Spotlight

Abstract

The utility model discloses a spot lamp which comprises a lamp tube assembly and a light-emitting assembly, the light-emitting assembly comprises a lamp holder and a light source module installed on the lamp holder, and the periphery of the lamp holder is provided with a spherical surface annularly distributed around the light source module; the lamp barrel assembly comprises a lamp barrel, the lamp barrel is provided with an assembling channel used for rotationally installing the lamp holder, the inner side wall of the lamp barrel is provided with a first O-shaped ring distributed in a protruding mode towards the assembling channel, the barrel wall of the lamp barrel is movably provided with at least one spring ball plunger located below the first O-shaped ring, and the spring ball plungers and the first O-shaped ring abut against the spherical surface. And the sphere center of the spherical surface is positioned between the first O-shaped ring and the spring ball head plunger. The O-shaped ring and the spring ball plunger are matched together to clamp and fix the lamp holder with the spherical surface, the lamp holder can rotate by a certain angle in any direction and keep positioning, and meanwhile, the lamp holder has a damping feedback effect and cannot scrape the surface of the spherical surface during rotation adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting equipment technical field especially relates to a spotlight. BACKGROUND

[0002] Spotlight is a kind of highly concentrated lamp, to achieve special lighting effect, generally need to adjust its irradiation angle.

[0003] Traditional spotlight generally adopts single shaft or double shaft's pivot structure or the structure that pivot and rotating ring are combined, these structures are more complex, when adjusting angle, will appear to be stuck, rotate incoherently etc. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of spotlight, adopts O type ring and spring ball head plunger cooperation clamping fixed with spherical surface lamp holder, since O type ring can provide damping effect, it is convenient for user to perceive damping force when adjusting, and will not produce the feeling of frustration, it is convenient to rotate and adjust the illumination angle of spotlight, very good to solve the problem mentioned in the above background technology.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of spotlight, including lamp cylinder assembly and light-emitting component, the light-emitting component includes lamp holder and the light source module installed on lamp holder, the outer periphery of the lamp holder has the spherical surface that is annularly distributed around the light source module;The lamp cylinder assembly includes lamp cylinder, the lamp cylinder has the assembly channel for rotatingly installing lamp holder, the inner side wall of the lamp cylinder is equipped with the first O type ring that is protrudingly distributed towards the assembly channel, at least one spring ball head plunger below the first O type ring is movably installed in the barrel wall of the lamp cylinder, the spring ball head plunger and the first O type ring are respectively with the spherical surface abut, the spherical center of the spherical surface is between the first O type ring and the spring ball head plunger.

[0007] Further, the lamp cylinder is connected with the lamp holder between safety rope.

[0008] Specifically, one end of safety rope is locked and fixedly connected with lamp cylinder by screw, another end of safety rope is installed with buckle ring, and the upper portion of lamp holder is provided with hanging hole for connecting buckle ring.

[0009] Further, the inner side wall of the lamp cylinder is provided with the second O type ring that is protrudingly distributed towards the assembly channel, the second O type ring is below the first O type ring, and the second O type ring abuts against the spherical surface.

[0010] Further, the inner side wall and the outer side wall of the lamp cylinder are provided with fireproof cotton rings, and the fireproof cotton rings on the inner side wall of the lamp cylinder are distributed between the first O-shaped ring and the second O-shaped ring.

[0011] Specifically, the fireproof cotton rings on the inner side wall of the lamp cylinder are circular fireproof cotton sheets, and the fireproof cotton rings on the outer side wall of the lamp cylinder are composed of two semicircular fireproof cotton sheets. The inner side wall and the outer side wall of the lamp cylinder are correspondingly provided with annular grooves for clamping and installing the first O-shaped ring, the second O-shaped ring and the fireproof cotton rings.

[0012] Further, the cylinder wall of the lamp cylinder is provided with a threaded hole for assembling the spring ball head plunger, and the central axis of the threaded hole intersects the central axis of the lamp cylinder.

