KR101312646B1 - Combination structure for circle cover of a burial type led lamp in roof - Google Patents

Abstract

PURPOSE: A circular cover structure for ceiling type LED bulbs is provided to perfectly settle a cover in a housing by inserting protrusions in holes. CONSTITUTION: A housing comprises an LED module inside. A cover (20) is mounted on a lower part of the housing. The cover comprises a cover flange (22) and a cover joint (50). The cover joint comprises a joint guide (52) and a joint protrusion (51). A housing joint (40) comprises a protrusion groove (42) and a housing guide (43). The protrusion groove comprises groove side and front parts (42-1, 42-2).

Description

Ceiling structure LED bulb round cover installation structure {Combination structure for circle cover of a burial type led lamp in roof}

The present invention relates to a circular cover installation structure of a ceiling light emitting diode (LED) light bulb, comprising a housing coupling portion on an inner circumferential cylindrical surface of a cylindrical housing and a cover coupling portion on a circular cover to cover a cover coupling portion. It relates to a ceiling-embedded LED bulb round cover installation structure in which the cover is fastened to the housing by inserting and rotating the coupling part.

Currently, discharge lamps such as fluorescent lamps, incandescent lamps and halogen lamps are used as light sources for indoor lighting in homes and offices. Since the discharge lamp has a high driving voltage, the energy consumption is large due to the boost of the power, and when discharged, the discharge lamp discharges discharge gas such as mercury, which is harmful to the human body or the environment.

In particular, the European Union prohibits the use of harmful substances such as lead, mercury, cadmium, hexavalent chromium (Cr6 +), PBB (polybromide binpenyl) and PBDE (polybrominated diphenyl ether) Establishment of Waste Electrical and Electronic Equipment Directive (WEEE), which allows producers to bear the cost of recycling of hazardous substances (RoHS (Restriction of Use of Hazardous Substances) and waste electrical and electronic products. And it has been implemented since July 1, 2006.

Accordingly, the necessity of research and development of a new luminaire that can replace a luminaire such as a fluorescent lamp currently used is emerging.

In addition, with the rapid development of LED (Light emitting diode) related technologies, white LEDs that emit white light using blue LEDs and phosphors have emerged. Small size, low power consumption, semi-permanent life, no harmful emission such as ultraviolet light, no environmentally friendly lighting source without mercury and discharge gas. .

Various light fixtures using such LEDs have been developed, and the ceiling-mounted LED bulbs of the prior art, in which a portion of the ceiling-embedded LED bulbs, which are embedded in the ceiling and are mounted to expose only the front surface, are exposed to the ceiling, are circular. ,

Registered Utility Model Publication No. 20-0452818 (2011.03.21.) An integrated LED lighting device integrated with a luminaire is an embedded LED lighting device that is inserted into and installed into a hole formed in a ceiling plate, and is inserted into a hole of a ceiling plate. A plurality of cooling fins, stoppers, and fixing protrusions formed on one side thereof so as to have a constant positional relationship with each other, and a main body portion having a locking hole perforated on one side thereof; A power supply unit which is supported on the cooling fins of the main body unit; An LED substrate mounted on a support surface which is the other side of the main body; A lens mounted on a support surface side of the body portion so as to be covered over the LED substrate; The face facing the lens is opened, and the coupling hole is mounted to the main body from the lower surface side of the ceiling plate facing the room and protrudes upward at a predetermined interval so that the gap between the hole of the ceiling plate and the main body part is concealed. Closing cover; A locking mechanism provided in the main body through the stopper in such a way that the rotation angle is limited by the stopper so as to be rotatable between a mounting position where the main body is held in the hole of the ceiling plate and a detachment position where the main body is separated from the hole of the ceiling plate. ; And a fixing band fixed to a fixing protrusion of the main body in a form of constraining a portion of the power supply so that the power supply is fixed to the main body. The closing cover is coupled to a plurality of engaging holes formed on the support surface of the main body. By inserting the sphere, the coupler is fastened to the locking hole.

The prior art has a problem in that when the closing cover is removed in a state where the closing cover is fastened to the main body, the coupling hole is not easily separated from the locking hole, and thus the closing cover is not easily separated.

In addition, the prior art has a problem that the coupling hole is pushed out from the outer surface of the main body portion of the engaging hole when the closing cover is removed, the elasticity is lost and the function of the coupling hole is reduced.

In addition, the prior art has a problem that the separation of the closing cover coupled to the main body is not easy to separate the configuration of the closing cover.

The present invention was created in order to solve the above problems, the cover coupling portion to form a cover coupling portion in the circular cover of the ceiling-embedded LED bulb and to form a space on the inner circumferential cylindrical surface of the cylindrical housing housing coupling portion When inserted and rotated, the cover coupling part is supported while being prevented from detaching from the housing coupling part, thereby providing easy installation and removal of the cover, and providing a ceiling-embedded LED bulb circular cover installation structure that does not lose its function even if the binding and separation are repeated. have.

Ceiling embedded LED bulb circular cover installation structure according to the present invention is a ceiling-embedded LED bulb circular cover installation structure consisting of a housing to accommodate the LED module and the converter therein, the cover mounted on the bottom of the housing, the housing is a lower portion A housing engaging portion integrally formed with the inner circumferential cylindrical surface; The cover is formed of a ring-shaped cover flange which is integrally formed on the upper surface of the edge and a cover coupling part configured to protrude on the cover flange.

In addition, the present invention is the housing coupling portion at the lower end of the inner cylindrical surface is a projection insertion groove of the groove in the vertical direction, spaced apart from the bottom surface of the projection insertion groove at regular intervals and a portion of the inner cylindrical surface of the housing is configured to protrude in the center direction The housing guide is configured.

In addition, the present invention comprises a plate-shaped coupling guide that is configured to protrude integrally perpendicular to the cover coupling portion perpendicular to the cover flange, and a bar-shaped coupling protrusion configured to protrude horizontally integrally to the cover flange at one end of the coupling guide. Become; The coupling guide is placed on the front surface of the housing guide, the engaging projection is to be placed in the projection settling hole formed between the lower inner circumferential cylindrical surface of the housing and the housing guide.

In addition, the present invention is the projection insertion groove is spaced apart at regular intervals from the lower inner circumferential cylindrical end of the housing and the plate-shaped insertion groove side protruding toward the center direction of the housing, the plate-shaped insertion connecting the pair of end of the insertion groove side Consists of a groove front; The housing guide is composed of a plate-shaped side guide which is spaced at a predetermined interval from the inner circumferential cylindrical surface of the housing and protrudes toward the center of the housing, and a plate-shaped front guide connecting the ends of the pair of side guides; The protrusion settling hole is configured to penetrate a side surface of the housing between the protrusion insertion groove and the housing guide.

The ceiling-embedded LED bulb circular cover installation structure according to the present invention has an effect that the cover coupling portion is inserted and rotated in the housing coupling portion so that the cover can be simply attached to and detached from the housing.

In addition, the present invention has the effect that the cover coupling portion is inserted and rotated in the housing coupling portion is not separated by itself when the cover is bound to the housing.

In addition, the present invention has the effect that the function is not lost even if the cover coupling portion is inserted into and coupled to the housing coupling portion and repeats the binding and separation of the cover.

In addition, the present invention has the effect that the engaging projection is secured by the cylindrical surface of the housing by being inserted into the projection mounting hole of the housing engaging portion to be securely seated on the housing.

In addition, the present invention has the effect that the housing guide of the housing coupling portion guides and supports the coupling guide of the cover coupling portion does not move in the horizontal direction.

1 is a perspective view of a ceiling recessed LED bulb to which the present invention is applied.
2 is a bottom view of a ceiling-embedded LED light bulb with the cover of the present invention attached.
3 is a perspective view of a ceiling-embedded LED light bulb in which a cover in a state where a housing coupling part of the present invention is applied is in a detached state.
4 is a perspective view of the cover of the present invention.
5 is a perspective view of the cover coupling portion of the present invention.
Figure 6 is a perspective view of the housing joint of the present invention.
7 is a perspective view of the cover coupling portion and the housing coupling portion of the present invention.
8 is a cross-sectional view of the coupling state of the cover coupling portion and the housing coupling portion of the present invention.

Hereinafter, a perspective view of a ceiling-embedded LED light bulb to which the present invention of FIG. 1 is applied to an embodiment of the present invention, a bottom view of a ceiling-embedded LED light bulb in a state where the cover of the present invention of FIG. 2 is attached, and the present invention of FIG. Perspective view of the ceiling-mounted LED bulb with the cover in a state where the housing coupling part is applied, the cover perspective view of the present invention of FIG. 4, the cover perspective view of the present invention of FIG. 5, the perspective view of the housing coupling part of the present invention of FIG. 6. 7 will be described in detail with reference to the coupling perspective view of the cover coupling portion and the housing coupling portion of the present invention and the coupling state of the cover coupling portion and the housing coupling portion of the present invention of FIG.

The present invention relates to an installation structure of a circular cover in a ceiling-embedded LED bulb (1) consisting of a housing (10) embracing the LED module (30) therein and a cover (10) mounted on the bottom of the housing (10). As the ceiling-embedded LED light bulb 1 is composed of a housing 10 for embracing therein an LED module equipped with an LED 31 emitting light and a converter including a drive circuit for driving the LED 31 therein. The bottom surface of the housing 10, that is, the bottom portion is formed in a circular shape so that the shape of the housing 10 becomes a hexahedron, and the cover 20 is attached to the bottom of the housing 10.

The present invention provides a ceiling-embedded LED bulb (1) in which a housing (10) is composed of a cylindrical and disc shaped cover (20). It consists of a large configuration of the housing 10, the LED module 30, the converter, the cover 20.

The housing 10 is made of a small configuration of the housing coupling portion 40, the housing coupling portion 40 is made of a small configuration of the projection insertion groove 42, the housing guide 43, the projection insertion groove 42 ) Is made of a small configuration of the insertion groove side 42-1, the insertion groove front 42-2, the cover 20 is made of a small configuration of the cover flange 22 and the cover coupling portion 50, Cover coupling portion 50 is made of a small configuration of the coupling guide 52, the engaging projection (51).

The present invention is composed of a housing 10 which includes the LED module 30 and the converter therein and a cover 20 mounted on the bottom of the housing 10 so that the bottom of the housing 10 has a cylindrical shape. Not only is applied to the LED bulb 1 and applied to the circular cover, but may also be applied to the fluorescent lamp, the cylindrical housing of the halogen bulb and the circular cover embedded in the ceiling.

The outer surface of the housing 10 is a fixing member 13 for mounting the ceiling-mounted LED bulb 1 to the lamp mounting hole penetrated through the ceiling.

The fixing member 13 is composed of a bent plate-shaped rectangular elastic member, the other end that is bent at a predetermined angle from the one end mounted on the outer surface of the housing, that is, the mounting piece and the mounting piece, and supported on the inner surface of the ceiling panel. It consists of.

The fixing member 13 has insertion grooves respectively formed at both sides of the housing 10 and inserts the mounting pieces into the insertion grooves to match the screw holes formed in the mounting pieces so as to be mounted with screws or bolt holes respectively at both sides of the housing 10. And a bolt hole is formed in the mounting piece so that the bolt hole of the housing and the bolt hole of the elastic member are inserted at the same time by inserting a vertical bolt or by bending the end of the mounting piece of the fixing member 13 in a circular shape. Inserting a horizontal horizontal bar and horizontally fixing the horizontal bar on both sides of the housing 10 is mounted on the outer surface of both sides of the housing 10 and the torsion spring is inserted into the horizontal bar to fix each of the one end and the other end of the torsion spring fixing member (13) It is mounted in close contact with one side of the outer surface of the housing 10 and.

Before the ceiling-embedded LED light bulb 1 is embedded in the ceiling, the screw or bolt is rotated using a screwdriver or the like in consideration of the thickness of the ceiling, that is, the ceiling panel, so that the fixing member 13 and the ceiling-embedded LED light bulb 1 Adjust the height spacing of the bottom properly.

The fixing member 13 is elevated by the rotation of the screw or bolt, and according to the thickness of the ceiling panel, when the ceiling embedded LED bulb 1 is embedded in the ceiling, that is, the bottom surface of the ceiling embedded LED bulb 1 will be described later. It serves to adjust to match the bottom of the cover 20.

When the ceiling-mounted LED bulb 1 is inserted into a lamp mounting hole formed in the ceiling, the fixing member 13 mounted on the outer surface of the housing 10 is inserted while being folded by elasticity, and the ceiling-embedded LED bulb 1 is inserted. When the support piece of the fixing member 13 is completely inserted into the inner surface of the ceiling panel, i.e., the rear surface, when the support piece of the fixing member 13 is inserted into the lamp mounting hole, the fixing member 13 is unfolded by the restoring force by elasticity so that the supporting piece of the fixing member 13 is the ceiling panel. It is caught by the inner surface of the installation surface is supported by the ceiling-embedded LED bulb (1) is prevented from escaping forward or downward from the lamp mounting hole.

The housing 10 includes a housing coupling part 40, and the housing coupling part 40 is integrally formed on the lower inner circumferential cylindrical surface 11 of the housing 10, and the cover 20 described below is a cover ( A cover engaging portion 50 is formed to protrude from the ring-shaped cover flange 22 that is integrally protruded from the edge upper surface of 20).

The housing coupling portion 40 is composed of a projection insertion groove 42 and the housing guide 43, the projection insertion groove 42 is composed of a groove in the vertical direction of the cylindrical inner peripheral surface at the lower end, the housing guide 43 is The bottom surface of the protrusion insertion groove 42 is spaced apart by a predetermined interval and a portion of the cylindrical inner peripheral surface of the housing 10 is configured to protrude in the center direction.

The protrusion insertion groove 42 is configured such that the inner circumferential surface of the cylinder protrudes in the centrifugal direction because the inner circumferential surface of the cylinder is formed of a vertical groove.

The projection insertion groove 42 is composed of the insertion groove side and the insertion groove front, the insertion groove side is spaced apart at regular intervals from the end of the lower inner circumferential cylindrical surface 11 of the housing 10 toward the center of the housing 10 It is composed of a protruding plate shape, the insertion groove front side is composed of a plate shape connecting the ends of the pair of insertion groove side.

The protrusion insertion groove 42 is configured as a recess in which the inner side of the bottom cylindrical surface 11, ie, the cylindrical surface 11, of the housing 10 is viewed from the bottom of the housing 10, that is, the side in which the cover 20 is engaged. The inner diameter side of the protrusion plate of the cover 20 to be described later is configured in a way slightly.

The protrusion insertion groove 42 is open at the top and the vertical direction of the cylindrical surface 11, that is, the inner cylindrical surface 11, that is, the LED module 30 is coupled to the cover 10 side in the inner cylindrical surface 11 It is preferably configured to be incised up to about one third to one half of the position.

The projection insertion groove 42 is composed of a side insertion groove and a front insertion groove, the side insertion groove is spaced apart at regular intervals from the inner circumferential cylindrical surface 11 of the housing 10 is protruded toward the center of the housing 10 It is configured in a plate shape, the front insertion groove is configured in a plate shape connecting the ends of the pair of side guides.

The protrusion insertion groove 42 is configured to integrally connect the side insertion grooves formed at both sides of the front insertion groove in a '┗┛' shape, in addition to the '┗┛' shape, '∪' shape, '∨' shape, etc. In consideration of the ease of insertion and convenience of manufacturing, the coupling protrusion 51 to be described later is preferably a '┗┛' shape.

When the protrusion insertion groove 42 is configured to a position where the LED module 30 is coupled, the length of the protrusion insertion groove 42 is longer than that of the protrusion insertion groove 42, that is, when the converter insertion groove 42 is configured to be deeper in the direction in which the converter is inserted. The lower portion of the), that is, the housing guide 43 is spaced apart from the protrusion insertion groove 42 in a predetermined interval in the direction in which the converter is inserted is configured to be deeper than the position where the LED module 30 is configured.

In this case, when the cover 20 described below is coupled to the housing 10, an end surface of the cover flange 22 protruding from the edge of the cover 20 may collide with the front face of the LED module 30. The cover 20 may not be coupled to the housing 10.

The housing guide 43 includes a side guide 43-2 and a front guide 43-1, and the side guide 43-2 is spaced apart from the inner circumferential cylindrical surface 11 of the housing 10 at regular intervals. And a plate shape protruding in the center direction of the housing 10, and the front guide 43-1 is configured in a plate shape connecting the ends of the pair of side guides 43-2.

The housing guide 43 has a configuration in which the front guide 43-1 is integrally connected to the side guides 43-2 configured at both sides, and is configured in a '┗┛' shape.

The protrusion insertion groove 42 is configured to be spaced apart from one side of the housing guide 43, and the side guide groove 42 on one side of the protrusion insertion groove 42 and the side guide 43-of the housing guide 43. 2) is configured in one vertical plane.

The size of the housing guide 43, that is, the length width and height is configured to be larger than the size of the protrusion insertion groove 42 and larger than the size of the coupling protrusion 51 to be described later, the size of the housing guide 43 is the most The larger size of the coupling protrusion 51 is configured to be the smallest, and the size of the protrusion insertion groove 42 is half of the size of the housing guide 43 and the size of the coupling protrusion 51.

Between the protrusion insertion groove 42 and the housing guide 43, a protrusion settling hole 44 through which a side surface of the housing 10 penetrates is formed.

The protrusion settling hole 44 is formed so that the protrusion insertion grooves 42 are spaced apart from one side of the housing guide 43 so that the spaces are penetrated, and the spaces are spaced apart from the cylindrical surface of the housing 10. 11) is composed of a through-hole or through-hole penetrated into a rectangle.

The length of the protrusion settling 44 is configured to be equal to the length of the housing guide 43, that is, the length of the front guide 43-1 of the housing guide 43, and the width of the protrusion settling 44 is the housing guide. The width of 43 is the same as that of the side guide 43-2 of the housing guide 43, and the height of the projection settle 44 is configured to be slightly larger than the height of the engaging projection 51 to be described later.

The reason why the height of the protrusion settling 44 is configured to be slightly larger than the height of the coupling protrusion 51 is that the coupling protrusion 51 is inserted into the protrusion settling 44 to move in the horizontal direction and the height may be the same. In this case, if it is not moved and the height difference is too large, the clearance is so large that the engaging projection 51 can freely move up and down within the projection settling hole 44.

The housing 10 has a body formed on the bottom surface, that is, a plate-shaped protrusion plate which is integrally drawn outwardly in a direction perpendicular to the cylindrical surface 11 and the housing protrudes upwardly at right angles with the protrusion plate around the edge of the protrusion plate. The flange 12 is configured.

The housing flange 12 may be configured in the protruding plate as described above or may be integrally protruded directly into the bottom cylindrical surface 11 of the housing 10.

When the housing flange 12 is integrally protruded directly into the bottom cylindrical surface 11 of the housing 10, the housing flange 12 is integrally protruded into the body, that is, the cylindrical surface 11 without the protrusion plate described above.

In other words, when the housing flange 12 is configured without a protruding plate, the protruding ring shape is integrally protruded from the bottom of the cylindrical surface 11 of the housing 10 to form a cylindrical surface 11 of the housing 10. The bottom part is formed by the ring shape.

The cover engaging portion 50 described below is inserted into the housing engaging portion 40 so that the cover 20 is fastened to the housing 10, that is, the support seat is secured by the cylindrical inner circumferential surface of the housing 10 and the housing guide 43. The cover 20 is attached to the housing 10.

When the cover coupling portion 50 is inserted into the housing coupling portion 40 so that the cover is fixed to the housing 10, the lower surface of the housing flange 12 or the lower surface of the protrusion plate may be in close contact with or slightly spaced from the upper surface of the cover 20. It is configured to be.

The coupling guide 52 is placed on the front surface of the housing guide 43, the projection protrusion 51 is formed between the inner cylindrical surface 11 of the housing 10 and the housing guide 43 44, the coupling protrusion 51 is supported on the front surface of the housing 10 so that the cover 20 is attached to the housing 10.

The housing 10 has an inner space of a cylindrical surface with a bottom opening, that is, a bottom surface, and is formed in a cylindrical shape, and a converter and an LED module 30 are mounted in the internal space.

The internal space of the housing 10 is equipped with a converter configured with a drive circuit on the resin-based substrate for driving the LED 31, the converter converts the AC current input through the electrode wire into a DC current suitable for the LED bulb To the LED module 30.

The converter supplies a DC current to the LED module 30 and is electrically connected to the LED module 30 by an electrode and an electrode line formed on the upper side of the housing 10. Electrically connected.

The housing 10 is composed of a plurality of screw coupling portion formed with a screw groove protruding at a predetermined interval toward the center on the inner wall or by forming an inner flange protruding in the inner direction at a predetermined interval around the inner cylindrical surface (11) Multiple flange grooves may be formed in the flange at regular intervals.

The screw penetrates the converter so that the screw is screwed into the screw groove of the screw coupling portion or the screw groove of the inner flange so that the converter is placed on the inner surface of the housing 10.

The housing 10 is coupled to the cover 20 and the LED module 30 including a substrate on which the plurality of LEDs 31 are mounted to face the cover 20 is coupled to each other by screws or the like.

The LED module 30 includes a plurality of LEDs in which electrode circuits are formed on the resin-based LED substrate on which the LED 31 used as the light source of the light bulb is mounted so as to electrically connect the LED 31 to each other. It consists of 31.

The housing 10 is configured separately from the screw coupling portion or the inner flange in which the converter is placed and the module screw coupling portion or module for the module settled in the lower surface of the housing, that is, inside the opening of the housing. The inner flange is configured.

 The LED module 30 is screwed into the screw groove formed in the module screw coupling portion or the module inner flange is placed on the inner surface of the housing 10 to be spaced apart from the converter.

The cover 20 is shaped according to the shape of the bottom of the housing 10, and the bottom of the housing 10, that is, the bottom of the housing 10 has a circular shape.

The cover 20 is mounted on the front part of the LED module 30, that is, the bottom of the housing 10, and is formed through a centrally penetrating portion of the cover flange 22 and the cover flange 22 extending at a right angle. It consists of a transparent plate 21 of the flat plate is placed on the upper part of the through portion of the plate settle and the transparent plate settle and the light emitted from the LED 31 is incident to the outside.

Since the cover 20 is circular, the cover 20 has a circular ring shape, and the area of the floodlight including the through part is the same as that of the bottom of the housing 10 and includes the through part. The negative planar shape is configured in the same manner as the bottom shape of the housing 10.

When the transparent plate 21 is placed between the protrusions and the protrusions by forming protrusions having a predetermined height on the upper surface of the transparent plate settled portion, the transparent plate 21 is prevented from moving in the horizontal direction by the protrusions and is seated.

For example, the protrusions are composed of three to four components at regular intervals, that is, 120 degrees in three cases.

The transparent plate 21 may be made of transparent acrylic, polycarbonate, or glass to improve light transmittance. However, opaque acrylic, polycarbonate, or glass may be used to prevent glare. Various colors of acrylic, polycarbonate or glass may be used to exhibit various lighting effects.

A cover flange 22 is formed on the cover 20. The cover flange 22 is formed in a ring shape that protrudes integrally on the upper surface of the entire periphery of the edge of the cover 20 and protrudes on the cover flange 22. Cover coupling portion 50 is configured.

The cover coupling portion 50 is composed of a coupling guide 52 and the engaging projection 51, the coupling guide 52 is formed in a plate shape consisting of a protruding integrally extending perpendicular to the cover flange 22, the engaging projection ( 51 is configured in the shape of a bar that is configured to protrude horizontally integrally to the cover flange 22 at one end of the coupling guide 52.

The overall shape of the cover coupling portion 50 is a rectangular parallelepiped coupling protrusion protruding to the front one side of the coupling guide 52 is formed in a rectangular plate shape by the configuration of the coupling guide 52 and the coupling protrusion 51. The 51 is formed integrally.

Side of the cover coupling portion 50 is a 'b' shape and the front is a square or a rectangle formed on the top of the rectangular shape as a cross-section of the portion having the engaging projection 51 'a' shape and the engaging projection 51 The cross-section of the portion without), that is, the portion with only the coupling guide 52, is in the '┃' shape.

Since the protrusion insertion groove 42 described above is formed with a groove in the vertical direction of the cylindrical inner circumferential surface, the inner circumferential surface of the cylinder is configured to protrude in the centrifugal direction so that the length of the engaging protrusion 51 inserted into the protrusion insertion groove 42 is the housing guide. It is configured to be larger than the length of the side guide 43-2 of 43 so that the end of the engaging projection 51 protrudes in the centrifugal direction of the cylinder from the cylindrical surface 11 of the housing 10, that is, the cylindrical inner surface of the housing 10. Thus, the engaging projection 51 is inserted into the projection settling hole 44 so that the cylindrical surface 11 of the housing 10 supports the engaging projection 51 so as not to be separated.

After the coupling protrusion 51 of the cover 20 is vertically inserted through the protrusion insertion groove 42 of the housing coupling portion 40, a handle configured at the upper portion of the cover 20, that is, the upper portion adjacent to the coupling protrusion 51. When the 53 is horizontally moved in the direction of the side guide 43-2, which is not formed perpendicularly to the projection insertion groove 42, that is, the horizontal rotation is moved in the direction of the side guide 43-2 with respect to the center of the housing 10. The cover 20 is fixed to the housing 10 by being placed in the projection settling 44.

Therefore, the coupling protrusion 51 inserted into the protrusion insertion groove 42 is configured in the same shape as the protrusion insertion groove 42 and the size of the external shape of the protrusion insertion groove 42 is the size of the external shape of the coupling protrusion 51. Slightly larger.

The handle 53 may not be configured in the upper portion of the cover 20, the coupling protrusion 51 is configured, but if this happens the distance between the handle 53 and the coupling protrusion 51 is far away, the handle 53 is a coupling protrusion ( 51 is not a preferred configuration because it does not play the role of an indicator, it is difficult to insert the engaging projection 51 into the projection insertion groove 42.

Since the cover coupling portion 50 and the housing coupling portion 40 are configured in the corresponding position with each other, it is preferable that the cover coupling portion 50 and the housing coupling portion 40 are configured in the same number, and the interval is symmetrical, that is, the interval is 180 °. It is preferable to configure this back and forth symmetry, that is, the interval is 180 degrees.

The cover coupling portion 50 and the housing coupling portion 40 may be composed of three to four, etc. In this case, since two human hands are two hands, three to four cover coupling portions 50 may be provided at the same time. ) Is not able to be inserted into the housing coupling portion 40, so that the handle is configured in two, so that it is difficult to couple the cover coupling portion 50 without the handle to the housing coupling portion 40, and the handle 53 is This is because the cover engaging portion 50, which is not configured, may be slightly sag when engaged.

Therefore, in the present invention, the cover coupling portion 50 is inserted and rotated in the housing coupling portion 40 so that the cover 20 is simply fastened and separated from the housing 10, and the binding and separation of the cover 20 is repeated. Even when the coupling function of the cover 20 is not lost, the cylindrical surface 11 of the housing 10 supports the engaging protrusion 51 so that the cover 20 is securely seated on the housing 10. There is.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by those equivalent to the claims.

1: led bulb 10: housing
12: housing flange 13: holding member
20: cover 21: floodlight
22: cover flange 30: LED module
31: LED 40: housing coupling
42: projection insertion groove 42-1: insertion groove side
42-2: Insertion groove front 43: Housing guide
43-1: Front Guide 43-2: Side Guide
44: protrusion settling 50: cover joint
51: engaging projection 52: coupling guide
53: handle

Claims (4)

In the ceiling-embedded LED bulb circular cover installation structure consisting of a housing for accommodating the LED module and the converter therein, and a cover mounted on the bottom of the housing,
The housing includes a housing coupling portion integrally formed with the lower inner circumferential cylindrical surface;
The cover includes a ring-shaped cover flange configured to integrally protrude from the upper surface of the edge, a plate-shaped coupling guide configured to extend integrally perpendicular to the cover flange, and a horizontally integrally protruding extension to the cover flange at one end of the coupling guide. A cover coupling portion configured with a bar-shaped coupling protrusion configured;
The coupling guide is placed on the front surface of the housing guide, and the coupling protrusion is settled on the protrusion settling hole formed between the inner circumferential cylindrical surface of the housing and the housing guide;
And the cover coupling portion is inserted into the housing coupling portion so that the coupling protrusion is supported on the front surface of the housing so that the cover is fixed to the housing.
The method of claim 1,
The housing engaging portion is spaced apart from the bottom end of the projection insertion groove and the bottom of the projection insertion groove, the projection insertion groove of the vertical groove in which the inner peripheral cylindrical surface is coupled to the LED module on the cover side at a predetermined distance and a portion of the inner cylindrical surface of the housing is the center A housing guide configured to protrude in a direction;
And the cover coupling part is seated and supported by the inner circumferential cylindrical surface of the housing and the housing guide so that the cover is fastened to the housing.
delete 3. The method of claim 2,
The projection insertion groove is composed of a plate-shaped insertion groove side which is spaced apart at regular intervals from the end of the lower cylindrical inner circumferential surface of the housing projecting toward the center of the housing, and a front surface of the plate-shaped insertion groove connecting the ends of the pair of insertion groove side;
The housing guide is composed of a plate-shaped side guide which is spaced at a predetermined interval from the inner circumferential cylindrical surface of the housing and protrudes toward the center of the housing, and a plate-shaped front guide connecting the ends of the pair of side guides;
A protrusion settling hole configured to penetrate a side surface of the housing between the protrusion insertion groove and the housing guide;
The ceiling recessed LED bulb round cover, characterized in that the engaging projection extending to one side of the coupling guide in the projection insertion groove is inserted vertically and placed in the projection settled by the horizontal rotation of the engaging projection is fixed to the housing. Installation structure.

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