher than that of other synthetic resins. Further, since urethane foam is a thermosetting resin, it has a drawback that the molding cycle is long, the molding processing cost is high, and as a result, the price of the product is increased.

[0004]

[Problems to be solved by the device]

 The present invention has been made in view of such conventional problems, and provides a cleaning tool that can be formed at low cost while ensuring cushioning properties on the lower surface of the head to which the cleaning sheet is attached. The purpose is to

[0005]

Means for Solving the Problems In order to solve the above problems, according to the present invention, a device according to claim 1 is provided with a part of a universal joint at one end of a handle and is formed of a first synthetic resin. The other part of the self-connecting joint is provided in the center of the flat plate-shaped upper frame to connect it to the handle, and the base made of the second synthetic resin having higher elasticity than the first synthetic resin is provided at the lower part of the upper frame. In the cleaning tool, the upper frame is provided with a sandwiching means for sandwiching the edge portion side of the cleaning sheet to be mounted so as to surround the outer periphery of the base, and the outer peripheral portion of the base is provided with a protruding portion protruding outward.

The invention according to claim 2 is the cleaning tool, wherein four clamping members are formed by buckles that are provided at four corners of the upper surface of the upper frame and that open and close toward the outside.

A third aspect of the present invention is the cleaning tool, wherein the protruding portion is set so that the dimension of protruding from the base to the outside is set larger than the thickness dimension thereof.

A fourth aspect of the present invention is a cleaning tool in which an edge portion of the upper frame is vertically erected and a base having a shape corresponding to the edge portion is provided.

[0009]

[Action]

 According to the invention of claim 1, since the protrusion is provided on the outer peripheral portion of the base, even if the protrusion collides with the wall or the like during cleaning, the protrusion acts as a buffer member and scratches the wall surface. You can prevent it. Also, when the cleaning sheet is attached, the ridges are elastically deformed, which prevents slack and wrinkles.

According to the invention of claim 2, since the buckles are provided at the four corners of the upper frame, when the cleaning sheet is attached, the four corners of the cleaning sheet wound around the outside of the base can be securely clamped.

According to the third aspect of the present invention, since the protruding portion is set such that the dimension protruding outward is larger than the thickness thereof, elastic deformation is facilitated, and the effect of cushioning or the like can be enhanced. it can.

According to the invention of claim 4, the base is firmly fixed to the upper frame side by the first step portion along the edge of the upper frame. Further, by providing the second step portion on the outside, it is possible to obtain a cushioning effect and the like.

According to the invention of claim 5, the vertical wall is erected on the upper frame and the base is provided along the vertical wall, so that the lower part of the wall can be cleaned.

[0014]

【Example】

 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a flooring mop 1 as a cleaning tool in the present invention. The flooring mop 1 includes a handle 2 and a head 4 connected to the handle 2 via a universal joint 3. The handle 2 includes six parts that are connected in the axial direction. The handle 2 is provided with a grip 5 on the free end side, a hanging hole 6 penetrating in the radial direction is formed at one end of the grip 5, and a cap 7 for decoration is attached to the end portion. In the middle of the handle 2, four connecting rods 8 are inserted and connected. The grip 5 and the connecting rod 8 are provided with the same connecting structure 9, and each of them has an insertion end and an insertion end, and is continuously connected to form one handle 2. The joint rod 10 that constitutes the joint-side end of the handle 2 is connected to the fourth connecting rod 8 by the same connecting structure. The joint rod 10 constitutes a part of the universal joint 3, and is provided with a Y-shaped branching frame 11. The pivotal frame 11 has a pair of branched frames, on opposite surfaces of which a short shaft (not shown) having the same axis is erected with the tip ends facing each other. One end of the connecting piece 12 is rotatably fitted between the pair of short shafts. The connecting piece 12 is formed in the shape of an ellipse, and the pivot frame 11 is connected to one end of the ellipse and the center portion of the head 4 is connected to the other end. The head 4 includes an upper frame 13 formed in the shape of a rectangular frame plate that opens downward, and a base 14 attached to the lower portion of the upper frame 13. The upper frame 13 is made of ABS resin as the first synthetic resin, or a synthetic resin such as polypropylene resin, and the base 14 is made of a thermoplastic elastomer as the second synthetic resin. The vulcanized rubber physical test method (JIS K The hardness according to 6301) is set to 60 or less. The other end of the connecting piece 12 is held and connected between a pair of support pieces 15 standing upright in the upper center of the upper frame 13. A pair of end shafts having the same axis is formed on the surfaces of the support piece 15 facing each other, and the other end of the connecting piece 12 is rotatably supported by the pair of single shafts. .. Here, each of the short shafts has an inclined surface at the tip end portion thereof so that the connecting work of the connecting pieces 12 can be smoothly performed. The universal joint 3 is constituted by the pivotal frame 11, the connecting piece 12 and the support piece 15.

