CN210462902U - Stage light beam lamp lens - Google Patents
Stage light beam lamp lens Download PDFInfo
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- CN210462902U CN210462902U CN201921921565.8U CN201921921565U CN210462902U CN 210462902 U CN210462902 U CN 210462902U CN 201921921565 U CN201921921565 U CN 201921921565U CN 210462902 U CN210462902 U CN 210462902U
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- focusing lens
- beam lamp
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Abstract
The utility model discloses a stage light beam lamp camera lens, include along the optical axis from a left side to the fixed lens group and the focusing lens group of arranging in proper order on the right side, fixed lens group includes first convex lens, the focusing lens group includes the focusing lens cone, sets up the focusing lens piece in the focusing lens cone and is fixed in the first clamping ring in the focusing lens cone with the focusing lens piece, the focusing lens piece includes from a left side to the second convex lens and the first concave lens of arranging in proper order on the right side. The utility model discloses stage light beam lamp camera lens, through the fixed lens group that sets up the single lens and by the focusing lens section of thick bamboo, the focusing lens group that first clamping ring and focusing lens are constituteed, the focusing lens includes second convex lens and the first concave lens of arranging in proper order from a left side to the right side, the stage light beam lamp camera lens that simple structure and light-emitting angle are little has been constituteed, can be under the prerequisite that does not reduce former light efficiency, the at utmost reduces five metals lens section of thick bamboo and lens quantity, reach lightening weight and manufacturing cost effect, be favorable to setting up of stage lamp.
Description
Technical Field
The utility model relates to an optical lens field, concretely relates to stage light beam lamp camera lens.
Background
A stage beam lamp is a very important lamp in a stage. The high-power light beam lamp is mainly used in a large stage in the past, the requirement of people on the stage is higher and higher, the high-power light beam lamp becomes a necessary choice, however, the high-power lamp usually represents larger weight, the stage is very inconvenient to erect, and the difficulty and the cost for erecting the stage are greatly increased.
In the prior art, chinese utility model patent No. 201720057158.1 discloses a stage light beam lamp lens group, which comprises a fixed lens group and a focusing lens group arranged at the front end of the fixed lens group, wherein the fixed lens group comprises a fixed lens barrel, a first convex lens arranged in the fixed lens barrel, and a first pressing ring for fixing the first convex lens in the fixed lens barrel; the focusing lens group comprises a focusing lens barrel, a first concave lens and a second convex lens which are arranged in the focusing lens barrel from front to back in sequence, and a second pressing ring which fixes the first concave lens and the second convex lens in the focusing lens barrel.
The stage light beam lamp lens group disclosed in the patent realizes the purpose of large light beam aperture by adopting a single convex lens with large aperture as a fixed lens group, and simultaneously reduces the light-emitting angle to make the emitted light beam effect more obvious; the focusing lens group with an internal focusing structure is adopted, so that the light beam lamp is convenient to manufacture and control, and sufficient space is reserved between the fixed lens group and the focusing lens group for adding optical devices such as a prism, an atomizing sheet and a color sheet, so that the multi-functionalization of the stage lamp is realized; the lens is reasonably installed, the structure is compact, the looseness phenomenon is avoided, and the structural stability is high; through adopting the little stage beam lamp camera lens of light-emitting angle, can be well compatible with 280W's bubble lamp on the market, promote the utilization ratio of light energy greatly, spotlight is effectual, makes the beam effect of sending more obvious, and simultaneously, the biggest pattern diameter that can be compatible reaches 8 mm.
However, the disclosed patent still has a certain defect, and the fixed lens group comprises a fixed lens barrel, a first convex lens and a first pressing ring, the focusing lens group comprises a focusing lens barrel, a first concave lens, a second convex lens and a second pressing ring, and the lens group comprises a plurality of components, so that the weight of the focusing lens group is larger, the focusing lens group is inconvenient to erect on a stage, and the difficulty and the cost for erecting the stage are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stage light beam lamp camera lens, through the fixed lens group that sets up the single lens and by the focusing lens section of thick bamboo, the focusing lens group that first clamping ring and focusing lens are constituteed, the focusing lens includes second convex lens and the first concave lens of arranging in proper order from a left side to the right side, simple structure and the stage light beam lamp camera lens that light angle is little have been constituteed, can be under the prerequisite that does not reduce former light efficiency, the at utmost five metals lens cone and lens quantity of reducing, reach lightening weight and manufacturing cost effect, be favorable to setting up of stage lamp.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a stage light beam lamp camera lens, includes along the optical axis from a left side to the fixed lens group and the focusing lens group that arrange in proper order on the right side, fixed lens group includes first convex lens, the focusing lens group includes the focusing lens barrel, sets up the focusing lens in the focusing lens barrel and is fixed in the first clamping ring in the focusing lens barrel with the focusing lens, the focusing lens includes from a left side to the right side second convex lens and the first concave lens of arranging in proper order. The first convex lens is directly fixed at the front end of the case.
