JP2009228622A - Ceiling fan - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling fan with good installability, which can certainly prevent the damage of ceiling fan body due to drop-off or damages of suspending parts without forgetting to attach a fall prevention wire. <P>SOLUTION: A ball-shaped ball joint 9 is fixed on an upper part of a pipe 6 to which the ceiling fan body 1 is connected, and a body suspending bracket 12 provided with a concave spherical face 13 is attached to a fixing bracket 15 fixed to a ceiling 16. When the ball joint 9 is mounted on the concave spherical face 13 of the body suspending bracket 12, a hook part 37 provided to an end portion of the fall prevention wire 36 can be hooked on a wire hook part 28 of the fall prevention wire attachment 17 fixed to the fixing bracket 15. Accordingly, safety for a drop-off of the body 1 is secured and the ceiling fan with an improved installability of the fall prevention wire 36 can be obtained. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a ceiling fan that is attached to a mounting bracket that is screwed to a ceiling surface.

  Conventionally, this type of ceiling fan is known in which a wire for preventing fall is fixed to a mounting bracket (see, for example, Patent Document 1).

  The ceiling fan will be described below with reference to FIGS. 22 and 23.

As shown in the figure, the auxiliary metal fitting 101 is set in an electrical box 107 provided on the back side of the ceiling surface 108, and the mounting metal fitting 104 is firmly fixed with a small screw 105, a bolt 106, and a nut 103, whereby screws Loosening is prevented, and the wire 102 connects the auxiliary metal fitting 101 and the mounting metal piece 104 to prevent the ceiling fan (not shown) from falling. Further, the wire 102 is hooked on the groove 201 of the mounting bracket 104, and the mounting bracket 104 is fixed at the lower part of the electrical box 107.
JP-A-6-88596

  In such a conventional ceiling fan, if the installation of the fall prevention wire is forgotten in the installation work of the main body, or if it is attached uncertainly, the safety due to the wire is not ensured, and There is also a problem that there is room for improvement in the workability of the fall prevention wire.

  The present invention solves such a conventional problem, and the workability of the fall-preventing wire is good, so that forgetting to attach or uncertain attachment does not occur, and the hanging parts of the ceiling fan are not dropped. An object of the present invention is to provide a ceiling fan in which safety against falling of the ceiling fan body is ensured even if there is breakage.

  In order to achieve the above object, the ceiling fan of the present invention has a main body provided with a plurality of fans in a freely rotatable manner, a pipe-shaped joint pipe fixed to the upper part of the main body, and an upper part of the joint pipe part. A spherical joint fixed to the body, a main body hanging bracket that detachably supports the lower surface of the joint, a fixing bracket fixed to the main body hanging bracket and attached to the ceiling, and one end fixed to the main body A fall prevention wire having a hook portion at the other end and a fall prevention wire fixture fixed to the fixing bracket, and the fall prevention wire fixture can be hooked to the catch portion of the fall prevention wire. A wire hooking portion.

  Another means is that the fall prevention wire fixture is provided with a ceiling fixing portion that can be attached to the ceiling.

  Another means is provided with an auxiliary member that can be inserted between the ceiling fixing portion of the fall prevention wire fixture and the ceiling.

  Another means is that the fall prevention wire fixture has a temporary fixing portion that can be temporarily fixed to the fixing bracket.

  Further, the other means is to provide a wire attachment portion capable of temporarily fixing the fall prevention wire at the joint portion, and by attaching the joint portion to the main body hanging metal fitting, the hook portion provided on the fall prevention wire becomes the fall prevention wire. The wire can be hooked on a wire hooking portion provided on the fixture.

  Another means is that the wire hooking portion provided on the fall prevention wire fitting is provided with a wire drop prevention portion having a large tip.

  Another means is that a wire hooking portion provided on the fall prevention wire fitting is provided outside the main body hanging metal fitting.

  Another means is that a guide portion of the fall prevention wire fixture is arranged at a position crossing the inside of the main body hanging metal fitting, and a guide groove portion that fits and slides on the guide portion is formed in the joint portion. It will be.

  As another means, the guide portion of the fall prevention wire fixture has a downward slope.

  Another means is that the guide portion of the fall prevention wire fixture and the guide groove portion of the joint portion are located outside the center of the joint portion.

  Further, the other means includes a rotation prevention protrusion on the concave spherical surface of the main body hanging bracket, the joint portion includes a rotation prevention groove portion into which the rotation prevention protrusion is fitted, and the joint portion is attached to the main body suspension fitting. A positioning portion that contacts the joint portion is formed on the fall prevention wire attachment at a position where the rotation prevention groove is fitted to the rotation prevention projection when mounted.

  As another means, the joint portion is provided with a display indicating the mounting direction on the guide groove portion.

  As a result, workability of the fall-prevention wire is good so that forgetting to install or uncertain installation does not occur, and safety against dropping of the ceiling fan body even if the hanging parts of the ceiling fan are dropped or damaged A ceiling fan that can be secured is obtained.

  According to the present invention, the main body suspended from the main body hanging bracket can be securely fixed to the ceiling by the fall prevention wire, the fall prevention wire fitting and the fixing bracket, and the ceiling fan can be suspended. It is possible to provide a ceiling fan that ensures the safety against dropping of the ceiling fan main body due to parts falling off or being damaged, and that the workability of the fall prevention wire is improved.

  In addition, since the fall prevention wire attachment includes a ceiling fixing portion that can be attached to the ceiling, the fall prevention wire attachment can be directly fixed to the ceiling, and the safety against dropping of the ceiling fan body is improved.

  In addition, when a ceiling fan is installed on the ceiling surface with a hook ceiling via an adapter, the fall prevention wire fixture is installed on the ceiling with an auxiliary member interposed between the ceiling fixing part of the fall prevention wire fixture and the ceiling. Therefore, the main body can be securely fixed to the ceiling by the fall prevention wire and the fall prevention wire fitting.

  Also, by temporarily fixing the fall prevention wire fixture and the fixture, even if the fixture is removed from the ceiling, the fixture can be easily detached from the fall prevention wire fixture. Can be prevented.

  Moreover, since the wire hooking part of the fall prevention wire fitting is directed to the opening side of the main body hanging metal fitting which is an insertion port of the joint part, the fall prevention wire can be easily attached while the main body is being installed.

  In addition, the wire hooking part of the drop-prevention wire fitting has a wire pull-out prevention part with a large tip, so that the drop-prevention wire can be hooked easily when the main body is installed, It can be prevented from coming off.

  In addition, since the wire hooking portion of the drop prevention wire fitting is provided outside the main body hanging bracket, the wire hooking portion is in front of the opening of the main body hanging bracket, so You can easily check the wearing situation from the appearance.

  In addition, the drop prevention wire fitting is provided with a guide, and the joint is provided with a slidable guide groove on the guide so that the joint is fitted to the drop prevention wire fitting when the main body is attached. Since it can be made to slide in a horizontal direction, workability can be improved.

  In addition, by providing an inclination in the guide portion of the fall-prevention wire mounting tool, it can be mounted by sliding obliquely downward from a location slightly away from the ceiling fan mounting position, and installation work can be facilitated. .

  In addition, since the guide part of the fall prevention wire fixture and the guide groove part of the joint part are located outside the center of the joint part, the joint part can be attached only from the normal direction. The hook portion of the fall prevention wire can be securely hooked to the wire hook portion of the fall prevention wire fixture.

  In addition, when the body is mounted, the positioning part provided in the guide part stops in the direction in which the anti-rotation groove part of the joint part and the anti-rotation protrusion part of the main body suspension fitting fit, and the joint part and the concave spherical part are securely Can be fitted and installed, and workability at the time of attachment can be improved.

  Further, since the joint portion is provided with an indication indicating the mounting direction on the guide groove portion by printing or molding, an error in the mounting direction can be prevented and the joint portion and the main body hanging tool can be reliably fitted.