The structure of the upper frame 13 will be described with reference to FIGS. 2 and 3. The upper frame 13 is formed in the shape of a rectangular thin box that opens downward, and the support piece 15 is erected at the center of the upper part and the handle 2 is rotatably connected. Further, a total of four buckles 16 as a sandwiching means are provided on the four corner sides of the rectangular long side edge of the upper frame 13. The bag 16 is configured such that the edge side of the upper frame 13 is a free end and the center side of the upper frame 13 is pivotally supported. The upper frame 13 where the buckle 16 is provided has a recess 17 that sinks when the buckle 16 is closed. The non-woven fabric 18 wound so as to wrap the head 4 is designed so that the edges are sandwiched and held between the four buckles 16 and the upper frame 13 as shown in FIG.

A base 14 is provided on the lower surface of the upper frame 13. A total of five reinforcing ribs 19 are provided on the lower surface of the upper frame 13 in a direction orthogonal to the forward / backward direction (indicated by front and rear arrows in the drawing) when cleaning. The heights of the ends of the five reinforcing ribs 19 are set so as to form a joint surface with the base 14, and the cross ribs 20 that connect the five reinforcing ribs 19 and the edge of the upper frame 13 are formed in the central portion. Is provided. The intersecting rib 20 is located immediately below the universal joint 3 and intersects with the reinforcing rib 19 so that the overall strength of the upper frame 13 is obtained. A plurality of press-fitting pins 21 are erected on the lower surface of the upper frame 13 between the reinforcing ribs 19 and the cross ribs 20. The press-fitting pin 21 is tapered so that the base end side is thicker and the tip end side is thinner, so that the press-fitting pin 21 can be easily press-fitted.

The base 14 has a top surface structure as shown in FIG. The central portion has a rectangular recessed structure, and the edge portion of this recessed portion forms the first step portion 22 and is formed with an inner contour that fits so as to surround the entire circumference of the upper frame 13. A plurality of ribs 23 are formed in the recessed portion on the inner side of the first step portion 22 along the cleaning direction (the front-back direction indicated by the arrow). These ribs 23 are formed to make the base 14 thinner, and compensate for the lack of strength due to the reduced thickness. The portion where the rib 23 is not provided is elastically deformed more easily than the portion where the rib 23 is provided. A cylindrical boss hole 24 into which the press-fitting pin 21 is press-fitted is formed on the upper surface of the base 14 corresponding to the press-fitting pin 21 provided on the upper frame 13. When the press-fitting pin 21 is press-fitted, the boss hole 24 is elastically deformed to hold the press-fitting pin 21 in a crimp-fitted state. The ribs 23 are connected to each other in the center of the base 14 by connecting ribs 25 extending in the left-right direction (longitudinal direction indicated by the arrow in FIG. 4 left and right), and the entire rib integrally increases rigidity. Has become. The base 14 configured as described above is press-fitted into the upper frame 13 while being fitted inside the first step portion 22, so that the press-fitting pin 21 is press-fitted into the boss hole 24 and integrally coupled. To be done. In other words, the upper frame 13 and the base 14 are joined only by press-fitting and assembling work, and no bonding work or welding work is required, and the number of assembling processes and material costs can be reduced as compared with the conventional structure. it can.

The bottom surface of the base 14 is formed in a shape in which the central portion protrudes. As shown in FIG. 5, in a cross-sectional shape cut in the forward and backward directions of cleaning, the outer peripheral edge portion is inclined upward by a dimension H. It is provided in. By inclining the bottom so that the center of the bottom has a convex shape, large dust is adsorbed on the outside and small dust is adsorbed on the center so that the dust can be evenly adsorbed on the entire surface. Has become.

