CN218938613U - Lens structure and projector - Google Patents
Lens structure and projector Download PDFInfo
- Publication number
- CN218938613U CN218938613U CN202223234132.XU CN202223234132U CN218938613U CN 218938613 U CN218938613 U CN 218938613U CN 202223234132 U CN202223234132 U CN 202223234132U CN 218938613 U CN218938613 U CN 218938613U
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- iris diaphragm
- lens
- inner barrel
- lens structure
- mount
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Abstract
The embodiment of the utility model provides a lens structure and a projector, and relates to the field of lens structures. The lens structure comprises an inner lens barrel, a variable aperture and a bearing piece, wherein the variable aperture is positioned in the inner lens barrel, the bearing piece is connected with the variable aperture, part of the bearing piece is positioned outside the inner lens barrel, and the bearing piece is detachably connected with the inner lens barrel. When the lens structure is used, the bearing piece is connected with the iris diaphragm, the bearing piece is detachably connected with the inner lens barrel, and when the iris diaphragm is required to be adjusted or assembled or disassembled, the adjustable diaphragm can be directly disassembled, and the bearing piece can be disassembled for adjusting the iris diaphragm, and a new iris diaphragm is assembled or the bearing piece is connected with the inner lens barrel again after the iris diaphragm is adjusted. Meanwhile, the part of the bearing piece is positioned outside the inner lens barrel, so that the internal space of the lens can be saved. The lens structure can conveniently adjust the iris diaphragm, can conveniently mount and dismount the iris diaphragm, and simultaneously reduces the internal space of the lens.
Description
Technical Field
The present utility model relates to the field of lens structures, and in particular, to a lens structure and a projector.
Background
The iris diaphragm is a diaphragm which can continuously change the size of a lens diaphragm hole and is the most widely used diaphragm in daily life at present. The iris diaphragm inside a general projector is directly assembled inside a lens barrel.
The lens structure in the prior art has the problems that the installation occupation space of the iris diaphragm is large and the installation and the disassembly cannot be conveniently carried out.
Disclosure of Invention
The utility model provides a lens structure and a projector, which can conveniently adjust a variable aperture, conveniently mount and dismount the variable aperture and simultaneously reduce the internal space of a lens.
Embodiments of the utility model may be implemented as follows:
an embodiment of the present utility model provides a lens structure including:
an inner barrel;
an iris diaphragm located inside the inner barrel; and
the bearing piece is connected with the iris diaphragm, part of the bearing piece is positioned outside the inner lens barrel, and the bearing piece is detachably connected with the inner lens barrel.
Optionally, the carrier includes a mounting portion and a connecting portion, the mounting portion and the iris diaphragm are connected, the connecting portion is connected with the mounting portion, a portion of the mounting portion is located outside the inner barrel, and the mounting portion and the inner barrel are detachably connected.
Optionally, a mounting surface is provided on a side wall of the inner barrel, and the connecting portion is abutted to the mounting surface and detachably connected to the mounting surface.
Optionally, the lens structure further includes a driving member, the driving member is connected with the carrier, the driving member and the iris diaphragm are arranged at intervals, and the driving member is located outside the inner lens barrel.
Optionally, the driving member is an electromagnet or a motor.
Optionally, the mounting portion includes a first mounting portion and a second mounting portion, the connecting portion is located between the first mounting portion and the second mounting portion and is connected with the first mounting portion and the second mounting portion, the first mounting portion is located inside the inner barrel, the iris diaphragm is mounted in the first mounting portion, the second mounting portion is located outside the inner barrel, and the driving member is mounted in the second mounting portion.
Optionally, a plurality of stoppers are provided in the inner barrel, and the plurality of stoppers are disposed along the circumferential direction of the inner barrel at intervals, and the stoppers abut against the bearing member to limit the iris diaphragm.
Optionally, the carrier further comprises a cover plate, and the cover plate and the mounting portion are detachably connected.
Optionally, the connecting portion and the inner barrel are connected by a screw.
The embodiment of the utility model also provides a projector, which comprises a projection shell and the lens structure, wherein the lens structure is connected with the projection shell.
The lens structure and the projector of the embodiment of the utility model have the beneficial effects that:
the lens structure comprises an inner lens barrel, a variable aperture and a bearing piece, wherein the variable aperture is positioned in the inner lens barrel, the bearing piece is connected with the variable aperture, part of the bearing piece is positioned outside the inner lens barrel, and the bearing piece is detachably connected with the inner lens barrel. When the lens structure is used, the bearing piece is connected with the iris diaphragm, the bearing piece is detachably connected with the inner lens barrel, and when the iris diaphragm is required to be adjusted or assembled or disassembled, the adjustable diaphragm can be directly disassembled, and the bearing piece can be disassembled for adjusting the iris diaphragm, and a new iris diaphragm is assembled or the bearing piece is connected with the inner lens barrel again after the iris diaphragm is adjusted. Meanwhile, the part of the bearing piece is positioned outside the inner lens barrel, so that the internal space of the lens can be saved. The lens structure can conveniently adjust the iris diaphragm, can conveniently mount and dismount the iris diaphragm, and simultaneously reduces the internal space of the lens.
The projector comprises a projection shell and a lens structure, wherein the projection shell is connected with the lens structure. When the lens structure is used, the bearing piece is connected with the iris diaphragm, the bearing piece is detachably connected with the inner lens barrel, and when the iris diaphragm is required to be adjusted or assembled or disassembled, the adjustable diaphragm can be directly disassembled, and the bearing piece can be disassembled for adjusting the iris diaphragm, and a new iris diaphragm is assembled or the bearing piece is connected with the inner lens barrel again after the iris diaphragm is adjusted. Meanwhile, the part of the bearing piece is positioned outside the inner lens barrel, so that the internal space of the lens can be saved. The lens structure can conveniently adjust the iris diaphragm, can conveniently mount and dismount the iris diaphragm, and simultaneously reduces the internal space of the lens.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a first view angle of a lens structure according to the present embodiment;
fig. 2 is a schematic structural diagram of a second view angle of a lens structure according to the present embodiment;
fig. 3 is a schematic structural diagram of a first view angle of the inner barrel according to the present embodiment;
fig. 4 is a schematic structural diagram of a second view angle of the inner barrel according to the present embodiment;
fig. 5 is a schematic connection diagram of the carrier, the iris diaphragm and the driving member according to the present embodiment.
Icon: 10-inner barrel; 11-mounting surface; 12-limiting blocks; 20-an iris; 30-a carrier; 31-an installation part; 311-a first mounting portion; 312-a second mounting portion; 32-a connection; 33-cover plate; 40-driving member; 50-an outer barrel; 60-focusing ring; 100-lens structure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.
The iris diaphragm is a diaphragm which can continuously change the size of a lens diaphragm hole and is the most widely used diaphragm in daily life at present. The iris diaphragm inside a general projector is directly assembled inside a lens barrel.
The lens structure in the related art has the problems that the installation occupation space of the iris diaphragm is large and the assembly and the disassembly cannot be conveniently carried out.
Referring to fig. 1-5, the present embodiment provides a projector, which includes a projection housing and a lens structure 100, and the projection housing is connected with the lens structure 100. The projector can effectively improve the technical problems mentioned above, can conveniently adjust the iris diaphragm 20, can conveniently mount and dismount the iris diaphragm 20, and simultaneously reduces the internal space of the lens.
Specifically, the projector further includes an outer barrel 50 and a focusing ring 60, both the outer barrel 50 and the focusing ring 60 are disposed in the projection housing, and the focusing ring 60 is sleeved on the outer barrel 50.
Referring to fig. 1-5, the lens structure 100 includes an inner barrel 10, a variable aperture 20, and a carrier 30, wherein the variable aperture 20 is located inside the inner barrel 10, the carrier 30 is connected with the variable aperture 20, a portion of the carrier 30 is located outside the inner barrel 10, and the carrier 30 is detachably connected with the inner barrel 10.
Specifically, the iris diaphragm in the prior art is completely assembled in the lens structure, if the iris diaphragm needs to be replaced or adjusted, the lens structure needs to be removed to take out the iris diaphragm, the operation process is complex and complicated, meanwhile, the occupied space of the iris diaphragm in the lens structure is large, and the production cost is greatly improved. In order to solve the technical problem, when the lens structure 100 provided in this embodiment is used, the carrier 30 is connected with the iris diaphragm 20, the carrier 30 is detachably connected with the inner barrel 10, and when the iris diaphragm 20 needs to be adjusted or assembled or disassembled, the carrier 30 can be directly disassembled to adjust and disassemble the iris diaphragm 20, and a new iris diaphragm 20 is assembled or the carrier 30 is connected with the inner barrel 10 again after the iris diaphragm 20 is assembled. While the part of the carrier 30 is located outside the inner barrel 10 can save the internal space of the lens. The lens structure 100 can conveniently adjust the iris diaphragm 20, and can conveniently mount and dismount the iris diaphragm 20 while reducing the internal space of the lens.
Specifically, the outer barrel 50 is sleeved outside the inner barrel 10.
In the present embodiment, the carrier 30 includes a mounting portion 31 and a connecting portion 32, the mounting portion 31 and the iris diaphragm 20 are connected, the connecting portion 32 is located in the middle of the mounting portion 31 and connected with the mounting portion 31, the mounting portion 31 is located outside the inner barrel 10, and the mounting portion 31 and the inner barrel 10 are detachably connected.