  The ceiling fan according to claim 1 of the present invention includes a main body provided with a plurality of fans in a rotatable manner, a pipe-shaped joint pipe fixed to the upper part of the main body, and an upper part of the joint pipe part. A spherical joint part, a main body suspension metal fitting that removably supports the lower surface of the joint part, a fixing metal part fixed to the main body suspension metal part and attached to the ceiling, and one end fixed to the main body and the other end A drop prevention wire having a hook portion and a drop prevention wire fixture fixed to the fixing bracket, and the drop prevention wire fixture has a wire hook on which the catch portion of the fall prevention wire can be hooked. A drop prevention wire that comes out of the opening at the upper end of the joint when installing the main unit is hung on the wire hook of the drop prevention wire fixture that is fixed to a fixture attached to the ceiling. By being worn The main body is fixed to the ceiling with the fall prevention wire, the fall prevention wire fitting and the fixing bracket, and the ceiling fan main body can be safely suspended even if the hanging parts of the ceiling fan are dropped or damaged. Attach the fall prevention wire to the wire hooking part of the fall prevention wire fixture that is fixed to the fixing bracket attached to the ceiling. Since it is only the operation | work which hangs on, it has the effect | action that the attachment operation | work of a fall prevention wire can be performed easily.

  In addition, the fall prevention wire fixture is provided with a ceiling fixing part that can be attached to the ceiling, and the fall prevention wire fixture is directly fixed to the ceiling surface, so that the main body is attached with the fall prevention wire and the fall prevention wire. The tool is securely fixed to the ceiling, so that the main body can be prevented from dropping due to the dropping of the fixing bracket.

  Also, it is equipped with an auxiliary member that can be inserted between the ceiling fixing part of the fall prevention wire fixture and the ceiling, and when the fixing bracket is installed via an adapter on the ceiling surface with the hook ceiling, Since the fall prevention wire fixture can be directly fixed to the ceiling by sandwiching an auxiliary member in the gap between the ceiling fixing portion of the fall prevention wire fixture and the ceiling, the main body is provided with the fall prevention wire and the fall prevention wire fixture, Since it is fixed to the ceiling, it has an effect of reliably preventing the main body from falling against the dropping of the fixing bracket.

  The fall prevention wire fixture has a temporary fixing portion that can be temporarily fixed to the fixture.When the fixture is removed from the ceiling, the main body is made up of the fall prevention wire and the fall prevention wire fixture. Although it does not fall because it is fixed to the ceiling, the fixing bracket is detached from the fall prevention wire fixture when it is dropped by the temporary fixing part of the fall prevention wire fixture, so the impact of the fixing bracket from falling off the ceiling is reduced. The body can be securely fixed to the ceiling, and the drop-prevention wire mounting tool and the fixing bracket are sandwiched from the time of shipment to form an integral part. Since the tool can be attached to the ceiling, it has the effect that it can be installed reliably and easily without forgetting to attach.

  In addition, a wire attachment part that can temporarily fix the fall prevention wire to the joint part is provided, and the hook part provided on the fall prevention wire is attached to the hanging metal fitting by attaching the joint part to the main body hanging bracket. The drop-prevention wire fitting can be hooked to the opening, and the drop-prevention wire fitting is attached to the joint suspension fitting opening. It can be temporarily fixed to the head, and has an effect that the fall prevention wire can be easily attached while the main body is installed.

  In addition, the wire hooking part provided on the fall prevention wire fitting is equipped with a wire pulling prevention part with a large tip, and the wire hooking part with the wire pulling prevention part is easily dropped when the main body is installed. The prevention wire can be hooked, and the fall prevention wire does not easily come off after being hooked.

  In addition, the wire hooking portion provided on the fall prevention wire fitting is provided on the outside of the main body hanging bracket, and the wire hooking portion of the drop prevention wire fitting is in front of the opening of the main body hanging fixture. Therefore, it has the effect that the presence or absence of the fall prevention wire can be easily confirmed by its appearance.

  In addition, the guide part of the fall prevention wire fixture is arranged at a position crossing the inside of the main body hanging metal fitting, and a guide groove part that fits and slides on the guide part is formed in the joint part. When mounting the body, it can be guided and slid in a predetermined direction while fitting the fall prevention wire fitting and the joint part, so it can be mounted at the shortest distance so as not to move left and right with respect to the insertion direction Has an effect.

  In addition, the guide portion of the fall prevention wire fixture is provided with a downward slope, and by providing a slope to the guide portion provided on the fall prevention wire fixture, from a place slightly away from the ceiling fan attachment position, Since the joint part can be mounted so as to rotate around the lower part of the main body, it has the effect that the installation work can be facilitated.

  Further, the guide part of the fall prevention wire fixture and the guide groove part of the joint part are located outside the center of the joint part, and the guide part of the fall prevention wire fixture and the guide groove part of the joint part are joints. Since the main body cannot be installed unless the guide part of the fall prevention wire fixture and the guide groove part of the joint part are fitted together, the main body should always be inserted in the same direction. Has the effect of being able to.

  In addition, the concave spherical surface of the main body hanging bracket is provided with a rotation prevention protrusion, the joint portion is provided with a rotation prevention groove portion into which the rotation prevention protrusion is fitted, and when the joint portion is attached to the main body suspension fitting, A positioning portion that abuts on the joint portion is formed on the fall prevention wire fitting at a position where the rotation prevention groove portion is fitted to the rotation prevention projection portion, and guides the joint portion when the body is attached. When the groove part and the guide part of the fall prevention wire fitting are fitted and slid, the joint part is prevented from turning around the concave spherical part where the joint part is attached by the positioning part provided in the guide part. It stops in the direction in which the rotation prevention protrusion of the main body hanging metal fitting is fitted, and has an effect that the joint portion and the concave spherical surface portion can be fitted and installed easily and surely.

  Further, the joint portion is provided with a display indicating the mounting direction in the guide groove portion, and has an effect that the mounting direction can be easily understood by printing indicating the mounting direction or display by integral molding.

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

(Embodiment 1)
As shown in FIGS. 1 to 17, a plurality of fans 2 are rotatably provided around the upper portion of the main body 1, and a pipe-shaped fixed shaft 3 protruding upward is provided at an upper central portion of the main body. A through hole 4 is provided in the upper side surface of the fixed shaft 3, and the through hole 4 is fixed to the through hole 7 on the lower side surface of the pipe 6, which is a joint pipe portion, by a bolt nut 5 outside the fixed shaft 3. The A ball joint 9 which is a spherical joint portion is fixed by a hanger pin 10 through a through hole 8 provided on the upper side surface of the pipe 6. The ball joint 9 passes the pipe 6 from below through a through hole 11 provided in the vertical direction passing through the center, and then fixes the hanger pin 10 through the through hole 8 on the upper side surface of the pipe 6. That is, the main body 1 is fixed substantially integrally with the ball joint 9 via the pipe 6.

  A disk-shaped fixing bracket 15 is fixed to the ceiling 16 with wood screws, and the downwardly projecting main body hanging bracket 12 is fixed to the fixing bracket 15 with screws. The main body hanging bracket 12 is provided with a concave spherical surface 13 having a through-hole on the bottom surface, and the ball joint 9 provided on the main body 1 is detachably attached to the concave spherical surface 13 of the main body hanging bracket 12. A curved portion 14 bent 90 degrees outward is provided on two rising upper portions provided on the side surface of the main body hanging bracket 12, and is fastened to the disk-shaped fixing bracket 15 with a screw via the curved portion 14. As described above, when the main body hanging bracket 12 and the fixing bracket 15 are fastened with screws, a mounting space (not shown) in which the ball joint 9 is mounted is surrounded between the main body hanging bracket 12 and the fixing bracket 15. Is formed.

  In addition to the main body hanging bracket 12, a fall prevention wire attachment 17 is temporarily fixed to the fixing bracket 15 by a temporary fixing portion 18 in the upper part of the mounting space. The fall-prevention wire fitting 17 is obtained by punching a sheet metal and further bending it. The first vertical plate portion 19, the first vertical plate portion 19, and the first horizontal plate portion are sequentially formed from the insertion side of the ball joint 9. 20, a second vertical plate portion 21, a second horizontal plate portion 22, and a third vertical plate portion 23. The temporary fixing portion 18 includes an inverted L-shaped projection 24 provided downward on the inside on the upper portions of the first vertical plate portion 19 and the third vertical plate portion 23, and a hemispherical shape provided on the lower inner side of the projection portion 24. The projection piece 25 is formed.

  The fixing metal 15 is provided with rectangular holes 26 at two locations around it. A hemisphere in which the fixing metal 15 is provided on the upper sides of the first vertical plate portion 19 and the third vertical plate portion 23 with an L-shaped protrusion 24 provided downward on the inner side, and on the inner side of the lower portion of the L-shaped protrusion 24. The fall-prevention wire fitting 17 is temporarily fixed by sandwiching the L-shaped projections 24 into the rectangular holes 26 of the fixing bracket 15 by sandwiching the projections 25 with the shaped projection pieces 25.

  In addition, a third horizontal plate portion 27 is provided from the first vertical plate portion 19 to the first horizontal plate portion 19 at a right angle and in a horizontal direction, and downward from the other end of the third horizontal plate portion 27 to the inside. A U-shaped wire hooking portion 28 is provided in parallel to the first horizontal plate portion 19. At the tip of the wire hooking portion 28, a wire drop prevention portion 29 is provided, and the wire drop prevention portion 29 is provided with a return portion 30 having a large tip. The wire hooking portion 28 is provided so as to be exposed to the outside of the main body hanging bracket 12.

  The fall prevention wire fixture 17 has a ceiling fixing portion 31 that can be attached to the ceiling 16, and the fifth horizontal plate portion 32 that is the ceiling fixing portion 31 includes the first vertical plate portion 19 and the third vertical plate portion 31. Each of the plate portions 23 is provided horizontally from the upper end to the outside. Each fourth horizontal plate portion 32 is provided with a through hole 33. A space between the ceiling fixing portion 31 of the fall prevention wire fixture 17 and the ceiling is fixed to the ceiling 16 with a wood screw 35 via a spacer 34 as an attachable auxiliary member. That is, the fall prevention wire fitting 17 includes a wire hooking portion 28 and is fixed to the ceiling via the spacer 34 while being temporarily fixed to the fixing bracket 15.

  Moreover, the fall prevention wire 36 having one end fixed to the main body includes a hook portion 37 at the other end through the inside of the pipe 6 that is a joint pipe portion, and the hook portion 37 forms a ring with the wire. The ball joint 9 is provided with a wire attachment portion 38 to which the fall prevention wire 36 can be temporarily fixed. The wire attachment portion 38 is provided in the vertical through hole 11 passing through the center of the ball joint 9 and forms a slit 39. A hooking portion 37 of the fall prevention wire 36 is attached to the slit 39. In addition, a guide groove 40 is provided on the upper portion of the ball joint 9. When the ball joint 9 passes through the mounting space and is mounted on the concave spherical surface 13 of the main body hanging bracket 12, the guide groove portion 40 has a first horizontal plate portion 19 that is a guide portion of the fall prevention wire attachment 17. A sliding groove. Then, the ball joint 9 is mounted on the concave spherical surface 13 of the main body hanging metal fitting 12 while the guide groove portion 40 of the ball joint 9 is fitted to the first horizontal plate portion 19 which is the guide portion of the fall prevention wire fixture 17. At the same time, the hooking portion 37 of the fall prevention wire 36 temporarily fixed to the wire attachment portion 38 of the ball joint 9 is attached to the wire hooking portion 28 of the fall prevention wire attachment 17. That is, the ball joint 9 passes through the mounting space and is mounted on the main body hanging bracket 12, and at the same time, the main body 1 is fixed to the ceiling 16 via the fall prevention wire 36 and the fall prevention wire attachment 17. .

  With the above-described configuration, the fall prevention wire fitting 17 is provided with the wire hooking portion 28 to which the hook portion 37 of the fall prevention wire 36 can be hooked, so that it comes out from the opening at the upper end of the ball joint 9 when the main body 1 is installed. When the fall prevention wire 36 is hooked on the wire hooking portion 28 of the fall prevention wire fixture 17 fixed to the fixture 15 attached to the ceiling 16, the main body 1 is connected to the fall prevention wire 36 and the fall prevention wire. It will be fixed to the ceiling 16 by the fixture 17 and the fixing bracket 15, so that the ceiling fan body can be safely suspended even if the suspended parts of the ceiling fan are dropped or damaged.

  Further, since the fall prevention wire attachment 17 includes the ceiling fixing portion 31 that can be attached to the ceiling 16, the fall prevention wire attachment 17 is directly fixed to the ceiling surface, and the main body 1 has the fall prevention wire 36 and the fall prevention. It can be fixed to the ceiling 16 by the wire fitting 17 and the main body 1 can be safely suspended and kept on the ceiling surface even when the fixing bracket 15 is dropped from the ceiling surface.