As a further improvement of the present invention, the first convex lens is a plano-convex lens with a left end surface protruding outwards.
As a further improvement of the present invention, the diameter of the first convex lens is 168 mm.
As a further improvement of the utility model, the focusing lens cone includes the focusing barrel, the focusing barrel is provided with an annular screens and an opening, first clamping ring set up in the outside of focusing barrel, second convex lens with first concave lens set up in the focusing barrel, the convex side of second convex lens is outside from the opening part protrusion of first clamping ring.
As a further improvement of the present invention, the first pressing ring is further provided with a first protruding portion extending toward the inner side of the focusing barrel.
As a further improvement, the second convex lens is a biconvex composite lens, and the convexity of its left side convex surface is greater than the convexity of its right side convex surface, first concave lens is a biconcave composite lens, the right side convex surface of second convex lens with the left side concave surface laminating setting of first concave lens.
As a further improvement of the utility model, the diameter of the focusing lens cone in the focusing lens group is 110 mm.
As a further improvement of the utility model, the distance from the front vertex of the second convex lens to the rear vertex of the first convex lens of the fixed lens group is 80-110 mm. The control of the emergent angle and the definition of a light beam is realized through the focusing lens group, and the focusing lens group can realize focusing from 5m to infinity in the range. When imaging at infinity, the minimum exit angle of the beam is 2 °.
The utility model has the advantages that:
(1) the utility model discloses stage light beam lamp camera lens, through the fixed lens group that sets up the single lens and by the focusing lens section of thick bamboo, the focusing lens group that first clamping ring and focusing lens are constituteed, the focusing lens includes second convex lens and the first concave lens of arranging in proper order from a left side to the right side, the stage light beam lamp camera lens that simple structure and light-emitting angle are little has been constituteed, can be under the prerequisite that does not reduce former light efficiency, the at utmost reduces five metals lens section of thick bamboo and lens quantity, reach weight reduction and manufacturing cost effect, be favorable to setting up of stage lamp, the compatible maximum pattern of its design is 8 mm.
(2) The utility model discloses stage light beam lamp camera lens is through the single lens that adopts the heavy-calibre as fixed lens group, has realized the purpose of heavy-calibre, and the light beam effect that less light-emitting angle used out moreover is very obvious, and its maximum pattern diameter that can be compatible reaches 8 mm.
(3) The utility model discloses stage light beam lamp camera lens has structurally adopted interior focusing structure to make the light beam lamp be convenient for make and control, leaves sufficient space simultaneously between the camera lens component and is used for adding optical devices such as prism, atomizing piece, colour chip, realizes the multi-functionalization of stage lamp.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic side view of the stage light beam lens according to the present invention;
fig. 2 is a schematic structural view of a focusing lens set in the stage light beam lamp lens of the present invention;
in the drawings: 1. a focusing lens group; 2. a first convex lens; 3. a first clamping ring; 4. a second convex lens; 5. a first concave lens; 6. a focusing cylinder; 7. annular clamping; 8. a first boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the drawings, the stage beam lamp lens provided by the embodiment comprises a fixed lens group and a focusing lens group 1 which are sequentially arranged from left to right along an optical axis, wherein the fixed lens group comprises a first convex lens 2, the focusing lens group 1 comprises a focusing lens barrel, a focusing lens arranged in the focusing lens barrel and a first pressing ring 3 which is used for fixing the focusing lens in the focusing lens barrel, and the focusing lens comprises a second convex lens 4 and a first concave lens 5 which are sequentially arranged from left to right. The first convex lens 2 is directly fixed to the front end of the cabinet.
In the stage light beam lamp lens in this embodiment, the first convex lens 2 is a plano-convex lens with a left end surface protruding outwards.
In the stage beam lamp lens in this embodiment, the diameter of the first convex lens 2 is 168 mm.
In the stage light beam lamp lens in this embodiment, the focusing lens barrel includes a focusing barrel 6, the focusing barrel 6 is provided with an annular clamping portion 7 and an opening, the first pressing ring 3 is disposed on the outer side of the focusing barrel 6, the second convex lens 4 and the first concave lens 5 are disposed in the focusing barrel 6, and the convex side of the second convex lens 5 protrudes from the opening of the first pressing ring 3 to the outside.
