CN209944100U

CN209944100U - Light collecting structure of LED projection lamp

Info

Publication number: CN209944100U
Application number: CN201920966068.3U
Authority: CN
Inventors: 詹先东; 陈梅
Original assignee: Anhui Huaxin Photoelectric Decoration Co Ltd
Current assignee: Anhui Huaxin Photoelectric Decoration Co Ltd
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-01-14
Anticipated expiration: 2029-06-22

Abstract

The utility model relates to a LED projecting lamp light harvesting structure, including lamp shade, lamp stand and the support between the two, lamp shade and leg joint rotate, and support bottom and lamp stand rotate to be connected, are provided with bulb, its characterized in that in the lamp shade: the lampshade comprises an inner layer cover and an outer layer cover, wherein an inclined light reflecting plate is arranged on the inner wall of the inner layer cover, a plurality of radiating fins are arranged between the inner layer cover and the outer layer cover, a plurality of radiating holes are formed in the outer layer cover, and protective sheets are arranged at the radiating holes and positioned on one sides of the radiating holes far away from the inner layer cover; a movable groove is formed in the base, an air inlet hole and an air outlet hole are formed in the bottom and the top of the movable groove respectively, the air outlet holes are arranged towards the lampshade, and a cooling fan is installed in the movable groove; the support includes the montant at horizontal pole and horizontal pole both ends. The utility model discloses have and to carry out effective radiating effect to the projecting lamp, promote the life-span of lamp holder and reduce the number of times of changing, the projecting lamp is more energy-conserving.

Description

Light collecting structure of LED projection lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus's technique and specifically relates to a LED projecting lamp light harvesting structure is related to.

Background

Currently, a projector is a lamp that specifies that the illuminance on the illuminated surface is higher than the ambient environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by the climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Thus, almost all large area lighting fixtures used outdoors can be considered as floodlights.

The prior art provides a light concentration LED projecting lamp as patent application document with publication number CN206409972U, its characterized in that, including silk screen printing glass, lens, aluminium base board, lamp body, starter, bottom, fixed ear, support, silk screen printing glass buckle is on lens, lens are installed on aluminium base board, aluminium base board is installed in the lamp body, the starter passes the lamp body through the wire and is connected with aluminium base board, the bottom passes through the screw closure on the lamp body, fixed ear passes through the screw and fixes the support in the both sides of lamp body. The utility model discloses in, the light emitting area of lamp body is provided with the leaded light along, and the leaded light is along being the screen cloth type, and light is more concentrated, and the edge of light is more clear, pleasing to the eye.

The above prior art solutions have the following drawbacks: the projecting lamp holder department lasts the circular telegram when using, if do not carry out effectual heat dissipation to lamp holder and lamp shade in the course of the work, can cause the damage to the lamp holder, influences the life of lamp holder, causes the waste of resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LED projecting lamp light harvesting structure has and can carry out effective radiating effect to the projecting lamp.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a light collecting structure of an LED projection lamp comprises a lamp shade, a lamp holder and a support between the lamp shade and the lamp holder, wherein the lamp shade is rotatably connected with the support, the bottom of the support is rotatably connected with the lamp holder, a bulb is arranged in the lamp shade, the lamp shade comprises an inner layer cover and an outer layer cover, an inclined reflecting plate is arranged on the inner wall of the inner layer cover, a plurality of radiating fins are arranged between the inner layer cover and the outer layer cover, a plurality of radiating holes are formed in the outer layer cover, protecting fins are arranged at the radiating holes, and the protecting fins are positioned on one; a movable groove is formed in the base, an air inlet hole and an air outlet hole are formed in the bottom and the top of the movable groove respectively, the air outlet holes are arranged towards the lampshade, and a cooling fan is installed in the movable groove; the support includes the montant at horizontal pole and horizontal pole both ends, and the montant includes pole one and pole two, and threaded mounting has fastening screw on the pole one, and the pole second cover is established in pole one outside and is begun to have a shape hole, and fastening screw passes a shape hole and with two butt of pole.