  Further, by providing a spacer 34 as an auxiliary member that can be attached between the ceiling fixing portion 31 and the ceiling 16 of the fall prevention wire attachment 17, the fixing bracket 15 is attached to the ceiling surface where the hooking ceiling 41 is located via the adapter 42. Since the spacer 34 is sandwiched between the ceiling fixing portion 31 and the ceiling 16 of the fall prevention wire fixture 17 and the fall prevention wire fixture 17 can be directly fixed to the ceiling 16 even when the The main body 1 is fixed to the ceiling 16 by the fall prevention wire 36 and the fall prevention wire attachment 17, and even when the fixing bracket 15 is dropped from the ceiling surface, the main body 1 can be kept safe by hanging from the ceiling surface. it can.

  Further, the fall prevention wire fitting 17 is temporarily fixed to the fixing bracket 15 by the temporary fixing portion 18, so that when the fixing bracket 15 falls off the ceiling 16 due to loosening of the fixed screw or the like, the fall prevention wire fitting 17 17 is removed from the fixture 15 and remains, and the main body 1 is fixed and held to the ceiling 16 by the fall prevention wire 36 and the fall prevention wire fitting 17. In addition, since the fall prevention wire attachment 17 and the fixing bracket 15 are sandwiched from the time of shipment as an integral part, the fall prevention wire attachment 17 can be attached to the ceiling 16 at the same time as the fixation fitting 15 is attached to the ceiling 16. It can be easily attached.

  Further, by providing a wire attachment portion 38 that can temporarily fix the fall prevention wire 36 to the ball joint 9, temporarily fixing the fall prevention wire 36 to the wire attachment portion 38, and attaching the ball joint 9 to the main body suspension fitting 12, The hook 37 of the fall prevention wire 36 is hooked on the wire hook 28 of the fall prevention wire fixture 17, so that the fall prevention wire 36 can be temporarily fixed to the ball joint 9. Since the hooking portion 28 faces the opening side of the main body hanging bracket 12 that is the insertion port of the ball joint 9, it is possible to easily attach the fall prevention wire 36 while installing the main body 1.

  Further, the wire hooking portion 28 of the fall prevention wire fitting 17 is provided with a wire pulling prevention portion 29 having a large tip, so that the wire hooking portion 28 having the wire pulling prevention portion 29 can be easily installed when the main body 1 is installed. The fall prevention wire 36 can be hooked on the head, and the fall prevention wire 36 is not easily detached after hooking.

  Further, by providing the wire hooking portion 28 of the fall prevention wire fitting 17 on the outside of the main body hanging bracket 12, the wire hooking portion 28 of the drop prevention wire fitting 17 is more than the mounting space of the main body hanging fixture 12. Therefore, even when the state suspended from the ceiling surface is viewed from below, the state of the fall prevention wire 36 can be easily confirmed from the appearance.

  Further, when the ball joint 9 is formed with a guide groove portion that fits and slides on the guide portion 17a provided on the drop prevention wire attachment 17, the drop prevention wire is attached when the main body 1 is attached to the main body hanging bracket 12. The ball joint 9 is mounted by guiding it through the shortest path by sliding it in the horizontal direction while fitting the fixture 17 and the ball joint 9 so as not to move left and right in the insertion direction. be able to.

(Embodiment 2)
In the present embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIGS. 18 to 21, the fall prevention wire attachment 17 </ b> A is obtained by punching a sheet metal and further bending it. The first vertical plate portion 19 </ b> A is inclined downward from the insertion side of the ball joint 9 in order. The first inclined plate portion 43, the second vertical plate portion 21A, the second horizontal plate portion 22A, and the third vertical plate portion 23A are formed. Further, the guide groove portion 40A of the ball joint 9A is formed outside the center of the ball joint 9A so as to be fitted to the first inclined plate portion 43 serving as the guide portion of the fall prevention wire attachment 17A.

