TWI408308B - Lighting device - Google Patents

Abstract

A lighting device has a lighting body, a base, a cover, a connecting unit, at least one pulling rope, a plurality of abutting pieces, and a plurality of flexible members. The base and the cover are located at two ends of the lighting body respectively. A through hole is formed on the base and at least one rail is deposed thereon, and the rail has a groove. The rail is disposed between the base and a plate portion of the cover, and the plate portion has at least one outlet. The connecting unit is disposed in the through hole. The pulling rope is disposed on the groove. One end of the pulling rope is connected with the connecting unit, and another end thereof is passed through the outlet and connected with a pull ring. The abutting piece is located at the base. Each flexible member is connected between the abutting piece and the connecting unit. Accordingly, it is convenient for the lighting device to be assembled or disassembled.

Description

Lighting fixture

The present invention relates to a lighting fixture, and more particularly to a lighting fixture that is easy to install and disassemble.

Conventional lighting fixtures, such as recessed lights, are typically mounted to the ceiling by means of a combination of fasteners and springs and by means of snaps. Therefore, when the user installs and removes the downlight, it often requires complicated steps to install and remove the downlight. For example, when the downlight is removed, the user needs to extend the hand into the ceiling to release the buckle, so that the downlight can be removed. Therefore, how to provide a lighting fixture that is easy to install and disassemble is an industry effort.

The reason is that the present inventors have felt that the above problems can be improved, and that the present invention has been deliberately studied and used in conjunction with the theory, and a present invention which is reasonable in design and effective in improving the above problems has been proposed.

The embodiment of the invention provides a lighting fixture which is convenient to install and disassemble.

The embodiment of the invention provides a lighting fixture, comprising: a lamp body, a body, a lamp cover, a connecting unit, a plurality of resisting pieces and a plurality of flexible parts.

The lamp body has a light-emitting module, and the base body and the lamp cover are respectively disposed at two ends of the lamp body, the base body has a through hole and at least one rail, and the connecting unit is disposed in the through hole of the base body, The rail has a rail groove for receiving the corresponding at least one drawstring. The lamp cover has a plate portion, and the plate portion is provided with an opening to expose the lamp body, so that the light emitted by the light-emitting module is emitted from the opening, and the plate portion is connected to the rail at a position corresponding to the track groove. At least one outlet hole of the slot. One end of the pull cord is connected to the connecting unit, and the other end passes through the outlet hole and is connected to a pull ring. The flexures are connected between the resisting sheets and the connecting unit.

The connecting unit includes a bushing and a casing. The casing has a receiving space for receiving the bushing. The at least one pulling cord and the flexure are pierced through the through hole of the bushing, and the cable is passed through the cable. The flexure moves the sleeve up and down within the receiving space.

The embodiment of the present invention further provides a lighting fixture for embedding in a working platform. The working platform is provided with a mounting hole for receiving the lamp body of the lighting fixture, and the resisting piece of the lighting fixture abuts against the working platform. The upper surface and the plate portion of the lampshade of the lighting fixture abut against the lower surface of the work platform.

The embodiment of the invention has the following beneficial effects: the lighting fixture of the invention can be installed and disassembled by pulling the drawstring, so that the installation and disassembly procedures can be simplified.

In order to further understand the technology, method and effect of the present invention in order to achieve the intended purpose, reference should be made to the detailed description and drawings of the present invention. The detailed description is to be understood as illustrative and not restrictive.

The directional terms mentioned in the following embodiments, for example, up, down, left, right, front, back, inside or outside, etc., are related to each other, and only refer to the direction of the additional drawing. Therefore, the directional terminology used is for the purpose of illustration and not limitation.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , the embodiment provides a lighting fixture 1 for being coupled to a working platform 200. The working platform 200 is provided with a mounting hole 201. In this embodiment, the working platform 200 is Ceiling, but in other embodiments, the work platform 200 may also be a floor, a bevel or a side wall, and the like. The lighting fixture 1 includes a heat sink 10, a lamp body 20, a body 30, a lamp cover 40, a connecting unit 60, at least one pulling cord 70 (two pull cords 70 in this embodiment), and a plurality of resists. Sheet 80 (three resisting sheets 80 in this embodiment) and a plurality of flexures 90 (three flexible members 90 in this embodiment).

Referring to FIG. 3 and FIG. 4 , the heat sink 10 is made of a heat conductive metal material, and includes a main body 11 and a plurality of heat dissipation fins 12 disposed on the periphery of the main body 11 for providing heat dissipation. A receiving groove 13 is formed in the center of one end (here, the lower end) of the main body 11. The other end (here, the upper end) of the main body 11 is provided with a substrate 111, and a first pivoting portion 112 is protruded upwardly from the substrate 111.

The lamp body 20 is housed in the heat sink 10. The lamp body 20 includes a cylinder 21, a carrier plate 24, a light-emitting module 22 and a lens 25. The tubular body 21 is made of a heat conductive metal material and is inserted into the receiving groove 13 of the heat sink 10. An accommodating groove 23 is formed in the inside of the cylinder 21. An assembly hole 211 is formed at one end (here, the upper end) of the cylinder 21, and an assembly hole 212 is formed at the other end (here, the lower end). The assembly hole 211 and the assembly hole 212 are opposite to each other and communicate with the accommodating groove 23, respectively.

The carrier plate 24 covers the assembly hole 211 of the cylindrical body 21 and is disposed on the substrate 111 of the main body 11. The illuminating module 22 is disposed in the accommodating slot 23, and the illuminating module 22 includes a circuit board 221 and a plurality of illuminating diodes 222 disposed on the circuit board 221, and the circuit board 221 is disposed on the carrier board 24. The lens 25 is made of a transparent material member and is provided in the assembly hole 212 of the cylindrical body 21.

Referring to FIG. 5 and FIG. 6, the base 30 is disposed at one end (here, the upper end) of the heat sink 10 and the lamp body 20, and is spaced apart from the heat sink 10. One end (here, the upper end) of the base body 30 has a through hole 31 extending in the axial direction thereof for receiving the coupling unit 60. The outer surface of the base body 30 is provided with at least one rail 50, and each rail 50 has a rail groove 51. The rail groove 51 is a groove extending along the longitudinal direction of the rail 50, and both ends of the rail groove 51 respectively form an open end.

Furthermore, the lamp cover 40 is disposed at the other end (here, the lower end) of the heat sink 10 and the lamp body 20. The lamp cover 40 has a disk-shaped plate portion 41. An opening 43 is defined in the center of the plate portion 41 to expose the lamp body 20 and the heat sink 10 (as shown in FIG. 2), so that the light-emitting module 22 can be emitted. The light passes through the opening 25 through the lens 25. Further, the plate portion 41 is provided with a surrounding wall 42 around the opening 43, and the surrounding portion 42 is folded into the opening 43 for the plate portion 41 to surround the periphery of the heat sink 10, thereby preventing the user from directly seeing the work by the opening 43. The interior of the platform 200. The rail 50 extends from the base 30 toward the plate portion 41 and has its end disposed on the upper surface of the plate portion 41 of the lamp cover 40. The plate portion 41 of the lamp cover 40 is provided with two outlet holes 44 at positions corresponding to the two rail grooves 51. (As shown in FIG. 13), that is, the outlet hole 44 communicates with one of the open ends of the corresponding rail grooves 51.

The coupling unit 60 is disposed in the through hole 31 of the base body 30 in the axial direction of the base body 30. The drawstring 70 is a metal rope, such as a steel cord. The drawstring 70 is placed on the rail groove 51 of the rail 50 along the longitudinal direction of the rail 50, so the number of drawstrings 70 corresponds to the number of rails 50, and one end (here, the upper end) of the drawstring 70 is connected. The other end (here, the lower end) of the connecting unit 60 passes through the outlet hole 44 and is connected to a pull ring 71. In this embodiment, the two rails 50 and the two cords 70 are taken as an example, and the two rails 50 are oppositely located on both sides of the heat sink 10. In other embodiments, the invention may use only a single rail 50 and a single drawstring 70, or three rails 50 and three drawstrings 70, which are also within the scope of the present invention.