By adopting the technical scheme, the structure of the heat dissipation holes and the heat dissipation fins is increased, so that heat can be dissipated when the projection lamp is used, and higher heat at the inner layer cover is discharged; the lamp holder is additionally provided with the movable groove and the radiating fan, so that air flow can be accelerated when the radiating fan is turned on, heat dissipation of the lampshade is facilitated, damage to the lamp holder is reduced through effective heat dissipation, the service life of the lamp holder is prolonged, and an energy-saving effect is achieved; the lamp holder is characterized in that the cross rod is rotatably connected with the lamp holder, the vertical rod is of a structure matched with the first rod and the second rod, height adjustment can be performed, the lamp holder is adjusted to be lower, a heat dissipation fan can conveniently dissipate heat of the lamp shade, the lamp holder is adjusted to be higher in height, and the lighting effect is better.

The utility model discloses further set up to: the top of the lamp holder is fixedly provided with a stud, the cross rod is sleeved on the stud and is rotatably connected with the stud, and the stud is provided with a first positioning nut.

By adopting the technical scheme, the cross rod is sleeved on the stud and is rotatably connected with the stud, so that the rotating connection between the lampshade and the lamp holder is realized, the structure of the first positioning nut is added, the rotation of the cross rod is convenient to carry out, and the lampshade and the lamp holder can be driven to rotate when the cross rod rotates.

The utility model discloses further set up to: the exhaust hole is arranged to be an arc-shaped hole, a sliding block is slidably mounted in the exhaust hole, guide grooves are formed in two sides of the exhaust hole, guide blocks matched with the guide grooves are arranged on two sides of the sliding block, and the guide blocks drive the guide grooves to slide along the exhaust hole; be provided with the screw rod on the slider, the screw rod upwards extends and passes the horizontal pole, installs set nut two on the screw rod, and set nut two and screw rod screw-thread fit carry out the butt with the base.

By adopting the technical scheme, the structure with the arc-shaped holes is added to serve as the air exhaust holes, and air flow can be exhausted through the air exhaust holes when the fan works; the structure and the arc hole that have used the slider cooperate, and the slider that can beat when rotating the horizontal pole slides on the arc hole, when rotating the horizontal pole to suitable position, screws set nut one and set nut two, can realize the fixed to the horizontal pole.

The utility model discloses further set up to: two sides of the lampshade are rotatably connected with the vertical rod through a rotating shaft, a positioning block is arranged between the vertical rod and the outer cover and sleeved on the rotating shaft, and two movable rods are arranged on the positioning block and are positioned on two sides of the rotating shaft and movably connected with the vertical rod; the montant is run through to the one end of movable rod and the cover is equipped with reset spring, and the tip of two movable rods passes through the connecting plate to be connected, and montant and connecting plate are connected respectively to the reset spring both ends, and reset spring effect makes locating piece and lamp shade butt on the connecting plate.

Through adopting above-mentioned technical scheme, structure through the pivot has realized being connected between montant and the lamp shade, increase the structure of locating piece, the locating piece connection movable rod just can move about on the horizontal direction, the movable rod is connected with the connecting plate and the cover is equipped with reset spring, can the locating piece can be used in the lamp shade and carry out the butt with the lamp shade under reset spring's effect, realized the location to the lamp shade, when the rotation of lamp shade needs to be carried out, to both sides pulling connecting plate and movable rod alright in order to realize the separation between locating piece and the lamp shade.

The utility model discloses further set up to: one side of the connecting plate, which is far away from the vertical rod, is provided with a pull ring.

Through adopting above-mentioned technical scheme, the structure that increases the pull ring is convenient for carry out the pulling of connecting plate and movable rod.

The utility model discloses further set up to: the protective sheet is provided with an inclined plane and a gap is reserved between the protective sheet and the outer layer cover.

Through adopting above-mentioned technical scheme, set up the protection plate slope, can play the rain-proof effect of certain degree and do not influence the normal of louvre and take a breath in the use.

The utility model discloses further set up to: the end parts of the inner layer cover and the outer layer cover are respectively provided with an annular mounting plate, and the four corners of the mounting plates are connected through mounting screws.

Through adopting above-mentioned technical scheme, increased the structure of annular mounting panel, used the mounting panel and the installation falls to and cooperates, is convenient for realize the connection between inner layer lamp shade and the outer lamp shade.

