JP4852916B2 - Ceiling fan - Google Patents

Description

  The present invention relates to a ceiling fan that is suspended from a ceiling surface via a fixed shaft and is blown by a fan provided in a main body.

  Conventionally, a ceiling fan using a pipe-like support member is known as an example of this type of ceiling fan (see, for example, Patent Document 1).

  Hereinafter, the ceiling fan will be described with reference to FIG.

  As shown in the figure, the simple mounting bracket 102 inside the canopy 101 is engaged and fixed to the hanger 104 of the pipe support member 103, and the ceiling 105 attached to the ceiling is arranged inside the simple mounting bracket 102. .

  Moreover, the installation apparatus of a ceiling fan is known as an example of a ceiling fan (for example, refer patent document 2).

  The ceiling fan mounting device will be described below with reference to FIG.

As shown in the figure, an auxiliary metal fitting 202 is inserted into the electrical box 201, and a bolt 203 provided integrally with the auxiliary metal fitting 202 is protruded downward. The mounting metal piece 204 is attached to the bolt 203 with a nut 205 and two small screws 206. The wire 207 is fixed to the electrical box 201, and one end of the wire 207 is fixed to the auxiliary metal fitting 202. The other end of the wire 207 is fixed to the end of the auxiliary metal fitting 202 with screws.
JP-A-11-210678 ([0011] to [0014], FIGS. 1 and 2) JP-A-6-88596 ([0013] [0014], FIG. 1)

  In such a conventional ceiling fan, in order to attach the hanger 104 to the simple mounting bracket 102, the hanger 104 needs to be lifted and moved horizontally, and a space that does not contact the ceiling 105 must be provided. There is a problem that it is difficult to reduce the thickness of the structure, and it is required to reduce the thickness, and there are insufficient safety measures for preventing fall over time due to wear deformation of the hanger 104 or the simple mounting bracket 102 Therefore, there is a demand for safety measures to prevent falling.

  In addition, in the ceiling fan mounting device, there is a problem that the wire 207 may be forgotten to be attached or may be attached uncertainly, and it is required that the wire 207 is forgotten to be attached or that the wire 207 is not attached uncertainly. Yes.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a ceiling fan that can reduce the thickness of the mounting structure and prevent falling, and can not forget to attach a wire. It is said.

In order to achieve the above object, the ceiling fan of the present invention includes a fixing bracket that surrounds the outer periphery of the hanging ceiling projecting on the ceiling surface, and a pair of L-shaped support portions that are suspended in parallel from the fixing bracket. A main body provided to rotate and blow a plurality of fans, a pipe-like fixed shaft protruding from the upper part of the main body, a through hole provided on the upper side surface of the fixed shaft, and the through hole A pair of suspension brackets fixed to the outside of the fixed shaft with bolts and nuts, and a sealing connector provided at the tip of a power line extending from the main body through the fixed shaft, the suspension bracket The L-shaped engaging portion provided on the upper portion of the fixing bracket is engaged by horizontally moving in a space where the pair of L-shaped support portions of the fixing metal face each other, and the sealing connector is connected to the hooking ceiling, The L-shaped support part of the fixing bracket is suspended. Formed by a support plate and a horizontal support plate, a projecting piece provided on an end of the horizontal support plate, provided corresponding to said projecting piece to diagonal positions of the suspension bracket, the L-shaped support of the fixing bracket comprising an engaging hole provided in the vertical support plate parts and an engagement convex portion provided on the vertical engaging plate of the L-shaped engagement portion of the suspension brackets in correspondence with the engaging holes, the The engagement hole portion and the engagement convex portion can be engaged.

By this means, a ceiling fan can be obtained in which the mounting structure can be thinned, safety can be ensured, and safety can be improved.

  Another means is that the engaging convex portion provided on the vertical engaging plate is formed by a screw hole provided with a burring projection, and the screw connection is possible from the engaging hole side provided on the vertical support plate. is there.

  By this means, a ceiling fan can be obtained which can be vertically and vertically positioned and can be easily attached by burring.