The resisting pieces 80 are elastic metal sheets, which are disposed on the outer surface of the base body 30, and are bent at a middle end of each of the resisting pieces 80 to form a resisting portion 81. In this embodiment, The holding portion 81 is a slightly W-shaped double arc shape and provides two portions in contact with the upper surface 202 of the work platform 200. The abutting portions 81 are circumferentially disposed on the periphery of the heat sink 10. In other embodiments, the abutting portion 81 can be any possible shape, such as a single arc or a plurality of arcs, providing one or more portions in contact with the upper surface 202 of the work platform 200 for anchoring.

The flexures 90 are ropes, chains, steel cables, metal wires, etc., and the invention is not limited thereto. The flexures 90 are connected between the resisting pieces 80 and the connecting unit 60. The number of the flexures 90 corresponds to the number of the resistive sheets 80. In the present embodiment, the number of the resisting sheets 80 is three, and the number of the flexures 90 is three; Composition to form the lighting fixture 1 of the present invention.

In addition, referring to FIG. 7 to FIG. 9 , the connecting unit 60 includes a sleeve 61 and a casing 62 . The sleeve 61 includes a body 611 , a through hole 612 , and a plurality of wire slots 613 . Both the through hole 612 and the wire slot 613 penetrate through the body 611. The wire troughs 613 are concavely formed by the outer surface of the body 611 and are arranged in a ring shape. The number of the wire troughs 613 in the embodiment is five, two of which correspond to the two pull cords 70, and the remaining three Corresponding to the three flexures 90. The pull cord 70 and the flexure 90 are disposed through the through hole 612 and are fixed to the corresponding wire receiving grooves 613. The cord 70 is fixed from the one end (here, the lower end) of the body 611 to the other end (here, the upper end) through the through hole 612 and then outwardly and toward the one end (here, the lower end). The flexure 90 is fixed from the other end (here, the upper end) of the body 611 to the one end (here, the lower end) through the through hole 612 and then outwardly and toward the other end (here, the upper end).

Referring to FIG. 10, a housing space 63 is formed in the housing 62. The sleeve 61 is received in the housing space 63 by being vertically moved in the axial direction of the housing 62 under the restriction of the housing 62. A gap d, for example, 0.01 mm, is formed between the body 611 and the inner ring wall 631 forming the receiving space 63.

In this embodiment, the outer casing 62 includes a first shell member 621 and a second shell member 622. The first shell member 621 has a hollow shape, and a first hole 6212 is formed at one end thereof, and the drawstring 70 passes through the first hole 6212. Enter into the accommodating space 63. The other end (here, the upper end) of the first case member 621 is provided with a first screw portion 6211. The second shell member 622 is hollow, and is provided with a second hole 6222 through which the flexure 90 enters into the receiving space 63. The second end of the second cover member 622 (the lower end) is provided with a second screwing portion 6221, and the second screwing portion 6221 is screwed to the first screwing portion 6211 so that the first shell member 621 and the second shell portion Pieces 622 are combined. In addition, the first end (the lower end) of the body 611 of the sleeve 61 has a distance S1 from the first hole 6212, and the other end (the upper end) of the body 611 has a distance S2 between the second hole 6222. This provides a cushioning distance so that the sleeve 61 can be pulled by the drawstring 70 and returned to its original position by the elastic force of the resisting sheet 80.

Referring to FIG. 1 , FIG. 2 and FIG. 5 , after the lighting fixture 1 is combined with the working platform 200 , the lamp body 20 and the heat sink 10 are received in the mounting hole 201 of the working platform 200 , and the resisting portions of the resisting pieces 80 . 81 abuts against the upper surface 202 of the work platform 200 and the plate portion 41 of the lamp cover 40 abuts against the lower surface 203 of the work platform 200. Thereby, the lighting fixture 1 is fixed to the work platform 200.