The utility model discloses further set up to: the glass board is installed to the mounting panel outside, and the mounting screw passes glass board and nut and glass board and carries out the butt.

Through adopting above-mentioned technical scheme, increased the structure of glass board, cooperate the installation that can realize the glass board with glass board and mounting screw, use the glass board to carry out certain protection to the lamp holder.

To sum up, the utility model discloses a beneficial technological effect does:

1. the lampshade is provided with the inner layer cover and the outer layer cover, the light collection of the lamp holder is facilitated due to the structure of the reflector, the structures of the radiating fins, the radiating holes and the radiating fan are added, the lampshade and the lamp holder are convenient to radiate heat when in use, the damage to the lamp holder is reduced, and the service life is prolonged;

2. the structure of the stud and the arc-shaped exhaust hole is added, the positioning nuts on two sides are unscrewed, the rotation of the cross rod is facilitated, the positioning nuts can be used for positioning after the cross rod rotates, and the angle adjustment of the lampshade in the horizontal direction is facilitated;

3. the structure of locating piece and movable rod has been increased, and movable rod and montant carry out swing joint and the cover establishes reset spring, have realized the butt between locating piece and the lamp shade under reset spring's effect, are convenient for carry out the rigidity of lamp shade, when needing to carry out angle modulation, to both sides pulling connecting plate and movable rod, locating piece and lamp shade separation are convenient for carry out the regulation of lamp shade angle.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic view of the structure of the lampshade of the present invention;

fig. 3 is a schematic view of the structure of the lamp socket of the present invention;

fig. 4 is an enlarged schematic view of a1 portion in fig. 1.

Reference numerals: 1. a lamp socket; 11. an air inlet hole; 12. an air exhaust hole; 13. a movable groove; 14. a guide groove; 15. a heat radiation fan; 16. a stud; 17. positioning a first nut; 2. a lamp shade; 21. an inner layer cover; 22. an outer layer cover; 23. a lamp cap; 24. a reflector; 25. a heat sink; 26. heat dissipation holes; 27. a protective sheet; 28. a rotating shaft; 3. a support; 31. a vertical rod; 311. a first rod; 312. a second rod; 313. a hole; 314. fastening screws; 32. a cross bar; 33. a slider; 34. a guide block; 35. a screw; 36. a second positioning nut; 4. a movable rod; 41. positioning blocks; 42. a return spring; 43. a connecting plate; 44. and (4) a pull ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a LED projecting lamp light harvesting structure, including lamp shade 2, lamp stand 1 and connect support 3 between the two, install the LED bulb in the lamp shade 2, the top of support 3 and lamp shade 2 rotate to be connected and bottom and lamp stand 1 rotate to be connected.

Referring to fig. 1 and 2, the lampshade 2 comprises an inner layer cover 21 and an outer layer cover 22, annular mounting plates are formed at the end parts of the inner layer cover 21 and the outer layer cover 22, mounting screws are mounted at four corners of each mounting plate, a glass plate is mounted on the outer side of each mounting plate, and the mounting screws penetrate through the glass plate and are abutted to the nuts and the glass plate. The inner wall of the inner layer cover 21 is fixedly provided with an inclined reflector 24, the inclined direction of the reflector 24 is inclined from the periphery to the center to the direction close to the bulb, the reflector 24 is used for gathering the light beams for projection, and the light gathering effect is achieved. A plurality of radiating fins 25 are formed on one side of the inner cover 21 close to the outer cover 22, so that heat generated by the inner cover 21 in the using process can be conveniently transferred, and a radiating effect is achieved. The heat dissipation holes 26 are formed in the outer cover 22, the heat dissipation holes 26 are formed in the outer side, the protection pieces 27 are located on one side, away from the inner cover 21, of the heat dissipation holes 26, inclined planes are formed in the protection pieces 27, intervals are reserved between the protection pieces 27 and the heat dissipation holes 26, and the protection pieces 27 are used for achieving a certain rainproof and dustproof effect. The base is internally provided with a movable groove 13, and the bottom and the top of the movable groove 13 are respectively provided with an air inlet hole 11 and an air outlet hole 12. A heat radiation fan 15 is installed in the movable slot 13, and an air outlet end of the heat radiation fan 15 is arranged towards the air outlet hole 12.

Referring to fig. 1 and 3, a vertical stud 16 is fixedly installed at the top of a lamp holder 1, a cross rod 32 is sleeved on the stud 16 and rotatably connected with the stud 16, a first positioning nut 17 is installed on the stud 16 in a threaded manner, the first positioning nut 17 abuts against the cross rod 32 to achieve positioning of the cross rod 32, the exhaust hole 12 is provided with two arc-shaped holes, a sliding block 33 is installed in the exhaust hole 12 in a sliding manner, guide grooves 14 are formed in two sides of the exhaust hole 12, guide blocks 34 matched with the guide grooves 14 are formed in two sides of the sliding block 33, and the guide blocks 34 drive the guide grooves 14 to slide along the exhaust hole 12. Be provided with screw rod 35 on the slider 33, screw rod 35 upwards extends and passes horizontal pole 32, installs set nut two 36 on the screw rod 35, and set nut two 36 and screw rod 35 screw-thread fit and carry out the butt with the base, have realized the location to slider 33 and horizontal pole 32, can carry out the rotation of horizontal pole 32 with set nut unscrewing. The structure that the positioning nuts are arranged at the middle part and the two ends of the cross rod 32 enables the cross rod 32 to be fixed more stably when the positioning nuts are fixed.

Referring to fig. 1 and 4, the bracket 3 includes a cross bar 32 at the bottom and vertical bars 31 installed at two ends of the cross bar 32, the vertical bars 31 are vertically arranged and include a first bar 311 and a second bar 312, the second bar 312 is sleeved outside the first bar 311, a fastening screw 314 is installed on the first bar 311, the fastening screw 314 is in threaded fit with the first bar 311, a vertical first-shaped hole 313 is formed in the side surface of the second bar 312, and the fastening screw 314 passes through the first-shaped hole 313 and is abutted against the nut and the second bar 312. The positioning between the first rod 311 and the second rod 312 is realized, the fastening thread is loosened, and the length of the vertical rod 31 can be adjusted. The lamp shade 2 both sides all rotate through pivot 28 and pole 311 and connect, and movable mounting has movable rod 4 on the montant 31, and movable rod 4 passes pole 311 and slides along the horizontal direction, and the tip that lamp shade 2 was kept away from to movable rod 4 is connected through connecting plate 43, and the pull ring 44 is installed to the one side of keeping away from montant 31 at connecting plate 43. One end of the movable rod 4, which is far away from the connecting plate 43, is connected with a positioning block 41, the positioning block 41 is sleeved on the rotating shaft 28, the two movable rods 4 are connected with the positioning block 41, and the positioning block 41 is made of rubber. The movable rod 4 is sleeved with a return spring 42, two ends of the return spring 42 are respectively connected to the connecting plate 43 and the first rod 311, the return spring 42 is in a stretching state, and the return spring 42 acts on the connecting plate 43 and the movable rod 4 to enable the positioning block 41 connected with the movable rod 4 to tightly support the lampshade 2. When the angle needs to be adjusted, the connecting plate 43 and the movable rod 4 are pulled towards the two sides to drive the positioning block 41 to move towards the two sides, so that the lampshade 2 can rotate conveniently.

The implementation principle of the embodiment is as follows: the structure of the radiating holes 26 and the radiating fins 25 is added, so that heat can be radiated when the projection lamp is used, and higher heat at the position of the inner layer cover 21 can be discharged. The structure that has increased activity groove 13 and radiator fan 15 in lamp stand 1 can accelerate the air flow when opening radiator fan 15, is convenient for carry out the heat dissipation of lamp shade 2, through effectively dispelling the heat, has reduced the damage that lamp holder 23 received, has promoted lamp holder 23's life, has played energy-conserving effect. The cross rod 32 is rotatably connected with the lamp holder 1, the vertical rod 31 is arranged into a structure with a first rod 311 and a second rod 312 matched with each other, the height of the vertical rod can be adjusted, the lower height is adjusted, the radiating fan 15 can radiate the lampshade 2 conveniently, the height is adjusted to be higher, and the lighting effect is better.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a LED projecting lamp light harvesting structure, includes lamp shade (2), lamp stand (1) and support (3) between the two, and lamp shade (2) and support (3) rotate to be connected, and support (3) bottom and lamp stand (1) rotate to be connected, are provided with the bulb in lamp shade (2), its characterized in that: the lampshade (2) comprises an inner layer cover (21) and an outer layer cover (22), an inclined light reflecting plate (24) is arranged on the inner wall of the inner layer cover (21), a plurality of radiating fins (25) are arranged between the inner layer cover (21) and the outer layer cover (22), a plurality of radiating holes (26) are formed in the outer layer cover (22), protective sheets (27) are arranged at the radiating holes (26), and the protective sheets (27) are positioned on one sides of the radiating holes (26) far away from the inner layer cover (21); a movable groove (13) is formed in the base, an air inlet hole (11) and an air outlet hole (12) are formed in the bottom and the top of the movable groove (13) respectively, the air outlet hole (12) faces the lampshade (2), and a cooling fan (15) is installed in the movable groove (13); the support (3) comprises a cross rod (32) and vertical rods (31) at two ends of the cross rod (32), the vertical rods (31) comprise a first rod (311) and a second rod (312), fastening screws (314) are installed on the first rod (311) in a threaded mode, the second rod (312) is sleeved on the first rod (311) and starts to be provided with a first hole (313), and the fastening screws (314) penetrate through the first hole (313) and abut against the second rod (312).

2. The light collecting structure of LED projector as claimed in claim 1, wherein: the top of the lamp holder (1) is fixedly provided with a stud (16), the cross rod (32) is sleeved on the stud (16) and is rotatably connected with the stud (16), and the stud (16) is provided with a first positioning nut (17).

3. A light collecting structure for LED projection lamps according to claim 2, wherein: the exhaust hole (12) is arranged to be an arc-shaped hole, the sliding block (33) is installed in the exhaust hole (12) in a sliding mode, guide grooves (14) are formed in the two sides of the exhaust hole, guide blocks (34) matched with the guide grooves (14) are arranged on the two sides of the sliding block (33), and the guide blocks (34) drive the guide grooves (14) to slide along the exhaust hole (12); be provided with screw rod (35) on slider (33), screw rod (35) upwards extend and pass horizontal pole (32), install set nut two (36) on screw rod (35), and set nut two (36) and screw rod (35) screw-thread fit and base carry out the butt.

4. The light collecting structure of LED projector as claimed in claim 1, wherein: two sides of the lampshade (2) are rotatably connected with the vertical rod (31) through a rotating shaft (28), a positioning block (41) is arranged between the vertical rod (31) and the outer cover, the positioning block (41) is sleeved on the rotating shaft (28), the positioning block (41) is provided with two movable rods (4), and the movable rods (4) are positioned on two sides of the rotating shaft (28) and are movably connected with the vertical rod (31); one end of each movable rod (4) penetrates through the vertical rod (31) and is sleeved with a return spring (42), the end parts of the two movable rods (4) are connected through a connecting plate (43), the two ends of each return spring (42) are respectively connected with the vertical rod (31) and the connecting plate (43), and the return springs (42) act on the connecting plates (43) to enable the positioning blocks (41) and the lampshade (2) to be abutted.

5. The light collecting structure of LED projector as claimed in claim 4, wherein: a pull ring (44) is arranged on one side of the connecting plate (43) far away from the vertical rod (31).

6. The light collecting structure of LED projector as claimed in claim 1, wherein: the protective sheet (27) is provided with an inclined plane and a gap is reserved between the protective sheet and the outer layer cover (22).

7. The light collecting structure of LED projector as claimed in claim 1, wherein: the end parts of the inner layer cover (21) and the outer layer cover (22) are respectively provided with an annular mounting plate, and the four corners of the mounting plates are connected through mounting screws.

8. A light collecting structure for LED projection lamps according to claim 7, wherein: the glass board is installed to the mounting panel outside, and the mounting screw passes glass board and nut and glass board and carries out the butt.