JP2009104948A - Surface mounted electric appliance - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a surface mounted downlight reduced in the number of components to simplify its structure and allowing protection of hook terminals. <P>SOLUTION: The downlight 1 includes a mounting member 2 fixed to a mounting surface S or a ceiling surface and a downlight body 11 demountably supported by the mounting member. The mounting member 2 has a pair of connecting parts 5 receiving power supply. A protective protrusion 17 and the pair of hook terminals 19 are provided on a body end member 13 defining an end disposed on the downlight body 11 on the side of the mounting member. The pair of hook terminals 19 are mechanically and electrically connected to the connecting parts 5 and are disposed within an inner area surrounded by the protective protrusion 17. The protective protrusion 17 is formed higher than the hook terminals 19 so as to function as a leg when the downlight body 11 is set lengthwise. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a direct-attached electric appliance such as a downlight that is directly attached to a mounting surface such as a ceiling surface.

  2. Description of the Related Art Conventionally, there is known a lighting fixture that is directly attached to a ceiling surface using a hanging ceiling fixed to the ceiling surface and a hanging ceiling cap attached to the ceiling (see, for example, Patent Document 1).

The hanging ceiling included in this lighting fixture has a pair of connecting portions, and the hanging sealing cap is protruded from the upper surface thereof and bent at an end in an L shape and mechanically and electrically connected to the pair of connecting portions. The hook terminal is provided. The hook terminal can be detachably connected to the connection portion by rotating the hook ceiling cap with respect to the hook ceiling. In addition, the lighting fixture includes a fixture main body having an opening through which the hook ceiling is inserted, and an elastic presser. The elastic presser is supported on the upper surface of the locking protrusion of the hooking sealing cap, and elastically presses the instrument body from its lower surface toward the ceiling surface to support the instrument body.
Japanese Patent Laid-Open No. 5-54710 (paragraphs 0023-0040, FIGS. 1 to 5)

  In the lighting fixture of Patent Document 1, the fixture main body having an opening through which the hooking ceiling passes cannot be directly supported by the hooking sealing cap, so it is necessary to use an elastic presser, and the number of parts is large, and the attachment / detachment is accompanied accordingly. It is disadvantageous in that it takes a lot of man-hours to do.

  Furthermore, the lighting fixture of Patent Document 1 does not have a device for protecting the hook terminal protruding from the upper surface of the hook ceiling cap. Therefore, when the hanging sealing cap is placed, dust on the placement surface may adhere to the hanging terminal. At the same time, there is a possibility that the hook terminal may be deformed by the impact of the hook terminal hitting the mounting surface, and further, the resin part of the hook sealing cap in which the base part of the hook terminal is buried is cracked. There is a possibility of entering.

  If the hook terminal is deformed, the reliability of the electrical and mechanical connection to the connection part of the hook ceiling may be reduced. If dust on the mounting surface adheres to the hook terminal, It becomes a factor to reduce the reliability of the general connection. In addition, if a crack occurs in the resin part of the hook sealing cap where the base of the hook terminal is buried, the crack gradually grows due to vibrations applied to the lighting fixture, and eventually the base part is damaged. The instrument body may fall from the ceiling.

  An object of the present invention is to provide a direct-attached electric appliance that has a small number of parts, can be simplified in configuration, and can protect a hook terminal.

  According to the first aspect of the present invention, there is provided a mounting member provided with a pair of connection portions to receive power supply and fixed to the mounting surface; a protective protrusion provided at the end disposed on the mounting member side, and the protective protrusion A pair of hooking terminals that are mechanically and electrically connected to the connection portion and are located in an inner region of the end portion surrounded by a portion, and the protective protruding portion can function as a leg. And an electric appliance main body which is formed higher than the hooking terminal and is detachably supported by the mounting member.

  In the first aspect of the present invention, the electrical appliance main body is directly provided with a pair of hooking terminals, and these hooking terminals are hooked on the connecting portion of the mounting member, whereby electrical and mechanical connection with the mounting member is achieved. Can be directly attached to the mounting surface. For this reason, since the part which presses an electric appliance main body to a mounting surface is not required, while reducing a number of parts, the effort of attachment or detachment of an electric appliance main body can also be reduced.

  Further, according to the first aspect of the present invention, for example, until the operation of attaching the electric appliance main body to the attachment member fixed to the attachment surface, the end of the electric appliance main body provided with the hooking terminal is directed downward. When the electric appliance main body is placed vertically and placed on the mounting surface, the protective protrusion can be used as a leg of the electric appliance main body. Thus, in a state where the protective protrusion is used, the hooking terminal can be protected from hitting the mounting surface by the protective protrusion higher than the hooking terminal. Therefore, it is possible to avoid the dust on the mounting surface from adhering to the hooking terminal, the risk of the hooking terminal being deformed by the mounting surface, and the risk of cracking the resin portion in which the base of the hooking terminal is buried. .

  According to a second aspect of the present invention, in the first aspect of the invention, the pair of hook terminals are attached to and detached from the connecting portion by rotating the electric appliance body with respect to the mounting member. The protective projection is provided on a circle drawn with the same radius centered on the central axis of the electric appliance body, and the mounting member has a guide wall that fits into the protective projection. It is characterized by that.

  According to the second aspect of the present invention, the protective projection of the electric appliance main body is fitted into the guide wall portion of the attachment member fixed to the attachment surface, so that the central axis of the attachment member and the central axis of the electric appliance main body are Aligned. Therefore, by subsequently rotating the electric appliance main body along the guide wall portion, the pair of hooking terminals of the electric appliance main body can be easily connected to the pair of connection portions of the mounting member. Accordingly, it is possible to improve the workability of attaching the electric appliance main body to the attachment member.

  The invention of claim 3 is the invention of claim 1 or 2, wherein the attachment member is fixed to an attachment surface comprising a ceiling surface, and the peripheral portion of the attachment member is bent downward from the extension wall and the extension wall. The protective protrusion is formed on a circle drawn with the same radius around the central axis of the electric appliance body, and the protective protrusion is It arrange | positions inside a cover wall, The lower end of the said cover wall was made lower than the upper end of the said protection protrusion part, It is characterized by the above-mentioned.

  In the third aspect of the invention, the cover wall of the attachment member conceals the gap between the protective projection of the electric appliance main body and the ceiling surface, so that the appearance in the attached state can be improved. In addition, even if water can be transmitted along the ceiling surface, the cover wall can guide the water downward from the protective protruding portion, so that the region is surrounded by the protective protruding portion and provided with a pair of hooking terminals. It is possible to suppress flooding.

  According to the first aspect of the present invention, it is possible to provide a direct attachment type electric appliance which can simplify the configuration with a small number of parts and can protect the pair of hooking terminals.

  According to the invention of claim 2, since the pair of hooking terminals of the electric appliance main body can be easily connected to the pair of connecting portions of the attachment member, the workability of attaching the electric appliance main body to the attachment member can be improved.

  According to the invention of claim 3, the appearance in the attached state can be improved, and water intrusion into the region where the pair of hooking terminals are provided can be suppressed.

  A first embodiment of the present invention will be described with reference to FIGS.

  In FIG. 1 and FIG. 2, reference numeral 1 indicates a direct-attached electric appliance such as a downlight. The downlight 1 is directly attached to a mounting surface S of a building, for example, an indoor ceiling surface or a ceiling surface under an eaves located outside the building.

  The downlight 1 includes an attachment member 2 and a downlight main body 11 that constitutes an electric appliance main body, for example, a lamp, which is detachably attached thereto.

  As shown in FIGS. 2 and 3, the mounting member 2 includes a synthetic resin base 3 and a cover 4 having a plurality of claws (not shown) provided on one side and a plurality of claw receivers (not shown) provided on the other side. (Not) is assembled into a donut shape. 2 and 3, reference numeral 2 a indicates a center hole of the mounting member 2.

  The cover 4 has a wall portion 4a that is in contact with the mounting surface S and a side wall portion 4b that is bent from the outer periphery of the wall portion 4a to form a substantially cylindrical shape. The wall 4a constitutes one end wall of the attachment member 2, that is, the upper wall of the attachment member 2 in this embodiment. In the present embodiment, the side wall portion 4 b forms the outer peripheral wall of the attachment member 2. The base 3 has a wall portion which is parallel to the one end wall of the cover 4 and forms the lower wall of the mounting member 2 in the present embodiment, which is the lower wall of the mounting member 2 in this embodiment.

  The mounting member 2 is attached to the mounting surface S by a plurality of wood screws (not shown) that are screwed into the mounting surface S through a plurality of fixing recesses 3a (see FIG. 3) formed in the base 3 and positioned around the center hole 2a. It is fixed.

  The attachment member 2 has a pair of connection portions 5. These connecting portions 5 are provided around the center hole 2a so as to be point-symmetrical with a central axis (not shown) of the mounting member 2 as a symmetry axis at 180 degrees apart from each other. As shown in FIGS. 2 and 4, the connection portion 5 has a connection hole 6 opened in the base 3 and a power supply terminal 7 disposed in the vicinity of the connection hole 6.

  Specifically, as shown in FIG. 4, the connection hole 6 is formed such that the first hole 6a and the second hole 6b are continuous. The first hole 6a is circular. The second hole has a long hole shape, and the width of the hole is narrower than the diameter of the first hole 6a. Therefore, the connection hole 6 has a substantially bowl shape.

  The power supply terminal 7 is formed of a metal leaf spring having excellent conductivity. The power supply terminal 7 is built in the mounting member 2 so as to be perpendicular to the back surface of the base 3 (see FIG. 2), and can be elastically deformed, for example, on a spring support portion (not shown) provided on the back surface of the base 3. And is disposed in the vicinity of the connection hole 6. The bent portion 7a that the power supply terminal 7 has in the middle portion thereof is, for example, on the first hole 6a side of the second hole 6b in the connection hole 6 as shown in FIG. 4A when the power supply terminal is in a free state. It is located so as to protrude. A power supply line (not shown) wired in the attachment member 2 through the attachment surface S side is connected to the power supply terminal 7 so as to receive power supply.

  The outer body of the downlight main body 11 is formed by screwing a synthetic resin main body end member 13 to one end of a cylindrical main body case 12 whose upper and lower ends are opened, and the other end of the main body case 12 as shown in FIG. The end plate 14 on the light emission side having the donut shape shown in FIG. The body case 12 is made of aluminum die cast in order to release the heat generated by the built-in components to the outside.

  Built-in components such as electrical components are accommodated in the outer shell. In the case of this embodiment, the light source 15 visible through the center hole 14a of the end plate 14 shown in FIG. 1C, a lighting device (not shown) for turning on the light source 15, and the light source 15 A light distribution control member (not shown) such as a reflecting mirror for controlling the light distribution of the emitted light is incorporated in the outer shell. Further, a light source using a light emitting diode as a light emitting element is used as the light source 15, whereby the downlight main body 11 is small and lightened to, for example, 2 kg or less.

  The main body end member 13 is a member that forms an end portion that is positioned on the mounting surface S side of the downlight main body 11. A circular central convex portion 13 a having a low height protrudes from the central portion of the main body end member 13. The inside of the central convex portion 13a is used as a space where a part of the built-in component is arranged. The central convex portion 13a is preferably fitted into the center hole 2a of the mounting member 2 so that the downlight main body 11 can be positioned with respect to the mounting member 2.

  A protective protrusion 17 that protrudes in a direction away from the main body case 13 is formed on the peripheral portion of the main body end member 13.

  As shown in FIG. 1 (B), the protective protrusion 17 is continuously continuous in the circumferential direction of the downlight main body 11, and for example, the outer peripheral surface thereof is the outer periphery of the downlight main body 11 as shown in FIG. 1 (A). It is flush with the surface. Therefore, the protective protrusion 17 has a cylindrical shape formed on a circle drawn with the same radius centered on the central axis (not shown) of the downlight body 11. The inner diameter of the protective protrusion 17 is larger than the outer diameter of the mounting member 2.

  As shown in FIG. 2, the protrusion height (length) A of the protective protrusion 17 is higher than the central protrusion 13a and shorter than the height (thickness) B of the mounting member 2 defined by the side wall 4b.

  A pair of hooking terminals 19 are provided so as to project in a region surrounded by the protective protrusion 17 of the main body end member 13. These hooking terminals 19 are electrically connected to the lighting device (not shown) to supply power to the lighting device. These hooking terminals 19 are disposed on the main body end member 13 with a 180 ° separation around the central convex portion 13a.

  As shown in FIG. 2, each hooking terminal 19 has a shaft portion 19a and a head portion 19b. The cross section of the shaft portion 19a in a direction orthogonal to the axial direction of the shaft portion 19a is circular, and the diameter of the shaft portion 19a is larger than the width of the second hole 6b as shown in FIGS. small. The head portion 19b is provided concentrically with the shaft portion 19a, and the diameter of the head portion 19b is larger than that of the shaft portion 19a. Furthermore, the diameter of the head 19b is smaller than the first hole 6a as shown in FIGS. 4A and 4B, but larger than the width of the second hole 6b. As shown in FIG. 2, the protruding height C of the hooking terminal 19 is lower than the protruding height A of the protective protruding portion 17. In other words, the protective protrusion 17 is formed higher than the hooking terminal 19.

  In order to attach the downlight main body 11 to the attachment member 2 fixed to the attachment surface S such as the eaves, the downlight main body 11 is arranged by covering the attachment member 2 with the main body end member 13 of the downlight main body 11. What is necessary is just to make it rotate, pushing up.

  As a result, first, the heads 19b of the pair of hooking terminals 19 face the first holes 6a of the pair of connection holes 6, and at the same time, the heads 19b are The wall 13b of the end member 13 that is inserted into the mounting member 2 through the one hole 6a and supports the bases of the pair of hooking terminals 19 contacts the base 3 of the mounting member 2.

  Next, the shaft portion 19a of the hooking terminal 19 enters the second hole portion 6b from the first hole portion 6a by the turning operation of the downlight main body 11 and then comes into contact with the inner end of the second hole portion 6b. The rotation of the light body 11 is hindered, thereby completing the installation of the lightweight downlight body 11.

  When the mounting is completed in this way, the head 19b of the hooking terminal 19 is hooked from above on the edge of the second hole 6b of the connection hole 6 as shown in FIG. Supported by the member 2. In the above attachment, the side surface of the head 19b gets over the bent portion 7a of the power supply terminal 7 while elastically deforming the power supply terminal 7, and enters the second hole 6b. It is elastically pressed against the side of Moreover, since the bent portion 7a of the power supply terminal 7 returns so as to sandwich the head portion 19b between the bent end 7a and the back end of the second hole portion 6b, the hooking terminal 19 moves inadvertently toward the first hole portion 6a. It is hindered.

  Therefore, the downlight main body 11 electrically and mechanically connects the pair of hooking terminals 19 to the pair of connection portions 5 of the mounting member 2 by the above procedure, and the mounting surface S through the mounting member 2. Directly attached to.

  And since the protrusion height A of the protection protrusion part 17 is shorter than the height B of the attachment member 2, at the time of the above attachment, the front end surface of the protection protrusion part 17 does not rub and damage the attachment surface S. The above-described attachment can be performed without being obstructed by the surface S.

  In order to remove the downlight main body 11 from the mounting member 2 when performing maintenance of the downlight main body 11, the downlight main body 11 is rotated in the opposite direction to the above mounting procedure, and the hooking terminal 19 is moved. What is necessary is just to pull out below facing the 1st hole 6a.

  As described above, the pair of hooking terminals 19 provided directly on the downlight main body 11 are hooked on the connecting portion 5 of the mounting member 2 to form an electrical and mechanical connection with the mounting member 2, thereby downlighting. The main body 11 can be directly attached to an attachment surface S such as a ceiling surface via the attachment member 2. For this reason, since the part which presses the downlight main body 11 against the attachment surface S is not required, the structure of the downlight 1 can be simplified as the number of parts can be reduced. At the same time, it is possible to reduce time and labor when attaching / detaching the downlight main body 11.

  By the way, at the site where the downlight 1 is installed and constructed, the downlight main body 11 taken out from the unpacked packaging box is mounted on the mounting member 2 until the downlight main body 11 is mounted on the mounting member 2. May be placed.

  In this case, it is not preferable to place the cylindrical downlight body 11 on its side because it may roll. Further, when the downlight main body 11 is placed vertically with the end plate 14 facing down, the downlight main body 11 does not roll. However, when the operator grasps the downlight main body 11 from above, the downlight main body 11 is attached due to the mounting relation to the mounting surface S. It takes time and effort to change the direction up and down.

  However, the downlight main body 11 having the above-described configuration has the protective protrusion 17 protruding from the main body end member 13, so that the downlight main body 11 can be placed vertically with the protective protrusion 17 as a leg. In addition, when the operator holds the downlight body 11 placed in this way from above, the downlight body 11 can be oriented to be suitable for mounting simply by inverting the wrist as it is.

  As described above, the protrusion height A of the protective protrusion 17 that functions as a leg is higher than the protrusion height C of the hook terminal 19. Therefore, as shown in FIG. 5, when the downlight main body 11 is placed on the floor surface (mounting surface) T with the main body end member 13 facing downward, the hooking terminal 19 is protected so as not to hit the floor surface T. It can protect with the protrusion part 17. FIG.

  As a result, when the downlight body 11 is placed vertically, dust on the floor surface T adheres to the hooking terminal 19, and the hooking terminal 19 may be deformed by the floor surface T. It is also possible to avoid the possibility of cracks in the resin portion of the main body end member 13 in which the root part of the main body is buried.

  FIG. 6 shows a second embodiment of the present invention. Since the second embodiment is the same as the first embodiment except for the matters described below, the same components as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and the description thereof is omitted.

  In 2nd Embodiment, the attachment member 2 has the peripheral part 4c provided in the outer side rather than the side wall part 4b. The peripheral portion 4c is formed of, for example, a substantially horizontal protruding wall 4c1 projecting outward from the side wall portion 4b, and a cover wall 4c2 bent downward from the protruding wall 4c1.

  The overhanging wall 4c1 is preferably in contact with the mounting surface S formed from a ceiling surface, but may be provided with a gap formed between the protruding surface 4c1 and the mounting surface S. The cover wall 4c2 has a cylindrical shape that is continuous in the circumferential direction.

  The cover wall 4c2 is provided so as to cover the outer periphery of the cylindrical protective protruding portion 17, so that the lower end of the cover wall 4c2 is located lower than the upper end of the protective protruding portion 17, and the protective protruding to the inside of the cover wall 4c2. Part 17 is arranged. As a preferred example, in order to make the cover wall 4c2 function as a guide wall when the downlight main body 11 is rotated, the inner diameter of the cover wall 4c2 is the outer diameter of the protective projection 17 fitted inside the cover wall 4c2. Is set approximately equal. Except for the configuration described above, the configuration is the same as the downlight 1 of the first embodiment.

  Therefore, the problem of the present invention can also be solved in the second embodiment for the reason described in the first embodiment. In addition, the second embodiment is superior to the first embodiment in the following points.

  That is, the gap between the protective projection 17 of the downlight main body 11 and the mounting surface S formed from the ceiling surface can be blinded by the cover wall 4c2 of the mounting member 2. Thereby, the appearance of the downlight 1 in an attached state can be improved.

  Further, when the downlight 1 is installed directly under the eaves, for example, even if the water is directed toward the downlight 1 through the mounting surface S composed of the ceiling surface, the water is caused to flow through the cover wall 4c2. The water can flow down from the cover wall 4c2 along the outer surface of the protective protrusion 17 by being guided downward outside the protective protrusion 17. Therefore, it is possible to prevent water from entering the region surrounded by the protective protrusions 17 that are continuous in the circumferential direction without a break and provided with the pair of hooking terminals 19.

  In addition, in this embodiment, since the inner diameter of the cover wall 4c2 and the outer diameter of the protective projection 17 are set to be approximately equal, when the downlight body 11 is attached to the mounting member 2, the cover wall 4c2 is protected inside. By fitting the protrusion 17, the center axis of the mounting member 2 and the center axis of the downlight body 11 can be aligned. And under this positioning, the downlight main body 11 can be rotated along the inner peripheral surface by using the cover wall 4c2 as a guide. Accordingly, since the pair of hooking terminals 19 of the downlight body 11 can be easily connected to the pair of connection portions 5 of the mounting member 2, the workability of mounting the downlight body 11 to the mounting member 2 can be improved.

  FIG. 7 shows a third embodiment of the present invention. Since the third embodiment is the same as the second embodiment except for the matters described below, the same components as those of the second embodiment are denoted by the same reference numerals as those of the second embodiment, and the description thereof is omitted.

  In the third embodiment, a cylindrical protective protrusion 17 that is continuous in the circumferential direction is not provided flush with the outer periphery of the main body end member 13 but on the inner side of the outer periphery. For this reason, the protective protrusion 17 has a smaller diameter than the outermost diameter of the downlight body 11. The protective protrusion 17 is inserted into an annular gap between the side wall 4b of the mounting member 2 and the cover wall 4c2. The outer peripheral surface of the protective protrusion 17 thus inserted is greatly separated from the inner peripheral surface of the cover wall 4c2. On the other hand, the inner diameter of the protective protrusion 17 is set substantially equal to the outer diameter of the side wall 4b, so that the side wall 4b functions as a guide wall when the downlight body 11 is rotated. It is. Except for the configuration described above, the configuration is the same as the downlight 1 of the second embodiment.

  Therefore, the problem of the present invention can be solved for the reason already described in the third embodiment, and the appearance of the downlight 1 in the mounted state can be improved by the blinding action of the cover wall 4c2 of the mounting member 2.

  Furthermore, it is possible to suppress water intrusion into a region surrounded by the protective protrusions 17 that are continuous in the circumferential direction without a break and provided with the pair of hooking terminals 19. That is, when the downlight 1 is installed directly under the eaves, for example, even if the water may be directed to the downlight 1 through the mounting surface S that is a ceiling surface, the water is covered by the cover wall 4c2. It can guide below on the outer side of the protection protrusion part 17, and it can be made to drip by dripping water with this cover wall 4c2.

  Moreover, the workability of attaching the downlight main body 11 to the attachment member 2 can be improved. That is, when the downlight body 11 is attached to the mounting member 2, the protective projection 17 is fitted to the outside of the side wall portion 4b so that the center axis of the mounting member 2 and the center axis of the downlight body 11 are aligned. Under this positioning, the downlight main body 11 can be rotated along the outer peripheral surface with the side wall 4b as a guide. Therefore, the pair of hooking terminals 19 of the downlight main body 11 can be easily connected to the pair of connecting portions 5 of the mounting member 2.

  8A and 8B show a fourth embodiment of the present invention. Since the fourth embodiment is the same as the first embodiment except for the items described below, the same components as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted.

  In the fourth embodiment, the protective protrusions 17 are not continuous in the circumferential direction, but a plurality of arc-shaped protrusions provided on a circle drawn with the same radius centered on the central axis of the downlight body 11 The protective protrusion 17 functioning as a leg is formed by 17a, and a gap 17b for drainage is provided between each adjacent arc-shaped convex portion. The outside of the region facing the lower surface of the mounting member 2 in the wall 13b of the main body end member 13 is gradually inclined downward toward the inner periphery of the protective protrusion 17 (not shown). Except for the configuration described above, the configuration is the same as the downlight 1 of the first embodiment.

  Therefore, the problem of the present invention can be solved for the reason already described in the fourth embodiment. In addition, by providing the main body end member 13 with the gap 17b for drainage, it is possible to suppress water intrusion into the region where the pair of hooking terminals 19 disposed inside the protective protrusion 17 is provided. That is, when the downlight 1 is installed directly under the eaves, for example, the water is directed toward the downlight 1 through the mounting surface S formed of a ceiling surface, and drops onto the main body end member 13 from the mounting member 2. Even if it happens, the water can be discharged to the outside through the gap 17 b of the protective projection 17.

  The present invention is not limited to the downlight, and can be applied to any appliance that is installed directly on a mounting surface such as a ceiling surface, such as an illuminance sensor or a gas sensor.

(A) is a side view showing a downlight according to the first embodiment of the present invention. (B) is a top view which shows the downlight main body of the downlight which concerns on 1st Embodiment. (C) is a bottom view showing the downlight body of the downlight according to the first embodiment. FIG. 2 is a side view of the downlight shown in FIG. The perspective view which shows the attachment member with which the downlight of FIG. 1 is provided seeing from diagonally downward. (A) is a figure which shows the connection part of the downlight of FIG. 1 in the state before a hooking terminal is connected to it. (B) is a figure which shows the connection part of the downlight of FIG. 1 in the state in which the hooking terminal was connected to it. FIG. 2 is a side view illustrating a state in which a downlight main body of the downlight of FIG. 1 is partially cut away. The side view which partially cuts and shows the upper part of the downlight which concerns on 2nd Embodiment of this invention. The side view which partially cuts and shows the upper part of the downlight which concerns on 3rd Embodiment of this invention. (A) is a side view showing a downlight according to a fourth embodiment of the present invention. (B) is a top view which shows the downlight main body of the downlight which concerns on 4th Embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Downlight (direct mounting type electric appliance), 2 ... Mounting member, 4a ... Side wall part (guide wall part) of mounting member, 4c ... Peripheral part of mounting member, 4c1 ... Overhang wall, 4c2 ... Cover wall (guide wall) Part), 5 ... connection part, 6 ... connection hole, 6a ... 1st hole part, 6b ... 2nd hole part, 7 ... feeding terminal, 11 ... downlight main body (electric appliance main body), 13 ... main end member ( End of the electric appliance main body), 17 ... Protective protrusion, 19 ... Hanging terminal, 19a ... Shaft, 19b ... Head, A ... Protrusion height of the protective protrusion, B ... Mounting member height, C ... Projection height of hook terminal, S ... Mounting surface, T ... Floor surface (mounting surface)

Claims (3)

An attachment member having a pair of connection portions for receiving power supply and fixed to the attachment surface;
A pair of protective protrusions are provided at the ends disposed on the mounting member side, and are located in an inner region of the end part surrounded by the protective protrusions and mechanically and electrically connected to the connection part. An electrical appliance main body that is provided higher than the hook terminal so that the protective projection can function as a leg, and is removably supported by the mounting member;
A direct-attached electric appliance characterized by comprising:   The pair of hook terminals are attached to and detached from the connecting portion by rotating the electric appliance main body with respect to the attachment member, and the protective protrusion is centered on a central axis of the electric appliance main body. 2. The direct mounting die according to claim 1, wherein the mounting member has a guide wall portion that is provided on a circle drawn with the same radius and that fits into the protective protruding portion. Electrical appliances.   The mounting member is fixed to a mounting surface composed of a ceiling surface, and the peripheral portion of the mounting member is formed by an overhanging wall and a cover wall that is bent downward from the overhanging wall and is continuously continuous in the circumferential direction, and the protection The protrusion is formed on a circle drawn with the same radius centered on the central axis of the electric appliance body, the protective protrusion is disposed inside the cover wall, and the lower end of the cover wall is The direct attachment type electric appliance according to claim 1, wherein the electric appliance is lower than an upper end of the protective protrusion.

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