JP4395715B2 - deck brush - Google Patents

Description

  The present invention relates to a deck brush used as a tool for removing dirt from a floor or the like.

  The deck brush is configured to be suitable for the work of rubbing the brush head strongly against the floor or the like to remove dirt. In this deck brush, as disclosed in, for example, Patent Document 1, a relatively hard brush is implanted on the lower surface of the brush head main body, and a handle bar extending obliquely is formed on the upper surface of the brush head main body. Concatenated.

JP 2000-116567 A

  The handle bar is fixedly attached to the upper surface of the brush head body, and thus has the following problems.

  First, it is practically impossible to remove the dirt by inserting a brush head into a space where the clearance between the floor and the floor is small, such as a cooking device in a kitchen or a floor under a cooking table. . This is because the handle bar is caught on the lower edge of the cooking device or the cooking table and the brush head cannot be inserted deeply into the space. If the handle bar is tilted to near horizontal, it will be possible to insert the brush head into the above-mentioned space. However, if this is done, the lower surface of the brush will not be horizontal, and the floor will not be cleaned well.

  Secondly, it is not possible to insert the brush head into a region narrower than the front and rear width of the brush head to remove dirt on the floor or the like in that region.

  Thirdly, since the brush head is fixed to the lower end of the handle bar so as to protrude from side to side, a large storage space is required.

  It should be noted that a type of mop can be seen in which a handle bar is rotatably connected to the upper surface of the mop head. However, in the case of a deck brush, if a hard brush is included, the brush head has a considerable vertical height. Therefore, if the handle bar is simply rotatable with respect to the upper surface of the brush head, the force to move the brush head back and forth, left and right via the handle bar will not be transmitted well to the brush head, and the brush and floor The problem is that the brush head is inclined against the frictional force between the two.

  The present invention has been conceived under the circumstances described above, and is capable of appropriately performing dirt removal work such as a floor in a space with a low vertical height or a floor in a space with a narrow left and right width, etc. An object of the present invention is to provide a deck brush configured so that a force for moving the brush head along the floor or the like through the handle bar is effectively transmitted to the brush head.

  In order to solve the above problems, the present invention employs the following technical means.

That is, the deck brush provided by the present invention is a deck brush comprising a brush head in which a brush is implanted on the lower surface of a head body having a longitudinal axis, and a handle bar connected to the brush head, A first connecting member rotatable about a first axis parallel to the longitudinal axis, a first connecting member connected to the first connecting member so as to be rotatable about a second axis, and one end of the handle bar connected The second axis is orthogonal to the first axis when viewed in the axial direction of the connection first member, and is disposed at one side edge of the head body in the short direction. The first axis is disposed below the upper surface of the head main body, and a cut is formed to allow the connecting first member to rotate at least 90 degrees from a substantially upright state with respect to the head main body. And The head main body is detachably mounted with a pair of hinge blocks projecting so that a pivot portion extending along the first axis extends into the notch, and the connecting first member includes the pivot portion. It is characterized by being supported so as to be rotatable .

  In the deck brush having the above-described configuration, the handle bar is rotatable about a first axis parallel to the longitudinal axis of the brush head. Therefore, by tilting the handle bar with respect to the brush head, the brush head can be inserted into a space where the height from the floor is low and the floor or the like can be removed. The handle bar can also be rotated about a second axis perpendicular to the longitudinal axis of the brush head. Therefore, the brush head can be reciprocated along the longitudinal axis by moving the handle bar back and forth in a state where the handle bar is tilted about the second axis. As a result, according to the deck brush of this configuration, the brush head is inserted into a narrow space that is narrower than the width of the brush head and substantially corresponds to the dimension in the short direction of the brush head, and the floor or the like in the space is contaminated. Dropping work can be performed. Thus, according to the deck brush which concerns on this invention, the area | region which can perform dirt removal work spreads markedly, and becomes more convenient. In addition, if the handle bar is rotated about the second axis, the brush head can be folded along the handle bar, thereby saving the storage space for the deck brush of this configuration. .

  The brush head of the deck brush has a relatively large vertical dimension due to the relatively long bristle of a hard brush. In the above configuration, as a result of the first axis that rotatably supports the connecting first member being disposed below the upper surface of the head body, the height of the first axis from the floor surface when the deck brush is used. Can be lowered. The force to move the brush head in the short direction in order to rub off dirt on the floor, etc. is transmitted from the handle bar via the first axis, but it is assumed that a frictional force is generated between the brush and the floor. However, a situation in which the brush head tilts against this frictional force is avoided. This means that even if the handle bar is rotatable about the first axis with respect to the brush head, the force from the handle bar is effectively transmitted to the brush head, and the brush head does not tilt. It means that it can move along the surface.

In the deck brush having the above-described configuration, even if the first axis is disposed below the upper surface of the head body, the connecting second member or the handle bar is rotated about the first axis until the connecting second member or the handle bar becomes substantially horizontal. To be able to move. As a result, it is possible to insert the brush head and perform the dirt removing operation even in a space having a smaller clearance from the floor.

In the deck brush having the above configuration , the handle bar can be easily removed from the head body by removing the hinge block from the head body. Accordingly, the brush head with worn brushes can be easily replaced, and maintenance of the brush head can be easily performed.

  In a preferred embodiment, the pair of hinge blocks includes a second connecting member that is tilted about the second axis from the upright state in the upright state of the first connecting member with respect to the head body. Stopper means is provided that engages with the second connecting member to prevent the first connecting member from rotating about the first axis.

  By configuring in this way, in the state where the handle bar is rotated around the second axis, the handle bar does not rotate around the first axis, so that the brush head is stabilized.

  Other features and advantages of the present invention will become more apparent from the detailed description given below with reference to the drawings.

  Hereinafter, preferred embodiments of the present invention will be specifically described with reference to the drawings.

   As shown in FIGS. 1 to 3, the deck brush 10 includes a brush head 200 and a handle rod 30 connected to the brush head 200. The brush head 200 includes a head body 210 having a substantially rectangular shape in plan view having a longitudinal axis, and a brush 220 having a relatively hard and long bristle planted on the lower surface of the head body 210. The lower surface of the head main body 210 is convexly curved in a side view (see FIG. 6), but the lower end position of the brush 220 is aligned, and when the entire brush head 200 is placed on a flat surface such as a floor, Stability is gained.

  In the present invention, the handle 30 is rotatable with respect to the head main body 210 about a first axis L1 parallel to the longitudinal axis of the head main body 210 (FIG. 7) and orthogonal to the first axis L1. Are connected so as to be rotatable about the second axis L2 (FIG. 9). For this purpose, a connection first member 300 is provided that can be rotated about a first axis L1 parallel to the longitudinal axis, and can be rotated about a second axis L2 with respect to the connection first member 300. A connected second member 400 is provided. The second axis L <b> 2 is orthogonal to the first axis L <b> 1 when viewed in the axial direction of the connecting first member 300. One end of the handle rod 30 is connected to the connection second member 400. In the present invention, the first axis L1 is disposed below the upper surface of the head body 210. This configuration is embodied as described below in the embodiment shown in the figure.

  As shown well in FIGS. 2, 3, and 6, the head main body 210 has a substantially rectangular incision 230 having a predetermined width from one side edge in the short direction thereof penetrating in the vertical direction of the head main body 210. A pair of bottomed recesses 240 extending in the longitudinal direction of the head body 210 are formed on the upper surface of the head body 210 so as to be continuous with the inner part of the notch 230. A pair of hinge blocks 250 for supporting the connecting first member 300 so as to be rotatable about the first axis L1 is detachably attached to the pair of bottomed recesses 240.

  As shown in FIGS. 3 and 4, the hinge block 250 includes a wing portion 251 that is detachably fitted into the bottomed recessed portion 240, and a vertical wall portion 252 that is formed continuously with the wing portion 251. And a cylindrical pivot portion 253 projecting from the vertical wall portion 252. The pivot portion 253 is positioned below the upper surface of the wing portion 251 by a predetermined distance. On the lower surface of the wing portion 251, a rib 254 continuous with the vertical wall portion 252 and a hook piece 255 elastically deformable in the thickness direction are formed adjacent to the rib 254. Correspondingly, a slit 241 for receiving the rib 254 is formed on the bottom surface of the bottomed recess 240, and as shown in FIG. 5, the tip hook 255a of the hook piece 255 is engaged. A through hole 243 that has a mating engagement portion 244 on the inner surface and penetrates to the lower surface of the head body 210 is formed. Slopes 244a and 255b are formed at the ends of the engaging portion 244 and the hook 255a of the hook piece 255, respectively. Therefore, when the hook piece 255 is inserted into the through hole 243, the hook piece 255 255a moves on the slope 244a of the engaging portion 244 while being elastically bent, and eventually the hook 255a automatically engages with the engaging portion 244 and the hook piece 255 through the bottomed recess 240 of the wing portion 251 is removed. Withdrawal is prevented. Thus, the wing portion 251 is attached to the bottomed recess 240, and at the same time, the pivot portion 253 of the hinge block 250 is positioned below the upper surface of the head body 210 in the notch 230 of the head body 210. It arrange | positions so that it may extend in the longitudinal direction of the main body 210, and forms the said 1st axis line L1. The hinge block 250 can be removed by inserting a thin tool from below the through-hole 243 to disengage the hook piece 255 from the engaging portion 244.

  When the second connecting member 400 is rotated about the second axis L2 with respect to the first connecting member 300, the first connecting member 300 connects the first axis L1 to the pair of hinge blocks 250. Stopper means for preventing rotation as a center is formed, which will be described later together with a specific configuration of the connection second member 400.

  As shown in FIGS. 3 and 4, the connecting first member 300 has a horizontal width corresponding to the width of the notch 230 of the head main body 210, and the lower end portion has a pivot of the pair of hinge blocks 250. A support hole 310 that fits into the portion 253 is provided. Thereby, this connection 1st member 300 becomes rotatable centering on the said pivot part 253, ie, the said 1st axis line L1. As shown clearly in FIG. 6, the upper portion of the first connecting member 300 is a thin portion 320 with a reduced thickness, and a through hole 321 in the thickness direction is formed in the thin portion 320. ing. The through-hole 321 is orthogonal to the support hole 310 when viewed in the axial direction of the connection first member 300. As will be described later, the through-hole 321 forms a second axis L2 to connect the connection second member 400 to the support hole 310. It is used for connecting to be rotatable about the second axis L2.

  As shown in FIGS. 3 and 4, the connecting second member 400 has a cylindrical portion 410 for fitting and connecting the handle 30 at the upper portion, and below the connecting first member 300. It has a bifurcated connecting portion 420 that sandwiches the thin portion 320 from both sides in the thickness direction. The bifurcated connecting portion 420 also has a lateral width equivalent to that of the thin portion 320 of the connecting first member 300. As clearly shown in FIG. 6, the bifurcated connecting portion 420 is formed with a through hole 421 corresponding to the through hole 321 of the first connecting member 300 in the same axial line, and these through holes 421. A counterbore portion 422 that is stepped down in two stages is formed at the outer end portion of. As shown in FIG. 8, a plurality of protruding ridges 424 extending radially are formed in the stepped portion 423 of the first step of the spot facing portion 422 in an annular manner.

  As shown in FIG. 6, the first connecting member 300 and the second connecting member 400 include a first shaft member 510 and a second shaft member 520 in the through holes 321 and 421 formed in the members 300 and 400. Are connected so as to be rotatable about the second axis L2. The first shaft member 510 and the second shaft member 520 include head portions 511 and 521 that fit into the counterbore portion 422 and cylinder portions 512 and 522, respectively. Protrusions 513 and 523 that can be step-engaged with the plurality of radially extending ridges 424 are formed on the inner surfaces of the heads 511 and 521 corresponding to the first-stage stepped portions. A concave groove 514 extending in the axial direction is formed on the outer surface of the cylindrical portion 512 of the first shaft member 510, and this rib is formed so as to extend in the axial direction on the inner surface of the through hole 321 of the connection first member 300. By engaging with 322 (FIG. 8), relative rotation of the first shaft member 510 with respect to the through hole 321 of the connection first member 300 is prevented. The cylindrical portion 522 of the second shaft member 520 has an outer diameter that can be fitted into the inner hole of the cylindrical portion 512 of the first shaft member 510. An annular ridge 524 extending in the circumferential direction is formed on the outer surface of the tube portion 522, and this engages with an annular groove 515 formed in the inner hole of the tube portion 512 of the first shaft member 510. The first shaft member 510 and the second shaft member 520 are prevented from being detached in the assembled state. Although illustration is omitted, the first shaft member 510 and the second shaft member 520 are configured not to rotate relative to each other in the assembled state. Thereby, when the connection 2nd member 400 is rotated centering on the 2nd axis L2, the processus | protrusion 513,523 formed in the head part of each shaft member 510,520 is formed in the said counterbore part 422 at equal intervals cyclic | annular form. The plurality of protruding ridges 424 are engaged in stages. This means that a certain resistance is given to the rotation of the connecting second member 400, and a stepwise sense of moderation is given to the resistance.

  As shown in FIG. 2, FIG. 3, FIG. 9, etc., the lower edge of the bifurcated connecting portion 420 of the connecting second member 400 is formed in an arc shape centering on the second axis L2. . Correspondingly, the boundary 323 between the lower portion and the upper thin portion 320 in the connection first member 300 is also formed in an arc shape centered on the second axis L2. Accordingly, even if the connection second member 400 rotates about the second axis L2 with respect to the connection first member 300, the lower edge of the connection portion 420 of the connection second member 400 and the connection first member 300 described above. There is no deterioration in appearance, such as a change in the clearance with the boundary portion 323.

  As shown in FIGS. 3, 4, and 9, the arc-shaped boundary between the lower portion and the thin portion 320 of the connecting first member 300 described above from the upper portion of the vertical wall portion 252 to the wing portion 251 in each hinge block 250. Are formed from both sides in the thickness direction of the hinge block 250 so that the remaining portions are formed as engaging protrusions 257. The thickness of the engagement protrusion 257 is made to correspond to the thickness of the thin portion 320 of the connection first member 300. Therefore, for example, when the connecting second member 400 is rotated around the second axis L2 from the state shown in FIG. 2, the edge of the bifurcated connecting portion 420 is moved to the engagement protrusion as shown in FIG. 257 is engaged so as to sandwich it, and the rotation of the connecting first member 300 around the first axis L1 is prevented. That is, the engagement protrusion 257 forms stopper means for preventing the connection first member 300 from rotating in a predetermined state.

  As shown in FIGS. 3 and 4, the deck brush 10 is assembled with a pair of hinge blocks in the support hole 310 of the first connecting member 300 in a state where the first connecting member 300 and the second connecting member 400 are connected. This can be done simply by combining the pivot portions 253 of 250 and inserting the pair of hinge blocks 250 into the bottomed recesses 240 of the head main body 210. At this time, as described above, the hook piece 255 protruding from the lower surface of the wing portion 251 of the hinge block 250 automatically engages with the engagement portion 244 on the inner wall of the through hole 243 formed in the bottomed recess 240, thereby The separation of 250 from the head body 210 is prevented. To remove the brush head 200, as described above, a thin tool is inserted into the through-hole 243 from the lower surface side of the head main body 210, and the engagement of the hook piece 255 with the engagement portion 244 is released. do it. Thus, since the brush head 200 can be attached to and detached from the handle 30, it is easy to replace the brush head 200 with worn brushes with a new one, and maintenance of the brush head 200 is also easy. It is.

  As described above, in the deck brush 10 having this configuration, the connecting first member 300 is positioned in the notch 230 from the vertical standing state (FIGS. 2 and 6) in which the side wall abuts the back wall of the notch 230. A range of at least 90 degrees about the first axis L1 can be rotated to the horizontal state (FIG. 7). For that purpose, the connection 2nd member 400 needs to be linear with respect to the connection 1st member 300 in front view. This is because, as described above, the bifurcated connecting portion 420 of the connecting second member 400 also has a width corresponding to the width of the notch 230, similarly to the connecting first member 300. That is, when the connecting first member 300 and the connecting second member 400 are rotated about the first axis L1 until the connecting second member 400 is located in the notch 230, the connecting second member 400 is connected to the connecting first member 300. This means that the rotation around the second axis L2 is prevented, and the connected first member 300 and the connected second member 400 maintain a straight line shape.

  Therefore, in the deck brush 10 having the above-described configuration, the handle 30 is rotated about the first axis L1 with respect to the brush head 200, so that the vertical standing state (FIGS. 2 and 6) is changed to the horizontal state (FIG. 7). The handle bar 30 can be adjusted to an angle that is most easy to operate in accordance with the operator's height, etc. An operator moves the brush head 200 in the front-rear direction via the handle bar 30 to perform dirt removal work on the floor or the like. The force for moving the brush head 200 in this way is brushed via the first axis L1. It is transmitted to the head 200. Since the first axis L1 is positioned below the upper surface of the head main body 210, the height of the first axis L1 from the floor is reduced. Therefore, a situation in which the brush head 200 tilts against the frictional force between the brush 220 of the brush head 200 and the floor is avoided. This is because the force from the handle bar 30 is effectively transmitted to the brush head 200 even if the handle bar 30 is rotatable about the first axis L1 with respect to the brush head 200 as described above. This means that the brush head 200 can move along the floor without tilting. When the handle bar 30 is tilted and rotated from the vertical state around the first axis L1, as described above, the handle bar 30 is prevented from rotating around the second axis L2. During the operation, the brush head 200 does not fluctuate, and a stable operation can be performed.

  In addition, the head body 210 is provided with a notch 230 that accommodates the connected first member 300 or the connected second member 400 that rotates about the first axis L <b> 1. Therefore, the first axis L <b> 1 is the head body 210. The handle 30 can be rotated until it is in a horizontal state as shown in FIG. Therefore, the vertical height of the deck brush 10 including the handle 30 at this time can be set to the range up to the upper surface of the brush head 200, and the brush head 200 is inserted even in a space where the clearance from the floor is small. Thus, the dirt removal work can be performed.

  Furthermore, in the deck brush 10 having the above-described configuration, the handle rod 30 can be rotated around the second axis L2 from the vertical standing state, and the rotation angle can be freely selected according to the height of the operator. Can do. In this state, by operating the handle 30 in the front-rear direction, the brush head 200 can be reciprocated along its longitudinal axis. Therefore, the deck brush 10 is inserted into a narrow space that is narrower than the width of the brush head 200 and substantially corresponds to the dimension in the short direction of the brush head 200, and the floor of the space is soiled. Dropping work can be performed. When the handle bar 30 is rotated from the vertical standing state about the second axis L2, as described above, the handle bar 30 is prevented from rotating about the first axis L1, so that the handle bar 30 is in operation. The brush head 200 does not wobble and can perform a stable operation.

  Of course, the scope of the present invention is not limited to the above-described embodiment, and all modifications within the scope of matters described in the claims are all included in the scope of the present invention.

It is a principal part perspective view of the deck brush which concerns on one Embodiment of this invention. It is a principal part perspective view of the deck brush which concerns on one Embodiment of this invention. It is a disassembled perspective view of the said deck brush. It is a perspective view which shows the assembly structure of the connection 1st member in the said deck brush, a connection 2nd member, and a hinge block. It is sectional drawing which follows the VV line of FIG. It is sectional drawing which follows the VI-VI line of FIG. In the said deck brush, it is sectional drawing which shows a mode that the handle | bar was rotated centering on the 1st axis line from the upright state to the horizontal state with respect to the brush head. It is an axial front view of the through hole of the connection 2nd member. It is explanatory drawing which shows a mode that the connection 2nd member rotated centering on the 2nd axis line with respect to the connection 1st member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Deck brush 30 Handlebar 200 Brush head 210 Head main body 220 Brush 230 Notch 240 Bottomed recessed part 241 Slit 243 Through-hole 244 Engagement part 250 Hinge block 251 Wing part 253 Axis part 254 Rib 255 Hook piece 256 Cut part 257 Engagement protrusion 300 connection 1st member 310 support hole 320 thin part 321 through-hole 400 connection 2nd member 410 cylindrical part 420 connection part (bifurcated shape)
421 Through-hole 422 Counterbore 500 Shaft member 510 First shaft member 520 Second shaft member L1 First axis L2 Second axis

Claims (2)

A deck brush comprising a brush head in which a brush is implanted on the lower surface of a head body having a longitudinal axis, and a handle bar connected to the brush head,
A first connecting member rotatable about a first axis parallel to the longitudinal axis; a first connecting member rotatably connected to the first connecting member around a second axis; and one end of the handle bar The second axis line is orthogonal to the first axis when viewed in the axial direction of the first member ,
The first axis is disposed below the upper surface of the head body at one side edge in the short direction of the head body, and the connecting first member is rotated at least 90 degrees from a substantially upright state with respect to the head body. A notch is formed to allow movement, and
The head main body is detachably mounted with a pair of hinge blocks projecting so that a pivot portion extending along the first axis extends into the notch, and the connecting first member includes the pivot portion. A deck brush characterized by being supported so as to be rotatable with respect to the deck brush. The pair of hinge blocks engage with the second connecting member when the second connecting member tilts about the second axis from the upright state in the upright state of the first connecting member with respect to the head body. The deck brush according to claim 1, further comprising stopper means for preventing the connection first member from rotating around the first axis .

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