CN210567906U

CN210567906U - Rotary zooming small spotlight

Info

Publication number: CN210567906U
Application number: CN201921807244.5U
Authority: CN
Inventors: 田宜美
Original assignee: Ningbo Jeg Lighting Tech Co ltd
Current assignee: Ningbo Jeg Lighting Tech Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-19
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a rotary zooming small spotlight, which comprises a radiator main body and a lens ring fixing sleeve, wherein a lens base is rotationally connected in the lens ring fixing sleeve, and an optical lens is fixedly arranged on the lens base; the side wall of the mirror base is provided with a spiral raised line, the inner wall of the mirror ring fixing sleeve is provided with a positioning block, the positioning block is provided with a groove, and the spiral track of the groove corresponds to the spiral raised line; the lens base is provided with a rotating lens ring which is in rotating fit with the lens ring fixing sleeve; an LED driving module and an LED lamp are arranged in the radiator main body. The utility model has the advantages of it is following and effect: the adoption sets up spiral sand grip at the microscope base lateral wall, offers the recess of spiral orbit at the locating piece of the fixed cover of microscope circle, rotates the microscope base after, and the microscope base can be followed axial displacement under the direction of recess to realize the focusing effect, not only structural design is simpler, the cost is lower, and operation process is more convenient during focusing moreover, uses more in a flexible way.

Description

Rotary zooming small spotlight

Technical Field

The utility model relates to a stage equipment technical field, in particular to rotatory little shot-light that zooms.

Background

Stage lighting is also called stage lighting, and is called lighting for short. With the development of the scenario on the stage, the stage lighting equipment (such as an illumination light source, a slide show, a control system and the like) and technical means are used for displaying the environment, the rendering atmosphere and the central character by using the light color and the change thereof, creating the space sense and the time sense of the stage, shaping the external image of the stage performance and providing necessary lighting effect.

Chinese patent with the prior publication number CN106838830A discloses a focusing device for a stage light fixture, which comprises a heat-dissipating aluminum plate and a lifting power device arranged on the heat-dissipating aluminum plate, wherein the lifting power device comprises a motor fixing plate fixedly arranged on the heat-dissipating aluminum plate, a linear stepping motor fixedly arranged on the motor fixing plate, the bottom ends of two focusing guide rods are respectively fixedly arranged at two sides of the motor fixing plate, and the top ends of the two focusing guide rods are respectively fixedly arranged at two sides of a limiting block; two focusing guide rods are respectively sleeved with a bearing; the two bearings are fixedly arranged on the adjusting support plate, and the focusing support plate is fixedly arranged on the lens rotating disc assembly support plate; the flange is fixedly arranged on the focusing support plate; the flange is provided with internal threads and is sleeved on the screw rod. During focusing, the screw rod in the linear stepping motor rotates, the flange is pushed to move up and down under the guidance of the focusing guide rod, and then the focusing support plate and the lens rotating disc assembly are driven to support up and down to realize the focusing process.

However, the focusing device has the following disadvantages: because the screw rods in the plurality of lifting power devices are adjusted to enable the focusing support plate and the lens rotating disk assembly to support and move up and down, on one hand, the problems of complex structure and high cost exist, and on the other hand, the problem of troublesome focusing exists due to the fact that the focusing support plate and the lens rotating disk assembly are controlled by the plurality of linear stepping motors simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotatory little shot-light that zooms adopts the microscope base to rotate to connect and realizes that optical lens along axial displacement in the fixed cover's of mirror circle mode, has simple structure, the cost is lower, the focusing is more convenient effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a rotary zooming small spotlight comprises a radiator main body and a lens ring fixing sleeve arranged on the radiator main body, wherein a lens base is rotationally connected in the lens ring fixing sleeve, an optical lens is fixedly arranged on the lens base, a spiral convex strip is arranged on the outer wall of the lens base, a plurality of positioning blocks are arranged on the inner wall of the lens ring fixing sleeve, a plurality of positioning blocks are provided with grooves matched with the spiral convex strip, and the spiral track of each groove corresponds to the spiral convex strip; the lens base is provided with a rotating lens ring which is in rotating fit with the lens ring fixing sleeve; the LED driving module and the LED lamp electrically connected with the LED driving module are arranged in the radiator main body, and the LED lamp is correspondingly positioned in the center of the optical lens.

