WO2018020537A1 - Outil d'accouplement et dispositif de nettoyage - Google Patents

Outil d'accouplement et dispositif de nettoyage Download PDF

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Publication number
WO2018020537A1
WO2018020537A1 PCT/JP2016/071683 JP2016071683W WO2018020537A1 WO 2018020537 A1 WO2018020537 A1 WO 2018020537A1 JP 2016071683 W JP2016071683 W JP 2016071683W WO 2018020537 A1 WO2018020537 A1 WO 2018020537A1
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WO
WIPO (PCT)
Prior art keywords
connecting member
claw
engagement surface
protrusion
main body
Prior art date
Application number
PCT/JP2016/071683
Other languages
English (en)
Japanese (ja)
Inventor
勝三 鎌田
Original Assignee
有限会社アクセス
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 有限会社アクセス filed Critical 有限会社アクセス
Priority to PCT/JP2016/071683 priority Critical patent/WO2018020537A1/fr
Publication of WO2018020537A1 publication Critical patent/WO2018020537A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes

Definitions

  • the present invention relates to a connecting tool for connecting a driving member and a driven member and transmitting a rotational driving force from the driving member to the driven member, and a cleaning device including the same.
  • the conventional connecting tool used in such a cleaning apparatus includes a first connecting member 102 mounted on the main body (not shown) and a second connecting member 103 mounted on the cleaning portion C side. And a plurality of locking portions 171 provided on the second connecting member 103 are locked to a groove portion 121 defined between the connecting surface 142 of the first connecting member 102 and the locking member 152, The second connecting member 103 is configured not to be detached from the first connecting member 102. Further, the connection between the first connecting member 102 and the second connecting member 103 using the locking portion 171 can be easily released simply by pressing the cleaning portion while the cleaning device 100A is lifted from the floor surface. Has been.
  • the first connecting member 102 and the second connecting member 103 are kept horizontal along the flat surface X1, and their axes coincide.
  • the first connecting member 102 is kept horizontal, while the second connecting member 103 is inclined by the reaction force from the inclined surface X2, and the axis of the second connecting member 103 is The first connecting member 102 intersects with an axis with respect to the axis.
  • a gap G is generated between the first connecting member 102 and the second connecting member 103, and the locking portion 171 is detached from the groove 121.
  • the locking portion 171 that is disengaged from the groove portion 121 also rotates again to the groove portion 121 again by the reaction force from the inclined surface X2 until it reaches the inclined surface X2 side (left side in FIG. 14A). Although engaged, an abnormal noise is generated at this time. Such engagement and disengagement are repeatedly generated in the plurality of locking portions 171, so that continuous noise is generated in the connecting portion 101, and the cleaning operation is disturbed at the same time. 171 is damaged and the life of the coupler is shortened.
  • An object of the present invention is to provide a coupler that can more reliably engage a driving member and a driven member during rotational driving, and a cleaning device including the same.
  • a connector according to an aspect of the present invention is a connector for a cleaning device for connecting a main body including a driving unit to a driven member, and is attached to the main body and rotated by a rotational driving force from the main body.
  • a first connecting member, and a second connecting member attached to the driven member and connected to the first connecting member, wherein the first connecting member is provided with a first protrusion,
  • the second connecting member is provided with the second projecting portion, and the second connecting member contacts the second projecting portion when the first projecting portion contacts the second projecting portion in the rotation direction of the first connecting member.
  • the first protrusion is provided with a first claw portion
  • the second protrusion is provided with a second claw portion that is engaged with the first claw portion.
  • the claw portion has a first engagement surface that comes into contact with the second claw portion, and the first engagement surface is the first engagement surface.
  • the second claw portion has a second engagement surface that abuts against the first engagement surface of the first claw portion, and is inclined toward the downstream side in the rotation direction toward the tip of the protruding portion.
  • the second engagement surface is inclined toward the upstream side in the rotational direction as it goes toward the tip of the second protrusion.
  • the inclination angle of the first engagement surface with respect to the horizontal direction is relative to the first engagement surface with reference to a state in which the rotation axis of the first connection member coincides with the vertical direction. It is larger than the friction angle of the second claw portion.
  • an inclination angle of the first engagement surface with respect to the horizontal direction is smaller than 45 degrees with reference to a state in which the rotation axis of the first coupling member coincides with the vertical direction.
  • the first claw portion has a first inclined surface located on the distal end side with respect to the first engagement surface, and the first inclined surface is disposed on the distal end side.
  • the second claw portion has a second inclined surface that is located on the tip side of the second engagement surface, and the second inclined surface is on the tip side. It inclines toward the downstream side in the said rotation direction as it goes to.
  • the first claw portion may be provided on the downstream side of the first projecting portion with respect to the rotation direction of the first connecting member, and the second claw portion may be the first claw portion. 2 is provided on the upstream side of the protruding portion. Further, in still another aspect of any one of the couplers, the first claw portion is provided on both sides of the first protruding portion, and the second claw portion is provided on both sides of the second protruding portion. .
  • the first projecting portion has a first side surface, and the first claw portion is located on the radially outer side of the first connecting member with respect to the first side surface.
  • the second projecting portion has a second side surface, the second claw portion is located on the radially outer side of the second connecting member with respect to the second side surface, and the first connecting member rotates, When one side surface comes into contact with the second side surface, a rotational driving force is transmitted from the first connecting member to the second connecting member.
  • the first connecting member is provided with a locked portion
  • the second connecting member is provided with a locking portion
  • the locking portion is the locked member.
  • each of the first protrusions includes a first connector located on the radially inner side of the first connector, and the first connector than the first connector.
  • claw part is provided in the said head in the further another side surface of either of the said coupling tools.
  • the first coupling member and the second coupling member have the same shape.
  • the cleaning device of the present invention includes a main body including a driving unit, a driven member that is rotationally driven by a rotational driving force from the main body, and the main body and the driven member that are connected to each other for rotational driving from the main body.
  • a cleaning tool Any one of the above-mentioned connecting tools for transmitting force to the driven member, and the driven member is a cleaning tool.
  • the first projecting portion abuts on the second projecting portion in the rotation direction of the first coupling member, so that the second coupling member rotates integrally with the first coupling member.
  • the portion and the second projecting portion function as a rotational drive force transmission portion.
  • claw part engaged with this are each provided in the 1st protrusion part and 2nd protrusion part which are the transmission parts of a driving force, the rotational driving force from a main body is received. By utilizing this, the engagement between the first claw portion and the second claw portion can be strengthened.
  • first engagement surface of the first claw portion is inclined toward the downstream side in the rotation direction toward the tip of the first protrusion, and the second claw portion of the second claw portion that is in contact with the first engagement surface. Since the engagement surface is inclined toward the upstream side in the rotation direction as it goes toward the tip of the second protrusion, when the first engagement member is rotated, the parallel component force of the rotational driving force with respect to the second engagement surface is The direction of releasing the engagement between the first claw portion and the second claw portion works in the opposite direction. Therefore, the engagement between the first claw portion and the second claw portion can be strengthened using the rotational driving force transmitted from the main body.
  • the first claw is a slight force that exceeds the frictional force between the first claw portion and the second claw portion.
  • the engagement between the part and the second claw part can be easily released.
  • the first connecting member is purposely moved in the direction opposite to the rotational direction by simply lifting the first connecting member from the second connecting member attached to the driven member. Even if it does not rotate and the 1st nail
  • the inclination angle of the first engagement surface with respect to the horizontal direction is smaller than 45 degrees, the parallel component of the rotational driving force with respect to the second engagement surface during the rotation of the first connecting member becomes relatively large, and the rotational drive is performed.
  • the engagement between the first claw portion and the second claw portion using the force can be further strengthened.
  • the first engagement surface comes into contact with the second engagement surface during the rotation of the first connecting member
  • the first engagement surface and the first engagement surface are parallelized by the parallel component force parallel to the second engagement surface. Since the contact with the second engagement surface is maintained, the engagement between the first protrusion and the second protrusion can be strengthened using the rotational driving force.
  • the first claw portion and the second claw portion are positioned radially outside the first and second side surfaces of the first and second projecting portions, respectively, a large torque can be applied to the second claw portion.
  • the engagement between the first claw portion and the second claw portion during driving can be further strengthened.
  • the first connecting member and the second connecting member are connected and the first engaging surface and the second engaging surface are in contact with each other. Since the locking between the locking part and the locked part is maintained, the locking part is prevented from coming off the locked part by maintaining the engagement between the first claw part and the second claw part. be able to.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 2.
  • the expansion perspective view of the 2nd projection part which the 2nd connecting member shown in Drawing 2 has.
  • FIG. XX The longitudinal cross-sectional view of the coupling tool shown in FIG. XX sectional drawing of FIG.
  • (A) is principal part sectional drawing of the cleaning apparatus provided with the conventional connector
  • (b) is an expanded sectional view of the area
  • A) is principal part sectional drawing which shows the state which the cleaning apparatus shown in FIG. 13 got on the inclined surface
  • (b) is an expanded sectional view of the area
  • a cleaning apparatus A shown in FIG. 1 includes a main body B, a cleaning unit (driven member) C such as a brush or a pad, and a connector 1 for connecting the main body B and the cleaning unit C.
  • the main body B is provided with a drive unit and an operation unit (not shown).
  • the cleaning unit C is rotated with the rotation axis C1.
  • the floor surface and the like can be cleaned by rotating in the rotation direction R (or the opposite direction) around the center.
  • the connector 1 includes a first connecting member 2 attached to the main body B and a second connecting member 3 attached to the cleaning unit C.
  • the first connecting member 2 and the second connecting member 3 will be described later. It is detachably connected without requiring complicated operations and tools.
  • the first connecting member 2 includes a first base portion 4 and a bulging portion 5.
  • the first base portion 4 has a ring shape having a circular through-hole 41 in the center, and a concentric bulge concentric with the through-hole 41 on its connecting surface 42 (surface facing the second connecting member 3).
  • a part support part 43 is provided.
  • the bulging portion 5 is supported by the bulging portion support portion 43 of the first base portion 4, and includes a main body portion 51 and a locking member 52.
  • the main body 51 is configured by integrally forming a substantially cylindrical base end 51a attached to the bulge support 43 and a truncated cone-shaped tip 51b whose outer diameter gradually decreases toward the tip.
  • a through hole 53 is provided in the center of the main body 51.
  • the locking member 52 is an annular member, and is fitted on the base end portion 51 a of the bulging portion 5, whereby an annular shape is formed between the locking member 52 and the connecting surface 42 of the first base portion 4.
  • a groove 21 (FIG. 3) is defined.
  • the connecting surface 42 of the first base part 4 is further provided with a plurality of first projecting parts 6 and a frame-like part 44 standing from the outer peripheral edge of the first base part 4.
  • the plurality of first protrusions 6 are arranged at predetermined intervals in the circumferential direction D2 (rotation direction R) of the first base part 4 so as to surround the bulging part support part 43, and the rotation axis C1 of the first connecting member 2 It extends radially from the center.
  • Each first projecting portion 6 includes a pair of claw portions 6A projecting on both sides in the circumferential direction D2.
  • Each first projecting portion 6 gradually decreases in height in the axial direction D1 toward the radially outer side of the first base portion 4 so as to have a vertex 6B on the radially inner side of the first base portion 4. And it is comprised so that it may reduce gradually as it goes to the circumferential direction D2 both sides.
  • each first projecting portion 6 is formed integrally with a first connecting portion 60 and a first connecting portion 60 that are located on the radially inner side of the first base portion 4.
  • a second connecting portion 61 located on the radially outer side of the one base portion 4.