  Further, another means includes a pair of suspension fittings fixed at a predetermined interval on the outer peripheral side of the fixed shaft, and a bolt for fixing the suspension fitting within a predetermined interval to which the suspension fitting is fixed. An auxiliary screw that is screwed onto the fixed shaft is provided so as to be engaged.

  By this means, a ceiling fan capable of improving safety can be obtained.

  In addition, the other means is that the predetermined interval dimension provided between the pair of hanging metal fittings is substantially the same as the width dimension of the fixed terminal of the main body fall prevention wire, and the fixed terminal is fitted into the predetermined interval. In this state, it is fixed to the fixed shaft with an auxiliary screw.

  By this means, a ceiling fan capable of reliably fixing the main body fall prevention wire is obtained.

  Another means is that an auxiliary screw is provided with a notch portion in the hanging metal fitting, and a pair of the hanging metal fittings are closely fixed to the fixed shaft except for the notch portion and screwed into the fixed shaft through the notch portion. Is provided.

  By this means, a ceiling fan capable of improving safety can be obtained.

  Another means is that the periphery of the opening for inserting the power supply line of the connecting connector for sealing is made thick, and the shape of the opening is a round shape without corners.

  By this means, a ceiling fan that can prevent falling and ensure safety can be obtained.

  According to another means, a fixing member is provided with a support portion that converts the vertical tension applied to the power line into the horizontal direction.

  By this means, it is possible to obtain a ceiling fan that can maintain the strength of fall prevention and improve safety.

  Another means is that a main body fall prevention wire is provided substantially integrally with the power supply line, one end of the main body fall prevention wire branches near the upper end of the fixed shaft, and the other end branches near the sealing connector. It is made.

  By this means, a ceiling fan that can reduce forgetting to attach the main body fall prevention wire can be obtained.

  Further, the other means has a hook support portion provided on the fixing bracket and a hook portion provided at the tip of the main body fall prevention wire, the hook portion is provided substantially integrally with the sealing connector, and the sealing connector is provided. While being connected to the hook ceiling while rotating, the hook portion can be engaged with the hook support portion.

  By this means, a ceiling fan can be obtained that can reliably implement measures against falling of the main body and can ensure safety.

  ADVANTAGE OF THE INVENTION According to this invention, the ceiling fan with the effect that the attachment structure can be reduced in thickness can be provided.

  In addition, it is possible to provide a ceiling fan that is effective in preventing falling and ensuring safety.

  Further, it is possible to provide a ceiling fan that has an effect of reducing the forgetting to attach the main body fall prevention wire.

According to the first aspect of the present invention, there is provided a fixture that surrounds the outer periphery of the hanging ceiling projecting on the ceiling surface, a pair of L-shaped support portions that are suspended in parallel from the fixture, and a plurality of sheets. A main body provided to rotate and blow the fan, a pipe-like fixed shaft protruding from the upper portion of the main body, a through hole provided on the upper side surface of the fixed shaft, and the fixed shaft via the through hole A pair of suspension fittings fixed with bolts and nuts outside, and a sealing connector provided at the tip of a power line extending from the main body through the fixed shaft, provided on the upper portion of the suspension fitting The L-shaped engaging portion is engaged by horizontally moving in a space where the pair of L-shaped support portions of the fixing bracket face each other, and the sealing connector is connected to the hooking ceiling, Vertical support plate and horizontal support for the L-shaped support part Is formed by a, a projecting piece provided on an end of the horizontal support plate, provided corresponding to said projecting piece to diagonal positions of the suspension bracket, the vertical support plate of the L-shaped support portion of the fixing bracket comprising an engaging hole provided, and an engagement convex portion provided on the vertical engaging plate of the L-shaped engagement portion of the suspension brackets in correspondence with the engagement hole portion, the said engaging hole portion The engaging convex part can be engaged , and the L-shaped support part is arranged at the position directly below the hanging ceiling, and the hanging bracket can be slid in the horizontal direction for mounting. The L-shaped shape that allows the sealing connector to escape can be reduced, and the mounting structure can be made thin. The hanging bracket can be easily mounted over the protruding piece of the fixing bracket, The bottom metal fitting and the fixed metal fitting have a rectangular outer diameter of a square shape. Therefore, the position regulating and providing a projecting piece in two places diagonal, suspension brackets after mounting does not move in the sliding direction and the direction of rotation, can be ensured even safety, vertical support plate of the L-shaped support portion of the fixing bracket And an engagement convex portion provided on a vertical engagement plate of the L-shaped engagement portion of the hanging metal fitting corresponding to the engagement hole portion, and the engagement hole portion and the engagement hole portion. The mating convex part can be engaged, and the position of the engaging hole part and the convex part of the engaging convex part is restricted in the front-rear and up-down directions, making it difficult to come off and combining with the protruding piece of the horizontal support plate Therefore, since the rotation direction can be restricted, the safety can be further improved.

According to the second aspect of the present invention, the engagement convex portion provided on the vertical engagement plate is formed by the screw hole provided with the burring projection, and the screw connection is possible from the engagement hole portion side provided on the vertical support plate. By engaging the burring protrusion and the engagement hole, the vertical position can be regulated, and by fixing the burring with screws, secure fixing is possible, and safety during installation is improved. improves. In addition, ceiling fan fixing brackets and hanging brackets are often used at high places, and the screw holes may not be seen from the side, but the screw holes are aligned by engaging the burring. It has the effect that it can be easily attached without confirmation.

According to a third aspect of the present invention, a pair of suspension fittings fixed at a predetermined interval on the outer peripheral side of the rotating shaft, and the suspension fitting fixed within a predetermined interval to which the suspension fitting is fixed. Auxiliary screw that is screwed to the fixed shaft to engage with the bolt is provided, and when the bolt nut is installed in a dangerous state such as temporary fixing, the bolt nut loosens, Although there is a risk of wear and tear of the fixed shaft due to motor rotation torque, wear breakage can be prevented by restricting the movement of the fixed shaft and the bolt in the rotation direction by fitting an auxiliary screw within a predetermined interval of the hanging bracket. This has the effect of improving safety.

According to a fourth aspect of the present invention, the dimension of the predetermined interval provided between the pair of hanging metal fittings is substantially the same as the width dimension of the fixed terminal of the main body fall prevention wire, and the fixed terminal is set to the predetermined interval. Is fixed to the fixed shaft with an auxiliary screw in the fitted state, and the body fall prevention wire is arranged at a predetermined interval provided between the hanging metal fittings to prevent minute displacement in the circumferential direction of the fixed shaft The movement of the fixing shaft and the bolt in the rotational direction can be restricted to prevent wear and tear and improve safety, and the main body fall prevention wire can be securely fixed.

According to a fifth aspect of the present invention, a notch is provided in the hanging metal fitting, and a pair of the hanging metal fittings are closely fixed to the fixed shaft except for the notched portion, and screwed to the fixed shaft through the notched portion. Auxiliary screws are provided, and by fixing the fixed shaft and the hanging bracket with the auxiliary screw through the notch, the hanging bracket is regulated in two directions, the circumferential direction and the radial direction of the fixed shaft. It has the effect that safety can be improved by preventing slippage and preventing wear fracture.

According to a sixth aspect of the present invention, the periphery of the opening for inserting the power supply line of the sealing connector is thick, and the shape of the opening is a round shape without corners. In order to prevent falling due to wear, a body fall prevention wire is attached as a safety measure. However, if forgetting to install the wire occurs, the power line also serves as a fall prevention so that it can be temporarily avoided. However, since the sealing connector is not basically a structure to which a load is applied, it is not configured to ensure strength. In other words, a general sealing connector is formed with a thin and square opening for inserting a power line, and does not have enough strength to secure a drop against the weight of the main body. I can't. However, by making the periphery of the opening for inserting the power line thick, and making the shape of the opening circular or oval, ensuring the strength against vertical drop load, only the sealing connector and power line It can withstand vertical drop load and prevent falling, and has the effect of ensuring safety.

Further, the invention described in claim 7 is provided with a support member provided on the fixing bracket for converting the vertical tension applied to the power line into the horizontal direction, and a commercially available sealing connector is large in the vertical direction. Although strength against the load cannot be obtained and damage is likely to occur, measures are taken against a large load in the horizontal direction by a strong connection between the lead wire and the rib inside the sealing connector.

  Therefore, in the unlikely event that the main body of the ceiling fan is likely to fall, the load direction changes from vertical to horizontal by hooking the power line to the support part of the fixing bracket, and a large vertical load on the ceiling fittings is horizontal. By utilizing the strength of the sealing connector in the retaining direction, it is possible to support the weight of the main body to prevent the fall and to ensure safety. Thus, even a commercially available sealing connector has the effect of maintaining the strength of dropping prevention and improving safety.

In the invention according to claim 8 , the main body fall prevention wire is provided substantially integrally with the power supply wire, one end of the main body fall prevention wire branches near the upper end of the fixed shaft, and the other end of the sealing connector. Although it branches in the vicinity, it has been instructed to attach a wire for drop safety independently of the conventional power supply connection, but there is a possibility of forgetting to attach it. Therefore, by adopting a configuration that makes it easy to see that it is necessary to attach a wire when connecting the power supply, it is possible to encourage the attachment of the body drop prevention wire, reduce forgetting to attach, and improve safety. It has the effect of being able to.

According to a ninth aspect of the present invention, there is provided a hook support portion provided on the fixing bracket and a hook portion provided at the tip of the main body fall prevention wire, and the hook portion is provided substantially integrally with the sealing connector. When connecting the connection tool to the hooking ceiling while rotating, the hooking part is engageable with the hooking support part, and when attaching the sealing connection tool to the hooking ceiling, At the same time, the hook part of the body fall prevention wire engages with the hook support part of the fixing bracket, making it easy to attach the body fall prevention wire without being conscious of it, so you can never forget to attach it, and you can reliably implement measures against body fall. , It has the effect of ensuring safety.

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

( Assumption example 1)
As shown in FIG. 1 to FIG. 3, a thin fixing bracket 4 that surrounds the outer periphery of a hooking ceiling 3 that has a lower end cylindrical portion 2 projecting from the ceiling surface 1, and parallel to the fixing bracket 4. A pair of L-shaped support portions 5 suspended, a main body 7 provided to rotate and blow a plurality of fans 6, and a pipe-shaped fixed shaft protruding above the main body 7 to suspend the main body 7 8, a through-hole 9 provided on the upper side surface of the fixed shaft 8, a pair of suspension fittings 12 fixed to the outer periphery of the fixed shaft 8 with bolts 10 and nuts 11 through the through-hole 9, and fixed from the main body 7 And a sealing connector 14 provided at the tip of a power supply line 13 extending through the shaft 8, and an L-shaped engaging portion 15 provided on the upper part of the hanging metal fitting 12 is connected to the L-shaped support portion 5 of the fixing metal fitting 4. It is engaged by horizontal movement inside and the sealing connector 14 is hooked and connected to the ceiling 3 It is formed.

  In the above configuration, when the ceiling fan is operated to operate, it passes through the power supply line 13 through the sealing connector 14 connected to the power source, and is energized to the main body 7 and blown by the fan 6 provided in the main body 7. In addition, since the L-shaped support part 5 is arranged directly below the hanging ceiling 3 and the hanging bracket 12 can be mounted by sliding in the horizontal direction, the stroke during mounting in the vertical direction can be reduced and the sealing connection Since the L shape is such that the tool 14 is released, the mounting structure can be thinned.

( Assumption 2)
As shown in FIG. 4, the distance L between the pair of L-shaped support portions 5A suspended from the fixing bracket 4A is larger than the outer diameter R of the tip cylindrical portion 2A of the hooking ceiling 3A.

  In the above configuration, the distance L between the L-shaped support portions 5A is larger than the outer diameter R of the front end cylindrical portion 2A of the hooking ceiling 3A, so that the front end cylindrical portion 2A is placed in the L-shaped support portion 5A. Compared to the case where the L-shaped support portion 5A is disposed in the fixing bracket 4A, the thickness of the fixing bracket 4A can be reduced, and the shape of the hanging bracket 12A and the L-shaped engagement portion 15A and the L The attachment structure to the shape support portion 5A can be set thin, and the attachment structure can be further thinned.

( Assumption example 3)
As shown in FIGS. 5 and 6, the L-shaped support portion 5B of the fixing bracket 4B is formed by the vertical support plate 16 and the horizontal support plate 17, and a protruding piece 18 is provided at the end of the horizontal supporting plate 17, and the protruding piece 18 Are provided at diagonal positions of the hanging metal fitting 12B.

  In the upper configuration, the hanging metal fitting 12B can be easily mounted over the protruding piece 18 of the fixing metal fitting 4B, and the hanging metal fitting 12B and the fixing metal fitting 4B are diagonal because the planar outer shape is a quadrangle. If the projecting pieces 18 are provided at the two locations, the position is restricted, and after mounting, the hanging metal fitting 12B does not move in the sliding direction and the rotating direction, and safety can be ensured.

(Embodiment 1 )
As shown in FIG. 7, the engagement hole 19 provided in the vertical support plate 16 </ b> A of the L-shaped support 5 </ b> C of the fixing bracket 4 </ b> C, and the L-shaped engagement of the hanging metal 12 </ b> C corresponding to the engagement hole 19. The engaging protrusion 21 provided on the vertical engaging plate 20 of the portion 15B is provided, and the engaging hole 19 and the engaging protrusion 21 can be engaged.

  In the above configuration, the engagement hole 19 provided in the vertical support plate 16A and the engagement convex portion 21 provided in the vertical engagement plate 20 are engaged to form a concave and convex engagement, and the position is restricted in the front-rear and vertical directions. Thus, it becomes difficult to come off, and the rotational direction can be restricted by the combination with the protruding piece 18 of the horizontal support plate 17, which further improves safety.

(Embodiment 2 )
As shown in FIG. 8, the engaging convex portion 21A provided on the vertical engaging plate 20A is formed by the screw hole 23 formed by the burring protrusion 22, and is coupled by the screw 24 from the engaging hole portion 19A provided on the vertical support plate 16B. The configuration is as follows.

  In the above configuration, the burring protrusion 22 and the engagement hole portion 19A engage with each other, so that the vertical position can be regulated. Further, the screw 24 is screwed to the burring protrusion 22 so that the fixing can be performed securely. In addition to improving safety at the time, the fixing bracket 4D and the hanging bracket 12D of the ceiling fan are often used at high places, and the screw hole 23 may not be seen from the side, but the burring protrusion 22 is involved. By matching, it can be easily confirmed by the tactile sensation that the screw holes 23 match, and can be easily attached.

(Embodiment 3 )
As shown in FIGS. 9 and 10, the bolts that fix the suspension fitting 12 </ b> E within a predetermined interval A in which a pair of suspension fittings 12 </ b> E fixed at a predetermined interval A is fixed on the outer peripheral side of the fixed shaft 8 </ b> A. An auxiliary screw 25 that is screwed to the fixed shaft 8A is provided so as to engage with 10A.

  In the above configuration, when the bolt 10A and the nut 11A are installed in a dangerous state such as temporary fixing, the bolt 10A and the nut 11A are loosened, and the risk of wear and tear of the fixed shaft 8A due to the torque of the motor rotation or the like. However, since the auxiliary screw 25 is screwed within the predetermined interval A of the hanging metal fitting 12E and the movement of the fixed shaft 8A and the bolt 10A in the rotational direction is restricted, wear fracture can be prevented, and safety is further improved. Will be improved.

(Embodiment 4 )
As shown in FIGS. 11 and 12, the dimension of the predetermined interval A provided between the pair of hanging fittings 12 </ b> F is made substantially the same as the width dimension of the fixed terminal 27 of the main body fall prevention wire 26, and the fixed terminal 27. Is fixed to the fixed shaft 8B by the auxiliary screw 25A in a fitted state at a predetermined interval A.

  In the above configuration, the main body drop prevention wire 26 is disposed at a predetermined interval A provided between the hanging metal fittings 12F, and the rotational direction of the fixed shaft 8B and the bolt 10B is prevented by preventing a minute shift in the circumferential direction of the fixed shaft 8B. By restricting the movement of the body, safety can be improved by preventing abrasion breakage, and the main body fall prevention wire 26 can be securely fixed by the auxiliary screw 25A.

(Embodiment 5 )
As shown in FIG. 13, a notch portion 28 is provided in the hanging metal fitting 12G, and the pair of hanging metal fittings 12G are closely fixed to the fixed shaft 8C except for the notch portion 28, and screwed to the fixed shaft 8C through the notch portion 28. The auxiliary screw 25B to be combined is provided.

  In the above configuration, by fixing the fixed shaft 8C and the suspension fitting 12G with the auxiliary screw 25B through the notch 28, the suspension fitting 12G is regulated in two directions, ie, the circumferential direction and the radial direction of the fixed shaft 8C. Safety is improved by preventing slippage and preventing wear fracture.

(Embodiment 6 )
As shown in FIGS. 14 to 16, the periphery of the opening 29 for inserting the power supply line 13 </ b> A of the sealing connector 14 </ b> A is thick, and the shape of the opening 29 is a round shape without corners. And

  In the above configuration, in general, a body fall prevention wire (not shown) is attached as a safety measure to prevent dropping due to bolt wear. However, if forgetting to install the body fall prevention wire occurs, it is temporarily removed. Therefore, the power line also serves to prevent the fall. However, since the sealing connector is not basically a structure to which a load is applied, it is not configured to ensure strength. In other words, a general sealing connector is formed with a thin and square opening for power line insertion, and it does not have enough strength to secure a drop against the weight of the main unit. Although it could not be supported, the periphery of the opening 29 for insertion of the power supply line 13A was made thick, and the shape of the opening 29 was made circular or oval so that it could withstand vertical drop load and fall Can be prevented and safety can be secured.

  In the ninth embodiment, the opening 29 for inserting the power supply line is provided on the side surface of the sealing connector 14A. However, as shown in FIGS. 17 and 18, it may be provided on the lower surface side of the sealing connector. Needless to say.

(Embodiment 7 )
As shown in FIG. 19, a support portion 30 that converts the vertical tension applied to the power supply line 13 </ b> B into the horizontal direction is provided on the fixture 4 </ b> F.

  In the above-described configuration, the commercially available sealing connector has been provided with a measure for preventing the disconnection by a strong coupling between the lead wire and the rib inside the sealing connector for a large load in the vertical direction. Therefore, in the unlikely event that the main body (not shown) is likely to fall, the load direction is changed from vertical to horizontal by hooking the power supply line 13B on the support portion 30 of the fixing bracket 4F, and the vertical direction over the sealing connector 14B. A large-scale load can be converted into the horizontal direction, and by utilizing the strength in the retaining direction of the sealing connector 14B, the weight of the main body can be supported to prevent falling and to ensure safety. Even so, it is possible to maintain the strength of fall prevention and improve safety.

(Embodiment 8 )
As shown in FIG. 20, the main body fall prevention wire 26A is provided substantially integrally with the power line 13C, one end of the main body fall prevention wire 26A branches near the upper end of the fixed shaft 8D, and the other end is the sealing connector 14C. Branch and configure near

  In the above configuration, in the conventional method that supports the attachment of the main body fall prevention wire independently for drop safety, there is a possibility that the installation may be forgotten. Since it is configured so that it is easy to see that it is necessary to attach the wire 26A, it is possible to prompt the user to attach the main body drop prevention wire 26A, to reduce forgetting to attach, and to improve safety. It becomes.