Through adopting above-mentioned technical scheme, in the use, light through LED drive module drive LED lamp, when focus regulation, rotate rotatory mirror circle, rotatory mirror circle drives the fixed cover of mirror circle relatively and rotates, and when the mirror seat rotated, the spiral sand grip slided along the recess, so, can drive optical lens along axial displacement, and the distance that makes the fixed light-emitting window of mirror circle relatively of optical lens changes to realize focusing. Therefore, the structure design is simpler, the cost is lower, the operation process is more convenient during focusing, and the use is more flexible.

The utility model discloses a further set up to: the inner wall of the lens ring fixing sleeve is provided with a limiting step, and the limiting step is in limiting fit with the lens base.

By adopting the technical scheme, when the mirror base is rotated and moves into the mirror ring fixing sleeve, the mirror base is abutted against the limiting step, namely the mirror base is adjusted to the innermost end of the mirror ring fixing sleeve.

The utility model discloses a further set up to: the rotating lens ring is provided with a plurality of positioning columns, the lens base is correspondingly provided with a plurality of positioning holes, and the positioning columns are matched with the positioning holes in a positioning mode.

By adopting the technical scheme, when the rotating mirror ring is arranged on the mirror base, the positioning column is inserted into the positioning hole, and the rotating mirror ring is rotated to drive the mirror base to rotate.

The utility model discloses a further set up to: the end part of the mirror ring fixing sleeve, which is close to the rotary mirror ring, extends outwards to form a flange, and the rotary mirror ring is provided with a plurality of buckling blocks which are matched with the flange in a buckling manner.

Through adopting above-mentioned technical scheme, with the lock joint piece lock joint to the flange on to can restrict rotatory mirror circle and break away from the fixed cover of mirror circle along the axial, and when rotatory mirror circle rotated, the flange rotation can be followed to the lock joint piece.

The utility model discloses a further set up to: the lens base is internally provided with a lens pressing plate, the center of the lens pressing plate is provided with a through hole for the optical lens to pass through, the outer wall of the optical lens is a conical surface, and the through hole is in spacing fit with the optical lens through the conical surface.

The utility model discloses a further set up to: the inner wall of the radiator main body is provided with a limiting block, the limiting groove is formed in the mirror ring fixing sleeve, and after the limiting block is matched with the limiting groove, the mirror ring fixing sleeve is limited to rotate circumferentially relative to the radiator main body.

Through adopting above-mentioned technical scheme, when the fixed cover of mirror ring was installed in the radiator main part, in inserting the radiator main part with the fixed cover of mirror ring along the axial, make the stopper insert to the spacing groove, so can restrict the fixed cover of mirror ring and take place the circumferential direction rotatory for the radiator main part.

The utility model discloses a further set up to: the LED lamp is fixed between the LED support and the round table, and the LED support is provided with a through hole corresponding to the LED lamp.

By adopting the technical scheme, after the LED lamp is fixed by the LED bracket, the light source emitted by the LED lamp penetrates through the through hole to be emitted.

The utility model discloses a further set up to: the lateral wall of radiator main part articulates there is rings, and rings include inboard support and outside support, and inboard support is articulated mutually with outside support.

Through adopting above-mentioned technical scheme, not only can hang the stage lamp in the stage top, still can place it on the stage mesa, stability is higher when placing.

The utility model discloses a further set up to: the side wall of the mirror ring fixing sleeve is fixed with the side wall of the radiator main body through screws.

The utility model discloses a further set up to: the outer side wall of the rotating mirror ring is circumferentially arranged on the plurality of lugs.

Through adopting above-mentioned technical scheme, when rotating rotatory mirror circle, hold on the lug, the lug can play skid-proof effect to a certain extent.

To sum up, the utility model discloses following beneficial effect has:

1. the side wall of the lens base is provided with the spiral raised line, the positioning block of the lens ring fixing sleeve is provided with the groove with the spiral track, and after the lens base is rotated, the lens base can axially displace under the guidance of the groove, so that the focusing effect is realized;

2. the limiting block is matched with the limiting groove in a limiting mode, and circumferential rotation of the mirror ring fixing sleeve relative to the radiator main body can be limited.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is a cross-sectional view of the embodiment, the suspension ring not shown.

FIG. 4 is a schematic view of the structure of the rotating ring and the ring fixing sleeve in the separated state in the embodiment.