  Further, the main body hanging metal 12A is provided with a rotation prevention projection 44 inside the concave spherical surface 13A, and the ball joint 9A is provided with a rotation prevention groove 45 in which the rotation prevention projection 44 is fitted. When the ball joint 9A is mounted on the main body hanging bracket 12A, the first inclined plate portion 43, which is the guide portion of the fall prevention wire fitting 17A, is slid with the guide groove portion 40A of the ball joint 9A to suspend the main body. At a position where the ball joint 9A comes into contact with and stops at the second vertical plate portion 21A which is a positioning portion of the metal fitting 12A, the rotation prevention groove 45 of the ball joint 9A is fitted into the rotation prevention protrusion 44 of the main body hanging metal fitting 12A. Is. In addition, a display 46 for displaying the mounting direction in the guide groove 40A is printed or integrally formed on the upper portion of the ball joint 9A.

  With the above configuration, by providing an inclination to the guide portion provided on the fall prevention wire attachment 17A, it is possible to easily perform installation from a location away from directly below the ceiling fan attachment position.

  Further, since the guide portion of the fall prevention wire fixture 17A and the guide groove portion 40A of the ball joint 9A are positioned outside the center of the ball joint 9A, the guide portion of the fall prevention wire fixture 17A and the guide of the ball joint 9A Since the groove portion 40A is positioned outside the center of the ball joint 9A, the main body 1 cannot be installed unless the guide portion of the fall prevention wire fixture 17A and the guide groove portion 40A of the ball joint 9A are fitted. It is possible to ensure the safety by encouraging the person to use a proper mounting method.

  Further, the concave spherical surface 13A of the main body hanging bracket 12A is provided with a rotation prevention projection 44, the ball joint 9A is provided with a rotation prevention groove 45 to which the rotation prevention projection 44 is fitted, and the ball joint 9A is attached to the main body suspension fitting 12A. By providing the fall prevention wire attachment 17A having a positioning portion for stopping the ball joint 9A at a position where the rotation prevention groove 45 of the ball joint 9A is fitted to the rotation prevention protrusion 44 of the main body hanging metal fitting 12A when being mounted. When the main body 1 is attached, when the guide groove portion of the ball joint 9A and the guide portion of the fall prevention wire fixture 17A are fitted and slid, the ball joint 9A is attached by the positioning portion provided in the guide portion. In the direction in which the anti-rotation groove 45 of the ball joint 9A and the anti-rotation protrusion 44 of the main body hanging metal fitting 12A are fitted. Mari, easily and reliably fitted a ball joint 9A and concave spherical surface 13A can be installed.

  Further, the ball joint 9A can easily understand the mounting direction by displaying the indication 46 indicating the mounting direction on the guide groove portion 40A by printing or integral molding, thereby preventing an unreasonable mounting operation from the reverse direction. It can be installed so that safety can be secured in the installation work.

  Safety wire can be easily hooked using a fall-prevention wire fitting attached to the ceiling. By attaching the safety wire to the equipment body, it can also be used to improve the safety of equipment that can be suspended from a heavy ceiling. it can.

The exploded view which shows the assembly member of the ceiling fan of Embodiment 1 of this invention The exploded perspective view which shows the state which engages a pipe with the fixed axis | shaft of the ceiling fan Exploded perspective view showing the ceiling mounting member of the ceiling fan Side view showing the assembled state of the ceiling fan fixing bracket and fall prevention wire fitting Side view of the fall prevention wire fixture of the ceiling fan The principal part enlarged view which shows the temporary fixing part of the fall prevention wire fixture of the ceiling fan Enlarged view of the main part showing the holes in the fixing fan of the ceiling fan Enlarged view of the main part showing the mounting state of the ceiling fan fixing bracket and fall prevention wire fitting The principal part enlarged view which shows the wire hooking part of the fall prevention wire fixture of the ceiling fan External side view showing a state where the ceiling mounting member of the ceiling fan is assembled Sectional drawing which shows the state which attached the fall prevention wire fixture of the ceiling fan to the ceiling Cross-sectional view of the main part showing a state in which the fall prevention wire fixture of the ceiling fan is fixed to the ceiling External perspective view showing the attachment state of the fall prevention wire of the joint part of the ceiling fan The principal part enlarged view which shows the wire attachment part of the joint part of the ceiling fan The perspective view which shows the attachment state of the joint part to the ceiling mounting bracket of the ceiling fan The exploded perspective view which shows the ceiling mounting member of the ceiling surface with the hook ceiling of the ceiling fan Side sectional view showing the assembled state when using the adapter of the ceiling fan Side view of fall prevention wire fixture of Embodiment 2 of the present invention The principal part top view which shows the state which attached the main body to the ceiling mounting bracket of the ceiling fan The principal part top view which shows the guide groove part of the joint part of the ceiling fan Side view of the main part showing a state in which the guide groove portion and the guide portion of the ceiling fan do not fit together Sectional drawing which shows the state which assembled the ceiling mounting member of the conventional ceiling fan Perspective view of the main part of the mounting bracket of the ceiling fan