Specifically, the mounting portion 31 has a square structure.
Referring to fig. 3 and 4, the side wall of the inner barrel 10 is provided with a mounting surface 11, and the connecting portion 32 abuts against the mounting surface 11 and is detachably connected to the mounting surface 11.
Specifically, the mounting surface 11 is provided with a mounting hole at which the carrier 30 is inserted, and the connecting portion 32 and the mounting surface 11 are abutted and detachably connected, so that a portion of the carrier 30 is inserted inside the inner barrel 10.
The connection portion 32 has a square plate structure. In the case where the carrier 30 is inserted into the inner barrel 10, the side wall of the connecting portion 32 abuts against the mount surface 11, while both ends of the connecting portion 32 are detachably connected to the mount surface 11, respectively.
Further, the mount 31 includes a first mount 311 and a second mount 312, the connection portion 32 is located between the first mount 311 and the second mount 312 and connected to the first mount 311 and the second mount 312, the first mount 311 is located inside the inner barrel 10, the iris diaphragm 20 is mounted to the first mount 311, the second mount 312 is located outside the inner barrel 10, and the driving piece 40 is mounted to the second mount 312.
In the present embodiment, the mounting portion 31 is divided into two, the carrier 30 is inserted in the mounting hole, the first mounting portion 311 enters the inside of the inner barrel 10 so that the iris diaphragm 20 is disposed inside the inner barrel 10, and the second mounting portion 312 is located outside the inner barrel 10, so that the occupation area inside the inner barrel 10 can be reduced.
When the diaphragm 20 needs to be adjusted or replaced, the connecting portion 32 is separated from the mounting surface 11, the diaphragm 20 is removed by directly pulling out the entire carrier 30, and after the replacement or adjustment, the carrier 30 is reinserted into the mounting surface 11, and then the connecting portion 32 and the mounting surface 11 are fixed.
In the present embodiment, the mounting portion 31 and the connecting portion 32 are integrally formed.
Further, the lens structure 100 further includes a driving member 40, the driving member 40 is connected to the carrier 30, and the driving member 40 and the iris 20 are disposed at intervals, the driving member 40 is located outside the inner barrel 10, and the driving member 40 is used for driving the iris 20.
In this embodiment, the driving member 40 is an electromagnet or a motor.
Referring to fig. 4, in order to ensure the mounting stability of the iris diaphragm 20 inside the inner barrel 10, a plurality of stoppers 12 are provided inside the inner barrel 10, the plurality of stoppers 12 are disposed at intervals along the circumferential direction of the inner barrel 10, and the stoppers 12 abut against the first mounting portion 311 to limit the iris diaphragm 20.
Referring to fig. 5, in addition, the carrier 30 further includes a cover 33, and the cover 33 is detachably connected to the mounting portion 31. The iris diaphragm 20 is taken by opening the cover 33.
In the present embodiment, the connecting portion 32 and the inner barrel 10 are connected by screws.
The lens structure 100 provided in the present embodiment has at least the following advantages:
the iris diaphragm in the prior art is completely assembled in the lens structure, if the iris diaphragm is required to be replaced or adjusted, the lens structure is required to be removed to take out the iris diaphragm, the operation process is complex and complicated, meanwhile, the occupied space of the iris diaphragm in the lens structure is large, and the production cost is greatly increased. In order to solve the technical problem, when the lens structure 100 provided in this embodiment is used, the carrier 30 is connected with the iris diaphragm 20, the carrier 30 is detachably connected with the inner barrel 10, and when the iris diaphragm 20 needs to be adjusted or assembled or disassembled, the carrier 30 can be directly disassembled to adjust and disassemble the iris diaphragm 20, and a new iris diaphragm 20 is assembled or the carrier 30 is connected with the inner barrel 10 again after the iris diaphragm 20 is assembled. While the part of the carrier 30 is located outside the inner barrel 10 can save the internal space of the lens. The lens structure 100 can conveniently adjust the iris diaphragm 20, and can conveniently mount and dismount the iris diaphragm 20 while reducing the internal space of the lens.
The lens structure 100 can conveniently adjust the size of a lens diaphragm by adopting the externally inserted variable aperture 20.
The lens structure 100 realizes the externally-inserted setting of the iris diaphragm 20 through the bearing piece 30, so that the internal space of the lens can be reduced, the cost can be saved, the temperature distribution of the lens can be improved, and the risk of water mist of the lens can be reduced.