  • the first connecting portion 60 has a substantially pentagonal vertical cross section
  • the base end portion 62 has a pair of side surfaces (first side surfaces) 62a extending along the axial direction D1, and the tip end portion 63 of each other becomes closer to the tip end.
  • the second connecting portion 61 has a mushroom-shaped longitudinal section, and includes a support portion 64 on the proximal end side and a head portion 65 on the distal end side.
  • the width W1 of the support portion 64 of the second connection portion 61 is set to be smaller than the width W2 of the base end portion 62 of the first connection portion 60, and the maximum width of the head 65 of the second connection portion 61 W3 is set to be larger than the width W2 of the base end portion 62 of the first connecting portion 60.
  • the head 65 of the second connecting portion 61 has a pair of engagement surfaces (first engagement surfaces) 65a inclined toward the outer side in the circumferential direction D2 so as to be separated from each other toward the tip, and the engagement surface A pair of inclined surfaces (first inclined surfaces) 65b, which are located closer to the tip than 65a and incline toward the tip so as to be closer to each other, and the pair of engaging surfaces 65a
  • the pair of claw portions 6A described above is defined by the pair of inclined surfaces 65b.
  • the inclined surface 65b is provided continuously with the inclined surface 63a of the first connecting portion 60, and the inclined surfaces 63a and 65b constitute a guided surface.
  • the second connecting member 3 includes a substantially cylindrical fitting portion 7 and a ring-shaped second base portion 8 formed integrally with the fitting portion 7 on the outer periphery of the fitting portion 7. And having.
  • a plurality of locking portions 71 and a plurality of support portions 72 are alternately formed at the tip of the fitting portion 7 along the circumferential direction of the second base portion 8 (the rotation direction R of the cleaning portion C).
  • the locking part 71 has flexibility and can be locked in the groove part 21 as the locking part described above.
  • Each locking portion 71 has a wall surface portion 73 that extends along the axial direction D ⁇ b> 1 and a protruding portion 74 that protrudes toward the center of the second connecting member 3. As shown in FIG.
  • the protrusion 74 has a taper shape in which the thickness in the axial direction D1 gradually decreases toward the center in the radial direction of the second connecting member 3, and is slightly positioned on the proximal end side. It has a lower surface 74a that is curved and an upper surface 74b that is located on the tip side and curves in a concave shape.
  • connection surface 82 of the second base part 8 (the surface facing the first connection member 2) is arranged in the circumferential direction D ⁇ b> 2 of the second base part 8 so as to surround the fitting part 7.
  • a plurality of second projecting portions 9 arranged at predetermined intervals are formed so as to project, and a frame-shaped portion 84 rising from the outer peripheral edge of the second base portion 8 is provided.
  • the plurality of second projecting portions 9 abuts on the first projecting portion 6 when the first connecting member 2 rotates, thereby enabling the second connecting member 3 to rotate. They have the same shape and arrangement.
  • each 2nd protrusion part 9 has a pair of nail
  • the height dimension in the direction D1 is configured to gradually decrease toward the radially outer side of the second base portion 8 and gradually decrease toward the both sides of the circumferential direction D2.
  • each second projecting portion 9 is formed integrally with the first connecting portion 90 and the first connecting portion 90 that are located on the radially inner side of the second base portion 8. And a second connecting portion 91 located on the radially outer side of the portion 8.
  • the first connecting portion 90 has a substantially pentagonal longitudinal cross section
  • the base end portion 92 has a pair of side surfaces (second side surfaces) 92a extending along the axial direction D1, and the distal end portions 93 of the first end portion 93 toward each other. And a pair of inclined surfaces 93a inclined in the direction approaching.
  • the second connecting portion 91 has a mushroom-shaped longitudinal section, and includes a support portion 94 on the proximal end side and a head portion 95 on the distal end side. In the circumferential direction D2, the width W4 of the support portion 94 of the second connecting portion 91 is set to be smaller than the width W5 of the base end portion 92 of the first connecting portion 90, and the maximum width of the head portion 95 of the second connecting portion 91.
  • the head portion 95 of the second connecting portion 91 has a pair of engagement surfaces (second engagement surfaces) 95a inclined toward the outer side in the circumferential direction D2 so as to be separated from each other toward the tip, and the engagement surface A pair of inclined surfaces (second inclined surfaces) 95b that are located closer to the tip than 95a and that incline toward the tip so as to approach each other, and the pair of engaging surfaces 95a
  • the pair of claw portions 9A described above is defined by the pair of inclined surfaces 95b.
  • the inclined surface 95b is provided continuously with the inclined surface 93a of the first connecting portion 90, and a guide surface is constituted by these inclined surfaces 93a and 95b.
  • the connection between the first connecting member 2 and the second connecting member 3 thus configured will be described.
  • the connecting surface 42 of the first connecting member 2 is opposed to the connecting surface 82 of the second connecting member 3 as shown in FIG.
  • the bulging part 5 of the member 2 is inserted into the fitting part 7 of the second connecting member 3.
  • the bulging portion 5 has a truncated cone shape, the user places the tip of the bulging portion 5 on the second connecting member 2 (the locking portion 71 and the support portion 72 of the second connecting member 2, the second protrusion).
  • the bulging portion 5 is naturally guided into the fitting portion 7.
  • the tip of the first protrusion 6 may come into contact with the tip of the second protrusion 9, but in this case also, the first protrusion 6 and the second projecting portion 9 are not in contact with each other on the surface, but are in contact with each other at the apexes 6B and 9B. And since the main body B and the cleaning part C to which the first connecting member 2 and the second connecting member 3 are attached are not fixed to the floor surface or the like, even if the vertices 6B and 9B encounter a tangent state, It becomes extremely unstable.
  • the first connecting member 2 slides in the direction of the arrow D3 along the guide surfaces (inclined surfaces 93a and 95b) of the second protrusion 9 by its own weight, and further slides in the direction of the arrow D4 shown in FIG.
  • the first protrusions 6 are aligned with the second protrusions 9 in the circumferential direction D2. Therefore, the problem that the 1st protrusion part 6 and the 2nd protrusion part 9 contact
  • the locking portion 71 is locked to the groove portion 21 as the locked portion, as shown in FIG. That is, in the process of inserting the bulging portion 5 into the fitting portion 7, the bulging portion 5 (more specifically, the locking member 52 of the bulging portion 5) is the projection 74 (FIG. 6), and bends the locking portion 71 radially outward while moving along the upper surface 74b.
  • the bulging portion 5 is completely inserted into the fitting portion 7, the urging portion 5 is released from being pressed against the locking portion 71, and the locking portion 71 returns to its original state.
  • the rotational driving force from the 1st connection member 2 is transmitted to the 2nd connection member 3 when the side surface 62a of the 1st protrusion part 6 presses the side surface 92a of the 2nd protrusion part 9, and the 2nd connection member 3 and the cleaning part C rotate.
  • the engagement surface 65a of the claw portion 6 and the engagement surface 95a of the claw portion 9A are not in contact with each other, and are separated by a predetermined distance in the rotation axis direction D1, and the predetermined distance is as described above.
  • the distance is set smaller than the distance between the protrusion 74 and the locking member 52.
  • FIG. 14 a description will be given of a case where the driving cleaning device A enters a place (for example, a slope) where the cleaning device A is changing from a horizontal plane to an inclined plane.
  • a force F ⁇ b> 1 acting in a direction (undrawing direction D ⁇ b> 5) for releasing the engagement between the locking portion 71 and the groove portion 21 is generated.
  • the first protrusion 6 rises relative to the second protrusion 9 by the force F1 in the pulling direction D5, and the first protrusion 6 is pressed against the engagement surface 95a of the claw 9A.
  • the first protrusion 6 is also pressed against the engagement surface 95a of the claw 9A by the rotational driving force F4 in the rotational direction R from the main body B of the cleaning device A.
  • the distance between the engagement surface 65a of the claw portion 6 and the engagement surface 95a of the claw portion 9A is smaller than the distance between the projection 74 of the locking portion 71 and the locking member 52. Therefore, even if the first protruding portion 6 rises with respect to the second protruding portion 9 and the claw portion 6A comes into contact with the claw portion 9A in this way, the locking portion 71 is disengaged from the groove portion 21. There is nothing.
  • the force F1 acting on the engagement surface 95a in this way can be decomposed into a vertical component force F2 perpendicular to the engagement surface 95a and a parallel component force F3 parallel to the engagement surface 95a, and the rotational driving force F4. Can be broken down into a vertical component force F5 perpendicular to the engagement surface 95a and a parallel component force F6 parallel to the engagement surface 95a. Then, in order to release the engagement between the claw portion 6A and the claw portion 9A while the cleaning device A is driven, a force F1 having a parallel component force F3 larger than the parallel component force F6 of the rotational drive force F4 from the main body B is used.
  • the force F1 has a parallel component force F3 that exceeds the parallel component force F6 of the rotational driving force F4 from the main body B to the extent that the cleaning device A has entered the place where the horizontal surface has changed to the inclined surface. Will not occur. Therefore, even if the cleaning device A enters the place where the horizontal plane changes to the inclined plane, and the rotation angles of the first connecting member 2 and the second connecting member 3 are shifted and the directions of both rotation axes intersect, The engagement between the claw portions 6A and 9A is maintained, whereby the state in which the locking portion 71 is locked to the groove portion 21 is maintained, and problems such as the generation of abnormal noise in the conventional coupler do not occur.
  • the rotation angle of the first connecting member 2 and the second connecting member 3 is shifted. Is eliminated, and the first protrusion 6 and the second protrusion 9 return from the state shown in FIG. 12 to the state shown in FIG. That is, during normal rotation, the first protrusion 6 and the second protrusion 9 abut each other on the side surfaces 62a and 92a, and the rotation angles of the first connecting member 2 and the second connecting member 3 are shifted.
  • the claw portions 6A and 9A are configured to engage with each other only.
  • the provision of the first protrusion 6 and the second protrusion 9 is assumed. Even if a manufacturing error occurs in the dimensions, the contact between the side surfaces 62a and 92a during normal rotation and the claw portions 6A and 9A in the case where the rotation angles of the first connecting member 2 and the second connecting member 3 are deviated. Engagement can be realized reliably.
  • the claw portion 6A of the first projecting portion 6 and the claw portion 9A of the second projecting portion 9 are not firmly engaged.
  • the force required to remove the second connecting member 3 from the second connecting member 3 is substantially the same as the force required to remove the first connecting member from the second connecting member in the conventional connector having no claw portions 6A, 9A. That is, since the rotational driving force F4 does not work in the state where the connector 1 stops rotating, in this state, the gap between the engagement surface 65a of the claw portion 6A and the engagement surface 95a of the claw portion 9A.
  • the engagement between the claws 6A and 9A can be easily released by applying a slight force in the direction of the arrow D5 having the parallel component force F3 exceeding the frictional force.
  • the user does not bother to rotate the first connecting member 2 to separate the first protruding portion 6 and the second protruding portion 9 in the circumferential direction D2.
  • the engagement between the locking portion 71 and the groove portion 21 and the engagement between the claw portions 6A and 9A can be easily released simply by pulling the first connecting member 2 away from the second connecting member 3 in the axial direction D1. And the connection between the first connecting member 2 and the second connecting member 3 can be released.
  • the inclination angle ⁇ of the engaging surface 65a of the claw portion 6A with respect to the horizontal direction is the engaging surface 65a. It is preferable to set it larger than the friction angle ⁇ of the claw portion 9A against. Thus, by setting the inclination angle ⁇ to be larger than the friction angle ⁇ , the engagement between the claw portions 6A and 9A can be released only by the own weight of the cleaning portion C.
  • claw part 6A, 9A is provided in the 1st and 2nd protrusion parts 6 and 9 which are power transmission parts, and the engaging surfaces 65a and 95a are the 1st and 2nd protrusion parts 6.
  • 9 is configured to incline outward in the circumferential direction D2 (rotation direction R) as it goes to the tip of the claw, 9, so that the claw portion 6A when the cleaning device A is driven using the rotational driving force F4 from the main body B. , 9A can be firmly engaged. And it can prevent that the latching
  • the rotational driving force F4 does not work when the cleaning device A is stopped, the engagement between the claw portions 6A and 9A is performed with a slight force that exceeds the frictional force between the claw portion 6A and the claw portion 9A.
  • the force required for releasing the connection between the first connecting member 2 and the second connecting member 3 is a force required in a conventional connecting tool that does not have the claw portions 6A and 9A. And practically the same.
  • the claw portions 6A and 9A are provided on the radially outer portions of the first and second projecting portions 6 and 9, so that they are connected to the first and second projecting portions 6 and 9. Compared with the case where it is provided in the radially inner portion, a larger torque can be applied to the claw portion 9A, and the connection between the first connecting member 2 and the second connecting member 3 during driving can be ensured.
  • the claw portions 6A are provided on both sides of the first protrusion 6 in the circumferential direction D2, and the claw portions 9A are provided on both sides of the second protrusion 9 in the circumferential direction D2. Even when rotated in the direction, the engagement between the claw portion 6A and the claw portion 9A can be realized.
  • the connecting tool 1 is not limited to such a configuration.
  • the cleaning unit C may be attached to the first connecting member 2 and the main body B may be attached to the second connecting member 3.
  • both sides of the rotation direction of the coupler 1 are limited to one direction.
  • one of the claw portions 6A and 9A can be omitted.
  • the claw portion 6A is provided on the downstream side in the rotation direction R for the first protrusion 6, and the engagement surface 65a is inclined toward the downstream side in the circumferential direction R toward the tip of the first protrusion 6.
  • a claw portion 9 ⁇ / b> A may be provided on the upstream side in the rotational direction R, and the engagement surface 95 a may be inclined toward the upstream side in the rotational direction R as it goes toward the tip of the second projecting portion 9.

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un outil d'accouplement dans lequel l'engagement entre un premier élément d'accouplement et un second élément d'accouplement pendant l'entraînement en rotation peut être rendu plus fiable. La solution décrite par la présente invention est de fournir : Un outil de couplage 1, qui couple un corps principal B d'un dispositif de nettoyage A ayant une unité d'entraînement à une partie de nettoyage C, est pourvu d'un premier élément de couplage 2 monté sur le corps principal B et mis en rotation par une force d'entraînement rotative provenant du corps principal B, et un second élément de couplage 3 monté sur la partie de nettoyage C et couplé au premier élément de couplage 2. Des premières protubérances 6 sont prévues sur le premier élément de couplage 2, et des secondes protubérances 9 sont prévues sur le second élément de couplage 3. Les premières protubérances 6 viennent en contact avec les secondes protubérances 9 dans la direction de rotation du premier élément de couplage 2, ce qui fait que le second élément de couplage 3 tourne d'un seul tenant avec le premier élément de couplage 2. Des cliquets 6A sont prévus sur les premières protubérances 6, et des cliquets 9A qui viennent en prise avec les cliquets 6A sont prévus sur les secondes protubérances 9.
PCT/JP2016/071683 2016-07-25 2016-07-25 Outil d'accouplement et dispositif de nettoyage WO2018020537A1 (fr)

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PCT/JP2016/071683 WO2018020537A1 (fr) 2016-07-25 2016-07-25 Outil d'accouplement et dispositif de nettoyage

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111255202A (zh) * 2018-12-03 2020-06-09 贺国平 多功能广度变角抹墙机

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