In the figure: 1. a heat sink body; 11. a power line fixing plate; 12. fixing a power line; 13. a limiting block; 14. a circular truncated cone; 2. a lens ring fixing sleeve; 21. a limiting groove; 22. a screw; 23. positioning blocks; 231. a groove; 24. a limiting step; 25. a flange; 3. an LED driving module; 4. an LED support; 41. an LED lamp; 42. a through hole; 5. a lens base; 51. a spiral rib; 52. positioning holes; 6. an optical lens; 7. rotating the lens ring; 71. a bump; 72. a positioning column; 73. a buckling block; 8. a lens platen; 81. a through hole; 9. a hoisting ring; 91. an inboard bracket; 92. an outer bracket; 93. a gasket; 94. a lifting ring cushion block; 10. an eye knob.

Detailed Description

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

The utility model provides a rotatory little shot-light that zooms, as shown in fig. 1 and fig. 2, including columniform radiator main part 1, the tail end of radiator main part 1 is provided with power cord fixed plate 11, be provided with two power cord fixed heads 12 on the power cord fixed plate 11, the front end of radiator main part 1 is provided with the fixed cover 2 of mirror ring, radiator main part 1 inner wall is provided with stopper 13, stopper 13 sets up along 1 axial of radiator main part, the fixed cover 2 of mirror ring has seted up spacing groove 21, when the fixed cover 2 of mirror ring is installed on radiator main part 1, insert the fixed cover 2 of mirror ring in radiator main part 1 along the axial, make stopper 13 insert in spacing groove 21, so can restrict fixed cover 2 of mirror ring and take place the rotation in circumference relative radiator main part 1, the fixed cover 2 lateral wall of mirror ring is fixed through.

As shown in fig. 2 and 3, a circular truncated cone 14 is axially arranged at the center of the heat sink main body 1, an LED driving module 3 is arranged in the heat sink main body 1, the LED driving module 3 is sleeved on the circular truncated cone 14, an LED support 4 is sleeved at the end of the circular truncated cone 14, an LED lamp 41 is arranged between the LED support 4 and the circular truncated cone 14, the LED lamp 41 is electrically connected with the LED driving module 3, a through hole 42 corresponding to the LED lamp 41 is formed in the LED support 4, and a light source emitted by the LED lamp 41 penetrates through the through hole 42 to be emitted.

As shown in fig. 2 and 4, a lens base 5 is rotatably connected in the lens ring fixing sleeve 2, an optical lens 6 is fixedly arranged on the lens base 5, the optical lens 6 and the LED lamp 41 are coaxially arranged, a spiral convex strip 51 is arranged on the outer side wall of the lens base 5, a plurality of positioning blocks 23 are arranged on the inner wall of the lens ring fixing sleeve 2, a plurality of grooves 231 matched with the spiral convex strip 51 are formed on the plurality of positioning blocks 23, and the spiral tracks distributed on the grooves 231 correspond to the spiral convex strip 51; the inner wall of the lens ring fixing sleeve 2 is provided with a limiting step 24, and the limiting step 24 is in limiting fit with the lens base 5; be provided with rotatory mirror circle 7 on the microscope base 5, rotatory mirror circle 7 lateral wall circumference is provided with a plurality of lugs 71, be provided with four reference columns 72 on the rotatory mirror circle 7, the locating hole 52 has been seted up to corresponding on the microscope base 5, reference column 72 and locating hole 52 location fit, rotatory mirror circle 7 and the fixed cover 2 normal running fit of mirror circle, the fixed cover 2 of mirror circle is provided with round flange 25 near the outside extension of tip of rotatory mirror circle 7, be provided with a plurality of lock joint pieces 73 with flange 25 lock joint complex on the rotatory mirror circle 7, with lock joint piece 73 lock joint to flange 25 on, thereby can restrict rotatory mirror circle 7 and break away from fixed cover 2 of mirror circle along the axial, and when rotatory mirror circle 7 rotated, lock joint piece 73 can rotate along flange 25. A lens pressing plate 8 is arranged in the lens base 5, a through hole 81 for the optical lens 6 to pass through is formed in the center of the lens pressing plate 8, the outer wall of the optical lens 6 is a conical surface, and the through hole 81 is in limit fit with the optical lens 6 through the conical surface.

As shown in fig. 2, the side wall of the radiator main body 1 is hinged with a suspension ring 9, the suspension ring 9 comprises an inner side bracket 91 and an outer side bracket 92, the inner side bracket 91 is hinged with the end part of the outer side bracket 92, a gasket 93 is arranged between the hinged ends of the inner side bracket 91 and the outer side bracket 92, a suspension ring cushion block 94 is arranged between the outer wall of the inner side bracket 91 and the outer wall of the radiator main body 1, the two ends of the suspension ring 9 are respectively installed on the radiator main body 1 through suspension ring knobs 94, not only can the stage lamp be suspended above the stage, but also can be placed on the stage table top, the stability is high during placement.

The utility model discloses a basic operating principle does: in the use, drive LED lamp 41 through LED drive module 3 and light, when adjusting the focus, rotate rotatory mirror circle 7, rotatory mirror circle 7 passes through reference column 72 and the cooperation of locating hole 52 and drives the fixed cover 2 of mirror ring relative mirror base 5 and rotates, when mirror base 5 rotates, spiral sand grip 51 slides along recess 231, when mirror base 5 to the fixed cover 2 internal motion of mirror ring, after mirror base 5 supports in spacing step 24, the mirror base 5 adjusts the innermost to the fixed cover 2 of mirror ring promptly. Therefore, the optical lens 6 can be driven to move along the axial direction, so that the distance between the optical lens 6 and the light outlet of the lens ring fixing sleeve 2 is changed, and the focusing effect is realized. Therefore, the structure design is simpler, the cost is lower, the operation process is more convenient during focusing, and the use is more flexible.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a rotatory little shot-light that zooms, includes radiator main part (1), locates the fixed cover of microscope ring (2) on radiator main part (1), the fixed cover of microscope ring (2) internal rotation is connected with microscope base (5), optical lens (6), its characterized in that have set firmly on microscope base (5): the outer wall of the lens base (5) is provided with a spiral convex strip (51), the inner wall of the lens ring fixing sleeve (2) is provided with a plurality of positioning blocks (23), the plurality of positioning blocks (23) are provided with grooves (231) matched with the spiral convex strip (51), and the spiral track of each groove (231) corresponds to the spiral convex strip (51); a rotary mirror ring (7) is arranged on the mirror base (5), and the rotary mirror ring (7) is in running fit with the mirror ring fixing sleeve (2); the LED lamp is characterized in that an LED driving module (3) and an LED lamp (41) electrically connected with the LED driving module (3) are arranged in the radiator main body (1), and the LED lamp (41) is correspondingly positioned at the center of the optical lens (6).

2. A rotary zoom spotlight as in claim 1, wherein: the inner wall of the mirror ring fixing sleeve (2) is provided with a limiting step (24), and the limiting step (24) is in limiting fit with the mirror base (5).

3. A rotary zoom spotlight as in claim 1, wherein: the rotary mirror ring (7) is provided with a plurality of positioning columns (72), the mirror base (5) is correspondingly provided with a plurality of positioning holes (52), and the positioning columns (72) are in positioning fit with the positioning holes (52).

4. A rotary zoom spotlight as in claim 1, wherein: the fixed cover of mirror circle (2) is close to the tip of rotatory mirror circle (7) outwards extends and is provided with flange (25), be provided with on rotatory mirror circle (7) a plurality of with flange (25) lock joint complex lock joint piece (73).

5. A rotary zoom spotlight as in claim 1, wherein: the lens holder (5) is internally provided with a lens pressing plate (8), the center of the lens pressing plate (8) is provided with a through hole (81) for the optical lens (6) to pass through, the outer wall of the optical lens (6) is a conical surface, and the through hole (81) is in spacing fit with the optical lens (6) through the conical surface.

6. A rotary zoom spotlight as in claim 1, wherein: radiator main part (1) inner wall is provided with stopper (13), spacing groove (21) have been seted up in fixed cover of mirror ring (2), stopper (13) with spacing groove (21) cooperate the back, the restriction fixed cover of mirror ring (2) is relative radiator main part (1) circumferential direction.

7. A rotary zoom spotlight as in claim 1, wherein: the radiator body (1) center is provided with round platform (14) along the axial, round platform (14) tip cover is equipped with LED support (4), LED lamp (41) are fixed in LED support (4) with between round platform (14), through-hole (42) corresponding to LED lamp (41) are seted up in LED support (4).

8. A rotary zoom spotlight as in claim 1, wherein: the side wall of the radiator main body (1) is hinged with a lifting ring (9), the lifting ring (9) comprises an inner side support (91) and an outer side support (92), and the inner side support (91) is hinged with the outer side support (92).

9. A rotary zoom spotlight as in claim 1, wherein: the side wall of the mirror ring fixing sleeve (2) is fixed with the side wall of the radiator main body (1) through a screw (22).

10. A rotary zoom spotlight as in claim 1, wherein: the outer side wall of the rotating mirror ring (7) is circumferentially provided with a plurality of lugs (71).