  The attachment of the main body drop prevention wire 26A to the fixed shaft 8D may be performed at the time of factory production. At this time, the connection of the main body drop prevention wire 26A at the other end only needs to be performed in the field. It can be done easily.

(Embodiment 9 )
As shown in FIGS. 21-23, it has the hook support part 31 provided in the fixture 4G, and the hook part 32 provided in the front-end | tip of the main body fall prevention wire 26B, and the hook part 32 is abbreviate | omitted to the sealing connector 14D. The hook 32 is configured to be engageable with the hook support 31 when the sealing connector 14D is pivotally connected to the hook ceiling 3B.

  In the above configuration, when the sealing connector 14D is attached to the hooking ceiling 3B while being rotated, the hooking portion 32 of the main body fall prevention wire 26B is simultaneously engaged with the hooking support portion 31 of the fixing bracket 4G to prevent the main body falling. The attachment of the wire 26B can be easily performed without being conscious of it, so that attachment is not forgotten, measures against dropping of the main body can be reliably implemented, and safety can be ensured.

  By using a configuration in which the hanging metal fitting is slid and attached in the horizontal direction, the present invention can also be applied to the use of a device attachment device attached close to the ceiling surface.

The exploded perspective view which shows the ceiling mounting member of the ceiling fan of the example 1 of a premise Side view showing the assembled state of the ceiling mounting member of the ceiling fan Side view of the ceiling fan Side view showing the assembled state of the ceiling mounting member of the ceiling fan of Premise Example 2 Perspective view of the fixing bracket of the ceiling fan of Assumption Example 3 Schematic showing the state in which the hanging metal fitting is engaged with the fixed metal fitting of the ceiling fan The perspective view which shows the state at the time of attachment of the ceiling fan of Embodiment 1 of this invention The perspective view which shows the state at the time of installation of the ceiling fan of Embodiment 2 of this invention The perspective view which shows the attachment state of the ceiling fan of Embodiment 3 of this invention. The fragmentary perspective view which shows the attachment state which screwed the auxiliary screw of the ceiling fan The perspective view which shows the attachment state of the ceiling fan of Embodiment 4 of this invention The partial perspective view which shows the state which attached the fixed terminal of the ceiling fan with the auxiliary screw The perspective view which shows the attachment state of the ceiling fan of Embodiment 5 of this invention. The inside figure of the ceiling connector of the ceiling fan of Embodiment 6 of this invention A perspective view of the ceiling connector of the ceiling fan Partial sectional view of the ceiling connector of the ceiling fan The perspective view of the ceiling connector of the ceiling fan of the other example Partial cross-sectional view of ceiling connector of ceiling fan of other example The perspective view which shows the attachment state of the ceiling fan of Embodiment 7 of this invention. Schematic which shows the state of the main body fall prevention wire of the ceiling fan of Embodiment 8 of this invention The perspective view which shows the attachment state of the ceiling fan of Embodiment 9 of this invention. The perspective view which shows the state at the time of installation of the ceiling fan Perspective view of the ceiling ceiling of the ceiling fan Vertical section of a conventional ceiling fan Sectional drawing of the installation device of the ceiling fan of the other example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling surface 2A Tip cylindrical part 3 Hook ceiling 3A Hook ceiling 3B Hook ceiling 4 Fixing bracket 4A Fixing bracket 4B Fixing bracket 4C Fixing bracket 4F Fixing bracket 4G Fixing bracket 5 L-shaped support part 5A L-shaped support part 5B L type Support section 5C L-shaped support section 6 Fan 7 Main body 8 Fixed shaft 8A Fixed shaft 8B Fixed shaft 8C Fixed shaft 8D Fixed shaft 9 Through hole 10 Bolt 10A Bolt 11 Nut 12 Suspended metal 12C Suspended metal 12E Suspended metal 12F Suspended Metal fitting 12G Suspension metal fitting 13 Power supply line 13B Power supply line 13C Power supply line 14 Sealing connection tool 14A Sealing connection tool 14C Sealing connection tool 14D Sealing connection tool 15 L-shaped engagement part 15B L-shaped engagement part 16 Vertical support plate 16A Vertical support plate 16B Vertical support plate 17 Horizontal support plate 18 Projection piece 19 Engagement hole 19A engagement hole 20 vertical engagement plate 20A vertical engagement plate 21 engagement projection 21A engagement projection 22 burring projection 23 screw hole 24 screw 25 auxiliary screw 25A auxiliary screw 25B auxiliary screw 26 main body fall prevention wire 26A main body fall prevention Wire 26B Body fall prevention wire 27 Fixed terminal 28 Notch portion 29 Opening portion 30 Support portion 31 Hook support portion 32 Hook portion