Referring to FIG. 10 and FIG. 11 , when the user wants to remove the lighting fixture 1 from the working platform 200 , the user only needs to pull the pulling cord 70 downward by the pull ring 71 to move the sleeve 61 downward in the receiving space 63 . A distance and a portion of the flexure 90 is pulled into the outer casing 62 to pull the resisting piece 80 accordingly, forcing the resisting pieces 80 to reflex in the direction of the seat body 30 to be U-shaped, and to be released. The holding state between the holding piece 80 and the upper surface of the working platform 200 can also retract the outer sheet of the resisting piece 80 to a smaller size, thereby allowing the lighting fixture 1 to be easily removed through the mounting hole 201. .

On the contrary, when the lighting fixture 1 is installed, the user also pulls the pulling cord 70 downward by the pull ring 71, forcing the resisting pieces 80 to reflex in the direction of the seat body 30, and installing the lighting fixture 1 through the working platform 200. Hole 201. Thereafter, the pull cord 70 is released, and the resisting piece 80 is stretched out of the outer casing 62 by its own elastic force and pulling the flexure 90, and the sleeve 61 is moved upward by a distance inside the receiving space 63. At this time, the resisting piece 80 is returned to the original state, and the specific shape (arc shape) is maintained. Thereby, the abutting portion 81 of the resisting piece 80 and the plate portion 41 of the globe 40 respectively abut against the upper surface and the lower surface of the work platform 200, whereby the mounting procedure of the lighting fixture 1 can be easily completed.

It should be further noted that since there is a gap d between the sleeve 61 and the accommodating space 63, the resistance of the movement of the sleeve 61 can be effectively reduced. In the forward stroke of the user pulling the drawstring 70 downward, only the sleeve 61 and the flexure 90 are moved downward inside the accommodating space 63, so that the user feels less effortless. After the sleeve 61 is moved downward by a distance (for example, the aforementioned distance S1+S2) inside the accommodating space 63, the sleeve 61 abuts against the inner side of the lower portion of the outer casing 62 to drive the outer casing 62 to move downward together. As described above, the sleeve 61 is moved upward by a distance (for example, the aforementioned distance S1+S2) from the inside of the accommodating space 63 due to the elastic force of the resisting piece 80 itself, and the abutting portion 81 is thereby abutted against the upper side of the outer casing 62. Revert to the shape originally resisted by the work platform 200.

In addition, referring to FIG. 11 and FIG. 12 , the lighting fixture 1 further includes a pillar 100 disposed between the heat sink 10 and the base 30 . The pillar 100 includes a plurality of tubular bodies 101 that are sleeved with each other to be stretchable and contractable relative to each other. Thereby, the pillar 100 can be elongated and shortened according to the needs of the user, and the position of the lamp body 20 in the up and down direction can be adjusted.

One end (here, the upper end) of the strut 100 is rotatably disposed at the lower end of the base 30 along the axial direction thereof, so that the heat sink 10 and the lamp body 20 can be rotated about the axial direction of the strut 100, that is, horizontally with respect to the work platform 200. Turn. The other end (here, the lower end) of the pillar 100 is provided with a second pivoting portion 102 pivotally connected to the first pivoting portion 112 of the heat sink 10 (as shown in FIG. 4) to enable the heat sink 10 and the lamp body. 20 can be rotated along the axial direction of the strut 100 (ie, vertically rotated relative to the work platform 200), whereby the position of the lamp body 20 and the position of the illumination thereof can be adjusted to have a function similar to a track light or a projection lamp, thereby enabling The application range of the lighting fixture 1 is greatly improved and is widely used in various environments to form a multifunctional lighting fixture 1.

Referring to FIGS. 2 and 13 , the plate portion 41 of the lamp cover 40 is provided with a ring-shaped groove 45 at a position corresponding to the tab 71 , and a snap member 46 is disposed on one side of the ring-shaped groove 45 . After the lighting fixture 1 is installed, the pull ring 71 is received in the ring groove 45 and snapped to the latching member 46 to achieve the function of positioning the tab 71.

As can be seen from the above, the lighting fixture of the embodiment of the present invention can be attached and detached by pulling the drawstring, so that the procedure of installation and disassembly can be simplified.

However, the above description is only an embodiment of the present invention, and is not intended to limit the scope of the invention.

1. . . Lighting fixture

10. . . heat sink

11. . . main body

111. . . Substrate

112. . . First pivot

12. . . Heat sink fin

13. . . Storage slot

20. . . Lamp body

twenty one. . . Cylinder

211. . . Assembly hole

212. . . Assembly hole

twenty two. . . Light module

221. . . Circuit board

222. . . Light-emitting diode

twenty three. . . Locating slot

twenty four. . . Carrier board

25. . . lens

30. . . Seat

31. . . Through hole

40. . . lampshade

41. . . Board

42. . . Around the wall

43. . . Opening

44. . . Outlet hole

45. . . Ring groove

46. . . Fastener

50. . . Rail

51. . . Track slot

60. . . Link unit

612. . . perforation

613. . . Wire trough

62. . . shell

621. . . First shell

6211. . . First screw

6212. . . First hole

622. . . Second shell

61. . . Bushing

611. . . Ontology

6221. . . Second screw

6222. . . Second hole

63. . . Containing space

631. . . Inner ring wall

70. . . Drawstring

71. . . Pull ring

80. . . Resisting film

81. . . Responsible department

90. . . Flexure

100. . . pillar

101. . . Tube body

102. . . Second pivot

200. . . Work platform

201. . . Mounting holes

202. . . Upper surface

203. . . lower surface

d. . . gap

S1. . . distance

S2. . . distance

1 is a schematic perspective view of a combination of a lighting fixture of the present invention and a work platform.

2 is a perspective view showing another perspective of the lighting fixture of the present invention in combination with the working platform.

3 is an exploded perspective view of a heat sink and a lamp body of the lighting fixture of the present invention.

Fig. 4 is a cross-sectional view showing a heat sink and a lamp body of the lighting fixture of the present invention.

Figure 5 is a front elevational view of the lighting fixture of the present invention in combination with a work platform.

Figure 6 is a plan view of the lighting fixture of the present invention in combination with a work platform.

Fig. 7 is an exploded perspective view showing a coupling unit of the lighting fixture of the present invention.

Fig. 8 is a perspective view showing a state in which a bushing, a drawstring, and a flexure of the lighting fixture of the present invention are combined.

Fig. 9 is a perspective assembled view of a coupling unit of a lighting fixture of the present invention.

Fig. 10 is a cross-sectional view taken along line A-A of Fig. 9;

Figure 11 is a front elevational view of the lighting fixture of the present invention as it is separated from the work platform.

Fig. 12 is a perspective view showing a state in which a pillar of the lighting fixture of the present invention is extended.

Fig. 13 is a cross-sectional view taken along line B-B of Fig. 2;

1. . . Lighting fixture

10. . . heat sink

112. . . First pivot

30. . . Seat

40. . . lampshade

41. . . Board

42. . . Around the wall

46. . . Fastener

50. . . Rail

60. . . Link unit

70. . . Drawstring

71. . . Pull ring

80. . . Resisting film

81. . . Responsible department

90. . . Flexure

100. . . pillar

102. . . Second pivot

200. . . Work platform

202. . . Upper surface

203. . . lower surface

Claims (13)

A lighting fixture comprising: a light body having a light emitting module; a body disposed at one end of the light body, the base body having a through hole and at least one rail, the at least one rail having a rail groove; a lamp cover is disposed at the other end of the lamp body, the lamp cover has a plate portion, and the plate portion is provided with an opening for the light emitted by the light emitting module to be emitted from the opening, wherein the at least one rail faces the plate portion Extending and disposed on the plate portion, and the plate portion is provided with at least one outlet hole communicating with the track groove at a position corresponding to the track groove; a connecting unit disposed at the through hole of the base body; at least one pull a cord disposed on the rail groove of the at least one rail, one end of the at least one pull cord is connected to the joint unit, and the other end is connected to the pull ring through the at least one outlet hole; and a plurality of resisting pieces are disposed on the rope The seat body; and a plurality of flexures corresponding to the resisting pieces are connected between the resisting pieces and the connecting unit. The lighting device of claim 1, wherein the connecting unit comprises a bushing and a casing, the casing forming a receiving space therein, the bushing being received in the receiving space by up and down movement, the bushing comprises a bushing a body, a through hole and a plurality of wire grooving grooves, the through holes and the wire arranging grooves are respectively penetrated to the upper end surface and the lower end surface of the body, and the at least one pull cord and the flexible member are disposed through the through hole and fixed to the hole Line slot. The lighting fixture of claim 2, wherein the wire troughs are concavely formed by the outer surface of the body and arranged in a ring shape. The lighting fixture of claim 2, wherein a gap is formed between the body of the sleeve and the inner ring wall forming the receiving space. The illuminating device of claim 2, wherein the outer casing comprises a first shell member and a second shell member, the first shell member is provided with a first hole and a first screw portion, the at least one The second screw member is provided with a second hole and a second screw portion. The flexible member passes through the second hole, and the second screw portion is screwed to the first threaded portion. unit. The lighting fixture of claim 1, further comprising a heat sink, wherein the heat sink is exposed in the opening of the plate portion, the lamp body is received in the heat sink, and each of the resisting pieces forms a resistance The abutting portions of the resisting pieces are circumferentially disposed on the periphery of the heat sink. The lighting fixture of claim 6, further comprising a pillar disposed between the heat sink and the base body, the pillar comprising a plurality of tubular bodies, the tubular bodies being sleeved to each other to be relatively slippery Shift and zoom. The lighting fixture of claim 6, further comprising a strut disposed between the heat sink and the base body, one end of the strut being rotatably disposed in the axial direction of the base body, and the other end pivot Connected to the heat sink. The lighting fixture of claim 6, wherein the panel portion of the lampshade is provided with a surrounding wall around the opening, the surrounding wall surrounding the periphery of the heat sink. The illuminating device of claim 6, wherein the lamp body further comprises a cylinder, a carrier plate and a lens, the cylinder body is provided with a receiving groove and opposite ends of the accommodating groove The light-emitting module is disposed in the accommodating slot, and the light-emitting module includes a circuit board and the light-emitting module is disposed in the one of the assembly holes. A plurality of light emitting diodes disposed on the circuit board, the circuit board being disposed on the carrier board. The illuminating device of claim 10, wherein the heat sink comprises a main body and a plurality of heat dissipating fins disposed on a periphery of the main body, wherein one end of the main body forms a receiving groove, and the other end provides a substrate. The cylinder of the lamp body is inserted into the receiving groove to place the carrier on the substrate. The lighting device of claim 1, wherein the plate portion of the lamp cover is provided with a ring groove at a position corresponding to the ring, and a snap member is disposed on one side of the ring groove. The ring is received in the ring groove and is fastened to the buckle. A lighting device for embedding in a working platform, the working platform is provided with a mounting hole, the lighting device comprises: a lamp body; a body disposed at one end of the lamp body, the seat body having a through hole and at least a rail, the at least one rail has a rail groove; a lamp cover is disposed at the other end of the lamp body, the lamp cover has a plate portion, and the plate portion is provided with an opening to expose the lamp body, wherein the lamp body At least one rail extending toward the plate portion and disposed on the plate portion, and the plate portion is provided with at least one outlet hole communicating with the rail groove at a position corresponding to the rail groove; a connecting unit disposed at the seat a through hole of the body; at least one pull cord disposed on the rail groove of the at least one rail, one end of the at least one pull cord is connected to the joint unit, and the other end is connected to the pull ring through the at least one outlet hole; a resisting piece disposed on the base body, and each of the resisting pieces forms a resisting portion; and a plurality of flexible members corresponding to the resisting pieces connected to the resisting pieces and the Between the connecting units; wherein the lamp body is received in the mounting hole of the working platform, and the Abutting portion abutting against the sheet supported on the surface of the work platform, the shade plate portion abutting the lower surface of the working platform.