In summary, the present embodiment provides a lens structure 100 and a projector, wherein the lens structure 100 includes an inner barrel 10, a variable aperture 20 and a carrier 30, the variable aperture 20 is located inside the inner barrel 10, the carrier 30 is connected with the variable aperture 20, a portion of the carrier 30 is located outside the inner barrel 10, and the carrier 30 is detachably connected with the inner barrel 10. When the lens structure 100 is used, the carrier 30 is connected with the iris diaphragm 20, the carrier 30 is detachably connected with the inner lens barrel 10, and when the iris diaphragm 20 needs to be adjusted or assembled or disassembled, the carrier 30 can be directly disassembled to adjust or disassemble the iris diaphragm 20, and a new iris diaphragm 20 is assembled or the carrier 30 is connected with the inner lens barrel 10 again after the iris diaphragm 20 is adjusted. While the part of the carrier 30 is located outside the inner barrel 10 can save the internal space of the lens. The lens structure 100 can conveniently adjust the iris diaphragm 20, and can conveniently mount and dismount the iris diaphragm 20 while reducing the internal space of the lens.
The projector comprises a projection housing and a lens arrangement 100, the projection housing being connected to the lens arrangement 100. When the lens structure 100 is used, the carrier 30 is connected with the iris diaphragm 20, the carrier 30 is detachably connected with the inner lens barrel 10, and when the iris diaphragm 20 needs to be adjusted or assembled or disassembled, the carrier 30 can be directly disassembled to adjust or disassemble the iris diaphragm 20, and a new iris diaphragm 20 is assembled or the carrier 30 is connected with the inner lens barrel 10 again after the iris diaphragm 20 is adjusted. While the part of the carrier 30 is located outside the inner barrel 10 can save the internal space of the lens. The lens structure 100 can conveniently adjust the iris diaphragm 20, and can conveniently mount and dismount the iris diaphragm 20 while reducing the internal space of the lens.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. A lens structure, comprising:
an inner barrel (10);
an iris diaphragm (20), the iris diaphragm (20) being located inside the inner barrel (10); and
the bearing piece (30) is connected with the iris diaphragm (20), a part of the bearing piece (30) is positioned outside the inner lens barrel (10), and the bearing piece (30) is detachably connected with the inner lens barrel (10).
2. The lens structure according to claim 1, wherein the carrier (30) includes a mounting portion (31) and a connecting portion (32), the mounting portion (31) and the iris diaphragm (20) are connected, the connecting portion (32) is connected with the mounting portion (31), a portion of the mounting portion (31) is located outside the inner barrel (10), and the mounting portion (31) and the inner barrel (10) are detachably connected.
3. A lens structure according to claim 2, wherein a side wall of the inner barrel (10) is provided with a mounting surface (11), and the connecting portion (32) abuts against the mounting surface (11) and is detachably connected to the mounting surface (11).
4. The lens structure according to claim 2, wherein the lens structure (100) further comprises a driving member (40), the driving member (40) is connected to the carrier member (30), and the driving member (40) and the iris diaphragm (20) are disposed at a distance, and the driving member (40) is located outside the inner barrel (10).
5. Lens structure according to claim 4, characterized in that the driving member (40) is an electromagnet or a motor.
6. The lens structure according to claim 4, wherein the mount (31) includes a first mount (311) and a second mount (312), the connection portion (32) is located between the first mount (311) and the second mount (312) and connected to the first mount (311) and the second mount (312), the first mount (311) is located inside the inner barrel (10), the iris diaphragm (20) is mounted to the first mount (311), the second mount (312) is located outside the inner barrel (10), and the driving member (40) is mounted to the second mount (312).
7. The lens structure according to claim 1, wherein a plurality of stoppers (12) are provided inside the inner barrel (10), the plurality of stoppers (12) are provided at intervals along a circumferential direction of the inner barrel (10), and the stoppers (12) abut against the carrier (30) to limit the iris diaphragm (20).
8. A lens arrangement according to claim 2, characterized in that the carrier (30) further comprises a cover plate (33), the cover plate (33) and the mounting portion (31) being detachably connected.
9. The lens structure according to claim 2, wherein the connecting portion (32) and the inner barrel (10) are connected by a screw.
10. A projector comprising a projection housing and a lens arrangement (100) according to any of claims 1-9, the lens arrangement (100) being connected to the projection housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223234132.XU CN218938613U (en) | 2022-12-02 | 2022-12-02 | Lens structure and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223234132.XU CN218938613U (en) | 2022-12-02 | 2022-12-02 | Lens structure and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218938613U true CN218938613U (en) | 2023-04-28 |
Family
ID=86086576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223234132.XU Active CN218938613U (en) | 2022-12-02 | 2022-12-02 | Lens structure and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218938613U (en) |
-
2022
- 2022-12-02 CN CN202223234132.XU patent/CN218938613U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |