KR101344210B1 - Compact led lamp - Google Patents

Abstract

The present invention relates to a compact LED lamp facilitating assembly work, and includes the following components: a base (110) composed of a side wall (111) and a roof (112); a heat sink (120) which is composed of a planar heat-releasing part (121) and a heat-releasing fin (122), and gets in contact with the bottom of the side wall (111); an LED circuit board (130) which gets in contact with the planar heat-releasing part (121) through its surface, and where an LED module (131) composed of multiple LEDs is mounted; and a light-transmitting cover (140) covering the LED circuit board (130). The light-transmitting cover (140) is composed of a cover part (141) and multiple fixing ribs (142) which are integrated with and protrude upward from the outer edge of the cover part (141). A through-hole (123), where a fixing rib (142) passes through, is formed in the planar heat-releasing part (121) at a position corresponding to the fixing rib (142). An insertion hole (113) is vertically formed in the side wall (111) at a position corresponding to the through-hole (123). The fixing rib (142) passes through the through-hole (123) and is inserted into the insertion hole (113), and therefore, the light-transmitting cover (140), the heat sink (120), and the base (110) are combined together. According to this, the present invention can improve heat release efficiency and assembly productivity, thereby reducing production cost.

Description

Compact LED Lamp with Improved Assembly Workability {COMPACT LED LAMP}

The present invention relates to an LED lamp, and more particularly, to a compact LED lamp with improved assembly workability to increase the heat dissipation efficiency and to improve the assembly productivity of the product to lower the cost.

In general, various lighting apparatuses using LEDs (LEDs) as light sources have been disclosed, and a technique employing various heat dissipation means for dissipating heat generated from LEDs has been introduced.

Representative among them is a "screw-coupled LED lighting lamp" according to Utility Model Registration No. 20-0453761 is disclosed.

"Screw-coupled LED light" according to the registration room No. 20-0453761 is described in detail in the registration publication, so a detailed description thereof will be omitted.

By the way, the "screw-coupled LED lighting lamp" according to the registration room No. 20-0453761 as described above had the following problems.

First, there is a problem that the number of parts of the product increases, as the number of parts of the product increases, as the heat radiation member is exposed to the outside, thereby significantly lowering the assembly work productivity. Due to these problems, there was a problem in that the price competitiveness of the product was increased and the price competitiveness was weakened.

In addition, the heat radiation member forms a frame and the heat radiation fin is formed on the frame, so that the efficiency of conducting heat from the LED substrate to the heat radiation member is reduced.

The present invention was created to solve the problems of the prior art as described above, the purpose of the compact LED lamp improved assembly workability according to the present invention,

First, simply attach the fixing ribs while raising the floodlight cover so that the floodlight cover can be fastened to the base and the heat sink can be fixed at the same time, so that the product assembly work can be completed in one operation. Reduce labor and improve assembly workability to increase product productivity,

Second, the LED substrate is mounted in the area of the planar heat dissipation unit and the planar heat dissipation unit and the LED substrate are brought into contact with the face-to-face, so that the heat conductivity generated by the heat generated from the LED substrate is conducted to the planar heat dissipation unit, thereby increasing heat dissipation efficiency.

Third, the LED board on which the high heat generating element is mounted is mounted so as to be in surface contact with the heat dissipating part on the surface of the heat sink while being covered by the floodlight cover. By mounting it on, the heat dissipation of the high heat-generating component element can be kept smooth while the thickness of the product can be reduced and the overall size of the product can be reduced.

Fourth, by adopting the elastic catching piece and the board mounting groove, the built-in PCB can be easily and conveniently seated in the base board mounting groove of the base, and once the board is mounted in the board mounting groove, the built-in PCB shakes or the occurrence of play To ensure reliable mounting without

Fifth, by allowing the substrate fixing piece to hold the LED substrate in the process of fixing the floodlight cover to the base, it is possible to attach the LED substrate to the planar radiator without any additional means for attaching or fastening the LED substrate to the planar radiator. In addition, it is possible to assemble the entire product including the LED board by only one assembly operation of fitting the fixed rib to the base.

Sixth, by enabling the direct mounting of the LED lamp of the present invention on the object to be directly attached to the object to improve the mounting workability to the object,

Seventh, by adding a built-in member to improve the installation workability of the LED lamp, and also to facilitate the replacement and maintenance of the LED lamp quickly,

Eighth, the present invention provides a compact LED lamp having improved assembly workability, which is suitable to be installed with a screw-type socket by forming a screw socket connection part in a base.

Compact LED lamps improved assembly workability of the present invention for achieving the above object, the base consisting of a side wall and a loop and formed to be open downward in the direction of the LED module; A heat sink configured to include a planar heat dissipation unit and a plurality of heat dissipation fins protruding radially outwardly from the planar heat dissipation unit and provided at a lower end of the base sidewall to expose the heat dissipation fins to outside air; An LED substrate provided with an in-plane contact with the planar heat radiating unit and mounted with an LED module including a plurality of LEDs; It is configured to include a floodlight cover for covering the LED substrate,

The floodlight cover is composed of a cover portion surrounding the LED substrate and a plurality of fixed ribs integrally formed upwardly in the direction of the base from the outer periphery of the cover portion,

The planar heat dissipation portion is formed with a passage hole through which the fixed ribs pass at a position corresponding to the fixed ribs,

The side wall has a fitting hole formed in a vertical direction at a position corresponding to the through hole,

The fixing rib penetrates the through hole and is fitted into the fitting hole, so that the floodlight cover, the heat sink, and the base are fastened to each other.

Compact LED lamp with improved assembly workability of the present invention having the configuration as described above has the following effects.

First, by simply mounting the fixing rib while raising the floodlight cover, the floodlight cover can be fastened to the base and the heat sink can be fixed at the same time, so that the product assembly work can be completed in one operation. As a result, the productivity of the product can be increased by reducing the number of assembly times and improving workability.

Second, the LED substrate is mounted within the area of the planar radiator and the planar radiator and the LED substrate are in contact with each other so that the heat conductivity generated by the LED substrate is conducted to the planar radiator, thereby increasing heat dissipation efficiency. .

Third, the LED board on which the high heat generating element is mounted is mounted so as to be in surface contact with the heat dissipating part on the surface of the heat sink while being covered by the floodlight cover. By being mounted on, the heat dissipation of the high heat-generating component element can be maintained smoothly while reducing the thickness of the product and reducing the overall size of the product.

Fourth, by adopting the elastic catching piece and the substrate seating groove, there is an effect that it can be easily and conveniently mounted on the substrate seating groove of the base, and once mounted on the board seating groove, the built-in PCB shakes or gaps There is an effect that can be mounted stably without the occurrence of.

Fifth, by allowing the substrate fixing piece to hold the LED substrate in the process of fixing the floodlight cover to the base, it is possible to attach the LED substrate to the planar radiator without any additional means for attaching or fastening the LED substrate to the planar radiator. In addition, there is also an effect that can be assembled as a whole product including the LED substrate by only one assembly operation by fitting the fixing rib to the base.

Sixth, there is an effect that can improve the mounting workability to the to-be-attached by being able to directly mount the LED lamp of the present invention to the to-be-attached by using the direct attachment member.

Seventh, there is an effect to improve the installation workability of the LED lamp by additionally configuring the built-in member, and also has an effect that can quickly and easily replace and maintain the LED lamp.

Eighth, there is an effect that can be installed with the screw-in socket by configuring a screw socket connection to the base.

1 is an exploded bottom perspective view of a compact LED lamp with improved assembly workability according to an embodiment of the present invention.
Figure 2 is a perspective view of the combined bottom of FIG.
3 is a cutaway sectional view of FIG. 2.
4 is a perspective view of a modified embodiment of the floodlight cover 140 in FIG.
5 is a cross-sectional view illustrating main parts of the LED lamp when the floodlight cover 140 according to the modified embodiment disclosed in FIG. 4 is employed.
6 is a bottom perspective view of a compact LED lamp with improved assembly workability according to another embodiment of the present invention.
FIG. 7 is a perspective view illustrating main parts of the direct attachment member 150 fastened to the base 110 in the compact LED lamp having improved assembly workability according to the embodiment of FIG. 6.
8 is a perspective view of a compact LED lamp with improved assembly workability according to another embodiment of the present invention.
9 and 10 are exploded main perspective views of the built-in member 160 and the base 110 in the compact LED lamp with improved assembly workability according to the embodiment disclosed in FIG.
11 is a side view of a compact LED lamp improved assembly workability according to another embodiment of the present invention.
12 is an exploded perspective view illustrating main parts of the socket type connector 170 and the socket 10 of the base 110 in the compact LED lamp having improved assembly workability according to the embodiment of FIG. 11.

The following will be described in detail with reference to the accompanying drawings a preferred embodiment of the compact LED lamp improved assembly workability of the present invention.

As shown in Figures 1 to 3, the compact LED lamp with improved assembly workability according to an embodiment of the present invention, the side wall 111 and the loop 112 is composed of the direction of the LED module 131 The base 110 and the planar heat dissipation part 121 and a plurality of heat dissipation fins 122 protruding radially outwardly from the planar heat dissipation part 121 and the heat dissipation fins 122 The heat sink 120 is provided in contact with the lower end of the side wall 111 of the base 110 so as to be exposed to the heat sink 120 to dissipate heat of the LED substrate 130, and the planar heat dissipation portion 121 of the heat sink 120 in plan view. And a floodlight cover 140 covering the LED substrate 130 and the LED substrate 130 on which the LED module 131 including a plurality of LEDs is mounted. 140 is substantially hemispherical and the cover portion 141 which covers the LED substrate 130 and the outside of the cover portion 141. Consists of open, a plurality of fixing ribs (142) formed integrally extending upwardly in a direction in which the base 110,

A pass hole 123 through which the fixing rib 142 passes at a position corresponding to the fixing rib 142 is formed in the planar heat radiating part 121 of the heat sink 120, and the side wall 111 is formed in the heat sink 120. The fitting hole 113 is formed in a vertical direction at a position corresponding to the through hole 123,

The fixing rib 142 of the floodlight cover 140 penetrates the through hole 123 and is fitted into the fitting hole 113 to thereby cover the floodlight cover 140, the heat sink 120, and the base 110. It is characterized in that the mutual fastening.

According to the configuration as described above, simply by inserting the fixing rib 142 while raising the floodlight cover 140 is fastened to the base cover 110 and at the same time the heat sink 120 is fixed therebetween In addition, there is an advantage that the product assembly can be completed in a single operation, and as a result, there is an advantage in that the productivity of the product is increased by reducing the assembly labor of the product and improving the assembly workability.

As shown, since the LED substrate 130 is mounted in the area of the planar heat dissipation part 121, and the planar heat dissipation part 121 and the LED substrate 130 are in contact with each other in a face-to-face, in the LED substrate 130 There is an advantage that the heat radiation efficiency is increased by increasing the conductivity of the generated heat.

In the compact LED lamp with improved assembly workability according to an embodiment of the present invention, the fixing rib 142 is formed with a first screw hole 144, the second screw screwed with the first screw hole 144 The screw hole 114 is formed in the side wall 111 so as to communicate with the fitting hole 113, and the first fastening screw for screwing the first screw hole 144 and the second screw hole 114 (not shown) C) further comprises.

According to this, there is an advantage that the tightening force between the fixed rib 142 and the base 110 can be further enhanced.

In this case, in order to ensure the screwing of the first fastening screw, a boss having a third screw hole 115a communicating with the fitting hole 113 and screwed to the second screw hole 114 on the inner circumferential surface of the side wall 111 ( 115) is formed.

In the compact LED lamp with improved assembly workability according to an embodiment of the present invention, the substrate mounting groove 116 is formed on the inner surface of the base 110 loop 112, the LED substrate 130 It is further provided with a built-in PCB (C1) that is energized and is mounted on the substrate seating groove 116, the LED substrate 130 is a switching device (not shown) (for example MOSFET) and LED driver (not shown) ) And a high heat generating component device including a diode (not shown), and the low heat generating component device 221 which is a component device other than the high heat generating component device is mounted on the built-in PCB C1.

As described above, the present invention classifies the component elements of the LED lamp into two types, that is, the high heat-generating component element and the low heat-generating component element, and the component elements classified into two kinds on the basis of the heat generation characteristics, respectively, according to the characteristics of the LED substrate. 130 and the built-in PCB (C1) has a configuration, there is an advantage that can reduce the size, particularly the height of the product than when mounting all the component elements on one LED substrate 130.

That is, the LED substrate 130 on which the high heat generating component is mounted is mounted so as to be in surface contact with the heat dissipating portion 121 of the heat sink while being enveloped by the transparent cover 140, and the low heat generating component does not need any heat dissipation. By mounting the built-in PCB (C1) provided in the inner space of the base 110, it is possible to reduce the volume of the product while maintaining the heat dissipation of the high heat-generating component element smoothly.

In addition, following the compact LED lamp having improved assembly workability according to an embodiment of the present invention, an elastic catching piece 117 is formed around the substrate seating groove 116, and the elastic catching piece 117 is provided. The guide surface 117a for guiding the internal PCB C1 to be smoothly seated in the substrate seating groove 116 is inclined, and the internal PCB C1 provided with seating on the guide surface 117a is provided. It is characterized in that the locking step (117b) is formed.

According to the configuration as described above, there is an advantage that the internal PCB (C1) can be easily and conveniently mounted in the inner substrate seating groove 116 of the base 110, once mounted in the substrate seating groove 116 once After that, since the elastic locking piece 117 is firmly grasped with elasticity, there is an advantage that the built-in PCB C1 may be stably mounted without shaking or occurrence of play.

4 is a perspective view of a modified embodiment of the floodlight cover 140, Figure 5 is a cross-sectional view of the main portion of the LED lamp when employing the floodlight cover 140 according to the modified embodiment disclosed in FIG. It is.

In the compact LED lamp with improved assembly workability according to the modified embodiment of the present invention shown in Figures 4 and 5, the fixing rib 142 is fixed to the fitting hole 113 so that the floodlight cover 140 is the base In the case of fastening to the 110, the LED substrate 130 is further configured to include a substrate fixing piece 143 protruding inwardly from the fixing rib 142 so as to be fixed by surface contact with the planar heat dissipation part 121. It is characterized by.

According to this, since the substrate fixing piece 143 grasps the LED substrate 130 in the process of fitting the floodlight cover 140 to the base 110, the LED substrate 130 is in surface contact with the planar heat dissipation portion 121. It can be fixed at, so that the surface of the LED substrate 130 without the attachment means (for example, thermal conductive adhesive or adhesive tape) or fastening means (for example bolt) for attaching the LED substrate 130 to the planar heat radiating portion 121 It can be attached to the heat dissipation unit 121, and also including the LED substrate 130 by only one assembly operation to fit the fixing rib 142 of the floodlight cover 140 to the fitting hole 113 of the base 110. The ability to assemble the entire configuration has the advantage of improving productivity.

6 is a bottom perspective view of the compact LED lamp with improved assembly workability according to another embodiment of the present invention, Figure 7 is a compact LED lamp with improved assembly workability according to the embodiment shown in FIG. A perspective view of the main part of the state in which the adhesive member 150 is fastened to the base 110 is illustrated.

6 and 7, the compact LED lamp having improved assembly workability according to another embodiment of the present invention is formed to protrude outward from the outer circumferential surface of the side wall 111 of the base 110. A direct attachment member 150 mounted on water (not shown) is further included, and the first attachment hole 151 is formed in the direct attachment member 150.

According to this, since the LED lamp of the present invention can be directly mounted on the object to be attached (not shown) by using the direct attachment member 150, the advantage that the mounting workability when the LED lamp is mounted on the object is improved. have.

FIG. 8 is a perspective view of a compact LED lamp having improved workability according to another embodiment of the present invention, and FIGS. 9 and 10 show compact LEDs having improved workability according to the embodiment disclosed in FIG. 8. The exploded perspective view of the built-in member 160 and the base 110 in the lamp is shown.

As shown in Figure 8 to 10, the compact LED lamp with improved workability according to another embodiment of the present invention, the body portion 118a and the head portion in the loop 112 of the base 110 A pair of locking fixing rods 118 consisting of 118b protrudes upward, and a pair of locking holes 162 for locking the locking fixing rods 118 are symmetrically formed 163. And a built-in member 160 formed in the upper part, and the locking hole 162 passes through the head 118b to insert the locking information 118 into the locking hole 162. It is characterized in that the inlet (162a) and the narrower than the inlet 162a is formed by a locking portion (162b) for fixing the locking rod 118 by walking.

The built-in member 160 is formed with a second mounting hole 161 for mounting on a mounting object (not shown).

According to the configuration as described above, after the built-in member 160 is installed to the object to be attached (not shown), if the LED lamp with the locking fixing rod 118 is fixed to the built-in member 160, the present invention Since the LED lamp is mounted on the fixed object, there is an advantage that the installation workability of the lamp is improved.

In addition, in the case of replacing the lamp for the end of the life or failure of the LED lamp, or removing the lamp for lamp inspection, it is possible to easily remove it from the built-in member 160 by simply turning the base 110, In the case of fitting, since the base 110 is pushed up and then rotated in the opposite direction, it can be easily fixed and locked, so that the replacement and maintenance work of the LED lamp can be easily performed.

11 is a side view of the compact LED lamp with improved assembly workability according to another embodiment of the present invention, Figure 12 is a compact LED lamp with improved assembly workability according to the embodiment disclosed in FIG. An exploded perspective view of the screw socket connection 170 of the base 110 and the socket 10 is shown.

11 and 12, the compact LED lamp with improved assembly workability according to another embodiment of the present invention, can be connected to the screw-type socket 10 is connected to the commercial AC power supply screw type. It characterized in that it is configured to further include a screw-type socket connecting portion 170 protruding upward from the loop 112 of the base 110.

According to this, since the LED lamp of the present invention can be used by being inserted into the screw-type socket 10, there is an advantage that the use range is extended.

The following describes the operation of the compact LED lamp with improved assembly workability according to the present invention having the configuration as described above.

First, a process of assembling the embedded PCB C1 will be described.

When the embedded PCB (C1) is pushed up from the bottom, the built-in PCB (C1) is raised up by the guide surface (117a), at which time the elastic catching piece 117 is opened to the outside by elasticity, the embedded PCB (C1) is the substrate It is provided in the seating groove 116, and is finally fixed by the hooking jaw (117b).

Next, the assembly process of the product will be described.

When the fixing rib 142 of the floodlight cover 140 is inserted into the fitting hole 113 through the through hole 123 of the planar heat dissipation part 121, the floodlight cover 140 is fitted into the base 110 and heat sink simultaneously. 120 is fixed between the base 110 and the floodlight cover 140 to complete the assembly of the product.

Next, a product installation operation according to the embodiment shown in FIGS. 8 to 10 will be described.

First, the built-in member 160 is fixed to a fixture such as a ceiling or a wall of a building by using a bolt or the like.

Thereafter, the locking fixing bar 118 of the base 110 is fixed to the locking hole 162 of the built-in member 160, which will be described in more detail.

As shown in FIG. 10, when the locking bar 118 is aligned with the opening 162a of the locking hole, the diameter of the opening 162a of the locking hole is wider than that of the head 118b of the locking bar 118. Therefore, the locking bar 118 rises upward through the inlet 162a, and then turns the base (ie, the LED lamp) counterclockwise (see FIG. 10) so that the head 118b is caught by the locking part 162b. The lamp is fixed to the built-in member.

11 and 12, the LED lamp is turned on the socket 10 when the screw socket connection portion 170 provided on the base 110 is turned while being inserted into the external threaded socket 10. Screwed together.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is self-evident to those who have.

Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

110: base 111: side wall of the base
112: loop of base 113: fitting hole in side wall
114: second screw hole in the side wall 115: boss
115a: third threaded hole of the boss 116: substrate seating groove
117: elastic engaging piece 117a: guide surface
117b: Jamming C1: Embedded PCB
118: locking rod 118a: body portion
118b: head 120: heat sink
121: planar heat dissipation part 122: heat dissipation fin
123: through-hole of the surface heat radiation portion 130: LED substrate
131: LED module 140: floodlight cover
141: cover portion 142: fixed rib
143: substrate fixing piece 144: first screw hole of the fixing rib
150: direct attachment member 151: first mounting hole
160: built-in member 161: second mounting hole
162: locking hole 162a: entrance of the locking hole
162b: locking portion of the locking hole 163: lower surface of the built-in member
170: screw socket connection 10: screw coupling socket

Claims (4)

delete A base 110 composed of a side wall 111 and a loop 112 and formed downwardly in a direction in which the LED module 131 is located;
Comprising a planar heat dissipation unit 121 and a plurality of heat dissipation fins 122 protruding radially outward from the planar heat dissipation unit 121, sidewalls of the base 110 to expose the heat dissipation fins 122 to outside air 111 is provided at the bottom of the heat sink 120 to dissipate heat of the LED substrate 130;
An LED substrate 130 provided in contact with the surface heat dissipation part 121 in a plane shape and mounted with an LED module 131 including a plurality of LEDs;
It is configured to include a floodlight cover 140 for covering the LED substrate 130,
The floodlight cover 140 integrally extends upwardly in a direction in which the cover part 141 surrounding the LED substrate 130 and the base 110 is located at the outer circumference of the cover part 141. It consists of a fixed rib 142,
The surface heat dissipation part 121 is formed with a through hole 123 through which the fixing rib 142 passes at a position corresponding to the fixing rib 142.
The side wall 111 is provided with a fitting hole 113 in a vertical direction at a position corresponding to the through hole 123,
As the fixing rib 142 penetrates the through hole 123 and is fitted into the fitting hole 113, the floodlight cover 140, the heat sink 120, and the base 110 are fastened to each other.
A substrate seating groove 116 is formed on an inner surface of the base 110 loop 112.
It is further provided with a built-in PCB (C1) that is in electricity supply with the LED substrate 130 and is provided in the substrate seating groove 116,
The LED substrate 130 is mounted with a high heat generating component device including a switching device, LED driver and diode,
The built-in PCB (C1) is a compact LED lamp with improved assembly workability, characterized in that the low heat generating element 221 which is a component other than the high heat generating element is mounted.
A base 110 composed of a side wall 111 and a loop 112 and formed downwardly in a direction in which the LED module 131 is located;
Comprising a planar heat dissipation unit 121 and a plurality of heat dissipation fins 122 protruding radially outward from the planar heat dissipation unit 121, the side wall (side) of the base 110 so that the heat dissipation fin 122 is exposed to the outside air ( 111 is provided at the bottom of the heat sink 120 to dissipate heat of the LED substrate 130;
An LED substrate 130 provided in contact with the surface heat dissipation part 121 in a plane shape and mounted with an LED module 131 including a plurality of LEDs;
It is configured to include a floodlight cover 140 for covering the LED substrate 130,
The floodlight cover 140 integrally extends upwardly in a direction in which the cover part 141 surrounding the LED substrate 130 and the base 110 is located at the outer circumference of the cover part 141. It consists of a fixed rib 142,
The surface heat dissipation part 121 is formed with a through hole 123 through which the fixing rib 142 passes at a position corresponding to the fixing rib 142.
The side wall 111 is provided with a fitting hole 113 in a vertical direction at a position corresponding to the through hole 123,
As the fixing rib 142 penetrates the through hole 123 and is fitted into the fitting hole 113, the floodlight cover 140, the heat sink 120, and the base 110 are fastened to each other.
Compact LED lamp with improved assembly workability is characterized in that it further comprises a direct member 150 is formed to protrude outward from the outer circumferential surface of the side wall 111 of the base 110 to be mounted on the object.
A base 110 composed of a side wall 111 and a loop 112 and formed downwardly in a direction in which the LED module 131 is located;
Comprising a planar heat dissipation unit 121 and a plurality of heat dissipation fins 122 protruding radially outward from the planar heat dissipation unit 121, sidewalls of the base 110 to expose the heat dissipation fins 122 to outside air 111 is provided at the bottom of the heat sink 120 to dissipate heat of the LED substrate 130;
An LED substrate 130 provided in contact with the surface heat dissipation part 121 in a plane shape and mounted with an LED module 131 including a plurality of LEDs;
It is configured to include a floodlight cover 140 for covering the LED substrate 130,
The floodlight cover 140 integrally extends upwardly in a direction in which the cover part 141 surrounding the LED substrate 130 and the base 110 is located at the outer circumference of the cover part 141. It consists of a fixed rib 142,
The surface heat dissipation part 121 is formed with a through hole 123 through which the fixing rib 142 passes at a position corresponding to the fixing rib 142.
The side wall 111 is provided with a fitting hole 113 in a vertical direction at a position corresponding to the through hole 123,
As the fixing rib 142 penetrates the through hole 123 and is fitted into the fitting hole 113, the floodlight cover 140, the heat sink 120, and the base 110 are fastened to each other.
In the loop 112 of the base 110, a pair of locking rods 118 consisting of a body portion 118a and a head portion 118b protrude upwards,
A pair of locking holes 162 for locking the locking bar 118 is symmetrically configured to further include a built-in member 160 formed on the lower surface (163),
The locking hole 162 is formed to have a width narrower than the inlet 162a and the inlet 162a to be inserted through the head portion 118b and the locking portion 162b to secure the hook fixing rod 118 by walking. Compact LED lamp with improved assembly workability, characterized in that consisting of.

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