CN212723639U - Projection lamp - Google Patents
Projection lamp Download PDFInfo
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- CN212723639U CN212723639U CN202021676293.2U CN202021676293U CN212723639U CN 212723639 U CN212723639 U CN 212723639U CN 202021676293 U CN202021676293 U CN 202021676293U CN 212723639 U CN212723639 U CN 212723639U
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Abstract
The utility model discloses a projection lamp, which comprises a lamp tube, a focusing tube and a bracket mounting ring provided with a film bracket; the bracket mounting ring is connected between the focusing barrel and the front end of the lamp barrel; the lamp tube is internally provided with a radiator, a heat conducting piece, a circuit board with at least two light sources, a light mixer and a lamp tube lens; the heat conducting piece is arranged on the radiator, the circuit board is in contact with the heat conducting piece, and the light mixer is positioned between the lamp tube lens and the circuit board; at least one focusing lens capable of moving along the axial direction of the focusing barrel is installed in the focusing barrel. The utility model discloses a projection lamp can realize the projection of multiple color to can improve projection brightness degree and projection effect, can also adjust projection lamp every single move and shine angle and horizontal irradiation range.
Description
Technical Field
The utility model relates to a projection equipment technical field especially relates to a projection lamp.
Background
The projection lamp is a projection instrument capable of projecting the patterns in the film, the patterns can be characters or various pictures, and the patterns and the light are combined by the projection lamp to create visual effects and other effects different from conventional light.
Projection lamps in the prior art generally adopt a monochromatic light source, and the brightness degree of the projection effect needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an effectual projection lamp of projection.
The technical scheme of the utility model provides a projection lamp, which comprises a lamp tube, a focusing tube and a bracket mounting ring provided with a film bracket;
the bracket mounting ring is connected between the focusing barrel and the front end of the lamp barrel;
the lamp tube is internally provided with a radiator, a heat conducting piece, a circuit board with at least two light sources, a light mixer and a lamp tube lens;
the heat conducting piece is arranged on the radiator, the circuit board is in contact with the heat conducting piece, and the light mixer is positioned between the lamp tube lens and the circuit board;
at least one focusing lens capable of moving along the axial direction of the focusing barrel is installed in the focusing barrel.
Further, the light mixer comprises a light guide main body and a light guide cylinder connected with the light guide main body;
at least two light guide columns are arranged on one side of the light guide main body facing the light source, and a light guide terminal is arranged on one side of the light guide main body facing the light guide cylinder;
each light source corresponds to one light guide column, and the light guide terminal is embedded in the light guide cylinder.
Further, the heat conducting piece is a copper insert.
Furthermore, the radiator is provided with a radiator groove, and the heat conducting piece is provided with a heat conducting piece protruding part;
the heat conducting part protruding part is embedded in the radiator groove.
Further, a fixing ring is installed in the lamp cylinder, and the bracket mounting ring is connected with the fixing ring;
the bracket mounting ring is connected with a connecting ring, and the focusing barrel is detachably connected with the connecting ring;
the film carrier mounting ring has a mounting ring groove, and the film carrier is arranged in the mounting ring groove in a pluggable manner.
Further, the connecting ring is connected with a baffle mounting ring;
the baffle plate mounting ring is provided with at least one shielding piece capable of shielding the central hole of the baffle plate mounting ring.
Furthermore, the focusing barrel comprises a fixed barrel and a rotating ring, and the fixed barrel is detachably connected with the lamp barrel;
the rotating ring is sleeved on the fixed cylinder and can rotate on the fixed cylinder;
a cylinder wall opening part extending along the axial direction is arranged on the cylinder wall of the fixed cylinder;
the focusing lens is arranged in the fixed cylinder through a lens mounting ring;
the lens mounting ring is provided with a boss, and the boss is positioned in the opening part of the cylinder wall and can slide along the opening part of the cylinder wall;
the inner surface of the rotating ring is provided with a spiral groove, and the boss is provided with a convex rib;
the convex ribs are in clearance fit in the spiral grooves.
Further, a guide rail extending in the axial direction is provided on the inner surface of the fixed cylinder;
a guide groove is arranged on the outer surface of the lens mounting ring;
the guide rail is in clearance fit with the guide groove.
Further, two rotating rings arranged in the front and back are assembled on the fixed cylinder, two lens mounting rings are arranged in the fixed cylinder in the front and back, and the focusing lens is arranged in each lens mounting ring;
correspondingly, the fixed cylinder is provided with two cylinder wall opening parts which are arranged in the front and the back on the fixed cylinder;
the bosses on the two lens mounting rings respectively and correspondingly penetrate through the two cylinder wall opening parts;
the convex ribs on the two bosses are respectively matched with the spiral grooves in the two rotating rings correspondingly.
Furthermore, a suspension piece is connected to the lamp tube;
the suspension part comprises a ceiling tray, a suspension arm, a spring clamp fixing ring and a spring clamp;
the lower end of the suspension arm is pivotally connected with the lamp cylinder, and the upper end of the suspension arm is pivotally connected with the ceiling tray;
the spring clamp fixing ring is fixedly arranged on the ceiling tray, and the spring clamp is arranged on the spring clamp fixing ring.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a projection lamp is through setting up the light source more than two to the configuration mixes the optical organ, can realize the projection of multiple color, and can improve projection brightness degree and projection effect.
The utility model provides a projection lamp can focus through configuration focusing section of thick bamboo, has further improved the projection effect.
The utility model provides a projection lamp, but the davit and the lamp section of thick bamboo pivotal connection of its flying piece, but the davit still with inhale a set pivotal connection, can adjust projection lamp every single move and shine angle and horizontal irradiation scope.
Drawings
Fig. 1 is a perspective view of a projection lamp according to an embodiment of the present invention at a first angle;
fig. 2 is a perspective view of a projection lamp according to a second angle provided by an embodiment of the present invention;
fig. 3 is a cross-sectional view of a projection lamp according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a lamp barrel with a heat sink, a heat conductive member, a circuit board, a light mixer, and a barrel lens mounted thereon;
FIG. 5 is an exploded view of the suspension member and the lamp barrel;
FIG. 6 is an exploded view of the heat sink, the thermal conductor mounting ring, the circuit board, and the light mixer;
FIG. 7 is a perspective view of the light mixer;
FIG. 8 is a top view of the light mixer;
FIG. 9 is a cross-sectional view of the light mixer shown in FIG. 8 taken along A-A;
FIG. 10 is a cross-sectional view of a focus barrel;
FIG. 11 is an exploded view of the focus barrel;
FIG. 12 is a perspective view of the rotating ring;
FIG. 13 is a perspective view of the lens mounting ring;
FIG. 14 is an exploded view of the securing ring, carriage mounting ring and film carriage;
fig. 15 is an exploded view of the connecting ring, the fixing ring, the flap mounting ring, and the shielding flap.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-6 and 14, a projection lamp according to an embodiment of the present invention includes a lamp barrel 1, a focusing barrel 2, and a bracket mounting ring 4 configured with a film bracket 41.
The bracket mounting ring 4 is mounted between the focusing barrel 2 and the front end of the lamp barrel 1. The lamp barrel 1 is provided therein with a heat sink 11, a heat conductive member 12, a circuit board 13 having at least two light sources 131, a light mixer 14, and a lamp barrel lens 15.
The heat conductive member 12 is mounted on the heat sink 11, the circuit board 13 is in contact with the heat conductive member 12, and the light mixer 14 is mounted between the barrel lens 15 and the circuit board 13.
At least one focus lens 20 is mounted in the focus cylinder 2 so as to be movable in the axial direction of the focus cylinder 2.
The utility model provides a projection lamp is used for the pattern to cast. The projection lamp mainly comprises a lamp tube 1, a focusing tube 2, a suspension member 3 and a bracket mounting ring 4.
The bracket mounting ring 4 is mounted on the front end of the lamp tube 1, and the focusing tube 2 is directly or indirectly connected with the bracket mounting ring 4. The bracket mounting ring 4 and the lamp tube 1 can be connected through threads or pins, and the focusing tube 2 and the bracket mounting ring 4 can be connected through threads or pins.
The focusing barrel 2 is provided with a focusing lens 20, and the focusing lens 20 can move back and forth in the focusing barrel 2 for focusing so as to meet the requirements of projection definition and projection angle. The focus lens 20 is a convex lens.
The holder mounting ring 4 is provided with a film holder 41 which can be inserted and pulled, the film holder 41 is used for placing a film, and when light passes through the film on the film holder 41, information such as patterns, characters and the like on the film can be projected.
The lamp tube 1 is mounted with a heat sink 11, a heat conductor 12, a circuit board 13, a light mixer 14, and a lamp tube lens 15 in this order from the rear to the front. The circuit board 13 has at least two light sources 131 thereon. Light source 131 may be an LED lamp bead. The two or more light sources 131 may be selected to emit light of the same color, or may be selected to emit light of different colors. The circuit board 13 is connected to an external circuit through a wire, and may be connected to a battery.
The heat conduction member 12 is fixedly mounted on the front end of the heat sink 11 via a heat conduction member mounting ring 121. The circuit board 13 is mounted on the heat-conducting member 12. The light source 131 is mounted on the front side surface of the circuit board 13. Heat generated when the light source 131 emits light is transferred to the heat sink 11 through the heat conductive member 12, and is radiated from the heat sink 11. The heat-conducting member 12 may be a metal heat-conducting element.
The barrel lens 15 is a convex lens, which is mounted in the barrel 1 by a barrel lens mounting ring 151. The rear end of the light mixer 14 is mounted on the circuit board 13, and the front end of the light mixer 14 faces the barrel lens 15. The light mixer 14 is configured to mix light emitted from two or more light sources 131 and transmit the mixed light to the tube lens 15. The light is focused through the tube lens 15 and projected onto the film on the film holder 41. The light passes through the film, is focused by the focusing lens 20, and is finally projected to a specified area.
The barrel lens 15 is used to adjust light focused on a film of the film holder 41, and the focusing lens 20 is used to focus the projected light to adjust a light irradiation range, sharpness, and the like.
The light mixer 14 can mix the light of different colors to output pure white light or colored light, so as to meet the requirement of projection color. The light mixer 14 may mix the brightness of different lights to increase the illumination intensity.
The mixed light is also called as mixed light, and means that two or more visible lights with different frequencies are mixed together under certain visible conditions.
In one embodiment, as shown in fig. 4, 6-9, the light mixer 14 includes a light guide body 141 and a light guide cylinder 142 connected to the light guide body 141.
At least two light guide columns 1411 are disposed on one side of the light guide body 141 facing the light source 131, and a light guide terminal 1412 is disposed on one side of the light guide body 141 facing the light guide cylinder 142.
Each light source 131 corresponds to one light guide pillar 1411, and the light guide terminal 1412 is embedded in the light guide cylinder 142.
The light mixer 14 is a light guide element, and includes a light guide body 141 and a light guide cylinder 142.
The light mixer 14 is made of a light-guiding material, which can guide light, for example, an optical grade acrylic/PC plate can be used.
At least two light guide pillars 1411 facing the light source 131 are disposed at one side of the light guide body 141. The number of the light sources 131 is the same as that of the light guide columns 1411, one light guide column 1411 corresponds to the front side of each light source 131, and the light guide columns 1411 are used for conducting light emitted by the light sources 131.
The other side of the light guide body 141 has one light guide terminal 1412. The light guide terminal 1412 is embedded in the rear end of the light guide cylinder 142. The light guide terminal 1412 is used for mixing the light transmitted from the light guide posts 1411, transmitting the mixed light to the light guide cylinder 142, and finally transmitting the mixed light out from the light guide cylinder 142.
In one embodiment, the heat conducting member 12 is a copper insert, which has good heat conducting effect.
In one embodiment, as shown in fig. 6, the heat sink 11 has a heat sink groove 111, and the heat-conducting member 12 has a heat-conducting member protrusion 121 thereon, and the heat-conducting member protrusion 121 is embedded in the heat sink groove 111.
In one embodiment, as shown in fig. 3-4 and 14, the lamp cartridge 1 has a fixing ring 16 mounted therein, and the bracket mounting ring 4 is coupled to the fixing ring 16.
The bracket mounting ring 4 is connected with a connecting ring 5, and the focusing barrel 2 is detachably connected with the connecting ring 5.
The carriage mounting ring 4 has a mounting ring groove 40, and a film carriage 41 is disposed in the mounting ring groove 40 in a pluggable manner.