A second step portion 25 is provided on the outer edge of the first step portion 22 of the base 14 in the front-rear direction. The second step portion 25 extends from the bottom surface to form the same surface as shown in FIG. 6, for example, and the dimension L at which the second step portion 25 projects from the first step portion 22 is the thickness of the second step portion 25. The relationship is L> T with respect to T. In the second step portion 25 thus configured, when the nonwoven fabric 18 is mounted, the second step portion 25 is deformed as shown in FIG. In this way, the second step portion 25 has the function of preventing the slack and wrinkles of the nonwoven fabric 18. As shown in FIG. 8, the second step portion 25 acts as a cushioning material even when it collides with a wall or the like, and can prevent the wall from being scratched. Since the thickness dimension T of the second step portion 25 is set smaller than the protrusion dimension L, the second step portion 25 is formed to have a relatively small thickness, and even if it is deformed, the speed of restoring the shape is high, It is possible to secure the same quality as that made of expensive resin such as urethane foam.

A second embodiment will be described with reference to FIG. The base 14 attached to the upper frame 13 is provided with a first step portion 22 and a second step portion 25. The second step portion 25 is formed as a ridge extending in the horizontal direction from the middle portion of the peripheral wall of the base 14, and is provided at a position higher than the bottom surface by a predetermined dimension. Even the ridge portion 25 formed in this manner serves as a tension source when the nonwoven fabric 18 is wound, and also acts as a cushioning member when it collides with a wall or the like.

A third embodiment will be described with reference to FIG. The base 14 provided for the upper frame 13 is provided with a first step portion 22 and a second step portion 25. The second step portion 25 is formed on the peripheral wall of the base 14 as a fin portion 25 which is divided into a plurality of layers and protrudes in a fin shape. Even the ridge portion 25 having such a shape serves as a tension source when the nonwoven fabric 18 is wound, and also acts as a cushioning member when it collides with a wall or the like.

A fourth embodiment will be described with reference to FIG. The base 14 provided for the upper frame 13 is provided with a first step portion 22 and a second step portion 25. The second step portion 25 has a protruding portion 25 protruding from the peripheral wall of the base 14, and a plurality of ribs 26 protruding upward are provided on the upper surface of the protruding portion 25. Even the ridge portion 25 having such a shape serves as a tension source when the nonwoven fabric 18 is wound, and also acts as a cushioning member when colliding with a wall or the like. Further, since the plurality of ribs 26 are shaped so that the mold can be pulled out in the vertical direction, the molding cost can be reduced.

A fifth embodiment will be described with reference to FIG. The base 14 provided for the upper frame 13 is provided with a first step portion 22 and a ridge portion 25 formed on the first step portion 22 in a continuous arc shape. The ridge portion 25 is formed in an arc shape with an open bottom, and the tip end portion extends downward. The protrusion 25 thus formed serves as a tension source when the nonwoven fabric 18 is wound, and also acts as a cushioning member when it collides with a wall or the like. Further, since the protruding portion 25 has a shape in which the molding die is pulled out in the vertical direction, the molding cost can be reduced.

As described above, since the ridges 25 shown in FIGS. 9 to 12 generate tension when the nonwoven fabric 18 is wound, wrinkles and slack are generated in the nonwoven fabric 18. Can be prevented. Further, since it is configured to be elastically deformed easily, it exerts a cushioning function even when it collides with a wall or the like, and cleaning can be efficiently performed without damaging the wall or the like.

A sixth embodiment will be described with reference to FIG. The upper frame 13 shown in the figure is integrally formed with a vertical wall 27 vertically standing on one side. The base 14 is attached to the vertical wall 27, and the base 14 extends to the vertical wall 27 as well as the bottom surface. By thus providing the vertical wall 27, it is possible to extremely easily clean the lower portion near the corner of the wall surface formed orthogonal to the floor surface. By providing the vertical wall 27 in this manner, it becomes possible to easily clean the lower part of the wall surface, which is impossible or extremely difficult to clean by the conventional flooring mop.

The present invention is not limited to the above embodiments. For example, in the above-described embodiment, the base 14 has the boss hole 24 and is fitted with the press-fitting pin 21 of the upper frame 13, so that it is possible to perform the coupling and assembling without the need for an adhesive or the like. It is not limited. For example, the upper frame 13 and the base 14 may be joined by an adhesive.

[0027]

[Effect of device]

 According to the first aspect of the present invention, since the elastic ridge is provided on the outer circumference of the base, it is possible to prevent the cleaning sheet wound around the head from wrinkling or slackening. In addition, when colliding with a wall or the like during cleaning, the ridge portion elastically deforms and functions as a cushioning material.

According to the invention of claim 2, since the total of four buckles is provided on the four corners of the upper frame, the four corners of the cleaning sheet can be securely clamped, and the cleaning sheet is prevented from slipping or coming off during cleaning. it can.

According to the third aspect of the present invention, since the protruding dimension of the protruding rib to the outside is larger than the thickness dimension, high elasticity can be obtained, and wrinkles and slack of the cleaning sheet can be prevented. The effect can be enhanced. In addition, it is possible to enhance the cushioning effect at the time of collision with a wall or the like.

According to the invention of claim 4, the first step portion is provided at the edge portion of the base, and the second step portion is provided so as to project from the first step portion, so that the second step portion is easily elastically deformed. , The effect of preventing wrinkles and sagging of the cleaning sheet can be obtained. Further, when it comes into contact with the wall, it has a cushioning effect as a cushioning material.

According to the invention of claim 5, a vertical wall is provided upright at the edge of the upper frame, and the base is extended along the vertical wall, so that the lower part of the wall is cleaned by the vertical wall portion. This makes it possible to clean the lower corners of walls that could not be easily cleaned with conventional mops.

[Brief description of drawings]

FIG. 1 is a perspective view showing a flooring mop of the present invention.

FIG. 2 is a perspective view showing a state in which a nonwoven fabric is mounted on the head portion of FIG.

3 is a bottom view of the exploded upper frame portion of FIG. 1. FIG.

FIG. 4 is a plan view of the exploded base of FIG.

FIG. 5 is a side cross-sectional view taken in the front-rear direction from the center of the base.

FIG. 6 is a cross-sectional view of a head portion showing a main portion of the first embodiment.

7 is a cross-sectional view showing a usage state of FIG.

FIG. 8 is a cross-sectional view showing the usage state of FIG.

FIG. 9 is a cross-sectional view of the head part showing the main part of the second embodiment.

FIG. 10 is a cross-sectional view of the head part showing the main part of the third embodiment.

FIG. 11 is a cross-sectional view of the head part showing the main part of the fourth embodiment.

FIG. 12 is a cross-sectional view of the head part showing the main part of the fifth embodiment.

FIG. 13 is a cross-sectional view of the head part showing the main part of the sixth embodiment.

FIG. 14 is a front view showing the structure of a conventional mop.

FIG. 15 is a perspective view showing a conventional mop.

[Explanation of symbols]

 1 Flooring Mop 2 Handle 3 Universal Joint 4 Head T Thickness Dimension L Projection Dimension 13 Upper Frame 14 Base 16 Buckle (Clamping Means) 18 Nonwoven Fabric 22 First Step 25 Second Step 26 Plural Ribs Projecting Upward 27 Vertical wall

Claims (5)

[Scope of utility model registration request] 1. A handle having a part of a universal joint at one end and a flat plate shape, and another part of the universal joint provided at a central part to be connected to the handle and made of a first synthetic resin. A frame, a base provided below the upper frame and made of a second synthetic resin having higher elasticity than the first synthetic resin, and a cleaning sheet attached to the upper frame in a state of surrounding the outer periphery of the base A cleaning tool, comprising: a sandwiching means for sandwiching the edge portion side thereof, and a protruding portion provided on an outer peripheral portion of the base and elastically projecting outward. 2. The cleaning tool according to claim 1, wherein a total of four pinching means are provided on the four corners of the upper surface of the upper frame and open and close toward the outside. 3. The cleaning tool according to claim 1, wherein the protruding portion has a dimension in which it projects outward from the base larger than a thickness dimension. 4. The base includes a first step portion along an edge portion of the upper frame, and a second step portion as a ridge portion protruding outward from the first step portion. Claim 1 characterized by
The cleaning tool according to any one of 3. 5. A handle having a universal joint at one end thereof, and a vertical wall provided at the center with the other portion of the universal joint connected to the handle and standing upright at the edge. An upper frame, a base made of a second synthetic resin having higher elasticity than the first synthetic resin provided on the lower portion and the vertical wall of the upper frame, and mounted on the upper frame so as to surround the outer periphery of the base. And a clamping means for clamping the edge side of the cleaned cleaning sheet.