Lamp assembly capable of expanding back light emitting range, wall lamp, floor lamp and ceiling lamp

Abstract

The lamp assembly comprises a heat dissipation installation plate, an LED light source, a lens and a light shield, the LED light source is installed on the front face of the heat dissipation installation plate, a fixing part is arranged in the middle of the light shield, one end of the fixing part is fixed to the side, close to the LED light source, of the front face of the heat dissipation installation plate, and the other end of the fixing part is fixed to the side, close to the lens, of the front face of the heat dissipation installation plate. The lens is clamped between the LED light source and the light shield; the side, close to the fixing part, of the top of the lens is provided with a reflecting face, the side, away from the fixing part, of the top of the lens is provided with a light-emitting face, the reflecting face inclines towards the light-emitting face, and the part, reflected by the reflecting face, of light emitted by the LED light source penetrates through the light-emitting face to be emitted out towards the back face of the lamp assembly. A first shading surface with the same inclination direction as the reflecting surface is arranged at the position, corresponding to the reflecting surface, of the fixing part, and the part, refracted by the reflecting surface, of light emitted by the LED light source is emitted towards the first shading surface.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lamps and lanterns lighting, especially relates to a lamp assembly and wall lamp, floor lamp and ceiling lamp of back light emitting range expansion. BACKGROUND

[0002] If the conventional lighting lamps and lanterns need back light emitting, the general scheme is that the light source containing groove is arranged on the edge of the back of the lamp and lantern, the lamp strip is pasted on the groove bottom of the light source containing groove, and the latex lampshade is installed at the opening of the light source containing groove, but since the width of the light source containing groove is limited, and the light emitting angle of the lamp bead on the superimposed lamp strip is also limited, the back light emitting range of the conventional back light emitting lamp and lantern is limited, the brightness of the light is relatively high near the back of the lamp and lantern, the brightness of the light is relatively low away from the back of the lamp and lantern, the light emitting effect of the back of the lamp and lantern is uneven, the dazzling effect is generated, the use experience of the user is reduced, and the popularization of the back light emitting lamp and lantern is not conducive. SUMMARY

[0003] The main purpose of the utility model is to provide a lamp assembly and wall lamp, floor lamp and ceiling lamp of back light emitting range expansion, which solves the problems in the background art.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0005] A lamp assembly of back light emitting range expansion, it includes: heat dissipation mounting plate, LED light source, lens and light shield, the LED light source is installed on the front of the heat dissipation mounting plate, the middle part of the light shield is equipped with fixed part, one end of the fixed part is fixed on the front of the heat dissipation mounting plate near one side of the LED light source, the lens is clamped between the LED light source and the light shield;Wherein, the top of the lens is equipped with reflecting surface near one side of the fixed part, and the light emitting surface is equipped with the light emitting surface away from one side of the fixed part, the reflecting surface is inclined towards the light emitting surface, the part of light emitted by the LED light source is shot towards the back of the lamp assembly through the light emitting surface after reflecting by the reflecting surface;The fixed part is equipped with the first light shielding surface same as the inclination direction of the reflecting surface at the position corresponding to the reflecting surface, the part of light emitted by the LED light source is shot towards the first light shielding surface after refraction by the reflecting surface, and the first light shielding surface is used to shield the light refracted by the reflecting surface.

[0006] As a preferred scheme of the lamp assembly of back light emitting range expansion, the reflecting surface is prismatic, convex, honeycomb or jagged.

[0007] As a preferred solution of the lamp assembly for expanding the back light emitting range, the bottom of the lens is provided with a light inlet groove corresponding to the position of the LED light source, the lamp bead of the LED light source is accommodated in the light inlet groove; the inner groove wall of the light inlet groove extends towards the reflection surface to form a first light converging arc surface, the outer groove wall of the light inlet groove extends towards the light outlet surface to form a second light converging arc surface, and the other end edge of the fixed part extends outwards to form a second light shielding surface; part of the light emitted by the LED light source directly passes through the reflection surface after passing through the light inlet groove, and part of the reflected light passes through the light outlet surface towards the back of the lamp assembly after passing through the reflection surface; part of the light emitted by the LED light source passes through the first light converging arc surface and is divided into two parts, one part passes through the reflection surface and then passes through the light outlet surface towards the back of the lamp assembly, and the other part directly passes through the light outlet surface towards the second light shielding surface, and the second light shielding surface is used to shield this part of light; another part of the light emitted by the LED light source passes through the second light converging arc surface and is divided into two parts, one part passes through the reflection surface and then passes through the light outlet surface towards the second light shielding surface, and the second light shielding surface is used to shield this part of light, and the other part passes through the reflection surface and then passes through the light outlet surface towards the back of the lamp assembly.

[0008] As a preferred solution of the lamp assembly for expanding the back light emitting range, the lamp assembly for expanding the back light emitting range further comprises a fixed rear seat and a lens support plate; the fixed rear seat is arranged on the back of the heat dissipation mounting plate, and a fixing screw passes through the heat dissipation mounting plate and extends into the fixed rear seat to be fixed; the connection between the light outlet surface and the second light converging arc surface is provided with a first abutting boss corresponding to one end of the lens support plate, the fixed rear seat extends towards the other end of the lens support plate to form a support convex edge, and the other end of the lens support plate is provided with a second abutting boss; the first abutting boss abuts one end of the lens support plate to abut the second abutting boss at the other end of the lens support plate against the support convex edge.

[0009] As a preferred solution of the lamp assembly for expanding the back light emitting range, one end of the fixed part is provided with a fixed groove, the inner wall of the fixed groove is provided with an internal thread, the front surface of the heat dissipation mounting plate extends towards the fixed groove to form a fixed boss, the outer side of the fixed boss is provided with an external thread, and after the fixed boss extends into the fixed groove, the external thread is screwed with the internal thread.

[0010] As a preferred solution of the lamp assembly of the expanded back light emitting range, the back surface of the heat dissipation mounting plate is provided with a plurality of heat dissipation fins, and a heat dissipation gap is arranged between two adjacent heat dissipation fins; the heat dissipation mounting plate is provided with a heat dissipation through slot at a position surrounding the fixing boss, and the heat dissipation through slot is communicated with the heat dissipation gap, so as to guide the heat emitted by the LED light source to the back surface of the heat dissipation mounting plate.

[0011] The utility model also provides a wall lamp, it includes the lamp assembly of the expanded back light emitting range as any above, under the condition that the light emitting range of the lamp assembly of the expanded back light emitting range cannot be adjusted, the fixed screw passes through the fixed back seat and is fixed in the wall.

[0012] The utility model also provides a wall lamp, it includes the lamp assembly of the expanded back light emitting range as any above, under the condition that the light emitting range of the lamp assembly of the expanded back light emitting range can be adjusted, the wall lamp further includes: adjustment mounting seat, and damping ring, the outside of surrounding adjustment mounting seat is outwardly extended and forms damping ring installation groove, the damping ring is embedded in the damping ring installation groove, the fixed back seat is extended and forms adjustment cylinder, the adjustment mounting seat can slide along the direction of adjustment cylinder after entering the adjustment cylinder, the damping ring is clamped between the damping ring installation groove and the inner wall of adjustment cylinder, is used for adjusting the sliding damping of adjustment mounting seat, and the fixed screw passes through the adjustment mounting seat and is fixed in the wall.

[0013] As a preferred solution of the wall lamp, the opening of the adjustment cylinder is provided with a limiting lug, the damping ring is provided with a first gap notch, the damping ring installation groove is provided with a second gap notch, the adjustment mounting seat is slid into the adjustment cylinder through the cooperation of the limiting lug, the first gap notch and the second gap notch, the first gap notch and the second gap notch are staggered with the limiting lug by driving the lamp assembly of the expanded back light emitting range to rotate, and the limiting lug can abut against the groove wall of the damping ring installation groove, so as to avoid the adjustment mounting seat from being taken out of the adjustment cylinder.