Claims (9)

A fixing bracket that surrounds the outer periphery of the hanging ceiling projecting on the ceiling surface, a pair of L-shaped support portions that hang in parallel with the fixing bracket, and a plurality of fans that rotate to blow air. A main body, a pipe-shaped fixed shaft protruding from the upper portion of the main body, a through hole provided on the upper side surface of the fixed shaft, and a pair of bolts and nuts fixed to the outside of the fixed shaft through the through hole A hanging fitting and a sealing connector provided at a tip of a power line extending from the main body through the inside of the fixed shaft, and an L-shaped engaging portion provided on an upper portion of the hanging fitting is provided with the fixing fitting. The pair of L-shaped support portions are engaged with each other by horizontally moving in a space where the pair of L-shaped support portions face each other, the sealing connector is connected to the hooking ceiling, and the L-shaped support portion of the fixing bracket is horizontally connected to the vertical support plate. The horizontal support is formed by a support plate And end a projecting piece provided on said projection piece provided corresponding to diagonal positions of the suspension bracket, the engagement hole portion provided on the vertical support plate of the L-shaped support portion of the fixing bracket, in response to the engagement hole portion and a engaging protrusion provided on the vertical engaging plate of the L-shaped engagement portion of the suspension bracket, the engagement projection and the engagement hole portion and engageable the ceiling fan was. An engaging protrusion provided on the vertical engaging plate, is formed by a screw hole provided burring projections, ceiling fan of claim 1 wherein the the engagement hole portion provided on the vertical support plate allows a screw coupling. A pair of suspension fittings fixed at a predetermined interval on the outer peripheral side of the fixed shaft, and a bolt for fixing the suspension fitting within a predetermined interval to which the suspension fitting is fixed, and an auxiliary screw screwed to the fixed shaft claim 1 Symbol mounting ceiling fan. The dimension of the predetermined interval provided between the pair of hanging metal fittings is made substantially the same as the width dimension of the fixed terminal of the main body fall prevention wire, and the fixed terminal is fixed by the auxiliary screw with the fixed terminal fitted in the predetermined interval. The ceiling fan according to claim 3, which is fixed to the ceiling. A notch provided in the hanging bracket, the except a notch is fixed to the fixed shaft closely the pair of suspension brackets, the notch claim 1 provided with auxiliary thread to be screwed to the fixed shaft through Symbol This is a ceiling fan. With an opening around the power line for the insertion of a sealing fitting and meat Atsudai claim 1 Symbol mounting ceiling fan and said opening of the shape with no rounded shape. The ceiling fan according to claim 6 , wherein the fixing bracket is provided with a support portion that converts the vertical tension applied to the power line into the horizontal direction. A body fall prevention wire, provided to the power supply line and substantially integral, the body end of the fall prevention wire branches in the vicinity of the upper end of the fixed shaft, the other end according to claim 7, wherein comprising branched in the vicinity of the ceiling fitting Ceiling fan. It has a hook support part provided on the fixture and a hook part provided at the tip of the main body fall prevention wire, and the hook part is provided substantially integrally with the sealing connector, and the sealing connector is rotated to the hooking ceiling. The ceiling fan according to any one of claims 6 to 8 , wherein the hook part is engageable with the hook support part when connecting.

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