Explanation of symbols

1 Body 2 Fan 6 Pipe (joint tube)
6A pipe (joint tube)
9 Ball joint (joint part)
9A Ball joint (joint part)
DESCRIPTION OF SYMBOLS 12 Main body hanging metal fitting 12A Main body hanging metal fitting 13 Concave spherical surface 13A Concave spherical surface 15 Fixed metal fitting 15A Fixed metal fitting 16 Ceiling 17 Fall prevention wire attachment 17A Fall prevention wire attachment 17a Guide part 18 Temporary fixation part 28 Wire hook part 29 Wire Detachment prevention part 31 Ceiling fixing part 34 Spacer (auxiliary member)
36 Fall prevention wire 37 Hook part 38 Wire attachment part 40 Guide groove part 40A Guide groove part 44 Anti-rotation projection part 45 Anti-rotation groove part 46 Display

Claims (12)

A main body having a plurality of fans rotatably, a pipe-like joint pipe fixed to the upper part of the main body, a spherical joint part fixed to the upper part of the joint pipe part, and a lower surface of the joint part A main body hanging bracket that is detachably supported, a fixing bracket that is fixed to the main body hanging bracket and attached to the ceiling, a fall prevention wire having one end fixed to the main body and a hook portion on the other end, and And a fall-prevention wire fixture fixed to the fixing bracket, the fall-prevention wire fixture having a wire hooking portion on which the hook portion of the fall prevention wire can be hooked. The ceiling fan according to claim 1, wherein the fall prevention wire attachment includes a ceiling fixing portion that can be attached to the ceiling. The ceiling fan of Claim 2 provided with the auxiliary member which can be inserted between the ceiling fixing | fixed part of a fall prevention wire fixture, and a ceiling. The ceiling fan according to any one of claims 1 to 3, wherein the fall prevention wire attachment has a temporary fixing portion that can be temporarily fixed to the fixing bracket. By providing a wire attachment part that can temporarily fix the fall prevention wire to the joint part and attaching the joint part to the main body hanging bracket, the hook part provided on the fall prevention wire is attached to the wire attachment part provided on the fall prevention wire attachment tool. The ceiling fan according to any one of claims 1 to 4, wherein the ceiling fan can be hooked on the landing portion. The ceiling fan according to any one of claims 1 to 5, wherein the wire hooking portion provided in the fall prevention wire fixture includes a wire drop prevention portion having a large tip. The ceiling fan in any one of Claims 1-6 which provided the wire hooking part provided in the fall prevention wire fixture in the outer side of the main body hanging metal fitting. The guide part of a fall prevention wire fixture is arrange | positioned in the position which traverses the inside of a main body suspension metal fitting, The guide groove part which fits and slides in this guide part is formed in a joint part. A ceiling fan according to any one of the above. The ceiling fan according to claim 8, wherein the guide portion of the fall prevention wire attachment has a downward slope. The ceiling fan according to any one of claims 8 to 9, wherein the guide portion of the fall prevention wire fixture and the guide groove portion of the joint portion are located outside the center of the joint portion. The concave spherical surface of the main body hanging bracket is provided with a rotation prevention projection, the joint portion is provided with a rotation prevention groove for fitting the rotation prevention projection, and when the joint is attached to the main body suspension fitting, the rotation The ceiling fan according to any one of claims 8 to 10, wherein a positioning portion that abuts on the joint portion is formed on the fall prevention wire attachment at a position where the rotation prevention groove portion is fitted to the prevention projection portion. The ceiling fan according to any one of claims 8 to 11, wherein the joint portion is provided with a display indicating a mounting direction on the guide groove portion.

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