[0013] Further, the number of spring ball head plungers is multiple, and the multiple spring ball head plungers are distributed in a circular array along the central axis of the lamp cylinder.

[0014] For example, the number of spring ball head plungers is four.

[0015] Further, the light source module includes an LED module, a heat sink, a lens, a mounting ring and a fixing ring, the lamp holder is provided with a threaded mounting groove for mounting the light source module, the outer peripheral wall of the mounting ring is connected with the threaded mounting groove through threads, the outer peripheral wall of the heat sink is connected with the inner peripheral wall of the mounting ring through threads, the LED module is installed at the lower part of the heat sink, the lens is located below the LED module, and the outer peripheral edge of the lens is located between the mounting ring and the fixing ring, and one end of the threaded mounting groove away from the heat sink is provided with a positioning convex ring abutting against the fixing ring.

[0016] Further, a water blocking gasket is arranged between the lens and the fixing ring, and a third O-shaped ring is arranged between the fixing ring and the lamp holder.

[0017] Specifically, the LED module is fixed on the heat sink through cooperation and locking of an LED support and a screw. A wire locker is installed at one end of the heat sink away from the LED module.

[0018] Further, the spotlight further includes a mounting bracket, the mounting bracket has a placing entrance for the lamp cylinder assembly to pass through, and support plates vertically distributed with the mounting bracket are symmetrically arranged at both sides of the placing entrance, and the support plates are connected with the lamp cylinder through screws.

[0019] Further, the side wall of the lamp cylinder is provided with a positioning slot for plug-in connection with the support plate.

[0020] The spring ball head plunger is also called ball head plunger or positioning bead / cylinder, and a spring is arranged in the screw thread to set a pre-pressure on the bead, and the pre-tightening force is adjusted by controlling the screwing depth, and the positioning function is realized.

[0021] Compared with the prior art, the spotlight has the following beneficial effects:

[0022] The lamp holder with the spherical surface is clamped and fixed by the O-shaped ring and the spring ball head plunger, and can be rotated by a certain angle in any direction; and when rotating and adjusting, the spherical surface on the lamp holder only contacts the beads on the O-shaped ring and the spring ball head plunger, and the surface will not be scratched. In addition, since the O-shaped ring and the spring ball head plunger can both provide damping effect, the user can feel the damping force when adjusting, and the feeling of jerk will not be generated, so that the lighting angle of the spotlight is conveniently rotated and adjusted; at the same time, under the elastic cooperation of the O-shaped ring and the spring ball head plunger, the lamp holder will not be loose and can be positioned at any position. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0024] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0025] Figure 2 It is an overall assembly schematic diagram of the present application;

[0026] Figure 3 It is a three-dimensional structure schematic diagram of the lamp cylinder assembly;

[0027] Figure 4 It is an assembly schematic diagram of the lamp cylinder assembly;

[0028] Figure 5 It is a three-dimensional structure schematic diagram of the light emitting assembly;

[0029] Figure 6 It is an assembly schematic diagram of the light emitting assembly;

[0030] Figure 7 It is a half-section structure schematic diagram of the present application;

[0031] Figure 8 It is a schematic diagram of the present application when rotating and adjusting the lighting angle.

[0032] Reference signs: 1, lamp cylinder assembly; 11, lamp cylinder; 111, assembly channel; 112, threaded hole; 113, positioning slot; 12, first O-ring; 13, spring ball head plunger; 14, second O-ring; 15, fireproof cotton ring; 2, light emitting assembly; 21, lamp holder; 211, spherical surface; 212, hanging hole; 213, threaded installation groove; 214, positioning convex ring; 22, light source module; 221, LED module; 222, radiator; 223, lens; 224, installation ring; 225, fixing ring; 226, LED support; 227, wire locker; 23, water blocking gasket; 24, third O-ring; 3, safety rope; 31, clasp; 4, installation support; 41, setting inlet; 42, support plate. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described clearly and completely below by means of specific embodiments and in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] Please refer to Figures 1-8The embodiment provides a spotlight, which comprises a lamp cylinder assembly 1 and a light-emitting assembly 2, the light-emitting assembly 2 comprises a lamp holder 21 and a light source module 22 installed on the lamp holder 21, and the outer periphery of the lamp holder 21 is provided with a spherical surface 211 which is annularly distributed around the light source module 22; the lamp cylinder assembly 1 comprises a lamp cylinder 11, the lamp cylinder 11 is provided with an assembly channel 111 for rotatably installing the lamp holder 21, the inner side wall of the lamp cylinder 11 is provided with a first O-shaped ring 12 which is distributed in a convex manner towards the assembly channel 111, and at least one spring ball plunger 13 is movably installed on the cylinder wall of the lamp cylinder 11 and located below the first O-shaped ring 12, the spring ball plunger 13 and the first O-shaped ring 12 respectively abut against the spherical surface 211, and the spherical center of the spherical surface 211 is located between the first O-shaped ring 12 and the spring ball plunger 13. Wherein, the spring ball plunger is also called a ball plunger or a positioning bead / cylinder, a spring is arranged in the screw thread to set an elastic pre-pressing force on the bead, the pre-tightening force is adjusted by controlling the screwing depth, and the positioning function is realized. The lamp holder with the spherical surface is clamped and fixed by the O-shaped ring and the spring ball plunger, so that a universal rotating structure which is convenient for adjusting the lighting angle is formed, the spotlight can be rotated by a certain angle in any direction, and when the spotlight is rotated and adjusted, the spherical surface on the lamp holder only contacts the beads on the O-shaped ring and the spring ball plunger, and the surface is not scratched. In addition, the O-shaped ring and the spring ball plunger can both provide damping effect, the user can feel the damping force when adjusting, the feeling of jerk is not generated, and the lighting angle of the spotlight is conveniently rotated and adjusted. Meanwhile, under the elastic cooperation of the O-shaped ring and the spring ball plunger, the lamp holder cannot be loosened and can be positioned at any position.

[0035] In some specific embodiments, referring to Figure 2 and Figure 4 , the cylinder wall of the lamp cylinder 11 is provided with a threaded hole 112 for assembling the spring ball plunger 13, and the central axis of the threaded hole 112 intersects the central axis of the lamp cylinder 11. In this way, the spring ball plunger abuts against the spherical surface of the lamp holder from the outside to the inside.

[0036] As a preferred embodiment, referring to Figures 1-4 , the number of the spring ball plungers 13 is multiple, and the multiple spring ball plungers 13 are circumferentially arrayed along the central axis of the lamp cylinder 11, so that the lamp holder can be more stably installed. As an example, the number of the spring ball plungers 13 is four, so that the lamp holder can be clamped from all around.

[0037] In some specific embodiments, referring to Figure 3 、 Figure 4 、 Figure 7 and Figure 8The inner side wall of the lamp cylinder 11 is provided with a second O-shaped ring 14 protruding towards the assembly channel 111, the second O-shaped ring 14 is below the first O-shaped ring 12, and the second O-shaped ring 12 abuts against the spherical surface 211. In this way, the damping effect can be increased, the stability of the lamp holder installation and the smoothness during rotation adjustment can be improved. Preferably, the cross-sectional diameter of the second O-shaped ring 14 is smaller than that of the first O-shaped ring 12.

[0038] As an improved embodiment, with reference to Figure 1 、 Figure 3 、 Figure 4 、 Figure 7 and Figure 8 , the inner side wall and the outer side wall of the lamp cylinder 11 are both provided with fireproof cotton rings 15, and the fireproof cotton ring located on the inner side wall of the lamp cylinder 11 is distributed between the first O-shaped ring 12 and the second O-shaped ring 14. The fireproof cotton ring is made of fireproof cotton material with heat expansion fireproof property, which can quickly burst and cover the lamp when encountering high temperature fire, thereby preventing the occurrence of fire. By setting the fireproof cotton ring, the effect of fire prevention and heat insulation can be achieved.

[0039] Specifically, as shown in Figure 4 and Figure 8 , the fireproof cotton ring located on the inner side wall of the lamp cylinder is a circular fireproof cotton sheet, and the fireproof cotton ring located on the outer side wall of the lamp cylinder is composed of two semicircular fireproof cotton sheets. The inner side wall and the outer side wall of the lamp cylinder are correspondingly provided with annular grooves for clamping and installing the first O-shaped ring, the second O-shaped ring and the fireproof cotton ring.

[0040] In some embodiments, with reference to Figures 1-5 , the lamp cylinder 11 is connected with the lamp holder 21 through a safety rope 3. Specifically, one end of the safety rope 3 is fixedly connected with the lamp cylinder 11 through a screw, the other end of the safety rope 3 is provided with a buckle ring 31, and the upper part of the lamp holder 21 is provided with a hanging hole 212 for connecting the buckle ring 31. By installing the safety rope, the lamp holder can be prevented from falling off the lamp cylinder.

[0041] In some specific embodiments, with reference to Figure 1 、 Figure 2 、 Figures 5-8The light source module 22 comprises an LED module 221, a heat sink 222, a lens 223, a mounting ring 224 and a fixing ring 225. The lamp holder 21 is provided with a threaded mounting groove 213 for mounting the light source module 22. The outer peripheral wall of the mounting ring 224 is connected with the threaded mounting groove 213 by screwing. The outer peripheral wall of the heat sink 222 is connected with the inner peripheral wall of the mounting ring 224 by screwing. The LED module 221 is mounted on the lower part of the heat sink 222. The lens 223 is located below the LED module 221 and the outer peripheral edge of the lens 223 is located between the mounting ring 224 and the fixing ring 225. The end of the threaded mounting groove 213 away from the heat sink 222 is provided with a positioning convex ring 214 abutting against the fixing ring 225. Specifically, the LED module 221 is fixed on the heat sink 222 by the cooperation of an LED support 226 and a screw. The end of the heat sink 222 away from the LED module 221 is provided with a wire locker 227 for locking and fixing the power cord.

[0042] As an improved embodiment, reference is made to Figures 5-8 A water-blocking gasket 23 is arranged between the lens 223 and the fixing ring 225, and a third O-ring 24 is arranged between the fixing ring 225 and the lamp holder 21, so as to increase the waterproof sealing performance.

[0043] In addition, in some embodiments, reference is made to Figures 1-3 、 Figure 7 and Figure 8 The downlight further comprises a mounting bracket 4 having an insertion opening 41 for the lamp cylinder assembly 1 to pass through. Support plates 42 vertically distributed with the mounting bracket 4 are symmetrically arranged on both sides of the insertion opening 41. The support plates 42 are connected with the lamp cylinder 11 by screws. Thus, the assembled downlight can be conveniently fixed on the ceiling by the mounting bracket.

[0044] In some specific embodiments, as shown in Figure 3 The side wall of the lamp cylinder 11 is provided with a positioning slot 113 for plug-in connection with the support plate 42.

[0045] During assembly, as shown in Figure 2As shown, first push the light-emitting assembly 2 into the assembling channel 111 of the lamp cylinder 11 from bottom to top until the spherical surface 211 on the lamp holder 21 abuts against the first O-ring 12 and the second O-ring 14 in the assembling channel 111, then twist the spring ball plunger 13 on the lamp cylinder 11 to elastically abut and fix the lamp holder 21 by the beads on the spring ball plunger 13, preventing the light-emitting assembly 2 from falling out; then pass the assembled lamp cylinder assembly 1 and the light-emitting assembly 2 through the installation entrance 41 of the installation support 4 from bottom to top, so that the support plates 42 on both sides of the installation support 4 are correspondingly inserted into the positioning slots 113 on both sides of the lamp cylinder 11, and the lamp cylinder 11 and the support plates 42 on the installation support 4 are locked and fixed together by screws; then buckle the buckle 31 on the safety rope 3 with the hanging hole 212 on the lamp holder 21, and the assembly is completed as shown. Figure 1

[0046] Since the O-ring and the spring ball plunger are used to cooperatively clamp and fix the lamp holder with the spherical surface, the lamp holder can be rotated at an angle in any direction. When adjusting the illumination angle, as shown, Figure 8 the spherical surface on the lamp holder only contacts the O-ring and the beads on the spring ball plunger, the beads on the spring ball plunger are elastically connected with the spherical surface on the lamp holder in a spherical rolling manner, and the O-ring is elastically connected with the spherical surface on the lamp holder in a sliding manner and provides a damping effect, thereby ensuring a good hand feeling when the spotlight is rotated to adjust the illumination angle, and facilitating operation and adjustment and positioning the lamp holder at any position.

[0047] The above embodiments only exemplarily illustrate the concept and technical solution of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

[0048] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.​

Claims

1. A spotlight, comprising a lamp barrel assembly and a light-emitting component, characterized in that, The light-emitting component includes a lamp holder and a light source module mounted on the lamp holder. The outer periphery of the lamp holder has a spherical surface distributed annularly around the light source module. The lamp tube assembly includes a lamp tube with an assembly channel for rotatably mounting the lamp holder. The inner sidewall of the lamp tube is provided with a first O-ring protruding towards the assembly channel. At least one spring ball plunger located below the first O-ring is movably mounted on the wall of the lamp tube. The spring ball plunger and the first O-ring respectively abut against the spherical surface. The center of the spherical surface is located between the first O-ring and the spring ball plunger.

2. The spotlight according to claim 1, characterized in that, A safety rope is connected between the lamp tube and the lamp holder.

3. The spotlight according to claim 1, characterized in that, The inner wall of the lamp tube is provided with a second O-ring that protrudes toward the assembly channel. The second O-ring is located below the first O-ring and abuts against the spherical surface.

4. The spotlight according to claim 3, characterized in that, Both the inner and outer walls of the lamp tube are provided with fireproof cotton rings, and the fireproof cotton rings on the inner wall of the lamp tube are distributed between the first O-ring and the second O-ring.

5. The spotlight according to claim 1, characterized in that, The lamp tube has a threaded hole in its wall for assembling the spring ball plunger, and the central axis of the threaded hole intersects with the central axis of the lamp tube.

6. The spotlight according to claim 5, characterized in that, The number of spring ball plungers is provided in multiples, and the multiple spring ball plungers are distributed in a circumferential array along the central axis of the lamp tube.

7. The spotlight according to claim 1, characterized in that, The light source module includes an LED module, a heat sink, a lens, a mounting ring, and a fixing ring. The lamp holder has a threaded mounting groove for mounting the light source module. The outer peripheral wall of the mounting ring is connected to the threaded mounting groove by threads. The outer peripheral wall of the heat sink is connected to the inner peripheral wall of the mounting ring by threads. The LED module is mounted on the lower part of the heat sink. The lens is located below the LED module, and the outer peripheral edge of the lens is located between the mounting ring and the fixing ring. The end of the threaded mounting groove away from the heat sink has a positioning protrusion that abuts against the fixing ring.

8. The spotlight according to claim 7, characterized in that, A water-blocking gasket is provided between the lens and the fixing ring, and a third O-ring is provided between the fixing ring and the lamp holder.

9. The spotlight according to any one of claims 1 to 8, characterized in that, It also includes a mounting bracket having an inlet for the lamp assembly to pass through, and symmetrically arranged support plates perpendicular to the mounting bracket on both sides of the inlet, the support plates being connected to the lamp by screws.

10. The spotlight according to claim 9, characterized in that, The lamp tube has a positioning slot on its side wall that can be inserted and connected to the support plate.

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