[0014] The utility model also provides a floor lamp, which comprises a support rod, and the support rod further comprises the lamp assembly of the expanded back light emitting range as any above; and the other end of the fixed part is fixed to the top of the support rod.

[0015] The utility model also provides a ceiling lamp, which comprises a hanging rope, and the hanging rope further comprises the lamp assembly of the expanded back light emitting range as any above; one end of the hanging rope is fixed to a ceiling, and the other end of the hanging rope is fixed to the fixed back seat.

[0016] The utility model has the advantages of:

[0017] In the utility model, provide a kind of lamp assembly and wall lamp, floor lamp and ceiling lamp of expanding back light range, it include: heat dissipation mounting plate, LED light source, lens, and light shield cover, LED light source is installed in the front of heat dissipation mounting plate, the middle part of light shield cover is equipped with fixed part, one end of fixed part is fixed in the front of heat dissipation mounting plate near the side of LED light source, lens is clamped between LED light source and light shield cover;By setting lens and light shield cover, the top of lens is equipped with reflecting surface near the side of fixed part, and the side away from fixed part is equipped with light exit surface, reflecting surface is inclined towards light exit surface, part of light emitted by LED light source is reflected and passes through light exit surface and is emitted towards the back of lamp assembly;Since reflecting surface is inclined, not only the back light range of lamp assembly is wider, the light exit area of back light of lamp assembly is expanded, but also the brightness of back of lamp assembly in light range is more uniform, avoid the appearance of light spot, to avoid the effect of dazzling;Fixed part is equipped with the first light shielding surface same as the inclination direction of reflecting surface in the position corresponding to reflecting surface, part of light emitted by LED light source is refracted and is emitted towards the first light shielding surface, and the first light shielding surface is used to shield the light refracted by reflecting surface;To avoid the light refracted by reflecting surface directly emitting towards the eyes of user, to avoid flashing the eyes of user, improve the use experience of user, it is beneficial to the promotion of lamp assembly of expanding back light range. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor, all belong to the protection scope of the utility model, wherein:

[0019] Figure 1 It is the structure schematic view of the non-adjustable back light range of the lamp assembly of expanding back light range shown in the utility model;

[0020] Figure 2 It is Figure 1 The sectional view of the lamp assembly of expanding back light range shown;

[0021] Figure 3 It is Figure 1 The explosion schematic view of the lamp assembly of expanding back light range shown;

[0022] Figure 4 It is Figure 3 The structure schematic view of one angle of the heat dissipation mounting plate of the lamp assembly of expanding back light range shown;

[0023] Figure 5 It isFigure 4 Another angle of the structure of the heat dissipation mounting plate of the lamp assembly with enlarged back light emission range shown in the figure;

[0024] Figure 6 Is Figure 3 Another angle of the structure of the lens of the lamp assembly with enlarged back light emission range shown in the figure;

[0025] Figure 7 Is Figure 6 Another angle of the structure of the lens of the lamp assembly with enlarged back light emission range shown in the figure;

[0026] Figure 8 Is Figure 3 The structure diagram of the light shield of the lamp assembly with enlarged back light emission range shown in the figure;

[0027] Figure 9 Is Figure 3 The structure diagram of the lens support plate of the lamp assembly with enlarged back light emission range shown in the figure;

[0028] Figure 10 The structure diagram of the lamp assembly with enlarged back light emission range in the adjustable back light emission range shown in the figure of the utility model;

[0029] Figure 11 Is Figure 10 The sectional view of the lamp assembly with enlarged back light emission range shown in the figure;

[0030] Figure 12 Is Figure 10 The exploded view of the lamp assembly with enlarged back light emission range shown in the figure;

[0031] Figure 13 Is Figure 12 The structure diagram of the fixed rear seat of the lamp assembly with enlarged back light emission range shown in the figure;

[0032] Figure 14 Is Figure 12 The structure diagram of the adjusting mounting seat of the lamp assembly with enlarged back light emission range shown in the figure;

[0033] Figure 15 The structure diagram of the floor lamp provided in the utility model;

[0034] Figure 16 The structure diagram of the ceiling lamp provided in the utility model. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0036] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or rotatably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 The utility model discloses a lamp assembly 200 of enlarging back light range, which comprises a heat dissipation mounting plate 10, an LED light source 20, a lens 30, a light shield 40, a fixed back seat 50 and a lens support plate 60. The LED light source 20 is installed on the front face of the heat dissipation mounting plate 10. The middle part of the light shield 40 is provided with a fixed part 41. One end of the fixed part 41 is fixed on the front face of the heat dissipation mounting plate 10 near one side of the LED light source 20. The lens 30 is clamped between the LED light source 20 and the light shield 40. The fixed back seat 50 is fixed on the back face of the heat dissipation mounting plate 10. The lens support plate 60 is clamped between the lens 30 and the fixed back seat 50 to support the lens 30.

[0038] In the utility model, the cross section of the heat dissipation mounting plate 10, the LED light source 20, the lens 30, the light shield 40, the fixed rear seat 50 and the lens support plate 60 is preferably circular, not limited to the utility model, the cross section shape of the above-mentioned parts can also be triangle, rectangle, square and the like, as long as the LED light source 20 can be installed on the front of the heat dissipation mounting plate 10, the middle part of the light shield 40 is equipped with a fixed part 41, one end of the fixed part 41 is fixed on the front of the heat dissipation mounting plate 10 close to the side of the LED light source 20, the lens 30 is clamped between the LED light source 20 and the light shield 40, the fixed rear seat 50 is fixed on the back of the heat dissipation mounting plate 10, the lens support plate 60 is clamped between the lens 30 and the fixed rear seat 50 for supporting the lens 30, the utility model does not make limitation to this.

[0039] In the utility model, the cross section of the heat dissipation mounting plate 10, the LED light source 20, the lens 30, the light shield 40, the fixed rear seat 50 and the lens support plate 60 is preferably circular, the LED light source 20 is installed on the front of the heat dissipation mounting plate 10, the middle part of the light shield 40 is equipped with a fixed part 41, one end of the fixed part 41 is fixed on the front of the heat dissipation mounting plate 10 and is located in the middle part of the LED light source 20, the lens 30 is sleeved on the fixed part 41, and the lens 30 is also clamped between the LED light source 20 and the light shield 40.

[0040] Wherein, the top of the lens 30 is equipped with a reflecting surface 31 close to one side of the fixed part 41, and a light exit surface 32 away from the fixed part 41, the reflecting surface 31 is inclined towards the light exit surface 32, the part of light emitted by the LED light source 20 is reflected through the reflecting surface 31 and is emitted towards the back of the lamp assembly through the light exit surface 32;

[0041] The fixed part 41 is equipped with a first light shielding surface 411 in the position corresponding to the reflecting surface 31, and the first light shielding surface 411 is inclined in the same direction as the reflecting surface 31, the part of light emitted by the LED light source 20 is refracted through the reflecting surface 31 and is emitted towards the first light shielding surface 411, and the first light shielding surface 411 is used for shielding the light refracted by the reflecting surface 31.

[0042] In the utility model, the first, since the reflective surface 31 is arranged obliquely, not only the back light emitting range of the lamp assembly is wide, the light emitting area of the back light emitting of the lamp assembly is enlarged, but also the brightness of the back of the lamp assembly in the light emitting range is uniform, the appearance of the light spot is avoided, and then the dazzling effect is avoided; the second, since the first light shielding surface 411 is arranged, the first light shielding surface 411 can be used for shielding the light refracted by the reflective surface 31, so that the light refracted by the reflective surface 31 is avoided from directly shooting to the eyes of the user, then the eyes of the user are avoided from flashing, the use experience of the user is improved, and the promotion of the lamp assembly 200 with wide back light emitting range is facilitated.

[0043] In the utility model, the reflective surface 31 is preferably prismatic, convex, honeycomb or jagged, not limited to the utility model, the reflective surface 31 can also be a plurality of parallel convex edges, etc., the reflective surface 31 can reflect and refract the light emitted by the LED light source 20, and the utility model does not make limitation to this.

[0044] In order to make the lens 30 condense light, the bottom of the lens 30 is provided with a light inlet groove 33 at the position corresponding to the LED light source 20, and the lamp bead of the LED light source 20 is contained in the light inlet groove 33; the inner groove wall of the light inlet groove 33 extends towards the reflective surface 31 and forms a first light condensing arc surface 34, the outer groove wall of the light inlet groove 33 extends towards the light emitting surface 32 and forms a second light condensing arc surface 35, and the other end edge of the fixed part 41 extends outwards and forms a second light shielding surface 412;

[0045] The light emitted by the LED light source 20 directly passes through the reflective surface 31 after passing through the light inlet groove 33, a part of the reflected light passes through the light emitting surface 32 and shoots towards the second light shielding surface 412, the second light shielding surface 412 is used for shielding this part of light and diffusing reflection, so that this part of light is avoided from directly irradiating to the user, and another part shoots towards the back of the lamp assembly;

[0046] The light emitted by the LED light source 20 passes through the light groove 33, and then is divided into two parts after passing through the first light collecting arc surface 34, one part of which is emitted towards the back of the lamp assembly after being reflected by the reflecting surface 31 and then passing through the light emitting surface 32, and the other part is directly emitted towards the second light shielding surface 412 after passing through the light emitting surface 32, and the second light shielding surface 412 is used for shielding this part of light; the other part of the light emitted by the LED light source 20 passes through the second light collecting arc surface 35, and then is divided into two parts, one part of which is emitted towards the second light shielding surface 412 after passing through the light emitting surface 32 and being reflected by the reflecting surface 31, and the second light shielding surface 412 is used for shielding this part of light, and the other part is emitted towards the back of the lamp assembly after passing through the light emitting surface 32 and being reflected by the reflecting surface 31.

[0047] In order to install the fixed rear seat 50 and the lens support plate 60, the fixed rear seat 50 is arranged on the back of the heat dissipation mounting plate 10, a fixing screw is inserted into the fixed rear seat 50 after passing through the heat dissipation mounting plate 10, so as to fix the fixed rear seat 50 on the back of the heat dissipation mounting plate 10, and a first abutting boss 36 is arranged at the position corresponding to one end of the lens support plate 60 at the connection between the light emitting surface 32 and the second light collecting arc surface 35, the fixed rear seat 50 extends towards the other end of the lens support plate 60 and forms a supporting flange 51, the other end of the lens support plate 60 is provided with a second abutting boss 61, the first abutting boss 36 abuts one end of the lens support plate 60 and abuts the second abutting boss 61 at the other end of the lens support plate 60 to the supporting flange 51, so as to install the lens support plate 60 between the lens 30 and the fixed rear seat 50 and support the lens 30.

[0048] In the utility model, when the lens 30 is preferably circular, the light groove 33 is circular, and the corresponding LED light source 20 is circular, when the lens 30 is triangular, rectangular or square, the light groove 33 is linear, and the corresponding LED light source 20 is triangular, rectangular or square, and the LED light source 20 can be accommodated in the light groove 33 and emit light towards the light groove 33, and the utility model does not make limitation to this.

[0049] When the shape of the cross section of the light shield 40 is preferably circular, in order to fix the light shield 40, one end of the fixing part 41 is provided with a fixing groove 413, the inner wall of the fixing groove 413 is provided with an internal thread 4131, the front surface of the heat dissipation mounting plate 10 is formed with a fixing boss 11 extending towards the fixing groove 413, the outer side of the fixing boss 11 is provided with an external thread 111, after the fixing boss 11 extends into the fixing groove 413, the external thread 111 is screwed with the internal thread 4131, and then the light shield 40 is fixed on the front surface of the heat dissipation mounting plate 10; not limited to the utility model, when the cross section of the light shield 40 is triangular, rectangular or square, the light shield 40 can also be fixed on the front surface of the heat dissipation mounting plate 10 by using a fixing screw, and the utility model is not limited to this.

[0050] In order to dissipate heat of the LED light source 20, the back surface of the heat dissipation mounting plate 10 is provided with a plurality of heat dissipation fins 12, a heat dissipation gap 121 is arranged between two adjacent heat dissipation fins 12, the heat dissipation mounting plate 10 is provided with a heat dissipation through slot 13 at a position surrounding the fixing boss 11, the heat dissipation through slot 13 is communicated with the heat dissipation gap 121, and is used for guiding heat emitted by the LED light source 20 to the back surface of the heat dissipation mounting plate 10, and then dissipating heat of the LED light source 20 through the heat dissipation fins 12 and the heat dissipation through slot 13.

[0051] As shown in Figure 10 、 Figure 11 、 Figure 12 、 Figure 13 and Figure 14 , the utility model also provides a wall lamp, which comprises the lamp assembly 200 of expanding back light emitting range as described above; wherein the wall lamp is divided into two cases, one case is that the wall lamp cannot adjust the range of back light emitting, and one case is that the wall lamp can adjust the range of back light emitting, in addition to the wall lamp described above, the utility model also provides a ceiling lamp, the structure of the ceiling lamp is same with the wall lamp, the only difference is that the installation position of the ceiling lamp and the wall lamp is different, the ceiling lamp is installed on the ceiling, therefore, the utility model does not make too much superfluous words to this.

[0052] Specifically, in the case that the lamp assembly 200 of expanding back light emitting range cannot be adjusted, the fixing screw extends into the wall after passing through the fixing rear seat 50, and then the wall lamp is installed on the wall;

[0053] In the case that the light fixture assembly 200 capable of adjusting the enlarged back light emission range is capable of adjusting the light emission range of the wall lamp, the wall lamp further comprises an adjusting mounting seat 70 and a damping ring 80, the outer side of the adjusting mounting seat 70 is outwardly extended to form a damping ring mounting groove 71, and the damping ring 80 is embedded in the damping ring mounting groove 71; the fixing rear seat 50 is rearwardly extended to form an adjusting cylinder 52, the adjusting mounting seat 70 can slide along the direction of the adjusting cylinder 52 after being extended into the adjusting cylinder 52, the damping ring 80 is clamped between the damping ring mounting groove 71 and the inner wall of the adjusting cylinder 52 for adjusting the sliding damping of the adjusting mounting seat 70, the fixing screw is extended into the wall after passing through the adjusting mounting seat 70 for fixing, thereby mounting the wall lamp on the wall, and the enlarged back light emission range of the light fixture assembly 200 is adjusted by the cooperation of the adjusting cylinder 52, the adjusting mounting seat 70 and the damping ring 80.

[0054] When the cross section of the fixing rear seat 50 and the adjusting mounting seat 70 is circular, in order to avoid the adjusting mounting seat 70 from being pulled out of the adjusting cylinder 52, the opening of the adjusting cylinder 52 is provided with a limiting protrusion 521, the damping ring 80 is provided with a first gap 81, the damping ring mounting groove 71 is provided with a second gap 711, and the adjusting mounting seat 70 is slid into the adjusting cylinder 52 by the cooperation of the limiting protrusion 521, the first gap 81 and the second gap 711; the enlarged back light emission range of the light fixture assembly 200 is driven to rotate, so that the first gap 81 and the second gap 711 are staggered with the limiting protrusion 521, and the limiting protrusion 521 can abut against the groove wall of the damping ring mounting groove 71 for avoiding the adjusting mounting seat 70 from being pulled out of the adjusting cylinder 52.

[0055] When the cross section of the fixing rear seat 50 and the adjusting mounting seat 70 is triangular, rectangular or square, the adjusting mounting seat 70 cannot rotate relative to the adjusting cylinder 52, at this time, the limiting protrusion 521 is designed in a detachable mode, during installation, the limiting protrusion 521 is first detached, then the adjusting mounting seat 70 is extended into the adjusting cylinder 52, and then the limiting protrusion 521 is installed, the limiting protrusion 521 can abut against the groove wall of the damping ring mounting groove 71 for avoiding the adjusting mounting seat 70 from being pulled out of the adjusting cylinder 52, at this time, the first gap is not provided on the damping ring 80, and the second gap 711 is not provided on the damping ring mounting groove 71.

[0056] As Figure 15As shown in the utility model still provides a floor lamp, include: support rod, it still includes the lamp assembly 200 that expands back light emitting range as described above;The fixed portion 41 other end is fixed in the top of support rod 90, and then the lamp assembly 200 that expands back light emitting range and support rod 90 constitute the floor lamp.

[0057] As Figure 16 As shown in the utility model still provides a ceiling lamp, include: hanging rope 100, it still includes the lamp assembly 200 that expands back light emitting range as described above;The one end of hanging rope 100 is fixed in the ceiling, and the other end of hanging rope 100 is fixed in the fixed back seat 50, and then the lamp assembly 200 that expands back light emitting range is installed in the ceiling through hanging rope 100.

[0058] The utility model has been described in detail above in combination with the drawings, but the utility model is not limited to the described implementation. For those skilled in the art, under the condition that the principle and spirit of the present invention are not deviated, various changes, modifications, replacements and variations are carried out to these implementation, still fall into the protection scope of the utility model.

Claims

1. A lamp assembly for expanding the backlight range, characterized in that: include: A heat dissipation mounting plate, an LED light source, a lens, and a light shield, wherein the LED light source is mounted on the front of the heat dissipation mounting plate, a fixing portion is provided in the middle of the light shield, one end of the fixing portion is fixed to a side of the front of the heat dissipation mounting plate close to the LED light source, and the lens is sandwiched between the LED light source and the light shield; A reflective surface is provided on the top of the lens on a side close to the fixing portion, and a light-emitting surface is provided on a side away from the fixing portion. The reflective surface is inclined toward the light-emitting surface, and the portion of light emitted by the LED light source reflected by the reflective surface passes through the light-emitting surface and is emitted toward the back of the lamp assembly. The fixing portion is provided with a first shading surface at a position corresponding to the reflecting surface, which has the same inclination direction as the reflecting surface. The light emitted by the LED light source is refracted by the reflecting surface and emitted toward the first shading surface. The first shading surface is used to block the light refracted by the reflecting surface.

2. The lamp assembly for expanding the backlight range according to claim 1, wherein: The reflecting surface is in the shape of a facet, a convex point, a honeycomb or a sawtooth.

3. The lamp assembly for expanding the backlight range according to claim 1, wherein: The bottom of the lens is provided with a light inlet groove at a position corresponding to the LED light source, and the lamp beads of the LED light source are accommodated in the light inlet groove; The inner groove wall of the light-inlet groove extends toward the reflecting surface to form a first light-concentrating arc surface, the outer groove wall of the light-inlet groove extends toward the light-emitting surface to form a second light-concentrating arc surface, and the other end edge of the fixing portion extends outward to form a second light-shielding surface; A portion of the light emitted by the LED light source passes through the light inlet slot and is directly reflected by the reflective surface. A portion of the reflected light passes through the light emitting surface and is emitted toward the second light shielding surface, while the other portion is emitted toward the back of the lamp assembly. A portion of the light emitted by the LED light source passes through the light inlet groove and then passes through the first light-concentrating arc surface and is divided into two parts, one of which is reflected by the reflecting surface and then passes through the light-emitting surface to be emitted toward the back of the lamp assembly, and the other portion directly passes through the light-emitting surface and is emitted toward the second light-shielding surface, and the second light-shielding surface is used to block this portion of the light; The other part of the light emitted by the LED light source passes through the light inlet groove and is divided into two parts after passing through the second focusing arc surface. One part is reflected by the reflecting surface and then passes through the light emitting surface to be emitted toward the second shading surface. The second shading surface is used to block this part of the light, and the other part is reflected by the reflecting surface and then passes through the light emitting surface to be emitted toward the back of the lamp assembly.

4. The lamp assembly for expanding the backlight range as claimed in claim 3, wherein: The lamp assembly for expanding the backlighting range further comprises: a fixed rear seat and a lens support plate; The fixed rear seat is arranged on the back of the heat dissipation mounting plate, and the fixing screw passes through the heat dissipation mounting plate and extends into the fixed rear seat for fixing; A first abutment boss is provided at the connection between the light-emitting surface and the second light-focusing arc surface at a position corresponding to one end of the lens support plate, and the fixed rear seat extends toward the other end of the lens support plate to form a supporting convex edge. A second abutment boss is provided at the other end of the lens support plate, and the first abutment boss abuts against one end of the lens support plate to press the second abutment boss at the other end of the lens support plate against the supporting convex edge.

5. The lamp assembly for expanding the backlight range according to claim 4, wherein: A fixing groove is provided at one end of the fixing portion, an inner wall of the fixing groove is provided with an internal thread, the front side of the heat dissipation mounting plate extends toward the fixing groove to form a fixing boss, an outer side of the fixing boss is provided with an external thread, and after the fixing boss extends into the fixing groove, the external thread is screwed into the internal thread.

6. The lamp assembly for expanding the backlight range according to claim 5, wherein: A plurality of heat dissipation fins are provided on the back of the heat dissipation mounting plate, and a heat dissipation gap is provided between two adjacent heat dissipation fins. The heat dissipation mounting plate is provided with a heat dissipation groove at a position surrounding the fixed boss. The heat dissipation groove is connected to the heat dissipation gap and is used to conduct the heat emitted by the LED light source to the back of the heat dissipation mounting plate.

7. A wall lamp, characterized in that: A lamp assembly for expanding the backlight range as claimed in any one of claims 4 to 6; When the light emitting range of the lamp assembly with the expanded backlighting range cannot be adjusted, the fixing screw passes through the fixed back seat and extends into the wall for fixing.

8. A wall lamp, characterized in that: A lamp assembly for expanding the backlight range as claimed in any one of claims 4 to 6; In the case where the light output range of the lamp assembly that expands the backlight range can be adjusted, the wall lamp further includes: an adjustment mounting seat, and a damping ring, which extends outwardly around the outer side of the adjustment mounting seat to form a damping ring mounting groove, and the damping ring is embedded in the damping ring mounting groove; The fixed rear seat extends backward to form an adjustment cylinder. After the adjustment mounting seat is inserted into the adjustment cylinder, it can slide along the direction of the adjustment cylinder. The damping ring is clamped between the damping ring mounting groove and the inner wall of the adjustment cylinder to adjust the sliding damping of the adjustment mounting seat. The fixing screw passes through the adjustment mounting seat and extends into the wall for fixing.

9. The wall lamp according to claim 8, characterized in that A limiting protrusion is provided at the opening of the adjustment cylinder, a first clearance notch is provided on the damping ring, and a second clearance notch is provided on the damping ring mounting groove. The adjustment mounting seat slides into the adjustment cylinder through the cooperation of the limiting protrusion, the first clearance notch and the second clearance notch; The lamp assembly for expanding the backlight range is driven to rotate so that the first clearance gap and the second clearance gap are staggered with the limiting protrusion, and the limiting protrusion can abut the groove wall of the damping ring mounting groove to prevent the adjustment mounting seat from falling out of the adjustment cylinder.

10. A floor lamp comprising: The support rod is characterized in that it further comprises a lamp assembly for expanding the backlight range according to any one of claims 1 to 6; The other end of the fixing portion is fixed to the top of the support rod.

11. A chandelier comprising: The hanging rope is characterized in that it further comprises a lamp assembly for expanding the backlighting range according to any one of claims 4 to 6; One end of the hanging rope is fixed to the ceiling, and the other end of the hanging rope is fixed to the fixed rear seat.

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