The fixing ring 16 is fixed in the front end opening of the lamp cartridge 1 by a pin 161, and the bracket mounting ring 4 is connected with the fixing ring 16 by a screw. The connecting ring 5 is connected to the front side of the bracket mounting ring 4 through screws, and the focusing barrel 2 is mounted on the connecting ring 5. The focusing barrel 2 can be arranged on the connecting ring 5 through a clamping structure or a thread structure, and the detachable connection of the focusing barrel 2 and the connecting ring 5 is realized, so that the focusing barrel 2 can be replaced.
The side of the bracket mounting ring 4 facing the fixing ring 16 is provided with a mounting ring groove 40, and the film bracket 41 is arranged in the mounting ring groove 40 and can be inserted into the mounting ring groove 40 or pulled out from the mounting ring groove 40, so that the film can be conveniently replaced to project different patterns or characters.
In one embodiment, as shown in fig. 3 and 15, a flap mounting ring 6 is attached to the attachment ring 5. The flap attaching ring 6 is provided with at least one shielding piece 61 capable of shielding the center hole 60 of the flap attaching ring 6.
The separation blade collar 6 can be installed in the rear end opening of go-between 5, shelters from piece 61 and installs on separation blade collar 6, can shelter from the position of piece 61 on separation blade collar 6 through removing to shelter from this separation blade collar 6's centre bore 60, thereby change the area that can the light-emitting, change the light type.
The separation blade installing ring 6 can be a magnetic ring, and the shielding piece 61 can be a metal separation blade capable of being adsorbed by a magnet, so that the shielding piece 61 can be moved and adsorbed and fixed on the separation blade installing ring 6 at will.
In one embodiment, as shown in fig. 10-13, the focusing barrel 2 comprises a fixed barrel 21 and a rotating ring 22, and the fixed barrel 21 is detachably connected with the lamp barrel 1.
The rotating ring 22 is fitted over the fixed cylinder 21 and can rotate on the fixed cylinder 21.
The fixed cylinder 21 has a cylinder wall opening 211 extending in the axial direction.
The focus lens 20 is mounted in a fixed barrel 21 through a lens mounting ring 23.
The lens mount ring 23 is provided with a boss 231, and the boss 231 is positioned in the cylindrical wall opening 211 and is slidable along the cylindrical wall opening 211.
The inner surface of the rotating ring 22 is provided with a spiral groove 221, and the boss 231 is provided with a rib 232.
The ribs 232 are a clearance fit within the helical groove 221.
The focus tube 2 includes a focus lens 20, a fixed tube 21, a rotary ring 22, a lens mounting ring 23, and an end cap 24.
The fixed cylinder 21 is detachably connected with the lamp cylinder 1, the fixed cylinder 21 can also be detachably connected with the bracket mounting ring 4, and the fixed cylinder 21 can also be detachably connected with the connecting ring 5. The fixed cylinder 21 has a cylinder wall opening 211 in its cylinder wall, and the cylinder wall opening 211 extends in the axial direction. The cylindrical wall opening 211 is a long opening.
The rotating ring 22 is fitted over the fixed cylinder 21, and is rotatable on the fixed cylinder 21. The outer surface of the rotating ring 22 is provided with an anti-slip portion 220, which is beneficial for a user to hold the rotating ring 22 to rotate. A spiral groove 221 is provided on the inner surface of the rotating ring 22, and the spiral groove 221 is spirally arranged on the inner surface of the rotating ring 22, which extends in the axial direction of the rotating ring 22.
A boss 231 is integrally formed on the outer surface of the lens mount ring 23, which protrudes outward in the radial direction of the lens mount ring 23. A rib 232 is integrally formed on the surface of the boss 231, which can be engaged with the spiral groove 221.
During assembly, the boss 231 is inserted into the cylindrical wall opening 211 and is in clearance fit with the cylindrical wall opening 211, so that the boss 231 can slide back and forth along the cylindrical wall opening 211. The rib 232 fits within the spiral groove 221 with a clearance fit with the spiral groove 221 so that the rib 232 can slide relative to the spiral groove 221.
The focus lens 20 is fitted in the lens mount ring 23. When not in use, the end cover 24 can be buckled at the front end of the fixed cylinder 21 to play a role of dust prevention.
When focusing is needed, the rotating ring 22 can be rotated on the fixed cylinder 21, the convex rib 232 can move back and forth under the action of the spiral groove 221, the boss 231 is further driven to slide back and forth in the opening part 211 of the cylinder wall, finally, the lens mounting ring 23 and the focusing lens 20 can be driven to slide back and forth in the fixed cylinder 21, the distance between the focusing lens 20 and the bracket mounting ring 4 is adjusted, and the projection focusing function is realized.
In one embodiment, as shown in fig. 10 and 13, a guide rail 212 extending in the axial direction is provided on the inner surface of the fixed cylinder 21. A guide groove 233 is provided on the outer surface of the lens mount ring 23. The guide rail 212 is clearance-fitted with the guide groove 233.
The guide rail 212 may be a guide rib provided on the inner surface of the fixed cylinder 21, which extends in the axial direction of the fixed cylinder 21. The guide rail 212 is loosely fitted in the guide groove 233 to be slidable relative thereto, and provides a guide function for the forward and backward movement of the lens mount ring 23.
In one embodiment, as shown in fig. 10 to 13, two rotating rings 22 arranged in tandem are mounted on a fixed cylinder 21, two lens mount rings 23 are arranged in tandem in the fixed cylinder 21, and a focus lens 20 is disposed in each lens mount ring 23.
Accordingly, two cylindrical wall opening portions 211 are provided in the fixed cylinder 21, and the two cylindrical wall opening portions 211 are arranged in the fixed cylinder 21 in the front-rear direction.
The bosses 231 of the two lens mount rings 23 are respectively inserted through the two cylindrical wall openings 211.
The ribs 232 on the two bosses 231 are respectively matched with the spiral grooves 221 in the two rotating rings 22 correspondingly.
That is, two rotating rings 22 are disposed in the fixed cylinder 21, two lens mount rings 23 to which the focus lens 20 is mounted are disposed in the fixed cylinder 21, and two cylinder wall openings 211 are disposed in the fixed cylinder 21.
The two rotating rings 22 are arranged on the fixed cylinder 21 at intervals in the front-rear direction, the two lens mounting rings 23 are arranged in the fixed cylinder 21 at intervals in the front-rear direction, and the two cylinder wall opening portions 211 are arranged on the fixed cylinder 21 at intervals in the front-rear direction.
When assembling, the boss 231 on the lens mounting ring 23 on the front side passes through the cylinder wall opening part 211 on the front side, and the convex rib 232 on the boss 231 is matched with the spiral groove 221 in the rotating ring 22 on the front side; the boss 231 of the lens mount ring 23 on the rear side passes through the cylindrical wall opening 211 on the rear side, and the rib 232 of the boss 231 engages with the spiral groove 221 of the rotary ring 22 on the rear side.
The distance between the two focusing lenses 20 can be adjusted, so that the focusing capacity is improved, and the projection definition and the projection area are improved.
In one embodiment, as shown in fig. 1-2 and 5, a suspension member 3 is attached to the lamp vessel 1. A hanger 3 is attached to the rear end of the lamp barrel 1 for lifting the lamp.
The hanger 3 is pivotally connected to the barrel 1 to adjust the angle of the barrel.
Specifically, hanger 3 includes a ceiling plate 31, a boom 32, a spring clip fixing ring 33, and a spring clip 34.
The lower end of the boom 32 is pivotally connected to the lamp vessel 1, and the upper end of the boom 32 is pivotally connected to the ceiling tray 31.
The spring clip fixing ring 33 is fixedly installed on the ceiling tray 31, and the spring clip 34 is installed on the spring clip fixing ring 33. The lower end of the suspension arm 32 in the suspension member 3 is pivotally connected with the lamp tube 1, and the pitch angle of the lamp tube 1 can be adjusted. Specifically, the lower end of the boom 32 is connected to the lamp vessel 1 by a first fastening member 35, and a first check washer 37 having elasticity is mounted on the first fastening member 35. A first anti-loosening gasket 37 is padded between the lower end of the boom 32 and the lamp vessel 1. The first fastener 35 may be a pin.
In a normal state, the suspension arm 32 can be kept stable relative to the lamp cylinder 1 because the first anti-loosening gasket 37 is pre-tightened by the first fastening piece 35. When the pitching angle of the lamp tube 1 needs to be adjusted, the lamp tube 1 can be held to overcome the acting force of the first anti-loosening gasket 37, and the lamp tube 1 can be swung up and down to adjust the pitching angle. After the angle is adjusted to the right position, the lamp tube 1 is loosened, and the lamp tube 1 can keep relatively stable with the suspension arm 32.
The upper end of a suspension arm 32 in the suspension part 3 is pivotally connected with the ceiling disc 31, so that the rotation angle of the suspension arm 32 in the horizontal plane can be adjusted, and the left-right swing angle of the lamp tube 1 can be adjusted.
Specifically, the upper end of the boom 32 is connected to the ceiling plate 31 by a second fastener 36, and a second check washer 38 having elasticity is mounted on the second fastener 35. A second anti-loosening gasket 38 is padded between the upper end of the boom 32 and the ceiling tray 31. The second fastener 36 may be a pin.
In a normal state, the suspension arm 32 can be kept stable relative to the ceiling tray 31 because the second anti-loosening gasket 38 is pre-tightened by the second fastening piece 36. When the horizontal swing angle of the lamp cylinder 1 needs to be adjusted, the lamp cylinder 1 or the suspension arm 32 can be held to overcome the acting force of the second anti-loosening gasket 38, and the lamp cylinder 1 or the suspension arm 32 is swung left and right to adjust the swing angle. After the angle is adjusted to the right position, the lamp tube 1 or the suspension arm 32 is loosened, and the suspension arm 32 can keep relatively stable with the ceiling disc 31.
A spring clip fixing ring 33 is fixedly installed on the top of the ceiling tray 31, and a spring clip 34 is installed on the spring clip fixing ring 33. The spring clip 34 is adapted to be placed on a ceiling to suspend the projector lamp. When the projection lamp is installed, the spring clamp fixing ring 33 penetrates through the installation hole of the suspended ceiling, the spring clamp 34 is lapped on the suspended ceiling, and the ceiling suction disc 31 basically abuts against the installation hole of the suspended ceiling to play a role in covering.
The spring clip 34 is a bracket 341 with a torsion spring 342, the torsion spring 342 is sleeved on the bracket 341, and the torsion spring 342 is further connected to the spring clip fixing ring 33. The torsion spring 342 serves to drive the bracket 341 to contract toward the spring clip fixing ring 33. When the spring clip 34 is placed on the ceiling, the end of the bracket 341 is firmly abutted against the ceiling by the torsion spring 342, thereby improving the stability of the suspended projection lamp.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A projection lamp is characterized by comprising a lamp tube (1), a focusing tube (2) and a bracket mounting ring (4) provided with a film bracket (41);
the bracket mounting ring (4) is connected between the focusing barrel (2) and the lamp barrel (1);
the lamp tube (1) is internally provided with a radiator (11), a heat conducting piece (12), a circuit board (13) with at least two light sources (131), a light mixer (14) and a lamp tube lens (15);
the heat conducting member (12) is mounted on the heat sink (11), the circuit board (13) is in contact with the heat conducting member (12), and the light mixer (14) is located between the lamp barrel lens (15) and the circuit board (13);
at least one focusing lens (20) capable of moving along the axial direction of the focusing barrel (2) is installed in the focusing barrel (2).
2. The projection lamp of claim 1, wherein the light mixer (14) comprises a light guide body (141) and a light guide cylinder (142) connected to the light guide body (141);
at least two light guide columns (1411) are arranged on one side of the light guide body (141) facing the light source (131), and a light guide terminal (1412) is arranged on one side of the light guide body (141) facing the light guide cylinder (142);
each light source (131) corresponds to one light guide column (1411), and the light guide terminal (1412) is embedded in the light guide cylinder (142).
3. The projection lamp of claim 1, wherein the heat conducting member (12) is a copper insert.
4. The projection lamp of claim 1, wherein the heat sink (11) has a heat sink groove (111), and the heat conductive member (12) has a heat conductive member protrusion (121);
the heat-conducting member protrusion (121) is embedded in the heat sink groove (111).
5. A projection lamp as claimed in claim 1, characterized in that a fixing ring (16) is mounted in the lamp vessel (1), the bracket mounting ring (4) being connected to the fixing ring (16);
the bracket mounting ring (4) is connected with a connecting ring (5), and the focusing barrel (2) is detachably connected with the connecting ring (5);
the holder mounting ring (4) has a mounting ring groove (40), and the film holder (41) is arranged in the mounting ring groove (40) in a pluggable manner.
6. A projection lamp as claimed in claim 5, characterized in that a baffle mounting ring (6) is connected to the connection ring (5);
the baffle plate mounting ring (6) is provided with at least one shielding piece (61) capable of shielding the central hole (60) of the baffle plate mounting ring (6).
7. The projection lamp of claim 1, wherein the focusing barrel (2) comprises a fixed barrel (21) and a rotating ring (22), the fixed barrel (21) being detachably connected to the lamp barrel (1);
the rotating ring (22) is sleeved on the fixed cylinder (21) and can rotate on the fixed cylinder (21);
a cylinder wall opening part (211) extending along the axial direction is arranged on the cylinder wall of the fixed cylinder (21);
the focusing lens (20) is arranged in the fixed barrel (21) through a lens mounting ring (23);
the lens mounting ring (23) is provided with a boss (231), and the boss (231) is positioned in the cylinder wall opening part (211) and can slide along the cylinder wall opening part (211);
a spiral groove (221) is formed in the inner surface of the rotating ring (22), and a convex rib (232) is arranged on the boss (231);
the ribs (232) are in clearance fit in the spiral grooves (221).
8. The projection lamp according to claim 7, wherein a guide rail (212) extending in an axial direction is provided on an inner surface of the fixed cylinder (21);
a guide groove (233) is provided on an outer surface of the lens mount ring (23);
the guide rail (212) is in clearance fit with the guide groove (233).
9. The projection lamp according to claim 7, wherein two said rotating rings (22) arranged one behind the other are fitted on said fixed cylinder (21), two said lens mounting rings (23) are arranged one behind the other in said fixed cylinder (21), and said focus lens (20) is arranged in each said lens mounting ring (23);
correspondingly, two cylinder wall opening parts (211) are arranged on the fixed cylinder (21), and the two cylinder wall opening parts (211) are arranged in the front and back of the fixed cylinder (21);
the bosses (231) on the two lens mounting rings (23) respectively correspondingly penetrate through the two cylinder wall opening parts (211);
the convex ribs (232) on the two bosses (231) are correspondingly matched with the spiral grooves (221) in the two rotating rings (22) respectively.
10. A projection lamp as claimed in claim 1, characterized in that a suspension member (3) is connected to the lamp vessel (1);
the suspension part (3) comprises a ceiling tray (31), a suspension arm (32), a spring clamp fixing ring (33) and a spring clamp (34);
the lower end of the suspension arm (32) is pivotally connected with the lamp cylinder (1), and the upper end of the suspension arm (32) is pivotally connected with the ceiling tray (31);
the spring clamp fixing ring (33) is fixedly arranged on the ceiling suction disc (31), and the spring clamp (34) is arranged on the spring clamp fixing ring (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676293.2U CN212723639U (en) | 2020-08-12 | 2020-08-12 | Projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676293.2U CN212723639U (en) | 2020-08-12 | 2020-08-12 | Projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212723639U true CN212723639U (en) | 2021-03-16 |
Family
ID=74921261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021676293.2U Active CN212723639U (en) | 2020-08-12 | 2020-08-12 | Projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212723639U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217832A (en) * | 2021-04-08 | 2021-08-06 | 上海工程技术大学 | High-power zooming laser lighting device |
| WO2022032877A1 (en) * | 2020-08-12 | 2022-02-17 | 瑞盎光电科技(广东)有限公司 | Lamp body and lamp |
| CN115111543A (en) * | 2022-07-01 | 2022-09-27 | 赛尔富照明科技有限公司 | Lamp set |
-
2020
- 2020-08-12 CN CN202021676293.2U patent/CN212723639U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032877A1 (en) * | 2020-08-12 | 2022-02-17 | 瑞盎光电科技(广东)有限公司 | Lamp body and lamp |
| CN113217832A (en) * | 2021-04-08 | 2021-08-06 | 上海工程技术大学 | High-power zooming laser lighting device |
| CN115111543A (en) * | 2022-07-01 | 2022-09-27 | 赛尔富照明科技有限公司 | Lamp set |
| CN115111543B (en) * | 2022-07-01 | 2024-02-13 | 赛尔富照明科技有限公司 | Lamp set |
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