In the stage light beam lamp lens in this embodiment, the first pressing ring 3 is further provided with a first protruding portion 8 extending towards the inner side of the focusing cylinder 6.
The stage beam lamp camera lens in this embodiment, second convex lens 4 is biconvex compound lens, and the convex degree of its left side convex surface is greater than the convex degree of its right side convex surface, first concave lens 5 is biconcave compound lens, the right side convex surface of second convex lens 3 with the left side concave surface laminating setting of first concave lens 5.
In the stage light beam lamp lens in this embodiment, the diameter of the focusing lens barrel 6 in the focusing lens group is 110 mm.
In the stage beam lamp lens in this embodiment, the distance from the front vertex of the second convex lens 4 to the rear vertex of the first convex lens 5 of the fixed lens group is 80-110 mm. The control of the emergent angle and the definition of a light beam is realized through the focusing lens group, and the focusing lens group can realize focusing from 5m to infinity in the range. When imaging at infinity, the minimum exit angle of the beam is 2 °.
The stage beam lamp lens in this embodiment is mainly designed:
(1) the stage light beam lamp camera lens in this embodiment, through the fixed lens group that sets up the single lens and by the focusing lens cone, the focusing lens group that first clamping ring and focusing lens are constituteed, the focusing lens piece is including the second convex lens and the first concave lens of arranging from a left side to the right side in proper order, the stage light beam lamp camera lens that simple structure and light-emitting angle are little has been constituteed, can be under the prerequisite that does not reduce former light efficiency, the at utmost reduces five metals lens cone and lens quantity, reach weight reduction and manufacturing cost effect, be favorable to erectting of stage lamp, the compatible maximum pattern of its design is 8 mm.
(2) The stage beam lamp camera lens in this embodiment, through the single lens that adopts the heavy-calibre as fixed lens group, has realized the purpose of heavy beam caliber, and the light beam effect that less light-emitting angle used out is very obvious moreover, and its maximum pattern diameter that can be compatible reaches 8 mm.
(3) The stage beam lamp lens in the embodiment structurally adopts an internal focusing structure to facilitate the manufacture and control of the beam lamp, and meanwhile, sufficient space is reserved between lens components for adding optical devices such as prisms, atomizing sheets and color sheets, so that the multi-functionalization of the stage lamp is realized.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a stage light beam lamp camera lens, its characterized in that includes along the optical axis from a left side to the fixed lens group and the focusing lens group of arranging in proper order, fixed lens group includes first convex lens, the focusing lens group includes the focusing lens barrel, sets up the focusing lens in the focusing lens barrel and is fixed in the first clamping ring in the focusing lens barrel with the focusing lens, the focusing lens includes from a left side to the right side second convex lens and the first concave lens of arranging in proper order.
2. The stage beam lamp lens of claim 1, wherein the first convex lens is a plano-convex lens with a left end surface protruding outward.
3. The stage beam lamp lens of claim 1, wherein the first convex lens has a diameter of 168 mm.
4. The stage beam lamp lens as claimed in claim 1, wherein the focus lens barrel includes a focus barrel body, the focus barrel body is provided with an annular clamp and an opening, the first pressing ring is disposed outside the focus barrel body, the second convex lens and the first concave lens are disposed in the focus barrel body, and a convex side surface of the second convex lens protrudes from the opening of the first pressing ring to the outside.
5. The stage beam lamp lens as recited in claim 4, wherein the first pressing ring further comprises a first protrusion extending toward an inner side of the focusing cylinder.
6. The stage beam lamp lens as claimed in claim 1, wherein the second convex lens is a biconvex compound lens, the convexity of the left convex surface of the second convex lens is greater than the convexity of the right convex surface of the second convex lens, the first concave lens is a biconcave compound lens, and the right convex surface of the second convex lens is attached to the left concave surface of the first concave lens.
7. The stage beam lamp lens of claim 1, wherein the focusing lens barrel of the focusing lens group has a diameter of 110 mm.
8. A stage beam lamp lens as claimed in claim 1, wherein the distance from the front vertex of the second convex lens to the rear vertex of the first convex lens of the fixed lens group is 80-110 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921565.8U CN210462902U (en) | 2019-11-08 | 2019-11-08 | Stage light beam lamp lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921565.8U CN210462902U (en) | 2019-11-08 | 2019-11-08 | Stage light beam lamp lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462902U true CN210462902U (en) | 2020-05-05 |
Family
ID=70437545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921921565.8U Expired - Fee Related CN210462902U (en) | 2019-11-08 | 2019-11-08 | Stage light beam lamp lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462902U (en) |
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2019
- 2019-11-08 CN CN201921921565.8U patent/CN210462902U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |