Electrical appliances

Abstract

To provide an electric apparatus which can be easily compactified, and which has favorable assemblability.SOLUTION: A lighting fixture includes a first holding part and a second holding part, and a terminal block 70 held between the first holding part and the second holding part. The terminal block 70 has an internal terminal in which wiring is electrically connected, and a case 195 for storing the internal terminal. The case 195 includes: a cover 110 having insertion holes 72, 73 of the wiring and a locking part for body; and a body 130 having a locking part for cover which is locked to the locking part for body. The case 195 includes a first locking part on a first opposed surface opposed to the first holding part, and a second locking part on a second opposed surface opposed to the second holding part. The first holding part has a first locking part for cover which is locked to the first locking part, and the second holding part has a second locking part for cover which is locked to the first locking part.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present disclosure relates to an electrical appliance including a terminal block.

Background Art

[0002] Conventionally, there is an electrical appliance described in Patent Document 1. This electrical appliance includes an LED socket including an LED mounted on a substrate and a power supply terminal block attached to a terminal block mounting plate. In this electrical appliance, an external power is supplied to the LED by extending a lead wire electrically connected to the LED from the LED socket and electrically connecting it to the power supply terminal block.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Conventionally, the power supply terminal block is screwed to a terminal block fixing portion such as a terminal block mounting plate. However, when the power supply terminal block is fixed using screws, the assemblability of the electrical appliance deteriorates and the electrical appliance tends to be enlarged. Therefore, an object of the present disclosure is to provide an electrical appliance that is easily made compact and has good assemblability.

Means for Solving the Problems

[0005] To solve the above problems, the electrical appliance according to the present disclosure comprises a first clamping portion and a second clamping portion, and a terminal block that is clamped by the first clamping portion and the second clamping portion and electrically connects external wiring to a power supply device, wherein the terminal block has terminals to which the wiring is electrically connected and a case that houses the terminals, wherein the case has a cover having a wiring insertion port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body, wherein the case has a first locking portion on a first opposing surface facing the first clamping portion and a second locking portion on a second opposing surface facing the second clamping portion, wherein the first clamping portion has a first case locking portion that is locked to the first locking portion, and the second clamping portion has a second case locking portion that is locked to the second locking portion.

[0006] Furthermore, the electrical appliance according to this disclosure comprises a terminal block that is clamped by a first clamping portion and a second clamping portion and electrically connects external wiring to a power supply device, the terminal block having terminals to which the wiring is electrically connected, and a case that houses the terminals, the case having a cover having a wiring insertion opening and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body, at least one of the first clamping portion and the second clamping portion is connected to a side wall portion having an opposing surface facing the side surface extending in the direction of extension of the insertion opening in the terminal block, and is integrally formed with the side wall portion, the case is side The surface has a first locking portion, and the side wall portion has a case locking portion that locks into the first locking portion. [Effects of the Invention]

[0007] According to this disclosure, it is possible to realize electrical appliances that are easy to make compact and have good assembly capabilities. [Brief explanation of the drawing]

[0008] [Figure 1] This is a perspective view of a lighting fixture according to one embodiment of the electrical appliances of this disclosure. [Figure 2] This is an exploded perspective view of a lighting fixture. [Figure 3] This is a perspective view of the light source module from the first oblique side. [Figure 4]This is a perspective view of the base member with the first and second locking pieces folded inward, as seen from the oblique second side. [Figure 5] This is a perspective view of the tabletop from the first oblique angle. [Figure 6] This is a perspective view of the wiring insertion side of the terminal block, seen from a diagonal rearward angle. [Figure 7] This is a perspective view of the terminal block's connection side to the power supply, seen from a diagonal front angle. [Figure 8] This is a perspective view of the terminal block cover, seen from the power supply side and the second oblique side. [Figure 9] This is a perspective view of the terminal block cover, seen from an oblique side angle. [Figure 10] This is a perspective view of the terminal block body as seen from the power supply side and the second oblique side. [Figure 11] This is a perspective view of the terminal block body as seen from the power supply side and the first oblique side. [Figure 12] This is a perspective view of the terminal block from the second oblique side. [Figure 13] This is a perspective view of the terminal block from the first oblique side. [Figure 14] This is a cross-sectional view of a terminal block when it is cut along a plane that includes the height and depth directions. [Figure 15] This is a cross-sectional view of the terminal block when it is cut in a plane that includes the height and depth directions, at a widthwise position different from that shown in Figure 14. [Figure 16] This is a cross-sectional view of the terminal block when it is cut in a plane that includes the height and depth directions, at a widthwise position different from that shown in Figures 14 and 15. [Figure 17] This is a perspective view of the terminal block cover. [Figure 18] This diagram illustrates how to attach a terminal block cover to a terminal block. [Figure 19] This is a perspective view illustrating the positioning of the terminal block relative to the base member. [Figure 20] This is a perspective view illustrating the insertion of a pair of terminal blades of a terminal block into a pair of blade receptacles of a power supply unit. [Figure 21] The perspective view when the connector of the power supply device is seen from the second side obliquely. [Figure 22] The sectional view including the height direction around the terminal block of the lighting fixture and the insertion direction of the terminal block. [Figure 23] The perspective view for explaining the locking structure of the top plate with respect to the base member.

Embodiments for Carrying out the Invention

[0009] Hereinafter, embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. In the following examples, unless otherwise specified, the longitudinal direction means the longitudinal direction of the substrate 61 having a substantially rectangular plate shape, and the width direction means the width direction of the substrate 61 unless otherwise specified. The longitudinal direction and the width direction are orthogonal to each other. Further, the height direction means the height direction of the lighting fixture 1, and the first orthogonal direction means the direction orthogonal to the height direction. The height direction coincides with the height direction of the terminal block 70, and in the present embodiment, it also coincides with the thickness direction of the substrate 61.

[0010] Further, in the following examples, the light-emitting side in the height direction of the lighting fixture 1 is referred to as the first side, and the side opposite to the light-emitting side in the height direction of the lighting fixture is referred to as the second side. Also, hereinafter, the circumferential direction means the circumferential direction of the frame body 10 (reflector) 40, and the radial direction means the circumferential direction of the frame body 10 (reflector) 40. Further, the second orthogonal direction means the direction orthogonal to the extending direction of the insertion ports 72 and 73 of the terminal block 70 described below.

[0011] Furthermore, if multiple embodiments or modifications are included below, it is anticipated from the outset that new embodiments may be constructed by appropriately combining their characteristic features. In addition, in the following embodiments, the same reference numerals are used for the same components in the drawings, and redundant explanations are omitted. Also, multiple drawings include schematic diagrams, and the dimensional ratios such as length, width, and height of each component do not necessarily match between different drawings. Furthermore, among the components described below, components that are not described in the independent claim indicating the highest-level concept are optional components and are not essential components.

[0012] Figure 1 is a perspective view of a lighting fixture 1 according to one embodiment of the electrical appliance of the present disclosure. As shown in Figure 1, the lighting fixture 1 is a downlight and comprises a plurality of mounting springs 5, a frame 10, a base member 50, and a top plate 80. The base member 50 covers a portion of the first surface on the first side of a substrate 61 (see Figure 2). Light emitted from a light-emitting unit 62 (see Figure 3), which is mounted on another portion of the first surface of the substrate 61, is emitted to the first side through the opening on the first side of the frame 10. The frame 10, base member 50, mounting springs 5, and top plate 80 are stacked in this order from the first side to the second side and are fixed to each other by a plurality of male screws 7 to form a single integrated unit.

[0013] Multiple mounting springs 5 ​​are installed at intervals in the circumferential direction. The mounting springs 5 ​​are made of, for example, a steel plate such as stainless steel, and are components that fix the lighting fixture 1 to the ceiling surface. The mounting springs 5 ​​have a bent portion 5b and have a leaf spring structure. The mounting springs 5 ​​are distorted so that the base portion 5a of the mounting springs 5 ​​extends along the periphery of the mounting hole (not shown) provided in the ceiling in the height direction of the mounting hole, and at least a part of it presses the inner circumferential surface of the mounting hole radially outward.

[0014] The mounting hole is, for example, a cylindrical hole provided in the ceiling and extending vertically. The stationary part 5c, located towards the tip of the base part 5a, extends radially outward from the mounting hole and is stationary in the space above the ceiling along the ceiling. In this way, the mounting spring 5, and consequently the lighting fixture 1, are fixed around the mounting hole.

[0015] Figure 2 is an exploded perspective view of the lighting fixture 1. As shown in Figure 2, the lighting fixture 1 comprises a frame 10, a packing 20, a cover 30, a reflector 40, a base member 50, a mounting spring 5, a light source module 60, a terminal block 70, and a top plate 80. The lighting fixture 1 is stacked in the following order from the first side in the height direction to the second side: frame 10, packing 20, cover 30, reflector 40, base member 50, mounting spring 5, light source module 60 and terminal block 70, and top plate 80, and then integrated as a single unit.

[0016] More specifically, the frame 10 has a cylindrical portion 11, a frustoconical portion 12, a flange 13, and a plurality of plate-like portions 14. The plurality of plate-like portions 14 are positioned at intervals in the circumferential direction. The plate-like portions 14 have a substantially rectangular planar shape and extend in a substantially first orthogonal direction (a direction perpendicular to the height direction), and have through holes 14a.

[0017] An annular packing 20 is placed on the second side of the flange 13. The packing 20 has a plurality of notches 22 that are spaced apart in the circumferential direction. The packing 20 is placed on the flange 13 such that the plurality of notches 22 overlap the plurality of plate-like portions 14 in the height direction. The packing 20 is made of an elastic material such as rubber.

[0018] The packing 20 is sandwiched between the flange 13 and the ceiling surface, ensuring airtightness between the flange 13 and the ceiling surface. The packing 20 has a plurality of plate-shaped ribs 21 that are spaced apart in the circumferential direction and extend radially. The radially outward ends of the ribs 21 contact the inner circumferential surface of the embedding hole, thereby preventing the central axis of the frame 10 from shifting away from the center of the embedding hole.

[0019] The main body 31 of the cover 30 is inserted into the cylindrical portion 11 of the frame 10 from the second side. The cover 30 has a main body 31 and a flange 32 connected to the second end of the main body 31. The main body 31 is made of a light-transmitting and light-diffusing resin, such as acrylic or polycarbonate, and has a portion exposed to the living room side to protect the light-emitting part 62. The main body 31 has a cylindrical shape in which the opening on the first side is closed by a dome-shaped sealing portion that is convex to the first side. The main body 31 has an outer diameter slightly smaller than the inner diameter of the cylindrical portion 11 of the frame 10 and is fitted and installed inside the cylindrical portion 11 of the frame 10.

[0020] The flange 32 has an outer diameter larger than the outer diameter of the cylindrical portion 11 of the frame 10. The flange 32 is placed on the second annular end of the cylindrical portion 11 when the main body 31 is fitted into the cylindrical portion 11. The flange 32 is made of an elastic and compressible elastic material, such as an elastomer or a rubber material such as silicone, and acts as a packing, providing a seal to prevent insect intrusion and to absorb tolerances in components such as the reflector 40.

[0021] The main body 31 and the flange 32 may be integrally formed by two-color molding, or they may be formed separately and then integrated by attaching the flange 32 to the main body 31 with adhesive or the like. The flange 32 has a plurality of notches 35 that open radially outward. The plurality of notches 35 are spaced apart in the circumferential direction. The plurality of plate-like portions 14 are fitted into the plurality of notches 35, and this fitting positions the cover 30 circumferentially with respect to the frame 10.

[0022] The reflector 40 is placed on top of the cover 30 from the second side. The reflector 40 is made of an opaque resin material or a steel plate. The reflector 40 has a cone-shaped (frustoconical) body 41, a plurality of ribs 42, and a plurality of protrusions 47. The body 41 has a tapered outer surface (e.g., a conical outer surface) 43 that widens towards the first side, and a tapered inner surface (not shown) that widens towards the first side. The tapered inner surface is a reflective surface that reflects light from the light-emitting part 62, and is, for example, smoothly mirror-finished. The tapered inner surface efficiently reflects light from the light-emitting part 62 towards the living room side and controls the light distribution from the light-emitting part 62.

[0023] Multiple ribs 42 are positioned at intervals in the circumferential direction. Each rib 42 has a protruding structure and projects radially outward from the tapered outer surface 43 of the main body 41, extending in the height direction. The radially outward end face of the rib 42 extends substantially parallel to the height direction. The protruding portion 47 projects to the second side from the second end face of the rib 42. The reflector 40 is fitted into the cover 30 through the opening on the flange 32 side of the cover 30, with its flared end facing the first side. This fitting is performed so that the circumferential position of the rib 42 substantially coincides with the circumferential position of the center of the through hole 14a of the plate-shaped portion 14 of the frame 10.

[0024] The base member 50 is superimposed on the reflector 40 from the second side. The base member 50 is made of steel plate and has a through hole 51 through which the reflector 40 passes. The through hole 51 includes a cylindrical hole 52 and a plurality of rib insertion holes 53 that communicate with the cylindrical hole 52 and extend radially outward from the cylindrical hole 52. The rib insertion holes 53 have a planar shape that corresponds to the planar shape of the ribs 42 of the reflector 40.

[0025] By fitting multiple ribs 42 into multiple rib insertion holes 53, the base member 50 becomes immobile relative to the reflector 40 and is positioned relative to the reflector 40. With the base member 50 positioned relative to the reflector 40, a portion of the second side of the reflector 40 protrudes from the through hole 51 to the second side.

[0026] The base member 50 has a plurality of mounting portions 54 on which the flat mounting portion 5d of the mounting spring 5 is placed. Two mounting portions 54 are positioned opposite each other in the width direction of the substrate 61, which has a substantially rectangular plate shape. The base member 50 further has a pair of two plate-shaped ribs 55 that project from each mounting portion 54 to the second side. The pair of plate-shaped ribs 55 are spaced apart in the longitudinal direction and spread out in directions including the width direction and the height direction. Through holes 57 (see Figure 4) are provided in the mounting portions 54, and through holes 5e are also provided in the mounting portion 5d of the mounting spring 5.

[0027] The mounting spring 5 is superimposed on the second side of the base member 50. Specifically, the mounting portion 5d is placed on the mounting portion 54 such that the through hole 5e of the mounting portion 5d coincides in the height direction with the through hole 57 of the mounting portion 54, and both longitudinal side edges of the mounting portion 5d abut against the pair of plate-shaped ribs 55. The pair of plate-shaped ribs 55 act as stoppers to prevent the mounting spring 5 from rotating relative to the base member 50.

[0028] Next, the light source module 60 is brought into contact with the base member 50 or the annular end face 29 on the second side of the reflector 40 that protrudes to the second side. Figure 3 is a perspective view of the light source module 60 when viewed from the oblique first side. As shown in Figure 3, the light source module 60 includes a substrate 61, a light-emitting unit 62 mounted on the first surface 61a of the first side of the substrate 61, and a power supply unit 63 mounted on the second surface 61b (see Figure 2) of the second side of the substrate 61. The light-emitting unit 62 includes, for example, a plurality of SMD (Surface Mount Device) type LED chips 62a, and the plurality of LED chips 62a are arranged, for example, at equal intervals on the same circle.

[0029] The light-emitting section may include a COB (Chip On Board) type LED chip. Alternatively, the light-emitting section may include a bullet-shaped LED or a FLUX type LED. Alternatively, the light-emitting section may include a semiconductor light-emitting element other than an LED. Alternatively, the light-emitting section may include a solid-state light-emitting element such as an organic EL (Electro-Luminescence) element or an inorganic EL element.

[0030] The power supply unit 63 includes a plurality of electronic components 63a, which include, for example, one or more capacitors and one or more coils. The power supply unit 63 converts AC power to DC power and steps down the voltage to a predetermined voltage. The light-emitting unit 62 is arranged at a distance from the power supply unit 63 in the longitudinal direction. The power supply unit 63 is not placed on the opposite side of the area where the light-emitting unit 62 is located, thereby improving the heat dissipation of heat emitted by the LED chip 62a.

[0031] The substrate 61 has a pair of through holes 65 on its first longitudinal side. The pair of through holes 65 are spaced apart in the width direction of the substrate 61. Referring to Figure 2, with the first surface 61a facing the first side, the light source module 60 is brought close to the reflector 40 from the second side, and the pair of protrusions 47 of the reflector 40 are fitted into the pair of through holes 65.

[0032] As a result, the light source module 60 becomes immobile relative to the reflector 40 and is positioned relative to the reflector 40. With the light source module 60 positioned relative to the reflector 40, the center of the second circular opening 33 of the reflector 40 and the center of the light-emitting part 62 coincide substantially in the height direction. Therefore, light that is substantially symmetrical in the circumferential direction is emitted from the frame 10.

[0033] The base member 50 has a bottom plate portion 56 (see Figure 4) and a pair of side wall portions 9 that protrude from both ends of the bottom plate portion 56 in the width direction to the second side in the height direction. The pair of side wall portions 9 have a pair of first locking pieces 58 and a pair of second locking pieces 59 that are spaced apart in the longitudinal direction. After positioning the light source module 60 relative to the reflector 40, as shown in Figure 4, the pair of first locking pieces 58 and the pair of second locking pieces 59 are folded inward in the width direction and locked to the second surface 61b of the substrate 61, thereby suppressing the bending of the second side of the substrate 61 when an external force is applied to the lighting fixture 1.

[0034] Next, the terminal block 70 is brought closer to the base member 50 from the second side and positioned on the base member 50. This positioning will be described in detail later. After that, the top plate 80 is brought closer to the base member 50 from the second side and fixed to the base member 50 with the top plate 80 covering the second side of the light source module 60.

[0035] Figure 5 is a perspective view of the top plate 80 from a first oblique side. As shown in Figure 5, the top plate 80 includes a first top plate section 81, a second top plate section 82, and a third top plate section 83. The first top plate section 81 covers the first longitudinal side of the light source module 60 and is located on the first height side, extending in a substantially first orthogonal direction. The second top plate section 82 connects to the second longitudinal side of the first top plate section 81. The second top plate section 82 is inclined to move towards the second height side as it moves towards the second longitudinal side. The third top plate section 83 connects to the second longitudinal side of the second top plate section 82 and extends in a substantially first orthogonal direction.

[0036] As a result, the height of the top plate 80 is higher on the second side in the longitudinal direction than on the first side. Therefore, the height of the side walls 84a of the top plate 80 is lower on the pair of side walls 84a on the first side in the longitudinal direction than on the pair of side walls 84b on the second side in the longitudinal direction, and the space that the top plate 80 accommodates is wider on the second side in the longitudinal direction than on the first side. The power supply unit 63 is placed in this wider space.

[0037] The top plate 80 further has a pair of plate-like portions 85 that extend outward in the width direction from the first end of a pair of side wall portions 84a. The plate-like portions 85 extend in a substantially first orthogonal direction. Each plate-like portion 85 has a through hole 88. The top plate 80 also has a recess 98 on the second side wall 97 in the longitudinal direction for fixing the terminal block 70. As shown in Figure 1, the top plate 80 is positioned on the mounting spring 5 such that the through holes 88 of the plate-like portions 85 overlap with the through holes 5e of the mounting portion 5d of the mounting spring 5 which is placed on the mounting portion 54 of the base member 50, and the plate-like portions 85 are constrained by the pair of ribs 55.

[0038] In this state, the through-hole 88 in the plate-like portion 85 of the top plate 80 not only overlaps with the through-hole 5e of the mounting spring 5 in the height direction, but also with the through-hole 57 of the mounting portion of the base member 50, and furthermore, with the through-hole 14a of the frame 10 in the height direction. By tightening the male screw 7 into the four overlapping through-holes 88, 5e, 57, and 14a in the height direction, all the components of the lighting fixture 1 are assembled and integrated as a single unit. When fixing the top plate 80 to the base member 50, it is positioned relative to the terminal block 70. This positioning will be described in detail later.

[0039] With all the components of the lighting fixture 1 assembled and integrated as a single unit, the first surface on the back of the portion of the circuit board 61 on which the light-emitting unit 62 is mounted is in close contact with the bottom surface of the first top plate 81. As a result, the heat emitted by the light-emitting unit 62 can be conducted to the first top plate 81, and by extension, to the entire top plate 80, which has a large heat capacity, and the heat emitted by the light-emitting unit 62 can be efficiently dissipated to the outside using the top plate 80, which is an essential component.

[0040] Next, the configuration of the terminal block 70 and its mounting structure will be described in detail. Figure 6 is a perspective view of the terminal block 70 when the wiring insertion side is viewed from the rear at an angle, and Figure 7 is a perspective view of the terminal block 70 when the connection side to the power supply unit 63 is viewed from the front at an angle. As shown in Figure 6, the terminal block 70 has a pair of first insertion slots 72, a pair of second insertion slots 73, and a tool insertion hole 79, which are spaced apart in the height direction.

[0041] The pair of first sockets 72 are spaced apart in the width direction (corresponding to the width direction of the substrate 61) and are located at the same height. The pair of second sockets 73 are also spaced apart in the width direction and are located at the same height. The tool insertion hole 79 is located in the center of the wiring insertion side of the terminal block 70. As shown in Figure 7, the terminal block 70 has a pair of terminal blades 71 that are spaced apart in the width direction.

[0042] One of the pair of first sockets 72 is used to electrically connect, for example, the ground wire of a commercial power supply (not shown) to one terminal blade 71, while the other of the pair of first sockets 72 is used to electrically connect the commercial power supply wire to the other terminal blade 71. One of the pair of second sockets 73 is a hole through which wiring electrically connected to the ground wire passes, and the other of the pair of second sockets 73 is a hole through which wiring electrically connected to the wire passes. The pair of second sockets 73 are used when installing multiple lighting fixtures 1 in a building to supply AC power from a commercial power supply to other lighting fixtures 1 via one lighting fixture 1.

[0043] As shown in Figure 6, the terminal block 70 comprises a resin cover 110, a resin body 130, and several electrical components including a pair of terminal blades 71. The cover 110 and the body 130 are integrated and joined together by a locking structure described below. Together, the cover 110 and the body 130 constitute the case 195.

[0044] Figure 8 is a perspective view of the cover 110 as seen from the power supply unit 63 side and the second oblique side, and Figure 9 is a perspective view of the cover 110 as seen from the oblique side. As shown in Figure 8, the cover 110 has a pair of first main body locking parts 111 located spaced apart in the width direction on the second side in the height direction, and a pair of second main body locking parts 112 located spaced apart in the width direction on the first side in the height direction. The first and second main body locking parts 111 and 112 each protrude towards the power supply unit 63 in the depth direction (coinciding with the longitudinal direction of the substrate 61).

[0045] The first and second main body locking portions 111 and 112 each have a rectangular plate shape. The first main body locking portion 111 is provided with a through hole 113 that is substantially rectangular in plan view, and the second main body locking portion 112 is provided with a through hole 114 that is substantially rectangular in plan view. As shown in Figure 9, the first main body locking portion 111 is slightly inclined towards the second side as it approaches the tip, and the second main body locking portion 112 is slightly inclined towards the first side as it approaches the tip. The first main body locking portion 111 is able to bend towards the second side in the height direction due to its elasticity, and the second main body locking portion 112 is able to bend towards the first side in the height direction due to its elasticity.

[0046] Figure 10 is a perspective view of the main body 130 as seen from the power supply unit 63 side and the second oblique side, and Figure 11 is a perspective view of the main body 130 as seen from the power supply unit 63 side and the first oblique side. As shown in Figure 10, the main body 130 has a pair of first cover locking parts 131 positioned spaced apart in the width direction on the second side in the height direction. The first cover locking parts 131 are composed of locking claws, and the second side surface 131a of the locking claws is an inclined surface that moves to the second side according to the row toward the power supply unit 63 in the depth direction.

[0047] Furthermore, as shown in Figure 11, the main body 130 has a pair of second cover locking parts 132 positioned at intervals in the width direction on the first side in the height direction. The second cover locking parts 132 are composed of locking claws, and the first side surface 132a of the locking claws is an inclined surface that moves toward the first side according to the row toward the power supply unit 63 in the depth direction.

[0048] The first and second cover locking portions 131 and 132 are provided at the ends of the main body 130 on the power supply unit 63 side in the depth direction. The first cover locking portion 131 is able to bend to the first side in the height direction due to its elasticity, and the second cover locking portion 132 is able to bend to the second side in the height direction due to its elasticity.

[0049] Figure 12 is a perspective view of the terminal block 70 from a second oblique angle, and Figure 13 is a perspective view of the terminal block 70 from a first oblique angle. As shown in Figures 12 and 13, by moving the main body 130 relative to the cover 110 to one side in the depth direction indicated by arrow A, the first cover locking part 131 is fitted into the through hole 113 of the first main body locking part 111, and the second cover locking part 132 is fitted into the through hole 114 of the second main body locking part 112, thereby engaging the main body 130 and the cover 110 together.

[0050] When engaging, the first and second main body locking parts 111, 112 are temporarily bent outward in the height direction, and the first and second cover locking parts 131, 132 are temporarily bent towards the center in the height direction. In this embodiment, when engaging, both the first and second main body locking parts 111, 112 and the first and second cover locking parts 131, 132 are bent in the height direction, so that the first and second main body locking parts 111, 112 and the first and second cover locking parts 131, 132 do not bend excessively during engagement and are less likely to be damaged during engagement.

[0051] Next, a brief explanation will be given of how to electrically connect external wiring (not shown) to the terminal blades 71. Figures 14, 15, and 16 are cross-sectional views of the terminal block 70 when it is cut in a plane including the height and depth directions at different positions in the width direction relative to each other.

[0052] As shown in Figure 14, the terminal block 70 has a first biasing member 151 and a second biasing member 152 made of metal for each of the sockets 72 and 73, which bias external wiring (not shown) to an internal terminal 153 electrically connected to the terminal blade 71. The first biasing member 151 is positioned at a distance in the depth direction from the second biasing member 152, and the second biasing member 152 is positioned closer to the sockets 72 and 73 in the depth direction than the first biasing member 151.

[0053] As shown in Figures 6 and 15, the terminal block 70 is equipped with a pressing member 159 that is pressed toward the power supply unit 63 in the depth direction by the tip of a tool such as a flathead screwdriver inserted through a tool insertion hole 79. As shown in Figures 15 and 16, the pressing member 159 is connected to the second biasing member 152 via connecting members 162, 163, and 164. Due to this connecting mechanism, when the pressing member 159 is pressed toward the power supply unit 63 in the depth direction by a tool, the second biasing member 152 tilts toward the center in the height direction, and the gap between the second biasing member 152 and the internal terminal 153 in the height direction increases.

[0054] In this state, the external wiring is inserted into the sockets 72 and 73, and the end of the wiring is pushed between the first biasing member 151 and the internal terminal 153. Then, by withdrawing the tool from the sockets 72 and 73, the wiring is clamped and fixed between the first and second biasing members 151 and 152 and the internal terminal 153, and as a result, the wiring is electrically connected to the terminal blade 71 which is electrically connected to the internal terminal 153. Any structure used in known terminal blocks may be used as the structure for electrically connecting the external wiring to the internal terminal of the terminal block.

[0055] Figure 17 is a perspective view of the terminal block cover 90. The terminal block cover 90 covers the insertion side of the external wiring on the terminal block 70. The terminal block cover 90 is made of a rubber material such as elastomer or silicone. As shown in Figures 12 and 13, the terminal block 70 has three protruding ribs 77a, 77b, and 77c on the second side surface and both side surfaces. Also, as shown in Figure 17, the terminal block cover 90 has three insertion holes 91a and 91c corresponding to the protruding ribs 77a, 77b, and 77c.

[0056] As shown in Figure 18, the terminal block cover 90 is attached to the terminal block 70 by inserting the three protrusions 77a, 77b, and 77c through the three insertion holes 91a and 91c. When connecting external wiring, the wiring will pierce a part of the terminal block cover 90. By attaching the terminal block cover 90 to the terminal block 70, it is possible to prevent foreign objects released from the insulation material in the attic from entering the terminal block 70.

[0057] Next, the positioning of the terminal block 70 relative to the base member 50 will be described. As shown in Figure 4, the base member 50 has a plate-like portion 188 at one end in the longitudinal direction that is connected to a bottom plate portion 56 that extends in a substantially first orthogonal direction via a stepped portion 171. The stepped portion 171 extends in a direction including the width direction and the height direction, and the plate-like portion 188 extends in a substantially first orthogonal direction and is located second to the bottom plate portion 56 in the height direction. The plate-like portion 188 has a pair of through holes 46 that are substantially rectangular in plan view from the height direction, and a through hole 48 that is substantially rectangular in plan view from the height direction and extends in the width direction on the second side in the longitudinal direction.

[0058] On the other hand, as shown in Figure 13, the terminal block 70 has a pair of protrusions 74 that are approximately circular in plan view from the height direction and protrude to the first side, and a protrusion 139 that is approximately rectangular in plan view from the height direction and extends in the width direction, with a protrusion on the first side in the height direction. As shown in Figure 19, the pair of protrusions 74 are fitted into a pair of through holes 46 from the second side, and the protrusion 139 is fitted into a through hole 48 from the second side. Furthermore, as shown in Figure 20, each of the pair of terminal blades 71 of the terminal block 70 is inserted into a pair of blade receiving parts 69 of the power supply unit 63. In this way, the terminal block 70 is positioned relative to the base member 50.

[0059] Figure 21 is a perspective view of the connector 160 of the power supply unit 63, which electrically connects the terminal blades 71, as seen from a second oblique side. As shown in Figure 21, the blade receiving portion 69 of the connector 160 has a pair of clamping terminals 161 for electrically connecting the terminal blades 71. The pair of clamping terminals 161 are positioned facing each other in the width direction and close together. The terminal block 70 is brought closer to the power supply unit 63 from the second side, and the terminal blades 71 are inserted between the pair of clamping terminals 161 from the second side in the height direction. In this way, the terminal block 70 is electrically connected to the power supply unit 63 by clamping and fixing the pair of terminal blades 71 with the pair of clamping terminals 161.

[0060] As shown in Figure 13, the pair of protrusions 74 protrude from the cover 110 to the first side, and the protrusion 139 protrudes from the main body 130 to the first side. Also, as shown in Figure 19, the base member 50 includes a stepped portion 171 having a plane 170 that extends in a direction including the height direction and the width direction. The protrusion 139 has a flat portion 175 (see Figure 13) that abuts against the plane 170 on the end face on the power supply unit 63 side in the depth direction, and the plane 170 of the stepped portion 171 of the base member 50 receives the flat portion 175 of the main body 130 in surface contact. Thus, the cover 110 and the main body 130 are positioned independently of each other with respect to the base member 50.

[0061] Next, the positioning of the top plate 80 relative to the terminal block 70 will be described. As shown in Figure 12, the cover 110 has two sets of two ribs 181a and 181b that are spaced apart in the second orthogonal direction (the direction perpendicular to the extending direction of the sockets 72 and 73). The two ribs 181a and 181b of each set are spaced apart in the extending direction of the sockets 72 and 73 and extend substantially parallel to the second orthogonal direction, and more specifically, extend in the width direction of the terminal block 70.

[0062] The main body 130 has an outer protrusion 181a located on the socket side 72,73 side of the first pair of two protrusions 181a,181b, and a protrusion (rib) 183 positioned between the outer protrusions 181a located on the socket side 72,73 side of the second pair of two protrusions 181a,181b, and extending substantially in a second orthogonal direction. The protrusion 183 extends in the width direction of the terminal block 70. The two outer protrusions 181a and the protrusion 183 are located on the same straight line. The cover 110 has a groove 95 defined by the two protrusions 181a,181b between the two protrusions 181a,181b of each pair.

[0063] Figure 22 is a cross-sectional view of the lighting fixture 1 around the terminal block 70, including the height direction and the extension direction. As shown in Figure 22, the third top plate portion 83 of the top plate 80 has a plate-like portion 96 that extends in a direction including the width direction and the height direction. Also, as shown in Figure 5, the top plate 80 has a pair of protrusions 86 that project from the side wall 97 to the first side. Also, as shown in Figures 4 and 19, the base member 50 has a pair of through holes 39 on the second side in the longitudinal direction, having a planar shape (planar shape when viewed from the height direction) that corresponds to the planar shape (planar shape when viewed from the height direction) of the pair of protrusions 86. The through holes 39 may be slit-shaped, and the protrusions 86 may have a plate shape.

[0064] As shown in Figure 22, the plate-shaped portion 96 is fully inserted into the groove 95 of the terminal block 70, which is positioned relative to the base member 50, and as shown in Figure 23, the pair of protruding portions 86 are inserted into the pair of through holes 39. Then, as shown in Figure 19, the top plate 80 is fixed to the base member 50 by crimping and folding back the protruding portion 86a of the protruding portion 86 that protrudes from the through hole 39 to the first side in a substantially perpendicular direction. The terminal block 70 can be positioned on the top plate 80 by fitting the plate-shaped portion 96 into the groove 95 of the terminal block 70.

[0065] Furthermore, with the plate-shaped portion 96 fitted into the groove 95 of the terminal block 70, the plane on the power supply unit 63 side in the depth direction of the protruding portion 183 of the main body 130 comes into contact with the outer plane of the plate-shaped portion 96 in the depth direction. By tightening the male screw 7 as described above, the terminal block 70, which is positioned relative to both the top plate 80 and the base member 50, can be clamped between the third top plate portion 83 and the plate-shaped portion 188 of the base member 50, and can be firmly fixed to the third top plate portion 83 and the plate-shaped portion 188.

[0066] As described above, the electrical appliance (lighting fixture 1) includes a first clamping portion (third top plate portion 83) and a second clamping portion (plate-shaped portion 188 of the base member 50), and a terminal block 70 that is clamped between the third top plate portion 83 and the plate-shaped portion 188 and electrically connects external wiring to the power supply unit 63. The terminal block 70 also has internal terminals 153 to which the wiring is electrically connected, and a case 195 that houses the internal terminals 153. The case 195 also has a cover 110 having wiring inlet 72, 73 and main body locking portions 111, 112, and a main body 130 having cover locking portions 131, 132 that lock onto the main body locking portions 111, 112. Furthermore, the case 195 has a first locking portion (groove 95 and protrusion 183) on a first opposing surface facing the third top plate portion 83, and a second locking portion (a pair of protrusions 74 and 139) on a second opposing surface facing the plate-like portion 188. The third top plate portion 83 has a first cover locking portion (plate-like portion 96) that is locked to the groove 95 and protrusion 183, and the plate-like portion 188 has a second cover locking portion (a pair of through holes 46 and 48) that is locked to the pair of protrusions 74 and 139.

[0067] According to this disclosure, the cover 110 and the main body 130 of the case 195 are integrated using a locking structure without using screws. Furthermore, the terminal block 70 and the third top plate portion 83 are integrated using a locking structure without using screws, and the terminal block 70 and the plate-like portion 188 are also integrated using a locking structure without using screws. Therefore, the screw tightening process, which worsens assembly efficiency, can be reduced, and there is no need to provide space for screw fixing to the terminal block. Thus, the lighting fixture (electrical appliance) 1 can be made more compact, and the assembly efficiency of the lighting fixture 1 can be improved.

[0068] Furthermore, when wiring is inserted into the terminal block 70 from the outside to make an electrical connection, the terminal block 70 receives a large force on the power supply unit 63 side in the depth direction of the terminal block 70, as indicated by arrow α in Figure 14. More specifically, the main body 130 is pushed in the α direction through the biasing terminal by pressing with a tool such as a flathead screwdriver. Also, when wiring is pulled out from the terminal block 70, the terminal block 70 receives a large force on the opposite side from the power supply unit 63 side in the depth direction of the terminal block 70, as indicated by arrow β in Figure 14.

[0069] In contrast, according to this disclosure, when inserting wiring into the terminal block 70 from the outside by pressing a tool-biased terminal such as a flathead screwdriver, a portion of the force acting on the terminal block 70 in the direction indicated by arrow α can be received by the first case locking portion via the first locking portion and can be received by the highly rigid first clamping portion. Furthermore, when inserting wiring into the terminal block 70 from the outside, a portion of the force acting on the terminal block 70 in the direction indicated by arrow α can be received by the second case locking portion via the second locking portion and can be received by the highly rigid second clamping portion.

[0070] Furthermore, when the wiring is pulled out from the terminal block 70, a portion of the force acting on the terminal block 70 in the direction indicated by arrow β can be received by the first case locking portion via the first locking portion, and the highly rigid first clamping portion can receive it. When the wiring is pulled out from the terminal block 70, a portion of the force acting on the terminal block 70 in the direction indicated by arrow β can be received by the second case locking portion via the second locking portion, and the highly rigid second clamping portion can receive it. Therefore, in either case, excessive force is not applied to the terminal block 70, and damage to the terminal block 70 can be suppressed.

[0071] Furthermore, the first locking portion for the first clamping portion (for example, the third top plate portion 83) of the terminal block 70 may include two protrusions 181a and 181b that are spaced apart in the extending direction of the insertion openings 72 and 73 and extend substantially parallel to a direction perpendicular to that extending direction. The two protrusions 181a and 181b may define a groove 95 opposite to the above-mentioned extending direction. The first locking portion for the first case for the terminal block 70 in the first clamping portion may include a flat plate-like portion 96 that fits into the groove 95 defined by the two protrusions 181a and 181b.

[0072] With this configuration, the locking of the first locking portion and the first case locking portion is performed by fitting the plate-shaped portion 96 into the groove 95 that extends in the width direction. Therefore, in both cases of inserting and removing wiring, the first clamping portion can receive a portion of the force applied to the terminal block 70 over a wide area in the width direction. Thus, damage to the terminal block 70 can be suppressed even more effectively.

[0073] Furthermore, the cover 110 may have the two protruding portions 181a and 181b. Also, the main body 130 may have a protruding portion 183 that is arranged on the same straight line as the outer protruding portion 181a located on the insertion opening 72, 73 side and extends in a substantially orthogonal direction.

[0074] When wiring is inserted into the terminal block 70 from the outside, a large force in the α direction acts particularly on the main body 130 located on the power supply unit 63 side in the depth direction of the case 195. Also, when wiring is pulled out from the terminal block 70, a large force in the β direction acts particularly on the cover 110 located on the opposite side of the case 195 from the power supply unit 63 side in the depth direction.

[0075] In contrast, with this configuration, when inserting wiring into the terminal block 70 from the outside, even if a large force in the α direction is applied to the main body 130 based on the pressure of the biasing terminals by a tool such as a flathead screwdriver, the protruding portion 183 of the main body 130 presses against the plate-like portion 96 of the top plate 80 over a wide area in the width direction. As a result, the top plate 80 can receive a portion of the force applied to the main body 130 over a wide area in the width direction. Therefore, damage to the main body 130, which is prone to damage when inserting wiring into the terminal block 70 from the outside, can be effectively suppressed.

[0076] Furthermore, when pulling out wiring from the terminal block 70, the two protrusions 181a and 181b press against the plate-like portion 96 of the top plate 80 over a wide area in the width direction, and as a result, the top plate 80 can receive a portion of the force applied to the cover 110 over a wide area in the width direction. Therefore, damage to the cover 110, which is prone to damage when pulling out wiring from the terminal block 70, can be effectively suppressed.

[0077] Furthermore, the second locking portion of the terminal block 70 for the second clamping portion (for example, the plate-shaped portion 188 of the base member 50) may have a first projection (projection 74) that protrudes from the cover 110 toward the second clamping portion, and a second projection (projection 139) that protrudes from the main body 130 toward the second clamping portion. Also, the second clamping portion may have a first hole (through hole 46) into which at least a part of the first projection is inserted, and a second hole (through hole 48) into which at least a part of the second projection is inserted.

[0078] With this configuration, both the cover 110 and the main body 130 can be locked to the second clamping portion using the holes and protrusions. Therefore, in both the cover 110 and the main body 130, a portion of the α and β forces applied to the cover 110 can be received by the second clamping portion, and a portion of the α and β forces applied to the main body 130 can also be received by the second clamping portion. Thus, damage to the cover 110 during insertion and removal of wiring can be more effectively suppressed, and damage to the main body 130 can also be more effectively suppressed.

[0079] Furthermore, the device may also include a second clamping portion (plate-shaped portion 188) and an integrated member (base member 50) having a plane 170 that includes a direction perpendicular to the insertion openings 72 and 73 and the height direction of the terminal block 70. The second protrusion (protrusion 139) may also be in surface contact with the plane 170.

[0080] With this configuration, the plane 170 can receive a force in the α direction from the second protrusion over a wide area in the orthogonal direction (the width direction of the terminal block 70). Therefore, the force per unit volume received by the second protrusion can be reduced, effectively suppressing damage such as cutting to the second protrusion when inserting wiring.

[0081] Furthermore, the terminal block 70 may have terminal blades 71 that are electrically connected to the internal terminals 153 and protrude from the main body 130.

[0082] In this configuration, the terminal block 70 and the power supply unit 63 are not electrically connected using leads. Therefore, the terminal block 70 and the power supply unit 63 can be electrically connected in a compact structure, making it easier to achieve a significant reduction in the size of the lighting fixture 1.

[0083] This disclosure is not limited to the embodiments and their modifications, and various improvements and modifications are possible within the scope of the claims of this application and their equivalents.

[0084] For example, in the above embodiment, the cover 110 of the case 195 and the main body 130 were locked together using a locking claw and a hole into which the locking claw was fitted. However, the cover and the main body may be locked together using any other locking structure. For example, the cover and the main body may be locked together using two locking claws, by engaging the locking claws with each other.

[0085] Furthermore, the first locking portion that engages with the first clamping portion in the terminal block may be included in only one of the cover or the main body, and the second locking portion that engages with the second clamping portion in the terminal block may also be included in only one of the cover or the main body.

[0086] Furthermore, although the case in which the cover 110 and the first clamping portion are engaged using the groove 95 and the plate-shaped portion 96 has been described, the engagement between the main body and the first clamping portion may also be performed using the groove and the plate-shaped portion. Also, although the case in which the main body 130 and the second clamping portion are locked by surface contact has been described, the locking between the main body and the second clamping portion does not have to be performed by surface contact.

[0087] Furthermore, the case in which the terminal block 70 and the first clamping portion are locked using a groove 95, a protruding portion 183, and a plate-shaped portion 96 that fits into the groove 95, and the case in which the terminal block 70 and the second clamping portion are locked using protruding portions 74, 139 and through holes 46, 48 has been described. However, the locking of the terminal block and the first clamping portion may also be performed using a hole (which may be a through hole, a bottomed hole, or a reverse hole) and a protruding portion that fits into the hole, and the locking of the terminal block and the second clamping portion may also be performed using a groove and a plate-shaped portion that fits into the groove.

[0088] Furthermore, both the locking of the terminal block to the first clamping portion and the locking of the terminal block to the second clamping portion may be performed using a groove and a plate-like portion that fits into the groove, or both the locking of the terminal block to the first clamping portion and the locking of the terminal block to the second clamping portion may be performed using a hole (which may be a through hole, a bottomed hole, or a reverse hole) and a projection that fits into the hole. Also, at least one of the locking of the terminal block to the first clamping portion and the locking of the terminal block to the second clamping portion may be performed using both the locking of a groove and a plate-like portion that fits into the groove, and the locking of a hole (which may be a through hole, a bottomed hole, or a reverse hole) and a projection that fits into the hole.

[0089] Furthermore, the case in which a locking portion exists on the first side surface in the height direction of the terminal block case and on the second side surface in the height direction of the case has been described. However, the locking portion may also be located on the side surface of the terminal block case. Specifically, the electrical appliance may be clamped by the first clamping portion and the second clamping portion, and may also include a terminal block for electrically connecting external wiring to a power supply device.

[0090] Furthermore, the terminal block may have terminals to which wiring is electrically connected, and a case to house the terminals. The case may also have a cover having a wiring slot and a locking part for the main body, and a main body having a locking part for the cover that locks into the locking part for the main body. Furthermore, at least one of the first clamping part and the second clamping part may be connected to a side wall portion having an opposing surface facing the side surface extending in the direction of extension of the slot in the terminal block, and may be integrally formed with the side wall portion. side The surface may have a first locking portion, and the side wall may have a case locking portion that locks to the first locking portion.

[0091] In this case, both the rib and the groove that fits into it extend in the height direction. The rib may be formed on either the side wall or the case, and the groove may also be formed on either the side wall or the case.

[0092] Furthermore, although the case where the electrical appliance is a lighting fixture 1 has been described, the electrical appliance of this disclosure may be any electrical appliance having a terminal block for electrically connecting external wiring to a power supply. [Explanation of Symbols]

[0093] 1 Lighting fixture, 46, 48 through holes in base member, 50 base member, 63 power supply unit, 70 terminal block, 71 terminal blade, 72, 73 socket, 74 protruding part of cover, 80 top plate, 83 third top surface, 95 groove, 96 plate-like part of third top plate, 110 cover, 111, 112 locking parts for main body, 130 main body, 131, 132 locking parts for cover, 139 protruding part of main body, 153 internal terminal, 170 flat surface of base member, 181a outer protruding part of cover, 181b protruding part of cover, 183 protruding part of main body, 188 plate-like part of base member, 195 case.

Claims

1. The first clamping portion and the second clamping portion, The device comprises a terminal block which is clamped between the first clamping portion and the second clamping portion, and which electrically connects external wiring to a power supply device, The terminal block comprises terminals to which the wiring is electrically connected, and a case for housing the terminals. The case comprises a cover having a wiring port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body. The case has a first locking portion on a first opposing surface facing the first clamping portion, and a second locking portion on a second opposing surface facing the second clamping portion. The first clamping portion has a first case locking portion that is locked to the first locking portion, and the second clamping portion has a second case locking portion that is locked to the second locking portion. The first locking portion includes two protrusions that are spaced apart in the extending direction of the insertion opening and extend substantially parallel to the orthogonal direction perpendicular to the extending direction, An electrical appliance in which the locking portion for the first case includes a flat plate portion that fits into a groove defined by the two protruding portions.

2. It is provided with a terminal block that is clamped by a first clamping portion and a second clamping portion, and for electrically connecting external wiring to a power supply device, The terminal block comprises terminals to which the wiring is electrically connected, and a case for housing the terminals. The case comprises a cover having a wiring port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body. At least one of the first clamping portion and the second clamping portion is connected to a side wall portion having an opposing surface that faces the side surface extending in the direction of the insertion opening in the terminal block, and is integrally formed with the side wall portion. The case has a first locking portion on the side surface, An electrical appliance having a case locking portion that engages with the first locking portion on the side wall portion.

3. The cover has the two protruding portions, The electrical appliance according to claim 1, wherein the main body has a protruding portion that is arranged on the same straight line as the outer protruding portion located on the socket side of the two protruding portions and extends in substantially the orthogonal direction.

4. A first clamping portion and a second clamping portion, The device comprises a terminal block which is clamped between the first clamping portion and the second clamping portion, and which electrically connects external wiring to a power supply device, The terminal block comprises terminals to which the wiring is electrically connected, and a case for housing the terminals. The case comprises a cover having a wiring port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body. The case has a first locking portion on a first opposing surface facing the first clamping portion, and a second locking portion on a second opposing surface facing the second clamping portion. The first clamping portion has a first case locking portion that is locked to the first locking portion, and the second clamping portion has a second case locking portion that is locked to the second locking portion. The second locking portion has a first projection that protrudes from the cover toward the second clamping portion and a second projection that protrudes from the main body toward the second clamping portion, An electrical appliance in which the second clamping portion has a first hole into which at least a portion of the first protrusion is inserted, and a second hole into which at least a portion of the second protrusion is inserted.

5. The integral member comprises the second clamping portion and a plane including the orthogonal direction perpendicular to the insertion opening and the height direction of the terminal block, The electrical appliance according to claim 4, wherein the second protrusion is in surface contact with the plane.

6. A first clamping portion and a second clamping portion, The device comprises a terminal block which is clamped between the first clamping portion and the second clamping portion, and which electrically connects external wiring to a power supply device, The terminal block comprises terminals to which the wiring is electrically connected, and a case for housing the terminals. The case comprises a cover having a wiring port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body. The case has a first locking portion on a first opposing surface facing the first clamping portion, and a second locking portion on a second opposing surface facing the second clamping portion. The first clamping portion has a first case locking portion that is locked to the first locking portion, and the second clamping portion has a second case locking portion that is locked to the second locking portion. An electrical appliance in which the terminal block is electrically connected to the terminals and has terminal blades protruding from the main body.

7. The first clamping portion and the second clamping portion, The device comprises a terminal block which is clamped between the first clamping portion and the second clamping portion, and which electrically connects external wiring to a power supply device, The terminal block comprises terminals to which the wiring is electrically connected, and a case for housing the terminals. The case comprises a cover having a wiring port and a locking portion for the main body, and a main body having a locking portion for the cover that is locked to the locking portion for the main body. The case has a first locking portion on a first opposing surface facing the first clamping portion, and a second locking portion on a second opposing surface facing the second clamping portion. The first clamping portion has a first case locking portion that is locked to the first locking portion, and the second clamping portion has a second case locking portion that is locked to the second locking portion. An electrical appliance comprising a base plate including the second clamping portion, a through hole provided in the base plate, and a light-emitting portion that emits light through the through hole, passing through at least a portion of the area overlapping the height of the terminal block.

Images